CN215096629U

CN215096629U - Think political affairs classroom teaching and can remove little blackboard

Info

Publication number: CN215096629U
Application number: CN202121372191.6U
Authority: CN
Inventors: 黄磊; 许思
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-10
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a think political affairs classroom teaching and can remove little blackboard relates to show instrument technical field. The utility model comprises a mounting rack, wherein a blackboard body is arranged at the inner side of the mounting rack; a limiting component is arranged in front of the blackboard body; the inner side of the limiting component is provided with an eraser component; the limiting component comprises a limiting frame, and L-shaped plates are symmetrically arranged on the left and right of the limiting frame; a butt joint plate is arranged behind the L-shaped plate; the mounting rack comprises a bottom plate, and an electric push rod is fixed on the upper wall of the bottom plate; a battery is arranged behind the electric push rod and corresponds to the upper wall of the bottom plate; the eraser component comprises erasing cotton, and an operating board is arranged in front of the erasing cotton. The utility model discloses an enlarge the usable floor area of blackboard body, make the mounting bracket fix little blackboard, simultaneously through butt plate and wall butt, promote the stability when writing when having increased writing area, and carry on spacingly to the blackboard eraser component through stop component, prevent that the blackboard eraser component from losing.

Description

Think political affairs classroom teaching and can remove little blackboard

Technical Field

The utility model belongs to the technical field of the show instrument, especially, relate to a think political affairs classroom teaching and can remove little blackboard.

Background

The exhibition refers to the process of expanding content and realizing expected effects through perception, and is mainly used for information transmission, so that others can know the information to be exhibited, and in the educational work, the exhibition tool is also required to be used for transmitting the information to others, for example, in the process of thinking political classroom teaching, an educator writes a certain knowledge point to be explained on a small blackboard, so that a teacher can deeply explain the knowledge point, students can understand the knowledge point and record the knowledge point for later review, but the method still has the following disadvantages in the practical use:

1. at present, in order to carry a small blackboard conveniently, the writing area of the small blackboard is small generally, so that the small blackboard in the prior art has large limitation when being used;

2. when the existing small blackboard is used, the blackboard eraser is usually required to be used for erasing the blackboard, but the blackboard eraser is easy to lose due to the fact that a fixed storage place is not arranged after the blackboard eraser is used;

3. in the prior art, the stability of a small blackboard is poor when writing.

Therefore, the existing small blackboard cannot meet the requirement in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a think political affairs classroom teaching and can remove little blackboard, through the usable floor area who enlarges little blackboard body, make the mounting bracket fix little blackboard, simultaneously through butt plate and wall butt, promote the stability when writing when having increased the area of writing, and carry on spacingly to the blackboard eraser component through spacing component, the limitation of little blackboard when using of having solved among the prior art is great, current little blackboard is when using simultaneously, the blackboard eraser that uses with little blackboard cooperation is lost easily, and the relatively poor problem of current little blackboard stability when using.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a movable small blackboard for ideological and political affairs classroom teaching, which comprises a mounting rack, wherein a blackboard body is arranged at the inner side of the mounting rack, and the blackboard body is connected with a concave plate in a sliding way; a limiting component is arranged in front of the blackboard body; the inner side of the limiting component is provided with an eraser component; the limiting component comprises a limiting frame, and L-shaped plates are symmetrically arranged on the left and right of the limiting frame; a butt joint plate is arranged behind the L-shaped plate; the side walls of the left side and the right side of the limiting frame are rotatably connected with rollers; the mounting frame comprises a bottom plate, an electric push rod is fixed on the upper wall of the bottom plate, and the input end of the electric push rod is electrically connected with the battery through a conductive wire; a battery is arranged behind the electric push rod and corresponds to the upper wall of the bottom plate; the eraser component comprises erasing cotton, and an operating board is arranged in front of the erasing cotton.

Furthermore, an installation plate is fixed at the position of the power output end of the electric push rod corresponding to the rear wall of the blackboard body, and the power output end of the electric push rod is fixed on the lower surface of the installation plate; the outer part of the battery is fixed with a clip-shaped bulge corresponding to the upper wall of the bottom plate.

Furthermore, concave plates are symmetrically fixed on the left side and the right side of the blackboard body corresponding to the upper wall of the bottom plate, the blackboard body is positioned on the inner side of the concave plates, and the abutting plates are fixed on the rear wall of the concave plates; the upper ends of the two concave plates are fixed with connecting plates, and the connecting plates are located behind the blackboard body.

Furthermore, a reinforcing plate is fixed on the rear wall of the lower side of the concave plate, and the cross section of the reinforcing plate is arranged in a triangular shape; the lower wall of the reinforcing plate is fixed with the bottom plate; universal wheels are fixed at the four corner positions of the lower wall of the bottom plate.

Furthermore, limiting plates are fixed at the upper end and the lower end of the L-shaped plate; the L-shaped plates are fixed on the front walls of the corresponding concave plates; the inner side of each roller is fixed with a limiting bulge corresponding to the rear wall of each L-shaped plate, and each roller is located between each limiting bulge and the corresponding L-shaped plate.

Furthermore, a fixing plate is arranged behind the operating plate, and the erasing cotton is fixed on the rear wall of the fixing plate; the fixed plate is fixedly connected with the operating plate through the connecting rod, the connecting rod penetrates through the inner side of the limiting frame, and the width of the inner side of the limiting frame is slightly larger than the outer diameter of the connecting rod.

The utility model discloses following beneficial effect has:

1. the utility model enlarges the usable area of the blackboard body by arranging the mounting frame, the butt plate and the electric push rod, then the blackboard body is mounted by utilizing the mounting frame, when the blackboard body is used, because the usable area of the blackboard body is enlarged, the usable area of the blackboard body is more when writing, the blackboard body can move up and down by matching with the arrangement of the electric push rod, the blank part in the blackboard body can move to the height suitable for a teacher to write, so that the teacher can write, simultaneously, the rear end of the butt plate is abutted against the wall surface, when writing, the stability of the blackboard body is better, the phenomenon of shaking caused by insufficient stability of the blackboard body when writing can not occur, furthermore, the blackboard is convenient to move under the premise of keeping the area of writing certificates by arranging the rollers, compared with the prior art, this little blackboard not only makes the area of writing of blackboard body more, satisfies mr's the needs of writing, still satisfies little blackboard and is convenient for the purpose that removes, has again, has increased the stability of mr blackboard body when writing again through the butt joint board.

2. The utility model is provided with the blackboard eraser component and the limiting component, because the L-shaped plate in the limiting component is fixed with the concave plate, the limit frame can move relative to the blackboard body through the roller, meanwhile, the blackboard eraser component and the limit frame can move relative to each other, when the blackboard is erased, the surface of the blackboard body can be transversely erased by moving the operating board in the blackboard erasing component to move left and right, the surface of the blackboard body can be vertically erased by moving the operating plate in the eraser component up and down, so that the erasing cotton in the eraser member can completely or partially erase the surface of the blackboard body, compared with the prior art, the limiting member is utilized to limit the eraser member on the mounting frame, when the small blackboard is moved, the blackboard eraser component moves along, so that the condition that the blackboard eraser is easy to lose in the prior art can be prevented, and the small blackboard is convenient to use.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a right side view structural diagram of the present invention;

fig. 2 is a structural diagram of a rear view angle of the present invention;

FIG. 3 is a diagram of the connection structure of the limiting member and the right side view angle of the eraser member according to the present invention;

FIG. 4 is a diagram of the connection structure of the limiting member and the rear viewing angle of the eraser member according to the present invention;

fig. 5 is a connecting structure diagram of the L-shaped plate and the limiting protrusion of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a blackboard body; 101. mounting a plate; 2. an eraser member; 201. erasing cotton; 202. an operation panel; 203. a connecting rod; 204. a fixing plate; 3. a stop member; 301. a limiting plate; 302. an L-shaped plate; 3021. a limiting bulge; 303. a limiting frame; 304. a roller; 4. a battery; 5. a mounting frame; 501. a base plate; 5011. a clip-shaped protrusion; 5012. a universal wheel; 502. a butt joint plate; 503. a concave plate; 504. a connecting plate; 505. a reinforcing plate; 6. an electric push rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the utility model relates to a small movable blackboard for ideological and political affairs classroom teaching, which comprises a mounting frame 5, a blackboard body 1 is arranged at the inner side of the mounting frame 5, the blackboard body 1 is connected with a concave plate 503 in a sliding way, the blackboard body 1 in the small blackboard uses a small blackboard with a large area to satisfy the writing area of a teacher, and meanwhile, the blackboard body 1 is arranged on the mounting frame 5 and is matched with universal wheels 5012 to facilitate the small blackboard to move under the condition of satisfying the writing area; the limiting component 3 arranged in front of the blackboard body 1 can limit the blackboard eraser component 2; the blackboard eraser component 2 arranged on the inner side of the limiting component 3 moves along the inner side of the limiting frame 303; the limiting member 3 comprises a limiting frame 303, and L-shaped plates 302 symmetrically arranged on the left and right of the limiting frame 303 enable a roller 304 to move up and down along the inner sides of the L-shaped plates 302; a butt plate 502 is arranged behind the L-shaped plate 302, and when the small blackboard is used, the rear end of the butt plate 502 is butted with the wall surface, so that the stability in use is improved; the rollers 304 rotatably connected to the left and right side walls of the limit frame 303 enable the limit frame 303 to move up and down; the mounting frame 5 comprises a bottom plate 501, an electric push rod 6 fixed on the upper wall of the bottom plate 501 drives the mounting plate 101 to move up and down during working, and the input end of the electric push rod 6 is electrically connected with the battery 4 through a conductive wire; the battery 4 arranged at the rear of the electric push rod 6 corresponding to the upper wall of the bottom plate 501 can provide electric energy for the electric push rod 6; the blackboard erasing component 2 comprises erasing cotton 201, the erasing cotton 201 can erase the surface of the blackboard body 1, an operating board 202 is arranged in front of the erasing cotton 201, and the connecting rod 203 can move along the inner side of the limiting frame 303 by moving the operating board 202.

As shown in fig. 1 and 2, the blackboard body 1 can move up and down under the condition that the electric push rod 6 works, and the power output end of the electric push rod 6 is fixed on the lower surface of the mounting plate 101; the outer portion of the battery 4 corresponds to the clip-shaped protrusion 5011 fixed on the upper wall of the bottom plate 501, so that the battery 4 can be limited, and the battery 4 is prevented from being separated from the bottom plate 501 to cause damage.

The left side and the right side of the blackboard body 1 correspond to the concave plates 503 symmetrically fixed on the upper wall of the bottom plate 501, so that the blackboard body 1 moves along the concave plates 503 when the blackboard body 1 moves, the blackboard body 1 is positioned on the inner side of the concave plates 503, the abutting plate 502 is fixed on the rear wall of the concave plates 503, and when the abutting plate 502 is in contact with the wall surface, the blackboard body 1 is in a stable state when a teacher writes; the upper ends of the two concave plates 503 are fixed with a connecting plate 504, the connecting plate 504 is located behind the blackboard body 1, the stability between the two concave plates 503 can be enhanced by the arrangement of the connecting plate 504, and the situation that the two concave plates 503 are inclined is effectively avoided.

A reinforcing plate 505 is fixed on the rear wall of the lower side of the concave plate 503, and the cross section of the reinforcing plate 505 is arranged in a triangular shape; the lower wall of the reinforcing plate 505 is fixed with the bottom plate 501, and the arrangement of the reinforcing plate 505 can increase the stability of the concave plate 503 and the bottom plate 501 and avoid the concave plate 503 from being inclined; the universal wheels 5012 fixed at the four corners of the lower wall of the bottom plate 501 can facilitate the movement of the small blackboard.

As shown in fig. 1, 3, 4, and 5, the limiting plates 301 fixed at the upper and lower ends of the L-shaped plate 302 can prevent the roller 304 from separating from the inner side of the L-shaped plate 302; the L-shaped plates 302 are fixed on the front walls of the corresponding concave plates 503; the roller 304 is limited by a limiting protrusion 3021 fixed on the inner side of the roller 304 corresponding to the rear wall of the L-shaped plate 302, so that the roller 304 moves up and down along the L-shaped plate 302, and the roller 304 is located between the limiting protrusion 3021 and the corresponding L-shaped plate 302.

A fixing plate 204 is arranged behind the operating plate 202, and the erasing cotton 201 is fixed on the rear wall of the fixing plate 204; the fixing plate 204 is fixedly connected with the operating plate 202 through the connecting rod 203, the connecting rod 203 penetrates through the inner side of the limiting frame 303, the width of the inner side of the limiting frame 303 is slightly larger than the outer diameter of the connecting rod 203, the connecting rod 203 can be located on the inner side of the limiting frame 303 to move, when the operating plate 202 is moved, the operating plate 202 moves to enable the connecting rod 203 and the fixing plate 204 to move, then the erasing cotton 201 moves, and the surface of the blackboard body 1 is erased.

One specific application of this embodiment is: in the small blackboard, a large-area small blackboard is adopted, the usable area of the blackboard body 1 is larger during writing, the blackboard body 1 can move up and down by matching with the arrangement of the electric push rod 6, after the blank part in the blackboard body 1 is moved to the height suitable for a teacher to write, the teacher can write, and at the same time, the back end of the abutting plate 502 abuts against the wall surface, when writing, the stability of the blackboard body 1 is better, when the small blackboard needs to be moved, the small blackboard can be moved by operating the mounting rack 5 under the action of the roller 304, when the blackboard body 1 needs to be erased, the surface of the blackboard body 1 can be laterally erased by moving the operation panel 202 in the eraser member 2 left and right, the surface of the blackboard body 1 can be vertically erased by moving the operation plate 202 in the eraser member 2 up and down, so that the erasing cotton 201 in the eraser member 2 can perform a full or partial erasing operation on the surface of the blackboard body 1.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. The utility model provides a think political affairs classroom teaching and can remove little blackboard, includes mounting bracket (5), its characterized in that: the blackboard body (1) is arranged on the inner side of the mounting rack (5); a limiting component (3) is arranged in front of the blackboard body (1); the inner side of the limiting component (3) is provided with an eraser component (2);

the limiting component (3) comprises a limiting frame (303), and L-shaped plates (302) are symmetrically arranged on the left and right of the limiting frame (303); a butt joint plate (502) is arranged behind the L-shaped plate (302); the side walls of the left side and the right side of the limiting frame (303) are rotatably connected with rollers (304);

the mounting rack (5) comprises a bottom plate (501), and an electric push rod (6) is fixed on the upper wall of the bottom plate (501); a battery (4) is arranged behind the electric push rod (6) and corresponds to the upper wall of the bottom plate (501);

the eraser component (2) comprises erasing cotton (201), and an operating plate (202) is arranged in front of the erasing cotton (201).

2. The movable small blackboard for ideological and political classroom teaching according to claim 1, wherein the power output end of the electric push rod (6) is fixed with a mounting plate (101) corresponding to the rear wall of the blackboard body (1), and the power output end of the electric push rod (6) is fixed on the lower surface of the mounting plate (101); the outer part of the battery (4) is fixed with a clip-shaped bulge (5011) corresponding to the upper wall of the bottom plate (501).

3. The small movable blackboard for ideological and political classroom teaching according to claim 1, wherein the blackboard body (1) is symmetrically fixed with concave plates (503) at the left and right sides corresponding to the upper wall of the bottom plate (501), and the abutting plate (502) is fixed on the rear wall of the concave plate (503); the upper ends of the two concave plates (503) are fixed with connecting plates (504), and the connecting plates (504) are positioned behind the blackboard body (1).

4. The small movable blackboard for ideological and political classroom teaching according to claim 3, wherein, a reinforcing plate (505) is fixed on the rear wall of the lower side of the concave plate (503), and the cross section of the reinforcing plate (505) is arranged in a triangle; the lower wall of the reinforcing plate (505) is fixed with the bottom plate (501); universal wheels (5012) are fixed at four corner positions of the lower wall of the bottom plate (501).

5. The small movable blackboard for ideological and political classroom teaching according to claim 1, wherein the upper and lower ends of the L-shaped board (302) are fixed with a limiting board (301); the L-shaped plates (302) are fixed on the front walls of the corresponding concave plates (503); the inner side of the roller (304) is fixed with a limiting bulge (3021) corresponding to the rear wall of the L-shaped plate (302), and the roller (304) is positioned between the limiting bulge (3021) and the corresponding L-shaped plate (302).

6. The small movable blackboard for ideological and political classroom teaching according to claim 1, wherein the operation board (202) is provided with a fixing board (204) at the rear, and the erasing cotton (201) is fixed on the rear wall of the fixing board (204); the fixing plate (204) is fixedly connected with the operating plate (202) through a connecting rod (203), and the connecting rod (203) penetrates through the inner side of the limiting frame (303).