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WO2020079912A1 - Dispositif d'entraînement de vanne - Google Patents

Dispositif d'entraînement de vanne Download PDF

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Publication number
WO2020079912A1
WO2020079912A1 PCT/JP2019/029192 JP2019029192W WO2020079912A1 WO 2020079912 A1 WO2020079912 A1 WO 2020079912A1 JP 2019029192 W JP2019029192 W JP 2019029192W WO 2020079912 A1 WO2020079912 A1 WO 2020079912A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
housing member
drive device
valve drive
positioning
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/JP2019/029192
Other languages
English (en)
Japanese (ja)
Inventor
岳彦 矢澤
悟 横江
隆司 原田
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.)
Nidec Instruments Corp
Original Assignee
Nidec Sankyo Corp
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 Nidec Sankyo Corp filed Critical Nidec Sankyo Corp
Priority to CN201980068445.4A priority Critical patent/CN112930455B/zh
Priority to JP2020552534A priority patent/JP7269951B2/ja
Priority to DE112019005142.3T priority patent/DE112019005142T5/de
Publication of WO2020079912A1 publication Critical patent/WO2020079912A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • F16K11/0743—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces with both the supply and the discharge passages being on one side of the closure plates
    • 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
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating 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
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to a valve drive device that drives a valve that adjusts a fluid flow rate.
  • refrigerant valve device that supplies a refrigerant to cool the inside of a refrigerator or the like.
  • Some of the refrigerant valve devices include a valve drive device that drives a valve to adjust the supply amount of the refrigerant to be supplied into the refrigerator (Patent Document 1).
  • the valve body drive device described in Patent Document 1 includes a connector that supplies electric power to a motor that drives the valve.
  • the valve body drive device includes a lower cover member that is attached to an external device, a valve body, and an upper cover member that covers the valve body. By attaching the upper cover member to the lower cover member, the valve body is sandwiched and fixed.
  • the connector is attached to the upper cover member. By mounting the cap member on the upper cover member, the connector is sandwiched between the upper cover member and the cap and fixed to the upper cover member and the cap member.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a valve drive device capable of fixing a connector with a simple configuration and improving workability of assembly work.
  • a valve drive device includes a valve body having a rotor for driving a valve body, a stator for rotationally driving the rotor, a connector for supplying electric power to the stator, and the valve body. And a first housing member in which any one of the stator is arranged, and a second housing member in which the other of the valve body and the stator is arranged, and the second housing member is provided in the first housing member.
  • the rotor is received in the stator to form a motor, and the connector is sandwiched between the first housing member and the second housing member to attach the first housing member and the second housing member. It is fixed to the housing member.
  • the connector fixing work is performed at the same time as the valve body assembling work. It is possible to improve the workability of the assembly work. Furthermore, since the connector can be fixed only by sandwiching it between the first housing member and the second housing member, the fixing structure of the connector can be simplified.
  • the second housing member is formed with a connector positioning portion that defines a position of the connector in a state where the connector is mounted on the second housing member.
  • the second housing member is formed with the connector positioning portion that defines the position of the connector when the connector is attached to the second housing member, the second housing member is formed.
  • the connector is attached to the connector, it is not necessary to adjust the position of the connector, and the workability can be improved.
  • the connector positioning portion defines a first direction positioning portion that defines a position of the connector in a first direction that intersects an axis of the motor, and the connector to the first direction positioning portion. It is preferable to have a pressing portion for pressing.
  • the position of the connector in the first direction is defined by pressing the connector against the first direction positioning part by the pressing part. Therefore, the positioning of the connector can be facilitated.
  • the connector positioning portion has a second direction positioning portion that defines a position of the connector in a second direction intersecting the axis of the motor and the first direction.
  • the connector positioning portion has the second direction positioning portion that defines the position of the connector in the second direction intersecting the axis of the motor and the first direction
  • the second housing member is provided.
  • the connector can be positioned in the second direction only by mounting the connector, which facilitates the positioning of the connector.
  • the first housing member has an axial positioning portion that defines a position of the connector in the axial direction of the motor.
  • the first housing member since the first housing member has the axial positioning portion that defines the position of the connector in the axial direction of the motor, it is only necessary to attach the second housing member to the first housing member. , The positioning of the connector in the axial direction is performed. Therefore, the positioning of the connector can be facilitated, and the workability of assembling the valve drive device can be improved.
  • the connector positioning portion includes a positioning surface that forms a reference position for positioning the connector, and an error absorbing portion that presses the connector against the positioning surface and that can absorb a dimensional error of the connector. , are preferably provided.
  • the connector positioning section includes the positioning surface of the connector and an error absorbing section that presses the connector against the positioning surface and can absorb a dimensional error of the connector.
  • the connector is positioned while being pressed against the positioning surface, so that the positioning accuracy of the connector is stable.
  • the error absorbing section absorbs the dimensional error of the connector, the positioning accuracy is further stabilized.
  • the first direction positioning portion includes a first direction position defining surface serving as the positioning surface and a first direction pressing portion serving as the error absorbing portion.
  • the first direction positioning section includes a first direction position defining surface as the positioning surface and a first direction pressing section as the error absorbing section. This stabilizes the positioning accuracy of the connector in the first direction.
  • the second direction positioning section includes a second direction position defining surface as the positioning surface and a second direction pressing section as the error absorbing section.
  • the second direction positioning section includes a second direction position defining surface as the positioning surface and a second direction pressing section as the error absorbing section. This stabilizes the positioning accuracy of the connector in the second direction.
  • the axial positioning portion includes an axial position defining surface as the positioning surface and an axial pressing portion as the error absorbing portion.
  • the axial positioning portion includes an axial position defining surface as the positioning surface and an axial pressing portion as the error absorbing portion. This stabilizes the positioning accuracy of the connector in the axial direction.
  • the reference position of the connector is in a region in which the pressing directions of the first direction pressing portion, the second direction pressing portion, and the axial direction pressing portion overlap with each other. It is preferable.
  • the reference position of the connector is located in a region where the pressing directions of the first direction pressing portion, the second direction pressing portion, and the axial direction pressing portion overlap. Accordingly, the reference position where the connector is positioned corresponds to the position of one corner of the connector. Therefore, the dimensional error of the connector is unlikely to be affected, and the positioning accuracy of the connector is stabilized.
  • the overlapping region as the reference position is a side where the stator is arranged.
  • the overlapping region as the reference position is the side where the stator is arranged, the positional accuracy of the connector with respect to the stator is stable, and an effect that electrical connection is easily obtained is obtained.
  • the connector positioning portion and the positioning surface are provided on the second housing member.
  • the connector positioning portion and the positioning surface are provided on the second housing member, the connector is fixed by being sandwiched between the first housing member and the second housing member. Assembling work becomes easy.
  • the first housing member is provided with at least one or more protrusions protruding toward the valve body attached to the first housing member in the axial direction of the motor, It is preferable that the protrusion contacts the valve body when the second housing member is attached to the first housing member, and defines the position of the valve body in the axial direction of the motor.
  • the protrusion contacts the valve body when the second housing member is attached to the first housing member, and defines the position of the valve body in the axial direction of the motor. Positioning of the valve body in the axial direction with respect to the first housing member and the second housing member can be facilitated.
  • the second housing member is provided with a stator position defining portion that defines the position of the stator in the axial direction of the motor.
  • the second housing member is provided with the stator position defining portion that defines the position of the stator in the axial direction of the motor, the stator is incorporated in the second housing member in advance, The position of the stator can be defined.
  • the state where the stator is incorporated in the second housing can be made into one unit. Accordingly, when assembling the valve drive device, it is possible to collectively work a plurality of members as one member without handling them, so that the assembly work of the valve drive device can be simplified.
  • one of the first housing member and the second housing member is provided with a hook portion, and the other is hooked to the hook portion. It is preferable that a part is provided.
  • one of the first housing member and the second housing member is provided with a hook portion, and the other is provided with a hooked portion hooked to the hook portion. Therefore, the second housing member can be attached to the first housing member only by hooking the hooked portion on the hooked portion. Therefore, the assembly of the valve drive device can be facilitated.
  • valve body includes a mounting plate, and the valve drive device is attached to an external device via the mounting plate. According to this aspect, it is possible to obtain the same operational effects as the operational effects in the above-described respective aspects.
  • either one of the concave portion and the convex portion is formed in the mounting plate, and the other of the concave portion and the convex portion is formed in the first housing member, and the concave portion and the convex portion are formed. It is preferable that the valve body is positioned with respect to the first housing member by fitting with the convex portion.
  • recessed portion in the present embodiment means that not only the portion formed in a recessed shape but also a shape capable of receiving the protruding portion, for example, a hole is included.
  • one of the concave portion and the convex portion is formed on the mounting plate, and the other of the concave portion and the convex portion is formed on the first housing member, and the concave portion and the convex portion are formed. Since the valve body is positioned with respect to the first housing member by fitting, it is possible to easily position the valve body with respect to the first housing member.
  • the connector is provided with the first housing member and the second housing member. Since it is sandwiched between a housing member and fixed to the first housing member and the second housing member, the connector fixing work is performed at the same time as the valve body assembling work. It is possible to improve the workability of the assembly work. Furthermore, since the connector can be fixed only by sandwiching it between the first housing member and the second housing member, the fixing structure of the connector can be simplified.
  • FIG. 1 is an external perspective view of a valve drive device according to a first embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of the valve drive device according to the first embodiment.
  • FIG. 3 is a side sectional view of the valve drive device according to the first embodiment.
  • FIG. 3 is a perspective view of a valve body drive mechanism in the valve drive device according to the first embodiment.
  • FIG. 3 is a perspective view showing an upper assembly in the valve drive device according to the first embodiment.
  • FIG. 3 is a side sectional view of a positioning portion in the second housing member according to the first embodiment.
  • FIG. 3 is a plan view of the first housing member according to the first embodiment.
  • FIG. 3 is a perspective view showing a lower assembly in the valve drive device according to the first embodiment.
  • FIG. 3 is a perspective view showing a state in which the connector is sandwiched and fixed by a first housing member and a second housing member in the valve drive device according to the first embodiment.
  • the principal part perspective view of the 2nd housing member which concerns on Embodiment 2 of this invention.
  • FIG. 6 is a perspective view showing a state in which a connector is sandwiched between a first housing member and a second housing member and fixed in the valve drive device according to the second embodiment.
  • valve drive device 10 is mounted in a refrigerator as an example, and adjusts the supply amount of the refrigerant (fluid) for cooling the inside of the refrigerator.
  • the valve drive device 10 includes a valve body 12 (FIG. 2), an inflow pipe 14 extending from the valve body 12, a first outflow pipe 16, a second outflow pipe 18, and a third outflow pipe 20 extending in parallel with the inflow pipe 14.
  • the extending direction of the inflow pipe 14, the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20, and the axial direction of the motor 52 described below is the up-down direction (Z-axis direction).
  • the valve body 12 will be described as an upper side (+ Z direction), and the inflow pipe 14, the first outflow pipe 16, and the second outflow pipe 18 will be described as a lower side ( ⁇ Z direction).
  • the Y-axis direction is the first direction and the X-axis direction is the second direction.
  • valve drive device 10 is roughly divided into three units.
  • An inflow pipe 14, a first outflow pipe 16, a second outflow pipe 18, a third outflow pipe 20, and a mounting plate 22 are attached to the valve body 12 to form a valve body unit 32.
  • the valve body unit 32 is attached to the first housing member 24 to form the lower assembly 34.
  • the connector 28 and the stator 30 are assembled to the second housing member 26 to form the upper assembly 36.
  • the valve drive device 10 is configured by attaching an upper assembly 36 to a lower assembly 34.
  • the valve body 12 includes a base 38, a sealing cover 40, a rotor 42, a valve body drive mechanism 44, and a valve body 46.
  • the base 38 has an upper surface 38a.
  • the inflow pipe 14, the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 are attached to the base 38, respectively.
  • a sealing cover 40 is attached to an upper surface 38a of the base 38, and a space surrounded by the base 38 and the sealing cover 40 forms a valve chamber 48.
  • the end portion 14 a of the inflow pipe 14 is attached to the base 38.
  • the end portion 14a of the inflow pipe 14 is configured to communicate with the valve chamber 48.
  • the refrigerant (fluid) is supplied from the inflow pipe 14 into the valve chamber 48.
  • a valve seat forming member 50 (FIGS. 3 and 4) is attached to the base 38.
  • the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 are attached to the valve seat constituting member 50, respectively.
  • the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 attached to the valve seat constituting member 50 are in communication with the valve chamber 48, respectively. Therefore, the refrigerant (fluid) that has flowed into the valve chamber 48 from the inflow pipe 14 flows out from at least one of the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20.
  • the stator 30 and the rotor 42 form a motor 52.
  • the stator 30 is arranged so as to surround the rotor 42 with the hermetic cover 40 sandwiched therebetween.
  • the stator 30 includes a core member 54 as shown in FIG. A winding is wound around the core member 54 of the stator 30 as the drive coil 56.
  • One end of the drive coil 56 (winding) wound around the stator 30 is connected to one end of the motor terminal 52a (FIG. 5).
  • the motor terminal 52a is electrically connected to the flexible printed circuit board (FPC) 58.
  • the connector terminal 60 of the connector 28 is electrically connected to the flexible printed circuit (FPC) 58.
  • a plug of a cable (not shown) can be connected to the connector 28, and electric power is supplied via the cable. As a result, electric power is supplied to the stator 30 via the connector 28, the flexible printed circuit (FPC) 58, and the motor terminal 52a.
  • the rotor 42 includes a drive magnet 62, a drive side gear 64, and a support shaft 66.
  • a drive-side gear 64 and a drive magnet 62 are rotatably attached to the support shaft 66 with respect to the support shaft 66.
  • the drive magnet 62 is attached to the drive-side gear 64.
  • the upper end of the support shaft 66 is supported by a bearing portion 40 a formed on the hermetic cover 40, and the lower end of the support shaft 66 is supported by a bearing portion 38 b formed on the base 38.
  • the stator 30 drive coil 56
  • the rotor 42 when the stator 30 (drive coil 56) is excited, the rotor 42 is configured to rotate within the valve chamber 48 with the drive magnet 62 about the support shaft 66 as a rotation center.
  • the valve body drive mechanism 44 includes a driven gear 68, a valve body 46, and a support shaft 70.
  • a driven gear 68 and a valve element 46 are rotatably attached to the support shaft 70 with respect to the support shaft 70.
  • the valve body 46 is configured to rotate together with the driven gear 68.
  • the driven gear 68 meshes with the drive gear 64. That is, when the rotor 42 is driven to rotate, the driven gear 68 meshing with the drive gear 64 rotates, and the valve body 46 also rotates.
  • the supply amount of the refrigerant (fluid) to the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 can be adjusted. Specifically, when the valve body 46 is located at several positions around the support shaft 70, the refrigerant (fluid) to the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 is corresponding to each position. ) It is configured so that the supply amount changes.
  • the second housing member 26 includes a stator accommodating portion 26a and a connector positioning portion 26b.
  • the stator accommodating portion 26a is formed in a cylindrical shape and is open on the ⁇ Z direction side.
  • a plurality of convex portions 26d protruding toward the ⁇ Z direction side are arranged at appropriate intervals in the circumferential direction on the upper portion 26c of the stator housing portion 26a.
  • a plurality of stator position defining portions 26e are provided at appropriate intervals in the circumferential direction.
  • the stator position defining portion 26e is configured as an inclined surface that projects toward the center in the radial direction and that faces the upper portion 26c on the inner peripheral surface of the stator housing portion 26a. That is, in a state where the stator 30 is attached to the stator housing portion 26a, the stator position defining portion 26e engages with the stator 30 and functions as a fall-off preventing portion that prevents the stator 30 from slipping out of the stator housing portion 26a.
  • the stator 30 When the stator 30 is attached to the stator housing portion 26a, the plurality of convex portions 26d press the upper surface of the stator 30 toward the ⁇ Z direction side. As a result, the stator 30 is pressed against the stator position defining portion 26e, and the position of the motor 52 in the Z-axis direction, which is the axial direction, is defined.
  • the connector positioning portion 26b is configured to project from the cylindrical stator housing portion 26a to the ⁇ Y axis direction side as an example.
  • the connector positioning portion 26b is, for example, formed in a box shape having an opening in the ⁇ Z direction. A part of the connector 28 can be housed in the connector positioning portion 26b.
  • the connector positioning portion 26b includes a first direction positioning portion 26f and a second direction positioning portion 26h.
  • the first direction positioning portion 26f is arranged in the connector positioning portion 26b on the + Y direction side, that is, on the side of the stator housing portion 26a, and is formed at two locations at intervals in the X axis direction.
  • the first direction positioning portion 26f is composed of a pair of a first direction position defining surface 26j and a first direction pressing portion 26g.
  • the first direction pressing portions 26g are provided on the ⁇ Y direction side in the connector positioning portion 26b, and are formed at two locations so as to face the first direction position defining surface 26j at intervals in the X axis direction.
  • a connector support surface 26k formed by a surface along both the first direction (Y direction) and the second direction (X direction) is continuously provided on the first direction position defining surface 26j of the first direction positioning portion 26f. There is.
  • the connector 28 in the present embodiment is formed in a box shape with one opening.
  • the bottom portion of the connector 28 is provided with foot portions 28a at four corners.
  • the upper portion of the connector 28 is opened to form a plug connecting portion 28b.
  • a plurality of connector terminals 60 are arranged in the plug connecting portion 28b.
  • the connector 28 when the connector 28 is attached to the connector positioning portion 26b, two of the four foot portions 28a provided on the bottom of the connector 28 define the first direction position of the first direction positioning portion 26f. It is supported by the surface 26j and also contacts the connector supporting surface 26k.
  • the connector support surface 26k also serves as a component of the axial direction positioning portion 264 described later.
  • the first-direction pressing portion 26g presses the connector 28 toward the + Y direction side, that is, the first-direction position defining surface 26j.
  • a part of the connector 28 specifically, the foot portion 28a and the first direction pressing portion 26g are configured to interfere in the Y-axis direction.
  • a part of the first direction pressing portion 26g elastically deforms in the ⁇ Y axis direction to generate an elastic force, and presses the connector 28 toward the + Y axis direction.
  • the connector 28 is pressed against the first-direction position defining surface 26j, and the position of the connector 28 in the Y-axis direction (first direction) is defined.
  • the second-direction positioning portions 26h are arranged in the connector positioning portion 26b so as to face each other.
  • the pair of second direction positioning portions 26h are formed so as to respectively project in the + X axis direction or the ⁇ X axis direction and narrow the width of the connector positioning portion 26b in the X axis direction.
  • the pair of second direction positioning portions 26h come into contact with both side surfaces of the connector 28 in the X-axis direction.
  • the connector 28 is restricted from being displaced in the X-axis direction by the pair of second-direction positioning portions 26h. Therefore, the pair of second-direction positioning portions 26h define the position of the connector 28 in the X-axis direction (second direction).
  • a plurality of hooked portions 26m are formed on the outer periphery of the second housing member 26 as an example.
  • a pair of hooked portions 26m are provided on the outer peripheral surface of the stator housing portion 26a at positions facing each other, and further three hooked portions 26m are provided so as to surround the connector positioning portion 26b.
  • the hooked portion 26m is formed in a hook shape as an example.
  • the first housing member 24 includes a valve body unit mounting portion 24a and a connector housing portion 24b.
  • the valve body unit mounting portion 24a includes a valve body mounting surface 24c, an inflow pipe guide portion 24d, an outflow pipe guide portion 24e, a plurality of protrusions 24f, a mounting plate mounting surface 24g, a convex portion 24h, and a hooking portion. And a portion 24j.
  • the valve body mounting surface 24c is provided with an inflow pipe guide portion 24d, an outflow pipe guide portion 24e, and a plurality of protruding portions 24f.
  • the inflow pipe guide portion 24d is, as an example, extended from the valve body mounting surface 24c in the ⁇ Z direction and is formed in a funnel shape.
  • the outflow pipe guide portion 24e is, for example, extended from the valve body mounting surface 24c in the ⁇ Z direction and formed in a funnel shape.
  • the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 are inserted into the outflow pipe guide portion 24e, and the first outflow pipe 16,
  • the ⁇ Z axis direction side end portions of the second outflow pipe 18 and the third outflow pipe 20 project from the outflow pipe guide portion 24e (FIGS. 1, 3, and 13).
  • the circles of two-dot chain line with reference numerals 16, 18, and 20 in FIG. 11 indicate the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 arranged in the outflow pipe guide portion 24e.
  • the cross section is shown.
  • position restricting portions 24k (FIG. 11) that protrude toward the radial center at appropriate intervals in the circumferential direction are provided.
  • the position restricting portions 24k are formed at three places, and the position restricting portions 24k are provided between the first outflow pipe 16 and the second outflow pipe 18, between the second outflow pipe 18 and the third outflow pipe 20, It is arranged so as to be located between the first outflow pipe 16 and the third outflow pipe 20.
  • the positions of the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 are regulated by the position restricting portion 24k.
  • the position restricting portion 24k As a result, for example, it is possible to prevent the first outflow pipe 16, the second outflow pipe 18, and the third outflow pipe 20 from twisting in the outflow pipe guide portion 24e in the clockwise direction or the counterclockwise direction in FIG.
  • the plurality of protrusions 24f are provided at appropriate intervals in the circumferential direction on the valve body mounting surface 24c.
  • the protrusion 24f is formed so as to protrude in the + Z direction from the valve body mounting surface 24c.
  • the plurality of protrusions 24f come into contact with the base 38 forming the bottom of the valve body unit 32 to support the valve body unit 32.
  • the plurality of protrusions 24f define the position of the valve body unit 32 in the Z-axis direction.
  • a mounting plate mounting surface 24g is formed around the valve body mounting surface 24c.
  • projections 24h are provided at the end on the + Y axis direction side at intervals in the X axis direction.
  • the convex portion 24h is configured to protrude in the + Z axis direction from the mounting plate mounting surface 24g.
  • the mounting plate 22 is formed by bending a plate material so as to have an L shape when viewed from the side, as an example.
  • the mounting plate 22 includes a valve body mounting portion 22a and an external mounting portion 22b.
  • a positioning hole 22c is formed in the valve body mounting portion 22a as an example of a "recess" so as to correspond to the protrusion 24h of the first housing member 24.
  • the external attachment portion 22b is provided with a plurality of engagement portions 22d, for example.
  • the valve drive device 10 can be attached to an external device (not shown) by attaching a fastening member such as a screw or a bolt (not shown) to the engaging portion 22d.
  • valve body attachment portion 22a of the attachment plate 22 attached to the valve body 12 is attached to the attachment plate attachment surface 24g.
  • the convex portion 24h formed on the mounting plate mounting surface 24g is fitted into the positioning hole 22c formed in the valve body mounting portion 22a, so that the mounting plate 22, and thus the valve body unit 32, is attached to the first housing member 24.
  • the positions in the X-axis direction and the Y-axis direction are defined. Further, by fitting the protrusion 24h into the positioning hole 22c, the rotation of the valve body unit 32 with respect to the first housing member 24 is restricted.
  • the hook portion 24j is configured to be engageable with the hook-shaped hooked portion 26m of the second housing member 26.
  • the hook portions 24j are formed at both ends of the second housing member 26 in the X-axis direction when the valve body unit 32 is attached to the second housing member 26. It is formed at a position opposite to each other.
  • the connector housing portion 24b is provided in the first housing member 24 so as to project from the valve body unit mounting portion 24a in the ⁇ Y axis direction.
  • the connector accommodating portion 24b is formed as a recessed portion that is recessed in the ⁇ Z direction as an example.
  • the connector accommodating portion 24b is configured to accommodate a part of the connector 28.
  • an opening 24m for inserting a cable plug (not shown) into the connector terminal 60 of the connector 28 is formed at the ⁇ Z direction side end of the connector housing portion 24b.
  • the axial-direction pressing portion 24n of the axial-direction positioning portion 264 for the connector 28 is formed on both sides of the opening 24m in the X-axis direction.
  • the axial direction is the Z-axis direction.
  • the plug connection portion 28b of the connector 28 is exposed to the outside of the valve drive device 10 through the opening 24m.
  • a part of the upper portion of the connector 28 comes into contact with the axial pressing portion 24n. Due to the contact of the axial pressing portion 24n, the foot portion 28a of the connector 28 is pressed against the connector supporting surface 26k.
  • the position of the connector 28 in the axial direction (Z-axis direction) of the motor 52 is defined by the axial pressing portion 24n and the connector support surface 26k.
  • the axial positioning portion 264 is composed of the axial pressing portion 24n and the connector support surface 26k.
  • a hooking portion 24j is formed outside the connector housing portion 24b so as to surround the connector housing portion 24b.
  • the hooking portion 24j surrounding the connector housing portion 24b is provided so as to correspond to the hooked portion 26m provided around the connector positioning portion 26b of the second housing member 26, as an example. .
  • the plurality of hook portions 24j surrounding the connector housing portion 24b are the connectors of the second housing member 26.
  • the plurality of hooked portions 26m surrounding the positioning portion 26b are respectively engaged and hooked.
  • the connector 28 is firmly fixed to the valve drive device 10. can do. As a result, even if the plug of the cable (not shown) is repeatedly inserted into and removed from the connector 28, the connector 28 can be prevented from being displaced or dropped from the valve drive device 10.
  • valve body unit 32 is attached to the first housing member 24 to form the lower assembly 34 (FIG. 12). Further, the stator 30 and the connector 28 are attached to the second housing member 26 to form the upper assembly 36 (FIGS. 2 and 5). Thereafter, the upper assembly 36 is attached to the lower assembly 34 to form the valve drive device 10.
  • the rotor 42 of the valve body unit 32 can be received in the stator 30 and the motor 52 can be configured only by attaching the upper assembly 36 to the lower assembly 34.
  • the fixing structure of the connector 28 can be simplified and the work process for fixing the connector 28 can be simplified, resulting in workability. Can be improved.
  • the mounting plate 22 is attached to the valve drive device 10. Since the mounting plate 22 is formed with the external mounting portion 22b, the valve drive device 10 can be easily mounted to an external device by using a fastening member such as a screw.
  • the connector positioning portion 26b includes a positioning surface 26p that serves as a reference position for positioning the connector 28, and an error absorbing portion 26s that presses the connector 28 against the positioning surface 26p and that can absorb a dimensional error of the connector 28. Is equipped with.
  • the connector positioning portion 26b includes three positioning portions, that is, a first direction positioning portion 26f, a second direction positioning portion 26h, and an axial direction positioning portion 264.
  • the first direction positioning portion 26f has an error with the first direction position defining surface 26j as the positioning surface 26p in the first direction (Y direction).
  • the first direction pressing portion 26g as the absorbing portion 26s is provided.
  • the first direction position defining surface 26j is integrally formed with the second housing member 26 made of resin, and a portion of the connector 28 that comes into contact with the foot portion 28a is formed by two flat surfaces.
  • the two first direction pressing portions 26g are integrally formed with the second housing member 26 also made of resin, but the portion in contact with the connector 28 has a rail shape extending in the Z direction and a convex curved surface. Is formed in.
  • the two first direction pressing portions 26g are elastically deformed based on their shapes, and the repulsive force causes the connector 28 to serve as the first positioning surface 26p. It is configured to be pressed against the direction position defining surface 26j. As a result, the connector 28 is positioned in the connector positioning portion 26b with the first direction position defining surface 26j as the reference position.
  • reference numeral 2 is an inclined surface, and the inclined surface 2 is formed at each tip of the first direction pressing portion 26g and is for receiving and guiding the insertion of the connector 28 in the Z direction. .
  • reference numeral 5 is a rotation preventing portion, and the rotation preventing portion 5 is integrally provided on one of the foot portions 28a of the connector 28 so as to further project in the Z direction from the foot portion 28a.
  • the second housing member 26 is provided with the receiving portion 7 at a position corresponding to the rotation preventing portion 5. Since the rotation preventing portion 5 of the connector 28 is supported by the receiving portion 7 of the second housing member 26, the stability of the connector 28 in the attached state can be improved.
  • the second direction positioning portion 26h includes a second direction position defining surface 26r as a positioning surface 26p for the second direction (X direction) and an error absorbing portion 26s.
  • the second direction pressing portion 26q is provided.
  • the second direction position defining surface 26r is integrally formed with the second housing member 26 made of resin, and the portion contacting the side surface of the connector 28 is formed by two flat surfaces.
  • one second direction pressing portion 26q is integrally formed with the second housing member 26 also made of resin, but the portion contacting the connector 28 has a rail shape long in the Z direction (FIG. 15). , And is formed in a convex curved surface.
  • one second direction pressing portion 26q is elastically deformed based on its shape, and the repulsive force causes the connector 28 to serve as two positioning surfaces 26p.
  • the second direction position defining surface 26r is pressed.
  • the connector 28 is positioned with the second direction position defining surface 26r as the reference position.
  • reference numeral 3 is an inclined surface, and the inclined surface 3 is formed at the tip of each of the second direction position defining surface 26r and the second direction pressing portion 26q, and the connector 28 can be inserted in the Z direction. It is for acceptance and guidance.
  • the axial positioning portion 264 includes an axial position defining surface 26k as a positioning surface 26p with respect to the axial direction (Z direction), and an axial pressing portion 24n as an error absorbing portion 26s. Is equipped with.
  • the connector support surface 26k also serves as the axial direction position defining surface 26k, the same reference numeral is used.
  • the axial position defining surface 26k is formed integrally with the second housing member 26 made of resin so as to be connected to the first direction position defining surface 26j, and the portion that comes into contact with the end surface of the foot portion 28a of the connector 28 is It is formed by four planes at four places.
  • four axial direction pressing portions 26n are provided integrally with the first housing member 24 made of resin by molding. As shown in FIGS. 16 and 17, the four axial-direction pressing portions 26n are formed as small protrusions at portions corresponding to the four corners of the end surface of the connector 28 opposite to the foot portion 28a. . In FIG. 17, only one of the four axial pressing portions 26n is visible.
  • the connector 28 When the connector 28 is attached to the connector positioning portion 26b, that is, the connector 28 is sandwiched between the first housing member 24 and the second housing member 26 and fixed to the first housing member 24 and the second housing member 26. Then, the four axial pressing portions 26n elastically deform based on their shapes, and the repulsive force presses the connector 28 against the two axial position defining surfaces 26k as the positioning surfaces 26p. As a result, the connector 28 is positioned with the axial position defining surface 26n as the reference position.
  • the connector positioning portion 26b includes three positioning portions, that is, a first direction positioning portion 26f, a second direction positioning portion 26h, and an axial direction positioning portion 264.
  • the reference position when positioning the connector 28 is an area in which the pressing directions of the first direction pressing portion 26g, the second direction pressing portion 26q, and the axial direction pressing portion 24n overlap the pressing directions of the pressing portions 26g, 26q, and 24n.
  • the reference position where the connector 28 is positioned corresponds to the position of one corner of the connector 28.
  • the overlapping area as the reference position is the side where the stator 30 is arranged.
  • the connector positioning portion 26b and the positioning surface 26p are provided on the second housing member 26.
  • the connector positioning portion 26b includes the positioning surface 26p of the connector 28 and the error absorbing portion 26s capable of pressing the connector 28 against the positioning surface 26p and absorbing the dimensional error of the connector 28.
  • the connector 28 is positioned while being pressed against the positioning surface 26p, so that the positioning accuracy of the connector 28 is stabilized.
  • the error absorbing portion 26s absorbs the dimensional error of the connector 28, the positioning accuracy is further stabilized.
  • the first direction positioning portion 26f includes the first direction position defining surface 26j as the positioning surface 26p and the first direction pressing portion 26g as the error absorbing portion 26s.
  • the second direction positioning portion 26h includes the second direction position defining surface 26r as the positioning surface 26p and the second direction pressing portion 26q as the error absorbing portion 26s. This stabilizes the positioning accuracy of the connector 28 in the second direction.
  • the axial direction positioning portion 264 includes the axial direction position defining surface 26k as the positioning surface 26p and the axial direction pressing portion 24n as the error absorbing portion 26s. This stabilizes the positioning accuracy of the connector 28 in the axial direction.
  • the reference position of the connector 28 exists in a region where the pressing directions of the first direction pressing portion 26g, the second direction pressing portion 26q, and the axial direction pressing portion 24n overlap. .
  • the reference position where the connector 28 is positioned corresponds to the position of one corner of the connector 28. Therefore, the connector 28 is unlikely to be affected by the dimensional error, and the positioning accuracy of the connector 28 is stabilized.
  • the overlapping region as the reference position is the side where the stator 30 is arranged, the positional accuracy of the connector 28 with respect to the stator 30 is stable, and electrical connection is established. The effect of being easy can be obtained.
  • the connector positioning portion 26b and the positioning surface 26p are provided on the second housing member 26, so that the connector 28 is provided between the first housing member 24 and the second housing member 26. The assembly work of being sandwiched and fixed becomes easy.
  • the first housing member 24 is provided with the hooked portion 24j and the second housing member 26 is provided with the hooked portion 26m.
  • the first housing member is provided.
  • the hooked portion may be provided, and the hooked portion may be provided in the second housing portion.
  • the first direction positioning portion 26f is provided on the + Y direction side, that is, the stator housing portion 26a side, and the pressing portion 26g is provided on the ⁇ Y direction side.
  • the pressing portion 26g may be provided on the + Y direction side, that is, on the stator housing portion 26a side, and the first direction positioning portion 26f may be provided on the ⁇ Y direction side.
  • the connector 28 is configured in a rectangular parallelepiped shape as an example, and the plurality of connector terminals 60 are arranged side by side.
  • the shape of the connector 28 the number of the connector terminals 60, the arrangement, etc. It can be changed as appropriate.
  • valve drive device 12 valve body, 14 inflow pipe, 14a end part, 16 first outflow pipe, 18 second outflow pipe, 20 third Outflow pipe, 22 mounting plate, 22a valve body mounting part, 22b external mounting part, 22c positioning hole, 22d engaging part, 24 first housing member, 24a valve body unit mounting part, 24b connector accommodating part, 24c valve body mounting surface , 24d inflow pipe guide part, 24e outflow pipe guide part, 24f protruding part, 24g mounting plate mounting surface, 24h convex part, 24j hooking part, 24k position restricting part, 24m opening part, 24n axial direction pressing part, 26 second part Housing member, 26a stator accommodating portion, 26b connector positioning portion, 26c upper portion, 26d convex , 26e stator position defining part, 26f first direction positioning part, 26g first direction pressing part, 26h second direction positioning part, 26j first direction positioning surface, 26k connector supporting surface (axial direction positioning surface), 26m covered La

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Valve Housings (AREA)

Abstract

L'invention concerne un dispositif d'entraînement de vanne dans lequel un connecteur peut être fixé par une configuration simple et la praticabilité d'un travail d'assemblage est améliorée. Spécifiquement, le dispositif d'entraînement de vanne comporte un corps de vanne doté d'un rotor qui entraîne un élément de vanne, un stator qui entraîne le rotor en rotation, un connecteur qui fournit une puissance électrique au stator, un premier élément de boîtier dans lequel est disposé un composant parmi le corps de vanne ou le stator, et un second élément de boîtier dans lequel est disposé l'autre composant parmi le corps de vanne et le stator. Lorsque le second élément de boîtier est fixé au premier élément de boîtier, le rotor est logé à l'intérieur du stator pour constituer un moteur, et le connecteur est inséré entre le premier élément de boîtier et le second élément de boîtier et fixé au premier élément de boîtier et au second élément de boîtier.
PCT/JP2019/029192 2018-10-15 2019-07-25 Dispositif d'entraînement de vanne Ceased WO2020079912A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201980068445.4A CN112930455B (zh) 2018-10-15 2019-07-25 阀驱动装置
JP2020552534A JP7269951B2 (ja) 2018-10-15 2019-07-25 バルブ駆動装置
DE112019005142.3T DE112019005142T5 (de) 2018-10-15 2019-07-25 Ventilantriebsvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018194442 2018-10-15
JP2018-194442 2018-10-15

Publications (1)

Publication Number Publication Date
WO2020079912A1 true WO2020079912A1 (fr) 2020-04-23

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Application Number Title Priority Date Filing Date
PCT/JP2019/029192 Ceased WO2020079912A1 (fr) 2018-10-15 2019-07-25 Dispositif d'entraînement de vanne

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Country Link
JP (1) JP7269951B2 (fr)
CN (1) CN112930455B (fr)
DE (1) DE112019005142T5 (fr)
WO (1) WO2020079912A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6311041A (ja) * 1986-06-30 1988-01-18 Matsushita Electric Ind Co Ltd 水中電動機
JP2015113965A (ja) * 2013-12-16 2015-06-22 日本電産サンキョー株式会社 弁体駆動装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3564299B2 (ja) * 1998-07-10 2004-09-08 株式会社東芝 アウタロータ形モータのステータ
JP4084939B2 (ja) * 2001-12-14 2008-04-30 株式会社鷺宮製作所 電動弁用ステッピングモータのステータコイル
JP2003185470A (ja) * 2001-12-18 2003-07-03 Hitachi Ltd 回転位置センサ、及びこれを用いた電動式スロットル装置、アクセルポジションセンサ
JP2004023831A (ja) * 2002-06-13 2004-01-22 Sankyo Seiki Mfg Co Ltd モータのステータ構造
JP4681585B2 (ja) * 2007-08-13 2011-05-11 株式会社不二工機 電動流量制御弁
JP4787896B2 (ja) * 2009-08-28 2011-10-05 株式会社不二工機 電動弁
DE102011110379A1 (de) * 2011-08-17 2013-02-21 Johnson Electric Dresden Gmbh Gaszähler mit integriertem Gasabsperrventil
CN102679015A (zh) * 2012-05-25 2012-09-19 何永水 电动阀
JP6021551B2 (ja) * 2012-09-26 2016-11-09 株式会社不二工機 電磁弁
JP6427333B2 (ja) * 2014-04-16 2018-11-21 株式会社不二工機 電磁的駆動コイル装置の成形方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6311041A (ja) * 1986-06-30 1988-01-18 Matsushita Electric Ind Co Ltd 水中電動機
JP2015113965A (ja) * 2013-12-16 2015-06-22 日本電産サンキョー株式会社 弁体駆動装置

Also Published As

Publication number Publication date
DE112019005142T5 (de) 2021-07-01
CN112930455A (zh) 2021-06-08
JPWO2020079912A1 (ja) 2021-09-02
CN112930455B (zh) 2023-04-04
JP7269951B2 (ja) 2023-05-09

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