Projector dust removal device
By designing a dust removal device for projectors, and utilizing an adjustment mechanism and an air pump, safe dust removal of projectors is achieved. This solves the problems of reduced projection effect and safety risks caused by dust accumulation in projectors, and achieves a safe and labor-saving dust removal effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-04-07
AI Technical Summary
After prolonged use, dust accumulates on the lens and body of the projector, leading to reduced projection quality and the inconvenience of dust removal, which poses safety risks.
A dust removal device for a projector is designed, including a fixed tube, a movable tube, an adjustment mechanism, a filter shell, and an air pump. The height of the dust collection shell is adjusted by the adjustment mechanism to make it flush with the projector, and the air pump is used to remove dust and filter it through the filter screen.
It achieves safe and labor-saving dust removal from projectors, reducing manpower consumption and work risks, and improving dust removal efficiency.
Smart Images

Figure CN224087488U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a projector dust removal technical field, concretely relates to a projector dust removal device. BACKGROUND
[0002] After long time use, the lens, the inside of the body and other parts of the projector will accumulate a lot of dust. Dust not only affects the projection effect of the projector, reduces the picture definition and color saturation, but also may cause equipment failure due to heat accumulation, shortens the service life.
[0003] At present, there are many inconveniences in the dust removal work of the projector, and the common method is that the staff climbs to a high place using a ladder and other tools, and manually cleans the projector. This way not only consumes a lot of manpower, but also has safety risks for the staff working at a high place, such as falling. UTILITY MODEL CONTENT
[0004] In view of the above problems existing in the prior art projector dust removal device, the utility model is proposed.
[0005] Therefore, the utility model aims to provide a projector dust removal device to solve the problems raised in the background art.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] A projector dust removal device, comprising a fixed pipe and a movable pipe, a first through hole is formed in the upper end of the fixed pipe, the movable pipe is slidably arranged in the first through hole, an adjusting mechanism is arranged on one side of the fixed pipe to move the movable pipe, a second through hole is formed in one side of the lower end of the fixed pipe, a connecting pipe is fixedly arranged outside the second through hole, an air suction pump is connected to the other end of the connecting pipe, a filter shell is arranged on the upper end of the movable pipe, a filter screen is mounted in the middle of the filter shell, a dust suction shell is arranged on the upper side of the filter shell, a dust suction cavity is formed in the dust suction shell, a plurality of dust suction holes are formed in the inner wall of the dust suction cavity, openings are formed in the two sides of the filter shell and the lower side of the dust suction shell, connecting mechanisms are arranged between the two sides of the filter shell and the dust suction shell and the movable pipe, and the two sides of the filter shell are fixedly connected with the corresponding movable pipe and dust suction shell through the connecting mechanisms.
[0008] Preferably, the adjusting mechanism comprises a threaded rod and a fixed plate, the fixed plate is fixedly arranged on one side of the fixed shell, a threaded hole is formed in the inside of the fixed plate, the threaded rod is threadedly sleeved in the inside of the threaded hole, a connecting plate is fixedly arranged on the outer wall of one side of the movable pipe, and the upper end of the threaded rod is rotatably connected with the connecting plate.
[0009] Preferably, the connecting mechanism comprises a first internally threaded pipe fixedly arranged at the lower side of the filter shell, an externally threaded hole formed in the outer wall of the upper end of the movable pipe, the first internally threaded pipe is in threaded connection with the upper end of the movable pipe, a second internally threaded pipe fixedly arranged at the lower side of the dust suction shell and corresponding to the opening, an externally threaded pipe fixedly arranged at the top of the filter shell and corresponding to the opening, and the second internally threaded pipe is in threaded sleeve connection with the externally threaded pipe.
[0010] Preferably, a rotating wheel is fixedly sleeved at the end of the threaded rod away from the connecting plate.
[0011] Preferably, a sealing ring is slidably arranged in the fixed pipe, and the lower end of the movable pipe is fixedly connected with the sealing ring.
[0012] Preferably, an inspection opening is formed in the rear part of the filter shell, and a baffle is mounted at the outer side of the inspection opening.
[0013] In the above technical solution, the technical effects and advantages of the utility model are provided.
[0014] The utility model discloses, through rotating the threaded rod, makes the threaded rod relative fixed plate remove, and then drives movable pipe relative fixed pipe remove, namely can adjust the height of dust suction shell, adjusts the height of dust suction shell to be even with projector when, horizontally removes fixed pipe, makes dust suction shell sleeve set in the outside of projector, then connects the power supply of air suction pump, makes multiple dust suction holes inhale the dust on the surface of projector into dust suction cavity, then flows into filter shell, is filtered by filter screen, namely can realize the safe and labor-saving projector dust removal work in low place, can save manpower greatly, reduces the work risk. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the present application, the drawings needed to be used in the embodiment will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.
[0016] Figure 1 The structural schematic diagram of the projector dust removal device is provided.
[0017] Figure 2 The internal structure schematic diagram of the utility model is provided. Figure 1 The internal structure schematic diagram of the utility model is provided.
[0018] Figure 3 The perspective view of the filter shell in the utility model is provided. Figure 1 The perspective view of the filter shell in the utility model is provided.
[0019] Mark explanation:
[0020] 1, fixed pipe; 2, movable pipe; 3, filter shell; 4, first internally threaded pipe; 5, second internally threaded pipe; 6, dust suction shell; 7, fixed plate; 8, threaded rod; 9, connecting plate; 10, air suction pump; 11, connecting pipe; 12, externally threaded pipe; 13, filter screen; 14, sealing ring. DETAILED DESCRIPTION
[0021] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.
[0022] The utility model discloses a projector dust removal device.
[0023] Referring to Figures 1-3 A kind of projector dust removal device, including fixed pipe 1 and movable pipe 2, the upper end of fixed pipe 1 is equipped with first through hole, movable pipe 2 is slidably arranged in the inside of first through hole, the inside of fixed pipe 1 is slidably provided with sealing ring 14, the lower end of movable pipe 2 is fixedly connected with sealing ring, improve the sealing property between movable pipe 2 and fixed pipe 1, the lower end of fixed pipe 1 side is equipped with second through hole, second through hole is fixedly provided with connecting pipe 11 outside, the other end of connecting pipe 11 is connected with air suction pump 10, the upper end of movable pipe 2 is provided with filter shell 3, filter screen 13 is installed in the middle part of filter shell 3, the upper side of filter shell 3 is provided with dust suction shell 6, dust suction cavity is formed in the inside of dust suction shell 6, a plurality of dust suction holes are formed in the inner side wall of dust suction cavity, the lower side of dust suction shell 6 and the two sides of filter shell 3 are all equipped with opening, access hole is formed in the rear portion of filter shell 3, baffle is installed outside access hole, and it is convenient to remove filter plate 13 from filter shell 3 and replace.
[0024] Referring to Figures 1-3 The side of fixed pipe 1 is provided with adjusting mechanism for moving movable pipe 2, and the adjusting mechanism includes threaded rod 8 and fixed plate 7, the fixed plate 7 is fixedly arranged on one side of fixed shell, the inside of fixed plate 7 is equipped with threaded hole, threaded rod 8 is threadedly sleeved in the inside of threaded hole, the outer wall of one side of movable pipe 2 is fixedly provided with connecting plate 9, the upper end of threaded rod 8 is rotatably connected with connecting plate 9, the end of threaded rod 8 away from connecting plate 9 is fixedly sleeved with rotating wheel, and it is convenient to rotate threaded rod 8.
[0025] Referring to Figures 1-3The two sides of the filter shell 3 are provided with connecting mechanisms between the movable pipe 2 and the dust collection shell 6, and the two sides of the filter shell 3 are fixedly connected with the corresponding movable pipe 2 and the dust collection shell 6 through the connecting mechanisms, the connecting mechanisms comprising a first internally threaded pipe 4 and a second internally threaded pipe 5, the first internally threaded pipe 4 being fixedly arranged at the lower side of the filter shell 3, the upper end outer wall of the movable pipe 2 being provided with external threads, the first internally threaded pipe 4 being threadedly connected with the upper end of the movable pipe 2, the second internally threaded pipe 5 being fixedly arranged at the lower side of the dust collection shell 6 at a position corresponding to the opening, an externally threaded pipe 12 being fixedly arranged at the top of the filter shell 3 at a position corresponding to the opening, the second internally threaded pipe 5 being threadedly sleeved with the externally threaded pipe 12, so as to conveniently separate the filter shell 3 from the movable pipe 2 and the dust collection shell 6, and then conveniently clean the filter shell 3.
[0026] In use, the threaded rod 8 is rotated to move the threaded rod 8 relative to the fixed plate 7, thereby driving the movable pipe 2 to move relative to the fixed pipe 1, i.e. the height of the dust collection shell 6 can be adjusted, the fixed pipe 1 is horizontally moved when the height of the dust collection shell 6 is adjusted to be flush with the projector, so that the dust collection shell 6 is sleeved outside the projector, then the power supply of the air suction pump 10 is turned on, so that the dust on the surface of the projector is sucked into the dust collection cavity through the plurality of dust suction holes, and then flows into the filter shell 3 and is filtered by the filter screen 13, i.e. safe and labor-saving projector dust removal work at a low place can be realized, manpower can be greatly saved, and work risk is reduced.
[0027] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A dust removal device for a projector, comprising a fixed tube (1) and a movable tube (2), characterized in that, The fixed tube (1) has a first through hole at its upper end, and the movable tube (2) slides through the first through hole. An adjustment mechanism for moving the movable tube (2) is provided on one side of the fixed tube (1). A second through hole is provided on one side of the lower end of the fixed tube (1). A connecting tube (11) is fixedly installed on the outside of the second through hole. The other end of the connecting tube (11) is connected to a vacuum pump (10). A filter shell (3) is provided at the upper end of the movable tube (2). The middle part of the filter shell (3)... A filter screen (13) is installed. A dust collection shell (6) is provided on the upper side of the filter shell (3). The dust collection shell (6) has a dust collection chamber inside. Multiple dust collection holes are provided on the inner side wall of the dust collection chamber. Openings are provided on both sides of the filter shell (3) and the lower side of the dust collection shell (6). A connecting mechanism is provided between the two sides of the filter shell (3), the movable tube (2), and the dust collection shell (6). The two sides of the filter shell (3) are fixedly connected to the corresponding movable tube (2) and dust collection shell (6) through the connecting mechanism.
2. The projector dust removal device according to claim 1, characterized in that, The adjustment mechanism includes a threaded rod (8) and a fixed plate (7). The fixed plate (7) is fixedly disposed on one side of the fixed shell. A threaded hole is provided inside the fixed plate (7). The threaded rod (8) is threadedly sleeved inside the threaded hole. A connecting plate (9) is fixedly disposed on one side of the outer wall of the movable tube (2). The upper end of the threaded rod (8) is rotatably connected to the connecting plate (9).
3. The projector dust removal device according to claim 1, characterized in that, The connecting mechanism includes a first internally threaded tube (4) and a second internally threaded tube (5). The first internally threaded tube (4) is fixedly disposed on the lower side of the filter shell (3). The upper outer wall of the movable tube (2) is provided with an external thread. The first internally threaded tube (4) is threadedly connected to the upper end of the movable tube (2). The second internally threaded tube (5) is fixedly disposed on the lower side of the dust collection shell (6) and at the position corresponding to the opening. The top of the filter shell (3) and at the position corresponding to the opening are fixedly disposed with an externally threaded tube (12). The second internally threaded tube (5) and the externally threaded tube (12) are threadedly sleeved.
4. The projector dust removal device according to claim 2, characterized in that, A rotating wheel is fixedly sleeved at the end of the threaded rod (8) away from the connecting plate (9).
5. The projector dust removal device according to claim 1, characterized in that, A sealing ring (14) is slidably disposed inside the fixed tube (1), and the lower end of the movable tube (2) is fixedly connected to the sealing ring.
6. The projector dust removal device according to claim 1, characterized in that, The filter housing (3) has an inspection port at the rear, and a baffle is installed on the outside of the inspection port.