CN210346514U

CN210346514U - Vernier caliper

Info

Publication number: CN210346514U
Application number: CN201920952091.7U
Authority: CN
Inventors: 朱桐清
Original assignee: Chongqing Jiangjin Hefeng Machinery Co ltd
Current assignee: Chongqing Jiangjin Hefeng Machinery Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-17
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a vernier caliper, including blade, vernier scale, fastening screw, still include: the first measuring part is connected to one end of the bottom of the ruler body; a second measuring part connected to the bottom of the vernier and capable of sliding in the axial direction of the scale part; the calibration part is arranged on the ruler body and is positioned between the first measuring part and the vernier. The utility model discloses a vernier caliper measures excircle measuring tool can accurately detect addendum circle and excircle diameter, and conventional detection method is easy operation not only, dependable performance, light in weight, detection precision height relatively, and the result is directly perceived, and a measuring tool can replace many micrometers to measure the excircle moreover, and measuring cost and manufacturing cost have low price's advantage.

Description

Vernier caliper

Technical Field

The utility model relates to the field of machinary, specifically, relate to a slide caliper.

Background

The diameter size is measured on the excircle of a common part, and the part with high precision requirement is usually measured by a micrometer. The measurement of parts with different sizes needs to be carried out by a micrometer within the range of 25 millimeters. However, the conventional method has the problems of complex method, more types of used tools and poor precision, so a measuring tool needs to be designed to overcome the defects.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vernier caliper can accurately detect addendum circle and excircle diameter, and conventional detection method is easy operation not only, dependable performance, light in weight, detection precision height relatively, and the result is directly perceived, and a measuring tool can replace many microcallipers to measure the excircle moreover, and measuring cost and manufacturing cost have low price's advantage.

The utility model discloses a concrete scheme as follows:

a vernier caliper comprises a caliper body, a vernier and a fastening screw, and further comprises:

the first measuring part is connected to one end of the bottom of the ruler body;

a second measuring part connected to the bottom of the vernier and capable of sliding in the axial direction of the scale part;

the calibration part is arranged on the ruler body and is positioned between the first measuring part and the vernier.

Further, the first measuring part comprises a first pressing plate movably connected with the ruler body, and a first measuring plate is movably connected to one side face, close to the second measuring part, of the first pressing plate.

Furthermore, a balance block is arranged on one side surface of the first pressing plate, which is far away from the second measuring part.

Further, the bottom of the first measuring plate is movably connected with a first measuring head.

Further, the second measuring part comprises a second pressing plate movably connected with the bottom of the vernier, and a second measuring plate is movably connected to one side face, close to the first measuring part, of the second pressing plate.

Further, the second measuring plate and the first measuring plate are both configured in an "L" shape.

Further, the bottom of the second measuring plate is movably connected with a second measuring head.

Further, the calibration part comprises a base, and a single groove is formed in the top of the base and used for penetrating through the ruler body.

Further, the base terminal surface sets up double key groove, double key groove is inside to set up the slider.

Furthermore, the slider is provided with a through hole for inserting the dial indicator.

Has the advantages that:

the utility model discloses a vernier caliper measures excircle measuring tool can accurately detect addendum circle and excircle diameter, and conventional detection method is easy operation not only, dependable performance, light in weight, detection precision height relatively, and the result is directly perceived, and a measuring tool can replace many micrometers to measure the excircle moreover, and measuring cost and manufacturing cost have low price's advantage.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is an operation diagram of the present invention.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.

As shown in fig. 1, the utility model provides a vernier caliper, including blade 1, vernier scale 2, fastening screw 3, still include:

connect in the first measuring part of 1 bottom one end of blade, first measuring part includes the first clamp plate 18 with 1 swing joint of blade, the side swing joint that first clamp plate 18 is close to the second measuring part has first measuring plate 7, a side that first clamp plate 18 kept away from the second measuring part sets up balancing piece 9, the bottom swing joint of first measuring plate 7 has first measuring head 8, first measuring plate 7 realizes being connected with first clamp plate 18 through M6 hexagon socket head cap screw 5, first measuring head 8 realizes fixedly through nut 6 and first measuring plate 7, balancing piece 9 is connected as an organic whole through M6 hexagon socket head cap screw and first clamp plate 18, first measuring head 8 is two steel ball measuring heads.

As a further improvement, the utility model discloses still including connecting in 2 bottoms of vernier scale, can be for the gliding second measurement portion of axial direction of chi portion 1, the second measurement portion includes the second clamp plate 14 with 2 bottom swing joint of vernier scale, the side swing joint that second clamp plate 14 is close to first measurement portion has the second to measure board 15, the bottom swing joint of board 15 is measured to the second has second measuring head 17, it has the square groove to open on the second clamp plate 14, the portable jack catch of vernier scale 2 is inlayed in the square groove, the connection of second clamp plate 14 with vernier scale 2 has been realized, the second is measured board 15 and is realized being connected with second clamp plate 14 through hexagonal bolt 13 in the M6. The second measuring head 17 is a single steel ball measuring head.

As a further modification, for convenience of measurement, both the second measurement plate 15 and the first measurement plate 7 are configured in an "L" shape.

As a further improvement, the utility model discloses still including setting up the calibration portion on blade 1, the calibration portion is located between first measuring part and the vernier scale 2, and the calibration portion includes base 12, and the top of base 12 sets up the single groove for pass blade 1, and be connected as an organic wholely through thumb screw and blade 1. The terminal surface of base 12 sets up double key groove, the inside slider 11 that sets up rather than the adaptation of double key groove for slider 11 can slide for double key groove, and slider 11 sets up the through-hole for insert amesdial 4, amesdial 4 pass through screw 10 accomplish with slider 11 fixed, and adjust the high position of amesdial 4 on the excircle of the part of being surveyed.

The chord length between the double-steel-ball measuring head on the first pressing plate 18 and the single-steel-ball measuring head on the second pressing plate 14 and the dial indicator 4 are compared with the diameter of the part or the excircle of the standard sample rod, so that the aim of measuring the chord height of the part with the outer diameter is achieved, and then the diameter of the part to be measured is determined through a calculation program.

The utility model discloses an embodiment as follows:

1. after the measuring tool is placed on a standard calibration rod with the size close to that of the measured part or calibrated, the dial indicator is calibrated to be 0, then the measuring tool is placed on the measured part, and the difference value displayed on the dial indicator is the chord height difference of the two parts;

2. the measurement is performed as shown in fig. 3, and after the measurement is completed, the measured value is input into a program, the program is an excle table compiled for calculation, and the calculation method is common knowledge in the art and is not described herein again.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a vernier caliper, includes blade, vernier scale, fastening screw, its characterized in that: further comprising:

a second measuring part connected to the bottom of the vernier and capable of sliding relative to the axial direction of the ruler part;

2. A vernier caliper as claimed in claim 1, wherein: the first measuring part comprises a first pressing plate movably connected with the ruler body, and a first measuring plate is movably connected to one side face, close to the second measuring part, of the first pressing plate.

3. A vernier caliper as claimed in claim 2, wherein: and a balance block is arranged on one side surface of the first pressing plate, which is far away from the second measuring part.

4. A vernier caliper as claimed in claim 2, wherein: the bottom of the first measuring plate is movably connected with a first measuring head.

5. A vernier caliper as claimed in claim 2, wherein: the second measuring part comprises a second pressing plate movably connected with the bottom of the vernier, and a second measuring plate is movably connected to one side face, close to the first measuring part, of the second pressing plate.

6. A vernier calliper as claimed in claim 5, wherein: the second measuring plate and the first measuring plate are both constructed in an L shape.

7. A vernier calliper as claimed in claim 6, wherein: and the bottom of the second measuring plate is movably connected with a second measuring head.

8. A vernier caliper as claimed in claim 1, wherein: the calibration part comprises a base, and a single groove is formed in the top of the base and used for penetrating through the ruler body.

9. A vernier caliper as claimed in claim 8, wherein: the base terminal surface sets up double key groove, double key inslot portion sets up the slider.

10. A vernier caliper as claimed in claim 9, wherein: the slider is provided with a through hole for inserting the dial indicator.