WO2014147756A1 - 車両側コネクタ - Google Patents
車両側コネクタ Download PDFInfo
- Publication number
- WO2014147756A1 WO2014147756A1 PCT/JP2013/057874 JP2013057874W WO2014147756A1 WO 2014147756 A1 WO2014147756 A1 WO 2014147756A1 JP 2013057874 W JP2013057874 W JP 2013057874W WO 2014147756 A1 WO2014147756 A1 WO 2014147756A1
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- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- vehicle
- housing
- relay
- vehicle side
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6616—Structural association with built-in electrical component with built-in single component with resistor
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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
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- the present invention relates to a vehicle side connector.
- a charging connector connected to a power source can be fitted to the vehicle-side connector, and the battery is charged when the vehicle-side connector and the charging connector are properly fitted.
- the relay circuit which has electronic parts, such as a resistor, as mentioned above, it solders and solders an electronic part between electric wires, such as an earth wire drawn out from a vehicle side connector, and a signal wire, for example
- electric wires such as an earth wire drawn out from a vehicle side connector
- signal wire for example
- the present invention is completed based on the above circumstances, and it is an object of the present invention to reduce the number of operation steps for forming a relay circuit and to save the space of the relay circuit.
- the present invention is a vehicle-side connector connected to a battery mounted on a vehicle, wherein a housing into which a charging connector is fitted, and a plurality of housings provided in the housing A plurality of vehicle-side terminals individually accommodated in the cavity and individually connected to the plurality of charging terminals provided on the charging connector when the housing and the charging connector are fitted;
- the vehicle which is accommodated in an accommodating portion provided in a housing, one end of which is connected to one of the plurality of vehicle side terminals and the other end of which is connected to one of the plurality of vehicle side terminals.
- a relay circuit unit connected to the vehicle-side terminal different from the side terminal.
- the vehicle-side connector having such a configuration, by accommodating the relay circuit unit in the housing, between the one vehicle-side terminal of the plurality of vehicle-side terminals and the vehicle-side terminal different from the one vehicle-side terminal Can be provided with a relay circuit.
- the relay circuit unit is housed in the housing portion of the housing, space saving of the relay circuit can be achieved as compared with the case where the relay circuit is provided between the wires drawn from the vehicle side connector.
- the housing portion may be provided between the cavities in the housing. According to such a configuration, since the housing portion is provided between the cavities which are dead spaces in the housing, the housing can be miniaturized, for example, as compared with the case where the housing portion is provided on the outer surface of the housing.
- the relay circuit unit has an electronic component having a pair of leads, a first relay terminal connected to one of the leads, and a second relay terminal connected to the other lead,
- the lead is pressed by the pressing portion provided in the accommodating portion, and the lead is connected to the lead connecting portion provided on the first relay terminal and the second relay terminal. May be connected to each other.
- the connection work between the lead and the lead connection portion can be facilitated.
- the number of operation steps for connecting the lead and the lead connection portion can be reduced.
- the lead connection portion may have a press-contacting blade which is pressed against the lead by being pressed by the pressing portion. According to such a configuration, the structure of the lead connection portion can be simplified and the structure of the lead connection portion can be miniaturized as compared with the case where an elastic contact piece or the like elastically contacting the lead is provided in the lead connection portion. Can.
- the first relay terminal and the second relay terminal are provided with elastically displaceable terminal connection portions that project into the cavity, and the vehicle side terminal is accommodated in the cavity, the vehicle side
- the terminal connection portion may elastically contact the terminal.
- each relay terminal and the vehicle side terminal can be connected only by housing the vehicle side terminal in the cavity of the housing.
- each relay terminal and the vehicle side terminal can be easily connected as compared to the case where the relay terminal and the vehicle side terminal are connected by soldering or crimping. It is possible to reduce the number of operation steps for connecting the vehicle side terminal with the vehicle side terminal.
- the first relay terminal and the second relay terminal are provided with a connecting portion for connecting the lead connecting portion and the terminal connecting portion, and the connecting portion is provided with a press-fit projection to be press-fit into the housing. It is good also as composition. According to such a configuration, since the press-fit projection is provided at the connecting portion, the structure of the relay terminal can be simplified and the structure of the relay terminal can be compact as compared with the case where a press-fit piece press-fitted into the housing is separately provided. Can be
- the electronic component is a resistor
- the vehicle side terminal connected to the first relay terminal is a vehicle side ground terminal
- the vehicle side terminal connected to the second relay terminal is a vehicle side It may be configured as a signal terminal.
- the vehicle-side ground terminal and the vehicle-side ground terminal are connected without connecting a resistor using solder or the like between the ground wire connected to the vehicle-side ground terminal and the signal line connected to the vehicle-side signal terminal.
- a resistor circuit can be provided between the vehicle-side signal terminal.
- the first relay terminal and the second relay terminal may have the same shape. According to such a configuration, since the first relay terminal and the second relay terminal can be used as a common part, it is possible to prevent a mistake between the first relay terminal and the second relay terminal, and to control parts. It is advantageous from
- the perspective view which looked the vehicle side connector from diagonally forward The perspective view which looked the vehicle side connector from diagonally back Rear view of vehicle side connector AA line sectional view of FIG. 3 Principal part enlarged sectional view of FIG. 4 BB line sectional view of FIG. 3 Principal part enlarged sectional view of FIG. 6
- the perspective view which looked at the state before attaching a retainer to a housing from diagonally back The main part enlarged perspective view of FIG. 8 Rear view showing the condition before mounting the retainer on the housing
- Sub-housing perspective view Equal view CC sectional view of FIG. 12 Rear view showing the resistance circuit unit assembled to the sub housing DD line sectional view of FIG. 14
- the perspective view which shows the state before a relay terminal and a resistor are connected A perspective view showing a state after the relay terminal and the resistor are connected Perspective view of relay terminal Same side view Same plan
- the present embodiment is a vehicle side connector 10 connected to a battery (not shown) mounted on a vehicle, and the vehicle side connector 10 is properly fitted with a charging connector 80 connected to a power supply. By energizing the battery, the battery is charged.
- the vertical direction is based on the vertical direction in FIG.
- the front-rear direction is described on the basis of the left-right direction in FIG. 4 and the side in which the connectors 10 and 80 are fitted with each other is referred to as the front side.
- the charging connector 80 is configured to have a cylindrical charging side fitting portion 81 that can be fitted to the vehicle side connector 10.
- a terminal accommodating cylindrical portion 84 in which the charging side terminals 83 are individually accommodated is configured in three upper and lower stages, and two upper stages are a power terminal accommodating cylindrical portion 84A, a middle stage Two are a signal terminal accommodating cylindrical portion 84B, and one lower center is a ground terminal accommodating cylindrical portion 84C.
- the vehicle-side connector 10 collectively pulls out a housing 20 made of synthetic resin, a plurality of vehicle-side terminals 40 housed in the housing 20, and a plurality of vehicle-side terminals 40. It comprises and comprises the retainer 50 to stop.
- the vehicle side terminal 40 is roughly in the shape of an elongated round pin, and is connected to a pair of vehicle side power terminals 40A respectively connected to a pair of power supply lines (not shown).
- a pair of vehicle-side signal terminals 40B connected to a pair of signal lines (not shown) and a vehicle-side ground terminal 40C connected to a ground line (not shown).
- each vehicle side terminal 40 is formed in a small diameter with substantially the same shape as it becomes the vehicle side power terminal 40A, the vehicle side ground terminal 40C, and the vehicle side signal terminal 40B.
- the basic configuration is the same.
- the vehicle-side terminal 40 is formed by pressing, cutting or the like using a metal round bar as a base material, and a pin-shaped connection portion 41 to which the charge-side terminal 83 of the charging connector 80 is connected; It comprises a main body portion 42 provided continuously to the rear of the connection portion 41 and a wire connection portion 43 provided continuous to the rear of the main body portion 42.
- each pin-shaped connecting portion 41 enters into the terminal accommodating cylindrical portion 84 of the corresponding charging connector 80 and electrically connected to the charging terminal 83.
- a protective cap 44 made of resin is attached to the tip of a part of the pin-shaped connection portion 41.
- the main body portion 42 has a cylindrical shape having a diameter larger than that of the pin-like connection portion 41, and a rubber ring 45 is fitted to the outer peripheral surface of the main body portion 42. Further, at the rear end of the main body portion 42, a circular flange portion 46 protruding outward in the radial direction is provided.
- the wire connection portion 43 is formed in a cylindrical shape opened to the rear, and a core wire (not shown) of the wire is inserted into the wire connection portion 43 and crimped.
- the housing 20, as shown in FIGS. 4 and 8, includes a housing body 21 to which the charging fitting portion 81 of the charging connector 80 is fitted, and a sub housing 22 to be fitted to the housing body 21 from the rear. It is constituted combining in the front and back direction.
- the housing body 21 has a substantially cylindrical shape in which the charge-side fitting portion 81 is fitted inside the front surface of the mounting plate 21A fixed to the vehicle body (not shown).
- the connector fitting portion 23 is provided, and a substantially cylindrical fitting cylindrical portion 24 in which the sub housing 22 is fitted is provided on the rear surface of the mounting plate 21A.
- a plurality of (four in the present embodiment) collars 25 are embedded in the mounting plate 21A, and a bolt (not shown) is inserted through the collars 25 to tighten the housing 20 to the vehicle body. It is fixed to the body of As shown in FIG. 1 and FIG. 4, when the connector fitting portion 23 and the charging side fitting portion 81 are properly fitted, the charging connector 80 is provided on the upper portion of the connector fitting portion 23.
- a lock portion 26 is provided for locking the lock claw 85 (see FIG. 21), and the charging connector 80 and the vehicle-side connector 10 are fitted by locking the lock claw 85 and the lock portion 26 to each other. It is designed to be held in the same state.
- a column-shaped terminal accommodating portion 27 which is continuous with the sub housing 22 fitted in the fitting cylindrical portion 24 in the front-rear direction.
- a plurality of cavities 28 provided in common are formed in a round hole shape and penetrated in the front-rear direction.
- the plurality of cavities 28 are configured in upper and lower three stages, and a pair of cavities 28 arranged in the upper stage are disposed in the middle stage with a pair of power supply cavities 28A for accommodating the vehicle side power terminals 40A.
- the pair of cavities 28 is a pair of signal cavities 28B for accommodating the vehicle side signal terminal 40B, and the cavity 28 disposed at the lower center is a cavity 28 for grounding for accommodating the vehicle side ground terminal 40C.
- the corresponding vehicle side terminal 40 is insertable into each cavity 28 from the rear, and as shown in FIGS. 4 and 6, each vehicle side terminal 40 is accommodated over the housing body 21 and the sub housing 22. Be done.
- a front stop portion 29 for locking the main body portion 42 of the vehicle side terminal 40 from the front is provided in the cavity 28 of the terminal accommodating portion 27, as shown in FIGS. 4 and 6, a front stop portion 29 for locking the main body portion 42 of the vehicle side terminal 40 from the front is provided. Is inserted into the cavity 28 to a proper position, the front stop 29 locks the main body 42 from the front, and the pin-like connection 41 protrudes from the front stop 29.
- the sub housing 22 has a cylindrical shape, and inside the sub housing 22, a plurality of small diameter cylindrical portions 30 constituting the rear of each cavity 28 are provided in a cylindrical shape. ing. That is, the small diameter cylindrical portion 30 is provided in three stages, upper and lower, for the power supply terminal cylindrical portion 30A that accommodates the vehicle side power supply terminal 40A, and the middle one for the signal terminal cylindrical portion 30B that accommodates the vehicle side signal terminal 40B, The lower center portion is a ground terminal cylindrical portion 30C that accommodates the vehicle side ground terminal 40C. As shown in FIGS.
- the main body 42 of the corresponding vehicle-side terminal 40 is accommodated at the front of each small diameter cylindrical portion 30, and the main body 42 is accommodated by the rubber ring 45 fitted in the main body 42. And the inner peripheral surface of the cavity 28 are sealed. Further, the inner diameter at the rear of each small diameter cylindrical portion 30 is formed to be substantially the same as the outer diameter of the flange portion 46 of the vehicle side terminal 40, and as shown in FIGS. The flange portion 46 is adapted to be inserted with proper clearance.
- a seal ring 31 is fitted to the front end portion of the outer peripheral surface of the sub housing 22. As shown in FIGS. 4 and 6, when the fitting cylindrical portion 24 of the housing main body 21 and the sub housing 22 are fitted, the seal ring 31 is formed of the inner peripheral surface of the fitting cylindrical portion 24 and the sub housing 22. It is in close contact with the outer peripheral surface and seals between the housing main body 21 and the sub housing 22.
- the retainer 50 is made of synthetic resin, and can be attached to the housing 20 from the rear as shown in FIGS.
- the retainer 50 has a base portion 51 closing the rear end opening of the sub housing 22, a plurality of retaining portions 52 projecting forward from the base portion 51, and a fitting cylindrical portion projecting forward from the outer peripheral edge of the base portion 51. It comprises and comprises a plurality of attachment pieces 53 distributed along the circumference of 24.
- Each retainer 52 is inserted into the corresponding cavity 28 by attaching the retainer 50 to the housing 20, and locks the flange 46 of the vehicle side terminal 40 inserted into the cavity 28 from the rear.
- the base portion 51 is provided with wire insertion grooves 54 notched in the vertical direction from the upper edge and the lower edge of the base portion 51, and these wire insertion grooves 54 are drawn backward from the sub housing 22. The electric wire (not shown) is inserted.
- a part of the mounting pieces 53 is provided with a plurality of locking projections 32 provided on the outer peripheral surface of the fitting cylindrical part 24 and locking parts 55 which can be individually locked, as shown in FIG.
- the retainer 50 is held relative to the housing 20 by locking the locking portion 55 and the locking protrusion 32 in the front-rear direction. That is, by holding the retainer 50 with respect to the housing 20, the vehicle-side terminal 40 is prevented from coming backward in the cavity 28.
- a housing portion 33 for housing the resistance circuit unit 60 (corresponding to “relay circuit unit”) from behind is provided It is done.
- the resistance circuit unit 60 is mounted by being pushed from behind into the housing portion 33 before inserting the vehicle side terminal 40 into the sub housing 22.
- the pair of leads is provided.
- a pair of generally cylindrical resistors 62 (corresponding to “electronic components”) 62 provided at both ends and a pair of resistors 61 disposed on both sides in the left-right direction and connected to leads 62 of the resistor 61 respectively
- the relay terminal 63 is configured.
- the relay terminal 63 disposed on the right side of the resistor 61 corresponds to a first relay terminal
- the relay terminal 63 disposed on the left side of the resistor 61 corresponds to a second relay terminal.
- each relay terminal 63 includes a terminal connection portion 64 connected to the vehicle side terminal 40, a lead connection portion 65 connected to the lead 62, the terminal connection portion 64, and the leads. And a connecting portion 66 connecting the connecting portion 65.
- the connecting portion 66 has a flat plate shape long in the front-rear direction, and a pair of front and rear press-fit projections 66A are provided on both side edges of the connecting portion 66, respectively. The press-in protrusions 66A project outward toward the rear.
- the terminal connection portion 64 is extended obliquely downward toward the front from the front edge of the connecting portion 66, and is elastically displaceable in the vertical direction.
- the lead connection portion 65 is provided continuously with the rear edge of the connection portion 66, and a pair of connection pieces 68 are formed to rise in opposite directions in the left-right direction on both side edges of the rectangular substrate portion 67. There is.
- connection pieces 68 are respectively provided with lead insertion holes 69 through which the leads 62 are inserted, and in these lead insertion holes 69, as shown in FIG. 16 and FIG. It is insertable. Further, as shown in FIG. 19, the lead insertion hole 69 is configured such that the front side portion is larger than the outer diameter of the lead 62 and the rear side portion is smaller than the outer diameter of the lead 62. At the side opening edge, a pair of press contact blades 70 opposed in the vertical direction is provided. Therefore, as shown in FIG. 16, the leads 62 of the resistor 61 are continuously inserted through the front portions of the two lead insertion holes 69 of each relay terminal 63, and as shown in FIG.
- the leads 62 When the leads 62 are pushed, the leads 62 are respectively brought into pressure contact with the pair of connection pieces 68 of the relay terminals 63 to be electrically connected. Thereby, a pair of relay terminals 63 are connected via the resistor 61, and the resistance circuit unit 60 is comprised.
- the housing portion 33 is opened rearward, and the lower peripheral wall of the power terminal cylindrical portion 30A disposed on the left and the signal terminal cylinder disposed on the left
- the upper peripheral wall 34 of the portion 30B and the upper peripheral wall 35 of the grounding terminal tubular portion 30C are formed to have a substantially rectangular shape which is horizontally long in the left-right direction.
- the resistor 61 of the resistance circuit unit 60 is accommodated in a substantially central portion in the left-right direction of the accommodation portion 33, and the relay terminals 63 are respectively accommodated in the left-right direction both sides of the accommodation portion 33.
- a lead insertion groove 36 notched toward the front is provided in the left and right direction both side walls 33A of the housing portion 33, and a pressing portion 37 for pressing the lead 62 from the front is provided at the back of the lead insertion groove 36. Is provided.
- the resistance circuit unit 60 is inserted into the housing portion 33 from the rear, the end portions 62A of the leads 62 positioned at both ends in the left-right direction of the resistance circuit unit 60 are inserted into the lead insertion groove 36.
- the lead connection portion 65 of the relay terminal 63 is inserted about half, the end 62A of the lead 62 abuts on the pressing portion 37 from the rear. Then, when each relay terminal 63 is completely pushed into the housing portion 33, as shown in FIG.
- the lead 62 is pressed from the front by the pressing portion 37, and the lead 62 is interposed between the press contact blades 70 of the lead connection portion 65. Pushed in. That is, the lead 62 of the resistor 61 and the lead connection portion 65 of the relay terminal 63 can be electrically connected only by inserting the relay terminal 63 into the housing portion 33.
- each of the left and right direction end portions of the housing portion 33 is provided with each of the press-in concave portions 38 having a concave shape in the rear view.
- the lower end portion of the press-fit recess 38 disposed on the left side is provided in the upper peripheral wall 34 of the signal terminal tubular portion 30B, and the substantially central portion in the left-right direction of the lower end portion of the press-fit recess 38 is the signal terminal tubular portion 30B. It communicates with the inner signal cavity 28B.
- the lower end portion of the press-fit recess 38 disposed on the right side is provided in the upper peripheral wall 35 of the ground terminal tubular portion 30C in the ground terminal tubular portion 30C, and the substantially central portion in the left-right direction of the press-fit recess 38 is , And the cavity 28C for grounding. Therefore, when each relay terminal 63 is press-fit into the press-fit recess 38, as shown in FIGS. 14 and 15, the lower surface of the connecting portion 66 and the lower surface of the substrate portion 67 in the lead connection portion 65 It is exposed inside, and the terminal connection part 64 will be in the state protruded in the approach path
- the terminal connection portion 64 of the relay terminal 63 is The flange portion 46 of the vehicle side terminal 40 abuts from the rear. Then, when the vehicle side terminal 40 is inserted to the proper position, the tip of the terminal connection portion 64 rides on the outer peripheral surface of the flange portion 46 and the tip of the terminal connection portion 64 is elastic with respect to the outer peripheral surface of the flange portion 46 Contact. Thereby, relay terminal 63 on the left side of resistance circuit unit 60 and vehicle side signal terminal 40B are electrically connected, and relay terminal 63 on the right side of resistance circuit unit 60 and vehicle side ground terminal 40C are electrically connected. Ru. That is, the vehicle-side signal terminal 40B is inserted into the signal cavity 28B, and the vehicle-side ground terminal 40C is inserted into the grounding cavity 28C. Can be connected electrically.
- press-fit portions 39 to which press-fit protrusions 66A of the connecting portions 66 are press-fit are provided on both sides in the left-right direction of the portions where the press-fit recesses 38 and the cavities 28 communicate. It is provided. For this reason, when the relay terminal 63 is press-fit into the press-fit recess 38, the press-fit projection 66A of the connecting portion 66 is press-fit into the press-fit portion 39, and the relay terminal 63 is held in a state of press-fit into the housing portion 33. As a result, the resistance circuit unit 60 is held in a state of being attached to the sub housing 22.
- the vehicle-side connector 10 of the present embodiment has the above-described configuration. Subsequently, an example of a procedure for assembling the vehicle-side connector 10 will be briefly described, and the operation and effect thereof will be described.
- the sub housing 22 and the resistance circuit unit 60 are prepared.
- the lead 62 of the resistor 61 is not connected to the connection piece 68 at the lead connection portion 65 of the relay terminal 63 as shown in FIG. It is set as the temporarily assembled state penetrated by the front part in the lead
- the resistance circuit unit 60 in the temporarily assembled state is inserted into the accommodation portion 33 of the sub housing 22 from the rear.
- the terminal connection portions 64 of the relay terminals 63 are respectively inserted into the respective press-fit concave portions 38.
- the lead connection portion 65 starts to be inserted into the press-fit recess 38
- the end 62A of the lead 62 in the resistor 61 enters the lead insertion groove 36, and the lead connection portion 65 is about half inserted.
- the end 62 ⁇ / b> A of 62 abuts on the pressing portion 37 from the rear.
- the leads 62 are pushed between the press contact blades 70 of the lead connection portion 65.
- the lead 62 and the lead connection portion 65 are electrically connected. That is, the lead 62 of the resistor 61 and the lead connection portion 65 of the relay terminal 63 are electrically connected only by inserting the resistance circuit unit 60 from the rear into the housing portion 33, and the resistor 61 is connected to the pair of relay terminals
- the resistor circuit unit 60 can be configured to be electrically connected 63.
- the press-fit projection 66 A of the connection portion 66 of the relay terminal 63 is press-fit into the press-fit portion 39 of the sub housing 22. Will be held by Then, as shown in FIG. 14 and FIG. 15, the terminal connection portion 64 of each relay terminal 63 is in a state in which it extends into the entry path of the vehicle-side terminal 40 in each cavity 28.
- the sub-housing 22 on which the resistance circuit unit 60 is mounted is fitted to the fitting cylindrical portion 24 of the housing main body 21 from the rear.
- the seal ring 31 fitted on the outer peripheral surface of the sub-housing 22 is in close contact with the outer peripheral surface of the sub-housing 22 and the inner peripheral surface of the fitting cylindrical portion 24, whereby the space between the housing main body 21 and the sub-housing 22 Is sealed.
- the vehicle-side terminal 40 corresponding to each cavity 28 is inserted from the rear. Then, the main body portion 42 of the vehicle side terminal 40 is locked from the front by the front stop portion 29, so that it can be confirmed that the vehicle side terminal 40 has been inserted to the normal position.
- the rubber ring 45 fitted to the main body 42 and the inner peripheral surface of the cavity 28 and the outer peripheral surface of the main body 42 As a result, the space between the vehicle side terminal 40 and the inner peripheral surface of the cavity 28 is sealed.
- the vehicle side is located behind the normal position.
- the flange portion 46 of the terminal 40 abuts on the terminal connection portion 64 of the relay terminal 63 in the resistance circuit unit 60 from the rear.
- the tip of the terminal connection portion 64 rides on the outer peripheral surface of the flange portion 46 and the outer peripheral surface of the flange portion 46
- the tip of the terminal connection portion 64 elastically contacts.
- relay terminal 63 on the left side of resistance circuit unit 60 and vehicle side signal terminal 40B are electrically connected, and relay terminal 63 on the right side of resistance circuit unit 60 and vehicle side ground terminal 40C are electrically connected.
- Ru That is, the vehicle-side signal terminal 40 B and the vehicle-side ground terminal 40 C can be electrically connected via the resistance circuit unit 60.
- the retainer 50 is attached to the housing 20 from the rear. Then, as shown in FIG. 4 to FIG. 7, the flange portion 46 of the vehicle side terminal 40 inserted in each cavity 28 is locked from the rear by the retaining portion 52. Further, the locking portion 55 of the mounting piece 53 and the locking projection 32 of the fitting cylindrical portion 24 lock each other in the front-rear direction. Thereby, the retainer 50 is held with respect to the housing 20, and the vehicle side terminal 40 is prevented from coming backward in the cavity 28, and the vehicle side connector 10 is completed.
- the pressure welding blade 70 provided in the lead connection portion 65 of each relay terminal 63 only by housing the resistance circuit unit 60 in the housing portion 33 of the sub housing 22.
- the pair of leads 62 of the resistor 61 can be press-contacted, and the resistor 61 and the relay terminal 63 can be electrically connected, respectively.
- the vehicle side signal terminal 40B and the vehicle side ground terminal 40C can be electrically connected to the relay terminal 63 simply by inserting the vehicle side signal terminal 40B into the signal cavity 28B and inserting the vehicle side ground terminal 40C into the grounding cavity 28C. Can be connected.
- a resistor circuit unit 60 can be provided. Thereby, compared with the case where a resistance circuit is provided between the electric wires drawn from the vehicle-side connector, the number of operation steps for forming the resistance circuit can be dramatically reduced.
- the lead 62 is press-contacted by the pair of press-contact blades 70 to electrically connect the lead 62 and the connection piece 68 of the lead connection portion 65, for example, elastic contact with the lead
- the structure of the lead connection portion 65 can be simplified and downsized as compared with the case where the elastic contact piece or the like is provided in the lead connection portion.
- the relay terminal 63 is held with respect to the sub housing 22 by providing the press-fit projection 66A in the connecting portion 66 connecting the lead connecting portion 65 and the terminal connecting portion 64 in the relay terminal 63.
- the structure of the relay terminal 63 can be simplified and downsized as compared with the case where a press-fit piece or the like to be press-fitted into the housing is separately provided.
- the resistance circuit unit 60 can be miniaturized.
- the housing portion 33 is provided in the dead space between the cavities 28 in the sub housing 22 and the miniaturized resistance circuit unit 60 is housed in the housing portion 33. Therefore, the resistance circuit is provided between the wires drawn out from the vehicle side connector As compared with the case of providing the above, space saving of the resistor circuit can be achieved.
- the relay terminals 63 connected to the left and right of the resistor 61 have the same shape, the relay terminals 63 can be used as a common component, compared to the case where the shapes of the relay terminals differ between left and right. This can prevent a mistake in the relay terminal 63 and is advantageous in terms of parts management.
- the present invention is not limited to the embodiments described above with reference to the drawings.
- the following embodiments are also included in the technical scope of the present invention.
- the housing 20 is configured by the housing main body 21 and the separate sub housing 22
- the present invention is not limited to such an aspect, for example, the housing main body and the sub housing May be an integrally formed housing.
- the vehicle-side signal terminal 40B disposed on the left side and the ground-side signal terminal 40C are connected by the resistance circuit unit 60, but the present invention is limited to such an aspect.
- the vehicle-side signal terminal and the ground-side signal terminal disposed on the right side may be used as a resistor circuit unit instead of the one.
- the relay circuit unit is configured as the resistance circuit unit 60 having the resistor 61.
- the present invention is not limited to such an aspect, for example, electrons such as capacitors and diodes You may comprise as a relay circuit unit which has components.
- vehicle side connector 20 housing 28: cavity 33: accommodation portion 37: pressing portion 40: vehicle side terminal 40C: vehicle side ground terminal 40B: vehicle side signal terminal 60: resistance circuit unit (relay circuit unit) 61: Resistor (electronic component) 62: Lead 63: Relay terminal (first relay terminal, second relay terminal) 64: terminal connection portion 65: lead connection portion 66: connection portion 66A: press-in projection 70: pressure contact blade 80: charging connector 83: charging terminal
Abstract
Description
また、ハウジングの収容部に中継回路ユニットを収容するから、車両側コネクタから引き出された電線間に中継回路を設ける場合に比べて、中継回路の省スペース化を図ることができる。
前記収容部は、前記ハウジングにおいて前記キャビティ間に設けられている構成としてもよい。
このような構成によると、ハウジングにおいてデッドスペースであるキャビティ間に収容部を設けているので、例えば、ハウジングの外面に収容部を設ける場合に比べて、ハウジングを小型化することができる。
このような構成によると、中継回路ユニットを収容部に収容するだけで、第一中継端子と第二中継端子とが電子部品と接続されて中継回路ユニットを構成することができる。これにより、電子部品のリードに対して各中継端子を半田付けしたり、圧着したりする場合に比べて、リードとリード接続部との接続作業を容易にすることができる。ひいては、リードとリード接続部とを接続する作業工数を低減させることができる。
このような構成によると、リードに弾性的に接触する弾性接触片などをリード接続部に設ける場合に比べて、リード接続部の構造を簡素化すると共に、リード接続部の構造を小型化することができる。
このような構成によると、ハウジングのキャビティ内に車両側端子を収容するだけで、各中継端子と車両側端子とを接続することができる。これにより、例えば、中継端子と車両側端子とを半田付けしたり、圧着したりして接続する場合に比べて、各中継端子と車両側端子とを容易に接続することができ、各中継端子と車両側端子とを接続する作業工数を低減させることができる。
このような構成によると、繋ぎ部に圧入突起が設けられているから、ハウジングに圧入される圧入片を別途設ける場合に比べて、中継端子の構造を簡素化すると共に、中継端子の構造を小型化することができる。
このような構成によると、車両側アース端子に接続されるアース線と車両側信号端子に接続される信号線との間に半田などを用いて抵抗器を接続することなく、車両側アース端子と車両側信号端子との間に抵抗回路を設けることができる。
このような構成によると、第一中継端子と第二中継端子とを共通部品して利用できるから、第一中継端子と第二中継端子の取り違いを防止することができると共に、部品管理の面から有利である。
本発明の実施形態について図1乃至図21を参照して説明する。
本実施形態は、車両に搭載されたバッテリ(図示せず)に接続される車両側コネクタ10であって、この車両側コネクタ10に、電源に接続された充電用コネクタ80を正規に嵌合させて通電することにより、バッテリに充電が行われる。
なお、以下の説明において、上下方向とは図3における上下方向を基準とする。また、前後方向とは図4における左右方向を基準とし、両コネクタ10,80の嵌合方向を基準として、互いに嵌合する側を前側として説明する。
車両側端子40は、図4および図6に示すように、大まかには細長い丸ピン形状をなしており、一対の電源線(図示せず)にそれぞれ接続される一対の車両側電源端子40Aと、一対の信号線(図示せず)にそれぞれ接続される一対の車両側信号端子40Bと、アース線(図示せず)に接続される車両側アース端子40Cとからなる。また、各車両側端子40は、車両側電源端子40A、車両側アース端子40C、車両側信号端子40Bとなるに連れて、ほぼ同じ形状のまま小径に形成されており、各車両側端子40の基本構成は同一とされている。
各ピン状接続部41は、車両側コネクタ10と充電用コネクタ80とが嵌合されると、対応する充電用コネクタ80の端子収容筒部84内に進入し、充電側端子83と電気的に接続される。また、一部のピン状接続部41の先端には、樹脂製の保護キャップ44が装着されている。
電線接続部43は、後方に開口した円筒状に形成されており、電線接続部43内に電線の芯線(図示せず)が挿入されて圧着されるようになっている。
ハウジング本体21は、図1乃至図4に示すように、車両のボディ(図示せず)に固定される取付板21Aの前面に、充電側嵌合部81が内部に嵌合される略円筒状のコネクタ嵌合部23が設けられ、取付板21Aの後面に、サブハウジング22が内部に嵌合される略円筒状の嵌合筒部24が設けられた形態とされている。
コネクタ嵌合部23の上部には、図1および図4に示すように、コネクタ嵌合部23と充電側嵌合部81とが正規に嵌合した際に、充電用コネクタ80に設けられたロック爪85(図21を参照)が係止するロック部26が設けられており、ロック爪85とロック部26とが互いに係止することにより、充電用コネクタ80と車両側コネクタ10とが嵌合状態に保持されるようになっている。
複数のキャビティ28は、図10に示すように、上下三段に構成されており、上段に配された一対のキャビティ28が車両側電源端子40Aを収容する一対の電源用キャビティ28A、中段に配された一対のキャビティ28が車両側信号端子40Bを収容する一対の信号用キャビティ28B、下段中央に配されたキャビティ28が車両側アース端子40Cを収容するアース用キャビティ28Cとされている。各キャビティ28には、後方から対応する車両側端子40が挿入可能とされており、図4および図6に示すように、各車両側端子40がハウジング本体21とサブハウジング22とに亘って収容される。
各小径筒部30の前部には、図4および図6に示すように、対応する車両側端子40の本体部42が収容され、本体部42に嵌着されたゴムリング45によって本体部42の外周面とキャビティ28の内周面とがシールされるようになっている。また、各小径筒部30の後部における内径は、車両側端子40のフランジ部46の外径とほぼ同じに形成されており、図4乃至図7に示すように、小径筒部30内に僅かなクリアランスを有した状態でフランジ部46が適合して挿入されるようになっている。
各抜け止め部52は、リテーナ50をハウジング20に装着することにより、対応するキャビティ28にそれぞれ挿入され、キャビティ28内に挿入された車両側端子40のフランジ部46を後方から係止する。
ベース部51には、同ベース部51の上縁および下縁から上下方向に切り欠かれた電線挿通溝54が設けられており、これらの電線挿通溝54にはサブハウジング22から後方に引き出された電線(図示せず)が挿通される。
抵抗回路ユニット60は、車両側端子40をサブハウジング22に挿入する前に収容部33に後方から押し込まれて装着されるようになっており、図16および図17に示すように、一対のリード62が両端部に設けられた略円筒状の抵抗器(「電子部品」に相当する)61と、抵抗器61の左右方向両側に配されて抵抗器61のリード62にそれぞれ接続される一対の中継端子63とを備えて構成されている。なお、本実施形態において、抵抗器61の右側に配される中継端子63が第一中継端子に相当し、抵抗器61の左側に配される中継端子63が第二中継端子に相当する。
繋ぎ部66は、前後方向に長い平板状をなし、繋ぎ部66の両側縁には前後一対の圧入突起66Aがそれぞれ設けられている。圧入突起66Aは、後方に向かうほど外側に張り出した形態をなしている。
端子接続部64は、繋ぎ部66の前縁から前方に向かうほど斜め下に向かって延出されており、上下方向に弾性変位可能とされている。
リード接続部65は、繋ぎ部66の後縁に連設されており、方形状をなす基板部67の両側縁に一対の接続片68が左右方向に対向して立ち上がり形成された形態とされている。
すなわち、信号用キャビティ28Bに車両側信号端子40Bを挿入し、アース用キャビティ28Cに車両側アース端子40Cを挿入することにより、車両側信号端子40Bと車両側アース端子40Cとを、抵抗回路ユニット60を介して電気的に接続することができる。
まず、サブハウジング22と抵抗回路ユニット60とを準備する。なお、この段階の抵抗回路ユニット60は、抵抗器61のリード62が、図16に示すように、中継端子63のリード接続部65における接続片68とは接続された状態ではなく、接続片68のリード挿通孔69における前側部分に挿通された仮組み状態とされている。
このまま続けて各中継端子63を圧入凹部38内に挿入すると、図15に示すように、リード62が押圧部37に前方から押圧され、リード接続部65の圧接刃70間にリード62が押し込まれてリード62とリード接続部65とが電気的に接続される。つまり、抵抗回路ユニット60を収容部33内に後方から挿入するだけで、抵抗器61のリード62と中継端子63のリード接続部65とが電気的に接続され、抵抗器61に一対の中継端子63が電気的に接続された抵抗回路ユニット60を構成することができる。
また、本実施形態によると、リード62を一対の圧接刃70によって圧接してリード62とリード接続部65の接続片68とを電気的に接続しているから、例えば、リードに弾性的に接触する弾性接触片などをリード接続部に設ける場合に比べて、リード接続部65の構造を簡素化および小型化することができる。
そして、サブハウジング22においてキャビティ28間のデッドスペースに収容部33を設け、その収容部33に小型化した抵抗回路ユニット60を収容しているから、車両側コネクタから引き出された電線間に抵抗回路を設ける場合に比べて、抵抗回路の省スペース化を図ることができる。
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、ハウジング本体21と別体のサブハウジング22とによりハウジング20を構成したが、本発明はこのような態様に限定されるものではなく、例えば、ハウジング本体とサブハウジングとが一体に形成されたハウジングであってもよい。
(2)上記実施形態では、左側に配された車両側信号端子40Bとアース側信号端子40Cとが抵抗回路ユニット60によって接続された構成としたが、本発明はこのような態様に限定されるものではなく、例えば、右側に配された車両側信号端子とアース側信号端子とが抵抗回路ユニットにしてもよい。
(3)上記実施形態では、中継回路ユニットを、抵抗器61を有する抵抗回路ユニット60として構成したが、本発明はこのような態様に限定されるものではなく、例えば、コンデンサやダイオードなどの電子部品を有する中継回路ユニットとして構成してもよい。
20:ハウジング
28:キャビティ
33:収容部
37:押圧部
40:車両側端子
40C:車両側アース端子
40B:車両側信号端子
60:抵抗回路ユニット(中継回路ユニット)
61:抵抗器(電子部品)
62:リード
63:中継端子(第一中継端子、第二中継端子)
64:端子接続部
65:リード接続部
66:繋ぎ部
66A:圧入突起
70:圧接刃
80:充電用コネクタ
83:充電用端子
Claims (8)
- 車両に搭載されたバッテリに接続される車両側コネクタであって、
充電用コネクタが嵌合されるハウジングと、
前記ハウジングに設けられた複数のキャビティに個別に収容され、前記ハウジングと前記充電用コネクタとが嵌合される際に、前記充電用コネクタに設けられた複数の充電用端子と個別に接続される複数の車両側端子と、
前記ハウジングに設けられた収容部に収容され、一端が複数の前記車両側端子のうち一の前記車両側端子に接続され、他端が複数の前記車両側端子のうち前記一端が接続される前記車両側端子とは異なる前記車両側端子に接続される中継回路ユニットと、を備える車両側コネクタ。 - 前記収容部は、前記ハウジングにおいて前記キャビティ間に設けられている請求項1記載の車両側コネクタ。
- 前記中継回路ユニットは、一対のリードを有する電子部品と、一方の前記リードに接続される第一中継端子と、他方の前記リードに接続される第二中継端子とを有しており、
前記中継回路ユニットが前記収容部に収容されると、前記リードが前記収容部内に設けられた押圧部によって押圧されて、前記第一中継端子および前記第二中継端子に設けられたリード接続部に前記リードがそれぞれ接続される請求項1または請求項2記載の車両側コネクタ。 - 前記リード接続部は、前記押圧部に押圧されることにより前記リードが押し込まれて圧接される圧接刃を有している請求項3記載の車両側コネクタ。
- 前記第一中継端子と前記第二中継端子には、前記キャビティ内に張り出す弾性変位可能な端子接続部が設けられており、
前記車両側端子が前記キャビティ内に収容されると、前記車両側端子に前記端子接続部が弾性的に接触する請求項3または請求項4記載の車両側コネクタ。 - 前記第一中継端子と前記第二中継端子には、前記リード接続部と前記端子接続部とを繋ぐ繋ぎ部が設けられており、
前記繋ぎ部には、前記ハウジングに圧入される圧入突起が設けられている請求項5記載の車両側コネクタ。 - 前記電子部品は、抵抗器であって、
前記第一中継端子に接続される前記車両側端子は、車両側アース端子とされ、
前記第二中継端子に接続される前記車両側端子は、車両側信号端子とされている請求項3乃至請求項6の何れか一項に記載の車両側コネクタ。 - 前記第一中継端子と前記第二中継端子とは、同一形状をなしている請求項3乃至請求項7の何れか一項に記載の車両側コネクタ。
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CN105075031A (zh) | 2015-11-18 |
US9543713B2 (en) | 2017-01-10 |
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