A charging socket insulation module and a charging socket

Abstract

This utility model relates to the field of components for connecting devices, specifically to a charging socket insulation module and a charging socket. This charging socket insulation module addresses the problem that the drainage structure of existing charging socket insulation modules affects their structural strength. The charging socket insulation module of this utility model includes an insulator and a socket contact. The insulator has several insertion holes for the socket contact to extend into and a plug contact to insert into. The insulator also has several drainage channels connecting the insertion holes to the outside of the insulator. These drainage channels extend downwards, and at least some of them connect to two or more insertion holes at different heights. The drainage channels are located at the root of each insertion hole. This reduces the weakening of the structural strength of the charging socket insulation module caused by the drainage channels, and also makes the drainage channels more concealed, minimizing their impact on the appearance of the charging socket insulation module.

Description

Technical Field

[0001] This utility model relates to the field of components for connecting devices, specifically to an insulation module for a charging socket and a charging socket. Background Technology

[0002] With the development and popularization of electric vehicle technology, the research on electric vehicle charging sockets has become a crucial part. Electric vehicles sometimes charge at outdoor charging stations. When it rains, rainwater can flow into the plug holes of the charging socket insulation module, which can seriously affect the insulation of the entire vehicle and affect its service life.

[0003] Chinese utility model patent CN211126202U discloses a charging socket with drainage function. This charging socket includes a socket housing and a plug mechanism (i.e., a charging socket insulation module) placed in the insertion cavity of the socket housing. The plug mechanism has insertion holes for socket contacts to extend into and plug contacts to insert into. Connecting grooves are provided between adjacent insertion holes to allow them to communicate with each other. A guide groove communicating with the insertion cavity of the socket housing is provided at the bottom of the lowest insertion hole. When rainwater falls into the insertion holes of the plug mechanism, the water in the upper insertion holes will flow along the connecting grooves into the lower insertion holes, until it flows into the corresponding lowest insertion hole, and then into the insertion cavity through the guide groove of that insertion hole. The flow path of the water is relatively long, resulting in low drainage efficiency. Furthermore, because the connecting grooves and guide grooves are arranged along the axial direction of each insertion hole, they affect the structural strength of the charging socket and have a significant impact on its appearance. Utility Model Content

[0004] The purpose of this utility model is to provide a charging socket insulation module to solve the problem that the drainage structure of the existing charging socket insulation module affects its own structural strength; the purpose of this utility model is also to provide a charging socket to solve the problem that the drainage structure of the existing charging socket insulation module affects its own structural strength.

[0005] To solve the above-mentioned technical problems, the present invention provides a charging socket insulation module including an insulator and a socket contact. The insulator is provided with a plurality of insertion holes for the socket contact to extend into and the plug contact to be inserted into. The insulator is provided with a plurality of drainage channels connecting the insertion holes to the outside of the insulator. The drainage channels extend downward and at least some of the drainage channels connect two or more insertion holes at different heights. The drainage channels are provided at the root of each insertion hole.

[0006] Furthermore, the drainage channel extends in a straight line.

[0007] Furthermore, the insulator is a one-piece injection molded insulator, and the drainage channel is a lateral core-pulling channel.

[0008] Furthermore, the width of the drainage channel section connecting the two plug holes is smaller than the width of the drainage channel section directly connected to the outside of the insulator.

[0009] Furthermore, the charging socket insulation module is the insulation module of the CCS2 socket. Its PP plug hole and L1 plug hole are connected to the outside of the insulator through the first drainage channel, the CP plug hole and N plug hole are connected to the outside of the insulator through the second drainage channel, the PE plug hole and one of the L3 and L2 plug holes are connected to the outside of the insulator through the third drainage channel, and the other plug hole of the L3 and L2 plug holes is connected to the outside of the insulator through the fourth drainage channel.

[0010] This utility model proposes a modified technical solution to address the aforementioned technical problems by arranging the drainage channels at the root of each plug hole. This reduces the weakening of the structural strength of the charging socket insulation module by the drainage channels, while also making the drainage channels more concealed and having less impact on the appearance of the charging socket insulation module.

[0011] Another aspect of this utility model provides a charging socket, which includes a socket housing and a charging socket insulation module. The socket housing is provided with an insertion cavity for installing the charging socket insulation module. The charging socket insulation module includes an insulator and a socket contact. The insulator is provided with a plurality of insertion holes for the socket contact to extend into and for the plug contact to be inserted. The insulator is provided with a plurality of drainage channels connecting the insertion holes to the outside of the insulator. The drainage channels extend downward, and at least some of the drainage channels connect two or more insertion holes at different heights. The drainage channels are provided corresponding to the root of each insertion hole.

[0012] Furthermore, the drainage channel extends in a straight line.

[0013] Furthermore, the insulator is a one-piece injection molded insulator, and the drainage channel is a lateral core-pulling channel.

[0014] Furthermore, the width of the drainage channel section connecting the two plug holes is smaller than the width of the drainage channel section directly connected to the outside of the insulator.

[0015] Furthermore, the charging socket insulation module is the insulation module of the CCS2 socket. Its PP plug hole and L1 plug hole are connected to the outside of the insulator through the first drainage channel, the CP plug hole and N plug hole are connected to the outside of the insulator through the second drainage channel, the PE plug hole and one of the L3 and L2 plug holes are connected to the outside of the insulator through the third drainage channel, and the other plug hole of the L3 and L2 plug holes is connected to the outside of the insulator through the fourth drainage channel.

[0016] This utility model proposes a modified technical solution to address the aforementioned technical problems by arranging the drainage channels at the root of each plug hole. This reduces the weakening of the structural strength of the charging socket insulation module by the drainage channels, while also making the drainage channels more concealed and having less impact on the appearance of the charging socket insulation module. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a charging socket according to the present invention;

[0018] Figure 2 This is a cross-sectional view of an insulation module for a charging socket according to the present invention;

[0019] Figure 3 for Figure 2 The front view.

[0020] In the diagram: 1. Insulation module of charging socket; 11. Plug hole; 12. Connecting ear; 13. Socket contact; 14. First drainage channel; 15. Second drainage channel; 16. Third drainage channel; 17. Fourth drainage channel; 18. Insulator; 2. Socket housing; 21. Connecting flange; 3. AC charging module; 4. DC charging module. Detailed Implementation

[0021] This utility model proposes a modified technical solution to address the aforementioned technical problems. The core concept of this utility model is to arrange the drainage channel at the root of each plug hole. This reduces the weakening of the structural strength of the charging socket insulation module by the drainage channel, and at the same time, makes the drainage channel more concealed and has less impact on the appearance of the charging socket insulation module.

[0022] Based on the above concept, the present invention provides a charging socket insulation module including as follows: Figure 2 , Figure 3The insulator 18 and the socket contact 13 are shown. The edge of the insulator 18 is provided with connecting ears 12 for connecting with the socket housing 2. The insulator 18 is provided with a plurality of insertion holes 11 for the socket contact 13 to extend into and for the plug contact to be inserted. The insulator 18 is provided with a plurality of drainage channels connecting the insertion holes 11 and the outside of the insulator 18. The drainage channels extend downward and at least some of the drainage channels connect two or more insertion holes 11 at different heights. The drainage channels are provided corresponding to the root of each insertion hole 11. In existing technologies, water accumulating in high-level plug-in holes needs to drain from the connecting groove through the corresponding lower plug-in holes and out through the guide groove of the lowest corresponding plug-in hole, resulting in a relatively long drainage path. In this solution, at least some drainage channels connect two or more plug-in holes at different heights. Thus, at least some of the upper plug-in holes 11 can drain water using the drainage structure of the lower plug-in holes 11 connected to them, resulting in a shorter drainage path and improved water drainage efficiency. This also facilitates the arrangement of the drainage channels. Since the drainage channels are only located at the base of each plug-in hole 11, the weakening of the structural strength of the charging socket insulation module 1 by the drainage channels is reduced. Furthermore, the drainage channels are more concealed, minimizing their impact on the appearance of the charging socket insulation module 1.

[0023] In this embodiment, the drainage channel extends along a straight line. Thus, the drainage channel segment connecting the two insertion holes 11 and the drainage channel segment directly communicating with the outside of the insulator 18 are both on the same straight line, ensuring smooth water flow and improving drainage efficiency. Furthermore, in other embodiments, the drainage channels may not extend in a straight line; that is, the drainage channel segment connecting the two insertion holes and the drainage channel segment directly communicating with the outside of the insulator may be arranged at an alternating angle. Of course, in other embodiments, the drainage channel may also extend along a curve, as long as reliable drainage is ensured.

[0024] In this embodiment, the insulator 18 is a one-piece injection-molded insulator, and each drainage channel is a lateral core-pulling channel. The core-pulling channels are simple to manufacture and, once manufactured, can efficiently drain water accumulated in the insertion hole 11. Furthermore, in other embodiments, the pipes can be pre-positioned in the mold; after casting, the pipes constitute the drainage channels.

[0025] In this embodiment, the width of the drainage channel segment connecting the two insertion holes 11 is smaller than the width of the drainage channel segment directly communicating with the outside of the insulator 18. This facilitates lateral core pulling operations. Furthermore, in other embodiments, the width of the drainage channel segment connecting the two insertion holes may be the same as the width of the drainage channel segment directly communicating with the outside of the insulator.

[0026] In this embodiment, the insulation module of the charging socket is the insulation module of a CCS2 socket. CCS2 is the European electric vehicle charging standard, which complies with the IEC 62196-3 standard for plugs used in electric vehicle charging systems. Its plug positions are arranged in three rows. The first row has two plug positions 11: a PP plug position and a CP plug position. The second row has three plug positions 11: an L1 plug position, a PE plug position, and an N plug position. The third row has two plug positions 11: an L2 plug position and an L3 plug position. The PP and L1 plug holes are connected to the outside of the insulator 18 through the first drainage channel 14; the CP and N plug holes are connected to the outside of the insulator 18 through the second drainage channel 15; the PE plug hole is connected to one of the L3 and L2 plug holes through the third drainage channel 16; and the other of the L3 and L2 plug holes is connected to the outside of the insulator 18 through the fourth drainage channel 17. In this structure, the PP and CP plug holes are connected to the L1 and N plug holes located at the edge of the second row, respectively, simplifying the arrangement of the drainage channels and shortening the path for water drainage. Furthermore, in other embodiments, the PP, PE, and L3 plug holes can all be connected to the outside of the insulator through the same drainage channel; the CP and N plug holes can also be connected to the outside of the insulator through the same drainage channel; and the L1 and L2 plug holes can also be connected to the outside of the insulator through the same drainage channel. It is only necessary to ensure the reliability of drainage. Additionally, when the charging socket insulation module is a national standard socket or a British standard socket insulation module, the drainage channel provided on it can also be consistent with the drainage channel in this embodiment.

[0027] Another aspect of this utility model provides a charging socket, such as Figure 1 As shown, the charging socket includes a socket housing 2 and a charging socket insulation module 1. The socket housing 2 is provided with an insertion cavity for installing the charging socket insulation module 1. The socket housing 2 is provided with a connecting flange 21 for connecting to the mounting panel on the vehicle body. The charging socket in this embodiment is a CCS2 socket, which houses a DC charging module 4 and an AC charging module 3. Both the DC charging module 4 and the AC charging module 3 are installed in the same insertion cavity. The AC charging module 3 is the aforementioned charging socket insulation module 1. A drain outlet is provided at the lower part of the insertion cavity of the socket housing 2. When there is water accumulation in the insertion hole 11 in the charging socket insulation module 1, the water flows out through the drainage channel of the charging socket insulation module 1 into the insertion cavity of the socket housing, and is discharged from the charging socket through the drain outlet at the lower part of the insertion cavity. Since the charging socket insulation module is the same as the above-described embodiment of the charging socket insulation module, it will not be described again here.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. The patent protection scope of the present utility model shall be determined by the claims. Similarly, any equivalent structural changes made based on the description and drawings of the present utility model shall also be included within the protection scope of the present utility model.

Claims

1. A charging socket insulation module, characterized in that: It includes an insulator (18) and a socket contact (13). The insulator (18) is provided with a plurality of plug holes (11) for the socket contact (13) to extend into and for the plug contact to be inserted. The insulator (18) is provided with a plurality of drainage channels connecting the plug holes (11) and the outside of the insulator (18). The drainage channels extend downward and at least some of the drainage channels connect two or more plug holes (11) at different heights. The drainage channels are provided at the root of each plug hole (11).

2. The charging socket insulation module according to claim 1, characterized in that: The drainage channel extends in a straight line.

3. The charging socket insulation module according to claim 2, characterized in that: The insulator (18) is an integral injection molded insulator, and the drainage channel is a lateral core-pulling channel.

4. The charging socket insulation module according to claim 3, characterized in that: The width of the drainage channel section connecting the two plug holes (11) is smaller than the width of the drainage channel section that directly communicates with the outside of the insulator (18).

5. The charging socket insulation module according to any one of claims 1-4, characterized in that: The charging socket insulation module is the insulation module of the CCS2 socket. Its PP plug hole and L1 plug hole are connected to the outside of the insulator (18) through the first drainage channel (14), the CP plug hole and N plug hole are connected to the outside of the insulator (18) through the second drainage channel (15), the PE plug hole and one of the L3 plug hole and L2 plug hole are connected to the outside of the insulator (18) through the third drainage channel (16), and the other plug hole of the L3 plug hole and L2 plug hole is connected to the outside of the insulator (18) through the fourth drainage channel (17).

6. A charging socket, characterized in that: The device includes a socket housing (2) and a charging socket insulation module (1). The socket housing (2) is provided with an insertion cavity for installing the charging socket insulation module (1). The charging socket insulation module (1) includes an insulator (18) and a socket contact (13). The insulator (18) is provided with a plurality of insertion holes (11) for the socket contact (13) to extend into and for the plug contact to be inserted. The insulator (18) is provided with a plurality of drainage channels connecting the insertion holes (11) and the outside of the insulator (18). The drainage channels extend downward and at least some of the drainage channels connect two or more insertion holes (11) at different heights. The drainage channels are provided at the root of each insertion hole (11).

7. The charging socket according to claim 6, characterized in that: The drainage channel extends in a straight line.

8. The charging socket according to claim 7, characterized in that: The insulator (18) is an integral injection molded insulator, and the drainage channel is a lateral core-pulling channel.

9. The charging socket according to claim 8, characterized in that: The width of the drainage channel section connecting the two plug holes (11) is smaller than the width of the drainage channel section that directly communicates with the outside of the insulator (18).

10. The charging socket according to any one of claims 6-9, characterized in that: The charging socket insulation module is the insulation module of the CCS2 socket. Its PP plug hole and L1 plug hole are connected to the outside of the insulator (18) through the first drainage channel (14), the CP plug hole and N plug hole are connected to the outside of the insulator (18) through the second drainage channel (15), the PE plug hole and one of the L3 plug hole and L2 plug hole are connected to the outside of the insulator (18) through the third drainage channel (16), and the other plug hole of the L3 plug hole and L2 plug hole is connected to the outside of the insulator (18) through the fourth drainage channel (17).

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