CN107139875A - Low-speed electronic vehicle anticollision security protection system with automatic repair function - Google Patents
Low-speed electronic vehicle anticollision security protection system with automatic repair function Download PDFInfo
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- CN107139875A CN107139875A CN201710457298.2A CN201710457298A CN107139875A CN 107139875 A CN107139875 A CN 107139875A CN 201710457298 A CN201710457298 A CN 201710457298A CN 107139875 A CN107139875 A CN 107139875A
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- Prior art keywords
- energy
- absorbing
- longitudinal direction
- bumper
- support bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses the low-speed electronic vehicle anticollision security protection system with automatic repair function, the low-speed electronic vehicle anticollision security protection system with automatic repair function includes electric automobile body, bumper, the bumper attachment means for being arranged on bumper on the front end of electric automobile body, energy-absorbing prosthetic device, and the energy-absorbing prosthetic device includes some small collision energy-absorbing prosthetic devices, some small collision energy-absorbing devices, some big collision energy-absorbing prosthetic devices.The present invention is simple and reasonable for structure, the comfort of driver is improved, with five heavy buffering energy-absorbing mechanisms, and then greatly improve the buffering energy-absorbing performance of device, the setting of this crash energy absorption equipment simultaneously also has resettability energy, practical, is suitable for large-scale promotion and uses.
Description
Technical field
The present invention relates to automobile safety protective equipment, specifically the low-speed electronic vehicle anticollision with automatic repair function
Security protection system.
Background technology
Low-speed electronic automobile is the branch of low-speed cars, refers to the low-speed cars of pure motorized motions.Various countries each department are to low
The definition of speed automobile is different, so the definition of low-speed electronic automobile also has difference.According to the regulation of European Union, belong to L6E low speed
Electric car unladen vehicle weight be no more than 350 kilograms (not including electrokinetic cell weight), highest design speed per hour no more than 45 kilometers/it is small
When, motor Continuous Maximum Rating is no more than 4 kilowatts；The low-speed electronic car unladen vehicle weight for belonging to L7E is no more than 400 kilograms
(not including electrokinetic cell weight), motor Continuous Maximum Rating is no more than 15 kilowatts.Bumper is that automotive safety is matched somebody with somebody
Middle indispensable assembling is put, existing low-speed electronic type bumper of car is directly installed on electric automobile frame, buffers preset clearance
It is shorter, can only tackle small shock, and hit larger is damaged to automobile engine, impact energy it is more be transferred to vehicle body,
Occupant is damaged.In addition, low-speed electronic automobile speed is relatively low, therefore typically occurs the probability ratio of small shock
Larger, electric automobile bumper of the prior art does not possess automatic repair function, and small shock maintenance is cumbersome.Electronic vapour
Car bumper rear is unavoidably placing battery is wanted, if protection is bad, it is impossible to disperse to hit the energy produced, electricity in a balanced way
Pond will explode or on fire, cause security incident.
The content of the invention
It is an object of the invention to provide the low-speed electronic vehicle anticollision security protection system with automatic repair function,
To solve the problems mentioned in the above background technology.
The technical solution adopted by the present invention is as follows.
Low-speed electronic vehicle anticollision security protection system with automatic repair function, it is described that there is automatic repair function
Low-speed electronic vehicle anticollision security protection system include electric automobile body, bumper, for by bumper be arranged on electricity
Bumper attachment means, energy-absorbing prosthetic device on the front end of electrical automobile body.
The bumper includes shell, the elasticity after bumper metal front, elastomer layer, bumper metal from front to back
Body layer is made up of thermo-setting elastomer or thermoplastic elastic, and some conical through-holes, conical through-hole are longitudinally provided with elastomer layer
Close bumper metal front end diameter be more than its shell end after bumper metal diameter.
The bumper attachment means include be separately mounted to the electric automobile body front end left and right sides perpendicular to ground
Two stringer boards；The front end of each stringer board is provided with vertical some vertical posts to arrangement, and the diameter for indulging post is less than the width of stringer board；Respectively
The outer radial periphery surface of vertical post is set with the 4th stage clip, and the front end of the 4th stage clip connects with the trailing flank of shell after bumper metal
Touch, the rear end of the 4th stage clip is contacted with the leading flank of stringer board, the front end of each vertical post through bumper and vertical post is provided with screw thread and pacified
Equipped with bolt, bumper is fixed on vertical post by bolt and stage clip；If it is vertical to arrangement that one is connected between two stringer boards
Dry crossbeam；Battery is installed on rear side of crossbeam between two vertical posts on electric automobile body.
The energy-absorbing prosthetic device includes some small collision energy-absorbing prosthetic devices, some small collision energy-absorbing devices, Ruo Gan great
Collision energy-absorbing prosthetic device.
The small collision energy-absorbing prosthetic device includes first longitudinal direction support bar, the first energy-absorbing sleeve, the first stage clip, and first inhales
The rear end of energy sleeve is connected with crossbeam, and the front end of first longitudinal direction support bar is contacted with shell phase after bumper metal, first longitudinal direction branch
The vertical section of strut is rounded and its diameter is slightly less than the internal diameter of the first energy-absorbing sleeve, the rear end insertion of first longitudinal direction support bar
In first energy-absorbing sleeve, the first stage clip is installed between the rear end of first longitudinal direction support bar and crossbeam；First energy-absorbing sleeve it is interior
It is transversely provided with side close to end position thereafter in pin hole and pin hole and the first position-limitting pin is installed.
The small collision energy-absorbing device includes the 3rd top plate, piston pole socket, piston rod, piston, working cylinder, oil storage cylinder, oil
Cylinder bearing, the piston rod is longitudinally disposed, and the front end of piston rod is connected with the 3rd top plate, the 3rd top plate and shell after bumper metal
It is connected；Piston rod rear end is equipped with piston, and puts in working cylinder, and working cylinder is arranged in oil storage cylinder, and working cylinder front portion is provided with oil
Rebound valve and flowing valve are installed on envelope, piston, working cylinder rear end is provided with compression valve and recuperation valve；Oil storage cylinder is arranged on oil cylinder
On bearing, cylinder support is connected on crossbeam.
The big collision energy-absorbing prosthetic device includes second longitudinal direction support bar, the second energy-absorbing sleeve, the second stage clip, two second
Vertical supporting bar mobile limiter.
The rear end of second energy-absorbing sleeve is connected with crossbeam, and the front end of second longitudinal direction support bar is provided with the second top plate, the second top
Plate is located at after bumper metal has certain distance after the rear side and the second top plate and bumper metal of shell between the trailing flank of shell；The
The vertical section of two vertical supporting bars is rounded and its diameter is slightly less than the internal diameter of the second energy-absorbing sleeve, second longitudinal direction support bar
Outer radial periphery surface is provided with plane where ring-type stopper slot and ring-type stopper slot perpendicular to the axis of second longitudinal direction support bar.
The rear end of second longitudinal direction support bar is inserted in the second energy-absorbing sleeve, between the rear end of second longitudinal direction support bar and crossbeam
Second stage clip is installed.
Two second longitudinal direction support bar mobile limiters are separately mounted to the left and right of the remote crossbeam end of the second energy-absorbing sleeve
Both sides；Second longitudinal direction support bar mobile limiter includes transverse sleeves, the 3rd stage clip, electromagnet, spacing iron sliding bolt, laterally
The axis of sleeve is perpendicular to the axis of second longitudinal direction support bar, and the bung of transverse sleeves is horizontal towards second longitudinal direction support bar
Limiting iron latch is fitted with into sleeve, the bucket bottom of transverse sleeves is provided with electromagnet, and electromagnet passes through the 3rd stage clip and electromagnetism
Iron phase connects, when electromagnet no power, by second longitudinal direction in the ring-type stopper slot of spacing iron sliding bolt insertion second longitudinal direction support bar
Support bar is fixed on the second energy-absorbing sleeve, when the solenoid is energized, and spacing iron sliding bolt extracts second longitudinal direction from ring-type stopper slot
Support bar；Electromagnet is connected by circuit with battery.
It is transversely provided with the medial surface of second energy-absorbing sleeve in pin hole and pin hole close to end position thereafter and is provided with the
Two position-limitting pins.
Elastomer layer installs taper hole provided with longitudinally disposed some pressure sensors, and pressure sensor is installed before taper hole
The diameter at end is more than the diameter of its rear end, and pressure sensor is installed in taper hole and is provided with pressure sensor, big collision energy-absorbing reparation
The electromagnet of device is connected by connection line with pressure sensor；Occurs big collision when pressure sensor detects electric automobile
When, big collision energy-absorbing prosthetic device extends and the second top plate of its front end is contacted with shell after bumper metal.
Further, the big collision refer to electric automobile with more than 50km/ hour relative speed per hours and rigid barrier or
Other vehicle collisions.
Further, the oil storage cylinder front portion is provided with dust cover, and the piston rod front end is fixedly connected with dust cover；It is described
Piston rod is connected with piston by clamp nut.
Further, each first energy-absorbing sleeve is fixed in a longitudinal sleeve, the rear end of longitudinal sleeve and the leading flank of crossbeam
It is connected, the left and right sides of the front end of the first energy-absorbing sleeve is respectively provided with cross through hole and the center of cross through hole and the first energy-absorbing sleeve
The distance between bottom surface be less than the distance between the rear end of first longitudinal direction support bar and the bottom surface of the first energy-absorbing sleeve, it is laterally logical
Wedge-shaped bolt is provided with hole, wedge-shaped bolt is connected by the 5th stage clip laterally set with the medial surface of longitudinal sleeve；Wedge shape is inserted
The inclined-plane of pin is located on its leading flank.
Further, the left and right ends of bumper are provided with after chamfering, the second top plate and bumper metal between the trailing flank of shell
Distance be 2-5mm；The front end of first longitudinal direction support bar is provided with the first top plate, and the first top plate connects with shell phase after bumper metal
Touch.
Further, thermo-setting elastomer is ethylene propylene diene rubber, nitrile rubber, cis-butadiene cement, neoprene, silicon substrate glue, solid
One kind in liquid synthetic rubber, natural rubber.
Further, thermoplastic elastomer (TPE) is change Ethylene/Butylene glue, polyester, polyamide, styrene, vinyl acetate, polyene
One kind in hydrocarbon, polyurethane, thermoplastic EPDM, thermoplastic nitrile rubber.
So-called elastomer, refers to that this kind of high molecular synthetic material possesses after drawn, pressurization, with releasing for external force
Put, the elastomeric material of original state is returned at once.
Thermoplasticity：With being heated to the characteristic that technological temperature can just be moulded, and it is that have can be more with heating for multiple times
The secondary characteristic moulded, referred to as thermoplasticity.Herein refer to the different purposes of different performance produced with polymer through secondary operation
Multicomponent high molecular synthetic material, and can be processed with plastic processing, it is renewable, can repeatedly reclaim again sharp
High molecular synthetic material, referred to as thermoplastic.
Thermosetting：Refer to be heated to technological temperature either normal temperature can just mould, crosslinking curing or through high-temperature cross-linking
Solidification, is exactly finished product after cooling, and is not possess the characteristic for reheating and moulding again, referred to as thermosetting.Closed with this macromolecule
Be made into material after product, be non-renewable, do not meet environmental protection, the wasting of resources, and majority be first time be molded when just
Cannot be using easy plastic processing manufacture workpiece, high energy consumption, expenses of labour is high, yields poorly, and cost is high.
（One）Common thermo-setting elastomer：Ethylene propylene diene rubber, nitrile rubber, cis-butadiene cement, neoprene, silicon substrate glue etc.
Deng various solids, liquid synthetic rubber, natural rubber（It is both needed to high temperature vulcanized crosslinking）；Soft class unsaturated polyurethanes etc., all
Belong to thermo-setting elastomer this category.
The main production of vulcanized rubber article：Refining glue, tabletting, shaping, high temperature vulcanized crosslinking, product processing, packaging.
The production technology of liquid curing rubber is relatively slightly simpler.Identical is to be required for adding various substantial amounts of vulcanizing agents（S sulphur
Yellow, thio two morpholines of DM bis- etc.）, accelerator（BZ zinc dibutyl dithiocarbamates, MBT 2- mercapto benzo thiophenes
Cuo, TMTD tetramethylthiuram disulfide etc.）, antiscorching, the auxiliary agent such as high temperature anti-aging, by 185 DEG C~195 DEG C sulphur of high temperature
Make its crosslinking curing after change, become thermoset rubber product.
Harm in vulcanized rubber article：Vulcanized rubber article is used except not recyclable regenerative, does not meet environmental requirement
Outside, also with following harm：First, vulcanized rubber article is in process of production, due to pyroreaction, discharging substantial amounts of has
Evil gas, composing environment pollution；Second, vulcanized rubber article is helped due to adding substantial amounts of high toxin powdery in process of production
Agent, as dust removal installation is discharged into air, composing environment pollution.Third, vulcanized rubber article can promote its oxygen with atmosphere
Change（Start aging）, when being opened and used from product, pernicious gas, composing environment pollution are just being discharged always.Fourth, useless to arriving
Abandon, bury, contaminated soil, polluted underground water.If taking burning disposal, it will discharge more powerful hypertoxic gas, constitute
More serious environmental pollution.
（Two）Common thermoplastic elastomer (TPE)：Thermoplastic elastomer (TPE) refers to plastics easy processing, repeatedly plastic simplicity is special
Property, with plastic strength characteristic, comprehensive function, performance elastic properties material with the similar vulcanization high rebound characteristics of rubber.Thermoplasticity
Elastomer is can repeatedly to reheat to mould again, and circulation is renewable to be used, without vulcanization, environment friendly and pollution-free new material.This
In first summarize the synonym of thermoplastic elastomer (TPE)：TPE, TPR are English（Thermoplastic Elastomer thermoplastic elastomers,
Thermoplastic Rubber thermoplastic rubbers）Abbreviation, be accustomed in the international market be applied to thermoplastic elastomer (TPE)
Synonym.The general title of thermoplastic elastomer (TPE) is divided into the major class of TPE, TPR two, and it is not the title of specific product.
TPE thermoplastic elastomers：Refer to by principal phase of elastic monomer, meet supplemented by plastic monomer compound, hydrogenated block copolymer
Thing, block copolymer, polymer, the material through grafting, blending secondary synthesis, and most sanitation-grades for being free from harmful components
Material.TPE points are：It is hydrogenation of ethylene-butylene glue SEBS, polyester TPEE, polyamide TPAE, styrene sbs, vinyl acetate EVA, poly-
The specific kind such as alkene POE, polyurethane TPU.
TPR thermoplastic rubbers：Refer to by main material of polymer vulcanized rubber, plastics are auxiliary material, add auxiliary agent, through dynamic blending,
The material of dynamic vulcanization secondary synthesis.TPR points are：The specific product such as thermoplastic EPDM TPV, thermoplastic nitrile rubber NBR/PVC
Kind.Up to now, such product variety and few.
Further, the crossbeam has 2-5 roots；Metal front is close to elastomer layer setting.
Further, a big collision energy-absorbing prosthetic device is at least installed on the leading flank at the center of each crossbeam.
Further, on each crossbeam the both sides of big collision energy-absorbing prosthetic device be provided with some small collision energy-absorbing prosthetic devices,
Some small collision energy-absorbing devices, small collision energy-absorbing prosthetic device, small collision energy-absorbing device are spaced along the leading flank of crossbeam.
Beneficial effects of the present invention are as follows.
The present invention has five heavy buffering energy-absorbing mechanisms.First buffering energy-absorbing mechanism, including the taper in elastomer layer
Through hole, the diameter at the close bumper metal front end of conical through-hole is more than the diameter at its shell end after bumper metal, just
During the shock of face, the front end bore dia of conical through-hole reduces, and the rear end bore dia of conical through-hole becomes big, and newly energy effect is good, also assigns
The good plasticity of bumper.Second crash energy absorption equipment is：Including bolt, stage clip, vertical post, it will be insured by bolt and stage clip
Thick stick is fixed on vertical post.3rd buffering energy-absorbing mechanism is that small collision energy-absorbing prosthetic device includes first longitudinal direction support bar, the first suction
Can sleeve, the first stage clip.4th buffering energy-absorbing mechanism is small collision energy-absorbing device, can be carried to shrinking both direction cushioning control
The high comfortableness of system.The setting of first to the 4th buffer gear, can be after small collision occurs, and system automatically resets, and removes from
The trouble of maintenance.Five buffering energy-absorbing mechanisms are big collision energy-absorbing prosthetic device, when hard hit occurs, magnet control second
Vertical supporting bar travels forward and the second top plate of its front end is rushed at bumper, effectively buffers impact pressure, while protecting horizontal
Blast or on fire is not occurred by excessively violent vibrations for the battery at beam rear.The present invention is simple and reasonable for structure, improves and drives
The comfort for the person of multiplying, with five heavy buffering energy-absorbing mechanisms, and then greatly improves the buffering energy-absorbing performance of device, while this
The setting of crash energy absorption equipment also has resettability energy, is easy to temporary repair, practical, being suitable for large-scale promotion makes
With.
Brief description of the drawings
Fig. 1 is that low-speed electronic vehicle anticollision security protection system one of the present invention with automatic repair function is preferably implemented
The structural representation of example.
Fig. 2 is the partial enlarged drawing of Fig. 1 part A.
Fig. 3 is the partial enlarged drawing of Fig. 2 C portion.
Fig. 4 is the partial enlarged drawing of Fig. 2 D parts.
Fig. 5 is the partial enlarged drawing of Fig. 1 part B.
Fig. 6 is the partial enlarged drawing of Fig. 5 E parts.
Fig. 7 is that low-speed electronic vehicle anticollision security protection system one of the present invention with automatic repair function is preferably implemented
The structural representation of example.
Fig. 8 is the partial enlarged drawing of Fig. 7 F parts.
Fig. 9 is the partial enlarged drawing of Fig. 8 G parts.
Wherein：Electric automobile body -1；Bumper -2；Dangerous thick stick metal front -21；Elastomer layer -22；After bumper metal
Shell -23；Conical through-hole -24；Bumper attachment means -3；Stringer board -31；Vertical post -32；4th stage clip -33；Bolt -34；Crossbeam-
35；Pressure sensor installs taper hole -36；Pressure sensor -37；Small collision energy-absorbing prosthetic device -4；First longitudinal direction support bar-
41；First energy-absorbing sleeve -42；First stage clip -43；First position-limitting pin -44；Longitudinal sleeve -45；Cross through hole -46；Wedge shape is inserted
Pin -47；5th stage clip -48；First top plate -49；Small collision energy-absorbing device -5；3rd top plate -51；Piston pole socket -52；Piston
Bar -53；Piston -54；Working cylinder -55；Oil storage cylinder 56；Cylinder support -57；Oil sealing -58；Rebound valve -59；Flowing valve -510；Pressure
Contracting valve -511；Recuperation valve -512；Dust cover -513；Clamp nut -514；Big collision energy-absorbing prosthetic device -6；Second longitudinal direction is supported
Bar mobile limiter -60；Second longitudinal direction support bar -61；Second energy-absorbing sleeve -62；Second stage clip -63；Second top plate -64；
Ring-type stopper slot -65；Transverse sleeves -66；3rd stage clip -67；Electromagnet -68；Spacing iron sliding bolt -69；Second position-limitting pin-
610；Connection line -611；Battery -7.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1.As shown in figs 1 to 6, the low-speed electronic vehicle anticollision security protection system with automatic repair function
System, it is characterised in that：The low-speed electronic vehicle anticollision security protection system with automatic repair function includes electronic vapour
Car body 1, bumper 2, the bumper attachment means 3 for being arranged on bumper 2 on the front end of electric automobile body 1, suction
Can prosthetic device.
The bumper 2 includes shell 23 after bumper metal front 21, elastomer layer 22, bumper metal from front to back,
The elastomer layer 22 is made up of thermo-setting elastomer or thermoplastic elastic, longitudinally leads in elastomer layer 22 provided with some tapers
Hole 24, the diameter at the close end of bumper metal front 21 of conical through-hole 24 be more than its after bumper metal the end of shell 23 it is straight
Footpath.
The bumper attachment means 3 include be separately mounted to the front end left and right sides of electric automobile body 1 perpendicular to ground
Two stringer boards 31 in face；The front end of each stringer board 31 is provided with vertical some vertical posts 32 to arrangement, indulges the diameter of post 32 less than vertical
The width of plate 31；The outer radial periphery surface of each vertical post 32 is set with the 4th stage clip 33, front end and the bumper gold of the 4th stage clip 33
The trailing flank of shell 23 is in contact after category, the rear end of the 4th stage clip 33 is contacted with the leading flank of stringer board 31, and each vertical post 32 passes through insurance
The front end of thick stick 2 and vertical post 32 is provided with screw thread and is provided with bolt 34, and bumper 2 is fixed on into vertical post by bolt 34 and stage clip 33
On 32；Vertical some crossbeams 35 to arrangement are connected between two stringer boards 31；It is horizontal between two vertical posts 32 on electric automobile body 1
The rear side of beam 35 is provided with battery 7.
The energy-absorbing prosthetic device includes some small collision energy-absorbing prosthetic devices 4, some small collision energy-absorbing devices 5, some
Big collision energy-absorbing prosthetic device 6.
The small collision energy-absorbing prosthetic device 4 includes first longitudinal direction support bar 41, the first energy-absorbing sleeve 42, the first stage clip
43, the rear end of the first energy-absorbing sleeve 42 is connected with crossbeam 35, front end and the shell 23 after bumper metal of first longitudinal direction support bar 41
It is in contact, the vertical section of first longitudinal direction support bar 41 is rounded and its diameter is slightly less than the internal diameter of the first energy-absorbing sleeve 42,
The rear end of one vertical supporting bar 41 is inserted in the first energy-absorbing sleeve 42, is pacified between the rear end of first longitudinal direction support bar 41 and crossbeam 35
Equipped with the first stage clip 43；It is transversely provided with the medial surface of first energy-absorbing sleeve 42 close to end position thereafter in pin hole and pin hole
First position-limitting pin 44 is installed.The effect of first position-limitting pin 44 is the first stage clip 43 of protection.
The small collision energy-absorbing device 5 includes the 3rd top plate 51, piston pole socket 52, piston rod 53, piston 54, working cylinder
55th, oil storage cylinder 56, cylinder support 57, the piston rod 53 are longitudinally disposed, and the front end of piston rod 53 is connected with the 3rd top plate 51, the
Three top plates 51 are connected with shell 23 after bumper metal；The rear end of piston rod 53 is equipped with piston 54, and puts in working cylinder 55, working cylinder 55
In oil storage cylinder 56, the front portion of working cylinder 55 is provided with oil sealing 58, piston 54 and is provided with rebound valve 59 and flowing valve 510,
The rear end of working cylinder 55 is provided with compression valve 511 and recuperation valve 512；Oil storage cylinder 56 is arranged on cylinder support 57, cylinder support 57
It is connected on crossbeam 35.
The big collision energy-absorbing prosthetic device 6 includes second longitudinal direction support bar 61, the second energy-absorbing sleeve 62, the second stage clip
63rd, two second longitudinal direction support bar mobile limiter 60.
The rear end of second energy-absorbing sleeve 62 is connected with crossbeam 35, and the front end of second longitudinal direction support bar 61 is provided with the second top plate
64, the second top plate 64 is located at the trailing flank of the rear side of shell 23 and the second top plate 64 and shell 23 after bumper metal after bumper metal
Between have certain distance；The distance is 2-5cm；The vertical section of second longitudinal direction support bar 61 is rounded and its diameter is slightly less than
The internal diameter of second energy-absorbing sleeve 62, the outer radial periphery surface of second longitudinal direction support bar 61 is provided with ring-type stopper slot 65 and ring-type limit
The position place plane of groove 65 is perpendicular to the axis of second longitudinal direction support bar 61.
The rear end of second longitudinal direction support bar 61 is inserted in the second energy-absorbing sleeve 62, rear end and the horizontal stroke of second longitudinal direction support bar 61
Second stage clip 63 is installed between beam 35.
Two second longitudinal direction support bar mobile limiters 60 are separately mounted to the end of remote crossbeam 35 of the second energy-absorbing sleeve 62
Arranged on left and right sides；Second longitudinal direction support bar mobile limiter 60 include transverse sleeves 66, the 3rd stage clip 67, electromagnet 68,
Spacing iron sliding bolt 69, the axis of transverse sleeves 66 is perpendicular to the axis of second longitudinal direction support bar 61, the bucket of transverse sleeves 66
Mouthful towards second longitudinal direction support bar 61, limiting iron latch 69 is fitted with transverse sleeves 66, the bucket bottom of transverse sleeves 66 is provided with
Electromagnet 68, electromagnet 68 is connected by the 3rd stage clip 67 with electromagnet 68, when 68 no power of electromagnet, spacing iron sliding bolt 69
Second longitudinal direction support bar 61 is fixed on the second energy-absorbing sleeve 62 in the ring-type stopper slot 65 of insertion second longitudinal direction support bar 61,
When electromagnet 68 is powered, spacing iron sliding bolt 69 extracts second longitudinal direction support bar 61 from ring-type stopper slot 65；Electromagnet 68 passes through
Circuit is connected with battery 7.
It is transversely provided with pin hole and pin hole and is provided with close to end position thereafter on the medial surface of second energy-absorbing sleeve 62
Second position-limitting pin 610.
Elastomer layer 22 installs taper hole 36 provided with longitudinally disposed some pressure sensors, and pressure sensor installs taper hole
The diameter of 36 front end is more than the diameter of its rear end, and pressure sensor is installed in taper hole 36 and is provided with pressure sensor 37, touches greatly
The electromagnet 68 for hitting energy-absorbing prosthetic device 6 is connected by connection line 611 with pressure sensor 37；When pressure sensor 37 is detected
When occurring big collision to electric automobile, big collision energy-absorbing prosthetic device 6 extends and makes the second top plate 64 and bumper of its front end
Shell 23 is contacted after metal.
The big collision refers to electric automobile with more than 50km/ hours relative speed per hours and rigid barrier or other vehicles
Collision.
The front portion of oil storage cylinder 56 is provided with dust cover 513, and the front end of piston rod 53 is fixedly connected with dust cover 513；
The piston rod 53 is connected with piston 54 by clamp nut 514.
The left and right ends of bumper 2 are provided with after chamfering, the second top plate 64 and bumper metal between the trailing flank of shell 23
Distance is 2-5mm；The front end of first longitudinal direction support bar 41 is provided with the first top plate 49, the first top plate 49 and shell 23 after bumper metal
It is in contact.
Thermo-setting elastomer is ethylene propylene diene rubber, nitrile rubber, cis-butadiene cement, neoprene, silicon substrate glue, solid-liquid synthesis
One kind in rubber, natural rubber.
Thermoplastic elastomer (TPE) is change Ethylene/Butylene glue SEBS, polyester TPEE, polyamide TPAE, styrene sbs, acetic acid second
One kind in alkene EVA, polyolefin POE, polyurethane TPU, thermoplastic EPDM TPV, thermoplastic nitrile rubber NBR/PVC.
The crossbeam 35 has 2.
The present embodiment has five heavy buffering energy-absorbing mechanisms.First buffering energy-absorbing mechanism, including in elastomer layer 22
Conical through-hole 24, the diameter at the close end of bumper metal front 21 of conical through-hole 24 is more than its shell 23 after bumper metal
The diameter at end, during frontal impact, the front end bore dia of conical through-hole 24 reduces, and the rear end bore dia of conical through-hole 24 becomes big, newly
Energy effect is good, also assigns bumper good plasticity.Second crash energy absorption equipment is：Including bolt 34, stage clip 33, vertical post
32, bumper 2 is fixed on vertical post 32 by bolt 34 and stage clip 33.3rd buffering energy-absorbing mechanism is small collision energy-absorbing reparation
Device 4 includes first longitudinal direction support bar 41, the first energy-absorbing sleeve 42, the first stage clip 43.4th buffering energy-absorbing mechanism is small collision
Energy absorption device 5, can improve the comfortableness of system to shrinking both direction cushioning control.First to the 4th buffer gear is set
Put, can be after small collision occur, system automatically resets, and removes the trouble of maintenance from.Five buffering energy-absorbing mechanisms are that big collision energy-absorbing is repaiied
Apparatus for coating 6, when hard hit occurs, the control of electromagnet 68 second longitudinal direction support bar 61 travels forward and makes the second of its front end
Top plate 64 rushes at bumper, effectively buffers impact pressure, while protecting the battery 7 at crossbeam rear not by excessively violent vibrations
And occur blast or on fire.The present embodiment is simple and reasonable for structure, improves the comfort of driver, with five heavy buffering energy-absorbings
Mechanism, and then the buffering energy-absorbing performance of device is greatly improved, it can be answered while the setting of this crash energy absorption equipment also has
Position performance, is easy to temporary repair, practical, is suitable for large-scale promotion and uses.
Embodiment 2.As shown in figs. 7 to 9, the present embodiment and the difference of embodiment 1 are：Each first energy-absorbing sleeve 42 is consolidated
It is scheduled in a longitudinal sleeve 45, the rear end of longitudinal sleeve 45 is connected with the leading flank of crossbeam 35, the front end of the first energy-absorbing sleeve 42
The left and right sides be respectively provided with the distance between cross through hole 46 and the center of cross through hole 46 and bottom surface of the first energy-absorbing sleeve 42
Wedge is provided with the distance between bottom surface less than rear end and the first energy-absorbing sleeve 42 of first longitudinal direction support bar 41, cross through hole 46
Shape latch 47, wedge-shaped bolt 47 is connected by the 5th stage clip 48 laterally set with the medial surface of longitudinal sleeve 45；Wedge-shaped bolt
47 inclined-plane is located on its leading flank.
The crossbeam 35 has 3.
One big collision energy-absorbing prosthetic device 6 is at least installed on the leading flank at the center of each crossbeam 35.
On each crossbeam 35 both sides of big collision energy-absorbing prosthetic device 6 some small collision energy-absorbing prosthetic devices 4 are installed, it is some
Small collision energy-absorbing device 5, small collision energy-absorbing prosthetic device 4, leading flank of the small collision energy-absorbing device 5 along crossbeam 35 are spaced.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (10)
1. the low-speed electronic vehicle anticollision security protection system with automatic repair function, it is characterised in that：It is described to have certainly
The low-speed electronic vehicle anticollision security protection system of dynamic repair function includes electric automobile body（1）, bumper（2）, be used for
By bumper（2）Installed in electric automobile body（1）Front end on bumper attachment means（3）, energy-absorbing prosthetic device；
The bumper（2）Include bumper metal front from front to back（21）, elastomer layer（22）, shell after bumper metal
（23）, the elastomer layer（22）It is made up of thermo-setting elastomer or thermoplastic elastic, elastomer layer（22）If interior longitudinal direction is provided with
Dry conical through-hole（24）, conical through-hole（24）Close bumper metal front（21）The diameter at end is more than it close to bumper
Shell after metal（23）The diameter at end；
The bumper attachment means（3）Including being separately mounted to electric automobile body（1）The front end left and right sides perpendicular to ground
Two stringer boards in face（31）；Each stringer board（31）Front end one vertical some vertical posts to arrangement are installed（32）, indulge post（32）It is straight
Footpath is less than stringer board（31）Width；Each vertical post（32）Outer radial periphery surface be set with the 4th stage clip（33）, the 4th stage clip（33）
Front end and bumper metal after shell（23）Trailing flank be in contact, the 4th stage clip（33）Rear end and stringer board（31）Leading flank
Contact, each vertical post（32）Through bumper（2）And vertical post（32）Front end is provided with screw thread and is provided with bolt（34）, pass through bolt
（34）With stage clip（33）By bumper（2）It is fixed on vertical post（32）On；Two stringer boards（31）Between to be connected with one vertical to arrangement
Some crossbeams（35）；Electric automobile body（1）Upper two vertical posts（32）Between crossbeam（35）Rear side battery is installed（7）；
The energy-absorbing prosthetic device includes some small collision energy-absorbing prosthetic devices（4）, some small collision energy-absorbing devices（5）, it is some
Big collision energy-absorbing prosthetic device（6）；
The small collision energy-absorbing prosthetic device（4）Including first longitudinal direction support bar（41）, the first energy-absorbing sleeve（42）, the first stage clip
（43）, the first energy-absorbing sleeve（42）Rear end and crossbeam（35）Connection, first longitudinal direction support bar（41）Front end and bumper gold
Shell after category（23）It is in contact, first longitudinal direction support bar（41）Vertical section it is rounded and its diameter is slightly less than the first energy-absorbing sleeve
（42）Internal diameter, first longitudinal direction support bar（41）Rear end insert the first energy-absorbing sleeve（42）It is interior, first longitudinal direction support bar（41）
Rear end and crossbeam（35）Between the first stage clip is installed（43）；First energy-absorbing sleeve（42）Medial surface on close to its rear end position
Put to be transversely provided with pin hole and pin hole and the first position-limitting pin is installed（44）；
The small collision energy-absorbing device（5）Including the 3rd top plate（51）, piston pole socket（52）, piston rod（53）, piston（54）, work
Make cylinder（55）, oil storage cylinder（56）, cylinder support（57）, the piston rod（53）It is longitudinally disposed, piston rod（53）Front end connection
There is the 3rd top plate（51）, the 3rd top plate（51）With shell after bumper metal（23）It is connected；Piston rod（53）Rear end is equipped with piston
（54）, and put in working cylinder（55）, working cylinder（55）Installed in oil storage cylinder（56）It is interior, working cylinder（55）Front portion is provided with oil sealing
（58）, piston（54）On rebound valve is installed（59）And flowing valve（510）, working cylinder（55）Rear end is provided with compression valve（511）
And recuperation valve（512）；Oil storage cylinder（56）Installed in cylinder support（57）On, cylinder support（57）It is connected to crossbeam（35）On；
The big collision energy-absorbing prosthetic device（6）Including second longitudinal direction support bar（61）, the second energy-absorbing sleeve（62）, the second stage clip
（63）, two second longitudinal direction support bar mobile limiters（60）；
Second energy-absorbing sleeve（62）Rear end and crossbeam（35）Connection, second longitudinal direction support bar（61）Front end be provided with the second top plate
（64）, the second top plate（64）The shell after bumper metal（23）Rear side and the second top plate（64）With shell after bumper metal
（23）Trailing flank between have certain distance；Second longitudinal direction support bar（61）Vertical section it is rounded and its diameter is slightly less than
Two energy-absorbing sleeves（62）Internal diameter, second longitudinal direction support bar（61）Outer radial periphery surface be provided with ring-type stopper slot（65）And ring
Shape stopper slot（65）Place plane is perpendicular to second longitudinal direction support bar（61）Axis；
Second longitudinal direction support bar（61）Rear end insert the second energy-absorbing sleeve（62）It is interior, second longitudinal direction support bar（61）Rear end with
Crossbeam（35）Between the second stage clip is installed（63）；
Two second longitudinal direction support bar mobile limiters（60）It is separately mounted to the second energy-absorbing sleeve（62）Remote crossbeam（35）
The arranged on left and right sides at end；Second longitudinal direction support bar mobile limiter（60）Include transverse sleeves（66）, the 3rd stage clip（67）、
Electromagnet（68）, spacing iron sliding bolt（69）, transverse sleeves（66）Axis perpendicular to second longitudinal direction support bar（61）Axis
Line, transverse sleeves（66）Bung towards second longitudinal direction support bar（61）, transverse sleeves（66）Inside it is fitted with limiting iron latch
（69）, transverse sleeves（66）Bucket bottom electromagnet is installed（68）, electromagnet（68）Pass through the 3rd stage clip（67）With electromagnet
（68）It is connected, works as electromagnet（68）During no power, spacing iron sliding bolt（69）Insert second longitudinal direction support bar（61）Ring-type it is spacing
Groove（65）It is interior by second longitudinal direction support bar（61）It is fixed on the second energy-absorbing sleeve（62）On, work as electromagnet（68）It is spacing during energization
Iron sliding bolt（69）From ring-type stopper slot（65）Extract second longitudinal direction support bar（61）；Electromagnet（68）Pass through circuit and battery
（7）It is connected；
Second energy-absorbing sleeve（62）Medial surface on be transversely provided with close to end position thereafter in pin hole and pin hole and be provided with the
Two position-limitting pins（610）；
Elastomer layer（22）Taper hole is installed provided with longitudinally disposed some pressure sensors（36）, pressure sensor installation taper hole
（36）Front end diameter be more than its rear end diameter, pressure sensor install taper hole（36）Pressure sensor is inside installed
（37）, big collision energy-absorbing prosthetic device（6）Electromagnet（68）Pass through connection line（611）With pressure sensor（37）It is connected；
Work as pressure sensor（37）When detecting electric automobile and occurring big collision, big collision energy-absorbing prosthetic device（6）Extend and make before it
Second top plate at end（64）With shell after bumper metal（23）Contact.
2. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：The big collision refers to electric automobile with more than 50km/ hours relative speed per hours and rigid barrier or other vehicles
Collision.
3. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：The oil storage cylinder（56）Front portion is provided with dust cover（513）, the piston rod（53）Front end and dust cover（513）Gu
Fixed connection；The piston rod（53）With piston（54）Pass through clamp nut（514）Connection.
4. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：Each first energy-absorbing sleeve（42）It is fixed on a longitudinal sleeve（45）It is interior, longitudinal sleeve（45）Rear end and crossbeam（35）
Leading flank be connected, the first energy-absorbing sleeve（42）The left and right sides of front end be respectively provided with cross through hole（46）And cross through hole（46）
Center and the first energy-absorbing sleeve（42）The distance between bottom surface be less than first longitudinal direction support bar（41）Rear end with first inhale
Can sleeve（42）The distance between bottom surface, cross through hole（46）It is interior to be provided with wedge-shaped bolt（47）, wedge-shaped bolt（47）Pass through horizontal stroke
To the 5th stage clip of setting（48）With longitudinal sleeve（45）Medial surface be connected；Wedge-shaped bolt（47）Inclined-plane be located at its leading flank
On.
5. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：Bumper（2）Left and right ends be provided with chamfering, the second top plate（64）With shell after bumper metal（23）Trailing flank it
Between distance be 2-5mm；First longitudinal direction support bar（41）Front end be provided with the first top plate（49）, the first top plate（49）With bumper
Shell after metal（23）It is in contact.
6. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：Thermo-setting elastomer is ethylene propylene diene rubber, nitrile rubber, cis-butadiene cement, neoprene, silicon substrate glue, solid-liquid synthesis
One kind in rubber, natural rubber.
7. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：Thermoplastic elastomer (TPE) for change Ethylene/Butylene glue, polyester, polyamide, styrene, vinyl acetate, polyolefin, polyurethane,
One kind in thermoplastic EPDM, thermoplastic nitrile rubber.
8. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Levy and be：The crossbeam（35）There are 2-5 roots；Metal front is close to elastomer layer setting.
9. the low-speed electronic vehicle anticollision security protection system with automatic repair function as claimed in claim, its feature
It is：At least in each crossbeam（35）Center leading flank on a big collision energy-absorbing prosthetic device is installed（6）.
10. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 9, it is special
Levy and be：Each crossbeam（35）Upper big collision energy-absorbing prosthetic device（6）Both sides some small collision energy-absorbing prosthetic devices are installed
（4）, some small collision energy-absorbing devices（5）, small collision energy-absorbing prosthetic device（4）, small collision energy-absorbing device（5）Along crossbeam（35）'s
Leading flank is spaced.
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| CN201710457298.2A CN107139875B (en) | 2017-06-16 | 2017-06-16 | Low-speed electric automobile anti-collision safety protection system with automatic repair function |
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| CN201710457298.2A CN107139875B (en) | 2017-06-16 | 2017-06-16 | Low-speed electric automobile anti-collision safety protection system with automatic repair function |
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| CN107139875A true CN107139875A (en) | 2017-09-08 |
| CN107139875B CN107139875B (en) | 2023-09-26 |
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| CN109263586A (en) * | 2018-09-11 | 2019-01-25 | 杨平 | A kind of preposition energy absorption device of car resetting chip resistant using air pressure |
| CN111619487A (en) * | 2020-06-03 | 2020-09-04 | 长沙理工大学 | Fluid-solid coupling four-stage collision energy absorption device |
| CN111660973A (en) * | 2020-06-17 | 2020-09-15 | 华侨大学 | Automobile anti-collision beam |
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