Multi-channel valve body airtightness detection mechanism

Abstract

The utility model relates to the technical field of airtightness detection, and discloses a multichannel valve airtightness detection mechanism, which comprises a main frame body, the upper end of the main frame body is fixedly provided with a gas distribution box, and the top of the gas distribution box is fixedly connected with a gas inlet interface; a plurality of branch pipes are arranged at the bottom of the gas distribution box, external gas source equipment is used for injecting gas into the gas distribution box through the gas inlet connector, then the gas flows into the multi-channel valve body through the branch pipes, the high-pressure-resistant hose and the flange head, and the pressure detection module and the pressure sensor on the gas distribution box work cooperatively; according to the multi-channel valve body airtightness detection device, rapid and accurate airtightness detection of a multi-channel valve body is achieved, the detection efficiency of the device is remarkably improved, time waste caused by traditional single-channel sequential detection is reduced, through accurate pressure monitoring, the accuracy of a detection result is improved, the detection quality is guaranteed, and the detection efficiency is improved. The whole valve body airtightness detection process is more efficient and reliable.

Description

Technical Field

[0001] The present application relates to the field of air tightness detection technology, and in particular to an air tightness detection mechanism for a multi-channel valve body. Background Art

[0002] In many industrial fields, valve bodies are key components for fluid transportation and control, and their quality and performance are of vital importance. Multi-channel valve bodies are particularly widely used in industries such as petrochemicals, natural gas transportation, aerospace, and pharmaceuticals, and the air tightness of the valve body is one of the key factors to ensure its normal operation. If there are airtight defects in the valve body, it may cause fluid leakage, leading to safety accidents such as fire, explosion, and environmental pollution. It will also cause energy waste and reduce production efficiency. Therefore, accurate and efficient airtightness testing of channel valve bodies is an important part of ensuring the safety and smooth progress of industrial production.

[0003] At present, the traditional valve body air tightness detection method is to perform single-channel detection on each channel of the valve body in sequence. This frequent manual operation is not only prone to human errors, but the complexity of the operation further reduces the efficiency of the detection and is very inconvenient to use. Therefore, we urgently need to provide a multi-channel valve body air tightness detection mechanism.

[0004] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0005] In order to solve the problem that each channel of the valve body is tested in sequence through single channels, such frequent manual operation is not only prone to introduce human errors, but the complexity of the operation further reduces the efficiency of the test and is very inconvenient to use, the present application provides a multi-channel valve body air tightness detection mechanism.

[0006] The multi-channel valve body air tightness detection mechanism provided in this application adopts the following technical solution:

[0007] A multi-channel valve body air tightness detection mechanism, including a main frame, a gas distribution box is fixedly installed on the upper end of the main frame, the top of the gas distribution box is fixedly connected to an air inlet interface, the bottom of the gas distribution box is evenly fixedly connected to a plurality of branch pipes, the surfaces of the plurality of branch pipes are installed with flow regulating valves, a pressure sensor is fixedly connected to the middle of the front surface of the gas distribution box, the bottoms of the plurality of branch pipes are fixedly connected to a high-pressure resistant hose, the bottom of the high-pressure resistant hose is fixedly connected to a quick-release connector, the other end of the quick-release connector is connected to a flange head, and a pressure detection module is installed on the end of the high-pressure resistant hose close to the quick-release connector, the upper end side of the main frame is fixedly connected to a PLC controller and a data acquisition display, the pressure detection module and the pressure sensor are electrically connected to the data acquisition display, and the plurality of flow regulating valves are respectively connected to the PLC controller with wires.

[0008] Preferably, a screw thread is fixedly provided at one end of the bottom of the quick connector, and the quick connector is threadedly connected to the inner side of the flange head through the screw thread.

[0009] Preferably, a plurality of fixing blocks are evenly fixedly connected to the upper surface of the main frame, and the inner sides of the plurality of fixing blocks are all threadedly connected with adjusting screws.

[0010] Preferably, the outer sides of the plurality of adjusting screws are fixedly connected to a handwheel, and the sides of the plurality of adjusting screws away from the handwheel are installed with a splint.

[0011] Preferably, the upper ends of the plurality of clamping plates correspond to the bottoms of the plurality of high-pressure hoses.

[0012] In summary, this application has the following beneficial technical effects:

[0013] The utility model provides a plurality of branch pipes at the bottom of the gas distribution box, utilizes external gas source equipment to inject gas into the gas distribution box through the air inlet interface, and the gas then flows into the multi-channel valve body through the branch pipes, high-pressure resistant hoses and flange heads. The pressure detection module and the pressure sensor on the gas distribution box work together to achieve rapid and accurate airtightness detection of the multi-channel valve body, significantly enhancing the detection efficiency of the device, reducing the time waste caused by traditional single-channel sequential detection, and through precise pressure monitoring, improving the accuracy of the detection results, ensuring the detection quality, and making the entire valve body airtightness detection process more efficient and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall front view structure of the embodiment of the application;

[0015] Figure 2 This is a schematic diagram of the upper structure of the main frame of the embodiment of the application;

[0016] Figure 3 This is a schematic diagram of the disassembled structure of the high-pressure hose connector according to an embodiment of the application;

[0017] Figure 4 It is a side view structural diagram of an embodiment of the application.

[0018] Explanation of the accompanying symbols: 1. Main frame; 2. Gas distribution box; 3. Air inlet interface; 4. Pressure sensor; 5. Branch pipe; 6. Flow control valve; 7. High-pressure hose; 8. Pressure detection module; 9. Quick connector; 10. Screw mouth; 11. Flange head; 12. PLC controller; 13. Data acquisition display; 14. Fixing block; 15. Adjusting screw; 16. Handwheel; 17. Clamp. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 This application is described in further detail.

[0020] The present application discloses a multi-channel valve body airtightness detection mechanism, referring to Figure 1-Figure 4, including a main frame 1, a gas distribution box 2 is fixedly installed on the upper end of the main frame 1, the top of the gas distribution box 2 is fixedly connected to the air inlet interface 3, the bottom of the gas distribution box 2 is evenly fixedly connected with a plurality of branch pipes 5, the surfaces of the plurality of branch pipes 5 are installed with flow regulating valves 6, a pressure sensor 4 is fixedly connected to the middle of the front surface of the gas distribution box 2, the bottoms of the plurality of branch pipes 5 are fixedly connected with a high-pressure hose 7, the bottom of the high-pressure hose 7 is fixedly connected with a quick-release connector 9, the other end of the quick-release connector 9 is connected with a flange head 11, and a pressure detection module 8 is installed on the end of the high-pressure hose 7 close to the quick-release connector 9. The upper end side of the main frame 1 is fixedly connected with a PLC controller 12 and a data acquisition display 13, the pressure detection module 8 and the pressure sensor 4 are electrically connected to the data acquisition display 13, the pressure detection module 8 is responsible for detecting the pressure in each channel of the valve body, and the pressure sensor 4 is used to monitor the pressure in the gas distribution box 2. When a pressure change is detected, they will convert the pressure signal into an electrical signal and These electrical signals are transmitted to a data acquisition display 13 via wires. Multiple branch pipes 5 are provided at the bottom of the gas distribution box 2. Gas is injected into the gas distribution box 2 via the gas inlet port 3 using an external gas source. The gas then flows into the multi-channel valve body through the branch pipes 5, the high-pressure hose 7, and the flange head 11. The pressure detection module 8 and the pressure sensor 4 on the gas distribution box 2 work together to achieve rapid and accurate airtightness testing of the multi-channel valve body. This significantly enhances the device's testing efficiency and reduces the time wasted by traditional single-channel sequential testing. Precise pressure monitoring improves the accuracy of test results, ensures testing quality, and makes the entire valve body airtightness testing process more efficient and reliable. Multiple flow control valves 6 are each wired to a PLC controller 12. The PLC controller 12 serves as the core control unit and is connected to the multiple flow control valves 6 via wires. During the valve body airtightness testing process, the PLC controller 12 sends control signals to each flow control valve 6 according to preset programs and parameters. These signals determine the opening of the flow control valve 6, thereby precisely controlling the gas flow entering each channel from the gas distribution box 2.

[0021] Reference Figure 3-Figure 4, one end of the bottom of the quick-release connector is fixed with a screw thread 10, and the quick-release connector 9 is threadedly connected to the inner side of the flange head 11 through the screw thread 10. When the operator is assembling or disassembling the equipment, the quick-release connector 9 can be quickly connected and separated from the flange head 11, so that different connectors can be easily replaced. The upper surface of the main frame 1 is evenly fixed with multiple fixing blocks 14, and the inner sides of the multiple fixing blocks 14 are threadedly connected with adjusting screws 15. The outer sides of the multiple adjusting screws 15 are fixedly connected with hand wheels 16, and the sides of the multiple adjusting screws 15 away from the hand wheels 16 are installed with splints 17. The upper ends of the multiple splints 17 correspond to the bottoms of the multiple high-pressure hoses 7. By turning the hand wheel 16 to adjust the position of the splint 17, the valve body can be clamped and fixed from multiple directions.

[0022] The implementation principle of the multi-channel valve body air tightness detection mechanism of the embodiment of the present application is as follows: when in use, first place the multi-channel valve body to be tested on the main frame 1, turn the adjusting screw 15 by the hand wheel 16 on the adjusting screw 15, so that the clamping plate 17 fixes the valve body, and then adapt the flange head 11 at the bottom of the high-pressure hose 7 to the flange of the valve body to ensure a tight connection. The gas enters the gas distribution box 2 from the air inlet interface 3, the pressure sensor 4 monitors the total gas pressure in the gas distribution box 2, and the PLC controller 12 controls the opening of each flow regulating valve 6 according to the preset parameters, so that the gas passes through the branch pipe evenly. 5. The high-pressure hose 7 and the flange head 11 enter the various channels of the valve body. While the gas is being injected, the pressure detection module 8 monitors the pressure changes in each channel in real time and transmits the data to the data acquisition display 13. At the same time, the pressure sensor 4 on the gas distribution box 2 also transmits the total gas pressure data to the data acquisition display 13. The data acquisition display 13 processes and analyzes the data. After the detection is completed, the PLC controller 12 controls the flow regulating valve 6 to close the gas supply. Then the flange head 11 can be separated from the flange of the valve body, the clamping plate 17 can be loosened, and the valve body can be removed to complete a detection process.

[0023] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0024] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0025] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0026] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A multi-channel valve body air tightness detection mechanism, comprising a main frame (1), characterized in that: A gas distribution box (2) is fixedly installed on the upper end of the main frame (1), the top of the gas distribution box (2) is fixedly connected to an air inlet interface (3), the bottom of the gas distribution box (2) is evenly fixedly connected to a plurality of branch pipes (5), the surfaces of the plurality of branch pipes (5) are all installed with flow regulating valves (6), a pressure sensor (4) is fixedly connected to the middle of the front surface of the gas distribution box (2), the bottoms of the plurality of branch pipes (5) are all fixedly connected to a high-pressure hose (7), and the bottom of the high-pressure hose (7) is fixedly connected A quick-release connector (9) is provided, the other end of the quick-release connector (9) is connected to a flange head (11), one end of the high-pressure resistant hose (7) close to the quick-release connector (9) is installed with a pressure detection module (8), the upper end side of the main frame (1) is fixedly connected to a PLC controller (12) and a data acquisition display (13), the pressure detection module (8) and the pressure sensor (4) are electrically connected to the data acquisition display (13), and the plurality of flow control valves (6) are respectively connected to the PLC controller (12) by wires.

2. A multi-channel valve body airtightness detection mechanism according to claim 1, characterized in that: A screw thread (10) is fixedly provided at one end of the bottom of the quick connector, and the quick connector (9) is threadedly connected to the inner side of the flange head (11) through the screw thread (10).

3. The multi-channel valve body airtightness detection mechanism according to claim 1, characterized in that: A plurality of fixing blocks (14) are evenly fixedly connected to the upper surface of the main frame (1), and an adjusting screw (15) is threadedly connected to the inner sides of the plurality of fixing blocks (14).

4. A multi-channel valve body air tightness detection mechanism according to claim 3, characterized in that: The outer sides of the plurality of adjusting screws (15) are all fixedly connected with a hand wheel (16), and the sides of the plurality of adjusting screws (15) away from the hand wheel (16) are all installed with a clamping plate (17).

5. The multi-channel valve body airtightness detection mechanism according to claim 4, characterized in that: The upper ends of the plurality of clamping plates (17) correspond to the bottoms of the plurality of high-pressure hoses (7).

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