WO2014147758A1 - 車両側コネクタ - Google Patents
車両側コネクタ Download PDFInfo
- Publication number
- WO2014147758A1 WO2014147758A1 PCT/JP2013/057876 JP2013057876W WO2014147758A1 WO 2014147758 A1 WO2014147758 A1 WO 2014147758A1 JP 2013057876 W JP2013057876 W JP 2013057876W WO 2014147758 A1 WO2014147758 A1 WO 2014147758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- vehicle
- housing
- connection portion
- fitting
- Prior art date
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Classifications
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4367—Insertion of locking piece from the rear
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/86—Parallel contacts arranged about a common axis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
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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
-
- 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
-
- 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
Definitions
- the present invention relates to a vehicle side connector which is fitted with a charging connector during charging.
- a round pin terminal connected to the end of the wire drawn from the battery side is formed by aligning a plurality of terminal storage chambers in a housing attached so as to face a feed port opened in the body. It is a structure that is inserted from the rear into the corresponding terminal storage chamber and stored, and the battery connector is charged by fitting the charging connector connected to the power supply to the vehicle-side connector. ing.
- the present invention is a vehicle side connector fitted with a charging connector to charge a battery mounted on a vehicle, wherein the charging connector is provided on the vehicle so as to be able to be fitted from the front, and the battery
- a terminal fitting respectively connected to a plurality of electric wires drawn out from inside the vehicle, and a plurality of terminal receiving chambers provided in the housing and in which the terminal fittings are inserted from the rear and received;
- the terminal fitting has a terminal connection portion connected to the charging terminal provided on the charging connector at one end side and a wire connection portion crimped to the end of the electric wire at the other end side so as to be bent.
- the terminal connection portion of the terminal fitting is characterized in that the terminal connection portion of the terminal fitting is retained and accommodated in the terminal accommodation chamber.
- the terminal fitting Since the terminal fitting is formed to be bent, the wire itself can be wired in a direction perpendicular to the terminal accommodating chamber without bending, and as a result, space saving of the rear surface of the housing can be achieved.
- the terminal fitting is a round pin terminal and the wire connection portion can be rotated about the axis in the terminal accommodating chamber, various withdrawal directions can be obtained when the wire is drawn in the radial direction on the rear surface of the housing. Can be easily coped with.
- a seal ring in close contact with the inlet of the terminal accommodating chamber is mounted on the proximal end side of the terminal connection portion in the terminal fitting.
- the terminal accommodating chamber can be waterproofed from the outside while allowing the terminal fitting to rotate around the axial center of the terminal connection portion.
- An insulating cylindrical portion made of synthetic resin is provided on the outer periphery of the bent portion of the terminal fitting. In the case where the terminal fittings are disposed in a dense form, for example, adjacent terminal fittings can be reliably insulated by contact between the insulating cylindrical portions.
- a locking groove is formed in a base end portion of the terminal connection portion in the terminal fitting, and the retainer is inserted in a radial direction with respect to the locking groove of the terminal connection portion.
- one end surface of the insulating cylinder portion constitutes one groove surface of the engaged groove.
- the groove surface of the locking groove can be formed to be flat and secure mounting of the retainer can be ensured.
- FIG. 3 A perspective view of a vehicle-side power terminal connected to the end of a wire Same side view Same vertical section Side view of primary molded terminal of power terminal Side view of the primary molded terminal in a bent state Power terminal side view Side view of the ground terminal on the vehicle side Side view of the signal terminal on the vehicle side Rear view of the housing body Perspective view of the retainer Same back view Same side view
- FIG. 1 a vehicle-side connector 10 which is fitted with the other charging connector 1 to charge a battery mounted in the vehicle is illustrated.
- the female housing 3 is connected to the male housing 30 of the vehicle-side connector 10, and the female housing 3 has a small hood.
- five terminal accommodating cylinders 5 independent of one another are provided in a form projecting from the back wall.
- the power terminal on the female side is in the upper two terminal housing cylinders 5P
- the ground terminal on the female side is in the central terminal housing cylinder 5G on the lower side
- the female terminal is on the terminal housing cylinders 5S at both ends on the lower side. Signal terminals are respectively accommodated.
- the vehicle-side connector 10 is configured to include five vehicle-side terminals 11, a male housing 30, a retainer 50, a grommet 70 and the like as illustrated.
- the vehicle side connector 10 is fixed to a body or the like so as to face a feed port provided in the body or the like of the vehicle, and the female housing 3 of the charging connector 1 described above is engaged with the male housing 30 from the front It is possible.
- the vehicle side terminal 11 is composed of two male power terminals 11P, one male ground terminal 11G, and two male signal terminals 11S.
- vehicle-side terminal 11 is used to describe the five vehicle-side terminals in common, and power terminals 11P, ground terminals 11G, and signal terminals 11S are separately described. Do.
- Each vehicle-side terminal 11 is basically formed of a round pin terminal 12 having an L shape.
- the power terminal 11P will be described as a representative.
- a terminal connection portion 13 connected to the other power terminal is directly extended on one end side, and the electric wire 20P is connected to the other end.
- the cylindrical electric wire connection part 14 which crimps the core wire 21 of this is formed.
- a mounting hole 15 into which the protective cap 27 is fitted is opened in the front end surface of the terminal connection portion 13.
- a diameter-expanded stopper portion 16P (16) is formed over a predetermined length, and the seal ring 28 is fitted on the outer peripheral surface of the stopper portion 16P.
- a groove 17 is provided circumferentially.
- the power terminal 11P is fixed at a predetermined position in the longitudinal direction as shown in FIG. 10 with respect to a linear primary molded terminal 12X (FIG. 9) formed by cold-forming a metal round bar as a base material a plurality of times. It is formed as a round pin terminal 12 which makes an L shape by putting the tool J and bending at right angles.
- the insulating cylindrical portion 24 made of synthetic resin is formed by molding with respect to the bent portion 18 of the round pin terminal 12.
- One end surface 25 of the insulating cylindrical portion 24 is formed at a position spaced apart from the rear surface of the stopper portion 16P by a predetermined distance, and a engagement portion 56 of a retainer 50 described later is fitted between the opposing surfaces. Stop groove 26P (26) is formed. Note that the other end surface of the insulating cylindrical portion 24 reaches the side slightly above (upper side) of the wire connection portion 14.
- the power terminal 11P is connected to the end of the large diameter wire 20P (thick wire 20P), and as shown in FIG. 8, the end of the core wire 21 exposed by peeling the end of the large wire 20P is wire connected Insert in the part 14 and crimp it.
- the heat-shrinkable tube 29 is attached from the lower end of the insulating cylindrical portion 24 to the lower end of the wire connection portion 14 of the large electric wire 20P and the water is shut off.
- the heat-shrinkable tube 29 before being thermally shrunk is shown by a chain line in FIG.
- the seal ring 28 is fitted into the fitting groove 17 of the stopper portion 16P, and the protective cap 27 is attached to the attachment hole 15 of the tip end face of the terminal connection portion 13, whereby L at the end of the thick wire 20P.
- the power terminal 11P in the shape of a letter is connected.
- the ground terminal 11G and the signal terminal 11S will be described.
- the parts having the same functions as those of the power terminal 11P described above are given the same reference numerals, and in the case where it is necessary to distinguish in particular, Do.
- the ground terminal 11G has the same shape as the power terminal 11P except that the front surface of the stopper portion 16G is positioned rearward relative to the above-described power terminal 11P.
- the L-shaped ground terminal 11G is connected to the end of the thick electric wire 20P.
- the three thick wires 20P are combined into one as a collective-type shielded wire Wa (cab tire cable).
- the signal terminal 11S is smaller in diameter as a whole than the power terminal 11P, the terminal connecting portion 13 is short, and the protective cap 27 is not attached.
- the terminal of the small diameter wire 20S (thin wire 20S: see FIG. 5) is connected to the signal terminal 11S by crimping the wire connection portion 14.
- the male housing 30 is made of synthetic resin and, as shown in FIG. 5, is composed of two pieces of a housing main body 31 and a sub housing 37.
- the housing main body 31 has a cylindrical terminal accommodating portion 33 projectingly formed on the front face of the substantially square substrate 32 (see FIG. 14).
- a large hood portion 33A is formed in which the small hood portion 4 of the female housing 3 in the charging connector 1 is fitted inside.
- the fitting cylindrical portion 34 is formed around the rear surface of the terminal accommodating portion 33, and the rear end side of the lower surface of the fitting cylindrical portion 34 is released.
- the recess 34A is cut out.
- a disk-shaped sub housing 37 is watertightly fitted via a seal ring 38 fitted on the circumferential surface.
- the five terminal housing chambers 40 opened at the front and back are front surfaces of the terminal housing cylinder 5 of the other charging connector 1 respectively. It is formed in the arrangement
- Each of the terminal accommodating chambers 40P, 40G, 40S has a diameter to which the stopper portion 16 of the corresponding vehicle side terminal 11 (power terminal 11P, ground terminal 11G, signal terminal 11S) can be fitted. Further, a stopper wall 42 is formed at an intermediate position in the length direction of the terminal accommodating chamber 40 to contact the front of the stopper portion 16 of the corresponding vehicle side terminal 11, and each stopper wall 42 corresponds to the corresponding vehicle side terminal An insertion hole 43 through which the terminal connection portion 13 of 11 is inserted is opened.
- each vehicle side terminal 11 (11P, 11G, 11S) is inserted from the rear into the terminal accommodating chamber 40 (40P, 40G, 40S) to which the terminal connection portion 13 corresponds, and is pushed while penetrating the insertion hole 43 from the middle
- the terminal connection portion 13 of each vehicle-side terminal 11 protrudes to the front of the stopper wall 42, and the seal ring 28 fitted to the stopper portion 16 is at the inlets 41P, 41G, 41S of the terminal accommodation chambers 40P, 40G, 40S. It is designed to be tightly fitted.
- the locking groove 26 of each vehicle-side terminal 11 is disposed at a position projecting rearward from the rear surface of the sub housing 37.
- a retainer 50 is provided to hold the corresponding vehicle side terminals 11 in the respective terminal accommodation chambers 40 in a state of being detached and accommodated.
- the retainer 50 is made of synthetic resin, and includes a cylindrical retainer main body 51 having a front plate 52, as shown in FIGS. 15 to 17.
- the retainer main body 51 is provided on the housing main body 31. It can be fitted on the rear surface side of the sub housing 37 in the fitting cylindrical portion 34.
- a relief concave portion 54 is cut out and formed over a range of about 1 ⁇ 4 circle.
- each locking groove 55 capable of inserting the locking grooves 26 formed in each vehicle side terminal 11 in the radial direction are respectively opened at the peripheral edge The incision is formed.
- the back end of each locking groove 55 is arranged concentric with the five terminal accommodating chambers 40 respectively.
- the locking groove 26P of the power terminal 11P can be inserted tightly through the two locking grooves 55P opened at the upper edge.
- a relief groove 57 is formed on the upper surface of the peripheral wall 53 of the retainer main body 51 so as to extend rearward from the upper edge of each locking groove 55P.
- each locking groove 55P the locked groove 26P of the power terminal 11P fits tightly, so the peripheral edge (lower edge and both side edges) of the lower end of the locking groove 55P is the same as that of the locked groove 26P.
- the locking portion 56P is configured to lock to the side surface.
- the locking groove 26G of the ground terminal 11G can be inserted tightly through the central locking groove 55G among the three locking grooves 55 opened at the lower edge.
- the engagement groove 26G of the ground terminal 11G fits tightly on the upper end portion of the engagement groove 55G, so the peripheral edge (upper edge and both side edges) of the upper end portion of the engagement groove 55G is the same as that of the engagement groove 26G.
- the locking portion 56G is locked to the groove surface.
- the locking groove 26S of the signal terminal 11S can be inserted tightly through the two locking grooves 55S at both ends. At the upper end of each locking groove 55S, the locked groove 26S of the signal terminal 11S fits tightly, so the peripheral edge (upper edge and both side edges) of the upper end of the locking groove 55S is the locked groove 26S.
- the locking portion 56S is locked to the groove surface.
- the left and right two lock frames 58 capable of sliding contact with the outer peripheral surface of the fitting cylindrical portion 34 described above are folded forward from the rear edge of the peripheral wall 53 on the outer peripheral portion of the peripheral wall 53 of the retainer main body 51 It is provided to be elastically displaceable. Further, at a position between the lock frames 58, a holding plate 59 capable of holding the fitting cylinder portion 34 between the peripheral wall 53 and the peripheral wall 53 is similarly formed in a form bent back from the rear edge of the peripheral wall 53. . On the other hand, as shown in FIG. 14, lock projections 35 are formed on the outer peripheral surface of the fitting cylinder 34 at four positions corresponding to the lock frames 58.
- the retainer 50 is pushed from the rear while inserting the fitting cylindrical portion 34 between the peripheral wall 53 of the retainer main body 51, the lock frame 58 and the holding plate 59, and the lock frame 58 corresponds to the corresponding lock projection 35
- the tip of the fitting cylindrical portion 34 is pushed to the normal position where the distal end of the fitting cylindrical portion 34 reaches the back end of the lock frame 58 and the holding plate 59 as shown in FIG.
- the lock projection 35 it is mounted in a form in which it is prevented from coming off rearward.
- a wire holding portion 60 having a substantially semi-cylindrical shape is formed to hang down from the position of the relief recess 54.
- the mounting portion 62 is formed so as to project outward on the square of the substrate 32 in the housing main body 31, and each mounting portion 62 is provided with a metal collar 63 in which a bolt hole 64 is cut by insert molding .
- the grommet 70 is made of rubber and has a structure in which a bellows-like electric wire insertion portion 72 for inserting the electric wire 20P group is connected to the lower end of the cover portion 71 which covers around the retainer 50 from behind.
- a front cover 75 is detachably mounted on the front surface of the male housing 30.
- each vehicle side terminal 11 protrudes downward through the relief recess 54 formed on the lower surface of the peripheral wall 53 of the retainer main body 51, and the wires 20P and 20S connected to each wire connection portion 14 are Wiring is performed along the front and back surfaces of the wire holding portion 60.
- the temperature sensor 81 is retained in the sensor storage chamber 80 provided on the back surface of the front plate 52 of the retainer 50, and the lead wire 82 drawn from the temperature sensor 81 is also stored. Similarly, it is wired along the wire holding portion 60. It is preferable that the wires 20P, 20S, 82 wired along the wire holding portions 60 be tape-wound and fixed.
- the terminal connection portion 13 of each vehicle-side terminal 11 protruding to the front surface of the retainer 50 is inserted from the rear into the entrance 41 of the terminal accommodating chamber 40 formed in the sub housing 37, and the front plate 52 of the retainer main body 51
- the seal ring 28 fitted to the stopper portion 16 of each vehicle side terminal 11 is tightly fitted to the inlet 41 of the corresponding terminal storage chamber 40, and the friction thereof
- the sub housing 37 and the retainer 50 are integrally assembled in advance to the end of each of the electric wires 20P and 20S (vehicle side terminals 11) in a form (subassembly 85).
- the sub-assembly 85 receives the terminal connection portion 13 of each vehicle-side terminal 11 (11 P, 11 G, 11 S) and the corresponding terminal housing formed in the terminal housing portion 33 of the housing main body 31. While being inserted into the chamber 40 (40P, 40G, 40S), it is fitted into the fitting cylindrical portion 34 from the rear.
- the sub-assembly 85 inserts the terminal connection portion 13 of each vehicle-side terminal 11 into the insertion hole 43 of the stopper wall 42 in the corresponding terminal storage chamber 40, and elastically displaces the lock frame 58 on the outer periphery of the retainer 50. It rides on the lock protrusion 35 and is pushed in.
- the lock frame 58 is restored and fitted and fitted into the lock projection 35, thereby fitting the sub-assembly 85. It is locked in the form fitted to the cylindrical portion 34.
- the sub-assembly 85 is integrally assembled to the housing main body 31, and the male housing 30 is formed.
- the terminal connection portion 13 of the L-shaped vehicle side terminal 11 connected to the end of each of the electric wires 20P and 20S is inserted into the corresponding terminal accommodating chamber 40 to the proper position and is pulled backward by the retainer 50 It is housed in a blocked form.
- each of the vehicle-side terminals 11 is bent at a right angle in the retainer main body 51, and the wire connection portion 14 hangs down and protrudes downward through the relief recess 54.
- the wires 20P and 20S drawn from the respective wire connection portions 14 are wired along the wire holding portion 60 provided in the retainer 50, and are also tape-wound and held together with the lead wires 82 drawn from the temperature sensor 81.
- the grommet 70 is attached to the rear surface side of the male housing 30, and in detail, the cover portion 71 covers the retainer 50 from behind, and the electric wires 20P, 20S, 82 are inserted into the bellows-like electric wire insertion portion 72. It is done and pulled out downwards.
- Those wire groups W are connected to a battery or the like mounted on the vehicle.
- the male housing 30 faces the feed port opened in the vehicle body.
- the mounting portion 62 disposed inside the mounting plate 62 provided on the base plate 32 of the male housing 30 is fixed by being bolted against a mounting portion (not shown) provided at the edge of the feed port. Be done. Finally, the front cover 75 is attached to the front surface of the male housing 30, thereby completing the attachment of the vehicle-side connector 10.
- the lid provided at the power supply port is opened and then the front cover 75 of the male housing 30 is removed, and the connector for charging shown in FIG.
- charging is performed from a commercial power supply to a battery mounted on the vehicle.
- the vehicle side connector 10 of the present embodiment the following many effects can be obtained. Since the vehicle side terminal 11 is L-shaped, the electric wires 20P, 20S themselves can be drawn out and wired in a direction perpendicular to the terminal accommodating chamber 40 without bending. As a result, space saving of the rear surface of the male housing 30 can be achieved.
- Each of the vehicle side terminals 11 is a round pin terminal 12, and it is possible to turn each terminal connection portion 13 around the axis in the corresponding terminal accommodating chamber 40, so in the rear face of the male housing 30, As shown in 4, the terminal connection portion 13 of each vehicle-side terminal 11 is directed in an arbitrary direction such as the 3 o'clock direction (arrow A direction) or 9 o'clock direction (arrow B direction) on the timepiece board It becomes possible to pull out W in any direction. In this case, it is possible to cope with simple changes such as changing the positions of the relief recesses 34A and 54 provided in the fitting cylindrical portion 34 of the housing main body 31 and the peripheral wall 53 of the retainer 50. In short, diversification of the drawing direction when the wire group W is drawn radially on the rear surface of the male housing 30 can be accommodated relatively easily.
- each vehicle side terminal 11 is a round pin terminal 12, the electric wire drawn out from the wire connection portion 14 of each vehicle side terminal 11 while appropriately rotating the vehicle side terminal 11 around the axis in the terminal storage chamber 40 It is convenient when putting 20P and 20S into one bundle.
- a cylindrical stopper portion 16 is provided on the base end side of the terminal connection portion 13 and closely attached to the outer peripheral surface of the inlet 41 of the terminal accommodating chamber 40 on the outer periphery of the stopper portion 16. Since the seal ring 28 is fitted, as described above, the terminal housing 11 is allowed to rotate around the axial center of the terminal connection portion 13 when bundling the electric wires 20P and 20S. It is possible to reliably waterproof the room 40 from the outside.
- the insulating cylindrical portion 24 made of synthetic resin is provided on the outer periphery of the bent portion 18 of each vehicle side terminal 11, for example, when bundling the electric wires 20P and 20S as described above, the vehicle side terminal 11 is a terminal connection portion Even when the vehicle is rotated about the axis 13 to approach the adjacent vehicle-side terminals 11, the insulating cylinder portions 24 are in contact with each other to reliably maintain the insulation between the adjacent vehicle-side terminals 11.
- the engagement groove 26 is provided in the base end of the terminal connection portion 13 in the vehicle side terminal 11,
- the locking groove 26 is inserted in a radial direction into the locking groove 55 formed in the retainer 50 to prevent detachment, and in particular, both side surfaces of the locking groove 26, the rear end surface of the stopper portion 16 and the insulating cylinder It is crawling with the front end face of the part 24.
- the rear end face of the stopper portion 16 not only the rear end face of the stopper portion 16 but also the front end face can be formed as a flat surface by forming the insulating cylindrical portion 24 by molding as described above.
- the locking groove 26 can be accurately and smoothly inserted into the locking groove 55 of the retainer 50, thus ensuring the correct mounting of the retainer 50.
- the locking groove 26 In order to lock the rear side surface of the locking groove 26 to a flat surface, for example, it projects from the outer peripheral surface of the round pin terminal 12 at a rear position having a predetermined dimension from the rear end surface of the stopper portion 16 It is sufficient if the flange is formed, but if the flange is erected temporarily, as shown in FIG. 10, when trying to bend the primary formed terminal 12X at a right angle using the jig J, the flange becomes an obstacle There is a circumstance that it is not possible to process right angle bending. Therefore, using the front end surface of the insulating cylindrical portion 24 which is molded after bending is used for the rear side surface of the locking groove 26 is locking the L-shaped round pin terminal 12. It is effective in forming the groove 26.
- the vehicle side terminal is illustrated as being formed in an L shape by bending the position between the terminal connection portion and the wire connection portion in the round pin terminal at a right angle, The position may be a substantially L-shape bent at an obtuse angle, and such is also included in the technical scope of the present invention.
- the insulating cylindrical portion is provided by molding at the bent portion of each vehicle side terminal, but it is intended only to prevent adjacent vehicle side terminals from contacting with each other. For example, other means such as attaching separately formed ones may be taken.
- the provision of the insulating cylinder may be omitted.
- the locking groove for the retainer on the vehicle side terminal it may be formed directly on the outer peripheral surface of the round pin terminal as long as the bending process of the round pin terminal is not inhibited.
- the present invention is applicable also to the thing whose male housing is 1 piece.
- the present invention is not limited to the plug-in hybrid vehicle exemplified in the above embodiment, but can be similarly applied to a vehicle-side connector provided in an electric vehicle.
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
本発明は上記のような事情に基づいて完成されたものであって、その目的は、ハウジングの後面側における電線配索のさらなる省スペース化を実現するところにある。
(1)前記端子金具における前記端子接続部の基端側には、前記端子収容室の入口に密着するシールリングが装着されている。端子金具が端子接続部の軸心回りに回動することを許容しつつ、端子収容室を外部から防水できる。
(2)前記端子金具の屈曲部の外周には、合成樹脂製の絶縁筒部が設けられている。端子金具が密な形態で配設されている場合等、絶縁筒部が当たり合うことで隣り合う端子金具間を確実に絶縁することができる。
本発明の一実施形態を図1ないし図17に基づいて説明する。この実施形態では、プラグインハイブリッド車において、車両に搭載されたバッテリに充電するべく相手の充電用コネクタ1と嵌合される車両側コネクタ10を例示している。
先に相手の充電用コネクタ1を簡単に説明すると、図1に示すように、車両側コネクタ10の雄ハウジング30に接続される雌ハウジング3を有しており、同雌ハウジング3は、小フード部4内に、互いに独立した5本の端子収容筒5が奥壁から突出した形態で設けられた構造である。上段の2個の端子収容筒5Pには雌側のパワー端子が、下段の中央の端子収容筒5Gには雌側のアース端子が、また、下段の両端の端子収容筒5Sには雌側の信号用端子が、それぞれ収容されている。
代表してパワー端子11Pについて説明する。同パワー端子11Pは、図6ないし図8に示すように、一端側に、相手のパワー端子と接続される端子接続部13が真直に延出形成されているとともに、他端部に、電線20Pの芯線21を圧着する筒形をなす電線接続部14が形成されている。端子接続部13の先端面には、保護キャップ27を嵌める取付孔15が開口されている。端子接続部13の基端側には、拡径されたストッパ部16P(16)が所定長さに亘って形成されているとともに、同ストッパ部16Pの外周面には、シールリング28の嵌着溝17が周設されている。
最後に、ストッパ部16Pの嵌着溝17にシールリング28が嵌着されるとともに、端子接続部13の先端面の取付孔15に保護キャップ27が装着され、これにより太電線20Pの端末にL字形をなすパワー端子11Pが接続された状態となる。
アース端子11Gは、図12に示すように、ストッパ部16Gの前面が、上記のパワー端子11Pと比べて後方に位置している点を除いて、同パワー端子11Pと同様の形状であり、太電線20Pの露出した芯線21の端末を電線接続部14に圧着することで、太電線20Pの端末にL字形をなすアース端子11Gが接続された状態となる。
なお、3本の太電線20Pは、一括型のシールド電線Wa(キャブタイヤケーブル)として1本に纏められている。
基板32の背面側では、図14に示すように、端子収容部33の後面の回りに嵌合筒部34が形成されており、この嵌合筒部34の下面の後端側には、逃がし凹部34Aが切り欠き形成されている。嵌合筒部34内には、図5に示すように、円盤状をなすサブハウジング37が、周面に嵌着したシールリング38を介して水密に嵌着されている。
したがって、各車両側端子11(11P,11G,11S)は、端子接続部13が対応する端子収容室40(40P,40G,40S)に後方から挿入され、途中から挿通孔43を貫通しつつ押し込まれ、ストッパ部16の前面がストッパ壁42に当たったところで押し込みが停止される。このとき各車両側端子11の端子接続部13がストッパ壁42の前方に突出し、ストッパ部16に嵌着されたシールリング28が各端子収容室40P,40G,40Sの入口41P,41G,41Sに緊密に嵌着されるようになっている。また、各車両側端子11の被係止溝26が、図5に示すように、サブハウジング37の後面から後方に突出した位置に配されるようになっている。
5本の係止溝55のうち上縁に開口した2本の係止溝55Pには、パワー端子11Pの被係止溝26Pが緊密に挿通可能である。なお、リテーナ本体51の周壁53における上面には、各係止溝55Pの上縁から後方に延びた形態で逃がし溝57が形成されている。各係止溝55Pの下端部には、パワー端子11Pの被係止溝26Pが緊密に嵌り、したがって係止溝55Pの下端部の周縁(下縁と両側縁)が、被係止溝26Pの側面に係止する係止部56Pとなっている。
両端の2本の係止溝55Sには、信号用端子11Sの被係止溝26Sが緊密に挿通可能である。各係止溝55Sの上端部には、信号用端子11Sの被係止溝26Sが緊密に嵌り、したがって係止溝55Sの上端部の周縁(上縁と両側縁)が、被係止溝26Sの溝面に係止する係止部56Sとなる。
一方、嵌合筒部34の外周面には、図14に示すように、各ロック枠58と対応する都合4箇所の位置において、ロック突部35が形成されている。
なお、リテーナ本体51の前面板52の下縁には、略半円筒形をなす電線保持部60が、逃がし凹部54の位置から垂下するようにして形成されている。
グロメット70はゴム製であって、リテーナ50の回りを後方から覆うカバー部71の下端に、電線20P群を挿通する蛇腹状をなす電線挿通部72を連設した構造である。
なお、雄ハウジング30の前面には、フロントカバー75が着脱可能に装着されるようになっている。
既述したように、各車両側端子11の電線接続部14に対して各電線20P,20Sの端末が圧着されて接続され、それとともに熱収縮チューブ29が装着されて圧着部分が止水される。このように電線20P,20Sの端末に接続された5本の車両側端子11が、リテーナ50に対して装着される。各車両側端子11は、それぞれの被係止溝26が対応する係止溝55に径方向に挿入されて各係止溝55の奥端に嵌められる。これにより各車両側端子11は、被係止溝26の両側面が係止部56に係止されることで、前後方向(図5の左右方向)の移動が規制された状態で装着される。
なお、図4に示すように、リテーナ50の前面板52の裏面に設けられたセンサ収容室80には、温度センサ81が抜け止めされて収容され、温度センサ81から引き出されたリード線82も同様に、電線保持部60に沿うように配線される。これらの電線保持部60に沿って配線された電線20P,20S,82にテープ巻きして固定すると、纏まりがよい。
それとともに、各車両側端子11はリテーナ本体51内において直角曲げされた形態で、電線接続部14が垂下し、逃がし凹部54を通ってその下方に突出する。各電線接続部14から引き出された電線20P,20Sは、リテーナ50に設けられた電線保持部60に沿って配線され、温度センサ81から引き出されたリード線82ともどもテープ巻きされて保持される。
このように電線群Wの端末に雄ハウジング30が形成され、かつ同雄ハウジング30の後面側にグロメット70が装着されたら、雄ハウジング30が、車両のボディに開口された給電口に臨むようにその内側に配され、雄ハウジング30の基板32に設けられた取付部62が、給電口の口縁部に設けられた被取付部(図示せず)に当てられてボルト締めされることで固定される。最後に、雄ハウジング30の前面にフロントカバー75が装着されることで、車両側コネクタ10の取り付けが完了する。
各車両側端子11は丸ピン端子12であって、それぞれの端子接続部13を対応する端子収容室40内で軸線回りに回動することが可能であるから、雄ハウジング30の後面において、図4に示すように、各車両側端子11の端子接続部13を時計盤における3時方向(矢線A方向)や、9時方向(矢線B方向)といった任意の方向に向け、したがって電線群Wを任意方向に引き出すことが可能となる。この場合、ハウジング本体31の嵌合筒部34とリテーナ50の周壁53に設ける逃がし凹部34A,54の位置を変えるといった簡単な変更に留めて対応することができる。端的には、電線群Wが雄ハウジング30の後面において放射方向に引き出される場合の引き出し方向の多様化に、比較的簡単に対応することができる。
本実施形態の車両側端子11では、端子接続部13の基端側に円柱状のストッパ部16を設けて、同ストッパ部16の外周に端子収容室40の入口41の内周面に密着するシールリング28が嵌着された構造としたから、上記のように、電線20P,20Sを束ねるに際して車両側端子11が端子接続部13の軸心回りに回動することを許容しつつ、端子収容室40を確実に外部から防水することが可能である。
ここで、ストッパ部16の後端面はもちろんのこと、絶縁筒部24が上記のようにモールド成形により形成されていることで、その前端面も平坦面として形成できるから、車両側端子11の被係止溝26をリテーナ50の係止溝55に対して正確にかつスムーズに挿入することができ、ひいてはリテーナ50の正確な装着が担保される。
したがって、曲げ加工をした後からモールド成形される絶縁筒部24の前端面を被係止溝26の後側の側面に利用することは、L字形をなす丸ピン端子12に対して被係止溝26を形成するに当たって有効である。
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
(1)上記実施形態では、車両側端子について、丸ピン端子における端子接続部と電線接続部の間の位置を直角曲げしてL字形に形成したものを例示したが、両接続部の間の位置を鈍角に曲げた略L字形としたものであってもよく、そのようなものも本発明の技術的範囲に含まれる。
(3)また、車両側端子の配置間隔等の条件に応じて隣り合う車両側端子が接触するおそれがない場合には、絶縁筒部を設けることを割愛してもよい。
(4)車両側端子にリテーナに対する被係止溝を設けるに当たり、丸ピン端子の曲げ加工を阻害しない限り、丸ピン端子の外周面に直接に形成するようにしてもよい。
また、サブハウジングとリテーナとを予め一体的に組み付ける(サブアッシイ)ことなく、サブハウジングのみをハウジング本体の嵌合筒部内に嵌合して予め装着し、しかる後車両側端子並びにリテーナを装着する等、適宜の手順を踏むことができる。
(7)また本発明は、上記実施形態に例示したプラグインハイブリッド車に限らず、電気自動車に備える車両側コネクタにも同様に適用することができる。
3…雌ハウジング
10…車両側コネクタ
11…車両側端子(端子金具)
11P…パワー端子
11G…アース端子
11S…信号用端子
12…丸ピン端子
13…端子接続部
14…電線接続部
18…屈曲部
20P,20S…電線
24…絶縁筒部
26,26P,26G,26S…被係止溝
28…シールリング
30…雄ハウジング(ハウジング)
40,40P,40G,40S…端子収容室
41,41P,41G,41S…入口
50…リテーナ
55,55P,55G,55S…係止溝
56,56P,56G,56S…係止部
W…電線群
Claims (4)
- 車両に搭載されたバッテリに充電するべく充電用コネクタと嵌合される車両側コネクタであって、
前記充電用コネクタが前方から嵌合可能に車両に設けられたハウジングと、
前記バッテリを含む車両内から引き出された複数本の電線にそれぞれ接続された端子金具と、
前記ハウジングに設けられ前記各端子金具が後方から挿入されて収容される複数の端子収容室と、が備えられ、
前記端子金具が、一端側に前記充電用コネクタに設けられた充電用端子と接続される端子接続部を、他端側に前記電線の端末に圧着される電線接続部を有して屈曲形成された丸ピン端子であり、
この端子金具の前記端子接続部が、前記端子収容室に抜け止めされて収容されていることを特徴とする車両側コネクタ。 - 前記端子金具における前記端子接続部の基端側には、前記端子収容室の入口に密着するシールリングが装着されていることを特徴とする請求項1記載の車両側コネクタ。
- 前記端子金具の屈曲部の外周には、合成樹脂製の絶縁筒部が設けられていることを特徴とする請求項1または請求項2記載の車両側コネクタ。
- 前記端子金具における前記端子接続部の基端部には被係止溝が形成され、リテーナが前記端子接続部の前記被係止溝に対して径方向に差し込まれることにより、前記端子金具の前記端子接続部が前記端子収容室内に抜け止めされて収容されるものにおいて、前記絶縁筒部の一端面が前記被係止溝の一方の溝面を構成していることを特徴とする請求項3記載の車両側コネクタ。
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JP2015506454A JP5854302B2 (ja) | 2013-03-19 | 2013-03-19 | 車両側コネクタ |
US14/772,147 US9543678B2 (en) | 2013-03-19 | 2013-03-19 | Vehicle-side connector |
PCT/JP2013/057876 WO2014147758A1 (ja) | 2013-03-19 | 2013-03-19 | 車両側コネクタ |
EP13878602.5A EP2942840B1 (en) | 2013-03-19 | 2013-03-19 | Vehicle-side connector |
CN201380074857.1A CN105075026B (zh) | 2013-03-19 | 2013-03-19 | 车辆侧连接器 |
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EP (1) | EP2942840B1 (ja) |
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Also Published As
Publication number | Publication date |
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US9543678B2 (en) | 2017-01-10 |
US20160006156A1 (en) | 2016-01-07 |
JP5854302B2 (ja) | 2016-02-09 |
EP2942840B1 (en) | 2018-08-15 |
JPWO2014147758A1 (ja) | 2017-02-16 |
EP2942840A4 (en) | 2015-12-30 |
CN105075026B (zh) | 2017-10-24 |
CN105075026A (zh) | 2015-11-18 |
EP2942840A1 (en) | 2015-11-11 |
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