WO2018190040A1 - Dispositif de commutation de passage d'huile - Google Patents

Dispositif de commutation de passage d'huile Download PDF

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Publication number
WO2018190040A1
WO2018190040A1 PCT/JP2018/008889 JP2018008889W WO2018190040A1 WO 2018190040 A1 WO2018190040 A1 WO 2018190040A1 JP 2018008889 W JP2018008889 W JP 2018008889W WO 2018190040 A1 WO2018190040 A1 WO 2018190040A1
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WO
WIPO (PCT)
Prior art keywords
moving member
hole
housing
switching device
disposed
Prior art date
Application number
PCT/JP2018/008889
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English (en)
Japanese (ja)
Inventor
亮祐 永谷
彰一 山崎
雄輝 汲川
Original Assignee
アイシン精機株式会社
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Filing date
Publication date
Application filed by アイシン精機株式会社 filed Critical アイシン精機株式会社
Publication of WO2018190040A1 publication Critical patent/WO2018190040A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • 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
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure

Definitions

  • the technology disclosed in the present application relates to an oil path switching device that is mounted on a vehicle that employs a manual transmission system and that can switch between a system that operates a clutch by an actuator and a system that operates a clutch by a clutch pedal.
  • Patent Document 1 The oil passage switching device disclosed in Patent Document 1 (“Main Valve” in Patent Document 1) connects the cylinder of the actuator and the cylinder of the clutch when the clutch is operated by the actuator (during CbW travel), In addition, a cylinder of the clutch pedal and an accumulator that generates a reaction force (“balancing volume” in Patent Document 1) are connected. On the other hand, when the clutch is operated by the clutch pedal, the oil path switching device connects the cylinder of the clutch pedal and the cylinder of the clutch.
  • the entire contents of Patent Document 1 are incorporated herein by reference.
  • Patent Document 1 since the oil path switching device disclosed in Patent Document 1 requires an accumulator to apply a reaction force to the clutch pedal during CbW traveling, the cost and size of the resulting device are increased. It has a problem of end. Thus, the present application provides an oil path switching device having improved performance according to various embodiments.
  • An oil path switching device includes a first through hole communicating with a first cylinder of a clutch, a second through hole communicating with a second cylinder of an actuator, and a third through hole communicating with a third cylinder of a clutch pedal.
  • a cylindrical housing having a hole, a first moving member housed in the housing and provided between the first position and the second position, and the first moving member; The first through-hole cooperates with the housing when the first elastic member is interposed between the housing and the housing is housed in the housing, and the first moving member is disposed at the first position.
  • a first oil passage that communicates with the second through hole, and moves in a direction approaching the first moving member by being pressed by the hydraulic oil supplied through the third through hole. Pressing the first elastic member, and the first moving member is disposed at the second position.
  • An oil path switching device is mounted on a vehicle adopting a manual transmission system, and a system in which a clutch is operated by an actuator with clutch-by-wire (CbW) and a clutch is hydraulically operated. Both of the methods of operating directly by the clutch pedal via the clutch are realized, and these methods are arbitrarily switched.
  • CbW clutch-by-wire
  • FIG. 1 is a diagram schematically showing a basic configuration example used in an oil passage switching device according to an embodiment together with various components connected to the device.
  • FIG. 1 shows an oil path switching device 10 and various components connected to the oil path switching device 10, for example, a clutch device C, an actuator device A, a clutch pedal device P, and a control unit 1. .
  • the clutch device C mainly includes, for example, a clutch C1 and a clutch release cylinder (first cylinder) C2 coupled to the clutch C1.
  • the clutch C1 for example, presses the pressure plate PP against the flywheel W via the friction member F using a diaphragm spring S, so that the driving force of the engine (not shown) is partially applied to the transmission (not shown) or By restricting the clutch connection state in which the transmission is completely transmitted and the pressure applied to the pressure plate PP by the diaphragm spring S, a clutch disengagement state in which the driving force of the engine is not partially or completely transmitted to the transmission is switched.
  • the clutch release cylinder C2 controls the pressing of the clutch C1 against the diaphragm spring S via hydraulic pressure.
  • the clutch release cylinder C ⁇ b> 2 communicates with a first through hole 120 described later of the oil path switching device 10 via the first pipe line 2.
  • the actuator device A mainly includes, for example, a motor (M) A1, a worm gear A2 fixed to the rotation shaft of the motor A1, a worm wheel A3 engaged with the worm gear A2, and an actuator piston engaged with the worm wheel A3.
  • A4 and an actuator cylinder (second cylinder) A5 that accommodates the actuator piston A4.
  • the motor A1 rotates its rotation shaft according to the control by the control unit 1.
  • the worm gear A2 transmits the driving force of the motor A1 to the worm wheel A3.
  • the worm wheel A3 rotates around a central axis (a central axis extending in the depth direction on the paper surface) perpendicular to the central axis (a central axis extending in the horizontal direction on the paper surface) of the worm gear A2 in accordance with the rotation of the worm gear A2.
  • the actuator piston A4 slides along the extending direction of the actuator cylinder A5 (left and right direction on the paper surface) inside the actuator cylinder A5 according to the rotation of the worm wheel A3.
  • the actuator cylinder A5 communicates with a second through-hole 122 (described later) of the oil passage switching device 10 through the second pipe 3.
  • the clutch pedal device P mainly includes, for example, a clutch pedal P1, a clutch piston P2 coupled to the clutch pedal P1, and a clutch master cylinder (third cylinder) P3 that accommodates the clutch piston P2.
  • the clutch pedal P1 rotates around a rotation axis (a rotation axis extending in the depth direction on the paper surface) when stepped on by a driver.
  • the clutch piston P2 coupled to the clutch pedal P1 slides along the extending direction (horizontal direction on the paper surface) of the clutch master cylinder P3 inside the clutch master cylinder P3 in accordance with the rotation of the clutch pedal P1.
  • the clutch master cylinder P3 communicates with a third through hole 124 described later of the oil passage switching device 10 through the third pipe 4.
  • Control unit 1 The control unit 1 is electrically connected to the actuator device A, the clutch pedal device P, and the oil path switching device 10. The control unit 1 controls the actuator device A based on the state of the clutch pedal device P and / or the state of the oil path switching device 10. Specifically, for example, the control unit 1, when the case 200 to be described later in the oil passage switching device 10 is in the first position L 1 is the amount of rotation and / or other information of the clutch pedal P1 of the clutch pedal device P Accordingly, the rotation of the motor A1 of the actuator device A can be controlled.
  • control unit 1 when the case 200 to be described later in the oil passage switching device 10 is in the second position L 2, regardless of the amount of rotation and / or other information of the clutch pedal P1 of the clutch pedal device P, the actuator The rotation of the motor A1 of the device A can be stopped.
  • control part 1 is the sensor (for example, the sensor which detects the position of the clutch pedal P1 and / or the position of the clutch piston P2) provided in the clutch pedal apparatus P about the rotation amount of the clutch pedal P1 of the clutch pedal apparatus P. ) From the received signal.
  • the oil path switching device 10 is mainly composed of, for example, a cylindrical casing 100 and a case (first moving member) accommodated in the casing 100. 200, a piston (second moving member) 300 accommodated in the housing 100, and a sheet (third moving member) 400 accommodated in the case 300.
  • the housing 100 can be formed of, for example, a metal such as iron, steel, an aluminum alloy, or a titanium alloy so as to extend from the one end 102 to the other end 104 and to have a substantially cylindrical shape as a whole.
  • a first space 106 extending from the vicinity of the other end 104 to the vicinity of the center portion, and a second space 108 communicating with the first space 106 and extending to the first opening 110 formed at the one end 102, , Can be included.
  • the first space 106 is a substantially cylindrical space having a first inner diameter
  • the second space 108 is a substantially cylindrical space having a second inner diameter larger than the first inner diameter.
  • the first space 106 is mainly surrounded by a first inner wall 112 having a first inner diameter, and a second inner wall 114 extending in a direction intersecting the first inner wall 112 (here, a direction orthogonal to one example). . Between the first inner wall 112 and the second inner wall 114, an additional inner wall 115 extending in an annular shape with an inclined angle with respect to the first inner wall 112 and the second inner wall 114 may be formed. .
  • the second space 108 is surrounded by a third inner wall 116 having a second inner diameter, and a fourth inner wall 118 extending in a direction intersecting the third inner wall 116 (in this example, a direction orthogonal thereto).
  • the housing 100 has a first through hole 120 communicating with the first space 106 and the outside of the housing 100.
  • the first through hole 120 communicates with the clutch release cylinder C ⁇ b> 2 of the clutch device C described above via the first pipeline 2.
  • the housing 100 has a second through hole 122 communicating with the first space 106 and the outside of the housing 100.
  • the second through hole 122 communicates with the actuator cylinder A5 of the actuator device A described above via the second pipeline 3.
  • the housing 100 has a third through hole 124 communicating with the first space 106 and the outside of the housing 100.
  • the third through-hole 124 communicates with the clutch master cylinder P3 of the clutch pedal device P described above via the third pipeline 4.
  • the third through-hole 124 includes a first passage 124 a that communicates with the outside of the housing 100 and a first hole 114 a that is branched from the first passage 124 a and formed in the second inner wall 114.
  • the second passage 124b communicates with the first passage 124a
  • the third passage 124c branches from the first passage 124a and communicates with the first space 106 through the second hole 112a formed in the first inner wall 112.
  • a check valve 126 may be provided in the second passage 124b.
  • the check valve 126 allows the hydraulic oil to flow from the first space 106 toward the second passage 124b, while restricting the hydraulic oil from flowing from the second passage 124b toward the first space 106. It works. The reason why the check valve 126 is provided will be described later.
  • Case 200 (first moving member) The case 200 extends from one end 202 to the other end 204, has a second opening 206 at the other end 204, and has, for example, a substantially cylindrical shape as a whole, for example, iron, steel, aluminum alloy, titanium alloy, etc. It can be formed of any metal.
  • the case 200 accommodated in the second space 108 of the casing 100 is formed by attaching the annularly extending snap ring 128 to the vicinity of the one end 102 of the casing 100 on the third inner wall 116 of the casing 100. It is restricted from leaving 100.
  • Case 200 includes a first position L 1 of which one end 202 is in contact with the snap ring 128, one end 202 places the distance from the snap ring 128, a second position close to the fourth interior wall 118 of the housing 100 L 2 It is provided so as to be movable (slidable).
  • the case 200 is positioned state is shown in a first position L 1
  • Piston 300 (second moving member) The piston 300 extends from one end 302 to the other end 304, and may be formed of a metal such as iron, steel, aluminum alloy, titanium alloy, or the like so as to exhibit a substantially cylindrical shape as a whole.
  • the piston 300 extends from the one end 302 in a substantially cylindrical shape and has a first member 306 having a first outer diameter, and is connected to the first member 306 and extends in a substantially cylindrical shape (larger than the first outer diameter).
  • the third outer diameter of the third member 310 is set to be slightly smaller than the first inner diameter of the first space 106 of the housing 100.
  • the piston 300 moves (slids) in the extending direction of the housing 100 (left and right in the drawing) when the third member 310 is inserted into the first space 106 of the housing 100 and guided by the first inner wall 112. It is provided to do.
  • the piston 300 includes a first groove 312 that extends, for example, in a substantially annular shape on the outer peripheral surface of the third member 310.
  • the first groove 312 when the case 200 is disposed in a first position L 1 (the state shown in FIG. 1), the third member 310 of the piston 300 is not to block the second hole 112a of the housing 100 It is formed in the outer peripheral surface of the 3rd member 310 so that the 2nd hole 112a may be connected to the 1st space 106 by this.
  • a second inner wall 114 of the housing 100 (or additional interior wall 115) It is formed on the outer peripheral surface of the third member 310 so as to surround it.
  • the piston 300 has a second groove 314 that extends, for example, in a substantially annular shape, adjacent to the first groove 312 on the outer peripheral surface of the third member 310.
  • the second groove 314 when the case 200 is disposed in a first position L 1 (the state shown in FIG. 1), to face the both of the first through hole 120 and the second through-hole 122 of the housing 100 Communicating (the first through hole 120 and the second through hole 122 communicate with each other through the second groove 314), and do not face (communicate) the first hole 114a and the second hole 112a of the housing 100.
  • it is formed on the outer peripheral surface of the third member 310.
  • the second groove 314 when the case 200 is disposed in a first position L 1 (the state shown in FIG. 1), also the piston 300 is slid relative to the housing 100, the first through It is formed so as to have a length (a length along the extending direction of the piston 300) sufficient to ensure a state in which both the hole 120 and the second through hole 122 communicate with each other.
  • the second groove 314 when the case 200 is disposed in the second position L 2 (the state shown in FIG. 3 to be described later), both the second hole 112a and the first through hole 120 of the housing 100
  • the second through hole 122 of the housing 100 is formed so as not to face (communicate).
  • the piston 300 has a third groove 316 that extends substantially annularly, for example, adjacent to the second groove 314 on the outer peripheral surface of the third member 310.
  • the third groove 316 when the case 200 is disposed in a first position L 1 (the state shown in FIG. 1), the first hole 114a of the housing 100, the second hole 112a, the first through hole 120 and the It is formed so as not to face (communicate) any of the two through holes 122.
  • the third groove 316 when the case 200 is disposed in a first position L 1 (the state shown in FIG.
  • the piston 300 is slid relative to the housing 100, the housing 100
  • the first hole 114 a, the second hole 112 a, the first through hole 120, and the second through hole 122 are formed so as to ensure that they do not face (communicate) with each other.
  • the third groove 316 when the case 200 is disposed in the second position L 2 (the state shown in FIG. 3 to be described later), so as to communicate with opposite only in the second through-hole 122 of the housing 100 That is, it is formed so as not to face (communicate with) any of the first hole 114 a, the second hole 112 a, and the first through hole 120 of the housing 100.
  • the piston 300 can have a fourth groove 318 that extends, for example, in a substantially annular shape, adjacent to the third groove 316 on the outer peripheral surface of the third member 310.
  • a cup seal (reference numerals are omitted for convenience) is arranged in the fourth groove 318 to prevent hydraulic oil from entering from the fourth groove 318 toward the one end 302 side of the piston 300. it can.
  • the piston 300 has a region between the first groove 312 and the second groove 314, a region between the second groove 314 and the third groove 316, and a third surface on the outer peripheral surface of the third member 310.
  • Each of the regions between the groove 316 and the fourth groove 318 may have an additional groove (reference numerals are omitted for convenience) extending, for example, in a substantially annular shape.
  • Each of these additional grooves may be provided with a combination seal (reference numerals are omitted for convenience) to prevent the hydraulic oil from entering toward the one end 302 side of the piston 300. .
  • Sheet 400 (third moving member)
  • the sheet 400 may be formed of a metal such as iron, steel, an aluminum alloy, or a titanium alloy so as to extend from one end 402 to the other end 404 and to have a substantially annular shape as a whole.
  • the seat 400 extends substantially annularly from one end 402 and has a fourth member 406 having a fourth outer diameter, and is connected to the fourth member 406 and extends substantially annularly (larger than the fourth outer diameter).
  • a fifth member 408 having a diameter.
  • the seat 400 is inserted through the first member 306 and the second member 308 of the piston 300 and engaged with the second member 308, so that the outer peripheral surface of the fifth member 408 contacts the fifth inner wall 208 of the case 200. Housed inside the case 200. Further, the seat 400 is inserted into the second member 308 of the piston 300, and the first spring (first elastic member) 500 disposed between the seat 400 and the piston 300 (the third member 310) of the piston 300 is used. It is biased in a direction away from the third member 310.
  • the seat 400 has an end surface of one end 402 that contacts a first stopper (locking member) 320 that extends in a substantially annular shape and is fixed to the first member 306 so as to surround the outer peripheral surface of the first member 306 of the piston 300. The contact with the piston 300 (the first member 306) is restricted from coming off.
  • the seat 400 is separated from the sixth inner wall 210 of the case 200 by a second spring (second elastic member) 502 that is pre-compressed between the fifth member 408 and the sixth inner wall 210 of the case 200. It is biased away. That is, the seat 400 is disposed with the second spring 502 sandwiched between the case 200 and the first spring 500 sandwiched between the piston 300. Regarding the relationship between the first spring 500 and the second spring 502, the first spring 500 contracts by receiving a force equal to or greater than the first threshold value from the piston 300, and the pre-compressed second spring 502 is removed from the seat 400.
  • the spring constants (length, diameter, and material) of the first spring 500 and the second spring 502 are set so as to further contract by receiving a force greater than the first threshold and greater than or equal to the second threshold.
  • the seat 400 is disposed inside the case 200 so that the end surface of the other end 404 abuts on an annularly extending snap ring 212 fixed to the fifth inner wall 208 of the case 200. Thereby, even if the seat 400 is disposed inside the case 200 in a state of being biased by the second spring 502, the seat 400 is restricted from being detached from the case 200.
  • the case 200 by receiving some external force, it can be moved between the first position L 1 and the second position L 2.
  • a specific example of an oil passage switching device to which a configuration for applying such an external force to the case 200 is added will be described.
  • FIG. 2 is a diagram schematically showing an example of the configuration in which the case of the oil passage switching device according to another embodiment is disposed at the first position together with various components connected to the device. 2 that are the same as those shown in FIG. 1 are assigned the same reference numerals, and detailed descriptions thereof are omitted.
  • the case 200 has a fourth through hole 214 at one end 202 thereof.
  • the case 200 includes a first engagement portion 216 extending from one end 216a to the other end 216b, for example, extending in a substantially cylindrical shape.
  • the first engaging portion 216 can include, for example, a sixth member 216c extending from the one end 216a in a substantially cylindrical shape, and a seventh member 216d connected to the sixth member 216c and extending in a substantially cylindrical shape to the other end 216b. .
  • the first engaging portion 216 is incorporated in the case 200 in a state where the sixth member 216c is inserted through the fourth through hole 214 and the seventh member 216d is accommodated inside the case 200. Further, the first engaging portion 216 sandwiches the end surface of the one end 202 of the case 200 between the snap ring 216e attached to the outer peripheral surface of the sixth member 216c and extending in a substantially annular shape and the seventh member 216d. It is fixed to the case 200.
  • the oil path switching device 20 shown in FIG. 2 includes a rotating member 600 extending from one end 602 to the other end 604, a turnover spring 610 attached to the rotating member 600, a manual operation lever 620, and the rotating member 600. And a wire 630 connecting the manual operation lever 620.
  • Rotating member 600 is rotatably provided around a central axis 606 that is orthogonal to the moving direction of case 200 (left and right direction on the paper surface).
  • One end 602 of the rotation member 600 is rotatably attached to, for example, an end portion of the sixth member 216c of the first engagement portion 216.
  • the turnover spring 610 extends from one end to the other end and can be formed of a linear elastic material.
  • the turnover spring 610 has a winding portion that is wound a plurality of times between one end and the other end and extends annularly.
  • One end of the turnover spring 610 is rotatably attached to the fixed portion W 1 (an arbitrary wall portion of the vehicle or the like).
  • this W 1 may be an arbitrary part of the housing 100 (for example, a fixing portion (not shown) extending from the outer peripheral surface of the housing 100).
  • the other end of the turnover spring 610 is rotatably attached to the other end 604 of the rotating member 600.
  • the manual operation lever 620 is rotatably provided around a central axis at one end thereof (a central axis extending substantially parallel to the central axis of the rotating member 600).
  • the other end of the manual operation lever 620 and the other end 604 of the rotating member 600 are connected by a wire 630.
  • the turnover spring 610 biases the one end and the other end away from each other so as to return to the original shape. Try to rotate clockwise. Thereby, the first engagement portion 216 of the case 200 pulls the case 200 in a direction toward the one end 102 of the housing 100. Case 200 is pulled by the first engagement portion 216 is fixed to the first position L 1 in contact with the snap ring 128. Thus, when the case 200 is disposed in a first position L 1, the rotary member 600, the turnover spring 610 is biased to rotate in a direction to release the case 200 from the second position L 2 the Rukoto, case 200 is held in the first position L 1.
  • the case 200 is guided by the third inner wall 116 of the housing 100 and moves (slids) toward the other end 104 of the housing 100.
  • the piston 300 connected to the housing 100 via the seat 400 is also guided by the first inner wall 112 of the housing 100 and moves (slids) toward the other end 104 of the housing 100.
  • the other end 304 of the piston comes into contact with the second inner wall 114 of the housing 200.
  • the case 200 as shown in FIG. 3, and reaches the second position L 2.
  • the turnover spring 610 biases the release the attempts return to its original shape and its one end and its other end.
  • the turning member 600 is biased by the turnover spring 610 in the direction of turning around the central axis 606 in the clockwise direction on the paper surface.
  • the case 200 once it reaches the second position L 2, is secured to the second position L 2.
  • the turnover spring 610 is biased to rotate in a direction to release the case 200 from the first position L 1 the Rukoto, case 200 is held in the second position L 2.
  • FIG. 4 schematically shows a configuration example in which both the first spring and the second spring of the oil path switching device shown in FIG. 2 are contracted together with various components connected to the device.
  • the case 200 is an oil passage switching device 20 is shown in the state of being arranged in a first position L 1.
  • the second groove 314 of the piston 300 by communicating opposite to both of the first through hole 120 and the second through hole 122, the first through hole 120 and the 2nd through-hole 122 are connected. That is, the second groove 314 of the piston 300 forms a first oil passage communicating with the first through hole 120 and the second through hole 122.
  • the hydraulic fluid supplied from the actuator cylinder A5 of the actuator device A to the oil passage switching device 20 via the second pipe 3 passes through the second groove 314 (first oil passage) and the first pipe 2.
  • the hydraulic oil supplied to the clutch release cylinder C2 of the clutch device C (or the hydraulic oil supplied from the clutch release cylinder C2 of the clutch device C to the oil passage switching device 20 via the first pipeline 2 is 314 (first oil passage) and the second pipe 3 are supplied to the actuator cylinder A5 of the actuator device A).
  • the actuator device A can control connection and disconnection of the clutch device C.
  • the piston 300 is also without blocking any of the first hole 114a and the second hole 112a of the housing 100, the first of these housing 100 Communication is made through one space 106.
  • the hydraulic oil supplied from the clutch master cylinder P3 of the clutch pedal device P to the oil passage switching device 20 via the third pipeline 4 is transferred to the first passage 124a and the first passage. It is supplied to the first space 106 through the three passages 124c.
  • the hydraulic oil supplied to the first space 106 presses the piston 300 in a direction toward the one end 102 of the housing 100.
  • the first spring 500 When receiving a force greater than or equal to the first threshold value from the piston 300, the first spring 500 starts to contract. As a result, the piston 300 is moved (slided) in a direction approaching the one end 102 of the housing 100 against the biasing force of the first spring 500. At this time, since the force received by the second spring 502 via the first spring 500 and the seat 400 is less than the second threshold value, the second spring 502 arranged in a pre-compression state does not start further contraction. .
  • the oil path switching device 20 applies a reaction force to the clutch pedal P1. Can be given.
  • the oil path switching device 20 is arranged to be pre-compressed with a first spring 500 that contracts by receiving a force equal to or greater than a first threshold, and receives a force equal to or greater than a second threshold greater than the first threshold.
  • the reaction force is generated by combining the second spring 502 that further contracts.
  • the load characteristic of the reaction force applied by the oil path switching device 20 characteristic defining the relationship between the stroke of the clutch pedal P1 (horizontal axis) and the load applied to the clutch pedal P1 (vertical axis)
  • the slope of the section where both the first spring 500 and the second spring 502 contract becomes smaller.
  • the oil path switching device 20 can realize load characteristics similar to those obtained in a vehicle employing a manual transmission system.
  • the second groove 314 is opposed to and communicates with both the first through hole 120 and the third through hole 124 (the first passage 124a and the third passage 124c), so that the first through hole 120 and the third through hole 124 are communicated.
  • a second oil passage communicating with the first passage 124a and the third passage 124c is formed.
  • the hydraulic oil is allowed to flow from the first space 106 toward the first passage 124a in the second passage 124b of the third through hole 124, while the hydraulic oil is allowed to flow in the first passage 124a.
  • a check valve 126 that operates to restrict the flow from the first to the first space 106 can be provided.
  • the piston 300 pressed by the hydraulic oil supplied from the clutch pedal device P can be more reliably prevented from moving in the direction approaching the one end 102 of the housing 100 during MT travel. can do.
  • the second groove 314 of the piston 300 can reliably form a second oil passage communicating with the first through hole 120 and the third through hole 124 (the first passage 124a and the third passage 124c). .
  • a projection (not shown) that functions as a poppet valve is provided at the other end 304 of the piston 300, and this projection is used to It is more reliable that the piston 300 pressed by the hydraulic oil supplied from the clutch pedal device P moves in the direction approaching the one end 102 of the housing 100 during the MT traveling also by closing the 1 hole 114a. Can be prevented.
  • the third through hole 124 includes the first hole 114 a and the second hole 112 a that communicate with the first space 106.
  • the first hole 114a is by the piston 300 when the casing 200 is released by the piston 300 when disposed in the first position L 1 (see FIG. 2), the case 200 is disposed in the second position L 2 It is closed (see FIG. 3).
  • the second hole 112a is released by the piston 300 when the case 200 is disposed in a first position L 1 (communicating with the first hole 114a through the first space 106 (see FIG. 2), the case 200 There is formed a second oil passage in cooperation with the second groove 314 of the piston 300 when disposed in the second position L 2 (see FIG. 3).
  • the third through hole 124 further includes a check valve 126 provided adjacent to the first hole 114a (see FIGS. 2 and 3).
  • the check valve 126 regulates the movement of the hydraulic oil from the outside of the housing 100 toward the first space 106 (or the piston 300), while operating from the first space 106 (or the piston 300) toward the outside of the housing 100. Allow oil movement.
  • the piston 300 is moved toward the other end 104 of the housing 100 Focus on the situation again.
  • the hydraulic oil flows in the first inner wall 112, the second inner wall 114, and the other end 304 of the piston 300 in the first space 106. It can move toward the clutch master cylinder P3 of the clutch pedal device P from the region surrounded by the end face via the second hole 112a (and the first hole 114a).
  • the second hole 112a is formed in the first space.
  • the region surrounded by the first inner wall 112, the second inner wall 114, and the end surface of the other end 304 of the piston 300 no longer communicates with each other. Even in such a state, the hydraulic oil existing in the region surrounded by the first inner wall 112, the second inner wall 114, and the end surface of the other end 304 of the piston 300 in the first space 106 remains in the first hole 106. It can move toward the clutch master cylinder P3 of the clutch pedal device P through 114a, the check valve 126 and the like.
  • Modified example 4-1 In the embodiment shown in the first modification FIGS. 2 to 4, as an element for applying an external force to the case 200 to move between the first position L 1 and the second position L 2, a manually operated lever 620 The case of using was described. In another embodiment, another actuator device can be used as an element for applying an external force to the case 200.
  • FIG. 5 is a diagram schematically showing a configuration example of an oil passage switching device in which a case according to still another embodiment is movably formed by another actuator together with various components connected to this device. Note that, among the components shown in FIG. 5, the same components as those shown in FIGS. 1 to 4 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the oil path switching device 30 can use another actuator device (second actuator device) A ′ to apply an external force to the case 200.
  • Another actuator device A ' may use the same actuator device as described above with reference to FIG. That is, another actuator device A ′ mainly includes, for example, a motor (M) A1, a worm gear A2 fixed to the rotation shaft of the motor A1, a worm wheel A3 engaged with the worm gear A2, and a worm wheel A3. It can include an engaging actuator piston A4 and an actuator cylinder A5 that houses the actuator piston A4.
  • the oil path switching device 30 further includes a first connection member 640 that connects the rotation member 600 and another actuator device A ′.
  • the first connection member 640 is, for example, a rod-shaped member that extends from one end to the other end.
  • One end of the first connection member 640 is rotatably attached to the worm wheel A ⁇ b> 3, and the other end is rotatably attached to the other end 604 of the rotation member 600.
  • the case 200 has reached the second position L 2 shown in FIG. 3 may be secured to the second position L 2.
  • the rotating member 600 also rotates around the central axis 606 counterclockwise on the paper surface.
  • the case 200 can be returned from the second position L 2 in the first position L 1.
  • another actuator device A ' is not rotated the worm wheel A3 since the rotating member 600 is also not possible to rotate the case 200 that has reached the first position L 1 shown in FIG. 5, the first It may be secured to the first position L 1.
  • the turnover spring 610 described with reference to FIGS. 2 to 4 may be attached to the other end of the rotating member 600 by the same method.
  • the turnover spring 610 biases to pivot in a direction to release the case 200 from the second position L 2 by being the case 200 is further reliably held in the first position L 1.
  • the turnover spring 610 is biased to rotate in a direction to release the case 200 from the first position L 1 Accordingly, the case 200 is further reliably held in the second position L 2.
  • another spring can be used as an element for applying an external force to the case 200.
  • FIG. 6 is a diagram schematically showing a configuration example of an oil passage switching device in which a case according to still another embodiment is formed to be movable by a third spring, together with various components connected to this device. 6 that are the same as those shown in FIGS. 1 to 5 are given the same reference numerals, and detailed descriptions thereof are omitted.
  • the housing 100 is in contact with the fifth through hole 130 formed in the vicinity of one end 102 thereof and the end surface of the one end 202 of the case 200 inserted into the fifth through hole 130.
  • a holding member 132 provided between the second connecting member 134 connecting the holding member 132 and a worm wheel A3 of another actuator device A ′, and the holding member 132 facing the holding member 132.
  • a lid member 136 provided with a third spring (third elastic member) 504 interposed therebetween.
  • the holding member 132 may be formed as a plate-like member having an arbitrary shape (shape such as a circular shape, a rectangular shape, and a U shape).
  • One end of the second connection member 134 is coupled to the holding member 132, and the other end is rotatably attached to a worm wheel A3 of another actuator device A '.
  • the lid member 136 has, for example, a substantially cylindrical shape.
  • the lid member 136 has a notch 136a formed so as to extend substantially annularly so as to dispose the third spring 504 over the outer periphery thereof.
  • the lid member 136 is restricted from being detached from the housing 100 by being locked to the snap ring 128 described above.
  • the third spring 504 is arranged between the holding member 132 and the lid member 136 so that one end thereof is in contact with the holding member 132 and the other end is arranged in the notch 136a of the lid member 136.
  • the case 200 is disposed in a first position L 1.
  • the second connecting member 134 is pulled upward on the paper surface, whereby the holding member coupled to the second connecting member 134 is obtained.
  • 132 is also pulled upward on the page. Therefore, the holding member 132 is removed from the housing 100 through the fifth through hole 130.
  • the third spring 504 presses the end surface of the one end 202 of the case 200 toward the other end 104 of the housing 100 (in this case, the end surface 202a of the one end 202 of the case 200 is caused by the third spring 504).
  • the case 200 moves (slids) toward the other end 104 of the casing 100 until the other end 304 of the piston 300 contacts the second inner wall 114 of the casing 100, thereby causing the second position L. 2 is reached.
  • the case 200 that has reached the second position L ⁇ b > 2 is still pressed toward the other end 104 of the housing 100 by the third spring 504. Therefore, the case 200 has reached the second position L 2 is secured in the second position L 2.
  • case 200 disposed at a first position L 1 is disposed in the second position L 2 moves toward the other end 104 of the housing 100
  • case 200 disposed at a first position L 1 may be disposed in the second position L 2 moves away from the other end 104 of the housing 100.
  • FIG. 7 is an oil passage switching device in which a case disposed at a first position according to yet another embodiment is formed to be movable toward a second position toward one end of the housing, and the case is at the first position. It is a figure which shows typically the structural example of the oil-path switching apparatus in the arrange
  • FIG. 8 schematically shows an example of the configuration of the oil passage switching device shown in FIG. 7 in which the case is disposed at the second position, together with various components connected to the device.
  • the casing 100 has a third through hole at a position facing the other end 304 of the piston 300 instead of the third through hole 124 shown in FIGS. 1 to 6. It has a hole 140. Furthermore, the housing 100 includes a second stopper 142 that extends in a substantially annular shape and is disposed so as to contact the fourth inner wall 118.
  • the other end 304 of the piston 300 by opening without closing the first through hole 120 and the third through-hole 140, the The first through hole 120 and the third through hole 140 are communicated with each other through the first space 106 of the housing 100. That is, the piston 300 forms a second oil passage that communicates with the first through hole 120, the first space 106, and the third through hole 140. Since the piston 300 is in contact with the second stopper 142, even if hydraulic oil is further supplied from the third through hole 140, the piston 300 moves (slids) further in the direction closer to the one end 102 of the housing 100. )Can not do it.
  • FIG. 9 schematically shows an enlarged part of a configuration example of an oil passage switching device 60 in which a fluid supply hole for supplying a fluid to a casing 100 according to still another embodiment is formed.
  • FIG. 9 Note that, among the components shown in FIG. 9, the same components as those shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the third through hole 124 is different from the example shown in FIGS. 1 and 2 in that it communicates with the second hole 112a through the fourth passage 124d.
  • the fourth passage 124d communicates with the fifth passage 124e branched from the fourth passage 124 in the middle thereof.
  • the housing 100 has, for example, a fluid supply hole (air supply hole) 150 adjacent to the third through hole.
  • a bleeder a valve capable of changing a state between a closed state that does not allow fluid to pass and an open state that allows fluid to pass
  • the fluid supply hole 150 communicates with the third hole 114c formed in the second inner wall 114 via the sixth passage 150a.
  • the sixth passage 150a communicates with the fifth passage 124e in the middle thereof.
  • the check valve 126 described above is disposed in the fifth passage 124e.
  • the check valve 126 allows the hydraulic oil to flow from the sixth passage 150a toward the fourth passage 124d, while restricting the hydraulic oil from flowing from the fourth passage 124d toward the sixth passage 150a. It will work.
  • the third hole 114c similar to the first hole 114a, (see Figure 2 associated with the first hole 114a) released by the piston 300 when the case 200 is disposed in a first position L 1, Case 200 It is closed by the piston 300 when disposed in the second position L 2 (see FIG. 9).
  • the second hole 112a is (see Fig. 2 associated with the first hole 114a) Case 200 first position communicating with the third hole is released by the piston 300 when disposed in L 1, Case 200 There when disposed in the second position L 2, by communicating with the second groove 314 to form the second oil passage in cooperation with the piston 300 (see FIG. 9).
  • the case 200 with the moving from the first position L 1 in the second position L 2, the piston 300 is moved toward the other end 104 of the housing 100 Focus on the situation. Note that the bleeder 160 is kept closed.
  • the case 200 is arranged in the first position L 1 (e.g., see the relevant Figure 2), since the second hole 112a is not closed by the piston 300, hydraulic fluid, first in the first space 106 1 The region surrounded by the inner wall 112, the second inner wall 114, and the end face of the other end 304 of the piston 300 is directed to the clutch master cylinder P3 of the clutch pedal device P through the second hole 112a (and the third hole 114c). Can move.
  • the second hole 112a is formed in the first space.
  • the region surrounded by the first inner wall 112, the second inner wall 114, and the end surface of the other end 304 of the piston 300 no longer communicates with each other.
  • the hydraulic oil existing in the region surrounded by the first inner wall 112, the second inner wall 114, and the end surface of the other end 304 of the piston 300 in the first space 106 remains in the third hole. It can move toward the clutch master cylinder P3 of the clutch pedal device P through 114c, the sixth passage 150a, the fifth passage 124e, the check valve 126, the fourth passage 124d, and the like.
  • the piston 300 (see FIGS. 9 and 3) whose other end 304 is in contact with the second inner wall 114 of the housing 100 due to the case 200 being disposed at the second position L 2 . Pay attention to the situation of returning to the original position (see FIG. 1 etc.).
  • the sixth passage 150a is a bag path. In such a state, moving the piston 300 in the direction away from the other end 104 of the housing 100 (approaching the one end 102 of the housing 100) is a fluid that should flow into the first space 106 from the third hole 114c ( Air) is not easy.
  • the third hole 114c has been described as having the function performed by the first hole 114a in the example shown in FIGS.
  • the third hole 114c may be provided so as to coexist separately from the first hole 114a in the example shown in FIGS.
  • the hydraulic oil discharged from the third hole 114c can be returned to the clutch master cylinder P3 via the third through hole 124.
  • the six passages 150a communicate with at least one of the first passage 124a, the second passage 124b, and the third passage 124c, the fluid supply hole 150, the sixth passage 150a, and the third hole 114c are formed on the casing 100. It can be formed anywhere.
  • a driver or the like in which the actuator device A recognizes that it has failure moves the case 200 disposed in a first position L 1 in the second position L 2 after, it is preferable to return the case 200 disposed in the second position L 2 when skilled repairing actuator device a (e.g. a vehicle manufacturer or dealer) to repair the actuator device a in the first position L 1 .
  • skilled repairing actuator device a e.g. a vehicle manufacturer or dealer
  • first engaging portion 216 and the second engaging portion 216 are fixed to the case 200.
  • first engaging portion 216 and the second engaging portion 216 are provided movably along the fourth through hole 214 of the case 200, and the seventh member 216d is formed as shown in FIGS. It is good also as what is comprised so that it may have an outer diameter larger than what was shown in (2), and the 2nd spring 502 may be pinched
  • the method and the clutch device C to be operated by an actuator device A clutch device C in the clutch-by-wire (CBW) through the hydraulic clutch When realizing both methods of direct operation by the pedal device P, no separate device (accumulator or the like) is required to apply a reaction force to the clutch pedal device P, and the oil path switching device itself is 1 Or the reaction force which should be supplied with respect to the clutch pedal apparatus P is produced
  • An oil path switching device includes a first through hole communicating with a first cylinder of a clutch device, a second through hole communicating with a second cylinder of an actuator device, and a clutch pedal device.
  • a first elastic member between the member and the first moving member and housed in the housing, and when the first moving member is disposed at the first position, A first oil passage that communicates with the first through hole and the second through hole in cooperation is formed, and the first oil passage is pressed by the hydraulic oil supplied through the third through hole.
  • the first moving member moves in a direction approaching the moving member and presses the first elastic member to move the first moving member.
  • a second moving member that forms a second oil passage in communication with the first through hole and the third through hole in cooperation with the housing when a material is disposed at the second position; are provided.
  • the oil path switching device does not require a separate device (such as an accumulator) in order to apply a reaction force to the clutch pedal, and uses one or more elastic members (springs). The reaction force that should be supplied is generated.
  • the oil path switching device can reduce the required cost or size, and thus can provide an oil path switching device having improved performance.
  • the oil path switching device is inserted into the first moving member through the second moving member, and the second moving member is interposed between the first moving member and the second moving member.
  • An elastic member is sandwiched between the second moving member and the first elastic member. The initial position where the second elastic member is pre-compressed, and the second elastic member is further contracted.
  • An annular third moving member that is movably provided between the first moving member, the second moving member is fixed to one end of the second moving member, and the second moving member is located inside the first moving member.
  • the oil path switching device is the second aspect, wherein the first elastic member contracts by receiving a force equal to or greater than a first threshold value from the second moving member, and is pre-compressed and disposed.
  • the second elastic member is further contracted by receiving a force from the third moving member that is greater than the first threshold and greater than or equal to a second threshold.
  • the first moving member has a first engagement portion connected to an operation lever, The first engagement member moves between the first position and the second position in response to an external force applied to the one engaging portion by the operating lever, or the first moving member is connected to a second actuator device. It has a joint part and moves between the first position and the second position in accordance with an external force from the second actuator device to the second engaging part. According to this aspect, the first moving member can be easily moved between the first position and the second position by operating the operation lever or the second actuator device.
  • the first moving member is disposed between the first moving member and the casing.
  • a third engaging portion that receives an external force generated by the third elastic member, and moves from the first position to the second position in response to the external force.
  • the first moving member can be easily moved between the first position and the second position using the accumulated force generated by the elastic member.
  • the oil path switching device is the above-described fourth aspect, wherein one end is connected to the first engagement portion or the second engagement portion, and the other end is the operation lever or the second actuator device.
  • a pivot member connected to the pivot member, wherein the pivot member is pivoted at one end to a part of the housing or a fixed portion of the vehicle when the first moving member is disposed at the first position.
  • a turnover spring that is freely connected and has the other end pivotally connected to the other end of the turning member is urged to turn the first moving member away from the second position.
  • the turnover spring biases the first moving member to rotate in a direction away from the first position.
  • the rotating member is urged by the turnover spring, the first moving member is held at the first position when it is disposed at the first position, and is disposed at the second position. Is held in this second position.
  • the third through hole has the first moving member disposed at the first position.
  • the second hole is not closed by the second moving member, so that the working oil is the end surface of the housing and the other end of the second moving member. It can move toward the 3rd cylinder of a clutch pedal device via the 2nd hole (and 1st hole) from the field surrounded by. Thereafter, when the first moving member moves from the first position to the second position, the second moving member moves toward the other end of the housing, so that the vicinity of the other end of the second moving member is in the second hole.
  • the hydraulic oil passes through the second hole from the region. Therefore, it cannot move toward the third cylinder of the clutch pedal device. Even in such a state, the hydraulic oil existing in the region surrounded by the casing and the end face of the other end of the second moving member passes through the first hole and the check valve, and the third of the clutch pedal device. It can move toward the cylinder.
  • the casing communicates with the second moving member and the outside, and is in a closed state and an open state. And a fluid supply hole in which a bleeder for shifting the state is disposed.
  • the bleeder shifts from the closed state to the open state, and fluid is supplied to the second moving member.
  • the fluid (air) can be intentionally supplied from the outside of the housing to the second moving member by setting the bleeder to the open state.
  • the casing extends from one end to the other end, and the first moving member is the first moving member. It is good to set it as the structure of moving to the direction which approaches the other end of the said housing
  • the first moving member can be moved from the first position to the second position by pushing the first moving member into the inside of the housing, while the first moving member is moved from the inside of the housing. The first moving member can be returned from the second position to the first position by the pulling shape.
  • the casing extends from one end to the other end, and the first moving member is the first moving member. It is good to set it as the structure which moves to the direction away from the other end of the said housing
  • the first moving member can be moved from the first position to the second position by pulling the first moving member from the inside of the housing, while the first moving member is moved to the inside of the housing. By pushing in, the first moving member can be returned from the second position to the first position.
  • an oil path switching device having improved performance can be provided.

Abstract

Le problème décrit par la présente invention est de fournir un dispositif de commutation de passage d'huile ayant une performance améliorée. La solution selon l'invention porte sur un dispositif de commutation de passage d'huile qui comprend: un boîtier cylindrique; un premier élément de déplacement contenu à l'intérieur du boîtier et prévu pour être mobile entre une première position et une seconde position; et un second élément de déplacement qui est contenu à l'intérieur du boîtier avec un premier élément élastique pris en sandwich entre le second élément de déplacement et le premier élément de déplacement, forme un premier passage d'huile en coopération avec le boîtier lorsque le premier élément de déplacement est disposé au niveau de la première position, le premier passage d'huile étant en communication avec un premier trou traversant et un second trou traversant, se déplace dans la direction vers le premier élément de déplacement lorsqu'il est pressé par de l'huile hydraulique fournie à travers un troisième trou traversant, pressant ainsi le premier élément élastique, et forme un second passage d'huile en coopération avec le boîtier lorsque le premier élément de déplacement est disposé au niveau de la seconde position, le second passage d'huile étant en communication avec le premier trou traversant et le troisième trou traversant.
PCT/JP2018/008889 2017-04-12 2018-03-08 Dispositif de commutation de passage d'huile WO2018190040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-079176 2017-04-12
JP2017079176A JP2018179134A (ja) 2017-04-12 2017-04-12 油路切替装置

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WO2018190040A1 true WO2018190040A1 (fr) 2018-10-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182353A (ja) * 1983-03-31 1984-10-17 Agency Of Ind Science & Technol 膜透過率測定装置
JPH0642554A (ja) * 1992-07-24 1994-02-15 Toyota Motor Corp クラッチレリーズシリンダ
JPH09112583A (ja) * 1995-10-19 1997-05-02 Isuzu Motors Ltd クラッチ断続装置
JP2004270724A (ja) * 2003-03-05 2004-09-30 Hino Motors Ltd クラッチコントロールシステム
US20100304927A1 (en) * 2009-05-29 2010-12-02 Gm Global Technology Operations, Inc. Dual gain clutch control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182353A (ja) * 1983-03-31 1984-10-17 Agency Of Ind Science & Technol 膜透過率測定装置
JPH0642554A (ja) * 1992-07-24 1994-02-15 Toyota Motor Corp クラッチレリーズシリンダ
JPH09112583A (ja) * 1995-10-19 1997-05-02 Isuzu Motors Ltd クラッチ断続装置
JP2004270724A (ja) * 2003-03-05 2004-09-30 Hino Motors Ltd クラッチコントロールシステム
US20100304927A1 (en) * 2009-05-29 2010-12-02 Gm Global Technology Operations, Inc. Dual gain clutch control system

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