CN218431411U - Frame assembly and vehicle - Google Patents

Abstract

The utility model discloses a frame assembly and vehicle, frame assembly includes: a stringer; the first cross beam and the second cross beam are connected with the longitudinal beam and are spaced along the length direction of the longitudinal beam; and the vehicle body suspension structure is arranged on the outer side plate surface of the longitudinal beam, and is positioned between the first cross beam and the second cross beam and is close to the first cross beam along the length direction of the longitudinal beam. According to the utility model discloses frame assembly effectively strengthens the structural strength who improves frame assembly, reduces the vibration response sensitivity to reduce the influence of the vibration source that produces such as power assembly, transmission system and road surface excitation vibration to frame assembly, and then reduce vibration and the noise that transmit to the automobile body, satisfy vehicle NVH requirement, improve user's use impression.

Description

Frame assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a frame assembly and vehicle.

Background

With the development of science and technology and the continuous improvement of living standard of people, people have higher and higher requirements on the quality of automobiles, wherein the feeling of NVH (Noise Vibration Harshness) characteristics to automobile users is the most superficial and direct.

The frame is connected with the vehicle body through the vehicle body suspension, and in the running process of the vehicle, vibration sources generated by the power assembly, the transmission system, the road surface excitation vibration and the like are transmitted to the vehicle body through the frame and the vehicle body suspension. In the prior art, the vehicle body suspension and the mounting position thereof have simpler structure, weaker strength and high vibration response sensitivity, so that the vehicle body generates larger vibration and noise to influence the comfort level of users in the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a frame assembly, frame assembly's structure is stronger, effectively reduces the influence of the vibration source that produces such as power assembly, transmission system and road surface excitation vibration to the automobile body.

The utility model discloses still provide a vehicle, the vehicle includes foretell frame assembly.

According to the utility model discloses frame assembly, include: a longitudinal beam; the first cross beam and the second cross beam are connected with the longitudinal beam and are spaced apart along the length direction of the longitudinal beam; the automobile body suspension structure is arranged on the outer side plate surface of the longitudinal beam and along the length direction of the longitudinal beam, and the automobile body suspension structure is located between the first cross beam and the second cross beam and is adjacent to the first cross beam.

According to the utility model discloses frame assembly, locate on the outside face of longeron through automobile body suspension structure, along the length direction of longeron, automobile body suspension structure is located between first crossbeam and the second crossbeam and near first crossbeam setting, so that the intensity of body suspension mounting structure make full use of longeron and first crossbeam, improve frame assembly's structural strength, reduce the vibration response sensitivity, thereby reduce the power assembly, the influence of the vibration source that produces such as transmission system and road surface excitation vibration to frame assembly, and then reduce vibration and noise that transmit to the automobile body, satisfy the vehicle NVH requirement, improve user's use impression.

The utility model discloses a some embodiments, the longeron is the box body structure, the frame assembly still includes: the reinforcing support is arranged in the longitudinal beam and extends along the length direction of the longitudinal beam, the reinforcing support is connected with the longitudinal beam, and one end, far away from the first cross beam, of the reinforcing support is opposite to the position, connected with the second cross beam and the longitudinal beam, of the reinforcing support.

The utility model discloses a some embodiments follow longeron length direction, being located of the outside face of longeron the position of automobile body suspension structure both sides is equipped with first recess and second recess respectively, first recess extends along upper and lower direction, the second recess is along upper and lower spaced apart a plurality of.

The utility model discloses a some embodiments, the upper surface of longeron is equipped with the third recess, follows the length direction of longeron, the third recess with the second recess is located a plurality ofly the same position of longeron.

In some embodiments of the present invention, a plurality of fourth grooves spaced apart in the up-down direction are formed on the outer panel surface of the longitudinal beam at positions corresponding to the vehicle body suspension structure; and/or along the length direction of the longitudinal beam, the two fifth grooves are positioned on two sides of the corresponding position of the vehicle body suspension structure, and the two fifth grooves extend along the vertical direction of the longitudinal beam and have different lengths; and/or a first lightening hole is formed in the inner side plate surface of the longitudinal beam, and the first lightening hole and the vehicle body suspension structure are located at the same position of the longitudinal beam along the length direction of the longitudinal beam.

In some embodiments of the present invention, the vehicle body suspension structure includes: the upper ends of the two side plates are respectively connected to the two ends of the mounting plate along the length direction of the longitudinal beam, and the mounting plate is provided with a suspension mounting hole; the flanging is connected with one end, close to the longitudinal beam, of the mounting plate, the flanging is arranged on the upper surface of the longitudinal beam in an overlapped mode, and the flanging and the side plates are connected with the longitudinal beam.

In some embodiments of the present invention, the width of the side plate is gradually reduced in a direction away from the longitudinal beam, the mounting plate includes a first section and a second section, the first section is located on a side of the second section close to the longitudinal beam, the first section is inclined upward in the direction close to the longitudinal beam, and the second section is provided with a suspension mounting hole; and/or, in the direction from the longitudinal beam to the vehicle body suspension structure, the middle parts of the two side plates are concave towards the direction close to each other; and/or a second lightening hole is formed in the mounting plate.

Some embodiments of the present invention further include: the reinforcing plate is arranged on the outer side plate surface of the longitudinal beam and located below the vehicle body suspension structure, and the reinforcing plate is connected with the longitudinal beam and the vehicle body suspension structure.

The utility model discloses a some embodiments, the reinforcing plate is the arch, be equipped with arch breach and third lightening hole on the reinforcing plate.

According to the utility model discloses vehicle, including foretell frame assembly.

According to the utility model discloses the vehicle sets up the frame assembly, locate on the outside face of longeron through automobile body suspension structure, along the length direction of longeron, automobile body suspension structure is located between first crossbeam and the second crossbeam and near first crossbeam setting, so that the intensity of body suspension mounting structure make full use of longeron and first crossbeam, improve the structural strength of frame assembly, reduce the vibration response sensitivity, thereby reduce the power assembly, the influence of the vibration source that produces such as transmission and road surface excitation vibration to the frame assembly, and then reduce vibration and noise that transmit to the automobile body, satisfy the vehicle NVH requirement, improve user's use impression.

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

Drawings

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

FIG. 1 is a partial perspective view of a frame assembly according to an embodiment of the present invention;

FIG. 2 is a partial perspective view of a frame assembly according to an embodiment of the present invention with the body suspension structure hidden;

FIG. 3 is a partial perspective view of a vehicle frame assembly with the body suspension and outboard panel hidden in accordance with an embodiment of the present invention;

FIG. 4 is a partial perspective view of another perspective of a frame assembly according to an embodiment of the present invention;

FIG. 5 is a partial perspective view of a further perspective of a frame assembly according to an embodiment of the present invention;

fig. 6 is a perspective view of a vehicle body suspension structure according to an embodiment of the present invention;

fig. 7 is a side view of a vehicle body suspension structure according to an embodiment of the present invention.

Reference numerals:

100. a frame assembly;

1. a stringer; 11. an outer plate surface; 111. a first groove; 112. a second groove; 113. a fourth groove; 12. an inner side plate surface; 121. a fifth groove; 122. a first lightening hole; 13. a third groove;

2. a first cross member;

3. a second cross member;

4. a vehicle body suspension structure; 41. mounting a plate; 411. a first stage; 412. a second section; 4121. suspending the mounting hole; 413. a second lightening hole; 42. a side plate; 421. a first side; 422. a second edge; 423. a third side; 424. a fourth side; 43. flanging;

5. a reinforcing bracket;

6. a reinforcing plate; 61. an arch-shaped notch; 62. and a third lightening hole.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A frame assembly 100 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1, a frame assembly 100 according to an embodiment of the present invention includes a longitudinal beam 1, a vehicle body suspension structure 4, a first cross member 2, and a second cross member 3. The first cross beam 2 and the second cross beam 3 are both connected with the longitudinal beam 1, the first cross beam 2 and the second cross beam 3 are spaced apart along the length direction of the longitudinal beam 1, the vehicle body suspension structure 4 is arranged on an outer side plate surface 11 of the longitudinal beam 1, and the vehicle body suspension structure 4 is positioned between the first cross beam 2 and the second cross beam 3 and is arranged close to the first cross beam 2 along the length direction (the first direction shown in fig. 1) of the longitudinal beam 1.

It can be understood that the vehicle body suspension structure 4 is arranged on the outer side plate surface 11 of the longitudinal beam 1 and is arranged close to the first cross beam 2, so that the strength of the longitudinal beam 1 and the strength of the first cross beam 2 are fully utilized by the vehicle body suspension mounting structure, the structural strength of the frame assembly 100 is improved, the vibration response sensitivity is reduced, the influence of vibration sources generated by a power assembly, a transmission system, road surface excitation vibration and the like on the frame assembly 100 is reduced, the vibration and the noise transmitted to a vehicle body are reduced, and the NVH requirement of a vehicle is met.

Further, the longitudinal beam 1 and the first cross beam 2 are connected through a bolt, and the vehicle body suspension structure 4 is arranged near the bolt connection position, so that the structural strength of the frame assembly 100 is further improved by means of the connection strength of the bolt connection position of the longitudinal beam 1 and the first cross beam 2.

The longitudinal direction of the longitudinal beam 1 is the longitudinal direction of the vehicle, for example, when the frame assembly 100 is installed on the vehicle with the front in the vehicle direction as the front and the rear in the vehicle direction as the rear, the first cross beam 2 is close to the front and the second cross beam 3 is close to the rear. Meanwhile, when the frame assembly 100 is provided on a vehicle, the frame assembly 100 may include two longitudinal beams 1 spaced apart in the vehicle width direction and a plurality of cross beams, one end of which is connected to one of the longitudinal beams 1 and the other end of which is connected to the other longitudinal beam 1.

According to the utility model discloses frame assembly 100, locate on the outside face 11 of longeron 1 through automobile body suspension structure 4, along the length direction of longeron 1, automobile body suspension structure 4 is located between first crossbeam 2 and the second crossbeam 3 and is close to first crossbeam 2 and sets up, so that 4 make full use of longeron 1 of automobile body suspension structure and the intensity of first crossbeam 2, improve frame assembly 100's structural strength, reduce the vibration response sensitivity, thereby reduce the power assembly, the influence of the vibration source that produces such as transmission system and road surface excitation vibration to frame assembly 100, and then reduce transmission to the vibration and the noise of automobile body, satisfy vehicle NVH requirement, improve user's use impression.

In some embodiments of the present invention, as shown in fig. 3, the longitudinal beam 1 is a box structure, the frame assembly 100 further includes a reinforcing bracket 5, the reinforcing bracket 5 is disposed in the longitudinal beam 1 and extends along the length direction of the longitudinal beam 1, the reinforcing bracket 5 is connected to the longitudinal beam 1, and the end of the reinforcing bracket 5 away from the first cross beam 2 is opposite to the position where the second cross beam 3 and the longitudinal beam 1 are connected. Therefore, the three-dimensional structure of the box body structure is utilized to disperse load and reduce local pressure, so that the structural strength of the longitudinal beam 1 is effectively improved, and the structural strength of the frame assembly 100 is further improved. Meanwhile, the position where one end of the reinforcing bracket 5 far away from the first cross beam 2 is connected with the second cross beam 3 and the longitudinal beam 1 is opposite, so that the reinforcing bracket 5 is connected with the structural strength of the second cross beam 3, the structural strength of the reinforcing bracket 5 is improved, the structural strength of the longitudinal beam 1 is improved, and the structural strength of the frame assembly 100 is improved.

Specifically, longeron 1 is including connecting gradually and along the upper plate that longeron 1 length direction extends, the front bezel, hypoplastron and back plate, upper plate and hypoplastron are spaced apart along the upper and lower direction of longeron 1, front bezel and back plate are spaced apart along the width direction of longeron 1, the upper plate, the front bezel, hypoplastron and back plate form the inside cavity of longeron 1, strengthen support 5 and locate longeron 1 in and extend along the length direction of longeron 1, strengthen support 5 and the interior face of upper plate, the interior face of hypoplastron, the interior face of front bezel or the interior face of back plate are connected, improve the commonality when strengthening support 5 reinforcing longeron 1's structural strength through strengthening support.

Further, one end of the reinforcing bracket 5 near the first cross member 2 extends to a position opposite to the vehicle body suspension structure 4, thereby further enhancing the structural strength of the vehicle body suspension structure 4. Further, the reinforcing brace 5 has a length of 268mm and a width of 38mm.

In some embodiments of the present invention, as shown in fig. 2, along the longitudinal beam 1, the positions of the outer side plate 11 of the longitudinal beam 1, which are located on both sides of the vehicle body suspension structure 4, are respectively provided with a first groove 111 and a second groove 112, the first groove 111 extends along the up-down direction (the second direction shown in fig. 2), and the second grooves 112 are spaced apart from each other along the up-down direction. Thereby, the structural strength of the side member 1 is enhanced by the first groove 111 and the second groove 112, thereby enhancing the structural strength of the vehicle body suspension structure 4. Meanwhile, modal frequency difference exists between the first groove 111 and the second groove 112, so that the frequency avoiding design of the longitudinal beam 1 is realized, and the attenuation of the longitudinal beam 1 to vibration and noise energy is further realized. Preferably, the first groove 111 has a length of 98mm and a width of 20mm.

It should be noted that the second groove 112 is shown in fig. 2 for illustrative purposes, but it is obvious to those skilled in the art after reading the following technical solutions that the solution can be applied to three or more second grooves, and the invention also falls into the protection scope of the present invention.

The up-down direction is a height direction of the vehicle, for example, a top direction is an upper direction, and a bottom direction is a lower direction, and when the frame assembly 100 is installed on the vehicle, a side of the first groove 111 close to the top is an upper side, and a side of the first groove 111 far from the top is a lower side.

In some embodiments of the present invention, as shown in fig. 2, a plurality of fourth grooves 113 spaced apart in the up-down direction are provided on the outer panel surface 11 of the longitudinal beam 1 at positions corresponding to the vehicle body suspension structure 4. As a result, the structural strength of the side member 1, particularly the structural strength at the position on the outer panel surface 11 of the side member 1 facing the vehicle body suspension structure 4, is enhanced by the fourth groove 113, and the structural strength of the vehicle body suspension structure 4 is further enhanced. For example, the number of the fourth grooves 113 is two, and one of the fourth grooves 113 is located on the upper side of the vehicle body suspension structure 4 in the up-down direction, and the other fourth groove 113 is located on the lower side of the vehicle body suspension structure 4 in the up-down direction.

In some embodiments of the present invention, as shown in fig. 2, the upper surface of the longitudinal beam 1 is provided with a third groove 13, and the third groove 13 and the plurality of second grooves 112 are located at the same position of the longitudinal beam 1 along the length direction of the longitudinal beam 1. Thereby, the structural strength of the side member 1 is enhanced by the third groove 13, and the structural strength of the vehicle body suspension structure 4 is further enhanced.

Further, when the number of the fourth grooves 113 is the same as that of the second grooves 112, the third grooves 13 can enable mode frequency differences to exist on the longitudinal beam 1, so that the frequency avoiding design of the longitudinal beam 1 is realized. For example, as shown in fig. 2, when there are two fourth grooves 113 at the position where the side member 1 faces the vehicle body suspension structure 4 and there are two second grooves 112 of the side member on the side of the vehicle body suspension structure 4, the third groove 13 is provided on the upper surface of the side member 1 at the same position as the second groove 112 on the side member 1 in the longitudinal direction of the side member 1, so that there is a difference in modal frequency at the position where the side member 1 faces the vehicle body suspension structure 4 on the side of the vehicle body suspension structure 4, whereby the frequency avoiding design of the side member 1 is realized and the attenuation of the side member 1 with respect to vibration and noise energy is realized.

In some embodiments of the present invention, as shown in fig. 4, the inner side surface 12 of the longitudinal beam 1 is provided with two fifth grooves 12, and along the longitudinal beam 1 in the length direction, two fifth grooves 121 are located on two sides of the corresponding position of the vehicle body suspension structure 4, two the fifth grooves extend along the longitudinal beam 1 in the up-down direction and have different lengths. Thereby, the structural strength of the side member 1 is enhanced by the fifth groove 121, and the structural strength of the vehicle body suspension structure 4 is further enhanced. Meanwhile, the lengths of the two fifth grooves 121 are different, so that modal frequency differences exist in the relative positions of the longitudinal beams 1 provided with the two fifth grooves 121, the frequency avoiding design of the longitudinal beams 1 is realized, and the attenuation of the longitudinal beams 1 to vibration and noise energy is realized. Preferably, one of the fifth grooves 121 has a width of 15mm and a length of 58mm, and the other of the fifth grooves 121 has a width of 15mm and a length of 46mm.

In some embodiments of the present invention, as shown in fig. 4, the inner side panel 12 of the longitudinal beam 1 is provided with a first lightening hole 122, and along the length direction of the longitudinal beam 1 (the first direction shown in fig. 4), the first lightening hole 122 and the vehicle body suspension structure 4 are located at the same position of the longitudinal beam 1. Thus, the weight of the side member 1 is reduced by such arrangement, so that the weight of the frame assembly 100 is reduced, and the requirement for reducing the weight of the vehicle is satisfied. Meanwhile, the arrangement of the first lightening holes 122 reduces the response of the longitudinal beam 1 and the vehicle body suspension structure 4 to vibration, and further attenuates vibration and noise energy.

In some embodiments of the present invention, as shown in fig. 6 and 7, the vehicle body suspension structure 4 includes: mounting plate 41, two side plates 42 and flanges 43. The upper ends of the two side plates 42 are respectively connected to two ends of the mounting plate 41 along the length direction of the longitudinal beam 1, the mounting plate 41 is provided with a suspension mounting hole 4121, the flanging 43 is connected with one end, close to the longitudinal beam 1, of the mounting plate 41, the flanging 43 is erected on the upper surface of the longitudinal beam 1, and the flanging 43 and the side plates 42 are connected with the longitudinal beam 1. This arrangement increases the area of connection between the vehicle body suspension structure 4 and the side member 1, thereby further improving the strength of connection between the vehicle body suspension structure 4 and the side member 1 and further improving the structural strength of the vehicle body suspension structure 4. Meanwhile, the connection of the vehicle body and the frame assembly 100 is realized through the suspension mounting holes 4121 provided on the mounting plate 41, thereby ensuring the reliability of the connection.

In some embodiments of the present invention, as shown in fig. 7, the width of the side plate 42 is gradually reduced in the direction away from the longitudinal beam 1 by the side plate 42, the mounting plate 41 includes a first section 411 and a second section 412, the first section 411 is located on one side of the second section 412 close to the longitudinal beam 1, the first section 411 is inclined upward in the direction close to the longitudinal beam 1, and the second section 412 is provided with a suspension mounting hole 4121. Therefore, the first section 411 is inclined upwards in the direction close to the longitudinal beam 1 to increase the attaching degree of the flange 43 and the side plate 42 with the longitudinal beam 1, so that the connection stability of the vehicle body suspension structure 4 and the longitudinal beam 1 is further enhanced, and the structural strength of the vehicle body suspension structure 4 is improved. The suspension mounting holes 4121 are formed in the second section 412 to connect the vehicle body and the frame assembly 100, and therefore the connection reliability is improved.

Further, the side plate 42 includes a first side 421, a second side 422, a third side 423 and a fourth side 424 which are connected in sequence, wherein the first side 421 is connected to the second section 412, the second side 422 is connected to the first section 411, the third side 423 is connected to the longitudinal beam 1, and the fourth side 424 is inclined upward in a direction away from the longitudinal beam 1, so that an extension line of the first side 421 and the first side 421 in a direction from the second section 412 to the first section 411 and the third side 423 and the fourth side 424 form a substantially triangular structure on the side plate 42, and extension lines of the second side 422, the third side 423 and the first side 421 in a direction from the second section 412 to the first section 411 form a substantially triangular structure on the side plate 42, and the structural strength of the side plate 42 is increased by utilizing the characteristics of large triangular strength and large supporting force, thereby enhancing the structural strength of the vehicle body suspension structure 4.

In some embodiments of the present invention, as shown in fig. 6, in the direction from the side member 1 to the vehicle body suspension structure 4, the middle portions of the two side plates 42 are recessed toward the direction close to each other. Thus, the arch-shaped concave pit structure formed by the middle portions of the two side plates 42 being recessed toward each other enhances the structural strength of the two side plates 42, reduces the weight of the side plates 42, improves the structural strength of the vehicle body suspension structure 4, and realizes a lightweight design of the vehicle.

In some embodiments of the present invention, as shown in fig. 6, the mounting plate 41 is provided with a second lightening hole 413. Thus, the weight of the mounting plate 41 is reduced by the arrangement, so that the weight of the frame assembly 100 is reduced, and the requirement of reducing the weight of the vehicle is met.

In some embodiments of the present invention, as shown in fig. 2, 3 and 5, the frame assembly 100 further includes a reinforcement plate 6. The reinforcing plate 6 is arranged on the outer side plate surface 11 of the longitudinal beam 1 and is positioned below the vehicle body suspension structure 4, and the reinforcing plate 6 is connected with the longitudinal beam 1 and the vehicle body suspension structure 4. Thereby, the strength of connection between the vehicle body suspension structure 4 and the side member 1 is enhanced by the reinforcing plate 6, and the structural strength of the frame assembly 100 is further ensured.

In some embodiments of the present invention, as shown in fig. 2, the reinforcing plate 6 is arched, and the reinforcing plate 6 is provided with an arched notch 61 and a third lightening hole 62. Therefore, the weight of the reinforcing plate 6 is reduced through the arch-shaped notch 61 and the third lightening hole 62, so that the weight of the frame assembly 100 is reduced, and the requirement of lightening the vehicle is met. Meanwhile, the reinforcing plate 6 is provided in an arch shape and the arch notch 61 is formed in the reinforcing plate 6, so that the structural strength of the reinforcing plate 6 is further improved, and the structural strength of the frame assembly 100 is enhanced. In addition, the provision of the arch notch 61 increases the connection area between the reinforcing plate 6 and the side member 1, and further improves the structural strength of the reinforcing plate 6.

Specifically, reinforcing plate 6 comprises the first board, second board and the third board that connect gradually along longeron 1 length direction, wherein, the one end of first board and third board all is connected with the second board, the other end all extends towards the direction of keeping away from longeron 1, be equipped with arch breach 61 and third lightening hole 62 on the second board, the second board is connected with longeron 1, first board and third board are connected along longeron length direction's both ends with automobile body suspension structure 4 respectively, thereby strengthen automobile body suspension structure 4 and longeron 1's joint strength, and then improve frame assembly 100's structural strength.

Frame assembly 100 according to some embodiments of the present invention is described in detail below with reference to the accompanying drawings, it being understood that the following description is illustrative only and should not be taken as limiting the invention.

As shown in fig. 1 to 7, the frame assembly 100 includes a side member 1, a vehicle body suspension structure 4, a first cross member 2, a second cross member 3, a reinforcing bracket 5, and a reinforcing plate 6. The first cross beam 2 and the second cross beam 3 are both connected with the longitudinal beam 1, the first cross beam 2 and the second cross beam 3 are spaced along the length direction of the longitudinal beam 1, the vehicle body suspension structure 4 is arranged on an outer side plate surface 11 of the longitudinal beam 1, and the vehicle body suspension structure 4 is located between the first cross beam 2 and the second cross beam 3 and is arranged close to the first cross beam 2 along the length direction (the first direction shown in fig. 1) of the longitudinal beam 1. Locate on the outside face 11 of longeron 1 and be close to first crossbeam 2 setting through automobile body suspension structure 4 to make body suspension mounting structure make full use of longeron 1 and first crossbeam 2's intensity, improve frame assembly 100's structural strength, reduce the vibration response sensitivity, thereby reduce the influence of the vibration source that produces such as power assembly, transmission system and road surface excitation vibration to frame assembly 100, and then reduce the vibration and the noise that transmit to the automobile body, satisfy the vehicle NVH requirement.

Strengthen the support 5 and locate in longeron 1 and extend along the length direction of longeron 1, strengthen the support 5 and be connected with longeron 1, strengthen the support 5 and keep away from the position that first crossbeam 2's one end is connected with second crossbeam 3 and longeron 1 relatively, strengthen the length of support 5 and be 268mm, the width is 38mm. As a result, the structural strength of the reinforcing brace 5, and hence the structural strength of the side member 1, is improved by the structural strength of the second cross member 3.

Along longeron 1 length direction, the position that is located automobile body suspended structure 4 both sides of the outside face 11 of longeron 1 is equipped with first recess 111 and second recess 112 respectively, first recess 111 extends along the upper and lower direction, the length of first recess 111 is 98mm, the width is 20mm, second recess 112 is a plurality of along upper and lower spaced apart, correspond position department with automobile body suspended structure 4 on the outside face 11 of longeron 1 and be equipped with along upper and lower spaced apart a plurality of fourth recesses 113, the upper surface of longeron 1 is equipped with third recess 13, along the length direction of longeron 1, third recess 13 and a plurality of second recess 112 are located the same position of longeron 1, and third recess 13 is located along the top of the second recess 112 of upper-most end of upper and lower direction. The inner side plate surface 12 of the longitudinal beam 1 is provided with two fifth grooves 12, the inner side plate surface 12 of the longitudinal beam 1 is provided with two fifth grooves 12 along the length direction of the longitudinal beam 1, the two fifth grooves 121 are located on two sides of the corresponding position of the vehicle body suspension structure 4 along the length direction of the longitudinal beam 1, the two fifth grooves extend along the vertical direction of the longitudinal beam 1 and have different lengths, one of the fifth grooves 121 is 15mm in width and 58mm in length, the other fifth groove 121 is 15mm in width and 46mm in length, the inner side plate surface 12 of the longitudinal beam 1 is provided with a first lightening hole 122, and the first lightening hole 122 and the vehicle body suspension structure 4 are located at the same position of the longitudinal beam 1 along the length direction of the longitudinal beam 1. Therefore, the frequency avoiding design of the longitudinal beam 1 is realized, so that the longitudinal beam 1 can attenuate vibration and noise energy, the vibration and noise transmitted to a vehicle body through the vehicle body suspension structure 4 can be reduced, and the light weight requirement of the vehicle can be met.

The vehicle body suspension structure 4 includes: mounting plate 41, two side plates 42 and flanges 43. The upper ends of the two side plates 42 are respectively connected to two ends of the mounting plate 41 along the length direction of the longitudinal beam 1, the flanges 43 are connected with one end, close to the longitudinal beam 1, of the mounting plate 41, the flanges 43 are erected on the upper surface of the longitudinal beam 1, and the flanges 43 and the side plates 42 are connected with the longitudinal beam 1. The width of the side plate 42 is gradually reduced on the side plate 42 in the direction away from the longitudinal beam 1, the mounting plate 41 comprises a first section 411 and a second section 412, the first section 411 is positioned on one side, close to the longitudinal beam 1, of the second section 412, the first section 411 is inclined upwards in the direction close to the longitudinal beam 1, a suspension mounting hole 4121 is formed in the second section 412, the middle parts of the two side plates 42 are concave towards the direction close to each other in the direction from the longitudinal beam 1 to the vehicle body suspension structure 4, and a second lightening hole 413 is formed in the mounting plate 41. Thereby, the stability of connection between the vehicle body suspension structure 4 and the side member 1 is enhanced, the structural strength of the vehicle body suspension structure 4 is improved, and the connection between the vehicle body and the frame assembly 100 is realized through the suspension mounting holes 4121.

The reinforcing plate 6 is arranged on the outer side plate surface 11 of the longitudinal beam 1 and is positioned below the vehicle body suspension structure 4, the reinforcing plate 6 is connected with the longitudinal beam 1 and the vehicle body suspension structure 4, the reinforcing plate 6 is arched, and an arched notch 61 and a third lightening hole 62 are formed in the reinforcing plate 6. Thereby, the strength of connection between the vehicle body suspension structure 4 and the side member 1 is enhanced by the reinforcing plate 6, and the structural strength of the frame assembly 100 is further ensured.

The following describes a vehicle of an embodiment of the present invention.

According to the utility model discloses the vehicle, set up frame assembly 100, locate on the outside face 11 of longeron 1 through automobile body suspension structure 4, along the length direction of longeron 1, automobile body suspension structure 4 is located between first crossbeam 2 and the second crossbeam 3 and is close to first crossbeam 2 and sets up, so that make body suspension mounting structure make full use of longeron 1 and first crossbeam 2's intensity, improve frame assembly 100's structural strength, reduce the vibration response sensitivity, thereby reduce the power assembly, the vibration source that produces such as transmission system and road surface excitation vibration is to frame assembly 100's influence, and then reduce transmission to the vibration and the noise of automobile body, satisfy vehicle NVH requirement, improve user's use impression.

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

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

Claims (10)

1. A frame assembly, comprising:

a longitudinal beam (1);

the longitudinal beam structure comprises a first transverse beam (2) and a second transverse beam (3), wherein the first transverse beam (2) and the second transverse beam (3) are connected with the longitudinal beam (1), and the first transverse beam (2) and the second transverse beam (3) are spaced along the length direction of the longitudinal beam (1);

automobile body suspension structure (4), automobile body suspension structure (4) are located on outside face (11) of longeron (1), follow the length direction of longeron (1), automobile body suspension structure (4) are located first crossbeam (2) with between second crossbeam (3) and neighbouring first crossbeam (2) set up.

2. Frame assembly according to claim 1, characterized in that said longitudinal beam (1) is of box-like construction, said frame assembly further comprising:

strengthen support (5), strengthen support (5) and locate in longeron (1) and follow the length direction of longeron (1) extends, strengthen support (5) with longeron (1) are connected, strengthen the one end of support (5) keeping away from first crossbeam (2) with the position that second crossbeam (3) and longeron (1) are connected is relative.

3. The frame assembly according to claim 1, characterized in that along the length direction of the longitudinal beam (1), the positions of the outer side plate surface (11) of the longitudinal beam (1) on two sides of the vehicle body suspension structure (4) are respectively provided with a first groove (111) and a second groove (112), wherein the first groove (111) extends along the up-down direction, and the second grooves (112) are a plurality of grooves spaced along the up-down direction.

4. A frame assembly according to claim 3, characterized in that the upper surface of said longitudinal beam (1) is provided with a third groove (13), said third groove (13) and said second groove (112) being located at the same position of a plurality of said longitudinal beams (1) in the length direction of said longitudinal beam (1).

5. A frame assembly according to claim 1, characterized in that a plurality of fourth grooves (113) spaced in the up-down direction are provided on the outer side plate surface (11) of the side member (1) at positions corresponding to the vehicle body suspension structure (4);

and/or two fifth grooves (121) are arranged on the inner side plate surface (12) of the longitudinal beam (1), along the length direction of the longitudinal beam (1), the two fifth grooves (121) are positioned on two sides of the corresponding position of the vehicle body suspension structure (4), and the two fifth grooves (121) extend along the vertical direction of the longitudinal beam (1) and have different lengths;

and/or a first lightening hole (122) is formed in an inner side plate surface (12) of the longitudinal beam (1), and the first lightening hole (122) and the vehicle body suspension structure (4) are located at the same position of the longitudinal beam (1) along the length direction of the longitudinal beam (1).

6. Frame assembly according to claim 1, characterized in that said body suspension structure (4) comprises:

the upper ends of the two side plates (42) are respectively connected to the two ends of the mounting plate (41) along the length direction of the longitudinal beam (1), and the mounting plate (41) is provided with a suspension mounting hole (4121);

the flanging (43) is close to the mounting plate (41), one end of the longitudinal beam (1) is connected with the flanging (43), the flanging (43) is erected on the upper surface of the longitudinal beam (1), and the flanging (43) and the side plates (42) are connected with the longitudinal beam (1).

7. A frame assembly according to claim 6, characterized in that said side plate (42) has a width decreasing in a direction away from said side member (1), said mounting plate (41) comprises a first section (411) and a second section (412), said first section (411) is located on a side of said second section (412) close to said side member (1), said first section (411) is inclined upward in a direction close to said side member (1), said second section (412) is provided with said suspension mounting hole (4121);

and/or the middle parts of the two side plates are concave towards the direction close to each other in the direction from the longitudinal beam (1) to the vehicle body suspension structure (4);

and/or a second lightening hole (413) is formed in the mounting plate (41).

8. The frame assembly of claim 1, further comprising:

reinforcing plate (6), reinforcing plate (6) are located on outside face (11) of longeron (1) and be located the below of automobile body suspension structure (4), reinforcing plate (6) with longeron (1) with automobile body suspension structure (4) are connected.

9. A frame assembly according to claim 8, wherein said reinforcement plate (6) is arched, said reinforcement plate (6) being provided with an arched indentation (61) and a third lightening hole (62).

10. A vehicle comprising a frame assembly according to any of claims 1-9.

Images