CN217864348U - Auxiliary frame and vehicle - Google Patents

Abstract

The application discloses sub vehicle frame and vehicle. The auxiliary frame provided by the embodiment of the application is used for a vehicle. The vehicle includes a side rail. The auxiliary frame comprises a body, a support, a suspension and a vertical plate. The bracket is arranged on the body. The suspension is connected with the bracket. The vertical plate is connected with the support, and the vertical plate is used for being connected with a longitudinal beam of the vehicle. So, can make suspension, support and body on longeron and the sub vehicle frame be connected in order as a whole through the setting of riser to promote the vehicle at the ascending dynamic stiffness of length direction, solve the NVH vibration noise problem of vehicle, promote the travelling comfort of vehicle. Meanwhile, the problem that the auxiliary frame and the vehicle body of the vehicle can not be fixed after the support and the vehicle body are assembled together can be avoided.

Description

Auxiliary frame and vehicle

Technical Field

The application relates to the technical field of automobiles, in particular to an auxiliary frame and a vehicle.

Background

With the development of the automobile industry, automobiles are not only travel tools, but also people have higher and higher requirements on the comfort of the automobiles, and the requirements on improving the modal requirements of parts on transmission paths of various excitation sources or increasing the blocking transmission paths of dampers during the initial design of the automobiles are required. In the related art, the solutions such as hydraulic mount, rubber mount or damper are usually adopted to reduce the vehicle vibration and the vibration transmission path, but the NVH noise problem caused by the engine vibration cannot be avoided.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sub frame and a vehicle.

The embodiment of the application provides a sub frame for a vehicle. The vehicle includes a longitudinal beam. The auxiliary frame comprises a body, a support, a suspension and a vertical plate. The bracket is arranged on the body. The suspension is connected with the bracket. The vertical plate is connected with the support, and the vertical plate is used for being connected with a longitudinal beam of the vehicle.

So, can make suspension, support and body on longeron and the sub vehicle frame be connected in order as a whole through the setting of riser to promote the vehicle at the ascending dynamic stiffness of length direction, solve the NVH vibration noise problem of vehicle, promote the travelling comfort of vehicle. Meanwhile, the problem that the auxiliary frame and the vehicle body of the vehicle can not be fixed after the support and the vehicle body are assembled together can be avoided.

In some embodiments, the bracket is formed with a mounting plate for attaching the riser, the riser being disposed perpendicular to the mounting plate for attachment to a side of the stringer.

In some embodiments, the vertical plate includes a first reinforcing rib, a connecting plate, and a second reinforcing rib, the connecting plate connects the first reinforcing rib and the second reinforcing rib, and the first reinforcing rib and the second reinforcing rib are spaced apart from each other along the extending direction of the longitudinal beam.

In some embodiments, the number of the vertical plates is two, and two vertical plates are arranged on the mounting plate along the extending direction of the longitudinal beam.

In some embodiments, the suspension is disposed between the two vertical plates along the extending direction of the longitudinal beam.

In some embodiments, the mounting plate has a recess formed therein for receiving a portion of the stringer.

In some embodiments, the subframe includes a first connector, and the riser is connected to a longitudinal beam of the vehicle via the first connector.

In some embodiments, the subframe further includes a bushing, and the first connecting member is disposed through the bushing to connect the upright plate and the longitudinal beam of the vehicle.

In certain embodiments, the subframe includes a second link, and the suspension is coupled to the bracket via the second link.

The vehicle that this application embodiment provided includes longeron and above-mentioned any embodiment the sub vehicle frame, the sub vehicle frame with the longeron is connected.

Additional aspects and advantages of the present application 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 present application.

Drawings

The above and/or additional aspects and advantages of the present application 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 structural view of a subframe and a side rail according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of the subframe and side rails according to the embodiment of the present disclosure;

FIG. 3 is a schematic plan view of a vehicle according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a subframe and a side rail according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a vertical plate according to an embodiment of the present application.

Description of the main element symbols: the auxiliary frame 10, the body 11, the front cross beam 111, the left longitudinal beam 112, the rear cross beam 113, the bracket 12, the mounting plate 121, the recess 1211, the suspension 13, the upright plate 14, the first reinforcing rib 141, the connecting plate 142, the second reinforcing rib 143, the first connecting member 15, the shaft sleeve 16, the second connecting member 17, the vehicle 100, the longitudinal beam 20 and the vehicle body 30.

Detailed Description

Reference will now be made in detail to embodiments of the present application, 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 functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to 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 manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to 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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1-3, a subframe 10 according to an embodiment of the present disclosure is provided for a vehicle 100. Vehicle 100 includes a side rail 20. The subframe 10 includes a body 11, a bracket 12, a suspension 13, and a riser 14. The bracket 12 is provided on the body 11. The suspension 13 is connected to the support 12. The vertical plate 14 is connected with the bracket 12, and the vertical plate 14 is used for being connected with a longitudinal beam 20 of the vehicle 100.

Referring to fig. 1 and 3, a vehicle 100 according to an embodiment of the present disclosure includes a subframe 10 and a side member 20. The subframe 10 is connected to the longitudinal member 20.

In this way, the longitudinal beam 20 can be connected with the suspension 13, the bracket 12, the body 11 and the like on the subframe 10 as a whole through the arrangement of the vertical plate 14, so that the dynamic stiffness of the vehicle 100 in the length direction is improved, the NVH vibration noise problem of the vehicle 100 is solved, and the comfort of the vehicle 100 is improved. Meanwhile, the problem that the subframe 10 cannot be fixed to the vehicle body 30 after the subframe is attached to the vehicle body 30 of the vehicle 100 can be avoided.

Specifically, the subframe 10 is an auxiliary device by which suspension links of the vehicle 100 can be connected to the body 30 of the vehicle 100 through the subframe 10. After the vehicle 100 is provided with the auxiliary frame 10, the vibration of the suspension component of the vehicle 100 is transmitted to the auxiliary frame 10, and then the vibration is transmitted to the vehicle body 30 through the buffering of the auxiliary frame 10, so that the vibration amplitude can be greatly reduced, and the comfort of the whole vehicle is improved.

The body 11 may be made of a metal material to ensure strength and rigidity of the body 11. In one embodiment, the body 11 is made of 45 gauge steel to ensure the safety of the subframe 10.

In another embodiment, the body 11 is made of an aluminum alloy material, so that the subframe 10 can be lightened to increase the driving range of the vehicle 100 while ensuring the safety of the subframe 10.

The body 11 has a substantially rectangular frame structure, and the body 11 of the present embodiment includes a front cross member 111, a left side member 112, a rear cross member 113, and a right side member (not shown) connected in this order. The body 11 may be formed by integral molding or may be formed separately and then formed by welding or bolting, and the forming manner of the body 11 is not limited herein.

The front cross beam 111 and the rear cross beam 113 are arranged at intervals along the length direction of the subframe 10, the left longitudinal beam 112 and the right longitudinal beam are arranged at intervals along the length direction of the subframe 10, the left longitudinal beam 112 is connected with the front cross beam 111 and the rear cross beam 113 on the left side, and the right longitudinal beam is connected with the front cross beam 111 and the rear cross beam 113, so that a rectangular frame structure is formed.

The left and right longitudinal beams 112 are substantially parallel to the longitudinal beams 20 of the vehicle 100.

The bracket 12 is used to support the suspension 13. The bracket 12 may be fixed to the body 11 by means of a bolt connection. The suspension 13 can be connected with the bracket 12 through a bolt connection mode, so that the suspension 13 is arranged on the body 11 through the bracket 12, and the longitudinal beam 20 is connected with the bracket 12 through the vertical plate 14, so that the connection of the longitudinal beam 20 with the suspension 13, the bracket 12 and the body 11 can be realized, the dynamic stiffness of the vehicle 100 in the length direction Y is improved, and the problem that the NVH performance of the vehicle 100 is improved due to vibration noise of the vehicle 100 is solved.

The mount 13 is used to engage the powertrain and body 30 of the vehicle 100. Specifically, the suspension 13 can support the powertrain of the vehicle 100, reduce the influence of the vibration of the powertrain on the vehicle 100, limit the shaking amount of the powertrain, and ensure the NVH performance of the entire vehicle.

Where dynamic stiffness is the ability to resist deformation under dynamic loading, insufficient dynamic stiffness will adversely affect the fatigue life of the structural members of the body 30 of the vehicle 100 and the comfort of the vehicle.

In one embodiment, after the longitudinal beam 20 is connected with the bracket 12 by the vertical plate 14, the dynamic stiffness of the vehicle 100 in the length direction Y can be improved from 1.4kn.mm to 12kn.mm, so that the comfort of the vehicle 100 can be greatly improved.

It should be noted that, the number of the brackets 12 and the suspensions 13 may be multiple, and the number of the brackets 12 and the suspensions 13 is the same, and one bracket 12 is correspondingly connected with one suspension 13. In another embodiment, the number of the brackets 12 is two, the brackets 12 are respectively arranged on the left longitudinal beam 112 and the right longitudinal beam, each bracket 12 is connected with one suspension 13, a vertical plate 14 is further arranged on each bracket 12, the longitudinal beams 20 on two sides of the vehicle 100 are connected with the brackets 12 through the connection with the vertical plates 14, so that the longitudinal beams 20 are connected with the subframe 10 to form a whole to improve the dynamic stiffness of the vehicle 100 in the length direction Y, the NVH vibration noise problem of the vehicle 100 is solved, and the comfort of the vehicle 100 is improved.

Referring to fig. 2 and 4, in some embodiments, the bracket 12 is formed with a mounting plate 121, the mounting plate 121 is used for connecting the vertical plate 14, and the vertical plate 14 is vertically disposed on the mounting plate 121 to connect with the side 21 of the longitudinal beam 20. In this way, the mounting plate 121 enables the vertical plate 14 to be more stably disposed on the bracket 12, thereby improving the stability of the connection between the vertical plate 14 and the longitudinal beam 20. Further, the side surfaces 21 of the side members 20 are connected to the subframe 10, so that the dynamic rigidity of the vehicle 100 in the width direction can be improved.

The mounting plate 121 is disposed on the side of the bracket 12 facing away from the body 11. The vertical plate 14 can be made of a metal material to ensure the strength of the vertical plate 14, so that the vertical plate 14 is prevented from being easily deformed due to stress. The shape of the vertical plate 14 may be rectangular, trapezoidal, or cylindrical, etc., without limitation. The vertical plate 14 can be connected with the mounting plate 121 by welding, the vertical plate 14 and the mounting plate 121 can also be made by integral molding, and the like, and the connection mode of the vertical plate 14 and the mounting plate 121 is not limited herein.

Referring to fig. 1, 2 and 5, in some embodiments, the vertical plate 14 includes a first reinforcing rib 141, a connecting plate 142 and a second reinforcing rib 143, the connecting plate 142 connects the first reinforcing rib 141 and the second reinforcing rib 143, and the first reinforcing rib 141 and the second reinforcing rib 143 are spaced apart from each other along the extending direction a of the longitudinal beam 20. In this way, the first reinforcing rib 141 and the second reinforcing rib 143 can reinforce the rigidity of the connecting plate 142, and prevent the vertical plate 14 from being deformed by a force to affect the connection with the longitudinal beam 20.

Specifically, the first reinforcing rib 141 and the second reinforcing rib 143 extend from the connecting plate 142 in a direction away from the longitudinal beam 20, the connecting plate 142 is disposed parallel to the side surface 21 of the longitudinal beam 20, the connecting plate 142 is used for connecting with the longitudinal beam 20, the first reinforcing rib 141 and the second reinforcing rib 143 reinforce the supporting connecting plate 142, the connecting plate 142 is prevented from being bent along the height direction of the subframe 10 to affect the connection with the longitudinal beam 20,

the first reinforcing rib 141, the connecting plate 142 and the second reinforcing rib 143 may be connected by welding, or may be formed by integral molding, which is not limited herein. Note that the extending direction a of the side member 20 is parallel to the longitudinal direction Y of the vehicle 100.

In one embodiment, along the extending direction a of the longitudinal beam 20, the first reinforcing rib 141 and the second reinforcing rib 143 are arranged in parallel, the first reinforcing rib 141 and the second reinforcing rib 143 are both arranged perpendicular to the connecting plate 142, and the connecting plate 142 is arranged in parallel with the longitudinal beam 20. In one embodiment, an angle is formed between the first reinforcing rib 141 and the second reinforcing rib 143, the connecting plate 142 connects the first reinforcing rib 141 and the second reinforcing rib 143, and the connecting plate 142 is disposed parallel to the longitudinal beam 20.

Referring to fig. 1 and 2, in some embodiments, the number of the vertical plates 14 is two, and two vertical plates 14 are disposed on the mounting plate 121 along the extending direction a of the longitudinal beam 20. Thus, the two vertical plates 14 are connected with the longitudinal beam 20, the stability of connection between the longitudinal beam 20 and the support 12 can be greatly improved by arranging the two vertical plates 14, the falling off is avoided, meanwhile, the longitudinal beam 20 and the auxiliary frame 10 can be connected as a whole, the dynamic stiffness of the vehicle 100 in the length direction Y is improved, and the problem of NVH vibration noise is solved.

It is understood that the number of the vertical plates 14 can be plural, such as two, three, four or five, etc., and is not limited herein. Along the extending direction a of the longitudinal beam 20, a plurality of vertical plates 14 are arranged on the mounting plate 121 at intervals, and the plurality of vertical plates 14 are all connected with the longitudinal beam 20, so that the stability of the connection between the longitudinal beam 20 and the bracket 12 can be greatly improved,

referring to fig. 1 and 2, in some embodiments, the suspension 13 is disposed between the two vertical plates 14 along the extending direction a of the longitudinal beam 20. In this way, when the longitudinal beam 20 is impacted and the impact force is transmitted to the vertical plate 14, the suspension 13 can reduce the influence of the vibration of the engine on the whole vehicle 100 and limit the shaking amount of the power assembly from two sides along the extending direction a of the longitudinal beam 20.

In some embodiments, in a second direction B perpendicular to the extension direction a of the longitudinal beam 20, the distance between the riser 14 and the longitudinal beam 20 is smaller than the distance between the suspension 13 and the longitudinal beam 20. In this manner, the overhang 13 can function as a back-off stringer 20 to facilitate attachment of the stringer 20 to the riser 14.

Referring to fig. 1, 2 and 4, in some embodiments, a recess 1211 is formed on the mounting plate 121, and the recess 1211 is used for receiving a portion of the longitudinal beam 20. In this way, when the longitudinal beam 20 is connected to the vertical plate 14, the recessed portion 1211 can be used to bear a part of the longitudinal beam 20, and at the same time, the installation height of the longitudinal beam 20 on the subframe 10 can be reduced.

Referring to fig. 1, 2 and 4, in some embodiments, the subframe 10 includes a first connecting member 15, and the vertical plate 14 is connected to the longitudinal beam 20 of the vehicle 100 through the first connecting member 15. In this way, the longitudinal beam 20 and the vertical plate 14 are connected through the first connecting member 15, so that the longitudinal beam 20 is connected with the suspension 13, the bracket 12, the body 11 and the like on the subframe 10 as a whole, thereby improving the dynamic stiffness of the vehicle 100 in the length direction Y, solving the problem of NVH vibration noise of the vehicle 100, and improving the comfort of the vehicle 100.

In one embodiment, the first connecting member 15 is a bolt, and the bolt is used to pass through the longitudinal beam 20 and the vertical plate 14 and is screwed with a nut to complete the connection of the longitudinal beam 20 and the vertical plate 14.

The number of the first connecting members 15 may be plural, such as two, three, or four, and the like, which is not limited herein. A plurality of first connecting members 15 may be disposed at intervals on one vertical plate 14, and the plurality of first connecting members 15 may improve the stability of the connection between the longitudinal beam 20 and the vertical plate 14 to improve the comfort of the vehicle 100.

Referring again to fig. 1, 2 and 4, in some embodiments, the subframe 10 further includes a shaft sleeve 16, and the first connecting member 15 is disposed through the shaft sleeve 16 to connect the vertical plate 14 and the longitudinal beam 20 of the vehicle 100. In this way, the shaft sleeve 16 can reinforce the connection between the longitudinal beam 20 and the vertical plate 14, so that the vertical plate 14 can be connected with the longitudinal beam 20 more stably.

Specifically, when the first connecting element 15 is inserted into the shaft sleeve 16 to connect the vertical plate 14 with the longitudinal beam 20 of the vehicle 100, one end of the shaft sleeve 16 is connected with the vertical plate 14, and the other end is connected with the longitudinal beam 20. The shaft sleeve 16 can be sleeved outside the first connecting piece 15, and can also play a role in protecting the first connecting piece 15 and reducing the abrasion of the first connecting piece 15.

The bushing 16 can be made of a material with high wear resistance, so that the number of times of replacing the bushing 16 can be reduced, and the maintenance cost can be saved. In one embodiment, bushing 16 is formed from a steel material. The shaft sleeve 16 may be a hollow cylinder or a hollow cylinder with steps, and the shape of the shaft sleeve 16 is not limited herein.

Referring to fig. 1 and 2, in some embodiments, the subframe 10 may further include a second connecting member 17, and the suspension 13 is connected to the bracket 12 through the second connecting member 17. So, be connected through second connecting piece 17 between suspension 13 and the support 12 for suspension 13 can stabilize more and set up on support 12, thereby guarantee the stability of the installation of suspension 13 and make suspension 13 can effectively reduce and control the transmission of engine vibration, thereby solve vehicle 100's NVH vibration noise problem, promote vehicle 100's travelling comfort.

The number of the second connecting members 17 can be multiple, and the multiple second connecting members 17 can improve the stability of connection between the suspension 13 and the bracket 12, reduce the influence of vibration of an engine on the whole vehicle 100, and avoid the suspension 13 from shaking or falling off and the like in the driving process of the vehicle 100. In one embodiment, four second connecting members 17 are used to penetrate the bracket 12 and four corners of the suspension 13, and are screwed with four nuts to fixedly mount the suspension 13 on the bracket 12, and the second connecting members 17 are bolts.

In another embodiment, the nut is welded on the side of the vertical plate 14 away from the longitudinal beam 20, the vertical plate 14 is welded on the bracket 12, and the suspension 13 is fixed on the bracket 12 through 4 second connecting pieces 17. And lifting the power assembly device (comprising the suspension 13 and the body 11) of the vehicle 100 integrally to be assembled with the vehicle body 30, placing the shaft sleeve 16 through the longitudinal beam 20 of the vehicle body 30 at the assembly high-speed position, enabling the shaft sleeve 16 to be in contact with the longitudinal beam 20 and the vertical plate 14, and fastening the first connecting piece 15 and the nut on the vertical plate 14 by using an electric gun, so that the sub-frame 10 and the vehicle body 30 of the vehicle 100 are assembled. The longitudinal beam 20 of the vehicle body 30 and the subframe 10 can be connected as a whole through the arrangement of the vertical plate 14, so that the dynamic stiffness of the vehicle 100 in the length direction Y is improved, and the NVH vibration noise problem of the vehicle 100 is solved.

In the description herein, references to the description of the terms "one embodiment," "certain 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 application. In this specification, schematic representations of the above terms 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 application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A sub frame for a vehicle, the vehicle including a longitudinal beam, the sub frame comprising:

a body;

a bracket disposed on the body;

a suspension connected with the bracket; and

the vertical plate is connected with the support and is used for being connected with the longitudinal beam.

2. The subframe of claim 1 wherein said support bracket is formed with a mounting plate for attachment to said riser, said riser being vertically disposed on said mounting plate for attachment to a side of said side member.

3. The subframe of claim 2 wherein said riser includes a first rib, a web and a second rib, said web connecting said first rib and said second rib, said first rib and said second rib being spaced apart along the direction of extension of said side member.

4. The subframe of claim 2 wherein said vertical plates are two in number, and two vertical plates are disposed on said mounting plate along the direction of extension of said longitudinal beams.

5. The subframe of claim 4 wherein said suspension is disposed between said risers along a direction of extension of said side rails.

6. The subframe of claim 2 wherein said mounting plate defines a recess for receiving a portion of said side member.

7. The subframe of claim 1 wherein said subframe includes a first connector, said riser being connected to a longitudinal rail of said vehicle by said first connector.

8. The subframe of claim 7 further comprising a bushing, wherein said first connector is disposed through said bushing to connect said riser to a longitudinal member of said vehicle.

9. The subframe of claim 1 wherein said subframe includes a second connector, said suspension being connected to said bracket by said second connector.

10. A vehicle, characterized by comprising:

a stringer; and

the subframe of any one of claims 1-9, wherein said subframe is coupled to said rail.

Images