CN203544138U - Light-duty passenger car body top cover skeleton structure - Google Patents

Light-duty passenger car body top cover skeleton structure Download PDF

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Publication number
CN203544138U
CN203544138U CN201320363978.5U CN201320363978U CN203544138U CN 203544138 U CN203544138 U CN 203544138U CN 201320363978 U CN201320363978 U CN 201320363978U CN 203544138 U CN203544138 U CN 203544138U
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China
Prior art keywords
top cover
longitudinal
passenger car
car body
window
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CN201320363978.5U
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Chinese (zh)
Inventor
徐茂林
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Priority to CN201320363978.5U priority Critical patent/CN203544138U/en
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Abstract

The utility model relates to a light-duty passenger car body top cover skeleton structure and belongs to the technical field of a passenger car body. The light-duty passenger car body top cover skeleton structure comprises longitudinal beams and cross beams. The longitudinal beams and the cross beams are connected to form an integrated body; intersected parts between the longitudinal beams and the cross beams are fixedly connected by connecting members via rivets; each longitudinal beam comprises a side air window upper beam, an air duct installation longitudinal beam, an air conditioner installation longitudinal beam, a top window longitudinal beam and a connecting longitudinal beam; the side air window upper beam, the air duct installation longitudinal beam, the air conditioner installation longitudinal beam, the top window longitudinal beam and the connecting longitudinal beam are hollow and connected with a passenger car body side skeleton; and each cross beam comprises a top cover upwardly-bending cross beam and a top window cross beam. Stable stress-carrying structure is formed on the top cover skeleton structure, so strength of upper structure of the passenger car body skeleton is enhanced; and when a rollover accident happens to the passenger car, deformation of the top cover skeleton can be effectively reduced by the use of the light-duty passenger car body top cover skeleton structure, so passenger safety is guaranteed.

Description

A kind of vehicle body of light-weighted passenger vehicle roof skeleton structure
Technical field
The utility model belongs to bus body technical field, is specifically related to a kind of vehicle body of light-weighted passenger vehicle roof skeleton structure.
Background technology
Current traditional bus body is to be formed through assembly welding by six large stretch of assemblies such as front wall assembly, back wall assembly, left/right side wall assembly, top cover assembly and chassis assemblies.Body shell, from great, increases engine load, thereby increases oil consumption, minimizing capacity weight, reduces fuel economy.In conventional mounting structure, the roof panel cross member of roof skeleton is connected on top cover side bar, this top cover side bar and then be welded to along the longitudinal direction of automobile on the gusset of side wall frame on longeron.There is following shortcoming in traditional roof skeleton structure: one, in the welded structure of side wall frame and roof skeleton intersection, for areal of stress concentration, when automobile generation rollover accident, top, the especially roof skeleton of automobile is usually directly subject to the shock on ground, make whole vehicle body can produce serious distortion distortion, especially can be larger in the upper deformation of automobile, cause roof skeleton to automotive interior generation gross distortion, and therefore invade the residing inner space of passenger in compartment, thereby the life security that seriously jeopardizes occupant; Two, this tradition cap structure is a kind of rigid connection structure in essence, in automobile normal running process, because the base portion of roof skeleton is substantially in vacant state, therefore automobile top-cap skeleton can have certain elasticity amplitude because of own wt and road surface reason, and this elasticity amplitude can be delivered to the connecting portion of roof skeleton and side wall frame.Because this connecting portion is rigidly connected, can not vibrate by snubber, and side wall frame is to be connected to rigidly on floor frame or vehicle frame, therefore roof skeleton tractive compression side wall frame repeatedly, this traction force and compressive force can be converted into side wall frame violent microvibration rapidly, thereby there is violent vibration in the side window glass that makes to be arranged on side wall frame, has influence on the travelling comfort of vehicle; Three, from force structure, in order to guarantee, in automobile normal running process, roof skeleton is formed to the support that meets mechanics requirement, need to make roof panel cross member and side wall pillar in the same cross-sectional plane of automobile, form the stressed ring of sealing, so the side wall pillar of side wall frame and the roof panel cross member of roof skeleton will be in the same cross-sectional planes of automobile, thereby limited the position of side wall pillar, also the aesthetic property that has affected side window glass, is unfavorable for General design.
Utility model content
The purpose of this utility model is exactly the defect for prior art, and the vehicle body of light-weighted passenger vehicle roof skeleton structure that a kind of quality is light, welding pollutes, structural strength is stable, production efficiency is high is provided.
The technical solution adopted in the utility model is: a kind of vehicle body of light-weighted passenger vehicle roof skeleton structure, it comprises longitudinal and cross beam, between described longitudinal and cross beam, be interconnected to an entirety, the intersection of described longitudinal and cross beam adopts attaching parts to be fixedly connected with by rivet, described longeron comprises that longeron is installed in side-window upper beam, the air channel for being connected with body side wall skeleton that two ends, left and right connect, air-conditioning is installed longeron, roof window longeron and longitudinal beam connected, and described crossbeam comprises bent cross beams and roof window crossbeam on top cover.
Further, described side-window upper beam is that section is the hollow profile of arc, and described side-window upper beam inside is provided with reinforced rib.
Further, described longitudinal and cross beam is aluminium section bar.
Further, described attaching parts is L-type aluminum corner brace.
In the utility model, on top cover, between bent cross beams and body side wall column, by integral feed-through type side-window upper beam, be connected and fixed, form and seal up and down stressed ring, simultaneously, because side-window upper beam is integral feed-through type, thereby the position of side wall pillar is unrestricted, can carry out side window glass piecemeal according to vehicle modeling, be conducive to the aesthetic property of lifting vehicle.In addition, this roof skeleton has formed highly stable force structure, thereby has improved the topside intensity of body framwork, when accident is rolled in vehicle generation rollover, can effectively reduce the distortion of described roof skeleton, guarantees passenger's safety.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is longeron and crossbeam junction local structure enlarged diagram;
Fig. 3 is side-window upper beam schematic cross-section.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As shown in Figure 1, the utility model comprises longitudinal and cross beam, is interconnected to an entirety between longitudinal and cross beam, and as shown in Figure 2, the intersection of longeron and crossbeam interconnects by aluminum corner brace 8, and aluminum corner brace 8 is L-type, and longitudinal and cross beam is aluminium section bar.As shown in Figure 1, longeron comprises that longeron 2 is installed in side-window upper beam 1, the air channel for being connected with body side wall skeleton that the left and right sides connects, air-conditioning is installed longeron 3, roof window longeron 4 and longitudinal beam connected 5, and crossbeam comprises bent cross beams 6 and roof window crossbeam 7 on top cover.
As shown in Figure 3, side-window upper beam 1 is that section is the hollow profile of arc, side-window upper beam 1 inside is provided with reinforced rib 1.1, its length is identical with car body top cover length, be used for connecting bus body roof skeleton and side wall frame, not only avoid the bending distortion of the horizontal square tube of roof skeleton, also improved body top section structural strength and torsional stiffness; Meanwhile, the outside face of side-window upper beam can be directly as vehicle body outside surface, thereby reduces the width of roof outer panel, makes it to be less than the maximum rolling fabric width of domestic aluminium alloy plate, realizes integral type roof outer panel, without piecemeal welding, reduces weld seam, avoids leaking.
On roof skeleton, between bent cross beams 6 and body side wall column, by integral feed-through type side-window upper beam 1, be connected and fixed, form and seal up and down stressed ring, simultaneously, because side-window upper beam 1 is integral feed-through type, thereby the position of side wall pillar is unrestricted, can carry out side window glass piecemeal according to vehicle modeling, be conducive to the aesthetic property of lifting vehicle.In addition, this roof skeleton has formed highly stable force structure, thereby has improved the topside intensity of body framwork, when accident is rolled in vehicle generation rollover, can effectively reduce the distortion of roof skeleton, guarantees passenger's safety; In addition, in vehicle traveling process, when the elastic vibrating power of roof skeleton is delivered to the connecting portion of this roof skeleton and side wall frame, structure by side-window upper beam 1 can absorb buffering vibration effectively, thereby reduced significantly the sharply microvibration that side wall frame occurs, side window glass substantially can not be trembleed in automobile normal running process, and then improve the intensity of roof skeleton.Another feature of the technical program is that not only car body top cover skeleton is aluminium alloy extrusions, and the connection between roof skeleton is fixed by rivet by aluminum corner brace 8, thereby cancelled traditional frame welding connection mode, avoided welding to pollute, workman only needs to adopt " aluminum corner brace+rivet " can realize the assembled of whole car body top cover skeleton, simple to operate, less demanding to workman's labour skill.In addition, lightweight due to aluminium section bar, not only can alleviate workman's labour intensity, and has that lightweight, long service life, anti-inclination, torsion capacity are strong, fuel economy high.

Claims (3)

1. a vehicle body of light-weighted passenger vehicle roof skeleton structure, it comprises longitudinal and cross beam, between described longitudinal and cross beam, be interconnected to an entirety, it is characterized in that: the intersection of described longitudinal and cross beam adopts attaching parts to be fixedly connected with by rivet, described longeron comprises the side-window upper beam for being connected with body side wall skeleton that two ends, left and right connect, longeron is installed in air channel, air-conditioning is installed longeron, roof window longeron and longitudinal beam connected, described crossbeam comprises bent cross beams and roof window crossbeam on top cover, described side-window upper beam is that section is the hollow profile of arc, described side-window upper beam inside is provided with reinforced rib.
2. a kind of vehicle body of light-weighted passenger vehicle roof skeleton structure according to claim 1, is characterized in that: described longitudinal and cross beam is aluminium section bar.
3. a kind of vehicle body of light-weighted passenger vehicle roof skeleton structure according to claim 1, is characterized in that: described attaching parts is L-type aluminum corner brace.
CN201320363978.5U 2013-06-24 2013-06-24 Light-duty passenger car body top cover skeleton structure Active CN203544138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320363978.5U CN203544138U (en) 2013-06-24 2013-06-24 Light-duty passenger car body top cover skeleton structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320363978.5U CN203544138U (en) 2013-06-24 2013-06-24 Light-duty passenger car body top cover skeleton structure

Publications (1)

Publication Number Publication Date
CN203544138U true CN203544138U (en) 2014-04-16

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CN201320363978.5U Active CN203544138U (en) 2013-06-24 2013-06-24 Light-duty passenger car body top cover skeleton structure

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CN (1) CN203544138U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216874A (en) * 2015-10-12 2016-01-06 郑州宇通客车股份有限公司 A kind of pure electric coach top structure and use the pure electric coach of this top structure
CN106275090A (en) * 2015-05-13 2017-01-04 北京长城华冠汽车科技股份有限公司 Car body of aluminum alloy top cover side bar
CN108621742A (en) * 2017-03-22 2018-10-09 福特全球技术公司 Integrated roof cross beam and HVAC duct

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106275090A (en) * 2015-05-13 2017-01-04 北京长城华冠汽车科技股份有限公司 Car body of aluminum alloy top cover side bar
CN106275090B (en) * 2015-05-13 2018-11-09 北京长城华冠汽车科技股份有限公司 Car body of aluminum alloy head cover side bar
CN105216874A (en) * 2015-10-12 2016-01-06 郑州宇通客车股份有限公司 A kind of pure electric coach top structure and use the pure electric coach of this top structure
CN105216874B (en) * 2015-10-12 2018-06-26 郑州宇通客车股份有限公司 A kind of pure electric coach top structure and the pure electric coach using the top structure
CN108621742A (en) * 2017-03-22 2018-10-09 福特全球技术公司 Integrated roof cross beam and HVAC duct

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