CN218955609U

CN218955609U - Drawing dipperstick

Info

Publication number: CN218955609U
Application number: CN202222595119.0U
Authority: CN
Inventors: 高伟丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-05-02
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to an engineering cost technical field discloses a drawing dipperstick, including protractor, first ruler and second ruler, the center department of protractor is fixed and is equipped with first pivot, and the one end rotation of first ruler sets up on the axial wall of first pivot, and the axial wall of first pivot is provided with fixation nut through the external screw thread, and the second ruler is located the top of first ruler, and the one end that the protractor was kept away from to first ruler and second ruler is rotated through the second pivot and is connected, and the bottom of first ruler is equipped with the elastic mechanism that sets up with the second ruler joint. This application is convenient for fix arbitrary angle between first ruler and second ruler and the protractor, reduces the use error, and can increase measurement length.

Description

Drawing dipperstick

Technical Field

The application relates to the technical field of engineering cost, in particular to a drawing measuring ruler.

Background

The project cost refers to the total cost of performing a certain project construction, and the core content of the project cost is investment estimation, design overview, correction overview, construction drawing budget, project settlement, completion resolution and the like. The main task of the engineering cost is to calculate the direct fee, such as manpower, material and equipment, construction equipment, enterprise management fee, measure fee, profit and tax, etc. contained in the engineering according to the drawing, quota and list specification. In the engineering cost industry, some data are often required to be measured on drawings, or drawings are drawn according to a measuring ruler, wherein a ruler and a protractor are most commonly used.

The utility model discloses a drawing dipperstick for engineering cost, including angle square and ruler, the one end of ruler outwards protrudes and forms a connecting portion, and the one end of connecting portion is installed in the center department of angle square through the pivot, and the centre axial of ruler is equipped with the location mouth, is equipped with the installing port between ruler and the angle square, is equipped with the locating piece with the ruler location in the installing port, and the surface of connecting portion is equipped with the bar mouth to locating piece department, and bar mouth top is equipped with the impeller block, and the bottom surface of impeller block is just to installing the connecting block in bar mouth department, and the connecting block lower extreme passes the bar mouth and installs on the surface of locating piece.

When the technical scheme is realized, at least the following defects exist: 1. the spring is used for applying elasticity to the pushing block, so that the pushing block is used for clamping and fixing the ruler and the protractor, the use stability of the ruler is improved, but the angle of the pushing block is limited to be fixed, the pushing block cannot be fixed in any direction, and a certain fixing error exists; 2. the length of the ruler is not adjustable, and if the measured length exceeds a certain length, the ruler cannot be used.

Disclosure of Invention

An object of the application is to provide a drawing dipperstick, be convenient for fix arbitrary angle between first ruler and second ruler and the protractor, reduce the use error, and can increase measurement length, solved the problem that proposes among the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a drawing dipperstick, includes protractor, first ruler and second ruler, the center department of protractor is fixed and is equipped with first pivot, the one end rotation of first ruler sets up on the axle wall of first pivot, the axle wall of first pivot is provided with fixation nut through the external screw thread, the second ruler is located the top of first ruler, and the one end that protractor was kept away from to first ruler and second ruler is rotated through the second pivot and is connected, the bottom of first ruler is equipped with the elastic mechanism that sets up with the second ruler joint.

Through adopting above-mentioned technical scheme, through setting up first pivot and fixation nut in protractor center department, first ruler and second ruler can be around first pivot angle rotation, and rethread fixation nut can be fixed arbitrary angle between first ruler and the protractor, improves the stability in use of first ruler and second ruler, and does not have angle fixation error.

As a preferred embodiment of this application, elastic mechanism includes ejector pin, fixed block and spring, the ejector pin is vertical inside of inserting in first ruler, the fixed block is fixed to be set up in the lower extreme of ejector pin, the spring housing is located on the pole wall of ejector pin, and the both ends of spring respectively with fixed block and first ruler fixed connection, the draw-in groove has all been seted up to the bottom of second ruler and the both sides that are located the second pivot, the upper end and the draw-in groove joint of ejector pin set up.

Through adopting above-mentioned technical scheme, be convenient for through setting up elastic mechanism to fix with the joint between first ruler and the second ruler.

As a preferred implementation mode of the device, the upper end of the ejector rod adopts a convex arc-shaped end face, and the clamping groove adopts an arc-shaped groove.

By adopting the technical scheme, the ejector rod is convenient to clamp.

As a preferred embodiment of the present application, the top of the fixing nut is fixedly provided with a holding part, the bottom of the fixing nut is fixedly provided with a rubber ring, and the bottom of the rubber ring is in sliding contact with the top of the protractor.

Through adopting above-mentioned technical scheme, can increase staff and twist the frictional force to the nut through setting up the rubber circle.

As a preferred embodiment of the present application, the upper ends of the first rotating shafts are all fixedly provided with limit stops.

Through adopting above-mentioned technical scheme, through setting up limit stop, place fixation nut and break away from the pivot, cause the protractor to break away from with first ruler.

As a preferred embodiment of the present application, the protractor, the first ruler and the second ruler all employ transparent PC boards.

As a preferred embodiment of the present application, the length of the first ruler is greater than the length of the second ruler.

Through adopting above-mentioned technical scheme, be convenient for accomodate the second ruler.

Compared with the prior art, the beneficial effects of the application are as follows:

1. the drawing dipperstick of this application through setting up first pivot and fixation nut in protractor center department, first ruler and second ruler can be around first pivot angle rotation, and rethread fixation nut can be fixed arbitrary angle between first ruler and the protractor, improves the stability in use of first ruler and second ruler, and does not have angle fixation error.

2. The drawing dipperstick of this application through the second pivot that sets up between first ruler and second ruler, and the second ruler can be opened or folding around second pivot angle rotation, can increase measuring scope, satisfies different measuring demands.

3. The drawing dipperstick of this application through ejector pin, fixed block and the spring that are equipped with, accessible ejector pin joint sets up between first ruler and the second ruler to can be with the fixed position of second ruler.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the whole structure of a measuring scale of the drawing of the application;

FIG. 2 is a top view of FIG. 1;

fig. 3 is an enlarged view of the structure of the portion a in fig. 1.

In the figure: 1. an angle gauge; 2. a first ruler; 3. a second ruler; 4. a first rotating shaft; 5. a fixing nut; 6. a second rotating shaft; 7. a push rod; 8. a fixed block; 9. a spring; 10. a clamping groove; 11. a rubber ring; 12. and a limit stop.

Detailed Description

Referring to fig. 1-3, the present application provides a technical solution: the utility model provides a drawing dipperstick, including protractor 1, first ruler 2 and second ruler 3, protractor 1, first ruler 2 and second ruler 3 all adopt transparent PC board, the fixed first pivot 4 that is equipped with in center department of protractor 1, the one end rotation of first ruler 2 sets up on the axial wall of first pivot 4, the axial wall of first pivot 4 is provided with fixation nut 5 through the external screw thread, the fixed portion of gripping that is equipped with in the top of fixation nut 5, the fixed rubber circle 11 that is equipped with in bottom of fixation nut 5, and the bottom of rubber circle 11 and the top sliding contact setting of protractor 1, the upper end of first pivot 4 is all fixed and is equipped with limit stop 12, the first pivot 4 angle rotation that first ruler 2 and second ruler 3 can be surrounded, rethread fixation nut 5 can be fixed arbitrary angle between first ruler 2 and the protractor 1, improve the stability in use of first ruler 2 and second ruler 3. The second ruler 3 is located the top of first ruler 2, and the one end that protractor 1 was kept away from to first ruler 2 and second ruler 3 is rotated through second pivot 6 and is connected, and the length of first ruler 2 is greater than the length of second ruler 3, and the bottom of first ruler 2 is equipped with the elastic mechanism that sets up with the 3 joint of second ruler.

Referring to fig. 3, the elastic mechanism includes a push rod 7, a fixing block 8 and a spring 9, the push rod 7 is vertically inserted into the first ruler 2, the fixing block 8 is fixedly disposed at the lower end of the push rod 7, the spring 9 is sleeved on the rod wall of the push rod 7, two ends of the spring 9 are fixedly connected with the fixing block 8 and the first ruler 2 respectively, clamping grooves 10 are formed in the bottom of the second ruler 3 and located at two sides of the second rotating shaft 6, the upper end of the push rod 7 is clamped with the clamping grooves 10, the upper end of the push rod 7 adopts a protruding arc-shaped end face, the clamping grooves 10 adopt arc-shaped grooves, the spring 9 can apply upward elastic force to the fixing block 8, so that the push rod 7 moves upwards and is in plug-in fit with the clamping grooves 10 on the second ruler 3, and the angle between the first ruler 2 and the second ruler 3 can be fixed.

It should be noted that the application is a drawing measuring ruler, including protractor 1, first ruler 2, second ruler 3, first pivot 4, fixation nut 5, second pivot 6, ejector pin 7, fixed block 8, spring 9, draw-in groove 10, rubber 11 and limit stop 12, the part is the general standard component or the part that skilled in the art knows, its structure and principle are all that skilled in the art can know through technical handbook or through conventional experimental method, during operation, make first ruler 2 rotate around first pivot 4 angle, can measure the angle, rethread tightening fixation nut 5, fixation nut 5 can screw up fixed between first ruler 2 and the protractor 1, thereby make the angle of first ruler 2 obtain fixedly, improve the stability of use, and there is not angle fixing error; when the measurement length needs to be adjusted, the fixed block 8 is pulled at the moment, so that the ejector rod 7 moves downwards and stretches the spring 9, meanwhile, the upper end of the ejector rod 7 moves out of the clamping groove 10 on the second ruler 3, then the third ruler 3 can be rotated and opened around the second rotating shaft 6, the first ruler 2 and the second ruler 3 can be positioned on the same straight line, and the measurement requirement is met; when the second ruler 3 is needed, the second ruler 3 can be rotatably stored, and the first ruler 2 and the second ruler 3 are clamped and fixed through the ejector rod 7.

Claims

1. The utility model provides a drawing dipperstick, includes protractor (1), first ruler (2) and second ruler (3), its characterized in that: the center department of protractor (1) is fixed and is equipped with first pivot (4), the one end rotation of first ruler (2) sets up on the axle wall of first pivot (4), the axle wall of first pivot (4) is provided with fixation nut (5) through the external screw thread, second ruler (3) are located the top of first ruler (2), and the one end that protractor (1) was kept away from to first ruler (2) and second ruler (3) is rotated through second pivot (6) and is connected, the bottom of first ruler (2) is equipped with the elastic mechanism that sets up with second ruler (3) joint.

2. A drawing measuring scale according to claim 1, wherein: the elastic mechanism comprises a push rod (7), a fixed block (8) and a spring (9), wherein the push rod (7) is vertically inserted into the first ruler (2), the fixed block (8) is fixedly arranged at the lower end of the push rod (7), the spring (9) is sleeved on the rod wall of the push rod (7), the two ends of the spring (9) are respectively fixedly connected with the fixed block (8) and the first ruler (2), clamping grooves (10) are respectively formed in the bottom of the second ruler (3) and located on the two sides of the second rotating shaft (6), and the upper end of the push rod (7) is clamped with the clamping grooves (10).

3. A drawing measuring scale according to claim 2, wherein: the upper end of the ejector rod (7) adopts a convex arc-shaped end face, and the clamping groove (10) adopts an arc-shaped groove.

4. A drawing measuring scale according to claim 1, wherein: the top of fixation nut (5) is fixed and is equipped with the portion of gripping, the bottom of fixation nut (5) is fixed and is equipped with rubber circle (11), and the bottom of rubber circle (11) and the top sliding contact setting of protractor (1).

5. A drawing measuring scale according to claim 1, wherein: and limit stops (12) are fixedly arranged at the upper ends of the first rotating shafts (4).

6. A drawing measuring scale according to claim 1, wherein: the protractor (1), the first ruler (2) and the second ruler (3) are transparent PC boards.

7. A drawing measuring scale according to claim 1, wherein: the length of the first ruler (2) is larger than that of the second ruler (3).