CN209472015U - A kind of shockproof lithium battery casing - Google Patents
A kind of shockproof lithium battery casing Download PDFInfo
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- CN209472015U CN209472015U CN201821915455.6U CN201821915455U CN209472015U CN 209472015 U CN209472015 U CN 209472015U CN 201821915455 U CN201821915455 U CN 201821915455U CN 209472015 U CN209472015 U CN 209472015U
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- inner casing
- shell
- lithium battery
- main body
- end cap
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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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Abstract
The utility model relates to field of lithium more particularly to a kind of shockproof lithium battery casings.The shell includes shell and is arranged the inner casing for sliding up and down connection inside the housing and therewith, outer housing includes a housing main body and the shell end cap that is disposed there above, shell end, which covers, is also respectively provided with positive terminal and negative terminal, inner housing includes an inner casing main body and the inner casing end cap that is disposed there above, inner casing end cover surface is additionally provided with positive terminal and negative terminal one-to-one correspondence and by the positive terminal and anode connector of connection of connecting wires, and housing main body passes through the damping spring being arranged between the two bottom with inner casing main body and is fixedly connected.The problem of the utility model overcomes lithium battery casing in the prior art and is easy to produce vibration, and battery case cracky electrolyte is caused to be easy leakage has (1) good damping anti seismic efficiency, lithium battery casing not cracky；(2) heat dissipation effect is excellent；(3) the advantages that safe to use.
Description
Technical field
The utility model relates to field of lithium more particularly to a kind of shockproof lithium battery casings.
Background technique
Lithium ion battery is a kind of rechargeable battery, it relies primarily on lithium ion, and movement carrys out work between a positive electrode and a negative electrode.
In charge and discharge process, Li+ insertion and deintercalation back and forth between two electrodes: when rechargable battery, Li+ is from positive deintercalation, by electricity
It solves matter and is embedded in cathode, cathode is in lithium-rich state；It is then opposite when electric discharge.It is general to use the material for containing elemental lithium as electrode
Battery.It is the representative of modern high performance battery.
Lithium ion battery generally by five it is most of form, be respectively as follows: positive electrode, negative electrode material, diaphragm, electrolyte with
And battery case.Battery case therein has protect battery internal components not collided by the external world and rupture, electrolyte is revealed etc.
Effect, however there is no aseismatic mechanism in existing lithium battery casing, it is unable to satisfy the shockproof requirement of lithium ion battery.
Such as a kind of a kind of lithium battery for electric vehicle shell reported in Chinese patent literature, Publication No.
CN207489938U comprising shell, housing bottom be equipped with fixed card slot, back side of shell be equipped with retention bead, retention bead with
Groove on electric vehicle lithium battery seat is correspondingly arranged, and shell two sides are equipped with spring catch, and enclosure interior, which is also sticked, heat-conducting silica gel sheet,
Circle is equipped with annular protrusion on fixed card slot.The utility model lithium battery for electric vehicle shell, housing bottom are equipped with fixed card slot, shell
The body back side is equipped with retention bead, limits lithium battery casing left-right position, meanwhile, shell two sides are equipped with spring detent, limit
Lithium battery casing upper and lower position.Although it can make lithium battery group itself no by limiting the position up and down of battery case
Shock and vibration are also easy to produce, ensure that the normal use of electric vehicle lithium battery, but when automobile occurs compared with pitchpole, it is therein
Lithium battery can also jolt together with automobile, so that lithium battery, which still can generate vibration, leads to lithium battery breakage, electrolyte
The problem of leakage.
Summary of the invention
The utility model is to cause battery case easy to overcome lithium battery casing in the prior art to be easy to produce vibration
Damaged electrolyte is easy the problem of leakage, and the lithium battery casing of damping effect can be had, reduce battery case by providing one kind
A possibility that damaged, solution liquid is revealed, to greatly improve safety in utilization.
To achieve the above object, the utility model is achieved through the following technical solutions:
A kind of shockproof lithium battery casing, the shell include that shell and being arranged slides up and down inside the housing and therewith
The inner casing of connection, the shell include a housing main body and the shell end cap that is disposed there above, the shell end
It covers and is also respectively provided with positive terminal and negative terminal, the inner casing includes an inner casing main body and is disposed there above
Inner casing end cap, the inner casing end cover surface are additionally provided with to correspond with positive terminal and negative terminal and pass through to connect wires and connect
Positive terminal and anode connector, the housing main body and inner casing main body pass through the damping bullet being arranged between the two bottom
Spring is fixedly connected.
Lithium battery casing in the utility model and is set therebetween by using the combination of shell and inner casing
It is equipped with damping spring, has achieved the purpose that damping.Meanwhile inner casing setting is inside the housing, when the electrolyte in inner casing once sending out
Raw leakage, still inside the housing, without being leaked to outside, effectively reduces harm of the electrolyte to outside batteries.
Preferably, the housing main body is spliced by side plate and bottom plate, the size of the side plate upper end with
Inner casing size matches.
Side plate upper end and inner casing size in housing main body in the present invention match and can effectively limit inner casing outside
Left and right displacement inside shell, it is therefore prevented that its inside the housing left and right vibration.
Preferably, the inner shell bottom is provided with a limited block, the side plate bottom is additionally provided with a limit
Position slot, the size of the limited block and the size of limiting slot match, so that inner casing can only be transported up and down within the scope of limiting slot
It is dynamic.
Inner casing is made to be able to carry out certain upper and lower displacement inside the housing by setting limited block and limiting slot, and on
The distance of bottom offset is limited by limiting slot, and after being shaken, inner casing meeting pressuring spring is moved downward, in springback
After can effectively limit rebound height, prevent inner casing pop up shell the phenomenon that.
Preferably, being additionally provided with a hollow ring washer between the limiting slot and limited block.
Hollow ring washer is arranged between limiting slot and limited block makes spring limited block after rebound strike limit
With certain buffering effect when the slot of position, it ensure that it will not generate significant shock, reduce the phenomenon of inner casing breakage.
Preferably, be equipped with a heat dissipation cavity inside the side plate upper end, inside be filled with conduction oil.
Lithium battery is easy to produce more heat in charge and discharge process, the design of double-layer structure so that its heat dissipation effect not
It is good, side plate upper end is provided with heat dissipation cavity, the heat in inner casing passes through heat dissipation cavity and conduction oil therein for heat therein
Conduction is to shell, the effective solution bad problem of heat dissipation.
Preferably, being filled with heat-conducting glue between the housing main body and inner casing outer wall.
Being provided with heat-conducting glue between them can effectively help the heat transfer in inner casing into shell, improve
Heat dissipation effect.
Preferably, the shell end, which covers, is additionally provided with shell relief hole, it is additionally provided on the inner casing end cap
Inner casing relief hole is connected with each other between the shell relief hole and inner casing relief hole by elastic rubber pipe.
The pressure that inside battery can be effectively discharged in inside and outside relief hole is set, both is connected by elastic rubber pipe,
It is produced fracture so that its inner casing does not return during up and down motion because of stretching action.
Therefore, the utility model has the following beneficial effects:
(1) there is good damping anti seismic efficiency, lithium battery casing not cracky；
(2) heat dissipation effect is excellent；
(3) safe to use.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of the invention.
Wherein: shell 1, inner casing 2, housing main body 3, shell end cap 4, positive terminal 5, negative terminal 6, inner casing main body 7, inner casing end
Lid 8,9, positive terminal 10 of connecting wires, anode connector 11, damping spring 12, side plate 13, bottom plate 14, limiting slot 15, limited block 16,
Heat dissipation cavity 17, heat-conducting glue 18, ring washer 19, shell relief hole 20, inner casing relief hole 21, elastic rubber pipe 22.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment the utility model is described in further detail.
A kind of shockproof lithium battery casing, the shell include shell 1 and are set in 1 inside of shell and above glide therewith
The inner casing 2 of dynamic connection, the shell 1 includes a housing main body 3 and the shell end cap 4 being disposed there above, described
Positive terminal 5 and negative terminal 6 are also respectively provided on shell end cap 4, the inner casing 2 includes an inner casing main body 7 and sets
Inner casing end cap 8 above it is set, 8 surface of inner casing end cap is additionally provided with and positive terminal 5 and the one-to-one correspondence of negative terminal 6
And by the positive terminal 10 and anode connector 11 of 9 connections of connecting wires, the housing main body 3 is with inner casing main body 7 by setting
The damping spring 12 set between the two bottom is fixedly connected, and shell relief hole 20, institute are additionally provided on the shell end cap 4
It is additionally provided with inner casing relief hole 21 on the inner casing end cap 8 stated, passes through between the shell relief hole 20 and inner casing relief hole 21
Elastic rubber pipe 22 is connected with each other.
The housing main body 3 is spliced by side plate 13 and bottom plate 14, the size of 13 upper end of side plate with it is interior
2 size of shell matches, and a heat dissipation cavity 17 is equipped with inside 13 upper end of side plate, inside be filled with conduction oil, institute
Heat-conducting glue 18 has been filled between 2 outer wall of the housing main body 3 stated and inner casing.
2 bottom of inner casing is provided with a limited block 16, and 13 bottom of side plate is additionally provided with a limiting slot
15, a hollow ring washer 19 is additionally provided between the limiting slot 15 and limited block 16, the limited block 16
Size and the size of limiting slot 15 match, so that inner casing 2 can only move up and down in 15 range of limiting slot.
In the utility model after inner casing 2 is shaken, the downward compression shock absorption spring 12 of meeting, to have buffering effect
Fruit plays damping, due to the presence of hollow ring washer 19, upward impact force after witnessing spring 12 and replying rebound
Also it is offset by the buffering effect of ring washer 19, so that vibration abatement of the inner casing 2 during up and down motion, effectively
Inner casing is protected not rupture, electrolyte therein will not be revealed.Meanwhile 13 upper end of side plate being provided with heat dissipation cavity 17, inner casing 2
In heat by heat dissipation cavity 17 and conduction oil therein heat therein is conducted to shell 1, effective solution heat dissipation
Bad problem.
Claims (7)
1. a kind of shockproof lithium battery casing, which is characterized in that the shell includes shell (1) and is set in shell (1)
Portion and the inner casing (2) for sliding up and down connection therewith, the shell (1) include a housing main body (3) and are disposed thereon
The shell end cap (4) of side is also respectively provided with positive terminal (5) and negative terminal (6) on the shell end cap (4), described
Inner casing (2) includes an inner casing main body (7) and the inner casing end cap (8) being disposed there above, described inner casing end cap (8) surface
Be additionally provided with corresponded with positive terminal (5) and negative terminal (6) and by connect wires positive terminal (10) that (9) are connect and
Anode connector (11), the housing main body (3) and inner casing main body (7) pass through the damping spring being arranged between the two bottom
(12) it is fixedly connected.
2. a kind of shockproof lithium battery casing according to claim 1, which is characterized in that the housing main body (3) is by side
Plate (13) and bottom plate (14) are spliced, and size and inner casing (2) size of the side plate (13) upper end match.
3. a kind of shockproof lithium battery casing according to claim 2, which is characterized in that inner casing (2) the bottom setting
There is a limited block (16), the side plate (13) bottom is additionally provided with a limiting slot (15), the limited block (16)
Size and the size of limiting slot (15) match, so that inner casing (2) can only move up and down in limiting slot (15) range.
4. a kind of shockproof lithium battery casing according to claim 3, which is characterized in that the limiting slot (15) and limit
A hollow ring washer (19) is additionally provided between block (16).
5. a kind of shockproof lithium battery casing according to claim 2, which is characterized in that inside described side plate (13) upper end
Equipped with a heat dissipation cavity (17), inside be filled with conduction oil.
6. a kind of shockproof lithium battery casing according to claim 1 or 2, which is characterized in that the housing main body (3) with
Heat-conducting glue (18) have been filled between inner casing (2) outer wall.
7. a kind of shockproof lithium battery casing according to claim 1, which is characterized in that on the shell end cap (4) also
It is provided with shell relief hole (20), is additionally provided with inner casing relief hole (21) on the inner casing end cap (8), the shell pressure release
It is connected with each other between hole (20) and inner casing relief hole (21) by elastic rubber pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915455.6U CN209472015U (en) | 2018-11-20 | 2018-11-20 | A kind of shockproof lithium battery casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915455.6U CN209472015U (en) | 2018-11-20 | 2018-11-20 | A kind of shockproof lithium battery casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209472015U true CN209472015U (en) | 2019-10-08 |
Family
ID=68087507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821915455.6U Active CN209472015U (en) | 2018-11-20 | 2018-11-20 | A kind of shockproof lithium battery casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209472015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310510A (en) * | 2020-10-31 | 2021-02-02 | 安徽正熹标王新能源有限公司 | Lithium cell is with lithium cell device that has heat dissipation function |
| CN113067066A (en) * | 2021-04-01 | 2021-07-02 | 张佳晓 | Lithium battery pack with independently replaceable battery and use method thereof |
-
2018
- 2018-11-20 CN CN201821915455.6U patent/CN209472015U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310510A (en) * | 2020-10-31 | 2021-02-02 | 安徽正熹标王新能源有限公司 | Lithium cell is with lithium cell device that has heat dissipation function |
| CN113067066A (en) * | 2021-04-01 | 2021-07-02 | 张佳晓 | Lithium battery pack with independently replaceable battery and use method thereof |
| CN113067066B (en) * | 2021-04-01 | 2022-11-25 | 深圳市嘀嗒来电科技有限公司 | Lithium battery pack with independently replaceable battery and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211112 Address after: No.855, Jianshe 2nd Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: Wanxiang 123 Co., Ltd Address before: No.855 Jianshe Er Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Wanxiang 123 Co., Ltd Patentee before: Wanxiang Group Co., Ltd |