CN118009181A - Locking device for photographic equipment - Google Patents
Locking device for photographic equipment Download PDFInfo
- Publication number
- CN118009181A CN118009181A CN202410291541.8A CN202410291541A CN118009181A CN 118009181 A CN118009181 A CN 118009181A CN 202410291541 A CN202410291541 A CN 202410291541A CN 118009181 A CN118009181 A CN 118009181A
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- Prior art keywords
- stop block
- locking
- hole
- block
- photographic equipment
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- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Accessories Of Cameras (AREA)
Abstract
The invention discloses a locking device for photographic equipment, which comprises a base and a locking component, wherein the base is provided with a center shaft through hole for a center shaft to be inserted and an installation groove communicated with the center shaft through hole, the locking component comprises a first stop block and a second stop block which are both arranged in the installation groove, the first stop block can move up and down along the installation groove, the second stop block is rotationally connected to the base, the base is connected with an adjusting component for pushing the first stop block to move to a locking position and fixing, the first stop block is provided with a first inclined plane, the second stop block is provided with a second inclined plane matched with the first inclined plane so as to drive the second stop block to rotate to the locking position when the first stop block moves to the locking position, and the base is also provided with a reset spring which can drive the first stop block to move to an unlocking position; by adopting the structure, the first stop block and the second stop block are doubly locked to reduce the shaking of the middle shaft.
Description
Technical Field
The invention relates to the technical field of photographic equipment, in particular to a locking device for photographic equipment.
Background
At present, in photographic equipment installation or use, the foot rest is used as basic bearing structure widely, and the stability and the accuracy of foot rest directly relate to the performance of equipment, and traditional foot rest is when carrying out locking operation to the pipeline, generally need exert great locking dynamics in order to ensure its steadiness, has not only increased user's operation burden, but also easily because the atress is inhomogeneous, leads to the axis part to have to rock, can't realize really firm locking.
In view of this, the present invention addresses this shortcoming in the prior art by providing a locking device for a photographing apparatus.
Disclosure of Invention
In view of the above, an object of the present application is to provide a locking device for a photographing apparatus that reduces shaking of a center shaft by double locking of a first stopper and a second stopper.
The invention provides a locking device for photographic equipment, which aims to solve the technical problems, and the locking device comprises a base and a locking component, wherein the base is provided with a center shaft through hole for inserting a center shaft and a mounting groove communicated with the center shaft through hole, the locking component comprises a first stop block and a second stop block which are both arranged in the mounting groove, the first stop block can move up and down along the mounting groove, the second stop block is rotationally connected to the base, the first stop block and the second stop block are provided with a locking position and an unlocking position, the first stop block and the second stop block are both pressed against the center shaft when being positioned at the locking position, the first stop block and the second stop block are both separated from the center shaft when being positioned at the unlocking position, the base is connected with an adjusting component for pushing the first stop block to move to the locking position and fixing, the first stop block is provided with a first inclined surface, the second stop block is provided with a second inclined surface matched with the first inclined surface so that the first stop block can be driven to rotate to the locking position when the first stop block moves to the locking position, and the base is also provided with a reset spring which can drive the first stop block to move to the unlocking position.
As a further improvement of the invention, the adjusting component comprises a threaded connecting piece in threaded connection with the groove wall of the mounting groove and a spanner fixedly connected to the threaded connecting piece, the threaded connecting piece is provided with a locking state capable of pushing the first stop block to move to a locking position and an unlocking state capable of unlocking the locking state, and the spanner can drive the threaded connecting piece to ascend or descend in a spiral manner to switch the locking state and the unlocking state when rotating.
As a further improvement of the invention, the adjusting component comprises a threaded connecting piece which is in threaded connection with the groove wall of the mounting groove, the threaded connecting piece is provided with a locking state capable of pushing the first stop block to move to the locking position and an unlocking state capable of unlocking the locking state, and the threaded connecting piece is provided with a convex rib at one side far away from the first stop block so that a user can drive the threaded connecting piece to ascend or descend in a spiral manner through the convex rib to switch the locking state and the unlocking state.
As a further improvement of the invention, the seat body comprises a fixed seat and a mounting cover, the middle shaft through hole is arranged on the fixed seat, the mounting groove comprises a fixed seat groove arranged on the fixed seat and a matching through hole arranged on the mounting cover, and the threaded connecting pieces are all in threaded connection on the inner side wall of the matching through hole.
As a further improvement of the invention, the seat body is provided with a matching hole communicated with the mounting groove, the adjusting component comprises a connecting block capable of moving back and forth along the matching hole, the upper surface of the first stop block is provided with a third inclined surface, the connecting block is provided with a fourth inclined surface matched with the third inclined surface, a buckle structure is arranged between the connecting block and the seat body, and the connecting block pushes the first stop block to move to a locking position through the fourth inclined surface and is fixed through the buckle structure when moving forwards.
As a further improvement of the invention, the second stop block is arranged below the first stop block, the upper surface of the seat body is provided with a first groove communicated with the mounting groove, and the return spring is connected with the groove wall of the first groove.
As a further development of the invention, the first stop is provided with a guide cam which can be moved up and down along the first groove, and the return spring is connected to the guide cam.
As a further improvement of the invention, the inner side wall of the center shaft through hole is detachably connected with a gasket which is used for wrapping the peripheral surface of the center shaft and has elasticity, and the first stop block and the second stop block are both abutted against the gasket when the center shaft through hole is positioned at the locking position.
As a further improvement of the invention, the seat body is provided with a gasket through hole, and the gasket is provided with a gasket boss for being inserted into the gasket through hole.
As a further improvement of the invention, the seat body is provided with a first through hole, the second stop block is provided with a second through hole corresponding to the first through hole, and the second stop block is connected with a pin inserted into the first through hole and the second through hole.
The invention has the advantages that:
1. When the adjusting component pushes the first stop block to move downwards to a locking position, the first stop block can push the second stop block to rotate clockwise, so that the left side surface of the first stop block and the lower part of the second stop block respectively lean against the center shaft, combined locking of surface-added lines is realized, and due to the fact that error flatness is necessarily present in processing, effective locking cannot be realized if the first stop block and the second stop block are locked in a surface-added mode, or the center shaft is not perpendicular to the ground after locking, and therefore the performance of photographic equipment is affected.
2. The user can drive the threaded connecting piece to rotate by pulling the wrench, so that the locking state and the unlocking state are switched, and the threaded connecting piece has a self-locking function due to the adoption of threaded connection, and after the threaded connecting piece is switched to the locking state, the first stop block and the second stop block always keep locking the middle shaft; or the threaded connecting piece is rotated through the convex rib; or locking is achieved by a snap-in structure.
Drawings
FIG. 1 is a schematic view of the structure of the present invention when used in a tripod;
FIG. 2 is an exploded view and partial enlarged view of the structure of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention in an unlocked position;
FIG. 4 is a partial cross-sectional view of the invention in a locked position;
fig. 5 is a schematic structural view of the first stopper of the present invention.
Detailed Description
The technical scheme of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a locking device for a photographing apparatus, comprising a base 1 and a locking assembly 2, wherein the base 1 is provided with a center shaft through hole 11 into which a center shaft 9 is inserted and an installation groove 12 communicated with the center shaft through hole 11, the locking assembly 2 comprises a first block 21 and a second block 22 both arranged in the installation groove 12, the first block 21 can move up and down along the installation groove 12, the second block 22 is rotatably connected to the base 1, the first block 21 and the second block 22 have a locking position and an unlocking position, the first block 21 and the second block 22 are pressed against the center shaft 9 when in the locking position, the first block 21 and the second block 22 are separated from the center shaft 9 when in the unlocking position, the base 1 is connected with an adjusting assembly 3 for pushing the first block 21 to move to the locking position and fixing, the first block 21 is provided with a first inclined surface 211, the second block 22 is provided with a second inclined surface 221 matched with the first inclined surface 211 so that the first block 21 can be driven to rotate to the second block 22 to the locking position when the first block 21 moves to the locking position, and the base 1 is further provided with a reset spring 4 capable of driving the first block 21 to move to the unlocking position.
When the adjusting component 3 pushes the first stop block 21 to move downwards to the locking position, the first stop block 21 approaches the central shaft 9 under the action of the first inclined plane 211 and pushes the second stop block 22 to rotate clockwise by a small extent, so that the left side surface of the first stop block 21 and the lower part of the second stop block 22 respectively lean against the central shaft, and at the moment, the attention needs to be paid; in addition, referring to the cross-sectional view of fig. 3, the upper portion of the mounting groove 12 is only required to be formed to be inclined to accommodate the first stopper 21, and the first stopper 21 can be restricted from rotating, so that the first stopper 21 is always kept vertical when moving downwards, and is propped against the central shaft through the left side surface.
In the locking position, the left side surfaces of the first stop block 21 and the second stop block 22 are both made into an arc state of the attached central shaft, referring to fig. 4, the first stop block 21 and the second stop block 22 can realize plane locking as shown by a mark a, and straight line locking as shown by a mark B, and realize plane plus straight line combined locking, and because error flatness is necessarily present in the processing, if the first stop block 21 and the second stop block 22 are locked in a plane plus plane manner, the contact of the central shaft can be actually locked into the straight line plus straight line combined locking, and effective locking cannot be realized, or the central shaft 9 is not vertical to the ground after locking, thereby influencing the performance of photographic equipment; if the left side surfaces of the first stop block 21 and the second stop block 22 are both made into a plane shape, the application realizes a linear point-adding locking mode, while the prior art is a point-adding locking mode, in either case, the application has the effects of double locking and firmer locking modes, and can also ensure that the central axis is vertical to the ground.
First embodiment of the adjustment assembly 3:
referring to fig. 2 to 4, the adjusting assembly 3 includes a screw coupling member 31 screw-coupled to a wall of the installation groove 12, and a wrench 32 fixedly coupled to the screw coupling member 31, the screw coupling member 31 having a locked state capable of pushing the first stopper 21 to move to the locked position and an unlocked state for releasing the locked state, and the wrench 32 being rotated to drive the screw coupling member 31 to be spirally up or spirally down to switch the locked state and the unlocked state.
The user can drive the threaded connecting piece 31 to rotate by pulling the wrench 32, so that the locking state and the unlocking state are switched, and the threaded connecting piece 31 has a self-locking function due to the adoption of threaded connection, and after the threaded connecting piece is switched to the locking state, the first stop block 21 and the second stop block 22 always keep locking the central shaft.
Second embodiment of the adjusting assembly 3:
The adjusting component 3 comprises a threaded connecting piece 31 in threaded connection with the groove wall of the mounting groove 12, the threaded connecting piece 31 is provided with a locking state capable of pushing the first stop block 21 to move to a locking position and an unlocking state capable of unlocking the locking state, and the threaded connecting piece 31 is provided with a convex rib on one side far away from the first stop block 21 so that a user can drive the threaded connecting piece 31 to ascend or descend in a spiral manner through the convex rib to switch the locking state and the unlocking state.
In this embodiment, the user can rotate the rib by hand to drive the threaded connection member 31 to switch between the locking state and the unlocking state, and the threaded connection member 31 has a self-locking function due to the threaded connection, and after switching to the locking state, the first stop block 21 and the second stop block 22 always maintain the locking center axis.
In both embodiments, the base 1 includes a fixing base 13 and a mounting cover 14, the central shaft through hole 11 is disposed on the fixing base 13, the mounting groove 12 includes a fixing base groove 131 disposed on the fixing base 13 and a mating through hole 141 on the mounting cover 14, and the threaded connection member 31 is screwed on an inner sidewall of the mating through hole 141.
Of course, the inner thread can be directly processed on the inner side wall of the fixing seat groove 131 without the structure of the mounting cover 14, and the locking and unlocking effects can be realized.
In addition to this, the adjustment assembly 3 can also be realized by means of a non-threaded connection, with reference to a third embodiment of the adjustment assembly 3:
The pedestal 1 is provided with the mating holes that communicate with the mounting groove 12, and the adjusting component 3 includes the connecting block that can reciprocate along the mating holes, and the upper surface of first dog 21 is equipped with the third inclined plane, and the connecting block is equipped with the fourth inclined plane with third inclined plane complex, is equipped with buckle structure between connecting block and the pedestal 1, and the connecting block pushes away first dog 21 through the fourth inclined plane when moving forward and removes the locking position and fix through buckle structure.
The second stopper 22 is provided below the first stopper 21, and referring to the enlarged partial view of fig. 2, the upper surface of the seat body 1 is provided with a first groove 15 communicating with the mounting groove 12, and the return spring 4 is connected to the groove wall of the first groove 15.
Of course, the second stopper 22 may be disposed above the first stopper 21, in which case, the first stopper 21 moves upward to rotate the second stopper 22 counterclockwise, so that the left side surface of the first stopper 21 and the upper portion of the second stopper are abutted against the center shaft 9, and it should be noted that the left and right directions discussed at this time are described according to the structure shown in fig. 2, and if the first stopper 21 is disposed at the left side of the seat 1, it is locked by the right side surface of the first stopper 21.
Referring to fig. 2, the first stopper 21 is provided with a guide projection 212 capable of moving up and down along the first groove 15, and the return spring 4 is connected to the guide projection 212.
Referring to fig. 2 to 4, the inner side wall of the bottom bracket through hole 11 is detachably connected with a gasket 5 having elasticity for wrapping the outer circumferential surface of the bottom bracket 9, and both the first stopper 21 and the second stopper 22 are abutted against the gasket 5 when in the locking position; the gasket 5 can avoid the first stop block 21 and the second stop block 22 from directly abutting against the middle shaft 9, thereby damaging the middle shaft 9, and the gasket 5 has elasticity to reduce errors caused during processing.
As a further improvement of the invention, the seat body 1 is provided with the gasket through hole 16, the gasket 5 is provided with the gasket boss 51 for being inserted into the gasket through hole 16, and the gasket 5 can be taken out only by pressing the gasket boss 51 when being disassembled, so that the replacement is convenient.
As a further improvement of the present invention, the seat 1 is provided with a first through hole 17, the second stopper 22 is provided with a second through hole 222 corresponding to the first through hole 17, and the second stopper 22 is connected with the pin 6 inserted into the first through hole 17 and the second through hole 222.
Claims (10)
1. A locking device for photographic equipment is characterized by comprising a base body (1) and a locking assembly (2), wherein the base body (1) is provided with a center shaft through hole (11) for inserting a center shaft (9) and a mounting groove (12) communicated with the center shaft through hole (11), the locking assembly (2) comprises a first stop block (21) and a second stop block (22) which are all arranged in the mounting groove (12), the first stop block (21) can move up and down along the mounting groove (12), the second stop block (22) is rotationally connected to the base body (1), the first stop block (21) and the second stop block (22) are provided with a locking position and an unlocking position, the first stop block (21) and the second stop block (22) are in pressure equalizing and tightening the center shaft (9) when being positioned at the locking position, the first stop block (21) and the second stop block (22) are all separated from the center shaft (9), the base body (1) is connected with an adjusting component (21) for pushing the first stop block (21) to move to a fixed position, and a first inclined plane (211) is arranged on the base body (1), and the first stop block (211) is matched with the second stop block (211) is provided with a first inclined plane (211) So that the first stop block (21) can drive the second stop block (22) to rotate to the locking position when moving to the locking position, and the base body (1) is also provided with a reset spring (4) which can drive the first stop block (21) to move to the unlocking position.
2. A locking device for photographic equipment according to claim 1, characterized in that the adjusting assembly (3) comprises a threaded connecting piece (31) in threaded connection with the groove wall of the mounting groove (12) and a spanner (32) fixedly connected to the threaded connecting piece (31), the threaded connecting piece (31) has a locking state capable of pushing the first stop block (21) to move to a locking position and an unlocking state capable of unlocking the locking state, and the spanner (32) can drive the threaded connecting piece (31) to rise or fall in a spiral manner when rotating so as to switch the locking state and the unlocking state.
3. A locking device for photographic equipment according to claim 1, characterized in that the adjusting assembly (3) comprises a threaded connector (31) in threaded connection with the wall of the mounting groove (12), the threaded connector (31) has a locking state capable of pushing the first block (21) to a locking position and an unlocking state for unlocking the locking state, and the threaded connector (31) is provided with a convex rib on one side far from the first block (21) so that a user can drive the threaded connector (31) to rise or fall in a spiral manner through the convex rib to switch the locking state and the unlocking state.
4. A locking device for photographic equipment according to claim 2 or 3, characterized in that the base (1) comprises a fixed seat (13) and a mounting cover (14), the central shaft through hole (11) is arranged on the fixed seat (13), the mounting groove (12) comprises a fixed seat groove (131) arranged on the fixed seat (13) and a matching through hole (141) arranged on the mounting cover (14), and the threaded connecting pieces (31) are connected on the inner side walls of the matching through holes (141) in a threaded mode.
5. A locking device for photographic equipment according to claim 1, characterized in that the base (1) is provided with a fitting hole communicated with the mounting groove (12), the adjusting assembly (3) comprises a connecting block capable of moving back and forth along the fitting hole, the upper surface of the first stop block (21) is provided with a third inclined surface, the connecting block is provided with a fourth inclined surface matched with the third inclined surface, a fastening structure is arranged between the connecting block and the base (1), and the connecting block pushes the first stop block (21) to move to a locking position through the fourth inclined surface and is fixed through the fastening structure when moving forwards.
6. A locking device for photographic equipment according to claim 1, characterized in that the second stopper (22) is arranged below the first stopper (21), the upper surface of the seat body (1) is provided with a first groove (15) communicating with the mounting groove (12), and the return spring (4) is connected to the groove wall of the first groove (15).
7. A locking device for photographic equipment according to claim 6, characterized in that the first stop (21) is provided with a guiding lug (212) movable up and down along the first groove (15), the return spring (4) being connected to the guiding lug (212).
8. A locking device for photographic equipment according to claim 1, characterized in that the inner side wall of the center shaft through hole (11) is detachably connected with a gasket (5) which is used for wrapping the peripheral surface of the center shaft (9) and has elasticity, and the first stop block (21) and the second stop block (22) are abutted against the gasket (5) when being positioned at the locking position.
9. A locking device for photographic equipment according to claim 8, characterized in that the housing (1) is provided with a washer through hole (16), the washer (5) being provided with a washer boss (51) for insertion into the washer through hole (16).
10. A locking device for photographic equipment according to claim 1, characterized in that the housing (1) is provided with a first through hole (17), the second stop (22) is provided with a second through hole (222) corresponding to the first through hole (17), and the second stop (22) is connected with a pin (6) inserted into the first through hole (17) and the second through hole (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410291541.8A CN118009181A (en) | 2024-03-14 | 2024-03-14 | Locking device for photographic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410291541.8A CN118009181A (en) | 2024-03-14 | 2024-03-14 | Locking device for photographic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118009181A true CN118009181A (en) | 2024-05-10 |
Family
ID=90950735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410291541.8A Pending CN118009181A (en) | 2024-03-14 | 2024-03-14 | Locking device for photographic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118009181A (en) |
-
2024
- 2024-03-14 CN CN202410291541.8A patent/CN118009181A/en active Pending
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