CN206012521U - A kind of durable automobile energy-absorbing is anti-to scratch bumper - Google Patents

Abstract

The utility model discloses a kind of durable automobile energy-absorbing is anti-to scratch bumper, including thick stick body and energy-absorbing case, the thick stick body front is provided with grid area and headlight area, skeleton is provided with thick stick body, skeleton is welded by the plate body of some trianglees, and thick stick body is fixedly connected with skeleton, and the skeleton left and right sides is rotatably connected to two anti-friction rollers, Gang Ti both sides corner is provided with opening, and the roll surface of anti-friction roller stretches out thick stick body from opening；The energy-absorbing case is provided with two, energy-absorbing case is made up of casing and push rod, push rod upper end is fixedly connected with connecting plate, and connecting plate is bolted in skeleton lower end, and this utility model energy-absorbing effect is good, energy-absorbing case can recover to reuse, reduce maintenance cost, cut on thick stick body can be avoided with other vehicles or body of wall in headstock corner when scratching to produce, when particularly the oblique insertion of vehicle is scratched with body of wall, take precautions against effect especially notable, save and scratch spray painting expense.

Description

A kind of durable automobile energy-absorbing is anti-to scratch bumper

Technical field

This utility model is related to a kind of auto parts machinery, and specifically a kind of durable automobile energy-absorbing is anti-to scratch bumper.

Background technology

Bumper is to absorb and slow down foreign impacts power, the safety device of protection vehicle body front and rear part, can touch in car car Hit or with absorbing impact energy during pedestrian impact, mitigate injury that occupant and pedestrian are caused, current bumper The energy-absorbing mode for being used mainly has two kinds, and a kind of is that car carries out energy-absorbing, Yi Zhongwei using the energy-absorption box of collapse structure for America and Europe The plastic deformation of Japanese car carries out energy-absorbing, and the energy-absorbing effect of two kinds of energy-absorbing modes is poor, is typically only capable of travelling at a slow speed pole Shock is played a role, and can make corresponding energy absorbing component deformation and cannot reuse once being clashed into, and be increased a lot Maintenance cost；In daily traveling, except collision is outer, the scratching no more than vehicle that most worries, particularly new hand, because insuring Thick stick position is in vision dead zone mostly, and new hand is easy between bumper both sides corner and body of wall or other vehicles when driving Scratch, and the spray painting after scratching hundreds of unit, at most thousands of units at least, cause much unnecessary fund input.

Utility model content

The purpose of this utility model is that providing a kind of durable automobile energy-absorbing prevents scratching bumper, to solve above-mentioned background skill The problem proposed in art.

For achieving the above object, this utility model provides following technical scheme：

A kind of durable automobile energy-absorbing is anti-to scratch bumper, and including thick stick body and energy-absorbing case, the thick stick body front is provided with grid area And headlight area, skeleton is provided with the thick stick body, skeleton is welded by some plate bodys for being spliced into triangle, and thick stick body is solid with skeleton Fixed connection, the skeleton left and right sides are rotatably connected to two anti-friction rollers, and Gang Ti both sides corner is provided with opening, the roll surface of anti-friction roller Thick stick body is stretched out from opening；The energy-absorbing case is provided with two, and energy-absorbing case is made up of casing and push rod, and casing and push rod are cuboid Structure, the push rod are slided in casing, and push rod upper end is fixedly connected with connecting plate, is provided with bolt hole on connecting plate, connection Plate is bolted with skeleton, and push rod left and right side is fixedly connected with the tooth bar of helical teeth shape, and push rod lower end is fixedly connected with Magnet I, the wall box are provided with slideway, slidably connect chamber door in slideway, and in casing, lower end is fixedly connected with Magnet II, magnetic II upper end of ferrum is identical with the magnetic pole of I lower end of Magnet, and in casing, left and right sidewall is provided with some teeth groove coordinated with tooth bar.

As further program of the utility model：The skeleton material is 2A12 aluminium alloys.

As this utility model further scheme：The outer roller identity distance of the anti-friction roller in the skeleton both sides is from more than thick stick body Width.

As this utility model further scheme：The roll surface material of the anti-friction roller is polyurethane rubber.

As this utility model further scheme：Grid area and headlight area on the position of the anti-friction roller and thick stick body Stagger position.

As this utility model further scheme：The Magnet I and Magnet II are Ru-Fe-Mn Magnet.

As this utility model further scheme：The tooth bar material is soft PVC plastic.

Compared with prior art, the beneficial effects of the utility model are：Energy-absorbing effect is good, and impact force promotes push rod toward casing Interior movement, in moving process, the tooth bar of soft PVC materials is crushed under impact force action and deforms and move in teeth groove push rod Dynamic, while as push rod deepens continuously, the repulsive force between Magnet I and Magnet II gradually increases, clash into a power part and pass through The deformation of tooth bar is absorbed, and remaining is then converted to the storage of magnetic pole repulsive force, and tooth bar plays a part of clamping at this moment, its The structure of helical teeth shape can avoid push rod from being pushed out because of magnetic pole repulsive force, it is ensured that impact force independently will not discharge quick-fried after being absorbed Send out, the energy-absorption box effect of single collapse energy-absorption mode is greatly enhanced more at present, while be able to will push away after by chamber door slide-open Bar is extracted out from side and is come into operation after carrying out position adjustment again, and different collapse energy-absorption boxes and plastic deformation thick stick are disposable knot Structure, saves substantial amounts of renewal cost；The frame strength high stability that triangular plate is spliced into is good, and the anti-friction roller of its both sides can be Stop is provided with other car bodies or body of wall when thick stick body turning is scratched, and the powerful support that skeleton is provided can be rolled by anti-friction roller Play car body guiding function and come off without having to worry about anti-friction roller, anti-friction roller rotates guiding vehicle headstock skew, makes headstock and collision Source away from, it is to avoid increase scratch damages, particularly oblique insert scratch with body of wall when effect be especially apparent, effectively can keep away Exempt from the damage that scratches of thick stick body edge and side, save and scratch spray painting expense in a large number.

Description of the drawings

Fig. 1 is the structural representation that a kind of durable automobile energy-absorbing is prevented scratching bumper.

Fig. 2 is the top view that a kind of durable automobile energy-absorbing is prevented scratching bumper.

Fig. 3 is the structural representation that a kind of durable automobile energy-absorbing is prevented scratching energy-absorbing case in bumper.

Fig. 4 is the upward view that a kind of durable automobile energy-absorbing is prevented scratching energy-absorbing case in bumper.

Specific embodiment

The technical scheme of this patent is described in more detail with reference to specific embodiment.

Fig. 1-4 are referred to, a kind of durable automobile energy-absorbing is anti-to scratch bumper, including thick stick body 1 and energy-absorbing case 2, the thick stick body 1 Front is provided with grid area and headlight area, is provided with skeleton 3 in the thick stick body 1, and skeleton 3 is welded by the plate body of some trianglees, Spliced by the plate body of the best triangle of stability, lift the stability of skeleton 3, be subjected to shock and be hardly damaged, thick stick body 1 and bone Frame 3 is fixedly connected, and the bumper is connected with car body by skeleton 3, and 3 left and right sides of skeleton is rotatably connected to two anti-friction rollers 4,1 both sides corner of thick stick body is provided with opening, and the roll surface of anti-friction roller 4 stretches out thick stick body 1 from opening, on the position of anti-friction roller 4 and thick stick body 1 Grid area and headlight zone position stagger, it is to avoid from each other produce impact, the outer roller identity distance of the anti-friction roller 4 in 3 both sides of skeleton is from big In the width of thick stick body 1, car body and body of wall or other vehicles when scratching anti-friction roller 4 with body of wall vehicle contact and stop in advance, keep away Exempt from thick stick body 1 and produce to scratch cut, in addition to barrier functionality, if driver's maloperation is still moved forward or is slided scratching rear vehicle, Anti-friction roller 4 can rotate and mitigate roll surface slip damage, while driving headstock to shift by skeleton 3, make vehicle and shock Source is away from anti-friction roller 4 is rotated, and offsets headstock more smooth, and this function is in the oblique insertion of vehicle When scratching with body of wall, effect is especially apparent, and can be prevented effectively from cut on thick stick body 1 and produce, and the roll surface material of anti-friction roller 4 is poly- Urethane rubber, the high rub resistance of intensity and can collision when certain buffering be provided；The energy-absorbing case 2 is provided with two, energy-absorbing case 2 by Casing 5 and push rod 6 are constituted, and casing 5 and push rod 6 are rectangular structure, and the push rod 6 slides in casing 5, on push rod 6 End is fixedly connected with connecting plate 7, is provided with bolt hole on connecting plate 7, and connecting plate 7 is bolted with skeleton 3, push rod 6 or so Side is fixedly connected with the tooth bar 8 of helical teeth shape, and 6 lower end of push rod is fixedly connected with Magnet I 9, and 5 side wall of the casing is provided with slideway 10, chamber door 11 is slidably connected in slideway 10, in casing 5, lower end is fixedly connected with Magnet II 12, II 12 upper end of Magnet and Magnet I The magnetic pole of 9 lower ends is identical, and in casing 5, left and right sidewall is provided with some teeth groove 13 coordinated with tooth bar 8；When thick stick body 1 is clashed into When, promote push rod 6 to move down, 8 material of tooth bar is soft PVC plastic, and in moving process, the tooth bar 8 of soft PVC materials exists It is crushed under impact force action and deformation moves in teeth groove 13, while deepen continuously with push rod 6, Magnet I 9 and Magnet II 12 Between repulsive force gradually increase, clash into power a part is absorbed by the deformation Frictional Slipping of tooth bar 8, remaining then turns The storage of magnetic pole repulsive force is changed to, Magnet I 9 and Magnet II 12 are the extremely strong Ru-Fe-Mn Magnet of magnetic, increase hitting for storage absorption Hit energy, at the same its powerful magnetic pole repulsive force it also avoid run into the little collision such as scratch when the movement of push rod 6 cause thick stick body 1 not Neat and affect attractive in appearance, in Magnet I 9 and Magnet II 12 after, tooth bar 8 plays a part of clamping at this moment again, its helical teeth shape Structure can avoid push rod 6 from being pushed out because of magnetic pole repulsive force, it is ensured that impact force will not independently break out release after being absorbed, and clash into After when needing to recover, push rod 6 will be extracted out from the opening of 11 side of chamber door after 11 slide-open of chamber door carry out can be again after position adjustment Secondary use, without the need for repair and replacement, saves expense, it should be noted that the Impact energy of the storage of energy-absorbing case 2 also extracts push rod 6 at this moment out When repelled away from being released by Magnet I 9 and Magnet II 12, should be noted during replacing that safety avoids spraining.

Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective Make a variety of changes.

Claims (7)

1. a kind of durable automobile energy-absorbing is anti-scratches bumper, including thick stick body（1）With energy-absorbing case（2）, the thick stick body（1）Front is provided with Grid area and headlight area, it is characterised in that the thick stick body（1）Skeleton is inside provided with（3）, skeleton（3）Triangle is spliced into by some Plate body be welded, thick stick body（1）With skeleton（3）It is fixedly connected, skeleton（3）The left and right sides is rotatably connected to two anti-friction rollers （4）, thick stick body（1）Both sides corner is provided with opening, anti-friction roller（4）Roll surface stretch out thick stick body from opening（1）；The energy-absorbing case（2） Two are provided with, energy-absorbing case（2）By casing（5）And push rod（6）Composition, casing（5）And push rod（6）Rectangular structure is, described Push rod（6）Slide and be located at casing（5）Interior, push rod（6）Upper end is fixedly connected with connecting plate（7）, connecting plate（7）On be provided with bolt Hole, connecting plate（7）With skeleton（3）It is bolted, push rod（6）Left and right side is fixedly connected with the tooth bar of helical teeth shape（8）, Push rod（6）Lower end is fixedly connected with Magnet I（9）, the casing（5）Side wall is provided with slideway（10）, slideway（10）Inside it is slidably connected There is chamber door（11）, casing（5）Interior lower end is fixedly connected with Magnet II（12）, Magnet II（12）Upper end and Magnet I（9）The magnetic of lower end Extremely identical, casing（5）Interior left and right sidewall is provided with some and tooth bar（8）The teeth groove of cooperation（13）.

2. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the skeleton（3） Material is 2A12 aluminium alloys.

3. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the skeleton（3） The anti-friction roller in both sides（4）Outer roller identity distance from be more than thick stick body（1）Width.

4. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the anti-friction roller （4）Roll surface material be polyurethane rubber.

5. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the anti-friction roller （4）Position and thick stick body（1）On grid area and headlight zone position stagger.

6. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the Magnet I（9） With Magnet II（12）It is Ru-Fe-Mn Magnet.

7. a kind of durable automobile energy-absorbing according to claim 1 is anti-scratches bumper, it is characterised in that the tooth bar（8） Material is soft PVC plastic.