CN221041549U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN221041549U CN221041549U CN202322941816.1U CN202322941816U CN221041549U CN 221041549 U CN221041549 U CN 221041549U CN 202322941816 U CN202322941816 U CN 202322941816U CN 221041549 U CN221041549 U CN 221041549U
- Authority
- CN
- China
- Prior art keywords
- contact
- flat
- electrical connector
- cross
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses an electric connector which comprises a conductor and a terminal electrically connected with the conductor, wherein the conductor comprises a flat part, a transition part and a contact part which are sequentially connected, the cross section of the contact part is circular, the cross section of the transition part is gradually transited from the cross section of the flat part to the cross section of the contact part, the terminal comprises a fixing part and a connecting part which are sequentially connected, and the connecting part is in pressure connection or welding connection with the contact part. The end plane of the contact part and the connecting part of the terminal are connected by rotary friction welding or the contact part and the terminal are connected by crimping, so that firm mechanical connection is formed between the contact part and the terminal, and the terminal has good electrical performance.
Description
Technical Field
The utility model relates to the technical field of electric connection, in particular to an electric connector.
Background
The flat wire conductor is a conductor connecting piece which needs to be used in an automobile, is very suitable for being used as a conductor in occasions needing weight reduction or space limitation, is not suitable for being directly used for electric connection and needs to be connected with terminals at two ends of the flat wire conductor respectively, but the flat wire conductor can only be connected with the terminals by ultrasonic welding or friction stir welding generally, and the connection method is limited greatly. There is a need to develop a new structure to solve the above problems.
Disclosure of utility model
The utility model aims to provide an electric connector which comprises a conductor and a terminal electrically connected with the conductor, wherein the conductor comprises a flat part, a transition part and a contact part which are sequentially connected, the cross section of the contact part is circular, the cross section of the transition part gradually transits from the cross section of the flat part to the cross section of the contact part, the terminal comprises a fixing part and a connecting part which are sequentially connected, and the connecting part is in pressure connection or welding connection with the contact part.
Optionally, the flat portion, the transition portion and the contact portion are integrally formed, and the transition portion and the contact portion are formed by deformation of the flat portion.
Optionally, the flat portion, the transition portion and the effective conductive portion of the contact portion differ in cross-sectional area by no more than 20%.
Optionally, the end surfaces of the contact part and the connecting part are solid cylinders, and the end plane of the connecting part and the end plane of the contact part are connected by adopting a rotary friction welding process.
Optionally, one of the connecting part and the contact part is tubular, the other is a solid cylinder, and the connecting part and the contact part are mutually sleeved and connected by adopting a crimping process.
Optionally, the conductor material is aluminum or aluminum alloy, the terminal material is copper or copper alloy, and a transition metal layer is arranged on the contact surface of the contact part and the connection part.
Optionally, the flat part is an aluminum solid flat wire or a plurality of stranded round wires are arranged in a flat shape or a plurality of aluminum wires are woven in a flat shape.
Optionally, an insulating layer is provided on the outer periphery of the flat portion and at least part of the transition portion.
Optionally, at least one bending part and/or twisting part is provided on the flat part.
Optionally, at least one bending part is arranged on the transition part.
The utility model has the following technical effects:
The end plane of the contact part is connected with the connecting part of the terminal by rotary friction welding or the contact part is connected with the terminal by crimping, firm mechanical connection is formed between the contact part and the terminal, and the flat conductor has good electrical property.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a side view, partially in section, of an electrical connector of the present utility model;
FIG. 2 is a front view of an electrical connector according to the present utility model;
FIG. 3 is a cross-sectional view of a conductor contact;
FIG. 4 is a schematic partial cross-sectional view of an electrical connector according to another embodiment of the present utility model;
fig. 5 is a schematic partial cross-sectional view of an electrical connector according to another embodiment of the present utility model.
The figures are marked as follows:
1. a conductor; 2. a terminal; 3. an insulating layer;
10. a flat portion; 20. a transition section; 30. a contact portion;
40. a fixing part; 50. a connection part; 70. a transition metal layer.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
Embodiment 1, as shown in fig. 1-3, an electrical connector comprises a conductor 1 and a terminal 2 electrically connected with the conductor 1, wherein the conductor 1 comprises a flat portion 10, a transition portion 20 and a contact portion 30 which are sequentially connected, the cross-sectional shape of the contact portion 30 is circular, the cross-sectional shape of the transition portion 20 gradually transits from the cross-sectional shape of the flat portion 10 to the cross-sectional shape of the contact portion 30, the terminal 2 comprises a fixing portion 40 and a connecting portion 50 which are sequentially connected, and the connecting portion 50 is welded with the contact portion 30. The specific welding mode is that the end surfaces of the contact portion 30 and the connecting portion 50 are solid cylinders, and the end plane of the connecting portion 50 and the end plane of the contact portion 30 are connected by adopting a rotary friction welding process.
The conductor 1 is made of aluminum or aluminum alloy, and the terminal 2 is made of copper or copper alloy. The flat portion 10 may be an aluminum solid flat wire or a plurality of twisted round wires arranged in a flat shape or a plurality of aluminum wires woven in a flat shape.
In one embodiment, the flat portion 10, the transition portion 20 and the contact portion 30 are integrally formed, and the transition portion 20 and the contact portion 30 are formed by deforming the flat portion 10. In a specific application, the overall shape of the conductor 1 is a flat shape, both ends of the conductor 1 are hot-forged into a cylinder and form the contact portion 30, and the end plane of the contact portion 30 is connected with the connection portion 50 of the terminal 2 by rotary friction welding, so that a firm mechanical connection is formed, and good electrical performance is achieved. The fixing portion 40 of the terminal 2 is electrically connected to the external conductor 1. The flat conductor realizes the rotary friction welding connection with the terminal 2 through the embodiment, and meets the requirements of different connection modes between the conductor 1 and the terminal 2.
The cross-sectional areas of the flat portion 10, the transition portion 20 and the effective conductive portion of the contact portion 30 differ by no more than 20%. The current carrying capacity is in order to ensure the conductivity of the conductor 1 and to facilitate the arrangement on the vehicle body, the difference in cross-sectional area of the conductors 1 of different shapes cannot be too large, otherwise the conductor with a larger cross-sectional area is difficult to mount on the vehicle body, and even interferes with other parts on the vehicle body to give out abnormal sound. Through the experiments of the inventor, the cross-sectional areas of the cross sections of the different shapes of the conductor 1 are optimally different by not more than 20%, and the installation of the guide core on the vehicle body is not affected.
As shown in fig. 1, the surface of the contact portion 30 contacting the connection portion 50 is provided with a transition metal layer 70 for electrochemical corrosion between the contact portion 30 and the connection portion 50, thereby increasing the safety performance in use and remarkably improving the service life of the electrical connector.
As shown in fig. 1, an insulating layer 3 is provided on the outer periphery of the flat portion 10 and at least a part of the transition portion 20 for insulating the conductive portion.
In one embodiment, at least one bending portion and twisting portion, bending portion or twisting portion may be provided on the flat portion 10 in order to adapt to different vehicle body arrangement environments.
In another embodiment, at least one bending portion may be provided on the transition portion 20.
Example 2, the difference between this example and example 1 is limited to the following embodiments.
In this embodiment, as shown in fig. 4 and 5, one of the shapes of the connection portion 50 and the contact portion 30 is tubular, the other is a solid cylinder, and the connection portion 50 and the contact portion 30 are sleeved with each other and connected by a crimping process, so as to form a firm mechanical connection and have good electrical performance.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. The electric connector is characterized by comprising a conductor and a terminal electrically connected with the conductor, wherein the conductor comprises a flat part, a transition part and a contact part which are sequentially connected, the cross section of the contact part is circular, the cross section of the transition part gradually transits from the cross section of the flat part to the cross section of the contact part, the terminal comprises a fixing part and a connecting part which are sequentially connected, and the connecting part is in pressure connection or welded connection with the contact part.
2. The electrical connector of claim 1, wherein the flat portion, the transition portion and the contact portion are integrally formed and formed from the flat portion.
3. The electrical connector of claim 1, wherein the flat portion, the transition portion and the effective conductive portion of the contact portion differ in cross-sectional area by no more than 20%.
4. The electrical connector of claim 1, wherein the contact and connection end surfaces are solid cylinders in shape, and the connection end surfaces are connected to the contact end surfaces by a spin friction welding process.
5. The electrical connector of claim 1, wherein one of the connecting portion and the contact portion is tubular in shape and the other is a solid cylinder, and the connecting portion and the contact portion are mutually sleeved and connected by a crimping process.
6. The electrical connector of claim 1, wherein the conductor is aluminum or aluminum alloy, the terminal is copper or copper alloy, and a transition metal layer is provided on a surface of the contact portion contacting the connection portion.
7. The electrical connector of claim 6, wherein the flattened section is an aluminum solid flat wire or a plurality of stranded round wires arranged in a flattened shape or a plurality of aluminum wires woven in a flattened shape.
8. An electrical connector according to claim 3, wherein an insulating layer is provided around the flat portion and at least part of the transition portion.
9. An electrical connector according to claim 1, wherein the flat portion is provided with at least one bend and/or twist.
10. The electrical connector of claim 1, wherein the transition portion is provided with at least one bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322941816.1U CN221041549U (en) | 2023-10-31 | 2023-10-31 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322941816.1U CN221041549U (en) | 2023-10-31 | 2023-10-31 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041549U true CN221041549U (en) | 2024-05-28 |
Family
ID=91187134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322941816.1U Active CN221041549U (en) | 2023-10-31 | 2023-10-31 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041549U (en) |
-
2023
- 2023-10-31 CN CN202322941816.1U patent/CN221041549U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |