CN-115693270-B - Charging connector

Abstract

The invention provides a charging connector, which aims to realize miniaturization of the charging connector. The charging connector includes a stopper (60) which holds a power supply terminal and a signal terminal together with a housing, relay terminals (28A, 28B) which are fixed to the power supply terminal and extend in a direction intersecting with the insertion/extraction direction, and a power line which is electrically connected to the power supply terminal via the relay terminals, wherein the relay terminals (28A, 28B) have 1 st fitting portions (29 Aa, 29 Ba) which are fitted to the power supply terminal, the 1 st fitting portions (29 Aa, 29 Ba) include through holes which penetrate in the insertion/extraction direction, and rotation stop protruding portions (29 Ap, 29Bp1, 29Bp 2) which protrude locally around the through holes in the direction intersecting with the insertion/extraction direction, and the stopper (60) has 1 st protruding portions (64) and 2 nd protruding portions (65) which are in contact with the 1 st rotation stop protruding portions (29 Ap) or the 2 nd rotation stop protruding portions (29 Bp1, 29Bp 2) to restrict rotation of the 1 st relay terminal (28A) or the 2 nd relay terminal (28B).

Inventors

• Jue Tiansheng
• YOSHIDA KOICHI

Assignees

• 住友电装株式会社

Dates

Publication Date

20260512

Application Date

20220715

Priority Date

20210729

Claims (20)

1. 1. A charging connector mounted on a vehicle and fitted to an external charging connector connected to an external power supply of the vehicle, for charging a battery provided in the vehicle, the charging connector comprising: a1 st power supply terminal and a 2 nd power supply terminal for supplying electric power to the battery; a signal terminal; A housing having an opening into which the external charging connector is inserted and removed, and a terminal holding portion that is positioned inside the opening when viewed in the insertion and removal direction of the external charging connector and holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal; A stopper body which is combined with an end portion of the housing on a side opposite to the opening portion and holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal together with the housing; A 1 st relay terminal which is fastened to an end portion of the 1 st power supply terminal on the opposite side from the opening and extends in a direction intersecting the insertion/extraction direction; A2 nd relay terminal which is fastened to an end portion of the 2 nd power supply terminal on the opposite side to the opening portion and extends in a direction intersecting the insertion/extraction direction; a1 st power line electrically connected to the 1 st power supply terminal via the 1 st relay terminal, and A2 nd power line electrically connected to the 2 nd power supply terminal via the 2 nd relay terminal, The 1 st relay terminal has a1 st fitting portion fitted to the 1 st power terminal, the 1 st fitting portion including a1 st through hole penetrating along the insertion/extraction direction, and a1 st rotation stopping protrusion protruding partially around the 1 st through hole in a direction intersecting the insertion/extraction direction, The 2 nd relay terminal has a 2 nd fitting portion fitted to the 2 nd power terminal, the 2 nd fitting portion includes a 2 nd through hole penetrating along the insertion and extraction direction, and a 2 nd rotation stopping protrusion protruding partially around the 2 nd through hole in a direction intersecting the insertion and extraction direction, The stopper body has a 1 st protruding portion and a 2 nd protruding portion, the 1 st protruding portion and the 2 nd protruding portion protrude in the insertion/extraction direction, and contact with the 1 st rotation stopping protruding portion or the 2 nd rotation stopping protruding portion to restrict rotation of the 1 st relay terminal or the 2 nd relay terminal, The 1 st convex portion and the 2 nd convex portion are formed so as to separate the 1 st relay terminal or the 2 nd relay terminal from the signal terminal, as viewed in the plugging direction.
2. 2. The charging connector of claim 1, wherein, The 1 st rotation stop protruding portion and the 2 nd rotation stop protruding portion protrude in a direction different from a portion connected to the 1 st power line or the 2 nd power line, at a portion fastened to the 1 st power terminal or the 2 nd power terminal around the 1 st through hole or the 2 nd through hole.
3. 3. The charging connector according to claim 1 or claim 2, wherein, The 1 st convex portion surrounds the 1 st fitting portion, and the 2 nd convex portion surrounds the 2 nd fitting portion.
4. 4. The charging connector according to claim 1 or claim 2, wherein, The signal terminals further comprise a1 st signal terminal and a 2 nd signal terminal, The 1 st signal terminal is arranged on one side with respect to an arrangement line connecting the center axis of the 1 st power terminal and the center axis of the 2 nd power terminal when viewed in the plugging direction, The 2 nd signal terminal is arranged on the other side with respect to the arrangement line as viewed along the insertion/extraction direction, The 1 st relay terminal includes a1 st power line connection portion connecting the 1 st power line, The 2 nd relay terminal includes a2 nd power line connection portion connecting the 2 nd power line, The 1 st power line connection portion and the 2 nd power line connection portion are disposed at positions such that the 1 st power line and the 2 nd power line extend to one side along the arrangement line, The 1 st relay terminal has a detour portion which is provided between the 1 st fitting portion and the 1 st power line connection portion and extends so as to detour the 1 st signal terminal.
5. 5. The charging connector according to claim 1 or claim 2, wherein, The charging connector further includes an exterior member that covers the stopper, the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal from a side opposite to the opening, The 1 st electric power line and the 2 nd electric power line extend along a straight line extending in a direction intersecting the insertion and extraction direction in the exterior member.
6. 6. The charging connector of claim 5, wherein, A plurality of the signal terminals are provided and, A plurality of signal lines connected to the signal terminals, The plurality of signal lines are bent and bundled into one within the exterior member.
7. 7. The charging connector of claim 5, wherein, The exterior member is a member having elasticity.
8. 8. The charging connector according to claim 1 or claim 2, wherein, A part of one of the 1 st relay terminal and the 2 nd relay terminal includes a plate-like portion along the insertion/extraction direction, The other of the 1 st relay terminal and the 2 nd relay terminal includes a plate-like portion along a direction intersecting the insertion/extraction direction.
9. 9. The charging connector according to claim 1 or claim 2, wherein, A water stop portion is provided at each of the connection portion between the 1 st power line and the 1 st relay terminal and the connection portion between the 2 nd power line and the 2 nd relay terminal.
10. 10. The charging connector of claim 9, wherein, The water stop part is a heat-shrinkable tube.
11. 11. A charging connector mounted on a vehicle and fitted to an external charging connector connected to an external power supply of the vehicle, for charging a battery provided in the vehicle, the charging connector comprising: a1 st power supply terminal and a 2 nd power supply terminal for supplying electric power to the battery; a signal terminal; A housing having an opening into which the external charging connector is inserted and removed, and a terminal holding portion that is positioned inside the opening when viewed in the insertion and removal direction of the external charging connector and holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal; A stopper body which is combined with an end portion of the housing on a side opposite to the opening portion and holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal together with the housing; A 1 st relay terminal which is fastened to an end portion of the 1 st power supply terminal on the opposite side from the opening and extends in a direction intersecting the insertion/extraction direction; A2 nd relay terminal which is fastened to an end portion of the 2 nd power supply terminal on the opposite side to the opening portion and extends in a direction intersecting the insertion/extraction direction; a1 st power line electrically connected to the 1 st power supply terminal via the 1 st relay terminal, and A2 nd power line electrically connected to the 2 nd power supply terminal via the 2 nd relay terminal, The 1 st relay terminal has a1 st fitting portion fitted to the 1 st power terminal, the 1 st fitting portion including a1 st through hole penetrating along the insertion/extraction direction, and a1 st rotation stopping protrusion protruding partially around the 1 st through hole in a direction intersecting the insertion/extraction direction, The 2 nd relay terminal has a 2 nd fitting portion fitted to the 2 nd power terminal, the 2 nd fitting portion includes a 2 nd through hole penetrating along the insertion and extraction direction, and a 2 nd rotation stopping protrusion protruding partially around the 2 nd through hole in a direction intersecting the insertion and extraction direction, The stopper body has a 1 st protruding portion and a 2 nd protruding portion, the 1 st protruding portion and the 2 nd protruding portion protrude in the insertion/extraction direction, and contact with the 1 st rotation stopping protruding portion or the 2 nd rotation stopping protruding portion to restrict rotation of the 1 st relay terminal or the 2 nd relay terminal, A part of one of the 1 st relay terminal and the 2 nd relay terminal includes a plate-like portion along the insertion/extraction direction, The other of the 1 st relay terminal and the 2 nd relay terminal includes a plate-like portion along a direction intersecting the insertion/extraction direction.
12. 12. The charging connector of claim 11, wherein, The 1 st rotation stop protruding portion and the 2 nd rotation stop protruding portion protrude in a direction different from a portion connected to the 1 st power line or the 2 nd power line, at a portion fastened to the 1 st power terminal or the 2 nd power terminal around the 1 st through hole or the 2 nd through hole.
13. 13. The charging connector according to claim 11 or claim 12, wherein, The 1 st convex portion surrounds the 1 st fitting portion, and the 2 nd convex portion surrounds the 2 nd fitting portion.
14. 14. The charging connector according to claim 11 or claim 12, wherein, The signal terminals further comprise a1 st signal terminal and a 2 nd signal terminal, The 1 st signal terminal is arranged on one side with respect to an arrangement line connecting the center axis of the 1 st power terminal and the center axis of the 2 nd power terminal when viewed in the plugging direction, The 2 nd signal terminal is arranged on the other side with respect to the arrangement line as viewed along the insertion/extraction direction, The 1 st relay terminal includes a1 st power line connection portion connecting the 1 st power line, The 2 nd relay terminal includes a2 nd power line connection portion connecting the 2 nd power line, The 1 st power line connection portion and the 2 nd power line connection portion are disposed at positions such that the 1 st power line and the 2 nd power line extend to one side along the arrangement line, The 1 st relay terminal has a detour portion which is provided between the 1 st fitting portion and the 1 st power line connection portion and extends so as to detour the 1 st signal terminal.
15. 15. The charging connector according to claim 11 or claim 12, wherein, The 1 st convex portion and the 2 nd convex portion are formed so as to separate the 1 st relay terminal or the 2 nd relay terminal from the signal terminal, as viewed in the plugging direction.
16. 16. The charging connector according to claim 11 or claim 12, wherein, The charging connector further includes an exterior member that covers the stopper, the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal from a side opposite to the opening, The 1 st electric power line and the 2 nd electric power line extend along a straight line extending in a direction intersecting the insertion and extraction direction in the exterior member.
17. 17. The charging connector of claim 16, wherein, A plurality of the signal terminals are provided and, A plurality of signal lines connected to the signal terminals, The plurality of signal lines are bent and bundled into one within the exterior member.
18. 18. The charging connector of claim 16, wherein, The exterior member is a member having elasticity.
19. 19. The charging connector according to claim 11 or claim 12, wherein, A water stop portion is provided at each of the connection portion between the 1 st power line and the 1 st relay terminal and the connection portion between the 2 nd power line and the 2 nd relay terminal.
20. 20. The charging connector of claim 19, wherein, The water stop part is a heat-shrinkable tube.

Description

Charging connector Technical Field The present disclosure relates to charging connectors. Background Patent document 1 discloses a charging socket including a cylindrical portion, a case fitted to a base end portion of the cylindrical portion, and an end cap fitted to the case. A plurality of terminals electrically connected to the terminals of the external connector are provided inside the cylindrical portion. The terminals are electrically connected to the battery via wires passing through the case and the end cap. Prior art literature Patent literature Patent document 1 Japanese patent application laid-open No. 2020-83130 Disclosure of Invention Problems to be solved by the invention As a wiring for connecting the terminal and the battery, a power line is used. The power line is thicker than the signal line, and thus the bending radius is liable to become large. Therefore, when the power line is bent in the end cover according to the lead-out direction of the wiring, a space for accommodating the bent power line needs to be secured in the end cover. Here, miniaturization of the charging socket is required. Accordingly, an object of the present disclosure is to achieve miniaturization of a charging connector. Means for solving the problems The disclosed charging connector is mounted on a vehicle and is fitted to an external charging connector connected to an external power supply of the vehicle, and is used for charging a battery provided in the vehicle, and comprises a1 st power supply terminal and a2 nd power supply terminal for supplying electric power to the battery, a signal terminal, a housing having an opening through which the external charging connector is inserted and removed, and a terminal holding portion that is located inside the opening when viewed in the insertion/removal direction of the external charging connector, holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal, a stopper that holds the 1 st power supply terminal, the 2 nd power supply terminal, and the signal terminal together with the housing, a1 st relay terminal that is fastened to an end portion on the side opposite to the opening in the insertion/removal direction, a relay 2 nd relay terminal that extends in a direction crossing the insertion/removal direction, a relay terminal that is fastened to the relay terminal, and a side opposite to the insertion/removal direction, a1 st relay terminal that is fastened to the relay terminal, and a1 st relay terminal that is fitted to the power supply terminal in the housing, and a1 st relay terminal that is fitted to the power supply terminal, and a1 st relay terminal that is inserted and a power supply terminal that is partially inserted and removed from the power supply terminal in the vehicle, wherein the relay connector is fitted to the power supply terminal, the 2 nd relay terminal has a2 nd fitting portion fitted to the 2 nd power terminal, the 2 nd fitting portion including a2 nd through hole penetrating along the insertion/extraction direction and a2 nd rotation stopping protrusion protruding partially around the 2 nd through hole in a direction intersecting the insertion/extraction direction, the stopper having a1 st protrusion and a2 nd protrusion, the 1 st protrusion and the 2 nd protrusion protruding in the insertion/extraction direction and coming into contact with the 1 st rotation stopping protrusion or the 2 nd rotation stopping protrusion, respectively, to restrict rotation of the 1 st relay terminal or the 2 nd relay terminal. Effects of the invention According to the present disclosure, the charging connector can be miniaturized. Drawings Fig. 1 is a plan view showing a charging connector according to embodiment 1 and an assembly method thereof. Fig. 2 is a perspective view showing the charging connector of embodiment 1. Fig. 3 is an exploded perspective view showing the charging connector of embodiment 1. Fig. 4 is a front view showing the charging connector of embodiment 1. Fig. 5 is a sectional view taken along line V-V of fig. 4. Fig. 6 is a diagram illustrating the power supply terminal, the terminal-equipped wire, and their storage positions. Fig. 7 is a diagram illustrating the wire paths in the charging connector. Fig. 8 is an explanatory diagram showing a power supply terminal. Fig. 9 is a perspective view showing the stopper and the relay terminal. Fig. 10 is a rear view showing the relationship between the wall of the stopper and the 1 st relay terminal and the 2 nd relay terminal. Fig. 11 is a rear view showing a charging connector of a modification. Detailed Description [ Description of embodiments of the present disclosure ] Embodiments of the present disclosure will be first described. The charging connector of the present disclosure is as follows. (1) A charging connector mounted on a vehicle and fitted to an external charging connector connected to an external power supply of the vehicle, the charging connecto