CN220230324U - Drawing dipperstick for engineering cost - Google Patents

Abstract

The utility model relates to a measuring ruler, in particular to a drawing measuring ruler for engineering cost. The utility model provides a drawing measuring scale with an extension function for engineering cost, which comprises a main scale, a round scale and a measuring pointer, wherein the rear end of the main scale is connected with the round scale for measuring angles, the middle part of the round scale is rotationally connected with the measuring pointer, the drawing measuring scale also comprises an auxiliary scale, a limiting block, a clamping block and a first spring, the main scale is internally and slidably connected with the auxiliary scale for measuring the length, the first spring for extending the auxiliary scale is connected between the auxiliary scale and the main scale, clamping grooves are symmetrically formed in the front and the rear of the left side of the main scale, sliding grooves are formed in the tops of the main scale and the auxiliary scale, the limiting block is slidably connected on the sliding grooves, the left side of the rear end of the auxiliary scale is slidably connected with the clamping block, and the clamping block is in clamping fit with the similar clamping grooves. Through with vice chi extension, can conveniently prolong the measuring distance, through the setting of circle chi, conveniently measure the angle.

Description

Drawing dipperstick for engineering cost

Technical Field

The utility model relates to a measuring ruler, in particular to a drawing measuring ruler for engineering cost.

Background

The engineering cost refers to the total cost of a certain engineering construction, and the core content of the engineering cost is investment estimation, design overview, correction overview, completion resolution and the like. Drawing measuring scales are needed in the engineering cost industry, and drawings are measured.

The utility model provides a drawing dipperstick of patent publication number CN218002357U, includes ruler and portable device, the spout has been seted up on the surface of ruler, the ruler is transparent plastic ruler, portable device is located the spout department on the surface of ruler, portable device includes the pivot, the arc surface of pivot and the inner wall sliding connection of the spout of ruler, the arc surface rotation of pivot is connected with the protractor, the protractor is transparent plastic protractor, the change hole has been seted up on the surface of protractor, the change hole inner wall of protractor rotates with the arc surface of pivot to rotate to be connected, the constant head tank that runs through has been seted up to one side that the spout inner wall of ruler is close to the protractor, the inner wall sliding connection of constant head tank has the reference column.

However, the above patent also has the following problems:

when the length is measured, if the length is required to be prolonged, additional rulers are required to be spliced together for prolonging, and as the two rulers are combined together, the positions of the two rulers cannot be ensured to be on the same horizontal line, so that errors occur in measurement.

Disclosure of Invention

In order to overcome the defect of no extension function, the utility model provides a drawing measuring ruler with an extension function for engineering cost.

The utility model provides a drawing dipperstick for engineering cost, including main scale, circle chi and measurement pointer, the rear end of main scale is connected with the circle chi that is used for measuring the angle, the middle part rotation of circle chi is connected with the measurement pointer, still including auxiliary scale, the stopper, fixture block and first spring, sliding connection has the auxiliary scale that is used for measuring length in the main scale, and be connected with the first spring that is used for prolonging auxiliary scale between auxiliary scale and the main scale, the draw-in groove has been opened to the left side bilateral symmetry of main scale, all open at main scale and auxiliary scale top has the spout, sliding connection has the stopper on the spout, the rear end left side sliding connection of auxiliary scale has the fixture block, fixture block and similar draw-in groove joint cooperation.

Further, still including extending piece, second spring, draw-in bar and connecting rod, the top is connected with the second spring in the auxiliary scale, and the bottom of second spring is connected with the connecting rod, and the left side of auxiliary scale is connected with the extending piece through the elastic component, and it has the recess to open on the extending piece, draw-in bar and extending piece joint cooperation.

Further, the front end face of the auxiliary ruler is connected with a carrying handle.

Further, the auxiliary ruler also comprises a push rod, and the front part in the auxiliary ruler is connected with the push rod in a sliding way.

Further, the surface of the clamping block is provided with anti-skid patterns.

The utility model has the beneficial effects and remarkable progress that:

1. through with vice chi extension, can conveniently prolong the measuring distance, through the setting of circle chi, conveniently measure the angle.

2. Through the setting of extension piece, after with the auxiliary scale extension, extension piece extension can guarantee that the width of main scale and auxiliary scale is unanimous, avoids influencing the user and carries out the marking operation.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an enlarged view of the utility model at a.

Fig. 3 is a first cross-sectional perspective view of the present utility model.

Fig. 4 is a second cross-sectional perspective view of the present utility model.

In the reference numerals: 1: main scale, 2: circle ruler, 3: measurement pointer, 4: auxiliary ruler, 5: clamping groove, 6: limiting block, 7: chute, 8: clamping block, 9: first spring, 10: extension block, 11: second spring, 12: push rod, 13: handle, 14: clamping rod, 15: and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a drawing dipperstick for engineering cost, refer to fig. 1 through 3, including main scale 1, circle chi 2, measure pointer 3, auxiliary scale 4, stopper 6, fixture block 8 and first spring 9, the rear end of main scale 1 is connected with the circle chi 2 that is used for measuring the angle, the middle part rotation of circle chi 2 is connected with measures pointer 3, sliding connection has the auxiliary scale 4 that is used for prolonging the measuring distance in main scale 1, and be connected with the first spring 9 that is used for prolonging auxiliary scale 4 between auxiliary scale 4 and the main scale 1, open the left side front and back symmetry of main scale 1 has draw-in groove 5, all open at main scale 1 and auxiliary scale 4 top has spout 7, sliding connection has stopper 6 on the spout 7, the rear end left side sliding connection of auxiliary scale 4 has fixture block 8, the surface of fixture block 8 is provided with anti-skidding line, increase hand and the frictional force between the fixture block 8, play anti-skidding effect, fixture block 8 and similar draw-in groove 5 joint cooperation.

When the drawing measuring rule is needed, the main rule 1 is placed at a position to be measured, measurement work is carried out, the round rule 2 is used for measuring angles, when the measuring rule is not long enough, the auxiliary rule 4 can be prolonged, when the drawing measuring rule is specifically operated, a user pulls the auxiliary rule 4 forwards for prolonged operation, in the process, the first spring 9 can be stretched, when the clamping block 8 on the auxiliary rule 4 moves into the corresponding clamping groove 5, the clamping block 8 moves upwards to be clamped into the clamping groove 5, the auxiliary rule 4 is fixed, then the auxiliary rule 4 is fixed, when the drawing pen is needed to be used for marking on a drawing, the limiting block 6 can be slid onto a value wanted by the measuring rule, the limiting block 6 can play a marking role, and subsequent drawing is convenient. When the drawing measuring ruler is not required to be used, the clamping block 8 slides downwards, the clamping block 8 is separated from the clamping groove 5, the auxiliary ruler 4 is not fixed, and the auxiliary ruler 4 is driven to retract under the reset action of the first spring 9.

Example 2

On the basis of embodiment 1, referring to fig. 4, the auxiliary ruler further comprises an extension block 10, a second spring 11, a clamping rod 14 and a connecting rod 15, wherein the second spring 11 is connected to the inner top of the auxiliary ruler 4 in a welded and fixed mode, the connecting rod 15 is connected to the bottom end of the second spring 11, the extension block 10 is connected to the left side of the auxiliary ruler 4 through an elastic piece, the extension block 10 is used for enabling the widths of the main ruler 1 and the auxiliary ruler 4 to be consistent, a groove is formed in the extension block 10, and the clamping rod 14 is matched with the extension block 10 in a clamping mode.

Referring to fig. 4, the auxiliary ruler 4 further comprises a push rod 12, the push rod 12 is connected to the right side of the inner front portion of the auxiliary ruler 4 in a sliding mode, the push rod 12 is in contact with the clamping rod 14, and one surface, in contact with the clamping rod 14, of the push rod 12 is arranged in an inclined plane, so that the connecting rod 15 can be conveniently jacked up.

The elastic member on the extension block 10 is in a compressed state initially, the second spring 11 is in a compressed state, after the auxiliary ruler 4 is prolonged, the extension block 10 can move outwards and extend under the action of resetting the elastic member, then the connecting rod 15 and the clamping rod 14 can move downwards under the action of resetting the second spring 11 and clamp into the groove of the extension block 10, the extension block 10 is fixed, the extension block 10 is prevented from being retracted randomly under the influence of external force, and the width of the auxiliary ruler 4 is consistent with the width of the main ruler 1 through the operation, so that the marking work of a user is facilitated. When it is desired to retract the extension block 10, the push rod 12 is pushed inwardly so that the push rod 12 contacts the connecting rod 15, then the connecting rod 15 is lifted upward, the second spring 11 is compressed again, and the catch 14 is disengaged from the groove on the extension block 10.

Referring to fig. 4, the front end surface of the sub-scale 4 is welded with a handle 13 to facilitate pulling out the sub-scale 4.

It should be understood that this example is only illustrative of the utility model and is not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (5)

1. The utility model provides a drawing dipperstick for engineering cost, is including main scale (1), circle chi (2) and measurement pointer (3), and the rear end of main scale (1) is connected with circle chi (2) that are used for measuring the angle, and the middle part rotation of circle chi (2) is connected with measurement pointer (3), its characterized in that: still including auxiliary scale (4), stopper (6), fixture block (8) and first spring (9), sliding connection has auxiliary scale (4) that are used for measuring length in main scale (1), and be connected with between auxiliary scale (4) and main scale (1) first spring (9) that are used for prolonging auxiliary scale (4), the draw-in groove (5) have been opened to symmetry around the left side of main scale (1), spout (7) have all been opened at main scale (1) and auxiliary scale (4) top, sliding connection has stopper (6) on spout (7), the rear end left side sliding connection of auxiliary scale (4) has fixture block (8), fixture block (8) and close draw-in groove (5) joint cooperation.

2. A drawing ruler for engineering cost according to claim 1, characterized in that: still including extending piece (10), second spring (11), clamping lever (14) and connecting rod (15), the top is connected with second spring (11) in auxiliary scale (4), and the bottom of second spring (11) is connected with connecting rod (15), and the left side of auxiliary scale (4) is connected with through the elastic component and extends piece (10), and it has recess to open on extending piece (10), clamping lever (14) and extending piece (10) joint cooperation.

3. A drawing ruler for construction cost according to claim 2, characterized in that: the front end face of the auxiliary ruler (4) is connected with a carrying handle (13).

4. A drawing ruler for construction cost according to claim 3, wherein: the device also comprises a push rod (12), and the push rod (12) is connected with the inner front part of the auxiliary ruler (4) in a sliding way.

5. A drawing ruler for engineering cost according to claim 1, characterized in that: the surface of the clamping block (8) is provided with anti-skid patterns.