CN210894970U

CN210894970U - LED projector

Info

Publication number: CN210894970U
Application number: CN201922335102.XU
Authority: CN
Inventors: 刘华
Original assignee: Guangzhou Yunsheng Intelligent Technology Co ltd
Current assignee: China Film Ruihang Chengdu Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-30
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a LED projector, which belongs to the technical field of projectors and comprises a projector main body, wherein a grab handle is fixed at the top of the projector main body, a projector lens is installed at one side of the outer surface of the projector main body, a chute and a first clamping groove are respectively arranged on the outer surface of the projector main body, the first clamping groove is communicated with the chute, and a clamping block is clamped inside the first clamping groove; when the projector is not needed to be used, a user moves the clamping block out of the first clamping groove, the clamping block is hung by the pull rope, the clamping block can be prevented from being lost, after the clamping block is moved out, the protective cover is not limited because the protective cover is not limited, the compression spring recovers elasticity and stretches, the telescopic rod extends, the sliding block moves in the sliding groove along the direction of the lens of the projector, and the sliding block moves to drive the protective cover to move, so that the protective cover covers the lens of the projector, the lens of the projector is protected, the lens of the projector is prevented from being scratched, and the projection effect of the lens of the projector is improved.

Description

LED projector

Technical Field

The utility model relates to a projector technical field specifically is a LED projector.

Background

The projector is also called a projector, is a device which can project 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; the projector is widely applied to families, offices, schools and entertainment places, and has different types such as CRT, LCD, DLP and the like according to different working modes; under the background that the policies required by the state and the income of people are continuously improved, the implementation of rural culture sharing engineering further promotes the rapid growth of the market of the Chinese projector.

The Chinese patent with the publication number of CN206209264U discloses a multifunctional projector convenient to use, which comprises a projector main body and a supporting mechanism, wherein a control key panel is arranged at the rear of the top of the projector main body, a cooling fan is arranged in front of the top of the projector main body, a power key and a ventilation hole are respectively arranged on the right side of the projector main body, a lens is arranged on the left side of the front end of the projector main body, a projector lens is arranged on the right side of the front end of the projector main body, and an infrared correction device is further arranged between the lens and the projector lens at the front end of the projector main body.

The utility model has the advantages of convenient use, multiple functions, good heat dissipation effect and convenient popularization; when the projector is not needed to be used, the lens of the projector in the projector is exposed outside, so that the lens of the projector is easily scratched, and the projection effect of the lens of the projector is further influenced; this projector is provided with the ventilation hole simultaneously to lead to having outside dust to enter into the inside of projector through the ventilation hole, in the time of the day, a large amount of dust can be piled up to the inside of projector, and can damage the inside electronic component of projector, and reduced the life of projector.

Disclosure of Invention

An object of the utility model is to provide a LED projector has solved the easy scratch of projector camera lens that has now among the above-mentioned background art and has a large amount of outside dusts and enter into the problem in the projector through the ventilation hole.

In order to achieve the above object, the utility model provides a following technical scheme: a light-emitting diode (LED) projector comprises a projector main body, wherein a grab handle is fixed at the top of the projector main body, a projector lens is installed on one side of the outer surface of the projector main body, a sliding groove and a first clamping groove are respectively formed in the outer surface of the projector main body, the first clamping groove is communicated with the sliding groove, a clamping block is clamped in the first clamping groove, a pull rope connected with the grab handle is fixed at one end of the clamping block, a compression spring and a telescopic rod are respectively fixed in the sliding groove, a sliding block is connected with one end of the compression spring and one end of the telescopic rod, a protective cover is fixed on the outer surface of the sliding block, a heat dissipation hole and two second clamping grooves are respectively formed in one side of the projector main body, clamping plates are respectively connected in the two second clamping grooves, a dust screen is fixed between the two clamping plates, and two fixing plates, the projector is characterized in that a spring is arranged inside the fixing plate, one end of the spring is connected with a limiting plate extending to the outside of the fixing plate, and a power switch is arranged on the other side of the projector main body.

Preferably, the clamping block is matched with the first clamping groove, and the clamping block is located on one side of the protective cover.

Preferably, the sliding block is located inside the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode.

Preferably, the diameter of the protective cover is larger than that of the projector lens, and rubber is adhered to the outer surface and the inner wall of the protective cover through strong glue.

Preferably, the limiting plate is in contact with the clamping plate, and the clamping plate is matched with the second clamping groove.

Preferably, the telescopic rod is located inside the compression spring.

Preferably, the dust screen is located inside the heat dissipation holes and is made of stainless steel materials.

Compared with the prior art, the beneficial effects of the utility model are that: the LED projector is provided with a sliding groove, a sliding block, a compression spring, a telescopic rod, a protective cover, a first clamping groove, a clamping block and a pull rope, when the projector is not needed to be used, a user moves the clamping block out of the first clamping groove, the pull rope suspends the clamping block, the clamping block can be prevented from being lost, after the clamping block is moved out, the protective cover is not limited, at the moment, the compression spring restores elasticity and stretches, the telescopic rod is extended, the sliding block moves in the sliding groove along the direction of a projector lens, the sliding block moves to drive the protective cover to move, so that the protective cover covers the projector lens to protect the lens, the lens of the projector is prevented from being scratched, the projection effect of the projector lens is improved, when the projector is needed to be used, the user can push the protective cover in the direction away from the projector lens, the sliding block reversely slides in the sliding groove, and the protective cover moves to one side, then, a user clamps the clamping block into the first clamping groove to limit the sliding block and the protective cover so as to prevent the protective cover from moving; still be provided with the dust screen simultaneously, the limiting plate, the second draw-in groove, the cardboard, a spring, because the dust screen is located the inside of louvre, can prevent that outside dust from passing through the louvre and getting into to the projector, avoid a large amount of dust to pile up and damage its inside electronic component in the projector, thereby the life of projector has been improved, and when the dust screen surface is with a large amount of dust, the user is through upwards promoting the limiting plate, the limiting plate removes with extrusion spring, the compression of spring atress, when the limiting plate no longer contacts with the cardboard, the user can pull the dust screen, make the dust screen follow the louvre and shift out, so that clear up the dust screen, avoid the dust screen surface to pile up a large amount of dust and influence the radiating effect.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front structural view of the projector main body of the present invention;

fig. 3 is a schematic side view of the projector main body according to the present invention;

FIG. 4 is a schematic view of a front cut-away partial structure of the fixing plate of the present invention;

fig. 5 is an enlarged schematic structural diagram of the utility model a.

In the figure: 1. a projector main body; 2. a handle; 3. a projector lens; 4. pulling a rope; 5. a telescopic rod; 6. a chute; 7. a compression spring; 8. a protective cover; 9. a clamping block; 10. a first card slot; 11. a slider; 12. a fixing plate; 13. a limiting plate; 14. heat dissipation holes; 15. a dust screen; 16. clamping a plate; 17. a second card slot; 18. a spring; 19. and a power switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: an LED projector comprises a projector main body 1, a grab handle 2, a projector lens 3, a pull rope 4, a telescopic rod 5, a sliding groove 6, a compression spring 7, a protective cover 8, a clamping block 9, a first clamping groove 10, a sliding block 11, a fixing plate 12, a limiting plate 13, a heat dissipation hole 14, a dust screen 15, a clamping plate 16, a second clamping groove 17, a spring 18 and a power switch 19, wherein the grab handle 2 is fixed at the top of the projector main body 1, the projector lens 3 is installed on one side of the outer surface of the projector main body 1, the sliding groove 6 and the first clamping groove 10 are respectively formed in the outer surface of the projector main body 1, the first clamping groove 10 is communicated with the sliding groove 6, the clamping block 9 is clamped in the first clamping groove 10, the pull rope 4 connected with the grab handle 2 is fixed at one end of the clamping block 9, the compression spring 7 and the telescopic rod 5 are respectively fixed in the sliding groove 6, the external fixed surface of slider 11 has protection casing 8, louvre 14 and two second draw-in grooves 17 have been seted up respectively to one side of projector main part 1, the inside of two second draw-in grooves 17 all is connected with cardboard 16, be fixed with dust screen 15 between two cardboard 16, one side top of projector main part 1 is fixed with two fixed plates 12, the internally mounted of fixed plate 12 has spring 18, the one end of spring 18 is connected with and extends to the outside limiting plate 13 of fixed plate 12, switch 19 is installed to the opposite side of projector main part 1, the person of facilitating the use passes through switch 19 and starts the projector.

Referring to fig. 1-2, the fixture block 9 is adapted to the first slot 10, and the fixture block 9 is located at one side of the protective cover 8, so that the fixture block 9 is clamped into the first slot 10, and the protective cover is conveniently limited; the slider 11 is located the inside of spout 6, and

slider

11 and 6 sliding connection of spout to make slider 11 slide in spout 6, can drive the protection casing 8 and remove when making slider 11 remove.

Referring to fig. 1-5, the diameter of the protective cover 8 is larger than the diameter of the projector lens 3, and rubber is adhered to the outer surface and the inner wall of the protective cover 8 by strong glue, so that the protective cover 8 can cover the projector lens 3 to protect the projector lens 3; the limiting plate 13 is in contact with the clamping plate 16, the clamping plate 16 is matched with the second clamping groove 17, the limiting plate 13 can clamp the clamping plate 16, and the clamping plate 16 is prevented from being moved out of the second clamping groove 17.

Referring to fig. 1, 2, 3 and 5, the telescopic rod 5 is located inside the compression spring 7, so as to improve the service life of the compression spring 7; the dust screen 15 is located inside the heat dissipation holes 14, and the dust screen 15 is made of stainless steel materials, so that external dust can be prevented from entering the projector main body 1 through the heat dissipation holes 14, and the service life of the projector main body is prolonged.

The working principle is as follows: firstly, when a user needs to use the projector, the user can push the protective cover 8 in the direction away from the lens 3 of the projector, the slider 11 slides in the sliding groove 6, and the protective cover 8 moves to one side of the first clamping groove 10, then the user clamps the clamping block 9 into the first clamping groove 10 to limit the slider 11 and the protective cover 8, so as to prevent the protective cover 8 from moving, then the user starts the projector through the power switch 19, a large amount of heat generated by the operation of the projector can be dissipated through the heat dissipation holes 14, and because the dust screen 15 is positioned inside the heat dissipation holes 14, the external dust can be prevented from entering the projector through the heat dissipation holes 14, when a large amount of dust is attached to the surface of the dust screen 15, the user can push the limiting plate 13 upwards, the limiting plate 13 moves to extrude the spring 18, the spring 18 is compressed under the force, when the limiting plate 13 is not in contact with the clamping plate 16 any more, the user, the dust screen 15 is moved out of the heat dissipation holes 14, so that the dust screen 15 can be cleaned; when the projector is not needed, a user can move the clamping block 9 out of the first clamping groove 10, the clamping block 9 is hung by the pull rope 4, the clamping block 9 can be prevented from being lost, after the clamping block 9 is moved out, the protective cover 8 is not limited, the compression spring 7 recovers elasticity and stretches, the telescopic rod 5 extends, the sliding block 11 moves in the sliding groove 6 along the direction of the projector lens 3, the sliding block 11 moves to drive the protective cover 8 to move, the protective cover 8 covers the projector lens 3, the projector lens 3 is protected, and the projector lens 3 is prevented from being scratched.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED projector, comprising a projector main body (1), characterized in that: a grab handle (2) is fixed at the top of the projector main body (1), a projector lens (3) is installed on one side of the outer surface of the projector main body (1), a sliding groove (6) and a first clamping groove (10) are respectively formed in the outer surface of the projector main body (1), the first clamping groove (10) is communicated with the sliding groove (6), a clamping block (9) is clamped in the first clamping groove (10), a pull rope (4) connected with the grab handle (2) is fixed at one end of the clamping block (9), a compression spring (7) and a telescopic rod (5) are respectively fixed in the sliding groove (6), a sliding block (11) is connected with one ends of the compression spring (7) and the telescopic rod (5), a protective cover (8) is fixed on the outer surface of the sliding block (11), a heat dissipation hole (14) and two second clamping grooves (17) are respectively formed in one side of the projector main body (1), two the inside of second draw-in groove (17) all is connected with cardboard (16), two be fixed with dust screen (15) between cardboard (16), one side top of projector main part (1) is fixed with two fixed plates (12), the internally mounted of fixed plate (12) has spring (18), the one end of spring (18) is connected with and extends to fixed plate (12) outside limiting plate (13), switch (19) are installed to the opposite side of projector main part (1).

2. An LED projector according to claim 1, wherein: the clamping block (9) is matched with the first clamping groove (10), and the clamping block (9) is located on one side of the protective cover (8).

3. An LED projector according to claim 1, wherein: the sliding block (11) is located inside the sliding groove (6), and the sliding block (11) is connected with the sliding groove (6) in a sliding mode.

4. An LED projector according to claim 1, wherein: the diameter of the protective cover (8) is larger than that of the projector lens (3), and rubber is adhered to the outer surface and the inner wall of the protective cover (8) through strong glue.

5. An LED projector according to claim 1, wherein: the limiting plate (13) is in contact with the clamping plate (16), and the clamping plate (16) is matched with the second clamping groove (17).

6. An LED projector according to claim 1, wherein: the telescopic rod (5) is positioned inside the compression spring (7).

7. An LED projector according to claim 1, wherein: the dustproof net (15) is located inside the heat dissipation holes (14), and the dustproof net (15) is made of stainless steel materials.