CN210211832U

CN210211832U - Higher mathematics coordinate drawing device

Info

Publication number: CN210211832U
Application number: CN201920802306.7U
Authority: CN
Inventors: Dongyang Guo; 郭东阳
Original assignee: Tangshan University
Current assignee: Tangshan University
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-31
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a higher mathematics coordinate drawing device, comprising a base plate, be provided with the fixed ruler on one side outer wall of bottom plate, be provided with the fixing base on one side outer wall of fixed ruler, it is connected with the commentaries on classics chi to rotate through the damping pivot on one side outer wall of fixing base, first scale groove has been seted up on one side outer wall of commentaries on classics chi, the second scale groove has been seted up on one side outer wall of fixed ruler. This higher mathematics coordinate drawing device, through the vertical slot and the horizontal trough of vertical cross on the coordinate board can be on the blackboard draw out the lines in the coordinate axis fast, reduce drawing tool's removal and upset, reduce the intensity of labour of plotter, improve the drawing efficiency of coordinate, guarantee the precision between each lines in the coordinate, improve follow-up data curve's precision, improve the teaching quality, be convenient for adjust drawing device to horizontally position through liquid and the bubble of annotating the liquid intracavity, thereby guarantee the perpendicular of lines.

Description

Higher mathematics coordinate drawing device

Technical Field

The utility model relates to an advanced mathematics technical field specifically is an advanced mathematics coordinate drawing device.

Background

Higher mathematics refers to a relatively complicated object and method of mathematics compared with the first mathematics, and higher mathematics is a basic subject formed by micro-integration, deeper algebra, geometry and cross content between them.

Higher mathematics on the market at present often need draw the coordinate axis so that demonstrate the curve between the data and change on the blackboard when giving lessons and explaining, present coordinate axis is mostly carried out perpendicular horizontal direction through the ruler and is drawn a line on, the volume of drawing on the one hand is big, need rotate the ruler repeatedly and draw, draw inconvenient having improved teacher's intensity of labour simultaneously, on the other hand is difficult to guarantee the straightness that hangs down between the lines, thereby the accuracy that causes follow-up curve is low, the problem that teaching quality is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an advanced mathematics coordinate drawing device to propose the big problem poor with the coordinate axis precision of current advanced mathematics coordinate drawing intensity of labour in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an advanced mathematics coordinate drawing device, includes the bottom plate, be provided with the fixed ruler on one side outer wall of bottom plate, be provided with the fixing base on one side outer wall of fixed ruler, it changes the chi to rotate to be connected with through the damping pivot on one side outer wall of fixing base, first scale groove has been seted up on one side outer wall of commentaries on classics chi, the second scale groove has been seted up on one side outer wall of fixed ruler, it annotates the liquid chamber to imbed on one side outer wall of bottom plate, the inside of annotating the liquid chamber is provided with the bubble, and is provided with the center circle on the one side outer wall of.

Preferably, the sliding groove is formed in the outer wall of one side of the fixed ruler, the sliding block is connected to the inner portion of the sliding groove in a sliding mode, and a coordinate plate is arranged on the outer wall of one side, far away from the sliding groove, of the sliding block.

Preferably, a longitudinal groove and a transverse groove are formed in the outer wall of one side of the coordinate plate, the longitudinal groove and the transverse groove are perpendicularly crossed, a fixing plate is arranged on the outer wall of one side of the coordinate plate, and a fastening nut penetrates through the outer wall of one side of the fixing plate.

Preferably, a threaded hole is formed in the position, close to the sliding groove, of the inner wall of one side of the fixing plate, and the threaded hole is connected with the fastening nut in a screwing mode through threads.

Preferably, a protractor is arranged at a position, close to one side of the damping rotating shaft, on the outer wall of one side of the fixed seat, and a bearing pad is embedded into the outer wall of one side of the base plate.

Preferably, be provided with on the one side outer wall of keeping away from the coordinate board on the commentaries on classics chi and store the box, store and seted up the inner chamber on the one side outer wall of box.

Compared with the prior art, the beneficial effects of the utility model are that: this higher mathematics coordinate drawing device, can draw out the lines in the coordinate axis fast through vertical cross's vertical slot and horizontal slot on the coordinate board, reduce drawing tool's removal and upset, reduce the person's of drawing intensity of labour, improve the drawing efficiency of coordinate, guarantee the precision between each lines in the coordinate, improve follow-up data curve's precision, improve the teaching quality, be convenient for adjust drawing device to horizontally position through annotating liquid and bubble of liquid intracavity, thereby guarantee the perpendicular of lines, in addition, through detachable coordinate board and fixed chi, be convenient for assemble according to the drawing demand of difference, improve the convenience that drawing device used, be connected through the rotation of commentaries on classics chi and fixed chi and can draw out the lines of different angles, thereby be convenient for the drawing of follow-up broken line.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a top view of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

In the figure: 1. a storage box; 2. an inner cavity; 3. rotating a ruler; 4. a first scale groove; 5. a coordinate plate; 6. a longitudinal groove; 7. a transverse groove; 8. fastening a nut; 9. a fixing plate; 10. fixing a ruler; 11. a base plate; 12. a second scale groove; 13. a support pad; 14. a central ring; 15. air bubbles; 16. a liquid injection cavity; 17. a fixed seat; 18. a damping rotating shaft; 19. a protractor; 20. a slider; 21. a threaded hole; 22. a chute.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a higher mathematics coordinate drawing device comprises a storage box 1, an inner cavity 2, a rotary ruler 3, a first graduated slot 4, a coordinate plate 5, a longitudinal slot 6, a transverse slot 7, a fastening nut 8, a fixing plate 9, a fixed ruler 10, a bottom plate 11, a second graduated slot 12, a bearing pad 13, a central ring 14, air bubbles 15, an injection cavity 16, a fixed seat 17, a damping rotating shaft 18, a protractor 19, a slide block 20, a threaded hole 21 and a sliding slot 22, wherein the fixed ruler 10 is arranged on the outer wall of one side of the bottom plate 11, the fixed seat 17 is arranged on the outer wall of one side of the fixed ruler 10, the rotary ruler 3 is rotatably connected on the outer wall of one side of the fixed seat 17 through the damping rotating shaft 18, the first graduated slot 4 is arranged on the outer wall of one side of the rotary ruler 3, the second graduated slot 12 is arranged on the outer wall of one side of the fixed ruler 10, the injection cavity 16 is embedded in the outer wall of one side of the bottom plate 11, the, facilitating accurate positioning of the level of the bubble 15.

Further, a sliding groove 22 is formed in the outer wall of one side of the fixed ruler 10, a sliding block 20 is connected to the inner portion of the sliding groove 22 in a sliding mode, and a coordinate plate 5 is arranged on the outer wall of one side, far away from the sliding groove 22, of the sliding block 20, so that coordinate lines can be drawn conveniently.

Further, vertical groove 6 and transverse groove 7 have been seted up on one side outer wall of coordinate board 5, and vertical groove 6 and transverse groove 7 are crossed perpendicularly, are provided with fixed plate 9 on one side outer wall of coordinate board 5, run through fastening nut 8 on one side outer wall of fixed plate 9, play fixed coordinate board 5's effect.

Furthermore, a threaded hole 21 is formed in the position, close to the sliding groove 22, on the inner wall of one side of the fixing plate 9, and the threaded hole 21 is screwed with the fastening nut 8 through threads.

Furthermore, a protractor 19 is arranged at a position, close to the damping rotating shaft 18, on the outer wall of one side of the fixed seat 17, and a supporting pad 13 is embedded in the outer wall of one side of the bottom plate 11, so that a teacher can support the bottom plate 11 by hands.

Further, be provided with on the one side outer wall of keeping away from coordinate board 5 on the commentaries on classics chi 3 and store box 1, seted up inner chamber 2 on one side outer wall of storing box 1, be convenient for deposit the chalk to take when being convenient for draw.

The working principle is as follows: in use, the rotary ruler 3 is rotated to a vertical angle with the fixed ruler 10 through the damping rotating shaft 18, through the accurate rotation of the protractor 19, the coordinate plate 5 is slid into the fixed ruler 10 through the slide block 20 and the slide groove 22, when one side of the coordinate plate 5 is in contact with the rotary ruler 3, the fastening nut 8 is positioned above the threaded hole 21, the fastening nut 8 is tightened, the coordinate plate 5 is fixed on the fixed ruler 10 through the screwing connection of the fastening nut 8 and the threaded hole 21, the bottom plate 11 is held by hand, whether the fixed scale 10 is in the horizontal state is judged according to the position of the air bubble 15 in the liquid injection cavity 16, when the air bubble 15 moves to the position of the central ring 14, one hand holds the fixed ruler 10, the other hand holds the chalk to draw lines in the longitudinal grooves 6 and the transverse grooves 7, the drawing of the coordinate frame is completed through the plurality of crossed longitudinal grooves 6 and the transverse grooves 7, and the change of a coordinate curve can be accurately drawn when the subsequent explanation is facilitated.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An advanced mathematics coordinate drawing device, includes bottom plate (11), its characterized in that: be provided with fixed ruler (10) on the outer wall of one side of bottom plate (11), be provided with fixing base (17) on the outer wall of one side of fixed ruler (10), it is connected with commentaries on classics chi (3) to rotate through damping pivot (18) on the outer wall of one side of fixing base (17), first scale groove (4) have been seted up on the outer wall of one side of commentaries on classics chi (3), second scale groove (12) have been seted up on the outer wall of one side of fixed ruler (10), the embedding has annotates liquid chamber (16) on the outer wall of one side of bottom plate (11), the inside of annotating liquid chamber (16) is provided with bubble (15), and is provided with central circle (14) on the outer wall of one side of annotat.

2. The advanced math coordinate drawing apparatus as defined in claim 1, wherein: the utility model discloses a coordinate measuring device, including fixed chi (10), has seted up spout (22) on one side outer wall of fixed chi (10), the inside sliding connection of spout (22) has slider (20), be provided with coordinate board (5) on the one side outer wall of keeping away from spout (22) on slider (20).

3. The advanced math coordinate drawing apparatus as set forth in claim 2, wherein: vertical slot (6) and transverse groove (7) have been seted up on one side outer wall of coordinate board (5), vertical slot (6) and transverse groove (7) vertical cross, be provided with fixed plate (9) on one side outer wall of coordinate board (5), it has fastening nut (8) to run through on one side outer wall of fixed plate (9).

4. A higher math coordinate drawing apparatus according to claim 3 wherein: and a threaded hole (21) is formed in the position, close to the sliding groove (22), on the inner wall of one side of the fixing plate (9), and the threaded hole (21) is connected with the fastening nut (8) in a screwing mode through threads.

5. The advanced math coordinate drawing apparatus as defined in claim 1, wherein: the damping rotating shaft device is characterized in that a protractor (19) is arranged at a position, close to one side of the damping rotating shaft (18), on the outer wall of one side of the fixed seat (17), and a bearing pad (13) is embedded into the outer wall of one side of the base plate (11).

6. The advanced math coordinate drawing apparatus as defined in claim 1, wherein: the coordinate plate is characterized in that a storage box (1) is arranged on the outer wall of one side, away from the coordinate plate (5), of the rotary ruler (3), and an inner cavity (2) is formed in the outer wall of one side of the storage box (1).