Gas valve detection device

Abstract

The utility model relates to the technical field of gas valve detection, in particular to a gas valve detection device which comprises a supporting box, a plurality of supporting legs are fixedly connected to the bottom of the supporting box, a gas collecting shell is fixedly connected to the top of the supporting box, a gas inlet pipe is fixedly connected to the top end of the gas collecting shell, and a plurality of gas outlet pipes are fixedly connected to the side wall of the gas collecting shell. A plurality of detection boxes are arranged above the supporting box, and the number of the detection boxes is consistent with that of the air outlet pipes; each detection box is of a cavity structure with an opening in one end, the opening direction of each detection box faces the corresponding air outlet pipe, and a translation mechanism used for driving the multiple detection boxes to translate is installed on the supporting box; the air-tight seal of a plurality of gas valves can be conveniently detected at the same time, under the same pressure and temperature, the detection efficiency is improved, the plurality of gas valves are detected at the same time, under the same pressure and under the same temperature, errors caused by environmental fluctuation are avoided, and data are more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas valve detection technical field especially relates to a gas valve detection device. BACKGROUND

[0002] Valve is used to open and close pipeline, control flow direction, adjust and control the parameter of pipeline accessory of conveying medium, according to its function, can be divided into shut-off valve, check valve, regulating valve etc. After the production of gas valve is completed, in order to ensure its use effect, it needs to detect its air tightness.

[0003] In the prior art, the patent with the announcement number CN216449127U discloses a kind of gas valve detection device, the pressure change caused by the movement of sealing rod in valve body makes that pressure sensor shows the real-time pressure value on display screen, and the air tightness detection of valve body is completed by the way, but, it is worth thinking that detection device can only detect one gas valve at a time, when the gas valve to be detected is more, it will affect detection efficiency. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of gas valve detection device to solve the problem that the above-mentioned detection device can only detect one gas valve at a time, when the gas valve to be detected is more, it will affect detection efficiency.

[0005] Based on the above-mentioned purpose, the utility model provides a kind of gas valve detection device, including support box, the bottom of support box is fixedly connected with several support legs, the top of support box is fixedly connected with gas collection shell, the top of gas collection shell is fixedly connected with inlet pipe, several outlet pipes are fixedly connected on the side wall of gas collection shell, and several detection boxes are arranged above support box, and the number of detection box and outlet pipe is consistent;The detection box is the cavity structure of one end opening, and the opening direction of detection box faces corresponding outlet pipe, and translation mechanism for driving several detection boxes to translate is installed on support box, detection unit for detecting the air pressure in detection box is arranged on detection box, and support structure for supporting the gas valve to be detected is arranged on support box.

[0006] Preferably, the detection unit includes fixed shell fixedly installed on the side of detection box away from outlet pipe, and the fixed shell is the cavity structure of one end opening, and piston plate is slidably arranged in fixed shell, and air inlet hole matched with fixed shell is formed in the inner wall of detection box, movable column is fixedly connected to the side of piston plate away from air inlet hole, and support disc outside fixed shell is fixedly connected to the end of movable column away from piston plate, and the side of piston plate facing support disc is connected with the inner wall of fixed shell by several compression springs.

[0007] Preferably, the translation mechanism comprises a movable plate fixedly installed at the bottom of the detection box, a first lead screw is through the movable plate and located in the support box, the first lead screw is rotationally connected with the support box, the first lead screw is threadedly connected with the movable plate, and the inner wall top of the support box is provided with a plurality of avoiding holes matched with the movable plate.

[0008] Preferably, the drive comprises a servo motor fixedly installed on the support box, the output end of the servo motor is fixedly connected with a first bevel gear located in the support box, and the first lead screw is fixedly connected with a second bevel gear engaged with the first bevel gear.

[0009] Preferably, the gas outlet pipe and the outer part of the detection box are fixedly sleeved with support rings, and the sealing rings are fixedly connected to the sides close to each other of the two support rings.

[0010] Preferably, the support structure comprises at least four second lead screws arranged between the detection box and the gas outlet pipe, the outer part of the second lead screw is sleeved with a threaded sleeve, and the bottom end of the second lead screw is fixedly connected with the support box.

[0011] The gas valve to be detected is placed on the support structure, one end of the gas valve to be detected abuts against the gas outlet pipe, the detection box is driven to translate by the translation mechanism, so that the detection box and the gas outlet pipe clamp the corresponding gas valve, after all the gas valves are fixed, all the gas valves are closed, high-pressure gas is injected into the gas collecting shell through the gas inlet pipe, the high-pressure gas enters the corresponding gas valve through the gas outlet pipe, the gas pressure in the detection box is detected by the detection unit, when the gas valve cannot block the circulation of the high-pressure gas, the high-pressure gas enters the corresponding detection box through the gas valve, the gas pressure in the detection box increases, otherwise, when the gas pressure in the detection box does not change, the gas seal of the gas valve corresponding to the detection box meets the requirements, the gas seals of multiple gas valves are detected at the same time, the detection efficiency is improved, multiple gas valves are detected at the same time, under the same pressure and temperature, errors caused by environmental fluctuations are avoided, and the data is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the support box in an embodiment of the present utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the detection box and the fixed shell in an embodiment of this utility model.

[0016] The diagram is marked as follows:

[0017] 1. Support box; 2. Gas collection shell; 3. Gas outlet pipe; 4. Gas inlet pipe; 5. Detection box; 6. Fixed shell; 7. Piston plate; 8. Air inlet; 9. Movable column; 10. Support plate; 11. Compression spring; 12. First lead screw; 13. Movable plate; 14. Clearance hole; 15. Support leg; 16. Servo motor; 17. First bevel gear; 18. Second bevel gear; 19. Guide plate; 20. Guide groove; 21. Support ring; 22. Sealing ring; 23. Second lead screw; 24. Threaded sleeve. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0019] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] This specification provides one or more embodiments of a gas valve detection device, such as... Figure 1 As shown, it includes a support box 1, a number of support legs 15 are fixedly connected to the bottom of the support box 1, a gas collecting shell 2 is fixedly connected to the top of the support box 1, an air inlet pipe 4 is fixedly connected to the top of the gas collecting shell 2, a number of air outlet pipes 3 are fixedly connected to the side wall of the gas collecting shell 2, and a number of detection boxes 5 are provided above the support box 1, and the number of detection boxes 5 and air outlet pipes 3 is the same.

[0021] The detection box 5 is a cavity structure with one end being open, and the opening direction of the detection box 5 is towards the corresponding air outlet pipe 3; the support box 1 is provided with a translation mechanism for driving the plurality of detection boxes 5 to translate; the detection box 5 is provided with a detection unit for detecting the air pressure in the detection box 5; and the support box 1 is provided with a support structure for supporting the gas valves to be detected; the worker places the gas valves to be detected on the support structure, and one end of the gas valves to be detected abuts against the air outlet pipe 3; the detection box 5 is driven to translate by the translation mechanism, so that the detection box 5 and the air outlet pipe 3 clamp the corresponding gas valve; after all the gas valves are fixed, all the gas valves are closed, high-pressure gas is injected into the gas collecting shell 2 through the air inlet pipe 4, the high-pressure gas enters the corresponding gas valve through the air outlet pipe 3, and the air pressure in the detection box 5 is detected by the detection unit; when the gas valve cannot block the flow of the high-pressure gas, the high-pressure gas enters the corresponding detection box 5 through the gas valve, and the air pressure in the detection box 5 increases; otherwise, when the air pressure in the detection box 5 remains unchanged, the air tightness of the gas valve corresponding to the detection box 5 meets the requirements; the air tightness of the plurality of gas valves can be detected at the same time, the detection efficiency is improved, the plurality of gas valves are detected at the same time, under the same pressure and temperature, errors caused by environmental fluctuations are avoided, and the data is more reliable.

[0022] In the embodiment of the utility model, as shown in Figure 3 The detection unit comprises a fixed shell 6 fixedly installed on the side of the detection box 5 away from the air outlet pipe 3, the fixed shell 6 is a cavity structure with one end being open, a piston plate 7 is slidably arranged in the fixed shell 6, an air inlet hole 8 matching the fixed shell 6 is formed in the inner wall of the detection box 5, a movable column 9 is fixedly connected to the side of the piston plate 7 away from the air inlet hole 8, one end of the movable column 9 away from the piston plate 7 is fixedly connected to a support disc 10 located outside the fixed shell 6, and the side of the piston plate 7 facing the support disc 10 is connected to the inner wall of the fixed shell 6 through a plurality of compression springs 11; when the air pressure in the detection box 5 increases, the gas in the detection box 5 exerts pressure on the piston plate 7, so that the piston plate 7, the movable column 9 and the support disc 10 move relative to the fixed shell 6, the compression springs 11 are in a compressed state, and the support disc 10 no longer contacts the fixed shell 6; by observing the state of the support disc 10, it can be judged whether the air pressure in the detection box 5 increases; when the air pressure in the detection box 5 returns to the normal value, the compression springs 11 drive the piston plate 7, the movable column 9 and the support disc 10 to move reversely, and finally the piston plate 7 is reset to the initial position relative to the fixed shell 6, and the support disc 10 abuts against the fixed shell 6.

[0023] In the embodiment of the utility model, as shown in Figure 1 , Figure 2 and Figure 3As shown, the translation mechanism includes a movable plate 13 fixedly installed at the bottom of the detection box 5, a first lead screw 12 located in the support box 1 is threaded through the movable plate 13, the first lead screw 12 is rotationally connected with the support box 1, the first lead screw 12 is threadedly connected with the movable plate 13, and the inner wall top of the support box 1 is provided with a plurality of avoiding holes 14 matched with the movable plate 13, a driver for driving a plurality of first lead screws 12 to rotate synchronously is installed on the support box 1, a plurality of guide plates 19 are fixedly connected in the support box 1, a guide groove 20 matched with the guide plate 19 is formed at the bottom end of the movable plate 13, and the guide plate 19 penetrates through the corresponding guide groove 20, the driver includes a servo motor 16 fixedly installed on the support box 1, a first bevel gear 17 located in the support box 1 is fixedly connected to the output end of the servo motor 16, a second bevel gear 18 meshed with the first bevel gear 17 is fixedly connected to the first lead screw 12, the outer part of the gas outlet pipe 3 and the detection box 5 is fixedly sleeved with a support ring 21, the side close to each other of the corresponding two support rings 21 is fixedly connected with a sealing ring 22 respectively, and the support structure includes at least four second lead screws 23 arranged between the detection box 5 and the gas outlet pipe 3, a threaded sleeve 24 is sleeved on the outer part of the second lead screw 23, and the bottom end of the second lead screw 23 is fixedly connected with the support box 1; the first bevel gear 17 is driven to rotate by the servo motor 16, the first bevel gear 17 drives a plurality of second bevel gears 18 to rotate synchronously, the second bevel gear 18 drives the movable plate 13 and the detection box 5 to translate through the first lead screw 12, the guide groove 20 on the movable plate 13 slides relative to the guide plate 19, the design of the guide groove 20 and the guide plate 19 enables the movable plate 13 and the detection box 5 to move stably in the horizontal direction, when the gas valve is clamped between the detection box 5 and the gas outlet pipe 3, the two sides of the gas valve abut against the adjacent two sealing rings 22 respectively, and the sealing is realized through the sealing ring 22, thereby improving the sealing between the gas valve and the gas outlet pipe 3 and the detection box 5 respectively, and the initial height of the threaded sleeve 24 can be adjusted by driving the threaded sleeve 24 to rotate relative to the second lead screw 23, and the gas valve is supported by a plurality of threaded sleeves 24.

[0024] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including claims) to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0025] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A gas valve testing device comprising a support box (1), characterized in that, The bottom of the support box (1) is fixedly connected with a plurality of support legs (15), the top of the support box (1) is fixedly connected with a gas collecting shell (2), the top end of the gas collecting shell (2) is fixedly connected with an air inlet pipe (4), a plurality of air outlet pipes (3) are fixedly connected on the side wall of the gas collecting shell (2), a plurality of detection boxes (5) are arranged above the support box (1), and the number of the detection boxes (5) is consistent with that of the air outlet pipes (3); the detection box (5) is a cavity structure with an open end, and the open end of the detection box (5) faces the corresponding air outlet pipe (3); a translation mechanism for driving the plurality of detection boxes (5) to translate is installed on the support box (1), a detection unit for detecting the air pressure in the detection box (5) is arranged on the detection box (5), and a support structure for supporting a gas valve to be detected is arranged on the support box (1).

2. The gas valve testing device of claim 1, wherein, The detection unit comprises a fixed shell (6) fixedly installed on the side of the detection box (5) away from the air outlet pipe (3), the fixed shell (6) is a cavity structure with an open end, a piston plate (7) is slidably arranged in the fixed shell (6), an air inlet hole (8) matched with the fixed shell (6) is formed in the inner wall of the detection box (5), a movable column (9) is fixedly connected to the side of the piston plate (7) away from the air inlet hole (8), and the end of the movable column (9) away from the piston plate (7) is fixedly connected with a support disc (10) arranged outside the fixed shell (6), and the side of the piston plate (7) facing the support disc (10) is connected with the inner wall of the fixed shell (6) through a plurality of compression springs (11).

3. The gas valve testing apparatus of claim 1, wherein, The translation mechanism comprises a movable plate (13) fixedly installed on the bottom of the detection box (5), a first lead screw (12) penetrating through the support box (1) is arranged on the movable plate (13), the first lead screw (12) is rotatably connected with the support box (1), the first lead screw (12) and the movable plate (13) are threadedly connected, a plurality of avoiding holes (14) matched with the movable plate (13) are formed in the top of the inner wall of the support box (1), a drive device for driving a plurality of first lead screws (12) to rotate synchronously is installed on the support box (1), a plurality of guide plates (19) are fixedly connected in the support box (1), a guide groove (20) matched with the guide plate (19) is formed in the bottom end of the movable plate (13), and the guide plate (19) penetrates through the corresponding guide groove (20).

4. The gas valve testing apparatus of claim 3, wherein, The drive device comprises a servo motor (16) fixedly installed on the support box (1), a first bevel gear (17) arranged in the support box (1) is fixedly connected to the output end of the servo motor (16), and a second bevel gear (18) engaged with the first bevel gear (17) is fixedly connected to the first lead screw (12).

5. The gas valve testing apparatus of claim 1, wherein, The air outlet pipe (3) and the detection box (5) are both fixedly sleeved with a support ring (21), and the side of the corresponding two support rings (21) close to each other is fixedly connected with a sealing ring (22).

6. The gas valve testing apparatus of claim 1, wherein The support structure comprises at least four second lead screws (23) arranged between the detection box (5) and the air outlet pipe (3), a threaded sleeve (24) is sleeved on the outer portion of the second lead screw (23), and the bottom end of the second lead screw (23) is fixedly connected with the support box (1).

Images