CN216348157U

CN216348157U - Large-diameter measuring vernier caliper

Info

Publication number: CN216348157U
Application number: CN202122578839.1U
Authority: CN
Inventors: 李明力; 王文先; 姜志鸿; 王玮玮; 马举
Original assignee: Chinalco Mining Co ltd
Current assignee: Chinalco Mining Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-19
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a large-diameter measuring vernier caliper, which comprises a first main ruler and a second main ruler, wherein a first sliding groove is formed in the surface of the first main ruler, the first main ruler is provided with a slidable first auxiliary ruler through the first sliding groove, the bottom of the first auxiliary ruler is provided with a connecting frame, a slidable measuring claw is arranged inside the connecting frame, an inner groove is formed inside the first main ruler, the first main ruler is provided with the second main ruler through the inner groove, a second sliding groove is formed in the surface of the second main ruler, and the second main ruler is provided with a slidable second auxiliary ruler through the second sliding groove; the large-diameter measuring vernier caliper is simple in structure and operation, and the measuring method of the vernier caliper is the same as that of a standard vernier caliper, does not need to be learned again, and can be directly used; the vernier caliper is provided with the second main scale and the second auxiliary scale, can effectively measure large-diameter parts, can directly measure the chord height by matching with the vernier caliper, and does not need to calculate.

Description

Large-diameter measuring vernier caliper

Technical Field

The utility model relates to the technical field of length measuring devices, in particular to a large-diameter measuring vernier caliper.

Background

As a commonly used measuring tool, a vernier caliper can be specifically applied to the following four aspects: 1. measuring the width of the workpiece; 2. measuring the outer diameter of the workpiece; 3. measuring the inner diameter of the workpiece; 4. and measuring the depth of the workpiece. At present, mechanical vernier calipers, digital display vernier calipers and dial vernier calipers are available in the market. Various types of vernier calipers are used for measuring parts with small diameters in the market at present, but the parts beyond the measuring range cannot be measured, the chord height cannot be directly measured, calculation is needed, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the part beyond the measurement range cannot be measured, the chord height cannot be directly measured, calculation is needed, and the use is inconvenient.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a large-diameter vernier caliper comprises a first main scale and a second main scale, wherein a first chute is arranged on the surface of the first main scale, the first main ruler is provided with a slidable first auxiliary ruler through a first chute, the bottom of the first auxiliary ruler is provided with a connecting frame, the inside of the connecting frame is provided with a slidable measuring claw, the inside of the first main scale is provided with an inner groove, the first main scale is provided with a second main scale through an inner groove, the surface of the second main scale is provided with a second sliding groove, the second main ruler is provided with a slidable second auxiliary ruler through a second sliding groove, one side of the second auxiliary ruler is provided with a caliper, a through groove is arranged on the side surface of the caliper, the measuring claw passes through the through groove and extends to the other side of the caliper, a first clamping jaw is arranged on the surface of the first main ruler close to the first sliding groove, and a second clamping jaw is arranged on the surface of the first auxiliary ruler.

Preferably, a first limiting groove is formed in the position, far away from the first sliding groove, of the side surface of the first main ruler, and a second limiting groove is formed in the position, far away from the second sliding groove, of the side surface of the second main ruler.

Preferably, the surface of the measuring claw is provided with a first positioning hole, and the surface of the connecting frame is provided with a first positioning pin.

Preferably, the surface of the second main scale is provided with a second positioning hole, and the surface of the first main scale, which is close to the inner groove, is provided with a second positioning pin.

Preferably, a first positioning bolt is arranged on the side surface of the first auxiliary ruler, and a second positioning bolt is arranged on the side surface of the second auxiliary ruler.

Preferably, the bottom ends of the first positioning bolt and the second positioning bolt are provided with rubber pads.

Compared with the prior art, the utility model has the following beneficial effects:

1. the vernier caliper has a simple structure and is easy to operate, and the measuring method of the vernier caliper is the same as that of a standard vernier caliper, so that the vernier caliper can be directly used without learning again;

2. the vernier caliper is provided with a second main ruler and a second auxiliary ruler, can effectively measure large-diameter parts, can directly measure the chord height by matching with the vernier caliper, does not need to calculate, and is convenient to use;

3. the second main scale, the second auxiliary scale and the measuring claw of the vernier caliper can be detached and can be detached when not in use, so that the overall size is reduced, and the vernier caliper is convenient to carry, store and increase.

Drawings

Fig. 1 is a front view of a large diameter measuring vernier caliper according to the present invention.

Fig. 2 is an exploded view of a large diameter vernier caliper.

Fig. 3 is a cross-sectional view of a large diameter measuring vernier caliper according to the present invention.

FIG. 4 is a schematic view of a large diameter vernier caliper.

Fig. 5 is an enlarged view of the utility model at a in fig. 3.

Fig. 6 is an enlarged view of the utility model at B in fig. 3.

In the figure: 1. a first main scale; 2. a first chute; 3. a first auxiliary scale; 4. an inner tank; 5. a second main scale; 6. a second chute; 7. a second minor rule; 8. a connecting frame; 9. measuring a claw; 10. a caliper; 11. a first jaw; 12. a second jaw; 13. a first limit groove; 14. a second limit groove; 15. a first positioning hole; 16. a first positioning pin; 17. a second positioning hole; 18. a second positioning pin; 19. a first positioning bolt; 20. a second positioning bolt; 21. a rubber pad; 22. a through groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Referring to fig. 1-6, a large-diameter vernier caliper includes a first main scale 1 and a second main scale 5, a first sliding groove 2 is formed on a surface of the first main scale 1, the first main scale 1 is provided with a slidable first auxiliary scale 3 through the first sliding groove 2, a connecting frame 8 is arranged at a bottom of the first auxiliary scale 3, and a slidable measuring jaw 9 is arranged inside the connecting frame 8. The scale has all been portrayed on the surface of first main scale 1 and second main scale 5, and wholly uses the metal material, and smooth processing is done on the surface, and the small scale has been portrayed on the surface of first vice chi 3, and the inside of first vice chi 3 has the slider with 2 looks adaptations of first spout, and can remove on first spout 2, and first spout 2 adopts T type structure, avoids first vice chi 3 derails. There is a space inside the link 8, and one end of the measuring grab 9 can be inserted into the link 8 from the side, and the link 8 and the first auxiliary scale 3 are of an integral structure.

The inside of first main scale 1 has been seted up inside groove 4, first main scale 1 is provided with second main scale 5 through inside groove 4, second spout 6 has been seted up on the surface of second main scale 5, second main scale 5 is provided with the vice chi 7 of slidable second through second spout 6, one side of the vice chi 7 of second is provided with slide caliper rule 10, logical groove 22 has been seted up to slide caliper rule 10's side, measuring jaw 9 passes logical groove 22 and extends to slide caliper rule 10's opposite side, the position that first main scale 1 surface is close to first spout 2 is provided with first jack catch 11, the surface of first vice chi 3 is provided with second jack catch 12. The one end at first main scale 1 is seted up to inside groove 4, the one end of second main scale 5 can be followed the side and inserted in inside groove 4, second spout 6 on second main scale 5 surface is the same with first spout 2, adopt T type structure, the vice chi 7 of second can remove at second spout 6, the surface of the vice chi 7 of second has also been carved with the scale, slide caliper rule 10 welds the side at the vice chi 7 of second, form L type structure, and slide caliper rule 10's manufacture process is the same with first main scale 1, measuring jaw 9 can remove in logical groove 22, make slide caliper rule 10 can not influence the removal of measuring jaw 9.

The position of the side surface of the first main scale 1 far away from the first sliding groove 2 is provided with a first limiting groove 13, and the position of the side surface of the second main scale 5 far away from the second sliding groove 6 is provided with a second limiting groove 14. The first limiting groove 13 can limit the position of the first auxiliary ruler 3, the sliding block matched with the first limiting groove 13 is arranged in the first auxiliary ruler 3, the first auxiliary ruler 3 is prevented from being parallel to the first main ruler 1, and similarly, the second limiting groove 14 limits the position of the second auxiliary ruler 7. The surface of the measuring claw 9 is provided with a first positioning hole 15, and the surface of the connecting frame 8 is provided with a first positioning pin 16. The surface of the second main scale 5 is provided with a second positioning hole 17, and the surface of the first main scale 1 near the inner groove 4 is provided with a second positioning pin 18. The first positioning holes 15 and the second positioning holes 17 are two, the first positioning pin 16 can enable the measuring claw 9 to be fixed when being inserted into the connecting frame 8, and therefore sliding is avoided, similarly, the second positioning pin 18 fixes the second main ruler 5, the first auxiliary ruler 3 is provided with a first positioning bolt 19 on the side, and the second auxiliary ruler 7 is provided with a second positioning bolt 20 on the side. The bottom ends of the first positioning bolt 19 and the second positioning bolt 20 are both provided with rubber pads 21. The first positioning bolt 19 is pressed against the rubber pad 21 against the side surface of the first main scale 1, so that the friction force can be increased, the first auxiliary scale 3 is not easy to move, and similarly, the second positioning bolt 20 is pressed against the rubber pad 21 against the side surface of the second main scale 5.

When this large diameter measurement slide caliper uses, can rotate first positioning bolt 19 and second positioning bolt 20, make first pair chi 3 and the vice chi 7 of second can remove, just can measure the object, this vernier caliper passes through second main scale 5, the vice chi 3 of second, can effectively measure large diameter part, it can directly measure the chord height to cooperate slide caliper 10 again, need not calculating, high durability and convenient use, this slide caliper's simple structure, moreover, the operation is simple, and this slide caliper's measuring method is the same with standard slide caliper's measuring method, do not need to learn once more, can directly use.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A large diameter measuring vernier caliper comprises a first main scale (1) and a second main scale (5), and is characterized in that: the surface of the first main scale (1) is provided with a first sliding groove (2), the first main scale (1) is provided with a slidable first auxiliary scale (3) through the first sliding groove (2), the bottom of the first auxiliary scale (3) is provided with a connecting frame (8), the inside of the connecting frame (8) is provided with a slidable measuring claw (9), the inside of the first main scale (1) is provided with an inner groove (4), the first main scale (1) is provided with a second main scale (5) through the inner groove (4), the surface of the second main scale (5) is provided with a second sliding groove (6), the second main scale (5) is provided with a slidable second auxiliary scale (7) through the second sliding groove (6), one side of the second auxiliary scale (7) is provided with a caliper (10), the side of the caliper (10) is provided with a through groove (22), and the measuring claw (9) passes through the through groove (22) and extends to the other side of the caliper (10), a first clamping jaw (11) is arranged on the surface of the first main ruler (1) close to the first sliding groove (2), and a second clamping jaw (12) is arranged on the surface of the first auxiliary ruler (3).

2. A large diameter measuring vernier caliper according to claim 1, wherein: a first limiting groove (13) is formed in the position, far away from the first sliding groove (2), of the side face of the first main scale (1), and a second limiting groove (14) is formed in the position, far away from the second sliding groove (6), of the side face of the second main scale (5).

3. A large diameter measuring vernier caliper according to claim 1, wherein: the surface of the measuring claw (9) is provided with a first positioning hole (15), and the surface of the connecting frame (8) is provided with a first positioning pin (16).

4. A large diameter measuring vernier caliper according to claim 1, wherein: the surface of the second main scale (5) is provided with a second positioning hole (17), and the surface of the first main scale (1) close to the inner groove (4) is provided with a second positioning pin (18).

5. A large diameter measuring vernier caliper according to claim 1, wherein: the side of the first auxiliary ruler (3) is provided with a first positioning bolt (19), and the side of the second auxiliary ruler (7) is provided with a second positioning bolt (20).

6. A large diameter measuring vernier caliper according to claim 5, wherein: and rubber pads (21) are arranged at the bottom ends of the first positioning bolt (19) and the second positioning bolt (20).