CN203255253U

CN203255253U - Passenger vehicle side body middle supporting column structure

Info

Publication number: CN203255253U
Application number: CN 201320179268
Authority: CN
Inventors: 李仲奎; 周星亮; 常尊辉
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2013-04-11
Filing date: 2013-04-11
Publication date: 2013-10-30
Anticipated expiration: 2023-04-11

Abstract

The utility model discloses a passenger vehicle side body middle supporting column structure which comprises a side body outer plate, a side body front framework reinforcing plate and a side body middle supporting column inner plate, wherein the side body outer plate, the side body front framework reinforcing plate and the side body middle supporting column inner plate are sequentially arranged between a vehicle body top cover cross beam and a floor doorsill beam from the outer side to the inner side of a vehicle body in an embedded mode. A middle supporting column inner reinforcing plate is welded to the inner side of the side body front framework reinforcing plate in an attached mode, a gap is reserved between the top end of the middle supporting column inner reinforcing plate and the vehicle body top cover cross beam, the top end of the side body middle supporting column inner plate is connected with the vehicle body top cover cross beam, and a gap is reserved between the bottom end of the side body middle supporting column inner plate and the floor doorsill beam. Accordingly, sufficient strength and rigidity of the upper middle part of the structure are guaranteed, deformation of the top end of the middle supporting column structure in a side collision process is small as far as possible, the upper middle part integrally deviates inwards, large deformation can occur at the bottom end, thus the invasion quantity of the upper middle portion of a middle supporting column in the side collision process is reduced, and the purpose that passengers and important parts of human bodies corresponding to the positions of the passengers are protected is achieved. The structure is simple, light in weight, good in manufacturability and low in cost.

Description

Manned vehicle gusset B-C post structure

Technical field

The utility model relates to car body component, refers to particularly a kind of manned vehicle gusset B-C post structure.

Background technology

Annual ten hundreds of traffic accident causes very large loss to people's lives and properties, cause occupant's injures and deaths mostly by due to the vehicle body deformation extruding, good body drawing can greatly reduce when accident occurs and alleviate occupant's injures and deaths.Wherein, in the side collision process, the gusset B-C post structure of manned vehicle; energy absorbing side impact energy improves the vehicle body impact strength, plays the effect of protection occupant safety; therefore, the gusset B-C post structure design of manned vehicle plays the effect of key to the quality of the anti-side impact performance of vehicle.

At present, the gusset B-C post structure of manned vehicle generally adopts outside plate, inner panel, three layers of sheet metal structural of inner panel brace panel, because of the intensity of sheet metal component limited, not ideal enough to the energy-absorbing effect of side impact, and gusset B-C post structure energy-absorbing is even, to each position of human body, injure such as head, chest, belly and pelvis pinch easily; Some improved structures are also arranged, and the brace panel of intensity inequality solves the uniform drawback of energy-absorbing by set up up and down in gusset B-C post inside configuration, but still exists the side impact distortion excessive, causes the excessive problem of local intrusion amount.Therefore, how to improve manned vehicle gusset B-C post structure design, its gusset B-C post produces reasonably distortion when making vehicle generation side collision, thereby protects pointedly occupant's head, chest, belly, and pelvis etc., just becoming has technical matters to be solved.

Summary of the invention

The purpose of this utility model provides a kind of high-intensity manned vehicle gusset B-C post structure that has, gusset B-C post structure can produce reasonably distortion when vehicle generation side collision, thereby reduces targetedly the degree that is hurt of the human body significant points such as occupant's head, chest, belly, pelvis.

The technical solution adopted in the utility model is: a kind of manned vehicle gusset B-C post structure, comprise the side-wall outer-plate that is embedded in successively from inboard, vehicle body lateral between car body top cover beam and the floor sill strip, skeleton brace panel before the gusset, and gusset B-C post back veneer, before the described gusset fit and be welded with brace panel in the B-C post in the middle and upper part of skeleton brace panel inboard, leave the gap between the top of brace panel and car body top cover beam in the described B-C post, the top of described gusset B-C post back veneer is connected with car body top cover beam, leaves the gap between the bottom of described gusset B-C post back veneer and the floor sill strip.

Brace panel in the inboard middle and upper part welding of the utility model skeleton brace panel before the gusset B-C post, the top of brace panel does not connect car body top cover in this B-C post, and the bottom does not connect the floor sill strip, and brace panel is used for strengthening the middle and upper part of B-C post structure in the B-C post; In addition, the upper limb that the top of gusset B-C post back veneer is connected to the front skeleton brace panel of gusset is connected with car body top cover beam, the bottom is unsettled, keep certain distance with the floor, do not overlap with the floor sill strip, only with gusset before skeleton brace panel, side-wall outer-plate weld together, weaken wittingly the intensity of B-C post structure bottom.This version has guaranteed that there are enough intensity and bending stiffness in B-C post structure middle and upper part, so that the top distortion in the side impact process of B-C post structure is as far as possible little, middle and upper part integral body is to bias internal, allow B-C post structure bottom that larger distortion is arranged, thereby reduced the intrusion amount of manned vehicle B-C post middle and upper part in the side impact process, reached protection passenger head, the chest corresponding with its position, and the purpose of the human body significant points such as belly; And in the side impact process, the floor deformation amount is little, in the situation that correspondingly even B-C post bottom deflection is large, section intrusion amount is also less at the bottom of the B-C post, like this in the side collision process, section has larger deflection at the bottom of the B-C post structure, but absolute intrusion amount is little, therefore is unlikely to the occupant is damaged; Simultaneously, compare and strengthen before side-wall outer-plate, the gusset skeleton brace panel or these large of B-C post back veneer and have that difficulty is large, the shortcoming of heavy, brace panel has reached the weight-saving effect in this B-C post; In addition, the utility model is simple in structure, good manufacturability, and cost is low.

Further, the elongated shape of brace panel in the described B-C post which is provided with reinforced rib and strengthens heavy stand.Reinforced rib and reinforcement heavy stand all can improve the rigidity of B-C post structure, and play the economical with materials consumption, and expendable weight reduces the effect of cost.

Further, the both sides of brace panel are provided with flap in the described B-C post.The both sides flap is used for increasing the welding fitting area of the interior brace panel of B-C post and the front skeleton brace panel inboard of gusset, thereby improves integrally-built intensity.

Description of drawings

Fig. 1 is the constituent elements structural representation of gusset B-C post structure.

Fig. 2 is the side-wall outer-plate structural representation.

Fig. 3 is skeleton brace panel structural representation before the gusset.

Fig. 4 is the structural representation of brace panel in the gusset B-C post.

Fig. 5 is the local structure for amplifying scheme drawing of brace panel in the gusset B-C post.

Fig. 6 is that the connection location of skeleton brace panel concerns scheme drawing before the interior brace panel of gusset B-C post and the gusset.

Fig. 7 is skeleton brace panel before gusset back veneer and the gusset, and the connection location of side-wall outer-plate concerns scheme drawing.

Fig. 8 is the annexation scheme drawing of gusset B-C post structure and roof panel cross member.

Fig. 9 is the annexation scheme drawing on gusset B-C post structure and floor.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments, is convenient to more clearly understand the utility model, but they do not consist of restriction to the utility model.

As shown in Figure 1, the utility model comprises from inboard, vehicle body lateral sets the side-wall outer-plate 1 that is welded between car body top cover beam 5 and the floor sill strip 6 successively, skeleton brace panel 2 before the gusset, and gusset B-C post back veneer 4, skeleton brace panel 2 inboard middle and upper parts and 4 of gusset B-C post back veneers are provided with brace panel 3 in the B-C post before gusset, brace panel 3 is welded on the middle and upper part of front skeleton brace panel 2 inboards of gusset in the described B-C post, leave the gap between the top of brace panel 3 and the car body top cover beam 5 in the described B-C post, make its top not connect top cover, the bottom does not connect the floor; The top of described gusset B-C post back veneer 4 is connected with car body top cover beam 5, leaves the gap between the bottom of described gusset B-C post back veneer 4 and the floor sill strip 6, makes its bottom not connect the floor.Side-wall outer-plate 1 is overall punch forming part (as shown in Figure 2); Skeleton brace panel 2 is the annular element around front doorframe before the gusset, and it is connected together by laser assembly solder by two kinds of sheet materials that material is different, carries out punch forming again, and the centering corbeling is strengthened to some extent, has guaranteed again whole punching press respond well (as shown in Figure 3).

Such as Fig. 4, (Fig. 5 is the enlarged diagram of regional 9 inner structures among Fig. 4) shown in Figure 5, brace panel 3 is the high tensile steel plate of elongate in shape in the described B-C post, for increasing bonding area, its both sides become flap 10 toward inner bending respectively; For improving intensity, also have additional reinforced rib 7 in the B-C post on the brace panel 3 and strengthen heavy stand 8.Plate material before the moulding, rigidity is very little, and rigidity can increase much after the stretching, drawing and moulding that obtain to a certain degree, certainly can not excessively draw, and attenuate too much and extremely breaks; Reinforced rib 7 and reinforcement heavy stand 8 can strengthen intensity and the rigidity of goods in the situation that does not increase brace panel 3 thickness in the B-C post, with the economical with materials consumption, expendable weight reduces cost.

Such as Fig. 6, shown in Figure 7, brace panel 3 is welded on the inboard first half of the front skeleton brace panel 2 of gusset in the B-C post, and the top of brace panel 3 does not connect car body top cover in the B-C post, and the bottom does not connect the floor; B-C post back veneer 4 overall structures in T shape, it is welded on the epimere of gusset B-C post structure, its top and roof panel cross member 5 are welded to connect, the unsettled gap of leaving, bottom, be not connected with floor sill strip 6, gusset B-C post back veneer 4 and the front skeleton brace panel 2 of gusset, side-wall outer-plate 3 welding, gusset B-C post back veneer 4 is welded on the most inboard (as shown in Figure 8) of B-C post structure.

As shown in Figure 9, side-wall outer-plate 1 is connected the top of skeleton brace panel 2 and is connected with roof panel cross member 5 with gusset, its bottom is connected with the floor, battery is loaded in the middle part projection because of the below in the floor, seat beam adopts great-leap-forward to connect end face and the middle passage of ground edges of boards longeron and middle part, floor projection, there is higher lateral stiffness on the floor generally, and slight deformation is only arranged in the side impact process.

Through checking, in riding vehicle side impact process, the B-C post structure is subject to strong collision and extruding, because brace panel 3 in the high strength B-C post that is arranged on the front skeleton brace panel 2 inboard middle and upper parts of gusset and employing B-C post back veneer 4 are strengthened the B-C post middle and upper part, and so that the middle and upper part intrusion amount of B-C post structure is little, the intrusion amount of B-C post structural base is slightly large.And is furnished with the high floor of lateral stiffness in the car that joins with side-wall outer-plate 1 bottom; because B-C post structure middle and upper part intensity is high; the floor lateral stiffness is high; behind the side collision; B-C post structural base intrusion amount is also unlikely too large, thereby so that the whole intrusion amount of B-C post is all less than normal, therefore; the utility model intensity is high, can protect targetedly the significant points of human body and protect as much as possible occupant safety.

Claims

1. manned vehicle gusset B-C post structure, comprise the side-wall outer-plate (1) that is embedded in successively from inboard, vehicle body lateral between car body top cover beam (5) and the floor sill strip (6), skeleton brace panel (2) before the gusset, and gusset B-C post back veneer (4), it is characterized in that: before the described gusset fit and be welded with brace panel (3) in the B-C post in the inboard middle and upper part of skeleton brace panel (2), leave the gap between the top of brace panel (3) and car body top cover beam (5) in the described B-C post, the top of described gusset B-C post back veneer (4) is connected with car body top cover beam (5), leaves the gap between the bottom of described gusset B-C post back veneer (4) and the floor sill strip (6).

2. manned vehicle gusset B-C post structure according to claim 1 is characterized in that: the elongated shape of brace panel (3) in the described B-C post which is provided with reinforced rib (7) and reinforcement heavy stand (8).

3. manned vehicle gusset B-C post structure according to claim 1 and 2 is characterized in that: the both sides of brace panel (3) are provided with flap (10) in the described B-C post.