CN219658997U - Electric connector, electric connection assembly and charging seat assembly - Google Patents

Abstract

The utility model discloses an electric connecting piece, an electric connecting assembly and a charging seat assembly. The electrical connector includes: an electrical transmission body; a mating end portion connected to one end of the electrical transmission body; and a connection end portion connected to the other end of the electrical transmission body. The electrical connector is an integral piece, the mating end portion serves as a charging terminal of the charging stand, and the connecting end portion serves as a connecting terminal electrically connected with the bus bar. In the utility model, a separate charging terminal is not required to be provided for the charging seat, and a separate connecting terminal is not required to be provided for the battery pack connector, so that the production cost is reduced, and the manufacturing efficiency is improved. In addition, the utility model can also reduce the resistance of the electric connection product, which can reduce the temperature rise of the electric connection product and improve the use safety of the charging equipment.

Description

Electric connector, electric connection assembly and charging seat assembly

Technical Field

The present utility model relates to an electrical connector for electrically connecting a charging gun to a battery pack, an electrical connection assembly including the electrical connector, and a charging stand assembly including the electrical connection assembly.

Background

In the prior art, in order to achieve an electrical connection between the charging gun and the battery pack, it is often necessary to provide a charging cradle, a cable and a connector. The charging stand includes a charging stand housing and a charging terminal disposed in the charging stand housing. The connector includes a connector housing and connection terminals provided in the connector housing. One end of the cable is electrically connected with the charging terminal of the charging seat. The other end of the cable is electrically connected with the connection terminal of the connector. Therefore, in the related art, it is necessary to provide a separate charging terminal for the charging stand and a separate connecting terminal for the connector, which results in high costs. Moreover, in the related art, it is necessary to crimp or weld the end portion of the cable to the charging terminal of the cradle or the connection terminal of the connector, which may reduce manufacturing efficiency. In addition, in the prior art, there is a large resistance at a connection portion between the cable and the charging terminal or at a connection portion between the cable or the connecting terminal, which may cause a large temperature rise of the product, seriously affecting the use safety of the charging device.

Disclosure of Invention

The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.

According to one aspect of the present utility model, an electrical connector is provided. The electrical connector includes: an electrical transmission body; a mating end portion connected to one end of the electrical transmission body; and a connection end portion connected to the other end of the electrical transmission body. The electrical connector is an integral piece, the mating end portion serves as a charging terminal of the charging stand, and the connecting end portion serves as a connecting terminal electrically connected with the bus bar.

According to an exemplary embodiment of the present utility model, the mating end portion is cylindrical or cylindrical for mating connection with a mating terminal in the charging gun; and the connection end is flat, cylindrical or cylindrical for electrical connection with the bus bar on the battery pack.

According to another exemplary embodiment of the present utility model, a connection hole allowing a bolt to pass through is formed on the connection end portion so that the connection end portion can be fastened to the bus bar by the bolt.

According to another exemplary embodiment of the present utility model, the electrical connection is a one-piece member made of a hollow tubular member, one end of which is machined into the mating end, and the other end of which is machined into the connection end.

According to another exemplary embodiment of the utility model, the intermediate portion of the tubular element constitutes the electrical transmission body and the intermediate portion of the tubular element is not machined, so that the electrical transmission body is hollow tubular.

According to another exemplary embodiment of the utility model, the intermediate portion of the tubular element constitutes the electrical transmission body, and at least a part of the intermediate portion of the tubular element is flattened and bent such that the electrical transmission body has a flat bent portion.

According to another exemplary embodiment of the present utility model, the electrical connection member is a one-piece member made of a solid rod-like member, one end portion of the rod-like member is processed into the mating end portion, and the other end portion of the rod-like member is processed into the connection end portion.

According to another exemplary embodiment of the present utility model, the other end portion of the rod is first processed into a hollow cylindrical shape and then pressed into a flat shape.

According to another aspect of the present utility model, an electrical connection assembly is provided. The electrical connection assembly includes: the aforementioned electrical connection; and the elastic terminal is inserted into the inner cavity of the opposite end part of the electric connector. The elastic terminal is used for electrically contacting with a counter-mating terminal of a charging gun inserted into the counter-mating end portion to electrically connect the counter-mating terminal to the counter-mating end portion.

According to an exemplary embodiment of the present utility model, the electrical connection assembly further includes: and an insulating layer formed on an outer surface of the electric transmission body of the electric connector.

According to another exemplary embodiment of the utility model, the insulating layer is a heat shrink tube heat shrunk onto the electrical transmission body, an injection molded part injection molded onto the electrical transmission body, or a coating sprayed onto the electrical transmission body.

According to another exemplary embodiment of the present utility model, a seal ring installation groove is formed on an outer circumferential surface of the mating end portion; the electrical connection assembly further includes: and the sealing ring is arranged in the sealing ring mounting groove and used for sealing the charging seat shell and the matching end part.

According to another exemplary embodiment of the present utility model, the mating end portion is hollow cylindrical, and a drain hole communicating with an inner cavity thereof is formed on the mating end portion, the drain hole and the seal ring mounting groove are spaced apart in an axial direction of the mating end portion, and the drain hole is closer to an end face of the mating end portion than the seal ring mounting groove.

According to another exemplary embodiment of the present utility model, the electrical transmission body of the electrical connector has a hollow tubular shape; the electrical connection assembly further includes: and the sealing plug is inserted into the inner cavity of the matched end part and is used for preventing water vapor from entering the hollow electric transmission body.

According to another aspect of the present utility model, a charging stand assembly is provided. The charging stand assembly includes: the aforementioned electrical connection assembly; and a charging stand including a charging stand housing. The mating end of the electrical connector is inserted into the charging seat housing to form a charging terminal of the charging seat for mating connection with a mating terminal on the charging gun.

According to an exemplary embodiment of the present utility model, the cradle assembly further comprises: a connector includes a connector housing. The connection end portion of the electrical connector is inserted into the connector housing to constitute a connection terminal of the connector for electrical connection with a bus bar.

According to another aspect of the present utility model, an electrical connector is provided. The electrical connector includes: an electrical transmission body; a mating end portion connected to one end of the electrical transmission body; and a connection end portion connected to the other end of the electrical transmission body. The electrical connector is a single piece, the mating end portion serves as a connection terminal for one connector and the connecting end portion serves as a connection terminal for the other connector.

In the foregoing exemplary embodiments according to the present utility model, there is no need to provide a separate charging terminal for the charging stand, nor to provide a separate connection terminal for the battery pack connector, which reduces production costs and improves manufacturing efficiency. In addition, the utility model can also reduce the resistance of the electric connection product, which can reduce the temperature rise of the electric connection product and improve the use safety of the charging equipment.

Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.

Drawings

Fig. 1 shows a schematic perspective view of a charging stand assembly according to an exemplary embodiment of the present utility model;

FIG. 2 shows a cross-sectional view of a cradle assembly according to an exemplary embodiment of the utility model;

FIG. 3 shows a schematic perspective view of an electrical connection assembly according to an exemplary embodiment of the utility model;

FIG. 4 shows a cross-sectional view of an electrical connection assembly according to an exemplary embodiment of the utility model;

FIG. 5 shows a cross-sectional view of an electrical connection assembly according to another exemplary embodiment of the utility model;

fig. 6 shows a schematic perspective view of an electrical connector according to another exemplary embodiment of the utility model;

FIG. 7 shows a cross-sectional view of an electrical connector according to another exemplary embodiment of the utility model;

fig. 8 shows a cross-sectional view of an electrical connector according to another exemplary embodiment of the utility model.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in the drawings in order to simplify the drawings.

According to one general technical concept of the present utility model, an electrical connector is provided. The electrical connector includes: an electrical transmission body; a mating end portion connected to one end of the electrical transmission body; and a connection end portion connected to the other end of the electrical transmission body. The electrical connector is an integral piece, the mating end portion serves as a charging terminal of the charging stand, and the connecting end portion serves as a connecting terminal electrically connected with the bus bar.

According to another general technical concept of the present utility model, there is provided an electrical connection assembly. The electrical connection assembly includes: the aforementioned electrical connection; and the elastic terminal is inserted into the inner cavity of the opposite end part of the electric connector. The elastic terminal is used for electrically contacting with a counter-mating terminal of a charging gun inserted into the counter-mating end portion to electrically connect the counter-mating terminal to the counter-mating end portion.

According to another general technical concept of the present utility model, a charging stand assembly is provided. The charging stand assembly includes: the aforementioned electrical connection assembly; and a charging stand including a charging stand housing. The mating end of the electrical connector is inserted into the charging seat housing to form a charging terminal of the charging seat for mating connection with a mating terminal on the charging gun.

According to another general technical concept of the present utility model, there is provided an electrical connector. The electrical connector includes: an electrical transmission body; a mating end portion connected to one end of the electrical transmission body; and a connection end portion connected to the other end of the electrical transmission body. The electrical connector is a single piece, the mating end portion serves as a connection terminal for one connector and the connecting end portion serves as a connection terminal for the other connector.

Fig. 1 shows a schematic perspective view of a charging stand assembly according to an exemplary embodiment of the present utility model; FIG. 2 shows a cross-sectional view of a cradle assembly according to an exemplary embodiment of the utility model; fig. 3 shows a schematic perspective view of an electrical connection assembly 3 according to an exemplary embodiment of the utility model; fig. 4 shows a cross-sectional view of an electrical connection assembly 3 according to an exemplary embodiment of the utility model; fig. 5 shows a cross-sectional view of an electrical connection assembly 3 according to another exemplary embodiment of the utility model.

As shown in fig. 1-5, in one exemplary embodiment of the present utility model, an electrical connector 30 is disclosed. The electrical connector 30 mainly includes: an electrical transmission body 33, a mating end 31 and a connecting end 32. The counter-part 31 is connected to one end of an electrical transmission body 33. The connection end portion 32 is connected to the other end of the electrical transmission body 33. In the illustrated embodiment, the electrical connector 30 is a single piece. The mating end 31 of the electrical connector 30 serves as a charging terminal of the charging stand 1, and the connection end 32 of the electrical connector 30 serves as a connection terminal electrically connected to a bus bar (not shown, for example, a bus bar on a battery pack).

As shown in fig. 1 to 5, in the illustrated embodiment, the mating end portion 31 of the electrical connector 30 is cylindrical for mating connection with a columnar mating terminal (not shown) in a charging gun (not shown). The connection end 32 of the electrical connector 30 is flat for electrical connection with a bus bar (not shown) on the battery pack. However, it should be noted that the shapes of the mating end portion 31 and the connecting end portion 32 of the present utility model are not limited to the illustrated embodiment, and for example, the mating end portion 31 of the electrical connector 30 may also have a cylindrical shape or other suitable shape. The connection end 32 of the electrical connector 30 may also be cylindrical, cylindrical or other suitable shape.

As shown in fig. 1 to 5, in the illustrated embodiment, a connection hole 320 allowing a bolt (not shown) to pass through is formed on the connection end portion 32 of the electrical connector 30 so that the connection end portion 32 can be fastened to a bus bar of a battery pack by the bolt.

As shown in fig. 1 to 5, in the illustrated embodiment, the electrical connector 30 is a one-piece member made of a hollow tubular member (not shown) having one end portion thereof processed into the mating end portion 31, for example, the one end portion of the tubular member may be processed into the mating end portion 31 by a punching process. The other end of the tubular member is machined to the connecting end 32, for example, the other end of the tubular member may be machined to the connecting end 32 by a stamping process.

As shown in fig. 1 to 5, in the illustrated embodiment, the intermediate portion of the tubular member constitutes the electrical transmission body 33, and the intermediate portion of the tubular member is not processed so that the electrical transmission body 33 has a hollow tubular shape.

However, the electrical connector 30 of the present utility model is not limited to the embodiment shown in fig. 1 to 5. For example, fig. 6 shows a schematic perspective view of an electrical connector 30 according to another exemplary embodiment of the utility model; fig. 7 shows a cross-sectional view of an electrical connector 30 according to another exemplary embodiment of the utility model.

In another exemplary embodiment of the present utility model, as shown in fig. 6 and 7, the intermediate portion of the aforementioned tubular member constitutes the electrical transmission body 33, and at least a part of the intermediate portion of the tubular member is flattened and bent so that the electrical transmission body 33 has a flat bent portion 330. In this embodiment, by flattening a portion of the tubular member, a smaller bending radius may be achieved, which can reduce space requirements, making for a more compact arrangement of the electrical connector 30.

In the embodiment shown in fig. 1 to 7, the electrical connector 30 is made of a hollow tubular member. However, the electrical connector 30 of the present utility model is not limited to the embodiment shown in fig. 1 to 7. For example, fig. 8 shows a cross-sectional view of an electrical connector 30 according to another exemplary embodiment of the utility model.

As shown in fig. 8, in the illustrated embodiment, the electrical connector 30 is a unitary piece made from a solid rod-like member (not shown). One end of the rod is machined into a cylindrical mating end 31, for example, by machining, cold heading or stamping. The other end of the rod is machined to a flat connecting end 32, for example, by machining, cold heading or stamping.

In the illustrated embodiment, the other end of the rod is first machined into a hollow cylinder and then pressed into a flat shape, as shown in fig. 8. Thus, the flat connecting end portion 32 can be obtained.

In another exemplary embodiment of the present utility model, as shown in fig. 1-8, an electrical connection assembly 3 is also disclosed. The electrical connection assembly 3 comprises: the aforementioned electrical connector 30 and the spring terminal 303. The spring terminals 303 are inserted into the inner cavities of the mating ends 31 of the electrical connector 30. The elastic terminal 303 is used to electrically contact with a mating terminal of a charging gun inserted into the mating end portion 31 to electrically connect the mating terminal to the mating end portion 31.

As shown in fig. 1 to 8, in the illustrated embodiment, the electrical connection assembly 3 further comprises an insulating layer 301, which insulating layer 301 is formed on the outer surface of the electrical transmission body 33 of the electrical connector 30.

As shown in fig. 1-8, in an exemplary embodiment of the present utility model, the insulating layer 301 on the electrical transmission body 33 may be a heat shrink tube heat shrunk onto the electrical transmission body 33, an injection molded part injection molded onto the electrical transmission body 33, or a coating sprayed onto the electrical transmission body 33.

As shown in fig. 1 to 8, in the illustrated embodiment, a seal ring mounting groove 311 is formed on the outer peripheral surface of the mating end portion 31. The electrical connection assembly 3 further comprises a sealing ring 304, the sealing ring 304 being mounted in a sealing ring mounting groove 311 for sealing between the charging dock housing 10 and the mating end 31.

As shown in fig. 1 to 8, in the illustrated embodiment, a drain hole 312 communicating with the inner cavity thereof is formed on the mating end portion 31, the drain hole 312 and the seal ring mounting groove 311 are spaced apart in the axial direction of the mating end portion 31, and the drain hole 312 is closer to the end face of the mating end portion 31 than the seal ring mounting groove 311. In this way, moisture that enters the inner cavity of the mating end portion 31 can be discharged via the drain hole 312.

As shown in fig. 1 to 7, in the illustrated embodiment, the electrical transmission body 33 of the electrical connector 30 has a hollow tubular shape. The electrical connection assembly further comprises a sealing plug 3042, the sealing plug 3042 being inserted in the cavity of the counter-part end 31 for preventing moisture from entering the hollow electrical transmission body 33.

In another exemplary embodiment of the present utility model, as shown in fig. 1 to 8, a charging stand assembly is also disclosed. This charging seat subassembly mainly includes: the aforementioned electrical connection assembly 3 and the charging stand 1. The cradle 1 includes a cradle housing 10. The mating end 31 of the electrical connector 30 is inserted into the cradle housing 10 to constitute a charging terminal of the cradle 1 for mating connection with a mating terminal on the charging gun.

As shown in fig. 1-8, in the illustrated embodiment, the cradle assembly further includes a connector 2. The connector 2 includes a connector housing 20. The connection end 32 of the electrical connector 30 is inserted into the connector housing 20 to constitute a connection terminal of the connector 2 for electrical connection with a bus bar on the battery pack.

As shown in fig. 1 to 8, in the illustrated embodiment, the present utility model does not need to provide a separate charging terminal for the cradle 1, nor a separate connection terminal for the battery pack connector 2, which reduces production costs and improves manufacturing efficiency. In addition, the utility model can also reduce the resistance of the electric connection product, which can reduce the temperature rise of the electric connection product and improve the use safety of the charging equipment.

As shown in fig. 1-8, in the illustrated embodiment, the integrated electrical connector 30 is less costly, simpler to manufacture, less resistive, and more stable in performance without crimping/welding or the like.

As shown in fig. 1 to 8, in the illustrated embodiment, the integral electrical connector 30 does not require crimping and welding, and thus, the internal space of the cradle and the connector can be greatly shortened, greatly reducing the size of the cradle and the connector.

In the embodiment shown in fig. 1 to 8, the electrical connection 30 is shown for the electrical connection between the charging cradle 1 and one of the connectors 2. However, the utility model is not limited to the illustrated embodiment, for example, the electrical connector 30 of the utility model may also be used for electrical connection between two connectors. For example, in another exemplary embodiment of the present utility model, an electrical connector 30 is also disclosed, the electrical connector 30 comprising: an electric transmission body 33; a mating end 31 connected to one end of the electrical transmission body 33; and a connection end portion 32 connected to the other end of the electric transmission body 33. The electrical connector 30 is a single piece, and the mating end portion 31 serves as a connection terminal of one connector (not shown), and the connection end portion 32 serves as a connection terminal of the other connector (not shown).

It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and that modifications may be made to the embodiments described in various embodiments without structural or conceptual aspects and that these variations may be resorted to without departing from the scope of the utility model.

Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to be construed as limiting the utility model.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.

Claims (17)

1. An electrical connector, comprising:

an electrical transmission body (33);

a mating end (31) connected to one end of the electrical transmission body (33); and

a connection end (32) connected to the other end of the electrical transmission body (33),

the electrical connection (30) is a single piece,

the mating end portion (31) serves as a charging terminal of the charging stand (1), and the connecting end portion (32) serves as a connecting terminal electrically connected to the bus bar.

2. The electrical connector of claim 1, wherein:

the matching end part (31) is cylindrical or columnar and is used for matching connection with a matching terminal in the charging gun; and is also provided with

The connection end (32) is flat, cylindrical or columnar and is used for electrically connecting with a bus bar on the battery pack.

3. The electrical connector of claim 2, wherein:

a connection hole (320) allowing a bolt to pass through is formed on the connection end portion (32) so that the connection end portion (32) can be fastened to a bus bar by the bolt.

4. An electrical connector according to any one of claims 1-3, wherein:

the electrical connection (30) is a single piece made of a hollow tubular member, one end of which is machined into the counter-end (31) and the other end of which is machined into the connection end (32).

5. The electrical connector of claim 4, wherein:

the intermediate part of the tubular element constitutes the electrical transmission body (33), and the intermediate part of the tubular element is not machined, so that the electrical transmission body (33) is hollow tubular.

6. The electrical connector of claim 4, wherein:

the intermediate portion of the tubular member constitutes the electrical transmission body (33), and at least a portion of the intermediate portion of the tubular member is flattened and bent such that the electrical transmission body (33) has a flat bent portion (330).

7. An electrical connector according to any one of claims 1-3, wherein:

the electrical connector (30) is a single piece made of a solid rod, one end of which is machined into the mating end (31) and the other end of which is machined into the connecting end (32).

8. The electrical connector of claim 7, wherein:

the other end of the rod-like member is first processed into a hollow cylindrical shape and then pressed into a flat shape.

9. An electrical connection assembly, comprising:

the electrical connector (30) of any one of claims 1-8; and

an elastic terminal (303) inserted in the inner cavity of the opposite end (31) of the electric connector (30),

the elastic terminal (303) is used for electrically contacting with a counter-mating terminal of a charging gun inserted into the counter-mating end (31) to electrically connect the counter-mating terminal to the counter-mating end (31).

10. The electrical connection assembly of claim 9, further comprising:

an insulating layer (301) formed on the outer surface of the electrical transmission body (33) of the electrical connector (30).

11. The electrical connection assembly of claim 10, wherein:

the insulating layer (301) is a heat shrink tube heat shrunk on the electric transmission body (33), an injection molding piece injection molded on the electric transmission body (33), or a coating sprayed on the electric transmission body (33).

12. The electrical connection assembly of claim 9, wherein:

a seal ring mounting groove (311) is formed on the outer peripheral surface of the mating end portion (31);

the electrical connection assembly further includes:

and the sealing ring (304) is arranged in the sealing ring mounting groove (311) and is used for sealing between the charging seat shell (10) and the opposite end part (31).

13. The electrical connection assembly of claim 12, wherein:

the mating end portion (31) is hollow cylindrical, and a drain hole (312) communicating with an inner cavity thereof is formed in the mating end portion (31), the drain hole (312) and the seal ring mounting groove (311) are spaced apart in an axial direction of the mating end portion (31), and the drain hole (312) is closer to an end face of the mating end portion (31) than the seal ring mounting groove (311).

14. The electrical connection assembly of claim 13, wherein:

the electric transmission body (33) of the electric connector (30) is hollow and tubular;

the electrical connection assembly further includes:

and a sealing plug (3042) is inserted into the inner cavity of the matching end part (31) and used for preventing water vapor from entering the hollow electric transmission body (33).

15. A charging stand assembly, comprising:

the electrical connection assembly (3) of any one of claims 9-14; and

a charging seat (1) comprising a charging seat shell (10),

the mating end (31) of the electrical connector (30) is inserted into the charging socket housing (10) to form a charging terminal of the charging socket (1) for mating connection with a mating terminal on a charging gun.

16. The cradle assembly of claim 15, further comprising:

a connector (2) includes a connector housing (20),

the connection end (32) of the electrical connector (30) is inserted into the connector housing (20) to form a connection terminal of the connector (2) for electrical connection with a bus bar.

17. An electrical connector, comprising:

an electrical transmission body (33);

a mating end (31) connected to one end of the electrical transmission body (33); and

a connection end (32) connected to the other end of the electrical transmission body (33),

the electrical connector (30) is a single piece, the mating end (31) serves as a connection terminal for one connector, and the connecting end (32) serves as a connection terminal for the other connector.