CN219390804U

CN219390804U - Measuring tool for measuring depth of central hole

Info

Publication number: CN219390804U
Application number: CN202223564597.1U
Authority: CN
Inventors: 陈文光
Original assignee: Tianjin Hbs Electromechanical Equipment Co ltd
Current assignee: Tianjin Hbs Electromechanical Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-21
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a measuring tool for measuring the depth of a central hole, which comprises a measuring ruler, wherein the outer surface of the measuring ruler is slidably connected with a sliding ruler, the outer surface of the measuring ruler is provided with a second graduated scale, the outer surface of the sliding ruler is provided with a first graduated scale, the right surface of the measuring ruler is fixedly connected with a supporting rod, the side surface of the measuring ruler is provided with an opening, the inner surface of the opening is provided with a sliding groove, the inner surface of the sliding groove is slidably connected with a rotating shaft, the outer surface of the rotating shaft is rotatably connected with a rotating plate, the outer surface of the rotating plate is fixedly connected with a supporting rod, the right surface of the sliding ruler is provided with an inclined angle, a measured piece is internally provided with a round hole. Above-mentioned structure, through the measurement of the round hole that designs the inclination and then be convenient for measure and have inclination to through the rotor, avoid the dipperstick to appear inclining.

Description

Measuring tool for measuring depth of central hole

Technical Field

The utility model relates to the technical field of measuring tools, in particular to a measuring tool for measuring the depth of a central hole.

Background

In modern processing technology, all processing of shaft parts takes a central hole as a reference, so that the accuracy of the depth dimension of the central hole directly influences the processing accuracy of the shaft parts, and the accuracy requirements on mechanical parts are gradually increased along with continuous development of technology. The conventional measuring means is to use a vernier caliper to detect the depth dimension of a central hole at the shaft end by matching with a steel ball, and the measuring is a translational push type measuring method, namely, the depth capable of penetrating into the central hole is represented by a measurement of horizontal displacement, but the problem that the measurement of an inclined hole is inconvenient due to a measuring ruler moving up and down and a non-rotatable sleeve is caused. After searching, the technical scheme provided by the utility model with the application number of CN201120180027.5 is found to have the same problems.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a measuring tool for measuring the depth of a central hole, which is convenient for measuring a round hole with an inclined angle by designing an inclined angle, and avoids the inclination of a measuring ruler by rotating a sheet.

To achieve the above object, the present utility model further provides a gauge for measuring a depth of a center hole, comprising:

the outer surface of the measuring ruler is slidably connected with a sliding ruler, a second graduated scale is arranged on the outer surface of the measuring ruler, a first graduated scale is arranged on the outer surface of the sliding ruler, and a supporting rod is fixedly connected with the right surface of the measuring ruler;

the side surface of the measuring ruler is provided with an opening, the inner surface of the opening is provided with a chute, the inner surface of the chute is connected with a rotating shaft in a sliding manner, the outer surface of the rotating shaft is connected with a rotating piece in a rotating manner, the outer surface of the rotating piece is fixedly connected with a supporting rod, and the right surface of the sliding ruler is provided with an inclined angle;

the measuring device comprises a measured piece, wherein a round hole is formed in the measured piece.

According to the measuring tool for measuring the depth of the central hole, the side surface of the sliding ruler is provided with a through hole, and the first measuring ruler is positioned at the edge of the through hole and is used for facilitating reading.

According to the measuring tool for measuring the depth of the central hole, the left end of the measuring ruler extends to the outer side of the sliding ruler, and the number of the supporting rods is multiple and distributed annularly.

According to the measuring tool for measuring the depth of the central hole, the right end of the supporting rod is a starting point of the second graduated scale and is used for facilitating measurement.

According to the measuring tool for measuring the depth of the central hole, the left end of the supporting rod extends to the outer side of the measured piece, and the sliding groove is eccentrically arranged and used for adjusting the distance between the measuring scales for the purpose of the rotating sheet.

According to the measuring tool for measuring the depth of the central hole, the rotating piece is circular, and shaking of the device is avoided.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a front view of a gauge for measuring the depth of a center hole according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;

FIG. 3 is a schematic view showing the internal structure of a gauge for measuring the depth of a center hole according to the present utility model;

FIG. 4 is a schematic view of a portion of a gauge for measuring the depth of a center hole according to the present utility model.

Legend description:

1. a measuring ruler; 2. a support rod; 3. a measured member; 4. a sliding ruler; 5. a through hole; 6. a first scale; 7. a second scale; 8. a support rod; 9. a rotating piece; 10. a round hole; 11. an opening; 12. a chute; 13. a rotating shaft; 14. inclination angle.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the measuring tool for measuring the depth of a central hole according to the embodiment of the utility model comprises a measuring scale 1, the left end of the measuring scale 1 extends to the outer side of a sliding scale 4, a plurality of struts 2 are distributed annularly, the outer surface of the measuring scale 1 is slidably connected with the sliding scale 4, a through hole 5 is formed in the side surface of the sliding scale 4 and used for viewing two graduated scales, a first graduated scale 6 is positioned at the edge of the through hole 5 and used for facilitating reading, a second graduated scale 7 is arranged on the outer surface of the measuring scale 1, a first graduated scale 6 is arranged on the outer surface of the sliding scale 4, a strut 2 is fixedly connected to the right surface of the measuring scale 1, and the right end of the strut 2 is a starting point of the second graduated scale 7 and used for facilitating measurement.

The side surface of dipperstick 1 is provided with opening 11, the internal surface of opening 11 is provided with spout 12, the internal surface sliding connection of spout 12 has pivot 13, the surface rotation of pivot 13 is connected with rotor 9, rotor 9 is circular, avoid the device to appear rocking, the surface fixedly connected with bracing piece 8 of rotor 9, the left end of bracing piece 8 extends to the outside of measured piece 3, spout 12 eccentric settings for adjust the distance between the 9 usage dippersticks 1 of rotor, the right surface of slide rule 4 is provided with inclination angle 14, be used for when the slope, the scale can directly paste at the side surface of measured piece 3.

The measured piece 3, the inside of the measured piece 3 is provided with a round hole 10.

Working principle: the measuring rule 1 is placed in the round hole 10 of the measured piece 3, the measuring is prevented from being influenced by impurities in the hole through the supporting rod 2, the sliding rule 4 is moved, the right end of the sliding rule is contacted with the side surface of the measured piece 3, the measuring rule 1 is rotated, the position of the supporting rod 8 is limited, the distance between the rotating plate 9 and the measuring rule 1 can be adjusted, and the inclination of the measuring rule 1 is prevented.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A gauge for measuring a depth of a central bore, comprising:

the measuring scale comprises a measuring scale (1), wherein the outer surface of the measuring scale (1) is connected with a sliding scale (4) in a sliding manner, a second graduated scale (7) is arranged on the outer surface of the measuring scale (1), a first graduated scale (6) is arranged on the outer surface of the sliding scale (4), and a supporting rod (2) is fixedly connected with the right surface of the measuring scale (1);

the measuring ruler is characterized in that an opening (11) is formed in the side surface of the measuring ruler (1), a sliding groove (12) is formed in the inner surface of the opening (11), a rotating shaft (13) is connected to the inner surface of the sliding groove (12) in a sliding mode, a rotating piece (9) is connected to the outer surface of the rotating shaft (13) in a rotating mode, a supporting rod (8) is fixedly connected to the outer surface of the rotating piece (9), and an inclination angle (14) is formed in the right surface of the sliding ruler (4);

the measuring device comprises a measured piece (3), wherein a round hole (10) is formed in the measured piece (3).

2. A gauge for measuring the depth of a central hole according to claim 1, characterized in that the side surface of the sliding ruler (4) is provided with a through hole (5), the first scale (6) being at the edge of the through hole (5).

3. A gauge for measuring the depth of a central hole according to claim 1, characterized in that the left end of the measuring ruler (1) extends to the outer side of the sliding ruler (4), and the number of the supporting rods (2) is multiple and distributed annularly.

4. A gauge for measuring the depth of a central hole according to claim 1, characterized in that the right end of the strut (2) is the starting point of the second scale (7).

5. A gauge for measuring the depth of a central hole according to claim 1, characterized in that the left end of the support rod (8) extends to the outside of the measured piece (3), and the chute (12) is arranged eccentrically.

6. A gauge for measuring the depth of a central hole according to claim 1, characterized in that the rotor (9) is circular.