CN109817863A - A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint - Google Patents
A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint Download PDFInfo
- Publication number
- CN109817863A CN109817863A CN201910237106.6A CN201910237106A CN109817863A CN 109817863 A CN109817863 A CN 109817863A CN 201910237106 A CN201910237106 A CN 201910237106A CN 109817863 A CN109817863 A CN 109817863A
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- CN
- China
- Prior art keywords
- stringer
- battery pack
- link block
- constraint
- pack cabinet
- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of multiple spots through the full aluminium chassis battery pack cabinet of constraint, battery modules are placed in battery pack cabinet of the invention, the weight of battery modules is mainly born by stringer and mould group installation stringer, three or more support link blocks are set by the upper side in every stringer along stringer length direction, damping sponge pad is set between the upper surface and upper cover of support link block, make stringer by screw bolt and nut, support link block, damping sponge pad and upper cover, which are fastenedly connected, to be integrated, the gravity that battery modules can in this way acted on stringer and mould group installation stringer is distributed on lid, the gravity of battery modules is avoided to be acted on the bottom plate of lower box completely, the bottom plate intermediate region that lower box can be effectively prevented is subjected to displacement deformation, battery pack cabinet is improved to the bearing capacity of battery modules.
Description
Technical field
The invention belongs to Battery case technical fields for electric vehicle, and it is complete through what is constrained to be specifically related to a kind of multiple spot
Aluminium chassis battery pack cabinet.
Background technique
Battery pack cabinet is the important component of New-energy electric vehicle, is normally mounted at lower car body, main to use
It will not be damaged when by external world's collision, extruding in the battery modules of protection receiving in the inner, the carrying as battery modules
Part plays key effect to the trouble free service and protection of battery modules.For energy conservation and environmental protection and lightweight, battery pack cabinet is used
The light materials such as aluminium alloy are made.
Pass through long-term development test and using practice, it has been found that carrying of the existing battery pack cabinet to battery modules
Ability is poor, and the bottom plate intermediate region of lower box is easy to happen biggish displacement deformation, is not able to satisfy to its internal cell mould
The protection requirement of group.
In these cases, it is necessary to provide a kind of multiple spot through the full aluminium chassis battery pack cabinet of constraint, by battery
The gravity that mould group acts on lower box bottom plate is dispersed, and is avoided the bottom plate intermediate region of lower box from being subjected to displacement deformation, is mentioned
Bearing capacity of the high battery pack cabinet to battery modules.
Summary of the invention
The technical problem to be solved by the present invention is to, provide a kind of multiple spot through the full aluminium chassis battery pack cabinet of constraint,
The gravity that battery modules can be acted on lower box bottom plate disperses, and the bottom plate intermediate region of lower box is avoided to be subjected to displacement
Deformation, can be with overcome the deficiencies in the prior art.
In order to solve the above technical problems, the technical scheme is that a kind of multiple spot is through the full aluminium chassis battery constrained
Lodge body, it includes lower box and the upper cover that is adapted to lower box, and two or more stringers are equipped on the bottom plate of lower box,
The front and rear sides face of stringer is equipped with the mould group installation base uniformly distributed along stringer length direction, on the bottom plate of lower box under
Be additionally provided at the front and back frame of cabinet mould group installation stringer, the stringer and mould group installation stringer both ends respectively with lower box
Left and right side frame is vertically fixedly connected, and is equipped with mould group mounting hole on mould group installation base and mould group installation stringer, vertical at every
The upper side of beam along the setting of stringer length direction there are three above support link block, the lower end surface of the support link block and vertical
The upper side of beam is in contact, and is provided with damping sponge pad, the stringer, branch between the upper surface and top cover of the support link block
Support link block, damping sponge pad and upper cover are fastenedly connected by screw bolt and nut and are integrated.
Above-mentioned multiple spot is stringer described in the screw bolt passes, branch through the full aluminium chassis battery pack cabinet of constraint
The mounting hole for supportting link block, damping sponge pad and upper cover for the mounting hole that bolt passes through is to the heavy of lower recess on the upper lid
The top end face of the sink hole is arranged in platform hole, the nut.
Above-mentioned multiple spot is that the bolt is flange bolt, the nowel through the full aluminium chassis battery pack cabinet of constraint
The through-hole for embedding flange bolt head and ring flange is offered on the bottom plate of body.
Above-mentioned multiple spot is through the full aluminium chassis battery pack cabinet of constraint, close to method on the shank of bolt of the flange bolt
The lower end of one section of set rubber sleeve of blue disk, the rubber sleeve is equipped with an outer rim, and the outer rim is pressed on the upper surface of ring flange
Between the downside of stringer.
Above-mentioned multiple spot through constraint full aluminium chassis battery pack cabinet be, the shank of bolt of the bolt include light bar segment,
The thread segment that matches with the nut and the extended segment for being pierced by the nut, the extended segment is provided with external screw thread.
Above-mentioned multiple spot is through the full aluminium chassis battery pack cabinet of constraint, the front and back frame of the lower box and corresponding mould
Strengthening rib strip is equipped between group installation stringer.
Above-mentioned multiple spot is through the full aluminium chassis battery pack cabinet of constraint, the frame all around of the lower box by
Riser and transverse slat composition, transverse slat is vertically set on the lateral surface of vertical version, and the cross section of riser is in stud, in the inner cavity of transverse slat
Equipped with stiffener plate, the cross section of the stringer is in stud, and the frame all around and stringer of the lower box are to squeeze
Molding integral structure.
Above-mentioned multiple spot is the quantity of the support link block on every stringer through the full aluminium chassis battery pack cabinet of constraint
It is three, the middle part of stringer is arranged in a support link block, and the distance between other two support link block is stringer length
1/3 and the opposite supermedial support link block of the stringer it is symmetrical.
Above-mentioned multiple spot is to connect with support on mould group installation stringer through the full aluminium chassis battery pack cabinet of constraint
The front/rear end for connecing block offers weight loss groove.
Above-mentioned multiple spot is the downside of described support link block or so end face through the full aluminium chassis battery pack cabinet of constraint
Limiting slot is offered, limited block is installed in limiting slot.
Compared with the prior art, the beneficial effects of the present invention are: battery modules are placed in battery pack cabinet of the invention,
The weight of battery modules is mainly born by stringer and mould group installation stringer, by the upper side in every stringer along stringer length side
To setting three or more support link blocks, damping sponge pad is set between the upper surface and upper cover of support link block, is passed through
Screw bolt and nut makes stringer, support link block, damping sponge pad and upper cover be fastenedly connected and be integrated, and such setting can make electricity
The gravity that Chi Mo group acts on stringer and mould group installation stringer is distributed on lid, and the gravity of battery modules is avoided to act on completely
On the bottom plate of lower box, the bottom plate intermediate region that can be effectively prevented lower box is subjected to displacement deformation, improves battery pack cabinet
To the bearing capacity of battery modules.
The mounting hole passed through on upper lid for bolt is the sink hole to lower recess, is opened up on the bottom plate of lower box for embedding
The through-hole of flange bolt head and ring flange, such setting reduce outwardly protruding for battery pack tank surface, can facilitate electricity
The installation of pond lodge body is placed.
Close to one section of set rubber sleeve of ring flange on the shank of bolt of flange bolt, the lower end of the rubber sleeve is equipped with outside one
Edge, the outer rim are pressed between the upper surface of ring flange and the downside of stringer, can block steam by rubber sleeve in this way from vertical
Mounting hole on beam enters in battery pack cabinet, realizes waterproof purpose.
Bolt has the extended segment for being pierced by nut, and external screw thread is arranged in extended segment, and not only being facilitated by the extended segment will be electric
Pond lodge body is firm to be mounted on body platform bottom, moreover it is possible to pull up upper cover by the connection with body platform bottom
Power avoids upper cover that the deformation to lower recess occurs.
Strengthening rib strip, the side all around of lower box are set between the front and back frame of lower box and corresponding mould group installation stringer
Frame is made of riser and transverse slat, and the cross section of riser is in stud, is equipped with stiffener plate in the inner cavity of transverse slat, stringer it is transversal
Face is in stud, and the frame all around and stringer of lower box are the integral structure of extrusion forming, and such setting improves
The strength and stiffness of battery pack cabinet, can effectively reduce the deformation of battery pack cabinet.
The quantity of support link block on every stringer is three, and the middle part of stringer is arranged in a support link block, separately
The distance between outer two supports link block symmetrically divides for 1/3 and the opposite supermedial support link block of the stringer of stringer length
Support link block is arranged at the maximum stress of stringer in this way for cloth, and stringer is held by the upward pulling force from bolt, stringer
Loading capability enhancing, can reduce the gravity that battery modules are transmitted on lower box bottom plate by stringer, to improve battery lodge
Bearing capacity of the body to battery modules.
On mould group installation stringer and the front/rear end of support link block opens up weight loss groove, can reduce the installation of mould group in this way
The weight of stringer and support link block, realizes the lightweight purpose of battery pack cabinet.
The downside of support link block or so end face opens up limiting slot, and limited block is installed in limiting slot, the limited block with
Stringer is affixed, can prevent support link block from generating displacement in this way, so that support link block plays preferably support connection function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after present invention removal upper cover.
Fig. 2 is the structural schematic diagram of upper cover of the present invention.
Fig. 3 is amplified schematic diagram at the support link block of Fig. 1.
Fig. 4 is the cross section view of Fig. 3.
Fig. 5 is the structural schematic diagram for supporting link block.
Fig. 6 is the structural schematic diagram of the cross section of stringer.
Fig. 7 is the structural schematic diagram of the cross section of the frame all around of lower box.
Fig. 8 is the structural schematic diagram of mould group installation stringer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only section Example of the invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5, attached drawing 6, attached drawing 7 and attached drawing 8, a kind of multiple spot is through about
The full aluminium chassis battery pack cabinet of beam, it includes lower box 1 and the upper cover being adapted to lower box 16, on the bottom plate of lower box 1
Equipped with two or more stringers 2, it is equipped on the front and rear sides face of stringer 2 convex along the uniformly distributed mould group installation of 2 length direction of stringer
Platform 3 is additionally provided with mould group installation stringer 4, the stringer 2 and mould on the bottom plate of lower box 1 at frame before and after lower box 1
The both ends of group installation stringer 4 are vertical with the left and right side frame of lower box 1 respectively to be fixedly connected, and is pacified in mould group installation base 3 and mould group
It is equipped with mould group mounting hole 5 on dress stringer 4, there are three above along the setting of 2 length direction of stringer in the upper side of every stringer 2
Link block 7 is supported, the lower end surface of the support link block 7 is in contact with the upper side of stringer 2, described to support the upper of link block 7
Damping sponge pad 8 is provided between end face and top cover 2, the stringer 2, support link block 7, damping sponge pad 8 and upper cover 6 pass through
Bolt 9 and nut 10 are fastenedly connected and are integrated.
Specifically, the bolt 9 sequentially passes through the peace of the stringer 2, support link block 7, damping sponge pad 8 and upper cover 6
Hole is filled, is sunk for the sink hole of lower recess, the nut 10 is arranged described in the upper cover 6 for the mounting hole that bolt 9 passes through
The top end face in platform hole；The bolt 9 is flange bolt, is offered on the bottom plate of the lower box 1 for embedding flange bolt head
The through-hole 11 of portion and ring flange, such setting reduce nut 10, flange bolt head and ring flange relative to battery lodge
The bulge quantity of external surface, conducive to the installation of battery pack cabinet.
Further, in order to avoid steam enters in battery pack cabinet from the mounting hole on stringer 2, the flange bolt
Close to one section of set rubber sleeve 12 of ring flange on shank of bolt, the lower end of the rubber sleeve 12 is equipped with an outer rim, the outer rim pressure
It is located between the upper surface of ring flange and the downside of stringer 2.
Specifically, the shank of bolt of the bolt 9 includes light bar segment, the thread segment matched with the nut 10 and is pierced by institute
The extended segment of nut 10 is stated, the extended segment is provided with external screw thread, not only facilitates by the extended segment and consolidates battery pack cabinet
It is mounted on body platform bottom, moreover it is possible to make upper cover 6 by upward pulling force by the connection with body platform bottom, avoid upper cover 6
The deformation to lower recess occurs.
Specifically, strengthening rib strip 13 is equipped between the front and back frame of the lower box 1 and corresponding mould group installation stringer 4；Institute
The frame all around for stating lower box 1 is made of riser and transverse slat, and transverse slat is vertically set on the lateral surface of vertical version, riser
Cross section is in stud, and stiffener plate is equipped in the inner cavity of transverse slat, and the cross section of the stringer 2 is in stud, the lower box 1
Frame all around and stringer 2 be extrusion forming integral structure, these settings improve the intensity of battery pack cabinet
And rigidity, the deformation of battery pack cabinet can be effectively reduced.
Specifically, the quantity of the support link block 7 on every stringer 2 is three, and a support link block is arranged in stringer 2
Middle part, other two support the distance between link block for 2 length of stringer 1/3 and the opposite supermedial support of stringer 2
Link block is symmetrical, is obtained by test of many times analysis, and support link block 7 is placed exactly at the maximum stress of stringer 2, stringer
2 are enhanced by the upward pulling force from bolt 9, the bearing capacity of stringer 2, can reduce battery modules and are passed by stringer 2
The gravity being delivered on 1 bottom plate of lower box improves battery pack cabinet to the bearing capacity of battery modules.
Further, in order to mitigate mould group installation stringer 4 and support the weight of link block 7, the light of battery pack cabinet is realized
Quantify purpose, on mould group installation stringer 4 and the front/rear end of support link block 7 offers weight loss groove 14.
Further, support link block 7 is held relative to the generation displacement of stringer 2, the support link block 7 or so in order to prevent
The downside in face offers limiting slot, limited block 15 is equipped in limiting slot, and the limited block 15 is fixedly connected on stringer 2
Upper side.
The gravity that this structure of the invention can be such that battery modules act on stringer 2 and mould group installation stringer 4 is distributed to
In upper cover 6, avoids the gravity of battery modules from being acted on the bottom plate of lower box 1 completely, the bottom plate of lower box 1 can be effectively prevented
Intermediate region is subjected to displacement deformation, improves battery pack cabinet to the bearing capacity of battery modules.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.Embodiment is chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.
Claims (10)
1. a kind of multiple spot is through the full aluminium chassis battery pack cabinet of constraint, it includes lower box (1) and is adapted to lower box (1)
Upper cover (6) is equipped with two or more stringers (2) on the bottom plate of lower box (1), is equipped on the front and rear sides face of stringer (2)
The mould group installation base (3) uniformly distributed along stringer (2) length direction, on the bottom plate of lower box (1) before and after lower box (1)
Be additionally provided with mould group installation stringer (4) at frame, the stringer (2) and mould group install the both ends of stringer (4) respectively with lower box (1)
Left and right side frame be vertically fixedly connected, mould group installation base (3) and mould group installation stringer (4) on be equipped with mould group mounting hole
(5), it is characterised in that: in the upper side of every stringer (2), along the setting of stringer (2) length direction, there are three above supports to connect
The lower end surface of block (7), support link block (7) is in contact with the upper side of stringer (2), described to support the upper of link block (7)
It is provided between end face and upper cover (6) damping sponge pad (8), the stringer (2), support link block (7), damping sponge pad (8)
It is fastenedly connected and is integrated by bolt (9) and nut (10) with upper cover (6).
2. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the bolt
(9) mounting hole of the stringer (2), support link block (7), damping sponge pad (8) and upper cover (6), the upper cover are sequentially passed through
(6) for the sink hole that the mounting hole that bolt (9) passes through is to lower recess on, the top of the sink hole is arranged in the nut (10)
End face.
3. multiple spot according to claim 2 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the bolt
(9) it is flange bolt, the through-hole for embedding flange bolt head and ring flange is offered on the bottom plate of the lower box (1)
(11).
4. multiple spot according to claim 3 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the flange
Close to one section of set rubber sleeve (12) of ring flange on the shank of bolt of bolt, the lower end of the rubber sleeve (12) is equipped with an outer rim,
The outer rim is pressed between the upper surface of ring flange and the downside of stringer (2).
5. multiple spot according to claim 2 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the bolt
(9) shank of bolt includes light bar segment, the thread segment matched with the nut (10) and the extended segment for being pierced by the nut (10),
The extended segment is provided with external screw thread.
6. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the nowel
Strengthening rib strip (13) are equipped between the front and back frame of body (1) and corresponding mould group installation stringer (4).
7. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the nowel
The frame all around of body (1) is made of riser and transverse slat, and transverse slat is vertically set on the lateral surface of vertical version, riser it is transversal
Face is in stud, and stiffener plate is equipped in the inner cavity of transverse slat, and the cross section of the stringer (2) is in stud, the lower box (1)
Frame all around and stringer (2) be extrusion forming integral structure.
8. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: every stringer
(2) quantity of the support link block (7) on is three, and a support link block setting is in the middle part of stringer (2), other two branch
The distance between support link block symmetrically divides for 1/3 and opposite supermedial support link block of stringer (2) of stringer (2) length
Cloth.
9. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: in the mould
In group installation stringer (4) and the front/rear end of support link block (7) offers weight loss groove (14).
10. multiple spot according to claim 1 is through the full aluminium chassis battery pack cabinet of constraint, it is characterised in that: the branch
The downside of support link block (7) left and right end face offers limiting slot, and limited block (15) are equipped in limiting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237106.6A CN109817863A (en) | 2019-03-27 | 2019-03-27 | A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237106.6A CN109817863A (en) | 2019-03-27 | 2019-03-27 | A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109817863A true CN109817863A (en) | 2019-05-28 |
Family
ID=66610526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910237106.6A Pending CN109817863A (en) | 2019-03-27 | 2019-03-27 | A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109817863A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151709A (en) * | 2019-06-27 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| CN113422139A (en) * | 2021-06-18 | 2021-09-21 | 中国第一汽车股份有限公司 | Battery assembly, electric vehicle and design method |
| CN114194015A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
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| CN209561491U (en) * | 2019-03-27 | 2019-10-29 | 贵州长江汽车有限公司 | A kind of multiple spot runs through the full aluminium chassis battery pack cabinet of constraint |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112151709A (en) * | 2019-06-27 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| CN114194015A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194014A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194015B (en) * | 2020-09-17 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194014B (en) * | 2020-09-17 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN113422139A (en) * | 2021-06-18 | 2021-09-21 | 中国第一汽车股份有限公司 | Battery assembly, electric vehicle and design method |
| CN113422139B (en) * | 2021-06-18 | 2022-05-31 | 中国第一汽车股份有限公司 | Battery assembly, electric vehicle and design method |
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