Solenoid valve connecting structure of SCV heating equipment

Abstract

The utility model relates to the field of electromagnetic valve connecting structures, in particular to an SCV heating equipment electromagnetic valve connecting structure which comprises a heating boiler, a heating fluid tank, an electromagnetic valve and a sealing connecting sleeve. An electromagnetic valve used for controlling inlet and outlet of heating fluid is arranged between the heating boiler and the heating fluid tank, the electromagnetic valve comprises a valve body and an electromagnetic control end, two groups of sealing connecting sleeves used for preventing the heating fluid from overflowing from a pipeline are respectively arranged at two ends of the valve body, and each sealing connecting sleeve comprises a first-stage sleeve and a second-stage sleeve; the heating boiler, the heating fluid tank, the electromagnetic valve and the sealing connecting sleeves are combined, so that the sealing connecting sleeves are fixed to the outer sides of the two ends of the valve body of the electromagnetic valve, the effect of double-sealing connection between the electromagnetic valve and the SCV heating equipment is achieved, and heating fluid is prevented from overflowing from the joint of the electromagnetic valve and the SCV heating equipment.

Description

Technical Field

[0001] The utility model relates to the field of solenoid valve connection structures, and particularly to a solenoid valve connection structure for an SCV heating device. Background Art

[0002] In the liquefied natural gas industry, an SCV heating device usually refers to a submerged combustion vaporizer, which is a core heat exchange device widely used in LNG receiving stations. A solenoid valve is an industrial device controlled by electricity magnetism. It is a basic automation component used to control fluids and belongs to an actuator. It is not limited to hydraulic and pneumatic applications. It is used in industrial control systems to adjust the direction, flow rate, speed and other parameters of the medium. The solenoid valve and the SCV heating device are usually connected by a single set of threads.

[0003] In the existing solenoid valve connection structure, during use, it is usually connected by a single set of threads. After long-term use of the solenoid valve, the sealing effect between the solenoid valve and the SCV heating device is likely to be reduced due to thread aging, resulting in the fluid in the pipeline overflowing from the connection between the solenoid valve and the SCV heating device.

[0004] Therefore, in view of the problem that after long-term use of the solenoid valve, the sealing effect between the solenoid valve and the SCV heating device is likely to be reduced due to thread aging, resulting in the fluid in the pipeline overflowing from the connection between the solenoid valve and the SCV heating device, a solenoid valve connection structure for an SCV heating device can be designed. By designing two sets of sealing connection sleeves for preventing the heating fluid from overflowing from the pipeline at the connection between the solenoid valve and the SCV heating device and wrapping them around the outer end of the original connection, the above problems can be easily solved. Summary of the Utility Model

[0005] In order to overcome the problem that in the existing solenoid valve connection structure, during use, it is usually connected by a single set of threads. After long-term use of the solenoid valve, the sealing effect between the solenoid valve and the SCV heating device is likely to be reduced due to thread aging, resulting in the fluid in the pipeline overflowing from the connection between the solenoid valve and the SCV heating device.

[0006] The technical solution of the utility model is: a solenoid valve connection structure for an SCV heating device, including a heating boiler, a heating fluid tank, a solenoid valve and a sealing connection sleeve. A heating fluid tank for supplying heating fluid is arranged outside the heating boiler. A solenoid valve for controlling the entry and exit of the heating fluid is arranged between the heating boiler and the heating fluid tank. The solenoid valve includes a valve body and an electromagnetic control end. Two sets of sealing connection sleeves for preventing the heating fluid from overflowing from the pipeline are respectively arranged at both ends of the valve body. The sealing connection sleeve includes a primary sleeve and a secondary sleeve.

[0007] Preferably, by combining a heating boiler, a heating fluid tank, a solenoid valve and a sealing connecting sleeve, compared with the current market situation where the two ends of the solenoid valve body are connected to the SCV heating device by screwing with a single set of threads, in this application, the sealing connecting sleeve is fixed on the outer sides of the two ends of the solenoid valve body, playing a role of double-sealed connection between the solenoid valve and the SCV heating device, and preventing the heating fluid from overflowing from the connection between the solenoid valve and the SCV heating device.

[0008] Preferably, a primary fluid delivery pipe is provided at the upper end of the heating fluid tank and extends into the interior of the heating fluid tank. A secondary fluid delivery pipe is provided at the center of the heating boiler and extends into the interior of the heating boiler. By combining the primary fluid delivery pipe and the secondary fluid delivery pipe, the heating fluid in the heating fluid tank is delivered into the heating boiler for heating through the primary fluid delivery pipe and the secondary fluid delivery pipe.

[0009] Preferably, two sets of valve connecting pipes are respectively provided at the upper ends of the primary fluid delivery pipe and the secondary fluid delivery pipe. The remote ends of the two sets of valve connecting pipes are respectively connected to the primary fluid delivery pipe and the secondary fluid delivery pipe. Third-level thread grooves are respectively provided on the outer sides of the adjacent ends of the two sets of valve connecting pipes. Connecting joints are respectively provided at the adjacent ends of the two sets of valve connecting pipes. A third-level thread sleeve is sleeved on the outer end of the connecting joint. By combining the connecting joint and the two sets of valve connecting pipes, the heating boiler and the heating fluid tank can be connected through the solenoid valve, enabling the solenoid valve to control the delivery speed of the heating fluid.

[0010] Preferably, first-level thread grooves are respectively provided on the outer sides of the two ends of the valve body, and second-level thread grooves are respectively provided on the inner sides of the two ends of the valve body. The second-level thread grooves are arranged to be mutually matched with the third-level thread sleeve. By combining the second-level thread grooves and the third-level thread sleeve, the valve body can be tightened along the third-level thread sleeve of the connecting joint through the second-level thread grooves, playing a role of primary connection.

[0011] Preferably, the secondary sleeve is located at the front end of the primary sleeve, a connecting ring is provided between the secondary sleeve and the primary sleeve, and the secondary sleeve and the primary sleeve are fixedly connected through the connecting ring. A first-level thread sleeve is provided on the inner wall of the primary sleeve and is arranged to be mutually matched with the first-level thread groove. A second-level thread sleeve is provided on the inner wall of the secondary sleeve and is arranged to be mutually matched with the third-level thread groove. By combining the primary sleeve and the secondary sleeve, after the primary connection between the valve body and the valve connecting pipe, the staff can turn the sealing connecting sleeve, enabling the primary sleeve to turn along the first-level thread groove on the outer sides of the two ends of the valve body through the first-level thread sleeve, and enabling the secondary sleeve to turn along the third-level thread groove of the valve connecting pipe through the second-level thread sleeve, playing a role of secondary sealed connection.

[0012] Preferably, twelve groups of anti-slip strips are provided at the outer ends of the first-level sleeve and the second-level sleeve. The twelve groups of anti-slip strips are arranged around the outer ends of the first-level sleeve and the second-level sleeve. Through the combination of the twelve groups of anti-slip strips, when the staff twists the sealed connecting sleeve, the twelve groups of anti-slip strips can prevent slipping and avoid the situation that the sealed connecting sleeve is not twisted in place.

[0013] Preferably, the valve body is located between the first-level fluid delivery pipe and the second-level fluid delivery pipe, and an electromagnetic control end is provided above the valve body. Through the combination of the valve body and the electromagnetic control end, the staff can connect the electromagnetic control end to an external power source, so that the electromagnetic control end can drive the valve body to control the flow rate of the heating fluid.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. Through the combination of the heating boiler, the heating fluid tank, the solenoid valve and the sealed connecting sleeve, compared with the current market situation where the two ends of the solenoid valve body are connected to the SCV heating device by twisting with a single set of threads, in this application, by fixing the sealed connecting sleeve outside the two ends of the solenoid valve body, it plays a role of double-sealed connection between the solenoid valve and the SCV heating device, avoiding the overflow of the heating fluid from the connection between the solenoid valve and the SCV heating device.

[0016] 2. Through the combination of the first-level fluid delivery pipe and the second-level fluid delivery pipe, the heating fluid in the heating fluid tank is transported into the heating boiler through the first-level fluid delivery pipe and the second-level fluid delivery pipe. Through the combination of the connection joint and the two valve connecting pipes, the heating boiler and the heating fluid tank can be connected through the solenoid valve, enabling the solenoid valve to control the delivery speed of the heating fluid. Through the combination of the second-level thread groove and the third-level thread sleeve, the valve body can be tightened along the third-level thread sleeve of the connection joint through the second-level thread groove, playing a role of primary connection.

[0017] 3. Through the combination of the first-level sleeve and the second-level sleeve, after the primary connection between the valve body and the valve connecting pipe, the staff can twist the sealed connecting sleeve, so that the first-level sleeve twists along the first-level thread groove outside the two ends of the valve body through the first-level thread sleeve, and the second-level sleeve twists along the third-level thread groove of the valve connecting pipe through the second-level thread sleeve, playing a role of secondary sealed connection. Through the combination of the twelve groups of anti-slip strips, when the staff twists the sealed connecting sleeve, the twelve groups of anti-slip strips can prevent slipping and avoid the situation that the sealed connecting sleeve is not twisted in place. Through the combination of the valve body and the electromagnetic control end, the staff can connect the electromagnetic control end to an external power source, so that the electromagnetic control end can drive the valve body to control the flow rate of the heating fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It shows the overall structural schematic diagram of the solenoid valve connection structure of the present utility model;

[0019] Figure 2The figure shows a schematic diagram of the heating boiler structure of the solenoid valve connection structure of the present utility model;

[0020] Figure 3 The figure shows a schematic diagram of the sealed connection sleeve structure of the solenoid valve connection structure of the present utility model;

[0021] Figure 4 The figure shows a schematic diagram of the solenoid valve structure of the solenoid valve connection structure of the present utility model.

[0022] Explanation of reference numerals: 1, heating boiler; 2, heating fluid tank; 3, sealed connection sleeve; 301, first-level sleeve; 302, second-level sleeve; 303, connecting ring; 304, first-level threaded sleeve; 305, second-level threaded sleeve; 306, anti-slip strip; 4, solenoid valve; 401, valve body; 402, electromagnetic control end; 403, first-level threaded groove; 404, second-level threaded groove; 5, first-level fluid delivery pipe; 6, second-level fluid delivery pipe; 7, valve connection pipe; 8, third-level threaded groove; 9, connection joint; 10, third-level threaded sleeve. Detailed implementation manners

[0023] The present utility model will be further described below with reference to the drawings and embodiments.

[0024] Please refer to Figures 1 - 4 , the present utility model provides an embodiment: a solenoid valve 4 connection structure of an SCV heating device, including a heating boiler 1, a heating fluid tank 2, a solenoid valve 4 and a sealed connection sleeve 3. A heating fluid tank 2 for supplying heating fluid is provided outside the heating boiler 1. A solenoid valve 4 for controlling the entry and exit of the heating fluid is provided between the heating boiler 1 and the heating fluid tank 2. The solenoid valve 4 includes a valve body 401 and an electromagnetic control end 402. Two groups of sealed connection sleeves 3 for preventing the heating fluid from overflowing from the pipeline are respectively provided at both ends of the valve body 401. The sealed connection sleeve 3 includes a first-level sleeve 301 and a second-level sleeve 302.

[0025] Please refer to Figures 1 - 2, in this embodiment, a primary fluid delivery pipe 5 is provided at the upper end of the heating fluid tank 2. The primary fluid delivery pipe 5 extends into the interior of the heating fluid tank 2. A secondary fluid delivery pipe 6 is provided at the center of the heating boiler 1, and the secondary fluid delivery pipe 6 extends into the interior of the heating boiler 1. By combining the primary fluid delivery pipe 5 and the secondary fluid delivery pipe 6, the heating fluid in the heating fluid tank 2 is transported into the heating boiler 1 for heating through the primary fluid delivery pipe 5 and the secondary fluid delivery pipe 6. Two groups of valve connection pipes 7 are respectively provided at the upper ends of the primary fluid delivery pipe 5 and the secondary fluid delivery pipe 6. The remote ends of the two groups of valve connection pipes 7 are respectively connected to the primary fluid delivery pipe 5 and the secondary fluid delivery pipe 6. Thread grooves 8 of the third level are provided on the outer sides of the adjacent ends of the two groups of valve connection pipes 7. Connection joints 9 are provided at the adjacent ends of the two groups of valve connection pipes 7. A third-level thread sleeve 10 is sleeved on the outer end of the connection joint 9. By combining the connection joint 9 with the two groups of valve connection pipes 7, the heating boiler 1 and the heating fluid tank 2 can be connected through the solenoid valve 4, enabling the solenoid valve 4 to control the delivery speed of the heating fluid.

[0026] Please refer to Figures 3 - 4, in this embodiment, first-level threaded grooves 403 are provided on the outer sides of both ends of the valve body 401, and second-level threaded grooves 404 are provided on the inner sides of both ends of the valve body 401. The second-level threaded grooves 404 are arranged to match the third-level threaded sleeves 10. By combining the second-level threaded grooves 404 with the third-level threaded sleeves 10, the valve body 401 can be tightened along the third-level threaded sleeves 10 of the connecting joint 9 through the second-level threaded grooves 404, playing a role in primary connection. The second-level sleeve 302 is located at the front end of the first-level sleeve 301. A connecting ring 303 is provided between the second-level sleeve 302 and the first-level sleeve 301. The second-level sleeve 302 and the first-level sleeve 301 are fixedly connected through the connecting ring 303. A first-level threaded sleeve 304 is provided on the inner wall of the first-level sleeve 301. The first-level threaded sleeve 304 is arranged to match the first-level threaded grooves 403. A second-level threaded sleeve 305 is provided on the inner wall of the second-level sleeve 302. The second-level threaded sleeve 305 is arranged to match the third-level threaded grooves 8. By combining the first-level sleeve 301 with the second-level sleeve 302, after the valve body 401 is primarily connected to the valve connecting pipe 7, the staff can turn the sealing connecting sleeve 3, so that the first-level sleeve 301 turns along the first-level threaded grooves 403 on the outer sides of both ends of the valve body 401 through the first-level threaded sleeve 304, and the second-level sleeve 302 turns along the third-level threaded grooves 8 of the valve connecting pipe 7 through the second-level threaded sleeve 305, playing a role in secondary sealing connection. Twelve anti-slip strips 306 are provided on the outer ends of both the first-level sleeve 301 and the second-level sleeve 302. The twelve anti-slip strips 306 are arranged to surround the outer ends of the first-level sleeve 301 and the second-level sleeve 302. By combining the twelve anti-slip strips 306, when the staff turns the sealing connecting sleeve 3, the twelve anti-slip strips 306 can prevent slipping and avoid the situation that the sealing connecting sleeve 3 is not turned in place. The valve body 401 is located between the first-level fluid delivery pipe 5 and the second-level fluid delivery pipe 6. An electromagnetic control end 402 is provided above the valve body 401. By combining the valve body 401 with the electromagnetic control end 402, the staff can connect the electromagnetic control end 402 to an external power supply, so that the electromagnetic control end 402 can drive the valve body 401 to control the flow rate of the heating fluid.

[0027] When working, the staff first combines the second-level threaded grooves 404 with the third-level threaded sleeves 10, and tightens the valve body 401 along the third-level threaded sleeves 10 of the connecting joint 9 through the second-level threaded grooves 404, initially connecting the heating boiler 1, the solenoid valve 4 and the heating fluid tank 2, playing a role in primary connection.

[0028] Then the staff can turn the sealing connecting sleeve 3, so that the first-level sleeve 301 turns along the first-level threaded grooves 403 on the outer sides of both ends of the valve body 401 through the first-level threaded sleeve 304, and the second-level sleeve 302 turns along the third-level threaded grooves 8 of the valve connecting pipe 7 through the second-level threaded sleeve 305, so that the sealing connecting sleeve 3 wraps around the outer end of the connection between the valve body 401 and the valve connecting pipe 7, playing a role in secondary sealing connection.

[0029] Through the above steps, the staff first combines the secondary thread groove 404 with the tertiary thread sleeve 10, screws the valve body 401 along the tertiary thread sleeve 10 of the connection joint 9 through the secondary thread groove 404, and preliminarily connects the heating boiler 1, the solenoid valve 4 and the heating fluid tank 2. Then, turn the sealing connection sleeve 3, so that the primary sleeve 301 screws along the primary thread groove 403 on the outer sides of both ends of the valve body 401 through the primary thread sleeve 304, and the secondary sleeve 302 screws along the tertiary thread groove 8 of the valve connection pipe 7 through the secondary thread sleeve 305, so that the sealing connection sleeve 3 wraps around the outer end of the connection part.

Claims

1. A connecting structure of a solenoid valve (4) for an SCV heating device, comprising a heating boiler (1); characterized in that: It also includes a heating fluid tank (2), a solenoid valve (4) and a sealing connection sleeve (3). A heating fluid tank (2) for supplying heating fluid is provided outside the heating boiler (1). A solenoid valve (4) for controlling the inflow and outflow of the heating fluid is provided between the heating boiler (1) and the heating fluid tank (2). The solenoid valve (4) includes a valve body (401) and an electromagnetic control end (402). Two groups of sealing connection sleeves (3) for preventing the heating fluid from overflowing from the pipeline are respectively provided at both ends of the valve body (401). The sealing connection sleeve (3) includes a first-stage sleeve (301) and a second-stage sleeve (302).

2. The connection structure of the solenoid valve (4) of an SCV heating device according to claim 1, characterized in that: A first-stage fluid delivery pipe (5) is provided at the upper end of the heating fluid tank (2). The first-stage fluid delivery pipe (5) extends into the interior of the heating fluid tank (2). A second-stage fluid delivery pipe (6) is provided at the center of the heating boiler (1). The second-stage fluid delivery pipe (6) extends into the interior of the heating boiler (1).

3. The connecting structure of the solenoid valve (4) of an SCV heating device according to claim 2, characterized in that: Two groups of valve connection pipes (7) are respectively provided at the upper ends of the first-stage fluid delivery pipe (5) and the second-stage fluid delivery pipe (6). The remote ends of the two groups of valve connection pipes (7) are respectively connected to the first-stage fluid delivery pipe (5) and the second-stage fluid delivery pipe (6). Third-stage thread grooves (8) are respectively provided on the outer sides of the adjacent ends of the two groups of valve connection pipes (7). Connection joints (9) are respectively provided at the adjacent ends of the two groups of valve connection pipes (7). A third-stage thread sleeve (10) is sleeved on the outer end of the connection joint (9).

4. The connection structure of the solenoid valve (4) of an SCV heating device according to claim 1, characterized in that: First-stage thread grooves (403) are respectively provided on the outer sides of both ends of the valve body (401). Second-stage thread grooves (404) are respectively provided on the inner sides of both ends of the valve body (401). The second-stage thread grooves (404) and the third-stage thread sleeve (10) are arranged in a matching manner.

5. The connection structure of the solenoid valve (4) of an SCV heating device according to claim 1, characterized in that: The second-stage sleeve (302) is located at the front end of the first-stage sleeve (301). A connection ring (303) is provided between the second-stage sleeve (302) and the first-stage sleeve (301). The second-stage sleeve (302) and the first-stage sleeve (301) are fixedly connected through the connection ring (303). A first-stage thread sleeve (304) is provided on the inner wall of the first-stage sleeve (301). The first-stage thread sleeve (304) and the first-stage thread groove (403) are arranged in a matching manner. A second-stage thread sleeve (305) is provided on the inner wall of the second-stage sleeve (302). The second-stage thread sleeve (305) and the third-stage thread groove (8) are arranged in a matching manner.

6. The connecting structure of the solenoid valve (4) of an SCV heating device according to claim 5, characterized in that: Twelve groups of anti-slip strips (306) are respectively provided at the outer ends of the first-stage sleeve (301) and the second-stage sleeve (302). The twelve groups of anti-slip strips (306) are arranged in a surrounding manner along the outer ends of the first-stage sleeve (301) and the second-stage sleeve (302).

7. The connecting structure of the solenoid valve (4) of an SCV heating device according to claim 1, characterized in that: The valve body (401) is located between the first-stage fluid delivery pipe (5) and the second-stage fluid delivery pipe (6). An electromagnetic control end (402) is provided above the valve body (401).

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