Insulation structure, cover plate assembly, battery and electric equipment

Abstract

An insulation structure, a cover plate assembly, a battery and an electric device, the insulation structure comprises a main body member, the main body member comprises a main body part, the main body part is provided with an accommodating space, the accommodating space is suitable for accommodating a lead-out sheet and / or a tab so as to insulate at least part of the lead-out sheet and / or the tab from a cover plate and a cap, and the inner wall surface of the accommodating space is suitable for abutting against the lead-out sheet or the tab. An insulation structure is arranged and comprises a main body piece, the main body piece comprises a main body part, the main body part is provided with a containing space, the containing space is suitable for containing a leading-out piece and / or a pole lug so that at least part of the leading-out piece and / or the pole lug can be insulated from a cover plate and a cover cap, and the inner wall face of the containing space is suitable for abutting against the leading-out piece or the pole lug. Therefore, the lead-out sheet and the tab can be insulated from the cover plate and the cap only through the main body piece, and the manufacturing process of parts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and particularly relates to an insulating structure, a cover plate assembly, a battery and an electrical equipment. Background Art

[0002] The battery connects the electrode core and the lead-out sheet through the tab, and the lead-out sheet is charged and discharged through the terminal post. In the prior art, the insulation between the lead-out sheet, the cover plate and the cap needs to be carried out through the protruding structure of the insulating plate and the insulating layer in the cap, and there is a problem of complex part manufacturing process. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an insulating structure, a cover plate assembly, a battery and an electrical equipment, so as to solve the problem that in the prior art, the insulation between the lead-out sheet, the cover plate and the cap needs to be carried out through the protruding structure of the insulating plate and the insulating layer in the cap, and there is a problem of complex part manufacturing process.

[0004] To achieve the purpose of the utility model, the following technical solutions are provided:

[0005] In a first aspect, the utility model provides an insulating structure, including: a main body part, including a main body portion, the main body portion having a receiving space, the receiving space being adapted to receive the lead-out sheet and / or the tab, so that at least part of the lead-out sheet and / or the tab is insulated from the cover plate and the cap, and the inner wall surface of the receiving space is adapted to abut against the lead-out sheet or the tab.

[0006] In an implementation manner, the insulating structure further includes an abutting member, the abutting member is connected to the main body member, at least part of the abutting member is received in the receiving space, and the abutting member is adapted to abut against the lead-out sheet or the tab.

[0007] In an implementation manner, the main body member further includes a connecting portion, the connecting portion is connected to the main body portion, a first opening is formed at one end of the main body portion close to the connecting portion, the first opening communicates with the receiving space, one end of the abutting member is connected to the connecting portion, and the other end is adapted to extend into the receiving space from the first opening.

[0008] In an implementation manner, a second opening is formed at one end of the connecting portion close to the main body portion, the second opening communicates with the first opening, and the second opening penetrates through the connecting portion in the height direction of the main body member.

[0009] In an implementation manner, the main body member includes a first end face in the length direction of the insulating structure, a third opening is formed in the first end face, the third opening communicates with the receiving space, and at least part of the lead-out sheet is adapted to extend out through the third opening.

[0010] In one embodiment, the abutting member includes an extending portion and an abutting portion. The extending portion is connected to the abutting portion. One end of the extending portion away from the abutting portion is connected to the connecting portion. At least part of the abutting portion is received in the receiving space and is adapted to abut against the lead-out piece or the tab.

[0011] In one embodiment, the abutting member further includes a clamping portion. The clamping portion is connected to one end of the abutting portion close to the extending portion. The clamping portion is clamped with the main body portion.

[0012] In one embodiment, a clamping groove is formed on the surface of the main body portion facing the abutting member. A convex structure is provided on the inner wall surface of the clamping groove. The convex structure is clamped with the clamping portion.

[0013] In one embodiment, there are a plurality of the convex structures. The plurality of convex structures are spaced along the height direction of the insulating structure. The clamping portion is clamped with one of the convex structures.

[0014] In a second aspect, the present utility model further provides a cover plate assembly, including a cover plate, an insulating member, a lead-out piece, a cap, and the insulating structure in each of the embodiments of the first aspect. The cover plate is provided with a first through hole. The insulating member is provided with a second through hole. The insulating member is connected to one side surface of the cover plate. The first through hole and the second through hole are communicated. The lead-out piece passes through the first through hole and the second through hole and protrudes from the surface of the cover plate facing away from the insulating member. At least part of the lead-out piece is received in the receiving space. The inner wall surface of the receiving space abuts against the lead-out piece or the tab. The cap is covered on the insulating structure and is fixedly connected to the cover plate.

[0015] In one embodiment, the cover plate assembly further includes a pole column. The pole column passes through the cover plate and the insulating member. The lead-out piece includes a first conductive portion and a second conductive portion. The second conductive portion is connected to one end of the first conductive portion in the length direction of the lead-out piece. The first conductive portion passes through the first through hole and the second through hole and protrudes from the surface of the cover plate facing away from the insulating member. The first conductive portion is received in the receiving space and abuts against the inner wall surface of the receiving space. The second conductive portion is connected to the pole column. The first conductive portion is adapted to be connected to the tab.

[0016] In one embodiment, both end faces of the main body member opposite to each other in the length direction of the cover plate assembly abut against the inner wall surface of the first through hole.

[0017] In one embodiment, both end faces of the main body member opposite to each other in the width direction of the cover plate assembly abut against the inner peripheral wall of the first through hole.

[0018] In one embodiment, the first conductive part includes a top surface that protrudes from the surface of the cover plate facing away from the insulating part, and the top surface abuts against the insulating structure; the cap has a receiving groove, the cap is fixedly connected to the cover plate, at least a part of the insulating structure is received in the receiving groove, and the end surface of the insulating structure away from the cover plate abuts against the cap.

[0019] In a third aspect, the present invention further provides a battery, including a tab and the cover plate assembly in the various embodiments of the second aspect. The tab is connected to the lead-out piece, and the insulating structure abuts against the lead-out piece or the tab.

[0020] In a fourth aspect, the present invention further provides an electrical device, including an electrical device and the battery in the various embodiments of the third aspect. The battery is adapted to supply power to the electrical device.

[0021] By providing an insulating structure, the insulating structure includes a main body member, the main body member includes a main body part, the main body part has a receiving space, the receiving space is adapted to receive the lead-out piece and / or the tab, so that at least a part of the lead-out piece and / or the tab is insulated from the cover plate and the cap, and the inner wall surface of the receiving space is adapted to abut against the lead-out piece or the tab, so that the lead-out piece and the tab can achieve insulation from the cover plate and the cap only by the main body member, reducing the manufacturing process of the parts. Description of the Drawings

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 is a side cross-sectional view of an insulating structure of an embodiment;

[0024] Figure 2 is a structural diagram of an insulating structure of an embodiment;

[0025] Figure 3 is a structural diagram of a cover plate assembly of an embodiment;

[0026] Figure 4 is a structural diagram of a positive electrode of a battery of an embodiment;

[0027] Figure 5 is a structural diagram of a negative electrode of a battery of an embodiment;

[0028] Figure 6 is a structural diagram of a battery of an embodiment.

[0029] Description of reference numerals:

[0030] 10000-battery;

[0031] 1000-cover plate assembly;

[0032] 100-insulation structure;

[0033] 10-main body, 11-accommodating space, 12-main body, 121-first opening, 122-first plate, 123-second plate, 124-third plate, 13-connecting portion, 131-second opening, 14-first end surface, 141-third opening, 15-second end surface, 16-clamping groove, 161-first groove, 162-second groove, 17-protruding structure;

[0034] 20-abutting member, 21-extending portion, 22-abutting portion, 23-clamping portion, 231-hook structure;

[0035] 200-cover plate, 201-first through hole, 202-first liquid injection port;

[0036] 300 - insulating member, 301 - second through hole;

[0037] 400-lead-out piece, 401-first surface, 402-second surface, 403-third pole hole, 404-first conductive portion, 405-second conductive portion, 406-third end surface, 407-guide surface, 408-top surface;

[0038] 500-pole;

[0039] 600-explosion-proof valve;

[0040] 700-blocked shots;

[0041] 2000-ear;

[0042] 3000-housing, 3001-accommodating chamber;

[0043] 4000-Pole Core. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time.

[0046] Unless otherwise defined, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the present utility model in the specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used in the present utility model includes any and all combinations of one or more of the related listed items.

[0047] The following will describe in detail some embodiments of the present utility model with reference to the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0048] Please refer to Figure 1 , the present utility model provides an insulating structure 100, including a main body member 10, including a main body portion 12, the main body portion having a receiving space 11, the receiving space 11 being adapted to receive the lead-out piece 400 and / or the tab 2000, so that at least a part of the lead-out piece 400 and / or the tab 2000 is insulated from the cover plate 200 and the cap 700, and the inner wall surface of the receiving space 11 is adapted to abut against the lead-out piece 400 or the tab 2000.

[0049] Optionally, the main body portion 12 includes a first plate 122, a second plate 123 and a third plate 124. The first plate 122 and the second plate 123 are relatively spaced apart and connected to the third plate 124 at both ends of the main body member 10 in the width direction, and enclose to form the receiving space 11. Optionally, the first plate 122, the second plate 123 and the third plate 124 can be an integral structure, or can be detachably connected by means such as snap connection, screw connection, bonding and riveting, without limitation. Optionally, the insulating structure 100 can be made of a material that meets the requirements of structural strength, good insulation and easy processing and molding, specifically can be plastics, rubber, nylon, ceramics, etc., without limitation.

[0050] Optionally, after the tab 2000 is connected to the lead-out piece 400, the insulation structure 100 provided by the present utility model covers the tab 2000 and the lead-out piece 400, and then the cap 700 covers the insulation structure 100 and is fixedly connected to the cover plate 200. Optionally, the lead-out piece 400 includes a first surface 401 and a second surface 402 that are opposite to each other in the width direction of the insulation structure 100, and a top surface 408 in the height direction of the insulation structure 100. The first surface 401 abuts against the first plate 122, the second surface 402 abuts against the second plate 123, and the top surface 408 abuts against the third plate 124. Optionally, the lead-out piece 400 is used to connect to the tab 2000. The tab 2000 is connected to the first surface 401, or the tab 2000 is connected to the second surface 402, or the tab 2000 is connected to both the first surface 401 and the second surface 402, without limitation.

[0051] By providing the insulation structure 100, the insulation structure 100 includes a main body member 10. The main body member 10 includes a main body portion 12. The main body portion has a receiving space 11. The receiving space 11 is adapted to receive the lead-out piece 400 and / or the tab 2000, so that at least part of the lead-out piece 400 and / or the tab 2000 is insulated from the cover plate 200 and the cap 700. The inner wall surface of the receiving space 11 is adapted to abut against the lead-out piece 400 or the tab 2000. Compared with the solution of forming a protruding structure on the insulating member 300 and covering an insulating layer in the cap 700, this solution only needs to use the main body member 10 to insulate the lead-out piece 400 and the tab 2000, so that the lead-out piece 400 and the tab 2000 can be insulated from the cover plate 200 and the cap 700 only by the main body member 10, reducing the manufacturing process of the parts.

[0052] Please refer to Figure 1 , the insulation structure 100 further includes an abutting member 20. The abutting member 20 is connected to the main body member 10. At least part of the abutting member 20 is received in the receiving space 11. The abutting member 20 is adapted to abut against the lead-out piece 400 or the tab 2000.

[0053] Optionally, the abutting member 20 can be elastically deformed to swing relative to the main body member 10, so that after the tab 2000 and the lead-out piece 400 enter the receiving space 11, the abutting member 20 extends into the receiving space 11 to abut against the tab 2000 or the lead-out piece 400. Optionally, the main body member 10 and the abutting member 20 can be an integral structure, or can be detachably connected by means of snap connection, screw connection, bonding, riveting, etc., without limitation.

[0054] Exemplarily, the tab 2000 is connected to the first surface 401 of the lead-out piece 400, the main body 10 abuts against the second surface 402 of the lead-out piece 400, and the abutting member 20 abuts against the tab 2000. Optionally, an operator or an automated production line covers the insulating structure 100 during the process. The insulating structure 100 can move along the height direction of the lead-out piece 400, or can move obliquely to the height direction of the lead-out piece 400, and swing to closely adhere to the main body 10 and the second surface 402 when moving to a preset position, without limitation. Optionally, the tab 2000 can also be connected to the second surface 402 of the lead-out piece 400 and abut against the main body 10, and the abutting member 20 abuts against the first surface 401.

[0055] By providing that the insulating structure 100 further includes an abutting member 20, the abutting member 20 is connected to the main body 10, at least a part of the abutting member 20 is received in the receiving space 11, and the abutting member 20 is adapted to abut against the lead-out piece 400 or the tab 2000, so that after the insulating structure 100 covers the lead-out piece 400 and the tab 2000, the abutting member 20 can cooperate with the main body 10 and the lead-out piece 400 to clamp the tab 2000 and prevent the tab 2000 from detaching from the lead-out piece 400.

[0056] Please refer to Figure 1 and Figure 2 , the main body 10 further includes a connecting portion 13, the connecting portion 13 is connected to the main body portion 12, a first opening 121 is formed at one end of the main body portion 12 close to the connecting portion 13, the first opening 121 communicates with the receiving space 11, one end of the abutting member 20 is connected to the connecting portion 13, and the other end is adapted to extend into the receiving space 11 from the first opening 121.

[0057] Optionally, the first opening 121 is provided on the aforementioned first plate 122, the connecting portion 13 is connected to the surface of the first plate 122 facing away from the second plate 123, and is located at one end of the first plate 122 away from the third plate 124. Optionally, the connecting portion 13 and the main body portion 12 can be an integral structure, or can be detachably connected by means such as snap connection, screw connection, bonding and riveting, without limitation.

[0058] By providing that the main body 10 further includes a connecting portion 13, the connecting portion 13 is connected to the main body portion 12, a first opening 121 is formed at one end of the main body portion 12 close to the connecting portion 13, the first opening 121 communicates with the receiving space 11, one end of the abutting member 20 is connected to the connecting portion 13, and the other end is adapted to extend into the receiving space 11 from the first opening 121, so that the abutting member 20 can extend into the receiving space 11 from the first opening 121 to abut against the tab 2000.

[0059] Please refer to Figure 1, one end of the connecting part 13 close to the main body part 12 is provided with a second opening 131. The second opening 131 is communicated with the first opening 121, and the second opening 131 penetrates through the connecting part 13 in the height direction of the main body part 10.

[0060] By providing that one end of the connecting part 13 close to the main body part 12 is provided with a second opening 131, the second opening 131 is communicated with the first opening 121, and the second opening 131 penetrates through the connecting part 13 in the height direction of the main body part 10, when the insulating structure 100 is covered on the lead-out piece 400 and the tab 2000, the main body part 10 is not likely to scrape the tab 2000, preventing the tab 2000 from detaching from the lead-out piece 400 and facilitating the installation of the insulating structure 100.

[0061] Please refer to Figure 2 , the main body part 10 includes a first end face 14 in the length direction of the insulating structure 100. The first end face 14 is provided with a third opening 141. The third opening 141 is communicated with the receiving space 11, and the third opening 141 is adapted for at least part of the lead-out piece 400 to extend out. Optionally, the part of the lead-out piece 400 extending out of the receiving space 11 is used to connect with the insulating part 300 of the cover plate assembly 1000.

[0062] By providing that the main body part 10 includes a first end face 14 in the length direction of the insulating structure 100, the first end face 14 is provided with a third opening 141, the third opening 141 is communicated with the receiving space 11, and the third opening 141 is adapted for at least part of the lead-out piece 400 to extend out, so that the part of the lead-out piece 400 extending out of the receiving space 11 can be connected with the insulating part 300 of the cover plate assembly 1000 and provides a connection basis between the insulating structure 100 and the cover plate 200 of the cover plate assembly 1000.

[0063] Please refer to Figure 1 and Figure 2 , the abutting part 20 includes an extending part 21 and an abutting part 22. The extending part 21 is connected with the abutting part 22. One end of the extending part 21 far from the abutting part 22 is connected with the connecting part 13. At least part of the abutting part 22 is received in the receiving space 11 and is adapted to abut against the lead-out piece 400 or the tab 2000.

[0064] Optionally, the extending part 21 and the abutting part 22 can be an integral structure, or can be detachably connected by means such as clamping, screwing, riveting and bonding, without limitation. The extending part 21 is adapted to elastically deform to swing relative to the main body part 10, so that the abutting part 22 can extend into the receiving space 11 and abut against the tab 2000 or the lead-out piece 400.

[0065] Optionally, one end of the abutting portion 22 away from the extending portion 21 is received in the receiving space 11 and is adapted to abut against the tab 2000 or the lead-out piece 400. Optionally, the surface of the abutting portion 22 for abutting against the tab 2000 can be a flat surface, an arc surface, a serrated surface, etc., without limitation.

[0066] By providing that the abutting member 20 includes an extending portion 21 and an abutting portion 22, the extending portion 21 is connected to the abutting portion 22, one end of the extending portion 21 away from the abutting portion 22 is connected to the connecting portion 13, and at least a part of the abutting portion 22 is received in the receiving space 11 and is adapted to abut against the lead-out piece 400 or the tab 2000, so that the extending portion can be elastically deformed and drive the abutting portion to extend into the receiving space to abut against the tab 2000 or the lead-out piece 400, and the elastic deformation of the extending portion will not affect the structure of the abutting portion.

[0067] Please refer to Figure 1 and Figure 2 , the abutting member 20 further includes a clamping portion 23, the clamping portion 23 is connected to one end of the abutting portion 22 close to the extending portion 21, and the clamping portion 23 is clamped with the main body portion 12.

[0068] Optionally, the clamping portion 23 and the abutting portion 22 can be an integral structure, or can be detachably connected by means of clamping, screwing, riveting, bonding, etc., without limitation. Optionally, the clamping portion 23 can be elastically deformed to adapt to different depths of the abutting portion 22 extending into the receiving space 11.

[0069] By providing the clamping portion 23, the clamping portion 23 is connected to one end of the abutting portion 22 close to the extending portion 21, and the clamping portion 23 is clamped with the main body portion 12, so that when the abutting portion 22 extends into the receiving space 11 to abut against the tab 2000 or the lead-out piece 400, the abutting portion 22 and the main body member 10 can remain relatively fixed, so that the abutting portion 22 provides a stable limiting function for the tab 2000 or the lead-out piece 400 and prevents the tab 2000 from detaching from the lead-out piece 400.

[0070] Please refer to Figure 1 , a clamping groove 16 is formed on the surface of the main body portion 12 facing the abutting member 20, and a convex structure 17 is arranged on the inner wall surface of the clamping groove 16, and the convex structure 17 is clamped with the clamping portion 23.

[0071] Optionally, a hook structure 231 is arranged at the end of the clamping portion 23 away from the abutting portion 22, and the hook structure 231 is used for clamping with the convex structure 17. Optionally, the clamping groove 16 includes a first groove 161 and a second groove 162, the first groove 161 is communicated with the second groove 162, and a plurality of convex structures 17 are arranged at intervals on the inner wall surface of the second groove 162 away from the receiving space 11, and the first groove 161 is used for the clamping portion 23 to pass through and extend into the second groove 162.

[0072] By providing that the surface of the main body portion 12 facing the abutting member 20 is provided with a clamping groove 16, and the inner wall surface of the clamping groove 16 is provided with a protruding structure 17, and the protruding structure 17 is clamped with the clamping portion 23, so that the clamping portion 23 can be clamped and fixed to the main body portion 12 through the hook structure 231 and the protruding structure 17, and the clamping portion 23 and the main body portion 12 are not easily separated, so that the abutting portion 22 provides a stable limiting effect on the ear 2000 or the lead-out piece 400, preventing the ear 2000 from detaching from the lead-out piece 400.

[0073] Please refer to Figure 1 , there are a plurality of protruding structures 17, and the plurality of protruding structures 17 are arranged at intervals along the height direction of the insulating structure 100, and the clamping portion 23 is clamped with one of the protruding structures 17.

[0074] By providing that there are a plurality of protruding structures 17, and the plurality of protruding structures 17 are arranged at intervals along the height direction of the insulating structure 100, and the clamping portion 23 is clamped with one of the protruding structures 17, when the abutting portion 22 extends into the accommodation space 11 at different depths, the clamping portion 23 can be clamped with the corresponding protruding structure 17, so that the abutting portion 22 provides a stable limiting effect on the ear 2000 or the lead-out piece 400, preventing the ear 2000 from detaching from the lead-out piece 400.

[0075] Please refer to Figures 2 - 5 , the present utility model further provides a cover plate assembly 1000, including a cover plate 200, an insulating member 300, a lead-out piece 400, a cap 700 and the insulating structure 100 in the embodiment of the present utility model. The cover plate 200 is provided with a first through hole 201, the insulating member 300 is provided with a second through hole 301, the insulating member 300 is connected to one side surface of the cover plate 200, the first through hole 201 and the second through hole 301 are communicated, the lead-out piece 400 passes through the first through hole 201 and the second through hole 301 and protrudes from the surface of the cover plate 200 facing away from the insulating member 300, at least a part of the lead-out piece 400 is accommodated in the accommodation space 11, the inner wall surface of the accommodation space 11 abuts against the lead-out piece 400 or the ear 2000, and the cap 700 is covered on the insulating structure 100 and is fixedly connected to the cover plate 200.

[0076] Optionally, the insulating member 300 and the cover plate 200 can be connected and fixed by means such as snap connection, bonding, screwing, and riveting, without limitation. Optionally, the lead-out piece 400 and the insulating member 300 can be connected and fixed by means such as snap connection, bonding, screwing, and riveting, without limitation. Optionally, the cover plate 200 can be made of a material that meets the requirements of structural strength and is easy to process and form, specifically, it can be made of materials such as aluminum alloy, carbon fiber, and copper alloy, without limitation. Optionally, the insulating member 300 can be made of a material that meets the requirements of structural strength, good insulation, and stable chemical properties, specifically, it can be made of materials such as rubber, plastic, and silica gel, without limitation. Optionally, the lead-out piece 400 can be made of a material that meets the requirements of structural strength, good electrical conductivity, and is easy to process and form, specifically, it can be made of materials such as stainless steel, nickel, aluminum-nickel alloy, and iron-nickel alloy, without limitation.

[0077] Optionally, the cap 700 is connected to the cover plate 200 to close the first through hole 201. Optionally, the cap 700 and the cover plate 200 can be connected and fixed by means such as welding, snap connection, screwing, riveting, and bonding, without limitation. Optionally, the cap 700 can be made of a material that meets the requirements of structural strength and is easy to process and form, specifically, it can be made of materials such as aluminum alloy, carbon fiber, and copper alloy, without limitation.

[0078] Optionally, please refer to Figure 4 , the cover plate assembly 1000 is arranged at one end of the positive electrode of the battery 10000. The cover plate 200 is provided with a first liquid injection port 202. The insulating member 300 is provided with a second liquid injection port (not shown). The first liquid injection port 202 and the second liquid injection port are arranged opposite to each other. The second liquid injection port communicates with the inside of the housing 3000 of the battery 10000. The first liquid injection port 202 and the second liquid injection port are used to inject electrolyte (not shown) into the inside of the housing 3000. Optionally, please refer to Figure 5 , the cover plate assembly 1000 located at the negative electrode of the battery 10000 is further provided with an explosion-proof valve 600. The explosion-proof valve 600 is used for exhausting gas and discharging electrolyte when the pressure inside the battery 10000 is too high.

[0079] The cover assembly 1000 provided by the present utility model, by adopting a cover plate 200, an insulating member 300, a lead-out piece 400, a cap 700 and the insulating structure 100 in the embodiment of the present utility model, the cover plate 200 is provided with a first through hole 201, the insulating member 300 is provided with a second through hole 301, the insulating member 300 is connected to one side surface of the cover plate 200, the first through hole 201 and the second through hole 301 are communicated, the lead-out piece 400 passes through the first through hole 201 and the second through hole 301 and protrudes from the surface of the cover plate 200 facing away from the insulating member 300, at least a part of the lead-out piece 400 is received in the receiving space 11, and the inner wall surface of the receiving space 11 abuts against the lead-out piece 400 or the ear 2000, the cap 700 is covered on the insulating structure 100 and is fixedly connected to the cover plate 200, realizing the closure of the housing 3000 of the battery 10000, and the electrode core 4000 of the battery 10000 can be charged and discharged through the lead-out piece 400 and the pole column 500, and at the same time, the insulating structure 100 realizes the insulation between the lead-out piece 400 and the ear 2000 and the cover plate 200 and the cap 700.

[0080] Please refer to Figure 2 , the cover assembly 1000 further includes a pole column 500, the pole column 500 passes through the cover plate 200 and the insulating member 300, the lead-out piece 400 includes a first conductive part 404 and a second conductive part 405, the second conductive part 405 is connected to one end of the first conductive part 404 in the length direction of the lead-out piece 400, the first conductive part 404 passes through the first through hole 201 and the second through hole 301 and protrudes from the surface of the cover plate 200 facing away from the insulating member 300, the first conductive part 404 is received in the receiving space 11 and abuts against the inner wall surface of the receiving space 11, the second conductive part 405 is connected to the pole column 500, and the first conductive part 404 is adapted to be connected to the ear 2000.

[0081] Optionally, the cover plate 200 is provided with a first pole column hole (not shown), the insulating member 300 is provided with a second pole column hole (not shown), the second conductive part 405 is provided with a third pole column hole 403, and the pole column 500 sequentially passes through the first pole column hole and the second pole column hole and extends into the third pole column hole 403 to be electrically connected to the lead-out piece 400.

[0082] Optionally, the first conductive part 404 and the second conductive part 405 can be an integral structure, or can be detachably connected by means such as clamping, screwing and riveting, without limitation.

[0083] By providing that the cover plate assembly 1000 further includes a terminal post 500 which penetrates through the cover plate 200 and the insulating member 300, the lead-out piece 400 includes a first conductive portion 404 and a second conductive portion 405. The second conductive portion 405 is connected to one end of the first conductive portion 404 in the length direction of the lead-out piece 400. The first conductive portion 404 penetrates through the first through hole 201 and the second through hole 301 and protrudes from the surface of the cover plate 200 facing away from the insulating member 300. The first conductive portion 404 is received in the receiving space 11 and abuts against the inner wall surface of the receiving space 11. The second conductive portion 405 is connected to the terminal post 500. The first conductive portion 404 is adapted to be connected to the tab 2000, so that while the lead-out piece 400 and the insulating member 300 can be stably connected, the insulating structure 100 only needs to cover the first conductive portion 404 of the lead-out piece 400, facilitating the installation of the insulating structure 100.

[0084] Please refer to Figure 2 and Figure 3 , both end faces of the main body member 10 facing away from each other in the length direction of the cover plate assembly 1000 are in contact with the inner wall surface of the first through hole 201. Optionally, the main body member 10 includes a first end face 14 and a second end face 15, and both the first end face 14 and the second end face 15 are in contact with the inner peripheral wall of the first through hole 201.

[0085] Optionally, the second conductive portion 405 includes a third end face 406 and a guiding face 407. The third end face 406 is connected to the guiding face 407. The third end face 406 is used to abut against the position corresponding to the connecting portion 13 of the first end face 14, and the guiding face 407 is used to provide a guiding effect for the insulating structure 100, so that the insulating structure 100 is correctly connected to the lead-out piece 400, facilitating the positioning and installation of the insulating structure 100.

[0086] By providing that both end faces of the main body member 10 facing away from each other in the length direction of the cover plate assembly 1000 are in contact with the inner wall surface of the first through hole 201, the insulating structure 100, the lead-out piece 400 and the cover plate 200 are relatively fixed in the length direction of the cover plate assembly 1000, improving the structural stability of the cover plate assembly 1000 and making it not easily damaged during transportation and use.

[0087] Please refer to Figure 3 , both end faces of the main body member 10 facing away from each other in the width direction of the cover plate assembly 1000 are in contact with the inner peripheral wall of the first through hole 201.

[0088] By providing that both end faces of the main body member 10 facing away from each other in the width direction of the cover plate assembly 1000 are in contact with the inner peripheral wall of the first through hole 201, the insulating structure 100, the lead-out piece 400 and the cover plate 200 are relatively fixed in the width direction of the cover plate assembly 1000, improving the structural stability of the cover plate assembly 1000 and making it not easily damaged during transportation and use.

[0089] Please refer to Figure 1 and Figure 4 , the first conductive part 404 includes a top surface 408 which protrudes from the surface of the cover plate 200 facing away from the insulating part 300. The top surface 408 abuts against the insulating structure 100. The cap 700 has a receiving groove (not shown). The cap 700 is fixedly connected to the cover plate 200. At least a part of the insulating structure 100 is received in the receiving groove, and the end surface of the insulating structure 100 away from the cover plate 200 abuts against the cap 700.

[0090] By providing that the first conductive part 404 includes a top surface 408 which protrudes from the surface of the cover plate 200 facing away from the insulating part 300, the top surface 408 abuts against the insulating structure 100, the cap 700 has a receiving groove (not shown), the cap 700 is fixedly connected to the cover plate 200, at least a part of the insulating structure 100 is received in the receiving groove, and the end surface of the insulating structure 100 away from the cover plate 200 abuts against the cap 700, the part of the insulating structure 100 protruding from the cover plate 200 can be isolated from the outside, and it is not easy to be damaged during transportation and use. At the same time, the relative fixation of the insulating structure 100 with respect to the cover plate 200 and the insulating part 300 in the height direction of the cover plate assembly 1000 is realized, and the structural stability of the cover plate assembly 1000 is improved.

[0091] Please refer to Figures 4 - 6 , the present utility model further provides a battery 10000, which includes a tab 2000 and the cover plate assembly 1000 in the embodiment of the present utility model. The tab 2000 is connected to the lead-out piece 400, and the insulating structure 100 abuts against the lead-out piece 400 or the tab 2000. Optionally, the battery 10000 can be a power battery, a household energy storage battery, a commercial energy storage battery, an industrial energy storage battery, etc., without limitation.

[0092] Optionally, the battery 10000 further includes a housing 3000 and a cell core 4000. The housing 3000 has a receiving cavity 3001. The cell core 4000 is received in the receiving cavity 3001 and is connected to the tab 2000. The cover plate 200 of the cover plate assembly 1000 is connected to the housing 3000 and closes the receiving cavity 3001. One end of the tab 2000 away from the cell core 4000 is connected to the lead-out piece 400 and abuts against the insulating structure 100.

[0093] Optionally, an electrolyte (not shown) is filled in the receiving cavity 3001, and the cell core 4000 is immersed in the electrolyte so that the cell core 4000 can be charged and discharged through the electrolyte. Optionally, the cover plate 200 of the cover plate assembly 1000 in the embodiment of the present utility model is connected to the housing 3000. Optionally, the cover plate 200 and the housing 3000 can be connected and fixed by means of welding, clamping, bonding, riveting, screwing, etc., without limitation.

[0094] Optionally, there may be multiple anode cores 4000, which may be connected in series or in parallel without limitation. Optionally, there may be multiple tab ears 2000, which may be connected in series or in parallel without limitation. Optionally, the housing 3000 may be made of materials that meet the requirements of structural strength and are easy to process and form, specifically, such as aluminum alloy, carbon fiber, and copper alloy, without limitation.

[0095] The battery 10000 provided by the present utility model, by adopting the tab ear 2000 and the cover plate assembly 1000 in the embodiments of the present utility model, with the tab ear 2000 connected to the lead-out piece 400 and the insulating structure 100 abutted against the lead-out piece 400 or the tab ear 2000, realizes the storage and output of electric energy, and at the same time fastens and insulates the tab ear 2000 and the lead-out piece 400, preventing the tab ear 2000 and the lead-out piece 400 from separating during the transportation and use of the battery 10000, and improving the safety of the battery 10000.

[0096] The present utility model also provides an electrical device (not shown), including an electrical device (not shown) and the battery 10000 in the embodiments of the present utility model, and the battery 10000 is suitable for supplying power to the electrical device. Optionally, the electrical device may be a vehicle, a household appliance, a commercial appliance, an industrial appliance, etc., without limitation. Optionally, the electrical device may be a motor, a controller, a sensor, etc., without limitation. The battery 10000 in the embodiments of the present utility model realizes the storage of electric energy and the supply of power to the electrical device through the conversion between chemical energy and electric energy.

[0097] The electrical device provided by the present utility model, by adopting the electrical device and the battery 10000 in the embodiments of the present utility model, with the battery 10000 suitable for supplying power to the electrical device, realizes the storage and output of electric energy, and at the same time fastens and insulates the tab ear 2000 and the lead-out piece 400, preventing the tab ear 2000 and the lead-out piece 400 from separating during the transportation and use of the battery 10000, and improving the safety of the battery 10000.

[0098] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 to the present utility model.

[0099] The above-disclosed is only a preferred embodiment of the present utility model. Of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the present utility model.

Claims

1. An insulation structure, characterized in that: include: The main body comprises a main body portion having a receiving space, wherein the receiving space is suitable for receiving lead-out plates and / or pole ears so that at least part of the lead-out plates and / or pole ears are insulated from the cover plate and the cap, and the inner wall surface of the receiving space is suitable for abutting against the lead-out plates or the pole ears.

2. The insulation structure according to claim 1, characterized in that: The insulating structure further includes a contact piece, which is connected to the main body. At least a portion of the contact piece is accommodated in the accommodation space. The contact piece is suitable for abutting against the lead-out piece or the tab.

3. The insulation structure according to claim 2, characterized in that: The main body also includes a connecting portion, which is connected to the main body. A first opening is provided at one end of the main body close to the connecting portion, and the first opening is connected to the receiving space. One end of the abutment member is connected to the connecting portion, and the other end is suitable for extending into the receiving space from the first opening.

4. The insulation structure according to claim 3, characterized in that: A second opening is formed at one end of the connecting portion close to the main body, the second opening is communicated with the first opening, and the second opening penetrates the connecting portion in the height direction of the main body.

5. The insulation structure according to claim 3, characterized in that: The main body comprises a first end surface in the length direction of the insulating structure, the first end surface is provided with a third opening, the third opening is communicated with the receiving space, and the third opening is suitable for at least a portion of the lead-out piece to extend out.

6. The insulation structure according to claim 3, characterized in that: The abutment member includes an extension portion and an abutment portion, the extension portion is connected to the abutment portion, one end of the extension portion away from the abutment portion is connected to the connecting portion, and at least a portion of the abutment portion is accommodated in the accommodation space and is suitable for abutting against the lead-out piece or the pole ear.

7. The insulation structure according to claim 6, characterized in that: The abutting member further includes a clamping portion, the clamping portion is connected to one end of the abutting portion close to the extending portion, and the clamping portion is clamped with the main body.

8. The insulation structure according to claim 7, characterized in that: A clamping groove is formed on the surface of the main body facing the abutting member, and a protruding structure is formed on the inner wall surface of the clamping groove, and the protruding structure is clamped with the clamping part.

9. The insulation structure according to claim 8, characterized in that: There are a plurality of protruding structures, and the plurality of protruding structures are arranged at intervals along the height direction of the insulating structure, and the clamping portion is clamped with one of the protruding structures.

10. A cover plate assembly, characterized in that: It includes a cover plate, an insulating member, a lead-out piece, a cap and an insulating structure as described in any one of claims 1 to 9, the cover plate is provided with a first through hole, the insulating member is provided with a second through hole, the insulating member is connected to a side surface of the cover plate, the first through hole and the second through hole are communicated, the lead-out piece is passed through the first through hole and the second through hole, and protrudes from the surface of the cover plate facing away from the insulating member, at least part of the lead-out piece is accommodated in the accommodation space, the inner wall surface of the accommodation space abuts against the lead-out piece or the pole ear, and the cap is covered on the insulating structure and is connected and fixed to the cover plate.

11. The cover plate assembly according to claim 10, characterized in that: The cover plate assembly further comprises a pole, and the pole passes through the cover plate and the insulating member; The lead-out piece includes a first conductive part and a second conductive part, the second conductive part is connected to one end of the first conductive part in the length direction of the lead-out piece, the first conductive part passes through the first through hole and the second through hole, and protrudes from the surface of the cover plate facing away from the insulating member, the first conductive part is accommodated in the accommodation space and abuts against the inner wall surface of the accommodation space, the second conductive part is connected to the pole, and the first conductive part is suitable for connecting to the pole ear.

12. The cover plate assembly according to claim 11, characterized in that: Two end surfaces of the main body member that are opposite to each other in the length direction of the cover plate assembly are both in contact with the inner wall surface of the first through hole.

13. The cover plate assembly according to claim 11, characterized in that: Two end surfaces of the main body member that are opposite to each other in the width direction of the cover plate assembly are both in contact with the inner peripheral wall of the first through hole.

14. The cover plate assembly according to claim 11, characterized in that: The first conductive portion includes a top surface, the top surface protrudes from a surface of the cover plate facing away from the insulating member, and the top surface abuts against the insulating structure; The cover cap has a receiving groove, the cover cap is connected and fixed to the cover plate, at least a part of the insulating structure is received in the receiving groove, and the end surface of the insulating structure away from the cover plate abuts against the cover cap.

15. A battery, characterized in that: It comprises a pole ear and a cover plate assembly as described in any one of claims 10 to 14, wherein the pole ear is connected to the lead-out plate, and the insulating structure abuts against the lead-out plate or the pole ear.

16. An electrical equipment, characterized in that: The invention comprises an electric device and the battery as claimed in claim 15, wherein the battery is suitable for supplying power to the electric device.

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