CN114284607A - Top cap subassembly, battery and energy memory - Google Patents

Top cap subassembly, battery and energy memory Download PDF

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Publication number
CN114284607A
CN114284607A CN202111551094.8A CN202111551094A CN114284607A CN 114284607 A CN114284607 A CN 114284607A CN 202111551094 A CN202111551094 A CN 202111551094A CN 114284607 A CN114284607 A CN 114284607A
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CN
China
Prior art keywords
hole
plastic
ring
assembly
positioning
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Withdrawn
Application number
CN202111551094.8A
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Chinese (zh)
Inventor
杨强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Haichen New Energy Technology Co Ltd
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Xiamen Haichen New Energy Technology Co Ltd
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Filing date
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Application filed by Xiamen Haichen New Energy Technology Co Ltd filed Critical Xiamen Haichen New Energy Technology Co Ltd
Priority to CN202111551094.8A priority Critical patent/CN114284607A/en
Publication of CN114284607A publication Critical patent/CN114284607A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses a top cover assembly, a battery and an energy storage device. The top cover assembly comprises a cover plate, and the cover plate is provided with a first through hole; the plastic part is stacked below the cover plate and provided with a second through hole; at least part of the plastic ring is accommodated in the second through hole, a third through hole is formed in the middle of the plastic ring and correspondingly communicated with the first through hole, and a clamping ring is axially and convexly arranged on the circumferential side surface of the plastic ring along the direction far away from the third through hole; the pole column partially penetrates through the first through hole and the third through hole, the pole column is connected with the plastic ring, and the plastic part is clamped on the bottom surface of the cover plate by the clamping ring. According to the top cover assembly provided by the embodiment of the invention, the plastic ring and the snap ring are arranged, the precision control of the third through hole of the plastic ring is easy to control the precision of the second through hole of the plastic part, the processing difficulty can be reduced, certain installation requirements can be met, and the plastic part is fixed on the bottom surface of the cover plate through the snap ring, so that the plastic part can be conveniently dismounted or mounted as required.

Description

Top cap subassembly, battery and energy memory
Technical Field
The invention relates to the technical field of energy storage, in particular to a top cover assembly, a battery and an energy storage device.
Background
In the related art, the battery includes a top cover assembly, the top cover assembly includes a cover plate and a plastic part, the plastic part is provided with a mounting through hole, and the mounting through hole is provided with a pole. However, the precision of the mounting through hole of the plastic part is difficult to control, and the mounting requirement cannot be met.
Disclosure of Invention
The embodiment of the invention provides a top cover assembly, a battery and an energy storage device.
The top cover assembly of the embodiment of the present invention includes: the cover plate is provided with a first through hole;
the plastic part is stacked below the cover plate and provided with a second through hole;
at least part of the plastic ring is accommodated in the second through hole, a third through hole is formed in the middle of the plastic ring and is correspondingly communicated with the first through hole, and a clamping ring is axially and convexly arranged on the circumferential side surface of the plastic ring along the axial direction far away from the third through hole;
the pole column partially penetrates through the first through hole and the third through hole, the pole column is connected with the plastic ring, and the clamping ring clamps the plastic part on the bottom surface of the cover plate.
In some embodiments, the post comprises a positioning post, the plastic ring comprises a positioning hole, and the positioning post penetrates through the positioning hole and is connected with the plastic ring.
In some embodiments, the number of the positioning holes is multiple, the positioning holes are uniformly arranged along the circumferential direction of the plastic ring at intervals, and the positioning columns correspond to the positioning holes one to one.
In some embodiments, the pole comprises a metal piece and a plastic piece, a fourth through hole is formed in the middle of the plastic piece, the metal piece is at least partially accommodated in the fourth through hole, and the positioning column is arranged on the bottom surface of the plastic piece.
In certain embodiments, the cap assembly includes a sealing ring that is clamped between the cover plate and the pole bottom.
In some embodiments, the cover plate defines a fifth through hole, and the top cover assembly includes an explosion-proof assembly mounted at the fifth through hole.
In some embodiments, the explosion-proof assembly includes an explosion-proof valve sheet and an explosion-proof valve protective film covering the explosion-proof valve sheet.
In some embodiments, the plastic part comprises a ventilation part, the ventilation part is provided with a groove, the bottom surface of the groove is provided with ventilation holes, and the ventilation part corresponds to the explosion-proof assembly.
The battery of the embodiment of the invention comprises the top cover assembly of any one of the embodiments.
The energy storage device comprises the battery of the embodiment.
According to the top cover assembly, the battery and the energy storage device, the plastic ring and the snap ring are arranged, the precision control of the third through hole of the plastic ring is easy to control the precision of the second through hole of the plastic part, the processing difficulty can be reduced, certain installation requirements can be met, the plastic part is fixed on the bottom surface of the cover plate through the snap ring, and the plastic part can be conveniently detached or installed according to needs.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a cap assembly according to an embodiment of the present invention;
FIG. 2 is a partially exploded schematic view of a cap assembly according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a cap assembly of an embodiment of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is a schematic view of a plastic part and a positioning post according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a battery according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an energy storage device according to an embodiment of the present invention.
The main characteristic reference numbers:
the explosion-proof structure comprises a top cover assembly 100, a cover plate 10, a first through hole 11, a fifth through hole 12, a plastic part 20, a second through hole 21, a ventilation part 22, a groove 23, a ventilation hole 24, a plastic ring 30, a third through hole 31, a positioning hole 32, a clamping ring 40, a pole 50, a positioning column 51, a metal part 52, a plastic part 53, a fourth through hole 531, a sealing ring 60, an explosion-proof assembly 70, an explosion-proof valve sheet 71, an explosion-proof valve protective film 72, a battery 200, a battery module 500 and an energy storage device 1000.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of illustrating the embodiments of the present invention and are not to be construed as limiting the embodiments of the present invention.
In embodiments of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Embodiments of the invention may repeat reference numerals and/or letters in the various examples for simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 to 4, a cap assembly 100 according to an embodiment of the present invention includes a cap plate 10, a plastic member 20, a plastic ring 30, and a post 50. The cover plate 10 is provided with a first through hole 11. The plastic member 20 is stacked under the cover plate 10, and the plastic member 20 is opened with a second through hole 21. At least part of the plastic ring 30 is accommodated in the second through hole 21, a third through hole 31 is formed in the middle of the plastic ring 30, the third through hole 31 is correspondingly communicated with the first through hole 11, and a clamping ring 40 is axially and convexly arranged on the circumferential side face of the plastic ring 30 along the axial direction far away from the third through hole 31. The pole 50 partially penetrates through the first through hole 11 and the third through hole 31, the pole 50 is connected with the plastic ring 30, and the snap ring 40 clamps the plastic part 20 on the bottom surface of the cover plate 10.
According to the top cover assembly 100 of the embodiment of the invention, the plastic ring 30 and the snap ring 40 are arranged, the precision control of the third through hole 31 of the plastic ring 30 is easy to control the precision of the second through hole 21 of the plastic part 20, the processing difficulty can be reduced, certain installation requirements can be met, the plastic part 20 is fixed on the bottom surface of the cover plate 10 through the snap ring 40, and the plastic part 20 can be conveniently detached or installed as required.
Specifically, plastic part 20 is whole great, and under the general condition, plastic part 20's structure is more complicated than apron 10, consequently, set up on plastic part 20 can be accurate great with utmost point post 50 complex through-hole degree of difficulty, therefore set up the cooperation of plastic ring 30 and third through-hole 31 for plastic part 20 realizes being connected with utmost point post 50 comparatively accurately through the third through-hole 31 of plastic ring 30. In addition, in the top cap assembly 100 according to the embodiment of the present invention, the post 50 may be connected to the cover plate 10 and the plastic ring 30, and then the plastic part 20 is installed between the cover plate 10 and the snap ring 40, so as to install the plastic part 20. Plastic part 20 may produce the defective products in production process, transportation, so set up, can be convenient as required installation or dismantle plastic part 20.
It should be noted that the plastic part 20 should have a certain elastic deformation capability, and during the process of installing the plastic part 20 between the snap ring 40 and the cover plate 10, the plastic part 20 generates an elastic deformation, and after the installation is completed, the plastic part 20 recovers a certain or all of the elastic deformation. To facilitate the plastic member 20 to pass through the snap ring 40, the snap ring 40 may be provided with a guide slope.
The shape of the cover plate 10 is various, and it may be in the shape of a rectangular parallelepiped, a cylinder, or the like. The cover plate 10 may comprise a plain aluminum sheet. The cover plate 10 according to the embodiment of the present invention is illustrated by taking an example of a bright aluminum sheet, and the illustrated example of the bright aluminum sheet is for convenience of understanding the implementation of the present invention, and should not be construed as limiting the present invention.
In some embodiments, the cover plate 10 may be formed with a cut surface, a first through hole 11, a liquid injection hole, and the like on the cover plate 10 by punching, cutting, and the like. The cover plate 10 according to an embodiment of the present invention may be a smooth aluminum plate on which the first through-hole 11 is formed by punching, perforating, cutting, or the like. It should be noted that the first through hole 11 may also be integrally formed with the plain aluminum sheet by a mold, and is not limited herein.
The shape of the first through hole 11 may be various, and may be in the shape of an ellipse, a circle, a rectangle, a square, etc., which is not limited herein. The shape of the first through hole 11 may be fitted to the pole 50. The design of the first through hole 11 in the outer shape of the embodiment of the present invention is exemplified by a circle.
The plastic member 20 is stacked under the cap plate 10, and the shape of the plastic member 20 may match the shape of the cap plate 10. The plastic member 20 may be made of a plastic material. Thus, the plastic member 20 can provide a good insulation effect to prevent the battery 200 from leaking electricity from the top cap assembly 100. The second through hole 21 may be integrally formed with the plastic member 20 by a mold, and the second through hole 21 may also be formed by cutting, punching, or the like on the plastic member 20, which is not limited herein.
The plastic ring 30 may be entirely received in the second through hole 21, and the plastic ring 30 may be partially received in the second through hole 21. The plastic ring 30 should match the second through hole 21. The snap ring 40 is protruded from the circumferential side surface of the plastic ring 30, and the outer ring of the snap ring 40 should be larger than the second through hole 21, so that the snap ring 40 can clamp the plastic part 20 on the bottom surface of the cover plate 10.
It should be noted that the plastic ring 30 may have a circular shape, a square shape, etc., and the third through hole 31 may have a circular shape, a square shape, etc. The shape of the third through hole 31 may be the same as the shape of the plastic ring 30, or may be different from the shape of the plastic ring 30, and the specific shapes of the third through hole 31 and the plastic ring 30 may be adjusted according to the shapes of the pole 50, the second through hole 21, and the like, which is not limited herein.
The plastic ring 30 may be connected to the pole 50 by means of ultra-melt riveting, hot-melt welding, injection molding, etc., and is not limited thereto.
In some embodiments, referring to fig. 2 and 4, the post 50 includes a positioning post 51, the plastic ring 30 includes a positioning hole 32, and the positioning post 51 penetrates through the positioning hole 32 and is connected to the plastic ring 30.
Thus, the positioning post 51 of the post 50 is matched with the positioning hole 32 of the plastic ring 30, so that the connection relationship between the post 50 and the plastic ring 30 is more stable.
Specifically, the positioning post 51 has many shapes, and the positioning post 51 may have a rectangular parallelepiped shape, a cylindrical shape, or the like. The pole 50 may include a positioning post 51, in this case, the positioning post 51 may be located in the middle of the pole 50, and the positioning post 51 may be located at the edge of the pole 50; utmost point post 50 can include a plurality of reference columns 51, and at this moment, a plurality of reference columns 51 can all be located utmost point post 50's centre, and a plurality of reference columns 51 can all be located utmost point post 50's edge, and a plurality of reference columns 51 can evenly distributed in utmost point post 50, and a plurality of utmost point posts 50 can also distribute at random in utmost point post 50, do not do specific restriction here.
The positioning hole 32 is aligned with the positioning post 51, the positioning hole 32 and the positioning post 51 may be in a one-to-one correspondence, and at this time, the shape of the positioning hole 32 may match with the shape of the positioning post 51; one positioning hole 32 may be matched with a plurality of positioning posts 51, at this time, a plurality of positioning posts 51 may be connected, and the shape of the positioning hole 32 may be matched with the plurality of positioning posts 51; a plurality of positioning holes 32 may be matched with a positioning column 51, and at this time, a plurality of positioning holes 32 may be provided in the plastic ring 30 so as to be matched with various poles 50 with different mounting positions of the positioning column 51.
Further, referring to fig. 2 and 6, the number of the positioning holes 32 is multiple, the positioning holes 32 are uniformly spaced along the circumferential direction of the plastic ring 30, and the positioning posts 51 correspond to the positioning holes 32 one by one.
Thus, the positioning posts 51 are matched with the positioning holes 32, so that the relative position relation between the pole 50 and the plastic ring 30 is further ensured, and the probability of the rotation of the pole 50 relative to the plastic ring 30 is reduced.
Specifically, the number of the positioning holes 32 may be 2, 3, 4, 5, 6, 10, and the like, and the number of the positioning holes 32 may be adjusted according to the size of the positioning holes 32, the size of the plastic ring 30, and the like, which is not limited herein. The number of the positioning posts 51 may be 2, 3, 4, 5, 6, 10, etc., and the number of the positioning posts 51 may be adjusted according to the number of the positioning holes 32, the size of the positioning posts 51, the size of the post 50, etc., and is not limited specifically herein.
In some embodiments, referring to fig. 5 and 6, the pole 50 includes a metal piece 52 and a plastic piece 53, a fourth through hole 531 is formed in the middle of the plastic piece 53, the metal piece 52 is at least partially accommodated in the fourth through hole 531, and the positioning column 51 is disposed on the bottom surface of the plastic piece 53.
In this way, since the density of the plastic part 53 is lower than that of the metal part 52, the pole 50 is composed of the metal part 52 and the plastic part 53, and the weight of the pole 50 is effectively reduced.
Specifically, the positioning post 51 is made of many materials, which may be made of metal, plastic, etc. In some embodiments, the positioning post 51 is made of a plastic material, and the positioning post 51 is integrally formed with the plastic member 53 by a mold. So, reference column 51 adopts plastics to make, compares in the weight that adopts metal material to make lower, and reference column 51 and working of plastics 53 integrated into one piece not only make reference column 51 and working of plastics 53 be connected more firm, and manufacturing cost is lower moreover.
The plastic member 53 and the metal member 52 can be connected by various methods, such as welding, bonding, etc. In one embodiment, the produced metal piece 52 is placed in a mold, and the plastic piece 53 is injection molded in the mold to achieve the connection between the metal piece 52 and the plastic piece 53. The metal member 52 may be entirely received in the fourth through hole 531, and the metal member 52 may also be partially received in the fourth through hole 531.
The shape of the fourth through hole 531 is various, and may be rectangular, circular, or the like, and the shape of the fourth through hole 531 may be adjusted according to the shape of the metal piece 52, the convenience of installation, or the like, and is not limited specifically herein.
In some embodiments, referring to fig. 2 and 5, the cap assembly 100 includes a sealing ring 60, and the sealing ring 60 is clamped between the cover plate 10 and the bottom of the pole 50.
In this way, the seal ring 60 can play a role in enhancing the sealing performance of the top cap assembly 100, and can prevent the battery 200 provided with the top cap assembly 100 from leaking electricity or liquid from the top cap assembly 100.
Specifically, the sealing ring 60 may be provided with a through hole to facilitate the pole 50 to pass through the sealing ring 60 to be engaged with the cover plate 10 and the plastic ring 30. The through holes may be formed by digging holes, integral molding, or the like. The sealing ring 60 may be circular or square, and the shape of the sealing ring 60 may match the shapes of the pole 50 and the cover plate 10.
In one embodiment, the post 50 is provided with a receiving recess that mates with the sealing ring 60. Thus, the sealing ring 60 can be more stably matched with the pole 50, and the probability of the movement of the sealing ring 60 relative to the pole 50 is reduced, so as to enhance the sealing effect of the top cover assembly 100. In one embodiment, referring to fig. 2, the cover plate 10 is provided with a receiving groove for engaging with the sealing ring 60. So, sealing washer 60 can be in the spacing effect of storage tank, comparatively firmly the centre gripping between apron 10 and utmost point post 50 bottom, reduces the relative apron 10 removal of sealing washer 60 to strengthen top cap subassembly 100's sealed effect. It should be noted that the post 50 may be provided with a sealing groove, the cover plate 10 may be provided with an accommodating groove, and the post 50 may be provided with a sealing groove and the cover plate 10 may be provided with an accommodating groove, which is not limited herein.
In some embodiments, referring to fig. 2, the cover plate 10 is opened with a fifth through hole 12, the top cover assembly 100 includes an explosion-proof assembly 70, and the explosion-proof assembly 70 is installed at the fifth through hole 12.
Thus, the explosion-proof assembly 70 can be timely disconnected from the fifth through hole 12 when the air pressure inside the battery 200 is abnormal, so that the air pressure inside the battery 200 can be discharged through the fifth through hole 12, and the battery 200 can be prevented from being incapable of discharging air and being exploded under the abnormal air pressure condition.
Further, referring to fig. 2, the explosion-proof assembly 70 includes an explosion-proof valve plate 71 and an explosion-proof valve protection film 72 covering the explosion-proof valve plate 71.
Therefore, the explosion-proof valve protective film 72 can protect the explosion-proof valve plate 71, the explosion-proof valve plate 71 is prevented from being damaged by pollution, corrosion and the like in the production and use processes, and the service life of the explosion-proof valve plate 71 is prolonged.
Specifically, the explosion-proof valve protection film 72 can prevent dust, electrolyte and the like from contacting the explosion-proof valve, so that the probability that the explosion-proof valve plate 71 is corroded by the dust and the electrolyte is reduced, and the service life of the explosion-proof valve plate 71 is prolonged. It is worth mentioning that the explosion-proof valve protection film 72 may include a dustproof protection film and a waterproof protection film, wherein the dustproof protection film plays a dustproof role, and the waterproof protection film plays a waterproof role.
In some embodiments, the plastic part 20 includes a ventilation part 22, the ventilation part 22 has a groove 23, the bottom surface of the groove 23 has ventilation holes 24, and the ventilation part 22 corresponds to the explosion-proof assembly 70.
In this way, in case of an abnormal air pressure in the battery 200, the gas can pass through the vent hole 24 to the explosion-proof assembly 70, so that the explosion-proof assembly 70 is separated from the fifth through hole 12.
The present invention also discloses a battery 200, please refer to fig. 7, which includes a top cap assembly 100.
According to the battery 200 of the embodiment of the invention, the plastic ring 30 and the snap ring 40 are arranged, the precision control of the third through hole 31 of the plastic ring 30 is easy to control the precision of the second through hole 21 of the plastic part 20, the processing difficulty can be reduced, certain installation requirements can be met, and the plastic part 20 is fixed on the bottom surface of the cover plate 10 through the snap ring 40, so that the plastic part 20 can be conveniently detached or installed as required.
Specifically, the battery 200 may further include a case 210. The cap assembly 100 is disposed on top of the housing. The shape of the shell is various, and the shell can be in the shape of a cuboid, a cube, a cylinder and the like. The top of the case may be provided with a mounting opening to facilitate mounting of components inside the battery 200, and the top cap assembly 100 covers or opens the mounting opening. The cap assembly 100 and the housing may be connected by welding, adhesive bonding, etc., and are not limited in particular. The shape of the cap assembly 100 is various and may be rectangular, circular, etc., and the specific shape of the cap assembly 100 may be adjusted according to factors such as the shape of the housing, the shape of the mounting opening, etc. The cap assembly 100 may have the same shape as the mounting opening, and the cap assembly 100 may be disposed larger than the mounting opening.
It should be noted that the battery may be a square battery, a round battery, or other types of batteries, and is not limited herein.
Referring to fig. 8, the energy storage device 1000 includes a battery 200.
According to the energy storage device 1000 provided by the embodiment of the invention, the plastic ring 30 and the snap ring 40 are arranged, the precision control of the third through hole 31 of the plastic ring 30 is easy to control the precision of the second through hole 21 of the plastic part 20, the processing difficulty can be reduced, certain installation requirements can be met, the plastic part 20 is fixed on the bottom surface of the cover plate 10 through the snap ring 40, and the plastic part 20 can be conveniently detached or installed as required.
The plurality of batteries 200 may constitute the battery module 500. The energy storage device 1000 may include a plurality of battery modules 500. That is, in some embodiments, the number of the battery modules 500 in the energy storage device 1000 may be 1, 2, 3, 4, or more than 4, which is not limited herein. In one embodiment, the number of the battery modules 500 in the energy storage device 1000 may be 4, the 4 battery modules 500 are arranged in a row in the vertical direction, and the battery modules 500 may be connected in series or in parallel, which is not limited herein. The energy storage device 1000 formed by the plurality of battery modules 500 has a stronger energy storage effect and can meet the use requirements of users. The energy storage device 1000 may be fabricated in the form of a household energy storage cabinet or a small container.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A header assembly, comprising:
the cover plate is provided with a first through hole;
the plastic part is stacked below the cover plate and provided with a second through hole;
at least part of the plastic ring is accommodated in the second through hole, a third through hole is formed in the middle of the plastic ring and is correspondingly communicated with the first through hole, and a clamping ring is axially and convexly arranged on the circumferential side surface of the plastic ring along the axial direction far away from the third through hole;
the pole column partially penetrates through the first through hole and the third through hole, the pole column is connected with the plastic ring, and the clamping ring clamps the plastic part on the bottom surface of the cover plate.
2. The header assembly of claim 1, wherein the post comprises a positioning post and the plastic ring comprises a positioning hole, and the positioning post is disposed through the positioning hole and connected to the plastic ring.
3. The top cover assembly of claim 2, wherein the number of the positioning holes is multiple, the positioning holes are evenly spaced along the circumference of the plastic ring, and the positioning posts are in one-to-one correspondence with the positioning holes.
4. The top cover assembly according to claim 2, wherein the pole comprises a metal piece and a plastic piece, a fourth through hole is formed in the middle of the plastic piece, the metal piece is at least partially accommodated in the fourth through hole, and the positioning column is arranged on the bottom surface of the plastic piece.
5. The header assembly of claim 1, wherein the header assembly comprises a sealing ring that is clamped between the cover plate and the pole bottom.
6. The lid assembly of claim 1, wherein the cover panel defines a fifth through-hole, the lid assembly comprising an explosion-proof assembly, the explosion-proof assembly being mounted at the fifth through-hole.
7. The header assembly of claim 6, wherein the vent assembly comprises a vent panel and a vent protection membrane covering the vent panel.
8. The top cover assembly according to claim 6, wherein the plastic part comprises a ventilation part, the ventilation part is provided with a groove, the bottom surface of the groove is provided with ventilation holes, and the ventilation part corresponds to the explosion-proof assembly.
9. A battery comprising the cap assembly of any one of claims 1-8.
10. An energy storage device comprising the battery of claim 9.
CN202111551094.8A 2021-12-17 2021-12-17 Top cap subassembly, battery and energy memory Withdrawn CN114284607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111551094.8A CN114284607A (en) 2021-12-17 2021-12-17 Top cap subassembly, battery and energy memory

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Application Number Priority Date Filing Date Title
CN202111551094.8A CN114284607A (en) 2021-12-17 2021-12-17 Top cap subassembly, battery and energy memory

Publications (1)

Publication Number Publication Date
CN114284607A true CN114284607A (en) 2022-04-05

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CN202111551094.8A Withdrawn CN114284607A (en) 2021-12-17 2021-12-17 Top cap subassembly, battery and energy memory

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847459A (en) * 2018-06-04 2018-11-20 深圳市瑞德丰精密制造有限公司 The no-welding top cover packaging technology in surface
CN109546018A (en) * 2018-11-27 2019-03-29 欣旺达电子股份有限公司 Battery cap and the power battery for using the battery cap
CN109659453A (en) * 2017-10-10 2019-04-19 宁德时代新能源科技股份有限公司 Secondary cell's top cap subassembly and secondary cell
CN110379953A (en) * 2019-07-31 2019-10-25 江苏塔菲尔新能源科技股份有限公司 A kind of assembling structure and its assembly method of battery cap
CN112736340A (en) * 2020-12-30 2021-04-30 武汉富航精密工业有限公司 Injection molding assembly method of secondary battery top cover assembly and top cover assembly
CN113725533A (en) * 2021-09-03 2021-11-30 宜春市骏智机电科技有限公司 New energy battery apron assembly subassembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659453A (en) * 2017-10-10 2019-04-19 宁德时代新能源科技股份有限公司 Secondary cell's top cap subassembly and secondary cell
CN108847459A (en) * 2018-06-04 2018-11-20 深圳市瑞德丰精密制造有限公司 The no-welding top cover packaging technology in surface
CN109546018A (en) * 2018-11-27 2019-03-29 欣旺达电子股份有限公司 Battery cap and the power battery for using the battery cap
CN110379953A (en) * 2019-07-31 2019-10-25 江苏塔菲尔新能源科技股份有限公司 A kind of assembling structure and its assembly method of battery cap
CN112736340A (en) * 2020-12-30 2021-04-30 武汉富航精密工业有限公司 Injection molding assembly method of secondary battery top cover assembly and top cover assembly
CN113725533A (en) * 2021-09-03 2021-11-30 宜春市骏智机电科技有限公司 New energy battery apron assembly subassembly

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