Composite pole, battery and electric equipment

Abstract

The utility model provides a composite pole, battery and electric equipment wherein the composite pole comprises: a first member, the first member is made of a first material, the first end of the first member is provided with a pre-connection part; the first component is made of a first material, the second component is made of a second material, the second component is provided with a matching part, the pre-connecting part is suitable for being matched with the matching part to fix the first component and the second component, a first fusion connecting part is arranged between the first component and the second component, and a second fusion connecting part is arranged between the first component and the second component. The first fusion connecting part is suitable for being fused under the heating condition so that the first component and the second component can be connected into a whole. According to the composite pole disclosed by the utility model, the connection strength between the first component and the second component can be effectively improved, meanwhile, large-batch production and manufacturing are facilitated, and the production cost of the composite pole is favorably reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and more specifically, to a composite pole, a battery and an electrical device. Background Art

[0002] In the related art, the composite pole of the battery is generally made of two components of the same material through friction welding. However, the pole with this structure has the problem that the welding surface of the two components is easy to break and the connection strength is insufficient. In addition, the friction welding process equipment investment is large and the production efficiency is low, which leads to a high production cost of the composite pole. Utility Model Content

[0003] The first object of the utility model is to provide a new technical solution for a composite pole, which can at least solve the technical problem of insufficient connection strength between two components of the existing pole.

[0004] The second object of the utility model is to provide a battery, comprising the above-mentioned composite pole.

[0005] The third object of the utility model is to provide an electrical device including the above-mentioned battery.

[0006] According to a first aspect of the utility model, a composite pole is provided, comprising: a first component, the first component is made of a first material, and a first end of the first component is provided with a pre-connection portion; a second component, the second component is made of a second material, and the second component is provided with a matching portion, the pre-connection portion is suitable for matching with the matching portion to fix the first component and the second component, and a first fusion connection portion is provided between the first component and the second component, and the first fusion connection portion is suitable for melting under heating to connect the first component and the second component as a whole.

[0007] Optionally, the first molten connection portion is formed as an annular structure extending around the circumference of the first member.

[0008] Optionally, the first component includes: a first functional segment, the pre-connection portion is arranged in the first functional segment; a second functional segment, the radial dimension of the second functional segment is larger than the radial dimension of the first functional segment, the first end of the second functional segment is connected to the first functional segment, and the first end of the second functional segment is suitable for fitting with the second component, and the first fusion connection portion is arranged between the second functional segment and the second component.

[0009] Optionally, the second functional section is provided with a first filling groove at the first end, a first limiting portion is provided on the inner side of the first filling groove, the first fusion connection is provided in the first filling groove, and the first limiting portion is suitable for cooperating with the first fusion connection to limit the rotation of the first fusion connection; and / or, the second component is provided with a second filling groove, a second limiting portion is provided on the inner side of the second filling groove, the first fusion connection is provided in the second filling groove, and the second limiting portion is suitable for cooperating with the first fusion connection to limit the rotation of the first fusion connection.

[0010] Optionally, the pre-connecting portion is configured as an external thread provided on the first component, and the matching portion is configured as an internal thread provided on the second component.

[0011] Optionally, a second fusion connection portion is provided between the pre-connection portion and the matching portion, and the second fusion connection portion is suitable for melting under heating to connect the pre-connection portion and the matching portion into one.

[0012] Optionally, a weight-reducing groove is provided at the first end of the first member.

[0013] Optionally, the first fusion connection portion is provided between the pre-connection portion and the fitting portion.

[0014] According to a second aspect of the utility model, a battery is provided, comprising the above-mentioned composite pole.

[0015] According to a third aspect of the utility model, there is provided an electrical device comprising the above-mentioned battery.

[0016] According to the composite pole of the utility model, the first component and the second component can be pre-fixed by cooperating with the pre-connecting portion and the matching portion, and the first molten connection portion can be melted when heated, so as to facilitate the connection of the first component and the second component into one, and can effectively improve the connection strength between the first component and the second component, and at the same time facilitate mass production and manufacturing, which is beneficial to reducing the production cost of the composite pole.

[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0019] Figure 1 is a cross-sectional view of a composite pole according to an embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a first component of a composite pole according to an embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a second component of a composite pole according to an embodiment of the utility model;

[0022] Figure 4 It is a cross-sectional view of a first component according to an embodiment of the utility model when a first fusion connection portion and a second fusion connection portion are provided;

[0023] Figure 5 It is a cross-sectional view of a second component according to an embodiment of the present utility model when a first fusion connection portion and a second fusion connection portion are provided;

[0024] Figure 6 It is a cross-sectional view of a composite pole according to another embodiment of the utility model.

[0025] Reference numerals

[0026] Composite pole 100;

[0027] The first component 10; the first functional section 11; the pre-connecting portion 111; the second functional section 12; the first filling groove 121; the first limiting portion 121a; the weight-reducing groove 13;

[0028] The second component 20; the matching portion 21; the second filling groove 22; the second limiting portion 22a;

[0029] A first fusion connection portion 30 ; and a second fusion connection portion 40 . DETAILED DESCRIPTION

[0030] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0031] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0032] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0033] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0034] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0035] The composite pole 100 according to the embodiment of the utility model is first described in detail below with reference to the accompanying drawings.

[0036] like Figures 1 to 6 As shown, the composite pole 100 according to the embodiment of the present invention includes: a first component 10 and a second component 20 .

[0037] Specifically, the first component 10 is made of the first material, and a pre-connection portion 111 is provided at the first end of the first component 10. The second component 20 is made of the second material, and a matching portion 21 is provided at the second component 20. The pre-connection portion 111 is suitable for cooperating with the matching portion 21 to fix the first component 10 and the second component 20. A first fusion connection portion 30 is provided between the first component 10 and the second component 20. The first fusion connection portion 30 is suitable for melting under heating to connect the first component 10 and the second component 20 as one.

[0038] In other words, if Figures 1 to 6 As shown, the composite pole 100 according to the embodiment of the utility model mainly includes a first component 10 made of a first material and a second component 20 made of a second material, wherein a first end of the first component 10 is provided with a pre-connection portion 111, the second end of the first component 10 is formed as the upper end of the composite pole 100, the second component 20 is provided with a matching portion 21 adapted to the pre-connection portion 111, and a first fusion connection portion 30 is provided on the first component 10 or the second component 20.

[0039] It should be noted that the first material can be copper, the second material is the same as the material of the tab or adapter, such as aluminum, and the first molten connection part 30 is a third material whose melting point is lower than the first and second materials, such as tin.

[0040] like Figure 1 As shown, during production, the first component 10 and the second component 20 can be pre-fixed by cooperating with the pre-connection part 111 and the matching part 21. At this time, the first molten connection part 30 is located between the first component 10 and the second component 20, and then it is heated to a set temperature to make the first molten connection part 30 in a molten state.

[0041] In this embodiment, since the pre-connection portion 111 cooperates with the matching portion 21 to pre-fix the first component 10 and the second component 20, when the first molten connection portion 30 is in a molten state, the positions of the first component 10 and the second component 20 will not change, so that after the first molten connection portion 30 is cooled, the first molten connection portion 30 can connect the first component 10 and the second component 20 as one.

[0042] Furthermore, by using a heating device, the plurality of first components 10 and the plurality of second components 20 can be heated simultaneously after being pre-fixed, which can effectively improve production efficiency.

[0043] Therefore, according to the composite pole 100 provided in this embodiment, the first component 10 and the second component 20 can be pre-fixed by cooperating with the pre-connection portion 111 and the matching portion 21, and the first fusion connection portion 30 can be melted when heated, so as to facilitate the connection of the first component 10 and the second component 20 as a whole, and can effectively improve the connection strength between the first component 10 and the second component 20, and at the same time facilitate mass production and manufacturing, which is conducive to reducing the production cost of the composite pole 100.

[0044] According to an embodiment of the present invention, the first fusion connection portion 30 is formed as an annular structure extending around the circumference of the first component 10 .

[0045] In this embodiment, the first fusion connection portion 30 is configured as an annular structure extending along the circumference of the first component 10, which can effectively improve the connection strength between the first component 10 and the second component 20, while ensuring the flow capacity of the connection between the first component 10 and the second component 20.

[0046] In some embodiments of the present invention, the first component 10 includes: a first functional segment 11 and a second functional segment 12 .

[0047] Specifically, the pre-connection portion 111 is arranged in the first functional segment 11, the radial dimension of the second functional segment 12 is larger than the radial dimension of the first functional segment 11, the first end of the second functional segment 12 is connected to the first functional segment 11, and the first end of the second functional segment 12 is suitable for fitting with the second component 20, and the first fusion connection portion 30 is arranged between the second functional segment 12 and the second component 20.

[0048] That is to say, Figure 2 and Figure 4As shown, the first component 10 mainly includes a first functional segment 11 and a second functional segment 12, wherein the first functional segment 11 is formed as a cylinder, the first functional segment 11 is provided with a pre-connection portion 111, the second functional segment 12 is also a cylindrical structure, the axis of the second functional segment 12 coincides with the axis of the first functional segment 11, and the first end of the second functional segment 12 is connected to the first functional segment 11.

[0049] like Figure 2 and Figure 4 As shown, the radial dimension of the second functional segment 12 is greater than the radial dimension of the first functional segment 11, thereby ensuring that the first end of the second functional segment 12 can fit with the second component 20, and the first fusion connection portion 30 is located between the second functional segment 12 and the second component 20, and the first fusion connection portion 30 can connect the second functional end and the second component 20 as a whole.

[0050] Alternatively, if Figure 2 and Figure 4 As shown, a flange is provided at the second end of the second functional section 12, and the flange is suitable for cooperating with the battery cover plate, so as to facilitate the assembly of the composite pole 100 and the battery cover plate.

[0051] According to one embodiment of the utility model, a first filling groove 121 is provided at the first end of the second functional section 12, a first limiting portion 121a is provided on the inner side of the first filling groove 121, the first fusion connection portion 30 is provided in the first filling groove 121, and the first limiting portion 121a is suitable for cooperating with the first fusion connection portion 30 to limit the rotation of the first fusion connection portion 30; and / or, the second component 20 is provided with a second filling groove 22, a second limiting portion 22a is provided on the inner side of the second filling groove 22, the first fusion connection portion 30 is provided in the second filling groove 22, and the second limiting portion 22a is suitable for cooperating with the first fusion connection portion 30 to limit the rotation of the first fusion connection portion 30.

[0052] Specifically, Figure 1 and Figure 2 As shown, the first end of the second functional segment 12 can be provided with a first annular filling groove 121, and the bottom of the first filling groove 121 is provided with a first limiting portion 121a, and the first limiting portion 121a can be a convex structure or a concave structure. Before the first component 10 and the second component 20 are pre-fixed, the first fusion connection portion 30 can be assembled in the first filling groove 121, and the first fusion connection portion 30 is provided with a structure adapted to the first limiting portion 121a.

[0053] The first fusion connection part 30 cooperates with the first limiting part 121a to limit the rotation of the first fusion connection part 30 relative to the first component 10. When the adhesion between the first fusion connection part 30 and the second functional section 12 is low, the first fusion connection part 30 cooperates with the first limiting part 121a to ensure the connection strength between the first component 10 and the first fusion connection part 30, thereby ensuring the connection strength between the first component 10 and the second component 20.

[0054] Furthermore, if Figure 1 and Figure 3 As shown, a second annular filling groove 22 is provided at one end of the second component 20 close to the first component 10, and a second limiting portion 22a is provided at the bottom of the second filling groove 22. The second limiting portion 22a can be a convex structure or a concave structure. Before the first component 10 and the second component 20 are pre-fixed, the first fusion connection portion 30 can be assembled in the second filling groove 22, and the first fusion connection portion 30 is provided with a structure adapted to the second limiting portion 22a.

[0055] The first fusion connection part 30 cooperates with the second limiting part 22a to limit the rotation of the first fusion connection part 30 relative to the second component 20. When the adhesion between the first fusion connection part 30 and the second component 20 is low, the connection strength between the second component 20 and the first fusion connection part 30 can be ensured by cooperating with the second limiting part 22a, thereby ensuring the connection strength between the first component 10 and the second component 20.

[0056] In this embodiment, before the first component 10 and the second component 20 are pre-fixed, the first molten connection portion 30 is divided into two separate parts, wherein one part is arranged in the first filling groove 121 and the other part is arranged in the second filling groove 22. After the first component 10 and the second component 20 are pre-fixed and heated, the two separate parts of the first molten connection portion 30 are in a molten state and melt into one. After cooling, the first molten connection portion 30 can connect the first component 10 and the second component 20 into one; and the first molten connection portion 30 cooperates with the first limiting portion 121a and the second limiting portion 22a to limit the relative rotation of the first component 10 and the second component 20, thereby ensuring the connection strength between the first component 10 and the second component 20 and preventing the first component 10 and the second component 20 from moving relative to each other.

[0057] According to an embodiment of the present invention, the pre-connection portion 111 is configured as an external thread provided on the first component 10 , and the matching portion 21 is configured as an internal thread provided on the second component 20 .

[0058] That is to say, Figures 1 to 6As shown, the pre-connection portion 111 can be formed as an external thread provided on the outer peripheral surface of the second functional segment 12, and the second component 20 can be formed as an end cap structure. The inner wall surface of the second component 20 is provided with an internal thread, so that the first component 10 and the second component 20 can be threadedly connected together, which can ensure the connection strength between the first component 10 and the second component 20, and the structure is simple and easy to produce.

[0059] In this embodiment, the first fusion connection portion 30 cooperates with the first limiting portion 121a and the second limiting portion 22a to limit the relative rotation of the first component 10 and the second component 20, and the external thread cooperates with the internal thread to limit the first component 10 and the second component 20 from moving away from each other directly along the axial direction of the first component 10, thereby ensuring the connection strength between the first component 10 and the second component 20, avoiding the first component 10 and the second component 20 from detaching from each other, and further ensuring the reliability of the composite pole 100.

[0060] In some embodiments of the present invention, a second fusion connection portion 40 is provided between the pre-connection portion 111 and the matching portion 21 , and the second fusion connection portion 40 is suitable for melting under heating to connect the pre-connection portion 111 and the matching portion 21 as one.

[0061] Specifically, Figure 4 and Figure 5 As shown, before the first component 10 and the second component 20 are pre-fixed, a layer of a third material can be coated on the surface of the pre-connection portion 111 and / or the matching portion 21 to serve as the second fusion connection portion 40. After the first component 10 and the second component 20 are pre-fixed, they are heated to a set temperature to make the second fusion connection portion 40 in a molten state. Finally, they are cooled to connect the pre-connection portion 111 and the matching portion 21 as a whole with the second fusion connection portion 40, which can further improve the connection strength between the first component 10 and the second component 20 and improve the reliability of the composite pole 100.

[0062] like Figure 1 As shown, according to an embodiment of the present invention, a weight-reducing groove 13 is provided at the first end of the first component 10 , and the weight-reducing groove 13 can effectively reduce the weight of the composite pole 100 and improve the material utilization rate.

[0063] When the composite pole 100 is applied to an electrical device, such as a vehicle, the weight of the vehicle can be effectively reduced, thereby improving the vehicle's endurance to a certain extent.

[0064] like Figure 6As shown, in some embodiments of the present invention, the first fusion connection portion 30 is arranged between the pre-connection portion 111 and the matching portion 21. The first fusion connection portion 30 can be connected to the connection portion and the matching portion 21 as a whole, so that the first component 10 and the second component 20 are connected as a whole to form a composite pole 100.

[0065] The embodiment of the utility model further provides a battery, including the composite pole 100 described in any of the above embodiments. Since the composite pole 100 according to the embodiment of the utility model has the above technical effects, the battery according to the embodiment of the utility model also has corresponding technical effects, which will not be described in detail in this embodiment.

[0066] The embodiment of the utility model further provides an electric device, the electric device is, for example, but not limited to, a vehicle, and the electric device includes the above-mentioned battery. Since the composite pole 100 according to the embodiment of the utility model has the above-mentioned technical effects, the electric device according to the embodiment of the utility model also has corresponding technical effects, which will not be described in detail in this embodiment.

[0067] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A composite pole, characterized in that: include: A first component (10), the first component (10) is made of a first material, and a first end of the first component (10) is provided with a pre-connection portion (111); a second component (20), wherein the second component (20) is made of a second material, the second component (20) is provided with a matching portion (21), and the pre-connecting portion (111) is suitable for matching with the matching portion (21) to fix the first component (10) and the second component (20), A first fusion connection portion (30) is provided between the first component (10) and the second component (20), and the first fusion connection portion (30) is suitable for melting under heating to connect the first component (10) and the second component (20) into one.

2. The composite pole according to claim 1, characterized in that: The first molten joint (30) is formed into an annular structure extending around the circumference of the first member (10).

3. The composite pole according to claim 1, characterized in that: The first component (10) comprises: A first functional section (11), wherein the pre-connecting portion (111) is provided in the first functional section (11); a second functional segment (12), wherein the radial dimension of the second functional segment (12) is greater than the radial dimension of the first functional segment (11), and a first end of the second functional segment (12) is connected to the first functional segment (11), The first end of the second functional section (12) is suitable for being fitted with the second component (20), and the first fusion connection portion (30) is arranged between the second functional section (12) and the second component (20).

4. The composite pole according to claim 3, characterized in that: The second functional section (12) is provided with a first filling groove (121) at a first end, a first limiting portion (121a) is provided inside the first filling groove (121), the first fusion connection portion (30) is provided in the first filling groove (121), and the first limiting portion (121a) is suitable for cooperating with the first fusion connection portion (30) to limit the rotation of the first fusion connection portion (30); and / or, The second component (20) is provided with a second filling groove (22), the inner side of the second filling groove (22) is provided with a second limiting portion (22a), the first fusion connection portion (30) is provided in the second filling groove (22), and the second limiting portion (22a) is suitable for cooperating with the first fusion connection portion (30) to limit the rotation of the first fusion connection portion (30).

5. The composite pole according to claim 1, characterized in that: The pre-connecting portion (111) is configured as an external thread provided on the first component (10), and the matching portion (21) is configured as an internal thread provided on the second component (20).

6. The composite pole according to claim 1, characterized in that: A second fusion connection portion (40) is provided between the pre-connection portion (111) and the matching portion (21), and the second fusion connection portion (40) is suitable for melting under heating to connect the pre-connection portion (111) and the matching portion (21) into one.

7. The composite pole according to claim 1, characterized in that: A weight-reducing groove (13) is provided at the first end of the first component (10).

8. The composite pole according to claim 1, characterized in that: The first fusion connection portion (30) is arranged between the pre-connection portion (111) and the matching portion (21).

9. A battery, characterized in that: A composite pole comprising the composite pole according to any one of claims 1 to 8.

10. An electrical device, characterized in that: A battery comprising the battery of claim 9.

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