CN217365302U

CN217365302U - Cover body structure and heat preservation device

Info

Publication number: CN217365302U
Application number: CN202220373007.8U
Authority: CN
Inventors: 于龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-09-06
Anticipated expiration: 2032-02-22

Abstract

The utility model provides a pair of lid structure and heat preservation device relates to daily necessities technical field to solve to a certain extent current heat preservation device and uncap and the comparatively difficult technical problem of buckle closure process one-hand operation. The utility model provides a cover body structure for a heat preservation device, which comprises a positioning cover, a movable cover and a sealing element; a first accommodating part is formed on the positioning cover, the movable cover is arranged in the first accommodating part and is connected with the positioning cover in a sliding way; the sealing element is connected with the positioning cover and is made of elastic soft materials; a clamping piece is arranged in the first accommodating part and is rotationally connected with the positioning cover, and a first abutting part and an avoiding part are sequentially formed on the movable cover from one end close to the heat preservation device to the other end; when the joint spare contacts with first butt portion, lid structure and heat preservation device lock mutually, get into when the one end of joint spare and dodge the portion, lid structure and heat preservation device unblock.

Description

Cover body structure and heat preservation device

Technical Field

The utility model belongs to the technical field of the daily necessities technique and specifically relates to a lid structure and heat preservation device are related to.

Background

Because the heat preservation structures such as the heat preservation cup or the heat preservation jar have better heat preservation effect on water or food, the heat preservation cup is widely applied to daily life. The existing heat preservation structure usually comprises a heat preservation main body and a sealing cover, and articles contained in the heat preservation main body can be placed through the sealing cover to be poured and scattered, and on the other hand, a certain heat preservation effect can be achieved.

Most of the existing sealing covers and main body structures are connected through threaded screwing, a user needs to hold the main body with one hand when using the sealing cover, and the other hand holds the sealing cover and screws the sealing cover forcibly to open or connect the sealing cover and the heat preservation main body.

Although the sealing cover and the heat preservation main body which are connected through the threads can be connected and heat preserved, the mode not only needs a user to operate with both hands, and the user is led to operate in some special situations, such as inconvenient operation during driving, but also can firmly adsorb the sealing cover and the heat preservation main body when the sealing cover is not opened for a long time and the temperature of hot water or food in the heat preservation main body is reduced, so that the sealing cover can be opened by great force.

Therefore, it is desirable to provide a cover structure and a thermal insulation device to solve the problems in the prior art to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lid structure and heat preservation device to solve current heat preservation device and uncap and the comparatively difficult technical problem of buckle closure process one-hand operation to a certain extent.

The utility model provides a cover body structure for a heat preservation device, which comprises a positioning cover, a movable cover and a sealing element; a first accommodating part is formed on the positioning cover, the movable cover is arranged in the first accommodating part, and the movable cover is connected with the positioning cover in a sliding manner; the sealing element is connected with the positioning cover and is made of elastic soft materials; a clamping piece is arranged in the first accommodating part and is rotationally connected with the positioning cover, and a first abutting part and an avoiding part are sequentially formed on the movable cover from one end close to the heat preservation device to the other end; when the joint spare with first butt portion contacts, lid structure can be relative the heat preservation device locking, works as the movable cover moves down and makes the one end of joint spare gets into dodge the portion, lid structure can be relative the heat preservation device unblock.

The size of the avoiding part in the radial direction and the axial direction is not smaller than the first open convex part of the heat preservation device protrudes out of the open size in the radial direction, so that the clamping piece can be opposite to the positioning cover to rotate and separate from the clamping range of the first convex part.

Specifically, a second abutting portion is further formed on the movable cover, the second abutting portion is located at a position, far away from the first abutting portion, of the movable cover, and the avoiding portion is located between the first abutting portion and the second abutting portion.

The positioning cover comprises an outer shell and an inner shell, the outer shell is arranged on the outer sides of the movable cover and the inner shell in a surrounding mode, and an open second accommodating portion used for accommodating the heat preservation device is formed in the outer shell, so that the outer shell can be in contact with the outer wall surface of the open, and the inner shell can extend into the open; the first accommodating part is formed between the outer shell and the inner shell, the movable cover is provided with a hollow part, the inner shell is positioned in the hollow part, an elastic part is arranged in the hollow part, one end of the elastic part is abutted to the inner shell, and the other end of the elastic part is abutted to the movable cover.

Specifically, the outer wall surface of the inner shell extends along the vertical direction, a first matching portion is formed at a position where the outer shell is in contact with the movable cover, and a second matching portion is formed at a position where the movable cover corresponds to the first matching portion, so that the movable cover can move relative to the inner shell and the outer shell along the vertical direction.

Specifically, the sealing element is of an integrated structure and comprises a sealing section, an abutting section and a connecting section; the sealing section is located between the abutting section and the connecting section, one end, far away from the sealing section, of the connecting section is connected with one end, far away from the movable cover, of the inner shell, and one end, far away from the sealing section, of the abutting section is abutted to the clamping piece.

Furthermore, the clamping piece comprises a rotating part, a first clamping part and a second clamping part; when the cover body structure is locked with the heat preservation device, a first contact surface corresponding to the first clamping portion is abutted with the first abutting portion, a second contact surface corresponding to the second clamping portion is abutted with the first convex portion, and a third contact surface of the clamping piece is abutted with the abutting section; the first contact surface and the second contact surface are arranged at 90 degrees, and the third contact surface is an arc-shaped surface.

More closely, the tip of first joint portion is formed with first hook portion, the tip of butt section is formed with second hook portion.

Further, a first inclined part is formed at the end of the second clamping part, and the inclination angle of the first inclined part corresponds to that of the first convex part; and a second inclined part is formed at the end part of one side of the shell close to the movable cover, and the inclination angle of the second inclined part corresponds to that of the first convex part.

Compared with the prior art, the utility model provides a lid structure has following advantage:

the utility model provides a cover body structure for a heat preservation device, which comprises a positioning cover, a movable cover and a sealing element; a first accommodating part is formed on the positioning cover, the movable cover is arranged in the first accommodating part and is connected with the positioning cover in a sliding manner; the sealing element is connected with the positioning cover and is made of elastic soft materials; a clamping piece is arranged in the first accommodating part and is rotationally connected with the positioning cover, and a first abutting part and an avoiding part are sequentially formed on the movable cover from one end close to the heat preservation device to the other end; when the joint spare contacts with first butt portion, the lid structure can be heat preservation device locking relatively, moves down when the movable cover and makes the one end of joint spare get into dodge the portion, and the lid structure can be heat preservation device unblock relatively.

From this analysis can know, the locating cover in this application can be detained and establish the uncovered department at heat preservation device, when needs are locked lid structure and heat preservation device mutually, presses the lid structure downwards, because the locating cover is connected with the sealing member, is formed with the second convex part in the heat preservation device, and the sealing member is made by elasticity soft materials, consequently, the locating cover pushes down can make the sealing member keep away from the one end of locating cover and butt with the second convex part to outwards expand gradually and produce deformation. Simultaneously, joint spare is close to the first convex part in the heat preservation device gradually, because joint spare can the relative positioning lid rotate, consequently, when the positioning lid continuously moves down, joint spare can rotate first convex part relatively to terminal surface under the up end arrival of first convex part is walked around.

Because the movable cover is provided with the first abutting part, when the upper end surface of the joint piece when bypassing the first convex part reaches the lower end surface, the joint piece faces one side of the movable cover and abuts against the first abutting part, so that the joint piece can be limited through the first abutting part and the first convex part, the joint piece cannot rotate, the sealing piece in the state is always in the state of being extruded and deformed, and the connection of the cover body structure to the heat preservation device and the sealing of the opening are realized.

When the cover body structure needs to be opened, a user presses the movable cover, and the movable cover moves downwards relative to the positioning cover. Because the movable cover is provided with the avoiding part, when the movable cover moves downwards to one side of the clamping piece facing the movable cover to enter the avoiding part, the clamping piece can rotate relative to the positioning cover.

Because the sealing member has elasticity, consequently, when user of service unclamps the movable cover, the sealing member kick-backs and promotes the location lid and shift up to make joint spare can bypass the lower terminal surface of first convex part, reach the up end, and then accomplish the unblock between lid structure and the heat preservation device.

Therefore, the cover body structure user can complete the locking and unlocking operation only by one hand, and the problem that the cover body structure and the heat preservation device cannot be unlocked easily due to the fact that the temperature of hot water or food in the heat preservation structure is reduced can be avoided to a certain extent.

In addition, the utility model also provides a heat preservation device, which comprises a heat preservation main body and the cover body structure; an opening is formed on one side of the heat insulation main body, the cover body structure is buckled on the opening, and a first convex part and a second convex part are sequentially formed on the inner wall surface of the opening from the opening to the bottom along the vertical direction; the first convex part is used for being clamped with the clamping piece, and the second convex part is used for being abutted to the sealing piece.

The application provides a heat preservation device's one side forms uncovered, through at first convex part and the second convex part that open inner wall formed in proper order towards the direction that is close the bottom, can cooperate sealing member and joint spare to realize the locking between lid structure and the heat preservation device and be connected and the unblock function to can provide a heat preservation device that can one-hand operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a completely locked state of a heat preservation device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cover structure in a semi-unlocked state according to an embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a completely unlocked state of the cover structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an initial locking state of a cover structure according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of a point a in fig. 1.

In the figure: 1-a housing; 101-a second housing; 102-a second inclined portion; 2-a movable cover; 201-a first abutment; 202-an avoidance portion; 203-a second abutment; 204-a second mating portion; 205-a hollow; 3-an inner shell; 301-a first receptacle; 4-a seal; 401-a connecting segment; 402-a sealing section; 403-an abutment section; 4031-a second hook; 5-a clamping piece; 501-a first clamping part; 5011 — first contact surface; 5012-first hook; 502-a turning part; 503-a second clamping part; 5031-second contact side; 5032-a first angled portion; 504-third contact surface; 6-a heat preservation main body; 601-opening the mouth; 602-a first projection; 603-second convex part.

Detailed Description

In order to make the objects, 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 with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "communicated," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

As shown in fig. 1-4, the present invention provides a cover structure for a thermal insulation device, which comprises a positioning cover, a movable cover 2 and a sealing member 4; a first accommodating part 301 is formed on the positioning cover, the movable cover 2 is arranged in the first accommodating part 301, and the movable cover 2 is connected with the positioning cover in a sliding manner; the sealing element 4 is connected with the positioning cover, and the sealing element 4 is made of elastic soft materials; a clamping piece 5 is arranged in the first accommodating part 301, the clamping piece 5 is rotatably connected with the positioning cover, and a first abutting part 201 and an avoiding part 202 are sequentially formed on the movable cover 2 from one end close to the heat preservation device to the other end; when joint spare 5 contacts with first butt portion 201, the lid structure can be kept warm the device locking relatively, moves down when movable cover 2 and makes the one end of joint spare 5 get into and dodge portion 202, and the lid structure can keep warm the device unblock relatively.

the utility model provides a lid structure detains the uncovered 601 department of establishing at heat preservation device through the location lid, when needs are locked lid structure and heat preservation device mutually, presses the lid structure downwards, because the location lid is connected with sealing member 4, is formed with second convex part 603 in the heat preservation device, and sealing member 4 is made by elasticity soft materials, consequently, the location lid pushes down the one end that can make sealing member 4 keep away from the location lid and second convex part 603 looks butt to outwards expand production deformation gradually. Simultaneously, joint spare 5 is close to the interior first convex part 602 of heat preservation device gradually, because joint spare 5 can the relative positioning lid rotate, consequently, when the positioning lid continuously moves down, joint spare 5 can rotate first convex part 602 relatively to reach terminal surface down around the up end of first convex part 602.

Because be formed with first butt portion 201 on the movable cover 2, consequently, when the up end when joint spare 5 walks around first convex part 602 reaches the bottom terminal surface, joint spare 5 towards one side and the butt of first butt portion 201 of movable cover 2 to can carry on spacingly to joint spare 5 through first butt portion 201 and first convex part 602, make joint spare 5 unable rotation, and then make the sealing member 4 under this state be in all the time by the extrusion deformation's state and be, realize the lid structure to the connection of heat preservation device and to uncovered 601 sealed.

When the cover body structure needs to be opened, a user presses the movable cover 2, and the movable cover 2 moves downwards relative to the positioning cover. Because the avoiding portion 202 is formed on the movable cover 2, when the movable cover 2 moves down to the side of the clamping member 5 facing the movable cover 2 and enters the avoiding portion 202, the clamping member 5 can rotate relative to the positioning cover.

Because sealing member 4 has elasticity, consequently, when user of service unclamped movable cover 2, sealing member 4 kick-backs and promotes the location lid and shift up to make joint spare 5 can bypass the lower terminal surface of first convex part 602, reach the up end, and then accomplish the unblock between lid structure and the heat preservation device.

Therefore, the lid structure user personnel that this application provided can accomplish the operation of locking and unblock only through the one hand to, also can avoid to a certain extent because of hot water or food temperature drop in the insulation construction leads to the problem that lid structure and heat preservation device can't be unlocked easily.

It should be added that the sealing member 4 in the present application is made of food-grade silicone material, which has both good sealing effect and certain elasticity, so as to seal the opening 601 and drive the clamping member 5 to rotate.

It should be further added that the cross section of the cover body structure provided by the present application is circular, and therefore, the cross section of the corresponding positioning cover is circular, the cross section of the first accommodating portion 301 formed in the positioning cover is circular, and the cross sections of the movable cover 2 and the sealing member 4 are circular, so as to be able to adapt to the shape of the opening 601 of most of the thermal insulation devices.

In the above embodiment, as shown in fig. 1 to 4, it is preferable that the dimension of the escape portion 202 in the radial direction and the axial direction in the present application is not smaller than the dimension of the first protrusion 602 of the opening 601 of the heat retaining device protruding from the opening 601 in the radial direction, so that the latch 5 can rotate relative to the positioning cover and is out of the latching range of the first protrusion 602.

As shown in fig. 2, since the unlocking of the cover structure requires that the clamping member 5 is separated from the limit ranges of the first protrusion 602 and the first abutting portion 201, therefore, by forming the escape portion 202 on the movable cover 2, and the dimension of the escape portion 202 in the axial direction and the radial direction is not smaller than the dimension of the first protrusion 602 protruding from the opening 601 in the radial direction, so that, when the movable lid 2 is pressed down, the snap 5 can be disengaged from the limit range of the first abutting portion 201 first, when the clamping piece 5 enters the avoiding part 202, the avoiding part 202 can provide sufficient rotating space for the clamping piece 5, thereby the clamping piece 5 generates a certain angle of rotation, and the clamping piece 5 after rotation can smoothly go around the lower end surface of the first convex part 602 to reach the upper end surface under the drive of the restoring force of the sealing piece 4, and then the clamping piece 5 is separated from the limit range of the first convex part 602, so that the unlocking between the cover body structure and the heat preservation device is realized.

It should be noted that in the present application, the lower end surface of the first protrusion 602 is the end surface facing the bottom side, and the upper end surface is the end surface facing away from the bottom side.

In order to avoid excessive rotation of the clip 5, optionally, as shown in fig. 1 to 4, a second abutting portion 203 is further formed on the movable cover 2 in the present application, and the second abutting portion 203 is located at a position where the movable cover 2 is far away from the first abutting portion 201, and the avoiding portion 202 is located between the first abutting portion 201 and the second abutting portion 203.

When the movable cover 2 moves down to make the clamping piece 5 enter the avoiding portion 202, the clamping piece 5 can rotate relative to the positioning cover, and when the clamping piece 5 rotates to a limit range separated from the first convex portion 602, the clamping piece 5 can abut against the second abutting portion 203 formed on the movable cover 2, so that the clamping piece 5 can be kept in the state.

Preferably, as shown in fig. 1-4, the seal 4 in the present application is a one-piece structure, and the seal 4 includes a sealing section 402, an abutting section 403, and a connecting section 401; the sealing section 402 is located between the abutting section 403 and the connecting section 401, one end of the connecting section 401, which is far away from the sealing section 402, is connected with one end of the inner shell 3, which is far away from the movable cover 2, and one end of the abutting section 403, which is far away from the sealing section 402, is abutted against the clamping piece 5.

As shown in fig. 5, the clip member 5 in the present application is in an L-shaped structure, so that when the clip member 5 rotates, the sealing member 4 can move upwards to some extent, so that the sealing section 402 of the sealing member 4 is separated from the opening 601. And, the restoring force of sealing member 4 can provide the power of rebound for joint spare 5, and when operating personnel released movable cover 2, joint spare 5 can be upwards lifted up by sealing member 4 to drive the location lid and shift up, accomplish the unblock between lid structure and the heat preservation device.

In the above embodiment, as shown in fig. 1 to 4, the positioning cover in the present application is composed of an outer shell 1 and an inner shell 3, the outer shell 1 is disposed around the outer sides of the movable cover 2 and the inner shell 3, and the outer shell 1 is formed with a second receiving portion 101 for receiving an opening 601 of the heat preservation device, so that the outer shell 1 can contact with the outer wall surface of the opening 601 and the inner shell 3 can extend into the opening 601; the first receiving portion 301 is formed between the outer shell 1 and the inner shell 3, the movable cover 2 is formed with a hollow portion 205, the inner shell 3 is located in the hollow portion 205, an elastic member is arranged in the hollow portion 205, one end of the elastic member abuts against the inner shell 3, and the other end of the elastic member abuts against the movable cover 2.

Second container portion 101 is the ascending joint groove of vertical side in this application, and when lid structure was detained and is established on the heat preservation device, the uncovered 601 of heat preservation device can insert in second container portion 101 to can radially carry on spacingly to lid structure.

And the movable cap 2 in the present application is formed with a hollow 205 so as to be able to satisfy the relative movement of the movable cap 2 with respect to the inner and

outer cases

3 and 1. Also, it is preferable that an elastic member (not shown) is further disposed in the hollow portion 205 in the present application, and the elastic member is compressed when the movable cap 2 is pressed down, and pushes the movable cap 2 to move upward and return to the initial position when the movable cap 2 is released.

Alternatively, as shown in fig. 1 to 4, in the present application, the outer wall surface of the inner case 3 extends in the vertical direction, a first engagement portion is formed at a position where the outer case 1 contacts the movable cover 2, and a second engagement portion 204 is formed at a position where the movable cover 2 corresponds to the first engagement portion, so that the movable cover 2 can move in the vertical direction relative to the inner case 3 and the outer case 1.

First cooperation portion is the guide way in this application, and second cooperation portion 204 is the direction arch, through the cooperation of guide way and direction convex part, can realize the stable slip of removable cover 2 relative shell 1. As can be appreciated, the first mating portion and the second mating portion 204 in this application can be reversed in position, i.e., the first mating portion is a guide protrusion and the second mating portion 204 is a guide slot.

In the above embodiment, as shown in fig. 5, the clip member 5 provided by the present application includes a rotating portion 502, a first clip portion 501, and a second clip portion 503; when the cover structure is locked with the heat preservation device, the first contact surface 5011 corresponding to the first clip portion 501 abuts against the first abutting portion 201, the second contact surface 5031 corresponding to the second clip portion 503 abuts against the first protrusion 602, and the third contact surface 504 of the clip 5 abuts against the abutting section 403; the first contact surface 5011 is disposed at 90 ° to the second contact surface 5031, and the third contact surface 504 is an arc surface.

The rotating portion 502 may be provided with a torsion spring and the like, so that the clip member 5 itself has a certain rotation capability, thereby ensuring unlocking and firm locking of the cover mechanism. The first contact face 5011 and the second contact face 5031 are provided at 90 °, and the clip 5 can be stably brought into contact with the first contact portion 201 and the first protrusion 602 in the locked state. And because the butt section 403 and the third contact surface 504 of sealing member 4 contact in this application, and at unblock and locking in-process, the relative butt section 403 of joint spare 5 slides, consequently, makes third contact surface 504 be the arcwall face, can make the slip process between joint spare 5 and the butt end more smooth.

Preferably, as shown in fig. 5, in order to avoid the excessive sliding of the snap-in piece 5 relative to the abutting section 403 to separate the snap-in piece 5 from the abutting section 403, in the present application, a first hook portion 5012 is formed at an end of the first snap-in portion 501, a second hook portion 4031 is formed at an end of the abutting section 403, and the abutting section 403 of the snap-in piece 5 and the sealing member 4 can be limited by the formed first hook portion 5012 and the formed second hook portion 4031, so that the rotation stroke of the snap-in piece 5 is within an appropriate range, and the stability of the whole structure is ensured.

As shown in fig. 4, since the fastening member 5 moves downward in the vertical direction when the cover structure is locked with the insulating device, when the cover structure is in contact with the first convex portion 602, the first convex portion 602 can make the fastening member 5 rotate, and therefore, the end of the second fastening portion 503 is formed with the first inclined portion 5032, the inclination of the first inclined portion 5032 corresponds to the inclination of the first convex portion 602, so that the fastening member 5 can smoothly pass through the first convex portion 602, and the cover structure and the insulating device can be locked.

Since the second engaging portion 503 moves upward during the locking process, the second inclined portion 102 is formed at the end of the housing 1 near the movable cover 2, and the inclination of the second inclined portion 102 corresponds to the inclination of the first protrusion 602, so that the problem of interference generated during the rotation of the engaging member 5 can be avoided to some extent.

In addition, the utility model also provides a heat preservation device, which comprises a heat preservation main body 6 and the cover body structure; an opening 601 is formed on one side of the heat preservation main body 6, the cover body structure is buckled on the opening 601, and a first convex part 602 and a second convex part 603 are sequentially formed on the inner wall surface of the opening 601 from the opening 601 to the bottom along the vertical direction; the first convex portion 602 is used for being clamped with the clamping piece 5, and the second convex portion 603 is used for being abutted to the sealing piece 4.

The application provides a heat preservation device's one side forms uncovered 601, through first convex part 602 and the second convex part 603 that the inner wall at uncovered 601 forms in proper order towards the direction that is close to the bottom, can cooperate sealing member 4 and joint spare 5 to realize the locking between lid structure and the heat preservation device and be connected and the unblock function to can provide a heat preservation device that can one-hand operation.

It should be added that, in the present application, the first protrusion 602 and the second protrusion 603 are both disposed along the circumferential direction of the opening 601, and the size of the second protrusion 603 protruding from the inner wall surface of the opening 601 is larger than the size of the first protrusion 602 protruding from the inner wall surface of the opening 601.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cover body structure is used for a heat preservation device and is characterized by comprising a positioning cover, a movable cover and a sealing element;

a first accommodating part is formed on the positioning cover, the movable cover is arranged in the first accommodating part, and the movable cover is connected with the positioning cover in a sliding manner;

the sealing element is connected with the positioning cover and is made of elastic soft materials;

a clamping piece is arranged in the first accommodating part and is rotationally connected with the positioning cover, and a first abutting part and an avoiding part are sequentially formed on the movable cover from one end close to the heat preservation device to the other end;

when the joint spare with first butt portion contacts, lid structure can be relative the heat preservation device locking, works as the movable cover moves down and makes the one end of joint spare gets into dodge the portion, lid structure can be relative the heat preservation device unblock.

2. The cover structure of claim 1, wherein the size of the avoiding portion in the radial direction and the axial direction is not smaller than the size of the opening of the heat preservation device, and the first convex portion protrudes out of the opening in the radial direction, so that the clamping member can rotate relative to the positioning cover and is separated from the clamping range of the first convex portion.

3. The cover structure according to claim 2, wherein a second abutting portion is further formed on the movable cover, the second abutting portion is located at a position of the movable cover away from the first abutting portion, and the avoiding portion is located between the first abutting portion and the second abutting portion.

4. The cover structure according to claim 2, wherein the positioning cover comprises an outer shell and an inner shell, the outer shell is disposed around the outer sides of the movable cover and the inner shell, and the outer shell is formed with an open second receiving portion for receiving the temperature keeping device, so that the outer shell can contact with the outer wall surface of the open opening and the inner shell can extend into the open opening;

the first accommodating part is formed between the outer shell and the inner shell, the movable cover is provided with a hollow part, the inner shell is positioned in the hollow part, an elastic part is arranged in the hollow part, one end of the elastic part is abutted to the inner shell, and the other end of the elastic part is abutted to the movable cover.

5. The cover structure according to claim 4, wherein an outer wall surface of the inner case extends in a vertical direction, a first engagement portion is formed at a position where the outer case contacts the movable cover, and a second engagement portion is formed at a position of the movable cover corresponding to the first engagement portion, so that the movable cover can move in the vertical direction relative to the inner case and the outer case.

6. The cover structure of claim 5, wherein the seal is a unitary structure and includes a sealing section, an abutment section, and a connecting section;

the sealing section is located between the abutting section and the connecting section, one end, far away from the sealing section, of the connecting section is connected with one end, far away from the movable cover, of the inner shell, and one end, far away from the sealing section, of the abutting section is abutted to the clamping piece.

7. The cover structure according to claim 6, wherein the engaging member includes a rotating portion, a first engaging portion and a second engaging portion;

when the cover body structure is locked with the heat preservation device, a first contact surface corresponding to the first clamping portion is abutted with the first abutting portion, a second contact surface corresponding to the second clamping portion is abutted with the first convex portion, and a third contact surface of the clamping piece is abutted with the abutting section;

the first contact surface and the second contact surface are arranged at 90 degrees, and the third contact surface is an arc-shaped surface.

8. The cover structure according to claim 7, wherein a first hook portion is formed at an end of the first click portion, and a second hook portion is formed at an end of the abutting section.

9. The cover structure according to claim 7, wherein a first inclined portion is formed at an end portion of the second click portion, an inclination angle of the first inclined portion corresponding to an inclination angle of the first convex portion;

and a second inclined part is formed at the end part of one side of the shell close to the movable cover, and the inclination angle of the second inclined part corresponds to that of the first convex part.

10. An insulation unit comprising an insulation body and a cover structure according to any one of claims 1 to 9;

an opening is formed on one side of the heat insulation main body, the cover body structure is buckled on the opening, and a first convex part and a second convex part are sequentially formed on the inner wall surface of the opening from the opening to the bottom along the vertical direction;

the first convex part is used for being clamped with the clamping piece, and the second convex part is used for being abutted to the sealing piece.