CN218084869U - Drawing instrument for middle-position mathematics linear equation - Google Patents
Drawing instrument for middle-position mathematics linear equation Download PDFInfo
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- CN218084869U CN218084869U CN202221624038.2U CN202221624038U CN218084869U CN 218084869 U CN218084869 U CN 218084869U CN 202221624038 U CN202221624038 U CN 202221624038U CN 218084869 U CN218084869 U CN 218084869U
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- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the teaching device technique and specifically relates to a middle-position mathematics linear equation plotter, including the installation plectane, install the reference column on the base face of installation plectane, it is connected with first straight board to rotate on the outer wall of reference column, one side of first straight board just is located the outer wall of reference column and rotates and be connected with the straight board of second, install the locating piece on the terminal surface of reference column, the utility model discloses a set up the locating hole and seted up the multiunit and be located respectively under the effect on the outer wall of locating piece, rotate the straight board of second and make locating component rotate on the outer wall of locating piece, make sliding block card go into on the inner wall of locating hole under expanding spring's effect, the centre of a circle of locating hole and the effect of the center line of locating piece are 5 under, to the better control of the precision of angle, rotate the straight board of second and rotate on the outer wall of reference column, all be provided with the scale on the outer wall of first straight board and the straight board of second, expand and obtain double length to draw, and the practicality is better.
Description
Technical Field
The utility model relates to a teaching device technical field specifically is a middle-position mathematics linear equation plotter.
Background
Present middle-duty mathematics linear equation plotter can not the increase of service use when drawing the use, can only use multiunit plotter concatenation when drawing the demand on a large scale, uses and inconvenient comparatively complicated, and the drawing effect is relatively poor, and when using, the functional of plotter is few, can not satisfy multiple high accuracy drawing demand, can not ensure the problem of portability and functional simultaneously.
There is therefore a need for a drawing instrument for the intermediate-occupational mathematical linear equation which ameliorates the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a middle-position mathematics linear equation plotter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a middle-position mathematics linear equation plotter comprises an installation circular plate, wherein a positioning column is installed on a base surface of the installation circular plate, a first straight plate is rotatably connected to the outer wall of the positioning column, a second straight plate is rotatably connected to one side of the first straight plate and the outer wall of the positioning column, a positioning block is installed on the end surface of the positioning column, a positioning hole is formed in the outer wall of the positioning block, a positioning assembly is installed on the base surface of the second straight plate, an installation hole is formed in the outer wall of the second straight plate, and a rubber mat is installed on the inner wall of the installation hole;
the locating component comprises an installation sleeve, the sleeve is installed on the base surface of the second straight plate, an expansion spring is installed on the inner wall of the installation sleeve, and sliding blocks are connected to the port of the sleeve in a sliding mode.
As the utility model discloses preferred scheme, the length of first straight board is a bit shorter than the length of second straight board, the second straight board is located first straight board directly over, all be provided with the scale on the outer wall of first straight board and second straight board.
As the utility model discloses preferred scheme, the locating hole is seted up the multiunit and is located the outer wall of locating piece respectively, the angle of the centre of a circle of locating hole and the center line of locating piece is 5.
As the utility model discloses preferred scheme, the sliding block is the arc structure, expanding spring's one end is connected with the sliding block.
As the utility model discloses preferred scheme, the material of cushion is rubber materials, the cushion is the arc structure.
As the utility model discloses preferred scheme, the locating hole is located locating component directly over, the connected mode of sliding block and locating hole is sliding connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, when using through the mathematics linear equation plotter of middle-position work, install the reference column on the base face of installation plectane, it is connected with first straight board to rotate on the outer wall of reference column, one side of first straight board just is located and rotates on the outer wall of reference column and be connected with the second straight board, when length is not enough, rotate the second straight board, make the second straight board rotate on the outer wall of reference column, it draws to expand to obtain double length with it, all be provided with the scale on the outer wall of first straight board and second straight board, the practicality is better, thereby be of value to and solve current mathematics linear equation plotter of middle-position work when using, the plotter can not the increase of service when the drawing uses, can only use the concatenation of multiunit plotter when drawing demand on a large scale, use and inconvenience is comparatively complicated, the drawing effect is relatively poor.
2. The utility model discloses in, be provided with locating component on the base face of second straight board through middle-position mathematics linear equation plotter, the locating hole is located locating component directly over, seted up the multiunit at the locating hole and be located respectively under the effect on the outer wall of locating piece, it makes locating component rotate on the outer wall of locating piece to rotate the second straight board, make sliding block card go into on the inner wall of locating hole under expanding spring's effect, the centre of a circle of locating hole and the effect of the center-line of locating piece are 5 under, better the accuse to the precision of angle, be convenient for draw the radian, can insert the chalk on the inner wall of mounting hole, the cushion is the radian structure, with the chalk chucking, be convenient for carry out the radian drawing, thereby be of value to and solve when using, the functionality of plotter is few, can not satisfy multiple high accuracy drawing demand, can not ensure portability and functional problem simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the positioning post of the present invention;
fig. 3 is a schematic view of the parsing structure of the positioning assembly of the present invention.
In the figure: 1. mounting a circular plate; 2. a positioning column; 3. a first straight plate; 4. a second straight plate; 5. positioning a block; 6. positioning holes; 7. a positioning assembly; 701. a sleeve; 702. a tension spring; 703. a slider; 8. mounting holes; 9. a rubber pad.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.
In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, please refer to fig. 1-3, the present invention provides a technical solution:
a middle-position mathematics linear equation plotter comprises an installation circular plate 1, wherein a positioning column 2 is installed on a base surface of the installation circular plate 1, a first straight plate 3 is rotatably connected to the outer wall of the positioning column 2, a second straight plate 4 is rotatably connected to one side of the first straight plate 3 and the outer wall of the positioning column 2, a positioning block 5 is installed on the end surface of the positioning column 2, a positioning hole 6 is formed in the outer wall of the positioning block 5, a positioning component 7 is installed on the base surface of the second straight plate 4, an installation hole 8 is formed in the outer wall of the second straight plate 4, and a rubber pad 9 is installed on the inner wall of the installation hole 8;
the length of the first straight plate 3 is shorter than that of the second straight plate 4, so that chalk cannot be conveniently installed in the installing hole 8 in a shielding mode, the second straight plate 4 is located right above the first straight plate 3 and is convenient to take, scales are arranged on the outer walls of the first straight plate 3 and the second straight plate 4, the scales are convenient to identify, a plurality of groups of locating holes 6 are formed in the locating holes and are respectively located on the outer wall of the locating block 5, the installing hole 8 is formed in the outer wall of the second straight plate 4, a rubber pad 9 is installed on the inner wall of the installing hole 8, the rubber pad 9 is made of rubber materials, the rubber pad 9 is in a radian structure and clamps chalk tightly, radian drawing is convenient to carry out, and therefore the problems that when the drawing instrument is used, the functionality of the drawing instrument is few, various high-precision drawing requirements cannot be met, and portability and functionality cannot be simultaneously guaranteed are solved;
in this embodiment, referring to fig. 2 and 3, the positioning assembly 7 includes a mounting sleeve 701, the sleeve 701 is mounted on the base surface of the second straight plate 4, an extension spring 702 is mounted on the inner wall of the mounting sleeve 701, a sliding block 703 is slidably connected to a port of the sleeve 701, the sliding block 703 is of an arc structure, one end of the extension spring 702 is connected to the sliding block 703, the positioning hole 6 is located right above the positioning assembly 7, the sliding block 703 and the positioning hole 6 are connected in a sliding manner, the sliding block 703 slides out of the inner wall of the positioning hole 6, and the sliding block 703 compresses the extension spring 702 downward, so that the angle between the center of the positioning hole 6 and the center of the positioning block 5 is 5 °, the angle is controlled better for the accuracy of the angle, and the radian can be drawn conveniently.
The utility model discloses work flow: middle-duty mathematics linear equation plotter is when using, through install reference column 2 on the base face of installation plectane 1, it is connected with first straight plate 3 to rotate on the outer wall of reference column 2, one side of first straight plate 3 just is located and rotates under the effect that is connected with second straight plate 4 on the outer wall of reference column 2, when length is not enough drawing, rotate second straight plate 4, make second straight plate 4 rotate on the outer wall of reference column 2, all be provided with under the effect of scale on the outer wall of first straight plate 3 and second straight plate 4, expand second straight plate 4 and obtain double length and draw, the practicality is better, thereby be of value to solving current middle-duty mathematics linear equation plotter when using, the plotter can not the increase of use when drawing the use, can only use multiunit plotter concatenation when drawing demand on a large scale, use and be inconvenient comparatively complicated, the drawing effect is relatively poor.
When the positioning device is used, the positioning block 5 is arranged on the end face of the positioning column 2, the outer wall of the positioning block 5 is provided with the positioning hole 6, the base surface of the second straight plate 4 is provided with the positioning component 7, the positioning component 7 comprises the mounting sleeve 701, the sleeve 701 is arranged on the base surface of the second straight plate 4, the inner wall of the mounting sleeve 701 is provided with the telescopic spring 702, the port of the sleeve 701 is connected with the sliding block 703 in a sliding manner, the positioning holes 6 are provided with a plurality of groups and are respectively positioned on the outer wall of the positioning block 5, when the second straight plate 4 is rotated, the second straight plate 4 drives the positioning component 7 to move, the positioning hole 6 is positioned right above the positioning component 7, when the second straight plate 4 drives the sliding block sleeve 701 to move, the position of the arc structure of the sliding block 703 slides out on the inner wall of the positioning hole 6 under the sliding connection effect of the sliding block 703 and the positioning hole 6, simultaneously sliding block 703 compresses expanding spring 702 downwards, when rotating next locating hole 6, expanding spring 702 stretches out and promotes on sliding block 703 card goes into the inner wall of locating hole 6, fix a position, the angle of the centre of a circle of locating hole 6 and the center-connected line of locating piece 5 is under 5 effects, to the better control of the precision of angle, be convenient for draw the radian, one end at expanding spring 702 is connected with sliding block 703, mounting hole 8 has been seted up on the outer wall of second straight plate 4, install cushion 9 on the inner wall of mounting hole 8, the material of cushion 9 is rubber materials, cushion 9 is the radian structure with the chalk chucking, be convenient for carry out the radian and draw, thereby be of value to when solving and using, the functionality of plotter is few, can not satisfy multiple high accuracy drawing demand, can not ensure the problem of portability and functionality simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A middle-position mathematics linear equation plotter comprises a mounting circular plate (1) and is characterized in that: a positioning column (2) is installed on a base surface of the mounting circular plate (1), a first straight plate (3) is rotatably connected to the outer wall of the positioning column (2), a second straight plate (4) is rotatably connected to one side of the first straight plate (3) and the outer wall of the positioning column (2), a positioning block (5) is installed on the end surface of the positioning column (2), a positioning hole (6) is formed in the outer wall of the positioning block (5), a positioning component (7) is installed on the base surface of the second straight plate (4), a mounting hole (8) is formed in the outer wall of the second straight plate (4), and a rubber mat (9) is installed on the inner wall of the mounting hole (8);
locating component (7) are including installation sleeve (701), install on the base face of second straight board (4) sleeve (701), install expanding spring (702) on the inner wall of installation sleeve (701), the port department sliding connection of sleeve (701) has sliding block (703).
2. The plotting machine for middle-aged mathematical linear equations of claim 1, wherein: the length of first straight board (3) is a little less than the length of second straight board (4), second straight board (4) are located first straight board (3) directly over, all be provided with the scale on the outer wall of first straight board (3) and second straight board (4).
3. The plotting machine for middle-aged mathematical linear equations of claim 1, wherein: the positioning holes (6) are provided with a plurality of groups and are respectively positioned on the outer wall of the positioning block (5), and the angle between the circle center of the positioning hole (6) and the central connecting line of the positioning block (5) is 5 degrees.
4. The drawing instrument of claim 1, wherein: the sliding block (703) is of an arc-shaped structure, and one end of the telescopic spring (702) is connected with the sliding block (703).
5. The drawing instrument of claim 1, wherein: the rubber mat (9) is made of rubber materials, and the rubber mat (9) is of an arc-shaped structure.
6. The drawing instrument of claim 1, wherein: the positioning hole (6) is located right above the positioning component (7), and the sliding block (703) is connected with the positioning hole (6) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624038.2U CN218084869U (en) | 2022-06-24 | 2022-06-24 | Drawing instrument for middle-position mathematics linear equation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624038.2U CN218084869U (en) | 2022-06-24 | 2022-06-24 | Drawing instrument for middle-position mathematics linear equation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218084869U true CN218084869U (en) | 2022-12-20 |
Family
ID=84476806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221624038.2U Expired - Fee Related CN218084869U (en) | 2022-06-24 | 2022-06-24 | Drawing instrument for middle-position mathematics linear equation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218084869U (en) |
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2022
- 2022-06-24 CN CN202221624038.2U patent/CN218084869U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221220 |