CN211138823U

CN211138823U - Drawing device for mathematical education

Info

Publication number: CN211138823U
Application number: CN201920845775.7U
Authority: CN
Inventors: 李雅莉; 张鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-07-31
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a drawing device for mathematical education relates to the teaching aid field. It comprises a drawing ruler; the lower end surface of the drawing rule is provided with a separation groove along the left and right direction; the separation grooves are uniformly and fixedly connected with a plurality of partition plates along the left and right directions; the cleaning tank is divided into a plurality of cleaning tanks by the partition board; the lower end faces of the partition plates are fixedly connected with a telescopic film; the middle part of the lower end surface of the isolation plate is provided with circulation holes along the left and right directions; the upper part of the right end surface of the drawing ruler is provided with a water injection hole; the water injection hole is communicated with the rightmost cleaning tank. The utility model has the advantages that: absorb the powder that drops and wipe the powder on the ruler clean, reduce the harm to the mr.

Description

Drawing device for mathematical education

Technical Field

The utility model relates to a teaching aid technical field.

Background

At present, in the process of mathematical education, chalk is often used for drawing lines compared with a ruler, chalk powder is easy to fall off, and the chalk powder is easy to adhere to the ruler, so that the chalk powder is harmful to the body of a teacher after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is not enough to the technique that the aforesaid exists, provides a drawing device for mathematical education. Absorb the powder that drops and wipe the powder on the ruler clean, reduce the harm to the mr.

The utility model adopts the technical proposal that: the drawing device for mathematical education comprises a drawing rule; the lower end surface of the drawing rule is provided with a separation groove along the left and right direction; the separation grooves are uniformly and fixedly connected with a plurality of partition plates along the left and right directions; the cleaning tank is divided into a plurality of cleaning tanks by the partition board; the lower end faces of the partition plates are fixedly connected with a telescopic film; the middle part of the lower end surface of the isolation plate is provided with circulation holes along the left and right directions; the upper part of the right end surface of the drawing ruler is provided with a water injection hole; the water injection hole is communicated with the rightmost cleaning tank; the upper end surface of the cleaning tank is provided with water spray holes which penetrate through the cleaning tank up and down; the front end surface of the drawing ruler is connected with an absorption rod in a left-right sliding manner; the lower part of the left end surface of the absorption rod is fixedly connected with an ejection piece; the rear part of the upper end face of the ejecting part is fixedly connected with a first pressure spring; the upper end of the first pressure spring is fixedly connected with an ejection block; the upper end face of the ejection block is contacted with the lower end face of the telescopic film; the upper end face of the absorption rod is fixedly connected with a mounting box; the front end face in the mounting box is fixedly connected with a second pressure spring; a fixed block is fixedly connected with the rear end of the second pressure spring; the lower part of the front end surface of the fixed block is provided with a fixed groove; the upper part of the left end surface of the absorption rod is fixedly connected with an absorption block; the lower end surface of the absorption block is fixedly connected with a sponge block.

Further optimizing the technical scheme, the right part of the upper end surface of the drawing ruler of the drawing device for mathematical education is provided with a cleaning groove; the left part in the cleaning groove is rotationally connected with a cleaning column through a rotating shaft; the upper part and the lower part of the right part in the cleaning groove are connected with a collection sponge in a sliding way.

Further optimize this technical scheme, a drawing device for mathematical education's absorbing rod front end face middle part fixedly connected with handle.

The utility model discloses the beneficial effect who is showing lies in:

1. in the drawing process, the sponge block is used for wiping dust of chalk on the drawing rule, the dust is collected to the rightmost end of the drawing rule and is collected into the collection sponge, dust suction of teachers is reduced, and dust is not prone to polluting clothes of the teachers;

2. when the sponge block is used for wiping dust, water in the cleaning groove can be sprayed to the sponge block through the water spraying holes, so that the dust is easier to wipe;

3. the plurality of cleaning tanks are separated by the partition plate, and when the water is extruded by the ejecting piece, only the water in one cleaning tank is touched, so that other cleaning tanks cannot be influenced;

4. the water spraying holes are very small, and water can be sprayed only when pressure is applied;

drawings

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

FIG. 2 is a schematic view of a structure of a separation tank;

FIG. 3 is a schematic view of an absorber rod configuration;

FIG. 4 is a plan view of the internal structure of the drawing ruler;

in the drawings, 1, a drawing ruler; 2. a separation tank; 3. a separator plate; 4. a cleaning tank; 5. a stretch film; 6. a flow-through hole; 7. a water injection hole; 8. a water spray hole; 9. an absorption bar; 10. ejecting the part; 11. a first pressure spring; 12. ejecting a block; 13. mounting a box; 14. a second pressure spring; 15. a fixed block; 16. fixing grooves; 17. an absorbent block; 18. A sponge block; 19. cleaning the tank; 20. cleaning the column; 21. collecting the sponge; 22. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a drawing apparatus for mathematical education includes a drawing rule 1; the lower end surface of the drawing rule 1 is provided with a separation groove 2 along the left and right direction; the separation groove 2 is uniformly and fixedly connected with a plurality of partition plates 3 along the left and right direction; the cleaning tank 4 is divided into a plurality of cleaning tanks 4 by the partition board 3; the lower end surfaces of the isolation plates 3 are fixedly connected with a telescopic membrane 5; the middle part of the lower end surface of the isolation plate 3 is provided with circulation holes 6 along the left and right direction; the upper part of the right end surface of the drawing rule 1 is provided with a water injection hole 7; the water injection hole 7 is communicated with the rightmost cleaning tank 4; the upper end surface of the cleaning tank 4 is provided with water spray holes 8 which penetrate through the cleaning tank up and down; the front end surface of the drawing rule 1 is connected with an absorption rod 9 in a left-right sliding way; the lower part of the left end surface of the absorption rod 9 is fixedly connected with an ejector 10; the rear part of the upper end face of the ejecting part 10 is fixedly connected with a first pressure spring 11; the upper end of the first pressure spring 11 is fixedly connected with an ejection block 12; the upper end surface of the ejection block 12 is contacted with the lower end surface of the telescopic film 5; the upper end surface of the absorption rod 9 is fixedly connected with a mounting box 13; a second pressure spring 14 is fixedly connected to the front end face inside the mounting box 13; a fixed block 15 is fixedly connected with the rear end of the second pressure spring 14; the lower part of the front end surface of the fixed block 15 is provided with a fixed groove 16; the upper part of the left end surface of the absorption rod 9 is fixedly connected with an absorption block 17; the lower end surface of the absorption block 17 is fixedly connected with a sponge block 18; the middle part of the front end surface of the absorption rod 9 is fixedly connected with a handle 22.

The utility model discloses during the use:

the chalk penetrates through a fixing groove 16 on a fixing block 15, the chalk is fixed by friction, the other end of the chalk penetrates through the fixing groove 16, part of water is injected into a drawing rule 1 through a water injection hole 7 (the water injection hole 7 is provided with a sealing plug), then the drawing rule 1 is placed on a blackboard, a handle 22 is held and a right sliding absorption rod 9 is held, the chalk stably draws a straight line on the blackboard, when the absorption rod 9 is moved, the absorption rod 9 drives an ejection piece 10 to move rightwards, the ejection piece 10 pushes a telescopic membrane 5 to slide rightwards, an ejection block 12 pushes the telescopic membrane 5, so that water in each cleaning groove 4 is extruded out, the water flows out through an ejection hole and is absorbed by a sponge block 18 on an absorption block 17, when the absorption rod 9 slides rightwards, the sponge block 18 also slides rightwards, dust of the chalk is absorbed by the sponge block 18, the sponge block 18 slides to the right end of the drawing rule 1, firstly, the dust on the sponge block 18 is attached to the cleaning column 20 by contacting and rubbing the cleaning column 20, and then the dust is transferred to the absorption sponge 21 by the friction between the cleaning column 20 and the absorption sponge 21, so as to achieve the cleaning effect.

During the rightward movement of the absorbing rod 9, the second pressing spring 14 always presses the chalk against the blackboard so that the chalk can draw a straight line.

Claims

1. The utility model provides a drawing device for mathematical education which characterized in that: comprising a drawing ruler (1); the lower end surface of the drawing rule (1) is provided with a separation groove (2) along the left and right direction; the separation groove (2) is uniformly and fixedly connected with a plurality of isolation plates (3) along the left and right directions; the cleaning tank (4) is divided into a plurality of cleaning tanks (4) by the partition board (3); the lower end faces of the partition boards (3) are fixedly connected with a telescopic film (5); the middle part of the lower end surface of the isolation plate (3) is provided with circulation holes (6) along the left and right directions; the upper part of the right end surface of the drawing rule (1) is provided with a water injection hole (7); the water injection hole (7) is communicated with the rightmost washing tank (4); the upper end surface of the cleaning tank (4) is provided with water spray holes (8) which penetrate through up and down; the front end surface of the drawing rule (1) is connected with an absorption rod (9) in a left-right sliding way; the lower part of the left end surface of the absorption rod (9) is fixedly connected with an ejector (10); the rear part of the upper end surface of the ejecting part (10) is fixedly connected with a first pressure spring (11); the upper end of the first pressure spring (11) is fixedly connected with an ejection block (12); the upper end surface of the ejection block (12) is contacted with the lower end surface of the telescopic film (5); the upper end surface of the absorption rod (9) is fixedly connected with a mounting box (13); the front end face inside the mounting box (13) is fixedly connected with a second pressure spring (14); a fixed block (15) is fixedly connected with the rear end of the second pressure spring (14); the lower part of the front end surface of the fixed block (15) is provided with a fixed groove (16); the upper part of the left end surface of the absorption rod (9) is fixedly connected with an absorption block (17); the lower end surface of the absorption block (17) is fixedly connected with a sponge block (18).

2. The drawing device for mathematical education as set forth in claim 1, wherein: the right part of the upper end surface of the drawing rule (1) is provided with a cleaning groove (19); the left part in the cleaning groove (19) is rotationally connected with a cleaning column (20) through a rotating shaft; the right part in the cleaning groove (19) is connected with a collection sponge (21) in a vertical sliding way.

3. The drawing device for mathematical education as set forth in claim 1, wherein: the middle part of the front end surface of the absorption rod (9) is fixedly connected with a handle (22).