CN114475801A - Battery package automobile body integration rear portion structure - Google Patents
Battery package automobile body integration rear portion structure Download PDFInfo
- Publication number
- CN114475801A CN114475801A CN202111459050.2A CN202111459050A CN114475801A CN 114475801 A CN114475801 A CN 114475801A CN 202111459050 A CN202111459050 A CN 202111459050A CN 114475801 A CN114475801 A CN 114475801A
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- China
- Prior art keywords
- plate
- transverse plate
- fixed
- battery tray
- bearing
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- 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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- 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
-
- 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 car body integrated rear structure, comprising: the bottom end rail, the bottom end rail 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 a rear longitudinal beam of the vehicle body; the battery tray is fixed on the transverse plate, and a sealing rubber strip is arranged between the transverse plate and the battery tray; and 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 invention, the lower cross beam is fixed on the rear longitudinal beam of the automobile body, and the bearing nut and the compression nut are matched with the bolt to fix the battery tray on the transverse plate, so that the battery tray is fixed. And the compression nuts are uniformly distributed on the transverse plate and used for compressing the sealing rubber strips between the transverse plate and the battery tray, so that a sealing surface is provided for the battery tray.
Description
Technical Field
The invention relates to a battery pack assembly structure, in particular to a battery pack vehicle body integrated rear structure.
Background
With the continuous development of electric vehicles, the technology of batteries is also rapidly advanced, and in order to increase the endurance of electric vehicles, batteries are from a small module to a CTP and then to the CTC. The CTC is an integration scheme of the electric core and the vehicle body, and according to the integration scheme of the power battery and the vehicle body, a traditional power battery cover plate is omitted, and the vehicle body is required to provide a peripheral 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:
the bottom end rail, the bottom end rail 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 a rear longitudinal beam of the vehicle body;
the battery tray is fixed on the transverse plate, and a sealing rubber strip is arranged between the transverse plate and the battery tray; and 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 battery pack vehicle body integrated rear structure, the lower cross beam is fixed on the rear longitudinal beam of the vehicle body, the bearing nut and the compression nut are matched with the bolt to fix the battery tray on the transverse plate, and the battery tray is fixed. The bearing nut size is great, and the quantity is less for undertake battery tray's weight, and gland nut size is less, and the quantity is more, and evenly distributed is on horizontal board for compress tightly the joint strip between horizontal board and the battery tray, provide sealed face for battery tray.
Preferably, there is the breach in back vertical board middle part, and breach department is fixed with the stiffening plate, and the stiffening plate bottom is outside protruding, forms the installation passageway in the stiffening plate middle part, and the installation passageway is used for installing the business turn over water pipe of back motor. Because the restriction of processing technology, the stiffening plate of the more complicated shape of fixed shape in the breach department of back vertical board, the stiffening plate bottom is outside protruding, forms the installation passageway in the middle part of the stiffening plate, and the installation passageway is used for installing the business turn over water pipe of back 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. Bearing nut fixes at horizontal board middle part, is close to the stiffening plate and arranges, so can utilize the outside bellied space in stiffening plate bottom, staggers bearing nut and gland nut and arranges, avoids bearing nut and gland nut to arrange and leads to gland nut to distribute unevenly at same straight line, improves the sealed effect between horizontal board and the battery tray.
Preferably, two positioning holes are formed in the left side and the right side of the reinforcing plate. The locating hole is convenient for install the reinforcement panel location, the business turn over passageway of electrophoresis liquid in the time of can regard as the electrophoresis simultaneously.
Preferably, a mounting table is formed by extending a top portion of the reinforcing plate outwards, and a mounting nut is fixed on the mounting table and used for mounting a 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 bottom end rail, can regard as the business turn over passageway of electrophoresis liquid during electrophoresis simultaneously.
Preferably, a plurality of reinforcing ribs are arranged on the front longitudinal plate and the rear longitudinal plate. The reinforcing rib is mainly used for controlling the resilience of the lower cross beam in the forming process and improving the strength of the lower cross beam.
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 improves the strength and torsional rigidity of the lower cross member.
Preferably, the middle of the clapboard is provided with a lightening hole. The lightening hole can lighten the weight on one hand and can be used as an inlet and outlet channel of electrophoresis liquid during electrophoresis on the other hand.
The invention has the beneficial effects that: the lower cross beam is fixed on the rear longitudinal beam of the automobile body, and the bearing nut and the compression nut are matched with the bolt to fix the battery tray on the transverse plate, so that the battery tray is fixed. And the compression nuts are uniformly distributed on the transverse plate and used for compressing the sealing rubber strips between the transverse plate and the battery tray, so that 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 stiffening plate.
FIG. 3 is a top view of the lower beam and the stiffening plate.
Fig. 4 is a schematic view of the present invention in a vehicle body.
Fig. 5 is a partial sectional view of the plane a-a in fig. 4.
In the figure:
the structure comprises a lower cross beam 1, a transverse plate 1.1, boss holes 1.11, a front longitudinal plate 1.2 and a rear longitudinal plate 1.3;
a battery tray 2;
a sealing rubber strip 3;
a bearing nut 4;
a compression nut 5;
the device comprises a reinforcing plate 6, a positioning hole 6.1 and a mounting platform 6.2;
mounting a nut 7;
a reinforcing rib 8;
a partition plate 9;
lightening holes 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The first embodiment is as follows: as shown in fig. 1 to 5, a battery pack vehicle body integrated rear structure includes:
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.
According to the battery pack vehicle body integrated rear structure, the lower cross beam 1 is fixed on a vehicle body rear longitudinal beam, the bearing nut 4 and the compression nut 5 are matched with a bolt to fix the battery tray 2 on the transverse plate 1.1, and the battery tray 2 is fixed. The bearing nuts 4 are large in size and small in number and are used for bearing the weight of the battery tray 2, the compression nuts 5 are small in size and large in number and are uniformly distributed on the transverse plate 1.1 and used for compressing the sealing rubber strips 3 between the transverse plate 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 bearing nut 4 and the compression nut 5 are not completely independent, the bearing nut 4 is mainly used for bearing the weight of the battery tray 2, and the compression nut 5 is mainly used for compressing the sealing rubber strip 3.
Further, there is the breach in the middle part of the vertical board 1.3 of back, and breach department is fixed with stiffening plate 6, and 6 bottoms of stiffening plate are outside protruding, form the installation passageway in the middle part of the stiffening plate, and the installation passageway is used for installing the business turn over water pipe of back motor. Because the restriction of processing technology, integrative bottom end rail is difficult to form the complicated shape of stiffening plate 6, so the more complicated stiffening plate 6 of shape is fixed in back longitudinal slab 1.3's breach department, and 6 bottoms of stiffening plate are outside protruding, form the installation passageway in 6 middle parts of stiffening plate, and the installation passageway is used for installing the business turn over water pipe of back motor.
Further, 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. Bearing nut 4 is fixed at horizontal board 1.1 middle part, is close to stiffening plate 6 and arranges, so can utilize the outside bellied space in stiffening plate 6 bottom, staggers bearing nut 4 and gland nut 5 and arranges, avoids bearing nut 4 and gland nut 5 to arrange and leads to gland nut 5 to distribute unevenly at same straight line, improves the sealed effect between horizontal board 1.1 and the battery tray 2.
Furthermore, two positioning holes 6.1 are arranged on the left side and the right side of the reinforcing plate 6. The positioning hole 6.1 is convenient for installing and positioning the reinforcing plate 6 and can be used as an inlet and outlet 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 painting automobile parts.
Furthermore, one side part of the top of the reinforcing plate 6 extends outwards to form a mounting table 6.2, 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 stiffening plate 6, has saved the safety belt additional strengthening in the traditional design when having guaranteed intensity, the cost is reduced.
Furthermore, two boss holes 1.11 are symmetrically arranged on the left side and the right side of the transverse plate 1.1. The boss holes 1.11 are convenient for mounting and fixing the lower beam 1 and can be used as an inlet and outlet channel of electrophoresis liquid during electrophoresis.
Furthermore, 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 the resilience of the lower cross beam 1 in the forming process and improving the strength of the lower cross beam 1.
Furthermore, 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 improves the strength and torsional rigidity of the lower cross member.
Furthermore, a lightening hole 10 is formed in the middle of the clapboard 9. The lightening hole 10 can reduce the weight on one hand and can be used as an inlet and outlet channel of electrophoresis liquid during electrophoresis on the other hand.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modifications, alterations and equivalent changes made to the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an integrated rear structure of battery package automobile body, characterized by includes:
bottom end rail (1), bottom end rail (1) includes: the automobile body comprises a transverse plate (1.1), a front longitudinal plate (1.2) and a rear longitudinal plate (1.3), wherein the front longitudinal plate (1.2) and the rear longitudinal plate (1.3) are fixed on the transverse plate (1.1), a lower cross beam (1) is in a shape like a Chinese character 'ji', and two ends of the lower cross beam (1) are connected with a rear longitudinal beam of an automobile body;
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).
2. The battery pack integrated rear structure of the vehicle body as claimed in claim 1, wherein the rear longitudinal plate (1.3) has a notch in the middle, the notch is fixed with a reinforcing plate (6), the bottom of the reinforcing plate (6) protrudes outwards, a mounting channel is formed in the middle of the reinforcing plate, and the mounting channel is used for mounting a water inlet pipe and a water outlet pipe of the rear motor.
3. The battery pack integrated rear structure of the vehicle body according to claim 2, wherein the load-bearing nut (4) is fixed to the middle of the transverse plate (1.1), and the load-bearing nut (4) is disposed adjacent to the reinforcing plate (6).
4. The battery pack integrated rear structure of the vehicle body according to claim 2, wherein the reinforcing plate (6) has two positioning holes (6.1) on the left and right sides.
5. The battery pack integrated rear structure of the vehicle body as claimed in claim 2, wherein a top side portion of the reinforcing plate (6) extends outward to form a mounting table (6.2), a mounting nut (7) is fixed on the mounting table (6.2), and the mounting nut (7) is used for mounting a safety belt.
6. The battery pack integrated rear structure as claimed in claim 1, wherein the lateral plate (1.1) has two boss holes (1.11) symmetrically formed at left and right sides thereof.
7. The battery pack vehicle body integrated rear structure according to any one of claims 1 to 6, wherein the front longitudinal plate (1.2) and the rear longitudinal plate (1.3) are provided with a plurality of reinforcing ribs (8).
8. The battery pack integrated rear structure of any one of claims 1 to 6, wherein a plurality of partition plates (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).
9. The battery pack integrated rear structure of the vehicle body as claimed in claim 8, wherein a lightening hole (10) is formed in the middle of the partition plate (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 true CN114475801A (en) | 2022-05-13 |
| CN114475801B 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 |
|---|---|
| CN (1) | CN114475801B (en) |
Citations (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 |
| CN103448803A (en) * | 2013-04-11 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Floor rear crossbeam reinforcing structure |
| DE102015205413A1 (en) * | 2015-03-25 | 2016-09-29 | 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 |
-
2021
- 2021-12-02 CN CN202111459050.2A patent/CN114475801B/en active Active
Patent Citations (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 |
| CN103448803A (en) * | 2013-04-11 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Floor rear crossbeam reinforcing structure |
| DE102015205413A1 (en) * | 2015-03-25 | 2016-09-29 | 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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| Publication number | Publication date |
|---|---|
| CN114475801B (en) | 2023-05-16 |
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