CN209769681U - mathematical education wall map device - Google Patents

Abstract

The utility model discloses a mathematical education wall map device, the on-line screen storage device comprises a base, the top welding of base has the support frame, and the one end of connecting block has all been welded to the both sides of support frame, and the dead lever has all been welded to the other end of two connecting blocks, and one side fixed mounting that two dead levers are close to each other has same board of placing, and the lift groove has all been seted up to one side that two dead levers are close to each other, and the top inner wall and the bottom inner wall welding in lift groove have same threaded rod, the top of support frame is equipped with the L type fixture block that two symmetries set up, all is equipped with the slider on two threaded rods, sets up threaded hole on the slider, and screw hole and. The utility model discloses a downward function of compression roller can carry out effectual straight to the teaching picture of placing on the board to do not influence and watch, effectual help study, easy operation, convenient to use.

Description

Mathematical education wall map device

Technical Field

The utility model relates to a wall map device technical field especially relates to a mathematical education wall map device.

Background

The main application of the wall map device in class is to intuitively print and explain some contents of a text. The classroom knowledge is displayed greatly when the wall map is hung, but the conventional wall map device only simply and fixedly places the map, and the map needing to be hung cannot be straightened by simple placement, so that the view is influenced, and the study cannot be effectively helped, and therefore the problem is solved by providing the mathematical teaching wall map device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mathematical education wall map device.

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

the utility model provides a mathematical education wall map device, includes the base, the top welding of base has the support frame, and the one end of connecting block is all welded to the both sides of support frame, and the dead lever is all welded to the other end of two connecting blocks, and one side fixed mounting that two dead levers are close to each other has same board of placing, and the lift groove has all been seted up to one side that two dead levers are close to each other, and the welding of the top inner wall and the bottom inner wall in lift groove has same threaded rod, the top of support frame is equipped with the L type fixture block that two symmetries set up, all is equipped with the slider on two threaded rods, sets up threaded hole on the slider, and threaded hole and threaded rod threaded connection all have seted up annular groove on two sliders.

Preferably, be equipped with the through-hole on the L type fixture block, the bottom of L type fixture block is equipped with the pull rod, and the one end of pull rod runs through the through-hole and welds the one side of having the clamp plate, and the opposite side of clamp plate contacts with placing the board, and the one side welding of clamp plate has the one end of spring, and the other end of spring welds on L type fixture block, and the spring housing is located on the pull rod.

Preferably, the compression roller is sleeved with a straight plate, and the straight plate is in sliding contact with the placing plate.

Preferably, the top inner wall and the bottom inner wall of the annular groove are both provided with annular grooves, and two ends of the rotating block are slidably connected with the side walls of the annular grooves.

Preferably, the bottom of base is equipped with four to six universal wheels, and the universal wheel all is equipped with the spacer pin.

Compared with the prior art, the beneficial effects of the utility model are that:

Through the mutual cooperation of the base, the fixing frame, the connecting block, the fixed rod, the placing plate, the lifting groove, the threaded rod, the L-shaped fixture block, the through hole, the pull rod, the pressing plate, the spring, the sliding block, the threaded hole, the annular groove, the rotating block and the compression roller, on one hand, the effective hanging of the teaching chart is realized, on the other hand, the teaching chart needing to be hung is effectively straightened, so that the effective watching is not influenced, firstly, the two pull rods are pulled, the pressing plate is driven to extrude the spring through the operation of the pull rods, the pressing plate is separated from the placing plate through the operation of the pull rods, the teaching chart needing to be placed is placed on the placing plate, the two pull rods are loosened, the pressing plate effectively fixes the teaching chart on the placing plate through the elastic force of the spring, the compression roller is pressed through the hand, the compression roller drives, the rotating blocks at two ends of the compression roller respectively rotate in the annular grooves on the two sliding blocks through the rotation of the sliding blocks, the compression roller operates downwards through the rotation of the threaded rods and the threaded holes on the sliding blocks, and the flat plate is contacted with the teaching picture on the placing plate while the compression roller operates downwards, so that the teaching picture is effectively flat and straight, the observation is convenient, and the study is effectively helped;

The utility model discloses a downward function of compression roller can carry out effectual straight to the teaching picture of placing on the board to do not influence and watch, effectual help study, easy operation, convenient to use.

Drawings

Fig. 1 is a schematic structural view of a mathematical education wall map device provided by the utility model;

fig. 2 is a schematic structural view of a part B of a mathematical education wall map device provided by the utility model;

FIG. 3 is the utility model provides a A part of the structure schematic diagram of a mathematics teaching wall map device

In the figure: the device comprises a base 1, a fixing frame 2, a connecting block 3, a fixing rod 4, a placing plate 5, a lifting groove 6, a threaded rod 7, an 8L-shaped clamping block, a through hole 9, a pull rod 10, a pressing plate 11, a spring 12, a sliding block 13, a threaded hole 14, an annular groove 15, a rotating block 16 and a pressing roller 17.

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.

referring to fig. 1-3, a mathematical education wall map device comprises a base 1, a support frame 2 welded on the top of the base 1, one end of a connecting block 3 welded on both sides of the support frame 2, a fixing rod 4 welded on the other end of the two connecting blocks 3, a same placing plate 5 fixedly installed on the side where the two fixing rods 4 are close to each other, a lifting groove 6 formed on the side where the two fixing rods 4 are close to each other, a same threaded rod 7 welded on the inner wall of the top and the inner wall of the bottom of the lifting groove 6, two L-shaped fixture blocks 8 symmetrically arranged on the top of the support frame 2, two threaded rods 7 respectively provided with a slider 13, a threaded hole 14 formed on the slider 13, the threaded hole 14 in threaded connection with the threaded rod 7, two annular grooves 15 formed on the two sliders 13, a rotating block 16 installed in the annular groove 15, a same compression, through the mutual matching of the base 1, the fixing frame 2, the connecting block 3, the fixing rod 4, the placing plate 5, the lifting groove 6, the threaded rod 7, the L-shaped clamping block 8, the through hole 9, the pull rod 10, the pressing plate 11, the spring 12, the sliding block 13, the threaded hole 14, the annular groove 15, the rotating block 16 and the press roller 17, on one hand, the effective hanging of a teaching graph is realized, on the other hand, the teaching graph needing to be hung is effectively straightened, so that the effective watching cannot be influenced, firstly, the two pull rods 10 are pulled, the pressing plate 11 is driven to extrude the spring 12 through the operation of the pull rods 10, the pressing plate 11 is separated from the placing plate 5 through the operation of the pull rods 10, the teaching graph needing to be placed is placed on the placing plate 5, the two pull rods 10 are loosened, the pressing plate 11 effectively fixes the teaching graph on the placing plate 5 through the elasticity of the spring 12, the press roller 17 is pressed through hand, the press roller, make slider 13 rotate through threaded rod 7 and screw hole 14's function, make the turning block 16 at compression roller 17 both ends at the ring type groove 15 internal rotations on two sliders 13 respectively through slider 13's rotation, thereby compression roller 17 contacts with the teaching picture of placing on the board 5 through the downward function of screw hole 14 on slider 13 and the rotation of threaded rod 7 down function, thereby the flat board contacts the realization and carries out effectual straightness to the teaching picture when downward function through compression roller 17, thereby conveniently watch, effectual help study, the utility model discloses a downward function of compression roller 17 can carry out effectual straightness to the teaching picture of placing on the board 5, from not influencing and watch, effectual help study, easy operation, convenient to use.

the utility model discloses in, be equipped with through-hole 9 on the L type fixture block 8, the bottom of L type fixture block 8 is equipped with pull rod 10, the one end of pull rod 10 runs through-hole 9 and welds the one side of having clamp plate 11, clamp plate 11's opposite side contacts with placing board 5, clamp plate 11's one side welding has the one end of spring 12, the other end of spring 12 welds on L type fixture block 8, spring 12 cover is located on pull rod 10, the cover is equipped with straight board on the compression roller 17, straight board and placing board 5 sliding contact, all be equipped with the annular groove on the top inner wall of annular groove 15 and the bottom inner wall, the both ends of rotor 16 and the lateral wall sliding connection of annular groove, the bottom of base 1 is equipped with four to six universal wheels, the universal wheel all is equipped with the spacer pin, through base 1, mount 2, connecting block 3, dead lever 4, place board 5, lifting groove 6, threaded rod 7, L type fixture, The pressing plate 11, the spring 12, the sliding block 13, the threaded hole 14, the annular groove 15, the rotating block 16 and the press roller 17 are matched with each other, on one hand, effective hanging of the teaching graph is achieved, on the other hand, the teaching graph needing to be hung is effectively straightened, and therefore effective watching cannot be affected, firstly, the two pull rods 10 are pulled, the pressing plate 11 is driven to extrude the spring 12 through operation of the pull rods 10, the pressing plate 11 is separated from the placing plate 5 through operation of the pull rods 10, the teaching graph needing to be placed is placed on the placing plate 5, the two pull rods 10 are loosened, the pressing plate 11 effectively fixes the teaching graph on the placing plate 5 through elasticity of the spring 12, the press roller 17 is pressed through hand, the press roller 17 drives the threaded hole 14 in the sliding block 13 to operate in a threaded manner with the threaded rod 7, the sliding block 13 is rotated through operation of the threaded rod 7 and the threaded hole 14, the rotating blocks 16 at two ends of the press roller 17 are respectively rotated in the, the rotation of compression roller 17 through screw hole 14 on the slider 13 and threaded rod 7 is function downwards, thereby the flat board contacts with the teaching drawing of placing on the board 5 when the downward function through compression roller 17 and realizes carrying out effectual tie to the teaching drawing to conveniently watch, effectual help study, the utility model discloses a downward function of compression roller 17 can carry out effectual tie to the teaching drawing of placing on the board 5 to do not influence and watch, effectual help study, easy operation, convenient to use.

The working principle is as follows: when the teaching drawing flattening device is used, firstly, the two pull rods 10 are pulled, the pressing plate 11 is driven to extrude the springs 12 through the operation of the pull rods 10, the pressing plate 11 is enabled to leave the placing plate 5 through the operation of the pull rods 10, a teaching drawing to be placed is placed on the placing plate 5, the two pull rods 10 are loosened, the pressing plate 11 enables the teaching drawing to be effectively fixed on the placing plate 5 through the elasticity of the springs 12, the pressing roller 17 is pressed by hands, the pressing roller 17 drives the threaded hole 14 in the sliding block 13 and the threaded rod 7 to perform threaded operation, the sliding block 13 is enabled to rotate through the operation of the threaded rod 7 and the threaded hole 14, the rotating blocks 16 at two ends of the pressing roller 17 respectively rotate in the annular grooves 15 on the two sliding blocks 13 through the rotation of the threaded hole 14 on the sliding block 13 and the threaded rod 7, the flattening plate is contacted with the teaching drawing on the placing plate 5 while the downward operation of the pressing roller 17, so as to realize effective, thereby being convenient for watching and effectively helping study.

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 (5)

1. A mathematical teaching wall map device comprises a base (1) and is characterized in that a support frame (2) is welded at the top of the base (1), one end of a connecting block (3) is welded at both sides of the support frame (2), a fixing rod (4) is welded at the other end of each connecting block (3), one side of each fixing rod (4) close to each other is fixedly provided with a same placing plate (5), one side of each fixing rod (4) close to each other is provided with a lifting groove (6), the inner wall of the top and the inner wall of the bottom of each lifting groove (6) are welded with a same threaded rod (7), the top of the support frame (2) is provided with two L-shaped clamping blocks (8) which are symmetrically arranged, two threaded rods (7) are respectively provided with a sliding block (13), each sliding block (13) is provided with a threaded hole (14), and the threaded, the two sliding blocks (13) are provided with annular grooves (15), rotating blocks (16) are installed in the annular grooves (15), and one side, close to each other, of each rotating block (16) is welded with the same compression roller (17).

2. The hanging map device for mathematics teaching as claimed in claim 1, wherein said L-shaped fixture block (8) is provided with a through hole (9), the bottom of said L-shaped fixture block (8) is provided with a pull rod (10), one end of said pull rod (10) passes through said through hole (9) and is welded with one side of said pressing plate (11), the other side of said pressing plate (11) is in contact with said placing plate (5), one side of said pressing plate (11) is welded with one end of a spring (12), the other end of said spring (12) is welded on said L-shaped fixture block (8), and said spring (12) is sleeved on said pull rod (10).

3. The hanging chart device for mathematics teaching as claimed in claim 1, characterized in that said compression roller (17) is sleeved with a flat plate which is in sliding contact with the placing plate (5).

4. The hanging map device for mathematics teaching as claimed in claim 1, wherein the top inner wall and the bottom inner wall of said annular groove (15) are provided with annular grooves, and the two ends of the rotating block (16) are connected with the side walls of the annular grooves in a sliding way.

5. The hanging chart device for mathematics teaching as claimed in claim 1, characterized in that the bottom of said base (1) is equipped with four to six universal wheels, each universal wheel being equipped with a limit pin.