WO2003104696A1 - Vanne electromagnetique - Google Patents

Vanne electromagnetique Download PDF

Info

Publication number
WO2003104696A1
WO2003104696A1 PCT/JP2003/006664 JP0306664W WO03104696A1 WO 2003104696 A1 WO2003104696 A1 WO 2003104696A1 JP 0306664 W JP0306664 W JP 0306664W WO 03104696 A1 WO03104696 A1 WO 03104696A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
air supply
manual button
solenoid
passage
Prior art date
Application number
PCT/JP2003/006664
Other languages
English (en)
Japanese (ja)
Inventor
橋本　岳
Original Assignee
株式会社コガネイ
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 株式会社コガネイ filed Critical 株式会社コガネイ
Publication of WO2003104696A1 publication Critical patent/WO2003104696A1/fr

Links

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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
    • F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves

Definitions

  • the present invention relates to a solenoid valve operated by a solenoid, and is particularly useful when applied to a pilot operated type in which a main valve shaft is operated by a pilot pressure generated by a direct acting solenoid valve.
  • a solenoid valve operated by a solenoid is particularly useful when applied to a pilot operated type in which a main valve shaft is operated by a pilot pressure generated by a direct acting solenoid valve.
  • Directional control valves that control the direction of air flow control the supply and stop of air pressure to the pneumatic circuit, control the supply and discharge of air pressure, and switch the direction of air pressure supply for reciprocating cylinders, etc. It has two or more ports, and there are two-position valves with two valve switching states and three-position valves with three valve switching states.
  • a direct-acting 3-port solenoid valve operated by an electromagnet that is, a movable iron core of a solenoid, that is, a pilot valve, supplies or stops supply of pipe pressure to the main valve shaft.
  • a pilot-operated indirectly operated solenoid valve in which the main valve shaft is switched by this pilot pressure.
  • This indirect-acting solenoid valve has the advantage that the main valve shaft, whose operating force is large, can be switched by the pilot pressure.
  • a single solenoid type solenoid valve which operates the main valve shaft with one electromagnet, and two
  • a double solenoid type that operates the main valve shaft with an electromagnet.
  • the main valve shaft With a single solenoid type two-position valve, the main valve shaft returns to its original position when the electromagnet is de-energized.
  • the double solenoid type two-position valve the main valve shaft maintains the original position if the power is not supplied to one of the magnets and the other is not supplied.
  • the main valve shaft becomes the neutral position, and when one of the electromagnets is energized, the main valve shaft operates similarly to the two-position valve.
  • pilot valve described above is a direct acting 3-port valve, it can be used as a single solenoid valve.
  • solenoid valves Both single solenoid type and double solenoid type are used alone In some cases, a plurality of solenoid valves are assembled and mounted on a bracket or block and used. The assembled type is called a manifold solenoid valve. The solenoid valve will not operate unless the coil of the solenoid is energized, regardless of whether it is used alone or of the manifold type. Does not work.
  • the pilot valve is forcibly activated by energizing the coil, that is, the movable iron core is forcibly operated by a manual button. It works so that it works.
  • a manual button is assembled to the valve casing by protruding outside the valve casing, and when the manual button is pushed in, the movable iron core forcibly drives the pilot valve. If the manual button is pushed by mistake, the solenoid valve will be inadvertently activated.
  • a manual button may be incorporated in the same manner.
  • An object of the present invention is to provide an electromagnetic valve that can prevent a malfunction of a manual button. Disclosure of the invention
  • the present invention provides a valve casing having a receiving hole communicating with an air supply port, an output port, and an exhaust port, the valve casing being provided in the receiving hole so as to be reciprocally movable in an axial direction, and providing the output port with the air supply port.
  • a hand that is reciprocally mounted on the valve casing and that moves the pilot port valve to a position that allows the output passage and the air supply passage to communicate with each other by a pushing operation;
  • a moving button, and a stopper that is mounted on the valve casing so as to be engageable with the manual button, and that controls the pushing movement of the manual button. Is a solenoid valve.
  • the present invention is characterized in that pistons are provided at both ends of the main valve shaft, and two pilot valves respectively operated by the solenoid portions are provided corresponding to two pneumatic chambers accommodating the respective pistons. Solenoid valve. Further, the present invention is the electromagnetic valve, wherein the main valve shaft moves to two or three positions.
  • the pilot valve for driving the main valve shaft is operated to the position where the output flow path and the air supply flow path are communicated by operating the manual button, while the pushing movement of the manual button is regulated by the stopper. As a result, erroneous operation of the manual button is prevented by the stopper.
  • the present invention provides an air supply passage having an open end formed in a first valve seat, and an exhaust passage having an open end formed in a second valve seat which is opposite to the first valve seat.
  • a valve casing formed with a passage and an output passage for guiding air flowing out of the air supply passage to an output portion; and a movable iron core attached to the valve casing and reciprocating in an axial direction by energizing a coil.
  • a solenoid, a switching valve provided on the movable core for opening and closing the first valve seat, and disposed in the valve casing so as to face the closing valve, and driven by the movable core via an interlocking pin.
  • a flapper valve that opens and closes the second valve seat, and is reciprocally mounted on the valve casing, and operates the open / close valve to a position that connects the output passage and the air supply passage by a pushing operation.
  • Manual button And a stopper attached to the knurl casing so as to be freely engageable with the manual button and for restricting the manual button from being pushed.
  • the on-off valve is operated to the position where the output flow path and the air supply flow path are communicated by operating the manual button, while the pushing movement of the manual button is regulated by the stopper. Is prevented from being erroneously operated.
  • FIG. 1 is a perspective view showing a solenoid valve according to an embodiment of the present invention when the present invention is applied to a manifold type
  • FIG. 2 is a cross-sectional view showing an enlarged part of FIG. 1
  • FIG. Fig. 4 (A) is a cross-sectional view showing an enlarged part of Fig. 2.
  • FIG. 4 (B) is a plan view showing the manual button and the stopper rotated after being pushed in
  • FIG. 4 (C) is a view showing the stopper in the engaged position.
  • FIG. 5 is a plan view showing a manual button and a stopper in a folded state
  • FIG. 5 is a cross-sectional view showing a solenoid valve according to another embodiment of the present invention.
  • the manifold type solenoid valve shown in Fig. 1 has four solenoid valves 11 attached to the manifold block 10 facing the width direction, and Fig. 2 attaches to the manifold block 10 One of the four solenoid valves shown is shown.
  • the manifold block 10 is formed with an air supply channel 12 connected to an air pressure source and two exhaust channels 13 and 14 extending in the longitudinal direction, respectively.
  • four solenoid valves 11 are mounted on the manifold block 10 in FIG. 1, any number of solenoid valves 11 can be mounted on the manifold block 10.
  • the solenoid valve 11 has a main valve block 15 having a substantially rectangular parallelepiped shape, and a main valve shaft 17 is formed in an accommodation hole 16 formed in the main valve block 15 in the axial direction. It is housed in a freely reciprocating manner.
  • a cover block 18 is fixed to one end of the main valve block 15, and a pilot block 19 is fixed to the other end. These main valve block 15, cover block 18 and pilot block 19 are fixed.
  • valve casing 20 is formed.
  • An air supply port 21 is formed in the main valve block 15 to communicate the air supply passage 12 with the accommodation hole 16, and the two exhaust passages 13, 14 and the accommodation hole 16 communicate with each other.
  • Two exhaust ports 22 and 23 are formed.
  • an output port 24 is formed at an intermediate position between the air supply port 21 and one exhaust port 22, and the air supply port 21 and the other exhaust port 23 are formed.
  • An output port 25 is formed at an intermediate position between the two.
  • the output ports 24 and 25 are formed in the main valve block 15, a joint that supplies compressed air to pneumatically operated devices such as a pneumatic cylinder is attached to the main valve block 15. Will be.
  • the manifold block 10 When a plurality of solenoid valves 11 are installed, the output ports 24 and 25 are provided in the manifold block 10 so as to correspond to the respective solenoid valves 11 so as to communicate with the receiving holes 16. May be.
  • the main valve shaft 17 is provided with a plurality of valve elements 17a, and when the main valve shaft 1 ⁇ moves to the first position at the negative end, as shown in FIG. And the output port 25 are in communication, and the output port 24 and the exhaust port 22 are in communication. On the other hand, when the main valve shaft 17 moves to the second position at the other end, the port is switched, and the air supply port 21 and the output port 24 are connected. The communication state is established, and the output port 25 and the exhaust port 23 are communicated.
  • a piston 26 is disposed at one end of the main valve shaft 17, and a piston 27 having a larger diameter than the piston 26 is disposed at the other end.
  • a pneumatic chamber 28 is formed by the cover work 18 and the main valve work 15 so as to slidably guide the piston 26 in the axial direction, and the piston work 19 and the main valve work 15 form a piston chamber 2.
  • a pneumatic chamber 29 is formed to guide 7 slidably in the axial direction.
  • the air supply port 2 1 is connected to the pneumatic chamber by the air supply passage 3 1 formed in the main valve block 15.
  • the solenoid block 32 is attached to the pilot block 19, and as shown in FIG. 1, the solenoid section 32 has a bobbin 34 around which a coil 33 is wound.
  • a fixed iron core 35 is mounted in 34, and a plunger, that is, a movable iron core 36 is mounted so as to freely move back and forth in the axial direction.
  • a rubber on-off valve 37 is attached to the tip of the movable iron core 36, and this on-off valve
  • Reference numeral 37 denotes a first valve seat 38 formed on the pilot block 19 so as to come into contact therewith.
  • the valve seat 38 has an opening of an air supply passage 39 formed in the main valve block 15 and the pilot block 19 so as to communicate with the air supply port 21. It is opened and closed by the on-off valve 37.
  • On / off valve 3 7 is provided for movable iron core 3 6
  • a compression coil spring 40 that applies a spring force toward the seat 38 is attached. Accordingly, when the coil 33 is energized, the movable iron core 36 moves in a stake toward the fixed iron core 35 with a spring force, and the opening of the air supply passage 39 is opened. The opening of the air supply passage 39 is closed by the spring force.
  • a second valve seat 41 is formed in a direction opposite to the valve seat 38, and this valve seat 41 communicates with the outside of the pilot block 19.
  • An opening of the exhaust passage 42 is provided.
  • a cylindrical valve holder 43 is attached to the pie port protector 19 so as to cover the valve seat 41, and a flapper valve 44 is incorporated in the valve holder 43 so as to be freely opened and closed.
  • the flapper valve 44 opens and closes the opening of the exhaust passage 42.
  • a plurality of interlocking pins 45 are arranged between the flapper valve 44 and the movable iron core 36, and the flapper valve 44 is opened and closed by the movable iron core 36 via the interlocking pin 45.
  • a through hole 46 is formed in the valve holder 43, and as shown in Fig. 2, when the coil 33 is de-energized, the armature 36 is pressed against the valve seat 38 by spring force. As a result, the on-off valve 37 comes into contact with the valve seat 38, and the flapper valve 44 is separated from the valve seat 41. As a result, the pneumatic chamber 29 is communicated with the outside via the exhaust passage 42, the air in the pneumatic chamber 29 is discharged to the outside, and the main valve shaft 17 is supplied into the air ffi chamber 28. Due to the air pressure present, it will be in the first position as shown in FIG.
  • the on-off valve 37 is separated from the valve seat 38 and the flapper valve 44 is provided with the coil spring 47 incorporated in the valve holder 43 so that the valve seat 4 is closed. Since the spring force toward 1 is applied, the compressed air supplied from the air supply port 21 through the air supply passage 39 flows from the gap between the interlocking pin 45 and the hole through which it passes. The air flows into the pneumatic chamber 29 which is the output section through the output passage. Although the compressed air supplied to both pneumatic chambers 28 and 29 has the same pressure, the pressure receiving area of piston 27 is set to be larger than the pressure receiving area of piston 26, so that frano valve 44 opens.
  • the main valve shaft 17 When the air is supplied into the air pressure chamber 29, the main valve shaft 17 is driven to the left stroke end position in FIG. 1, that is, the second position.
  • the on-off valve 37 and the flapper valve 44 constitute a pilot valve that switches the output passage communicating with the pneumatic chamber 29 to the supply passage 39 and the exhaust passage 42 to communicate with each other.
  • a mounting hole 48 is formed at a predetermined depth from the connection end face with the main valve pro- cess 15 in the pie mouth port work 19, and a fill filter 49 is formed in the mounting hole 48 so as to traverse the exhaust passage 42. It is cut and attached.
  • the filter 49 is made of cloth, porous resin, etc.
  • the pilot block 19 constituting the valve casing 20 is provided with a manual button 51 which can reciprocate in a direction perpendicular to the reciprocating direction of the movable iron core 36.
  • the manual button 51 has a large-diameter proximal end 51 a and a small-diameter distal end 5 lb.
  • the proximal end 51 a protrudes outside the pilot block 19 and has a movable core 3 at the distal end.
  • An inclined surface 52 contacting 6 is formed.
  • An operation lever 53 extending in a direction perpendicular to the base end 51a is provided on the base end 51a. By operating the operation lever 53, the operator can turn the manual button 51. Can be.
  • an engaging groove 55 engaging with the engaging pin 54 fixed to the pilot block 19 is formed on the base of the manual button 51.
  • the end 51a is formed.
  • the engagement groove 55 engages with the engagement pin 54 when the manual button 51 is moved in the axial direction.
  • the engagement groove 54 engages with the engagement bin 54 when the manual button 51 is rotated. 5b.
  • a compression coil spring 56 is installed outside the small-diameter portion of the manual button 51 to apply a spring force in the direction that causes the manual button 51 to protrude outward.
  • the manual button 51 projects outward as shown in FIG.
  • the inclined surface 52 of the manual button 51 is separated from the movable iron core 36, and the on-off valve 37 is separated from the valve seat 38.
  • the inclined surface 52 of the manual button 51 comes into contact with the movable iron core 36 as shown in FIG. It will be piled at a spring force of 0 and will be separated from the valve seat 38.
  • FIG. 4 (A) to 4 (C) are plan views of FIG. 3 respectively, and FIG. 4 (A) shows a state in which the manual button 51 is depressed as shown in FIG. 2 or FIG. It shows a state that it protrudes outward. As shown in Fig. 3, the manual button 51 is also depressed.
  • the operation lever 53 is operated to rotate the manual button 51, the engaging pin 54 engages with the circumferential groove 55b of the engaging groove 55, and the manual Even if a spring force in the protruding direction is applied to the button 51 by the coil spring 56, the manual button 51 remains pressed.
  • FIG. 4B shows a state in which the manual button 51 is turned after being pressed.
  • a pilot 57 is mounted on the pilot block 19 so as to be able to reciprocate in a direction perpendicular to the direction of movement of the manual button 51 in order to restrict the pushing movement of the manual button 51.
  • This stop horn 57 is provided with a stopper surface 59 associated with a step portion 58 provided on the manual button 51, and as shown in FIG. When moved, the stopper surface 59 and the stepped portion 58 face each other, and the movement of the manual button 51 is restricted even if the manual button 51 is pressed. This prevents the manual button 51 from being pushed by an erroneous operation.
  • FIG. 5 is a sectional view showing a solenoid valve according to another embodiment of the present invention, in which the manifold block 10 shown in FIG. 1 is omitted.
  • the solenoid valve 11 shown in FIG. 5 has a pie port block 19 provided with a solenoid section 32 on both sides of a main valve block 15 similar to that shown in FIG. 2 as shown in FIG. Installed. Therefore, this solenoid valve is a double solenoid type two-position valve in which pistons 27 of the same outer diameter are provided at both ends of the main valve shaft 17, and two solenoid valves are provided for one solenoid valve.
  • the solenoid valve 11 shown in Fig. 5 is a two-position valve
  • the main valve shaft 17 is set to the neutral position by spring force, and the main valve shaft 17 is If it is moved to the position at the end of the stroke, a three-position valve can be obtained.
  • the pilot valve formed by the on-off valve 37 and the flapper valve 44 connects the output passage with the supply passage 39 and the exhaust passage 42 by the plunger of the solenoid part 32, that is, the movable iron core 36.
  • This is a direct-acting solenoid valve that switches to and communicates with itself, and can be used as a single unit as a 3-port solenoid valve. In this case, the direct-acting solenoid valve can also be operated manually by attaching the manual button 51.
  • Fig. 1 shows a manifold type solenoid valve in which a plurality of solenoid valves are mounted on the manifold block 10.
  • the solenoid valve 11 shown in Fig. 1 may be used as a single unit. It is possible.
  • the pilot valve can be used regardless of whether the solenoid valve of the indirect operation type having the pilot valve operated by the solenoid is used as a single unit or the manifold valve is mounted on a manifold block. Even when used as a direct acting solenoid valve, the valve can be operated by a manual button, and the manual button can be prevented from being operated due to malfunction by a stopper.
  • An electromagnetic valve having a valve element that is operated by an electromagnet, and is used as a directional control valve for controlling the supply and stop of air pressure to a pneumatically operated device to which air pressure is supplied via a pneumatic circuit.
  • This solenoid valve is used both as a single solenoid valve and as an indirectly actuated solenoid valve for operating the main valve shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

Selon cette invention, une tige de vanne principale (17) pouvant effectuer un mouvement automatique d'aller-retour en direction axiale est située dans un trou de rétention formé dans un boîtier de vanne (20) et un port de sortie est relié à un port d'alimentation en air ou à un port d'évacuation d'air en étant permuté à l'aide de la tige de vanne principale (17). Une partie centrale mobile (36) effectue un mouvement d'aller-retour en direction axiale en fonction de la conductivité d'une bobine d'une section électromagnétique (32), et une vanne pilote en verrouillage réciproque avec la partie centrale mobile (36) relie un passage de sortie en communication avec une chambre pneumatique (29) et un passage d'alimentation en air (39) communiquant avec le port d'alimentation en air ou le passage d'évacuation d'air (39) par permutation. Le boîtier de vanne (20) comporte un bouton manuel (51) pour faire fonctionner la partie centrale mobile (36) manuellement ainsi qu'un dispositif d'arrêt (57) mobile librement entre une position d'engagement et une position de retrait permettant de réguler la poussée sur le bouton manuel (51). Lorsque le dispositif d'arrêt (57) se trouve dans la position d'engagement, l'actionnement du bouton manuel (51) est interdit.
PCT/JP2003/006664 2002-06-06 2003-05-28 Vanne electromagnetique WO2003104696A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-165278 2002-06-06
JP2002165278A JP3853700B2 (ja) 2002-06-06 2002-06-06 電磁弁

Publications (1)

Publication Number Publication Date
WO2003104696A1 true WO2003104696A1 (fr) 2003-12-18

Family

ID=29727589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/006664 WO2003104696A1 (fr) 2002-06-06 2003-05-28 Vanne electromagnetique

Country Status (4)

Country Link
JP (1) JP3853700B2 (fr)
CN (1) CN100363671C (fr)
TW (1) TWI223041B (fr)
WO (1) WO2003104696A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7316244B2 (en) 2004-04-22 2008-01-08 Smc Corporation Solenoid valve with manual buttons
EP2479465A1 (fr) * 2011-01-12 2012-07-25 FESTO AG & Co. KG Dispositif de soupape doté d'un dispositif d'actionnement auxiliaire manuel

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4824706B2 (ja) * 2008-01-24 2011-11-30 シーケーディ株式会社 パイロット形電磁弁
JP4547461B1 (ja) * 2009-09-08 2010-09-22 株式会社コガネイ 電磁弁
JP5533902B2 (ja) * 2012-01-26 2014-06-25 Ｓｍｃ株式会社 安全装置を備えた手動操作子付き電磁弁
KR101761748B1 (ko) * 2016-07-22 2017-08-07 장정우 슬라이드형 수동밸브를 적용한 전자밸브
KR101761750B1 (ko) * 2016-07-22 2017-08-07 장정우 유체의 흐름이 개선된 전자밸브
CN109458373B (zh) * 2018-12-29 2024-04-12 绵阳富临精工机械股份有限公司 一种流体控制电磁阀结构
CN109723893A (zh) * 2019-02-28 2019-05-07 星宇电子(宁波)有限公司 一种电磁阀手动杆自锁装置
KR200495540Y1 (ko) * 2020-12-30 2022-06-22 효신전기주식회사 수동 개폐기구의 잠금장치를 구비한 파이롯 솔레노이드밸브

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JPS6040870U (ja) * 1983-08-30 1985-03-22 甲南電機株式会社 双安定電磁弁
JPH043190Y2 (fr) * 1988-05-13 1992-01-31
JPH0616182Y2 (ja) * 1988-01-16 1994-04-27 黒田精工株式会社 パイロット弁
JPH0724712Y2 (ja) * 1989-05-29 1995-06-05 株式会社コガネイ 手動操作機構付き電磁弁
JPH07198054A (ja) * 1994-01-06 1995-08-01 Koganei Corp 電磁弁
JP2656185B2 (ja) * 1992-02-17 1997-09-24 シーケーディ株式会社 電磁弁
JP2600316Y2 (ja) * 1992-07-17 1999-10-12 株式会社コガネイ 電磁式方向切換弁
JP3244723B2 (ja) * 1991-07-29 2002-01-07 株式会社コガネイ バルブユニット
JP3279993B2 (ja) * 1999-03-12 2002-04-30 エスエムシー株式会社 誤操作防止用カバー付き流体圧機器

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JPS5489686U (fr) * 1977-12-08 1979-06-25
DE3446410A1 (de) * 1984-12-20 1986-06-26 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Betaetigungseinrichtung fuer ventile
CN2048539U (zh) * 1988-07-14 1989-11-29 航天工业部第一研究院第十五研究所 管状活门电磁阀

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040870U (ja) * 1983-08-30 1985-03-22 甲南電機株式会社 双安定電磁弁
JPH0616182Y2 (ja) * 1988-01-16 1994-04-27 黒田精工株式会社 パイロット弁
JPH043190Y2 (fr) * 1988-05-13 1992-01-31
JPH0724712Y2 (ja) * 1989-05-29 1995-06-05 株式会社コガネイ 手動操作機構付き電磁弁
JP3244723B2 (ja) * 1991-07-29 2002-01-07 株式会社コガネイ バルブユニット
JP2656185B2 (ja) * 1992-02-17 1997-09-24 シーケーディ株式会社 電磁弁
JP2600316Y2 (ja) * 1992-07-17 1999-10-12 株式会社コガネイ 電磁式方向切換弁
JPH07198054A (ja) * 1994-01-06 1995-08-01 Koganei Corp 電磁弁
JP3279993B2 (ja) * 1999-03-12 2002-04-30 エスエムシー株式会社 誤操作防止用カバー付き流体圧機器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7316244B2 (en) 2004-04-22 2008-01-08 Smc Corporation Solenoid valve with manual buttons
CN100386545C (zh) * 2004-04-22 2008-05-07 Smc株式会社 带手动按钮的电磁阀
EP2479465A1 (fr) * 2011-01-12 2012-07-25 FESTO AG & Co. KG Dispositif de soupape doté d'un dispositif d'actionnement auxiliaire manuel

Also Published As

Publication number Publication date
TW200404971A (en) 2004-04-01
JP3853700B2 (ja) 2006-12-06
CN100363671C (zh) 2008-01-23
TWI223041B (en) 2004-11-01
CN1659396A (zh) 2005-08-24
JP2004011736A (ja) 2004-01-15

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