CN209133577U - A kind of used in new energy vehicles battery case with assembling clamping function - Google Patents
A kind of used in new energy vehicles battery case with assembling clamping function Download PDFInfo
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- CN209133577U CN209133577U CN201822146350.5U CN201822146350U CN209133577U CN 209133577 U CN209133577 U CN 209133577U CN 201822146350 U CN201822146350 U CN 201822146350U CN 209133577 U CN209133577 U CN 209133577U
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- Prior art keywords
- battery case
- bottom plate
- new energy
- side wall
- energy vehicles
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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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- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a kind of used in new energy vehicles battery cases with assembling clamping function, and the battery case includes upper housing and lower case, and the upper housing is mounted in the lower case；The lower case includes bottom plate and multiple side walls, is in clamping connection between multiple side walls by dovetail structure, and the side wall bottom end is in clamping connection with the bottom plate outer edge.The utility model effectively realizes the lightweight of battery case, and assembling is cleverly spliced by a variety of connection structures using simple and easy to process structure, realize the connection and sealing between battery case part, efficiently avoid welding procedure, production cost can not only be reduced and working strength can be reduced, improve production efficiency.
Description
Technical field
The utility model relates to a kind of automobile batteries casees, and in particular to a kind of used in new energy vehicles with assembling clamping function
Battery case.
Background technique
It is well known that occupy complete vehicle quality specific gravity larger for power battery module and Battery case in new-energy automobile,
It is the bottleneck of electric car light-weight design.And power core of the battery case as electric car, the rigidity of structure, intensity,
The performances such as mode, collision safety, fatigue properties and thermal stability are directly related to the driver comfort of electric car, dynamic property
The safety of energy, course continuation mileage, service life and vehicle.
The energy density ratio of battery case is improved using more excellent performance of technique and material and properties are enhancings
The effective way of new-energy automobile core competitiveness.Current battery tank shell mostly uses greatly conventional steel sheet metal component and die casting aluminium
Deng light weight effect is to be improved.With light-weighted development and meet the high performance requirement of electric vehicle, battery tank shell is opened
Begin selection new material, such as aluminum alloy materials, glass fibre reinforced composite material, SMC sheet shape material, carbon fibre reinforced composite are more
Kind light-weighted material, these new materials can be realized lightweight and promote the mechanical property of battery case, wherein aluminium alloy with
And composite material has very big loss of weight advantage.
But since current production and Joining Technology etc. influence, the lightweight battery case designed at present is caused to have as follows
Defect:
1, many new material production technologies are also immature at present, and scale mass production is also difficult to realize, so causing
Cost required for the battery case of carbon fiber, aluminium alloy and other new materials is produced obviously than needed for traditional steel sheet metal component
The cost wanted is costly.
2, battery case has very high sealing waterproof requirement, and the connection between each battery tank module cannot use riveting or spiral shell
It tethers and connects, the arc weld of generation is more, and very high to welding required precision during the manufacturing.
3, using a variety of new materials realize it is light-weighted during, it is essential to need to ask in view of dissimilar material joining
Topic.Due to there is very big difference between physical property and chemical property between dissimilar material, the requirement to connection is very harsh,
So it is difficult to ensure that the performance of dissimilar material joining raw material is not affected, and consumed required for being connected between dissimilar material
It is at high cost, the time is long.
4, excessively pursue lightweight will lead to composition battery case number of parts it is excessive, cause number of parts excessively redundancy and
It is complicated.
5, most of battery cases are whole designs at present, once some position goes wrong, integral battery packet needs whole
It scraps, service life of battery pack is restricted very much.
Utility model content
To solve the above-mentioned problems in the prior art, the utility model provides a kind of with assembling clamping function
Used in new energy vehicles battery case, the battery case take into account the demand of mass production while realizing lightweight and improving performance, reduce life
Produce cost.
The utility model is attained in that by following specific technical solution
A kind of used in new energy vehicles battery case with assembling clamping function, which is characterized in that the battery case includes upper casing
Body and lower case, the upper housing are mounted in the lower case；
The lower case includes bottom plate and multiple side walls, is in clamping connection between multiple side walls by dovetail structure,
The side wall bottom end is in clamping connection with the bottom plate outer edge.
Further, the bottom plate is inlayed realization by rectangle splicing construction with the side wall and is in clamping connection.
Further, the bottom plate outer edge has rectangle tenon, and side wall bottom end side has the rectangle fourth of the twelve Earthly Branches mouthful；Along
Bottom plate described in the bottom plate direction is inlayed with side wall realization to be connect.
Further, the battery case further includes multiple dovetail rabbet workings with multiple angles, and the two of multiple side walls
End is respectively provided with the dovetail Tenon mouth of predetermined angular in predetermined position；The dovetail rabbet working with respective angles is inserted into two
Between the adjacent side wall in the corresponding dovetail Tenon mouth, that realizes two adjacent side walls inlays connection.
Further, the lower case includes bottom plate described in muti-piece, passes through round splicing construction between bottom plate described in muti-piece
Inlay the fastening and sealing for realizing the bottom plate.
Further, the lower case is extruded from using cavity thin-wall aluminum alloy plate.
Further, the upper housing is stamped to form according to preset shape by thin-wall aluminum alloy material.
Further, the battery case further includes mounting bracket, and the mounting bracket is fixedly mounted on institute by predeterminated position
State the outside of side wall.
Further, the mounting bracket is aluminium alloy extruded molded part.
Further, the side wall with the bottom plate in predetermined position are an integral molding structure.
The utility model has the beneficial effects that
1, the connection type of round splicing, rectangle splicing and the dovetail that this battery case uses etc. can preferably realize electricity
The connection request of pond case and the requirement of sealing, and the correlation between battery case part can be enhanced, by between part
Interaction, dispersion the single part impact and vibration that are subject to reduce battery pack single part in use and wear, mention
High battery case service life.
2, the splicing of Tenon designed by the utility model battery case can be dismantled flexibly, can effectively replace and to go wrong
Part so as to effectively increase the service life of battery case, and reduces the maintenance cost of battery case.
3, the utility model completes fastening and sealing between battery case part by mortise-tenon joint, is without the use of Welder
Skill can reduce the cost in battery case production process, and reduce battery case production process, effectively increase battery case at
Type efficiency, shortens the production cycle.
4, power battery box using aluminum alloy materials have easy processing molding, anti-corrosion property at high temperature, good conductivity of heat and
The characteristics of electric conductivity.Al-alloy casing (in addition to cap) can one-off drawing forming, relative to stainless steel, Welder can be saved
Skill is not in lead to problems such as weldquality decline because of metallic element scaling loss.
Detailed description of the invention
Fig. 1 is the used in new energy vehicles battery case structure chart that the utility model has assembling clamping function；
Fig. 2 is lower case structural schematic diagram in the utility model；
Fig. 3 is the utility model insole board circle splicing construction schematic diagram；
Fig. 4 is side wall dovetail splicing construction schematic diagram in the utility model；
Fig. 5 is dovetail rabbet working schematic diagram in the utility model；
Fig. 6 is the utility model insole board and side wall rectangle splicing construction schematic diagram；
Fig. 7 is the first bottom plate and side wall assembly structure diagram in the utility model；
Fig. 8 is the second bottom plate and third bottom plate assembly structure diagram in the utility model；
Fig. 9 is the utility model insole board and partial sidewall assembly structure diagram；
Figure 10 is that the utility model insole board and side wall assemble to form lower case structural schematic diagram.
Wherein: 1- upper housing, 2- fixing bolt, 3-lower cases, 4- mounting bracket, 5-bottom plates, the first bottom plate of 5.1-, 5.2-
Second bottom plate, 5.3- third bottom plate, 6- side wall, 6.1- the first side wall, 6.2- second sidewall, 6.3- third side wall, 6.4- the 4th
Side wall, 7- dovetail rabbet working.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the application, below with reference to specific embodiment
The utility model is described in further details with attached drawing.
In the utility model, term " installation ", " connected ", " connecting ", " connection ", " fixation " etc. be shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, be also possible to be integrally connected, be also possible to be mechanically connected, it can also
To be electrical connection or can be in communication with each other, it is also possible to be directly connected to, is also possible to be indirectly connected with by intermediary, can be
Connection inside two components, is also possible to the interaction relationship of two components.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The present embodiment describes a kind of used in new energy vehicles battery case with assembling clamping function, which is closed using aluminium
Golden material is made, and mitigates the weight of battery case, while using simple connection structure easy to process, by cleverly splicing assembling
Structure realizes the connection and sealing of battery case, can not only reduce production cost and can reduce working strength, improves production
Efficiency.
The battery case of the present embodiment is a kind of detachable battery case, can be replaced, mention to the part to go wrong
The service life of high battery case reduces the maintenance cost of battery case.As shown in Figure 1, battery case by upper housing 1, fixing bolt 2,
The parts such as lower case 3, mounting bracket 4 composition.Upper housing 1, lower case 3 and mounting bracket 4 are all made of aluminum alloy materials.
Upper housing 1 is stamped to form according to preset shape by thin-wall aluminum alloy material, since battery case upper housing 1 is not main
Force part, using thin wall stamping part not only can sufficiently realize mitigate battery case case weight effect but also mechanical property can be improved
Energy.Upper housing 1 is fixed in lower case 3 using fixing bolt 2, forms cavity between lower case 3, for installing battery mould
Group.
Lower case 3 uses cavity thin-wall aluminum alloy plate extrded material, is spelled by circle splicing, dovetail Tenon and rectangle
Realization is connect to be fastenedly connected.Since extruding aluminium alloy die cost is low, and it can be designed that more complicated structure section, for
Promoting mass production and reducing lightweight cost has extraordinary facilitation.As shown in Fig. 2, lower case 3 is by bottom plate 5 and side
Wall 6 forms, and bottom plate 5 and side wall 6 are all made of aluminium alloy extruded product.
As shown in Figures 2 and 3, in the present embodiment the bottom plate 5 of lower case 3 by the first bottom plate 5.1, the second bottom plate 5.2 and
Three bottom plates 5.3 pass sequentially through round splicing construction mosaic splicing and form.The specification shape of 3 bottom plate 5 of lower case according to needed for battery case
Shape, bottom plate 5 are not limited to 3 pieces of bottom plate connections, can be set according to actual conditions.The edge of two adjacent bottom plates 5 is correspondingly provided with round tenon
The fastening and sealing realized between bottom plate 5 are spliced by round in head and the round fourth of the twelve Earthly Branches mouthful.
First bottom plate 5.1 is connected to 5.2 front and rear sides edge of the second bottom plate, and the first bottom with third bottom plate 5.3
Plate 5.1 is located at the second bottom plate 5.2 connection edge middle position, its excess-three side edge of the first bottom plate 5.1 and the second bottom plate 5.2 and the
The left and right sides edge of three bottom plates 5.3 is respectively provided with rectangle tenon, for connecting with side wall 6.
Lower case 3 includes multiple side walls 6, passes through dovetail splicing construction assembly and connection, realization side wall between multiple side walls 6
Overlap joint and locking between 6.As shown in figure 4, according to the contour structures of battery case lower case 3, in 6 both ends predetermined position of side wall point
Not Ju You predetermined angular dovetail Tenon mouth, will have respective angles (angle refer to two trapezoid horizontal central axis of dovetail rabbet working it
Between angle) dovetail rabbet working 7 (see Fig. 5) be inserted between two adjacent walls 6 in corresponding dovetail Tenon mouth, realize two phases
Tenon between adjacent side wall 6 is inlayed, and the connection and fixation of two side walls 6 are completed, and connects the adjacent outer edge of latter two side wall 6
In predetermined angular.
Since dovetail tenon is bucking ladder structure, the corner high intensity of the splicing construction can be made to engage, avoided in stress
When disengage.6 bottom end side of side wall has the rectangle fourth of the twelve Earthly Branches mouthful, for being in clamping connection and sealing with the outer peripheral rectangle tenon of bottom plate 5, such as
Shown in Fig. 6.
Multiple side walls 6 are as shown in Fig. 7, Fig. 8 and Figure 10 in the present embodiment, by the first side wall 6.1, second sidewall 6.2, third
Side wall 6.3 and the 4th side wall 6.4 are constituted.Wherein, 6.1 both ends side of the first side wall have dovetail Tenon mouth, 6.2 liang of second sidewall
End is respectively provided with dovetail Tenon mouth, and two second sidewalls 6.2 are connected with 6.1 left and right ends of the first side wall respectively, by dovetail rabbet working 7
After being connected and fixed in corresponding with the second sidewall 6.2 dovetail Tenon mouth of insertion the first side wall 6.1, the first side wall 6.1 and the can be made
Two side walls, 6.2 outer end face is concordant；The dovetail Tenon mouth and third side wall 6.3 and 6.4 liang of the 4th side wall of 6.2 other end of second sidewall
The dovetail Tenon mouth at end tilts at a predetermined angle according to the contour structures of lower case 3, and passes through the dovetail with respective angles
First 7 are inserted into the dovetail Tenon mouth of adjacent two sidewalls 6 connection and sealing for realizing side wall 6.According to the shape of battery case lower case 3
Structure, the first side wall 6.1, second sidewall 6.2, third side wall 6.3 or the 4th side wall 6.4 can be multiple.Wherein, multiple third sides
Wall 6.3 is integrally formed (see Fig. 8) in predetermined position and the second bottom plate 5.2 and third bottom plate 5.3.
The battery case of the present embodiment includes multiple mounting brackets 4, and multiple mounting brackets 4 are fixedly mounted by predeterminated position respectively
In the outside of side wall 6, for the battery case is fixed onboard.In the present embodiment mounting bracket 4 can for it is aluminium alloy extruded at
Type part.
In order to enable battery case lower case 3 finally can effectively overlap integral, the splicing of lower case 3 sequence is as follows:
One, two second sidewalls 6.2 are assembled in by 6.1 left and right ends of the first side wall by dovetail mortise-tenon joint, passed through
The first side wall 6.1 and second sidewall 6.2 are connect by rectangle splicing with the first bottom plate 5.1, complete the first bottom plate 5.1 and side wall 6
Assembling splicing, as shown in Figure 7；
Two, the second bottom plate 5.2 and third bottom plate 5.3 are assembled by round splicing construction, as shown in figure 8, then, it will
Pass through round splicing construction and 5.2 assembly and connection of the second bottom plate, such as Fig. 9 in step 1 with spliced first bottom plate 5.1 of side wall 6
It is shown；
Three, along the direction of bottom plate 5, by rectangle splicing construction by multiple 4th side wall, 6.4 assembly and connections at the second bottom
The left and right ends of plate 5.2 and third bottom plate 5.3, as shown in Figure 10；
Four, dovetail rabbet working 7 is inserted into the dovetail Tenon mouth between two neighboring side wall 6, completes last whole battery
The splicing and assembling of case.
Due to the joint assembling of this battery case distinctive round splicing construction, dovetail splicing construction and rectangle splicing construction
Design inherently has sealing and fastening effect, can disperse the impact that single part is subject to, using connection structure between part,
So that splicing construction is had the function of assembling clamping, so as to cancel welding procedure, reduces battery pack production cost, also more preferably really
The mechanical property for protecting battery case in splicing is smaller by being influenced.On the basis of battery case completes assembling splicing, moreover it is possible to logical
Cross sealing and connection that sealant reinforces battery case lower case 3.
Although the principles of the present invention are described in detail in the preferred embodiment above in conjunction with the utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to the exemplary implementation of the utility model, and
The non-restriction to the utility model scope.Details in embodiment does not constitute the limitation to the scope of the utility model,
Without departing substantially from the utility model spirit and scope in the case where, any equivalent transformation based on technical solutions of the utility model, letter
Single replacement etc. is obvious to be changed, and is all fallen within scope of protection of the utility model.
Claims (10)
1. a kind of used in new energy vehicles battery case with assembling clamping function, which is characterized in that the battery case includes upper housing
(1) it is mounted on the lower case (3) with lower case (3), the upper housing (1)；
The lower case (3) includes bottom plate (5) and multiple side walls (6), passes through dovetail structure card between multiple side walls (6)
It is tightly connected, side wall (6) bottom end is in clamping connection with the bottom plate (5) outer edge.
2. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that the bottom
Plate (5) is inlayed realization by rectangle splicing construction with the side wall (6) and is in clamping connection.
3. the used in new energy vehicles battery case with assembling clamping function according to claim 2, which is characterized in that the bottom
Plate (5) outer edge has rectangle tenon, and side wall (6) the bottom end side has the rectangle fourth of the twelve Earthly Branches mouthful；Along the bottom plate (5) direction institute
It states bottom plate (5) and the side wall (6) and realizes to inlay and connect.
4. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that the electricity
Pond case further includes multiple dovetail rabbet workings (7) with multiple angles, and the both ends of multiple side walls (6) have respectively in predetermined position
There is the dovetail Tenon mouth of predetermined angular；The dovetail rabbet working (7) with respective angles is inserted into two adjacent side walls (6)
Between in the corresponding dovetail Tenon mouth, that realizes two adjacent side walls (6) inlays connection.
5. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that under described
Shell (3) includes bottom plate described in muti-piece (5), is inlayed between bottom plate (5) described in muti-piece by round splicing construction and realizes the bottom
The fastening and sealing of plate (5).
6. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that under described
Shell (3) is extruded from using cavity thin-wall aluminum alloy plate.
7. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that on described
Shell (1) is stamped to form according to preset shape by thin-wall aluminum alloy material.
8. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that the electricity
Pond case further includes mounting bracket (4), and the mounting bracket (4) is fixedly mounted on the outside of the side wall (6) by predeterminated position.
9. the used in new energy vehicles battery case with assembling clamping function according to claim 8, which is characterized in that the peace
Filling bracket (4) is aluminium alloy extruded molded part.
10. the used in new energy vehicles battery case with assembling clamping function according to claim 1, which is characterized in that predetermined
The side wall (6) of position is an integral molding structure with the bottom plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146350.5U CN209133577U (en) | 2018-12-20 | 2018-12-20 | A kind of used in new energy vehicles battery case with assembling clamping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146350.5U CN209133577U (en) | 2018-12-20 | 2018-12-20 | A kind of used in new energy vehicles battery case with assembling clamping function |
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| Publication Number | Publication Date |
|---|---|
| CN209133577U true CN209133577U (en) | 2019-07-19 |
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| CN201822146350.5U Active CN209133577U (en) | 2018-12-20 | 2018-12-20 | A kind of used in new energy vehicles battery case with assembling clamping function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534679A (en) * | 2019-09-30 | 2019-12-03 | 江西优特汽车技术有限公司 | A kind of battery for electric automobile cabinet with anti-vibration effect |
| CN114725597A (en) * | 2022-03-25 | 2022-07-08 | 江苏天钧精密技术有限公司 | High-strength and light-weight battery box body with tenon-and-mortise structure and manufacturing method thereof |
| CN115295944A (en) * | 2022-08-15 | 2022-11-04 | 浙江米皇新材股份有限公司 | Full tenon, glue joint new energy automobile battery tray battery package lower box |
| CN115411435A (en) * | 2022-07-18 | 2022-11-29 | 江苏大学 | Cartridge battery box structure |
| CN115764116A (en) * | 2022-08-27 | 2023-03-07 | 浙江米皇新材股份有限公司 | Production process of full-tenon-joint new energy automobile battery tray |
-
2018
- 2018-12-20 CN CN201822146350.5U patent/CN209133577U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534679A (en) * | 2019-09-30 | 2019-12-03 | 江西优特汽车技术有限公司 | A kind of battery for electric automobile cabinet with anti-vibration effect |
| CN114725597A (en) * | 2022-03-25 | 2022-07-08 | 江苏天钧精密技术有限公司 | High-strength and light-weight battery box body with tenon-and-mortise structure and manufacturing method thereof |
| CN114725597B (en) * | 2022-03-25 | 2024-03-12 | 江苏天钧精密技术有限公司 | High-strength and lightweight battery box body with mortise and tenon structure and manufacturing method thereof |
| CN115411435A (en) * | 2022-07-18 | 2022-11-29 | 江苏大学 | Cartridge battery box structure |
| CN115411435B (en) * | 2022-07-18 | 2024-05-24 | 江苏大学 | Barrel type battery box structure |
| CN115295944A (en) * | 2022-08-15 | 2022-11-04 | 浙江米皇新材股份有限公司 | Full tenon, glue joint new energy automobile battery tray battery package lower box |
| CN115764116A (en) * | 2022-08-27 | 2023-03-07 | 浙江米皇新材股份有限公司 | Production process of full-tenon-joint new energy automobile battery tray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new energy vehicle battery box with assembly and clamping function Effective date of registration: 20210430 Granted publication date: 20190719 Pledgee: Liuzhou Dongcheng SME Financing Guarantee Co.,Ltd. Pledgor: AISN INNOVATIVE DESIGN AND MANUFACTURING Co.,Ltd. Registration number: Y2021450000013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230414 Granted publication date: 20190719 Pledgee: Liuzhou Dongcheng SME Financing Guarantee Co.,Ltd. Pledgor: AISN INNOVATIVE DESIGN AND MANUFACTURING Co.,Ltd. Registration number: Y2021450000013 |