CN207374300U - A kind of motor vehicle multi-buffer energy absorption device - Google Patents

Abstract

A multi-stage buffer energy-absorbing device for a motor vehicle, comprising an anti-collision steel plate fixed on the longitudinal beam of the vehicle frame through a load-bearing frame, a plurality of anti-collision balls are arranged on one side of the anti-collision steel plate, and the other side of the anti-collision steel plate is connected with multiple anti-collision balls. One end of each shock absorber is connected, and the other end of the shock absorber is connected with a crush tube, and the crush tube is fixedly connected with the vehicle frame longitudinal beam through pins, and the shock absorber is also provided with a shock absorber spring. The utility model can deal with impacts in various situations, provide effective protection for the safety of people on the vehicle, reduce the deformation of the vehicle engine and the compartment, and reduce the maintenance cost for the vehicle owner. It has multi-level protection, low cost, and simple and effective installation. , the obvious advantage of anti-collision effect.

Description

A multi-stage buffer energy-absorbing device for a motor vehicle

technical field

The utility model relates to a multi-stage buffer energy-absorbing device for a motor vehicle.

Background technique

The shock-absorbing energy-absorbing mechanism commonly used in modern automobiles is composed of bumpers, energy-absorbing boxes and other related components. The traditional car impact protection mechanism is realized by the energy-absorbing box at the rear end of the bumper, which has a single function and limited effect, which is not enough to meet the safety protection brought to the occupants in the event of a collision.

Utility model content

The purpose of this utility model is to provide a multi-stage buffer energy-absorbing device for motor vehicles, which solves the problem that the traditional automobile impact protection mechanism is realized by the energy-absorbing box at the rear end of the bumper, which has a single function and limited effect, which is not enough to meet the impact during impact. , Bring the problem of safety protection to the personnel on board.

The technical solution adopted in order to achieve the above object is a multi-stage buffer energy-absorbing device for a motor vehicle, which includes an anti-collision steel plate fixed on the longitudinal beam of the vehicle frame through a load-bearing frame, and a plurality of anti-collision steel plates are arranged on one side The anti-collision ball, the other side of the anti-collision steel plate is connected with one end of multiple shock absorbers, and the other end of the shock absorber is connected with a crushing tube, and the crushing tube is fixedly connected with the frame longitudinal beam through a pin, and the shock absorber There are also shock absorbing springs.

Beneficial effect

Compared with the prior art, the utility model has the following advantages.

The utility model can deal with impacts in various situations, provide effective protection for the safety of people on the vehicle, reduce the deformation of the vehicle engine and the compartment, and reduce the maintenance cost for the vehicle owner. It has multi-level protection, low cost, and simple and effective installation. , the obvious advantage of anti-collision effect.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic cross-sectional view of a fixed anti-collision ball of the present invention.

Detailed ways

The device includes an anti-collision steel plate 2 fixed on the frame longitudinal beam 8 through a load-bearing frame 3, as shown in Fig. The other side of the steel plate 2 is connected to one end of a plurality of shock absorbers 4, and the other end of the shock absorber 4 is connected to a crush tube 6, and the crush tube 6 is fixedly connected to the frame longitudinal beam 8 through a pin 7, and the shock absorber 4 is also provided with damping spring 5.

The anti-collision ball 1 is made of rubber material, the anti-collision steel plate 2 is provided with a groove, the groove is connected to the bump at the bottom of the anti-collision ball 1, and the anti-collision ball 1 is fixed on the anti-collision steel plate by buckling 2 on.

The utility model adopts the combination of the anti-collision ball 1 and the anti-collision steel plate 2, and is connected with the shock absorber 4, and a multi-stage buffer energy-absorbing device is formed by connecting the crush tube 6 device in front of the longitudinal beam 8 of the vehicle frame to replace the traditional anti-collision beam. The anti-collision ball 1 is fixed on the anti-collision steel plate 2 in the form of buckles, and the shock absorber 4 is connected to the rear side of the anti-collision steel plate 2. When a collision occurs, the anti-collision ball 1 first absorbs the impact force, and a part of the impact force is absorbed The anti-collision ball 1 absorbs, and the remaining impact force continues to be transmitted to the shock absorber 4, and the shock absorber 4 is used to absorb the impact force due to its good cushioning performance. When the shock absorber 4 is compressed to the shortest and the impact force is still large, the shock The force can be transmitted to the rear crush tube 6 through the shock absorber 4. When the impact force exceeds the maximum shear force of the pin 7, the pin 7 breaks and absorbs the impact force until the anti-collision steel plate 2 deforms to absorb the impact force. Wherein the load-bearing frame 3 plays the role of supporting the weight of the accessory device and maintaining the structure for the whole device, so that the multi-level mechanism absorbs the impact force and reduces the damage caused by the impact to the driver and passengers.

The device can perform multi-level buffering, namely:

First-level shock absorption: When the car has a slight collision, the impact force is transmitted through the front plastic shell, and the impact force is supported on the anti-collision ball 1 in front of the anti-collision steel plate 2, and the collision energy is absorbed by the deformation of the anti-collision ball 1.

Secondary shock absorption: when the car collides at a medium speed, the collision produces a large impact force, and the deformation of the anti-collision ball 1 reaches the limit. At this time, the impact force is still transmitted backward, and the impact force of the car is transmitted to the hydraulic shock absorber 4 , The shock absorber spring 5 absorbs the impact energy through the hydraulic shock absorber 4 and the shock absorber spring 5 together.

Three-level shock absorption: when the car collides at a relatively high speed, the anti-collision ball 1, the shock absorber 4 and the shock-absorbing spring 5 all reach the deformation limit, and at this moment, there is still energy to continue to be transmitted backward. When the strength is greater than the shearing force of the pin 7, the pin 7 is sheared, and the crush tube 6 is inserted into the frame longitudinal beam 8. At this time, the impact energy is absorbed by shearing the pin 7.

Four-level shock absorption: when the car collides at high speed, the anti-collision ball 1, the shock absorber 4, the shock-absorbing spring 5 and the pin 7 all reach the deformation limit. At this time, the impact energy is absorbed by the deformation of the anti-collision steel plate 2 itself.

Wherein, the entire set of multi-stage buffer energy-absorbing devices moves longitudinally, and supports the weight of the front half of the vehicle through the load-bearing frame 3 .

Claims (2)

1. A multi-stage buffer energy-absorbing device for a motor vehicle, comprising an anti-collision steel plate (2) fixed on the vehicle frame longitudinal beam (8) through a load-bearing frame (3), it is characterized in that the anti-collision steel plate (2) A plurality of anti-collision balls (1) are arranged on one side, and the other side of the anti-collision steel plate (2) is connected with one end of a plurality of shock absorbers (4), and the other end of the shock absorber (4) is connected with a crush tube ( 6), the crush tube (6) is fixedly connected with the vehicle frame longitudinal beam (8) through the pin (7), and the shock absorber (4) is also provided with a shock absorber spring (5). 2. A multi-stage buffer energy-absorbing device for a motor vehicle according to claim 1, characterized in that, the anti-collision ball (1) is made of rubber material, and the anti-collision steel plate (2) is provided with a concave The groove and the groove are connected to the bump on the bottom of the anti-collision ball (1), and the anti-collision ball (1) is fixed on the anti-collision steel plate (2) by buckling.