CN201994369U - Terminal sealing structure for battery - Google Patents
Terminal sealing structure for battery Download PDFInfo
- Publication number
- CN201994369U CN201994369U CN2011201129257U CN201120112925U CN201994369U CN 201994369 U CN201994369 U CN 201994369U CN 2011201129257 U CN2011201129257 U CN 2011201129257U CN 201120112925 U CN201120112925 U CN 201120112925U CN 201994369 U CN201994369 U CN 201994369U
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- CN
- China
- Prior art keywords
- terminal
- sealant layer
- opening
- middle cover
- sealing structure
- 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.)
- Expired - Lifetime
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
A terminal sealing structure for a battery comprises a middle cover, a terminal, a lead pole and two sealant layers, wherein the middle cover is provided with a terminal accommodating cavity, the accommodating cavity is provided with a first opening and a second opening, the outer surface of the terminal is attached to the inner wall of the accommodating cavity, a projection is formed at the bottom of the terminal, a pole hole is formed on the terminal in the direction of the projection, and the lead pole is embedded into the pole hole and is combined with the pole hole through hot melting; one sealant layer is attached to the side wall of the projection and embedded into and matched with the first opening, and the other sealant layer is attached to and matched with the second opening; and matched saw-teeth are formed on both the outer wall of the terminal and the inner wall of the accommodating cavity of the middle cover. In the utility model, the two sealant layers are provided, the matched and well-fit saw-teeth are formed between the terminal and the middle cover, and the lead pole and the pole hole are sealed by adopting the hot-melting technology, so that the terminal of a valve-controlled sealed lead acid battery is radically prevented from acid leakage and other adverse effects.
Description
Technical field
The utility model relates to a kind of terminal sealing structure of storage battery, specifically is meant a kind of terminal sealing structure of valve-regulated sealed lead-acid batteries.
Technical background
Valve-regulated sealed lead-acid batteries has environment for use, security performance height, maintenance easily preferably, can store by any direction and use the lead acid accumulator that substitute the opening exhaust in various fields because of it.
Wherein, terminal sealing is an important technology index of valve-regulated sealed lead-acid batteries.Climb unfavorable conditions such as acid even leakage acid if terminal in use often appears in the poor sealing of terminal, battery, cause the potential safety hazards such as corrosion of client electric equipment, can cause fire when serious.
Traditional valve-regulated sealed lead-acid batteries generally adopts fluid sealant to seal between terminal outer and battery middle cover, such hermetically-sealed construction can't stop acid gas to enter the junction of terminal and middle cover, plumbous chemical reaction corrosion the becoming lead sulfate that takes place of the main composition of acid gas and terminal, thereby the volume of terminal becomes the big middle cover structure of destroying, cause seal failure, produce terminal and climb phenomenons such as acid or leakage acid.
The utility model content
The purpose of this utility model is to provide a kind of and can effectively the battery middle cover be combined the front with terminal and seal, and thoroughly stops the junction that acid gas enters terminal and battery middle cover and produces the valve-control sealing-type lead-acid storage battery terminal sealing structure of corrosion.
In order to realize this purpose, the utility model has adopted following technical scheme:
A kind of terminal sealing structure of storage battery, comprise middle cover, terminal, lead terminal post and sealant layer, described middle cover has terminal receiving cavity, this container cavity is provided with first opening and second opening, attach the outer surface of described terminal on the inwall of this container cavity, this terminal is provided with a splicing ear, the bottom of described terminal is provided with a projection, described terminal is provided with first through hole along the direction of described projection, this first through hole is the pole hole, described lead terminal post is embedded in the described pole hole, and the two ends in described pole hole are stretched out in the top and bottom of described lead terminal post; Described sealant layer comprises first sealant layer and second sealant layer, the sidewall of this projection attaches described first sealant layer, and be embedded in first opening, and be complementary with described first opening, described second sealant layer is attached in second opening and with described second opening and mates.
Preferably, combine by hot melt between described lead terminal post and described pole hole.
Preferably, described second sealant layer is provided with the groove that the upper end with described lead terminal post is complementary.
In addition, described middle cover also is provided with the 3rd opening, and described splicing ear places in described the 3rd opening.
Preferably, described second sealant layer is provided with second through hole, and described splicing ear places in described second through hole.
Preferably, the outer wall of described terminal is a zigzag, and the inwall of the terminal receiving cavity of described middle cover is provided with the sawtooth that the outer wall with described terminal is complementary.
In addition, the sealant layer made for the macromolecule solid of described sealant layer.
The utility model has been taked two sealant layers, and, also be provided with the sawtooth that mutual coupling is agreed with between terminal and the middle cover, also adopt the thermal welding technology to form another road sealing between lead terminal post and the pole hole, thereby the terminal of thoroughly stopping valve-regulated sealed lead-acid batteries is climbed unfavorable conditions such as acid or leakage acid, has improved the security performance of storage battery effectively.
Description of drawings
Accompanying drawing 1 is the terminal receiving cavity structure chart of the middle cover of embodiment one;
Accompanying drawing 2 is the middle cover of embodiment one and the matching chart of terminal;
Accompanying drawing 3 is the structure chart of embodiment one;
Accompanying drawing 4 is the terminal receiving cavity structure chart of the middle cover of embodiment two;
Accompanying drawing 5 is the middle cover of embodiment two and the matching chart of terminal;
Accompanying drawing 6 is the structure chart of embodiment two.
Embodiment
Describe the utility model in detail referring now to accompanying drawing.
Embodiment one
A kind of terminal sealing structure of lead acid accumulator comprises middle cover 1, terminal 2, lead terminal post 3 and sealant layer 4.
Shown in accompanying drawing 1 and accompanying drawing 2, middle cover 1 has terminal receiving cavity, this container cavity is provided with first opening 11, second opening 12, attach the outer surface of terminal 2 on the inwall of this container cavity, wherein, the outer wall of terminal 2 is a zigzag, and the terminal receiving cavity inwall of middle cover 1 is provided with the sawtooth that the outer wall with terminal 2 is complementary, thereby can be good for the sealing between middle cover 1 and the terminal 2.
The upper surface of terminal 2 is provided with a splicing ear 21, the bottom of terminal 2 is provided with a projection 22, terminal 2 is provided with first through hole along the direction of projection 22, this first through hole is pole hole 23, with reference to accompanying drawing 3, lead terminal post 3 is embedded in the pole hole 23, and the two ends in pole hole 23 are stretched out in the upper end 31 of lead terminal post 3 and lower end 32.And lead terminal post 3 combines by hot melt with 23 in pole hole, thereby provides one to ensure greatly for the sealing between lead terminal post 3 and the terminal 2.
Sealant layer 4 is made up of the macromolecule solid, comprise first sealant layer 41 and second sealant layer 42, wherein, the sidewall of projection 22 is pasted with first sealant layer 41, and be embedded in first opening 11, and be complementary with it, second sealant layer 42 is attached in second opening 12 and matches, second sealant layer 42 is provided with the groove that the upper end 31 with utmost point lead block 3 is complementary, second sealant layer 42 is provided with second through hole 40, splicing ear 21 places in second through hole 40, thereby can guarantee the upper surface of 42 pairs of terminals of second sealant layer, lead terminal post 3 and middle cover 1 can both well seal.
Embodiment two
A kind of terminal sealing structure of lead acid accumulator comprises middle cover 1, terminal 2, lead terminal post 3 and sealant layer 4.
As shown in Figure 4, middle cover 1 has terminal receiving cavity, this container cavity is provided with first opening 11, second opening 12 and the 3rd opening 10, attach the outer surface of terminal 2 on the inwall of this container cavity, wherein, the outer wall of terminal 2 is a zigzag, and the terminal receiving cavity inwall of middle cover 1 is provided with the sawtooth that the outer wall with terminal 2 is complementary.
With reference to accompanying drawing 5 and accompanying drawing 6, the sidewall of this terminal 2 is provided with a splicing ear 21, and the material of splicing ear 21 is copper or copper alloy, and shape can be cylinder or hexagon prism, five corner posts, quadrangular prism; Splicing ear 21 places in the 3rd opening 10, the bottom of terminal 2 is provided with a projection 22, terminal 2 is provided with first through hole along the direction of projection 22, this first through hole is pole hole 23, lead terminal post 3 is embedded in the pole hole 23, and lead terminal post 3 combines by hot melt with 23 in pole hole, and the two ends in pole hole 23 are stretched out in the upper end 31 of lead terminal post 3 and lower end 32.
Sealant layer 4 is made up of the macromolecule solid, comprises first sealant layer 41 and second sealant layer 42, wherein, the sidewall of projection 22 is pasted with first sealant layer 41, and be embedded in first opening 11, and be complementary with it, second sealant layer 42 is attached in second opening 12 and matches.
The storage battery that uses this utility model to produce all passes through different sealing means sealings between lead terminal post, terminal and the middle cover, thereby, when accumulator internal pressure is 60 ℃ for the 49kPa ambient temperature, floating charge operation 12 months, the terminal place does not have the acid of leakage or climbs sour phenomenon.Get after the floating charge that battery is dissected terminal and the terminal corrosion phenomenon is not found in the middle cover junction yet.
Above-described the utility model execution mode does not constitute the qualification to the utility model protection range.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection range of the present utility model.
Claims (7)
1. the terminal sealing structure of a storage battery, comprise middle cover, terminal, lead terminal post and sealant layer, described middle cover has terminal receiving cavity, this container cavity is provided with first opening and second opening, attach the outer surface of described terminal on the inwall of this container cavity, this terminal is provided with a splicing ear, the bottom of described terminal is provided with a projection, described terminal is provided with first through hole along the direction of described projection, this first through hole is the pole hole, described lead terminal post is embedded in the described pole hole, and the two ends in described pole hole are stretched out in the top and bottom of described lead terminal post; It is characterized in that:
Described sealant layer comprises first sealant layer and second sealant layer, the sidewall of this projection attaches described first sealant layer, and be embedded in first opening, and be complementary with described first opening, described second sealant layer is attached in second opening and with described second opening and mates.
2. the terminal sealing structure of a kind of storage battery according to claim 1 is characterized in that, combines by hot melt between described lead terminal post and described pole hole.
3. the terminal sealing structure of a kind of storage battery according to claim 2 is characterized in that, described second sealant layer is provided with the groove that the upper end with described lead terminal post is complementary.
4. the terminal sealing structure of a kind of storage battery according to claim 3 is characterized in that, described middle cover also is provided with the 3rd opening, and described splicing ear places in described the 3rd opening.
5. the terminal sealing structure of a kind of storage battery according to claim 3 is characterized in that, described second sealant layer is provided with second through hole, and described splicing ear places in described second through hole.
6. according to the terminal sealing structure of claim 4 or 5 described a kind of storage batterys, it is characterized in that the outer wall of described terminal is a zigzag, the inwall of the terminal receiving cavity of described middle cover is provided with the sawtooth that the outer wall with described terminal is complementary.
7. according to the terminal sealing structure of claim 4 or 5 described a kind of storage batterys, it is characterized in that the sealant layer that described sealant layer is made for the macromolecule solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201129257U CN201994369U (en) | 2011-04-18 | 2011-04-18 | Terminal sealing structure for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201129257U CN201994369U (en) | 2011-04-18 | 2011-04-18 | Terminal sealing structure for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994369U true CN201994369U (en) | 2011-09-28 |
Family
ID=44670847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201129257U Expired - Lifetime CN201994369U (en) | 2011-04-18 | 2011-04-18 | Terminal sealing structure for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183814A (en) * | 2013-05-28 | 2014-12-03 | 三星Sdi株式会社 | Rechargeable battery |
| CN112151731A (en) * | 2019-06-27 | 2020-12-29 | 通用汽车环球科技运作有限责任公司 | Pouch type battery cell having wide cell tab |
-
2011
- 2011-04-18 CN CN2011201129257U patent/CN201994369U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183814A (en) * | 2013-05-28 | 2014-12-03 | 三星Sdi株式会社 | Rechargeable battery |
| CN104183814B (en) * | 2013-05-28 | 2019-08-16 | 三星Sdi株式会社 | Rechargeable battery |
| CN112151731A (en) * | 2019-06-27 | 2020-12-29 | 通用汽车环球科技运作有限责任公司 | Pouch type battery cell having wide cell tab |
| CN112151731B (en) * | 2019-06-27 | 2022-09-13 | 通用汽车环球科技运作有限责任公司 | Pouch type battery cell having wide cell tab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170126 Address after: 410000 Hunan province Changsha Dongsi Changsha economic and Technological Development Zone, Road No. 57 Patentee after: Changsha magnesium magnesium Technology Co., Ltd. Address before: East Economic Development Zone Huanggang town Guangdong city of Chaozhou province Raoping County 515700 good Battery Co. Patentee before: B. B. Battery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |