CN202089121U - Automobile front-floor framework structure - Google Patents

Automobile front-floor framework structure Download PDF

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Publication number
CN202089121U
CN202089121U CN2011201799649U CN201120179964U CN202089121U CN 202089121 U CN202089121 U CN 202089121U CN 2011201799649 U CN2011201799649 U CN 2011201799649U CN 201120179964 U CN201120179964 U CN 201120179964U CN 202089121 U CN202089121 U CN 202089121U
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CN
China
Prior art keywords
automobile
longeron
axle
tie
vertical
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.)
Expired - Fee Related
Application number
CN2011201799649U
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Chinese (zh)
Inventor
孙开军
陈春龙
金爱君
李宏华
吴成明
丁勇
赵福全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN2011201799649U priority Critical patent/CN202089121U/en
Application granted granted Critical
Publication of CN202089121U publication Critical patent/CN202089121U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an automobile front-floor framework structure, which belongs to the technical field of manufacturing of automobiles and solves the problem of serious deformation of an automobile body due to centralized energy transfer during front collision of the automobile existing in the conventional automobile floor beam. The automobile front-floor framework structure comprises a left door frame inner plate, a right door frame inner plate, a left front longitudinal beam, a right front longitudinal beam and cross beams, wherein the two ends of the cross beams are fixedly connected to the left door frame inner plate and the right door frame inner plate; the cross beams comprise a front cross beam, an upper cross beam and a rear cross beam; one end of each of the left front longitudinal beam and the right front longitudinal beam is fixedly connected to the front cross beam; a connecting beam 1 is arranged between the front cross beam and the upper cross beam; and a connecting beam 2 is arranged between the upper cross beam and the rear cross beam. In the automobile front-floor framework structure, the connecting beams are additionally arranged among the front cross beam, the upper cross beam and the rear cross beam, and a reinforcing plate is arranged between the front longitudinal beam and the door frame inner plate, so that the strength of floor is enhanced, the transfer path of collision energy is optimized, and the collision performance of the overall automobile is improved.

Description

A kind of automobile front floor framework structure
Technical field
The utility model belongs to field of automobile, relates to a kind of body structure, particularly the automobile front floor framework structure.
Background technology
When frontal crash of vehicles, the energy of collision can cause the vehicle body gross distortion, thereby influences driver and crew's safety.For making running car safer, thus in the optimal design of automobile, must consider auto against the time transmission of energy to reduce destruction to vehicle body.
At present common automotive floor panel girder construction comprises left and right doorframe inner panel, left and right front side member and and some crossbeams, crossbeam is connected on the left and right doorframe inner panel, left and right front side member one end is connected on the front cross rail, the other end is connected with the cabin beam.The automotive floor panel beam of this structure is when frontal crash of vehicles, and the energy that collision produces is passed to a front cross rail by left and right longeron, passes to left and right doorframe inner panel again.Therefore, the floor bearer transfer of energy of this structure is more concentrated, and energy can not be transmitted and evacuate, and causes its overall insufficient rigidity, causes body distortion during collision easily.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of automobile front floor framework structure, and this structure can be disperseed the energy that frontal crash of vehicles produces to transmit, thereby reduces the destruction that collision causes vehicle body.
The purpose of this utility model can realize by following technical proposal: a kind of automobile front floor framework structure comprises left and right doorframe inner panel, left and right front side member and crossbeam; The two ends of described crossbeam are connected on the left and right doorframe inner panel, it is characterized in that, described crossbeam comprises front cross rail, entablatrance and after cross member, one end of described left and right front side member is fixed on the front cross rail, and between described front cross rail and entablatrance, be provided with tie-beam one, between described entablatrance and after cross member, be provided with tie-beam two.
Front cross rail of the present utility model, entablatrance and after cross member are connected between the left and right doorframe inner panel of automobile.One end of left and right front side member is connected in respectively on the front cross rail, and the other end is connected on the skeleton of cabin, and the energy that makes collision produce can pass to front side member from the cabin skeleton like this.The technical program is again by setting up tie-beam between crossbeam, make energy delivered be dispersed on doorframe inner panel and each crossbeam by crossbeam and tie-beam, thereby the energy that frontal crash of vehicles produces is disperseed to transmit, avoid energy concentration to cause destruction vehicle body.This structure connects into the intensity that holistic structure has strengthened floor frame by tie-beam with several crossbeams, front side member and doorframe inner panel.
In above-mentioned automobile front floor framework structure, be fixed with left brace panel between described left front longeron and the left-hand door frame inner panel; Be fixed with right brace panel between described right front longeron and the right doorframe inner panel.Brace panel is set to the be connected booster action of front side member with the doorframe inner panel, be beneficial to collision energy to body side to dredging.
In above-mentioned automobile front floor framework structure, described tie-beam one comprises and affixed last longeron of entablatrance and the vertical front-axle beam affixed with front cross rail, describedly goes up longeron and vertical front-axle beam is fixed together.The energy of head-on crash is by the longeron transmission that makes progress of vertical front-axle beam.
In above-mentioned automobile front floor framework structure, the described longeron of going up comprises upper left longeron and the upper right longeron that be arranged in parallel, described vertical front-axle beam comprises vertical front-axle beam in a left side that be arranged in parallel and right vertical front-axle beam, and described upper left longeron is connected with the vertical front-axle beam in a left side, and described upper right longeron is connected with right vertical front-axle beam.This structure forms two energy and dredges the path, indulges front-axle beam for a left side for one and dredges toward upper left longeron direction, and another is dredged toward upper right longeron direction for preceding vertical right beam.
In above-mentioned automobile front floor framework structure, be fixed with horizontal tie-beam between vertical front-axle beam in a described left side and the right vertical front-axle beam, described horizontal tie-beam is arranged on the middle part of vertical front-axle beam in a left side and right vertical front-axle beam.This is provided with vertical front-axle beam in a left side and right vertical front-axle beam is played booster action.
In above-mentioned automobile front floor framework structure, an end of described tie-beam two is connected on the entablatrance, and the middle part of described tie-beam two is connected on the after cross member.Effect is dredged in the further transmission that can measure that two pairs of tie-beams are delivered on the entablatrance.
In above-mentioned automobile front floor framework structure, described after cross member comprises left back crossbeam and right back crossbeam, and above-mentioned tie-beam two is connected between left back crossbeam and right back crossbeam and with left back crossbeam and right back crossbeam.This set is convenient to the installation of left back crossbeam, right back crossbeam and tie-beam two and is fixed.
In above-mentioned automobile front floor framework structure, described tie-beam two is the H type.The H type of being arranged to tie-beam satisfies two energy and dredges the needs in path.
Compared with prior art, automobile front floor framework structure of the present utility model has been set up tie-beam between front cross rail, entablatrance and after cross member, between front side member and doorframe inner panel, be provided with brace panel, this structure has not only strengthened the intensity on floor, and optimized the bang path of collision energy, carry and done the car load collision performance.
Description of drawings
Fig. 1 is the structural representation of automobile front floor framework structure of the present utility model.
Among the figure, 1, left-hand door frame inner panel; 2, right doorframe inner panel; 3, left front longeron; 4, right front longeron; 5, front cross rail; 6, entablatrance; 7, after cross member; 71, left back crossbeam; 72, right back crossbeam; 8, tie-beam one; 81, upper left longeron; 82, upper right longeron; 83, the vertical front-axle beam in a left side; 84, right vertical front-axle beam; 85, horizontal tie-beam; 9, tie-beam two; 101, left brace panel; 102, right brace panel.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, automobile front floor framework structure of the present utility model comprises left-hand door frame inner panel 1, right doorframe inner panel 2, left front longeron 3, right front longeron 4 and crossbeam.Crossbeam comprises front cross rail 5, entablatrance 6 and after cross member 7, is provided with tie-beam 1 between front cross rail 5 and entablatrance 6, is provided with tie-beam 29 between entablatrance 6 and after cross member 7.One end of three crossbeams is welded on left-hand door frame inner panel 1, and the other end is welded on the right doorframe inner panel 2.
Left front longeron 3 and right front longeron 4 be arranged in parallel, and the one end is vertically welded on the front cross rail 5, and the other end is connected on the skeleton of cabin.Between left front longeron 3 and left-hand door frame inner panel 1, be welded with left brace panel 101, between right front longeron 4 and right doorframe inner panel 2, be welded with right brace panel 102.Brace panel is set helps being connected between front side member and the doorframe inner panel, be beneficial to collision energy to body side to dredging.
Tie-beam 1 comprises last longeron that is welded on the entablatrance 6 and the vertical front-axle beam that is welded on the front cross rail 5.Last longeron in the utility model comprises upper left longeron 81 and the upper right longeron 82 that is welded in parallel on the entablatrance 6; Vertical front-axle beam of the present utility model comprises vertical front-axle beam 83 in a left side that is welded in parallel on the front cross rail 5 and right vertical front-axle beam 84, and the medium position place between vertical front-axle beam 83 in a left side and right vertical front-axle beam 84 is welded with horizontal tie-beam 85; Upper left longeron 81 other ends in the utility model and vertical front-axle beam 83 weld togethers in a left side, the other end of upper right longeron 82 and right vertical front-axle beam 84 weld togethers.
Tie-beam 29 is the H type, and the end of two legs of the tie-beam 29 of H type is welded on the entablatrance 6, and the middle part of tie-beam 29 is welded on the after cross member 7.After cross member 7 of the present utility model is made up of left back crossbeam 71 and right back crossbeam 72: an end of left back crossbeam 71 is welded on the left-hand door frame inner panel 1, and the other end is welded on the medium position of tie-beam 291 sides; One end of right back crossbeam 72 is welded on the right doorframe inner panel 2, and the other end is welded on the medium position of tie-beam 29 opposite sides.
When automobile generation head-on crash, the energy that produces passes to left-hand door frame inner panel 1, right doorframe inner panel 2 by cabin skeleton one tunnel, another road passes to front cross rail 5 by left front longeron 3 and right front longeron 4, and left front longeron 3 and right front longeron 4 pass to part energy left-hand door frame inner panel 1 and right doorframe inner panel 2 respectively by left brace panel 101 and right brace panel 102 again respectively simultaneously.The energy that passes to front cross rail 5 passes to entablatrance 6 by the vertical front-axle beam 83 in a left side, upper left longeron 81 and right vertical front-axle beam 84, upper right longeron 82 again.The energy that passes to entablatrance 6 passes to after cross member 7 by tie-beam 29.The energy that makes collision produce is so progressively transmitted to dredge scatter the destruction of having avoided concentration of energy that vehicle body is caused.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as left-hand door frame inner panel 1, right doorframe inner panel 2, left front longeron 3, right front longeron 4, front cross rail 5, entablatrance 6, after cross member 7, left back crossbeam 71, right back crossbeam 72, tie-beam 1, upper left longeron 81, upper right longeron 82, the vertical front-axle beam 83 in a left side, right vertical front-axle beam 84, horizontal tie-beam 85, tie-beam 29, left brace panel 101, right brace panel 102 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims (8)

1. an automobile front floor framework structure comprises left and right doorframe inner panel (1,2), left and right front side member (3,4) and crossbeam; The two ends of described crossbeam are connected on the left and right doorframe inner panel (1,2), it is characterized in that, described crossbeam comprises front cross rail (5), entablatrance (6) and after cross member (7), one end of described left and right front side member (3,4) is fixed on the front cross rail (5), between described front cross rail (5) and entablatrance (6), be provided with tie-beam one (8), between described entablatrance (6) and after cross member (7), be provided with tie-beam two (9).
2. automobile front floor framework structure according to claim 1 is characterized in that, is fixed with left brace panel (101) between described left front longeron (3) and the left-hand door frame inner panel (1); Be fixed with right brace panel (102) between described right front longeron (4) and the right doorframe inner panel (2).
3. automobile front floor framework structure according to claim 1 and 2 is characterized in that, last longeron that described tie-beam one (8) comprises and entablatrance (6) is affixed and the vertical front-axle beam affixed with front cross rail (5), and described upward longeron and vertical front-axle beam are fixed together.
4. automobile front floor framework structure according to claim 3, it is characterized in that, the described longeron of going up comprises upper left longeron (81) and the upper right longeron (82) that be arranged in parallel, described vertical front-axle beam comprises vertical front-axle beam (83) in a left side that be arranged in parallel and right vertical front-axle beam (84), described upper left longeron (81) is connected with the vertical front-axle beam (83) in a left side, and described upper right longeron (82) is connected with right vertical front-axle beam (84).
5. automobile front floor framework structure according to claim 4, it is characterized in that, a described left side is indulged between front-axle beam (83) and the right vertical front-axle beam (84) and is fixed with horizontal tie-beam (85), and described horizontal tie-beam (85) is arranged on the middle part of vertical front-axle beam (83) in a left side and right vertical front-axle beam (84).
6. automobile front floor framework structure according to claim 1 and 2 is characterized in that, an end of described tie-beam two (9) is connected on the entablatrance (6), and the middle part of described tie-beam two (9) is connected on the after cross member (7).
7. automobile front floor framework structure according to claim 6, it is characterized in that, described after cross member (7) comprises left back crossbeam (71) and right back crossbeam (72), and above-mentioned tie-beam two (9) is positioned between left back crossbeam (71) and the right back crossbeam (72) and with left back crossbeam (71) and right back crossbeam (72) and is connected.
8. automobile front floor framework structure according to claim 7 is characterized in that, described tie-beam two (9) is the H type.
CN2011201799649U 2011-05-31 2011-05-31 Automobile front-floor framework structure Expired - Fee Related CN202089121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201799649U CN202089121U (en) 2011-05-31 2011-05-31 Automobile front-floor framework structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201799649U CN202089121U (en) 2011-05-31 2011-05-31 Automobile front-floor framework structure

Publications (1)

Publication Number Publication Date
CN202089121U true CN202089121U (en) 2011-12-28

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Application Number Title Priority Date Filing Date
CN2011201799649U Expired - Fee Related CN202089121U (en) 2011-05-31 2011-05-31 Automobile front-floor framework structure

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Country Link
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249776A (en) * 2013-06-25 2014-12-31 铃木株式会社 Vehicle body beam structure
CN104554481A (en) * 2014-12-26 2015-04-29 长城汽车股份有限公司 Front floor framework for vehicle body and vehicle
CN107428376A (en) * 2015-03-17 2017-12-01 自动工程公司 For vehicle side bar and include the vehicle of such side bar
WO2018188220A1 (en) * 2017-04-10 2018-10-18 上海蔚来汽车有限公司 Vehicle body front floor assembly and electric vehicle
CN109204494A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109204566A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
US11148721B2 (en) 2017-06-30 2021-10-19 Byd Company Limited Vehicle body structure and vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249776A (en) * 2013-06-25 2014-12-31 铃木株式会社 Vehicle body beam structure
CN104554481A (en) * 2014-12-26 2015-04-29 长城汽车股份有限公司 Front floor framework for vehicle body and vehicle
CN107428376A (en) * 2015-03-17 2017-12-01 自动工程公司 For vehicle side bar and include the vehicle of such side bar
WO2018188220A1 (en) * 2017-04-10 2018-10-18 上海蔚来汽车有限公司 Vehicle body front floor assembly and electric vehicle
CN109204494A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109204566A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
US11148721B2 (en) 2017-06-30 2021-10-19 Byd Company Limited Vehicle body structure and vehicle

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111228

Termination date: 20190531

CF01 Termination of patent right due to non-payment of annual fee