Charging inlet

Abstract

To reduce costs associated with assembly while suppressing loosening of a fastening member when an electric wire moves.SOLUTION: A charging inlet 10 according to the present disclosure includes a first terminal having a terminal body 31 extending in the front-to-rear direction, a second terminal connected to the rear end of the terminal body 31, a fastening member for fastening the second terminal to the first terminal, an electric wire 61 connected to the second terminal and drawn out in a direction intersecting the front-to-rear direction, a housing 20 having a terminal accommodating portion 24 into which the first terminal is inserted from the rear, and a retainer 50 for preventing the first terminal inserted into the terminal accommodating portion 24 from coming out, and a locking portion is formed on the outer peripheral surface of the terminal body 31, and a locked portion that is locked to the locking portion is formed on the retainer 50, and when the fastening member is fastened, one circumferential end 35A of the locking portion or locked portion locks to the locked portion or locking portion, thereby preventing the first terminal from rotating, and a gap S is formed between the other end 35B and the locked portion or locking portion.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a charging inlet. [Background technology]

[0002] A charging connector described in JP 2023-19474 A (Patent Document 1 below) is known as a charging inlet that is attached to the body of a vehicle. This charging connector includes a terminal, an electric wire, and a housing. The terminal includes a power terminal and a relay terminal connected to the power terminal. The relay terminal is fastened to the power terminal with a screw. When fastening, the power terminal is set in a fastening jig, and a retainer is attached to the fastening jig to hold the power terminal in a state where it is prevented from rotating. In this state, the relay terminal is placed on the rear end of the power terminal, and the power terminal and the relay terminal are connected by fastening the screw. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2023-19474 Summary of the Invention [Problem to be solved by the invention]

[0004] However, with the above-described charging inlet, after the screws are fastened, the terminals and retainer must be removed from the fastening jig before being assembled into the housing. Furthermore, when the electric wire moves, the relay terminals tend to rotate due to the movement of the electric wire, whereas the power terminals are prevented from rotating within the housing, which can cause the relay terminals to rotate relative to the power terminals, potentially loosening the screws. [Means for solving the problem]

[0005] The charging inlet of the present disclosure includes a first terminal having a terminal body extending in a front-to-rear direction, a second terminal connected to a rear end of the terminal body, a fastening member that fastens the second terminal to the first terminal, an electric wire connected to the second terminal and drawn out in a direction intersecting the front-to-rear direction, a housing having a terminal accommodating portion into which the first terminal is inserted from the rear, and a retainer that prevents the first terminal inserted into the terminal accommodating portion from coming out, wherein a locking portion is formed on the outer peripheral surface of the terminal body, and a locked portion that locks with the locking portion is formed on the retainer, and when the direction intersecting the front-to-rear direction on the outer peripheral surface of the terminal body is defined as a circumferential direction, when the fastening member is fastened, one end of the locking portion or the locked portion in the circumferential direction locks with the locked portion or the locking portion, thereby preventing the first terminal from rotating, and a gap is formed between the other end of the locking portion and the locked portion or the locking portion. [Effects of the Invention]

[0006] According to the present disclosure, it is possible to reduce the cost associated with assembly while suppressing the fastening member from loosening when the electric wire moves. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 is a perspective view of a charging inlet according to an embodiment. [Figure 2] FIG. 2 is an exploded perspective view of the charging inlet of FIG. [Figure 3] FIG. 3 is a side view of the charging inlet of FIG. [Figure 4] FIG. 4 is a rear view of the charging inlet of FIG. [Figure 5] FIG. 5 is a cross-sectional view taken along line BB in FIG. [Figure 6] FIG. 6 is a perspective view of an electric wire with a terminal. [Figure 7] FIG. 7 is a perspective view of the housing. [Figure 8] FIG. 8 is a front perspective view of the retainer. [Figure 9] FIG. 9 is a rear perspective view of the retainer. [Figure 10] FIG. 10 is a rear view of the housing. [Figure 11] FIG. 11 is a rear view showing a state in which the power terminal is inserted into the housing of FIG. [Figure 12] 12 is a rear view showing a state in which a retainer is attached to the housing of FIG. 11. FIG. [Figure 13] FIG. 13 is a cross-sectional view taken along the line AA in FIG. [Figure 14] FIG. 14 is an enlarged cross-sectional view of a part of FIG. [Figure 15] FIG. 15 is a perspective view showing a state in which the retainer is prevented from rotating. DETAILED DESCRIPTION OF THE INVENTION

[0008] [Description of the embodiments of the present disclosure] First, embodiments of the present disclosure will be listed and described. [1] The charging inlet of the present disclosure comprises a first terminal having a terminal body extending in a front-to-rear direction, a second terminal connected to a rear end of the terminal body, a fastening member fastening the second terminal to the first terminal, an electric wire connected to the second terminal and drawn out in a direction intersecting the front-to-rear direction, a housing having a terminal accommodating portion into which the first terminal is inserted from the rear, and a retainer that prevents the first terminal inserted into the terminal accommodating portion from coming out, wherein a locking portion is formed on the outer peripheral surface of the terminal body, and a locked portion that locks with the locking portion is formed on the retainer, and when the direction intersecting the front-to-rear direction on the outer peripheral surface of the terminal body is defined as a circumferential direction, when the fastening member is fastened, one end of the locking portion or the locked portion in the circumferential direction locks with the locked portion or the locking portion, thereby preventing the first terminal from rotating, and a gap is formed between the other end of the locking portion and the locked portion or the locking portion.

[0009] After the first terminal is inserted into the terminal accommodating portion from the rear, the retainer is attached to the housing, preventing the first terminal from coming loose. After the second terminal is set at the rear end of the terminal body and fastened to the first terminal with a fastening member, the first terminal attempts to rotate together with the fastening member, but this rotation is prevented by one end of the locking portion or locked portion locking into the locked portion or locking portion. Furthermore, if the electric wire moves while the second terminal is fastened to the first terminal, the second terminal rotates together with the electric wire, but because there is a gap between the other end of the second terminal and the other end of the locked portion or locking portion, the first terminal also rotates together with the second terminal. This prevents the fastening between the first and second terminals from loosening.

[0010] Furthermore, since there is no need to fasten the first terminal and the second terminal using a fastening jig as in the past, the charging inlet can be easily assembled, and assembly costs can be reduced.

[0011] [2] In the above item [1], it is preferable that the first terminal is prevented from coming off by a front end of the locking portion being locked from behind by a front end of the locking portion. Since the first terminal can be prevented from coming off by the locking portion and the locked portion, there is no need to provide a separate locking structure in addition to the locking portion and the locked portion, which simplifies the configuration.

[0012] [3] In the above [1] or [2], it is preferable that the device further includes a wire cover attached to the rear of the retainer and a rubber stopper, the rubber stopper having a through hole for passing the wire, and the wire cover having a rubber stopper attachment portion for accommodating the rubber stopper with the wire passed through the through hole. According to this configuration, the rubber plug can suppress movement of the electric wire, which further facilitates preventing loosening of the fastened state between the first terminal and the second terminal.

[0013] [Details of the embodiments of the present disclosure] The following describes embodiments of the present disclosure. The present disclosure is not limited to these examples, but is defined by the claims, and is intended to include all modifications within the meaning and scope of the claims. In the drawings, for the sake of convenience, some components may be exaggerated or simplified. Furthermore, the dimensional ratios of the components may differ between drawings. In this specification, "orthogonal" does not only refer to a strict orthogonal relationship, but also includes a roughly orthogonal relationship within the scope of the operation and effect of the present embodiment.

[0014] In addition, "facing" in this specification refers to surfaces or components facing each other, and includes not only cases where they are completely facing each other, but also cases where they are partially facing each other. In addition, "facing" in this specification includes both cases where a component separate from the two components is interposed between the two components, and cases where nothing is interposed between the two components.

[0015] <Embodiment> An embodiment of the present disclosure will be described with reference to Figures 1 to 15. In the following description, the direction indicated by arrow Z is defined as upward, the direction indicated by arrow X as backward, and the direction indicated by arrow Y as leftward. The forward-backward direction is an example of a first direction. The up-down direction is an example of a second direction. Note that, for multiple identical components, only some of the components may be designated by reference numerals, and the reference numerals for the other components may be omitted.

[0016] (Charging inlet 10) As shown in Figures 1 and 2, the charging inlet 10 of this embodiment is configured to include a housing 20, a plurality of power terminals 30, a plurality of signal terminals 40, a retainer 50, a plurality of terminal-equipped wires 60, and a wire cover 80.

[0017] (Housing 20) The housing 20 is made of synthetic resin and has a mating portion 21 that can be mated with a mating connector in the front-to-rear direction. The mating portion 21 has multiple cavities 22 formed therein that accommodate multiple terminals 30, 40 from the rear. A back wall 23 of the mating portion 21 has multiple cylindrical terminal accommodating portions 24 that protrude forward and rearward. Each cavity 22 is formed inside the corresponding terminal accommodating portion 24.

[0018] As shown in Figure 7, a cylindrical mounting tube 25 is formed on the rear surface of the housing 20. Each terminal accommodating portion 24 is disposed inside the mounting tube 25. A plurality of inner fixing portions 26 are formed inside the mounting tube 25 on the rear surface of the housing 20, and a plurality of outer fixing portions 27 are formed outside the mounting tube 25. Each fixing portion 26, 27 can be fastened with, for example, a tapping screw. A pair of anti-rotation pieces 28 is formed on both the left and right sides of the inner circumferential surface of the mounting tube 25.

[0019] (30 power terminals, 40 signal terminals) As shown in Figure 2, the power terminal 30 and the signal terminal 40 are female terminals that are cylindrical overall and open forward. The power terminal 30 is a terminal for large currents and is larger than the signal terminal 40. These terminals 30, 40 are sometimes called slotted terminals. Because the signal terminal 40 has almost the same shape as the power terminal 30, the configuration of the power terminal 30 will be described below as a representative. The power terminal 30 corresponds to the "first terminal" in this disclosure.

[0020] As shown in Fig. 6, the power terminal 30 includes a substantially cylindrical terminal body 31 and a plurality of contact pieces 32 extending forward from the front end of the terminal body 31. A slit is formed between each pair of adjacent contact pieces 32. Each contact piece 32 is elastically deformable. When a pin of a mating male terminal enters each contact piece 32, each contact piece 32 is deformed outward to elastically contact the pin.

[0021] A pair of front and rear grooves 33, 34 are formed on the outer periphery of the terminal body 31. The front groove 33 is located at the front end of the terminal body 31 and continues to the rear of the base ends of the contact pieces 32. The rear groove 34 is located near the center of the terminal body 31 in the front-to-rear direction. A recess 35 is formed behind the rear groove 34 on the outer periphery of the terminal body 31. The recess 35 is formed to extend rearward from the rear groove 34.

[0022] As shown in Fig. 5, a threaded hole 36 is formed inside the terminal body 31. The threaded hole 36 is formed to open to the rear. A female thread is formed on the inner peripheral surface of the threaded hole 36. A bolt 37 can be screwed into the threaded hole 36. A male thread is formed on the shaft of the bolt 37. A bus bar terminal 70 (described later) of the terminal-attached electric wire 60 is placed on the rear end of the terminal body 31 and fastened with the bolt 37.

[0023] (Terminal-attached wire 60) The electric wire with terminal 60 includes an electric wire 61 and a bus bar terminal 70. The electric wire 61 is a well-known electric wire having a core wire covered with an insulating coating. The bus bar terminal 70 includes a flat wire connection portion 71 to which the core wire of the electric wire 61 is welded, and a terminal connection portion 72 arranged perpendicular to the electric wire connection portion 71. A bolt hole 73 is formed in the terminal connection portion 72 through which the shank of the bolt 37 passes. The terminal connection portion 72 is placed on the rear end of the power terminal 30, and the bolt hole 73 and the screw hole 36 are arranged coaxially, and then the shank of the bolt 37 is threaded into the screw hole 36 through the bolt hole 73. The bus bar terminal 70 corresponds to a "second terminal" in this disclosure.

[0024] 3, the electric wire 61 is drawn out in a direction perpendicular to the mating direction with the mating connector. Because the electric wire 61 is a thick electric wire, for example, about 1.25 sq., if the electric wire 61 is connected to the power terminal 30 and bent at a right angle to be drawn out, the bending radius becomes large, making the electric wire 61 longer in the front-to-rear direction, and it becomes impossible to fit the electric wire 61 into the electric wire cover 80. For this reason, by fastening the power terminal 30 and the bus bar terminal 70 with bolts 37, it becomes possible to draw out the electric wire 61 in a direction perpendicular to the mating direction with the mating connector.

[0025] (Retainer 50) As shown in Figures 8 and 9, the retainer 50 has a retainer body 52 on which multiple cylindrical retaining portions 51 are formed, protruding forward. A pair of upper and lower protrusions 53 extending in the front-to-rear direction is formed on the inner peripheral surface of the retaining portions 51. In addition to the retaining portions 51, the retainer body 52 is also formed with multiple retaining protrusions 54 that protrude forward in a generally C-shape. The retaining protrusions 54 are formed integrally with slits 55 cut out toward the outer periphery of the retainer body 52. ​​Electric wires connected to the signal terminals 40 are guided through the slits 55 into the retaining protrusions 54.

[0026] The retainer body 52 is formed with a plurality of fixing holes 56 penetrating in the front-rear direction. Furthermore, a pair of left and right notches 57 are formed on the outer periphery of the retainer body 52. ​​As shown in FIG. 15 , the retainer 50 is attached to the mounting tubular portion 25 of the housing 20 from the rear. At this time, the pair of anti-rotation pieces 28 of the housing 20 fit into the pair of notches 57 of the retainer 50, thereby positioning the retainer 50 in the circumferential direction. Thereafter, the retainer 50 is fixed to the housing 20 by passing a tapping screw through the fixing holes 56 of the retainer 50 and fastening it to the inner fixing portion 26 of the housing 20. As shown in FIG. 5 , the protrusion 53 of the retainer 50 fits into the recess 35 of the power terminal 30. The front end of the protrusion 35 engages with the front end of the recess 35 from the rear, thereby preventing the power terminal 30 from slipping out rearward.

[0027] (Electric wire cover 80) As shown in FIG. 1, the wire cover 80 has a cylindrical cover body 81 that covers the wires 61. The cover body 81 has an attachment hole 82 that opens forward, and a plurality of attachment portions 83 are formed at the opening edge of the attachment hole 82, protruding outward. The attachment portions 83 have holes formed therein through which attachment screws are passed. As shown in FIG. 5, the cover body 81 is fitted onto the cylindrical attachment portion 25 of the housing 20. The wire cover 80 is fixed to the housing 20 by passing attachment screws through the holes in the attachment portions 83 and fastening them to the outer fixing portions 27 of the housing 20.

[0028] As shown in Fig. 3, a rubber stopper attachment portion 84 to which a rubber stopper 90 is attached is formed on a side surface of the cover body 81. The rubber stopper 90 has a through hole 91 through which the electric wire 61 passes. When the electric wire 61 is passed through the through hole 91 and the rubber stopper 90 is attached to the rubber stopper attachment portion 84, the rubber stopper 90 is compressed, causing the outer surface of the electric wire 61 to tightly contact the inner surface of the through hole 91, and the outer surface of the rubber stopper 90 to tightly contact the inner surface of the rubber stopper attachment portion 84. As a result, the electric wire 61 is pulled out of the wire cover 80 from the rubber stopper attachment portion 84 in a sealed state. Furthermore, if the electric wire 61 moves, the rubber stopper 90 can absorb the movement of the electric wire 61, making it easier to prevent the bus bar terminal 70 from rotating.

[0029] (Anti-rotation structure of power terminal 30) 13 is a cross-sectional view showing a state in which the protrusion 53 of the retainer 50 is fitted into the recess 35 of the power terminal 30. When the bolt 37 is fastened, the bolt 37 is turned in the clockwise direction R1, and so immediately before the fastening is completed, the bus bar terminal 70 tends to rotate in the clockwise direction R1 together with the bolt 37. However, as shown in FIG. 14, one end 35A in the circumferential direction of the recess 35 engages with the protrusion 53 in the clockwise direction R1, so that the power terminal 30 is prevented from rotating.

[0030] Next, if the electric wire 61 moves while the bolt 37 is fastened, the bus bar terminal 70 will tend to rotate together with the electric wire 61. Accordingly, the power terminal 30 will also tend to rotate. Here, if the power terminal 30 tries to rotate in the clockwise direction R1, the one end 35A of the recess 35 will engage with the protrusion 53, thereby preventing the rotation of the power terminal 30. At that time, the bus bar terminal 70 and the bolt 37 will tend to rotate in the clockwise direction R1, which acts in a direction that further advances the fastening.

[0031] On the other hand, when the power terminal 30 attempts to rotate in the counterclockwise direction R2, a gap S is secured between the other end 35B of the recess 35 in the circumferential direction and the protrusion 53, and therefore the power terminal 30 is permitted to rotate in the counterclockwise direction R2 within the range of the gap S. In other words, the other end 35B of the recess 35 does not come into contact with the protrusion 53, and therefore the bus bar terminal 70 does not rotate relative to the power terminal 30. Therefore, the relative positional relationship between the bus bar terminal 70 and the power terminal 30 does not change, and no action is taken in the direction of loosening the fastening, so the fastened state of the bolt 37 is maintained.

[0032] (How to install the charging inlet 10) Next, we will briefly explain the method of assembling the charging inlet 10. Conventionally, the connection between the power terminals and the bus bar terminals is completed using a fastening jig, and then these are assembled into the housing. However, with the charging inlet 10 of this embodiment, a fastening jig is not used, and the bus bar terminals 70 are connected to the power terminals 30 in a state where the power terminals 30 are assembled into the housing 20.

[0033] Specifically, first, the power terminals 30 are inserted from the rear into each cavity 22 of the housing 20 shown in Fig. 10. Fig. 11 is a rear view showing a pair of power terminals 30 inserted into a corresponding pair of cavities 22. The outer shape of the terminal body 31 of the power terminal 30 is approximately circular in rear view, and the inner diameter of the cavity 22 is also circular in rear view, so that in the state shown in Fig. 11, the terminal body 31 is rotatable with respect to the cavity 22.

[0034] Next, the retainer 50 is attached to the housing 20. FIG. 12 is a rear view showing the state in which the retainer 50 is attached to the housing 20. The protrusion 53 of the retainer 50 is received in the recess 35 of the power terminal 30. The anti-rotation pieces 28 of the housing 20 are received in the notches 57 of the retainer 50. As a result, the retainer 50 is positioned circumferentially and is prevented from rotating circumferentially. In this state, the bolt 37 is tightened into the screw hole 36 of the power terminal 30. Just before the fastening is completed, the bus bar terminal 70 and the power terminal 30 attempt to rotate clockwise together with the bolt 37. However, because one end 35A of the recess 35 is engaged with the protrusion 53, the power terminal 30 is prevented from rotating, and the bolt 37 acts in a direction that further advances the tightening, thereby completing the fastening.

[0035] In this way, it is possible to prevent rotation of the power terminal 30 without using a fastening jig, and after connecting the power terminal and the bus bar terminal, it is not necessary to remove them from the fastening jig and assemble them into the housing. Moreover, since it is easier to assemble only the power terminal into the housing than to assemble the power terminal and the bus bar terminal together (for example, the power terminal 30 and the terminal-attached electric wire 60 shown in FIG. 6 that are integrally configured with the bolt 37) into the housing, the cost associated with the assembly can also be reduced.

[0036] (Effects of the embodiment) (1) A charging inlet 10 according to an embodiment includes a power terminal 30 having a terminal body 31 extending in the front-to-rear direction, a bus bar terminal 70 connected to the rear end of the terminal body 31, a bolt 37 fastening the bus bar terminal 70 to the power terminal 30, an electric wire 61 connected to the bus bar terminal 70 and drawn out in a direction intersecting the front-to-rear direction, a housing 20 having a terminal accommodating portion 24 into which the power terminal 30 is inserted from the rear, and a retainer 50 that prevents the power terminal 30 from slipping out after being inserted into the terminal accommodating portion 24. A recess 35 is formed on the outer peripheral surface of the terminal body 31, and a protrusion 53 is formed on the retainer 50 that engages with the recess 35. When the direction intersecting the front-to-rear direction on the outer peripheral surface of the terminal body 31 is defined as the circumferential direction, when the bolt 37 is fastened to the screw hole 36, one end 35A of the recess 35 engages with the protrusion 53, thereby preventing the power terminal 30 from rotating. A gap S is formed between the other end 35B of the recess 35 and the protrusion 53.

[0037] After the power terminals 30 are inserted into the terminal accommodating portions 24 from the rear, the retainer 50 is attached to the housing 20, whereby the power terminals 30 are prevented from coming out by the retainer 50. When the busbar terminals 70 are set at the rear ends of the terminal bodies 31 and then fastened to the power terminals 30 with the bolts 37, the power terminals 30 attempt to rotate together with the bolts 37, but this rotation is prevented by the one end 35A of the recesses 35 engaging with the protrusions 53. Furthermore, if the electric wire 61 moves while the busbar terminals 70 are fastened to the power terminals 30, the busbar terminals 70 rotate together with the electric wire 61. However, because there is a gap S between the other end 35B of the busbar terminals 70 and the protrusions 53, the power terminals 30 also rotate together with the busbar terminals 70. This prevents the fastening of the power terminals 30 and the busbar terminals 70 from loosening.

[0038] Furthermore, since there is no need to fasten the power terminal and the bus bar terminal using a fastening jig as in the past, the assembly of charging inlet 10 can be facilitated and the cost associated with the assembly can be reduced.

[0039] (2) In the embodiment, the power terminal 30 is prevented from coming off by the front end of the protrusion 53 being engaged with the front end of the recess 35 from behind. Since the power terminal 30 can be prevented from coming off by the recess 35 and the protrusion 53, there is no need to provide a separate retaining structure in addition to the recess 35 and the protrusion 53, which simplifies the configuration.

[0040] (3) In the embodiment, the device further includes a wire cover 80 attached to the rear of the retainer 50 and a rubber stopper 90, the rubber stopper 90 having a through hole 91 for passing the wire 61 therethrough, and the wire cover 80 having a rubber stopper attachment portion 84 for accommodating the rubber stopper 90 with the wire 61 passed through the through hole 91. According to this configuration, the movement of the electric wire 61 can be restricted by the rubber plug 90, which further facilitates restricting the fastening between the power terminal 30 and the bus bar terminal 70 from loosening.

[0041] (Other embodiments) The above embodiment can be modified as follows: The above embodiment and the following modifications can be combined with each other within the scope of technical compatibility.

[0042] In the above embodiment, the power terminals 30 have the recesses 35 and the retainer 50 has the protrusions 53, but the power terminals may have the protrusions and the retainer may have the recesses.

[0043] In the above embodiment, the front end of the protrusion 53 engages with the front end of the recess 35 from behind to prevent the power terminal 30 from coming loose. However, a flange may be formed on the terminal body, and the retaining portion 51 may engage with the flange portion from behind to prevent the power terminal from coming loose.

[0044] In the above embodiment, the charging inlet 10 is provided with the wire cover 80, but the charging inlet may not have a wire cover. [Explanation of symbols]

[0045] 10: Charging inlet 20: Housing 21: Fitting part 22: Cavity 23: Back wall 24: Terminal housing 25: Mounting tube 26:Inner fixed part 27:Outer fixing part 28: Anti-rotation piece 30: Power terminal (first terminal) 31: Terminal body 32: Contact piece 33,34: Groove 35: Recess (locking part) 35A: One end 35B: Other end 36: Screw hole (fastening member) 37: Bolt (fastening member) 40: Signal terminal 50: Retainer 51: Retaining part 52: Retainer body 53: Protrusion (locking part) 54: Anti-slip protrusion 55: Slit 56: Fixed hole 57: Notch 60: Wire with terminal 61:Electric wire 70: Busbar terminal (second terminal) 71: Wire connection part 72: Terminal connection part 73: Bolt hole 80: Wire cover 81: Cover body 82: Mounting hole 83: Mounting part 84: Rubber stopper attachment part 90: Rubber stopper 91:Through hole R1: Clockwise direction R2: Counterclockwise direction S: Gap

Claims

1. a first terminal having a terminal body extending in the front-rear direction; a second terminal connected to a rear end of the terminal body; a fastening member for fastening the second terminal to the first terminal; an electric wire connected to the second terminal and drawn out in a direction intersecting the front-rear direction; a housing having a terminal accommodating portion into which the first terminal is inserted from the rear; a retainer that prevents the first terminal inserted into the terminal accommodating portion from coming out, A locking portion is formed on the outer peripheral surface of the terminal body, and a locked portion that is locked to the locking portion is formed on the retainer, When the direction intersecting the front-to-rear direction on the outer peripheral surface of the terminal body is defined as the circumferential direction, when the fastening member is fastened, one end of the locking portion or the locked portion in the circumferential direction locks with the locked portion or the locking portion, thereby preventing the first terminal from rotating, and a gap is formed between the other end and the locked portion or the locking portion.

2. The charging inlet according to claim 1 , wherein the first terminal is prevented from coming off by a front end of the engaging portion engaging a front end of the engaging portion from behind.

3. The device further includes a wire cover attached to the rear of the retainer and a rubber plug. The rubber plug has a through hole through which the electric wire passes, 3. The charging inlet according to claim 1, wherein the wire cover has a rubber plug attachment portion that receives the rubber plug when the wire is inserted through the through hole.

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