CN112319102A - Drawing device for statistics - Google Patents

Drawing device for statistics Download PDF

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Publication number
CN112319102A
CN112319102A CN202011338225.XA CN202011338225A CN112319102A CN 112319102 A CN112319102 A CN 112319102A CN 202011338225 A CN202011338225 A CN 202011338225A CN 112319102 A CN112319102 A CN 112319102A
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China
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groove
frame
strip
ruler
block
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CN202011338225.XA
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CN112319102B (en
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詹锦华
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Xiamen Institute of Technology
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Xiamen Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Abstract

The invention discloses a drawing device for statistics, which structurally comprises: the invention realizes the matching of the folding angle fan ruler and the shaft button support sliding seat, ensures the high efficiency of data adjustment and proportion adjustment of a column diagram and a sector diagram under the horizontal adjustment of a sliding mark base point and a folding angle ruler groove through a cross-shaped batten frame, improves the complete laying degree, ensures the adhesion skid resistance of the fan brush frame plate to be manually drawn on a paper surface matched hand with a pen to form the flexible adjustment operation effect of rigorous installation of a combined ruler body frame, improves the comprehensive illustration drawing operation effect of the whole statistics, also ensures the parallelism and the deflection resistance stability of lines, and enhances the convenience of drawing operation.

Description

Drawing device for statistics
Technical Field
The invention relates to a drawing device for statistics, belonging to the field of drawing.
Background
The node data are accurately counted by a broken line statistical chart and a bar statistical chart which are commonly used in statistics, and then the comprehensive proportion value is divided by a fan-shaped statistical chart, so that the completeness and the reliability of comprehensive statistics are improved when the overall drawing and charting are promoted, the data integration is ensured to be complete, and the defects of the prior art, which are commonly used and need to be optimized, are as follows:
the statistical drawing needs a histogram to be matched with a fan-shaped scale chart to form a data statistics and scale statistics comprehensive operation effect, but the scaling of the size and the scale in the drawing engineering needs to be operated finely, so that rulers with different sizes are easily laid on manual drawing, paper surfaces and rulers slip, subsequent drawing inclined lines are caused, the subsequent framework end point continuously changes, and the completeness of the drawing statistics is interfered.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a drawing device for statistics, which aims to solve the problems that a histogram is required to be matched with a fan-shaped scale chart to form a data statistics and proportion statistics comprehensive operation effect for the statistics drawing, but the scaling of the size and the scale in the drawing engineering needs to be finely operated, and rulers with different sizes are easily laid on manual drawing, so that paper surfaces and rulers slip, and subsequent drawing inclined lines are caused, so that the end points of subsequent frameworks are continuously changed, and the completeness of the drawing statistics is interfered.
In order to achieve the purpose, the invention is realized by the following technical scheme: a statistical plotting device, comprising: the folding angle fan ruler, the shaft button support sliding seat, the guide shoe sliding block, the triangular ruler, the straight strip ruler and the liner plate block, wherein the shaft button support sliding seat is nested on the top of the guide shoe sliding block and is positioned on the same vertical surface, the folding angle fan ruler is buckled with the shaft button support sliding seat, the triangular ruler and the straight ruler adopt clearance fit, the guide shoe sliding block is in clearance fit with the straight bar ruler, the straight bar ruler is tightly attached to the front side of the gasket plate block and is positioned on the same vertical surface, the shaft button support sliding seat is provided with a fan brush frame plate, a cross-shaped strip plate frame, a thick ring rail frame and an ear plate groove seat, the fan brush frame plate and the thick ring rail frame are in interference fit, the cross-shaped batten frame and the thick ring rail frame are mechanically connected and are positioned on the same vertical surface, thick ring rail frame and otic placode slot holder are nested as an organic whole, the inside in otic placode slot holder is installed to the cross grillage, the otic placode slot holder nestification is on the top of leading the boots slider and be in on the same vertical face.
In order to optimize the technical scheme, the method further comprises the following steps:
as a further improvement of the invention, the fan brush holder plate consists of a trapezoidal blank holder strip, a reinforcing rib folding rod and a fan brush plate, wherein the trapezoidal blank holder strip is arranged on the left side of the reinforcing rib folding rod and is positioned on the same vertical surface, and the trapezoidal blank holder strip and the reinforcing rib folding rod are inserted and embedded in the fan brush plate.
As a further improvement of the invention, the trapezoidal blank holder strip consists of a sliding cushion block, a discount rack block and a trapezoidal strip groove, the sliding cushion block and the discount rack block are buckled together and are positioned on the same inclined plane, and the sliding cushion block and the trapezoidal strip groove are in interference fit.
As a further improvement of the invention, the cross-shaped frame plate frame consists of a side position sliding shuttle block, a frame plate and an axle wheel, wherein the side position sliding shuttle block is arranged on the left side of the frame plate, and the frame plate is mechanically connected with the axle wheel and is positioned on the same vertical surface.
As a further improvement of the invention, the side position shuttle block consists of a counterweight column plate, a pull buckle wheel groove and a cushion frame groove, the counterweight column plate is arranged on the left side of the pull buckle wheel groove and is positioned on the same vertical surface, and the cushion frame groove is inserted and embedded on the right side of the pull buckle wheel groove.
As a further improvement of the invention, the angle folding fan ruler consists of a pull fastener, an angle folding ruler groove and a fan ruler groove, wherein the angle folding ruler groove and the fan ruler groove are of an integral structure and are positioned on the same vertical surface, and the pull fastener is installed inside the angle folding ruler groove.
As a further improvement of the invention, the pulling buckle part consists of a pulling buckle frame, a sealing strip and a sleeve buckle groove, the pulling buckle frame is arranged on the left side of the sealing strip, and the sealing strip is inserted and embedded in the sleeve buckle groove and is positioned on the same vertical plane.
As a further improvement of the invention, the guide shoe sliding block consists of a pressing and buckling cushion block, an end column block and a guide shoe sliding groove, the pressing and buckling cushion block and the end column block are buckled together, and the end column block is inserted and embedded in the upper left corner of the guide shoe sliding groove and is vertical to each other.
As a further improvement of the invention, the press buckling cushion block consists of a left-hand buckling arc top cap, an arc frame strip groove and a reed pipe cover block, wherein the left-hand buckling arc top cap and the arc frame strip groove are nested into a whole and are positioned on the same vertical surface, and the arc frame strip groove and the reed pipe cover block are buckled together.
As a further improvement of the invention, the discount frame block is a composite cushion frame block structure of the discount welding plate of the side hemispherical sheet plate, so that the auxiliary protection pressing and pasting operation effects of the flat inclined pressing paper surface and the sheet plate are facilitated, and the drawing stability is improved.
As a further improvement of the invention, the wheel groove of the pull buckle is of a wheel groove structure with a left narrow and a right wide rod at the front end, so that the left pull buckle and the right pull buckle can conveniently form the operation effect of a shuttle linkage rotation convergence base point, and the operation effects of efficient positioning and deviation prevention are ensured.
As a further improvement of the invention, the sleeve buckling groove is of a groove block structure with double posts inserted on the left side, so that the posts can conveniently press the shell block to form tight fit between the clamping ruler and the shaft moving shell groove, and the flexible adjusting effect of drawing is improved.
As a further improvement of the invention, the left-hand buckle arc top cap is of a cap body structure with a protective column block at the bottom of a convex arc cover groove at the top, so that the top end of the buckle shell edge is conveniently pressed to form a lifting anti-tripping operation effect, and the machine sensitivity of subsequent transverse linkage is ensured.
Advantageous effects
The invention relates to a drawing device for statistics, wherein a drawing person drives a thick ring rail frame and an ear plate groove seat of a folding angle ruler groove jacking shaft button support sliding seat to form a base point locking operation effect through a pull buckle piece of a folding angle ruler, the pull buckle frame and a sealing strip form a vertical cross buckling operation effect in a sleeve buckle groove, then the drawing operation effect is formed by a guide shoe sliding block and a triangular ruler in the top of a straight ruler and against drawing paper on the front end surface of a liner plate block, a trapezoidal blank holder strip and a reinforcing rib folding rod of a fan brush support plate are jacked and rotated in a fan brush plate, a sliding cushion block and a folding frame block are enabled to slide and cover paper surfaces in a counterweight sliding manner in a trapezoidal strip groove, the drawing of the paper surface is avoided being interfered by sliding, then a lateral sliding shuttle block of a cross strip is enabled to lock a transverse coordinate and a longitudinal coordinate along a rotary adjusting base point on the left side of a frame plate and a hub wheel, a counterweight column plate and a backing frame groove are plugged in a pull buckle wheel groove to form, guarantee statistics and prevent shifting with the basic point with drawing device's high accuracy, promote the drawing integrity.
The invention has the following advantages after operation:
the application dog-ear fan chi cooperatees with axle button support slide, guarantee the data adjustment and the proportion adjustment of histogram and fan-shaped picture high-efficiently under the horizontal adjustment through cross slat frame slide mark base point and dog-ear rule groove, and complete the degree of laying promotes, let fan brush yoke board laminating antiskid degree hand-drawing form the nimble regulation operational effect that combination chi body frame was installed rigorously in the manual pen-holding hand-drawing of paper adaptation, promote the comprehensive graphic drawing operational effect of whole statistics, also guarantee lines depth of parallelism and prevent excursion stability, the convenient degree of the drawing operation of intensive drawing.
Drawings
Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a statistical plotting device according to the present invention.
Fig. 2 is a detailed cross-sectional structural diagram of the folding fan ruler and the shaft button support sliding seat of the invention.
Fig. 3 is a detailed cross-sectional structural diagram of the shaft knob support sliding seat and the guide shoe sliding block of the present invention.
FIG. 4 is a schematic cross-sectional view of the spindle bracket slider, the fan brush rack plate, and the cross rack plate according to the present invention.
Fig. 5 is an enlarged cross-sectional view of the operating state of the tab of the present invention.
FIG. 6 is an enlarged cross-sectional view of the retaining block according to the present invention.
FIG. 7 is an enlarged cross-sectional view of the trapezoidal binder strip of the present invention in its working condition.
FIG. 8 is an enlarged cross-sectional view of the side shuttle block of the present invention in its operating condition.
Description of reference numerals: dog-ear fan ruler-1, shaft button bracket sliding seat-2, guide shoe sliding block-3, triangular ruler-4, straight strip ruler-5, lining plate-6, fan brush frame plate-2A, cross strip frame-2B, thick ring rail frame-2C, ear plate slot seat-2D, trapezoid blank holder strip-2A 1, reinforcing rib folding rod-2A 2, fan brush plate-2A 3, sliding pad block-2A 11, discount frame block-2A 12, trapezoid strip slot-2A 13, side slide shuttle block-2B 1, frame strip-2B 2, axle wheel-2B 3, counterweight column plate-2B 11, pull buckle wheel slot-2B 12, lining frame slot-2B 13, pull buckle piece-11, dog-ear ruler slot-12, fan ruler slot-13, pull buckle frame-111, sealing strip-112, sleeve buckle slot-113, A press-buckling cushion block-31, an end column block-32, a guide shoe sliding groove-33, a left-hand buckle arc top cap-311, an arc frame strip groove-312 and a reed pipe cover block-313.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows:
referring to fig. 1 to 8, the present invention provides a statistical plotting device, which comprises: dog-ear fan ruler 1, hub bracket slide 2, guide shoe slider 3, set square 4, straight strip ruler 5, liner plate piece 6, hub bracket slide 2 nests on the top of guide shoe slider 3 and is in on the same vertical face, dog-ear fan ruler 1 and hub bracket slide 2 lock together, set square 4 adopts clearance fit with straight strip ruler 5, guide shoe slider 3 and straight strip ruler 5 adopt clearance fit, straight strip ruler 5 hugs closely in the front side of liner plate piece 6 and is in on the same vertical face, hub bracket slide 2 is equipped with fan brush frame board 2A, cross slat frame 2B, thick ring rail frame 2C, otic placode groove seat 2D, fan brush frame board 2A adopts interference fit with thick ring rail frame 2C, cross bar rail frame 2B and the mechanical connection of ring rail frame 2C and be in on the same vertical face, thick ring rail frame 2C and otic placode groove seat 2D nestification become an organic whole, cross grillage 2B installs in otic placode slot receptacle 2D's inside, otic placode slot receptacle 2D nests on leading boots slider 3's top and be in on the same vertical face.
Referring to fig. 4, the fan brush frame plate 2A is composed of a trapezoidal edge pressing strip 2A1, a rib folding bar 2A2, and a fan brush plate 2A3, the trapezoidal edge pressing strip 2A1 is installed on the left side of the rib folding bar 2A2 and is located on the same vertical plane, the trapezoidal edge pressing strip 2A1 and the rib folding bar 2A2 are inserted and embedded inside the fan brush plate 2A3, the cross-shaped strip frame 2B is composed of a side sliding shuttle block 2B1, a frame plate 2B2, and a spindle wheel 2B3, the side sliding shuttle block 2B1 is installed on the left side of the frame plate 2B2, the frame plate 2B2 is mechanically connected with the spindle wheel 2B3 and is located on the same vertical plane, and a base point locking accurate drawing operation effect of the platen positioning frame is formed by the trapezoidal edge pressing strip 2A1 rotating and pressing along the frame plate 2B 2.
Referring to fig. 7, the trapezoidal edge pressing strip 2a1 is composed of a sliding pad block 2a11, a discount frame block 2a12, and a trapezoidal strip groove 2a13, the sliding pad block 2a11 and the discount frame block 2a12 are fastened together and are on the same inclined plane, the sliding pad block 2a11 and the trapezoidal strip groove 2a13 are in interference fit, the discount frame block 2a12 is a composite pad frame block structure of a side hemispherical plate discount welding plate, so that the operation effects of flat oblique paper pressing and plate auxiliary protection pressing are facilitated, the drawing stability is improved, and the operation effects of superposition damping and uniform pressing are formed by the sliding pad block 2a11 and the discount frame block 2a 12.
Referring to fig. 8, the side shuttle block 2B1 is composed of a counterweight column plate 2B11, a pull buckle wheel groove 2B12, and a cushion frame groove 2B13, the counterweight column plate 2B11 is installed on the left side of the pull buckle wheel groove 2B12 and is located on the same vertical plane, the cushion frame groove 2B13 is inserted and embedded on the right side of the pull buckle wheel groove 2B12, the pull buckle wheel groove 2B12 is a wheel groove structure with a left narrow and right wide bar at the front end, so that the left and right pull buckles form a shuttle linkage rotation convergence base point operation effect, an efficient positioning and anti-deviation operation effect is ensured, and a left and right pull rotation adjustment operation effect is formed on the cushion frame groove 2B13 through the counterweight column plate 2B 11.
Referring to fig. 2, the angle folding fan ruler 1 is composed of a pull fastener 11, an angle folding ruler groove 12 and a fan ruler groove 13, the angle folding ruler groove 12 and the fan ruler groove 13 are of an integral structure and are located on the same vertical plane, the pull fastener 11 is installed inside the angle folding ruler groove 12, and after the angle folding ruler groove 12 and an end angle base point of the fan ruler groove 13 are locked, angle measurement adjustment and scale measurement adjustment are facilitated, and a proportional scaling efficient drawing operation effect is obtained.
Referring to fig. 5, the zipper assembly 11 is composed of a zipper frame 111, a sealing strip 112 and a sleeve buckle groove 113, the zipper frame 111 is installed on the left side of the sealing strip 112, the sealing strip 112 is inserted and embedded in the sleeve buckle groove 113 and is located on the same vertical plane, the sleeve buckle groove 113 is a groove block structure with double columns inserted and connected on the left side, so that the columns can conveniently push and press the shell blocks to form tightness of a clamping ruler and a shaft moving shell groove, the flexible drawing adjustment effect is improved, and the stability of transverse and longitudinal cross locking is ensured by pushing and pressing the sealing strip 112 at the side position of the zipper frame 111.
The working process is as follows: the drawing personnel drives the angle folding rule groove 12 and the angle folding rule groove 13 to press the thick ring rail frame 2C and the ear plate groove seat 2D of the shaft button bracket sliding seat 2 to form a base point locking operation effect through the pulling buckle piece 11 of the angle folding fan ruler 1, the pulling buckle frame 111 and the sealing strip 112 form a vertical cross locking operation effect in the sleeve buckle groove 113, then the drawing operation effect is formed by the top of the straight strip ruler 5 and the top of the triangular ruler 4 against the drawing paper on the front end surface of the liner plate block 6, the trapezoidal edge pressing strip 2A1 and the reinforcing rib folding rod 2A2 of the fan brush frame plate 2A are pressed and rotated in the fan brush plate 2A3, the cushion block 2A11 and the discount frame block 2A12 slide in the trapezoidal strip groove 2A13 in a counterweight sliding and pressing along the drawing paper, the sliding chute is prevented from interfering with the drawing paper, then the lateral sliding slide frame strip 2B1 of the cross bar frame 2B forms a fine adjustment transverse coordinate 38725 in the longitudinal wheel groove 4832B and the longitudinal wheel groove 462B 35, guarantee statistics and prevent shifting with the basic point with drawing device's high accuracy, promote the drawing integrity.
Example two:
referring to fig. 1 to 8, the present invention provides a statistical plotting apparatus, which is otherwise the same as embodiment 1, except that:
referring to fig. 3, the guide shoe sliding block 3 is composed of a press-fit cushion block 31, an end column block 32 and a guide shoe sliding groove 33, the press-fit cushion block 31 and the end column block 32 are fastened together, the end column block 32 is inserted and embedded in the upper left corner of the guide shoe sliding groove 33 and is perpendicular to each other, and the end column block 32 is inserted and embedded in the guide shoe sliding groove 33 to form a force-saving marking operation effect of the load-bearing horizontal-moving stable support and the pen point linkage.
Referring to fig. 6, the press-buckling cushion block 31 is composed of a left-hand buckle arc top cap 311, an arc frame strip groove 312 and a reed pipe cover block 313, the left-hand buckle arc top cap 311 and the arc frame strip groove 312 are nested into a whole and are located on the same vertical plane, the arc frame strip groove 312 and the reed pipe cover block 313 are buckled together, the left-hand buckle arc top cap 311 is a cap body structure with a protective column block at the bottom of a convex arc cover groove at the top, so that a lifting anti-tripping operation effect is conveniently formed at the top end of the press-buckling shell edge, the subsequent transverse linkage mechanical sensitivity is guaranteed, and a top shell clamping lifting operation effect is formed inside the reed pipe cover block 313 through the left-hand buckle arc top cap 311.
The effect of drawing a column diagram and a sector diagram through locking and adjusting the transverse picture-dividing frame by the drawing coordinate base point in the previous stage is realized, so that the drawing device for statistics is used for transversely moving, adjusting and scribing the pressing and buckling end column block 32 and the guide shoe sliding groove 33 through the pressing and buckling cushion block 31 of the guide shoe sliding block 3, and also driving the reversely buckled arc top cap 311 to form a lifting, locking and linking operation effect in the arc frame strip groove 312 and the reed pipe cover block 313.
The invention uses the combination of the above parts to achieve the aim of ensuring the data adjustment and proportion adjustment of a column diagram and a sector diagram to be efficient under the horizontal adjustment of a sliding mark base point and a bevel rule groove 12 by using the bevel fan ruler 1 and a shaft button support sliding seat 2 through the cross-shaped strip plate frame 2B, and the complete laying degree is improved, so that the joint skid resistance of the fan brush plate frame plate 2A is matched with the manual pen-holding hand drawing on the paper surface to form the flexible adjustment operation effect of rigorous installation of a combined ruler body frame, the comprehensive graphic drawing operation effect of the whole statistics is improved, the parallelism and the deviation-preventing stability of lines are also ensured, the convenience of drawing operation is enhanced, thereby solving the problem that the column diagram and the sector ratio diagram are required to form a data statistics and proportion statistics comprehensive operation effect for statistics drawing, but the scaling ratio of the size and the scale in the drawing engineering needs to be operated finely, and the rulers with different sizes are easy to be laid on the manual drawing, the slip between the paper and the ruler results in the slope of the subsequent drawing, which causes the continuous change of the end points of the subsequent structure and interferes with the integrity of the drawing statistics.
The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.

Claims (9)

1. A statistical plotting device, comprising: dog-ear fan chi (1), axle button support slide (2), lead boots slider (3), set square (4), vertical bar chi (5), liner board piece (6), its characterized in that:
the shaft button support sliding seat (2) is nested on the top of the guide shoe sliding block (3), the folding angle fan ruler (1) is buckled with the shaft button support sliding seat (2), the triangular ruler (4) is matched with the straight strip ruler (5), the guide shoe sliding block (3) is matched with the straight strip ruler (5), and the straight strip ruler (5) is tightly attached to the front side of the gasket plate block (6);
the shaft button support sliding seat (2) is provided with a fan brush frame plate (2A), a cross-shaped batten frame (2B), a thick ring rail frame (2C) and an ear plate groove seat (2D);
fan brush frame board (2A) cooperatees with thick ring rail frame (2C), ten characters grillage (2B) and thick ring rail frame (2C) mechanical connection, thick ring rail frame (2C) and otic placode groove seat (2D) are nested integrative, ten characters grillage (2B) are installed in the inside of otic placode groove seat (2D), otic placode groove seat (2D) are nested on the top of leading boots slider (3).
2. A statistical mapping device in accordance with claim 1, wherein: fan brush carrier board (2A) is folded pole (2A 2), fan brush board (2A 3) by trapezoidal blank holder strip (2A 1), strengthening rib and is constituteed, install in the left side that the strengthening rib folded pole (2A 2) trapezoidal blank holder strip (2A 1), trapezoidal blank holder strip (2A 1) is folded pole (2A 2) with the strengthening rib and is all inserted and inlay in the inside of fan brush board (2A 3).
3. A statistical mapping device according to claim 2, wherein: the trapezoidal edge pressing strip (2A 1) is composed of a sliding cushion block (2A 11), a discount rack block (2A 12) and a trapezoidal strip groove (2A 13), the sliding cushion block (2A 11) is buckled with the discount rack block (2A 12), and the sliding cushion block (2A 11) is matched with the trapezoidal strip groove (2A 13).
4. A statistical mapping device in accordance with claim 1, wherein: cross frame strip frame (2B) comprises side position shuttle piece (2B 1), frame strip frame plate (2B 2), arbor wheel (2B 3), side position shuttle piece (2B 1) is installed in the left side of frame strip frame plate (2B 2), frame strip frame plate (2B 2) and arbor wheel (2B 3) mechanical connection.
5. A statistical mapping device in accordance with claim 4, wherein: the lateral sliding shuttle block (2B 1) is composed of a counterweight column plate (2B 11), a pull buckle wheel groove (2B 12) and a cushion frame groove (2B 13), the counterweight column plate (2B 11) is installed on the left side of the pull buckle wheel groove (2B 12), and the cushion frame groove (2B 13) is inserted and embedded on the right side of the pull buckle wheel groove (2B 12).
6. A statistical mapping device in accordance with claim 1, wherein: the folding angle fan ruler (1) is composed of a pull buckle piece (11), a folding angle ruler groove (12) and a fan ruler groove (13), the folding angle ruler groove (12) and the fan ruler groove (13) are of an integrated structure, and the pull buckle piece (11) is installed inside the folding angle ruler groove (12).
7. A statistical mapping device in accordance with claim 6, wherein: draw fastener (11) to constitute by drawing and detaining frame (111), sealing strip (112), cover catching groove (113), draw and detain frame (111) and install in the left side of sealing strip (112), sealing strip (112) are inserted and are inlayed in the inside of cover catching groove (113).
8. A statistical mapping device in accordance with claim 1, wherein: lead boots slider (3) and constitute by pressing buckle cushion (31), end post piece (32), lead boots spout (33), press buckle cushion (31) and end post piece (32) lock together, end post piece (32) are inserted and are inlayed in the upper left corner of leading boots spout (33).
9. A statistical mapping device in accordance with claim 8, wherein: the pressing and buckling cushion block (31) is composed of a left-hand buckling arc top cap (311), an arc frame strip groove (312) and a reed pipe cover block (313), the left-hand buckling arc top cap (311) and the arc frame strip groove (312) are nested into a whole, and the arc frame strip groove (312) and the reed pipe cover block (313) are buckled together.
CN202011338225.XA 2020-11-25 2020-11-25 Drawing device for statistics Active CN112319102B (en)

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CN112319102A true CN112319102A (en) 2021-02-05
CN112319102B CN112319102B (en) 2022-03-15

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Publication number Priority date Publication date Assignee Title
GB1428097A (en) * 1973-07-04 1976-03-17 Charney H Drafting apparatus
JPH1086592A (en) * 1996-09-12 1998-04-07 Asahi Seimitsu Kk Parallel lines-drawing ruler
CN101837705A (en) * 2010-04-16 2010-09-22 扬州大学 Multifunctional angulometer
CN203401847U (en) * 2013-08-28 2014-01-22 冯飞 Drawing ruler for statistics
CN203920155U (en) * 2014-05-04 2014-11-05 杭州师范大学 Blackboard Combined plotting instrument
CN204149725U (en) * 2014-09-18 2015-02-11 绥化学院 A kind of combined ruler special for economic management
CN204432152U (en) * 2015-03-13 2015-07-01 哈尔滨商业大学 Novel economizer data broken line graph producing device
CN107244166A (en) * 2017-06-27 2017-10-13 王英 One kind marketing statistical analysis charting has with combination ruler
CN206703795U (en) * 2017-01-19 2017-12-05 衡阳师范学院 A kind of statistics plotting unit
CN109703248A (en) * 2019-02-26 2019-05-03 重庆三峡学院 A kind of mathematical statistics plotting unit
CN210155925U (en) * 2019-06-28 2020-03-17 刘相云 Statistical pie chart and column chart demonstration device
CN210309687U (en) * 2019-07-25 2020-04-14 贵州民族大学 Drawing instrument for statistics teaching
CN211195629U (en) * 2019-12-10 2020-08-07 杨高扬 Multifunctional ruler

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428097A (en) * 1973-07-04 1976-03-17 Charney H Drafting apparatus
JPH1086592A (en) * 1996-09-12 1998-04-07 Asahi Seimitsu Kk Parallel lines-drawing ruler
CN101837705A (en) * 2010-04-16 2010-09-22 扬州大学 Multifunctional angulometer
CN203401847U (en) * 2013-08-28 2014-01-22 冯飞 Drawing ruler for statistics
CN203920155U (en) * 2014-05-04 2014-11-05 杭州师范大学 Blackboard Combined plotting instrument
CN204149725U (en) * 2014-09-18 2015-02-11 绥化学院 A kind of combined ruler special for economic management
CN204432152U (en) * 2015-03-13 2015-07-01 哈尔滨商业大学 Novel economizer data broken line graph producing device
CN206703795U (en) * 2017-01-19 2017-12-05 衡阳师范学院 A kind of statistics plotting unit
CN107244166A (en) * 2017-06-27 2017-10-13 王英 One kind marketing statistical analysis charting has with combination ruler
CN109703248A (en) * 2019-02-26 2019-05-03 重庆三峡学院 A kind of mathematical statistics plotting unit
CN210155925U (en) * 2019-06-28 2020-03-17 刘相云 Statistical pie chart and column chart demonstration device
CN210309687U (en) * 2019-07-25 2020-04-14 贵州民族大学 Drawing instrument for statistics teaching
CN211195629U (en) * 2019-12-10 2020-08-07 杨高扬 Multifunctional ruler

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