CN106004558A - Headrest buffer type safety seat - Google Patents
Headrest buffer type safety seat Download PDFInfo
- Publication number
- CN106004558A CN106004558A CN201610434907.8A CN201610434907A CN106004558A CN 106004558 A CN106004558 A CN 106004558A CN 201610434907 A CN201610434907 A CN 201610434907A CN 106004558 A CN106004558 A CN 106004558A
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- China
- Prior art keywords
- spring
- seat
- head
- assembly
- backrest
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2803—Adaptations for seat belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2839—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a front guard or barrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2884—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle with protection systems against abnormal g-forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Seats For Vehicles (AREA)
Abstract
According to the technical scheme, the invention relates to the field of child safety seats. Spring dampers are additionally arranged in components like a base, a backrest and a headrest of a child safety seat, so that buffering and energy absorption during collision are facilitated, and harm to the body of a child from collision can be reduced. Meanwhile, FIX unlocking and pedal and safety belt assemblies of the seat are optimized, and practicability is achieved; and an anti-splashing assembly is additionally arranged, so that harm to the child from splashing substances during collision is avoided.
Description
Technical field
The present invention relates to child safety seat field, be specifically related to buffer-type safety seat of resting the head on.
Background technology
Human civilization and the progress and development of science and technology, make us have the vehicle of various different purposes, operate in different field with speed by different way.When these vehicle accidents collide, occupant will be in mechanical impact load's environment, and under the inertia force effect with contact force, partes corporis humani's tissue will produce corresponding biomechanical response.Once tissue exceedes and can recover the limit, to cause solving brokenly disorganization or making normal physiological function impaired, decay or forfeiture, i.e. cause permanent damage, as fracture, tendon ligament rapture, Viscera rupture, silt are swollen hemorrhage, and cerebral concussion causes intracranial hemorrhage, faintness, nervous system is obstructed or blocks is lethal dying.For this to vehicle occupant: such as spaceman, opportunity of combat driver, the F1 equation emergent safety guard such as driver, automobile passenger (including child) of competing for speed arises at the historic moment.
The technology of comprehensive existing various safety guards, cuts both ways.Although these safety guards play certain protective effect in relative velocity interval; but injury to occupant can not be greatly lowered; huge pressure will be born in human body and safety guard component contact position; being to cause tissue to be subject to damage in various degree, existing safety guard technology is analyzed by let us one by one:
1. spaceman safety guard uses technology: when spaceman lift-off and return ground; its acceleration and deceleration are the biggest; though using stress benzvalene form chaise longue, use honeycomb aluminum dorsad to subside; broaching; the energy-absorbing cushion techniques such as tube extruding consume impact energy to protect spaceman safety; but the variable angle that spaceman produces relative to centrifugal force in running, make spaceman stress deviate preferable its component of damping, buffering track and still spaceman is produced impact injury.
2. pilot; F1 equation compete for speed driver's safety guard use five-point type constraint technology: five-point type constraint technology be restriction occupant's displacement; prevent and vehicle components generation direct collision; inertia force is dispersed to driver and crew two take on, costa sternales, two thigh hipbone and crotches; increase stress point face, reduce the pressure of unit are.Use the energy-absorbing expanded material intussusception impact energys such as EPP simultaneously; but these technology can only play certain protective effect in relative velocity interval; but head by five-point type restraint system spacing time still to direction of motion displacement, cervical vertebra tendon ligament will be caused damage by its head inertia force.When crossing shock peak value, occupant also will be brought secondary injury by its counteracting force, when particularly headrest is clashed in head back motion, can cause cerebral concussion, cause multiple physiology to reflect.
3. child safety seat preposition watch box security protection technology: children's safety preposition watch box technology: this technology uses large area to stop displacement mode; human body impact force action is made to reduce unit pressure in large area cushion pad; head displacement may act on this device cushion pad; play head cushioning effect to reach to prevent cervical vertebra cervical muscle ligament injury; but this method makes human body thorax abdomen stress but unfavorable to internal organs; and because of undirected upper force constraint, cause human body to be scurried out from preposition watch box fetters and lead to a disaster.Again because of individual variation, head contacts with preposition watch box and does not ensures that and accurately strike on preferable cushion pad, and head is likely to strike on preposition watch box skeleton, be likely to result in lisp, cervical spine injury.
4. inflated portable safety guard: inflated portable safety guard, though have its dropped stitch fabric of volume I sheet-prevalent not yet develop maturation be still so far concept technology always fail listing.
5. automobile safety protector technology: existing automobile all uses the inclined type seat belt technology with air bag to protect driver and crew to reduce injury when clashing into.This protection device can protect driver and crew's life in the range of relative velocity; but occupant can not be protected injury-free; when human body inertia force is bound to the limit by seat belt; huge inertia force would potentially result in clavicle, breastbone, shoulder potassium bone fracture; air bag reaches 300Km/h once opening its speed, head part will be produced great impact, though the most lethal; but its biological respinse can bring to people equally and injure in various degree, as cerebral concussion causes faintness or even intracranial hemorrhage etc..
Summary existing safety guard technology; its technical characteristic is that restriction personnel's displacement prevents human body from directly colliding with vehicle components; padded coaming is utilized to carry out apparatus with shock absorbing; certain protective effect is played in certain velocity interval; if outpacing scope; plus individual variation, it is impossible to ensure occupant safety.
When vehicle collides; occupant how is made to reduce acceleration; i.e. reduce effect on human body pressure; impulsive force can be absorbed; impact energy can be pinned again, personnel's significantly displacement can be prevented, head can be played buffering protection function again; the anti-power of work after impact peak value can be absorbed, the counteracting force secondary damage to occupant can be reduced again.
Protect the safety of occupant to greatest extent, make occupant escape injury and be face great of global each universities and colleges, the manufacturing enterprise of scientific research institution and safety guard and the problem of complexity.
Summary of the invention
It is an object of the invention to provide a kind of with multi-buffer energy-absorbing, reduce impact peak value and effectively can protect the juvenile safety seat of damage of splashing.
For reaching object above, the technical scheme that the present invention takes is:
Headrest buffer-type safety seat, including base assembly and backrest assembly, backrest assembly is articulated with base assembly, by spring buffer sleeve connection between backrest assembly and base assembly, one end of spring buffer sleeve is articulated with base assembly, and the other end of spring buffer sleeve is articulated with backrest assembly；
Described base assembly includes two parallel square tubes of lower floor, two parallel buffering slide bars on upper strata and seat board, is connected by least two connecting shafts are fixing between side cross tube, and the afterbody of each square tube is separately installed with ISOFIX jointing；Connected by rotating shaft is fixing between two parallel buffering slide bars, buffering slide bar is correspondingly arranged with square tube, the two ends of each buffering slide bar are formed swing mechanism by the connection that the one group of connecting rod being distributed in its both sides is corresponding with square tube respectively, the bottom of described each connecting rod is hingedly connected to connecting shaft, and the top of each connecting rod is hingedly connected to rotating shaft；The middle part of described each buffering slide bar is respectively equipped with spring groove, being provided with two coaxial springs in spring groove, be provided with spring plug between two springs, spring is squeezed between spring plug and the two ends of spring groove, being connected by base plate slide-bar is fixing between the spring plug of described two buffering slide bars, described base plate slide-bar is connected to seat board；Being provided with extension spring between the square tube of homonymy and buffering slide bar, one end of described extension spring is installed on the afterbody of square tube, and the other end of extension spring is installed on the head of buffering slide bar；
Described backrest assembly includes backrest frames, backboard and safety belt assembly, the both sides on backrest frames top are provided with the kidney slot of level, the head cross-under of backboard has the sleeve pipe of level, the two ends of sleeve pipe are connected in kidney slot, the spring two-way slide bar buffer gear that the both sides of backrest frames are provided with sleeve pipe two ends are connected, the bottom of described backboard is articulated and connected with the afterbody of seat board；The bottom of backrest frames both sides is hinged with the tail end of two buffering slide bars respectively, and the both sides of backrest frames are connected with corresponding buffering slide bar by a spring buffer sleeve respectively；One end of spring buffer sleeve is articulated with the middle part of backrest frames, and the other end of spring buffer sleeve is articulated with the head of buffering slide bar；Described safety belt assembly includes unlocking device fixing band and two shoulder belts, unlocking device fixing band is installed on seat board, its head is provided with seat belt unlocking device, its afterbody is provided with and tightens up actuator, the head of described two shoulder belts is separately installed with tab, tab is connected locking with unlocking device, the afterbody fixed connecting sleeve of two shoulder belts.
Further, the head of described base assembly is provided with pedal assembly, described pedal assembly includes two joints, the rear side of joint is provided with the square linkage section with square tube head fits, on joint, cross-under has screw rod, screw head is fixing with the knob on front side of joint to be connected, and the afterbody of screw rod is connected with square tube；Said two joint extends guide pipe separately down, is connected by the locking depression bar of level between two guide pipes；The bottom of described two guide pipes connects pedal, and the two ends at pedal top connect vertical regulation slide bar, and regulation slide bar is provided with spacing screw, and the bottom of regulation slide bar self-steering pipe is inserted；Described guide pipe is provided with the vertical chute corresponding with spacing screw, and the outside of guide pipe is provided with spacing knob, and the thread segment of spacing knob spins through chute with spacing screw.
Further; the top of described backrest assembly is provided with anti-splashing protective cover assembly; described anti-splashing protective cover assembly includes protective cover mechanism and inspires mechanism; described protective cover mechanism includes left and right fixed support, king wire, fixing steel wire and tarpaulin; described left and right support bracket fastened middle part is hingedly connected to the two sides of backrest frames; fixing fixation with steel wire is installed on the two sides of backrest frames, and the two ends of king wire are fixedly installed in left and right support bracket fastened upper end；The both sides of backrest frames are also separately installed with extension spring and fix seat, and left and right support bracket fastened bottom is fixed with corresponding extension spring to connect between seat extension spring, is provided with folding tarpaulin between king wire and fixing steel wire；The described mechanism that inspires is installed on backrest frames and is positioned at left and right support bracket fastened rear, including sleeve pipe, seat belt and spring two-way slide bar buffer gear, the afterbody of seat belt is socketed on sleeve pipe, sleeve pipe is connected to the horizontal kidney slot of the both sides side plate of backrest frames, the both sides of backrest frames are stretched out at the two ends of sleeve pipe in kidney slot, and the external part of described sleeve pipe contacts cooperation with left and right support bracket fastened epimere；The both sides of backrest frames are provided with tarpaulin and fix seat, and left and right support bracket fastened middle part is articulated with tarpaulin and fixes seat；Described extension spring is fixed seat, left and right support bracket fastened bottom and tarpaulin and fixed seat is angular distribution.
Further, the bottom of described base assembly is provided with a ring unlocking mechanism, a described ring unlocking mechanism includes fixing seat, on fixing seat, cross-under has pull bar, and the head of pull bar is provided with draw ring, and the afterbody of pull bar is wrapped with steel cable, steel cable is fixed on the afterbody of pull bar by hexagon nut with flange, being extruded with the return spring being socketed on pull bar between hexagon nut with flange and fixing seat, the two ends of described steel cable penetrate in square tube from the middle part of square tube, and are connected with the unblock drag hook of square tube afterbody ISOFIX jointing.
Further, the stage casing of two shoulder belts of described seat belt being cased with sliding sleeve respectively that can slide along shoulder belt, the front of described each sliding sleeve is stitched with buffering respectively and protects bag, two bufferings are protected parlor and are connected as an entirety by thread gluing.
Further, the top of described backrest assembly is provided with head pillow mechanism, described head pillow mechanism includes the bearing pin of two levels and the head pillow frame being connected between backrest frames biside plate, head pillow frame is connected to the bearing pin and horizontally slips on two bearing pins, being enclosed with headrest fabric sleeve on head pillow frame, the two ends of top bearing pin are connected with the inner side of biside plate by two-way slide bar buffer gear respectively.
Further, described two-way slide bar buffer gear includes throw-out lever, stage clip and fixing slide carriage, described fixing slide carriage is installed on backrest frames and rotates on backrest frames, the head of throw-out lever is articulated with the external part of sleeve pipe, the afterbody of throw-out lever is connected to fixing slide carriage, stage clip it is socketed with on throw-out lever, described stage clip is squeezed between the head of throw-out lever and fixing slide carriage, the outer side covers of head pillow frame has headrest fabric sleeve, headrest fabric sleeve is EPP expanded material, and headrest fabric sleeve side arranges some through holes.
Further, described base assembly is provided with ratchet Suo Neng mechanism, described ratchet Suo Neng mechanism is installed on the afterbody of base, and described ratchet Suo Neng mechanism includes ratchet and the lock hook with click-fit, and described ratchet is arranged at the head of the connecting rod of base tail end, ratchet is integrated part with the connecting rod of tail end, described lock hook is installed on the two sides of square tube by short axle, and lock hook can rotate around short axle, and short axle is cased with torsion spring, the two ends of torsion spring are connected with lock hook, and junction point is distributed in the both sides of lock hook center of rotation.
Further, described base assembly is provided with lock-stopping hinge mechanism, lock-stopping hinge mechanism is installed on the head of base, lock-stopping hinge mechanism is installed on square tube front end and in the slewing area of front rod, lock-stopping hinge mechanism includes the left and right voussoir arranging lining, left and right voussoir is installed in the mounting groove of square tube front end, the head of two voussoirs is articulated with square tube through screw, more than one stage clip it is extruded with between two voussoirs, the lozenges of voussoir overhangs from the two sides of square tube, and the peak of the tapered ramp of voussoir is near the head of square tube.
Further, the both sides of described base top are separately installed with handrail, described handrail includes inner side wire loop and the outside wire loop of trapezoidal shape, described inner side or outside wire loop are reinforced by many steel wire welds with intersecting in length and breadth respectively and are formed steel wire plane, the first half of described inner side or outside steel wire plane all tilts inside seat, the bottom of described medial and lateral wire loop is fixing with supporting slider respectively to be connected, and is connected by fixed plate is fixing between the top of medial and lateral wire loop；The outer wrap of described handrail has EPP expanded material fabric.
Further, being separately installed with side protection inside the two of described backrest frames, the protection of described side includes the mesh skeleton of steel wire composition, and the outside of mesh skeleton is enclosed with EPP expanded material fabric.
Yet further, described seat board and backboard are all enclosed with EPP expanded material fabric.
After taking above technical scheme, the invention have the benefit that
The multi-buffer body that the present invention is made up of base assembly, backrest assembly, pedal assembly, a ring unlocking mechanism, anti-splashing protective cover assembly, safety belt assembly, head pillow mechanism etc..Utilize the combination of Shang Xu mechanism, the organic assembling that the artificial Ge Bu elastic damping mechanism causing seat produces relative displacement (i.e. adding multiple elastic damping inertial system) these elastic damping systems with base produces relative displacement and changes the direction of power, make these multiple buffer gears by impulse inertia power dissipation to the sub-agencies of each elastic damping, instantaneous maximum impact peak value is allowed to increase in seat movement travel change, the acceleration of unit interval significantly reduces, the normal pressure that i.e. human body and seat contact point impact significantly declines, and part impact energy can be pinned in the middle of lockable mechanism the release of counteracting force energy to reduce the active force of secondary injury.Its automatic synchronization safety guard utilize self inertia add seat belt drive backboard axle make a concerted effort overcome automatic synchronization safety guard mechanism spring energy, open rapidly within the extremely short time, when splash not yet flies out, human body covered and reached to protect an occupant from its evil.Ad hoc adjustable footrest mechanism, is unlikely to leg and hangs for a long time when taking for a long time, causes compressing leg blood vessel, causes blood flowing the most freely to cause numbness and discomfort, promotes the stability of children's ride-on, comfortableness simultaneously.
1. a ring unlocking mechanism only need to pull draw ring to unlock when unlocking, and dismounts efficient and convenient.Avoid existing various safety seat must in narrow and small motor space with the hands rear portion at seat draw to dial and unlock office, operation is convenient；
2. the detachable square tube head being installed on base of pedal assembly, can dismantle as required and install, pedal can move up and down and be adjusted to suitable position, the stability making children's ride-on is unlikely to long-time leg suspension compressing leg blood vessel and causes blood flowing the most freely to cause numbness and discomfort, improves children's ride-on comfortableness.
3. seat buffering energy-absorbing mechanism structure principle: seat assembly buffering energy-absorbing mechanism is made up of base assembly, backrest assembly, spring buffer sleeve, seat board, backboard, two-way slide bar buffer gear, seat belt.
When colliding, except the square tube of base is locked by ISOFIX, the inertia force of remaining upper parts and child's gross mass forces seat anterior displacement, first linkage is complied with upwards anterior displacement, seat and is anteriorly lifted from the parallel above position of buffering slide bar, when moving further along, after when short connecting rod decline and cause whole seat to rotate an angle, make inertia force forward resolve into two component forward and up, reduce seat belt and act on the pressure on two shoulders.
Human body inertia force forward pulls sleeve pipe through seat belt, and buffering energy-absorbing function is played in the compression of the spring stress of two-way slide bar buffer gear, and seat belt acts on human body two and takes on stress and buffered.After quill crosses the dead point of two-way slide bar buffer gear, discharge at spring tension, backboard axial preacceleration displacement, act on human body two to take on stress and unloaded, when backboard axle moves to the front end of kidney slot, sleeve pipe drives backrest frames, relative to the pin joint of base, rotation forwards occurs, and the spring buffer sleeve between backrest frames and base is compressed, and plays again buffering energy-absorbing damping action；Meanwhile, on seat board, the base plate slide-bar of cross-under also simultaneously works as buffering energy-absorbing function under the damping action of real estate management's inner spring.
When shock reaches peak value, counteracting force backward will be produced when i.e. seat moves forward to extreme position, spreading formula lock-stopping hinge moves band ratchet and ratchet latch hook simultaneously and hooks and close after opening restriction front rod, all movement parts counteractive inertia total amount of seat upper portion will be locked out and limit its displacement and reduce reaction punch power.Now side plate, backboard, seat board certainly will chest-to-back acceleration displacements under releasable counteracting force in spring buffer sleeve, square tube inner spring and two-way slide bar buffer gear spring; human body also will accelerate position backward under counteracting force; because of displacement in the same direction; its speed difference is substantially reduced causing human body pulling force in the case of seat belt is pulled back; remaining impulsive force is again by the spring of two-way slide bar buffer gear; and the bidirectional spring in square tube buffers further; reducing the load of secondary pulse to greatest extent, effectively protection human body sustains damage.
4. back pad seat cushion combination, headrest bolster structure are combined with EPP expanded material by surface fabric, this pad ergonomically form Design is also equipped with some through holes, seat cushion is acted on once human body, its compression area deforms rapidly, parcel supports body surface area to greatest extent, reduce unit are pressure, add that backboard pond, seat board pond built-in foam pad compound action sufficiently reach energy-absorbing buffering effect, reduce the peak pressure acting on human body to greatest extent.Headrest bolster presses human body head form force design, is equipped with some through holes at headrest periphery, and being allowed to deform when head and headrest collision well can fit with head soon reduces the pressure of unit are.
Simultaneously when there is side collision, the through hole that headrest bolster side is arranged can prevent child's ear pressure of external ear road gas compression when clashing into, skyrocketing of reduction external auditory meatus gas column pressure, can prevent tinnitus, tympanic member perforation.
5. safety belt assembly one key unlocks subsidiary head displacement energy-absorbing bag buffering restraint system structural principle
Seat belt bilateral shoulder belt upper end is connected with backboard axle, and lower end around under seat board through seat belt unlocking device, constitutes a key unlock restraint system with tightening up actuator；Head displacement buffer unit is placed on seat belt by safety belt protecting casing, and buffering is protected bag and constituted adjustable entirety with safety belt protecting casing.Do not collide under normal circumstances; buffering is protected bag and is put and give child front and child's lower jaw and have a certain distance; once collide; human body anterior displacement to seat belt fetters extreme position, and (i.e. seat belt is tightened human body and is no longer moved forward by seatbelt restraint; head under inertia force effect still to preshoot; head is because continuing the most forward displacement without constraint; now buffers packet lower jaw with children head is touched; head protects bag in buffering and inhales under flexible situation; effective cushioned head displacement, plays a very good protection to cervical vertebra, the tendon ligament of child.
6. headrest energy-absorbing releases energy buffer gear structural principle
Knowable to child safety seat dummy's crash tests video, when peak value is crossed in collision, can discharge interior with each stress of seat of human body will make child clash into headrest generation to reverse displacement, head with very high acceleration under reaction force acts, can be to cervical vertebra or cerebral concussion equivalent damage.
The present invention utilizes two-way slide bar buffer gear to protect child's cervical vertebra and head.When colliding, once reach to clash into peak value, human body is under the effect of counteracting force, by rapid rearward displacement, back contact back pad is obstructed head still rearward displacement this moment, the headrest buffering energy-absorbing of the present invention and the rocking arm elastic damping mechanism released energy, shock is rested the head on by head when, priming lever spring will be compressed under the effect of counteracting force by headrest, reduced rapidly because headrest damps its speed run backward by spring force, and head and headrest are because moving in the same direction, reduction power acceleration makes head weaken with the impact force contacted of headrest, once exceed priming lever spring compression travel minimum point, spring expansion force makes headrest accelerate rearward displacement, so head will be unloaded with the contact force of headrest.Remaining footprint pressure will be absorbed by headrest Soft Roll (EPP expanded material), make the counteracting force of children head absorb degraded to greatest extent, the secondary injury that children head is caused by effective control counteracting force.
When there is side collision, the rocking arm elastic damping mechanism of headrest will produce lateral displacement, some through holes are set plus headrest soft tip binding bolster (EPP expanded material) side and can prevent child's ear pressure of external ear road gas compression when clashing into, reduce skyrocketing of external auditory meatus gas column pressure, tinnitus, tympanic member perforation can be prevented.
7. automatic synchronization anti-splashing thing safety guard mechanism structure do not collide normal condition time, by two groups, left and right cluster spring) make tarpaulin be in closure state under prestressed effect, the automatic synchronization anti-splashing thing safety guard that once collides overcomes spring (T-15) tension force under the dual function motive force that self inertia power and seat belt pull backboard axle, make the spring line of force exceed tarpaulin and fix axle bed centrage, the contractility of spring will make tarpaulin fully open, cover facing material uses slim Kev to draw bulletproof fabric, this covers on inertia force, belt force, the contractility of spring can fully open under synchronizing to drive in most time, this cover i.e. has spilt prior to splash and has opened, this cover is fully able to the injury preventing splash to occupant, implement protection comprehensively.
If after colliding, when need to save occupant, overcome the tension force of spring to make spring (T-15) line of making a concerted effort exceed tarpaulin and fix axle bed (T-12) centrage as long as lifting tarpaulin bar, the contractility of spring (T-15) tarpaulin will be made to pack up and without locking system (.
8. handrail protects unidirectional elastic endergonic buffer gear structural principle with side
Handrail and side are protected unidirectional elastic endergonic buffer gear and are formed its assembly relation by outside steel wire, inner side steel wire, fixed plate, establishment sheath; human body is when seat Inside To Outside extrudes; the outside deformation displacement of steel wire assembly can be made with less power; when by external force steel wire assembly by displacement inside the phase of outside; once reach leverage movement dead; steel wire assembly then can not be to inner side deformation displacement, admittedly play the effect of protection occupant.
After the technical program, according to the impulsive force curve of laboratory simulation impact test, devise multistage buffer system, working in coordination with by multi-buffer system, the peak value of impulsive force curve when reducing collision, effectively reduces the impact extent of injury for human body；Take into full account the bounce problem after impact peak value simultaneously, utilized twice Suo Neng mechanism and two-way spring buffer mechanism to buffer, simultaneously auxiliary honeycomb EPP lamp softness implant buffering, in order to reduce impact.It is specifically designed anti-splashing protective cover assembly, the splash injury to human body during in order to prevent from clashing into.Buffer gear in the technical program favorably uses inertia active buffer, and when favorably moving forward with human body, a series of passive buffering that seat belt pulls sleeve pipe and touches, bufferings at different levels arrange rationally, and collaborative buffering energy-absorbing, buffering effect is obvious.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of base assembly；
Fig. 3 is the structural representation of pedal assembly；
Fig. 4 is the structural representation of pedal assembly；
Fig. 5 is the structural representation of backrest assembly；
Fig. 6 is the structural representation of safety belt assembly.
Fig. 7 is the original state figure of seat；
Fig. 8 is seat buffer status figure；
Fig. 9 is resilience reset state diagram after buffering；
Figure 10 is the open mode figure of anti-splashing protective cover assembly.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is further described:
As shown in the figure; headrest buffer-type safety seat; including base assembly 1 and backrest assembly 2, base assembly 1 is provided with a ring unlocking mechanism 3 and pedal assembly 4, backrest assembly is provided with handrail 5, side protection 6, safety belt assembly 7, headrest features 8 and anti-splashing protective cover 9 assembly.Backrest assembly 2 is articulated with base assembly 1, is connected by spring buffer sleeve 11 between backrest assembly 2 with total 1 one-tenth of base, and one end of spring buffer sleeve 11 is articulated with base assembly 1, and the other end of spring buffer sleeve 11 is articulated with backrest assembly 2；
Described base assembly 1 includes square tube 101, two parallel buffering slide bars 102 on upper strata and the seat board 103 that two of lower floor are parallel, is connected by least two connecting shafts 104 are fixing between side cross tube 101, and the afterbody of each square tube is separately installed with ISOFIX jointing 105；Connected by two rotating shafts 106 are fixing between two parallel buffering slide bars 102, buffering slide bar 102 is correspondingly arranged with square tube 101, the two ends of each buffering slide bar 102 are formed swing mechanism by the connection that the one group of front rod 107 and one group of back link 108 that are distributed in its both sides are corresponding with square tube 101 respectively, the bottom of described each group of connecting rod is hingedly connected to connecting shaft 104, and the top of each connecting rod is hingedly connected to rotating shaft 106；The middle part of described each buffering slide bar 102 is respectively equipped with spring groove 109, two coaxial springs 110 are installed in spring groove 109, between two springs 110, spring plug 111 is installed, each spring 110 is squeezed between the two ends of spring plug 111 and spring groove 109, being connected by base plate slide-bar 112 is fixing between the spring plug 111 of described two buffering slide bars 102, described base plate slide-bar 112 is connected to seat board 103；Being provided with extension spring 113 between the square tube 101 of homonymy and buffering slide bar 102, one end of described extension spring 113 is installed on the afterbody of square tube 101, and the other end of extension spring 113 is installed on the head of buffering slide bar 102；Seat board 103 is enclosed with EPP expanded material fabric.
Base assembly 1 is provided with ratchet Suo Neng mechanism 114, described ratchet Suo Neng mechanism is installed on the afterbody of base assembly, described ratchet Suo Neng mechanism includes ratchet 116 and the lock hook 117 with click-fit, described ratchet 116 is arranged at the head of the connecting rod of back link 108, ratchet 116 and back link are integrated part, described lock hook 117 is installed on the two sides of square tube by short axle 118, lock hook 117 can rotate around short axle 118, it is cased with torsion spring 119 on short axle 118, the two ends of torsion spring 119 are connected with lock hook 117, and junction point is distributed in the both sides of lock hook 117 center of rotation.
In base assembly, 1 can arrange lock-stopping hinge mechanism 115 selectively, lock-stopping hinge mechanism 115 is installed on the head of base assembly 1, lock-stopping hinge mechanism is installed on square tube 101 front end and in the slewing area of front rod 107, lock-stopping hinge mechanism includes the left and right voussoir 120 arranging lining, left and right voussoir 120 is installed in the mounting groove 122 of square tube front end, the head of two voussoirs 120 is articulated with square tube through screw, more than one stage clip 121 it is extruded with between two voussoirs 120, the lozenges of voussoir 120 overhangs from the two sides of square tube 101, the peak of the tapered ramp of voussoir 120 is near the head of square tube 101.
One ring unlocking mechanism 3 includes fixing seat 31, fixing seat 31 is fixedly installed in the center of the connecting shaft 104 of pan frontward end, on fixing seat 31, cross-under has pull bar 32, the head of pull bar 32 is provided with draw ring 33, the afterbody of pull bar 33 is wrapped with steel cable 34, steel cable 34 is fixed on the afterbody of pull bar 33 by hexagon nut with flange 35, the return spring 36 being socketed on pull bar 32 it is extruded with between hexagon nut with flange 35 and fixing seat 31, the two ends of described steel cable 34 penetrate in square tube from the middle part of square tube 101, and are connected with the unblock drag hook 37 of square tube 101 afterbody ISOFIX jointing 105；
Pedal assembly 4 includes two joints 401, the rear side of joint 401 is provided with the square linkage section 402 with square tube head fits, on joint 401, cross-under has screw rod 403, and screw rod 403 head is fixing with the knob 44 on front side of joint to be connected, and the afterbody of screw rod 403 is connected with square tube 101；Said two joint 401 extends guide pipe 405 separately down, is connected by the locking depression bar 406 of level between two guide pipes 405；The bottom of described two guide pipes 405 connects pedal 47, and the two ends at pedal 47 top connect vertical regulation slide bar 408, and regulation slide bar 408 is provided with spacing screw 409, and the bottom of regulation slide bar 408 self-steering pipe 405 is inserted；Described guide pipe 405 is provided with the vertical chute 410 corresponding with spacing screw, and the outside of guide pipe 405 is provided with spacing knob 411, and the thread segment of spacing knob 411 spins through chute 410 with spacing screw 409；
The both sides at the top of base assembly are separately installed with handrail 5, described handrail 5 includes inner side wire loop 51 and the outside wire loop 52 of trapezoidal shape, described inner side or outside wire loop are reinforced by many steel wire welds with intersecting in length and breadth respectively and are formed steel wire plane, the first half of described inner side or outside steel wire plane all tilts inside seat, the bottom of described medial and lateral wire loop is connected by bolt is fixing with supporting slider 102 respectively, is connected by fixed plate 53 is fixing between the top of medial and lateral wire loop；The outer wrap of described handrail has EPP expanded material fabric.
Backrest assembly 2 includes backrest frames 201 and backboard 202, the both sides on backrest frames 201 top are provided with the kidney slot 203 of level, the head cross-under of backboard 202 has the sleeve pipe 204 of level, in the two ends of sleeve pipe 204 are connected to kidney slot 203 and stretch out from two ends, the spring two-way slide bar buffer gear 10 that the both sides of backrest frames 201 are provided with sleeve pipe two ends are connected, the bottom of described backboard 202 is articulated and connected with the afterbody of seat board 103；The bottom of backrest frames 201 both sides is hinged with the tail end of two buffering slide bars 102 respectively, and the both sides of backrest frames 201 are connected with corresponding buffering slide bar 102 by a spring buffer sleeve 11 respectively；One end of spring buffer sleeve 11 is articulated with the middle part of backrest frames 201, and the other end of spring buffer sleeve 11 is articulated with the head of buffering slide bar 102；EPP expanded material fabric it is enclosed with on backboard 202.
Being separately installed with side protection 6 inside the two of backrest frames 201, described side protection 6 includes the mesh skeleton identical with armrest that interior steel ring forms with outer rim, and the outside of mesh skeleton is enclosed with EPP expanded material fabric.
Anti-splashing protective cover assembly 9 includes protective cover mechanism and inspires mechanism; described protective cover mechanism includes left and right fixed support 901, king wire 902, fixing steel wire 903 and tarpaulin; the middle part of described left and right fixed support 901 is hingedly connected to the two sides of backrest frames 201; fixing steel wire 903 is fixedly installed in the two sides of backrest frames 201, and the two ends of king wire 902 are fixedly installed in the upper end of left and right fixed support 901；The both sides of backrest frames 201 are also separately installed with extension spring and fix seat 904, and the bottom of left and right fixed support 901 is fixed with corresponding extension spring to connect between seat 904 extension spring 905, is provided with folding tarpaulin between king wire 902 and fixing steel wire 903；The described mechanism that inspires is installed on backrest frames 201 and is positioned at the rear of left and right fixed support 901, including sleeve pipe 204, safety belt assembly 7 and spring two-way slide bar buffer gear 10, the afterbody of safety belt assembly 7 is socketed on sleeve pipe 204, sleeve pipe 204 is connected to the horizontal kidney slot 203 of the both sides side plate of backrest frames, the both sides of backrest frames are stretched out at the two ends of sleeve pipe 204 in kidney slot 203, and the external part of described sleeve pipe 204 contacts cooperation with the epimere of left and right fixed support 901；The both sides of backrest frames 201 are provided with tarpaulin and fix seat 906, and the middle part of left and right fixed support 901 is articulated with tarpaulin and fixes seat 906；Described extension spring is fixed seat 906, the bottom of left and right fixed support 901 and tarpaulin and is fixed seat 906 in angular distribution；
The top of backrest assembly 2 is provided with head pillow mechanism 8, described head pillow mechanism 8 includes the bearing pin 81 of two levels and the head pillow frame 82 being connected between backrest frames biside plate, head pillow frame 82 is U-shaped, head is wrapped up from both sides, head pillow frame 82 is connected to the bearing pin and can horizontally slip on two bearing pins 81, headrest fabric sleeve it is enclosed with on head pillow frame 82, the two ends of top bearing pin 81 are connected with the inner side of biside plate by two-way slide bar buffer gear 10 respectively, , the outer side covers of head pillow frame 82 has headrest fabric sleeve, headrest fabric sleeve is EPP expanded material, headrest fabric sleeve side arranges some through holes；
Safety belt assembly 7 is installed between backrest assembly 2 and base assembly 1, including unlocking device fixing band 71, side, both sides band 73 and two shoulder belts 72, unlocking device fixing band 71 is connected to seat board 103, its head is provided with seat belt unlocking device 74, its afterbody is provided with and tightens up actuator 75, seat belt unlocking device 74 is positioned at above seat board 103, tighten up actuator 75 and be positioned at below seat board 103, the head of described two shoulder belt 72 machine both sides bands 73 is separately installed with tab, tab is connected locking, the afterbody fixed connecting sleeve 204 of two shoulder belts 72 with unlocking device 104.Being cased with the sliding sleeve 76 that can slide along shoulder belt on the stage casing of two shoulder belts 72 of seat belt respectively, the front of described each sliding sleeve 76 is stitched with buffering respectively and protects bag 77, two bufferings are protected parlor and are connected as an entirety by thread gluing 78.
Two-way slide bar buffer gear 10 includes throw-out lever 12, stage clip 13 and fixing slide carriage 14, described fixing slide carriage 14 is installed on backrest frames 201 and rotates on backrest frames 201, the head of throw-out lever 12 is articulated with external part or the head of bearing pin 81 of sleeve pipe, the afterbody of throw-out lever 12 is connected to fixing slide carriage 14, being socketed with stage clip 13 on throw-out lever 12, described stage clip 13 is squeezed between the head of throw-out lever 12 and fixing slide carriage 14.
This seat apparatus has at two and employs two-way slide bar buffer gear, be the bearing pin two ends with head pillow frame at one, be the two ends of backboard sleeve pipe at another.
Traditional children's seat has been done comprehensive innovative form and has improved by the technical program, seat board is hinged in backboard, backboard is hung in kidney slot by sleeve pipe, can seesaw to band damping, seat board is through base plate slide-bar band damping ground slide anteroposterior in base assembly, whole seat, it is in semi-free swing state by system, has buffering degree of freedom and buffer distance fully；Base assembly is divided into square tube layer and buffering slide bar layer, fixing for car of square tube layer, backrest assembly is installed on buffering slide bar, when collision, square tube layer can produce opposing oscillatory forward in band damping ground with buffering slide bar interlayer, and the lock energy device that buffering slide bar layer forwards shows more than one group of back is locked, prevents bounce-back, this is shown action energy-absorbing further and provides buffer distance, unloads power on the direction of inertia force；Backrest assembly can be with the rotation forward of respect thereto assembly generation band damping, and buffering unloads power；Multistage buffering occurs simultaneously, and inertia force direction is by buffering and energy-absorbing the most again, fully reduces the damage of human body.Each buffer damping is bidirectional buffering damping, can improve the suitability.
Being also devised with tripper on this basis, the dismounting making safety seat is convenient；Footstep mechanism, improves the comfortableness taken；Headrest assemblies, provides more protection to head, improves the seat protection when side impact；Anti-splashing protective cover assembly, triggers with buffer system linkage, and moment opens, prevents the injury of splash.
Claims (1)
1. a headrest buffer-type safety seat, it is characterized in that, including base assembly and backrest assembly, backrest assembly is articulated with base assembly, by spring buffer sleeve connection between backrest assembly and base assembly, one end of spring buffer sleeve is articulated with base assembly, and the other end of spring buffer sleeve is articulated with backrest assembly；Described backrest assembly includes backrest frames, backboard and safety belt assembly, the both sides on backrest frames top are provided with the kidney slot of level, the head cross-under of backboard has the sleeve pipe of level, the two ends of sleeve pipe are connected in kidney slot, the spring two-way slide bar buffer gear that the both sides of backrest frames are provided with sleeve pipe two ends are connected, the bottom of described backboard is articulated and connected with the afterbody of seat board；The bottom of backrest frames both sides is hinged with the tail end of two buffering slide bars respectively, and the both sides of backrest frames are connected with corresponding buffering slide bar by a spring buffer sleeve respectively；One end of spring buffer sleeve is articulated with the middle part of backrest frames, and the other end of spring buffer sleeve is articulated with the head of buffering slide bar；Described base assembly includes two parallel square tubes of lower floor, two parallel buffering slide bars on upper strata and seat board, is connected by least two connecting shafts are fixing between side cross tube, and the afterbody of each square tube is separately installed with ISOFIX jointing；Connected by rotating shaft is fixing between two parallel buffering slide bars, buffering slide bar is correspondingly arranged with square tube, the two ends of each buffering slide bar are formed swing mechanism by the connection that the one group of connecting rod being distributed in its both sides is corresponding with square tube respectively, the bottom of described each connecting rod is hingedly connected to connecting shaft, and the top of each connecting rod is hingedly connected to rotating shaft；The middle part of described each buffering slide bar is respectively equipped with spring groove, being provided with two coaxial springs in spring groove, be provided with spring plug between two springs, spring is squeezed between spring plug and the two ends of spring groove, being connected by base plate slide-bar is fixing between the spring plug of described two buffering slide bars, described base plate slide-bar is connected to seat board；Being provided with extension spring between the square tube of homonymy and buffering slide bar, one end of described extension spring is installed on the afterbody of square tube, and the other end of extension spring is installed on the head of buffering slide bar；The head of described base assembly is provided with pedal assembly, described pedal assembly includes two joints, and the rear side of joint is provided with the square linkage section with square tube head fits, and on joint, cross-under has screw rod, screw head is fixing with the knob on front side of joint to be connected, and the afterbody of screw rod is connected with square tube；Said two joint extends guide pipe separately down, is connected by the locking depression bar of level between two guide pipes；The bottom of described two guide pipes connects pedal, and the two ends at pedal top connect vertical regulation slide bar, and regulation slide bar is provided with spacing screw, and the bottom of regulation slide bar self-steering pipe is inserted；Described guide pipe is provided with the vertical chute corresponding with spacing screw, and the outside of guide pipe is provided with spacing knob, and the thread segment of spacing knob spins through chute with spacing screw；The top of described backrest assembly is provided with anti-splashing protective cover assembly; described anti-splashing protective cover assembly includes protective cover mechanism and inspires mechanism; described protective cover mechanism includes left and right fixed support, king wire, fixing steel wire and tarpaulin; described left and right support bracket fastened middle part is hingedly connected to the two sides of backrest frames; fixing fixation with steel wire is installed on the two sides of backrest frames, and the two ends of king wire are fixedly installed in left and right support bracket fastened upper end；The both sides of backrest frames are also separately installed with extension spring and fix seat, and left and right support bracket fastened bottom is fixed with corresponding extension spring to connect between seat extension spring, is provided with folding tarpaulin between king wire and fixing steel wire；The described mechanism that inspires is installed on backrest frames and is positioned at left and right support bracket fastened rear, including sleeve pipe, seat belt and spring two-way slide bar buffer gear, the afterbody of seat belt is socketed on sleeve pipe, sleeve pipe is connected to the horizontal kidney slot of the both sides side plate of backrest frames, the both sides of backrest frames are stretched out at the two ends of sleeve pipe in kidney slot, and the external part of described sleeve pipe contacts cooperation with left and right support bracket fastened epimere；The both sides of backrest frames are provided with tarpaulin and fix seat, and left and right support bracket fastened middle part is articulated with tarpaulin and fixes seat；Described extension spring is fixed seat, left and right support bracket fastened bottom and tarpaulin and fixed seat is angular distribution；The bottom of described base assembly is provided with a ring unlocking mechanism, a described ring unlocking mechanism includes fixing seat, on fixing seat, cross-under has pull bar, the head of pull bar is provided with draw ring, the afterbody of pull bar is wrapped with steel cable, and steel cable is fixed on the afterbody of pull bar by hexagon nut with flange, is extruded with the return spring being socketed on pull bar between hexagon nut with flange and fixing seat, the two ends of described steel cable penetrate in square tube from the middle part of square tube, and are connected with the unblock drag hook of square tube afterbody ISOFIX jointing；Described safety belt assembly includes unlocking device fixing band and two shoulder belts, unlocking device fixing band is installed on seat board, its head is provided with seat belt unlocking device, its afterbody is provided with and tightens up actuator, the head of described two shoulder belts is separately installed with tab, tab is connected locking with unlocking device, the afterbody fixed connecting sleeve of two shoulder belts；Being cased with the sliding sleeve that can slide along shoulder belt on the stage casing of two shoulder belts respectively, the front of described each sliding sleeve is stitched with buffering respectively and protects bag, two bufferings are protected parlor and are connected as an entirety by thread gluing；The top of described backrest assembly is provided with head pillow mechanism, described head pillow mechanism includes the bearing pin of two levels and the head pillow frame being connected between backrest frames biside plate, head pillow frame is connected to the bearing pin and horizontally slips on two bearing pins, being enclosed with headrest fabric sleeve on head pillow frame, the two ends of top bearing pin are connected with the inner side of biside plate by two-way slide bar buffer gear respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434907.8A CN106004558A (en) | 2016-06-18 | 2016-06-18 | Headrest buffer type safety seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434907.8A CN106004558A (en) | 2016-06-18 | 2016-06-18 | Headrest buffer type safety seat |
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| CN106004558A true CN106004558A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610434907.8A Pending CN106004558A (en) | 2016-06-18 | 2016-06-18 | Headrest buffer type safety seat |
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Application publication date: 20161012 |