CN206293484U - A kind of riveted battery cap sealing structure - Google Patents
A kind of riveted battery cap sealing structure Download PDFInfo
- Publication number
- CN206293484U CN206293484U CN201621404969.6U CN201621404969U CN206293484U CN 206293484 U CN206293484 U CN 206293484U CN 201621404969 U CN201621404969 U CN 201621404969U CN 206293484 U CN206293484 U CN 206293484U
- Authority
- CN
- China
- Prior art keywords
- felt pad
- battery cap
- electrode
- sealing structure
- riveted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The utility model is related to a kind of riveted battery cap sealing structure, including battery cap, electrode, sealing gasket and pole plate, it is characterised in that：The electrode is rivet arrangement, and the electrode is penetrated in the hole of top cover, felt pad, pole plate, and is fixed with clinching method.Wherein riveting electrode realizes linear sealing in expansion maximum position, reaches sealing effectiveness most preferably, finally meets under air-proof condition 1MPa air pressure, it is ensured that air-flow is within 30Pa/s.
Description
Technical field
The utility model is related to secondary cell field, more particularly to a kind of sealing structure of riveted secondary cell top cover.
Background technology
Secondary cell is rechargeable battery, is currently widely used in various equipment, the structure of secondary cell top cover
It is extremely important wherein.Secondary cell top cover needs to spill positive pole and two electrodes of negative pole, to be connected with the external world, filled,
Electric discharge.Internal electrode needs to draw pole plate, to be connected with battery core.
The structure one of which implementation of secondary cell top cover is riveted structure, wherein paying particular attention to meet it
The requirement of insulating properties and sealing.Need to ensure electrode, insulated between pole plate and battery cap.Guarantee to its sealing simultaneously
Be it is very important, it is necessary to ensure riveting top cover after, inside battery not with contacting external air.Therefore need to become after considering riveting
The effect of shape is, it is necessary to the design to its structure, especially electrode, sealing gasket has higher requirements.
Utility model content
The utility model is in view of the shortcomings of the prior art, there is provided a kind of sealing knot of new riveting battery cap
Structure.A kind of riveted battery cap sealing structure, including battery cap, electrode, sealing gasket and pole plate are specifically provided, it is special
Levy and be：The electrode is rivet arrangement, and the electrode is penetrated in the hole of top cover, felt pad, pole plate, and solid with clinching method
It is fixed.
Further, it is characterised in that：The felt pad includes upper felt pad and lower felt pad, and upper felt pad is arranged on electricity
Between pond top cover and electrode, make to be electrically insulated therebetween, the lower felt pad is arranged between pole plate and battery cap, makes both
Insulation.
Further, it is characterised in that：The upper and lower felt pad joins near the upper and lower centre position of electrode.
Further, it is characterised in that：There is groove, the lower felt pad is arranged on the recessed of battery cap on the top cover
In groove.
Further, it is characterised in that：Lower felt pad includes a thick wall part and the thin-walled portion being attached thereto, the thickness
Wall part is arranged in groove, and the hole that power pole is passed through is formed in thick wall part.
Further, it is characterised in that：The lower felt pad bottom has a skirt section for being used to coordinate with pole plate, the skirt
Portion is to extend downwardly one section of formation, the wherein position being connected with thin-walled portion of thick wall part from three edges of thick wall part bottom
The bottom put is without the skirt section.
Further, it is characterised in that：The upper felt pad is a stepped annulus set, including thin loop section and thick ring portion
Point, wherein thick loop section is used to be embedded the major diameter afterbody of electrode, thin loop section is obtained for being embedded in the thick wall part
Between hole and electrode.
Further, it is characterised in that：The hole of the thick wall part is clear opening, under the thin loop section of the upper felt pad
End is contacted with lower felt pad or the thin loop section of the upper felt pad is arranged between lower felt pad and electrode.
Further, it is characterised in that：The hole of the thick wall part is shoulder hole, under the thin loop section of the upper felt pad
End is on the cascaded surface of shoulder hole.
Further, it is characterised in that：The cascaded surface of the shoulder hole is located near the upper and lower centre position of the electrode.
The utility model has substantive distinguishing features and progress compared with the prior art, specifically, has the advantage that：Ensureing
Sealing principle is met while electrode exposes.Wherein riveting electrode is the connection of upper and lower two felt pad at expansion maximum position
Place, realizes linear sealing, reaches sealing effectiveness most preferably, finally meets under air-proof condition 1MPa air pressure, within 30.
Brief description of the drawings
Each exemplary embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage are common for this area
The beautiful speech of technical staff will become more apparent, in the accompanying drawings:
Fig. 1 is sealing structure sectional view.
Fig. 2 is sectional view after electrode riveting.
Fig. 3 A lower seal pad top views；Fig. 3 B lower seal pad sectional views；Fig. 3 C lower seal pad upward views.
Fig. 4 A are upper sealing gasket sectional view；Fig. 4 B lower seal pad upward views.
Fig. 5 is sealing structure another program sectional view.
Fig. 6 is sealing structure another program sectional view.
Specific embodiment
In order that the technical solution of the utility model and advantage are clearer, below in conjunction with the accompanying drawings with specific embodiment to this
Utility model is described in detail.
Supporting riveted battery cap sealing structure of the present utility model as shown in figure 1, including battery cap 1, electrode 2,
Pole plate 3, lower felt pad 4, upper felt pad 5.Wherein, top cover 1, pole plate 3, lower felt pad 4, upper felt pad 5 have been respectively formed on hole, electricity
Pole 2 is interspersed in hole, and is coupled together remaining parts using the method for riveting.
Wherein, upper felt pad 5 is arranged between battery cap 1 and electrode 2, makes to be electrically insulated therebetween.
Wherein, in the groove of the lower insertion of felt pad 4 battery cap 1, spacing and supporting role is played.And by pole plate 3 and battery
The isolation of top cover 1 is come, and is allowed to insulate.
Electrode 2 is a rivet arrangement, is deformed after riveting, and its structure is as shown in Fig. 2 the wherein bottom of electrode 2 bending
(see dotted portion), and intermediate expansion.Wherein bulging maximum position is electrode about 2 near midline.
Lower felt pad as shown in figs. 3 a-3 c, its generally square contour, and including a thick wall part and being attached thereto
Thin-walled portion, the hole that wherein power pole 2 is passed through is formed in thick wall part, and the hole is up big and down small shoulder hole, such as Fig. 2 institutes
Show, a part for felt pad 5 is placed between upper shoulder hole and electrode 2.
Wherein thick wall part bottom has a skirt section, and the skirt section is to be extended downwardly from three edges of thick wall part bottom
One section of formation, the skirt section is not formed on the bottom of the position being connected with thin-walled portion of thick wall part.The thick wall part top
For in the groove of the formation for inserting top cover 1, it is ensured that lower felt pad position-limiting action.The skirt section is used to place pole plate 3, and realizes
Positioning.
As shown in figs. 4 a-4b, upper felt pad 4 is a stepped annulus set, including thin loop section and thick loop section, wherein slightly
Loop section is used to be embedded the major diameter afterbody of electrode 2, thin loop section be used to being embedded in the upper shoulder hole and electrode 2 it
Between.Preferably, the depth of the upper lower opening junction of the shoulder hole is reached near the upper and lower midline of electrode, as shown in Figure 2.Ensure
After electrode riveting, for upper and lower two felt pad 4,5 is connected at expansion maximum position.Make upper and lower insulation by the bending of electrode bottom
Pad sealing.Sealing means are line contact sealing.
As shown in figure 5, in another program of the invention, lower felt pad 4 has clear opening, the thin loop section of upper felt pad 5
Directly stretched out from the through hole of lower felt pad 4.
As shown in fig. 6, in another program of the invention, lower felt pad 4 has clear opening, the thin ring that upper felt pad stretches 5 goes out
To lower felt pad upper surface.
In other scheme, the upper and lower felt pad can be formed using integral material, with certain elasticity.
The a series of tool described in detail only for feasibility implementation method of the present utility model of those listed above
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (10)
1. a kind of riveted battery cap sealing structure, including battery cap, electrode, sealing gasket and pole plate, it is characterised in that：Institute
Electrode is stated for rivet arrangement, the electrode is penetrated in the hole of top cover, felt pad, pole plate, and is fixed with clinching method.
2. riveted battery cap sealing structure according to claim 1, it is characterised in that：The felt pad includes upper exhausted
Edge pad and lower felt pad, upper felt pad are arranged between battery cap and electrode, make to be electrically insulated therebetween, the lower felt pad
It is arranged between pole plate and battery cap, both is insulated.
3. riveted battery cap sealing structure according to claim 2, it is characterised in that：The upper and lower felt pad is in electricity
Join near extremely upper and lower centre position.
4. riveted battery cap sealing structure according to claim 2, it is characterised in that：Have on the top cover recessed
Groove, the lower felt pad is arranged in the groove of battery cap.
5. riveted battery cap sealing structure according to claim 2, it is characterised in that：Lower felt pad includes a heavy wall
Part and the thin-walled portion being attached thereto, the thick wall part are arranged in groove, and the hole that power pole is passed through is formed in heavy section
Point.
6. riveted battery cap sealing structure according to claim 5, it is characterised in that：The lower felt pad bottom tool
There is a skirt section for coordinating with pole plate, the skirt section is to extend downwardly one section of formation from three edges of thick wall part bottom,
Wherein the bottom of the position being connected with thin-walled portion of thick wall part is without the skirt section.
7. the riveted battery cap sealing structure according to claim 5 or 6, it is characterised in that：The upper felt pad is
One stepped annulus set, including thin loop section and thick loop section, wherein thick loop section is used to be embedded in the major diameter afterbody of electrode
Wherein, thin loop section is obtained between hole and electrode for being embedded in the thick wall part.
8. riveted battery cap sealing structure according to claim 7, it is characterised in that：The hole of the thick wall part is
Clear opening, the thin loop section lower end of the upper felt pad contacts with lower felt pad or the thin loop section of the upper felt pad is set
Between lower felt pad and electrode.
9. riveted battery cap sealing structure according to claim 5, it is characterised in that：The hole of the thick wall part is
Shoulder hole, the thin loop section lower end of the upper felt pad is on the cascaded surface of shoulder hole.
10. riveted battery cap sealing structure according to claim 9, it is characterised in that：The ladder of the shoulder hole
Face is located near the upper and lower centre position of the electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404969.6U CN206293484U (en) | 2016-12-21 | 2016-12-21 | A kind of riveted battery cap sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404969.6U CN206293484U (en) | 2016-12-21 | 2016-12-21 | A kind of riveted battery cap sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293484U true CN206293484U (en) | 2017-06-30 |
Family
ID=59104057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621404969.6U Active CN206293484U (en) | 2016-12-21 | 2016-12-21 | A kind of riveted battery cap sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023218796A1 (en) * | 2022-05-13 | 2023-11-16 | かがつう株式会社 | Dissimilar metal joined body, and method for joining dissimilar metal joined body |
-
2016
- 2016-12-21 CN CN201621404969.6U patent/CN206293484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023218796A1 (en) * | 2022-05-13 | 2023-11-16 | かがつう株式会社 | Dissimilar metal joined body, and method for joining dissimilar metal joined body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100015 No. 1 East Jiuxianqiao Road, Beijing, Chaoyang District Patentee after: North China Science and technology group Limited by Share Ltd. Address before: 100015 the two floor of the South Gate of M5 Building No. 1, No. 1, Jiuxianqiao East Road, Chaoyang District, Beijing Patentee before: BEIJING SEVENSTAR ELECTRONIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171226 Address after: Room 511, No. 511, No. 8, Wenchang Avenue, Beijing Beijing economic and Technological Development Zone, 100015 Patentee after: BEIJING NAURA NEW ENERGY LITHIUM BATTERY EQUIPMENT TECHNOLOGY CO.,LTD. Address before: 100015 No. 1 East Jiuxianqiao Road, Beijing, Chaoyang District Patentee before: North China Science and technology group Limited by Share Ltd. |
|
| TR01 | Transfer of patent right |