CN202421708U - Dustproof device of projector lens - Google Patents
Dustproof device of projector lens Download PDFInfo
- Publication number
- CN202421708U CN202421708U CN2012200014161U CN201220001416U CN202421708U CN 202421708 U CN202421708 U CN 202421708U CN 2012200014161 U CN2012200014161 U CN 2012200014161U CN 201220001416 U CN201220001416 U CN 201220001416U CN 202421708 U CN202421708 U CN 202421708U
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- CN
- China
- Prior art keywords
- base
- gear
- post
- spring leaf
- pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a dustproof device of a projector lens. The dustproof device of the projector lens is characterized in that a first electromagnet and a second electromagnet are embedded in a base and connected with a power socket; a first reset spring piece is installed in a first reset spring piece positioning groove on the base, a second reset spring piece is installed in a second reset spring piece positioning groove on the base; a first anti-loosing screw passes through a second hollow gear pillar to be screwed on a second screw sleeve pillar; a second anti-loosing screw passes through a first hollow gear pillar to be screwed on a first screw sleeve pillar; the first hollow gear pillar is coupled with a first transmission gear on a gear transmission ring sleeve iron plate face, and a second hollow gear pillar is coupled with a second transmission gear on the gear transmission ring sleeve iron plate face; the gear transmission ring sleeve is fixed among a first dustproof plate, a second dustproof plate and a base and is sleeved on the base; and pulleys of four pulley support rods are plugged in four inclined chutes on the side face of the base. The dustproof device of the projector lens has the following advantages and positive effects: the dustproof plate can be opened (closed), the dustproof effect is good and the manufacturing cost is low.
Description
Technical field
The utility model invention relates to a kind of projector lens dust guard, belongs 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
The utility model is invented technical matters to be solved and is provided 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 utility model invention solves the technical scheme that its technical matters adopted: 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 first 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 utility model invention is had are: can get (mistake) electric effect that produces magnetic and reseting spring leaf through electromagnet, attract (release) gear drive snare irony plate face, drive pulley and slide along oblique 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
Invention further specifies to the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the utility model inventive circuit schematic diagram.
Fig. 2 is the structural representation of the utility model 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 |
---|---|---|---|
CN2012200014161U CN202421708U (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200014161U CN202421708U (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202421708U true CN202421708U (en) | 2012-09-05 |
Family
ID=46746453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012200014161U Withdrawn - After Issue CN202421708U (en) | 2012-01-05 | 2012-01-05 | Dustproof device of projector lens |
Country Status (1)
Country | Link |
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CN (1) | CN202421708U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102508399A (en) * | 2012-01-05 | 2012-06-20 | 南京化工职业技术学院 | Dustproof device of projector lens |
CN108363264A (en) * | 2018-04-14 | 2018-08-03 | 深圳市腾星宏俊科技有限公司 | A kind of micro projector equipment |
CN117061855A (en) * | 2023-10-12 | 2023-11-14 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
-
2012
- 2012-01-05 CN CN2012200014161U patent/CN202421708U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102508399A (en) * | 2012-01-05 | 2012-06-20 | 南京化工职业技术学院 | Dustproof device of projector lens |
CN102508399B (en) * | 2012-01-05 | 2014-07-30 | 南京化工职业技术学院 | Dustproof device of projector lens |
CN108363264A (en) * | 2018-04-14 | 2018-08-03 | 深圳市腾星宏俊科技有限公司 | A kind of micro projector equipment |
CN117061855A (en) * | 2023-10-12 | 2023-11-14 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
CN117061855B (en) * | 2023-10-12 | 2024-01-19 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20140730 |
|
RGAV | Abandon patent right to avoid regrant |