CN205365756U - Enclose structure before car - Google Patents

Abstract

The utility model relates to the field of automobiles, and discloses an automobile front wall structure, which comprises a front wall panel, a beam assembly and a water guide plate. The front wall panel has an integrated structure, and the upper end of the front wall panel The lower edge of the crossbeam assembly is welded with the lower edge of the crossbeam assembly, and the water guiding plate is located below the crossbeam assembly and is welded with the outer surface of the dash panel. The upper end of the dash panel of the utility model is welded after being overlapped with the beam assembly. Compared with the welding mode of the existing dash panel through the dash reinforcement plate and the cross beam, a row of welding spots is saved, and the welding cost is reduced. It is easy to apply glue on the welding edge between the board and the beam assembly. The front wall is an integral structure. The water guide plate is welded on the outer side of the front wall. There is no need to add glue to the welding edge of the water board and the dash panel, thus saving a glue-coating process and greatly reducing the risk of water ingress.

Description

car front wall structure

technical field

The utility model relates to the field of automobiles, in particular to an automobile front wall structure.

Background technique

The front wall assembly is located between the passenger compartment and the engine compartment, both of which have an urgent need for space. At the same time, the OEM needs to reduce the length, width and height of the vehicle in consideration of cost and shape. In this case, the front wall assembly also needs to meet the basic functions of sound insulation, heat insulation, force transmission and driver protection, and the space requirement cannot be infinitely compressed.

Currently on the market, the structure of the cowl assembly is basically composed of a cowl panel and a cowl frame. The front wall panel is divided into integral type and split type, and the front wall frame is divided into built-in type, external type and internal and external mixed type.

As shown in Fig. 1 and Fig. 2, the connection of the dash panel 100, the beam assembly 200 and the water deflector 300 of the existing dash assembly structure is complex, and the cross beam assembly 200 includes an upper cross beam 210 and a lower cross beam 220, the upper cross beam 210 and the lower cross beam 220. One edge of the crossbeam 210 and the lower crossbeam 220 are welded together, the upper end of the dash panel 100 extends to the upper crossbeam 210 and is welded with the other side edges of the upper crossbeam 210 and the lower crossbeam 220 , and the water deflector 300 is welded to the dash panel 100 Therefore, four welding edges are required, the welding cost is high, and the weld seam between the dash panel 100 and the upper cross member 210 is suspended in the air, which wastes the space in the passenger compartment and glue application requires a special design of the glue application space. The water guide plate 300 and the dash panel 100 The welding place needs to be glued from the lower edge, and its sealing effect is relatively poor. The lower end of the water deflector 300 is connected with the cowl outer frame 400 .

Utility model content

The technical problem to be solved by the utility model is the defects of high welding cost, difficult glue application and poor sealing effect caused by the complex connection of the dash panel, cross beam and water guide plate of the existing dash assembly.

In order to solve the above-mentioned technical problems, the utility model provides an automobile front wall structure, which includes a front wall panel, a beam assembly and a water guide plate. The front wall panel has an integrated structure, and the upper end of the front wall panel To the lower edge of the crossbeam assembly and welded with the lower edge of the crossbeam assembly, the water guide plate is located below the crossbeam assembly and welded with the outer surface of the dash panel.

As a preferred solution, the vehicle cowl structure also includes a cowl frame, the cowl frame includes a cowl outer frame and a cowl inner frame, the cowl outer frame is arranged on the outer surface of the cowl panel, the The front wall inner frame is arranged on the inner surface of the front wall panel.

As a preferred solution, the front outer frame includes a left outer frame and a right outer frame, the left outer frame is located on the left side of the right outer frame, and the left outer frame and the right outer frame There are mounting points for the front subframe in between.

As a preferred solution, the vehicle front wall structure further includes a front wall reinforcement panel, and the front wall reinforcement panel is arranged on the inner surface of the front wall panel.

As a preferred solution, the front wall reinforcement includes a left front wall reinforcement and a right front wall reinforcement, the left front wall reinforcement is located on the left side of the right front wall reinforcement, and three pedals are installed on the left front wall reinforcement. The board surface thickness of the left cowl reinforcement panel is greater than the board surface thickness of the right cowl reinforcement panel.

As a preferred solution, a cavity is formed between the dash reinforcement panel and the dash panel, and the position where the three pedals are installed on the left dash reinforcement panel is attached to the dash panel, and the cavity is filled with There are polymer materials.

As a preferred solution, the dash panel is provided with an air-conditioning air inlet, the air-conditioning inlet is located above the water guide plate, and the part of the dash panel where the air-conditioning inlet is arranged is inclined to the front of the vehicle body.

As a preferred solution, the automobile front wall structure also includes an A-pillar inner panel, the A-pillar inner panel includes an A-pillar upper inner panel and an A-pillar lower inner panel, and the crossbeam assembly is connected with the A-pillar upper inner panel , the upper part of the dash panel is connected to the upper inner panel of the A-pillar, and the lower part of the dash panel is connected to the lower inner panel of the A-pillar.

As a preferred solution, an instrument panel mounting bracket is provided on the inner panel of the A-pillar, the upper part of the instrument panel mounting bracket is connected to the upper inner panel of the A-pillar, and the lower part of the instrument panel mounting bracket is connected to the lower panel of the A-pillar. Inner board connection.

As a preferred solution, the instrument panel mounting bracket is provided with two instrument panel installation points located in the longitudinal direction of the vehicle body, and the distance between the two instrument panel installation points in the vehicle body longitudinal direction is greater than 10mm; the installation of the instrument panel installation points The distance between the surface and the characteristic surface in the longitudinal direction of the vehicle body is greater than 5mm; the distance between the center of the installation point of the instrument panel and the horizontal installation surface of the instrument panel in the vehicle body is less than 30mm.

In the automobile cowl structure provided by the utility model, the welding method of the cowl panel, the beam assembly and the water guide plate is simple and convenient, and the upper end of the cowl panel and the beam assembly are overlapped and then welded. Compared with the existing cowl panel The plate is welded to the crossbeam through the front wall reinforcement plate, which saves a row of welding points and reduces the welding cost. The welding edge between the front wall and the cross beam assembly is easy to apply glue. The plate is welded on the outer side of the front panel, the water in the water guide plate will not leak inside the front panel, and the welding edge of the water guide plate and the front panel does not need to be coated with glue, thus saving a glued process, and greatly reduces the risk of water ingress.

Description of drawings

Fig. 1 is the structural representation of the car front wall structure of background technology;

Fig. 2 is a schematic diagram of the cross-sectional structure of A-A in Fig. 1;

Fig. 3 is a schematic structural view of the front wall structure of an automobile according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of the B-B section structure in Fig. 3;

Fig. 5 is a schematic structural view of the front wall outer frame of the utility model embodiment;

Fig. 6 is a diagram showing the relationship between the mounting bracket of the instrument panel and the inner panel of the A-pillar according to the embodiment of the present invention.

Among them, 100, front panel; 200, beam assembly; 210, upper beam; 220, lower beam; 300, water guide plate; 400, outer frame of front wall;

1. Front panel; 2. Beam assembly; 21. Upper beam; 22. Lower beam; 3. Water deflector; 411. Left front wall outer frame; 412. Right front wall outer frame; 421. Left front wall inner frame; 422 . Right front wall inner frame; 51. Left front wall reinforcement plate; 52. Right front wall reinforcement plate; 6. Air-conditioning air inlet; 7. A-pillar inner panel; 71. A-pillar upper inner panel; , Instrument panel mounting bracket; 81, Instrument panel installation point.

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. 3 and Fig. 4, a kind of vehicle cowl structure of preferred embodiment of the present utility model, it comprises dash board 1, crossbeam assembly 2 and water guide plate 3, and crossbeam assembly 2 is made up of upper crossbeam 21 and lower The crossbeam 22 is butted, the dash panel 1 is an integral structure, the upper end of the dash panel 1 is lapped to the lower edge of the crossbeam assembly 2 and welded to the lower edge of the crossbeam assembly 2, the lower edge of the crossbeam assembly 2 is The lower edge of the lower beam 22, the water guide plate 3 is located below the beam assembly 2 and welded with the outer side of the dash panel 1, the welding method of the dash panel 1, the beam assembly 2 and the water guide plate 3 of the utility model is simple Convenience, the upper end of the dash panel 1 is welded with the beam assembly 2 after overlapping, compared with the existing dash panel 1 through the dash reinforcement plate and the beam welding method, a row of welding spots is saved, and the welding cost is reduced. It is easy to glue the welding edge between the wall panel 1 and the beam assembly 2, and the dash panel 1 has an integrated structure, and the water guide plate 3 is welded on the outer surface of the dash panel 1, so that the water in the water guide plate 3 will not The inside of the dash panel 1 leaks, and the welding edge of the water guide plate 3 and the dash panel 1 does not need to be coated with glue, thereby saving a glue-coating process and greatly reducing the risk of water ingress.

The vehicle cowl structure of the present utility model also includes a cowl framework, which comprises a cowl outer framework and a cowl inner framework, the cowl outer framework is arranged on the outer side of the cowl panel 1, and the cowl inner framework is arranged at the cowl The inner surface of the plate 1 divides the cowl frame into a cowl outer frame and a cowl inner frame, which strengthens the cowl assembly. Preferably, the cowl outer frame is welded to the outer side of the dash panel 1 , and the cowl inner frame is welded to the inner side of the dash panel 1 .

The outer frame of the front wall can be an integral structure or a segmented structure. Preferably, as shown in FIG. The outer frame 412 of the front wall, the outer frame of the left front wall 411 is located on the left side of the outer frame of the right front wall 412, the outer frame of the left front wall 411 is connected with the left longitudinal beam, the outer frame of the right front wall 412 is connected with the right longitudinal beam, and the outer frame of the front wall is divided into two sections The structure can flexibly allocate the welding order of the front wall structure to meet the equipment constraints of the main engine factory. The two sections of the front wall outer frame are welded with the left and right longitudinal beams respectively, which has strong operability; the left front wall outer frame 411 and the right front wall outer frame Front subframe mounting points are provided between the skeletons 412 . The front wall inner frame includes a left front wall inner frame 421 and a right front wall inner frame 422. The left front wall inner frame 421 is arranged on the left side of the right front wall inner frame 422. The transverse support frame is formed, the longitudinal support frame extends to the lower end of the dash panel 1 , and the transverse support frame extends to the A-pillar inner panel 7 of the dash panel 1 .

As shown in Fig. 3 again, the automobile front wall structure of the present utility model also includes a front wall reinforcing plate, which is arranged on the inner side of the front wall 1, preferably welded with the inner side of the front wall 1. The cowl reinforcing plate can be an integral structure or a split structure. Preferably, the cowl reinforcing plate of this embodiment is a split structure, which includes a left cowl reinforcing plate 51 and a right cowl reinforcing plate 52. The left cowl reinforcing plate 51 is located on the left side of the right front wall reinforcement plate 52, and three pedals are installed on the left front wall reinforcement plate 51. Since the installation of the three pedals requires certain strength and rigidity, the thickness of the left front wall reinforcement plate 51 in this embodiment is greater than that of the right front wall. The board surface thickness of the surrounding reinforcement board 52; the board surface thickness of the left front wall reinforcement board 51 can be 1-2 mm, can be 1.2, 1.3, 1.5, 1.7 or 1.8 mm; the board surface thickness of the right front wall reinforcement board 52 can be 0.6-2mm 1.0mm, which can be 0.7, 0.8 or 0.9mm; the cowl reinforcement plate is divided into two sections, and different thicknesses can be set according to the installation strength and stiffness, thus achieving the purpose of weight reduction and material saving.

In order to improve the NVH performance of the vehicle, a cavity is formed between the front wall reinforcement plate and the front wall panel 1, and the position where the three pedals are installed on the left front wall reinforcement plate 51 is attached to the front wall panel, and the cavity is filled with polymer Material, the material can be used as the remaining material of other parts of the car body, such as the door opening waste of the side wall cutting hole, so that the remaining material can be used reasonably.

The dash panel 1 is provided with an air-conditioning air inlet 6, the air-conditioning air inlet 6 is the air inlet of HVAC (Heating, Ventilation and Air Conditioning), and the air-conditioning air inlet 6 is located above the water deflector 3 , the front panel 1 where the air-conditioning air inlet 6 is installed is inclined to the front of the vehicle body. Under the condition that the hole center of the air-conditioning air inlet 6 remains unchanged, the height of the lower edge of the hole relative to the water guide plate 3 in the Z direction of the vehicle body is increased to reduce the air-conditioning Risk of water ingress.

The automobile front wall structure of the present utility model also includes an A-pillar inner panel 7, and the A-pillar inner panel 7 includes an A-pillar upper inner panel 71 and an A-pillar lower inner panel 72, and the beam assembly 2 is connected with the A-pillar upper inner panel 71, and the front The upper part of the coaming panel 1 is connected to the upper inner panel 71 of the A-pillar, and the lower part of the dash panel 1 is connected to the lower inner panel 72 of the A-pillar. The split-type A-pillar inner panel 7 can improve material utilization, improve stamping difficulty and reduce weight. The A-pillar upper inner panel 71 and the A-pillar lower inner panel 72 can be provided with different panel thicknesses according to different installation strength and rigidity requirements.

As shown in Figure 6, an instrument panel mounting bracket 8 is provided on the A-pillar inner panel 7, the upper part of the instrument panel mounting bracket 8 is connected to the upper inner panel 71 of the A-pillar, and the lower part of the instrument panel mounting bracket 8 is connected to the lower inner panel of the A-pillar. 72 connections. Preferably, the instrument panel mounting bracket 8 is provided with two instrument panel mounting points 81 located in the longitudinal direction of the vehicle body, and the distance L1 between the two instrument panel mounting points 81 in the longitudinal direction of the vehicle body (X direction) is greater than 10 mm, thereby improving both The stiffness of each instrument panel installation point 81; the distance L2 between the installation surface of the instrument panel installation point 81 and the characteristic surface on the vehicle longitudinal direction (X direction) is greater than 5mm, thus the local stiffness of the instrument panel installation point 81 can be improved, and the instrument panel installation The installation surface of point 81 refers to the plane of the instrument panel installation point 81 on the vehicle body transverse direction (Y direction), which is the end face of the nut in this embodiment, and the characteristic surface refers to the curved surface connecting the two installation surfaces; the instrument panel During installation, the rear edge of the A-pillar inner panel 7 is used as the installation surface of the instrument panel in the transverse direction (Y direction) of the vehicle body, and the center of the instrument panel installation point 81 and the rear edge of the A-pillar inner panel 7 are in the transverse direction of the vehicle body (Y direction). The distance L3 is less than 30mm, which is equivalent to the cantilever, and should be as small as possible. The longer the distance, the greater the deflection, and the smaller the deformation, the better.

The automobile front wall structure provided by the utility model has the following advantages:

1. The structure is optimized. The upper end of the dash panel 1 is overlapped with the cross beam assembly 2 and then welded. Compared with the existing dash panel welded to the cross beam through the dash reinforcement plate, a row of welding spots is saved and the welding time is reduced. Cost, the welding edge between the dash panel 1 and the beam assembly 2 is easy to glue;

2. The dash panel 1 has an integral structure, and the water deflector 3 is welded on the outer surface of the dash panel 1. The water in the dash panel 3 will not leak to the inside of the dash panel 1. The water guide panel 3 and the dash panel There is no need to add glue to the welding edge of plate 1, thus saving a glue-coating process and greatly reducing the risk of water ingress;

3. The part of the dash panel 1 where the air-conditioning air inlet 6 for heating, ventilation and air conditioning is located is inclined to the front of the vehicle body to reduce the risk of water entering the air-conditioning unit;

4. The outer frame of the front wall is integrated with the installation point of the front sub-frame, which reduces the number and weight of parts and makes the structure simple;

5. Set the left cowl reinforcement plate 51 and the right cowl reinforcement plate 52. The left cowl reinforcement plate 51 is used to install the three pedals. The left cowl reinforcement plate 51 and the right cowl reinforcement plate 52 can be set in different structures and thicknesses according to actual needs. Play the function of reducing weight and improving material utilization;

6. By rationally arranging the structure of the instrument panel mounting bracket 8, its structure is optimized to meet the installation rigidity in the X and Y directions.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and replacements can also be made. And replacement should also be regarded as the protection scope of the present utility model.

Claims (10)

1. an automobile front wall structure, it is characterized in that, including front panel, crossbeam assembly and weather board, described front panel is integral type structure, the upper end of described front panel overlaps the lower limb of extremely described crossbeam assembly and welds with the lower limb of described crossbeam assembly, and described weather board is positioned at the lower section of described crossbeam assembly and welds with the lateral surface of described front panel.

2. automobile front wall structure as claimed in claim 1, it is characterized in that, described automobile front wall structure also includes front wall frame, described front wall frame includes front wall purchasing ore and front wall inner frame, described front wall purchasing ore is located at the lateral surface of described front panel, and described front wall inner frame is located at the medial surface of described front panel.

3. automobile front wall structure as claimed in claim 2, it is characterized in that, described front wall purchasing ore includes left front enclosing purchasing ore and right front wall purchasing ore, the described left front purchasing ore that encloses is positioned at the left side of described right front wall purchasing ore, and described left front enclosing is provided with fore sub frame installation point between purchasing ore and right front wall purchasing ore.

4. the automobile front wall structure as described in any one of claim 1-3, it is characterised in that described automobile front wall structure also includes front wall and strengthens plate, described front wall is strengthened plate and is located at the medial surface of described front panel.

5. automobile front wall structure as claimed in claim 4, it is characterized in that, described front wall reinforcement plate includes left front enclosing and strengthens plate and right front wall reinforcement plate, the described left front reinforcement plate that encloses is positioned at the left side of described right front wall reinforcement plate, described left front enclosing is provided with three pedals on reinforcement plate, the described left front plate face thickness strengthening plate that encloses strengthens the plate face thickness of plate more than described right front wall.

6. automobile front wall structure as claimed in claim 5, it is characterized in that, described front wall strengthens being formed between plate and described front panel a cavity, and fitting with described front panel in the described left front position strengthening installing three pedals on plate of enclosing, is filled with macromolecular material in described cavity.

7. the automobile front wall structure as described in any one of claim 1-3, it is characterised in that described front panel is provided with air-conditioning air inlet, described air-conditioning air inlet is positioned at the top of described weather board, and described front panel arranges the position of air-conditioning air inlet and tilts to vehicle front.

8. the automobile front wall structure as described in any one of claim 1-3, it is characterized in that, described automobile front wall structure also includes A post inner panel, described A post inner panel includes on A post inner panel under inner panel and A post, described crossbeam assembly is connected with inner panel on described A post, the top of described front panel is connected with inner panel on described A post, and the bottom of described front panel is connected with inner panel under described A post.

9. automobile front wall structure as claimed in claim 8, it is characterized in that, described A post inner panel is provided with instrument desk mounting bracket, and the top of described instrument desk mounting bracket is connected with inner panel on described A post, and the bottom of described instrument desk mounting bracket is connected with inner panel under described A post.

10. automobile front wall structure as claimed in claim 9, it is characterised in that described instrument desk mounting bracket is provided with vehicle body longitudinally on two instrument desks points are installed, two described instrument desks install point vehicle body longitudinally on distance more than 10mm；The installed surface of described instrument desk installation point and the characteristic face distance on vehicle body is longitudinal is more than 5mm, and described characteristic face refers to the curved surface connected between two installed surfaces；Described instrument desk installs the center put and the instrument desk distance transversely mounted of vehicle body less than 30mm.