WO2023195385A1 - 弁および弁の組み立て方法 - Google Patents
弁および弁の組み立て方法 Download PDFInfo
- Publication number
- WO2023195385A1 WO2023195385A1 PCT/JP2023/012492 JP2023012492W WO2023195385A1 WO 2023195385 A1 WO2023195385 A1 WO 2023195385A1 JP 2023012492 W JP2023012492 W JP 2023012492W WO 2023195385 A1 WO2023195385 A1 WO 2023195385A1
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- WO
- WIPO (PCT)
- Prior art keywords
- retainer
- case
- valve
- enlarged diameter
- sleeve
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/048—Electromagnetically actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
- F16K31/0613—Sliding valves with cylindrical slides
Definitions
- the present invention relates to a valve and a method of assembling the valve, such as a valve for controlling a working fluid and a method of assembling the valve.
- Valves used to control working fluid in various industrial fields are equipped with a valve seat and a valve body that can be moved into and out of contact with the valve seat, and the valve opening is adjusted to control the flow of working fluid. Pressure and flow rate can be controlled.
- Such valves include spool valves in which a spool, which is a valve body, moves parallel to an opening, which is a valve seat, butterfly valves, in which the valve body has a rotation axis, and furthermore, there are spool valves in which a spool, which is a valve body, moves parallel to an opening, which is a valve seat.
- a typical valve type is a lift valve that moves orthogonally to the valve.
- spool valves have a high spool responsiveness to driving force because the direction in which the spool moves and the direction in which the working fluid flows intersect, making it difficult for the fluid pressure of the working fluid to act in the direction in which the spool moves. It has become.
- a solenoid valve disclosed in Patent Document 1 is known as a spool valve.
- the solenoid valve of Patent Document 1 includes a cylindrical spool housed in a sleeve, a solenoid portion fixed to one end of the sleeve to drive the spool, a retainer fixed to the other end of the sleeve, and a space between the spool and the retainer. It mainly consists of a biasing means held by a
- the retainer has a cylindrical shape with a bottom that opens toward the sleeve, and a flange extending toward the outer diameter side is formed at the end on the sleeve side. Furthermore, a caulking piece extending from the end surface of the sleeve toward the retainer is formed around the entire circumference at the outer edge of the end of the sleeve on the retainer side.
- the solenoid valve of Patent Document 1 has a structure in which the flange is held in the axial direction by the caulking piece and the end surface of the sleeve with the flange in surface contact with the end surface of the sleeve, so that the retainer and the sleeve can be firmly and easily connected.
- the caulking piece may deform over time, creating a gap between the caulking piece and the flange, and causing damage between the retainer and the sleeve. There was a risk that rattling would occur.
- the present invention has been made with attention to such problems, and an object of the present invention is to provide a valve and a method for assembling the valve that can maintain a stable fixed state between the retainer and the case for a long period of time.
- a caulking device comprising a case, a valve body operable within the case, a biasing means for biasing the valve body, and a retainer for holding the biasing means, and provided at one axial end of the case.
- a space expanding toward an inner diameter side may be formed between the enlarged diameter portion and the case. According to this, an elastic return force can be generated in the retainer by the space with a simple structure.
- a flange portion extending toward an outer diameter side along an end surface of the case may be formed at the case side end of the enlarged diameter portion. According to this, since the flange part makes surface contact with the end face of the case, the retainer can be stably fixed to the case, and elastic return force is maintained at the connection part between the cylindrical part and the enlarged diameter part. easy to be
- a connecting portion between the enlarged diameter portion and the flange portion may be configured to be elastically deformable. According to this, since the connecting part between the enlarged diameter part and the cylindrical part and the joint part between the enlarged diameter part and the flange part are deformable, the relative position between the seat surface of the cylindrical part and the case can be precisely adjusted. It can be adjusted to Further, the contact between the caulked end and the enlarged diameter portion is more easily maintained.
- the outer peripheral surface of the enlarged diameter portion may be a flat truncated conical surface. According to this, a part of the elastic return force of the connecting portion between the cylindrical portion and the enlarged diameter portion acts in the radial direction, so that the inclination of the retainer and the case can be suppressed.
- the retainer may be made of a thin plate. According to this, the retainer can be easily configured.
- a caulking device comprising a case, a valve body operable within the case, a biasing means for biasing the valve body, and a retainer for holding the biasing means, and provided at one axial end of the case.
- the elastic restoring force of the connecting part between the cylindrical part and the enlarged diameter part acts on the crimped end, even if the crimped end deforms over time, the connection between the cylindrical part and the enlarged diameter part remains intact. Due to the elastic return force of the portion, contact between the caulked end and the enlarged diameter portion is maintained, and no wobbling occurs between the case and the retainer. Further, since the seat surface of the cylindrical portion and the case can be positioned at a suitable relative position, the urging force of the urging means can be adjusted with high accuracy.
- FIG. 2 is a side sectional view showing a solenoid valve in an embodiment of the present invention.
- FIG. 2 is an enlarged view of the main part of FIG. 1.
- FIG. (a) is a schematic diagram showing a state in which the retainer is placed at one end of the sleeve
- (b) is a schematic diagram showing a state in which the retainer is temporarily fixed to one end of the sleeve from the state in (a)
- (c) is a schematic diagram showing the state in which the retainer is temporarily fixed to one end of the sleeve.
- FIG. 3 is a schematic diagram showing a state in which the spring and spool are assembled from the state shown in FIG.
- FIG. 3(b) is a schematic diagram showing a state in which the spring is compressed from the state in FIG. 3(c)
- FIG. 3(b) is a schematic diagram showing a state in which the spring is further compressed from the state in FIG. 3(a).
- Embodiments for implementing the valve according to the present invention will be described below based on examples. Although the embodiment will be described using a solenoid valve as an example, it is also applicable to other uses.
- FIGS. 1 to 4 A solenoid valve according to an embodiment will be described with reference to FIGS. 1 to 4.
- the description will be made assuming that the right side of the page in FIG. 1 is one axial end side of the solenoid valve, and the left side of the page in FIG. 1 is the other axial end side of the solenoid valve.
- the solenoid valve 1 of this embodiment is a spool-type solenoid valve, and is used, for example, in a device controlled by hydraulic pressure, such as an automatic transmission of a vehicle.
- the solenoid valve 1 is used by being attached to a mounting hole in a valve housing on the device side.
- the solenoid valve 1 is constructed by integrally attaching a valve part 2 to a solenoid part 3, which adjusts the flow rate of a control fluid such as hydraulic oil. Note that FIG. 1 shows the solenoid valve 1 in an off state in which the coil of the solenoid section 3 is not energized.
- the structure of the solenoid section 3 will be roughly explained.
- a coil, a stator, a yoke, a movable core, etc. are housed in a cylindrical solenoid case 30.
- the solenoid valve 1 When the solenoid valve 1 is in the OFF state, the spool 22 is urged toward the other end in the axial direction by the urging force of the spring 29 (see FIG. 1), and the spool 22 and the rod 5 are accordingly moved toward the other end in the axial direction. ing.
- the valve portion 2 mainly includes a sleeve 21 as a case, a spool 22 as a valve body, a spring 29 as a biasing means, and a retainer 23.
- the sleeve 21 is provided with openings for various ports such as an input port 24, an output port 25, a discharge port 26, a drain port 27, and a feedback port 28, which are connected to the flow path provided in the mounting hole of the valve housing. .
- the spool 22 is fluid-tightly accommodated in a through hole 21a formed in the axial direction on the inner diameter side of the sleeve 21.
- the spool 22 is capable of reciprocating in the axial direction, and by reciprocating the spool 22 in the axial direction, the communication state of various ports is changed and the pressure and flow rate of the hydraulic oil are controlled.
- the sleeve 21 and the spool 22 are made of materials such as aluminum, iron, stainless steel, and resin.
- the spring 29 is a coil spring, and urges the spool 22 toward the other end in the axial direction. Further, one end of the spring 29 in the axial direction is held by the retainer 23.
- the retainer 23 has a cylindrical shape with a bottom.
- the retainer 23 includes a disk-shaped bottom 23a as a seating surface, a cylindrical side wall 23b as a cylindrical portion extending from the outer edge of the bottom 23a toward the other end in the axial direction, and a side wall 23b.
- a tapered part 23c as a diameter expanding part that tapers outward from the other end in the axial direction and in the other axial direction, and an annular flange part 23d extending in the outer diameter direction from the other end in the axial direction of the tapered part 23c. , is equipped with.
- This retainer 23 is formed by pressing a plastically deformable material such as aluminum, iron, or stainless steel, preferably a thin metal plate.
- One through hole 23e is provided at the center of the bottom portion 23a.
- the side wall portion 23b extends from the outer edge of the bottom portion 23a toward the other end in the axial direction while being slightly expanded in diameter.
- the tapered portion 23c is formed by bending the other axial end of the side wall portion 23b as a bent portion P1. That is, the bent portion P1 is a connecting portion between the side wall portion 23b and the tapered portion 23c.
- the outer circumferential surface 23g of the tapered portion 23c is a truncated conical surface (hereinafter simply referred to as a conical surface) that is flat in the circumferential direction, more specifically, a side surface of the truncated cone.
- the flange portion 23d is formed by bending the other axial end of the tapered portion 23c as a bent portion P2, and extends substantially parallel to the bottom portion 23a. That is, the bent portion P2 is a connecting portion between the tapered portion 23c and the flange portion 23d.
- the retainer 23 configured in this manner has a caulked end extending from the outer edge of the end surface 21b toward the one end in the axial direction, with the other end surface 23h of the flange portion 23d in surface contact with the end surface 21b on the one end in the axial direction of the sleeve 21. It is fixed to the sleeve 21 by caulking the caulking piece 21c inward (see FIG. 2).
- FIGS. 3 and 4 a method for assembling the solenoid valve 1 will be explained using FIGS. 3 and 4.
- the other end surface 23h of the flange portion 23d of the retainer 23 is brought into contact with the end surface 21b of the sleeve 21.
- the retainer 23 is bent at two points, the bent portions P1'' and P2'', before being crimped.
- the other end surface 23h of the flange portion 23d and the end surface 21b of the sleeve 21 are annular surfaces extending perpendicularly to the axial direction, the other end surface 23h of the flange portion 23d and the end surface 21b of the sleeve 21 can be brought into surface contact. .
- the caulking piece 21c extending from the outer edge of the end surface 21b of the sleeve 21 toward one end in the axial direction is bent inward to temporarily fix the retainer 23 to the sleeve 21.
- a plurality of caulking pieces 21c are provided in the circumferential direction. Specifically, since the outer edge of the end face 21b is provided in an arc shape except for a part in the circumferential direction, when bending the caulking piece 21c inward, bending stress can be released to the part divided in the circumferential direction. I can do it. Note that the caulking piece 21c may have one annular shape in the circumferential direction, or may have one C-shape in the circumferential direction.
- the caulking piece 21c When the retainer 23 is temporarily fixed to the sleeve 21, the caulking piece 21c only contacts the outer circumferential surface 23g of the tapered portion 23c of the retainer 23, and the caulking piece 21c only contacts the outer circumferential surface 23g of the tapered portion 23c of the retainer 23. Almost no pressing force is applied.
- a space S1'' is formed between the inner circumferential surface 23f of the tapered portion 23c and the end surface 21b of the sleeve 21, which expands toward the inner diameter side.
- the solenoid part 3 is fixed to the other axial end of the sleeve 21 (that is, the state shown in FIG. 3(c) is achieved).
- One axial end of the spring 29 is adapted to abut and be received by the bottom 23a of the retainer 23.
- the axial dimension between the end surface 21b of the sleeve 21 and the other end surface of the bottom portion 23a of the retainer 23 is L1.
- the caulking piece 21c is pressed toward the other end in the axial direction using a jig (not shown) to adjust the biasing force of the spring 29 (see the black arrow).
- the biasing force of the spring 29 is adjusted while monitoring the biasing force of the spring 29 directly or indirectly using a sensor.
- the bent portion P1' is elastically deformed from the state shown in FIG. 3(c) in a direction in which the tapered portion 23c expands in diameter with respect to the side wall portion 23b.
- the bent portion P2' is elastically deformed from the state shown in FIG. 3(c) in a direction in which the tapered portion 23c approaches parallel to the flange portion 23d.
- the bottom portion 23a approaches the end surface 21b of the sleeve 21 in the axial direction.
- the bottom portion 23a can be The sleeve 21 can be brought close to the end surface 21b of the sleeve 21 in the axial direction.
- the axial dimension L2 between the end surface 21b of the sleeve 21 and the other end surface of the bottom 23a of the retainer 23 is shorter than the axial dimension L1 in FIG. 3(c) (L1>L2).
- the tapered portion 23c is inclined in the direction of expanding the diameter with respect to the side wall portion 23b, resulting in a space S1' that is narrower than the space S1'' (S1'' ⁇ S1').
- the axial dimension L3 between the end surface 21b of the sleeve 21 and the other end surface of the bottom 23a of the retainer 23 is shorter than the axial dimension L2 in FIG. 4(a) (L2>L3).
- This axial dimension L3 is a dimension in which the biasing force of the spring 29 is appropriate.
- bent portions P1' and P2' are elastically deformed to become bent portions P1 and P2 (P1', P2' ⁇ P1, P2). Further, the space S1' becomes a space S1 narrower than the space S1' (S1' ⁇ S1).
- the outer circumferential surface 23g of the tapered portion 23c is a flat conical surface, and elastic restoring force acts on the caulking piece 21c almost uniformly in the circumferential direction, so that the relative inclination between the sleeve 21 and the retainer 23 is reduced. regulated.
- a through hole 23e is provided in the bottom portion 23a of the retainer 23, and the through hole 23e can be used as a breathing hole to allow hydraulic oil to flow, allowing the spool 22 to operate smoothly when the solenoid valve 1 is used. It is now possible to do so.
- the outer circumferential surface of the flange portion 23d may be in contact with the inner surface of the caulking piece 21c, or may be separated from it.
- the caulking piece 21c is locked to the outer circumferential surface 23g of the tapered portion 23c while the bent portions P1 and P2 are elastically deformed in the compression direction, the biasing force of the spring 29 can be adjusted with precision. be able to.
- the elastic restoring force of the bent portions P1 and P2 of the retainer 23 acts on the crimping piece 21c, even if the crimping piece 21c deforms, for example, in the opening direction over time, the elastic restoring force of the retainer 23 will cause the crimping piece to 21c and the tapered portion 23c are maintained, and no rattling occurs between the sleeve 21 and the retainer 23.
- a space S1 expanding inwardly is formed between the end surface 21b of the sleeve 21 and the inner circumferential surface 23f of the tapered portion 23c, and this space S1 can be used as an elastic deformation margin for the bent portions P1 and P2.
- the bent portions P1 and P2 can be largely elastically deformed. Therefore, the space S1 allows the retainer 23 to generate an elastic return force with a simple structure.
- a flange portion 23d extending radially outward along the end surface 21b of the sleeve 21 is formed at the other axial end of the tapered portion 23c. According to this, since the flange portion 23d makes surface contact with the end surface 21b of the sleeve 21, the retainer 23 can be stabilized with respect to the sleeve 21, and since the arm length can be ensured long, it is easy to elastically deform the bent portion P1. .
- the retainer 23 is configured such that the bent portion P2 in addition to the bent portion P1 is elastically deformable, the relative position in the axial direction between the bottom portion 23a of the side wall portion 23b and the sleeve 21 can be finely adjusted. Further, the contact between the caulking piece 21c and the tapered portion 23c is more easily maintained.
- the elastic return force of the bent portion P1 acts approximately evenly in the circumferential direction of the caulking piece 21c, so that the retainer 23 and the sleeve 21 Relative tilt can be suppressed.
- the retainer 23 is made of a thin metal plate, the retainer 23 whose bent portions P1 and P2 can be elastically deformed can be easily constructed.
- the space S1 expanding inwardly is formed between the end surface 21b of the sleeve 21 and the inner circumferential surface 23f of the tapered portion 23c, but the present invention is not limited to this, and for example, A space with a constant width may be formed between the end surface of the sleeve and the inner peripheral surface of the tapered portion.
- the retainer 23 has an annular flange portion 23d extending in the outer diameter direction from the other end in the axial direction of the tapered portion 23c. You don't have to.
- the bent portion P2 which is the connecting portion between the flange portion 23d and the tapered portion 23c, is elastically deformed, but the connecting portion between the flange portion and the tapered portion is configured so as not to be elastically deformed. You can leave it there.
- the outer peripheral surface 23g of the tapered portion 23c is a flat conical surface, but the present invention is not limited to this.
- a groove may be formed.
- the tapered portion 23c and the flange portion 23d are formed in an annular shape, but the present invention is not limited to this. Good too.
- the retainer 23 is made of a plastically deformable thin metal plate, but the retainer 23 is not limited to this, and can be freely formed as long as at least the connecting portion between the cylindrical part and the enlarged diameter part is deformable. Can be changed.
- the biasing means is a compression spring, but it may be a tension spring.
- a spool-type valve using a spool as the valve body was described, but the present invention is not limited to this, and a valve using a globe valve, a gate valve, etc. may be used.
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- General Engineering & Computer Science (AREA)
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Abstract
Description
ケースと、前記ケース内で動作可能な弁体と、前記弁体を付勢する付勢手段と、前記付勢手段を保持するリテーナと、を備え、前記ケースの軸方向一端に設けられたかしめ端により前記リテーナが該ケースにかしめ固定された弁であって、
前記リテーナは、前記付勢手段の座面を有する筒状部と、前記筒状部の前記ケース側端から外径側にテーパ状に拡がる拡径部と、を有し、
前記拡径部の外周部に前記かしめ端が前記筒状部と前記拡径部との連結部分が弾性変形した状態で係止されている。
これによれば、かしめ端には筒状部と拡径部との連結部分の弾性復帰力が作用しているので、経年によりかしめ端が変形しても筒状部と拡径部との連結部分の弾性復帰力により、かしめ端と拡径部との当接が維持されケースとリテーナとにがたつきが生じない。
これによれば、空間によってリテーナに弾性復帰力を簡素な構造で生じさせることができる。
これによれば、フランジ部がケースの端面に面当接するので、ケースに対してリテーナを安定して固定することができるとともに、筒状部と拡径部との連結部分に弾性復帰力が維持されやすい。
これによれば、拡径部と筒状部との連結部分と、拡径部とフランジ部との連結部分とが変形可能であるため、筒状部の座面とケースとの相対位置を細やかに調整できる。また、かしめ端と拡径部との当接が一層維持されやすい。
これによれば、筒状部と拡径部との連結部分の弾性復帰力の一部が径方向に作用するため、リテーナとケースとの傾きを抑えることができる。
これによれば、リテーナを簡便に構成することができる。
前記リテーナにおける筒状部と該筒状部の前記ケース側端から外径側にテーパ状に拡がる拡径部との連結部分を弾性変形させた状態で、前記かしめ端を前記拡径部の外周面に係止させる。
これによれば、かしめ端には筒状部と拡径部との連結部分の弾性復帰力が作用しているので、経年によりかしめ端が変形しても筒状部と拡径部との連結部分の弾性復帰力により、かしめ端と拡径部との当接が維持されケースとリテーナとにがたつきが生じない。また、筒状部の座面とケースとを好適な相対位置で位置決めできるため、付勢手段の付勢力を精度よく調整できる。
先ず、図3(a)に示されるように、リテーナ23のフランジ部23dの他端面23hをスリーブ21の端面21bに当接させる。
21 スリーブ(ケース)
21b 端面
21c かしめ片(かしめ端)
22 スプール(弁体)
23 リテーナ
23a 底部(座面)
23b 側壁部(筒状部)
23c テーパ部(拡径部)
23d フランジ部
29 スプリング(付勢手段)
P1,P2 屈曲部
S1 空間
Claims (7)
- ケースと、前記ケース内で動作可能な弁体と、前記弁体を付勢する付勢手段と、前記付勢手段を保持するリテーナと、を備え、前記ケースの軸方向一端に設けられたかしめ端により前記リテーナが該ケースにかしめ固定された弁であって、
前記リテーナは、前記付勢手段の座面を有する筒状部と、前記筒状部の前記ケース側端から外径側にテーパ状に拡がる拡径部と、を有し、
前記拡径部の外周部に前記かしめ端が前記筒状部と前記拡径部との連結部分が弾性変形した状態で係止されている弁。 - 前記拡径部と前記ケースとの間に内径側に拡がる空間が形成されている請求項1に記載の弁。
- 前記拡径部における前記ケース側端には、前記ケースの端面に沿って外径側に延びるフランジ部が形成されている請求項1または2に記載の弁。
- 前記拡径部と前記フランジ部との連結部分が弾性変形可能に構成されている請求項3に記載の弁。
- 前記拡径部の外周面は、平坦な載頭円錐面をなしている請求項1に記載の弁。
- 前記リテーナは、薄板により構成されている請求項1に記載の弁。
- ケースと、前記ケース内で動作可能な弁体と、前記弁体を付勢する付勢手段と、前記付勢手段を保持するリテーナと、を備え、前記ケースの軸方向一端に設けられたかしめ端により前記リテーナが該ケースにかしめ固定された弁の組み立て方法であって、
前記リテーナにおける筒状部と該筒状部の前記ケース側端から外径側にテーパ状に拡がる拡径部との連結部分を弾性変形させた状態で、前記かしめ端を前記拡径部の外周面に係止させる弁の組み立て方法。
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CN202380031717.XA CN118974456A (zh) | 2022-04-04 | 2023-03-28 | 阀门以及阀门的组装方法 |
JP2024514236A JPWO2023195385A1 (ja) | 2022-04-04 | 2023-03-28 | |
EP23784675.3A EP4506598A1 (en) | 2022-04-04 | 2023-03-28 | Valve and valve assembly method |
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Citations (5)
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JP2002327856A (ja) * | 2001-04-27 | 2002-11-15 | Toyoda Mach Works Ltd | 電磁弁 |
JP2010003447A (ja) * | 2008-06-18 | 2010-01-07 | Dx Antenna Co Ltd | 接栓の固定構造 |
WO2010024282A1 (ja) | 2008-08-29 | 2010-03-04 | イーグル工業株式会社 | ソレノイドバルブ |
JP2019044843A (ja) * | 2017-08-31 | 2019-03-22 | イーグル工業株式会社 | スプールバルブ |
JP2020193637A (ja) * | 2019-05-24 | 2020-12-03 | イーグル工業株式会社 | ソレノイドバルブ |
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2023
- 2023-03-28 EP EP23784675.3A patent/EP4506598A1/en active Pending
- 2023-03-28 WO PCT/JP2023/012492 patent/WO2023195385A1/ja active Application Filing
- 2023-03-28 JP JP2024514236A patent/JPWO2023195385A1/ja active Pending
- 2023-03-28 CN CN202380031717.XA patent/CN118974456A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002327856A (ja) * | 2001-04-27 | 2002-11-15 | Toyoda Mach Works Ltd | 電磁弁 |
JP2010003447A (ja) * | 2008-06-18 | 2010-01-07 | Dx Antenna Co Ltd | 接栓の固定構造 |
WO2010024282A1 (ja) | 2008-08-29 | 2010-03-04 | イーグル工業株式会社 | ソレノイドバルブ |
JP2019044843A (ja) * | 2017-08-31 | 2019-03-22 | イーグル工業株式会社 | スプールバルブ |
JP2020193637A (ja) * | 2019-05-24 | 2020-12-03 | イーグル工業株式会社 | ソレノイドバルブ |
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JPWO2023195385A1 (ja) | 2023-10-12 |
CN118974456A (zh) | 2024-11-15 |
EP4506598A1 (en) | 2025-02-12 |
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