WO2023179797A1 - 电磁截止阀 - Google Patents
电磁截止阀 Download PDFInfo
- Publication number
- WO2023179797A1 WO2023179797A1 PCT/CN2023/084211 CN2023084211W WO2023179797A1 WO 2023179797 A1 WO2023179797 A1 WO 2023179797A1 CN 2023084211 W CN2023084211 W CN 2023084211W WO 2023179797 A1 WO2023179797 A1 WO 2023179797A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- iron core
- valve
- moving iron
- hole
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
Definitions
- the present application relates to the technical field of solenoid valves, specifically, to an electromagnetic stop valve.
- the existing electromagnetic stop valve has many structural components. During the installation process, multiple components need to be installed into the containing cavity and then adjusted and fixed. This will increase the time required for installation of the device, resulting in electromagnetic The problem of low installation efficiency of stop valve.
- This application provides an electromagnetic stop valve to solve the problem of low installation efficiency of the electromagnetic stop valve in the prior art.
- an electromagnetic stop valve which includes: a valve body having an accommodating cavity, the valve body is also provided with a valve port, and the valve port is connected to the accommodating cavity; and a fixed iron core is disposed in the accommodating cavity. ;
- the moving iron core assembly is movably arranged in the accommodation cavity.
- the fixed iron core and the moving iron core assembly are distributed along the axial direction of the valve body.
- the moving iron core assembly has a second end, and the second end of the moving iron core assembly corresponds to the valve body.
- the valve port is set, and the fixed iron core can drive the moving iron core assembly to move, so that the second end of the moving iron core assembly blocks or opens the valve port.
- one end of the moving iron core assembly only needs to be set correspondingly to the fixed iron core, and the other end of the moving iron core assembly is set corresponding to the valve port, thereby meeting the use needs of the device.
- Providing the above structure not only facilitates the installation of the device, but also effectively improves the installation efficiency of the device.
- the end surface of the second end of the moving iron core assembly is flat.
- the end surface of the second end of the moving iron core assembly abuts the end surface of the valve port.
- valve body includes a body and a valve seat.
- the body has a mounting hole.
- the valve seat is connected to the body and is located in the mounting hole.
- the valve seat has a valve port.
- the electromagnetic stop valve also includes a first sealing member.
- the first sealing member is disposed between the moving iron core assembly and the installation between the holes, and the first sealing member is arranged around the outer periphery of the second end of the moving iron core assembly.
- the moving iron core assembly has a first balance channel, and the first balance channel runs through the first end and the second end of the moving iron core assembly.
- the first balance channel includes a first hole section, a second hole section and a third hole section connected in sequence, the third hole section is arranged close to the valve port, the diameter of the third hole section is greater than the diameter of the first hole section, and the third hole section is arranged close to the valve port.
- the diameter of one hole segment is greater than the diameter of the second hole segment.
- the diameter of the third hole section is set to be larger than the diameter of the first hole section and the second hole section, which can It realizes the large-diameter internal balancing function of the device, and at the same time, the inner diameter size of the third hole section can be adjusted according to the flow demand of the valve port, which can improve the applicability of the device and thus increase the use range of the device.
- the fixed iron core is arranged at an end of the accommodation cavity away from the valve port, and the moving iron core assembly is located at an end of the fixed iron core close to the valve port.
- the electromagnetic stop valve further includes a first elastic member.
- the first elastic member is disposed between the fixed iron core and the moving iron core assembly. One end of the first elastic member is connected to the fixed iron core, and the other end of the first elastic member is connected to the fixed iron core.
- the moving iron core component is connected and located in the first hole section.
- the electromagnetic stop valve further includes a second sealing member.
- the second sealing member is provided on the outer wall of the moving iron core assembly and is located in the middle of the moving iron core assembly.
- the second sealing member can cooperate with the side wall of the accommodation cavity for sealing. .
- the second sealing member is used to seal the connection between the accommodation cavity and the moving iron core assembly to avoid medium leakage there, thereby further improving the sealing effect of the device.
- Figure 1 shows a schematic structural diagram of an electromagnetic stop valve provided according to Embodiment 1 of the present application
- Figure 2 shows a schematic structural diagram of an electromagnetic stop valve provided according to Embodiment 2 of the present application
- Figure 3 shows a cross-sectional view of the moving iron core of the electromagnetic stop valve provided according to Embodiment 3 of the present application when it is in the initial position;
- Figure 4 shows a schematic structural diagram of the position of the moving iron core of the electromagnetic stop valve provided according to Embodiment 3 of the present application when it is in the mating position;
- FIG. 5 shows a schematic structural diagram of the magnetic part of the moving iron core and the valve core of the electromagnetic stop valve provided according to Embodiment 3 of the present application when they are attached to each other.
- Valve body 101. Accommodation cavity; 102. Valve port; 103. Flow hole;
- the first hole section 302.
- the second hole section 303.
- valve core 60. Valve core; 61. First section; 62. Second section; 63. First through hole; 64. Second through hole;
- Embodiment 1 of the present application provides an electromagnetic stop valve.
- the electromagnetic stop valve includes a valve body 10 , a fixed iron core 20 and a moving iron core assembly 30 .
- the valve body 10 has an accommodating cavity 101, and a valve port 102 is also provided on the valve body 10.
- the valve port 102 is connected with the accommodating cavity 101, the fixed iron core 20 is arranged in the accommodating cavity 101, and the moving iron core assembly 30 is movably arranged.
- the fixed iron core 20 and the movable iron core assembly 30 are distributed along the axial direction of the valve body 10.
- the movable iron core assembly 30 has a first end and a second end arranged oppositely.
- the first end of the movable iron core assembly 30 is The end is arranged corresponding to the fixed iron core 20, and the second end of the moving iron core assembly 30 is arranged corresponding to the valve port 102.
- the fixed iron core 20 can drive the moving iron core assembly 30 to move, so that the second end of the moving iron core assembly 30 is blocked or Open valve port 102.
- one end of the moving iron core assembly 30 only needs to be set correspondingly to the fixed iron core 20, and the other end of the moving iron core assembly 30 is set corresponding to the valve port 102, so that the device can be satisfied. usage requirements.
- the moving iron core assembly 30 can be configured as an integrally formed structure or as a split structure.
- the moving iron core assembly 30 is configured as an integrally formed structure.
- the valve core and the moving iron core are configured as an integrally formed structure.
- the structure also facilitates the processing of device parts, reducing the processing cost of the device, and the integrated structure can avoid the problem of poor coaxiality of multiple parts due to processing and installation errors, making the moving iron core assembly 30 and the valve
- the coaxiality of the body 10 is better, thereby ensuring smoother valve opening and closing actions of the device.
- the end surface of the second end of the moving iron core assembly 30 is flat.
- the valve port 102 can limit the second end of the moving iron core assembly 30, preventing the second end of the moving iron core assembly 30 from being moved.
- the displacement in the axial direction since the end faces of both are flat structures, can increase the contact area between the two, make the contact between the two more stable, and correspondingly increase the friction between the valve port 102 and the moving iron core assembly 30.
- the limiting effect of the two ends also improves the blocking effect of the second end of the moving iron core assembly 30 on the valve port 102 .
- the second end of the moving iron core assembly 30 can also be configured as a convex structure, and the side walls of the convex structure are tapered surfaces, which can improve the applicability of the device. This helps to meet the use needs of the device in different environments.
- the cross-sectional area of the end surface of the second end of the moving iron core assembly 30 is larger than the cross-sectional area of the end surface of the valve port 102, which can further ensure the stability when the two are in contact. Ensure the sealing effect of the device, thereby ensuring the stability of the device during operation as much as possible.
- the valve body 10 includes a body 11 and a valve seat 12 arranged sequentially along the axial direction.
- the body 11 has a mounting hole.
- the valve seat 12 is connected to the body 11 and located in the mounting hole.
- the valve seat 12 has a valve port 102 .
- the above arrangement makes the disassembly and assembly of the device easier and reduces the difficulty of disassembly and assembly of the device.
- arranging the valve seat 12 in the installation hole is conducive to reducing the length of the device in the axial and radial directions, thus effectively reducing the overall volume of the device. , thereby enabling miniaturization of the device.
- the structure of the mounting hole is set in a stepped shape, and the valve seat 12 is arranged corresponding to the structure of the mounting hole.
- the above structure is not only easy to process, but also facilitates the installation of the device, thereby reducing production costs while The installation efficiency of the device can be further improved and the installation hours of the device can be shortened.
- the fixed iron core 20 is disposed at an end of the accommodation cavity 101 away from the valve port 102
- the moving iron core assembly 30 is located at an end of the fixed iron core 20 close to the valve port 102 .
- the moving iron core assembly 30 can block the valve port 102.
- the valve port 102 is in a blocked state, thus satisfying the normally closed function of the device valve port 102.
- the fixed iron core 20 can generate magnetic force on the moving iron core assembly 30, so that the moving iron core assembly 30 moves axially away from the valve port 102.
- the moving iron core assembly 30 moves axially away from the valve port 102.
- the iron core assembly 30 is separated from the valve port 102, and the valve port 102 is in an open state, thereby realizing the valve opening function of the device.
- the accommodation chamber 101 includes a back pressure chamber and a flow chamber; a flow chamber is formed between the body 11 and the moving iron core assembly 30, and the valve port 102 is isolated from the flow chamber; when the moving iron core assembly 30 blocks the valve port 102, the valve port 102 is connected with the back pressure chamber through a balance channel.
- the back pressure chamber includes the space between the moving iron core assembly 30 and the fixed iron core 20.
- the back pressure cavity is a closed chamber. The setting of the balance channel can balance the The space on the side of the moving iron core assembly 30 away from the valve port 102, that is, the pressure between the back pressure chamber and the valve port 102, ensures the smoothness of the valve opening of the moving iron core assembly 30.
- a flow hole 103 is provided on the side wall of the valve body 10, and the flow hole 103 is connected with the flow chamber.
- the electromagnetic stop valve also includes a second seal 43.
- the second seal 43 is provided on the outer wall of the moving iron core assembly 30 and is located in the middle of the moving iron core assembly 30.
- the second sealing member 43 can be connected with the side of the accommodation cavity 101.
- the wall seal is located along the axis direction on the side of the flow hole 103 away from the valve port 102 . The provision of the second seal 43 enables the formation of a back pressure cavity and further improves the sealing effect of the device.
- the moving iron core assembly 30 has a balance channel, and the balance channel runs through the first end and the second end of the moving iron core assembly 30 .
- the balance channel can be connected to the valve port 102, so that the space between the fixed iron core 20 and the moving iron core assembly 30 is connected to the valve port 102 through the balance channel, so that the moving iron core assembly 30
- the pressure at both ends remains consistent, ensuring the stability of the device during operation.
- the balance channel includes a first hole section 301, a second hole section 302, and a third hole section 303 that are sequentially connected along the axial direction.
- the third hole section 303 is provided close to the valve port 102, and the diameter of the third hole section 303 is larger than that of the third hole section 303.
- the diameter of a hole section 301 is greater than the diameter of the second hole section 302 .
- the diameter of the hole section 302 can realize the large-diameter internal balancing function of the device.
- the inner diameter size of the third hole section 303 can be adjusted according to the flow demand of the valve port 102, which can improve the applicability of the device and thereby increase the use range of the device. .
- the solenoid stop valve also includes a first seal 41.
- the first seal 41 is disposed on the moving iron core assembly 30. between the iron core assembly 30 and the mounting hole, and the first sealing member 41 is surrounding the outer periphery of the second end of the moving iron core assembly 30 .
- the first seal 41 can block the connection between the second end of the moving iron core assembly 30 and the valve port 102 to realize the connection between the second end of the moving iron core assembly 30 and the valve port 102 Radial sealing.
- this solution can improve the sealing capacity of the device, which can effectively reduce the internal load of the device. leakage, thus improving the sealing effect of the device.
- annular groove is provided on the outer circumference of the second end of the moving iron core assembly 30, and the first sealing member 41 is disposed in the annular groove.
- the electromagnetic stop valve also includes a first elastic member 42.
- the first elastic member 42 is disposed between the fixed iron core 20 and the moving iron core assembly 30. One end of the first elastic member 42 is connected to the fixed iron core 20. The first elastic member 42 is connected to the fixed iron core 20. The other end of the elastic member 42 is connected to the moving iron core assembly 30 and is located in the first hole section 301 .
- the first elastic member 42 is specifically a return spring. Such an arrangement not only has low production cost, but also has a simple structure and is light in weight, which is conducive to lightweighting the device. Moreover, the first elastic member 42 is disposed in the first hole section 301 so that the first hole section 301 can guide the expansion and contraction of the first elastic member 42 and ensure the stability of the expansion and contraction process of the first elastic member 42 .
- the moving iron core assembly 30 is configured as an integrated structure.
- the moving iron core assembly 30 serves as the function of the moving iron core and the valve core at the same time.
- the moving iron core assembly 30 needs to be One end is arranged corresponding to the fixed iron core 20, and the other end of the moving iron core assembly 30 is arranged corresponding to the valve port 102, which can meet the use needs of the device.
- the integrated structure design also facilitates the processing of device parts and reduces the processing cost of the device.
- the fixed iron core 20 is arranged at an end of the accommodation cavity 101 away from the valve port 102, and the moving iron core assembly 30 is located at the fixed iron core 20 At one end close to the valve port 102, by arranging the above structure, when the device is stationary, the moving iron core assembly 30 can block the valve port 102. At this time, the valve port 102 is in a blocked state, so that the normal conditions of the device valve 102 can be satisfied. Close function.
- Embodiment 2 of the present application provides an electromagnetic stop valve.
- the electromagnetic stop valve includes a valve body 10 , a fixed iron core 20 and a moving iron core assembly 30 .
- the valve body 10 has a receiving cavity 101, and a valve port 102 is provided at one end of the receiving cavity 101, and the valve port 102 is connected with the receiving cavity 101.
- the moving iron core assembly 30 includes a moving iron core 50 and a valve core 60 arranged sequentially along the axis direction.
- the valve core 60 has a first section 61 and a second section 62 arranged in a ladder shape.
- the first section 61 of the valve core 60 is connected to the fixed iron core 20.
- the second section 62 of the valve core 60 is arranged corresponding to the valve port 102.
- the moving iron core 50 is located at an end of the fixed iron core 20 away from the valve port 102;
- the valve body 10 includes a body 11 and a valve seat 12, and the body 11 has an installation hole, the valve seat 12 is connected to the body 11 and is located in the installation hole.
- the valve seat 12 has a valve port 102;
- the accommodation chamber 101 includes a back pressure chamber and a flow chamber, and the valve port 102 is isolated from the flow chamber; the body 11 and the second section 62 A flow cavity is formed between them; moving iron core When the valve port 102 is blocked, the valve port 102 is connected to the back pressure chamber through the balancing structure.
- Such an arrangement can balance the pressure between the back pressure chamber and the valve port 102 and ensure the smooth movement of the moving iron core assembly 30 .
- the above arrangement makes it easier to disassemble and assemble the device and reduces the difficulty of disassembly and assembly of the device.
- arranging the valve seat 12 in the installation hole is beneficial to reducing the overall volume of the device, thereby achieving miniaturization of the device.
- the structure of the mounting hole is set in a stepped shape, and the valve seat 12 is arranged corresponding to the structure of the mounting hole.
- the above structure is not only easy to process, but also facilitates the installation of the device, thereby reducing production costs while The installation efficiency of the device can be further improved and the installation hours of the device can be shortened.
- the balance structure includes an interconnected balance channel and a balance hole.
- the valve core 60 has an interconnected balance channel and a balance hole.
- the balance channel penetrates the movable valve core 60 in the axial direction, and the balance hole is provided in the first section of the valve core 60 61, and one end of the balance hole is located on the side wall of the valve core 60.
- the balance hole is arranged on the valve core 60 along the radial direction.
- the balance hole can also be arranged at other angles with the first section 61 of the valve core 60, which can be specifically based on the actual use requirements of the device. Make settings that will improve the usability of your device.
- the settings of the balance channel and the balance hole can ensure the smoothness and stability of the operation process of the valve core 60 .
- the balance channel is connected to the valve port 102, one end of the balance hole is connected to the balance channel, and the other end of the balance hole extends to the peripheral surface of the first section 61 of the valve core 60.
- the above arrangement allows the balance hole to move the fixed iron core through the balance channel.
- the space between 20 and the valve core 60 is connected to the valve port 102.
- the balance hole connects the space between the moving iron core 50 and the fixed iron core 20 to the valve port 102 through the balance channel. Since the moving iron core 50 and the valve body 10 The gap between the inner walls forms a first gap, and the space at one end of the moving iron core 50 away from the fixed iron core 20 is connected to the space between the moving iron core 50 and the fixed iron core 20 through the first gap. That is to say, the above arrangement facilitates the interconnection of the various spaces formed by the moving iron core 50, the fixed iron core 20 and the valve core 60 in the valve body 10, thereby ensuring that the pressure at both ends of the moving iron core 50 remains consistent, and the valve core can also be ensured. 60 The pressure at both ends remains consistent to ensure smooth and stable operation of the device.
- valve body 10 is provided with a flow hole 103, which is provided on the side wall of the valve body 10.
- the flow hole 103 is connected with the flow chamber.
- the electromagnetic stop valve also includes a fourth seal 73.
- the fourth seal 73 Disposed on the outer wall of the second section 62 of the valve core 60, the fourth seal 73 can cooperate with the side wall of the accommodation chamber 101 for sealing.
- the flow hole 103 is located in the third position.
- Four seals 73 are on one side close to the valve port 102 . The provision of the fourth seal 73 can further improve the sealing effect of the device and enable the formation of a back pressure cavity.
- the back pressure chamber in this embodiment is the area between the valve core 60 , the body 11 and the sleeve 13 , that is, the accommodation chamber 101 located above the fourth seal 73 .
- the valve body 10 further includes a sleeve 13 , and the valve port 102 is provided at an end of the valve body 10 away from the sleeve 13 .
- the fixed iron core 20 has a first end and a second end that are oppositely arranged.
- the first end of the fixed iron core 20 is fixed at an end of the valve body 10 away from the valve port 102 , and the second end of the fixed iron core 20 is passed through Inside the casing 13; the moving iron core 50 is movably disposed in the casing 13 and is located at one end of the fixed iron core 20 away from the valve port 102; the first section 61 of the valve core 60 passes through the fixed iron core 20 and is connected with the moving iron core 20.
- the iron core 50 is connected, and the fixed iron core 20 cooperates with the moving iron core 50 to drive the valve core 60 to move in the accommodation cavity 101 .
- the electromagnetic stop valve also includes a coil 80, and the coil 80 is arranged around the outer periphery of the casing 13, When the coil 80 is energized, the fixed iron core 20 can generate magnetic force, and the magnetic force can drive the moving iron core 50 to move so that the valve core 60 blocks the valve port 102 .
- the fixed iron core 20 is provided with a fourth hole section 21 , a fifth hole section 22 and a sixth hole section 23 in sequence along the axial direction.
- the fourth hole section 21 is formed by the fixed iron core 20
- the second end goes out, and the fifth hole section 22 goes out from the first end of the fixed iron core 20; this embodiment does not limit the number of balancing holes.
- the pressure of the fourth hole section 21 can be balanced through one of the balance holes, and the pressure of the sixth hole section 23 can be balanced through the other balance hole, so that the pressure of the fourth hole section 21 and the sixth hole can be balanced.
- the pressure in section 23 is equal to the pressure at the valve port 102, which can further achieve a pressure balance between the inside of the stator core 20 and the valve port 102, ensuring the normal operation of the valve core 60, and further improving the stability of the device during operation.
- the balance hole includes a first through hole 63 and a second through hole 64.
- the first through hole 63 and the second through hole 64 are axially spaced on the first section 61 of the valve core 60.
- the first through hole 63 The first through hole 63 and the second through hole 64 both extend along the radial direction of the valve core 60.
- the first through hole 63 is located in the fourth hole section 21, and the second through hole 64 is located in the sixth hole section 21. in hole section 23.
- the number of balancing holes is set to two.
- the first through hole 63 and the second through hole 64 can respectively maintain the pressure between the fourth hole section 21 and the sixth hole section 23 and the valve core 60 Consistent, thereby ensuring that the pressure at each connection inside the valve body 10 is equal as much as possible, which not only makes reasonable use of the space of the valve core 60, but also satisfies the balance of the internal pressure of the device and ensures the normal operation of the device.
- the number of balancing holes can also be set to multiple, which can further improve the internal balancing effect of the device, but will also increase the processing difficulty of the valve core 60. Therefore, it can be adjusted according to the actual conditions of the device. Use the Requirements selection to set the appropriate number of balancing holes.
- the diameters of the fourth hole section 21 and the sixth hole section 23 are larger than the diameter of the fifth hole section 22
- the fifth hole section 22 is adapted to the first section 61 of the valve core 60 to match the first section 61 of the valve core 60 .
- a section 61 is used for guidance.
- the balance channel has a first flow channel 65 and a second flow channel 66 that are arranged in steps along the axial direction.
- the first flow channel 65 is located in the first section 61 of the valve core 60
- the second flow channel 66 is located in the valve core.
- the inner diameter of the first flow channel 65 is smaller than the inner diameter of the second flow channel 66.
- the inner diameter size of the second flow channel 66 can be adjusted according to the flow demand of the valve port 102, which can improve the applicability of the device and thereby increase the use range of the device.
- the moving iron core 50 has a first assembly hole and a third flow channel arranged sequentially along the axial direction, wherein the first assembly hole is arranged close to the fixed iron core 20 and the diameter of the first assembly hole is smaller than the diameter of the third flow channel.
- the mutually distant ends of the first assembly hole and the third flow channel respectively extend to the end surface of the moving iron core 50
- the first assembly hole is arranged close to the fixed iron core 20
- the first section 61 of the valve core 60 is away from the second
- the end of the segment 62 is inserted into the first assembly hole and fixedly matched with the moving iron core 50 .
- the electromagnetic stop valve also includes a second elastic member 71.
- the second elastic member 71 is disposed between the fixed iron core 20 and the moving iron core 50. One end of the second elastic member 71 is connected to the fixed iron core 20. The second elastic member 71 is connected to the fixed iron core 20. The other end of the member 71 is connected to the moving iron core 50 and is located in the fourth hole section 21 .
- the elastic force of the second elastic member 71 can act on the moving iron core 50 so that the moving iron core 50 is in a position to open the valve port 102, thereby realizing the valve opening function.
- the second elastic member 71 is specifically a return spring. Such an arrangement not only has low production cost, but also has a simple structure and light weight, which is beneficial to achieving lightweighting of the device.
- the solenoid stop valve also includes a third seal 72 , which is located around the outer periphery of the second section 62 of the valve core 60 close to the valve port 102 .
- the third seal 72 can cooperate with the inner wall of the valve body 10 To seal the valve port 102.
- the third seal 72 can block the valve port 102 to achieve radial sealing at the connection between the second end of the valve core 60 and the valve port 102, which can effectively reduce the internal leakage of the device. Thereby improving the sealing effect of the device.
- an annular groove is provided on the outer circumference of the second section 62 of the valve core 60, and the third sealing member 72 is disposed in the annular groove.
- the settings of the balance channel and the balance hole can balance the space between the second section 62 of the valve core 60 and the stator core 20 and the valve port 102
- the pressure; the balance channel and the balance hole can balance the pressure between the space on the side of the moving iron core 50 away from the valve port 102 and the valve port 102 to ensure smooth valve opening.
- the third embodiment of the present application provides an electromagnetic stop valve, which includes a valve body 10, a fixed iron core 20 and a moving iron core assembly 30.
- the moving iron core assembly 30 includes a moving iron core 50 and Spool 60.
- the valve body 10 has a receiving cavity 101 and a valve port 102.
- the valve port 102 is provided at one end of the valve body 10 and communicates with the receiving cavity 101.
- the stator core 20 is disposed in the accommodation cavity 101 and is disposed opposite to the valve port 102 .
- the moving iron core 50 is movably arranged in the accommodation cavity 101 .
- the first end of the moving iron core 50 is magnetically matched with the fixed iron core 20 , and the second end of the moving iron core 50 is arranged toward the valve port 102 .
- the valve core 60 is located in the accommodation cavity 101, and the valve core 60 is movably disposed at the second end of the moving iron core 50.
- the valve core 60 is used to open or block the valve port 102.
- the valve core 60 has a static state and a moving state in which the follower core 50 moves synchronously.
- the moving iron core 50 has an initial position, a matching position and an adsorption position set along the direction from the valve port 102 to the fixed iron core 20.
- the valve core 60 is in a stationary state.
- the valve core 60 and the moving iron core 50 move synchronously until the moving iron core 50 moves to the adsorption position.
- the valve core 60 remains stationary during the movement of the moving iron core 50 from the initial position to the matching position, and at this time, the moving iron core 50 does not need to overcome the pressure difference experienced by the valve core 60 It is not until the moving iron core 50 drives the valve core 60 to move synchronously that the pressure difference force of the valve core 60 needs to be overcome.
- the moving iron core 50 moves toward the fixed iron core 20 under the action of electromagnetic force.
- the moving iron core 50 drives the valve core 60 to move closer to the fixed iron core 20 synchronously.
- the direction of the iron core 20 moves until the moving iron core 50 moves to the adsorption position and the valve core 60 completely opens the valve port 102. Since the electromagnetic force between the moving iron core 50 and the fixed iron core 20 has an exponential relationship with the distance between them, the smaller the distance between the moving iron core 50 and the fixed iron core 20 , the greater the magnetic force between them. The bigger. Therefore, the magnetic force of the moving iron core 50 in the mated position is much greater than the magnetic force of the moving iron core 50 in the initial position. In the traditional technical solution, the valve core 60 always moves synchronously with the moving iron core 50. Therefore, when the valve is opened, the moving iron core 50 needs to overcome the pressure difference force of the valve core 60 in the initial position.
- this solution directly controls the opening and closing of the valve port 102 through the valve core 60, and has a simple structure.
- the distance between the initial position and the fitting position is H1
- the distance between the initial position and the adsorption position is H, 2%H ⁇ H-H1 ⁇ 20%H.
- H-H1 ⁇ 2%H there may be actual If H1 is greater than H under working conditions, the valve may not be able to open.
- H-H1 ⁇ 20%H when the moving iron core 50 moves to the matching position, the gap between the moving iron core 50 and the fixed iron core 20 is too large, which may affect the valve opening effect.
- this application sets H-H1 within the above range, which can further improve the smoothness of the valve opening process.
- H-H1 2%H
- H-H1 5%H
- H-H1 6%H
- H-H1 8%H
- H-H1 10%H
- H-H1 5%H.
- the valve core 60 has a through hole, the second end of the moving iron core 50 is movably installed in the through hole, and a limiting structure is provided between the valve core 60 and the moving iron core 50.
- the limiting structure is used to limit the relative displacement between the moving iron core 50 and the valve core 60 .
- the moving iron core 50 moves in a direction close to the fixed iron core 20 until the moving iron core 50 moves to the matching position.
- the limiting structure acts on the moving iron core 50 and the valve. between the cores 60, so that the valve core 60 moves synchronously with the iron core 50.
- the above arrangement has a simple structure.
- the second end of the moving iron core 50 is inserted into the penetration hole.
- the valve core 60 When the valve core 60 is in the state of blocking the valve port, the overall height of the moving iron core 50 and the valve core 60 can be reduced as much as possible, and then the overall height of the moving iron core 50 and the valve core 60 can be reduced. It can ensure the compactness of the electromagnetic stop valve and achieve miniaturization of the electromagnetic stop valve.
- the through holes include a first through hole 601 and a second through hole 602 arranged in steps along the direction from the stator core 20 to the valve port 102 .
- the diameter of the second through hole 602 is larger than
- the diameter of the first through hole 601 is a stepped surface formed between the first through hole 601 and the second through hole 602.
- the second end of the moving iron core 50 has a limiting portion 501, and the limiting portion 501 is limited to the stepped surface. When the moving iron core 50 is in the initial position, there is a gap between the limiting part 501 and the stepped surface.
- the limiting part 501 When the moving iron core 50 is in the matching position, the limiting part 501 is in contact with the stepped surface, and the moving iron core 50 passes through The limiting portion 501 cooperates with the stepped surface to drive the valve core 60 to move.
- the limiting part 501 and the stepped surface form a limiting structure. Specifically, when the valve is opened, the moving iron core 50 moves in a direction close to the fixed iron core 20. When the moving iron core 50 moves from the initial position to the matching position, the valve core 60 is in a stationary state.
- the limiting portion 501 When the moving iron core 50 moves to When in the matching position, the limiting portion 501 is in contact with the step surface, and the moving iron core 50 continues to move in the direction closer to the fixed iron core 20 , and the electromagnetic force received by the moving iron core 50 is enough to overcome the gravity of the moving iron core 50 and the valve core. At this time, the movable iron core 50 drives the spool 60 to move closer to the fixed iron core 20 until the movable iron core 50 moves to the adsorption position. Specifically, the distance between the end surface of the limiting portion 501 close to the step surface and the step surface is equal to the distance between the initial position and the mating position of the moving iron core 50 .
- the distance between the initial position and the mating position can be reflected by the distance between the end surface of the stopper 501 close to the step surface and the step surface.
- the distance between the end surface of the limiting portion 501 close to the step surface and the step surface can be adjusted, thereby ensuring the adaptability of the solution.
- the moving iron core 50 is provided with a third balancing channel 502 .
- One end of the third balancing channel 502 runs through the end face of the first end of the moving iron core 50 , and the other end of the third balancing channel 502 runs through the moving iron.
- the end surface of the second end of the core 50 is disposed and communicates with the through hole.
- the provision of the third balance channel 502 can quickly achieve internal balance of the pressure at both ends of the moving iron core 50 , reduce the resistance encountered during the movement of the moving iron core 50 , and improve the smoothness of the movement of the valve core 60 .
- the extension direction of the third balance channel 502 is the same as the extension direction of the moving iron core 50 . Such an arrangement can ensure the balancing effect of the third balancing channel 502 on the air pressure.
- a second balance hole 503 is provided on the side wall of the moving iron core 50 .
- the second balance hole 503 is provided close to the first end of the moving iron core 50 , and the second balance hole 503 is connected with the third balance channel 502 .
- the setting of the second balance hole 503 can further balance the air pressure.
- the gap between the moving iron core 50 and the accommodation cavity 101 is connected with the second balance hole 503 to balance the pressure at both ends of the valve core 60 and ensure that the valve core 60 smoothness of movement.
- This solution does not limit the number of the second balancing holes 503.
- one second balancing hole 503 is provided, and the extending direction of the second balancing hole 503 is perpendicular to the extending direction of the moving iron core 50.
- the electromagnetic stop valve also includes a buffer member 91 .
- the buffering member 91 is disposed between the second end of the moving iron core 50 and the valve core 60 .
- One end of the buffering member 91 is connected to the valve core 60 , and the other end of the buffering member 91 is connected to the second end of the moving iron core 50 .
- the buffer member 91 is a buffer spring.
- the buffer spring is sleeved on the second end of the moving iron core 50 .
- One end of the buffer spring is connected to the moving iron core 50 , and the other end of the buffer spring is connected to the step surface.
- the setting of the buffer spring can play a buffering role when the limiter 501 contacts the step surface, reducing the force of the limiter 501 acting on the valve core 60 at the moment when the limiter 501 contacts the step surface, ensuring that the moving iron
- the core 50 drives the stability of the movement of the valve core 60.
- it can also reduce the deformation of the end surface of the limiter 501 close to the step surface and the step surface due to excessive impact force, so as to ensure long-term use.
- the distance between the initial position and the mating position is as consistent as possible with the distance between the two at the factory to ensure smooth valve opening.
- the valve core 60 includes a third section 611 , a fourth section 612 and a fifth section 613 that are sequentially connected from the stator core 20 to the valve port 102 .
- the outer diameter of the third section 611 is equal to the outer diameter of the third section 611 .
- the outer diameter of the fifth section 613 is larger than the outer diameter of the fourth section 612.
- the valve body 10 is also provided with a flow hole 103.
- the flow hole 103 is connected to the accommodation cavity 101.
- Such an arrangement can reduce the overall weight of the valve core 60, thereby reducing the gravity of the valve core 60 that needs to be overcome when the moving iron core 50 drives the valve core 60 to move, further improving the smoothness of valve opening.
- the flow hole 103 is arranged opposite to the fourth section 612. Since the outer diameter of the fourth section 612 is smaller than the outer diameter of the fifth section 613 and the outer diameter of the fourth section 612 is also smaller than the outer diameter of the third section 611, such an arrangement can reduce the contact area between the valve core 60 and the fluid, thereby reducing the contact area between the valve core 60 and the fluid.
- the impact force of the fluid on the valve core 60 can be reduced and the stability of the valve core 60 can be ensured.
- such an arrangement can increase the space between the valve core 60 and the inner wall of the valve body 10, thereby ensuring the flow rate of the fluid and improving the smoothness of the fluid circulation.
- the third section 611 and the fifth section 613 both have a clearance fit with the accommodating cavity 101, and the distance between the fourth section 612 and the inner wall of the valve body 10 is relatively large. Therefore, there is no need to overcome the problem during the valve opening and closing processes. The friction between the fourth section 612 and the inner wall of the valve body 10 improves the smoothness of the valve opening and closing processes.
- the solenoid stop valve also includes a fifth seal 603 and a sixth seal 604.
- the fifth seal is sleeved on the outer periphery of the third section 611 and is sealingly connected to the inner wall of the valve body 10.
- the six seals 604 are sleeved on the outer periphery of the fifth section 613 and are sealingly connected with the inner wall of the valve body 10 .
- the arrangement of the fifth seal 603 and the sixth seal 604 can increase the sealing effect of the first chamber 111, thereby ensuring the stability of the valve closing.
- a first installation groove is annularly provided on the peripheral surface of the third section 611, and the fifth seal 603 is embedded in the first installation groove.
- a second installation groove is annularly provided on the peripheral surface of the fifth section 613, and the sixth seal 604 is embedded in the second installation groove.
- the valve body 10 includes a body 11 and a sleeve 13 , and the electromagnetic stop valve also includes a coil 80 .
- the body 11 has a first chamber 111
- the valve port 102 is provided at one end of the body 11 and communicates with the first chamber 111 .
- the sleeve 13 has a second chamber 131. One end of the sleeve 13 is passed through the body 11, and the sleeve 13 is arranged opposite to the valve port 102.
- the second chamber 131 is connected with the first chamber 111 and Form a receiving cavity.
- the second chamber 131 is coaxially arranged with the first chamber 111 , and the cross section of the second chamber 131 is smaller than the cross section of the first chamber 111 .
- the fixed iron core 20 is disposed at one end of the sleeve 13 away from the valve port 102 .
- the coil 80 is set on the outer periphery of the sleeve 13 and magnetically cooperates with the fixed iron core 20 .
- the valve core 60 is movably disposed in the first chamber 111. When the moving iron core 50 is in the initial position, the second end of the moving iron core 50 is located in the first chamber 111 and abuts with the valve core 60.
- the moving iron core 50 includes a magnetic part 51 and a fitting part 52 that are connected to each other along the direction from the fixed iron core 20 to the valve port 102.
- the cross-sectional area of the fitting part 52 is smaller than the cross-sectional area of the magnetic part 51.
- the mating part 52 slides with the valve core 60.
- the valve core 60 includes a protruding part 614 and a body part that are connected to each other in the direction from the stator core 20 to the valve port 102.
- the cross-sectional area of the protruding part 614 is smaller than the cross-sectional area of the body part.
- the cross-sectional area of the protruding portion 614 is smaller than the cross-sectional area of the magnetic portion 51 .
- the third section 611, the fourth section 612 and the fifth section 613 form the body part.
- one end of the magnetic part 51 that is away from the mating part 52 is inserted into the second chamber 131 , and the other end of the magnetic part 51 is inserted into the first chamber 111 and connected with the valve.
- the protrusion 614 of the core 60 is an abutment fit.
- the contact area between the outlet portion 614 and the magnetic portion 51 can further reduce the adsorption force between the two, further improving the smoothness of the valve opening process.
- the provision of the protruding portion 614 can guide and limit the movement of the fitting portion 52, ensuring the stability of the movement of the fitting portion 52, thereby ensuring the stability of the valve opening and closing processes.
- the fitting portion 52 includes a sixth section, a seventh section, an eighth section and a ninth section arranged in steps along the axis direction, and the diameters of the sixth section, the seventh section, the eighth section and the ninth section gradually increase.
- the end surface of the end of the magnetic part 51 close to the valve core 60 is provided with a second assembly hole, and the end of the sixth section away from the seventh section is penetrated in the second assembly hole and interference-fits with the second assembly hole.
- the eight segments form a limiting portion, one end of the buffer spring is sleeved on the outer circumference of the eighth segment and contacts the ninth segment, and the other end of the buffer spring contacts the inner peripheral surface of the valve core 60 .
- Such an arrangement can ensure the convenience of assembling the buffer spring, reduce the weight of the fitting part 52 as much as possible, reduce the gravity of the fitting part 52 that needs to be overcome during the valve opening process, and improve the smoothness of the valve opening process.
- the electromagnetic stop valve also includes a reset member 92 , which is disposed between the fixed iron core 20 and the moving iron core 50 .
- the reset member 92 is used to drive the moving iron core 50 from the adsorption position to the initial position.
- the third balance channel 502 packet It includes a first channel, a second channel, a third channel and a fourth channel that are sequentially connected along the direction from the magnetic part 51 to the fitting part 52 .
- the first channel, the second channel and the third channel are all provided on the magnetic part 51
- the fourth channel is provided on the matching part 52 .
- the diameter of the first channel is greater than the diameter of the second channel
- the second assembly hole forms a third channel
- the diameter of the third channel is greater than the diameter of the second channel.
- the fourth channel has the same diameter as the second channel and is disposed through the fitting portion 52 .
- the return member 92 is a return spring, one end of the return spring is disposed in the first channel, and the other end of the return spring protrudes from the first channel and abuts with the fixed iron core 20 .
- the arrangement of the return spring has a simple structure and is easy to assemble with the magnetic part 51. Furthermore, arranging one end of the return spring in the first channel can ensure the stability of the return spring.
- this solution can increase the electromagnetic force driving the movement of the valve core 60 and improve the smoothness of valve opening.
- this solution directly controls the opening and closing of the valve port 102 through the valve core 60, and has a simple structure.
- the arrangement of the second through hole 602, the third balance channel 502 and the second balance hole 503 can improve the smoothness of movement of the moving iron core 50 and the valve core 60.
- spatially relative terms can be used here, such as “on", “on", “on the upper surface of", “above”, etc., to describe what is shown in the figure.
- the exemplary term “on” may include “on “square” and "below”.
- the device may be otherwise oriented (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
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Abstract
Description
Claims (27)
- 一种电磁截止阀,其特征在于,所述电磁截止阀包括:阀体(10),具有容纳腔(101),所述阀体(10)上还设置有阀口(102),所述阀口(102)与所述容纳腔(101)连通;定铁芯(20),设置在所述容纳腔(101)内;动铁芯组件(30),可移动地设置在所述容纳腔(101)内,所述定铁芯(20)和所述动铁芯组件(30)沿所述阀体(10)的轴向分布,所述定铁芯(20)能够驱动所述动铁芯组件(30)移动,以使所述动铁芯组件(30)封堵或打开所述阀口(102)。
- 根据权利要求1所述的电磁截止阀,其特征在于,所述动铁芯组件(30)具有相对设置的第一端和第二端,所述动铁芯组件(30)的第一端对应所述定铁芯(20)设置,所述动铁芯组件(30)的第二端对应所述阀口(12)设置;所述动铁芯组件(30)的第二端封堵或打开所述阀口(102)。
- 根据权利要求2所述的电磁截止阀,其特征在于,所述阀体(10)包括本体(11)和阀座(12),所述本体(11)具有安装孔,所述阀座(12)与所述本体(11)连接,且位于所述安装孔内,所述阀座(12)具有所述阀口(102);所述容纳腔(101)包括背压腔以及流通腔;所述本体(11)与动铁芯组件(30)之间形成所述流通腔;所述动铁芯组件(30)封堵所述阀口(102)时,所述阀口(102)通过平衡通道与所述背压腔连通,所述阀口(102)与所述流通腔隔离。
- 根据权利要求3所述的电磁截止阀,其特征在于,所述电磁截止阀还包括第二密封件(43),所述第二密封件(43)设置在所述动铁芯组件(30)的外侧壁上,且位于所述动铁芯组件(30)的中部,所述第二密封件(43)能够与所述容纳腔(101)的侧壁配合密封;平衡通道沿轴线方向贯穿所述动铁芯组件(30)设置,当所述动铁芯组件(30)封堵所述阀口(102)时,所述背压腔通过所述平衡通道与所述阀口(102)连通,以平衡所述背压腔与所述阀口(102)之间的压力。
- 根据权利要求4所述的电磁截止阀,其特征在于,所述平衡通道包括沿轴线方向顺次连通的第一孔段(301)、第二孔段(302)和第三孔段(303),所述第三孔段(303)靠近所述阀口(102)设置,所述第三孔段(303)的直径大于所述第一孔段(301)的直径,所述第一孔段(301)的直径大于所述第二孔段(302)的直径,当所述动铁芯组件(30)封堵所述阀口(102)时,所述第一孔段(301)与所述阀口(102)连通,且所述第三孔段(103)与所述背压腔连通。
- 根据权利要求3所述的电磁截止阀,其特征在于,所述电磁截止阀还包括:第一密封件(41),设置在所述动铁芯组件(30)与所述阀口(102)之间,当所述动铁芯组件(30)封堵所述阀口(102)时,所述第一密封件(41)能够对所述动铁芯组件(30)与所述阀口(102)之间的间隙进行密封。
- 根据权利要求1所述的电磁截止阀,其特征在于,所述动铁芯组件(30)包括沿轴线方向依次设置的动铁芯(50)和阀芯(60);所述阀芯(60)可移动地设置在所述容纳腔(101)内,所述阀芯(60)包括阶梯设置的第一段(61)和第二段(62),所述阀芯(60)的第一段(61)与所述定铁芯(20)穿设连接,所述阀芯(60)的第二段(62)对应所述阀口(102)设置,以通过所述阀芯(60)的第二段(62)打开或封堵所述阀口(102),所述动铁芯(50)位于所述定铁芯(20)的远离所述阀口(102)的一端;所述阀体(10)包括本体(11)和阀座(12),所述本体(11)具有安装孔,所述阀座(12)与所述本体(11)连接,且位于所述安装孔内,所述阀座(12)具有所述阀口(102);所述容纳腔(101)包括背压腔以及流通腔;所述本体(11)与所述第二段(62)之间形成流通腔;所述阀芯(60)封堵所述阀口(102)时,所述阀口(102)通过平衡结构与所述背压腔连通,所述阀口(102)与所述流通腔隔离。
- 根据权利要求7所述的电磁截止阀,其特征在于,所述平衡结构具有相互连通的平衡通道和平衡孔,所述平衡通道沿轴向贯穿所述阀芯(60),所述平衡孔设置在所述阀芯(60)的第一段(61),且所述平衡孔的一端位于所述阀芯(60)的侧壁上。
- 根据权利要求7所述的电磁截止阀,其特征在于,所述电磁截止阀还包括第四密封件(73),所述第四密封件(73)设置在所述阀芯(60)的第二段(62)的外侧壁上,所述第四密封件(73)能够与所述容纳腔(101)的侧壁配合密封。
- 根据权利要求8所述的电磁截止阀,其特征在于,所述阀体(10)包括套管(13),所述定铁芯(20)的第一端固定在所述本体(11)的远离所述阀口(102)的一端,所述定铁芯(20)的第二端穿设在所述套管(13)内,所述动铁芯(50)可移动地设置在所述套管(13)内,所述阀芯(60)的第一段(61)穿过所述定铁芯(20)并与所述动铁芯(50)连接,所述定铁芯(20)与所述动铁芯(50)配合以驱动所述阀芯(60)在所述容纳腔(101)内移动。
- 根据权利要求10所述的电磁截止阀,其特征在于,所述定铁芯(20)沿轴向依次设置有第四孔段(21)、第五孔段(22)和第六孔段(23),所述第四孔段(21)位于所述定铁芯(20)的第二端,所述第六孔段(23)位于所述定铁芯(20)的第一端。
- 根据权利要求11所述的电磁截止阀,其特征在于,所述平衡孔包括第一通孔(63)和第二通孔(64),所述第一通孔(63)和所述第二通孔(64)沿轴向间隔设置在所述阀芯(60)的第一段(61)上,所述第一通孔(63)和所述第二通孔(64)均沿所述阀芯(60)的径向延伸,当所述阀芯(60)处于打开所述阀口(102)的位置时,所述第一通孔(63)位于所述第四孔段(21)内,所述第二通孔(64)位于所述第六孔段(23)内。
- 根据权利要求11所述的电磁截止阀,其特征在于,所述第四孔段(21)和所述第六孔段(23)的直径大于所述第五孔段(22)的直径,所述第五孔段(22)与所述阀芯(60)的第一段(61)相适配,以对所述阀芯(60)的第一段(61)进行导向。
- 根据权利要求8所述的电磁截止阀,其特征在于,所述平衡通道具有沿轴向呈阶梯依次设置的第一流通通道(65)和第二流通通道(66),所述第一流通通道(65)位于所述阀芯(60)的第一段(61)内,所述第二流通通道(66)位于所述阀芯(60)的第二段(62)内,所述第一流通通道(65)的内径小于所述第二流通通道(66)的内径。
- 根据权利要求7所述的电磁截止阀,其特征在于,所述电磁截止阀还包括:第三密封件(72),围设在所述阀芯(60)的第二段(62)的靠近所述阀口(102)的外周,所述第三密封件(72)可与所述阀体(10)内壁配合以密封所述阀口(102)。
- 根据权利要求11所述的电磁截止阀,其特征在于,所述电磁截止阀还包括第二弹性件(71),所述第二弹性件(71)设置在所述定铁芯(20)和所述动铁芯(50)之间,所述第二弹性件(71)位于所述第四孔段(21)内。
- 根据权利要求1所述的电磁截止阀,其特征在于,所述动铁芯组件(30)包括:动铁芯(50),可移动地设置在所述容纳腔(101)内,所述动铁芯(50)第一端与所述定铁芯(20)磁力配合,所述动铁芯(50)的第二端朝向所述阀口(102)设置;阀芯(60),位于所述容纳腔(101)内,且所述阀芯(60)可移动地设置在所述动铁芯(50)的第二端,所述阀芯(60)用于开启或者封堵所述阀口(102),当所述动铁芯(50)向远离所述阀口(102)移动的过程中,所述阀芯(60)具有静止状态和随所述动铁芯(50)同步移动的运动状态;其中,所述动铁芯(50)具有沿所述阀口(102)至所述定铁芯(20)的方向设置的初始位置、配合位置和吸附位置,当所述动铁芯(50)处于所述初始位置时,所述阀芯(60)处于所述静止状态,当所述动铁芯(50)移动至所述配合位置后,所述阀芯(60)与所述动铁芯(50)同步移动,直至所述动铁芯(50)移动至所述吸附位置。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述初始位置至所述配合位置之间的间距为H1,所述初始位置至所述吸附位置之间的间距为H,2%H≤H-H1≤20%H。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述阀芯(60)具有穿设孔,所述动铁芯(50)的第二端可移动地穿设在所述穿设孔内,所述阀芯(60)与所述动铁芯(50)之间设置有限位结构,所述限位结构用于限制所述动铁芯(50)与所述阀芯(60)之间的相对位移量。
- 根据权利要求19所述的电磁截止阀,其特征在于,所述穿设孔包括沿所述定铁芯(20)至所述阀口(102)的方向阶梯设置的第一穿设孔(601)和第二穿设孔(602),所述第二穿设孔(602)的直径大于所述第一穿设孔(601)的直径,所述第一穿设孔(601)与 所述第二穿设孔(602)之间形成阶梯面,所述动铁芯(50)的第二端具有限位部(501),所述限位部(501)与所述阶梯面限位配合,当所述动铁芯(50)处于所述初始位置时,所述限位部(501)与所述阶梯面之间具有间隔,当所述动铁芯(50)处于所述配合位置时,所述限位部(501)与所述阶梯面抵接,所述动铁芯(50)通过所述限位部(501)与所述阶梯面配合以带动所述阀芯(60)移动。
- 根据权利要求19所述的电磁截止阀,其特征在于,所述动铁芯(50)上设置有第三平衡通道(502),所述第三平衡通道(502)的一端贯穿所述动铁芯(50)的第一端的端面设置,所述第三平衡通道(502)的另一端贯穿所述动铁芯(50)的第二端的端面设置,并与所述穿设孔连通设置。
- 根据权利要求21所述的电磁截止阀,其特征在于,所述动铁芯(50)的侧壁上设置有第二平衡孔(503),所述第二平衡孔(503)靠近所述动铁芯(50)的第一端设置,且所述第二平衡孔(503)与所述第三平衡通道(502)连通。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述电磁截止阀还包括:缓冲件(91),设置在所述动铁芯(50)的第二端与所述阀芯(60)之间,所述缓冲件(91)的一端与所述阀芯(60)连接,所述缓冲件(91)的另一端与所述动铁芯(50)的第二端连接。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述阀芯(60)包括由所述定铁芯(20)至所述阀口(102)的方向顺次连接的第三段(611)、第四段(612)和第五段(613),其中,所述第三段(611)的外径与所述第五段(613)的外径均大于所述第四段(612)的外径,所述阀体(10)上还设置有流通孔(103),所述流通孔(103)与所述容纳腔(101)连通设置,当所述阀芯(60)处于封堵所述阀口(102)的位置时,所述流通孔(103)与所述第四段(612)相对设置。
- 根据权利要求24所述的电磁截止阀,其特征在于,所述电磁截止阀还包括第六密封件(604),所述第六密封件(604)设置在所述阀芯(60)与所述阀口(102)之间,以对所述阀芯(60)与所述阀口(102)之间的间隙进行密封。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述动铁芯(50)包括沿所述定铁芯(20)至所述阀口(102)的方向相互连接的磁力部(51)和配合部(52),所述配合部(52)的截面积小于所述磁力部(51)的截面积,所述配合部(52)与所述阀芯(60)滑动配合,所述阀芯(60)包括沿所述定铁芯(20)至所述阀口(102)的方向相互连接的凸出部(614)和本体部,所述凸出部(614)的截面积小于所述本体部的截面积,且所述凸出部(614)的截面积小于所述磁力部(51)的截面积。
- 根据权利要求17所述的电磁截止阀,其特征在于,所述电磁截止阀还包括复位件(92),所述复位件(92)设置在所述定铁芯(20)与所述动铁芯(50)之间,所述复位件(92)用于驱动所述动铁芯(50)由所述吸附位置回复至所述初始位置。
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| CN202210302020.9 | 2022-03-25 | ||
| CN202210302018.1A CN116838840B (zh) | 2022-03-25 | 2022-03-25 | 电磁截止阀 |
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| JPH09250653A (ja) * | 1996-03-13 | 1997-09-22 | Osaka Gas Co Ltd | 電磁流量調節弁装置 |
| CN101988583A (zh) * | 2009-08-05 | 2011-03-23 | 浙江三花股份有限公司 | 电磁阀 |
| CN106352145A (zh) * | 2016-09-29 | 2017-01-25 | 宁波江东晟创工业产品设计有限公司 | 基于清洁尾气用电磁阀结构 |
| CN217301819U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁阀 |
| CN217301818U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁截止阀及具有其的阀组件 |
| CN217301820U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁截止阀 |
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| JPH0322181U (zh) * | 1989-07-15 | 1991-03-06 | ||
| JP2832175B2 (ja) * | 1996-02-05 | 1998-12-02 | シーケーディ株式会社 | 電磁弁 |
| JP2001124229A (ja) * | 1999-10-29 | 2001-05-11 | Pacific Ind Co Ltd | 電磁弁 |
| JP6463647B2 (ja) * | 2015-02-26 | 2019-02-06 | 川崎重工業株式会社 | 弁装置 |
| CN209180369U (zh) * | 2018-08-21 | 2019-07-30 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
| CN111720565A (zh) * | 2019-03-19 | 2020-09-29 | 浙江盾安禾田金属有限公司 | 电磁阀 |
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- 2023-03-27 WO PCT/CN2023/084211 patent/WO2023179797A1/zh not_active Ceased
- 2023-03-27 KR KR1020247035492A patent/KR20240162151A/ko active Pending
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250653A (ja) * | 1996-03-13 | 1997-09-22 | Osaka Gas Co Ltd | 電磁流量調節弁装置 |
| CN101988583A (zh) * | 2009-08-05 | 2011-03-23 | 浙江三花股份有限公司 | 电磁阀 |
| CN106352145A (zh) * | 2016-09-29 | 2017-01-25 | 宁波江东晟创工业产品设计有限公司 | 基于清洁尾气用电磁阀结构 |
| CN217301819U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁阀 |
| CN217301818U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁截止阀及具有其的阀组件 |
| CN217301820U (zh) * | 2022-03-25 | 2022-08-26 | 盾安汽车热管理科技有限公司 | 电磁截止阀 |
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