CN208608235U - Power type combination cover cap and battery - Google Patents
Power type combination cover cap and battery Download PDFInfo
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- CN208608235U CN208608235U CN201820974558.3U CN201820974558U CN208608235U CN 208608235 U CN208608235 U CN 208608235U CN 201820974558 U CN201820974558 U CN 201820974558U CN 208608235 U CN208608235 U CN 208608235U
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- power type
- type combination
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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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Abstract
The utility model provides a kind of power type combination cover cap and battery, is related to the technical field of battery, top cover, explosion rupture disk, washer and the air permeable plate of power type combination cover cap are successively abutted and be fastened in sealing ring；The first groove on top cover and the second groove in explosion rupture disk are internally provided with cored solder；Saturating air permeable plate includes hollow cone and hollow cone is arranged in is open the platform of lesser one end；First sub-aperture is arranged on the side wall of hollow cone, and the first sub-aperture is gradually increased along the direction opening far from platform；Second sub-aperture is arranged on platform, and the second sub-aperture is gradually increased along the direction opening far from the platform center of circle；The edge of first sub-aperture is connected with the edge of the second sub-aperture, and natural transition.The setting of the power type combination cover cap can be improved the stability contacted between top cover and explosion rupture disk, to prevent contact internal resistance from increasing, guarantees that lithium ion battery carries out conventional charge and discharge, extends the service life of lithium ion battery.
Description
Technical field
The utility model relates to battery technology fields, more particularly, to a kind of power type combination cover cap and battery.
Background technique
Lithium ion battery is a kind of secondary cell, it relies primarily on lithium ion, and movement carrys out work between a positive electrode and a negative electrode.
In charge and discharge process, lithium ion insertion and deintercalation back and forth between two electrodes.Lithium ion battery has small in size, weight
Gently, the features such as electricity is strong, memoryless, environmentally protective, is widely used in industrial production and daily life.
Currently, the battery cap of power-type lithium ion battery includes sealing ring and the successively fitting that is set in sealing ring
Top cover, explosion rupture disk, washer, air permeable plate.Top cover, thermistor, explosion rupture disk, washer and air permeable plate are stuck in it by sealing ring
Portion.
But in the prior art, the contact between top cover and explosion rupture disk is extremely unstable, stores or used for a long time
It will lead to contact internal resistance in journey to increase, so that existing lithium ion battery entirety internal resistance be caused to increase and conventional fill can not be carried out
Electric discharge, thus shorten the service life of existing lithium ion battery.
Utility model content
The purpose of this utility model is to provide a kind of power type combination cover cap and batteries, are existed in the prior art with improving
Top cover and explosion rupture disk between contact it is extremely unstable, for a long time storage or use process in will lead to contact internal resistance increase,
Conventional charge and discharge can not be carried out to cause existing lithium ion battery entirety internal resistance to increase, thus shorten existing lithium
The technical issues of service life of ion battery.
Power type combination cover cap provided by the utility model, including top cover, explosion rupture disk, washer, air permeable plate and sealing ring；
Top cover, explosion rupture disk, washer and air permeable plate are successively abutted and are fastened in sealing ring；Top cover is provided on one side close to explosion rupture disk
First groove, explosion rupture disk are provided with the second groove corresponding with the first groove, the first groove and second close to top cover on one side
Groove is internally provided with cored solder, top cover and explosion rupture disk soldering connection；Air permeable plate is raised to the direction far from top cover；Air permeable plate
On be provided with air hole；Air permeable plate includes hollow cone and hollow cone is arranged in is open the platform of lesser one end；Air hole
Including the first sub-aperture and the second sub-aperture；First sub-aperture is arranged on the side wall of hollow cone, and the first sub-aperture is along separate platform
Direction opening is gradually increased；Second sub-aperture is arranged on platform, and the second sub-aperture is open gradually along the direction far from the platform center of circle
Increase；The edge of first sub-aperture is connected with the edge of the second sub-aperture, and natural transition.
Further, air hole is multiple；Multiple air hole interval settings.
Further, multiple air holes are successively spaced setting around the central axis of air permeable plate.
Further, the first groove and the second groove be in a ring.
Further, bleeder port is provided on top cover.
Further, bleeder port is multiple；Multiple bleeder port interval settings.
Further, multiple bleeder ports are successively spaced setting around the central axis of air permeable plate.
Further, air permeable plate and explosion rupture disk are aluminium material.
Further, sealing ring and washer are rubber material.
Further, the utility model additionally provides a kind of battery, and battery includes power type combination cover cap.
Power type combination cover cap provided by the utility model, during the installation process, user is by top cover, explosion rupture disk and pricker
Solder is heated to cored solder thawing, and cored solder is filled in the first groove and the second groove after melting, to enable top cover and explosion-proof
Piece connection.Then top cover, explosion rupture disk, washer and air permeable plate are fastened on inside it using sealing ring.The setting energy of sealing ring
Enough to play the role of limit and fixation to top cover, explosion rupture disk, washer and air permeable plate, the setting of cored solder can further increase
The stability contacted between top cover and explosion rupture disk.
In addition, the setting of the air hole on air permeable plate can play ventilative effect, the gas in battery can be from ventilative
It is discharged in hole, is that inside battery is depressurized, prevents from exploding.And the shape of air hole, it can guarantee the intensity of air permeable plate
Under the premise of, the discharge area of enlargement gas, to improve air permeability effect.
From the foregoing, it will be observed that the setting of the power type combination cover cap can be improved the stability contacted between top cover and explosion rupture disk,
To prevent contact internal resistance from increasing, guarantees that lithium ion battery carries out conventional charge and discharge, extend the service life of lithium ion battery.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view of power type combination cover cap provided by the embodiment of the utility model；
Fig. 2 is the bottom view of power type combination cover cap provided by the embodiment of the utility model；
Fig. 3 is the sectional view of power type combination cover cap provided by the embodiment of the utility model.
Icon: 1- top cover；2- explosion rupture disk；3- washer；4- air permeable plate；5- sealing ring；The first groove of 6-；The second groove of 7-；
8- air hole；9- bleeder port.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, Figure 2 and Fig. 3 shown in, power type combination cover cap provided in this embodiment, including top cover 1, explosion rupture disk 2,
Washer 3, air permeable plate 4 and sealing ring 5；Top cover 1, explosion rupture disk 2, washer 3 and air permeable plate 4 successively abut and are fastened on sealing ring
In 5；Top cover 1 is provided with the first groove 6 close to explosion rupture disk 2 on one side, and explosion rupture disk 2 is provided with and first on one side close to top cover 1
Corresponding second groove 7 of groove 6, the first groove 6 and the second groove 7 are internally provided with cored solder, top cover 1 and explosion rupture disk 2
Soldering connection；Air permeable plate 4 is raised to the direction far from top cover 1；Air hole 8 is provided on air permeable plate 4；Air permeable plate 4 includes hollow
It circular cone and hollow cone is set is open the platform of lesser one end；Air hole 8 includes the first sub-aperture and the second sub-aperture；First son
Hole is arranged on the side wall of hollow cone, and the first sub-aperture is gradually increased along the direction opening far from platform；The setting of second sub-aperture
On platform, and the second sub-aperture is gradually increased along the direction opening far from the platform center of circle；The edge of first sub-aperture and the second son
The edge in hole connects, and natural transition.
Wherein, sealing ring 5 is in a ring.
For explosion rupture disk 2 to the direction protrusion far from top cover 1, top cover 1 is raised to the direction far from explosion rupture disk 2.
Hollow cone and platform on air permeable plate 4 are integrally formed.
First groove 6 and the second groove 7 can be multiple, multiple intervals of first grooves 6 setting, between multiple second grooves 7
Every setting, the connection area between top cover 1 and explosion rupture disk 2 can be increased in this way, thus improve connection stability and both connect
The stability of touching.
Power type combination cover cap provided in this embodiment, during the installation process, user is by top cover 1, explosion rupture disk 2 and pricker
Solder is heated to cored solder thawing, and cored solder is filled in the first groove 6 and the second groove 7 after melting, to enable top cover 1 and prevent
Quick-fried 2 connection.Then top cover 1, explosion rupture disk 2, washer 3 and air permeable plate 4 are fastened on inside it using sealing ring 5.Sealing ring 5
Setting can play the role of limit and fixation, the setting energy of cored solder to top cover 1, explosion rupture disk 2, washer 3 and air permeable plate 4
Enough further increase the stability contacted between top cover 1 and explosion rupture disk 2.
In addition, the setting of the air hole 8 on air permeable plate 4 can play ventilative effect, the gas in battery can be from saturating
It is discharged in stomata 8, is that inside battery is depressurized, prevents from exploding.And the shape of air hole 8, it can guarantee the strong of air permeable plate 4
Under the premise of degree, the discharge area of enlargement gas, to improve air permeability effect.
From the foregoing, it will be observed that the setting of the power type combination cover cap can be improved the stabilization contacted between top cover 1 and explosion rupture disk 2
Property, to prevent contact internal resistance from increasing, guarantee that lithium ion battery carries out conventional charge and discharge, extend lithium ion battery uses the longevity
Life.
As shown in figure 3, on the basis of the above embodiments, further, air hole 8 is multiple；Multiple air holes 8 are spaced
Setting.
Wherein, multiple air holes 8 can be arranged along the diameter symmetry of circular platform.
In the present embodiment, the setting of multiple air holes 8 can be improved the air permeability effect of air permeable plate 4, improve what battery used
Safety.
As shown in figure 3, on the basis of the above embodiments, further, central axis of multiple air holes 8 around air permeable plate 4
Successively interval setting.
Wherein, air hole 8 can be six, be spaced 60 ° between adjacent air hole 8.
In the present embodiment, multiple air holes 8 around air permeable plate 4 central axis successively spaced mode can enable it is ventilative more
Add uniformly, improves airing efficiency, guarantee the safety that battery uses.
As shown in Fig. 2, on the basis of the above embodiments, further, the first groove 6 and the second groove 7 are in a ring.
In the present embodiment, annular setting can increase the connection area between top cover 1 and explosion rupture disk 2, thus the company of raising
The stability of the stability and the two contact that connect.
As shown in Figure 1, on the basis of the above embodiments, further, bleeder port 9 is provided on top cover 1.
Wherein, the shape of bleeder port 9 can be a variety of, such as: round, rectangular or triangle etc..
In the present embodiment, the bleeder port 9 on top cover 1 can play ventilative effect, and the gas in battery can be from ventilative
It is discharged in hole 8, is that inside battery is depressurized, prevents from exploding.
As shown in Figure 1, on the basis of the above embodiments, further, bleeder port 9 is multiple；Multiple bleeder ports 9 are spaced
Setting.
In the present embodiment, the setting of multiple bleeder ports 9 can be improved the air permeability effect of top cover 1, improve the peace that battery uses
Quan Xing.
As shown in Figure 1, on the basis of the above embodiments, further, central axis of multiple bleeder ports 9 around air permeable plate 4
Successively interval setting.
Wherein, bleeder port 9 can be four, be spaced 90 ° between adjacent bleeder port 9.
In the present embodiment, multiple bleeder ports 9 around air permeable plate 4 central axis successively spaced mode can enable it is ventilative more
Add uniformly, improves airing efficiency, guarantee the safety that battery uses.
On the basis of the above embodiments, further, air permeable plate 4 and explosion rupture disk 2 are aluminium material.Sealing ring 5 and washer 3
It is rubber material.
In the present embodiment, the sealing performance of rubber material is preferable, and cost is relatively low, and since rubber material itself has energy
Enough performances that deformation occurs, in this way can be convenient for users to dismounting.
On the basis of the above embodiments, further, the utility model embodiment additionally provides a kind of battery, battery pack
Include power type combination cover cap.
In the present embodiment, during the installation process, top cover 1, explosion rupture disk 2 and cored solder are heated to cored solder and melted by user
Change, cored solder is filled in the first groove 6 and the second groove 7 after melting, so that top cover 1 and explosion rupture disk 2 be enabled to connect.Then it utilizes
Top cover 1, explosion rupture disk 2, washer 3 and air permeable plate 4 are fastened on inside it by sealing ring 5.The setting of sealing ring 5 can to top cover 1,
Explosion rupture disk 2, washer 3 and air permeable plate 4 play the role of limit and fixation, and the setting of cored solder can further increase top cover 1
The stability contacted between explosion rupture disk 2.
In addition, the setting of the air hole 8 on air permeable plate 4 can play ventilative effect, the gas in battery can be from saturating
It is discharged in stomata 8, is that inside battery is depressurized, prevents from exploding.And the shape of air hole 8, it can guarantee the strong of air permeable plate 4
Under the premise of degree, the discharge area of enlargement gas, to improve air permeability effect.
From the foregoing, it will be observed that the setting of the power type combination cover cap of the battery can be improved and contact between top cover 1 and explosion rupture disk 2
Stability guarantees that lithium ion battery carries out conventional charge and discharge, extends making for lithium ion battery to prevent contact internal resistance from increasing
Use the service life.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of power type combination cover cap characterized by comprising top cover, explosion rupture disk, washer, air permeable plate and sealing ring；Institute
Top cover, the explosion rupture disk, the washer and the air permeable plate is stated successively to abut and be fastened in the sealing ring；
The top cover is provided with the first groove close to the explosion rupture disk on one side, and the explosion rupture disk is set on one side close to the top cover
It is equipped with the second groove corresponding with first groove, first groove and second groove are internally provided with soldering
Material, the top cover and the explosion rupture disk soldering connection；
The air permeable plate is raised to the direction far from the top cover；Air hole is provided on the air permeable plate；The air permeable plate packet
It includes hollow cone and the hollow cone is set and be open the platform of lesser one end；The air hole includes the first sub-aperture and the
Two sub-aperture；First sub-aperture is arranged on the side wall of the hollow cone, and first sub-aperture is along the separate platform
Direction opening is gradually increased；Second sub-aperture is arranged on the platform, and second sub-aperture is along far from platform circle
The direction opening of the heart is gradually increased；The edge of first sub-aperture is connected with the edge of second sub-aperture, and natural mistake
It crosses.
2. power type combination cover cap according to claim 1, which is characterized in that the air hole is multiple；
Multiple air hole interval settings.
3. power type combination cover cap according to claim 2, which is characterized in that multiple air holes are around the air permeable plate
Central axis be successively spaced setting.
4. power type combination cover cap according to claim 1, which is characterized in that first groove and second groove
In a ring.
5. power type combination cover cap according to claim 1, which is characterized in that be provided with bleeder port on the top cover.
6. power type combination cover cap according to claim 5, which is characterized in that the bleeder port is multiple；
Multiple bleeder port interval settings.
7. power type combination cover cap according to claim 6, which is characterized in that multiple bleeder ports are around the air permeable plate
Central axis be successively spaced setting.
8. power type combination cover cap according to claim 1, which is characterized in that the air permeable plate and the explosion rupture disk are aluminium
Material.
9. power type combination cover cap according to claim 1, which is characterized in that the sealing ring and the washer are rubber
Glue material matter.
10. a kind of battery, which is characterized in that including the described in any item power type combination cover caps of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974558.3U CN208608235U (en) | 2018-06-22 | 2018-06-22 | Power type combination cover cap and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974558.3U CN208608235U (en) | 2018-06-22 | 2018-06-22 | Power type combination cover cap and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208608235U true CN208608235U (en) | 2019-03-15 |
Family
ID=65665456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820974558.3U Active CN208608235U (en) | 2018-06-22 | 2018-06-22 | Power type combination cover cap and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208608235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379993A (en) * | 2019-08-14 | 2019-10-25 | 横店集团东磁股份有限公司 | A kind of lithium battery combination cover cap and lithium battery |
-
2018
- 2018-06-22 CN CN201820974558.3U patent/CN208608235U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379993A (en) * | 2019-08-14 | 2019-10-25 | 横店集团东磁股份有限公司 | A kind of lithium battery combination cover cap and lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220308 Address after: 523000 Room 202, building 10, No. 2, Huangdong Jintian Road, Fenggang town, Dongguan City, Guangdong Province Patentee after: Dongguan Xinwang new energy Co.,Ltd. Address before: 325000 Ao Jiang Zhen Tang Wai Cun, Pingyang County, Wenzhou City, Zhejiang Province Patentee before: Fang Ruxin |