CN203055997U - Lead-acid battery box cover capable of improving terminal leakproofness - Google Patents

Lead-acid battery box cover capable of improving terminal leakproofness Download PDF

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Publication number
CN203055997U
CN203055997U CN2012207087835U CN201220708783U CN203055997U CN 203055997 U CN203055997 U CN 203055997U CN 2012207087835 U CN2012207087835 U CN 2012207087835U CN 201220708783 U CN201220708783 U CN 201220708783U CN 203055997 U CN203055997 U CN 203055997U
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CN
China
Prior art keywords
terminal
lead
sealing
acid accumulator
locating ring
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
Application number
CN2012207087835U
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Chinese (zh)
Inventor
李桂发
陈清元
高根芳
张天任
刘三元
朱健
周文渭
刘清平
沈旭培
邓成智
刘玉
高峰
赵海敏
吴飞
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Tianneng Battery Group Co Ltd
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Tianneng Battery Group Co Ltd
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Publication date
Application filed by Tianneng Battery Group Co Ltd filed Critical Tianneng Battery Group Co Ltd
Priority to CN2012207087835U priority Critical patent/CN203055997U/en
Application granted granted Critical
Publication of CN203055997U publication Critical patent/CN203055997U/en
Anticipated expiration legal-status Critical
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a lead-acid battery box cover capable of improving terminal leakproofness. The cover comprises a cover body, a lead sleeve, a lead terminal post and a copper terminal head, wherein the cover body is provided with a terminal installation hole, and a flaring rubber groove is formed in the top of the terminal installation hole; the lead sleeve is embedded in the inner wall of the terminal installation hole; the lead terminal post is inserted into the lead sleeve and in welding sealing with the lead sleeve; the copper terminal head is in threaded connected with the top of the lead terminal post; and location rings are arranged on the outer wall of the lead sleeve, and the edge of the cross section of each location ring is fit with the inner wall of the terminal installation hole to form a first arc shape. By utilizing the lead-acid battery box cover capable of improving the terminal leakproofness, a sealing effect of a battery terminal is improved, and the acid leakage problem of a common storage battery is solved.

Description

A kind of lead acid accumulator lid that improves terminal sealing
Technical field
The utility model relates to a kind of accumulator structure, especially relates to a kind of lead acid accumulator lid.
Background technology
The storage battery invention is the history in existing more than 100 year so far, lead acid accumulator is after invention, in chemical power source, have overwhelming superiority always, this is because it is cheap, raw material are easy to obtain, sufficient reliability is arranged in the use, be applicable to heavy-current discharge and advantage such as ambient temperature range widely.Valve controlled sealed lead-acid accumulator is born in the seventies in 20th century, valve controlled sealed lead-acid accumulator, because good airproof performance, generally can not leak acid, and resemble and have acid mist the old-fashioned lead acid accumulator and overflow and etching apparatus discharging and recharging Shi Buhui, contaminated environment, on structure, it is still not hermetic, and also has the valve that to control the inside battery gas pressure, must be called valve controlled sealed lead-acid accumulator thus, most of lead acid accumulator is all valve controlled sealed lead-acid accumulator in the market.
Notification number is that the Chinese patent of CN201608226U discloses a kind of valve control sealed lead-acid battery and directly goes out the formula terminal, comprises middle cover, stretch out middle cover directly go out the formula terminal and and directly go out the binding post that the formula terminal is fixedlyed connected; Characteristics are: directly going out to be provided with the lead cover that seals between formula terminal and the middle cover, plumbous cover is one with the contact position that directly goes out the formula terminal with the welding gun fusion.
This patent existing shortcoming on hermetically-sealed construction is mainly, part that lead overlaps and battery cover is tightly connected mutually, it is locating ring, its section is rectangular, many places form the right angle flex point, flex point place, right angle is the centrostigma of casting stress, and with plastic injection-moulded in conjunction with the time easily produce the cavity, cause distortion and sealing condition of poor easily.
The potted line ratio design of lead acid accumulator fluid sealant is unreasonable, causes the generation that glue is crisp, split, seal problems such as line length is not enough, the glue consumption is too much easily.
Sealing variation when the lead acid accumulator lid easily causes leakage, climbs the appearance of phenomenons such as acid.In case leakage occurs, climb phenomenon such as acid, will cause easily storage battery itself and around the damage of other article, serious even generation that can cause accidents such as fire, its consequence is hardly imaginable.
The utility model content
The purpose of this utility model is to provide a kind of lead acid accumulator lid that improves terminal sealing, can prevent effectively that the situation of acid, leakage from appearring climbing on every side in accumulator terminal.The lead acid accumulator lid that can improve terminal sealing of the present utility model comprises
Lid has the terminal installing hole, and the top of this terminal installing hole is the glue groove of enlarging;
Plumbous overlapping is inlaid in the inwall of described terminal installing hole;
The terminal lead block is plugged in the described plumbous cover, and and the lead cover between welded seal;
The terminal copperhead is threaded in the top of described terminal lead block;
The outer wall of described plumbous cover is provided with locating ring, in the section of this locating ring with fit first arc at edge of the inwall of described terminal installing hole.
The locating ring that the utility model storage battery lead sleeve outer wall is provided with, the curved structure of its section, macroforce, microcosmic power and casting stress can evenly spread to each point of curved surfaces, make it in normal use, be not easy distortion, plumbous cover is easy to fit closely with the storage battery lid simultaneously, therefore has good sealing effectiveness.Described macroforce is object collision or rocks storage battery self device that causes and collide mutually, described microcosmic power be storage battery in charge and discharge process, pole plate gives the power to storage battery self device.
Described locating ring is along the circumferential distribution of lead cover, and overlaps coaxial setting with lead.Purpose is in order to guarantee in process of production, make things convenient for the die sinking of storage battery lid, and because locating ring is enclosed within lead and has good symmetry on the overall structure, and then increased the firm degree of locating ring and plumbous cover, guarantee that the storage battery lid is when being subjected to external force collision or extruding, locating ring and plumbous cover are not prone to crack even fracture, have improved the reliability of sealing.
Described locating ring is at least two, all locating rings layout that is parallel to each other.In use, under the effect that is subjected to macroforce and microcosmic power, easily cause locating ring distortion or damage, be set to a plurality of locating rings, can avoid greatly because of single locating ring distortion or damage, make the impaired situation of terminal overall tightness take place.And owing to there are a plurality of locating rings, can better external force be distributed on each locating ring, thereby have reduced the possibility that locating ring deforms or damages.Many locating rings are set, can prolong electrolyte to a certain extent and ooze out the path that direction is walked, as long as have some applying closely, then its sealing just can not be damaged on this path.
As preferably, what all locating rings were equidistant arranges successively, and so design considers mainly that when being subjected to external force external force can evenly be applied on each locating ring, thereby is conducive to improve the whole ability to bear to external force of plumbous cover.
As preferably, described locating ring is three.In order further to improve sealing effectiveness, can overlap periphery at lead more locating ring is set, but consider plumbous cover limited length, locating ring too much can cause every locating ring thickness to descend, cause every locating ring can bear outer force intensity and descend, so locating ring quantity is arranged on three.
Melting welding sealing between the edge, top of described plumbous cover and the outer wall of terminal lead block, can effectively prevent from spilling the slit of electrolyte between lead cover and terminal lead block, and because plumbous cover selects melting welding to fix with the terminal lead block, increased the rigidity speciality of fixed position, make and have better vibrations synchronism between plumbous cover, terminal lead block and the storage battery lid three, thereby reduced the chance that plumbous cover, terminal lead block and storage battery lid collide mutually, reduced the intensity of mutual collision.
As preferably, constitute location notch between the adjacent locating ring, in the section of this location notch with fit second arc at edge of the inwall of described terminal installing hole.As further preferred, described first arc and second arc towards opposing and both are tangent.The Section Design camber structure of location notch, its purpose is with the same with the purpose of the Section Design camber structure of locating ring, when not only can avoiding casting, arcuate structure forms the cavity at the location notch position, and utilize arcuate structure power to be had this characteristic of fine dispersion ability, improved the tolerance degree of location notch to microcosmic power and macroforce, made it have on-deformable characteristics.First arc and second arc towards opposing and both are tangent, location notch and locating ring global shape are streamlined structure, make both overall structures all not have the right angle flex point, and on production technology, the die sinking of storage battery lid are more convenient.
Cover at accumulator box, the top that is positioned at the terminal installing hole is provided with the glue groove of enlarging, by filling with sealant in the glue groove, can effectively protect the terminal lead block that exposes in terminal installing hole outside, plumbous cover and pad between the two, prevent because accident is collided with or corroded by other materials, and cause the damage to storage battery; Fluid sealant can also further seal accumulator terminal simultaneously, further improves the sealing effectiveness of accumulator terminal.
As preferably, be filled with fluid sealant in the described glue groove, the length of sealing line of described glue groove: potted line thickness=2:1; Wherein length of sealing line is the degree of depth of glue groove, and potted line thickness is the radial distance of the outer wall of the inwall of glue groove and terminal lead block.Its objective is that glue groove structure designs in this ratio, can the sealing of accumulator terminal not impacted, and can reduce the consumption of glue.Because length of sealing line and potted line thickness proportion are reasonable, improved the architectural characteristic of colloid, can reduce the generation that situations such as glue is crisp, glue splits appear in fluid sealant to a certain extent.
As preferably, in big close accumulator terminal volume bigger, be prone to because of length of sealing line or potted line thickness low LCL, and cause that sealing is bad.The utility model adopts described length of sealing line and potted line thickness all more than or equal to the design of 8mm, can guarantee reliability and the validity of fluid sealant sealing to the full extent.
Compared with prior art, the beneficial effects of the utility model are, are arcuate structure by the Section Design with locating ring, and it is more tight to make plumbous cover and storage battery lid fit, thereby have improved the reliability of sealing greatly; And in the design of glue groove, optimized the ratio of length of sealing line and potted line thickness, improved the architectural characteristic of colloid, reduced glue consumption.The lead acid accumulator lid of raising terminal sealing of the present utility model has improved the sealing effectiveness of accumulator terminal, has solved general storage battery and has had the problem of climbing acid, leaking acid.
Description of drawings
Fig. 1 is the structural representation of the lead acid accumulator lid of raising terminal sealing of the present utility model;
Fig. 2 is the structural representation that the lead of the lead acid accumulator lid of raising terminal sealing of the present utility model overlaps.
Embodiment
In conjunction with the accompanying drawings and embodiments the utility model is done further detailed description:
With reference to Fig. 1, lead acid accumulator lid of the present utility model comprises lid 1, terminal installing hole 2, glue groove 3, plumbous cover 4, terminal lead block 5, terminal copperhead 6, locating ring 7, location notch 8, bulge loop 9.
Terminal copperhead 6 is connected by the top of screw thread with terminal lead block 5, terminal lead block 5 is plugged in the plumbous cover 4, plumbous cover 4 is inlaid in the inwall of terminal installing hole 2, the top of plumbous cover 4 is provided with bulge loop 9, bulge loop 9 and terminal lead block 5 welded seals have been guaranteed in use, and acid solution can't outwards be oozed out from the slit between terminal lead block 5 and the plumbous cover 4, increase the vibrations synchronism between plumbous cover 4, terminal lead block 5 and the storage battery lid three simultaneously, reduced collision opportunity and impact strength.
With reference to Fig. 2, for make plumbous cover 4 effectively and between the storage battery lid sealing fit, be provided with three locating rings 7 at the outer wall of lead cover 4, each locating ring 7 all overlaps 4 circumferential distribution along lead, the quantity of locating ring 7 is set to three herein, and locating ring 7 is coaxial with lead cover 4, and equidistant parallel is arranged between any two.
Locating ring 7 is all arcuate structure with the section of location notch 8, towards opposing and both are tangent, in design, arc has good power disperse properties, under the effect that is subjected to the microcosmic power that macroscopical external force and accumulator cell charging and discharging cause, power can well be distributed to each point on the arcwall face, thereby greatly reduce because storage battery uses for a long time, and cause that storage battery lid and lead overlap 4 distortion; In casting process, plumbous cover 4 is more tight with the applying of storage battery lid, has improved the sealing of accumulator terminal.
Length of sealing line is the degree of depth of glue groove 3, and potted line thickness is the radial distance of the outer wall of the inwall of glue groove 3 and terminal lead block 5, and both ratios are 2 to 1, guarantees sealing effectiveness, has reduced the use amount of glue.

Claims (10)

1. lead acid accumulator lid that improves terminal sealing comprises:
Lid has the terminal installing hole, and the top of this terminal installing hole is the glue groove of enlarging;
Plumbous overlapping is inlaid in the inwall of described terminal installing hole;
The terminal lead block is plugged in the described plumbous cover, and and the lead cover between welded seal;
The terminal copperhead is threaded in the top of described terminal lead block;
It is characterized in that the outer wall of described plumbous cover is provided with locating ring, in the section of this locating ring with fit first arc at edge of the inwall of described terminal installing hole.
2. the lead acid accumulator lid of raising terminal sealing as claimed in claim 1 is characterized in that, described locating ring is along the circumferential distribution of lead cover, and overlaps coaxial setting with lead.
3. the lead acid accumulator lid of raising terminal sealing as claimed in claim 1 is characterized in that, described locating ring is at least two, all locating rings layout that is parallel to each other.
4. the lead acid accumulator lid of raising terminal sealing as claimed in claim 3 is characterized in that, what all locating rings were equidistant arranges successively.
5. the lead acid accumulator lid of raising terminal sealing as claimed in claim 3 is characterized in that, described locating ring is three.
6. the lead acid accumulator lid of raising terminal sealing as claimed in claim 1 is characterized in that, melting welding sealing between the edge, top of described plumbous cover and the outer wall of terminal lead block.
7. the lead acid accumulator lid of raising terminal sealing as claimed in claim 3 is characterized in that, constitutes location notch between the adjacent locating ring, in the section of this location notch with fit second arc at edge of the inwall of described terminal installing hole.
8. the lead acid accumulator lid of raising terminal sealing as claimed in claim 7 is characterized in that, described first arc and second arc towards opposing and both are tangent.
9. the lead acid accumulator lid of raising terminal sealing as claimed in claim 1 is characterized in that, is filled with fluid sealant in the described glue groove, the length of sealing line of described glue groove: potted line thickness=2:1; Wherein length of sealing line is the degree of depth of glue groove, and potted line thickness is the radial distance of the outer wall of the inwall of glue groove and terminal lead block.
10. the lead acid accumulator lid of raising terminal sealing as claimed in claim 9 is characterized in that, described length of sealing line and potted line thickness are all more than or equal to 8mm.
CN2012207087835U 2012-12-20 2012-12-20 Lead-acid battery box cover capable of improving terminal leakproofness Expired - Lifetime CN203055997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012207087835U CN203055997U (en) 2012-12-20 2012-12-20 Lead-acid battery box cover capable of improving terminal leakproofness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012207087835U CN203055997U (en) 2012-12-20 2012-12-20 Lead-acid battery box cover capable of improving terminal leakproofness

Publications (1)

Publication Number Publication Date
CN203055997U true CN203055997U (en) 2013-07-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201883A (en) * 2020-10-14 2021-01-08 天能电池(芜湖)有限公司 Full-glue-dipping battery cover for storage battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201883A (en) * 2020-10-14 2021-01-08 天能电池(芜湖)有限公司 Full-glue-dipping battery cover for storage battery

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 313117 Meishan Industrial Park, Changxing County, Huzhou City, Zhejiang Province

Patentee after: TIANNENG BATTERY GROUP Co.,Ltd.

Address before: 313117 Meishan Industrial Park, Changxing County, Huzhou City, Zhejiang Province

Patentee before: TIANNENG BATTERY GROUP Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130710