CN212557577U

CN212557577U - Protective cover for image projector

Info

Publication number: CN212557577U
Application number: CN202021042059.4U
Authority: CN
Inventors: 戴继龙
Original assignee: Shenzhen Sunnypro Technology Co ltd
Current assignee: Shenzhen Sunnypro Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-19
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a protection casing for image projector, which comprises a housin, the front surface of casing is provided with the glass lens, the inside rear that is located the glass lens of casing is provided with projection lens, the upper surface of casing is provided with control panel, projection lens's fixed surface installs the shock attenuation sleeve, shock attenuation sleeve's fixed surface installs the hinge, the fixed surface of hinge installs the protective cover, a side surface of casing is provided with the heat dissipation region. A protection casing for image projector, the shaking force that can follow multidirectional buffering image projector casing reduces vibrations to projecting lens's influence, improves the projected quality of image, can also cover glass lens and projecting lens after the image projector uses up, prevents to place the in-process and advances grey, intake and the problem that hard thing inserted and cause the loss, has prolonged image projector's life.

Description

Protective cover for image projector

Technical Field

The utility model relates to a protection casing field, in particular to protection casing for image projector.

Background

An image projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals; at present, when an image projector is used, a shell of the image projector is impacted to vibrate a projection lens, so that internal elements of the projection lens are damaged, the projection quality of an image is influenced, and when the image projector is placed, the glass lens and the projection lens of the conventional image projector are not protected, so that the problems of dust entering, water entering and hard object insertion damage are caused.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a protective cover for an image projector, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a protection casing for image projector, includes the casing, the front surface of casing is provided with the glass lens, the inside rear that is located the glass lens of casing is provided with projection lens, the upper surface of casing is provided with control panel, projection lens's fixed surface installs the shock attenuation sleeve, shock attenuation sleeve's fixed surface installs the hinge, the fixed surface of hinge installs the protective cover, a side surface of casing is provided with the heat dissipation region.

Preferably, the front surface of the shell is provided with a clamping hole, and the lower surface of the shell is provided with supporting legs at four corners.

Preferably, a power switch is arranged on the surface of the control panel, an adjusting key is arranged on one side, located on the power switch, of the surface of the control panel, and a function key is arranged on one side, located on the adjusting key, of the surface of the control panel.

Preferably, the last inner wall fixed mounting of shock attenuation sleeve has the elasticity buckle, projection lens's last fixed surface installs the fixed strip, shock attenuation sleeve's side movable mounting has the side direction arc piece, the inner wall fixed mounting of casing has damping spring.

Preferably, a side edge of protective cover fixed mounting has the card post, the inboard fixed surface of protective cover installs the elasticity ring, the inner wall fixed mounting of elasticity ring has the string bag, the upper end of string bag is provided with the string bag port, the inside packing of string bag has the protection cotton, the protective cover passes through hinge and shock attenuation sleeve swing joint, the protective cover passes through the front fixed surface of card post embedding card hole and casing.

Preferably, damping spring's the other end and the outside fixed surface of side direction arc piece are connected, the laminating of the inside surface and the shock attenuation sleeve of side direction arc piece, the fixed strip is gone into to the elasticity buckle card and projection lens fixed connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the shock attenuation sleeve that sets up, the shock attenuation sleeve can reduce vibrations to projection lens's influence from multidirectional buffering image projector casing, improves the projected quality of image, and through the protective cover that sets up, the protective cover can cover glass lens and projection lens after the image projector uses up, prevents to place the problem that the in-process advances grey, intake and hard thing insert the damage, has prolonged image projector's life.

Drawings

Fig. 1 is a front view of a protective cover for an image projector according to the present invention;

fig. 2 is a schematic view of a protective case of a protective cover for an image projector according to the present invention;

fig. 3 is a schematic view illustrating a structure of a side arc sheet of a protective cover for an image projector according to the present invention;

fig. 4 is a top view of the protection cover for an image projector according to the present invention.

In the figure: 1. a housing; 101. a clamping hole; 102. supporting legs; 2. a glass lens; 3. a projection lens; 4. a control panel; 401. a power switch; 402. adjusting a key; 403. function keys; 5. a shock-absorbing sleeve; 501. elastic buckle; 502. a fixing strip; 503. a lateral arc piece; 504. a damping spring; 6. a protective cover; 601. clamping the column; 602. an elastic ring; 603. a net bag; 604. a net bag port; 605. protective cotton; 7. a heat dissipation area; 8. and (7) a hinge.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a protective cover for an image projector includes a housing 1, a glass lens 2 is disposed on a front surface of the housing 1, a projection lens 3 is disposed inside the housing 1 behind the glass lens 2, a control panel 4 is disposed on an upper surface of the housing 1, a shock-absorbing sleeve 5 is fixedly mounted on a surface of the projection lens 3, a hinge 8 is fixedly mounted on a surface of the shock-absorbing sleeve 5, a protective cover 6 is fixedly mounted on a surface of the hinge 8, and a heat dissipation area 7 is disposed on a side surface of the housing 1;

the front surface of the shell 1 is provided with a clamping hole 101, and the lower surface of the shell 1 is fixedly provided with supporting legs 102 at four corners; a power switch 401 is arranged on the surface of the control panel 4, an adjusting key 402 is arranged on one side of the surface of the control panel 4, which is positioned on the power switch 401, and a function key 403 is arranged on one side of the surface of the control panel 4, which is positioned on the adjusting key 402; an elastic buckle 501 is fixedly arranged on the upper inner wall of the damping sleeve 5, a fixing strip 502 is fixedly arranged on the upper surface of the projection lens 3, a lateral arc-shaped sheet 503 is movably arranged on the side surface of the damping sleeve 5, a damping spring 504 is fixedly arranged on the inner wall of the shell 1, and the damping sleeve 5 can buffer the vibration force of the image projector shell 1 from multiple directions, reduce the influence of vibration on the projection lens 3 and improve the image projection quality; a clamping column 601 is fixedly installed at one side edge of the protective cover 6, an elastic ring 602 is fixedly installed on the inner side surface of the protective cover 6, a net bag 603 is fixedly installed on the inner wall of the elastic ring 602, a net bag port 604 is formed in the upper end of the net bag 603, protective cotton 605 is filled in the net bag 603, the protective cover 6 is movably connected with the shock absorption sleeve 5 through a hinge 8, the protective cover 6 is embedded into the clamping hole 101 through the clamping column 601 and is fixed with the front surface of the shell 1, the protective cover 6 can cover the glass lens 2 and the projection lens 3 after the image projector is used up, the problems of dust inlet, water inlet and damage caused by insertion of hard objects in the placing process are prevented, and the service life of the image projector is prolonged; the other end of the shock-absorbing spring 504 is fixedly connected with the outer side surface of the lateral arc-shaped piece 503, the inner side surface of the lateral arc-shaped piece 503 is attached to the shock-absorbing sleeve 5, and the elastic buckle 501 is clamped into the fixing strip 502 to be fixedly connected with the projection lens 3.

It should be noted that, the present invention is a protective cover for an image projector, when the projector housing 1 is shocked, the two lateral arc-shaped pieces 503 support the damping sleeve 5 from both sides, and can laterally damp the vibration force of the image projector housing 1 by means of the damping springs 504, meanwhile, the two elastic buckles 501 further buffer the vibration force of the projector housing 1, reduce the influence of vibration on the projection lens 3, improve the quality of image projection, when the device is placed, the protective cover 6 is rotated through the hinge 8, so that the clamping column 601 is clamped in the clamping hole 101, the combination of the glass lens 2 and the projection lens 3 can be covered, the elastic ring 602 and the protective cotton 605 can prevent the problems of dust, water and hard object insertion damage, prolong the service life of the image projector, after using a period of time, can change the protection cotton 605 in the string bag 603, improve the effect of preventing into the ash and preventing into water.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A protective cover for an image projector, characterized in that: including casing (1), the front surface of casing (1) is provided with glass lens (2), the inside rear that is located glass lens (2) of casing (1) is provided with projection lens (3), the upper surface of casing (1) is provided with control panel (4), the fixed surface of projection lens (3) installs damping sleeve (5), the fixed surface of damping sleeve (5) installs hinge (8), the fixed surface of hinge (8) installs protective cover (6), a side surface of casing (1) is provided with heat dissipation area (7).

2. The shield for an image projector according to claim 1, wherein: the front surface of casing (1) has seted up card hole (101), the lower surface of casing (1) is located the equal fixed mounting in four corners position and has supporting legs (102).

3. The shield for an image projector according to claim 1, wherein: the surface of the control panel (4) is provided with a power switch (401), one side of the surface of the control panel (4), which is positioned on the power switch (401), is provided with an adjusting key (402), and one side of the surface of the control panel (4), which is positioned on the adjusting key (402), is provided with a function key (403).

4. The shield for an image projector according to claim 1, wherein: elastic buckles (501) are fixedly mounted on the upper inner wall of the damping sleeve (5), fixing strips (502) are fixedly mounted on the upper surface of the projection lens (3), lateral arc-shaped pieces (503) are movably mounted on the side face of the damping sleeve (5), and damping springs (504) are fixedly mounted on the inner wall of the shell (1).

5. The shield for an image projector according to claim 2, wherein: one side edge of protective cover (6) fixed mounting has card post (601), the inboard fixed surface of protective cover (6) is installed elasticity ring (602), the inner wall fixed mounting of elasticity ring (602) has string bag (603), the upper end of string bag (603) is provided with string bag port (604), the inside packing of string bag (603) has protection cotton (605), protective cover (6) are through hinge (8) and damping sleeve (5) swing joint, protective cover (6) are through the preceding fixed surface of card post (601) embedding card hole (101) and casing (1).

6. The shield for an image projector according to claim 4, wherein: the other end of damping spring (504) and the outside surface fixed connection of side direction arc piece (503), the laminating of the inboard surface and shock attenuation sleeve (5) of side direction arc piece (503), fixed strip (502) and projection lens (3) fixed connection are gone into to elasticity buckle (501) card.