CN204870864U - Crashproof roof beam before multi -purpose vehicle(MPV) - Google Patents

Abstract

The utility model discloses a front anti-collision beam of a multifunctional automobile, which comprises a main body of the anti-collision beam and a mounting base. The main body of the anti-collision beam is in the shape of a rectangle. Roller grooves are provided, bosses are symmetrically arranged at both ends of the roller grooves, rollers are arranged between the bosses, and the rollers are connected to the bosses through roller shafts; cylinders are symmetrically arranged at the rear end of the main body of the anti-collision beam, and pistons are arranged in the cylinders. The piston rod is connected to the main body of the anti-collision beam; a spring is arranged between the main body of the anti-collision beam and the cylinder; an exhaust hole is opened on the cylinder body of the cylinder; the bottom of the cylinder is connected to the energy-absorbing box through a mounting plate, and the rear end of the energy-absorbing box is connected There is an installation base, and the installation base is fixedly installed with the front end of the vehicle body through fastening nuts. The new structure is reasonable in design and easy to use. It reduces the severe shock caused by the collision through various buffering and energy-absorbing methods, ensures the life safety of the driver, reduces the property loss of the car owner, and can help the car go up and down the steps.

Description

A kind of multifunctional automobile front anti-collision beam

technical field

The utility model relates to the field of automobile components, in particular to a front anti-collision beam of a multifunctional automobile.

Background technique

With the popularization of automobiles, people have higher and higher requirements for automobile safety. The front anti-collision beam is a key component that affects the collision safety of vehicles, and its structural design plays a decisive role in the collision safety performance of automobiles.

By adding an anti-collision device to the car, the car driven by the driver will not cause fatal damage to the driver in a violent collision, reduce the degree of car damage, and reduce property damage.

When the car goes up and down the sidewalk steps, the chassis of some cars is relatively low, and the anti-collision beam often rubs against the sidewalk steps, and sometimes the anti-collision beam will get stuck on the sidewalk steps, and the anti-collision beam and sidewalk steps are often scratched and easily damaged. Cracked.

Utility model content

The purpose of this utility model is to provide a multifunctional automobile front anti-collision beam to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A multifunctional automobile front anti-collision beam, comprising a main body of the anti-collision beam and a mounting base, the main body of the anti-collision beam is rectangular, arc-shaped airbags are arranged on both sides of the main body of the anti-collision beam, the main body of the anti-collision beam The lower end is provided with a roller groove, the two ends of the roller groove are symmetrically provided with bosses, rollers are arranged between the bosses, and the rollers are connected to the bosses through roller shafts; the rear end of the main body of the anti-collision beam is symmetrically arranged with Cylinder, the cylinder is provided with a piston, the piston is connected to the main body of the anti-collision beam through the piston rod; a spring is arranged between the main body of the anti-collision beam and the cylinder, and the spring is sleeved on the piston rod; There is an exhaust hole on the cylinder body; the bottom of the cylinder is connected with the energy absorbing box through the installation plate, and the rear end of the energy absorbing box is connected with the installation base, and the installation base is fixed and installed with the front end of the vehicle body through fastening nuts; The energy-absorbing box includes an inner hexagon body and an outer hexagon body, and the inner hexagon body and the outer hexagon body are connected by collapse guide ribs.

As a further solution of the utility model: the roller is a foam plastic cylinder, and the outer surface of the roller is provided with several raised anti-skid bumps.

As a further solution of the utility model: the diameter of the exhaust hole gradually decreases from inside the cylinder to outside the cylinder.

As a further solution of the utility model: the installation base is provided with installation holes for matching with fastening bolts.

As a further solution of the present invention: the main body of the anti-collision beam is made of aluminum alloy.

Compared with the prior art, the beneficial effect of the utility model is: the arrangement of the cylinder and the spring plays the role of buffering and absorbing energy, and the piston rod of the cylinder will reset under the action of the spring after the collision, so as to avoid damage to the energy-absorbing box during a slight collision, Reduce economic loss; setting the exhaust hole whose diameter gradually becomes smaller from the inside of the cylinder to the outside of the cylinder can make the air inside the exhaust hole easy to discharge, while the air outside enters the cylinder slowly, so as to achieve the purpose of slowly releasing the spring, and then It avoids the violent shock that may occur when the elastic potential energy is released quickly; the energy-absorbing box is set up to buffer and absorb energy, and the collapse guide rib is set, so that the energy-absorbing box can collapse regularly along the collapse guide rib during collision, reducing the The damage caused by collisions to passengers ensures the safety of passengers; when the car is on the sidewalk steps, because the chassis of some cars is relatively low, the rollers will play a role of rolling friction with the sidewalk steps to help the car go up and down the steps and protect The main body of the anti-collision beam is not damaged; arc-shaped airbags are arranged at both ends of the main body of the anti-collision beam to further improve the buffering and anti-collision performance.

To sum up, the new structure is reasonable in design and easy to use. It reduces the violent shock caused by collision through various buffering and energy-absorbing methods, ensures the safety of the driver, reduces the property loss of the owner, and can help the car go up and down the steps. .

Description of drawings

Figure 1 is a structural schematic diagram of the front anti-collision beam of a multifunctional vehicle.

Fig. 2 is a schematic structural view of the main body of the anti-collision beam in the front anti-collision beam of a multifunctional vehicle.

Fig. 3 is a structural schematic diagram of an energy-absorbing box in a front anti-collision beam of a multifunctional vehicle.

In the figure: 1-installation base, 2-energy-absorbing box, 21-outer hexagon, 22-inner hexagon, 23-collapse guide rib, 3-installation plate, 4-vent, 5-cylinder, 6-anti-collision beam main body, 7-airbag, 8-spring, 9-piston rod, 10-piston, 11-fastening nut, 12-boss, 13-roller, 14-anti-skid bump, 15-roller groove, 16 - rollers.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-3, a kind of multifunctional automobile front anti-collision beam, comprises anti-collision beam main body 6 and installation base 1, and described anti-collision beam main body 6 is rectangular, and described anti-collision beam main body 6 is provided with The arc-shaped airbag 7, the lower end of the anti-collision beam main body 6 is provided with a roller groove 15, and the two ends of the roller groove 15 are symmetrically provided with bosses 12, and rollers 13 are arranged between the bosses 12, and the rollers 13 The roller 16 is connected with the boss 12; the rear end of the anti-collision beam main body 6 is symmetrically provided with a cylinder 5, and a piston 10 is arranged in the cylinder 5, and the piston 10 is connected with the anti-collision beam main body 6 through a piston rod 9 A spring 8 is arranged between the anti-collision beam main body 6 and the cylinder 5, and the spring 8 is set on the piston rod 9; the cylinder body of the cylinder 5 has an exhaust hole 4; the bottom of the cylinder 5 passes through The mounting plate 3 is connected to the energy-absorbing box 2, and the rear end of the energy-absorbing box 2 is connected to the installation base 1, and the installation base 1 is fixedly installed with the front end of the vehicle body through the fastening nut 11; the energy-absorbing box 2 includes inner six The hexagonal body 22 and the outer hexagonal body 21 , and the inner hexagonal body 22 and the outer hexagonal body 21 are connected by collapse guide ribs 23 .

The working principle of the utility model is: the setting of the cylinder 5 and the spring 8 plays the role of buffering energy absorption, and the piston rod 9 of the cylinder 5 will reset under the action of the spring 8 after the collision, so as to avoid damage to the energy-absorbing box 2 during a slight collision and reduce Economic loss; setting the exhaust hole 4 whose diameter gradually decreases from the inside of the cylinder 5 to the outside of the cylinder 5 can make the air inside the exhaust hole 4 easy to discharge, while the outside air enters the cylinder 5 relatively slowly, thereby achieving slow release of the spring purpose, thereby avoiding the violent shock that may occur when the elastic potential energy is released quickly; the energy-absorbing box 2 is set to buffer and absorb energy, and the collapse guide rib 23 is set, so that the energy-absorbing box 2 can have The regular collapse reduces the damage caused by the collision to passengers and ensures the safety of passengers; the roller 13 is set, when the car is going up and down the sidewalk steps, because the chassis of some cars is relatively low, the roller 13 will roll with the sidewalk steps The friction effect helps the car go up and down the steps, and protects the anti-collision beam main body 6 from being damaged; arc-shaped airbags 7 are arranged at both ends of the anti-collision beam main body 6 to further improve the buffering and anti-collision performance.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. a multi-purpose vehicle(MPV) front anti-collision beam, comprise collision prevention girders main body and mounting seat, it is characterized in that, the rectangular shape of described collision prevention girders main body, described collision prevention girders main body both sides are provided with the air bag of arc, and described collision prevention girders main body lower end is provided with roller trough, and described roller trough two ends are symmetrically arranged with boss, be provided with cylinder between described boss, described cylinder is connected with boss by roller bearing; Described collision prevention girders body rear is symmetrically arranged with cylinder, is provided with piston in described cylinder, and described piston is connected with collision prevention girders main body by piston rod; Be provided with spring between described collision prevention girders main body and cylinder, described spring housing is loaded on piston rod; The cylinder body of described cylinder has deflation hole; Described cylinder bottom is connected with energy-absorption box by adapter plate, and described energy-absorption box rear end is connected with mounting seat, and described mounting seat is by fixedly mounting through clamp nut and body structure; Described energy-absorption box comprises interior hexagon body and outer hexagon body, and described interior hexagon body is connected by crumple guiding rib with outer hexagon body.

2. multi-purpose vehicle(MPV) front anti-collision beam according to claim 1, is characterized in that, described cylinder is foamed plastic cylinder, and described outer surface of cylinder is provided with the anti-skidding convex grain of some projections.

3. multi-purpose vehicle(MPV) front anti-collision beam according to claim 1, is characterized in that, the diameter of described deflation hole diminishes outward to cylinder gradually by cylinder.

4. multi-purpose vehicle(MPV) front anti-collision beam according to claim 1, is characterized in that, described mounting seat has the mounting hole coordinated with binding bolt.

5. multi-purpose vehicle(MPV) front anti-collision beam according to claim 1, is characterized in that, described collision prevention girders main body is made up of aluminum alloy materials.