CN207059965U - 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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- CN207059965U CN207059965U CN201720703149.5U CN201720703149U CN207059965U CN 207059965 U CN207059965 U CN 207059965U CN 201720703149 U CN201720703149 U CN 201720703149U CN 207059965 U CN207059965 U CN 207059965U
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Abstract
The utility model 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 utility model is simple and reasonable for structure, improves the comfort of driver, has 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 also has resettability energy simultaneously, practical, is suitable for large-scale promotion use.
Description
Technical field
Automobile safety protective equipment is the utility model is related to, the specifically low-speed electronic automobile with automatic repair function is prevented
Collision safety guard 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 is no more than 350 kilograms (not including electrokinetic cell weight), highest design speed per hour be 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 are 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 automobile engine is damaged it is larger, impact energy it is more be transferred to vehicle body,
Occupant is damaged.In addition, low-speed electronic automobile speed is relatively low, therefore the probability ratio of small shock typically occurs
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 energy caused by balanced scattered shock, electricity
Pond will explode or on fire, cause security incident.
Utility model content
The purpose of this utility model is to provide the low-speed electronic vehicle anticollision security protection with automatic repair function
System, to solve the problems mentioned in the above background technology.
The technical solution adopted in the utility model 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 bumper metal front, elastomer layer, bumper metal rear shell, the elasticity 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 close to bumper metal rear shell end diameter.
The bumper attachment means include be separately mounted at left and right sides of electric automobile body front end perpendicular to ground
Two stringer boards;The front end of each stringer board is provided with one vertically to some vertical posts of 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 bumper metal rear shell
The tactile, rear end of the 4th stage clip contacts with the leading flank of stringer board, and 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 one is connected between two stringer boards vertically to arrangement
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 in contact with bumper metal rear shell, 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 bumper metal rear shell
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
Seal, rebound valve and flowing valve are installed on 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 the rear side of bumper metal rear shell and has certain distance between the trailing flank of the second top plate and bumper metal rear 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
Plane is perpendicular to the axis of second longitudinal direction support bar where outer radial periphery surface is provided with ring-type stopper slot and ring-type stopper slot.
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 horizontal towards second longitudinal direction support bar perpendicular to the axis of second longitudinal direction support bar, the bung of transverse sleeves
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, and when the solenoid is energized, 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 is provided with longitudinally disposed some pressure sensors installation taper hole, before pressure sensor installs taper hole
The diameter at end is more than the diameter of its rear end, and pressure sensor, big collision energy-absorbing reparation are provided with pressure sensor installation taper hole
The electromagnet of device is connected by connection line with pressure sensor;When pressure sensor detects that big collision occurs for electric automobile
When, big collision energy-absorbing prosthetic device extends and the second top plate of its front end is contacted with bumper metal rear shell.
Further, the big collision refer to electric automobile with the more than hour relative speed per hours of 50km/ 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, cross through hole and the center of cross through hole and the first energy-absorbing sleeve is respectively provided with left and right sides of the front end of 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 chamfering, between the second top plate and the trailing flank of bumper metal rear 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 bumper metal rear shell
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, after referring to that this kind of high molecular synthetic material possesses drawn, pressurization, with releasing for external force
Put, return to the elastomeric material of original state at once.
Thermoplasticity:With the characteristic for being heated to technological temperature can and moulding, 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 performance difference purposes 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 it is sharp
High molecular synthetic material, referred to as thermoplastic.
Thermosetting:Refer to be heated to technological temperature either normal temperature can 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
Non-renewable after product is made into material, do not meet environmental protection, the wasting of resources, and majority be first time be molded when just
Easy plastic processing manufacture workpiece cannot be used, 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 does not meet environmental requirement except not recyclable regenerative use
Outside, also with following harm:First, vulcanized rubber article is in process of production, due to pyroreaction, discharging largely has
Evil gas, composing environment pollution;Second, vulcanized rubber article helps 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.It is fourth, useless to arriving
Abandon, bury, contaminated soil, polluted underground water.If take burning disposal, it will discharge more powerful hypertoxic gas, form
More serious environmental pollution.
(Two)Common thermoplastic elastomer (TPE):Thermoplastic elastomer (TPE) refers to plastics easy processing, repeatedly plastic simplicity is special
Property, there is plastic strength characteristic, comprehensive function, the performance elastic properties material with the similar vulcanization high rebound characteristics of rubber.Thermoplasticity
Elastomer is can repeatedly to reheat to mould again, circulates renewable use, 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 to being applied to thermoplastic elastomer (TPE) in the international market
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 using elastic monomer as compound of meeting supplemented by principal phase, plastic monomer, hydrogenated block copolymer
Thing, block copolymer, polymer, through being grafted, being blended the material of 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 kinds such as alkene POE, polyurethane TPU.
TPR thermoplastic rubbers:Refer to that using polymer vulcanized rubber be main material, plastics for 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.
The beneficial effects of the utility model are as follows.
The utility model has five heavy buffering energy-absorbing mechanisms.First buffering energy-absorbing mechanism, including in elastomer layer
Conical through-hole, the diameter at the close bumper metal front end of conical through-hole are more than it close to the straight of bumper metal rear shell end
Footpath, during frontal impact, the front end bore dia of conical through-hole reduces, and the rear end bore dia of conical through-hole becomes big, newly can effect it is good,
Assign bumper good plasticity.Second crash energy absorption equipment is:, will by bolt and stage clip including bolt, stage clip, vertical post
Bumper 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
One energy-absorbing sleeve, the first stage clip.4th buffering energy-absorbing mechanism is small collision energy-absorbing device, can be to shrinking both direction buffering control
System, improve the comfortableness of system.The setting of first to the 4th buffer gear, can be after small collision occurs, and system automatically resets,
Remove the trouble of maintenance from.Five buffering energy-absorbing mechanisms are big collision energy-absorbing prosthetic device, when hard hit occurs, magnet control
Second longitudinal direction support bar travels forward and the second top plate of its front end is rushed at bumper, effectively buffers impact pressure, protects simultaneously
Blast or on fire is not occurred by excessively violent vibrations for the battery at shield crossbeam rear.The utility model is simple and reasonable for structure,
The comfort of driver is improved, there are five heavy buffering energy-absorbing mechanisms, and then greatly improves the buffering energy-absorbing performance of device,
The setting of this crash energy absorption equipment also has resettability energy simultaneously, is easy to temporary repair, practical, is suitable for extensive
Promote the use of.
Brief description of the drawings
Fig. 1 is that the utility model has the low-speed electronic vehicle anticollision security protection system one of automatic repair function preferable
The structural representation of embodiment.
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 the utility model has the low-speed electronic vehicle anticollision security protection system one of automatic repair function preferable
The structural representation of embodiment.
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 supports
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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1.As shown in figs 1 to 6, there is the low-speed electronic vehicle anticollision security protection system of 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 bumper metal front 21, elastomer layer 22, bumper metal rear shell 23 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 are more than it close to the straight of the end of bumper metal rear shell 23
Footpath.
The bumper attachment means 3 include be separately mounted at left and right sides of the front end 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 one vertically to some vertical posts 32 of 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 category rear shell 23 is in contact, the rear end of the 4th stage clip 33 contacts 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;One is connected between two stringer boards 31 vertically to some crossbeams 35 of arrangement;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 bumper metal rear shell 23 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, and
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 is 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 bumper metal rear shell 23;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, and rebound valve 59 and flowing valve 510 are provided with piston 54,
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 rear side of bumper metal rear shell 23 and the second top plate 64 and the trailing flank of bumper metal rear shell 23
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 limits
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 are 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 is provided with longitudinally disposed some pressure sensors installation taper hole 36, pressure sensor installation taper hole
The diameter of 36 front end is more than the diameter of its rear end, is provided with pressure sensor 37 in pressure sensor installation taper hole 36, 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 detects
When big collision occurs to electric automobile, big collision energy-absorbing prosthetic device 6 extends and makes the second top plate 64 and bumper of its front end
Metal rear shell 23 contacts.
The big collision refers to relative speed per hour and rigid barrier or other vehicles of the electric automobile with 50km/ more than hour
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 chamfering, between the second top plate 64 and the trailing flank of bumper metal rear 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 bumper metal rear shell 23
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 are more than it close to bumper metal rear shell 23
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, the comfortableness of system can be improved 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, electromagnet 68 controls second longitudinal direction support bar 61 to travel forward and makes the second of its front end
Top plate 64 rushes at bumper, effectively buffers impact pressure, while protects the battery 7 at crossbeam rear not by excessively violent vibrations
And blast or on fire occurs.The present embodiment is simple and reasonable for structure, improves the comfort of driver, has five heavy buffering energy-absorbings
Mechanism, and then the buffering energy-absorbing performance of device is greatly improved, while the setting of this crash energy absorption equipment also has and can answered
Position performance, is easy to temporary repair, practical, is suitable for large-scale promotion use.
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 solid
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
The distance between bottom surface less than rear end and the first energy-absorbing sleeve 42 of first longitudinal direction support bar 41, wedge is provided with cross through hole 46
Shape latch 47, wedge-shaped bolt 47 are 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.
The both sides of big collision energy-absorbing prosthetic device 6 are provided with some small collision energy-absorbing prosthetic devices 4, some on each crossbeam 35
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 utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
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 those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that 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), bumper metal rear shell
(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
Metal rear shell(23)The diameter at end;
The bumper attachment means(3)Including being separately mounted to electric automobile body(1)At left and right sides of front end perpendicular to ground
Two stringer boards in face(31);Each stringer board(31)Front end be provided with one vertically to some vertical posts of arrangement(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 rear 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 be provided with screw thread and bolt be installed(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 be connected with one vertically 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
Belong to rear shell(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 bumper metal rear shell(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)Positioned at bumper metal rear shell(23)Rear side and the second top plate(64)With bumper metal rear shell
(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)It is provided with longitudinally disposed some pressure sensors installation taper hole(36), pressure sensor installation taper hole
(36)Front end diameter be more than its rear end diameter, pressure sensor installation 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 that big collision occurs for electric automobile, big collision energy-absorbing prosthetic device(6)Before extending and making it
Second top plate at end(64)With bumper metal rear shell(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
Sign is:The big collision refers to relative speed per hour and rigid barrier or other vehicles of the electric automobile with 50km/ more than hour
Collision.
3. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Sign is: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
Sign is: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)Front end at left and right sides of 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
Sign is:Bumper(2)Left and right ends be provided with chamfering, the second top plate(64)With bumper metal rear shell(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
Metal rear shell(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
Sign is: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
Sign is: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
Sign is:The crossbeam(35)There are 2-5 roots;Metal front is close to elastomer layer setting.
9. having the low-speed electronic vehicle anticollision security protection system of automatic repair function as claimed in claim 1, it is special
Sign 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
Sign is: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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CN201720703149.5U CN207059965U (en) | 2017-06-16 | 2017-06-16 | Low-speed electronic vehicle anticollision security protection system with automatic repair function |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107139875A (en) * | 2017-06-16 | 2017-09-08 | 徐扬 | Low-speed electronic vehicle anticollision security protection system with automatic repair function |
CN108284343A (en) * | 2018-04-25 | 2018-07-17 | 温州大学激光与光电智能制造研究院 | Cutters In Mc fail-safe mechanism |
WO2019214274A1 (en) * | 2018-05-08 | 2019-11-14 | 深圳光峰科技股份有限公司 | Pressure prevention housing, projector and pressure prevention method |
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2017
- 2017-06-16 CN CN201720703149.5U patent/CN207059965U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107139875A (en) * | 2017-06-16 | 2017-09-08 | 徐扬 | Low-speed electronic vehicle anticollision security protection system with automatic repair function |
CN107139875B (en) * | 2017-06-16 | 2023-09-26 | 徐扬 | Low-speed electric automobile anti-collision safety protection system with automatic repair function |
CN108284343A (en) * | 2018-04-25 | 2018-07-17 | 温州大学激光与光电智能制造研究院 | Cutters In Mc fail-safe mechanism |
WO2019214274A1 (en) * | 2018-05-08 | 2019-11-14 | 深圳光峰科技股份有限公司 | Pressure prevention housing, projector and pressure prevention method |
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