CN204694974U - Dust guard and use the projector of this dust guard - Google Patents
Dust guard and use the projector of this dust guard Download PDFInfo
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- CN204694974U CN204694974U CN201520311897.XU CN201520311897U CN204694974U CN 204694974 U CN204694974 U CN 204694974U CN 201520311897 U CN201520311897 U CN 201520311897U CN 204694974 U CN204694974 U CN 204694974U
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- air filter
- frame
- dust guard
- fixture
- stripe board
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Abstract
The utility model relates to a kind of dust guard and uses the projector of this dust guard, above-mentioned dust guard comprises fixture and is arranged at the Air Filter assembly on described fixture, described fixture comprises framework and is arranged at the grid on described framework, described framework and described grid form host cavity, described Air Filter assembly comprises frame and is arranged at the Air Filter on described frame, described frame is elastic peripheral frame, described Air Filter assembly is contained in described host cavity, and described frame abuts with described frame elastic.The Air Filter assembly of this dust guard is contained in the host cavity of fixture, and to be abutted with the elasticity of fixture by frame and realize Air Filter assembly and be fixed on fixture, the fixed form that this elasticity abuts makes between the frame of Air Filter assembly and the frame of fixture very close to each other, lower to making accuracy requirement, easy for installation, and dust-proof effect is better.
Description
Technical field
The utility model relates to dust control technology field, particularly relates to a kind of dust guard and uses the projector of this dust guard.
Background technology
Air Filter has use in many products, and Air Filter effect in the product carries out dust removal process to the air entering product, and ensure the serviceable life of product, such as projector uses Air Filter to carry out udst separation to cooling-air usually.
The principle of work of Air Filter is air can be adsorbed by dust during Air Filter.The making of current Air Filter does not realize complete mechanical, by manually greatly in manufacturing process, when making Air Filter, the precision of size can not be accomplished very high, be generally ± 1mm, the dust-proof requirement of some electronic product to air is very high, when installing Air Filter because the making time error of Air Filter is comparatively large, will install to enter if Air Filter size is bigger than normal.If Air Filter size is too little, the surrounding of Air Filter just there will be crack, and the air with dust will enter in product by gap, greatly reduces the dirt exclusion capabilities of Air Filter.
Because size meeting bigger than normal causes Air Filter to install not enter, Air Filter manufacturer make Air Filter time with standard size 1mm less than normal for manufactured size, the making precision of Air Filter is ± 1mm, so there is 2mm the Air Filter maximal clearance of producing, this can make the dirt exclusion capabilities of Air Filter greatly reduce.
Utility model content
Based on this, what be necessary to exist for current Air Filter installs and the not good problem of dust-proof effect because making being difficult to that precision causes, and provides a kind of and installs and the good dust guard of dust-proof effect making accuracy requirement is lower, convenient.
A kind of dust guard, comprise fixture and be arranged at the Air Filter assembly on described fixture, described fixture comprises framework and is arranged at the grid on described framework, described framework and described grid form host cavity, described Air Filter assembly comprises frame and is arranged at the Air Filter on described frame, described frame is elastic peripheral frame, and described Air Filter assembly is contained in described host cavity, and described frame abuts with described frame elastic.
Wherein in an embodiment, described frame is square frame, described square frame comprises four stripe board facing each other, each described stripe board is folded to form a fixed part and an invayination, four fixed parts of described four stripe board are connected to form square border structure, and described invayination is positioned at the outside of described square border structure and abuts with described frame elastic.
Wherein in an embodiment, the width of described fixed part is equal with the width of described invayination.
Wherein in an embodiment, the middle part of each described stripe board offers the bar-shaped trough being extended to the other end along described stripe board length direction by one end, and each described stripe board forms a fixed part and an invayination along described bar-shaped trough doubling.
Wherein in an embodiment, each described stripe board offers multiple spaced through hole, described multiple through hole is positioned on described bar-shaped trough and along the length direction of described bar-shaped trough and distributes.
Wherein in an embodiment, described Air Filter is nonwoven fabrics Air Filter, sponge air filter or nylon Air Filter.
Wherein in an embodiment, described Air Filter is the space network of xsect indentation.
A kind of projector, comprise casing, also comprise above-mentioned dust guard, described casing offers air intake vent, described dust guard is installed on described air intake vent place.
The Air Filter assembly of above-mentioned dust guard is contained in the host cavity of fixture, and to be abutted with the elasticity of fixture by frame and realize Air Filter assembly and be fixed on fixture, the fixed form that this elasticity abuts makes between the frame of Air Filter assembly and the frame of fixture very close to each other, lower to making accuracy requirement, easy for installation, and dust-proof effect is better.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the dust guard of an embodiment;
Fig. 2 is the structural representation of the fixture of the dust guard shown in Fig. 1;
The structural representation of the Air Filter assembly that Fig. 3 is the dust guard shown in Fig. 1;
Fig. 4 is the perspective view of the dust guard shown in Fig. 1;
Fig. 5 is the sectional view along the V-V direction shown in Fig. 3;
View during the non-doubling of the stripe board of the Air Filter assembly that Fig. 6 is the dust guard shown in Fig. 1;
View when Fig. 7 is the non-doubling of the stripe board of the Air Filter assembly of another embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Refer to Fig. 1, the dust guard 100 of an embodiment, comprise fixture 20 and Air Filter assembly 40.Air Filter assembly 40 for fixing Air Filter assembly 40, and is mounted on the dust-proof device of needs by fixture 20, such as projector.
See also Fig. 2, fixture 20 comprises framework 22 and is arranged at the grid 24 on framework 22.Framework 22 and grid 24 form host cavity 26.In present embodiment, framework 22 is square framework, can foursquare framework, also can be rectangular framework.
See also Fig. 3, the Air Filter 44 that Air Filter assembly 40 comprises frame 42 and is arranged on frame 42.Frame 42 is elastic peripheral frame.Air Filter assembly 40 is contained in host cavity 26, frame 42 abuts with the inwall elasticity of the framework 22 of fixture 20 and makes Air Filter assembly 40 be fixed on fixture 20, complete the assembling of dust guard 100, as shown in Figure 4, Air Filter assembly 40 is fixed in fixture 20 dust guard 100 assembled.
In present embodiment, frame 42 is square frame, can be foursquare frame, also can be rectangular frame.Be appreciated that the shape of frame 42 and the mating shapes of framework 22.Refer to Fig. 5, frame 42 comprises four relative and parallel between two between two stripe board 422.Each stripe board 422 is folded to form a fixed part 4222 and an invayination 4224.Four fixed parts 4222 of four stripe board 422 are connected to form square border structure, and invayination 4224 is positioned at the outside of square border structure.Invayination 4224 abuts with the inwall of framework 22.
Existence due to invayination 4224 makes when assembling, frame 42 has elasticity, when the invayination 4224 of frame 42 abuts with the inwall of framework 22, invayination 4224 can produce deformation and make frame 42 and framework 22 elasticity abut thus be fixed on fixture 20 by Air Filter assembly 40.Further, the mode that this elasticity abuts eliminates the gap between fixture 20 and Air Filter assembly 40, and the dust avoided in air directly enters device inside without the purification of Air Filter assembly 40, and dust-proof effect is better.
Preferably, the width of fixed part 4222 and invayination 4224 is equal, closely agrees with to make Air Filter assembly 40 and fixture 20.
Refer to Fig. 6, Fig. 6 is the state of the non-doubling of stripe board 422.Preferably, the middle part of each stripe board 422 offers bar-shaped trough 4226, and bar-shaped trough 4226 extends to the other end along the length direction of stripe board 422 by one end.Stripe board 422 is folded to form the equal fixed part of width 4222 and invayination 4224 along bar-shaped trough 4226.After doubling, when not loaded in fixture 20 by Air Filter assembly 40, form angle between fixed part 4222 and invayination 4224, as shown in Figure 5.When being loaded in fixture 20 by Air Filter assembly 40, invayination 4224 abuts with the inwall of framework 22, and invayination 4224 receives extruding and deformation occurs, and angle diminishes or disappears.
Offer the doubling that bar-shaped trough 4226 is conducive to stripe board 422.Be appreciated that, in other modes, bar-shaped trough 4226 can omit, omitting bar-shaped trough 4226 also can doubling and form invayination 4224.
Be appreciated that above-mentioned stripe board 422 should select suitable material, stripe board 422 can not be fractureed after making doubling.Such as, fiberboard can be selected as the material of stripe board 422.
Refer to Fig. 7, further preferably, stripe board 422 offers multiple spaced through hole 4228, multiple through hole 4228 is positioned on bar-shaped trough 4226 and along the length direction of bar-shaped trough 4226 and distributes.The size of through hole 4228 such as length and width or diameter etc. are greater than the width of bar-shaped trough 4226.
Offer through hole 4228, the elastic force of fixed part 4222 and invayination 4224 after stripe board 422 doubling can be alleviated, while guarantee elasticity abuts, be conducive to protecting border 42.Be appreciated that in other embodiments, through hole 4228 can omit.
Be appreciated that, above-mentioned frame 42 also can not adopt the above-mentioned mode being folded to form fixed part 4222 and invayination 4224, but directly adopt resilient material to make resilient frame 42, also can realize frame 42 and abut with framework 22 elasticity and play the effect eliminating gap.When adopting resilient material to make resilient frame 42, the shape of frame 42 is not limited to square, and the shape of corresponding framework 22 is also not limited to square.
Please again consult Fig. 3, Air Filter 44 is arranged on frame 42.Air Filter 44 is nonwoven fabrics Air Filter, sponge air filter or nylon Air Filter.
Preferably, Air Filter 44 is the space network of xsect indentation, and the area of this space network is relatively large, is conducive to improving dust-proof effect.
Be appreciated that in other embodiments, Air Filter 44 also can be layed in the plane reticular structure on frame 42 for level.
The Air Filter assembly 40 of above-mentioned dust guard 100 is contained in the host cavity 26 of fixture 20, and to be abutted with the elasticity of fixture 20 by frame 42 and realize Air Filter assembly 40 and be fixed on fixture 20, the fixed form that this elasticity abuts is lower to making accuracy requirement, easy for installation, and make between the frame 42 of Air Filter assembly 40 and the framework 22 of fixture 20 very close to each other, dust-proof effect is better.
And, the requirement that dust guard 100 pairs of precision of structure are eliminated in above-mentioned gap is lower, and the size when making lower than standard size, can prevent the problem cannot installed because precision is lower and then scrap, reduce the fraction defective of product, also reduce cost of manufacture simultaneously.
Further, a kind of projector is also provided.Projector comprises casing and above-mentioned dust guard 100.Casing offers air intake vent, and the fixture 20 of dust guard 100 is installed on the air intake vent place of casing and dust guard 100 is mounted in projector.
Very close to each other between frame 42 and framework 22 in above-mentioned dust guard 100, prevent the air with dust from entering projector, make the dust-proof effect of this projector better.
And, when common dust guard exist comparatively wide arc gap time, when overturning or vibrate the device using dust guard, Air Filter, in device internal vibration, can produce noise, and gap can be eliminated by elastic deformation by above-mentioned dust guard 100 completely, even if there are upset or vibration in projector, Air Filter 44 can not vibrate completely, and can not produce any noise, drop shadow effect is better.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. a dust guard, it is characterized in that, comprise fixture and be arranged at the Air Filter assembly on described fixture, described fixture comprises framework and is arranged at the grid on described framework, described framework and described grid form host cavity, and described Air Filter assembly comprises frame and is arranged at the Air Filter on described frame, and described frame is elastic peripheral frame, described Air Filter assembly is contained in described host cavity, and described frame abuts with described frame elastic.
2. dust guard according to claim 1, it is characterized in that, described frame is square frame, described square frame comprises four stripe board facing each other, each described stripe board is folded to form a fixed part and an invayination, four fixed parts of described four stripe board are connected to form square border structure, and described invayination is positioned at the outside of described square border structure and abuts with described frame elastic.
3. dust guard according to claim 2, is characterized in that, the width of described fixed part is equal with the width of described invayination.
4. dust guard according to claim 2, it is characterized in that, the middle part of each described stripe board offers the bar-shaped trough being extended to the other end along described stripe board length direction by one end, and each described stripe board forms a fixed part and an invayination along described bar-shaped trough doubling.
5. dust guard according to claim 4, is characterized in that, each described stripe board offers multiple spaced through hole, and described multiple through hole is positioned on described bar-shaped trough and along the length direction of described bar-shaped trough and distributes.
6. dust guard according to claim 1, is characterized in that, described Air Filter is nonwoven fabrics Air Filter, sponge air filter or nylon Air Filter.
7. dust guard according to claim 1, is characterized in that, described Air Filter is the space network of xsect indentation.
8. a projector, comprises casing, it is characterized in that, also comprises the dust guard as described in any one of claim 1 ~ 7, and described casing offers air intake vent, and described dust guard is installed on described air intake vent place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311897.XU CN204694974U (en) | 2015-05-14 | 2015-05-14 | Dust guard and use the projector of this dust guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311897.XU CN204694974U (en) | 2015-05-14 | 2015-05-14 | Dust guard and use the projector of this dust guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204694974U true CN204694974U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520311897.XU Active CN204694974U (en) | 2015-05-14 | 2015-05-14 | Dust guard and use the projector of this dust guard |
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| CN (1) | CN204694974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135967A1 (en) * | 2019-12-31 | 2021-07-08 | 深圳光峰科技股份有限公司 | Projection device |
-
2015
- 2015-05-14 CN CN201520311897.XU patent/CN204694974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135967A1 (en) * | 2019-12-31 | 2021-07-08 | 深圳光峰科技股份有限公司 | Projection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000, Guangdong, Longhua province Shenzhen New District big wave office, with Sheng community, Baiyun Mountain village, King Wang plant No. 3, building 1 North, 1 South District Patentee after: Yifeng display technology (Shenzhen) Co., Ltd. Address before: 518000, Guangdong, Longhua Province, Shenzhen New District, big wave street, Sheng community, Baiyun Mountain village, King plant 1, building 1, South District, 1 floor mezzanine, 2 floor, 3 north zone Patentee before: Toshin Technology (Shenzhen) Co. Ltd. |