Gas meter membrane leak detection device

Abstract

The utility model belongs to the technical field of leak detection equipment, and particularly relates to a gas meter membrane leak detection device which comprises a base, and a circular groove is formed in the middle of the base. The top of the base is fixedly connected with a supporting column. The top of the supporting column is fixedly connected with an air cylinder; the output end of the air cylinder is fixedly connected with a round rod. The round rod is arranged on the supporting column in a penetrating manner and is in sliding connection; the end part of the round rod is fixedly connected with a fixed frame; a fixing ring is fixedly connected to the bottom of the fixing frame; the fixing ring and the circular groove are correspondingly arranged; the fixing ring is used for extruding the gas meter film to enable the circular groove to be in a closed state, the circular groove can be inflated for testing, and due to the fact that the fixing ring is circular, when the fixing ring is used for fixing the gas meter film, stress is uniform when the fixing ring extrudes the gas meter film, and gas leakage caused by uneven stress of the gas meter film during extrusion is reduced; and when soapy water is used for testing, the influence of strong light on gas meter film replacement can be reduced, so that the convenience of gas meter film replacement is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to leak detection equipment technical field, specifically a gas meter membrane leak detection device. BACKGROUND

[0002] The gas meter is a kind of measuring instrument, mainly used to measure the use amount of gas in family or industrial place, and through internal mechanical or electronic device, the numerical value of gas consumption is accurately recorded, and from the structure, it contains air inlet, air outlet, metering chamber and transmission and counting component.

[0003] The gas meter membrane is one of the core components of the gas meter, is usually made of flexible material, can flexibly move, and its working principle is that the gas meter membrane will produce periodic expansion and contraction deformation along with the gas entering and exiting the metering chamber.

[0004] The leak detection process of the gas meter membrane is an essential inspection process in the production process, and currently most of the gas meter membranes are observed by naked eye, the method is relatively simple, but in the long-time leak detection work, it can cause the fatigue of naked eye to reduce the observation effect.

[0005] Therefore, the gas meter membrane leak detection device is provided for the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.

[0007] The utility model solves the technical scheme that the utility model discloses a kind of gas meter membrane leak detection device, including base, the base middle part is equipped with circular groove;The base top is fixedly connected with support column;The support column top is fixedly connected with cylinder;The cylinder output end is fixedly connected with round bar;The round bar is set on support column and is slidably connected as through;The round bar end is fixedly connected with fixed frame;The fixed frame bottom is fixedly connected with fixed ring;The fixed ring and circular groove are correspondingly set;By using fixed ring to extrude gas meter membrane so that circular groove becomes closed state can be tested to the inflation inside circular groove, since fixed ring is in circular, so when fixing gas meter membrane, fixed ring is extruded to gas meter membrane, and stress is uniform, so when extruding, reduce the uneven stress of gas meter membrane to leak gas, so as to increase the convenience when gas meter membrane leak detection.

[0008] Preferably, a plurality of spring telescopic rods are fixedly connected inside the base; a supporting ring is fixedly connected to the top of the spring telescopic rods; the supporting ring is located between the base and the circular groove; by increasing the supporting ring, support can be provided to the fixed ring when the fixed ring extrudes the gas meter diaphragm, so that the fixed ring has a relative force when pressing the gas meter diaphragm, thereby extruding the gas meter diaphragm together, and the spring telescopic rods increase the buffer space for the downward movement of the fixed ring, thereby reducing damage to the gas meter diaphragm caused by excessive extrusion of the fixed ring on the gas meter diaphragm; after the fixed ring enters the inside of the spring telescopic rods, the supporting ring and the fixed ring extrude the gas meter diaphragm together, thereby reducing the sliding of the gas meter diaphragm inside the spring telescopic rods.

[0009] Preferably, a rubber ring is fixedly connected to the top of the supporting ring; the rubber ring and the supporting ring are correspondingly arranged; by increasing the rubber ring, stability can be increased when the fixed ring extrudes the gas meter diaphragm, and sliding caused by the force received during contact is reduced; at the same time, the rubber ring increases the sealing between the supporting ring and the gas meter diaphragm, thereby reducing gas leakage caused by gaps.

[0010] Preferably, a plurality of spray heads are communicated to the bottom of the fixed frame; a water guide pipe is communicated to the top of the fixed frame; by increasing the spray heads, when the gas meter diaphragm needs to increase the soap water, the spray heads can be directly used to spray an appropriate amount of soap water instead of taking down and applying the soap water again.

[0011] Preferably, a collecting groove is formed in the inside of the fixed ring; a transmission pipe is communicated to the side wall of the fixed ring; the transmission pipe and the collecting groove are in communication; by increasing the collecting groove, excess soap water can be recycled, thereby reducing the waste of soap water.

[0012] Preferably, a plurality of sponge strips are fixedly connected to the top of the fixed ring; the sponge strips and the collecting groove are in communication; by increasing the sponge strips, water falling on the top of the fixed ring can be collected, thereby increasing the utilization of soap water.

[0013] The beneficial effects of the utility model lie in:

[0014] 1. The gas meter diaphragm leak detection device, by using the fixed ring to extrude the gas meter diaphragm, the circular groove becomes a closed state, and the inside of the circular groove can be inflated for testing; since the fixed ring is circular, when the gas meter diaphragm is fixed, the fixed ring extrudes the gas meter diaphragm uniformly, so that the stress of the gas meter diaphragm is uniform during extrusion, thereby reducing the leakage of gas, and the convenience of detecting the gas meter diaphragm is increased.

[0015] 2.The gas meter diaphragm leak detection device, by increasing the supporting ring, the fixed ring can provide support when extruding the gas meter diaphragm, so that the fixed ring has a relative force when pressurizing the gas meter diaphragm, thereby extruding the gas meter diaphragm together, at the same time, the spring telescopic rod can increase the buffer space for the downward movement of the fixed ring, reduce the damage caused by the excessive extrusion of the fixed ring on the gas meter diaphragm, and after the fixed ring enters the inside of the spring telescopic rod, the supporting ring and the fixed ring will extrude the gas meter diaphragm together, thereby reducing the sliding of the gas meter diaphragm in the spring telescopic rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments 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 some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a schematic view of the main body of the present application;

[0018] Figure 2 It is a structural schematic view of the circular groove in the present application;

[0019] Figure 3 It is a structural schematic view of the fixed frame in the present application;

[0020] Figure 4 It is a structural schematic view of the nozzle in the present application;

[0021] Figure 5 It is a structural schematic view of the collecting groove in the present application.

[0022] In the figure: 1, base; 11, circular groove; 12, supporting column; 13, air cylinder; 14, circular rod; 15, fixed frame; 16, fixed ring; 2, spring telescopic rod; 21, supporting ring; 3, rubber ring; 4, nozzle; 41, water guide pipe; 5, collecting groove; 51, transmission pipe; 6, sponge strip. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] The specific embodiments will be given below.

[0025] AsFigures 1 to 5 As shown in the embodiment of this utility model, a gas meter diaphragm leak detection device includes a base 1 with a circular groove 11 in the middle; a support column 12 is fixedly connected to the top of the base 1; a cylinder 13 is fixedly connected to the top of the support column 12; a circular rod 14 is fixedly connected to the output end of the cylinder 13; the circular rod 14 is through-mounted and slidably connected to the support column 12; a fixing frame 15 is fixedly connected to the end of the circular rod 14; a fixing ring 16 is fixedly connected to the bottom of the fixing frame 15; the fixing ring 16 and the circular groove 11 are correspondingly arranged; during operation, the bottom of the gas meter diaphragm is first coated with soapy water and then placed on the surface of the base 1. After the gas meter diaphragm is placed, the cylinder 13 is activated, causing the circular rod 14 to push the fixing frame 15 downward. During the downward movement of the fixing frame 15, the bottom of the fixing ring 16 will contact the surface of the gas meter diaphragm. As the fixing ring 16 continues to move downward, it will contact the surface of the gas meter diaphragm. The base 1 compresses the gas meter diaphragm, thereby closing the circular groove 11 and sealing the gas meter diaphragm and the circular groove 11. Then, a gas pump is connected to the pipeline to transmit gas into the circular groove 11. As the gas inside the circular groove 11 increases, the gas will eventually contact the bottom of the gas meter diaphragm. When there is a leak in the gas meter diaphragm, air bubbles will appear on the surface. The surface of the gas meter diaphragm can be observed through the space in the middle of the fixing ring 16 to see if air bubbles are generated on the surface of the gas meter diaphragm. By using the fixing ring 16 to compress the gas meter diaphragm and seal the circular groove 11, the gas can be filled into the circular groove 11 for testing. Since the fixing ring 16 is circular, the force is evenly distributed when the gas meter diaphragm is fixed, thus reducing uneven force on the gas meter diaphragm and preventing gas leakage, thereby increasing the convenience of leak detection of the gas meter diaphragm.

[0026] like Figures 1 to 2As shown, the base 1 is internally connected with a plurality of spring telescopic rods 2; the top of the spring telescopic rod 2 is fixedly connected with a support ring 21; the support ring 21 is located between the base 1 and the circular groove 11; when the gas meter film is placed, it will first contact the spring telescopic rod 2 and be lifted, and when the fixed ring 16 is pressed against the gas meter film, the spring telescopic rod 2 will be contracted and the fixed ring 16 will be lowered, and the support ring 21 will gradually enter the inside of the base 1, and when the support ring 21 completely enters the inside of the base 1, the fixed ring 16 will enter the inside of the spring telescopic rod 2 with the gas meter film when the fixed ring 16 is continuously lowered, and at this time the support ring 21 and the fixed ring 16 will be tightly attached to the surface of the gas meter film to fix it; by increasing the support ring 21, support can be provided when the fixed ring 16 is pressed against the gas meter film, so that the fixed ring 16 has a relative force when it is pressed against the gas meter film, thereby jointly pressing the gas meter film, and at the same time the spring telescopic rod 2 will increase the buffer space for the downward movement of the fixed ring 16, thereby reducing the damage caused by excessive pressing of the fixed ring 16 against the gas meter film, and after the fixed ring 16 enters the inside of the spring telescopic rod 2, the support ring 21 and the fixed ring 16 will press the gas meter film together to reduce the sliding of the gas meter film inside the spring telescopic rod 2.

[0027] As shown in Figures 1 to 2 , the top of the support ring 21 is fixedly connected with a rubber ring 3; the rubber ring 3 and the support ring 21 are correspondingly arranged; when the gas meter film is placed on the top of the support ring 21, the surface of the gas meter film will slide due to the soap water on the surface, and at this time the gas meter film will contact the rubber ring 3 to increase the resistance when the gas meter film slides, and when the fixed ring 16 and the support ring 21 clamp the gas meter film, the rubber ring 3 will reduce the gap between the support ring 21 and the gas meter film; by increasing the rubber ring 3, stability can be increased when the fixed ring 16 is pressed against the gas meter film, and the sliding caused by the force when the two are in contact can be reduced, and at the same time the rubber ring 3 will increase the sealing between the support ring 21 and the gas meter film, thereby reducing gas leakage caused by the gap.

[0028] As shown in Figures 1 to 5 , the bottom of the fixed frame 15 is communicated with a plurality of nozzles 4; the top of the fixed frame 15 is communicated with a water guide pipe 41; when the gas meter film needs to be tested and it is found that there is less soap water on the surface of the gas meter film, the water guide pipe 41 can be connected to the water pump to transmit the soap water to the inside of the fixed frame 15 through the water guide pipe 41 and then spray it out of the nozzles 4 to the surface of the gas meter film, so as to increase the soap water on the surface of the gas meter film; by increasing the nozzles 4, when the gas meter film needs to increase the soap water, the soap water does not need to be taken down and reapplied, but can be directly sprayed by the nozzles 4.

[0029] As shown in Figure 5As shown, the fixed ring 16 is internally provided with a collection groove 5; the sidewall of the fixed ring 16 is communicated with a transmission pipe 51; the transmission pipe 51 and the collection groove 5 are in communication; in working, when the fixed ring 16 extrudes the gas meter diaphragm, the diaphragm is flexible and the surface will be deformed; after the nozzle 4 sprays water on the diaphragm, the water will slide along the slope of the diaphragm surface to the fixed ring 16, and then fall into the inside of the collection groove 5; when the water in the collection groove 5 accumulates more, it will flow out from the transmission pipe 51; by increasing the collection groove 5, the excess soap water can be recycled, thereby reducing the waste of soap water.

[0030] As shown in the figure, the fixed ring 16 is internally provided with a collection groove 5; the sidewall of the fixed ring 16 is communicated with a transmission pipe 51; the transmission pipe 51 and the collection groove 5 are in communication; in working, when the fixed ring 16 extrudes the gas meter diaphragm, the diaphragm is flexible and the surface will be deformed; after the nozzle 4 sprays water on the diaphragm, the water will slide along the slope of the diaphragm surface to the fixed ring 16, and then fall into the inside of the collection groove 5; when the water in the collection groove 5 accumulates more, it will flow out from the transmission pipe 51; by increasing the collection groove 5, the excess soap water can be recycled, thereby reducing the waste of soap water. Figures 1 to 5 As shown in the figure, the fixed ring 16 is internally provided with a collection groove 5; the sidewall of the fixed ring 16 is communicated with a transmission pipe 51; the transmission pipe 51 and the collection groove 5 are in communication; in working, when the fixed ring 16 extrudes the gas meter diaphragm, the diaphragm is flexible and the surface will be deformed; after the nozzle 4 sprays water on the diaphragm, the water will slide along the slope of the diaphragm surface to the fixed ring 16, and then fall into the inside of the collection groove 5; when the water in the collection groove 5 accumulates more, it will flow out from the transmission pipe 51; by increasing the collection groove 5, the excess soap water can be recycled, thereby reducing the waste of soap water.

[0031] Working principle: through first gas meter film bottom smearing soap water and then put into to the surface of base 1, when gas meter film is placed, start cylinder 13 and make round bar 14 push fixed frame 15 to move down, in the process of fixed frame 15 moving down, fixed ring 16 bottom will contact with the surface of gas meter film, along with fixed ring 16 constantly moving down, it will cooperate with base 1 to extrude gas meter film, thus close round groove 11, make gas meter film and round groove 11 be in sealed state, then connect pipeline to gas pump and transmit gas to the inside of round groove 11, along with the gas in the inside of round groove 11 constantly increasing, then gas will contact with the bottom of gas meter film, when gas meter film has leak point, surface will appear bubble flow, thus through the space in the middle of fixed ring 16, observe the surface of gas meter film, whether bubble flow is generated on the surface of gas meter film; when gas meter film is placed, it will first contact with spring telescopic rod 2 and be erected, when fixed ring 16 extrudes gas meter film, spring telescopic rod 2 will contract, along with the moving down of fixed ring 16, support ring 21 will gradually enter into the inside of base 1, when support ring 21 completely enters into the inside of base 1, continue to move down fixed ring 16, fixed ring 16 will enter into the inside of spring telescopic rod 2 along with gas meter film, at this time, support ring 21 and fixed ring 16 will be close to the surface of gas meter film and fix it; after gas meter film is placed to the top of support ring 21, because the surface of gas meter film is coated with soap water, sliding will appear, at this time, gas meter film will contact with rubber ring 3 and increase the resistance when gas meter film slides, when fixed ring 16 and support ring 21 clamp gas meter film, rubber ring 3 will reduce the gap between support ring 21 and gas meter film; when it is needed to test gas meter film, if it is found that the soap water on the surface of gas meter film is less, water pipe 41 can be connected to water pump, the soap water is transmitted to the inside of fixed frame 15 through water pipe 41 and then sprayed to the surface of gas meter film from nozzle 4, so as to increase the soap water on the surface of gas meter film; when fixed ring 16 extrudes gas meter film, because gas meter film has flexibility, the surface will deform, after nozzle 4 sprays water to gas meter film, water will move along the slope on the surface of gas meter film and approach fixed ring 16, then slide into the inside of collecting groove 5, when the water in the inside of collecting groove 5 accumulates more, it will flow out from transmission pipe 51; when nozzle 4 sprays water, part of water source will fall to the top of fixed ring 16, at this time, it will be absorbed by sponge strip 6 and then gradually drip into the inside of collecting groove 5 through the hole in the inside of sponge strip 6.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A gas meter diaphragm leak detection apparatus comprising a base (1) characterised in that: The middle of the base (1) is provided with a circular groove (11); the top of the base (1) is fixedly connected with a support column (12); the top of the support column (12) is fixedly connected with a gas cylinder (13); the output end of the gas cylinder (13) is fixedly connected with a circular rod (14); the circular rod (14) is throughly arranged on the support column (12) and is slidingly connected; the end of the circular rod (14) is fixedly connected with a fixing frame (15); the bottom of the fixing frame (15) is fixedly connected with a fixing ring (16); the fixing ring (16) and the circular groove (11) are correspondingly arranged.

2. A gas meter diaphragm leak detection apparatus according to claim 1, characterised in that: A plurality of spring telescopic rods (2) are fixedly connected inside the base (1); the top of the spring telescopic rod (2) is fixedly connected with a support ring (21); the support ring (21) is located between the base (1) and the circular groove (11).

3. A gas meter diaphragm leak detection apparatus according to claim 2, wherein: The top of the support ring (21) is fixedly connected with a rubber ring (3); the rubber ring (3) and the support ring (21) are correspondingly arranged.

4. A gas meter diaphragm leak detection apparatus according to claim 3, wherein: A plurality of nozzles (4) are communicated at the bottom of the fixing frame (15); a water guide pipe (41) is communicated at the top of the fixing frame (15).

5. A gas meter diaphragm leak detection apparatus according to claim 4, wherein: A collecting groove (5) is arranged inside the fixing ring (16); a transmission pipe (51) is communicated at the side wall of the fixing ring (16); the transmission pipe (51) and the collecting groove (5) are in communication.

6. A gas meter diaphragm leak detection apparatus according to claim 5, wherein: A plurality of sponge strips (6) are fixedly connected at the top of the fixing ring (16); the sponge strips (6) and the collecting groove (5) are in communication.

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