CN210970439U

CN210970439U - Drawing board for college mathematics teaching

Info

Publication number: CN210970439U
Application number: CN201920202741.6U
Authority: CN
Inventors: 金晶
Original assignee: Longdong University
Current assignee: Longdong University
Priority date: 2019-02-16
Filing date: 2019-02-16
Publication date: 2020-07-10
Anticipated expiration: 2029-02-16

Abstract

The utility model discloses a drawing board for college mathematical education, including the drawing board main part, be equipped with the drawing hole in the drawing board main part, and the drawing hole runs through the drawing board main part setting, be equipped with the device of brushing in the drawing hole, one side of drawing board main part is equipped with the circle of drawing device, and the opposite side of drawing board main part is equipped with the spout of vertical setting, sliding connection has slider in the spout, the last fixedly connected with telescoping device of slider, the scale plate of the vertical setting of slider's one end fixedly connected with is kept away from to the telescoping device. The utility model discloses be convenient for measure the length of setting-out, be convenient for demonstrate the calculation, and can assist the clearance to the blackboard, be convenient for carry on subsequent teaching.

Description

Drawing board for college mathematics teaching

Technical Field

The utility model relates to a drawing board technical field especially relates to a drawing board for college mathematical education.

Background

The mathematics learning content of university belongs to higher mathematics, and the main content is: the limit idea is the basic idea of calculus, which is a series of important concepts in mathematical analysis, such as continuity of function, derivative (maximum value obtained for 0), and definite integral, etc. are defined by means of limits. The limit is the basis for solving higher mathematic problems; calculus is the branch of mathematics that study the differentiation, integration, and related concepts and applications of functions in higher mathematics. It is a basic subject of mathematics and has important application in many fields; the concept of vector can make the geometry more easily applied to some natural science and technology fields, therefore, after the space analysis geometry introduces the space coordinate system, the concept of vector and its algebraic operation are introduced. In college mathematics teaching, a drawing board is required to be used for auxiliary teaching;

the existing drawing board is inconvenient to measure the length of a drawn line in the process of assisting mathematical teaching and is inconvenient to demonstrate and calculate, and therefore the drawing board for college mathematical teaching is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a drawing board for college mathematics teaching.

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

the utility model provides a college mathematics teaching is with drawing board, includes the drawing board main part, be equipped with the drawing hole in the drawing board main part, and the drawing hole runs through the drawing board main part setting, be equipped with the device of brushing in the drawing hole, one side of drawing board main part is equipped with the circle of drawing device, and the opposite side of drawing board main part is equipped with the spout of vertical setting, sliding connection has slider in the spout, the last fixedly connected with telescoping device of slider, the scale board of the vertical setting of slider's one end fixedly connected with is kept away from to the telescoping device.

Preferably, the telescoping device includes first branch and the second branch of level setting, and all is equipped with the scale on first branch and the second branch, first branch is hollow structure, and the second branch is inserted and is established in first branch.

Preferably, the brushing device includes the movable plate that the level set up, the dead lever that two symmetries of downthehole fixedly connected with of drawing set up, and the both ends of movable plate all overlap and establish on the dead lever, be equipped with the brush board on the lateral wall of movable plate, and be equipped with on the movable plate and match the recess that sets up with the brush board, the both ends of movable plate all are equipped with the inserted bar that the level set up, and the both ends of brush board all are equipped with and match the jack that sets up with the inserted bar, the both sides of movable plate all are equipped with the slip locking piece that matches the setting with the.

Preferably, the circle drawing device comprises a circular plate, and the circular plate is rotatably connected with the drawing board main body through two symmetrically arranged rotating rods.

Preferably, slider includes the sliding block, sliding connection has the mounting panel that two symmetries set up on the lateral wall of sliding block, two through a plurality of first spring coupling between the mounting panel, and two one side lateral walls that the mounting panel is carried on the back mutually all are connected with a plurality of pulleys.

Preferably, the one end fixedly connected with slide that the scale plate was kept away from to second branch, and the slide passes through the inner wall connection of a plurality of second springs with first branch, be equipped with the bar opening that sets up with the slide matching on the lateral wall of first branch, and the slide runs through the bar opening setting.

The utility model discloses well beneficial effect as follows:

1. the movable plate can slide in the drawing hole under the matching of the fixed rod so as to drive the brush plate to move in the vertical direction and clear the content on the blackboard, the inserting rod is drawn out to disconnect the brush plate and the movable plate, the brush plate is convenient to clean, the inserting rod can be locked by the sliding locking block, and the sliding block slides in the sliding groove under the matching of the first spring and the pulley so as to drive the telescopic device and the scale plate to move and facilitate auxiliary line drawing;

2. the rotating rod is rotated to rotate the circular plate to the upper end of the drawing hole, so that auxiliary circle drawing is facilitated, the sliding plate can drive the second supporting rod to move in the first supporting rod, the scale plate is driven to move, and the scales on the first supporting rod and the second supporting rod are convenient to draw lines and measure.

Drawings

Fig. 1 is a schematic structural view of a drawing board for university mathematics teaching according to the present invention;

fig. 2 is a schematic structural view of a telescopic device of a drawing board for university mathematics teaching according to the present invention;

fig. 3 is a schematic structural view of a brushing device of a drawing board for university mathematics teaching according to the present invention;

fig. 4 is the utility model provides a college mathematics teaching is with slide device of drawing board's schematic structure.

In the figure: the drawing board comprises a drawing board main body 1, a drawing hole 2, a sliding groove 3, a scale plate 4, a first supporting rod 5, a second supporting rod 6, a moving plate 7, a fixed rod 8, a brush plate 9, an inserted rod 10, a circular plate 11, a rotating rod 12, a sliding locking block 13, a sliding block 14, a mounting plate 15, a pulley 16 and a sliding plate 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. 1-4, a drawing board for college mathematics teaching comprises a drawing board main body 1, a drawing hole 2 is arranged on the drawing board main body 1, the drawing hole 2 is arranged through the drawing board main body 1, a brushing device is arranged in the drawing hole 2, the brushing device comprises a horizontally arranged moving plate 7, two symmetrically arranged fixed rods 8 are fixedly connected in the drawing hole 2, two ends of the moving plate 7 are sleeved on the fixed rods 8, a brush plate 9 is arranged on the side wall of the moving plate 7, a groove matched with the brush plate 9 is arranged on the moving plate 7, two ends of the moving plate 7 are respectively provided with a horizontally arranged inserted rod 10, two ends of the brush plate 9 are respectively provided with a jack matched with the inserted rod 10, two sides of the moving plate 7 are respectively provided with a sliding lock block 13 matched with the inserted rod 10, the sliding device comprises a sliding block 14, two symmetrically arranged mounting plates 15 are slidably connected on the side wall of the, the two mounting plates 15 are connected through a plurality of first springs, a plurality of pulleys 16 are connected to the side wall of one side of each of the two mounting plates 15, which is opposite to the other side, the movable plate 7 can slide in the drawing hole 2 under the cooperation of the fixed rod 8, so that the brush plate 9 is driven to move in the vertical direction, the content on the blackboard is removed, the connection between the brush plate 9 and the movable plate 7 can be disconnected by drawing the inserted link 10 out, the brush plate 9 is convenient to clean, the inserted link 10 can be locked by the sliding lock block 13, the sliding block 14 slides in the sliding groove 3 under the cooperation of the first springs and the pulleys 16, so that the telescopic device and the scale plate 4 are driven to move, and auxiliary line drawing is convenient;

one side of the drawing board main body 1 is provided with a circle drawing device, the other side of the drawing board main body 1 is provided with a vertically arranged chute 3, the circle drawing device comprises a circular plate 11, the circular plate 11 is rotatably connected with the drawing board main body 1 through two symmetrically arranged rotating rods 12, a sliding device is slidably connected in the chute 3, a telescopic device is fixedly connected on the sliding device, one end of the telescopic device, far away from the sliding device, is fixedly connected with a vertically arranged scale plate 4, the telescopic device comprises a first support rod 5 and a second support rod 6 which are horizontally arranged, scales are arranged on the first support rod 5 and the second support rod 6, the first support rod 5 is of a hollow structure, the second support rod 6 is inserted in the first support rod 5, one end of the second support rod 6, far away from the scale plate 4, is fixedly connected with a sliding plate 17, the sliding plate 17 is connected with the inner wall of the first support rod 5 through a plurality of second springs, the side wall of the, and slide 17 runs through the bar opening setting, rotates bull stick 12 and rotates plectane 11 to the upper end of drawing hole 2, is convenient for assist the drawing of circles, and slide 17 can drive second branch 6 at first branch 5 internalization to drive scale plate 4 motion, the scale on first branch 5 and the second branch 6 is convenient for carry out the setting-out and measures.

The utility model discloses in, before arranging the blackboard that needs the teaching in drawing board main part 1, movable plate 7 can slide in drawing hole 2 under the cooperation of dead lever 8, thereby drive brush board 9 and move in vertical direction, clear away the content on the blackboard, take the inserted bar 10 out and can make the disconnection of being connected of brush board 9 and movable plate 7, be convenient for wash brush board 9, slip locking block 13 can lock inserted bar 10, sliding block 14 slides in spout 3 under the cooperation of first spring and pulley 16, thereby drive telescoping device and scale plate 4 motion, be convenient for assist the setting-out, it rotates plectane 11 to the upper end of drawing hole 2 to rotate bull stick 12, be convenient for assist the drawing circle, slide 17 can drive second branch 6 at first branch 5 internal motion, thereby drive scale plate 4 motion, scale on first branch 5 and the second branch 6 is convenient for carry out the setting-out measurement.

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

1. The utility model provides a college mathematics teaching is with drawing board, includes drawing board main part (1), its characterized in that, be equipped with drawing hole (2) on drawing board main part (1), and drawing hole (2) run through drawing board main part (1) and set up, be equipped with the device of brushing in drawing hole (2), one side of drawing board main part (1) is equipped with the circle device of drawing, and the opposite side of drawing board main part (1) is equipped with spout (3) of vertical setting, sliding connection has slider in spout (3), fixedly connected with telescoping device on the slider, the telescoping device keeps away from scale board (4) of the vertical setting of slider's one end fixedly connected with.

2. The drawing board for college mathematics teaching according to claim 1, wherein said telescopic device comprises a first supporting rod (5) and a second supporting rod (6) which are horizontally arranged, and the first supporting rod (5) and the second supporting rod (6) are both provided with scales, said first supporting rod (5) is a hollow structure, and the second supporting rod (6) is inserted in the first supporting rod (5).

3. The drawing board for college mathematics teaching according to claim 1, wherein said brushing device comprises a horizontally arranged moving board (7), two symmetrically arranged fixing rods (8) are fixedly connected in said drawing hole (2), and both ends of said moving board (7) are sleeved on said fixing rods (8), a brushing board (9) is arranged on the side wall of said moving board (7), and a groove matched with said brushing board (9) is arranged on said moving board (7), both ends of said moving board (7) are provided with horizontally arranged insertion rods (10), both ends of said brushing board (9) are provided with insertion holes matched with said insertion rods (10), both sides of said moving board (7) are provided with sliding locking blocks (13) matched with said insertion rods (10).

4. The drawing board for college mathematics teaching according to claim 1, characterized in that said circle drawing device comprises a circular plate (11), said circular plate (11) is rotatably connected with the drawing board body (1) through two symmetrically arranged rotating rods (12).

5. The drawing board for university mathematics teaching as claimed in claim 1, wherein the sliding device comprises a sliding block (14), two symmetrically arranged mounting plates (15) are slidably connected to the side wall of the sliding block (14), the two mounting plates (15) are connected through a plurality of first springs, and a plurality of pulleys (16) are connected to the side wall of the two mounting plates (15) opposite to each other.

6. The drawing board for college mathematics teaching of claim 2, wherein the end of said second supporting rod (6) far from the scale plate (4) is fixedly connected with a sliding plate (17), and the sliding plate (17) is connected with the inner wall of the first supporting rod (5) through a plurality of second springs, the side wall of said first supporting rod (5) is provided with a strip-shaped opening matched with the sliding plate (17), and the sliding plate (17) is arranged through the strip-shaped opening.