CN214296114U - Light-weight rear auxiliary frame - Google Patents
Light-weight rear auxiliary frame Download PDFInfo
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- CN214296114U CN214296114U CN202022580027.6U CN202022580027U CN214296114U CN 214296114 U CN214296114 U CN 214296114U CN 202022580027 U CN202022580027 U CN 202022580027U CN 214296114 U CN214296114 U CN 214296114U
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- frame body
- pull rod
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- right sides
- frame
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Abstract
The utility model discloses a light-weight rear auxiliary frame, which comprises a frame body, wherein the frame body is in a hollow shape, four corners of the shape of the Chinese character 'hui' are all in a convex shape, a cross pull rod is fixedly connected to the front part of the lower side of the frame body, the left and right ends of the bottom of the frame body are fixedly provided with rear points of the frame body, the left and right ends of the top of the frame body are provided with front points of the frame body, the left and right sides of the middle upper part of the frame body are symmetrically provided with front beam pull rod parts, the left and right sides of the middle part of the frame body are symmetrically provided with camber pull rod parts, and the left and right sides of the cross pull rod are symmetrically provided with lower pull rod parts; the utility model combines the auxiliary frame body and the tie rod which are integrally hollow cast, thereby improving the rigidity on the premise of satisfying the integral arrangement and greatly reducing the weight of the product under the same performance requirement; the upper end and the lower end of the front part of the frame body are both convex, and the rear side of the frame body is planar, so that the structural strength of the frame body is improved.
Description
Technical Field
The utility model relates to the technical field of auto-parts, specifically be a sub vehicle frame behind light weight.
Background
The rear subframe is an important component of a front suspension of a vehicle chassis system and mainly comprises a rear subframe main body and a connecting structure connected with parts such as a vehicle body and a suspension. The rear auxiliary frame can separate vibration and noise and reduce direct entering of the rear auxiliary frame into a carriage besides supporting the parts, so that the rear auxiliary frame is mostly arranged on luxury cars and off-road vehicles, and the auxiliary frame is arranged on an engine of some cars. The rear auxiliary frame is used as a key structural member of the automobile chassis, the mass of the rear auxiliary frame has important significance for the light weight of the whole automobile, and the requirements on the performances of rigidity, mode and the like of the whole automobile are very strict due to the safety requirement of the whole automobile. Therefore, how to achieve the light weight while adopting a more reasonable and excellent structure and satisfying the requirements becomes a topic of great research significance. To this end, we propose a new structural rear subframe to achieve this goal.
The rear suspension connecting rod of the existing important assembly part of the rear auxiliary frame is an important component of a suspension and is used for bearing a vehicle body. And each mounting point Y of rear overhang connecting rod requires very much the key to rigidity, and current structure leads to Y to rigidity to have a relatively limitation to promoting back sub vehicle frame rear overhang connecting rod mounting point quantity and design position, and then has restricted the propulsion of back sub vehicle frame lightweight for the driving comfort and the security that traditional back sub vehicle frame quality is high and then influences whole car.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sub vehicle frame after light weight has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sub vehicle frame after light weight, includes the frame body, the frame body is the hollow style of calligraphy that returns, and returns four angles of style of calligraphy and all be protruding form, the anterior fixed link of frame body downside has the drag link, both ends are all fixed to be provided with body rear point about the bottom of frame body, both ends all are provided with the automobile body front point about the top of frame body, the well upper portion left and right sides symmetry of frame body is provided with preceding bundle pull rod portion, frame body middle part left and right sides symmetry is provided with camber pull rod portion, the left and right ends bilateral symmetry of drag link is provided with lower pull rod portion, frame body lower part left and right sides symmetry is provided with the spring arm installation department.
Preferably, the frame body is cast in a hollow integral manner.
Preferably, the upper end and the lower end of the front part of the frame body are both convex, and the rear side of the frame body is planar.
Preferably, the tie rod is arc-shaped, the middle part of the tie rod is sunken downwards, and the cross section of the tie rod is C-shaped.
Preferably, the front vehicle body point and the rear vehicle body point are located on the same plane.
Preferably, the lower pull rod part is provided with two bolt fixing holes.
Compared with the prior art, the beneficial effects of the utility model are as follows: the auxiliary frame body and the cross pull rod which are integrally and hollow cast are combined, so that the rigidity is improved on the premise of meeting the integral arrangement, and the weight of a product is greatly reduced under the same performance requirement; the upper end and the lower end of the front part of the frame body are both convex, and the rear side of the frame body is planar, so that the structural strength of the frame body is improved; the cross rod is arc-shaped, the middle part of the cross rod is downwards sunken, the cross section of the cross rod is C-shaped, and the arc-shaped design is beneficial to dispersing local stress borne by the device so as to further improve the structural rigidity of the device.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic side view of the present invention.
In the figure: 1. the frame body, 2, tie rod, 3, automobile body rear point, 4, automobile body forward point, 5, toe-in pull rod portion, 6, camber pull rod portion, 7, lower pull rod portion, 8, spring arm installation portion.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a sub vehicle frame after light weight, includes frame body 1, frame body 1 is the hollow style of calligraphy that returns, and returns four angles of style of calligraphy and all be protruding form, the anterior fixed link of frame body 1 downside has tie rod 2, both ends are all fixed to be provided with body rear point 3 about frame body 1's the bottom, both ends all are provided with automobile body front point 4 about frame body 1's the top, the well upper portion left and right sides symmetry of frame body 1 is provided with preceding bundle pull rod portion 5, frame body 1 middle part left and right sides symmetry is provided with camber pull rod portion 6, both ends bilateral symmetry is provided with lower pull rod portion 7 about tie rod 2, the 1 lower part left and right sides symmetry of frame body is provided with spring arm installation portion 8.
The frame body 1 is integrally hollow cast, the rigidity is improved on the premise that the integral arrangement is met through the arrangement of the frame body 1 which is hollow cast, the weight of a product is greatly reduced under the same performance requirement, and the frame body has important significance for the light weight of an automobile chassis part; the upper end and the lower end of the front part of the frame body 1 are both convex, and the rear side of the frame body 1 is planar, so that the structural strength of the frame body 1 is improved; the cross-pull rod 2 is arc-shaped, the middle part of the cross-pull rod 2 is downwards sunken, the cross section of the cross-pull rod 2 is C-shaped, and the arc-shaped design is favorable for dispersing local stress borne by the device so as to further improve the structural rigidity of the device; the front point 4 and the rear point 3 of the vehicle body are positioned on the same plane, so that the mounting stability of the vehicle body is facilitated; two bolt fixing holes are formed in the lower pull rod part 7.
The working principle is as follows: when the light-weight rear auxiliary frame is used, a rear suspension system of the vehicle is fixed on a front beam pull rod part 5, a camber pull rod part 6 and a lower pull rod part 7 of a frame body 1 through a fixed connecting rod, two suspended spring arms are installed on a spring arm installation part 8, and then the frame body 1 is fixed on a vehicle body chassis through two vehicle body front points 4 and two vehicle body rear points 3; when the device is used, the auxiliary frame body 1 and the cross pull rod 2 which are integrally and hollow cast are combined, so that the rigidity is improved on the premise of meeting the integral arrangement, and the weight of a product is greatly reduced under the same performance requirement; the upper end and the lower end of the front part of the frame body 1 are both convex, and the rear side of the frame body 1 is planar, so that the structural strength of the frame body 1 is improved; the cross-pull rod 2 is arc-shaped, the middle part of the cross-pull rod 2 is downwards sunken, the cross section of the cross-pull rod 2 is C-shaped, and the arc-shaped design is favorable for dispersing local stress borne by the device so as to further improve the structural rigidity of the device; the special design drag link 2 is connected through the assembly mode about for promote rear overhang connecting rod Y to rigidity, and then can further reduce peripheral part material thick board, increase the lightening hole and arrange, provide the possibility for the further lightweight of back sub vehicle frame.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a sub vehicle frame after light weight, includes frame body (1), its characterized in that: frame body (1) is the hollow style of calligraphy of returning, and returns four angles of style of calligraphy and all be protruding form, frame body (1) body downside front portion fixed link has tie rod (2), both ends are all fixed to be provided with automobile body rear point (3) about the bottom of frame body (1), both ends all are provided with automobile body front point (4) about the top of frame body (1), the well upper portion left and right sides symmetry of frame body (1) is provided with preceding restraint pull rod portion (5), frame body (1) middle part left and right sides symmetry is provided with camber pull rod portion (6), both ends bilateral symmetry is provided with down pull rod portion (7) about tie rod (2), frame body (1) lower part left and right sides symmetry is provided with spring arm installation department (8).
2. A lightweight rear subframe as set forth in claim 1 wherein: the frame body (1) is formed by integral hollow casting.
3. A lightweight rear subframe as set forth in claim 1 wherein: the upper end and the lower end of the front part of the frame body (1) are both convex, and the rear side of the frame body (1) is planar.
4. A lightweight rear subframe as set forth in claim 1 wherein: the cross-pull rod (2) is arc-shaped, the middle part of the cross-pull rod (2) is sunken downwards, and the cross section of the cross-pull rod (2) is C-shaped.
5. A lightweight rear subframe as set forth in claim 1 wherein: the front point (4) and the rear point (3) of the vehicle body are located on the same plane.
6. A lightweight rear subframe as set forth in claim 1 wherein: two bolt fixing holes are formed in the lower pull rod part (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580027.6U CN214296114U (en) | 2020-11-10 | 2020-11-10 | Light-weight rear auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580027.6U CN214296114U (en) | 2020-11-10 | 2020-11-10 | Light-weight rear auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214296114U true CN214296114U (en) | 2021-09-28 |
Family
ID=77841469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022580027.6U Active CN214296114U (en) | 2020-11-10 | 2020-11-10 | Light-weight rear auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214296114U (en) |
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2020
- 2020-11-10 CN CN202022580027.6U patent/CN214296114U/en active Active
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