CN208411873U - Automobile and its A column assembly and vehicle body - Google Patents
Automobile and its A column assembly and vehicle body Download PDFInfo
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- CN208411873U CN208411873U CN201820461081.9U CN201820461081U CN208411873U CN 208411873 U CN208411873 U CN 208411873U CN 201820461081 U CN201820461081 U CN 201820461081U CN 208411873 U CN208411873 U CN 208411873U
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- column
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Abstract
The utility model relates to auto Body Technology fields, a kind of automobile and its A column assembly and vehicle body are provided, the A column assembly includes the vertical main body of A column and the A column roof side rail that extends from the upper end of the vertical main body of A column towards back upper place, the vertical main body of A column has vertical main hollow cavity, the automobile includes lower end and horizontally extending preceding floor sill strip and the cabin roof side rail assembly being connected on front side of the vertical body top of A column for being connected to the vertical main body of A column, the A column assembly further includes the A column reinforcement part being connected on front side of the vertical main body of A column, the A column reinforcement part has vertical secondary hollow cavity, the cabin roof side rail assembly is connected at the top of the A column reinforcement part, bottom is connected to the preceding floor sill strip.The absorption of A column assembly described in the utility model, transmitting impact force effect are more preferable.
Description
Technical field
The utility model relates to automotive body structure technical field, in particular to a kind of automobile and its A column assembly and vehicle body.
Background technique
In recent years, the requirement to vehicle safety improves.Relatively more, each department are studied to the collision safety of automobile both at home and abroad
Various regulations are formulated to 100% central collision of automobile, 40% central collision, especially North America market IIHS wants 25% offset collision regulation of automobile
Ask most stringent, this just proposes acid test to automobile front structure design, need to make optimization to front shock structure and set
Meter.
The design of cabin front portion structure has very important effect, and the quality of structure directly affects the collision of vehicle
Energy.And in collision process, it is even more important how the front longitudinal beam of cabin effectively transmits impact force backward, only in collision process
Middle guarantee front panel and A column assembly have lesser invasion amount, just can guarantee the safety of passenger.So being designed in Modern Automobile Body
In, in order to more preferably meet safety requirements, absorbs A column assembly more preferably, transmits impact force and be increasingly taken seriously.
In addition, the design of existing cabin front portion structure, in order to meet A column assembly structure intensity requirement, part vehicle considers
The limitation of the factors such as cost, A column assembly often use big cross section, and thicker steel plate promotes A column assembly field strength, in this way can be right
Car body weight is aggravated, current lightweight vehicle body design requirement is not met.
Utility model content
In view of this, the utility model is directed to a kind of absorb, the better A column assembly of transmitting impact force effect, have
The vehicle body of the A column assembly and automobile with the vehicle body.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of A column assembly of automobile, the A column assembly include the vertical main body of A column and from the upper end of the vertical main body of A column
The A column roof side rail extended towards back upper place, the vertical main body of A column have vertical main hollow cavity, and the automobile includes connecting
It is connected to the lower end of the vertical main body of A column and horizontally extending preceding floor sill strip and to be connected to the A column vertical
Cabin roof side rail assembly on front side of body top, the A column assembly further include the A column being connected on front side of the vertical main body of A column
Reinforcement part, the A column reinforcement part have vertical secondary hollow cavity, are connected in the cabin at the top of the A column reinforcement part
Side bar assembly, bottom are connected to the preceding floor sill strip.
Further, the vertical main body of A column includes close to the A column inner panel of the automobile inner side and outside the automobile
The A column outside plate of side, rear portion, the front end that the rear end of the A column outside plate is connected to the A column inner panel are connected to the A column inner panel
Middle part, and the middle section of the A column outside plate is arched upward towards vehicle outer side, so that in the A column outside plate and the A column
The main hollow cavity is formed between plate；Also, the A column reinforcement part includes A column reinforcement plate, the front end of the A column reinforcement plate
Front, the rear end for being connected to the A column inner panel are connected on the part that the A column outside plate arches upward towards vehicle outer side, so that
The secondary hollow cavity is formed between the A column outside plate, the A column inner panel and the A column reinforcement plate.
Further, the A column assembly further includes the side-wall outer-plate being covered on the outside of the A column outside plate, outside the side wall
The rear end of plate is connected to the rear end of the A column outside plate, and the front end of the side-wall outer-plate is connected to the A column outside plate towards vapour
Rear on the part arched upward on the outside of vehicle and positioned at A column reinforcement plate rear end.
Further, the A column assembly further includes being set in the secondary hollow cavity so that the pair hollow cavity
Laterally there is the secondary hollow cavity assistant reinforcement portion of unequal rigidity along automobile.
Further, the secondary hollow cavity assistant reinforcement portion includes being located in the secondary hollow cavity and along the vapour
The assistant reinforcement plate of vehicle longitudinally extended, the assistant reinforcement plate are located at the middle region along automobile transverse direction of the secondary hollow cavity
In domain.
Further, the leading edge of the A column reinforcement part prolongs in the front upper place inclination that top is formed towards the automobile
It is connected to the cabin roof side rail assembly with stretching.
Further, the rigidity of the A column reinforcement part is less than the rigidity of the vertical main body of A column.
The another object of the utility model is to propose a kind of vehicle body of automobile, including according to vapour described in the utility model
The A column assembly of vehicle.
Further, the vehicle body further includes along direction is sequentially connected from top to bottom and outside is total respectively at the A column
At towards connecting plate, front wall lower beam and front longitudinal beam rear end connecting plate after the front wheel housing on the side surface in the automobile,
The front surface of connecting plate, the front wall lower beam and front longitudinal beam rear end connecting plate is respectively at different after the front wheel housing
On surface；And the vehicle body further includes front longitudinal beam, and the rear portion of the front longitudinal beam is connected to connecting plate after the front wheel housing, described
Front wall lower beam and front longitudinal beam rear end connecting plate.
The further object of the utility model is to propose a kind of automobile, be provided with according to automobile described in the utility model
Vehicle body.
In the A column assembly of the automobile of the utility model, by optimizing the structure of A column assembly, so that A column assembly
With dual chamber structure, specifically, A column assembly includes the vertical main body of A column positioned at the A column reinforcement part of front side and positioned at rear side, A
Column reinforcement part and the vertical main body of A column respectively include secondary hollow cavity and main hollow cavity, and when by head-on crash, top is just
A part of impact force is first transmitted to A column reinforcement part, and conquassation deformation is occurred by the power come from cabin transmitting, is inhaled for A column reinforcement part
Energy is received, then again continues power to be transferred to the vertical main body of A column, A column reinforcement part can play guarantor to the vertical main body of A column as a result,
Shield effect, reduces the deflection of the vertical main body of A column.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the partial schematic diagram for showing vehicle body according to the present utility model, and the left side of Fig. 1 is the front side of automobile
To；
Fig. 2 is the cross-sectional view of the cutting along Fig. 1 middle line A-A, wherein a part of structure shown in Fig. 1 is only shown, with
It gives prominence to the key points the structure of A column assembly part；
Fig. 3 is the power transmitting situation for showing the body portion in Fig. 1, and wherein arrow shows power output transmission channels and divides
Branch；
Fig. 4 is the schematic diagram that body portion shown in Fig. 1 is observed obliquely from the front.
Description of symbols:
The vertical 12 A column roof side rail of main body of 11 A columns
The 13 secondary hollow cavities of main hollow cavity 14
15 A column inner panel, 16 A column outside plate
17 A column reinforcement plate, 18 assistant reinforcement plate
19 leading edge, 110 side-wall outer-plate
111 preceding 112 A column reinforcement parts of floor sill strip
2 cabin roof side rail assembly, 3 front longitudinal beam
4 front longitudinal beam rear end connecting plate, 5 front wall lower beam
7 front wheel housing of connecting plate after 6 front wheel housings
8 front panels
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the present invention, it is to be understood that term " deviating from ", " direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" and the orientation or positional relationship of actual use are corresponding；" inside and outside " refers to phase
For each component itself profile it is inside and outside；It is merely for convenience of describing the present invention and simplifying the description, rather than indicates institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The utility model provides a kind of A column assembly of automobile, and referring to Fig. 1 to Fig. 3, the A column assembly includes that A column is vertical
Main body 11, the A column roof side rail 12 extended from the upper end of the vertical main body 11 of the A column towards back upper place and it is connected to the A column
The lower end of vertical main body 11 and horizontally extending preceding floor sill strip 111, the vertical main body 11 of A column is with vertical
Main hollow cavity 13, the automobile includes the cabin roof side rail assembly 2 for being connected to vertical 11 upper front of main body of the A column,
The A column assembly further includes the A column reinforcement part 112 for being connected to vertical 11 front side of main body of the A column, and the A column reinforcement part 112 has
There is vertical secondary hollow cavity 14, the top of the A column reinforcement part 112 is connected to the cabin roof side rail assembly 2, bottom connection
In the preceding floor sill strip 111.
In the A column assembly of the automobile of the utility model, by optimizing the structure of A column assembly, so that A column assembly
With dual chamber structure, specifically, A column assembly includes being located at the A column reinforcement part 112 of front side and vertically leading positioned at the A column of rear side
Body 11, A column reinforcement part 112 and the vertical main body 11 of A column respectively include secondary hollow cavity 14 and main hollow cavity 13, when by front
When collision, a part of the positive impact force on top is first transmitted to A column reinforcement part 112, and A column reinforcement part 112 is come by from cabin transmitting
Power and occur conquassation deformation, absorb energy, then power is continued again to be transferred to the vertical main body 11 of A column, as a result, A column reinforcement part
112 can play a protective role to the vertical main body of A column 11, reduce the deflection of the vertical main body 11 of A column.
Also, the rigidity that A column reinforcement part 112 and the vertical main body 11 of A column can be designed with differentiation, to optimize entire A
The intensity of column assembly for example, can be set as the thickness for having different by the different material of selection or by material, and makes
The rigidity of the A column reinforcement part 112 is less than the rigidity of the vertical main body 11 of the A column, improves the conquassation of A column reinforcement part 112 as a result,
Energy absorption ability makes it preferably provide protection to the vertical main body of A column 11, is more advantageous to the integrality for guaranteeing the vertical main body 11 of A column.
Also, A column assembly is using not uniform thickness material design, and it is smaller to also help weight, is convenient for vehicle light-weight design.
Specifically, the vertical main body 11 of the A column includes close to the A column inner panel 15 of the automobile inner side and close to the automobile
The A column outside plate 16 in outside, rear portion, the front end that the rear end of the A column outside plate 16 is connected to the A column inner panel 15 are connected to the A
The middle part of column inner panel 15, and the middle section of the A column outside plate 16 is arched upward towards vehicle outer side, so that outside the A column
The main hollow cavity 13 is formed between plate 16 and the A column inner panel 15；Also, the A column reinforcement part 112 is reinforced including A column
Plate 17, front, the rear end that the front end of the A column reinforcement plate 17 is connected to the A column inner panel 15 are connected to 16 court of A column outside plate
On the part arched upward to vehicle outer side so that the A column outside plate 16, the A column inner panel 15 and the A column reinforcement plate 17 it
Between form the secondary hollow cavity 14.Wherein, secondary hollow cavity 14 and main hollow cavity 13 are closed cavity.
Certainly, it will be appreciated by persons skilled in the art that A column assembly can also be through other connections between plate
Mode and construct the dual chamber form with secondary hollow cavity 14 and main hollow cavity 13, to obtain the conquassation deformation of promotion
Energy absorption ability and the Intensity Design of optimization.
In addition, reinforcing as the intensity for main hollow cavity 13, the A column assembly further includes being covered in outside the A column
The side-wall outer-plate 110 in 16 outside of plate, the rear end of the side-wall outer-plate 110 is connected to the rear end of the A column outside plate 16, and the side wall
The front end of outside plate 110 is connected on the part that the A column outside plate 16 arches upward towards vehicle outer side and is located at the A column reinforcement plate 17
The part for the A column outside plate 16 that the rear of rear end, i.e. side-wall outer-plate 110 are covered is not Chong Die with the A column reinforcement plate 17.
Preferably, the A column assembly further includes being set in the secondary hollow cavity 14 so that the pair hollow cavity
14 laterally have the secondary hollow cavity assistant reinforcement portion of unequal rigidity along automobile.Added as a result, by secondary hollow cavity auxiliary
Strong portion reinforces the rigidity of local location of the secondary hollow cavity 14 along automobile transverse direction, to enable secondary hollow cavity 14
Preferably absorb the collision energy decomposed on A column reinforcement part 112.
Specifically, referring to fig. 2, in this described embodiment, the pair hollow cavity assistant reinforcement portion includes positioned at described
In secondary hollow cavity 14 and along the assistant reinforcement plate 18 of the automobile longitudinally extended, which is located at the pair
Hollow cavity 14 along the central region of automobile transverse direction.The both ends of the assistant reinforcement plate 18 are connected to the A column outside plate
On the part arched upward with the A column reinforcement plate 17 towards vehicle outer side on 16 parts arched upward towards vehicle outer side.
It is further preferred that the leading edge 19 of the A column reinforcement part 112 before top is formed towards the automobile on
Side's inclination is connected to the cabin roof side rail assembly 2 with extending, and A column reinforcement part 112 and cabin roof side rail assembly 2 thereby is achieved
Smoothly transit connection.
Referring to Fig. 3, arrow therein shows the front portion structure of automobile shown in Fig. 1 when by head-on crash
Power transmit form.As can be seen that energy mainly can be by being divided to two main roads to pass through cabin roof side rail when by head-on crash
Assembly 2 and front longitudinal beam 3 transmit backward.Wherein, as main power transmission channel, impact force is transmitted backward by front longitudinal beam 3, for the master
Power transmission channel, will be described in greater detail hereinafter.And as auxiliary power transmission channel, impact force by cabin roof side rail assembly 2 to
After transmit, and cabin roof side rail assembly 2 and A column assembly handover site decomposition be three power transmission branches, wherein one point
Branch is is smoothly transitted into A column roof side rail 12, and another branches into continuation and be transmitted to the vertical main body 11 of A column backward, and there are also one point
Branch is the leading edge 19 by A column reinforcement part 112, is smoothly transitted into A column reinforcement part 112 from cabin roof side rail assembly 2, as a result,
By three power transmission branches, rationally disperse impact force, power transmission better effect helps to protect subsequent cockpit.
Another aspect according to the present utility model additionally provides a kind of vehicle body of automobile, including according to the present utility model
The A column assembly of automobile.
Preferably, the vehicle body further includes along direction is sequentially connected from top to bottom and outside is respectively at the A column assembly
Towards connecting plate 6, front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 after the front wheel housing on the side surface in the automobile,
The front surface of connecting plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 is respectively at not after the front wheel housing
On same surface；And the vehicle body further includes front longitudinal beam 3, and the rear portion of the front longitudinal beam 3 connects after being connected to the front wheel housing
Plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4.When by head-on crash, as master mentioned above
Power transmission channel, impact force can be transmitted backward by front longitudinal beam 3, are in particular transferred to by front longitudinal beam 3 and are connected to the rear part
Then connecting plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 after the front wheel housing pass through the front-wheel again
Connecting plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 are transmitted on A column assembly after cover.
Referring to fig. 4, after front longitudinal beam 3 is collided energy, part energy is absorbed, remaining energy is vertical before continuing through
Beam 3 transmits backward, is transferred to and is connected to 3 rear portion of front longitudinal beam, and is dispersed to and connects with after the back-connected front wheel housing of front longitudinal beam 3
Fishplate bar 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4, in the present embodiment, after the front wheel housing
The front surface of connecting plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 is respectively on different surfaces, is made
It is lateral along automobile respectively to obtain connecting plate 6, the front wall lower beam 5 and front longitudinal beam rear end connecting plate 4 after the front wheel housing
The power of transmitting is transmitted on a different plane each other, and after being finally transferred on A column assembly again, and is diverged to each other, thus
Reasonably the power being transferred on A column assembly is dispersed, has optimized power transmission effect, has reduced to A column assembly and subsequent cockpit institute
Caused by damage.
In addition, the vehicle body of the automobile further includes front wheel housing 7 and front panel 8, being laterally extended along automobile of front panel 8
And it is connected to the rear portion of the A column assembly.
Another aspect according to the present utility model, additionally provides a kind of automobile, is provided with automobile described in the utility model
Vehicle body.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of A column assembly of automobile, the A column assembly includes the vertical main body of A column (11) and from the vertical main body of A column (11)
The A column roof side rail (12) that extends towards back upper place of upper end, the vertical main body of A column (11) has vertical main hollow cavity
(13), the automobile includes the lower end for being connected to the vertical main body of A column (11) and horizontally extending preceding trap-door
Sill beam (111) and the cabin roof side rail assembly (2) for being connected to the vertical main body of A column (11) upper front, which is characterized in that institute
Stating A column assembly further includes the A column reinforcement part (112) being connected on front side of the vertical main body of A column (11), the A column reinforcement part
(112) there is vertical secondary hollow cavity (14), it is total to be connected to the cabin roof side rail at the top of the A column reinforcement part (112)
The preceding floor sill strip (111) is connected at (2), bottom.
2. the A column assembly of automobile according to claim 1, which is characterized in that the vertical main body of A column (11) includes close
The A column inner panel (15) of the automobile inner side and A column outside plate (16) close to the vehicle outer side, after the A column outside plate (16)
Rear portion, the front end that end is connected to the A column inner panel (15) are connected to the middle part of the A column inner panel (15), and the A column outside plate
(16) middle section is arched upward towards vehicle outer side, so that the shape between the A column outside plate (16) and the A column inner panel (15)
At the main hollow cavity (13)；Also, the A column reinforcement part (112) includes A column reinforcement plate (17), the A column reinforcement plate
(17) front, the rear end that front end is connected to the A column inner panel (15) are connected to the A column outside plate (16) and encircle towards vehicle outer side
On the part risen, so that being formed between the A column outside plate (16), the A column inner panel (15) and the A column reinforcement plate (17)
The pair hollow cavity (14).
3. the A column assembly of automobile according to claim 2, which is characterized in that the A column assembly further include be covered in it is described
Side-wall outer-plate (110) on the outside of A column outside plate (16), the rear end of the side-wall outer-plate (110) are connected to the A column outside plate (16)
Rear end, and the front end of the side-wall outer-plate (110) is connected on the part that the A column outside plate (16) is arched upward towards vehicle outer side
And it is located at the rear of A column reinforcement plate (17) rear end.
4. the A column assembly of automobile according to claim 1, which is characterized in that the A column assembly further include be set to it is described
So that the pair hollow cavity (14) laterally has the secondary hollow cavity of unequal rigidity along automobile in secondary hollow cavity (14)
Body assistant reinforcement portion.
5. the A column assembly of automobile according to claim 4, which is characterized in that pair hollow cavity assistant reinforcement portion packet
It includes and is located in the secondary hollow cavity (14) and along the assistant reinforcement plate (18) of the automobile longitudinally extended, the auxiliary adds
Strong plate (18) is positioned at the secondary hollow cavity (14) along the central region of automobile transverse direction.
6. the A column assembly of automobile according to claim 1, which is characterized in that the leading edge of the A column reinforcement part (112)
(19) the cabin roof side rail assembly (2) is connected to extending in the front upper place inclination that top is formed towards the automobile.
7. the A column assembly of automobile described in any one of -6 according to claim 1, which is characterized in that the A column reinforcement part
(112) rigidity is less than the rigidity of the vertical main body of A column (11).
8. a kind of vehicle body of automobile, which is characterized in that the A column including automobile according to any one of claims 1-7
Assembly.
9. the vehicle body of automobile according to claim 8, which is characterized in that the vehicle body further include along direction from top to bottom according to
Connecting plate (6), front wall lower beam (5) and front longitudinal beam rear end connecting plate (4) after the front wheel housing of secondary connection connect after the front wheel housing
The A column assembly direction is located on the outside of plate (6), the front wall lower beam (5) and front longitudinal beam rear end connecting plate (4)
On a side surface in the automobile, after the front wheel housing after connecting plate (6), the front wall lower beam (5) and the front longitudinal beam
The front surface at end connecting plate (4) is respectively on different surfaces；And the vehicle body further includes front longitudinal beam (3), vertical before described
The rear portion of beam (3) is connected to connecting plate (6) after the front wheel housing, the front wall lower beam (5) is connected with the front longitudinal beam rear end
Plate (4).
10. a kind of automobile, which is characterized in that be provided with the vehicle body of automobile described in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461081.9U CN208411873U (en) | 2018-03-30 | 2018-03-30 | Automobile and its A column assembly and vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461081.9U CN208411873U (en) | 2018-03-30 | 2018-03-30 | Automobile and its A column assembly and vehicle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208411873U true CN208411873U (en) | 2019-01-22 |
Family
ID=65118524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461081.9U Active CN208411873U (en) | 2018-03-30 | 2018-03-30 | Automobile and its A column assembly and vehicle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208411873U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590938A (en) * | 2020-12-28 | 2021-04-02 | 湖南大学 | Automobile upper longitudinal beam made of layered filling material and using method and manufacturing method thereof |
| CN113135233A (en) * | 2021-06-03 | 2021-07-20 | 安徽江淮汽车集团股份有限公司 | Embedded automobile body rear wheel package |
| CN114954676A (en) * | 2021-12-31 | 2022-08-30 | 比亚迪股份有限公司 | Vehicle front cabin structure and vehicle |
-
2018
- 2018-03-30 CN CN201820461081.9U patent/CN208411873U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590938A (en) * | 2020-12-28 | 2021-04-02 | 湖南大学 | Automobile upper longitudinal beam made of layered filling material and using method and manufacturing method thereof |
| CN113135233A (en) * | 2021-06-03 | 2021-07-20 | 安徽江淮汽车集团股份有限公司 | Embedded automobile body rear wheel package |
| CN113135233B (en) * | 2021-06-03 | 2022-01-28 | 安徽江淮汽车集团股份有限公司 | Embedded automobile body rear wheel package |
| CN114954676A (en) * | 2021-12-31 | 2022-08-30 | 比亚迪股份有限公司 | Vehicle front cabin structure and vehicle |
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