CN108515834B - Hoisting structure of power battery and pure electric vehicle - Google Patents
Hoisting structure of power battery and pure electric vehicle Download PDFInfo
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- CN108515834B CN108515834B CN201810421293.9A CN201810421293A CN108515834B CN 108515834 B CN108515834 B CN 108515834B CN 201810421293 A CN201810421293 A CN 201810421293A CN 108515834 B CN108515834 B CN 108515834B
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- power battery
- vehicle body
- bottom plate
- connection
- hoisting structure
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- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The hoisting structure provided by the invention comprises: the power battery is provided with a plurality of groups of first connecting points formed at the position corresponding to the longitudinal beam of the vehicle body, and a plurality of groups of second connecting points formed at the position corresponding to the bottom plate of the vehicle body; the automobile body longitudinal beam is provided with a first connecting structure used for being connected with the first connecting point, and a second connecting structure used for being connected with the second connecting point is arranged at a position, corresponding to the second connecting point, on the automobile body bottom plate. According to the hoisting structure provided by the invention, the two sides of the power battery are arranged on the longitudinal beam of the vehicle body, the power battery is connected to the vehicle body bottom plate near the center part, and when the vehicle is impacted, the power battery is fixedly connected with the second connecting structure of the vehicle body bottom plate through the second connecting point, and at the moment, the vehicle body bottom plate cannot freely move due to the limitation of the second connecting structure, so that the vehicle body bottom plate can be prevented from flapping the power battery.
Description
Technical Field
The invention relates to the technical field of electric vehicle power battery installation, in particular to a hoisting structure of a power battery and a pure electric vehicle adopting the hoisting structure.
Background
Along with the shortage of energy sources and environmental protection requirements in the world, the environment-friendly and energy-saving electric automobile has become the development direction of the automobile industry, the electric automobile uses a power battery and a driving motor to replace the traditional power source, the whole automobile power battery is a core component of the electric automobile, and the installation position, ventilation performance and the like of the electric automobile play a vital role in the normal operation of the electric automobile.
Chinese patent document CN201769669U discloses an automotive power battery mounting structure, including left and right side sill (can be regarded as the longeron) that are located left and right sides parallel arrangement, be connected with battery mounting frame (can be regarded as the crossbeam) between left side sill and right side sill, be equipped with the mounting hole on the battery mounting frame, laid automobile body bottom plate on the support body that left side sill, right side sill and battery mounting frame constitute. In the process of installing the power battery, the two ends of the power battery are connected with the left threshold edge beam and the right threshold edge beam, and the center part of the power battery is connected with the battery installing frame, and the installing mode is commonly called as a beam type hoisting structure. The technical scheme adopts a beam structure to bear the weight of the power battery, and has good stress performance.
However, the technical scheme has the defect that in the running process of the automobile, the left side sill, the right side sill and the battery mounting frame possibly generate deformation after being impacted, and as the material of the automobile body bottom plate is softer, once the automobile body bottom plate generates the impact, the automobile body bottom plate can be distorted under the driving of the frame body, the power battery positioned below the automobile body bottom plate is subjected to 'slapping', and the impact force generated by the slapping can cause hard impact on the power battery and even cause the explosion of the power battery.
It is obvious to punch out the boss, the reinforcing rib on the underbody to increase the local strength, but even so, since the underbody itself is thin and the weight of the power battery is large, the effect of the boss, the reinforcing rib is not obvious.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem that the power battery is hung on the frame body below the vehicle body bottom plate in the prior art, and when the electric vehicle is impacted, the vehicle body bottom plate deforms to beat the power battery, so that the power battery is damaged.
To this end, the present invention provides a hoisting structure of a power battery, comprising: the frame body comprises a middle channel, vehicle body longitudinal beams which are positioned at two sides of the middle channel and are parallel to each other, and a cross beam which is connected between the vehicle body longitudinal beams and the middle channel; a vehicle body floor disposed in an area between the center tunnel and the vehicle body side member and covering the cross member; the power battery is provided with a plurality of groups of first connecting points formed at the position corresponding to the longitudinal beam of the vehicle body, and a plurality of groups of second connecting points formed at the position corresponding to the bottom plate of the vehicle body; the automobile body longitudinal beam is provided with a first connecting structure used for being connected with the first connecting point, and a second connecting structure used for being connected with the second connecting point is arranged at a position, corresponding to the second connecting point, on the automobile body bottom plate.
Preferably, the second connecting structure is integrally formed on the underbody, and the second connecting structure is engaged with the middle through and the cross beam.
Preferably, the second connecting structure comprises a connecting piece, wherein the connecting piece is used for connecting the second connecting point of the power battery, and the connecting piece is mutually connected with the middle channel (1) and the cross beam.
Preferably, the connecting piece is rectangular, and is connected with the middle channel, the cross beam and the vehicle body bottom plate at one side and the vehicle body bottom plate at the other side.
Preferably, the second connecting structure further comprises a through hole formed in the vehicle body bottom plate, and the second connecting point is fixed in the connecting piece through the through hole.
Preferably, the connecting piece and the second connecting point are fixed into a whole through screws.
Preferably, the second connecting structure is separately arranged with the vehicle body bottom plate, and the second connecting structure is connected with the middle channel and the cross beam through screws.
Preferably, the power battery includes: a battery core; the battery box is used for accommodating the battery core, and the first connecting point and the second connecting point are formed on the battery box.
On the other hand, the invention also provides a pure electric vehicle, which adopts the hoisting structure of the power battery.
The technical scheme of the invention has the following advantages:
1. the hoisting structure provided by the invention comprises: the power battery is provided with a plurality of groups of first connecting points formed at the position corresponding to the longitudinal beam of the vehicle body, and a plurality of groups of second connecting points formed at the position corresponding to the bottom plate of the vehicle body; the automobile body longitudinal beam is provided with a first connecting structure used for being connected with the first connecting point, and a second connecting structure used for being connected with the second connecting point is arranged at a position, corresponding to the second connecting point, on the automobile body bottom plate.
According to the hoisting structure provided in the prior art, the power battery is directly hoisted on the frame body, the automobile body bottom plate is arranged above the frame body, and after an automobile collides, the automobile body bottom plate can directly 'slap' the power battery below the automobile body bottom plate, so that the power battery is damaged.
According to the hoisting structure provided by the invention, the two sides of the power battery are arranged on the longitudinal beam of the vehicle body, the power battery is connected to the vehicle body bottom plate near the center part, and when the vehicle is impacted, the power battery is fixedly connected with the second connecting structure of the vehicle body bottom plate through the second connecting point, and at the moment, the vehicle body bottom plate cannot freely move due to the limitation of the second connecting structure, so that the vehicle body bottom plate can be prevented from flapping the power battery.
2. According to the hoisting structure provided by the invention, the second connecting structure is connected with the middle channel and the cross beam.
The middle channel and the cross beam are used as independent beam bodies, the middle channel and the cross beam have higher strength, the second connecting structure is connected with the middle channel and the cross beam, the strength of the second connecting structure can be enhanced through the middle channel and the cross beam, the connection stability of the second connecting mechanism to the power battery is effectively improved, and when an automobile jolts, the power battery causes the tearing of a vehicle body bottom plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a bottom view of a hoisting structure provided in embodiment 1 of the present invention, wherein a body side member and a power battery are omitted for clarity;
fig. 2 is a top view of a hoisting structure provided in embodiment 1 of the present invention;
fig. 3 is a schematic connection diagram of the frame body and the power battery provided in embodiment 2 of the present invention;
Fig. 4 is an exploded view of the hoisting structure according to embodiment 2 of the present invention.
Reference numerals illustrate:
1-medium channel; 2-a body rail; 3-a cross beam; 4-underbody; 5-a power cell; 6-a first connection structure; 7-a second connection structure; 8-a first connection point; 9-a second connection point; 10-connector.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
Referring to fig. 1 and 2, this embodiment provides a power battery hoisting structure, including: a frame body including a center tunnel 1, body side members 2 (see fig. 3) located on both sides of the center tunnel 1 and parallel to each other, and a cross member 3 connected between the body side members 2 and the center tunnel; a vehicle body floor 4 provided in a region between the center tunnel and the vehicle body side member 2 and covering the cross member 3; a plurality of groups of first connection points 8 are formed on the power battery 5 at positions corresponding to the longitudinal beams 2 of the vehicle body, and a plurality of groups of second connection points 9 are formed on the power battery 5 at positions corresponding to the bottom plate 4 of the vehicle body; the vehicle body longitudinal beam 2 is provided with a first connecting structure 6 for connecting with the first connecting point 8, and the vehicle body bottom plate 4 is provided with a second connecting structure 7 for connecting with the second connecting point 9 at a position corresponding to the second connecting point 9.
In the hoisting structure provided in the prior art, the power battery 5 is directly hoisted on the frame body, the vehicle body bottom plate 4 is arranged above the frame body, and after the automobile collides, the vehicle body bottom plate 4 can directly 'slap' the power battery 5 positioned below the vehicle body bottom plate, so that the power battery 5 is damaged.
Through the hoisting structure provided by the embodiment, two sides of the power battery 5 are arranged on the longitudinal beam 2 of the vehicle body, and the power battery 5 is connected to the bottom plate 4 of the vehicle body near the center. When the automobile is impacted, the power battery 5 is fixedly connected with the second connecting structure 7 of the automobile body bottom plate 4 through the second connecting point 9, and at the moment, the automobile body bottom plate 4 cannot move freely due to the limitation of the second connecting structure 7, so that the automobile body bottom plate 4 can be prevented from slapping the power battery 5.
Specifically, in the present embodiment, the underbody 4 is fixed above the cross member 3. The power battery 5 includes: a battery core; the battery box is used for accommodating the battery core, and the first connecting point 8 and the second connecting point 9 are formed on the battery box.
In this embodiment, the second connection structure 7 is integrally formed on the underbody 4. The second connecting structure 7 is rectangular, and is connected with the middle channel 1, the cross beam 3, and the vehicle body bottom plate 4 at two sides. In particular, the second connection structure 7 can be a boss with a rectangular bottom surface punched on the underbody 4, which presses against the flange of the central passage 1 and against the flange of the cross beam 3, so as to join the central passage 1 and the cross beam 3 in a "7" manner, thus reducing the risk of tearing the underbody.
Example 2
Referring to fig. 3 and 4, this embodiment is based on embodiment 1, in this embodiment, the second connection structure 7 is separately disposed from the underbody 4, and the second connection structure 7 is connected to the middle channel 1 and the cross member 3 by screws. Specifically, the second connection structure 7 includes a connection member 10, where the connection member 10 is configured to connect to the second connection point 9 of the power battery 5. The connecting piece 10 is connected with the middle channel 1 and the cross beam 3, namely, the connecting piece 10 is connected with the middle channel 1 at one side, the cross beam 3 at the other side and the vehicle body bottom plate 4 at the other side. In this way, the weight of the power battery 5 borne by the connection element 10 is taken up by the underbody 4, the central tunnel 1 and the cross beam 3, reducing the risk of tearing the underbody 4 while eliminating "slapping". In this embodiment, the second connection structure 7 is further provided with a through hole on the underbody 4, and the connection member 10 and the second connection point 9 are fixed together by passing a screw through the through hole.
The second connection structure 7 which is arranged in a split mode with the vehicle body bottom plate 4 is convenient to detach, when the second connection structure 7 is damaged, the damaged second connection structure 7 is directly detached by loosening the screw, and therefore the vehicle body bottom plate is convenient and fast.
Example 3
The embodiment provides a pure electric vehicle, and the electric vehicle in the embodiment adopts the power battery hoisting structure described in embodiment 1 and embodiment 2, two sides of the power battery are installed on a longitudinal beam of a vehicle body, and the power battery is connected to a bottom plate of the vehicle body near the center. The power battery can effectively eliminate the 'slapping' of the automobile bottom plate and the tearing of the automobile body floor 4 when the automobile crashes.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. The utility model provides a hoisting structure of power battery which characterized in that includes:
the frame body comprises a middle channel (1), vehicle body longitudinal beams (2) which are positioned at two sides of the middle channel (1) and are parallel to each other, and a cross beam (3) connected between the vehicle body longitudinal beams (2) and the middle channel (1);
a vehicle body floor (4) which is arranged in the region between the middle channel (1) and the vehicle body longitudinal beam (2) and is connected below the cross beam (3);
The power battery (5) is provided with a plurality of groups of first connecting points (8) formed at the position corresponding to the longitudinal beam (2) of the vehicle body, and a plurality of groups of second connecting points (9) formed at the position corresponding to the bottom plate (4) of the vehicle body;
A first connecting structure (6) used for being connected with the first connecting point (8) is arranged on the longitudinal beam (2), and a second connecting structure (7) used for being connected with the second connecting point (9) is arranged on the bottom plate (4);
the second connecting structure (7) is connected with the middle channel (1) and the cross beam (3).
2. Hoisting structure according to claim 1, characterized in that the second connection structure (7) is integrally formed on the underbody (4).
3. Hoisting structure according to claim 1, characterized in that the second connection structure (7) comprises a connection piece (10) for connecting the second connection point (9) at the power cell (5), the connection piece (10) being engaged with the middle channel (1) and the cross beam (3) each other.
4. A hoisting structure according to claim 3, characterized in that the connecting piece (10) is rectangular, which connects the cross beam (3) on one side to the central passage (1) and the underbody (4) on the other side.
5. Hoisting structure according to claim 3 or 4, characterized in that the second connection structure (7) further comprises a through hole provided in the underbody (4), through which hole the second connection point (9) is fixed in the connection piece.
6. Hoisting structure according to claim 5, characterized in that the connection piece is fastened to the second connection point (9) in one piece by means of screws.
7. Hoisting structure according to claim 1, characterized in that the second connection structure (7) is provided separately from the underbody (4), the second connection structure (7) being connected with the central channel (1) and the cross beam (3) by means of screws.
8. Hoisting structure according to claim 1, characterized in that the power battery (5) comprises:
A battery core;
The battery box is used for accommodating the battery core, and the first connecting point (8) and the second connecting point (9) are formed on the battery box.
9. A pure electric vehicle, characterized in that the pure electric vehicle adopts the hoisting structure of the power battery according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421293.9A CN108515834B (en) | 2018-05-04 | Hoisting structure of power battery and pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421293.9A CN108515834B (en) | 2018-05-04 | Hoisting structure of power battery and pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108515834A CN108515834A (en) | 2018-09-11 |
| CN108515834B true CN108515834B (en) | 2024-06-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009980A (en) * | 2011-09-26 | 2013-04-03 | 富士重工业株式会社 | Battery support structure for vehicle |
| CN208393090U (en) * | 2018-05-04 | 2019-01-18 | 恒大法拉第未来智能汽车（广东）有限公司 | Hoisting structure, the pure electric automobile of power battery |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009980A (en) * | 2011-09-26 | 2013-04-03 | 富士重工业株式会社 | Battery support structure for vehicle |
| CN208393090U (en) * | 2018-05-04 | 2019-01-18 | 恒大法拉第未来智能汽车（广东）有限公司 | Hoisting structure, the pure electric automobile of power battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 511458 9, Nansha District Beach Road, Guangzhou, Guangdong, 9 Applicant after: Evergrande Faraday Future Smart Car (Guangdong) Co.,Ltd. Address before: 511458 9, Nansha District Beach Road, Guangzhou, Guangdong, 9 Applicant before: Rui Chi Intelligent Automobile (Guangzhou) Co.,Ltd. |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20190322 Address after: 100015 Building No. 7, 74, Jiuxianqiao North Road, Chaoyang District, Beijing, 001 Applicant after: FAFA Automobile (China) Co.,Ltd. Address before: 511458 9, Nansha District Beach Road, Guangzhou, Guangdong, 9 Applicant before: Evergrande Faraday Future Smart Car (Guangdong) Co.,Ltd. |
|
| GR01 | Patent grant |