Anti-frosting high-sealing electromagnetic expansion valve

Abstract

The utility model provides an anti-frosting high-sealing electromagnetic expansion valve which comprises a valve body, a driving assembly is arranged in the top of the valve body and comprises an electromagnetic coil, an electromagnetic block, a reset spring and a movable iron core, and a first circulation assembly is arranged in the valve body and comprises a first valve seat, a balance hole channel and a pressure relief hole channel. The second circulation assembly is arranged in the valve body, and the circulation assembly is arranged at the bottom of the constant-temperature cavity. According to the anti-frosting high-sealing electromagnetic expansion valve, the second circulation assembly in the valve body can be controlled to move through the driving assembly, so that the effect of adjusting the flow of a medium in the valve body is achieved, and meanwhile the piston can be driven to move through the movable iron core; and therefore, the heated liquid in the constant-temperature cavity is pumped into the heating pipeline, and meanwhile, the liquid in the heating pipeline can be pumped into the constant-temperature cavity again for heating circulation, so that the interior of the valve body is kept at a constant temperature, and the interior of the valve body is prevented from being condensed and frosted.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic expansion valve design, in particular to an anti-frost high-seal electromagnetic expansion valve. Background Art

[0002] Solenoid valves are electromagnetically controlled industrial devices. They are basic automation components used to control fluids. They are actuators, not limited to hydraulic or pneumatic systems. They are used in industrial control systems to adjust the direction, flow, speed, and other parameters of media.

[0003] The electromagnetic expansion valve is mainly composed of an electromagnetic coil, a magnetic core, a push rod, a valve core and a spring. When the electromagnetic coil is connected to the power supply, the current will generate a magnetic field, which will attract the magnetic core and push the push rod upward. At this time, the valve core is separated from the valve seat, and the medium flows through the valve. However, in cold weather, frost is easily condensed inside the electromagnetic expansion valve, making the solenoid valve unable to move, thereby affecting the operation of the equipment.

[0004] Therefore, it is necessary to provide an anti-frost high-sealing electromagnetic expansion valve to solve the above technical problems. Utility Model Content

[0005] The utility model provides an anti-frost high-sealing electromagnetic expansion valve, which solves the problem that frost is easily condensed inside the electromagnetic valve in cold weather.

[0006] In order to solve the above technical problems, the utility model provides an anti-frost high-sealing electromagnetic expansion valve, comprising: a valve body, a driving assembly is arranged inside the top of the valve body, and the driving assembly includes an electromagnetic coil, an electromagnetic block, a return spring and a moving iron core;

[0007] a first circulation component, the first circulation component being disposed inside the valve body, the first circulation component comprising a first valve seat, a balancing channel, and a pressure relief channel;

[0008] a second circulation component, the second circulation component being arranged inside the valve body, the second circulation component comprising a second valve seat, a main valve core and a diaphragm;

[0009] A thermostatic component is provided on the top of the valve body, and includes a thermostatic chamber and a thermostat;

[0010] A circulation component is arranged at the bottom of the constant temperature chamber, and the circulation component includes a buffer tank, a piston, a transmission rod and a heating pipe.

[0011] Preferably, the electromagnetic coil is fixedly mounted inside the top of the valve body, the electromagnetic block is fixedly mounted on the inner surface of the top of the valve body, the return spring is fixedly connected to the bottom of the electromagnetic block, and the moving iron core is fixedly connected to the bottom of the return spring.

[0012] Preferably, the first valve seat is fixedly connected to the interior of the valve body, the balancing channel is opened inside the valve body, and the pressure relief channel is opened inside the valve body.

[0013] Preferably, the second valve seat is fixedly connected to the inner surface of the bottom of the valve body, the main valve core is movably connected to the surface of the second valve seat, and the diaphragm is fixedly connected to the surface of the main valve core.

[0014] Preferably, the constant temperature chamber is fixedly connected to the surface of the top of the valve body, and the thermostat is fixedly installed on the inner surface of the constant temperature chamber.

[0015] Preferably, the buffer tank is fixedly connected to the bottom of the constant temperature chamber, the piston is movably embedded in the buffer tank, one end of the transmission rod is movably connected to the surface of the piston, the other end of the transmission rod is movably connected to the bottom of both ends of the moving iron core, and the heating pipe is opened in the inner wall of the valve body.

[0016] Compared with the related art, the anti-frost high-sealing electromagnetic expansion valve provided by the utility model has the following beneficial effects:

[0017] The utility model provides an anti-frost high-sealing electromagnetic expansion valve, which can control the movement of the second circulation component in the valve body through the driving component to adjust the flow of the medium inside the valve body. At the same time, the piston can be driven to move by the moving iron core, so that the liquid heated in the constant temperature chamber is pumped into the interior of the heating pipe. At the same time, the liquid in the heating pipe can be pumped into the constant temperature chamber again for heating circulation, so that the internal temperature of the valve body is kept constant, preventing frost from condensing inside the valve body in cold weather, which makes the driving component and the second circulation component unable to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of a preferred embodiment of an anti-frost high-sealing electromagnetic expansion valve provided by the utility model;

[0019] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;

[0020] Figure 3 for Figure 1 An enlarged schematic diagram of part B is shown.

[0021] Numbers in the figure: 1, valve body,

[0022] 2. Drive assembly, 21. Electromagnetic coil, 22. Electromagnetic block, 23. Return spring, 24. Moving iron core,

[0023] 3. First flow component, 31. First valve seat, 32. Balance channel, 33. Pressure relief channel,

[0024] 4. Second circulation component, 41. Second valve seat, 42. Main valve core, 43. Diaphragm,

[0025] 5. Constant temperature assembly, 51. Constant temperature chamber, 52. Thermostat,

[0026] 6. Circulation assembly, 61. Buffer tank, 62. Piston, 63. Transmission rod, 64. Heating pipe. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0028] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of an anti-frost high-sealing electromagnetic expansion valve provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 1 An enlarged schematic diagram of part B is shown. An anti-frost high-sealing electromagnetic expansion valve comprises: a valve body 1, a driving assembly 2 disposed within the top of the valve body 1, the driving assembly 2 comprising an electromagnetic coil 21, an electromagnetic block 22, a return spring 23, and a moving iron core 24;

[0029] A first circulation component 3, which is disposed inside the valve body 1 and includes a first valve seat 31, a balancing hole 32, and a pressure relief hole 33;

[0030] A second circulation component 4 is provided inside the valve body 1 and includes a second valve seat 41 , a main valve core 42 and a diaphragm 43 ;

[0031] A thermostatic component 5 is provided on the top of the valve body 1 and includes a thermostatic chamber 51 and a thermostat 52;

[0032] The circulation component 6 is arranged at the bottom of the constant temperature chamber 51 , and the circulation component 6 includes a buffer tank 61 , a piston 62 , a transmission rod 63 and a heating pipe 64 .

[0033] The valve body 1 is a pipe with a motor fixedly connected to the top. The driving component 2 is arranged inside the motor. The function of the driving component 2 is to use electromagnetic driving to move the moving iron core 24 and the main valve core 42 to complete the circulation of the medium. The function of the first circulation component 3 is to connect and seal. The function of the second circulation component 4 is to complete the circulation of the medium by moving while sealing. The function of the constant temperature component 5 is to heat the liquid and maintain a constant temperature. The function of the circulation component 6 is to draw the liquid inside the constant temperature chamber 51 into the heating pipe 64 and at the same time draw the liquid inside the heating pipe 64 into the constant temperature chamber 51 to complete the circulation heating of the liquid.

[0034] The electromagnetic coil 21 is fixedly installed inside the top of the valve body 1, the electromagnetic block 22 is fixedly installed on the inner surface of the top of the valve body 1, the return spring 23 is fixedly connected to the bottom of the electromagnetic block 22, and the moving iron core 24 is fixedly connected to the bottom of the return spring 23.

[0035] When the electromagnetic coil 21 is powered on, the current will generate a magnetic field, causing the electromagnetic block 22 to attract the moving iron core 24 to move upward, the return spring 23 to compress, and the moving iron core 24 to separate from the first valve seat 31. When the power is disconnected, the electromagnetic force of the electromagnetic coil 21 disappears, the return spring 23 pushes the moving iron core 24 downward, and the moving iron core 24 re-attaches to the first valve seat 31.

[0036] The first valve seat 31 is fixedly connected to the interior of the valve body 1 , the balancing hole 32 is opened in the interior of the valve body 1 , and the pressure relief hole 33 is opened in the interior of the valve body 1 .

[0037] When the moving iron core 24 is in contact with the first valve seat 31, the interior of the valve body 1 is sealed and the medium cannot flow. When the moving iron core 24 is separated from the first valve seat 31, the medium flows into the other end of the valve body 1 through the balancing channel 32, the pressure relief channel 33, and between the second valve seat 41 and the main valve core 42, completing the circulation of the medium.

[0038] The second valve seat 41 is fixedly connected to the inner surface of the bottom of the valve body 1 , the main valve core 42 is movably connected to the surface of the second valve seat 41 , and the diaphragm 43 is fixedly connected to the surface of the main valve core 42 .

[0039] When no power is supplied, the moving iron core 24 is in contact with the first valve seat 31, and the main valve core 42 is in contact with the second valve seat 41, so that the medium cannot flow. When power is supplied, the electromagnetic block 22 generates magnetic force, attracting the moving iron core 24 to move upward, and the moving iron core 24 attracts the main valve core 42 to move upward, and the main valve core 42 is separated from the second valve seat 41. The medium inside the valve body 1 flows into the other end through the space between the second valve seat 41 and the main valve core 42.

[0040] The constant temperature chamber 51 is fixedly connected to the top surface of the valve body 1 , and the thermostat 52 is fixedly installed on the inner surface of the constant temperature chamber 51 .

[0041] The constant temperature chamber 51 is annular and fixedly connected to the outer surface of the motor at the top of the valve body 1. A plurality of thermostats 52 are installed inside the constant temperature chamber 51 to heat the liquid inside the constant temperature chamber 51 and maintain a constant temperature.

[0042] The buffer groove 61 is fixedly connected to the bottom of the constant temperature chamber 51, the piston 62 is movably embedded in the buffer groove 61, one end of the transmission rod 63 is movably connected to the surface of the piston 62, and the other end of the transmission rod 63 is movably connected to the bottom of both ends of the moving iron core 24, and the heating pipe 64 is opened in the inner wall of the valve body 1.

[0043] There are two circulation components 6. The two buffer tanks 61 are fixedly connected to the left and right ends of the bottom of the constant temperature chamber 51 through a tube. The two pistons 62 are L-shaped and are movably embedded in the interior of the two buffer tanks 61. One end of the two transmission rods 63 is respectively rotatably connected to the adjacent ends of the two pistons 62, and the other end is respectively rotatably connected to the left and right ends of the bottom of the moving iron core 24. When the moving iron core 24 is connected to the first valve seat 31, the left end piston 62 seals the left end of the heating pipe 64, and the right end piston 62 seals the right end. The connection between the buffer tank 61 and the constant temperature chamber 51 is blocked, and the liquid inside the constant temperature chamber 51 and the heating pipe 64 no longer circulates. When the electromagnetic coil 21 is energized, the moving iron core 24 drives the other ends of the two transmission rods 63 to move upward, and one end of the two transmission rods 63 pulls the two pistons 62 to slide relative to each other. The right end piston 62 draws the liquid inside the constant temperature chamber 51 into the interior of the heating pipe 64, and the left end piston 62 draws the liquid in the heating pipe 64 into the interior of the constant temperature chamber 51 for heating, thus circulating.

[0044] The working principle of the anti-frost high-seal electromagnetic expansion valve provided by the utility model is as follows:

[0045] When the electromagnetic coil 21 is powered on, the current will generate a magnetic field, causing the electromagnetic block 22 to attract the moving iron core 24 to move upward. At this time, the moving iron core 24 attracts the main valve core 42 to move upward, and the main valve core 42 is separated from the second valve seat 41. The medium flows through the balancing channel 32 and the pressure relief channel 33 to complete the circulation of the medium. In this process, the moving iron core 24 drives the other end of the two transmission rods 63 to move upward, and the angles of the two transmission rods 63 change. One end pulls the two pistons 62 to slide respectively. The right end piston 62 draws the heated liquid inside the constant temperature chamber 51 into the inside of the buffer tank 61, and then flows into the inside of the heating pipe 64. The left end piston 62 draws the liquid after the heat energy released from the heating pipe 64 into the inside of the left end buffer tank 61, and finally overflows into the inside of the constant temperature chamber 51 and is heated again, thereby circulating to achieve a constant temperature inside the valve body 1.

[0046] Compared with the related art, the anti-frost high-sealing electromagnetic expansion valve provided by the utility model has the following beneficial effects:

[0047] The utility model provides an anti-frost high-sealing electromagnetic expansion valve, which can control the movement of the second circulation component 4 in the valve body 1 through the driving component 2 to adjust the flow of the medium inside the valve body 1. At the same time, the piston 62 can be driven to move by the moving iron core 24, so that the heated liquid in the constant temperature chamber 51 is pumped into the heating pipe 64. At the same time, the liquid in the heating pipe 64 can be pumped into the constant temperature chamber 51 again for heating circulation, so that the internal temperature of the valve body 1 is kept constant, preventing frost from condensing inside the valve body 1 in cold weather, which makes the driving component 2 and the second circulation component 4 unable to move.

[0048] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An anti-frost high-sealing electromagnetic expansion valve, characterized in that: include: A valve body, wherein a driving assembly is provided inside the top of the valve body, and the driving assembly includes an electromagnetic coil, an electromagnetic block, a return spring and a moving iron core; a first circulation component, the first circulation component being disposed inside the valve body, the first circulation component comprising a first valve seat, a balancing channel, and a pressure relief channel; a second circulation component, the second circulation component being arranged inside the valve body, the second circulation component comprising a second valve seat, a main valve core and a diaphragm; A thermostatic component is provided on the top of the valve body, and includes a thermostatic chamber and a thermostat; A circulation component is arranged at the bottom of the constant temperature chamber, and the circulation component includes a buffer tank, a piston, a transmission rod and a heating pipe.

2. The anti-frost high-sealing electromagnetic expansion valve according to claim 1, characterized in that: The electromagnetic coil is fixedly installed inside the top of the valve body, the electromagnetic block is fixedly installed on the inner surface of the top of the valve body, the return spring is fixedly connected to the bottom of the electromagnetic block, and the moving iron core is fixedly connected to the bottom of the return spring.

3. The anti-frost high-sealing electromagnetic expansion valve according to claim 1, characterized in that: The first valve seat is fixedly connected to the interior of the valve body, the balancing channel is opened in the interior of the valve body, and the pressure relief channel is opened in the interior of the valve body.

4. The anti-frost high-sealing electromagnetic expansion valve according to claim 1, characterized in that: The second valve seat is fixedly connected to the inner surface of the bottom of the valve body, the main valve core is movably connected to the surface of the second valve seat, and the diaphragm is fixedly connected to the surface of the main valve core.

5. The anti-frost high-sealing electromagnetic expansion valve according to claim 1, characterized in that: The constant temperature chamber is fixedly connected to the surface of the top of the valve body, and the thermostat is fixedly installed on the inner surface of the constant temperature chamber.

6. The anti-frost high-sealing electromagnetic expansion valve according to claim 1, characterized in that: The buffer tank is fixedly connected to the bottom of the constant temperature chamber, the piston is movably embedded in the buffer tank, one end of the transmission rod is movably connected to the surface of the piston, and the other end of the transmission rod is movably connected to the bottom of both ends of the moving iron core, and the heating pipe is opened in the inner wall of the valve body.

Images