CN221056814U - Mirror protection device for projector - Google Patents
Mirror protection device for projector Download PDFInfo
- Publication number
- CN221056814U CN221056814U CN202322584038.5U CN202322584038U CN221056814U CN 221056814 U CN221056814 U CN 221056814U CN 202322584038 U CN202322584038 U CN 202322584038U CN 221056814 U CN221056814 U CN 221056814U
- Authority
- CN
- China
- Prior art keywords
- projector
- projection lens
- box body
- protection box
- protection device
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model discloses a mirror protection device for a projector, and relates to the technical field of projector structures. The projector comprises a projector body provided with a projection lens, wherein a protection box body is fixedly arranged at the front end of the projector body, an air inlet and an air outlet are respectively arranged at two sides of the protection box body, a sliding notch is arranged at the front end of the protection box body, a sliding cover body matched with the projection lens is slidably arranged on the sliding notch, a micro electric fan is fixedly arranged in the protection box body, the air inlet is communicated with the input end of the micro electric fan, and the output end of the micro electric fan faces to the front of the projection lens, so that dust particles are not adsorbed on the projection lens in the use process of the projector body, and the projection efficiency of the projector is improved.
Description
Technical Field
The utility model belongs to the technical field of projector structures, and particularly relates to a mirror protection device for a projector.
Background
The projector is an optical instrument which uses optical elements to enlarge the outline of a workpiece and project the workpiece onto a shadow screen, is widely applied to families, offices, schools and recreational areas, uses the optical elements to enlarge the outline of the workpiece and project the workpiece onto the shadow screen, and can use transmitted light for contour measurement and also can use reflected light for measuring the shape of the surface without through holes and observing the surface of a part.
The projector lens protection structure comprises a projector body, an upper cover body and a lower cover body, wherein the upper cover body is arranged at the top of the projector body, and the lower cover body is arranged at the bottom of the projector body; characterized by further comprising: the connecting ring seat is arranged on the side face of the projector body, a projection lens is arranged on the inner side of the connecting ring seat, and the projection lens is positioned in the middle of the side face of the projector body; and the rotating shaft rod is arranged on the left side of the connecting ring seat, and the outer wall of the rotating shaft rod is fixedly connected with a supporting frame. This projector camera lens protective structure drives the worm wheel dish through control transmission worm and rotates, and the worm wheel dish links to each other with the rotation axostylus axostyle, and then drives the guard shield motion on rotation axostylus axostyle and the support frame, and guard shield's external diameter is greater than projection lens's external diameter, plays to shelter from the protection to projection lens is automatic, avoids projection lens to receive the unexpected circumstances that damages of foreign object collision when not using.
The above patent protects the projection lens of the projector when the projector is not in use, but dust particles suspended in air still remain to be adsorbed on the projection lens of the projector in the use process of the projector, and when the adsorbed dust on the projection lens of the projector is too much, the use efficiency of the projector can be affected.
Accordingly, there is a need for an improved mirror protection device for a projector that overcomes the shortcomings and drawbacks of the prior art.
Disclosure of utility model
The present utility model is directed to overcoming the deficiencies of the prior art and providing a mirror protection device for a projector, which can overcome or at least partially solve the above-mentioned problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the utility model provides a mirror protection device for projector, includes the projector body that is equipped with projection lens, the front end of projector body has the protection box body, the both sides of protection box body are equipped with air intake and air outlet respectively, the front end of protection box body is equipped with the slide slot, slidable mounting on the slide slot with projection lens assorted slip lid, fixed mounting has miniature electric fan in the protection box body, the air intake with miniature electric fan's input intercommunication, miniature electric fan's output orientation projection lens directly ahead.
In order to clean the projection lens, preferably, the sliding cover body comprises a sliding cover plate and a rotating cover, the sliding cover plate is in sliding connection with the protection box body, and cleaning cotton is fixedly arranged at the back end of the rotating cover.
In order to achieve better cleaning effect, further, a reset spring is fixedly arranged on the rotating cover, a rotating ring is fixedly arranged at the tail end of the reset spring, and the rotating ring is rotationally connected with the sliding cover plate.
In order to seal the air inlet and the air outlet, preferably, two sides of the projector body are slidably provided with sealing sliding covers matched with the air inlet and the air outlet.
In order to seal the sliding groove opening, further, a sealing rubber ring matched with the sliding groove opening is fixedly arranged on the sliding cover body.
In order to make the wind blown out by the micro electric fan be hot wind, preferably, an electric heating coil is arranged in the micro electric fan.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects: the utility model relates to a mirror protection device for a projector, which blows high-speed hot air through a micro electric fan in a protection box body, blows dust particles adsorbed on a projection lens, and blows the dust particles out of a chute opening and an air outlet.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the protection case of the present utility model;
FIG. 3 is a schematic view of a sliding cover of the present utility model;
fig. 4 is a schematic view of the structure of the rotary cover of the present utility model.
In the figure: 1. a projector body; 2. protecting the box body; 201. an air inlet; 202. an air outlet; 203. a slide slot; 3. a sliding cover; 301. a sliding cover plate; 302. a rotary cover; 303. a return spring; 304. a rotating ring; 305. cleaning cotton; 4. a miniature electric fan; 5. and sealing the sliding cover.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Examples:
Referring to fig. 1-4, a mirror protection device for a projector includes a projector body 1 provided with a projection lens, a protection box body 2 is fixedly mounted at the front end of the projector body 1, an air inlet 201 and an air outlet 202 are respectively provided at two sides of the protection box body 2, a sliding slot 203 is provided at the front end of the protection box body 2, a sliding cover body 3 matched with the projection lens is slidably mounted on the sliding slot 203, a micro electric fan 4 is fixedly mounted in the protection box body 2, the air inlet 201 is communicated with the input end of the micro electric fan 4, and the output end of the micro electric fan 4 faces to the front of the projection lens.
The sliding cover body 3 comprises a sliding cover plate 301 and a rotating cover 302, the sliding cover plate 301 is in sliding connection with the protection box body 2, cleaning cotton 305 is fixedly arranged at the back end of the rotating cover 302, a reset spring 303 is fixedly arranged on the rotating cover 302, a rotating ring 304 is fixedly arranged at the tail end of the reset spring 303, the rotating ring 304 is rotationally connected with the sliding cover plate 301, the rotating cover 302 is pushed to enable the cleaning cotton 305 to prop against the projection lens, the reset spring 303 is compressed, the rotating cover 302 is rotated again, and the reset spring 303 and the rotating ring 304 also rotate on the sliding cover plate 301 to enable the cleaning cotton 305 to wipe the projection lens.
The two sides of the projector body 1 are slidably provided with sealing sliding covers 5 matched with the air inlet 201 and the air outlet 202, the sliding cover 3 is fixedly provided with sealing rubber rings matched with the sliding groove opening 203, when the projector is not used, the sealing sliding covers 5 on the two sides seal the air inlet 201 and the air outlet 202, and the sliding cover 3 and the sealing rubber rings on the sliding cover 3 seal the sliding groove opening 203 to prevent dust from entering the protection box body 2.
An electric heating coil is arranged in the micro electric fan 4, so that wind blown out by the micro electric fan 4 is hot air, and dust particles with moving humidity are prevented from adhering to the projection lens.
When the projector body 1 is not in use, the sealing sliding covers 5 on two sides seal the air inlet 201 and the air outlet 202, and the sliding cover plate 301 slides to seal the sliding groove opening 203, so that dust is prevented from entering the protection box body 2 and being adsorbed on the projection lens.
When the projector body 1 is required to be used, the sealing sliding cover 5 and the sliding cover body 3 on two sides are slid, the projection lens is projected through the sliding notch 203, meanwhile, the micro electric fan 4 is started, the filter screen is installed in the air inlet 201, the micro electric fan 4 blows out high-speed hot air, dust particles adsorbed on the projection lens are blown up, the dust particles are blown out from the sliding slot 203 and the air outlet 202, and sundries on the projection lens are removed through air flow, so that the projector body 1 cannot be influenced.
When the projector body 1 is used, the sealing sliding cover 5 and the sliding cover 3 on the two sides slide again to seal the air inlet 201, the air outlet 202 and the sliding notch 203, press the rotating cover 302 and rotate, and the cleaning cotton 305 wipes and cleans the projection lens.
The present utility model is not limited to the above embodiments, but is not limited to the above embodiments, and any person skilled in the art will appreciate that the present utility model is not limited to the above embodiments.
Claims (6)
1. The utility model provides a mirror protection device for projector, includes projector body (1) that is equipped with projection lens, its characterized in that, the front end fixed mounting of projector body (1) has protection box body (2), the both sides of protection box body (2) are equipped with air intake (201) and air outlet (202) respectively, the front end of protection box body (2) is equipped with slide slot (203), slidable mounting on slide slot (203) with projection lens assorted slip lid (3), fixed mounting has miniature electric fan (4) in protection box body (2), air intake (201) with the input intercommunication of miniature electric fan (4), the output orientation of miniature electric fan (4) in front of projection lens.
2. The mirror protection device for a projector according to claim 1, wherein the sliding cover body (3) comprises a sliding cover plate (301) and a rotating cover (302), the sliding cover plate (301) is slidably connected with the protection box body (2), and cleaning cotton (305) is fixedly arranged at the back end of the rotating cover (302).
3. The mirror protection device for a projector according to claim 2, wherein a return spring (303) is fixedly installed on the rotating cover (302), a rotating ring (304) is fixedly installed at the tail end of the return spring (303), and the rotating ring (304) is rotatably connected with the sliding cover plate (301).
4. The mirror protection device for a projector according to claim 1, wherein the two sides of the projector body (1) are slidably provided with a sealing sliding cover (5) matched with the air inlet (201) and the air outlet (202).
5. The mirror protection device for a projector according to claim 4, wherein a sealing rubber ring matched with the sliding slot opening (203) is fixedly arranged on the sliding cover body (3).
6. A mirror protection device for a projector according to claim 1, characterized in that an electrothermal coil is provided in the micro-fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322584038.5U CN221056814U (en) | 2023-09-22 | 2023-09-22 | Mirror protection device for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322584038.5U CN221056814U (en) | 2023-09-22 | 2023-09-22 | Mirror protection device for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221056814U true CN221056814U (en) | 2024-05-31 |
Family
ID=91205351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322584038.5U Active CN221056814U (en) | 2023-09-22 | 2023-09-22 | Mirror protection device for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221056814U (en) |
-
2023
- 2023-09-22 CN CN202322584038.5U patent/CN221056814U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201051203Y (en) | Self-cleaning video camera | |
| CN208735831U (en) | A kind of fresh air purification device | |
| CN209576050U (en) | A kind of air filter of automatically cleaning against shock | |
| CN210874463U (en) | A dust collector for new trend system filter screen | |
| CN213492666U (en) | Car air cleaner convenient to installation is changed | |
| CN221056814U (en) | Mirror protection device for projector | |
| CN211860315U (en) | Anti-fog device for camera | |
| CN209358337U (en) | A kind of motor with uniformly distributed ventilated type protective roof structure | |
| CN111698482B (en) | Rotatory supervisory equipment with clean and heat dissipation function | |
| CN219999482U (en) | Monitoring camera with cleaning function | |
| CN209635107U (en) | A kind of automatic painting line levelling baking vanish drawer type dust collecting box | |
| CN115023124B (en) | New energy data acquisition server based on big data platform | |
| CN113375027B (en) | Pan-tilt rotating optical zooming face recognition monitoring ball machine | |
| CN216451414U (en) | Security protection equipment shell structure convenient to dustproof processing | |
| CN112298714B (en) | Automatic folding mechanism for producing mattress | |
| CN209999984U (en) | Jade carving machine | |
| CN114963375A (en) | Circulating ventilation system for laboratory | |
| CN220291882U (en) | Protective structure of rectifier | |
| CN216023735U (en) | Self-cleaning dust-proof device for subway air conditioner | |
| CN216159260U (en) | Idle call filter screen is from cleaning structure | |
| CN214746486U (en) | Variable-frequency air source air heater with dustproof function | |
| CN217335711U (en) | Road bridge construction real-time monitoring device | |
| CN219220166U (en) | Integrated arc folding door | |
| CN221768164U (en) | Self-cleaning mechanism for camera lens | |
| CN215175726U (en) | Window type fresh air machine convenient to maintain and air supplementing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |