CN212987118U - Lens tilting mechanism - Google Patents
Lens tilting mechanism Download PDFInfo
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- CN212987118U CN212987118U CN202021586448.3U CN202021586448U CN212987118U CN 212987118 U CN212987118 U CN 212987118U CN 202021586448 U CN202021586448 U CN 202021586448U CN 212987118 U CN212987118 U CN 212987118U
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- sliding support
- lens
- limiting
- fixing plate
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Abstract
The utility model relates to the technical field of stage lighting equipment, in particular to a lens turnover mechanism, which comprises a fixed frame, a driving piece, a sliding support, a plurality of rotating pieces and mounting pieces in one-to-one correspondence with the rotating pieces, wherein the fixed frame is provided with a limiting piece; the driving piece is connected with the fixing frame, and the fixing frame is used for fixing the driving piece; the sliding support is respectively connected with the fixed frame and the driving piece, and the driving piece is used for driving the sliding support to slide relative to the fixed frame. The utility model provides a technical scheme uses the upset of less part realization installed part, simple structure, and the space is compact.
Description
Technical Field
The utility model relates to a stage lighting equipment technical field especially relates to a lens tilting mechanism.
Background
The dyeing lamp can dye the whole stage in a soft light mode, and a light scattering mirror which can move relative to a light source is generally arranged inside the dyeing lamp and used for changing the size of light spots emitted by the lamp.
The zoom optics of the dyed lamp is not always in the light path of the lamp like stage lamps such as pattern lamps and light beam lamps. The zoom optics of the dyeing lamp generally adopts a diffuser, and when the light spots need to be softened or zoomed, the diffuser is positioned in the light path or moves up and down relative to the light source; otherwise, the astigmatic lens is not in the optical path to obtain a clear illumination effect. Since the astigmatic lens is generally large, the astigmatic lens is generally cut into left and right parts from the middle, and the two parts are turned over so as to avoid the optical path or be positioned in the optical path.
In the prior art, the structures of the fixed astigmatic lens and the movable astigmatic lens are complex, and the structures occupy large space.
Therefore, a simple lens turnover mechanism is needed.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a lens turning mechanism with simple structure, which solves the problems of complex structure, large occupied space and the like of the fixed astigmatic lens and the movable astigmatic lens.
In order to achieve the above object, the present invention provides a lens turning mechanism, which comprises:
the fixing frame is provided with a limiting piece;
a drive member;
the driving piece is connected with the fixing frame, and the fixing frame is used for fixing the driving piece;
the device comprises a sliding support, a plurality of rotating pieces and mounting pieces which correspond to the rotating pieces one by one;
the sliding support is respectively connected with the fixed frame and the driving piece, and the driving piece is used for driving the sliding support to slide relative to the fixed frame;
the rotating pieces are arranged on the sliding support at intervals along a first direction, wherein the first direction is perpendicular to the sliding direction of the sliding support;
each rotating piece is connected with one mounting piece, the projection of each mounting piece along the sliding direction of the sliding support is partially overlapped with the projection of the limiting piece, and when the sliding support slides in a stroke relative to the fixed frame, the limiting pieces are relatively close to and in contact with the mounting pieces, and then the mounting pieces rotate around the rotating pieces relative to the sliding support;
a lens;
the lens is divided into a plurality of lens units, and each lens unit is connected with one mounting piece.
Preferably, the rotating part comprises a bearing outer ring, a bearing inner ring, a bearing sleeve connected with the bearing outer ring, and a rotating shaft connected with the bearing inner ring, the bearing outer ring is connected with the bearing inner ring through a rolling body in a rolling manner, the rotating shaft is connected with the sliding support, and the bearing sleeve is connected with the mounting part.
Preferably, the lens turnover mechanism further includes an elastic member, the elastic member includes a spiral body portion, and a first limit arm and a second limit arm that are respectively formed by extending from two ends of the body portion, a groove is formed in the bearing sleeve along the axial direction of the bearing sleeve, the elastic member is sleeved outside the groove, the first limit arm is connected with the mounting member or penetrates through the mounting member, and the second limit arm is connected with the sliding support.
Preferably, the mounting member includes a first fixing plate, a second fixing plate connected to a side surface of the first fixing plate, a third fixing plate vertically connected to a bottom surface of the first fixing plate near one end of the sliding bracket, and a limit mating member disposed on a side surface of the third fixing plate near the sliding bracket and mating with the limiting member, and the third fixing plate is connected to the rotating member;
the projection of the third fixing plate along the sliding direction of the sliding support is not overlapped with the projection of the limiting piece, and the projection of the limiting matching piece along the sliding direction of the sliding support is partially overlapped with the projection of the limiting piece;
the first fixing plate is used for supporting the lens unit, the second fixing plate is used for limiting the displacement of the lens unit relative to the first fixing plate, and the third fixing plate is used for installing the rotating piece and the limiting matching piece.
Preferably, the lens turnover mechanism further comprises a reset column, the reset column is arranged on the sliding support and located at the bottom of the rotating shaft, and the second limit arm abuts against the reset column.
Preferably, the rotating members are two and are symmetrically mounted to the sliding bracket.
Preferably, one side that is close to one of locating part the installed part is equipped with the breach, works as sliding support slides relatively in the mount stroke, locating part and a plurality of installed parts are close to relatively, the contact back, is equipped with the breach the installed part is relative all the other the installed part is around it is relative to rotate the sliding support postpones the rotation.
Preferably, the driving piece includes motor, hold-in range, drive wheel and follows the driving wheel, the motor with the mount is connected, is used for fixed motor, the motor with the drive wheel is connected, is used for the drive wheel, follow the driving wheel with the mount is connected, the hold-in range overlap respectively establish with the drive wheel and follow the outside of driving wheel, in order to be used for driving the hold-in range rotates, the hold-in range still with sliding support connects, is used for driving sliding support is relative the mount slides.
Preferably, the fixed frame is provided with a slide way, and the sliding support is provided with a sliding block matched with the slide way.
The technical scheme provided by the utility model, following advantage has:
each rotating piece is connected with one mounting piece, the projection of each mounting piece along the sliding direction of the sliding support is partially overlapped with the projection of the limiting piece, and when the sliding support slides in a stroke relative to the fixed frame, the limiting pieces are relatively close to and in contact with the mounting pieces, and then the mounting pieces rotate around the rotating pieces relative to the sliding support; the overturning of the mounting part is realized by using fewer parts, the structure is simple, and the space is compact.
Drawings
Fig. 1 is a schematic perspective view of a lens turnover mechanism provided in the present invention;
fig. 2 is a schematic perspective view illustrating an opened state of a mounting member of a lens tilting mechanism according to the present invention;
fig. 3 is a side view of the lens turnover mechanism provided by the present invention when the mounting member is just opened;
fig. 4 is a schematic perspective view of a mounting member of a lens tilting mechanism according to the present invention;
fig. 5 is a schematic perspective view of a rotating member of the lens turnover mechanism according to the present invention.
In the figure: 1. a fixed mount; 11. a slide rail; 2. a limiting member; 3. a sliding support; 31. a reset column; 32. A fastener; 4. a first mounting member; 5. a second mount; 21. a top left edge; 22. a top right edge; 41. a first fixing plate; 411. mounting holes; 412. a first accommodating space; 413. a second accommodating space; 42. A second fixing plate; 421. a limiting groove; 47. a third fixing plate; 414. folding edges; 42. a rotating member; 421. A bearing seat tooth hole; 422. a bearing seat fixing plane; 423. a groove; 424. a bearing inner race; 43. a limit fitting piece (which can be a turnover pulley); 44. an elastic member; 441. a first spacing arm; 442. a first spacing arm; 45. a first lens; 451. a first inclined plane; 55. a second lens; 551. a second inclined plane; 71. A drive member; 72. a synchronous belt; 73; a synchronous pulley; 8. and a Hall sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a lens turnover mechanism, including:
the fixing frame 1 is provided with a limiting piece 2; preferably, the limiting member 2 is arranged in the middle of the bottom of the sliding bracket 3;
a driving member 71;
the driving piece 71 is connected with the fixed frame 1, and the fixed frame 1 is used for fixing the driving piece 71;
the sliding device comprises a sliding support 3, a plurality of rotating parts 42 and mounting parts which correspond to the rotating parts 42 one by one;
the sliding support 3 is respectively connected with the fixed frame 1 and the driving element 71, and the driving element 71 is used for driving the sliding support 3 to slide relative to the fixed frame 1;
the rotating pieces 42 are arranged on the sliding support 3 at intervals along a first direction, wherein the first direction is perpendicular to the sliding direction of the sliding support 3;
each rotating member 42 is connected to one of the mounting members, a projection of each mounting member along the sliding direction of the sliding support 3 overlaps with a projection of the limiting member 2, and when the sliding support 3 slides in a stroke relative to the fixed frame 1, the limiting member 2 and the mounting members are relatively close to and in contact with each other, and then the mounting members rotate around the rotating members 42 relative to the sliding support 3;
a lens;
the lens is divided into a plurality of lens units, and each lens unit is connected with one mounting piece.
In the application, the driving part 71 drives the sliding support 3 to slide relative to the fixed frame 1, the longitudinal distance of the fixed frame 1 is the stroke of the sliding support 3, the plurality of rotating parts 42 and the mounting parts all slide relative to the fixed frame 1, in the sliding process, the mounting parts and the limiting parts 2 are matched with each other, only the continuous sliding of the mounting parts is blocked, and the mounting parts are pushed to rotate by taking the rotating parts 42 as rotating shafts, preferably, the mounting parts rotate around the rotating parts 42 relative to the sliding support 3 along the plane of the sliding direction of the sliding support 3, at this time, the sliding support 3 still moves continuously, and the rotation of the mounting parts and the movement of the sliding support 3 are simultaneously performed, so that the mounting parts are opened or closed; wherein fig. 1 shows the closed state of the mounting member, fig. 2 shows the fully opened state of the mounting member, and fig. 3 shows the state of the mounting member just after opening.
Referring to fig. 4 again, the mounting member includes a first fixing plate 41, a second fixing plate 42 connected to a side surface of the first fixing plate 41, a third fixing plate 47 vertically connected to a bottom surface of the first fixing plate 41 near one end of the sliding bracket 3, and a limiting mating member disposed on a side surface of the third fixing plate 47 near the sliding bracket 3 and mating with the limiting member 2, the third fixing plate 47 divides a bottom space of the first fixing plate 41 into a smaller first accommodating space 412 and a larger second accommodating space 413, the first fixing plate 41 is connected to the rotating member 42, specifically, a mounting hole 411 disposed on the first fixing plate 41 is connected to the rotating member 42 by a screw, and an avoiding slot for the rotating member 42 to pass through is disposed on the third fixing plate 47; the projection of the third fixing plate 47 along the sliding direction of the sliding bracket 3 does not overlap with the projection of the limiting piece 2, and the projection of the limiting matching piece along the sliding direction of the sliding bracket 3 partially overlaps with the projection of the limiting piece 2; the first fixing plate 41 is used for supporting the lens unit, the second fixing plate 42 is used for limiting the displacement of the lens unit relative to the first fixing plate 41, and the third fixing plate 47 is used for mounting the rotating member 42 and the limit mating member.
Specifically, the rotating member 42 includes a bearing outer ring, a bearing inner ring 424, a bearing sleeve connected to the bearing outer ring, and a rotating shaft connected to the bearing inner ring 424, the bearing outer ring and the bearing inner ring 424 are connected by rolling elements in a rolling manner, the rotating shaft is connected to the sliding support 3, and the bearing sleeve is connected to the mounting member; in the application, a bearing seat fixing plane 422 is formed at the top of the bearing sleeve, a bearing seat tooth hole 421 is formed in the bearing seat fixing plane 422, and the bearing seat tooth hole 421 is used for being fixedly connected with the first fixing plate 41; and is directly locked into the third fixing plate 47 for fixation by the rotation shaft as a rotation shaft.
The two rotating members 42 are symmetrically mounted to the sliding bracket 3.
A notch is formed in one side of the limiting part 2 close to one of the mounting parts, specifically, two sides of the top of the limiting part 2 include a normal left top edge 21 and a right top edge 22 provided with a notch, when the sliding support 3 slides relative to the fixed mount 1 in the stroke, the limiting part 2 is relatively close to and in contact with the mounting parts, and then the mounting parts provided with the notches rotate relative to the rest of the mounting parts relative to the sliding support 3 in a delayed manner around the rotating part 42; in the application, the lens is an astigmatic lens, a whole astigmatic lens is obliquely cut from the middle, and when the astigmatic lens is closed, no light directly leaks from the gap in the middle; when the vertical cutting is avoided, in order to prevent the two astigmatic lenses from colliding and being damaged, the light leakage phenomenon of the gap reserved in the middle can be avoided.
The driving piece 71 includes motor, hold-in range 72, drive wheel and follows the driving wheel, the motor with mount 1 is connected, is used for fixed motor, the motor with the drive wheel is connected, is used for the drive wheel, follow the driving wheel with mount 1 is connected, hold-in range 72 overlap respectively establish with the drive wheel and follow the outside of driving wheel, in order to be used for driving hold-in range 72 rotates, hold-in range 72 still with sliding support 3 is connected, is used for driving sliding support 3 is relative mount 1 slides.
The fixed frame 1 is provided with a slide rail 11, and the sliding support 3 is provided with a slide block matched with the slide rail 11.
Referring to fig. 5, the lens turnover mechanism further includes an elastic member 44, the elastic member includes a spiral body portion, and a first limiting arm 441 and a second limiting arm 442 respectively extending from two ends of the body portion, a groove 423 is formed along an axial direction of the bearing sleeve, the elastic member 44 is sleeved outside the groove 423, the first limiting arm 441 is connected to the mounting member, and the second limiting arm 442 is connected to the sliding bracket 3.
The first limiting arm 441 penetrates through the mounting piece or is abutted against the mounting piece. Preferably, the lens turnover mechanism further includes a reset column 31, the reset column 31 is fixedly connected to the sliding support 3, the reset column 31 is clamped to the second limit arm 442 to limit the displacement of the elastic member 44, the reset column 31 is disposed on the mounting member and located at the bottom of the rotating shaft, the reset column 31 does not overlap with the bearing sleeve along the projection of the first direction, and the second limit arm 442 abuts against the reset column 31.
In this application, lens tilting mechanism still includes hall sensor 8 and magnet, and one of them hall sensor 8 and magnet is installed on mount 1, and another is installed on sliding bracket 3, and at the gliding in-process of sliding bracket 3, if when hall sensor 8 was sensed to magnet, driving piece 71 stall, and first installed part 4 and second installed part 5 are opened completely this moment, the state of fig. 2 promptly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A lens turnover mechanism, comprising:
the fixing frame is provided with a limiting piece;
a drive member;
the driving piece is connected with the fixing frame, and the fixing frame is used for fixing the driving piece;
the device comprises a sliding support, a plurality of rotating pieces and mounting pieces which correspond to the rotating pieces one by one;
the sliding support is respectively connected with the fixed frame and the driving piece, and the driving piece is used for driving the sliding support to slide relative to the fixed frame;
the rotating pieces are arranged on the sliding support at intervals along a first direction, wherein the first direction is perpendicular to the sliding direction of the sliding support;
each rotating piece is connected with one mounting piece, the projection of each mounting piece along the sliding direction of the sliding support is partially overlapped with the projection of the limiting piece, and when the sliding support slides in a stroke relative to the fixed frame, the limiting pieces are relatively close to and in contact with the mounting pieces, and then the mounting pieces rotate around the rotating pieces relative to the sliding support;
a lens;
the lens is divided into a plurality of lens units, and each lens unit is connected with one mounting piece.
2. The lens flipping mechanism of claim 1, wherein: the rotating piece comprises a bearing outer ring, a bearing inner ring, a bearing sleeve connected with the bearing outer ring, and a rotating shaft connected with the bearing inner ring, the bearing outer ring is connected with the bearing inner ring in a rolling manner through a rolling body, the rotating shaft is connected with the sliding support, and the bearing sleeve is connected with the mounting piece.
3. The lens flipping mechanism of claim 2, wherein: the lens turnover mechanism further comprises an elastic piece, the elastic piece comprises a spiral body part, a first limiting arm and a second limiting arm, the first limiting arm and the second limiting arm are formed by extending from two ends of the body part respectively, a groove is formed in the bearing sleeve along the axial direction of the bearing sleeve, the elastic piece is sleeved on the outer side of the groove, the first limiting arm is connected with the mounting part or penetrates through the mounting part, and the second limiting arm is connected with the sliding support.
4. The lens flipping mechanism of claim 3, wherein: the mounting piece comprises a first fixing plate, a second fixing plate connected with one side face of the first fixing plate, a third fixing plate vertically connected with the bottom face of one end, close to the sliding support, of the first fixing plate, and a limiting matching piece arranged on the side face, close to the sliding support, of the third fixing plate and matched with the limiting piece, wherein the third fixing plate is connected with the rotating piece;
the projection of the third fixing plate along the sliding direction of the sliding support is not overlapped with the projection of the limiting piece, and the projection of the limiting matching piece along the sliding direction of the sliding support is partially overlapped with the projection of the limiting piece;
the first fixing plate is used for supporting the lens unit, the second fixing plate is used for limiting the displacement of the lens unit relative to the first fixing plate, and the third fixing plate is used for installing the rotating piece and the limiting matching piece.
5. The lens flipping mechanism of claim 3, wherein: the lens turnover mechanism further comprises a reset column, the reset column is arranged on the sliding support and located at the bottom of the rotating shaft, and the second limiting arm abuts against the reset column.
6. The lens flipping mechanism of claim 1, wherein: the rotating pieces are two and are symmetrically arranged on the sliding support.
7. The lens flipping mechanism of claim 6, wherein: one side that is close to one of locating part the installed part is equipped with the breach, works as sliding bracket is relative when the mount slides in the stroke, locating part and a plurality of installed part are close to relatively, after the contact, are equipped with the breach the installed part is relative all the other the installed part is wound the rotation piece is relative sliding bracket delays to rotate.
8. The lens flipping mechanism of claim 1, wherein: the driving piece includes motor, hold-in range, drive wheel and follows the driving wheel, the motor with the mount is connected, is used for fixed motor, the motor with the drive wheel is connected, is used for the drive wheel, follow the driving wheel with the mount is connected, the hold-in range overlap respectively establish with the drive wheel and from the outside of driving wheel, in order to be used for driving the hold-in range rotates, the hold-in range still with sliding support connects, is used for driving sliding support is relative the mount slides.
9. The lens flipping mechanism of claim 1, wherein: the fixed frame is provided with a slide way, and the sliding support is provided with a sliding block matched with the slide way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586448.3U CN212987118U (en) | 2020-08-03 | 2020-08-03 | Lens tilting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586448.3U CN212987118U (en) | 2020-08-03 | 2020-08-03 | Lens tilting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN212987118U true CN212987118U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021586448.3U Active CN212987118U (en) | 2020-08-03 | 2020-08-03 | Lens tilting mechanism |
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| CN (1) | CN212987118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116506564A (en) * | 2022-10-27 | 2023-07-28 | 浙江必虎科技有限公司 | Blue back mirror angle adjusting assembly for laser television and laser television |
-
2020
- 2020-08-03 CN CN202021586448.3U patent/CN212987118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116506564A (en) * | 2022-10-27 | 2023-07-28 | 浙江必虎科技有限公司 | Blue back mirror angle adjusting assembly for laser television and laser television |
| CN116506564B (en) * | 2022-10-27 | 2023-12-08 | 浙江必虎科技有限公司 | Blue reverse mirror angle adjustment assembly and laser projection device |
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