CN210174967U

CN210174967U - Auxiliary frame positioning structure and automobile with same

Info

Publication number: CN210174967U
Application number: CN201920637538.1U
Authority: CN
Inventors: Yun Chen; 陈云; Pengdong Xi; 席鹏东; Qingwei Yang; 杨庆威
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-03-24
Anticipated expiration: 2029-05-06

Abstract

The utility model provides a sub vehicle frame location structure, include the sub vehicle frame and locate the locating support on the sub vehicle frame, the sub vehicle frame is including the longeron that is located the vehicle both sides and violently locate crossbeam on the longeron, the locating support rigid coupling in the rear end portion of longeron. The utility model discloses still relate to a car, set up the locating support through the rear end at the longeron to reduce the assembly degree of difficulty when guaranteeing positioning accuracy at the in-process of sub vehicle frame location structure and automobile body installation.

Description

Auxiliary frame positioning structure and automobile with same

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a sub vehicle frame location structure and car that has this structure.

Background

The sub-frame, as a connection unit of the vehicle body and the wheel system, bears the force and moment transmitted by the chassis, and simultaneously plays a role in isolating vibration and noise, so that the sub-frame plays an important role in a suspension system. The subframe is divided into a full-frame subframe and a half-frame subframe according to the structural form, and the half-frame subframe is mostly applied to a front suspension system and the full-frame subframe is mostly applied to a rear suspension system due to the chassis layout factor.

Due to the structural characteristics of the full-frame type auxiliary frame, the full-frame type auxiliary frame is mostly applied to a multi-connecting-rod suspension system, and the auxiliary frame is mostly provided with connecting structures such as a rod system and a swing arm.

Fig. 1 is a schematic structural diagram of an auxiliary frame structure in the prior art, the auxiliary frame is a full-frame auxiliary frame structure formed by longitudinal beams 1 and cross beams 2, a front cross beam 2a and the longitudinal beams 1 are formed by tailor welding through a bent pipe structure, and a rear cross beam 2b is formed by tailor welding through metal plates.

In the prior art, the auxiliary frame positioning structure utilizes the sleeve protruding part at the mounting point of the vehicle body and the mounting hole reserved in the vehicle body for matching and positioning, and has high requirements on the size precision and the welding precision of a tubular beam of the auxiliary frame, high process difficulty and high rejection rate.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a subframe positioning structure and a vehicle having the same, which can reduce the difficulty of installation and ensure the accuracy of installation.

The utility model provides a sub vehicle frame location structure, include the sub vehicle frame and locate the locating support on the sub vehicle frame, the sub vehicle frame is including the longeron that is located the vehicle both sides and violently locate crossbeam on the longeron, the locating support rigid coupling in the rear end portion of longeron.

In a specific embodiment, the positioning bracket is formed by stamping and is fixed at the rear end part of the longitudinal beam by welding.

In a specific embodiment, the positioning bracket includes a base plate, a first flange disposed at an edge of the base plate, and a second flange adjacent to the first flange, the first flange and the second flange are formed by extending an outer surface of the base plate outward, and a rear end of the longitudinal beam is fixedly connected to a vicinity of a connection between the first flange and the second flange.

In a specific embodiment, the locating support includes main locating support and vice locating support, the base plate is including locating main base plate on the main locating support with locate vice base plate on the vice locating support, be equipped with the main mounting hole of assembly vehicle one side automobile body on the main base plate, be equipped with the vice mounting hole of assembly vehicle opposite side automobile body on the vice base plate, main mounting hole is the circular port, vice mounting hole is waist shape hole.

In a specific embodiment, the cross beam comprises a front cross beam and a rear cross beam, the front cross beam is arranged at the front part of the longitudinal beam, the rear cross beam is arranged at the middle rear part of the longitudinal beam, and the positioning bracket is positioned behind the rear cross beam.

The utility model also provides a car, it includes above sub vehicle frame location structure with assemble in the last automobile body of location structure.

To sum up, the utility model provides a sub vehicle frame location structure adds the locating support through the rear end at the longeron to lay the main mounting hole of circular port and the vice mounting hole in waist shape hole on the locating support, with reduced the assembly degree of difficulty when having guaranteed positioning accuracy at sub vehicle frame location structure and automobile body installation's in-process, and reduced the production technology degree of difficulty of sub vehicle frame.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a subframe structure according to the prior art;

fig. 2 is a schematic structural view of an embodiment of the subframe positioning structure of the present invention;

FIG. 3 is a schematic structural view of the mounting bracket of FIG. 2;

fig. 4 is a schematic structural diagram of fig. 2 from another view angle.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 2, the present invention provides a subframe positioning structure, which comprises a subframe 10 and a positioning bracket 20 disposed on the subframe 10.

The subframe 10 includes longitudinal beams 11 located on both sides of the vehicle and a cross beam 12 transversely disposed on the longitudinal beams 11, wherein a positioning bracket 20 is fixedly connected to a rear end portion of the longitudinal beams 11, and the positioning bracket 20 is located behind the cross beam 12.

The utility model discloses in, locating support 20 is through welded fastening in the back tip of longeron 11, the utility model discloses an adopt solitary locating support 20, and utilize anchor clamps at locating support 20 welded in-process to guarantee the precision of its location benchmark, reduce the disability rate when reducing the welding degree of difficulty of whole sub vehicle frame.

As shown in fig. 3, in a specific embodiment provided by the utility model, locating support 20 includes base plate 21, locates the first turn-ups 22 of a marginal on base plate 21 and the second turn-ups 23 adjacent with first turn-ups 22, and first turn-ups 22 and second turn-ups 23 are formed by the surface of base plate 21 outwards extending, and the rear end rigid coupling of longeron 11 is near the junction of first turn-ups 22 and first turn-ups 22 with second turn-ups 23, the utility model provides a locating support 20 is stamping forming, and has still designed on locating support 20 and strengthen the turn-ups to effectively guarantee locating support 20's intensity and with automobile body, sub vehicle frame 10's installation strength.

With further reference to fig. 4, the middle positioning bracket 20 of the present invention further includes a main positioning bracket 20a and a sub positioning bracket 20b (refer to fig. 2 and fig. 4 with emphasis), the base plate 21 includes a main base plate disposed on the main positioning bracket 20a and a sub base plate disposed on the sub positioning bracket 20b, the main base plate is provided with a main mounting hole 211 for assembling a body on one side of the vehicle, the sub base plate is provided with a sub mounting hole 212 for assembling a body on the other side of the vehicle, the main mounting hole 211 is a circular hole, the sub mounting hole 212 is a kidney-shaped hole (refer to fig. 4 with emphasis), so that during the installation of the mounting bracket 20, the assembly accuracy of the subframe 10 and the body is ensured by the main mounting hole 211 of the circular hole, and then the sub mounting hole 212 of the kidney-shaped hole is used to offset the tolerance (especially the tolerance when the mounting hole 211 is assembled with the subframe 10) when the subframe 10 is welded integrally, the assembly difficulty is reduced.

It can be understood that the positions of the main positioning bracket 20a and the auxiliary positioning bracket 20b are not limited to the specific positions in fig. 2, and they can also be reversed left and right, that is, the main mounting holes 211 on the main positioning bracket 20a and the main positioning bracket 20a are located at the positions of the auxiliary positioning bracket 20b and the auxiliary mounting holes 212 on the auxiliary positioning bracket 20b in fig. 2, and the auxiliary mounting holes 212 on the auxiliary positioning bracket 20b and the auxiliary positioning bracket 20b are located at the positions of the main mounting holes 211 on the main positioning bracket 20a and the main positioning bracket 20a in fig. 2, so as to ensure that the circular main mounting hole 211 on the main positioning bracket 20a is mounted first, and the auxiliary mounting hole 212 of the waist-shaped hole on the auxiliary positioning bracket 20b is mounted later, so as to ensure that the subframe 10 is assembled smoothly.

Referring to fig. 2 and 4 again, in the present invention, the height of the front end of the longitudinal beam 11 at the two sides of the vehicle is lower than the height of the rear end of the longitudinal beam 11, and the longitudinal beam 11 is in an S-shaped structure; crossbeam 12 includes front beam 12a and rear beam 12b, front beam 12a locates the front portion of longeron 11, front beam 12 a's both ends are higher than the middle part, that is, front beam 12 is "concave" shape trend, and longeron 11 welds in front beam 12 a's the department of bending, can increase longeron 11 and front beam 12 a's area of contact, effectively promote welding strength, simultaneously because longeron 11 and front beam 12 a's welding point is located front beam 12 a's turning point department, make front beam 12a can carry out high-efficient support to whole sub vehicle frame's vertically, effectively reduce the impact.

The utility model discloses utilize arranging the trend of longeron 11 and crossbeam 12, select reasonable tailor-welded position, can effectively promote rigid coupling intensity between them, reduce the rigidity demand to crossbeam 12, still promote the structural utilization rate of tubular beams (longeron 11 and crossbeam 12) when promoting the lightweight.

In the present invention, the rear cross member 12b is provided at the rear-middle portion of the longitudinal beam 11. In a preferred embodiment, a first mounting point for mounting a vehicle body is welded at the rear end (higher end) of the longitudinal beam 11, and a second mounting point for mounting the vehicle body is welded at the concave part between the two ends of the front cross beam 12a, the utility model discloses utilize the space staggered arrangement to make full use of the mounting function of the auxiliary frame, effectively promote the utilization ratio of the auxiliary frame; just the utility model discloses in, first mounting point and second mounting point are the installation sleeve pipe to be used for with the assembly of automobile body.

More specifically, the rear cross member 12b includes a sheet metal portion formed by tailor welding two transverse sheet metals and a reinforcing portion located at the bottom of the sheet metal portion; specifically, the utility model discloses an it is integrative to weld through the welding seam in the upper end of two horizontal panel beating to guarantee the rigidity and the intensity of crossbeam 12 itself, and then ensure the shock resistance among the vehicle operation process. In a preferred embodiment provided by the utility model, because the strength of the end part and the middle part of the metal plate part is smaller, the welding seam comprises a middle welding seam and an end welding seam which are positioned at the middle part and the two end parts above the metal plate part, so that the weight of the whole welding seam is reduced as much as possible, the light weight level is ensured, and the structural strength of the rear cross beam 12b is ensured; accordingly, the reinforcement portion further includes three reinforcement plates laid in the middle section and both end sections of the bottom portion of the sheet metal portion (lower in fig. 2, also the bottom portion of the base portion) to further optimize the strength or rigidity of the cross member 12.

More in detail, the whole sheet metal part that is "L" shape structure that is, also is of after 12b tailor-welded of rear frame member, the sheet metal part is including the first panel metal that is located the panel metal upper end and the second panel metal that is located the first panel metal of side and the first panel metal of perpendicular to of first panel metal, and the upper end of first panel metal is straight, and the design has the passageway that is used for car components such as blast pipe to pass on the second panel metal, the utility model provides an in a concrete embodiment, the passageway is the better class "arch bridge" structure of structural strength to be used for passing of car components such as blast pipe.

The utility model discloses a design into "fan-shaped" structure with rear beam 12 b's both ends to increase rear beam 12 b's both ends and longeron 11's area of contact, promote the intensity of welding department by a wide margin, guarantee whole car intensity.

It can be understood that, in another embodiment provided by the present invention, the sheet metal portion of the rear cross member 12b can be designed into a "U" shaped structure with better strength, and three reinforcing plates are arranged at the positions which need to be reinforced, such as the two ends and the middle, on the rear cross member 12b of the "U" shaped structure, so as to optimize the structure of the rear cross member 12b to the maximum extent. In other specific embodiments, the sheet metal portion 12e may also be a "V" shaped sheet metal structure with other structure strength, which is not described herein in detail. The utility model also relates to a car, including the sub vehicle frame location structure above and with the automobile body of sub vehicle frame location structure assembly.

For the detailed structure and content of the subframe 10 and the positioning bracket 20 on the subframe positioning structure and the assembly of the components of the body of the automobile, reference may be made to the prior art, and details thereof are not described herein.

To sum up, the utility model provides a sub vehicle frame location structure adds the locating support at the rear end of longeron to lay the main mounting hole of circular port and the vice mounting hole in waist shape hole on the locating support, reduced the assembly degree of difficulty in order to have guaranteed positioning accuracy at sub vehicle frame location structure in-process at the installation, and reduced the production technology degree of difficulty of sub vehicle frame.

The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments of equivalent changes within the technical scope of the present invention without departing from the technical scope of the present invention, but any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.

Claims

1. The utility model provides a sub vehicle frame location structure, its characterized in that includes sub vehicle frame (10) and locates locating support (20) on sub vehicle frame (10), sub vehicle frame (10) including lie in longeron (11) of vehicle both sides and violently locate crossbeam (12) on longeron (11), locating support (20) rigid coupling in the rear end portion of longeron (11).

2. The subframe positioning structure according to claim 1, wherein the positioning bracket (20) is formed by press molding, and the positioning bracket (20) is fixed to the rear end portion of the side member (11) by welding.

3. The subframe locating structure according to claim 1, wherein the locating bracket (20) comprises a base plate (21), a first flange (22) arranged at an upper edge of the base plate (21), and a second flange (23) adjacent to the first flange (22), the first flange (22) and the second flange (23) are formed by extending an outer surface of the base plate (21) outwards, and a rear end of the longitudinal beam (11) is fixedly connected to a position near a connection portion of the first flange (22) and the second flange (23).

4. The subframe locating structure according to claim 3, wherein the locating bracket (20) includes a main locating bracket (20a) and a sub-locating bracket (20b), the base plate (21) includes a main base plate provided on the main locating bracket (20a) and a sub-base plate provided on the sub-locating bracket (20b), the main base plate is provided with a main mounting hole (211) for mounting a vehicle body on one side of the vehicle, the sub-base plate is provided with a sub-mounting hole (212) for mounting a vehicle body on the other side of the vehicle, the main mounting hole (211) is a circular hole, and the sub-mounting hole (212) is a kidney-shaped hole.

5. The subframe positioning structure according to claim 1, wherein the cross member (12) includes a front cross member (12a) and a rear cross member (12b), the front cross member (12a) is provided at a front portion of the side member (11), the rear cross member (12b) is provided at a middle rear portion of the side member (11), and the positioning bracket (20) is located rearward of the rear cross member (12 b).

6. An automobile comprising the subframe positioning structure according to any one of claims 1 to 5 and a vehicle body mounted on the subframe positioning structure.