CN208336404U - Battery and its coping plate component - Google Patents
Battery and its coping plate component Download PDFInfo
- Publication number
- CN208336404U CN208336404U CN201821164878.9U CN201821164878U CN208336404U CN 208336404 U CN208336404 U CN 208336404U CN 201821164878 U CN201821164878 U CN 201821164878U CN 208336404 U CN208336404 U CN 208336404U
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- China
- Prior art keywords
- injection hole
- liquid injection
- coping plate
- auxiliary section
- cap
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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
This application involves energy storage device technical field more particularly to a kind of batteries and its coping plate component.The coping plate component includes coping plate, sealing block, cap and gasket, and the coping plate includes the main part being connected and auxiliary section, and the coping plate component has the liquid injection hole through setting；The sealing block and liquid injection hole sealing cooperate；The cap has cavity, and to accommodate the sealing block, the cap is detachably connected with the auxiliary section；The gasket is set to outside the liquid injection hole, and the cap and the main part are cooperated by gasket sealing.In coping plate component provided herein, the encapsulation process of liquid injection hole is relatively simple, and the sealing effect of liquid injection hole is preferable.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of batteries and its coping plate component.
Background technique
As technology develops, lithium ion battery be will be used wider and wider.In the production process of battery, fluid injection is must
An indispensable process is usually previously provided with liquid injection hole on the coping plate component of battery, in order to the progress of fluid injection process,
After fluid injection completion, the mode for generalling use welding blocks liquid injection hole.But due to remaining electrolysis on liquid injection hole hole wall
Liquid, it is possible that rosin joint phenomenon, this can have an adverse effect to the sealing effect at liquid injection hole.
Utility model content
This application provides a kind of battery and its coping plate component, with the liquid injection hole that solves current battery, there are sealing effects
Poor problem.
The first aspect of the application provides a kind of coping plate component of battery comprising coping plate, the coping plate packet
The main part being connected and auxiliary section are included, the coping plate component has the liquid injection hole through setting；
Sealing block, the sealing block and liquid injection hole sealing cooperate；
Cap, the cap have cavity, and to accommodate the sealing block, the cap and the auxiliary section are removable
Unload connection；
Gasket, the gasket are set to outside the liquid injection hole, and the cap and the main part are described in
Gasket sealing cooperation.
Optionally, auxiliary section protrusion is set to the main part, and the liquid injection hole is through the main part and described
Auxiliary section.
Optionally, along the radial direction of the liquid injection hole, the auxiliary section is concordant with the main part to be arranged, and the liquid injection hole is set
It is placed in the auxiliary section, along the axial direction of the liquid injection hole, at least part of the cap is protruded into the auxiliary section.
Preferably, the main part has heavy platform；The cap includes lid and joint portion, and the lid connects with described
The connection of conjunction portion, the cavity are set to the joint portion；
The heavy platform is set to outside the auxiliary section, and concordant with the auxiliary section, and the liquid injection hole is set to described match
Conjunction portion, the gasket are sheathed on outside the joint portion, and are located between the heavy platform and the lid.
Preferably, the lid and the gasket are all set in the heavy platform, along the radial direction of the liquid injection hole, the lid
Body is concordant with the main part to be arranged.
Preferably, the auxiliary section includes matrix and retention bead, and the liquid injection hole runs through described matrix and the limit
Protrusion, described matrix are detachably connected with the cap, along the axial direction of the liquid injection hole, the relatively described note of the retention bead
Fluid apertures protrusion setting, the retention bead and the sealing block cooperate along the axial limiting.
Preferably, the cap and auxiliary section clamping connect.
Preferably, the cap is threadedly coupled with the auxiliary section.
Preferably, the auxiliary section and the main part are integrally formed.
The second aspect of the application provides a kind of battery comprising coping plate group provided by shell and any of the above-described
Part, the shell have accommodating chamber, and the coping plate component is covered on the shell.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
In coping plate component provided herein, is blocked in liquid injection hole and be provided with sealing block, this can be to a certain degree
Upper sealing liquid injection hole；Meanwhile it being additionally provided with the cap being detachably connected with coping plate in the coping plate component, this is convenient for
To the work that liquid injection hole is blocked, and it can prevent sealing block from deviating from out of liquid injection hole；In addition, being also set up in coping plate component
There is gasket, so that cap and coping plate sealing cooperate, to further promote the sealing effect to liquid injection hole.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is the structure diagram of battery provided by the embodiment of the present application.
Fig. 2 is the decomposition diagram of part in a kind of structure of coping plate component provided by the embodiment of the present application；
Fig. 3 is the cross-sectional view of part in structure shown in fig. 1；
Fig. 4 is the decomposition diagram of part in another structure of coping plate component provided by the embodiment of the present application；
Fig. 5 be Fig. 4 shown in structure in part cross-sectional view；
Fig. 6 is the decomposition diagram of part in another structure of coping plate component provided by the embodiment of the present application；
Fig. 7 be Fig. 6 shown in structure in part cross-sectional view；
Fig. 8 is the schematic cross-sectional view of part in the yet another construction of coping plate component provided by the embodiment of the present application.
Appended drawing reference:
1- coping plate；
10- liquid injection hole；
11- main part；
111- heavy platform；
The auxiliary section 12-；
121- matrix；
122- retention bead；
2- sealing block；
3- cap；
30- cavity；
31- lid；
311- dismounts hole；
The joint portion 32-；
4- gasket；
5- battery；
51- shell；
52- pole；
53- explosion-proof valve.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
As shown in Figure 1, battery 5 includes shell 51, pole 52, explosion-proof valve 53 and top this application provides a kind of battery 5
Cover plate component.Wherein, coping plate component can use the mode of welding to be fixedly connected on the opening of shell 51 to form encapsulation
Space, pole 52 and explosion-proof valve 53 are all set on coping plate component, and shell 51 has accommodating chamber, and accommodating chamber is for accommodating naked electricity
Core (not shown), pole 52 are connect with naked battery core.
As illustrated in figs. 2 through 8, the embodiment of the present application makes improvement to the structure of the coping plate component, to promote the coping plate group
The sealing effect of the liquid injection hole 10 of part.The coping plate component includes coping plate 1, sealing block 2, cap 3 and gasket 4, wherein
Coping plate 1 includes main part 11 and auxiliary section 12, and main part 11 and auxiliary section 12 are connected with each other, it is preferable that main part 11 and is matched
Conjunction portion 12 can be formed by metal material using integrally formed mode, this can promote bonding strength between the two, and can
To promote the processing efficiency of coping plate 1 to a certain extent；It is provided on coping plate component and is convenient for electrolyte implant operation
Liquid injection hole 10, liquid injection hole 10 run through coping plate component, to be connected to the inside of battery 5；Optionally, liquid injection hole 10 can be passed through only
Auxiliary section 12 is worn, can also be simultaneously through both main part 11 and auxiliary section 12, the shape and size of liquid injection hole 10 can root
It is determined according to actual demand.Sealing block 2 can be made of flexible materials such as rubber, and shape and size can be with the shape of liquid injection hole 10
Shape and size are corresponding, it is preferable that liquid injection hole 10 radially, the size of sealing block 2 can be slightly larger than liquid injection hole 10, thus
During assembling sealing block 2 and liquid injection hole 10, sealing block 2 and liquid injection hole 10 is made to form interference fit relation, lift-off seal
Sealing effect of the block 2 to liquid injection hole 10.In the use process of battery 5, in order to prevent because of pressure rise in battery 5, cause close
It seals 2 stress of block and deviates from out of liquid injection hole 10, cap 3, cap 3 are additionally provided in coping plate component provided herein
With cavity 30, a part of of sealing block 2 can be contained in cavity 30, and between cap 3 and the auxiliary section 12 of coping plate 1
It can be connected by the way of being detachably connected, under the action of cap 3, it is ensured that sealing block 2 substantially will not be from fluid injection
Abjection in hole 10；Meanwhile cap 3 can be opened using after a period of time in battery 5, electricity is supplemented into liquid injection hole 10
Solve liquid.Specifically, as shown in Fig. 3, Fig. 5 and Fig. 7, can be connected by the way of being threadedly coupled between cap 3 and auxiliary section 12
It connects, in the subsequent use process of battery 5, even if generating pressure increase due to gas inside battery 5, sealing block 2 has from fluid injection
The trend deviate from hole 10 and when applying biggish extruding force to cap 3, this connection type is also more reliable, can guarantee
The relationship being fixedly connected is maintained between cap 3 and auxiliary section 12；Optionally, as shown in figure 8, cap 3 and auxiliary section 12 it
Between can also using be engaged by clamping by the way of connect, this connection type is relatively simple, and assembly working is relatively simple, and in battery
5 internal pressures in a certain range when, this connection structure is it is also ensured that the connection between cap 3 and auxiliary section 12 is reliable
Property.In order to further enhance the sealing performance of liquid injection hole 10, gasket 4 is additionally provided in coping plate component, gasket 4 can be adopted
It is made of flexible material, structure snd size can be designed according to the shape and size of auxiliary section 12 or cap 3 are corresponding, sealing
Pad 4 is arranged outside liquid injection hole 10, specifically can be set between cap 3 and auxiliary section 12 or cap 3 and main part 11
Between, the setting of gasket 4 can promote the sealing performance between cap 3 and coping plate 1, and then promote the close of liquid injection hole 10
Seal effect.It should be noted that the radial direction of liquid injection hole 10 is perpendicular to liquid injection hole 10 in the case where liquid injection hole 10 is not circular hole
Axially direction.
From the foregoing, it will be observed that being blocked in liquid injection hole 10 in coping plate component provided herein and being provided with sealing block 2, this can
To seal liquid injection hole 10 to a certain extent；Meanwhile the envelope being detachably connected with coping plate 1 is additionally provided in the coping plate component
Capping 3, this is convenient for the work blocked to liquid injection hole 10, and can prevent sealing block 2 from deviating from out of liquid injection hole 10；Separately
Outside, it is additionally provided with gasket 4 in coping plate component, so that cap 3 and the sealing of coping plate 1 cooperate, thus further promotion pair
The sealing effect of liquid injection hole 10.
In order to guarantee that there is almost the same structural strength everywhere on coping plate 1 as far as possible, optionally, such as Fig. 2 and Fig. 3
Shown, auxiliary section 12, which can protrude, to be set on main part 11, in such a case, it is possible to make liquid injection hole 10 while through main body
Portion 11 and auxiliary section 12, auxiliary section 12 can select according to the actual situation in the size of 1 thickness direction of coping plate, this can also lead to
The size of increase auxiliary section 12 is crossed to increase the matching area between auxiliary section 12 and cap 3, further to promote cap 3
With the connection reliability between coping plate 1.Specifically, cap 3 can cover conjunction outside auxiliary section 12, be threadedly coupled therebetween
Or be connected together, for being threadedly coupled, external screw thread, the chamber of the cavity 30 of cap 3 has been can be set in the outside of auxiliary section 12
Internal screw thread compatible with aforementioned external screw thread can be set on wall, the two cooperates, cap 3 and auxiliary section 12 are connected
It is connected to together.
Preferably, as shown in Figure 4 and Figure 5, along the radial direction of liquid injection hole 10, auxiliary section 12 can be set and main part 11 is flat
Together, to reduce the maximum gauge of coping plate 1, to reduce installation space shared by entire coping plate component；Liquid injection hole 10 runs through
Auxiliary section 12 can make at least part of cap 3 stretch to auxiliary section 12 along the axial direction of liquid injection hole 10 in this embodiment
It is interior, to further decrease space shared by cap 3；It is alternatively possible to internal screw thread is formed on auxiliary section 12, correspondingly,
It can process on the part that cap 3 stretches to liquid injection hole 10 and be adapted with aforementioned internal screw thread by way of Vehicle Processing
External screw thread, so that cap 3 be allow to connect together by the way of being threadedly coupled with coping plate 1；Meanwhile making auxiliary section
The 12 this specific structures concordant with main part 11, can also prevent to a certain extent auxiliary section 12 from being damaged by external force
It is bad.
Further, cap 3 may include lid 31 and joint portion 32, and lid 31 is connect with joint portion 32, cavity 30
It is set on joint portion 32, specifically, lid 31 and joint portion 32 can be formed using integrally formed mode, and cap 3
It can also be formed by metal material, this can promote the service life of cap 3；Heavy platform 111 can be set on main part 11,
Heavy platform 111 is set to the outside of auxiliary section 12, and liquid injection hole 10 radially, auxiliary section 12 can be made concordant with heavy platform 111,
And liquid injection hole 10 is set through auxiliary section 12, it, can at the position where heavy platform 111 in assembled package lid 3 and auxiliary section 12
To promote the contact area between main part and auxiliary section and gasket, to be infused with further promotion for accommodating gasket 4
The sealing effect of fluid apertures 10；Preferably, along the axial direction of liquid injection hole 10, the size of gasket 4 can be made to be slightly larger than the ruler of heavy platform 111
It is very little, to guarantee that gasket 4 can play sealing effect in cap 3 and 1 extrusion fit of coping plate.Specifically, heavy platform 111
It can be formed together in the forming process of main part 11 with auxiliary section 12, to promote processing efficiency.Correspondingly, can match
It is respectively formed compatible internal screw thread and external screw thread on conjunction portion 12 and joint portion 32, in the axial direction of liquid injection hole 10, can make to connect
The size of conjunction portion 32 and auxiliary section 12 is of substantially equal.
It further, as shown in Figure 6 and Figure 7, can be by suitably increasing heavy platform 111 in the axial direction of liquid injection hole 10
Size, or the appropriate size for reducing gasket 4 and/or lid 31, so that after joint portion 32 and auxiliary section 12 cooperate, lid
Body 31 and gasket 4 are respectively positioned in heavy platform 111, that is to say, that after cap 3 and coping plate 1 are completed, along liquid injection hole
10 radial direction, lid 31 is concordant with main part 11, this can further reduce installation space shared by entire coping plate component；It is excellent
Selection of land can make the size of heavy platform 111 be equal to or slightly greater than the size of gasket 4 and lid 31 along the radial direction of liquid injection hole 10, from
And prevent from generating biggish gap between lid 31 and heavy platform 111, and cause external items to be piled up in aforementioned gap, or even pass through
Aforementioned gap enters in battery 5；Preferably, the dismounting hole 311 of setting shape can be processed, on lid 31 in order to cap
3 installation and removal.
Further, as shown in Fig. 5 and Fig. 7, auxiliary section 12 may include matrix 121 and retention bead 122, matrix 121 with
Retention bead 122 is sequentially distributed along the axial direction of liquid injection hole 10, and the two is connect with main part 11, and liquid injection hole 10 runs through base simultaneously
Body 121 and retention bead 122, matrix 121 are detachably connected with cap 3；Along the axial direction of liquid injection hole 10,122 phase of retention bead
Liquid injection hole 10 is protruded and is arranged, to be cooperated during sealing block 2 and liquid injection hole 10 cooperate by being limited with sealing block 2
Retention bead 122, sealing block 2 can be prevented along the axial movement of liquid injection hole 10, or even fall into battery 5.Specifically, it limits
Protrusion 122 can be cyclic structure, can be formed, be limited using integrally formed mode with matrix 121 and main part 11
The size and specific shape of protrusion 122 can determine according to actual needs.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of coping plate component of battery characterized by comprising
Coping plate, the coping plate include the main part being connected and auxiliary section, and the coping plate component has through setting
Liquid injection hole；
Sealing block, the sealing block and liquid injection hole sealing cooperate；
Cap, the cap have cavity, and to accommodate the sealing block, the cap detachably connects with the auxiliary section
It connects；
Gasket, the gasket are set to outside the liquid injection hole, and the cap and the main part pass through the sealing
Pad sealing cooperation.
2. coping plate component according to claim 1, which is characterized in that the auxiliary section protrusion is set to the main body
Portion, the liquid injection hole run through the main part and the auxiliary section.
3. coping plate component according to claim 1, which is characterized in that along the radial direction of the liquid injection hole, the auxiliary section
Concordant with the main part to be arranged, the liquid injection hole is set to the auxiliary section, along the axial direction of the liquid injection hole, the cap
At least part protrude into the auxiliary section.
4. coping plate component according to claim 1, which is characterized in that the main part has heavy platform；The cap
Including lid and joint portion, the lid is connect with the joint portion, and the cavity is set to the joint portion；
The heavy platform is set to outside the auxiliary section, and concordant with the auxiliary section, and the liquid injection hole is set to the auxiliary section,
The gasket is sheathed on outside the joint portion, and is located between the heavy platform and the lid.
5. coping plate component according to claim 4, which is characterized in that the lid and the gasket are all set in institute
Heavy platform is stated, along the radial direction of the liquid injection hole, the lid is concordant with the main part to be arranged.
6. coping plate component according to claim 1, which is characterized in that the auxiliary section includes matrix and retention bead,
The liquid injection hole runs through described matrix and the retention bead, and described matrix is detachably connected with the cap, along the note
The axial direction of fluid apertures, the relatively described liquid injection hole protrusion setting of the retention bead, the retention bead and the sealing block are described in
Axial limiting cooperation.
7. coping plate component according to claim 1, which is characterized in that the cap and auxiliary section clamping connect
It connects.
8. coping plate component according to claim 1, which is characterized in that the cap and the auxiliary section screw thread connect
It connects.
9. coping plate component according to claim 1, which is characterized in that the auxiliary section and the main part one at
Type.
10. a kind of battery, which is characterized in that including coping plate component described in any one of shell and claim 1-9, institute
Shell is stated with accommodating chamber, the coping plate component is covered on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164878.9U CN208336404U (en) | 2018-07-23 | 2018-07-23 | Battery and its coping plate component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164878.9U CN208336404U (en) | 2018-07-23 | 2018-07-23 | Battery and its coping plate component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336404U true CN208336404U (en) | 2019-01-04 |
Family
ID=64784365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821164878.9U Active CN208336404U (en) | 2018-07-23 | 2018-07-23 | Battery and its coping plate component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208336404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081966A (en) * | 2019-11-21 | 2020-04-28 | 国轩新能源(庐江)有限公司 | Lithium ion cylindrical battery and processing method thereof |
| CN114930636A (en) * | 2020-09-02 | 2022-08-19 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery monomer, battery, power utilization device and liquid injection method |
| CN116565408A (en) * | 2023-07-11 | 2023-08-08 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and power utilization device |
-
2018
- 2018-07-23 CN CN201821164878.9U patent/CN208336404U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081966A (en) * | 2019-11-21 | 2020-04-28 | 国轩新能源(庐江)有限公司 | Lithium ion cylindrical battery and processing method thereof |
| CN111081966B (en) * | 2019-11-21 | 2022-10-11 | 国轩新能源(庐江)有限公司 | Lithium ion cylindrical battery and processing method thereof |
| CN114930636A (en) * | 2020-09-02 | 2022-08-19 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery monomer, battery, power utilization device and liquid injection method |
| CN116565408A (en) * | 2023-07-11 | 2023-08-08 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and power utilization device |
| CN116565408B (en) * | 2023-07-11 | 2023-11-28 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and power utilization device |
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