Multifunctional fuel gas control valve performance detection clamp

By designing a multifunctional gas control valve performance testing fixture, and utilizing a base plate, positioning plate, and cylinder structure, a simple, safe, and reliable testing method for various performance indicators of gas control valves is achieved, solving the problems of complex clamping, high cost, and low efficiency in existing testing methods.

CN224239374UActive Publication Date: 2026-05-15ZHEJIANG TONGLI FLUID CONTROL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG TONGLI FLUID CONTROL CO LTD
Filing Date
2025-06-18
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing testing methods for gas control valves suffer from problems such as complex clamping, high testing costs, and low production efficiency.

Method used

A multifunctional gas control valve performance testing fixture was designed, comprising a base plate, a positioning plate, a large air cylinder, and a small air cylinder. It enables the simultaneous testing of multiple performance indicators through an inlet connector, an outlet connector, and a flexible terminal block.

Benefits of technology

It enables simple, safe, and reliable testing of various performance indicators of gas control valves, thereby improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224239374U_ABST
Patent Text Reader

Abstract

The utility model provides a multifunctional fuel gas control valve performance detection fixture, which relates to the technical field of detection fixtures and comprises a bottom plate, a positioning plate, a large cylinder seat plate and a small cylinder seat plate are mounted on the bottom plate, a left stop block and a right stop block are arranged on two sides of the positioning plate, a large cylinder is arranged on the large cylinder seat plate, and a small cylinder is arranged on the small cylinder seat plate. The output end of the large air cylinder is in threaded connection with a large air cylinder connecting shaft, a supporting plate and a push plate are arranged on the large air cylinder connecting shaft, and symmetrical guide supporting shafts are arranged on the two sides of the supporting plate and the two sides of the push plate. A positioning plate, a large air cylinder and a small air cylinder are arranged on a bottom plate, an air inlet connector is arranged on a piston rod of the small air cylinder, a push plate and a supporting plate are arranged on a connecting shaft of the large air cylinder, a connector base plate is arranged at the front end of a guide supporting shaft, and an elastic binding post is arranged on the connector base plate. The performance indexes of the gas control valve can be detected at a time, operation is convenient, safety and reliability are achieved, and production efficiency is high.
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Description

Technical Field

[0001] This utility model relates to the field of testing fixture technology, and in particular to a multifunctional gas control valve performance testing fixture. Background Technology

[0002] Currently, most gas control valves on the market are tested using a single-channel testing method for various performance indicators. When testing the electrical performance of each product, a power connector must be plugged into the coil first, and then unplugged after the test. When testing the gas flow rate, a plastic hose connected to the flow meter must be plugged into the gas control valve's outlet connector, and then unplugged after the test.

[0003] However, the existing single-channel inspection method often suffers from drawbacks such as complex clamping, high inspection costs, and low production efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing single-channel testing methods, which often suffer from complex clamping, high testing costs, and low production efficiency. Therefore, this invention proposes a multifunctional gas control valve performance testing fixture.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a multifunctional gas control valve performance testing fixture, comprising a base plate, a positioning plate, a large cylinder seat plate, and a small cylinder seat plate mounted on the base plate; a left stop block and a right stop block are provided on both sides of the positioning plate; a large cylinder is mounted on the large cylinder seat plate; a large cylinder connecting shaft is threadedly connected to the output end of the large cylinder; a support plate and a push plate are provided on the large cylinder connecting shaft; symmetrical guide support shafts are provided on both sides of the support plate and the push plate; a connector seat plate is provided at the front end of the guide support shaft; an elastic terminal block is provided on the connector seat plate; multiple air outlet screw holes are provided at the bottom of the support plate; an air outlet positioning shaft is threadedly connected to the air outlet screw holes; a sealing gasket B is provided at the front end of the air outlet positioning shaft; a small cylinder is mounted on the small cylinder seat plate; an air inlet connector is threadedly connected to the output end of the small cylinder; an air inlet screw hole is provided at the upper part of the air inlet connector; a sealing gasket A is provided at the front end of the air inlet connector.

[0006] Preferably, the tray has an air outlet channel inside, and the air outlet screw hole on the tray is connected to the air outlet channel, and the air outlet screw hole is located at the outer end of the air outlet channel.

[0007] Preferably, the base plate is further provided with a surrounding plate, a coil pad, and a dead baffle.

[0008] Preferably, the push plate is provided with a first hexagonal nut, and the support plate is provided with a second hexagonal nut.

[0009] Preferably, the connector base plate is provided with an internal hexagon screw, which is connected to one end of the guide support shaft.

[0010] Preferably, the tray has multiple positioning screw holes.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] In this utility model, a positioning plate, a large air cylinder, and a small air cylinder are mounted on the base plate. An air inlet connector is mounted on the piston rod of the small air cylinder. A push plate and a support plate are provided on the connecting shaft of the large air cylinder. A connector seat plate is provided at the front end of the guide support shaft. An elastic terminal block is mounted on the connector seat plate. All performance indicators of a gas control valve can be tested at once. The operation is convenient, safe, reliable, and has high production efficiency. Attached Figure Description

[0013] Figure 1 A schematic diagram of the overall structure of a multifunctional gas control valve performance testing fixture is provided for this utility model.

[0014] Figure 2 This utility model Figure 1 A bottom view;

[0015] Figure 3 This utility model Figure 2 The left view;

[0016] Figure 4 This is an overall structural view of the tray of this utility model;

[0017] Figure 5 This utility model Figure 4 AA section view;

[0018] Figure 6 This is a cross-sectional view of the positioning plate of this utility model;

[0019] Figure 7 This utility model Figure 6 The left view.

[0020] Legend: 1. Base plate; 2. Connector seat plate; 3. Positioning plate; 4. Left stop block; 5. Guide support shaft; 6. Support plate; 7. Push plate; 8. Enclosure plate; 9. Large air cylinder seat plate; 10. Large air cylinder; 11. Large air cylinder connecting shaft; 12. First hexagonal nut; 13. Second hexagonal nut; 14. Air outlet positioning shaft; 15. Flexible terminal block; 16. Right stop block; 17. Air inlet connector; 18. Small air cylinder; 19. Small air cylinder seat plate; 20. Coil pad; 21. Hex socket screw; 22. Air inlet screw hole; 23. Sealing gasket A; 24. Dead baffle; 25. Sealing gasket B; 26. Positioning screw hole; 27. Air outlet channel; 28. Air outlet screw hole. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-7As shown, this utility model provides a technical solution: a multifunctional gas control valve performance testing fixture, including a base plate 1, on which a positioning plate 3, a large cylinder seat plate 9, and a small cylinder seat plate 19 are mounted. A left stop block 4 and a right stop block 16 are provided on both sides of the positioning plate 3. A large cylinder 10 is mounted on the large cylinder seat plate 9. A large cylinder connecting shaft 11 is threadedly connected to the output end of the large cylinder 10. A support plate 6 and a push plate 7 are provided on the large cylinder connecting shaft 11. Symmetrical guide support shafts 5 are provided on both sides of the support plate 6 and the push plate 7. A connector seat plate 2 is provided at the front end of the guide support shaft 5. A flexible terminal block 15 is provided on the connector seat plate 2. Multiple outlet screw holes 28 are provided at the bottom of the support plate 6. An outlet positioning shaft 14 is threadedly connected to the outlet screw holes 28. The front end of the outlet positioning shaft 14... The end is provided with a sealing gasket 25. A small cylinder 18 is installed on the small cylinder seat plate 19. The output end of the small cylinder 18 is threadedly connected to an air inlet connector 17. An air inlet screw hole 22 is provided on the upper part of the air inlet connector 17. A sealing gasket 23 is provided at the front end of the air inlet connector 17. An air outlet channel 27 is opened inside the support plate 6. An air outlet screw hole 28 on the support plate 6 is connected to the air outlet channel 27. The air outlet screw hole 28 is located at the outer end of the air outlet channel 27. A surrounding plate 8, a coil pad 20 and a dead baffle 24 are also provided on the bottom plate 1. A first hexagonal nut 12 is provided on the push plate 7. A second hexagonal nut 13 is provided on the support plate 6. An internal hexagonal screw 21 is provided on the connector seat plate 2. The internal hexagonal screw 21 is connected to one end of the guide support shaft 5. Multiple positioning screw holes 26 are opened on the support plate 6.

[0024] In this embodiment, the air inlet pipe connector of the test bench is screwed to the air inlet screw hole 22 on the positioning plate 3, and the flow meter pipe connector of the test bench is screwed to the air outlet screw hole 28 on the support plate 6. The workpiece is placed on the positioning plate 3. First, the small cylinder 18 is opened, and the air inlet connector 17 moves forward to press against the air inlet connector of the gas control valve. Then, the large cylinder 10 is opened, and the push plate 7, support plate 6, and connector seat plate 2 move forward with the piston rod of the large cylinder 10 to the dead baffle 24 for axial positioning. At this time, the elastic terminal 15 mounted on the connector seat plate 2 contacts the terminal on the solenoid coil of the gas control valve, and the four air outlet positioning shafts 14 mounted on the support plate 6 respectively press against the gas outlet. The gas control valve has four gas outlets. After turning on the gas inlet switch and the coil energizing switch, the working gas enters the inner cavity of the gas control valve, and the electromagnetic coil performance test and product flow test can be performed. The structure is simple. The base plate 1 is equipped with a positioning plate 3, a large air cylinder 10 and a small air cylinder 18. The piston rod of the small air cylinder 18 is equipped with an air inlet connector 17. The connecting shaft of the large air cylinder 10 is equipped with a push plate 7 and a support plate 6. The front end of the guide support shaft 5 is equipped with a connector seat plate 2. The connector seat plate 2 is equipped with a flexible terminal block 15. The performance indicators of four gas control valves can be tested at the same time. The operation is convenient, safe and reliable, and the production efficiency is high.

[0025] The working principle of this embodiment is as follows: During use, the air inlet pipe connector of the test bench is screwed into the air inlet screw hole 22 on the positioning plate 3, and the flow meter pipe connector of the test bench is screwed into the air outlet screw hole 28 on the support plate 6. The workpiece is placed on the positioning plate 3. First, the small cylinder 18 is opened, and the air inlet connector 17 moves forward to block the air inlet connector of the gas control valve. Then, the large cylinder 10 is opened, and the push plate 7, the support plate 6, and the connector seat plate 2 move forward with the piston rod of the large cylinder 10 to the dead baffle 24 for axial positioning. At this time, the elastic terminal 15 mounted on the connector seat plate 2 contacts the terminal on the electromagnetic coil of the gas control valve. The four air outlet positioning shafts 14 mounted on the support plate 6 block the four air outlets on the gas control valve respectively. Then, the air inlet switch and the coil energizing switch are turned on, and the working gas enters the inner cavity of the gas control valve, so as to perform electromagnetic coil performance testing and product flow testing.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A multifunctional gas control valve performance testing fixture, comprising a base plate (1), characterized in that: The base plate (1) is equipped with a positioning plate (3), a large cylinder seat plate (9), and a small cylinder seat plate (19). The positioning plate (3) is provided with a left stop block (4) and a right stop block (16) on both sides. The large cylinder (10) is provided on the large cylinder seat plate (9). The output end of the large cylinder (10) is threaded with a large cylinder connecting shaft (11). The large cylinder connecting shaft (11) is provided with a support plate (6) and a push plate (7). The support plate (6) and the push plate (7) are provided with symmetrical guide support shafts (5) on both sides. The front end of the guide support shaft (5) is provided with a connector seat plate (2). The connector base plate (2) is provided with an elastic terminal (15), the bottom of the support plate (6) is provided with a plurality of air outlet screw holes (28), the air outlet screw holes (28) are threadedly connected to an air outlet positioning shaft (14), the front end of the air outlet positioning shaft (14) is provided with a sealing gasket B (25), the small cylinder base plate (19) is installed with a small cylinder (18), the output end of the small cylinder (18) is threadedly connected to an air inlet connector (17), the upper part of the air inlet connector (17) is provided with an air inlet screw hole (22), the front end of the air inlet connector (17) is provided with a sealing gasket A (23).

2. The multifunctional gas control valve performance testing fixture according to claim 1, characterized in that: The tray (6) has an air outlet channel (27) inside. The air outlet screw hole (28) on the tray (6) is connected to the air outlet channel (27). The air outlet screw hole (28) is located at the outer end of the air outlet channel (27).

3. The multifunctional gas control valve performance testing fixture according to claim 1, characterized in that: The base plate (1) is also provided with a surrounding plate (8), a coil pad plate (20) and a dead baffle plate (24).

4. The multifunctional gas control valve performance testing fixture according to claim 1, characterized in that: The push plate (7) is provided with a first hexagonal nut (12), and the support plate (6) is provided with a second hexagonal nut (13).

5. The multifunctional gas control valve performance testing fixture according to claim 1, characterized in that: The connector base plate (2) is provided with an internal hexagon screw (21), which is connected to one end of the guide support shaft (5).

6. The multifunctional gas control valve performance testing fixture according to claim 1, characterized in that: The tray (6) has multiple positioning screw holes (26).