CN111038426A

CN111038426A - Anti-collision buffer

Info

Publication number: CN111038426A
Application number: CN201911329607.3A
Authority: CN
Inventors: 孙勇
Original assignee: Wuxi Bidexi Bump Damping Technology Co ltd
Current assignee: Wuxi Bidexi Bump Damping Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-04-21

Abstract

The invention discloses an anti-collision buffer which comprises an anti-collision beam, a buffer mechanism, an anti-collision mounting plate and a hydraulic cylinder, wherein the buffer mechanism is formed by cross assembly of 6 buffer columns through rotating shafts, the tops of the 6 buffer columns are rotatably mounted on a connecting piece and connected with the anti-collision beam through the connecting piece, the joints of the side surfaces of the 6 buffer columns are connected with a hydraulic rod, the hydraulic rod extends into an inner cavity of the hydraulic cylinder and is fixedly connected with a hydraulic piston, the bottoms of the 6 buffer columns are sleeved on a rod body of the sliding rod through a sliding connecting piece in a sliding mode, the two ends of the sliding rod are fixedly mounted on a vertical plate protruding towards one side of the anti-collision mounting plate, the vertical plate is provided with the hydraulic cylinder, the hydraulic cylinder is communicated with an oil storage tank through a hydraulic oil pipeline, the middle of the oil storage tank is provided with.

Description

Anti-collision buffer

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an anti-collision buffer.

Background

Along with the increasing improvement of the living standard of people, the possession of automobiles is more and more, the popularization of automobiles creates a beautiful life for the life of human society, the life style of people is changed to a certain extent, the life quality is improved, the social range is enlarged, the tour is convenient, the development of economy is increased, the working efficiency is improved, the birth of automobiles brings various convenience for the life of human beings, meanwhile, the traffic accidents are increased continuously, the traffic accidents also bring a lot of shadows for people, and drivers and passengers desire to protect the automobiles more when going out.

In the prior art, an automobile is provided with an anti-collision buffer device, but the existing anti-collision buffer device has poor anti-collision effect and low safety factor, and cannot absorb external force well when the automobile is collided and is impacted by the external force.

Disclosure of Invention

The present invention is directed to a crash cushion to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anticollision buffer, including anticollision roof beam, buffer gear, anticollision mounting panel and pneumatic cylinder, buffer gear is formed through the alternately equipment of axis of rotation by 6 buffering posts, and the top of 6 buffering posts is rotated and is installed on the connecting piece, and link to each other with the anticollision roof beam through the connecting piece, the hydraulic stem is connected to the handing-over department of 6 buffering post sides, rigid coupling hydraulic piston in the inner chamber of hydraulic cylinder is deepened to the hydraulic stem, the bottom of 6 buffering posts is established on the pole body of slide bar through the sliding connection slip cap, the both ends fixed mounting of slide bar is on the bellied riser of anticollision mounting panel towards anticollision roof beam one side, be provided with the pneumatic cylinder on this riser, the pneumatic cylinder passes through hydraulic pressure oil pipe way intercommunication batch oil tank, the middle part of batch oil tank is provided with the elastic component, the both ends of elastic.

As a preferred technical scheme of the invention, the anti-collision beam is of an arc-shaped structure and is formed by combining an inner aluminum profile body and an outer carbon fiber reinforcement.

As a preferred technical scheme of the invention, two ends of the aluminum profile body are bent outwards to form a convex part, a limiting rib is arranged on the inner side of the convex part in parallel, and a limiting slot is formed between the convex part and the limiting rib.

As a preferred technical scheme of the invention, two ends of the inner side surface of the carbon fiber reinforcement are provided with inverted 7-shaped limiting plug-ins, a plurality of reinforcing ribs are uniformly distributed between the two 7-shaped limiting plug-ins, the inverted 7-shaped limiting plug-ins are embedded into the limiting slots, and the reinforcing ribs are abutted against the hollow inner cavity of the aluminum profile body to weld the carbon fiber reinforcement and the aluminum profile body into a whole.

As a preferred technical scheme, sliding grooves are embedded in two sides of the bottom of the anti-collision beam, sliding blocks are connected in the sliding grooves in a sliding and clamping mode, and the sliding blocks are fixedly connected with connecting pieces and connected with a buffering mechanism through the connecting pieces.

As a preferable technical scheme, a pressure-bearing cushion pad is paved on one side surface of the hydraulic cylinder facing the anti-collision beam.

As a preferred technical scheme of the invention, the hydraulic oil pipeline and the oil storage tank are both arranged in the inner cavity of the anti-collision mounting plate.

As a preferable technical scheme of the invention, the aluminum profile body is made of an aluminum alloy material, and the carbon fiber reinforcement is made of a T700-grade carbon fiber material.

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

1. compared with the prior art, the anti-collision buffer provided by the invention has the advantages that through the arrangement of the buffer mechanism, the hydraulic cylinder, the hydraulic rod, the hydraulic piston, the hydraulic oil pipeline, the oil storage tank and the elastic piece, when an automobile is collided and is impacted by external force, the buffer mechanism is extruded, the hydraulic rod pushes the hydraulic piston towards the inner side of the hydraulic cylinder, the hydraulic piston extrudes oil of the hydraulic cylinder into the oil storage tank through the hydraulic oil pipeline, the oil enters the oil storage tank and then extrudes the elastic piece in the oil storage tank, so that the elastic piece is deformed, the external force generated by the collision of the automobile is absorbed, the damage of external rigid impact force to drivers or pedestrians can be avoided, and the loss caused by collision accidents is reduced.

2. Compared with the prior art, the anti-collision buffer provided by the invention has the advantages that the anti-collision beam is formed by combining the aluminum profile body and the carbon fiber reinforcement, so that the anti-collision beam not only meets the requirements of the automobile anti-collision beam on collision energy absorption and bending rigidity, but also meets the requirement of light weight; when the collision is serious or the column collision occurs, the carbon fiber reinforcement reinforced anti-collision beam can reduce the risk of fracture of a pure aluminum alloy material and reduce the intrusion of the collision, thereby improving the safety.

Drawings

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

fig. 2 is a schematic view of the structure of the impact beam of the present invention.

In the figure: 1. an anti-collision beam; 2. an anti-collision mounting plate; 3. a hydraulic cylinder; 4. a buffer column; 5. a rotating shaft; 6. a connecting member; 7. a hydraulic lever; 8. a hydraulic piston; 9. a sliding connector; 10. a slide bar; 11. a hydraulic oil line; 12. an oil storage tank; 13. an elastic member; 14. a squeeze piston; 15. an aluminum profile body; 16. a carbon fiber reinforcement; 17. a convex portion; 18. limiting ribs; 19. limiting slots; 20. a 7-shaped limiting plug-in; 21. reinforcing ribs; 22. a sliding groove; 23. a slider; 24. pressure-bearing cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: an anti-collision buffer comprises an anti-collision beam 1, a buffer mechanism, an anti-collision mounting plate 2 and a hydraulic cylinder 3, wherein the buffer mechanism is formed by cross assembly of 6 buffer columns 4 through a rotating shaft 5, the tops of the 6 buffer columns 4 are rotatably mounted on a connecting piece 6 and are connected with the anti-collision beam 1 through the connecting piece 6, the joints of the side surfaces of the 6 buffer columns 4 are connected with a hydraulic rod 7, the hydraulic rod 7 extends into an inner cavity of the hydraulic cylinder 3 and is fixedly connected with a hydraulic piston 8, the bottoms of the 6 buffer columns 4 are slidably sleeved on a rod body of a sliding rod 10 through a sliding connecting piece 9, two ends of the sliding rod 10 are fixedly mounted on a raised vertical plate facing one side of the anti-collision mounting plate 2 to the anti-collision beam 1, the hydraulic cylinder 3 is arranged on the vertical plate, the hydraulic cylinder 3 is communicated with an oil storage tank 12 through a hydraulic oil pipeline 11, an elastic piece, the squeeze piston 14 is fitted to the reservoir 12.

Further, the anti-collision beam 1 is of an arc-shaped structure, and the anti-collision beam 1 is formed by combining an inner aluminum profile body 15 and an outer carbon fiber reinforcement 16.

Further, the two ends of the aluminum profile body 15 are bent outwards to form a convex portion 17, a limiting rib 18 is arranged on the inner side of the convex portion 17 in parallel, and a limiting slot 19 is formed between the convex portion 17 and the limiting rib 18.

Further, the two ends of the inner side surface of the carbon fiber reinforcement 16 are provided with inverted 7-shaped limiting plug-in units 20, a plurality of reinforcing ribs 21 are uniformly distributed between the two 7-shaped limiting plug-in units 20, the inverted 7-shaped limiting plug-in units 20 are embedded into the limiting slots 19, and the reinforcing ribs 21 abut against the hollow inner cavity of the aluminum profile body 15 to weld the carbon fiber reinforcement 16 and the aluminum profile body 15 into a whole.

Further, the bottom both sides of anticollision roof beam 1 all inlay and are equipped with sliding tray 22, and sliding tray 22 slides the joint and has sliding block 23, and sliding block 23 rigid coupling connecting piece 6 to link to each other with buffer gear through connecting piece 6.

Furthermore, a pressure-bearing cushion pad 24 is laid on one side surface of the hydraulic cylinder 3 facing the anti-collision beam 1, so that the anti-collision beam has a protection effect.

Further, the hydraulic oil pipeline 11 and the oil storage tank 12 are both arranged in the inner cavity of the anti-collision mounting plate 2.

Further, the aluminum profile body 15 is made of an aluminum alloy material, and the carbon fiber reinforcement is made of a 16T 700-grade carbon fiber material.

The working principle is as follows:

when an automobile is collided and is impacted by external force, the anti-collision beam 1 extrudes the buffer mechanism inwards, the buffer mechanism drives the hydraulic rod 7 to move towards the inner side of the hydraulic cylinder 3, so that the hydraulic piston 8 is pushed, the hydraulic piston 8 extrudes oil of the hydraulic cylinder 3 into the oil storage tank 12 through the hydraulic oil pipeline 11, and when the oil enters the oil storage tank 12, the elastic part 13 in the oil storage tank 12 is synchronously extruded, so that the elastic part 13 is deformed, the external force generated by the collision of the automobile is absorbed, the damage of external rigid impact force to drivers and passengers or pedestrians can be avoided, and the loss caused by collision accidents is reduced;

meanwhile, the carbon fiber reinforcement 16 on the anti-collision beam 1 not only meets the requirements of energy absorption and bending rigidity of the anti-collision beam 1 of the automobile, but also meets the requirement of light weight, and when the collision is serious or a column is collided, the anti-collision beam 1 reinforced by the carbon fiber reinforcement 16 can reduce the risk of fracture of a pure aluminum alloy material, reduce the intrusion of the collision and further improve the safety.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The anti-collision buffer is characterized by comprising an anti-collision beam (1), a buffer mechanism, an anti-collision mounting plate (2) and a hydraulic cylinder (3), wherein the buffer mechanism is formed by alternately assembling 6 buffer columns (4) through a rotating shaft (5), the tops of the 6 buffer columns (4) are rotatably mounted on a connecting piece (6) and are connected with the anti-collision beam (1) through the connecting piece (6), the joints of the side surfaces of the 6 buffer columns (4) are connected with a hydraulic rod (7), the hydraulic rod (7) is deeply fixedly connected into an inner cavity of the hydraulic cylinder (3) through a hydraulic piston (8), the bottoms of the 6 buffer columns (4) are slidably sleeved on a rod body of a sliding rod (10) through a sliding connecting piece (9), the two ends of the sliding rod (10) are fixedly mounted on a vertical plate protruding on one side of the anti-collision mounting plate (2) facing the anti-collision beam (1), the hydraulic cylinder (3) is arranged on, the hydraulic cylinder (3) is communicated with the oil storage tank (12) through a hydraulic oil pipeline (11), the middle part of the oil storage tank (12) is provided with an elastic part (13), two ends of the elastic part (13) are provided with extrusion pistons (14), and the extrusion pistons (14) are sleeved with the oil storage tank (12).

2. An impact bumper according to claim 1, characterised in that the impact beam (1) is of an arc-shaped construction and that the impact beam (1) is composed of an inner aluminium profile body (15) and an outer carbon fibre reinforcement (16).

3. The crash cushion according to claim 2, wherein both ends of the aluminum profile body (15) are bent outwards to form a convex portion (17), a limiting rib (18) is arranged in parallel on the inner side of the convex portion (17), and a limiting slot (19) is formed between the convex portion (17) and the limiting rib (18).

4. The crash cushion according to claim 2, wherein two ends of the inner side surface of the carbon fiber reinforcement (16) are provided with inverted 7-shaped limiting insertion pieces (20), a plurality of reinforcing ribs (21) are uniformly distributed between the two 7-shaped limiting insertion pieces (20), the inverted 7-shaped limiting insertion pieces (20) are embedded into the limiting insertion slots (19), and the reinforcing ribs (21) are abutted in the hollow inner cavity of the aluminum profile body (15) to weld the carbon fiber reinforcement (16) and the aluminum profile body (15) into a whole.

5. The anti-collision buffer according to claim 1, wherein sliding grooves (22) are embedded in both sides of the bottom of the anti-collision beam (1), sliding blocks (23) are slidably clamped in the sliding grooves (22), and the sliding blocks (23) are fixedly connected with the connecting piece (6) and connected with the buffer mechanism through the connecting piece (6).

6. A crash cushion according to claim 1, characterized in that a pressure-bearing cushion (24) is applied to the side of the hydraulic cylinder (3) facing the impact beam (1).

7. A crash cushion according to claim 1, wherein the hydraulic oil line (11) and the oil reservoir (12) are both arranged in the interior of the crash mounting plate (2).

8. A crash cushion according to claim 2 wherein said aluminum profile body (15) is made of an aluminum alloy material and said carbon fiber reinforcement (16) is made of a T700 grade carbon fiber material.