CN212725484U - Stepped battery pack box - Google Patents
Stepped battery pack box Download PDFInfo
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- CN212725484U CN212725484U CN202021123112.3U CN202021123112U CN212725484U CN 212725484 U CN212725484 U CN 212725484U CN 202021123112 U CN202021123112 U CN 202021123112U CN 212725484 U CN212725484 U CN 212725484U
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- box
- panel
- bottom plate
- battery pack
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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 discloses a stairstepping battery package box, a serial communication port, including lower box (10) and box upper cover (20), wherein: the lower box body comprises a bottom plate (17); the front end part and the rear end part of the top of the bottom plate are respectively welded with a front panel (11) and a rear panel (19); the left side and the right side of the bottom plate are respectively welded with a side beam (13); the side beam is of a hollow structure; the front end and the rear end of each side beam are respectively welded with the front panel and the rear panel; a wedge-shaped transition block (15) is fixedly arranged at the front end of the top of each side beam and the upper part of the rear side of the adjacent front panel; the front end and the rear end of the top of the bottom plate are respectively welded with an inner front beam (12) and an inner rear beam (16) which are transversely distributed. The utility model discloses can alleviate the weight of battery package box when guaranteeing box intensity, further promote in the energy density of battery package system. Furthermore, the utility model discloses a strip structure's bubble cotton seal has good sealed effect.
Description
Technical Field
The utility model relates to a new energy automobile trade battery system technical field especially relates to a stairstepping battery package box.
Background
At present, lithium ion batteries have the advantages of high specific energy, many recycling times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, and are also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirements on the lithium ion batteries are higher and higher.
Along with the requirement of the national subsidy policy on the energy density of the battery system is higher and higher, the energy density of the single battery of the lithium iron phosphate battery mainly applied to the field of commercial vehicles is continuously improved, the grouping rate requirement on the battery pack system is gradually improved, and the weight reduction requirements of other materials except the battery core in the battery pack become more and more urgent.
The weight of the battery case, which is one of the important components of the battery pack, is a very large proportion of the battery pack, and this is directly related to the energy density of the battery system.
Therefore, there is a need to develop a technology that can effectively reduce the weight of the battery pack case and further improve the energy density of the battery pack system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stairstepping battery package box to the technical defect that prior art exists.
Therefore, the utility model provides a stairstepping battery package box, including lower box and box upper cover, wherein:
the upper cover of the box body is positioned right above the lower box body;
the lower box body comprises a bottom plate which is horizontally distributed;
the front end part and the rear end part of the top of the bottom plate are respectively welded with a front panel and a rear panel;
the left side and the right side of the bottom plate are respectively welded with a side beam;
the side beam is of a hollow structure;
the front end and the rear end of each side beam are respectively welded with the front panel and the rear panel;
the front end of the top of each side beam and the upper part of the rear side of the adjacent front panel are fixedly provided with wedge-shaped transition blocks;
the front end and the rear end of the top of the bottom plate are respectively welded with an inner front beam and an inner rear beam which are transversely distributed;
and a sealing body is arranged between the box body and the box body upper cover.
Wherein, the front end and the rear end of the outer side surface of each side beam are respectively and fixedly provided with a hanging lug.
Wherein, the sealing body is a strip-shaped foam sealing body.
Wherein, the whole lower box body is made of aluminum section;
the two side beams are in bilateral symmetry section structure.
Wherein, the front panel is provided with a mounting hole for mounting a high-low voltage plug-in for a battery system;
and the tops of the inner front beam and the inner rear beam are provided with steel wire thread sleeves for fixing the battery module.
Wherein the height of the front panel is higher than the height of the two side beams and the rear panel;
the two side beams and the rear panel are the same in height.
Wherein, the upside flanging of front panel, two curb girders and rear panel, and the flanging is installed with the rivet nut for it is fixed with the box upper cover.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a stairstepping battery package box, its structural design science, two curb girders are hollow structure, can alleviate the weight of battery package box when guaranteeing box intensity, further promote in the energy density of battery package system.
Furthermore, the utility model discloses a strip structure's bubble cotton seal fills the gap between box and the lower box through extrusion deformation, has good sealed effect.
Drawings
Fig. 1 is a schematic perspective view of a lower case body in a stepped battery pack case body provided by the present invention;
fig. 2 is a schematic perspective view of a sealing body in a stepped battery pack case provided by the present invention;
fig. 3 is a schematic view of a three-dimensional structure of a box upper cover in a stepped battery pack box provided by the present invention when the box upper cover is placed upside down;
fig. 4 is a three-dimensional exploded schematic view of an integral assembly structure of a stepped battery pack case provided by the present invention;
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 4, the utility model provides a stairstepping battery package box, including lower box 10 and box upper cover 20, wherein:
the box body upper cover 20 is positioned right above the lower box body 10;
the lower box 10 includes a bottom plate 17 horizontally distributed;
the front panel 11 and the rear panel 19 are respectively welded at the front end part and the rear end part of the top of the bottom plate 17;
the left side and the right side of the bottom plate 17 are respectively welded with a side beam 13;
the side beam 13 is of a hollow structure;
the front and rear ends of each side member 13 are welded to the front panel 11 and the rear panel 19, respectively;
a wedge-shaped transition block 15 is fixedly arranged at the front end of the top of each side beam 13 and the upper part of the rear side of the adjacent front panel 11;
the front end and the rear end of the top of the bottom plate 17 are respectively welded with an inner front beam 12 and an inner rear beam 16 which are transversely distributed.
The utility model discloses in, on specifically realizing, the top front end of every curb girder 13, with the rear side upper portion of adjacent front panel 11, the welding is perhaps spliced and is provided with wedge transition piece 15.
The utility model discloses in, on specifically realizing, both ends around every curb girder 13's the lateral surface are fixed respectively and are provided with hangers 14.
In the utility model, a sealing body 30 is arranged between the upper and lower box bodies 10 and the upper cover 20 of the box body;
the seal 30 is a strip-like foam seal.
The utility model discloses in, on specifically realizing, lower box 10 is the stairstepping, and the gap between the box (lower box 10 and box upper cover 20 promptly) reaches sealed effect about filling through extrusion deformation, sealing. The seal is the strip structure, and the design theory has advantages such as the design is simple and convenient, production and processing are simple, the installation is convenient.
The utility model discloses in, on specifically realizing, the whole of lower box 10 uses aluminium alloy processing preparation.
The utility model discloses in, on specifically realizing, processing has the mounting hole on the front panel 11 for install high-low pressure plug-in components for battery system.
The utility model discloses in, in the concrete realization, two curb girders 13 are bilateral symmetry's section bar structure.
The utility model discloses in, on specifically realizing, the steel wire swivel nut is installed at the top of interior front beam 12 and interior back beam 16 for fixed battery module.
It should be noted that, in the utility model, the beams around the box body are all welded and welded with the bottom plate.
In the utility model, in the concrete realization, the height of the front panel 11 is higher than the height of the two side beams 13 and the rear panel 19;
the two side members 13 and the rear panel 19 are the same in height.
It should be noted that, in order to reduce the weight of the box, the height of the front panel 11 is higher than the height of the two side beams 13 and the rear panel 19, while ensuring the transportation of the box and the installation of the high and low pressure inserts. The overall structure of the box body is in a step shape, and the overall weight of the box body is lighter than that of a traditional plane type box body.
The utility model discloses in, on specifically realizing, the section bar upside of lower box 10 flanging all around (being the upside flanging of front panel 11, two curb girders 13 and rear panel 19) to install rivet nut 18 on the flanging, be used for with box upper cover 20 fixed.
The utility model discloses in, on specifically realizing, seal 30 is the seal of notch cuttype, according to the sealed regional shape design of upside of box down.
It should be noted that, for the present invention, as shown in fig. 1, the lower box 10 is assembled and welded by using the section bars at 90 degrees between the four walls. Meanwhile, in order to ensure good sealing performance, the wedge-shaped transition block 15 is welded or glued at the transition area of the 90-degree vertical connection between the front panel and the bilateral symmetrical profiles (i.e. the two side beams 13), so that the sealing body 30 can more fully fill the gap between the lower box body 10 and the upper box body cover 20.
For the present invention, referring to fig. 1, the two side beams 13 of the lower box 10 are hollow, so that the box weight can be reduced while the strength of the lower box is ensured. A cross beam (namely an inner front beam 12 and an inner rear beam 16) is respectively arranged at the front and the rear of the inner part of the lower box body, and a steel wire thread sleeve is arranged for fixing the module. The bottom plate of the lower box body and the side beam of the box body are welded at the lap joint position.
To the utility model discloses, it is shown to refer to fig. 2, the utility model provides a notch cuttype seal comprises a plurality of sealed bubble cottons, and the cotton overlap joint department of adjacent sealed bubble can use the adhesive to connect, guarantees the leakproofness. The sealed foam is designed according to the shape of the upper side sealing area of the lower box body, and the fitting performance of the sealing body and the lower box body is guaranteed. The cotton thickness of sealed bubble is greater than the gap height between box and the upper cover down, guarantees down the box and the upper cover fastening back, and the cotton state of resilience that keeps of sealed bubble fully guarantees down the gas tightness between box and the upper cover.
The utility model discloses in, in the concrete realization, the seal 30 is provided with the screw hole in advance in the position corresponding with rivet nut 18.
The sealing body is provided with a sealing surface, and the sealing surface is provided with a circular truncated cone.
It should be noted that, to the utility model discloses, the front panel height of box is greater than the height of curb girder 13, through reducing the height of box curb girder 13, lightens the weight of box, and the corresponding seal is the echelonment structure.
The utility model discloses, the sealed region of box is the space notch cuttype about the battery package, and the seal that corresponds is the echelonment structure, and more traditional plane seal structure can adapt to the sealed requirement of special-shaped box.
The utility model discloses, the difference in height between front panel and the curb girder uses wedge transition piece to connect, and wedge transition piece and front panel and lateral wall can use the welding or splice the mode and connect.
The utility model discloses, the battery package box adopts the aluminium alloy material, and the curb girder is inside to be hollow structure, when guaranteeing box intensity, can alleviate the weight of box.
To sum up, compare with prior art, the utility model provides a pair of stairstepping battery package box, its structural design science, two curb girders are hollow structure, can alleviate the weight of battery package box when guaranteeing box intensity, further promote in the energy density of battery package system.
Furthermore, the utility model discloses a strip structure's bubble cotton seal fills the gap between box and the lower box through extrusion deformation, has good sealed effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a stairstepping battery package box which characterized in that, includes box (10) and box upper cover (20) down, wherein:
the box body upper cover (20) is positioned right above the lower box body (10);
the lower box body (10) comprises a bottom plate (17) which is horizontally distributed;
the front end part and the rear end part of the top of the bottom plate (17) are respectively welded with a front panel (11) and a rear panel (19);
the left side and the right side of the bottom plate (17) are respectively welded with a side beam (13);
the side beam (13) is of a hollow structure;
the front end and the rear end of each side beam (13) are respectively welded with the front panel (11) and the rear panel (19);
a wedge-shaped transition block (15) is fixedly arranged at the front end of the top of each side beam (13) and the upper part of the rear side of the adjacent front panel (11);
the front end and the rear end of the top of the bottom plate (17) are respectively welded with an inner front beam (12) and an inner rear beam (16) which are transversely distributed;
a sealing body (30) is arranged between the box body (10) and the box body upper cover (20).
2. The stepped battery pack case according to claim 1, wherein the front and rear ends of the outer side surface of each side member (13) are fixedly provided with lugs (14), respectively.
3. The stepped battery pack case according to claim 1, wherein the seal (30) is a strip-shaped foam seal.
4. The stepped battery pack case according to claim 1, wherein the lower case (10) is integrally formed by processing an aluminum profile;
the two side beams (13) are in bilateral symmetry profile structures.
5. The stepped battery pack case according to claim 1, wherein the front panel (11) is formed with a mounting hole for mounting a high-low voltage plug-in for a battery system;
and the tops of the inner front beam (12) and the inner rear beam (16) are provided with steel wire thread sleeves for fixing the battery module.
6. The stepped battery pack case according to any one of claims 1 to 5, wherein the front panel (11) has a height higher than the height of the two side members (13) and the rear panel (19);
the two side members (13) and the rear panel (19) have the same height.
7. The stepped battery pack case according to any one of claims 1 to 5, wherein the upper sides of the front panel (11), the two side members (13) and the rear panel (19) are flanged, and a blind rivet nut (18) is mounted on the flanged sides for fixing with the case upper cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021123112.3U CN212725484U (en) | 2020-06-17 | 2020-06-17 | Stepped battery pack box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021123112.3U CN212725484U (en) | 2020-06-17 | 2020-06-17 | Stepped battery pack box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212725484U true CN212725484U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021123112.3U Active CN212725484U (en) | 2020-06-17 | 2020-06-17 | Stepped battery pack box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212725484U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
| CN113964430A (en) * | 2021-10-19 | 2022-01-21 | 上汽大众汽车有限公司 | Vehicle battery pack shell assembly |
| WO2024139337A1 (en) * | 2022-12-30 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2020
- 2020-06-17 CN CN202021123112.3U patent/CN212725484U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
| CN113964430A (en) * | 2021-10-19 | 2022-01-21 | 上汽大众汽车有限公司 | Vehicle battery pack shell assembly |
| WO2024139337A1 (en) * | 2022-12-30 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 300384 No. 10, Haitai innovation Third Road, Huayuan Industrial Zone (outside the ring), Binhai high tech Zone, Binhai New Area, Tianjin Patentee after: TIANJIN LISHEN NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |
|
| TR01 | Transfer of patent right |