CN210954595U

CN210954595U - Chinese teaching auxiliary teaching aid

Info

Publication number: CN210954595U
Application number: CN201922175393.0U
Authority: CN
Inventors: 彭恬静
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-07-07
Anticipated expiration: 2029-12-08

Abstract

The utility model relates to a teaching equipment technical field especially relates to a chinese teaching assistance teaching aid, including the rolling casing, lead screw and first cylinder, rotate in the rolling casing and be connected with the reel that receive and releases, the winding has projection cloth on the reel that receives and releases, and the below of rolling casing has seted up the under shed, the lead screw rotates to be connected in the rolling casing, and screw-thread fit has the screw thread seat on the lead screw, there is the electric fan through bolted connection on the screw thread seat, first cylinder sets up on the positive wall of rolling casing, and the end of piston rod is equipped with the brush in the first cylinder, the under shed is close to and is equipped with the second cylinder in receiving and releasing the inner wall of reel one side, and the end of piston rod is equipped with the brush in the second cylinder, the length of brush. The utility model provides a brush can be when the rolling of projection cloth, and the positive and negative two sides with projection cloth is light to be brushed totally, has thoroughly detached the dust on surface, has avoided the dust to influence the projection effect to need not artifical clearance, labour saving and time saving.

Description

Chinese teaching auxiliary teaching aid

Technical Field

The utility model relates to a teaching equipment technical field especially relates to a chinese teaching assistance teaching aid.

Background

With the continuous development of society and the continuous progress of science and technology, equipment in various industries is continuously updated and perfected, and higher efficiency and benefit are sequentially achieved. However, for the teaching work of Chinese, the teaching equipment is also continuously updated, and reasonable teaching equipment is needed to assist teachers to complete teaching tasks or assist students to learn knowledge. At present when teaching, all can use the projection curtain basically, and the dust is scraped up easily after current projection cloth uses for a long time, can influence the projection effect, and then influences the teaching quality, if the manual work goes the inconvenience of clearance again ten minutes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a Chinese teaching aid.

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

the utility model provides a chinese teaching assistance teaching aid, includes rolling casing, lead screw and first cylinder, it has the reel that receive and releases to rotate to be connected with in the rolling casing, the winding has projection cloth on receiving and releasing the reel, and the below of rolling casing has seted up the under shed, the lead screw rotates to be connected in the rolling casing, and screw-thread fit has the screw thread seat on the lead screw, there is the electric fan through bolted connection on the screw thread seat, first cylinder sets up on the positive wall of rolling casing, and the end of piston rod is equipped with the brush in the first cylinder.

Preferably, a second cylinder is arranged in the inner wall of one side, close to the winding drum, of the lower opening, and a brush is arranged at the tail end of a piston rod in the second cylinder.

Preferably, the length of the brush is equal to the width of the projection cloth.

Preferably, the tail end of the projection cloth is provided with a lower cross bar.

Preferably, one side in the winding shell is provided with a first motor, and an output shaft of the first motor is connected with a rotating shaft in the winding and unwinding drum through a coupler.

Preferably, one side in the rolling shell is provided with a second motor, and an output shaft of the second motor is connected with the screw rod through a coupler.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a brush can be when the rolling of projection cloth, and the positive and negative two sides with projection cloth is light to be brushed totally, has thoroughly detached the dust on surface, has avoided the dust to influence the projection effect to need not artifical clearance, labour saving and time saving.

2. The electric fan can transversely move, and the electric fan blows air to the surface of the whole projection cloth, so that the dust removal effect is achieved.

Drawings

Fig. 1 is a schematic view of a main-view section structure of an auxiliary teaching aid for Chinese teaching according to the present invention;

fig. 2 is a schematic side view of a cross-sectional structure of a Chinese teaching aid according to the present invention;

fig. 3 is the utility model provides a chinese teaching auxiliary teaching aid's brush overlooks the schematic structure.

In the figure: the electric fan comprises a winding shell 1, a winding and unwinding drum 2, a rotating shaft 3, projection cloth 4, a first motor 5, a lower opening 6, a lower cross bar 7, a lead screw 8, a second motor 9, a first cylinder 10, a second cylinder 11, a hairbrush 13, a threaded seat 14 and an electric fan 15.

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 chinese teaching aid, including rolling casing 1, lead screw 8 and first cylinder 10, swivelling joint has winding reel 2 in the rolling casing 1, the winding has projection cloth 4 on winding reel 2, and lower shed 6 has been seted up to the below of rolling casing 1, lead screw 8 rotates and connects in rolling casing 1, and screw-thread fit has screw thread seat 14 on the lead screw 8, there is electric fan 3 through bolted connection on the screw thread seat 14, first cylinder 10 sets up on the positive wall of rolling casing 1, and the end of piston rod is equipped with brush 13 in the first cylinder 10, the end of projection cloth 4 is equipped with sheer pole 7.

Wherein, be equipped with second cylinder 11 in the inner wall that lower opening 6 is close to winding drum 2 one side of receiving and releasing, and the end of piston rod is equipped with brush 13 in the second cylinder 11, and the length of brush 13 equals the width of projection cloth 4, opens first cylinder 10 and second cylinder 11, and first cylinder 10 and second cylinder 11 drive brush 13 are laminated respectively on the positive and negative two sides of projection cloth 4.

One side in the winding shell 1 is provided with a first motor 5, an output shaft of the first motor 5 is connected with a rotating shaft in the winding and unwinding drum 2 through a coupler, the first motor 5 is started, and the winding and unwinding drum 2 is driven to rotate by the first motor 5, so that the winding and unwinding of the projection cloth 4 are controlled.

One side in the rolling shell 1 is provided with a second motor 9, an output shaft of the second motor 9 is connected with the screw rod 8 through a coupler, the second motor 9 is started, the screw rod 8 is driven to rotate by the second motor 9, the threaded seat 14 moves on the screw rod 8, the electric fan 3 moves along with the screw rod, and the electric fan 3 blows air to the surface of the whole projection cloth 4, so that the dust removal effect is achieved.

Example (b): the first motor 5 is started, the first motor 5 drives the winding drum 2 to rotate, so that the winding and unwinding of the projection cloth 4 are controlled, when the projection cloth 4 is wound, the first cylinder 10 and the second cylinder 11 are started, the first cylinder 10 and the second cylinder 11 drive the hairbrush 13 to be respectively attached to the front side and the back side of the projection cloth 4, the hairbrush 13 can lightly brush the front side and the back side of the projection cloth 4 completely to remove dust on the surface, the second motor 9 is started, the second motor 9 drives the screw rod 8 to rotate, the threaded seat 14 moves on the screw rod 8, the electric fan 3 moves along with the electric fan, the electric fan 3 blows air to the surface of the whole projection cloth 4, and the dust removal effect is achieved.

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. A chinese teaching aid, its characterized in that includes:

the projection cloth winding machine comprises a winding shell (1), wherein a winding and unwinding drum (2) is rotatably connected in the winding shell (1), projection cloth (4) is wound on the winding and unwinding drum (2), and a lower opening (6) is formed below the winding shell (1);

the winding device comprises a winding shell (1), a screw rod (8), a threaded seat (14) and an electric fan (3), wherein the screw rod (8) is rotatably connected in the winding shell (1), the threaded seat (14) is in threaded fit with the screw rod (8), and the electric fan (3) is connected to the threaded seat (14) through a bolt; and

the winding device comprises a first cylinder (10), wherein the first cylinder (10) is arranged on the wall surface of the front surface of the winding shell (1), and a brush (13) is arranged at the tail end of a piston rod in the first cylinder (10).

2. A language teaching aid as claimed in claim 1, wherein a second cylinder (11) is provided in the inner wall of the lower opening (6) on the side close to the winding drum (2), and a brush (13) is provided at the end of the piston rod in the second cylinder (11).

3. A teaching aid as claimed in claim 2, wherein the length of the brush (13) is equal to the width of the projection cloth (4).

4. A language teaching aid as claimed in claim 1, wherein the projection cloth (4) is provided at its distal end with a bottom rail (7).

5. A language teaching aid as claimed in claim 1, wherein a first motor (5) is provided on one side of the winding housing (1), and the output shaft of the first motor (5) is connected to the rotating shaft of the winding and unwinding reel (2) via a coupling.

6. A language teaching aid as claimed in claim 1, wherein a second motor (9) is provided on one side of the winding case (1), and an output shaft of the second motor (9) is connected to the screw rod (8) through a coupling.