CN219055827U

CN219055827U - Teaching blackboard convenient to wipe

Info

Publication number: CN219055827U
Application number: CN202222845149.2U
Authority: CN
Inventors: 蔡迪阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-23
Anticipated expiration: 2032-10-27

Abstract

The utility model provides a convenient-to-wipe teaching blackboard, which belongs to the technical field of teaching blackboards and comprises a bottom plate body, wherein a frame body is fixedly connected to the periphery of the bottom plate body, convex arc length blocks are fixedly connected to the inner top surface and the inner bottom surface of the frame body, a plurality of fixing plates are fixedly connected to the outer side surface of the frame body, an outer plate body is connected to the convex arc length blocks in a sliding manner, a convenient wiping mechanism is connected to the outer plate body, the convex arc length blocks are close to the front edge opening of the frame body, connecting ports are arranged on the fixing plates, and the fixing plates are respectively arranged at the two ends of the outer side of the top surface of the frame body and the two ends of the left outer side surface and the right outer side surface of the frame body. According to the utility model, the outer plate body slides on the convex arc long block, so that the writing area on the front surface of the bottom plate body is replaced, the writing area is increased, the utilization efficiency of the device is improved, the wiping plate is controllably contacted with the bottom plate body, the bottom plate body is successfully wiped and cleaned conveniently and efficiently, the structure is simple, the operation is convenient, and the device is suitable for popularization and use.

Description

Teaching blackboard convenient to wipe

Technical Field

The utility model relates to the technical field of teaching blackboards, in particular to a teaching blackboard convenient to wipe.

Background

At present, a teaching blackboard is a writing board fixed on a wall, is usually written by chalk, and is matched with a blackboard eraser to be wiped in time so as to be rewritten.

However, the writing area of the existing teaching blackboard is usually only one side of the front surface of the writing board, the using area is limited, the display efficiency is low, and the blackboard is usually wiped manually by using a blackboard eraser, so that a teacher who is in class wipes the blackboard, the time and the labor are relatively wasted, the operation is inconvenient, and therefore, the teaching blackboard convenient to wipe is provided.

Disclosure of Invention

In order to make up for the defects, the utility model provides a teaching blackboard convenient to wipe, and aims to solve the problem of time and labor waste in the conventional teaching blackboard wiping process.

The utility model is realized in the following way:

the utility model provides a convenient-to-wipe teaching blackboard which comprises a bottom plate body, wherein a frame body is fixedly connected to the periphery of the bottom plate body, convex arc long blocks are fixedly connected to the inner top surface and the inner bottom surface of the frame body, a plurality of fixing plates are fixedly connected to the outer side surface of the frame body, an outer plate body is slidably connected to the convex arc long blocks, and a convenient wiping mechanism is connected to the outer plate body.

According to the technical scheme, the outer plate body slides on the convex arc long block, so that the writing area on the front surface of the bottom plate body is changed, the writing area is increased, the wiping plate is controllably contacted with the bottom plate body, and the bottom plate body is cleaned conveniently and efficiently.

Preferably, the convex arc length block is close to the front edge opening of the frame body, the fixing plate is provided with a connecting port, and the fixing plate is respectively arranged at the two ends of the outer side of the top surface of the frame body and the two ends of the left and right outer side surfaces.

According to the technical scheme, the device is favorable for being fixed on the wall through the bolt matched with the fixing plate in the prior art.

Preferably, the convenient wiping mechanism comprises arc groove openings formed in the top surface and the bottom surface of the outer plate body, threaded connection holes are formed in the left end and the right end of the front surface of the outer plate body, and an inner notch is formed in the back surface of the outer plate body.

According to the technical scheme, the contact of the wiping board with the base plate body is realized.

Preferably, the side wall sliding connection of interior notch has the board of rubbing, and both ends department has all been seted up about the front of the board of rubbing and has been rotated the mouth, and the lower cavity of rotating has been seted up to the bottom of going up the mouth of rotating, and the inside rotation in lower cavity is connected with the chassis piece, and the top fixedly connected with threaded rod of chassis piece.

Preferably, the threaded rod passes through the upper rotating opening, and the threaded rod is in threaded connection with the inner wall of the threaded connection hole.

Preferably, one end of the threaded rod, which is far away from the upper rotating opening, is fixedly connected with a spanner block, and the side wall of the spanner block is provided with a through opening.

According to the technical scheme, a user can conveniently pull the pulling block through the through hole.

The beneficial effects of the utility model are as follows:

the outer plate body slides on the convex arc long block, so that the writing area on the front surface of the bottom plate body is replaced, the writing area is increased, the utilization efficiency of the device is improved, the wiping plate is controllably contacted with the bottom plate body, the bottom plate body is successfully wiped and cleaned conveniently and efficiently, the structure is simple, the operation is convenient, and the device is suitable for popularization and use; the outer plate body can be used for writing important blackboard writing contents, the outer plate body can be used for writing contents with longer display time and contents requiring memory of students, students can conveniently and repeatedly watch and memorize the contents, and the temporary blackboard writing contents can be written on the bottom plate body, so that quick wiping can be realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a teaching blackboard with convenient wiping according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of connection between a chassis block and a threaded rod in a teaching blackboard with convenient wiping according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of communication between a lower rotating cavity and an upper rotating port in a teaching blackboard with convenient wiping according to an embodiment of the present utility model;

in the figure: 1. a base plate body; 101. a frame; 102. a convex arc long block; 103. a fixing plate; 2. an outer plate body; 201. an arc groove opening; 202. a threaded connection hole; 203. an inner recess; 3. a rubbing plate; 301. a lower rotating chamber; 302. an upper rotating port; 4. a threaded rod; 401. pulling blocks; 402. a chassis block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, a convenient teaching blackboard of wiping includes a bottom plate body 1, a frame body 101 is fixedly connected with the periphery of the bottom plate body 1, convex arc length blocks 102 are fixedly connected with the inner top surface and the inner bottom surface of the frame body 101, a plurality of fixed plates 103 are fixedly connected with the outer side surface of the frame body 101, an outer plate body 2 is slidably connected with the convex arc length blocks 102, and a convenient wiping mechanism is connected with the outer plate body 2.

It should be noted that, the convex arc length block 102 is close to the front edge opening of the frame 101, the fixing plate 103 is provided with a connection port, and the fixing plate 103 is respectively disposed at two ends of the outer side of the top surface of the frame 101 and two ends of the left and right outer side surfaces.

The convenient wiping mechanism comprises an arc groove opening 201 formed in the top surface and the bottom surface of the outer plate body 2, wherein what needs to be supplemented is that the convex arc long block 102 is in sliding connection with the inner wall of the arc groove opening 201, so that the front writing area of the bottom plate body 1 is replaced conveniently, the writing area is increased, the utilization efficiency of the device is improved, threaded connection holes 202 are formed in the left end and the right end of the front surface of the outer plate body 2, and an inner notch 203 is formed in the back surface of the outer plate body 2.

Wherein, the lateral wall sliding connection of interior notch 203 has the wipe board 3, and both ends department has all been seted up on the front of wipe board 3 about, and lower rotation chamber 301 has been seted up to the bottom of going up rotation mouth 302, and the inside rotation in lower rotation chamber 301 is connected with chassis piece 402, and the top fixedly connected with threaded rod 4 of chassis piece 402.

The convenient wiping mechanism is arranged, the wiping plate 3 is controllably contacted with the bottom plate body 1, convenient and efficient wiping and cleaning of the bottom plate body 1 are successfully realized, the structure is simple, the operation is convenient, and the cleaning device is suitable for popularization and use.

Further, the threaded rod 4 passes through the upper rotating opening 302, the threaded rod 4 is in threaded connection with the inner wall of the threaded connection hole 202, preferably, one end of the threaded rod 4 away from the upper rotating opening 302 is fixedly connected with a spanner block 401, and the side wall of the spanner block 401 is provided with a through hole.

The working principle of the teaching blackboard convenient to wipe is as follows:

when the device is used, first, the device is fixedly connected to a wall surface by a bolt or the like in the prior art and a fixing plate 103.

The user can write in the front of the bottom plate body 1 and the outer plate body 2, and in the use, the outer plate body 2 is pulled through the pulling block 401 for the outer plate body 2 slides on the convex arc length block 102, so that the front writing area of the bottom plate body 1 is replaced, the writing area is increased, and the utilization efficiency of the device is improved.

The user can rotate the trigger block 401 through the through hole, so that the threaded rod 4 starts to rotate, and then the chassis block 402 is driven to rotate in the lower rotating cavity 301, and because the threaded rod 4 is in threaded connection with the threaded connection hole 202, the threaded rod 4 starts to move towards the inside of the outer plate body 2, and then the wiping plate 3 is in contact with the front surface of the bottom plate body 1, at the moment, the outer plate body 2 is pulled again through the trigger block 401, the outer plate body 2 slides on the convex arc length block 102, handwriting written on the front surface of the bottom plate body 1 can be wiped, and therefore quick and efficient wiping and cleaning are realized.

It should be noted that, the outer board body 2 can write important blackboard writing content, for the content that the show time is longer and the content that needs student's memory is written on the outer board body 2, can make things convenient for the student to watch the memory repeatedly, write on the bottom board body 1 to the content of interim blackboard writing, can realize quick wiping.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The teaching blackboard convenient to wipe is characterized by comprising a bottom plate body (1), wherein a frame body (101) is fixedly connected to the periphery of the bottom plate body (1), convex arc long blocks (102) are fixedly connected to the inner top surface and the inner bottom surface of the frame body (101), and a plurality of fixing plates (103) are fixedly connected to the outer side surface of the frame body (101);

the convex arc long block (102) is connected with the outer plate body (2) in a sliding mode, and the outer plate body (2) is connected with a convenient wiping mechanism.

2. The teaching blackboard convenient to wipe according to claim 1, wherein the convex arc long block (102) is close to the front edge opening of the frame body (101), a connecting port is arranged on the fixing plate (103), and the fixing plate (103) is respectively arranged at two ends of the outer side of the top surface of the frame body (101) and two ends of the left outer side and the right outer side.

3. The teaching blackboard convenient to wipe according to claim 1, wherein the convenient wiping mechanism comprises arc groove openings (201) formed in the top surface and the bottom surface of the outer plate body (2), threaded connection holes (202) are formed in the left end and the right end of the front surface of the outer plate body (2), and inner notches (203) are formed in the back surface of the outer plate body (2).

4. A convenient teaching blackboard of wiping according to claim 3, characterized in that, the lateral wall sliding connection of interior notch (203) has wipe board (3), both ends department has all been seted up on the front of wipe board (3) and has been rotated mouth (302), lower rotation chamber (301) have been seted up to the bottom of going up mouth (302), the inside rotation in lower rotation chamber (301) is connected with chassis piece (402), the top fixedly connected with threaded rod (4) of chassis piece (402).

5. A blackboard for teaching convenient to wipe according to claim 4, characterized in that the threaded rod (4) passes through the upper rotating opening (302), and the threaded rod (4) is screwed with the inner wall of the screw connection hole (202).

6. The teaching blackboard convenient to wipe according to claim 4, wherein one end of the threaded rod (4) far away from the upper rotating opening (302) is fixedly connected with a spanner block (401), and a through opening is formed in the side wall of the spanner block (401).