CN212480646U

CN212480646U - Electric control sliding device for photographic equipment and locking assembly thereof

Info

Publication number: CN212480646U
Application number: CN202021410129.7U
Authority: CN
Inventors: 朱昔华
Original assignee: Zhongshan Dashan Photographic Equipment Co Ltd
Current assignee: Zhongshan Dashan Photographic Equipment Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-05
Anticipated expiration: 2030-07-16

Abstract

The utility model relates to an automatically controlled slider for photographic equipment and locking Assembly thereof. The locking assembly for the electric control sliding device comprises a fixed seat arranged on the electric control sliding device and a locking assembly arranged on the fixed seat, wherein a driven piece of the electric control sliding device is arranged in the fixed seat, and the locking assembly can rotate relative to the fixed seat after being pressed towards the fixed seat so as to lock or unlock the driven piece. The utility model provides a locking Assembly for automatically controlled slider, convenient operation and simple structure can realize quick locking and the unblock of slider on the guide rail.

Description

Electric control sliding device for photographic equipment and locking assembly thereof

Technical Field

The utility model relates to an automatically controlled slider for photographic equipment and locking Assembly thereof.

Background

The sliding device for the photographic equipment is mobile shooting equipment with quite high use frequency in the shooting process, mainly comprises a guide rail, a sliding block and a driving device for driving the sliding block to slide, a camera is fixed on the sliding block when the sliding device is used, and the sliding block is driven by the driving device to enable the camera to move, so that an ideal shooting effect is achieved. The locking of the sliding block of the sliding device on the guide rail currently available in the market is usually realized by a locking brake screw arranged on the sliding block, and the sliding block is locked on the guide rail by screwing the locking brake screw or unlocked from the sliding block locked on the guide rail. However, the locking of the slide by such locking brake screws is not suitable for multiplying sliding devices.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a locking assembly that alleviates or avoids the above problems to some extent, and an electrically controlled sliding device for a photographic apparatus having the same.

The utility model provides a locking Assembly for automatically controlled slider, including installing fixing base on the automatically controlled slider with install locking on the fixing base closes the piece, automatically controlled slider's follower is installed in the fixing base, locking closes the piece and is pressed to can behind the fixing base for the fixing base rotates, with locking or unblock the follower.

In some embodiments, the locking assembly includes a body, an elastic member abutting between the body and the fixing seat, and a locking member sleeved on the body.

In some embodiments, the body of the locking assembly includes a rotatable member and a spindle secured to the rotatable member, the spindle moving and rotating relative to the fixed base as the rotatable member moves and rotates.

In some embodiments, the spindle includes a first non-circular portion, a first circular portion, a second non-circular portion, a second circular portion, and a third non-circular portion arranged in this order in an axial direction of the spindle.

In some embodiments, the first non-circular portion and the third non-circular portion can be respectively locked to the first through hole and the second through hole of the fixing seat to prevent the main shaft from rotating relative to the fixing seat.

In some embodiments, the locking member is at least partially sleeved at the second non-circular portion, and the second non-circular portion can drive the locking member to rotate, so that the locking member is engaged with or disengaged from the driven member.

In some embodiments, after the rotating member is pressed towards the fixing seat, the first circular portion and the second circular portion are respectively located at the first through hole and the second through hole of the fixing seat, so as to allow the locking part to rotate relative to the fixing seat.

In some embodiments, the locking element comprises a connecting portion and at least one engagement portion extending radially outwardly therefrom, the second non-circular portion being at least partially engaged in the connecting portion.

In some embodiments, the locking element further comprises a stop member adjacent to the rotating member of the body, and the rotating member and the stop member enclose a receiving space for receiving the elastic member.

In some embodiments, the stop member includes a projection extending axially outward from the closed end thereof, and the fixing seat is provided with an annular hole at a position corresponding to the projection to limit the rotation angle of the rotating element relative to the fixing seat.

The utility model also provides an automatically controlled slider for photographic equipment, include the main control subassembly, install guide assembly, the slidable of main control subassembly one side are installed slide assembly on the guide assembly, and install locking Assembly on the guide assembly, locking Assembly is above-mentioned locking Assembly.

The utility model provides a locking Assembly for automatically controlled slider, convenient operation and simple structure can realize quick locking and the unblock of slider on the guide rail.

Drawings

Fig. 1 is a perspective view of an electrically controlled slide device for photographic equipment according to an embodiment of the present invention.

Fig. 2 is a perspective view of a locking assembly of the electrically controlled slide shown in fig. 1.

Fig. 3 is an exploded view of the locking assembly shown in fig. 2.

FIG. 4 is an exploded view of the locking feature of the locking assembly shown in FIG. 2.

Fig. 5 is an axial cross-sectional view of the locking assembly shown in fig. 2.

Reference numerals: 100-an electrically controlled slide; 1-a master control assembly; 11-a housing; 12-a master control module; 13-a drive member; 14-a control panel; 2-a guide assembly; 21-a guide rail; 22-a drive belt; 23-a follower; 3-a sliding assembly; 31-a support seat; 32-a mounting seat; 4-a locking assembly; 41-a fixed seat; 410-an opening; 411 — first via; 412-a second via; 413-annular hole; 42-a locking feature; 420-body; 201-a rotating member; 202-a main shaft; 203-a first non-circular portion; 204-a first rounded portion; 205-a second non-circular portion; 206-a second rounded portion; 207-third non-circular portion; 208-a first connector; 209-a second connector; 421-an elastic member; 423-locking member; 231-a connecting portion; 232-a joint; 233-connecting hole; 424-a stop; 240-a body; 241-closed end; 242-a boss; 243-third via hole; 244-a recess; 245-boss; 426-a first sleeve; 427-a second sleeve.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, an electronic control sliding device 100 of a camera device of the present invention includes a main control assembly 1, a guide assembly 2 installed at one side of the main control assembly 1, a sliding assembly 3 slidably installed on the guide assembly 2, and a locking assembly 4 installed on the guide assembly 2. The main control assembly 1 controls the guide assembly 2 and the slide assembly 3. The locking assembly 4 acts on the guide assembly 2 to stop the sliding assembly 3 at any position of the guide assembly 2. The slide assembly 3 comprises a support seat 31 and a mounting seat 32 slidably mounted on the guide assembly 2. The mount 32 is used to mount a photographing device (e.g., a camera, a video camera, etc.). The main control assembly 1 controls the guide assembly 2 such that the support base 31 and the mount base 32 move on the guide assembly 2 toward or away from each other, thereby enabling a double increase in the moving distance of the mount base 32. In this embodiment, the support base 32 can be quickly connected to the stand of the photographic equipment, so as to connect the electrically controlled slide device 100 to the stand of the photographic equipment.

The main control assembly 1 includes a housing 11, a main control module 12 installed in the housing 11, and a driving member 13 connected to the main control module 12 and controlled by the main control module 12. Preferably, a control panel 14 is disposed on the upper surface of the housing 11, the control panel 14 is electrically connected to the main control module 12, and a user can control and view the operation condition of the electrically controlled sliding device 100 through the control panel 14. In this embodiment, the driving member 13 is configured as a driving gear, which drives the operation of the guide assembly 2 under the control of the main control module 12.

Referring to fig. 1 and 2 simultaneously, the guide assembly 2 includes two guide rails 21, a drive belt 22 and a follower 23. One end of each of the two guide rails 21 is fixedly connected to the side surface of the housing 11 of the main control assembly 1. The follower 23 is disposed at one end of the guide rail 21 far from the main control assembly 1, between the two guide rails 21, and opposite to the main control assembly 1. In the present embodiment, the follower 23 is provided as a set of rotating wheels, comprising two identical gears. Alternatively, the driven member 23 may be configured as a driven gear identical to the driving gear as the driving member 13. Preferably, both the driving member 13 and the driven member 23 are provided with external teeth, while the driving belt 22 is provided with internal teeth meshing with the external teeth and capable of moving synchronously with the rotation of the driving member 13. The drive belt 22 is supported by and looped around the drive member 13 and the driven member 23. Thereby, the driving member 13, the driving belt 22 and the driven member 23 cooperate with each other to realize a synchronous belt drive.

The support seat 31 and the mounting seat 32 of the sliding assembly 3 can be driven by the driving belt 22 to move respectively, so that the support seat 31 and the mounting seat 32 can move towards or away from each other on the guide rail 21 of the guide assembly 2. When the slide assembly 3 needs to stay at a certain position of the guide rail 21, the user can drive the locking assembly 4 to lock the rotation of the follower 23, thereby staying the slide assembly 3 at that position of the guide rail 21. The locking assembly 4 comprises a holder 41 and a locking element 42 movably mounted on the holder 41. The fixing seat 41 is installed at one end of the guide rail 21 of the guide assembly 2 far away from the main control assembly 1. Preferably, the holder 41 is configured substantially as a hollow box with one side open. The opening 410 of the fixing base 41 faces the main control assembly. In the present embodiment, the follower 23 of the guide assembly 2 is mounted inside the fixed seat 41. The fixing base 41 is provided with a first through hole 411 and a second through hole 412 which are opposite to each other. The locking member 42 vertically penetrates the fixing base 41 through the first through hole 411 and the second through hole 412, and is capable of moving and rotating relative to the fixing base 41. The user stops the rotation of the follower 23 by moving and rotating the locking element 42, thereby stopping the slide assembly 3 at the desired position.

Referring to fig. 3 to fig. 5, the locking element 42 includes a body 420, an elastic member 421 abutting between the body 420 and the fixing base 41, and a locking member 423 sleeved on the body 420. In this embodiment, the body 420 includes a rotation member 201 and a main shaft 202 fixed to the rotation member 201. The elastic member 421 is disposed between the rotating member 201 and the fixing base 41. Preferably, the elastic member 421 is a spring. The locking member 423 is sleeved on the main shaft 202. The diameter of the rotor 201 is larger than the diameter of the main shaft 202. The main shaft 202 is movable relative to the lock 423. The rotating member 201 is pressed and rotated by a user, and the main shaft 202 fixed to the rotating member 201 moves and rotates with respect to the fixed base 41 as the rotating member 201 moves and rotates, thereby driving the locking member 201 to engage the follower 23 and then lock the follower 23 so that the sliding assembly 3 stays on the guide rail 21.

In this embodiment, the spindle 202 penetrates the fixing base 41 through the first through hole 411 and the second through hole 412 of the fixing base 41. Both ends of the main shaft 202 protrude from both sides of the fixing base 41, respectively. One end of the main shaft 202 is fixed to the rotating member 201 by a first connecting member 208, and the other end of the main shaft 202 is stopped at the corresponding side of the fixing base 41 by a second connecting member 209 to prevent the locking member from being disengaged from the fixing base. In the present embodiment, the first connector 208 and the second connector 209 are each configured as a bolt. The diameter of the second connecting piece 209 in the radial direction perpendicular to the axial direction is larger than the diameter of the second through hole 412 of the fixed seat 41 in the radial direction, so that the locking assembly 42 is blocked at the second through hole 412 of the fixed seat 41. Alternatively, the rotation member 201 and the main shaft 202 may be provided as one body.

In this embodiment, the spindle 202 includes a first non-circular portion 203, a first circular portion 204, a second non-circular portion 205, a second circular portion 206, and a third non-circular portion 207. The first non-circular portion 203, the first circular portion 204, the second non-circular portion 205, the second circular portion 206, and the third non-circular portion 207 are arranged in this order in the axial direction of the main shaft 202. The first and third

non-circular portions

203, 207 can be respectively locked to the first and second through

holes

411, 412 of the fixing base 41 to prevent the rotation of the main shaft 202 relative to the fixing base 41. In the present embodiment, the shapes of the first through-hole 411 and the second through-hole 412 match the shapes of the first noncircular portion 203 and the third noncircular portion 207, respectively. The locking member 423 is at least partially sleeved at the second non-circular portion 205. The second noncircular portion 205 can drive the locking member 423 to rotate, so that the locking member 423 is engaged at the follower 23. In this embodiment, the first non-circular portion 203, the second non-circular portion 205, and the third non-circular portion 207 are all hexagonal in transverse cross-section. The first circular portion 204 and the second circular portion 206 can be positioned in the first through hole 411 and the second through hole 412, respectively, and allow the spindle 202 to rotate relative to the fixing base 41 when the first circular portion 204 and the second circular portion 206 are positioned in the first through hole 411 and the second through hole 412, respectively.

Specifically, pressing the rotating member 201 downward toward the fixing seat 41 moves the main shaft 202 along the axial direction of the main shaft 202, at which time the elastic member 421 is compressed, and the first circular portion 204 and the second circular portion 206 are respectively located at the first through hole 411 and the second through hole 412, and the second non-circular portion 205 is engaged in the locking member 423, then rotating the rotating member 201 in the first direction to rotate the main shaft 202 and the locking member 423 is engaged at the follower 23 under the action of the second non-circular portion 205, and then the rotating member 201 moves the main shaft 202 upward under the action of the elastic member 421, at which time the first non-circular portion 203 and the third non-circular portion 207 are respectively located at the first through hole 411 and the second through hole 412, and the second non-circular portion 205 is at least partially engaged in the locking member 423, preventing the locking member 423 from moving, thereby locking the follower 23 to stop the sliding assembly 3 on the guide rail 21.

When the locking of the locking member 423 on the follower 23 is released, the rotating member 201 is pressed towards the fixed base 41, then the rotating member 201 is rotated in the second direction, so that the second non-circular portion 205 of the main shaft 202 drives the locking member 423 to rotate to release the engagement between the locking member 423 and the follower 23, and then the pressing of the rotating member 201 is released, so that the rotating member 201 drives the main shaft 202 to move upwards under the action of the elastic member 421, at this time, the first non-circular portion 203 and the second non-circular portion 205 are respectively located at the first through hole 411 and the second through hole 412, and the second non-circular portion 205 is at least partially engaged in the locking member 423 to prevent the locking member 423 from moving, thereby preventing the locking member 423 from influencing the rotation of the.

In the present embodiment, the locking member 423 includes a connection portion 231 and at least one engagement portion 232 extending from the connection portion 231 outward in a radial direction thereof. The connecting portion 231 has a substantially hollow cylindrical shape. The center of the connecting portion 231 is provided as a connecting hole 233, and the second non-circular portion 205 is at least partially engaged in the connecting hole 233, that is, the shape of the connecting hole 233 is substantially the same as the shape of the second non-circular portion 205. The second noncircular portion 205 can move in the connection hole 233 in the axial direction of the main shaft 202 without coming off the connection hole 233 during the movement. In the present embodiment, the at least one engagement portion 232 includes two oppositely extending engagement portions. Preferably, the engaging portion 232 is sized to be engageable in the teeth spaces of the follower 23. In this embodiment, in order to prevent the locking member 423 from moving in the axial direction of the main shaft 202, a first sleeve 426 is disposed between the side of the fixing base 41 having the first through hole 411 and the locking member 423. The first sleeve 426 is disposed on the main shaft 202, and two ends of the first sleeve 426 respectively abut against the fixing seat 41 and the locking member 423. It is contemplated that the main shaft 202 can move and rotate relative to the first sleeve 426. Optionally, a second sleeve 427 is arranged between the side of the fixing seat 41 having the second through hole 412 and the locking member 423.

In addition, the locking assembly 42 includes a stop 424 adjacent to the rotating member 201 of the body 420. The rotating member 201 and the stopper member 424 enclose a receiving space for receiving the elastic member 421, so that the elastic member 421 abuts between the stopper member 424 and the rotating member 201 of the body 420. The stopper 424 includes a hollow main body 240 having an open end and a boss 242 extending axially outwardly from a closed end 241 of the main body 240. The body 240 provides a part of the receiving space. Preferably, the rotating member 201 is sleeved outside the stop member 424, and can move along the axial direction of the rotating member 201 relative to the stop member 424. In the present embodiment, the first non-circular portion 203 of the main shaft 202 of the body 420 passes through the third through hole 243 at the center of the closed end 241 of the main body 240, so that the stopper 424 rotates with the rotation of the rotation member 201. The design of the stop 424 enhances the aesthetic appearance of the device while allowing for smoother rotation of the entire locking assembly 42. The protruding portion 242 is used to limit the rotation angle of the rotating member 201. The fixed seat 41 of the locking assembly 4 is provided with an annular hole 413 at a position corresponding to the projection 242 of said stop 424. The boss 242 is inserted into the annular hole 413.

In this embodiment, the center of the closed end 241 of the stop member 424 is recessed to form a recess 244, and the fixing seat 41 is provided with a projection 245 at a corresponding position, and the projection 245 is engaged in the recess 244. The male and female mating recesses 244 and the bosses 245 are provided so that the stopper 424 does not shift relative to the fixing base 41.

In summary, the preferred embodiments of the present invention are not intended to limit the scope of the present invention, and all equivalent changes and modifications made according to the contents of the present invention should fall within the technical scope of the present invention.

Claims

1. A locking assembly for an electrically controlled sliding device, comprising a fixed seat mounted on the electrically controlled sliding device and a locking assembly mounted on the fixed seat, wherein a driven member of the electrically controlled sliding device is mounted in the fixed seat, wherein the locking assembly is capable of rotating relative to the fixed seat after being pressed towards the fixed seat, so as to lock or unlock the driven member.

2. The locking assembly of claim 1, wherein the locking assembly comprises a body, a resilient member disposed between the body and the fixing base, and a locking member disposed on the body.

3. The locking assembly of claim 2 wherein said body of said locking assembly includes a rotatable member and a spindle secured to said rotatable member, said spindle moving and rotating relative to said fixed base as said rotatable member moves and rotates.

4. The locking assembly of claim 3, wherein the spindle includes a first non-circular portion, a first circular portion, a second non-circular portion, a second circular portion, and a third non-circular portion arranged in order along an axial direction of the spindle.

5. The locking assembly of claim 4, wherein the first and third non-circular portions are adapted to be retained in first and second through-holes of the holder, respectively, to prevent rotation of the spindle relative to the holder.

6. The locking assembly of claim 4, wherein the locking element is at least partially disposed about the second non-circular portion, the second non-circular portion being capable of driving the locking element to rotate to engage or disengage the locking element from the follower.

7. The locking assembly of claim 4, wherein the first and second circular portions are positioned in the first and second through-holes of the holder, respectively, after the rotating member is pressed toward the holder, to allow the locking element to rotate relative to the holder.

8. The locking assembly of claim 4 wherein said locking element includes a connecting portion and at least one engagement portion extending radially outwardly therefrom, said second non-circular portion being at least partially engaged in said connecting portion.

9. The locking assembly of claim 2 wherein said locking element further comprises a stop member adjacent a rotatable member of said body, said rotatable member and said stop member enclosing a receiving space for receiving said resilient member.

10. The locking assembly of claim 9 wherein said stop includes a projection extending axially outwardly from a closed end thereof, and said holder is provided with an annular aperture at a location corresponding to said projection to limit the angle of rotation of said rotating element relative to said holder.

11. An electrically controlled slide for photographic equipment comprising a main control assembly, a guide assembly mounted to one side of said main control assembly, a slide assembly slidably mounted on said guide assembly, and a lock assembly mounted on said guide assembly, wherein said lock assembly is the lock assembly of claim 1.