CN107571913A - Subframe assembly and electric automobile used for electric vehicle - Google Patents
Subframe assembly and electric automobile used for electric vehicle Download PDFInfo
- Publication number
- CN107571913A CN107571913A CN201610518830.2A CN201610518830A CN107571913A CN 107571913 A CN107571913 A CN 107571913A CN 201610518830 A CN201610518830 A CN 201610518830A CN 107571913 A CN107571913 A CN 107571913A
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- China
- Prior art keywords
- vehicle body
- subframe
- boss
- installation portion
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of subframe assembly used for electric vehicle and electric automobile, wherein, subframe assembly used for electric vehicle, including subframe body, the subframe body is provided with the mounting structure for being used for connecting with vehicle body, and the mounting structure has installation portion and boss, and the installation portion is used to be connected with the vehicle body, the boss is higher by the installation portion along on the direction of automobile head to the tailstock to vehicle body direction；The boss is used to offset with the vehicle body on the direction along automobile head to the tailstock.After the subframe assembly of the present invention is mounted with electric automobile, when electric automobile is by head-on crash, boss limitation subframe body moves towards battery pack under external force.Subframe is avoided to strike the battery pack being installed on vehicle body, it is secure so as to the security and stability of battery pack.
Description
Technical field
The present invention relates to automobile technical field, and in particular to a kind of subframe assembly used for electric vehicle and electric automobile.
Background technology
At present, because petroleum resources are in short supply, oil price continuous rise, new-energy automobile arises at the historic moment.New-energy automobile rises abruptly
Rise already as one of important trend of development of automobile, especially pure electric automobile is truly realized zero-emission.New-energy automobile
As new things, its electric security is constantly subjected to higher concern, and high-tension battery group is the power resources of pure electric automobile, pure
Electric automobile mesohigh battery pack volume is all bigger.In general high-tension battery group be arranged in vehicle body lower section (vehicle body towards
The surface on ground), fixed by some mount points with vehicle body.
When vehicle occur head-on crash when, subframe under head-on crash operating mode by transient impact power when, produce
Larger rearward displacement, subframe have the risk for striking high-tension battery group.
It is made up of inside high-tension battery group some battery modules, there is arrangement high-voltage line on periphery.Battery module and high-voltage line by
Easily cause the insulation resistance failure of inside modules after to shock, cause to leak electricity, or even have blast equivalent risk on fire.
The content of the invention
It is subframe by can hit high-tension battery group during head-on crash that the present invention, which solves the problems, such as,.
To solve the above problems, the present invention provides a kind of subframe assembly used for electric vehicle, including subframe body, it is described
Subframe body is provided with the mounting structure for being used for connecting with vehicle body, and the mounting structure has installation portion and boss, the peace
Dress portion is used to be connected with the vehicle body, and the boss is higher by along on the direction of automobile head to the tailstock to vehicle body direction
The installation portion；The boss is used to offset with the vehicle body on the direction along automobile head to the tailstock.
Optionally, the installation portion have be used for towards the vehicle body first surface, the boss have be used for towards
The second surface of the vehicle body, the angled setting of second surface of the first surface of the installation portion and the boss.
Optionally, the second surface of the boss is plane.
Optionally, the distance that the boss is higher by the installation portion is 80mm-90mm.
Optionally, the angle of the second surface of the first surface of the installation portion and the boss is 90 ° to 140 °.
Optionally, the installation portion is connected by bolt with the vehicle body.
The present invention also provides a kind of electric automobile, including：
Subframe assembly described in any of the above-described；
Vehicle body, include successively along automobile head to the direction of the tailstock, the surface of the vehicle body towards the subframe body
First surface, second surface and the 3rd surface, the 3rd surface of the vehicle body are provided with battery pack；The first surface of the vehicle body
With the angled setting of second surface, the second surface of the vehicle body compared to the vehicle body first surface closer to the secondary car
Frame body；
The installation portion is connected with the second surface of the vehicle body, and the first surface of the boss and the vehicle body offsets.
Optionally, the boss covers or is completely covered the vehicle body to the projection section of the first surface of the vehicle body
First surface.
Optionally, along automobile head to the direction of the tailstock, the mounting structure and the battery pack interval 80mm-110mm.
Compared with prior art, technical scheme has advantages below：
The subframe assembly used for electric vehicle of the present invention, including subframe body, subframe body, which is provided with, to be used for and car
The mounting structure of body connection.The mounting structure of the present invention has installation portion and boss, and installation portion is used to be connected with vehicle body, boss edge
On the direction of automobile head to the tailstock, installation portion is higher by vehicle body direction；Boss is used for along automobile head to the tailstock
Direction on offseted with vehicle body.
After the subframe assembly of the present invention is mounted with electric automobile, along headstock to the direction of the tailstock, secondary car
The mounting structure of frame assembly has a certain distance with the battery pack on vehicle body.When electric automobile is by head-on crash
When, subframe body has the trend of rearward displacement in the presence of impact, because the boss in the mounting structure of subframe exists
Offseted on headstock to the direction of the tailstock with vehicle body, boss limitation subframe body moves towards battery pack under external force.Keep away
Exempt from subframe and strike the battery pack being installed on vehicle body, it is secure so as to the security and stability of battery pack.
Brief description of the drawings
Fig. 1 is vehicle body and assembly relation schematic diagram of the subframe under main view angle in the prior art；
Fig. 2 is the direction of motion schematic diagram of subframe under external force in the prior art, and subframe direction is shown in figure
High-tension battery group is moved；
Fig. 3 is vehicle body and assembly relation schematic diagram of the subframe under main view angle in the embodiment of the present invention；
Fig. 4 is the front view of subframe body of the embodiment of the present invention；
Fig. 5 is the direction of motion schematic diagram of subframe under external force in the embodiment of the present invention, and subframe is shown in figure
Do not moved towards high-tension battery group.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
With reference to figure 1, in the prior art, subframe 1 is arranged on by bolt 5 on the vehicle body 2 of electric automobile, along headstock to car
The direction of tail, battery pack 3 is also equipped with vehicle body 2, high-voltage line 4 is additionally provided with the periphery of battery pack 3.
With reference to figure 2, when electric automobile is hit, subframe 1 is by enormous impact force, when suffered impulsive force exceedes
During moment of torsion between bolt 5 and vehicle body 2, bolt 5 can come off.Because subframe 1 is nearly parallel to vehicle body 2, after the stress of subframe 1
Due to the effect of inertia, (in Fig. 2 shown in C directions, namely headstock is to the direction of the tailstock) can be moved towards battery pack 3, and hit
To high-voltage line 4.Battery pack 3 and high-voltage line 4 easily cause the insulation resistance failure of inside modules after being hit, cause to leak electricity,
Even there is blast equivalent risk on fire.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of subframe assembly used for electric vehicle, with reference to figure 3,
Including subframe body 10, the structure of the part for being used to connect with vehicle body 20 of subframe body 10 is illustrate only in Fig. 3, and
A directions meaning is headstock direction in figure, and B directions meaning is tailstock direction.In the present embodiment, subframe body 10, which is provided with, to be used for
The mounting structure connected with vehicle body 20, mounting structure have installation portion 11 and boss 12.Installation portion 11 is used to be connected with vehicle body 20,
Vehicle body 20 is provided with bolt hole, also is provided with bolt hole on installation portion 11 in relevant position, and installation portion 11 passes through bolt 40 and vehicle body
20 connections.Boss 12 is higher by peace along on the direction of automobile head to the tailstock (namely overall height direction) to the direction of vehicle body 20
Dress portion 11, show that the distance that boss 12 is higher by installation portion 11 is H in Fig. 3；Boss 12 is used in the side along automobile head to the tailstock
Offseted upwards with vehicle body 20.
After the subframe assembly of the present invention is mounted with electric automobile, the direction along headstock to the tailstock is (in Fig. 3
A to B direction, namely vehicle commander direction), the mounting structure of subframe assembly has one with the battery pack 30 on vehicle body 20
Fixed distance.When electric automobile is by head-on crash, subframe body 10 has becoming for rearward displacement in the presence of impact
Gesture, because the boss 12 in the mounting structure of subframe offsets on the direction of headstock to the tailstock with vehicle body 20, boss 12 limits
Subframe body 10 moves towards battery pack under external force.Equivalent to the direction from headstock to the tailstock, vehicle body 20 blocks
Boss 12, subframe body 10 are also just stopped, avoid subframe from striking the battery pack 30 being installed on vehicle body 20 and height
Line ball 31, it is secure so as to the security and stability of battery pack.
With continued reference to Fig. 4, the installation portion 11 in the present embodiment has the first surface 11a being used for towards vehicle body 20, boss
12 have the second surface 12a, the first surface 11a of installation portion 11 and the second surface 12a of boss 12 being used for towards vehicle body 20
Angled setting.In the present embodiment, the second surface 12a of first surface 11a and boss 12 angle is 90 ° to 140 °, including
90 ° and 140 °.Equivalent to being provided with an inclined-plane (i.e. second surface 12a) on subframe body 10.It is convex in the present embodiment
The second surface 12a of platform 12 is plane, can not be plane in other embodiments, such as curved surface, as long as can be with vehicle body 20
Offset.
In the present embodiment, with reference to figure 5, the embodiment of the present invention also provides a kind of automobile, including：Vehicle body 20, along automobile head
To the direction of the tailstock, vehicle body 20 includes first surface 21, second surface 22 and the 3rd successively towards the surface of subframe body 10
Surface 23, the 3rd surface 23 of vehicle body 20 are provided with battery pack 30；The first surface 21 and second surface 22 of vehicle body 20 are angled
Set, the second surface 22 of vehicle body 20 compared to vehicle body 20 first surface 21 closer to subframe body 10.It can be understood as：
For the second surface 22 of vehicle body 20 almost in horizontally disposed (parallel to level ground), first surface 21 is curved backwards to subframe body 10
Folding；It can be appreciated that the first surface 21 of vehicle body 20 is an inclined-plane.
In the present embodiment, installation portion 11 is connected with the second surface 22 of vehicle body 20, namely the first surface 11a of installation portion 11
Bolt hole is provided with, the second surface 22 of vehicle body 20 is provided with bolt hole, and installation portion 11 passes through bolt and the second surface of vehicle body 20
22 connections.The first surface 21 of boss 12 and vehicle body 20 offsets, that is, the second surface 12a of boss 12 and the first of vehicle body 20
Surface 21 is affixed merging and offseted, and the second surface 12a of boss 12 can be parallel arrangement with the first surface 21 of vehicle body 20, also may be used
With not parallel arrangement.
The first surface 21 of boss 12 and vehicle body 20 offset it can be appreciated that：First surface 21 of the boss 12 to vehicle body 20
Projection section covering or the first surface 21 of vehicle body 20 is completely covered.
In the present embodiment, 80mm-110mm, bag are spaced with battery pack 30 along automobile head to the direction of the tailstock, mounting structure
Include 80mm and 110mm.High-voltage line 30 is arranged on the periphery of battery pack 30.
With reference to figure 5 and with reference to shown in Fig. 3 and Fig. 4, when electric automobile is by head-on crash, subframe body is hit
Power, there is the trend of rearward displacement under effect of inertia.But because subframe body 10 is provided with boss 12, the second table of boss 12
Face 12a is inclined-plane, and is offseted with the inclined-plane first surface 21 of vehicle body, and boss 12 just limits subframe body 10 under external force
Moved in the horizontal direction towards battery pack 30, i.e. the horizontal movement direction of subframe 10 is restricted.
Subframe body 10 itself has certain weight, in the presence of inertia force and gravity, subframe body 10
First surface 21 oblique movements of the second surface 12a of boss 12 along vehicle body 20, D directions are shown and first surface 21 in Fig. 5
Parallel direction.Equivalent to subframe body 10 the direction of motion as parallel motion of the prior art (shown in C directions in Fig. 2)
It is changed into oblique movement (in Fig. 5 shown in D directions), the direction of motion of subframe body 10 is changed, and is avoided striking and is located at
The battery pack 30 and high-voltage line 31 of subframe horizontal direction, it is secure so as to the security and stability of battery pack.
It should be noted that due to there is provided the boss 12 for being higher by installation portion 112, changing subframe body in the present embodiment
10 direction of motion.And second surface 12a due to boss 12 and the first surface 21 of vehicle body 20 are inclined-plane, so as to subframe
The direction of motion under the effect of the external force of body 10 is oblique movement.And the distance H that boss 12 is higher by the installation portion 11 determines pair
The degree of the oblique movement of frame body 10, because, if H is 0, equivalent to being not provided with boss 12, secondary car on subframe body 10
The direction of motion under the effect of the external force of frame body 10 is still parallel motion.If H is too small, the ability of the one end of tattooing handle 12 of vehicle body 20 is smaller,
Under the effect of the external force of subframe body 10, some distances initially only can be diagonally moved, afterwards under larger impact effect
Still suffer from the risk for hitting battery pack 30 and high-voltage line 31.
Therefore, to ensure the oblique movement as far as possible under external force of subframe body 10, in the present embodiment, boss 12
The distance H for being higher by installation portion 11 is 80mm-90mm, including 80mm and 90mm.The distance H that boss 12 is higher by installation portion 11 can not surpass
The height of the first surface 21 of vehicle body 20 is crossed, distance H maximum can be understood as：The second surface 12a of boss 12 is to vehicle body
The first surface 21 of vehicle body 20 is completely covered in the projection section of 20 first surface 21.
Within this range, subframe can be preferably avoided to strike the battery pack being installed on vehicle body, so as to battery pack
Security and stability it is secure.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (9)
1. a kind of subframe assembly used for electric vehicle, it is characterised in that including subframe body, the subframe body is provided with
For the mounting structure connected with vehicle body,
The mounting structure has installation portion and boss, and the installation portion is used to be connected with the vehicle body, and the boss is along vertically
In on the direction of automobile head to the tailstock, the installation portion is higher by vehicle body direction；The boss be used for along automobile head extremely
Offseted on the direction of the tailstock with the vehicle body.
2. subframe assembly used for electric vehicle as claimed in claim 1, it is characterised in that the installation portion have be used for towards
The first surface of the vehicle body, the boss have the second surface being used for towards the vehicle body, the first table of the installation portion
The angled setting of the second surface of face and the boss.
3. subframe assembly used for electric vehicle as claimed in claim 2, it is characterised in that the second surface of the boss is flat
Face.
4. subframe assembly used for electric vehicle as claimed in claim 2, it is characterised in that the boss is higher by the installation portion
Distance be 80mm-90mm.
5. subframe assembly used for electric vehicle as claimed in claim 2, it is characterised in that the first surface of the installation portion and
The angle of the second surface of the boss is 90 ° to 140 °.
6. subframe assembly used for electric vehicle as claimed in claim 1, it is characterised in that the installation portion passes through bolt and institute
State vehicle body connection.
A kind of 7. electric automobile, it is characterised in that including：
Subframe assembly described in claim any one of 1-6；
Vehicle body, include first successively towards the surface of the subframe body along automobile head to the direction of the tailstock, the vehicle body
Surface, second surface and the 3rd surface, the 3rd surface of the vehicle body are provided with battery pack；The first surface of the vehicle body and
The angled setting in two surfaces, the second surface of the vehicle body compared to the vehicle body first surface closer to the subframe sheet
Body；
The installation portion is connected with the second surface of the vehicle body, and the first surface of the boss and the vehicle body offsets.
8. electric automobile as claimed in claim 7, it is characterised in that projection of the boss to the first surface of the vehicle body
Part covers or is completely covered the first surface of the vehicle body.
9. electric automobile as claimed in claim 7, it is characterised in that along automobile head to the direction of the tailstock, the installation knot
Structure and the battery pack interval 80mm-110mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518830.2A CN107571913B (en) | 2016-07-04 | 2016-07-04 | Auxiliary frame assembly for electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518830.2A CN107571913B (en) | 2016-07-04 | 2016-07-04 | Auxiliary frame assembly for electric automobile and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107571913A true CN107571913A (en) | 2018-01-12 |
| CN107571913B CN107571913B (en) | 2020-01-03 |
Family
ID=61049078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518830.2A Active CN107571913B (en) | 2016-07-04 | 2016-07-04 | Auxiliary frame assembly for electric automobile and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107571913B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347895A (en) * | 2018-12-20 | 2020-06-30 | 奥迪股份公司 | Contactless charging device for a motor vehicle and motor vehicle |
| CN111661160A (en) * | 2020-06-16 | 2020-09-15 | 浙江联控技术有限公司 | Automobile front overhang framework |
| CN111703504A (en) * | 2019-03-18 | 2020-09-25 | 上海汽车集团股份有限公司 | Vehicle and main and auxiliary double-longitudinal-beam connecting mechanism thereof |
| WO2023179455A1 (en) * | 2022-03-25 | 2023-09-28 | 北京车和家汽车科技有限公司 | Vehicle body steering assembly, and vehicle |
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| JP2013199207A (en) * | 2012-03-26 | 2013-10-03 | Mazda Motor Corp | Vehicle subframe structure |
| CN203651909U (en) * | 2013-11-19 | 2014-06-18 | 浙江吉利汽车研究院有限公司 | Unitary construction body with auxiliary frame |
| CN203766880U (en) * | 2014-03-11 | 2014-08-13 | 上海通用汽车有限公司 | Auxiliary frame with retaining portion |
| CN204055977U (en) * | 2013-07-25 | 2014-12-31 | 福特环球技术公司 | Be arranged on the killer bracket between the power system of vehicle and subframe |
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Patent Citations (5)
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| CN102448752A (en) * | 2009-05-28 | 2012-05-09 | 丰田自动车株式会社 | Fuel cell system and vehicle |
| JP2013199207A (en) * | 2012-03-26 | 2013-10-03 | Mazda Motor Corp | Vehicle subframe structure |
| CN204055977U (en) * | 2013-07-25 | 2014-12-31 | 福特环球技术公司 | Be arranged on the killer bracket between the power system of vehicle and subframe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347895A (en) * | 2018-12-20 | 2020-06-30 | 奥迪股份公司 | Contactless charging device for a motor vehicle and motor vehicle |
| CN111347895B (en) * | 2018-12-20 | 2023-12-19 | 奥迪股份公司 | Contactless charging device for a motor vehicle and motor vehicle |
| CN111703504A (en) * | 2019-03-18 | 2020-09-25 | 上海汽车集团股份有限公司 | Vehicle and main and auxiliary double-longitudinal-beam connecting mechanism thereof |
| CN111661160A (en) * | 2020-06-16 | 2020-09-15 | 浙江联控技术有限公司 | Automobile front overhang framework |
| CN111661160B (en) * | 2020-06-16 | 2021-07-16 | 浙江联控技术有限公司 | Automobile front overhang framework |
| WO2023179455A1 (en) * | 2022-03-25 | 2023-09-28 | 北京车和家汽车科技有限公司 | Vehicle body steering assembly, and vehicle |
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|---|---|
| CN107571913B (en) | 2020-01-03 |
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