CN102508399A - Dustproof device of projector lens - Google Patents
Dustproof device of projector lens Download PDFInfo
- Publication number
- CN102508399A CN102508399A CN2012100010697A CN201210001069A CN102508399A CN 102508399 A CN102508399 A CN 102508399A CN 2012100010697 A CN2012100010697 A CN 2012100010697A CN 201210001069 A CN201210001069 A CN 201210001069A CN 102508399 A CN102508399 A CN 102508399A
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- gear
- base
- post
- hollow
- spring leaf
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Abstract
The invention relates to a dustproof device of a projector lens, and belongs to the technical field of mechanical and electrical automation. The dustproof device of the projector lens is characterized in that: a first electromagnet and a second electromagnet are embedded in a base and are connected with a power jack, and a first reset spring piece is arranged in a positioning groove of the first reset spring piece on the upper surface of the base; a second reset spring piece is arranged in a positioning groove of the second reset spring piece on the upper surface of the base, and a first anti-loosening screw penetrates through a second hollow gear column to be screwed on a second thread insert column; a second anti-loosening screw penetrates through a first hollow gear column to be screwed on a first thread insert column, and the first hollow gear column is coupled with a first transmission gear on an iron plate surface of a gear transmission ring; the second hollow gear column is coupled with a second transmission gear on the iron plate surface of the gear transmission ring, and the gear transmission ring is fixedly arranged among a first dustproof plate, a second dustproof plate and the base and is sleeved on the base; and pulleys on four pulley supporting rods are inserted into four oblique sliding grooves on the side surfaces of the base. Due to the adoption of the technical scheme, the dustproof device has the advantages and positive effects that: by the magnetism generated by the electricity gaining and losing of the electromagnets, under the action of the reset spring pieces, the iron plate surface of the gear transmission ring is sucked (released) to drive the pulleys to slide along the oblique sliding grooves, the transmission gears on the iron plate surface of the gear transmission ring drive the hollow gear columns on the dustproof plates to open (close) the dustproof plates, the dust-proof effect is good, and the cost is not high.
Description
Technical field
The present invention relates to a kind of projector lens dust guard, belong to the electromechanical automatic technical field.
Background technology
At present, the projector in the multimedia Room (or classroom) generally all is to be fixed on the place higher apart from ground, and camera lens all is long-time exposing outside usually, and the dust that is accumulated on the camera lens directly influences the projector projects effect.
Summary of the invention
Technical matters to be solved by this invention provides a kind of projector lens dust guard; Get the effect that (mistake) electricity produces magnetic and reseting spring leaf with electromagnet; Attract (release) gear drive snare irony plate face, drive pulley and slide along oblique chute, the transmission gear on the gear drive snare irony plate face drives the hollow gear post on the dust excluding plate; Open (closure) dust excluding plate, reach dustproof purpose.
The technical solution adopted for the present invention to solve the technical problems is: device is by anticreep screw, dust excluding plate, gear drive snare irony plate face, transmission gear, hollow gear post, pulley, pulley pole, electromagnet, swivel nut post, reseting spring leaf, reseting spring leaf locating slot, tiltedly chute, outlet, device install and fix piece, transformer, rectification circuit, electric capacity and form; 220 volts of alternating current input ends of the elementary and transformer of transformer link to each other; The secondary rectification circuit input end that connects of transformer; Electric capacity is parallelly connected with rectification circuit output end; Output links to each other electric capacity with circuit; Connect the first hollow gear post, the second hollow gear post on first dust excluding plate, second dust excluding plate respectively, symmetry has first transmission gear, second transmission gear on the gear drive snare irony plate face, and four pulley pole symmetries are cast on the gear drive snare medial surface; Four pulleys are positioned on respectively on four pulley poles; The first swivel nut post, the second swivel nut post are arranged on the base, and there is outlet the base side, has device to install and fix piece below the base; It is characterized in that: first electromagnet, second electromagnet are embedded in the base; And link to each other with outlet, be equipped with first reseting spring leaf in the first reseting spring leaf locating slot above the base, peace second reseting spring leaf in the second reseting spring leaf locating slot above the base; The first anticreep screw passes the second hollow gear post and twists and to be connected on the second swivel nut post; The second anticreep screw passes the first hollow gear post and twists and to be connected on the first swivel nut post the first transmission gear coupling on the first hollow gear post and the gear drive snare irony plate face, the second transmission gear coupling on the second hollow gear post and the gear drive snare irony plate face; The gear drive snare is fixed between dust excluding plate, second dust excluding plate and the base and is sleeved on the base, and the pulley on four pulley poles is plugged in four oblique chutes on the base side.
Owing to adopt technique scheme; Advantage and good effect that the present invention had are: can get the effect that (mistake) electricity produces magnetic and reseting spring leaf through electromagnet, attract (release) gear drive snare irony plate face, slide on drive pulley edge tiltedly chute; Transmission gear on the gear drive snare irony plate face drives the hollow gear post on the dust excluding plate; Open (closure) dust excluding plate, good dustproof effect, cost are not high yet.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is a structural representation of the present invention.
220 volts of alternating current input ends of V. transformer among the figure, T. transformer, M. rectification circuit, C. electric capacity, F. power output end; 1. the first anticreep screw, 2. first dust excluding plate, 3. second dust excluding plate, 4. gear drive snare irony plate face, 5. pulley; 6. the second anticreep screw, the 7. first hollow gear post, 8. first transmission gear, 9. pulley pole, 10. first electromagnet; 11. the first swivel nut post, 12. first reseting spring leafs, 13. oblique chutes, 14. devices install and fix piece, 15. first reseting spring leaf locating slots; 16. outlet, 17. second electromagnet, 18. bases, 19. second swivel nut posts, 20. second reseting spring leaf locating slots; 21. second reseting spring leaf, 22. gear drive snares, 23. second transmission gears, 24. second hollow gear posts.
Embodiment
In Fig. 1,220 volts of alternating current input ends of the elementary and transformer of transformer (T) (V) link to each other, secondary rectification circuit (M) input end that connects of transformer (T), and electric capacity (C) is parallelly connected with rectification circuit (M) output terminal, and electric capacity (C) links to each other with circuit output (F).
In Fig. 2; Connect the first hollow gear post (7) second hollow gear posts (24) on first dust excluding plate (2), second dust excluding plate (3) respectively; Gear drive snare irony plate face (4) is gone up symmetry and is had first transmission gear (8), second transmission gear (23); Four pulley poles (9) symmetry is cast on gear drive snare (22) medial surface; Four pulleys (5) are positioned on respectively on four pulley poles (9); The first swivel nut post (11), the second swivel nut post (19) are arranged on the base (18), and there is outlet (16) base (18) side, has device to install and fix piece (14) below the base (18); It is characterized in that: first electromagnet (10), second electromagnet (17) are embedded in the base (18); And link to each other with outlet (16), be equipped with first reseting spring leaf (12) in the first reseting spring leaf locating slot (15) above the base (18), peace second reseting spring leaf (21) in the second reseting spring leaf locating slot (20) above the base (18); The first anticreep screw (1) passes the second hollow gear post (24) and twists and to be connected on the second swivel nut post (19); The second anticreep screw (6) passes the first hollow gear post (7) and twists and to be connected on the first swivel nut post (11), first transmission gear (8) coupling on the first hollow gear post (7) and the gear drive snare irony plate face (4), second transmission gear (23) coupling on the second hollow gear post (24) and the gear drive snare irony plate face (4); Gear drive snare (22) is fixed between first dust excluding plate (2), second dust excluding plate (3) and the base (18) and is sleeved on the base (18), and the pulley (5) on four pulley poles (9) is plugged in the four oblique chutes (13) on base (18) side.
Claims (1)
1. projector lens dust guard; By anticreep screw, dust excluding plate, gear drive snare irony plate face, transmission gear, hollow gear post, pulley, pulley pole, electromagnet, swivel nut post, reseting spring leaf, reseting spring leaf locating slot, tiltedly chute, outlet, device install and fix piece, transformer, rectification circuit, electric capacity and form; 220 volts of alternating current input ends of the elementary and transformer of transformer (T) (V) link to each other; Secondary rectification circuit (M) input end that connects of transformer (T); Electric capacity (C) is parallelly connected with rectification circuit (M) output terminal; Electric capacity (C) links to each other with circuit output (F); Connect the first hollow gear post (7) second hollow gear posts (24) on first dust excluding plate (2), second dust excluding plate (3) respectively, gear drive snare irony plate face (4) is gone up symmetry and is had first transmission gear (8), second transmission gear (23), and four pulley poles (9) symmetry is cast on gear drive snare (22) medial surface; Four pulleys (5) are positioned on respectively on four pulley poles (9); The first swivel nut post (11), the second swivel nut post (19) are arranged on the base (18), and there is outlet (16) base (18) side, has device to install and fix piece (14) below the base (18); It is characterized in that: first electromagnet (10), second electromagnet (17) are embedded in the base (18); And link to each other with outlet (16), be equipped with first reseting spring leaf (12) in the first reseting spring leaf locating slot (15) above the base (18), peace second reseting spring leaf (21) in the second reseting spring leaf locating slot (20) above the base (18); The first anticreep screw (1) passes the second hollow gear post (24) and twists and to be connected on the second swivel nut post (19); The second anticreep screw (6) passes the first hollow gear post (7) and twists and to be connected on the first swivel nut post (11), first transmission gear (8) coupling on the first hollow gear post (7) and the gear drive snare irony plate face (4), second transmission gear (23) coupling on the second hollow gear post (24) and the gear drive snare irony plate face (4); Gear drive snare (22) is fixed between first dust excluding plate (2), second dust excluding plate (3) and the base (18) and is sleeved on the base (18), and the pulley (5) on four pulley poles (9) is plugged in the four oblique chutes (13) on base (18) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001069.7A CN102508399B (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001069.7A CN102508399B (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102508399A true CN102508399A (en) | 2012-06-20 |
| CN102508399B CN102508399B (en) | 2014-07-30 |
Family
ID=46220501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210001069.7A Expired - Fee Related CN102508399B (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102508399B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289068A (en) * | 1999-09-16 | 2001-03-28 | 佳能株式会社 | Device for barriering lens of camera |
| JP2006171169A (en) * | 2004-12-14 | 2006-06-29 | Funai Electric Co Ltd | Projector |
| CN1862367A (en) * | 2005-05-09 | 2006-11-15 | 中强光电股份有限公司 | Sliding lens cap |
| CN2914138Y (en) * | 2006-05-11 | 2007-06-20 | 华晶科技股份有限公司 | Multidisc lens cap mechanism |
| JP2009501357A (en) * | 2005-07-15 | 2009-01-15 | レアード テクノロジーズ マップ カンパニー リミテッド | Open / close device for small camera |
| CN101464612A (en) * | 2007-12-21 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Lens cap |
| JP2010224222A (en) * | 2009-03-24 | 2010-10-07 | Seiko Epson Corp | Projector |
| CN202421708U (en) * | 2012-01-05 | 2012-09-05 | 南京化工职业技术学院 | Dustproof device of projector lens |
-
2012
- 2012-01-05 CN CN201210001069.7A patent/CN102508399B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289068A (en) * | 1999-09-16 | 2001-03-28 | 佳能株式会社 | Device for barriering lens of camera |
| JP2006171169A (en) * | 2004-12-14 | 2006-06-29 | Funai Electric Co Ltd | Projector |
| CN1862367A (en) * | 2005-05-09 | 2006-11-15 | 中强光电股份有限公司 | Sliding lens cap |
| JP2009501357A (en) * | 2005-07-15 | 2009-01-15 | レアード テクノロジーズ マップ カンパニー リミテッド | Open / close device for small camera |
| CN2914138Y (en) * | 2006-05-11 | 2007-06-20 | 华晶科技股份有限公司 | Multidisc lens cap mechanism |
| CN101464612A (en) * | 2007-12-21 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Lens cap |
| JP2010224222A (en) * | 2009-03-24 | 2010-10-07 | Seiko Epson Corp | Projector |
| CN202421708U (en) * | 2012-01-05 | 2012-09-05 | 南京化工职业技术学院 | Dustproof device of projector lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102508399B (en) | 2014-07-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200105 |