WO2017104385A1 - Unité d'embrayage pour véhicules - Google Patents

Unité d'embrayage pour véhicules Download PDF

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Publication number
WO2017104385A1
WO2017104385A1 PCT/JP2016/085066 JP2016085066W WO2017104385A1 WO 2017104385 A1 WO2017104385 A1 WO 2017104385A1 JP 2016085066 W JP2016085066 W JP 2016085066W WO 2017104385 A1 WO2017104385 A1 WO 2017104385A1
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WO
WIPO (PCT)
Prior art keywords
rotation
ring member
output
clutch
input side
Prior art date
Application number
PCT/JP2016/085066
Other languages
English (en)
Japanese (ja)
Inventor
訓寛 三笠
Original Assignee
シロキ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016148811A external-priority patent/JP6754634B2/ja
Application filed by シロキ工業株式会社 filed Critical シロキ工業株式会社
Priority to CN201680074332.1A priority Critical patent/CN108430826B/zh
Priority to US15/781,452 priority patent/US10737590B2/en
Publication of WO2017104385A1 publication Critical patent/WO2017104385A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D15/00—Clutches with wedging balls or rollers or with other wedgeable separate clutching members
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
    • F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
    • F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/08—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action

Definitions

  • the present invention relates to a vehicle clutch unit.
  • Japanese Patent Application Laid-Open No. H10-260260 and the like disclose a vehicle seat lifter that raises and lowers a vehicle seat such as an automobile by operating an operation lever.
  • the vehicle seat lifter includes a clutch unit that transmits rotational torque input from an operation lever to an output side that is a seat side.
  • the present invention provides a vehicle clutch unit in which the response of the displacement of the vehicle seat to the operation of the operation lever is further enhanced.
  • a vehicle clutch unit includes: A clutch unit used for a vehicle seat, An operation lever that can rotate around the rotation axis and return to the neutral position; An output shaft member that is rotatable about the rotation shaft and outputs an operation force input to the operation lever to a vehicle seat; An inner ring member and an outer ring member that are provided coaxially with the rotation shaft and into which the output shaft member is inserted, an input-side transmission member that is disposed between an outer peripheral surface of the inner ring member and an inner peripheral surface of the outer ring member; An input side clutch having An output side clutch, The input side clutch is One member of the inner ring member and the outer ring member rotates with the rotation of the operation lever, and the other member of the inner ring member and the outer ring member is rotated via the input side transmission member.
  • the rotation of the lever is transmitted to the output clutch
  • the rotation of the operation lever is input to the output clutch
  • the operation lever is configured to return to the neutral position while maintaining the rotation position of the output shaft member
  • the output side clutch is When the rotation of the operation lever is transmitted by the other member of the input side clutch while restricting the rotation of the output shaft member by the force input to the output shaft member from the vehicle seat side, the output shaft Configured to allow rotation of the member, Between the other member and a member that does not rotate during the return operation of the operation lever so as to suppress the joint rotation of the other member by the one member during the return operation of the operation lever to the neutral position.
  • a rotation suppressing member that provides a rotational resistance greater than the co-rotating force is provided.
  • the rotation of the other member is restricted during the return operation to the neutral position of the operation lever, so that the other member transmits the rotation of the operation lever to the output side clutch. After the rotation in the transmission direction, the other member is prevented from rotating in the non-transmission direction by the return operation of the operation lever. Thereby, the operativity by continuous operation of an operation lever improves.
  • the rotation suppressing member may press the other member toward the bottom surface of the housing.
  • the rotation suppressing member also functions as a pressing member such as a spring for eliminating rattling, and the number of parts can be reduced as compared with the case where a separate pressing member is provided.
  • the other member is A rotation transmitting portion that rotates with the other member and transmits rotation to the output side clutch;
  • the rotation suppressing member may push the rotation transmitting portion toward the output side in the rotation axis direction.
  • the engagement of the rotation transmission unit and the output side clutch can be increased by the rotation suppressing member urging the rotation transmission unit in the direction of the rotation axis.
  • the clutch can be unlocked.
  • a bottomed cylindrical housing that houses the input side clutch;
  • the rotation suppressing member presses the other member toward the bottom surface of the housing,
  • the rotation suppression member may be located between the other member and the rotation transmission unit.
  • the rotation suppressing member is located between the other member and the rotation transmitting portion. For this reason, it is easy to constitute a structure in which the rotation suppressing member presses the input-side clutch toward the bottom surface of the housing and pushes the rotation transmitting portion to the output side in the rotation axis direction.
  • the output side clutch is An output-side inner ring member and an output-side outer ring member provided coaxially with the rotating shaft; An output-side transmission member disposed between an outer peripheral surface of the output-side inner ring member and an inner peripheral surface of the output-side outer ring member; Arranged between the outer peripheral surface of the output-side inner ring member and the inner peripheral surface of the output-side outer ring member, the output-side transmission member moves together with the rotation transmission unit when the operation lever returns to the neutral position. And an elastic member generating an elastic force that presses the output-side transmission member.
  • the output-side transmission member can be pressed against the rotation transmission portion by the elastic member without any clearance. Thereby, the responsiveness of the displacement of the vehicle seat with respect to the operation of the operation lever can be further enhanced.
  • a bottomed cylindrical housing that houses the input side clutch;
  • the other member of the inner ring member and the outer ring member has a rotation transmitting portion that is provided integrally or separately and rotates with the other member to transmit the rotation of the other member to the output side clutch,
  • the rotation suppressing member may be disposed between the other member and the bottom surface of the housing, and may be configured to press the other member toward the output-side clutch.
  • the rotation transmission portion can be pressed toward the output side clutch. For this reason, the engagement margin between the output side clutch and the rotation transmission portion can be sufficiently secured.
  • the rotation suppressing member may have a suppressing portion that can contact an outer peripheral surface of the other member and suppress a relative movement in the radial direction between the rotation suppressing member and the other member.
  • the rotation suppressing member can be positioned in the radial direction with respect to the other member.
  • the rotation suppression member is a wave washer having a crest and a trough along the circumferential direction
  • the input side clutch is provided between the inner ring member and the outer ring member, and has a roller that transmits the mutual rotational motion,
  • the roller may be disposed at a position overlapping the crest portion of the rotation suppressing member in the axial direction.
  • the rotation suppression member also functions as a member for positioning the roller in the circumferential direction. Therefore, the number of parts can be reduced compared to the case where a member for positioning the roller in the circumferential direction is separately prepared. Can be reduced.
  • the rotation suppression member and the housing may be provided with an engagement structure that engages with each other and restricts relative displacement in the circumferential direction.
  • the rotation suppressing member can be prevented from rotating relative to the housing. For this reason, the rotation of the rotation suppressing member itself is restricted, and the responsiveness of the displacement of the vehicle seat with respect to the operation of the operation lever is easily improved.
  • FIG. 3A is a cross-sectional view taken along line BB in FIG. 3
  • FIG. 4B is a cross-sectional view taken along line CC in FIG.
  • FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit, in which FIG. 3A is a cross-sectional view taken along line BB in FIG. 3, and FIG. 4B is a cross-sectional view taken along line CC in FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit, in which FIG. 3A is a cross-sectional view taken along line BB in FIG. 3, and FIG. 4B is a cross-sectional view taken along line CC in FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit, in which FIG. 3A is a cross-sectional view taken along line BB in FIG. 3, and FIG. 4B is a cross-sectional view taken along line CC in FIG.
  • FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit, in which FIG. 3A is a cross-sectional view taken along line BB in FIG. 3, and FIG. 4B is a cross-sectional view taken along line CC in FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit according to the reference example, in which FIG. 3A is a cross-sectional view taken along the line BB in FIG. 3, and FIG. 4A and 4B are diagrams for explaining the internal operation of the vehicle clutch unit according to the reference example, in which FIG. 3A is a cross-sectional view taken along the line BB in FIG. 3, and FIG. It is a disassembled perspective view of the clutch unit for vehicles which concerns on the modification of this invention. It is sectional drawing which follows the axial direction of the clutch unit for vehicles shown in FIG.
  • FIG. 1 is a side view showing a state in which the vehicle clutch unit according to this embodiment is applied to a vehicle seat lifter.
  • the vehicle clutch unit 100 according to the present embodiment is used for a vehicle seat 40.
  • the vehicle seat 40 includes a seating seat 40a, a backrest 40b, and a seat frame 40c.
  • the vehicle clutch unit 100 is fixed to the seat frame 40c of the seating seat 40a.
  • a vehicle seat lifter 41 is mounted on the vehicle seat 40.
  • the vehicle seat lifter 41 includes a vehicle clutch unit 100.
  • the vehicle seat lifter 41 includes a sector gear 41f and a link mechanism.
  • the vehicle clutch unit 100 includes an operation lever 21 that is rotated forward and backward.
  • a pinion gear 31 that is integral with the output shaft member 30 that is rotated forward and backward by the operation lever 21 meshes with the sector gear 41 f of the vehicle seat lifter 41.
  • the link mechanism includes a first link member 41c extending in a substantially vertical direction, a second link member 41d extending in a substantially vertical direction, and a third link member 41e extending in a substantially horizontal direction.
  • the upper part of the first link member 41c and the upper part of the second link member 41d are rotatably connected to the seat frame 40c by shaft members 41c1 and 41d1, respectively.
  • the lower part of the first link member 41c and the lower part of the second link member 41d are rotatably connected to the slide movable member 41b1 of the seat slide adjuster 41b by shaft members 41c2 and 41d2, respectively.
  • One end of the third link member 41e is connected to the first link member 41c and the shaft member 41e1 above the shaft member 41c1.
  • the other end of the third link member 41e is rotatably connected by a sector gear 41f and a shaft member 41e2.
  • the operation lever 21 rotates clockwise to return to the original position (hereinafter referred to as the subsequent position). In the description, it returns to the neutral position or neutral state). Further, when the operation lever 21 is rotated clockwise (downward), the seating surface of the seating seat 40a is lowered by an operation reverse to the above. When the operation lever 21 is released after the height adjustment, the operation lever 21 rotates counterclockwise and returns to the original position (neutral position, neutral state). In the state where the operation lever 21 is opened, the vehicle clutch unit 100 brakes the rotation of the output shaft member 30 (pinion gear 31) and prevents the movement even when vertical force is applied to the seating seat 40a. Yes.
  • FIG. 2 is an exploded perspective view of the vehicle clutch unit 100.
  • FIG. 3 is a cross-sectional view of the vehicle clutch unit 100 along the axial direction. As shown in FIGS. 2 and 3, the vehicle clutch unit 100 includes an operation lever 21, an output shaft member 30, an input side clutch 50, an output side clutch 60, and a housing 11.
  • the input clutch 50 is driven (actuated) by the operation lever 21 to transmit the rotation of the operation lever 21 to the output shaft member 30.
  • the output-side clutch 60 prevents the output shaft member 30 from rotating even when a vertical force is applied to the seating seat 40a.
  • the input side clutch 50 and the output side clutch 60 are accommodated in the housing 11.
  • the output shaft member 30 is a shaft member extending in the left-right direction in FIG.
  • the “axial direction” means the direction in which the output shaft member 30 extends.
  • the output shaft member 30 passes through the output side clutch 60 and the input side clutch 50 in this order from left to right in FIG. 3.
  • the left side in FIG. 3 may be referred to as an axial output side
  • the right side in FIG. 3 may be referred to as an axial input side.
  • a pinion gear 31 is provided at the output side end of the output shaft member 30 in the axial direction.
  • the output shaft member 30 is provided with a pinion gear 31, a large diameter cylindrical portion 32, a spline portion 33, and a small diameter cylindrical portion 34 in this order from the output side in the axial direction toward the input side.
  • the large-diameter cylindrical portion 32 is rotatably supported by a metal bush 13 fixed to an output-side outer ring member 62 of an output-side clutch 60 described later.
  • the small-diameter cylindrical portion 34 is rotatably supported by an input-side inner ring member 51, an input-side outer ring member 52, and the housing 11 of an input-side clutch 50 described later.
  • a plurality of groove portions are formed on the outer peripheral surface of the spline portion 33.
  • the spline portion 33 is spline-coupled to an output side inner ring member 61 of an output side clutch 60 described later.
  • a stopper ring 36 is attached to the small diameter cylindrical portion 34 of the output shaft member 30.
  • the stopper ring 36 has a cylindrical fitting portion 36a and a disk-like flange portion 36b located on the output side in the axial direction from the fitting portion 36a.
  • the small diameter cylindrical portion 34 of the output shaft member 30 is fitted into the fitting portion 36a.
  • the flange portion 36 b abuts on an operation plate 22 described later, and prevents the operation plate 22, the housing 11, the input side clutch 50, and the output side clutch 60 from coming out of the output shaft member 30.
  • the housing 11 is a cup-shaped member, and has a bottom surface 11a and a cylindrical portion 11b. Two fixing flanges 11c projecting in the radial direction are formed at the end on the output side in the axial direction from the bottom surface 11a of the cylindrical portion 11b.
  • the fixing flange 11c is provided with a fixing bolt insertion hole 11d.
  • the housing 11 is fixed to the seat frame 40c by screwing a bolt (not shown) inserted into the fixing bolt insertion hole 11d into the screw hole of the seat frame 40c.
  • the housing 11 may be fixed to the seat frame 40c by providing a caulking portion on the housing 11 and caulking the caulking portion to the seat frame 40c.
  • a spring locking portion 24 having a spring locking piece 24a is fixed to one fixing flange 11c.
  • the spring locking portion 24 is fixed to the fixing flange 11 c of the housing 11.
  • the spring locking piece 24a extends in the axial direction along the cylindrical portion 11b.
  • a cylindrical bearing 11g is formed at the center of the bottom surface 11a in the radial direction by burring.
  • the bearing 11g extends from the bottom surface 11a toward the input side in the axial direction.
  • the bottom surface 11a is formed with three window portions 11h made of arc-shaped long holes and three projecting pieces 11i extending from the edge of the window portion 11h toward the output side in the axial direction.
  • the operation lever 21 is formed of, for example, a synthetic resin, and includes a fixing portion 21a to which the operation plate 22 is fixed, and a rod-shaped gripping portion 21b that extends radially outward from the fixing portion 21a. .
  • the operation lever 21 is fixed to the operation plate 22.
  • the operation plate 22 rotates integrally with the operation lever 21 forward and backward.
  • the operation plate 22 is provided between the housing 11 and the operation lever 21 in the axial direction.
  • the operation plate 22 is fixed to the operation lever 21.
  • the operation plate 22 is rotatably supported by the housing 11.
  • the operation plate 22 has an insertion hole 22a in the center in the radial direction.
  • the small diameter cylindrical portion 34 of the output shaft member 30 is inserted through the insertion hole 22a.
  • the operation plate 22 has three rectangular engagement holes 22b and a circular fixing hole 22c around the insertion hole 22a.
  • the operation plate 22 is fixed to the operation lever 21 by screwing a screw (not shown) inserted through the fixing hole 22 c into the operation lever 21.
  • a pair of regulating piece portions 22e and an operation piece portion 22d are provided on the outer peripheral edge of the operation plate 22.
  • the operation piece portion 22d is provided between the pair of restriction piece portions 22e.
  • the pair of restriction piece portions 22e and the operation piece portion 22d extend toward the output side in the axial direction.
  • a return spring 23 is provided on the outer periphery of the housing 11.
  • the return spring 23 is a spring that returns the operation lever 21 (and the operation plate 22) to the neutral position when no operation force is applied to the operation lever 21 (when the operation force is released).
  • the return spring 23 is a leaf spring having an arc shape in which both free end portions 23a are close to each other. Between the free end portions 23 a of the return spring 23, a spring locking piece 24 a of the spring locking portion 24 fixed to the housing 11 and an operation piece portion 22 d of the operation plate 22 are disposed.
  • FIG. 4 is a diagram for explaining the movement of the operation plate 22.
  • 4 is a view taken in the direction of arrow A in FIG. 4A shows a neutral state
  • FIG. 4B shows a driving state.
  • the operating lever 21 in a state where the operator does not apply operating force to the operating lever 21 (neutral state), the operating lever 21 has both the pair of free ends 23a of the return spring 23 spring-engaged. It is supported at a neutral position where it abuts against the piece 24a and the operation piece 22d.
  • the operation plate 22 rotates with respect to the housing 11 together with the operation lever 21. Then, one free end portion 23a of the pair of free end portions 23a maintains the engaged state with the spring locking piece 24a fixed to the housing 11, while the other free end portion 23a of the operation plate 22 is maintained. It engages with the operation piece 22d and moves in a direction away from the one free end 23a. Accordingly, the return spring 23 is bent and a return force to the neutral position is applied.
  • the input side clutch 50 includes an input side inner ring member 51, an input side outer ring member 52, an operation bracket 54, an input side clutch roller (input side transmission member) 55, and an input side roller.
  • a force spring 56 is provided.
  • the input side inner ring member 51 is a columnar member extending in the axial direction.
  • the input side inner ring member 51 has an insertion hole 51a through which the small diameter cylindrical portion 34 of the output shaft member 30 is inserted.
  • Three projections 51b are formed on the input side surface in the axial direction of the input side inner ring member 51 (see FIG. 2).
  • Wedge cam portions 51c bulging outward are provided at equal intervals at three locations on the outer peripheral edge of the input side inner ring member 51.
  • An operation bracket 54 is fixed to the input side surface of the input side inner ring member 51 in the axial direction.
  • the operation bracket 54 is a plate-like member.
  • the operation bracket 54 has an insertion hole 54a through which the small diameter cylindrical portion 34 of the output shaft member 30 is inserted at the center in the radial direction.
  • the operation bracket 54 has three fitting holes 54b into which the protrusions 51b of the input side inner ring member 51 are fitted.
  • Three claw portions 54c are provided on the outer peripheral edge of the operation bracket 54. These claw portions 54 c pass through the window portion 11 h formed on the bottom surface 11 a of the housing 11 and are fitted in the engagement holes 22 b of the operation plate 22. Thereby, the input side inner ring member 51 is fixed to the operation plate 22 via the operation bracket 54.
  • the input side outer ring member 52 has a bottom part 52b, an outer ring part 52c, and a fixing part 52d.
  • the bottom 52b is a disk-shaped part.
  • An insertion hole 52a through which the small diameter cylindrical portion 34 of the output shaft member 30 is inserted is provided at the center of the bottom portion 52b in the radial direction.
  • the outer ring portion 52c is a cylindrical portion formed on the outer edge portion of the bottom portion 52b.
  • a bottom 52b is provided at the end of the outer ring portion 52c on the output side in the axial direction.
  • the fixed part 52d protrudes from the outer edge of the insertion hole 52a to the output side in the axial direction. Spline grooves are formed on the outer peripheral surface of the fixed portion 52d.
  • the fixing portion 52d is spline-coupled with a release bracket 64 of the output side clutch 60 described later.
  • FIG. 5 is a view showing the vehicle clutch unit 100 in the neutral state shown in FIG.
  • FIG. 5A is a cross-sectional view taken along the line BB in FIG. 3, and shows the output side clutch 60 in a neutral state.
  • FIG. 5B is a sectional view taken along the line CC in FIG. 3, and shows the input side clutch 50 in a neutral state.
  • a gap is provided between the inner peripheral surface of the input side outer ring member 52 and the outer peripheral surface of the input side inner ring member 51. While the inner peripheral surface of the input side outer ring member 52 is a circumferential surface, the outer peripheral surface of the input side inner ring member 51 is provided with three wedge cam portions 51c that bulge outward. For this reason, in the gap between the inner peripheral surface of the input-side outer ring member 52 and the outer peripheral surface of the input-side inner ring member 51, three portions whose both ends in the radial direction are tapered in a wedge shape are formed. In this gap, three protruding pieces 11i of the housing protrude. When the input side inner ring member 51 is rotated by the operation lever 21, the protruding piece 11 i restricts the movement of the input side clutch roller 55.
  • the input side clutch 50 has six input side clutch rollers 55 and three input side roller urging springs 56.
  • the input side clutch roller 55 and the input side roller biasing spring 56 are disposed between the outer peripheral surface of the input side inner ring member 51 and the inner peripheral surface of the outer ring portion 52 c of the input side outer ring member 52.
  • the input side roller biasing spring 56 is disposed between the wedge cam portions 51c of the input side inner ring member 51 in the radial direction. Further, a pair of input side clutch rollers 55 are arranged on both sides of the wedge cam portion 51 c of the input side inner ring member 51. A protruding piece 11 i of the housing 11 is disposed between the pair of input side clutch rollers 55.
  • the output side clutch 60 includes an output side inner ring member 61, an output side outer ring member 62, a release bracket (rotation transmission unit) 64, an output side clutch roller (output side transmission member) 65, and And an output side roller urging spring (elastic member) 66.
  • the output side outer ring member 62 is a substantially cylindrical member.
  • the inner peripheral surface of the inner hole of the output-side outer ring member 62 supports the large-diameter columnar portion 32 of the output shaft member 30 via the cylindrical portion 13b of the metal bush 13 so as to be rotatable.
  • the flange portion 13 a of the metal bush 13 is in sliding contact with the output side inner ring member 61 to prevent the output side inner ring member 61 from coming out of the output shaft member 30.
  • the cylindrical portion 13b of the metal bush 13 is made of resin. The metal bush 13 applies a frictional force to the output shaft member 30 to suppress the rotation speed of the output shaft member 30 when the vehicle seat 40 is lowered.
  • the output-side outer ring member 62 includes a disk-shaped bottom portion 62a, a cylindrical first cylindrical portion 62b extending from the bottom portion 62a to the axial input side, and a second cylindrical portion 62c extending from the bottom portion 62a to the axial output side. And.
  • the second cylindrical portion 62c has a smaller diameter than the first cylindrical portion 62b.
  • On the outer peripheral edge of the output side outer ring member 62 two tapered portions 62d are provided.
  • the output side outer ring member 62 is fixed to the housing 11 in a non-rotatable manner by bending a caulking portion 11 f provided in the housing 11 inward in the radial direction and caulking the outer peripheral edge of the output side outer ring member 62.
  • the output side inner ring member 61 is a substantially cylindrical member.
  • the output side inner ring member 61 is a member having a smaller diameter than the first cylindrical portion 62 b of the output side outer ring member 62.
  • a plurality of grooves are provided on the inner peripheral surface of the inner hole of the output side inner ring member 61, and a spline portion 61 a to which the spline portion 33 of the output shaft member 30 is coupled.
  • six protrusions 61b are formed (see FIG. 3).
  • six wedge cam portions 61c bulging outward are formed at equal intervals.
  • the release bracket 64 is a plate-like member.
  • a first engagement hole 64 a having a plurality of grooves is formed on the inner peripheral surface of the release bracket 64.
  • the first engagement hole 64a is spline-coupled with the fixed portion 52d of the input side outer ring member 52. Thereby, the release bracket 64 can be rotated together with the input-side outer ring member 52.
  • the release bracket 64 has a plurality of second engagement holes 64b into which the protrusions 61b of the output side inner ring member 61 are inserted. These second engagement holes 64b are long holes extending in the circumferential direction.
  • the protrusion 61b can be slightly displaced in the circumferential direction within the second engagement hole 64b. That is, the release bracket 64 and the output-side inner ring member 61 are relatively rotatable within a range in which the protrusion 61b is displaced in the second engagement hole 64b.
  • Six protruding pieces 64 c are provided on the outer peripheral edge of the release bracket 64.
  • a gap is provided between the inner peripheral surface of the output side outer ring member 62 and the outer peripheral surface of the output side inner ring member 61. While the inner peripheral surface of the output side outer ring member 62 is a circumferential surface, the outer peripheral surface of the output side inner ring member 61 is provided with six wedge cam portions 61c that bulge outward. For this reason, in the gap between the inner peripheral surface of the output-side outer ring member 62 and the outer peripheral surface of the output-side inner ring member 61, six portions having both ends in the radial direction tapered in a wedge shape are formed. ing. Six protruding pieces 64c of the release bracket 64 protrude in this gap. When the release bracket 64 is rotated, the protruding piece 64c moves within the gap.
  • the output side clutch 60 has twelve output side clutch rollers 65 and six output side roller urging springs 66.
  • the output-side clutch roller 65 and the output-side roller urging spring 66 are disposed in a gap between the outer peripheral surface of the output-side inner ring member 61 and the inner peripheral surface of the first cylindrical portion 62b of the output-side outer ring member 62. .
  • the output side roller biasing spring 66 is disposed between the wedge cam portions 61c of the output side inner ring member 61 in the radial direction. Further, a pair of output side clutch rollers 65 are disposed on both sides of the wedge cam portion 61 c of the output side inner ring member 61. A protruding piece 64 c of the release bracket 64 is disposed between the pair of output side clutch rollers 65. These output side clutch rollers 65 are biased toward the top of the wedge cam portion 61c by the output side roller biasing spring 66.
  • the operation lever 21 is rotatable in a range from the neutral state to the maximum operation state until the rotation angle reaches the maximum operation angle ⁇ max. Further, when the operation lever 21 is rotated, the return spring 23 is bent and a return force is applied in a direction to return to the neutral position.
  • FIG. 5A shows the output-side clutch 60 in the neutral state.
  • the output side clutch roller 65 in the neutral state, in the output side clutch 60, the output side clutch roller 65 is biased toward the top of the wedge cam portion 61c by the output side roller biasing spring 66. Thereby, the output side clutch roller 65 bites into the wedge-shaped gap between the wedge cam portion 61c and the inner peripheral surface of the first cylindrical portion 62b.
  • the gap in which the first output side clutch roller 65a is located has a wedge shape that tapers in the counterclockwise direction.
  • the first output side clutch roller 65a is urged counterclockwise by an output side roller urging spring 66.
  • the gap in which the second output side clutch roller 65b is located has a wedge shape that tapers in the clockwise direction.
  • the second output side clutch roller 65 b is urged clockwise by an output side roller urging spring 66. For this reason, the second output side clutch roller 65b bites into the output side inner ring member 61 and the output side outer ring member 62 in the clockwise direction.
  • the output-side outer ring member 62 cannot move with respect to the housing 11, and the first output-side clutch roller 65a and the second output-side clutch roller 65b are opposite to both the output-side inner ring member 61 and the output-side outer ring member 62. Since it bites in the clockwise direction and the clockwise direction, the output side inner ring member 61 and the output side outer ring member 62 cannot rotate. As a result, the output shaft member 30 splined to the output-side inner ring member 61 cannot also rotate.
  • the output-side inner ring member 61 and the output-side outer ring member 62 are locked so that they cannot rotate, so that a rotational force is applied to the output shaft member 30 from the vehicle seat 40 side. Also, the output shaft member 30 does not rotate. Thereby, the vehicle seat 40 is fixed in a state where the height thereof is maintained.
  • FIG. 5 (b) shows the input side clutch 50 in the neutral state.
  • the input side clutch roller 55 is not in contact with the input side roller urging spring 56, and the input side clutch roller 55 is not in contact with the input side roller.
  • the biasing spring 56 is not biased toward the top of the wedge cam portion 51c. For this reason, the input side clutch roller 55 does not bite into the input side inner ring member 51 and the input side outer ring member 52 in the neutral state.
  • the operation lever 21 is rotated, the input side outer ring member 52 can rotate together with the input side inner ring member 51 via the input side clutch roller 55.
  • FIG. 6 is a diagram illustrating a state in which the operation lever 21 is rotated counterclockwise by a minute angle ⁇ 1 from the neutral position.
  • 6A shows the output side clutch 60
  • FIG. 6B shows the input side clutch 50.
  • FIG. 6B when the operation lever 21 is rotated counterclockwise by an angle ⁇ 1 from the neutral position, the rotation is applied to the input side inner ring member 51 via the operation plate 22 and the operation bracket 54. Communicated. Then, the input side inner ring member 51 is rotated together with the operation lever 21 by an angle ⁇ 1, and the input side outer ring member 52 is rotated together with the input side inner ring member 51 via the input side clutch roller 55.
  • the input side outer ring member 52 of the input side clutch 50 is spline-coupled to the release bracket 64. Therefore, as shown in FIG. 6A, when the input-side outer ring member 52 is rotated, the release bracket 64 also rotates together with the input-side outer ring member 52 by an angle ⁇ 1. In the state shown in FIG. 6A, the inner peripheral surface of the second engagement hole 64 b of the release bracket 64 is not in contact with the protrusion 61 b of the output side inner ring member 61. For this reason, the rotation from the input side outer ring member 52 is not transmitted to the output side inner ring member 61 and the output side outer ring member 62, and the output side inner ring member 61 and the output side outer ring member 62 do not rotate.
  • FIG. 7 is a view showing a state in which the operation lever 21 is further rotated counterclockwise from the state of FIG.
  • FIG. 7A shows the output side clutch 60
  • FIG. 7B shows the input side clutch 50.
  • FIG. 7B when the operation lever 21 is further rotated counterclockwise, the input-side inner ring member 51 and the input-side outer ring member 52 are rotated and the input-side inner ring member 51 and the input-side outer ring member 52 are rotated.
  • the rotation angle is ⁇ 2 ( ⁇ 2> ⁇ 1).
  • the release bracket 64 that rotates together with the input-side outer ring member 52 is rotated to an angle ⁇ 2.
  • the rotation angle of the release bracket 64 reaches ⁇ 2 (output side lock release angle)
  • the projecting piece 64c of the release bracket 64 comes into contact with the output side clutch roller 65c adjacent to the projecting piece 64c in the counterclockwise direction, and the output side clutch The roller 65c is pressed counterclockwise.
  • the biting into the inner peripheral surfaces of the wedge cam portion 61c and the first cylindrical portion 62b of the output side clutch roller 65c is released.
  • the output-side outer ring member 62 and the output-side inner ring member 61 can be rotated counterclockwise.
  • FIG. 8 is a diagram showing a state in which the operation lever 21 is further rotated counterclockwise from the state of FIG.
  • FIG. 8A shows the output side clutch 60
  • FIG. 8B shows the input side clutch 50.
  • FIG. 8B when the operation lever 21 is further rotated in the counterclockwise direction, the input side inner ring member 51 and the input side outer ring member 52 are rotated, and the input side inner ring member 51 and the input side outer ring member.
  • the rotation angle of 52 is ⁇ 3 ( ⁇ 3> ⁇ 2).
  • the release bracket 64 is rotated counterclockwise to an angle ⁇ 3 ( ⁇ 3> ⁇ 2).
  • the rotation angle of the release bracket 64 reaches ⁇ 3
  • the inner peripheral surface of the second engagement hole 64b of the release bracket 64 comes into contact with the protruding portion 61b of the output side inner ring member 61.
  • the rotation of the release bracket 64 can be transmitted to the output side inner ring member 61.
  • the output side inner ring member 61 and the output side outer ring member 62 are already rotatable counterclockwise. Therefore, when the operation lever 21 is further rotated counterclockwise from the state of FIG.
  • the output-side inner ring member 61 and the output-side outer ring member 62 are rotated counterclockwise, and the output that is splined to the output-side outer ring member 62 is output.
  • the shaft member 30 rotates counterclockwise. Thereby, the height of the seat 40a of the vehicle seat 40 is displaced.
  • FIG. 9 is a diagram illustrating a state in which the operation lever 21 is rotated counterclockwise up to the maximum operation angle ⁇ max.
  • FIG. 9A shows the output side clutch 60
  • FIG. 9B shows the input side clutch 50.
  • the rotation angle ⁇ of the input side inner ring member 51 and the input side outer ring member 52 in the counterclockwise direction is also the maximum rotation angle ⁇ max.
  • the counterclockwise rotation angle of the release bracket 64 becomes the maximum rotation angle ⁇ max.
  • the rotation angle ⁇ in the counterclockwise direction of the output side inner ring member 61 rotated together with the release bracket 64 becomes the maximum rotation angle ⁇ max.
  • the input side clutch 50 is configured such that the input side inner ring member 51 rotates with the rotation of the operation lever 21 when the operation lever 21 is driven from the neutral position.
  • the rotation of the operation lever 21 is transmitted to the output side clutch 60 by rotating the input side outer ring member 52 via the clutch roller 55.
  • the output-side clutch 60 regulates the rotation of the output shaft member 30 due to the force input to the output shaft member 30 from the vehicle seat 40 side.
  • the rotation of the input side inner ring member 51 of the input side clutch 50 is transmitted to the input side outer ring member 52 as soon as the operation lever 21 is rotated.
  • the responsiveness of the shaft member 30 is enhanced.
  • the present inventor in the vehicle clutch unit that operates as described above, when the operation lever 21 is returned, the input-side outer ring member 52 rotates together with the rotation of the input-side inner ring member 51, and the responsiveness is impaired. I realized that.
  • FIGS. 10 and 11 show the state when the vehicle clutch unit operates as described above and does not include the rotation suppression member 70 described later, and returns to the neutral position.
  • FIG. 10 shows a state of starting to return from the maximum rotation state (FIG. 9)
  • FIG. 11 shows a state in which the operation lever 21 has returned to the neutral state.
  • FIG. 10 shows a state immediately after the operation lever 21 is released from the maximum rotation state, and shows a state where the input side inner ring member 51 is ⁇ 4 slightly smaller than the maximum rotation angle ⁇ max.
  • the input side clutch roller 55a positioned in the counterclockwise direction with respect to the protruding piece 11i of the housing 11 is connected to the input side inner ring member 51 and the input side outer ring member.
  • the bite with 52 is released.
  • the input side clutch roller 55b positioned in the clockwise direction with respect to the protruding piece 11i of the housing 11 is pressed by the input side roller biasing spring 56 and bites into the input side inner ring member 51 and the input side outer ring member 52. Remains.
  • the vehicle clutch unit 100 is provided with a rotation suppression member 70 such as a wave washer between the input side clutch 50 and the output side clutch 60 as shown in FIGS. It has been.
  • the rotation suppression member 70 is disposed between the input side outer ring member 52 of the input side clutch 50 and the release bracket 64 of the output side clutch 60 in the axial direction.
  • the rotation suppressing member 70 is formed by forming spring steel in a ring shape, and has a corrugated shape in which a plurality of curved portions are alternately formed along the circumferential direction.
  • the rotation suppression member 70 urges the input-side outer ring member 52 and the release bracket 64 in a direction away from each other.
  • the input side outer ring member 52 and the operation are controlled so as to suppress the joint rotation of the input side outer ring member 52 by the input side inner ring member 51 during the return operation of the operation lever 21.
  • a rotation suppressing member 70 is provided that applies a rotational resistance greater than the force that rotates together with the member that does not rotate (the housing 11 in this embodiment) during the return operation of the lever 21.
  • the rotation suppressing member 70 presses the input-side outer ring member 52 in the axial direction, and generates a force that resists the force to rotate the input-side outer ring member 52 together. Yes.
  • the rotation suppressing member 70 presses the input side outer ring member 52 against the housing 11 via the input side inner ring member 51.
  • the rotation of the input side outer ring member 52 is restricted during the return operation of the operation lever 21. For this reason, at the time of the return operation of the operation lever 21, the input-side outer ring member 52 is prevented from co-rotating in the return direction by the input-side inner ring member 51. Thereby, the responsiveness at the time of continuous operation of the operation lever 21 improves.
  • the rotation suppressing member 70 presses the input side clutch 50 (the other member of the input side outer ring member 52 and the input side inner ring member 51) toward the bottom surface 11 a of the housing 11, the axial direction of the input side clutch 50 is Can be eliminated.
  • the rotation suppressing member 70 also functions as a spring for eliminating rattling, and the number of parts is reduced as compared with the case where a separate spring is provided.
  • the rotation suppression member 70 pushes the input side outer ring member 52 and the release bracket 64 (rotation transmission portion) in a direction away from each other in the axial direction. In this way, by urging the release bracket 64 in the axial direction, the engagement margin between the release bracket 64 and the output side inner ring member 61 can be increased, and the lock of the output side clutch 60 can be released more reliably. it can. Moreover, since the rotation suppression member 70 is located between the input side outer ring member 52 and the release bracket 64, the rotation suppression member 70 moves the input side outer ring member 52 and the release bracket 64 (rotation transmission portion) in the axial direction. Easy to push away.
  • the output side clutch 60 includes an output side inner ring member 61, an output side outer ring member 62, an output side clutch roller 65 (output side transmission member), and an output side roller biasing spring 66 (elastic member).
  • the output side clutch roller 65 and the output side roller biasing spring 66 are disposed between the outer peripheral surface of the output side inner ring member 61 and the inner peripheral surface of the output side outer ring member 62.
  • the output-side roller urging spring 66 has an elastic force that pushes the output-side clutch roller 65 so that the output-side clutch roller 65 moves together with the release bracket 64 (rotation transmitting portion) when the operation lever 21 is returned to the neutral position. It is generated.
  • the output side clutch roller 65 is pressed between the wedge cam portion 61c and the inner peripheral surface of the first cylindrical portion 62b without clearance, and the output side inner ring member 61 is output.
  • the side outer ring member 62 can be locked.
  • the vehicle clutch unit 100 includes the bottomed cylindrical housing 11 that houses the input-side clutch 50 (the other member of the input-side outer ring member 52 and the input-side inner ring member 51). ing.
  • the rotation suppressing member 70 presses the input side clutch 50 toward the bottom surface 11 a of the housing 11.
  • the rotation suppressing member 70 is located between the input side outer ring member 52 and the release bracket 64.
  • the rotation suppression member 70 houses the input side clutch 50. 11 and pressing the release bracket 64 toward the output side in the rotation axis direction.
  • the wave washer is used as the rotation suppressing member 70 .
  • the present invention is not limited to this.
  • it may be a compression spring that imparts a rotational resistance greater than the force of co-rotation between the input-side outer ring member 52 and the housing 11.
  • a brake pad attached to the outer peripheral surface of the input side outer ring member 52 and a brake pad attached to the inner peripheral surface of the housing 11 may be employed.
  • the large static frictional force acting on both brake pads suppresses the movement of the input side outer ring member 52 relative to the housing 11, and the joint rotation of the input side outer ring member 52 is suppressed.
  • the embodiment is not limited to the housing 11.
  • the member is a member that is separate from the housing 11 and is not rotated when the operation lever 21 is returned, such as a component that is fixed to the housing 11, the rotation suppressing member 70 rotates between the member and the input-side outer ring member 52.
  • a rotational resistance greater than the force to be applied can be applied.
  • the present invention is not limited to this.
  • a configuration in which the input side outer ring member rotates together with the operation lever 21 may be adopted.
  • the rotation suppressing member 70 is provided between the input side inner ring member and a member that does not rotate during the return operation of the operation lever 21 in order to suppress the common rotation of the input side inner ring member by the input side outer ring member.
  • the rotational resistance force is greater than the force that rotates the side inner ring member together.
  • FIG. 12 is an exploded perspective view of a vehicle clutch unit 200 according to a modification of the present invention.
  • FIG. 13 is a cross-sectional view along the axial direction of the vehicle clutch unit 200 shown in FIG.
  • Reference numerals indicating constituent members of the vehicle clutch unit 200 according to the modification are indicated by reference numerals +100 indicating respective constituent members of the vehicle clutch unit 100 according to the above-described embodiment.
  • the vehicle clutch unit 200 has a bottomed cylindrical housing 111 that houses the input-side clutch 150.
  • the input side outer ring member 152 (the other member of the inner ring member and the outer ring member) of the input side clutch 150 rotates together with the input side outer ring member 152 and transmits the rotation of the input side outer ring member 152 to the output side clutch 160.
  • 152a A rotation transmission portion 152 a is provided on the axial end surface of the output side of the input side outer ring member 152.
  • the rotation transmission part 152a is provided in three places spaced apart in the circumferential direction.
  • the rotation transmitting portion 152a is a protruding portion that extends in the axial direction toward the output side.
  • the rotation transmitting portion 152a can be engaged with a hole 164a provided in the release bracket 164.
  • the rotation transmitting portion 152a is engaged with the hole 164a, the relative rotation between the input side outer ring member 152 and the release bracket 164 is transmitted to each other.
  • the spline groove formed in the fixing portion 52d of the input side outer ring member 52 is splined with the release bracket 64, and the relative relationship between the input side outer ring member 52 and the release bracket 64 of the output side clutch 60 is relative.
  • the rotations were transmitted to each other.
  • the rotation transmitting portion 152a transmits the relative rotation between the input side outer ring member 152 and the release bracket 164 of the output side clutch 160 to each other.
  • 12 shows an example in which this rotation transmission unit is integrated with the input side outer ring member 152, but the rotation transmission unit is separate from the input side outer ring member 152, for example, the rotation transmission unit is constituted by a roller. May be.
  • the vehicle clutch unit 200 has a wave washer 170 as a rotation suppressing member.
  • the wave washer 170 is disposed between the bottom surface 111 a of the housing 111 and the input side outer ring member 152, and presses the input side outer ring member 152 toward the output side clutch 160.
  • the input side outer ring member 152 and the operation side are controlled so as to suppress the joint rotation of the input side outer ring member 152 by the input side inner ring member 151 during the return operation of the operation lever.
  • a wave washer 170 is provided that provides a rotational resistance greater than the force that rotates together with the member that does not rotate (the housing 111 in this modification) during the lever return operation. The wave washer 170 presses the input-side outer ring member 152 in the axial direction, and generates a force that resists the force that causes the input-side outer ring member 152 to rotate together.
  • the wave washer 170 may be configured to be in contact with the input side outer ring member 152 and directly pressed to the output side in the rotation axis direction, or a member that transmits a force between the wave washer 170 and the input side outer ring member 152. It is good also as a structure which presses on the output side in a rotating shaft direction indirectly.
  • the rotation of the input-side outer ring member 152 is restricted during the return operation of the operation lever. For this reason, it is suppressed that the input side outer ring member 152 rotates together in the return direction by the input side inner ring member 151 during the return operation of the operation lever. Thereby, the responsiveness at the time of continuous operation of the operating lever is improved.
  • the wave washer 170 presses the input side outer ring member 152 toward the output side clutch 160, the rotation transmission portion 152a provided on the output side axial end surface of the input side outer ring member 152 and the release bracket Sufficient allowance can be secured. For this reason, the lock
  • the wave washer 170 has a suppressing portion 171 that can contact the outer peripheral surface of the input side outer ring member 152 and suppresses a relative movement in the radial direction between the wave washer 170 and the input side outer ring member 152.
  • the restricting portion 171 is provided at three locations spaced in the circumferential direction of the outer peripheral edge of the substantially annular wave washer 170.
  • the suppression part 171 is a claw part extended toward the output side. Each suppressing portion 171 abuts on the outer peripheral surface of the input-side outer ring member 152 and restricts the relative movement in the radial direction between the wave washer 170 and the input-side outer ring member 152.
  • the wave washer 170 can be positioned in the radial direction with respect to the input-side outer ring member 152.
  • the restricting portion 171 and the outer peripheral surface of the input side outer ring member 152 may always be in contact with each other, and a clearance is generated between the restricting portion 171 and the outer peripheral surface of the input side outer ring member 152 when not operating.
  • the clearance may disappear during the operation of suppressing the relative movement in the radial direction, and the restricting portion 171 and the outer peripheral surface of the input-side outer ring member 152 may be in contact with each other.
  • the wave washer 170 as the rotation suppressing member has a crest and a trough along the circumferential direction.
  • the input-side clutch 150 is provided between the input-side inner ring member 151 and the input-side outer ring member 152, and has an input-side clutch roller 155 that transmits the mutual rotational motion.
  • the input side clutch roller 155 is positioned in the circumferential direction by the crest and trough of the wave washer 170.
  • An input side clutch roller 155 is disposed in a gap between the wave washer 170 formed by the mountain portion and the input side outer ring member 152. The displacement of the input side clutch roller 155 in the axial direction is restricted by the slope forming the mountain portion.
  • the wave washer 170 also functions as a member for positioning the input side clutch roller 155 in the circumferential direction. Therefore, the member for positioning the input side clutch roller 155 in the circumferential direction is used. The number of parts can be reduced as compared with the case of preparing separately.
  • the wave washer 170 and the housing 111 are provided with an engagement structure that engages with each other and restricts relative displacement in the circumferential direction.
  • an engagement structure is formed by the hole 172 of the wave washer 170 and the claw 111 b of the housing 111.
  • the wave washer 170 has holes 172 at three locations in the circumferential direction.
  • the housing 111 is formed with a claw portion 111 b protruding in the axial direction at a position corresponding to the hole portion 172.
  • a claw 111 b of the housing 111 passes through the hole 172 of the wave washer 170.
  • the displacement of the wave washer 170 in the circumferential direction with respect to the housing 111 is restricted.
  • the relative displacement in the circumferential direction of the housing 111 and the wave washer 170 may be regulated by a cutout portion in which a part of the inner peripheral portion of the wave washer 170 is notched. .
  • the wave washer 170 can be restricted from rotating relative to the housing 111, so that the rotation of the wave washer 170 itself is restricted, and the vehicle seat with respect to the operation of the operation lever is controlled. Displacement response is easier to improve.
  • a vehicle clutch unit is provided in which the response of the displacement of the vehicle seat to the operation of the operation lever is further enhanced.
  • 11 housing, 11a: bottom surface, 21: operation lever, 30: output shaft member, 40: vehicle seat, 50: input side clutch, 51: input side inner ring member, 52: input side outer ring member, 55: input side clutch Roller (input side transmission member), 60: output side clutch, 61: output side inner ring member, 62: output side outer ring member, 64: release bracket (rotation transmission part), 65: output side clutch roller (output side transmission member) , 66: output side roller urging spring (elastic member), 70: rotation suppressing member, 100: vehicle clutch unit

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)

Abstract

La présente invention concerne une unité d'embrayage (100) qui transmet la force opérationnelle entrée depuis un levier d'actionnement (21) à un élément d'arbre de sortie (30) par le biais d'un embrayage côté entrée (50) et d'un embrayage côté sortie (60), puis délivre en sortie la force opérationnelle à un siège de véhicule (40). L'unité d'embrayage (100) comprend un élément de suppression de rotation (70) qui supprime la co-rotation d'un élément de bague externe (52) côté entrée avec un élément de bague interne (51) côté entrée de l'embrayage côté entrée (50) pendant l'action de retour du levier d'actionnement (21), de manière à appliquer une force de résistance à la rotation supérieure à la force provoquant la co-rotation entre l'élément de bague externe (52) côté entrée et un boîtier (11) qui ne tourne pas pendant l'action de retour du levier d'actionnement (21).
PCT/JP2016/085066 2015-12-18 2016-11-25 Unité d'embrayage pour véhicules WO2017104385A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680074332.1A CN108430826B (zh) 2015-12-18 2016-11-25 用于车辆的离合器单元
US15/781,452 US10737590B2 (en) 2015-12-18 2016-11-25 Clutch unit for vehicles

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2015247655 2015-12-18
JP2015-247655 2015-12-18
JP2016-148811 2016-07-28
JP2016148811A JP6754634B2 (ja) 2015-12-18 2016-07-28 車両用クラッチユニット

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019024957A1 (fr) * 2017-07-31 2019-02-07 Schaeffler Technologies AG & Co. KG Dispositif antiretour
EP3805586A4 (fr) * 2018-05-31 2021-11-17 NTN Corporation Unité d'embrayage pour véhicule

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002045254A (ja) * 2000-06-08 2002-02-12 Faurecia Sieges D'automobile Sa 調節機構
JP2011235871A (ja) * 2010-05-03 2011-11-24 Das Corp 車両用シートの高さ調節装置
JP2013133868A (ja) * 2011-12-26 2013-07-08 Ts Tech Co Ltd クラッチユニット
JP2015067014A (ja) * 2013-09-27 2015-04-13 テイ・エス テック株式会社 ブレーキ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002045254A (ja) * 2000-06-08 2002-02-12 Faurecia Sieges D'automobile Sa 調節機構
JP2011235871A (ja) * 2010-05-03 2011-11-24 Das Corp 車両用シートの高さ調節装置
JP2013133868A (ja) * 2011-12-26 2013-07-08 Ts Tech Co Ltd クラッチユニット
JP2015067014A (ja) * 2013-09-27 2015-04-13 テイ・エス テック株式会社 ブレーキ装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019024957A1 (fr) * 2017-07-31 2019-02-07 Schaeffler Technologies AG & Co. KG Dispositif antiretour
KR20200032105A (ko) * 2017-07-31 2020-03-25 섀플러 테크놀로지스 아게 운트 코. 카게 역회전 방지 장치
US11060568B2 (en) 2017-07-31 2021-07-13 Schaeffler Technologies AG & Co. KG Return stop
KR102585034B1 (ko) 2017-07-31 2023-10-06 섀플러 테크놀로지스 아게 운트 코. 카게 역회전 방지 장치
EP3805586A4 (fr) * 2018-05-31 2021-11-17 NTN Corporation Unité d'embrayage pour véhicule

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