CN210323731U - Quick assembly disassembly laser projector dustproof construction - Google Patents
Quick assembly disassembly laser projector dustproof construction Download PDFInfo
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- CN210323731U CN210323731U CN201921258127.8U CN201921258127U CN210323731U CN 210323731 U CN210323731 U CN 210323731U CN 201921258127 U CN201921258127 U CN 201921258127U CN 210323731 U CN210323731 U CN 210323731U
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- dustproof
- dustproof net
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- dust screen
- rack
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- 238000010276 construction Methods 0.000 title claims abstract description 4
- 239000000428 dust Substances 0.000 claims abstract description 72
- 239000004677 Nylon Substances 0.000 claims abstract description 10
- 229920001778 nylon Polymers 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a quick assembly disassembly laser projector dustproof construction, including machine housing, dustproof mesh groove enclosing cover, dustproof net rack, dustproof net, dustproof mesh groove inner cup and dustproof net pull apron, the dustproof net is fixed on the dustproof net rack, guide way A on the dustproof mesh groove enclosing cover and guide way B of dustproof mesh groove inner cup are combined face to form a complete pull guide way; the outer cover of the dustproof mesh groove and the inner cover of the dustproof mesh groove are fixed on the machine shell together by the fixing screws; the left end of the dustproof net rack is fixedly connected with the dustproof net drawing cover plate through a buckle type nylon rivet, the dustproof net rack is arranged in the drawing guide groove, and the drawing dustproof net drawing cover plate drives the dustproof net rack and the dustproof net to move left and right together in the drawing guide groove; the technical problem that the dust screen is inconvenient to replace is effectively solved, the maintenance process is not required to be assisted by an assembling tool, and replacement is rapid and convenient.
Description
Technical Field
The invention relates to the field of laser projector dust prevention, in particular to a dust prevention structure of a laser projector capable of being quickly disassembled and assembled.
Background
Compared with the traditional high-pressure mercury lamp projector and LED projector, the laser projector has the outstanding advantages of better brightness, longer service life, rich colors, small structure and the like, so that the laser projector is widely favored by the market; however, the laser light source has high heat productivity, heat dissipation needs to be performed through the air cooling system, the air flow of the air cooling system is high, and the air speed is high; meanwhile, a laser light source, a lens and an optical machine part in the laser projection system are sensitive to dust particles, once dust enters the optical system, the service life of the projector and the display effect are greatly reduced, and the dust-proof structure design of the air cooling system is highly required.
The dust-proof structure of the existing laser projector generally has the problem that the dust screen is inconvenient to replace, the dismounting operation can be carried out by means of tools, however, the dust accumulation on the dust screen is too much, the inside of the air cooling system is prevented from entering more dust, the ventilation and heat dissipation effects of the system are ensured, and the dust screen is frequently cleaned or replaced as necessary.
Therefore, it is necessary to design a dust-proof structure of a laser projector to solve the problem of inconvenient replacement of a dust screen, and to ensure dust-proof effectiveness and maintenance convenience.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a rapid dismounting and mounting laser projector dustproof structure.
To solve the technical problems, the technical scheme of the invention is as follows: a quick-assembly and disassembly laser projector dustproof structure comprises a machine shell, a dustproof mesh groove outer cover, a dustproof mesh frame, a dustproof mesh groove inner cover and a dustproof mesh drawing cover plate, wherein a plurality of ventilation holes are formed in the machine shell, the dustproof mesh is fixed on the dustproof mesh frame, a guide groove A is formed in one surface, facing the dustproof mesh, of the dustproof mesh groove outer cover, a guide groove B is correspondingly formed in one surface, facing the dustproof mesh, of the dustproof mesh groove inner cover, and the guide groove A and the guide groove B are combined face to form a complete drawing guide groove; the outer cover of the dustproof mesh groove is provided with a plurality of fixing through holes A, and correspondingly, the inner cover of the dustproof mesh groove is provided with a plurality of fixing through holes B; the fixing screws sequentially penetrate through the fixing through holes A on the outer cover of the dustproof mesh groove and the fixing through holes B on the inner cover of the dustproof mesh groove, and the outer cover of the dustproof mesh groove and the inner cover of the dustproof mesh groove are fixed on the machine shell together; the pull guide way is arranged in to dustproof rack, and the pull guide way is spacing about spacing and around carrying on dustproof rack, and the left end of dustproof rack passes through buckle formula nylon rivet fixed connection with the dust screen pull apron, and pull dust screen pull apron drives dustproof rack and dust screen together and removes about in the pull guide way.
Further, face above the dustproof mesh groove enclosing cover be equipped with a plurality of locating hole A and a plurality of reference column B in the one side of dustproof mesh, be equipped with a plurality of reference column A and a plurality of locating hole B in the one side of facing the dustproof mesh above the dustproof mesh groove enclosing cover, locating hole A and reference column A quantity equal and one-to-one clearance fit, reference column B equals and one-to-one clearance fit with locating hole B quantity, the convenient assembly operation.
Further, the top and the bottom that the guide way A of dust screen groove enclosing cover is close to the one end of dust screen pull apron are equipped with about direction inclined plane A and side direction inclined plane A respectively, the top and the bottom that the guide way B of dust screen groove inner cup is close to the one end of dust screen pull apron are equipped with about direction inclined plane B and side direction inclined plane B respectively, and guide inclined plane A, side direction inclined plane A, guide inclined plane B and side direction inclined plane B make from top to bottom the entry of pull guide way is the horn mouth form, and is convenient the dustproof rack is changed.
Further, the right-hand member of dustproof net rack is equipped with 1 or a plurality of reference column, the right-hand member face inboard of dustproof net groove enclosing cover is equipped with 1 or a plurality of location half a hole A, correspondingly, the right-hand member face inboard of dustproof net groove inner cup is equipped with 1 or a plurality of location half a hole B, and reference column, location half a hole A and location half a hole B quantity equal phase, location half a hole A and location half a hole B combination form a complete locating hole that targets in place, reference column and locating hole clearance fit that targets in place prevent that the wind pressure is too big and lead to dustproof net rack vibrations from the front and back, cause the noise.
Furthermore, the fixed mode of the junction of dust screen and dust screen frame is fusion welding, and the wholeness is better.
The invention can achieve the following beneficial effects:
1) the dustproof net rack and the dustproof net drawing cover plate are fixedly connected through the buckle type nylon rivet, and the assembly and disassembly do not need an assembly tool, so that the assembly and disassembly can be carried out manually, and the replacement is quick and convenient;
2) the dustproof net and the dustproof net rack are fixedly connected in an integrated manner, and the whole body slides in a drawing guide groove formed by the outer dustproof net groove cover and the inner dustproof net groove cover, so that the dustproof net and the dustproof net rack can be integrated to be used as a standard exchange piece, and the maintenance and the repair are convenient;
3) when the ventilation and heat dissipation effect of the dust screen is not good, the dust screen frame and the dust screen pulling cover plate can be integrally taken out, or the dust screen can be cleaned, or the dust screen and the dust screen frame can be replaced integrally, so that the technical problem that the dust screen is inconvenient to replace is effectively solved, and the heat dissipation effect of the air cooling system is influenced due to the fact that too much dust is accumulated on the dust screen.
Drawings
FIG. 1 is a perspective view of the structure of an embodiment of the present invention;
FIG. 2 is a perspective view of the structure of an embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is a front view of an embodiment of the present invention;
FIG. 5 is a perspective view of an outer cover of a dust screen slot in accordance with an embodiment of the present invention;
FIG. 6 is a perspective view of an inner cover of a dust screen slot according to an embodiment of the present invention;
FIG. 7 is an enlarged partial view II of FIG. 5;
FIG. 8 is an enlarged fragmentary view III of FIG. 6;
FIG. 9 is a front view of an embodiment of the present invention with the outer dust screen groove cover secured to the inner dust screen groove cover;
FIG. 10 is a cross-sectional view A-A of FIG. 9;
FIG. 11 is a cross-sectional view B-B of FIG. 9;
FIG. 12 is a cross-sectional view C-C of FIG. 9;
FIG. 13 is an enlarged fragmentary view I of FIG. 10;
FIG. 14 is a front view of a dust screen frame of an embodiment of the present invention;
fig. 15 is a structural view of a dust screen drawing cover plate according to the embodiment of the present invention;
in the figure: 1-machine housing, 2-dust screen groove outer cover, 201-locating hole a, 202-locating column B, 203-guiding groove a, 204-fixing through hole a, 205-upper and lower guiding inclined plane a, 206-side guiding inclined plane a, 207-locating half hole a, 3-dust screen frame, 301-connecting through hole B, 302-locating column, 4-dust screen, 5-dust screen groove inner cover, 501-locating column a, 502-locating hole B, 503-guiding groove B, 504-fixing through hole B, 505-upper and lower guiding inclined plane B, 506-side guiding inclined plane B, 507-locating half hole B, 6-fixing screw, 7-snap-in nylon rivet, 8-dust screen drawing cover plate, 801-connecting through hole a.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
A quick-assembly-disassembly laser projector dustproof structure comprises a machine shell 1, a dustproof net groove outer cover 2, a dustproof net rack 3, a dustproof net 4, a dustproof net groove inner cover 5 and a dustproof net drawing cover plate 8;
the machine shell 1 is provided with a plurality of ventilation holes for communicating an air duct of the air cooling system with the outside atmosphere;
the dustproof net 4 is fixed on the dustproof net rack 3 through fusion welding, and the integrity is good;
the side, facing the dustproof net 4, of the outer dustproof net groove cover 2 is provided with a guide groove A203, correspondingly, the side, facing the dustproof net 4, of the inner dustproof net groove cover 5 is provided with a guide groove B503, and the guide groove A203 and the guide groove B503 are combined face to form a complete drawing guide groove;
a plurality of fixing through holes A204 are formed in the outer cover 2 of the dustproof mesh groove, and correspondingly, a plurality of fixing through holes B504 are formed in the inner cover 5 of the dustproof mesh groove; the fixing screw 6 sequentially passes through a fixing through hole A204 on the outer cover 2 of the dustproof mesh groove and a fixing through hole B504 on the inner cover 5 of the dustproof mesh groove, and the outer cover 2 of the dustproof mesh groove and the inner cover 5 of the dustproof mesh groove are fixed on the machine shell 1 together;
the dustproof net rack 3 is arranged in the drawing guide groove, the drawing guide groove is used for limiting the dustproof net rack 3 up and down and limiting the dustproof net rack 3 forwards and backwards, the left end of the dustproof net rack 3 is fixedly connected with a dustproof net drawing cover plate 8 through a buckle type nylon rivet 7, the left end of the dustproof net rack 3 is provided with a connecting through hole B301, the right end of the dustproof net drawing cover plate 8 is provided with a connecting through hole A801, the buckle type nylon rivet 7 sequentially penetrates through the connecting through hole A801 and the connecting through hole B301, the dustproof net rack 3 and the dustproof net drawing cover plate 8 are fixedly connected together, an assembling tool is not needed, the replacement is convenient, and the dustproof net rack 3 and the dustproof net 4 are driven by the drawing dustproof net drawing;
a plurality of positioning holes A201 and a plurality of positioning columns B202 are formed in one surface, facing the dust screen 4, of the outer dust screen groove cover 2, a plurality of positioning columns A501 and a plurality of positioning holes B502 are formed in one surface, facing the dust screen 4, of the inner dust screen groove cover 5, the positioning holes A201 and the positioning columns A501 are equal in number and are in one-to-one corresponding clearance fit, and the positioning columns B202 and the positioning holes B502 are equal in number and are in one-to-one corresponding clearance fit, so that assembly operation is facilitated;
the top and the bottom of one end of the guide groove A203 of the dustproof net groove outer cover 2 close to the dustproof net drawing cover plate 8 are respectively provided with an upper guide inclined plane A205 and a lower guide inclined plane A206, the top and the bottom of one end of the guide groove B503 of the dustproof net groove inner cover 5 close to the dustproof net drawing cover plate 8 are respectively provided with an upper guide inclined plane B505 and a lower guide inclined plane B506, and the upper guide inclined plane A205, the lower guide inclined plane A206, the upper guide inclined plane B505 and the lower guide inclined plane B506 enable the inlet of the drawing guide groove to be in a horn mouth shape, so that the dustproof net rack 3 is convenient to replace;
dustproof net rack 3's right-hand member is equipped with 4 reference columns 302, 4 reference columns 302 top-down are listed as the array and are arranged one by one, the right-hand member face inboard of dustproof net groove enclosing cover 2 is equipped with 4 half hole A207 of location, correspondingly, the right-hand member face inboard of dustproof net groove inner cup 5 is equipped with 4 half hole B507 of location, half hole A207 of location and the half hole B507 combination of location form a complete locating hole that targets in place, reference column 302 with the locating hole clearance fit that targets in place, prevent that the wind pressure is too big and lead to dustproof net rack 3 vibrations from beginning to end, cause the noise.
Use of this example:
1) when the ventilation and heat dissipation effects of the dustproof net 4 are not good, the dustproof net 4, the dustproof net rack 3 and the dustproof net drawing cover plate 8 can be integrally drawn out, or the dustproof net can be cleaned, or an integral piece of the dustproof net and the dustproof net rack can be replaced;
2) if the self quality of the dustproof net 4 is better, the dustproof net can be continuously used only by cleaning dust and sundries on the dustproof net 4, and after the cleaning work is finished, the dustproof net 4, the dustproof net rack 3 and the dustproof net drawing cover plate 8 are manually pushed into the installation position of the machine again;
3) if dust screen 4 has the damage or when making it no longer have the value of continuation using because of other reasons, then manual dismantlement buckle formula nylon rivet 7 falls, makes dust screen pull apron 8 and dustproof rack 3 separation, changes the integrative piece of changing of new dust screen 4 and dustproof rack 3 and passes through buckle formula nylon rivet 7 and be connected, again with the dust screen 4 that will change through the mounted position department in the dust screen pull apron 8 repulses the machine with dustproof rack 3.
The advantages of this embodiment:
1) the dustproof net rack 3 and the dustproof net drawing cover plate 8 are fixedly connected through the buckle type nylon rivet 7, and the assembly and disassembly do not need an assembly tool, so that the assembly and disassembly can be realized manually, and the replacement is quick and convenient;
2) the dustproof net 4 and the dustproof net rack 3 are fixedly connected in an integrated manner, and the whole body slides in a drawing guide groove formed by the dustproof net groove outer cover 2 and the dustproof net groove inner cover 5, so that the dustproof net 4 and the dustproof net rack 3 can be integrated to be used as a standard interchangeable part, and the maintenance is convenient;
3) when the ventilation and heat dissipation effect of the dust screen 4 is not good, the dust screen 4, the dust screen frame 3 and the dust screen drawing cover plate 8 can be integrally drawn out, or the dust screen 4 is cleaned, or the dust screen 4 and the dust screen frame 3 are integrally replaced, so that the technical problem that the dust screen 4 is inconvenient to replace is effectively solved, and the dust on the dust screen is prevented from being accumulated too much to influence the heat dissipation effect of the air cooling system.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a quick assembly disassembly laser projector dustproof construction, characterized by: the machine comprises a machine shell (1), a dustproof net groove outer cover (2), a dustproof net rack (3), a dustproof net (4), a dustproof net groove inner cover (5) and a dustproof net drawing cover plate (8), wherein a plurality of ventilation holes are formed in the machine shell (1), the dustproof net (4) is fixed on the dustproof net rack (3), a guide groove A (203) is formed in one surface, facing the dustproof net (4), of the dustproof net groove outer cover (2), correspondingly, a guide groove B (503) is formed in one surface, facing the dustproof net (4), of the dustproof net groove inner cover (5), and the guide groove A (203) and the guide groove B (503) are combined face to form a complete drawing guide groove; a plurality of fixing through holes A (204) are arranged on the outer cover (2) of the dustproof mesh groove, and correspondingly, a plurality of fixing through holes B (504) are arranged on the inner cover (5) of the dustproof mesh groove; the fixing screw (6) sequentially penetrates through a fixing through hole A (204) on the dustproof mesh groove outer cover (2) and a fixing through hole B (504) on the dustproof mesh groove inner cover (5), and the dustproof mesh groove outer cover (2) and the dustproof mesh groove inner cover (5) are fixed on the machine shell (1) together; during pull guide way was arranged in to dustproof rack (3), the pull guide way was spacing about going on dustproof rack (3) spacing with spacing, and the left end of dustproof rack (3) passes through buckle formula nylon rivet (7) fixed connection with dust screen pull apron (8), and pull dust screen pull apron (8) drive dustproof rack (3) and dust screen (4) together and control in the pull guide way.
2. The quick-release laser projector dustproof structure as set forth in claim 1, wherein: face above the dust screen groove enclosing cover (2) be equipped with a plurality of locating hole A (201) and a plurality of reference column B (202) in the one side of dust screen (4), be equipped with a plurality of reference column A (501) and a plurality of locating hole B (502) in the one side of dust screen (4) above the dust screen groove inner cup (5), locating hole A (201) and reference column A (501) quantity equal and one-to-one clearance fit, reference column B (202) and locating hole B (502) quantity equal and one-to-one clearance fit, the convenient assembly operation.
3. The quick-release laser projector dustproof structure as set forth in claim 1, wherein: guide way A (203) of dust screen groove enclosing cover (2) is close to the top and the bottom of the one end of dust screen pull apron (8) and is equipped with upper and lower direction inclined plane A (205) and side guide inclined plane A (206) respectively, the guide way B (503) of dust screen groove inner cup (5) are close to the top and the bottom of the one end of dust screen pull apron (8) and are equipped with upper and lower direction inclined plane B (505) and side guide inclined plane B (506) respectively, and upper and lower direction inclined plane A (205), side guide inclined plane A (206), upper and lower direction inclined plane B (505) and side guide inclined plane B (506) make the entry of pull guide way is the horn mouth form, and is convenient dust screen frame (3) is changed.
4. The quick-release laser projector dustproof structure as set forth in claim 1, wherein: the right-hand member of dustproof net rack (3) is equipped with 1 or a plurality of reference column (302), the right-hand member face inboard of dustproof net groove enclosing cover (2) is equipped with 1 or a plurality of location half-hole A (207), correspondingly, the right-hand member face inboard of dustproof net groove inner cup (5) is equipped with 1 or a plurality of location half-hole B (507), reference column (302), location half-hole A (207) and location half-hole B (507) quantity homogeneous phase equal, location half-hole A (207) and location half-hole B (507) combination form a complete locating hole that targets in place, reference column (302) with the locating hole clearance fit that targets in place, prevent that the wind pressure is too big and lead to dustproof net rack (3) vibrations from beginning to end, cause the noise.
5. The quick-release laser projector dustproof structure as set forth in claim 1, wherein: the connection part of the dustproof net (4) and the dustproof net rack (3) is fixed by fusion welding, so that the integration is good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258127.8U CN210323731U (en) | 2019-08-06 | 2019-08-06 | Quick assembly disassembly laser projector dustproof construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258127.8U CN210323731U (en) | 2019-08-06 | 2019-08-06 | Quick assembly disassembly laser projector dustproof construction |
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| Publication Number | Publication Date |
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| CN210323731U true CN210323731U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921258127.8U Active CN210323731U (en) | 2019-08-06 | 2019-08-06 | Quick assembly disassembly laser projector dustproof construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179767A1 (en) * | 2020-03-11 | 2021-09-16 | 深圳光峰科技股份有限公司 | Dust prevention device and projection apparatus |
-
2019
- 2019-08-06 CN CN201921258127.8U patent/CN210323731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179767A1 (en) * | 2020-03-11 | 2021-09-16 | 深圳光峰科技股份有限公司 | Dust prevention device and projection apparatus |
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