CN220910978U - Photographic equipment fixing device - Google Patents
Photographic equipment fixing device Download PDFInfo
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- CN220910978U CN220910978U CN202321747187.2U CN202321747187U CN220910978U CN 220910978 U CN220910978 U CN 220910978U CN 202321747187 U CN202321747187 U CN 202321747187U CN 220910978 U CN220910978 U CN 220910978U
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- teeth
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- lock cylinder
- fixing device
- locking screw
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- 230000000694 effects Effects 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a photographic equipment fixing device, comprising: the device comprises a device main body, a fixed seat and a locking screw; the device main body is provided with a plurality of first teeth, and the fixing seat is provided with a plurality of second teeth; the lock cylinder is arranged in the third through hole and can slide along the axial direction of the third through hole, and a plurality of third teeth matched with the plurality of first teeth and a plurality of fourth teeth matched with the plurality of second teeth are arranged on the lock cylinder; the force application piece is arranged between the locking screw rod and the lock cylinder, and when the locking screw rod is locked, the force application piece pushes the lock cylinder to enable the third teeth to be meshed with the first teeth and the fourth teeth to be meshed with the second teeth. The photographic equipment fixing device can be used for fixing the photographic equipment, and the locking screw is loosened when the pitching angle is required to be adjusted, the lock cylinder can slide in the third through hole, the third tooth and the fourth tooth on the lock cylinder are respectively completely separated from the first tooth and the second tooth, and the teeth cannot be worn when the device main body is rotated, so that the effect of reducing wear is achieved.
Description
Technical Field
The utility model relates to the technical field of rotating shafts, in particular to a photographic equipment fixing device.
Background
At present, with the increasing use of mobile phones in daily life, especially in the internet age, the public generally uses mobile phones to take photos or live webcasts. The mobile phone is often inconvenient to shoot or live broadcast, so people often use a mobile phone clamp to fix the mobile phone for shooting. In order to adjust the shooting angle, the existing mobile phone clamp can rotate on a base through a rotating shaft structure, and the base can be directly placed on a plane such as a desktop or installed on a cradle head through an interface for use.
The current rotating shaft structure generally comprises an inverted U-shaped groove arranged on a mobile phone clamp and a rotating head matched with the U-shaped groove and arranged on a base, wherein the rotating head is positioned inside the inverted U-shaped groove, and one end of a locking screw rod is connected with a nut after passing through the inverted U-shaped groove and the rotating head. In order to prevent the U-shaped groove and the rotating head from rotating relatively, a plurality of teeth are arranged on the opposite surfaces of the U-shaped groove and the rotating head. In this kind of rotation axis structure, when needing angle regulation, need loosen the locking screw rod, the locking force between the U-shaped groove of falling and the rotation head can disappear this moment, under the elastic effect of plastics, the tooth on U-shaped groove and the rotation head just can separate to angle regulation. However, since the U-shaped groove and the teeth on the rotating head are not completely disengaged during adjustment, frictional wear between the teeth is large, and after a certain period of use, the locking force is reduced, resulting in a reduction in the locking effect.
Disclosure of Invention
Therefore, in view of the above-mentioned prior art, the present utility model provides a fixing device for a photographic device, which aims to solve the problems of the prior art that the abrasion to teeth is large during the angle adjustment process of the fixing device for a mobile phone, and the locking force is reduced after a period of use, resulting in the reduction of the locking effect.
In order to solve the above technical problems, the present utility model provides a fixing device for a photographing apparatus, comprising:
The device comprises a device main body, a first connecting piece and a second connecting piece, wherein the device main body is provided with a first connector, the first connector comprises a first connecting block and a second connecting block which are oppositely arranged, and a slot is formed between the first connecting block and the second connecting block;
The fixing seat is provided with a second connector which is inserted into the slot, and a third through hole is formed in the second connector;
A locking screw having a head end and a tail end, the head end of the locking screw passing through the first through hole, the third through hole and the second through hole and then being connected to the locking nut;
The inner side of the first connecting block or the second connecting block is provided with a plurality of first teeth which are arranged along the circumferential direction by taking the central axis of the locking screw as the center, and the second joint is provided with a plurality of second teeth which are arranged along the circumferential direction by taking the central axis of the locking screw as the center;
the lock cylinder is arranged in the third through hole and can slide along the axial direction of the third through hole, and a plurality of third teeth matched with the first teeth and a plurality of fourth teeth matched with the second teeth are arranged on the lock cylinder; the force application piece is arranged between the locking screw rod and the lock cylinder, and when the locking screw rod is locked, the force application piece pushes the lock cylinder to enable the third teeth to be meshed with the first teeth and the fourth teeth to be meshed with the second teeth.
According to the photographic equipment fixing device, as the first teeth are arranged on the inner side of the first connecting block or the second connecting block, the second connector is provided with the second teeth, the lock cylinder is arranged in the third through hole and can slide along the axial direction of the third through hole, the lock cylinder is provided with the third teeth matched with the first teeth and the fourth teeth matched with the second teeth, when the locking screw is locked, the force application piece pushes the lock cylinder to enable the third teeth to be meshed with the first teeth and the fourth teeth to be meshed with the second teeth, and therefore the device main body and the fixing seat cannot rotate relatively, and the locking and positioning effects are achieved. When the pitching angle needs to be adjusted, the locking screw rod is loosened, the lock cylinder can slide in the third through hole, the third tooth and the fourth tooth on the lock cylinder are respectively completely separated from the first tooth and the second tooth, and the teeth cannot be worn when the device main body is rotated, so that the effect of reducing wear is achieved, and the problem that the locking effect is reduced due to the fact that the locking force is reduced after a period of use is avoided.
In one embodiment, the outer side surface of the lock cylinder is in a step shape and comprises a thick section with a larger outer diameter, a thin section with a smaller outer diameter and a first step surface between the thick section and the thin section, and the fourth teeth are arranged on the first step surface; the inner wall of the third through hole is also in a step shape and comprises a large hole wall with a larger diameter, a small hole wall with a smaller diameter and a second step surface between the large hole wall and the small hole wall, and the second teeth are arranged on the second step surface.
In one embodiment, the first tooth is arranged on the inner side of the second connection block, and the third tooth is arranged on the end face of the lock cylinder facing the second connection block.
In one embodiment, the first tooth protrudes from the inner side surface of the second connecting block, and a groove for avoiding the first tooth is formed in the side surface of the second joint facing the second connecting block.
In one embodiment, the force application member has a cylindrical structure and is disposed in the first through hole, a first end of the force application member contacts an end surface of the lock cylinder facing the first connection block, and the locking screw passes through a central hole of the force application member.
In one embodiment, the central hole of the force application member is a stepped hole, and the central hole comprises a large hole and a small hole which are sequentially connected along the direction from the first connecting block to the second connecting block, wherein the tail end part of the locking screw is positioned in the large hole, and the rod part of the locking screw is positioned in the small hole.
In one embodiment, the second end of the force application member extends out of the first through hole and is provided with a handle portion at the end.
In one embodiment, the first through hole is a step hole, and the outer side surface of the force application member is in a step shape matched with the first through hole.
In one embodiment, the device body includes: one end of the supporting arm is provided with the first joint; and the mobile phone clip assembly is rotatably arranged at the other end of the supporting arm.
In one embodiment, the fixing base is provided with an interface connected with other accessories.
The advantageous effects of the additional technical features of the present utility model will be described in the detailed description section of the present specification.
Drawings
Fig. 1 is a schematic perspective view of a photographic apparatus fixing device in one embodiment of the present utility model;
FIG. 2 is an exploded view of FIG. 1;
Fig. 3 is a front view of a photographing apparatus fixing device in one embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of FIG. 4 at C;
fig. 6 is a schematic perspective view of a lock cylinder of a photographing apparatus fixing device according to one embodiment of the present utility model;
Fig. 7 is a schematic perspective view of a fixing base of a fixing device for a photographing apparatus according to one embodiment of the present utility model.
Reference numerals illustrate:
10. A device body; 11. a first connection block; 111. a first through hole; 12. a second connection block; 121. a second through hole; 122. a first tooth; 13. a slot; 14. a support arm; 15. a handset clip assembly; 20. a fixing seat; 21. a second joint; 211. a second tooth; 22. a third through hole; 221. a large hole wall; 222. a small hole wall; 30. locking the screw rod; 31. a head end portion; 32. a tail end portion; 33. a stem portion; 40. a lock cylinder; 41. a third tooth; 42. a fourth tooth; 43. a thick section; 44. a thin section; 50. a force application member; 51. a central bore; 52. a large hole; 53. a small hole; 54. a handle portion; 60. and (3) a nut.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It is apparent that the specific details described below are only some of the embodiments of the present utility model and that the present utility model may be practiced in many other embodiments that depart from those described herein. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In this document, when an element is referred to as being "fixed to" 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 terms front, rear, upper, lower, etc. are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only used for the clarity and convenience of the expression technical scheme. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1, 2 and 5, the photographing apparatus fixing device in one embodiment of the present utility model includes a device body 10, a fixing base 20, a locking screw 30, a lock cylinder 40 and a force application member 50.
The device body 10 includes a first connector, and the first connector includes two first connection blocks 11 and a second connection block 12 that are oppositely disposed, and a slot 13 is disposed between the two connection blocks. The first connection block 11 and the second connection block 12 are provided with a first through hole 111 and a second through hole 121, respectively. The second connection block 12 is provided at an inner side thereof with a plurality of first teeth 122 arranged in a circumferential direction centering on a central axis of the locking screw. Alternatively, the first teeth 122 may be provided on the inner side of the first connection block 11. The holder 20 comprises a second connector 21, which second connector 21 is inserted into the slot 13 and is provided with a third through hole 22. The second joint 21 is also provided with a plurality of second teeth 211 arranged in the circumferential direction centering on the central axis of the locking screw. The locking screw 30 has a head end 31 and a tail end 32, and the head end 31 of the locking screw 30 passes through the first through hole 111, the third through hole 22, and the second through hole 121 in order, and is then connected to the locking nut 60.
The lock cylinder 40 is located in the third through hole 22 and is slidable in the axial direction of the third through hole 22. The lock cylinder 40 is provided with a plurality of third teeth 41 engaged with the plurality of first teeth 122 and a plurality of fourth teeth 42 engaged with the plurality of second teeth 211. The force application member 50 is disposed between the lock screw 30 and the lock cylinder 40. When the locking screw 30 is locked, the force applying member 50 pushes the lock cylinder 40 so that the plurality of third teeth 41 are engaged with the plurality of first teeth 122 and the plurality of fourth teeth 42 are engaged with the plurality of second teeth 211.
In the above-mentioned photographic apparatus fixing device, since the inner side of the second connecting block 12 is provided with the plurality of first teeth 122, the second joint 21 is provided with the plurality of second teeth 211, the lock cylinder 40 is disposed in the third through hole 22 and can slide along the axial direction of the third through hole 22, the lock cylinder 40 is provided with the plurality of third teeth 41 matched with the plurality of first teeth 122 and the plurality of fourth teeth 42 matched with the plurality of second teeth 211, when the lock cylinder 40 is pushed by the force application member 50, the plurality of third teeth 41 are engaged with the plurality of first teeth 122, and the plurality of fourth teeth 42 are engaged with the plurality of second teeth 211, so that the apparatus main body and the fixing seat 20 cannot rotate relatively, and the positioning effect is achieved. When the pitching angle needs to be adjusted, the locking screw 30 is loosened, at this time, the lock cylinder 40 can slide in the third through hole 22, the third tooth 41 and the fourth tooth 42 on the lock cylinder 40 are respectively completely separated from the first tooth 122 and the second tooth 211, and at this time, abrasion is not caused to the teeth when the device main body is rotated, so that the effects of reducing abrasion are achieved, the locking effect is improved, and the service life is prolonged.
Referring to fig. 6 and 7, in one embodiment, the outer side surface of the lock cylinder 40 is in a stepped shape, including a thick section 43 having a larger outer diameter, a thin section 44 having a smaller outer diameter, and a first stepped surface between the thick section 43 and the thin section 44, and the fourth tooth 42 is disposed on the first stepped surface. The inner wall of the third through hole 22 is also in a step shape, and includes a large hole wall 221 with a larger diameter, a small hole wall 222 with a smaller diameter, and a second step surface between the large hole wall 221 and the small hole wall 222, on which the second tooth 211 is disposed. Such a design makes the lock cylinder 40 simple in structure and convenient to process.
In one embodiment, the first tooth 122 is disposed on the inside of the second connection block 12 and the third tooth 41 is disposed on the end face of the lock cylinder 40 facing the second connection block 12. This design allows the first tooth 122 and the third tooth 41 to mate accurately, improving the stability of the fixture.
In one embodiment, the first teeth 122 protrude from the inner side of the second connection block 12, and a groove for avoiding the first teeth 122 is provided on the side of the second joint 21 facing the second connection block 12. The design can provide multiple pattern selection for tooth form processing without affecting the tooth form matching precision, and is beneficial to production. Alternatively, the first teeth 122 may be recessed on the inner side of the second connecting block 12.
In one embodiment, the force applying member 50 has a cylindrical structure and is disposed in the first through hole 111, a first end of which contacts an end surface of the lock cylinder 40 facing the first connection block 11, and the locking screw 30 passes through a central hole of the force applying member 50. In such a design, the biasing member 50 uniformly biases the lock cylinder 40.
Referring to fig. 5, in one embodiment, the central hole 51 of the force application member 50 is a stepped hole including a large hole 52 and a small hole 53 connected in sequence in a direction from the first connection block 11 to the second connection block 12, wherein the tail end portion 32 of the locking screw 30 is located in the large hole 52 and the rod portion 33 of the locking screw 30 is located in the small hole 53. By way of example, the large aperture 52 is an internal hexagonal aperture and the tail end 32 of the locking screw 30 is hexagonal.
Referring to fig. 1 and 2, in one embodiment, the second end of the force application member 50 extends out of the first through hole 111 and is provided with a handle portion 54 at that end. Such a design enables the user to directly operate the force application member 50, improving the convenience of operation of the fixing device.
In one embodiment, the first through hole 111 is a stepped hole, and the outer side of the force application member 50 has a stepped shape that mates with the first through hole 111. Such a design enables the force application member 50 to be accurately inserted into the first through hole 111, improving stability and operational convenience of the fixing device.
As an example, the device body is used for clamping a mobile phone, and comprises a supporting arm 14 and a mobile phone clamp assembly 15, wherein the upper end of the supporting arm 14 is rotatably connected with the mobile phone clamp assembly 15, and the lower end of the supporting arm 14 is provided with the first joint. The mobile phone clip assembly 15 is a prior art and will not be described in detail herein.
In one embodiment, the holder is provided with an interface (not shown) for connection to other fittings, such as a 1/4 inch standard screw or cold boot interface.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. A photographic apparatus fixing device, comprising:
The device comprises a device main body, a first connecting piece and a second connecting piece, wherein the device main body is provided with a first connector, the first connector comprises a first connecting block and a second connecting block which are oppositely arranged, and a slot is formed between the first connecting block and the second connecting block;
The fixing seat is provided with a second connector which is inserted into the slot, and a third through hole is formed in the second connector;
A locking screw having a head end and a tail end, the head end of the locking screw passing through the first through hole, the third through hole and the second through hole and then being connected to the locking nut;
The locking device is characterized in that a plurality of first teeth which are arranged along the circumferential direction by taking the central axis of the locking screw as the center are arranged on the inner side of the first connecting block or the second connecting block, and a plurality of second teeth which are arranged along the circumferential direction by taking the central axis of the locking screw as the center are arranged on the second joint;
the lock cylinder is arranged in the third through hole and can slide along the axial direction of the third through hole, and a plurality of third teeth matched with the first teeth and a plurality of fourth teeth matched with the second teeth are arranged on the lock cylinder; the force application piece is arranged between the locking screw rod and the lock cylinder, and when the locking screw rod is locked, the force application piece pushes the lock cylinder to enable the third teeth to be meshed with the first teeth and the fourth teeth to be meshed with the second teeth.
2. The photographic apparatus fixing device according to claim 1, wherein the outer side surface of the lock cylinder is in a stepped shape, and includes a thick section having a larger outer diameter, a thin section having a smaller outer diameter, and a first stepped surface between the thick section and the thin section, the fourth tooth being provided on the first stepped surface; the inner wall of the third through hole is also in a step shape and comprises a large hole wall with a larger diameter, a small hole wall with a smaller diameter and a second step surface between the large hole wall and the small hole wall, and the second teeth are arranged on the second step surface.
3. The photographic apparatus fixing device according to claim 2, wherein the first tooth is provided on an inner side of the second connection block, and the third tooth is provided on an end surface of the lock cylinder facing the second connection block.
4. A photographic apparatus fixing device according to claim 3, wherein the first teeth protrude from an inner side surface of the second connection block, and a groove for avoiding the first teeth is provided on a side surface of the second joint facing the second connection block.
5. A photographic apparatus fixing device according to claim 3, wherein the urging member has a cylindrical structure and is disposed in the first through hole, a first end thereof being in contact with an end face of the lock cylinder facing the first connecting block, and the lock screw passing through a center hole of the urging member.
6. The photographic apparatus fixing device according to claim 5, wherein the center hole of the urging member is a stepped hole including a large hole and a small hole connected in order in a direction from the first connection block to the second connection block, wherein a tail end portion of the locking screw is located in the large hole, and a rod portion of the locking screw is located in the small hole.
7. The photographic apparatus fixing device of claim 5, wherein the second end of the urging member protrudes out of the first through hole, and a handle portion is provided at the end.
8. The photographic apparatus fixing device of claim 5, wherein the first through hole is a stepped hole, and an outer side surface of the urging member is in a stepped shape to be fitted with the first through hole.
9. The photographic apparatus fixing device according to any one of claims 1 to 8, wherein the device main body includes:
one end of the supporting arm is provided with the first joint; and
And the mobile phone clip assembly is rotatably arranged at the other end of the supporting arm.
10. The photographic apparatus fixing device of any one of claims 1 to 8, wherein the fixing base is provided with an interface for connecting with other accessories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747187.2U CN220910978U (en) | 2023-07-04 | 2023-07-04 | Photographic equipment fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747187.2U CN220910978U (en) | 2023-07-04 | 2023-07-04 | Photographic equipment fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910978U true CN220910978U (en) | 2024-05-07 |
Family
ID=90920991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747187.2U Active CN220910978U (en) | 2023-07-04 | 2023-07-04 | Photographic equipment fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910978U (en) |
-
2023
- 2023-07-04 CN CN202321747187.2U patent/CN220910978U/en active Active
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