CN206086903U - Preceding bumper shock absorber tower base's connection structure and vehicle - Google Patents

Abstract

The utility model relates to the technical field of vehicle frame structures, and discloses a connection structure of a tower base of a front shock absorber and a vehicle. The connection structure of the front shock absorber tower includes a front shock absorber tower, a cabin side beam and a wheel house outer plate, and the wheel house outer plate is fixedly connected to the cabin side beam, and the front shock absorber tower It is fixedly connected with the side beam of the cabin and the outer panel of the wheel house, and the front shock absorber tower is close to the side beam of the cabin and the outer panel of the wheel house at the side of the front shock absorber tower One side of the cab is surrounded by a vibration isolation space. This will significantly enhance the connection stiffness of the front shock absorber tower. At the same time, due to the existence of the vibration isolation space, the amount of vibration isolation can be increased, and the vibration amplitude of the installation point of the front shock absorber tower can be reduced, so that the vibration transmitted to the vehicle body The smaller the amplitude, the smaller the response of the generated noise inside the car, and the higher the road noise level of the real car, which improves the comfort of the vehicle and is also conducive to the stability of the vehicle.

Description

Connection structure of front shock absorber tower and vehicle

technical field

The utility model relates to the technical field of vehicle frame structures, in particular to a connection structure of a front shock absorber tower, and a vehicle with the connection structure.

Background technique

At present, with the improvement of people's living standards and the rapid development of the automobile industry, the popularity of automobiles is getting higher and higher. At the same time, consumers have higher and higher requirements for the overall performance of automobiles, such as noise reduction performance and anti-vibration performance. Among them, the body is the space where the driver and passengers are in direct contact. A good body structure is not only conducive to ride safety performance, comfort, but also conducive to handling stability.

With the development of vehicle technology, passengers have higher and higher requirements for the comfort of vehicles. They hope that the interior of the vehicle will be quiet and comfortable, and good road noise can improve the quality of vehicles and leave a high-quality impression on passengers. At present, the front shock absorbers installed on the longitudinal beams and side beams of the cabin of the vehicle can absorb vibrations to a certain extent and reduce road noise.

However, at present, the dynamic stiffness level of the design of the front shock absorber tower of the vehicle is low, and the vibration isolation is insufficient, which leads to a high vibration amplitude transmitted to the vehicle body on rough roads or bumpy road conditions, and ultimately leads to a large noise response in the car. , which will reduce passenger comfort.

Utility model content

In view of this, the utility model aims to propose a connection structure of the front shock absorber tower to improve the dynamic stiffness of the front shock absorber tower and increase the vibration isolation, so that the vibration amplitude transmitted to the vehicle body becomes smaller, resulting in The noise response inside the car becomes smaller, and the road noise level of the real car is high, which improves the comfort of the vehicle and is also conducive to the stability of the vehicle.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A connection structure of a front shock absorber tower, comprising a front shock absorber tower, a nacelle side beam and a wheel house outer plate, the wheel house outer board is fixedly connected to the nacelle side beam, and the front shock absorber The tower base is fixedly connected with the side beam of the cabin and the outer plate of the wheel house, and the tower base of the front shock absorber is connected with the side beam of the cabin and the outer plate of the wheel house on the tower base of the front shock absorber. The side close to the cab is surrounded by a vibration isolation space.

Compared with the prior art, in the connection structure of the front shock absorber tower described in the utility model, after the front shock absorber tower is fixedly connected with the cabin side beam and the wheel house outer plate, the front shock absorber tower, the cabin The side beam and the outer plate of the wheel house form a vibration isolation space on the side of the front shock absorber tower close to the cab, which will significantly enhance the connection stiffness of the front shock absorber tower. At the same time, due to the existence of the vibration isolation space , can increase the amount of vibration isolation, reduce the vibration amplitude of the installation point of the front shock absorber tower, so that the vibration amplitude transmitted to the body becomes smaller, the generated noise response in the car becomes smaller, the road noise level of the real vehicle is high, and the vehicle's safety is improved. Comfort, and at the same time, it is conducive to the handling and stability of the vehicle.

Further, the vibration isolation space is a triangular space.

In addition, the connecting structure of the front shock absorber tower includes a wheel house connecting plate, wherein the wheel house connecting plate is connected with the front shock absorber tower, the cabin side beam and the wheel house outer plate .

Further, the wheel house connecting plate covers the vibration isolation space and closes the peripheral wall of the vibration isolation space.

Further, the wheel cover connecting plate is fixedly connected to the front wall of the vehicle frame.

Further, in the height direction of the vehicle, the installation surface of the wheel house connecting plate used for connecting the wheel house outer panel is flush with the side beam of the engine room.

In addition, the connection structure of the front shock absorber tower includes a cabin longitudinal beam, wherein the cabin side beam is fixedly connected to the cabin longitudinal beam through a front connecting beam.

Further, the wheel house outer panel is fixedly connected to the cabin longitudinal beam and the connecting beam.

Further, in one structure, the wheel house outer panel includes: a connection side part, the connection side part is fixedly connected with the connection beam and the cabin side beam; a transition part, the transition part is connected with the The cabin longitudinal beam is fixedly connected; the inclined part is fixedly connected with the cabin longitudinal beam, and forms the vibration isolation space with the cabin side beam and the shock absorber tower.

On the other hand, the utility model provides a vehicle, the frame structure of the vehicle is provided with any connection structure of the front shock absorber tower described above.

As mentioned above, because the connection structure can improve the dynamic stiffness of the front shock absorber tower and increase the amount of vibration isolation, the vibration amplitude transmitted to the vehicle body will be reduced, so that the response of the vehicle interior noise generated by the vehicle will be reduced. The high level of vehicle and road noise improves the comfort of the vehicle and is beneficial to the stability of the vehicle. At the same time, the safety performance and grade of the vehicle are significantly improved.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a bottom view of the connection structure of the front shock absorber tower according to the embodiment of the present invention, that is, a view from bottom to top in the direction of vehicle height.

Explanation of reference signs:

1- Front shock absorber tower, 2- Engine room side beam, 3- Wheel house outer panel, 4- Vibration isolation space, 5- Wheel house connecting plate, 6- Front wall of frame, 7- Engine room longitudinal beam, 8- Connecting side parts, 9-transition part, 10-inclined part, 11-connecting beam.

detailed description

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

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1, the connection structure of the front shock absorber tower provided by the utility model includes a front shock absorber tower 1, a cabin side beam 2 and a wheel house outer panel 3, wherein the wheel housing outer panel 3 and the cabin side The beam 2 is fixedly connected, for example, welded or connected by fasteners such as bolts, and the front shock absorber tower 1 is fixedly connected with the cabin side beam 2 and the wheel house outer plate 3, such as welded or connected by fasteners such as bolts, Moreover, the front shock absorber tower 1 , the side beam 2 of the engine room and the wheel house outer plate 3 form a vibration isolation space 4 on the side of the front shock absorber tower 1 close to the driver's cab.

In this technical solution, since the front shock absorber tower 1 is fixedly connected with the cabin side beam 2 and the wheel house outer panel 3, the front shock absorber tower 1, the cabin side beam 2 and the wheel house outer panel 3 The side of the shock absorber tower 1 close to the cab is surrounded by a vibration isolation space 4, which will significantly enhance the connection stiffness of the front shock absorber tower 1, and at the same time, due to the existence of the vibration isolation space 4, the amount of vibration isolation can be increased. , reduce the vibration amplitude of the installation point of the front shock absorber tower 1, so that the vibration amplitude transmitted to the vehicle body becomes smaller, the generated noise response in the vehicle becomes smaller, the road noise level of the real vehicle is high, and the comfort of the vehicle is improved. Conducive to the stability of the vehicle.

It should be understood that, in the connection structure of the front shock absorber tower of the present invention, the vibration isolation space 4 can be specifically formed according to a specific structure, for example, it can be a quadrilateral structure. Furthermore, in order to further improve the connection stiffness of the front shock absorber tower 1, the vibration isolation space 4 is a triangular space, so that the front shock absorber tower 1, the cabin side beam 2 and the wheel house outer plate 3 can be fully utilized. structure to form a triangular structure to improve connection stiffness.

Further, in order to further enhance the connection stiffness of the front shock absorber tower 1, preferably, the connection structure of the front shock absorber tower can make full use of the wheelhouse connecting plate 5 of the vehicle, that is, the front shock absorber tower The connection structure includes the wheel house connecting plate 5, wherein the wheel house connecting plate 5 is connected with the front shock absorber tower 1, the cabin side beam 2 and the wheel house outer panel 3, so that the front shock absorber tower 1, the cabin The side beam 2 and the wheel house outer panel 3 are connected to the wheel house connecting plate 5, which can further improve the connection stiffness of the vibration isolation space 4.

As shown in Figure 1, further, the wheel house connecting plate 5 covers the vibration isolation space 4, and closes the circumferential wall of the vibration isolation space 4, that is, the wheel house connecting plate 5 covers the vibration isolation space 4, and uses its own The extension of the circumferential edge of the vibration isolation space 4 has a circumferentially closed space wall, so that the external vibration will pass through the wheel house connecting plate 5, the front shock absorber tower 1, the cabin side beam 2 and the wheel house outer plate 3 to effectively attenuate, and at the same time, the circumferentially enclosed vibration isolation space 4 can effectively attenuate the external road surface excitation, thereby reducing road noise.

In addition, in order to further improve the connection stiffness of the front shock absorber tower 1 and the connection strength of the wheel house connecting plate 5, preferably, as shown in FIG. Connection, e.g. by flange welding or bolting.

In addition, in order to facilitate the assembly of the wheel house outer panel 3 of the vehicle, preferably, viewed from the top in the height direction of the vehicle, the wheel house connecting plate 5 is used to connect the mounting surface of the wheel house outer panel 3 to the side beam 2 of the cabin. flat, so that the connecting portion of the wheel house outer panel 3 can be conveniently welded or bolted on the mounting surface, and avoid the installation of the wheel house outer panel 3 when the wheel house connecting plate 5 is relatively low relative to the cabin side beam 2. inconvenient.

In addition, on the basis of any of the above descriptions, in order to increase the connection stiffness of the side beams 2 of the cabin and the tower base 1 of the front shock absorber, preferably, the cabin longitudinal beam 7 of the vehicle frame can be fully utilized. At this time, the front shock absorber The connection structure of the shock tower includes the cabin longitudinal beam 7, wherein, as shown in Figure 1, the cabin side beam 2 is fixedly connected to the cabin longitudinal beam 7 through the connecting beam 11 at the front (based on the front and rear direction of the vehicle). In this way, the strength of the cabin longitudinal beam 7 can be fully utilized to provide a certain installation foundation for the cabin side beam 2 through the connecting beam 11, which will increase the stability of the front shock absorber tower 1 to a certain extent.

Further, as shown in Figure 1, the wheel house outer panel 3 is fixedly connected to the cabin longitudinal beam 7 and the connecting beam 11, such as welding or bolting, so that the cabin longitudinal beam 7 and the connecting beam 11 can be fully utilized, thereby greatly Improve the connection stiffness and stability of the front shock absorber tower 1.

Furthermore, as shown in FIG. 1 , in a structural form of the wheel house outer panel 3 , in order to adapt to the cabin longitudinal beam 7 and the connecting beam 11 and facilitate the formation of a triangular vibration isolation space 4 , the wheel house outer panel 3 includes: Preferably, the connecting side part 8, the transition part 9 and the inclined part 10 are integrally formed, wherein the connecting side part 8 is fixedly connected with the connecting beam 11 and the cabin side beam 2; the transition part 9 is fixedly connected with the cabin longitudinal beam 7; the inclined part 10 It is fixedly connected with the cabin longitudinal beam 7, and forms a vibration isolation space 4 with the cabin side beam 2 and the shock absorber tower 1. In this way, the entire outer edge and part of the inner edge of the wheelhouse outer panel 3 are fixedly connected to the different parts, so that the connecting cross member 11 and the nacelle side member 2 and the nacelle side member 7 can be used, as well as the front shock absorber tower These components such as the seat 1 are connected according to regulations, so that the stability of the connection can be significantly improved, and the connection rigidity and stability of the front shock absorber tower 1 can be enhanced.

On the other hand, the utility model provides a vehicle, the frame structure of the vehicle is provided with any connection structure of the front shock absorber tower described above.

As mentioned above, since the connection structure can improve the dynamic stiffness of the front shock absorber tower 1 and increase the amount of vibration isolation, the amplitude of the vibration transmitted to the vehicle body will be reduced, thereby reducing the response of the interior noise generated by the vehicle. The road noise level of the real vehicle is high, which improves the comfort of the vehicle and is also conducive to the stability of the vehicle. At the same time, the safety performance and grade of the vehicle are significantly improved.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A connection structure of a front shock absorber tower, comprising a front shock absorber tower (1), a cabin side beam (2) and a wheel house outer plate (3), it is characterized in that the wheel house outer plate (3) is fixedly connected with the cabin side beam (2), and the front shock absorber tower (1) is fixedly connected with the cabin side beam (2) and the wheel house outer panel (3), and, The front shock absorber tower (1), the cabin side beam (2) and the wheel house outer plate (3) are surrounded by the side of the front shock absorber tower (1) close to the driver's cab. into a vibration isolation space (4). 2. The connection structure of the front shock absorber tower according to claim 1, characterized in that the vibration isolation space (4) is a triangular space. 3. The connecting structure of the front shock absorber tower according to claim 1, characterized in that, the connecting structure of the front shock absorber tower comprises a wheel house connecting plate (5), wherein, The wheel house connecting plate (5) is connected with the front shock absorber tower (1), the cabin side beam (2) and the wheel house outer plate (3). 4. The connecting structure of the front shock absorber tower according to claim 3, characterized in that, the wheel house connecting plate (5) covers the vibration isolation space (4) and closes the vibration isolation space (4) the circumferential wall. 5 . The connection structure of the front shock absorber tower according to claim 3 , characterized in that, the wheel house connection plate ( 5 ) is fixedly connected with the vehicle frame cowl ( 6 ). 6. The connecting structure of the front shock absorber tower according to claim 3, characterized in that, in the height direction of the vehicle, the wheel house connecting plate (5) is used to connect the wheel house outer plate (3) The mounting surface is flush with the side beams (2) of the cabin. 7. The connection structure of the front shock absorber tower according to any one of claims 1-6, characterized in that, the connection structure of the front shock absorber tower comprises a cabin longitudinal beam (7), wherein, The side beams (2) of the cabin are fixedly connected with the longitudinal beams (7) of the cabin through the front connecting beam (11). 8. The connection structure of the front shock absorber tower according to claim 7, characterized in that, the wheel house outer panel (3) is fixedly connected to the cabin longitudinal beam (7) and the connecting beam (11 ). 9. The connection structure of the front shock absorber tower according to claim 8, characterized in that, the wheel house outer plate (3) comprises: a connecting side portion (8), the connecting side portion (8) is fixedly connected to the connecting beam (11) and the cabin side beam (2); a transition part (9), the transition part (9) is fixedly connected to the cabin longitudinal beam (7); an inclined portion (10), the inclined portion (10) is fixedly connected to the cabin longitudinal beam (7), and is surrounded by the cabin side beam (2) and the front shock absorber tower (1) Describe the vibration isolation space (4). 10. A vehicle, characterized in that the frame structure of the vehicle is provided with the connection structure of the front shock absorber tower according to any one of claims 1-9.