WO2014097946A1 - アクチュエータ - Google Patents
アクチュエータ Download PDFInfo
- Publication number
- WO2014097946A1 WO2014097946A1 PCT/JP2013/083248 JP2013083248W WO2014097946A1 WO 2014097946 A1 WO2014097946 A1 WO 2014097946A1 JP 2013083248 W JP2013083248 W JP 2013083248W WO 2014097946 A1 WO2014097946 A1 WO 2014097946A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cam
- gear
- housing
- holder
- actuator
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/30—Preventing theft during charging
- B60L2270/32—Preventing theft during charging of electricity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/30—Preventing theft during charging
- B60L2270/34—Preventing theft during charging of parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20636—Detents
- Y10T74/20654—Gear
Definitions
- the present invention relates to an actuator.
- the storage battery When charging a storage battery mounted on a vehicle such as an electric vehicle or a hybrid vehicle, the storage battery is powered by attaching the charging connector of the charging cable to the power receiving connector provided on the vehicle body.
- a lock mechanism for preventing the charging connector from being detached from the power receiving connector a hook provided on the charging connector so as to be tiltable, an engagement protrusion provided on the power receiving connector, and an actuator provided around the power receiving connector;
- the actuator has a resin housing in which a drive mechanism is accommodated.
- the lock pin protruding from the housing can be moved back and forth with respect to the housing.
- the housing is attached to the inner surface of the wall portion of the charging port of the vehicle body.
- the lock pin protrudes outward through the insertion hole in the wall portion of the charging port.
- the conventional actuator described above a plurality of drive parts for moving the lock pin in the front-rear direction are accommodated in the housing.
- the distance between the drive parts is set large, so that there is a problem that the housing becomes large.
- An object of the present invention is to solve the above-described problems, to provide an actuator that can reduce the installation space of the drive components in the housing and can reduce the size of the housing.
- the present invention is an actuator having a hollow housing and a pin protruding from the outer surface of the housing, and a drive mechanism for moving the pin forward and backward is housed in the housing.
- the drive mechanism includes a holder for holding the pin, a cam member having a cam gear provided with a cam, a motor, a first gear to which a driving force is transmitted from the motor, and a second gear coupled to the cam gear. And a drive transmission member formed coaxially.
- the cam protrudes from one surface of the cam gear, is eccentric with respect to the rotation center of the cam gear, and reciprocates around the rotation center of the cam gear within a range of less than one rotation.
- the holder is configured to be pushed out in the advancing and retracting direction of the pin.
- a space on one surface side of the cam gear is provided with a region into which a part of the first gear enters and a moving region of the cam.
- the cam since the cam does not rotate once around the rotation center of the cam gear, the cam moving area formed in the space on the one surface side of the cam gear becomes small. Thereby, the first gear can be brought close to the rotation center of the cam gear in the space on the one surface side of the cam gear. Therefore, since the installation space of the cam member and the drive transmission member can be reduced, the housing can be reduced in size.
- the housing can be downsized and the outer diameter of the cam gear can be reduced, so that the material cost can be reduced.
- the holder is formed with a cam housing frame in which the cam is housed, and the cam is pressed against the inner surface of the cam housing frame so that the holder is pushed out in the advancing and retracting direction of the pin. It is configured.
- the holder is formed with a recess that is recessed toward the inside of the cam housing frame. The recess is disposed between the first gear and the cam in a space on one surface side of the cam gear.
- the first gear can be brought close to the rotation center of the cam gear without causing the first gear to interfere with the cam housing frame. Further, since the cam housing frame can be formed endlessly, the strength of the cam housing frame can be sufficiently ensured.
- the virtual movement region of the cam and the first gear interfere with each other when it is assumed that the cam rotates once around the rotation center of the cam gear.
- the first gear can be brought closer to the rotation center of the cam gear by disposing a part of the first gear in a region where the cam does not actually move in the virtual moving region of the cam.
- the state where the virtual movement area of the cam interferes with the first gear includes a state where the outer peripheral edge portion of the virtual movement area of the cam and the outer peripheral edge portion of the first gear are in contact with each other.
- the housing can be reduced in size. Furthermore, since the housing can be downsized and the outer diameter of the cam gear can be reduced, the material cost can be reduced.
- the actuator 10 of the present embodiment constitutes a lock mechanism 5 that is installed in a charging port 2 a of a vehicle 1 such as an electric vehicle or a hybrid vehicle.
- the lock mechanism 5 prevents the charging connector 4 from being detached from the power receiving connector 3 when charging a storage battery (not shown) mounted on the vehicle 1.
- FIG. 1 shows a state in which the actuator 10 of the present embodiment is mounted on a vehicle. As shown in FIG. 1, the actuator 10 of the present embodiment is tilted downward about 30 degrees with respect to the horizontal plane. It is attached to the vehicle in the
- the charging port 2a of the vehicle body 2 is a space in which the leading end of the power receiving connector 3 is accommodated.
- the power receiving connector 3 is inserted through the opening of the wall 2b of the charging port 2a, and the tip of the power receiving connector 3 projects into the charging port 2a.
- the power receiving connector 3 is electrically connected to a storage battery (not shown) via a cable (not shown).
- the power receiving connector 3 is inclined about 30 degrees with respect to the horizontal plane so that the power receiving connector 3 is lowered from the front end side toward the vehicle inner side.
- the charging cable 4a is provided in a charging device (not shown) such as a charging station.
- a charging connector 4 is provided at the tip of the charging cable 4a. By attaching the charging connector 4 to the power receiving connector 3, power can be supplied from the charging device to the storage battery (not shown) through the charging cable 4a.
- the lock mechanism 5 includes a hook 4 b provided at the front end of the charging connector 4, an engagement protrusion 3 b formed at the front end of the power receiving connector 3, and an actuator 10 provided above the power receiving connector 3.
- the hook 4b can tilt up and down.
- the hook 4b in contact with the engaging protrusion 3b tilts upward.
- the hook 4b gets over the engaging protrusion 3b, the hook 4b tilts downward, and the hook 4b and the engaging protrusion 3b are engaged.
- the hook 4 b is hooked on the engaging protrusion 3 b, so that the charging connector 4 cannot be pulled out from the power receiving connector 3.
- the actuator 10 regulates the tilt of the hook 4b in a state where the hook 4b is engaged with the engagement protrusion 3b.
- the actuator 10 includes a housing 20 in which the drive mechanism 100 (see FIG. 3) is accommodated, and a lock pin 50 protruding from the front surface of the housing 20.
- the housing 20 is arranged on the vehicle interior side of the wall 2b of the charging port 2a.
- the lock pin 50 is movable back and forth in the front-rear direction with respect to the housing 20, and protrudes into the charging port 2a through an insertion hole formed in the wall 2b.
- the housing 20 is a resin box, and the lock pin 50 protrudes from a hole 36c formed in the front surface 34a.
- the housing 20 includes a housing lower 30 in which the internal space is the accommodation space 31, and a housing upper 40 that closes the opening 32 of the housing lower 30.
- a housing space 31 is formed in the housing 20 by combining the housing lower 30 and the housing upper 40.
- the housing lower 30 is a box-shaped member having an opening 32 formed on the upper surface.
- the housing lower 30 includes a flat bottom portion 33 and a peripheral wall portion 34 erected on the outer peripheral edge portion of the bottom portion 33.
- the peripheral wall portion 34 is a frame surrounding the accommodation space 31 and is formed in a substantially rectangular shape in plan view.
- the bottom 33 is formed in a substantially square shape in plan view (see FIG. 4).
- a male connector 35 protrudes downward from the right rear portion of the bottom 33.
- the male connector 35 is fitted with a female connector (not shown) for supplying power to the drive mechanism.
- the female connector is electrically connected to a control device (not shown) mounted on the vehicle 1 (see FIG. 1).
- a mounting portion 36a that is attached to the inner surface of the wall portion 2b (see FIG. 1) of the charging port 2a is projected.
- a hole 36c through which the lock pin 50 is inserted passes through an intermediate portion in the left-right direction of the mounting portion 36a.
- two left and right housing support portions 36b attached to the power receiving connector 3 (see FIG. 1) are formed.
- the opening edge portion 37 of the housing lower 30 protrudes outwardly from the outer surface of the peripheral wall portion 34 in a flange shape.
- a seal groove 37a into which an endless seal member (not shown) is fitted is formed on the upper surface of the opening edge 37 (see FIG. 4).
- the housing upper 40 is a flat lid member for closing the opening 32 of the housing lower 30.
- the outer peripheral shape of the housing upper 40 is formed in the same shape as the outer peripheral shape of the opening edge portion 37 of the housing lower 30.
- the outer peripheral edge of the housing upper 40 is engaged with the opening edge 37 of the housing lower 30 and is bonded to the opening edge 37 with an adhesive such as hot melt. Further, the space between the housing lower 30 and the housing upper 40 is liquid-tightly sealed by a seal member (not shown) provided at the opening edge 37 of the housing lower 30.
- the lock pin 50 is a shaft member having a circular cross section, and the axial direction is arranged in the front-rear direction.
- the front end portion of the lock pin 50 is formed in a hemispherical surface.
- the rear portion of the lock pin 50 is accommodated in the accommodating space 31 of the housing lower 30, and the front portion of the lock pin 50 protrudes outward from a hole portion 36 c formed in the front surface 34 a of the peripheral wall portion 34. ing.
- a drive mechanism 100 that moves the lock pin 50 forward and backward is housed in the housing space 31 of the housing lower 30.
- the drive mechanism 100 includes a holder 60 that holds the lock pin 50, a cam member 70 having a cam gear 72 on which a cam 73 projects, an electric motor 80, an output shaft 81 of the electric motor 80, and the cam gear 72. And an intervening drive transmission member 90.
- the drive mechanism 100 includes a switch 210 that detects the position of the lock pin 50 and a substrate 200 to which the electric motor 80 and the switch 210 are electrically connected.
- the cam member 70 is a member for moving the holder 60 in the front-rear direction.
- the cam member 70 includes a rotation shaft 71 whose axial direction is arranged in the vertical direction, a cam gear 72 that is a spur gear having the rotation shaft 71 as a central axis, and a cam 73 that projects from the lower surface of the cam gear 72. ing.
- the cam 73 is eccentric with respect to the rotation center of the cam gear 72.
- the cam member 70 is disposed at the center of the accommodation space 31 as shown in FIG.
- the lower part of the rotating shaft 71 is inserted into a cam housing frame 62 described later.
- a lower end portion of the rotation shaft 71 is rotatably supported on the bottom surface 33 a of the housing lower 30.
- the upper end portion of the rotating shaft 71 protrudes to the outside through a through hole of the housing upper 40 (see FIG. 3).
- the tooth surface is formed in the substantially left half of FIG.
- the cam gear 72 is formed with a rod 74 protruding outward in the radial direction (see FIG. 3).
- the rod 74 is a part that pushes in a detecting portion of the switch 210 (see FIG. 3) on the advancing side described later.
- the cam 73 is a part that pushes out a holder 60 described later in the front-rear direction (see FIG. 5), and protrudes from the lower surface of the cam gear 72 (see FIG. 3).
- the cam 73 is formed in a substantially triangular outer peripheral shape in plan view. As shown in FIG. 6, among the three corners of the cam 73, the vicinity of one corner is disposed on the rotation center 72 a of the cam gear 72. That is, the rotation center 72 a of the cam gear 72 is arranged in the vicinity of one corner of the cam 73 with respect to the center position 73 a of the cam 73. Thus, the center position 73a of the cam 73 is eccentric to the right side with respect to the rotation center 72a.
- the rotation angle of the cam gear 72 is set so that the cam 73 reciprocates around the rotation center 72a of the cam gear 72 within a range of less than one rotation.
- the cam 73 reciprocates around the rotation center 72a of the cam gear 72 in a range of about 1/3 rotation (about 128 degrees).
- the center position 73a of the cam 73 is always arranged in a region on the right side of the rotational center 72a of the cam gear 72 (region on the right side of the axis of the lock pin 50). Accordingly, the movement region S2 of the cam 73 has a substantially semicircular shape in which the protruding amount to the right side with respect to the rotation center 72a of the cam gear 72 is larger than the protruding amount to the left side.
- the electric motor 80 has a motor housing 82 disposed at the left front portion of the accommodation space 31.
- An output shaft 81 protrudes rearward from the motor housing 82.
- a cylindrical screw gear 81 a is fitted on the output shaft 81.
- the drive transmission member 90 transmits the driving force of the electric motor 80 to the cam gear 72.
- the drive transmission member 90 includes a rotary shaft 91 whose axial direction is arranged in the vertical direction, a lower gear 92 that is a helical gear with the rotary shaft 91 as a central axis, and a rotary shaft 91.
- an upper gear 93 that is a spur gear serving as a central axis.
- the upper gear 93 has a smaller diameter than the lower gear 92.
- the lower gear 92 is a “first gear” in the claims
- the upper gear 93 is a “second gear” in the claims.
- the drive transmission member 90 is disposed between the screw gear 81 a and the holder 60 behind the motor housing 82 in the accommodation space 31.
- a lower end portion of the rotation shaft 91 is rotatably supported on the bottom surface 33 a of the housing lower 30.
- the upper end portion of the rotating shaft 91 is rotatably supported by the housing upper 40 (see FIG. 3).
- the tooth surface of the lower gear 92 is connected to the tooth surface of the screw gear 81a of the electric motor 80 from above.
- the tooth surface of the upper gear 93 is connected to the tooth surface of the cam gear 72.
- the right front part of the lower gear 92 enters the space S ⁇ b> 1 on the lower surface side of the cam gear 72.
- a space S ⁇ b> 1 on the lower surface side of the cam gear 72 is provided with a region S ⁇ b> 3 into which a part of the lower gear 92 enters and a moving region S ⁇ b> 2 of the cam 73.
- the amount of protrusion to the left side is smaller than the rotation center 72a of the cam gear 72 (the axis of the lock pin 50).
- the virtual movement region S ⁇ b> 2 ′ when the cam 73 is assumed to make one rotation around the rotation center 72 a of the cam gear 72 interferes with the lower gear 92.
- the outer peripheral edge of the virtual movement area S ⁇ b> 2 ′ is in contact with the outer peripheral edge of the lower gear 92.
- the holder 60 is disposed in the middle portion in the left-right direction in the accommodation space 31.
- the holder 60 has front, rear, left and right side surfaces and upper and lower surfaces.
- An opening 60 a that opens up and down and a cam housing frame 62 are formed at the rear of the holder 60.
- a recess 63 is formed in the left rear part of the holder 60.
- a rod 64 protruding rightward is formed at the front portion of the right side surface of the holder 60.
- the rod 64 is a part that pushes in a detecting portion of a retreat-side switch 210 (see FIG. 3) described later.
- the left and right guide rails 33b extending in the front-rear direction are provided on the bottom surface 33a of the housing lower 30.
- the holder 60 is mounted on both guide rails 33b and is movable in the front-rear direction along the both guide rails 33b.
- an elastic member 51 is interposed between the front end surface of the holder 60 and the inner surface of the peripheral wall portion 34.
- the elastic member 51 is a coil spring, and the lock pin 50 is inserted therethrough.
- the elastic member 51 is not limited to a coil spring, and various elastic members such as rubber and a disc spring can be used.
- the cam housing frame 62 is an endless frame constituting the peripheral wall of the opening 60 a formed at the rear portion of the holder 60.
- a lower portion of the rotating shaft 71 of the cam member 70 is inserted into the cam housing frame 62, and a cam 73 protruding from the lower surface of the cam gear 72 is inserted from above.
- the front and rear inner surfaces of the cam housing frame 62 are cam receiving surfaces with which the cam surface of the cam 73 abuts.
- FIG. 7 shows the rotation trajectory of the cam 73 in the cam housing frame 62 for each 1 ⁇ 4 angle of the entire rotation angle.
- the rotation locus of the cam 73 is disposed in the cam housing frame 62.
- the cam housing frame 62 has a rotation center 72a (locked) of the cam gear 72. It is arranged on the right side with respect to the axis of the pin 50).
- the recess 63 is formed in a region that is outside the rotation region of the cam 73 in the cam housing frame 62.
- the recess 63 is disposed between the lower gear 92 and the cam 73 in the space S ⁇ b> 1 on the lower surface side of the cam gear 72.
- the reference symbol L1 shown in FIG. 6 indicates a virtual position when the right portion of the cam housing frame 62 is symmetric with respect to the left side about the axis of the lock pin 50 in the state where the holder 60 is moved most rearward.
- Outline L1 As described above, when the cam housing frame 62 is formed symmetrically with respect to the axis of the lock pin 50, the cam housing frame 62 interferes with the lower gear 92. However, in the present embodiment, the concave portion 63 is formed in the left rear portion of the holder 60 so that the rear portion of the holder 60 does not contact the lower gear 92.
- the right front part of the lower gear 92 is configured to enter the recess 63 when the holder 60 is moved most rearward. Accordingly, the recess 63 has a width in the left-right direction that increases toward the rear so as to avoid the lower gear 92. As a result, an inclined portion 62 a that is inclined to the right as it goes rearward is formed on the left side of the cam housing frame 62.
- a holding hole 61 is opened at the center of the front end surface of the holder 60.
- the lock pin 50 can be inserted into the hole 36 c from the outside of the peripheral wall 34 to attach the lock pin 50 to the holder 60.
- the lock pin 50 and the holder 60 are assembled to the housing lower 30, only the holder 60 is accommodated in the housing lower 30, and thus the housing lower 30 can be reduced in size.
- the substrate 200 is formed to be wide in the left-right direction, and is disposed in front of the opening 32 of the housing lower 30.
- the board 200 controls the drive of the electric motor 80, and the switch 210, the electric motor 80, and the male connector 35 are electrically connected.
- the detection unit of the retreat-side switch 210 (see FIG. 3) is pushed by the rod 64 of the holder 60 when the holder 60 moves rearward, a detection signal is output from the retreat-side switch 210 to the control device, and output The rotation of the shaft 81 stops.
- the elastic force of the elastic member 51 acts on the holder 60 when the cam 73 rotates rearward.
- the holder 60 moves rearward as the cam 73 rotates while the front inner peripheral surface of the cam housing frame 62 is in contact with the cam 73.
- the holder 60 and the lock pin 50 are stabilized by maintaining the state in which the inner peripheral surface on the front side of the cam housing frame 62 is in contact with the cam 73. 50 can be accurately stopped at a predetermined retraction position.
- the lock pin 50 retreats with respect to the housing 20, and the front portion of the lock pin 50 retreats from above the hook 4 b of the charging connector 4. To do.
- the hook 4 b can be tilted, the hook 4 b can be detached from the engagement protrusion 3 b of the power receiving connector 3, and the charging connector 4 can be pulled out from the power receiving connector 3.
- an unlocking lever 42 attached to the upper end portion of the rotating shaft 71 of the cam member 70 is provided (see FIG. 2).
- the cam member 70 can be forcibly rotated manually and the lock pin 50 can be retracted.
- the cam 73 does not make one rotation around the rotation center of the cam gear 72, so the moving region S ⁇ b> 2 of the cam 73 formed in the space S ⁇ b> 1 on the lower surface side of the cam gear 72 is small.
- a part of the lower gear 92 is arranged in a region where the cam 73 does not actually move in the virtual movement region S2 ′ of the cam 73 when it is assumed that the cam 73 makes one rotation around the rotation center 72a of the cam gear 72. ing.
- the lower gear 92 can be brought close to the rotation center 72 a of the cam gear 72 in the space S ⁇ b> 1 on the lower surface side of the cam gear 72. Therefore, in the actuator 10 of the present embodiment, as shown in FIG. 4, since the installation space for the cam member 70 and the drive transmission member 90 can be reduced, the housing 20 (see FIG. 2) can be reduced in size. .
- the housing 20 can be downsized and the outer diameter of the cam gear 72 can be reduced, so that the material cost can be reduced.
- the holder 60 of the actuator 10 has a recess 63 formed in the cam housing frame 62.
- the lower gear 92 By arranging the lower gear 92 close to the recess 63, the lower gear 92 can be brought closer to the rotation center 72a (see FIG. 6) of the cam gear 72 without causing the lower gear 92 to interfere with the cam housing frame 62. . Further, since the cam housing frame 62 can be formed endlessly, the strength of the cam housing frame 62 can be sufficiently ensured.
- the cam housing frame 62 of the holder 60 is an endless frame, but the cam housing frame 62 has at least inner surfaces before and after the cam 73 abuts.
- the cam housing frame 62 may not be formed in an endless shape.
- the portion between the lower gear 92 and the cam 73 (the portion where the concave portion 63 is formed in FIG. 4) is separated and opened, the lower gear 92 of the cam gear 72 is It can be brought closer to the rotation center 72a.
- the actuator of the present invention is applied to the lock mechanism 5 for preventing the charging connector 4 from being detached from the power receiving connector 3. It can be applied to other actuators.
Abstract
Description
アクチュエータは、駆動機構が収容された樹脂製のハウジングを有している。このハウジングから突出したロックピンはハウジングに対して進退自在となっている。
ハウジングは、車体の充電口の壁部の内面に取り付けられている。また、ロックピンは充電口の壁部の挿通穴を通じて外側に突出している。
なお、カムの仮想移動領域と第一ギヤとが干渉した状態とは、カムの仮想移動領域の外周縁部と第一ギヤの外周縁部とが接触した状態を含んでいる。
本実施形態のアクチュエータ10は、図1に示すように、電気自動車やハイブリッド自動車等の車両1の充電口2aに装備されるロック機構5を構成するものである。ロック機構5は、車両1に搭載された蓄電池(図示せず)を充電するときに、受電コネクタ3から充電コネクタ4が外れるのを防ぐものである。
ハウジング20は、充電口2aの壁部2bの車内側に配置されている。ロックピン50は、ハウジング20に対して前後方向に進退自在であり、壁部2bに形成された挿通穴を通じて充電口2a内に突出している。
底部33は、平面視で略四角形に形成されている(図4参照)。底部33の右後部には、雄コネクタ35が下方に向けて突出している。雄コネクタ35には、駆動機構に電力を供給するための雌コネクタ(図示せず)が装着される。雌コネクタは、車両1(図1参照)に搭載された制御装置(図示せず)に電気的に接続される。
ハウジングロア30の下面には、受電コネクタ3(図1参照)に取り付けられる左右二つのハウジング支持部36bが形成されている。
ハウジングアッパー40の外周縁部は、ハウジングロア30の開口縁部37に係合されるとともに、ホットメルト等の接着材によって開口縁部37に接着される。
また、ハウジングロア30の開口縁部37に設けられたシール部材(図示せず)によって、ハウジングロア30とハウジングアッパー40との間が液密にシールされる。
図4に示すように、ロックピン50の後部は、ハウジングロア30の収容空間31に収容され、ロックピン50の前部は、周壁部34の前面34aに形成された穴部36cから外側に突出している。
駆動機構100は、ロックピン50を保持するホルダ60と、カム73が突設されたカムギヤ72を有するカム部材70と、電動モータ80と、電動モータ80の出力軸81とカムギヤ72との間に介設される駆動伝達部材90と、を備えている。さらに、駆動機構100は、ロックピン50の位置を検出するスイッチ210と、電動モータ80およびスイッチ210が電気的に接続されている基板200と、を備えている。
カム73は、平面視で略三角形の外周形状に形成されている。図6に示すように、カム73の三つの角部のうち、一つの角部近傍がカムギヤ72の回転中心72a上に配置されている。すなわち、カムギヤ72の回転中心72aは、カム73の中心位置73aに対してカム73の一つの角部近傍に偏って配置されている。このように、カム73の中心位置73aは回転中心72aに対して右側に偏心している。
カム73の中心位置73aは、カムギヤ72の回転位置に係わらず、常にカムギヤ72の回転中心72aよりも右側の領域(ロックピン50の軸線よりも右側の領域)に配置される。したがって、カム73の移動領域S2は、カムギヤ72の回転中心72aに対して右側への突出量が、左側への突出量よりも大きい略半円形状となる。
回転軸91の下端部は、ハウジングロア30の底面33aに回転自在に支持される。回転軸91の上端部は、ハウジングアッパー40(図3参照)に回転自在に支持される。
ホルダ60の右側面の前部には、右方に向けて突出したロッド64が形成されている。ロッド64は、後記する退行側のスイッチ210(図3参照)の検出部を押し込む部位である。
カム収容枠62内には、カム部材70の回転軸71の下部が挿通されるとともに、カムギヤ72の下面に突設されたカム73が上側から挿入される。カム収容枠62の前側および後側の内面は、カム73のカム面が当接するカム受け面となっている。
本実施形態では、図6に示すように、カム73の移動領域S2が、カムギヤ72の回転中心72aよりも右側への突出量が大きいため、カム収容枠62はカムギヤ72の回転中心72a(ロックピン50の軸線)に対して右寄りに配置されている。
凹部63は、図7に示すように、カム収容枠62内におけるカム73の回転領域の外側となる領域に形成されている。また、凹部63は、図6に示すように、カムギヤ72の下面側の空間S1において、下部ギヤ92とカム73との間に配置される。
図5に示すように、カムギヤ72を右回り(時計回り)に回転させると、カム73がカム収容枠62の前側の内周面に当接した状態で、カム73が前方に向けて回転移動し、カム73によってカム収容枠62の内周面が前方に押し出される。
これにより、ホルダ60が前方に移動し、ロックピン50が前方に進出して、ハウジング20に対するロックピン50の突出量が増加する。このとき、弾性部材51は、ホルダ60と周壁部34との間で収縮する。
なお、ホルダ60が前方に移動したときには、ホルダ60に弾性部材51の弾発力が作用し、カム収容枠62の前側の内周面がカム73に接触した状態が保たれる。これにより、ホルダ60およびロックピン50が安定するため、ロックピン50を所定の進出位置に精度良く停止させることができる。
本実施形態では、カム73が後方に向けて回転したときに、弾性部材51の弾発力がホルダ60に作用する。これにより、カム収容枠62の前側の内周面がカム73に当接した状態で、カム73の回転に伴ってホルダ60が後方に移動する。このように、ロックピン50を退行させるときに、カム収容枠62の前側の内周面がカム73に接触した状態が保たれることで、ホルダ60およびロックピン50が安定するため、ロックピン50を所定の退行位置に精度良く停止させることができる。
これにより、フック4bの傾動がロックピン50によって規制され、フック4bは受電コネクタ3の係合突起3bに係合した状態に固定されるため、受電コネクタ3から充電コネクタ4が外れるのを防ぐことができる。
そして、ロックピン50の進出が停止した後に、充電装置(図示せず)から蓄電池(図示せず)への充電が開始される。
これにより、フック4bが傾動可能となり、フック4bを受電コネクタ3の係合突起3bから離脱させて、受電コネクタ3から充電コネクタ4を引き抜くことができる。
したがって、本実施形態のアクチュエータ10では、図4に示すように、カム部材70および駆動伝達部材90の設置スペースを小さくすることができるため、ハウジング20(図2参照)を小型化することができる。
したがって、本実施形態のアクチュエータ10では、ハウジング20(図2参照)を小型化するとともに、カムギヤ72の外径を小さくすることができるため、材料コストを低減することができる。
本実施形態では、図4に示すように、ホルダ60のカム収容枠62が無端状の枠となっているが、カム収容枠62は、カム73が当接する前後の内面が少なくとも形成されていればよく、カム収容枠62が無端状に形成されていなくてもよい。
例えば、カム収容枠62において、下部ギヤ92とカム73との間となる部位(図4において凹部63が形成されている部位)を切り離して開口させた場合には、下部ギヤ92をカムギヤ72の回転中心72aにより近づけることができる。
2a 充電口
3 受電コネクタ
3b 係合突起
4 充電コネクタ
4b フック
5 ロック機構
10 アクチュエータ
20 ハウジング
30 ハウジングロア
31 収容空間
34 周壁部
40 ハウジングアッパー
50 ロックピン
60 ホルダ
60a 開口部
61 保持穴
62 カム収容枠
63 凹部
70 カム部材
72 カムギヤ
73 カム
80 電動モータ
90 駆動伝達部材
92 下部ギヤ(第一ギヤ)
93 上部ギヤ(第二ギヤ)
100 駆動機構
S1 カムギヤの下面側の空間
S2 カムの移動領域
S3 下部ギヤの一部が入り込む領域
Claims (3)
- 中空なハウジングと、前記ハウジングの外面から突出したピンと、を有し、前記ハウジング内には、前記ピンを進退させる駆動機構が収容されているアクチュエータであって、
前記駆動機構は、
前記ピンを保持するホルダと、
カムが設けられたカムギヤを有するカム部材と、
モータと、
前記モータから駆動力が伝達される第一ギヤおよび前記カムギヤに連結される第二ギヤが同軸に形成された駆動伝達部材と、を備え、
前記カムは、前記カムギヤの一面に突設され、前記カムギヤの回転中心に対して偏心しており、
前記カムが前記カムギヤの回転中心回りに一回転未満の範囲で往復動することで、前記カムによって前記ホルダが前記ピンの進退方向に押し出されるように構成され、
前記カムギヤの一面側の空間には、前記第一ギヤの一部が入り込む領域と、前記カムの移動領域とが設けられていることを特徴とするアクチュエータ。 - 前記ホルダには、前記カムが収容されるカム収容枠が形成され、
前記カムが前記カム収容枠の内面を押圧することで、前記ホルダが前記ピンの進退方向に押し出されるように構成されており、
前記ホルダには、前記カム収容枠の内側に向けて窪んだ凹部が形成され、
前記凹部は、前記カムギヤの一面側の空間において、前記第一ギヤと前記カムとの間に配置されることを特徴とする請求の範囲第1項に記載のアクチュエータ。 - 前記カムが前記カムギヤの回転中心回りに一回転すると仮定した場合の前記カムの仮想移動領域と、前記第一ギヤとが干渉することを特徴とする請求の範囲第1項または請求の範囲第2項に記載のアクチュエータ。
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DE112013006082.5T DE112013006082T5 (de) | 2012-12-19 | 2013-12-11 | Stellglied |
CN201380006100.9A CN104067458B (zh) | 2012-12-19 | 2013-12-11 | 驱动器 |
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JP (1) | JP5953221B2 (ja) |
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RU2687961C1 (ru) * | 2015-09-10 | 2019-05-17 | Коннек Лимитед | Система электрического соединения для использования в областях применения с высокой мощностью |
US9595789B1 (en) * | 2016-02-10 | 2017-03-14 | I.D. Systems, Inc. | Connector locking mechanism having a sliding connection retention component |
US10259330B2 (en) * | 2016-03-24 | 2019-04-16 | Charge-Amps AB | Charger plug for electric vehicles |
JP6811129B2 (ja) | 2017-03-17 | 2021-01-13 | 株式会社村上開明堂 | アクチュエータの設置構造 |
JP6811128B2 (ja) * | 2017-03-17 | 2021-01-13 | 株式会社村上開明堂 | アクチュエータ |
JP6811126B2 (ja) | 2017-03-17 | 2021-01-13 | 株式会社村上開明堂 | アクチュエータ |
JP6827870B2 (ja) * | 2017-03-31 | 2021-02-10 | 株式会社村上開明堂 | 車両用電動格納式視認装置の電動格納ユニット |
DE102017215010B4 (de) | 2017-08-28 | 2022-03-24 | Te Connectivity Germany Gmbh | Steckdose mit einem in Steckrichtung beweglichen Verriegelungselement |
DE102017123210A1 (de) * | 2017-10-06 | 2019-04-11 | Kiekert Ag | Elektromotorischer Antrieb für kraftfahrzeugtechnische Anwendungen |
DE102017123211A1 (de) * | 2017-10-06 | 2019-04-11 | Kiekert Ag | Elektromotorischer Antrieb für kraftfahrzeugtechnische Anwendungen |
DE102017123208A1 (de) * | 2017-10-06 | 2019-04-11 | Kiekert Ag | Elektrische Anschlussvorrichtung für Elektro- oder Hybridkraftfahrzeuge |
CN111213289B (zh) | 2017-10-10 | 2021-04-27 | 株式会社村上开明堂 | 车辆插座用的端口锁定致动器装置 |
CN111213290B (zh) | 2017-10-10 | 2021-06-01 | 株式会社村上开明堂 | 车辆插座用的端口锁定致动器装置 |
DE112018004506T5 (de) | 2017-10-10 | 2020-06-10 | Murakami Corporation | Anschluss-Sperraktuatorvorrichtung für Fahrzeugeingangsanschluss |
DE102019127440A1 (de) * | 2019-10-11 | 2021-04-15 | Kiekert Aktiengesellschaft | Antriebsgehäuse für kraftfahrzeugtechnische Anwendungen |
JP7329413B2 (ja) * | 2019-10-24 | 2023-08-18 | 株式会社東海理化電機製作所 | ロック装置 |
KR20220039246A (ko) * | 2020-09-22 | 2022-03-29 | 현대자동차주식회사 | 차량용 충전 인렛 조립체 |
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DE112013006082T5 (de) | 2015-09-03 |
CN104067458B (zh) | 2017-03-22 |
CN104067458A (zh) | 2014-09-24 |
US9457675B2 (en) | 2016-10-04 |
JP5953221B2 (ja) | 2016-07-20 |
US20150343913A1 (en) | 2015-12-03 |
JP2014120421A (ja) | 2014-06-30 |
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