High-sealing water-gas linkage valve

Abstract

The utility model discloses a high-sealing water-gas linkage valve, and belongs to the technical field of water-gas linkage valves. A high-sealing water-air linkage valve comprises an air valve and a water valve communicated with the air valve, the water valve is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are each provided with a connector, and the connectors are connected with a water pipe; the control assembly is arranged on the connector, the output end of the control assembly is connected with the pressing plate, the two ends of the sealing ring are connected with the connector and the pressing plate respectively, the control assembly drives the pressing plate to move and compress the sealing ring, and the sealing ring abuts against the inner wall of the water pipe to form sealing; the control assembly can drive the pressing plate to move, and the moving pressing plate can compress the sealing ring, so that the sealing ring can abut against the inner wall of the water pipe to form sealing, the leakage condition is avoided, and the purpose of improving the connection sealing performance between the water-gas linkage valve and the water pipe is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water-gas linkage valves, and more specifically relates to a high-sealing water-gas linkage valve. Background Art

[0002] The water-gas linkage valve is also called the water-gas linkage device, which includes a water control device and a gas control device. The main components are: air inlet, pressure relief valve stem, conical tube, tympanic membrane, water temperature regulating valve, push rod, micro switch, fire control valve, solenoid valve, air inlet, etc. The function of the water-gas linkage device is to ensure that the gas control valve can only be opened when the water pressure is sufficient and introduced into the heat exchanger to flow; and when the water flow stops or the pressure is insufficient, the gas supply path is automatically cut off to prevent the equipment from burning due to lack of water;

[0003] The water inlet pipe and the water outlet pipe on the general water-gas connecting valve are connected to the water pipe through threads. However, this connection method will cause leakage due to wear after long-term use, and the connection sealing is insufficient. Therefore, a high-sealing water-gas linkage valve is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a high-sealing water-gas linkage valve, which can improve the sealing performance of a water inlet pipe and a water outlet pipe of the water-gas linkage valve.

[0005] The utility model discloses a high-sealing water-gas linkage valve, comprising an air valve and a water valve connected with the air valve, wherein the water valve is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with connecting heads, and the connecting heads are connected with the water pipe; the utility model also comprises a sealing ring, a pressure plate and a control component, wherein the control component is arranged on the connecting head, the output end of the control component is connected with the pressure plate, the two ends of the sealing ring are respectively connected with the connecting head and the pressure plate, the control component drives the pressure plate to move and compress the sealing ring, and the sealing ring abuts against the inner wall of the water pipe to form a seal.

[0006] As a further improvement of the utility model, the control assembly includes a connecting rod, a limiting ring, a clamping ring and a locking nut; a through hole is provided on the connecting head, and the connecting rod movably passes through the through hole, one end of the connecting rod is fixedly connected to the pressure plate, the limiting ring is sleeved on the other end of the connecting rod, the limiting ring is sleeved on the connecting rod, and the connecting head and the limiting ring are against each other, an external thread is provided on the end of the connecting rod away from the pressure plate, and the locking nut is rotatably installed on the connecting rod in cooperation with the external thread.

[0007] As a further improvement of the utility model, a sealing ring is arranged on one side of the pressure plate, the sealing ring abuts against the connecting head to form a seal, and the connecting rod and the through hole are arranged on the outside of the sealing ring.

[0008] As a further improvement of the present invention, the sealing ring is an arc-shaped sealing ring, and the middle part of the sealing ring bulges outwards.

[0009] As a further improvement of the utility model, a filter bowl is installed on the inner wall of the connector on the water inlet pipe.

[0010] As a further improvement of the utility model, a limiting groove is arranged on the connecting head, and a limiting block matched with the limiting groove is arranged on the outer wall of the filter bowl; a clamping groove is arranged on the pressing plate, and the clamping groove and the limiting groove are arranged alternately.

[0011] As a further improvement of the utility model, the outer wall of the connector is provided with connecting threads, and the connector is connected to the water pipe via the connecting threads.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] 1. The utility model can drive the pressure plate to move through the control component, and the moving pressure plate can compress the sealing ring, so that the sealing ring can be pressed against the inner wall of the water pipe to form a seal, thereby avoiding leakage, thereby achieving the purpose of improving the connection sealing between the water-gas linkage valve and the water pipe.

[0014] 2. The utility model pulls the connecting rod to compress the sealing ring, then puts the limit ring on the connecting rod, limits the position through the pressure drop ring, and then tightens the locking nut through the external thread on the connecting rod, so that the limit ring and the clamping ring are limited and locked, and then the sealing ring is compressed and limited. At the same time, the sealing ring is an arc-shaped sealing ring, and the middle part of the sealing ring protrudes outward. The outward protruding sealing ring can guide the outward protrusion when the sealing ring is compressed and deformed, thereby achieving the purpose of forming a seal with the inner wall of the water pipe.

[0015] 3. The utility model installs a filter bowl in the connecting head, which can filter the water entering the water inlet pipe and prevent impurities from entering the water valve and affecting the normal movement of the diaphragm in the water valve; at the same time, the cooperation of the limit groove and the limit block is convenient for the installation of the filter bowl, and a clamping groove is provided on the pressure plate, through which the filter bowl and the limit block can enter the connecting head through the pressure plate; when in use, the limit block is clamped into the limit groove, and the limit block is pressed and limited by the pressure plate, and at the same time, the clamping groove and the limit groove are staggered, which can prevent the filter bowl from detaching from the clamping groove during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the use state of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the water inlet pipe of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the water inlet pipe of the utility model;

[0020] Figure 5 This is a schematic diagram of the pulling pressure plate state of the utility model;

[0021] Figure 6 This is a schematic diagram of the filter bowl structure of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Air valve; 2. Water valve; 3. Water inlet pipe; 4. Water outlet pipe; 5. Connector; 6. Water pipe; 7. Sealing ring; 8. Pressure plate; 9. Control assembly; 901. Connecting rod; 902. Limiting ring; 903. Pressing ring; 904. Locking nut; 10. Sealing ring; 11. Filter bowl; 12. Limiting groove; 13. Limiting block; 14. Slot; 15. Through hole. DETAILED DESCRIPTION

[0024] Specific embodiment 1: Please refer to Figure 1-6 A high-sealing water-gas linkage valve comprises an air valve 1 and a water valve 2 connected to the air valve 1, wherein the water valve 2 is provided with a water inlet pipe 3 and a water outlet pipe 4; the water inlet pipe 3 and the water outlet pipe 4 are both provided with a connector 5, and the connector 5 is connected to a water pipe 6; the outer wall of the connector 5 is provided with a connecting thread, and the connector 5 is connected to the water pipe 6 through the connecting thread;

[0025] It also includes a sealing ring 7, a pressure plate 8 and a control component 9, and the control component 9 includes a connecting rod 901, a limiting ring 902, a clamping ring 903 and a locking nut 904; a through hole is provided on the connecting head 5, and the connecting rod 901 movably passes through the through hole, one end of the connecting rod 901 is fixedly welded to the pressure plate 8, and the limiting ring 902 is sleeved on the other end of the connecting rod 901, and the limiting ring 902 is sleeved on the connecting rod 901, and the connecting head 5 and the limiting ring 902 are abutted against each other, and the end of the connecting rod 901 away from the pressure plate 8 is provided with an external thread, and the locking nut 904 is rotatably installed on the connecting rod 901 in cooperation with the external thread; the connecting rod 901 is pulled to drive the pressure plate 8 to move, thereby compressing the sealing ring 7, so that the sealing ring 7 bulges outward, and the bulging sealing ring 7 abuts against the inner wall of the water pipe 6 to form a seal, thereby significantly improving the sealing between the water pipe 6 and the connector 5 and avoiding leakage; at the same time, the sealing ring 7 is an arc-shaped sealing ring 7, and the middle part of the sealing ring 7 bulges outward; through the outwardly bulging sealing ring 7, the deformation of the sealing ring 7 can be guided outward, thereby ensuring the stability of the outward deformation of the sealing ring 7 when compressed, and then achieving the purpose of ensuring the sealing; at the same time, a sealing ring 10 is arranged on one side of the pressure plate 8, and the sealing ring 10 abuts against the connector 5 to form a seal, and the connecting rod 901 and the through hole are both arranged on the outside of the sealing ring 10; the sealing ring 10 is used to ensure the sealing between the pressure plate 8 and the connector 5 and avoid water leakage from the through hole.

[0026] A filter bowl 11 is installed on the inner wall of the connector 5 on the water inlet pipe 3; a limiting groove 12 is provided on the connector 5 on the water inlet pipe 3, and a limiting block 13 matched with the limiting groove 12 is provided on the outer wall of the filter bowl 11; through the cooperation of the limiting block 13 and the limiting groove 12, the filter bowl 11 can be limited and installed, and at the same time, when the pressing plate 8 is pulled, the pressing plate 8 can limit the limiting block 13, thereby limiting the filter bowl 11; a clamping groove 14 is provided on the pressing plate 8 at the water inlet pipe 3, and the clamping groove 14 can facilitate the limiting block 13 on the filter bowl 11 to pass through the pressing plate 8, and then facilitate the filter bowl 11 to enter the connector 5, and the clamping groove 14 and the limiting groove 12 are staggered, and then the limiting block 13 is clamped into the limiting groove 12, and the staggered clamping groove 14 and the limiting groove 12 can prevent the filter bowl 11 from detaching from the clamping groove 14 during use.

[0027] Working principle: During the use of the present invention, first, the connecting thread on the connecting head 5 can be tightened and fixed with the water pipe 6, and then the connecting rod 901 is pulled to drive the pressure plate 8 to move, thereby compressing the sealing ring 7, causing the sealing ring 7 to deform and bulge outward, and then the outwardly bulging sealing ring 7 is abutted against the inner wall of the water pipe 6 to form a seal, thereby ensuring the sealing of the water inlet pipe 3 and the water outlet pipe 4 of the water-gas linkage valve with the external water pipe 6, and then the limit ring 902 is installed on the connecting rod 901, and then the clamping ring 903 is installed, and finally the locking nut 904 is tightened, so that the limit ring 902 and the clamping ring 903 are locked and limited with the connecting rod 901, and then the sealing ring 7 is deformed and limited, thereby ensuring the sealing of the water-gas linkage valve.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A highly sealed water-gas linkage valve, comprising an air valve (1) and a water valve (2) connected to the air valve (1), wherein the water valve (2) is provided with a water inlet pipe (3) and a water outlet pipe (4), characterized in that: A connector (5) is provided on both the water inlet pipe (3) and the water outlet pipe (4), and the connector (5) is connected to the water pipe (6); the device also comprises a sealing ring (7), a pressing plate (8) and a control component (9), wherein the control component (9) is provided on the connecting head (5), the output end of the control component (9) is connected to the pressing plate (8), and the two ends of the sealing ring (7) are respectively connected to the connecting head (5) and the pressing plate (8), and the control component (9) drives the pressing plate (8) to move and compress the sealing ring (7), so that the sealing ring (7) abuts against the inner wall of the water pipe (6) to form a seal.

2. A high-sealing water-gas linkage valve according to claim 1, characterized in that: The control assembly (9) comprises a connecting rod (901), a limiting ring (902), a clamping ring (903) and a locking nut (904); a through hole (15) is provided on the connecting head (5), the connecting rod (901) movably passes through the through hole, one end of the connecting rod (901) is fixedly connected to the pressure plate (8), the limiting ring (902) is sleeved on the other end of the connecting rod (901), the limiting ring (902) is sleeved on the connecting rod (901), and the connecting head (5) and the limiting ring (902) are abutted against each other, an external thread is provided on the end of the connecting rod (901) away from the pressure plate (8), and the locking nut (904) is rotatably installed on the connecting rod (901) in cooperation with the external thread.

3. A high-seal water-gas linkage valve according to claim 2, characterized in that: A sealing ring (10) is arranged on one side of the pressure plate (8), the sealing ring (10) abuts against the connecting head (5) to form a seal, and the connecting rod (901) and the through hole are both arranged on the outside of the sealing ring (10).

4. A high-seal water-gas linkage valve according to claim 1, characterized in that: The sealing ring (7) is an arc-shaped sealing ring (7), and the middle part of the sealing ring (7) bulges outwards.

5. The high-sealing water-gas linkage valve according to claim 1, characterized in that: A filter bowl (11) is installed on the inner wall of the connector (5) on the water inlet pipe (3).

6. A high-seal water-gas linkage valve according to claim 5, characterized in that: A limiting groove (12) is provided on the connector (5), and a limiting block (13) matched with the limiting groove (12) is provided on the outer wall of the filter bowl (11); a clamping groove (14) is provided on the pressing plate (8), and the clamping groove (14) and the limiting groove (12) are arranged alternately.

7. The high-sealing water-gas linkage valve according to claim 1, characterized in that: The outer wall of the connector (5) is provided with a connecting thread, and the connector (5) is connected to the water pipe (6) via the connecting thread.

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