Insulation assembly, battery and automobile

Abstract

The invention discloses an insulating assembly, a battery and an automobile. The insulating assembly comprises an insulating part, the shaping piece comprises a first shaping part and a second shaping part which are connected with each other, the first shaping part is connected with the insulating piece, a groove part capable of accommodating a tab is formed among the insulating piece, the first shaping part and the second shaping part, and the first shaping part and the second shaping part can clamp the tab. According to the invention, the groove part is used for accommodating redundant tabs, and the redundant tabs are positioned under the clamping action of the first shaping part and the second shaping part, so that allowance is provided for the expansion of a subsequent electrode assembly, the tabs are prevented from being snapped at the end of life of the battery, and the normal use of the battery is maintained; and moreover, the problem of short circuit caused by the fact that the tab with the surplus length is reversely inserted into the electrode assembly is solved, and the safety is improved.

Description

Technical Field

[0001] The present application relates to the technical field of batteries, and particularly to an insulating component, a battery, and an automobile. Background Art

[0002] Currently, the mainstream batteries in the market mainly include electrode components and insulating components, etc. The electrode components include electrode tabs, and the insulating components include insulating parts and can play an insulating and protective role for the electrode tabs. During the product life cycle of the battery, the electrode components will expand and contract during the use of the battery. In order to reduce the risk of the electrode tabs being broken during expansion, resulting in abnormal capacity and internal resistance, a reserved length is often provided for the electrode tabs. However, the electrode tabs with surplus length are likely to be inserted into the electrode components, causing internal short circuit of the battery and then safety risks. With the wide promotion of new energy vehicles and energy storage power stations, the industry has put forward higher requirements for the safety and reliability of batteries, and the subsequent battery structure design needs to be further optimized. Summary of the Invention

[0003] In order to solve the above problems, the present application provides an insulating component, a battery, and an automobile.

[0004] According to one aspect of the embodiments of the present application, an insulating component is disclosed. The insulating component includes an insulating part; a shaping part, the shaping part includes a first shaping part and a second shaping part connected to each other. The first shaping part is connected to the insulating part, and a groove part for accommodating the electrode tab is formed among the insulating part, the first shaping part, and the second shaping part, and the first shaping part and the second shaping part can clamp the electrode tab.

[0005] In an exemplary embodiment, the insulating part is located above the first shaping part, and the second shaping part is connected to one side or both sides of the first shaping part.

[0006] In an exemplary embodiment, the second shaping part includes a first side plate and a second side plate connected to each other. The first side plate is opposite to the insulating part, and the second side plate extends upward from one end of the first side plate to the insulating part, so that a groove part is formed among the first side plate, the second side plate, and the insulating part. The groove part is located on the side of the first shaping part, and there is a spaced arrangement between one end of the first side plate away from the second side plate and the first shaping part.

[0007] In an exemplary embodiment, the first side plate is farther away from the insulating part than the first shaping part.

[0008] In an exemplary embodiment, a supporting plane is provided on the first side plate, and the supporting plane faces the insulating part.

[0009] In an exemplary embodiment, the thickness of the first side plate gradually shrinks in a direction approaching the first shaping portion; there is an inclined surface in the transition between the supporting plane and the second side plate; one side of the supporting plane close to the first shaping portion gradually inclines in a direction away from the insulating member.

[0010] In an exemplary embodiment, the first shaping portion is plate-shaped, and there is a gap between the end face of the first shaping portion and the end face of the insulating member.

[0011] In an exemplary embodiment, one side of the first shaping portion close to the second shaping portion warps towards the insulating member; the thickness of the first shaping portion gradually shrinks in a direction approaching the second shaping portion; the end face of the first shaping portion facing away from the insulating member protrudes in an arc shape; at least one liquid leakage hole is provided on the first shaping portion.

[0012] In an exemplary embodiment, a first positioning seat is provided at one end of the first shaping portion along a first direction, a second positioning seat is provided at the other end of the first shaping portion along the first direction, and both the first positioning seat and the second positioning seat are connected to the insulating member.

[0013] In an exemplary embodiment, the first positioning seat is detachably hinged to the insulating member, and the second positioning seat is snap-connected to the insulating member.

[0014] In an exemplary embodiment, a first clamping block is provided on the first positioning seat, the first clamping block is semi-cylindrical, a limiting plate is provided on the insulating member, the limiting plate fits against the side wall of the first shaping portion and extends along the first direction, a clamping groove is provided on the limiting plate, the clamping groove is in a shape of a superior arc, and the first clamping block is snapped into the clamping groove; at least one second clamping block is provided on one of the second positioning seat and the insulating member, and at least one first through hole is provided at a position corresponding to the second clamping block on the other, and the second clamping blocks are snap-connected to the first through holes one by one.

[0015] In an exemplary embodiment, a third clamping block is provided on one of the second shaping portion and the first positioning seat, a second through hole is provided on the other, and the third clamping block is snapped into the second through hole; a fourth clamping block is provided on one of the second shaping portion and the second positioning seat, a third through hole is provided on the other, and the fourth clamping block is snapped into the third through hole.

[0016] In an exemplary embodiment, two insulating members are symmetrically arranged along the first direction, two first shaping portions are symmetrically arranged along the first direction, the insulating members and the first shaping portions are arranged at intervals one by one, and the second shaping portions are provided on both sides of one first shaping portion.

[0017] In an exemplary embodiment, the insulating component further includes a cover plate member, the insulating member is disposed on the cover plate member, and the first shaping portion and the second shaping portion are both disposed on a side of the insulating member facing away from the cover plate member; a terminal post is disposed on the cover plate member and axially extends between the insulating member and the first shaping portion, and is configured to electrically connect to a lead-out tab; an explosion-proof valve is disposed on the cover plate member, and a pressure relief hole is provided on an end surface of the insulating member facing the explosion-proof valve.

[0018] According to one aspect of the embodiments of the present application, a battery is disclosed, including the above-mentioned insulating component; a lead-out tab is disposed in an interval space between the insulating member and the first shaping portion; at least two electrode assemblies, the electrode assembly includes an electrode core and a tab connected between the lead-out tab and the electrode core, the electrode core is located on a side of the first shaping portion facing away from the insulating member, a channel capable of clamping the tab is formed between the first shaping portion and the second shaping portion, the tabs on the two electrode assemblies are respectively located on both sides of the first shaping portion, a part of the tabs surrounds the first shaping portion and passes through the interval space, and another part of the tabs passes through the groove and the channel.

[0019] In an exemplary embodiment, the battery further includes a housing having an installation opening, the insulating component includes a cover plate member, the insulating member is disposed on the cover plate member, the first shaping portion is disposed on a side of the insulating member facing away from the cover plate member, the cover plate member is connected to the housing and covers the installation opening, and the insulating member, the first shaping portion, the second shaping portion, and the electrode assembly are all located inside the housing.

[0020] According to one aspect of the embodiments of the present application, an automobile is disclosed, including the above-mentioned battery.

[0021] The technical solutions provided by the embodiments of the present application at least include the following beneficial effects:

[0022] In the insulating component disclosed in the present application, the first shaping portion, the second shaping portion, and the insulating member jointly construct a groove portion, an externally provided lead-out tab is embedded between the first shaping portion and the insulating member, and the tab connected to the lead-out tab can be bent and shaped around the first shaping portion, and a part of the tabs can be received into the groove portion. The groove portion can insulate and shape part of the tabs, reducing the scattering of the tabs. Moreover, under the clamping action of the first shaping portion and the second shaping portion, the tabs are fixed, reducing the crosstalk of the tabs. The present application accommodates the redundant tabs through the groove portion, and at the same time, cooperates with the clamping action of the first shaping portion and the second shaping portion to position the redundant tabs, which not only provides a margin for the expansion of the subsequent electrode assembly, avoids the breakage of the tabs at the end of the battery life, maintains the normal use of the battery, but also solves the problem that the tabs with a surplus length crosstalk and are inserted into the electrode assembly in reverse, causing a short circuit, and improves the safety.

[0023] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings herein are incorporated into and form a part of this specification, showing embodiments consistent with this application, and are used together with the specification to explain the principles of this application.

[0025] Figure 1 A cross-sectional view of an insulating component provided by an embodiment of this application;

[0026] Figure 2 A structural diagram of a second shaping portion provided by an embodiment of this application;

[0027] Figure 3 A structural diagram of a first shaping portion, a first positioning seat, and a second positioning seat provided by an embodiment of this application;

[0028] Figure 4 A structural diagram of the cooperation between an insulating member and a first shaping portion provided by an embodiment of this application;

[0029] Figure 5 A side view of an insulating component provided by an embodiment of this application;

[0030] Figure 6 is Figure 5 A cross-sectional view taken along the A-A direction;

[0031] Figure 7 A cross-sectional view of a battery provided by another embodiment of this application;

[0032] Figure 8 A structural diagram of a first shaping portion provided by another embodiment of this application;

[0033] Figure 9 A cross-sectional view of the connection structure between an insulating member and a second shaping portion provided by another embodiment of this application;

[0034] Figure 10 A structural diagram of an insulating component provided by another embodiment of this application.

[0035] Explanation of the reference numerals is as follows:

[0036] 100 - Cover plate part, 101 - Terminal post, 102 - Lead-out piece, 103 - Tab, 110 - Insulating part, 120 - First shaping part, 121 - Spacing space, 122 - Leakage hole, 130 - Second shaping part, 131 - First side plate, 132 - Second side plate, 133 - Groove part, 134 - Support plane, 135 - Inclined plane, 136 - Channel, 211 - Second through hole, 212 - Third through hole, 310 - First positioning seat, 311 - First clamping block, 312 - Third clamping block, 320 - Second positioning seat, 321 - Fourth clamping block, 410 - Limiting plate, 411 - Card slot, 510 - Second clamping block, 520 - First through hole, 710 - Adhesive layer, 720 - Electrode assembly, 730 - Housing, 731 - Installation opening, 910 - Fifth clamping block, 920 - Fourth through hole, 1010 - Explosion-proof valve. Detailed implementation manners

[0037] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this application will be more thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.

[0038] In the description of the present invention, all the connection relationships mentioned do not simply refer to direct connection of components, but rather refer to a more optimal connection structure that can be formed by adding or reducing connection accessories according to specific implementation circumstances. Each technical feature in the present invention can be combined interactively on the premise of not conflicting with each other.

[0039] In the description of the present invention, unless otherwise clearly defined, words such as "set", "installed", and "connected" should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0040] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0041] In the description of the present invention, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number.

[0042] Refer to Figure 1, in an embodiment of the present application, an insulating component is disclosed, including an insulating member 110 and a shaping member. The shaping member includes a first shaping portion 120 and a second shaping portion 130 connected to each other. The first shaping portion 120 is connected to the insulating member 110. A groove portion 133 capable of accommodating the tab 103 is formed among the insulating member 110, the first shaping portion 120, and the second shaping portion 130. The tab 103 can be clamped between the first shaping portion 120 and the second shaping portion 130. Specifically, the groove portion 133 can insulate and shape part of the tab 103, reducing the scattering of the tab 103. Moreover, under the clamping action of the first shaping portion 120 and the second shaping portion 130, the tab 103 is fixed, reducing the movement of the tab 103, solving the problem that the tab 103 with a surplus length moves and is inserted reversely into the electrode assembly 720, causing a short circuit, and improving safety. In fact, the groove portion 133 can be merely a groove structure formed by two surfaces connected at an angle, or a groove structure formed by three continuously angled surfaces. A relatively narrow channel 136 can be formed between the first shaping portion 120 and the second shaping portion 130, which can clamp the tab 103, or a fixture structure can be formed between the first shaping portion 120 and the second shaping portion 130 to clamp the tab 103.

[0043] Further, based on Figure 1 the orientation shown, in this embodiment, the insulating member 110 is located above the first shaping portion 120, and the second shaping portion 130 is connected to both sides of the first shaping portion 120. The lead-out piece 102 is arranged between the insulating member 110 and the first shaping member. The side of the first shaping portion 120 and the second shaping portion 130 can clamp the tab 103, facilitating the layout of the lead-out piece 102 and the electrode assembly 720. In fact, the second shaping portion 130 can be connected only to any one side of the first shaping portion 120. In addition, in this embodiment, the relative positions among the insulating member 110, the first shaping portion 120, and the second shaping portion 130 are not specifically limited. The second shaping member can be arranged at intervals between the insulating member 110 and the first shaping member, or the first shaping member can be arranged at intervals between the insulating member 110 and the second shaping member, as long as a groove portion 133 capable of accommodating the tab 103 is formed among the insulating member 110, the first shaping portion 120, and the second shaping portion 130, and the tab 103 can be clamped between the first shaping portion 120 and the second shaping portion 130.

[0044] Combined with Figure 1, the insulation assembly includes a cover plate member 100, an insulation member 110, a first shaping portion 120, and a second shaping portion 130. The insulation member 110 is disposed on one side of the cover plate member 100. Both the first shaping portion 120 and the second shaping portion 130 are located on the side of the insulation member 110 facing away from the cover plate member 100, that is, both the first shaping portion 120 and the second shaping portion 130 are located below the insulation member 110. The first shaping portion 120 is spaced apart from the insulation member 110 to form a spaced space 121. The spaced space 121 is used to provide a setting position for the lead-out piece 102, and for the tab 103 connected to the lead-out piece 102 to be shaped around the first shaping portion 120. The second shaping portion 130 includes a first side plate 131 and a second side plate 132 connected to each other. The first side plate 131 is spaced opposite to the insulation member 110, and the second side plate 132 extends from the first side plate 131 to the insulation member 110, so that a groove portion 133 is jointly constructed between the first side plate 131, the second side plate 132, and the insulation member 110. The groove portion 133 is located on the side of the first shaping portion 120. The spaced space 121 faces the groove portion 133. The groove portion 133 can be used to accommodate the tab 103. Moreover, a channel 136 is formed by spacing between one end of the first side plate 131 away from the second side plate 132 and the first shaping portion 120. The channel 136 can be used to clamp the tab 103.

[0045] Specifically, the tab 103 is shaped around the first shaping portion 120, and then passes out through the channel 136 formed between the first shaping portion 120 and the second shaping portion 130 and is connected to the peripheral electrode assembly 720. Part of the tab 103 shaped between the spaced space 121 and the channel 136 is received and shaped in the groove portion 133 and then passes through the channel 136. In this application, the groove portion 133 accommodates the redundant tab 103 led out from the spaced space 121, and at the same time, cooperates with the clamping action of the channel 136 to position the redundant tab 103, which not only provides a margin for the expansion of the subsequent electrode assembly 720, avoids the tab 103 being pulled off at the end of the battery life, and maintains the normal use of the battery, but also solves the problem that the tab 103 with a surplus length moves and is inserted reversely into the electrode assembly 720 to cause a short circuit.

[0046] In fact, the insulation member 110 can be made of a plastic material, which plays a role in insulating and protecting the tab 103. The insulation member 110 can be connected and fixed to the cover plate member 100 through an adhesive or a fastener, etc. Moreover, both the first shaping portion 120 and the second shaping portion 130 can be made of the same insulation material, specifically, a plastic material. The groove portion 133 formed by the second shaping portion 130 and the insulation member 110 surrounds the redundant tab 103 and plays an insulation and protection effect.

[0047] Furthermore, the first side plate 131 is farther from the insulating member 110 than the first shaping portion 120. Specifically, the first side plate 131 is located at a position farther from the insulating member 110 than the first shaping portion 120, such that the positions between the first side plate 131 and the first shaping portion 120 are offset from each other, yet the clamping effect of the channel 136 on the tab 103 can be ensured, reducing the extrusion of the tab 103 by the second shaping portion 130 and the first shaping portion 120 during the assembly process, enabling the tab 103 to be shaped in accordance with the orientation of the channel 136, improving the assemblability. At the same time, the first shaping portion 120 faces the accommodation space formed by the groove portion 133, facilitating the excess tab 103 in length to be squeezed into the groove portion 133 for shaping and storage, conforming to the deformation of the tab 103, providing more storage space for the excess tab 103, and reducing the movement of the tab 103. Moreover, the first side plate 131 can support and guide the tab 103, improving the storage and fixing effect of the groove portion 133 on the tab 103.

[0048] In some other embodiments, the distances between the insulating member 110 and the first side plate 131 and the first shaping portion 120 are the same, such that the end of the first side plate 131 away from the second side plate 132 faces the first shaping portion 120 to form the channel 136. In addition, the first side plate 131 can also be closer to the insulating member 110 than the first shaping portion 120.

[0049] Furthermore, a supporting plane 134 is provided on the first side plate 131, and the supporting plane 134 faces the insulating member 110. Specifically, the supporting plane 134 provides more contact and supporting area for the tab 103, further improving the supporting effect of the first side plate 131 on the tab 103, enhancing the fixing ability of the groove portion 133 on the excess tab 103, and reducing the movement of the tab 103. In fact, the surface of the first side plate 131 facing the insulating member 110 can also be a concave or convex arc surface.

[0050] In this embodiment, the thickness of the first side plate 131 gradually shrinks in the direction closer to the first shaping portion 120. After the tab 103 passes through the channel 136 from the groove portion 133 and spreads out to be connected to the electrode assembly 720, the first side plate 131 gradually thins in the direction closer to the channel 136, such that the first side plate 131 fits better to the shape of the tab 103. In fact, the first side plate 131 can also be a plate with a uniform thickness.

[0051] In this embodiment, the side of the supporting plane 134 close to the first shaping portion 120 is gradually inclined in a direction away from the insulating member 110. Specifically, the tab 103 is connected to the peripheral electrode assembly 720 in a direction away from the insulating member 110 through the channel 136. The end of the supporting plane 134 and the first side plate 131 away from the second side plate 132 obliquely approaches the first shaping portion 120 in a direction away from the insulating member 110, forming a channel 136 that gradually narrows from wide to narrow, conforming to the shaping direction of the tab 103, reducing the extrusion of the tab 103, and improving the assemblability of the second shaping portion 130.

[0052] In some specific embodiments, the end face of the insulating member 110 facing the second shaping portion 130 is provided with a first limiting groove and a second limiting groove. The end of the second side plate 132 close to the insulating member 110 extends into the limiting groove, and the lead-out piece 102 is fitted in the second positioning groove, facilitating positioning and assembly.

[0053] Refer to Figure 2 , in this embodiment, there is an inclined surface 135 between the supporting plane 134 and the second side plate 132. Specifically, one end of the first side plate 131 faces the first shaping portion 120, and the other end is connected to the second side plate 132. The supporting plane 134 on the first side plate 131 transitions to the second side plate 132 through the inclined surface 135, increasing the connection thickness between the first side plate 131 and the second side plate 132, and further improving the connection strength between the first side plate 131 and the second side plate 132.

[0054] Furthermore, in this embodiment, the first shaping portion 120 is plate-shaped, and the end face of the first shaping portion 120 and the end face of the insulating member 110 are spaced apart from each other. Specifically, the first shaping portion 120 is a plate-shaped structure, and at the same time, the end faces of the first shaping portion 120 and the insulating member 110 are opposite to each other. After the tab 103 is led out between the first shaping portion 120 and the insulating member 110, it can be shaped around the side of the first shaping portion 120, while reducing the risk that the tab 103 near the lead-out piece 102 droops and is inserted reversely into the peripheral electrode assembly 720.

[0055] In some embodiments, the first shaping portion 120 can be rod-shaped, as long as it can provide bending shaping support for the tab 103.

[0056] Further, one side of the first shaping part 120 close to the second shaping part 130 warps towards the insulating part 110. Specifically, after the tab 103 is led out from the lead-out piece 102, part of the tab 103 is snapped into the groove part 133, and part of the tab 103 continues to pass through the through hole around the first shaping part 120. At this time, multiple tabs 103 are relatively loose. By warping the side of the first shaping part 120, the loose tabs 103 can be squeezed towards the insulating part 110, making the arrangement of multiple tabs 103 closer, and reducing the risk of the tabs 103 being reversely inserted into the electrode assembly 720 due to loosening. In fact, two second shaping parts 130 are symmetrically arranged on both sides of the first shaping part 120, and both opposite sides of the first shaping part 120 corresponding to the second shaping part 130 warp towards the insulating part 110. In addition, the first shaping part 120 can also be in the shape of a flat plate, an arc-shaped plate, etc.

[0057] Further, the thickness of the first shaping part 120 gradually shrinks towards the direction close to the second shaping part 130, and the end face of the first shaping part 120 facing away from the insulating part 110 protrudes in an arc shape. Specifically, the first shaping part 120 gradually becomes thinner towards the groove part 133, and at the same time, the end face of the first shaping part 120 facing away from the insulating part 110 protrudes in an arc shape, further making the overall shape of the first shaping part 120 more conform to the shape of the tab 103 and improving the shaping effect on the tab 103. In this embodiment, both sides of the first shaping part 120 corresponding to the second shaping part 130 warp, and at the same time, the end face of the first shaping part 120 facing away from the insulating part 110 protrudes in an arc shape, making the first shaping part 120 in the shape of a concave plate, reducing the volume of the first shaping part 120, reducing the molding cost, and lowering the weight.

[0058] Preferably, at least one liquid leakage hole 122 is provided on the first shaping part 120. It is convenient for the electrolyte to flow into the first shaping part 120 and the insulating part 110 through the electrode post 101 and then penetrate towards the electrode assembly 720. In fact, the liquid leakage hole 122 may not be provided on the first shaping part 120, and the electrolyte can penetrate and flow out through the gap between the first shaping part 120 and the second shaping part 130.

[0059] Refer to Figure 3 and Figure 4, in this embodiment, a first positioning seat 310 is provided at one end of the first shaping part 120 along the first direction, and a second positioning seat 320 is provided at the other end of the first shaping part 120 along the first direction. Both the first positioning seat 310 and the second positioning seat 320 are connected to the insulating part 110. The first shaping part 120 is in a plate shape. One end of the first shaping part 120 along the first direction is connected to the first positioning seat 310, and the other end of the first shaping part 120 along the first direction is connected to the second positioning seat 320. Specifically, the two ends of the first shaping part 120 along the first direction are respectively connected to the first positioning seat 310 and the second positioning seat 320, so that the first shaping part 120 can be suspended on one side of the insulating part 110, while improving the stability of the first shaping part 120. In addition, a plurality of liquid leakage holes 122 are arranged at intervals along the first direction on the first shaping part 120 to improve the electrolyte penetration effect. It should be noted that, relative to Figure 1 the up-down direction of the example, the mentioned first direction can specifically be the front-back direction or the left-right direction, as long as the first direction is perpendicular to the up-down direction. In this embodiment, the first direction can actually be the front-back direction. The first positioning seat 310 is provided at the front end of the first shaping part 120, and the second positioning seat 320 is provided at the rear end.

[0060] Furthermore, in combination with Figure 4 , the first positioning seat 310 is detachably hinged to the insulating part 110, and the second positioning seat 320 is snap-connected to the insulating part 110.

[0061] Specifically, during installation, the first positioning seat 310 can be first positioned and connected to the insulating part 110 so that the first positioning seat 310 can rotate around the insulating part 110, and then the second positioning seat 320 is snap-connected to the insulating part 110 to realize the assembly of the first positioning seat 310 and the insulating part 110. By first hinging and positioning, a certain degree of freedom is provided for the connection between the first positioning seat 310 and the insulating part 110, which can facilitate the alignment and assembly of the second positioning seat 320. Referring to Figure 5 , it should be noted that the hinged rotation axis of the first positioning seat 310 can be perpendicular to the first direction, parallel to the first direction, or set at other angles with respect to the first direction. In this embodiment, the hinged rotation axis of the first positioning seat 310 is perpendicular to the extension direction of the first direction, and at the same time, the two second shaping parts 130 are arranged at intervals along the rotation axial direction of the first positioning seat 310 on both sides of the first shaping part 120. In some other embodiments, both the first positioning seat 310 and the second positioning seat 320 can be detachably connected to the insulating part 110 by means of snap connection.

[0062] Furthermore, in combination with Figure 4, on opposite side walls of the first positioning seat 310, there are first clamping blocks 311 provided. The first clamping blocks 311 are semi-cylindrical, and the arc-shaped part of the first clamping blocks 311 faces the insulating part 110. There are two limiting plates 410 provided on the insulating part 110. The two limiting plates 410 are attached to the side wall of the first shaping part 120 where the first clamping blocks 311 are provided and extend along the first direction. There is a clamping groove 411 provided on the limiting plate 410. The clamping groove 411 is in the shape of a major arc and extends perpendicular to the first direction. The first clamping block 311 is snapped into the clamping groove 411. Among them, the inner diameter of the clamping groove 411 matches the outer diameter of the first clamping block 311, so that the first clamping block 311 can be positioned in the clamping groove 411 and can rotate within the clamping groove 411, realizing that the first positioning seat 310 is detachably hinged on the insulating part 110, and the structure is reliable.

[0063] The semi-cylindrical first clamping blocks 311 can reduce the sliding friction when rotating relative to the clamping groove 411 and reduce wear. In addition, it can also be that the first positioning seat 310 is formed with the clamping groove 411, and correspondingly, the insulating part 110 is formed with the first clamping blocks 311. In addition, in some embodiments, the first clamping blocks 311 can be cylindrical, elliptical, polygonal, etc., and correspondingly, on the end face of the limiting plate 410 of the insulating part 110, there can also be clamping holes provided, so that the first clamping blocks 311 can be snapped into the clamping holes.

[0064] At the same time, on the end face of the insulating part 110 facing the first shaping part 120, there are at least one second clamping block 510 provided. At the position corresponding to the second clamping block 510 on the second positioning seat 320, there is at least one first through hole 520 provided. The second clamping blocks 510 are snapped into the first through holes 520 one by one. Among them, Figure 5 and Figure 6 , there are two second clamping blocks 510 provided at intervals, and the end of the second clamping block 510 has a guiding inclined surface 135. The outer diameter of the end of the guiding inclined surface 135 away from the insulating part 110 is smaller than the inner diameter of the first through hole 520, and the outer diameter of the end of the guiding inclined surface 135 close to the insulating part 110 is larger than the inner diameter of the first through hole 520, which is convenient for the second clamping block 510 to be snapped into the first through hole 520 and at the same time reduces the possibility of the second clamping block 510 falling off after being snapped into the first through hole 520. In fact, it can also be that the second clamping block 510 is provided on the second positioning seat 320 and the first through hole 520 is provided on the insulating part 110.

[0065] Combined with Figure 2 , Figure 4 and Figure 6, in this embodiment, a third clamping block 312 is provided on the first positioning seat 310, a second through hole 211 is provided on the second shaping portion 130, and the third clamping block 312 is snapped into the second through hole 211; a fourth clamping block 321 is provided on the second positioning seat 320, a third through hole 212 is provided on the second shaping portion 130, and the fourth clamping block 321 is snapped into the third through hole 212. The first positioning seat 310 and the second positioning seat 320 are fixed on the insulating member 110. After the tab 103 is bent and shaped around the first shaping portion 120, the staff can shape the excess part of the tab 103 to the position of the groove portion 133 corresponding to the first side plate 131 and the second side plate 132. Then, the two ends of the second shaping portion 130 in the first direction are respectively clamped to the first positioning seat 310 and the second positioning seat 320 to realize the positioning and assembly of the second shaping portion 130.

[0066] Specifically, through the three-stage cooperative design of the insulating member 110, the first shaping portion 120, and the second shaping portion 130, a tab 103 shaping and fixing structure is formed, so that the excess tab 103 can be collected in the groove portion 133, which is convenient for assembly, can effectively support and fix the tab 103, prevent the tab 103 from moving during the life cycle or the excess length tab 103 from being compressed into the middle of the electrode assembly 720, and at the same time can reserve the length of the excess tab 103 to prevent the electrode assembly 720 from expanding and breaking the tab 103 at the end of the life, resulting in abnormal capacity and internal resistance. In addition, a first guide groove is provided on one of the first positioning seat 310 and the second shaping seat, a first pin is provided on the other, the first pin can slide into or out of the first guide groove, a second guide groove is provided on one of the second positioning seat 320 and the second shaping seat, a second pin is provided on the other, and the second pin can slide into or out of the second guide groove, which plays a guiding role and is convenient for assembly.

[0067] Combined with Figure 1 and Figure 5 , two insulating members 110 are symmetrically arranged along the first direction, two first shaping portions 120 are symmetrically arranged along the first direction, the insulating members 110 and the first shaping portions 120 are arranged at intervals one by one, and second shaping portions 130 are provided on both sides of one first shaping portion 120.

[0068] There are two first shaping parts 120. Second shaping parts 130 are provided on both sides of the two first shaping parts 120. There are two pole columns 101 on the cover plate part 100. The first shaping parts 120 are arranged opposite to the pole columns 101. A set of electrode assemblies 720 includes a pair of two pole cores. The two ends of the pole ear 103 are respectively connected to the lead-out piece 102 and the pole core. The lead-out piece 102 is connected to the pole column 101 and is located between the pole column 101 and the first shaping part 120. The pair of two pole cores are respectively located on both sides of a first shaping part 120. During the core combining process of the two pole cores, the pole ear 103 is respectively bent along the two side edges of the first shaping part 120, so that the first shaping part 120 wraps around the pole ear 103 on both sides along the direction perpendicular to the first direction, playing a supporting role for the pole ear 103. Then, the second shaping part 130 is respectively clamped and positioned corresponding to the positions of the single pole cores to achieve assembly, so that a part of the pole ear 103 with a surplus length after bending and shaping can be received in the enclosed groove part 133, facilitating the shaping of the pole ear 103 and improving the space utilization rate. In addition, actually, there can be only one first shaping part 120, and one second shaping part 130 is provided on each of the two side edges of the first shaping part 120. The single first shaping part 120 can correspond to the positions of the two pole columns 101 at the same time.

[0069] Referring Figure 7 , in some other embodiments, the insulating assembly includes an insulating part 110; a shaping part, the shaping part includes a first shaping part 120 and a second shaping part 130 connected to each other. The insulating part 110 is located above the first shaping part 120. The first shaping part 120 is connected to the insulating part 110. The second shaping part 130 is arranged on both sides of the first shaping part 120. A groove part 133 capable of accommodating the pole ear 103 is formed among the insulating part 110, the first shaping part 120, and the second shaping part 130. The first shaping part 120 and the second shaping part 130 can clamp the pole ear 103. A paste layer 710 is provided on the end surface of the first shaping part 120 facing the insulating part 110. Specifically, a paste layer 710 is provided on the end surface of the plate-shaped first shaping part 120 facing the insulating part 110. During the assembly process, by pasting the paste layer 710 of the first shaping part 120 on the pole ear 103 connected to the lead-out piece 102 for fixation, the pole ear 103 extending from the lead-out piece 102 can also be bent and shaped around the first shaping part 120. At the same time, there is no need to separately provide positioning seats at both ends of the first shaping part 120 in the first direction for fixation and support, improving the assembly efficiency and reducing the overall weight of the insulating assembly.

[0070] Referring Figure 8, in this embodiment, the part of the first shaping portion 120 close to the second shaping portion 130 is buckled inward toward the insulating member 110, and the adhesive layer 710 is disposed on the buckled part, so that the overall thickness of the first shaping portion 120 is relatively thick, providing a supporting effect for the tab 103. At the same time, the side of the first shaping portion 120 facing away from the insulating member 110 is an arc convex surface, and the overall thickness of both sides of the first shaping portion 120 close to the second shaping portion 130 gradually decreases, strengthening the fit with the tab 103 and improving the shaping effect. In fact, the first shaping portion 120 can also be a flat plate structure, and the adhesive layer 710 is directly disposed on the plate body of the first shaping portion 120.

[0071] Further, referring to Figure 9 , the second shaping portion 130 is connected to the insulating member 110. Specifically, the first shaping portion 120 is pasted on the tab 103, and the second shaping portion 130 is assembled on the insulating member 110, improving the installation stability of the second shaping portion 130. In this embodiment, at least one fourth through hole 920 is provided on the second shaping portion 130, and at least one fifth engaging block 910 is provided on the insulating member 110. The fifth engaging block 910 is snap-fitted into the fourth through hole 920 one by one, facilitating the installation of the second shaping portion 130.

[0072] Referring to Figure 10 , the insulating component in this embodiment further includes a cover plate member 100, a pole column 101, and an explosion-proof valve 1010. The insulating member 110 and the lead-out piece 102 are both disposed on the cover plate member 100. The first shaping portion 120 and the second shaping portion 130 are both disposed on the side of the insulating member 110 facing away from the cover plate member 100; the pole column 101 is disposed on the cover plate member 100 and extends axially between the insulating member 110 and the first shaping portion 120, configured to be electrically connected to the lead-out piece 102; the explosion-proof valve 1010 is disposed on the cover plate member 100, and a pressure relief hole is provided on the end surface of the insulating member 110 facing the explosion-proof valve 1010. The pressure relief valve can prevent the high-pressure gas generated when the battery is abnormal from diffusing to the explosion-proof valve 1010 through the pressure relief hole, so as to discharge the high-temperature and high-pressure gas in time and prevent the internal pressure of the battery from being too large and causing an explosion. In this embodiment, a positive pole column 101 and a negative pole column 101 are arranged at intervals along the first direction, and the explosion-proof valve 1010 is located between the positive pole column 101 and the negative pole column 101. The corresponding positive pole column 101 is electrically connected to the positive lead-out piece 102, and the positive lead-out piece 102 is connected to the positive pole core through the first tab 103. The negative pole column 101 is electrically connected to the negative lead-out piece 102, and the negative lead-out piece 102 is connected to the negative pole core through the second tab 103, facilitating assembly.

[0073] The present application also provides a battery, which includes the above-mentioned insulating component, lead-out piece 102, and two electrode components 720. The lead-out piece 102 is disposed in the spaced space 121 between the insulating member 110 and the first shaping portion 120. The electrode component 720 includes a core and a tab 103 connected between the lead-out piece 102 and the core. The core is located on the side of the first shaping portion 120 facing away from the insulating member 110. The tabs 103 on the two electrode components 720 are respectively located on both sides of the first shaping portion 120 in pairs. A part of the tabs 103 surrounds the first shaping portion 120 and penetrates through the spaced space 121, and another part of the tabs 103 penetrates through the groove and the channel 136.

[0074] Specifically, the two electrode components 720 in this embodiment are respectively arranged along the first direction. One electrode component 720 includes a pair of cores. During the assembly process, first, the tab 103 is welded to the electrode component 720, and then the tab 103 is welded to the lead-out piece 102. At this time, the lead-out piece 102 is welded to the cover plate member 100 and is synchronously connected to the insulating member 110. Moreover, the pair of cores of the electrode component 720 are respectively located on both sides of the lead-out piece 102 with the lead-out piece 102 as the symmetry center. Then, the first shaping portion 120 is covered on the tab 103 welded to the lead-out piece 102. At this time, the first shaping portion 120 can be fixedly connected to the insulating member 110 or directly adhered to the tab 103. An interval space 121 capable of installing the lead-out piece 102 is formed between the first shaping portion 120 and the insulating member 110. Next, the above-mentioned pair of cores are flipped to achieve core combination. During the flipping process of the cores, the tab 103 is bent and shaped along the side of the first shaping plate. After core combination, the cores are located on the side of the first shaping portion 120 facing away from the insulating member 110. Finally, the second shaping portion 130 is assembled on the bent portion of the tab 103, so that a part of the redundant tab 103 is stacked and received in the groove portion 133 formed by the second shaping portion 130 and the insulating member 110, and a part of the tab 103 is clamped on the channel 136 formed by the interval between the second shaping portion 130 and the first shaping portion 120. Through the three-stage assembly method, the installation of the first shaping portion 120 and the second shaping portion 130 is facilitated, the shaping effect of the tab 103 is improved, the crosstalk and reverse insertion of the tab 103 with a surplus length into the electrode component 720, which may cause a short-circuit phenomenon, are reduced, and a margin is also provided for the expansion of the subsequent electrode component 720, avoiding the breakage of the tab 103 at the end of the battery life and maintaining the normal use of the battery.

[0075] Moreover, in combination with Figure 7, the battery further includes a housing 730 having a mounting opening 731. The insulating assembly includes a cover plate member 100, an insulating member 110 is disposed on the cover plate member 100, a first shaping portion 120 is disposed on a side of the insulating member 110 facing away from the cover plate member 100. The cover plate member 100 is connected to the housing 730 and covers the mounting opening 731. The insulating member 110, the first shaping portion 120, the second shaping portion 130, and the electrode assembly 720 are all located inside the housing 730. Specifically, after the electrode cores are assembled and the second shaping portion 130 is assembled, the electrode assembly 720, the first shaping portion 120, and the second shaping portion 130 are placed inside the housing 730. Finally, the battery assembly is achieved by snap-connecting the cover plate member 100 to the housing 730 and covering the mounting opening 731. In addition, the present application also provides an automobile, which includes the above-mentioned battery.

[0076] Those skilled in the art will readily conceive of other embodiments of the present application after considering the specification and practicing the invention disclosed herein. The present application is intended to cover any variations, uses, or adaptations of the present application, which follow the general principles of the present application and include known common knowledge or conventional technical means in the technical field not disclosed in the present application. The specification and examples are only regarded as exemplary, and the true scope and spirit of the present application are pointed out by the appended claims.

Claims

1. An insulating component, characterized in that, Comprising: Insulating member; Shaping member, the shaping member includes a first shaping portion and a second shaping portion connected to each other, the first shaping portion is connected to the insulating member, and a groove portion capable of accommodating the tab is formed between the insulating member, the first shaping portion, and the second shaping portion, and the first shaping portion and the second shaping portion can clamp the tab.

2. The insulating component according to claim 1, characterized in that, The insulating member is located above the first shaping portion, and the second shaping portion is connected to one side or both sides of the first shaping portion.

3. The insulating component according to claim 1, wherein The second shaping portion includes a first side plate and a second side plate connected to each other, the first side plate faces the insulating member, and the second side plate extends upward from one end of the first side plate to the insulating member, so that a groove portion is formed between the first side plate, the second side plate, and the insulating member, the groove portion is located on the side of the first shaping portion, and a gap is provided between one end of the first side plate away from the second side plate and the first shaping portion.

4. The insulating component according to claim 3, wherein The first side plate is farther from the insulating member than the first shaping portion.

5. The insulating component according to claim 3 or 4, wherein A supporting plane is provided on the first side plate, and the supporting plane faces the insulating member.

6. The insulating component according to claim 5, wherein The thickness of the first side plate gradually shrinks in the direction close to the first shaping portion; There is an inclined surface between the supporting plane and the second side plate; One side of the supporting plane close to the first shaping portion gradually inclines in the direction away from the insulating member.

7. The insulating component according to claim 2, wherein The first shaping portion is plate-shaped, and there is a gap between the end face of the first shaping portion and the end face of the insulating member.

8. The insulating component according to claim 7, wherein One side of the first shaping portion close to the second shaping portion warps toward the insulating member; The thickness of the first shaping portion gradually shrinks in the direction close to the second shaping portion; The end face of the first shaping portion facing away from the insulating member protrudes in an arc shape; At least one liquid leakage hole is provided on the first shaping portion.

9. The insulating component according to claim 1 or 7, wherein A first positioning seat is provided at one end of the first shaping portion along a first direction, a second positioning seat is provided at the other end of the first shaping portion along the first direction, and both the first positioning seat and the second positioning seat are connected to the insulating member.

10. The insulating component according to claim 9, wherein The first positioning seat is detachably hinged to the insulating member, and the second positioning seat is snap-connected to the insulating member.

11. The insulating component according to claim 10, wherein A first clamping block is provided on the first positioning seat, the first clamping block is semi-cylindrical, a limiting plate is provided on the insulating member, the limiting plate fits on the side wall of the first shaping portion and extends along the first direction, a clamping groove is provided on the limiting plate, the clamping groove is in a shape of a superior arc, and the first clamping block is clamped into the clamping groove; At least one second clamping block is provided on one of the second positioning seat and the insulating member, and at least one first through hole is provided at a position corresponding to the second clamping block on the other, and the second clamping block is clamped into the first through hole one by one.

12. The insulating component according to claim 9, wherein A third clamping block is provided on one of the second shaping portion and the first positioning seat, and a second through hole is provided on the other, and the third clamping block is clamped into the second through hole; A fourth clamping block is provided on one of the second shaping portion and the second positioning seat, and a third through hole is provided on the other, and the fourth clamping block is clamped into the third through hole.

13. The insulating component according to claim 9, wherein Two insulating members are symmetrically arranged along the first direction, two first shaping portions are symmetrically arranged along the first direction, the insulating members and the first shaping portions are arranged at intervals one by one, and the second shaping portions are provided on both sides of one of the first shaping portions.

14. The insulating component according to claim 1, characterized in that, Further comprising: A cover plate member, the insulating member is arranged on the cover plate member, and the first shaping portion and the second shaping portion are both arranged on the side of the insulating member facing away from the cover plate member; A pole column, arranged on the cover plate member and extending axially to between the insulating member and the first shaping portion, configured to be used for electrically connecting the lead-out piece; An explosion-proof valve, arranged on the cover plate member, and a pressure relief hole is provided on the end face of the insulating member facing the explosion-proof valve.

15. A battery, characterized in that, Comprising: The insulating component according to any one of claims 1 to 14; A lead-out piece, arranged in the spaced space between the insulating member and the first shaping portion; At least two electrode assemblies, the electrode assemblies include pole cores and pole lugs connected between the lead-out piece and the pole cores, the pole cores are located on the side of the first shaping portion facing away from the insulating member, a channel capable of clamping the pole lugs is formed between the first shaping portion and the second shaping portion, the pole lugs on the two electrode assemblies are respectively located on both sides of the first shaping portion, a part of the pole lugs surround the first shaping portion and pass through the spaced space, and another part of the pole lugs pass through the groove portion and the channel.

16. The battery according to claim 15, wherein The battery further includes a housing having an installation opening, the insulating component includes a cover plate member, the insulating member is arranged on the cover plate member, the first shaping portion is arranged on the side of the insulating member facing away from the cover plate member, the cover plate member is connected to the housing and covers the installation opening, and the insulating member, the first shaping portion, the second shaping portion and the electrode assembly are all located inside the housing.

17. A vehicle, characterized in that, Including the battery according to any one of claims 15 to 16.

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