CN1704282A - Separator for preventing collision in high, normal and low speed and three-dimensional hanging life-saving safety chair for children - Google Patents
Separator for preventing collision in high, normal and low speed and three-dimensional hanging life-saving safety chair for children Download PDFInfo
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- CN1704282A CN1704282A CN 200410022708 CN200410022708A CN1704282A CN 1704282 A CN1704282 A CN 1704282A CN 200410022708 CN200410022708 CN 200410022708 CN 200410022708 A CN200410022708 A CN 200410022708A CN 1704282 A CN1704282 A CN 1704282A
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Abstract
The invention discloses a separator with high, middle and low speed bumping and children life-saving seat of three-space hanging business car. It comprises the following main points: it does end-to-end connection of children separator with high, middle and low speed bumping; first it is separately connected with the eight up and down angles of adult seat and then separately connected it with children seat, the life limit value positing wire is arranged on the ends of the said eight angles; children weight value and separator low value adds additional breakdown separator; then it overlaps with middle speed high end value and high speed low end value; the middle speed highest value and high speed lowest value which are from children weight value adding additional breakdown separator can naturally transient from low to high; the middle bumping energy is equivalent and can be interchanged.
Description
Technical field
The present invention relates to and a kind ofly use on self-propelled vehicle, children, Chair for children relate to particularly that a kind of vehicle uses when bumping, young, pupil's anticollision safety seat.
Background technology
In today of automotive engineering develop rapidly, the car speed of travels down is more and more faster, and maximum speed per hour reaches more than the 300Km/h.But thing followed stall collision case is also more and more frequent, and casualty accident is also more and more, more and more serious! Human in exploring natural civilization and progressive process, the very long road in century more than of having passed by has been paid the cost of bleeding of a large amount of heavinesses, has handed over expensive tuition fee.
As in 2002, in all kinds of traffic accidents of China, the death toll ratio of traffic accident is 78.5%, 2003 year, and the first half of the year, ratio was 76.3%, and wherein, in the middle of per 10 people, it is children that 1 people is just arranged.Show that thus the traffic accident injury has become " first killer " of Children Injury.And on the other hand, the whole world is the children of geometric growth, the patent of pupil's safety guard-safeguard and the appearance of non-patent technology every year, and its protection effect is unsatisfactory, and the example that exemplifies has above illustrated this point, below the prior art quoted as proof also this point to be described.
As: the Chinese patent CN1472093 that on February 4th, 2004 was announced; the automobile specified seats for children, it is by backrest wall, seat body, and above child two shoulders of seat on seat seat body; extend to the V peace shape protection tectosome between two strands, and the elastic overcoat of using is formed on every side.
" the car market weekly " published on February 11st, 2004,25 pages of introductions be, what is meant by the ISOFIX child seat.This system is that a kind of automobile that aims at is with baby and child safety seat and the standard anchor system of establishing.This piece of writing, another exercise question are the BB seat.This article introduction be 9 months to 4 years old babies, children, child safety protection impact test.What introduce in this article is in external 16 Automobile Dynamic collision, to have only the children in 2 cars just to obtain protection.
2004 2 phases " automobile and safety " magazine, 61 pages of introductions be children's seats safe in utilization, can reduce in collision injury to belly ...The children that are fixed on the backward type children special-purpose seat compare with the children that do not fasten the safety belt, and the probability that is hurt can reduce 90%.
Above-mentioned back one magazine, 7 phases of calendar year 2001,18 pages of-20 pages of introductions be U.S. pupil school bus and safety analysis thereof.Introducing the U.S. in the literary composition has 2,400 ten thousand pupils approximately, and go to school and leave school by school's passenger vehicle every day ...And what use on the seat is to be covered with four inches thick energy-absorbing seat cushions of one deck, the energy when absorbing vehicle stall ...
2003 2 phases " Chinese automobile magazine " magazine, 108-111 page or leaf, exercise question: end-of-term examination at the year end; introduced NCAP in the literary composition; full name: European NCAP, at the year ends 2002, selected 18 each manufacturer's vehicles again; participate in positive 64Km/h; side 50Km/h speed per hour collision wherein has 18 months baby and child dummy's example of 3 years old to go into wherein to participate in collision, result; the protection that has the child in 6 to obtain, and all the other childs of 2/3 are subjected to injury in various degree.
2004 1 phase 24-25 page or leaf " automobile digest " introduce be automobile SRS airbag technology, promptly intelligent recognition system.Children's stature and collision velocity and bump degree etc. are discerned, protected respectively again.
2003 10 phases " car fan " magazine is set forth air bag and is had only 20% defencive function in 82 pages of literary compositions, because it just is called the auxiliary protection system, though above-mentioned Eltec is not a technical field, can understand this technological development direction at least.
The technological deficiency of above-mentioned system example prior art and standard common point has following several: the one, and the impulsive force when stall not being collided is avoided; The 2nd, when avoiding, do not allow and avoid the backlash full buffer; The 3rd, can not distinguish the not dynamics of syn-collision during collision; The 4th, do not make in when collision and mechanics axiom to be consistent.
Though above-mentioned intelligent air bag can be discerned the speed of a motor vehicle, collision energy, its mistake sends instructions, and to bump the morning that causes, bump late, do not bump, disorderly bump be to cause the major cause not high to the child seat protection ratio.
The virgin seat special of above-mentioned child, as the scope collision of the dynamic rules in positive side in various countries, exhausted most special-purpose child's seat all can injure the child.Many in addition stall collisions all surpass dynamic rules, speed per hour, quality, and exhausted so most child can come to harm, and these special-purpose child's seats have all become ornaments this moment basically so.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the shortcoming of above-mentioned prior art, provides a kind of simple in structure, but safer preventing motor-vehicle is avoided the disconnector of impulsive force when high, medium and low speed collision takes place; They are the large and small circuit sectionalizer of double as power again, and three-dimension suspending children, the pupil's safe chair of avoiding impulsive force are provided simultaneously, and high, shared this chair of middling speed.
In order to solve above-mentioned technical matters, the present invention adopts first kind of following technical scheme to be: the high speed rejector head end, eight angles that adapt of up, down, left, right, before and after with the double seat of adult link to each other earlier.
Second kind of technical scheme that the present invention adopts is: by the middling speed disconnector that rated value is formed, its head end links to each other with the tail end of high speed rejector.
The third technical scheme that the present invention adopts is: by the low speed disconnector that rated value is formed, its head end and middling speed disconnector tail end join.And the additional disconnector that anti-low speed disconnector lost efficacy, it is stressed bigger than former low speed, and stroke is long, and it is located at the corresponding connection location in low speed disconnector two ends.
The 4th kind of technical scheme that the present invention adopts is: the tail end of each low speed disconnector, link to each other with three-dimension suspending children, eight angles of the corresponding up, down, left, right, before and after of virgin lifesaving safe chair, and the shared same seat of high, medium and low speed.And the lower end of child's seat, the cantilever step of ining succession; And in seat, also be provided with safety strap in addition, and oblique angle, the upper end part of its band is connected in the backrest inboard of seat, and the lower end is connected in back of seat root both sides, and the safety strap of shank then a bit joins with the front, backrest root both sides of seat.
The 5th kind of technical scheme that the present invention adopts is: the low end value of this pupil's body weight, and overlapping with the high end value of above-mentioned child's body weight, and the middling speed disconnector, anti-speed of a motor vehicle collision, energy is equal to, so high, medium and low fast disconnector and seat can be replaced mutually.
The 6th kind of technical scheme that the present invention adopts is: the Chair for children beyond the high and low end value of this children pupil's body weight, and eight angles of up, down, left, right, before and after, corresponding continuous with the middling speed disconnector head end that middling speed collision impact value is formed.
The 7th kind of technical scheme that the present invention adopts is: the middling speed disconnector of being made up of rated value, its head end links to each other with the tail end of high speed rejector, and this tail end joins with eight angles that adapt of up, down, left, right, before and after of the double seat of corresponding adult again, the additional middling speed disconnector that anti-middling speed disconnector lost efficacy, stressed bigger than former middling speed, stroke is long, and it is located at the corresponding connection location in middling speed disconnector two ends.And high, the shared same seat of middling speed.In the lower end of Chair for children, the suspended wall step of ining succession.And in seat, also be provided with safety strap, and the oblique angle, upper end of its band partly is connected in the outside, backrest top of seat, and the lower end is connected in back of seat root both sides, and the safety strap of shank then with before the backrest root both sides of seat a bit is connected.The positioning rope of Chair for children, an end then with corresponding eight angles of up, down, left, right, before and after of the double seat of adult, promptly each disconnector links to each other side by side, the other end joins with eight angles of the corresponding up, down, left, right, before and after of Chair for children again.
The present invention is these buoyant deck chairs to the improvement of above-mentioned five to seven kinds of technical schemes, can be used for the school bus of school, child's shuttle of kindergarten etc., after pressing such scheme and improving, use on children, the pupil's special vehicle.
The disconnector of above-mentioned anti-high, medium and low speed collision, and three-dimension suspending children, pupil's lifesaving safe chair are by corresponding spring formula: have initial tension, no initial tension or reference book definite.
The disconnector of above-mentioned anti-high, medium and low speed collision can be set by make.
Owing to adopted the routine technical scheme of above system, compare with above-mentioned prior art, when height, middling speed collision take place in any direction, angle, low speed disconnector on its car, at first stressed, make way for middling speed disconnector and high speed rejector simultaneously, making its collision or the gravity that is collided, making a concerted effort to slow down at this is component, when the stressed deficiency of high speed, the middling speed disconnector replenishes stressed automatically, makes component littler.When avoiding inertia and impulse force,, become damping, buffering, overall plastic property three-dimension suspending shape because the differentiation effect of high, medium and low fast disconnector has been arranged.When the middling speed collision took place, because the low end value of high speed rejector, greater than the high end value of middling speed disconnector, so high speed rejector does not stress at this moment, remaining effect was identical with high-speed crash.In like manner, when low speed collision took place, because the low end value of middling speed disconnector, the high end value greater than the low speed disconnector so can't start the middling speed disconnector, did not promptly stress, and remaining safe effect is identical with middling speed.When roll, during the worst situation of inverted 360 degree scopes; as long as in above-mentioned design-calculated rated value scope; child's seat can not produce the power transmission of above-mentioned prior art; hard defects such as directly stressed are residual; all the time children, pupil are controlled under the care of own limit of life value scope, obtain the safety guard-safeguard of lifesaving!
In like manner, the Chair for children after improving is in various stall during in collision, and is identical with above-mentioned child's effect, can both reach promptly on year-on-year basis, basically and wake up from death, and becomes the safest genuine children's buoyant deck chair.
And for example the present invention is through the acceleration due to gravity analogue test of 15 meters of drop heights, be about to the baby as rapid wear life, again the friable product vacuum bottle dawn is replaced, both rapid wear coefficients are close substantially, after the more double seat of adult being replaced as a square skeleton, again bottle is placed under the intraskeletal three-dimension suspending shape with eight points of high, medium and low fast disconnector bonded assembly, freely land from 15 meters high buildings, the vacuum bottle dawn is harmless as a result.Above acceleration due to gravity acceleration/accel impact value has reached more than the 70Km/h, and the car company that promptly surpasses many countries is made the trial value of Automobile Dynamic collision.Prove that therewith such scheme is feasible, effect is believable, and is scientific and reasonable, with practical value.
The appearance of this children pupil's buoyant deck chair 2, make in the traffic accident with children, pupil hinder, residual, die, quantity further reduces, the cost step-down of bleeding of traffic accident makes humanly in exploring natural civilization and progressive process, has striden forward a bit again.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the plan structure schematic diagram of child's lifesaving safe chair of the present invention.
Fig. 2 is the plan structure schematic diagram of pupil's lifesaving safe chair of the present invention.
Fig. 3 is that school's school bus is installed above aggregation type, the structure principle chart of three-dimension suspending pupil lifesaving safe chair.
Fig. 4 is that Fig. 3 roof shearing resistance plane framework is a high speed rejector component part structure principle chart.
Fig. 5 is the movable elasticity clamping device of adult seat backrest, the hook structure schematic diagram.
Fig. 6 is the adult seat backrest, the fixed type wedge-shaped card, and hook or gong connect the hook structure schematic diagram.
Fig. 7 is a power between each embodiment disconnector and the additional anti-inefficacy disconnector, natural from low to high transition scheme drawing.
The specific embodiment
In Fig. 1, one end of high speed rejector, upper and lower, eight angles that adapt, front, rear, left and right with the double seat 3 of adult are connected earlier, the other end, join with an end of middling speed disconnector 7, one end of the other end of middling speed disconnector 7 and low speed disconnector 4 joins, and 4 the other end, again with upper and lower, corresponding eight corner connections in front, rear, left and right of Chair for children 2.To form the equidistant forced stroke that its each disconnector launches of deacclimatizing, make eight stressed unanimities in angle.The lower end of Chair for children 2, the cantilever step 5 of ining succession.In the original chair 2, also be provided with safety strap, the oblique angle, upper end of its safety strap 6 partly is connected in backrest one side of seat 2, and the lower end is connected in seat 2 backrest root both sides, and the safety strap 6 of shank then with before the backrest root two sides of seat 2 a bit is connected.And positioning rope 8, one ends of Chair for children 2 then with adult double seat 3 upper and lower, eight angles, front, rear, left and right join.Because middling speed disconnector 7 with high speed rejector 1 and lifesaving safe chair 2 and positioning rope 8, is supporting mutually between them, be used in combination, promptly form the chain relation, between these several persons, left the either party, all can not achieve the above object, effect, so shared same seat 2.The present invention utilizes the connection of the stressed spring of several differences, realizes the conversion of stressed variation, when extension spring starting stroke, after transmission is stressed, increase the weight of gradually with increase, the driver element of stroke are stressed, thereby power is by little extremely big transition.
Embodiment 1
The value of child's high speed rejector, when selecting the described first kind of vehicle mass in back, collision velocity, it is 1-4 year, the child of 18 kg body weight, can produce about 2000 kilograms collision impact, if safety strap deceleration impulsive force is for being 1000 kilograms after half, this value is as the value basis of maximum working load; Minimum working load, value is 40 kilograms, (child's limit of life value is 4 G, and G is an acceleration due to gravity, this value ginseng back.The child of middling speed above-mentioned speed per hour of when collision, quality can produce about 80 kilograms impulsive force (it is 40 kilograms after half that safety strap subtracts power), and this value is as the maximum working load value of middling speed disconnector; Minimum working load is taken as 20 kilograms approx; When being low speed, above-mentioned child can produce about 40 kilograms impulsive force, (establish safety strap and subtract power for being 20 kilograms after half) working load; Minimum working load, be similar to and be taken as 10 kilograms, (child less than normal is safer, cause also comprises 1 years old child), as the design principal parameter of low-speed tensile spring, other parameter, as: the range difference between seat 3 and the child's chair 2, determine each spring of equal length of equidistant seat 2 again according to the concrete size between them, the locking rope of seat 2 is with above-mentioned 72 kilograms of values.In fact, during stall, power is turning to and the car body by brake, and the impact force of seat has deducted half, because of being provided with safety strap, so again inertia, impulse force are deducted half.
When the pupil was 4 to 6 years old, body weight was selected 25 kilograms, and as calculating by the back formula, the value of collision velocity and acceleration due to gravity is bigger than normal, certainly will cause little occupant injury, adopts the target assumption method to design fast crashworthness here (by the limit of life value of 4 G).Deducted the acceleration/accel G value after safety strap subtracts 50% inertia impulsive force herein.As being 6-14 year as the pupil, body weight is more than 18 to 40 kilograms the time, be similar to and be taken as 10 G gravity acceleration value, get body weight and elect 30 kilograms (comprising the chair quality) as, its positioning rope 8 is formed 300 kilograms by eight points and is made a concerted effort, and removes to bear the impulsive force of moment, above each point, can select for use 40 kgf values to make positioning rope.In like manner above-mentioned all the other positioning rope methods to set up identical (polyester-cotton blend card rope 7mm40 kilogram) should be provided with eight, to adapt to the arbitrary collection that unordered collision the time is formed per four one group.In like manner, considering by above-mentioned 1-4 year of 4-6 year considered from security standpoint.The above-mentioned collision of 6-14 year pupil can produce about collision impact power (slow down half after, by 1500 kilograms) more than 3000 kilograms, makes maximum working load, and minimum working load is taken as 300 kilograms, Gu consider that 6 years old pupil is arranged, so get intermediate value.The middling speed collision can produce 300 kilograms of collision impacts (slowing down half by 150 kilograms) and make maximum working load, and minimum working load is by 80 kilograms of values.
In above-mentioned each extension spring disconnector, be anti-low speed collision, during spring stress, produce permanent failure, and above-mentioned various in, outside the low speed collision disconnector forced stroke, set up in bigger spacing of power, low speed disconnector 18, and its stroke should be slightly long than former stroke, promptly in first, the work of low speed disconnector finishes, the moment of setting up is promptly played the supplementary function of power, make its power rapidly by low middling speed or the middling speed of transitting to at a high speed, as in the various embodiments described above spacing, the low speed disconnector should be done the extension spring replacement by the soft band of first-selected equicohesive rubber, after its high resiliency external force elimination, again can very fast reinstatement.Its strength test method is tried to achieve in the patent specification of available Japanese's application in January 7 in this year or with measurement method.
In like manner, when the above-mentioned rated value of selecting not simultaneously, and produce different variations; When the young pupil that is 4 to 6 years old, wherein the low end value of 6 years old left and right sides pupil's body weight is overlapping with the high end value of child's body weight; So above-mentioned disconnector can exchange.And above-mentioned inefficacy disconnector be located at corresponding in, low disconnector two ends.
Because during the stall collision, pupil in the car gathers chair, be to form the back of making a concerted effort to do uniformly retarded motion with car, so with respect to a pupil, pupil's impact energy quantitative change of gathering chair on the whole is big, promptly again because intervention high, the middling speed disconnector has been arranged, seat is unsettled, so low-disturbance power, and after having offset the part impact energy, become safer, insurance.The selection of its set positioning rope, with above value, promptly the pupil is in the first road positioning rope, middling speed, high speed rejector and low end value all the time, and under the lifesaving of safety strap etc. several " safety net ", comprehensive safety is takeed good care of them.
Pupil when the age at 6 years old to 14 years old, body weight when taking school bus, also can be used this seat more than 18 kilograms.At this moment, this seat is by high speed rejector, middling speed disconnector, and save one's life positioning rope and three-dimension suspending are gathered the seat four of saving one's life and partly formed.In Fig. 3, the abnormity of high speed rejector 1 for adapting, and be compositions such as corresponding stress (promptly identical) and shearing resistance plane framework 9 with former framework cross section, and this framework is set up the front or rear face at former framework, it links to each other with former framework, and leave the crusherbull zone distance, around the front of former framework, be provided with corresponding deceleration energy absorber 13; And at each single whole eight angle of up, down, left, right, before and after of separating seat 2 of car, be provided with height, middle speed reducer 1,7, its initial and end is informed of a case mutually, eight angles of top, bottom skeleton 11 link to each other in its end and the car, the other end joins with the single unitary set cellular-type of three-dimension suspending children seat 2 corresponding eight angles again.And in the both sides, backrest top of front-row seats 2, a cantilevered variable section strut bar 12 respectively is installed, it extends upwardly to roof, after making the abnormity that adapts with inner wall shape again, extend forward again, and reserve end, so that its two diagonal angles, top are connected with cooresponding middling speed disconnector 7 and locking rope.Positioning rope 8 by 30 kilograms, makes a concerted effort to select positioning rope 8 with it by seat quality and the addition of pupil self body weight etc. at last; When the child's shuttle that is 1 to 6 years old kindergarten, buoyant deck chair 2 also can select disconnector 1,7 by body weight provided by the invention approx, and installs side by side with same position; And the three-dimension suspending chair 2 of saving one's life is formed by four points and to make a concerted effort to bear, and its two ends all are located at high middling speed disconnector 1,7 same positions, install side by side; The chair 2 and three-dimension suspending is saved one's life, then being connected one has on each movable separation floor, after all seats 2 form single continuous connection, reach at the bottom of the floor around breaking away from former floor, reserve behind the corresponding dash clearance unsettled, the gap of its both sides, on the pad with contour fire prevention foam and the board fiber board in seat floor, as moving sidewalk, the overlapping intersection of intermediate floor forms the continuously active formula, under the constraint of above-mentioned each disconnector, become three-dimension suspending shape seat 2, between per two pupils, be located at seat separator of battery plates 14, clamping device 15, and hole 10, the wedge shape hook that is spirally connected, or link up with 16, safety strap is provided with same Fig. 1.Energy-absorbing headrest 17 is located at seat 2 backrest tops.Above aggregation type pupil buoyant deck chair 2 because be located on the passenger vehicle, because of quality is big, compare with manned vehicle, during identical stall collision, impact energy is also big, so above-mentioned roof end is established the stressed wall of anti-collision energy absorption one more, promptly protection barriers of establishing one more.Among the present invention, the height in each single seat, middling speed disconnector extension spring all calculate by four angles and make a concerted effort, and are provided with eight during the location; When any direction bumps, because of contact surface produce pressure, thrust wherein four moments recover again after losing efficacy, by corresponding in addition four form make a concerted effort to come oppositely stressed.In each children, the single seat of pupil, be with among the present invention, the sole mass separately that provides is taken advantage of single quantity again, as calculating the value basis.
The value of high speed rejector 1, during owing to self-propelled vehicle generation stall collision, majority is to surpass design speed per hour and quality, so, select market capacity bigger here, being less than or equal to more than the 120Km/h is first kind, speed per hour is second kind at 120Km/h to 160Km/h; If quality is 1000 kilograms, homogenous quantities, speed crashes.Extension spring in above-mentioned height, the middling speed disconnector can carry out equal strength, etc. the effect displacement, can join following patent applied for.
As upper and lower at the above-mentioned selected high, medium and low speed collision rated value of the present invention, and the upper and lower transition adjustment of making approximate value of pupil's the limit of saving one's life, there have not been great meaning and value, because itself be approximate collision, its eventuality is too many.Each disconnector of the present invention has comprised above-mentioned various eventuality.
Embodiment 6
Be suitable for the rope system example that above-mentioned various seats can directly be selected plying for use or make a concerted effort: 26 kilograms in polyester-cotton blend card rope 4 (mm); 16 kilograms of 3 (mm); 8.5 kilograms of 2 (mm); 3/3,10.2 kilograms of jute strand envelope curve 335 * 3 spies; 9.5/6 centimeter 15 kilograms of extend protection harness cord threads, superfine 191 kilograms of abaca rope 12.6 (mm), 117 kilograms of middle ranks, 112 kilograms of second class; 242 kilograms of PP bundling ropes, 314 kilograms of Φ 4 cold-drawn wires more than are the tension limit of this rope.
The computing formula of the extension spring among above-mentioned child and the pupil and disconnector etc. principle, etc. scheme, etc. the displacement of quantity, can apply on January in this year 7 with reference to the inventor: the patent specification of the safe baby seat of the three-dimension suspending after the separated device of high, medium and low speed collision separates.
In above-mentioned all embodiment, the geometric parameter during the high speed rejector extension spring calculates, as forced stroke h, critical altitude H
2, and space constraint, or individual pen deflection f
1, individual pen forced stroke f
2Length of run L etc., should be with the seat of selected actual installation vehicle, behind three-dimension suspending, measure the approaching substantially full size of seat and eight angles of car body up, down, left, right, before and after again, just can determine actual working diagram of answering processed springs, and technical requirements, just can reach equidistant, etc. actual effect such as stressed, last.In eight springs of every set seat, the length of run L of eight springs, should be long and short unanimity, still, each manufacturer's vehicle, seat and interior space, physical dimension, vary, can't unify unanimity, more can not with in, the low speed disconnector is connected, in sum, so only with actual conditions, according to the aforementioned known conditions that provides, determine above-mentioned high, medium and low fast disconnector spring again.
Remove this; also should be about to the patent of invention of application with the inventor: prestress parts deceleration self-locking device reaches the friction peace method for making of contacting to earth on every side with center of gravity and matches; in the time of just making the stall collision; with unordered collision, be transformed into and meet reasonably in order collision of mechanics, power is passed the earth; and be consistent with the dynamic mechanical axiom; on year-on-year basis: big impulsive force is diminished, and strong dies down, and can obtain significant safety guard-safeguard effect again.
Embodiment 9
During children pupil manned vehicle stall collision, also can determine or reference by the momentum theorem formula in the following physics, the maximum working load of its high speed rejector: when establishing collision, this body distortion 0.55m, the speed of a motor vehicle as mentioned above, children, pupil's body quality such as above-mentioned can be similar to and obtain the average impact that children, pupil are subjected to; If little occupant is the run duration t of uniformly retarded motion, the speed Vo ≈ 34m/s during known collision; According to displacement formula
Again according to momentum theorem formula, power F=mv
o/ t (establish safety strap deduct impulse force half), the supposition of first kind of situation.(second kind of situation in like manner)
That anti-burst high-speed crash makes is low, middling speed 4,7 lost efficacy and establish touch wall rope 19, it is located at seat 2 anistree ends, the other end is located at 1 lower end, its length is 4,7 total lengths after launching, rope stress equates with 1.During collision, little occupant's deceleration/decel also can be determined or reference by following formula.A=V
2/ (2s)=m/s
2G is an acceleration/accel, and with the ratio of weight, the value of acceleration due to gravity is 9.8m/s
2V is a collision velocity; The distance of car crumple when S is collision.
Embodiment 11
As pressing above-mentioned several supposition speed per hours, Mass Calculation; high, middling speed collision disconnector value is bigger than normal; at this moment; can only need to be provided with, promptly suppose a peak, again by the limit of life value that little occupant is provided less than aforementioned vehicle stall collision by structure; remove to calculate spring etc. parameter; like this, with above-mentioned prior art on year-on-year basis, can protect the life of Theravada person's fragility equally.
When quality is 1000 kilograms, speed per hour is 120Km/h, with homogenous quantities, during with the car generation head-on crash of speed per hour, be equipped with among Fig. 1, positioning rope 8 on pupil's buoyant deck chair 2, the moment of this moment, under the inertia of remainder and component effect at first fracture, and make way for separating force, high, middling speed disconnector 1,7 impingement area, relative other four disconnectors are because non-collision face disconnector 1,7 become reversing sense with impingement area, and apply damping, resistance, buffering, its inertia that causes and impulse force partly or are all offset, thus the condition of bounce do not had, and four disconnectors 1 of impingement area, 7 moments, only bear impact pressure, thrust, promptly be not subjected to pulling force, and lost efficacy, moment recovers stressed.And the low end value of high speed rejector 1 also produces identical dynamic effect with middling speed disconnector 7 simultaneously.Because safety strap 6 deducts inertia half (actual in half) simultaneously, impulse force also reduces half immediately, like this, buoyant deck chair 2 fwd power, through several deceleration, the component wall, from low end value, reach in the limit of saving one's life again or high-revolving another low end value it, fundamentally prolonged the stressed time of pupil on the buoyant deck chair 2, in fact, the pupil is not subjected to fatal impact in aforementioned rated value scope, when above-mentioned car generation side collision or when being bumped, through car body and adult seat 3, when being passed to the high speed impact energy absorbing on pupil's chair 2, majority has been the middling speed energy, adds that buoyant deck chair 2 has become unsettled damping, the buffering shape, do not had bounce this moment, has only partly to apply damping from reversing sense through control, the remaining component in buffering back, promptly young, component in pupil's limit of life value, and buoyant deck chair is under the plastic state.When worst collision takes place, vehicle is rolled, or the sloping bank height that falls, the impulsive force energy of generation, less than, when equaling aforementioned rated value, promptly be inverted 360 when spending, the pupil is safety still.Smaller or equal to speed per hour 160Km/h, quality is 1000 kilograms a same fast head-on crash as generation, and its dynamic process is same as described above.All the other are as the collision process of the pupil of school shuttle etc., with above-mentioned similar, so, this seat 2 become real can be when stall, lifesaving, the safe chair of saving one's life.
Claims (10)
1, a kind of disconnector of anti-high-speed crash is characterized in that: by high speed rejector one end that rated value is formed, upper and lower with the double seat of adult earlier, eight angles, front, rear, left and right link to each other.
2, a kind ofly required the disconnector institute bonded assembly middling speed disconnector of 1 described anti-high-speed crash by aforesaid right, it is characterized in that: by the middling speed disconnector that rated value is formed, the tail end of its head end and high speed rejector joins.
3, a kind ofly required 2 described middling speed disconnector institute bonded assembly low speed disconnectors by aforesaid right, it is characterized in that: the low speed disconnector of forming by rated value, its head end links to each other with the tail end of middling speed disconnector, and the additional disconnector that anti-low speed lost efficacy, it is stressed bigger than former low speed, stroke is long, and it is located at the corresponding connection location in low speed disconnector two ends.
4, a kind ofly required the 3 described low speed disconnector bonded assembly three-dimension suspending child of institute lifesaving safe chairs by aforesaid right, it is characterized in that: the tail end of each low speed disconnector, join with eight angles of the corresponding up, down, left, right, before and after of three-dimension suspending child lifesaving safe chair, and the shared same seat of high, medium and low speed collision; And the lower end of child's seat, the cantilever step of ining succession; In seat, also be provided with safety strap in addition, the oblique angle, upper end of its band partly is connected in the backrest upper inner of seat, and the lower end is connected in back of seat root both sides, the safety strap of shank, then the backrest root two sides with seat a bit join.
5, a kind of three-dimension suspending pupil lifesaving safe chair, it can require 4 described low speed disconnector of displacement and three-dimension suspending child lifesaving safe chairs with aforesaid right, it is characterized in that: the low end value of this pupil's body weight and the high end value of above-mentioned child's body weight are overlapping, and in the middling speed disconnector, anti-speed of a motor vehicle collision energy is equal to.
6, a kind of by described low speed disconnector of the claim 5 of replacing and three-dimension suspending pupil lifesaving safe chair, three-dimension suspending pupil lifesaving safe chair beyond the high end value of its child's body weight is overlapping, it is characterized in that: eight angles of this Chair for children up, down, left, right, before and after, corresponding continuous with the middling speed disconnector head end that rated value is formed.
7, a kind ofly required 6 described low speed disconnectors and three-dimension suspending pupil lifesaving safe chair by aforesaid right, it is characterized in that: the middling speed disconnector of forming by rated value, its head end links to each other with the tail end of high-speed crash disconnector, and this tail end, again with eight corner connections of the double seat up, down, left, right, before and after of corresponding adult; The additional middling speed disconnector that anti-middling speed disconnector lost efficacy, stressed bigger than former middling speed, stroke is long, and it is located at the corresponding connection location in middling speed disconnector two ends, and high, the shared same seat of middling speed disconnector; In the lower end of Chair for children, the cantilever step of also ining succession; And in seat, also be provided with safety strap, the oblique angle, upper end of its band partly is connected in the outside, backrest top of seat, the lower end is connected in back of seat root both sides, the safety strap of shank, then with a bit be connected before the backrest root both sides of seat; Positioning rope one end of Chair for children, then upper and lower, corresponding eight angles, front, rear, left and right with the double seat of adult are each disconnector, link to each other side by side, the other end joins with eight angles of the corresponding up, down, left, right, before and after of Chair for children.
8, according to the disconnector of the described anti-high, medium and low speed collision of claim 1 to 7 and three-dimension suspending children, pupil's lifesaving safe chair, it is characterized in that: this lifesaving safe chair, can be common to the school bus of school, child's shuttles of kindergarten etc. are promptly undertaken using on improved children, the pupil's special vehicle by such scheme.
9, according to the disconnector of the described anti-high, medium and low speed collision of claim 1 to 7 and three-dimension suspending children, pupil's lifesaving safe chair, it is characterized in that: each disconnector of this buoyant deck chair, by corresponding spring formula: have initial tension, no initial tension or reference book etc. to determine.
10, according to the disconnector of the described anti-high, medium and low speed collision of claims 1 to 7 and three-dimension suspending children, pupil's lifesaving safe chair, it is characterized in that: each disconnector of this buoyant deck chair, can be by the rated value of setting, and corresponding construction measure is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022708 CN1704282A (en) | 2004-06-04 | 2004-06-04 | Separator for preventing collision in high, normal and low speed and three-dimensional hanging life-saving safety chair for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022708 CN1704282A (en) | 2004-06-04 | 2004-06-04 | Separator for preventing collision in high, normal and low speed and three-dimensional hanging life-saving safety chair for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1704282A true CN1704282A (en) | 2005-12-07 |
Family
ID=35576137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410022708 Pending CN1704282A (en) | 2004-06-04 | 2004-06-04 | Separator for preventing collision in high, normal and low speed and three-dimensional hanging life-saving safety chair for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1704282A (en) |
-
2004
- 2004-06-04 CN CN 200410022708 patent/CN1704282A/en active Pending
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