CN212718835U - Electric control sliding device for photographic equipment and adjusting assembly thereof - Google Patents

Abstract

The utility model relates to an automatically controlled slider for photographic equipment and adjusting part thereof. The adjusting assembly is used for adjusting the distance between a plurality of sliding parts of the electric control sliding device so as to eliminate the gap between each sliding part and the two guide rails, the adjusting assembly is arranged between the two sliding parts along the extending direction of the two guide rails and comprises a rotating part, a first driving part engaged on the inner side of the rotating part and a second driving part connected with the first driving part, and the rotating part drives the first driving part to rotate relative to the second driving part so as to change the length of the adjusting assembly along the extending direction.

Description

Electric control sliding device for photographic equipment and adjusting assembly thereof

Technical Field

The utility model relates to an automatically controlled slider for photographic equipment and adjusting part thereof.

Background

The sliding device for the photographic equipment is mobile shooting equipment with quite high use frequency in the shooting process, mainly comprises two guide rails, a sliding block and a driving device for driving the sliding block to slide, and is used for fixing the camera on the sliding block and driving the sliding block to move through the driving device, so that an ideal shooting effect is realized. In the prior art, the sliding block usually slides on two guide rails through a roller. However, the distance between the rollers and the two rails cannot be adjusted, and the gap between the rollers and the respective rails cannot be eliminated.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide an adjusting assembly for adjusting between rollers, which alleviates or avoids the above problems to some extent, and an electrically controlled sliding device for a photographing apparatus having the same.

The utility model provides an adjusting part for automatically controlled slider is used for adjusting distance between a plurality of sliders of automatically controlled slider to eliminate the clearance between each slider and the two guide rails, adjusting part follows the extending direction of two guide rails is arranged and is followed between two sliders of extending direction, be in including rotating piece, joint rotate inboard first driving piece and with the second driving piece that first driving piece is connected, the rotary drive who rotates piece first driving piece for the second driving piece rotates, in order to change adjusting part follows extending direction's length.

In some embodiments, the rotatable member is a substantially hollow cylinder, and the first and second drive members coupled together are movable relative to the rotatable member in the direction of extension.

In some embodiments, the inner side of the rotational member is configured as a non-circular inner side at which the first driver engages.

In some embodiments, the first driver comprises a circular portion arranged in the extension direction and a sleeve, the circular portion being provided at an axial end of the sleeve, the sleeve engaging in a non-circular inner side of the rotary piece.

In some embodiments, the second driver includes a non-circular portion and an engaging portion arranged along the extending direction, the non-circular portion being provided at an axial end of the engaging portion, the engaging portion being engaged with the sleeve.

In some embodiments, the sleeve and the engagement portion are connected to each other by threads.

In some embodiments, the rotating member is provided with two rotating portions arranged in the extending direction and an annular groove between the two rotating portions.

In some embodiments, a stop is engaged in the annular groove to prevent movement of the rotational member in the direction of extension.

The utility model also provides an automatically controlled slider for photographic equipment, include main control assembly, fixing base, install guide assembly between main control assembly and the fixing base, and install slidable slide assembly on the guide assembly, slide assembly include a plurality of sliders with slide on the guide assembly, slide assembly still includes above-mentioned adjusting part.

In some embodiments, the sliding assembly is provided with a first positioning groove corresponding to the first driving member, a second positioning groove corresponding to the second driving member, and a positioning hole corresponding to the rotating member, and the first positioning groove and the second positioning groove are respectively communicated with the positioning cavity for the corresponding sliding member.

The utility model provides an adjusting part for automatically controlled slider, convenient operation and simple structure can eliminate the clearance between sliding assembly and the corresponding 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 an exploded view of the electrically controlled slide shown in fig. 1.

Fig. 3 is an exploded view of a support base of the electrically controlled slide of fig. 1.

Fig. 4 is a further exploded view of the support base shown in fig. 3.

Fig. 5 is an exploded view of a portion of the assembly of the support base shown in fig. 3.

Fig. 6 is an exploded view of the adjustment assembly of the support shoe shown in fig. 3.

Fig. 7 is a further exploded view of the adjustment assembly shown in fig. 6.

Fig. 8 is an axial cross-sectional view of the adjustment assembly shown in fig. 6.

Fig. 9 is an exploded view of the other direction of the support base of the electrically controlled slide shown in fig. 1.

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; 3-a sliding assembly; 31-a support seat; 310-a substrate; 101-a positioning cavity; 102-a first positioning groove; 103-positioning holes; 104-a second positioning groove; 105-a fixation groove; 106-first fixing hole; 107-notches; 108-a recess; 311-a first slide; 110-a connecting part; 111-connection hole; 112-a first connector; 312 — a first adjustment assembly; 120-a stop member; 201-a head; 202-curved portion; 203-end; 121-a rotating member; 211-a turning part; 212-ring groove; 213-non-circular inside; 122 — a first drive member; 221-a circular portion; 222-a sleeve; 123-a second drive member; 231-a non-circular portion; 232-a joint; 124-a second connector; 313-a positioning member; 131-an opening; 132-a via; 133-a second fixation hole; 134-a third connector; 135-a third positioning groove; 136-a fourth detent; 314-a first dust guard; 32-a mounting seat; 320-a body; 321-a second slide; 322-a second adjustment assembly; 323-second dust guard; 4-fixing seat.

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, the electronic control sliding device 100 of the camera device of the present invention includes a main control assembly 1, a fixing base 4, a guiding assembly 2 installed between the main control assembly 1 and the fixing base 4, and a sliding assembly 3 slidably installed on the guiding assembly 2. The main control assembly 1 controls the guide assembly 2 and the slide assembly 3. 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. 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 is arranged at one end of the guide rail 21 far away from the main control assembly 1, is positioned between the two guide rails 21 and is opposite to the main control assembly 1. In this embodiment, the follower is mounted in the fixed seat 4. In this embodiment, the driven member is provided as a set of rotating wheels, comprising two identical gears. Alternatively, the driven member 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 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. Thereby, the driving member 13, the driving belt 22 and the driven member cooperate with each other to realize the synchronous belt transmission.

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. In an alternative embodiment, the sliding assembly 3 may also comprise only the mounting seat 32. For convenience of description, the sliding direction of the support seat 31 along the guide rail 21 is designated as a lateral direction, and the direction perpendicular to the lateral direction and parallel to the guide rail 21 is designated as a longitudinal direction. The support base 31 includes a base plate 310, a plurality of first sliders 311 mounted on the base plate 310, and a first adjustment assembly 312 for adjusting a distance between the plurality of first sliders 311 in a longitudinal direction. In the present embodiment, the plurality of first sliders 311 includes four first sliders. The first adjustment assembly 312 is disposed between the two first sliders 311 on either of the guide rails 21 in the lateral direction. The two first sliding members 311 are respectively moved relative to the base plate 310 by the first adjusting assembly 312 to adjust the distance between the two first sliding members 311 and the two first sliding members 311 on the other guide rail 21, so as to eliminate the gap between each first sliding member 311 and the corresponding guide rail 21.

The base plate 310 is substantially square. Preferably, a plurality of first sliders 311 are mounted at side sides of the substrate 310. The support base 31 is connected to the guide rail 21 of the guide assembly 2 by a first slider 312 and moves relative to the guide rail 21. In the present embodiment, the first slider 312 is designed as a roller to reduce the influence of friction, facilitating the sliding of the support seat 31 relative to the guide rail 22.

Similarly, the mount 32 includes a main body 320, a plurality of second sliders 321 mounted on the main body 320, and a second adjustment assembly 322 for adjusting a distance between the plurality of second sliders 321 in the longitudinal direction. In the present embodiment, the plurality of second sliders 321 includes four second sliders. The second adjusting assembly 322 is disposed between the two second sliders 321 on either one of the guide rails 21 in the lateral direction. The two second sliding parts 321 move relative to the main body 320 under the action of the second adjusting assemblies 322, respectively, to adjust the distance between the two second sliding parts 321 and the two second sliding parts 321 on the other guide rail 21, so as to eliminate the gap between each second sliding part 321 and the corresponding guide rail 21.

Based on the above structure, both the support seat 31 and the mount seat 32 of the slide module 3 can be smoothly moved between the guide rails 21. In the present embodiment, the plurality of first sliders 311 and the plurality of second sliders 321 are arranged in parallel with each other on the two guide rails 21. Further, a first dust proof member 314 and a second dust proof member 323 are respectively provided at outer sides of the first slider 312 and the second slider 322 in a direction of the guide rail 21 to prevent foreign objects from entering the slide module 3 to affect smooth movement thereof.

Since the first adjustment assembly 312 and the second adjustment assembly 322 have similar structures and arrangements, the first adjustment assembly 312 will be described as an example. Referring to fig. 3 to 5, the first adjusting assembly 312 is mounted on a side of the substrate 310 of the supporting base 31 facing the guide rail 21 via a positioning member 313. Both ends of the first regulation member 312 in the lateral direction abut between the two first sliders 311 in the lateral direction, respectively. The base plate 310 of the support base 31 is provided with two positioning cavities 101 for receiving the two first sliders 311. Each first slide member 311 is rotatable relative to the base plate 310 in the corresponding positioning cavity 101. Specifically, each first slider 311 is rotatably disposed in the corresponding positioning cavity 101 through the first link 112 via a connection portion 110. Preferably, the connecting portion 110 is substantially triangular, and each corner is rounded. The corresponding first slider 311 is disposed at one rounded corner of the connecting portion 110, and the connecting portion 110 is provided with a connecting hole 111 at the other rounded corner, through which the connecting portion 110 is rotatably connected to the first connecting member 112.

The first adjusting assembly 312 is disposed between the two positioning cavities 101 along the transverse direction, and two ends of the first adjusting assembly can extend into the two positioning cavities 101 to push the corresponding connecting portion 110 to rotate, so that the position of the corresponding first sliding member 311 is changed. Referring to fig. 4 to 6, the first adjustment assembly 312 includes a rotating member 121, a first driving member 122 engaged inside the rotating member 121, and a second driving member 123 connected to the first driving member 122. The rotating member 121 is a substantially hollow cylinder. The first driving member 122 and the second driving member 123 coupled together are movable in the lateral direction with respect to the rotation member 121. In the present embodiment, the rotation member 121 is provided with two rotation portions 211 in the lateral direction and an annular groove 212 between the two rotation portions 211. A stopper 120 is engaged in the groove 212 to further prevent the rotation member 121 from moving in the lateral direction. The radially outer sides of the two rotating portions 211 are formed in a concavo-convex shape to facilitate the user to rotate the rotating member 121. Preferably, said stop 120 comprises a head 201, an end 203 and a curved portion 202 located between the head 201 and the end 203. The curved portion 202 surrounds the annular groove 212 and allows the rotation member 121 to rotate. Preferably, the stopper 120 is an elastic member. The head 201 is fixed to the base plate 310 of the support base 31 via the second connecting member 124. The end 203 is trapped in the substrate 310. In the present embodiment, the base plate 310 is provided with a fixing groove 105 for receiving the head and a notch 107 for receiving the end 203 at respective portions corresponding to the stopper 120. Preferably, the second link 124 is fixed in the first fixing hole 106 of the fixing groove 105.

Referring also to fig. 6 to 8, the inner side of the hollow rotation member 121 is configured as a non-circular inner side 213. The first driver 122 engages at the non-circular inner side 213. The first driver 122 comprises a circular portion 221 and a sleeve 222 arranged in the transverse direction. The round portion 221 is provided at one axial end of the sleeve 222. The sleeve 222 is engaged in the non-circular inner side 213 of the rotor 121, i.e. the outer circumference of the sleeve 222 is configured in a non-circular shape coinciding with the non-circular inner side 213. In this embodiment, the outer circumference of the sleeve 222 and the non-circular inner side 213 are both configured as hexagons.

The second driver 123 engages the socket 222. In this embodiment, the sleeve 222 has an internal thread. The driver 123 includes a non-circular portion 231 and an engaging portion 232 arranged in the transverse direction. The noncircular portion 231 is provided at one axial end of the engaging portion 232. The engagement portion 232 is engaged within the sleeve 222, i.e. the engagement portion 232 has an external thread which engages with an internal thread of the sleeve 222. In the present embodiment, the non-circular portion 232 is configured in a square shape.

As can be seen from the above arrangement, the engaging portion 232 of the second driving member 123, the sleeve 222 of the first driving member 122 and the rotating member 121 are arranged in the order from the inside to the outside in the radial direction of the rotating member 121. In the lateral direction, there are the non-circular portion 231 of the second driver 123, the rotary member 121, and the circular portion 221 of the first driver 122 in this order. In this embodiment, the circular portion 221 is received in the first positioning groove 102 of the substrate 310 of the supporting base 31, the non-circular portion 231 is received in the second positioning groove 104 of the substrate 310, and the rotating member 121 is positioned in the positioning hole 103 formed in the substrate 310. The first and second detents 102, 104 communicate with the respective detent cavities 101 to enable the circular portion 221 received in the first detent 102 and the non-circular portion 231 received in the second detent 104 to abut the respective connecting portions 110, respectively. Further, the above-described fixing groove 105 and the notch 107 for the stopper 120 are provided on opposite sides of the positioning hole 103, respectively.

In the present embodiment, the first and second positioning grooves 102 and 104 are each provided as a square groove, the round portion 102 is capable of rotating and moving in the first positioning groove 102, and the non-round portion 231 is capable of moving but not rotating in the second positioning groove 104. Accordingly, the rotation of the rotating member 121 drives the sleeve 222 to rotate relative to the non-circular portion 231 to change the length of the first adjusting member 312 in the transverse direction, thereby adjusting the position of the corresponding first slider 311 relative to the guide rail 21 to eliminate the gap between each first slider 311 and the corresponding guide rail 21. It is conceivable that, in order to enable the position of the corresponding first slider 311 to be changed in response to the adjustment of the first adjusting member 312, an elastic member for providing an urging force to the connecting portion 110 is provided between the corresponding connecting portion 110 and the base plate 310, and the position change of the corresponding first slider 311 is achieved in cooperation with the elastic member and the first adjusting member 312.

Referring back to fig. 3 and 4, a positioning member 313 for positioning the first adjusting assembly 312 in the substrate 310 is mounted on the substrate 310 via a plurality of second connectors 124. The positioning member 313 is a substantially square plate, and has an opening 131 corresponding to the rotating member 121, two through holes 132 corresponding to the two first sliding members 311, and a plurality of second fixing holes for mounting the positioning member 313. The rotation member 121 protrudes from the opening 131 to the base plate 310, so that a user can rotate the rotation member 121. Each of the two through holes 132 is substantially oval or C-shaped to facilitate movement of the corresponding first slider 311. Referring to fig. 9, a side of the positioning member 313 facing the substrate 310 is further provided with a third positioning groove 135 (corresponding to the circular portion 221 of the first driving member 122) and a fourth positioning groove 136 (corresponding to the non-circular portion 231 of the second driving member 123) corresponding to each portion of the first adjusting assembly 312. Preferably, the third positioning groove 135 and the fourth positioning groove 136 are respectively communicated with the corresponding through holes 132. In addition, the base plate 310 is provided with a concave portion 108 formed corresponding to the depression of the rotating member 121 on the side away from the guide assembly 2, thereby improving the aesthetic appearance of the support seat 31.

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 (10)

1. An adjustment assembly for an electrically controlled sliding device for adjusting the distance between a plurality of sliding members of the electrically controlled sliding device to eliminate a gap between each sliding member and two guide rails, wherein the adjustment assembly is arranged between the two sliding members in the extending direction along the extending direction of the two guide rails, and comprises a rotating member, a first driving member engaged inside the rotating member, and a second driving member connected to the first driving member, and wherein rotation of the rotating member drives the first driving member to rotate relative to the second driving member to change the length of the adjustment assembly in the extending direction.

2. The adjustment assembly of claim 1 wherein said rotatable member is a generally hollow cylinder, said first and second drive members coupled together being movable relative to said rotatable member in said direction of extension.

3. The adjustment assembly of claim 2, wherein an inner side of the rotational member is configured as a non-circular inner side at which the first driver engages.

4. The adjustment assembly of claim 2, wherein the first driver comprises a circular portion arranged in the direction of extension and a sleeve, the circular portion being provided at one axial end of the sleeve, the sleeve engaging in a non-circular inner side of the rotary member.

5. The adjustment assembly of claim 4, wherein the second driver includes a non-circular portion and an engagement portion arranged along the direction of extension, the non-circular portion being provided at an axial end of the engagement portion, the engagement portion being engaged with the sleeve.

6. The adjustment assembly of claim 5, wherein the sleeve and the engagement portion are threadably connected to one another.

7. The adjustment assembly of claim 1, wherein the rotary member is provided with two rotary portions arranged in the extension direction and an annular groove between the two rotary portions.

8. The adjustment assembly of claim 7 wherein a stop is engaged in said annular groove to prevent movement of said rotational member in said direction of extension.

9. An electrically controlled slide for photographic equipment comprising a master control assembly, a mount, a guide assembly mounted between the master control assembly and the mount, and a slide assembly slidably mounted on the guide assembly, the slide assembly comprising a plurality of slides for sliding on the guide assembly, wherein the slide assembly further comprises an adjustment assembly according to any one of claims 1 to 8.

10. The electrically controlled slide arrangement according to claim 9, wherein the slide assembly is provided with a first detent corresponding to the first drive member, a second detent corresponding to the second drive member, and a detent corresponding to the rotary member, the first detent and the second detent communicating with the detent cavity for the respective slide member, respectively.

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