CN112706547A - Precision mathematical calculation meter-making device - Google Patents
Precision mathematical calculation meter-making device Download PDFInfo
- Publication number
- CN112706547A CN112706547A CN202110042722.3A CN202110042722A CN112706547A CN 112706547 A CN112706547 A CN 112706547A CN 202110042722 A CN202110042722 A CN 202110042722A CN 112706547 A CN112706547 A CN 112706547A
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- CN
- China
- Prior art keywords
- chi
- ruler
- paper pressing
- box body
- pressing frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a precise mathematical calculation meter making device which comprises a hollow box body with an opening at the upper end, wherein a plurality of illuminating lamps are upwards installed at the bottom in the box body, a grating net is arranged at the opening end of the box body, a light-passing plate is arranged at the upper end of the grating net, a paper pressing frame is hinged to one side of the opening end of the box body, a walking slide rail with a T-shaped cross section is inwards arranged on the inner wall of the paper pressing frame, a line drawing ruler is movably connected in the paper pressing frame, a slide groove penetrates through the line drawing ruler along the length direction, connecting strips are respectively connected to the left end and the right end of the slide groove in a sliding mode, a rotary connector is rotatably connected to the free end of each connecting strip. The invention can automatically generate a standard form on the drawing when drawing the geometric figure, the drawing standard is fast, and the finally finished drawing is clean and tidy.
Description
Technical Field
The invention relates to the technical field of teaching auxiliary tools, in particular to a precise mathematical computation tabulation device.
Background
Geometry in mathematics is a subject for researching geometric figures, teachers often need to manually draw geometric figures on drawings in geometric teaching, auxiliary description of diagrams is facilitated, most of the geometric figures do not have corresponding blackboard writing templates, manual drawing of teachers is often not standard enough, the manually drawn geometric figures are different from expected sizes and shapes, and understanding of students is affected. In order to draw more standard geometric figures, a table is often drawn manually by a pencil in advance, and the drawn table is used for assisting in drawing the geometric figures, but in this way, due to errors in manual operation, drawn table lines cannot be parallel to each other, the drawn geometric figures are also nonstandard, the operation is troublesome, and the table drawn by the pencil is also wiped off, so that the overall attractiveness of the figures is affected.
Disclosure of Invention
The invention aims to provide a precise mathematical computation tabulation device which can automatically generate a standard table on a drawing when a geometric figure is drawn, the drawing standard is fast, and the finally finished drawing is clean and tidy.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an accurate mathematical computation system table device, includes cavity upper end open-ended box, a plurality of light are upwards installed to the bottom in the box, the open end of box is provided with the grid net, the upper end of grid net is provided with the light-passing board, one side of box open end articulates there is the pressure paper frame, the walking slide rail of transversal personally submitting T type is inwards seted up to the inner wall of pressure paper frame, swing joint has the setting-out chi in the pressure paper frame, runs through along length direction the spout has been seted up to the setting-out chi, the equal sliding connection in both ends has the connecting strip about the spout, and the free end of each connecting strip all rotates and is connected with the rotation connector, and each rotation connector is kept away from the one end of setting-out chi all install.
Through adopting above-mentioned technical scheme, when needing to draw geometric figure, upwards open the pressure paper frame and put the light-passing board with the picture on, after pushing down the drawing with the pressure paper frame, open the light, the light is luminous through the grid net after the projection of projection standard form on the drawing, alright begin to use the setting-out ruler to assist the drawing on the drawing, the setting-out ruler can be on two connecting strips horizontal slip, when the setting-out ruler that inclines, drive the connecting strip slope, make the connecting strip rotate the connector relatively, and the movable pulley slides in walking the track, make the position that can freely adjust the setting-out ruler draw a line.
The invention is further provided with: the inside standing groove of having seted up on one side of setting-out chi bottom, the upper end of setting-out chi seted up downwards with the walking groove of standing groove intercommunication, the lower extreme of setting-out chi be provided with in gliding connection chi in the standing groove, the outside vice chi that is connected with of connection chi, the one end of connecting the chi upwards be provided with in gliding connecting axle in the walking groove, wear out the upper end of connecting axle the walking groove is connected with the angle chi, works as vice chi with when the setting-out chi is parallel, the interior limit of vice chi with the coincidence of the corresponding projection line on one side of setting-out chi.
By adopting the technical scheme, when lines at a certain angle need to be drawn, one side of the line drawing ruler close to the auxiliary ruler is close to the datum line, the auxiliary ruler is rotated, the rotating angle is judged through the angle ruler, and the lines at a certain angle can be drawn through the auxiliary ruler.
The invention is further provided with: the angle indicating device is characterized in that the walking groove is in sliding connection with an I-shaped angle indicating sliding block, and an angle pointer which is right opposite to the rotation center of the angle ruler is arranged at the upper end of the angle indicating sliding block.
By adopting the technical scheme, the rotating angle of the auxiliary ruler can be judged more accurately.
The invention is further provided with: one side of the line drawing ruler, which is far away from the auxiliary ruler, is a scale edge which is arranged obliquely downwards, and length scales are arranged on the scale edge.
The invention is further provided with: the paper pressing frame is provided with a handle at one end far away from the hinged part.
The invention is further provided with: and a control switch for controlling the switch of the illuminating lamp is arranged on one side of the box body.
The invention is further provided with: the paper pressing frame is a rectangular frame, the inner side included angle of the paper pressing frame is a fillet, and the corner of the walking slide rail is arc-shaped.
The invention is further provided with: the light-transmitting plate is made of glass.
Compared with the prior art, the invention has the following beneficial effects:
firstly, regular form projection is formed on a drawing through an illumination grille net and is used for assisting in drawing geometric figures, manual form drawing is not needed, the form drawing is fast and standard, the form is not needed to be erased after the geometric figures are drawn, and finally the finished drawing is clean and tidy;
secondly, the drawing ruler is used for assisting in drawing lines on the drawing paper, the position of the drawing ruler can be freely adjusted on the drawing paper through connection with the connecting strip and the paper pressing frame, and drawing is rapid and convenient;
thirdly, when lines with certain angles need to be drawn, the angles can be determined through the matching of the auxiliary ruler and the angle ruler, and then the lines with corresponding angles are drawn, so that the drawing is convenient and quick.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view for showing the connection relationship of the grille net, the light-transmitting plate and the box body;
FIG. 3 is a partial cross-sectional view for showing the connection relationship of the line drawing ruler with the connecting strip and the paper pressing frame;
figure 4 is a cross-sectional view of a line drawing ruler.
In the figure: 1. a box body; 2. an illuminating lamp; 3. a grid net; 4. a light-transmitting plate; 5. a paper pressing frame; 51. a handle; 52. a traveling slide rail; 6. drawing a line ruler; 61. a connecting strip; 62. rotating the connector; 63. a sliding wheel; 64. a chute; 65. a placement groove; 66. a traveling groove; 7. a secondary ruler; 71. connecting a ruler; 72. a connecting shaft; 73. an angle ruler; 8. an angle indicating slider; 81. an angle pointer; 9. and controlling the switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the embodiment, referring to fig. 1-4, a precise mathematical calculation and tabulation device comprises a hollow box body 1 with an opening at the upper end, four illuminating lamps 2 are upwards installed at the bottom in the box body 1, and a control switch 9 for controlling the on and off of the illuminating lamps 2 is arranged at one side of the box body 1; a layer of grating net 3 is arranged at the opening end of the box body 1, a light-transmitting plate 4 is arranged at the upper end of the grating net 3, and the light-transmitting plate 4 is made of glass; one side of box 1 open end articulates there is a press paper frame 5, press paper frame 5 is the rectangle frame, the interior limit contained angle radius angle of press paper frame 5, the one end that articulated department was kept away from to press paper frame 5 is provided with a handle 51, the inside walking slide rail 52 of a transversal personally submitting the T type of having seted up of the inner wall of press paper frame 5, the corner of walking slide rail 52 is convex, swing joint has a setting-out chi 6 in the press paper frame 5, run through setting-out chi 6 along length direction and seted up a spout 64, the equal sliding connection in both ends has a connecting strip 61 about spout 64, the free end of each connecting strip 61 all rotates and is connected with a rotation connector 62, the one end that each rotation connector 62 kept away from setting-out chi 6 all installs one in spout 64 gliding movable pulley 63.
A placing groove 65 is formed inwards on one side of the bottom of the line drawing ruler 6, a walking groove 66 communicated with the placing groove 65 is formed downwards on the upper end of the line drawing ruler 6, a connecting ruler 71 sliding in the placing groove 65 is arranged on the lower end of the line drawing ruler 6, an auxiliary ruler 7 is connected outwards with the connecting ruler 71, a connecting shaft 72 sliding in the walking groove 66 is arranged upwards at one end of the connecting ruler 71, the upper end of the connecting shaft 72 penetrates through the walking groove 66 to be connected with an angle ruler 73, and when the auxiliary ruler 7 is parallel to the line drawing ruler 6, the inner edge of the auxiliary ruler 7 is superposed with a projection line on one side corresponding to the line drawing ruler 6; the traveling groove 66 is connected with an I-shaped angle indication sliding block 8 in a sliding mode, an angle pointer 81 which is right opposite to the rotation center of the angle ruler 73 is arranged at the upper end of the angle indication sliding block 8, one side, far away from the auxiliary ruler 7, of the line drawing ruler 6 is a scale edge which is arranged obliquely downwards, and length scales are arranged on the scale edge.
The use method comprises the following steps: when a geometric figure needs to be drawn, the paper pressing frame 5 is opened upwards to place the drawing on the light-transmitting plate 4, the paper pressing frame 5 is pressed downwards to draw a drawing, the illuminating lamp 2 is turned on, the illuminating lamp 2 emits light to project a standard table on the drawing after passing through a grid net, the drawing ruler 6 can be used for drawing in an auxiliary manner on the drawing, the drawing ruler 6 can slide left and right on the two connecting strips 61, when the drawing ruler 6 is inclined, the connecting strips 61 are driven to incline, the connecting strips 61 rotate relative to the rotating connector 62, the sliding wheel 63 slides in the traveling track, when a corner is reached, the sliding wheel 63 can also easily rotate at the corner due to the arc-shaped corner, so that the position of the drawing ruler 6 can be freely adjusted to draw the line, when a line with a certain angle needs to be drawn, one side of the drawing ruler 6 close to the auxiliary ruler 7 is close to the datum line, the auxiliary ruler 7 is rotated, the rotating angle is judged by the angle ruler 73, lines with a certain angle can be drawn through the auxiliary ruler 7.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a precision mathematics system table device, includes cavity upper end open-ended box (1), its characterized in that: a plurality of illuminating lamps (2) are upwards arranged at the bottom in the box body (1), a grid net (3) is arranged at the opening end of the box body (1), a light-passing plate (4) is arranged at the upper end of the grille net (3), a paper pressing frame (5) is hinged to one side of the opening end of the box body (1), the inner wall of the paper pressing frame (5) is inwards provided with a walking slide rail (52) with a T-shaped cross section, a line drawing ruler (6) is movably connected in the paper pressing frame (5), a sliding groove (64) is arranged along the length direction and penetrates through the line drawing ruler (6), the equal sliding connection in both ends has connecting strip (61) about spout (64), and the free end of each connecting strip (61) all rotates and is connected with rotation connector (62), and each rotates connector (62) and keeps away from the one end of setting-out chi (6) all install in gliding movable pulley (63) in spout (64).
2. The precision mathematical calculation tabulation device of claim 1, wherein: one side of setting-out chi (6) bottom inwards has seted up standing groove (65), the upper end of setting-out chi (6) downwards seted up with walking groove (66) of standing groove (65) intercommunication, the lower extreme of setting-out chi (6) be provided with in gliding connection chi (71) in standing groove (65), it has vice chi (7) to connect chi (71) outwards to be connected with, the one end of connecting chi (71) upwards be provided with in gliding connecting axle (72) in walking groove (66), wear out the upper end of connecting axle (72) walking groove (66) are connected with angle chi (73), work as vice chi (7) with when setting-out chi (6) are parallel, the interior limit of vice chi (7) with the projection line coincidence on one side corresponding in setting-out chi (6).
3. A precision mathematical computational tabulation device as claimed in claim 2, wherein: the angle indicating device is characterized in that the walking groove (66) is in sliding connection with an I-shaped angle indicating sliding block (8), and an angle pointer (81) which is right opposite to the rotation center of the angle ruler (73) is arranged at the upper end of the angle indicating sliding block (8).
4. A precision mathematical computational tabulation device as claimed in claim 2, wherein: the line drawing ruler (6) is far away from one side of the auxiliary ruler (7) is a scale edge which is arranged obliquely downwards, and length scales are arranged on the scale edge.
5. The precision mathematical calculation tabulation device of claim 1, wherein: and a handle (51) is arranged at one end of the paper pressing frame (5) far away from the hinged part.
6. The precision mathematical calculation tabulation device of claim 1, wherein: and a control switch (9) for controlling the on-off of the illuminating lamp (2) is arranged on one side of the box body (1).
7. The precision mathematical calculation tabulation device of claim 1, wherein: the paper pressing frame (5) is a rectangular frame, the inner side included angle of the paper pressing frame (5) is a fillet, and the corner of the walking slide rail (52) is arc-shaped.
8. The precision mathematical calculation tabulation device of claim 1, wherein: the light-transmitting plate (4) is made of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042722.3A CN112706547A (en) | 2021-01-13 | 2021-01-13 | Precision mathematical calculation meter-making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042722.3A CN112706547A (en) | 2021-01-13 | 2021-01-13 | Precision mathematical calculation meter-making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112706547A true CN112706547A (en) | 2021-04-27 |
Family
ID=75548963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110042722.3A Pending CN112706547A (en) | 2021-01-13 | 2021-01-13 | Precision mathematical calculation meter-making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112706547A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154730Y (en) * | 1992-11-04 | 1994-02-02 | 岐山 | Child mental printing machine |
| CN2767960Y (en) * | 2005-01-18 | 2006-03-29 | 庄成荣 | Multifunctional angle level bar |
| CN204232536U (en) * | 2014-11-20 | 2015-04-01 | 王河 | A kind of calligraphy traditional Chinese Painting study table |
| CN204398683U (en) * | 2015-01-23 | 2015-06-17 | 湖北工业大学 | A kind of Multifunctional draughting ruler-compass for teaching |
| CN204432149U (en) * | 2015-03-04 | 2015-07-01 | 河北工业职业技术学院 | A kind of multifunctional teaching ruler |
| CN207007169U (en) * | 2017-05-27 | 2018-02-13 | 习颖 | A kind of Multifunctional rule for being used to build |
| CN108927784A (en) * | 2016-12-22 | 2018-12-04 | 六安力达生产力促进中心有限公司 | The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface |
| CN109572286A (en) * | 2018-12-17 | 2019-04-05 | 刘景典 | A kind of mathematics drawing instruments |
| CN208881441U (en) * | 2017-12-04 | 2019-05-21 | 王彤 | A kind of dedicated plotting unit of economic management |
| CN211195630U (en) * | 2019-12-23 | 2020-08-07 | 张卓 | Special teaching show board of multi-functional advanced mathematics |
| CN211543070U (en) * | 2020-02-17 | 2020-09-22 | 浙江工业职业技术学院 | Mechanical design manufacturing and drawing tool for automatic drawing |
-
2021
- 2021-01-13 CN CN202110042722.3A patent/CN112706547A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154730Y (en) * | 1992-11-04 | 1994-02-02 | 岐山 | Child mental printing machine |
| CN2767960Y (en) * | 2005-01-18 | 2006-03-29 | 庄成荣 | Multifunctional angle level bar |
| CN204232536U (en) * | 2014-11-20 | 2015-04-01 | 王河 | A kind of calligraphy traditional Chinese Painting study table |
| CN204398683U (en) * | 2015-01-23 | 2015-06-17 | 湖北工业大学 | A kind of Multifunctional draughting ruler-compass for teaching |
| CN204432149U (en) * | 2015-03-04 | 2015-07-01 | 河北工业职业技术学院 | A kind of multifunctional teaching ruler |
| CN108927784A (en) * | 2016-12-22 | 2018-12-04 | 六安力达生产力促进中心有限公司 | The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface |
| CN207007169U (en) * | 2017-05-27 | 2018-02-13 | 习颖 | A kind of Multifunctional rule for being used to build |
| CN208881441U (en) * | 2017-12-04 | 2019-05-21 | 王彤 | A kind of dedicated plotting unit of economic management |
| CN109572286A (en) * | 2018-12-17 | 2019-04-05 | 刘景典 | A kind of mathematics drawing instruments |
| CN211195630U (en) * | 2019-12-23 | 2020-08-07 | 张卓 | Special teaching show board of multi-functional advanced mathematics |
| CN211543070U (en) * | 2020-02-17 | 2020-09-22 | 浙江工业职业技术学院 | Mechanical design manufacturing and drawing tool for automatic drawing |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |
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| RJ01 | Rejection of invention patent application after publication |