CN221437934U

CN221437934U - Front bumper assembly for relieving collision

Info

Publication number: CN221437934U
Application number: CN202323152955.2U
Authority: CN
Inventors: 陆顺国
Original assignee: Jiangsu Hentury Auto Parts Co ltd
Current assignee: Jiangsu Hentury Auto Parts Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-07-30
Anticipated expiration: 2033-11-22

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a front bumper assembly for slowing down collision, which comprises a main beam, wherein an arc-shaped protection seat is arranged at the front end of the main beam, an auxiliary beam is arranged between the main beam and the arc-shaped protection seat, an energy absorbing component is arranged at one end of the auxiliary beam, which is close to the main beam, and a buffer component is arranged between the auxiliary beam and the arc-shaped protection seat.

Description

Front bumper assembly for relieving collision

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a front bumper assembly for reducing collision.

Background

In daily traffic, small scratches and rubs are common, and many people are annoyed by such collisions. The front bumper of the existing vehicle on the market has a simple protection function, has no buffer opportunity for collision, has very serious consequences once an accident occurs, and based on the front bumper assembly for slowing down the collision, a protection plate arranged at the front end of a protecting cover is disclosed in Chinese patent publication No. CN205916066U, the skin abrasion caused during the collision is lightened by the technology of the patent, and the damage to the vehicle body caused by the collision of foreign objects is greatly reduced by the additionally arranged buffer blocks and springs, so that the anti-collision capability of the vehicle body is improved, and the life safety of pedestrians is ensured;

however, in the specific implementation of the technology, the technology is connected with the cross beam only through the second spring, although the pedestrian can be protected by the mode, the connection strength between the cross beam and the cross beam is insufficient, but when a traffic accident occurs between vehicles in the follow-up process, the impact force generated by the technology is often larger along with the increase of the speed of the vehicle, the technology only has a certain buffering effect by the buffer block, the buffering effect by the spring is limited, more protection can not be provided for the personnel, and therefore, certain defects exist.

In view of the above, it is desirable to provide a front bumper assembly that mitigates collisions.

Disclosure of utility model

Therefore, the utility model provides the front bumper assembly for relieving the collision, which solves the problems that the connection strength between the cross beam and the cross rod is insufficient, meanwhile, when a traffic accident occurs later, only the buffer block can play a certain role in buffering, the buffer effect of the spring is limited, and more protection can not be provided for personnel.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a front bumper assembly who slows down collision, includes the main beam, the front end of main beam is provided with the arc and protects the seat, be provided with the auxiliary girder between main beam and the arc and protect the seat, the one end that the auxiliary girder is close to the main beam is provided with energy-absorbing part, be provided with buffer unit between auxiliary girder and the arc and protect the seat.

Preferably, the two ends of the outer wall of one side of the main beam, which is far away from the auxiliary beam, are respectively fixed with a connecting girder, two ends of the outer wall of the opposite side of the connecting girder, which are close to the main beam, are respectively fixed with a triangular reinforcing rib, and the other ends of the triangular reinforcing ribs are fixed at positions corresponding to the outer wall of the main beam.

Preferably, the energy-absorbing component comprises a crumple rod and a sleeve cylinder, two crumple rods are arranged at two ends of the outer wall of one side of the main beam opposite to the auxiliary beam, the sleeve cylinder is arranged between the two crumple rods, and the rear ends of the sleeve cylinders are connected with the outer wall of one side of the main beam, which is close to the auxiliary beam.

Preferably, one end of the sleeve cylinder, which is far away from the main beam, is slidably connected with a sliding shaft, the other end of the sliding shaft is connected with the outer wall of the auxiliary beam, a piston is fixed at one end of the sliding shaft, which is inserted into the inner wall of the sleeve cylinder, and hydraulic oil is filled between the inner wall of the sleeve cylinder and the piston.

Preferably, a guide sliding rod is arranged at the center of the bottom end of the inner wall of the sleeve cylinder, the sliding shaft is in sliding connection with the outer wall of the guide sliding rod through a through hole, and a sealing ring is fixed at the joint of the piston and the guide sliding rod.

Preferably, the buffer component comprises energy-absorbing boxes, a plurality of the energy-absorbing boxes are uniformly arranged in a strip array mode, and two ends of each energy-absorbing box are fixed on one side opposite to the auxiliary beam and the arc-shaped protecting seat.

Preferably, springs are arranged in the energy-absorbing boxes, the upper ends and the lower ends of the springs are fixed on one side, opposite to the auxiliary beam, of the arc-shaped protection seat, a foam plate is arranged on the outer wall of one side, far away from the auxiliary beam, of the arc-shaped protection seat, and buffer cotton is arranged at one end, far away from the arc-shaped protection seat, of the foam plate.

The beneficial effects of the utility model are as follows:

according to the utility model, the arc-shaped protection seats, the buffer cotton and the foam plates are mutually matched to buffer the collision pedestrians, so that the injury to the pedestrians is reduced, and the impact force generated when the vehicles mutually collide can be sequentially buffered and counteracted through the cooperation of the auxiliary beam, the crumple rod, the sleeve cylinder and the main beam, so that the impact force is prevented from being transmitted into the cockpit to cause injury to the personnel, and the use of the pedestrian is more convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model in a top view;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the sleeve of the present utility model;

fig. 4 is a schematic perspective view of a sliding shaft according to the present utility model.

In the figure: 100. a main beam; 110. connecting a girder; 120. triangular reinforcing ribs; 200. an auxiliary beam; 210. a collapsing rod; 300. sleeving a cylinder; 310. a slide shaft; 320. a guide slide bar; 400. arc-shaped protective seats; 410. buffering cotton; 420. a foam board; 430. an energy absorption box; 431. and (3) a spring.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 4, the front bumper assembly for reducing collision provided by the utility model comprises a main beam 100, wherein an arc-shaped protection seat 400 is arranged at the front end of the main beam 100, an auxiliary beam 200 is arranged between the main beam 100 and the arc-shaped protection seat 400, the auxiliary beam 200 is arranged to connect the main beam 100 and the arc-shaped protection seat 400, the arc-shaped protection seat 400 is arranged to play a role in supporting and buffering, the arc-shaped protection seat 400 is made of a thin steel plate and a foam plate, the two ends of the outer wall of one side of the main beam 100 far from the auxiliary beam 200 are respectively fixed with a connecting girder 110, the outer walls of the two opposite sides of the connecting girders 110 are respectively fixed with a triangular reinforcing rib 120 at one end close to the main beam 100, the other end of the triangular reinforcing rib 120 is fixed at the corresponding position of the outer wall of the main beam 100, and the connecting girder 110 and the triangular reinforcing rib 120 are arranged to improve the stamping resistance of the main beam 100, and simultaneously the main beam 100 and a vehicle body can be fixed;

The auxiliary beam 200 is provided with an energy absorbing component near one end of the main beam 100, the energy absorbing component comprises a crumple rod 210 and a sleeve cylinder 300, the two crumple rods 210 are arranged at two ends of the outer wall of one side of the main beam 100 opposite to the auxiliary beam 200, the sleeve cylinder 300 is arranged between the two crumple rods 210, the crumple rod 210 is arranged to be capable of connecting the auxiliary beam 200 with the main beam 100, meanwhile, the crumple rods 210 can crumple and absorb energy when being impacted strongly, the rear ends of the sleeve cylinders 300 are connected with the outer wall of one side of the main beam 100 near the auxiliary beam 200, one ends of the sleeve cylinders 300, far from the main beam 100, are connected with sliding shafts 310 in a sliding manner, the other ends of the sliding shafts 310 are connected with the outer wall of the auxiliary beam 200, one ends of the sliding shafts 310, which are inserted into the inner wall of the sleeve cylinder 300, are fixed with pistons, hydraulic oil is filled between the inner wall of the sleeve cylinder 300 and the pistons, the center of the bottom end of the inner wall of the sleeve cylinder 300 is provided with a guide slide bar 320, the slide shaft 310 and the piston are in sliding connection with the outer wall of the guide slide bar 320 through a through hole, a sealing ring is fixed at the connection part of the piston and the guide slide bar 320, the arranged auxiliary beam 200 moves towards the direction of the main cross beam 100 when being impacted, the arranged slide shaft 310 can slide in the sleeve cylinder 300 through the piston, impact force can be buffered through filled hydraulic oil, meanwhile, one end of the sleeve cylinder 300, which is close to the main cross beam 100, is provided with a pressure stabilizing valve, pressure relief can be carried out when the internal pressure of the sleeve cylinder 300 is overlarge, the sleeve cylinder 300 is prevented from being exploded, and the arranged sealing ring plays a sealing role between the bottom end of the slide shaft 310 and the guide slide bar 320 to avoid the situation of hydraulic oil leakage;

The auxiliary beam 200 and the arc-shaped protection seat 400 are provided with buffer components, the buffer components comprise energy-absorbing boxes 430, the plurality of energy-absorbing boxes 430 are uniformly arranged in a strip array mode, two ends of each energy-absorbing box 430 are fixed on one side opposite to the auxiliary beam 200 and the arc-shaped protection seat 400, springs 431 are arranged in the energy-absorbing boxes 430, the upper ends and the lower ends of the springs 431 are fixed on one side opposite to the arc-shaped protection seat 400 and the auxiliary beam 200, a foam board 420 is arranged on the outer wall of one side, far away from the auxiliary beam 200, of the arc-shaped protection seat 400, buffer cotton 410 is arranged at one end, far away from the arc-shaped protection seat 400, of each foam board 420, the impact end of the arranged arc-shaped protection seat 400 is flexible, damage to pedestrians caused by vehicle impact can be reduced through the buffer cotton 410 and the foam board 420, the arranged energy-absorbing boxes 430 and springs 431 play a certain buffering role in order to achieve a certain energy-absorbing effect through 431 and the like, and materials of the energy-absorbing boxes 430 can be made of steel plates or rubber.

The application process of the utility model is as follows: firstly, when a vehicle collides with a pedestrian, the impact hardness of the pedestrian can be reduced through the buffer cotton 410 and the foam board 420 which are matched with the flexible end of the arc-shaped protection seat 400, and meanwhile, the impact strength of the vehicle on the pedestrian can be reduced through the energy absorption box 430 and the spring 431, so that the pedestrian on a road can be protected;

when the vehicle collides with the vehicle, the arc-shaped protection seat 400, the energy-absorbing box 430 and the spring 431 are arranged to buffer and offset the collision to a certain extent, the auxiliary beam 200 receives the impact force and conveys the impact force towards the direction of the main beam 100, the set crumple rod 210 crumples, the sliding shaft 310 can slide in the sleeve cylinder 300 through the piston, the impact force can be buffered through filled hydraulic oil, and finally the main beam 100 and the connecting girder 110 can offset the collision force, so that the transmission of the vehicle to the cockpit can be reduced, and personnel can be protected.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a front bumper assembly who slows down collision, includes main beam (100), the front end of main beam (100) is provided with arc protection seat (400), its characterized in that: an auxiliary beam (200) is arranged between the main beam (100) and the arc-shaped protection seat (400), an energy absorbing component is arranged at one end, close to the main beam (100), of the auxiliary beam (200), and a buffer component is arranged between the auxiliary beam (200) and the arc-shaped protection seat (400).

2. A front bumper assembly for mitigating a collision as defined in claim 1, wherein: the main beam (100) is kept away from one side outer wall both ends of auxiliary beam (200) and is all fixed with connection girder (110), two the one end that just is close to main beam (100) of connection girder (110) opposite side outer wall all is fixed with triangle strengthening rib (120), the other end of triangle strengthening rib (120) corresponds position department with the outer wall of main beam (100) and is fixed.

3. A front bumper assembly for mitigating a collision as defined in claim 1, wherein: the energy-absorbing component comprises a crumple rod (210) and a sleeve cylinder (300), wherein two crumple rods (210) are arranged at two ends of the outer wall of one side, opposite to the auxiliary beam (200), of the main beam (100), the sleeve cylinder (300) is arranged between the two crumple rods (210), and the rear ends of a plurality of sleeve cylinders (300) are connected with the outer wall of one side, close to the auxiliary beam (200), of the main beam (100).

4. A front bumper assembly for mitigating a collision as defined in claim 3, wherein: the sleeve cylinder (300) is far away from one end of the main beam (100) and is connected with a sliding shaft (310) in a sliding mode, the other end of the sliding shaft (310) is connected with the outer wall of the auxiliary beam (200), one end, inserted into the inner wall of the sleeve cylinder (300), of the sliding shaft (310) is fixedly provided with a piston, and hydraulic oil is filled between the inner wall of the sleeve cylinder (300) and the piston.

5. A front bumper assembly for mitigating a collision as defined in claim 4, wherein: the guide sliding rod (320) is arranged at the center of the bottom end of the inner wall of the sleeve cylinder (300), the sliding shaft (310) is in sliding connection with the outer wall of the guide sliding rod (320) through a through hole, and a sealing ring is fixed at the joint of the piston and the guide sliding rod (320).

6. A front bumper assembly for mitigating a collision as defined in claim 1, wherein: the buffering component comprises energy-absorbing boxes (430), a plurality of the energy-absorbing boxes (430) are uniformly arranged in a strip-shaped array mode, and two ends of each energy-absorbing box (430) are fixed on one side opposite to the auxiliary beam (200) and the arc-shaped protection seat (400).

7. A front bumper assembly for mitigating a collision as defined in claim 6, wherein: the energy-absorbing box (430) is internally provided with springs (431), the upper end and the lower end of each spring (431) are fixed on one side opposite to the arc-shaped protection seat (400) and the auxiliary beam (200), a foam plate (420) is installed on the outer wall of one side, far away from the auxiliary beam (200), of the arc-shaped protection seat (400), and buffer cotton (410) is installed on one end, far away from the arc-shaped protection seat (400), of the foam plate (420).