Sealing performance detection device for valve production

Abstract

The utility model provides a sealing performance detection device for valve production, which belongs to the technical field of valve detection equipment and comprises a detection workbench, a pressure supply device is arranged on the lower portion of the detection workbench and communicated with a lower air inlet nozzle structure arranged on the detection workbench, and the lower air inlet nozzle structure is arranged on the detection workbench. An upper air inlet nozzle structure corresponding to the lower air inlet nozzle structure is further movably arranged above the detection workbench, a driving mechanism used for driving the upper air inlet nozzle structure to move is correspondingly arranged on the detection workbench, and in addition, a detection assembly is further installed on the driving mechanism. After the upper air inlet nozzle structure is adjusted to seal the two ends of the valve in cooperation with the driving mechanism, the pressure supply equipment box lower air inlet nozzle structure applies pressure, then the detection assembly detects the air tightness of the valve, and therefore the procedure that the valve needs to be dried when water is used for detection is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of valve detection equipment, in particular to a sealing detection device for valve production. Background Art

[0002] As a vital component in the fluid control system, the valve is used to change the passage cross-section and the flow direction of the medium. It has functions such as diversion and cutoff. Its sealing performance is directly related to the safety, efficiency and reliability of the system. In the production and processing of closed valves, it is necessary to conduct air tightness testing on the finished products. The existing sealing testing mostly adopts liquid pressure supply. After the test, another process is required to dry it to avoid surface corrosion. The operation process is relatively complicated. Therefore, a sealing testing device for valve production is proposed to solve this problem. Utility Model Content

[0003] In view of this, the utility model provides a sealing detection device for valve production, which can cooperate with the driving mechanism to mobilize the upper air inlet nozzle structure to seal the two ends of the valve respectively, and then apply pressure to the lower air inlet nozzle structure of the pressure supply equipment box, and then the air tightness of the valve is detected by the detection component, thereby avoiding the process of drying the valve when using water for detection.

[0004] In order to solve the above-mentioned technical problems, the utility model provides a sealing detection device for valve production, including a detection workbench, a pressure supply device is provided at the lower part of the detection workbench, the pressure supply device is connected to the lower air inlet nozzle structure arranged on the detection workbench, and an upper air inlet nozzle structure is also provided above the detection workbench corresponding to the movement of the lower air inlet nozzle structure, and a driving mechanism for driving the movement of the upper air inlet nozzle structure is provided on the corresponding detection workbench, and a detection component is also installed on the driving mechanism.

[0005] The lower air inlet nozzle structure includes a first rubber pad and a lower air inlet nozzle body, wherein the first rubber pad is arranged on the upper surface of the detection workbench, the lower air inlet nozzle body passes through the first rubber pad and the upper surface of the detection workbench in sequence and is fixedly connected to the upper surface of the detection workbench, and a connecting pipeline is provided between the pressure supply equipment and the lower air inlet nozzle body.

[0006] The driving mechanism includes a mounting frame arranged on the base surface of the detection workbench, a group of telescopic push rod assemblies are symmetrically arranged on the upper part of the mounting frame, a mounting plate is fixedly connected to the lower part of the telescopic push rod assembly, a plurality of raised sliders are arranged at both ends of the mounting plate, and a corresponding mounting frame is provided with a slide groove corresponding to the raised slider.

[0007] The upper air inlet nozzle structure comprises a second rubber pad and an upper air inlet nozzle body, wherein the second rubber pad is fixedly arranged on the lower base surface of the mounting plate.

[0008] The detection component comprises a container tank which is arranged on the mounting plate and is connected with the upper air inlet nozzle body, and a pressure sensor is arranged on the container tank.

[0009] The pressure sensor is a pressure sensor with digital display.

[0010] The beneficial effects of the above technical solution of the utility model are as follows:

[0011] 1. After cooperating with the driving mechanism to mobilize the upper air inlet nozzle structure to seal the two ends of the valve respectively, the lower air inlet nozzle structure of the pressure supply equipment box is pressurized, and then the air tightness of the valve is tested by the detection component, thereby avoiding the process of drying the valve when testing with water.

[0012] 2. That is, when conducting the test, the lower port of the valve is placed corresponding to the lower air inlet nozzle body, and the telescopic push rod assembly arranged on the mounting frame pushes the mounting plate downward, and the upper port corresponds to the upper air inlet nozzle body and is pressed tightly to avoid pressure leakage during the pressurization test. Furthermore, the pressure supply equipment supplies pressure to the lower air inlet nozzle body through the connecting pipeline. At this time, the lower part of the valve is pressurized. If the valve has pressure relief, the upper air inlet nozzle body connected to the upper part of the valve will transmit the leaked pressure to the container tank. At this time, the pressure sensor will feedback the pressure value at this time, and then the operator will judge whether the valve sealing is within the production range.

[0013] 3. The pressure sensor is a sensor with digital display, which can more directly show whether the sealing of the valve meets the production standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a sealing detection device for valve production according to the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of the utility model from another perspective;

[0016] Figure 3 It is an enlarged view of the detection component structure of the utility model.

[0017] Explanation of the accompanying drawings: 1. Detection workbench; 2. Pressure supply equipment; 21. Connecting pipeline; 3. Lower air inlet nozzle structure; 31. First rubber pad; 32. Lower air inlet nozzle body; 4. Upper air inlet nozzle structure; 41. Second rubber pad; 42. Upper air inlet nozzle body; 5. Driving mechanism; 51. Mounting frame; 511. Slide groove; 52. Telescopic push rod assembly; 53. Mounting plate; 531. Raised slider; 6. Detection assembly; 61. Container tank; 62. Pressure sensor. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0019] like Figure 1-3 As shown:

[0020] The present embodiment provides a sealing detection device for valve production, including a detection workbench 1. A pressure supply device 2 is provided at the lower part of the detection workbench 1. The pressure supply device 2 is connected to a lower air inlet nozzle structure 3 arranged on the detection workbench 1. An upper air inlet nozzle structure 4 is also movably provided above the detection workbench 1 corresponding to the lower air inlet nozzle structure 3. Correspondingly, a driving mechanism 5 for driving the upper air inlet nozzle structure 4 to move is provided on the detection workbench 1. In addition, a detection component 6 is also installed on the driving mechanism 5.

[0021] When in use, the lower port of the valve is placed corresponding to the lower air inlet nozzle body 32, and the telescopic push rod assembly 52 arranged on the mounting frame 51 pushes the mounting plate 53 downward, and the upper port corresponds to the upper air inlet nozzle body 42 and is tightened to avoid pressure leakage during the pressurization test. Furthermore, the pressure supply device 2 supplies pressure to the lower air inlet nozzle body 32 through the connecting pipe 21. At this time, the lower part of the valve is pressurized. If the valve has pressure relief, the upper air inlet nozzle body 42 connected to the upper part of the valve will transmit the leaked pressure to the container tank 61. At this time, the pressure sensor 62 will feedback the pressure value at this time, and then the operator can judge whether the valve sealing is within the production range.

[0022] like Figure 1 As shown, the lower air inlet nozzle structure 3 includes a first rubber pad 31 and a lower air inlet nozzle body 32, wherein the first rubber pad 31 is arranged on the upper plate surface of the detection workbench 1, and the lower air inlet nozzle body 32 passes through the first rubber pad 31 and the upper plate surface of the detection workbench 1 in sequence and is fixedly connected to the upper plate surface of the detection workbench 1, and the corresponding first rubber pad 31 should be provided with a mounting hole matching the lower air inlet nozzle body 32. After the lower air inlet nozzle is installed and fixed to the detection workbench 1, it is tightly fitted with the first rubber pad 31 in a compressed state, and a connecting pipeline 21 is provided between the pressure supply device 2 and the lower air inlet nozzle body 32.

[0023] like Figure 1 , 2As shown, the driving mechanism 5 includes a mounting frame 51 arranged on the base surface of the detection workbench 1, a group of telescopic push rod assemblies 52 are symmetrically arranged on the upper part of the mounting frame 51, and a mounting plate 53 is fixedly connected to the lower part of the telescopic push rod assembly 52. ​​A plurality of raised sliders 531 are arranged at both ends of the mounting plate 53, and a slide groove 511 corresponding to the raised slider 531 is correspondingly arranged on the corresponding mounting frame 51.

[0024] like Figure 1 As shown, the upper air inlet nozzle structure 4 includes a second rubber pad 41 and an upper air inlet nozzle body 42, wherein the second rubber pad 41 is fixedly arranged on the lower base surface of the mounting plate 53, and an opening corresponding to the upper air inlet nozzle is provided on the second rubber pad 41. After the upper air inlet nozzle body 42 is installed on the mounting plate 53, it is in a tightly crimped state with the second rubber pad 41.

[0025] like Figure 2 , 3 As shown, the detection component 6 includes a container tank 61 arranged on the mounting plate 53 and connected to the upper air inlet nozzle body 42. A pressure sensor 62 is provided on the container tank 61. The pressure sensor 62 is a pressure sensor with a digital display, so that it can be more directly seen whether the sealing of the valve meets the production standards.

[0026] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0027] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sealing detection device for valve production, characterized in that: The invention comprises a detection workbench (1), wherein a pressure supply device (2) is provided at the lower part of the detection workbench (1), wherein the pressure supply device (2) is connected to a lower air inlet nozzle structure (3) arranged on the detection workbench (1), and an upper air inlet nozzle structure (4) is also provided above the detection workbench (1) so as to be movable corresponding to the lower air inlet nozzle structure (3), and the detection workbench (1) is correspondingly provided with a driving mechanism (5) for driving the upper air inlet nozzle structure (4) to move, and a detection component (6) is also installed on the driving mechanism (5).

2. A valve production sealing detection device as claimed in claim 1, characterized in that: The lower air inlet nozzle structure (3) comprises a first rubber pad (31) and a lower air inlet nozzle body (32), wherein the first rubber pad (31) is arranged on the upper plate surface of the detection workbench (1), the lower air inlet nozzle body (32) passes through the first rubber pad (31) and the upper plate surface of the detection workbench (1) in sequence and is fixedly connected to the upper plate surface of the detection workbench (1), and a connecting pipeline (21) is provided between the pressure supply device (2) and the lower air inlet nozzle body (32).

3. A valve production sealing detection device as claimed in claim 2, characterized in that: The driving mechanism (5) comprises a mounting frame (51) arranged on a base surface of the detection workbench (1); a group of telescopic push rod assemblies (52) are symmetrically arranged on the upper part of the mounting frame (51); a mounting plate (53) is fixedly connected to the lower part of the telescopic push rod assembly (52); a plurality of protruding sliders (531) are arranged at both ends of the mounting plate (53); and corresponding sliding grooves (511) corresponding to the protruding sliders (531) are arranged on the mounting frame (51).

4. A valve production sealing detection device as claimed in claim 3, characterized in that: The upper air inlet nozzle structure (4) comprises a second rubber pad (41) and an upper air inlet nozzle body (42), wherein the second rubber pad (41) is fixedly arranged on the lower base surface of the mounting plate (53).

5. A valve production sealing detection device as claimed in claim 4, characterized in that: The detection assembly (6) comprises a container tank (61) arranged on the mounting plate (53) and connected to the upper air inlet nozzle body (42), and a pressure sensor (62) is provided on the container tank (61).

6. A valve production sealing detection device as claimed in claim 5, characterized in that: The pressure sensor (62) is a pressure sensor with a digital display.

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