CN209016182U - Battery case component and battery - Google Patents
Battery case component and battery Download PDFInfo
- Publication number
- CN209016182U CN209016182U CN201822077447.5U CN201822077447U CN209016182U CN 209016182 U CN209016182 U CN 209016182U CN 201822077447 U CN201822077447 U CN 201822077447U CN 209016182 U CN209016182 U CN 209016182U
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- China
- Prior art keywords
- liquid injection
- battery case
- injection hole
- shell
- case component
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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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- Filling, Topping-Up Batteries (AREA)
Abstract
The battery case component and battery that the disclosure provides, are related to gas-cooker technical field.The battery case component includes shell and sealing element, and shell is hollow structure, and one end of shell offers liquid injection hole, and the aperture of liquid injection hole reduces from outside to inside, and forms big opening end on the outside, forms osculum end in inside, osculum end is connected to the cavity of shell；The end face of sealing element is arcwall face, and sealing element protrudes into liquid injection hole, and the periphery wall of sealing element is bonded with the internal perisporium of liquid injection hole, and arcwall face seals osculum end.The battery case component good seal performance, can be improved the security performance of product.
Description
Technical field
This disclosure relates to battery technology field, in particular to a kind of battery case component and battery.
Background technique
In the lithium battery industry of new energy, battery is during being made if sealing is bad or close at battery liquid-filling mouth
Envelope has vapor not tight and enters inside battery to influence the electrical property of battery.
Utility model content
The purpose of the disclosure includes providing a kind of battery case component, and good seal performance can be improved the safety of product
Performance.
The purpose of the disclosure further includes providing a kind of battery, the battery case component for using the disclosure to provide, electrical property
It is strong with security performance.
It is that it is realized by adopting the following technical scheme that the disclosure, which solves its technical problem:
A kind of battery case component that the disclosure provides, including shell and sealing element, the shell is hollow structure, described
One end of shell offers liquid injection hole, and the aperture of the liquid injection hole reduces from outside to inside, and forms big opening end on the outside, in inside
Osculum end is formed, the osculum end is connected to the cavity of the shell；The end face of the sealing element is arcwall face, the sealing element
The liquid injection hole is protruded into, the periphery wall of the sealing element is bonded with the internal perisporium of the liquid injection hole, described in the arcwall face sealing
Osculum end.
Further, the sealing element includes sealing glue stick and ball sealer, and the ball sealer is set to the sealing glue stick
One end, the surface of the ball sealer forms the arcwall face.
Further, one end of the sealing glue stick is tapered, and the ball sealer is set to the cone tip part of the taper, and
And the diameter of the ball sealer is greater than the diameter of the cone.
Further, the sealing glue stick includes the first conical section of coaxial arrangement and the first cylindrical portion, liquid injection hole include
Second conical section and the second cylindrical portion；The outer surface of first conical section is bonded with the inner surface of second conical section, institute
Ball sealer is stated to connect with the cone of first conical section.
Further, the sealing element further includes diaphragm seal, and the diaphragm seal is set to the sealing glue stick far from described
One end of ball sealer, the diaphragm seal cover the big opening end and are fixedly connected with the shell.
Further, accommodation groove is also provided on the shell, the accommodation groove is connected to the liquid injection hole, the sealing
Piece is placed in the accommodation groove.
Further, the diaphragm seal, the sealing glue stick and ball sealer coaxial arrangement.
Further, the diaphragm seal is made of metal material, and the sealing glue stick and the ball sealer are integrally formed,
And it is made of rubber material.
Further, the sealing element is solid construction.
A kind of battery provided by the utility model, including explosion-proof valve and the battery case component.
The battery case component includes shell and sealing element, and the shell is hollow structure, and one end of the shell is opened
Equipped with liquid injection hole, the aperture of the liquid injection hole reduces from outside to inside, and forms big opening end on the outside, forms osculum end in inside,
The osculum end is connected to the cavity of the shell；The end face of the sealing element is arcwall face, and the sealing element protrudes into the note
Fluid apertures, the periphery wall of the sealing element are bonded with the internal perisporium of the liquid injection hole, and the arcwall face seals the osculum end.
Be also provided with explosionproof hole on the shell, the explosionproof hole and the liquid injection hole spacing side by side are arranged, and with it is described
The cavity of shell is connected to, and the explosion-proof valve is installed at the explosionproof hole.
The beneficial effect of the embodiment of the present disclosure is:
The battery case component that the disclosure provides can inject electrolyte into the cavity of shell by liquid injection hole, due to note
The aperture of fluid apertures reduces from outside to inside, and when injecting electrolyte, the peripheral wall of liquid injection hole can play the guiding role to electrolyte, fluid injection
After the completion, sealing element protrudes into liquid injection hole, and arcwall face can seal the osculum end of liquid injection hole, also, the periphery wall energy of sealing element
Enough and liquid injection hole internal perisporium fitting forms double sealing structure to seal liquid injection hole, guarantees sealing effect, can be improved production
The security performance of product.
The battery that the disclosure provides, due to the battery case component provided using the disclosure, the periphery wall of sealing element can
It is bonded with the internal perisporium of liquid injection hole, to seal liquid injection hole, forms double sealing structure, sealing effect is good, can prevent vapor
Into inside battery, to further increase battery performance.Can preferable electrical property and security performance it is strong.
Detailed description of the invention
It, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution of the embodiment of the present disclosure
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiment of the disclosure, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the battery case component that disclosure specific embodiment provides.
Fig. 2 is the structural schematic diagram of the shell for the battery case component that disclosure specific embodiment provides.
Fig. 3 is the schematic diagram of the section structure of the shell for the battery case component that disclosure specific embodiment provides.
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Fig. 5 is the structural schematic diagram of the sealing element for the battery case component that disclosure specific embodiment provides.
Icon: 100- battery case component；110- shell；101- cavity；112- liquid injection hole；102- big opening end；103- is small
Mouth end；The second conical section of 1121-；The second cylindrical portion of 1123-；1124- accommodation groove；113- explosionproof hole；114- electrode；120- is close
Sealing；121- sealing glue stick；1211- cone；The first conical section of 1212-；The first cylindrical portion of 1213-；122- ball sealer；123-
Diaphragm seal.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present disclosure clearer, below in conjunction with the embodiment of the present disclosure
In attached drawing, the technical solution in the embodiment of the present disclosure is clearly and completely described, it is clear that described embodiment is
Disclosure a part of the embodiment, instead of all the embodiments.The disclosure being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the disclosure provided in the accompanying drawings is not intended to limit below claimed
The scope of the present disclosure, but be merely representative of the selected embodiment of the disclosure.Based on the embodiment in the disclosure, this field is common
Disclosure protection all should belong in technical staff's every other embodiment obtained without creative efforts
Range.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the disclosure, it should be noted that the orientation or positional relationship of the instructions such as term " on " is based on attached
Orientation or positional relationship shown in figure or the disclosure product using when the orientation or positional relationship usually put, be only for
Convenient for the description disclosure and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the disclosure.
In addition, term " first ", " second ", " third " and " the 4th " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the disclosure, it is also necessary to which explanation, unless in addition having more specific regulation and limiting, term " is set
Set ", " connection " more broadly understanding should be done, for example, " connection " may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the disclosure.
With reference to the accompanying drawing, it elaborates to an embodiment of the disclosure, it is in the absence of conflict, following
Feature in embodiment can be combined with each other.
Fig. 1 is the structural schematic diagram of battery case component 100 provided in this embodiment.Fig. 1 is please referred to, the present embodiment discloses
A kind of battery (not shown), in particular a kind of lithium battery comprising explosion-proof valve (not shown) and battery case component 100.It is anti-
Quick-fried valve is mounted on battery case component 100.
It should be noted that due to using the battery case component 100, battery electrical property and safety disclosed in the present embodiment
Performance is preferable.
Wherein, battery case component 100 includes shell 110 and sealing element 120.Shell 110 is used for fluid injection, and is provided with
Electrode 114.Sealing element 120 and explosion-proof valve are installed on the shell 110.
Fig. 2 is the structural schematic diagram of the shell 110 of battery case component 100 provided in this embodiment.Referring to figure 2., originally
The generally rectangular shaped body shape of embodiment shell 110, shell 110 are hollow structure, have cavity 101, for accommodating electrolyte.
In the present embodiment, electrode 114 is installed on one end of shell 110.Also, it is also spaced apart on shell 110 and is equipped with fluid injection
Hole 112 and explosionproof hole 113.Liquid injection hole 112 and explosionproof hole 113 are connected to cavity 101 respectively.It should be noted that liquid injection hole
112 are used for fluid injection, and explosionproof hole 113 is for installing explosion-proof valve.
In the present embodiment, liquid injection hole 112 and explosionproof hole 113 are set between two electrodes 114.
Fig. 3 is the schematic diagram of the section structure of the shell 110 of battery case component 100 provided in this embodiment.Fig. 4 is Fig. 3
Enlarged drawing at middle A.Incorporated by reference to referring to Fig. 3 and Fig. 4, in the present embodiment, the aperture of liquid injection hole 112 reduces from outside to inside, and
Outside forms big opening end 102, forms osculum end 103 in inside, osculum end 103 is connected to the cavity 101 of shell 110.
It should be noted that liquid injection hole 112 includes interconnected the second conical section 1121 and the second cylindrical portion 1123, the
Two cylindrical portions 1123 are in communication with the outside.
It is understood that the aperture of the second conical section 1121 is gradually reduced from top to bottom, can make and sealing element 120
Stronger squeezing action power is generated when cooperation.
In the present embodiment, the installation in order to facilitate sealing element 120 is fixed, and in the present embodiment, appearance is also provided on shell 110
Slot 1124 is set, accommodation groove 1124 is connected to liquid injection hole 112.Wherein accommodation groove 1124 is also cylindrical, the internal diameter of accommodation groove 1124
Greater than the internal diameter of liquid injection hole 112.
It should be noted that accommodation groove 1124, the second conical section 1121 and the concentric setting of the second cylindrical portion 1123.
Fig. 5 is the structural schematic diagram of the sealing element 120 of battery case component 100 provided in this embodiment.Referring to figure 5.,
In the present embodiment, sealing element 120 is solid construction.
Sealing element 120 includes sealing glue stick 121 and ball sealer 122, and ball sealer 122 is set to one end of sealing glue stick 121,
The surface of ball sealer 122 forms arcwall face, and arcwall face is used to seal the osculum end 103 of liquid injection hole 112.
It is understood that sealing glue stick 121 is used for and the peripheral wall of liquid injection hole 112 is bonded, to enhance leakproofness.
As an implementation, one end of sealing glue stick 121 is tapered, and ball sealer 122 is set to the cone of taper
At 1211, and the diameter of ball sealer 122 is greater than the diameter of cone 1211.It is understood that this structure enable to it is close
Blocking 122 has certain deformation cavity 101, to enhance sealing performance.
Optionally, sealing glue stick 121 includes the first conical section 1212 and the first cylindrical portion 1213 of coaxial arrangement, ball sealer
122 connect with the cone 1211 of the first conical section 1212.
In the present embodiment, the outer surface of the first conical section 1212 is bonded with the inner surface of the second conical section 1121.First cone
The outer surface of shape section 1212 is bonded with the inner surface of the second conical section 1121,
Installation in order to facilitate sealing element 120 and shell is fixed, and in the present embodiment, sealing element 120 further includes diaphragm seal
123, diaphragm seal 123 is set to the one end of sealing glue stick 121 far from ball sealer 122, diaphragm seal 123 cover big opening end 102 and with
Shell 110 is fixedly connected.
It is understood that diaphragm seal 123 is placed in accommodation groove 1124.
Optionally, diaphragm seal 123, sealing glue stick 121 and ball sealer 122 are coaxially disposed.
Furthermore, it is desirable to illustrate, in the present embodiment, diaphragm seal 123 is made of metal material, 121 He of sealing glue stick
Ball sealer 122 is integrally formed, and is made of rubber material.
As an implementation, diaphragm seal 123 and shell weld.
As long as it is understood that can guarantee the sealing performance of liquid injection hole 112 on sealing element 120 and shell 110, can
In the embodiment of choosing, the shape and structure of sealing element 120 can have different variations, such as the end face of sealing element 120 is arcwall face, close
Sealing 120 protrudes into liquid injection hole 112, and the periphery wall of sealing element 120 is bonded with the internal perisporium of liquid injection hole 112, and arcwall face seals osculum
End 103.
Battery disclosed in the present embodiment is in use, can inject electrolyte from liquid injection hole 112, at this point, the week of liquid injection hole 112
Wall can play the guiding role to electrolyte, and explosion-proof valve is then installed on explosionproof hole 113, and sealing element 120 is finally protruded into fluid injection
Hole 112 is bonded the arcwall face of ball sealer 122 with the osculum end 103 of liquid injection hole 112, and further squeeze sealing member 120, makes
Ball sealer 122 seals osculum end 103, and pastes the outer surface of the first conical section 1212 and the inner surface of the second conical section 1121
It closes, the outer surface of the first conical section 1212 is bonded with the inner surface of the second conical section 1121, guarantees good sealing performance, finally
Diaphragm seal 123 and shell 110 are welded.
It is understood that this multiple sealing structure enables to cell sealing more tight, can preferably hinder
Sealing steam enters inside battery, to further increase battery performance.
To sum up, battery case component 100 disclosed in the present embodiment can be by liquid injection hole 112 to the cavity 101 of shell 110
Middle injection electrolyte, since the aperture of liquid injection hole 112 reduces from outside to inside, the peripheral wall energy of liquid injection hole 112 when injecting electrolyte
Enough to play the guiding role to electrolyte, after the completion of fluid injection, sealing element 120 is protruded into liquid injection hole 112, and arcwall face can seal liquid injection hole
112 osculum end 103, also, the periphery wall of sealing element 120 can be bonded with the internal perisporium of liquid injection hole 112, to seal liquid injection hole
112, double sealing structure is formed, guarantees sealing effect, can be improved the security performance of product.
This described open battery, due to the battery case component 100, the periphery wall of sealing element 120 can be with liquid injection hole 112
Internal perisporium fitting form double sealing structure, sealing effect is good, vapor can be prevented to enter electricity to seal liquid injection hole 112
Inside pond, to further increase battery performance.Can preferable electrical property and security performance it is strong.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of battery case component, which is characterized in that including shell and sealing element, the shell is hollow structure, the shell
One end of body offers liquid injection hole, and the aperture of the liquid injection hole reduces from outside to inside, and forms big opening end on the outside, in inside shape
At osculum end, the osculum end is connected to the cavity of the shell；The end face of the sealing element is arcwall face, and the sealing element is stretched
Enter the liquid injection hole, the periphery wall of the sealing element is bonded with the internal perisporium of the liquid injection hole, and the arcwall face sealing is described small
Mouth end.
2. battery case component as described in claim 1, which is characterized in that the sealing element includes sealing glue stick and sealing
Ball, the ball sealer are set to one end of the sealing glue stick, and the surface of the ball sealer forms the arcwall face.
3. battery case component as claimed in claim 2, which is characterized in that one end of the sealing glue stick is tapered, described
Ball sealer is set to the cone tip part of the taper, and the diameter of the ball sealer is greater than the diameter of the cone.
4. battery case component as claimed in claim 3, which is characterized in that the sealing glue stick includes the first of coaxial arrangement
Conical section and the first cylindrical portion, liquid injection hole include the second conical section and the second cylindrical portion；The outer surface of first conical section with
The inner surface of second conical section is bonded, and the ball sealer is connect with the cone of first conical section.
5. battery case component as claimed in claim 2, which is characterized in that the sealing element further includes diaphragm seal, described close
Mounting is set to the one end of the sealing glue stick far from the ball sealer, the diaphragm seal cover the big opening end and with the shell
Body is fixedly connected.
6. battery case component as claimed in claim 5, which is characterized in that accommodation groove is also provided on the shell, it is described
Accommodation groove is connected to the liquid injection hole, and the diaphragm seal is placed in the accommodation groove.
7. battery case component as claimed in claim 5, which is characterized in that the diaphragm seal, the sealing glue stick and described
Ball sealer coaxial arrangement.
8. battery case component as claimed in claim 5, which is characterized in that the diaphragm seal is made of metal material, institute
It states sealing glue stick and the ball sealer is integrally formed, and be made of rubber material.
9. battery case component as described in claim 1, which is characterized in that the sealing element is solid construction.
10. a kind of battery, which is characterized in that including explosion-proof valve and battery case group as described in any one of claims 1-9
Part is also provided with explosionproof hole on the shell, and the explosionproof hole and the liquid injection hole spacing side by side are arranged, and with the shell
Cavity connection, the explosion-proof valve are installed at the explosionproof hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077447.5U CN209016182U (en) | 2018-12-11 | 2018-12-11 | Battery case component and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077447.5U CN209016182U (en) | 2018-12-11 | 2018-12-11 | Battery case component and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016182U true CN209016182U (en) | 2019-06-21 |
Family
ID=66843805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077447.5U Active CN209016182U (en) | 2018-12-11 | 2018-12-11 | Battery case component and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437452A (en) * | 2021-07-21 | 2021-09-24 | 珠海冠宇电池股份有限公司 | Battery electrolyte injection assembly and electrolyte injection system |
-
2018
- 2018-12-11 CN CN201822077447.5U patent/CN209016182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437452A (en) * | 2021-07-21 | 2021-09-24 | 珠海冠宇电池股份有限公司 | Battery electrolyte injection assembly and electrolyte injection system |
| CN113437452B (en) * | 2021-07-21 | 2022-08-30 | 珠海冠宇电池股份有限公司 | Battery electrolyte injection assembly and electrolyte injection system |
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