阅读说明：本技术 一种新型投影仪幕布架 (Novel projector curtain frame ) 是由 刘桂稳 于 2019-12-03 设计创作，主要内容包括：本发明公开了一种新型投影仪幕布架,其结构包括右电机、卷放清洁装置、左电机、幕布、承重横杆,本发明具有的效果：幕布通过卷筒进行卷放作业,幕布在卷放过程中表面和框架底部进布口设有的清洁刷接触,通过清洁刷前端柔软的鬃毛对幕布表面的浮尘进行清扫,使浮尘和幕布分离,浮尘经过清洁刷的清扫后,漂浮在幕布周围,因为卷筒与左吸尘座和右吸尘座三者同步联动运行,在卷筒对幕布进行卷放作业中,吸尘横条周围形成空气负压,空气在负压作用下沿幕布由下往上运动,使漂浮在幕布周围浮尘,第一时间被左吸尘座和右吸尘座形成的空气负压吸取,并利用排尘波纹管将浮尘统一由室内排出,从而提高幕布每次使用时的清洁度以及观影效果。(The invention discloses a novel projector screen frame, which structurally comprises a right motor, a winding and unwinding cleaning device, a left motor, a screen and a bearing cross bar, and has the following effects: the curtain rolls up through the reel and puts the operation, the curtain is putting the cleaning brush contact that the in-process surface and frame bottom feed opening were equipped with in the book, clean the floating dust on curtain surface through the soft mane of cleaning brush front end, make floating dust and curtain separation, floating dust floats around the curtain through cleaning of cleaning brush's back, because the reel links the operation with left dust absorption seat and right dust absorption seat three synchronous, in the reel is putting the operation to the curtain book, form the air negative pressure around the dust absorption horizontal bar, the air moves from bottom to top along the curtain under the negative pressure effect, make float the floating dust around the curtain, the air negative pressure that is formed by left dust absorption seat and right dust absorption seat in the very first time absorbs, and utilize the dust exhaust bellows to unify the floating dust by indoor discharge, thereby improve cleanliness and the sight shadow effect when the curtain uses every time.)

1. The utility model provides a novel projecting apparatus curtain frame, its structure includes right motor (1), rolls up puts cleaning device (2), left motor (3), curtain (4), bearing horizontal pole (5), its characterized in that:

roll up and put cleaning device (2) both sides and be equipped with left motor (3) and right motor (1), left motor (3) and right motor (1) put cleaning device (2) transmission with rolling up and be connected, the roll up put cleaning device (2) bottom and be equipped with curtain (4), curtain (4) and roll up put cleaning device (2) and cooperate, curtain (4) bottom be equipped with bearing horizontal pole (5).

2. The novel projector screen holder as claimed in claim 1, wherein: the rolling and unrolling cleaning device (2) is composed of a curtain rolling and unrolling mechanism (21), a dust removal cleaning mechanism (22) and dust absorption cross bars (23), wherein the dust removal cleaning mechanism (22) is arranged above the curtain rolling and unrolling mechanism (21), and the dust absorption cross bars (23) are arranged at the front end of the curtain rolling and unrolling mechanism (21).

3. The novel projector screen holder as claimed in claim 2, wherein: curtain roll up put mechanism (21) constitute by frame (21a), reel (21b), extension axle (21c), cleaning brush (21d), dust guide tube (21e), frame (21a) inside be equipped with reel (21b), reel (21b) both ends be equipped with extension axle (21c), reel (21b) below be equipped with dust guide tube (21e), frame (21a) bottom be equipped with cleaning brush (21 d).

4. The novel projector screen holder as claimed in claim 2, wherein: clean mechanism (22) of dust removal by dust exhaust bellows (22a), lead dirt and be responsible for (22b), left dust absorption seat (22c), exhaust check valve (22d), right dust absorption seat (22e) and constitute, lead dirt and be responsible for (22b) top and be equipped with dust exhaust bellows (22a), lead dirt and be responsible for (22b) inside and be equipped with exhaust check valve (22d), lead dirt and be responsible for (22b) both ends and be equipped with left dust absorption seat (22c) and right dust absorption seat (22 e).

5. The novel projector screen holder as claimed in claim 4, wherein: left side dust absorption seat (22c) by dust guide cover (22c1), impeller (22c2), filter screen (22c3) admits air, frame (22c4), dust guide return bend (22c5), pivot (22c6), negative pressure chamber (22c7), exhaust filter screen (22c8) are constituteed, frame (22c4) inside be equipped with negative pressure chamber (22c7), negative pressure chamber (22c7) inside be equipped with pivot (22c6), negative pressure chamber (22c7) top be equipped with dust guide cover (22c1), negative pressure chamber (22c7) outer lane on be equipped with air inlet filter screen (22c3), negative pressure chamber (22c7) top be equipped with exhaust filter screen (22c8), pivot (22c6) on install impeller (22c2), negative pressure chamber (22c7) below be equipped with dust guide return bend (22c 5).

Technical Field

The invention relates to the field of projection screen racks, in particular to a novel projector screen rack.

Background

The projection curtain is used in the occasions such as film, office, home theater, large conference, etc., the tool used for displaying the image, video file, divide into many kinds of specification sizes, the choice of different space projection curtain is different too, for example, the occasion that the number of people watching is more or watch horizontally should choose the screen with wide visual angle, low gain, the long and narrow space watches in order to choose the screen with narrow visual angle, high gain, choose the screen with appropriate gain at the same time, help to improve the contrast of the screen, make the gray scale of the image increase, the color is bright, increase the observability of the image, when the existing projection curtain is spread for a long time in the indoor or outdoor use, many floating dusts will adhere to the surface of the projection curtain, the floating dust will influence the viewing effect of the projection curtain, and the floating dust on the surface of the projection curtain is difficult to carry on the effective cleaning, therefore need a new kind of projector to develop the curtain shelf, so as to solve the existing projection curtain is spread for a long time in the, many floating dusts can adhere to the surface of the projection curtain, the floating dusts can influence the viewing effect of the projection curtain, and the floating dusts on the surface of the projection curtain are not easy to be cleaned effectively.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a novel projecting apparatus curtain frame, its structure includes right motor, rolls up puts cleaning device, left motor, curtain, bearing horizontal pole, the book put cleaning device both sides and be equipped with left motor and right motor, left motor and right motor and roll up put the cleaning device transmission and be connected, the book put the cleaning device bottom and be equipped with the curtain, the curtain with roll up put cleaning device and cooperate, the curtain bottom be equipped with the bearing horizontal pole, bearing horizontal pole and curtain adopt interference fit.

As a further optimization of the technical scheme, the winding and unwinding cleaning device is composed of a curtain winding and unwinding mechanism, a dust removal cleaning mechanism and dust absorption cross bars, wherein the dust removal cleaning mechanism is arranged above the curtain winding and unwinding mechanism and matched with the curtain winding and unwinding mechanism, the dust absorption cross bars are arranged at the front end of the curtain winding and unwinding mechanism, and the dust absorption cross bars are connected with the curtain winding and unwinding mechanism.

As the further optimization of this technical scheme, curtain rolling mechanism constitute by frame, reel, extension axle, cleaning brush, dust guide pipe, the inside reel that is equipped with of frame, reel and curtain cooperate, the reel both ends be equipped with the extension axle, extension axle and reel adopt interference fit, the reel extend the axle through both ends and be connected with left motor and right motor respectively, reel below be equipped with dust guide pipe, dust guide pipe front end and dust absorption horizontal bar connect, frame bottom advance the cloth mouth and be equipped with cleaning brush, cleaning brush and frame looks lock.

As a further optimization of the technical scheme, the dust removal cleaning mechanism comprises a dust exhaust corrugated pipe, a dust guide main pipe, a left dust suction seat, an exhaust check valve and a right dust suction seat, wherein the dust exhaust corrugated pipe is arranged at the center of the top of the dust guide main pipe, the dust exhaust corrugated pipe is connected with the dust guide main pipe, the exhaust check valve is arranged inside the dust guide main pipe, the exhaust check valve is connected with the dust guide main pipe, the exhaust check valve is matched with the dust exhaust corrugated pipe, the left dust suction seat and the right dust suction seat are arranged at two ends of the dust guide main pipe, and the left dust suction seat and the right dust suction seat are connected with the dust guide main pipe.

As a further optimization of the technical proposal, the left dust absorption seat consists of a dust guide cover, an impeller, an air inlet filter screen, an outer frame, a dust guide bent pipe, a rotating shaft, a negative pressure cavity and an exhaust filter screen, a negative pressure cavity is arranged in the outer frame, a rotating shaft is arranged at the center position in the negative pressure cavity, the rotating shaft and the extension shaft are meshed through a bevel gear, a dust guide cover is arranged above the negative pressure cavity, the dust guide cover is matched with the negative pressure cavity, the negative pressure cavity is arranged in the outer frame through the dust guide cover, an air inlet filter screen is arranged on the outer ring of the negative pressure cavity and is buckled with the negative pressure cavity, the top of the negative pressure cavity is provided with an exhaust filter screen, the exhaust filter screen is buckled with the negative pressure cavity, the exhaust filter screen is matched with the air inlet filter screen, the rotating shaft is provided with an impeller, a dust guide bent pipe is arranged below the negative pressure cavity, and the dust guide bent pipe is connected with the dust guide pipe.

As a further optimization of the technical scheme, the dust suction port arranged at the bottom of the dust suction horizontal bar is downwards obliquely opposite to the curtain.

As a further optimization of the technical scheme, the dust guide bent pipe is of a type structure, and the air outlet is arranged upwards.

Advantageous effects

The novel projector curtain frame is reasonable in design and strong in functionality, and has the following beneficial effects:

the curtain is reeled and unreeled through the reel, the surface of the curtain is contacted with the cleaning brush arranged at the cloth inlet at the bottom of the frame in the reeling and unreeling process, floating dust on the surface of the curtain is cleaned through soft bristles at the front end of the cleaning brush, the floating dust is separated from the curtain, the floating dust floats around the curtain after being cleaned by the cleaning brush, the reel, the left dust suction seat and the right dust suction seat synchronously run in a linkage manner, air negative pressure is formed around the dust suction cross bars in the reeling and unreeling process of the curtain by the reel, air moves from bottom to top along the curtain under the action of the negative pressure, the floating dust floats around the curtain and is absorbed by the air negative pressure formed by the left dust suction seat and the right dust suction seat at the first time, and the floating dust is uniformly discharged from the room by utilizing the dust discharge corrugated pipe, so that the cleanliness and the shadow effect of the curtain in each use are improved;

the rotating shaft and the extension shaft are meshed through the bevel gear to realize linkage rotation, the impeller is arranged in the negative pressure cavity and connected with the rotating shaft, four air inlet filter screens are arranged on the outer ring in an annular wall shape under a hollow conical structure formed by the negative pressure cavity, two air exhaust filter screens are arranged on the top of the outer ring in parallel and equidistantly, dust can be prevented from being adsorbed on the surfaces of the air inlet filter screens, air negative pressure is generated in the negative pressure cavity during high-speed rotation of the impeller, air is sequentially introduced through the dust suction cross bar, the dust guide pipe and the dust guide bent pipe, floating dust enters the outer frame along with air, the dust guide main pipe is quickly discharged upwards along the inclined plane of the outer ring of the negative pressure cavity under a guide structure formed by the negative pressure cavity and the dust guide cover, and the floating dust is discharged out of.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a novel projector screen holder according to the present invention;

FIG. 2 is a schematic cross-sectional front view of the roll-to-roll cleaning apparatus of the present invention;

FIG. 3 is a schematic cross-sectional front view of the curtain winding and unwinding mechanism of the present invention;

FIG. 4 is a front sectional view of the dust removing and cleaning mechanism of the present invention;

FIG. 5 is a front sectional view of the left suction base of the present invention.

In the figure: the device comprises a right motor-1, a winding and unwinding cleaning device-2, a curtain winding and unwinding mechanism-21, a frame-21 a, a winding drum-21 b, an extension shaft-21 c, a cleaning brush-21 d, a dust guide pipe-21 e, a dust removal cleaning mechanism-22, a dust discharge corrugated pipe-22 a, a dust guide main pipe-22 b, a left dust suction seat-22 c, a dust guide cover-22 c1, an impeller-22 c2, an air inlet filter screen-22 c3, an outer frame-22 c4, a dust guide bent pipe-22 c5, a rotating shaft-22 c6, a negative pressure cavity-22 c7, an exhaust filter screen-22 c8, an exhaust one-way valve-22 d, a right dust suction seat-22 e, a dust suction cross bar-23, a left motor-3, a curtain-4 and a bearing cross bar-5.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.