CN217672518U

CN217672518U - Aluminum alloy automobile anti-collision beam

Info

Publication number: CN217672518U
Application number: CN202220925686.5U
Authority: CN
Inventors: 王顺勇; 单永敏; 张顺
Original assignee: Anhui Fujit Aluminum Co ltd
Current assignee: Anhui Fujit Aluminum Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-28
Anticipated expiration: 2032-04-21

Abstract

The application provides an aluminum alloy automobile anticollision roof beam includes: crashproof roof beam unit and setting are in two sets of energy-absorbing linkage units of crashproof roof beam unit one side, the energy-absorbing linkage unit includes: the connecting unit is arranged on one side of the anti-collision beam unit; and the energy absorption unit is arranged on the inner side of the connecting unit. This technical scheme receives when the anticollision roof beam unit receives the striking, carry out preliminary buffering energy-absorbing through buffering roller, the homogeneity of anticollision roof beam main part when receiving the striking is guaranteed on the one hand to two sets of linking arms that are X-shaped, make the impact of transmission can transmit to both sides and cushion, it is too big when the impact, further absorb the impact energy through elasticity roller and cushion spring extrusion, and the linking beam removes to the installation roof beam, make the stopper drive the T-shaped roof beam and remove, through extrusion elastic component and energy-absorbing box, further absorb the impact energy again, multilayer energy-absorbing mode has, the multilayer protection is provided, reduce the dynamics that the striking brought.

Description

Aluminum alloy automobile anti-collision beam

Technical Field

The utility model relates to an automobile anticollision roof beam technical field specifically is an aluminum alloy automobile anticollision roof beam.

Background

The automobile anti-collision beam is an important safety device which can absorb collision energy, reduce the damage of external impact force to an automobile body and protect passengers when a vehicle has a collision accident.

Among the prior art, aluminum alloy automobile anticollision roof beam is mostly by the girder and constitute with this body coupling's of automobile installation part, and generally adopt the energy-absorbing box to carry out the energy-absorbing, protect the automobile body main part not receive the damage, this kind of mode of adopting the energy-absorbing box to carry out the energy-absorbing buffering impact alone, energy-absorbing and buffering effect are relatively poor, unable effectual assurance automobile body and passenger safety, and in case when crashproof roof beam main part damaged, need wholly demolish to change, cost of maintenance is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aluminum alloy car anticollision roof beam to solve the problem that proposes in the above-mentioned background art.

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

in a first aspect, an aluminum alloy automotive impact beam, comprising: anticollision roof beam unit and setting are in two sets of energy-absorbing linkage unit of anticollision roof beam unit one side, the energy-absorbing linkage unit includes:

the connecting unit is arranged on one side of the anti-collision beam unit;

the energy absorption unit is arranged on the inner side of the connecting unit;

the energy absorption unit comprises two groups of beams arranged between the connecting units, two groups of X-shaped connecting arms are arranged in the beams in a rotating mode and are crossed with each other, one ends of the two groups of connecting arms are respectively rotatably arranged on the buffer rollers attached to the outer wall of one side of the anti-collision beam unit through shaft bodies, the other ends of the two groups of connecting arms are respectively rotatably provided with elastic rollers through the shaft bodies, and the other sides of the elastic rollers are abutted to the outer wall of the connecting unit.

The further improvement lies in, the mount pad has all been welded at one side both ends of anticollision roof beam unit, the linkage unit includes:

one end of the connecting beam is detachably fixed in the mounting seat;

the mounting beam is sleeved at the other end of the connecting beam;

the connecting seat is arranged at the other end of the mounting beam;

the connecting beams are fixedly connected with the mounting beams through the crumpling bolts, and the cross beams are detachably and fixedly arranged between the mounting beams in the two groups of connecting units.

The improved structure is characterized in that the crumple bolts are shear-resistant capacity-weakened bolts, a limiting block is movably arranged on one side of the inner cavity of the mounting beam, one end, far away from the connecting beam, of the limiting block is connected with one end of the T-shaped beam, a receiving plate is movably sleeved on the outer wall of the T-shaped beam and fixed in the inner cavity of the mounting beam, an elastic part is sleeved on the outer wall of the T-shaped beam and located between the receiving plate and the limiting block, an energy absorption box is connected to the other end of the T-shaped beam, and the energy absorption box is arranged in the inner cavity of the mounting beam.

The improved structure is characterized in that elastic cushions are embedded in the outer wall of the opposite side of the installation beam, notches are evenly formed in the outer wall of one side, close to the elastic rollers, of each elastic cushion, and a plurality of groups of protrusions are formed in the circumferential outer wall annular array of the elastic rollers in an integrated mode.

The anti-collision beam unit comprises a plurality of groups of anti-collision beam main bodies, and every two adjacent groups of anti-collision beam main bodies are fixedly connected through connecting pieces.

In a further refinement, the connector comprises:

the connecting plates are arranged between two adjacent groups of the anti-collision beam main bodies;

the top and the bottom of connecting plate all inlay and be equipped with the elastic rod, the other end of elastic rod is connected with and is criss-cross inlay the piece, the both sides tip of anticollision roof beam main part all set up with inlay the notch of piece adaptation, so the tip of inlaying the piece passes through the bolt fastening and sets up in the notch.

To sum up, this application discloses there is an aluminum alloy car anticollision roof beam.

According to the technical scheme, the energy-absorbing connecting unit is arranged, when the automobile is impacted, the energy is primarily buffered and absorbed through the buffering rollers, on one hand, the collision beam main body can uniformly absorb impact force through the two groups of X-shaped connecting arms, the transmitted impact force can be transmitted to two sides for buffering, meanwhile, the impact resistance strength of the collision beam unit is improved, when the impact force is too large, the collapse bolts are broken, and then the collision beam unit enables the connecting arms to move, so that the two groups of elastic rollers extrude the elastic pads, the impact energy is further absorbed through elastic extrusion of the elastic rollers and the elastic pads, the connecting beams move towards the mounting beam, the limiting blocks drive the T-shaped beam to move, the impact force is further absorbed through extrusion of the elastic pieces and the energy-absorbing boxes, a multilayer energy-absorbing mode is provided, multilayer protection is provided, the force brought by impact is reduced, the danger brought to personnel in the automobile is reduced, and the automobile is better protected;

furthermore, on the basis of the above-mentioned structural design, this application is still through being provided with the anticollision roof beam unit, when a set of anticollision roof beam main part in the anticollision roof beam unit damages, through with anticollision roof beam unit and linkage element separation back, make again on the inlay the establishing piece with the separation of the notch in the anticollision roof beam main part, only need with that the anticollision roof beam main part of damage maintain change can, the efficiency of work has been improved, the cost of maintenance has been reduced, this connecting piece includes the connecting plate simultaneously, elastic rod and inlay the establishing piece, play the positioning action when the installation of multiunit anticollision roof beam main part, efficiency when improving the installation, and also spacing it when the anticollision roof beam unit uses, stagger between the adjacent anticollision roof beam main part when avoiding being struck.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a diagram of an aluminum alloy automobile bumper Liang Liti according to the present application;

FIG. 2 is a perspective view of an energy-absorbing attachment unit in an aluminum alloy automotive impact beam according to the present application;

FIG. 3 is a cross-sectional view of an energy-absorbing unit in an aluminum alloy automotive impact beam according to the present application.

In the figure: 1. an impact beam unit; 11. an impact beam main body; 12. a connecting member; 121. a connecting plate; 122. an elastic rod; 123. embedding a block; 2. an energy-absorbing connecting unit; 21. a connection unit; 211. a connecting beam; 212. mounting a beam; 213. a collapsing bolt; 214. a connecting seat; 215. a limiting block; 216. a T-beam; 217. an elastic member; 218. an energy absorption box; 22. an energy absorption unit; 221. a cross beam; 222. a connecting arm; 223. an elastic roller; 224. an elastic pad.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1-2, an aluminum alloy automobile anti-collision beam includes an anti-collision beam unit 1 and an energy-absorbing connection unit 2 disposed at an end of one side of the anti-collision beam unit 1;

wherein the impact beam unit 1 is arranged in the vehicle body width direction of the automobile. At least two groups of energy-absorbing connecting units 2 are respectively arranged at two ends of one side of the anti-collision beam unit 1;

further, as can be seen from the attached drawing 2, the anti-collision beam unit 1 comprises a plurality of groups of anti-collision beam main bodies 11, and the adjacent two groups of anti-collision beam main bodies 11 are fixedly connected through the connecting piece 12, so that the whole anti-collision beam unit 1 is not required to be replaced when one group of anti-collision beam main bodies 11 in the anti-collision beam unit 1 are damaged, and the damaged anti-collision beam main bodies 11 can be independently disassembled, thereby reducing the use cost. In the embodiment, three groups of anti-collision beam main bodies 11 are fixed as the anti-collision beam unit 1, wherein one side of the anti-collision beam main body 11 at the end part is fixedly provided with a mounting seat in a welding mode and is used for being connected with an energy-absorbing connecting unit 2 which will be described in detail later;

wherein, it can be selected that, connecting piece 12 is including arranging connecting plate 121 between adjacent two sets of anticollision roof beam main part 11 in, all inlay at the top of connecting plate 121 and bottom and be equipped with elastic rod 122, this elastic rod 122 can be the extensive elastic telescopic rod of using in this field, the other end of elastic rod 122 is connected with and inlays the piece 123, it is used for inlaying in the notch of seting up in anticollision roof beam main part 11 both sides tip to inlay the piece 123, it is the cross to inlay the piece 123, and it adopts bolt class fixed part to fix in the notch to inlay the piece 123, make multiunit anticollision roof beam main part 11 fixed connection form anticollision roof beam unit 1.

Example 2

As shown in fig. 2, the energy-absorbing connecting unit 2 includes a connecting unit 21 connected to one side of the impact beam unit 1 and an energy-absorbing unit 22 disposed inside the connecting unit 21;

the connecting unit 21 includes a connecting beam 211 with one end fixed in the mounting seat by a bolt-like fixing component, a mounting beam 212 sleeved on the other end of the connecting beam 211, and a connecting seat 214 disposed at one end of the mounting beam 212 far from the connecting beam 211, in actual situations, the connecting seat 214 can be connected with the body frame of the automobile by a bolt-like fixing component;

it should be noted that the connecting beam 211 and the mounting beam 212 are connected by a plurality of sets of the crush bolts 213, the crush bolts 213 are preferably shear-resistance-reducing bolts widely used in the art, the crush bolts 213 can break under the impact force under the specific shear force valve point, so that the connecting beam 211 enters the mounting beam 212, and the crush bolts 213 are disclosed in the publication number "CN214396663U", and will not be described in detail herein.

Example 3

As shown in fig. 3, a limiting block 215 attached to one end of the connecting beam 211 far away from the impact beam unit 1 is movably arranged in the inner cavity of the mounting beam 212, the limiting block 215 can move in the inner cavity of the mounting beam 212, one end of the T-shaped beam 216 is connected to the other side of the limiting block 215, a bearing plate is movably sleeved on the outer wall of the T-shaped beam 216, the bearing plate is fixed in the inner cavity of the mounting beam 212 and is arranged outside the limiting block 215, an elastic element 217 is sleeved on the outer wall of the T-shaped beam 216 and is arranged between the limiting block 215 and the bearing plate, and the other end of the T-shaped beam 216 is connected with an energy absorption box 218;

the elastic member 217 preferably adopts a spring structure, one end of the elastic member is connected with the limiting block 215, and the other end of the elastic member is connected with the bearing plate. The crash box 218 belongs to the prior art, in the embodiment, the crash box 218 is preferably made of a carbon fiber composite material, and the crash box 218 is filled with foam, which is not limited to the crash box 218;

after collision, the connecting beam 211 moves towards the mounting beam 212 through the fracture of the collapse bolts 213, and energy absorption and buffering are carried out through the elastic piece 217 and the energy absorption box 218 which are extruded by the T-shaped beam 216 driven by the limiting blocks 215.

Example 4

As shown in fig. 2, the energy-absorbing unit 22 includes a cross beam 221 disposed at one end between two sets of mounting beams 212, a through opening is formed in the cross beam 221 for assembling the connecting arm 222, an end of the cross beam 221 is fixed to a sidewall of the mounting beam 212 by a bolt-like fixing member, two sets of connecting arms 222 are rotatably disposed in a middle portion of the cross beam 221 through a shaft body, and as shown in fig. 2, the two sets of connecting arms 222 are crossed to form an X shape;

further, one end of each of the two sets of link arms 222 is rotatably provided with a buffer roller attached to the middle of the outer wall of one side of the anti-collision beam unit 1 through a shaft body, the other end of each of the two sets of link arms 222 is rotatably provided with an elastic roller 223 through a shaft body, and the left and right elastic rollers 223 are respectively abutted against the side walls of the left and right mounting beams 212;

the elastic rollers 223 and the buffer rollers are preferably made of elastic wear-resistant rubber materials;

furthermore, elastic pads 224 made of wear-resistant rubber materials are embedded in the inner walls of the two groups of mounting beams 212 close to the elastic rollers 223, notches are uniformly formed in one side of each elastic pad 224, and a plurality of groups of protrusions matched with the notches are arranged on the circumferential outer wall of each elastic roller 223 in an annular array mode;

when the vehicle is impacted, the two groups of connecting arms 222 change, so that the elastic rollers 223 at the two ends of the connecting arms move to the elastic pads 224 respectively, and energy is absorbed by mutual extrusion of the elastic rollers 223 and the elastic pads 224.

In conclusion, the working principle of the aluminum alloy automobile anti-collision beam is as follows: when the collision beam unit 1 is impacted, the buffer rollers are used for carrying out primary buffering, when the impact force is too large, the collapse bolts 213 are broken, the anti-collision beam unit 1 enables the connecting arms 222 to move, the two groups of elastic rollers 223 extrude the elastic pads 224, the elastic rollers 223 and the elastic pads 224 elastically extrude the elastic rollers to further absorb the impact energy, the connecting beam 211 moves towards the mounting beam 212, the limiting blocks 215 drive the T-shaped beams 216 to move, the elastic pieces 217 and the energy absorption boxes 218 are extruded to further absorb the impact force, the force caused by the impact is reduced, the danger caused by the impact to people in an automobile is reduced, meanwhile, the two groups of X-shaped connecting arms 222 enable the anti-collision beam main body 11 to uniformly absorb the impact force, the impact resistance of the anti-collision beam unit 1 is also improved, when one group of anti-collision beam main bodies 11 in the anti-collision beam unit 1 is damaged, the bolt fixing parts on the embedding blocks 123 are screwed off after the anti-collision beam unit 1 is separated from the connecting unit 21, the embedding blocks 123 are pulled to move outwards to separate from notches on the anti-collision beam main body 11, and the damaged anti-collision beam main body 11 can be removed and replaced.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An aluminum alloy automotive impact beam comprising: anticollision roof beam unit (1) and set up and be in two sets of energy-absorbing linkage unit (2) of anticollision roof beam unit (1) one side, its characterized in that: the energy-absorbing connecting unit (2) comprises:

a connecting unit (21) provided on one side of the impact beam unit (1);

and an energy-absorbing unit (22) arranged inside the connecting unit (21);

the energy absorption unit (22) comprises a beam (221) arranged between the two groups of connection units (21), two groups of crossed connecting arms (222) are arranged in the beam (221) in a rotating mode, one ends of the connecting arms (222) are arranged in a rotating mode and are in an X-shaped mode, the buffer rollers attached to the outer wall of one side of the anti-collision beam unit (1) are arranged in a rotating mode, the other ends of the connecting arms (222) are arranged in a rotating mode and are provided with elastic rollers (223) through shaft bodies, and the other sides of the elastic rollers (223) are connected to the outer wall of the connection unit (21) in an abutting mode.

2. The aluminum alloy automobile anti-collision beam according to claim 1, characterized in that: the mount pad has all been welded at one side both ends of anticollision roof beam unit (1), linkage unit (21) includes:

a connecting beam (211) with one end detachably fixed in the mounting seat;

the mounting beam (212) is sleeved at the other end of the connecting beam (211);

a connecting base (214) provided at the other end of the mounting beam (212);

the connecting beam (211) is fixedly connected with the mounting beams (212) through the crumple bolts (213), and the cross beam (221) is detachably and fixedly arranged between the mounting beams (212) in the two groups of connecting units (21).

3. The aluminum alloy automobile anti-collision beam according to claim 2, characterized in that: the anti-shearing capacity weakening bolt is characterized in that the crumpling bolt (213) is an anti-shearing capacity weakening bolt, a limiting block (215) is movably arranged on one side of the inner cavity of the mounting beam (212), one end, far away from the connecting beam (211), of the limiting block (215) is connected with one end of a T-shaped beam (216), a bearing plate is movably sleeved on the outer wall of the T-shaped beam (216) and fixed to the inner cavity of the mounting beam (212), an elastic part (217) is sleeved on the outer wall of the T-shaped beam (216) and arranged between the bearing plate and the limiting block (215), an energy absorption box (218) is connected to the other end of the T-shaped beam (216), and the energy absorption box (218) is arranged in the inner cavity of the mounting beam (212).

4. The aluminum alloy automobile anti-collision beam as claimed in claim 3, wherein: two sets of installation roof beam (212) relative one side outer wall all inlays and is equipped with cushion (224), the notch has evenly been seted up to one side outer wall that cushion (224) are close to elasticity roller (223), the circumference outer wall annular array integrated into one piece of elasticity roller (223) has the multiunit arch.

5. The aluminum alloy automobile anti-collision beam according to claim 1, characterized in that: the anti-collision beam unit (1) comprises a plurality of groups of anti-collision beam main bodies (11), and the adjacent two groups of anti-collision beam main bodies (11) are fixedly connected through connecting pieces (12).

6. The aluminum alloy automobile anti-collision beam according to claim 5, characterized in that: the connector (12) comprises:

the connecting plates (121) are arranged between two adjacent groups of the anti-collision beam main bodies (11);

the top and the bottom of connecting plate (121) all inlay and be equipped with elastic rod (122), the other end of elastic rod (122) is connected with and is criss-cross inlay and establishes piece (123), the notch with inlay and establish piece (123) adaptation is all seted up to the both sides tip of anticollision roof beam main part (11), so the tip that inlays and establishes piece (123) passes through the bolt fastening and sets up in the notch.