CN216994499U

CN216994499U - Auxiliary frame and vehicle

Info

Publication number: CN216994499U
Application number: CN202220767613.8U
Authority: CN
Inventors: 高兴东; 陈民杰; 田贺明
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-19
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses an auxiliary frame and a vehicle, wherein the auxiliary frame comprises: the device comprises a longitudinal beam, a control arm and a control mechanism, wherein the longitudinal beam is provided with a mounting bracket for mounting the control arm; the gasket subassembly, at least part of gasket subassembly is located between installing support and the control arm, and gasket subassembly and installing support joint. According to the auxiliary frame, at least part of the gasket assembly is located between the mounting support and the control arm, so that the structural strength of the mounting support is improved, the clamping force applied to the control arm can be transmitted to the mounting support through the gasket assembly, the stress area of the mounting support is increased, the uniform stress of the mounting support is ensured, the compressive stress of the contact surface of the mounting support is favorably reduced, the problems of crushing of the contact surface of the mounting support and the like are effectively solved, the gasket assembly is clamped with the mounting support, the gasket assembly is conveniently fixed on the mounting support, the mounting position of the gasket assembly is ensured, the assembly is convenient, and the assembly efficiency is favorably improved.

Description

Auxiliary frame and vehicle

Technical Field

The utility model relates to the technical field of automobile suspension systems, in particular to an auxiliary frame and a vehicle.

Background

In the related art, the load of the control arm is large, and a large fastener clamping force is needed, so that the contact surface of the control arm and the subframe has large compressive stress, and the contact surface on the subframe is easy to crush and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a subframe having a large stressed area of a mounting bracket, reducing a contact surface compressive stress of the mounting bracket, effectively avoiding contact surface collapse, and having high assembly efficiency.

Another object of the present invention is to provide a vehicle having the subframe.

According to the embodiment of the utility model, the auxiliary frame comprises: the device comprises a longitudinal beam, a control arm and a control mechanism, wherein the longitudinal beam is provided with a mounting bracket for mounting the control arm; the gasket assembly is at least partially positioned between the mounting bracket and the control arm and clamped with the mounting bracket.

According to the auxiliary frame provided by the embodiment of the utility model, at least part of the gasket assembly is positioned between the mounting bracket and the control arm, so that the structural strength of the mounting bracket is improved, the clamping force applied to the control arm can be transmitted to the mounting bracket through the gasket assembly, the stress area of the mounting bracket is increased, the uniform stress of the mounting bracket is ensured, the compressive stress of the contact surface of the mounting bracket is favorably reduced, the problems of crushing of the contact surface of the mounting bracket and the like are effectively avoided, and the gasket assembly is clamped with the mounting bracket, so that the gasket assembly is conveniently fixed on the mounting bracket, the mounting position of the gasket assembly is ensured, the assembly is convenient, and the assembly efficiency is favorably improved.

In addition, the subframe according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the utility model, the gasket assembly comprises: the gasket comprises a first gasket and a second gasket, wherein the first gasket and the second gasket are arranged at intervals, and both the first gasket and the second gasket are provided with mounting holes for penetrating fasteners; the connecting section, the both ends of connecting section respectively with the one end of first gasket with the one end of second gasket is connected, the installing support card is located between first gasket and the second gasket, first gasket is located the installing support with between the control arm, be equipped with on the installing support with the through hole that the mounting hole is relative, the fastener is worn to locate two the mounting hole with the through hole is in order to incite somebody to action the control arm with the installing support is fixed.

According to some embodiments of the utility model, the shim assembly is a steel piece.

According to some embodiments of the utility model, the number of the mounting brackets is two, the number of the gasket assemblies is two, and the control arm is located between the two mounting brackets.

According to some embodiments of the utility model, the number of the longitudinal beams is two, two longitudinal beams are arranged at intervals, the mounting bracket is arranged on each longitudinal beam, and the mounting bracket is positioned on one side of the two longitudinal beams away from each other.

According to some embodiments of the utility model, the subframe comprises a reference plane perpendicular to the direction of arrangement of the two longitudinal beams, the two longitudinal beams being structurally symmetrical with respect to the reference plane.

According to some embodiments of the utility model, the subframe further comprises: the two ends of the first cross beam and the two ends of the second cross beam are respectively connected with the longitudinal beams on the corresponding sides, the first cross beam and the second cross beam are arranged at intervals in the length direction of the longitudinal beams, and the first cross beam, the second cross beam and the longitudinal beams are connected through welding.

According to some embodiments of the utility model, the stringer is a solid die cast part.

A vehicle according to an embodiment of the present invention includes a control arm; according to the subframe of the embodiment of the utility model, the control arm and the mounting bracket are connected through a fastener, and at least part of the gasket assembly is positioned between the control arm and the mounting bracket.

According to some embodiments of the utility model, the control arm is provided at one end with a bushing, and the fastener is disposed through the mounting bracket, the shim assembly and the bushing to secure the control arm and the mounting bracket.

Additional aspects and advantages of the utility model 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 utility model.

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 view of a mating structure of a subframe according to an embodiment of the utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at circle A;

FIG. 3 is a schematic structural diagram of a subframe according to an embodiment of the utility model;

FIG. 4 is an enlarged schematic view of FIG. 3 at circle B;

FIG. 5 is a top view of a subframe according to an embodiment of the utility model;

FIG. 6 is an enlarged schematic view of FIG. 5 at circle C;

FIG. 7 is a bottom view of a subframe according to an embodiment of the utility model;

fig. 8 is an enlarged structural view at circle D in fig. 7.

Reference numerals:

a subframe 100; a control arm 200; a fastener 300;

a longitudinal beam 10; a mounting bracket 11; a through-hole 111; a recess 112;

a shim assembly 20; a first gasket 21; a second gasket 22; a mounting hole 23; a connecting section 24;

a first cross member 30;

a second cross member 40.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.

In the description of the present invention, "a first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being not in direct contact but being in contact with another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.

The subframe 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 to 8, a vehicle according to an embodiment of the present invention includes a control arm 200 and a subframe 100 according to an embodiment of the present invention, and the subframe 100 according to an embodiment of the present invention may include: a stringer 10.

Specifically, the longitudinal beam 10 is provided with a mounting bracket 11, the mounting bracket 11 is used for mounting the control arm 200, so that the control arm 200 can be mounted on the subframe 100 through the mounting bracket 11, and the control arm 200 and the mounting bracket 11 are connected through a fastener 300, so that the control arm 200 is firmly mounted, the control arm 200 and the mounting bracket 11 are reliably connected, and the control arm 200 and the mounting bracket 11 are convenient to detach. For example, the fastener 300 may be a bolt.

The inventor of the application finds that in the related art, due to the fact that the control arm is relatively heavy in load, a relatively large fastener clamping force is needed to ensure that the control arm is reliably connected with the mounting bracket, and therefore the contact surface of the control arm and the mounting bracket is relatively large in compressive stress, and the contact surface on the mounting bracket is prone to being crushed and the like.

In order to solve the problem of the crush of the contact surface of the mounting bracket 11, in the present invention, as shown in fig. 1, fig. 2, fig. 4, fig. 6 and fig. 8, the subframe 100 may further include a gasket assembly 20, at least a portion of the gasket assembly 20 is located between the mounting bracket 11 and the control arm 200, so that the structural strength of the mounting bracket 11 is effectively improved, when the fastener 300 connects the control arm 200 and the mounting bracket 11, a clamping force applied to the control arm 200 may be transmitted to the mounting bracket 11 through the gasket assembly 20, so as to increase a force-bearing area of the mounting bracket 11, so that the mounting bracket 11 is uniformly stressed, which is beneficial to reducing the contact surface compressive stress of the mounting bracket 11, effectively avoiding the problem of the crush of the contact surface of the mounting bracket 11, and ensuring reliable connection between the control arm 200 and the mounting bracket 11.

Meanwhile, as shown in fig. 2, 4, 6 and 8, the gasket assembly 20 and the mounting bracket 11 can be clamped, so that the gasket assembly 20 is conveniently fixed on the mounting bracket 11, the mounting position of the gasket assembly 20 is ensured, the assembly is convenient, and the assembly efficiency is favorably improved.

In some embodiments, as shown in fig. 1 and 2, a bushing is disposed at one end of the control arm 200, and the fastener 300 is inserted through the mounting bracket 11, the shim assembly 20 and the bushing, so that the control arm 200 and the mounting bracket 11 can be fixed, the control arm 200 and the mounting bracket 11 are reliably connected, and the control arm 200 and the mounting bracket 11 are convenient to detach. Meanwhile, the vibration on the control arm 200 can be transmitted to the bushing, the damping effect can be realized through the bushing, and a good buffering effect is achieved, so that the vibration transmitted to the longitudinal beam 10 through the mounting bracket 11 is reduced, and the comfort of the vehicle is effectively improved.

In some embodiments, the bushing includes an inner sleeve and a rubber part, the rubber part and the inner sleeve are connected through a vulcanization process, when the mounting bracket 11 is connected with the bushing, the inner sleeve can play a better supporting role, the mounting bracket 11 and the bushing are ensured to be reliably connected, the stress area of the mounting bracket 11 can be increased through the gasket assembly 20, the contact surface of the inner sleeve and the mounting bracket 11 is prevented from having larger compressive stress, and the contact surface of the mounting bracket 11 is prevented from being crushed.

According to the auxiliary frame 100 provided by the embodiment of the utility model, at least part of the gasket assembly 20 is positioned between the mounting bracket 11 and the control arm 200, so that the structural strength of the mounting bracket 11 is improved, the clamping force applied to the control arm 200 can be transmitted to the mounting bracket 11 through the gasket assembly 20, the stress area of the mounting bracket 11 is increased, the uniform stress of the mounting bracket 11 is ensured, the reduction of the compressive stress of the contact surface of the mounting bracket 11 is facilitated, the problems of crushing of the contact surface of the mounting bracket 11 and the like are effectively avoided, the gasket assembly 20 is clamped with the mounting bracket 11, the gasket assembly 20 is conveniently fixed on the mounting bracket 11, the mounting position of the gasket assembly 20 is ensured, the assembly is convenient, and the assembly efficiency is improved.

Because the auxiliary frame 100 according to the embodiment of the present invention has the above beneficial technical effects, according to the vehicle according to the embodiment of the present invention, at least part of the gasket assembly 20 is located between the mounting bracket 11 and the control arm 200, so that the structural strength of the mounting bracket 11 is improved, the clamping force applied to the control arm 200 can be transmitted to the mounting bracket 11 through the gasket assembly 20, so as to increase the stressed area of the mounting bracket 11, ensure that the stress applied to the mounting bracket 11 is uniform, reduce the contact surface compressive stress of the mounting bracket 11, effectively avoid the problem of crushing the contact surface of the mounting bracket 11, and the gasket assembly 20 is clamped with the mounting bracket 11, so as to fix the gasket assembly 20 on the mounting bracket 11, ensure the mounting position of the gasket assembly 20, facilitate assembly, and improve the assembly efficiency.

According to some embodiments of the present invention, as shown in fig. 2, 4, 6 and 8, the gasket assembly 20 includes a first gasket 21, a second gasket 22 and a connecting section 24, the first gasket 21 and the second gasket 22 are disposed at intervals, two ends of the connecting section 24 are respectively connected to one end of the first gasket 21 and one end of the second gasket 22, and the first gasket 21 is located between the mounting bracket 11 and the control arm 200, so that the longitudinal section of the gasket assembly 20 may form a "U-shaped" structure, which is convenient for the mounting bracket 11 to be clamped between the first gasket 21 and the second gasket 22, and ensures that the gasket assembly 20 is stably mounted, and the gasket assembly 20 has a simple structure, which is beneficial to reducing the production cost. In addition, the first gasket 21 and the second gasket 22 are both provided with mounting holes 23, the mounting holes 23 are used for penetrating fasteners 300, the mounting bracket 11 is provided with through holes 111, the through holes 111 are opposite to the mounting holes 23, the fasteners 300 penetrate through the two mounting holes 23 and the through holes 111, the control arm 200 and the mounting bracket 11 can be fixed, the control arm 200 and the mounting bracket 11 are ensured to be reliably connected, and the mounting bracket 11 is convenient to detach.

In some embodiments of the present invention, the gasket assembly 20 may be a steel member, the gasket assembly 20 of the steel member has high structural strength and good mechanical properties, and after the gasket assembly 20 is clamped with the mounting bracket 11, the strength of the contact surface of the mounting bracket 11 can be increased, the supporting hardness of the mounting bracket 11 is improved, the uniform stress of the mounting bracket 11 is ensured, the reduction of the contact surface compressive stress of the mounting bracket 11 is facilitated, and the problem of the collapse of the contact surface of the mounting bracket 11 is effectively solved.

In some embodiments, the yield strength of the gasket assembly 20 may be 510MPa, so that the gasket assembly 20 has higher strength, which increases the supporting rigidity of the mounting bracket 11 and effectively prevents the contact surface of the mounting bracket 11 from collapsing. For example, the material of gasket assembly 20 may be 610L, which can meet the required strength requirements.

According to some embodiments of the present invention, as shown in fig. 2, 4, 6, and 8, two mounting brackets 11 may be provided, two mounting brackets 11 are spaced apart along a length direction of the longitudinal beam 10 (for example, a front-back direction shown in fig. 5), two gasket assemblies 20 are provided in one-to-one correspondence, the control arm 200 is located between the two mounting brackets 11, so that the two mounting brackets 11 can be connected to the control arm 200, it is ensured that the control arm 200 is reliably mounted, the control arm 200 is not prone to offset, and the gasket assemblies 20 are provided on both of the two mounting brackets 11, so that a stress area of the two mounting brackets 11 is increased, it is ensured that the two mounting brackets 11 are uniformly stressed, which is beneficial to reducing a contact surface compressive stress of the two mounting brackets 11, effectively avoiding problems such as the contact surface of the two mounting brackets 11 being crushed, and ensuring that the control arm 200 is stably connected.

In some embodiments, as shown in fig. 2, 4, 6 and 8, the opposite sides of the two mounting brackets 11 are provided with grooves 112 to ensure that the contact surfaces of the mounting brackets 11 and the gasket assemblies 20 are flat, so that the gasket assemblies 20 can be conveniently clamped on the mounting brackets 11 to ensure that the gasket assemblies 20 are reliably mounted.

It should be noted that, for convenience of description, the orientations of the "front" and "rear" in the present invention are based on the orientation relationship shown in the drawings, and are not limited to the orientation during the actual application.

According to some embodiments of the present invention, as shown in fig. 1, fig. 3, fig. 5, and fig. 7, there are two longitudinal beams 10, two longitudinal beams 10 are disposed at intervals, a mounting bracket 11 is disposed on each longitudinal beam 10, and the mounting bracket 11 is located on a side of each of the two longitudinal beams 10 away from each other, so that the control arms 200 located on two sides of the subframe 100 can be respectively mounted on the subframe 100 through the mounting brackets 11 on the two longitudinal beams 10, thereby ensuring that the control arms 200 on two sides are reliably connected, and the mounting brackets 11 on the two longitudinal beams 10 are opposite, thereby ensuring that the two longitudinal beams 10 are uniformly stressed, avoiding the problems of tilting and the like caused by uneven stress of the subframe 100, and ensuring that the subframe 100 is stably supported.

In some embodiments of the present invention, as shown in fig. 1, 3, 5 and 7, the subframe 100 may include a reference surface, the reference surface is perpendicular to an arrangement direction (for example, a left-right direction shown in fig. 5) of the two longitudinal beams 10, the two longitudinal beams 10 are structurally symmetrical with respect to the reference surface, which facilitates processing and manufacturing of the longitudinal beams 10, and can ensure that the structures connected to the two longitudinal beams 10 are symmetrically installed with respect to the reference surface, ensure that the stress on the two longitudinal beams 10 is uniform, avoid the problem of stress concentration, and the like, and ensure that the subframe 100 is stably supported.

According to some embodiments of the present invention, as shown in fig. 1, 3, 5 and 7, the subframe 100 further includes a first cross member 30 and a second cross member 40, two ends of the first cross member 30 and the second cross member 40 are respectively connected to the longitudinal members 10 on the corresponding sides, and the first cross member 30 and the second cross member 40 are disposed at intervals in the length direction of the longitudinal members 10, so that the structural strength of the subframe 100 is effectively improved, and the subframe 100 is ensured to have a stable structure. In addition, the first cross beam 30, the second cross beam 40 and the longitudinal beam 10 can be connected by welding, so that the first cross beam 30, the second cross beam 40 and the longitudinal beam 10 are reliably connected, and the production cost is reduced.

In some embodiments of the present invention, the stringer 10 may be a solid die cast part, such that the stringer 10 has a good structural strength, and the stringer 10 can meet the manufacturing requirement of the stringer 10 for a complicated structure through a casting molding process. For example, the stringer 10 may be die cast aluminum.

In some embodiments, the first cross member 30 and the second cross member 40 may be formed by an extrusion molding process, so that the weight of the first cross member 30 and the second cross member 40 can be effectively reduced, the light weight of the vehicle is facilitated, and the production cost can be reduced. For example, the first beam 30 and the second beam 40 may each be extruded aluminum.

In some embodiments, the first cross member 30, the second cross member 40 and the longitudinal member 10 may be formed into the subframe 100 by tailor welding of aluminum, which can meet the requirements of process, cost and weight, ensure high structural strength of the subframe 100, and is beneficial to reducing the production cost.

Other constructions and operations of the subframe 100 and vehicle according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "particular embodiment," "example," etc., 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 utility model. 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 utility model 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 utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A subframe (100) comprising:

the device comprises a longitudinal beam (10), wherein the longitudinal beam (10) is provided with a mounting bracket (11) for mounting a control arm (200);

the gasket assembly (20), at least part of the gasket assembly (20) is located between the mounting bracket (11) and the control arm (200), and the gasket assembly (20) is clamped with the mounting bracket (11).

2. The subframe (100) of claim 1 wherein said gasket assembly (20) comprises:

the gasket comprises a first gasket (21) and a second gasket (22), wherein the first gasket (21) and the second gasket (22) are arranged at intervals, and the first gasket (21) and the second gasket (22) are respectively provided with a mounting hole (23) for penetrating a fastener (300);

linkage segment (24), the both ends of linkage segment (24) respectively with the one end of first gasket (21) with the one end of second gasket (22) is connected, installing support (11) card is located between first gasket (21) and second gasket (22), first gasket (21) are located installing support (11) with between control arm (200), be equipped with on installing support (11) with through hole (111) that mounting hole (23) are relative, fastener (300) are worn to locate two mounting hole (23) with through hole (111) in order to incite somebody to action control arm (200) with installing support (11) are fixed.

3. The subframe (100) of claim 1 wherein said shim assembly (20) is a steel member.

4. The subframe (100) of claim 1 wherein said mounting brackets (11) are two spaced apart along the length of said side member (10), said shim packs (20) are two in one-to-one correspondence, and said control arm (200) is located between said two mounting brackets (11).

5. The subframe (100) of claim 1 wherein said longitudinal beams (10) are two, two of said longitudinal beams (10) are spaced apart, said mounting bracket (11) is disposed on each of said longitudinal beams (10), and said mounting bracket (11) is located on a side of said two longitudinal beams (10) remote from each other.

6. The subframe (100) of claim 5 wherein said subframe (100) comprises a reference plane perpendicular to the direction of alignment of said two longitudinal beams (10), said two longitudinal beams (10) being structurally symmetrical about said reference plane.

7. The subframe (100) of claim 5 wherein said subframe (100) further comprises:

the novel longitudinal beam comprises a first transverse beam (30) and a second transverse beam (40), wherein two ends of the first transverse beam (30) and two ends of the second transverse beam (40) are respectively connected with the longitudinal beam (10) on the corresponding side, the first transverse beam (30) and the second transverse beam (40) are arranged at intervals in the length direction of the longitudinal beam (10), and the first transverse beam (30), the second transverse beam (40) and the longitudinal beam (10) are connected through welding.

8. The subframe (100) of claim 1 wherein said side members (10) are solid die cast parts.

9. A vehicle, characterized by comprising:

a control arm (200);

the subframe (100) of any of claims 1-8, wherein the control arm (200) and the mounting bracket (11) are coupled by a fastener (300), and at least a portion of the shim assembly (20) is located between the control arm (200) and the mounting bracket (11).

10. The vehicle of claim 9, characterized in that one end of the control arm (200) is provided with a bushing, and the fastener (300) is threaded through the mounting bracket (11), the shim pack (20) and the bushing to secure the control arm (200) and the mounting bracket (11).