CN214043929U - Structure of power battery copper-aluminum composite pole - Google Patents
Structure of power battery copper-aluminum composite pole Download PDFInfo
- Publication number
- CN214043929U CN214043929U CN202021969640.0U CN202021969640U CN214043929U CN 214043929 U CN214043929 U CN 214043929U CN 202021969640 U CN202021969640 U CN 202021969640U CN 214043929 U CN214043929 U CN 214043929U
- Authority
- CN
- China
- Prior art keywords
- pole
- seat
- post
- riveting
- pole post
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a power battery copper-aluminum composite pole structure, which comprises a pole end and a pole base; the pole post end and the pole post seat are of an integrated structure formed by riveting and diffusion welding, a riveting hole is formed in the top end of the pole post end in the upward direction, the pole post end and the pole post seat form a composite pole, the pole post end and the pole seat are formed by riveting, the riveting orientation column on the upper surface of the pole seat and the riveting hole in the inner surface of the pole post seat expand to enable the riveting orientation column to be reversely tapered in the height direction to form a reverse buckling mode, the pole post end and the pole post seat are tightly jointed together and then subjected to diffusion welding, contact surfaces of the pole post end and the pole post seat can be mutually scrupulously and respectfully fused, and the tensile strength, the joint strength and the sealing performance of the pole post end and the pole post seat are greatly improved at a junction after scrupulously and respectfully fusion welding. The utility model relates to a rationally, convenient to use, production efficiency is high, the stable quality, and production investment cost is low, can prevent that compound utmost point post face of weld from splitting, increases the reliability of compound utmost point post, promotes product quality.
Description
Technical Field
The utility model relates to a power battery technical field specifically is a structure of compound utmost point post of power battery copper aluminium.
Background
The power battery is a power source for providing power source for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts, and is mainly different from a starting battery for starting an automobile engine. The valve port sealed lead-acid storage battery, the open tubular lead-acid storage battery and the lithium iron phosphate storage battery are adopted, so that the safety and the practicability of the battery are important performance parameters, the safety performance of the battery and the convenience and fastness of the battery assembled into a module can be improved by good sealing and connecting effects, and the ideal effect is difficult to achieve in the aspect of connection of the copper-aluminum composite pole of the battery in the prior art.
Copper-aluminum composite post in the existing market is formed by combining two metal blocks made of different materials, the two sealing connection processes need to be completed by adopting a friction welder to weld, poor friction welding often occurs to poor high and composite post to lead to post breakage from a welding position, and the poor post with breakage risk cannot be detected, so that potential safety hazards exist in the battery of the composite post produced by the friction welding process. Therefore, in order to solve the problems, a structure of a copper-aluminum composite pole of the power battery is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power battery copper aluminium composite post's structure to solve the current market that above-mentioned background art provided and go up copper aluminium composite post and form by two kinds of different material metal blocks combinations, both sealing connection technology need adopt friction welding machine ware welding to accomplish, bad high and composite post often takes place friction welding and badly leads to utmost point post from the welding department fracture, and this kind has the bad utmost point post of fracture risk can't detect, this battery that leads to using the composite post of friction welding technology production has the problem of potential safety hazard.
In order to achieve the above object, the utility model provides a following technical scheme:
the structure of the power battery copper-aluminum composite pole comprises a pole end and a pole base, wherein a riveting hole is formed in the top of the pole end, an annular groove is formed in the periphery of the upper end of the pole end, and the pole end and the pole base form the composite pole.
Preferably, the pole column end and the pole column seat are of an integrated structure formed by riveting and diffusion welding.
Preferably, utmost point post end and utmost point post seat produce the negative cone back-off by riveting hole riveting shaping back utmost point post seat top, just the negative cone back-off closely combines with utmost point post end, negative cone back-off toper inclination angle is 12, and inclination angle is not restricted to 12.
Preferably, the terminal is preferably made of aluminum, and the terminal material is not limited to aluminum.
Preferably, the pole socket is preferably made of copper or aluminum, and the pole socket is not limited to aluminum or copper.
Preferably, the joining process of the pole post end and the pole post seat includes, but is not limited to, stamping or cold heading, and the outer shapes of the pole post end and the pole post seat are not limited to circular, triangular, square, polygonal and irregular shapes.
Compared with the prior art, the beneficial effects of the utility model are that:
in the riveting process, the pole column end and the pole column seat are formed through riveting, the rivet fastening orientation column on the upper surface of the pole column seat and the rivet fastening hole in the inner surface of the pole column end expand to enable the rivet fastening orientation column to generate a reverse cone and a reverse buckle (a reversed trapezoid structure column and a convex ring structure) in the height direction after the rivet fastening is formed, diffusion welding is carried out after the rivet fastening orientation column and the pole column seat are tightly jointed together, scrupulously and respectfully contact surfaces of the pole column end and the pole column seat can be mutually fused together, and scrupulously and respectfully the joint after fusion jointing greatly improves the tensile strength, the joint strength and the sealing performance of the pole column end and the pole column seat.
The composite pole of the utility model adopts the riveting process, the cold heading and the common welding process, compared with the traditional friction welding process on the market, the production efficiency is improved, the capital investment of production equipment is reduced, and the production cost of the composite pole is reduced;
the utility model relates to a rationally, convenient to use, production efficiency is high, the stable quality, and production investment cost is low, can prevent that compound utmost point post face of weld from splitting, increases the reliability of compound utmost point post, promotes product quality.
Drawings
Fig. 1 is a schematic view of the composite post structure of the present invention.
Fig. 2 is a schematic front sectional view of fig. 1 according to the present invention.
Reference numbers in the figures: 1. a pole end; 2. a pole base; 3. riveting and pressing the hole; 4. a groove; 5. the negative cone is reversely buckled.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the mechanism of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a structure of a power battery copper-aluminum composite pole comprises a pole column end 1 and a pole column seat 2, wherein a riveting hole 3 is formed in the top of the pole column end 1, an annular groove 4 is formed in the periphery of the upper end of the pole column end 1, the pole column end 1 and the pole column seat 2 form the composite pole, the pole column end 1 and the pole column seat 2 are of an integral structure formed by riveting forming and diffusion welding, the pole column end 1 and the pole column seat 2 are riveted by the riveting hole 3, a negative conical reverse buckle 5 is generated on the top of the pole column seat 2, the negative conical reverse buckle 5 is tightly combined with the pole column end 1, the conical inclination angle of the negative conical reverse buckle 5 is 12 degrees and is not limited to 12 degrees, the pole column end 1 is preferably made of aluminum, the pole column end 1 is not limited to the aluminum material, the pole copper base 2 is preferably made of the aluminum material or the aluminum material, the pole column seat 2 is not limited to the aluminum material or the aluminum material, and the joint forming of the pole column end 1 and the pole column seat 2 comprises but is not limited to stamping or cold heading, the shapes of the pole post end 1 and the pole post seat 2 are not limited to round, triangle, square, polygon and special shape.
When in specific use: in the riveting process, the pole end 1 and the pole base 2 are formed by riveting, after the riveting forming, the rivet fastening directional column on the upper surface of the pole base 2 and the rivet fastening hole 3 on the inner surface of the pole end 1 expand to enable the rivet fastening directional column to generate a reverse cone, a reverse trapezoidal structure column and a convex ring structure in the height direction, after the rivet fastening directional column and the pole base 1 are tightly jointed together, diffusion welding is carried out, the contact surfaces of the pole end 1 and the pole base 2 can be fused with scrupulously and respectfully, and the tensile strength, the joint strength and the sealing performance of the pole end 1 and the pole base 2 are greatly improved at the junction after scrupulously and respectfully fusion jointing;
the composite pole of the utility model adopts the riveting process, the cold heading and the common welding process, compared with the traditional friction welding process on the market, the production efficiency is improved, the capital investment of production equipment is reduced, and the production cost of the composite pole is reduced;
the utility model relates to a rationally, convenient to use, production efficiency is high, the stable quality, and production investment cost is low, can prevent that compound utmost point post face of weld from splitting, increases the reliability of compound utmost point post, promotes product quality. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent technical features may be substituted for those in the embodiments.
Claims (6)
1. The utility model provides a structure of power battery copper aluminium composite post, includes utmost point post end (1) and utmost point post seat (2), its characterized in that, utmost point post end (1) top is equipped with riveting hole (3), utmost point post end (1) upper end periphery is provided with annular groove (4), utmost point post end (1) and utmost point post seat (2) constitution composite post.
2. The structure of the power battery copper-aluminum composite pole according to claim 1, characterized in that: the pole column end (1) and the pole column seat (2) are of an integrated structure formed by riveting and diffusion welding.
3. The structure of the power battery copper-aluminum composite pole according to claim 2, characterized in that: pole end (1) and pole seat (2) are by riveting pressing hole (3) riveting forming back pole seat (2) top production burden toper back-off (5), just burden toper back-off (5) closely combine with pole end (1), burden toper back-off (5) toper inclination angle is 12, and the inclination angle is not restricted to 12.
4. The structure of the power battery copper-aluminum composite pole according to claim 1, characterized in that: the pole end (1) is preferably made of aluminum, and the pole end (1) is not limited to the aluminum.
5. The structure of the power battery copper-aluminum composite pole according to claim 1, characterized in that: the pole column seat (2) is preferably made of copper or aluminum, and the pole column seat (2) is not limited to aluminum or copper.
6. The structure of the power battery copper-aluminum composite pole according to claim 1, characterized in that: the pole column end (1) and the pole column seat (2) are formed by a joint process including but not limited to stamping or cold heading, and the shapes of the pole column end (1) and the pole column seat (2) are not limited to circular or polygonal shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969640.0U CN214043929U (en) | 2020-09-10 | 2020-09-10 | Structure of power battery copper-aluminum composite pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969640.0U CN214043929U (en) | 2020-09-10 | 2020-09-10 | Structure of power battery copper-aluminum composite pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214043929U true CN214043929U (en) | 2021-08-24 |
Family
ID=77349820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021969640.0U Active CN214043929U (en) | 2020-09-10 | 2020-09-10 | Structure of power battery copper-aluminum composite pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214043929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865237A (en) * | 2022-05-12 | 2022-08-05 | 常州瑞德丰精密技术有限公司 | Composite pole post forming process |
| CN115570091A (en) * | 2022-09-24 | 2023-01-06 | 厦门海辰储能科技股份有限公司 | Polar pole cold heading forming die, forming equipment and preparation method |
| CN115966854A (en) * | 2023-01-15 | 2023-04-14 | 常州瑞德丰精密技术有限公司 | Forming method of composite pole |
-
2020
- 2020-09-10 CN CN202021969640.0U patent/CN214043929U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865237A (en) * | 2022-05-12 | 2022-08-05 | 常州瑞德丰精密技术有限公司 | Composite pole post forming process |
| CN114865237B (en) * | 2022-05-12 | 2024-02-13 | 常州瑞德丰精密技术有限公司 | Composite pole forming process |
| CN115570091A (en) * | 2022-09-24 | 2023-01-06 | 厦门海辰储能科技股份有限公司 | Polar pole cold heading forming die, forming equipment and preparation method |
| CN115570091B (en) * | 2022-09-24 | 2023-12-26 | 厦门海辰储能科技股份有限公司 | Polar column cold heading forming die, forming equipment and preparation method |
| CN115966854A (en) * | 2023-01-15 | 2023-04-14 | 常州瑞德丰精密技术有限公司 | Forming method of composite pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214043929U (en) | Structure of power battery copper-aluminum composite pole | |
| CN108500576A (en) | A kind of welding procedure of differential assembly | |
| CN109794670A (en) | The different metal materials resistance rivet welding system and its welding method of light-alloy and steel | |
| CN215658527U (en) | Welded joint of aluminum-steel dissimilar metal | |
| CN215008509U (en) | Pole connecting plate structure of copper-aluminum composite board | |
| CN212011128U (en) | Novel compound utmost point post of lithium cell apron | |
| CN105140429A (en) | Laminated lithium battery aluminum shell structure and manufacturing method thereof | |
| CN212209651U (en) | Negative electrode riveting aluminum block for power lithium ion battery | |
| US11351813B2 (en) | Motor vehicle wheel having an aluminum rim and a steel wheel disc joined together by welded pins | |
| CN216943421U (en) | Integrated joint bicycle, electric vehicle and electric power-assisted vehicle frame | |
| CN109014650A (en) | A kind of abnormity interference welding structure and its welding method | |
| CN214616945U (en) | Metal pipe fitting structure convenient to bond | |
| CN102319953A (en) | Friction stir spot welding method of magnesium alloy steel keyless hole | |
| CN212366965U (en) | Connection structure of many gears motor binding post and working of plastics | |
| CN206987551U (en) | A kind of body of insertion-core lock | |
| CN212959431U (en) | Novel stud | |
| CN206291212U (en) | A kind of hand-held type oxy-acetylene blowpipe | |
| CN110076438A (en) | A kind of heterogeneous part connection structure of steel aluminium and connection method | |
| CN211991383U (en) | Laser welding positioning tool for battery cover plate and battery pole group lug | |
| CN212420074U (en) | Friction stir welding process structure | |
| CN220957375U (en) | Pipeline repair die head | |
| CN217513205U (en) | Cage type tool for welding and positioning tank body | |
| CN204470875U (en) | Battery bridge butt welding particular manufacturing craft | |
| CN215527818U (en) | Power battery top cover assembly and power battery | |
| CN217253582U (en) | Friction stir welding secondary welding positioning assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Structure of Copper Aluminum Composite Pole for Power Battery Effective date of registration: 20230908 Granted publication date: 20210824 Pledgee: Bank of China Limited Wuhan Hanyang sub branch Pledgor: Wuhan Fuhang Precision Industry Co.,Ltd. Registration number: Y2023980055966 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |