CN219892522U - Electric connection assembly - Google Patents
Electric connection assembly Download PDFInfo
- Publication number
- CN219892522U CN219892522U CN202321175400.7U CN202321175400U CN219892522U CN 219892522 U CN219892522 U CN 219892522U CN 202321175400 U CN202321175400 U CN 202321175400U CN 219892522 U CN219892522 U CN 219892522U
- Authority
- CN
- China
- Prior art keywords
- cavity
- connection assembly
- electrical connection
- deformation
- conductive device
- 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.)
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- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000002788 crimping Methods 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- MROLLRLPEVLRQX-UHFFFAOYSA-N [Zr].[Au].[Ag] Chemical compound [Zr].[Au].[Ag] MROLLRLPEVLRQX-UHFFFAOYSA-N 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- LGFYIAWZICUNLK-UHFFFAOYSA-N antimony silver Chemical compound [Ag].[Sb] LGFYIAWZICUNLK-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910001174 tin-lead alloy Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses an electric connection assembly, which comprises a conductive device and at least one connecting piece, wherein the connecting piece comprises a crimping part, a cavity and a wire storage cavity which are mutually communicated are sequentially formed along the axial direction of the end face of the crimping part, the inner diameter of the wire storage cavity is larger than that of the cavity, the conductive device comprises an end part, a deformation part and a body part which are sequentially connected, the end part is positioned in the wire storage cavity, the outer diameter of the end part is larger than that of the deformation part, the deformation part is positioned in the cavity, the periphery of the deformation part is tightly attached to the inner wall of the cavity, and the body part is positioned outside the cavity, and the outer diameter of the body part is larger than that of the deformation part. After the conductive device is compressed, redundant parts can be extruded into the wire storage cavity, the relative drawing force between the conductive device and the connecting piece is increased, the effect of preventing the conductive device from retreating relative to the connecting piece is achieved, and the failure risk is reduced.
Description
Technical Field
The utility model relates to the technical field of electric connection, in particular to an electric connection assembly.
Background
At present, in the automobile part manufacturing industry, the connection in the field of automobile electrical wiring harnesses basically adopts the connection of two ends of the wiring harness with the switching terminals, and the wiring harness is in transitional connection with the switching terminals through connecting pieces. However, these processes are relatively complex and costly to manufacture. In addition, in actual manufacturing and use, the insulation skin is easy to plastically deform and shrink due to heating, so that a gap is formed between the insulation skin and the connecting piece, air and water are easy to enter, and the whole wire harness is invalid; and the wire harness can be influenced by the use temperature, road condition jolt vibration and the like, the drawing force between the wire harness and the connecting piece is gradually reduced, and finally the lead is easy to break away from the connecting piece and fails.
Therefore, a new structure is required to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an electric connection assembly which comprises a conductive device and at least one connecting piece, wherein the connecting piece comprises a crimping part, a cavity and a wire storage cavity which are mutually communicated are sequentially formed along the axial direction of the end face of the crimping part, the inner diameter of the wire storage cavity is larger than that of the cavity, the conductive device comprises an end part, a deformation part and a body part which are sequentially connected, the end part is positioned in the wire storage cavity, the outer diameter of the end part is larger than that of the deformation part, the deformation part is positioned in the cavity, the periphery of the deformation part is tightly attached to the inner wall of the cavity, and the body part is positioned outside the cavity, and the outer diameter of the body part is larger than that of the deformation part.
Optionally, at least part of the deformation portion and the cross-sectional area of the crimping portion corresponding to the deformation portion are hexagonal.
Optionally, the terminal surface extension of crimping portion forms the switching portion, be provided with in the switching portion with the switching chamber that the cavity is connected, along crimping portion extremely the direction of switching portion, switching chamber internal diameter increases gradually.
Optionally, at least the outer peripheral surface of the body portion is provided with an insulating layer, and the end of the insulating layer is provided in the transfer cavity.
Optionally, the end face of the adapting part extends to form a sealing part, a sealing cavity connected with the adapting cavity is arranged in the sealing part, and at least part of the body part and the insulating layer are arranged in the sealing cavity.
Optionally, a circumferentially arranged convex or concave structure is arranged on the inner wall of the sealing cavity.
Optionally, the connecting piece further comprises a connecting part connected with the crimping part, and the shape of the connecting part is flat.
Optionally, a through hole is formed in the connecting portion.
Optionally, plating layers are disposed on at least the inner wall of the through hole and part of the planes at the two ends of the through hole.
Optionally, the material of the connecting piece is aluminum.
The utility model has the following technical effects:
1. the internal diameter of storing up the line chamber is greater than the internal diameter of cavity, inserts corresponding storing up the line chamber in the tip of electrically conductive device after, compresses crimping portion part, owing to store up the existence in line chamber, can extrude unnecessary part to store up the line intracavity behind the electrically conductive device compression to carry out inseparable laminating with the inner wall that stores up the line chamber, thereby increased the relative pulling force between electrically conductive device and the connecting piece, played and prevented electrically conductive device for the effect of connecting piece retreating, reduced the inefficacy risk, provided the guarantee for the security of car.
2. The connecting part and the crimping part are integrally formed, so that the use of the middle switching terminal is saved, the process program is reduced, the manufacturing cost is saved, and meanwhile, the whole automobile can be effectively lightened by using the electric connecting assembly disclosed by the utility model, so that the aim of light weight is fulfilled.
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 schematic view of an embodiment of an electrical connection assembly according to the present utility model;
FIG. 2 is a schematic view of another embodiment of an electrical connection assembly according to the present utility model;
FIG. 3 is a schematic view of another embodiment of an electrical connection assembly of the present utility model;
fig. 4 is a schematic cross-sectional view of a deformed portion and a corresponding compressed portion of the electrical connection assembly of the present utility model.
The figures are marked as follows:
1. a conductive device; 2. a connecting piece; 3. an insulating layer;
10. a crimping part; 11. a cavity; 12. a wire storage cavity;
20. an end portion; 30. a deformation section; 40. a body portion; 50. a switching part; 51. a transfer cavity;
60. a sealing part; 61. sealing the cavity; 62. a recess; 70. a connection part; 71. and a through hole.
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.
Example 1
As shown in fig. 1-4, an electrical connection assembly comprises a conductive device 1 and at least one connecting piece 2, wherein one end of the conductive device 1 is connected with the connecting piece 2 or two ends of the conductive device 1 are respectively connected with the connecting piece 2, the connecting piece 2 comprises a crimping part 10, a cavity 11 and a wire storage cavity 12 which are mutually communicated are sequentially formed along the axial direction of the end face of the crimping part 10, the inner diameter of the wire storage cavity 12 is larger than that of the cavity 11, the conductive device 1 comprises an end part 20, a deformation part 30 and a body part 40 which are sequentially connected, the end part 20 is positioned in the wire storage cavity 12, the outer diameter of the end part 20 is larger than that of the deformation part 30, the deformation part 30 is positioned in the cavity 11, the outer periphery of the deformation part 30 is tightly attached to the inner wall of the cavity 11, and the body part 40 is positioned outside the cavity 11, and the outer diameter of the body part 40 is larger than that of the deformation part 30.
The conductive device 1 described herein may be generally made of aluminum or copper; in this embodiment, the connecting member 2 is a sleeve-shaped member with one end 20 closed, and the other end 20 is provided with a cavity 11 and a wire storage cavity 12 which are mutually communicated.
In this embodiment, a multi-core aluminum wire is used as the conductive device 1 to be electrically connected with the connecting piece 2.
In a specific implementation, the inner diameter of the cavity 11 can be increased by 0.1-0.3mm according to the diameter of the conductive device 1 so as to facilitate penetration of the conductive device 1, the inner diameter of the wire storage cavity 12 is larger than the inner diameter of the cavity 11, after the end 20 of the conductive device 1 is inserted into the corresponding wire storage cavity 12, the crimping part 10 is partially compressed, and due to the existence of the wire storage cavity 12, the conductive device 1 can compress the redundant part into the wire storage cavity 12 and tightly attached to the inner wall of the wire storage cavity 12, thereby increasing the relative drawing force between the conductive device 1 and the connecting piece 2, playing the role of preventing the conductive device 1 from retreating relative to the connecting piece 2, reducing failure risk and providing guarantee for the safety of automobiles.
In one embodiment, as shown in fig. 4, at least part of the deformation portion 30 and the cross-sectional area of the crimp portion 10 corresponding to the deformation portion 30 are hexagonal.
When the cross section shape is hexagonal, the polygonal compression molding die can be adopted for one-time compression molding, so that the compression molding processing time is greatly shortened, and the production efficiency is improved.
In one embodiment, as shown in fig. 2, in order to facilitate the insertion of the conductive device 1 into the cavity 11, the end surface of the crimping portion 10 extends outwards to form a switching portion 50, a switching cavity 51 connected to the cavity 11 is disposed in the switching portion 50, and the inner diameter of the switching cavity 51 gradually increases along the direction from the crimping portion 10 to the switching portion 50.
In one embodiment, at least the outer peripheral surface of the body portion 40 is provided with an insulating layer 3, and in order to further secure the insulating performance of the conductive device 1 at the position of the transfer cavity 51, the end portion 20 of the insulating layer 3 is disposed in the transfer cavity 51.
Further, if the connection between the conductive device 1 and the connector 2 is exposed to the atmosphere, the conductive portion of the conductive device 1 is oxidized, so the inventor sets that the end surface of the adaptor portion 50 further extends to form a sealing portion 60, a sealing cavity 61 connected to the adaptor cavity 51 is disposed in the sealing portion 60, and at least part of the body portion 40 and the insulating layer 3 are disposed in the sealing cavity 61.
In order to further ensure tightness between the conductive device 1 and the connection piece 2, a circumferentially arranged protrusion or depression 62 structure is provided on the inner wall of the sealing chamber 61. In the process of crimping the connector 2, the sealing part 60 can compress the insulating layer 3 into steps of two protrusions or recesses 62, so that the insulating layer 3 is prevented from shrinking and retreating, and the tightness is ensured.
In a further embodiment, the material of the connecting member 2 is aluminum.
In this embodiment, one end of the connecting member 2 is provided with a cavity 11 to be crimped with the conductive device 1, and the other end of the connecting member 2 is further electrically connected with the electrical component. For example, the other end 20 of the connector 2 is friction welded to the adapter terminal.
Example 2
As shown in fig. 2 and 3, the embodiment 1 differs only in that the connector 2 further includes a connecting portion 70 connected to the pressure-bonding section 10, and at least part of the connecting portion 70 is flat in shape. The connection portion 70 may be integrally formed with the pressure-bonding section 10, or may be separately formed and connected by welding or pressure-bonding.
Further, when the connection portion 70 and the press-connection portion 10 are both made of aluminum, and the conductive device 1 is also made of aluminum, the press-connection portion 10 can be directly press-connected to the conductive device 1, and the connection portion 70 is directly electrically connected to the electrical component. Compared with the embodiment 1, the connecting part 70 and the press connection part 10 are integrally formed, so that the use of an intermediate switching terminal is saved, the process program is reduced, the manufacturing cost is saved, and meanwhile, the whole vehicle can be effectively lightened by using the electric connection assembly disclosed by the utility model, and the purpose of light weight is achieved.
When the connection portion 70 is electrically connected to the electrical component, in order to prevent the problem of electrochemical corrosion between different metals when the connection portion 70 and the electrical component are made of different materials, the inventors set that plating layers are provided on at least part of the inner wall of the through hole 71 and the planes of both ends of the through hole 71 of the connection portion 70.
The specific plating layer can be made of one or more of nickel, cadmium, manganese, zirconium, cobalt, tin, titanium, chromium, gold, silver, zinc, tin-lead alloy, silver-antimony alloy, palladium-nickel alloy, graphite silver, graphene silver or silver-gold-zirconium alloy.
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. An electrical connection assembly comprising a conductive device and at least one connector, characterized in that,
the connecting piece comprises a crimping part, a cavity and a wire storage cavity which are mutually communicated are sequentially arranged along the axial direction of the end surface of the crimping part, the inner diameter of the wire storage cavity is larger than that of the cavity,
the conductive device comprises an end part, a deformation part and a body part which are sequentially connected, wherein the end part is positioned in the wire storage cavity, the outer diameter of the end part is larger than that of the deformation part, the deformation part is positioned in the cavity, the periphery of the deformation part is tightly attached to the inner wall of the cavity, and the body part is positioned outside the cavity, and the outer diameter of the body part is larger than that of the deformation part.
2. The electrical connection assembly of claim 1, wherein at least a portion of the deformation and the crimp corresponding to the deformation are hexagonal in cross-sectional area.
3. The electrical connection assembly of claim 1, wherein the end face of the crimp portion extends to form a transition portion, a transition cavity is provided in the transition portion and connected to the cavity, and an inner diameter of the transition cavity gradually increases along a direction from the crimp portion to the transition portion.
4. An electrical connection assembly according to claim 3 wherein at least the outer peripheral surface of the body portion is provided with an insulating layer, the insulating layer ends being disposed within the transfer cavity.
5. The electrical connection assembly of claim 4, wherein the adapter end surface extends to form a seal, a seal cavity is disposed in the seal and is connected to the adapter cavity, and at least a portion of the body portion and the insulating layer are disposed in the seal cavity.
6. The electrical connection assembly of claim 5, wherein a circumferentially disposed protrusion or depression is provided on an inner wall of the seal cavity.
7. The electrical connection assembly of claim 1, wherein the connector further comprises a connecting portion connected to the crimp portion, the connecting portion having a flat shape.
8. The electrical connection assembly of claim 7, wherein the connection portion is provided with a through hole therethrough.
9. The electrical connection assembly of claim 8, wherein the connection portion is provided with plating on at least an inner wall of the through hole and a portion of a plane of both ends of the through hole.
10. The electrical connection assembly of claim 1, wherein the connector is aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321175400.7U CN219892522U (en) | 2023-05-16 | 2023-05-16 | Electric connection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321175400.7U CN219892522U (en) | 2023-05-16 | 2023-05-16 | Electric connection assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892522U true CN219892522U (en) | 2023-10-24 |
Family
ID=88403533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321175400.7U Active CN219892522U (en) | 2023-05-16 | 2023-05-16 | Electric connection assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892522U (en) |
-
2023
- 2023-05-16 CN CN202321175400.7U patent/CN219892522U/en active Active
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