CN116336329A

CN116336329A - Electric control sliding device for photographic equipment and locking assembly thereof

Info

Publication number: CN116336329A
Application number: CN202310404925.1A
Authority: CN
Inventors: 罗宗誉; 邱广生; 王静; 洪伟珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-06-27

Abstract

The invention provides an electric control sliding device for photographic equipment, which comprises a sliding component, wherein the sliding component comprises a moving block, a mounting plate, guide rods, U-shaped plates and a motor, the number of the mounting plates is two, the number of the guide rods is four, two ends of the four guide rods are symmetrically arranged on one side of the two adjacent mounting plates, the outer wall of the moving block is in sliding connection with the outer wall of the moving block, one side of the moving block is provided with a mounting through groove, and the bottom wall of the inner side of the mounting through groove is arranged on the lower surface of the motor. According to the invention, through the combined use of the sliding component, the rack, the gear, the fixed plate, the first threaded rod, the circular plate, the second steel ball and the control panel, the moving position distance of the moving block can be precisely controlled, so that the moving of photographic equipment can be precisely controlled, the meshing distance between the rack and the gear can be controlled, the accuracy of the moving distance of the moving block is ensured, and the operation is convenient.

Description

Electric control sliding device for photographic equipment and locking assembly thereof

Technical Field

The invention relates to the technical field of photographic equipment, in particular to an electric control sliding device for photographic equipment and a locking component thereof.

Background

The photographic equipment is a general name of a camera, a lens and related accessories thereof, various devices and articles related to photographic activities, and the sliding device for the photographic equipment is a mobile shooting device with quite high use frequency in the shooting process;

the camera is fixed on the slide block in use, and the slide block is driven by the driving device to slide on the two guide rails through the rollers, so that the camera is conveniently driven to move, but the distance between the rollers and the guide rails cannot be adjusted, so that the gap between the rollers and the guide rails cannot be eliminated, the camera is not smooth in movement and inaccurate in distance, the slide block of the existing sliding device is locked on the guide rails usually through locking brake screws arranged on the slide block, the slide block is locked on the guide rails or unlocked on the guide rails by screwing the locking brake screws, but the locking assembly cannot be applied to the electronic sliding device, the electronic sliding device is started to be used when the locking assembly is forgotten, the motor in the electronic sliding device is burnt, the service life is shortened, and the locking safety coefficient is low.

Disclosure of Invention

In view of the foregoing, it is desirable to provide an electronically controlled slide device for photographic equipment and a locking assembly thereof that solves or alleviates the technical problems of the prior art, and at least provides an advantageous option.

The technical scheme of the embodiment of the invention is realized as follows: the utility model provides an automatically controlled slider for photographic equipment, includes sliding component, sliding component includes movable block, mounting panel, guide arm, U template and motor, the mounting panel sets up two altogether, the guide arm sets up four altogether the mutual symmetry in two of both ends of guide arm one side that the mounting panel is adjacent, the outer wall sliding connection of movable block in the movable block outer wall, the installation logical groove has been seted up to one side of movable block, the inboard diapire of installation logical groove install in the lower surface of motor, the output shaft of motor run through in the inboard diapire of installation logical groove and install the gear, the upper surface mounting of movable block has the mount pad, two the removal logical groove has been seted up respectively to one side that the mounting panel is adjacent, the inner wall sliding connection of removal logical groove has the rack, the inner wall mounting of removal logical groove has the second spring, the one end of second spring install in the outer wall of rack, the lower surface mounting of movable block has the fixed plate, circular recess has been seted up to one side of fixed plate, the inner wall of circular recess has seted up first gear in the lower surface of the rack, the circular recess has the circular thread groove, the circular thread engagement has in the circular thread groove has the circular thread groove, the circular thread groove has the first thread groove, the circular thread groove has the first thread groove of the first steel ball.

Further preferably, a control panel is mounted on the upper surface of one of the mounting plates.

Further preferably, the U-shaped plate is provided with two, four clamping grooves are symmetrically formed in the outer wall of the moving block, two clamping grooves are formed in the inner wall of the U-shaped plate in a fit mode, two arc-shaped through holes are formed in the inner wall of the U-shaped plate in a symmetrical mode, first steel balls are evenly embedded in the inner wall of the arc-shaped through holes, the outer wall of the first steel balls is fit with the outer wall of the guide rod, circular through holes are evenly formed in the outer wall of the U-shaped plate, threaded grooves are evenly formed in the outer wall of the moving block, a third threaded rod is fit with the inner wall of the circular through holes, threads of the outer wall of the third threaded rod are connected with the inner wall of the threaded grooves, and a limiting circular ring is arranged on the outer wall of the third threaded rod.

Further preferably, a first handle is mounted to an end of the first threaded rod remote from the circular plate.

Further preferably, a third handle is mounted at one end of the third threaded rod.

Further preferably, a third sliding groove is formed in the inner wall of the movable through groove, a third sliding block is connected to the inner wall of the third sliding groove in a sliding mode, and one side, away from the third sliding groove, of the third sliding block is installed on one side of the rack.

The utility model provides a locking component for automatically controlled slider of photographic equipment, includes movable block, motor, gear and locking component, locking component includes second threaded rod, U type movable plate and arc latch spare, the installation logical groove has been seted up to one side of movable block, the inboard diapire of installation logical groove install in the lower surface of motor, the output shaft of motor run through in the inboard diapire of installation logical groove and install the gear, the L type installed part of lower surface mounting of movable block, the second screw thread through-hole has been seted up to the rear surface of L type installed part, the inner wall threaded connection of second screw thread through-hole in the outer wall of second threaded rod, the inboard diapire sliding connection of L type installed part in the lower surface of U type movable plate, the one end of second threaded rod pass through the bearing rotate connect in the rear surface of U type movable plate, the inner wall sliding connection of U type movable plate in the outer wall of arc latch spare, the inner wall engagement of arc latch spare in the outer wall of gear, the rear surface mounting of latch spare has a pressure sensor, an even spring installed in the rear surface mounting of U type movable plate.

Further preferably, the upper surface of the L-shaped mounting piece is uniformly provided with a first chute, the first chute is connected with a first sliding block in a sliding manner, and the upper surface of the first sliding block is mounted on the lower surface of the U-shaped moving plate.

Further preferably, a second handle is mounted at the other end of the second threaded rod.

Further preferably, the outer wall of the arc-shaped latch member is symmetrically provided with a second chute, the inner wall of the second chute is slidably connected with a second slider, and one side, away from the second chute, of the second slider is installed on the inner wall of the U-shaped movable plate.

By adopting the technical scheme, the embodiment of the invention has the following advantages:

1. according to the invention, through the combined use of the sliding component, the rack, the gear, the fixed plate, the first threaded rod, the circular plate, the second steel ball and the control panel, the moving position distance of the moving block can be precisely controlled, so that the moving of photographic equipment can be precisely controlled, the meshing distance between the rack and the gear can be controlled, the accuracy of the moving distance of the moving block is ensured, and the operation is convenient.

2. The movable block is conveniently connected to the guide rod in a sliding mode through the combination of the mounting plate, the third threaded rod, the limiting circular ring, the arc-shaped through hole and the first steel ball, and is convenient to assemble, disassemble and use, convenient to store, and convenient to replace.

3. The invention can be used for carrying out power-off treatment on the motor while locking the gear through the combined use of the L-shaped mounting piece, the locking component, the pressure sensor and the first spring, can effectively avoid starting the motor during misoperation, avoid the motor from burning, prolong the service life and improve the locking safety coefficient.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a side cross-sectional view of the view of FIG. 1 according to the present invention;

FIG. 3 is an enlarged block diagram of the area B of FIG. 2 according to the present invention;

FIG. 4 is an enlarged block diagram of the area C of FIG. 2 according to the present invention;

FIG. 5 is an enlarged block diagram of the area D of FIG. 2 according to the present invention;

FIG. 6 is a side cross-sectional view of the E-E of FIG. 1 according to the present invention;

FIG. 7 is an enlarged block diagram of area F of FIG. 6 in accordance with the present invention;

FIG. 8 is an enlarged block diagram of the G area of FIG. 6 according to the present invention;

FIG. 9 is a side sectional view of the H-H of FIG. 1 according to the present invention;

FIG. 10 is a top view of the structure of the present invention;

fig. 11 is a bottom view of the present invention.

Reference numerals: 1. a sliding assembly; 101. a moving block; 102. a mounting plate; 103. a guide rod; 104. a U-shaped plate; 105. a motor; 2. a rack; 3. an L-shaped mounting member; 4. a gear; 5. installing a through groove; 6. a clamping groove; 7. an arc-shaped through hole; 8. a first steel ball; 9. a mounting base; 10. a fixing plate; 11. a first threaded through hole; 12. a circular groove; 13. a first threaded rod; 14. a circular plate; 15. a second steel ball; 16. a first handle; 17. a locking assembly; 1701. a second threaded rod; 1702. a U-shaped movable plate; 1703. arc-shaped latch members; 18. a second threaded through hole; 19. a first chute; 20. a first slider; 21. a pressure sensor; 22. a first spring; 23. a second handle; 24. a thread groove; 25. a third threaded rod; 26. a circular through hole; 27. a limit circular ring; 28. a third handle; 29. a second chute; 30. a second slider; 31. moving the through groove; 32. a third chute; 33. a third slider; 34. a second spring; 35. and a control panel.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-11, the embodiment of the invention provides an electric control sliding device for photographic equipment, which comprises a sliding component 1, the sliding component 1 comprises a moving block 101, a mounting plate 102, guide rods 103, a U-shaped plate 104 and a motor 105, the two mounting plates 102 are arranged in total, the four guide rods 103 are arranged in total, two ends of the four guide rods 103 are symmetrically arranged on one side adjacent to the two mounting plates 102, the outer wall of the moving block 101 is slidably connected to the outer wall of the moving block 101, one side of the moving block 101 is provided with a mounting through groove 5, the inner bottom wall of the mounting through groove 5 is arranged on the lower surface of the motor 105, an output shaft of the motor 105 penetrates through the inner bottom wall of the mounting through groove 5 and is provided with a gear 4, the upper surface of the moving block 101 is provided with a mounting seat 9, one side adjacent to the two mounting plates 102 is respectively provided with a moving through groove 31, the inner wall of the moving through groove 31 is slidably connected with a rack 2, one end of the second spring 34 is arranged on the outer wall of the moving through groove 31, the lower surface of the moving block 101 is provided with a fixing plate 10, one side of the fixing plate 10 is provided with a circular groove 12, the inner wall 12 is provided with a first threaded rod 13 and is engaged with a first threaded rod 13 and a second threaded rod 13, which is engaged with a first threaded rod 14, and a second threaded rod 13 is engaged with a first threaded rod 13, and a second threaded rod 13 is connected to the first threaded rod 13, and a second threaded rod 13 is meshed with a first threaded rod 13.

In one embodiment, a control panel 35 is mounted on the upper surface of one mounting plate 102, a controller is disposed inside the control panel 35, the controller in the control panel 35 is electrically connected with the motor 105 and the pressure sensor 21 through wires, and the control panel 35 is electrically connected to external commercial power through wires.

In one embodiment, two U-shaped plates 104 are provided, four clamping grooves 6 are symmetrically formed in the outer wall of the moving block 101, the inner walls of the two clamping grooves 6 are attached to the inner wall of the U-shaped plate 104, two arc-shaped through holes 7 are symmetrically formed in the inner wall of the U-shaped plate 104, first steel balls 8 are evenly embedded in the inner wall of the arc-shaped through holes 7, the outer wall of the first steel balls 8 are attached to the outer wall of the guide rod 103, circular through holes 26 are evenly formed in the outer wall of the U-shaped plate 104, threaded grooves 24 are evenly formed in the outer wall of the moving block 101, a third threaded rod 25 is attached to the inner wall of the circular through holes 26, the outer wall of the third threaded rod 25 is connected with the inner wall of the threaded grooves 24 in a threaded mode, a limiting circular ring 27 is mounted on the outer wall of the third threaded rod 25, the clamping grooves 6 on the moving block 101 are used for primary locking, the third threaded rod 25 is used for being inserted into the circular through holes 26 on the U-shaped plate 104 and rotated in the threaded grooves 24, the positions of the U-shaped plate 104 are used for tensioning the U-shaped plate 104, the U-shaped plate 104 and the moving block 101 are mutually close to each other, the guide rod 103 is moved to the first steel balls 7 and the second steel balls 7 are pushed into the first steel balls 8 on the moving block 7 to the arc-shaped plate 7, and the second elastic steel balls 4 are used for being engaged with the elastic sliding mechanism to move through the elastic steel balls 2.

In one embodiment, the end of the first threaded rod 13 remote from the circular plate 14 is provided with a first handle 16, and the first handle 16 is provided to assist in rotating the first threaded rod 13.

In one embodiment, a third handle 28 is mounted at one end of the third threaded rod 25, and the third handle 28 is provided to assist in rotating the third threaded rod 25.

In one embodiment, the inner wall of the movable through slot 31 is provided with a third sliding slot 32, the inner wall of the third sliding slot 32 is slidably connected with a third sliding block 33, one side of the third sliding block 33 away from the third sliding slot 32 is mounted on one side of the rack 2, and by sliding the third sliding block 33 in the third sliding slot 32, the rack 2 can be assisted to slide, and the position of the rack 2 can be limited.

The locking component of the electric control sliding device for the photographic equipment comprises a moving block 101, a motor 105, a gear 4 and a locking component 17, wherein the locking component 17 comprises a second threaded rod 1701, a U-shaped moving plate 1702 and an arc-shaped latch piece 1703, one side of the moving block 101 is provided with a mounting through groove 5, the inner bottom wall of the mounting through groove 5 is arranged on the lower surface of the motor 105, an output shaft of the motor 105 penetrates through the inner bottom wall of the mounting through groove 5 and is provided with the gear 4, the lower surface of the moving block 101 is provided with an L-shaped mounting piece 3, the rear surface of the L-shaped mounting piece 3 is provided with a second threaded through hole 18, the inner wall of the second threaded through hole 18 is in threaded connection with the outer wall of the second threaded rod 1701, the inner bottom wall of the L-shaped mounting piece 3 is in sliding connection with the lower surface of the U-shaped moving plate 1702, one end of the second threaded rod 1701 is in rotary connection with the rear surface of the U-shaped moving plate 1702 through a bearing, the inner wall of the U-shaped moving plate 1702 is slidably connected to the outer wall of the arc-shaped latch 1703, the inner wall of the arc-shaped latch 1703 is meshed with the outer wall of the gear 4, the pressure sensor 21 is installed on the rear surface of the arc-shaped latch 1703, the first spring 22 is uniformly installed on the rear surface of the arc-shaped latch 1703, one end of the first spring 22 is installed on the inner wall of the U-shaped moving plate 1702, the second threaded rod 1701 rotates in the second threaded through hole 18 on the L-shaped mounting 3, the second threaded rod 1701 drives the U-shaped moving plate 1702 to move on the L-shaped mounting 3, the U-shaped moving plate 1702 drives the arc-shaped latch 1703 to be tightly meshed with the outer wall of the gear 4, and when the U-shaped moving plate 1702 continuously presses the arc-shaped latch 1703, the U-shaped moving plate 1702 presses the pressure sensor 21 installed on the arc-shaped latch 1703, and the first spring 22 is deformed, so that the pressure sensor 21 transmits a closing signal into the control panel 35, the control panel 35 turns off the power to the motor 105, wherein the first spring 22 is provided to facilitate the removal of the U-shaped moving plate 1702 from the arcuate latch member 1703 while disengaging the U-shaped moving plate 1702 from the pressure sensor 21, thereby re-powering the motor 105.

In one embodiment, the upper surface of the L-shaped mounting member 3 is uniformly provided with the first sliding groove 19, the first sliding groove 19 is slidably connected with the first sliding block 20, the upper surface of the first sliding block 20 is mounted on the lower surface of the U-shaped moving plate 1702, and by sliding the first sliding block 20 in the first sliding groove 19, the movement of the U-shaped moving plate 1702 can be assisted, and the position of the U-shaped moving plate 1702 can be limited.

In one embodiment, the other end of the second threaded rod 1701 is provided with a second handle 23, and the second handle 23 is provided to assist in rotating the second threaded rod 1701.

In one embodiment, the outer wall of the arc-shaped latch 1703 is symmetrically provided with a second sliding groove 29, the inner wall of the second sliding groove 29 is slidably connected with a second sliding block 30, one side of the second sliding block 30 away from the second sliding groove 29 is mounted on the inner wall of the U-shaped moving plate 1702, and by rotating the second sliding block 30 in the second sliding groove 29, the movement of the U-shaped moving plate 1702 can be assisted and the position of the U-shaped moving plate 1702 can be limited.

The invention works when in work: in use, the moving block 101 is moved to the adjacent inner parts of the four guide rods 103, at the moment, when two U-shaped plates 104 are moved to the clamping grooves 6 on the moving block 101 for preliminary locking, the hand-held rack 2 is moved into a gap between the L-shaped mounting piece 3 and the fixed plate 10, then the third threaded rod 25 is used for assisting the third threaded rod 25 to rotate through the circular through holes 26 on the U-shaped plates 104 and rotating in the threaded grooves 24 through the third handles 28, the limiting rings 27 are used for tightening the positions of the U-shaped plates 104, so that the U-shaped plates 104 and the moving block 101 are close to each other, the guide rods 103 are moved to the first steel balls 8 in the arc-shaped through holes 7 on the U-shaped plates 104 for assisting the moving block 101 to move, the rack 2 is pushed to slide to the gear 4 for meshing through the elastic potential energy of the second springs 34, and the personnel drive the first threaded rod 13 to rotate in the first threaded through hole 11 on the fixed plate 10 by holding the first handle 16, the first threaded rod is used for assisting the circular plate 14 and the first threaded rod 13 to move out of the circular groove 12 to be attached to the outer wall of the rack 2, so that the rack 2 is tightly attached to the gear 4 and does not prevent the moving block 101 from moving, photographic equipment is mounted on the mounting seat 9, at the moment, the personnel operate the control panel 35 to control the motor 105 to start, the output shaft of the motor 105 drives the gear 4 to rotate on the rack 2, the movement of the moving block 101 is facilitated, the moving distance of the photographic equipment can be precisely controlled, when the position of the photographic equipment needs to be locked, the personnel hold the second handle 23 to drive the second threaded rod 1701 to rotate in the second threaded through hole 18 on the L-shaped mounting piece 3, the second threaded rod 1701 drives the U-shaped moving plate 1702 to move on the L-shaped mounting piece 3, the U-shaped moving plate 1702 drives the arc-shaped latch 1703 to be tightly meshed with the outer wall of the gear 4, and when the U-shaped moving plate 1702 continuously extrudes the arc-shaped latch 1703, the U-shaped moving plate 1702 extrudes the pressure sensor 21 installed on the arc-shaped latch 1703 and deforms the first spring 22, so that the pressure sensor 21 transmits a closing signal to the control panel 35, the control panel 35 closes the power supply of the motor 105, the motor 105 is prevented from being started when the motor is locked, and when the moving block 101 needs to be moved again, the motor can be moved only by reversing the operation.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electronically controlled slide for photographic equipment, comprising a slide assembly (1), characterized in that: the sliding component (1) comprises a moving block (101), a mounting plate (102), guide rods (103), U-shaped plates (104) and a motor (105), wherein the two mounting plates (102) are arranged, the four guide rods (103) are arranged, two ends of the guide rods (103) are symmetrically arranged on one adjacent side of the two mounting plates (102), the outer wall of the moving block (101) is slidably connected with the outer wall of the moving block (101), one side of the moving block (101) is provided with a mounting through groove (5), the inner bottom wall of the mounting through groove (5) is arranged on the lower surface of the motor (105), the output shaft of the motor (105) penetrates through the inner bottom wall of the mounting through groove (5) and is provided with a gear (4), the upper surface of the moving block (101) is provided with a mounting seat (9), one adjacent side of the two mounting plates (102) is respectively provided with a moving through groove (31), the inner wall of the moving through groove (31) is slidably connected with a rack (2), the inner wall of the moving through groove (31) is provided with a spring (34), one end of the second spring (34) is provided with a circular spring (34), one end of the circular spring (10) is arranged on the lower surface of the second spring (34) is provided with the circular spring (10), the inner wall of circular recess (12) has seted up first screw thread through-hole (11), the outer wall of gear (4) mesh in the rear surface of rack (2), the inner wall threaded connection of first screw thread through-hole (11) has first threaded rod (13), the one end of first threaded rod (13) is connected with circular plate (14) through the bearing rotation, circular plate (14) are kept away from one side of first threaded rod (13) evenly is inlayed and is had second steel ball (15), the outer wall laminating of second steel ball (15) in the front surface of rack (2), the inner wall laminating of circular recess (12) in the outer wall of circular plate (14).

2. The electronically controlled slide for photographic equipment of claim 1, wherein: a control panel (35) is mounted on the upper surface of one of the mounting plates (102).

3. The electronically controlled slide for photographic equipment of claim 1, wherein: the U-shaped plate (104) is provided with two, four clamping grooves (6) are symmetrically formed in the outer wall of the moving block (101), two clamping grooves (6) are formed in the inner wall of the U-shaped plate (104) in a fit mode, two arc-shaped through holes (7) are formed in the inner wall of the U-shaped plate (104) in a symmetrical mode, first steel balls (8) are evenly embedded in the inner wall of the arc-shaped through holes (7), the outer wall of the first steel balls (8) is fit with the outer wall of the guide rod (103), circular through holes (26) are evenly formed in the outer wall of the U-shaped plate (104), threaded grooves (24) are evenly formed in the outer wall of the moving block (101), a third threaded rod (25) is fit in the inner wall of the threaded grooves (24) in a threaded mode, and a limiting ring (27) is arranged on the outer wall of the third threaded rod (25).

4. The electronically controlled slide for photographic equipment of claim 1, wherein: a first handle (16) is arranged at one end of the first threaded rod (13) far away from the circular plate (14).

5. An electronically controlled slide for photographic equipment as in claim 3 wherein: a third handle (28) is arranged at one end of the third threaded rod (25).

6. The electronically controlled slide for photographic equipment of claim 1, wherein: the inner wall of the movable through groove (31) is provided with a third sliding groove (32), the inner wall of the third sliding groove (32) is connected with a third sliding block (33) in a sliding mode, and one side, away from the third sliding groove (32), of the third sliding block (33) is installed on one side of the rack (2).

7. A locking assembly for an electronically controlled slide of photographic equipment, comprising a mobile block (101), a motor (105), a gear (4) and a locking assembly (17), characterized in that: the locking component (17) comprises a second threaded rod (1701), a U-shaped moving plate (1702) and an arc-shaped latch piece (1703), a mounting through groove (5) is formed in one side of the moving block (101), the inner side bottom wall of the mounting through groove (5) is mounted on the lower surface of the motor (105), an output shaft of the motor (105) penetrates through the inner side bottom wall of the mounting through groove (5) and is provided with a gear (4), an L-shaped mounting piece (3) is mounted on the lower surface of the moving block (101), a second threaded through hole (18) is formed in the rear surface of the L-shaped mounting piece (3), the inner wall of the second threaded through hole (18) is connected with the outer wall of the second threaded rod (1701) in a threaded manner, the inner side bottom wall of the L-shaped mounting piece (3) is connected with the lower surface of the U-shaped moving plate (1702) in a sliding manner, one end of the second threaded rod (1701) is connected with the rear surface of the U-shaped moving plate (1702) in a bearing manner, the inner wall of the U-shaped moving plate (1702) is connected with the rear surface of the gear (1703) in a sliding manner, the arc-shaped latch piece is meshed with the arc-shaped latch piece (1703) is meshed with the outer wall of the arc-shaped latch piece (1704), one end of the first spring (22) is mounted on the inner wall of the U-shaped movable plate (1702).

8. The locking assembly for an electronically controlled slide of a photographic apparatus as in claim 7 wherein: the upper surface of L type installed part (3) has evenly seted up first spout (19), the sliding connection of first spout (19) has first slider (20), the upper surface of first slider (20) install in the lower surface of U type movable plate (1702).

9. The locking assembly for an electronically controlled slide of a photographic apparatus as in claim 7 wherein: the other end of the second threaded rod (1701) is provided with a second handle (23).

10. The locking assembly for an electronically controlled slide of a photographic apparatus as in claim 7 wherein: the outer wall symmetry of arc latch (1703) has seted up second spout (29), the inner wall sliding connection of second spout (29) has second slider (30), second slider (30) keep away from one side of second spout (29) install in the inner wall of U type movable plate (1702).