CN220691537U - Teaching aid for auxiliary teaching - Google Patents

Abstract

The utility model provides a teaching aid for assisting teaching, which relates to the technical field of teaching appliances and comprises a magnetic blackboard and a shell, wherein the magnetic blackboard is arranged in the shell and horizontally slides along the inside of the shell, a plurality of springs are fixedly connected between the magnetic blackboard and the inner wall of the backboard of the shell, a push rod which horizontally slides is arranged in the center of the outer side of the backboard of the shell, the push rod is horizontally distributed, a plurality of traction ropes are fixedly connected to the push rod, when the magnetic blackboard slides in a direction away from a letter model in a direction away from the shell, an upper rack is driven to move, the lower rack is driven to move through the transmission of a gear, the movement of a connecting block in a direction away from the shell can be realized through the movement of the lower rack, and then the elastic cloth is opened through the movement of the connecting block, so that the falling letter model is conveniently accepted through the elastic cloth.

Description

Teaching aid for auxiliary teaching

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a teaching aid for assisting teaching.

Background

The teaching aid refers to articles which may be used in the teaching process, such as chalks, blackboard erasers, teaching three-dimensional models, or three-dimensional numbers, chinese characters or English letters, and in English teaching, the prior art uses three-dimensional letters and then magnetically attracts the letters on a special blackboard.

For example, an English letter teaching aid (publication No. CN 215730239U) in the prior art is disclosed, a device is moved to a designated position, a letter model is adhered to a magnetic blackboard according to the teaching sequence, a learner can acquire information by observing the letter condition on the magnetic blackboard, and in order to conveniently take down the letter model, a straight arm threaded rod is correspondingly arranged, and the straight arm threaded rod rotates to drive the position of a spiral ring to move, so that a movable ring can drive the position of an automatic cleaning frame to move, and in this way, a cleaning block on the inner side of the automatic cleaning frame rubs with the surface of the magnetic blackboard, and then the letter model adhered on the surface of the magnetic blackboard can be removed;

however, in the prior art, the surface of the magnetic blackboard is easily scratched in the process of taking down the letter model, and the reason is that: the cleaning block is in the in-process of promoting letter model, and the letter model is magnetic attraction on magnetic force blackboard all the time, and the frictional force between letter model and the magnetic force blackboard surface can cause magnetic force blackboard surface fish tail, therefore we propose a teaching aid of auxiliary teaching that can make the letter model drop.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a teaching aid for assisting teaching.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a teaching aid of supplementary teaching, includes magnetic force blackboard and shell, magnetic force blackboard sets up in the shell to along the inside horizontal slip of shell, fixedly connected with a plurality of springs between the backplate inner wall of magnetic force blackboard and shell, the backplate outside center of shell is provided with along the gliding push rod of horizontal direction, push rod horizontal distribution to fixedly connected with a plurality of haulage ropes on the push rod, the other end of a plurality of haulage ropes runs through the shell back to evenly distributed fixes on magnetic force blackboard, the shell openly is used for installing letter model, and when magnetic force blackboard laminating shell openly inner wall, magnetic force blackboard is used for magnetism to inhale letter model.

Further: the magnetic blackboard is characterized in that guide rods penetrating through the sides of the magnetic blackboard are fixedly connected to the corners of the inner walls of the front plate and the rear plate of the shell, and limiting blocks used for allowing a plurality of traction ropes to penetrate through are fixedly connected to the center of the outer side of the back plate of the shell.

To facilitate collection of the dropped letter models, further: the front bottom edge of the shell is provided with elastic cloth for bearing the letter model, one end of the elastic cloth is fixedly connected with a connecting block, two connecting rods are symmetrically and fixedly connected to the side edges of the connecting block, and guide blocks for pushing rods or connecting rods to penetrate are fixedly connected to the back plate and the bottom edge of the shell.

Further: the magnetic blackboard is characterized in that an upper rack is fixedly connected to the center of the bottom edge of the magnetic blackboard, two gears which are in meshed connection with the upper rack are symmetrically and fixedly connected to the inner wall of the shell, a lower rack which is in meshed connection with the upper rack is slidably connected to the bottom edge of the shell, one ends of the upper rack and the lower rack penetrate through the surface of the shell, one end of the lower rack is fixedly connected with the side edge of the connecting block, and the upper rack and the lower rack are symmetrically distributed.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, under the action of the traction ropes and the limiting blocks, a person pushes the push rod, so that one end of the push rod, which pulls the traction ropes, moves, and further the magnetic blackboard is pulled away from the letter model by the traction ropes, so that the letter model loses the magnetic attraction of the magnetic blackboard, the letter model can be naturally fallen off, and the sliding friction on the outer wall of the front surface of the shell can be avoided in the falling process.

2. According to the utility model, when the magnetic blackboard slides in a direction away from the letter model in the shell, the upper rack is driven to move, the lower rack is driven to move through the transmission of the gear, the connecting block can move in the direction away from the shell through the movement of the lower rack, and the elastic cloth is opened through the movement of the connecting block, so that the falling letter model is conveniently accepted through the elastic cloth.

Drawings

Fig. 1 is a schematic perspective view of a teaching aid for assisting teaching according to the present utility model;

fig. 2 is a schematic diagram of the rear view structure of fig. 1 of a teaching aid for assisting teaching according to the present utility model;

fig. 3 is a schematic side sectional view of fig. 1 showing a teaching aid for assisting teaching according to the present utility model.

Legend description: 1. a housing; 2. a guide rod; 3. a push rod; 4. magnetic blackboard; 5. an elastic cloth; 6. a connecting block; 7. a traction rope; 8. a limiting block; 9. a connecting rod; 10. a guide block; 11. a lower rack; 12. a gear; 13. a rack is arranged; 14. and (3) a spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-3, a teaching aid for assisting teaching comprises a magnetic blackboard 4 and a shell 1, wherein the magnetic blackboard 4 is arranged in the shell 1 and horizontally slides along the inside of the shell 1, a plurality of springs 14 are fixedly connected between the magnetic blackboard 4 and the inner wall of the backboard of the shell 1, a push rod 3 which horizontally slides along the outside center of the backboard of the shell 1 is arranged, the push rod 3 is horizontally distributed, a plurality of traction ropes 7 are fixedly connected to the push rod 3, the other ends of the traction ropes 7 penetrate through the back of the shell 1 and are uniformly distributed and fixed on the magnetic blackboard 4, the front surface of the shell 1 is used for installing a letter model, and when the magnetic blackboard 4 is attached to the front inner wall of the shell 1, the magnetic blackboard 4 is used for magnetically attracting the letter model.

In addition: guide rods 2 penetrating through the sides of the magnetic blackboard 4 are fixedly connected to the corners of the inner walls of the front plate and the rear plate of the shell 1.

And: a limiting block 8 used for a plurality of traction ropes 7 to pass through is fixedly connected to the center of the outer side of the backboard of the shell 1;

in this scheme, when equipment is used, a plurality of springs 14 that set up can guarantee that magnetic force blackboard 4 closely laminate shell 1 openly inner wall, when guaranteeing that letter model pastes at shell 1 openly outer wall, absorption that can be smooth, when needing to take off letter model, through haulage rope 7 and stopper 8's effect, personnel are through promoting push rod 3 for push rod 3 pulls a plurality of haulage ropes 7's one end and removes, and then pulls magnetic force blackboard 4 through a plurality of haulage ropes 7 and keep away from the letter model, make the letter model lose the magnetism of magnetic force blackboard 4 and inhale, can realize that the letter model drops naturally, and the in-process that drops can not be at shell 1 openly outer wall sliding friction, guarantee that shell 1 openly outer wall can use for a long time.

As shown in fig. 1 and 3: the front bottom edge of the shell 1 is provided with an elastic cloth 5 for bearing the letter model, one end of the elastic cloth 5 is fixedly connected with a connecting block 6, two connecting rods 9 are symmetrically and fixedly connected to the side edges of the connecting block 6, and the back plate and the bottom edge of the shell 1 are fixedly connected with guide blocks 10 for the push rod 3 or the connecting rod 9 to penetrate through.

And: the center of the bottom edge of the magnetic blackboard 4 is fixedly connected with an upper rack 13, two gears 12 which are meshed with the upper rack 13 are symmetrically and fixedly connected to the inner wall of the shell 1, a lower rack 11 meshed with the gears 12 is slidingly connected to the inner bottom of the shell 1, one ends of the upper rack 13 and the lower rack 11 penetrate through the surface of the shell 1, and one end of the lower rack 11 is fixedly connected with the side edge of the connecting block 6.

In addition: the upper rack 13 and the lower rack 11 are symmetrically distributed;

in the scheme, the method comprises the following steps: when the magnetic blackboard 4 slides in a direction away from the letter model in the shell 1, the upper rack 13 is driven to move, the lower rack 11 is driven to move through the transmission of the gear 12, the connecting block 6 can move in a direction away from the shell 1 through the movement of the lower rack 11, and then the elastic cloth 5 is stretched out through the movement of the connecting block 6, so that the falling letter model is conveniently accepted through the elastic cloth 5.

When the equipment is used, the letter model is attached to the front outer wall of the shell 1, the letter model can be smoothly adsorbed on the front outer wall of the shell 1 through the magnetic attraction effect of the magnetic blackboard 4, when the letter model needs to be taken down, a person pushes the push rod 3, so that the push rod 3 pulls one ends of the traction ropes 7 to move, and then the magnetic blackboard 4 is pulled away from the letter model through the traction ropes 7, so that the letter model loses the magnetic attraction of the magnetic blackboard 4, the letter model can be naturally fallen off, and the magnetic blackboard 4 drives the upper rack 13 to move when sliding in a direction away from the letter model in a direction away from the shell 1, the lower rack 11 is driven to move through the transmission of the gear 12, the connecting block 6 can be moved away from the shell 1 through the movement of the lower rack 11, and then the elastic cloth 5 is opened through the movement of the connecting block 6, and the fallen letter model is conveniently accepted through the elastic cloth 5.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a teaching aid of supplementary teaching, includes magnetic force blackboard (4) and shell (1), its characterized in that: the magnetic blackboard (4) is arranged in the shell (1) and horizontally slides along the inside of the shell (1), a plurality of springs (14) are fixedly connected between the magnetic blackboard (4) and the inner wall of the backboard of the shell (1), a push rod (3) sliding along the horizontal direction is arranged at the center of the outer side of the backboard of the shell (1), the push rod (3) is horizontally distributed, a plurality of traction ropes (7) are fixedly connected to the push rod (3), the other ends of the traction ropes (7) penetrate through the back of the shell (1) and are uniformly distributed and fixed on the magnetic blackboard (4), the front of the shell (1) is used for installing a letter model, and when the magnetic blackboard (4) is attached to the inner wall of the front of the shell (1), the magnetic blackboard (4) is used for magnetically attracting the letter model.

2. A teaching aid for assisting in teaching according to claim 1 and characterised in that: guide rods (2) penetrating through the side edges of the magnetic blackboard (4) are fixedly connected to the corners of the inner walls of the front plate and the rear plate of the shell (1).

3. A teaching aid for assisting in teaching according to claim 1 and characterised in that: a limiting block (8) used for a plurality of traction ropes (7) to penetrate through is fixedly connected to the center of the outer side of the back plate of the shell (1).

4. A teaching aid for assisting in teaching according to claim 1 and characterised in that: the novel letter box is characterized in that an elastic cloth (5) for supporting a letter model is arranged on the front side and the bottom side of the shell (1), one end of the elastic cloth (5) is fixedly connected with a connecting block (6), two connecting rods (9) are symmetrically and fixedly connected to the side edges of the connecting block (6), and guide blocks (10) used for penetrating through the push rod (3) or the connecting rod (9) are fixedly connected to the back plate and the bottom side of the shell (1).

5. A teaching aid for assisting in teaching according to claim 1 and characterised in that: the magnetic blackboard is characterized in that an upper rack (13) is fixedly connected to the center of the bottom edge of the magnetic blackboard (4), two gears (12) which are in meshed connection with the upper rack (13) are symmetrically and fixedly connected to the inner wall of the shell (1), a lower rack (11) which is meshed with the gears (12) is slidingly connected to the bottom edge of the shell (1), one ends of the upper rack (13) and the lower rack (11) penetrate through the surface of the shell (1), and one end of the lower rack (11) is fixedly connected with the side edge of the connecting block (6).

6. The teaching aid for assisting in teaching according to claim 5, wherein: the upper racks (13) and the lower racks (11) are symmetrically distributed.