CN220549101U - Auxiliary frame cross beam, auxiliary frame assembly and vehicle - Google Patents

Abstract

The utility model discloses a subframe crossbeam, a subframe assembly and a vehicle. The subframe crossbeam includes: a crossbeam body with a first cavity formed in the crossbeam body; and a reinforcing plate located in the first cavity. Inside, the reinforcing plate and the beam body jointly define a second cavity. As a result, the first cavity and the second cavity in the beam body form a double-layer box-like structure, which can enhance the strength and stiffness of the beam position, thereby reducing the frequency of vibration of the beam. In addition, the first cavity and the second cavity The cavity can also be used as an energy-absorbing cavity, which can absorb the energy transmitted by vibration, thereby preventing the generation of noise.

Description

Auxiliary frame cross beam, auxiliary frame assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to an auxiliary frame cross beam, an auxiliary frame assembly and a vehicle.

Background

In the prior art, the intensity of the auxiliary frame cross beam is insufficient, abnormal sound is generated on the cross beam due to the excitation of the power assembly and the excitation of the tire, and the vibration is larger, so that the intensity of the cross beam and the rear suspension mounting point is weaker, the integral intensity of the auxiliary frame cross beam is mainly insufficient, the structure is weaker, and the occurrence of vibration and the generation of noise in the vehicle are easily caused.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a sub-frame rail that can strengthen the strength and rigidity of the sub-frame rail itself, thereby reducing the frequency of occurrence of vibration of the rail, and also absorbing energy transmitted by the vibration, thereby preventing the generation of noise.

The utility model further provides a subframe assembly.

The utility model further provides a vehicle.

An embodiment of a subframe rail according to the first aspect of the utility model comprises: the beam body is internally provided with a first cavity; and the reinforcing plate is positioned in the first cavity, and the reinforcing plate and the beam body jointly define a second cavity.

Therefore, the first cavity and the second cavity in the beam body form a double-layer box-shaped structure, the strength and the rigidity of the beam position can be enhanced, so that the frequency of beam vibration can be reduced, and the first cavity and the second cavity can also be used as energy absorption cavities and can absorb energy of vibration transmission, so that noise can be prevented.

According to some embodiments of the utility model, the beam body comprises: the beam upper plate is arranged above the beam lower plate and forms a first cavity together with the beam lower plate, and the reinforcing plate and the beam lower plate define a second cavity together.

According to some embodiments of the utility model, the stiffener includes: the side plate is connected to one side of the reinforcing main plate and is fixedly connected with the beam lower plate, the reinforcing main plate is respectively fixedly connected with the beam upper plate and the beam lower plate, the reinforcing main plate, the side plate and the beam lower plate jointly define the second cavity, and the top of the reinforcing main plate and the top of the beam upper plate are arranged at intervals in the up-down direction.

According to some embodiments of the utility model, the two side edges of the lower plate of the cross beam are provided with lap joints, and the front sides of the lap joints extend forwards to form extension parts, and the lap joints and the extension parts are fixedly connected with the longitudinal beams.

According to some embodiments of the utility model, the lap joint is provided with a ring groove bead structure.

According to some embodiments of the utility model, an avoidance recess is formed on the outer side of the front upper portion of the cross beam, the avoidance recess is used for avoiding the power assembly, and the reinforcing plate is fixedly connected with the inner side of the avoidance recess.

An embodiment of a subframe assembly according to a second aspect of the present utility model comprises: the subframe cross member described above.

According to some embodiments of the utility model, the subframe assembly further comprises: the mounting bracket is arranged on the beam body and used for being suspended after being mounted, and the reinforcing plate and the mounting bracket are arranged at intervals in the transverse direction.

According to some embodiments of the utility model, the mounting bracket is a cast metal bracket.

According to an embodiment of the third aspect of the present utility model, a vehicle includes: the auxiliary frame assembly.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a subframe assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a cross beam according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a mounting bracket and cross beam assembly in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of a structure in which a first cavity and a second cavity are formed inside a beam according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a structure in which a reinforcing plate is provided at a lower plate of a cross member according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a reinforcing plate according to an embodiment of the present utility model;

FIG. 7 is a schematic structural view of a mounting bracket according to an embodiment of the present utility model;

fig. 8 is a schematic view of a cross beam lower plate ring groove bead arrangement according to an embodiment of the present utility model.

Reference numerals:

200. a subframe assembly;

100. a cross beam;

12. a beam body; 121. a cross beam upper plate; 122. a cross beam lower plate;

13. a first cavity; 14. a longitudinal beam; 15. avoiding the dent;

16. a reinforcing plate; 161. reinforcing the main board; 162. a side plate; 17. a second cavity;

20. front suspension; 30. rear suspension;

40. a mounting bracket; 41. a holder main body; 42. a mounting part; 50. a fastener;

51. a ring groove weld bead structure; 52. an extension; 53. and a lap joint part.

Detailed Description

Embodiments of the present utility model will be described in detail below, with reference to the accompanying drawings, which are exemplary.

A subframe rail 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 8, and the subframe rail 100 may be a front rail or a rear rail, and will be described below by taking the rear rail as an example.

As shown in fig. 1-4, a subframe rail 100 according to an embodiment of the first aspect of the utility model comprises: the beam body 12 and the reinforcing plate 16, the beam body 12 is formed with the first cavity 13, the reinforcing plate 16 is located in the first cavity 13, and the reinforcing plate 16 and the beam body 12 together define the second cavity 17.

Specifically, as shown in fig. 1 to 4, the power assembly and the tire are disposed close to the cross beam 100, so that the vibration and noise generated by the power assembly and the tire are caused to the cross beam 100, and therefore, in order to reduce the influence of the excitation generated by the power assembly and the tire on the cross beam 100, the sub-frame cross beam 100 mainly comprises a cross beam body 12 and a reinforcing plate 16, a first cavity 13 is formed in the cross beam body 12, the cross beam 100 is in a box-shaped structure, and due to the characteristic of good stability of the box-shaped structure, the overall strength of the position can be further improved, the frequency of vibration generation can be reduced, the first cavity 13 can also form an energy absorption cavity, the noise generated at the cross beam 100 can be absorbed, the reinforcing plate 16 is arranged in the first cavity 13, so that the strength and rigidity of the position of the beam 100 can be further enhanced, the frequency of vibration can be reduced, the reinforcing plate 16 and the beam body 12 together define the second cavity 17, the first cavity 13 and the second cavity 17 form a double-layer box-shaped structure, the strength of the beam 100 can be further improved, the beam is more stable, the first cavity 13 and the second cavity 17 can also serve as energy absorption cavities, and vibration and noise generated at the beam 100 can be absorbed through the first cavity 13 and the second cavity 17, so that the strength and rigidity of the beam 100 can be ensured, and the frequency of vibration and noise generation can be reduced.

Therefore, the first cavity 13 and the second cavity 17 in the beam body 12 form a double-layer box-shaped structure, so that the strength and the rigidity of the position of the beam 100 can be enhanced, the frequency of vibration of the beam 100 can be reduced, and the first cavity 13 and the second cavity 17 can also serve as energy absorption cavities, can absorb energy transmitted by vibration, and can prevent noise.

According to some embodiments of the present utility model, as shown in fig. 1 and 4, the beam body 12 includes: the beam upper plate 121 and the beam lower plate 122, the beam upper plate 121 is disposed above the beam lower plate 122, and the beam upper plate 121 and the beam lower plate 122 together form the first cavity 13, and the reinforcing plate 16 and the beam lower plate 122 together define the second cavity 17. The first cavity 13 is formed by the beam upper plate 121 and the beam lower plate 122, the space is large, the energy transferred by vibration can be fully absorbed, the occurrence of vibration can be reduced, the reinforcing plate 16 is arranged at the position where the strength of the beam 100 is weak, the strength of the beam 100 can be increased, the reinforcing plate 16 and the beam lower plate 122 jointly define the second cavity 17, the second cavity 17 is positioned in the first cavity 13 to form a double-layer box-shaped structure, the strength of the beam 100 can be improved, the beam is more stable, and when the excitation of a motor and the excitation of a tire in the power assembly are transferred to the position, the stability of the position can be increased due to the double-layer box-shaped structure formed by the first cavity 13 and the second cavity 17, and the first cavity 13 and the second cavity 17 can also serve as energy absorption cavities, so that the vibration and noise generated at the position of the beam 100 can absorb the energy through the first cavity 13 and the second cavity 17, the strength and the rigidity of the beam 100 can be ensured, and the frequency of the vibration can be reduced.

According to some embodiments of the present utility model, as shown in fig. 4-6, the reinforcement plate 16 includes: the reinforcing main board 161 and the side board 162, the side board 162 is connected to one side of the reinforcing main board 161, the side board 162 is fixedly connected with the beam lower board 122, the reinforcing main board 161 is fixedly connected with the beam upper board 121 and the beam lower board 122 respectively, the reinforcing main board 161, the side board 162 and the beam lower board 122 jointly define the second cavity 17, and the top of the reinforcing main board 161 and the top of the beam upper board 121 are arranged at intervals in the up-down direction. Specifically, the reinforcement main board 161 can provide a supporting effect for the beam upper plate 121 and the beam lower plate 122, the reinforcement main board 161 can increase the strength and rigidity of the beam upper plate 121 and the beam lower plate 122, the top of the reinforcement main board 161 and the top of the beam upper plate 121 are arranged at intervals in the up-down direction, the cavity formed by the top of the reinforcement main board 161 and the top of the beam upper plate 121 at intervals and the second cavity 17 form a double-layer box-shaped structure, and the characteristics of good stability of the box-shaped structure are utilized, so that the strength and rigidity of the beam 100 can be increased.

According to some embodiments of the present utility model, as shown in fig. 8, the lower plate 122 of the cross member is provided with a bridging portion 53 at both side edges thereof, and the front side of the bridging portion 53 is extended forward to form an extension portion 52, and both the bridging portion 53 and the extension portion 52 are fixedly connected to the longitudinal member 14. The front side of the lap joint portion 53 provided at the edges of the two sides of the lower beam plate 122 has an extending portion 52 extending forward, the lap joint portion 53 and the extending portion 52 are fixedly connected with the longitudinal beam 14 through welding, the contact area between the extending portion 52 and the longitudinal beam 14 can be increased, and the welding length of the welding seam can be increased, so that the connection strength between the lower beam plate 122 and the longitudinal beam 14 can be improved.

According to some embodiments of the present utility model, as shown in fig. 8, the lap portion 53 is provided with a ring groove bead structure 51, and the ring groove bead structure 51 is provided, so that the bead can be increased, the stress distribution of the cross beam 100 and the longitudinal beam 14 can be more reasonable, and the strength of the position can be improved.

According to some embodiments of the present utility model, as shown in fig. 1 and 2, the outer side of the front upper portion of the cross beam 100 is provided with a relief recess 15, the relief recess 15 is used for a relief power assembly, and the reinforcing plate 16 is fixedly connected with the inner side of the relief recess 15. Specifically, dodge sunken 15 is set up in the front upper portion outside of crossbeam 100, dodge sunken 15 can dodge the motor in the power assembly, dodge sunken 15's setting and lead to crossbeam 100's local area of stress to reduce, intensity is weaker like this, for promoting crossbeam 100 area of stress's intensity less department, dodge the crossbeam 100 inside department of sunken 15 below and set up reinforcing plate 16, reinforcing plate 16's setting can promote crossbeam 100 in intensity and rigidity of the less department of area of stress.

As shown in fig. 1, a subframe assembly 200 according to an embodiment of the second aspect of the present utility model includes: the subframe rail 100 of the above embodiment. The subframe assembly 200 may be a front subframe assembly or a rear subframe assembly of the vehicle, and a front subframe assembly will be described below.

According to some embodiments of the present utility model, as shown in fig. 1 and 3, the sub-frame rail 100 further includes: the mounting bracket 40, the mounting bracket 40 is disposed on the beam body 12, and the mounting bracket 40 is used for mounting the rear suspension 30, and the mounting bracket 40 and the reinforcing plate 16 are laterally spaced apart. Wherein the mounting bracket 40 includes: the rear suspension 30 is arranged on the support body 41, the mounting portions 42 are connected to two sides of the support body 41 and fixedly connected with the beam body 12, the rear suspension 30 is fixedly connected to the support body 41 of the mounting support 40, the support strength and rigidity of the support body 41 to the rear suspension 30 can be improved, a containing groove is formed in the middle of the support body 41, the rear suspension 30 and the support body 41 can be conveniently and fixedly connected, interference is prevented, further, the mounting portions 42 are arranged on two sides of the support body 41, the support body 41 is fixedly connected with the beam body 12 through the mounting portions 42, vibration excitation generated at the position of the rear suspension 30 can be transmitted to the mounting portions 42 through the support body 41, and finally transmitted to the beam body 12, so that the vibration excitation can be gradually reduced, vibration is transmitted in a gradually attenuated mode, vibration and accordingly vibration and noise of the whole sub-frame assembly 100 can be reduced, and further, the mounting support 40 and the reinforcing plate 16 are arranged at intervals in the transverse direction, and therefore the strength of the mounting point and the mounting point of the mounting support 40 on the beam body 12 can be further increased.

In addition, a plurality of mounting holes are formed in each mounting portion 42, and at least two fasteners 50 are correspondingly arranged in the mounting holes in the mounting portions 42 in a penetrating manner to be fixedly connected with the beam body 12, so that the connection is stable and firm, the mounting portions 42 are integrally designed in a curve shape, the frequency of vibration can be further reduced, and the safety of the auxiliary frame assembly 100 can be improved.

According to some embodiments of the utility model, as shown in FIG. 1, the mounting bracket 40 is a cast metal bracket. Specifically, to improve the strength at the mounting point of the rear suspension 30, the mounting bracket 40 is configured as a cast metal bracket, so that the strength and rigidity at the mounting position of the rear suspension 30 and the beam body 12 can be increased, and thus vibration transmission energy of power assembly excitation and tire excitation can be effectively attenuated, vibration and noise in the vehicle can be reduced, riding comfort of passengers in the vehicle can be improved, and the risk of local tearing on the beam body 12 can be avoided, so that reliability and safety of the subframe assembly 200 can be improved.

According to an embodiment of the third aspect of the present utility model, a vehicle includes: the subframe assembly 200 of the above-described embodiment. The subframe assembly 200 further includes: the cross member 100 and the side members 14, the front suspension 20 is provided on the front cross member, and the rear suspension 30 is provided on the rear cross member.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

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

Claims (9)

1. A subframe rail (100), characterized by comprising:

the beam comprises a beam body (12), wherein a first cavity (13) is formed in the beam body (12);

-a reinforcing plate (16), said reinforcing plate (16) being located within said first cavity (13), said reinforcing plate (16) defining together with said beam body (12) a second cavity (17);

the front upper portion outside of crossbeam (100) is provided with dodges sunk (15), dodge sunk (15) and be used for dodging the power assembly, reinforcing plate (16) with dodge sunk (15) inboard fixed connection.

2. The subframe rail (100) of claim 1, wherein the rail body (12) comprises: the beam upper plate (121) and the beam lower plate (122), the beam upper plate (121) is arranged above the beam lower plate (122) and forms the first cavity (13) together with the beam lower plate (122), and the reinforcing plate (16) and the beam lower plate (122) define the second cavity (17) together.

3. The subframe rail (100) of claim 2, wherein the reinforcement plate (16) comprises: strengthen mainboard (161) and curb plate (162), curb plate (162) connect in one side of strengthening mainboard (161) and with crossbeam hypoplastron (122) fixed connection, strengthen mainboard (161) respectively with crossbeam upper plate (121) with crossbeam hypoplastron (122) fixed connection, strengthen mainboard (161) curb plate (162) with crossbeam hypoplastron (122) jointly define second cavity (17), the top of strengthening mainboard (161) with the top of crossbeam upper plate (121) is in upper and lower direction interval setting.

4. The subframe cross member (100) according to claim 2, wherein both side edges of the cross member lower plate (122) are provided with lap portions (53), and a front side of the lap portions (53) extends forward to form extension portions (52), the lap portions (53) and the extension portions (52) being each for fixed connection with the side members (14).

5. The subframe rail (100) of claim 4, wherein the overlap (53) is provided with a ring groove bead structure (51).

6. A subframe assembly (200), comprising: the subframe rail (100) of any one of claims 1-5.

7. The subframe assembly (200) of claim 6, further comprising: the mounting bracket (40) is arranged on the beam body (12) and used for mounting the rear suspension (30), and the mounting bracket (40) and the reinforcing plate (16) are arranged at intervals in the transverse direction.

8. The subframe assembly (200) of claim 7, wherein said mounting bracket (40) is a cast metal bracket.

9. A vehicle, characterized by comprising: the subframe assembly (200) of any one of claims 6-8.