CN216055373U

CN216055373U - Connector for copper bar

Info

Publication number: CN216055373U
Application number: CN202121193278.7U
Authority: CN
Inventors: 张蓝鑫; 丁祖兵; 翟钧
Original assignee: Chongqing Changan New Energy Automobile Technology Co Ltd
Current assignee: Deep Blue Automotive Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-03-15
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a connector for a copper bar, which comprises the copper bar and matching assemblies positioned at two ends of the copper bar and used for matching with a shell of an electrical component, wherein the outer surface of the copper bar is sequentially coated with a first insulating layer, a shielding layer and a second insulating layer; the matching assembly comprises a connector support, a shielding terminal, a waterproof plug and a rear cover for fixing the waterproof plug, the copper bar penetrates through the connector support, and the shielding terminal is sleeved on a shielding layer of the copper bar, is in interference fit with the shielding layer and is connected with the connector support; the waterproof plug and the rear cover are sleeved on the copper bar and connected with the connector bracket. The connector is favorable for line arrangement in a narrow space, has better fitting property with a vehicle body, reduces the arrangement difficulty of a high-voltage loop, and is favorable for isolating EMC (electro magnetic compatibility) and preventing dust and water by arranging the shielding terminal, the waterproof plug and the sealing ring.

Description

Connector for copper bar

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a connector for a copper bar.

Background

With the high-speed development of new energy automobiles, along with the trend of vehicle intellectualization, more and more electric equipment is used, and the available space inside and outside the carriage is less and less, which puts higher requirements on the arrangement of a high-voltage power supply loop. At present, high-voltage loops of electric automobiles all adopt high-voltage wires which have the advantages of stable electrical property, excellent mechanical property, easiness in processing and the like, but under special conditions, the minimum bending radius of the wires is required to be greatly influenced, generally, the minimum bending radius of the high-voltage wires is 4 times of the diameter of the wires, so that the loop arrangement is difficult under the condition that the large-wire-diameter loops need to turn, and the arrangement of other parts is also greatly influenced.

Disclosure of Invention

The utility model aims to provide a connector for a copper bar, which is beneficial to line arrangement in a narrow space, has better fitting property with a vehicle body, reduces the arrangement difficulty of a high-voltage loop, and is beneficial to isolation of EMC (electro magnetic compatibility) and dust and water prevention by arranging a shielding terminal, a waterproof plug and a sealing ring.

In order to achieve the purpose, the utility model provides a connector for a copper bar, which comprises the copper bar and matching assemblies positioned at two ends of the copper bar and used for matching with a shell of an electrical component, wherein the outer surface of the copper bar is sequentially coated with a first insulating layer, a shielding layer and a second insulating layer; the matching assembly comprises a connector support, a shielding terminal, a waterproof plug and a rear cover for fixing the waterproof plug, the copper bar penetrates through the connector support, and the shielding terminal is sleeved on a shielding layer of the copper bar, is in interference fit with the shielding layer and is connected with the connector support; the waterproof plug and the rear cover are sleeved on the copper bar and connected with the connector bracket.

Further, the connector support comprises a mounting plate, a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are integrally connected with the mounting plate, the first connecting portion and the second connecting portion are located on two sides of the mounting plate and are communicated with each other, the shielding terminal is sleeved and inserted on the first connecting portion in interference fit with the first connecting portion, the waterproof plug is located in the second connecting portion, and the rear cover is buckled on the second connecting portion in interference fit with the second connecting portion.

Furthermore, the shielding terminal is composed of an inner sleeve and an outer sleeve, an annular insertion groove is formed between the inner sleeve and the outer sleeve, the shielding terminal is in interference fit with the shielding layer of the copper bar through the inner sleeve, and the shielding terminal is in sleeved insertion connection with the first connecting portion through the insertion groove.

Furthermore, the outer sleeve of the shielding terminal is provided with an elastic sheet which is used for being clamped with the shell of the electric component.

Further, the waterproof plug is arranged in the second connecting portion, and the rear cover is sleeved on the second connecting portion and is in interference fit with the second connecting portion.

Compared with the prior art, the utility model has the following advantages:

according to the connector for the copper bar, the connector suitable for the copper bar is designed, so that the arrangement problem of most high-voltage wire harnesses caused by insufficient bending radius, insufficient space and difficulty in assembly can be solved, the circuit arrangement in a narrow space is facilitated, the connector is better in fit with a vehicle body, and the arrangement difficulty of a high-voltage circuit is reduced; through setting up shielding terminal, waterproof plug and sealing washer, be favorable to isolated EMC and waterproof dustproof and waterproof.

Drawings

Fig. 1 is a schematic structural view of a connector for a copper bar according to the present invention;

FIG. 2 is an exploded view of the assembly of the components of the left portion of the connector of FIG. 1;

fig. 3 is a schematic view of the structure of the copper bar and the first shielding terminal assembly in fig. 1;

FIG. 4 is a cross-sectional view of the copper bar and first shield terminal assembly A-A of FIG. 3;

FIG. 5 is a schematic view of the assembly of one end of the connector of the present invention with an electrical component;

FIG. 6 is a schematic view of the connector of the present invention assembled with an electrical component;

fig. 7 is a schematic view of the connector of fig. 6 assembled with an electrical component from another perspective.

In the figure:

1-copper bar, 11-bolt via hole, 2-connector bracket, 21-mounting plate, 22-first connecting part, 23-second connecting part, 3-first insulating layer, 4-shielding layer, 5-second insulating layer, 6-shielding terminal, 61-inner sleeve, 62-inserting groove, 63-elastic sheet, 64-outer sleeve, 7-waterproof plug, 8-rear cover, 9-outer shell, 91-connecting hole, A-first electric component and B-second electric component.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 to 5, the embodiment discloses a connector for a copper bar, which includes a copper bar 1 and matching assemblies located at two ends of the copper bar 1 and used for matching with a housing of an electrical component, wherein the outer surface of the copper bar is sequentially coated with a first insulating layer 3, a shielding layer 4 and a second insulating layer 5, and two ends of the copper bar 1 are provided with bolt through holes 11 used for being electrically connected with the electrical component; the matching assembly comprises a connector support 2, a shielding terminal 6, a waterproof plug 7 and a rear cover 8 for fixing the waterproof plug 7, the copper bar 1 penetrates through the connector support 2, and the shielding terminal 6 is sleeved on a shielding layer 4 of the copper bar 1, is in interference fit with the shielding layer 4 and is connected with the connector support 2; the waterproof plug 7 and the rear cover 8 are sleeved on the copper bar 1 and connected with the connector bracket 2.

In this embodiment, the connector bracket 2 includes a mounting plate 21 and a first connecting portion 22 and a second connecting portion 23 integrally coupled with the mounting plate 21, the first connecting portion 22 and the second connecting portion 23 are respectively located at two sides of the mounting plate 21 and are communicated with each other, the shielding terminal 6 is sleeved and inserted on the first connecting portion 22 and is in interference fit with the first connecting portion 22, the waterproof plug 7 is located in the second connecting portion 23, and the rear cover 8 is buckled on the second connecting portion 23 and is in interference fit with the second connecting portion 23.

In this embodiment, the shielding terminal 6 is composed of an inner sleeve 61 and an outer sleeve 64, an annular insertion groove 62 is formed between the inner sleeve and the outer sleeve, the shielding terminal is in interference fit with the shielding layer 4 of the copper bar through the inner sleeve, and is sleeved and inserted with the first connecting portion 22 through the insertion groove 62. And is fitted with the housing of the electric component through the shield terminal 6. Wherein, the inserting groove 62 is connected with the first connecting portion 22 by a snap.

In this embodiment, the outer sleeve 64 of the shield terminal 6 is provided with a spring piece 63 for engaging with a housing of an electrical component.

In this embodiment, the waterproof plug 7 is disposed in the second connecting portion 23, and the rear cover 8 is sleeved on the second connecting portion 23 and is in interference fit with the second connecting portion 23.

In this embodiment, the outer side surface of the mounting plate 21 is provided with a sealing ring for dust and water prevention. When mounted, the outer side surface of the mounting plate 21 is attached to the housing of the electrical component.

In this embodiment, the vehicle body further comprises a shell 9, the outer surface of the second insulating layer 5 is coated with the shell 9, and a connecting hole 91 for fixing on a vehicle body is further formed in the surface of the shell 9. Copper bar 1 uses shell 9 to protect and fixed, can use the bolt snap-on to the automobile body on, promotes holistic installation nature, can effectively prevent mechanical damage when arranging outdoors simultaneously.

Referring to fig. 6 and 7, the mating components at both ends of the copper bar 1 are mated with the housing of the first electrical component a and the housing of the second electrical component B, respectively.

In the present embodiment, the first electrical component a and the second electrical component B are both high-voltage components.

According to the connector for the copper bar, the connector suitable for the copper bar is designed, so that the arrangement problem of most high-voltage wire harnesses caused by insufficient bending radius, insufficient space and difficulty in assembly can be solved, the circuit arrangement in a narrow space is facilitated, the connector is better in fit with a vehicle body, and the arrangement difficulty of a high-voltage circuit is reduced; through setting up shielding terminal, be favorable to isolated EMC and waterproof dustproof.

Claims

1. The connector for the copper bar is characterized by comprising the copper bar (1) and matching assemblies which are positioned at two ends of the copper bar (1) and used for being matched with a shell of an electrical component, wherein a first insulating layer (3), a shielding layer (4) and a second insulating layer (5) are sequentially coated on the outer surface of the copper bar, and bolt through holes (11) used for being electrically connected with the electrical component are formed in two ends of the copper bar (1); the matching assembly comprises a connector support (2), a shielding terminal (6), a waterproof plug (7) and a rear cover (8) for fixing the waterproof plug (7), the copper bar (1) penetrates through the connector support (2), and the shielding terminal (6) is sleeved on a shielding layer (4) of the copper bar (1), is in interference fit with the shielding layer (4) and is connected with the connector support (2); the waterproof plug (7) and the rear cover (8) are sleeved on the copper bar (1) and connected with the connector bracket (2).

2. The connector for the copper bar as claimed in claim 1, wherein the connector bracket (2) comprises a mounting plate (21) and a first connecting portion (22) and a second connecting portion (23) which are integrally connected with the mounting plate (21), the first connecting portion (22) and the second connecting portion (23) are respectively located on two sides of the mounting plate (21) and communicated with each other, the shielding terminal (6) is sleeved and inserted on the first connecting portion (22) and in interference fit with the first connecting portion (22), the waterproof plug (7) is located in the second connecting portion (23), and the rear cover (8) is covered and buckled on the second connecting portion (23) and in interference fit with the second connecting portion (23).

3. The connector for the copper bar as claimed in claim 2, wherein the shielding terminal (6) is composed of an inner sleeve (61) and an outer sleeve (64), an annular insertion groove (62) is formed between the inner sleeve and the outer sleeve, the shielding terminal is in interference fit with the shielding layer (4) of the copper bar through the inner sleeve, and is in sleeved insertion with the first connecting portion (22) through the insertion groove (62).

4. Connector for copper bars according to claim 3, characterized in that the housing (64) of the shielding terminal (6) is provided with a spring tab (63) for snapping engagement with the housing of an electrical component.

5. Connector for copper bars according to any of claims 2 to 4, characterised in that the waterproof plug (7) is arranged inside the second connecting portion (23), and the rear cover (8) is sleeved on the second connecting portion (23) and is in interference fit with the second connecting portion (23).