CN215492409U

CN215492409U - Measuring device for inner hole conical surface angle

Info

Publication number: CN215492409U
Application number: CN202121831198.XU
Authority: CN
Inventors: 龚松伟; 王志增; 祖江陵; 刘庆松
Original assignee: Yituo Luoyang Hydraulic Transmission Co ltd
Current assignee: Yituo Luoyang Hydraulic Transmission Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-11
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a measuring device for an inner hole conical surface angle, which comprises a dial indicator and a base, wherein the upper part of the base is provided with a bracket, the bracket is provided with a sleeve capable of adjusting the angle, one end of the sleeve is provided with the dial indicator, the gauge head of the dial indicator is positioned in the sleeve, the other end of the sleeve is provided with a measuring mandrel capable of sliding along the axial direction of the sleeve, and the tail end of the measuring mandrel is contacted with the gauge head of the dial indicator; according to the utility model, the measuring mandrel is utilized to convert the size change of the bottom conical surface angle of the inner hole of different workpieces into the axial movement of the measuring mandrel, and the dial indicator head is driven to move, so that the dial indicator can indirectly measure the bottom conical surface angle of the inner hole of the workpiece.

Description

Measuring device for inner hole conical surface angle

Technical Field

The utility model relates to the technical field of part detection, in particular to a device for measuring an inner hole conical surface angle.

Background

Often require to realize sealed when work piece and fastener cooperation, the sealing method who uses at present is that the conical surface destroys sealedly, its principle is to let the conical surface of two different angles extrude and destroy and reach required sealed effect, therefore whether the hole conical surface accords with the leakproofness that the design requirement direct influence product, however because hole bottom conical surface is located inside the counter bore, it is greatly inconvenient to have brought for measurement personnel's observation and measurement, this is difficult to effectively guarantee with regard to the processingquality who leads to the work piece hole conical surface, in order to measure the hole conical surface, often need cut open the counter bore with line cutting equipment, not only waste time and energy, and also caused the damage to the sample structure, greatly increased the quality detection cost, consequently, the urgent need for one kind can carry out measuring device to work piece hole conical surface angle.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the background art, the utility model discloses a device for measuring the angle of an inner hole conical surface

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a measuring device of hole conical surface angle, includes amesdial and base, and base upper portion is equipped with the support, is equipped with the sleeve that can carry out angle modulation on the support, and telescopic one end is equipped with the amesdial, and the gauge outfit of amesdial is located the sleeve, and the telescopic other end is equipped with can follow the gliding measurement dabber of sleeve axial direction, and the tail end of measuring the dabber contacts with the gauge outfit of amesdial.

Furthermore, screw holes are formed in two ends of the wall of the sleeve, and fixing bolts used for fastening the dial indicator and the measuring core shaft are arranged in the screw holes.

Further, measure the dabber and constitute by body and graduated flask, the body is located the sleeve, and through fixing bolt and sleeve fastening connection, this internal graduated flask that is equipped with body sliding fit, the one end of graduated flask contacts with the gauge outfit of amesdial, and the other end of graduated flask is located the sleeve outside.

Furthermore, the upper part of the bracket is hinged with a clamping piece for clamping the sleeve through an adjusting bolt.

Furthermore, the clamping piece is provided with a clamping opening, and the clamping opening is provided with a fastening bolt.

Furthermore, the bottom of the support is provided with a cylindrical pin which is in plug-in fit with the base.

Compared with the prior art, the utility model has the beneficial effects that: the change of the angle of the inner hole conical surface of the workpiece can be converted into the axial movement of the measuring rod by using the measuring mandrel capable of axially sliding, and the angle is indirectly reflected by the deflection of a pointer of a dial indicator;

the clamping piece in hinged connection is utilized, so that not only can the clamping and fixing of the sleeve be realized, but also the angle of the sleeve can be adjusted according to actual needs, and therefore the measuring mandrel at the end part of the sleeve can accurately probe into the bottom conical surface of the inner hole of the workpiece to measure the angle;

the body and the measuring rod which are in sliding fit are utilized, the similar measuring rod can axially slide along with the angle difference of the inner hole conical surfaces of different workpieces, and the angle difference is indirectly displayed by utilizing a dial indicator;

the utility model can convert the size change of the inner hole bottom conical surface angle of different workpieces into the axial movement of the measuring mandrel by using the measuring mandrel, and drives the dial indicator head to move, thereby realizing the indirect measurement of the inner hole bottom conical surface angle of the workpiece by the dial indicator.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of a measuring mandrel according to the present invention.

In the figure: 1. a dial indicator; 2. a sleeve; 3. measuring the mandrel; 4. a clamping member; 5. a support; 6. a cylindrical pin; 7. a base; 8. adjusting the bolt; 9. fastening a bolt; 10. clamping the opening; 11. a gauge head; 12. a screw hole; 13. fixing the bolt; 14. a measuring rod; 15. a body.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings of the embodiments of the present invention, and it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present invention, and it is convenient to describe the present invention, but it is not necessary to indicate or imply that the indicated devices or elements have a specific orientation.

Referring to fig. 1-3, the present invention provides a technical solution:

in the first embodiment, please refer to fig. 1 and 3, a device for measuring an angle of a conical surface of an inner bore includes a dial indicator 1 and a base 7, a support 5 is disposed on an upper portion of the base 7, a sleeve 2 capable of adjusting an angle is disposed on the support 5, the dial indicator 1 is disposed at one end of the sleeve 2, a gauge head 11 of the dial indicator 1 is disposed in the sleeve 2, a measuring mandrel 3 capable of sliding along an axial direction of the sleeve 2 is disposed at the other end of the sleeve 2, specifically, the measuring mandrel 3 is composed of a body 15 and a gauge rod 14, the body 15 is disposed in the sleeve 2 and fastened to the sleeve 2 through a fixing bolt 13, a gauge rod 14 slidably engaged with the body 15 is disposed in the body 15, one end of the gauge rod 14 contacts with the gauge head 11 of the dial indicator 1, and the other end of the gauge rod 14 is disposed outside the sleeve 2.

In the second embodiment, referring to fig. 3, in order to realize the fixed connection between the dial indicator 1 and the measuring mandrel 3 and the sleeve 2, and enable the dial indicator 1 and the measuring mandrel 3 to be horizontally aligned, both ends of the cylinder wall of the sleeve 2 are provided with screw holes 12, and fixing bolts 13 for fastening the dial indicator 1 and the measuring mandrel 3 are arranged in the screw holes 12.

In the third embodiment, referring to fig. 2, in order to adjust the angle of the measuring mandrel 3 and enable the measuring mandrel 3 to more accurately penetrate into the inner hole of the workpiece to measure the conical surface, the upper part of the bracket 5 is hinged to a clamping piece 4 for clamping the sleeve 2 through an adjusting bolt 8, the clamping piece 4 is provided with a clamping opening 10, and the clamping opening 10 is provided with a fastening bolt 9 for adjusting the clamping tightness of the clamping piece 4.

In a fourth embodiment, referring to fig. 1, in order to ensure that the bracket 5 can be vertically fixed on the upper portion of the base 7, the bottom of the bracket 5 is provided with a cylindrical pin 6 which is inserted into and matched with the base 7, the bracket 5 and the base 7 can be ensured to be vertical to each other by using the cylindrical pin 6, and the bracket 5 is fixedly connected with the upper surface of the base 7 through a plurality of screws.

Before the measurement, the device for measuring the inner hole conical surface angle is implemented, firstly, a standard part with an angle of 59 degrees is used for calibrating a dial indicator 1 (the default is that the angle value corresponding to the zero scale mark position of the dial indicator is 59 degrees), a measuring rod 14 at the end part of a measuring mandrel 3 is inserted into the inner hole of the standard part, and the front end of the measuring rod 14 is contacted with the conical surface at the bottom of the standard component, the indication number of the dial indicator 1 is recorded and defaulted as a standard numerical value, then, after the dial indicator 1 is zeroed, the angle of the inner hole conical surface of the workpiece to be measured is measured, because the angle of the inner hole conical surface of each workpiece is different, the measuring rod 14 which can freely slide in the body 15 slides axially along with the inner hole conical surface, therefore, the change of the angle is converted into the axial movement of the measuring rod 14, and the size of the angle can be indirectly reflected by the deflection condition of the pointer of the dial indicator 1 at the zero scale mark position and by comparing with a standard numerical value.

The utility model is not described in detail in the prior art, and it is apparent to a person skilled in the art that the utility model is not limited to details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims concerned.

Claims

1. The utility model provides a measuring device of hole conical surface angle, includes amesdial (1) and base (7), its characterized in that: base (7) upper portion is equipped with support (5), is equipped with sleeve (2) that can carry out angle modulation on support (5), and the one end of sleeve (2) is equipped with amesdial (1), and gauge outfit (11) of amesdial (1) are located sleeve (2), and the other end of sleeve (2) is equipped with can follow sleeve (2) gliding measurement dabber (3) of axial direction, and the tail end of measuring dabber (3) contacts with gauge outfit (11) of amesdial (1).

2. The apparatus of claim 1, wherein the means for measuring the angle of the taper of the internal bore comprises: both ends of the cylinder wall of the sleeve (2) are provided with screw holes (12), and fixing bolts (13) used for fastening the dial indicator (1) and the measuring mandrel (3) are arranged in the screw holes (12).

3. The apparatus of claim 1, wherein the means for measuring the angle of the taper of the internal bore comprises: measure dabber (3) and constitute by body (15) and graduated rod (14), body (15) are located sleeve (2), and through fixing bolt (13) and sleeve (2) fastening connection, be equipped with in body (15) along body (15) axially sliding's graduated rod (14), the one end of graduated rod (14) contacts with gauge outfit (11) of amesdial (1), the other end of graduated rod (14) is visited body (15) and is located the sleeve (2) outside.

4. The apparatus of claim 1, wherein the means for measuring the angle of the taper of the internal bore comprises: the upper part of the bracket (5) is hinged with a clamping piece (4) used for clamping the sleeve (2) through an adjusting bolt (8).

5. The device of claim 4, wherein the means for measuring the angle of the taper of the internal bore comprises: the clamping piece (4) is provided with a clamping opening (10), and the clamping opening (10) is provided with a fastening bolt (9).

6. The apparatus of claim 1, wherein the means for measuring the angle of the taper of the internal bore comprises: the bottom of the bracket (5) is provided with a cylindrical pin (6) which is in plug-in fit with the base (7).