CN211107291U

CN211107291U - High-strength automobile rear bumper

Info

Publication number: CN211107291U
Application number: CN201921420779.7U
Authority: CN
Inventors: 邱岳冬
Original assignee: Jiangsu Yongcheng Automobile Parts Co ltd
Current assignee: Jiangsu Yongcheng Automobile Parts Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-28
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to the technical field of automobile rear bumpers, in particular to a high-strength automobile rear bumper, which solves the defects of low strength and easy damage in the prior art, and comprises a bumper body and a buffer pad, wherein the side wall of the bumper body is respectively welded with a triangular bracket and a cross beam, the cross beam is provided with a slide hole, the inside of the slide hole is slidably connected with a buffer rod, one end of the buffer rod is welded with a reinforcing plate, the other end of the buffer rod is movably hinged with a connecting rod, the other end of the connecting rod is movably hinged with a slider, through the arrangement of structures such as the reinforcing plate, the buffer spring, the connecting rod, the slider, a rubber interlayer and the like, after being impacted, the reinforcing plate slides, the rubber interlayers at both sides strengthen the sealing performance and the friction force, the buffer pad and the buffer spring are matched to buffer the buffer force, the buffer force is dispersed to both sides after the, the impact force can be effectively reduced, and the safety of vehicles and personnel is ensured.

Description

High-strength automobile rear bumper

Technical Field

The utility model relates to an automobile rear bumper technical field especially relates to an automobile rear bumper of high strength.

Background

For many years, the front and rear bumpers of automobiles are mainly made of metal materials, U-shaped channel steel is punched by steel plates with the thickness of more than 3 millimeters, chromium plating is carried out on the U-shaped channel steel, the U-shaped channel steel is riveted or welded with frame longitudinal beams, a large gap is formed between the U-shaped channel steel and an automobile body, and the automobile front and rear bumpers are just like a part which is attached to the automobile body and is not attractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. At present, the front and rear bumpers of the automobile not only keep the original protection function, but also pursue harmony and unity with the shape of the automobile body and pursue the light weight of the automobile. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers.

Automobile rear bumper among the prior art intensity is low, is impaired after the collision easily, and the rear portion of car receives the striking back moreover, and impulsive force can't obtain fine alleviating, leads to automobile body and personnel to receive the injury.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has intensity low, easily receive the damage among the prior art, and the rear bumper of a high strength that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rear bumper of high strength, includes bumper body and cushion, A-frame and crossbeam have been welded respectively to the lateral wall of bumper body, the slide opening has been seted up on the crossbeam, the inside sliding connection of slide opening has the buffer beam, the one end welding of buffer beam has the reinforcing plate, and the other end activity of buffer beam articulates there is the connecting rod, the other end activity of connecting rod articulates there is the slider, the slider slides and sets up one side of A-frame, the inside groove has been seted up to the inside of bumper body, and the lateral wall of inside groove has rubber interlayer through adhesive bonding, and two rubber interlayer set up relatively and form the clearance, the reinforcing plate embedding is in the clearance.

Preferably, a sliding groove is formed in one side of the triangular support, a ball is arranged at the bottom of the sliding block, the ball is connected with the inside of the sliding groove in a sliding mode, and a silica gel pad is bonded to the end portion of the sliding groove through an adhesive.

Preferably, the triangular support is provided with a slotted hole, and the beam and the buffer pad penetrate through the inside of the slotted hole.

Preferably, a through hole is formed in the buffer pad, the buffer rod penetrates through the inside of the through hole, a buffer spring is sleeved outside the buffer rod, and two ends of the buffer spring are fixedly connected with one side of the reinforcing plate and one side of the cross beam through buckles respectively.

Preferably, the end faces of the reinforcing plate and the rubber interlayer are on the same horizontal plane as the end portion of the bumper body.

The utility model has the advantages that: the utility model discloses in through the setting of A-frame and crossbeam isotructure, structure through the triangle promotes bumper body intensity, not fragile deformation after slight collision, through the reinforcing plate, buffer spring, the connecting rod, the slider, rubber intermediate layer isotructure's setting, receive the striking back, the reinforcing plate slides, sealing performance and frictional force are strengthened to the rubber intermediate layer of both sides, the cooperation blotter, buffer spring cushions the impulsive force, drive link mechanism disperses the impulsive force to both sides after the action, can reduce the impact force effectively, ensure vehicle and personnel's safety.

Drawings

Fig. 1 is a schematic structural view of a high-strength rear bumper of an automobile according to the present invention;

fig. 2 is an enlarged view of the high-strength rear bumper of the present invention at the position marked with the symbol a;

fig. 3 is a front view of a high-strength rear bumper according to the present invention.

In the figure: the bumper comprises a bumper body 1, a triangular support 2, an inner groove 3, a reinforcing plate 4, a cross beam 5, a cushion pad 6, a cushion rod 7, a cushion spring 8, a connecting rod 9, a sliding block 10, a sliding groove 11, a ball 12, a silica gel pad 13 and a rubber interlayer 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a high-strength rear bumper for an automobile comprises a bumper body 1 and a cushion 6, wherein a triangular bracket 2 and a cross beam 5 are welded on the side wall of the bumper body 1 respectively, a slide hole is formed in the cross beam 5, a buffer rod 7 is connected in the slide hole in a sliding manner, a reinforcing plate 4 is welded at one end of the buffer rod 7, a connecting rod 9 is movably hinged at the other end of the buffer rod 7, a sliding block 10 is movably hinged at the other end of the connecting rod 9, the sliding block 10 is arranged on one side of the triangular bracket 2 in a sliding manner, an inner groove 3 is formed in the bumper body 1, a rubber interlayer 14 is bonded on the side wall of the inner groove 3 through an adhesive, the two rubber interlayers 14 are oppositely arranged to form a gap, the reinforcing plate 4 is embedded in the gap, the strength of the bumper body 1 is improved through the arrangement of the triangular bracket 2 and the cross beam 5, through the arrangement of the structures such as the reinforcing plate 4, the buffer spring 8, the connecting rod 9, the sliding block 10, the rubber interlayer 14 and the like, after being impacted, the reinforcing plate 4 slides, the rubber interlayers 14 on the two sides strengthen the sealing performance and the friction force, the buffer cushion 6 and the buffer spring 8 are matched to buffer the impact force, the impact force is dispersed to the two sides after the connecting rod 9 mechanism is driven to act, the impact force can be effectively reduced, the safety of vehicles and personnel is ensured, one side of the triangular support 2 is provided with the sliding groove 11, the bottom of the sliding block 10 is provided with the ball 12, the ball 12 is in sliding connection with the inner part of the sliding groove 11, the end part of the sliding groove 11 is bonded with the silica gel pad 13 through an adhesive, the triangular support 2 is provided with a slotted hole, the beam 5 and the buffer cushion 6 both pass through the inner part of the slotted hole, the buffer rod 6 passes, the two ends of the buffer spring 8 are fixedly connected with one sides of the reinforcing plate 4 and the cross beam 5 through buckles respectively, and the end faces of the reinforcing plate 4 and the rubber interlayer 14 are on the same horizontal plane with the end part of the bumper body 1.

In this embodiment, triangular supports 2 and crossbeam 5 are additionally arranged on bumper body 1, the structural strength of the bumper body is improved, the bumper body is not prone to deformation and damage, after being impacted, reinforcing plate 4 is pushed by impact force, rubber interlayers 14 on two sides increase the friction force between reinforcing plate 4, buffer cushion 6 is made of energy-absorbing buffer materials, the impact force is absorbed, reinforcing plate 4 drives buffer rod 7 to slide after sliding, buffer spring 8 further buffers after being compressed by the force, connecting rod 9 rotates under the pushing of buffer rod 7, slide block 10 slides in sliding groove 11, force is dispersed on two sides, the buffer rod rolls through ball 12, finally slide block 10 supports on silica gel pad 13 for further damping, and the injury of vehicles and personnel is reduced to the minimum.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-strength automobile rear bumper comprises a bumper body (1) and a buffer pad (6), and is characterized in that a triangular support (2) and a cross beam (5) are welded on the side wall of the bumper body (1) respectively, a slide hole is formed in the cross beam (5), a buffer rod (7) is connected inside the slide hole in a sliding mode, a reinforcing plate (4) is welded at one end of the buffer rod (7), a connecting rod (9) is movably hinged to the other end of the buffer rod (7), a sliding block (10) is movably hinged to the other end of the connecting rod (9), the sliding block (10) is arranged on one side of the triangular support (2) in a sliding mode, an inner groove (3) is formed in the bumper body (1), a rubber interlayer (14) is bonded on the side wall of the inner groove (3) through an adhesive, and two rubber interlayers (14) are arranged oppositely to form a gap, the reinforcing plate (4) is embedded in the gap.

2. The high-strength automobile rear bumper as claimed in claim 1, wherein a chute (11) is formed in one side of the triangular bracket (2), a ball (12) is mounted at the bottom of the slider (10), the ball (12) is slidably connected with the inside of the chute (11), and a silicone pad (13) is bonded to the end of the chute (11) through an adhesive.

3. A high strength rear bumper according to claim 1, wherein the triangular bracket (2) is provided with a slot, and the cross beam (5) and the cushion pad (6) pass through the inside of the slot.

4. The high-strength automobile rear bumper as claimed in claim 1, wherein the cushion pad (6) is provided with a through hole, the cushion rod (7) passes through the inside of the through hole, a cushion spring (8) is sleeved outside the cushion rod (7), and two ends of the cushion spring (8) are fixedly connected with the reinforcing plate (4) and one side of the cross beam (5) respectively through buckles.

5. A high-strength automobile rear bumper according to claim 1, wherein the end faces of the reinforcing plate (4) and the rubber sandwich (14) are on the same level as the end of the bumper body (1).