CN210235097U - Rear auxiliary frame and automobile - Google Patents

Rear auxiliary frame and automobile Download PDF

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Publication number
CN210235097U
CN210235097U CN201920706778.2U CN201920706778U CN210235097U CN 210235097 U CN210235097 U CN 210235097U CN 201920706778 U CN201920706778 U CN 201920706778U CN 210235097 U CN210235097 U CN 210235097U
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CN
China
Prior art keywords
longitudinal beam
bracket
cross beam
stabilizer bar
front cross
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CN201920706778.2U
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Chinese (zh)
Inventor
Zhenfeng Wang
王朕峰
Xinmin Huang
黄新敏
Kai Li
李凯
Hongye Zhang
张红业
Xun Wang
王巽
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Abstract

The utility model belongs to the technical field of vehicle chassis, especially, relate to a back sub vehicle frame and car. The rear auxiliary frame comprises a front cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam, a left stabilizer bar bracket and a right stabilizer bar bracket; the left end of the rear cross beam is connected with the rear end of the left longitudinal beam, and the right end of the rear cross beam is connected with the rear end of the right longitudinal beam; the front end of the left longitudinal beam is connected with the left end of the front cross beam, and the front end of the right longitudinal beam is connected with the right end of the front cross beam; the left stabilizer bar bracket is arranged at the lower part of the left longitudinal beam, and the right stabilizer bar bracket is arranged at the lower part of the right longitudinal beam. The utility model meets the requirements of durability, comfort, strength and rigidity of the whole vehicle, enhances the bearing performance, service life and NVH performance of the rear auxiliary frame, and realizes the lightweight of the rear suspension system; meanwhile, the structure is simple, the management of parts is simplified, the die cost is reduced, the cost is saved, the development process is simplified, the development period is shortened, the development investment is reduced, and the development and production efficiency is improved.

Description

Rear auxiliary frame and automobile
Technical Field
The utility model belongs to the technical field of vehicle chassis, especially, relate to a back sub vehicle frame and car.
Background
The rear auxiliary frame of the automobile is an important component in an automobile chassis system, the rear auxiliary frame is connected with parts such as an automobile body and a suspension, excitation such as vibration and noise of a road surface can be reduced, and transmission to the automobile body is achieved, and meanwhile the rigidity of the suspension can be improved, so that the whole automobile has good durability and comfort.
With the development of scientific technology, the requirements of consumers on automobiles are higher and higher, so that how to reduce the product development period, reduce the die sinking cost, reduce the production cost and simplify the product development process becomes the key in the development of the rear auxiliary frame of the automobile on the premise of meeting the durability and comfort of the whole automobile and improving the strength and rigidity characteristics of the whole automobile. The conventional automobile rear auxiliary frame is relatively complex in structure and complex in product development process, so that the quality is difficult to control, the production cost is high, and the manufacturing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to the problem that in the prior art, sub vehicle frame structure is complicated relatively behind the car, provide a back sub vehicle frame and car.
In order to solve the technical problem, on the one hand, an embodiment of the utility model provides a rear subframe, which comprises a front cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam, a left stabilizer bar bracket and a right stabilizer bar bracket; the left end of the rear cross beam is connected with the rear end of the left longitudinal beam, and the right end of the rear cross beam is connected with the rear end of the right longitudinal beam; the front end of the left longitudinal beam is connected to the left end of the front cross beam, and the front end of the right longitudinal beam is connected to the right end of the front cross beam; the left stabilizer bar support is installed on the lower portion of the left longitudinal beam, and the right stabilizer bar support is installed on the lower portion of the right longitudinal beam.
Optionally, the front cross beam, the left longitudinal beam and the right longitudinal beam are all tubular beam structures.
Optionally, the cross sections of the middle parts of the front cross beam, the left longitudinal beam and the right longitudinal beam are circular; the cross sections of the rear end of the left longitudinal beam, the rear end of the right longitudinal beam and the left end and the right end of the front cross beam are flat.
Optionally, mounting holes are formed in the rear end of the left longitudinal beam, the rear end of the right longitudinal beam and the left end and the right end of the front cross beam; the rear end of the left longitudinal beam, the rear end of the right longitudinal beam, and the left end and the right end of the front cross beam are connected with the vehicle body through mounting sleeves or bushings penetrating through the mounting holes.
Optionally, the rear subframe further comprises a left toe-in bracket and a right toe-in bracket; the left toe-in bracket is in lap joint with the lower part of the left end of the front cross beam and the lower part of the front end of the left longitudinal beam; the right toe-in support is in lap joint with the lower portion of the right end of the front cross beam and the lower portion of the front end of the right longitudinal beam.
Optionally, the rear subframe further comprises a left connecting bracket and a right connecting bracket, and the left connecting bracket is connected with the lower part of the left end of the rear cross beam and the lower part of the left toe-in bracket; the right connecting support is connected with the lower part of the right end of the rear cross beam and the lower part of the right toe-in support.
Optionally, the rear subframe further comprises an upper left swing arm support and an upper right swing arm support, the upper left swing arm support and the upper right swing arm support are both located between the front cross beam and the rear cross beam, the upper left swing arm support is connected with the upper portion of the left longitudinal beam, and the upper right swing arm support is connected with the upper portion of the right longitudinal beam.
Optionally, the left longitudinal beam and the right longitudinal beam are symmetrically arranged.
Optionally, the rear cross member is integrally formed.
According to the rear auxiliary frame of the embodiment of the utility model, the left end of the rear cross beam is connected with the rear end of the left longitudinal beam, and the right end of the rear cross beam is connected with the rear end of the right longitudinal beam; the front end of the left longitudinal beam is connected with the left end of the front cross beam, and the front end of the right longitudinal beam is connected with the right end of the front cross beam; therefore, the front cross beam, the rear cross beam, the left longitudinal beam and the right longitudinal beam are connected stably, and the requirements of the whole automobile on durability, comfort, strength and rigidity of the whole automobile can be met.
In the rear auxiliary frame provided by the embodiment of the utility model, the left stabilizer bar bracket is arranged at the lower part of the left longitudinal beam, and the right stabilizer bar bracket is arranged at the lower part of the right longitudinal beam to provide a mounting base body for the stabilizer bar; the stabilizer bars are arranged on the left stabilizer bar support and the right stabilizer bar support, so that the left stabilizer bar support and the right stabilizer bar support are only acted by vertical force, no bending moment is generated, the stress condition is simple, the bearing performance and the service life of the rear auxiliary frame are enhanced, the dynamic stiffness target of the left stabilizer bar support and the right stabilizer bar support is realized, and the NVH (Noise, Vibration and Harshness) performance of the whole rear suspension system is improved; meanwhile, the stabilizer bar is arranged on the left stabilizer bar bracket and the right stabilizer bar bracket which are positioned at the lower parts of the left longitudinal beam and the right longitudinal beam, so that the length of the stabilizer bar can be shortened, the whole weight of the stabilizer bar is reduced, and the light weight of a rear suspension system is facilitated; and meanwhile, the left longitudinal beam and the right longitudinal beam can share the vertical force action of the stabilizer bar.
The utility model discloses spare part of back sub vehicle frame is few, simple structure, has simplified the management of spare part, has reduced the mould expense, has practiced thrift the cost, has simplified development technology, has shortened development cycle, has reduced the development and has dropped into, has improved development and production efficiency.
On the other hand, the embodiment of the utility model provides a still provide a car, it includes foretell back sub vehicle frame.
Drawings
Fig. 1 is a schematic structural view of a rear subframe according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a rear subframe according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a front cross member; 2. a rear cross member; 3. a left stringer; 4. a right stringer; 5. a left stabilizer bar bracket; 6. a right stabilizer bar bracket; 7. installing a sleeve; 8. a bushing; 9. a left toe-in bracket; 10. a right toe-in bracket; 11. a left connecting bracket; 12. a right connecting bracket; 13. a left upper swing arm support; 14. and a right upper swing arm support.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "middle", and the like, are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a rear subframe according to an embodiment of the present invention; fig. 2 is a schematic perspective view of a rear subframe according to an embodiment of the present invention. In the utility model, the left side is the left side of the rear auxiliary frame shown in fig. 1 (for example, the left end of the rear cross beam 2, the left end of the front cross beam 1, etc.), and the right side is the right side of the rear auxiliary frame shown in fig. 1 (for example, the right end of the front cross beam 1, the right end of the rear cross beam 2, etc.); the front part is the upper part of the rear auxiliary frame shown in the figure 1 (such as a front cross beam 1, a left front beam bracket 9, a right front beam bracket 10, the front end of a left longitudinal beam 3, the front end of a right longitudinal beam 4, the lower part of the front end of the left longitudinal beam 3, the lower part of the front end of the right longitudinal beam 4 and the like), and the rear part is the lower part of the rear auxiliary frame shown in the figure 1 (such as a rear cross beam 2); the "upper" is the upper part (the left upper swing arm bracket 13, the right upper swing arm bracket 14, etc.) and the "lower" is the lower part (for example, the lower part of the left longitudinal beam 3, the lower part of the right longitudinal beam 4, the lower part of the left toe bracket 9, the lower part of the right toe bracket 10, the lower part of the front end of the left longitudinal beam 3, the lower part of the front end of the right longitudinal beam 4, etc.) in the three-dimensional structure of the rear subframe of fig. 2.
As shown in fig. 1 and 2, an embodiment of the present invention provides a rear subframe, which includes a front cross member 1, a rear cross member 2, a left longitudinal member 3, a right longitudinal member 4, a left stabilizer bar bracket 5, and a right stabilizer bar bracket 6; the left end of the rear cross beam 2 is connected with the rear end of the left longitudinal beam 3, and the right end of the rear cross beam 2 is connected with the rear end of the right longitudinal beam 4; the front end of the left longitudinal beam 3 is connected to the left end of the front cross beam 1, and the front end of the right longitudinal beam 4 is connected to the right end of the front cross beam 1; the left stabilizer bar bracket 5 is installed at the lower portion of the left longitudinal beam 3, and the right stabilizer bar bracket 6 is installed at the lower portion of the right longitudinal beam 4.
In the present embodiment, the left stabilizer bar bracket 5 and the right stabilizer bar bracket 6 are preferably U-shaped structures so as to facilitate mounting of the stabilizer bars, and the left stabilizer bar bracket 5 and the right stabilizer bar bracket 6 are stamped and formed of steel plates; the connection between the left stabilizer bracket 5 and the lower portion of the left side member 3 and the connection between the right stabilizer bracket 6 and the lower portion of the right side member 4 include, but are not limited to, welding. The left end of the rear cross beam 2 is connected with the rear end of the left longitudinal beam 3, and the right end of the rear cross beam 2 is connected with the rear end of the right longitudinal beam 4; the front end of the left longitudinal beam 3 is connected with the left end of the front cross beam 1, and the front end of the right longitudinal beam 4 is connected with the right end of the front cross beam 1; preferably, the left longitudinal beam 3 and the right longitudinal beam 4 are symmetrically arranged. Furthermore, the connection mode among the front cross beam 1, the rear cross beam 2, the left longitudinal beam 3 and the right longitudinal beam 4 includes but is not limited to welding, so that the connection among the front cross beam 1, the rear cross beam 2, the left longitudinal beam 3 and the right longitudinal beam 4 is stable, and the requirements of the whole automobile durability, the comfort, the whole automobile strength and the rigidity characteristic of the automobile can be met.
In the rear subframe of the embodiment, the left stabilizer bar bracket 5 is installed at the lower part of the left longitudinal beam 3 through a bolt, and the right stabilizer bar bracket 6 is installed at the lower part of the right longitudinal beam 4 through a bolt to provide a mounting base body for a stabilizer bar; the stabilizer bars are arranged on the left stabilizer bar support 5 and the right stabilizer bar support 6, so that the left stabilizer bar support 5 and the right stabilizer bar support 6 only bear vertical force, no bending moment is generated, the stress condition is simple, the bearing performance and the service life of the rear auxiliary frame are enhanced, the dynamic stiffness target of the left stabilizer bar support 5 and the right stabilizer bar support 6 is realized, and the NVH performance of the whole rear suspension system is improved; meanwhile, the stabilizer bar is arranged on the left stabilizer bar bracket 5 and the right stabilizer bar bracket 6 which are positioned at the lower parts of the left longitudinal beam and the right longitudinal beam 4, so that the length of the stabilizer bar can be shortened, the whole weight of the stabilizer bar is reduced, and the light weight of a rear suspension system is facilitated; and simultaneously, the left longitudinal beam 3 and the right longitudinal beam 4 can share the vertical force action of the stabilizer bar. The utility model discloses a spare part of back sub vehicle frame is few, simple structure, has simplified the management of spare part, has reduced the mould expense, has practiced thrift the cost, has simplified development technology, has shortened development cycle, has reduced the development and has dropped into, has improved development and production efficiency.
In one embodiment, as shown in fig. 1 and 2, the rear cross member 2 is integrally formed. Furthermore, the rear cross beam 2 is formed in an integrated punching mode, the middle position of the rear cross beam 2 is concave, and therefore a certain amount of parts can be arranged at the concave middle position of the rear cross beam 2, the upper space of the rear auxiliary frame is released, meanwhile, the middle position of the rear cross beam 2 is concave, and the rigidity of the rear cross beam 2 can be improved. The integrally formed rear cross beam 2 is integrally formed, and does not need to be assembled and prepared by complex processes such as welding and the like, so that the process is simple to form, less in investment in dies and high in machining efficiency. This the utility model discloses preparation simple process, production efficiency is high, and mould, development cost input are less, and development cycle is short.
In one embodiment, as shown in fig. 1 and 2, the front cross member 1, the left longitudinal member 3, and the right longitudinal member 4 are all of tubular beam structures. That is, front beam 1, left longeron 3 and right longeron 4 are the fashioned tubular beams structure of steel pipe bending, so, three's technology shaping is simple, and processing is convenient. The rear auxiliary frame is connected with an automobile body through the front cross beam 1, the left longitudinal beam 3 and the right longitudinal beam 4. Consequently, at the design initial stage of back sub vehicle frame, can plan the pipe diameter size of front beam 1, left longeron 3 and right longeron 4 for the pipe diameter after the planning accords with the design demand can. For example, the pipe diameter size of the tubular beams of the front cross beam 1, the left longitudinal beam 3 and the right longitudinal beam 4 of the rear subframe meets the following design requirements: the designed rear auxiliary frame must simultaneously meet the installation requirements of rigid connection with the automobile body through an installation sleeve 7 and flexible connection through a bushing 8; when making back sub vehicle frame use in the different performance motorcycle types of the side weight, only need lead to the connected mode (through installing sleeve 7 or bush 8 connection) between switching back sub vehicle frame and the automobile body, and need not develop back sub vehicle frame again, and then make the platformization of back sub vehicle frame derive more easily, the universalization rate is higher.
In one embodiment, as shown in fig. 1 and 2, the cross sections of the middle parts of the front cross beam 1, the left longitudinal beam 3 and the right longitudinal beam 4 are circular; the sections of the rear end of the left longitudinal beam 3, the rear end of the right longitudinal beam 4 and the left end and the right end of the front cross beam 1 are flat. That is, in the present embodiment, the middle sections of the tubular beam structures that constitute the front cross member 1, the left longitudinal member 3, and the right longitudinal member 4 are circular tubes, and the cross sections (i.e., the middle sections) are circular; and in this embodiment, the back sub vehicle frame pass through the rear end of left longeron 3 the rear end of right longeron 4 and the left end and the right-hand member of front beam 1 are installed on the automobile body, consequently, at the rear end of left longeron 3 the rear end of right longeron 4 and the cross-section of the left end of front beam 1 and right-hand member is designed for the platykurtic to satisfy the installation requirement.
In one embodiment, as shown in fig. 1 and 2, the rear end of the left longitudinal beam 3, the rear end of the right longitudinal beam 4, and the left end and the right end of the front cross beam 1 are provided with mounting holes (not shown); the rear end of the left longitudinal beam 3, the rear end of the right longitudinal beam 4 and the left end and the right end of the front cross beam 1 are connected with the vehicle body through mounting sleeves 7 or bushings 8 penetrating through the mounting holes. That is, in this embodiment, through the rear end of left longeron 3, the rear end of right longeron 4 and the mounting hole of front beam 1's left end and right-hand member design will installation sleeve 7 (installation sleeve 7 is cavity type cylinder structure, and installation sleeve 7 welds on the top or the inner wall of mounting hole, and the inside and the automobile body connection that the bolt passed installation sleeve 7) or bush 8 (the outer lane welding of bush 8 is on the top or the inner wall of mounting hole) is installed on the automobile body for the back sub vehicle frame.
Understandably, the utility model discloses in, at the design initial stage of back sub vehicle frame, can plan that the pipe diameter size of front beam 1, left longeron 3 and right longeron 4 accords with the design demand: the designed rear auxiliary frame must simultaneously meet the rigid connection with the automobile body through a mounting sleeve 7 and the soft connection through a bushing 8; at this time, if the automobile model with the rear auxiliary frame meets the requirement of comfort, the rear auxiliary frame is installed (flexibly connected) on the automobile body through a bushing 8 so as to improve the comfort; if the automobile model with the rear auxiliary frame meets the requirement of operation stability, the rear auxiliary frame is installed on the automobile body through an installation sleeve 7 (namely rigid connection and hard connection). So, when switching in the auto model that corresponds two kinds of different performance (travelling comfort or control stability), only need switch the automobile body erection point department (also the utility model discloses well left side longeron 3 the rear end right side longeron 4 the rear end and the point that has the mounting hole of the left end of front beam 1 and right-hand member) installation sleeve 7 and bush 8 can (other spare parts need not to be changed this moment), and need not redevelop different back sub vehicle frame mould for the derivative of platform product is easy, and the spare part universalization rate of back sub vehicle frame is higher, so, has shortened development cycle, reduces the mould input and has practiced thrift the cost. Meanwhile, after the automobile body can be connected with the automobile body in a rigid mode through the mounting sleeve 7 and a flexible mode through the bushing 8, the transverse span between the rear auxiliary frame and the automobile body mounting point can be designed to be a fixed value, so that the interface between the rear auxiliary frame and the automobile body is formed into a platform, the platform derivation of the automobile body and the rear auxiliary frame is facilitated, the convenience is brought to the development of new products, the product development efficiency is further improved, the development period is shortened, and the product development investment is reduced.
Specifically, in order to allow for application switching of the corresponding mounting sleeves 7 and bushings 8 to adapt to different vehicle types, diameters of tubular beams corresponding to the front cross beam 1, the left longitudinal beam 3, and the right longitudinal beam 4 may be set first, and at this time, the flat section circumferences of the left end of the left longitudinal beam 3, the right end of the right longitudinal beam 4, and the tubular beams at the left end and the right end of the front cross beam 1 after being flattened are equal to the middle section circumferences of the front cross beam 1, the left longitudinal beam 3, and the right longitudinal beam 4, and may be calculated according to the diameters of the tubular beams. In addition, the height of the cross sections of the left longitudinal beam 3, the right longitudinal beam 4 and the left and right front cross beams 1 must meet the requirement of the installation height of the installation sleeve 7 and the bush 8, and the distance between the two ends of the installation sleeve 7 and the upper and lower surfaces of the tubular beams is larger than or equal to 5mm so as to meet the requirement of the height of the welding seam. And the widths of the rear ends of the left longitudinal beams 3, the rear ends of the right longitudinal beams 4 and the left and right ends of the front cross beam 1 need to meet the arrangement requirement of the bushings 8, so that the bushings 8 and the welding positions of the rear ends of the left longitudinal beams 3, the rear ends of the right longitudinal beams 4 and the left and right ends of the front cross beam 1 at least have a welding length of 1/2 circumferences, and the welding is firm.
In one embodiment, as shown in fig. 1 and 2, the rear subframe further includes a left front beam bracket 9 and a right front beam bracket 10; the left toe-in bracket 9 is in lap joint with the lower part of the left end of the front cross beam 1 and the lower part of the front end of the left longitudinal beam 3; the right toe-in bracket 10 is lapped with the lower part of the right end of the front cross beam 1 and the lower part of the front end of the right longitudinal beam 4, so that the connection (preferably welding) between the front cross beam 1 and the left longitudinal beam 3 as well as the right longitudinal beam 4 is firmer, and the performance of the rear auxiliary frame is improved. Preferably, the left and right toe brackets 9 and 10 are both stamped and formed structural members to meet the strength and rigidity requirements.
In one embodiment, as shown in fig. 1 and 2, the rear subframe further includes a left connecting bracket 11 and a right connecting bracket 12, wherein the left connecting bracket 11 is connected with the lower portion of the left end of the rear cross beam 2 and the lower portion of the left toe bracket 9; the right connecting bracket 12 is connected to the lower portion of the right end of the rear cross member 2 and the lower portion of the right toe bracket 10, so that the connection (preferably welding) between the rear cross member 2 and the left and right toe brackets 9 and 10 is more stable, and the performance of the rear subframe is improved. Preferably, the left connecting bracket 11 and the right connecting bracket 12 are both formed by stamping steel plates so as to meet the requirements of strength and rigidity.
In an embodiment, as shown in fig. 1 and fig. 2, the rear subframe further includes a left upper swing arm bracket 13 and a right upper swing arm bracket 14, the left upper swing arm bracket 13 and the right upper swing arm bracket 14 are both located between the front cross member 1 and the rear cross member 2, the left upper swing arm bracket 13 is connected to the upper portion of the left longitudinal member 3, and the right upper swing arm bracket 14 is connected to the upper portion of the right longitudinal member 4, so that the connections (preferably welding) between the left upper swing arm bracket 13 and the left longitudinal member 3, and between the right upper swing arm bracket 14 and the right longitudinal member 4 are more stable, and further, the performance of the rear subframe is improved. Preferably, the upper left swing arm support 13 and the upper right swing arm support 14 are both formed by punching steel plates so as to meet the requirements of strength and rigidity.
Understandably, the rear subframe is an important part in the automobile chassis and plays a role in bearing. The characteristics of the rear auxiliary frame such as rigidity, strength and NVH performance play an important role in the safety and comfort performance of the whole vehicle; and the rear sub-frame is a suspension swing arm, and needs to provide a mounting base body for parts such as a stabilizer bar of an automobile. The utility model discloses a spare part of back sub vehicle frame is few, simple structure, has simplified the management of spare part, has reduced the mould expense, has practiced thrift the cost, has simplified the development technology, has shortened development cycle, has reduced the development input, has improved development and production efficiency; and simultaneously, the utility model discloses a back sub vehicle frame can be compatible and the flexible coupling between the automobile body and rigid connection (also through bush 8 or mounting sleeve 7 connection automobile body) two kinds of connected modes, makes the development of back sub vehicle frame can lightweight and platformization, has further shortened development cycle, has reduced the development input, has improved development and production efficiency.
On the other hand, the embodiment of the utility model provides a still provide a car, it includes foretell back sub vehicle frame.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A rear auxiliary frame is characterized by comprising a front cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam, a left stabilizer bar bracket and a right stabilizer bar bracket; the left end of the rear cross beam is connected with the rear end of the left longitudinal beam, and the right end of the rear cross beam is connected with the rear end of the right longitudinal beam; the front end of the left longitudinal beam is connected to the left end of the front cross beam, and the front end of the right longitudinal beam is connected to the right end of the front cross beam; the left stabilizer bar support is installed on the lower portion of the left longitudinal beam, and the right stabilizer bar support is installed on the lower portion of the right longitudinal beam.
2. The rear subframe of claim 1 wherein said front cross member, said left side member and said right side member are each tubular beam structures.
3. The rear subframe of claim 2 wherein said front cross member, said left side member, and said right side member are circular in cross-section at their midpoints; the cross sections of the rear end of the left longitudinal beam, the rear end of the right longitudinal beam and the left end and the right end of the front cross beam are flat.
4. The rear subframe of any one of claims 1 to 3 wherein said rear end of said left side member, said rear end of said right side member, and said left and right ends of said front cross member are provided with mounting holes; the rear end of the left longitudinal beam, the rear end of the right longitudinal beam, and the left end and the right end of the front cross beam are connected with the vehicle body through mounting sleeves or bushings penetrating through the mounting holes.
5. The rear subframe of claim 1 further comprising a left toe bracket and a right toe bracket; the left toe-in bracket is in lap joint with the lower part of the left end of the front cross beam and the lower part of the front end of the left longitudinal beam; the right toe-in support is in lap joint with the lower portion of the right end of the front cross beam and the lower portion of the front end of the right longitudinal beam.
6. The rear subframe of claim 5 further including a left connecting bracket and a right connecting bracket, said left connecting bracket being connected to a lower portion of the left end of said rear cross member and a lower portion of said left toe bracket; the right connecting support is connected with the lower part of the right end of the rear cross beam and the lower part of the right toe-in support.
7. The rear subframe of claim 1 further comprising a left upper swing arm bracket and a right upper swing arm bracket, said left upper swing arm bracket and said right upper swing arm bracket both being positioned between said front cross member and said rear cross member, said left upper swing arm bracket being connected to an upper portion of said left longitudinal member, said right upper swing arm bracket being connected to an upper portion of said right longitudinal member.
8. The rear subframe of claim 1 wherein said left side member is disposed symmetrically to said right side member.
9. The rear subframe of claim 1 wherein said rear cross member is integrally formed.
10. An automobile comprising a rear subframe according to any one of claims 1 to 9.
CN201920706778.2U 2019-05-16 2019-05-16 Rear auxiliary frame and automobile Active CN210235097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920706778.2U CN210235097U (en) 2019-05-16 2019-05-16 Rear auxiliary frame and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920706778.2U CN210235097U (en) 2019-05-16 2019-05-16 Rear auxiliary frame and automobile

Publications (1)

Publication Number Publication Date
CN210235097U true CN210235097U (en) 2020-04-03

Family

ID=69970830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920706778.2U Active CN210235097U (en) 2019-05-16 2019-05-16 Rear auxiliary frame and automobile

Country Status (1)

Country Link
CN (1) CN210235097U (en)

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