CN210515812U - Teaching aid suitable for teaching is given lessons - Google Patents

Abstract

The utility model discloses an auxiliary teaching aid suitable for teaching is given lessons, including show board and bottom plate, set up the holding tank in the bottom plate, be equipped with the screw rod in the holding tank, the screw rod passes through the bearing and rotates with the holding tank to be connected, the screw rod is connected with rotating device and recovery unit, the bottom plate bottom is connected with a plurality of gyro wheels. The utility model discloses set up rotating device, through crank rocker mechanism, turn into the periodic swing of screw rod with motor output shaft's invariable rotation, and be connected between screw rod and the show board and make the show board do periodic swing motion, make to realize that the show board not only watches for the student to the show board when using, watch for the student that is located the classroom both sides simultaneously in step, need not through manual, and convenient for operation, the suitability is strong, and set up recovery unit, the displacement through the movable block can drive two plate bodys rotations, and finally close together, make after using, the show board can conveniently be retrieved, and the space is saved.

Description

Teaching aid suitable for teaching is given lessons

Technical Field

The utility model relates to an auxiliary teaching aid field especially relates to an auxiliary teaching aid suitable for teaching is given lessons.

Background

Economics is a law theory for researching production, circulation, distribution and consumption of value, and economics is a subject, and political economics which is a part of political consciousness and is a part of political consciousness is only previous economics and is not real economics. Economics all can adopt display device when imparting knowledge to students, but current display device is when using because the function is more single, and the unable more economics knowledge of timely accurate understanding of person of facilitating the use especially when using fixed show board, because the classroom space is great, the student of both sides can be difficult for seeing clearly the show content because the angle of squint is too big.

Through retrieval, Chinese patent No. CN206907240U discloses an auxiliary teaching aid suitable for teaching in economics, which comprises universal wheels, a base, a fixing plate, a writing white plate and a telescopic fixing chassis, wherein the universal wheels are installed at the bottom of the base, a mounting plate is installed inside the mounting frame through a shaft rod, the writing white plate is arranged on the front surface of the mounting plate, and a frequently-used economic data table is arranged on the side surface of the writing white plate, through analysis, the prior art solves the problems that the teaching aid is convenient to take and move, the teaching aid is convenient to use in different occasions, however, a teaching teacher can adjust the orientation of the writing white plate only by manually adjusting the universal wheels, the operation is troublesome in the actual display process, the device is large in size and does not have a recycling function, and a large amount of space in a classroom is occupied when the teaching aid is not placed, so that the space is wasted, the utility model relates to an auxiliary teaching aid suitable for teaching is given lessons.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an auxiliary teaching aid suitable for teaching.

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

the utility model provides an auxiliary teaching aid suitable for teaching is given lessons, includes show board and bottom plate, set up the holding tank in the bottom plate, it is equipped with the screw rod to run through in the holding tank, the screw rod passes through the bearing and rotates with the lateral wall of holding tank to be connected, the screw rod is connected with rotating device and the recovery unit that control show board rotates and retrieves respectively, the bottom plate bottom is connected with a plurality of gyro wheels through the minor axis rotation.

Preferably, the display board is composed of two identical board bodies, one side surface of each of the two board bodies, which is close to the display board, is connected with a hinge, and the two board bodies are rotatably connected through the hinge.

Preferably, the recovery device comprises a moving block, the moving block is in threaded connection with the screw, two symmetrical sides of the moving block are rotatably connected with a support rod, two hinged supports are symmetrically welded on one side, close to the moving block, of the display board, and each hinged support is rotatably connected with the support rod through a pin.

Preferably, the rotating device comprises a positioning block, the positioning block is in threaded connection with the screw rod and abuts against the moving block, a connecting rod penetrates through the positioning block, a first connecting plate is fixedly connected to one end, outside the positioning block, of the connecting rod, a second connecting plate is rotatably connected to one end, far away from the positioning block, of the first connecting plate, and a motor is fixedly connected to one end, far away from the first connecting plate, of the second connecting plate.

Preferably, one section optical axis part overcoat that the show board was kept away from to the screw rod has cup jointed the movable block, the upper portion of movable block be the semi-annular structure and with the partial clearance fit of optical axis of screw rod, the lower part of movable block be the disc structure and with holding tank bottom rotation be connected, the upper and lower part of movable block is through round pin axle rotation connection, the terminal welding of screw rod has the knob.

Preferably, the surface of one side of the display board, which is far away from the screw rod, is glued with a fixing clamp, and the bottom of the display board is fixedly connected with a plurality of supporting seats.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up rotating device, drive through motor output shaft down, make first connecting plate, the second connecting plate, screw rod and locating piece constitute crank rocker mechanism, turn into the periodic swing of screw rod with motor output shaft's invariable rotation, and be connected between screw rod and the show board and make the show board be periodic swing motion, make to have realized that the show board not only watches for the student to the show board when using, watch for the student that is located the classroom both sides simultaneously in step, and need not through manual, therefore, the operation is convenient, and the suitability is strong.

2. The utility model discloses set up recovery unit simultaneously, can drive two plate bodys that branch made in the show board through the displacement of movable block on the screw rod and do the rotation that is close to relatively to finally close together, make after the use, the show board can conveniently be retrieved, thereby saved teacher's limited space, and place also easy to handle to the save of show board.

Drawings

Fig. 1 is a schematic structural view of an auxiliary teaching aid suitable for teaching according to the present invention;

FIG. 2 is a front view of an auxiliary teaching aid for teaching according to the present invention;

fig. 3 is the utility model provides a structural schematic diagram suitable for movable block among teaching auxiliary teaching aid.

In the figure: the display device comprises a display board 1, a bottom board 2, a screw rod 3, a support rod 4, a moving block 5, a positioning block 6, a first connecting plate 7, a second connecting plate 8, a motor 9, a fixing clamp 10, a moving block 11, a hinge 12, a roller 13, a knob 14 and a connecting rod 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.

Examples

Referring to fig. 1-3, an auxiliary teaching aid suitable for teaching is given lessons, includes show board 1 and bottom plate 2, has seted up the holding tank in bottom plate 2, runs through in the holding tank and is equipped with screw rod 3, and screw rod 3 rotates through the bearing to be connected with the lateral wall of holding tank, and screw rod 3 is connected with the rotating device and the recovery unit that control show board 1 rotates and retrieves respectively, and 2 bottoms of bottom plate are connected with a plurality of gyro wheels 13 through the minor axis rotation.

The showing board 1 consists of two same board bodies, one side surface of the two board bodies close to the two board bodies is connected with a hinge 12 together, the two board bodies are rotationally connected through the hinge 12, the recovery device comprises a moving block 5, the moving block 5 is in threaded connection with a screw rod 3, two symmetrical sides of the moving block 5 are both rotationally connected with a support rod 4, one side of the showing board 1 close to the moving block 5 is symmetrically welded with two hinge seats, each support rod 4 is provided with one hinge seat which is rotationally connected with the support rod through a pin, and the mutual rotation between the two board bodies can be realized through the rotation of the support rod 4, when the two plate bodies are in a relatively parallel state, the display board 1 becomes a structure in a combined state because the plate bodies can not rotate, at this time, since the support rod 4 cannot rotate, the moving block 5 is fixed to the position of the screw 3 at this time, and the positioning block 6 abutting against the moving block 5 is fixed to the position.

The rotating device comprises a positioning block 6, the positioning block 6 is in threaded connection with a screw rod 3 and is abutted against a moving block 5, a connecting rod 15 penetrates through the positioning block 6, a first connecting plate 7 is fixedly connected to one end, outside the positioning block 6, of the connecting rod 15, a second connecting plate 8 is rotatably connected to one end, far away from the positioning block 6, of the first connecting plate 7, a motor 9 is fixedly connected to one end, far away from the first connecting plate 7, of the second connecting plate 7, the first connecting plate 7, the second connecting plate 8 and the screw rod 3 form a crank and rocker mechanism, so that the rotation of the motor 9 can be converted into periodic swinging of the screw rod 3 and the positioning block 6 at the moment, the purpose of watching of students on different sides in a classroom is achieved, a movable block 11 is sleeved outside a section of an optical axis part, far away from the display plate 1, of the screw rod 3, the upper, the lower part of movable block 11 is the disc structure and rotates with the holding tank bottom and be connected, the upper and lower part of movable block 11 rotates through the round pin axle to be connected for screw rod 3 is as the center of rotation of rocker part, simultaneously because movable block 11 cup joints on screw rod 3, make this moment screw rod 3 have an axial displacement space on movable block 11, the welding of 3 end of screw rod has knob 14, a side surface veneer that screw rod 3 was kept away from to show board 1 has fixation clamp 10, a plurality of supporting seats of 1 bottom fixedly connected with of show board.

The utility model discloses when using, two plate body initial conditions of show board 1 will be in the state of closing each other, and place inside the holding tank under the supporting role of bottom sprag seat, the shared space of show board and bottom plate is less this moment, and can be more easy seal the collection to the plate body, when needs use, through knob 14 rotatory screw rod 3, because locating piece 6 and movable block 5 are spacing by first connecting plate 7 and branch 4 respectively, so both all along the displacement of screw rod 3 axial direction, and the displacement of movable block 5 can drive branch 4 and rotate, thereby realize that two plate bodies rotate along the direction of keeping away from each other, when extreme position, two plate body rotation center one side draw close together, and can't rotate, at this moment movable block 5 will unable continuation on screw rod 3 move, and locating piece 6 will reach the ultimate range simultaneously, open motor 9 this moment, at first connecting plate 7, Second connecting plate 8, in the crank rocker mechanism that locating piece 6 and screw rod 3 constitute, periodic wobbling effect will be realized as the rocker part to screw rod 3, and it is 90 degrees to set up swing angle, show board 1 will swing simultaneously this moment, realized in the show process, give the function of the synchronous show of the student of different positions in the classroom, the learning efficiency has been improved, after the use, reverse rotating knob can be retrieved show board 1, motor 9 can use buncher, the convenient swing speed of adjustment.

It should be noted that the motor 9 in the present application can be a 6-200W micro-speed motor.

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 (6)

1. The utility model provides an auxiliary teaching aid suitable for teaching is given lessons, includes show board (1) and bottom plate (2), its characterized in that, the holding tank has been seted up in bottom plate (2), run through in the holding tank and be equipped with screw rod (3), screw rod (3) are rotated through the lateral wall of bearing and holding tank and are connected, screw rod (3) are connected with rotating device and the recovery unit that control show board (1) rotated and retrieved respectively, bottom plate (2) bottom is rotated through the minor axis and is connected with a plurality of gyro wheels (13).

2. An auxiliary teaching aid suitable for teaching and teaching as claimed in claim 1, wherein the display board (1) is composed of two identical boards, a hinge (12) is connected to one side of the two boards, and the two boards are rotatably connected through the hinge (12).

3. The teaching aid suitable for teaching and teaching as claimed in claim 1, wherein the recovery device comprises a moving block (5), the moving block (5) is in threaded connection with the screw (3), two symmetrical sides of the moving block (5) are rotatably connected with a support rod (4), two hinged bases are symmetrically welded on one side of the display board (1) close to the moving block (5), and each hinged base of each support rod (4) is rotatably connected with the support rod through a pin.

4. The teaching aid suitable for teaching and giving lessons is characterized in that the rotating device comprises a positioning block (6), the positioning block (6) is in threaded connection with a screw rod (3) and abuts against a moving block (5), a connecting rod (15) penetrates through the positioning block (6), a first connecting plate (7) is fixedly connected to one end, outside the positioning block (6), of the connecting rod (15), a second connecting plate (8) is rotatably connected to one end, far away from the positioning block (6), of the first connecting plate (7), and a motor (9) is fixedly connected to one end, far away from the first connecting plate (7), of the second connecting plate (8).

5. The teaching aid suitable for teaching and teaching of claim 1, wherein a section of optical axis part of the screw (3) far away from the display board (1) is externally sleeved with a movable block (11), the upper part of the movable block (11) is of a semi-annular structure and is in clearance fit with the optical axis part of the screw (3), the lower part of the movable block (11) is of a disc structure and is rotatably connected with the bottom of the accommodating groove, the upper part and the lower part of the movable block (11) are rotatably connected through a pin shaft, and the tail end of the screw (3) is welded with a knob 14.

6. An auxiliary teaching aid suitable for teaching and teaching as claimed in claim 1, wherein a fixing clamp (10) is glued on one side surface of the display board (1) far away from the screw (3), and a plurality of supporting seats are fixedly connected to the bottom of the display board (1).

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