CN103407499A - Floor reinforcing device applied to inside of vehicle and vehicle body structure - Google Patents

Floor reinforcing device applied to inside of vehicle and vehicle body structure Download PDF

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Publication number
CN103407499A
CN103407499A CN201310383882XA CN201310383882A CN103407499A CN 103407499 A CN103407499 A CN 103407499A CN 201310383882X A CN201310383882X A CN 201310383882XA CN 201310383882 A CN201310383882 A CN 201310383882A CN 103407499 A CN103407499 A CN 103407499A
Authority
CN
China
Prior art keywords
rib
vehicle
floor
longeron
crossbeam
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.)
Pending
Application number
CN201310383882XA
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Chinese (zh)
Inventor
赵倩
高保才
陈现岭
张凯
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.)
Great Wall Motor Co Ltd
Original Assignee
Great Wall Motor 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 Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN201310383882XA priority Critical patent/CN103407499A/en
Publication of CN103407499A publication Critical patent/CN103407499A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a floor reinforcing device applied to the inside of a vehicle. The floor reinforcing device applied to the inside of the vehicle is characterized by comprising a first reinforcing portion, a second reinforcing portion and a connecting portion, wherein the first reinforcing portion and a second reinforcing portion are arranged above a floor inside the vehicle in the width direction of a vehicle body; the connecting portion is connected between the first reinforcing portion and the second reinforcing portion and arranged below the floor inside the vehicle. The invention meanwhile relates to a vehicle body structure comprising the floor reinforcing device. By means of the technical scheme of the floor reinforcing device applied to the inside of a vehicle and the vehicle body structure comprising the same, the floor strength of the vehicles can be improved, meanwhile, collision force during side collisions of vehicles can be absorbed and buffered effectively, and the safety performance of the vehicles can be improved.

Description

Be applied to floor stiffening device and the body structure of vehicle interior
Technical field
The present invention relates to a kind of structure member be applied on vehicle, relate in particular to a kind of floor stiffening device that is applied to vehicle interior, simultaneously, the invention still further relates to a kind of body structure with this floor stiffening device.
Background technology
In the main frame structure of existing vehicle body, the chassis runner be connected with roof cross beam that comprises the roof cross beam that is positioned at the vehicle body top more and be positioned at vehicle body side, roof cross beam and chassis runner be as the supporting construction of vehicle body main body, and the panel beating of roof and vehicle body side is supported; In the inside of vehicle body main body, be formed with the space that seat is held, existing seat is when being arranged on the vehicle body body interior, mainly contain following form: the first is provided with floor crossmember on vehicle floor, lower margin before seat is arranged on floor crossmember, rear lower margin directly is arranged on floor, this structure can not the whole intensity that increases body platform, and the residing floor of rear lower margin easily is out of shape; It two is lower margin mounting brackets arrange four on floor before and after, and this layout can not strengthen the intensity on floor equally; It three is that the front and back lower margin of seat is arranged on two floor crossmembers, this layout is for the vehicle of single row of seats chair vehicle and floor space deficiency, its layout is convenient not, and for the vehicle of many rows seat, the crossbeam at rear lower margin place can affect rear row occupant's travelling comfort.In addition, when the vehicular sideview collision occurs, vehicle body side is the weaker part of intensity in complete vehicle structure, vehicle side impact and the axletree that causes rolling accident rate and mortality are the highest, because the intensity on floor is lower, and seat arranges on floor form, when the vehicle side impact, vehicle floor can not well absorb impact force, cause the vehicle floor distortion, even can make the floor fracture at chair mounted place, affect passenger's Ride safety, in addition, when vehicle rollover, easily cause the vehicle body main body frame to be made the vehicle body bulk deformation by conquassation, can indirectly cause the injury to the occupant equally.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind ofly when improving vehicle floor intensity, the impact force that the vehicle side impact produces is carried out to the better floor stiffening device that is applied to vehicle interior of buffering.
For achieving the above object, the floor stiffening device that is applied to vehicle interior of the present invention, it has:
The first rib and the second rib, be arranged on the top, floor of vehicle interior along the Width of car body;
Connecting portion, be connected between the first rib and the second rib and be arranged on below the floor of vehicle interior.
By the as above setting of structure, when strengthening floor intensity, the impact force that makes the vehicle side impact occur to produce can be transmitted along the first rib, the second rib and connecting portion, and then impact force is dispersed on the Width of car body, the stress that prevents impact force is concentrated and is made the vehicle floor even generation of phenomenon of rupture that deforms; In addition, because the first rib and the second rib are positioned at the top, floor, and connecting portion is in the below, floor, such structure setting, make the first rib and any one of the second rib when side impact, impact force can change the bang path of power in transmittance process, simultaneously, between connecting portion and floor, can form a crumple cavity, make impact force when being delivered to connecting portion, can in this crumple cavity, well be absorbed, make impact force obtain the actv. buffering, and then the safety that has improved vehicle.
As the restriction to aforesaid way, described the first rib and the second rib be have same structure, by two along the longeron of vehicle lengthwise direction setting and along the H shape vehicle-width direction setting and that crossbeam that be connected two longerons forms, on two longerons of the first rib and the second rib, be respectively equipped with the installation portion of installing with seat; The crossbeam of described connecting portion and the first rib and the second rib is positioned on same vehicle body vertical section.The first rib and the second rib are arranged to H shape, and set up installation portion, seat can be arranged on the first rib and the second rib, be convenient to the layout of seat in car.
As improvement of the present invention, the inner all hollow settings of described crossbeam, longeron and connecting portion.Adopt this structure setting, by the hollow structure of each several part, realized that impact force, in transmittance process, is well absorbed, further improved whole safety performance.
As improvement of the present invention, be equipped with reinforced rib on crossbeam, longeron and connecting portion.By the setting of reinforced rib, actv. has strengthened the intensity of each several part.
In addition, the present invention provides a kind of body structure simultaneously, it comprises the roof cross beam that is positioned at the vehicle body top, be positioned at the chassis runner be connected with roof cross beam of vehicle body side, and the floor stiffening device that is applied to vehicle interior as above, described the first rib, connecting portion, the second rib, roof cross beam and chassis runner are positioned on same vehicle body vertical section.Adopt this structure, make the first rib, connecting portion, the second rib, roof cross beam and chassis runner on the vehicle body vertical section, form the cyclic structure of a closure, the enormous impact power produced when actv. relaxes collision, crew module's rigidity while increasing vehicle rollover, improved the safety in operator's compartment.
In sum, adopt technical scheme of the present invention, when improving vehicle floor intensity, actv. absorbs, cushions the impact force in vehicle side impact process, has improved the safety performance of vehicle.
The accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the present invention is done further to describe in detail:
Fig. 1 is the integral structure schematic diagram of the embodiment of the present invention one;
Fig. 2 is the integral structure schematic diagram of the embodiment of the present invention two.
In figure: 1, the first rib; 11, the first longeron; 12, the second longeron; 2, the second rib; 21, the 3rd longeron; 22, the 4th longeron; 3, first crossbeam; 4, second cross beam; 5, be communicated with crossbeam; 6, linkage section; 7, installation portion; 8, waling; 9, cross reinforcing; 10, chassis runner; 13, roof cross beam.
The specific embodiment
Embodiment mono-
The present embodiment relates to a kind of floor stiffening device that is applied to vehicle interior, comprises the first rib 1 and the second rib 2 that along the Width of car body, are arranged on the top, floor of vehicle interior; Be connected between the first rib 1 and the second rib 2 and be arranged on the connecting portion of the floor below of vehicle interior.
In the present embodiment, in order to coordinate the installation of automotive seat, the second rib 2 and the first rib 1 have same structure, two longerons, consist of with a crossbeam that is connected two longerons respectively.For convenience of description, as shown in Figure 1, the first rib 1 comprises the first longeron 11 along the vehicle lengthwise direction setting, the second longeron 12 and along the vehicle-width direction setting and first crossbeam 3 that connect the first longeron 11, the second longeron 12, the three forms H shape.In like manner, the second rib 2 is by the 3rd longeron 21 along the vehicle lengthwise direction setting, the 4th longeron 22 and along the vehicle-width direction setting and second cross beam 4 that connect the 3rd longeron 21, the 4th longeron 22.
The first longeron 11, the second longeron 12, the 3rd longeron 21, the inner all hollow settings of the 4th longeron 22, and be equipped with reinforced rib on each longeron, as shown in Figure 1, the reinforced rib on each longeron comprises along the cross reinforcing 9 of vehicle-body width direction setting and the waling 8 that intersects vertically and arrange with cross reinforcing 9.
In addition, on the first longeron 11, the second longeron 12, the 3rd longeron 21, the 4th longeron 22, be respectively equipped with and with not shown seat lower margin, be connected to realize the installation portion 7 that seat is installed, installation portion 7 can be the parts such as mounting hole or mounting groove, there is certain alerting ability the position of installation portion 7, can arrange according to the position of seat lower margin.
In the middle part of the first longeron 11 and the second longeron 12, be fixedly connected by welding, first crossbeam 3 inner hollow that arrange along vehicle-width direction, be provided with some cross reinforcings along vehicle-width direction 9 on first crossbeam 3 surfaces.Same, on second cross beam 4, also be provided with cross reinforcing 9.
Between the second longeron 12 and the 4th longeron 22, be connected with the connecting portion be positioned at below floor.The main body of the connecting portion in the present embodiment is for being communicated with crossbeam 5, and it is tabular and inner hollow setting.The two ends that are communicated with crossbeam 5 linkage section 6 by the certain angle that is inclined upwardly and the second longeron 12 and the 4th longeron 22 respectively are connected.The upper surface that is communicated with crossbeam 5 can arrange with the lower surface laminating on not shown floor, also can and the floor lower surface between certain interval is arranged, and then can realize being communicated with the cavity size adjustment setting that crossbeam 5 and floor form.
When automobile is subject to side collision, suppose to be clashed into from the part of as shown in Figure 1 left side the first rib 1.At first the first longeron 11 is impacted, relax and transmit a part of impulsive force, collision energy transmits along the width over sides of car body direction, then power is that first crossbeam 3 is passed to the second longeron 12 by middle power transmission passage, via the connection crossbeam 5 of the middle section as side collision power transmission passage, be passed to again second rib 2 on right side, the transmission of exerting all one's strength is communicated with uninterrupted, effectively energy-absorbing.In addition, when collision energy, reaching while being communicated with crossbeam 5, due to the axis that is communicated with crossbeam 5 axis and first crossbeam 3 and second cross beam 4 not point-blank, impact force reaches now can produce downward component, thus damp impacts power is to the impact on floor; And connection crossbeam 5 is arranged in the below, floor; with floor, form an effectively cavity of energy-absorbing; when the impact force energy excessive; when connection crossbeam 5 can't bear and transmit; floor fracture, to lower recess, forms crumple section, thus damp impacts energy again; and to upper process, personnel are caused damage while having avoided floor destroyed, protection crew module's safety.
Embodiment bis-
The present embodiment relates to a kind of body structure, comprise the roof cross beam 13 that is positioned at the vehicle body top, be positioned at two chassis runneies 10 that are connected with roof cross beam 13 of vehicle body side, on vehicle interior floor, be provided with the floor stiffening device that is applied to vehicle interior as described as embodiment mono-.
As shown in Figure 2, in the present embodiment, described the first rib 1, connecting portion, the second rib 2, roof cross beam 13 and chassis runner 10 are positioned on same vehicle body vertical section, specifically, first crossbeam 3, be communicated with crossbeam 5, second cross beam 4 and with the closed hoop structure of two chassis runneies 10 that are connected with the 3rd longeron 21 with the first longeron 11 respectively and roof cross beam 13 formations, the first longeron 11 and the 3rd longeron 21 can be directly to be connected with the connection mode of chassis runner 10, or are connected by sill strip and chassis runner 10.
When car body is subject to side collision force and causes rolling, suppose that power born by the direction of as shown in Figure 1 left side the first rib 1, impact force is transmitted along the width over sides of car body direction, at first the first longeron 11 is impacted, then power reaches the second longeron 12 by the first longeron 11 via first crossbeam 3, via being communicated with crossbeam 5, reach the second rib 2 again, finally via the 3rd longeron 21, reach chassis runner 10 and roof cross beam 13.When car body rolled, load part was mainly by first crossbeam 3, the closed hoop structure that is communicated with crossbeam 5, second cross beam 4 and forms by two chassis runneies 10 being connected with the 3rd longeron 21 with both sides the first longeron 11 and roof cross beam 13.Described load part is in same vehicle body vertical section, and the design of internal cavity structures crew module's while farthest having guaranteed the car body rolling space, guaranteed the safety of operator's compartment.。

Claims (6)

1. floor stiffening device that is applied to vehicle interior is characterized in that it has:
The first rib and the second rib, be arranged on the top, floor of vehicle interior along the Width of car body;
Connecting portion, be connected between the first rib and the second rib and be arranged on below the floor of vehicle interior.
2. the floor stiffening device that is applied to vehicle interior according to claim 1, it is characterized in that: described the first rib and the second rib be have same structure, by two along the longeron of vehicle lengthwise direction setting and along the H shape vehicle-width direction setting and that crossbeam that be connected two longerons forms, on two longerons of the first rib and the second rib, be respectively equipped with the installation portion of installing with seat; The crossbeam of described connecting portion and the first rib and the second rib is positioned on same vehicle body vertical section.
3. the floor stiffening device that is applied to vehicle interior according to claim 2, is characterized in that: the inner all hollow settings of described crossbeam, longeron and connecting portion.
4. the floor stiffening device that is applied to vehicle interior according to claim 2, is characterized in that: be equipped with reinforced rib on crossbeam, longeron and connecting portion.
5. body structure, comprise the roof cross beam that is positioned at the vehicle body top, be positioned at two chassis runneies that are connected with roof cross beam of vehicle body side, it is characterized in that: on vehicle interior floor, be provided with the floor stiffening device that is applied to vehicle interior as described as any one in claim 1 to 4.
6. body structure according to claim 5, it is characterized in that: described the first rib, connecting portion, the second rib, roof cross beam and chassis runner are positioned on same vehicle body vertical section.
CN201310383882XA 2013-08-29 2013-08-29 Floor reinforcing device applied to inside of vehicle and vehicle body structure Pending CN103407499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310383882XA CN103407499A (en) 2013-08-29 2013-08-29 Floor reinforcing device applied to inside of vehicle and vehicle body structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310383882XA CN103407499A (en) 2013-08-29 2013-08-29 Floor reinforcing device applied to inside of vehicle and vehicle body structure

Publications (1)

Publication Number Publication Date
CN103407499A true CN103407499A (en) 2013-11-27

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CN201310383882XA Pending CN103407499A (en) 2013-08-29 2013-08-29 Floor reinforcing device applied to inside of vehicle and vehicle body structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323536A (en) * 2016-04-28 2017-11-07 长城汽车股份有限公司 Floor frame structure and vehicle body and vehicle after vehicle
CN107323537A (en) * 2016-04-28 2017-11-07 长城汽车股份有限公司 Floor frame structure and vehicle body and vehicle after vehicle
CN109204572A (en) * 2017-07-06 2019-01-15 马自达汽车株式会社 The lower part body Structure of automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847072A (en) * 2005-04-15 2006-10-18 本田技研工业株式会社 Floor structure of vehicle body
US20060232105A1 (en) * 2005-04-15 2006-10-19 Honda Motor Co., Ltd. Floor structure of vehicle body
CN102431595A (en) * 2010-08-24 2012-05-02 通用汽车环球科技运作有限责任公司 Body structure of a motor vehicle, motor vehicle and method of manufacturing a body structure
CN102574552A (en) * 2009-11-05 2012-07-11 本田技研工业株式会社 Vehicle body structure
CN102862612A (en) * 2012-09-25 2013-01-09 浙江吉利汽车研究院有限公司杭州分公司 Automobile front floor assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847072A (en) * 2005-04-15 2006-10-18 本田技研工业株式会社 Floor structure of vehicle body
US20060232105A1 (en) * 2005-04-15 2006-10-19 Honda Motor Co., Ltd. Floor structure of vehicle body
CN102574552A (en) * 2009-11-05 2012-07-11 本田技研工业株式会社 Vehicle body structure
CN102431595A (en) * 2010-08-24 2012-05-02 通用汽车环球科技运作有限责任公司 Body structure of a motor vehicle, motor vehicle and method of manufacturing a body structure
CN102862612A (en) * 2012-09-25 2013-01-09 浙江吉利汽车研究院有限公司杭州分公司 Automobile front floor assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323536A (en) * 2016-04-28 2017-11-07 长城汽车股份有限公司 Floor frame structure and vehicle body and vehicle after vehicle
CN107323537A (en) * 2016-04-28 2017-11-07 长城汽车股份有限公司 Floor frame structure and vehicle body and vehicle after vehicle
CN109204572A (en) * 2017-07-06 2019-01-15 马自达汽车株式会社 The lower part body Structure of automobile
CN109204572B (en) * 2017-07-06 2021-07-13 马自达汽车株式会社 Lower body structure of automobile

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Application publication date: 20131127

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