CN114475801B - Integrated rear structure of battery pack vehicle body - Google Patents
Integrated rear structure of battery pack vehicle body Download PDFInfo
- Publication number
- CN114475801B CN114475801B CN202111459050.2A CN202111459050A CN114475801B CN 114475801 B CN114475801 B CN 114475801B CN 202111459050 A CN202111459050 A CN 202111459050A CN 114475801 B CN114475801 B CN 114475801B
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- China
- Prior art keywords
- plate
- battery tray
- transverse plate
- fixed
- vehicle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0416—Arrangement in the rear part of the vehicle
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a battery pack vehicle body integrated rear structure, which comprises: lower crossbeam, lower crossbeam includes: the front longitudinal plate and the rear longitudinal plate are fixed on the transverse plate, the lower cross beam is in a shape like a Chinese character 'ji', and two ends of the lower cross beam are connected with the rear longitudinal beam of the vehicle body; the battery tray is fixed on the transverse plate, and a sealing adhesive tape is arranged between the transverse plate and the battery tray; a plurality of bearing nuts and compression nuts are fixed on the transverse plate, the bearing nuts are used for bearing the weight of the battery tray, and the compression nuts are used for compressing the sealing rubber strips between the transverse plate and the battery tray. In the invention, the lower cross beam is fixed on the rear longitudinal beam of the vehicle body, and the bearing nut and the compression nut are matched with the bolt to fix the battery tray on the transverse plate, thereby realizing the fixation of the battery tray. The gland nut is evenly distributed on the transverse plate and used for compacting the sealing rubber strips between the transverse plate and the battery tray, and a sealing surface is provided for the battery tray.
Description
Technical Field
The invention relates to a battery pack composition structure, in particular to a battery pack vehicle body integrated rear structure.
Background
With the continuous development of electric vehicles, battery technology is also rapidly advancing, and in order to increase the endurance of the electric vehicles, batteries are from small modules to CTP and then to CTC. According to the scheme of integrating the power battery and the vehicle body, the traditional power battery cover plate is omitted, and the vehicle body is required to provide a circle sealing surface of the battery tray.
Disclosure of Invention
The invention aims to provide a battery pack vehicle body integrated rear structure which is a component part of a vehicle body and provides a sealing surface of a battery tray while fixing the battery tray.
The technical scheme of the invention is as follows:
a battery pack body integrated rear structure comprising:
lower crossbeam, lower crossbeam includes: the front longitudinal plate and the rear longitudinal plate are fixed on the transverse plate, the lower cross beam is in a shape like a Chinese character 'ji', and two ends of the lower cross beam are connected with the rear longitudinal beam of the vehicle body;
the battery tray is fixed on the transverse plate, and a sealing adhesive tape is arranged between the transverse plate and the battery tray; a plurality of bearing nuts and compression nuts are fixed on the transverse plate, the bearing nuts are used for bearing the weight of the battery tray, and the compression nuts are used for compressing the sealing rubber strips between the transverse plate and the battery tray.
According to the integrated rear structure of the battery pack vehicle body, the lower cross beam is fixed on the rear longitudinal beam of the vehicle body, the battery tray is fixed on the transverse plate by the aid of the bearing nuts and the compression nuts in cooperation with bolts, and the battery tray is fixed. The bearing nuts are large in size and small in number, are used for bearing the weight of the battery tray, are small in size and large in number, are uniformly distributed on the transverse plates and are used for pressing sealing rubber strips between the transverse plates and the battery tray, and provide sealing surfaces for the battery tray.
Preferably, the middle part of the rear longitudinal plate is provided with a notch, the notch is fixedly provided with a reinforcing plate, the bottom of the reinforcing plate is outwards protruded, a mounting channel is formed in the middle of the reinforcing plate, and the mounting channel is used for mounting a water inlet and outlet pipe of the rear motor. Because of the limitation of the processing technology, a reinforcing plate with a complex shape is fixed at the notch of the rear longitudinal plate, the bottom of the reinforcing plate is outwards protruded, and a mounting channel is formed in the middle of the reinforcing plate and used for mounting a water inlet and outlet pipe of the rear motor.
Preferably, the bearing nut is fixed in the middle of the transverse plate, and the bearing nut is arranged close to the reinforcing plate. The bearing nut is fixed in the middle of the transverse plate and is close to the reinforcing plate, so that the outwards protruding space at the bottom of the reinforcing plate can be utilized, the bearing nut and the compression nut are staggered, uneven distribution of the compression nut caused by the fact that the bearing nut and the compression nut are arranged on the same straight line is avoided, and the sealing effect between the transverse plate and the battery tray is improved.
Preferably, two positioning holes are formed in the left side and the right side of the reinforcing plate. The locating holes are convenient for installing and locating the reinforcing plate, and can be used as an in-out channel of electrophoresis liquid during electrophoresis.
Preferably, a part of one side of the top of the reinforcing plate extends outwards to form a mounting table, and a mounting nut is fixed on the mounting table and used for mounting the safety belt. The safety belt is connected with higher intensity requirement, and the mounting point of safety belt is integrated to the stiffening plate, has saved the safety belt additional strengthening in the traditional design when having guaranteed intensity, the cost is reduced.
Preferably, two boss holes are symmetrically formed in the left side and the right side of the transverse plate. The boss hole is convenient for install fixedly to the lower beam, can regard as the business turn over passageway of electrophoresis liquid when electrophoresis simultaneously.
Preferably, the front longitudinal plate and the rear longitudinal plate are provided with a plurality of reinforcing ribs. The strengthening rib is mainly used to control the rebound of the lower beam in the forming process, and the strength of the lower beam can be improved.
Preferably, a plurality of partition plates are arranged between the front longitudinal plate and the rear longitudinal plate and between the front longitudinal plate and the reinforcing plate. This can improve the strength and torsional rigidity of the lower cross member.
Preferably, a lightening hole is formed in the middle of the partition plate. The weight-reducing hole can reduce weight on one hand and can be used as an in-out channel of electrophoresis liquid during electrophoresis on the other hand.
The beneficial effects of the invention are as follows: the lower cross beam is fixed on the rear longitudinal beam of the vehicle body, and the battery tray is fixed on the transverse plate by the bearing nut and the compression nut in cooperation with the bolt, so that the battery tray is fixed. The gland nut is evenly distributed on the transverse plate and used for compacting the sealing rubber strips between the transverse plate and the battery tray, and a sealing surface is provided for the battery tray.
Drawings
Fig. 1 is a schematic view of a lower beam and a stiffener.
Fig. 2 is a front view of the lower beam and the stiffener.
Fig. 3 is a top view of the lower beam and the stiffener.
Fig. 4 is a schematic view of the present invention in a vehicle body.
FIG. 5 is a partial cross-sectional view of the A-A plane of FIG. 4.
In the figure:
the lower cross beam 1, the transverse plate 1.1, the boss hole 1.11, the front longitudinal plate 1.2 and the rear longitudinal plate 1.3;
a battery tray 2;
a sealing rubber strip 3;
a load-bearing nut 4;
a compression nut 5;
the reinforcing plate 6, the positioning hole 6.1 and the mounting table 6.2;
a mounting nut 7;
a reinforcing rib 8;
a partition 9;
Detailed Description
For the purpose of making the technical solution embodiment, the technical solution and the advantages of the present invention more apparent, the technical solution of the embodiment of the present invention will be clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiment is only a preferred embodiment of the present invention, not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution and are not to be construed as limiting the solution of the present invention.
These and other aspects of embodiments of the invention will be apparent from and elucidated with reference to the description and drawings described hereinafter. In the description and drawings, particular implementations of embodiments of the invention are disclosed in detail as being indicative of some of the ways in which the principles of embodiments of the invention may be employed, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
In the description of the present invention, it should be understood that the terms "thickness," "upper," "lower," "horizontal," "top," "bottom," "inner," "outer," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" means at least two, for example, two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more.
In the present invention, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication with one another; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
First embodiment: as shown in fig. 1 to 5, a battery pack body integrated rear structure includes:
the battery tray 2 is fixed on the transverse plate 1.1, and a sealing adhesive tape 3 is arranged between the transverse plate 1.1 and the battery tray 2; a plurality of bearing nuts 4 and compression nuts 5 are fixed on the transverse plate 1.1, the bearing nuts 4 are used for bearing the weight of the battery tray 2, and the compression nuts 5 are used for compressing the sealing rubber strips 3 between the transverse plate 1.1 and the battery tray 2.
The integrated rear structure of the battery pack body of the embodiment is characterized in that the lower cross beam 1 is fixed on the rear longitudinal beam of the body, the bearing nut 4 and the compression nut 5 are matched with bolts to fix the battery tray 2 on the transverse plate 1.1, and the fixation of the battery tray 2 is realized. The bearing nuts 4 are larger in size and smaller in number and are used for bearing the weight of the battery tray 2, the compression nuts 5 are smaller in size and larger in number and are uniformly distributed on the transverse plates 1.1 and used for compressing the sealing rubber strips 3 between the transverse plates 1.1 and the battery tray 2, and a sealing surface is provided for the battery tray 2. It should be understood that the functions of the load bearing nut 4 and the compression nut 5 are not completely independent, the load bearing nut 4 mainly serves to bear the weight of the battery tray 2, and the compression nut 5 mainly serves to compress the sealing rubber strip 3.
Further, the middle part of the rear longitudinal plate 1.3 is provided with a notch, the notch is fixedly provided with a reinforcing plate 6, the bottom of the reinforcing plate 6 is outwards protruded, a mounting channel is formed in the middle of the reinforcing plate, and the mounting channel is used for mounting a water inlet and outlet pipe of the rear motor. Because the processing technology is limited, the integrated lower cross beam is difficult to form the complex shape of the reinforcing plate 6, the reinforcing plate 6 with complex shape is fixed at the notch of the rear longitudinal plate 1.3, the bottom of the reinforcing plate 6 is outwards protruded, and a mounting channel is formed in the middle of the reinforcing plate 6 and used for mounting a water inlet and outlet pipe of a rear motor.
Further, a load-bearing nut 4 is fixed in the middle of the transverse plate 1.1, the load-bearing nut 4 being arranged close to the stiffening plate 6. The bearing nut 4 is fixed at the middle part of the transverse plate 1.1 and is arranged close to the reinforcing plate 6, so that the outwards protruding space at the bottom of the reinforcing plate 6 can be utilized, the bearing nut 4 and the compression nut 5 are staggered, uneven distribution of the compression nut 5 caused by the fact that the bearing nut 4 and the compression nut 5 are arranged on the same straight line is avoided, and the sealing effect between the transverse plate 1.1 and the battery tray 2 is improved.
Further, two positioning holes 6.1 are formed in the left side and the right side of the reinforcing plate 6. The positioning holes 6.1 are convenient for installing and positioning the reinforcing plate 6, and can be used as an in-out channel of electrophoresis liquid during electrophoresis. The electrophoretic paint film has the advantages of plump, uniform, flat and smooth coating, and the hardness, adhesive force and corrosion resistance of the electrophoretic paint film are obviously superior to those of other coating processes, so that the electrophoretic paint film is mostly used for the automobile parts.
Further, a part of one side of the top of the reinforcing plate 6 extends outwards to form a mounting table 6.2, and a mounting nut 7 is fixed on the mounting table 6.2, and the mounting nut 7 is used for mounting a safety belt. The safety belt is connected with higher intensity requirement, and the mounting point with the safety belt is integrated to the stiffening plate 6, has saved the safety belt additional strengthening in the traditional design when having guaranteed intensity, the cost is reduced.
Further, two boss holes 1.11 are symmetrically arranged on the left side and the right side of the transverse plate 1.1. The boss hole 1.11 is convenient for installing and fixing the lower cross beam 1, and can be used as an in-out channel of electrophoresis liquid during electrophoresis.
Further, a plurality of reinforcing ribs 8 are arranged on the front longitudinal plate 1.2 and the rear longitudinal plate 1.3. The reinforcing ribs 8 are mainly used for controlling rebound of the lower beam 1 in the forming process, and can improve strength of the lower beam 1.
Further, a plurality of partition plates 9 are arranged between the front longitudinal plate 1.2 and the rear longitudinal plate 1.3 and between the front longitudinal plate 1.2 and the reinforcing plate 6. This can improve the strength and torsional rigidity of the lower cross member.
Further, a lightening hole 10 is formed in the middle of the partition plate 9. The weight-reducing hole 10 can reduce weight on one hand and can be used as an in-out passage of electrophoresis liquid during electrophoresis on the other hand.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. A battery pack body integrated rear structure, comprising:
lower crossbeam (1), lower crossbeam (1) include: the front longitudinal plate (1.2) and the rear longitudinal plate (1.3) are fixed on the transverse plate (1.1), the lower cross beam (1) is in a shape of a Chinese character 'ji', and two ends of the lower cross beam (1) are connected with a rear longitudinal beam of a vehicle body;
the battery tray (2), the battery tray (2) is fixed on the transverse plate (1.1), and a sealing rubber strip (3) is arranged between the transverse plate (1.1) and the battery tray (2); a plurality of bearing nuts (4) and compression nuts (5) are fixed on the transverse plate (1.1), the bearing nuts (4) are used for bearing the weight of the battery tray (2), and the compression nuts (5) are used for compressing the sealing rubber strips (3) between the transverse plate (1.1) and the battery tray (2);
the middle part of the rear longitudinal plate (1.3) is provided with a notch, a reinforcing plate (6) is fixed at the notch, the bottom of the reinforcing plate (6) protrudes outwards, a mounting channel is formed in the middle part of the reinforcing plate, and the mounting channel is used for mounting a water inlet and outlet pipe of a rear motor;
the bearing nut (4) is fixed in the middle of the transverse plate (1.1), and the bearing nut (4) is arranged close to the reinforcing plate (6).
2. The integrated rear structure of a battery pack vehicle body according to claim 1, wherein two positioning holes (6.1) are provided on the left and right sides of the reinforcing plate (6).
3. The integrated rear structure of a battery pack vehicle body according to claim 1, wherein a part of one side of the top of the reinforcing plate (6) extends outwards to form a mounting table (6.2), and a mounting nut (7) is fixed on the mounting table (6.2), and the mounting nut (7) is used for mounting a safety belt.
4. The integrated rear structure of a battery pack vehicle body according to claim 1, wherein two boss holes (1.11) are symmetrically provided on the left and right sides of the lateral plate (1.1).
5. A battery pack body integrated rear structure according to any one of claims 1 to 4, wherein the front (1.2) and rear (1.3) longitudinal plates are provided with a plurality of reinforcing ribs (8).
6. A battery pack body integrated rear structure according to any one of claims 1 to 4, wherein a plurality of separators (9) are provided between the front longitudinal plate (1.2) and the rear longitudinal plate (1.3) and between the front longitudinal plate (1.2) and the reinforcing plate (6).
7. The integrated rear structure of a battery pack vehicle body according to claim 6, wherein a lightening hole (10) is opened in the middle of the separator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459050.2A CN114475801B (en) | 2021-12-02 | 2021-12-02 | Integrated rear structure of battery pack vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459050.2A CN114475801B (en) | 2021-12-02 | 2021-12-02 | Integrated rear structure of battery pack vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114475801A CN114475801A (en) | 2022-05-13 |
| CN114475801B true CN114475801B (en) | 2023-05-16 |
Family
ID=81492804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111459050.2A Active CN114475801B (en) | 2021-12-02 | 2021-12-02 | Integrated rear structure of battery pack vehicle body |
Country Status (1)
| Country | Link |
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| CN (1) | CN114475801B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276089Y (en) * | 2008-09-02 | 2009-07-22 | 上汽通用五菱汽车股份有限公司 | Mounting structure for rear row seat belt |
| CN202174925U (en) * | 2011-07-29 | 2012-03-28 | 比亚迪股份有限公司 | Installing structure of power battery of vehicle |
| CN103448803B (en) * | 2013-04-11 | 2016-01-20 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of Floor rear crossbeam strengthens structure |
| DE102015205413B4 (en) * | 2015-03-25 | 2018-08-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Carrying structure and vehicle |
| CN106494208A (en) * | 2016-11-17 | 2017-03-15 | 上海蓥石汽车技术有限公司 | A kind of batteries of electric automobile bag fixed structure |
| CN209505418U (en) * | 2018-12-29 | 2019-10-18 | 爱驰汽车有限公司 | A kind of battery pack and vehicle body integral structure and automobile |
| CN209729979U (en) * | 2019-02-18 | 2019-12-03 | 广汽新能源汽车有限公司 | Floor structure and lower case |
| CN210083356U (en) * | 2019-05-07 | 2020-02-18 | 北京新能源汽车股份有限公司 | A rear floor crossbeam and vehicle for vehicle |
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2021
- 2021-12-02 CN CN202111459050.2A patent/CN114475801B/en active Active
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| CN114475801A (en) | 2022-05-13 |
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