CN220418274U

CN220418274U - Drawing dipperstick

Info

Publication number: CN220418274U
Application number: CN202321415034.8U
Authority: CN
Inventors: 白小平
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2024-01-30
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to the technical field of measuring scales, in particular to a drawing measuring scale which comprises a ruler, wherein the left end of the ruler is fixedly connected with an angle ruler, a rotating shaft is rotationally connected to the angle ruler, the top end of the rotating shaft is provided with a round groove, the inside of the round groove is rotationally connected with a winding rod, the outside of the winding rod is fixedly connected with a ruler spring, the other end of the ruler spring is fixedly connected with the side end of the round groove, a pull rope is wound on the outside of the winding rod, a round hole is arranged on the rotating shaft, the pull rope is positioned in the round hole, one end of the pull rope extending to the outside of the round hole is fixedly connected with a fixed block, a pull handle is fixedly connected to the fixed block, the inside of the rotating shaft is positioned at two sides of the round hole, and the insides of the two short grooves are rotationally connected with guide rollers; the drawing extension line is prevented from measuring the included angle between two non-intersecting straight lines, damage to the drawing is avoided, and the measuring practicability is improved.

Description

Drawing dipperstick

Technical Field

The utility model relates to the technical field of measuring scales, in particular to a drawing measuring scale.

Background

It is known that a measuring ruler is generally a ruler for displaying accurate straight edges, and the ruler can be used together with a gauge block for checking length and size, and when drawing and observing some building construction drawings, the ruler is used for measuring and observing lines on the drawings so as to facilitate drawing of the building construction drawings and correcting and modifying problem data in the building construction process.

Through searching, the utility model patent with the Chinese patent number of CN202222040654.X discloses a drawing measuring ruler, which comprises a ruler and a convenient device, wherein the surface of the ruler is provided with a chute, the ruler is a transparent plastic ruler, the convenient device is positioned at the chute on the surface of the ruler, the convenient device comprises a rotating shaft, an arc surface of the rotating shaft is in sliding connection with the inner wall of the chute of the ruler, the arc surface of the rotating shaft is rotationally connected with a protractor, the protractor is a transparent plastic protractor, the surface of the protractor is provided with a rotating hole, the inner wall of the rotating hole of the protractor is rotationally connected with the arc surface of the rotating shaft, when the convenient device is arranged to measure the drawing, firstly, the ruler slides the line on the drawing, then slides the rotating shaft on the chute on the ruler, meanwhile, a positioning column at the lower end of the rotating shaft slides on the surface of the chute, and a limit groove on the arc surface of the rotating shaft slides with the surface of a limit plate arranged on the inner wall of the chute, the rotating shaft is not easy to shake due to the fact that the rotating shaft is limited when the rotating shaft slides, the angle gauge is used more stably, because the length of the positioning column is slightly larger than the depth of the positioning groove, when one end arc surface of the positioning column faces the initial position of a line to be measured, the rotating shaft is stopped, then the connecting plate is pulled upwards, the angle gauge is rotated along the arc surface of the rotating shaft, the rotating shaft is stopped when the angle gauge rotates to be aligned with the ruler, then the connecting plate is loosened, the other end of the spring is fixedly connected with the connecting column, the connecting column slides in a slot on the rotating shaft, the connecting plate moves downwards under the elastic force of the spring until the fixing rod is inserted into the fixing groove on the angle gauge, the limit fixing of the angle gauge is achieved at the moment, and when the angle gauge is used for drawing line measurement, the accuracy of data during measurement is improved to a certain extent, at this time, when drawing and measuring the drawing paper, the frequency of frequently and alternately moving away the protractor and the ruler is reduced, and then the steps of secondary positioning of the ruler and the protractor are reduced, and further, the data precision during drawing and measuring the drawing paper is improved, when measuring the drawing paper, sometimes, the angle between two non-intersecting straight lines is measured, an extension line of the two lines is required to be drawn on the drawing paper, the intersection point of the two lines is found, then the angle of the two lines is measured by using the angle scale, and the drawing paper is easy to damage due to the fact that the extension line is required to be drawn on the drawing paper, so that the measuring practicability of the angle measuring device is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a drawing measuring ruler for solving the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the drawing measuring ruler comprises a ruler, wherein the left end of the ruler is fixedly connected with an angle ruler, a rotating shaft is rotatably connected to the angle ruler, a round groove is formed in the top end of the rotating shaft, a winding rod is rotatably connected to the inside of the round groove, a ruler spring is fixedly connected to the outside of the winding rod, and the other end of the ruler spring is fixedly connected with the side end of the round groove;

the outside winding of wire winding pole has the stay cord, be provided with the round hole in the pivot, the stay cord is located the inside of round hole, and the stay cord extends to the outside one end fixedly connected with fixed block of round hole.

Preferably, the fixed block is fixedly connected with a pull handle.

Further, the inside of pivot is located the both sides of round hole and is provided with the lack groove, and the inside of two lack grooves is all rotated and is connected with the guide roll.

Still further, the front end of pivot is connected with the shrouding through the screw.

Further, the central axis of the rotating shaft coincides with the central axis of the angle gauge.

On the basis of the scheme, the central axis of the rotating shaft is positioned on the side end face of the ruler.

(III) beneficial effects

Compared with the prior art, the utility model provides a drawing measuring ruler, which has the following beneficial effects:

this drawing dipperstick flushes the one end of ruler with a straight line, then pulls the fixed block, makes the stay cord draw out from the inside of pivot, then makes ruler remove along corresponding a straight line, when stay cord and another straight line coincide, the axis of angle chi is located the intersection of two straight line extension lines this moment, and the corresponding scale value that the stay cord is located the angle chi this moment is the contained angle between two straight lines to it has avoided drawing the contained angle between the two unentersected straight lines of extension line measurement, has avoided causing the damage to the drawing, has improved its measuring practicality.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1. a ruler; 2. an angle ruler; 3. a rotating shaft; 4. a winding rod; 5. a ruler spring; 6. a pull rope; 7. a fixed block; 8. a pull handle; 9. a guide roller; 10. and (5) sealing plates.

Detailed Description

Examples

Please refer to fig. 1-3, a drawing dipperstick, including ruler 1, be convenient for measure the length through ruler 1, the left end fixedly connected with angle chi 2 of ruler 1, be convenient for measure the contained angle between two sharp through angle chi 2, be connected with pivot 3 in the rotation of angle chi 2, the axis of pivot 3 and the axis of angle chi 2 are at the coincidence, the axis of pivot 3 is located the side face of ruler 1, the top of pivot 3 is provided with the circular slot, the inside rotation of circular slot is connected with wire winding pole 4, wire winding pole 4's outside fixedly connected with chi spring 5, the other end and the side fixedly connected with of circular slot of chi spring 5, wire winding pole 4's outside winding has stay cord 6, make wire winding pole 4 rotate through chi spring 5 and make stay cord 6 wipe around on wire winding pole 4, be convenient for accomodate stay cord 6 to the inside of circular slot when not using, be provided with the round hole in the pivot 3, stay cord 6 is located the inside of round hole, the one end fixedly connected with fixed block 7 outside the round hole, one end and one straight line of ruler 1, then, pulling fixed block 7, the inside of stay cord 6 is located the corresponding wire 6 is drawn from the inside of circular hole, the corresponding angle of drawing 6, the straight line 2 has been avoided measuring the angle between two sharp lines that the corresponding straight line 2 has been cut off, the two lines of extension line 2, the angle between the two lines of ruler have been avoided and the fact that the angle is measured, the point of fact is not to be practical, and the angle between the two lines of the straight line 2 has been measured.

Referring to fig. 1 and 2, a pull handle 8 is fixedly connected to the fixing block 7, and the pull handle 8 facilitates pulling the fixing plate and the pull rope 6 to move, so that the pull rope 6 is pulled out from the inside of the circular groove.

Referring to fig. 2 and 3, the two sides of the rotating shaft 3, which are located in the round hole, are provided with notches, the two notches are respectively connected with guide rollers 9 in a rotating manner, the guide rollers 9 are used for avoiding friction between the pull rope 6 and the corners of the inner sides of the round grooves, abrasion of the pull rope 6 is avoided, and the service life of the pull rope 6 is guaranteed.

Referring to fig. 1, a sealing plate 10 is connected to the front end of the rotating shaft 3 through screws, and the circular groove is sealed through the sealing plate 10.

In summary, when the drawing measuring ruler measures the angle between two non-intersecting straight lines, firstly one end of the ruler 1 is flush with one straight line, then the fixing block 7 is pulled, the pull rope 6 is pulled out from the rotating shaft 3, then the ruler 1 moves along the corresponding straight line, when the pull rope 6 is overlapped with the other straight line, the central axis of the angle ruler 2 is located on the intersection point of the extending lines of the two straight lines, and the corresponding scale value of the pull rope 6 on the angle ruler 2 is the included angle between the two straight lines.

Claims

1. The utility model provides a drawing dipperstick, includes ruler (1), its characterized in that: the left end of the straight ruler (1) is fixedly connected with an angle ruler (2), a rotating shaft (3) is rotatably connected to the angle ruler (2), a round groove is formed in the top end of the rotating shaft (3), a winding rod (4) is rotatably connected to the inside of the round groove, a ruler spring (5) is fixedly connected to the outside of the winding rod (4), and the other end of the ruler spring (5) is fixedly connected with the side end of the round groove;

the outside winding of wire winding pole (4) has stay cord (6), be provided with the round hole on pivot (3), stay cord (6) are located the inside of round hole, and stay cord (6) extend to the outside one end fixedly connected with fixed block (7) of round hole.

2. A drawing measuring scale according to claim 1, wherein: the fixed block (7) is fixedly connected with a pull handle (8).

3. A drawing measuring scale according to claim 2, wherein: the inside of pivot (3) is located the both sides of round hole and is provided with the lack groove, and the inside of two lack grooves is all rotated and is connected with guide roll (9).

4. A drawing measuring scale according to claim 3, wherein: the front end of the rotating shaft (3) is connected with a sealing plate (10) through screws.

5. A drawing measuring scale according to claim 4, wherein: the central axis of the rotating shaft (3) is coincident with the central axis of the angle gauge (2).

6. A drawing measuring scale according to claim 5, wherein: the central axis of the rotating shaft (3) is positioned on the side end face of the ruler (1).