Comprehensive testing fixture for air valve

Abstract

The utility model belongs to the technical field of air valve detection, and particularly relates to an air valve comprehensive detection tool which comprises a bottom support and a base fixedly connected to the upper side of the bottom support, a first pressing strip is fixedly connected to one side of the upper side of the base through a second screw, and a positioning pin is installed on the first pressing strip. The other side of the upper side of the base is fixedly connected with a second pressing strip through an inner hexagon screw, three pressing blocks are fixedly connected to the upper side of the base and located between the first pressing strip and the second pressing strip through studs and nuts, one end of each pressing block abuts against the second pressing strip, and the side faces, close to each other, of the pressing blocks and the first pressing strip are all inclined faces. The upper ends of the two slopes incline towards the direction close to each other, a set of steel balls are installed between the two pressing blocks and the first pressing strip, the number of each set of steel balls is two, and a partition plate is installed on the upper side of the base and located between the two sets of steel balls through first screws. The tool can be applied to detection of related characteristics of various types of valves, and is simple to manufacture and high in cost performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve detection, and specifically relates to a comprehensive valve detection tool. Background Art

[0002] Due to the particularity of the structure of automotive parts, special inspection fixtures are widely used in quality control. The runout detection of the disc outer circle, disc end face, stem end face, cone surface, and rod requires the use of special inspection fixtures. A large number of inspection tools are required. Therefore, a detection tool that can detect more types of valve-related characteristics can effectively improve and support the quality control process. For this reason, we propose a comprehensive valve inspection fixture. Utility Model Content

[0003] The purpose of this utility model is to provide a comprehensive valve inspection tool, which is suitable for the inspection of various types of valve-related characteristics, and the tooling is simple to manufacture and has a high cost-effectiveness.

[0004] The technical solutions adopted in this utility are as follows:

[0005] A valve integrated inspection tool, comprising a bottom bracket and a base fixedly connected to the upper side of the bottom bracket, one side of the upper side of the base is fixedly connected to a first pressure strip by a second screw, a positioning pin is installed on the first pressure strip, the other side of the upper side of the base is fixedly connected to a second pressure strip by a hexagon socket screw, three pressure blocks are fixedly connected to the upper side of the base and located between the first pressure strip and the second pressure strip by stud bolts and nuts, one end of the pressure block abuts against the second pressure strip, the sides of the pressure block and the first pressure strip that are close to each other are both inclined surfaces, and the upper ends of the two inclined surfaces are inclined in the direction of approaching each other;

[0006] A group of steel balls is installed between the two pressing blocks and the first pressing strip, and each group of steel balls has two steel balls. A partition is installed on the upper side of the base and between the two groups of steel balls through a first screw;

[0007] Four steel balls are installed between the other pressing block and the first pressing strip, positioning tips are installed on the upper sides of the four steel balls, and a pressing plate located on the upper side of the positioning tips is fixedly connected to the second pressing strip.

[0008] Furthermore, the inclination angle of the inclined surface is 65°.

[0009] Furthermore, the bottom bracket includes a bottom plate, the upper side of the bottom plate is fixedly connected to the bracket body via a first bolt, and the upper side of the bracket body is fixedly connected to the base via a second bolt.

[0010] Furthermore, the upper side of the bracket body is inclined, and the inclination angle is 15°.

[0011] Furthermore, the bracket body is welded to the upper side of the bottom plate, and the base is welded to the upper side of the bracket body.

[0012] Furthermore, the base, the first pressure strip, the second pressure strip, the pressure block and the steel ball are all made of carbon structural steel with a grade of Q235 or 45.

[0013] The technical effects achieved by this utility model are:

[0014] The practical valve comprehensive inspection tool can be used to adjust and fix the valve support through the first pressure strip, the second pressure strip, the pressure block and the steel ball, so as to measure the relevant characteristics of the valve through the rotating valve and the contact probe, and realize the runout detection of the valve disk outer circle, disk end face, rod part (including roundness), disk cone surface and rod end face. Valves of different specifications can be inspected, and it is suitable for the detection of relevant characteristics of many types of valves. The tooling is simple to manufacture and the cost performance is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural side view of the utility model;

[0016] Figure 2 It is a top view of the structure of the utility model;

[0017] Figure 3 This is a practical Figure 2 Sectional view at the middle BB.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Locating pin; 2. First screw; 3. Partition; 4. Bottom plate; 5. First bolt; 6. Bracket body; 7. Second bolt; 8. Locating top; 9. First pressure strip; 10. Second screw; 11. Steel ball; 12. Pressure plate; 13. Pressure block; 14. Stud bolt; 15. Nut; 16. Second pressure strip; 17. Base; 18. Hexagon socket screw. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0021] like Figure 1-3As shown, a valve integrated inspection fixture comprises a bottom bracket and a base 17 fixedly connected to the upper side of the bottom bracket, one side of the upper side of the base 17 is fixedly connected to the first pressure strip 9 by a second screw 10, a positioning pin 1 is installed on the first pressure strip 9, the other side of the upper side of the base 17 is fixedly connected to the second pressure strip 16 by a hexagon socket screw 18, three pressing blocks 13 are fixedly connected to the upper side of the base 17 and located between the first pressure strip 9 and the second pressure strip 16 by stud bolts 14 and nuts 15, one end of the pressing block 13 is against the second pressure strip 16, and the sides of the pressing block 13 and the first pressure strip 9 that are close to each other are both inclined surfaces, and the upper ends of the two inclined surfaces are inclined in the direction of approaching each other, and the inclination angle is preferably 65°, that is, the angle between the inclined surface and the base 17 is 65°;

[0022] A group of steel balls 11 are installed between the two pressing blocks 13 and the first pressure strip 9, and each group of steel balls 11 has two steel balls. A partition plate 3 is installed on the upper side of the base 17 and between the two groups of steel balls 11 through a first screw 2.

[0023] Four steel balls 11 are installed between another pressure block 13 and the first pressure strip 9 , and a positioning top 8 is installed on the upper side of the four steel balls 11 to press them. A pressure plate 12 located on the upper side of the positioning top 8 is fixedly connected to the second pressure strip 16 to press the positioning top 8 .

[0024] The bottom bracket includes a bottom plate 4, the upper side of the bottom plate 4 is fixedly connected to a bracket body 6 via a first bolt 5, and the upper side of the bracket body 6 is fixedly connected to a base 17 via a second bolt 7;

[0025] In order to ensure the stability of the connection, the bracket body 6 can be welded to the upper side of the bottom plate 4 , and the base 17 can be welded to the upper side of the bracket body 6 .

[0026] At the same time, the upper side of the bracket body 6 is inclined at an angle of 15°, that is, the angle between the upper side of the bracket body 6 and the horizontal plane is 15°.

[0027] The base 17, the first pressure strip 9, the second pressure strip 16, the pressure block 13, and the steel ball 11 are all made of carbon structural steel with a grade of Q235 or 45, wherein Q235 is a common carbon structural steel with a tensile strength of 235 MPa, and 45 represents carbon structural steel with a tensile strength of 45 MPa.

[0028] The working principle of the utility model is as follows: by assembling the first pressure strip 9, the second pressure strip 16, the pressure block 13 and the steel ball 11 on the upper side of the base 17, the valve support can be adjusted and fixed, so as to measure the valve-related characteristic requirements by rotating the valve and the contact probe, and realize the runout detection of the valve disk outer circle, disk end face, rod roundness, disk cone surface and rod end face. Valves of different specifications can be detected, and it is suitable for the detection of related characteristics of many types of valves, and the tooling is simple to manufacture and has high cost performance.

[0029] A detection platform is built by the bottom plate 4, the first pressure strip 9, the pressure block 13 and the second pressure strip 16 to provide a better detection and observation position.

[0030] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A comprehensive valve inspection fixture, characterized in that: The invention comprises a bottom bracket and a base (17) fixedly connected to the upper side of the bottom bracket, one side of the upper side of the base (17) is fixedly connected to a first pressure strip (9) by a second screw (10), a positioning pin (1) is installed on the first pressure strip (9), the other side of the upper side of the base (17) is fixedly connected to a second pressure strip (16) by a hexagon socket screw (18), three pressure blocks (13) are fixedly connected to the upper side of the base (17) and located between the first pressure strip (9) and the second pressure strip (16) by stud bolts (14) and nuts (15), one end of the pressure block (13) is against the second pressure strip (16), and the sides of the pressure block (13) and the first pressure strip (9) that are close to each other are both inclined surfaces, and the upper ends of the two inclined surfaces are inclined in the direction of approaching each other; A group of steel balls (11) is installed between the two pressing blocks (13) and the first pressure strip (9), and each group of steel balls (11) has two steel balls. A partition plate (3) is installed on the upper side of the base (17) and between the two groups of steel balls (11) via a first screw (2); Four steel balls (11) are installed between the other pressure block (13) and the first pressure strip (9), a positioning top (8) is installed on the upper side of the four steel balls (11), and a pressure plate (12) located on the upper side of the positioning top (8) is fixedly connected to the second pressure strip (16).

2. A valve comprehensive inspection fixture according to claim 1, characterized in that: The inclination angle of the inclined surface is 65°.

3. The valve comprehensive inspection fixture according to claim 1, characterized in that: The bottom bracket comprises a bottom plate (4), the upper side of the bottom plate (4) is fixedly connected to a bracket body (6) via a first bolt (5), and the upper side of the bracket body (6) is fixedly connected to a base (17) via a second bolt (7).

4. A valve comprehensive inspection fixture according to claim 3, characterized in that: The upper side of the bracket body (6) is arranged in an inclined manner, and the inclination angle is 15°.

5. The valve comprehensive inspection fixture according to claim 3, characterized in that: The bracket body (6) is welded to the upper side of the bottom plate (4), and the base (17) is welded to the upper side of the bracket body (6).

6. The valve comprehensive inspection fixture according to claim 1, characterized in that: The base (17), the first pressure strip (9), the second pressure strip (16), the pressure block (13) and the steel ball (11) are all made of carbon structural steel with a grade of Q235 or 45.

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