CN210000404U

CN210000404U - Rear cross beam of auxiliary frame and auxiliary frame

Info

Publication number: CN210000404U
Application number: CN201920609761.5U
Authority: CN
Inventors: 刘月龙; 王侨林; 董立冬; 曹标; 赵一狄; 邹升阳; 张仕兵
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-31
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a rear beam and sub vehicle frame of kinds of sub vehicle frames, the rear beam includes rear beam inner panel and rear beam planking, the rear beam inner panel with the rear beam planking is connected at the top and is formed the structure of cross section for falling the U-shaped, the top of the structure of falling the U-shaped is fixed with the reinforcing plate in the inboard, and every reinforcing plate is connected respectively on rear beam inner panel and rear beam planking the utility model provides a technical scheme, when reducing the weight of sub vehicle frame, can strengthen the bulk strength and the rigidity of sub vehicle frame, is favorable to the smooth-going of vehicle.

Description

Rear cross beam of auxiliary frame and auxiliary frame

Technical Field

The utility model relates to the technical field of vehicles, in particular to rear cross beam and sub vehicle frame of kinds of sub vehicle frames.

Background

In the prior art, the auxiliary frames are arranged on a plurality of vehicles, the auxiliary frames are middle buffer bodies connected with the vehicle body in a hanging mode, the auxiliary frames are very important safety and bearing parts in passenger vehicles, vibration and noise of a rear driving unit can be isolated, direct entering of the rear driving unit into a carriage is reduced, meanwhile, the auxiliary frames bear various forces and moments in the driving process of the vehicles, along with improvement of the requirements of people on operation and comfort, the requirements of people are met due to the appearance of multi-link suspensions, various control arm components are firstly assembled on the auxiliary frames to form suspension assemblies, and then the auxiliary frames are installed on the vehicle body.

Since the subframe is connected to various control arms and the like and is subjected to various forces and moments, the subframe needs to have sufficient rigidity and strength, and particularly, the rear cross beam of the subframe puts higher demands on the rigidity and strength of the subframe.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention aims to provide a rear cross member of kinds of sub frames and a sub frame, so as to increase the rigidity and strength of the sub frame while reducing the weight of the sub frame.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model discloses aspect provides the rear beam of kinds of sub vehicle frames, the rear beam includes rear beam inner panel and rear beam planking, the rear beam inner panel with the rear beam planking is connected at the top and is formed the structure of cross section for falling the U-shaped, the top of the structure of falling the U-shaped is fixed with the reinforcing plate in the inboard, and every reinforcing plate is connected respectively on rear beam inner panel and rear beam planking.

, the reinforcing plates include a middle reinforcing plate located at the middle of the rear cross member and th and second reinforcing plates located at both sides of the middle reinforcing plate.

, a mounting hole for mounting a stabilizer bar is arranged on the outer plate of the rear cross beam.

, convex bosses are respectively arranged on the outer plate of the rear cross beam close to the two ends, and the mounting holes are arranged on the bosses.

, a projection welding nut corresponding to the mounting hole and used for matching with a bolt to mount the stabilizer bar is arranged on the inner side of the outer plate of the rear cross beam.

And , second mounting holes which penetrate through the outer plate and the inner plate of the rear cross beam and are used for mounting a rear cross arm are respectively arranged on two sides of the middle part of the rear cross beam.

, two sides of the second mounting hole are respectively provided with a limit boss for limiting, and/or,

and a median line for adjusting the parameters of the wheels is arranged at the top of the second mounting hole.

, the middle part of the rear cross beam is provided with lightening holes which penetrate through the outer plate and the inner plate of the rear cross beam, and/or,

the middle part of the top of the rear cross beam is concave downwards and the middle part of the bottom of the rear cross beam is concave upwards.

The utility model provides a technical scheme, buckle at play and form the back beam at the inboard mode that sets up the reinforcing plate in the top through setting up back beam inner panel and back beam planking, not only can reduce the weight of back beam, thereby reduce the weight of sub vehicle frame, and can improve the bulk rigidity and the intensity of back beam, can make the sub vehicle frame can bear the power and the moment of vehicle driving in-process, and provide reliable erection bracing for parts such as each control arm and stabilizer bar, thereby be favorable to promoting the ride comfort that the vehicle travel.

According to the utility model discloses an in aspects in addition, still provide kinds of sub vehicle frames, the sub vehicle frame includes front beam, rear beam and connects the front beam with two longerons of rear beam, wherein, the rear beam adopts as above the rear beam.

, an upper control arm mounting bracket for connecting the upper control arm and a lower control arm mounting bracket for mounting the lower control arm are arranged on the longitudinal beam.

Compared with the prior art, the auxiliary frame has the same advantages as the rear cross beam in the prior art, and the description is omitted.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which form part of the present invention, are provided to provide an understanding of the present invention with respect to step , the exemplary embodiments of the present invention and their description are intended to explain the present invention without forming an undue limitation on the invention.

Fig. 1 is a schematic structural view of rear cross members of an subframe according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the rear cross member as viewed from A in FIG. 1;

FIG. 3 is an exploded view of the rear cross member of FIG. 1;

fig. 4 is a schematic structural diagram of an subframe according to the present invention.

Description of reference numerals:

1-rear cross beam, 2-front cross beam, 3-longitudinal beam, 11-rear cross beam outer plate, 12-rear cross beam inner plate, 13-middle reinforcing plate, 14- th reinforcing plate, 15-second reinforcing plate, 16- th mounting hole, 17-boss, 18-second mounting hole, 19-limiting boss, 20-median line, 21-lightening hole, 31-upper control arm mounting bracket, 32-lower control arm mounting bracket and 33-bushing outer tube.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.

Thus, a feature defined as "", "second" may explicitly or implicitly include at least of that feature.

The utility model provides a rear beam of kinds of sub vehicle frames, as shown in fig. 1-3, this rear beam includes rear beam inner panel 12 and rear beam planking 11, rear beam inner panel 12 and rear beam planking 11 are connected at the top and are formed the structure of cross section for falling the U-shaped, the top of the structure of falling the U-shaped is fixed with the reinforcing plate in the inboard, and every reinforcing plate is connected respectively on rear beam inner panel 12 and rear beam planking 11 wherein this rear beam when being applied to the sub vehicle frame, and rear beam inner panel 12 is located the position of the front beam that is close to the sub vehicle frame, and rear beam planking 11 is in the position of the front beam of keeping away from the sub vehicle frame.

The utility model discloses a set up rear frame inner panel 12 and rear frame outer panel 11 and detain play and form the rear frame at the inboard mode that sets up the reinforcing plate in top, not only can reduce the weight of rear frame, thereby reduce the weight of sub vehicle frame, and can improve the bulk rigidity and the intensity of rear frame, can make the sub vehicle frame can bear the power and the moment of vehicle driving in-process, and for each control arm, parts such as stabilizer bar provide reliable erection bracing, thereby be favorable to promoting the ride comfort that the vehicle travel.

In the preferred embodiments of the present invention, as shown in fig. 2, this fig. 2 is the structure of the rear cross beam viewed from below (i.e. viewed from a in fig. 1), the rear cross beam inner plate 12 and the rear cross beam outer plate 11 of the rear cross beam are fixed with a plurality of reinforcing plates at the top inner side, the plurality of reinforcing plates include a middle reinforcing plate 13 located at the middle portion of the rear cross beam and reinforcing plates 14 and second reinforcing plates 15 located at both sides of the middle reinforcing plate 13, reinforcing plates 14 and second reinforcing plates 15 are respectively fixed at the position where the rear cross beam outer plate 11 and the rear cross beam inner plate 12 are spliced, and each reinforcing plate is respectively connected to the rear cross beam 11 and the rear cross beam inner plate 12 to reinforce the connection of the rear cross beam outer plate 11 and the rear cross beam inner plate 12.

In the present embodiment, the rear cross member outer panel 11 is provided with an th attachment hole 16 for attaching a stabilizer bar.

As shown in FIG. 1, the rear cross member is provided with th mounting holes 16 at opposite ends thereof, and preferably, two th mounting holes 16 are provided at each end thereof.

The utility model provides a technical scheme fixes the stabilizer bar on the rear cross beam through mounting hole 16, can save the required installing support that is used for installing the stabilizer bar that sets up when fixing the stabilizer bar on the longeron among the prior art, reduced the quantity of spare part to be favorable to alleviateing the weight and the reduce cost of vehicle.

Preferably, the rear cross beam outer plate 11 is provided with convex bosses 17 near the two ends, respectively, and the th mounting hole 16 is formed in the bosses 17. by providing the bosses 17, not only can the accuracy of the mounting surface when mounting the stabilizer bar be ensured, but also the strength of the rear cross beam outer plate 11 is improved.

For the convenience of installation, it is preferable that the inner side of the rear cross member outer panel 11 is provided with a projection nut corresponding to the -th mounting hole 16, and the projection nut is used for fitting a bolt to mount the stabilizer bar when the stabilizer bar is mounted.

In the present embodiment, the -th reinforcing plate 14 and the second reinforcing plate 15 preferably correspond to the locations of the -th mounting holes 16 at both ends, respectively, so as to contribute to reinforcing the mounting location of the stabilizer bar and prevent deformation.

As shown in fig. 1 and 3, second mounting holes 18 for mounting the rear cross bar are provided on both sides of the middle portion of the rear cross bar, respectively, and penetrate through the rear cross bar outer panel 11 and the rear cross bar inner panel 12, and the second mounting holes 18 are located closer to the middle portion of the rear cross bar than the -th mounting holes 16, wherein the second mounting holes 18 are elongated holes extending in the transverse direction.

In order to adjust parameters such as a toe-in angle of the wheel conveniently through the eccentric bolt installed in the second installation hole 18, limiting bosses 19 for limiting are respectively arranged on two sides of the second installation hole 18 so as to limit an adjusting gasket of the eccentric bolt. In addition, a neutral line 20 for adjusting the wheel parameters is provided at the top of the second mounting hole 18.

Preferably, as shown in fig. 3, the outer side surfaces of the rear cross beam outer plate 11 and the rear cross beam inner plate 12 are respectively provided with a limit boss 19 and a median line 20, so that the wheel parameters can be adjusted on both sides of the rear cross beam.

In addition, in the present embodiment, to further reduce the weight of the subframe, the center portion of the rear cross member is provided with lightening holes 21, and the center portion of the top portion of the rear cross member is recessed and the center portion of the bottom portion of the rear cross member is recessed to minimize the weight of the subframe while ensuring the rigidity of the rear cross member.

According to the utility model discloses an in aspects in addition, still provide kinds of sub vehicle frames, as shown in fig. 4, the sub vehicle frame includes front beam 2, rear beam 1 and connects front beam 2 with two longerons 3 of rear beam 1, front beam 2, rear beam 1 and two longerons 3 form "well" font structure, wherein, rear beam 1 adopts as above the rear beam.

The four ends of the connecting vehicle body of the auxiliary frame in the structure like the Chinese character 'jing' are respectively provided with a bushing outer pipe 33 for installing a bushing to play a role in damping the connection of the auxiliary frame and the vehicle body.

Preferably, the side members 3 of the subframe are provided with upper control arm mounting brackets 31 for attaching upper control arms and lower control arm mounting brackets 32 for mounting lower control arms.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

The rear cross beam of kinds of sub vehicle frames is characterized in that, the rear cross beam includes rear cross beam inner panel (12) and rear cross beam planking (11), rear cross beam inner panel (12) with rear cross beam planking (11) are connected and are formed the structure that the cross section is the shape of falling U at the top, the top of the structure of falling U is fixed with the reinforcing plate in the inboard, and every reinforcing plate is connected respectively on rear cross beam inner panel (12) and rear cross beam planking (11).
2. Rear cross member according to claim 1, characterized in that the reinforcement panels comprise a middle reinforcement panel (13) in the middle of the rear cross member and th and second reinforcement panels (14, 15) on both sides of the middle reinforcement panel (13).
3. The rear cross member according to claim 2, wherein the rear cross member outer plate (11) is provided with an -th mounting hole (16) for mounting a stabilizer bar.
4. The rear cross member according to claim 3, wherein the rear cross member outer plate (11) is provided with convex bosses (17) near both ends, and the -th mounting holes (16) are provided on the bosses (17).
5. The rear cross member according to claim 3, wherein the rear cross member outer plate (11) is provided on an inner side thereof with projection nuts for fitting bolts to mount the stabilizer bar corresponding to the -th mounting holes (16).
6. The rear cross member according to any of claims 1-5, wherein the rear cross member is provided with second mounting holes (18) for mounting a rear cross arm, which penetrate through the rear cross member outer plate (11) and the rear cross member inner plate (12), on both sides of the middle portion of the rear cross member.
7. The rear cross beam of claim 6, wherein limiting bosses (19) for limiting are respectively arranged on two sides of the second mounting hole (18); and/or the presence of a gas in the gas,

and a median line (20) for adjusting the parameters of the wheel is arranged at the top of the second mounting hole (18).
8. Rear cross member according to of any one of claims 1-5, characterized in that the rear cross member is provided at its middle portion with lightening holes (21) penetrating the outer rear cross member panel (11) and the inner rear cross member panel (12) and/or,

the middle part of the top of the rear cross beam is concave downwards and the middle part of the bottom of the rear cross beam is concave upwards.
sub-frame, characterized in that it comprises a front cross member (2), a rear cross member (1) and two longitudinal members (3) connecting the front cross member (2) and the rear cross member (1), wherein the rear cross member (1) is a rear cross member according to any of claims 1-8.
10. The subframe of claim 9 wherein said side member (3) is provided with an upper control arm mounting bracket (31) for attaching an upper control arm and a lower control arm mounting bracket (32) for mounting a lower control arm.