CN201277425Y - Photographic foot rest - Google Patents

Abstract

The utility model provides a photographic foot rest, which comprises a body seat (1) with a central hole (11), at least one foot pipe fitting (2) connected with the body seat, a support plate (3) which is provided with a through hole (32) and is sleeved in the central hole in a way that the through hole can rotate around the central axis of the central hole and is concentric with the central hole, a central shaft (4) bearing photographic equipment and a support seat (5), the stand base has a hole (52) for receiving and supporting the bottom bracket axle and is pivotally connected to the stand plate in such a manner as to be rotatable about another axis perpendicular to the central axis and thereby align the hole with the through hole, a locking mechanism is arranged between the bracket disc and the body seat and used for locking the movement of the bracket disc relative to the body seat along the central axis direction, at least one locking button (16) is disposed on the side wall of the body housing, a portion of the locking button being accessible through an opening in the side wall of the body housing and contacting the outer surface of the carrier plate. The tripod for photography is convenient to use, can meet the shooting requirements of any direction and angle, and has a simple structure.

Description

tripod for photography

technical field

The utility model relates to the field of photographic equipment, in particular to a photographic tripod with a central axis that can be placed horizontally and that can be photographed at a low angle.

Background technique

Photographic tripod is one of photographic equipment commonly used, and the tripod of selling on the market mainly comprises body, support rod (or claim central axis), three adjustable legs and support rod locking mechanism at present. The support rod passes through the middle of the body, and the support rod locking mechanism is located at the upper end of the body. When the support rod locking mechanism is released, the support rod can be adjusted up and down. This tripod can only adjust the height of the camera, but cannot rotate the camera horizontally and vertically, so it is difficult to meet the needs of all-round and multi-angle shooting, and has a single function.

Chinese invention patent CN1232935A discloses a tripod especially for taking pictures, comprising star-shaped forks for hinged legs and a support installed in the star-shaped fork, the support has a third axis coaxial with the main axis of the tripod A seat and a second seat having an axis substantially perpendicular to the first seat. The tripod can only realize low-angle vertical mobile shooting when the central axis is located at the center of the star-shaped fork, and can only rotate horizontally when the central axis is horizontally placed in the second seat, and cannot realize multi-angle shooting.

Chinese invention patent CN1220840C discloses a tripod especially used for optical and photographic equipment, including a bracket plate with a central axis, a support for supporting the central axis on the support plate, and a central axis positioning mechanism is provided in the support, which can be used for The center shaft is movably locked in at least two positions, the axis of the center shaft being inclined at an angle relative to the main axis of the support disc. Although the central axis can achieve multiple angles and low angles, it must be eccentrically vertical to the tripod.

Chinese utility model patent CN2618031Y discloses a kind of universal rotary tripod, and its cylindrical central axis can realize multi-angle shooting and is centered vertically. Here, the rotating body is sheathed in the supporting seat in such a way that its central hole is concentrically aligned with the central hole of the supporting seat, and a collar is pivotally connected to the rotating body, and the collar can rotate relative to the rotating body, thus, The collar can be moved into a position where its center hole is aligned with the center hole on the rotating body and the support seat. At this time, an upper casing is sleeved in the center hole of the rotating body, and its lower end is screwed with a lower casing to make the upper casing press the upper inner ring surface of the rotating body and the lower casing to withstand The bottom surface of the support seat realizes the axial fixation of the rotating body relative to the support seat, and only relies on the frictional contact caused by this compression to prevent the rotation of the rotating body relative to the support seat. This structure relies on the upper and lower sleeves to axially position the rotating body and prevent it from rotating relative to the support seat, because it does not directly lock the rotating body, so the locking effect is not good. At the same time, the structure is relatively complicated, with many parts and large volume , resulting in a heavier tripod as a whole, which is not compatible with the current requirements for lightweight tripods.

Contents of the invention

The purpose of the utility model is to provide a simple structure and light weight tripod which is easy to use and can realize the shooting needs of any azimuth and angle.

In order to achieve the above object, the utility model provides a photographic tripod, comprising a body seat with a central hole, at least one leg fitting connected with the body seat, a through hole and a center axis rotatable around the center hole And the mode that the through hole is concentric with the central hole is placed on the support plate in the central hole, the central axis carrying the photographic equipment, and the support seat. The support seat has a hole for accommodating and supporting the central axis, and the support seat can be wound around the Another axis perpendicular to the central axis rotates and thereby aligns the hole and the through hole with the support plate, wherein a locking mechanism is provided between the support plate and the body seat for locking the support plate relative to the body For the movement of the seat along the central axis, at least one lock button is provided on the side wall of the body seat, and a part of the lock button can pass through the opening on the side wall of the body seat and contact the outer surface of the bracket plate, and is used to limit the bracket plate. Rotation in the body seat.

In the present invention, in order to facilitate the rotation, the lower end of the support plate is preferably in the shape of a ring matching the central hole of the body seat. When the support seat is rotated so that it overlaps with the support plate, the holes of the support seat and the through holes of the support plate are concentrically aligned, so that the central axis can pass through the two and move.

According to one solution of the present invention, the locking mechanism may include a groove provided on the outer wall of the support plate, a groove provided on the inner wall of the body seat, and an elastic body accommodated between the groove and the groove. Here, the groove and/or groove is preferably a continuous annular groove extending in the circumferential direction. Since the elastic body is accommodated in the groove and the groove when the bracket disc is placed in the body seat, it can restrict the movement of the bracket disc along the central axis, thereby preventing the bracket disc from slipping out when it is horizontally rotated in the body seat or when it is inverted , but will not hinder the rotation of the bracket disc.

According to the present invention, the locking mechanism may also include a groove arranged on the outer wall of the support plate, a screw hole opened on the outer wall of the body seat, and a screw that can pass through the screw hole and enter the groove. Likewise, the groove provided on the outer wall of the support plate is preferably a continuous ring groove extending along the circumferential direction. Here, by screwing the screw into the groove through the screw hole, the movement of the support plate in the direction of the central axis in the body seat is limited, thereby preventing the support plate from slipping out when it rotates horizontally or stands upside down in the body seat.

In the present invention, the locking mechanism may include a screw thread on the lower end of the support plate and a nut screwed on the screw thread, the size of the nut can make at least one part of the nut abut against the bottom surface of the body seat or the center hole. end face. After the lower end of the support plate is screwed with the nut, the size of the nut makes it interfere with the bottom surface of the body seat or the end surface of the central hole, thereby restricting the movement of the support plate along the central axis, thereby preventing the support plate from rotating horizontally in the body seat slides out while standing or standing upside down.

According to the utility model, the lock button has a threaded portion, and the opening on the side wall of the body seat is a threaded hole, and the threaded portion is screwed with the threaded hole and can be screwed into the threaded hole. When the lock button in the threaded hole moves from outside to inside, the front end of the lock button is tightly pressed against the outer surface of the support disc, especially the outer wall surface, so as to limit the rotation of the support disc. It is also conceivable that the lock button, for example, has a protrusion that can pivot into the opening on the side wall of the body seat, and an elastic member such as an elastic lock ring that is connected with the body seat is provided in the opening. Turning will drive the protrusion to move into the opening on the side wall of the body seat, thereby pressing the elastic member to be close to the outer wall surface of the bracket disc, thereby limiting the rotation of the bracket disc.

Advantageously, the body seat is provided with an extension arm rotatably connected to the upper end of the leg fitting, and the end of the extension arm has a plurality of projections for controlling the opening angle of the leg fitting. At this time, the leg pipe member may also have a limit adjustment block that cooperates with the protrusion. By cooperating with the protrusion at the end of the extension arm and the limit adjustment block on the foot pipe, the foot pipe of the tripod can be expanded to different angles.

In order to facilitate the fixing of the central axis, the hole of the support base is an open hole, and a clip piece extends from two walls of the opening of the open hole, and is used for clamping and accommodating the central axis in the hole. At this time, bolts passing through the two clips can be set to adjust the degree of opening and closing of the opening hole and the tightness of the center shaft, so as to adapt to center shafts of different diameters. In addition, in the present invention, the tripod for photography preferably has three leg parts, and the lock button is arranged on the side wall of the body seat between the two leg parts.

Compared with the prior art, the tripod for photography according to the utility model is easy to use, can meet the shooting needs of any orientation and angle, and has a simple structure. In particular, by setting an independent locking mechanism in the tripod for photography to lock the axial movement of the support plate relative to the body seat, and an independent lock button to lock the rotation of the support plate in the body seat, the two locks The stop mechanism performs its own duties, so when it is only necessary to adjust the height, it only needs to release the locking mechanism, and when it is only desired to realize the rotation of the support plate in the body seat, the lock button can be released, which is different from that in the prior art CN2618031Y only relying on Compared with the locking in which the upper and lower sleeves simultaneously complete axial movement and rotation, the locking effect and operational adaptability are improved, and the structure is simpler, and the overall weight of the tripod becomes lighter.

Description of drawings

Below, describe embodiment of the present utility model in detail in conjunction with accompanying drawing, wherein:

Fig. 1 is an exploded view of a tripod embodiment according to the utility model;

Fig. 2 is a cross-sectional view showing an embodiment of the tripod locking mechanism, which includes an elastic body and a groove cooperating therewith;

Fig. 3 is a sectional view showing another embodiment of the locking mechanism, which includes a screw and a slot cooperating therewith;

Figure 4 is a cross-sectional view of another embodiment of the locking mechanism, which includes threads on the lower end of the bracket plate and nuts cooperating therewith;

Fig. 5 shows the tripod for photography according to the utility model in use state;

Fig. 6 shows the situation when the central axis of the tripod for photography shown in Fig. 5 is placed horizontally;

Fig. 7 shows the situation when the central axis of the tripod for photography shown in Fig. 5 is placed outside;

FIG. 8 shows a low-angle shooting situation with the tripod for photography shown in FIG. 5 .

Detailed ways

Fig. 1 is an exploded view showing an embodiment of a tripod for photography according to the present invention. In this embodiment, the tripod includes a body seat 1 with a central hole 11, at least one, such as three, corresponding to the body seat 1. The connected foot pipe 2, the bracket plate 3 with a through hole 32 and can be rotated around the central axis Y of the central hole 11 and the through hole 32 is concentric with the central hole 11 is placed in the central hole 11, and carries the photographic equipment. The central axis 4, and the bracket seat 5. The bracket base 5 has a hole 52 for receiving and supporting the central shaft 4, and the bracket base 5 can rotate around another axis X perpendicular to the central axis Y so that the hole 52 and the through hole 32 are aligned with each other. It is pivotally connected with the support plate 3. In order to prevent the support plate 3 from sliding out when it rotates horizontally in the body seat 1 or stands upside down, a locking mechanism is provided between the support plate 3 and the body seat 1 for locking the position of the support plate 3 relative to the body seat 1 along the central axis Y direction. move. In addition, at least one lock button 16 is also provided on the side wall of the body seat 1, and a part of the lock button can pass through the opening 16A on the side wall of the body seat and contact the outer surface of the support plate 3, so as to limit the support plate. 3 Rotation in the body seat 1.

According to the utility model, the locking mechanism of the above-mentioned photography tripod can have various embodiments. Fig. 2 shows an embodiment of the locking mechanism, which for example includes a groove 312 arranged on the outer wall of the bracket plate 3, a groove 102 arranged on the inner wall of the body seat 1, and the groove 102 which can be accommodated in the groove and the groove. of elastomers19. Here, the groove 312 on the support disk 3 is preferably a continuous ring groove extending along the circumference of the support disk 3 . When the bracket plate 3 is placed in the central hole 11 of the body seat 1, the elastic body 19 accommodated in the groove 312 and the groove 102 restricts the movement of the bracket plate 3 along the central axis Y direction or called axial movement , and then prevent the support plate 3 from slipping out when it is horizontally rotated in the body seat 1 or when it is inverted. This locking structure does not hinder the rotation of the bracket plate 3 in the body seat.

Fig. 3 shows another embodiment of the locking mechanism. Here, the locking mechanism includes a groove 312 arranged on the outer wall of the bracket plate 3, a screw hole 100 pierced on the outer wall of the body seat 1, and a screw hole 100 that can pass through the screw hole 100. The screw 111 enters the slot 312 . The groove 312 on the support disk 3 is preferably a continuous ring groove extending along the circumference of the support disk 3 . When the support plate 3 is placed in the central hole 11 of the body seat, the screw 111 enters the groove 312 through the screw hole 100, thereby preventing the support plate 3 from slipping out when it rotates horizontally in the body seat 1 or stands upside down. In order not to hinder or obviously prevent the rotation of the bracket plate 3 in the body seat, the screw head should be prevented from touching the bottom of the groove 312 when the screw is screwed in.

Fig. 4 shows another embodiment of locking mechanism, and it comprises the screw thread 313 on the lower end portion of bracket plate 3, and the nut 314 that can be screwed on the screw thread 313, and the size or shape of nut is selected to make the nut at least One part abuts against the bottom surface of the body seat 1 or the end surface of the central hole 11 . As shown in FIG. 4 , a ring nut 314 abuts against the end surface of the central hole 11 . It is also conceivable that when the end of the bracket plate 3 with the thread 313 protrudes out of the body seat, the nut 314 can abut against the bottom surface of the body seat. The nut 314 can be a nut of any shape, not limited to a ring nut. After the support plate 3 is screwed with the nut 314 through the threads 313, the support plate 3 cannot move axially, thereby preventing the support plate from slipping out, but it will not hinder or obviously hinder the rotation of the support plate 3.

In the above embodiment, after the horizontal rotation angle is adjusted, the rotation of the bracket plate 3 relative to the body seat 1 can be restricted by locking the lock button 16 . According to the present invention, the locking button 16 can have various embodiments. According to one embodiment, the lock button 16 has a threaded portion, and the opening on the side wall of the body seat 1 is a threaded hole 16A matched therewith, so that the threaded portion can be screwed through the threaded hole. When the locking knob 16 is rotated from the outside to the inside, the front end of the locking knob 16 will tightly abut against the outer wall surface of the bracket plate 3, and the purpose of locking the rotation of the bracket plate is achieved through frictional contact. The lock button 16 is preferably configured to be adjustable to any direction when the bracket plate 3 is locked. According to another embodiment, the releasable rotational locking of the support plate 3 in the body seat is achieved by a locking knob as described below, which locking knob has a protrusion pivotable into an opening in the side wall of the body seat, and An elastic piece connected to the body seat is provided in the opening, and the pivoting of the lock button drives the protrusion to move into the opening, and presses the elastic piece to make it cling to the outer wall of the bracket plate, thereby limiting the rotation of the bracket plate in the body seat . Here, the elastic member may be an elastic lock ring.

In any of the above-mentioned embodiments, in order to facilitate the fixing of the central axis 14, the hole 52 of the bracket seat 5 is in the shape of an open hole, and a clip 52a is extended from the two walls of the opening of the open hole, and the bolt 55 and the locking knob 81 to lock for clamping and accommodating the center shaft 4 in the hole 52.

Advantageously, the body base 1 is provided with an extension arm 12 rotatably connected to the upper end of the foot pipe fitting 2, and the end of the extension arm 12 is provided with a plurality of tooth-shaped protrusions 13 for controlling the opening angle of the foot pipe fitting 2, in order to To better control the shooting angle, a spirit level and a compass 117 are also provided on the upper end of the extension arm. The upper end portion 21 of the leg member 2 is provided with a limit adjustment block 22 that cooperates with the protrusion 13 at the end of the extension arm 12 . Here, the bump 13 is in the shape of a tooth, it should be understood that it can also be in any other suitable shape. By cooperating with the protrusion 13 at the end of the extension arm 12 and the limit adjustment block 22 on the leg member 2, the leg member of the tripod can be expanded to different angles.

In addition, the upper end of the bracket plate 3 and the bracket base 5 are respectively provided with a connection portion, the end surface of the connection portion 31 of the bracket plate 3 is provided with a plurality of clutch teeth 34, and the connection portion 51 of the bracket base 5 is connected to the bracket plate connection portion 31. A plurality of clutch teeth 53 are also arranged on the opposite end faces of the end faces, and the clutch teeth on the two end faces can engage with each other. The bracket plate 3 and the bracket seat 5 can be connected by bolts 80 and can be tightened by a knob 811 . In order to achieve that the support seat 5 can automatically bounce off when the knob 811 is released, preferably a hole is provided inside the support plate 3, and a spring 36 is provided in the hole. The purpose of setting clutch teeth on the opposite end faces of the two connecting parts is to avoid loosening that may still occur between the bracket plate 3 and the bracket seat 5 after the knob 811 is locked, so that the central axis 4 and the camera supported on the central axis can The equipment is positioned more precisely.

5 to 8 show different usage states of the tripod for photography according to the present invention. Fig. 5 shows the tripod for photography according to the utility model in use state, the central axis at this moment is vertically penetrated in the holes of the bracket base and the through hole of the bracket disc and the central hole of the body base which are aligned with each other. From this state of use, the locking knob 81 on the bracket seat 5 can be released first, and the central shaft 4 can be pulled out from the body seat 1 . Then, the lock button 16 is released, so that the bracket plate 3 can rotate in the body seat 1 . At the same time, the knob 811 is loosened, so that the bracket seat 5 can pivot around another axis X perpendicular to the central axis Y of the body seat 1, thereby adjusting the bracket seat 5 to such as that the axis of its hole 52 is perpendicular to the body seat 1 center axis, and then place the center shaft 4 through the hole 52 on the bracket seat 5, thereby obtaining the use state of the center shaft horizontally (as shown in Figure 6), and the bracket plate 3 at this time can rotate in the body seat to the desired angle. If you continue to pivot the bracket seat 5, the tripod will be adjusted to the state where the central axis 4 is placed outside (as shown in Figure 7). Moreover, a low-angle shooting state (as shown in FIG. 8 ) can be obtained by adjusting the limit adjustment block and the protrusion on the leg pipe piece and the body seat. Therefore, the above-mentioned tripod for photography can simultaneously perform horizontal rotation around the central axis Y and pivot around another axis X perpendicular thereto, realizing omnidirectional and multi-angle shooting.

It should be understood that the above description is exemplary rather than restrictive. For those skilled in the art who have read the above description, in addition to the examples given, many changes can be made without departing from the scope of the present invention. and equivalent substitutions will be apparent. In addition, although the utility model is mainly aimed at photographic equipment, the utility model is also applicable to surveying and mapping instruments with similar structures, and observation instruments such as telescopes.

Claims (10)

1. photography foot rest, comprise the noumenal seat (1) that has center hole (11), at least one and the joining pin pipe fitting of this noumenal seat (1) (2), have through hole (32) and being mounted on tray deck (3) in this center hole (11) around the concentric mode of central axis (Y) rotation of this center hole and this through hole and this center hole, the axis (4) of carrying photographic goods, and bracket (5), this bracket (5) has the hole (52) that is used to hold and support this axis (4), and this bracket (5) is with can be around rotating and make thus mode and this tray deck (3) pivot joint that this hole (52) and this through hole (32) are aimed at mutually with perpendicular another axis (X) of this central axis (Y), it is characterized in that, between this tray deck (3) and this noumenal seat (1), be provided with locking framework, be used to lock this tray deck relative to this noumenal seat (1) moving along this central axial direction, be provided with at least one cage knob (16) on the sidewall of this noumenal seat (1), the part of this cage knob can be passed the opening on this noumenal seat sidewall and be touched the outer surface of this tray deck (3).

2. photography foot rest according to claim 1, it is characterized in that, this locking framework comprises groove (312) on the outer wall that is arranged on this tray deck (3), be arranged on the groove (102) on the inwall of this noumenal seat (1) and can be contained in described groove and described groove in elastomer (19).

3. photography foot rest according to claim 1, it is characterized in that this locking framework comprises groove (312) on the outer wall that is arranged on this tray deck (3), be arranged in the screw hole (100) on the outer wall of this noumenal seat (1) and pass this screw hole (100) and enter the screw (111) of this groove (312).

4. photography foot rest according to claim 1, it is characterized in that, this locking framework comprises the screw thread (313) on the underpart that is positioned at this tray deck (3) and can be screwedly mounted on nut (314) on this screw thread, and the size of this nut can make at least one part of this nut be connected on the end face of the bottom surface of this noumenal seat (1) or this center hole (11).

5. according to each described photography foot rest in the claim 1 to 4, it is characterized in that, this cage knob (16) has the screw section, and the opening on this noumenal seat (1) sidewall is tapped hole (16A), and this screw section and described tapped hole screw togather and can be turned and pass this tapped hole.

6. according to each described photography foot rest in the claim 1 to 4, it is characterized in that, the hole (52) of this bracket (5) is an open pore, respectively extends an intermediate plate (52a) from opening two walls in this hole, is used for clamping and holding this axis (4) in this hole (52).

7. according to each described photography foot rest in the claim 1 to 4, it is characterized in that, this noumenal seat (1) is provided with the extending arm (12) that the upper end with this pin pipe fitting (2) is rotatably connected, and the end of this extending arm (12) has a plurality of projections (13) that are used to control this pin pipe fitting (2) open angle.

8. photography foot rest according to claim 7 is characterized in that, this pin pipe fitting (2) has the spacing regulating block (22) that matches with this projection (13).

9. according to each described photography foot rest in the claim 1 to 4, it is characterized in that this photography has three pin pipe fittings with foot rest, this cage knob is placed in wherein between two pin pipe fittings.

10. according to each described photography foot rest in the claim 1 to 4, it is characterized in that, this cage knob (16) has the interior projection of opening on the sidewall that enters this noumenal seat (1) that can pivot, and be provided with the elastic component that links to each other with this noumenal seat in this opening, this projection can be oppressed this elastic component and is close on the outer wall of this tray deck.

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