CN206353550U - Housing insulation and sealing structure - Google Patents
Housing insulation and sealing structure Download PDFInfo
- Publication number
- CN206353550U CN206353550U CN201720491720.1U CN201720491720U CN206353550U CN 206353550 U CN206353550 U CN 206353550U CN 201720491720 U CN201720491720 U CN 201720491720U CN 206353550 U CN206353550 U CN 206353550U
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- CN
- China
- Prior art keywords
- housing
- annular
- end cap
- sealing
- roll core
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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 discloses a kind of housing insulation and sealing structure, belong to energy storage device field.The housing insulation and sealing structure includes electrode lead-out structure, housing and the insulating washer being arranged between the electrode lead-out structure and housing and the annular sealing gaskets for being arranged at insulating washer lower end, the end cap is provided with first annular breach on the end face outer away from electrode roll core, the end cap is provided with the second annular breach on the end face outer of electrode roll core, the upper end of the insulating washer is ridden upon on the step surface of first annular breach, position corresponding between end cap and the end face of electrode roll core is provided with the deformation fold caved inward on the housing, the groove being engaged with deformation fold is formed with annular sealing gaskets, the groove causes two parts in annular sealing gaskets positioned at groove both sides to be respectively arranged on the step surface of the second annular breach between the periphery of end cap and the endoporus of housing.The utility model is simple in construction, with low cost and dependable performance.
Description
Technical field
The utility model is related to the insulated enclosure technical field of energy storage device, particularly relates to a kind of housing insulated enclosure knot
Structure.
Background technology
Battery or ultracapacitor are widely used in the fields such as industry, the energy, military affairs as energy storage device.Wherein seal
With the key link insulated as production process, the general seal and insulating part used with certain structure enters to energy storage device
Row sealing and insulation.The seal of different structure is different with insulation mode with the sealing of insulating part, the insulated enclosure effect of generation
Also it is different.Security performance using which kind of housing insulation and sealing structure not only to energy storage device plays vital effect, right
The performance of energy storage device and life-span also have a major impact.
Conventional housing insulation and sealing structure has following two structure types at present, the first structure type such as Fig. 1 institutes
Show, O-ring 3 ' is placed in the shaft shoulder lower surface of end cap 1 ' by the housing insulation and sealing structure, the embedded step upper surface with housing 4 '
Between carry out encapsulation process, be respectively placed in the embedded of the shaft shoulder upper surface of collector plate 5 ' and housing 4 ' using 2 insulating washers 2 '
Insulation processing is carried out between step lower surface, between the sealing end face of the shaft shoulder upper surface of end cap 1 ' and housing 4 '.The housing is exhausted
Insulation processing is carried out using 2 insulating washers in edge sealing structure, required part is more, manufacture and assembly cost are higher.
Second of housing insulation and sealing structure is as shown in Fig. 2 the housing insulation and sealing structure is between end cap 8 and housing 1 "
Insulator seal ring 2 " is arranged, by carrying out slot rolling and to housing to position corresponding with the unit with grooves in outer wall of end cap 1 " on housing 1 "
1 ", which carries out sealing treatment, realizes sealing and insulate.Using the housing insulation and sealing structure sealing ring 2 " because shape is more special can only
Be customized, and sealing area is larger, material requested is more, and the material of sealing ring 2 " is more special, price costly, so absolutely
The manufacturing cost of edge sealing ring is 3-4 times of general general seal, is produced in enormous quantities, and cost is too high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, with low cost and dependable performance shell
Body insulation and sealing structure.
In order to solve the above technical problems, the utility model offer technical scheme is as follows：
A kind of housing insulation and sealing structure, including be made up of end cap and collector electrode lead-out structure, be set in it is described
The housing of electrode lead-out structure periphery and the insulating seal being arranged between the electrode lead-out structure and housing, the insulation
Seal includes insulating washer and is arranged at the annular sealing gaskets of the insulating washer lower end, and the end cap is away from electrode roll core
End face outer on be provided with first annular breach, the end cap is provided with the second annular on the end face outer of electrode roll core
Breach, the upper end of the insulating washer is ridden upon on the step surface of the first annular breach, with the end cap on the housing
Corresponding position is provided with shape in the deformation fold caved inward, the annular sealing gaskets between the end face of electrode roll core
The groove that fold is engaged is deformed described in Cheng Youyu, the groove to be located at the groove both sides in the annular sealing gaskets
Two parts be respectively arranged on the step surface of the described second annular breach between the periphery of the end cap and the endoporus of housing.
Further, the outer circumference diameter of the annular sealing gaskets is more than the diameter of bore of the housing.
Further, the ring along the edge extension of the end cap is convexly equipped with the outside of the step surface of the first annular breach
Shape is raised, and the upper end of the insulating washer is wrapped in the outside of the annular protrusion and rides upon the platform of the first annular breach
On terrace.
Further, the end cap is provided with the first blind hole, the periphery set of the collector close to the end of electrode roll core
It is located in first blind hole, the end of the collector is used to weld with electrode roll core.
Further, the end of the end cap be provided with first blind hole is coaxial and diameter to be less than described first blind
The ladder hole of the diameter in hole.
The utility model has the advantages that：
Compared with prior art, housing insulation and sealing structure of the present utility model by housing and electrode lead-out structure it
Between set insulating washer and annular sealing gaskets to carry out insulated enclosure processing, annular sealing gaskets is being inserted to the mistake of enclosure interior
Cheng Zhong, it is stepped that annular sealing gaskets is deformed into its flake shape by axial compression, then carries out slight slot rolling to housing
Deformation fold is formed, when carrying out slot rolling to housing, annular sealing gaskets by housing because being squeezed in itself and deformation fold pair
The groove being engaged with the deformation fold is formed on the position answered, the second annular that annular sealing gaskets is thereby secured to end cap lacks
On the step surface of mouth and between the periphery of end cap and the endoporus of housing, and then axial limiting of the end cap in housing is realized, this
Structure has saved the materials'use amount of insulating washer while insulating properties and sealing is ensured；And the utility model is used
The mode that insulating washer and annular sealing gaskets are separately handled so that insulating washer not with electrolyte contacts, insulating washer adopts
Insulating requirements can be met with general material, annular sealing gaskets is general-purpose device, and model is smaller, reduces cost.This
The housing insulation and sealing structure of utility model is simple, and annular sealing gaskets deflection is easily controllable, and sealing uniformity is preferable, substantially
It is not in unqualified phenomenon.
Brief description of the drawings
Fig. 1 is the structural representation of the first housing insulation and sealing structure in the prior art；
Fig. 2 is the structural representation of second of housing insulation and sealing structure in the prior art；
Fig. 3 is the structural representation of housing insulation and sealing structure of the present utility model；
Fig. 4 is the structural representation of end cap in housing insulation and sealing structure of the present utility model.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model provides a kind of housing insulation and sealing structure, as shown in Figure 3 and Figure 4, including by end cap 4 and collector
5 constitute electrode lead-out structures, be set in the housing 1 of electrode lead-out structure periphery and be arranged at electrode lead-out structure and housing 1
Between insulating seal, insulating seal includes insulating washer 3 and is arranged at the annular sealing gaskets 2 of the lower end of insulating washer 3,
End cap 4 is provided with first annular breach 4-1, end face of the end cap 4 close to electrode roll core 7 on the end face outer away from electrode roll core 7
The second annular breach 4-2 is provided with outer, 3 upper ends of insulating washer are ridden upon on first annular breach 4-1 step surface, shell
Position corresponding between the end face of end cap 4 and electrode roll core 7 is provided with the deformation fold 1-1 caved inward on body 1, annular
The groove 2-1 being engaged with deformation fold 1-1 is formed with gasket seal 2, groove 2-1 to be located in annular sealing gaskets 2
Two parts of groove 2-1 both sides be respectively arranged on the second annular breach 3-2 step surface and end cap 4 periphery and housing 1
Between endoporus.
Housing insulation and sealing structure of the present utility model between housing 1 and electrode lead-out structure by setting insulating washer
3 and annular sealing gaskets 2 carry out insulated enclosure processing, during annular sealing gaskets 2 is inserted into the inside of housing 1, annular
It is stepped that gasket seal 3 is deformed into its flake shape by axial compression, then carries out slight slot rolling shape to the periphery of housing 1
Into deformation fold 1-1, when carrying out slot rolling to housing 1, annular sealing gaskets 2 by housing 1 because being squeezed in itself and deformation pleat
Wrinkle 1-1 forms the groove 2-1 being engaged with deformation fold 1-1 on corresponding position, and annular sealing gaskets 2 is thereby secured to end
On the annular breach 4-2 of the second of lid 4 step surface and between the periphery of end cap 4 and the endoporus of housing 1, and then realize end cap 4
Axial limiting in housing 1, this structure is while insulating properties and sealing is ensured, having saved the material of insulating washer 3 makes
Consumption；And the utility model is by the way of insulating washer 3 and annular sealing gaskets 2 are separately handled so that insulating washer 3
Not with electrolyte contacts, insulating washer 3 can meet insulating requirements using general material, and annular sealing gaskets 2 is universal appliance
Part, and model is smaller, reduces cost.Housing insulation and sealing structure of the present utility model is simple, the deflection of annular sealing gaskets 2
Easily controllable, sealing uniformity is not in unqualified phenomenon substantially preferably.
It is preferred that, the outer circumference diameter of annular sealing gaskets 2 can be more than the diameter of bore of housing 1.This structure causes ring
Shape gasket seal 2 is during insertion housing 1 inside, and annular sealing gaskets 2 deforms its flake shape by axial compression
To be stepped, the upper end of annular sealing gaskets 2 is located between the periphery of end cap 4 and the endoporus of housing 1, makees with preferable sealing
With.
Further, the outside of first annular breach 4-1 step surface is preferably convexly equipped with the ring along the edge extension of end cap 4
Shape projection 4-3, the upper end of insulating washer 3 is wrapped in annular protrusion 4-3 outside and rides upon first annular breach 4-1 step
On face.Annular protrusion 4-3 is by the upward jack-up of the upper end bending part of insulating washer 3 and housing 1, in the sealing flange 1-2 of housing 1
The parcel on annular protrusion 4-3 is set with the positioning flange 3-1 of insulating washer 3 root, to form more preferable insulation
Sealing effectiveness.
On the premise of the memory space of electrolyte is ensured, in order that the connection area between end cap 4 and collector 5 is more
Greatly, connect more firm, end cap 4 is preferably provided with the first blind hole 4-4, the periphery set of collector 5 close to the end of electrode roll core 7
It is located in the first blind hole 4-4, the end of collector 5 is used to weld with electrode roll core 7.
It is preferred that, the end of end cap 4 can be provided with coaxial and diameter is less than the first blind hole 4-4 with the first blind hole 4-4
Diameter ladder hole 4-5.Ladder hole 4-5 is used to inject electrolyte between end cap 4 and collector 5, after the completion of fluid injection
Fluid injection plug is filled in ladder hole 4-5, and is that fluid injection plug is connected to realize sealing with end cap 4 by way of laser welding.
The utility model also provides a kind of energy storage device, as shown in figure 3, including electrode cores volume 7, flow collection sheet 8 and above-mentioned shell
Body insulation and sealing structure, wherein, positive electrode deriving structure preferably includes to be arranged at the interior of the lower surface of electrode roll core 7 and housing 1
Flow collection sheet 8 between the lower surface in hole, the upper end of flow collection sheet 8 is provided with the second blind hole, and the interference inserting of electrode roll core 7 is blind second
In hole, the periphery of flow collection sheet 8 is interference fitted with the endoporus of housing 1, and flow collection sheet 8 is set in the endoporus of housing 1, under housing 1
End is wholely set the boss 1-3 as positive pole.This electrode lead-out structure compact dimensions, connected mode is reliable.
Energy storage device of the present utility model is assembled using following steps：
Step 1：The upper surface of collector 5 and electrode roll core 7 is welded；
Step 2：End face by end cap 4 close to electrode roll core 7 is welded with collector 5；
Step 3：Annular sealing gaskets 2 is placed on the second annular breach 4-2 of end cap 4 step surface；
Step 4：The electrode roll core 7 for being fixedly connected with end cap 4 with being placed with annular sealing gaskets 2 is inserted in housing 1；
In this step, electrode roll core 7 insert housing 1 during, annular sealing gaskets 2 by axial compression make its by
Flake shape is deformed into stepped, and a part for the annular sealing gaskets 2 after deforming is arranged at the second annular breach 4-2's
On step surface, another part is arranged between the endoporus of the periphery of end cap 4 and housing 1.
Step 5：On the outer peripheral face of housing 1 with end cap 4 close to electrode roll core 7 end face and electrode roll core 7 end face it
Between corresponding position inwardly extruding or roll, with by the deformation fold 1-1 produced on housing 1 in annular sealing gaskets 2
Squeeze out the groove coordinated with deformation fold；
Step 6：Insulating washer 3 is arranged between the endoporus of the periphery of end cap 4 and housing 1, and makes the upper end of insulating washer 3
On the step surface for riding upon first annular breach 4-1；
Step 7：Mechanical pressure is applied along its axis direction to the openend of housing 1, the openend of housing 1 is formed inwardly
Sealing flange 1-2, the upper end of insulating washer 3 is pressed on first annular breach 4-1 step surface by sealing flange 1-2, real
Now seal；
Step 8：Energy storage device after sealing is dried, 24~96 hours of drying time；
Step 9：Fluid injection is carried out to dried energy storage device, reservoir quantity is 5~10g/Ah, afterwards in the note of energy storage device
Fluid injection plug 6 is set in fluid apertures, and fluid injection plug 6 is fixedly connected with end cap 4 by realization sealing using welding connecting mode.
Above is preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of housing insulation and sealing structure, including be made up of end cap and collector electrode lead-out structure, be set in the electricity
The housing of pole deriving structure periphery and the insulating seal being arranged between the electrode lead-out structure and housing, its feature exist
In the insulating seal includes insulating washer and is arranged at the annular sealing gaskets of the insulating washer lower end, the end cap
First annular breach is provided with end face outer away from electrode roll core, the end cap is set on the end face outer of electrode roll core
The second annular breach is equipped with, the upper end of the insulating washer is ridden upon on the step surface of the first annular breach, the housing
Upper position corresponding between the end cap and the end face of electrode roll core is provided with the deformation fold caved inward, the annular
The groove being engaged with the deformation fold is formed with gasket seal, the groove to be located in the annular sealing gaskets
Two parts of the groove both sides be respectively arranged on the step surface of the described second annular breach and the end cap periphery and shell
Between the endoporus of body.
2. housing insulation and sealing structure according to claim 1, it is characterised in that the periphery of the annular sealing gaskets is straight
Footpath is more than the diameter of bore of the housing.
3. housing insulation and sealing structure according to claim 1, it is characterised in that the step surface of the first annular breach
Outside be convexly equipped with along the end cap edge extension annular protrusion, the upper end of the insulating washer is wrapped in the convex annular
Rise outside and ride upon on the step surface of the first annular breach.
4. according to any described housing insulation and sealing structure in claims 1 to 3, it is characterised in that the end cap is close to electricity
The end of pole core is provided with the first blind hole, and the periphery of the collector is set in first blind hole, the collector
End is used to weld with electrode roll core.
5. housing insulation and sealing structure according to claim 4, it is characterised in that the end of the end cap is provided with and institute
State the first blind hole coaxially and diameter is less than the ladder hole of the diameter of first blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491720.1U CN206353550U (en) | 2017-05-05 | 2017-05-05 | Housing insulation and sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491720.1U CN206353550U (en) | 2017-05-05 | 2017-05-05 | Housing insulation and sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353550U true CN206353550U (en) | 2017-07-25 |
Family
ID=59349522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720491720.1U Active CN206353550U (en) | 2017-05-05 | 2017-05-05 | Housing insulation and sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206353550U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970580A (en) * | 2019-11-04 | 2020-04-07 | 黄凯 | Button cell and manufacturing method thereof |
| CN114284542A (en) * | 2021-12-28 | 2022-04-05 | 山西中科华孚汽车动力研究总院有限公司 | Battery manufacturing method and battery |
| WO2023039771A1 (en) * | 2021-09-15 | 2023-03-23 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electric apparatus, and method and device for preparing battery cell |
-
2017
- 2017-05-05 CN CN201720491720.1U patent/CN206353550U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970580A (en) * | 2019-11-04 | 2020-04-07 | 黄凯 | Button cell and manufacturing method thereof |
| WO2023039771A1 (en) * | 2021-09-15 | 2023-03-23 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electric apparatus, and method and device for preparing battery cell |
| CN114284542A (en) * | 2021-12-28 | 2022-04-05 | 山西中科华孚汽车动力研究总院有限公司 | Battery manufacturing method and battery |
| CN114284542B (en) * | 2021-12-28 | 2024-02-06 | 山西中科华孚电池研究总院有限公司 | Manufacturing method of battery and 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: 20171222 Address after: Diao town of Zhangqiu District of Ji'nan City, Shandong province 250204 Ji'nan Shengquan Company South Patentee after: Shandong Shengquan Amperex Technology Limited Address before: 250204 Ji'nan City, Shandong Province, Diao Zhen Industrial Economic Development Zone, Zhangqiu Patentee before: Shengquan Group Co., Ltd., Ji'nan City |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180604 Address after: 250204 Shandong province Ji'nan Zhangqiu District Diao town Ji'nan Holy Spring Company South Patentee after: Shandong Shengquan Amperex Technology Limited Address before: 250204 Industrial Development Zone, Diao Town, Zhangqiu, Ji'nan, Shandong Patentee before: Shengquan Group Co., Ltd., Ji'nan City |