CN212156315U

CN212156315U - Support structure and camera

Info

Publication number: CN212156315U
Application number: CN202020263534.4U
Authority: CN
Inventors: 程韭叶; 金立合
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-15
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a supporting structure and camera, include: the support comprises a support body, wherein the support body comprises a connecting shaft, a ratchet wheel is arranged on the connecting shaft, a first anti-rotation surface is arranged on the outer wall of the connecting shaft, a second anti-rotation surface is arranged on the shaft hole wall of the ratchet wheel, the ratchet wheel is sleeved on the connecting shaft, and the first anti-rotation surface is clamped with the second anti-rotation surface; and the connecting shaft is assembled and connected with the shell cover, an elastic pressing piece and a pawl abutted against the elastic pressing piece are arranged on the shell cover, and the pawl is clamped with the ratchet wheel. After the shell cover and the support body are assembled, the pawl can be firmly pressed on the ratchet wheel under the action of elastic abutting thrust of the elastic abutting piece, namely the pawl can stop the ratchet wheel, the reverse rotation of the ratchet wheel relative to the pawl is effectively limited, the purpose of preventing the camera main body from reversely rotating and loosening relative to the support structure is achieved, and the service performance and the reliability of a camera product are improved.

Description

Support structure and camera

Technical Field

The utility model relates to a camera technical field especially relates to a supporting structure and camera.

Background

Conventionally, a camera generally includes a camera mount and a camera body, and in order to facilitate assembly and disassembly while adjusting a shooting angle of the camera body, the camera body is generally assembled and fixed with the camera mount by using a threaded connection structure of a stud and a nut. However, under the influence of external vibration or infirm assembly and other factors, the stud and the nut are easy to loosen, so that the camera body reversely rotates and loosens from the camera support, and normal use of the product is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, there is a need for a support structure and a camera, which aims to solve the problem that the camera body is easy to rotate reversely and loosen relative to the camera support in the prior art.

The technical scheme is as follows:

in one aspect, the present application provides a support structure comprising:

the support comprises a support body, wherein the support body comprises a connecting shaft, a ratchet wheel is arranged on the connecting shaft, a first anti-rotation surface is arranged on the outer wall of the connecting shaft, a second anti-rotation surface is arranged on the shaft hole wall of the ratchet wheel, the ratchet wheel is sleeved on the connecting shaft, and the first anti-rotation surface is clamped with the second anti-rotation surface; and

the connecting shaft is assembled and connected with the shell cover, an elastic pressing piece and a pawl abutted against the elastic pressing piece are arranged on the shell cover, and the pawl is clamped with the ratchet wheel.

The support structure of the scheme is applied to installation in a camera product, and is specifically used for installing and fixing the camera main body so as to prevent the camera main body from being loosened by accidental reverse rotation. Specifically, when the camera is used, the ratchet wheel can be fixedly sleeved on the connecting shaft through the clamping of the first anti-rotation surface and the second anti-rotation surface, the camera main body is arranged on the shell cover, and the shell cover is internally provided with the elastic pressing piece and the pawl connected with the elastic pressing piece; after the shell cover and the support body are assembled, the pawl can be firmly pressed on the ratchet wheel under the action of elastic abutting thrust of the elastic abutting piece, namely the pawl can stop the ratchet wheel, the reverse rotation of the ratchet wheel relative to the pawl is effectively limited, the purpose of preventing the camera main body from reversely rotating and loosening relative to the support structure is achieved, and the service performance and the reliability of a camera product are improved.

The technical solution of the present application is further described below:

in one embodiment, the first anti-rotation surfaces are two and oppositely arranged at intervals, the second anti-rotation surfaces are also two and oppositely arranged at intervals, and the first anti-rotation surfaces and the second anti-rotation surfaces are correspondingly clamped one by one.

In one embodiment, the support structure further comprises a yielding gasket, a clamping groove is concavely formed in the side face of the ratchet wheel, the yielding gasket is clamped in the clamping groove, a threaded structure is further arranged on the outer wall of the connecting shaft, and the yielding gasket is used for being matched with the threaded structure in an interference prevention mode.

In one embodiment, the shell cover comprises an outer cover, a rear cover and a pressing cover, the rear cover is nested in the outer cover, the inner wall of the outer cover is provided with an assembling box, the rear wall of the outer cover is provided with a through hole, and the ratchet wheel penetrates through the through hole and extends into the inner cavity of the outer cover; the pawl is arranged in the assembly box, the gland is arranged on the rear shell, and the elastic pressing piece is abutted between the pawl and the inner wall of the assembly box.

In one embodiment, the rear housing is provided with a recess, and the gland and the pawl are embedded in the recess.

In one embodiment, the assembling box is provided with a first clamping part, the pressing cover is provided with a second clamping part, and the first clamping part is in clamping connection with the second clamping part.

In one embodiment, the shell cover further comprises a screw, the assembly box is further provided with a connecting column, the connecting column is provided with a screw hole, the press cover is provided with a through hole aligned with the screw hole, the rear shell is provided with a mounting hole corresponding to the through hole, and the screw penetrates through the mounting hole and the through hole in sequence and then is fixed with the screw hole in a threaded manner.

In one embodiment, the pawl is provided with a sliding groove, and the assembling box is further provided with a sliding rail which is slidably arranged in the sliding groove.

In one embodiment, the pawl is further provided with a shift lever.

Furthermore, the present application also provides a camera comprising a mounting structure as described above.

Drawings

Fig. 1 is a schematic view of an assembly structure of a camera according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the housing of FIG. 2;

FIG. 4 is a schematic structural view of the stent body in FIG. 2;

FIG. 5 is a schematic view of the pawl of FIG. 2;

fig. 6 is an exploded view of the ratchet and the abdicating washer of fig. 2.

Description of reference numerals:

10. a stent body; 11. a connecting shaft; 111. a first anti-rotation face; 112. a thread structure; 20. a ratchet wheel; 21. a second anti-rotation face; 22. a card slot; 30. an elastic pressing member; 40. a pawl; 41. a chute; 42. a deflector rod; 50. a yielding washer; 60. a housing; 61. a first perforation; 70. a rear housing; 71. a recess; 72. a second perforation; 73. mounting holes; 80. a gland; 81. a second card portion; 82. a via hole; 90. assembling a box; 91. a first engaging portion; 92. connecting columns; 93. a slide rail; 100. a screw; 200. a camera body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to," "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

The present application claims a camera, which may be any type and operation principle of camera products in the field of cameras, and is not limited specifically herein. The camera is mainly composed of a camera main body 200 and a support structure. As is readily understood, the camera main body 200 is a direct execution unit for taking an image or video of a video. The supporting structure is used for mounting and fixing the camera main body 200, so that the camera can be used alone or integrated to other equipment.

As shown in fig. 1 and 2, which illustrate the camera according to the embodiment of the present application, the camera main body 200 on the right side is mounted on the stand structure on the left side.

Specifically, the support structure includes: a bracket body 10 and a shell. The housing is used for carrying and mounting the camera main body 200 and enabling the camera main body 200 to be fixed to the stand body 10. The stand body 10 is formed in an L-shaped configuration, i.e., includes a bottom plate and a pillar fixed to the bottom plate. The bottom plate is a large-area rectangular plate body, and the contact area of the bottom plate and a supporting object is large, so that the bottom plate is more stable to place. In addition, in order to adapt to different factory occasions or users with different elevations, the support is preferably designed into a telescopic column structure with adjustable lifting, such as a telescopic adjusting structure adopting bolt threads and the like.

With reference to fig. 2, fig. 4 and fig. 6, in addition, the rack body 10 is provided with a ratchet 20. Specifically, the bracket body 10 includes a connecting shaft 11, and the ratchet 20 is directly fixed on the connecting shaft 11 in a sleeving manner. In order to ensure that the ratchet wheel 20 is firmly installed and cannot be loosened and rotated, in an embodiment, the outer wall of the connecting shaft 11 is provided with a first anti-rotation surface 111, the shaft hole wall of the ratchet wheel 20 is provided with a second anti-rotation surface 21, the ratchet wheel 20 is sleeved on the connecting shaft 11, and the first anti-rotation surface 111 is clamped with the second anti-rotation surface 21. Therefore, the first rotation preventing surface 111 and the second rotation preventing surface 21 are matched and clamped, so that the ratchet wheel 20 and the connecting shaft 11 can be assembled and fastened relatively, the rotation freedom degree of the ratchet wheel 20 is effectively limited, and the problem is avoided.

In this embodiment, the number of the first anti-rotation surfaces 111 is two, and specifically, the first anti-rotation surfaces 111 are planes disposed on the arc-shaped outer wall of the connecting shaft 11, and the two first anti-rotation surfaces 111 are arranged at an interval in an opposite manner. Similarly, the number of the second anti-rotation surfaces 21 is also two, and specifically is a plane provided on the shaft hole wall of the ratchet 20, and the two second anti-rotation surfaces 21 are also oppositely arranged at intervals. After the ratchet 20 is assembled with the connecting shaft 11, the two first rotation-preventing surfaces 111 and the two second rotation-preventing surfaces 21 are correspondingly engaged one by one, so as to further limit the circumferential rotation of the ratchet 20.

The support body 10 is assembled and connected with the shell cover, the ratchet wheel 20 extends into the shell cover, an elastic pressing piece 30 and a pawl 40 which is abutted against the elastic pressing piece 30 are arranged on the shell cover, and the pawl 40 is clamped with the ratchet wheel 20.

To sum up, the implementation of the technical scheme of the application has the following beneficial effects: the support structure of the scheme is applied to installation in a camera product, and is particularly used for installing and fixing the camera main body 200 so as to prevent the camera main body 200 from being loosened by accidental reverse rotation. Specifically, when in use, the camera body 200 is mounted on the housing, and the elastic pressing member 30 and the pawl 40 connected to the elastic pressing member 30 are arranged in the housing; after the shell and the bracket body 10 are assembled, the pawl 40 can be firmly pressed on the ratchet wheel 20 under the action of elastic abutting thrust of the elastic abutting part 30, namely, the pawl 40 can stop the ratchet wheel 20, so that the reverse rotation of the ratchet wheel 20 relative to the pawl 40 is effectively limited, the aim of preventing the camera main body 200 from reversely rotating and loosening relative to the bracket structure is fulfilled, and the service performance and the reliability of a camera product are improved.

With continued reference to fig. 1, 2 and 6, in the present embodiment, the housing cover includes an outer cover 60, a rear shell 70 and a pressing cover 80, the rear shell 70 is nested in the outer cover 60, and the camera main body 200 can be installed inside the rear shell 70. Referring to fig. 2, the rear housing 70 is further provided with a recess 71, and the pressing cover 80 and the pawl 40 are embedded in the recess 71. Because the gland 80 and the pawl 40 are embedded in the concave part 71, the depth of the concave part 71 can offset the thickness of the gland 80 and the pawl 40, so that the overall thickness of the camera is effectively reduced, the miniaturized design of the product size is realized, and the camera is more convenient to apply and carry.

In addition, the support structure further comprises an abdicating gasket 50, a clamping groove 22 is concavely arranged on the side surface of the ratchet wheel 20, the abdicating gasket 50 is clamped in the clamping groove 22, and the abdicating gasket 50 plays a role in mounting and locking.

The outer wall of the connecting shaft 11 is also provided with a thread structure 112. The rear wall of the outer cover 60 is provided with a first through hole 61 matched with the shape and size of the ratchet wheel 20, the rear shell 70 is also provided with a second through hole 72 coaxially arranged with the first through hole 61, the ratchet wheel 20 can extend into the outer cover 60 through the first through hole 61, the part of the connecting shaft 11 provided with the thread structure 112 further passes through the second through hole 72, and finally, the connecting shaft 11 (namely the support body 10) and the outer cover 60 are fixedly integrated with the rear shell 70 in an assembling mode through nuts and the thread structure 112 in a locking mode. By installing the abdicating washer 50 on the ratchet 20, the bracket body 10 is locked by the deformation of the abdicating washer 50 when being installed, and the outer cover 60 is not clamped at the outer diameter of the teeth of the ratchet 20.

Optionally, the abdicating washer 50 is an elastic washer made of silicone material.

In this scheme, the inner wall of dustcoat 60 is equipped with assembly box 90, and assembly box 90 is the open box body structure of integrated into one piece on dustcoat 60 inner wall, specifically speaking, this open box body structure includes two rectangle box bodies, and two rectangle box bodies are connected as an organic wholely through the short slab, and two rectangle box bodies are symmetrical structure. The rectangular box body is enclosed by a circle of continuous convex plates protruding from the inner wall of the outer cover 60, and the rectangular box body is opened at one side far away from the inner wall of the outer cover 60. The pawl 40 is disposed in the assembly box 90, the gland 80 is disposed on the assembly box 90, and the elastic pressing member 30 is abutted between the pawl 40 and the inner wall of the assembly box 90. Thus, by means of the limiting and restraining effects of the pawl 40 and the inner wall of the assembly box 90, the elastic pressing piece 30 can be in a pre-compression state after being installed in place, the elastic pressing piece 30 can elastically press and push the pawl 40, the pawl 40 is pressed towards the ratchet wheel 20, the pawl 40 can be meshed with the ratchet teeth of the ratchet wheel 20, and the ratchet wheel 20 can only rotate in the expected direction, but cannot rotate reversely to release. For example, the teeth on the face of the ratchet wheel 20 are all inclined towards the clockwise direction, the pawl 40 is clamped into the tooth slot on the ratchet wheel 20 by the elastic force of the elastic pressing piece 30, at this time, the ratchet wheel 20 can only rotate around the counterclockwise direction, and the ratchet wheel 20 cannot rotate along the clockwise direction because the pawl 40 is pressed against the teeth.

Alternatively, the elastic pressing element 30 in this case may be, but is not limited to, a spring, a rubber column, an elastic sheet, etc.; preferably, the elastic pressing member 30 is a spring.

Referring to fig. 2 and fig. 3, in the present embodiment, the pressing cover 80 is adapted to the assembling box 90 in shape and size, and the pressing cover and the assembling box can form a relatively complete closed box after being assembled and covered. In order to assemble and fix the pressing cover 80 and the assembling box 90, in an embodiment, the assembling box 90 is provided with a first clamping portion 91, the pressing cover 80 is provided with a second clamping portion 81, and the first clamping portion 91 is in snap-fit connection with the second clamping portion 81. Therefore, the first clamping part 91 is connected with the second clamping part 81 in a clamping manner, the gland 80 and the assembling box 90 can be quickly and firmly assembled and fixed, and the clamping connection structure is simple in structure, convenient to assemble and disassemble and high in connection strength.

Preferably, in order to further ensure the connection strength, the number of the first clamping portions 91 and the second clamping portions 81 is two or more, and the first clamping portions and the second clamping portions are connected in a one-to-one correspondence manner.

Of course, in other embodiments, besides the above-mentioned snap connection structure, the pressing cover 80 and the assembling box 90 may also adopt other assembling structures in the prior art, such as screw connection, magnetic connection, riveting, etc., which can be selected according to the actual needs of those skilled in the art.

In addition, the shell cover further comprises a screw 100, the assembling box 90 is further provided with a connecting column 92, the connecting column 92 is provided with a screw hole, the gland 80 is provided with a through hole 82 aligned with the screw hole, the rear shell 70 is provided with a mounting hole 73 corresponding to the through hole 82, and the screw 100 sequentially penetrates through the mounting hole 73 and the through hole 82 and then is fixed with the screw hole in a threaded manner. Therefore, the assembling box 90 and the gland 80 can be further locked and fixed through the screw 100 and the screw hole preset on the connecting column 92, the assembling strength is improved, and the stability of the whole structure of the camera is improved.

In this embodiment, when it is necessary to rotate the camera body 200, the operating pawl 40 is disengaged from the ratchet teeth of the ratchet 20, and then the housing is rotated. In the prior art, the pawl 40 is disengaged from the ratchet wheel 20 by rotating, and then the ratchet wheel 20 can rotate, but the rotation of the pawl 40 has high requirement on space, which results in large and bulky overall camera. Based on this, in the present embodiment, the pawl 40 is disengaged from the ratchet 20 by linear sliding. In one embodiment, the pawl 40 is further provided with a lever 42. The deflector rod 42 is a force applying body for deflecting the pawl 40, and is convenient for a user to operate. In addition, the pawl 40 is provided with a sliding groove 41, and the assembling box 90 is further provided with a sliding rail 93, wherein the sliding rail 93 is slidably arranged in the sliding groove 41. When the lever 42 is pulled, the pawl 40 can slip away from the ratchet 20 to restore the freedom of the ratchet 20, and the camera body 200 can rotate freely. In the sliding process of the pawl 40, the sliding rail 93 slides in the sliding groove 41, so that the movement of the pawl 40 can be guided and limited, and the stable movement of the pawl 40 is ensured. Preferably, the number of the sliding grooves 41 and the sliding rails 93 is two, and the sliding grooves are in one-to-one sliding fit, so that the pawl 40 is more uniform in guiding force and more stable and reliable in movement, and the phenomenon that the pawl is stuck when being inclined towards one side can be effectively prevented.

It will be appreciated that when the pawl 40 is toggled, the resilient abutment 30 is progressively compressed to gather energy; after the angle of the camera body 200 is adjusted, only the shift lever 42 needs to be loosened, and under the action of the elastic reset force of the elastic pressing piece 30, the pawl 40 can automatically slide and reset to be meshed with the ratchet on the ratchet wheel 20 again, so that the ratchet wheel 20 is fixed at the current position without being reversely rotated and loosened, and the use experience and performance of the camera are guaranteed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A support structure, comprising:

2. The support structure according to claim 1, wherein the first rotation preventing surfaces are two and oppositely arranged at intervals, the second rotation preventing surfaces are also two and oppositely arranged at intervals, and the first rotation preventing surfaces and the second rotation preventing surfaces are correspondingly engaged one by one.

3. The support structure according to claim 2, characterized in that the support structure further comprises a yielding gasket, a clamping groove is concavely formed in the side surface of the ratchet wheel, the yielding gasket is clamped in the clamping groove, a threaded structure is further arranged on the outer wall of the connecting shaft, and the yielding gasket is used for being matched with the threaded structure in an interference-proof manner.

4. The support structure of claim 1, wherein the housing cover comprises an outer cover, a rear cover and a pressing cover, the rear cover is nested in the outer cover, a fitting box is arranged on the inner wall of the outer cover, a through hole is formed in the rear wall of the outer cover, and the ratchet wheel penetrates through the through hole and extends into the inner cavity of the outer cover; the pawl is arranged in the assembly box, the gland is arranged on the rear shell, and the elastic pressing piece is abutted between the pawl and the inner wall of the assembly box.

5. The support structure of claim 4, wherein the rear shell is provided with a recess, and the gland and the pawl are fitted in the recess.

6. The support structure of claim 4, wherein the fitting box is provided with a first catching portion, and the pressing cover is provided with a second catching portion, the first catching portion being snap-coupled with the second catching portion.

7. The support structure of claim 4, wherein the shell cover further comprises a screw, the assembly box is further provided with a connecting column, the connecting column is provided with a screw hole, the pressing cover is provided with a through hole aligned with the screw hole, the rear shell is provided with a mounting hole corresponding to the through hole, and the screw passes through the mounting hole and the through hole in sequence and then is fixed with the screw hole in a threaded manner.

8. The support structure of claim 4, wherein the pawl defines a slide slot, and the assembly box further defines a slide rail slidably disposed within the slide slot.

9. The support structure of claim 8, wherein the pawl is further provided with a lever.

10. A camera comprising a mounting structure according to any one of claims 1 to 9.