CN213323360U

CN213323360U - Air chamber structure

Info

Publication number: CN213323360U
Application number: CN202022149129.2U
Authority: CN
Inventors: 马天航; 张焰; 华猛; 杨国勇; 彭欣强; 杨金秀
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-01
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to the technical field of automobile parts, and discloses an air chamber structure, which comprises a lower air window beam, a wiper support, a front wall plate, an outer air chamber plate and an outer air chamber plate reinforcing beam; the rear end part of the air chamber outer plate is connected with the lower end part of the air chamber outer plate reinforcing cross beam, and the front end part of the air chamber outer plate is fixedly lapped on the front panel; the front end part of the lower wind window cross beam is fixedly lapped on the upper end part of the front wall plate, the rear end part of the lower wind window cross beam is connected with the front end of the wiper support, and the rear end of the wiper support is connected with the air chamber outer plate reinforcing cross beam; the side of the wiper support is provided with a first supporting leg connected with the front wall plate and a second supporting leg connected with the outer plate of the air chamber. The utility model discloses can reduce the noise when not influencing pedestrian's protection effect, improve passenger's travelling comfort.

Description

Air chamber structure

Technical Field

The utility model relates to an automobile parts technical field especially relates to an air chamber structure.

Background

With the continuous development of automobile technology, the requirements of all parties on the safety performance of automobiles are higher and higher, and attention is paid to the safety of drivers and passengers in automobiles and the safety of pedestrians outside automobiles. In order to improve the safety of pedestrians outside the automobile, one important method is to change the lower wind window beam of the original closed cavity into an opening form, so that the structural strength of the lower wind window beam is weakened, and the damage of collision to the head of a pedestrian is reduced when the head of the pedestrian collides with the front wind window.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: an air chamber structure is provided to reduce vibration noise during vehicle traveling and improve the comfort of passengers.

In order to achieve the purpose, the utility model provides an air chamber structure, which comprises a lower wind window beam, a windscreen wiper bracket, a front wall plate, an outer air chamber plate and an outer air chamber plate reinforcing beam; the rear end part of the air chamber outer plate is connected with the lower end part of the air chamber outer plate reinforcing cross beam, and the front end part of the air chamber outer plate is fixedly lapped on the front panel; the front end part of the lower wind window cross beam is fixedly lapped on the upper end part of the front wall plate, the rear end part of the lower wind window cross beam is connected with the front end of the wiper support, and the rear end of the wiper support is connected with the air chamber outer plate reinforcing cross beam; the side of the wiper support is provided with a first supporting leg connected with the front wall plate and a second supporting leg connected with the outer plate of the air chamber.

Through the scheme, the wiper support is respectively connected with the air chamber outer plate, the air chamber outer plate reinforcing cross beam and the front wall plate, and at the moment, a stable closed-loop structure is formed between the rear end of the wiper support, the air chamber outer plate reinforcing cross beam, the air chamber outer plate and the second support leg at the rear part of the wiper support, so that the stability of the wiper support is improved, and the vibration deformation of the wiper support can be limited; the first support leg of the wiper support is connected with the front wall plate, the front wall plate is vertically arranged in front of the outer plate of the air chamber in the vehicle, the vibration deformation of the wiper support can be limited through the first support leg, and the stability of the wiper support is further improved; when the wiper support has enhanced stability, the rear end part of the lower wind window cross beam is connected with the front end of the wiper support, and the vibration deformation of the lower wind window cross beam is eliminated or weakened by the wiper support, so that the lower wind window cross beam cannot resonate in the driving process of the automobile, the noise in the automobile is reduced, and the comfort of passengers is improved.

Furthermore, the wiper support also comprises a support main body, a third supporting leg arranged at the front end of the support main body and connected with the rear end part of the lower cross beam of the windshield, and a fourth supporting leg arranged at the rear end of the support main body and connected with the reinforcing cross beam of the outer plate of the air chamber; the left and right sides symmetry of support main part is provided with first stabilizer blade, the left and right sides symmetry of support main part is provided with the second stabilizer blade.

Further, the front wall plate comprises an upper front wall plate and a lower front wall plate, the upper front wall plate and the lower front wall plate are fixedly connected in an overlapping mode, two overlapping positions are arranged between the upper front wall plate and the lower front wall plate, and a cavity structure is formed between the two overlapping positions of the upper front wall plate and the lower front wall plate.

Furthermore, the middle part of the bracket main body is provided with a wiper installation part.

Furthermore, a crumple part is arranged on the support main body close to the third supporting leg, and the crumple part is also arranged on the support main body close to the fourth supporting leg.

Further, the collapsing part comprises a recessed part and collapsing holes arranged in the recessed part.

Furthermore, the rear end part of the lower cross beam of the windshield is connected with the front end of the wiper support in a bolt and nut matching mode.

Furthermore, a first flanging is formed at the lower end part of the air chamber outer plate reinforcing cross beam, and the first flanging is fixedly lapped with the rear end part of the air chamber outer plate.

Further, a second flanging is formed at the front end part of the outer plate of the air chamber and is connected with the area, below the cavity structure, of the upper front coaming; the first support leg is connected with the area, located above the cavity structure, of the upper front coaming.

Further, the root of the first support leg is located at the front part of the side surface of the bracket main body, and the root of the second bracket is located at the rear part of the side surface of the bracket main body.

The embodiment of the utility model provides an air chamber structure compares with prior art, and its beneficial effect lies in: connect air chamber planking strengthening beam through the rear end of windscreen wiper support, the air chamber planking is connected to the second stabilizer blade, preceding bounding wall is connected to first stabilizer blade, make windscreen wiper support have the stability of resisting the vibration deformation when the car is gone, and then make the rigidity reinforcing of the wind window bottom end rail of being connected with windscreen wiper support front end, the swing of wind window bottom end rail relative to the front end at the car in-process rear end that traveles has been eliminated, the rear end that makes wind window bottom end rail can not take place resonance when going, thereby noise in the car has been reduced, passenger's travelling comfort has been improved.

Drawings

FIG. 1 is a schematic structural view of an air chamber structure in an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along section A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along section A-A of FIG. 1;

fig. 4 is a schematic structural view of a wiper support according to an embodiment of the present invention;

in the figure, 1, a lower crossbeam of a windshield; 2. a wiper blade support; 3. a dash panel; 4. an air chamber outer plate; 5. an air chamber outer plate reinforcing cross beam; 21. a first leg; 22. a second leg; 23. a stent body; 24. a third leg; 25. a fourth leg; 26. a wiper mounting section; 27. a recessed portion; 28. collapsing the hole; 31. an upper dash panel; 32. a lower dash panel; 33. and (4) a cavity structure.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to 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.

In the description of the present invention, it should be understood that the terms "middle portion", "upper end portion", "lower end portion", "front end portion", "rear end portion", and the like, which indicate the orientation or position, are used in the present invention as the orientation or position relationship shown on the basis of the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an air chamber structure according to a preferred embodiment of the present invention includes a lower windshield cross member 1, a wiper support 2, a front dash panel 3, an outer air chamber panel 4, and an outer air chamber panel reinforcing cross member 5; referring to fig. 1 to 4, a rear end portion of the air chamber outer panel 4 is connected to a lower end portion of the air chamber outer panel reinforcement cross member 5, and a front end portion of the air chamber outer panel 4 is fixedly overlapped with the dash panel 3; the front end part of the lower windshield cross beam 1 is fixedly lapped on the upper end part of the front coaming 3, the rear end part of the lower windshield cross beam 1 is connected with the front end of the wiper support 2, and the rear end of the wiper support 2 is connected with the air chamber outer plate reinforcing cross beam 5; the side of the wiper support 2 is provided with a first supporting leg 21 connected with the dash panel 3 and a second supporting leg 22 connected with the air chamber outer panel 4.

Specifically, referring to fig. 2 to 4, a stable closed loop structure is formed between the rear end of the wiper support 2, the air chamber outer plate reinforcing cross bar 5, the air chamber outer plate 4 and the second support leg 22 at the rear part of the wiper support 2, so that the stability of the wiper support 2 is improved, and the vibration deformation of the wiper support 2 is limited; the first supporting leg 21 of the wiper support 2 is connected with the front wall panel 3, the front wall panel 3 is vertically arranged in front of the outer plate 4 of the air chamber in the vehicle, the first supporting leg 21 can also limit the vibration deformation of the wiper support 2, and the stability of the wiper support 2 is further improved; when the wiper support 2 has enhanced stability, the rear end part of the lower windshield cross beam 1 is connected with the front end of the wiper support 2, and at the moment, the vibration deformation of the lower windshield cross beam 2 is eliminated or weakened by the wiper support 2, so that the lower windshield cross beam 1 cannot resonate in the driving process of the automobile, the noise in the automobile is reduced, and the comfort of passengers is improved. In addition, the lower crossbeam 1 of the windshield in the embodiment is in an opening structure form, so that the guarantee score is not influenced.

In some embodiments of the present invention, as shown in fig. 4, the wiper support 2 further includes a support main body 23, a third supporting leg 24 disposed at a front end of the support main body 23 and connected to a rear end portion of the windshield lower cross beam 1, and a fourth supporting leg 25 disposed at a rear end of the support main body 23 and connected to the air chamber outer panel reinforcing cross beam 5; the first support legs 21 are symmetrically arranged on the left side and the right side of the support main body 23, and the second support legs 22 are symmetrically arranged on the left side and the right side of the support main body 23. The plurality of support legs of the wiper blade support 2 are respectively connected with different parts, so that the parts are stably connected.

In some embodiments of the present invention, please refer to fig. 2 and 3, the dash panel 3 includes an upper dash panel 31 and a lower dash panel 32, the upper dash panel 31 and the lower dash panel 32 are fixedly overlapped, two overlapped portions are disposed between the upper dash panel 31 and the lower dash panel 32, and the upper dash panel 31 and the lower dash panel 32 form a cavity structure 33 between the two overlapped portions. The cavity structure 33 increases the rigidity of the front wall panel 3, and when the automobile runs, the deformation of the front wall panel can be reduced, so that the shape of the wiper support 2 connected with the front wall panel is stable, the deformation of the lower windshield cross beam 1 connected with the wiper support 2 can be reduced, and the noise generated by the lower windshield cross beam 1 can be reduced.

In some embodiments of the present invention, please refer to fig. 4, a wiper mounting portion 26 is disposed in the middle of the bracket body, and two collapsing portions are disposed on the front and rear sides of the wiper mounting portion 26, and the two collapsing portions are respectively located at the root of the third supporting leg 24 and the root of the fourth supporting leg 25. The crumple part comprises a concave part 27 and a crumple hole 28, and when an automobile collides, the crumple part can crush and absorb energy, so that the lower cross beam 1 of the windshield window deforms together with the wiper support 2 when the lower cross beam receives the collision force, and the safety of pedestrians is guaranteed.

In some embodiments of the present invention, please refer to fig. 2 and fig. 3, the rear end of the lower wind window beam 1 is connected to the front end of the wiper support 2 by means of the bolt and nut, and the bolt and nut cooperate to make the connection between the lower wind window beam 1 and the wiper support 2 have a certain adjustment amount, so as to avoid installation errors during welding.

In some embodiments of the present invention, as shown in fig. 2, the lower end of the air chamber outer panel reinforcement beam 5 forms a first flange which is fixedly overlapped with the rear end of the air chamber outer panel 4. The connection is more stable by adopting a flanging fixing and lapping mode.

In some embodiments of the present invention, as shown in fig. 2 to 4, a second flange is formed at a front end portion of the air chamber outer plate 4, and the second flange is connected to a region of the upper front surrounding plate 31 below the cavity structure 33; the first leg 21 is connected to the upper dash panel 31 in a region above the cavity structure 33. The cavity structure 33 enhances the rigidity of the dash panel 3, and the deformation of the dash panel 3 can be reduced during the running, so that the stability of the front end parts of the first support leg 21 and the air chamber outer panel 4 of the wiper support 2 connected to the upper end and the lower end of the cavity structure 33 is enhanced, and the first support leg 21, the support main body 23, the second support leg 22, the air chamber outer panel 4 and the dash panel 3 form a closed annular structure, so that the air chamber has certain stability as a whole.

As shown in fig. 4, the root of the first leg 21 is located at the front of the side of the bracket main body 23, and the root of the second leg 22 is located at the rear of the side of the bracket main body 23.

To sum up, the embodiment of the utility model provides an in the air chamber structure, windscreen wiper support 2, form a stable closed loop structure between preceding bounding wall 3 and the air chamber planking 4, windscreen wiper support 2, also form a stable closed loop structure between air chamber planking 4 and the air chamber planking stiffening beam 5, make windscreen wiper support 2 have very strong stability when the car is gone, thereby make the vibration deformation of the wind window bottom end rail 1 of being connected with windscreen wiper support 2 when the car is gone weaken, the noise that has reduced wind window bottom end rail 1 and produced, passenger's travelling comfort has been improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An air chamber structure is characterized by comprising a lower air window cross beam, a wiper support, a front wall plate, an outer air chamber plate and an outer air chamber plate reinforcing cross beam; the rear end part of the air chamber outer plate is connected with the lower end part of the air chamber outer plate reinforcing cross beam, and the front end part of the air chamber outer plate is fixedly lapped on the front panel; the front end part of the lower wind window cross beam is fixedly lapped on the upper end part of the front wall plate, the rear end part of the lower wind window cross beam is connected with the front end of the wiper support, and the rear end of the wiper support is connected with the air chamber outer plate reinforcing cross beam; the side of the wiper support is provided with a first supporting leg connected with the front wall plate and a second supporting leg connected with the outer plate of the air chamber.

2. The air chamber structure according to claim 1, wherein said wiper blade holder further comprises a holder main body, a third leg provided at a front end of said holder main body and connected to a rear end portion of said lower louver beam, a fourth leg provided at a rear end of said holder main body and connected to said air chamber outer panel reinforcing beam; the left and right sides symmetry of support main part is provided with first stabilizer blade, the left and right sides symmetry of support main part is provided with the second stabilizer blade.

3. The air chamber structure according to claim 1, wherein the dash panel comprises an upper dash panel and a lower dash panel, the upper dash panel and the lower dash panel are fixedly overlapped, two overlapped portions are provided between the upper dash panel and the lower dash panel, and the upper dash panel and the lower dash panel form a cavity structure between the two overlapped portions.

4. The air chamber structure according to claim 2, wherein a wiper mounting portion is provided at a middle portion of the holder main body.

5. The air chamber structure according to claim 2, wherein a crushed portion is provided in a portion of the holder main body near the third leg, and the crushed portion is also provided in a portion of the holder main body near the fourth leg.

6. The air chamber structure of claim 5, wherein the crush portion comprises a dimple and a crush hole disposed within the dimple.

7. The air chamber structure according to claim 1, wherein the rear end portion of the lower windshield cross member is connected to the front end of the wiper holder by means of bolt and nut fitting.

8. The air chamber structure according to claim 1, wherein a lower end portion of the air chamber outer panel reinforcing cross member is formed with a first flange which is fixedly overlapped with a rear end portion of the air chamber outer panel.

9. The air chamber structure according to claim 3, wherein a second flange is formed at a front end portion of the air chamber outer panel, and the second flange is connected to a region of the upper dash panel below the cavity structure; the first support leg is connected with the area, located above the cavity structure, of the upper front coaming.

10. The air chamber structure of claim 2, wherein the root of the first leg is forward of the side of the bracket body and the root of the second leg is aft of the side of the bracket body.