Multifunctional clamping and positioning jig for valve body detection

By designing a multifunctional clamping and positioning fixture, and adopting a snap-fit ​​clamping frame and an inflation system, the problems of chuck breakage and instability in valve body testing were solved, and the valve body was stably clamped and adaptable during the testing process.

CN224239341UActive Publication Date: 2026-05-15ANLOCK FLUID TECH (LANGFANG) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANLOCK FLUID TECH (LANGFANG) CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing tooling fixtures for valve body testing suffer from problems such as chuck breakage and valve body instability when fixing the valve body, making it difficult to adapt to the complex contours of the valve body and maintain testing stability.

Method used

A multifunctional clamping and positioning fixture was designed, which uses a snap-fit ​​fixed clamping frame and a sliding clamping frame, combined with a clamping spring and an inflation system, to achieve stable clamping of the valve body through the clamping slide and sealing curtain, ensuring the stability of the valve body during the testing process.

Benefits of technology

It achieves stable clamping of the valve body during the testing process, adapts to different valve body edge shapes, and ensures the stability and reliability of the testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224239341U_ABST
    Figure CN224239341U_ABST
Patent Text Reader

Abstract

The utility model discloses a multifunctional clamping and positioning jig for valve body detection, and relates to the technical field of valve body detection. Comprising a fixed bottom plate, a fixed clamping frame is fixedly connected to the top side of the fixed bottom plate, a sliding bottom plate is fixedly connected to one side of the fixed bottom plate, a sliding clamping frame is slidably connected to the top side of the sliding bottom plate, and the corresponding sides of the sliding clamping frame and the fixed clamping frame are connected in a clamped mode; clamping sliding openings are formed in the opposite inner walls of the fixed clamping frame and the sliding clamping frame correspondingly, and a clamping sliding rod is slidably connected between the inner walls of the clamping sliding openings. Through the arrangement of the fixed clamping frame and the sliding clamping frame which can be connected in a clamping mode, a valve body can be conveniently placed between the two clamping frames, the clamping blocks are pushed through the clamping springs to clamp the side edge of the valve body, the clamping blocks are pushed to be tightly attached to the side edge of the valve body by inflating the interior of the clamping sliding opening, the valve body clamping device is suitable for the edges of various valve bodies, and meanwhile the valve body clamping effect is greatly improved. And the stability of the valve body in the detection process is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of valve body testing technology, specifically a multifunctional clamping and positioning fixture for valve body testing. Background Technology

[0002] The valve body is a crucial component of a valve. To prevent media leakage, the valve body must possess sufficient sealing performance. Therefore, after the valve body is manufactured and formed, its sealing performance needs to be tested. During the testing process, a clamping and positioning fixture is required to fix the valve body in place for convenient testing. An existing tooling fixture for testing gearbox valve bodies (Publication No.: CN216657673U) exhibits at least the following defects during use:

[0003] In practical applications, positioning fixtures often feature a chuck that conforms to the valve's contour to secure the valve body to be inspected. However, valve bodies have complex contours and protrusions, and the chuck's conformity to the contour makes it difficult for the valve body to be inserted into the chuck, potentially causing it to break. On the other hand, using a chuck that is easier to insert can lead to instability of the valve body during inspection, affecting the inspection process. Therefore, a multi-functional clamping and positioning fixture for valve body inspection was developed. Utility Model Content

[0004] The main purpose of this utility model is to provide a multifunctional clamping and positioning fixture for valve body testing, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A multifunctional clamping and positioning fixture for valve body testing includes a fixed base plate, a fixed clamping frame fixedly connected to the top side of the fixed base plate, a sliding base plate fixedly connected to one side of the fixed base plate, and a sliding clamping frame slidably connected to the top side of the sliding base plate. The corresponding sides of the sliding clamping frame and the fixed clamping frame are interlocked. A set of clamping slots are respectively opened on the inner walls of the fixed clamping frame and the sliding clamping frame. The interiors of each set of clamping slots are interconnected. A clamping slide rod is slidably connected between the inner walls of each clamping slot. A clamping block is fixedly connected to one end of each clamping slide rod that extends out of the corresponding clamping frame.

[0007] Preferably, a clamping spring is fixedly connected to one end of each clamping slide bar facing the inside of the corresponding clamping slide opening, and each clamping spring is fixedly connected to the inside of the corresponding clamping slide opening. A sealing curtain is fixedly connected to the outer edge of each clamping slide bar, and each sealing curtain is fixedly connected to the corresponding side surface of the fixed clamping frame and the sliding clamping frame.

[0008] Preferably, a sealing tube is fixedly connected to both sides of the fixed clamping frame and the sliding clamping frame, each sealing tube is connected to the interior of the corresponding clamping sliding port, and an inflation tube is fixedly connected to the outer end of each sealing tube.

[0009] Preferably, one end of each of the two corresponding inflation tubes is fixedly connected to a collection frame, a connecting tube is provided between the two collection frames, and the two collection frames are connected through the connecting tube, with one end of one of the collection frames fixedly connected to an air source tube.

[0010] Preferably, each clamping block has a slot on its top side, and a traction plug is placed between the inner walls of each slot. The top sides of all the traction plugs corresponding to the same set of clamping slots are fixedly connected to a traction cover plate, and a traction handle is fixedly connected to one end of each traction cover plate.

[0011] Preferably, each of the traction cover plates has a slidably connected rotating slide frame on its outer edge, and each rotating slide frame is rotatably connected to the outer edge of the corresponding fixed clamping frame and sliding clamping frame. The outer edges of the fixed clamping frame and sliding clamping frame are fixedly connected to multiple flat extension platforms, and each flat extension platform is adapted to a rotating slide frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The design of the snap-fit ​​fixed clamp and sliding clamp makes it easy to place the valve body between the two clamps. The clamping spring pushes the clamping block to clamp the side edge of the valve body, and the air in the clamping slide pushes the clamping block and the side edge of the valve body to fit tightly. This design adapts to various valve body edges and ensures that the valve body remains stable during the testing process. Attached Figure Description

[0014] Figure 1 This is an isometric view of the present invention;

[0015] Figure 2 This is a schematic diagram of the framed movable structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the clamping device structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the inflatable positioning structure of this utility model.

[0018] In the diagram: 101, fixed clamping frame; 102, sliding clamping frame; 103, rotating sliding frame; 104, fixed base plate; 105, machining base plate; 106, sliding base plate; 107, sealing pipe; 108, clamping slide; 109, flat extension platform; 201, sealing curtain; 202, clamping block; 203, clamping slide rod; 204, clamping spring; 301, traction cover plate; 302, traction handle; 303, traction insert; 401, inflation pipe; 402, summarizing frame; 403, connecting pipe; 404, air source pipe. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-4 This utility model provides a technical solution:

[0023] A multifunctional clamping and positioning fixture for valve body testing includes a fixed base plate 104. A fixed clamping frame 101 is fixedly connected to the top side of the fixed base plate 104. A sliding base plate 106 is fixedly connected to one side of the fixed base plate 104. A sliding clamping frame 102 is slidably connected to the top side of the sliding base plate 106. The corresponding sides of the sliding clamping frame 102 and the fixed clamping frame 101 are interlocked. A set of clamping slots 108 are respectively opened on the inner walls of the fixed clamping frame 101 and the sliding clamping frame 102. The interiors of each set of clamping slots 108 are interconnected. A clamping slide rod 203 is slidably connected between the inner walls of each clamping slot 108. A clamping block 202 is fixedly connected to one end of each clamping slide rod 203 extending out of the corresponding clamping frame. In this embodiment, a processing base plate 105 is fixedly connected to the top side of the fixed base plate 104. The top side of the processing base plate 105 and the bottom side of the clamping block 202 are slidably connected for placing the valve body. Each clamping slide bar 203 has a clamping spring 204 fixedly connected to one end facing the inside of the corresponding clamping slide 108. Each clamping spring 204 is fixedly connected to the inside of the corresponding clamping slide 108. Each clamping slide bar 203 has a sealing curtain 201 fixedly connected to its outer edge. Each sealing curtain 201 is fixedly connected to the corresponding side surface of the fixed clamping frame 101 and the sliding clamping frame 102.

[0024] A sealing tube 107 is fixedly connected to both sides of the fixed clamping frame 101 and the sliding clamping frame 102. Each sealing tube 107 is connected to the interior of the corresponding clamping slide 108, and an inflation tube 401 is fixedly connected to the outer end of each sealing tube 107. One end of each pair of corresponding inflation tubes 401 is fixedly connected to a collection frame 402. A connecting tube 403 is provided between the two collection frames 402, and the two collection frames 402 are connected through the connecting tube 403. One end of one collection frame 402 is fixedly connected to an air source tube 404. In this embodiment, one end of the air source tube 404 is connected to the output end of an air pump and is used to inflate the clamping slide 108 with air. The air pressure prevents the clamping spring 204 from extending or contracting during the detection process, ensuring that the position of the valve body is determined.

[0025] Each clamping block 202 has a slot on its top side, and a traction plug 303 is placed between the inner walls of each slot. The top sides of all the traction plugs 303 corresponding to the same set of clamping slides 108 are fixedly connected to a traction cover plate 301. A traction handle 302 is fixedly connected to one end of each traction cover plate 301. A rotating slide frame 103 is slidably connected to the outer edge of each traction cover plate 301. Each rotating slide frame 103 is rotatably connected to the outer edge of the corresponding fixed clamping frame 101 and sliding clamping frame 102. Multiple flat extension platforms 109 are fixedly connected to the outer edges of the fixed clamping frame 101 and sliding clamping frame 102. Each flat extension platform 109 is adapted to a rotating slide frame 103. In this embodiment, before the valve body is placed into the clamping frame, the traction cover plate 301 is inserted into the clamping block 202 of the teammate, so that the staff can pull open the clamping block 202 and put in the valve body. After the valve body is put in, the rotating slide frame 103 is rotated to remove the traction cover plate 301, and the clamping block 202 and the valve body are made to fit together by the clamping spring 204.

[0026] It should be noted that this utility model is a multifunctional clamping and positioning fixture for valve body testing. In use, the valve body is conveniently placed between the two clamping frames through the snap-fit ​​fixed clamping frame 101 and sliding clamping frame 102. The clamping spring 204 pushes the clamping block 202 to clamp the side edge of the valve body. By inflating the clamping slide 108, the clamping block 202 and the side edge of the valve body are pushed to fit tightly. While adapting to various valve body edges, it ensures that the valve body remains stable during the testing process.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended embodiments and their equivalents.

Claims

1. A multifunctional clamping and positioning fixture for valve body testing, comprising a fixed base plate (104), characterized in that: A fixed clamping frame (101) is fixedly connected to the top side of the fixed base plate (104), and a sliding base plate (106) is fixedly connected to one side of the fixed base plate (104). A sliding clamping frame (102) is slidably connected to the top side of the sliding base plate (106). The corresponding sides of the sliding clamping frame (102) and the fixed clamping frame (101) are interlocked. A set of clamping slots (108) are respectively opened on the inner walls of the fixed clamping frame (101) and the sliding clamping frame (102). The interiors of each set of clamping slots (108) are interconnected. A clamping rod (203) is slidably connected between the inner walls of each clamping slot (108). A clamping block (202) is fixedly connected to one end of each clamping rod (203) that extends out of the corresponding clamping frame.

2. The multifunctional clamping and positioning fixture for valve body testing according to claim 1, characterized in that: Each clamping slide bar (203) has a clamping spring (204) fixedly connected to one end facing the inside of the corresponding clamping slide (108). Each clamping spring (204) is fixedly connected to the inside of the corresponding clamping slide (108). Each clamping slide bar (203) has a sealing curtain (201) fixedly connected to its outer edge. Each sealing curtain (201) is fixedly connected to the corresponding side surface of the fixed clamping frame (101) and the sliding clamping frame (102).

3. The multifunctional clamping and positioning fixture for valve body testing according to claim 1, characterized in that: Both sides of the fixed clamping frame (101) and the sliding clamping frame (102) are fixedly connected to a sealing tube (107). Each sealing tube (107) is connected to the interior of the corresponding clamping slide (108). The outer end of each sealing tube (107) is fixedly connected to an inflation tube (401).

4. The multifunctional clamping and positioning fixture for valve body testing according to claim 3, characterized in that: One end of each of the two corresponding air inflators (401) is fixedly connected to a collection box (402), and a connecting pipe (403) is provided between the two collection boxes (402), and the two collection boxes (402) are connected through the connecting pipe (403). One end of one of the collection boxes (402) is fixedly connected to an air source pipe (404).

5. A multifunctional clamping and positioning fixture for valve body testing according to claim 1, characterized in that: Each clamping block (202) has a slot on its top side, and a traction plug (303) is placed between the inner walls of each slot. All the traction plugs (303) corresponding to the same set of clamping slides (108) are fixedly connected to a traction cover plate (301) on their top sides. A traction handle (302) is fixedly connected to one end of each traction cover plate (301).

6. A multifunctional clamping and positioning fixture for valve body testing according to claim 5, characterized in that: Each of the traction cover plates (301) has a slidably connected rotating slide frame (103) on its outer edge. Each rotating slide frame (103) is rotatably connected to the outer edge of the corresponding fixed clamp frame (101) and sliding clamp frame (102). The outer edges of the fixed clamp frame (101) and sliding clamp frame (102) are fixedly connected to multiple flat extension platforms (109). Each flat extension platform (109) is adapted to a rotating slide frame (103).