Charging terminals and charging socket for charging socket

Abstract

To provide a charging connection terminal and a charging socket that, when the charging connection terminal is damaged and needs to be repaired, allow a first engaging portion of the charging connection terminal to be detached from a first mating terminal to complete disassembly, and the first engaging portion of the undamaged charging connection terminal to be engaged and fixed to the first mating terminal, the step of which is simple in term of maintenance and can reduce maintenance costs.SOLUTION: The present invention provides a charging connection terminal applied to a charging socket, and provides a charging socket. The charging connection terminal includes a main body, a first engaging portion and a second engaging portion. The first engaging portion is configured to be pluggably connected to a first mating portion. The second engaging portion is configured to be engaged with a second mating terminal of an external charging device.SELECTED DRAWING: None

Description

Technical Field

[0001] The present invention relates to the technical field of chargers, and more particularly, to a charging connection terminal applied to a charging socket and a charging socket.

Background Art

[0002] In the world, as the pressure on energy and environment increases, the concepts of energy conservation and environmental protection are permeating various fields. In the case of the automotive industry, compared with conventional fuel engine vehicles and gas engine vehicles, electric vehicles powered by power batteries are gradually entering a wide range of practical stages due to their characteristics of cleanliness and environmental protection. With the popularization of electric vehicles, it is necessary to frequently charge the electric vehicles during use, and the structure of the charging connection terminal of the charging socket mounted on the vehicle has a great impact on the application performance and lifespan of the charging socket. In a charging socket, usually, the charging connection terminal has a structure that can be connected by a plug, and the charging connection terminal may be damaged when the charging socket is used multiple times. In the prior art, one end of the charging connection terminal of the charging socket is a female end electrically connected to an external power source, and the other end is riveted to a cable. When the charging connection terminal is damaged and needs to be repaired, the entire charging socket needs to be removed, so maintenance is difficult and the maintenance cost is relatively high.

Summary of the Invention

Problems to be Solved by the Invention

[0003] An object of the present invention is to provide a charging connection terminal applied to a charging socket and a charging socket that solve the technical problems existing in the prior art, namely, when the charging connection terminal of the charging socket is damaged and needs to be repaired, the maintenance difficulty is high and the maintenance cost is relatively high.

Means for Solving the Problems

[0004] To achieve the above objective, the technical solution employed in this application is to provide a charging connection terminal applicable to a charging socket. The charging connection terminal may have a body, a first engaging portion, and a second engaging portion. The first engaging portion is configured to pluggably connect with a first mating terminal. The second engaging portion is configured to engage with a second mating terminal of an external charging device.

[0005] In one embodiment, one end of the first engagement portion is fixedly connected to the second engagement portion, and the other end of the first engagement portion is a flat conductive sheet configured to be pluggable to the first mating terminal.

[0006] In one embodiment, the first engagement portion includes a guide structure positioned on the peripheral sidewall of the conductive sheet.

[0007] In one embodiment, the outer surfaces on both sides of the conductive sheet are electrical contact surfaces.

[0008] In one embodiment, the outer surface of the conductive sheet is provided with an anti-skid structure.

[0009] In one embodiment, the second engagement portion is cylindrical and comprises an upper end connected to the first engagement portion so as to be fixed to it, and a lower end (bottom end) opposite to the upper end, the circumferential inner wall of the lower end of the second engagement portion is enclosed to form a cylindrical cavity configured to connect axially to the second mating terminal and to be pluggable.

[0010] In one embodiment, the width of the first engaging portion is smaller than the cylindrical outer diameter of the second engaging portion.

[0011] In one embodiment, a sealing member is provided on the charging connection terminal, and the sealing member includes a sealing ring positioned around the outer surface of the second engagement portion and a sealing plug positioned inside (or within) a cylindrical cavity.

[0012] In one embodiment, the charging connection terminal is a single piece formed from a sheet having a uniform thickness.

[0013] In one embodiment, the first engagement portion includes a conversion part and a conductive sheet, the conversion part being connected between the main body and the conductive sheet, and the thickness of the conductive sheet being twice the thickness of the sheet.

[0014] In one embodiment, the conductive sheet is formed by partially laminating two identical sheets.

[0015] In one embodiment, the first engagement portion includes two conversion portions, each partially connected to two of the sheets.

[0016] In one embodiment, the charging connection terminal is an AC charging terminal.

[0017] The present invention further provides a charging socket comprising a socket housing having a terminal cavity and the charging connection terminals applied to the charging socket and disposed in the socket housing.

[0018] In one embodiment, a clamp elastic sheet is provided on the circumferential outer wall of the charging connection terminal, and a clamp portion that fits the clamp elastic sheet is provided on the inner wall of the socket housing. [Effects of the Invention]

[0019] The beneficial effects of the charging connection terminals provided by this application, which are applied to charging sockets, are Compared to the prior art, the charging connection terminal according to the present invention comprises a main body, a first engaging portion, and a second engaging portion, wherein the first engaging portion is configured to be pluggably connected to a first mating terminal, the first mating terminal clamps the first engaging portion for fixing, and the second engaging portion is configured to engage with a second mating terminal of an external charging device, the charging connection terminal is electrically connected to the external charging device via the second engaging portion, and the first engaging portion transmits electrical energy to the first mating terminal engaged with it, so that the electrical energy is transmitted to the battery. When a charging connector is damaged and needs repair, the first engaging portion of the charging connector is detached from the first mating terminal to complete disassembly, and the first engaging portion of an undamaged charging connector is then engaged and secured to the first mating terminal, thereby simplifying maintenance and reducing maintenance costs.

[0020] The beneficial effects of the charging socket provided in this application are: Compared to the prior art, the charging socket of the present invention comprises a socket housing having a terminal cavity, and the above-mentioned charging connection terminal applied to the charging socket and disposed in the socket housing, wherein the charging connection terminal comprises a body, a first engaging portion, and a second engaging portion, the first engaging portion being configured to be pluggably connected to a first mating terminal, the first mating terminal clamping and securing the first engaging portion, and the second engaging portion being configured to engage with a second mating terminal of an external charging device, the charging socket being electrically connected to the external charging device via the second engaging portion disposed in the socket housing, the first engaging portion transmitting electrical energy to the first mating terminal with which it is engaged, and thus electrical energy being transmitted to a battery connected to the charging socket. When the charging connector terminal of the charging socket is damaged and needs repair, the first engaging portion of the charging connector terminal is detached from the first mating terminal, removed from the socket housing to complete disassembly, and the undamaged charging connector terminal is installed back into the socket housing, with the first engaging portion re-engaged and secured to the first mating terminal, making maintenance easy and reducing maintenance costs. [Brief explanation of the drawing]

[0021] To more clearly explain the technical solutions in the embodiments of this application, the drawings required in the following description of the embodiments or the prior art will be briefly introduced below. Of course, the drawings in the following description are only part of the embodiments of the present invention, and other drawings can also be obtained by those skilled in the art without creative effort based on these drawings. [Figure 1] It is the first three-dimensional structure diagram of the charging connection terminal provided by one embodiment of the present invention. [Figure 2] It is the second three-dimensional structure diagram of the charging connection terminal provided by one embodiment of the present invention. [Figure 3] It is the front structure diagram of the charging connection terminal provided by one embodiment of the present invention. [Figure 4] It is the cross-sectional structure diagram of the charging connection terminal provided by one embodiment of the present invention. [Figure 5] It is the three-dimensional structure diagram of the charging connection terminal provided by another embodiment of the present invention.

Embodiments for Carrying out the Invention

[0022] To better understand the technical problems to be solved, technical solutions and beneficial effects of this application, the present application will be described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described in this specification are only used to explain this application and are not used to limit this application.

[0023] It should be noted that when a component is described as "fixed" or "arranged" on another component, it may be directly present on the other component or indirectly present. When a component is said to be "connected" to another component, it may be directly or indirectly connected to the other component.

[0024] In this specification, directions and positional relationships indicated by terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "internal," and "external" are based on the directions and positional relationships shown in the attached figures and are used solely for the purpose of describing the present invention. They should be understood as being used for explanatory convenience and not to indicate or imply that the shown devices or elements must have a particular orientation or are configured and operate in a particular orientation. Therefore, directions or positional relationships cannot be understood as limitations of this application.

[0025] Furthermore, the terms “first” and “second” are for explanatory convenience only and should not be interpreted as indicating or suggesting relative importance or implicitly indicating the number of technical features described. Features limited by “first” or “second” may explicitly or implicitly indicate that they include one or more features. In this specification, “multiple / a plurality of” means two or more unless otherwise explicitly and specifically provided.

[0026] Referring to Figures 1 to 3, the charging connection terminal 1 of this embodiment, which is applied to a charging socket, comprises a main body 2, a first engaging portion 3, and a second engaging portion 4. The first engaging portion 3 is configured to connect to a first mating terminal so as to be pluggable, the first mating terminal clamps and fixes the first engaging portion 3, and the second engaging portion 4 is configured to engage with a second mating terminal of an external charging device. By electrically connecting the second engaging portion 4 and the external charging device, the first engaging portion 3 transmits electrical energy to the first mating terminal with which it is engaged, thereby transmitting electrical energy to the battery. If the charging connection terminal 1 is damaged and requires repair, the process of disassembling it by detaching the first engaging portion 3 of the charging connection terminal 1 from the first mating terminal, and then engaging and fixing the undamaged first engaging portion 3 of the charging connection terminal 1 to the first mating terminal, makes maintenance easy and reduces maintenance costs. Optionally, the charging connection terminal 1 is an AC (alternating current) charging terminal.

[0027] Referring to Figures 2 to 4, a specific embodiment of the charging connection terminal 1 provided in this embodiment is a flat (or plate-shaped) conductive sheet 32 ​​configured such that one end of the first engaging portion 3 of the charging connection terminal 1 is connected to the second engaging portion 4 so as to be fixed, and the other end of the first engaging portion 3 is connected to the first mating terminal so as to be pluggable. By arranging one end of the first engaging portion 3 as a flat conductive sheet 32, the first engaging portion 3 and the first mating terminal can be connected so as to be pluggable, which is more convenient. Furthermore, if the charging connection terminal 1 is damaged and requires repair, the conductive sheet 32 ​​of the first engaging portion 3 can be detached from the first mating terminal to complete disassembly, and the conductive sheet 32 ​​of the undamaged first engaging portion 3 can be engaged and fixed to the first mating terminal, making maintenance easy and reducing maintenance costs. Optionally, since both outer surfaces of the conductive sheet 32 ​​are all electrical contact surfaces, the first mating terminal can transmit current while pluggably connected to the first engaging portion 3, the second engaging portion 4 is electrically connected to an external charging device, and the first engaging portion 3 can transmit electrical energy to the first mating terminal and battery, which are pluggably connected to it. Optionally, an anti-slip structure is provided on the outer surface of the conductive sheet 32, which is beneficial in increasing the frictional force between the conductive sheet 32 ​​and the first mating terminal, and can promote connection stability between the first mating terminal and the charging connection terminal 1. Optionally, the first engaging portion 3 includes a guide structure 33 arranged on the peripheral side wall of the conductive sheet 32, which restricts the direction of movement of the first engaging portion 3 and facilitates pluggably connected connections between the charging connection terminal 1 and the first mating terminal. In this specification, the specific structure of the guide structure 33 is not particularly limited. Optionally, the guide structure 33 is a guide chamfer provided on the circumferential side wall of the conductive sheet 32.

[0028] Referring together to Figures 2 to 4, in this embodiment, the second engaging portion 4 of the charging terminal 1 is cylindrical and comprises an upper end 41 connected to the first engaging portion 3 so as to be fixed to it, and a lower end 42 opposite to the upper end 41. The circumferential inner wall of the lower end 42 of the second engaging portion 4 is surrounded to form a cylindrical cavity 421 configured to connect axially to the second mating terminal and to be pluggable, so that the second mating terminal can be inserted into the cylindrical cavity 421 along the axial direction of the second engaging portion 4 via the lower end 42 of the second engaging portion 4. Optionally, the circumferential inner wall of the second engaging portion 4 may be uniformly provided with a plurality of metal elastic pieces configured to clamp adjacent to the second mating terminal, which is beneficial in making the pluggable connection between the second mating terminal and the second engaging portion 4 more stable and improving the reliability of the charging terminal 1. Optionally, the width of the first engaging portion 3 is smaller than the cylindrical outer diameter of the second engaging portion 4, which is convenient for assembly and disassembly.

[0029] Referring further to Figures 3 and 4, in this embodiment, a sealing member 5 is provided on the charging connection terminal 1, and the specific structure and material of this sealing member 5 are not limited herein. Optionally, the sealing member 5 comprises a sealing ring 51 arranged to surround the outer surface of the second engaging portion 4, and a sealing plug 52 arranged inside the cylindrical cavity 421, the sealing plug 52 dividing the cylindrical cavity 421 into a plurality of cylindrical cavities at both ends that are sealed to each other in the axial direction. Optionally, the sealing member 5 and the main body 2 are overmolded as a single unit.

[0030] Please refer to Figure 5 for another specific embodiment of the charging connection terminal 1 provided by the present invention, which is an integral piece formed from a sheet having a uniform thickness. Optionally, the first engaging portion 3 includes a converter portion 31 and a conductive sheet 32, the converter portion 31 being connected between the main body 2 and the conductive sheet 32, and the thickness of the conductive sheet 32 ​​being twice the thickness of the sheet, the first engaging portion 3 being formed by extruding the sheet, and the thickness of the conductive sheet 32 ​​being twice the thickness of the sheet, which is beneficial for improving the reliability of the conductive sheet 32 ​​and facilitating processing and manufacturing. Optionally, the conductive sheet 32 ​​is formed by partially laminating two identical sheets, which is convenient for mass production. Optionally, the first engaging portion 3 includes two of the converter portions 31, each partially connected to two of the sheets, thereby ensuring connection stability between the conductive sheet 32 ​​and the main body 2 and ensuring product reliability.

[0031] The present invention further provides a charging socket comprising a socket housing having a terminal cavity and a charging connection terminal 1 applied to the charging socket and disposed in the socket housing, wherein the charging connection terminal 1 comprises a body 2, a first engaging portion 3 and a second engaging portion 4, the first engaging portion 3 being configured to be pluggably connected to a first mating terminal, the first mating terminal clamping and securing the first engaging portion 3, and the second engaging portion 4 being configured to engage with a second mating terminal of an external charging device, the charging socket being electrically connected to an external charging device via the second engaging portion 4 disposed in the socket housing, the first engaging portion 3 transmitting electrical energy to the first mating terminal with which it engages, and thus electrical energy being transmitted to a power storage device connected to the charging socket. If the charging connector 1 of the charging socket is damaged and needs repair, the process of disassembling the charging connector 1 by detaching the first engaging portion 3 from the first mating terminal, removing it from the socket housing, installing the undamaged charging connector 1 into the socket housing, and engaging and securing the first engaging portion 3 to the first mating terminal is simple in terms of maintenance and reduces maintenance costs. Optionally, a clamp elastic sheet 11 may be provided on the circumferential outer wall of the charging connector 1, and a clamp portion fitted to the clamp elastic sheet 11 may be provided on the inner wall of the socket housing, thereby securely attaching the charging connector 1 to the socket housing by clamping it, thus reducing resistance during the assembly process. The clamp elastic sheet 11 shrinks after being squeezed to reduce resistance, making it convenient for the worker to assemble. The number of clamp elastic sheets 11 is not limited in this specification. Optionally, there may be multiple clamp elastic sheets 11, which can be spaced apart on the circumferential outer wall of the charging connector 1, which is beneficial for improving the connection stability between the charging connector 1 and the socket housing.

[0032] While the above description includes only preferred embodiments of this embodiment, this does not limit the embodiment. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this embodiment are within the scope of protection of this embodiment. [Explanation of symbols]

[0033] 1… Charging connection terminal 11… Clamp elastic sheet 2… Main unit 3 ... First engaging part 31 ... Conversion section 32… Conductive sheet 33… Guide structure 4 ... Second engagement part 41 … Upper end 42 … Lower end 421… Cylindrical cavity 5. Sealing component 51… Seal ring 52… Seal plug

Claims

1. It comprises a main body, a first engaging portion, and a second engaging portion. The first engaging portion is configured to be pluggable to the first mating terminal, and The second engaging portion is configured to engage with a second mating terminal of an external charging device, and is a charging connection terminal applied to a charging socket. The second engaging portion is cylindrical and comprises an upper end connected to the first engaging portion so as to be fixed to it, and a lower end opposite to the upper end, the circumferential inner wall of the lower end of the second engaging portion is surrounded to form a cylindrical cavity configured to be connected axially to the second mating terminal and to be pluggable, A charging connection terminal for a charging socket, wherein the charging connection terminal is provided with a sealing member, and the sealing member comprises a sealing ring arranged to surround the outer surface of the second engaging portion and a sealing plug arranged inside the cylindrical cavity.

2. The charging connection terminal according to claim 1, wherein one end of the first engaging portion is connected to the second engaging portion so as to be fixed, and the other end of the first engaging portion is configured to be connected to the first mating terminal so as to be pluggable.

3. The charging connection terminal according to claim 2, wherein the first engaging portion comprises a guide structure disposed on the peripheral side wall of the conductive sheet.

4. The charging connection terminal according to claim 2, wherein the outer surfaces on both sides of the conductive sheet are electrical contact surfaces.

5. The charging connection terminal according to claim 3, wherein an anti-slip structure is provided on the outer surface of the conductive sheet.

6. The charging connection terminal according to claim 1, wherein the width of the first engaging portion is smaller than the cylindrical outer diameter of the second engaging portion.

7. The charging connection terminal according to claim 1, wherein the charging connection terminal is a single piece formed from a sheet having a uniform thickness.

8. The charging connection terminal according to claim 7, wherein the first engaging portion comprises a conversion portion and a conductive sheet, the conversion portion is connected between the main body and the conductive sheet, and the thickness of the conductive sheet is twice the thickness of the sheet.

9. The charging connection terminal according to claim 8, wherein the conductive sheet is formed by partially laminating two identical sheets.

10. The charging connection terminal according to claim 9, wherein the first engaging portion is configured such that two of the conversion portions are partially connected to two of the sheets, respectively.

11. The charging connection terminal according to any one of claims 1 to 10, wherein the charging connection terminal is an AC charging terminal.

12. A charging socket comprising a socket housing having a terminal cavity, and a charging connection terminal applied to a charging socket and disposed in the socket housing according to any one of claims 1 to 11.

13. The charging socket according to claim 12, wherein a clamp elastic sheet is provided on the circumferential outer wall of the charging connection terminal, and a clamp portion that fits the clamp elastic sheet is provided on the inner wall of the socket housing.

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