CN210652445U

CN210652445U - Wall map type blackboard for junior middle school history teaching

Info

Publication number: CN210652445U
Application number: CN201921747581.XU
Authority: CN
Inventors: 韩忠强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-02
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a teaching blackboard technical field, and disclose junior middle school history teaching is with wall map formula blackboard, including the blackboard, edge fixedly connected with rectangular framework in the top of the front surface of blackboard, the inside rear surface fixedly connected with anti-skidding gasket of rectangular framework, the inside of rectangular framework runs through there are a plurality of round bars, the round bar with rectangular framework sliding connection, the front end fixedly connected with handle of round bar, the rear end fixedly connected with dog of round bar, the rear surface of dog is pasted and is fixed with a plurality of bumps; when the teacher's teaching, can hold the handle and drag forward, like this, pole, dog slide forward, and the picture can be inserted in rectangular deckle board, and the picture laminating is on the slipmat piece, and the handle is promoting backward, and the picture just in time presss from both sides tightly between slipmat piece and dog, and then can make the picture fix on the blackboard, easy operation, and is convenient, and the bump on the dog can improve frictional force, prevents that the picture from dropping.

Description

Wall map type blackboard for junior middle school history teaching

Technical Field

The utility model relates to a teaching blackboard technical field specifically is wall map formula blackboard for junior middle school's history teaching.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

The prior art has the following problems:

(1) the traditional blackboard can be used for teachers to write characters on, but some teachers need to be in good picture and text in class, for example, historical teachers want to explain war history and need to show pictures for students to see, but the existing blackboard used for class does not have the function of hanging pictures, and has defects when the teachers use the blackboard;

some teaching teachers are limited by height when writing, cannot write characters above the blackboard, sometimes need to stand on tiptoe in order to write near the top of the blackboard, and have disadvantages when writing.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a wall map formula blackboard is used in junior high school history teaching has solved some mr and has needed the picture and text and luxuriant when having lessons, and the blackboard of using of having lessons now does not have the problem of the function of wall map, has still solved some teacher of teaching and has received the restriction of height when writing, can't write characters in the top of blackboard, is close to top position at the blackboard and writes sometimes, need stand on tiptoe, there is the problem of drawback when writing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: wall map type blackboard for junior middle school history teaching, including the blackboard, the rectangular framework of fixedly connected with in front surface top edge of blackboard, the inside rear surface fixedly connected with anti-skidding gasket of rectangular framework, the inside of rectangular framework runs through there are a plurality of round bars, the round bar with rectangular framework sliding connection, the front end fixedly connected with handle of round bar, the rear end fixedly connected with dog of round bar, the rear surface of dog is pasted and is fixed with a plurality of bumps, the rear fixedly connected with mounting panel of rectangular framework, the inside lower fixed surface of mounting panel is connected with the support ring, the inside upper fixed surface of mounting panel is connected with the motor, the output shaft fixedly connected with lead screw of motor, one side that the motor was kept away from to the lead screw runs through in the inside of support ring, and with the support ring rotates to be connected, the lateral wall sliding connection of lead screw has the fixed block, the fixed block is fixed on the rear surface of the blackboard, and the motor is electrically connected with an external power supply.

Preferably, the quantity of motor is a plurality of, and is a plurality of the motor equidistance distributes the inside of mounting panel, the quantity of fixed block with the quantity of motor is the same, and is a plurality of the front surface of fixed block is connected with one jointly the blackboard.

Preferably, the salient points and the anti-skid gaskets are made of flexible materials.

Preferably, the handle is attached to the front surface of the long frame body, and the handle is connected with the long frame body in a sliding mode.

Preferably, the mounting panel is the cuboid shape, the length and width of mounting panel with the length and width of blackboard equals, the mounting panel is installed on the wall body.

Preferably, the lower surface of the strip frame body is open.

(III) advantageous effects

The utility model provides a wall map formula blackboard for junior middle school's history teaching possesses following beneficial effect:

(1) the utility model discloses in, set up rectangular framework at the front surface of blackboard, set up anti-skidding gasket in this rectangular framework, run through the round bar in rectangular framework, the handle is connected to the front end of round bar, just in time the handle is in the place ahead of rectangular deckle board, the dog is connected to the rear end of round bar, still paste the bump on the dog, when old and old teachers and schoolers, can hold the handle and drag forward, thus, the round bar, the dog slides forward, the picture can be inserted in rectangular deckle board, the picture laminating is on anti-skidding gasket, the handle is promoting backward, the picture just in time presss from both sides tightly between anti-skidding gasket and dog, and then can make the picture fix on the blackboard, and easy operation, and is convenient, bump on the dog can improve frictional force, prevent that the picture from dropping.

(2) In the utility model, a plurality of fixed blocks are arranged on the rear surface of the blackboard, a lead screw penetrates through the inside of each fixed block, the lead screw can be driven by a motor to run, a mounting plate is also arranged, the motor, the lead screw and the fixed blocks are fixed in the mounting plate, the mounting plate can be suspended and fixed on a wall body, the mounting mode of the mounting plate is the same as the operation principle of fixing the traditional blackboard on the wall surface, thus, the fixing block can be driven to slide on the screw rod when the motors synchronously operate, so that the blackboard can slide up and down, the height of the blackboard can be adjusted according to the use requirements of teachers, and teachers can slide the blackboard down to a proper position when writing on high positions of the blackboard, so that the blackboard is convenient to write without standing on tiptoes, in addition, when the teacher writes at a lower position of the blackboard, the blackboard can be slid upward, so that the teacher can write characters in a comfortable posture.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic view of the internal structure of the strip frame in fig. 2 according to the present invention.

In the figure: 1. a strip frame body; 2. a handle; 3. a blackboard; 4. a motor; 5. mounting a plate; 6. a fixed block; 7. a screw rod; 8. a support ring; 9. a round bar; 10. a stopper; 11. salient points; 12. an anti-skid gasket.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a wall map type blackboard for junior middle school history teaching comprises a blackboard 3, wherein a long strip frame body 1 is fixedly connected at the upper edge of the front surface of the blackboard 3, an anti-skid gasket 12 is fixedly connected to the inner rear surface of the long strip frame body 1, a plurality of round rods 9 penetrate through the long strip frame body 1, the round rods 9 are slidably connected with the long strip frame body 1, a handle 2 is fixedly connected with the front ends of the round rods 9, a stop block 10 is fixedly connected with the rear end of each round rod 9, a plurality of salient points 11 are fixedly adhered to the rear surface of the stop block 10, a mounting plate 5 is fixedly connected with the rear part of the long strip frame body 1, a support ring 8 is fixedly connected with the inner lower surface of the mounting plate 5, a motor 4 is fixedly connected with the inner upper surface of the mounting plate 5, a lead screw 7 is fixedly connected with an output shaft of the motor 4, one side of the, the fixed block 6 is fixed in the rear surface of blackboard 3, motor 4 and external power source electric connection, and the model of motor 4 is SST43D2120, and motor 4 can drive fixed block 6 and slide on lead screw 7 when moving, and then can make blackboard 3 slide in the vertical direction, can change blackboard 3's position, and support ring 8 is used for supporting one side of lead screw 7, and lead screw 7 can rotate at support ring 8, and dog 10 is discoid.

Further, the quantity of motor 4 is a plurality of, and a plurality of motors 4 equidistance distributes in the inside of mounting panel 5, and the quantity of fixed block 6 is the same with motor 4's quantity, and the front surface of a plurality of fixed blocks 6 is connected with a blackboard 3 jointly, and a plurality of motors 4 synchronous operation connect a plurality of fixed blocks 6 on a blackboard 3, and fixed block 6 is the metal material, and fixed block 6 is the cuboid shape.

Further, bump 11 and skid pad 12 are flexible material, and skid pad 12 and bump 11 are rubber material, and when the teacher wall map used, the picture was put in rectangular framework 1, and the rear surface laminating of just in time laminating picture is on skid pad 12, and bump 11 on the dog 10 is laminated to the front surface of picture, and the setting of skid pad 12 and bump 11 can prevent that the picture from dropping.

Further, handle 2 laminating is at the front surface of rectangular framework 1, and handle 2 and rectangular framework 1 sliding connection, and the teacher can hold handle 2 and drag forward.

Further, the mounting plate 5 is cuboid-shaped, the length and the width of the mounting plate 5 are equal to those of the blackboard 3, the mounting plate 5 is mounted on a wall body, the mounting mode of the mounting plate 5 is the same as the operation principle of fixing the traditional blackboard on the wall surface, and the motor 4, the lead screw 7, the fixing block 6 and the support ring 8 are placed in the mounting plate 5.

Further, the lower surface of the long frame body 1 is open, the side sectional view of the long frame body 1 is N-shaped, and a picture can be fixed in the long frame body 1.

To sum up, the utility model discloses a work flow: when a teacher learns, characters can be written on the blackboard 3, when the teacher wants to write at a high position of the blackboard 3, the motor 4 can be operated, the motor 4 drives the fixing block 6 to slide on the lead screw 7, the blackboard 3 can slide downwards, the blackboard 3 slides to a proper position, at the time, the motor 4 is stopped to operate, the teacher can write at the high position of the blackboard 3, the teacher does not need to stand on the tiptoe and is more convenient to write, similarly, when the teacher wants to write at a low position of the blackboard 3, the blackboard 3 can slide upwards to a proper position without bending to write, the teacher can use the blackboard without bending, when the teacher wants to display pictures, the blackboard 3 can slide downwards, the handle 2 in front of the strip frame 1 is pulled forwards, at the time, the round rod 9 slides forwards, the teacher can put the tops of the pictures into the strip frame 1, the pictures are attached to the anti-skid gaskets 12, then, the handle 2 is pushed backwards, thus, the picture is clamped between the pad and the salient point 11 of the stop block 10, and the picture is convenient to use in hanging pictures.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Wall map formula blackboard for junior middle school's history teaching, including blackboard (3), its characterized in that: the blackboard comprises a blackboard (3), wherein a strip frame body (1) is fixedly connected to the upper edge of the front surface of the blackboard (3), an anti-skid gasket (12) is fixedly connected to the rear surface of the strip frame body (1), a plurality of round rods (9) penetrate through the inside of the strip frame body (1), the round rods (9) are slidably connected with the strip frame body (1), a handle (2) is fixedly connected to the front end of each round rod (9), a check block (10) is fixedly connected to the rear end of each round rod (9), a plurality of salient points (11) are fixedly adhered to the rear surface of each check block (10), a mounting plate (5) is fixedly connected to the rear side of the strip frame body (1), a support ring (8) is fixedly connected to the lower surface of the mounting plate (5), a motor (4) is fixedly connected to the upper surface of the mounting plate (5), and a lead screw (7), keep away from lead screw (7) one side of motor (4) run through in the inside of support ring (8), and with support ring (8) rotate to be connected, the lateral wall sliding connection of lead screw (7) has fixed block (6), fixed block (6) are fixed in the rear surface of blackboard (3), motor (4) and external power source electric connection.

2. The wall map type blackboard for junior middle school history teaching according to claim 1, characterized in that: the quantity of motor (4) is a plurality of, and is a plurality of motor (4) equidistance distributes the inside of mounting panel (5), the quantity of fixed block (6) with the quantity of motor (4) is the same, and is a plurality of the front surface of fixed block (6) is connected with one jointly blackboard (3).

3. The wall map type blackboard for junior middle school history teaching according to claim 1, characterized in that: the salient points (11) and the anti-skid gaskets (12) are made of flexible materials.

4. The wall map type blackboard for junior middle school history teaching according to claim 1, characterized in that: handle (2) laminating is in the front surface of rectangular framework (1), handle (2) with rectangular framework (1) sliding connection.

5. The wall map type blackboard for junior middle school history teaching according to claim 1, characterized in that: mounting panel (5) are the cuboid shape, the length width of mounting panel (5) with the length width of blackboard (3) equals, mounting panel (5) are installed on the wall body.

6. The wall map type blackboard for junior middle school history teaching according to claim 1, characterized in that: the lower surface of the long strip frame body (1) is open.