CN223193946U - Battery structural components and batteries - Google Patents
Battery structural components and batteriesInfo
- Publication number
- CN223193946U CN223193946U CN202421693979.0U CN202421693979U CN223193946U CN 223193946 U CN223193946 U CN 223193946U CN 202421693979 U CN202421693979 U CN 202421693979U CN 223193946 U CN223193946 U CN 223193946U
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- hole
- explosion
- battery
- pole
- proof valve
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Abstract
本实用新型涉及储能设备技术领域，尤其涉及一种电池结构组件，包括顶盖片、引脚、极柱和防爆阀。顶盖片上开设有装配孔，引脚上开设有台阶孔，极柱的中部贯穿开设有通孔，极柱的一端经过装配孔和台阶孔铆接于台阶孔处，极柱的另一端沿装配孔的径向凸出装配孔。防爆阀连接于通孔的内壁，防爆阀封堵通孔。本实用新型还提供了一种电池，包括箱体和上述的电池结构组件，顶盖片设置在箱体的开口处，以与箱体共同形成电池的壳体。该电池结构组件和电池能够在保证电池质量的前提下，降低电池成本。
The present utility model relates to the technical field of energy storage equipment, and in particular to a battery structure assembly, including a top cover sheet, a pin, a pole and an explosion-proof valve. An assembly hole is provided on the top cover sheet, a step hole is provided on the pin, a through hole is provided through the middle of the pole, one end of the pole is riveted to the step hole through the assembly hole and the step hole, and the other end of the pole protrudes radially from the assembly hole. The explosion-proof valve is connected to the inner wall of the through hole, and the explosion-proof valve blocks the through hole. The present utility model also provides a battery, including a box body and the above-mentioned battery structure assembly, wherein the top cover sheet is arranged at the opening of the box body to form a battery shell together with the box body. The battery structure assembly and the battery can reduce the battery cost while ensuring the quality of the battery.
Description
Technical Field
The utility model relates to the technical field of energy storage equipment, in particular to a battery structure assembly and a battery.
Background
In order to ensure the use safety of the battery, an explosion-proof valve is generally arranged on a cover plate of the battery, a pole of the battery is of a solid structure, the outward end part of the pole is riveted to an aluminum block, the other end of the pole protrudes out of a fitting hole, and the pole and the aluminum block can be riveted to tightly compress the structures such as upper insulating plastic, a top cover sheet, lower insulating plastic and the like. The battery product is difficult to reduce cost while ensuring the product quality due to the fact that the structural components are more and the assembly steps are more.
Disclosure of utility model
An object of the present utility model is to provide a battery structural assembly capable of reducing battery cost while ensuring battery quality.
To achieve the purpose, the utility model adopts the following technical scheme:
There is provided a battery structural assembly comprising:
A top cover sheet provided with an assembly hole;
The pin is provided with a step hole;
The middle part of the pole is provided with a through hole in a penetrating way, one end of the pole is riveted at the step hole through the assembly hole and the step hole, and the other end of the pole protrudes out of the assembly hole along the radial direction of the assembly hole;
The explosion-proof valve is connected to the inner wall of the through hole and seals the through hole.
Optionally, a first step surface is arranged in the through hole, the first step surface faces away from the pin, and the explosion-proof valve is connected to the first step surface.
Optionally, the explosion-proof valve is welded to the first step surface.
Optionally, the explosion-proof valve is provided with a notch, the notch is located on one surface of the explosion-proof valve, which is away from the pin, or the notch is located on one surface of the explosion-proof valve, which is towards the pin, or both the surface of the explosion-proof valve, which is away from the pin, and the surface of the explosion-proof valve, which is towards the pin, are provided with the notch.
Optionally, the anti-explosion valve further comprises an anti-explosion film, wherein the anti-explosion film is arranged in the through hole, the through hole is plugged by the anti-explosion film, and the anti-explosion film is far away from the top cover plate than the anti-explosion valve.
Optionally, a second step surface is arranged in the through hole, the second step surface faces away from the pin, and the anti-explosion film is connected to the second step surface.
Optionally, the riveted end face of the pole is flush with the face of the pin facing away from the top cover plate.
Optionally, the electrode post comprises a positive electrode post and a negative electrode post, the explosion-proof valve is arranged in the through hole of the positive electrode post to block the through hole of the positive electrode post, and a blocking piece is arranged in the through hole of the negative electrode post to block the through hole of the negative electrode post;
Or the explosion-proof valve is arranged in the through hole of the negative electrode pole to block the through hole of the negative electrode pole, and the blocking piece is arranged in the through hole of the positive electrode pole to block the through hole of the positive electrode pole;
Or two explosion-proof valves are arranged, and the two explosion-proof valves are respectively arranged in the through hole of the positive electrode pole and the through hole of the negative electrode pole.
Optionally, the pole further comprises an upper insulating piece, wherein one end of the pole is provided with a protruding part, and the upper insulating piece is positioned between the protruding part and the top cover sheet;
And/or, the assembly hole is further provided with an insulating sealing ring, the insulating sealing ring is sleeved on the pole, and the insulating sealing ring is clamped between the pole and the inner wall of the assembly hole;
And/or, further comprise a lower insulating member, wherein the lower insulating member is clamped between the top cover sheet and the pins.
Another object of the present utility model is to provide a battery that can reduce the cost of the battery while ensuring the quality of the battery.
To achieve the purpose, the utility model adopts the following technical scheme:
The battery comprises a box body and the battery structure assembly, wherein the top cover sheet is arranged at the opening of the box body so as to form a shell of the battery together with the box body.
The utility model has the beneficial effects that:
The utility model provides a battery structure assembly, which comprises a top cover plate, pins, a pole column and an explosion-proof valve. Wherein, set up the pilot hole on the top cover piece, set up the step hole on the pin, the through-hole has been run through to the middle part of utmost point post, and the one end of utmost point post is riveted in step hole department through pilot hole and step hole, and the radial protrusion pilot hole in pilot hole is followed to the other end of utmost point post. The explosion-proof valve is connected to the inner wall of the through hole, and the explosion-proof valve seals the through hole. Through the one end and the pin riveting of utmost point post, and the protruding pilot hole of the other end of utmost point post, can borrow riveting to compress tightly each subassemblies such as utmost point post, top cover piece, no longer need set up the riveting aluminium piece in the other end of utmost point post additionally, and no longer need carry out welded fastening to pin and utmost point post, saved some process steps among the prior art. And through setting up explosion-proof valve in through-hole department shutoff through-hole, can solve the sealed problem of utmost point post cavity through-hole. Therefore, the battery structure component can reduce the number of components on the premise of ensuring the quality of the battery, save part of process steps, reduce the cost of the battery and improve the production efficiency.
The utility model provides a battery, which comprises a box body and the battery structure assembly, wherein a top cover sheet is arranged at an opening of the box body so as to form a shell of the battery together with the box body. The battery can reduce the cost of the battery on the premise of ensuring the quality of the battery.
Drawings
Fig. 1 is a schematic structural view of a battery structural assembly according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a battery structural component according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is an enlarged view at B in fig. 3;
Fig. 5 is an exploded view of a battery structural assembly provided by an embodiment of the present utility model.
In the figure:
1. The anti-explosion cover plate comprises a cover plate body, 2 pins, 3 pole posts, 31, through holes, 32, a riveting end face, 33, a first step face, 34, a second step face, 35, a third step face, 36, a protruding part, 4, an anti-explosion valve, 41, nicks, 5, an anti-explosion film, 6, upper plastic, 7, an insulating sealing ring, 8 and lower plastic.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected or detachably connected, mechanically connected or electrically connected, directly connected or indirectly connected through intermediaries, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1 to 5, the battery structural assembly of the present embodiment includes a top cover sheet 1, a lead 2, a post 3, and an explosion-proof valve 4. Wherein, set up the pilot hole on the top cover piece 1, set up the step hole on the pin 2, the through-hole 31 has been run through to set up in the middle part of utmost point post 3, and the one end of utmost point post 3 is riveted in step hole department through pilot hole and step hole, and the radial protrusion pilot hole in pilot hole of the other end of utmost point post 3. The explosion-proof valve 4 is connected to the inner wall of the through hole 31, and the explosion-proof valve 4 seals the through hole 31.
The pole 3 is riveted on the pin 2, so that firm connection between the pole and the pin can be ensured, the risk of detachment between the pole and the pin is almost reduced to zero, and the quality stability of the battery can be effectively ensured. Because one end of the pole 3 is riveted with the pin 2, and the other end of the pole 3 protrudes out of the assembly hole, each component such as the pole 3 and the top cover plate 1 can be tightly pressed by riveting, the other end of the pole 3 is not required to be additionally provided with a riveted aluminum block, the pin 2 and the pole 3 are not required to be welded and fixed, and part of process steps in the prior art are omitted. And through setting up explosion-proof valve 4 at through-hole 31 department shutoff through-hole 31, can solve the sealed problem of through-hole 31 of utmost point post 3, can also save the space that sets up explosion-proof valve 4 on the top piece 1. Therefore, the battery structure component can reduce the number of components on the premise of ensuring the quality of the battery, save part of process steps, reduce the cost of the battery and improve the production efficiency.
Optionally, a first step surface 33 is provided in the through hole 31, the first step surface 33 faces away from the pin 2, and the explosion-proof valve 4 is connected to the first step surface 33. Alternatively, in this embodiment, the first step surface 33 is an annular surface, however, in other embodiments, the first step surface 33 may be provided as a plurality of sections of surfaces spaced apart, and the annular surface is integrally formed, but the sealing is required to be ensured. Optionally, the explosion-proof valve 4 is welded to the first step surface 33 to secure the connection strength of the explosion-proof valve 4 with the pole 3.
Optionally, the explosion-proof valve 4 is provided with a notch 41, and the notch 41 has weak structural strength, namely, can be exploded under preset pressure. The notch 41 is positioned on one side of the explosion-proof valve 4 facing away from the pin 2, or the notch 41 is positioned on one side of the explosion-proof valve 4 facing towards the pin 2, or both the side of the explosion-proof valve 4 facing away from the pin 2 and the side facing towards the pin 2 are provided with the notch 41. In this embodiment, the score 41 is located on the side of the explosion proof valve 4 facing away from the pin 2.
Optionally, the battery structure component further comprises an explosion-proof film 5, the explosion-proof film 5 is arranged in the through hole 31, the through hole 31 is blocked by the explosion-proof film 5, the explosion-proof film 5 is far away from the top cover plate 1 than the explosion-proof valve 4, and the explosion-proof film 5 can ensure that the explosion-proof valve 4 is not in direct contact with the outside, so that the explosion-proof valve 4 has a certain protection effect.
Optionally, a second step surface 34 is disposed in the through hole 31, the second step surface 34 faces away from the pin 2, and the explosion-proof film 5 is connected to the second step surface 34. Optionally, the second step surface 34 is also an annular surface.
Optionally, in order to make the explosion-proof film 5 and the explosion-proof valve 4 have a certain distance, a third step surface 35 is further disposed in the through hole 31, the second step surface 34, the third step surface 35 and the first step surface 33 are sequentially disposed along the axial direction of the through hole 31, and the outer diameter of the second step surface 34, the outer diameter of the third step surface 35 and the outer diameter of the first step surface 33 are gradually reduced.
Optionally, the riveted end face 32 of the pole 3 is flush with the face of the pin 2 facing away from the top cover plate 1 to prevent bulging damage to other components inside the battery.
Alternatively, the post 3 includes a positive post and a negative post, and in this embodiment, two explosion-proof valves 4 are provided, and the two explosion-proof valves 4 are provided in the through-hole 31 of the positive post and the through-hole 31 of the negative post, respectively. Of course, in other embodiments, only one explosion-proof valve 4 may be disposed in the through hole 31 of the positive electrode post to block the through hole 31 of the positive electrode post, and a blocking member is disposed in the through hole 31 of the negative electrode post to block the through hole 31 of the negative electrode post. Alternatively, the blocking member may be a blocking piece welded to the inner wall of the through hole 31 of the negative electrode post. Or the explosion-proof valve 4 is arranged in the through hole 31 of the negative electrode pole to block the through hole 31 of the negative electrode pole, and a blocking piece is arranged in the through hole 31 of the positive electrode pole to block the through hole 31 of the positive electrode pole.
In order to ensure insulation between the pole 3 and the top cover sheet 1, the battery construction assembly optionally further comprises an upper insulation member, one end of the pole 3 having a protrusion 36, the upper insulation member being located between the protrusion 36 and the top cover sheet 1. Optionally, the upper insulating member is made of PP or PPs plastic material 6. The upper plastic 6 is provided with a positioning groove, the protruding part 36 is positioned in the positioning groove, and the bottom of the positioning groove is provided with a penetrating hole so that the pole 3 penetrates. Optionally, a limit groove is also formed in the top cover sheet 1, the upper plastic 6 is located at the limit groove, and the assembly hole is formed in the bottom of the limit groove.
Optionally, the battery structure component further comprises an insulating sealing ring 7, wherein the insulating sealing ring 7 is sleeved on the pole 3, and the insulating sealing ring 7 is clamped between the pole 3 and the inner wall of the assembly hole. Optionally, the insulating sealing ring 7 is made of fluororubber.
In order to ensure insulation between the pins 2 and the cover sheet 1, the battery construction assembly optionally further comprises a lower insulation member sandwiched between the cover sheet 1 and the pins 2. Optionally, the lower insulating member is made of PP plastic material and is made of lower plastic 8.
Optionally, in this embodiment, the explosion-proof film 5 is made of PET, the explosion-proof valve 4 is made of MFX2, the positive electrode post is made of aluminum, the negative electrode post is made of a composite structure of aluminum and copper, the positive electrode pin 2 is made of aluminum, and the negative electrode pin 2 is made of copper.
The assembly process of the battery structure component comprises the steps of firstly assembling a top cover plate 1 and a lower plastic 8 into a first component, assembling an anode post, an upper plastic 6 at the anode and an insulating sealing ring 7 into a second component, and assembling a cathode post, the upper plastic 6 at the cathode and the insulating sealing ring 7 into a third component. And then placing the second component and the third component at specific positions, and then respectively assembling the second component and the third component on the first component. And finally, placing the anode pin 2 at a specific placement hole of the lower plastic 8, extruding the upper surfaces of the anode post and the cathode post by using a tool, and forming reversely riveted riveting surfaces in the step holes of the anode pin and the cathode pin. At this time, the two explosion-proof valves 4 are respectively placed at the third step surfaces 35 of the positive pole post and the negative pole post for welding, and finally the explosion-proof adhesive film 5 is stuck.
The battery structure component replaces the solid pole with the hollow pole 3, the pin 2 is punched with a step hole, then the hollow pole 3 is riveted with the pin 2 with the step hole, and the explosion-proof valve 4 is welded at the first step surface 33 of the through hole 31 of the pole 3. The battery structure component omits a riveting aluminum block in the prior art, and changes the solid pole into a hollow pole 3, thereby greatly reducing the cost of products. Meanwhile, the risk that the pin 2 falls off can be reduced to be zero almost due to the fact that the pin 2 is riveted with the pole 3, and therefore the safety performance of the battery is improved.
The embodiment also provides a battery, which comprises a case and the battery structure assembly, wherein the top cover sheet 1 is arranged at the opening of the case so as to form a battery case together with the case. The battery can reduce the cost of the battery on the premise of ensuring the quality of the battery.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Battery construction assembly, its characterized in that includes:
the top cover piece (1), wherein the top cover piece (1) is provided with an assembly hole;
the pin (2) is provided with a step hole;
The middle part of the pole column (3) is provided with a through hole (31) in a penetrating mode, one end of the pole column (3) is riveted at the step hole through the assembly hole and the step hole, and the other end of the pole column (3) protrudes out of the assembly hole along the radial direction of the assembly hole;
The explosion-proof valve (4), explosion-proof valve (4) connect in the inner wall of through-hole (31), explosion-proof valve (4) shutoff through-hole (31).
2. The battery structure assembly according to claim 1, characterized in that a first step surface (33) is provided in the through hole (31), the first step surface (33) faces away from the pin (2), and the explosion-proof valve (4) is connected to the first step surface (33).
3. The battery construction assembly according to claim 2, wherein the explosion-proof valve (4) is welded to the first step surface (33).
4. The battery structure assembly according to claim 1, wherein the explosion-proof valve (4) is provided with a notch (41), the notch (41) is positioned on one surface of the explosion-proof valve (4) facing away from the pin (2), or the notch (41) is positioned on one surface of the explosion-proof valve (4) facing the pin (2), or both the surface of the explosion-proof valve (4) facing away from the pin (2) and the surface facing the pin (2) are provided with the notch (41).
5. The battery structural assembly according to claim 1, further comprising an explosion-proof membrane (5), the explosion-proof membrane (5) being disposed within the through-hole (31), the explosion-proof membrane (5) sealing off the through-hole (31), the explosion-proof membrane (5) being further from the top cover sheet (1) than the explosion-proof valve (4).
6. The battery structure assembly according to claim 5, wherein a second step surface (34) is provided in the through hole (31), the second step surface (34) faces away from the lead (2), and the explosion-proof film (5) is connected to the second step surface (34).
7. The battery construction assembly according to any of claims 1-6, wherein the riveted end face (32) of the pole (3) is flush with the face of the pin (2) facing away from the top cover sheet (1).
8. The battery structural assembly according to any one of claims 1-6, wherein the post (3) comprises a positive post and a negative post, the explosion-proof valve (4) being disposed within the through-hole (31) of the positive post to block the through-hole (31) of the positive post, a blocking member being disposed within the through-hole (31) of the negative post to block the through-hole (31) of the negative post;
Or, the explosion-proof valve (4) is arranged in the through hole (31) of the negative electrode pole to block the through hole (31) of the negative electrode pole, and the blocking piece is arranged in the through hole (31) of the positive electrode pole to block the through hole (31) of the positive electrode pole;
Or, two explosion-proof valves (4) are arranged, and the two explosion-proof valves (4) are respectively arranged in the through hole (31) of the positive electrode pole and the through hole (31) of the negative electrode pole.
9. The battery construction assembly according to any one of claims 1-6, further comprising an upper insulator, one end of the pole (3) having a protrusion (36), the upper insulator being located between the protrusion (36) and the top cap sheet (1);
And/or, the device further comprises an insulating sealing ring (7), wherein the insulating sealing ring (7) is sleeved on the pole (3), and the insulating sealing ring (7) is clamped between the pole (3) and the inner wall of the assembly hole;
And/or, further comprising a lower insulator sandwiched between the top cover sheet (1) and the pins (2).
10. A battery, characterized by comprising a case and a battery structural assembly according to any one of claims 1-9, a top cover sheet (1) being arranged at an opening of the case to form a housing of the battery together with the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421693979.0U CN223193946U (en) | 2024-07-17 | 2024-07-17 | Battery structural components and batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421693979.0U CN223193946U (en) | 2024-07-17 | 2024-07-17 | Battery structural components and batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223193946U true CN223193946U (en) | 2025-08-05 |
Family
ID=96575333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421693979.0U Active CN223193946U (en) | 2024-07-17 | 2024-07-17 | Battery structural components and batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223193946U (en) |
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2024
- 2024-07-17 CN CN202421693979.0U patent/CN223193946U/en active Active
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