CN211641629U

CN211641629U - Integrated high-number teaching tool

Info

Publication number: CN211641629U
Application number: CN202020074541.XU
Authority: CN
Inventors: 吴维峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-09
Anticipated expiration: 2030-01-14

Abstract

The utility model belongs to the technical field of teaching tools, a integrated high-count teaching tool is disclosed, the round hole that includes rectangular plate, rectangular plate one end and the curve drawing structure that the rectangular plate kept away from the round hole end are drawn to the round hole, the rectangular plate deviates from the curve drawing structure end and is equipped with the right angle calibration board, the right angle calibration board rotates to be connected in rectangular plate corner, the right angle calibration board is equipped with four altogether, four corners of corresponding rectangular plate have seted up the rotation groove, the rotation inslot is fixed with the dead lever, the right angle calibration board rotates to be connected in the dead lever outside, the round hole periphery is equipped with supplementary drawing subassembly; the utility model discloses a can draw circular, rectangle, straight line, curve simultaneously, satisfy advanced math teaching's content completely, increase the lecture efficiency in the class, and the right angle calibration plate can accomodate to the rectangular plate back, does not occupy extra space, conveniently carries.

Description

Integrated high-number teaching tool

Technical Field

The utility model belongs to the technical field of teaching tool, especially, relate to an integration type high number teaching tool.

Background

In the process of advanced mathematical education, mathematical teachers often need to draw various figures such as coordinate graphs, rectangles, circles, curves and the like on a blackboard, and some teachers draw the figures quickly and by hand feel to cause inaccurate and unattractive figures, so that the drawing tool is an essential tool in the process of mathematical education; while teachers often need to bring various drawing tools such as rulers, set squares, compasses and the like in class, which is very troublesome, increases the burden of teachers and delays a lot of time; moreover, when a straight line forming various angles with the reference line needs to be drawn on the blackboard, various teaching tools including a ruler, compasses, an angle measuring instrument and the like need to be used at the same time, and the drawing is complicated; therefore, a drawing device for mathematical education is provided.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides an integration type high number teaching tool.

The utility model discloses a realize like this, a integration type high number teaching tool includes that the round hole of rectangular plate, rectangular plate one end and the curve that the round hole end was kept away from to the rectangular plate draw the structure, the rectangular plate deviates from the curve draws the structure end and is equipped with the right angle calibration board, the right angle calibration board rotates to be connected rectangular plate corner, the right angle calibration board is equipped with four altogether, and four corners of corresponding rectangular plate have seted up the rotation groove, it is fixed with the dwang to rotate inslot portion, the right angle calibration board rotates to be connected the dwang is outside, the round hole periphery is equipped with supplementary subassembly of drawing.

The utility model relates to a preferred technical scheme of integration type height teaching tool, the structure is drawn to the curve is including seting up square through groove on the rectangular plate, the inside one side of square through groove slides and is connected with the kicking block, square through groove below is equipped with the spout, kicking block one end is fixed with the drive block, the drive block stretches out logical groove.

As the utility model relates to an integration type high number teaching tool preferred technical scheme, the kicking block front end is convex setting.

The utility model relates to an integration type high number teaching tool preferred technical scheme, the right angle calibration board is close to rectangular plate side length end is fixed with dials the piece, dial the piece and keep away from right angle transposition piece end is fixed with the antislip strip, the antislip strip is equipped with a plurality ofly along dialling piece length direction.

The utility model relates to a preferred technical scheme of integration type height teaching tool, supplementary drawing subassembly is including seting up round hole outlying ring channel on the rectangular plate, the inside slider that is connected with that slides of ring channel, the ring channel end is kept away from to the slider, the inside telescopic link that is connected with that slides of dead lever, the through-hole has been seted up to the telescopic link keeping away from the fixed rod end, the inside mounting that is equipped with of through-hole.

As the utility model relates to an integration type high number teaching tool preferred technical scheme, the mounting is including fixing two springs of symmetry on the through-hole inner wall, every the through-hole inner wall end is kept away from to the spring is fixed with the grip block.

The utility model discloses an advantage and positive effect do: the utility model is provided with a curve drawing structure, which comprises a square through groove arranged on a rectangular plate, wherein one side inside the square through groove is connected with a top block in a sliding way, a chute is arranged below the square through groove, one end of the top block is fixed with a driving block, the driving block extends out of the through groove, so that curve patterns can be conveniently drawn, and the requirement of high class contents is met; the auxiliary drawing assembly comprises an annular groove formed in the periphery of a round hole in the rectangular plate, a sliding block is connected to the inside of the annular groove in a sliding mode, a fixing rod is fixed to the end, away from the annular groove, of the sliding block, a telescopic rod is connected to the inside of the fixing rod in a sliding mode, a through hole is formed in the end, away from the fixing rod, of the telescopic rod, a fixing piece is arranged inside the through hole, circular drawing can be achieved by rotating the sliding block, meanwhile, the front end of the sliding block is provided with the telescopic rod, the telescopic rod can be adjusted, circular patterns with different sizes; and be equipped with the right angle calibration board and rotate to connect in rectangular plate corner, can calibrate when drawing the rectangle, and the right angle calibration board can be accomodate to rectangular plate back, does not occupy extra space, conveniently carries.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic bottom view of an embodiment of the present invention;

fig. 3 is an enlarged schematic view of the position I in fig. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of fig. 2 at II according to an embodiment of the present invention;

in the figure: 1. a rectangular plate; 2. a circular hole; 3. drawing a structure by a curve; 31. a square through groove; 32. a top block; 33. a chute; 34. a drive block; 4. a right angle calibration plate; 5. a rotating groove; 6. rotating the rod; 7. an auxiliary rendering component; 71. an annular groove; 72. a slider; 73. fixing the rod; 74. a telescopic rod; 75. a through hole; 76. a spring; 77. a clamping block; 8. a shifting block; 9. and (4) an anti-slip strip.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides an integration type high number teaching tool includes that round hole 2 and the curve that rectangular plate 1 kept away from round hole 2 end of rectangular plate 1, 1 one end of rectangular plate draw structure 3, rectangular plate 1 deviates from structure 3 end is drawn to the curve is equipped with right angle calibration board 4, right angle calibration board 4 rotates to be connected 1 corner of rectangular plate, right angle calibration board 4 is equipped with four altogether, and rotation groove 5 has been seted up to 1 four corners of corresponding rectangular plate, it is fixed with dwang 6 to rotate 5 inside in groove, right angle calibration board 4 rotates to be connected dwang 6 is outside, 2 peripheries of round hole are equipped with supplementary subassembly 7 of drawing.

Specifically, structure 3 is drawn to curve is including seting up square through groove 31 on the rectangular plate 1, the inside one side of square through groove 31 slides and is connected with kicking block 32, square through groove 31 below is equipped with spout 33, kicking block 32 one end is fixed with driving block 34, driving block 34 stretches out spout 33.

Specifically, the front end of the top block 32 is arranged in a circular arc shape.

Specifically, the right-angle calibration plate 4 is close to the side end of the rectangular plate 1, the poking block 8 is fixed to the side end of the rectangular plate 1, the poking block 8 is far away from the side end of the right-angle calibration block 4, the anti-slip strip 9 is fixed to the side end of the right-angle calibration block, and the anti-slip strip 9 is provided with a plurality of anti-slip strips along the length direction of the.

Specifically, supplementary subassembly 7 of drawing is including seting up the peripheral ring channel 71 of round hole on the rectangular plate 1, the inside sliding connection of ring channel 71 is connected with slider 72, slider 72 is kept away from ring channel 71 end and is fixed with dead lever 73, the inside sliding connection of dead lever 73 is connected with telescopic link 74, telescopic link 74 is kept away from dead lever 73 end and has been seted up through-hole 75, the inside mounting that is equipped with of through-hole 75.

Specifically, the fixing member includes two symmetrical springs 76 fixed on the inner wall of the through hole 75, and each of the springs 76 is fixed with a clamping block 77 away from the inner wall of the through hole 75.

The utility model discloses a theory of operation: when the rectangular calibration plate is used, the rectangular plate 1 is attached to a blackboard, when a rectangle needs to be drawn, the drawing is performed along the side edge of the rectangular plate 1, the shifting block 8 is shifted, and the right-angle calibration plate 4 is shifted to be perpendicular to the rectangular plate 1 to draw the rectangle; when a curve is drawn, two points are drawn in the square through groove 31, the driving block 34 is adjusted to slide in the sliding groove 33 according to the radian of the curve to be drawn, the top block 32 is ejected to the position between the two points, the ejection distance of the top block 32 is changed along with the radian of the curve, and the two points are connected along the top block 32, so that the curve can be drawn; when drawing circularly, the size of drawing more, with the chalk joint between two grip blocks 77, slide along ring channel 71 through drive slider 72, carry out circular drawing, when the not circular of equidimension is drawn to needs, through the extension length of adjusting telescopic link 74, change.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an integration type high number teaching tool, a serial communication port, integration type high number teaching tool includes that round hole (2) and rectangular plate (1) of rectangular plate (1), rectangular plate (1) one end are kept away from curve drawing structure (3) of round hole (2) end, rectangular plate (1) deviates from curve drawing structure (3) end is equipped with right angle calibration board (4), right angle calibration board (4) rotate to be connected rectangular plate (1) corner, right angle calibration board (4) are equipped with four altogether, and rotation groove (5) have been seted up to four corners of corresponding rectangular plate (1), rotation groove (5) inside is fixed with dwang (6), right angle calibration board (4) rotate to be connected dwang (6) outside, round hole (2) are equipped with the supplementary subassembly (7) of drawing.

2. The integrated high-count teaching tool according to claim 1, wherein the curve-drawing structure (3) comprises a square through groove (31) formed in the rectangular plate (1), a top block (32) is connected to one side of the inside of the square through groove (31) in a sliding manner, a sliding groove (33) is formed below the square through groove (31), a driving block (34) is fixed to one end of the top block (32), and the driving block (34) extends out of the sliding groove (33).

3. The integrated high-count teaching tool according to claim 2, wherein the front end of the top block (32) is arranged in a circular arc shape.

4. The integrated high-count teaching tool as claimed in claim 1, wherein a toggle block (8) is fixed on the right-angle calibration plate (4) near the side end of the rectangular plate (1), an anti-slip strip (9) is fixed on the toggle block (8) far from the right-angle calibration plate (4), and a plurality of anti-slip strips (9) are arranged along the length direction of the toggle block (8).

5. The integrated high-count teaching tool as claimed in claim 1, wherein the auxiliary drawing component (7) comprises an annular groove (71) formed in the periphery of the circular hole of the rectangular plate (1), a sliding block (72) is connected inside the annular groove (71) in a sliding manner, a fixing rod (73) is fixed to the sliding block (72) far away from the end of the annular groove (71), an expansion rod (74) is connected inside the fixing rod (73) in a sliding manner, a through hole (75) is formed in the expansion rod (74) far away from the end of the fixing rod (73), and a fixing member is arranged inside the through hole (75).

6. The integrated high-count teaching tool according to claim 5, wherein the fixing member comprises two springs (76) symmetrically fixed on the inner wall of the through hole (75), and each of the springs (76) is fixed with a clamping block (77) away from the inner wall of the through hole (75).