CN215986880U

CN215986880U - Projection screen with self-cleaning function

Info

Publication number: CN215986880U
Application number: CN202122388818.3U
Authority: CN
Inventors: 裴沁
Original assignee: Shanghai Qinyu Information Technology Co ltd
Current assignee: Shanghai Qinyu Information Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-08
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a projection screen with an automatic cleaning function, which comprises a screen main body, wherein a first mounting frame and a second mounting frame are respectively mounted at the upper end and the lower end of the screen main body, racks are respectively vertically mounted at the two sides of the screen main body, a pair of guide rods are vertically mounted between the first mounting frame and the second mounting frame at one side close to the racks, supporting rods are respectively sleeved at the upper end and the lower end between the pair of guide rods, supporting rollers are sleeved outside the supporting rods, wet cleaning felts are pasted outside one of the supporting rollers, dry cleaning felts are pasted outside the other supporting roller, a motor is respectively mounted at one end of each of the pair of supporting rollers, the output end of the motor is connected with a driving gear, a driven gear is respectively mounted at the other end of each of the pair of supporting rollers, and a cleaning water tank is mounted at one side of the screen main body. The utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, convenience for cleaning the surface of the projection screen by a user and higher practical value.

Description

Projection screen with self-cleaning function

Technical Field

The utility model relates to the technical field of projection screens, in particular to a projection screen with an automatic cleaning function.

Background

The projection screen is one of the most commonly used products in peripheral equipment of the projector, and is called as the projection screen for short; if the projection screen is matched with the projector properly, a good projection effect can be obtained. However, most projection screens are hung on walls or brackets for a long time, and a lot of dust adheres to the surface of the screen, so that a user needs to clean the screen regularly, otherwise the use effect is influenced. We have therefore improved this and have proposed a projection screen with an automatic cleaning function.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a projection screen with an automatic cleaning function, which comprises a screen main body, wherein a first mounting frame and a second mounting frame are respectively mounted at the upper end and the lower end of the screen main body, racks are respectively vertically mounted at the two sides of the screen main body, a pair of guide rods are vertically mounted between the first mounting frame and the second mounting frame at one side close to the racks, supporting rods are respectively sleeved at the upper end and the lower end between the pair of guide rods, supporting rollers are sleeved outside the supporting rods, wet cleaning felts are pasted outside one of the supporting rollers, dry cleaning felts are pasted outside the other supporting roller, a motor is respectively mounted at one end of the pair of supporting rollers, the output end of the motor is connected with a driving gear, a driven gear is respectively mounted at the other end of the pair of supporting rollers, and a cleaning water tank is mounted at one side of the screen main body.

As a preferable technical scheme of the utility model, a pair of water inlets are formed in the top of the first mounting frame, a water pipe is arranged in each water inlet, and one end of each water pipe is connected with the cleaning water tank.

As a preferable technical solution of the present invention, the other end of the water pipe penetrates one side of the first mounting bracket and is connected to a spray head, and one end of the spray head penetrates the first mounting bracket and extends to the outside.

As a preferable technical scheme of the utility model, one side of the screen main body is provided with a connecting block, one side of the connecting block is vertically provided with a support, the top end of the support is provided with a threaded hole, and the threaded hole is internally threaded with a mounting bolt.

As a preferable technical scheme of the utility model, a plurality of adjusting holes are formed in one side of the bracket at equal intervals, and adjusting bolts are connected with the adjusting holes in an internal thread manner.

As a preferred technical scheme of the utility model, the base is installed at the bottom of the support, the two ends of the base are both connected with the cross rods, the four corners of the bottom of each cross rod are both provided with the idler wheels, and the idler wheels are universal wheels.

As a preferable technical scheme of the utility model, the driving gear and the driven gear are meshed with the rack.

As a preferred technical scheme of the present invention, the wet cleaning felt and the dry cleaning felt are respectively provided at one side of the insides thereof with a main magic tape, and the wet cleaning felt and the dry cleaning felt are respectively provided at the other side of the insides thereof with an auxiliary magic tape, and the main magic tape and the auxiliary magic tape are adhered to each other.

The utility model has the beneficial effects that:

1. according to the projection screen with the automatic cleaning function, the wet cleaning felt and the dry cleaning felt can be conveniently moved up and down through the matched use of the rack, the motor, the driving gear and the driven gear, the surface of the screen main body is cleaned in a dry and wet mode, the surface of the screen main body can be cleaned for multiple times through the matched use of the cleaning water tank, the water pipe, the spraying head, the wet cleaning felt and the dry cleaning felt, and the water stain remained on the surface of the screen is prevented from affecting the use;

2. according to the projection screen with the automatic cleaning function, the cleaning felt is convenient to disassemble and replace through the matched use of the main magic tape and the auxiliary magic tape, the cleaning effect is effectively prevented from being influenced by excessive stains on the surface of the cleaning felt, the cleaning efficiency is improved, the height of the screen main body can be adjusted according to needs through the matched use of the adjusting holes and the adjusting bolts, the movement of the support can be facilitated through the arrangement of the idler wheels, and the use convenience is improved; the utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, convenience for cleaning the surface of the projection screen by a user and higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a projection screen with an automatic cleaning function according to the present invention;

FIG. 2 is a schematic plan sectional view of a projection screen with an automatic cleaning function according to the present invention;

FIG. 3 is a schematic side view of a projection screen with an automatic cleaning feature according to the present invention;

FIG. 4 is an enlarged schematic view of the structure A of FIG. 1 of a projection screen with an automatic cleaning function according to the present invention;

fig. 5 is a perspective view of a partial structure of a projection screen with an automatic cleaning function according to the present invention.

In the figure: 1. a screen main body; 2. a first mounting bracket; 3. a second mounting bracket; 4. a rack; 401. a guide bar; 402. a support bar; 403. a carrier roller; 404. a motor; 405. a driving gear; 406. a driven gear; 5. wet cleaning of the felt; 501. a main magic tape; 502. auxiliary magic tape; 6. cleaning the water tank; 601. a water pipe; 602. a spray head; 7. dry cleaning the felt; 8. a support; 801. an adjustment hole; 802. adjusting the bolt; 803. connecting blocks; 804. installing a bolt; 9. a base; 10. a cross bar; 11. and a roller.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 5, the projection screen with the automatic cleaning function of the present invention includes a screen main body 1, a first mounting frame 2 and a second mounting frame 3 are respectively installed at upper and lower ends of the screen main body 1, racks 4 are respectively vertically installed at both sides of the screen main body 1, a pair of guide rods 401 is vertically installed at one side close to the racks 4 between the first mounting frame 2 and the second mounting frame 3, support rods 402 are respectively sleeved at the upper and lower ends between the pair of guide rods 401, support rollers 403 are respectively sleeved outside the support rods 402, a wet cleaning felt 5 is adhered outside one of the support rollers 403, a dry cleaning felt 7 is adhered outside the other support roller 403, a motor 404 is installed at one end of each pair of the support rollers, a driving gear 405 is connected to an output end of the motor 404, a driven gear 406 is installed at the other end of each pair of the support rollers 403, a washing water tank 6 is installed at one side of the screen body 1.

Wherein, the top of first mounting bracket 2 is equipped with a pair of water inlet, just the internally mounted of water inlet has water pipe 601, the one end and the 6 case connections of washing water tank of water pipe 601, through being equipped with washing water tank 6 and water pipe 601, can spray the sanitizer, convenient clearance to the screen.

Wherein, the other end of water pipe 601 runs through one side of first mounting bracket 2 to be connected with spray head 602, the one end of spray head 602 runs through first mounting bracket 2, and extends to the outside.

Wherein, connecting block 803 is installed to one side of screen main part 1, support 8 is vertically installed to one side of connecting block 803, the top of support 8 is equipped with the screw hole, just threaded hole female connection has mounting bolt 804.

Wherein, a plurality of regulation holes 801 are arranged at one side of the support 8 at equal intervals, the internal thread of the regulation hole 801 is connected with a regulation bolt 802, and the height of the screen main body 1 can be regulated by matching the regulation hole 801 with the regulation bolt 802.

Wherein, base 9 is installed to the bottom of support 8, just base 9's both ends all are connected with horizontal pole 10, and are a pair of gyro wheel 11 is all installed in the bottom four corners of horizontal pole 10, just gyro wheel 11 is the universal wheel, through being provided with gyro wheel 11, can make things convenient for the removal of screen main part 1, has improved the convenience of using.

Wherein the driving gear 405 and the driven gear 406 are engaged with the rack 4.

Wherein, wet clearance felt 5 and dry clearance felt 7's inside one side all is equipped with main magic subsides 501, just wet clearance felt 5 and dry clearance felt 7's inside opposite side is equipped with vice magic subsides 502, main magic subsides 501 and vice magic subsides 502 are pasted each other, through being equipped with main magic subsides 501 and vice magic subsides 502, convenient to use person dismantles and changes the clearance felt.

The working principle is as follows: when the cleaning device is used, the bracket 8 is moved to a fixed position through the roller 11, the projection screen is used, after the cleaning device is used for a period of time, a lot of dust and dirt are adhered to the surface of the screen main body 1, the cleaning agent in the cleaning water tank 6 is conveyed into the spray head 602 through the water pipe 601, the cleaning agent is sprayed on the surface of the screen main body 1 through the spray head 602, the motor 404 is started to drive the driving gear 405 to rotate, the wet cleaning felt 5 moves up and down on the guide rod 401 through the mutual matching of the driving gear 405 and the driven gear 406, the surface of the screen main body 1 is cleaned for the first time, after the cleaning, the surface of the screen main body 1 is cleaned for the second time through the dry cleaning felt 7, the water stain is prevented from being remained on the surface of the screen main body 1, the use is influenced, after the wet felt cleaning 5 and the dry cleaning 7 are cleaned for a plurality of times, a lot of dust is adhered to the surfaces of the wet felt cleaning 5 and the dry cleaning 7, through pulling main magic subsides 501 and vice magic subsides 502, change wet clearance felt 5 and dry clearance felt 7, effectively avoid clearing up the felt surface spot too much, influence clearance effect, improved the efficiency of clearance simultaneously.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a projection screen with self-cleaning function, includes screen main part (1), its characterized in that, first mounting bracket (2) and second mounting bracket (3) are all installed at the upper and lower both ends of screen main part (1), rack (4) are all vertically installed to the both sides of screen main part (1), vertically install a pair of guide bar (401) in the one side that is close to rack (4) between first mounting bracket (2) and second mounting bracket (3), it is a pair of upper and lower both ends between guide bar (401) all overlap and are equipped with bracing piece (402), the outside cover of bracing piece (402) is equipped with bearing roller (403), one of them the outside of bearing roller (403) is pasted and is had wet clearance felt (5), another the outside of bearing roller (403) is pasted and is had dry clearance felt (7), and is a pair of motor (404) is all installed to the one end of bearing roller (403), and the output of motor (404) is connected with driving gear (405), and is a pair of driven gear (406) are all installed to the other end of bearing roller (403), wash water tank (6) are installed to one side of screen main part (1).

2. The projection screen with the automatic cleaning function according to claim 1, wherein a pair of water inlets are arranged at the top of the first mounting frame (2), a water pipe (601) is arranged inside the water inlets, and one end of the water pipe (601) is connected with the cleaning water tank (6).

3. The projection screen with the automatic cleaning function according to claim 2, wherein the other end of the water pipe (601) penetrates one side of the first mounting frame (2) and is connected with a spray head (602), and one end of the spray head (602) penetrates the first mounting frame (2) and extends to the outside.

4. The projection screen with the automatic cleaning function according to claim 1, wherein a connecting block (803) is installed on one side of the screen main body (1), a bracket (8) is vertically installed on one side of the connecting block (803), a threaded hole is formed in the top end of the bracket (8), and a mounting bolt (804) is connected in the threaded hole in a threaded manner.

5. The projection screen with the automatic cleaning function as claimed in claim 4, wherein a plurality of adjusting holes (801) are formed in one side of the bracket (8) at equal intervals, and adjusting bolts (802) are connected to the adjusting holes (801) in a threaded manner.

6. The projection screen with the automatic cleaning function according to claim 5, wherein a base (9) is installed at the bottom of the support (8), cross rods (10) are connected to two ends of the base (9), rollers (11) are installed at four corners of the bottom of the pair of cross rods (10), and the rollers (11) are universal wheels.

7. The projection screen with automatic cleaning function of claim 1, wherein the driving gear (405) and the driven gear (406) are engaged with the rack (4).

8. The projection screen with the automatic cleaning function according to claim 1, wherein a main magic tape (501) is arranged on one side of the inside of each of the wet cleaning felt (5) and the dry cleaning felt (7), a secondary magic tape (502) is arranged on the other side of the inside of each of the wet cleaning felt (5) and the dry cleaning felt (7), and the main magic tape (501) and the secondary magic tape (502) are adhered to each other.