CN206194800U - Cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh - Google Patents
Cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh Download PDFInfo
- Publication number
- CN206194800U CN206194800U CN201621205511.8U CN201621205511U CN206194800U CN 206194800 U CN206194800 U CN 206194800U CN 201621205511 U CN201621205511 U CN 201621205511U CN 206194800 U CN206194800 U CN 206194800U
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- China
- Prior art keywords
- sealing ring
- positive electrode
- sealing washer
- positive
- positive cover
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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 cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh belongs to cylindrical secondary cell technical field. The technical scheme of the utility model main points do: cylinder battery positive electrode lid and sealing washer connection structure include positive electrode lid and the sealing washer that is equipped with spacing step, positive electrode lid set up on the spacing step of sealing washer, the sealing washer inboard on spacing step upper portion is equipped with the snap ring that matches with the positive electrode lid edge. The utility model also discloses a cylindrical secondary cell of ni -mh who contains this connection structure. The utility model discloses a cylindrical secondary cell's the alkali problem of climbing is effectively stopped to the structure that changes the sealing washer to stop the positive electrode lid and the condition that sealing washer cooperation back positive electrode lid drops, made the yield of battery improve more than 10%, reduced manufacturing cost.
Description
Technical field
The utility model belongs to column secondary battery technical field, and in particular to a kind of cylindrical battery positive cover and sealing
Circle attachment structure and ni-mh column secondary battery.
Background technology
The general not band clasp ring structures of current ni-mh cylinder rechargeable battery（As shown in Figure 1）, it is such
Structure is easily caused battery and climbs alkali, and particularly in summer, electrolyte increases with the liter high fluidity of temperature, and battery is in the mistake placed
Easily occur climbing alkali phenomenon in journey, causing the percent defective of battery increases.Therefore, it is necessary to the cylindrical battery positive cover and sealing
Circle attachment structure is improved to improve its performance and yield rate.
The content of the invention
The technical problem that the utility model is solved there is provided a kind of cylindrical battery positive cover and sealing ring attachment structure and
Ni-mh column secondary battery, column secondary battery is effectively prevented by changing the structure of sealing ring climbs alkali problem.
The utility model adopts the following technical scheme that cylindrical battery positive cover connects with sealing ring to solve above-mentioned technical problem
Binding structure, including positive cover and the sealing ring for being provided with limited step, it is characterised in that：Described positive cover is arranged at sealing ring
On limited step, the sealing ring inner side on limited step top is provided with the snap ring matched with positive cover edge.
Further preferably, described sealing ring is the pressure bearing and seal circle of environmentally friendly nylon material.
Further preferably, described positive cover is by convex-shaped block, flange cover plate and is arranged at convex-shaped block and flange
Explosion-proof ball between cover plate is constituted, and the edge of wherein convex-shaped block is connected in the flange draw-in groove of flange cover plate.
Ni-mh column secondary battery described in the utility model, including box hat, positive cover and it is packaged in box hat and positive pole
Cylindrical battery core and electrolyte in lid, cylindrical battery core are formed by the stacked winding of positive plate, barrier film and negative plate, and its feature exists
In：The side of the box hat is provided with the ring-type convex step formed by jet-bedding operation, and the ring-type convex step is provided with sealing ring,
The limited step consistent with ring-type convex ledge structure is provided with the middle part of sealing ring, the sealing ring inner side on limited step top sets
There is the snap ring matched with positive cover edge.
The utility model has the advantages that compared with prior art：
1st, the utility model makes existing not band clasp sealing ring into band clasp sealing ring, has prevented positive cover with sealing
The situation that positive cover comes off after circle cooperation, makes the yield rate of battery improve more than 10%, reduces production cost；
2nd, the sealing ring is designed with snap ring, is used cooperatively with positive cover sealing, and envelope when greatly reducing battery seal is oblique
With the inclined phenomenon of envelope, while increased the contact area of positive cover and sealing ring closure part, the sealing of battery is improve, effectively
Solve the problems, such as that ni-mh column secondary battery shelves period leakage and climbs alkali in summer high temperature environment.
Brief description of the drawings
Fig. 1 is the structural representation of sealing ring in the prior art；
Fig. 2 is the structural representation of sealing ring in the utility model；
Fig. 3 is cylindrical battery positive cover and sealing ring attachment structure schematic diagram in the utility model.
In figure：1st, positive cover, 2, sealing ring, 3, snap ring, 4, convex-shaped block, 5, flange cover plate, 6, explosion-proof ball.
Specific embodiment
Particular content of the present utility model is described in detail with reference to accompanying drawing.Cylindrical battery positive cover and sealing ring attachment structure,
Including positive cover 1 and the sealing ring 2 for being provided with limited step, described positive cover 1 is arranged on the limited step of sealing ring 2, is limited
The inner side of sealing ring 2 on position step top is provided with the snap ring 3 matched with the edge of positive cover 1, the snap ring 3 after sealing extruding with positive pole
The outward flange of lid 1 fits together, and then increased the contact area of junction sealing ring 2 and positive cover 1, it is to avoid battery
Alkali phenomenon is climbed, is not in positive pole in circular flow after the sealing ring 2 of the band clasp 3 is combined together with the sealing of positive cover 1
The phenomenon that lid 1 comes off, effectively increases the yield rate of battery.The bearing capacity of sealing ring 2 during in view of battery seal, in sealing
Enclose carries out repetition test with mechanics principle in 2 material selections and size layout, and considers the size versatility of winter and summer, finally
It is determined that using the pressure bearing and seal circle of environmentally friendly nylon material, designing the dimensional tolerance for meeting battery property.Described positive pole
Lid 1 is made up of convex-shaped block 4, flange cover plate 5 and the explosion-proof ball 6 being arranged between convex-shaped block 4 and flange cover plate 5, its
The edge of middle convex-shaped block 4 is connected in the flange draw-in groove of flange cover plate 5, and the middle part of flange cover plate 5 is provided with exhausting waste gas hole,
The both sides of convex-shaped block 4 are provided with multiple air-vents.
Ni-mh column secondary battery described in the utility model, including box hat, positive cover 1 and it is packaged in box hat and positive pole
Cylindrical battery core and electrolyte in lid 1, cylindrical battery core are formed by the stacked winding of positive plate, barrier film and negative plate, the steel
The side of shell is provided with the ring-type convex step formed by jet-bedding operation, and the ring-type convex step is provided with sealing ring 2, in sealing ring
2 middle part is provided with the limited step consistent with ring-type convex ledge structure, the sealing ring inner side on limited step top be provided with just
The snap ring 3 that the edge of polar cap 1 matches.
The specific preparation process of ni-mh column secondary battery described in the utility model is：
1st, sealing ring and positive cover are combined together（See accompanying drawing 3）；2nd, by the stacked winding of positive plate, negative plate and barrier film
It is put into box hat into pole plate group；3rd, electrolyte is added in the pole plate group of box hat；4th, by positive pole ear and the inboard weldering of positive cover
It is connected together；5th, seal；6th, it is melted into.
On the one hand the utility model makes existing not band clasp sealing ring into band clasp by changing the structure of sealing ring
Sealing ring, has prevented the situation that positive cover comes off after positive cover coordinates with sealing ring, the yield rate of battery is improved more than 10%,
Reduce production cost；On the other hand the sealing ring is designed with snap ring, is used cooperatively with positive cover sealing, greatly reduces battery
Envelope during sealing tiltedly with seal inclined phenomenon, while increased the contact area of positive cover and sealing ring closure part, improve battery
Sealing, efficiently solve the problems, such as that ni-mh cylinder secondary cell leakage and climbs alkali during summer high temperature environment is shelved.
General principle of the present utility model, principal character and advantage has been shown and described above, it is new this practicality is not departed from
On the premise of type spirit and scope, the utility model also has various changes and modifications, and these changes and improvements both fall within requirement and protect
The scope of the present utility model of shield.
Claims (4)
1. cylindrical battery positive cover and sealing ring attachment structure, including positive cover and the sealing ring for being provided with limited step, its feature
It is：Described positive cover is arranged on the limited step of sealing ring, and the sealing ring inner side on limited step top is provided with and positive pole
The snap ring that lid edge matches.
2. cylindrical battery positive cover according to claim 1 and sealing ring attachment structure, it is characterised in that：Described sealing
Enclose the pressure bearing and seal circle for environmentally friendly nylon material.
3. cylindrical battery positive cover according to claim 1 and sealing ring attachment structure, it is characterised in that：Described positive pole
Lid is made up of convex-shaped block, flange cover plate and the explosion-proof ball being arranged between convex-shaped block and flange cover plate, wherein convex
The edge of shape block is connected in the flange draw-in groove of flange cover plate.
4. a kind of ni-mh column secondary battery, including box hat, positive cover and the cylinder electricity that is packaged in box hat and positive cover
Core and electrolyte, cylindrical battery core are formed by the stacked winding of positive plate, barrier film and negative plate, it is characterised in that：The box hat
Side is provided with the ring-type convex step formed by jet-bedding operation, and the ring-type convex step is provided with sealing ring, in sealing ring
Portion is provided with the limited step consistent with ring-type convex ledge structure, and the sealing ring inner side on limited step top is provided with and positive cover side
The snap ring that edge matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205511.8U CN206194800U (en) | 2016-11-09 | 2016-11-09 | Cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205511.8U CN206194800U (en) | 2016-11-09 | 2016-11-09 | Cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194800U true CN206194800U (en) | 2017-05-24 |
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ID=58734876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621205511.8U Active CN206194800U (en) | 2016-11-09 | 2016-11-09 | Cylinder battery positive electrode lid and sealing washer connection structure and cylindrical secondary cell of ni -mh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916581A (en) * | 2019-05-09 | 2020-11-10 | 山东华太新能源电池有限公司 | High-capacity rechargeable nickel-metal hydride battery and manufacturing method thereof |
-
2016
- 2016-11-09 CN CN201621205511.8U patent/CN206194800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916581A (en) * | 2019-05-09 | 2020-11-10 | 山东华太新能源电池有限公司 | High-capacity rechargeable nickel-metal hydride battery and manufacturing method thereof |
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