CN215436644U

CN215436644U - Threshold roof beam overlap joint structure and vehicle in car

Info

Publication number: CN215436644U
Application number: CN202121157792.5U
Authority: CN
Inventors: 游敏; 文显洋; 赵明
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-07
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses an automobile inner threshold beam lap joint structure and an automobile, and the automobile inner threshold beam lap joint structure comprises a first inner threshold beam and a second inner threshold beam lapped with the rear end of the first inner threshold beam, wherein the front end of the first inner threshold beam is provided with an X-direction lap joint surface fixedly connected with a front wall plate, the upper part of the outer side of the first inner threshold beam is provided with a first Y-direction lap joint surface fixedly connected with an A-pillar inner plate, the lower part of the inner side of the first inner threshold beam is provided with a second Y-direction lap joint surface fixedly connected with a front floor, and the lower part of the outer side of the first inner threshold beam and an outer lining plate at the rear section of an engine cabin boundary beam are encircled to form a cavity. The connection is stable and reliable, the structural platformization of the front section of the inner threshold beam can be guaranteed, and meanwhile, the generalization of the front wall plate can be guaranteed.

Description

Threshold roof beam overlap joint structure and vehicle in car

Technical Field

The utility model relates to an automobile body threshold lapping structure, in particular to an automobile inner threshold beam lapping structure and an automobile.

Background

The platform development of the automobile not only can greatly shorten the development period and reduce the development cost, but also can improve the product reliability. For the car body, the design principle of the platform is as follows: under the premise of comprehensively considering various system requirements, regulations, manufacturing processes and the like, the vehicle body framework is developed and designed according to the highest standard requirements and limiting conditions, and the combined configuration of parts can be flexibly and freely changed under the condition of low standard requirements.

Referring to fig. 1, the lower side of the existing threshold beam front section 7 of the existing vehicle type is provided with the curve lapping part 71 of the existing front wall plate 8 corresponding to the lapping fit, the lapping mode has X-direction lapping and Z-direction lapping, the lapping requirement of the front wall plate of the specific vehicle type can only be met, and the design idea of part modularization cannot be adapted.

Disclosure of Invention

The utility model aims to provide an automobile inner threshold beam lap joint structure and a vehicle, which are stable and reliable in connection, can ensure the structural platformization of the front section of an inner threshold beam and can also ensure the generalization of a front wall plate.

The automobile inner threshold beam lap joint structure comprises a first inner threshold beam and a second inner threshold beam lapped with the rear end of the first inner threshold beam, wherein an X-direction lap joint surface fixedly connected with a front wall plate is arranged at the front end of the first inner threshold beam, a first Y-direction lap joint surface fixedly connected with an A-pillar inner plate is arranged at the upper part of the outer side of the first inner threshold beam, a second Y-direction lap joint surface fixedly connected with a front floor is arranged at the lower part of the inner side of the first inner threshold beam, and the lower part of the outer side of the first inner threshold beam and an outer lining plate at the rear section of an engine compartment boundary beam are encircled to form a cavity.

Further, the transversal U type of personally submitting of threshold roof beam in first, the opening is towards the automobile body outside, including roof, bottom plate and the curb plate of connecting roof and bottom plate, the curb plate front end is equipped with the first turn-ups that extends outwards, and the roof front end is equipped with the second turn-ups that extends up to the turn-ups of first turn-ups and second turn-ups's leading flank is as X to the faying surface.

Further, the tip that the roof is close to the automobile body outside is equipped with the third turn-ups that extends up to the medial surface of third turn-ups is as first Y to the faying surface.

Furthermore, a fourth flanging extending downwards is arranged at the end part of the bottom plate close to the outer side of the vehicle body, and the outer side face of the fourth flanging is fixedly connected with the outer lining plate of the rear section of the side beam of the engine compartment.

A vehicle comprises an inner threshold assembly, wherein the inner threshold assembly comprises the automobile inner threshold beam lap joint structure.

The X direction, the Y direction and the Z direction respectively refer to the front and back direction, the left and right direction and the up and down direction of the whole vehicle.

According to the utility model, the front end of the first inner threshold beam is fixedly connected with the front wall plate through the X-direction lap joint surface, and when different requirements of different vehicle types of the same platform on the threshold height are met, the inner threshold beam can be adjusted up and down, so that the structural platformization of the front section of the inner threshold beam is ensured, and the generalization of front wall plate parts is also ensured. And because first interior threshold roof beam and front wall board adopt X to overlap joint, simplified part overlap joint structure, improved assembly accuracy and efficiency.

Drawings

FIG. 1 is a schematic view of a lap joint construction of a prior art rocker beam;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of a first inner rocker beam according to the utility model;

FIG. 5 is a schematic cross-sectional view of the present invention;

FIG. 6 is a schematic sectional view A-A of FIG. 5;

in the figure, 1-first interior threshold roof beam, 11-roof, 12-bottom plate, 13-curb plate, 14-first turn-ups, 15-second turn-ups, 16-third turn-ups, 17-fourth turn-ups, 2-second interior threshold roof beam, 3-preceding wallboard, 4-A post inner panel, 5-preceding floor, 6-engine cabin boundary beam back end outer liner board, 7-current threshold roof beam anterior segment, 71-curve overlap joint portion, 8-current preceding wallboard.

Detailed Description

The present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 2 to 6, threshold roof beam overlap joint structure in car shown, including first interior threshold roof beam 1 and with threshold roof beam 2 in the lapped second of 1 rear ends of first interior threshold roof beam, 1 front end of first interior threshold roof beam is equipped with the X of 3 welded fastening of preceding wallboard to faying face, and 1 outside upper portion of first interior threshold roof beam is equipped with the first Y of 4 welded fastening of A post inner panel to faying face, and the inboard lower part is equipped with the second Y of 5 welded fastening of preceding floor to faying face, and the outside lower part surrounds with the outer liner 6 of engine compartment boundary beam back end and forms the cavity.

1 transversal U type of personally submitting of threshold roof beam in first, the opening is towards the automobile body outside, including roof 11, bottom plate 12 and the curb plate 13 of connecting roof 11 and bottom plate 12, curb plate 13 front end is equipped with the first turn-ups 14 that extends outwards, and roof 11 front end is equipped with the second turn-ups 15 that extends up to regard as X to the faying face with the leading flank of first turn-ups 14 and second turn-ups 15, leaves on wallboard 3 in the front and corresponds the effective faying face of complex with X to the faying face, does benefit to first threshold roof beam 1 and carries out upper and lower position control for preceding wallboard 3, and then has satisfied the different demands of the different motorcycle types of same platform to threshold height, has both guaranteed the structural platform ization of interior threshold roof beam anterior segment, has also guaranteed the universalization of preceding wallboard part simultaneously. In order to ensure flexibility in assembling parts by the welding process, the included angle alpha between the plane of the first flanging 15 and the top plate 11 is set to 97 degrees.

The end part of the top plate 11, which is close to the outer side of the vehicle body, is provided with a third flanging 16 extending upwards, and the inner side surface of the third flanging 16 is used as a first Y-direction overlapping surface. The end part of the bottom plate 12 close to the outer side of the vehicle body is provided with a downward extending fourth flanging 17, and the outer side face of the fourth flanging 17 and the outer lining plate 6 of the rear section of the side beam of the engine compartment are welded and fixed to form a cavity.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a threshold roof beam overlap joint structure in car, including first interior threshold roof beam (1) and with threshold roof beam (2) in the lapped second of threshold roof beam (1) rear end in first, its characterized in that: threshold roof beam (1) front end is equipped with X to faying surface with preceding wallboard (3) fixed connection in first interior threshold roof beam (1) outside upper portion be equipped with A post inner panel (4) fixed connection first Y to faying surface, inboard lower part be equipped with preceding floor (5) fixed connection second Y to faying surface, outside lower part and engine compartment boundary beam back end outer liner board (6) surround and form the cavity.

2. The lap joint structure of a rocker beam in a vehicle according to claim 1, wherein: threshold roof beam (1) is the U type in cross section, and the opening is towards the automobile body outside, including roof (11), bottom plate (12) and curb plate (13) of connecting roof (11) and bottom plate (12), curb plate (13) front end is equipped with first turn-ups (14) that extend outwards, and roof (11) front end is equipped with second turn-ups (15) that extend upwards to the leading flank of first turn-ups (14) and second turn-ups (15) is as X to the overlap joint face.

3. The lap joint structure of a rocker beam in a vehicle according to claim 2, wherein: the end part of the top plate (11) close to the outer side of the vehicle body is provided with a third flanging (16) extending upwards, and the inner side surface of the third flanging (16) serves as a first Y-direction lap joint surface.

4. The lap joint structure of a rocker beam in a vehicle according to claim 2, wherein: the end part of the bottom plate (12) close to the outer side of the vehicle body is provided with a fourth flanging (17) extending downwards, and the outer side face of the fourth flanging (17) is fixedly connected with an outer lining plate (6) of the rear section of the side beam of the engine compartment.

5. A vehicle, includes interior threshold assembly, its characterized in that: the inner rocker assembly comprises the automobile inner rocker beam lap joint structure as recited in any one of claims 1 to 4.