JP2016072003A - Power supply connector for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhibit water leakage from portions of cylindrical components.SOLUTION: A power supply connector for a vehicle includes: an inlet body 30 provided with a fitting part 31 which may fit in a mating connector while housing a terminal fitting; a first attachment plate 40 which is provided so as to extend to the outer side of the inlet body 30 and attached to a body B of a vehicle; a first cylindrical component 43 which is provided at the first attachment plate 40, enables a bolt 80 to be inserted thereinto, and is made of a metal; a second attachment plate 60 provided with a through hole 63 which may expose the inlet body 30 to the outside of the vehicle; a second cylindrical component 71 which is provided at the second attachment plate 60, enables the bolt 80 to be inserted thereinto, and is made of a metal; and a seal member 50 which is disposed between the first attachment plate 40 and the second attachment plate 60 and may seal peripheries of the first cylindrical component 43 and the second cylindrical component 71.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vehicle power supply connector provided in an electrically driven vehicle.

  In an electric vehicle or a plug-in hybrid vehicle, charging of a vehicle battery is performed by connecting a charging connector connected to a power source to a vehicle power supply connector connected to the battery. As such a vehicle power supply connector, for example, a vehicle-side connector described in Japanese Patent Application Laid-Open No. 2012-243467 (Patent Document 1 below) is known. The housing of the vehicle-side connector includes a mounting plate that is bolted to the outer panel, and an inner cylinder that houses the terminal fitting in a form that penetrates the mounting plate. Metal collars are press-fitted into the four corners of the mounting plate, and bolts are inserted through the collars to fasten the housing to the outer panel.

JP 2012-243467 A

  In a connector such as the vehicle-side connector described above, a cover member may be fixed in order to provide a display unit or the like or improve design. When the cover member is fastened to the body, it is necessary to provide the cover member with a metal collar that can be fastened together with the mounting plate in order to fasten the bolt. And when fixing a cover member and a housing, the structure which abuts the collar of a housing and the collar of a cover member, inserts these in one bolt, and fastens to a body by fastening together is considered.

  By the way, when the vehicle power supply connector is exposed to the outside such as during charging and water enters from the outside of the vehicle, water may enter from the collar. Then, the water that has entered from the collar of the cover member leaks from the gap between the collar of the cover member and the collar of the housing, and may wet the back surface of the cover member or the inside of the body.

  The vehicle power supply connector disclosed in the present specification is provided so as to protrude to the outside of the inlet main body provided with a fitting portion that can be fitted to the mating connector while accommodating the terminal fitting. A first mounting plate attached to the body of the vehicle, a first metal tubular part provided on the first mounting plate through which a bolt can be inserted, and a through hole through which the inlet body can be exposed to the outside of the vehicle. The second mounting plate, the second mounting plate provided on the second mounting plate and made of metal that can be inserted through the bolt, and the first mounting plate and the second mounting plate, A first tubular part and a seal member capable of sealing the periphery of the second tubular product member are provided.

  According to such a configuration, the sealing member is disposed between the first mounting plate and the second mounting plate, so that water that has entered from the second cylindrical member is the first cylindrical component and the second cylindrical component. The sealing member can stop leakage from the abutting surface.

The vehicle power supply connector disclosed in the present specification may have the following configuration.
The seal member may include an inlet seal portion that follows the outer peripheral shape of the inlet body, and an overhang seal portion that projects from the inlet seal portion toward the first and second tubular components.
According to such a configuration, the sealing of the inlet main body and the sealing of the cylindrical part can be performed at a time, and the number of parts and work processes are reduced.

The overhang seal portion is provided with an insertion hole through which the first and second cylindrical parts can be inserted, and a lip portion is provided on both sides of the periphery of the insertion hole. Good.
According to such a configuration, since the lip portion is crushed from both sides by the first mounting plate and the second mounting plate, the sealed state can be maintained.

  According to the vehicle power supply connector disclosed in the present specification, it is possible to suppress water leakage from the cylindrical part.

Front view of vehicle power supply connector Rear view of vehicle power supply connector III-III line sectional view in FIG. 3 is an enlarged cross-sectional view of the collar portion of FIG. Rear view of cover member Front view of inlet

<Embodiment>
The embodiment will be described with reference to the drawings of FIGS. The vehicle power supply connector 10 of this embodiment is connected to a battery (not shown) mounted on the vehicle via an electric wire, and a charging gun (not shown) connected to the charger is fitted from the front. Then, the battery is charged by energizing the charging gun in a state of being normally fitted to the vehicle power supply connector 10. In the following description, the side on which the charging gun is inserted is the front side of the vehicle power supply connector 10.

  The vehicle power supply connector 10 includes an inlet 20 into which a charging gun can be fitted, and a cover member 60 disposed on the front side of the inlet 20. The inlet 20 includes an inlet main body 30 provided with a cylindrical portion 31 that fits with a charging gun, and a first mounting plate 40 that projects from the inlet main body 30 to the outer peripheral side.

  As shown in FIG. 6, the inlet main body 30 includes a cylindrical portion 31 that has a substantially cylindrical shape, a lock locking portion 33 that locks the lock portion of the charging gun, a cylindrical portion 31, and a lock locking portion 33. And a peripheral wall 37 that surrounds the outer periphery of the cylindrical portion 31 and the lock engaging portion 33. The boundary wall 35 and a part of the outer peripheral wall 37 continuously form a substantially circular inner peripheral surface, and the hood portion of the charging gun is provided between the inner peripheral surface and the outer peripheral surface of the cylindrical portion 31. Is allowed to enter. Further, the lock engaging portion 33 is provided in a form protruding from the upper surface of the boundary wall 35 in a gate shape.

  As shown in FIGS. 1 and 2, the cylindrical portion 31 is provided with a plurality of accommodating cylinders 31 </ b> A capable of accommodating terminal fittings (not shown). The water that has entered the housing cylinder 31A from the front side (design surface side) of the vehicle power supply connector 10 is drained from the drain hole 31B provided at the lower rear end of the housing cylinder 31A and provided at the lower rear portion of the inlet body 30. It is drained from the pipe 39 to the outside.

  As shown in FIG. 6, the first mounting plate 40 is configured to project radially outward from the cylindrical portion 31, and includes a pair of left and right flange portions 41 </ b> A projecting obliquely downward from the cylindrical portion 31, and lock engagement It consists of four flange portions 41 with a pair of left and right flange portions 41B projecting from the portion 33 to the left and right sides. Each flange portion 41 has a substantially triangular shape.

  A metal body mounting collar 43 made of metal is fixed to the tip of each flange portion 41. On the other hand, a metal cover mounting collar 45 is also fixed to the base end portion of each flange portion 41. Both the vehicle body mounting collar 43 and the cover mounting collar 45 are configured to penetrate the first mounting plate 40 in the plate thickness direction, and the dimension in the front-rear direction is longer than the plate thickness of the first mounting plate 40. ing. Further, as shown in FIG. 3, the vehicle body mounting collar 43 is widened so that the rear side is slightly wider. The vehicle body mounting collar 43 and the cover mounting collar 45 are integrally formed by insert molding on the first mounting plate 40.

  As shown in FIG. 1, the cover member 60 includes a cover main body 61 having a mounting hole 63 in which the inlet main body 30 is accommodated, and a second mounting plate 70 projecting to the outer peripheral side of the cover main body 61. ing. A charging indicator (not shown) for displaying a charging state or the like can be provided between the inner peripheral surface of the mounting hole 63 and the outer peripheral edge of the cover main body 61.

  The cover main body 61 has a substantially circular shape, and projects forward from the second mounting plate 70. The cover body 61 protrudes to a position that is substantially flush with the outer peripheral wall 37 of the inlet body 30. In addition, a peripheral wall 65 (see FIG. 5) is erected on the periphery of the mounting hole 63 toward the rear. Then, when the inlet main body 30 is accommodated in the mounting hole 63, a cover main body 61 is disposed around the inlet main body 30 as shown in FIG. 1. Further, as shown in FIG. 5, a plurality of fixing nuts 67 are fixed to the rear surface side of the cover main body 61 so as to stand rearward by fixing means such as press fitting.

  As shown in FIG. 1, the second mounting plate 70 has a substantially square shape as a whole. Metal cover member side collars 71 are respectively fixed to the four corners of the second mounting plate 70. As shown in FIG. 3, the cover member side collar 71 is configured to penetrate the second mounting plate 70 in the plate thickness direction, and the dimension in the front-rear direction is longer than the plate thickness of the second mounting plate 70. Yes. The cover member side collar 71 is widened so that the front side is slightly wider. The cover member side collar 71 is fixed by being press-fitted into the second mounting plate 70.

  As shown in FIGS. 3 to 5, the seal member 50 is sandwiched between the inlet 20 and the cover member 60, and the gap between the inlet 20 and the cover member 60 is sealed. As shown in FIG. 5, the seal member 50 includes an inlet seal portion 51 that follows the outer peripheral shape of the inlet main body 30, and a protruding seal portion 53 that projects radially outward. The inlet seal portion 51 has a width extending from the inner edge to the outer edge of the peripheral wall 65, is sandwiched between the peripheral wall 65 and the inlet 20, and seals between the peripheral wall 65 and the inlet 20.

  As shown in FIG. 5, the overhang seal portion 53 has a substantially triangular shape, and has a flat plate shape slightly thinner than the inlet seal portion 51. Each overhanging seal portion 53 can be inserted with a cover mounting collar 45 (see FIG. 2) and a fixing nut 67 and a positioning hole 55 for positioning the seal member 50 and a cover member side collar 71. An insertion hole 57 is provided. The inner diameter of the collar insertion hole 57 is larger than the outer diameter of the cover member side collar 71 and smaller than the outer diameter of the vehicle body mounting collar 43 as shown in FIG. The overhang seal portion 53 is positioned at two locations by the positioning hole 55 being inserted through the fixing nut 67 and the collar insertion hole 57 being inserted through the cover member side collar 71. A lip portion 57 </ b> A is provided on both sides of the periphery of the collar insertion hole 57.

  As shown in FIG. 4, a bolt 80 is erected on the rear surface of the body B so as to protrude rearward. The bolt 80 of this embodiment is a stud bolt that is fixed to the body B in advance, and has a shaft portion 81. The shaft portion 81 is inserted into the cover member side collar 71 and the vehicle body mounting collar 43 from the front, and a nut 85 is screwed into a portion protruding rearward from the vehicle body mounting collar 43.

  A mounting bolt is inserted into the cover mounting collar 45 of the inlet 20 from behind, and a portion protruding forward from the cover mounting collar 45 is screwed into a fixing nut 67 of the cover member 60. Along with this screwing, the front end portion of the cover mounting collar 45 comes into contact with the rear surface of the fixing nut 67, and the inlet 20 and the cover member 60 are fixed by metal touch.

  The present embodiment is configured as described above, and its operation will be described subsequently. As shown in FIG. 5, the seal member 50 is disposed on the cover member 60 at a predetermined position. Then, mounting bolts are inserted into the respective cover mounting collars 45 from the rear, and screwed into and fixed to the respective fixing nuts 67 as shown in FIG. 2, whereby a seal is provided between the cover member 60 and the inlet 20. The vehicle power supply connector 10 is completed with the member 50 sandwiched therebetween.

  Thereafter, as shown in FIG. 4, when the vehicle power supply connector 10 is assembled to the vehicle body B from the rear, each bolt 80 passes through each cover member side collar 71 and the vehicle body mounting collar 43, and the shaft The tip of the portion 81 is in a state of protruding backward. Here, when each nut 85 is screwed into each bolt 80, each nut 85 comes into contact with the rear end portion of each vehicle body mounting collar 43, and the front surface of each vehicle body mounting collar 43 faces each cover member side. The nuts 85 are brought into contact with the rear surface of the collar 71 and the front end portions of the cover member side collars 71 are in contact with the body B, and the screwing of the nuts 85 is stopped. Thus, the vehicle power supply connector 10 is fixed to the body B by metal touch. Further, when the bolt is fastened, the lip portion 57A provided on the periphery of the collar insertion hole 57 of the seal member 50 is sandwiched between the second mounting plate 70 and the vehicle body mounting collar 43 and is crushed. The space between the mounting plate 70 and the vehicle body mounting collar 43 is sealed.

  Thus, when the vehicle power supply connector 10 is fixed to the body B, the cover body 61 of the cover member 60 shown in FIG. 1 is exposed to the outside of the vehicle, and the second mounting plate 70 is covered with the body B. If water is applied to the inlet main body 30 from the front (design surface side) of the vehicle power supply connector 10, water may enter between the outer peripheral surface of the cover main body 61 of the cover member 60 and the body B. Yes (the entry path is indicated by arrows in FIGS. 3 and 4). Water that has entered between the outer peripheral surface of the cover main body 61 of the cover member 60 and the body B enters the rear of the outer peripheral surface and inner peripheral surface of the cover member-side collar 71 along the surface of the second mounting plate 70. . As shown in FIG. 4, the water that has traveled along the outer peripheral surface of the cover member-side collar 71 tends to fall into the body from between the second mounting plate 70 and the first mounting plate 40. Further, the water that has traveled along the inner peripheral surface of the cover member-side collar 71 tends to leak into the body and the like from the contact surface between the cover member-side collar 71 and the vehicle body mounting collar 43. However, since the seal member 50 is sandwiched between the first mounting plate 40 and the second mounting plate 70 and surrounds the periphery of the cover member-side collar 71, water does not leak out. Further, since the lip portion 57A provided at the periphery of the collar insertion hole 57 is in close contact with the cover member 60 and the vehicle body mounting collar 43, water can be stopped more reliably.

  As described above, according to the present embodiment, the inlet 20, the cover member 60, and the body B are fixed by metal touch. Further, while the body mounting collar 43 and the cover member side collar 71 are also fixed by metal touch, the protruding seal portion 53 prevents water from leaking from the space. Therefore, even when an LED or the like is arranged around the inlet main body 30 (cover main body 61) and an electrical board is arranged below the cover member-side collar 71, it leaks out from the cover member-side collar 71. There is no risk of getting wet by water.

The technology disclosed in the present specification is not limited to the embodiments described with reference to the above description and drawings, and includes, for example, the following various aspects.
(1) In the above embodiment, the collar insertion hole 57 provided in the inlet seal portion 51 and the overhanging seal portion 53 is integrated, but O- A ring or the like may be fitted to waterproof the periphery of the cover member side collar 71 or the vehicle body mounting collar 43.

  (2) In the above embodiment, the overhanging seal portion 53 is sandwiched between the second mounting plate 70 and the front surface of the vehicle body mounting collar 43, but between the second mounting plate 70 and the first mounting plate 40. It may be held between the peripheral edge portions of the body mounting collar 43.

  (3) In the above embodiment, the lip portion 57A is provided on the periphery of the collar insertion hole 57, but it may not be provided. In that case, the overhanging seal portion 53 may be made thick overall.

  (4) In the above embodiment, the cylindrical vehicle body mounting collar 43 and the cover member side collar 71 are illustrated as the cylindrical parts, but a rectangular cylindrical metal collar may be used as the cylindrical part.

  (5) Although the bolt and nut are illustrated in the above embodiment, a pair of nuts are screwed into one shaft portion, and the vehicle body mounting collar 43 and the cover member side collar 71 are interposed between the pair of nuts. It may be sandwiched. Further, the bolt may not be a stud bolt fixed to the body B, and a bolt hole may be provided in the body, and the bolt may be inserted into the bolt hole from the front.

  (6) In the above embodiment, although the four vehicle body mounting collars 43 and the cover member side collars 71 are fixed to the four corners of the first mounting plate 40 and the second mounting plate 70, the first mounting plate 40 and the second mounting plate 40 The two vehicle body mounting collars 43 and the cover member side collar 71 may be fixed at positions diagonal to the mounting plate 70.

  (7) In the above embodiment, the vehicle power supply connector 10 is attached to the body B from the rear, but may be attached to the body B from the front. In that case, since the cover member side collar 71 is exposed, further waterproofing is required.

DESCRIPTION OF SYMBOLS 10 ... Vehicle power supply connector 20 ... Inlet 30 ... Inlet main body 37 ... Outer peripheral wall 40 ... 1st attachment plate 41 ... Flange part 43 ... Collar for vehicle body attachment (1st cylindrical component)
45 ... Cover mounting collar 50 ... Seal member 51 ... Inlet seal portion 53 ... Overhang seal portion 57 ... Color insertion hole 57A ... Lip portion 60 ... Cover member (second mounting plate)
61 ... Cover body 70 ... Second mounting plate 71 ... Cover member side collar (second cylindrical part)
80 ... Bolt B ... Body

Claims (3)

An inlet body provided with a fitting portion capable of fitting with a mating connector while accommodating a terminal fitting;
A first mounting plate that is provided so as to project outside the inlet body and is attached to a vehicle body;
A metal first tubular part provided on the first mounting plate and capable of inserting a bolt;
A second mounting plate provided with a through-hole capable of exposing the inlet body to the outside of the vehicle;
A metal second tubular part provided on the second mounting plate and capable of inserting the bolt;
A vehicle power supply connector comprising: a seal member disposed between the first mounting plate and the second mounting plate and capable of sealing a periphery of the first cylindrical component and the second cylindrical component.   2. The vehicle according to claim 1, wherein the seal member includes an inlet seal portion that follows an outer peripheral shape of the inlet body, and an overhang seal portion that projects from the inlet seal portion toward the first and second cylindrical components. Power supply connector.   3. The overhang seal portion is provided with an insertion hole through which the first and second tubular parts can be inserted, and lip portions are provided on both sides of the periphery of the insertion hole. The vehicle power supply connector according to 1.

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