CN203345037U - Automobile body frame structure - Google Patents

Automobile body frame structure Download PDF

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Publication number
CN203345037U
CN203345037U CN 201320295051 CN201320295051U CN203345037U CN 203345037 U CN203345037 U CN 203345037U CN 201320295051 CN201320295051 CN 201320295051 CN 201320295051 U CN201320295051 U CN 201320295051U CN 203345037 U CN203345037 U CN 203345037U
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China
Prior art keywords
floor
skeleton structure
middle passage
longitudinal
auto body
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CN 201320295051
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Chinese (zh)
Inventor
张涛
王玉超
岳鹏
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN 201320295051 priority Critical patent/CN203345037U/en
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Abstract

The utility model provides an automobile body frame structure which comprises a passenger compartment frame. The passenger compartment frame comprises a front wall frame body and a floorboard frame body. The front wall frame body comprises body columns A. The floorboard frame comprises a threshold beam. The bottoms of the body columns A are connected with the front end of the threshold beam. The front wall frame body is further provided with a front wall plate beam. The two ends of the front wall plate beam are connected with the body columns A. According to the embodiment of the automobile body frame structure, the front wall plate beam is arranged between the body columns A, the two ends of the front wall plate beam and the body columns A are connected for forming a complete impact force transmission channel, and therefore the accelerated speed of a body and the deformation of a passenger compartment can be reduced, and passengers are prevented from being seriously injured during collision.

Description

A kind of auto body skeleton structure
Technical field
The utility model relates to a kind of vehicle body structure, relates in particular to a kind of auto body skeleton structure that can in collision, reduce vehicle body acceleration and crew module's deflection.
Background technology
Along with the customer, to the pay attention to day by day of automotive safety and improving constantly of collision safety laws and regulations requirement, auto vendor has proposed more and more higher requirement to the safety Design of automobile.Vehicle body, as the main carrying structure of auto against, should possess the function that absorbs collision energy and Dissipative Collisions power by reasonable distortion, reaches the purpose that alleviates occupant injury.Therefore whether the body structure design is reasonable, becomes the key factor that affects automotive crash safety.In at present common body structure, vehicle body vertically is comprised of short beam and vehicle body A post etc. on energy-absorption box, forward engine room longeron, front longitudinal floor beam, floor stringer, sill strip, forward engine room.Lacking actv. between each longitudinal component in this structure laterally connects, in collision, particularly, when vehicle left side or right side bump, there are the problems such as impact force power transmission passage is discontinuous, vehicle body acceleration is too high, crew module's deflection is excessive, easily to the occupant, cause larger injury.
The utility model content
Feature and advantage of the present utility model are partly statement in the following description, or can describe obviously from this, or can learn by putting into practice the utility model.
In order to overcome the shortcoming of prior art, the utility model provides a kind of auto body skeleton structure, this auto body skeleton structure has continuous impact force power transmission passage, can effectively reduce vehicle body acceleration and crew module's deflection in collision, avoids the occupant to be subject to large injury in collision.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of auto body skeleton structure is provided, comprise crew module's skeleton, this crew module's skeleton comprises front wall frame and floor frame, this front wall frame comprises vehicle body A post, this floor frame comprises sill strip, this vehicle body A column bottom is connected with the front end of this sill strip, and this front wall frame also is provided with at least one front coaming plate crossbeam, and these front coaming plate crossbeam two ends and this vehicle body A post link together.
A kind of auto body skeleton structure as above is provided, and this crew module's skeleton front end is provided with the forward engine room longeron, and the root of this forward engine room longeron is connected with coaming plate crossbeam before this.
A kind of auto body skeleton structure as above is provided, this floor frame also be provided with middle passage, longitudinal floor beam, floor crossmember and after arrange the chair crossbeam, in this, passage is located at the midway location of floor frame, and its front end is connected with coaming plate crossbeam before this, and rear end is connected with this back seat crossbeam; This longitudinal floor beam is in this between passage and this sill strip; This floor crossmember laterally is arranged on the both sides of middle passage, and is connected with this longitudinal floor beam.
A kind of auto body skeleton structure as above is provided, and described longitudinal floor beam front end upwards bending is connected with described front coaming plate crossbeam, and this bending place is provided with longitudinal beam reinforcing plate, is connected between this longitudinal beam reinforcing plate and this longitudinal floor beam and forms closed cross-section.
A kind of auto body skeleton structure as above is provided, and this longitudinal beam reinforcing plate is provided with the groove of a plurality of longitudinal arrangements.
A kind of auto body skeleton structure as above is provided, and the junction of this floor crossmember and middle passage is provided with middle passage brace panel.
A kind of auto body skeleton structure as above is provided, and in this, the both sides of passage are provided with the floor stringer be connected as a single entity with it, and in this, the passage brace panel is connected with this floor stringer simultaneously.
A kind of auto body skeleton structure as above is provided, and the junction of this floor crossmember and this longitudinal floor beam is provided with the connection reinforcement plate.
A kind of auto body skeleton structure as above is provided, is respectively equipped with middle passage connecting panel and sill strip connecting panel between this longitudinal floor beam and middle passage and sill strip.
A kind of auto body skeleton structure as above is provided, and this vehicle body framework construction also is provided with front anti-collision beam and energy-absorption box, and this front anti-collision beam is connected with this energy-absorption box, and this energy-absorption box is arranged on the front end of this forward engine room longeron.
Compared with prior art, before the auto body skeleton structure of the utility model embodiment is provided with between vehicle body A post, coaming plate crossbeam two ends and the vehicle body A post that will be somebody's turn to do front coaming plate crossbeam link together, formed complete impact force transmission channels: when vehicle generation head-on crash, impact force is passed to front coaming plate crossbeam through the forward engine room longeron, be passed to vehicle body A post by front coaming plate crossbeam again, and by vehicle body A post to the rear vehicle transmission; When vehicle generation side collision, impact force can be passed to floor frame and front coaming plate crossbeam via sill strip and vehicle body A post, and then is passed to the vehicle body opposite side; Therefore no matter which direction of vehicle body bumps all can reduce vehicle body acceleration and crew module's deflection, realizes that the protection occupant avoids the purpose than major injury in collision.
By reading specification sheets, those of ordinary skills will understand feature and the content of these technical schemes better.
The accompanying drawing explanation
Below by the reference accompanying drawing and in conjunction with example, the utility model is described particularly, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing is only for explaining to of the present utility model, and do not form the restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the utility model embodiment body structure schematic diagram.
The schematic diagram that Fig. 2 is A-A section in Fig. 1.
Fig. 3 is impact force bang path schematic diagram when in the utility model embodiment, the automobile front is collided.
Fig. 4 is impact force bang path schematic diagram when in the utility model embodiment, automobile side is collided.
The specific embodiment
Referring to Fig. 1, is an embodiment of the utility model auto body skeleton structure.
The present embodiment auto body skeleton structure comprises forward engine room skeleton and crew module's skeleton.
This forward engine room skeleton comprises short beam 4 on front anti-collision beam 1, energy-absorption box 2, forward engine room longeron 3 and forward engine room.The root of forward engine room longeron 3 is connected with front coaming plate cross sill 7.On forward engine room, short beam 4 is positioned at the top of forward engine room longeron 3, and is connected with front windshield cross sill 5 with A post upper end 8.Front anti-collision beam 1 is located at vehicle body and is connected with energy-absorption box 2 foremost, and energy-absorption box 2 is arranged on forward engine room longeron 3 by some bolts.
This crew module's skeleton comprises front wall frame and floor frame.This front wall frame comprises vehicle body A post and front coaming plate crossbeam.Should comprise front windshield cross sill 5 and front coaming plate cross sill 7 by front coaming plate crossbeam.These front windshield cross sill 5 two ends are connected with vehicle body A post upper end 8; Front coaming plate cross sill 7 is located at the below of front windshield cross sill 5, and its two ends are connected with vehicle body A post lower end 6.This front windshield cross sill 5 and front coaming plate cross sill 7 are as the front coaming plate crossbeam of front wall frame, its two ends are connected with vehicle body A post, formed complete impact force transmission channels, when collision happens, can better play the effect of transmitting impact force, and then minimizing crew module's deflection, reach the purpose that reduces occupant injury.
This floor frame comprises sill strip, floor crossmember, middle passage 19, back seat crossbeam 21, longitudinal floor beam 22 etc.This sill strip comprises sill strip inner panel 12 and sill strip outside plate 14.Floor crossmember comprises seat front cross rail 16 and seat after cross member 18.Middle passage 19 is positioned at the midway location of body structure, vertically connects the vehicle body crew module, and its front end is connected with front coaming plate cross sill 7, and rear end is connected with back seat crossbeam 21.Two floor stringers 15 are symmetrically welded at middle passage 19 both sides, and are connected with front coaming plate cross sill 7, to add the intensity of persistent erection passage 19, bear larger impact force, prevent floor and middle passage generation gross distortion.Longitudinal floor beam 22 is located between middle passage 19 and sill strip, and its front end upwards bending is connected with the root of forward engine room longeron 3, and rear end is connected with back seat crossbeam 21.Longitudinal floor beam 22 1 sides are connected with sill strip inner panel 12 by sill strip connecting panel 10, and opposite side is connected with floor stringer 15 by middle passage connecting panel 9.Seat front cross rail 16 and seat after cross member 18 laterally are arranged on the both sides of middle passage 19, and are connected with sill strip inner panel 12.Should be provided with a plurality of middle passage brace panels by middle passage 19: middle passage brace panel 13, middle passage brace panel 17, middle passage brace panel 20 connect respectively floor, left and right stringer 15, left and right seat front cross rail 16 and left and right seat after cross member 18.The design actv. of three middle passage brace panels has connected middle passage 19 left and right sides structures, forms complete power transmission passage in side collision.
See also Fig. 2, in order further to increase the intensity of vehicle body framework construction, the present embodiment is provided with longitudinal beam reinforcing plate 11 and is connected to form closed cross-section by solder joint in the bending place of longitudinal floor beam 22.Longitudinal beam reinforcing plate 11 is provided with the groove 111 of a plurality of longitudinal arrangements, to increase its intensity.
It should be noted that, the front coaming plate crossbeam in the present embodiment is not limited to front windshield cross sill 5 and front coaming plate cross sill 7; Floor crossmember also is not limited to seat front cross rail 16, seat after cross member 18; When many longitudinal floor beams are set, the front end of longitudinal floor beam upwards bending links together with front coaming plate crossbeam, also can longitudinal beam reinforcing plate be set in this bending place.In addition, in order further to strengthen the intensity of Truck Frame Structure, the junction between each floor crossmember and longitudinal floor beam also can arrange the connection reinforcement plate.
In the present embodiment, each constituent elements in the auto body skeleton structure can be divided into longitudinal construction or transversary.Longitudinal construction comprises: short beam 4, vehicle body A post upper end 8, middle passage 19, longitudinal floor beam 22, sill strip inner panel 12, sill strip outside plate 14 on energy-absorption box 2, forward engine room longeron 3, forward engine room.Transversary comprises: front anti-collision beam 1, front windshield cross sill 5, front coaming plate cross sill 7, middle passage connecting panel 9, sill strip connecting panel 10, seat front cross rail 16, seat after cross member 18 and back seat crossbeam 21.These longitudinal constructions can make impact force vertically be transmitted along vehicle body, and transversary holds together each longitudinal construction parts, and make impact force along the vehicle body lateral transport, so positive and two kinds of sides power transmission passage have been formed in the present embodiment in the auto body skeleton structure.Impact force bang path when automobile is collided refers to Fig. 3 and Fig. 4.
Refer to Fig. 3, positive power transmission passage comprises upper and lower two-layer power transmission passage, its at the middle and upper levels the power transmission passage by short beam on forward engine room 4, vehicle body A post upper end 8, front windshield cross sill 5, formed.Lower floor's power transmission passage by front anti-collision beam 1, energy-absorption box 2, forward engine room longeron 3, front coaming plate cross sill 7, longitudinal floor beam 22, in passage connecting panel 9, sill strip connecting panel 10, sill strip inner panel 12, sill strip outside plate 14, floor stringer 15 and middle passage 19 form.Upper and lower two-layer power transmission passage connects by vehicle body A post lower end 6.When vehicle front generation head-on crash, be positioned at short beam 4 on front anti-collision beam 1, energy-absorption box 2, forward engine room longeron 3 and the forward engine room of vehicle front and, by crumple or bending distortion absorption portion collision energy, reach the purpose that reduces speed of a motor vehicle acceleration/accel.Now, a part of impact force is along upper strata power transmission passage, and on forward engine room, short beam 4 is passed to vehicle body A post upper end 8 and front windshield cross sill 5; Part impact force is along lower floor's power transmission passage, be passed to forward engine room longeron 3 by front anti-collision beam 1 through energy-absorption box 2, be passed to front coaming plate cross sill 7 through forward engine room longeron 3, be passed to vehicle body A post by front coaming plate cross sill 7 again, form many positive power transmission passages in the crew module zone, impact force is transmitted backward along sill strip, longitudinal floor beam 22 and floor stringer 15 respectively.
Refer to Fig. 4, crew module's side power transmission passage also has many.When vehicle generation side collision, at first impact force is transmitted along sill strip and A post lower end 6, then is passed to the vehicle body opposite side through 6 power transmission passages such as front windshield cross sill 5, front coaming plate cross sill 7, middle passage connecting panel 9 and sill strip connecting panel 10, seat front cross rail 16, seat after cross member 18, back seat crossbeams 21 respectively.
Above-mentioned many positive power transmission passages and side power transmission passage interconnect, and have formed a mesh skeleton structure, form complete power transmission passage.In Front and side crash, each power transmission passage is logical by the impact force reasonable distribution, simultaneously, be provided with the reinforcement structure in the junction of each crossbeam and longeron, guaranteed that the crew module has enough Rigidity and strengths, effectively reduce vehicle body acceleration and crew module's deflection, finally reach the purpose that reduces occupant injury.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not break away from scope of the present utility model and essence, can have multiple flexible program to realize the utility model.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the utility model, not thereby limit to interest field of the present utility model, the equivalence that all utilization the utility model specification sheetss and accompanying drawing content are done changes, within all being contained in interest field of the present utility model.

Claims (10)

1. an auto body skeleton structure, comprise crew module's skeleton, described crew module's skeleton comprises front wall frame and floor frame, described front wall frame comprises vehicle body A post, described floor frame comprises sill strip, and described vehicle body A column bottom is connected with the front end of described sill strip, it is characterized in that, described front wall frame also is provided with front coaming plate crossbeam, and described front coaming plate crossbeam two ends and described vehicle body A post link together.
2. auto body skeleton structure as claimed in claim 1, is characterized in that, described crew module's skeleton front end is provided with the forward engine room longeron, and the root of described forward engine room longeron is connected with described front coaming plate crossbeam.
3. auto body skeleton structure as claimed in claim 1, it is characterized in that, described floor frame also be provided with middle passage, longitudinal floor beam, floor crossmember and after arrange the chair crossbeam, described middle passage is located at the midway location of floor frame, its front end is connected with described front coaming plate crossbeam, and rear end is connected with described back seat crossbeam; Described longitudinal floor beam is between described middle passage and described sill strip; Described floor crossmember laterally is arranged on the both sides of middle passage, and is connected with described longitudinal floor beam.
4. auto body skeleton structure as claimed in claim 3, it is characterized in that, described longitudinal floor beam front end upwards bending is connected with described front coaming plate crossbeam, and described bending place is provided with longitudinal beam reinforcing plate, and described longitudinal beam reinforcing plate is connected with described longitudinal floor beam and forms closed cross-section.
5. auto body skeleton structure as claimed in claim 4, is characterized in that, described longitudinal beam reinforcing plate is provided with the groove of a plurality of longitudinal arrangements.
6. auto body skeleton structure as claimed in claim 3, is characterized in that, the junction of described floor crossmember and middle passage is provided with middle passage brace panel.
7. auto body skeleton structure as claimed in claim 6, is characterized in that, the both sides of described middle passage are provided with the floor stringer be connected as a single entity with it, and described middle passage brace panel is connected with described floor stringer simultaneously.
8. auto body skeleton structure as claimed in claim 3, is characterized in that, the junction of described floor crossmember and described longitudinal floor beam is provided with the connection reinforcement plate.
9. auto body skeleton structure as described as claim 3 to 8 any one, is characterized in that, between described longitudinal floor beam and described middle passage and be respectively equipped with middle passage connecting panel and sill strip connecting panel between described sill strip.
10. auto body skeleton structure as claimed in claim 2, it is characterized in that, described auto body skeleton structure also is provided with front anti-collision beam and energy-absorption box, and described front anti-collision beam is connected with described energy-absorption box, and described energy-absorption box is arranged on the front end of described forward engine room longeron.
CN 201320295051 2013-05-27 2013-05-27 Automobile body frame structure Active CN203345037U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108001541A (en) * 2017-03-31 2018-05-08 长城汽车股份有限公司 Vehicle body and vehicle
CN108146375A (en) * 2017-12-28 2018-06-12 吉利汽车研究院(宁波)有限公司 Front of the car endergonic structure and automobile
CN106314548B (en) * 2015-06-17 2018-07-27 上汽通用五菱汽车股份有限公司 A kind of double transom channel structures of front vehicle body
CN109204465A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109204493A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN110435774A (en) * 2019-07-25 2019-11-12 中国第一汽车股份有限公司 A kind of front floor of electric vehicle structure
CN112622795A (en) * 2020-12-28 2021-04-09 湖南大学 Head-on collision resistant vehicle structure and manufacturing method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106314548B (en) * 2015-06-17 2018-07-27 上汽通用五菱汽车股份有限公司 A kind of double transom channel structures of front vehicle body
CN108001541A (en) * 2017-03-31 2018-05-08 长城汽车股份有限公司 Vehicle body and vehicle
CN109204465A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109204493A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109204465B (en) * 2017-06-30 2021-06-18 比亚迪股份有限公司 Vehicle body structure and vehicle
CN109204493B (en) * 2017-06-30 2021-12-07 比亚迪股份有限公司 Vehicle body structure and vehicle
CN108146375A (en) * 2017-12-28 2018-06-12 吉利汽车研究院(宁波)有限公司 Front of the car endergonic structure and automobile
CN108146375B (en) * 2017-12-28 2020-04-21 吉利汽车研究院(宁波)有限公司 Front automobile body energy-absorbing structure and automobile
CN110435774A (en) * 2019-07-25 2019-11-12 中国第一汽车股份有限公司 A kind of front floor of electric vehicle structure
CN110435774B (en) * 2019-07-25 2021-04-09 中国第一汽车股份有限公司 Electric automobile front floor structure
CN112622795A (en) * 2020-12-28 2021-04-09 湖南大学 Head-on collision resistant vehicle structure and manufacturing method

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