CN210326173U - Copper-aluminum composite material - Google Patents
Copper-aluminum composite material Download PDFInfo
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- CN210326173U CN210326173U CN201921126431.7U CN201921126431U CN210326173U CN 210326173 U CN210326173 U CN 210326173U CN 201921126431 U CN201921126431 U CN 201921126431U CN 210326173 U CN210326173 U CN 210326173U
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- copper
- tenon
- aluminum
- composite material
- plate strip
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Abstract
The utility model relates to a copper-aluminum composite material, belonging to the technical field of power transmission parts, which comprises a copper plate belt and an aluminum plate belt, wherein one side of the copper plate belt and one side of the aluminum plate belt are joggled and then are made into a whole; the tenon is gradually thickened from the root to the outer end. The utility model adopts the tenon-and-mortise structure, the area of the copper-aluminum interface bonding area is large, and the bonding is firm and reliable; the copper plate belt and the aluminum plate belt are embedded into each other to a large depth, and the crack prevention expansion capacity is strong; the inside of the joint part is large and the outside of the joint part is small, and the joint part has good inhibiting effect on the possible crack propagation of parts and the looseness of copper and aluminum tenons.
Description
Technical Field
The utility model relates to a power transmission parts technical field especially relates to a copper aluminium combined material.
Background
There is a need in the power and battery industry for connections between a large number of copper bars and aluminum bars. Copper-aluminum composite materials are widely researched and developed due to excellent performance, but the research process is relatively long due to the difference between the two materials, and the biggest problem of interface bonding strength of the copper-aluminum composite materials in practical processing application is generally the problem. The existing copper-aluminum composite material is usually combined in an upper layer mode and a lower layer mode, the mode cannot adapt to laser welding during part assembly, and the reliability of electric connection is influenced by the restriction of expansion coefficient matching in bolt connection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a copper aluminium combined material, the bonding area is big, combines firmly reliably.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a copper-aluminum composite material comprises a copper plate belt and an aluminum plate belt, wherein one side of the copper plate belt and one side of the aluminum plate belt are manufactured into a whole after being joggled.
Furthermore, one side of the copper plate strip is provided with a tenon, the length of the tenon is equal to that of the copper plate strip, and the tenon and the copper plate strip are integrally manufactured; one side of the aluminum plate strip is provided with a mortise matched with the tenon, and the tenon is arranged in the mortise.
Or one side of the aluminum plate strip is provided with a tenon, the length of the tenon is equal to that of the aluminum plate strip, and the tenon and the aluminum plate strip are integrally manufactured; one side of the copper plate strip is provided with a mortise matched with the tenon, and the tenon is arranged in the mortise.
Further, the cross section of the tenon is wedge-shaped.
Preferably, the tenon is gradually thickened from the root to the outer end.
Further preferably, the tenon is dovetail-shaped.
Alternatively, the tenon tapers from the root to the outer end.
Furthermore, the outer end of the tenon is provided with an expansion part which is manufactured integrally.
Preferably, the width of the tenon is 2.5mm-25 mm.
Wherein, the thickness of the copper plate strip is the same as that of the aluminum plate strip.
Preferably, the thickness of the copper strip is 0.1mm-4 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model adopts the tenon-and-mortise structure, the area of the copper-aluminum interface bonding area is large, and the bonding is firm and reliable; but also has good inhibiting effect on the possible crack propagation of the parts and the loosening of the copper and aluminum tenons.
Drawings
FIG. 1 is a three-dimensional view of the first embodiment;
FIG. 2 is a three-dimensional view of a copper strip according to one embodiment;
FIG. 3 is a cross-sectional view of the first embodiment;
FIG. 4 is a sectional view of the second embodiment;
FIG. 5 is a sectional view of the third embodiment;
FIG. 6 is a sectional view of the fourth embodiment;
FIG. 7 is a sectional view of the fifth embodiment;
in the figure: 1-copper plate strip, 2-aluminum plate strip, 11-copper tenon, 12-expansion part and 21-aluminum tenon.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, 2, and 3, the copper-aluminum composite material disclosed in this embodiment includes a copper plate strip 1 and an aluminum plate strip 2, and one side of the copper plate strip 1 and one side of the aluminum plate strip 2 are joggled and then made into a whole. In this embodiment, one side of the copper plate strip 1 is provided with a copper tenon 11, one side of the aluminum plate strip 2 is provided with a mortise matched with the copper tenon 11, and the copper tenon 11 is arranged in the mortise. The copper tenons 11 are manufactured integrally with the copper strips 1.
In the embodiment, the cross section of the copper tenon 11 is wedge-shaped, and the copper tenon 11 becomes thinner gradually from the root to the outer end. The length of the copper tenon 11 is equal to that of the copper plate strip 1.
The width of the copper tenon 11 is 2.5mm-25mm, and the width of the copper tenon 11 corresponds to the embedding depth of the copper plate strip 1 and the aluminum plate strip 2. The copper plate belt 1 and the aluminum plate belt 2 are embedded into each other to a large depth, and the crack prevention expansion capability is strong.
The copper strip 1 and the aluminum strip 2 have the same thickness. The thickness of the copper strip 1 can be 0.1mm-4 mm.
The copper-aluminum interface bonding area in the embodiment is large in area and firm and reliable in bonding.
Example two
The difference between this embodiment and the first embodiment is: as shown in fig. 4, in the present embodiment, one side of the aluminum plate strip 2 has an aluminum tenon 21, one side of the copper plate strip 1 has a mortise adapted to the aluminum tenon 21, and the aluminum tenon 21 is installed in the mortise. The length of the aluminum tenon 21 is equal to that of the aluminum plate belt 2, and the aluminum tenon 21 and the aluminum plate belt 2 are manufactured integrally; the width of the aluminum tenon 21 is 2.5mm-25mm, and the width of the aluminum tenon 21 corresponds to the embedding depth of the copper plate strip 1 and the aluminum plate strip 2. The cross section of the aluminum tenon 21 is wedge-shaped. The aluminum rabbet 21 becomes thinner from the root to the outer end.
EXAMPLE III
The present embodiment is different from the first and second embodiments in that: as shown in fig. 5, the present embodiment is provided with an integrally-manufactured enlarged portion 12 at the end of the tenon. The enlarged portion 12 is rounder in this embodiment. The product is prepared by extrusion. In the embodiment, the area of the copper-aluminum interface bonding area is large, and the bonding is firm and reliable; and the outer part is small and the inner part is large, so that the falling can be effectively prevented, the crack prevention expansion capacity is strong, and the reliability is good.
Example four
The difference between this embodiment and the third embodiment is that: as shown in FIG. 6, the enlarged portion 12 of the present embodiment is designed to form a shoulder on the tenon, which is effective in preventing the falling off.
EXAMPLE five
The present embodiment is different from the first and second embodiments in that: as shown in fig. 7, the tenon in this embodiment is gradually thickened from the root to the outer end. Preferably, the tenon 11 is dovetail-shaped.
The utility model adopts the tenon-and-mortise structure, the area of the copper-aluminum interface bonding area is large, and the bonding is firm and reliable; but also has good inhibiting effect on the possible crack propagation of the parts and the loosening of the copper and aluminum tenons.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.
Claims (10)
1. A copper-aluminum composite material is characterized in that: the aluminum plate is characterized by comprising a copper plate belt and an aluminum plate belt, wherein one side of the copper plate belt and one side of the aluminum plate belt are joggled and then manufactured into a whole.
2. The copper-aluminum composite material according to claim 1, characterized in that: one side of the copper plate strip is provided with a tenon, the length of the tenon is equal to that of the copper plate strip, and the tenon and the copper plate strip are integrally manufactured; one side of the aluminum plate strip is provided with a mortise matched with the tenon, and the tenon is arranged in the mortise.
3. The copper-aluminum composite material according to claim 1, characterized in that: one side of the aluminum plate strip is provided with a tenon, the length of the tenon is equal to that of the aluminum plate strip, and the tenon and the aluminum plate strip are integrally manufactured; one side of the copper plate strip is provided with a mortise matched with the tenon, and the tenon is arranged in the mortise.
4. The copper-aluminum composite material according to claim 2 or 3, characterized in that: the cross section of the tenon is wedge-shaped.
5. The copper-aluminum composite material according to claim 4, characterized in that: the tenon is gradually thickened from the root to the outer end.
6. The copper-aluminum composite material according to claim 5, characterized in that: the tenon is dovetail type.
7. The copper-aluminum composite material according to claim 4, characterized in that: the tenon becomes thinner gradually from the root to the outer end.
8. The copper-aluminum composite material according to claim 7, characterized in that: the outer end of the tenon is provided with an expansion part which is manufactured integrally.
9. The copper-aluminum composite material according to claim 2 or 3, characterized in that: the width of the tenon is 2.5mm-25 mm.
10. The copper-aluminum composite material according to claim 1, characterized in that: the thickness of the copper plate strip is the same as that of the aluminum plate strip, and the thickness of the copper plate strip is 0.1mm-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126431.7U CN210326173U (en) | 2019-07-18 | 2019-07-18 | Copper-aluminum composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126431.7U CN210326173U (en) | 2019-07-18 | 2019-07-18 | Copper-aluminum composite material |
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| Publication Number | Publication Date |
|---|---|
| CN210326173U true CN210326173U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921126431.7U Active CN210326173U (en) | 2019-07-18 | 2019-07-18 | Copper-aluminum composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037694A (en) * | 2023-03-30 | 2023-05-02 | 江苏瑞邦复合材料科技有限公司 | Production method, equipment and application of copper-aluminum composite board strip |
-
2019
- 2019-07-18 CN CN201921126431.7U patent/CN210326173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037694A (en) * | 2023-03-30 | 2023-05-02 | 江苏瑞邦复合材料科技有限公司 | Production method, equipment and application of copper-aluminum composite board strip |
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