CN109552226B

CN109552226B - Automobile rear bumper with high safety

Info

Publication number: CN109552226B
Application number: CN201811431666.7A
Authority: CN
Inventors: 李铜玲
Original assignee: Huai'an Juyou New Energy Technology Co ltd
Current assignee: Jiangsu Gaobiao Cultural Development Co ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2021-07-23
Anticipated expiration: 2038-11-28
Also published as: CN109552226A

Abstract

The invention discloses an automobile rear bumper with high safety, which comprises a support bar fixed on a chassis of a vehicle, a protective bar arranged perpendicular to the support bar and connecting bars positioned at two ends of the support bar and the protective bar, and is structurally characterized in that two ends of the protective bar are connected with vertically arranged supporting plates, a fixed plate fixed on the end surface of a trunk of the vehicle and with an exposed lower edge is matched above the protective bar, an arched collision bearing plate is connected outside the fixed plate, a cavity with a port is formed between the collision bearing plate and the fixed plate, and a shock absorption layer fixed with the fixed plate and the collision bearing plate is filled in the cavity; compared with the prior art, the invention has the beneficial effects that: the vehicle trunk can be effectively protected, the trunk cover is prevented from being crushed, the loss can be reduced, and the use is convenient; the automobile trunk protection device has the advantages that the impact force can be relieved, the impact force received by the automobile trunk is conducted to the protection bar, the damage to the automobile is reduced, and the automobile trunk protection device has high safety.

Description

Automobile rear bumper with high safety

Technical Field

The invention belongs to the field of automobile protection equipment, and particularly relates to an automobile rear bumper with high safety.

Background

Along with the continuous improvement of living conditions of people, the use of automobiles is more and more common, the common use of automobiles brings great hidden danger to the current traffic, traffic accidents often occur, bumpers are popularized on the existing automobiles, the main purpose of the bumper is to reduce the impact force on the automobiles when the automobiles are collided, in the traffic accidents, the rear-end collision phenomenon is often the most common phenomenon, when the automobiles are collided, the doors of a trunk are often seriously damaged, and the maintenance cost is high.

Disclosure of Invention

In order to solve the technical problems, the invention provides a rear bumper with high safety, which can effectively protect a trunk door of a vehicle.

In order to achieve the purpose, the invention adopts the technical scheme that the automobile rear bumper with high safety comprises a support bar fixed on a chassis of a vehicle, a protective bar arranged perpendicular to the support bar and connecting bars positioned at two ends of the support bar and the protective bar, and is structurally characterized in that two ends of the protective bar are connected with vertically arranged supporting plates, a fixed plate fixed on the end surface of a trunk of the vehicle and with an exposed lower edge is matched above the protective bar, an arched collision bearing plate is connected outside the fixed plate, a cavity with a port is formed between the collision bearing plate and the fixed plate, a shock absorption layer fixed with the fixed plate and the collision bearing plate is filled in the cavity, a plurality of bent channels arranged parallel to the protective bar are arranged in the shock absorption layer, a cylindrical cavity extending from the fixed plate to the collision bearing plate is arranged between two adjacent bent channels, and the center position of the bent channel is communicated with a center cavity arranged parallel to the cylindrical cavity, the cooperation has the carriage release lever that passes the crooked passageway setting in the central cavity, is equipped with compression spring between the terminal surface of the both ends of carriage release lever and central cavity, crooked passageway fit in have the metal knee, the curvature radius of metal knee is greater than the curvature radius of crooked passageway, the central point of metal knee puts the center segmentation hole that is equipped with radial setting to it is fixed with the carriage release lever through center segmentation hole, the cylindricality intracavity be equipped with compression damping spring, the side of fagging be fixed with metal knee complex notch, the bottom mounting of notch has the hemisphere body of applying the extrusion force to the metal knee when the tip cooperation with the metal knee.

Furthermore, the end part of the metal bent rod is provided with an extrusion inclined plane matched with the hemispheroid.

Furthermore, the protective bar is provided with a limiting strip plate which extends upwards and is not contacted with the fixed plate when the end part of the metal bent rod is matched and extruded with the hemispheroid.

Furthermore, the limiting strip plates are provided with shock absorption dampers facing the fixing plates, and the shock absorption dampers are arranged at equal intervals.

Furthermore, reinforcing ribs with equal intervals are arranged between the opposite side surfaces of the limiting strip plates, which are positioned on the damping, and the protective bar.

Furthermore, both ends of the cavity are provided with sealing plates fixed with the fixed plate and the collision bearing plate, and the sealing plates are provided with round holes matched with the end parts of the bent channels.

Compared with the prior art, the invention has the beneficial effects that:

1. the vehicle trunk can be effectively protected, the trunk cover is prevented from being crushed, the loss can be reduced, and the use is convenient;

2. the automobile trunk protection device has the advantages that the impact force can be relieved, the impact force received by the automobile trunk is conducted to the protection bar, the damage to the automobile is reduced, and the automobile trunk protection device has high safety.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side sectional view of a fixing plate and a collision bearing plate assembly according to the present invention;

FIG. 4 is a schematic top view of a shock-absorbing deck according to the present invention;

FIG. 5 is a schematic view of a bumper structure according to the present invention;

the damping device comprises a support bar 1, a protective bar 2, a connecting bar 3, a supporting plate 4, a fixing plate 5, a collision bearing plate 6, a chamber 7, a damping layer 8, a bending channel 9, a cylindrical cavity 10, a central cavity 11, a movable rod 12, a compression spring 13, a metal bent rod 14, a central dividing hole 15, a compression damping spring 16, a groove opening 17, a hemispherical body 18, an extrusion inclined surface 19, a limiting strip plate 20, damping 21, a reinforcing rib 22, a sealing plate 23 and a round hole 24.

Detailed Description

The invention is further illustrated with reference to the figures and the examples, without however limiting the scope of protection of the invention.

As shown in fig. 1 to 5, a rear bumper of an automobile with high safety comprises a supporting rod 1 fixed on a chassis of the automobile, a protective rod 2 arranged perpendicular to the supporting rod 1, and connecting rods 3 arranged at two ends of the supporting rod 1 and the protective rod 2, wherein two ends of the protective rod 2 are connected with supporting plates 4 arranged vertically, a fixed plate 5 fixed on the end surface of a trunk of the automobile and with the lower edge exposed is matched above the protective rod 2, an arched collision plate 6 is connected outside the fixed plate 5, a chamber 7 provided with a port is formed between the collision plate 6 and the fixed plate 5, a shock absorption layer 8 fixed with the fixed plate 5 and the collision plate 6 is filled in the chamber 7, a plurality of curved channels 9 arranged parallel to the protective rod 2 are arranged in the shock absorption layer 8, a cylindrical cavity 10 extending from the fixed plate 5 to the collision plate 6 is arranged between two adjacent curved channels 9, the central position of the curved channel 9 is communicated with a central cavity 11 arranged parallel to the cylindrical cavity 10, a moving rod 12 penetrating through the curved channel 9 is matched in the central cavity 11, a compression spring 13 is arranged between two ends of the moving rod 12 and the end surface of the central cavity 11, a metal bent rod 14 is matched in the curved channel 9, the curvature radius of the metal bent rod 14 is larger than that of the curved channel 9, a central dividing hole 15 arranged in the radial direction is arranged at the central position of the metal bent rod 14 and is fixed with the moving rod 12 through the central dividing hole 15, a compression damping spring 16 is arranged in the cylindrical cavity 10, a groove opening 17 matched with the metal bent rod 14 is fixed at the side end of the supporting plate 4, a hemispherical body 18 applying extrusion force to the metal bent rod 14 when being matched with the end portion of the metal bent rod 14 is fixed at the bottom end of the groove opening 17, and an extrusion inclined surface 19 matched with the hemispherical body 18 is arranged at the end portion of the metal bent rod 14.

The protection thick stick 2 on be equipped with upwards extend and when the tip of metal knee 14 with hemisphere 18 cooperation extrusion do not with the spacing slat 20 of fixed plate 5 contact, be equipped with the shock attenuation damping 21 towards fixed plate 5 setting on the spacing slat 20, shock attenuation damping 21 is the several and equidistant range, be equipped with equidistant strengthening rib 22 between the protection thick stick 2 and the opposite side that lies in shock attenuation damping 21 on the spacing slat 20.

And sealing plates 23 fixed with the fixing plate 5 and the collision bearing plate 6 are arranged at two ends of the cavity 7, and round holes 24 matched with the end parts of the bent channels 9 are arranged on the sealing plates 23.

In the concrete implementation of the invention, when the vehicle is collided with by a rear-end collision, firstly the collision bearing plate 6 is in contact collision with a collision object, the collision bearing plate 6 performs first buffering on the received collision force through the compression damping spring 16, and the trunk lid of the vehicle is in a closed state, the hemisphere 18 is pressed against the end of the metal bent rod 14, thereby urging the metal bent rod 14 into a dome-shaped state, and thus, the metal bent rod 14 is urged to be restored to a state when the vehicle is subjected to an impact force, thereby transmitting the force to the strut plate 4, and when the fixing plate 5 is moved inward due to an excessive impact force, the fixing plate 5 comes into contact with the shock absorbing dampers 21, the vehicle trunk protection device has the advantages that further shock absorption is carried out, impact force is transmitted to the protection rod 2, so that a trunk of a vehicle can be effectively protected, the trunk cover is prevented from being crushed, loss can be reduced, and the vehicle trunk protection device is convenient to use; the impact force can be relieved, so that damage to the vehicle is reduced, and the safety is high.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a rear bumper with high security, is including fixing the support bar on the chassis of vehicle, with the perpendicular protection bar that sets up of support bar and the connecting bar that is located the both ends of support bar and protection bar, its characterized in that: the two ends of the protective bar are connected with supporting plates which are vertically arranged, a fixed plate which is fixed on the end surface of a trunk of a vehicle and the lower edge of which is exposed is matched above the protective bar, an arched collision bearing plate is connected outside the fixed plate, a cavity with a port is formed between the collision bearing plate and the fixed plate, a shock absorption layer which is fixed with the fixed plate and the collision bearing plate is filled in the cavity, a plurality of bending channels which are parallel to the protective bar are arranged in the shock absorption layer, a cylindrical cavity which extends from the fixed plate to the collision bearing plate is arranged between two adjacent bending channels, the center position of each bending channel is communicated with a central cavity which is parallel to the cylindrical cavity, a moving rod which passes through the bending channels is matched in the central cavity, a compression spring is arranged between the two ends of the moving rod and the end surface of the central cavity, a metal bent rod is matched in the bending channel, and the curvature radius of the metal bent rod is larger than that of the bending channels, the central point of metal knee is put and is equipped with the central division hole of radial setting to it is fixed with the carriage release lever through central division hole, the cylindricality intracavity be equipped with compression damping spring, the side of fagging be fixed with metal knee complex notch, the bottom mounting of notch has the hemisphere body of exerting the extrusion force to the metal knee when the tip cooperation with the metal knee.

2. The automobile rear bumper with high safety as claimed in claim 1, wherein: the end part of the metal bent rod is provided with an extrusion inclined plane matched with the hemispheroid.

3. The automobile rear bumper with high safety as claimed in claim 1, wherein: the protection thick stick on be equipped with upwards extend and when the tip of metal knee-beam and hemisphere cooperation extrusion not with the spacing slat of fixed plate contact.

4. A rear bumper for vehicles with high safety as set forth in claim 3, wherein: the limiting strip plates are provided with shock absorption dampers facing the fixing plates, and the shock absorption dampers are arranged at equal intervals.

5. The automobile rear bumper with high safety as claimed in claim 4, wherein: the limiting strip plate is provided with reinforcing ribs which are arranged between the opposite side surfaces of the damping and the protective bar at equal intervals.

6. The automobile rear bumper with high safety as claimed in claim 1, wherein: and sealing plates fixed with the fixing plate and the collision bearing plate are arranged at two ends of the cavity, and circular holes matched with the end parts of the bent channels are formed in the sealing plates.