Air tightness detection device for processing gas self-closing valve
By designing a gas self-closing valve detection device including a hydraulic rod, a top pressure device, a transmission plate and an airflow detection plate, the problem of inconvenient detection of air tightness of gas self-closing valves in the prior art is solved, and a fast and accurate detection effect is achieved.
Patent Information
- Application Number
- CN202421409784.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In the prior art, gas self-closing valves need to perform airtightness detection on their valve body during the production process, but there is a lack of a simple and fast detection device.
An airtightness detection device for processing gas self-closing valves is designed, including a workbench, a conveyor belt, a top frame, a hydraulic rod, a top pressure device, a transmission plate, an airflow detection plate and a reset device. The hydraulic rod drives the positioning rod to fall and enter the valve body, seal the outlet with a sealing ring, and then judge the sealing property by the airflow sensor on the airflow detection plate.
It realizes rapid and accurate judgment of the airtightness detection of gas self-closing valve body, simplifies the detection process and improves the detection efficiency.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas self-closing valves, in particular to an air tightness detection device for processing gas self-closing valves. Background Art
[0002] A gas self-closing valve is a valve used to control the gas channel. Its main function is to automatically shut off the gas supply in the event of an accident to prevent fire or explosion. A gas self-closing valve is usually installed on a gas pipeline. When a gas leak or abnormal pressure is detected, the valve will automatically close to ensure the safety of the user and the environment. This valve is usually composed of a sensor, a controller and an actuator, and can automatically monitor and control the flow of gas. It is widely used in households and industrial fields and is an important safety device.
[0003] In the prior art, the gas self-closing valve needs to be tested for air tightness during the manufacturing process to ensure the sealing of the valve body. Based on this requirement, we proposed an air tightness testing device for gas self-closing valve processing. Utility Model Content
[0004] The utility model aims to provide a gas tightness detection device for processing a gas self-closing valve, so as to solve the problems existing in the prior art proposed by the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] The invention discloses an air tightness detection device for processing a gas self-closing valve, comprising a workbench, a conveyor belt is arranged above the workbench, a top frame is arranged above the workbench, a hydraulic rod is fixedly connected to the lower end of the top frame, a top pressure device is fixedly connected to the lower end of the hydraulic rod, a transmission plate is arranged below the hydraulic rod, an airflow detection plate is fixedly connected to the lower end of the transmission plate, and a reset device is fixedly connected to the upper end of the transmission plate.
[0007] Preferably, an airflow sensor is provided on the side wall of the airflow detection plate.
[0008] Preferably, the top pressure device includes a device seat fixedly connected to the lower end of the hydraulic rod, a positioning rod is fixedly connected to the lower end of the device seat, an air pump is arranged in the device seat, the output end of the air pump is located at the lower end of the positioning rod, and a sealing ring is arranged at the junction of the device seat and the positioning rod.
[0009] Preferably, the reset device includes two device rods fixedly connected to the upper end of the transmission plate, and the upper ends of the two device rods are each provided with a slide groove, and the lower ends of the top frame at the corresponding positions are fixedly connected with two slide rods, and the lower ends of the two slide rods are respectively located in the two slide grooves, and are elastically connected to the inner bottom of the corresponding slide groove through a spring.
[0010] Preferably, a slot is provided through the transmission plate, the slot abuts against a side wall of the device seat, and the positioning rod and the sealing ring pass through the slot.
[0011] Preferably, the position of the airflow detection plate corresponds to the position of the self-closing valve to be detected.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In the utility model, a top pressure device and a reset device are arranged to cooperate with each other, and a corresponding positioning rod is driven to fall and enter the interior of the valve body by a hydraulic rod, and the outlet is sealed by a corresponding sealing ring. Then, at the outlet on the other side, the airflow sensor on the airflow detection plate can be used to intuitively judge whether the sealing is satisfactory, which is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the gas tightness detection device for gas self-closing valve processing proposed by the utility model;
[0015] Figure 2 It is a cross-sectional view of a device rod of the gas tightness detection device for processing a gas self-closing valve proposed by the utility model;
[0016] Figure 3 The utility model is a partial cross-sectional view of a transmission plate of the gas tightness detection device for processing a gas self-closing valve.
[0017] In the figure: 1 workbench, 2 conveyor belt, 3 airflow detection plate, 4 transmission plate, 5 installation rod, 6 slide rod, 7 top frame, 8 hydraulic rod, 9 installation seat, 10 sealing ring, 11 positioning rod, 12 spring, 13 slot. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] Reference Figure 1-3The gas tightness detection device for processing gas self-closing valves includes a workbench 1, a conveyor belt 2 is arranged above the workbench 1, a top frame 7 is arranged above the workbench 1, a hydraulic rod 8 is fixedly connected to the lower end of the top frame 7, a top pressure device is fixedly connected to the lower end of the hydraulic rod 8, the top pressure device includes a device seat 9 fixedly connected to the lower end of the hydraulic rod 8, a positioning rod 11 is fixedly connected to the lower end of the device seat 9, an air pump is arranged in the device seat 9, the output end of the air pump is located at the lower end of the positioning rod 11, and a sealing ring 10 is arranged at the junction of the device seat 9 and the positioning rod 11.
[0020] Specifically, a transmission plate 4 is provided below the hydraulic rod 8, and an airflow detection plate 3 is fixedly connected to the lower end of the transmission plate 4, and an airflow sensor is provided on the side wall of the airflow detection plate 3. There can be two airflow detection plates 3, which are respectively provided on both sides of the transmission plate 4, depending on the specific situation. A reset device is fixedly connected to the upper end of the transmission plate 4, and the reset device includes two device rods 5 fixedly connected to the upper end of the transmission plate 4, and slide grooves are penetrated at the upper ends of the two device rods 5. Two sliding rods 6 are fixedly connected to the lower end of the top frame 7 at the corresponding position, and the lower ends of the two sliding rods 6 are respectively located in the two slide grooves, and are elastically connected to the inner bottom of the corresponding slide grooves through springs 12.
[0021] Specifically, a slot 13 is provided through the transmission plate 4, the slot 13 abuts against the side wall of the device seat 9, the positioning rod 11 and the sealing ring 10 pass through the slot 13, and the position of the airflow detection plate 3 corresponds to the position of the self-closing valve to be detected.
[0022] In the utility model, the conveyor belt 2 conveys the self-closing valve to be inspected to the bottom of the positioning rod 11, and the corresponding hydraulic rod 8 can drive the device seat 9 and the positioning rod 11 below to fall. The positioning rod 11 enters the interior of the valve body, and the sealing ring 10 seals the corresponding opening. Then, the gas is input into the interior of the valve body through the existing air pump arranged in the device seat 9. At this time, the transmission plate 4 will bring the air flow detection plate 3 on one side to determine whether there is gas overflow on the other two sides of the valve body. After the detection is completed, the hydraulic rod 8 brings the positioning rod 11 to reset. After losing the pressure on the card slot 13 on the transmission plate 4, the transmission plate 4 will also be reset under the pull of the springs 12 on both sides, which is convenient for the next detection.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A gas tightness detection device for processing a gas self-closing valve, comprising a workbench (1), characterized in that: A conveyor belt (2) is arranged above the workbench (1), a top frame (7) is arranged above the workbench (1), a hydraulic rod (8) is fixedly connected to the lower end of the top frame (7), a top pressure device is fixedly connected to the lower end of the hydraulic rod (8), a transmission plate (4) is arranged below the hydraulic rod (8), an airflow detection plate (3) is fixedly connected to the lower end of the transmission plate (4), and a reset device is fixedly connected to the upper end of the transmission plate (4).
2. The gas tightness detection device for processing a gas self-closing valve according to claim 1, characterized in that: An airflow sensor is arranged on the side wall of the airflow detection plate (3).
3. The gas tightness detection device for processing a gas self-closing valve according to claim 1, characterized in that: The jacking device comprises a device seat (9) fixedly connected to the lower end of the hydraulic rod (8); a positioning rod (11) is fixedly connected to the lower end of the device seat (9); an air pump is arranged inside the device seat (9); the output end of the air pump is located at the lower end of the positioning rod (11); and a sealing ring (10) is arranged at the junction of the device seat (9) and the positioning rod (11).
4. The gas tightness detection device for processing a gas self-closing valve according to claim 1, characterized in that: The reset device comprises two device rods (5) fixedly connected to the upper end of the transmission plate (4), and a slide groove is provided at the upper ends of the two device rods (5). Two slide rods (6) are fixedly connected to the lower end of the top frame (7) at the corresponding position, and the lower ends of the two slide rods (6) are respectively located in two slide grooves and are elastically connected to the inner bottom of the corresponding slide groove through a spring (12).
5. The gas tightness detection device for gas self-closing valve processing according to claim 3 is characterized in that: The transmission plate (4) is provided with a slot (13) penetrating therethrough. The slot (13) abuts against the side wall of the device seat (9). The positioning rod (11) and the sealing ring (10) penetrate the slot (13).
6. The gas tightness detection device for gas self-closing valve processing according to claim 1 is characterized in that: The position of the airflow detection plate (3) corresponds to the position of the self-closing valve to be detected.