CN115478734A - connection mechanism - Google Patents

Abstract

The application provides a coupling mechanism, including intermediate member, first rotating member and second rotating member. The first rotating member includes a first rotating end portion and a first extending end portion. The second rotating member includes a second rotating end portion and a second extending end portion. The intermediate member includes a connection end portion connecting the first rotation end portion and the second rotation end portion. The first and second rotating members rotate about the intermediate member as a rotation center through the connecting end portion. The present application provides a connecting mechanism of an intermediate member, which can realize the connection of a first rotating member and a second rotating member with the intermediate member and the rotation around the intermediate member, respectively, thereby realizing the connection of two rotatable members through a simple structure. The connection mechanism that this application provided can be applied to in for example the concrete application scene of tent frame to make things convenient for the taking in and the release of tent frame, improved user's experience.

Description

connection mechanism

technical field

The present application relates to the mechanical field, in particular, to a connection mechanism.

Background technique

The connection mechanism is used to connect the parts in the device or system. The connection method using the connection mechanism is another connection method other than the direct connection of parts such as welding, riveting, and hinged joints.

In the manufacturing industry, in order to save the increase in process costs caused by the above-mentioned connection methods, it is usually chosen to purchase existing connection mechanisms on the market to realize the connection between parts. For example, among tent frame manufacturers, they often choose various connecting rods needed to manufacture tents by themselves, and purchase existing connecting mechanisms according to requirements, or mass-produce them by themselves. Instead of connecting the parts directly together as described above.

However, the connection mechanism in the prior art can only realize the connection of two or more parts with a specific posture and maintain this posture. For example: in the field of tent frames, some tent frames are assembled tent frames. The tent frame needs to be assembled before use, and needs to be disassembled for easy storage and transfer after use. For this reason, bring great inconvenience to the use of tent frame.

Contents of the invention

The purpose of the present application is to provide a connection mechanism, which can realize the connection of components together, and the connected components can also be rotated as required. When it is applied to a specific application scene of a tent frame, it can facilitate the storage and release of the tent frame, and improves user experience.

The present application provides a connection mechanism. The connection mechanism includes an intermediate part, a first rotating part and a second rotating part. The first rotating member includes a first rotating end and a first extending end. The second rotating member includes a second rotating end and a second extending end. The intermediate piece includes a connection end portion connecting the first and second rotation end portions. Wherein, the first rotating member and the second rotating member rotate with the middle member as a rotation center through the connecting end portion.

In the above connection mechanism, by providing a connection mechanism of the middle piece, it can realize the connection of the first rotating piece and the second rotating piece with the middle piece and the rotation around the middle piece respectively, thereby realizing a simple The structure connects two rotatable parts. The connection mechanism provided in the present application can be applied in a specific application scenario such as a tent frame to facilitate storage and release of the tent frame and improve user experience. Further, the first rotating member and the second rotating member are respectively rotatably connected with the intermediate member, and the outer part is connected with the first extension end of the first rotating member and the second extending end of the second rotating member, so that the The external parts are connected in rotation through the connecting mechanism.

Optionally, the intermediate piece further includes a connecting plate. The connecting end includes a first connecting end and a second connecting end located at two ends of the connecting plate. The first rotating end is rotatably connected to the first connecting end through a first rotating pin. The second rotating end is rotatably connected to the second connecting end through a second rotating pin. The first rotating member and the second rotating member have inner sides and outer sides located on both sides of the first rotating pin and on both sides of the second rotating pin, respectively. Both the first connection end and the second connection end are provided with a limit block, and the limit block has a first limit end surface and a second limit end surface. The first limiting end surface is used to abut against the outer side of the first extension end and/or the inner side of the first rotation end, and the outer side of the second extension end and/or the second rotation end. The inner sides of the two rotating ends restrict the rotation of the first rotating member and the second rotating member in a direction that increases the angle between them. The second limiting end surface is used to abut against the inner side of the first extension end and/or the outer side of the first rotation end, and the inner side of the second extension end and/or the second rotation end. The outer sides of the two rotating ends restrict the rotation of the first rotating member and the second rotating member in a direction that reduces the angle between them.

The above-mentioned connection mechanism realizes that the rotation angles of the first rotating member and the second rotating member are restricted within the required range by setting limit blocks at the first connecting end and the second connecting end, ensuring that the The stability of a device or system of connected mechanisms. In addition, the rotary pin is a simple rotary connection method, which not only simplifies the structure of the connection mechanism provided in the present application, facilitates production, processing and manufacture, but also improves the stability of the connection mechanism.

Optionally, wherein, the intermediate piece includes two connecting plates disposed opposite to each other. The connecting plates face each other with the sides connected with the first rotating part and the second rotating part, and are fastened to form the middle part.

The above connection mechanism, through the fastening of the two connecting plates, parts such as the first rotating member, the second rotating member, the first rotating pin, the second rotating pin and the limit block are all located between the two middle plates, preventing the second rotating member from The exposure of the first rotating end and the second rotating end, as well as the first rotating pin and the second rotating pin prevents the staff's hands from being pinched due to the exposure, and prevents the entry of foreign objects. At the same time, two identical connecting plates are fastened to form a connecting mechanism, which saves molds in the manufacturing process and reduces unnecessary mold opening processes.

Optionally, the connection plate defines a first slot between the first connection end and the second connection end, and the first slot is used for receiving the connecting rod. The end surfaces of the first rotating end portion and the second rotating end portion have a first protruding structure. When the first limiting end surface abuts the outer side of the first extension end and/or the inner side of the first rotation end, and the outer side of the second extension end and/or the second rotation the inner side of the end, and when the connecting rod is snapped into the first slot, the first protruding structures of the first rotating end and the second rotating end abut against the connecting rod at the same time, To limit the rotation of the first rotating member and the second rotating member in the direction of reducing the angle between them. The connecting plate is provided with a first anti-slip hook. One end of the anti-slip hook is a first hook part, and the other end is a first rotating connection part. The first rotating connection part is rotatably connected to the connecting plate, so that the first hook part can rotate around the first rotating connecting part in the plane where the connecting plate is located. When the connecting rod is engaged in the first slot, the first anti-slip hook is rotated so that the first hook part is hooked on the connecting rod, so as to prevent the connecting rod from slipping out of the first locking groove. Outside the second card slot.

The above-mentioned connection mechanism, when the first rotating member and the second rotating member rotate to the position where the angle between them is the largest, through the abutment of the connecting rod to its first protruding structure, and then through the first anti-slip hook to connect the connecting rod The limitation of the first rotating part and the second rotating part can be locked, which improves the stability of the connection mechanism in application. For example, when the connection mechanism is used as a movable joint of the tent frame, the stability of the tent frame is improved. . At the same time, it also simplifies its own structure and saves molds.

Optionally, the connecting plate is provided with a first anti-slip hook. One end of the anti-slip hook is a first hook part, and the other end is a first rotating connection part. The first rotating connection part is rotatably connected to the connecting plate, so that the first hook part can rotate around the first rotating connecting part in the plane where the connecting plate is located. When the connecting rod is engaged in the first slot, the first anti-slip hook is rotated so that the first hook part is hooked on the connecting rod, so as to prevent the connecting rod from slipping out of the first locking groove. One card slot away.

In the above connection mechanism, in the above implementation process, when the connecting rod is inserted into the first slot, the connecting rod is hooked by the first anti-slip hook to prevent the connecting rod from slipping out of the first slot. At the same time, the restriction of the connecting rod by the first anti-slip hook further ensures the stability of the connecting rod when it is inserted into the first slot. Furthermore, the stability of the first rotating member and the second rotating member in the restricted state is further improved, that is, the stability of the connection mechanism when it is applied, for example: when the connection mechanism is used as a movable joint of a tent frame, it further improves the stability of the tent. rack stability.

Optionally, when the first rotating member rotates around the first rotating pin and the second rotating member rotates around the second rotating pin. Projections of the first protrusion structures of the first rotating end and the second rotating end on the plane where the connecting plate is located are located within the connecting plate.

The above connection mechanism is designed such that the first protruding structure never protrudes outside the connecting plate, preventing the first protruding structure from being exposed outside the connecting plate and being damaged. Furthermore, it is avoided that the stability when the first rotating member and the second rotating member are locked is affected.

Optionally, wherein, the end surfaces of the first rotating end portion and the second rotating end portion have a second protrusion structure. The intermediate piece also includes a limiting piece slidably arranged between the first connection end and the second connection end. Both ends of the limiting member have limiting parts that can abut against the second protruding structure, and are configured to limit the The first rotating member and the second rotating member rotate in the direction of reducing the angle between them.

The above-mentioned connection mechanism, when an external part is connected and the part needs to be kept at a certain angle, through the abutment and cooperation between the limiting part and the second protruding structure, the adjustment between the first rotating part and the second rotating part is realized. The locking of the angle between them enables the device or system including the connection mechanism provided by the application to maintain a specific posture stably, thereby improving the stability of the device or system including the connection mechanism provided by the application.

Optionally, the connecting plate defines a second slot between the first connecting end and the second connecting end, and the second slot is used for receiving the connecting rod. When the connecting rod is engaged in the second slot, the connecting rod abuts against the middle portion of the limiting member, and makes the limiting member abut against the second protruding structure.

In the above connection mechanism, the first rotating member and the second rotating member are used for connecting external parts, and the second slot therein can also be used for connecting an external connecting rod. In addition, the external connecting rod is inserted into the second slot, and abuts against the middle part of the stopper, so that it abuts against the second protruding structure of the first rotating end and the second rotating end, so as to lock the first The rotation of the rotating member and the second rotating member improves the stability of the device or system including the connection mechanism provided by the present application. The locking of the first rotating member and the second rotating member does not need to be provided with other components, which not only ensures stability, but also simplifies its own structure.

Optionally, wherein, the limiting member includes a guide portion. The connecting plate is provided with a guide groove matched with the guide part. The guide groove is configured to: by guiding the guide part to slide along the guide groove, the abutment and avoidance of the limiting part to the second protruding structure are realized. An elastic piece is arranged between the guide groove and the guide portion, and two ends of the elastic piece are respectively connected to the end of the guide portion and the end of the guide groove. When the limiting portion abuts against the second protruding structure, the elastic member is in a compressed state. When the limiting portion avoids the second protruding structure, the elastic member is in a relaxed state.

The above connection mechanism, under the guidance of the guide groove, makes the limiter slide along the guide groove, avoids the limiter from sliding along an irregular route, and improves the reliability of the connection mechanism. At the same time, an elastic member is provided in the guide groove, and when the external part is inserted into the second slot, it abuts against the limiting member, and makes the limiting member slide to abut against the second rotating end portion and the second rotating end portion. In the raised configuration, the elastic member is compressed to a compressed state. When the connecting rod of the external part is moved out of the second slot, the limiting member automatically releases the locking of the first rotating member and the second rotating member under the action of the elastic member in the compressed state, which improves the convenience.

Optionally, a second anti-slip hook is provided on the side of the connecting plate that is not provided with the limiting member. One end of the second anti-slip hook is a second hook part, and the other end is a second rotating connection part. The second rotating connection part is rotatably connected to the connecting plate, so that the second hook part can rotate around the second rotating connecting part in the plane where the connecting plate is located. When the connecting rod is engaged in the second slot, the second anti-slip hook is rotated so that the second hook part is hooked on the connecting rod, so as to prevent the connecting rod from slipping out of the first Outside the second card slot.

In the above connection mechanism, when the connecting rod is engaged in the second slot, the connecting rod is hooked by the second anti-slip hook to prevent the connecting rod from slipping out of the second slot. At the same time, through the restriction of the connecting rod by the second anti-slip hook and the restriction of the limiting member by the connecting rod, the restriction of the rotation of the first rotating member and the second rotating member by the restricting member is finally realized. The stability of the first rotating member and the second rotating member in the restricted state is further improved.

Optionally, a first flange surrounding the connecting rod is provided at the part where the connecting rod is snapped into the second slot. The edge of the second card slot is provided with a second flange extending to the inside of the second card slot and matched with the first flange, and is configured to prevent the The connecting rod slides inside the second slot along its length direction.

The above connection mechanism, when the connecting rod of the external part is inserted into the second card slot, through the cooperation between its own first flange and the second flange of the connection mechanism, it avoids being stuck in the second card slot The sliding of the connecting rod in its length direction improves the stability of the connection between the external part and the connecting mechanism.

Optionally, wherein the connecting rod includes a first connecting rod and a second connecting rod, the first connecting rod and/or the second connecting rod have a concave edge at the end thereof, and the end of the first connecting rod It is detachably connected with the end of the second connecting rod. The concave edge is used to be inserted into the second slot. Both sides of the connecting plate are provided with first anti-slip and sinking platforms respectively surrounding two ends of the second card slot. And the opening of the end surface of the first anti-slip and sinking platform is smaller than the diameters of the ends of the first connecting rod and the second connecting rod.

When the concave edge of the connecting rod is inserted into the second slot, the side edges of the ends of the first connecting rod and the second connecting rod 230 are restricted by the end face of the first slipping and sinking platform to prevent the concave edge It will slip out of the second card slot. In addition, when the concave edge is engaged in the second card slot, the concave edge abuts against the bottom surface of the anti-slip sinking platform, avoiding the sliding of the connecting rod along its length direction, and improving the connection between external parts such as the connecting rod and the connecting mechanism. the stability of the connection.

Optionally, the intermediate piece includes a rotating connection shaft, and the connection end is arranged around the rotating connection shaft. The rotating connection shaft passes through the first rotating end portion and the second rotating end portion, so that the first rotating member and the second rotating member rotate around the rotating connecting shaft. A first limiting groove and a second limiting groove are respectively formed on the end surfaces of the first rotating end portion and the second rotating end portion, and the first limiting groove and the second limiting groove are used for receiving the connecting rod. When the first rotating member and the second rotating member are rotated until the first limiting groove coincides with the second limiting groove, the connecting rod is snapped into the first limiting groove and the second limiting groove inside to limit the rotation of the first rotating member and the second rotating member.

In the above connection mechanism, the first rotating member and the second rotating member are connected through a rotating connection shaft to realize their rotatable connection. At the same time, when the first rotating member and the second rotating member are rotated until the first limiting groove and the second limiting groove coincide, the connecting member is snapped into it, realizing the rotation control of the first rotating member and the second rotating member Locking improves the stability of the connection mechanism in this state.

Optionally, wherein, the first rotating end part includes a first connection part that is rotatably connected to the connecting end part, and the second rotating end part includes two second connecting parts that are rotatably connected to the connecting end part. department. The first connecting portion is embedded between the two second connecting portions. The rotary connection shaft runs through the first connection end and the second connection end. The first connection part has a first extension part extending along its plane, and the second connection part has two second extension parts extending along its respective plane. The first limiting groove is arranged on the first extension part, and the second extension part is arranged on the second extension part. When the first rotating end and the second rotating end are rotated until the first limiting groove coincides with the second limiting groove, the first extension part is embedded in the two second extension parts between.

For the above connection mechanism, since the first rotating member and the second rotating member have a certain thickness, if the rotating connection shaft simply passes through the first rotating member and the second rotating member to realize the rotational connection, the thickness of the connecting mechanism will be increased. , thereby increasing the space occupancy rate of the connecting mechanism. In the above embodiment, the first connecting part is inserted between the two second connecting parts, and the first rotating member and the second rotating member are connected correspondingly, so that the overall thickness of the connecting mechanism is reduced, thereby reducing the weight of the connecting mechanism. space occupancy.

Optionally, wherein the connecting rod includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod have concave flanges at their respective ends, and the ends of the first connecting rod are connected to The end of the second connecting rod is detachably connected; the recessed edges of the first connecting rod and the second connecting rod are used for snapping into the first limiting groove and the second limiting groove; and the recessed edges of the The diameter is smaller than the diameter of the end of the first connecting rod and the second connecting rod; the two second extension parts are provided with a second anti-slip recessed toward each other on the side facing away from the first connecting part An anti-sinking platform; the second anti-slip and anti-sinking platform is arranged along the edge of the second limiting groove; and the opening of the end surface of the second anti-slip and anti-sinking platform is smaller than the ends of the first connecting rod and the second connecting rod diameter of.

In the above connection mechanism, when the concave edge of the connecting rod is engaged in the first limiting groove and the second limiting groove, the side edges of the first connecting rod and the second connecting rod end of the second anti-slip and sinking platform will sink when slipping. Under the limitation of the end surface of the table, it is avoided that the concave edge will not slip out of the first limiting groove and the second limiting groove. At the same time, since the diameter of the concave edge is smaller than the diameter of the ends of the first connecting rod and the second connecting rod, when the concave edge snaps into the first limiting groove and the second limiting groove, it prevents the connection rod from extending along its length. The sliding movement improves the stability of the connection between the external parts and the connecting mechanism.

Optionally, the connection mechanism provided by the present application is configured to constitute a door frame in a tent frame; wherein, the intermediate piece in the connection mechanism constitutes an end connection part in the door frame, and the first rotating member and The second rotating members respectively constitute supports for supporting the end connecting parts.

When the above connection mechanism is configured as a door frame in a tent frame, the first rotating part and the second rotating part are rotatably connected to the middle part through the connecting mechanism, so that the door frame can be accommodated and expanded. When the door frame When in the unfolded state, the rotation of the first rotating member and the second rotating member is restricted by the limiting member or the limiting groove in the connecting mechanism, which improves the stability of the mast in the unfolded state.

Preferably, the door frame includes a first door frame and a second door frame. The connecting mechanism is also used to realize the connection between the first door frame and the second door frame through connecting rods.

The above-mentioned connection mechanism realizes connecting the first door frame and the second door frame to form a tent through the overlapped first limit groove and second limit groove, or the second card groove receiving the connecting rod in the connection mechanism. frame or part of a tent frame. At the same time, the rotation of the first rotating part and the second rotating part constituting the gantry support rod is locked by the connecting rod being snapped into the overlapped first and second limiting grooves, or in the second engaging groove. , to ensure the stability of the door frame in the unfolded state, that is, to improve the stability of the tent frame. By "one rod with two functions", it is avoided that the connecting rod is needed when the connecting mechanism is locked, and the connecting rod is also required for connecting the first door frame and the second door frame of the tent frame.

In the connection mechanism provided by the application, the first rotating member and the second rotating member that can be connected to external parts such as tent frame support rods and connecting rods can be rotatably connected to the middle part. When the external parts are connected to the first rotating member and the second rotating member When the two rotating parts are used, the rotatable connection between the external parts is realized. At the same time, the connecting mechanism realizes the connection of parts except the parts connected to the first rotating part and the second rotating part through the way that the connecting bar of the external part is embedded in it, and the first rotating part is locked by this snap-fitting method. The rotation of the rotating member and the second rotating member keeps the required angle between the first rotating member and the second rotating member, thereby improving the stability of the connection mechanism in this state, which can be said to kill two birds with one stone. Especially when the connection mechanism provided by the present application is used for a tent frame, the door frame of the tent frame can be accommodated, and at the same time, the stability of the tent frame in an unfolded state is ensured.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, so It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of the first structure of the first connection mechanism provided by the embodiment of the present application;

FIG. 2 is a schematic diagram of the first structure of the second connection mechanism provided by the embodiment of the present application;

Fig. 3 is a schematic structural diagram of the connecting plate in the second connecting mechanism provided by the embodiment of the present application;

Fig. 4 is a perspective view of the second connection mechanism provided in the embodiment of the present application when it is combined with the external structure;

FIG. 5 is a schematic diagram of the second structure of the first connection mechanism provided by the embodiment of the present application;

Fig. 6 is a schematic diagram of the third structure of the first connection mechanism provided by the embodiment of the present application;

Fig. 7 is a schematic diagram of the fourth structure of the first connection mechanism provided by the embodiment of the present application;

Fig. 8 is a first perspective view of the first connection mechanism provided in the embodiment of the present application when it is combined with the external structure;

Fig. 9 is a second perspective view of the combination of the first connection mechanism and the external structure provided by the embodiment of the present application;

Fig. 10 is a top view of the first connection mechanism provided in the embodiment of the present application when it is combined with the external structure;

FIG. 11 is a schematic structural diagram of a third connection mechanism provided by the embodiment of the present application;

Fig. 12 is a schematic structural diagram of the connection plate in the third connection mechanism provided by the embodiment of the present application;

Fig. 13 is a perspective view of the third connection mechanism provided in the embodiment of the present application when it is combined with the external structure;

Fig. 14 is a schematic diagram of the first structure of the fourth connection mechanism provided by the embodiment of the present application;

Fig. 15 is a schematic diagram of the second structure of the fourth connection mechanism provided by the embodiment of the present application;

Fig. 16 is a schematic structural diagram of a fifth connection mechanism provided by the embodiment of the present application;

Fig. 17 is a schematic structural diagram of the connecting rod provided by the embodiment of the present application;

Fig. 18 is a schematic structural diagram of a tent frame provided by an embodiment of the present application.

Icons: 100, connecting mechanism; 110, middleware; 111, connecting end; 112, connecting plate; 1121, first connecting end; 1122, second connecting end; 113, rotating connecting shaft; 120, first rotating 121, the first rotating end portion; 1211, the first connecting portion; 1212, the first extension portion; 122, the first extending end portion; 123, the first rotating pin; 130, the second rotating member; 131, the second Rotation end; 1311, second connection portion; 1312, second extension; 132, second extension end; 133, second rotation pin; 140, limit block; 141, first limit end surface; 142, second Two limiting end faces; 151, the inner side; 152, the outer side; 161, the first raised structure; 162, the first card slot; 163, the first anti-slip hook; 1631, the first hook part; 1632, the second 1. Rotary connection part; 171. Limiting part; 172. Second protruding structure; 173. Guide part; 174. Guide groove; 175. Elastic part; 176. Second card slot; 177. Second flange; The second anti-slip hook; 1781, the second hook part; 1782, the second rotating connection part; 179, the first anti-slip sinking platform; 181, the first limiting groove; 182, the second limiting groove; 183, the second 200, connecting rod; 210, first flange; 220, first connecting rod; 230, second connecting rod; 240, concave edge; 300, tent frame; 310, support rod; 320, first door frame; 330, the second door frame.

detailed description

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the application. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that a component is absolutely level or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of this application, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

Please refer to FIG. 1 , which is a schematic diagram of a first structure of a connection mechanism 100 provided in an embodiment of the present application. It includes a middle piece 110 , a first rotatable piece 120 and a second rotatable piece 130 . The first rotating member 120 includes a first rotating end portion 121 and a first extending end portion 122 . The second rotating member 130 includes a second rotating end portion 131 and a second extending end portion 132 . The middle piece 110 includes a connection end portion 111 , and the connection end portion 111 connects the first rotation end portion 121 and the second rotation end portion 131 . Wherein, the first rotating member 120 and the second rotating member 130 rotate around the intermediate member 110 through the connecting end portion 111 .

Two ends of the first rotating member 120 relative to its rotating shaft, one end is the first rotating end portion 121 , and the other end is the first extending end portion 122 . Two ends of the second rotating member 130 relative to its rotating shaft, one end is the second rotating end portion 131 , and the other end is the second extending end portion 132 . The first extension end 122 and the second extension end 132 are used to connect with external parts such as tent frame support rods, and their lengths can be set by those skilled in the art according to actual needs, which is not specifically limited in the embodiment of the present application.

In the above implementation process, by providing a connection mechanism 100 of the middle piece 110, it realizes the connection of the first rotating piece 120 and the second rotating piece 130 to the middle piece 110 and the rotation around the middle piece, thereby realizing Two rotatable parts are connected by a simple structure. The connection mechanism 100 provided in the present application can be applied in a specific application scenario such as a tent frame, so as to facilitate storage and release of the tent frame and improve user experience. Further, the first rotating member 120 and the second rotating member 130 are respectively rotatably connected with the middle member 110, and external parts such as tent frame support rods are connected with the first extension end 122 of the first rotating member 120 and the second rotating member 130. The connection of the second extension end portion 132 realizes the rotational connection of the external part through the connection mechanism 100 .

For a possible implementation manner, please refer to FIG. 2 , which is a schematic diagram of a first structure of a second connection mechanism 100 provided in an embodiment of the present application. Wherein, the middle piece 110 further includes a connecting plate 112 . The connecting end portion 111 includes a first connecting end portion 1121 and a second connecting end portion 1122 located at two ends of the connecting plate 112 . The first rotating end portion 121 is rotatably connected to the first connecting end portion 1121 through a first rotating pin 123 . The second rotating end portion 131 is rotatably connected to the second connecting end portion 1122 through a second rotating pin 133 . The first rotating member 120 and the second rotating member 130 have an inner side 151 and an outer side 152 located on two sides of the first rotating pin 123 and two sides of the second rotating pin 133 respectively. Both the first connection end portion 1121 and the second connection end portion 1122 are provided with a limiting block 140 , and the limiting block 140 has a first limiting end surface 141 and a second limiting end surface 142 . The first limiting end surface 141 is used to abut against the outer side 152 of the first extension end 122 and/or the inner side 151 of the first rotating end 121 , and the outer side 152 and the second extension end 132 . /or the inner edge 151 of the second rotating end portion 131 restricts the rotation of the first rotating member 120 and the second rotating member 130 in a direction that increases the angle between them. The second limiting end surface 142 is used to abut against the inner side 151 of the first extension end 122 and/or the outer side 152 of the first rotating end 121 , and the inner side 151 and the second extension end 132 . /or the outer edge 152 of the second rotating end portion 131 restricts the rotation of the first rotating member 120 and the second rotating member 130 in a direction that reduces the angle between them.

Among the sides in the length direction of the first rotating member 120 and the second rotating member 130 , the inner side 151 and the outer side 152 are respectively distributed on both sides of the rotation axis. When the included angle between the first rotating member 120 and the second rotating member decreases, the rotating direction is toward the side where the inner edge 151 is located. When the included angle between the first rotating member 120 and the second rotating member increases, its rotating direction is toward the side where the outer edge 152 is located.

Therefore, the first limiting end surface 141 of the limiting block 140 abuts against the outer edge 152 of the first extension end portion 122 and/or the inner edge 151 of the first rotating end portion 121 to limit its direction toward the first rotating member. Outer side 152 of 120 rotates. The first limiting end surface 141 of the limiting block 140 abuts against the outer edge 152 of the second extension end portion 132 and/or the inner edge 151 of the second rotating end portion 131 to limit its movement toward the second rotating member 130 . Outer side 152 rotates. Furthermore, the first rotating member 120 and the second rotating member 130 are restricted from rotating in a direction that increases the angle between them.

At the same time, the second limiting end surface 142 of the limiting block 140 abuts against the inner side 151 of the first extension end 122 and/or the outer side 152 of the first rotating end 121, so as to limit its direction toward the first rotating member. The inner side 151 of 120 rotates. The first limiting end surface 141 of the limiting block 140 abuts against the inner side 151 of the second extension end 132 and/or the outer side 152 of the second rotating end 131 to limit its movement toward the second rotating member 130 . The inner edge 151 rotates. Further, the rotation of the first rotating member 120 and the second rotating member 130 in a direction that reduces the angle between them is restricted.

Therefore, for the specific positions of the first limiting end surface 141 and the second limiting end surface 142 of the limiting block 140 on the connecting plate 112, those skilled in the art can combine the first rotating member 120 and the second rotating member 120 according to the actual needs according to the above principles and in combination with actual needs. The maximum included angle and the minimum included angle between the two rotating parts 130 are set by themselves. The embodiments of the present application do not specifically limit this.

The above-mentioned connection mechanism 100 realizes limiting the rotation angles of the first rotating member 120 and the second rotating member 130 within the required range by setting the limit blocks 140 at the first connecting end 1121 and the second connecting end 1122 , ensuring the stability of the device or system installed with the connection mechanism 100 .

An optional implementation manner, please refer to FIG. 1 and FIG. 2 , the middle piece 110 includes two connecting plates 112 disposed opposite to each other. The connecting plate 112 has a side connected with the first rotating member 120 and the second rotating member 130 facing each other and fastened to form the middle member 110 .

In the above implementation process, through the fastening of the two connecting plates 112, the first rotating member 120, the second rotating member 130, the first rotating pin 123, the second rotating pin 133 and the limiting block 140 are all located on the two Between the middle plates, avoiding the exposure of the first rotating end portion and the second rotating end portion 131, as well as the first rotating pin 123 and the second rotating pin 133, preventing the worker’s hands from being pinched due to the exposure, and preventing Entry of foreign matter. At the same time, two identical connecting plates 112 are fastened to form the connecting mechanism 100 , which saves molds in the manufacturing process.

An optional implementation mode, please refer to FIG. 3 and FIG. 4 in conjunction with FIG. 2. FIG. 3 is a schematic structural diagram of the connecting plate in the second connection mechanism 100 provided by the embodiment of the present application; FIG. 4 is provided by the embodiment of the present application A perspective view of the second connection mechanism 100 combined with an external structure. Wherein, the connecting plate 112 defines a first engaging slot 162 between the first connecting end and the second connecting end, and the first engaging slot 162 is used for receiving the connecting rod 200 . The end surfaces of the first rotating end portion 121 and the second rotating end portion 131 have a first protruding structure 161 . When the first limiting end surface 141 abuts against the outer side of the first extension end 122 and/or the inner side 151 of the first rotating end 121 , and the outer side 152 of the second extension end 132 and/or the second When the inner sides 151 of the two rotating ends 131 and the connecting rod 200 are engaged in the first engaging groove 162, the first protruding structures 161 of the first rotating end 121 and the second rotating end 131 simultaneously engage with the connecting rod. 200 to abut against each other to limit the rotation of the first rotating member 120 and the second rotating member 130 in a direction that reduces the angle between them.

In other words, when the included angle between the first rotating member 123 and the second rotating member 133 is the largest, the first protruding structures 161 of the first rotating end portion 121 and the second rotating end portion 131 abut against the connecting rod 200 at the same time.

When the two first protruding structures 161 abut against the connecting rod 200 at the same time, there may be a gap between the projections of the two first protruding structures 161 on the plane where the connecting plate 112 is located, or they may be just in contact, or they may be : There is overlap between two projections. It should be noted that the case where there is an overlapping portion between the two projections refers to the intersection of the two first protrusion structures 161 as shown in FIG. 2 .

During manufacturing, whether the above two projections are separated, tangent or intersecting, the first rotating member 120 and the second rotating member 130 can have exactly the same mechanism and shape. Therefore, the first rotating member 120 and the second rotating member 130 can be manufactured using the same set of molds.

In the above implementation process, when the first rotating member 120 and the second rotating member 130 rotate to the position where the angle between them is the largest, through the abutment of the connecting rod 200 on its first protruding structure 161, and then through the first anti-skid The restriction of the hook 163 on the connecting rod 200 can realize the locking of the first rotating member 120 and the second rotating member 130, which improves the stability of the connecting mechanism 100 in application, for example: when the connecting mechanism 100 is used as a tent frame The active joints improve the stability of the tent frame. At the same time, it also simplifies its own structure and saves molds.

For an optional implementation manner, please continue to refer to FIG. 3 and FIG. 4 in conjunction with FIG. 2 . Wherein, the connecting plate 112 is provided with a first anti-slip hook 163 . One end of the first anti-slip hook 163 is a first hook portion 1631 , and the other end is a first rotating connection portion 1632 . The first rotating connection portion 1632 is rotatably connected to the connecting plate 112 , so that the first hook portion 1631 can rotate around the first rotating connecting portion 1632 within the plane of the connecting plate 112 . When the connecting rod 200 is inserted into the first slot 162 , the first anti-slip hook 163 is rotated so that the first hook portion 1631 hooks the connecting rod 200 to prevent the connecting rod 200 from slipping out of the first slot 162 .

When the connecting rod 200 and other external parts are engaged in the first card slot 162, rotate the first anti-slip hook 163 to the first hook part 1631 to hook the connecting rod 200, so as to prevent the connecting rod 200 from slipping out of the first card slot 162 outside. And when it is necessary to disassemble the connecting rod 200 from the connecting mechanism 100, rotate the first anti-slip hook 163 to the position where the connection between the first hook part 1631 and the connecting rod 200 is released, and the connecting rod 200 can be removed from the connecting rod 200. The connecting mechanism 100 is disassembled.

During the above implementation process, when the connecting rod 200 is inserted into the first slot 162 , the connecting rod 200 is hooked by the first anti-slip hook 163 , preventing the connecting rod 200 from slipping out of the first slot 162 . At the same time, the restriction of the connecting rod 200 by the first anti-slip hook 163 further ensures the stability when the connecting rod 200 is inserted into the first slot 162 . Furthermore, the stability of the first rotating member 120 and the second rotating member 130 in the restricted state is further improved, that is, the stability of the connection mechanism 100 in application, for example: when the connection mechanism 100 is used as a movable joint for a tent frame, Further improved the stability of the tent frame.

An optional implementation mode, please refer to FIG. 5 to FIG. 7 in conjunction with FIG. 1. FIG. 5 is a schematic diagram of the second structure of the first connection mechanism 100 provided in the embodiment of the present application; FIG. Figure 7 is a schematic diagram of a fourth structure of the first connection mechanism 100 provided in the embodiment of the present application. Wherein, when the first rotating member 120 rotates around the first rotating pin 123 and the second rotating member 130 rotates around the second rotating pin 133 . Projections of the first protruding structures 161 of the first rotating end portion 121 and the second rotating end portion 131 on the plane where the connecting plate 112 is located are located within the connecting plate 112 .

No matter what position the first rotating member 120 and the second rotating member 130 rotate to, their respective first protruding structures 161 will not protrude from the connecting plate 112 .

In the above implementation process, the first protruding structure 161 is never protruded from the connecting plate 112 through design, so that the first protruding structure 161 is prevented from being exposed outside the connecting plate 112 and being damaged. Furthermore, the stability when the first rotating member 120 and the second rotating member 130 are locked is prevented from being affected.

For an optional implementation manner, please continue to refer to FIG. 5 to FIG. 7 in conjunction with FIG. 1 . Wherein, the end surfaces of the first rotating end portion 121 and the second rotating end portion 131 have a second protruding structure 172 . The intermediate piece 110 further includes a limiting member 1171 slidably disposed between the first connecting end portion 1121 and the second connecting end portion 1122 . Both ends of the limiting member 1171 have limiting parts that can abut against the second protruding structure 172, and are configured to limit the first rotating member 120 and the second protruding structure 172 through the abutting of the limiting part and the second protruding structure 172. The two rotating members 130 rotate in the direction of reducing the angle between them.

When the first rotatable member 120 and the second rotatable member 130 are rotated to the maximum or minimum angle between them, and this state needs to be locked, slide the limiting member 1171 to its two ends and the second protruding structure 172 contact to limit the rotation of the first rotating member 120 and the second rotating member 130 . Fig. 9 shows that when the first rotating member 120 and the second rotating member 130 are rotated to the maximum angle therebetween, the specific structure and positional relationship of the second protruding structure 172, and the relationship between the limiting member 1171 and the figure. It abuts to keep it at the maximum angle. Those skilled in the art can make adaptive adjustments based on the embodiments of the present application, so as to achieve a state where the included angle between the first rotating member 120 and the second rotating member 130 is kept at a minimum.

The above-mentioned connection mechanism 100, when an external component is connected and the component needs to be kept at a certain angle, through the abutment and cooperation between the stopper 1171 and the second protruding structure 172, the first rotating member 120 and the second protrusion are realized. The locking of the included angle between the two rotating parts 130 enables the device or system including the connection mechanism 100 provided by the present application to maintain a specific posture stably, thereby improving its stability.

An optional implementation mode, please refer to Figures 8 to 10 in conjunction with Figures 5 to 7, Figure 8 is a first perspective view of the first connection mechanism 100 provided in the embodiment of the present application when it is combined with an external structure; Figure 9 is The second perspective view of the first connection mechanism 100 provided in the embodiment of the present application when it is combined with the external structure; FIG. 10 is a top view of the first connection mechanism 100 provided in the embodiment of the present application when it is combined with the external structure. Wherein, the connecting plate 112 defines a second engaging slot 176 located between the first connecting end portion 1121 and the second connecting end portion 1122 , and the second engaging slot 176 is used for receiving the connecting rod 200 . When the connecting rod 200 is engaged in the second slot 176 , the connecting rod 200 abuts against the middle of the limiting member 1171 , and makes the limiting member 1171 abut against the second protruding structure 172 .

Exemplarily, the first extension end portion 122 and the second extension end portion 132 are respectively connected with a support rod 310 to form a door frame, and the connecting rod 200 is connected to the connection mechanism 100 in each door frame through the second slot 176 to form a door frame. Frames, such as: foldable tent frame 300, foldable stacking frame, etc.

The connecting rod 200 is connected to the connecting mechanism 100 through the second card slot 176. On the one hand, it is to connect multiple connecting mechanisms 100 together; 1171 abuts against the second protruding structure 172 .

In the above implementation process, the first rotating member 120 and the second rotating member 130 are not only used for connecting external parts, but the second slot 176 therein can also be used for connecting the external connecting rod 200 . In addition, the external connecting rod 200 is inserted into the second slot 176 and abuts against the middle part of the stopper 1171 so that it abuts against the second protrusion structure 172 of the first rotating end 121 and the second rotating end 131 , so as to improve the stability of the device or system including the connection mechanism 100 provided in the present application by locking the rotation of the first rotating member 120 and the second rotating member 130 . The locking of the first rotating member 120 and the second rotating member 130 is achieved without setting other components, which not only ensures stability, but also simplifies its own structure.

For an optional implementation manner, please continue to refer to FIG. 5 to FIG. 10 . Wherein, the limiting member 1171 includes a guide portion 173 . The connecting plate 112 is provided with a guiding groove 174 matching with the guiding portion 173 . The guide groove 174 is configured to: by guiding the guide part 173 to slide along the guide groove 174 , the abutment and avoidance of the limiting part to the second protruding structure 172 are realized. An elastic member 165 is disposed between the guide groove 174 and the guide portion 173 , and two ends of the elastic member 165 are respectively connected to an end of the guide portion 173 and an end of the guide groove 174 . When the limiting portion abuts against the second protruding structure 172 , the elastic member 165 is in a compressed state. When the limiting part avoids the second protruding structure 172, the elastic member 165 is in a relaxed state.

The number of guide grooves 174 can be one, which can correspond to the middle position of the limiting member 1171; it can also be two, corresponding to the positions on both sides of the middle of the limiting member 1171; it can also be three, four... guiding The number and positions of the portions 173 can also be correspondingly set according to the number and positions of the guide grooves 174 . This application does not specifically limit this.

The elastic member 165 disposed in the guide groove 174 is used to restore the limiting member 1171 to a position avoiding the second protruding structure 172 so that the first rotating member 120 and the second rotating member 130 can rotate. Therefore, when the limiting member 1171 slides to abut against the second protruding structure 172 of the first rotating end portion 121 and the second rotating end portion 131 , external parts such as the connecting rod 200 are engaged in the second engaging groove 176 , and The elastic member 165 is compressed to a compressed state by abutting against the limiting member 1171 . When the connecting rod 200 is moved out of the second slot 176, the elastic member 165 returns to the relaxed state under the action of its own elasticity, and pushes the limiting member 1171 to avoid the first rotating end 121 and the second rotating end The position of the second protruding structure 172 of 131.

In addition, the quantity of the elastic member 165 does not necessarily correspond to the quantity of the guide groove 174. For example, when three guide grooves 174 are provided, the elastic member 165 can be arranged in one of the guide grooves 174, or can be guided in two of them. The elastic piece 165 is arranged in the groove 174 , and the elastic piece 165 can also be arranged in all three guide grooves 174 . Those skilled in the art can set it according to actual needs, which is not specifically limited in the embodiment of the present application.

In the above implementation process, under the guidance of the guide groove 174 , the limiting member 1171 slides along the guiding groove 174 , which prevents the limiting member 1171 from sliding along an irregular route and improves the reliability of the connection mechanism 100 . At the same time, an elastic member 165 is provided in the guide groove 174. When the external parts such as the connecting rod 200 are inserted into the second slot 176, the stopper 1171 abuts against the stopper 1171, and the stopper 1171 slides to abut against the first rotating end. 121 and the second protruding structure 172 of the second end portion 131, the elastic member 165 is compressed to a compressed state. When external parts such as the connecting rod 200 are removed from the second slot 176, the stopper 1171 will automatically unlock the first rotating member 120 and the second rotating member 130 under the action of the elastic member 165 in the compressed state. , improving convenience.

For an optional implementation manner, please continue to refer to FIG. 5 to FIG. 10 . Wherein, a second anti-slip hook 178 is provided on the side of the connecting plate 112 that is not provided with the limiting member 1171 . One end of the second anti-slip hook 178 is a second hook portion 1781 , and the other end is a second rotating connection portion 1782 . The second rotating connection part 1782 is rotatably connected to the connecting plate 112 , so that the second hook part 1781 can rotate around the second rotating connecting part 1782 within the plane of the connecting plate 112 . When the connecting rod 200 is inserted into the second slot 176 , the second anti-slip hook 178 is rotated so that the second hook portion 1781 hooks the connecting rod 200 to prevent the connecting rod 200 from slipping out of the second slot 176 .

When external parts such as the connecting rod 200 are engaged in the second slot 176, rotate the second anti-slip hook 178 to the second hook part 1781 to hook the connecting rod 200 to prevent the connecting rod 200 from slipping out of the second slot 176 outside. And when it is necessary to disassemble the connecting rod 200 from the connecting mechanism 100, rotate the second anti-slip hook 178 to the position where the hooking between the second hook part 1781 and the connecting rod 200 is released, and the connecting rod 200 can be removed from the connection. The mechanism 100 is disassembled.

During the above implementation process, when the connecting rod 200 is inserted into the second locking groove 176 , the connecting rod 200 is hooked by the second anti-slip hook 178 to prevent the connecting rod 200 from slipping out of the second locking groove 176 . At the same time, through the restriction of the connecting rod 200 by the second anti-slip hook 178 and the restriction of the limiting member 1171 by the connecting rod 200 , the limiting member 1171 finally realizes the restriction of the rotation of the first rotating member 120 and the second rotating member 130 . The stability of the first rotating member 120 and the second rotating member 130 in the restricted state is further improved.

For an optional implementation manner, please continue to refer to FIG. 5 to FIG. 10 . Wherein, a first flange 210 surrounding the connecting rod 200 is provided on the part where the connecting rod 200 is inserted into the second slot 176 . The edge of the second card slot 176 is provided with a second flange 177 extending to the inside of the second card slot 176 and matched with the first flange 210, and is configured to prevent the connecting rod 200 from The second locking slot 176 slides inside along its length direction.

When the first flanges 210 are located at both ends of the connecting rods 200, and the connecting rods 200 are connected in series and inserted into the second slot 176, the first flanges 210 of the connecting rods 200 may be planes. Butting can also be plugging. When the first flanges 210 of the connecting rods 200 are in plane contact, two second anti-slip hooks 178 are provided on the connecting mechanism 100 to hook the ends of the two connecting rods 200 respectively. When the first flanges 210 of the connecting rods 200 are plugged in, it is only necessary to set a second anti-slip hook 178 on the connecting mechanism 100 at this time, and the end of one of the connecting rods 200 can be hooked to place it. slide out of the second card slot 176 .

In the above implementation process, when external parts such as the connecting rod 200 are snapped into the second slot 176, through the cooperation between the first flange 210 of itself and the second flange 177 of the connecting mechanism 100, the jamming is avoided. The sliding of the connecting rod 200 embedded in the second locking groove 176 along its length direction improves the stability of the connection between the connecting rod 200 and other external parts and the connecting mechanism 100 .

For an optional implementation manner, please refer to FIG. 11 to FIG. 13 . Fig. 11 is a schematic structural diagram of the third connection mechanism 100 provided by the embodiment of the present application; Fig. 12 is a schematic structural diagram of the connecting plate in the third connection mechanism 100 provided by the embodiment of the present application; Fig. 13 is a third connection mechanism 100 provided by the embodiment of the present application A perspective view of the connecting mechanism 100 combined with an external structure. Wherein, the connecting rod includes a first connecting rod and a second connecting rod, the first connecting rod and/or the second connecting rod has a concave edge at its end, and the end of the first connecting rod is detachably connected to the end of the second connecting rod . The concave edge is used for engaging in the second engaging slot 176 . Both sides of the connecting plate are provided with first anti-slip platforms 179 respectively surrounding two ends of the second card slot 176 . And the opening of the end surface of the first anti-slip and sinking platform 179 is smaller than the diameters of the ends of the first connecting rod and the second connecting rod.

In the above implementation process, when the concave edge of the connecting rod 200 is engaged in the second engaging groove 176, the side edges of the ends of the first connecting rod 220 and the second connecting rod 230 are restricted by the end face of the first slipping and sinking platform to avoid This ensures that the concave edge will not slip out of the second locking groove 176. In addition, when the concave edge is inserted into the second slot 176, the bottom surface of the anti-skid and sinking platform is abutted by the concave edge, which avoids the sliding of the connecting rod 200 along its length direction, and improves the external parts such as the connecting rod 200. The stability of the connection with the connection mechanism 100.

Please refer to Figures 8-10, Figure 8 is a first structural schematic diagram of another connection mechanism 100 provided by the embodiment of the present application; Figure 9 is a second structural schematic diagram of another connection mechanism 100 provided by the embodiment of the present application ; FIG. 10 is a schematic structural diagram of the connecting rod 200 provided by the embodiment of the present application. In an optional implementation manner, the intermediate piece 110 includes a rotating connection shaft 113 , and the connection end 111 is arranged around the rotating connection shaft 113 . The rotation connecting shaft 113 runs through the first rotating end portion 121 and the second rotating end portion 131 , so that the first rotating member 120 and the second rotating member 130 rotate around the rotating connecting shaft 113 . The end faces of the first rotating end portion 121 and the second rotating end portion 131 are respectively provided with a first limiting groove 181 and a second limiting groove 182, and the first limiting groove 181 and the second limiting groove 182 are used for receiving and connecting Rod 200. When the first rotating member 120 and the second rotating member 130 rotate until the first limiting groove 181 coincides with the second limiting groove 182 , the connecting rod 200 is snapped into the first limiting groove 181 and the second limiting groove 182 , so as to limit the rotation of the first rotating member 120 and the second rotating member 130 .

When the above-mentioned first rotating member 120 and second rotating member 130 are rotated to the position where the first limiting groove 181 and the second limiting groove 182 overlap, external parts such as the connecting rod 200 are snapped into the first limiting groove 181 and the second limiting groove 181. In the second limit slot 182. At this time, the rotation between the first rotating member 120 and the second rotating member 130 is locked, so that they maintain the current included angle. Therefore, those skilled in the art can determine the angle between the first limiting groove 181 and the second limiting groove 182 according to the angle between the first rotating member 120 and the second rotating member 130 that needs to be maintained in actual manufacturing requirements. Location. The embodiments of the present application do not specifically limit this.

In the above implementation process, the first rotating member 120 and the second rotating member 130 are connected through the rotating connection shaft 113 to realize their rotatable connection. At the same time, when the first rotating member 120 and the second rotating member 130 are rotated until the first limiting groove 181 and the second limiting groove 182 coincide, the connecting member 200 is inserted therein, realizing the connection between the first rotating member 120 and the second rotating member 130. The locking of the rotation of the second rotating member 130 improves the stability of the connection mechanism 100 in this state.

An optional implementation, please refer to Figure 14 to Figure 17, Figure 14 is a schematic diagram of the first structure of the fourth connection mechanism 100 provided by the embodiment of the present application; Figure 15 is a fourth connection mechanism 100 provided by the embodiment of the present application The second structural schematic diagram of the connecting mechanism 100; FIG. 16 is a structural schematic diagram of the fifth connecting mechanism 100 provided by the embodiment of the present application;

FIG. 17 is a schematic structural diagram of an adapter provided in an embodiment of the present application. Wherein, the first rotating end portion 121 includes a first connecting portion 1211 that is rotatably connected to the connecting end portion 111 , and the second rotating end portion 131 includes two second connecting portions 1311 that are rotatably connected to the connecting end portion 111 . The first connecting portion 1211 is embedded between the two second connecting portions 1311 . The rotation connecting shaft 113 passes through the first connecting end portion 1121 and the second connecting end portion 1122 . The first connection part 1211 has a first extension part 1212 extending along its plane, and the second connection part 1311 has two second extension parts 1312 extending along its respective plane. The first limiting slot 181 is disposed on the first extension portion 1212 , and the second extension portion 1312 is disposed on the second extension portion 1312 . When the first rotating end portion 121 and the second rotating end portion 131 are rotated until the first limiting groove 181 coincides with the second limiting groove 182 , the first extending portion 1212 is embedded between the two second extending portions 1312 .

In the above implementation process, since the first rotating member 120 and the second rotating member 130 have a certain thickness, if the rotating connection shaft 113 simply passes through the first rotating member 120 and the second rotating member 130 to realize the rotational connection, then The thickness of the connection mechanism 100 will be increased, thereby increasing the space occupancy rate of the connection mechanism 100 . However, in the above-mentioned embodiment, the first connecting part 1211 is embedded between the two second connecting parts 1311, and connects the first rotating part 120 and the second rotating part 130 respectively, so that the overall thickness of the connecting mechanism 100 is reduced, and further The space occupation rate of the connecting mechanism 100 is reduced.

For an optional implementation manner, please continue to refer to FIG. 14 to FIG. 16 . Wherein, the connecting rod 200 includes a first connecting rod 220 and a second connecting rod 230, the first connecting rod 220 and the second connecting rod 230 have a concave edge 240 at their ends, the end of the first connecting rod 200 is connected to the second connecting rod The ends of the 200 are detachably connected. The recessed edge 240 is used for engaging in the first limiting groove 181 and the second limiting groove 182 . The two second extensions 1312 are provided with second anti-slip and sinking platforms 183 that are recessed toward each other on the side facing away from the first connecting portion 1211 . The second anti-slip platform 183 is arranged along the edge of the second limiting groove 182 . And the opening of the end surface of the second anti-slip and sinking platform 183 is smaller than the diameters of the ends of the first connecting rod 220 and the second connecting rod 230 .

In the above implementation process, when the concave edge 240 of the connecting rod 200 is engaged in the first limiting groove 181 and the second limiting groove 182, the first connecting rod 220 and the second connecting rod of the second anti-slip sinking platform 183 The side edge of the end of 230 is restricted by the end surface of the sinking platform, preventing the concave edge 240 from slipping out of the first limiting groove 181 and the second limiting groove 182 . At the same time, since the diameter of the concave edge 240 is smaller than the diameters of the ends of the first connecting rod 220 and the second connecting rod 230, when the concave edge 240 is snapped into the first limiting groove 181 and the second limiting groove 182, the connection is avoided. The sliding of the rod 200 along its length improves the stability of the connection between the external parts such as the connecting rod 200 and the connecting mechanism 100 .

For an optional implementation, please refer to FIG. 18 , which is a schematic structural diagram of a tent frame 300 provided in an embodiment of the present application. Wherein, the connection mechanism 100 provided by the present application is configured to constitute the door frame in the tent frame 300; wherein, the intermediate piece 110 in the connection mechanism 100 constitutes the end connection part 1682 in the door frame, and the first The rotating member 120 and the second rotating member 130 respectively constitute supporting members for supporting the end connecting parts 1682 .

In the above implementation process, when configured as a door frame in the tent frame 300, through the connection mechanism 100, the first rotating member 120 and the second rotating member 130 are rotatably connected to the middle member 110, so that the door frame can be accommodated and Expandable, when the mast is in the unfolded state, the rotation of the first rotating member 120 and the second rotating member 130 is restricted by the limiting member 1171 or the limiting groove in the connecting mechanism 100, which improves the stability of the mast in the unfolded state sex.

Please continue to refer to FIG. 11 , in a preferred implementation manner, the door frame includes a first door frame 320 and a second door frame 330 . The connecting mechanism 100 is also used to realize the connection between the first door frame 320 and the second door frame 330 through the connecting rod 200 .

Specifically, it can be implemented that the support rods 310 are connected by the connection mechanism 100 to form a door frame, and those skilled in the art can determine the number of support rods 310 according to the specification and shape of the tent. The connecting mechanism 100 provided by the present application connects the support rods 310 to realize the foldable and expandable door frames, which facilitates the storage and quick use of the door frames constituting the tent frame 300 , and saves time and manpower for assembly. The connecting mechanisms 100 are connected through the connecting rods 200 , so that the door frames are longitudinally arranged through the connecting rods 200 to form a tent frame 300 . The tent frame 300 may only include the first door frame 320 and the second door frame 330 , or may include other door frames except the first door frame 320 and the second door frame 330 . Those skilled in the art can also determine the number of door frames according to the specifications of the tent frame 300 .

In order to ensure the stability of the door frame in the unfolded state, the connecting card can be embedded in the overlapping first limiting groove 181 and second limiting groove 182 or the card groove 166 in the connecting mechanism 100 to limit the rotation of the support rod 310 . While the connecting rods 200 are used to restrict the rotation of the supporting rods 310 , the connecting mechanisms 100 are connected through the connecting rods 200 , so that the door frames are connected together through the connecting rods 200 to form the tent frame 300 . Material is saved by "one rod for two purposes".

In the above implementation process, the first door frame 320 and the second door frame 330 are connected by receiving the connecting rod 200 through the overlapping first limit groove 181 and second limit groove 182 in the connection mechanism 100, or the card groove 166. to form the tent frame 300 or a part of the tent frame 300 . At the same time, the first rotating member 120 and the second rotating member constituting the gantry support rod 310 will be formed by the connecting rod 200 being inserted into the overlapped first limiting groove 181 and the second limiting groove 182 , or in the engaging groove 166 . The rotation of 130 is locked, which ensures the stability of the door frame in the unfolded state, that is, improves the stability of the tent frame 300 . By "one rod with two functions", the connecting rod 200 is avoided when the connecting mechanism 100 is locked, and the connecting rod 200 is also required for connecting the first door frame 320 and the second door frame 330 of the tent frame 300 .

The connection mechanism 100 provided by this application, the first rotating member 120 and the second rotating member 130 that can be connected with external parts such as tent frame support rods and connecting rods can be rotatably connected to the middle member 110, when the external parts such as tent frame support rods When the parts are connected to the first rotating member 120 and the second rotating member 130, the rotatable connection between the external parts is realized. At the same time, the connection mechanism 100 realizes the connection of components other than the components connected to the first rotating member 120 and the second rotating member 130 through the way that the external parts such as the connecting rod 200 are inserted into it, and through the card The embedded method locks the rotation of the first rotating member 120 and the second rotating member 130, so that the first rotating member 120 and the second rotating member 130 maintain the required angle, which improves the stability of the connecting mechanism 100 in this state, which can be described as It kills two birds with one stone. Especially when the connection mechanism 100 provided by the present application is used for the tent frame 300 , the door frame of the tent frame 300 can be accommodated, and at the same time, the stability of the tent frame 300 in the unfolded state can be ensured.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (16)

1. A connection mechanism, characterized in that, the connection mechanism comprises an intermediate piece, a first rotating member and a second rotating member; The first rotating member includes a first rotating end and a first extending end; the second rotating member includes a second rotating end and a second extending end; The intermediate piece includes a connecting end portion, and the connecting end portion connects the first rotating end portion and the second rotating end portion; wherein, the first rotating member and the second rotating member pass through the connecting end portion so as to The above middleware rotates for the center of rotation. 2. The connecting mechanism according to claim 1, characterized in that, the intermediate piece further comprises a connecting plate; The connecting end includes a first connecting end and a second connecting end located at two ends of the connecting plate; The first rotating end is rotatably connected to the first connecting end through a first rotating pin; The second rotating end is rotatably connected to the second connecting end through a second rotating pin; The first rotating member and the second rotating member have inner sides and outer sides respectively located on both sides of the first rotating pin and on both sides of the second rotating pin; the first connecting end and the second connecting end Limiting blocks are arranged on all parts, and the limiting blocks have a first limiting end surface and a second limiting end surface; The first limiting end surface is used to abut against the outer side of the first extension end and/or the inner side of the first rotation end, and the outer side of the second extension end and/or the second rotation end. The inner side of the two rotating ends restricts the rotation of the first rotating member and the second rotating member in a direction that increases the angle between them; The second limiting end surface is used to abut against the inner side of the first extension end and/or the outer side of the first rotation end, and the inner side of the second extension end and/or the second rotation end. The outer sides of the two rotating ends restrict the rotation of the first rotating member and the second rotating member in a direction that reduces the angle between them. 3. The connecting mechanism according to claim 2, wherein the intermediate piece comprises two connecting plates oppositely arranged; The connecting plates face each other with the sides connected with the first rotating part and the second rotating part, and are fastened to form the middle part. 4. The connecting mechanism according to claim 2, characterized in that, the connecting plate is provided with a first locking slot between the first connecting end and the second connecting end, and the first locking slot for receiving connecting rods; The end surfaces of the first rotating end portion and the second rotating end portion have a first convex structure; When the first limiting end surface abuts the outer side of the first extension end and/or the inner side of the first rotation end, and the outer side of the second extension end and/or the second rotation the inner side of the end, and when the connecting rod is snapped into the first slot, the first protruding structures of the first rotating end and the second rotating end abut against the connecting rod at the same time, To limit the rotation of the first rotating member and the second rotating member in the direction of reducing the angle between them. 5. The connecting mechanism according to claim 4, wherein, the connecting plate is provided with a first anti-slip hook; One end of the first anti-slip hook is a first hook part, and the other end is a first rotating connection part; The first rotating connection part is rotatably connected to the connecting plate, so that the first hook part can rotate around the first rotating connecting part in the plane where the connecting plate is located; When the connecting rod is engaged in the first slot, the first anti-slip hook is rotated so that the first hook part is hooked on the connecting rod, so as to prevent the connecting rod from slipping out of the first locking groove. One card slot away. 6. The connection mechanism according to claim 4, wherein when the first rotating member rotates around the first rotating pin and the second rotating member rotates around the second rotating pin; Projections of the first protrusion structures of the first rotating end and the second rotating end on the plane where the connecting plate is located are located within the connecting plate. 7. The connecting mechanism according to claim 2, characterized in that, the end surfaces of the first rotating end portion and the second rotating end portion have a second protrusion structure; The intermediate piece also includes a stopper slidably arranged between the first connection end and the second connection end; Both ends of the limiting member have limiting parts that can abut against the second protruding structure, and are configured to limit the The first rotating member and the second rotating member rotate in the direction of reducing the angle between them. 8. The connecting mechanism according to claim 7, characterized in that, the connecting plate is provided with a second locking slot located between the first connecting end and the second connecting end, and the second locking slot for receiving connecting rods; When the connecting rod is engaged in the second slot, the connecting rod abuts against the middle portion of the limiting member, and makes the limiting member abut against the second protruding structure. 9. The connection mechanism according to claim 8, characterized in that, the limiting member comprises a guide portion; The connecting plate is provided with a guide groove matching the guide part; The guide groove is configured to: by guiding the guide part to slide along the guide groove, the abutment and avoidance of the limiting part to the second protruding structure are realized; An elastic piece is arranged between the guide groove and the guide part, and the two ends of the elastic piece are respectively connected to the end of the guide part and the end of the guide groove; When the limiting portion abuts against the second protruding structure, the elastic member is in a compressed state; When the limiting portion avoids the second protruding structure, the elastic member is in a relaxed state. 10. The connecting mechanism according to claim 8, characterized in that, a second anti-slip hook is provided on the side of the connecting plate that is not provided with the limiting member; One end of the second anti-slip hook is the second hook part, and the other end is the second rotating connection part; The second rotating connection part is rotatably connected to the connecting plate, so that the second hook part can rotate around the connecting part in the plane where the connecting plate is located; When the connecting rod is engaged in the second slot, the second anti-slip hook is rotated so that the second hook part is hooked on the connecting rod, so as to prevent the connecting rod from slipping out of the first Outside the second card slot. 11. The connecting mechanism according to claim 8, characterized in that, the part of the connecting rod that is inserted into the second slot is provided with a first flange surrounding the connecting rod; The edge of the second card slot is provided with a second flange extending to the inside of the second card slot and matched with the first flange, and is configured as: Matching with the first flange prevents the connecting rod from sliding inside the second slot along its length direction. 12. The connecting mechanism according to claim 8, wherein the connecting rod comprises a first connecting rod and a second connecting rod, and the first connecting rod and/or the second connecting rod has a recess at its end. edge, the end of the first connecting rod is detachably connected to the end of the second connecting rod; The concave edge is used to be embedded in the second slot; Both sides of the connecting plate are provided with first anti-slip and sinking platforms respectively surrounding the two ends of the second card slot; And the opening of the end surface of the first anti-slip and sinking platform is smaller than the diameters of the ends of the first connecting rod and the second connecting rod. 13. The connection mechanism according to claim 1, characterized in that, the intermediate piece includes a rotating connection shaft, and the connecting end is arranged around the rotating connection shaft; The rotating connection shaft runs through the first rotating end and the second rotating end, so that the first rotating member and the second rotating member rotate around the rotating connecting shaft; A first limiting groove and a second limiting groove are respectively provided on the end surfaces of the first rotating end portion and the second rotating end portion, and the first limiting groove and the second limiting groove are used to receive the connecting rod; When the first rotating member and the second rotating member are rotated until the first limiting groove coincides with the second limiting groove, the connecting rod is snapped into the first limiting groove and the second limiting groove inside to limit the rotation of the first rotating member and the second rotating member. 14. The connecting mechanism according to claim 13, wherein the first rotating end portion comprises a first connecting portion rotatably connected to the connecting end portion, and the second rotating end portion comprises a first connecting portion rotatably connected to the connecting end portion. the two second connection portions of the connection ends; The first connecting portion is embedded between the two second connecting portions; The rotating connection shaft runs through the first connection end and the second connection end; The first connection part has a first extension part extending along its plane, and the second connection part has two second extension parts extending along its respective plane; The first limiting groove is arranged on the first extension part, and the second extension part is arranged on the second extension part; When the first rotating end and the second rotating end are rotated until the first limiting groove coincides with the second limiting groove, the first extension part is embedded in the two second extension parts between. 15. The connecting mechanism according to claim 14, wherein the connecting rod comprises a first connecting rod and a second connecting rod, and the first connecting rod and/or the second connecting rod have a a concave edge, the end of the first connecting rod is detachably connected to the end of the second connecting rod; The concave edge is used for snapping into the first limiting groove and the second limiting groove; The two second extensions are provided with second anti-slip and sinking platforms that are recessed toward each other on the side facing away from the first connecting portion; The second anti-slip and sinking platform is arranged along the edge of the second limiting groove; And the opening of the end surface of the second anti-slip and sinking platform is smaller than the diameters of the ends of the first connecting rod and the second connecting rod. 16. The connecting mechanism according to any one of claims 1-15, characterized in that, the connecting mechanism is configured to form a door frame in a tent frame; Wherein, the intermediate piece in the connecting mechanism constitutes the end connecting part in the door frame, and the first rotating part and the second rotating part respectively constitute supporting parts for supporting the end connecting part.

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