Charging socket with novel convenient grounding structure

By using an integrated injection-molded adapter copper busbar and grounding bushing structure in the charging socket, the problem of complex assembly and easy damage of the grounding cable of the electric vehicle charging socket is solved, and an efficient and convenient grounding function is achieved.

CN224053464UActive Publication Date: 2026-03-27SUZHOU RECODEAL INTERCONNECT SYST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The grounding cable of existing electric vehicle charging sockets requires a separate part for fixing, which is complicated and time-consuming to assemble, and is easily damaged and inconvenient to disassemble.

Method used

The adapter copper busbar and grounding bushing are integrally injection molded into the rear mounting plate, and the grounding function is achieved through threaded connection, which simplifies the assembly process and avoids on-site cable assembly.

Benefits of technology

It simplifies the assembly process, reduces assembly time and costs, and improves the convenience of disassembly and maintenance as well as the durability of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a charging socket with a novel convenient grounding structure. The charging socket comprises a grounding assembly, a grounding terminal, a front mounting plate and a rear mounting plate, wherein the front mounting plate and the rear mounting plate are in threaded connection with a panel; a switching copper bar of the grounding assembly is integrally injection-molded in a rear mounting plate, the inner connection end of the switching copper bar is exposed out of a switching hole and is attached to a grounding terminal, the outer connection end of the switching copper bar is connected with a shaft sleeve and is partially exposed out of a first through hole of the rear mounting plate, the outer connection end of the switching copper bar is attached to the inner end of the grounding copper bar and is connected through a first screw, and the outer end of the grounding copper bar is attached to a grounding lining. The conductive grounding bushing sleeves the grounding hole of the integrated panel; the integrated panel is assembled on the automobile body metal plate, and the grounding bushing contacts with the automobile body metal plate, so that the grounding function of the charging socket is realized. The utility model has the advantages of simple grounding structure, simple assembly, less time consumption, and convenient disassembly, assembly and maintenance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of charging socket, especially the charging socket with novel convenient grounding structure. BACKGROUND

[0002] At present, new energy electric vehicles develop rapidly. Electric vehicles often use high-power DC charging sockets or AC charging sockets, and the above-mentioned sockets all need grounding function. The current grounding function is connected from the inside of the charging socket to the vehicle body panel through a separate grounding cable and is fixed by screws. The defects are as follows: first, the above-mentioned grounding cable needs to be fixed with related parts, and at the same time, the cable end and the vehicle body panel need to be reassembled for grounding cable during on-site assembly. The assembly is complex, time-consuming and low in efficiency. Second, the grounding cable is easy to damage and inconvenient to disassemble and maintain. SUMMARY

[0003] In order to solve one or more of the above problems, the utility model provides the charging socket with novel convenient grounding structure.

[0004] According to one aspect of the utility model, the charging socket with novel convenient grounding structure comprises:

[0005] The front mounting plate is attached to the panel.

[0006] The rear mounting plate is fixedly connected to the panel through the first screw passing through the first through hole in the four corners of the rear mounting plate and the front mounting plate.

[0007] The grounding terminal is connected to the front mounting plate through the front end shaft sleeve and is inserted into the switching hole of the rear mounting plate through the rear end.

[0008] The grounding assembly comprises a switching copper bar, a grounding copper bar and a conductive grounding bushing. The switching copper bar is integrally injection molded in the rear mounting plate. The inner connection end of the switching copper bar is exposed outside the switching hole and attached to the grounding terminal, and the outer connection end is connected to the first through hole through the shaft sleeve. The outer connection end is exposed outside the first through hole and attached to the inner end of the grounding copper bar through the first screw. The outer end of the grounding copper bar is attached to the grounding bushing, and the grounding bushing is sleeved with the grounding hole of the integrated panel.

[0009] The integrated panel is assembled on the vehicle body panel. The grounding bushing contacts the vehicle body panel. The grounding terminal, the switching copper bar, the grounding copper bar, the grounding bushing and the vehicle body panel are conductive, realizing the grounding function of the charging socket.

[0010] The charging socket with the novel convenient grounding structure has the following beneficial effects: first, the adapter copper bar is integrally injection molded in the rear mounting plate, the grounding bush is fixedly connected in the grounding hole of the panel, during assembly, only threaded parts are used to connect the adapter copper bar and the grounding copper bar, and the grounding copper bar and the grounding bush, so that the internal assembly of the product can be completed, during on-site assembly, the grounding bush directly contacts the vehicle body sheet metal, so that the grounding function is realized, no cable and on-site assembly are needed, compared with the cable structure, no part via hole and sealing setting are needed, and no grounding reassembly is needed, so that the assembly is simple, the working hours are less, and the assembly efficiency is high; second, the grounding structure is an integrally injection molded structure, is not easy to damage, and is convenient to disassemble and maintain; third, the grounding structure shares the first through hole of the rear mounting plate and the first threaded part as an adapter structure, so that the product structure and the assembly process are simplified, the assembly is simple, and the production cost is reduced.

[0011] In some embodiments, the grounding terminal is provided with a lead pipe at the rear end, the lead pipe is sleeved with the adapter hole with a gap and is connected with the inner connection hole of the inner connection end through an interference shaft sleeve.

[0012] In some embodiments, the lead pipe is connected with the adapter hole through riveting, so that the adapter copper bar and the grounding terminal are hard connected into an integral whole.

[0013] In some embodiments, the lead pipe is integrally injection molded with the front end of the adapter hole, and then the grounding terminal is injection molded and sealed on the front end.

[0014] In some embodiments, the rear mounting plate is provided with a avoiding groove above the circular lug plate at the four corners, and the outer connection end is located in the avoiding groove and is attached to the upper surface of the circular lug plate.

[0015] The outer connection end and the inner connection end are circular rings, and the two are connected through an outward extending arm.

[0016] In some embodiments, the integrated panel is provided with a plurality of second through holes for connecting the vehicle body sheet metal, and a grounding hole, an inner panel bush is interference riveted in each second through hole, and a second threaded part passes through the inner panel bush and the grounding bush to connect the vehicle body sheet metal.

[0017] In some embodiments, the charging socket is a direct current charging socket or an alternating current charging socket.

[0018] In some embodiments, when the charging socket is an alternating current charging socket, the adapter copper bar has a three-dimensional bending structure.

[0019] When the charging socket is a direct current charging socket, the adapter copper bar has a planar bending structure.

[0020] In some embodiments, when the charging socket is an alternating current charging socket, the alternating current connection end of the grounding copper bar is integrally and vertically connected with one side of the grounding end through a longitudinal straight plate.

[0021] When the charging socket is a direct current charging socket, the direct current connecting end of the grounding copper bar is integrally connected with the grounding end head through the longitudinal inclined section.

[0022] In some embodiments, when the alternating current charging socket and the direct current charging socket are integrally installed on the integrated panel, the grounding copper bar comprises a grounding end head, a direct current connecting end and an alternating current connecting end, the direct current connecting end is integrally connected with the grounding end head through the longitudinal inclined section, and the alternating current connecting end is integrally and vertically connected with one side of the grounding end head through the longitudinal straight plate. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a front view of a charging socket with a novel convenient grounding structure according to an embodiment of the present application;

[0024] Figure 2 FIG. 2 is a three-dimensional view of the charging socket with the novel convenient grounding structure shown in FIG. 1; Figure 1

[0025] Figure 3 FIG. 3 is a three-dimensional view of a grounding assembly shown in FIG. 1; Figure 2

[0026] Figure 4 FIG. 4 is a three-dimensional view of a switching copper bar shown in FIG. 1; Figure 3

[0027] Figure 5 FIG. 5 is a three-dimensional view of the integrated installation of the direct current charging socket and the alternating current charging socket shown in FIG. 1; Figure 1

[0028] Figure 6 FIG. 6 is a three-dimensional view of the grounding assembly shown in FIG. 5; Figure 5

[0029] Figure 7 FIG. 7 is a three-dimensional view of the grounding copper bar shown in FIG. 5; Figure 6

[0030] Figure 8 FIG. 8 is a three-dimensional view of the switching copper bar of the direct current charging socket shown in FIG. 5; Figure 6

[0031] Alternating current charging socket 00;

[0032] Front mounting plate 01;

[0033] Rear mounting plate 02, first through hole 020, switching hole 021, circular ear plate 022, and avoiding recess 023;

[0034] Grounding terminal 03, and lead pipe 031;

[0035] ​​​​​​​Grounding assembly 04, adapter copper bar 1, inner connection end 11, outer connection end 12, inner connection hole 13, outer extension arm 14, vertical section 141, avoidance section 142, heightening section 143, inclined radial section 144, transverse section 145, grounding copper bar 2, grounding end 21, DC connection end 22, AC connection end 23, longitudinal inclined section 24, longitudinal straight plate 25, grounding bushing 3, first screw 4;

[0036] Panel 05, grounding hole 050, second through hole 051, panel bushing 052;

[0037] DC charging socket 06. DETAILED DESCRIPTION

[0038] The utility model will be described in further detail below in connection with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" 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.

[0039] Figures 1 to 8 A charging socket with a novel convenient grounding structure is schematically shown according to an embodiment of the utility model. As shown in the figure, the charging socket with the novel convenient grounding structure comprises:

[0040] Front mounting plate 01, front mounting plate 01 is attached to panel 05;

[0041] Rear mounting plate 02, first screw 4 passes through first through hole 020 of the four corners of rear mounting plate 02, and front mounting plate 01 is fixedly connected to panel 05;

[0042] Grounding terminal 03, grounding terminal 03 is connected to front mounting plate 01 through the front end shaft sleeve and is inserted into the adapter hole 021 of rear mounting plate 02 through the rear end;

[0043] Grounding assembly 04, grounding assembly 04 comprises adapter copper bar 1, grounding copper bar 2 and conductive grounding bushing 3, adapter copper bar 1 is integrally injection molded in rear mounting plate 02, inner connection end 11 of adapter copper bar 1 is exposed outside adapter hole 021 and is attached to grounding terminal 03, and outer connection end 12 is connected to first through hole 020 through the shaft sleeve, outer connection end 12 is exposed outside first through hole 020 and is attached to the inner end of grounding copper bar 2 through first screw 4, the outer end of grounding copper bar 2 is attached to grounding bushing 3, and grounding bushing 3 is sleeved with grounding hole 050 of integrated panel 05;

[0044] Integrated panel 05, integrated panel 05 is assembled on the car body sheet metal, grounding bushing 3 contacts the car body sheet metal, grounding terminal 03, adapter copper bar 1, grounding copper bar 2, grounding bushing 3 and the car body sheet metal are conductive, and the grounding function of the charging socket is realized.

[0045] The charging socket with the novel convenient grounding structure has the following beneficial effects: firstly, the adapter copper bar 1 is integrally injection molded in the rear mounting plate 02, the grounding bush 3 is fixedly connected in the grounding hole 050 of the panel 05, during assembly, only the adapter copper bar 1 and the grounding copper bar 2, and the grounding copper bar 2 and the grounding bush 3 need to be connected by using threaded parts, and then the internal assembly of the product can be completed, during on-site assembly, the grounding bush 3 directly contacts the body panel, and thus the grounding function is realized, no cable and on-site assembly are needed, compared with the cable structure, no part via hole and sealing setting are needed, and no grounding re-assembly is needed, the assembly is simple, the working hours are less, and the assembly efficiency is high; secondly, the grounding structure is an integrally injection molded structure, is not easy to damage, and is convenient to disassemble and maintain; thirdly, the grounding structure shares the first through hole 020 of the rear mounting plate 02 and the first threaded part 4 as an adapter structure, the product structure and the assembly process are simplified, the assembly is simple, and the production cost is reduced.

[0046] Further, the grounding terminal 03 is provided with a lead pipe 031 at the rear end, the lead pipe 031 is gap-connected to the adapter hole 021 and is interference-sleeved to the inner lead hole 13 of the inner lead 11. Preferably, the lead pipe 031 is connected to the adapter hole 021 through riveting, so that the adapter copper bar 1 and the grounding terminal 03 are hard-connected into an integral whole. The beneficial effect is that the riveting connection structure is simple, is suitable for use in a high-temperature environment, can realize high-strength and high-rigidity metal structure connection, and is tightly connected.

[0047] Further, the lead pipe 031 of the PE terminal 03 is integrally injection molded at the front end of the adapter hole 021, and then the injection molding is performed to seal the injection molding surface of the grounding terminal 03. Preferably, a sealing ring is arranged at the connection position between the adapter hole 021 and the front mounting plate 01, and the rear end of the adapter hole 021 is interference-sleeved with a blind plug. The beneficial effect is that the arrangement realizes a good sealing structure, prevents water vapor from entering, and can effectively realize the grounding function.

[0048] Further, the rear mounting plate 02 is provided with a circular ear plate 022 at four corners, the circular ear plate 022 is provided with an avoiding groove 023 above, and the outer lead 12 is located in the avoiding groove 023 and is attached to the upper surface of the circular ear plate 022.

[0049] The outer lead 12 and the inner lead 11 are circular rings, and the two are connected through the outward extending arm 14 located in the vertical surface. The beneficial effect is that the arrangement makes the structure compact and effectively reduces the product volume.

[0050] Further, the integrated panel 05 is provided with a plurality of second through holes 051 for connecting the body panel, a grounding hole 050, and an interference press riveting panel bushing 052 in each second through hole 051, and a second threaded member passes through the panel bushing 052 and the grounding bushing 3 to connect the body panel. Preferably, three second through holes 051 are located on the cylindrical lugs of the integrated panel 05, and the grounding hole 050 is located in the integrated panel 05. The beneficial effect is that the grounding structure grounding hole 050 and the corresponding threaded member serve as a common connection structure, reducing the use of one assembly screw, simplifying the product structure and assembly process, and reducing the generation cost.

[0051] Preferably, the circumferential array of the hole wall of the second through hole 051 and the grounding hole 050 is provided with a vertical rib, and the panel bushing 052 and the grounding bushing 3 are respectively elastically interference tensioned and connected in the second through hole 051 and the grounding hole 050; the beneficial effect is that the setting has good connection strength.

[0052] Further, the charging socket is a direct current charging socket or an alternating current charging socket.

[0053] Preferably, when the charging socket is an alternating current charging socket 00, the adapter copper bar 1 is a three-dimensional bending structure, the vertical section 141 of the outer arm 14 is integrally connected with the inner connection end 11, the vertical section 141 is integrally connected with the inclined avoidance section 142 at the end, the avoidance section 142 is located between the pipe holes of the rear mounting plate 02, the avoidance section 142 is integrally connected with the longitudinal inclined elevation section 143 at the end, and the elevation section 143 is integrally connected with the outer connection end 12 at the end.

[0054] When the charging socket is a direct current charging socket 06, the adapter copper bar 1 is a planar bending structure, the inclined radial section 144 of the outer arm 14 is integrally connected with the transverse section 145, the transverse section 145 is integrally connected with the outer connection end 12, the grounding copper bar 2 includes a grounding end 21 and a direct current connection end 22, and the direct current connection end 22 is integrally connected with the grounding end 21 through a longitudinal inclined section 24. The beneficial effect is that the structure can optimize the overall structure, improve the adapter space, and facilitate the arrangement of other parts.

[0055] Further, when the charging socket is an alternating current charging socket 00, the grounding copper bar 2 includes a grounding end 21 and an alternating current connection end 23, and the alternating current connection end 23 is integrally and vertically connected to one side of the grounding end 21 through a longitudinal straight plate 25.

[0056] When the charging socket is a direct current charging socket 06, the grounding copper bar 2 includes a grounding end 21 and a direct current connection end 22, and the direct current connection end 22 is integrally connected with the grounding end 21 through a longitudinal inclined section 24.

[0057] The integrated panel 05 is preferably provided with an AC charging socket 00 and a DC charging socket 06, and the grounding copper bar 2 comprises a grounding end 21, a DC connecting end 22 and an AC connecting end 23, the DC connecting end 22 is integrally connected to the grounding end 21 through a longitudinal inclined section 24, and the AC connecting end 23 is integrally and vertically connected to one side of the grounding end 21 through a longitudinal straight plate 25. The beneficial effects are that the setting shares one grounding copper bar, simplifies the structure and parts, reduces the product volume and cost.

[0058] The above is only 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 scope of the present application.

Claims

1. A charging socket with a new convenient grounding structure, characterized in that, The utility model relates to a charging socket grounding terminal and grounding assembly, and belongs to the technical field of charging socket. It comprises: a front mounting plate (01) which is attached to a panel (05); a rear mounting plate (02) through which a first screw (4) passes through a first through hole (020) at the four corners of the rear mounting plate (02) to fix and connect the panel (05) with the front mounting plate (01); a grounding terminal (03) which is connected to the front mounting plate (01) through a front end shaft sleeve and is inserted into the adapter hole (021) of the rear mounting plate (02) through a rear end sleeve; a grounding assembly (04) which comprises an adapter copper bar (1), a grounding copper bar (2) and a conductive grounding bushing (3), the adapter copper bar (1) is integrally injection molded in the rear mounting plate (02), the inner connection end (11) of the adapter copper bar (1) is exposed outside the adapter hole (021) to attach to the grounding terminal (03) and the outer connection end (12) is connected to the first through hole (020) through a shaft sleeve, the outer connection end (12) is exposed outside the first through hole (020) to attach to the inner end of the grounding copper bar (2) and is connected through the first screw (4), the outer end of the grounding copper bar (2) is attached to the grounding bushing (3), and the grounding bushing (3) is sleeved with a grounding hole (050) of an integrated panel (05); 2. The charging socket with new convenient grounding structure according to claim 1, characterized in that, the integrated panel (05) is assembled on the body sheet metal, the grounding bushing (3) contacts the body sheet metal, the grounding terminal (03), the adapter copper bar (1), the grounding copper bar (2), the grounding bushing (3) and the body sheet metal are conductive, and the grounding function of the charging socket is realized.

3. The charging socket with novel convenient grounding structure according to claim 2, characterized in that, The rear end of the grounding terminal (03) is provided with a lead pipe (031), the lead pipe (031) is gap sleeved with the adapter hole (021) and is connected to the inner connection hole (13) of the inner connection end (11) through interference fitting.

4. The charging socket with novel convenient grounding structure according to claim 3, characterized in that, The lead pipe (031) is connected to the adapter hole (021) through riveting, so that the adapter copper bar (1) and the grounding terminal (03) are hard connected into one whole.

5. The charging socket with novel convenient grounding structure according to claim 1, characterized in that, The lead pipe (031) is integrally injection molded at the front end of the adapter hole (021), and the injection molding of the grounding terminal (03) is sealed through injection molding and rubber coating. The circular lug (022) at the four corners of the rear mounting plate (02) is provided with an avoiding groove (023) above, and the outer connection end (12) is located in the avoiding groove (023) and attached to the upper surface of the circular lug (022); 6. The charging socket with new convenient grounding structure according to claim 1, characterized in that, The outer connection end (12) and the inner connection end (11) are circular rings, and the two are connected through an outward arm (14).

7. The charging socket with novel convenient grounding structure according to any one of claims 1 to 6, characterized in that, The integrated panel (05) is provided with a plurality of second through holes (051) for connecting the body sheet metal, a grounding hole (050), an interference riveting panel bushing (052) in each second through hole (051), and a second threaded member which passes through the panel bushing (052) and the grounding bushing (3) to connect the body sheet metal.

8. The charging socket with novel convenient grounding structure according to claim 7, characterized in that, The charging socket is a direct current charging socket or an alternating current charging socket. When the charging socket is an alternating current charging socket (00), the adapter copper bar (1) is a three-dimensional bending structure; 9. The charging socket with novel convenient grounding structure according to claim 7, characterized in that, When the charging socket is a direct current charging socket (06), the adapter copper bar (1) is a plane bending structure. When the charging socket is an alternating current charging socket (00), the alternating current connection end (23) of the grounding copper bar (2) is integrally and vertically connected to one side of the grounding terminal (21) through a longitudinal straight plate (25). When the charging socket is a direct current charging socket (06), the direct current connecting end (22) of the grounding copper bar (2) is integrally connected with the grounding end head (21) through the longitudinal inclined section (24).

10. The charging socket with novel convenient grounding structure according to claim 7, characterized in that, The integrated panel (05) is integrated with an alternating current charging socket (00) and a direct current charging socket (06), the grounding copper bar (2) comprises a grounding end head (21), a direct current connecting end (22) and an alternating current connecting end (23), the direct current connecting end (22) is integrally connected with the grounding end head (21) through the longitudinal inclined section (24), and the alternating current connecting end (23) is integrally and vertically connected with one side of the grounding end head (21) through the longitudinal straight plate (25).