CN211293594U

CN211293594U - English teaching is with projecting apparatus curtain of automatic clearance dust

Info

Publication number: CN211293594U
Application number: CN202020140106.2U
Authority: CN
Inventors: 李光
Original assignee: Heilongjiang Institute of Technology
Current assignee: Heilongjiang Institute of Technology
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-08-18
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses an english teaching is with projecting apparatus curtain of automatic clearance dust, including the main casing body, projection curtain, motor and electric telescopic handle, the internally mounted of the main casing body has the winding axle, and the outside of winding axle installs the projection curtain to the below that the projection curtain runs through the main casing body is connected with the counterweight rod, the motor is installed to the right side bolt of the main casing body, and the output of motor is connected with the winding axle through the shaft coupling, the couple has all been welded to the left and right sides top of the main casing body, and the rear surface bolt of the main casing body installs the mounting panel, the inside top of installation piece is provided with the slide bar, the spout has been seted up to the below of second slide rail, and the spout setting is in the outside of slide bar. This automatic projecting apparatus curtain of clearance dust is provided with operation board and second slide rail, and at the in-process that uses, the effectual both sides face to the projection curtain of fine brush and the effectual dust removal processing of thick brush on operation board surface for the device has the function of good automatic clearance dust.

Description

English teaching is with projecting apparatus curtain of automatic clearance dust

Technical Field

The utility model relates to a projecting apparatus curtain technical field specifically is an automatic projecting apparatus curtain of clearing up dust for english teaching.

Background

In the field of English teaching, a projector curtain is an auxiliary device which is matched with a projector to display movie and television data in electronic equipment, and is similar to a screen, but the existing projector curtain still has certain problems in the using process;

the in-process of current projecting apparatus curtain using for a long time, its projecting apparatus curtain surface can glue many dusts, and this subsequent use of very big influence, the in-process that current projecting apparatus curtain used does not possess the function of removing dust simultaneously, leads to using the follow-up manual work of a period to wash the projecting apparatus curtain, has caused the inconvenience that the projecting apparatus curtain used.

We have therefore proposed a projector curtain for english teaching that automatically cleans up dust in order to solve the problems set forth above.

Disclosure of Invention

An object of the utility model is to provide an english teaching is with projecting apparatus curtain of automatic clearance dust to solve the problem that the projecting apparatus curtain does not possess automatic dust removal on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a projector curtain capable of automatically cleaning dust for English teaching comprises a main shell, a projection curtain, a motor and an electric telescopic rod, wherein a winding shaft is arranged inside the main shell, the projection curtain is arranged outside the winding shaft, a counterweight rod is connected below the projection curtain penetrating through the main shell, the motor is arranged on a bolt on the right side of the main shell, the output end of the motor is connected with the winding shaft through a coupler, hooks are welded above the left side and the right side of the main shell, a mounting plate is arranged on the rear surface of the main shell through bolts, a first slide rail is welded below the rear side of the main shell, a mounting block is welded below the front side of the main shell, the electric telescopic rod is arranged on the inner bolt of the mounting block, a second slide rail is arranged on a movable end bolt of the electric telescopic rod, and sliding blocks are arranged inside the second slide rail and the first slide rail, and the handle is installed to the end of slider, the outside of slider is provided with the operation board, and the surface of operation board all installs thin brush and thick brush to thick brush is located the below of thin brush, the inside top of installation piece is provided with the slide bar, the spout has been seted up to the below of second slide rail, and the spout setting is in the outside of slide bar.

Preferably, the projection curtain penetrates through the adjacent working plates, the left-right length of the projection curtain is smaller than that of the working plates, 2 working plates are arranged, and the working plates are parallel to each other.

Preferably, the first slide rail is arranged below the mounting plate, the rear surface of the mounting plate is perpendicular to the rear surface of the first slide rail, and the first slide rail is connected with the slide block in a sliding manner.

Preferably, the slider is in a T-shaped structure, the slider and the operation plate are in an integrated structure, and the left length and the right length of the slider are equal to the left length and the right length of the first slide rail.

Preferably, the slide bars are equidistantly distributed on the mounting blocks, the mounting blocks are of L-shaped structures, and the slide bars and the sliding grooves are in one-to-one correspondence.

Preferably, the second slide rail is the same as the first slide rail in internal structure, and the second slide rail passes through electric telescopic handle to constitute sliding structure to electric telescopic handle equidistance distributes on the installation piece.

Compared with the prior art, the beneficial effects of the utility model are that: the projector curtain automatically cleaning dust;

1. the device is provided with the operation plates and the second slide rails, in the using process, the fine hairbrush and the coarse hairbrush on the surface of the operation plate effectively remove dust on two side surfaces of the projection screen, so that the device has a good function of automatically cleaning dust, and meanwhile, the second slide rails form a sliding structure through the electric telescopic rods, so that the distance between every two adjacent operation plates is effectively controlled, the projection screen is conveniently unfolded and cleaned of dust, and the practicability of the device is greatly improved;

2. be provided with first slide rail, slider and second slide rail, adopt the slider design of "T" shape structure, the use of cooperation sliding structure for the slider can be stable slide in first slide rail and second slide rail inside, thereby very big has made things convenient for the dismantlement of slider and operation board, and then conveniently washs the practicality of increase device to thin brush and the thick brush on the operation board.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of a second slide rail structure of the present invention.

In the figure: 1. a main housing; 2. a winding shaft; 3. a projection screen; 4. a weight lever; 5. a motor; 6. hooking; 7. mounting a plate; 8. a first slide rail; 9. a slider; 10. an operation plate; 11. a fine brush; 12. a coarse brush; 13. mounting blocks; 14. an electric telescopic rod; 15. a slide bar; 16. a second slide rail; 17. a chute; 18. a handle.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a projector curtain capable of automatically cleaning dust for English teaching comprises a main shell 1, a winding shaft 2, a projection curtain 3, a balance weight rod 4, a motor 5, a hook 6, a mounting plate 7, a first slide rail 8, a slide block 9, an operation plate 10, a fine hair brush 11, a coarse hair brush 12, a mounting block 13, an electric telescopic rod 14, a slide rod 15, a second slide rail 16, a slide groove 17 and a handle 18, wherein the winding shaft 2 is mounted inside the main shell 1, the projection curtain 3 is mounted on the outer side of the winding shaft 2, the balance weight rod 4 is connected to the projection curtain 3 penetrating through the lower part of the main shell 1, the motor 5 is mounted on a right bolt of the main shell 1, the output end of the motor 5 is connected with the winding shaft 2 through a coupler, the hook 6 is welded on the upper parts of the left side and the right side of the main shell 1, the mounting plate 7 is mounted on a rear surface bolt of the main shell 1, the, and the welding of the place ahead below of main casing body 1 has installation piece 13, and electric telescopic handle 14 is installed to the inside bolt of installation piece 13, second slide rail 16 is installed to electric telescopic handle 14's expansion end bolt, and slider 9 is all installed to the inside of second slide rail 16 and first slide rail 8, and handle 18 is installed to the end of slider 9, the outside of slider 9 is provided with operation board 10, and thin brush 11 and thick brush 12 are all installed to the surface of operation board 10, and thick brush 12 is located the below of thin brush 11, the inside top of installation piece 13 is provided with slide bar 15, spout 17 has been seted up to the below of second slide rail 16, and spout 17 sets up the outside at slide bar 15.

The projection curtain 3 runs through between the adjacent operation boards 10, the left length and the right length of the projection curtain 3 are smaller than the left length and the right length of the operation boards 10, the number of the operation boards 10 is 2, and meanwhile, the operation boards 10 are parallel to each other with the operation boards 10, and due to the design of the structure, the projection curtain 3 is effectively dedusted by the fine hairbrush 11 and the coarse hairbrush 12 on the operation boards 10, and the normal use of the device is ensured.

First slide rail 8 sets up in the below of mounting panel 7, and the rear surface mutually perpendicular of mounting panel 7's rear surface and first slide rail 8, and first slide rail 8 is sliding connection with slider 9 simultaneously, and the establishment of above-mentioned structure has ensured the normal installation of device, and sliding connection's design simultaneously is convenient for the dismantlement of operation board 10 to the convenience is washd fine brush 11 and coarse brush 12.

The slider 9 is "T" shape structure, and slider 9 and operation board 10 be integrated structure to length about slider 9 equals about first slide rail 8 length, increases gliding stability, improves the practicality of device.

The slide bars 15 are equidistantly distributed on the mounting block 13, the mounting block 13 is in an L-shaped structure, the slide bars 15 and the slide grooves 17 are in one-to-one correspondence, and the stability of the sliding of the second slide rail 16 is improved due to the design of the structure.

The second slide rail 16 is the same as the first slide rail 8 in internal structure, and the second slide rail 16 constitutes sliding structure through electric telescopic handle 14 to electric telescopic handle 14 equidistance distributes on installation piece 13, and the interval between two adjacent operation boards 10 is convenient for adjust in gliding design, thereby conveniently controls the expansion and the clearance of projection curtain 3.

The working principle is as follows: in using the projector curtain for automatically cleaning dust, first, as shown in fig. 1 to 2, the apparatus is mounted at a proper position by a hook 6 or a mounting plate 7, and then the power supply of the apparatus is connected to the power grid, thereby starting to be used.

In the using process, as shown in fig. 1-2, firstly, the electric telescopic rod 14 is started, so that the electric telescopic rod 14 drives the second slide rail 16 to slide, and simultaneously, as shown in fig. 3, the second slide rail 16 stably slides under the action of the slide bar 15 and the slide groove 17, so that the distance between two adjacent operation plates 10 is effectively adjusted, then, the motor 5 is started, so that the motor 5 drives the winding shaft 2 to rotate, and meanwhile, as shown in fig. 1-2, the projection curtain 3 moves downwards under the action of the counterweight rod 4, so that the projection curtain 3 is unfolded, and then the projection operation is started;

after the projection operation, as shown in fig. 1-3, the distance between two adjacent operation plates 10 is reduced by starting the electric telescopic rod 14, so that the fine hair brush 11 and the coarse hair brush 12 on the operation plates 10 are in contact with the projection curtain 3, then the motor 5 is started, so that the winding shaft 2 is driven to perform the winding operation of the projection curtain 3, and meanwhile, the projection curtain 3 is in contact with the coarse hair brush 12 and the fine hair brush 11 in sequence in the moving process, so that the dust removal operation is effectively performed on the surface of the projection curtain 3;

after a period of use, as shown in fig. 2-3, the slide rod 15 can be pulled by the handle 18 to slide inside the first slide rail 8 and the second slide rail 16, so that the two work boards 10 can be disassembled, and the fine hair brush 11 and the coarse hair brush 12 can be cleaned conveniently.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an english teaching is with projecting apparatus curtain of automatic clearance dust, includes main casing body (1), projection curtain (3), motor (5) and electric telescopic handle (14), its characterized in that: the novel screen comprises a main shell body (1), wherein a winding shaft (2) is arranged inside the main shell body (1), a projection screen (3) is arranged on the outer side of the winding shaft (2), a balance weight rod (4) is connected below the projection screen (3) penetrating through the main shell body (1), a motor (5) is installed on a right bolt of the main shell body (1), the output end of the motor (5) is connected with the winding shaft (2) through a coupler, hooks (6) are welded above the left side and the right side of the main shell body (1), a mounting plate (7) is installed on the rear surface of the main shell body (1), a first sliding rail (8) is welded below the rear side of the main shell body (1), a mounting block (13) is welded below the front side of the main shell body (1), an electric telescopic rod (14) is installed on an inner bolt of the mounting block (13), a second sliding rail (16), and slider (9) are all installed to the inside of second slide rail (16) and first slide rail (8) to handle (18) are installed to the end of slider (9), the outside of slider (9) is provided with operation board (10), and the surface of operation board (10) all installs thin brush (11) and thick brush (12) to thick brush (12) are located the below of thin brush (11), the inside top of installation piece (13) is provided with slide bar (15), spout (17) have been seted up to the below of second slide rail (16), and spout (17) set up in the outside of slide bar (15).

2. The projector curtain capable of automatically cleaning dust for English teaching of claim 1, wherein: the projection curtain (3) penetrates between the adjacent operation plates (10), the left length and the right length of the projection curtain (3) are smaller than the left length and the right length of the operation plates (10), the number of the operation plates (10) is 2, and the operation plates (10) are parallel to each other.

3. The projector curtain capable of automatically cleaning dust for English teaching of claim 1, wherein: first slide rail (8) set up in the below of mounting panel (7), and the rear surface mutually perpendicular of the rear surface of mounting panel (7) and first slide rail (8), and first slide rail (8) are sliding connection with slider (9) simultaneously.

4. The projector curtain capable of automatically cleaning dust for English teaching of claim 1, wherein: the sliding block (9) is of a T-shaped structure, the sliding block (9) and the operation plate (10) are of an integrated structure, and the left length and the right length of the sliding block (9) are equal to those of the first sliding rail (8).

5. The projector curtain capable of automatically cleaning dust for English teaching of claim 1, wherein: the slide bars (15) are distributed on the mounting blocks (13) at equal intervals, the mounting blocks (13) are of L-shaped structures, and the slide bars (15) and the sliding grooves (17) are in one-to-one correspondence.

6. The projector curtain capable of automatically cleaning dust for English teaching of claim 1, wherein: the second sliding rail (16) and the first sliding rail (8) are identical in internal structure, the second sliding rail (16) forms a sliding structure through an electric telescopic rod (14), and the electric telescopic rods (14) are distributed on the mounting block (13) at equal intervals.