WO2022158346A1 - 電磁弁 - Google Patents

電磁弁 Download PDF

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Publication number
WO2022158346A1
WO2022158346A1 PCT/JP2022/000676 JP2022000676W WO2022158346A1 WO 2022158346 A1 WO2022158346 A1 WO 2022158346A1 JP 2022000676 W JP2022000676 W JP 2022000676W WO 2022158346 A1 WO2022158346 A1 WO 2022158346A1
Authority
WO
WIPO (PCT)
Prior art keywords
solenoid
component
mover
outflow
flow path
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
Application number
PCT/JP2022/000676
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
晃宜 久保田
泰士 蜂矢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2022576618A priority Critical patent/JPWO2022158346A1/ja
Priority to CN202280011487.6A priority patent/CN116867993A/zh
Priority to EP22742468.6A priority patent/EP4283169A4/en
Priority to US18/273,932 priority patent/US12313177B2/en
Publication of WO2022158346A1 publication Critical patent/WO2022158346A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm

Definitions

  • the present invention relates to solenoid valves.
  • Patent Document 1 discloses an electromagnetic valve including a solenoid, a sealing portion provided on a mover, a first pipeline, and a second pipeline.
  • one component defines the flow path of the fluid in the solenoid valve. For example, it is not easy to change the specifications of the solenoid valve.
  • a sealing member is provided that slides on the outer peripheral surface of the mover so that the fluid does not flow to the coil side.
  • a first aspect of the present invention aims to provide a solenoid valve in which it is easy to ensure the strength of the parts that support the parts, and whose specifications can be easily changed.
  • a second aspect of the present invention aims to provide a solenoid valve whose specifications can be easily changed.
  • a third aspect of the present invention aims to provide an electromagnetic valve capable of suppressing an increase in the distance between parts.
  • a fourth aspect of the present invention aims to provide an electromagnetic valve capable of suppressing the flow of fluid to the coil side and operating the mover with less power.
  • a fifth aspect of the present invention aims to provide an electromagnetic valve capable of suppressing obstruction of movement of the mover.
  • a solenoid valve includes: a flow path forming portion having an inflow portion into which the fluid flows and at least one outflow portion into which the fluid flows out, and into which the fluid flows; a solenoid having a coil and a mover capable of reciprocating axially with respect to the coil; a solenoid housing containing at least the coil; A solenoid valve that switches between a closed state that prevents fluid from flowing out of the outflow portion and an open state that allows fluid to flow out of the outflow portion by reciprocating movement of the mover,
  • the flow path forming part has a first part and a second part,
  • the solenoid housing, the first part and the second part are arranged in this order in the axial direction,
  • the first component is provided with a connecting portion for circulating a fluid between the flow path forming portion and the outside,
  • the solenoid housing and the second component are provided with a support for supporting each other,
  • the support portion has a first lock portion extending in the axial direction and a second lock portion
  • a space in which the first locking portion is positioned at a first end of at least one side appearing in a cross section extending through the connecting portion in a direction perpendicular to the axial direction, and the connecting portion passes from the first locking portion to the second end side. is provided, it is possible to extend from the first component a connecting portion for circulating a fluid between the flow path forming portion and the outside.
  • the connecting portion is sandwiched between a plurality of first locking portions on the side where the connecting portion is provided, it is easy to secure the width and strength of the first locking portion even if the connecting portion is enlarged.
  • the space provided from the first locking part to the second end part side is sufficiently large, it is possible to switch to a small or large connecting part by simply replacing the first part without changing the specifications of the supporting part. be able to.
  • a solenoid valve includes: a flow path forming portion having an inflow portion into which the fluid flows and at least one outflow portion into which the fluid flows out, and into which the fluid flows; a solenoid having a coil and a mover capable of reciprocating axially with respect to the coil; a solenoid housing containing at least the coil; A solenoid valve that switches between a closed state that prevents fluid from flowing out of the outflow portion and an open state that allows fluid to flow out of the outflow portion by reciprocating movement of the mover,
  • the flow path forming part has a first part and a second part, The solenoid valve, wherein a flow path is formed by the first part and the second part.
  • the solenoid valve has a flow path forming portion having a first part and a second part, and a solenoid housing, and the first part and the second part form the flow path.
  • a solenoid valve includes: a flow path forming portion having an inflow portion into which the fluid flows and at least one outflow portion into which the fluid flows out, and into which the fluid flows; a solenoid having a coil and a mover capable of reciprocating axially with respect to the coil; a solenoid housing containing at least the coil; A solenoid valve that switches between a closed state that prevents fluid from flowing out of the outflow portion and an open state that allows fluid to flow out of the outflow portion by reciprocating movement of the mover,
  • the flow path forming part has a first part and a second part,
  • the solenoid housing, the first part and the second part are arranged in this order in the axial direction, an elastic member is provided between the solenoid housing and the first component, the first component is provided movably in the axial direction relative to the solenoid housing,
  • the solenoid housing and the second component are provided with a first movement suppressing portion that suppresses relative movement in a direction away from each other,
  • the first movement suppressing part and the second movement suppressing part is provided.
  • the first movement suppressing portion suppresses relative movement of the solenoid housing and the second component in the direction in which they are separated from each other
  • the second movement suppression portion suppresses relative movement in the direction in which the first component and the second component are separated from each other. . Therefore, it is possible to prevent the first part from moving relative to the solenoid housing and increasing the distance between the first part and the second part.
  • a solenoid valve includes: a flow path forming portion having an inflow portion into which the fluid flows and at least one outflow portion into which the fluid flows out, and into which the fluid flows; a solenoid having a coil and a mover capable of reciprocating axially with respect to the coil; A solenoid valve that switches between a closed state that prevents fluid from flowing out of the outflow portion and an open state that allows fluid to flow out of the outflow portion by reciprocating movement of the mover, The electromagnetic valve is provided with a sealing portion that expands and contracts along with the reciprocating movement of the mover and suppresses the inflow of fluid from the flow passage forming portion to the coil side.
  • the sealing portion is provided, it is possible to suppress the flow of fluid from the flow path forming portion side to the coil side.
  • the seal portion expands and contracts along with the reciprocating movement of the mover, the mover can be operated with less electric power than, for example, a configuration in which the seal portion slides on the mover without expanding or contracting. .
  • a solenoid valve includes: a flow path forming portion having an inflow portion into which the fluid flows and at least one outflow portion into which the fluid flows out, and into which the fluid flows; a solenoid having a coil and a mover capable of reciprocating axially with respect to the coil; a solenoid housing containing at least the coil; A solenoid valve that switches between a closed state that prevents fluid from flowing out of the outflow portion and an open state that allows fluid to flow out of the outflow portion by reciprocating movement of the mover, The mover is provided reciprocatingly in the axial direction through an opening provided in the solenoid housing, A sealing portion is provided between the mover and the opening to prevent fluid from flowing into the solenoid housing from the flow passage forming portion,
  • the solenoid housing is an electromagnetic valve having a communicating path that allows gas to flow between its inside and outside.
  • the solenoid housing is positioned between the inside and the outside. By having the communication path that allows the flow of gas, it is possible to prevent the movement of the mover from being hindered by the pressure difference between the inside and the outside of the solenoid housing.
  • the first aspect of the present invention it is possible to easily secure the strength of the parts supporting parts, and to provide an electromagnetic valve whose specifications can be easily changed.
  • an electromagnetic valve capable of suppressing the flow of fluid to the coil side and operating the mover with less power.
  • FIG. 1 is a perspective view of an electromagnetic valve according to a first embodiment
  • FIG. 1 is a front view of an electromagnetic valve according to a first embodiment
  • FIG. It is a left view of the electromagnetic valve which concerns on 1st Embodiment.
  • It is a right view of the electromagnetic valve which concerns on 1st Embodiment.
  • It is a bottom view of the solenoid valve concerning a 1st embodiment.
  • 3 is a cross-sectional view taken along the line VI-VI of FIG. 2
  • FIG. 6 is a cross-sectional view taken along line VV of FIG. 5 in a first state
  • FIG. 6 is a cross-sectional view taken along line VV of FIG. 5 in a second state
  • FIG. 3 is a cross-sectional view taken along line VII-VII of FIG. 2 in a first state;
  • FIG. 3 is a cross-sectional view taken along line VIII-VIII of FIG. 2 in a first state;
  • FIG. 3 is a cross-sectional view taken along line IX-IX of FIG. 2;
  • FIG. 4 is an exploded perspective view of the solenoid housing, seal portion and first component; It is a partial sectional view of the solenoid valve concerning a 2nd embodiment. It is a fragmentary sectional view of the solenoid valve concerning a 3rd embodiment. It is a partial sectional view of the electromagnetic valve concerning a 4th embodiment.
  • FIG. 1 is a perspective view of an electromagnetic valve 1A according to the first embodiment.
  • FIG. 2 is a front view of the solenoid valve 1A.
  • FIG. 3 is a left side view of the solenoid valve 1A.
  • FIG. 4 is a right side view of the solenoid valve 1A.
  • FIG. 5 is a bottom view of the solenoid valve 1A.
  • FIG. 6 is a cross-sectional view of the solenoid valve 1A taken along line VI-VI in FIG.
  • FIG. 7 is a cross-sectional view taken along the line VV in FIG. 5 of the solenoid valve 1A in the first state, which will be described later.
  • the electromagnetic valve 1A is mounted, for example, on a cleaner for cleaning a vehicle lamp, an on-vehicle sensor, or a windshield of a vehicle.
  • the solenoid valve 1A is mounted on a cleaner for cleaning surveillance cameras.
  • the solenoid valve 1A is mounted on a cleaner that cleans a sensor that is attached to a structure installed on the ground, such as a traffic light or a street light, and acquires traffic information.
  • Sensors to be cleaned include, for example, cameras, LiDARs, and radars.
  • LiDAR is an abbreviation for Light Detection and Ranging or Laser Imaging Detection and Ranging.
  • the solenoid valve 1A has a flow path forming portion 10 and a solenoid 20.
  • the flow path forming portion 10 has an inflow portion 11 into which the fluid flows, a first outflow portion 12a into which the fluid flows out, and a second outflow portion 12b.
  • the solenoid 20 has a coil 21 , a mover 22 and an urging member 28 .
  • the mover 22 can reciprocate along the axial direction.
  • the elastic restoring force of the urging member 28 presses the movable element 22 toward the flow passage forming portion 10 side.
  • the movable element 22 moves toward the coil 21 against the elastic restoring force of the biasing member 28 .
  • each direction is defined based on the axial direction in which the moving axis A of the mover 22 extends.
  • the coil 21 side in the axial direction is called upward.
  • the axial side of the flow passage forming portion 10 is referred to as the downward direction.
  • a direction orthogonal to the axial direction is called a radial direction, and a rotating direction around the axial direction is called a circumferential direction.
  • the front, back, left, and right directions are defined.
  • the solenoid valve 1A can be switched between the first state and the second state by reciprocating movement of the mover 22.
  • the fluid In the first state, the fluid is permitted to flow out of the first outflow portion 12a and prevented from flowing out of the second outflow portion 12b.
  • the fluid In the second state, the fluid is permitted to flow out of the second outflow portion 12b and prevented from flowing out of the first outflow portion 12a.
  • the solenoid valve 1A has a solenoid housing 30 containing at least a coil 21.
  • the solenoid housing 30 has an accommodating portion 36 that accommodates at least the coil 21 and a sealing member 37 that seals the upper portion of the accommodating portion 36 .
  • the solenoid housing 30 is provided with an opening 32 that opens downward.
  • the mover 22 extends outside the solenoid housing 30 through the opening 32 .
  • a guide portion 26 that guides the mover 22 in the axial direction is arranged in the solenoid housing 30 .
  • the guide portion 26 is in contact with the guided portion 23 provided on the mover 22 .
  • the flow path forming part 10 has a first part 50 and a second part 70.
  • the first component 50 and the second component 70 constitute the channel 15 that guides the fluid from the inflow portion 11 to the first outflow portion 12a and the second outflow portion 12b.
  • the solenoid housing 30, the first part 50 and the second part 70 are arranged in this order from top to bottom in the axial direction.
  • a seal portion 90 that is an elastic member is provided between the solenoid housing 30 and the first component 50 .
  • the sealing portion 90 is restrained by restraining portions 90 a provided on the solenoid housing 30 and the first component 50 respectively.
  • the solenoid housing 30 and the second part 70 are provided with a support portion 17 for supporting each other.
  • the support portion 17 supports the solenoid housing 30 and the second component 70 with the first component 50 interposed therebetween so as not to be displaceable in the axial direction.
  • An O-ring 5 is provided between the first part 50 and the second part 70 .
  • Each of the first component 50 and the second component 70 is provided with a restraining portion 5a that restrains the O-ring 5 in the axial direction.
  • the first component 50 has an upper opening 50a adjacent to the opening 32 of the solenoid housing 30 with the seal portion 90 interposed therebetween, and a lower opening 50b adjacent to the second component 70.
  • the mover 22 extending outward from the opening 32 of the solenoid housing 30 is inserted inside the first part 50 through the upper opening 50 a of the first part 50 .
  • the first part 50 is configured in a rectangular shape when viewed from the axial direction.
  • the first component 50 has an inflow portion 11 and a first outflow portion 12a.
  • the first component 50 is provided with a pair of first side surfaces 55 facing each other.
  • a first connecting portion 51 is provided on one first side surface 55 .
  • a second connecting portion 52 is provided on the other first side surface 55 .
  • the first connection portion 51 is connected to the inflow portion 11 .
  • the second connection portion 52 is connected to the first outflow portion 12a.
  • the first connecting portion 51 and the second connecting portion 52 are tubular portions extending leftward and rightward from the first side surface 55, respectively.
  • the first component 50 is provided with a first opening 62 and a partition 53 .
  • the first opening 62 is bordered by a contact portion 62a that can come into contact with the opening/closing portion 25 provided at the tip of the mover 22.
  • the partition portion 53 extends downward from above.
  • the partition portion 53 radially partitions the space inside the first component 50 forming part of the flow path 15 into an inner space 50I and an outer space 50O.
  • the partition 53 is connected to the upper opening 50 a and the first opening 62 .
  • the inner space 50 ⁇ /b>I and the outer space 50 ⁇ /b>O are connected via the lower part of the partition part 53 .
  • the mover 22 extends in the inner space 50I.
  • the partition portion 53 is provided with a communication hole 53 a that connects the inner space 50 ⁇ /b>I and the inner space of the second connection portion 52 .
  • the first component 50 has an enclosing portion 54 that defines the outer peripheral edge of the outer space 50O.
  • the enclosing part 54 is connected to the lower opening 50b.
  • the enclosing portion 54 is provided with a communication hole 54 a that connects the outer space 50 ⁇ /b>O and the inner space of the first connection portion 51 .
  • the second part 70 has a second outlet 12b.
  • the second component 70 is provided with a third connection portion 72 connected to the second outflow portion 12b.
  • the third connecting portion 72 is a tubular portion extending in the axial direction.
  • the second part 70 has an upper opening 70 a adjacent to the lower opening 50 b of the first part 50 .
  • the second part 70 is provided with a second opening 82 bordered by a contact portion 82a that can come into contact with the opening/closing portion 25 of the mover 22 .
  • the third connecting portion is connected to the second opening 82 .
  • the second part 70 has an enclosing part 74 that defines the internal space of the second part 70 that forms part of the flow path 15 .
  • the enclosing part 74 is connected to the upper opening 70a and the second opening 82 .
  • the enclosing portion 74 has a larger diameter than the second opening portion 82 .
  • the first part 50 and the second part 70 are adjacent to each other with the O-ring 5 interposed therebetween so that the outer edge of the flow path 15 is formed by the surrounding part 54 of the first part 50 and the surrounding part 74 of the second part 70 . ing.
  • the opening/closing portion 25 of the mover 22 is positioned between the first component 50 and the second component 70 regardless of whether the electromagnetic valve 1A is in the first state or the second state. Specifically, the opening/closing part 25 is positioned between the first opening 62 and the second opening 82 .
  • the seal portion 90 is an elastic member that expands and contracts with the reciprocating movement of the mover 22 and suppresses the flow of the fluid from the flow path forming portion 10 to the coil 21 side.
  • the seal portion 90 is provided so as to partition between the mover 22 and the opening portion 32 of the solenoid housing 30 .
  • the seal portion 90 has a first attachment portion 91 fixed to the mover 22 and a second attachment portion 93 fixed to the flow path forming portion 10 .
  • the first attachment portion 91 is fixed to the groove portion 24 provided in the mover 22 .
  • the second mounting portion 93 is also fixed to the solenoid housing 30 .
  • the first attachment portion 91 and the second attachment portion 93 are each configured in a frame shape.
  • the first mounting portion 91 and the second mounting portion 93 are connected by a flexible portion 92 that is bent.
  • the first mounting portion 91 is smaller in size in the radial direction than the second mounting portion 93 and is provided inside the second mounting portion 93 .
  • the first mounting portion 91 and the second mounting portion 93 are formed in a circular shape (see FIG. 12 described later), and the diameter of the first mounting portion 91 is smaller than the diameter of the second mounting portion 93. .
  • the first attachment portion 91 may be directly fixed to the mover 22 or may be indirectly fixed to the mover 22 via another member fixed to the mover 22 .
  • the second attachment portion 93 may be directly or indirectly fixed to the first component 50 forming the flow path forming portion 10 .
  • the second attachment portion 93 may be directly or indirectly fixed to the solenoid housing 30 that does not change its positional relationship with respect to the flow path forming portion 10 .
  • "fixed to the flow path forming part 10" means to be fixed so that the relative position of the flow path forming part 10 does not change.
  • "fixed to the solenoid housing 30" means fixed so as not to change its relative position to the solenoid housing 30. As shown in FIG.
  • the seal portion 90 has a sheet-like portion and a tube-like portion provided in the center of the sheet-like portion and extending vertically from the sheet-like portion.
  • the first attachment portion 91 is provided in a tube-like portion
  • the second attachment portion 93 is provided in a sheet-like portion.
  • the first mounting portion 91 is in surface contact with the mover 22 . Specifically, the flat portion 91a extending in the axial direction of the first mounting portion 91 is fitted into the groove portion 24 of the mover 22 so as to be in surface contact.
  • the second mounting portion 93 is fixed to the flow passage forming portion 10 by being sandwiched between the solenoid housing 30 and the flow passage forming portion 10 . Specifically, the second mounting portion 93 is held down by the holding portion 90 a of the solenoid housing 30 and the holding portion 90 a of the first component 50 .
  • the second mounting portion 93 is fixed radially outside the opening 32 of the solenoid housing 30 and the upper opening 50 a of the first component 50 .
  • the second attachment portion 93 has a greater thickness in the axial direction than other portions of the seal portion 90 .
  • the seal portion 90 separates a space 90U on the coil 21 side and a space 90L on the flow path 15 side.
  • the guided portion 23 of the mover 22 is provided at a portion positioned within the space 90U.
  • Flow path 15 is defined by seal portion 90 , first component 50 , and second component 70 .
  • the channel 15 has a first channel 15a, a second channel 15b, and a third channel 15c.
  • the first flow path 15a refers to the flow path from the inflow portion 11 to the first opening 62 of the first component and the second opening 82 of the second component.
  • the second flow path 15b refers to the flow path from the first opening 62 of the first component to the first outflow portion 12a.
  • the third flow path 15c refers to the flow path from the second opening 82 of the second component to the second outflow portion 12b.
  • the operation of the solenoid valve 1A will be explained.
  • the coil 21 is not energized, the movable element 22 is pushed out by the biasing member 28, and the opening/closing part 25 contacts the contact part 82a of the second part 70.
  • the opening/closing portion 25 is not in contact with the contact portion 62a of the first component 50, and the first opening portion 62 is open. That is, in the first state, the fluid is permitted to flow from the first flow path 15a to the second flow path 15b through the first opening 62, and the fluid is permitted to flow out from the first outflow portion 12a.
  • the flow of fluid to the third flow path 15c through the second opening 82 and the outflow of the fluid from the second outflow portion 12b are blocked.
  • FIG. 8 is a cross-sectional view taken along line VV in FIG. 5 of the solenoid valve 1A in the second state.
  • the coil 21 is energized, the mover 22 is drawn toward the coil 21 side, and the opening/closing portion 25 contacts the contact portion 62a of the first component 50 to open the first opening.
  • This is a state in which the portion 62 is closed.
  • the opening/closing portion 25 is not in contact with the contact portion 82a of the second component 70, and the second opening portion 82 is open.
  • the fluid in the second state, the fluid is allowed to flow from the first channel 15a to the third channel 15c through the second opening 82, and the fluid is allowed to flow out from the second outlet 12b.
  • the flow of fluid to the second channel 15b through the first opening 62 and the outflow of the fluid from the first outflow portion 12a are blocked.
  • FIG. 9 is a cross-sectional view taken along line VII-VII in FIG. 2 of the solenoid valve 1A in the first state.
  • FIG. 10 is a cross-sectional view of the solenoid valve 1A in the first state taken along line VIII-VIII in FIG.
  • the support portion 17 has a first locking portion 71 provided on the second component 70 and a second locking portion 31 provided on the solenoid housing 30.
  • the first locking portion 71 is a portion extending in the axial direction.
  • the second locking portion 31 engages with the first locking portion 71 to suppress mutual displacement in the axial direction.
  • the first locking portion 71 has first locking portions 71a and 71b.
  • the first lock portion 71a is arranged along one first side surface 55 on which the first connection portion 51 of the first component 50 is provided and the other first side surface 55 on which the second connection portion 52 of the first component 50 is provided. , extending axially from the side of the second part 70 .
  • the first lock portion 71 b extends axially from the side surface of the second component 70 along the pair of second side surfaces 56 of the first component 50 that are adjacent to the first side surface 55 .
  • the width of the first lock portion 71b is greater than the width of the first lock portion 71a.
  • the first lock portions 71a and 71b have a first accommodation portion 75 capable of accommodating a first projection portion 35, which will be described later.
  • the first accommodating portion 75 has a first abutting surface 75a that abuts against a first abutting surface 35a, which will be described later.
  • the second locking portion 31 is provided on the side surface of the solenoid housing 30 along the direction in which the first locking portions 71a and 71b extend. As shown in FIG. 9 , the second locking portion 31 has a first protrusion 35 .
  • the solenoid housing 30 and the second component 70 support each other by accommodating the first protrusions 35 in the first accommodation portions 75 of the first locking portions 71a and 71b.
  • the first protrusion 35 has a first abutment surface 35a and a first slope 35b.
  • the first abutting surface 75a, the first abutting surface 35a, and the first slope 35b are arranged in this order in the axial direction.
  • the first slope 35b is inclined so as to protrude from the side surface of the solenoid housing 30 toward the first abutment surface 35a along the axial direction.
  • the first abutment surface 35a extends in a direction perpendicular to the axial direction.
  • the first abutment surface 35a abuts against the first abutted surface 75a, thereby suppressing the relative movement of the solenoid housing 30 and the second component 70 in the direction in which they are separated from each other.
  • the first projecting portion 35 of the solenoid housing 30 and the first accommodating portion 75 of the second component 70 are first movement suppressing portions that suppress the relative movement of the solenoid housing 30 and the second component 70 in the direction in which they separate from each other.
  • the first movement suppressing portion 18 defines the maximum separation distance between the solenoid housing 30 and the second component 70 .
  • the sealing portion 90 which is an elastic member, is provided between the solenoid housing 30 and the first component 50 (Fig. 7). Therefore, when the seal portion 90 is compressed, the distance between the solenoid housing 30 and the first component 50 is reduced by the amount of compression. That is, the first component 50 is provided so as to be relatively movable in the axial direction with respect to the solenoid housing 30 . Therefore, in the present embodiment, a mechanism is provided to suppress axial relative movement of the first component 50 with respect to the solenoid housing 30 .
  • the first lock portion 71b extending along the second side surface 56 of the first component 50 has a second accommodation portion 79 capable of accommodating the second protrusion 59. As shown in FIG.
  • the second housing portion 79 has a second abutment surface 79a that abuts against the second abutment surface 59a.
  • the first part 50 has a second projection 59.
  • the second projecting portion 59 is accommodated in the second accommodating portion 79 of the first locking portion 71b.
  • the second protrusion 59 has a second abutment surface 59a and a second slope 59b.
  • the second abutting surface 79a, the second abutting surface 39a, and the second slope 39b are arranged in this order in the axial direction.
  • the second slope 39b is inclined so as to protrude from the second side surface 56 of the first component 50 toward the second abutment surface 59a along the axial direction.
  • the second abutment surface 59a extends in a direction perpendicular to the axial direction.
  • the second abutment surface 59a abuts against the second abutment surface 79a to suppress the relative movement of the first component 50 and the second component 70 in the direction of separating from each other. That is, the second projecting portion 59 of the first component 50 and the second housing portion 79 of the second component 70 serve as the second movement that suppresses the relative movement in the direction in which the first component 50 and the second component 70 move away from each other.
  • a suppression unit 19 is configured. Although the first part 50 is axially movable relative to the solenoid housing 30 , the second movement suppressing part 19 prevents the first part 50 and the second part 70 from moving away from each other. Movement is restricted. Note that the first movement suppressing portion 18 and the second movement suppressing portion 19 are not arranged on the same straight line in the axial direction.
  • FIG. 6 is a cross section extending in a direction perpendicular to the axial direction through the first connection portion 51 or the second connection portion 52 . At least one of the sides 65 of the first part 50 appearing in this cross-section defines a first end 65a and a second end 65b opposite the first end 65a. At this time, the first lock portion 71a is positioned on the first end portion 65a side, and a space 67 through which the first connection portion 51 or the second connection portion 52 passes is provided from the first lock portion 71a to the second end portion 65b side. ing.
  • the pair of first locking portions 71a are arranged at positions facing each other along the direction in which the diagonal line of the first component 50 extends, when viewed from the axial direction. Further, as shown in FIG. 6, the first locking portions 71a are arranged on the sides of the pair of first side surfaces 55 facing each other of the first component 50, respectively. 3 and 4, when viewed from the side of the first side surface 55 on which the first connection portion 51 or the second connection portion 52 is provided, the second contact point is located on one side with respect to the movement axis A of the mover 22. 1 locking portion 71a is positioned, and the first locking portion 71a is not positioned on the other side. A space 67 provided on the side of the second end portion 65b from the first lock portion 71a is opened toward the solenoid housing 30 in the axial direction.
  • FIG. 11 is a cross-sectional view of the solenoid valve 1A taken along the line IX-IX in FIG. 2.
  • FIG. 12 is an exploded perspective view of the solenoid housing 30, the seal portion 90 and the first component 50.
  • the solenoid housing 30 has a communication passage 40 that allows gas to flow between its interior and exterior.
  • the communication passage 40 opens on the surface of the solenoid housing 30 facing the flow path forming portion 10 .
  • the communicating passage 40 opens at a position farther from the first mounting portion 91 of the seal portion 90 than the second mounting portion 93 in the radial direction orthogonal to the axial direction.
  • the seal portion 90 has a seat portion 94 extending radially outward from the second mounting portion 93 .
  • the seal portion 90 has a frame-shaped third mounting portion 95 fixed to the solenoid housing 30 .
  • the axial thickness of the third attachment portion 95 is greater than that of the seat portion 94 .
  • the third mounting portion 95 is fixed by being sandwiched between the solenoid housing 30 and the first component 50 .
  • the third mounting portion 95 is provided so as to border the seat portion 94, and the flow of gas from the gap between the solenoid housing 30 and the first component 50 to the region inside the third mounting portion 95 is suppressed. ing.
  • the seat portion 94 has a smaller thickness in the axial direction than the second mounting portion 93 and the third mounting portion 95 , and a gap exists between the seat portion 94 and the solenoid housing 30 .
  • the communication path 40 opens in the seat portion 94 between the second mounting portion 93 and the third mounting portion 95 in the radial direction orthogonal to the axial direction.
  • the seal portion 90 is located between the second mounting portion 93 and the third mounting portion 95 and has a through hole 96 that communicates the space partitioned by the seal portion 90 where the solenoid housing 30 is located and the outside of the space. .
  • a through hole 96 is provided in the sheet portion 94 . In the example shown in FIGS. 11 and 12, the communicating path 40 and the through hole 96 overlap when viewed from the axial direction. good.
  • a liquid reservoir 97 is formed in the space between the solenoid housing 30 and the seat portion 94 between the second mounting portion 93 and the third mounting portion 95 of the seal portion 90 .
  • the liquid reservoir portion 97 is a portion that can accumulate liquid when the liquid enters the space closer to the solenoid housing 30 than the seal portion 90 through the through hole 96 . Even if the liquid enters the through hole 96 , the liquid can be stored in the liquid reservoir 97 , so that the liquid is prevented from immediately entering the communication path 40 .
  • the second mounting portion 93 and the third mounting portion 95 are sandwiched and fixed between the solenoid housing 30 and the first component 50 and are also fixed to the flow path forming portion 10 .
  • the first part 50 of the flow path forming part 10 has a ventilation part 85 that allows gas to flow from the outside to the through hole 96 of the sheet part 94 .
  • the ventilation part 85 is provided outside the enclosing part 54 of the first component 50 and is a space that does not interfere with the flow path 15 .
  • the ventilation part 85 also allows gas to flow to the first component 50 through a gap existing radially outside the O-ring 5 between the first component 50 and the second component 70 .
  • the first locking portion 71a is positioned at least one first end portion 65a of the side 65 appearing in the cross section extending in the direction perpendicular to the axial direction through the first connecting portion 51 or the second connecting portion 52.
  • a space 67 through which the first connection portion 51 or the second connection portion 52 passes is provided from the first lock portion 71a to the second end portion 65b. Therefore, the first connection portion 51 and the second connection portion 52 that allow fluid to flow between the flow path forming portion 10 and the outside can be extended from the first component 50 .
  • the first connection portion 51 or the second connection portion 52 is sandwiched by the plurality of first locking portions 71a on the side 65 where the first connection portion 51 or the second connection portion 52 is provided, the first connection portion 51 or the second connection portion 52 is Even if the portion 51 or the second connection portion 52 is enlarged, the width of the first locking portion 71a can be easily secured and the strength can be easily secured. Further, when the space 67 provided on the side of the second end portion 65b from the first lock portion 71a is sufficiently large, the specification of the support portion 17 is not changed, and only the first part 50 is replaced. can be switched to the first connection portion 51 or the second connection portion 52.
  • the pair of first locking portions 71a are arranged at positions facing each other along the direction in which the diagonal line of the first component 50 extends, so that the solenoid housing 30 can be opened with little bias.
  • the second part 70 can support each other with the first part 50 interposed therebetween, and can suppress the occurrence of gaps between the members.
  • the second flow path 15b and the third flow path 15c which are switched between the open state and the closed state, are positioned on the movement axis A of the mover 22 of the electromagnetic valve 1A.
  • the first locking portion 71a is positioned relative to the movement axis A of the mover 22. on one side and not on the other. Therefore, the first connection portion 51 or the second connection portion 52 can be extended from the first component 50 near the flow path 15 on the movement axis A via the space 67 where the first locking portion 71a is not located.
  • the space 67 provided on the side of the second end portion 65b from the first lock portion 71a is open to the solenoid housing 30, so that the first connecting portion 51 is Alternatively, the second connecting portion 52 can be easily arranged, and the solenoid housing 30, the first part 50 and the second part 70 can be easily assembled.
  • the solenoid valve 1A has a flow path forming portion 10 having a first part 50 and a second part 70, and a solenoid housing 30.
  • the flow path 15 is formed by the first part 50 and the second part 70. It is Therefore, by replacing at least one of the first part 50 and the second part 70, specifications such as the number of switchable flow paths can be easily changed while adopting common parts such as the solenoid 20 and the solenoid housing 30 as they are. can be changed to Detailed modifications will be described in second through fourth embodiments, but for example, the arrangement, number, and size of the inflow and outflow sections can be easily changed. In addition, it is possible to easily change the specifications of the solenoid valve, such as a normally open system and a normally closed system.
  • the electromagnetic valve 1A many parts can be shared, and by changing only parts according to specifications, it is possible to standardize the production process.
  • the solenoid housing 30 and the second component 70 are supported by the supporting portions 17 provided respectively, with the first component 50 interposed therebetween.
  • the electromagnetic valve 1A can be easily disassembled, and the specifications can be easily changed.
  • the support portion 17 of the solenoid housing 30 includes the first protrusion 35
  • the support portion 17 of the second component 70 includes the first accommodation portion 75 capable of accommodating the first protrusion 35
  • the solenoid housing 30 and the second component 70 support each other by accommodating the first projecting portion 35 in the first accommodating portion 75 .
  • the first accommodating portion 75 does not accommodate the first projecting portion 35, so that the electromagnetic valve 1A can be disassembled and the specifications can be easily changed.
  • the opening/closing portion 25 is provided between the first part 50 and the second part 70 that can be disassembled, which facilitates the assembly of the electromagnetic valve 1A. Moreover, since the opening/closing part 25 is provided between the first part 50 and the second part 70, the first part 50 and the second part 70 can be easily replaced, and the specifications of the solenoid valve 1A can be easily changed. At least one of the first part 50 and the second part 70 is provided with an opening bordered by a contact part capable of contacting the opening/closing part 25, so that at least one opening can be opened/closed by the opening/closing part 25. It is possible to switch the flow path.
  • the first part 50 is provided with the inflow part 11, and the first part 50 and the second part 70 are provided with the first outflow part 12a and the second outflow part 12b, respectively.
  • the inflow portion may be provided in the second component as in a fourth embodiment described later. Also, as in the second to fourth embodiments to be described later, one of the first component and the second component may be provided with an outflow portion.
  • the first opening 62 and the second opening 82 are provided in the first part 50 and the second part 70 respectively, and the opening/closing part is provided between the first opening 62 and the second opening 82 . 25 is located. Thereby, it is possible to switch the flow of the fluid to the two channels.
  • one of the first component and the second component may be provided with an opening bordered by a contact portion capable of contacting the opening/closing portion.
  • the flow path forming portion 10 has the first part 50 and the second part 70, and the first part 50 is movable relative to the solenoid housing 30 by the seal portion 90, which is an elastic member. is the configuration.
  • the solenoid housing 30 and the second component 70 are provided with the first movement suppressing portion 18 that suppresses relative movement in the direction away from each other.
  • the sealing portion 90 which is an elastic member, is suppressed by the suppressing portion 90a between the solenoid housing 30 and the first component 50, thereby suppressing the flow of the fluid from the flow path forming portion 10 to the coil 21 side.
  • the O-ring 5 is provided between the first part 50 and the second part 70 , but the portion other than the holding portion 5 a that holds the O-ring 5 is not between the first part 50 and the second part 70 . distance is short. Therefore, the first component 50 and the solenoid housing 30 are restrained from moving relative to each other.
  • the first movement suppressing portion 18 and the second movement suppressing portion 19 are not arranged on the same straight line in the axial direction. 35 can be sandwiched and supported in a direction perpendicular to the axial direction.
  • the seal portion 90 since the seal portion 90 is provided, it is possible to suppress the fluid from flowing from the flow path forming portion 10 side to the coil 21 side. Further, since the seal portion 90 expands and contracts along with the reciprocating movement of the mover 22, the mover 22 can be operated with less electric power than, for example, a structure in which the seal portion 90 does not expand and contract and slides on the mover 22. can be operated.
  • the seal portion 90 since the seal portion 90 includes the first mounting portion 91 fixed to the mover 22 and the second mounting portion 93 fixed to the flow path forming portion 10, the seal portion 90 is movable. It can expand and contract with the reciprocating motion of the element 22, and can suppress the flow of the fluid from the flow path forming part 10 side to the coil 21 side.
  • the first mounting portion 91 is in surface contact with the mover 22, so that the flow of fluid from the flow path forming portion 10 side to the coil 21 side can be further suppressed.
  • the second attachment portion 93 of the seal portion 90 is sandwiched between the solenoid housing 30 and the flow path forming portion 10. As a result, the seal portion 90 can be firmly fixed with a simple structure.
  • the guided portion 23 of the mover 22 is provided in a portion of the space separated by the seal portion 90, which is located in the space on the coil 21 side. It is possible to suppress the flow of fluid from the portion 10 side to the guided portion 23 of the mover 22 .
  • the sealing portion 90 is provided, so that the flow passage forming portion 10 side It is possible to suppress the flow of fluid from the coil 21 side.
  • a solenoid valve 1A provided with a seal portion 90 between the mover 22 and the opening portion 32 for suppressing the flow of fluid from the flow passage forming portion 10 into the solenoid housing 30, the solenoid housing 30 By having the communication path 40 that allows gas to flow between the inside and the outside, it is possible to prevent the movement of the mover 22 from being hindered by the pressure difference between the inside and the outside of the solenoid housing 30 .
  • the communicating passage 40 is opened at a position farther from the first mounting portion 91 than the second mounting portion 93 in the direction orthogonal to the axial direction.
  • External gas can be introduced into the solenoid housing 30 while preventing it from flowing into the solenoid housing 30 from the flow path forming portion 10 by the sealing portion 90 provided between the opening 32 and the opening 32 .
  • the sealing portion 90 since the sealing portion 90 has the frame-shaped third mounting portion 95 fixed to the solenoid housing 30, dust, water, etc. from the outside can enter the solenoid housing via the communication passage 40. Entry into the interior of 30 can be further suppressed.
  • the sealing portion 90 has the through hole 96 between the second mounting portion 93 and the third mounting portion 95, so that the space in which the solenoid housing 30 is located is partitioned by the sealing portion 90. Gas can be circulated to the outside of the space, and more gas can be circulated to the communication passage 40 of the solenoid housing 30 .
  • the solenoid housing is partitioned by the seal portion 90 from the outside through the through hole 96, such as dust and water. Even if it enters the space where the solenoid 30 is located, it is possible to suppress the sudden entry into the solenoid housing 30 via the communication path 40 .
  • the space between the portion between the second mounting portion 93 and the third mounting portion 95 of the seal portion 90 and the solenoid housing 30 constitutes the liquid reservoir portion 97. . Therefore, even if liquid enters the space where the solenoid housing 30 is located, which is partitioned by the seal portion 90 through the through hole 96 , it is accumulated in the liquid reservoir portion 97 . can be suppressed.
  • entry into the solenoid housing 30 can be preferably suppressed.
  • the flow path forming part 10 since the flow path forming part 10 has the ventilation part 85 that allows the gas to flow from the outside to the through hole 96, , external gas can be taken into the solenoid housing 30 , and dust, water, etc. can be further suppressed from entering the solenoid housing 30 through the communication path 40 .
  • FIG. 13 is a partial cross-sectional view of the solenoid valve 1B.
  • the electromagnetic valve 1B differs from the electromagnetic valve 1A of the first embodiment in the second component 70. As shown in FIG. Therefore, in the following description, the parts different from the solenoid valve 1A will mainly be described, and the description of the common parts will be omitted as appropriate.
  • the second component 70B of the solenoid valve 1B does not have the second outflow portion 12b and the third connecting portion 72 of the solenoid valve 1A. Therefore, the electromagnetic valve 1B does not have the third flow path 15c of the electromagnetic valve 1A.
  • the opening/closing portion 25 does not contact the contact portion 62a of the first component 50, and the first opening portion 62 is opened. That is, in the open state, the fluid is allowed to flow from the first channel 15a to the second channel 15b through the first opening 62, and the fluid is allowed to flow out from the first outlet 12a.
  • the electromagnetic valve can be switched from a method of switching two flow paths to a method of switching ON/OFF of fluid supply to one flow path.
  • Valve specifications can be easily changed.
  • the solenoid valve 1B is configured as a normally open solenoid valve. Further, parts other than the second part 70 in the solenoid valve 1A of the first embodiment can be used as they are. Further, the actions and effects described in the first embodiment are similarly exhibited in the second embodiment as long as they do not contradict the electromagnetic valve 1B.
  • FIG. 14 is a partial cross-sectional view of the solenoid valve 1C.
  • the solenoid valve 1C differs from the solenoid valve 1A of the first embodiment in the first component 50. As shown in FIG. Therefore, in the following description, the parts different from the solenoid valve 1A will mainly be described, and the description of the common parts will be omitted as appropriate.
  • the first component 50C of the solenoid valve 1C does not have the first outflow portion 12a and the second connection portion 52 of the solenoid valve 1A. Therefore, the solenoid valve 1C does not have the second flow path 15b of the solenoid valve 1A.
  • the electromagnetic valve 1 ⁇ /b>C when the solenoid valve 1 ⁇ /b>C is in a non-energized closed state, the biasing member pushes the mover 22 , and the opening/closing portion 25 contacts the contact portion 82 a of the second component 70 to close the second opening 82 . That is, in the closed state, the flow of fluid to the third flow path 15c through the second opening 82 and the outflow of the fluid from the second outflow portion 12b are blocked.
  • the electromagnetic valve 1C when the electromagnetic valve 1C is in the open state in the energized state, the mover 22 is pulled toward the coil 21 side, the opening/closing portion 25 is separated from the contact portion 82a of the second component 70, and the second opening portion 82 is opened. That is, the fluid is allowed to flow from the first channel 15a to the third channel 15c through the second opening 82, and the fluid is allowed to flow out from the second outlet 12b.
  • the electromagnetic valve can be switched from a method of switching between two flow paths to a method of switching ON/OFF of fluid supply to one flow path.
  • Valve specifications can be easily changed.
  • the solenoid valve 1C is configured as a normally closed solenoid valve. Further, parts other than the first part 50 in the solenoid valve 1A of the first embodiment can be used as they are. Further, the actions and effects described in the first embodiment are similarly exhibited in the third embodiment as long as they do not contradict the electromagnetic valve 1C.
  • FIG. 15 is a partial cross-sectional view of the solenoid valve 1D.
  • the electromagnetic valve 1D differs from the electromagnetic valve 1A of the first embodiment in the first component 50 and the second component 70.
  • the seal portion 90 and the solenoid housing 30 are slightly different.
  • the first component 50D and the second component 70D which are different from the electromagnetic valve 1A, will be mainly described, and the description of the common parts will be omitted as appropriate.
  • the first part 50D of the solenoid valve 1D is not provided with the inflow part 11, the first outflow part 12a, the first connection part 51 and the second connection part 52 of the solenoid valve 1A.
  • the first component 50D has an enclosing portion 54D defining a portion of the outer edge of the flow path 15D on its inner side.
  • the second component 70D includes an inflow portion 11D, a first outflow portion 12aD, a second outflow portion 12bD, a first connection portion 51D connected to the inflow portion 11D, and a second connection portion connected to the first outflow portion 12aD. 52D and a third connection portion 72D connected to the second outflow portion 12bD.
  • the second part 70 ⁇ /b>D is provided with a second opening 82 bordered by a contact portion 82 a that can come into contact with the opening/closing portion 25 of the mover 22 .
  • the second component 70D is provided with a partition portion 53D that partitions the inner space and the outer space in the radial direction.
  • the partition portion 53D is connected to the second opening portion 82 .
  • the inner space partitioned by the partition portion 53D is connected to the third connection portion 72D.
  • the outer space partitioned by the partition portion 53D is connected to the first connection portion 51D and the second connection portion 52D.
  • a first flow path 15aD is configured by the outer space partitioned by the partition portion 53D of the second component 70D and the space enclosed by the enclosing portion 54 and the seal portion 90D of the first component 50D.
  • the seal portion 90D has the same configuration as the seal portion 90 in the solenoid valve 1A except that it does not have a radially outer portion than the second attachment portion 93.
  • a second flow path 15bD is configured by the inner space of the partition portion 53D of the second component 70D and the inner space of the second connection portion 52D.
  • the solenoid valve 1 ⁇ /b>D when the solenoid valve 1 ⁇ /b>D is closed, the biasing member pushes the mover 22 , and the opening/closing portion 25 contacts the contact portion 82 a of the second component 70 to close the second opening 82 . That is, in the closed state, the flow of fluid to the second flow path 15bD through the second opening 82 and the outflow of the fluid from the second outlet 12bD are blocked.
  • the electromagnetic valve 1D the mover 22 is pulled toward the coil 21 side in the open state when energized, the opening/closing portion 25 is separated from the contact portion 82a of the second component 70D, and the second opening portion 82 is opened.
  • the fluid is allowed to flow from the first channel 15aD to the second channel 15bD through the second opening 82, and the fluid is allowed to flow out from the second outlet 12bD.
  • the electromagnetic valve 1D allows fluid to flow to the first outflow portion 12aD.
  • the first part 50 and the second part 70 are changed to switch between two flow paths.
  • the specification of the solenoid valve can be changed to a method of switching the flow from one channel to another. Further, the actions and effects described in the first embodiment are similarly exhibited in the fourth embodiment as long as they do not contradict the electromagnetic valve 1D.
  • FIG. 16 is a diagram showing a first connection example of the solenoid valve.
  • FIG. 17 is a diagram showing a second connection example of the solenoid valve.
  • FIG. 18 is a diagram showing a third connection example of the solenoid valve.
  • FIG. 16 shows a cleaner system 9A composed of a tank 7, a plurality of cleaner units 8, and electromagnetic valves 1B and 1C.
  • a system can be constructed by combining the normally open solenoid valve 1B and the normally closed solenoid valve 1C according to the object to be cleaned and the priority of the cleaner unit 8, and the solenoid valves 1B and 1C can be expanded in constructing the system. highly sexual.
  • FIG. 17 shows a cleaner system 9B composed of a tank 7, a plurality of cleaner units 8, and a plurality of electromagnetic valves 1A.
  • the solenoid valve 1A capable of switching between two flow paths, it is possible to switch the supply of fluid to a plurality of cleaner units 8 with a small number.
  • a normally open flow path or a normally closed flow path can be selected according to the object to be cleaned by the cleaner unit 8 and the priority thereof, so that the expandability of the system is high.
  • FIG. 18 shows a cleaner system 9C composed of a tank 7, a plurality of cleaner units 8, and a plurality of electromagnetic valves 1D.
  • a cleaner system can be achieved by arranging the electromagnetic valve 1D at the branch point of the flow path, even with the solenoid valve 1D that can switch the flow of the fluid to another flow path while allowing the flow of the fluid to one flow path.
  • 9C can be constructed.
  • the solenoid valve provided with the rectangular first component when viewed from the bottom side was described, but other shapes may be used as long as the action and effect are not inconsistent.
  • it may be a polygonal shape other than a rectangle, or a shape in which some surfaces are rounded.
  • the flow path forming part is configured by the first part and the second part.
  • the flow path forming part may be formed of one part as long as the action and effect are not inconsistent.
  • the configuration having two outflow portions was described, but the configuration having one outflow portion as shown in the above-described second and third embodiments may be used. good.
  • the second part has the first locking portion extending axially to the position where the second locking portion of the solenoid housing is provided.
  • the second component may be provided with a first locking portion protruding in the radial direction, and the second locking portion may extend axially to the position where the first locking portion of the second component is provided in the solenoid housing and engage with the first locking portion. 2 locks may be provided.
  • seal portion has been described, but it is possible to make appropriate changes within a range that does not contradict the action and effect.
  • an O-ring or the like may be employed instead of the above-described seal portion having a flexible portion.
  • the seat portion and the third mounting portion may be eliminated, and the seal portion may be configured by the first mounting portion, the flexible portion, and the second mounting portion.
  • the communication path of the solenoid housing is open on the surface facing the flow path forming part, but it may be open on other surfaces as long as the action and effect are not inconsistent. Further, the communication path may not be provided as long as the action and effect are not inconsistent.
  • 1A, 1B, 1C, 1D Solenoid valve
  • 2 Sealing member
  • 5a Retaining part
  • 8 Cleaner unit
  • 9A, 9B, 9C Cleaner system
  • 10 Flow path configuration Part 11, 11D: inflow part 12a, 12aD: first outflow part 12b, 12bD: second outflow part 15, 15D: flow path 15a, 15aD: first flow path 15b, 15bD: second flow Path 15c: Third flow path 18: First movement suppressing part 19: Second movement suppressing part 20: Solenoid 21: Coil 22: Mover 23: Guided part 24: Groove 25: Opening/closing part 26: guide part 28: biasing member 30: solenoid housing 31: second locking part 32: opening 35: first protrusion 35a: first abutment surface 35b: first slope , 39a: second abutment surface, 39b: second slope, 40: communicating path, 50, 50C, 50D: first part, 50

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
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EP22742468.6A EP4283169A4 (en) 2021-01-25 2022-01-12 ELECTROMAGNETIC VALVE
US18/273,932 US12313177B2 (en) 2021-01-25 2022-01-12 Electromagnetic valve

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JP2024064642A (ja) * 2022-10-28 2024-05-14 株式会社アイシン 給気装置
CN119353486B (zh) * 2024-12-25 2025-04-15 江苏工搪化工设备有限公司 一种具有分向导流功能的搪瓷阀门

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US12313177B2 (en) 2025-05-27
JPWO2022158346A1 (enExample) 2022-07-28

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