CN103383517A - Fixing and replacing device for projector lens - Google Patents
Fixing and replacing device for projector lens Download PDFInfo
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- CN103383517A CN103383517A CN2013103480631A CN201310348063A CN103383517A CN 103383517 A CN103383517 A CN 103383517A CN 2013103480631 A CN2013103480631 A CN 2013103480631A CN 201310348063 A CN201310348063 A CN 201310348063A CN 103383517 A CN103383517 A CN 103383517A
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Abstract
The invention discloses a fixing and replacing device for a projector lens. The fixing and replacing device for the projector lens comprises a fixing assembly which is fixed inside a casing, a handle cover assembly which covers on the upper portion of a front cover and a lens assembly; the fixing assembly comprises a base, a fixing ring which is fixed on the lateral side of the base, a rotary ring which is sleeved on a protruded circular ring outer diameter of the fixing ring, a torsional spring which is simultaneously fixed on the fixing ring and the rotary ring and a handle which is fixed on the upper portion of the rotary ring; the handle cover assembly comprises a cover, a pulling handle which is sleeved on a kidney-shaped hole of the cover, a limitation sheet which is fixed on a first positioning column which is arranged on the internal side of the cover, a lock cylinder which is fixed on a pulling handle bolt and a protective cover which is fixed on a second positioning column which is arranged on the internal side of the cover; the lens assembly comprises a lens, an installation plate which is arranged on the lens, a dust proof cover which is fixed on the front cover and a locking piece which is arranged on the internal side of the dustproof cover. According to the fixing and replacing device for the projector lens, the lens can be replaced by rotating the handle, the operation is simple, the utilization is convenient, the lens is fixed through a pressure block, and the lens installation is firm.
Description
Technical field
The present invention relates to the projection equipment field, relate in particular to the fixing and changing device more of a kind of projector lens.
Background technology
Projector need to could throw into screen with image by camera lens, for obtaining image clearly, usually the focal length, the enlargement factor that need adjustable lens, and the focal length of each camera lens and enlargement factor are all within the specific limits, when environment for use changes, just there is the possibility of changing camera lens in the range of adjustment that exceeds focal length and enlargement factor.Environment for use mainly refers to projector lens to the distance of screen.In fact, the well matched standard lens of projector one, but space or the length or narrow used, standard lens be the difficult effect that obtains satisfaction also.Will obtain large-sized image if distance is short, just need short-focus lens, distance will obtain image clearly, just needs telephoto lens.
As mentioned above, projector might configure several camera lenses, changes depending on environment for use.Need to consider to change like this convenience of camera lens, and camera lens need to be installed firmly.
Present lens changing mode mainly contains two kinds:
1, camera lens and lens fixing base are threaded connection together, and camera lens need to use screwdriver to unclamp, then changes.And the camera lens of projector generally is placed on machine intimate, at first needs shell is taken apart when changing camera lens, then changes.
2, the substitute mode of screwless is generally in machine exterior, individual button or dead man to be arranged, and unclamps camera lens by action button or dead man, then takes out camera lens.
Be screwed the mode of camera lens, when carrying out lens changing, whole process is loaded down with trivial details, and accurate optics, electron device are arranged in casing, if frequent dismounting shell is easy to damage internal components.
The button of machine exterior or dead man easily by people's maloperation, might cause camera lens get loose and fall damage.
Summary of the invention
The purpose of this invention is to provide the fixing more changing device that reaches of a kind of projector lens, make the replacing camera lens more convenient, simple to operate, camera lens is installed firmly.
Technical scheme of the present invention is the fixing more changing device that reaches of a kind of projector lens, comprising: be fixed on the interior fixation kit of housing, be buckled in front upper part of the cover handle cover assembly and lens assembly; Wherein, described fixation kit comprises: pedestal, be fixed on the pedestal side set collar, be enclosed within the change on this set collar protruding circular ring external diameter, the handle that is fixed on the torsion spring in set collar and change and is fixed on change top simultaneously, torsion spring provides the coupling mechanism force of change on positive and negative both direction; There is briquetting the change inboard; Described handle cover assembly comprises: lid, be enclosed within pulling out hand, be fixed on banking stop on inboard the first reference column of lid, be fixed on and pull out the hand inboard and pull out the dead bolt on the hand bolt and be fixed on over cap on inboard the second reference column of lid on lid waist hole; Extension spring is arranged on dead bolt, and the extension spring upper end hangs on dead bolt, and the lower end hangs on the pulling-on piece of banking stop bottom; Described lens assembly comprises: the installing plate on camera lens, camera lens, be fixed on dust cap on protecgulum and the lock dog of dust cap inboard; There is wedge in the installing plate outside.There is the first press strip the described set collar left and right sides, and there is the second press strip the both sides, up and down, and the first press strip and the second press strip are pressed in change, prevent change displacement diametrically.Pedestal is fixed on enclosure interior, and set collar is fixed on the pedestal side, and change is enclosed within on the external diameter of described fixed lobe annulus.Described torsion spring one end is fixed on set collar, and the other end is fixed in change.The handle cover assembly is stuck in described protecgulum top by lid.Banking stop and dead bolt are fixed on the first reference column of lid inboard successively by pilot hole, pull out hand and pass successively waist hole on lid and banking stop from the outside, are threaded with dead bolt.When camera lens was installed, drawing hand upwards pulled out the pull out hand bolt of hand by the inboard and drives dead bolt and move upward, and dead bolt leaves lock dog, exposes handle this moment.Then camera lens is inserted in the camera aperture of protecgulum, swing handle, change is rotated thereupon, and the briquetting of change inboard compresses the wedge in the installing plate outside and fix.Unclamp and pull out hand, under the pulling force of extension spring, dead bolt bottom is stuck on the lock dog of dust cap inboard, has completed the installation of camera lens and fixing; Dismounting is during camera lens, and drawing hand upwards pulls out the pull out hand bolt of hand by the inboard and drives dead bolt and move upward, and dead bolt leaves lock dog.Then swing handle, handle drive the change rotation, and the briquetting of change inboard leaves wedge, takes out camera lens, unclamps and pulls out hand, pulls out hand and resets, and has namely completed dismounting.When pulling out on hand lower motion, pull out the hand bolt and move up and down in the waist hole, be not subjected to the impact of lid and banking stop, the extension spring on dead bolt helps to pull out hand and moves downward, and is convenient to pull out hand and resets.In the technical program, only need swing handle, just can change camera lens, pull out hand handle is covered, prevent maloperation.Simple to operate, easy to use, briquetting is fixed camera lens, and camera lens is installed firmly.
Further, on described set collar, notch is arranged, briquetting is arranged in notch.Briquetting can only come back rotation in notch, limited the slewing area of change, makes accurately stationary wedge piece of briquetting, avoids sliding, and camera lens is installed firmly.
Further, described handle cover assembly also comprises by pilot hole and is fixed on lubricated sheet on the first reference column.Lubricated sheet is fixed on the first reference column, between banking stop and dead bolt, reduces the resistance that dead bolt slides, and is convenient to dead bolt and in time fastens accurately or leave lock dog, and is easy to use.
Further, hanging hole is arranged on pulling-on piece, the extension spring lower end hangs in hanging hole.Be convenient to make extension spring to drive dead bolt and in time reset, indirect drive is pulled out hand and is in time resetted.In projector's use procedure, make dead bolt be in buckling state with lock dog always, be convenient to fixedly pull out hand, prevent that handle from exposing the maloperation that causes.
Further, there is catch in the over cap outside.Catch blocks handle, prevents that handle is loosening, camera lens is installed more firm.
Further, jug cover on handle, handle sleeve is enclosed within on handle, makes the tight pressing of handle and block, camera lens is installed more firm.
Further, top of closure has card base, and the front tops of card base bottom has bayonet socket.Card base is stuck in bayonet socket, dead bolt is stuck on lock dog, just the handle cover assembly has been arranged on protecgulum.
Further, briquetting rotating range in notch is 0 ° to 20 °, has limited the slewing area of change, makes accurately stationary wedge piece of briquetting, avoids sliding, and camera lens is installed firmly.
Beneficial effect: only need swing handle, just can change camera lens, pull out hand handle is covered, prevent maloperation.Simple to operate, easy to use, briquetting is fixed camera lens, and camera lens is installed firmly.
Description of drawings
Fig. 1 is the stereographic map of an embodiment of the present invention;
Fig. 2 is the stereographic map at another visual angle of Fig. 1;
Fig. 3 is the stereographic map of the another kind of embodiment of the present invention;
Fig. 4 is the stereographic map of the another kind of embodiment of the present invention;
Fig. 5 is the stereographic map of the another kind of embodiment of the present invention;
Fig. 6 is the mounting structure figure of Fig. 3;
Fig. 7 is the stereographic map of the another kind of embodiment of the present invention;
Fig. 8 is the mounting structure figure of Fig. 7;
Fig. 9 is the stereographic map of the another kind of embodiment of the present invention;
Figure 10 is the stereographic map of the another kind of embodiment of the present invention;
Figure 11 is the stereographic map (part intercepting) of the another kind of embodiment of the present invention;
Figure 12 is the stereographic map (part intercepting) of the another kind of embodiment of the present invention.
Mark in figure: 1-housing; The 2-fixation kit; The 3-protecgulum; 4-handle cover assembly; The 5-lens assembly; The 6-pedestal; The 7-set collar; The 8-change; The 9-torsion spring; 10-the first press strip; 11-the second press strip; The 12-handle; The 13-handle sleeve; 14-pulls out hand; The 15-lid; The 16-banking stop; 17-lubricates sheet; The 18-dead bolt; The 19-over cap; The 20-extension spring; The 21-lock dog; The 22-installing plate; The 23-wedge; The 24-camera lens; The 25-briquetting; The 26-catch; The 27-pulling-on piece; 28-pulls out the hand bolt; 29-the first reference column; 30-the second reference column; The 31-hanging hole; The 32-pilot hole; The 33-card base; The 34-bayonet socket.
Embodiment
Below in conjunction with accompanying drawing, more excellent embodiment of the present invention is described in further detail:
Referring to Fig. 1 to 11, the fixing and changing device more of a kind of projector lens 24 comprises: be fixed on fixation kit 2 in housing 1, be buckled in handle cover assembly 4 and the lens assembly 5 on protecgulum 3 tops; Wherein, described fixation kit 2 comprises: pedestal 6, be fixed on pedestal 6 sides set collar 7, be enclosed within the change 8 on these set collar 7 protruding circular ring external diameters, the handle 12 that is fixed on the torsion spring 9 in set collar 7 and change 8 and is fixed on change 8 tops simultaneously, torsion spring 9 provides the coupling mechanism force of change 8 on positive and negative both direction; There is briquetting 25 change 8 inboards; Described handle cover assembly 4 comprises: lid 15, be enclosed within pulling out hand 14, be fixed on banking stop 16 on inboard the first reference column 29 of lid 15, be fixed on and pull out hand 14 inboards and pull out the dead bolt 18 on hand bolt 28 and be fixed on over cap 19 on inboard the second reference column 30 of lid 15 on lid 15 waist holes; Extension spring 20 is arranged on dead bolt 18, and extension spring 20 upper ends hang on dead bolt 18, and the lower end hangs on the pulling-on piece 27 of banking stop 16 bottoms; Described lens assembly 5 comprises: the installing plate 22 on camera lens 24, camera lens 24, be fixed on dust cap on protecgulum 3 and the lock dog 21 of dust cap inboard; There is wedge 23 in installing plate 22 outsides.There is the first press strip 10 described set collar 7 left and right sides, and the both sides, up and down have the second press strip 11, the first press strips 10 and the second press strip 11 to be pressed in change 8, prevent change 8 displacement diametrically.Pedestal 6 is fixed on housing 1 inside, and set collar 7 is fixed on pedestal 6 sides, and change 8 is enclosed within on the external diameter of described fixed lobe annulus.Described torsion spring 9 one ends are fixed on set collar 7, and the other end is fixed in change 8.Handle cover assembly 4 is stuck in described protecgulum 3 tops by lid 15.Banking stop 16 and dead bolt 18 are fixed on the first reference column 29 of lid 15 inboards successively by pilot hole 32, pull out hand 14 and pass successively waist hole on lid 15 and banking stop 16 from the outside, are threaded with dead bolt 18.When camera lens 24 was installed, drawing hand 14 upwards pulled out the pull out hand bolt 28 of hand 14 by the inboard and drives dead bolts 18 and move upward, and dead bolt 18 leaves lock dog 21, exposes handle 12 this moment.Then camera lens 24 is inserted in the camera aperture of protecgulums 3, swing handle 12, change 8 is rotated thereupon, and the briquetting 25 of change 8 inboards compresses the wedge 23 in installing plate 22 outsides and fix.Unclamp and pull out hand 14, under the pulling force of extension spring 20, dead bolt 18 bottoms are stuck on the lock dog 21 of dust cap inboard, have completed the installation of camera lens 24 and fixing; Dismounting is during camera lens 24, and drawing hand 14 upwards pulls out the pull out hand bolt 28 of hand 14 by the inboard and drives dead bolts 18 and move upward, and dead bolt 18 leaves lock dog 21; Then swing handle 12, and handle 12 drives changes 8 rotations, and the briquetting 25 of change 8 inboards leaves wedge 23, takes out camera lens 24, unclamps and pulls out hand 14, pulls out hand 14 and resets, and has namely completed dismounting.When pulling out hand 14 and moving up and down, pull out hand bolt 28 and move up and down in the waist hole, be not subjected to the impact of lid 15 and banking stop 16, the extension spring 20 on dead bolt 18 helps to pull out hand 14 and moves downward, and is convenient to pull out hand 14 and resets.In the present embodiment, only need swing handle 12, just can change camera lens 24, pull out hand 14 handle 12 is covered, prevent maloperation.Simple to operate, easy to use, briquetting 25 is fixing with camera lens 24, and camera lens 24 is installed firmly.
Referring to Fig. 3 to 6, on described set collar 7, notch is arranged, briquetting 25 is arranged in notch.Briquetting 25 can only come back rotation in notch, limited the slewing area of change 8, makes accurately stationary wedge piece 23 of briquetting 25, avoids sliding, and camera lens 24 is installed firmly.
Referring to Fig. 8, described handle cover assembly 4 also comprises by pilot hole 32 and is fixed on lubricated sheet 17 on the first reference column 29.Lubricated sheet 17 is fixed on the first reference column 29, between banking stop 16 and dead bolt 18, reduces the resistance that dead bolt 18 slides, and is convenient to dead bolt 18 and in time fastens accurately or leave lock dog 21, and is easy to use.
Referring to Fig. 8, hanging hole 31 is arranged on pulling-on piece 27, extension spring 20 lower ends hang in hanging hole 31.Be convenient to make extension spring 20 to drive dead bolt 18 and in time reset, indirect drive is pulled out hand 14 and is in time resetted.In projector's use procedure, make dead bolt 18 be in buckling state with lock dog 21 always, be convenient to fixedly pull out hand 14, prevent that handle 12 from exposing the maloperation that causes.
Referring to Figure 12, there is catch 26 in over cap 19 outsides.Catch 26 blocks handle 12, prevents that handle 12 is loosening, camera lens 24 is installed more firm.
Referring to Fig. 6 and Figure 12, handlebar gloves 13 on handle 12, handle sleeve 13 is enclosed within on handle 12, makes handle 12 and the tight pressing of block, camera lens 24 is installed more firm.
Referring to Fig. 8 and Fig. 9, card base 33 is arranged at lid 15 tops, and bayonet socket 34 is arranged at protecgulum 3 tops of card base 33 bottoms.Card base 33 is stuck in bayonet socket 34, dead bolt 18 is stuck on lock dog 21, just handle cover assembly 4 has been arranged on protecgulum 3.
Preferably, briquetting 25 rotates 2 ° in notch, has limited the slewing area of change 8, makes accurately stationary wedge piece 23 of briquetting 25, avoids sliding, and camera lens 24 is installed firmly.
Preferably, briquetting 25 rotates 5 ° in notch, has limited the slewing area of change 8, makes accurately stationary wedge piece 23 of briquetting 25, avoids sliding, and camera lens 24 is installed firmly.
Preferably, briquetting 25 rotates 10 ° in notch, has limited the slewing area of change 8, makes accurately stationary wedge piece 23 of briquetting 25, avoids sliding, and camera lens 24 is installed firmly.
Preferably, briquetting 25 rotates 20 ° in notch, has limited the slewing area of change 8, makes accurately stationary wedge piece 23 of briquetting 25, avoids sliding, and camera lens 24 is installed firmly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. the fixing more changing device that reaches of projector lens, is characterized in that, comprising: be fixed on the interior fixation kit of housing, be buckled in front upper part of the cover handle cover assembly and lens assembly; Wherein, described fixation kit comprises: pedestal, be fixed on the pedestal side set collar, be enclosed within the change on this set collar protruding circular ring external diameter, the handle that is fixed on the torsion spring in set collar and change and is fixed on change top simultaneously; There is briquetting the change inboard; Described handle cover assembly comprises: lid, be enclosed within pulling out hand, be fixed on banking stop on inboard the first reference column of lid, be fixed on and pull out the hand inboard and pull out the dead bolt on the hand bolt and be fixed on over cap on inboard the second reference column of lid on lid waist hole; Extension spring is arranged on dead bolt, and the extension spring upper end hangs on dead bolt, and the lower end hangs on the pulling-on piece of banking stop bottom; Described lens assembly comprises: the installing plate on camera lens, camera lens, be fixed on dust cap on protecgulum and the lock dog of dust cap inboard; There is wedge in the installing plate outside.
2. projector lens according to claim 1 is fixed and is reached more changing device, and it is characterized in that: on described set collar, notch is arranged, briquetting is arranged in notch.
3. the fixing and changing device more of projector lens according to claim 1 is characterized in that: there is the first press strip the described set collar left and right sides, and there is the second press strip the both sides, up and down, and the first press strip and the second press strip are pressed in change.
4. the fixing and changing device more of projector lens according to claim 1 is characterized in that: described handle cover assembly also comprises by pilot hole and is fixed on lubricated sheet on the first reference column.
5. the fixing and changing device more of projector lens according to claim 4 is characterized in that: hanging hole is arranged on pulling-on piece, and the extension spring lower end hangs in hanging hole.
6. the fixing more changing device that reaches of projector lens according to claim 4, is characterized in that: catch is arranged outside over cap.
7. the fixing more changing device that reaches of projector lens according to claim 4, is characterized in that: jug cover on handle.
8. the fixing and changing device more of projector lens according to claim 4, it is characterized in that: top of closure has card base, and the front tops of card base bottom has bayonet socket.
9. projector lens according to claim 2 is fixed and is reached more changing device, and it is characterized in that: briquetting rotating range in notch is 0 ° to 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348063.1A CN103383517B (en) | 2013-08-12 | 2013-08-12 | Fixing and replacing device for projector lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348063.1A CN103383517B (en) | 2013-08-12 | 2013-08-12 | Fixing and replacing device for projector lens |
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| CN103383517A true CN103383517A (en) | 2013-11-06 |
| CN103383517B CN103383517B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310348063.1A Active CN103383517B (en) | 2013-08-12 | 2013-08-12 | Fixing and replacing device for projector lens |
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| CN (1) | CN103383517B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259631A (en) * | 2015-11-17 | 2016-01-20 | 中山联合光电科技股份有限公司 | Lens protection front cover |
| CN105974716A (en) * | 2016-06-22 | 2016-09-28 | 苏州佳世达光电有限公司 | Quick release structure and projection device |
| CN110974424A (en) * | 2019-12-20 | 2020-04-10 | 郑州大学 | Handle for gastrointestinal endoscope operation |
| CN111965928A (en) * | 2020-09-04 | 2020-11-20 | 福州威泰思光电科技有限公司 | Foldable reflecting mirror frame |
| CN112433324A (en) * | 2020-11-17 | 2021-03-02 | 中国科学院西安光学精密机械研究所 | Dual-power parallel driving protective lens replacing device based on lever principle |
| CN112636081A (en) * | 2020-11-11 | 2021-04-09 | 中航光电科技股份有限公司 | Floating structure of floating connector |
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| CN103217770A (en) * | 2013-04-18 | 2013-07-24 | 苏州佳世达光电有限公司 | Lens fixing module and projector using same |
| CN203433258U (en) * | 2013-08-12 | 2014-02-12 | 深圳市帅映科技有限公司 | Lens fixing and replacing device of projector |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259631A (en) * | 2015-11-17 | 2016-01-20 | 中山联合光电科技股份有限公司 | Lens protection front cover |
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| CN110974424A (en) * | 2019-12-20 | 2020-04-10 | 郑州大学 | Handle for gastrointestinal endoscope operation |
| CN111965928A (en) * | 2020-09-04 | 2020-11-20 | 福州威泰思光电科技有限公司 | Foldable reflecting mirror frame |
| CN112636081A (en) * | 2020-11-11 | 2021-04-09 | 中航光电科技股份有限公司 | Floating structure of floating connector |
| CN112433324A (en) * | 2020-11-17 | 2021-03-02 | 中国科学院西安光学精密机械研究所 | Dual-power parallel driving protective lens replacing device based on lever principle |
| CN112433324B (en) * | 2020-11-17 | 2021-09-14 | 中国科学院西安光学精密机械研究所 | Dual-power parallel driving protective lens replacing device based on lever principle |
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| CN103383517B (en) | 2015-04-22 |
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Effective date of registration: 20220720 Address after: 341000 south side of Changsheng Road, Ningdu Industrial Park, Ganzhou City, Jiangxi Province (Building 9, Zone E, Ganshang entrepreneurship Park) Patentee after: Jiangxi Huaying Photoelectric Technology Co.,Ltd. Address before: 226000 room 116, building 11, Xingfu new town, Xingfu street, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong Yijia Electronic Technology Co.,Ltd. |
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