CN220185724U - Transmission switching mechanism and sliding rail device - Google Patents
Transmission switching mechanism and sliding rail device Download PDFInfo
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- CN220185724U CN220185724U CN202320968820.4U CN202320968820U CN220185724U CN 220185724 U CN220185724 U CN 220185724U CN 202320968820 U CN202320968820 U CN 202320968820U CN 220185724 U CN220185724 U CN 220185724U
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- base
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000009471 action Effects 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of photographic auxiliary equipment, in particular to a transmission switching mechanism and a sliding rail device, which comprise a base, a driving wheel rotationally connected with the base, a driven wheel arranged on one side of the driving wheel, a tensioning wheel arranged between the driving wheel and the driven wheel, and a moving block movably connected with the base, wherein a belt is arranged among the driving wheel, the driven wheel and the tensioning wheel and is in transmission connection through the belt, the driven wheel is arranged on the base and is rotationally connected with the base, and the tensioning wheel is arranged on the moving block and is rotationally connected with the moving block. When the movable block is at the tensioning position, the tensioning wheel tensions the belt, and the belt is simultaneously abutted with the driving wheel, the driven wheel and the tensioning wheel, so that the driving wheel is automatically controlled to rotate to drive the base to move relative to the belt; when the movable block is at the loosening position, the belt is loosened by the tensioning wheel, the belt is not contacted with the driving wheel, the movement of the base is not controlled by the driving wheel, and the belt is moved by manual control.
Description
Technical Field
The utility model relates to the technical field of photographic auxiliary equipment, in particular to a transmission switching mechanism and a sliding rail device.
Background
Along with the improvement of living standard, no matter work or life, the intelligent mobile phone, camera equipment and the like for shooting are more and more popular, in the shooting and shooting process, in order to bring more colorful shooting pictures for people, mobile shooting is often required, or a better shooting effect is achieved by moving and adjusting the position of the shooting equipment, so that a sliding rail device capable of driving the shooting equipment to move is required to be provided for the shooting equipment. When the sliding rail device is used, electric control is sometimes needed, manual adjustment is sometimes needed so as to achieve the required shooting effect, but in the prior art, manual and electric switching is complicated, the belt is required to be detached from the sliding rail, electric operation can be changed into manual operation, and after the belt is detached, the problem of storage of the belt is also required to be considered, so that the sliding rail device is very inconvenient for a user.
Disclosure of Invention
In order to solve the problems in the background art, the utility model provides a transmission switching mechanism and a sliding rail device, wherein the transmission switching mechanism can realize the switching between automatic sliding and manual sliding, is simple to operate and convenient and quick to use, and the sliding rail device provided with the transmission switching mechanism can realize the switching between automatic sliding and manual sliding of a sliding table.
The utility model adopts the following technical scheme:
the utility model provides a transmission switching mechanism, includes the base, rotates the action wheel of being connected with the base, sets up from the driving wheel in action wheel one side, sets up the take-up pulley between action wheel and follow the driving wheel and with the movable block of base removal connection, be provided with the belt between action wheel, follow driving wheel, the take-up pulley and pass through belt transmission connection, install from the driving wheel on the base and rotate with the base and be connected, the take-up pulley is installed on the movable block and is rotated with the movable block and be connected.
In the preferable technical scheme of the transmission switching mechanism, the transmission switching mechanism further comprises a jacking cam, wherein the jacking cam is rotationally connected with the base, and the edge of the jacking cam is abutted with the moving block.
In the preferable technical scheme of the transmission switching mechanism, a cam knob is fixedly arranged on the jacking cam.
In the preferable technical scheme of the transmission switching mechanism, an elastic connecting piece is arranged between the moving block and the base.
In the above preferred technical scheme of the transmission switching mechanism, two driven wheels are respectively arranged at two sides of the driving wheel, two tensioning wheels are respectively arranged between the driving wheel and any driven wheel.
In the preferable technical scheme of the transmission switching mechanism, the transmission switching mechanism further comprises a motor, and the motor is in transmission connection with the driving wheel.
In the preferable technical scheme of the transmission switching mechanism, a driving gear is fixedly arranged on an output shaft of the motor, a driven gear is coaxially and fixedly arranged on the driving wheel, and the driving gear is in meshed transmission connection with the driven gear.
In the preferable technical scheme of the transmission switching mechanism, two ends of the belt are respectively provided with a belt telescoping device.
The utility model provides a slide rail device, includes the track, and the slip table that removes on the track, still includes the transmission shifter who installs on the slip table, and the both ends of belt are installed at orbital both ends respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1) The transmission switching mechanism drives the driven wheel to move through the moving block, the position of the moving block comprises a tensioning position and a releasing position, when the moving block is at the tensioning position, the tensioning wheel tensions the belt, the belt is simultaneously abutted with the driving wheel, the driven wheel and the tensioning wheel, and at the moment, the driving wheel is driven to rotate through automatic control to drive the base to move relative to the belt; when the movable block is at the position of loosening, the tensioning wheel loosens the belt, the belt is not contacted with the belt any more, and the belt is not contacted with the driving wheel, at the moment, the movement of the base is not controlled by the driving wheel any more, the base can be moved through manual control, the automatic control and the manual control of the base can be switched, the belt does not need to be detached during the manual control, and the storage problem of the belt does not need to be considered.
2) According to the utility model, the edge of the pushing cam is abutted with the moving block, the pushing cam rotates around the axis, when the edge of the far end of the pushing cam, which is far away from the axis, is abutted with the moving block, the moving block moves to a tensioning position, the belt is in tensioning and abutting connection with the driving wheel, and the base moves through automatic control; when the near-end edge position, which is close to the axle center, of the pushing cam is abutted against the moving block, the moving block moves to a loosening position, the belt is not contacted with the driving wheel, and the base moves through manual control.
3) According to the utility model, the driven wheel and the tensioning wheel are respectively arranged at two sides of the driving wheel, so that when the moving block moves to the tensioning position, the belt is in closer contact with the driving wheel, the driven wheel and the tensioning wheel, the contact area is larger, and the transmission effect is better.
4) The belt stretching devices are arranged at the two ends of the belt respectively and are used for adjusting the length of the belt, and when the moving block is at a loosening position, the belt is still in a straightened state through the adjustment of the belt stretching devices, so that the belt is ensured not to be in contact with the driving wheel, and the base is in a manual control state.
Drawings
For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the whole structure of a slide rail device according to the present utility model;
fig. 2 is a schematic diagram of the internal structure of the portion a of fig. 1.
In the figure: the device comprises a 1-track, a 2-sliding table, a 3-transmission switching mechanism, a 31-base, a 32-driving wheel, a 33-driven wheel, a 34-tensioning wheel, a 35-moving block, a 36-belt, a 37-pushing cam, a 38-cam knob, a 39-elastic connecting piece and a 40-belt telescopic device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
The utility model is discussed in detail below in conjunction with fig. 1-2 and the specific embodiments:
the embodiment of the utility model provides a transmission switching mechanism, which is shown in fig. 1-2, and comprises a base 31, a driving wheel 32 rotationally connected with the base 31, a driven wheel 33 arranged on one side of the driving wheel 32, a tensioning wheel 34 arranged between the driving wheel 32 and the driven wheel 33, and a moving block 35 movably connected with the base 31, wherein a belt 36 is arranged among the driving wheel 32, the driven wheel 33 and the tensioning wheel 34 and is in transmission connection through the belt 36, the driven wheel 33 is arranged on the base 31 and is rotationally connected with the base 31, and the tensioning wheel 34 is arranged on the moving block 35 and is rotationally connected with the moving block 35; the movable block 35 drives the driven wheel 33 to move, the position of the movable block 35 comprises a tensioning position and a releasing position, when the movable block 35 is in the tensioning position, the tensioning wheel 34 stretches the belt 36, the belt 36 is simultaneously abutted with the driving wheel 32, the driven wheel 33 and the tensioning wheel 34, and at the moment, the driving wheel 32 is rotated through automatic control to drive the base 31 to move relative to the belt 36; when the moving block 35 is at the releasing position, the tensioning wheel 34 releases the belt 36, the belt 36 is not contacted with the belt 36 any more, and the belt 36 is not contacted with the driving wheel 32 any more, at this time, the movement of the base 31 is not controlled by the driving wheel 32 any more, the movement can be performed through manual control, the switching between automatic control and manual control of the base 31 is realized, and the belt 36 does not need to be detached during manual control, and the storage problem of the belt 36 does not need to be considered. The automatic control rotation of the driving wheel 32 is realized by a driving mechanism, which adopts a structure of the prior art, so long as the rotation of the driving wheel 32 can be realized.
In the preferred technical solution of the above transmission switching mechanism 3, the transmission switching mechanism further comprises a pushing cam 37, the pushing cam 37 is rotatably connected with the base 31, and the edge of the pushing cam 37 abuts against the moving block 35. The tightening cam 37 rotates around the axis, when the edge of the far end of the tightening cam 37, which is far away from the axis, is abutted against the moving block 35, the moving block 35 moves to a tensioning position, the belt 36 is in tensioning abutment against the driving wheel 32, and the base 31 moves through automatic control; when the proximal edge position of the pressing cam 37, which is closer to the axial center, abuts against the moving block 35, the moving block 35 moves to the releasing position, the belt 36 does not contact the driving wheel 32, and the base 31 is moved by manual control.
In the preferred technical scheme of the transmission switching mechanism 3, the cam knob 38 is fixedly installed on the tightening cam 37, the cam knob 38 is convenient for a user to directly operate by hand, and the rotation of the cam knob 38 drives the tightening cam 37 to rotate, so that the switching between automatic control and manual control is realized.
In the preferred embodiment of the above-described transmission switching mechanism 3, an elastic connection 39 is provided between the moving block 35 and the base 31, the elastic connection 39 being used to ensure that the moving block 35 is in a relaxed position when no external force is applied, and to move the moving block 35 to a tensioned position when an external force is applied. Preferably, the elastic connection member 39 may be a spring, which is low in cost and easy to install.
In the preferred technical scheme of the transmission switching mechanism 3, two driven wheels 33 are respectively arranged on two sides of the driving wheel 32, two tensioning wheels 34 are respectively arranged between the driving wheel 32 and any one driven wheel 33, and the two driven wheels 33 and the tensioning wheels 34 are arranged, so that when the moving block 35 moves to a tensioning position, the belt 36 is in closer contact with the driving wheel 32, the driven wheels 33 and the tensioning wheels 34, the contact area is larger, and the transmission effect is better.
In the preferred technical scheme of the transmission switching mechanism 3, the transmission switching mechanism further comprises a motor, wherein the motor is in transmission connection with the driving wheel 32, and the motor drives the driving wheel 32 to rotate.
In the preferred technical solution of the above transmission switching mechanism 3, a driving gear is fixedly mounted on the output shaft of the motor, a driven gear is coaxially and fixedly mounted on the driving wheel 32, the driving gear is engaged with the driven gear for transmission connection, and the moving speed of the base 31 is adjusted to a suitable speed through the engaged transmission of the driving gear and the driven gear, and the bearing capacity of the base 31 is improved.
In the above preferred technical solution of the transmission switching mechanism 3, two belt retractors 40 are respectively disposed at two ends of the belt 36, for adjusting the length of the belt 36, and when the moving block 35 is in the release position, the belt 36 is still in a straightened state by adjusting the belt retractors 40, so as to ensure that the belt 36 is not in contact with the driving wheel 32, and the base 31 is in a manual control state.
The utility model provides a slide rail device, includes track 1 and slip table 2 that moves on track 1, still includes the transmission shifter 3 of installing on slip table 2, and the slip table 2 of installing transmission shifter 3 is installed at track 1's both ends respectively at the both ends of belt 36, and the removal mode on track 1 can realize automatic control and manual control's free switch, switches portably, and need not to pull down belt 36, convenient operation.
The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (8)
1. The utility model provides a transmission switching mechanism which characterized in that: the device comprises a base, a driving wheel rotationally connected with the base, a driven wheel arranged on one side of the driving wheel, a tensioning wheel arranged between the driving wheel and the driven wheel, and a moving block movably connected with the base, wherein a belt is arranged among the driving wheel, the driven wheel and the tensioning wheel and is in transmission connection through the belt, the driven wheel is arranged on the base and is rotationally connected with the base, and the tensioning wheel is arranged on the moving block and is rotationally connected with the moving block; two ends of the belt are respectively provided with a belt telescoping device.
2. The transmission switching mechanism according to claim 1, wherein: the lifting device further comprises a lifting cam, the lifting cam is rotationally connected with the base, and the edge of the lifting cam is abutted with the moving block.
3. The transmission switching mechanism according to claim 2, wherein: and a cam knob is fixedly arranged on the jacking cam.
4. The transmission switching mechanism according to claim 1, wherein: an elastic connecting piece is arranged between the moving block and the base.
5. The transmission switching mechanism according to claim 1, wherein: the driven wheels are arranged at two sides of the driving wheel respectively, the tensioning wheels are arranged at two sides of the driving wheel, and the tensioning wheels are arranged between the driving wheel and any driven wheel respectively.
6. The transmission switching mechanism according to claim 1, wherein: the motor is in transmission connection with the driving wheel.
7. The transmission switching mechanism according to claim 6, wherein: the driving gear is fixedly arranged on the output shaft of the motor, the driven gear is coaxially and fixedly arranged on the driving wheel, and the driving gear is in meshed transmission connection with the driven gear.
8. The utility model provides a slide rail device, includes the track, and is in the slip table that removes on the track, its characterized in that: the transmission switching mechanism according to any one of claims 1 to 7, which is mounted on the sliding table, wherein two ends of the belt are respectively mounted at two ends of the rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968820.4U CN220185724U (en) | 2023-04-26 | 2023-04-26 | Transmission switching mechanism and sliding rail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968820.4U CN220185724U (en) | 2023-04-26 | 2023-04-26 | Transmission switching mechanism and sliding rail device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185724U true CN220185724U (en) | 2023-12-15 |
Family
ID=89101451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320968820.4U Active CN220185724U (en) | 2023-04-26 | 2023-04-26 | Transmission switching mechanism and sliding rail device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185724U (en) |
-
2023
- 2023-04-26 CN CN202320968820.4U patent/CN220185724U/en active Active
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