CN213199299U

CN213199299U - Drawing rule for mechanical drawing

Info

Publication number: CN213199299U
Application number: CN202021825336.9U
Authority: CN
Inventors: 徐茜; 于学明
Original assignee: Intelligent Enabling Zibo Technology Information Co ltd
Current assignee: Intelligent Enabling Zibo Technology Information Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-14
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to the technical field of drawing rules, in particular to a drawing rule for mechanical drawing, which comprises a rule body and a slider, wherein the left end and the right end of the rule body are fixedly connected with sliders, the inner side of the slider is provided with a chute, the top end surface of the slider is marked with a first scale line, the front end and the rear end of the rule body are fixedly connected with a fixture block, the outer side of the rule body is slidably connected with a slide rule, the top end of the slide rule is fixedly connected with a rotating shaft, the outer side of the rotating shaft is rotatably connected with an angle ruler, the outer side of the rotating shaft is provided with a clockwork spring, and the two ends of the clockwork spring are respectively fixedly connected with the rotating shaft and the angle ruler, in the utility model, the accurate determination of the position and the length of a vertical line is realized by the matching of a third scale line and the first scale line, the convenient movement of the slide rule, the practicality of the tool is reduced, the vertical line can be conveniently drawn, and the practicability of the device is improved.

Description

Drawing rule for mechanical drawing

Technical Field

The utility model relates to a drawing rule technical field specifically is a drawing rule for mechanical drawing.

Background

The T-square is a T-shaped ruler with a crosspiece at one end, consists of a ruler head and a ruler body which are perpendicular to each other, is generally made of transparent organic glass and is often used in cooperation with a drawing board when drawing a drawing on engineering design, is a tool for drawing a horizontal line and drawing a graph in cooperation with a set square, and can be generally directly used for drawing a parallel line or used as a support of the set square to draw a straight line forming various angles with the ruler.

When the ordinary T-square is used for drawing vertical lines on the clamping drawing board, other straight rulers need to be used for drawing lines on the scales, tools need to be used in a matched mode, in addition, when oblique lines are drawn, the protractors and the straight rulers need to be matched for drawing, the number of the tools is large, a table top is messy, and drawing efficiency is reduced.

Disclosure of Invention

An object of the utility model is to provide a drawing rule is used in machinery mapping 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 drawing ruler for mechanical drawing comprises a ruler body and a sliding block, wherein the left end and the right end of the ruler body are fixedly connected with the sliding block, the inner side of the sliding block is provided with a sliding groove, the top end surface of the sliding block is marked with a first scale mark, the front end and the rear end of the ruler body are fixedly connected with clamping blocks, the outer side of the ruler body is slidably connected with a sliding ruler, the top end of the sliding ruler is fixedly connected with a rotating shaft, the outer side of the rotating shaft is rotatably connected with an angle ruler, the outer side of the rotating shaft is provided with a clockwork spring, the two ends of the clockwork spring are respectively fixedly connected with the rotating shaft and the angle ruler, the top end surface of the angle ruler is marked with a second scale mark, the top end of the angle ruler is fixedly connected with a fixed block, the rear end of the fixed block is fixedly connected with a connecting rod, the rear, and the two ends of the tension spring are respectively fixedly connected with the sliding rod and the scale, and the top end face of the sliding ruler is marked with a third scale line.

Preferably, the cross section of the sliding rod is rectangular and is located in the vertical direction.

Preferably, the rotating shaft is positioned right above the intersection point of the sliding block and the rear side of the sliding ruler.

Preferably, the slide lever is located on the right rear side of the rotation shaft.

Preferably, the top end surfaces of the sliders are marked with first scale marks.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the slide rule that sets up, third scale mark, the spout, slider and first scale mark, can utilize the convenient setting-out of slide rule to the perpendicular line on the drawing, avoid the cooperation of ruler and the chi body to use, the cooperation of third scale mark and first scale mark is used and is realized erecting the accurate of line position and length and confirm, the convenient removal of slide rule is used in the cooperation of slide rule and slider, reuse ruler is avoided in the setting up of slide rule, reduce the practicality of instrument, realize convenient drawing and erect the line, increase the practicality of device.

2. The utility model discloses in, through the clockwork spring that sets up, the second scale mark, the extension spring, the slide bar, fixed block and angle square, can conveniently draw the slash that has the definite angle, avoid the cooperation of protractor to use, increase the function of chi body, the free rotation of angle square is realized to clockwork spring's utilization, the convenient affirmation that realizes angle square deflection angle is used in the cooperation of second scale mark and slide bar rear end face, the extension spring and slide bar realize the stable removal and the automatic re-setting of scale respectively, thereby conveniently draw the slash that has the definite angle, increase the practicality of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the mounting structure of the middle slider of the present invention.

In the figure: 1-sliding ruler, 2-sliding chute, 3-first scale mark, 4-sliding block, 5-clamping block, 6-second scale mark, 7-angle ruler, 8-scale, 9-ruler body, 10-clockwork spring, 11-rotating shaft, 12-tension spring, 13-sliding rod, 14-connecting rod, 15-fixing block and 16-third scale mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a drawing ruler for mechanical drawing comprises a ruler body 9 and a sliding block 4, wherein the left end and the right end of the ruler body 9 are fixedly connected with the sliding block 4, the inner side of the sliding block 4 is provided with a sliding groove 2, the top end surface of the sliding block 4 is marked with a first scale mark 3, the front end and the rear end of the ruler body 9 are fixedly connected with a clamping block 5, the outer side of the ruler body 9 is slidably connected with a sliding ruler 1, the top end of the sliding ruler 1 is fixedly connected with a rotating shaft 11, the outer side of the rotating shaft 11 is rotatably connected with an angle ruler 7, the outer side of the rotating shaft 11 is provided with a clockwork spring 10, the two ends of the clockwork spring 10 are respectively fixedly connected with the rotating shaft 11 and the angle ruler 7, the top end surface of the angle ruler 7 is marked with a second scale mark 6, the top end of the angle ruler 7 is fixedly connected with a fixing block 15, the rear end of the fixing block 15 is, and both ends of extension spring 12 are respectively with slide bar 13 and scale 8 fixed connection, and the top end face of slide rule 1 marks third scale mark 16, and clockwork spring 10 realizes the automatic re-setting of angle square 7 in the use, and extension spring 12 realizes that scale 8 is automatic to be gone into angle square 7, and the determination of straight line position is realized to first scale mark 3, and the determination of straight line length is realized to second scale mark 6, and the determination of straight line inclination is realized to third scale mark 16.

The cross section of the sliding rod 13 is rectangular and is positioned in the vertical direction, so that the scale 8 can stably move in the using process; the rotating shaft 11 is positioned right above the intersection point of the sliding block 4 and the rear side of the sliding ruler 1, and the rotating center of the angle ruler 7 is positioned right above the intersection point of the sliding block 4 and the sliding ruler 1 in the using process; the sliding rod 13 is positioned at the right rear side of the rotating shaft 11, so that the sliding rod 13 is prevented from interfering with the sliding ruler 1 in the using process; the top end face of the sliding block 4 is marked with first scale marks 3, and the straight line length can be determined on both sides of the ruler body 9 in the using process.

The working process is as follows: the utility model can conveniently draw vertical lines, the slide block 4 outside the ruler body 9 is aligned with a transverse line, the slide ruler 1 is moved, the slide ruler 1 is slid to the initial point position of the vertical line to be drawn according to the first scale line 3, the length of the vertical line to be drawn is determined through the third scale line 16, the vertical line is drawn by utilizing the pencil and the slide ruler 1, if the oblique line with a determined angle is required to be drawn, the slide ruler 1 is slid to the initial point position of the oblique line to be drawn, the rotating shaft 11 is aligned with the initial point of the oblique line, the angle ruler 7 is rotated, the clockwork spring 10 is contracted, the angle of the oblique line is determined according to the angle indicated by the second scale line 6 aligned with the rear end surface of the slide ruler 1, the angle ruler 7 is rotated to the angle to be drawn, the scale 8 is pulled downwards, the extension spring 12 is extended, the scale 8 slides downwards under the limit of the sliding rod 13 until the scale 8 is tightly attached to the paper surface, the oblique line with the determined angle is drawn, after the staff gauge 8 is loosened, the tension spring 12 resets to drive the staff gauge 8 to move upwards and be clamped into the angle square 7, and meanwhile, the clockwork spring 10 resets to drive the angle square 7 to rotate to the horizontal position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a drawing rule for mechanical drawing, includes chi body (9) and slider (4), its characterized in that: the ruler comprises a ruler body (9), sliding blocks (4) are fixedly connected to the left end and the right end of the ruler body (9), sliding grooves (2) are formed in the inner side of each sliding block (4), first scale marks (3) are marked on the top end face of each sliding block (4), clamping blocks (5) are fixedly connected to the front end and the rear end of the ruler body (9), a sliding ruler (1) is slidably connected to the outer side of the ruler body (9), a rotating shaft (11) is fixedly connected to the top end of the sliding ruler (1), an angle ruler (7) is rotatably connected to the outer side of the rotating shaft (11), a clockwork spring (10) is arranged on the outer side of the rotating shaft (11), two ends of the clockwork spring (10) are fixedly connected with the rotating shaft (11) and the angle ruler (7) respectively, second scale marks (6) are marked on the top end face of the angle ruler (7), a fixing block (15) is fixedly connected to the top end of, the rear end fixedly connected with slide bar (13) of connecting rod (14), the outside sliding connection of slide bar (13) has scale (8), the outside of slide bar (13) is provided with extension spring (12), and the both ends of extension spring (12) respectively with slide bar (13) and scale (8) fixed connection, the top face of slide rule (1) is marked with third scale line (16).

2. A drawing rule for machine drawing according to claim 1, characterized in that: the cross section of the sliding rod (13) is rectangular and is positioned in the vertical direction.

3. A drawing rule for machine drawing according to claim 1, characterized in that: the rotating shaft (11) is positioned right above a rear intersection point of the sliding block (4) and the sliding ruler (1).

4. A drawing rule for machine drawing according to claim 1, characterized in that: the slide rod (13) is positioned on the rear right side of the rotating shaft (11).

5. A drawing rule for machine drawing according to claim 1, characterized in that: the top end face of the sliding block (4) is marked with first scale marks (3).