CN115027169A

CN115027169A - Mathematics plotter

Info

Publication number: CN115027169A
Application number: CN202210748924.4A
Authority: CN
Inventors: 苑成军; 李明哲
Original assignee: Harbin University
Current assignee: Harbin University
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-09

Abstract

The invention relates to the field of mathematics, in particular to a mathematical plotter. The ruler comprises a ruler body, convex edges and sinking grooves, wherein the convex edges are arranged on the upper side of the ruler body, and a plurality of sinking grooves are formed in the convex edges from left to right. The left end and the right end of the ruler body are fixedly connected with the side frames, and the left end and the right end of the long wheel are respectively and rotatably connected to the two side frames. The rubber ring is sleeved at the left end and the right end of the long wheel. The middle part of the long wheel is annularly and uniformly distributed with a plurality of scale lines, the middle part of the straight ruler body is fixedly connected with the pointer, and the pointer is positioned above the middle part of the long wheel. The ruler body can be driven to move on the drawing paper conveniently.

Description

Mathematics plotter

Technical Field

The invention relates to the field of mathematics, in particular to a mathematical plotter.

Background

The ruler is widely applied to mathematics, measurement, engineering and other disciplines. Is a ruler-shaped gauge with accurate straight edges. The ruler is used for measuring straightness and flatness by a light gap method, and can also be used for checking length size together with the measuring block. The ruler is also one of the indispensable instrument in the mathematical mapping, and traditional ruler only is the piece constitution of a bar, needs to shift its removal by hand to this ruler removal on the drawing paper, when the drawing paper is comparatively crude, because the frictional force between ruler and the drawing paper is great, sometimes takes place to skid between hand meeting and the ruler, is difficult for manually shifting the ruler shift position on the drawing paper.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the mathematical plotter which has the beneficial effect of facilitating the manual driving of the ruler body to move on the drawing paper.

The utility model provides a mathematics plotter, includes the ruler body, bead and sinks in the groove, the upside of ruler body is provided with the bead, is provided with a plurality of sinks in the groove from a left side to the right side on the bead.

The left end and the right end of the ruler body are fixedly connected with the side frames, and the left end and the right end of the long wheel are respectively and rotatably connected to the two side frames.

The rubber ring is sleeved at the left end and the right end of the long wheel.

The middle part of the long wheel is annularly and uniformly distributed with a plurality of scale lines, the middle part of the straight ruler body is fixedly connected with the pointer, and the pointer is positioned above the middle part of the long wheel.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a first schematic diagram of a mathematical plotter;

FIG. 2 is a second schematic diagram of the mathematical plotter;

FIG. 3 is a third schematic diagram of a mathematical plotter;

FIG. 4 is a first schematic structural view of the ruler body;

FIG. 5 is a second schematic structural view of the ruler body;

FIG. 6 is a first schematic structural view of a long wheel;

FIG. 7 is a second schematic structural view of a long wheel;

FIG. 8 is a first schematic view of a slide table;

FIG. 9 is a second schematic structural view of the slide table;

FIG. 10 is a first schematic structural view of the backing strip;

FIG. 11 is a second schematic structural view of the backing strip;

fig. 12 is a third schematic structural view of the bottom strip.

In the figure: a ruler body 101; a rib 102; a recessed groove 103; a pointer 104; a round seat 105; a limiting edge 106; a threaded post 107;

a long wheel 201; a graduation mark 202; a rubber ring 203; a door-shaped lever 204; a side frame 205; a wheel 206; a fastening screw 207;

a slide table 301; a plate 302; a slot 303; a roller 304; a cross 305;

a bottom strip 401; a track 402; a handle bar 403; a compression bar 404; a conditioning block 405; a round bar 406; a widened portion 407; the non-slip ribs 408.

Detailed Description

This example can achieve the effect of facilitating the movement of the manually dialed blade 101, as shown in FIGS. 4-5.

Because the mathematics plotter includes the ruler body 101, bead 102 and sinks into the groove 103, the upside integrated into one piece of ruler body 101 has bead 102, is provided with a plurality of sunken grooves 103 from a left side to the right side on bead 102, and bead 102 protrusion in ruler body 101, and then is convenient for manually stir ruler body 101 and removes, and a plurality of sunken grooves 103 on bead 102 are convenient for promote frictional force, and then is convenient for the finger to stir ruler body 101 and remove along the direction of bead 102.

This example can achieve the effect of facilitating the drawing of multiple parallel lines through the ruler body 101, as shown in fig. 6-7.

Because the mathematical plotter further comprises a long wheel 201 and side frames 205, the left end and the right end of the ruler body 101 are respectively in screwed connection with the side frames 205, the left end and the right end of the long wheel 201 are respectively in rotating connection with the two side frames 205 through bearings, the rear part of the ruler body 101 is supported through the long wheel 201, the ruler body 101 can conveniently translate back and forth through rolling of the long wheel 201, and a plurality of parallel lines can be conveniently drawn through the ruler body 101.

As shown in fig. 6 to 7, this example can achieve the effect of preventing slippage between the long wheel 201 and the drawing sheet.

Because the mathematics plotter still includes rubber circle 203, two rubber circles 203 overlap respectively at the both ends of controlling of bull wheel 201, and then have improved the frictional force between bull wheel 201 and the drawing paper through two rubber circles 203, prevent to skid between bull wheel 201 and the drawing paper.

As shown in fig. 4-7, this example can achieve the effect of determining the length of the linear body 101 translated back and forth.

Because the mathematics plotter still includes pointer 104 and scale mark 202, a plurality of scale marks 202 are the annular and set up in the middle part of quarter wheel 201, and pointer 104 is connected in the middle part pointer 104 of ruler body 101 and is located the middle part top of quarter wheel 201, and then when the quarter wheel 201 rolls back and forth and drives ruler body 101 and move, pointer 104 can point on different scale marks 202, judges the length that quarter wheel 201 rolled through a plurality of scale marks 202, and then judges the length of the translation of ruler body 101 from beginning to end.

This example can achieve the effect of facilitating the left and right movement of the position of the ruler body 101 as shown in fig. 6-7.

Because the mathematical plotter also comprises a door-shaped rod 204, rotating wheels 206 and fastening screws 207, the left end and the right end of the door-shaped rod 204 are respectively inserted on the two side frames 205 in a vertical clearance fit manner, the left end and the right end of the lower part of the door-shaped rod 204 are respectively connected with the rotating wheels 206 in a rotating manner, the two side frames 205 are respectively connected with the fastening screws 207 in a threaded manner, the two fastening screws 207 are respectively propped against the door-shaped rod 204, the door-shaped rod 204 and the side frames 205 can be fixed through the fastening screws 207, the axial directions of the two rotating wheels 206 are vertical to the axial direction of the long wheel 201, when the straight ruler body 101 needs to be translated leftwards and rightwards, the door-shaped rod 204 is downwards slid to drive the two rotating wheels 206 to downwards move, so that the two rotating wheels 206 are supported on drawing paper, at the moment, the long wheel 201 is emptied, and then the position of the straight ruler body 101 is convenient to move leftwards and rightwards through the left rolling and rightwards of the two rotating wheels 206.

This example can achieve the effect of causing the ruler body 101 to draw a plurality of precisely parallel lines, as shown in fig. 4-12.

Because the mathematical plotter also comprises a round base 105, a threaded column 107, a sliding table 301, a slot 303, a cross 305, a bottom strip 401 and a track 402, the track 402 is integrally formed on the bottom strip 401, the round base 105 is adhered to the left part of the straight ruler body 101, the threaded column 107 is adhered to the upper part of the round base 105, the right end of the cross 305 is inserted on the threaded column 107 in a clearance fit manner, the upper part of the threaded column 107 is in threaded connection with a nut, the sliding table 301 is connected to the left part of the cross 305 through a screw, the slot 303 is arranged at the lower side of the sliding table 301, the sliding table 301 can be slidably connected on the track 402 through the slot 303, the sliding table 301 can be conveniently inserted into and pulled out of the track 402, then the ruler body 101 is connected with the sliding table 301, at this time, the sliding table 301 moves back and forth along the track 402 to drive the ruler body 101 to move back and forth, this pattern of movement makes the linear scale body 101 more accurate in translation, which in turn makes the linear scale body 101 draw a plurality of precisely parallel lines.

This example may achieve the effect of preventing cross 305 from rotating on threaded post 107, as shown in fig. 4-5.

Because the mathematical plotter also comprises the limiting ribs 106, the limiting ribs 106 are integrally formed at the front end and the rear end of the upper side of the round seat 105, the two limiting ribs 106 are respectively positioned at the front side and the rear side of the cross 305, and the cross 305 is limited by the two limiting ribs 106 to prevent the cross 305 from rotating on the threaded column 107.

As shown in fig. 4 to 9, this example can achieve an effect of making the slide table 301 more stable when sliding back and forth on the rail 402.

Because the mathematics plotter still includes gyro wheel 304, and both ends all rotate around cross 305 middle part and are connected with gyro wheel 304, and two gyro wheels 304 all contact with the right side of base strip 401 for when slip table 301 slided around on track 402, two gyro wheels 304 on cross 305 rolled around the right side of base strip 401, and then it is more stable when making slip table 301 slide around on track 402.

As shown in fig. 10 to 12, this example can achieve the effect of preventing the base bar 401 from slipping back and forth on the drawing paper when the ruler body 101 is translated back and forth.

Because the mathematics plotter still includes widened portion 407 and anti-skidding arris 408, the equal integrated into one piece in both ends has widened portion 407 around the sill bar 401, all be provided with a plurality of anti-skidding arris 408 after to in the past on every widened portion 407, need press sill bar 401 on the drawing paper with the hand during use, it is stable when just so can guarantee straight chi body 101 front and back translation, a plurality of anti-skidding arris 408 have improved sill bar 401 and the drawing paper friction force in front and back direction, the sill bar 401 skids around on the drawing paper when preventing straight chi body 101 front and back translation.

As shown in fig. 10-12, this example can achieve the effect of making the backing strip 401 positionally fixed.

Because the mathematics plotter still includes handspike 403 and round bar 406, the round bar 406 has all been welded at the front and back both ends of backing strip 401, and handspike 403 fixed connection is between the upper portion of two round bars 406, and then through the hand on handspike 403, can press backing strip 401 on the drawing paper through two round bars 406 for backing strip 401 rigidity.

Mathematics plotter still includes dull and stereotyped 302, depression bar 404, regulating block 405 and round bar 406, and dull and stereotyped 302 welding is in the left side of slip table 301, and vertical clearance fit is inserted on two round bars 406 respectively at both ends around depression bar 404, and the equal threaded connection in upper portion of two round bars 406 has regulating block 405, has all cup jointed compression spring on every round bar 406, and compression spring is located between depression bar 404 and the regulating block 405 that corresponds, and depression bar 404 presses the upside at dull and stereotyped 302.

As shown in fig. 8-12, this example can achieve the effect of adjusting the force required to move the ruler body 101 back and forth according to the preference.

The pressing rod 404 is pressed down by the two compression springs, so that the pressing rod 404 is pressed on the flat plate 302, the friction force between the pressing rod 404 and the flat plate 302 needs to be overcome when the sliding table 301 moves back and forth, the adjusting block 405 can vertically move relative to the round rod 406 when being rotated, the force of the two compression springs is adjusted, the friction force between the pressing rod 404 and the flat plate 302 is adjusted, and the force needed when the straight rule body 101 is shifted back and forth is adjusted according to the preference.

Claims

1. A mathematical plotter comprising a ruler body (101), a ridge (102) and a sink (103), characterized in that: the upper side of the ruler body (101) is provided with a rib (102), and a plurality of sinking grooves (103) are formed in the rib (102) from left to right.

2. A mathematical plotter as claimed in claim 1, characterized in that: the ruler is characterized by further comprising long wheels (201) and side frames (205), the left end and the right end of the ruler body (101) are fixedly connected with the side frames (205), and the left end and the right end of each long wheel (201) are respectively connected to the two side frames (205) in a rotating mode.

3. A mathematical plotter as claimed in claim 2, characterized in that: the rubber wheel is characterized by further comprising rubber rings (203), wherein the left end and the right end of the long wheel (201) are sleeved with the rubber rings (203).

4. A mathematical plotter as claimed in claim 2, characterized in that: the ruler is characterized by further comprising a pointer (104) and scale marks (202), the scale marks (202) are evenly distributed in the middle of the long wheel (201) in an annular mode, the pointer (104) is fixedly connected to the middle of the ruler body (101), and the pointer (104) is located above the middle of the long wheel (201).

5. A mathematical plotter as claimed in claim 2, characterized in that: the novel vertical sliding type frame is characterized by further comprising a door-shaped rod (204), rotating wheels (206) and fastening screws (207), the left end and the right end of the door-shaped rod (204) are respectively connected to the two side frames (205) in a vertical sliding mode, the left end and the right end of the lower portion of the door-shaped rod (204) are respectively connected with the rotating wheels (206) in a rotating mode, the two side frames (205) are respectively connected with the fastening screws (207) in a threaded mode, and the two fastening screws (207) are respectively abutted to the door-shaped rod (204).

6. A mathematical plotter as claimed in claim 2, characterized in that: still include circle seat (105), screw thread post (107), slip table (301), slot (303), cross (305), end strip (401) and track (402), be provided with track (402) on end strip (401), the left part of ruler body (101) is provided with circle seat (105), upper portion fixedly connected with screw thread post (107) of circle seat (105), the right-hand member clearance fit of cross (305) is inserted on screw thread post (107), the upper portion threaded connection of screw thread post (107) has the nut, slip table (301) fixed connection is in the left part of cross (305), slot (303) set up the downside at slip table (301), slip table (301) can be through slot (303) sliding connection on track (402).

7. A mathematical plotter as claimed in claim 6, characterized in that: the round base is characterized by further comprising limiting ribs (106), the front end and the rear end of the upper side of the round base (105) are fixedly connected with the limiting ribs (106), and the two limiting ribs (106) are located on the front side and the rear side of the cross (305) respectively.

8. A mathematical plotter as claimed in claim 6, characterized in that: the cross-shaped bottom strip is characterized by further comprising rollers (304), wherein the rollers (304) are rotatably connected to the front end and the rear end of the middle of the cross (305), and the two rollers (304) are in contact with the right side of the bottom strip (401).

9. A mathematical plotter as claimed in claim 8, characterized in that: the anti-skid floor strip is characterized by further comprising a widening portion (407) and anti-skid ribs (408), wherein the widening portion (407) is arranged at the front end and the rear end of the bottom strip (401), and a plurality of anti-skid ribs (408) are arranged on each widening portion (407) from front to back.

10. A mathematical plotter as claimed in claim 9, characterized in that: the novel round bar is characterized by further comprising a hand lever (403) and round bars (406), the front end and the rear end of the bottom bar (401) are fixedly connected with the round bars (406), and the hand lever (403) is fixedly connected between the upper portions of the two round bars (406).