Alternating current charging socket with connector structure
By separating the base module and plug module and using a locking structure, the problems of complex charging base connection and inconvenient maintenance are solved, achieving efficient assembly and safe connection.
Patent Information
- Application Number
- CN202520472976.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing charging docks have complex connection structures, cumbersome assembly processes, and consume a lot of time. They also require complete disassembly and assembly for maintenance, which is inconvenient and labor-intensive.
The connector adopts a separate design for the base module and the plug module, which are assembled on different production lines. The connector is quickly locked using a primary locking and secondary locking structure, eliminating the signal harness and using high-voltage interlocking pins and springs to ensure a safe connection.
It achieves intelligent assembly, reduces assembly time, improves assembly efficiency, ensures a firm overall connection, and simplifies disassembly and assembly by separating modules during maintenance, thereby reducing equipment size and ensuring safe connection.
Smart Images

Figure CN223956901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of charging base, especially the alternating current charging socket with connector structure. BACKGROUND
[0002] At present, new energy electric vehicles develop rapidly. Electric vehicles often use high-power alternating current charging sockets. The previous charging bases on the market are integrally assembled by front mounting plates, rear mounting plates and tail covers. Various terminals, jack components, sealing rings and PCBs are installed in the three parts. The defects are as follows: first, the connection structure is complex, the assembly process is complex, the working hours are wasted, and the assembly efficiency is low; second, during subsequent use, maintenance and repair, the whole needs to be disassembled and assembled, which is inconvenient and laborious. UTILITY MODEL CONTENTS
[0003] In order to solve one or more of the above problems, the utility model provides an alternating current charging socket with connector structure.
[0004] According to one aspect of the utility model, the alternating current charging socket with connector structure comprises: a seat module of a plug connector structure and a plug module;
[0005] The rear mounting plate of the seat module is provided with a one-time lock catch and a plurality of power jack components are sleeved;
[0006] The plug module comprises a plug shell and a secondary lock block. The plug shell is integrally connected with a plurality of one-time lock hole components in the axial direction. A plurality of elastic lock pieces are arranged in the circumferential direction at the front end of the one-time lock hole component. A plurality of power terminals are connected with power wires at the rear end and pass through the one-time lock hole component at the front end and are locked by the elastic lock pieces. The secondary lock block is inserted into the inner cavity of the plug and the secondary lock hole in the axial direction of the secondary lock block is in interference fit with the elastic lock piece to compress the elastic lock piece and lock the power terminal.
[0007] A lock connecting piece is longitudinally connected in the locking part of the plug shell;
[0008] The plug module is inserted into the seat module, the front end of the lock connecting piece is pressed against the one-time lock catch to realize the one-time connection of the connector, the lock connecting piece is pushed forward, the secondary lock catch at the rear end of the lock connecting piece is placed on the locking table of the locking part, and the secondary locking of the connector is realized.
[0009] In some embodiments, the seat module comprises a PCBA board and front and rear connecting front mounting plates and rear mounting plates. The PCBA board is installed in the mounting cavity surrounded by the front mounting plates and the rear mounting plates. The front end of the power jack component is fixedly sleeved with the power plug of the front mounting plate, the middle segment is sleeved with the power shaft hole of the rear mounting plate, and the rear end is sleeved with the power shaft hole of the rear mounting plate.
[0010] In some embodiments, the tail end of the high-voltage interlocking pin of the seat module is welded and fixed to the PCBA board. The middle segment is sleeved with the through hole of the rear mounting plate, and the front end is extended out of the rear mounting plate.
[0011] The plug module further comprises a high-voltage interlocking spring with an axial socket, one end of which is integrally injection molded to connect the front vertical wall of the plug shell, and the other end is inserted into the interlocking hole of the secondary locking block socket;
[0012] When the connector is connected, the high-voltage interlocking pin is inserted into the high-voltage interlocking spring.
[0013] In some embodiments, at least one multi-hole signal connector is further included, the inner end of which is welded to the PCBA board, and the outer end is exposed to the signal through hole on the front side of the front mounting plate.
[0014] In some embodiments, the front end of the signal terminal is fixedly sleeved with the signal plug of the front mounting plate, the middle segment is equal in diameter and penetrates the PCBA board, the rear end of the signal terminal is welded to one end of the patch copper bar, and the other end of the patch copper bar is welded to the PCBA board, thereby realizing the low-voltage signal output of the wireless bundle.
[0015] In some embodiments, an axial sliding table is integrally arranged in the middle of the lock shell of the locking part, and a locking table is integrally arranged at the rear end of the lower wall;
[0016] The front end of the locking part is provided with a pressure contact end, and the rear end is provided with a secondary locking buckle with a triangular protruding tooth.
[0017] In some embodiments, an inner sliding block is arranged at the rear end of the locking part.
[0018] The two ends of the locking part are provided with an inner C-shaped sliding table, and the rear end of the axial sliding table is provided with an outer C-shaped sliding table.
[0019] In some embodiments, a pushing block is arranged at the upper end of the locking part.
[0020] In some embodiments, a connector sealing ring is sleeved on the front end ring of the plug shell, and the rear end surface of the secondary locking block is pressed and fitted to the connector sealing ring.
[0021] Or the sealing ring groove at the rear end of the plug shell is sleeved with a power wire sealing ring.
[0022] In some embodiments, the seat module and the panel are connected through a first threaded part, the panel and the vehicle body are connected through a second threaded part, the adapter copper bar connected with the PE terminal is integrally injection molded to connect the rear mounting plate, and the terminal end and the grounding copper bar are connected through the first threaded part, and the other end of the adapter copper bar is connected to the vehicle body sheet metal through the second threaded part, thereby realizing the grounding function.
[0023] The alternating current charging socket with the connector structure has the following beneficial effects: 1. The socket module and the plug module, and the jack structure are integrally connected in the socket module, and the wire structure and the terminal are connected in the plug module, and the two can be assembled in different assembly lines, one production line assembles the socket module, and the other production line assembles the plug module and the wire harness, and the two modules are symmetrical, so that the intelligent assembly is realized, the structure is simple, the assembly time is reduced, and the assembly efficiency is high; 2. The plug module and the socket module adopt a secondary locking structure, the charging socket is integrally assembled, connected and fastened, and the power terminal of the plug module adopts secondary locking, so that the whole is firmly installed; 3. When maintaining, only the plug module or the socket module needs to be separated, and the relative module is repaired, without the whole disassembly, so that the disassembly is simple and the workload is small; 4. The high-voltage interlocking pin and the high-voltage interlocking spring are arranged, so that the interlocking pin is the first to be disconnected and the last to be closed, which is beneficial to realize the safe connection of the connector structure; 5. The signal wire harness is arranged to be cancelled, so that the assembly connection is facilitated, and the equipment volume can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a three-dimensional schematic view of the alternating current charging socket with the connector structure according to an embodiment of the present application;
[0025] Figure 2 It is a three-dimensional schematic view of the socket module shown in the figure; Figure 1
[0026] Figure 3 It is a three-dimensional schematic view of the socket module shown in the figure; Figure 1
[0027] Figure 4 It is a three-dimensional schematic view of the socket module shown in the figure; Figure 3
[0028] Figure 5 It is a three-dimensional schematic view of the plug module shown in the figure; Figure 1
[0029] Figure 6 It is a three-dimensional schematic view of the plug module shown in the figure; Figure 5
[0030] Figure 7 It is a three-dimensional schematic view of the plug module shown in the figure; Figure 6
[0031] Figure 8 It is a three-dimensional schematic view of the plug module shown in the figure; Figure 6
[0032] The socket module 01, the power jack 011, the high-voltage interlocking pin 012, the front mounting plate 1, the rear mounting plate 2, the primary lock 21, the PCBA plate 3;
[0033] Plug module 02, high-voltage interlocking spring 021, plug shell 4, locking portion 40, locking hole 401, locking table 402, lock shell 403, axial sliding table 404, outer C-shaped sliding table 405, primary locking hole piece 41, elastic locking piece 411, front end ring 42, sealing ring groove 43, rear end ring 44, power terminal 5, secondary locking block 6, secondary locking hole 61, plug-in seat 62, connector sealing ring 7, locking piece 8, secondary locking buckle 81, pressure contact end 82, inner sliding block 83, inner C-shaped sliding table 84, pushing block 85, power wire sealing ring 9;
[0034] Tail cover 03; power wire 04; PE terminal 05, adapter copper bar 051;
[0035] Signal terminal 06, patch copper bar 061;
[0036] Multi-hole signal connector 07. DETAILED DESCRIPTION
[0037] The utility model will be further explained in detail below in combination with the drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.
[0038] Figures 1 to 8 An AC charging socket with a connector structure according to an embodiment of the utility model is schematically shown. As shown in the figure, the AC charging socket with the connector structure includes: a seat module 01 of a plug-in connector structure and a plug module 02;
[0039] The rear mounting plate 2 of the seat module 01 is provided with a primary locking buckle 21 at the rear end and is sleeved with a plurality of power jack pieces 011;
[0040] The plug module 02 includes a plug shell 4 and a secondary locking block 6. The plug shell 4 is integrally connected with a plurality of primary locking hole pieces 41 in the axial direction. The front end of the primary locking hole piece 41 is circumferentially provided with a plurality of elastic locking pieces 411. A plurality of power terminals 5 are connected with the power wire 04 at the rear end and are sleeved with the primary locking hole piece 41 at the front end and are locked by the elastic locking piece 411. The secondary locking block 6 is inserted into the inner cavity of the plug 4, and the axial secondary locking hole 61 of the secondary locking block 6 is in interference fit with the elastic locking piece 411, so that the elastic locking piece 411 is compressed to lock the power terminal 5;
[0041] The locking piece 8 is longitudinally slidably connected in the locking portion 40 of the plug shell 4;
[0042] The plug module 02 is inserted into the seat module 01, the front end of the locking piece 8 is pressed against the primary locking buckle 21 to achieve primary locking of the connector, the locking piece 8 is pushed forward, the secondary locking buckle 81 at the rear end of the locking piece 8 enters the locking table 402 of the locking part 40 to achieve secondary locking of the connector.
[0043] The alternating current charging socket with the connector structure has the following beneficial effects: first, the seat module 01 and the plug module 02 are integrated and connected in the seat module 01, the outlet structure and the terminal are connected in the plug module 02, and the two can be assembled on different assembly lines, one production line assembles the seat module 01, and the other production line assembles the plug module and the wire harness, the two modules are symmetrical, the intelligent assembly is realized, the structure is simple, the assembly time is reduced, and the assembly efficiency is high; second, the plug module 02 and the seat module 01 adopt the secondary locking structure, the charging socket is integrally assembled, connected and fastened, and the power terminal 5 of the plug module 02 adopts the secondary locking, and the whole is firmly installed; third, during maintenance, only the plug module 02 or the seat module 01 needs to be separated, and the relative module is repaired, without the need for overall disassembly, the disassembly is simple, and the work amount is small.
[0044] Further, the seat module 01 comprises a PCBA board 3 and front and rear connecting front mounting plates 1 and rear mounting plates 2, the PCBA board 3 is mounted in a mounting cavity surrounded by the front mounting plates 1 and the rear mounting plates 2, and a power plug tube of the front end of a power outlet piece 011 is fixedly sleeved with the front mounting plate 1, an intermediate section is sleeved with the PCBA board 3 in a same diameter, and a rear end is sleeved with a power shaft hole of the rear mounting plate 2. The PCBA board is preferably a printed circuit board. The beneficial effect is that the outlet structure and the PCBA board 3 are integrated and connected in the seat module 01, the overall structure is simple, and assembly is facilitated.
[0045] Further, a tail end of a high-voltage interlocking pin 012 of the seat module 01 is welded and fixed with the PCBA board 3, an intermediate section is sleeved with a through hole of the rear mounting plate 2 in a gap, and a front end is extended out of the rear mounting plate 2.
[0046] The plug module 02 further comprises a high-voltage interlocking elastic sheet 021 with an axial socket, one end of the high-voltage interlocking elastic sheet 021 is integrally injection-molded with a front vertical wall of the plug shell 4, and the other end is sleeved with an interlocking hole of a plug-in seat 62 of the secondary locking block 6.
[0047] When the connector is connected, the high-voltage interlocking pin 012 is inserted into the high-voltage interlocking elastic sheet 021. The beneficial effect is that the high-voltage interlocking pin 012 and the high-voltage interlocking elastic sheet 021 are arranged, the interlocking pin 012 is guaranteed to be the first to be disconnected and the last to be closed, and the safe connection of the connector structure is beneficially realized.
[0048] Further, at least one multi-hole signal connector 07 is further included, the inner end of which is welded to the upper end of the PCBA board 3, and the outer end of which is exposed to the signal through hole on the front side of the front mounting plate 1. Preferably, the front end of the plurality of signal terminals 06 is fixedly sleeved with the signal insertion tube of the front mounting plate 1, the middle segment is equal in diameter and is sleeved with the PCBA board 3, and the rear end of the signal terminal 06 is welded to one end of the patch copper bar 061, and the other end of the patch copper bar 061 is welded to the PCBA board 3, so as to realize the low-voltage signal output of the wireless harness. The beneficial effect is that the signal harness is cancelled, the assembly connection is facilitated, and the equipment size can be effectively reduced.
[0049] Further, the axial sliding table 404 is integrally arranged in the middle of the lock shell 403 of the locking part 40, and the locking table 402 is integrally arranged at the rear end of the lower wall;
[0050] The front end of the locking piece 8 is provided with a pressure contact end 82, and the rear end is provided with a triangular convex tooth-shaped secondary lock 81. The secondary lock 81 is pushed forward to be above the locking table 402. The beneficial effect is that the locking part 40 is convenient for sliding locking.
[0051] Preferably, the rear end of the locking piece 8 is provided with an inner sliding block 83, and the inner sliding block 83 is slidably connected to the rear end of the locking hole 401;
[0052] The two ends of the locking piece 8 are provided with inner C-shaped sliding tables 84, and the rear end of the axial sliding table 404 is provided with an outer C-shaped sliding table 405, and the inner C-shaped sliding table 84 is slidably connected to the outer C-shaped sliding table 405. The beneficial effect is that the locking piece 8 can improve the sliding precision and improve the installability.
[0053] Preferably, the upper end of the locking piece 8 is provided with a pushing block 85. The beneficial effect is that the pushing block 85 facilitates the assembly personnel to push the two modules, and facilitates assembly. At the same time, the pushing block 85 and the inner sliding block 83 can perform secondary locking after the two modules are matched.
[0054] Preferably, the connector sealing ring 7 is sleeved on the front end ring 42 of the plug shell 4, and the rear end face of the secondary lock block 6 is pressed and tightly attached to the connector sealing ring 7. The beneficial effect is that the connector sealing ring 7 has good sealing performance.
[0055] Preferably, the power wire sealing ring 9 is connected to the rear end of the sealing ring groove 43 of the plug shell 4; the rear end ring 44 of the plug shell 4 is clamped with the tail cover 03, the power wire 04 passes through the wire hole of the tail cover 03, and the power wire sealing ring 9 is inserted into the rear end shaft hole of the power terminal 5. The beneficial effect is that the power wire sealing ring 9 improves the sealing performance of the power wire 04.
[0056] Preferably, the seat module 01 and the panel are connected through the first threaded part, and the panel and the vehicle body are connected through the second threaded part.
[0057] The adapter copper bar connected with the PE terminal 05 is integrally injection molded with the connecting plate 2, and the end of the adapter copper bar is located at the connecting screw hole, the ground copper bar and the adapter copper bar are connected through a first threaded member,
[0058] The other end of the adapter copper bar is located at the connecting through hole of the panel, and the vehicle body sheet metal is connected through a second threaded member, thereby realizing the grounding function.
[0059] Further, the front end of the power jack 011 is sleeved in the axial pipe of the rear connecting plate 2, and sealing rings are arranged between the power jack 011 and the front connecting plate 1 and between the front connecting plate 1 and the rear connecting plate 2.
[0060] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.
Claims
1. An alternating current charging outlet with a connector structure, characterized in that, It includes: the seat module (01) and the plug module (02) of the plug-in connector structure; The rear mounting plate (2) of the seat module (01) is provided with a primary lock (21) on the rear end and is sleeved with a plurality of power jack components (011); The plug module (02) includes a plug shell (4) and a secondary lock block (6), the plug shell (4) is integrally connected with a plurality of axial primary lock hole components (41) on the front vertical wall, a plurality of elastic lock pieces (411) are arranged on the front end of the primary lock hole component (41) in a circular array, a plurality of power terminals (5) are connected with power leads (04) at the rear end and are inserted into the primary lock hole component (41) at the front end and are locked by the elastic lock piece (411), the secondary lock block (6) is inserted into the inner cavity of the plug (4) and the axial secondary lock hole (61) of the secondary lock block (6) is sleeved with the elastic lock piece (411) in an interference fit, so that the elastic lock piece (411) is compressed to lock the power terminal (5) again; The locking piece (8) is longitudinally and slidingly connected in the locking part (40) of the plug shell (4); The plug module (02) is inserted into the seat module (01), the front end of the locking piece (8) is pressed against the primary lock (21) to achieve primary locking of the connector, the locking piece (8) is pushed forward, the secondary lock (81) at the rear end of the locking piece (8) enters the locking table (402) of the locking part (40), and the secondary locking of the connector is achieved.
2. The AC charging socket with connector structure according to claim 1, characterized in that, The seat module (01) includes a PCBA board (3) and front and rear connecting front mounting plates (1) and rear mounting plates (2), the PCBA board (3) is installed in the mounting cavity surrounded by the front mounting plate (1) and the rear mounting plate (2), the front end of the power jack component (011) is fixedly sleeved with the power plug tube of the front mounting plate (1), the middle section is sleeved with the PCBA board (3) in the same diameter and the rear end is sleeved with the power shaft hole of the rear mounting plate (2).
3. The AC charging socket with connector structure according to claim 2, characterized in that, The tail end of the high-voltage interlocking pin (012) of the seat module (01) is welded and fixed to the PCBA board (3), the middle section is sleeved with the through hole of the rear mounting plate (2) in a gap and the front end extends out of the rear mounting plate (2); The plug module (02) further includes a high-voltage interlocking spring (021) having an axial socket, one end of the high-voltage interlocking spring (021) is integrally injection-molded to connect the front vertical wall of the plug shell (4), and the other end is inserted into the interlocking hole of the plug-in seat (62) of the secondary lock block (6); When the connector is plugged in, the high-voltage interlocking pin (012) is inserted into the high-voltage interlocking spring (021).
4. The AC charging socket with connector structure according to claim 2, characterized in that, It also includes at least one multi-hole signal connector (07), the inner end of the multi-hole signal connector (07) is welded to the upper end of the PCBA board (3), and the outer end exposes the signal through hole on the front side of the front mounting plate (1).
5. The AC charging outlet with connector structure according to claim 1, characterized in that, A plurality of signal terminals (06) are fixedly sleeved with the signal plug tube of the front mounting plate (1) at the front end, the middle section is sleeved with the PCBA board (3) in the same diameter, the rear end of the signal terminal (06) is welded to one end of the patch copper bar (061), the other end of the patch copper bar (061) is welded to the PCBA board (3), and the wireless beam low-voltage signal output is realized.
6. The AC charging outlet with connector structure according to claim 1, characterized in that, The lock shell (403) of the locking part (40) is integrally provided with an axial sliding table (404) in the middle and a locking table (402) at the rear end of the lower wall, and the axial sliding table (404) is provided with a locking hole (401) in the middle; The front end of the locking piece (8) is provided with a pressure contact end (82), and the rear end is provided with a secondary lock (81) with triangular convex teeth.
7. The AC charging outlet with connector structure according to claim 6, characterized in that, The rear end of the locking piece (8) is provided with an inner sliding block (83) in the middle, and the inner sliding block (83) is slidingly connected to the rear end of the locking hole (401); The two ends of the locking piece (8) are provided with inner C-shaped sliding tables (84), and the rear end of the axial sliding table (404) is provided with an outer C-shaped sliding table (405), and the inner C-shaped sliding table (84) is slidingly connected to the outer C-shaped sliding table (405).
8. The AC charging outlet with connector structure according to claim 6, wherein, The upper end of the locking piece (8) is provided with a pushing block (85).
9. The AC charging outlet with connector structure according to claim 1, wherein, The front end ring (42) of the plug shell (4) is provided with a connector sealing ring (7), and the rear end surface of the secondary locking block (6) is tightly attached to the connector sealing ring (7). Or the sealing ring groove (43) at the rear end of the plug shell (4) is provided with a power wire sealing ring (9).
10. The AC charging outlet with connector structure according to claim 1, characterized in that, The seat module (01) and the panel are connected by a first threaded member, and the panel and the vehicle body are connected by a second threaded member; the PE terminal (05) is integrally injection-molded with the adapter copper bar (051) connected to the rear mounting plate (2), and the terminal and the grounding copper bar are connected by a first threaded member, and the other end of the adapter copper bar (051) is connected to the vehicle body sheet metal by a second threaded member, realizing the grounding function.