CCS2 charging socket with modularized detachable AC / DC terminal

Abstract

The utility model relates to the technical field of charging sockets, in particular to a CCS2 charging socket with modularized detachable AC / DC (alternating current / direct current) terminals. An AC terminal assembly, a PE terminal assembly, a DC terminal assembly, an AC low-voltage plug-in unit and an electronic lock low-voltage plug-in unit are inserted into the charging seat preassembling assembly, the AC terminal assembly comprises an AC terminal, a first AC terminal sealing ring, a first AC terminal hoop and an AC insulating cap, and the PE terminal assembly comprises a PE terminal, a second AC terminal sealing ring and a second AC terminal hoop. The DC terminal assembly includes a DC terminal, a DC terminal clamp, a DC terminal seal ring, and a DC insulation cap. When the structure is maintained and replaced, the charging seat does not need to be completely disassembled, the terminals can be taken out from the charging seat main body only by taking down the alternating current rear cover and the DC rear cover from the charging seat and retracting the hoops by using a terminal withdrawing jig, and the main body cannot be damaged, so that the repair cost of the charging seat is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a CCS2 charging socket, especially to a modular CCS2 charging socket with replaceable AC / DC terminals. BACKGROUND

[0002] The existing CCS2 electric vehicle charging socket is divided into non-modular and modular schemes. In the non-modular scheme, the low-voltage wire and the high-voltage wire are usually connected to the charging socket terminals by crimping or welding and then connected to the outside by wire, which is complicated to assemble, time-consuming, and poor in assembly process. The internal temperature sensing wire of the charging socket is used, which is high in cost, and the wire harness end needs to be connected to the temperature sensing wire, which is complicated to assemble. The products are delivered to the next production site in a scattered manner, which cannot test the performance of the product assembly, and the wire harness terminals are difficult to manage. The product production cost is high, and the product production cycle is long.

[0003] In the existing modular scheme, it is difficult to disassemble the AC and DC terminals after they are assembled to the CCS2 charging socket. The main body of the charging socket needs to be replaced after disassembly, and the repair cost is also high. SUMMARY

[0004] The utility model aims at solving the above-mentioned defects and provides a modular CCS2 charging socket with replaceable AC / DC terminals.

[0005] In order to overcome the defects existing in the prior art, the utility model solves technical problems thereof and adopts the technical scheme that this modularization can dismantle and change AC / DC terminal's CCS2 charging socket includes plug cover subassembly, charging seat preloading subassembly, alternating current cable sealing ring, direct current cable sealing ring, PE cable sealing ring, alternating current back cover, direct current back cover, alternating current low voltage plug-in and electronic lock low voltage plug-in, charging seat preloading subassembly is inserted with AC terminal subassembly, PE terminal subassembly, DC terminal subassembly, alternating current low voltage plug-in and electronic lock low voltage plug-in, AC terminal subassembly includes AC terminal, alternating current terminal sealing ring one, alternating current terminal clamp one and AC insulation cap, is equipped with AC terminal limiting structure on AC terminal, is equipped with the clamping groove on both sides of AC terminal limiting structure, alternating current terminal sealing ring one is set in the clamping groove of one side of AC terminal limiting structure, alternating current terminal clamp one is clamped in the clamping groove of the other side of AC terminal limiting structure, and AC insulation cap is fixed in the jack in the front end of AC terminal, PE terminal subassembly includes PE terminal, alternating current terminal sealing ring two and alternating current terminal clamp two, is equipped with PE terminal limiting structure on PE terminal, is equipped with the clamping groove on both sides of PE terminal limiting structure, alternating current terminal sealing ring two is set in the clamping groove of one side of PE terminal limiting structure, alternating current terminal clamp two is clamped in the clamping groove of the other side of PE terminal limiting structure, DC terminal subassembly includes DC terminal, DC terminal clamp, DC terminal sealing ring and DC insulation cap, is equipped with the clamping groove on DC terminal, DC terminal clamp is clamped in the clamping groove, DC terminal sealing ring is set on DC terminal and is limited at the DC terminal limiting structure at the tail end welding area, and DC insulation cap is fixed in the jack in the front end of DC terminal.

[0006] According to another embodiment of the utility model, further include the DC terminal limiting structure is the circular arc structure that sets up on the tail end welding area.

[0007] According to another embodiment of the utility model, further include the jack hole for connecting AC terminal subassembly, PE terminal subassembly, DC terminal subassembly is equipped with clamp tightening limiting structure and clamp preposition structure on the charging seat preloading subassembly.

[0008] The utility model discloses the beneficial effect is: this modularization can dismantle and change AC / DC terminal's CCS2 charging socket, when maintaining, replacing, only need to take down the alternating current back cover, DC back cover from the charging seat, uses the terminal tool that withdraws to gather in the clamp, can take out the terminal from the charging seat main body, will not damage the main body, thereby greatly reduced the cost of charging seat repair. ACCURACY OF DRAWINGS

[0009] The utility model is further explained below in combination with the drawings and examples.

[0010] Figure 1 It is the structure schematic diagram of the utility model explosion map.

[0011] Figure 2 is Figure 1 is a structural schematic view of an AC terminal assembly in an explosion view;

[0012] Figure 3 is Figure 1 is a structural schematic view of an AC terminal assembly after assembly;

[0013] Figure 4 is Figure 1 is a structural schematic view of a PE terminal assembly in an explosion view;

[0014] Figure 5 is Figure 1 is a structural schematic view of a PE terminal assembly after assembly;

[0015] Figure 6 is Figure 1 is a structural schematic view of a DC terminal assembly in an explosion view;

[0016] Figure 7 is Figure 1 is a structural schematic view of a DC terminal assembly after assembly;

[0017] Figure 8 is a structural schematic view of the utility model;

[0018] Figure 9 is Figure 8 is a structural schematic view in A-A direction;

[0019] Figure 10 is Figure 8 is a structural schematic view in B-B direction;

[0020] 1, plug cover assembly, 2, charging base preassembly assembly, 3, AC cable sealing ring, 4, PE cable sealing ring, 5, AC rear cover, 6, DC rear cover, 7, AC low-voltage plug-in, 8, electronic lock low-voltage plug-in, 9, AC terminal assembly, 10, PE terminal assembly, 11, DC terminal assembly, 12, DC cable sealing ring, 13, AC insulation cap, 14, AC terminal sealing ring one, 15, AC terminal, 16, AC terminal clamp one, 17, AC terminal limiting structure, 18, PE terminal, 19, AC terminal sealing ring two, 20, AC terminal clamp two, 21, PE terminal limiting structure, 22, DC terminal, 23, DC terminal clamp, 24, DC terminal sealing ring, 25, DC insulation cap, 26, clamping groove, 22, DC terminal, 28, DC terminal limiting structure, 29, clamp pre-positioning structure, 30, clamp tightening limiting structure. DETAILED DESCRIPTION

[0021] In order to make the utility model embodiment purposes, technical scheme and advantages more clearly, the following will be combined with the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the utility model embodiment, rather than all the embodiments. The embodiments in the basic utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model protection.

[0022] As Figure 1 Shown, for CCS2 charging socket, including plug cover assembly 1, charging seat preloading assembly 2, AC cable sealing ring 3, DC cable sealing ring 12, PE cable sealing ring 4, AC rear cover 5, DC rear cover 6, AC low-voltage plug-in 7 and electronic lock low-voltage plug-in 8, the AC terminal assembly 9, PE terminal assembly 10, DC terminal assembly 11, AC low-voltage plug-in 7 and electronic lock low-voltage plug-in 8 are inserted on the charging seat preloading assembly 2.

[0023] As Figure 2 , 3 Shown, AC terminal assembly 9 includes AC terminal 15, AC terminal sealing ring one 14, AC terminal clamp one 16 and AC insulation cap 13, AC terminal 15 is provided with AC terminal limiting structure 17, both sides of AC terminal limiting structure 17 are provided with clamping groove, AC terminal sealing ring one 14 is sleeved in the clamping groove on one side of AC terminal limiting structure 17, AC terminal clamp one 16 is clamped in the clamping groove on the other side of AC terminal limiting structure 17, and AC insulation cap 13 is fixed in the insertion hole at the front end of AC terminal 15.

[0024] As Figure 4 , 5 Shown, PE terminal assembly 10 includes PE terminal 18, AC terminal sealing ring two 19 and AC terminal clamp two 20, PE terminal 18 is provided with PE terminal limiting structure 21, both sides of PE terminal limiting structure 21 are provided with clamping groove, AC terminal sealing ring two 19 is sleeved in the clamping groove on one side of PE terminal limiting structure 21, and AC terminal clamp two 20 is clamped in the clamping groove on the other side of PE terminal limiting structure 21.

[0025] As Figure 6 , 7 Shown, DC terminal assembly 11 includes DC terminal 22, DC terminal clamp 23, DC terminal sealing ring 24 and DC insulation cap 25, DC terminal 22 is provided with clamping groove 26, DC terminal clamp 23 is clamped in clamping groove 26, DC terminal sealing ring 24 is sleeved on DC terminal 22 and is limited at DC terminal limiting structure 28 arranged on tail end welding area 27, DC terminal limiting structure 28 is the arc structure arranged on tail end welding area 27, and DC insulation cap 25 is fixed in the insertion hole at the front end of DC terminal 22.

[0026] As Figures 8-10 The clamping hoop pre-positioning structure 29 and the clamping hoop tightening limiting structure 30 are arranged in the insertion hole of the charging base pre-assembly 2 for connecting the AC terminal assembly 9, the PE terminal assembly 10 and the DC terminal assembly 11.

[0027] The AC terminal assembly 9 and the PE terminal assembly 10 are inserted forward from the charging base pre-assembly 2, and the clamping hoop is tightened by the clamping hoop tightening limiting structure 30, so that the clamping hoop can pass through the terminal mounting hole. After the terminal passes through the terminal mounting hole, the AC terminal limiting structure 17 and the PE terminal limiting structure 21 are attached to the clamping hoop tightening limiting structure on the main body, so that the AC terminal assembly 9 and the PE terminal assembly 10 cannot be inserted forward any more, and at the same time, the clamping hoop is opened, so that the terminal cannot retreat.

[0028] The DC terminal assembly 11 is inserted forward from the charging base pre-assembly 2, and the clamping hoop is tightened by the clamping hoop tightening limiting structure, so that the clamping hoop can pass through the terminal mounting hole. After the terminal passes through the terminal mounting hole, the DC terminal limiting structure 28 arranged at the tail welding area 27 of the tail end of the DC terminal is attached to the main body, so that the DC terminal cannot be inserted forward any more, and at the same time, the clamping hoop is opened, so that the terminal cannot retreat.

[0029] The clamping hoop pre-positioning structure 29 of the terminal of the AC terminal assembly 9, the PE terminal assembly 10 and the DC terminal assembly 11 is designed on the main body. After the AC terminal assembly 9, the PE terminal assembly 10 and the DC terminal assembly 11 are assembled to the charging base pre-assembly 2, it is guaranteed that the clamping hoop does not deviate from the center of the terminal. When it is necessary to disassemble and replace, it is guaranteed that the retreating terminal jig is inserted into the main body from the front surface of the main body, and the jig can retract the clamping hoop, so that the terminal can be withdrawn from the main body.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A modular CCS2 charging socket with replaceable AC / DC terminals, comprising a plug cover assembly (1), a charging base pre-installed assembly (2), an AC cable sealing ring (3), a DC cable sealing ring (12), a PE cable sealing ring (4), an AC back cover (5), a DC back cover (6), an AC low-voltage plug (7), and an electronic lock low-voltage plug (8), characterized in that: The pre-installed assembly (2) of the charging base is connected to an AC terminal assembly (9), a PE terminal assembly (10), a DC terminal assembly (11), an AC low-voltage plug-in (7), and an electronic lock low-voltage plug-in (8). The AC terminal assembly (9) includes an AC terminal (15), an AC terminal sealing ring one (14), an AC terminal clamp one (16), and an AC insulating cap (13). The AC terminal (15) is provided with an AC terminal limiting structure (17). The AC terminal limiting structure (17) has slots on both sides. The AC terminal sealing ring one (14) is fitted into the slot on one side of the AC terminal limiting structure (17), and the AC terminal clamp one (16) is clamped into the slot on the other side of the AC terminal limiting structure (17). The AC insulating cap (13) is fixed in the socket at the front end of the AC terminal (15). The PE terminal assembly (10) includes a PE terminal (18), an AC terminal sealing ring two (19), and an AC terminal sealing ring two (11). The DC terminal clamp (20) is provided with a PE terminal limiting structure (21) on the PE terminal (18). The PE terminal limiting structure (21) has slots on both sides. The AC terminal sealing ring (19) is fitted into the slot on one side of the PE terminal limiting structure (21). The AC terminal clamp (20) is fitted into the slot on the other side of the PE terminal limiting structure (21). The DC terminal assembly (11) includes a DC terminal (22), a DC terminal clamp (23), a DC terminal sealing ring (24), and a DC insulating cap (25). The DC terminal (22) has a slot (26). The DC terminal clamp (23) is fitted into the slot (26). The DC terminal sealing ring (24) is fitted onto the DC terminal (22) and is limited to the DC terminal limiting structure (28) provided on the tail welding area (27). The DC insulating cap (25) is fixed in the socket at the front end of the DC terminal (22).

2. The CCS2 charging socket with modular, replaceable AC / DC terminals as described in claim 1, characterized in that: The DC terminal limiting structure (28) is an arc structure set on the tail welding area (27).

3. The CCS2 charging socket with modular, replaceable AC / DC terminals as described in claim 1, characterized in that: The charging dock pre-assembly assembly (2) has a clamp tightening limit structure (30) and a clamp pre-positioning structure (29) in the socket for connecting the AC terminal assembly (9), PE terminal assembly (10) and DC terminal assembly (11).

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