CN106892000B - Automobile front wall structure - Google Patents
Automobile front wall structure Download PDFInfo
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- CN106892000B CN106892000B CN201510977153.6A CN201510977153A CN106892000B CN 106892000 B CN106892000 B CN 106892000B CN 201510977153 A CN201510977153 A CN 201510977153A CN 106892000 B CN106892000 B CN 106892000B
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- cowl
- front wall
- panel
- plate
- pillar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
Abstract
The invention relates to the field of automobiles, and discloses an automobile front wall structure which comprises a front wall plate, a beam assembly and a water guide plate, wherein the front wall plate is of an integrated structure, the upper end of the front wall plate is lapped to the lower edge of the beam assembly and is welded with the lower edge of the beam assembly, and the water guide plate is positioned below the beam assembly and is welded with the outer side surface of the front wall plate. According to the invention, the upper end of the front coaming is welded with the beam assembly after being lapped, compared with the existing mode that the front coaming is welded with the beam through the front coaming reinforcing plate, a row of welding spots are saved, the welding cost is reduced, the welding edge between the front coaming and the beam assembly is easy to glue, the front coaming is of an integrated structure, the water guide plate is welded on the outer side surface of the front coaming, water in the water guide plate cannot leak to the inner side of the front coaming, glue does not need to be added to the welding edge of the water guide plate and the front coaming, a gluing process is saved, and the risk of water inflow is greatly reduced.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an automobile front wall structure.
Background
The front wall assembly is located between the passenger cabin and the engine cabin, the space requirements of the passenger cabin and the engine cabin are urgent, and meanwhile, the length, the width and the height of the whole vehicle need to be reduced from the aspects of cost and modeling in a main engine factory. In this case, the front wall assembly also needs to satisfy the basic functions of sound and heat insulation, force transmission and driver protection, and the space requirement cannot be infinitely compressed.
In the existing market, the front wall assembly structure is basically composed of a front wall plate and a front wall framework. The front wall is divided into an integral type and a split type, and the front wall framework is divided into a built-in type, an external type and an internal and external mixed type.
As shown in fig. 1 and 2, the connection of the front wall panel 100, the beam assembly 200 and the water guide panel 300 of the existing front wall assembly structure is complicated, the beam assembly 200 includes an upper beam 210 and a lower beam 220, one side edges of the upper beam 210 and the lower beam 220 are welded together, the upper end of the front wall panel 100 extends to the upper beam 210 and is welded to the other side edges of the upper beam 210 and the lower beam 220, the water guide panel 300 is welded to the front wall panel 100, four welding edges are required, the welding cost is high, the welding seam of the front wall panel 100 and the upper beam 210 is suspended, the passenger compartment space is wasted, the glue coating space is specially designed for glue coating, the glue coating is required at the welding position of the water guide panel 300 and the front wall panel 100 from the lower edge, the sealing effect is poor, and the lower end of the water guide panel 300 is connected to.
Disclosure of Invention
The invention aims to solve the technical problems of high welding cost, difficult gluing and poor sealing effect caused by complicated connection of a front wall plate, a cross beam and a water guide plate of the conventional front wall assembly.
In order to solve the technical problem, the invention provides an automobile front wall structure which comprises a front wall plate, a beam assembly and a water guide plate, wherein the front wall plate is of an integrated structure, the upper end of the front wall plate is lapped on the lower edge of the beam assembly and is welded with the lower edge of the beam assembly, and the water guide plate is positioned below the beam assembly and is welded with the outer side surface of the front wall plate.
As preferred scheme, enclose structure before the car still includes before enclose the skeleton, before enclose the skeleton including before enclose the outer frame with before enclose the inner frame, before enclose the outer frame locate the lateral surface of dash panel, before enclose the inner frame locate the medial surface of dash panel.
As preferred scheme, enclose the skeleton before including a left side before enclosing skeleton and right side and enclose the skeleton before, enclose the skeleton before a left side and be located the left side of right side front wall skeleton, enclose before a left side and be equipped with preceding sub vehicle frame mounting point between skeleton and the right side front wall skeleton before.
Preferably, the automobile front wall structure further comprises a front wall reinforcing plate, and the front wall reinforcing plate is arranged on the inner side surface of the front wall plate.
Preferably, the front wall reinforcing plate comprises a left front wall reinforcing plate and a right front wall reinforcing plate, the left front wall reinforcing plate is located on the left side of the right front wall reinforcing plate, three pedals are mounted on the left front wall reinforcing plate, and the plate thickness of the left front wall reinforcing plate is larger than that of the right front wall reinforcing plate.
Preferably, a cavity is formed between the front wall reinforcing plate and the front wall plate, the position of the left front wall reinforcing plate where the three pedals are installed is attached to the front wall plate, and a high polymer material is filled in the cavity.
Preferably, the front wall plate is provided with an air conditioner air inlet, the air conditioner air inlet is positioned above the water guide plate, and the part of the front wall plate, which is provided with the air conditioner air inlet, inclines towards the front of the vehicle body.
Preferably, the automobile front wall structure further comprises an a-pillar inner plate, the a-pillar inner plate comprises an a-pillar upper inner plate and an a-pillar lower inner plate, the beam assembly is connected with the a-pillar upper inner plate, the upper portion of the front wall plate is connected with the a-pillar upper inner plate, and the lower portion of the front wall plate is connected with the a-pillar lower inner plate.
Preferably, an instrument desk mounting bracket is arranged on the inner plate of the column A, the upper part of the instrument desk mounting bracket is connected with the inner plate on the column A, and the lower part of the instrument desk mounting bracket is connected with the inner plate under the column A.
Preferably, the instrument desk mounting bracket is provided with two instrument desk mounting points positioned on the longitudinal direction of the vehicle body, and the distance between the two instrument desk mounting points on the longitudinal direction of the vehicle body is more than 10 mm; the distance between the mounting surface of the instrument desk mounting point and the characteristic surface in the longitudinal direction of the vehicle body is larger than 5 mm; the distance between the center of the instrument desk mounting point and the instrument desk on the transverse installation surface of the vehicle body is less than 30 mm.
According to the automobile front wall structure provided by the invention, the welding mode of the front wall plate, the beam assembly and the water guide plate is simple and convenient, the upper end of the front wall plate is welded with the beam assembly after being lapped, compared with the mode that the existing front wall plate is welded with the beam through the front wall reinforcing plate, a row of welding points are saved, the welding cost is reduced, the welding edge between the front wall plate and the beam assembly is easy to glue, the front wall plate is of an integrated structure, the water guide plate is welded on the outer side surface of the front wall plate, water in the water guide plate cannot leak to the inner side of the front wall plate, and the welding edge of the water guide plate and the front wall plate does not need to be increased, so that a gluing process is saved, and the risk of water.
Drawings
FIG. 1 is a schematic structural view of a prior art automotive cowl structure;
FIG. 2 is a schematic view of the cross-sectional structure taken along line A-A in FIG. 1;
FIG. 3 is a schematic structural view of a cowl structure of an automobile according to an embodiment of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 3 along the line B-B;
FIG. 5 is a schematic structural view of the cowl outer skeleton according to the embodiment of the invention;
FIG. 6 is a drawing showing the fitting relationship between the instrument desk mounting bracket and the inner panel of the A-pillar according to the embodiment of the present invention.
100, a front wall plate; 200. a beam assembly; 210. an upper cross beam; 220. a lower cross beam; 300. a water guide plate; 400. a front wall outer framework;
1. a dash panel; 2. a beam assembly; 21. an upper cross beam; 22. a lower cross beam; 3. a water guide plate; 411. a left front wall outer frame; 412. a right front peripheral exoskeleton; 421. a left front wall inner frame; 422. a right front wall inner frame; 51. a left cowl stiffener; 52. a front right enclosure stiffener panel; 6. an air inlet of an air conditioner; 7. an A column inner plate; 71. an upper inner plate of the A column; 72. a pillar lower inner panel; 8. an instrument desk mounting bracket; 81. and (6) installing an instrument desk.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 3 and 4, a front wall structure of an automobile according to a preferred embodiment of the present invention includes a front wall 1, a beam assembly 2 and a water guide panel 3, wherein the beam assembly 2 is formed by butting an upper beam 21 and a lower beam 22, the front wall 1 is an integrated structure, an upper end of the front wall 1 is connected to a lower edge of the beam assembly 2 and welded to the lower edge of the beam assembly 2, a lower edge of the beam assembly 2 is a lower edge of the lower beam 22, and the water guide panel 3 is located below the beam assembly 2 and welded to an outer side surface of the front wall 1, the beam assembly 2 and the water guide panel 3 of the present invention are welded in a simple and convenient manner, an upper end of the front wall 1 is welded to the beam assembly 2 after being connected, compared with the existing front wall 1 by welding a front wall reinforcement panel and a beam, a row of welding spots are saved, welding costs are reduced, and the welding edge between the front wall 1 and the beam assembly 2 is easily glued, and preceding bounding wall 1 formula structure as an organic whole, the welding of water guide plate 3 is at the lateral surface of preceding bounding wall 1, and the water in the water guide plate 3 can not reveal to preceding bounding wall 1 inboard, and the rubber coating need not increase again to the welding limit of water guide plate 3 and preceding bounding wall 1, has saved a rubber coated process from this, and has reduced the risk of intaking greatly.
The automobile front wall structure also comprises a front wall framework, wherein the front wall framework comprises a front wall outer framework and a front wall inner framework, the front wall outer framework is arranged on the outer side surface of the front wall plate 1, the front wall inner framework is arranged on the inner side surface of the front wall plate 1, the front wall framework is divided into the front wall outer framework and the front wall inner framework, and the strength of a front wall assembly is enhanced. Preferably, the cowl outer frame is welded to the outer side surface of the cowl panel 1, and the cowl inner frame is welded to the inner side surface of the cowl panel 1.
The front wall outer framework can be an integrated structure or a sectional structure, preferably, as shown in fig. 5, the front wall outer framework of the embodiment is a sectional structure and comprises a left front wall outer framework 411 and a right front wall outer framework 412, the left front wall outer framework 411 is positioned on the left side of the right front wall outer framework 412, the left front wall outer framework 411 is connected with a left longitudinal beam, the right front wall outer framework 412 is connected with a right longitudinal beam, the front wall outer framework is divided into two sections, the welding sequence of the front wall structure can be flexibly distributed to adapt to equipment constraint of a host factory, the two sections of front wall outer frameworks are respectively welded with the left longitudinal beam and the right longitudinal beam, and the operability is strong; a front sub-frame mounting point is arranged between the left front surrounding outer frame 411 and the right front surrounding outer frame 412. Enclose inner frame including a left side before enclose inner frame 421 and right front enclose inner frame 422, enclose inner frame 421 before a left side and locate the left side of enclosing inner frame 422 before the right side, enclose inner frame 421 before a left side and right front enclose inner frame 422 and constitute by vertical support frame and horizontal support frame, vertical support frame extends to the lower extreme of preceding bounding wall 1, and horizontal support frame extends to the A post inner panel 7 of preceding bounding wall 1.
As shown in fig. 3, the front wall structure of an automobile of the present invention further includes a front wall reinforcement panel provided on the inner side surface of the front wall panel 1, preferably welded to the inner side surface of the front wall panel 1. The front wall reinforcing plate can be of an integrated structure or a split structure, preferably, the front wall reinforcing plate of the embodiment is of a split structure and comprises a left front wall reinforcing plate 51 and a right front wall reinforcing plate 52, the left front wall reinforcing plate 51 is positioned on the left side of the right front wall reinforcing plate 52, three pedals are mounted on the left front wall reinforcing plate 51, and the three pedals have certain strength and rigidity requirements, so that the plate thickness of the left front wall reinforcing plate 51 of the embodiment is greater than that of the right front wall reinforcing plate 52; the thickness of the left front wall reinforcing plate 51 can be 1-2 mm, and can be 1.2, 1.3, 1.5, 1.7 or 1.8 mm; the thickness of the right front wall reinforcing plate 52 can be 0.6-1.0 mm, and can be 0.7, 0.8 or 0.9 mm; the front wall reinforcing plate is divided into two sections, and different thicknesses can be set according to different installation strengths and rigidity, so that the purposes of reducing weight and saving materials are achieved.
In order to improve the NVH performance of vehicle, enclose before and form a cavity between reinforcing plate and the preceding bounding wall 1, and enclose the position of installing three footboards on the reinforcing plate 51 and the laminating of preceding bounding wall before a left side, be filled with macromolecular material in this cavity, the clout that this material can material other parts of automobile body, like the door opening waste material in side wall cut hole, from this can the rational utilization clout.
An air conditioner air inlet 6 is formed in the front wall panel 1, the air conditioner air inlet 6 is an air inlet of HVAC (Heating, Ventilation and air Conditioning), the air conditioner air inlet 6 is located above the water guide panel 3, the position, where the air conditioner air inlet 6 is formed, of the front wall panel 1 inclines towards the front of the vehicle body, the height of the lower edge of the hole relative to the Z direction of the vehicle body of the water guide panel 3 is increased under the condition that the center of the hole of the air conditioner air inlet 6 is unchanged, and the risk of air conditioner water inlet is reduced.
The automobile front wall structure further comprises an A-pillar inner plate 7, the A-pillar inner plate 7 comprises an A-pillar upper inner plate 71 and an A-pillar lower inner plate 72, the beam assembly 2 is connected with the A-pillar upper inner plate 71, the upper portion of the front wall plate 1 is connected with the A-pillar upper inner plate 71, the lower portion of the front wall plate 1 is connected with the A-pillar lower inner plate 72, the split type A-pillar inner plate 7 can improve the material utilization rate, improve the stamping difficulty and reduce the weight, and the A-pillar upper inner plate 71 and the A-pillar lower inner plate 72 can be set to be different in plate thickness according to different requirements on installation strength and rigidity.
As shown in fig. 6, the a-pillar inner panel 7 is provided with an instrument desk mounting bracket 8, an upper portion of the instrument desk mounting bracket 8 is connected to an a-pillar upper inner panel 71, and a lower portion of the instrument desk mounting bracket 8 is connected to an a-pillar lower inner panel 72. Preferably, the instrument desk mounting bracket 8 is provided with two instrument desk mounting points 81 located in the vehicle body longitudinal direction, and the distance L1 between the two instrument desk mounting points 81 in the vehicle body longitudinal direction (X direction) is greater than 10mm, whereby the rigidity of the two instrument desk mounting points 81 can be improved; the distance L2 between the mounting surface of the instrument desk mounting point 81 and the characteristic surface in the vehicle longitudinal direction (X direction) is greater than 5mm, so that the local rigidity of the instrument desk mounting point 81 can be improved, the mounting surface of the instrument desk mounting point 81 refers to the plane of the instrument desk mounting point 81 in the vehicle body transverse direction (Y direction), in this embodiment, the end surface of the nut, and the characteristic surface refers to the curved surface connecting the two mounting surfaces; when the instrument desk is installed, the rear edge of the A-pillar inner plate 7 serves as an instrument desk body transverse (Y-direction) installation surface, the distance L3 between the center of the instrument desk installation point 81 and the rear edge of the A-pillar inner plate 7 in the vehicle body transverse direction (Y-direction) is smaller than 30mm, the distance is equivalent to a cantilever, and the smaller the distance is, the larger the deflection is, and the smaller the deformation is, the better the distance is.
The automobile front wall structure provided by the invention has the following advantages:
1. the structure is optimized, the upper end of the front wall plate 1 is welded with the beam assembly 2 after being lapped, compared with the existing mode that the front wall plate is welded with the beam through the front wall reinforcing plate, a row of welding points are saved, the welding cost is reduced, and the welding edge between the front wall plate 1 and the beam assembly 2 is easy to glue;
2. the front wall plate 1 is of an integrated structure, the water guide plate 3 is welded on the outer side surface of the front wall plate 1, water in the water guide plate 3 cannot leak to the inner side of the front wall plate 1, and glue does not need to be added to the welded edges of the water guide plate 3 and the front wall plate 1, so that a glue coating process is omitted, and the risk of water inflow is greatly reduced;
3. the part of the front wall plate 1 where an air inlet 6 of an air conditioner for heating ventilation and air conditioning is positioned is obliquely arranged towards the front of the vehicle body, so that the risk of water inlet of the air conditioner is reduced;
4. the front wall outer framework and the mounting point of the front auxiliary frame are integrated, so that the number and the weight of parts are reduced, and the structure is simple;
5. the left front wall reinforcing plate 51 and the right front wall reinforcing plate 52 are arranged, the left front wall reinforcing plate 51 is used for mounting three pedals, the left front wall reinforcing plate 51 and the right front wall reinforcing plate 52 can be set to be different in structure and thickness according to actual needs, and the functions of reducing weight and improving the material utilization rate are achieved;
6. through the structure of rationally arranging instrument desk installing support 8, make its structural optimization, can satisfy the installation rigidity of X and Y to.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The automobile front wall structure is characterized by comprising a front wall plate, a beam assembly, a water guide plate, a front wall framework and an A-pillar inner plate, wherein the front wall plate is of an integrated structure, the upper end of the front wall plate is lapped to the lower edge of the beam assembly and is welded with the lower edge of the beam assembly, and the water guide plate is positioned below the beam assembly and is welded with the outer side surface of the front wall plate; the beam assembly is formed by butting an upper beam and a lower beam, a cavity structure is formed between the upper beam and the lower beam, and the upper end of the front wall plate is lapped on the lower edge of the lower beam and is welded with the lower edge of the lower beam;
enclose the skeleton before including before and enclose the outer frame and enclose the inner frame before, before enclose the inner frame and include vertical support frame and horizontal support frame, vertical support frame extends to before the lower extreme of bounding wall, horizontal support frame is followed before the bounding wall extends to A post inner panel.
2. The automobile cowl structure according to claim 1, wherein the cowl outer frame is provided on an outer side surface of the cowl panel, and the cowl inner frame is provided on an inner side surface of the cowl panel.
3. The automotive cowl structure according to claim 2, wherein the cowl outer frame includes a left cowl outer frame and a right cowl outer frame, the left cowl outer frame is located on a left side of the right cowl outer frame, and a front sub-frame mounting point is provided between the left cowl outer frame and the right cowl outer frame.
4. The automotive cowl structure according to any one of claims 1 through 3, further comprising a cowl reinforcement panel provided on an inner side surface of the cowl panel.
5. The automobile cowl structure according to claim 4, wherein the cowl reinforcement panel includes a left cowl reinforcement panel and a right cowl reinforcement panel, the left cowl reinforcement panel is located on a left side of the right cowl reinforcement panel, three pedals are mounted on the left cowl reinforcement panel, and a panel thickness of the left cowl reinforcement panel is greater than a panel thickness of the right cowl reinforcement panel.
6. The automobile cowl structure according to claim 5, wherein a cavity is formed between the cowl reinforcement panel and the cowl panel, and a position of the left cowl reinforcement panel where the three pedals are attached is attached to the cowl panel, and the cavity is filled with a polymer material.
7. The automobile front wall structure according to any one of claims 1 to 3, wherein an air conditioner intake is provided in the front wall panel, the air conditioner intake is located above the water guide panel, and a portion of the front wall panel where the air conditioner intake is provided is inclined toward the front of the vehicle body.
8. The automotive cowl structure according to any one of claims 1 through 3, wherein the A-pillar inner panel includes an A-pillar upper inner panel and an A-pillar lower inner panel, the beam assembly is connected to the A-pillar upper inner panel, an upper portion of the cowl panel is connected to the A-pillar upper inner panel, and a lower portion of the cowl panel is connected to the A-pillar lower inner panel.
9. The automobile front wall structure according to claim 8, wherein an instrument desk mounting bracket is provided on the a-pillar inner panel, an upper portion of the instrument desk mounting bracket is connected to the a-pillar upper inner panel, and a lower portion of the instrument desk mounting bracket is connected to the a-pillar lower inner panel.
10. The automobile cowl structure according to claim 9, wherein the instrument desk mounting bracket is provided with two instrument desk mounting points located in a vehicle body longitudinal direction, and a distance between the two instrument desk mounting points in the vehicle body longitudinal direction is greater than 10 mm; the distance between the mounting surface of the instrument desk mounting point and the characteristic surface in the longitudinal direction of the vehicle body is larger than 5 mm; the distance between the center of the instrument desk mounting point and the instrument desk on the transverse installation surface of the vehicle body is less than 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977153.6A CN106892000B (en) | 2015-12-21 | 2015-12-21 | Automobile front wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977153.6A CN106892000B (en) | 2015-12-21 | 2015-12-21 | Automobile front wall structure |
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| Publication Number | Publication Date |
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| CN106892000A CN106892000A (en) | 2017-06-27 |
| CN106892000B true CN106892000B (en) | 2020-03-10 |
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| CN201510977153.6A Active CN106892000B (en) | 2015-12-21 | 2015-12-21 | Automobile front wall structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682381B (en) * | 2021-09-29 | 2022-09-16 | 岚图汽车科技有限公司 | Intelligent integrated brake system mounting structure and mounting method thereof |
| CN115416761B (en) * | 2022-09-23 | 2024-03-26 | 合肥长安汽车有限公司 | Connecting structure of front engine room assembly and side wall assembly and manufacturing method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11227633A (en) * | 1998-02-19 | 1999-08-24 | Honda Motor Co Ltd | Dash board upper cross member of vehicle body |
| JP4207006B2 (en) * | 2005-01-31 | 2009-01-14 | トヨタ自動車株式会社 | Windshield glass support structure |
| CN201721518U (en) * | 2010-06-23 | 2011-01-26 | 奇瑞汽车股份有限公司 | Strengthening structure of automobile steering system |
| US9283995B2 (en) * | 2012-04-05 | 2016-03-15 | Honda Motor Co., Ltd. | Vehicle front structure |
| CN203402278U (en) * | 2013-08-22 | 2014-01-22 | 广州汽车集团股份有限公司 | Car body dash panel assembly structure and car |
| CN204250179U (en) * | 2014-11-21 | 2015-04-08 | 奇瑞汽车股份有限公司 | A kind of automobile roof drip assembly |
| CN104443058A (en) * | 2014-12-06 | 2015-03-25 | 重庆长安汽车股份有限公司 | Beam mounting bracket of automobile instrument panel |
| CN204587034U (en) * | 2015-04-27 | 2015-08-26 | 广州汽车集团股份有限公司 | A kind of front panel structure |
| CN205365756U (en) * | 2015-12-21 | 2016-07-06 | 广州汽车集团股份有限公司 | Enclose structure before car |
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