CN204165484U - measuring device - Google Patents

Abstract

The utility model provides a kind of measurement mechanism, comprise: the first fan-shaped assembly (10), comprise stacked the first scallop (11) and the second scallop (12), first scallop (11) and the second scallop (12) have the first common center of circle, and the first scallop (11) and the second scallop (12) all can be rotated around first center of circle; Second fan-shaped assembly (20), comprise the 3rd stacked scallop (21) and four fan-shaped portion (22), 3rd scallop (21) and four fan-shaped portion (22) have the second common center of circle, and the 3rd scallop (21) and four fan-shaped portion (22) all can be rotated around second center of circle; Elastic telescopic chi (30), the two ends of elastic telescopic chi (30) are slidably disposed on the first fan-shaped assembly (10) and the second fan-shaped assembly (20).The technical solution of the utility model efficiently solves the catercorner length of parts in prior art and measures inaccurate problem.

Description

measuring device

technical field

The utility model relates to the technical field of engineering machinery measurement, in particular to a measuring device.

Background technique

In the prior art, in order to ensure the verticality required by the design and prevent it from being rhomboid or trapezoidal, it is usually necessary to use a ruler to measure whether the two adjacent sides of the quadrilateral frame structure are vertical and whether the lengths of the diagonals are equal.

Many parts, such as the crane outrigger box structure, are chamfered or rounded, which leads to inaccurate positioning of the extension lines on both sides. As shown in Fig. 1, it is inaccurate to measure directly with the ruler 30', the diagonal cannot be directly measured by the ruler, and whether it is a rectangle cannot be determined by determining whether the diagonals are of the same length.

Utility model content

The utility model aims to provide a measuring device to solve the problem of inaccurate measurement of the diagonal length of components in the prior art.

In order to achieve the above object, the utility model provides a measuring device, comprising: a first fan-shaped assembly, including a stacked first fan-shaped part and a second fan-shaped part, the first fan-shaped part and the second fan-shaped part have a common first The center of the circle, the first sector and the second sector can rotate around the first center; the second sector assembly includes the stacked third sector and the fourth sector, the third sector and the fourth sector have a common The second center, the third fan-shaped part and the fourth fan-shaped part can rotate around the second circle center; the elastic telescopic ruler, the two ends of the elastic telescopic ruler are slidably arranged on the first fan-shaped assembly and the second fan-shaped assembly.

Further, the first sector is located above the second sector, the second sector is provided with a first scale mark, the third sector is located above the fourth sector, and the fourth sector is provided with a second scale marked.

Further, the first scale mark includes a first right-angle indicating line, and the second scale mark includes a second right-angle indicating line.

Further, a first arc-shaped chute is provided on the first sector, a second arc-shaped chute corresponding to the position of the first arc-shaped chute is provided on the second sector; a third arc-shaped chute is provided on the third sector. arc-shaped chute, the fourth sector is provided with a fourth arc-shaped chute corresponding to the position of the third arc-shaped chute; the measuring device also includes a The first pin shaft in the groove and the second pin shaft that is slidably arranged in the third arc-shaped chute and the fourth arc-shaped chute, the two ends of the elastic telescopic ruler are connected with the first pin shaft and the second pin shaft respectively. connect.

Further, a fifth arc-shaped chute is provided on the first sector, a sixth arc-shaped chute corresponding to the position of the fifth arc-shaped chute is provided on the second sector; a seventh arc-shaped chute is provided on the third sector. arc-shaped chute, the fourth sector is provided with an eighth arc-shaped chute corresponding to the position of the seventh arc-shaped chute; the measuring device also includes The third pin shaft in the groove and the fourth pin shaft slidably arranged in the seventh arc-shaped chute and the eighth arc-shaped chute.

Further, the distance between the first arc-shaped chute and the first circle center is greater than the distance between the fifth arc-shaped chute and the first circle center; the distance between the third arc-shaped chute and the second circle center is greater than the distance between the seventh arc-shaped chute and the first circle center The distance between the two centers.

Further, the angles of the first sector, the second sector, the third sector and the fourth sector are less than 90 degrees.

Further, the structures of the first sector, the second sector, the third sector and the fourth sector are the same.

Applying the technical scheme of the utility model, when measuring the diagonal length of a component, the first fan-shaped part and the second fan-shaped part of the first fan-shaped assembly are rotated around the first circle center, so that the first fan-shaped part and the second fan-shaped part are opposite to each other. The distant side edge coincides with the two adjacent edges of the part. Similarly, rotate the third sector and the fourth sector of the second sector assembly around the second center of circle, so that the side edges of the third sector and the fourth sector are relatively far away from the other two adjacent parts of the component. Edges coincide. The process described above enables positioning of parts with chamfers or roundings. In the technical solution of the utility model, the two ends of the elastic telescopic ruler are slidably arranged on the first fan-shaped assembly and the second fan-shaped assembly. Therefore, in the process of adjusting the first fan-shaped assembly and the second fan-shaped assembly, the elastic telescopic ruler will be stretched or shortened, the two ends of the elastic telescopic ruler will slide, and the elastic telescopic ruler will be automatically adjusted to coincide with the diagonal of the component. Position, and then complete the measurement of the length of a diagonal line of the part. Similarly, by repeating the above operations and adjusting the positions of the first fan-shaped assembly and the second fan-shaped assembly, the measurement of the length of another diagonal line of the component can be completed. In this way, the length of the diagonal line of the component can be accurately measured through the technical solution of the utility model.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows the schematic diagram when using a ruler to directly measure the length of the butt wire in the prior art;

Fig. 2 shows a schematic structural view of an embodiment of a measuring device according to the present invention;

Fig. 3 shows the structural representation of the first fan-shaped assembly of the measuring device of Fig. 2;

Fig. 4 shows the structural representation of the second fan-shaped assembly of the measuring device of Fig. 2; And

FIG. 5 shows another schematic diagram of the use state of the measuring device in FIG. 2 .

The above-mentioned drawings include the following reference numerals:

30', ruler; 10, the first sector assembly; 11, the first sector; 111, the first arc chute; 112, the fifth arc chute; 12, the second sector; 121, the second arc Chute; 122, the sixth arc-shaped chute; 13, the first right-angle indicator line; 20, the second sector assembly; 21, the third sector; 211, the third arc-shaped chute; 212, the seventh arc-shaped slide Groove; 22, the fourth sector; 221, the fourth arc chute; 222, the eighth arc chute; 30, elastic stretch ruler; 41, the first pin; 42, the second pin; 43, the first pin Three pin shafts; 44, the fourth pin shaft.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIGS. 2 to 4 , the measuring device of this embodiment includes: a first fan-shaped assembly 10 , a second fan-shaped assembly 20 and an elastic stretchable ruler 30 . Wherein, the first fan-shaped assembly 10 includes a stacked first fan-shaped part 11 and a second fan-shaped part 12, the first fan-shaped part 11 and the second fan-shaped part 12 have a common first center of circle, the first fan-shaped part 11 and the second fan-shaped part Each part 12 can rotate around the first center of circle. The second fan-shaped assembly 20 includes a stacked third fan-shaped portion 21 and a fourth fan-shaped portion 22, the third fan-shaped portion 21 and the fourth fan-shaped portion 22 have a common second center of circle, the third fan-shaped portion 21 and the fourth fan-shaped portion 22 All can rotate around the second center of circle. Both ends of the elastic telescoping ruler 30 are slidably arranged on the first fan-shaped assembly 10 and the second fan-shaped assembly 20 .

Applying the technical solution of this embodiment, when measuring the diagonal length of a part, the first fan-shaped part 11 and the second fan-shaped part 12 of the first fan-shaped assembly 10 are rotated around the first center of circle, so that the first fan-shaped part 11 and the second fan-shaped part 11 The relatively distant side edges of the two fan-shaped parts 12 coincide with the two adjacent sides of the component. Similarly, the third fan-shaped part 21 and the fourth fan-shaped part 22 of the second fan-shaped assembly 20 are rotated around the second center of circle, so that the side edges of the third fan-shaped part 21 and the fourth fan-shaped part 22 are relatively far away from the other parts of the component. Two adjacent edges coincide. The process described above enables positioning of parts with chamfers or roundings. In the technical solution of this embodiment, both ends of the elastic stretchable ruler 30 are slidably arranged on the first fan-shaped assembly 10 and the second fan-shaped assembly 20 . Therefore, in the process of adjusting the first fan-shaped assembly 10 and the second fan-shaped assembly 20, the elastic telescopic ruler 30 will be stretched or shortened, the two ends of the elastic telescopic ruler 30 will slide, and the elastic telescopic ruler 30 will be automatically adjusted to match the components. The position where the diagonal lines coincide, and then complete the measurement of the length of a diagonal line of the component. Similarly, repeating the above operations and adjusting the positions of the first fan-shaped assembly 10 and the second fan-shaped assembly 20 can complete the measurement of the length of another diagonal line of the component. In this way, the length of the diagonal line of the component can be accurately measured through the technical solution of this embodiment. Furthermore, it is possible to measure a symmetrical figure, such as whether the diagonals of a quadrilateral, a pentagon, or even a polygon with more sides are equal, and then judge whether the figure is symmetrical.

In the technical solution of this embodiment, the relatively distant sides of the first sector 11 and the second sector 12 may form an obtuse angle, an acute angle or a right angle. The relatively distant sides of the third sector 21 and the fourth sector 22 may form an obtuse angle, an acute angle or a right angle. The first fan-shaped part 11 is located above the second fan-shaped part 12, and the second fan-shaped part 12 is provided with a first scale mark. The third fan-shaped part 21 is located above the fourth fan-shaped part 22 , and the second scale mark is arranged on the fourth fan-shaped part 22 . The first scale mark and the second scale mark can be distributed along a fan shape, so that it can be judged whether the two adjacent sides of the component are perpendicular or the angle formed by the above-mentioned first and second scale marks.

As shown in FIG. 2 and FIG. 3 , in the technical solution of this embodiment, the first scale mark includes a first right-angle indicating line 13 , and the second scale mark includes a second right-angle indicating line. In this way, it is easy and fast to judge whether two adjacent sides of the component are perpendicular.

As shown in Fig. 3 and Fig. 4, in the technical solution of this embodiment, a first arc-shaped chute 111 is provided on the first sector 11, and a first arc-shaped chute 111 is provided on the second sector 12. The second arc-shaped sliding groove 121 corresponding to the position. In this way, when the first sector 11 and the second sector 12 are stacked, the first arc-shaped sliding groove 111 and the second arc-shaped sliding groove 121 partially overlap. A third arc-shaped sliding slot 211 is provided on the third sector 21 , and a fourth arc-shaped sliding slot 221 corresponding to the position of the third arc-shaped sliding slot 211 is provided on the fourth sector 22 . In this way, when the third sector 21 and the fourth sector 22 are stacked, the third arc-shaped slot 211 and the fourth arc-shaped slot 221 partially overlap.

As shown in Figure 2, the measuring device of the technical solution of this embodiment also includes a first pin shaft 41 slidably arranged in the first arc-shaped chute 111 and the second arc-shaped chute 121 and slidably arranged in The second pin shaft 42 in the third arc-shaped chute 211 and the fourth arc-shaped chute 221 are respectively connected to the first pin shaft 41 and the second pin shaft 42 at both ends of the elastic telescopic ruler 30 . Installing the elastic telescopic ruler 30 through the first pin shaft 41 and the second pin shaft 42 has a simple structure and is easy to realize.

As shown in Figures 3 and 4, in the technical solution of this embodiment, the first sector 11 is provided with a fifth arc-shaped chute 112, and the second sector 12 is provided with the fifth arc-shaped chute 112 The position corresponds to the sixth arc chute 122 . The third sector 21 is provided with a seventh arc-shaped sliding slot 212 , and the fourth sector 22 is provided with an eighth arc-shaped sliding slot 222 corresponding to the position of the seventh arc-shaped sliding slot 212 . The measuring device also includes a third pin 43 slidably arranged in the fifth arc chute 112 and the sixth arc chute 122 and a third pin 43 slidably arranged in the seventh arc chute 212 and the eighth arc chute. The fourth pin shaft 44 in the slot 222 .

The fifth arc chute 112 , the sixth arc chute 122 and the third pin shaft 43 can limit the rotation of the first sector 11 and the second sector 12 . Specifically, both the first fan-shaped part 11 and the second fan-shaped part 12 can be rotated around the first center of circle, thereby ensuring the measurement accuracy. Likewise, the seventh arc-shaped sliding slot 212 , the eighth arc-shaped sliding slot 222 and the fourth pin shaft 44 can limit the rotation of the third sector 21 and the fourth sector 22 . Specifically, both the third fan-shaped part 21 and the fourth fan-shaped part 22 can be rotated around the second center of circle, thereby ensuring the measurement accuracy.

As shown in FIGS. 2 to 4 , in the technical solution of this embodiment, the distance between the first arc-shaped chute 111 and the first circle center is greater than the distance between the fifth arc-shaped chute 112 and the first circle center. The distance between the third arc-shaped chute 211 and the second center of the circle is greater than the distance between the seventh arc-shaped chute 212 and the second circle center. The above structure makes the elastic telescopic ruler 30 easier to install and improves assembly efficiency.

In the technical solution of this embodiment, the angles of the first fan-shaped portion 11 , the second fan-shaped portion 12 , the third fan-shaped portion 21 and the fourth fan-shaped portion 22 are less than 90 degrees. This makes it easier to measure squareness.

In order to simplify the structure and save cost, in the technical solution of this embodiment, the structures of the first sector 11 , the second sector 12 , the third sector 21 and the fourth sector 22 are the same. In this way, a set of molds can be used to complete the processing of the first fan-shaped assembly 10 and the second fan-shaped assembly 20, which effectively saves the production cost.

As shown in FIG. 5 , the technical solution of this embodiment can easily determine whether two adjacent sides of a component are perpendicular through the first right angle indicator line 13 . When the two adjacent sides of the component form an acute angle, the positioning of the measurement can also be easily performed through the first fan-shaped assembly 10 or the second fan-shaped assembly 20 .

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. a measurement mechanism, is characterized in that, comprising:

First fan-shaped assembly (10), comprise stacked the first scallop (11) and the second scallop (12), described first scallop (11) and described second scallop (12) have the first common center of circle, and described first scallop (11) and described second scallop (12) all can be rotated around described first center of circle;

Second fan-shaped assembly (20), comprise the 3rd stacked scallop (21) and four fan-shaped portion (22), described 3rd scallop (21) and described four fan-shaped portion (22) have the second common center of circle, and described 3rd scallop (21) and described four fan-shaped portion (22) all can be rotated around described second center of circle;

Elastic telescopic chi (30), the two ends of described elastic telescopic chi (30) are slidably disposed on described first fan-shaped assembly (10) and described second fan-shaped assembly (20).

2. measurement mechanism according to claim 1, it is characterized in that, described first scallop (11) is positioned at the top of described second scallop (12), described second scallop (12) is provided with the first scale to indicate, described 3rd scallop (21) is positioned at the top of described four fan-shaped portion (22), described four fan-shaped portion (22) is provided with the second scale and indicates.

3. measurement mechanism according to claim 2, is characterized in that, described first scale indicates and comprises the first right angle index line (13), and described second scale indicates and comprises the second right angle index line.

4. measurement mechanism according to claim 1, is characterized in that,

Described first scallop (11) is provided with the first arc chute (111), and described second scallop (12) is provided with second arc chute (121) corresponding with described first arc chute (111) position;

Described 3rd scallop (21) is provided with the 3rd arc chute (211), and described four fan-shaped portion (22) is provided with four arc chute (221) corresponding with described 3rd arc chute (211) position;

Described measurement mechanism also comprises the first bearing pin (41) be slidably disposed in described first arc chute (111) and described second arc chute (121) and the second bearing pin (42) be slidably disposed in described 3rd arc chute (211) and described 4th arc chute (221), and the two ends of described elastic telescopic chi (30) are connected with described first bearing pin (41) and described second bearing pin (42) respectively.

5. measurement mechanism according to claim 4, is characterized in that,

Described first scallop (11) is provided with the 5th arc chute (112), and described second scallop (12) is provided with six arc chute (122) corresponding with described 5th arc chute (112) position;

Described 3rd scallop (21) is provided with the 7th arc chute (212), and described four fan-shaped portion (22) is provided with eight arc chute (222) corresponding with described 7th arc chute (212) position;

Described measurement mechanism also comprises the 3rd bearing pin (43) be slidably disposed in described 5th arc chute (112) and described 6th arc chute (122) and the 4th bearing pin (44) be slidably disposed in described 7th arc chute (212) and described 8th arc chute (222).

6. measurement mechanism according to claim 5, is characterized in that,

Described first arc chute (111) is greater than the distance in described 5th arc chute (112) and described first center of circle with the distance in described first center of circle;

Described 3rd arc chute (211) is greater than the distance in described 7th arc chute (212) and described second center of circle with the distance in described second center of circle.

7. measurement mechanism according to claim 1, it is characterized in that, the angle of described first scallop (11), described second scallop (12), described 3rd scallop (21) and described four fan-shaped portion (22) is less than 90 degree.

8. measurement mechanism according to claim 1, it is characterized in that, the structure of described first scallop (11), described second scallop (12), described 3rd scallop (21) and described four fan-shaped portion (22) is identical.