CN206179914U - Aluminum -shell battery laps structure - Google Patents
Aluminum -shell battery laps structure Download PDFInfo
- Publication number
- CN206179914U CN206179914U CN201621221154.4U CN201621221154U CN206179914U CN 206179914 U CN206179914 U CN 206179914U CN 201621221154 U CN201621221154 U CN 201621221154U CN 206179914 U CN206179914 U CN 206179914U
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- CN
- China
- Prior art keywords
- hole
- connecting portion
- trunk portion
- holding section
- diameter
- 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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Classifications
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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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model provides an aluminum -shell battery laps structure, includes double -screw bolt and apron, the double -screw bolt includes cylinder portion, block portion and connecting portion, cylinder portion cavity forms annotates the liquid hole, and cylinder portion includes up end and the lower terminal surface of carrying on the back with the upper end facial features, block portion sets up is close to up end department in cylinder portion, and cylinder portion is still including being located the portion of exposing between block portion and the up end, connecting portion set up in the lower terminal surface of cylinder portion, and the through hole corresponding to annotating the liquid hole is offered to connecting portion, the apron is including the upper wall and be located the lower wall of upper wall one end, and the formation baffle is inwards extended to upper wall and lower wall junction, and the baffle includes upper surface and the lower surface of carrying on the back mutually with the upper surface, the baffle set up run through upper surface and lower surface at a distance from the hole, connecting portion pass at a distance from the below of hole site in the lower surface, block position in the top of upper surface, between block portion and the baffle, between cylinder portion and the baffle and form the clearance between connecting portion and the baffle, between double -screw bolt and the apron through sealed glue to fill bond mutually in the clearance, the portion of exposing in sealed gluey.
Description
【Technical field】
The utility model is related to cell art, more particularly to a kind of battery cover board of aluminum shell structure.
【Background technology】
In recent years, new-energy automobile industry had welcome explosive growth.Battery is the core of electric automobile, is also automobile work
Journey embodies with the comprehensive of electric power project engineering.Battery cover board of aluminum shell structure is used as connection inside battery and outside part, its company
The stability extreme influence for connecing the security of battery.Shaft and other parts on current aluminum-shell battery both positive and negative polarity cover plate
Separated by sealing ring, but because sealing ring is smaller, shifts or using in cell process, stud is with cover plate other positions very
Easy mediate contact, if the stud of both positive and negative polarity is contacted with cover plate will result in short circuit simultaneously, causes hot fried.
【Utility model content】
The purpose of this utility model is to provide a kind of stud with cover plate interval greatly, Stability Analysis of Structures, the aluminum hull electricity of good airproof performance
Pond covering plate structure.
To achieve these goals, the utility model provides a kind of battery cover board of aluminum shell structure, including stud and cover plate;Institute
Stating stud includes trunk portion, holding section and connecting portion;The hollow formation liquid injection hole of trunk portion, the trunk portion includes upper surface
And the lower surface opposite with the upper surface;The holding section is arranged at the trunk portion near the upper end surface, the post
Body portion also includes the exposed division being located between the holding section and the upper surface;The connecting portion is arranged at the trunk portion
Lower surface, the connecting portion offers the through hole corresponding to the liquid injection hole;The cover plate includes upper wall and on described
The lower wall of wall one end, the upper wall and the lower wall junction extend inwardly to form dividing plate, the dividing plate include upper surface and with
The opposite lower surface in the upper surface, the dividing plate is offered through the upper surface and the lower surface every hole;The company
Socket part through it is described every hole position in the lower section of the lower surface, the holding section is located at the top of the upper surface, the engaging
Between being formed between portion and the dividing plate, between the trunk portion and the dividing plate and between the connecting portion and the dividing plate
Gap, is filled in by fluid sealant bonding in the gap between the stud and the cover plate, the exposed division is exposed to close
Sealing.
In a preferred embodiment, the trunk portion and the holding section are cylindric, and the connecting portion is in rectangular
Body shape, described is circle every hole, and the diameter every hole is less than the diameter of the holding section and diagonal more than the connecting portion
The length of line, the diameter every hole is also greater than the diameter of the trunk portion.
In a preferred embodiment, the height of the upper wall more than the holding section thickness, the holding section with
Total height of the distance between the described connecting portion less than the upper wall and the lower wall;The one end of the upper wall away from the lower wall
Stretch out to form flange.
In a preferred embodiment, the fluid sealant covers the holding section, the exposed division and the connecting portion
It is exposed to the fluid sealant.
In a preferred embodiment, the liquid injection hole cross section is circle, the through hole for circular and diameter with
The diameter of the liquid injection hole is consistent.
In a preferred embodiment, multiple is offered through the upper surface every bore edges along described on the dividing plate
And the circular hole of the lower surface.
In a preferred embodiment, the holding section is the cylindric and hollow card formed corresponding to the trunk portion
Hole, the diameter of the hole clipping is consistent with the external diameter of the trunk portion, and the hole clipping is placed on the trunk portion near the upper surface
Place.
Compared to prior art, this new battery cover board of aluminum shell structure, stud is larger with cover plate interval, reduces stud
The risk contacted with cover plate;Flange wider is designed with cover plate, it is to avoid because external force effect cover plate and aluminum hull depart from when playing steel ball;
Battery cover board of aluminum shell structure and its fluid sealant, electrolyte resistance and heat-resisting quantity are stronger, and thermal contraction will not occur, and cohesive force is strong,
It is difficult to depart from aluminium material, it is ensured that the sealing of battery.
【Brief description of the drawings】
The stud and the main view of cover plate combination of the battery cover board of aluminum shell structure that Fig. 1 is provided for the utility model implementation method
Figure.
The stud of battery cover board of aluminum shell structure and looking up for cover plate combination that Fig. 2 is provided for the utility model implementation method
Figure.
The stereogram of the stud of the battery cover board of aluminum shell structure that Fig. 3 is provided for the utility model implementation method.
The stereogram of the cover plate of the battery cover board of aluminum shell structure that Fig. 4 is provided for the utility model implementation method.
Top view after the injection fluid sealant of the battery cover board of aluminum shell structure that Fig. 5 is provided for the utility model implementation method.
Upward view after the injection fluid sealant of the battery cover board of aluminum shell structure that Fig. 6 is provided for the utility model implementation method.
【Specific embodiment】
In order that the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with
Accompanying drawing in the utility model implementation method, is clearly and completely retouched to the technical scheme in the utility model implementation method
State, it is clear that described implementation method is only a part of implementation method of the utility model, rather than whole implementation methods.
Based on the implementation method in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other implementation method, belong to the utility model protection scope.
As shown in figure 1, a kind of battery cover board of aluminum shell structure 100 that the utility model is provided, including stud 10 and cover plate 20.
As shown in Figures 2 and 3, the stud 10 includes trunk portion 11, holding section 12 and connecting portion 13.The trunk portion 11
It is cylindric and hollow formation liquid injection hole 111.The cross section of the liquid injection hole 111 is circular and a diameter of 1-1.5mm.The cylinder
Portion 11 includes upper surface 112 and the lower surface 113 opposite with the upper surface 112.The holding section 12 is arranged at the cylinder
Portion 11 is at the upper surface 112.Specifically, the holding section 12 corresponds to the trunk portion for cylindric and hollow formation
11 hole clipping 121.The diameter of the hole clipping 121 is consistent with the external diameter of the trunk portion 11.The hole clipping 121 is placed on the cylinder
Portion 11 is at the upper surface 112.In the present embodiment, the holding section 12 is by the hole clipping 121 and the cylinder
Portion 11 is fixedly welded in the trunk portion 11.The trunk portion 11 also includes being located at the holding section 12 and the upper surface
Exposed division 114 between 112.The connecting portion 13 is in rectangular-shape and centre offers passing through corresponding to the liquid injection hole 111
Perforation 131.The through hole 131 is for circle and diameter is consistent with the diameter of the liquid injection hole 111.The connecting portion 13 is arranged at
The lower surface 113 of the trunk portion 11 and through hole 131 overlaps with the liquid injection hole 111.In the present embodiment, it is described
Connecting portion 13 is by being fixedly welded on the lower surface 113 of the trunk portion 11.The connecting portion 13 be used for battery roll core on
Lug or the piece that confluxes are connected, and connected mode can be ultra-sonic welded or laser welding.
As shown in Figures 2 and 4, the cover plate 20 is hollow cylindrical.The cover plate 20 includes upper wall 21 and positioned at described
The lower wall 22 of the one end of upper wall 21.The upper wall 21 stretches out to form flange 211 away from one end of the lower wall 22.The flange
The width of 211 protrusions is welded by the flange 211 with the consistency of thickness of aluminum hull, the battery cover board of aluminum shell structure 100 with aluminum hull
It is connected together.The upper wall 21 extends inwardly to form dividing plate 23 with the junction of the lower wall 22.The dividing plate 23 includes upper surface
231 and the lower surface 232 opposite with the upper surface 231.Offered in the middle of the dividing plate 23 through the upper surface 231 and institute
State the circular every hole 233 of lower surface 232, the diameter every hole 233 less than the holding section 12 diameter and more than described
Cornerwise length of connecting portion 13, the diameter every hole 233 is also greater than the diameter of the trunk portion 11.On the dividing plate 23
There are multiple circular holes 234 for running through the upper surface 231 and the lower surface 232 every the edge of hole 233 along described.The upper wall
, more than the thickness of the holding section 12, the distance between the holding section 12 and the connecting portion 13 are less than on described for 21 height
The total height of wall 21 and the lower wall 22.
In the present embodiment, the cover plate 20 is made up of aluminium.The battery cover board of aluminum shell structure 100 can make aluminum hull electricity
The negative or positive electrode in pond.
As shown in Figures 5 and 6, during assembling, first the cover plate 20 is positioned in a flat board (not shown) and the lower wall 22
Fitted with the flat board, be then located under the lower surface 232 connecting portion 13 of the stud 10 every hole 233 through described
Side and the flat board is resisted against, the holding section 12 is located at the top of the upper surface 231, the holding section 12 and the dividing plate
Gap is formed between 23, between the trunk portion 11 and the dividing plate 23 and between the connecting portion 13 and the dividing plate 23,
In the gap that finally fluid sealant 30 is injected in the upper wall 21 and the lower wall 22, when fluid sealant 30 covers the engaging
Portion 12, the exposed division 114 is exposed to fluid sealant 30, stops injection fluid sealant 30, after the solidification sizing of glue to be sealed 30, takes institute away
Flat board is stated, the connecting portion 13 exposes fluid sealant 30.Therefore, filled out by fluid sealant 30 between the stud 10 and the cover plate 20
Fill in bonding in the gap.The circular hole 234 can increase the stud 10 and the cover plate 20 after injection fluid sealant 30
The fastness of bonding.
In the present embodiment, the fluid sealant 30 can be epoxy resin or other there is the exhausted of plasticity and caking property
Edge material.
Compared to prior art, this new battery cover board of aluminum shell structure, stud is larger with cover plate interval, reduces stud
The risk contacted with cover plate;Flange wider is designed with cover plate, it is to avoid because external force effect cover plate and aluminum hull depart from when playing steel ball;
Battery cover board of aluminum shell structure and its fluid sealant, electrolyte resistance and heat-resisting quantity are stronger, and thermal contraction will not occur, and cohesive force is strong,
It is difficult to depart from aluminium material, it is ensured that the sealing of battery.
The utility model is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
For be easily achieved additional advantage and modification, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model be not limited to specific details, representational equipment and shown here as with retouch
The examples shown stated.
Claims (7)
1. a kind of battery cover board of aluminum shell structure, it is characterised in that:Including stud and cover plate;The stud includes trunk portion, engaging
Portion and connecting portion;The hollow formation liquid injection hole of trunk portion, the trunk portion includes upper surface and opposite with the upper surface
Lower surface;The holding section is arranged at the trunk portion near the upper end surface, and the trunk portion also includes being located at the card
Exposed division between conjunction portion and the upper surface;The connecting portion is arranged at the lower surface of the trunk portion, and the connecting portion is opened
It is provided with the through hole corresponding to the liquid injection hole;The cover plate include upper wall and the lower wall positioned at described upper wall one end, it is described on
Wall extends inwardly to form dividing plate with the lower wall junction, and the dividing plate includes upper surface and the following table opposite with the upper surface
Face, the dividing plate is offered through the upper surface and the lower surface every hole;The connecting portion through it is described every hole position in
The lower section of the lower surface, the holding section is located at the top of the upper surface, between the holding section and the dividing plate, described
Form gap between trunk portion and the dividing plate and between the connecting portion and the dividing plate, the stud and the cover plate it
Between be filled in by fluid sealant bonding in the gap, the exposed division is exposed to fluid sealant.
2. battery cover board of aluminum shell structure as claimed in claim 1, it is characterised in that:The trunk portion and the holding section are circle
Column, the connecting portion be in rectangular-shape, it is described every hole for circle, the diameter every hole less than the holding section diameter and
More than cornerwise length of the connecting portion, the diameter every hole is also greater than the diameter of the trunk portion.
3. battery cover board of aluminum shell structure as claimed in claim 1, it is characterised in that:The height of the upper wall is more than the engaging
The total height of the distance between the thickness in portion, the holding section and described connecting portion less than the upper wall and the lower wall;It is described
Upper wall stretches out to form flange away from one end of the lower wall.
4. battery cover board of aluminum shell structure as claimed in claim 1, it is characterised in that:The fluid sealant covers the holding section,
The exposed division and the connecting portion are exposed to the fluid sealant.
5. battery cover board of aluminum shell structure as claimed in claim 1, it is characterised in that:The liquid injection hole cross section is circle, institute
State that through hole is circular and diameter is consistent with the diameter of the liquid injection hole.
6. battery cover board of aluminum shell structure as claimed in claim 1, it is characterised in that:Opened every bore edges along described on the dividing plate
It is provided with multiple circular holes for running through the upper surface and the lower surface.
7. battery cover board of aluminum shell structure as claimed in claim 2, it is characterised in that:The holding section is cylindric and hollow shape
Into the hole clipping corresponding to the trunk portion, the diameter of the hole clipping is consistent with the external diameter of the trunk portion, and the hole clipping is placed on institute
Trunk portion is stated near the upper end surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621221154.4U CN206179914U (en) | 2016-11-10 | 2016-11-10 | Aluminum -shell battery laps structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621221154.4U CN206179914U (en) | 2016-11-10 | 2016-11-10 | Aluminum -shell battery laps structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206179914U true CN206179914U (en) | 2017-05-17 |
Family
ID=58685156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621221154.4U Active CN206179914U (en) | 2016-11-10 | 2016-11-10 | Aluminum -shell battery laps structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206179914U (en) |
-
2016
- 2016-11-10 CN CN201621221154.4U patent/CN206179914U/en active Active
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GR01 | Patent grant | ||
PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20170517 |
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PP01 | Preservation of patent right | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20170517 |
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PD01 | Discharge of preservation of patent | ||
PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20170517 |
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PP01 | Preservation of patent right |