CN110254089B

CN110254089B - Section line drawing instrument

Info

Publication number: CN110254089B
Application number: CN201910457051.XA
Authority: CN
Inventors: 刘宇程; 刘涛
Original assignee: Xian Polytechnic University
Current assignee: Xian Polytechnic University
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-12-29
Anticipated expiration: 2039-05-29
Also published as: CN110254089A

Abstract

The invention discloses a section line plotter, which comprises a main ruler, wherein the main ruler is connected with an auxiliary ruler connecting block, the auxiliary ruler connecting block is provided with third grooves with included angles of 30 degrees, 45 degrees and 60 degrees and T-shaped clamping strips matched with the third grooves, the auxiliary ruler connecting block is rotatably connected with a U-shaped auxiliary ruler, two first grooves are oppositely arranged on two sides of the U-shaped auxiliary ruler, the first grooves are slidably connected with an auxiliary ruler basic sliding block, first bosses matched with the first grooves are arranged on two sides of the bottom of the auxiliary ruler basic sliding block, a first through hole is arranged at the bottom of the auxiliary ruler basic sliding block, a plotting pen container is arranged along the direction of the first through hole, extension sliding blocks are clamped on two sides of the auxiliary ruler basic sliding block, the extension sliding blocks are provided with the plotting pen container, and the distances among. The section line plotter can draw a plurality of parallel equidistant section lines with the angles of 30 degrees, 45 degrees and 60 degrees, improves the efficiency and the accuracy of section line plotting, and is simple and convenient to operate.

Description

Section line drawing instrument

Technical Field

The invention belongs to the technical field of drawing tools, and relates to a section line drawing instrument.

Background

Hatching is a drawing type common in mechanical drawing, both in teaching and in practice. Because the existing section line drawing is performed by equidistant parallel movement and the T-square and the angle square are matched for drawing, the drawing method has many defects, for example, the angle square is moved too frequently during drawing, the efficiency is low, the moving distance is checked during moving every time, the accuracy is not high, the operation is inconvenient, and the neatness of drawing is influenced by frequently moving the angle square.

Disclosure of Invention

The invention aims to provide a section line drawing instrument, which solves the problems of low section line drawing efficiency, low accuracy and inconvenient operation in the prior art.

The technical scheme includes that the hatching plotter comprises a main ruler, wherein the main ruler is connected with an auxiliary ruler connecting block, a protruding shaft is arranged on the auxiliary ruler connecting block, the protruding shaft is rotatably connected with a U-shaped auxiliary ruler, a second through hole matched with the protruding shaft is formed in the bottom of the U-shaped auxiliary ruler, a third groove is formed in the auxiliary ruler connecting block, a clamping strip is movably connected with the third groove, two first grooves are oppositely formed in two sides of the U-shaped auxiliary ruler, the two first grooves are connected with an auxiliary ruler basic sliding block in a sliding mode, first bosses matched with the first grooves are arranged on two sides of the bottom of the auxiliary ruler basic sliding block, a first through hole is formed in the bottom of the auxiliary ruler basic sliding block, a plotting pen container is arranged in the direction of the first through hole, extension sliding blocks are clamped on two sides of the auxiliary ruler basic sliding block, the extension sliding blocks are provided with the.

The invention is also characterized in that:

the third groove is arranged at a position which enables the included angle between the U-shaped auxiliary ruler and the main ruler to be 30 degrees, 45 degrees or 60 degrees.

The bottom of the auxiliary ruler basic sliding block is provided with two first through holes, a drawing pen container is arranged in the direction of the first through holes respectively, a T-shaped boss is arranged on one side, close to the first boss, of the drawing pen container, two drawing pen containers are arranged on the extending sliding block, and a T-shaped boss and an inverted T-shaped groove matched with the T-shaped boss are arranged on one side, away from each other, of the drawing pen container respectively.

The drawing pen container is provided with a threaded hole, and the threaded hole is in threaded connection with a fastening screw.

The open end of the U-shaped auxiliary ruler is provided with a T-shaped sealing pin.

The main scale is provided with a second groove along the length direction, a second boss matched with the second groove is arranged on the auxiliary scale connecting block, and the main scale is connected with the auxiliary scale connecting block in a sliding mode.

The invention has the beneficial effects that: the section line plotter can independently draw section lines with angles of 30 degrees, 45 degrees and 60 degrees, does not need to frequently move the plotting scale, and has the advantages of simple and convenient operation, high plotting efficiency and high finished product.

Drawings

FIG. 1 is a schematic view of a section line plotter according to the present invention;

FIG. 2 is a schematic structural view of a U-shaped auxiliary ruler in the section line plotter of the present invention;

FIG. 3 is a schematic structural diagram of a secondary ruler base slide block in the section line plotter of the present invention;

FIG. 4 is a schematic view of an extension block of the section line plotter of the present invention;

FIG. 5 is a schematic structural view of a sub-ruler connecting block in the hatching plotter of the present invention;

fig. 6 is a schematic structural diagram of a seal pin in the section line plotter.

In the drawing, 1, a main ruler, 2, an auxiliary ruler connecting block, 3, a U-shaped auxiliary ruler, 4, an auxiliary ruler basic sliding block, 5, a sealing pin, 6, an extension sliding block, 7, a second groove, 8, a first groove, 9, a second through hole, 10, a first boss, 11, a drawing pen container, 12, a T-shaped boss, 13, a threaded hole, 14, a T-shaped groove, 15, a stop block, 16, a convex shaft and 17, a second boss are arranged.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention relates to a section line plotter, which comprises a main ruler 1, wherein the main ruler 1 is provided with a second groove 7 along the length direction, the second groove 7 is connected with an auxiliary ruler connecting block 2, one side of the auxiliary ruler connecting block 2 is provided with a second boss 17 matched with the second groove 7, the main ruler 1 is connected with the auxiliary ruler connecting block 2 in a sliding way, the other side of the auxiliary ruler connecting block 2 is provided with a convex shaft 16, the convex shaft 16 is rotatably connected with a U-shaped auxiliary ruler 3, the open end of the U-shaped auxiliary ruler 3 is provided with a T-shaped sealing pin 5, the bottom of the U-shaped auxiliary ruler 3 is provided with a second through hole 9 matched with the convex shaft 16, the auxiliary ruler connecting block 2 is provided with a third groove 15, the third groove 15 is movably connected with a clamping strip, the third groove 15 is arranged at a position which ensures that the included angle between the U-shaped auxiliary ruler 3 and the main ruler 1 is 30 degrees, 45 degrees or 60 degrees, two sides of the U-shaped, two first grooves 8 are connected with an auxiliary ruler basic sliding block 4 in a sliding mode, two first bosses 10 matched with the first grooves 8 are arranged on two sides of the bottom of the auxiliary ruler basic sliding block 4, two first through holes are formed in the bottom of the auxiliary ruler basic sliding block 4, a drawing pen container 11 is arranged along the direction of the first through holes respectively, a T-shaped boss 12 is arranged on one side, close to the first boss 10, of the drawing pen container 11, the T-shaped boss 12 is connected with an extension sliding block 6 in a clamping mode, two drawing pen containers 11 are arranged on the extension sliding block 6, one sides, far away from each other, of the drawing pen containers 11 are respectively provided with the T-shaped boss 12 and an inverted T-shaped groove 14 matched with the T-shaped boss 12, distances between the drawing pen containers 11 are equal, threaded holes 13 are formed in the drawing pen containers 11, the threaded.

The main components of the section line plotter have the following functions:

1. the auxiliary ruler connecting block 2 is connected with the main ruler 1 in a sliding mode, and can divide the drawn section lines equally;

2. the third groove 15 and the clamping strip are used for conveniently drawing section lines with angles of 30 degrees, 45 degrees and 60 degrees;

3. when the auxiliary ruler basic sliding block 4 moves along the first groove 8, the section line is drawn;

4. the auxiliary ruler basic slide block 4 and the extension slide block 6 are clamped and connected for drawing equidistant section lines with different quantities;

5. the sealing pin 5 is used for preventing the auxiliary ruler basic sliding block 4 from sliding out of the auxiliary ruler 3, and meanwhile, when the plotter is not used, the auxiliary ruler basic sliding block 4 can be taken out;

6. the fastening screw is used for fastening the drawing pen and the drawing pen container, and the drawing pen is prevented from loosening to influence drawing during drawing.

The invention relates to a section line plotter, which comprises the following working processes: when 14 hatching lines with equal distance and 45 degrees need to be drawn, the clamping strip is clamped in a third groove 15 which enables the included angle between the U-shaped auxiliary ruler 3 and the main ruler 1 to be 45 degrees, the main ruler 1 is horizontally placed, the U-shaped auxiliary ruler 3 is rotated to the clamping strip position, the left side and the right side of an auxiliary ruler basic slide block 4 are respectively clamped with 3 extension slide blocks 6 or one side of the auxiliary ruler basic slide block 4 is clamped with 6 extension slide blocks 6, the auxiliary ruler basic slide block 4 slides to be close to the opening end of the auxiliary ruler 3 along a first groove 8, the opening end of the U-shaped auxiliary ruler 3 is sealed by a sealing pin 5, a drawing pen is placed in a drawing pen container 11 and is fastened by a fastening screw, the auxiliary ruler basic slide block 4 along the first groove 8 can draw 14 hatching lines with equal distance and 45 degrees, when 28 hatching lines with equal distance and 45 degrees need to be drawn, the auxiliary ruler connecting block 2 only needs to slide along the main ruler 1 by half of the distance between the original hatching lines, and then the auxiliary ruler basic sliding block 4 slides along the first groove 8 to obtain the auxiliary ruler basic sliding block. When needing to draw the section line of 30 degrees or 60 degrees contained angles, only need select the corresponding third recess that the card strip was placed can, need not confirm the angle with the help of the bevel protractor, it is convenient to use.

The invention relates to a section line plotter, which has the advantages that: equidistant section lines with included angles of 30 degrees, 40 degrees and 60 degrees can be drawn according to requirements, a ruler does not need to be frequently moved during drawing, drawing efficiency is high, the equidistant section lines are guaranteed while operation is simple and convenient, and drawing neatness is improved.

Claims

1. The section line plotter is characterized by comprising a main ruler (1), wherein an auxiliary ruler connecting block (2) is connected onto the main ruler (1), a protruding shaft (16) is arranged on the auxiliary ruler connecting block (2), a U-shaped auxiliary ruler (3) is rotatably connected onto the protruding shaft (16), a second through hole (9) matched with the protruding shaft (16) is formed in the bottom of the U-shaped auxiliary ruler (3), a third groove (15) is formed in the auxiliary ruler connecting block (2), a clamping strip is movably connected onto the third groove (15), two first grooves (8) are oppositely formed in two sides of the U-shaped auxiliary ruler (3), an auxiliary ruler basic sliding block (4) is slidably connected onto the two first grooves (8), first bosses (10) matched with the first grooves (8) are arranged on two sides of the bottom of the auxiliary ruler basic sliding block (4), a first through hole is formed in the bottom of the auxiliary ruler basic sliding block (4), the drawing pen container is characterized in that a drawing pen container (11) is arranged along the direction of the first through hole, extension sliding blocks (6) are clamped on two sides of the auxiliary ruler basic sliding block (4), the drawing pen containers (11) are arranged on the extension sliding blocks (6), and the distances between the drawing pen containers (11) are the same;

the bottom of the auxiliary ruler basic sliding block (4) is provided with two first through holes, a drawing pen container (11) is arranged along the direction of the first through holes, a T-shaped boss (12) is arranged on one side, close to the first boss (10), of the drawing pen container (11), two drawing pen containers (11) are arranged on the extending sliding block (6), and a T-shaped boss (12) and an inverted T-shaped groove (14) matched with the T-shaped boss (12) are arranged on one side, far away from each other, of the drawing pen container (11).

2. The section line plotter according to claim 1, characterized in that said third groove (15) is positioned so that the angle between the U-shaped minor rule (3) and the main rule (1) is 30 degrees, 45 degrees or 60 degrees.

3. The section line plotter according to claim 1, characterized in that said plotting pen container (11) is provided with a threaded hole (13), said threaded hole (13) being in threaded connection with a fastening screw.

4. Section line plotter according to claim 1, characterized in that the open end of the U-shaped minor rule (3) is provided with a T-shaped closing pin (5).

5. The section line plotter according to claim 1, wherein the main ruler (1) is provided with a second groove (7) along the length direction, the auxiliary ruler connecting block (2) is provided with a second boss (17) corresponding to the second groove (7), and the main ruler (1) and the auxiliary ruler connecting block (2) are connected in a sliding manner.