CN203433259U - Lens adjustment device of projector - Google Patents
Lens adjustment device of projector Download PDFInfo
- Publication number
- CN203433259U CN203433259U CN201320488777.8U CN201320488777U CN203433259U CN 203433259 U CN203433259 U CN 203433259U CN 201320488777 U CN201320488777 U CN 201320488777U CN 203433259 U CN203433259 U CN 203433259U
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- fixed
- fixing plate
- lens
- fixed head
- motor
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Abstract
The utility model discloses a lens adjustment device of a projector. The lens adjustment device comprises a base seat, side supports on the base seat, a first fixing plate fixed on front sides of the side supports, vertical guide rods fixed on a front side of the first fixing plate, a vertical motor vertically fixed on the front side of the first fixing plate via a first fixing block, a second fixing plate sleeved on the vertical guide rods, a first connecting rod fixed on a rear side of the second fixing plate, a horizontal motor horizontally fixed on the rear side of the second fixing plate via a second fixing block, horizontal guide rods fixed on a front side of the second fixing plate, a lens fixing plate sleeved on the horizontal guide rods and a second connecting rod fixed on a rear side of the lens fixing plate. A positioning part of a lens is directly driven by the motors to slide on the slide rods, a fine adjustment can be carried out, gaps generated by multistage transmission parts are prevented, and positioning accuracy and stability are improved.
Description
Technical field
The utility model relates to projector equipment field, relates in particular to a kind of lens adjusting apparatus of projector.
Background technology
Projector throws into screen by camera lens by image, for making image can project to suitable position, conventionally need to regulate height or the angle of projector.When projector places on the table, the most frequently used method is exactly by regulating the height of lower margin, thereby position and the angle of change camera lens realize.Also the method that has had in the market motorized adjustment camera lens is mainly that motor drives the fixed sturcture of camera lens to realize by rack-and-pinion, turbine worm etc.
The adjustment of lens location, when being used the mode that regulates lower margin, because a machine may have 3 or 4 lower margins; and lower margin is also born machine weight and realizes stability simultaneously; during adjusting, may need to adjust a plurality of lower margins, this just brings inconvenience, while especially finely tuning.And this mode, can only do vertical direction adjustment, can not carry out horizontal direction adjustment, only the movement by machine realizes horizontal direction adjustment, is so just difficult to realize fine setting.
The adjustment of lens location, when using electronic mode to regulate, as previously mentioned, is generally to drive camera lens by rack-and-pinion, turbine worm etc.What transmission is this mode be by, because the cooperation between rack-and-pinion, turbine worm exists gap, when the progression of transmission is more, finally can have influence on positional precision and the stability of camera lens.
Utility model content
The purpose of this utility model is to provide a kind of lens adjusting apparatus of projector, with the positioning element of driven by motor camera lens, on slide bar, slides, and improves degree of accuracy and the stability of location.
The technical solution of the utility model is a kind of lens adjusting apparatus of projector, comprise: base, be fixed on the side stand on this base, be fixed on the first fixed head of this side stand front side, be fixed on the vertical guide rod of this first fixed head front side, by the first fixed block, be vertically fixed on the vertical motor of described the first fixed head front side, be set in the second fixed head on described vertical guide rod, be fixed on the head rod of the second fixed head rear side, by the second fixed block, be horizontally fixed on the horizontal motor of the second fixed head rear side, be fixed on the horizontal guide of the second fixed head front side, the second connecting link that is set in the lens fixing plate in this horizontal guide and is fixed on this lens fixing plate rear side, wherein, on described the first fixed head and the second fixed head, there is through hole, described vertical motor is threaded with head rod by expansion link, described the second connecting link, through the through hole on the second fixed head, is threaded with the expansion link on described horizontal motor.On described lens fixing plate, have through hole, camera lens is successively through lens fixing plate, the second fixed head and the first fixed head, is set in the front side that installing plate on camera lens is bolted on described lens fixing plate.While adjusting lens location, vertically motor is connected the mainboard in projector with horizontal motor, and mainboard connects button group.Button left in pressing keys group, horizontal driven by motor lens fixing plate slides left; Button to the right in pressing keys group, horizontal driven by motor lens fixing plate slides to the right; The button making progress in pressing keys group, vertically driven by motor the second fixed head upward sliding; Downward button in pressing keys group, vertically driven by motor the second fixed head down sliding.User can be according to actual needs, and adjustable lens slides up and down, final fixing in place.The technical program is slided on slide bar by the positioning element of motor straight tape splicing index glass head, can finely tune, and has also avoided the gap of using Multi-stage transmission parts to produce, and has improved degree of accuracy and the stability of location.
Further, there is the first limit switch described the first fixed head front side, and this first limit switch has 2, longitudinally arranges; The second fixed head rear side has the first limited block.Described the first limit switch connects mainboard.While adjusting camera lens upward sliding, when the first limited block is pushed down after the limit switch on top, mainboard stops to vertical motor transmitted signal, this vertical motor stops operating, the second fixed head stops upward sliding, downward button in pressing keys group, mainboard sends counter-rotational signal to vertical motor, vertically driven by motor the second fixed head down sliding; While adjusting camera lens down sliding, when the first limited block is pushed down after the limit switch of bottom, mainboard stops to vertical motor transmitted signal, this vertical motor stops operating, the second fixed head stops down sliding, the button making progress in pressing keys group, mainboard sends counter-rotational signal to vertical motor, vertically driven by motor the second fixed head upward sliding.The first limited block and the first limit switch cooperating, limit the scope that the second fixed head slides up and down, and prevents the second fixed head sideslip.
Further, described the first limit switch is compressing tablet switch.This first limit switch circuit be on the line conducting state, when this first limit switch is pushed down by the first limited block, circuit disconnects, mainboard stops to vertical motor transmitted signal, this vertical motor stops operating, the second fixed head stops sliding.
Further, there is the second limit switch described the second fixed head front side, and this second limit switch has 2, horizontally set; Lens fixing plate rear side has the second limited block.Described the second limit switch connects mainboard.While adjusting lens left slip, when the second limited block is pushed down after the limit switch of left part, mainboard stops to horizontal motor transmitted signal, this horizontal motor stops operating, lens fixing plate stops sliding left, button left in pressing keys group, mainboard sends counter-rotational signal to horizontal motor, and horizontal driven by motor lens fixing plate slides to the right; When adjustment camera lens slides to the right, when the second limited block is pushed down after the limit switch of right part, mainboard stops to horizontal motor transmitted signal, this horizontal motor stops operating, lens fixing plate stops sliding to the right, button left in pressing keys group, mainboard sends counter-rotational signal to horizontal motor, horizontal driven by motor lens fixing plate upward sliding.The second limited block and the second limit switch cooperating, the scope that restriction lens fixing plate horizontally slips, prevents lens fixing plate sideslip.
Further, described the second limit switch is compressing tablet switch.This second limit switch circuit be on the line conducting state, when this second limit switch is pushed down by the second limited block, circuit disconnects, mainboard stops to horizontal motor transmitted signal, this horizontal motor stops operating, lens fixing plate stops sliding.
Further, be also fixed with lower carriage on described base, this lower carriage and the first fixed mount are bolted.
Further, lens fixing plate front side is fixed with installing plate, and this installing plate is sheathed on camera lens.Vertically motor and horizontal motor cooperating, realized the accurate adjustment to lens location jointly.
Beneficial effect: the technical program is slided on slide bar by the positioning element of motor straight tape splicing index glass head, can finely tune, has also avoided the gap of using Multi-stage transmission parts to produce, and has improved degree of accuracy and the stability of location.
Accompanying drawing explanation
Fig. 1 is the skeleton view of a kind of embodiment of the utility model;
Fig. 2 is the stereographic map of the another kind of embodiment of the utility model;
Fig. 3 is the mounting structure figure of the another kind of embodiment of the utility model;
Fig. 4 is the mounting structure figure of the another kind of embodiment of the utility model;
Fig. 5 is the stereographic map of camera lens in the another kind of embodiment of the utility model.
Mark in figure: 1-base; 2-lower carriage; 3-side stand; 4-the first fixed head; The vertical guide rod of 5-; 6-the first limit switch; The vertical motor of 7-; 8-the first fixed block; 9-head rod; 10-the second fixed head; The horizontal motor of 11-; 12-the second fixed block; 13-horizontal guide; 14-the second connecting link; 15-lens fixing plate; 16-the second limit switch; 17-installing plate; 18-camera lens.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail:
Referring to Fig. 1 to 4, a kind of camera lens 18 adjusting gears of projector, comprise: base 1, be fixed on the side stand 3 on this base 1, be fixed on the first fixed head 4 of these side stand 3 front sides, be fixed on the vertical guide rod 5 of these the first fixed head 4 front sides, by the first fixed block 8, be vertically fixed on the vertical motor 7 of described the first fixed head 4 front sides, be set in the second fixed head 10 on described vertical guide rod 5, be fixed on the head rod 9 of the second fixed head 10 rear sides, by the second fixed block 12, be horizontally fixed on the horizontal motor 11 of the second fixed head 10 rear sides, be fixed on the horizontal guide 13 of the second fixed head 10 front sides, the second connecting link 14 that is set in the lens fixing plate 15 in this horizontal guide 13 and is fixed on these lens fixing plate 15 rear sides, wherein, on described the first fixed head 4 and the second fixed head 10, there is through hole, described vertical motor 7 is threaded with head rod 9 by expansion link, described the second connecting link 14, through the through hole on the second fixed head 10, is threaded with the expansion link on described horizontal motor 11.On described lens fixing plate 15, have through hole, camera lens 18 is successively through lens fixing plate 15, the second fixed head 10 and the first fixed head 4, is set in the front side that installing plate 17 on camera lens 18 is bolted on described lens fixing plate 15.While adjusting camera lens 18 position, vertically motor 7 is connected the mainboard in projector with horizontal motor 11, and mainboard connects button group.Button left in pressing keys group, horizontal motor 11 drives lens fixing plates 15 to slide left; Button to the right in pressing keys group, horizontal motor 11 drives lens fixing plates 15 to slide to the right; The button making progress in pressing keys group, vertically motor 7 drives the second fixed head 10 upward slidings; Downward button in pressing keys group, vertically motor 7 drives the second fixed head 10 down slidings.User can be according to actual needs, and adjustable lens 18 slides up and down, final fixing in place.The present embodiment slides on slide bar by the positioning element of motor straight tape splicing index glass head 18, can finely tune, and has also avoided the gap of using Multi-stage transmission parts to produce, and has improved degree of accuracy and the stability of location.
Referring to Fig. 4, there is the first limit switch 6 the first fixed head 4 front sides, and this first limit switch 6 has 2, longitudinally arrange; The second fixed head 10 rear sides have the first limited block.Described the first limit switch 6 connects mainboard.While adjusting camera lens 18 upward sliding, when the first limited block is pushed down after the limit switch on top, mainboard stops to vertical motor 7 transmitted signals, this vertical motor 7 stops operating, the second fixed head 10 stops upward sliding, downward button in pressing keys group, mainboard sends counter-rotational signal to vertical motor 7, and vertically motor 7 drives the second fixed head 10 down slidings; While adjusting camera lens 18 down sliding, when the first limited block is pushed down after the limit switch of bottom, mainboard stops to vertical motor 7 transmitted signals, this vertical motor 7 stops operating, the second fixed head 10 stops down sliding, the button making progress in pressing keys group, mainboard sends counter-rotational signal to vertical motor 7, and vertically motor 7 drives the second fixed head 10 upward slidings.The first limited block and the first limit switch 6 cooperatings, limit the scope that the second fixed head 10 slides up and down, and prevents the second fixed head 10 sideslips.
Preferably, the first limit switch 6 is compressing tablet switch.6 of this first limit switches circuit is on the line conducting state, and when this first limit switch 6 is pushed down by the first limited block, circuit disconnects, and mainboard stops to vertical motor 7 transmitted signals, and this vertical motor 7 stops operating, and the second fixed head 10 stops sliding.
Referring to Fig. 4, there is the second limit switch 16 the second fixed head 10 front sides, and this second limit switch 16 has 2, horizontally set; Lens fixing plate 15 rear sides have the second limited block.Described the second limit switch 16 connects mainboard.When adjustment camera lens 18 slides left, when the second limited block is pushed down after the limit switch of left part, mainboard stops to horizontal motor 11 transmitted signals, this horizontal motor 11 stops operating, lens fixing plate 15 stops sliding left, button left in pressing keys group, mainboard sends counter-rotational signal to horizontal motor 11, and horizontal motor 11 drives lens fixing plates 15 to slide to the right; When adjustment camera lens 18 slides to the right, when the second limited block is pushed down after the limit switch of right part, mainboard stops to horizontal motor 11 transmitted signals, this horizontal motor 11 stops operating, lens fixing plate 15 stops sliding to the right, button left in pressing keys group, mainboard sends counter-rotational signal to horizontal motor 11, and horizontal motor 11 drives lens fixing plate 15 upward slidings.The second limited block and the second limit switch 16 cooperatings, the scope that restriction lens fixing plate 15 horizontally slips, prevents lens fixing plate 15 sideslips.
Preferably, described the second limit switch 16 is compressing tablet switch.16 of this second limit switches circuit is on the line conducting state, when this second limit switch 16 is pushed down by the second limited block, circuit disconnects, and mainboard stops to horizontal motor 11 transmitted signals, this horizontal motor 11 stops operating, and lens fixing plate 15 stops sliding.
Referring to Fig. 3, on described base 1, be also fixed with lower carriage 2, this lower carriage 2 and the first fixed mount are bolted.
Referring to Figure 4 and 5, lens fixing plate 15 front sides are fixed with installing plate, and this installing plate 17 is sheathed on camera lens 18.Vertically motor 7 and horizontal motor 11 cooperatings, realized the accurate adjustment to camera lens 18 positions jointly.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
- The lens adjusting apparatus of 1.Yi Zhong projector, it is characterized in that, comprise: base, be fixed on the side stand on this base, be fixed on the first fixed head of this side stand front side, be fixed on the vertical guide rod of this first fixed head front side, by the first fixed block, be vertically fixed on the vertical motor of described the first fixed head front side, be set in the second fixed head on described vertical guide rod, be fixed on the head rod of the second fixed head rear side, by the second fixed block, be horizontally fixed on the horizontal motor of the second fixed head rear side, be fixed on the horizontal guide of the second fixed head front side, the second connecting link that is set in the lens fixing plate in this horizontal guide and is fixed on this lens fixing plate rear side, wherein, on described the first fixed head and the second fixed head, there is through hole, described vertical motor is threaded with head rod by expansion link, described horizontal motor is threaded with the second connecting link by expansion link.
- 2. the lens adjusting apparatus of projector according to claim 1, is characterized in that: there is the first limit switch described the first fixed head front side, and this first limit switch has 2, longitudinally arranges; The second fixed head rear side has the first limited block.
- 3. the lens adjusting apparatus of projector according to claim 2, is characterized in that: described the first limit switch is compressing tablet switch.
- 4. the lens adjusting apparatus of projector according to claim 3, is characterized in that: there is the second limit switch described the second fixed head front side, and this second limit switch has 2, horizontally set; Lens fixing plate rear side has the second limited block.
- 5. the lens adjusting apparatus of projector according to claim 4, is characterized in that: described the second limit switch is compressing tablet switch.
- 6. the lens adjusting apparatus of projector according to claim 1, is characterized in that: on described base, be also fixed with lower carriage, this lower carriage and the first fixed mount are bolted.
- 7. according to the lens adjusting apparatus of the projector described in claim 5 or 6, it is characterized in that: lens fixing plate front side is fixed with installing plate, this installing plate is sheathed on camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488777.8U CN203433259U (en) | 2013-08-12 | 2013-08-12 | Lens adjustment device of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488777.8U CN203433259U (en) | 2013-08-12 | 2013-08-12 | Lens adjustment device of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433259U true CN203433259U (en) | 2014-02-12 |
Family
ID=50062286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320488777.8U Expired - Lifetime CN203433259U (en) | 2013-08-12 | 2013-08-12 | Lens adjustment device of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203433259U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022133A (en) * | 2014-04-17 | 2015-11-04 | 中强光电股份有限公司 | Projection device, lens module, and position adjustment device applied to projection device and lens module |
| CN107561664A (en) * | 2015-08-27 | 2018-01-09 | 苏州佳世达光电有限公司 | A kind of lens support and projection arrangement |
| CN109307973A (en) * | 2017-07-27 | 2019-02-05 | 精工爱普生株式会社 | The control method of projector and projector |
| JP2019028441A (en) * | 2017-07-27 | 2019-02-21 | セイコーエプソン株式会社 | Projector and method for controlling projector |
| CN110673424A (en) * | 2018-07-02 | 2020-01-10 | 中强光电股份有限公司 | Mobile device |
| WO2022033383A1 (en) * | 2020-08-11 | 2022-02-17 | 深圳光峰科技股份有限公司 | Lens adjusting device and projection apparatus |
-
2013
- 2013-08-12 CN CN201320488777.8U patent/CN203433259U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022133A (en) * | 2014-04-17 | 2015-11-04 | 中强光电股份有限公司 | Projection device, lens module, and position adjustment device applied to projection device and lens module |
| CN107561664A (en) * | 2015-08-27 | 2018-01-09 | 苏州佳世达光电有限公司 | A kind of lens support and projection arrangement |
| CN107561664B (en) * | 2015-08-27 | 2020-07-14 | 苏州佳世达光电有限公司 | Lens supporting device and projection device |
| CN109307973A (en) * | 2017-07-27 | 2019-02-05 | 精工爱普生株式会社 | The control method of projector and projector |
| JP2019028441A (en) * | 2017-07-27 | 2019-02-21 | セイコーエプソン株式会社 | Projector and method for controlling projector |
| JP7070049B2 (en) | 2017-07-27 | 2022-05-18 | セイコーエプソン株式会社 | Projector and projector control method |
| CN110673424A (en) * | 2018-07-02 | 2020-01-10 | 中强光电股份有限公司 | Mobile device |
| CN110673424B (en) * | 2018-07-02 | 2021-09-17 | 中强光电股份有限公司 | Mobile device |
| WO2022033383A1 (en) * | 2020-08-11 | 2022-02-17 | 深圳光峰科技股份有限公司 | Lens adjusting device and projection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Shahe road Shenzhen city Guangdong province 518000 No. 3011 Baisha building 8415 Patentee after: AVANZA Corp. Address before: Liteon No. 1 building, 518000 Guangdong Province, Shenzhen high tech Zone of Nanshan District City, North Beihuan Avenue North Pine Road 1506 room Patentee before: AVANZA Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |