CN102508399B - Dustproof device of projector lens - Google Patents
Dustproof device of projector lens Download PDFInfo
- Publication number
- CN102508399B CN102508399B CN201210001069.7A CN201210001069A CN102508399B CN 102508399 B CN102508399 B CN 102508399B CN 201210001069 A CN201210001069 A CN 201210001069A CN 102508399 B CN102508399 B CN 102508399B
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- Prior art keywords
- 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 dustproof device of projector lens, belong to electromechanical automatic technical field.
Background technology
At present, the projector in the multimedia Room (or classroom) is to be all generally fixed on the place higher apart from ground, and camera lens is all long-time outside exposed conventionally, and the dust being accumulated on camera lens directly affects projector projects effect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of dustproof device of projector lens, obtain the effect of (mistake) electricity generation magnetic and reseting spring leaf with electromagnet, attract (release) gear drive snare irony plate face, band travelling block slides along oblique chute, transmission gear on gear drive snare irony plate face drives the hollow gear post on dust excluding plate, open (closure) dust excluding plate, reach dustproof object.
The technical solution adopted for the present invention to solve the technical problems is: device is by anti-loosing 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 is installed fixed block, transformer, rectification circuit, electric capacity, gear drive snare and base composition, 220 volts of alternating current input ends of elementary and transformer of transformer are connected, the secondary rectification circuit input end that connects of transformer, electric capacity is in parallel with rectification circuit output end, and output is connected electric capacity with circuit, the first dust excluding plate, on the second dust excluding plate, connect respectively the first hollow gear post, the second hollow gear post, on gear drive snare irony plate face, symmetry has the first transmission gear, the second transmission gear, four pulley pole symmetries are cast on gear drive snare medial surface, and four pulleys are positioned on respectively four pulley poles above, have the first swivel nut post on base, the second swivel nut post, there is outlet base side, has below base device that fixed block is installed, and it is characterized in that: the first electromagnet, the second electromagnet is embedded in base, and be connected with outlet, in the first reseting spring leaf locating slot above base, be equipped with the first reseting spring leaf, in the second reseting spring leaf locating slot above base, pacify the second reseting spring leaf, the first anti-loosing screw is twisted and is connected on the second swivel nut post through the second hollow gear post, the second anti-loosing screw is twisted and is connected on the first swivel nut post through the first hollow gear post, the first transmission gear coupling on the first hollow gear post and gear drive snare irony plate face, the second transmission gear coupling on the second hollow gear post and gear drive snare irony plate face, gear drive snare is fixed on the first dust excluding plate, between the second dust excluding plate and base and be sleeved on base, the pulley on four pulley poles is plugged in four oblique chutes on base side.
Owing to adopting technique scheme, advantage and good effect that the present invention has are: can obtain by electromagnet the effect that (mistake) electricity produces magnetic and reseting spring leaf, attract (release) gear drive snare irony plate face, band travelling block slides along oblique chute, transmission gear on gear drive snare irony plate face drives the hollow gear post on dust excluding plate, open (closure) dust excluding plate, good dustproof effect, cost is not high yet.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is structural representation of the present invention.
220 volts of alternating current input ends of V. transformer in figure, T. transformer, M. rectification circuit, C. electric capacity, F. power output end, 1. the first anti-loosing screw, 2. the first dust excluding plate, 3. the second dust excluding plate, 4. gear drive snare irony plate face, 5. pulley, 6. the second anti-loosing screw, 7. the first hollow gear post, 8. the first transmission gear, 9. pulley pole, 10. the first electromagnet, 11. first swivel nut posts, 12. first reseting spring leafs, 13. oblique chutes, 14. devices are installed fixed block, 15. first reseting spring leaf locating slots, 16. outlets, 17. second electromagnet, 18. bases, 19. second swivel nut posts, 20. second reseting spring leaf locating slots, 21. second reseting spring leafs, 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 elementary and transformer (V) of transformer (T) are connected, secondary rectification circuit (M) input end that connects of transformer (T), electric capacity (C) is in parallel with rectification circuit (M) output terminal, and electric capacity (C) is connected with circuit output (F).
In Fig. 2, the first dust excluding plate (2), on the second dust excluding plate (3), connect respectively the first hollow gear post (7), the second hollow gear post (24), the upper symmetry of gear drive snare irony plate face (4) has the first transmission gear (8), the 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), on base (18), there is the first swivel nut post (11), the second swivel nut post (19), there is outlet (16) base (18) side, base (18) has device that fixed block (14) is installed below, it is characterized in that: the first electromagnet (10), the second electromagnet (17) is embedded in base (18), and be connected with outlet (16), in base (18) the first reseting spring leaf locating slot (15) above, be equipped with the first reseting spring leaf (12), peace the second reseting spring leaf (21) in base (18) the second reseting spring leaf locating slot (20) above, the first anti-loosing screw (1) is twisted and is connected on the second swivel nut post (19) through the second hollow gear post (24), the second anti-loosing screw (6) is twisted and is connected on the first swivel nut post (11) through the first hollow gear post (7), the first hollow gear post (7) is coupled with the first transmission gear (8) on gear drive snare irony plate face (4), the second hollow gear post (24) is coupled with the second transmission gear (23) on gear drive snare irony plate face (4), gear drive snare (22) is fixed on the first dust excluding plate (2), between the second dust excluding plate (3) and base (18) and be sleeved on base (18), pulley (5) on four pulley poles (9) is plugged in the four oblique chutes (13) on base (18) side.
Claims (1)
1. a dustproof device of projector lens, by anti-loosing 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 is installed fixed block, transformer, rectification circuit, electric capacity, gear drive snare and base composition, 220 volts of alternating current input ends of elementary and transformer (V) of transformer (T) are connected, secondary rectification circuit (M) input end that connects of transformer (T), electric capacity (C) is in parallel with rectification circuit (M) output terminal, electric capacity (C) is connected with circuit output (F), the first dust excluding plate (2), on the second dust excluding plate (3), connect respectively the first hollow gear post (7), the second hollow gear post (24), the upper symmetry of gear drive snare irony plate face (4) has the first transmission gear (8), the 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), on base (18), there is the first swivel nut post (11), the second swivel nut post (19), there is outlet (16) base (18) side, base (18) has device that fixed block (14) is installed below, it is characterized in that: the first electromagnet (10), the second electromagnet (17) is embedded in base (18), and be connected with outlet (16), in base (18) the first reseting spring leaf locating slot (15) above, be equipped with the first reseting spring leaf (12), peace the second reseting spring leaf (21) in base (18) the second reseting spring leaf locating slot (20) above, the first anti-loosing screw (1) is twisted and is connected on the second swivel nut post (19) through the second hollow gear post (24), the second anti-loosing screw (6) is twisted and is connected on the first swivel nut post (11) through the first hollow gear post (7), the first hollow gear post (7) is coupled with the first transmission gear (8) on gear drive snare irony plate face (4), the second hollow gear post (24) is coupled with the second transmission gear (23) on gear drive snare irony plate face (4), gear drive snare (22) is fixed on the first dust excluding plate (2), between the second dust excluding plate (3) and base (18) and be sleeved on base (18), 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 CN102508399A (en) | 2012-06-20 |
| CN102508399B true 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 |
|---|---|
| CN102508399A (en) | 2012-06-20 |
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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 |