CN206255076U - Automobile A column assembly and automobile - Google Patents

Abstract

The utility model discloses an automobile A-pillar assembly, which comprises an A-pillar reinforcement plate and a side wall outer panel arranged outside the A-pillar reinforcement plate; the A-pillar reinforcement plate includes a first groove portion and a The first connecting portion on the periphery of the opening of the groove; taking the front and rear direction of the vehicle as a reference, the front side and the lower side of the side panel are overlapped on the first groove portion. The utility model overlaps the front side and the lower side of the side wall outer panel on the first groove part of the A-pillar reinforcement plate, so that the front side and the lower side of the side wall outer panel are no longer connected with the A-pillar reinforcement plate. The overlapping of the outer peripheral edges reduces the flanging of the front and lower parts of the side outer panels, reduces the difficulty of stamping the side outer panels, and increases the material utilization rate of the side panel from 41% to 43%. It weighs 0.55KG and has great social and economic benefits. In addition, the utility model also discloses an automobile using the above-mentioned automobile A-pillar assembly.

Description

Automobile A-pillar assembly and automobile

technical field

The utility model relates to the technical field of vehicles, in particular to an automobile A-pillar assembly and an automobile.

Background technique

With the rapid development of the automobile industry and technology, the energy is increasingly depleted. On the premise of ensuring the strength and safety performance of the automobile, it is necessary to reduce the curb weight of the automobile as much as possible, so as to improve the power of the automobile, reduce fuel consumption, and reduce exhaust emissions. pollute. At present, due to the needs of environmental protection and energy saving, automobile lightweight has become the trend of the world's automobile development.

The A-pillar assembly of an automobile generally includes a side wall outer panel, an A-pillar reinforcement panel and an A-pillar inner panel, and the A-pillar reinforcement panel is arranged between the side wall outer panel and the A-pillar inner panel. In order to meet the sealing and waterproof requirements of the A-pillar assembly, the side wall outer panel is usually stamped into an outer panel structure that matches the shape of the A-pillar reinforcement plate by stamping, that is, the side wall outer panel is stamped into a flanged outer panel. Stamping structure, so that the outer peripheral edge of the side wall outer panel and the outer peripheral edge of the A-pillar reinforcement plate are sealed and overlapped, so as to realize the overlap between the side wall outer panel and the A-pillar reinforcement plate. In fact, the coincident design of the shape of the side wall outer panel and the A-pillar reinforcement plate will reduce the material utilization of the side wall outer panel, greatly increase the weight of the vehicle body, and stamping is difficult; Due to the existence of some installation parts, there is often a situation where the seal between the side wall outer panel and the A-pillar reinforcement panel is not tight.

Utility model content

The purpose of the utility model is to provide an automobile A-pillar assembly which improves the material utilization rate of the side wall outer panel and reduces the weight of the vehicle body under the premise of meeting the sealing and waterproof requirements. In addition, an automobile to which the automobile A-pillar assembly is applied is also provided.

In order to achieve the above purpose, the utility model provides an automobile A-pillar assembly, which includes an A-pillar reinforcement plate and a side wall outer panel arranged outside the A-pillar reinforcement plate; the A-pillar reinforcement plate includes a first concave The groove portion and the first connecting portion fixed on the periphery of the opening of the first groove portion; taking the front and rear direction of the vehicle as a reference, the front side and the lower side of the side wall outer panel overlap the first groove portion superior.

In the above-mentioned automobile A-pillar assembly, the first groove portion includes a bottom plate portion and a side plate portion connected to the bottom plate portion, and the side plate portion is connected to the first connecting portion; the side wall An arc-shaped transition portion is provided between the front side and the lower side of the outer plate, and the arc-shaped transition portion overlaps the bottom plate portion of the first groove portion.

In the above-mentioned A-pillar assembly of the automobile, the front side of the side panel is partially provided with a flanging, and the flanging overlaps the side plate portion.

In the above automobile A-pillar assembly, the front side of the side wall outer panel is attached to the bottom plate, and the joint between the front side of the side wall outer panel and the bottom plate is painted with a first dot The sealant is welded and connected by spot welding; a first white glue layer is provided between the front side edge of the side wall outer panel and the first groove part.

In the above-mentioned A-pillar assembly of the automobile, the upper side of the side wall outer panel is provided with a transition outer panel matched with the front wheel fender.

In the above automobile A-pillar assembly, a cavity is provided between the transition outer panel and the first groove portion, and an expansion rubber layer is provided in the cavity.

In the above-mentioned automobile A-pillar assembly, it also includes an A-pillar inner panel, and the A-pillar inner panel includes a second groove part and a second connecting part fixed on the periphery of the opening of the second groove part; The first connection portion of the pillar reinforcement plate is overlapped with the second connection portion of the A-pillar inner panel, so that a closed cavity structure is formed between the A-pillar reinforcement plate and the A-pillar inner panel.

In the above-mentioned automobile A-pillar assembly, the second spot welding sealant is coated between the first connecting part and the second connecting part and connected by spot welding, and the first connecting part and the second connecting part There is also a second white glue layer between the parts.

The utility model also provides an automobile, which includes the automobile A-pillar assembly described in any one of the above contents.

Carry out the automobile A-pillar assembly of the present utility model and automobile, have following advantage with respect to prior art:

The utility model overlaps the front side and the lower side of the side wall outer panel on the first groove part of the A-pillar reinforcement plate, so that the front side and the lower side of the side wall outer panel are no longer connected with the A-pillar reinforcement plate. The overlapping of the outer peripheral edges reduces the flanging of the front and lower parts of the side outer panels, reduces the difficulty of stamping the side outer panels, and increases the material utilization rate of the side panel from 41% to 43%. It weighs 0.55KG. In today's lightweight body, the weight reduction effect of this structure has great social and economic benefits; and the overlapping structure of the side wall outer panel and the A-pillar reinforcement plate makes the side wall outer panel avoid the A Some mounting parts on the front and lower edges of the pillar reinforcement, especially at the bottom corners of the front and lower sides, ensure a good seal between the side wall outer panel and the A-pillar reinforcement.

Description of drawings

Fig. 1 is the structural representation of automobile A pillar assembly of the present utility model;

Fig. 2 is the sectional view of A-A direction in Fig. 1;

Fig. 3 is a partial cross-sectional view of B-B direction in Fig. 1;

Among them, 1. A-pillar reinforcement plate; 11. First groove part; 111. Floor part; 112. Side plate part; 12. First connecting part; 2. Side wall outer panel; 21. Arc transition part; 22 , flanging; 3, A-pillar inner panel; 31, the second groove part; 32, the second connection part; 4, the first spot welding sealant; 5, the first white glue layer; 6, the second spot welding seal 7. Second white glue layer; 8. Transition outer panel; 9. Expansion glue layer.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Fig. 1 and Fig. 2, the preferred embodiment of the present utility model is an automobile A-pillar assembly, which includes an A-pillar reinforcement plate 1 and a side wall outer panel 2 arranged on the outside of the A-pillar reinforcement plate 1; the A-pillar The reinforcing plate 1 includes a first groove portion 11 and a first connecting portion 12 fixed on the periphery of the opening of the first groove portion 11; taking the front and rear direction of the automobile as a reference, the front side and the lower side of the side wall outer panel 2 are overlapped on the on the first groove part 11. For ease of understanding, in the coordinates shown in Fig. 1, the X-axis represents the front and rear direction of the automobile of the present embodiment, the Z-axis represents the height direction of the automobile of the present embodiment (that is, the up-down direction), and the Y-axis represents the left-right direction of the vehicle body. In this embodiment, both the front side and the lower side of the side wall outer panel 2 are overlapped on the first groove portion 11 of the A-pillar reinforcement panel 1, so that the front side and the lower side of the side wall outer panel 2 are no longer in contact with the A-pillar. The outer peripheral edges of the column reinforcement plate 1 are overlapped, reducing the flanging 21 of the front and lower parts of the side wall outer plate 2, reducing the difficulty of punching the side wall outer plate 2, and realizing the material utilization rate of the side wall outer plate 2 from 41% Increased to 43%, the weight of side wall outer panel 2 is reduced by 0.55KG. In today's lightweight body, the weight reduction effect of this structure has significant social and economic benefits; The overlapping structure makes the side wall outer panel 2 avoid some installation parts on the front and lower edges of the A-pillar reinforcement plate 1, especially the installation parts at the bottom corners of the front side and the lower side, ensuring that the side wall outer panel 2 Good sealing with A-pillar reinforcement plate 1.

In this embodiment, the first groove portion 11 includes a bottom plate portion 111 and a side plate portion 112 connected to the bottom plate portion 111, and the side plate portion 112 is connected to the first connecting portion 12; An arc-shaped transition portion 21 is provided between the sides, and the arc-shaped transition portion 21 overlaps the bottom plate portion 111 of the first groove portion 11 . In this way, the structure design does not need to consider the problem of poor electrophoresis effect caused by the small gap between the parts and the electromagnetic shielding of the front side, the bottom side and the bottom corner of the A-pillar assembly of the car, which reduces the rust of the later sheet metal parts. risks of.

In this embodiment, a flange 22 is partially provided on the front side of the side wall outer panel 2 , and the flange 22 overlaps the side plate portion 112 . During specific implementation, a flange 22 may be provided at the middle section of the front side of the side wall outer panel 2, so that the flange 22 overlaps the side plate portion 112, and the upper and lower sections of the front side of the side wall outer panel 2 overlap the bottom plate portion. 111, this can further reduce the weight and at the same time enhance the local rigidity of the side wall outer panel 2, and there will be no problem of wrinkling and overlapping when forming this segment of flange 22 by stamping, so the side wall will not be increased Difficulty of punching and forming the outer panel 2.

In this embodiment, the front side of the side wall outer panel 2 is bonded to the bottom plate portion 111, and the joint between the front side of the side wall outer panel 2 and the bottom plate portion 111 is coated with the first spot welding sealant 4 and spot welded. Connection; a first white glue layer 5 is provided between the front side edge of the side wall outer panel 2 and the first groove portion 11 . The specific process is to apply the first electric welding sealant 4 in advance on the joint between the front side of the side wall outer panel 2 and the bottom plate portion 111, then perform spot welding, and finally apply white glue on the outer edge of the spot welding. Such a design can maximize the sealing and waterproof performance between the side wall outer panel 2 and the A-pillar reinforcement panel 1 .

In this embodiment, the upper side of the side wall outer panel 2 is provided with a transition outer panel 8 matched with the front wheel fender. A cavity is provided between the transition outer plate 8 and the first groove portion 11 , and the expansion rubber layer 9 is provided in the cavity (as shown in FIG. 1 and FIG. 3 ). Setting the transition outer panel 8 and forming a cavity between the transition outer panel 8 and the first groove portion 11 can make the overlap between the side panel outer panel 2 and the front wheel fender more smooth and natural, and improve the shape of the vehicle aesthetic feeling, and the expansion rubber layer 9 can isolate and block the cavity between the transition outer plate 8 and the first groove portion 11 from the outside world, so as to meet the requirement of sealing and waterproofing. Preferably, the transition outer panel 8 is integrally formed with the side wall outer panel 2 .

The automobile A-pillar assembly of the present embodiment also includes an A-pillar inner panel 3, and the A-pillar inner panel 3 includes a second groove portion 31 and a second connecting portion 32 fixed on the periphery of the opening of the second groove portion 31; the A-pillar The first connection portion 12 of the reinforcement panel 1 is overlapped with the second connection portion 32 of the A-pillar inner panel 3 , so that an airtight cavity structure is formed between the A-pillar reinforcement panel 1 and the A-pillar inner panel 3 . The arrangement of the cavity structure can improve the structural strength of the A-pillar assembly of the automobile.

In this embodiment, the second spot welding sealant 6 is coated between the first connecting portion 12 and the second connecting portion 32 and connected by spot welding, and the edge of the first connecting portion 12 and the edge of the second connecting portion 32 A second white glue layer 7 is also provided. This maximizes the waterproofness of the seal between the A-pillar reinforcement panel 1 and the A-pillar inner panel 3 .

In addition, this embodiment also provides an automobile to which the above-mentioned automobile A-pillar assembly is applied. The automobile implementing this embodiment can greatly improve the material utilization rate of the side wall outer panel 2, optimize the weight of the vehicle body, and achieve good sealing and waterproof performance.

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present utility model, some improvements and replacements can also be made. These improvements and replacements It should also be regarded as the protection scope of the present utility model.

Claims (9)

1. An automobile A-pillar assembly, characterized in that: it comprises an A-pillar reinforcement plate and a side panel outside the A-pillar reinforcement plate; the A-pillar reinforcement plate comprises a first groove portion and a fixed The first connection portion on the periphery of the opening of the first groove portion; based on the front and rear direction of the vehicle, the front side and the lower side of the side wall panel overlap the first groove portion. 2. The automobile A-pillar assembly according to claim 1, wherein the first groove portion comprises a bottom plate portion and a side plate portion connected to the bottom plate portion, and the side plate portion is connected to the bottom plate portion. The first connection part is connected; an arc-shaped transition part is provided between the front side and the lower side of the side wall outer panel, and the arc-shaped transition part overlaps the bottom plate part of the first groove part. 3. The A-pillar assembly of an automobile according to claim 2, characterized in that: the front side of the side wall outer panel is partially provided with a flanging, and the flanging overlaps the side plate portion. 4. The automobile A-pillar assembly according to claim 2 or 3, characterized in that: the front side of the side wall outer panel is attached to the bottom plate, and the front side of the side wall outer panel is in contact with the bottom plate. The first spot welding sealant is coated on the joint of the bottom plate and connected by spot welding; a first white glue layer is provided between the front side edge of the side wall and the first groove. 5 . The A-pillar assembly of an automobile according to claim 1 , wherein a transition outer panel is provided on the upper side of the side wall outer panel to cooperate with the front wheel fender. 6 . 6 . The A-pillar assembly of an automobile according to claim 5 , wherein a cavity is provided between the transition outer panel and the first groove, and an expansion rubber layer is provided in the cavity. 7 . 7. The automobile A-pillar assembly according to claim 1, further comprising an A-pillar inner panel, said A-pillar inner panel comprising a second groove portion and an opening fixed to said second groove portion The second connecting portion of the periphery; the first connecting portion of the A-pillar reinforcement panel overlaps the second connecting portion of the A-pillar inner panel, so that the A-pillar reinforcement panel and the A-pillar inner panel Form a closed cavity structure. 8. The automobile A-pillar assembly according to claim 7, characterized in that: a second spot welding sealant is coated between the first connecting part and the second connecting part and connected by spot welding, the There is also a second white glue layer between the first connection part and the second connection part. 9. An automobile, characterized by comprising the automobile A-pillar assembly according to any one of claims 1-8.