CN217361837U - Battery and electronic equipment - Google Patents
Battery and electronic equipment Download PDFInfo
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- CN217361837U CN217361837U CN202221326511.9U CN202221326511U CN217361837U CN 217361837 U CN217361837 U CN 217361837U CN 202221326511 U CN202221326511 U CN 202221326511U CN 217361837 U CN217361837 U CN 217361837U
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- 239000007788 liquid Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 10
- 238000004804 winding Methods 0.000 description 7
- 238000003475 lamination Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a battery and electronic equipment, the battery includes electric core and casing, and electric core setting is in the casing, and electric core includes the first sub-part and the second sub-part of coaxial setting, and first sub-part and second sub-part cooperate and form first boss, and the casing includes the second boss with first boss adaptation. Compare in conventional battery, will the embodiment of the utility model provides a when the battery setting is in the battery compartment, the second boss can inlay and establish redundant position in the battery compartment to improve space utilization, in equal volume battery compartment, enlarged battery capacity, thereby promoted the duration of a journey ability of battery.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery and electronic equipment.
Background
With the development of economy, electronic equipment has been deeply buried in the aspects of people's lives, and in order to improve the user experience of products, the electronic equipment is increasingly developed towards lightness and miniaturization, so that the structural design of the electronic equipment becomes compact, and particularly the structural design of a battery compartment is increasingly complex. Button cells have been widely used in portable electronic devices due to their advantages of compactness and convenience.
However, the existing button cell is generally of a cylindrical structure, occupies a large space in a complex battery compartment, and needs to reduce the volume of the button cell in order to arrange the cell in the battery compartment, so that the volume of the cell is reduced, the capacity is reduced, and the cruising ability of the cell is poor.
Therefore, the battery in the prior art has the problem of poor cruising ability.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery and electronic equipment to solve the relatively poor problem of battery duration among the prior art.
An embodiment of the utility model provides a battery, including electric core and casing, electric core sets up in the casing, electric core includes first subdivision and the second subdivision of coaxial setting, first subdivision with the second subdivision cooperatees and forms first boss, the casing include with the second boss of first boss adaptation.
Optionally, the housing includes a top cover, a first sub-housing and a second sub-housing, the first sub-housing and the second sub-housing cooperate to form an accommodating cavity with an opening at one end, the battery cell is disposed in the accommodating cavity, the top cover is disposed on the second sub-housing to close the opening, and the first sub-housing is formed with the second boss.
Optionally, the top cap includes a top cap body and a third boss, a first end of the third boss is disposed on the top cap body, and a second end of the third boss extends towards a direction away from the accommodating cavity.
Optionally, the top cap body is provided with annotates the liquid hole, the third boss sets up annotate the liquid hole position, it includes heavy platform and through-hole to annotate the liquid hole, heavy platform is close to the third boss, heavy platform pass through the through-hole with the holding chamber communicates with each other.
Optionally, the edge position of the top cover body facing to one side of the second sub-housing is recessed to form a first ring groove, and the top cover body is fixed to the second sub-housing through the first ring groove.
Optionally, the edge position of one side of the top cover body, which is far away from the second sub-shell, is recessed to form a second annular groove.
Optionally, the first sub-housing and the second sub-housing are of an integral structure.
Optionally, the battery further includes a first tab disposed between the first sub-portion and the first sub-housing, and a second tab disposed between the second sub-portion and the top cap.
Optionally, the first sub-portion and the second sub-portion satisfy at least one of the following relationships:
D 1 ≤D 2 /3；
H 1 ≤H 2 /3；
wherein D is 1 Is the outer diameter of the first sub-portion, D 2 Is the outer diameter of the second subsection, H 1 Is the height of the first boss H 2 Is the height of the second sub-portion.
Optionally, at least one of the following relationships is satisfied among the third boss, the first sub-housing and the second sub-housing:
D 3 ≤D 4 /5；
H 3 ≤H 4 /5；
wherein D is 3 Is the outer diameter of the third boss, D 4 Is the outer diameter of the second sub-housing, H 3 Is the height of the third boss H 4 Is the sum of the height of the first sub-housing and the height of the second sub-housing.
Optionally, at least one of the following relationships is satisfied between the first sub-housing and the second sub-housing:
D 5 ≤D 4 /3；
H 5 ≤H 4 /3；
wherein D is 4 Is the outer diameter of the second sub-housing, D 5 Is the outer diameter of the first sub-housing, H 4 Is the sum of the height of the first sub-housing and the height of the second sub-housing, H 5 Is the height of the first sub-housing.
Optionally, a first end of the first sub-portion and a first end of the second sub-portion are flush, and a second end of the first sub-portion protrudes beyond a second end of the second sub-portion to form the first boss.
The embodiment of the utility model provides an electronic equipment is still provided, including battery compartment and foretell battery, the battery sets up in the battery compartment.
The embodiment of the utility model provides an in, can choose for use positive plate and the negative pole piece of first predetermined length to make first subsection through the mode of coiling or lamination, can choose for use positive plate and the negative pole piece that the second predetermined length, and make the second subsection through the mode of coiling or lamination, first predetermined length is greater than the second and predetermines length, so that the height that highly is greater than the second subsection of first subsection. After the first and second sub-parts are mated, a first boss is formed, in other words, the battery cell may be provided in a step structure, and the housing includes a second boss adapted to the first boss, so as to dispose the battery cell within the housing. Compare in conventional battery, will the embodiment of the utility model provides a when the battery setting is in the battery compartment, the second boss can inlay and establish redundant position in the battery compartment to improve space utilization, in equal volume battery compartment, enlarged battery capacity, thereby promoted the duration of a journey ability of battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 4 is an assembly diagram of a battery according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be understood that the structures so used are interchangeable under appropriate circumstances such that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and the terms "first," "second," and the like are generally used herein in a generic sense without limitation to the number of terms, e.g., the first term can be one, or more than one.
The embodiment of the utility model provides a battery, as shown in fig. 1 to fig. 4, including electric core 10 and casing 20, electric core 10 sets up in casing 20, and electric core 10 includes first subdivision 101 and the second subdivision 102 of coaxial setting, and first subdivision 101 and the second subdivision 102 cooperate and form first boss, and casing 20 includes the second boss with first boss adaptation.
In this embodiment, the positive electrode tab and the negative electrode tab with a first preset length may be selected and made into the first subsection 101 by winding or laminating, and the positive electrode tab and the negative electrode tab with a second preset length may be selected and made into the second subsection 102 by winding or laminating, where the first preset length is greater than the second preset length, so that the height of the first subsection 101 is greater than the height of the second subsection 102. After the first sub-portion 101 and the second sub-portion 102 are matched, a first boss is formed, in other words, the battery cell 10 may be disposed in a step structure, and the casing 20 includes a second boss matched with the first boss, so as to dispose the battery cell 10 in the casing 20. Compare in conventional battery, will the embodiment of the utility model provides a when the battery setting is in the battery compartment, the second boss can inlay and establish redundant position in the battery compartment to improve space utilization, in equal volume battery compartment, enlarged battery capacity, thereby promoted the duration of a journey ability of battery.
Wherein the first boss may be a portion of the first sub-portion 101 exceeding the second sub-portion 102 in the height direction.
In some alternative embodiments, the first end of the first sub-portion 101 is flush with the first end of the second sub-portion 102, the second end of the first sub-portion 101 protrudes beyond the second end of the second sub-portion 102 to form a first boss, and the casing 20 includes a second boss matched with the first boss, so as to dispose the battery cell 10 in the casing 20, inject electrolyte into the casing 20, immerse the battery cell 10 in the electrolyte, and improve the conductivity. The second boss on the casing 20 can be embedded in a redundant position in the battery compartment to improve the space utilization rate and increase the volume of the battery cell 10, thereby enlarging the battery capacity and improving the cruising ability of the battery.
In other alternative embodiments, the number of the first bosses may be two, the first end of the first sub-portion 101 may protrude from the first end of the second sub-portion 102 to form one first boss, the second end of the first sub-portion 101 may protrude from the second end of the second sub-portion 102 to form another first boss, and the two ends of the casing 20 may be respectively provided with a second boss adapted to the first boss, so as to dispose the battery cell 10 in the casing 20, thereby further reducing redundant positions in the battery compartment, improving space utilization, further increasing the volume of the battery cell 10, expanding battery capacity, and improving battery endurance.
Optionally, the casing 20 may include a first sub-casing 201, a second sub-casing 202, and a top cover 203, where the first sub-casing 201 and the second sub-casing 202 cooperate to form an accommodating cavity with one open end, the battery cell 10 is disposed in the accommodating cavity, the top cover 203 is disposed on the second sub-casing 202 to close the opening, and the first sub-casing 201 may be formed with a second boss.
In this embodiment, the housing 20 may be made of a metal material, for example, the first sub-housing 201 and the second sub-housing 202 may be made of a metal material such as steel and nickel, and the top cover 203 may be made of a metal material such as aluminum, steel and nickel. The first sub-part 101 may be a battery core made into a cylindrical shape by winding or lamination, and the first sub-casing 201 may be a casing formed by stretching to fit the shape of the first sub-part 101; the second sub-portion 102 may be a battery core made into a cylindrical shape by winding or lamination, and the second sub-housing 202 may be a housing formed by stretching and matched with the shape of the second sub-portion 102, so as to reduce the gap between the battery core 10 and the housing 20 and expand the battery capacity in a battery compartment with the same volume. The first sub-housing 201 and the second sub-housing 202 cooperate to form an accommodating cavity with an opening at one end, electrolyte is injected after the battery cell 10 is disposed in the accommodating cavity, and then the top cover 203 is disposed on the second sub-housing 202 to close the opening.
Wherein, the first sub-housing 201 and the second sub-housing 202 may be an integral structure. The first sub-housing 201 and the second sub-housing 202 may be an integral structure including a second boss formed after a drawing or punching process, so as to improve the integrity of the housing 20 and reduce the leakage of the electrolyte.
Optionally, the top cover 203 includes a top cover body and a third boss, a first end of the third boss is disposed on the top cover body, a second end of the third boss extends towards a direction away from the accommodating cavity, and the third boss and the second boss can be respectively embedded in the battery compartment.
In this embodiment, in the case that the first end of the first sub-portion 101 is flush with the first end of the second sub-portion 102, and the second end of the first sub-portion 101 protrudes beyond the second end of the second sub-portion 102 to form a first boss, the first boss may be disposed in a second boss formed by the first sub-housing 201, when the battery is disposed in the battery compartment, the second boss may be embedded in one redundant position in the battery compartment, and the second end of the third boss extends toward the direction away from the accommodating cavity to be embedded in another redundant position in the battery compartment, so as to improve the space utilization rate.
Wherein the battery further comprises a first tab 30 and a second tab 40, the first tab 30 is disposed between the first sub-portion 101 and the first sub-housing 201, and the second tab 40 is disposed between the second sub-portion 102 and the top cover 203.
Specifically, the battery core 10 is manufactured by winding or laminating a positive plate and a negative plate with a first preset length and a positive plate and a negative plate with a second preset length, wherein the first preset length is greater than the second preset length, so that the height of the first subsection 101 is greater than the height of the second subsection 102. The first tab 30 is arranged between the first sub-portion 101 and the first sub-housing 201, the first tab 30 is connected with the negative plate, the second tab 40 is arranged between the second sub-portion 102 and the top cover 203, the second tab 40 is connected with the positive plate, the currents on the negative plate with the first preset length and the negative plate with the second preset length are collected through the first tab 30, and the currents on the positive plate with the first preset length and the positive plate with the second preset length are collected through the second tab 40. The current collected by the first tab 30 can be conducted through the second boss of the housing 20, the current collected by the second tab 40 can be conducted through the third boss of the housing 20, and the second boss and the third boss can be respectively embedded into the negative connection end and the positive connection end of the battery compartment. The quantity that reduces to set up the switching piece simplifies battery packing PACK flow, and in equal volume battery compartment, the capacity of increase battery has promoted the duration of battery.
Optionally, a liquid injection hole 204 may be formed in the top cover body, the third boss is disposed at the position of the liquid injection hole 204, the liquid injection hole 204 includes a counter 2041 and a through hole 2042, the counter 2041 is close to the third boss, and the counter 2041 is communicated with the accommodating chamber through the through hole 2042.
In this embodiment, the battery cell 10 is disposed in the accommodating cavity formed by the first sub-case 201 and the second sub-case 202, the top cover 203 is disposed at the opening of the second sub-case 202 to preliminarily close the accommodating cavity, the body of the top cover 203 is provided with the liquid injection hole 204, electrolyte can be injected into the accommodating cavity through the liquid injection hole 204, so that the battery cell 10 is immersed by the electrolyte, and after the liquid injection is completed, the third boss is fixed at the position of the liquid injection hole 204 to seal the liquid injection hole 204, thereby enhancing the sealing performance of the battery; and the second end orientation of third boss is kept away from the direction extension of holding chamber to inlay and establish a redundant position in the battery compartment, improve space utilization, in equal volume battery compartment, enlarged battery capacity, thereby promoted the duration of battery.
Electrolyte flows into the holding cavity through the through hole 2042, and heavy platform 2041 and through hole 2042 can be approximately coaxial setting, and the diameter of heavy platform 2041 is greater than the diameter of through hole 2042, can cache residual electrolyte through heavy platform 2041, reduce the too fast condition that leads to electrolyte to spill over and annotate liquid hole 204 in annotating the liquid process, promote the convenience when the battery annotates liquid.
Optionally, the edge of the top cover body facing the second sub-housing 202 is recessed to form a first ring groove 205, and the top cover body is fixed to the second sub-housing 202 through the first ring groove 205.
In this embodiment, the first ring groove 205 may be formed by punching at an edge position of one side of the top cover body, so that the position is recessed, in other words, the first ring groove 205 is disposed at an edge of the top cover 203, an inner diameter of the first ring groove 205 may be equal to an inner diameter of the second sub-housing 202, an outer diameter of the first ring groove 205 may be equal to an outer diameter of the second sub-housing 202, so that an end of the second sub-housing 202 away from the first sub-housing 201 is embedded in the first ring groove 205, and a depth of the first ring groove 205 is between 0.02 mm and 0.5 mm; the shape of the first ring groove 205 is adapted to the shape of the second sub-housing 202, for example, the second sub-housing 202 may be cylindrical, the top cover 203 may be disc-shaped, and the first ring groove 205 may be circular. The top cover body is fixed with the second sub-housing 202 through the first ring groove 205, so that the situation that the top cover 203 slips off in the assembling process is reduced, and the sealing performance of the battery is enhanced.
Optionally, an edge of the top cover body away from the second sub-housing 202 is recessed to form a second annular groove 206.
The second ring groove 206 and the first ring groove 205 may be disposed on opposite sides of the top cap body, the first ring groove 205 may be a groove formed by a stamping process, and the second ring groove 206 may be a groove formed by a stamping process, or may be a vacant portion formed after the top cap body and the third boss are assembled. The second ring groove 206 is formed in the edge of the top cover body on the side far away from the second sub-shell 202, so that electrolyte overflowing from the containing cavity can be buffered, and the assembly of the third boss is facilitated.
Optionally, at least one of the following relationships is satisfied between the first subsection 101 and the second subsection 102:
D 1 ≤D 2 /3；
H 1 ≤H 2 /3；
wherein D is 1 May be the outer diameter, D, of the first sub-portion 101 2 May be the outer diameter, H, of the second subsection 102 1 May be the height of the first boss, H 2 May be the height of the second subsection 102.
In this embodiment, the positive plate, the negative plate and the diaphragm with the first preset length and the positive plate, the negative plate and the diaphragm with the second preset length are selected and arranged according to a preset sequence, and the first preset length is greater than the second preset length. And the cell 10 is made by winding or lamination such that the cell includes a first sub-portion 101 and a second sub-portion 102 coaxially arranged, and the height of the first sub-portion 101 is greater than the height of the second sub-portion 102 to form a first boss. The first boss may be the part of the first sub-part 101 that protrudes beyond the end face of the second sub-part 102, i.e. the outer diameter of the first boss may be the outer diameter of the first sub-part 101, the height of the first boss may be the difference between the heights of the first and second sub-parts 101, 102, the outer diameter D of the first sub-part 101 1 Outer diameter D of second subsection 102 2 Height H of the first boss 1 And the height H of the second subsection 102 2 Between D 1 ≤D 2 /3 and/or H 1 ≤H 2 And 3, the safety of the battery can be improved, the space utilization rate is improved, the size of the battery cell 10 is increased, the battery capacity is enlarged, and the cruising ability of the battery is improved.
Optionally, at least one of the following relationships is satisfied between the first sub-housing 201 and the second sub-housing 202:
D 5 ≤D 4 /3；
H 5 ≤H 4 /3；
wherein D is 4 May be the outer diameter, D, of the second sub-housing 202 5 May be the outer diameter, H, of the first sub-housing 201 4 May be the sum of the height of the first sub-housing 201 and the height of the second sub-housing 202, H 5 May be the height of the first sub-housing 201.
In the present embodiment, the second projection of the housing 20 is adapted to the first projection, i.e. the height H of the first sub-housing 201 5 Not greater than the height H of the first sub-housing 5 Height H of the second sub-housing 202 6 Sum of H 4 1/3, height H of the first sub-housing 201 5 The height of the second boss can be matched with the depth of the cathode end in the battery bin; and/or the outer diameter D of the first sub-housing 201 5 Not larger than the outer diameter D of the second sub-housing 202 4 1/3, the outer diameter D of the first sub-housing 201 5 The outer diameter of the second boss can be matched with the width of the negative electrode end in the battery bin. And the height H of the second boss 5 Is greater than the height H of the first boss 1 So that the first tab 30 is disposed between the first sub-portion 101 and the first sub-housing 201. Outer diameter D of second boss 5 Is larger than the outer diameter D of the first boss 1 The first sub-portion 101 is disposed in the first sub-housing 201 such that the second boss of the housing 20 is fitted with the first boss of the battery cell 10. The space utilization rate is improved, and the volume of the battery core 10 is increased, so that the battery capacity is enlarged, and the cruising ability of the battery is improved.
The diaphragm can be arranged between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm can form a cylindrical battery cell 10 with a step structure in a winding mode, the first subsection 101 is arranged in the middle of the second subsection 102, and the second subsection 102 is wrapped outside the diaphragm for one or more circles to protect the battery cell 10, and the end of the diaphragm can be provided with adhesive tape to fix the diaphragm and reduce the short circuit condition of the battery cell 10 caused by the diaphragm slipping.
In some alternative embodiments, at least one of the following relationships is satisfied between the third boss and the second sub-housing 202:
D 3 ≤D 4 /5；
H 3 ≤H 4 /5；
wherein D is 3 May be the outer diameter of the third boss, D 4 May be the outer diameter, H, of the second sub-housing 202 3 May be the height of the third boss, H 4 May be the height H of the first sub-housing 5 Height H of the second sub-housing 202 6 And (4) summing. The second boss and the third boss can be respectively embedded at the negative electrode connecting end and the positive electrode connecting end in the battery compartment, and the outer diameter D of the third boss 3 Not larger than the outer diameter D of the second sub-housing 202 4 1/5 and the outer diameter D of the third boss 3 The width of the positive terminal in the battery bin is matched; and/or the height H of the third boss 3 Not greater than the height H of the first sub-housing 5 Height H of the second sub-housing 202 6 Sum of H 4 1/5, and the height H of the third boss 3 With the degree of depth looks adaptation of positive terminal in the battery compartment, reduced the quantity that sets up the switching piece, simplified battery packing PACK flow, in equal volume battery compartment, the capacity of increase battery has promoted the duration of battery.
The embodiment of the utility model also provides an electronic device, which comprises a battery compartment and the battery, wherein the battery can be arranged in the battery compartment, and the second boss can be embedded in the first position of the battery compartment;
in the case where the battery includes the third boss, the third boss may be embedded in the battery case at a second position.
The first position in the battery compartment may be a negative terminal of the battery compartment, and the second position in the battery compartment may be a positive terminal of the battery compartment.
The electronic device may be a notebook computer, a smart phone, or the like, and is not limited herein. The implementation manner of the embodiment of the battery is also suitable for the embodiment of the electronic device, and can achieve the same technical effect, which is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus of the embodiments of the present invention is not limited to performing functions in the order discussed, but may include performing functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (13)
1. A battery is characterized by comprising an electric core and a shell, wherein the electric core is arranged in the shell and comprises a first sub-part and a second sub-part which are coaxially arranged, the first sub-part and the second sub-part are matched to form a first boss, and the shell comprises a second boss matched with the first boss.
2. The battery of claim 1, wherein the housing comprises a top cover, a first sub-housing and a second sub-housing, the first sub-housing and the second sub-housing cooperate to form a containing cavity with an opening at one end, the battery cell is disposed in the containing cavity, the top cover is disposed on the second sub-housing to close the opening, and the first sub-housing is formed with the second boss.
3. The battery of claim 2, wherein the top cap includes a top cap body and a third boss, a first end of the third boss being disposed on the top cap body, a second end of the third boss extending away from the receiving cavity.
4. The battery of claim 3, wherein the top cover body is provided with a liquid injection hole, the third boss is arranged at the position of the liquid injection hole, the liquid injection hole comprises a sunken platform and a through hole, the sunken platform is close to the third boss, and the sunken platform is communicated with the accommodating cavity through the through hole.
5. The battery of claim 3, wherein the edge of the top cover body facing the second sub-case is recessed to form a first ring groove, and the top cover body is fixed to the second sub-case through the first ring groove.
6. The battery of claim 3, wherein the edge of the top cover body away from the second sub-housing is recessed to form a second annular groove.
7. The battery of claim 2, wherein the first and second sub-housings are a unitary structure.
8. The battery of claim 2, further comprising a first tab disposed between the first sub-portion and the first sub-housing and a second tab disposed between the second sub-portion and the top cap.
9. The battery of claim 1, wherein the first subsection and the second subsection satisfy at least one of the following relationships:
D 1 ≤D 2 /3；
H 1 ≤H 2 /3；
wherein D is 1 Is the outer diameter of the first sub-portion, D 2 Is the outer diameter of the second subsection H 1 Is the height of the first boss H 2 Is the height of the second sub-portion.
10. The battery of claim 3, wherein the third boss, the first sub-housing, and the second sub-housing satisfy at least one of the following relationships:
D 3 ≤D 4 /5；
H 3 ≤H 4 /5；
wherein D is 3 Is the outer diameter of the third boss, D 4 Is the outer diameter of the second sub-housing, H 3 Is the height of the third boss, H 4 Is the sum of the height of the first sub-shell and the height of the second sub-shell.
11. The battery of claim 2, wherein the first sub-housing and the second sub-housing satisfy at least one of the following relationships:
D 5 ≤D 4 /3；
H 5 ≤H 4 /3；
wherein D is 4 Is the outer diameter of the second sub-housing, D 5 Is the outer diameter of the first sub-housing, H 4 Is the sum of the height of the first sub-housing and the height of the second sub-housing, H 5 Is the height of the first sub-housing.
12. The battery of claim 1, wherein a first end of the first sub-portion and a first end of the second sub-portion are flush, and a second end of the first sub-portion protrudes beyond a second end of the second sub-portion to form the first boss.
13. An electronic device comprising a battery compartment and the battery of any one of claims 1-12, the battery disposed in the battery compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326511.9U CN217361837U (en) | 2022-05-30 | 2022-05-30 | Battery and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326511.9U CN217361837U (en) | 2022-05-30 | 2022-05-30 | Battery and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217361837U true CN217361837U (en) | 2022-09-02 |
Family
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| CN202221326511.9U Active CN217361837U (en) | 2022-05-30 | 2022-05-30 | Battery and electronic equipment |
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