A socket for electric vehicle charging

Abstract

The application provides a socket for charging an electric vehicle, and relates to the technical field of vehicle charging accessories. The socket comprises a socket body, wherein the socket body is provided with a first cavity and a second cavity, the first cavity is located on one side of the second cavity, the first cavity is used for plugging with a charging cable of a cable assembly, and the second cavity is used for plugging with a low-voltage plug of the cable assembly; and a fastening assembly is detachably connected with the charging cable of the cable assembly through the first cavity from the outside of the socket body. The application realizes the detachable connection of the charging cable of the cable assembly and the socket body through the fastening assembly, facilitates the physical separation of the socket body and the cable assembly, realizes the rapid reuse of the cable assembly, avoids the replacement of the entire cable assembly, reduces the maintenance time and maintenance cost, and simplifies the operation.

Description

Technical Field

[0001] This application relates to the field of automotive charging accessories technology, and more particularly to a socket for charging electric vehicles. Background Technology

[0002] Electric vehicles or hybrid vehicles are powered by electricity. When charging an electric vehicle, the connection terminals of the charging equipment are electrically connected to the terminals of the socket so that the charging equipment can supply power to the vehicle.

[0003] Existing electric vehicle charging sockets, such as DC charging sockets, consist of a socket interface and a charging cable, which are integrated into a single unit through crimping or ultrasonic welding.

[0004] However, when a socket needs to be replaced due to prolonged use or damage, the socket interface and the entire charging cable must be replaced, which is time-consuming, labor-intensive, and costly. Utility Model Content

[0005] This application provides a socket and vehicle for charging electric vehicles, which solves the problem that when a socket is used for too long or is damaged and needs to be replaced, it is necessary to replace the socket interface and the entire charging cable, which is time-consuming, labor-intensive and costly.

[0006] To achieve the above objectives, the technical solution of this application is as follows:

[0007] This application provides a socket for charging electric vehicles, comprising: a socket body having a first cavity and a second cavity, the second cavity being located on one side of the first cavity, the first cavity being used for plugging into a charging cable of a cable assembly, the second cavity being used for plugging into a low-voltage connector of the cable assembly, and a fastening assembly being detachably connected to the charging cable of the cable assembly from the outside of the socket body through the first cavity.

[0008] In one possible implementation, the socket for charging electric vehicles in this application embodiment includes a fastening assembly comprising a first fastener, a socket body having a first connection hole communicating with a first cavity, and the first fastener being used for detachable connection with the charging cable of the cable assembly via the first connection hole and the first cavity in sequence.

[0009] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a separator in the socket body. The separator is disposed in a first cavity to divide the first cavity into at least two mounting cavities. The number of first fasteners is at least two, and the two first fasteners are connected to the two mounting cavities in a one-to-one correspondence. The mounting cavities are used for plugging in charging cables.

[0010] In one possible implementation, the fastening assembly of the socket for charging electric vehicles in this application embodiment further includes a second fastener for detachably connecting the grounding cable passing through the cable assembly to the socket body to fix the grounding cable to the outside of the first cavity.

[0011] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a second fastener that is detachably connected to the socket body through the grounding cable of the cable assembly.

[0012] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a sealing component, which covers the first fastener and is connected to the socket body to seal the gap between the first fastener and the socket body.

[0013] In one possible implementation, the socket for charging electric vehicles in this application embodiment has a sealing assembly including a first seal and a snap fastener. The first seal covers a first fastener, and the snap fastener abuts against the first seal and snaps into a first cavity.

[0014] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a second seal, which is used to be sleeved on the charging cable and connected to the socket body, and the second seal is used to seal the first cavity.

[0015] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a cable assembly. The cable assembly includes a connecting terminal with a first snap-fit ​​portion. The socket body has a second snap-fit ​​portion on at least one side. One end of the connecting terminal is inserted into a first cavity and detachably connected to a fastening assembly. The first snap-fit ​​portion is sleeved on the outer periphery of the first cavity and snaps into the second snap-fit ​​portion. The other end of the connecting terminal is used to connect to a charging cable.

[0016] In one possible implementation, the socket for charging electric vehicles in this application embodiment has a first connecting part on the connecting terminal. The first connecting part is used to be inserted into the first cavity and connected to the fastening assembly. The first connecting part is an OT terminal or a flat terminal.

[0017] In one possible implementation, the socket for charging electric vehicles in this application embodiment further includes a charging cable, a grounding cable, and a low-voltage connector. The charging cable is detachably connected to a first cavity, the low-voltage connector is detachably connected to a second cavity, and the grounding cable is detachably connected to the socket body.

[0018] This application provides a socket for charging electric vehicles, comprising: a socket body having a first cavity and a second cavity, the first cavity being located on one side of the second cavity; the first cavity being for plugging into the charging cable of a cable assembly; and the second cavity being for plugging into the low-voltage connector of the cable assembly; a fastening assembly being detachably connected to the charging cable of the cable assembly from the outside of the socket body through the first cavity. This application uses a fastening assembly to detachably connect the charging cable of the cable assembly to the socket body, facilitating the physical separation of the socket body from the cable assembly. When the socket body is damaged and needs replacement, only the fastening assembly needs to be removed to separate the socket body from the cable assembly, retaining the intact cable assembly (charging cable and low-voltage connector). Subsequently, a new socket body can be reassembled with the cable assembly through plugging and fastening, achieving rapid reuse of the cable assembly, avoiding the need to replace the entire cable assembly, reducing maintenance time and costs, and simplifying operation. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0020] Figure 1 An exploded view of the structure of a socket for charging electric vehicles provided in an embodiment of this application.

[0021] Figure 2 This is a schematic diagram of the assembly structure of a socket for charging electric vehicles provided in an embodiment of this application.

[0022] Explanation of reference numerals in the attached figures:

[0023] 100 - Socket body; 110 - First cavity; 120 - Second cavity; 130 - First connection hole; 140 - Second snap-fit ​​part; 150 - Separator; 151 - Mounting cavity; 200 - Fastening assembly; 210 - First fastener; 220 - Second fastener; 300 - Cable assembly; 310 - Charging cable; 320 - Low-voltage connector; 330 - Grounding cable; 340 - Connection terminal; 341 - First snap-fit ​​part; 400 - Sealing assembly; 410 - First seal; 420 - Clip; 430 - Second seal.

[0024] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0025] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0026] It should be noted that in the description of the embodiments of this application, the terms "upper", "lower", "inner", "outer" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description, and are not intended to indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of this application.

[0027] Furthermore, it should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] Existing electric vehicle charging sockets, such as DC charging sockets, consist of a socket interface and a charging cable, which are integrated into a single unit through crimping or ultrasonic welding. However, when the socket needs to be replaced due to prolonged use or damage, both the socket interface and the entire charging cable must be replaced, which is time-consuming, labor-intensive, and costly.

[0030] In view of this, this application provides a socket for charging electric vehicles, comprising: a socket body having a first cavity and a second cavity, the first cavity being located on one side of the second cavity, the first cavity being for plugging into the charging cable of a cable assembly, and the second cavity being for plugging into the low-voltage connector of the cable assembly, and a fastening assembly being detachably connected to the charging cable of the cable assembly from the outside of the socket body through the first cavity. This application uses a fastening assembly to detachably connect the charging cable of the cable assembly to the socket body, facilitating the physical separation of the socket body from the cable assembly. When the socket body is damaged and needs replacement, only the fastening assembly needs to be removed to separate the socket body from the cable assembly, retaining the intact cable assembly (charging cable and low-voltage connector). Subsequently, a new socket body can be reassembled with the cable assembly through plugging and fastening, achieving rapid reuse of the cable assembly, avoiding the need to replace the entire cable assembly, reducing maintenance time and costs, and simplifying operation.

[0031] This application provides a socket for charging electric vehicles, such as... Figure 1 As shown, it includes: a socket body 100, the socket body 100 having a first cavity 110 and a second cavity 120, the second cavity 120 being located on one side of the first cavity 110, the first cavity 110 being used to plug into the charging cable 310 of the cable assembly 300, the second cavity 120 being used to plug into the low-voltage connector 320 of the cable assembly 300, and a fastening assembly 200, the fastening assembly 200 being detachably connected from the outside of the socket body 100 through the first cavity 110 to the charging cable 310 of the cable assembly 300.

[0032] The socket body 100 is used for quick connection with the cable assembly 300, facilitating socket replacement as needed and allowing the socket to be detached from the cable assembly 300 without requiring a complete replacement of the socket and cable assembly 300. In use, the fastening component 200 connects to the cable assembly 300 from the outside of the socket body 100 through the first cavity 110 to secure the charging cable of the cable assembly 300 within the first cavity 110. Figure 1 and Figure 2 When the socket is damaged or needs to be replaced, the fastening component 200 is disconnected from the charging cable 310 of the cable assembly 300 and moves out from the first cavity 110 to the outside of the socket body 100. The charging cable of the cable assembly 300 is disconnected from the first cavity 110, thereby facilitating the disconnection of the cable and the socket.

[0033] The socket body 100 includes a cover body and a plug. The plug has a first cavity 110 and a second cavity 120, both located at the end of the plug opposite to the cover body. The cover body is used to open or close the ends of the first cavity 110 and the second cavity 120 that are opposite to the cable assembly 300. The first cavity 110 and the second cavity 120 can be integrally molded and then detachably connected to the plug to form a modular component, providing flexibility in disassembly and assembly of the socket body 100 and facilitating maintenance. Alternatively, the first cavity 110, the second cavity 120, and the plug can be integrally molded.

[0034] The second cavity 120 has a second receiving cavity for insertion into the low-voltage connector 320. The low-voltage connector 320 provides communication, control, and monitoring functions during the charging process of the electric vehicle.

[0035] This application embodiment enables quick connection and disconnection of the socket body 100 and the cable assembly. When the socket is damaged or needs to be replaced, it is not necessary to replace the entire socket and cable assembly; only the socket needs to be replaced. This simplifies the replacement process, makes maintenance more convenient, and reduces maintenance costs.

[0036] The fastening assembly 200 includes a first fastener 210. The socket body 100 has a first connection hole 130, which communicates with the first cavity 110. The first fastener 210 is used to detachably connect to the charging cable 310 of the cable assembly 300 via the first connection hole 130 and the first cavity 110.

[0037] This application does not limit the structure of the first fastener 210, which can be a screw, bolt, or bolt, etc. Specifically, the first fastener 210 is located on the bottom side of the socket body 100, the first connecting hole 130 is located in the middle of the bottom side of the socket body 100, the cable assembly 300 includes a charging cable 310, the charging cable 310 has a first connecting end, the first connecting end is inserted into the first receiving cavity, the first connecting end is provided with a connecting part, and the first fastener 210 is used to connect with the connecting part, the connecting part being a connecting hole.

[0038] This application utilizes a first fastener 210 that passes sequentially through the first connecting hole 130 and the first cavity 110 to thread into the connecting hole of the first connecting end of the charging cable 310. During disassembly, the charging cable 310 can be separated from the socket body 100 by unscrewing the first fastener 210. This detachable connection between the first fastener 210 and the charging cable 310 further strengthens the stability of the connection between the socket body 100 and the charging cable 310, while ensuring convenient separation, making it simpler to replace the socket or handle the charging cable 310 separately.

[0039] Furthermore, in some embodiments, the socket body 100 also includes a separator 150, such as Figure 1 As shown, a separator 150 is disposed within the first cavity 110 to divide the first cavity 110 into at least two mounting cavities 151. The mounting cavities 151 are used for insertion into the charging cable 310 of the cable assembly 300. At least two first fasteners 210 are present, and each of the two first fasteners 210 is connected to one of the two mounting cavities 151. That is, the charging cable 310 in each mounting cavity 151 is connected to the socket body 100 through a corresponding first fastener 210.

[0040] Specifically, a separator 150 is disposed in the middle of the inner wall of the first cavity 110 to divide the first cavity 110 into two equally sized mounting cavities 151. At least two charging cables 310 are also provided, with each cable 310 corresponding to one of the two mounting cavities 151. The two charging cables 310 have the same inner diameter, although their inner diameters may differ. The separator 150 is located on the left or right side of the first cavity 110 to divide it into two unequal mounting cavities 151. Each mounting cavity 151 is used for inserting different charging cables 310 of the cable assembly 300. For example, the two mounting cavities 151 can each correspond to charging cables 310 with different current specifications.

[0041] This application uses multiple first fasteners 210 to correspond one-to-one with multiple mounting cavities 151, so that each charging cable 310 can be individually and securely fixed. When it is necessary to replace one of the charging cables 310, simply loosen the corresponding first fastener 210 without operating on other cables. This realizes the individual replacement of the charging cable 310 (DC cable), further improving the flexibility and efficiency of maintenance.

[0042] In some embodiments, the fastening assembly 200 further includes a second fastener 220, which passes through the grounding cable 330 of the cable assembly 300 and is detachably connected to the socket body 100 to secure the grounding cable 330 to the outside of the first cavity 110.

[0043] To ensure charging safety, the grounding cable 330 is also secured by a second fastener 220. Specifically, the socket body 100 has a second connection hole, the grounding cable 330 has a second connection end, and the second connection end has a fixing hole. The second fastener 220 connects to the fixing hole to secure the grounding cable 330 to the outside of the socket body 100 or inside the first cavity 110. The grounding cable 330 is located on one side of the charging cable 310. The grounding cable 330 is a ground wire.

[0044] This application enables a detachable connection between the grounding cable 330 (ground wire) and the socket body 100 by setting the second fastener 220. When the grounding cable 330 is damaged or needs to be replaced, it can be removed and replaced simply by loosening the second fastener 220 without affecting other components. This enables the independent replacement of the grounding cable 330 (PE cable) and ensures the convenience of ground wire maintenance.

[0045] In some embodiments, a sealing component 400 is also included, which covers the first fastener 210 and is connected to the socket body 100 to seal the gap between the first fastener 210 and the socket body 100.

[0046] The sealing component 400 is mounted on the first fastener 210 and connected to the socket body 100. Made of rubber, the sealing component 400 fits tightly between the first fastener 210 and the socket body 100, effectively sealing the gap between them. The sealing component 400 enhances the socket's sealing performance, preventing moisture, dust, and other impurities from entering the socket through the gap between the first fastener 210 and the socket body 100, protecting the internal charging cables and connection structures, and improving the socket's lifespan and safety.

[0047] In some embodiments, the sealing assembly 400 includes a first seal 410 and a snap fastener 420. The first seal 410 covers the first fastener 210, and the snap fastener 420 abuts against the first seal 410 and snaps into the first cavity 110.

[0048] The first sealing element 410 is fitted onto the first fastener 210. The snap-fit ​​element 420 is an elastic plastic snap-fit, one end of which abuts against the first sealing element 410, and the other end is connected to the snap-fit ​​portion on the socket body 100, so as to fix the first sealing element 410 to the outside of the first cavity 110. The first sealing element 410 can be a blind plug.

[0049] The fastener 420 includes a connecting plate and two extension plates. The two extension plates are disposed opposite to each other on the connecting plate, and the extension direction of the extension plates is perpendicular to the extension direction of the connecting plate. Each extension plate has a snap-fit ​​groove, which is connected to the snap-fit ​​portion on the socket body 100. The connecting plate has at least two fixing grooves for accommodating a portion of the first fastener 210 to fix the first fastener 210 to the socket body 100.

[0050] This application uses a snap-fit ​​connection between the snap-fit ​​component 420 and the socket body 100 to ensure that the first sealing component 410 can be securely mounted on the first fastener 210, thus guaranteeing the reliability of the seal. At the same time, the snap-fit ​​connection facilitates the installation and removal of the sealing component 400. When it is necessary to operate the first fastener 210, the sealing component 400 can be quickly removed and reinstalled after the operation is completed, without affecting the sealing effect or the ease of operation.

[0051] In some embodiments, a second seal 430 is also included, which is used to be sleeved on the charging cable 310 and connected to the socket body 100, and is used to seal the first cavity 110.

[0052] The second sealing element 430 is a rubber sealing ring, which is fitted onto the charging cable 310 and its outer periphery is tightly connected to the opening of the first cavity 110 to seal the first cavity 110.

[0053] This application uses a second sealing element 430, which is fitted onto the charging cable 310 and connected to the socket body 100, to effectively seal the first cavity 110. This further prevents external impurities from entering the interior of the first cavity 110, providing double protection for the cable connection within the first cavity 110. This enhances the overall sealing performance of the socket and ensures the stability and safety of the cable connection.

[0054] In addition, this application also includes a cable assembly 300, which includes a connecting terminal 340. The connecting terminal 340 is provided with a first snap-fit ​​portion 341. The socket body 100 has a second snap-fit ​​portion 140 on at least one side. One end of the connecting terminal 340 is inserted into the first cavity 110 and is detachably connected to the fastening assembly 200. The first snap-fit ​​portion 341 is sleeved on the outer periphery of the first cavity 110 and snaps into the second snap-fit ​​portion 140. The other end of the connecting terminal 340 is used to connect to the charging cable 310.

[0055] One end of the connecting terminal 340 has an annular crimp tab with a central hole, such as Figure 1As shown, the central hole is used to connect with the first fastener 210, such as by bolts or screws, to the terminal block inside the socket body 100. The other end of the connecting terminal 340 has a sleeve for crimping the charging cable 310. After the charging cable 310 is inserted into the sleeve, pressure can be applied using special crimping pliers to deform the sleeve and tightly wrap and engage with the conductor of the charging cable 310, forming a reliable electrical and mechanical connection. This application facilitates quick fixing and replacement of the charging cable 310 through the connecting terminal 340. When other socket products are damaged or malfunctioning, the socket head of the other socket product can be directly cut off, the insulation layer of the charging cable 310 can be stripped to an appropriate length, and then inserted into the sleeve. The connecting terminal 340 can then be used to crimp the charging cable 310, thus completing a quick on-site replacement. Alternatively, the charging cable 310 with the connecting terminal 340 can be directly inserted into the first cavity 110 and then fixed by the first fastener 210.

[0056] The first engaging portion 341 of this application is an annular shell shape, which is sleeved on the outer periphery of the connecting terminal. One end of the annular shell is connected to the second sealing member 430. A plurality of grooves are spaced apart on the periphery of the annular shell, and a plurality of protrusions are spaced apart on the outer periphery of the first cavity 110 to form the second engaging portion 140. The protrusions engage with the grooves so that the first engaging portion 341 engages with the first cavity 110. Both the grooves and the protrusions extend along the insertion direction of the connecting terminal 340.

[0057] Alternatively, some of the protrusions may extend along the insertion direction of the connecting terminal 340, and the extension direction of the protrusions in the grooved portion may be perpendicular to the insertion direction of the connecting terminal 340.

[0058] In addition, the second engaging portion 140 also includes a stop portion, which engages with the side of the first engaging portion 341 opposite to the first cavity 110. The stop portion can be a spring clip.

[0059] The first latching part 341 and the second latching part 140 latch each other to further secure the connection between the charging cable 310 and the socket body 100. The latching of the first latching part 341 and the second latching part 140 enhances the stability of the connection between the charging cable 310 and the socket body 100, preventing the charging cable 310 from loosening or detaching from the first cavity 110 during use.

[0060] The connecting terminal 340 is provided with a first connecting portion, which is used to insert into the first cavity 110 and connect to the fastening assembly 200. The first connecting portion 340 is an OT terminal or a flat terminal. The flat terminal is connected to the charging cable 310 of the cable assembly 300 by ultrasonic welding. This application uses an OT terminal to facilitate a quick connection between the charging cable 310 and the socket body 100. An OT terminal (Open Barrel Terminal) is also called a circular cold-pressed terminal or an open terminal. For example, the connecting terminal 340 includes two first connecting portions, the first connecting portions being OT terminals, combined with... Figure 1 and Figure 2 Two OT terminals are respectively connected to two charging cables 310. A second sealing member 430 is sleeved on the end of the two OT terminals facing away from the first cavity 110. One end of the first snap-fit ​​portion 341 is sleeved on the second sealing member 430. The two charging cables 310 are partially inserted into the first snap-fit ​​portion 341 and connected to the two OT terminals respectively. It can be understood that one end of the first connecting portion is connected to the charging cable 310 by ultrasonic welding, and the other end is detachably connected to the first cavity 110, facilitating the assembly and disassembly of the connecting terminal 340 from the first cavity 110.

[0061] In some embodiments, the cable assembly 300 further includes a charging cable 310, a grounding cable 330, and a low-voltage connector 320. The charging cable 310 is detachably connected to the first cavity 110, the low-voltage connector 320 is detachably connected to the second cavity 120, and the grounding cable 330 is detachably connected to the socket body 100.

[0062] This application integrates a cable assembly 300, which offers higher compatibility between components, ensuring stable plugging and connection. Furthermore, because the components are detachable, if one component malfunctions, it can be replaced individually without replacing the entire cable assembly 300, reducing maintenance costs and improving maintenance efficiency.

[0063] The low-voltage connector 320 is a signal line connector. When the signal line needs to be replaced, simply pull the low-voltage connector 320 out of the second cavity 120 and replace it with a new signal line that has the low-voltage connector 320.

[0064] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the utility models disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.

[0065] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A socket for electric vehicle charging, characterized by, include: A socket body (100) has a first cavity (110) and a second cavity (120) on it. The second cavity (120) is located on one side of the first cavity (110). The first cavity (110) is used to connect with the charging cable (310) of the cable assembly (300), and the second cavity (120) is used to connect with the low-voltage connector (320) of the cable assembly (300). A fastening assembly (200) is detachably connected from the outside of the socket body (100) through the first cavity (110) to the charging cable (310) of the cable assembly (300).

2. The socket for charging electric vehicles according to claim 1, characterized in that, The fastening assembly (200) includes a first fastener (210), and the socket body (100) has a first connection hole (130) communicating with the first cavity (110). The first fastener (210) is used to detachably connect to the charging cable (310) of the cable assembly (300) via the first connection hole (130) and the first cavity (110).

3. The socket for charging electric vehicles according to claim 2, characterized in that, The socket body (100) further includes a separator (150) disposed in the first cavity (110) to divide the first cavity (110) into at least two mounting cavities (151). The number of the first fasteners (210) is at least two, and the two first fasteners (210) are connected to the two mounting cavities (151) in a one-to-one correspondence. The mounting cavities (151) are used to be plugged into the charging cable (310).

4. The socket for charging electric vehicles according to claim 2, characterized in that, The fastening assembly (200) further includes a second fastener (220) for detachably connecting the grounding cable (330) passing through the cable assembly (300) to the socket body (100) to secure the grounding cable (330) to the outside of the first cavity (110).

5. The socket for charging electric vehicles according to any one of claims 2-4, characterized in that, It also includes a sealing assembly (400) that covers the first fastener (210) and is connected to the socket body (100) to seal the gap between the first fastener (210) and the socket body (100).

6. The socket for charging electric vehicles according to claim 5, characterized in that, The sealing assembly (400) includes a first seal (410) and a snap fastener (420). The first seal (410) covers the first fastener (210), and the snap fastener (420) abuts against the first seal (410) and snaps into the first cavity (110).

7. The socket for charging electric vehicles according to claim 6, characterized in that, It also includes a second seal (430), which is used to be sleeved on the charging cable (310) and connected to the socket body (100), and the second seal (430) is used to seal the first cavity (110).

8. The socket for charging electric vehicles according to any one of claims 1-4, characterized in that, It also includes a cable assembly (300), which includes a connecting terminal (340) with a first snap-fit ​​portion (341) on the connecting terminal (340). At least one side of the socket body (100) has a second snap-fit ​​portion (140). One end of the connecting terminal (340) is inserted into the first cavity (110) and is detachably connected to the fastening assembly (200). The first snap-fit ​​portion (341) is sleeved on the outer periphery of the first cavity (110) and snaps into the second snap-fit ​​portion (140). The other end of the connecting terminal (340) is used to connect to the charging cable (310).

9. The socket for charging electric vehicles according to claim 8, characterized in that, The connection terminal (340) is provided with a first connection part, which is used to be inserted into the first cavity (110) and connected to the fastening assembly (200). The first connection part is an OT terminal or a flat terminal.

10. The socket for charging electric vehicles according to claim 8, characterized in that, The cable assembly (300) further includes a charging cable (310), a low-voltage connector (320), and a grounding cable (330). The charging cable (310) is detachably connected to the first cavity (110), the low-voltage connector (320) is detachably connected to the second cavity (120), and the grounding cable (330) is detachably connected to the socket body (100).

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