WO2021066087A1 - 電磁弁及び流体装置 - Google Patents

電磁弁及び流体装置 Download PDF

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Publication number
WO2021066087A1
WO2021066087A1 PCT/JP2020/037402 JP2020037402W WO2021066087A1 WO 2021066087 A1 WO2021066087 A1 WO 2021066087A1 JP 2020037402 W JP2020037402 W JP 2020037402W WO 2021066087 A1 WO2021066087 A1 WO 2021066087A1
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WO
WIPO (PCT)
Prior art keywords
inlet pipe
outlet pipe
reinforcing member
refrigerant
solenoid valve
Prior art date
Application number
PCT/JP2020/037402
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
正起 延原
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021551444A priority Critical patent/JP7154434B2/ja
Publication of WO2021066087A1 publication Critical patent/WO2021066087A1/ja

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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

Definitions

  • the present invention relates to a solenoid valve and a fluid device.
  • the valve body used in the cooling circuit has a reinforcing structure to protect it from damage during product transportation.
  • the valve body includes a solenoid valve having a valve body, an inlet pipe, and an outlet pipe.
  • the valve body includes a soundproof box having a support hole that surrounds the valve body and allows the refrigerant inlet pipe and the refrigerant outlet pipe to penetrate.
  • soundproof and vibration-proof materials are wrapped around the inlet and outlet pipes inside and outside the soundproof box.
  • a sealing member is wound between the soundproof / vibration-proof material and the support hole.
  • the valve body is a branch pipe joint in which a branch pipe is welded to the main pipe of a thermoplastic resin.
  • an intermediate layer made of a reinforcing material is formed along the outer surface of the welded portion of the branch pipe joint.
  • a fiber-reinforced thermosetting resin layer covering the intermediate layer is formed.
  • a reinforcing member is attached to the outer periphery of the branch portion of the pipe to ensure the support rigidity of the branch portion.
  • the present invention has been made in view of the above reasons, and an object of the present invention is to provide an electromagnetic valve and a fluid device that can secure the support rigidity of a component and prevent an increase in replacement time when the component is replaced. To do.
  • the solenoid valve of the present invention is an inlet pipe which is an inlet of a refrigerant supplied from the outside and an outlet which discharges the refrigerant to the outside, and is an outlet pipe extending in a direction different from the inlet pipe.
  • a solenoid valve including a valve body having a movable portion that connects the inlet pipe and the outlet pipe and opens and closes a flow path of the refrigerant, and a coil portion.
  • the inlet pipe side surface portion and the outlet of the inlet pipe are provided.
  • a reinforcing member for connecting to the side surface of the outlet pipe of the pipe is provided.
  • a reinforcing member for connecting the side surface portion of the inlet pipe of the inlet pipe and the side surface portion of the outlet pipe of the outlet pipe.
  • the reinforcing member can be fixed to the inlet pipe, the outlet pipe and the valve body by, for example, a three-point connection by brazing or elastic deformation. Therefore, according to the present invention, it is possible to secure the support rigidity of the components of the solenoid valve and prevent the replacement time from increasing when the components are replaced.
  • FIG. 1 Perspective view of the solenoid valve according to the first embodiment of the present invention.
  • FIG. 1 An exploded perspective view of the solenoid valve according to the first embodiment of the present invention.
  • Sectional drawing of the solenoid valve which concerns on Embodiment 1 of this invention Perspective view of the solenoid valve according to the second embodiment of the present invention.
  • Embodiment 1 The solenoid valve 10 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 4.
  • the coil portion 200, the refrigerant inlet pipe 101, the refrigerant outlet pipe 102, the refrigerant inlet pipe expanding portion 104, and the refrigerant outlet pipe expanding portion 105, which will be described later, are shown in cross sections.
  • the solenoid valve 10 includes a valve body 100, a coil portion 200, and a reinforcing member 300.
  • the valve body 100 includes a refrigerant inlet pipe 101 which is an inlet of a refrigerant supplied from the outside.
  • the valve body 100 includes a refrigerant outlet pipe 102, which is an outlet for discharging the refrigerant from the valve body 100 to the outside.
  • the valve body 100 includes a movable portion 103 that opens and closes a flow path of the refrigerant from the refrigerant inlet pipe 101 to the refrigerant outlet pipe 102.
  • the refrigerant inlet pipe 101 is a copper pipe connected to the movable portion 103.
  • the refrigerant inlet pipe 101 extends from the side portion of the movable portion 103 in an axial direction perpendicular to the axial direction of the movable portion 103.
  • a refrigerant inlet pipe expansion portion 104 is arranged at the tip of the refrigerant inlet pipe 101.
  • the inner diameter of the refrigerant inlet pipe expanding portion 104 is wider than the inner diameter of the refrigerant inlet pipe 101 in order to insert and braze a mating member (not shown) for piping.
  • the refrigerant inlet pipe expanding portion 104 may be integrally formed with the refrigerant inlet pipe 101, or may be a separate component fixed to the refrigerant inlet pipe 101.
  • the refrigerant outlet pipe 102 is a copper pipe body connected to the movable portion 103.
  • the refrigerant outlet pipe 102 extends in an axial direction different from the axial direction of the refrigerant inlet pipe 101.
  • the axial direction of the refrigerant inlet pipe 101 and the axial direction of the refrigerant outlet pipe 102 are orthogonal to each other.
  • a refrigerant outlet pipe expansion portion 105 is formed at the tip of the refrigerant outlet pipe 102.
  • the inner diameter of the refrigerant outlet pipe expanding portion 105 is wider than the inner diameter of the refrigerant outlet pipe 102 in order to insert and braze a mating member (not shown) for piping.
  • the refrigerant outlet pipe expansion portion 105 may be integrally formed with the refrigerant outlet pipe 102, or may be a separate component fixed to the refrigerant outlet pipe 102.
  • the movable portion 103 is formed in a form having a substantially two-stage circumferential outer surface.
  • a valve side surface 106 which is a circumferential surface to which the refrigerant inlet pipe 101 is connected, is formed in the small diameter portion 103a having a small outer diameter among the movable portions 103.
  • the small diameter portion 103a is formed with a valve bottom surface 107, which is a bottom surface to which the refrigerant outlet pipe 102 is connected.
  • the coil portion 200 is fitted to the large diameter portion 103b having a large outer diameter among the movable portions 103.
  • a valve body (not shown) that opens and closes the flow path of the refrigerant in the order of the refrigerant inlet pipe 101, the movable portion 103, and the refrigerant inlet pipe expansion portion 104 is provided by a known mechanism.
  • the coil portion 200 has a coil included inside the housing for applying an electromagnetic force to the valve body of the movable portion 103.
  • the coil is supplied with power from an external power source (not shown).
  • the coil portion 200 is formed with a coil portion inner wall surface 201 which is a circumferential inner surface.
  • the valve body 100 and the coil portion 200 are fitted and locked by the large diameter portion 103b of the movable portion 103 of the valve body 100 and the inner wall surface 201 of the coil portion of the coil portion 200.
  • the fitted and locked coil portion 200 is removed and replaced.
  • the solenoid valve 10 opens and closes the flow path by converting the current flowing through the coil of the coil portion 200 into the mechanical motion of the movable portion 103 by electromagnetic induction.
  • the reinforcing member 300 includes a stay 301 extending between the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102.
  • the reinforcing member 300 includes a mounting portion 302 that is attached to the refrigerant inlet pipe 101.
  • the reinforcing member 300 includes a mounting portion 303 that is attached to the refrigerant outlet pipe 102.
  • the reinforcing member 300 includes an inlet pipe contact portion 304 that contacts the outer peripheral surface of the refrigerant inlet pipe 101.
  • the reinforcing member 300 includes an outlet pipe contact portion 305 that contacts the outer peripheral surface of the refrigerant outlet pipe 102.
  • the reinforcing member 300 includes an inlet pipe expansion contact portion 306 that contacts the refrigerant inlet pipe expansion portion 104. Further, the reinforcing member 300 includes an outlet pipe expansion contact portion 307 that contacts the refrigerant outlet pipe expansion portion 105.
  • the reinforcing member 300 is formed from a copper plate in which the above parts are integrated. Since it is molded from a plate material, each portion of the reinforcing member 300 has the same plate thickness.
  • the reinforcing member 300 is a member that connects the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102.
  • the reinforcing member 300 reinforces the solenoid valve 10 by forming a triangle with the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102.
  • the stay 301 is a part formed in a flat strip shape.
  • the stay 301 is a connecting portion that connects the mounting portion 302 and the mounting portion 303.
  • the mounting portion 302 is a first connecting portion that is mounted on the side surface portion of the refrigerant inlet pipe 101, which is the side surface portion of the inlet pipe, by fitting and locking.
  • the mounting portion 302 has a shape in which a strip-shaped plate is wound and a part of the mounting portion 302 is opened in a C shape.
  • the length of the C-shaped circumference is shorter than the length of one circumference and longer than the length of 1/2 circumference.
  • the mounting portion 302 has substantially the same outer diameter as the refrigerant inlet pipe 101, and has an inner diameter that does not loosen when mounted on the refrigerant inlet pipe 101.
  • One end of the C-shape of the mounting portion 302 is connected to one end of the stay 301.
  • the mounting portion 303 is a second connecting portion that is mounted on the side surface portion of the refrigerant outlet pipe 102, which is the side surface portion of the outlet pipe, by fitting and locking. Like the mounting portion 302, the mounting portion 303 has a shape in which a strip-shaped plate is wound and a part of the mounting portion 303 is opened in a C shape. The length of the C-shaped circumference is shorter than the length of one circumference and longer than the length of 1/2 circumference.
  • the mounting portion 303 has substantially the same outer diameter as the refrigerant outlet pipe 102, and has an inner diameter that does not loosen when mounted on the refrigerant outlet pipe 102. One end of the C-shape of the mounting portion 303 is connected to the other end of the stay 301.
  • the inlet pipe contact portion 304 is the inner peripheral surface of the mounting portion 302.
  • the open portion of the mounting portion 302 is expanded from the outer diameter of the refrigerant inlet pipe 101 by elastic deformation, and then the mounting portion 302 is fitted into the refrigerant inlet pipe 101 and locked.
  • the inlet pipe contact portion 304 comes into contact with the outer peripheral surface of the refrigerant inlet pipe 101.
  • the outlet pipe contact portion 305 is the inner peripheral surface of the mounting portion 303.
  • the open portion of the mounting portion 303 is expanded from the outer diameter of the refrigerant outlet pipe 102 by elastic deformation, and then the mounting portion 303 is fitted into the refrigerant outlet pipe 102 and locked.
  • the outlet pipe contact portion 305 comes into contact with the outer peripheral surface of the refrigerant outlet pipe 102.
  • the inlet pipe expansion contact portion 306 is an end portion of the mounting portion 302 on the refrigerant inlet pipe expansion portion 104 side.
  • the inlet pipe expansion contact portion 306 contacts the refrigerant inlet pipe expansion portion 104 at the end of the refrigerant inlet pipe 101 when the attachment portion 302 is attached to the refrigerant inlet pipe 101. At this time, either the end surface of the inlet pipe expansion contact portion 306 or the edge portion thereof abuts on the refrigerant inlet pipe expansion contact portion 104.
  • the outlet pipe expansion contact portion 307 is an end portion of the mounting portion 303 on the refrigerant outlet pipe expansion pipe expansion portion 105 side.
  • the outlet pipe expansion pipe contact portion 307 contacts the refrigerant outlet pipe expansion pipe portion 105 at the end of the refrigerant outlet pipe 102 when the mounting portion 303 is attached to the refrigerant outlet pipe 102. At this time, either the end surface of the outlet pipe expansion contact portion 307 or the edge portion thereof abuts on the refrigerant outlet pipe expansion contact portion 105.
  • the mounting of the reinforcing member 300 is positioned by the contact between the refrigerant inlet pipe expansion portion 104 and the inlet pipe expansion pipe contact portion 306, and the contact between the refrigerant outlet pipe expansion portion 105 and the outlet pipe expansion pipe contact portion 307. It is said.
  • the reinforcing member 300 attached to the valve body 100 ensures the support rigidity of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 during transportation and operation of the solenoid valve 10. Therefore, the phase shift of the vibration between the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 can be suppressed especially during transportation. This makes it possible to reduce the stress generated at the roots of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 during transport vibration.
  • the reinforcing member 300 does not interfere with the coil portion 200. Therefore, when the coil portion 200 of the solenoid valve 10 is rusted or disconnected and needs to be replaced, the coil portion 200 fitted and locked in the movable portion 103 can be easily removed and replaced.
  • the mass of the reinforcing member 300 is sufficiently smaller than the mass of the valve body 100 and the coil portion 200 and can be ignored. Therefore, the resonance frequency does not change significantly depending on the presence or absence of the reinforcing member 300.
  • the resonance frequency ⁇ of the solenoid valve is reduced by 0.5% from the increase rate of the mass m. Therefore, the resonance frequency ⁇ of the solenoid valve is not significantly affected. Therefore, according to the first embodiment, unlike the conventional structure in which the resonance frequency ⁇ of the solenoid valve changes significantly and resonates due to vibration during transportation, other structural parts connected to the solenoid valve 10 are not affected. ..
  • the refrigerant inlet pipe expansion portion 104 and the inlet pipe expansion pipe contact portion 306, and the refrigerant outlet pipe expansion portion 105 and the outlet pipe expansion pipe contact portion 307 are in contact with each other.
  • the reinforcing member 300 is fixed to the valve body 100. Therefore, the reinforcing member 300 can be easily positioned and can be attached without error.
  • the load when the reinforcing member 300 receives a load due to vibration, the load can be distributed in the axial direction of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102. Therefore, it is possible to effectively prevent the reinforcing member 300 from falling off.
  • brazing or welding can be considered as a method of fixing the reinforcing member 300 to the valve body 100.
  • the melting point of the reinforcing member 300 needs to be equal to or higher than the melting point of the brazing material.
  • the material of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 is copper. Therefore, in order to prevent electrolytic corrosion, the material of the reinforcing member 300 is preferably the above-mentioned copper or stainless steel.
  • the material of the reinforcing member 300 is copper in the model of the assumed solenoid valve 10.
  • the stress at the root portion on the vertical side of the refrigerant inlet pipe 101 can be reduced by about 43% and the stress at the root portion on the side surface side can be reduced by about 5%, respectively, as compared with the case where the reinforcing member 300 is not attached. Is.
  • Embodiment 2 The solenoid valve 20 according to the second embodiment of the present invention will be described with reference to FIGS. 5 and 6.
  • the solenoid valve 20 includes a valve body 100, a coil portion 200, and a reinforcing member 400.
  • the valve body 100 and the coil portion 200 each have the same structure as that described in the first embodiment.
  • the reinforcing member 400 will be described.
  • the reinforcing member 400 includes a refrigerant inlet pipe 101, a refrigerant outlet pipe 102, and a stay 401 extending over a small diameter portion 103a.
  • the reinforcing member 400 includes a mounting portion 402 that is attached to the refrigerant inlet pipe 101.
  • the reinforcing member 400 includes a mounting portion 403 that is attached to the refrigerant outlet pipe 102.
  • the reinforcing member 400 includes an inlet pipe contact portion 404 that contacts the outer peripheral surface of the refrigerant inlet pipe 101.
  • the reinforcing member 400 includes an outlet pipe contact portion 405 that contacts the outer peripheral surface of the refrigerant outlet pipe 102.
  • the reinforcing member 400 includes an inlet pipe expansion contact portion 406 that contacts the refrigerant inlet pipe expansion portion 104.
  • the reinforcing member 400 includes an outlet pipe expansion contact portion 407 that contacts the refrigerant outlet pipe expansion portion 105.
  • the reinforcing member 400 includes a valve side surface contact portion 408 that contacts the valve side surface 106.
  • the reinforcing member 400 includes a valve bottom surface contact portion 409 that contacts the valve bottom surface 107.
  • the reinforcing member 400 includes a support portion 410 that supports the movable portion 103.
  • the reinforcing member 400 is a member formed from a copper plate in which the above-mentioned parts are integrated.
  • the molding method is arbitrary, but in the second embodiment, the plate thickness of each part is the same.
  • the reinforcing member 400 is connected to the movable portion 103 in addition to the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102.
  • the reinforcing member 400 is a member that reinforces the valve body 100 by the triangle of the reinforcing member 400 itself, in addition to forming the triangle of the refrigerant inlet pipe 101, the refrigerant outlet pipe 102, and the reinforcing member 300.
  • the stay 401 has a right-angled triangular shape that matches the orthogonal refrigerant inlet pipe 101 and the refrigerant outlet pipe 102.
  • a right-angled triangular hole is provided inside the stay 401 for weight reduction.
  • the right triangle of the stay 401 is formed by connecting the strips corresponding to the three sides.
  • the mounting portion 402, the inlet pipe contact portion 404, and the inlet pipe expansion contact portion 406 on the side of the refrigerant inlet pipe 101 are the mounting portion 302, the inlet pipe contact portion 304, and the inlet pipe expansion contact portion 406 of the first embodiment, respectively. It is formed in the same manner as the portion 306.
  • the mounting portion 403, the outlet pipe contacting portion 405, and the outlet pipe expanding pipe contacting portion 407 on the side of the refrigerant outlet pipe 102 are the mounting portion 303, the outlet pipe contacting portion 305, and the outlet pipe expanding pipe contacting portion 407 of the first embodiment, respectively. It is formed in the same manner as the portion 307.
  • the support portion 410 is a support portion that is attached to the small diameter portion 103a of the movable portion 103 and supports the movable portion 103.
  • the support portion 410 has a shape in which a part of the support portion 410 is open in a C shape when viewed in the Y-axis direction.
  • the length of the C-shaped circumference is shorter than the length of one circumference and longer than the length of 1/2 circumference.
  • the valve side surface contact portion 408 is the inner peripheral surface of the support portion 410.
  • the valve bottom surface contact portion 409 is the bottom surface of the support portion 410.
  • the valve side surface contact portion 408 is erected at a right angle from the valve bottom surface contact portion 409.
  • the valve side surface contact portion 408 is a surface that abuts on the valve side surface 106, which is the outer peripheral surface of the small diameter portion 103a of the movable portion 103.
  • the valve bottom surface contact portion 409 is a surface that contacts the valve bottom surface 107, which is the bottom surface of the small diameter portion 103a.
  • the valve bottom surface contact portion 409 has substantially the same outer diameter as the small diameter portion 103a, and has an inner diameter that does not loosen when attached to the small diameter portion 103a.
  • One end of the valve side contact portion 408 and the valve bottom surface contact portion 409 is connected to the right-angled edge of the stay 401.
  • the support portion 410 is attached by being fitted and locked in the small diameter portion 103a of the movable portion 103.
  • the open portion of the support portion 410 is expanded from the outer diameter of the small diameter portion 103a by elastic deformation, and then the outlet pipe expansion tube contact portion 407 is fitted into the small diameter portion 103a to be locked.
  • the valve side surface contact portion 408 comes into contact with the outer peripheral surface of the small diameter portion 103a. Further, the valve bottom surface contact portion 409 contacts the surface of the small diameter portion 103a in the + Y direction.
  • the reinforcing member 400 is attached to the valve body 100 at three points, it is not fixed by brazing, welding, or the like and is removable. If necessary, the reinforcing member 400 is removed from the valve body 100 by removing the mounting portion 402, the mounting portion 403, and the supporting portion 410 in the reverse procedure at the time of mounting.
  • the reinforcing member 400 attached to the valve body 100 ensures the support rigidity of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 during transportation and operation of the solenoid valve 20. Therefore, the phase shift of the vibration between the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 is suppressed especially during transportation, so that the stress generated at the roots of the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 during transportation vibration can be reduced. Is possible.
  • the difference from the first embodiment is that the valve side surface 106 and the valve side surface contact portion 408 are in contact with each other, and the valve bottom surface 107 and the valve bottom surface contact portion 409 are in contact with each other. That is, since the movable portion 103 is supported by the reinforcing member 400, it is possible to suppress the deformation of the refrigerant inlet pipe 101 in the left-right direction.
  • the reinforcing member 400 does not interfere with the coil portion 200 as in the first embodiment. Therefore, when the coil portion 200 of the solenoid valve is rusted or disconnected and needs to be replaced, the coil portion 200 fitted and locked in the movable portion 103 can be easily removed and replaced.
  • the mass of the reinforcing member 400 is sufficiently smaller than the mass of the valve body 100 and the coil portion 200 and can be ignored. Therefore, the resonance frequency of the solenoid valve does not change significantly depending on the presence or absence of the reinforcing member 400.
  • the resonance frequency ⁇ of the solenoid valve is reduced by 0.25% from the increase rate of the mass m. Therefore, the resonance frequency ⁇ of the solenoid valve is not significantly affected. Therefore, according to the second embodiment, unlike the conventional structure in which the resonance frequency ⁇ of the solenoid valve changes significantly and resonates due to vibration during transportation, other structural parts connected to the solenoid valve 20 are not affected. ..
  • the reinforcing member 400 of the valve body 100 As the second embodiment, regarding the reinforcing member 400 of the valve body 100, the refrigerant inlet pipe expansion portion 104 and the inlet pipe expansion pipe contact portion 406, and the refrigerant outlet pipe expansion portion 105 and the outlet pipe expansion pipe contact portion 407 , Each come into contact with each other.
  • the valve side surface 106 and the valve side surface contact portion 408, and the valve bottom surface 107 and the valve bottom surface contact portion 409 come into contact with each other. Therefore, the reinforcing member 400 can be easily positioned and can be mounted without error.
  • the load when the reinforcing member 400 receives a load due to vibration, the load can be distributed in the axial direction of the refrigerant inlet pipe 101, the refrigerant outlet pipe 102, and the movable portion 103. Therefore, it is possible to prevent the reinforcing member 400 from falling off.
  • the reinforcing member 400 as a method of fixing the reinforcing member 400 to the valve body 100, it is possible to fix the reinforcing member 400 at three points, the mounting portion 402, the mounting portion 403, and the support portion 410, by elastic deformation called snap fit.
  • the reinforcing member 400 is removed before the brazed portion is heated. In this case, it is preferable that the reinforcing member 400 is easy to remove.
  • Embodiment 3 The fluid device 700 according to the third embodiment of the present invention will be described with reference to FIG. 7.
  • the fluid device 700 shown in FIG. 7 is an air conditioner outdoor unit.
  • One or a plurality of the above-mentioned solenoid valves 10 and 20 are provided at arbitrary positions inside and outside the fluid device 700.
  • the solenoid valve 10 includes a reinforcing member 300
  • the solenoid valve 20 includes a reinforcing member 400.
  • the solenoid valves 10 and 20 connect the pipes routed inside the fluid device 700, and control the flow rate of the refrigerant by the movable portion 103 that opens and closes the flow path of the refrigerant.
  • the above-mentioned advantageous effects of the solenoid valves 10 and 20 by the reinforcing members 300 and 400 can be obtained.
  • it is a fluid device which is connected by piping and has a structure through which fluid flows and solenoid valves 10 and 20, for example, it may be a refrigerator, a refrigerator or other device.
  • the material of the reinforcing member 400 is not only the above-mentioned copper but also a lightweight and easy-to-remove resin that prevents electrolytic corrosion. Further, in order to secure the strength, for example, a fiber reinforced resin containing glass fiber may be used.
  • the root stress on the vertical side of the refrigerant inlet pipe 101 is about 20% and the root stress on the side surface side is about 15% as compared with the case where the reinforcing member 400 is not attached. Each can be reduced.
  • the reinforcing member 300 and the reinforcing member 400 are integrally molded, respectively, from the viewpoint of mass and cost.
  • the reinforcing member 300 and the reinforcing member 400 may be a separate type that is fastened with, for example, a fastening member within a range where reasonable reinforcement is possible.
  • the reinforcing member 300 and the reinforcing member 400 may have a shape that increases the rigidity of the reinforcing member 300 and the reinforcing member 400 itself by changing the shape by, for example, a rib.
  • the present invention can be suitably adopted in, for example, a cooling circuit of a refrigerator or a refrigerator.
  • valve body 101 refrigerant inlet pipe, 102 refrigerant outlet pipe, 103 movable part, 103a small diameter part, 103b large diameter part, 104 refrigerant inlet pipe expansion part, 105 refrigerant outlet pipe expansion part, 106 valve side surface , 107 valve bottom, 200 coil part, 201 coil part inner wall surface, 300, 400 reinforcement member, 301, 401 stay, 302, 402 mounting part, 303, 403 mounting part, 304, 404 inlet pipe contact part, 305, 405 exit Pipe contact part, 306, 406 inlet pipe expansion contact part, 307, 407 outlet pipe expansion contact part, 408 valve side surface contact part, 409 valve bottom contact part, 410 support part, 700 fluid device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Magnetically Actuated Valves (AREA)
PCT/JP2020/037402 2019-10-03 2020-10-01 電磁弁及び流体装置 WO2021066087A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021551444A JP7154434B2 (ja) 2019-10-03 2020-10-01 電磁弁及び流体装置

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Application Number Priority Date Filing Date Title
JP2019-182828 2019-10-03
JP2019182828 2019-10-03

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WO2021066087A1 true WO2021066087A1 (ja) 2021-04-08

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JP (1) JP7154434B2 (enrdf_load_stackoverflow)
WO (1) WO2021066087A1 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064311U (enrdf_load_stackoverflow) * 1973-10-12 1975-06-11
JPS5189715U (enrdf_load_stackoverflow) * 1975-01-16 1976-07-17
JPS578221U (enrdf_load_stackoverflow) * 1980-06-16 1982-01-16
JPS58157079U (ja) * 1982-04-16 1983-10-20 松下冷機株式会社 弁本体取付装置
JPS62246608A (ja) * 1986-02-14 1987-10-27 ストパンスコ・プレドプリアテイエ“ブルガルスカ・フイラテリア・イ・ヌミズマテイカ” パ−ツのための空間ジヨイント

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064311U (enrdf_load_stackoverflow) * 1973-10-12 1975-06-11
JPS5189715U (enrdf_load_stackoverflow) * 1975-01-16 1976-07-17
JPS578221U (enrdf_load_stackoverflow) * 1980-06-16 1982-01-16
JPS58157079U (ja) * 1982-04-16 1983-10-20 松下冷機株式会社 弁本体取付装置
JPS62246608A (ja) * 1986-02-14 1987-10-27 ストパンスコ・プレドプリアテイエ“ブルガルスカ・フイラテリア・イ・ヌミズマテイカ” パ−ツのための空間ジヨイント

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JP7154434B2 (ja) 2022-10-17

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