CN212112096U

CN212112096U - Dust removal structure of projector

Info

Publication number: CN212112096U
Application number: CN202021155688.8U
Authority: CN
Inventors: 李汉中
Original assignee: Chongqing Panyue Technology Co ltd
Current assignee: Chongqing Panyue Technology Co ltd
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2020-12-08
Anticipated expiration: 2030-06-21

Abstract

The utility model discloses a dust removal structure of projector, including the projector case, the heat dissipation fence has been seted up on one side outer wall of projector case, the projector incasement is close to heat dissipation fence department and is equipped with a dustproof otter board, one side position that the projector case is located dustproof otter board and keeps away from the heat dissipation fence installs projection equipment, one side that the projector incasement is located dustproof otter board and is close to the heat dissipation fence is equipped with dust collector and dust extraction, dust collector includes servo motor, I of projector case compare the welding and have a motor box. The utility model discloses be equipped with dust collector, rotate pulling lead screw slider reciprocating motion through reciprocal lead screw to remove the in-process and add and establish gear and spur rack transmission meshing, also take place self when making a round trip movement about the dust removal section of thick bamboo and rotate, utilize the brush hair on the dust removal section of thick bamboo to sweep the dust on the dustproof mesh board fast, cleaned the mesh, strengthened the air flow, thereby improved the radiating effect of projector.

Description

Dust removal structure of projector

Technical Field

The utility model relates to a photoelectric device technical field especially relates to a dust removal structure of projector.

Background

A projector, also called a projector, is a device that 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, etc. through different interfaces to play corresponding video signals.

The projector is in the use, work under suitable environment low temperature in order to guarantee the inside components and parts of equipment, the inside fan and the heat dissipation fence of setting up of projector usually discharge the heat, still can be equipped with the dust screen in order to prevent that the dust from getting into the inside projector simultaneously, but the dust screen uses for a long time and can save a large amount of dusts, block up the mesh, influence the air flow, make the radiating effect of fan descend, influence the normal work of projector and even reduce the life of projector, and the projector need dismantle the shell and just can remove dust to the dust screen, comparatively troublesome still damage the projector when dismantling easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dust removing structure of a projector.

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

the utility model provides a dust removal structure of projector, includes the projector case, the heat dissipation fence has been seted up on one side outer wall of projector case, the department of being close to the heat dissipation fence in the projector case is equipped with a dustproof otter board, projector case is located one side position that dustproof otter board kept away from the heat dissipation fence and installs projection equipment, one side that the dustproof otter board that is located in the projector case is close to the heat dissipation fence is equipped with dust collector and dust extraction.

Preferably, the dust collector includes servo motor, the welding has a motor box in my ratio of projector case, servo motor installs in the motor box, the both sides inner wall in the projector case is connected with a reciprocal lead screw through the bearing rotation, the tank wall that the projection case was run through to the one end of reciprocal lead screw and servo motor's output shaft coaxial weld, there is a lead screw slider through threaded connection on the reciprocal lead screw, a spout has been seted up on the top inner wall of projector case, sliding connection has a movable block in the spout, the up end and the movable block fixed connection of lead screw slider, the lower extreme of lead screw slider is connected with a pivot through the bearing rotation, coaxial welding has a dust removal section of thick bamboo in the pivot, the last brush hair that bonds of dust removal section of thick bamboo.

Preferably, a gear is coaxially welded at the upper end of the rotating shaft, a horizontal spur rack is welded on the inner wall of the projector case above the heat dissipation fence, and the gear is meshed with the spur rack.

Preferably, dust extraction includes the suction fan, the welding has a dust absorption case on the bottom outer wall of projector case, the bottom inner wall middle berth of projector case is equipped with a dust absorption pipe, a plurality of dust absorption mouths have been seted up to the inner wall bottom of projector case, every the dust absorption mouth all communicates with the dust absorption pipe, the one end and the dust absorption case of dust absorption pipe are connected, the suction fan is installed on one side inner wall that the dust absorption case transported away from the dust absorption pipe, the dust absorption incasement wall is equipped with the one deck filter screen.

Preferably, the dust collection box is provided with a plurality of ventilation openings on the inner wall of one side of the suction fan, and the bottom of the dust collection box is provided with a detachable cleaning plate.

Preferably, the dust suction ports are of a funnel-shaped structure, and the distance between every two adjacent dust suction ports is equal.

The utility model discloses in, compare with prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with dust collector, rotate pulling lead screw slider reciprocating motion through reciprocal lead screw to remove the in-process and add and establish gear and spur rack transmission meshing, also take place self when making a round trip movement about the dust removal section of thick bamboo and rotate, utilize the brush hair on the dust removal section of thick bamboo to sweep the dust on the dustproof mesh board fast, cleaned the mesh, strengthened the air flow, thereby improved the radiating effect of projector.

2. The utility model discloses be equipped with dust extraction, when a dust removal section of thick bamboo removes dust, through opening the dust that the suction fan will sweep and inhale the dust suction box through dust absorption mouth, dust absorption pipe, avoid the dust to stay the inner wall bottom of projector case on adhering to the dust screen once more, whole dust removal mechanism need not dismantle to the projector alright accomplish dust removal and dust absorption work, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a dust removing structure of a projector according to the present invention.

Fig. 2 is a side view of the dust removing structure of the projector according to the present invention.

Fig. 3 is an enlarged schematic view of a point a of the dust removing structure of the projector according to the present invention.

In the figure: the device comprises a projector case 1, a heat dissipation fence 2, a dustproof screen plate 3, a motor box 4, a servo motor 5, a reciprocating screw rod 6, a sliding chute 7, a moving block 8, a screw rod sliding block 9, a rotating shaft 10, a gear 11, a dust removal cylinder 12, a spur rack 13, a dust suction pipe 14, a dust suction port 15, a dust suction box 16, a filter screen 17, an air suction fan 18, a ventilation opening 19 and a cleaning plate 20.

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.

Referring to fig. 1-3, a dust removing structure of a projector comprises a projector case 1, a heat dissipation rail 2 is arranged on the outer wall of one side of the projector case 1, a dustproof mesh plate 3 is arranged in the projector case 1 near the heat dissipation rail 2, a projection device is arranged at the position of the dustproof mesh plate 3 on one side far away from the heat dissipation rail 2 of the projector case 1, and a dust removing device and a dust collecting device are arranged at the position of the dustproof mesh plate 3 in the projector case 1 near the heat dissipation rail 2.

The dust removal device comprises a servo motor 5, a motor box 4 is welded on the projector case 1, the servo motor 5 is installed in the motor box 4, the inner walls of two sides in the projector case 1 are rotatably connected with a reciprocating screw rod 6 through bearings, one end of the reciprocating screw rod 6 penetrates through the case wall of the projector case 1 and is coaxially welded with the output shaft of the servo motor 5, a screw rod slide block 9 is connected on the reciprocating screw rod 6 through threads, a chute 7 is arranged on the inner wall of the top of the projector case 1, a moving block 8 is slidably connected in the chute 7, the upper end face of the screw rod slide block 9 is fixedly connected with the moving block 8, the lower end of the screw rod slide block 9 is rotatably connected with a rotating shaft 10 through bearings, a dust removal cylinder 12 is coaxially welded on the rotating shaft 10, brush hair is adhered on the dust removal cylinder 12, a gear 11 is coaxially welded at the upper end position of the rotating shaft 10, a horizontal straight, the gear 11 is intermeshed with a spur rack 13.

Dust extraction includes suction fan 18, the welding has a dust box 16 on the bottom outer wall of projector case 1, the bottom inner wall middle berth of projector case 1 is equipped with a dust absorption pipe 14, a plurality of dust absorption mouths 15 have been seted up to projector case 1's inner wall bottom, every dust absorption mouth 15 all communicates with dust absorption pipe 14, the one end and the dust box 16 of dust absorption pipe 14 are connected, suction fan 18 is installed on the inner wall of one side that dust box 16 transported away from dust absorption pipe 14, the dust box 16 inner wall is equipped with one deck filter screen 17, a plurality of vents 19 have been seted up on the inner wall of one side that dust box 16 is located suction fan 18, the bottom of dust box 16 is equipped with a detachable clearance board 20, dust absorption mouth 15 is the funnel type structure and is used for improving dust absorption area and dust absorption effect, the distance of every two adjacent dust absorption mouths 15 equals.

In the utility model, when the projector needs to clean the dust attached on the dustproof screen plate 3 for a period of time, the servo motor 5 and the suction fan 18 are externally connected, then the servo motor 5 and the suction fan 18 are sequentially opened, when the servo motor 5 works to drive the reciprocating screw 6 to rotate, the screw rod slider 9 slides back and forth left and right under the dragging of the moving block 8, in the sliding process of the screw rod slider 9, the gear 11 on the rotating shaft 10 rolls in inner engagement with the spur rack 13 to drive the rotating shaft 10 and the dedusting cylinder 12 to move left and right and simultaneously rotate, thereby the dust on the dustproof screen plate 3 is swept down by the brush hair on the dedusting cylinder 12, the swept dust is scattered in a plurality of dust suction ports 15 on the inner wall of the bottom of the projector case 1, at the moment, the suction fan 18 rotates to suck the dust from the dust suction ports 15 to the inside of the dust suction box 16 through the dust suction pipe 14, after the whole dust removal and dust, the servo motor 5 and the suction fan 18 are turned off, and then the cleaning plate 20 is detached to clean the dust sucked into the dust suction box 16, so that the next dust removal is facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dust removal structure of projector, includes projector case (1), its characterized in that, heat dissipation fence (2) have been seted up on one side outer wall of projector case (1), be close to heat dissipation fence (2) department in projector case (1) and be equipped with one dustproof otter board (3), projector case (1) is located one side position that dustproof otter board (3) kept away from heat dissipation fence (2) and installs projection equipment, the one side that lies in dustproof otter board (3) and is close to heat dissipation fence (2) in projector case (1) is equipped with dust collector and dust extraction.

2. The dust removing structure of the projector according to claim 1, wherein the dust removing device comprises a servo motor (5), a motor box (4) is welded on the projector case (1), the servo motor (5) is installed in the motor box (4), a reciprocating lead screw (6) is rotatably connected to inner walls of two sides in the projector case (1) through a bearing, one end of the reciprocating lead screw (6) penetrates through a case wall of the projector case (1) and is coaxially welded with an output shaft of the servo motor (5), a lead screw slider (9) is connected to the reciprocating lead screw (6) through a thread, a sliding groove (7) is formed in an inner wall of the top of the projector case (1), a moving block (8) is slidably connected to the sliding groove (7), and an upper end face of the lead screw slider (9) is fixedly connected with the moving block (8), the lower end of the screw rod sliding block (9) is rotatably connected with a rotating shaft (10) through a bearing, a dedusting cylinder (12) is coaxially welded on the rotating shaft (10), and bristles are bonded on the dedusting cylinder (12).

3. The dust removing structure of the projector according to claim 2, wherein a gear (11) is coaxially welded to the upper end of the rotating shaft (10), a horizontal spur rack (13) is welded to the inner wall of the projector case (1) above the heat dissipation rail (2), and the gear (11) and the spur rack (13) are engaged with each other.

4. The dust removal structure of the projector according to claim 1, wherein the dust suction device comprises a suction fan (18), a dust suction box (16) is welded on the outer wall of the bottom of the projector case (1), a dust suction pipe (14) is paved in the inner wall of the bottom of the projector case (1), a plurality of dust suction ports (15) are formed in the bottom of the inner wall of the projector case (1), each dust suction port (15) is communicated with the dust suction pipe (14), one end of the dust suction pipe (14) is connected with the dust suction box (16), the suction fan (18) is installed on the inner wall of one side, away from the dust suction pipe (14), of the dust suction box (16), and a layer of filter screen (17) is arranged on the inner wall of the dust suction box (16).

5. The dust removing structure of the projector as claimed in claim 4, wherein the dust box (16) has a plurality of ventilation openings (19) formed on an inner wall of one side of the suction fan (18), and a detachable cleaning plate (20) is disposed at the bottom of the dust box (16).

6. The dust removing structure of a projector as claimed in claim 4, wherein said dust suction ports (15) are of a funnel type, and the distance between every two adjacent dust suction ports (15) is equal.