CN213876282U - Dustproof device of projector - Google Patents
Dustproof device of projector Download PDFInfo
- Publication number
- CN213876282U CN213876282U CN202022937351.9U CN202022937351U CN213876282U CN 213876282 U CN213876282 U CN 213876282U CN 202022937351 U CN202022937351 U CN 202022937351U CN 213876282 U CN213876282 U CN 213876282U
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- fixedly connected
- projector
- connecting block
- box
- filter
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Abstract
The utility model belongs to the technical field of projector dust prevention, and relates to a dust prevention device of a projector, which comprises a box body, a transmission bin, a motor and a threaded column, wherein the transmission bin is arranged in the box body, the motor is fixedly connected with the inner wall of the transmission bin, the threaded column is fixedly connected with the left end of the output shaft of the motor, the projector has the advantages that by arranging the motor, the threaded column, the threaded cap and the support plate, when people need to adjust the position of the projector, people only need to control the motor to operate through the control switch, under the action of the threaded column and the threaded cap, the position of the supporting plate with the projector is adjusted, when the position is adjusted to a specified position, people can control the motor to stop operating by controlling the switch, therefore, people can adjust the position of the projector conveniently, and dust is prevented from entering the inside of the lens of the projector and damaging electronic elements.
Description
Technical Field
The utility model belongs to the technical field of the projector is dustproof, concretely relates to dust keeper of projector.
Background
The projector, also known as the projector, it is an optical instrument that utilizes optical element to enlarge the outline of work piece, and with its projection on the shadow screen, it can be used as the profile measurement with the transmitted light, the projector is widely used in the family at present, the office, school and recreation place, according to the working method difference, there are different types such as CRT, LCD, DLP, however, the dust keeper of the existing projector, because the leakproofness is not good enough, lead to the dust to enter into the electronic component inside the projector easily, cause the damage, reduce the life of projector, the existing device can not well prevent dust to the camera lens of projector simultaneously, and most dustproof structures are comparatively fixed, dismantle the washing to dustproof structure, the ventilation effect will be influenced after a long time.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a dust keeper of projector, it has solved dustproof effect not good, dustproof construction is not convenient for dismantle abluent technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a dustproof device of a projector comprises a box body, a transmission bin, a motor and a threaded column, wherein the transmission bin is arranged inside the box body, the motor is fixedly connected to the inner wall of the transmission bin, the threaded column is fixedly connected to the left end of an output shaft of the motor, the left end of the threaded column is fixedly connected with a rotating shaft, the inner wall of the transmission bin is fixedly connected with a bearing, the left end of the rotating shaft is arranged in the bearing in a penetrating manner, a threaded cap is connected to the surface of the threaded column in a threaded manner, a movable rod is fixedly connected to the upper end of the threaded cap, a movable groove is formed in the upper surface of the transmission bin, the movable rod is arranged in the movable groove in a penetrating manner, a support plate is fixedly connected to the upper end of the movable rod, a clamping groove is formed in the upper surface of the support plate, the projector is clamped inside the clamping groove, an air inlet is formed in the surface of the box body, a filter plate is arranged inside the air inlet, and a first sliding block is fixedly connected to the upper end of the filter plate, the air inlet is characterized in that a sliding groove is formed in the inner wall of the air inlet, the first sliding blocks are connected in the sliding groove in a sliding mode, the first sliding blocks and the sliding groove are two groups and are symmetrically arranged at two ends of the filter plate, the air outlet is formed in the surface of the box body, the filter plate is two groups and the other group, the filter plate is arranged inside the air outlet, and the fan is fixedly connected to the inner wall of the box body.
As a further aspect of the present invention: the novel multifunctional projection box is characterized in that a projection hole is formed in the surface of the box body, a first connecting block is fixedly connected to the inner wall of the projection hole, a connecting rod is arranged at the left end of the first connecting block, a pin shaft is arranged on the surface of the connecting rod in a penetrating mode, the first connecting block and the connecting rod are movably connected through the pin shaft, a dust cover is fixedly connected to the left end of the connecting rod, a second connecting block is fixedly connected to the upper surface of the dust cover, a first connecting plate is arranged at the upper end of the second connecting block, a pin shaft is arranged on the surface of the first connecting plate in a penetrating mode, and the second connecting block and the first connecting plate are movably connected through the pin shaft.
As a further aspect of the present invention: the box side fixedly connected with third connecting block, third connecting block left end is provided with the second connecting plate, the round pin axle is worn to be equipped with in second connecting plate surface, third connecting block and second connecting plate pass through round pin axle swing joint, first connecting plate upper end fixedly connected with electric putter, electric putter upper end fixed connection is on second connecting plate surface.
As a further aspect of the present invention: the fixed surface is connected with the second slider under the backup pad, fixed surface is connected with the slide rail on the transmission storehouse, second slider sliding connection is in the slide rail, second slider and slide rail are total two sets ofly, and are the symmetry setting at the backup pad lower extreme.
As a further aspect of the present invention: the upper end of the box body is movably connected with a box door through a hinge, the upper surface of the box door is fixedly connected with a first handle, and the right end of the filter plate is fixedly connected with a second handle.
As a further aspect of the present invention: the box lower surface fixedly connected with base, the total four groups of base just are the rectangle and arrange at the box lower surface, the positive fixedly connected with control switch of box, the inside microprocessor that is provided with of control switch.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this dust keeper of projector, through setting up the motor, the screw thread post, screw cap and backup pad, when people need adjust the position of projecting apparatus, people only need control the motor function through control switch, under the effect of screw thread post and screw cap, thereby make the position of the backup pad that carries the projecting apparatus adjust, when adjusting the assigned position, people through control switch control motor stop function can, thereby made things convenient for people to adjust the position of projecting apparatus, prevent that the dust from getting into inside the projecting apparatus camera lens, damage electronic component.
2. This dust keeper of projector, through setting up first connecting block, the second connecting block, third connecting block and electric putter, when people need adjust the angle of shield, people only need control the electric putter function through control switch, under second connecting block and third connecting block are in the effect, make the angle of the first connecting block that carries the shield adjust, when adjusting the assigned position, people through control switch control electric putter stop function can, thereby made things convenient for people to adjust the angle of shield.
3. This dust keeper of projector through setting up second handle, first slider and spout, when people need wash the filter and change, people only need stimulate the second handle, under the effect of first slider and spout for the filter breaks away from the air intake, then people wash the filter change can, thereby made things convenient for people to wash the filter and changed, prevented to block up the filter because of the dust is too much, reduce ventilation effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic perspective view of the filter plate of the present invention;
in the figure: 1. a box body; 2. a transmission bin; 3. a motor; 4. a threaded post; 5. a rotating shaft; 6. a bearing; 7. a threaded cap; 8. a movable rod; 9. a movable groove; 10. a support plate; 11. a card slot; 12. a projector; 13. an air inlet; 14. a filter plate; 15. a first slider; 16. a chute; 17. a fan; 18. a projection aperture; 19. a first connection block; 20. a connecting rod; 21. a dust cover; 22. a second connecting block; 23. a first connecting plate; 24. a third connecting block; 25. a second connecting plate; 26. an electric push rod; 27. a second slider; 28. a slide rail; 29. a box door; 30. a first handle; 31. a second handle; 32. a base; 33. a control switch; 34. and (7) air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a dust-proof device of a projector comprises a box body 1, a transmission bin 2, a motor 3 and a threaded column 4, wherein the transmission bin 2 is arranged inside the box body 1, the motor 3 is fixedly connected with the inner wall of the transmission bin 2, the threaded column 4 is fixedly connected with the left end of an output shaft of the motor 3, the left end of the threaded column 4 is fixedly connected with a rotating shaft 5, the inner wall of the transmission bin 2 is fixedly connected with a bearing 6, the left end of the rotating shaft 5 is arranged in the bearing 6 in a penetrating way, the surface of the threaded column 4 is in threaded connection with a threaded cap 7, the upper end of the threaded cap 7 is fixedly connected with a movable rod 8, the upper surface of the transmission bin 2 is provided with a movable groove 9, the movable rod 8 is arranged in the movable groove 9 in a penetrating way, the upper end of the movable rod 8 is fixedly connected with a support plate 10, the upper surface of the support plate 10 is provided with a clamping groove 11, a projector 12 is clamped inside the clamping groove 11, when people need to adjust the position of the projector 12, people only need to control the motor 3 to operate through a control switch 33, under the action of the threaded column 4 and the threaded cap 7, the position of the support plate 10 carrying the projector 12 is adjusted, when the position is adjusted to a designated position, people can control the motor 3 to stop operating through the control switch 33, thereby being convenient for people to adjust the position of the projector 12, preventing dust from entering the inside of the lens of the projector 12 and damaging electronic components, the surface of the box body 1 is provided with an air inlet 13, a filter plate 14 is arranged inside the air inlet 13, the upper end of the filter plate 14 is fixedly connected with a first sliding block 15, the inner wall of the air inlet 13 is provided with a sliding groove 16, the first sliding block 15 is connected in the sliding groove 16 in a sliding way, the first sliding block 15 and the sliding groove 16 are divided into two groups which are symmetrically arranged at two ends of the filter plate 14, the surface of the box body 1 is provided with an air outlet 34, the filter plates 14 are divided into two groups, the other group of filter plates 14 is arranged inside the air outlet 34, when people need to clean and replace the filter plate 14, people only need stimulate second handle 31, under the effect of first slider 15 and spout 16 for filter 14 breaks away from air intake 13, then people wash the filter 14 change can, thereby made things convenient for people to wash the change to filter 14, prevented to block up filter 14 because of the dust is too much, reduce ventilation effect, 1 inner wall fixedly connected with fan 17 of box.
Specifically, projection hole 18 has been seted up on the 1 surface of box, the first connecting block 19 of 18 inner wall fixedly connected with in projection hole, 19 left ends of first connecting block are provided with connecting rod 20, the round pin axle is worn to be equipped with on the connecting rod 20 surface, first connecting block 19 and connecting rod 20 are through round pin axle swing joint, 20 left end fixedly connected with shield 21 of connecting rod, fixed surface is connected with second connecting block 22 on the shield 21, second connecting block 22 upper end is provided with first connecting plate 23, the round pin axle is worn to be equipped with on the surface of first connecting plate 23, second connecting block 22 and first connecting plate 23 are through round pin axle swing joint.
Concretely, 1 side fixedly connected with third connecting block 24 of box, the 24 left ends of third connecting block are provided with second connecting plate 25, the round pin axle is worn to be equipped with on second connecting plate 25 surface, third connecting block 24 and second connecting plate 25 are through round pin axle swing joint, first connecting plate 23 upper end fixedly connected with electric putter 26, electric putter 26 upper end fixed connection is on second connecting plate 25 surface, when people need adjust the angle of shield 21, people only need control electric putter 26 function through control switch 33, under second connecting block 22 and third connecting block 24 are in the effect, make the angle of the first connecting block 19 who carries shield 21 adjust, when adjusting the assigned position, people through control electric putter 26 of control switch 33 stop the function can, thereby made things convenient for people to adjust the angle of shield 21.
Specifically, the lower surface of the supporting plate 10 is fixedly connected with a second sliding block 27, the upper surface of the transmission bin 2 is fixedly connected with a sliding rail 28, the second sliding block 27 is connected in the sliding rail 28 in a sliding manner, the second sliding block 27 and the sliding rail 28 are two groups in total, and the second sliding block 27 and the sliding rail 28 are symmetrically arranged at the lower end of the supporting plate 10.
Specifically, the upper end of the box body 1 is movably connected with a box door 29 through a hinge, the upper surface of the box door 29 is fixedly connected with a first handle 30, and the right end of the filter plate 14 is fixedly connected with a second handle 31.
Specifically, the lower surface of the box body 1 is fixedly connected with four groups of bases 32, the bases 32 are arranged on the lower surface of the box body 1 in a rectangular shape, the front surface of the box body 1 is fixedly connected with a control switch 33, and a microprocessor is arranged inside the control switch 33.
The utility model discloses a theory of operation does:
s1, when in use, firstly, the device is electrically connected with an external power supply, then people control the electric push rod 26 to operate through the control switch 33, the angle of the first connecting block 19 with the dust cover 21 is adjusted under the action of the second connecting block 22 and the third connecting block 24, and when the angle is adjusted to a specified position, people control the electric push rod 26 to stop operating through the control switch 33;
s2, when people need to adjust the position of the projector 12, people only need to control the motor 3 to operate through the control switch 33, under the action of the threaded column 4 and the threaded cap 7, the position of the support plate 10 with the projector 12 can be adjusted, and when the position is adjusted to a specified position, people can control the motor 3 to stop operating through the control switch 33;
s3, when people need to clean and replace the filter plate 14, people only need to pull the second handle 31 to enable the filter plate 14 to be separated from the air inlet 13 under the action of the first sliding block 15 and the sliding groove 16, and then people can clean and replace the filter plate 14.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a dust keeper of projector, includes box (1), transmission storehouse (2), motor (3) and screw thread post (4), its characterized in that: the transmission bin (2) is arranged inside the box body (1), the motor (3) is fixedly connected to the inner wall of the transmission bin (2), the threaded column (4) is fixedly connected to the left end of an output shaft of the motor (3), the left end of the threaded column (4) is fixedly connected with the rotating shaft (5), the inner wall of the transmission bin (2) is fixedly connected with the bearing (6), the left end of the rotating shaft (5) is arranged in the bearing (6) in a penetrating mode, a threaded cap (7) is connected to the surface of the threaded column (4) in a threaded mode, a movable rod (8) is fixedly connected to the upper end of the threaded cap (7), a movable groove (9) is formed in the upper surface of the transmission bin (2), the movable rod (8) is arranged in the movable groove (9) in a penetrating mode, a supporting plate (10) is fixedly connected to the upper end of the movable rod (8), a clamping groove (11) is formed in the upper surface of the supporting plate (10), and a projector (12) is clamped inside the clamping groove (11), the utility model discloses a filter, including box (1), air intake (13), filter (14), the first slider (15) of filter (14) upper end fixedly connected with, spout (16) have been seted up to air intake (13) inner wall, first slider (15) sliding connection is in spout (16), first slider (15) and spout (16) are total two sets ofly, and are the symmetry setting at filter (14) both ends, box (1) surface is provided with air outlet (34), filter (14) are total two sets ofly, another group filter (14) set up inside air outlet (34), box (1) inner wall fixedly connected with fan (17).
2. The dustproof device for a projector according to claim 1, wherein: the utility model discloses a projection screen, including box (1), projection hole (18), first connecting block (19) of projection hole (18) inner wall fixedly connected with, first connecting block (19) left end is provided with connecting rod (20), the round pin axle is worn to be equipped with on connecting rod (20) surface, first connecting block (19) and connecting rod (20) are through round pin axle swing joint, connecting rod (20) left end fixedly connected with shield (21), fixed surface is connected with second connecting block (22) on shield (21), second connecting block (22) upper end is provided with first connecting plate (23), the round pin axle is worn to be equipped with on first connecting plate (23) surface, second connecting block (22) and first connecting plate (23) are through round pin axle swing joint.
3. The dustproof device for a projector according to claim 2, wherein: the utility model discloses a box, including box (1) side fixedly connected with third connecting block (24), third connecting block (24) left end is provided with second connecting plate (25), round pin axle is worn to be equipped with on second connecting plate (25) surface, third connecting block (24) and second connecting plate (25) are through round pin axle swing joint, first connecting plate (23) upper end fixedly connected with electric putter (26), electric putter (26) upper end fixed connection is on second connecting plate (25) surface.
4. The dustproof device for a projector according to claim 1, wherein: fixed surface is connected with second slider (27) under backup pad (10), fixed surface is connected with slide rail (28) on transmission storehouse (2), second slider (27) sliding connection is in slide rail (28), second slider (27) and slide rail (28) are total two sets ofly, and are the symmetry and set up in backup pad (10) lower extreme.
5. The dustproof device for a projector according to claim 1, wherein: the upper end of the box body (1) is movably connected with a box door (29) through a hinge, the upper surface of the box door (29) is fixedly connected with a first handle (30), and the right end of the filter plate (14) is fixedly connected with a second handle (31).
6. The dustproof device for a projector according to claim 1, wherein: the improved refrigerator is characterized in that the base (32) is fixedly connected to the lower surface of the box body (1), the base (32) is four in number and is arranged on the lower surface of the box body (1) in a rectangular mode, the control switch (33) is fixedly connected to the front surface of the box body (1), and a microprocessor is arranged inside the control switch (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937351.9U CN213876282U (en) | 2020-12-10 | 2020-12-10 | Dustproof device of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937351.9U CN213876282U (en) | 2020-12-10 | 2020-12-10 | Dustproof device of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213876282U true CN213876282U (en) | 2021-08-03 |
Family
ID=77065531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022937351.9U Expired - Fee Related CN213876282U (en) | 2020-12-10 | 2020-12-10 | Dustproof device of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213876282U (en) |
-
2020
- 2020-12-10 CN CN202022937351.9U patent/CN213876282U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 Termination date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |