Positive pressure joint gas checking equipment

Abstract

The utility model relates to the technical field of gas testing equipment, in particular to positive pressure joint gas testing equipment. The utility model provides a positive pressure joint gas testing device which can prevent leakage detection products from being moist and polluted, improve product safety and increase leakage detection efficiency. A positive pressure connector gas checking device comprises a base, a shell, placing assemblies, an inclined plate, hydraulic cylinders and the like, the top of the base is connected with the shell, the placing assemblies are arranged on the upper side of the front portion of the base, the inclined plate is connected into the shell and arranged in an inclined mode, and the hydraulic cylinders are connected to the front sides of the left portion and the right portion of the inclined plate. According to the utility model, the hydraulic cylinder is used for controlling the gas injection part to be butted with the positive pressure joint, the precise pressure regulating valve is used for controlling the gas injection part to inject detection gas, and the pressure gauge change is observed to detect the operation of the sealing performance of the positive pressure joint, so that the effects of preventing leakage detection products from being moist and polluted, improving the product safety and increasing the leakage detection efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas testing equipment, in particular to a positive pressure joint gas testing equipment. Background Art

[0002] Positive pressure joint gas testing equipment usually refers to professional equipment used to detect the air tightness and gas supply performance of joints in positive pressure respirators, positive pressure air supply systems or positive pressure pipeline systems.

[0003] The traditional leak detection method is to use water detection to perform leak detection. This water detection method can achieve the purpose of leak detection, but its leak detection efficiency is low, the operation is difficult, and there are certain risks. Moreover, during the water detection process, consumables such as positive pressure connectors will become damp, and the water used for leak detection may enter consumables such as extracorporeal circulation circuits, resulting in invisible contamination of consumables such as pipelines, posing a certain degree of safety hazard to patients. In addition, the traditional water detection method requires long-term observation to detect products with tiny leaks, which greatly reduces production efficiency.

[0004] Therefore, a positive pressure joint gas testing device has been developed which can prevent the leak detection product from getting wet, avoid leak detection product contamination, improve product safety and increase leak detection efficiency. Utility Model Content

[0005] In order to overcome the shortcomings of the existing leak detection methods in the above-mentioned background technology, the utility model provides a positive pressure joint gas testing device which can avoid moisture and contamination of the leak detection product, improve product safety and increase leak detection efficiency.

[0006] The technical implementation scheme of the utility model is: a positive pressure joint gas testing equipment, including a base, a shell, a placement component, an inclined plate, a hydraulic cylinder, an axis plate, an air injection component, an elastic component, a guide rail, a pressure gauge, an electric push rod, a pressure plate, a precision pressure regulating valve, a one-way solenoid valve, a two-way solenoid valve and a control board, the top of the base is connected to the shell, a plurality of placement components are arranged on the upper front side of the base, an inclined plate is connected inside the shell, the inclined plate is inclined, the left and right front sides of the inclined plate are connected to the hydraulic cylinder, the telescopic end of the hydraulic cylinder is connected to the axis plate, the axis plate is slidably connected to a plurality of air injection components, the air injection components are connected to the adjacent axis plates with elastic components, the inclined plate There are multiple guide rails connected to the top, and the shaft plates are slidably connected to the adjacent guide rails. Multiple pressure gauges are connected to the inner side of the upper rear part of the shell, and multiple electric push rods are connected to the inner side of the front part of the shell. Pressure plates are connected between the telescopic ends of adjacent electric push rods, and the pressure plates are squeezed and matched with adjacent display components. There are multiple groups of precision pressure regulating valves connected to the inner side of the top of the shell, and each group consists of four precision pressure regulating valves. A control panel is connected to the upper rear side of the base, and one-way solenoid valves are connected to the upper sides of the left and right parts of the control panel, and a two-way solenoid valve is connected to the middle of the control panel. The one-way solenoid valves are connected to the two-way solenoid valves, and the hydraulic cylinders have the adjacent one-way solenoid valves to control the hydraulic oil inlet and outlet content.

[0007] Optionally, a button is provided on the front side of the base.

[0008] Optionally, the placement assembly includes a placement table and a clamping piece, a plurality of placement tables are connected to the upper front side of the base, a plurality of clamping pieces are connected to the placement tables, and the positive pressure connector is placed on the clamping piece.

[0009] Optionally, the elastic member is a spring.

[0010] Optionally, the lower part of the gas injection piece is conical, so as to facilitate insertion into the positive pressure joint for gas injection.

[0011] Optionally, each precision pressure regulating valve can be connected to a gas injection pipe between adjacent gas injection parts.

[0012] The utility model has the following advantages: the utility model controls the gas injection part to connect with the positive pressure joint through the hydraulic cylinder, and then uses the precision pressure regulating valve to control the gas injection part to inject the detection gas, and observes the changes in the pressure gauge to detect the sealing of the positive pressure joint, which can achieve the effect of avoiding moisture and contamination of the leak detection product, improving product safety and increasing leak detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 It is a partial three-dimensional structural cross-sectional schematic diagram of the utility model.

[0015] Figure 3It is a schematic cross-sectional view of the three-dimensional structure of the top pressing assembly of the utility model.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the multi-valve assembly of the utility model.

[0017] The meanings of the reference numerals in the figure are: 1: base, 2: housing, 3: placement assembly, 4: inclined plate, 5: hydraulic cylinder, 6: shaft plate, 7: gas injection part, 70: spring, 8: guide rail, 9: pressure gauge, 10: electric push rod, 11: pressure plate, 12: precision pressure regulating valve, 13: one-way solenoid valve, 14: two-way solenoid valve, 15: control board. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.

[0019] A positive pressure joint gas testing device, such as Figure 1-Figure 4 As shown, it includes a base 1, a shell 2, a placement component 3, a slant plate 4, a hydraulic cylinder 5, a shaft plate 6, an air injection component 7, a spring 70, a guide rail 8, a pressure gauge 9, an electric push rod 10, a pressure plate 11, a precision pressure regulating valve 12, a one-way solenoid valve 13, a two-way solenoid valve 14 and a control board 15. The top of the base 1 is connected to the shell 2, and a plurality of placement components 3 are arranged on the upper front side of the base 1. The placement component 3 includes a placement table and a clamping component. The upper front side of the base 1 is connected to a plurality of placement tables, and a plurality of clamping components are connected to the placement table. The inside of the shell 2 is connected to the slant plate 4, which is inclined. The left and right front sides of the slant plate 4 are connected to the hydraulic cylinder 5, and the telescopic ends of the hydraulic cylinder 5 are connected to the shaft plates 6. The shaft plates 6 are slidably connected to a plurality of air injection components 7, and the air injection components 7 are all adjacent to the shaft plates 6. A spring 70 is connected between the two plates, a plurality of guide rails 8 are connected to the inclined plate 4, the shaft plates 6 are slidably connected to the adjacent guide rails 8, a plurality of pressure gauges 9 are connected to the inner side of the upper rear portion of the outer shell 2, a plurality of electric push rods 10 are connected to the inner side of the front portion of the outer shell 2, pressure plates 11 are connected between the telescopic ends of adjacent electric push rods 10, the pressure plates 11 are squeezed and matched with the adjacent display components 3, a plurality of groups of precision pressure regulating valves 12 are connected to the inner side of the top of the outer shell 2, each group consists of four precision pressure regulating valves 12, a control board 15 is connected to the upper side of the rear portion of the base, a one-way solenoid valve 13 is connected to the upper sides of the left and right portions of the control board 15, a two-way solenoid valve 14 is connected to the middle portion of the control board 15, the one-way solenoid valves 13 are connected to the two-way solenoid valves 14, and the hydraulic cylinders 5 are controlled by adjacent one-way solenoid valves 13 to control the hydraulic oil inlet and outlet content.

[0020] When the utility model is in use, an air injection pipe is connected between the air injection part 7 and the corresponding precision pressure regulating valve 12, and the precision adjustment is connected to the corresponding pressure gauge 9, so that the pressure gauge 9 can detect the air pressure change transmitted from the precision pressure regulating valve 12, and then the oil delivery pipe is connected between the one-way solenoid valve 13 and the corresponding hydraulic cylinder 5, and then the positive pressure joint that needs to be leak-checked is placed in the placement component 3, and the pressure plate 11 is controlled to move downward by the electric push rod 10, and the swing component is fixed on the base 1, and then the two-way solenoid valve 14 is controlled by the control panel 15 to inject hydraulic oil into the one-way solenoid valve 13, so that the one-way solenoid valve 13 pours the hydraulic oil into the corresponding hydraulic cylinder 5, so that the control shaft plate 6 at the telescopic end of the hydraulic cylinder 5 slides on the guide rail 8, and the gas injection piece 7 is controlled to dock with the positive pressure joint. When the gas injection piece 7 is docked, under the action of the spring 70, it can adapt the extrusion force of the hydraulic cylinder 5 to avoid damage to the positive pressure joint. When the gas injection piece 7 is docked with the positive pressure joint, the precision pressure regulating valve 12 controls the gas injection piece 7 to inject gas into the positive pressure joint. By observing the air pressure changes in the pressure gauge 9, the sealing performance of the positive pressure joint is judged. After the detection is completed, the two-way solenoid valve 14 controls the one-way solenoid valve 13 to withdraw the hydraulic oil, so that the telescopic end of the hydraulic cylinder 5 contracts, and the control shaft plate 6 moves upward and resets, so that the gas injection piece 7 is separated from the positive pressure joint.

[0021] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.

Claims

1. A positive pressure joint gas testing device, characterized by: The invention comprises a base (1), a shell (2), a placement component (3), an inclined plate (4), a hydraulic cylinder (5), a shaft plate (6), an air injection component (7), an elastic component, a guide rail (8), a pressure gauge (9), an electric push rod (10), a pressure plate (11), a precision pressure regulating valve (12), a one-way solenoid valve (13), a two-way solenoid valve (14) and a control panel (15). The top of the base (1) is connected to the shell (2). A plurality of placement components (3) are arranged on the upper front side of the base (1). The inside of the shell (2) is connected to an inclined plate (4). The inclined plate (4) is arranged in an inclined manner. The front sides of the left and right sides of the inclined plate (4) are both connected to the hydraulic cylinder (5). The telescopic ends of the hydraulic cylinder (5) are both connected to the shaft plates (6). The shaft plates (6) are both slidably connected to the plurality of air injection components (7). The air injection components (7) are each connected to the adjacent shaft plates (6) with an elastic component. The inclined plate (4) is connected to the plurality of A guide rail (8) is provided, and the shaft plates (6) are all connected to adjacent guide rails (8) in a sliding manner. A plurality of pressure gauges (9) are connected to the inner side of the upper rear part of the housing (2). A plurality of electric push rods (10) are connected to the inner side of the front part of the housing (2). A pressure plate (11) is connected between the telescopic ends of adjacent electric push rods (10). The pressure plates (11) are all pressed and matched with adjacent placement components (3). A plurality of groups of precision pressure regulating valves (12) are connected to the inner side of the top of the housing (2), and each group is composed of four precision pressure regulating valves (12). A control panel (15) is connected to the upper side of the rear part of the base. The upper sides of the left and right parts of the control panel (15) are both connected to one-way solenoid valves (13). A two-way solenoid valve (14) is connected to the middle part of the control panel (15). The one-way solenoid valves (13) are all connected to the two-way solenoid valves (14). The hydraulic cylinders (5) are all controlled by adjacent one-way solenoid valves (13) to control the hydraulic oil inlet and outlet content.

2. A positive pressure joint gas testing device according to claim 1, characterized in that: A button is provided on the front side of the base (1).

3. A positive pressure joint gas testing device according to claim 2, characterized in that: The placement assembly (3) comprises a placement table and a clamping piece. The upper front side of the base (1) is connected to a plurality of placement tables, a plurality of clamping pieces are connected to the placement tables, and the positive pressure connector is placed on the clamping piece.

4. A positive pressure joint gas testing device according to claim 3, characterized in that: The elastic member is a spring (70).

5. A positive pressure joint gas testing device according to claim 4, characterized in that: The lower part of the gas injection piece (7) is conical, so it is convenient to insert it into the positive pressure joint for gas injection.

6. A positive pressure joint gas testing device according to claim 5, characterized in that: The precision pressure regulating valves (12) can be connected to the gas injection pipes between the adjacent gas injection parts (7).

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