CN209972577U - Auxiliary frame and vehicle with same - Google Patents

Abstract

The utility model discloses a sub vehicle frame and have its vehicle, the sub vehicle frame includes: the two cross beams and the two longitudinal beams are sequentially connected to form a frame structure; the end support is arranged at the corner of the frame structure and is provided with a first inserting portion and a second inserting portion, and the first inserting portion and the second inserting portion are respectively fixedly inserted into the adjacent cross beam and the adjacent longitudinal beam. According to the utility model discloses sub vehicle frame through setting up the tip support, makes being connected of crossbeam and longeron more stable, and the structure is stronger, has better bearing effect, can improve sub vehicle frame's structural strength and life effectively.

Description

Auxiliary frame and vehicle with same

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a sub vehicle frame and have its vehicle is related to.

Background

In the correlation technique, the sub vehicle frame adopts frame construction mostly, but the mounting point on the sub vehicle frame and sub vehicle frame integrated casting shaping, and the connection area between crossbeam and the longeron is less, and connection stability is relatively poor, and mounting point position precision is low, and the rejection rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an auxiliary frame, auxiliary frame's structural strength is higher.

The utility model also provides a vehicle of having above-mentioned sub vehicle frame.

According to the utility model discloses sub vehicle frame of first aspect embodiment includes: the two cross beams and the two longitudinal beams are sequentially connected to form a frame structure; the end support is arranged at the corner of the frame structure and is provided with a first inserting portion and a second inserting portion, and the first inserting portion and the second inserting portion are respectively fixedly inserted into the adjacent cross beam and the adjacent longitudinal beam.

According to the utility model discloses sub vehicle frame through setting up the tip support, makes being connected of crossbeam and longeron more stable, and the structure is stronger, has better bearing effect, can improve sub vehicle frame's structural strength and life effectively.

In some embodiments, the two cross beams are a front cross beam and a rear cross beam which are spaced apart in the front-rear direction, the two longitudinal beams are a left longitudinal beam and a right longitudinal beam which are spaced apart in the left-right direction, and the front cross beam, the left longitudinal beam, the rear cross beam and the right longitudinal beam are sequentially connected through the end bracket.

Further, swing arm mounting brackets are arranged on the side edges of the left longitudinal beam and the right longitudinal beam, which are away from each other.

Furthermore, steering mechanism mounting structures are formed on the two end supports adjacent to the two ends of the rear cross beam.

Furthermore, a front power assembly suspension mounting point is formed at one end of the left longitudinal beam adjacent to the front cross beam and one end of the right longitudinal beam adjacent to the front cross beam, and a rear power assembly suspension mounting point is formed on the side edge of the rear cross beam opposite to the front cross beam.

Optionally, a stabilizer bar mounting bracket is further formed on a side of the front cross beam away from the rear cross beam.

In some embodiments, a plurality of crush features are also formed on the left and right stringers.

Further, the front cross beam, the rear cross beam, the left longitudinal beam, the right longitudinal beam and the end bracket are all aluminum alloy pieces.

According to some embodiments of the invention, the end bracket is provided with a bushing.

According to the utility model discloses vehicle of second aspect embodiment, including the sub vehicle frame in the above-mentioned embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an angle of a subframe according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another angle of the subframe according to an embodiment of the present invention;

fig. 3 is a front view of a subframe according to an embodiment of the present invention;

fig. 4 is a top view of a subframe according to an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of the area a in fig. 4.

Reference numerals:

the sub-frame 100 is provided with a sub-frame,

the cross member 10, the front cross member 10a, the rear cross member 10b,

a side member 20, a left side member 20a, a right side member 20b, a crush structure 21,

end bracket 30, swing arm mounting bracket 40, steering mechanism mounting structure 50, powertrain mount front point 60, powertrain mount rear point 70, stabilizer bar mounting bracket 80, bushing 90,

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A subframe 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 3, a subframe 100 according to an embodiment of the present invention includes: the two cross beams 10, the two longitudinal beams 20 and the end bracket 30 are sequentially connected to form a frame structure; the end bracket 30 is arranged at a corner of the frame structure, and the end bracket 30 has a first inserting portion and a second inserting portion, which are respectively inserted and fixed with the adjacent cross beam 10 and the longitudinal beam 20.

Particularly, sub vehicle frame 100 links to each other through automobile body and suspension in order to avoid noise and vibration direct transmission to give the automobile body, the utility model discloses a sub vehicle frame 100 through peg graft crossbeam 10 on the first grafting portion of an end support 30, correspond the longeron 20 of pegging graft on the second grafting portion of this end support 30 and constitute a right angle structure, and then a plurality of right angle structures constitute a frame construction's sub vehicle frame 100. The connection between any one cross beam 10 and the longitudinal beam 20 connected with the cross beam through the end bracket 30 is stable and reliable.

According to the utility model discloses sub vehicle frame 100 through setting up end support 30, makes crossbeam 10 more stable with being connected of longeron 20, and the structure is stronger, has better bearing effect, can improve sub vehicle frame 100's structural strength and life effectively.

In addition, it can be understood that the overall accuracy of the subframe 100 can be improved, the processing difficulty of the subframe 100 can be reduced, and the production efficiency of the subframe 100 can be improved by forging and processing each cross beam 10, each longitudinal beam 20, and each end bracket 30, and then assembling and welding the cross beams 10, the longitudinal beams 20, and the end brackets 30.

As shown in fig. 2, the two cross members 10 are a front cross member 10a and a rear cross member 10b spaced apart in the front-rear direction, the two side members 20 are a left side member 20a and a right side member 20b spaced apart in the left-right direction, and the front cross member 10a, the left side member 20a, the rear cross member 10b, and the right side member 20b are connected in this order by end brackets 30.

In the particular embodiment shown in fig. 2, the swing arm mounting brackets 40 are provided on the sides of the left and right longitudinal beams 20a, 20b facing away from each other. Like this, the swing arm is rotationally installed on swing arm installing support 40, makes the swing arm link to each other with sub vehicle frame 100, and swing arm installing support 40 sets up on left longeron 20a and right longeron 20b deviate from each other's side through the welding, is that swing arm and sub vehicle frame 100's connection is more for your difficult, reliable, the cooperation precision is higher.

Further, a front suspension mounting point 60 is formed on each of an end of the left side member 20a adjacent to the front cross member 10a and an end of the right side member 20b adjacent to the front cross member 10a, and a rear suspension mounting point 70 is formed on a side of the rear cross member 10b opposite to the front cross member 10 a.

Particularly, the powertrain mount can be used for connecting powertrain and sub vehicle frame 100, and the powertrain mount can be used for reducing the vibration of powertrain, reduces sub vehicle frame 100 and receives the influence of powertrain vibration, improves sub vehicle frame 100's stability. The powertrain is fixed to the powertrain mount front point 60 and the powertrain mount rear point 70 by the powertrain mount, thereby fixing the powertrain to the subframe 100.

It will be appreciated that the steering mechanism mounting structure 50 is formed on both end brackets 30 adjacent to both ends of the rear cross member 10b, and the stabilizer bar mounting bracket 80 is formed on the side of the front cross member 10a facing away from the rear cross member 10 b. Thus, the positions of the steering mechanism mounting structure 50 and the stabilizer bar mounting bracket 80 on the subframe 100 are more rational, the mounting of the steering mechanism and the stabilizer bar on the subframe 100 is facilitated, and the interference between the stabilizer bar and the surrounding parts and the interference between the steering mechanism and the surrounding parts can be avoided.

As shown in fig. 4 and 5, a plurality of crush structures 21 are further formed on the left side member 20a and the right side member 20 b. Thus, the kinetic energy can be absorbed by the crush structure 21, thereby improving the collision performance of the subframe 100.

Further, the front cross member 10a, the rear cross member 10b, the left and right side members 20a, 20b, and the end brackets 30 are all aluminum alloy pieces. Thus, the subframe 100 is made lighter in weight and satisfies the requirement of light weight.

According to some embodiments of the present invention, a bushing 90 is provided on the end bracket 30.

That is, the frame-shaped structure is a rectangular frame, and the four corners of the frame-shaped structure are provided with the bushings 90 connected to the vehicle body. The through holes for the fasteners to penetrate are formed in the four corners of the frame-shaped structure, the bushings 90 are arranged in the through holes, the fasteners penetrate through the bushings 90 and are connected with the vehicle body, so that the frame-shaped structure is connected with the vehicle body, when the auxiliary frame 100 vibrates, the vibration of the auxiliary frame 100 can be transmitted to the vehicle body, and the bushings 90 can absorb the vibration of the auxiliary frame 100, so that the influence on the vehicle body is reduced, the NVH performance of the vehicle is improved, and the comfort of the vehicle is improved.

According to the second aspect of the present invention, the vehicle includes the subframe 100 of the above embodiments.

According to the utility model discloses vehicle adopts above-mentioned sub vehicle frame 100, makes the vehicle satisfy under the prerequisite that the lightweight required, makes safety in utilization, crashworthiness, the durability etc. of vehicle all obtain improving effectively.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A subframe (100) comprising:

the frame structure comprises two cross beams (10) and two longitudinal beams (20), wherein the two cross beams (10) and the two longitudinal beams (20) are sequentially connected to form the frame structure;

the end support (30) is arranged at the corner of the frame structure, the end support (30) is provided with a first inserting portion and a second inserting portion, and the first inserting portion and the second inserting portion are respectively inserted and fixed with the adjacent cross beam (10) and the adjacent longitudinal beam (20).

2. The subframe (100) according to claim 1, wherein said two cross members (10) are a front cross member (10a) and a rear cross member (10b) spaced apart in a front-rear direction, respectively, and said two longitudinal members (20) are a left longitudinal member (20a) and a right longitudinal member (20b) spaced apart in a left-right direction, respectively, and said front cross member (10a), said left longitudinal member (20a), said rear cross member (10b), and said right longitudinal member (20b) are connected in sequence by said end brackets (30).

3. The subframe (100) of claim 2 wherein said left side member (20a) and said right side member (20b) are each provided with a swing arm mounting bracket (40) on the side edges thereof facing away from each other.

4. The subframe (100) of claim 2 wherein both of said end brackets (30) adjacent to both ends of said rear cross member (10b) have steering mechanism mounting structures (50) formed thereon.

5. The subframe (100) of claim 2 wherein said left side member (20a) has a front powertrain mount point (60) formed at an end thereof adjacent said front cross member (10a) and said right side member (20b) has a rear powertrain mount point (70) formed at an end thereof adjacent said front cross member (10a), and said rear cross member (10b) has a rear powertrain mount point (70) formed at a side thereof opposite said front cross member (10 a).

6. The subframe (100) of claim 2 wherein said front cross member (10a) is further formed with a stabilizer bar mounting bracket (80) on a side thereof facing away from said rear cross member (10 b).

7. The subframe (100) of any of claims 2-6 wherein said left side member (20a) and said right side member (20b) further have a plurality of crush features (21) formed thereon.

8. The subframe (100) of any of claims 2-6 wherein said front cross member (10a), said rear cross member (10b), said left and right side members (20a, 20b), and end brackets (30) are all aluminum alloy pieces.

9. The subframe (100) of claim 1 wherein said end bracket (30) has a bushing (90) disposed thereon.

10. A vehicle, characterized in that it comprises a sub-frame (100) according to any one of claims 1-9.

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