CN218536860U

CN218536860U - Vehicle body longitudinal beam and vehicle

Info

Publication number: CN218536860U
Application number: CN202222914927.9U
Authority: CN
Inventors: 苏兴军; 岳志强
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-28
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses an automobile body longeron and vehicle, automobile body longeron includes: an inner side plate, an outer side plate and a reinforcement plate. The inner side plate comprises an inner plate body and a bottom plate body, the bottom plate body is connected with the inner plate body in a bending mode, the bottom plate body is provided with a first arch-shaped area, and a front auxiliary frame mounting point is arranged in the first arch-shaped area; the outer side plate is connected with the bottom plate body and is distributed opposite to the inner plate body; the reinforcing plate is installed between the inner plate body and the outer side plate and is provided with a second arch area which is attached to the first arch area, and the second arch area is provided with an avoidance position right opposite to the mounting point of the front auxiliary frame. The utility model discloses a preceding sub vehicle frame mounting point position department on automobile body longeron sets up first arch region and reinforcing plate, has improved the intensity in preceding sub vehicle frame mounting point position, has reduced the vibration response sensitivity of preceding sub vehicle frame mounting point position department, reduces the possibility that automobile body longeron local tear appears in the position of preceding sub vehicle frame mounting point, has increased automobile body longeron's security and stability.

Description

Vehicle body longitudinal beam and vehicle

Technical Field

The utility model relates to an automobile body longeron technical field particularly, relates to an automobile body longeron and vehicle.

Background

The front auxiliary frame of the hybrid vehicle mainly bears the excitation of a power assembly, the excitation of tire load and motion, and the excitation of steering system load and motion, and the strength of the mounting point of the front auxiliary frame directly influences the vibration noise level of the whole vehicle caused by the excitation of the power assembly, the tire and the steering system and the transmission of the excitation to the vehicle body, and also influences the reliability and the durability of the power system, the driving system and the steering system.

In the prior art, the strength of a connecting structure of a front auxiliary frame and a vehicle body is low, and the structural design of the connecting surface of the front auxiliary frame and the vehicle body for increasing the strength is unreasonable, so that the sufficient connecting strength cannot be increased; the damping capacity of the vibration excitation transmission path at the mounting point position of the front auxiliary frame is poor, the rigidity of the structural shape of the longitudinal beam of the vehicle body is not effectively utilized to improve the local rigidity of the mounting point position of the front auxiliary frame, the structural strength of the mounting point position of the vehicle frame is low, and the problem of noise vibration in the vehicle is easily caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a body longitudinal and vehicle, through construct additional strengthening on body longitudinal, improved the local intensity of preceding sub vehicle frame mounting point position, reduced local vibration response sensitivity, reduced the production of noise, increased body longitudinal's stability and security simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

according to the utility model discloses automobile body longeron, include: an inner side plate, an outer side plate and a reinforcement plate. The inner side plate comprises an inner plate body and a bottom plate body, the bottom plate body is connected with the inner plate body in a bending mode, the bottom plate body is provided with a first arched area, and a front auxiliary frame mounting point is arranged in the first arched area; the outer side plate is connected with the bottom plate body, and the outer side plate and the inner plate body are distributed oppositely; the reinforcing plate is installed in the inner plate body with between the outer panel and have with the regional laminating of first arch links to each other in the second arch is regional, the second arch is regional be equipped with the just right position of dodging of preceding sub vehicle frame mounting point.

According to the utility model discloses automobile body longeron sets up first arch region and reinforcing plate through preceding sub vehicle frame mounting point position department on automobile body longeron, has improved the intensity of preceding sub vehicle frame mounting point position, has reduced the vibration response sensitivity of preceding sub vehicle frame mounting point position department, reduces the possibility that automobile body longeron local tear appears in the position of preceding sub vehicle frame mounting point, has increased automobile body longeron's security and stability.

In addition, the vehicle body longitudinal beam according to the above embodiment of the present invention may further have the following additional technical features:

according to the utility model discloses a some embodiments, the reinforcing plate includes the mainboard body and the curb plate body, the mainboard body with the curb plate body is buckled and is linked to each other, the curb plate body with the laminating of interior plate body links to each other, the mainboard body with the laminating of bottom plate body links to each other and is formed with the second arch is regional.

According to some embodiments of the invention, the outer panel is provided with a first reinforcing recess and a second reinforcing recess, and in the projection along the vertical direction the first reinforcing recess and the second reinforcing recess are located respectively at the front side and the rear side of the front subframe mounting point.

According to some embodiments of the invention, one of the first reinforcing recess and the second reinforcing recess is configured as a triangular groove and the other is configured as an arcuate groove.

According to some embodiments of the utility model, the inner plate body is equipped with the third rib, the third rib is a plurality of, and is a plurality of in the projection of following vertically a part of third rib is located the front side of preceding sub vehicle frame mounting point and another part are located the rear side of preceding sub vehicle frame mounting point.

According to some embodiments of the invention, at least two of the third reinforcements are different in length.

According to the utility model discloses a some embodiments, the thickness of reinforcing plate is d, satisfies: d is more than or equal to 0.9mm and less than or equal to 1.9mm.

According to the utility model discloses a some embodiments, preceding sub vehicle frame mounting point structure is the mounting hole, dodge a position structure for dodging the hole, dodge the hole with the mounting hole is just to setting up, just dodge the aperture in hole and not less than the aperture of mounting hole.

According to some embodiments of the utility model, the outside border of inner plate body is equipped with first connection turn-ups, the outer panel is equipped with the second and connects the turn-ups, just the reinforcing plate is equipped with the third and connects the turn-ups, first connection turn-ups the third connect the turn-ups with the second connect the turn-ups to laminate in proper order and link to each other and all construct for the arch turn-ups.

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

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a vehicle comprises the vehicle body longitudinal beam. The advantages of the body side member relative to the prior art are the same, and are not described in detail herein.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic perspective view of a vehicle body longitudinal beam according to the present invention.

Fig. 2 is a schematic perspective view of the vehicle body longitudinal beam without the inner side plate according to the present invention.

Fig. 3 is a schematic three-dimensional structure diagram of the reinforcing plate of the vehicle body longitudinal beam of the present invention.

Fig. 4 is a bottom view of the vehicle body longitudinal member of the present invention.

Fig. 5 is a side view of the body side rail of the present invention.

Reference numerals are as follows:

100. a body rail;

10. an inner side plate; 10a, a first arched area; 10b, front auxiliary frame mounting points;

110. an inner plate body; 110a, a third reinforcement;

120. a bottom plate body;

130. a first connecting flange;

20. an outer panel; 20a, a first reinforcing recess; 20b, a second reinforcing recess;

210. a second connecting flange;

30. a reinforcing plate; 30a, a second arcuate region; 30b, an avoidance position;

310. a main board body; 320. a side plate body; 330. and the third connecting flange.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

The present invention will be described in detail with reference to fig. 1 to 5 in conjunction with the embodiments.

As shown in fig. 1 and 2, a vehicle body longitudinal beam 100 according to an embodiment of the present invention includes: an inner side plate 10, an outer side plate 20 and a reinforcement plate 30. The inner side plate 10 comprises an inner plate body 110 and a bottom plate body 120, the bottom plate body 120 is connected with the inner plate body 110 in a bending mode, the bottom plate body 120 is provided with a first arched area 10a, and a front subframe mounting point 10b is arranged in the first arched area 10 a; the outer panel 20 is connected to the bottom plate 120, and the outer panel 20 and the inner plate 110 are distributed opposite to each other; the reinforcing plate 30 is installed between the inner plate 110 and the outer plate 20 and has a second arched region 30a in abutting contact with the first arched region 10a, and the second arched region 30a is provided with a relief position 30b facing the front subframe mounting point 10 b.

Specifically, the inner panel 10 is a plate member integrally molded, the first arched area 10a provided on the inner panel 10 is an S-shaped arched area formed by two connected semi-elliptical bulges, and the front subframe mounting point 10b is provided at the vertex position of the first arched area 10a, that is, the front subframe mounting point 10b is provided at the position where the strength of the first arched area 10a is maximum; meanwhile, the reinforcing plate 30 is installed on one side of the bottom plate, which is close to the inner plate body 110, and the second arched area 30a is attached to the first arched area 10a, so that an S-shaped arched area with the same shape as the first arched area is formed, the strength and rigidity of the body longitudinal beam 100 at the front subframe mounting point 10b are further enhanced, the local tearing of the body longitudinal beam 100 at the front subframe mounting point 10b is avoided, and the service life of the body longitudinal beam 100 is prolonged.

According to the utility model discloses body longitudinal beam 100 sets up first arch region 10a and reinforcing plate 30 through preceding sub vehicle frame mounting point 10b position department on body longitudinal beam 100, has improved the intensity of preceding sub vehicle frame mounting point 10b position, has reduced the vibration response sensitivity of preceding sub vehicle frame mounting point 10b position department, reduces the possibility that body longitudinal beam 100 local tear appears in the position of preceding sub vehicle frame mounting point 10b, has increased body longitudinal beam 100's security and stability.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the reinforcing plate 30 includes a main plate body 310 and a side plate body 320, the main plate body 310 is bent and connected to the side plate body 320, the side plate body 320 is attached to the inner plate body 110, and the main plate body 310 is attached to the bottom plate body 120 and connected to the bottom plate body and formed with a second arch region 30a.

Specifically, the reinforcing plate 30 is formed integrally with the bottom plate 120, the main plate 310 is attached to the bottom plate 120 to form a second arched area 30a having an S-shape identical to the first arched area 10a, and the relief position 30b is disposed at the vertex of the second arched area 30a, i.e., the relief position 30b is located at the maximum strength of the second arched area 30a. Through laminating the inside board 10 setting with reinforcing plate 30, increased the intensity of inside board 10, the domes of second arch area 30a have reduced the sensitivity of vibration response simultaneously, and the position of dodging 30b that is located the second arch area 30a summit has increased the intensity of preceding sub vehicle frame mounting point 10 b's position department by a wide margin, can reduce the local tearing's that appears body longeron 100 in the position of preceding sub vehicle frame mounting point 10b possibility, extension body longeron 100's life.

According to some embodiments of the present invention, as shown in fig. 1, the outer panel 20 is provided with a first reinforcing recess 20a and a second reinforcing recess 20b, and the first reinforcing recess 20a and the second reinforcing recess 20b are located at the front side and the rear side of the front subframe mounting point 10b, respectively, in a vertical projection.

Specifically, an arch-shaped convex portion is formed at a position of the outer panel 20 close to the front subframe mounting point 10b of the main panel body 310 along a length direction (a front-rear direction as shown in fig. 1) of the outer panel 20, the first reinforcing concave portion 20a and the second reinforcing concave portion 20b are respectively located at both sides of a vertex of the arch-shaped convex portion, and by providing the arch-shaped convex portion and forming the first reinforcing concave portion 20a and the second reinforcing concave portion 20b at both sides of the arch-shaped convex portion, the strength of the front subframe mounting point 10b of the body side member 100 is increased, the vibration response sensitivity of the front subframe mounting point 10b of the body side member 100 is reduced, noise is prevented from being generated due to vibration of the body side member 100, and the use comfort of a user is improved.

According to some embodiments of the present invention, as shown in fig. 1, one of the first reinforcing recess 20a and the second reinforcing recess 20b is configured as a triangular groove, and the other is configured as an arcuate groove.

That is to say, the local position strength of the first reinforcing concave portion 20a and the second reinforcing concave portion 20b can be improved by setting the first reinforcing concave portion 20a and the second reinforcing concave portion 20b in the groove shape, wherein the triangular groove and the arched groove are high-strength structures, the local strength of the vehicle body longitudinal beam 100 can be greatly enhanced, the occurrence of local tearing of the vehicle body longitudinal beam 100 is avoided, the safety of the vehicle body longitudinal beam 100 is improved, meanwhile, the first reinforcing concave portion 20a and the second reinforcing concave portion 20b are two groove structures with different shapes and are located at the front side and the rear side of the front subframe mounting point 10b, the local frequency avoidance of the vehicle body longitudinal beam 100 at the front side and the rear side of the front subframe mounting point 10b is avoided by setting different shapes, the occurrence of local tearing caused by resonance is avoided, and the service life of the vehicle body longitudinal beam 100 is prolonged.

The first reinforcing concave portion 20a and the second reinforcing concave portion 20b may also be configured as grooves of other shapes, for example, groove structures of other shapes such as a square groove, a circular groove, a polygonal groove, etc., the groove structures of different shapes have different strengths, and the actual configuration shapes of the first reinforcing concave portion 20a and the second reinforcing concave portion 20b are set according to actual production requirements, which is not described in detail herein.

According to some embodiments of the present invention, as shown in fig. 5, the inner plate body 110 is provided with a plurality of third reinforced portions 110a, and one part of the plurality of third reinforced portions 110a is located in front of the front subframe mounting point 10b and the other part is located behind the front subframe mounting point 10b in vertical projection.

Specifically, a plurality of third reinforcing parts 110a are arranged on the side of the inner plate 110 far away from the outer side plate 20, the third reinforcing parts 110a can be arranged in a groove structure, the inner plate 110 and the outer side plate 20 generate structural difference by arranging the plurality of third reinforcing parts 110a, and then the strength of the inner plate 110 and the strength of the outer side plate 20 generate difference, finally, the frequency avoiding arrangement of the body longitudinal beam 100 at the front subframe mounting point 10b position is realized, the vibration response sensitivity is reduced, the inner plate 110 and the outer side plate 20 are prevented from generating resonance to cause local tearing, the safety performance of the body longitudinal beam 100 is improved, and the service life of the body longitudinal beam 100 is prolonged.

For example, the number of the third reinforcing parts 110a may be set to be 2, 3, 4 or more, and the specific number of the third reinforcing parts 110a provided on the inner plate body 110 is set according to actual production requirements, which is not described in detail herein.

The third reinforcing portion 110a may also be configured as a protruding structure, such as a reinforcing rib structure, of course, the shape of the third reinforcing portion 110a may also be configured as any other shape, such as a circle, a triangle, or a polygon, and the actual configuration shape of the third reinforcing portion 110a is set according to the actual production requirement, which is not described herein again.

According to some embodiments of the present invention, as shown in fig. 5, at least two third reinforcing parts 110a of the plurality of third reinforcing parts 110a have different lengths. Specifically, the lengths of the at least two third reinforcing parts 110a are different, so that the third reinforcing parts 110a on the inner plate body 110 are asymmetrically distributed, and the sensitivity of vibration response is reduced while the local strength of the inner plate body 110 can be enhanced by the asymmetrically distributed third reinforcing parts 110a, thereby avoiding the generation of resonance to cause the local tearing of the main plate body 310, reducing the noise generated by vibration and improving the comfort level of user experience.

According to some embodiments of the present invention, the thickness of the reinforcing plate 30 is d, and satisfies: d is more than or equal to 0.9mm and less than or equal to 1.9mm. Specifically, the thickness of the reinforcing plate 30 may be 0.9mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 1.9mm, or any thickness within a range from 0.9mm to 1.9mm, wherein the thicker the reinforcing plate 30, the higher the strength, the heavier the weight, the thinner the reinforcing plate 30, the lower the strength, and the lighter the weight, for example, the reinforcing plate 30 of 0.9mm has the weakest reinforcing capability and the lightest weight, the reinforcing plate 30 of 1.4mm has better reinforcing capability and weight meeting the requirement of light weight, the reinforcing plate 30 of 1.9mm has the best reinforcing effect and the heaviest weight, and the thickness setting of the actual reinforcing plate 30 is set according to the production requirement, and is not described in detail here.

According to some embodiments of the present invention, as shown in fig. 1-4, the front subframe mounting point 10b is configured as a mounting hole, the avoiding position 30b is configured as a avoiding hole, the avoiding hole is just opposite to the mounting hole, and the aperture of the avoiding hole is not smaller than the aperture of the mounting hole. That is, the center of the avoiding hole and the center of the mounting hole are coaxially arranged, and the front subframe mounting portion sequentially penetrates through the mounting hole and the avoiding hole to be mounted on the vehicle body longitudinal beam 100. Through setting up and dodging the hole, make the in-process of front sub vehicle frame installation at automobile body longeron 100, avoided reinforcing plate 30 to exert an influence to the installation of front sub vehicle frame, improved the convenience of front sub vehicle frame installation.

According to some embodiments of the utility model, as shown in fig. 1, fig. 2, fig. 3, fig. 5, the outside border of the inner plate body 110 is equipped with first connection turn-ups 130, and the outer panel 20 is equipped with the second and connects turn-ups 210, and the reinforcing plate 30 is equipped with the third and connects turn-ups 330, and first connection turn-ups 130, third are connected turn-ups 330 and second and are connected turn-ups 210 and laminate in proper order and link to each other and all construct the arch turn-ups. That is, by clamping the third connecting flange 330 between the first connecting flange 130 and the second connecting flange 210, the auxiliary reinforcing plate 30 is mounted on the inner side plate 10, so as to prevent the reinforcing plate 30 from deforming and affecting the strength at the position of the mounting hole 10b; meanwhile, the configuration of the first connecting flange 130, the second connecting flange 210, and the third connecting flange 330 as the arched flange structure reduces the sensitivity of the vibration response, reduces the noise generated by the vibration, and improves the comfort level of the user.

According to the utility model discloses the vehicle, including preceding sub vehicle frame and the solebar 100 of any one of the aforesaid. The front subframe is connected to the body side member 100 through a mounting hole.

According to the utility model discloses vehicle through construct additional strengthening on automobile body longeron 100, has improved the local strength of the mounting hole 10b position of automobile body longeron 100, has reduced the sensitivity of local vibration response, has reduced the production of noise, and then has improved the security performance of vehicle, makes the user have better use and experiences.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A vehicle body rail, comprising:

the inner side plate (10) comprises an inner plate body (110) and a bottom plate body (120), the bottom plate body (120) is connected with the inner plate body (110) in a bending mode, the bottom plate body (120) is provided with a first arched area (10 a), and a front auxiliary frame mounting point (10 b) is arranged in the first arched area (10 a);

an outer panel (20), wherein the outer panel (20) is connected with the bottom plate body (120), and the outer panel (20) and the inner plate body (110) are distributed oppositely;

reinforcing plate (30), reinforcing plate (30) install in interior plate body (110) with between outer panel (20) and have with first arch region (10 a) laminating continuous second arch region (30 a), second arch region (30 a) be equipped with preceding sub vehicle frame mounting point (10 b) just right dodge position (30 b).

2. The vehicle body longitudinal beam according to claim 1, characterized in that the reinforcing plate (30) comprises a main plate body (310) and a side plate body (320), the main plate body (310) is connected with the side plate body (320) in a bending mode, the side plate body (320) is connected with the inner plate body (110) in an attaching mode, the main plate body (310) is connected with the bottom plate body (120) in an attaching mode, and the second arched area (30 a) is formed.

3. The vehicle body side member according to claim 1, characterized in that the outer side plate (20) is provided with a first reinforcing recess (20 a) and a second reinforcing recess (20 b), and the first reinforcing recess (20 a) and the second reinforcing recess (20 b) are located on a front side and a rear side of the front subframe mounting point (10 b), respectively, in vertical projection.

4. The vehicle body longitudinal member according to claim 3, characterized in that one of the first reinforcing recess (20 a) and the second reinforcing recess (20 b) is configured as a triangular groove and the other is configured as an arcuate groove.

5. The vehicle body side member according to claim 1, wherein the inner panel (110) is provided with a plurality of third reinforcing portions (110 a), and in a vertical projection, a part of the plurality of third reinforcing portions (110 a) is located on a front side of the front sub frame mounting point (10 b) and another part is located on a rear side of the front sub frame mounting point (10 b).

6. The vehicle body side member according to claim 5, characterized in that at least two of the third reinforcing portions (110 a) of the plurality of third reinforcing portions (110 a) differ in length.

7. The vehicle body longitudinal member according to claim 1, characterized in that the thickness of the reinforcing plate (30) is d, satisfying: d is more than or equal to 0.9mm and less than or equal to 1.9mm.

8. The vehicle body longitudinal beam according to claim 1, characterized in that the front subframe mounting point (10 b) is configured as a mounting hole, the avoidance portion (30 b) is configured as an avoidance hole, the avoidance hole is disposed just opposite to the mounting hole, and a hole diameter of the avoidance hole is not smaller than that of the mounting hole.

9. The vehicle body longitudinal beam of claim 1, characterized in that a first connecting flange (130) is arranged at the outer side edge of the inner plate body (110), a second connecting flange (210) is arranged at the outer side plate (20), a third connecting flange (330) is arranged at the reinforcing plate (30), and the first connecting flange (130), the third connecting flange (330) and the second connecting flange (210) are sequentially connected in a joint manner and are all configured to be arched flanges.

10. A vehicle, characterized by comprising a body rail (100) according to any one of claims 1-9.