CN210605328U

CN210605328U - Projector dust-proof device

Info

Publication number: CN210605328U
Application number: CN201922075813.8U
Authority: CN
Inventors: 徐忠华; 祝斌; 刘洋
Original assignee: Weiliang Shenzhen Technology Co Ltd
Current assignee: Weiliang Shenzhen Technology Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-05-22
Anticipated expiration: 2029-11-25

Abstract

The utility model provides a projector dust keeper, including first magnet piece, the protective cover, put the thing chamber, the bearing frame, the dwang, the second magnet piece, dustproof cloth and wind-up roll, the terminal surface left and right sides before the protective housing is installed to first magnet piece symmetry, it sets up at the inside rear side of protective housing to put the thing chamber, it installs the wind-up roll to put thing intracavity mid position, wind-up roll annular side is convoluteed there is dustproof cloth, the second magnet piece is installed to the dustproof cloth front side, the dwang is installed to the terminal surface symmetry about the wind-up roll, it installs the bearing frame to put thing intracavity wall left and right sides symmetry, it installs the protective cover to put thing chamber upside, this design has solved the relatively poor problem of original projector dust resistance, the utility model discloses rational in infrastructure, avoid the projector.

Description

Projector dust-proof device

Technical Field

The utility model relates to a projector dust keeper belongs to projector technical field.

Background

A projector, also called a projector, is an optical instrument that magnifies the contour of a workpiece by using an optical element and projects it onto a screen, and can measure the contour by using transmitted light or reflected light, and can measure the surface shape of a non-through hole and observe the surface of the workpiece. Projectors are widely used in homes, offices, schools and entertainment places at present, and have different types such as CRT, LCD and DLP according to different working modes.

The dustproof performance of the existing projector is poor, the projector is usually hung to an indoor high place to be used, more dust can be accumulated on the surface of the projector after the projector is used for a long time, the projector lens is easily covered with dust, the projection is blurred, the use is influenced, and the problem of the appearance is solved by the dustproof device of the projector urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projector dust keeper to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure avoids the projector to receive the dust influence, and is dustproof effectual.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a projector dustproof device comprises a protective shell, a projector main body, a projector lens and a dustproof assembly, wherein the protective shell is installed on the outer side of the projector main body, the projector lens is installed on the front end face of the projector main body, the dustproof assembly is arranged on the rear side inside the protective shell, the dustproof assembly comprises a first magnet piece, a protective cover, an object placing cavity, a bearing seat, a rotating rod, a second magnet piece, dustproof cloth and a winding roller, the first magnet piece is symmetrically installed on the left side and the right side of the front end face of the protective shell, the object placing cavity is arranged on the rear side inside the protective shell, the winding roller is installed at the middle position in the middle of the inner part of the object placing cavity, the dustproof cloth is wound on the annular side face of the winding roller, the second magnet piece is installed on the front side of the dustproof cloth, the rotating rod is, the upper side of the object placing cavity is provided with a protective cover.

Furthermore, a high-definition toughened film is pasted on the front end face of the projector lens.

Further, the protective cover rear end face is installed and is connected the hinge, the protective cover is connected with protective housing up end rear side rotation through connecting the hinge.

Further, the left and right width of the dustproof cloth is larger than the width of the projector main body.

Further, the first magnet piece and the second magnet piece attract each other.

Further, the dwang is equipped with two sets ofly, and two sets of dwang specifications are the same, first magnet piece is equipped with two sets ofly, and two sets of first magnet piece specifications are the same.

The utility model has the advantages that: the utility model discloses a projector dust keeper, because of the utility model discloses added first magnet piece, protective cover, put thing chamber, bearing frame, dwang, second magnet piece, dustproof cloth and wind-up roll, this design has improved the dustproof performance of projector, avoids a large amount of dusts to adhere to on the projector, has solved the relatively poor problem of original projector dustproof performance, has improved the utility model discloses a dustproof effect.

Because of the terminal surface pastes before the projector camera lens has high definition tempering membrane, avoids scraping of projector camera lens flower, installs the connection hinge because of the protective cover rear end face, and the protective cover rotates with the protective housing up end rear side through connecting the hinge to be connected, makes things convenient for the rotation of protective cover to use, because of dustproof cloth left and right sides width is greater than projector main part width, makes things convenient for dustproof cloth to cover the projector main part completely, inhales mutually because of first magnet piece and second magnet piece, makes things convenient for dustproof cloth's fixed, the utility model discloses rational in infrastructure, avoid the projector to receive the dust influence, dustproof effectual.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a dustproof device of a projector according to the present invention;

FIG. 2 is a schematic structural view of a dustproof assembly of the dustproof device of the projector according to the present invention;

FIG. 3 is a top sectional view of a dust-proof assembly of the dust-proof apparatus of the present invention;

in the figure: 1-protective shell, 2-projector body, 3-projector lens, 4-dustproof assembly, 41-first magnet piece, 42-protective cover, 43-storage cavity, 44-bearing seat, 45-rotating rod, 46-second magnet piece, 47-dustproof cloth and 48-winding roller.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a projector dust keeper, includes protective housing 1, projector main part 2, projector lens 3 and dustproof subassembly 4, and protective housing 1 is installed in the projector main part 2 outside, and projector lens 3 is installed to 2 preceding terminal surfaces of projector main part, and the inside rear side of protective housing 1 is provided with dustproof subassembly 4.

Dustproof assembly 4 includes first magnet piece 41, protective cover 42, put the thing chamber 43, bearing frame 44, dwang 45, second magnet piece 46, dustproof cloth 47 and wind-up roll 48, the first magnet piece 41 symmetry is installed in the preceding terminal surface left and right sides of protective housing 1, put thing chamber 43 and offer at the inside rear side of protective housing 1, put the inside intermediate position in thing chamber 43 and install wind-up roll 48, wind-up roll 48 annular side winding has dustproof cloth 47, second magnet piece 46 is installed to dustproof cloth 47 front side, dwang 45 is installed to wind-up roll 48 left and right sides terminal surface symmetry, put thing chamber 43 inner wall left and right sides symmetry and install bearing frame 44, put thing chamber 43 upside and install protective cover 42, the relatively poor problem of original projector dust resistance has been solved in this design.

The terminal surface pastes and has high definition tempering membrane before 3 projector lenses, avoid scraping of projector lenses 3 flower, protective cover 42 rear end face installs the connection hinge, protective cover 42 rotates with 1 up end rear side of protective housing through the connection hinge and is connected, make things convenient for protective cover 42 to rotate and use, dustproof cloth 47 left and right sides width is greater than projector main part 2 width, make things convenient for dustproof cloth 47 to cover projector main part 2 completely, first magnet piece 41 inhales with second magnet piece 46 mutually, make things convenient for dustproof cloth 47 fixed, dwang 45 is equipped with two sets ofly, and two sets of dwang 45 specifications are the same, first magnet piece 41 is equipped with two sets ofly, and 41 specifications of two sets of first magnet pieces are the same, increase the dustproof effect of projector.

As an embodiment of the present invention: when the projector main body 2 is used, in order to avoid dust pollution, the worker lifts the protective cover 42, the storage cavity 43 is opened, the rotating rod 45 is rotatably connected with the left side and the right side of the inner wall of the storage cavity 43 through the bearing seat 44, the winding roller 48 can rotate in the storage cavity 43, the dustproof cloth 47 wound on the winding roller 48 is conveniently pulled out of the storage cavity 43, the left width and the right width of the dustproof cloth 47 are larger than the width of the projector main body 2, the worker can completely cover the dustproof cloth 47 above the projector main body 2, the second magnet piece 46 is installed on the front side of the dustproof cloth 47, the first magnet piece 41 is symmetrically installed on the left side and the right side of the front end face of the protective shell 1, the first magnet piece 41 and the second magnet piece 46 are attracted, the dustproof cloth 47 is conveniently adsorbed and fixed through magnetism, and under the effect of the dustproof cloth 47, and the dustproof cloth can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a projector dust keeper, includes protective housing, projector main part, projector camera lens and dustproof subassembly, its characterized in that: the projector is characterized in that a protective shell is arranged on the outer side of the projector main body, a projector lens is arranged on the front end face of the projector main body, and a dustproof assembly is arranged on the rear side inside the protective shell;

dustproof subassembly includes first magnet piece, protective cover, puts thing chamber, bearing frame, dwang, second magnet piece, dustproof cloth and wind-up roll, the terminal surface left and right sides before the protective housing is installed to first magnet piece symmetry, it sets up at the inside rear side of protective housing to put the thing chamber, it installs the wind-up roll to put thing intracavity middle position, wind-up roll annular side is convoluteed there is dustproof cloth, the second magnet piece is installed to the dustproof cloth front side, the dwang is installed to wind-up roll left and right sides terminal surface symmetry, it installs the bearing frame to put thing intracavity wall left and right sides symmetry, it installs the protective cover to put thing chamber upside.

2. The dustproof device for a projector according to claim 1, wherein: and a high-definition toughened film is adhered to the front end face of the projector lens.

3. The dustproof device for a projector according to claim 1, wherein: the protective cover is connected with the rear side of the upper end face of the protective cover in a rotating mode through the connecting hinge.

4. The dustproof device for a projector according to claim 1, wherein: the left and right width of the dustproof cloth is larger than the width of the projector main body.

5. The dustproof device for a projector according to claim 1, wherein: the first magnet piece and the second magnet piece are attracted.

6. The dustproof device for a projector according to claim 1, wherein: the dwang is equipped with two sets ofly, and two sets of dwang specifications are the same, first magnet piece is equipped with two sets ofly, and two sets of first magnet piece specifications are the same.