CN214905206U - Circle drawing auxiliary device for mathematics and applied mathematics - Google Patents
Circle drawing auxiliary device for mathematics and applied mathematics Download PDFInfo
- Publication number
- CN214905206U CN214905206U CN202120133869.9U CN202120133869U CN214905206U CN 214905206 U CN214905206 U CN 214905206U CN 202120133869 U CN202120133869 U CN 202120133869U CN 214905206 U CN214905206 U CN 214905206U
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- mathematics
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- drawing board
- pole
- going
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- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a circle drawing auxiliary device for mathematics and applied mathematics, including base and drawing board, the base top is equipped with the lift mobile jib, lift mobile jib top is equipped with rotary platform, the drawing board bottom mounting is on rotary platform, drawing board upper end and lower extreme edge are equipped with the slide rail that the level was just parallel to each other, be equipped with vertical slide bar between the slide rail, slide bar both ends are connected and are located the slider in the slide rail, be equipped with the sleeve pipe that cup joints on the slide bar, be equipped with the circle arm of drawing parallel with the drawing board on the sleeve pipe. A draw circle auxiliary device for mathematics and applied mathematics, through slider, slide bar and sheathed tube removal, it can be in every fixed centre of a circle of drawing board to drive the arm of drawing a circle, has the sucking disc on the branch of confirming the centre of a circle and can make when drawing a circle more stable, the telescopic link that has the scale can select easily and draw the circle radius, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a circle drawing auxiliary device technical field specifically indicates a circle drawing auxiliary device who is used for mathematics and applied mathematics.
Background
The existing blackboard is generally used for drawing pictures by holding a ruler with one hand of a person and drawing lines by holding a chalk with one hand, the drawn figures are not standard enough and bring inconvenience to the teaching person in the drawing process, and the blackboard is generally fixed in position and cannot be seen clearly by all people, so that the teaching quality is influenced, and the use requirements of people cannot be met. Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above problem, provide a drawing circle auxiliary device for mathematics and applied mathematics.
In order to solve the technical problem, the utility model provides a technical scheme does: a draw circle auxiliary device for mathematics and applied mathematics, including base and drawing board, the base top is equipped with the lift mobile jib, lift mobile jib top is equipped with rotary platform, the drawing board bottom mounting is on rotary platform, drawing board upper end and lower extreme edge are equipped with the slide rail that the level just is parallel to each other, be equipped with vertical slide bar between the slide rail, the slider in locating the slide rail is connected at the slide bar both ends, be equipped with the sleeve pipe that cup joints on the slide bar, be equipped with the drawing circle arm parallel with the drawing board on the sleeve pipe.
Further, the lift mobile jib includes outer pole of going up and down and the pole in going up and down, rotary platform is connected on the pole top in going up and down, the pole bottom in going up and down wears to establish the outer pole top of going up and down and is equipped with the bayonet screw rod of adaptation at the tip, the screw rod is vertical to be located inside the outer pole of going up and down, the inside bottom of outer pole of going up and down is equipped with the revolving stage, the screw rod bottom mounting is on the revolving stage, pole department is equipped with bevel gear in stretching out the lift in the screw rod bottom, outer pole one side of going up and down is equipped with rotatory handle, rotatory handle wears to establish outer pole of going up and down and tip and screw rod and passes through the bevel gear transmission and be connected.
Further, the circle drawing arm comprises a connecting rod and a telescopic rod, a rotary connecting block is arranged on one side of the sleeve, the rotary connecting block is connected to one end of the connecting rod, a rotary shaft is arranged on the other end of the connecting rod, the connecting rod is connected with the telescopic rod through the rotary shaft in a rotating mode, a supporting rod is arranged on one side, facing the drawing board, of the rotary shaft, and a chalk placing sleeve is arranged at the tail end of the telescopic rod.
Further, the rotation plane of swivelling joint piece and rotation axis all is parallel with the drawing board.
Furthermore, a universal wheel and an adjusting support are arranged below the base.
Furthermore, a sucker is arranged at the end part of the supporting rod.
Furthermore, a graduated scale is arranged on the telescopic rod.
Furthermore, an anti-skid sleeve is arranged on the rotating handle.
Compared with the prior art, the utility model the advantage lie in: the circle drawing auxiliary device for mathematics and applied mathematics of the utility model drives the circle drawing arm to fix the circle center at each position of the drawing board through the movement of the slide block, the slide bar and the sleeve, the support rod for determining the circle center is provided with the sucking disc to enable the circle drawing to be more stable, the telescopic rod with the graduated scale can easily select the circle drawing radius, the structure is simple, and the use is convenient; through bevel gear structure and lift mobile jib, use outside rotation handle can manually regulated drawing board height, the drawing board bottom is equipped with rotary platform simultaneously and can freely rotate to make the angle greatly increased that the drawing board can demonstrate, let the people of different positions can both see clearly, thereby improved bandwagon effect and teaching quality.
Drawings
Fig. 1 is a schematic structural diagram of a circle drawing auxiliary device for mathematics and applied mathematics of the present invention.
Fig. 2 is a schematic structural diagram of the lifting main rod of the circle drawing auxiliary device for mathematics and applied mathematics.
Fig. 3 is a front view structure diagram of a circle drawing arm of a circle drawing auxiliary device for mathematics and applied mathematics of the utility model.
Figure 4 is the utility model discloses a look down configuration diagram of circle drawing arm of circle drawing auxiliary device for mathematics and applied mathematics.
As shown in the figure: 1. the base, 2, lift mobile jib, 3, the drawing board, 4, the slide rail, 5, the slider, 6, the slide bar, 7, the sleeve pipe, 8, drawing circular arm, 9, the swivelling joint piece, 10, the connecting rod, 11, the rotation axis, 12, the telescopic link, 13, the chalk is placed the cover, 14, the scale, 15, branch, 16, the chalk, 17, the interior pole that goes up and down, 18, the outer pole that goes up and down, 19, the screw rod, 20, the stopper, 21, bevel gear, 22, rotatory handle, 23, antiskid cover, 24, the revolving stage, 25, fixing support, 26, the universal wheel, 27, the baffle, 28, rotary platform, 29, the sucking disc.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
As shown in fig. 1 to 4, a circle drawing auxiliary device for mathematics and applied mathematics, including base 1 and drawing board 3, base 1 top is equipped with lift mobile jib 2, 2 tops of lift mobile jib are equipped with rotary platform 28, 3 bottom mounting of drawing board are on rotary platform 28, 3 upper ends of drawing board and lower extreme edge are equipped with the level and the parallel slide rail 4 of each other, be equipped with vertical slide bar 6 between the slide rail 4, slide bar 6 both ends are connected and are located slider 5 in the slide rail 4, be equipped with the sleeve pipe 7 that cup joints on the slide bar 6, be equipped with the circle drawing arm 8 parallel with drawing board 3 on the sleeve pipe 7.
Lifting mobile jib 2 includes outer pole 18 of lift and the pole 17 in the lift, rotary platform 28 is connected on the pole 17 top in the lift, the pole 17 bottom in the lift is worn to establish 18 tops of outer pole of lift and is equipped with bayonet screw rod 19 of adaptation at the tip, 19 vertical outer poles 18 insides of locating the lift of screw rod, the inside bottom of outer pole 18 of lift is equipped with revolving stage 24, 19 bottom sprayings of screw rod are on revolving stage 24, pole 17 department is equipped with bevel gear 21 in stretching out the lift in the screw rod 19 bottom, 18 one side of outer pole of lift is equipped with rotatory handle 22, rotatory handle 22 is worn to establish outer pole 18 of lift and tip and screw rod 19 and is connected through bevel gear 21 transmission.
Drawing arm 8 includes connecting rod 10 and telescopic link 12, sleeve pipe 7 one side is equipped with swivelling joint piece 9, swivelling joint piece 9 is connected to connecting rod 10 one end, the connecting rod 10 other end is equipped with rotation axis 11, connecting rod 10 passes through rotation axis 11 with telescopic link 12 and rotates and be connected, rotation axis 11 is equipped with branch 15 towards one side of drawing board 3, 16 ends of telescopic link are equipped with the chalk and place cover 13. The rotation plane of the rotary connecting block 9 and the rotation axis 11 is parallel to the drawing board 3. A universal wheel 26 and an adjusting support 25 are arranged below the base 1. The end of the supporting rod 15 is provided with a suction cup 29. The telescopic rod 12 is provided with a graduated scale 14. The rotating handle 2 is provided with an anti-slip sleeve 23.
The utility model discloses when concrete implementation, at first use the universal wheel 26 to remove this device to the place that needs, then adjust fixing support 25 and make the device fixed, rotate rotatory handle 22, it is rotatory to drive screw rod 19 through bevel gear 21's transmission effect, and screw rod 19 drives interior pole 17 of going up and down of lift to adjust drawing board 3 height. The chalk 16 is placed in the chalk placing sleeve 13, the sliding block 5 determines an X axis, the sliding sleeve determines a Y axis, the supporting rod 15 corresponds to the circle center position of a circle to be drawn, the telescopic rod 12 is stretched, the required radius is selected according to the graduated scale 14, and the telescopic rod 12 is rotated through the rotating shaft 11, so that the circle can be drawn. By rotating the platform 28 or the universal wheels 26, the orientation of the drawing board 3 can be adjusted according to actual needs.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. A draw circle auxiliary device for mathematics and applied mathematics, including base (1) and drawing board (3), its characterized in that: base (1) top is equipped with lift mobile jib (2), lift mobile jib (2) top is equipped with rotary platform (28), drawing board (3) bottom mounting is on rotary platform (28), drawing board (3) upper end and lower extreme edge are equipped with slide rail (4) that the level just is parallel to each other, be equipped with vertical slide bar (6) between slide rail (4), slide bar (6) both ends are connected and are located slider (5) in slide rail (4), be equipped with sleeve pipe (7) that cup joints on slide bar (6), be equipped with drawing round arm (8) parallel with drawing board (3) on sleeve pipe (7).
2. A circle drawing aid for mathematics and applied mathematics as claimed in claim 1, wherein: lifting main pole (2) are including outer pole (18) and the interior pole (17) of going up and down, rotatory platform (28) is connected on lifting interior pole (17) top, pole (17) bottom is worn to establish outer pole (18) top of going up and down and is equipped with bayonet screw rod (19) of adaptation at the tip in going up and down, screw rod (19) are vertical to be located and go up and down outer pole (18) inside, the inside bottom of outer pole (18) of going up and down is equipped with revolving stage (24), screw rod (19) bottom mounting is on revolving stage (24), pole (17) department is equipped with bevel gear (21) in stretching out the lift in screw rod (19) bottom, outer pole (18) one side of going up and down is equipped with rotatory handle (22), rotatory handle (22) are worn to establish outer pole (18) of going up and down and tip and screw rod (19) are connected through bevel gear (21) transmission.
3. A circle drawing aid for mathematics and applied mathematics as claimed in claim 1, wherein: draw circular arm (8) including connecting rod (10) and telescopic link (12), sleeve pipe (7) one side is equipped with swivelling joint piece (9), swivelling joint piece (9) are connected to connecting rod (10) one end, the connecting rod (10) other end is equipped with rotation axis (11), connecting rod (10) are rotated through rotation axis (11) with telescopic link (12) and are connected, rotation axis (11) are equipped with branch (15) towards one side of drawing board (3), telescopic link (16) end is equipped with the chalk and places cover (13).
4. A circle drawing aid for mathematics and applied mathematics as claimed in claim 3, wherein: the rotary plane of the rotary connecting block (9) and the rotary shaft (11) is parallel to the drawing board (3).
5. A circle drawing aid for mathematics and applied mathematics as claimed in claim 1, wherein: the universal wheel (26) and the adjusting support (25) are arranged below the base (1).
6. A circle drawing aid for mathematics and applied mathematics as claimed in claim 3, wherein: the end part of the supporting rod (15) is provided with a sucking disc (29).
7. A circle drawing aid for mathematics and applied mathematics as claimed in claim 3, wherein: the telescopic rod (12) is provided with a graduated scale (14).
8. A circle drawing aid for mathematics and applied mathematics as claimed in claim 2, wherein: and an anti-skid sleeve (23) is arranged on the rotating handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133869.9U CN214905206U (en) | 2021-01-19 | 2021-01-19 | Circle drawing auxiliary device for mathematics and applied mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133869.9U CN214905206U (en) | 2021-01-19 | 2021-01-19 | Circle drawing auxiliary device for mathematics and applied mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214905206U true CN214905206U (en) | 2021-11-30 |
Family
ID=79079386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120133869.9U Expired - Fee Related CN214905206U (en) | 2021-01-19 | 2021-01-19 | Circle drawing auxiliary device for mathematics and applied mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214905206U (en) |
-
2021
- 2021-01-19 CN CN202120133869.9U patent/CN214905206U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |