CN106080306A

CN106080306A - Two-way slide bar buffer-type child safety seat

Info

Publication number: CN106080306A
Application number: CN201610435745.XA
Authority: CN
Inventors: 金余和
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-18
Filing date: 2016-06-18
Publication date: 2016-11-09

Abstract

The technical program two-way slide bar buffer-type child safety seat, relate to child safety seat field, by increasing spring damping in the parts such as the base of child safety seat, backrest, headrest, it is beneficial to buffering when colliding and energy absorption, reaches the injury reducing collision to children's torso.Unlock the FIX of seat, foot-operated, safety belt assembly does and optimizes simultaneously, it is provided that practicality；And add anti-splashing assembly, it is to avoid the splash injury to child during collision.

Description

Two-way slide bar buffer-type child safety seat

Technical field

The present invention relates to child safety seat field, be specifically related to two-way slide bar buffer-type child safety seat.

Background technology

Human civilization and the progress and development of science and technology, make us have the vehicle of various different purposes, with not Different field is operated in mode and speed.When these vehicle accidents collide, occupant will be in a machine In tool shock loading environment, under the inertia force effect with contact force, partes corporis humani's tissue rings producing corresponding biomechanics Should.Once tissue exceedes and can recover the limit, will cause solving brokenly disorganization or making normal physiological function impaired, decay or Losing, i.e. cause permanent damage, as fracture, tendon ligament rapture, Viscera rupture, silt are swollen hemorrhage, and cerebral concussion causes intracranial Hemorrhage, faint, 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.These safety guards are in relative velocity district Play certain protective effect in although, but injury to occupant can not be greatly lowered, human body and safety guard structure Huge pressure will be born in part contact position, be to cause tissue to be subject to damage in various degree, and existing safeguard protection is filled by let us Technology of putting is analyzed one by one:

1. spaceman safety guard uses technology: when spaceman lift-off and return ground, its acceleration and deceleration are very Greatly, though use dorsad stress benzvalene form chaise longue, use honeycomb aluminum to subside, broaching, the energy-absorbing cushion technique such as tube extruding disappears Consumption impact energy is 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 is to limit occupant's displacement, prevents and vehicle components generation direct collision, inertia force is dispersed to driver and crew Two shoulders, costa sternales, two thigh hipbone and crotches, increase stress point face, reduces the pressure of unit are.Use the energy-absorbings such as EPP simultaneously Expanded material intussusception impact energy, 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 Wound.When crossing shock peak value, occupant also will be brought secondary injury by its counteracting force, particularly head back motion impact head During pillow, cerebral concussion can be caused, 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 stops displacement mode, makes human body impact force action reduce unit pressure in large area cushion pad, and head displacement can be made For this device cushion pad, play head cushioning effect and 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 there being volume I sheet-prevalent Its dropped stitch fabric not yet develop maturation be still so far concept technology always fail listing.

5. automobile safety protector technology: existing automobile all uses the technology of inclined type seat belt and air bag to protect Protect driver and crew and 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, and 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 are fractured, and air bag reaching 300Km/h once opening its speed, head part will be produced great impact, though not 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 and delivery work Tool component directly collides, and utilizes padded coaming to carry out apparatus with shock absorbing, plays certain guarantor in certain velocity interval Protecting effect, if outpacing scope, adding individual variation, it is impossible to ensure occupant safety.

When vehicle collides, how to make occupant reduce acceleration, i.e. reduce effect on human body pressure, can absorb Impulsive force, can pin again impact energy, can prevent personnel's significantly displacement, head can be played buffering protection function again, both The anti-power of work after impact peak value can be absorbed, the counteracting force secondary damage to occupant can be reduced again.Protect occupant to greatest extent Safety, making occupant escape injury is that global each universities and colleges, the manufacturing enterprise of scientific research institution and safety guard face Great 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 splashing The juvenile safety seat of damage.

For reaching object above, the technical scheme that the present invention takes is:

Two-way slide bar buffer-type child 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, spring The other end of buffering 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, two sides Being connected by least two connecting shafts are fixing between pipe, the afterbody of each square tube is separately installed with ISOFIX jointing；Two parallel slow Rushing and connected by rotating shaft is fixing between slide bar, buffering slide bar is correspondingly arranged with square tube, and the two ends of each buffering slide bar are respectively by being distributed in it The connection that one group of connecting rod of both sides is corresponding with square tube forms swing mechanism, and the bottom of described each connecting rod is hingedly connected to connecting shaft, 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, is provided with in spring groove Two coaxial springs, are provided with spring plug between two springs, spring is squeezed between spring plug and the two ends of spring groove, described two bufferings Being connected by base plate slide-bar is fixing between the spring plug of slide bar, described base plate slide-bar is connected to seat board；Between the square tube of homonymy and buffering slide bar Being provided with extension spring, 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, and the both sides on backrest frames top are provided with the waist of level Shape groove, the head cross-under of backboard has the sleeve pipe of level, and the two ends of sleeve pipe are connected in kidney slot, the both sides of backrest frames be provided with The spring two-way slide bar buffer gear that sleeve pipe two ends connect, the bottom of described backboard is articulated and connected with the afterbody of seat board；Backrest bone The bottom of frame both sides respectively with two buffering slide bars tail end hinged, the both sides of backrest frames respectively by a spring buffer sleeve with Corresponding buffering slide bar connects；One end of spring buffer sleeve is articulated with the middle part of backrest frames, another of spring buffer sleeve End 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 Being installed on seat board, its head is provided with seat belt unlocking device, and its afterbody is provided with and tightens up actuator, the head part of described two shoulder belts Not being provided 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, and described pedal assembly includes that two connect Head, the rear side of joint is provided with the square linkage section with square tube head fits, before on joint, cross-under has screw rod, screw head and joint The knob of side is fixing to be connected, and the afterbody of screw rod is connected with square tube；Said two joint extends guide pipe separately down, and two Connected by the locking depression bar of level between guide pipe；The bottom of described two guide pipes connects pedal, the two ends at pedal top Connecting and have vertical regulation slide bar, regulation slide bar is provided with spacing screw, and the bottom of regulation slide bar self-steering pipe is inserted；Described lead Being provided with the vertical chute corresponding with spacing screw to pipe, the outside of guide pipe is provided with spacing knob, the spiral shell of spacing knob Stricture of vagina section 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 group Part includes protective cover mechanism and inspires mechanism, and 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, and fixing fixation with steel wire is installed on The two sides of backrest frames, 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 divided Not being provided with extension spring and fix seat, left and right support bracket fastened bottom is fixed with corresponding extension spring to connect between seat extension spring, and king wire is with solid Determine folding tarpaulin is installed between steel wire；The described mechanism that inspires is installed on backrest frames and is positioned at left and right support bracket fastened rear, bag Including sleeve pipe, seat belt and spring two-way slide bar buffer gear, the afterbody of seat belt is socketed on sleeve pipe, and sleeve pipe is connected to backrest frames The horizontal kidney slot of both sides side plate, the two ends of sleeve pipe stretch out the both sides of backrest frames, stretching out of described sleeve pipe in kidney slot End contacts cooperation with left and right support bracket fastened epimere；The both sides of backrest frames are provided with tarpaulin and fix seat, left and right fixed support Middle part be articulated with tarpaulin and fix seat；Described extension spring is fixed seat, left and right support bracket fastened bottom and tarpaulin and fixed seat is triangle Distribution.

Further, the bottom of described base assembly is provided with a ring unlocking mechanism, and 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, and steel cable is by hexagonal flange Face nut is fixed on the afterbody of pull bar, is extruded with the return spring being socketed on pull bar, institute between hexagon nut with flange and fixing seat The two ends stating 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 is cased with the sliding sleeve that can slide along shoulder belt, institute respectively Stating and be stitched with buffering on the front of each sliding sleeve respectively and protect 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, and described head pillow mechanism includes being connected to backrest The bearing pin of two levels between skeleton biside plate and head pillow frame, head pillow frame is connected to the bearing pin upper left at two bearing pins Right slip, head pillow frame is enclosed with headrest fabric sleeve, and the two ends of top bearing pin are respectively by two-way slide bar buffer gear and both sides The inner side of plate connects.

Further, described two-way slide bar buffer gear includes throw-out lever, stage clip and fixing slide carriage, and described fixing slide carriage is pacified Being loaded on backrest frames and rotate on backrest frames, the head of throw-out lever is articulated with the external part of sleeve pipe, and the afterbody of throw-out lever is worn Being connected to fixing slide carriage, throw-out lever is socketed with stage clip, described stage clip is squeezed between the head of throw-out lever and fixing slide carriage, headrest The outer side covers of skeleton has headrest fabric sleeve, and headrest fabric sleeve is EPP expanded material, and headrest fabric sleeve side arranges some penetrating Hole.

Further, described base assembly is provided with ratchet Suo Neng mechanism, and described ratchet Suo Neng mechanism is installed on base Afterbody, described ratchet Suo Neng mechanism includes ratchet and the lock hook with click-fit, and described ratchet is arranged at the connecting rod of base tail end Head, the connecting rod of ratchet and tail end is integrated part, and described lock hook is installed on the two sides of square tube by short axle, and lock hook can be around short Axle rotates, and short axle is cased with torsion spring, and 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, and 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, and lock-stopping hinge mechanism includes the left side arranging lining Right voussoir, left and right voussoir is installed in the mounting groove of square tube front end, and the head of two voussoirs is articulated with square tube through screw, between two voussoirs Being extruded with more than one stage clip, the lozenges of voussoir overhangs from the two sides of square tube, and the peak of the tapered ramp of voussoir leans on The head of nearly square tube.

Further, the both sides of described base top are separately installed with handrail, and described handrail includes the inner side steel wire of trapezoidal shape Circle and outside wire loop, described inner side or outside wire loop are respectively by how to put down with the steel wire weld reinforcing intersected in length and breadth forms steel wire Face, the first half of described inner side or outside steel wire plane all tilts inside seat, and the bottom of described medial and lateral wire loop is divided Do not fix with supporting slider and be connected, connected by fixed plate is fixing between the top of medial and lateral wire loop；The outer wrap of described handrail There is EPP expanded material fabric.

Further, being separately installed with side protection inside the two of described backrest frames, the protection of described side includes steel wire group The mesh skeleton become, 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 present invention is by base assembly, backrest assembly, pedal assembly, a ring unlocking mechanism, anti-splashing protective cover assembly, seat belt One multi-buffer body of the composition such as assembly, head pillow mechanism.Utilize the combination of Shang Xu mechanism, the artificial each portion bullet causing seat Property damping mechanism and base produce relative displacement (i.e. adding multiple elastic damping inertial system) these elastic damping systems Organic assembling produces relative displacement and changes the direction of power, makes these multiple buffer gears by impulse inertia power dissipation to each In the sub-agencies of individual elastic damping, instantaneous maximum impact peak value is allowed to increase in seat movement travel change, the acceleration of unit interval Degree significantly reduces, and the normal pressure that i.e. human body and seat contact point impact significantly declines, and can be by part impact energy The release of counteracting force energy is pinned to reduce the active force of secondary injury in the middle of lockable mechanism.Its automatic synchronization safety guard profit With self inertia add seat belt drive backboard axle make a concerted effort overcome automatic synchronization safety guard mechanism spring energy, in the extremely short time Open the most rapidly, when splash not yet flies out, human body has been 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 Numb and uncomfortable, promote 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 seats 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, and pedal can be gone up Lower movement is adjusted to suitable position, makes the stability of children's ride-on be unlikely to long-time leg suspension compressing leg blood vessel and causes blood Liquid stream is dynamic the most freely causes numbness and discomfort, improves children's ride-on comfortableness.

3. seat buffering energy-absorbing mechanism structure principle: seat assembly buffering energy-absorbing mechanism is by base assembly, backrest assembly, bullet Spring buffering sleeve, seat board, backboard, two-way slide bar buffer gear, seat belt composition.

When colliding, except the square tube of base is locked by ISOFIX, remaining upper parts and the inertia of child's gross mass Power forces seat anterior displacement, linkage first comply with upwards anterior displacement, seat from the parallel above position of buffering slide bar to Front portion is lifted, when moving further along, after when short connecting rod decline cause whole seat 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 the spring stress compression of two-way slide bar buffer gear is played slow Rushing energy-absorbing function, seat belt acts on human body two and takes on stress and buffered.When quill crosses the dead of two-way slide bar buffer gear After Dian, discharging at spring tension, backboard axial preacceleration displacement, act on human body two and take on stress and unloaded, backboard axle moves During to the front end of kidney slot, sleeve pipe drives backrest frames, relative to the pin joint of base, rotation forwards, backrest frames occur And the spring buffer sleeve between base is compressed, and plays again buffering energy-absorbing damping action；Meanwhile, on seat board, the base plate of cross-under is sliding Axle 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, spreading when i.e. seat moves forward to extreme position, will be produced Formula lock-stopping hinge moves band ratchet simultaneously and hooks conjunction with ratchet latch hook after opening restriction front rod, all movement parts of seat upper portion are counter to be made Inertia total amount will be locked out and limit its displacement and reduce reaction punch power.Now side plate, backboard, seat board delay at spring Rush the chest-to-back acceleration that is bound under releasable counteracting force in sleeve, square tube inner spring and two-way slide bar buffer gear spring Displacement, human body also will accelerate position backward under counteracting force, and because of displacement in the same direction, its speed difference will cause human body to be pulled back at seat belt In the case of pulling force be substantially reduced, remaining impulsive force is again by the spring of two-way slide bar buffer gear, and two-way in square tube Spring buffers further, reduces the load of secondary pulse to greatest extent, and effectively protection human body sustains damage.

4. back pad seat cushion combination, headrest bolster structure are combined with EPP expanded material by surface fabric, and human body work pressed by this pad Cheng Xue form Design is also equipped with some through holes, acts on seat cushion once human body, and its compression area deforms rapidly, to greatest extent Parcel supports body surface area, reduces unit are pressure, adds that backboard pond, seat board pond built-in foam pad compound action are sufficient Reach energy-absorbing buffering effect, reduce the peak pressure acting on human body to greatest extent.Headrest bolster presses human body head form stress Design, is equipped with some through holes at headrest periphery, is allowed to deform when head and headrest collision and well can paste with head soon Close the pressure reducing unit are.

Simultaneously when there is side collision, the through hole that headrest bolster side is arranged can prevent child's ear external ear when clashing into The pressure of road gas compression, reduces skyrocketing of 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 actuator around under seat board, and is tightened up through seat belt unlocking device in lower end Constitute a key and unlock restraint system；Head displacement buffer unit is placed on seat belt by safety belt protecting casing, and buffering protects bag and safety It is overall that band sheath constitutes adjustable one.Not colliding under normal circumstances, buffering is protected bag and is put and give child front and child's lower jaw Having a certain distance, once collide, human body anterior displacement to seat belt fetters extreme position, and (i.e. human body tightened by seat belt No longer being moved forward by seatbelt restraint, head is still to preshoot under inertia force effect, and head continues the most forward displacement because of nothing constraint, this Time buffers packet lower jaw with children head touch, head protects bag in buffering and inhales under flexible situation, effectively buffers 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, human body and energy in each stress of seat Release will make child produce shock to reverse displacement, head with headrest with very high acceleration under reaction force acts, can be to neck 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 Clashing into peak value, human body is under the effect of counteracting force, and by rapid rearward displacement, back contact back pad is obstructed head the most this moment Displacement, 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, because headrest is damped its speed run backward by spring force Degree reduces rapidly, and head and headrest are because moving in the same direction, reduces power acceleration and 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, such head and headrest Contact force will be unloaded.Remaining footprint pressure will be absorbed by headrest Soft Roll (EPP expanded material), make the anti-of children head Active force absorbs 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, add that headrest Soft Roll is rested the head on Pad (EPP expanded material) side arranges some through holes can prevent child's ear pressure of external ear road gas compression when clashing into Power, reduces skyrocketing of external auditory meatus gas column pressure, can prevent tinnitus, tympanic member perforation.

7. automatic synchronization anti-splashing thing safety guard mechanism structure do not collide normal condition time, by two groups, left and right combine bullet Spring) make tarpaulin be in closure state under prestressed effect, the automatic synchronization anti-splashing thing safety guard that once collides is at self Inertia force and seat belt pull and overcome spring (T-15) tension force under the dual function motive force of backboard axle, make the spring line of force exceed paulin Axle bed centrage fixed by cloth, and the contractility of spring will make tarpaulin fully open, and cover facing material uses slim Kev to draw bulletproof fabric, should Cover on and can fully open in most time under the contractility synchronization driving of inertia force, belt force, spring, i.e. this cover is the most first Spilling in splash and open, this cover is fully able to the injury preventing splash to occupant, implements protection comprehensively.

If after colliding, when need to save occupant, the tension force of spring is overcome to make spring (T-15) close as long as lifting tarpaulin bar The line of force exceedes tarpaulin and fixes axle bed (T-12) centrage, and the contractility of spring (T-15) will make tarpaulin 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 it by outside steel wire, inner side steel wire, fixed plate, establishment sheath Assembly relation, human body, when seat Inside To Outside extrudes, can make the outside deformation displacement of steel wire assembly with less power, when being subject to External force steel wire assembly by outside mutually inside displacement time, once reach leverage movement dead, steel wire assembly then can not deform to inner side 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 wound for human body Evil degree；Take into full account the bounce problem after impact peak value simultaneously, utilize twice Suo Neng mechanism and two-way spring buffer Mechanism buffers, simultaneously auxiliary honeycomb EPP lamp softness implant buffering, in order to reduce impact.It is specifically designed anti-splashing guarantor 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 master Dynamic buffering, 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 conjunction Reason, 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 it can be seen, two-way slide bar buffer-type child safety seat, including base assembly 1 and backrest assembly 2, in base assembly 1 One ring unlocking mechanism 3 and pedal assembly 4 are installed, backrest assembly is provided with handrail 5, side protection 6, safety belt assembly 7, head Pillow structure 8 and anti-splashing protective cover 9 assembly.Backrest assembly 2 is articulated with base assembly 1, between backrest assembly 2 total with base 1 becomes Being connected by spring buffer sleeve 11, one end of spring buffer sleeve 11 is articulated with base assembly 1, another of spring buffer sleeve 11 End 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 that two of lower floor are parallel Plate 103, 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 and connects Joint 105；Being connected by two rotating shafts 106 are fixing between two parallel buffering slide bars 102, slide bar 102 is corresponding with square tube 101 sets for buffering Putting, the two ends of each buffering slide bar 102 are respectively by being distributed in one group of front rod 107 of its both sides and one group of back link 108 and square tube The connection of 101 correspondences forms swing mechanism, and the bottom of described each group of connecting rod is hingedly connected to connecting shaft 104, the top of each connecting rod It is hingedly connected to rotating shaft 106；The middle part of described each buffering slide bar 102 is respectively equipped with spring groove 109, is provided with in spring groove 109 Two coaxial springs 110, are provided with spring plug 111 between two springs 110, each spring 110 is squeezed in spring plug 111 and spring groove 109 Two ends between, 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 It 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 In the afterbody of square tube 101, the other end of extension spring 113 is installed on the head of buffering slide bar 102；Seat board 103 is enclosed with EPP foaming material Material fabric.

Base assembly 1 is provided with ratchet Suo Neng mechanism 114, and 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, and described ratchet 116 is arranged at back link 108 The head of connecting rod, ratchet 116 and back link be integrated part, and 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, and short axle 118 is cased with torsion spring 119, and the two ends of torsion spring 119 are connected with lock hook 117, junction point It 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, and lock-stopping hinge mechanism 115 is installed on the end The head of seat 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, and left and right voussoir 120 is installed in the mounting groove 122 of square tube front end, two voussoirs The head of 120 is articulated with square tube through screw, is extruded with more than one stage clip 121, the lozenges of voussoir 120 between two voussoirs 120 Overhanging 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 that fixing seat 31, fixing seat 31 are fixedly installed in the connecting shaft 104 of pan frontward end The heart, on fixing seat 31, cross-under has pull bar 32, the head of pull bar 32 to be provided with draw ring 33, and the afterbody of pull bar 33 is wrapped with steel cable 34, steel Rope 34 is fixed on the afterbody of pull bar 33 by hexagon nut with flange 35, is extruded with set between hexagon nut with flange 35 and fixing seat 31 Being connected to the return spring 36 of pull bar 32, the two ends of described steel cable 34 penetrate in square tube from the middle part of square tube 101, and with square tube 101 The unblock drag hook 37 of afterbody ISOFIX jointing 105 connects；

Pedal assembly 4 includes two joints 401, and the rear side of joint 401 is provided with the square linkage section with square tube head fits 402, 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, the tail of screw rod 403 Portion is connected with square tube 101；Said two joint 401 extends guide pipe 405 separately down, by water between two guide pipes 405 Flat locking depression bar 406 connects；The bottom of described two guide pipes 405 connects pedal 47, and the two ends at pedal 47 top are even Being connected to vertical regulation slide bar 408, regulation slide bar 408 is provided with spacing screw 409, the end of regulation slide bar 408 self-steering pipe 405 Portion inserts；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, 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, and described handrail 5 includes inner side wire loop 51 He of trapezoidal shape Outside wire loop 52, described inner side or outside wire loop are respectively by how to put down with the steel wire weld reinforcing intersected in length and breadth forms steel wire Face, the first half of described inner side or outside steel wire plane all tilts inside seat, and the bottom of described medial and lateral wire loop is divided It is not connected by bolt is fixing with supporting slider 102, is connected by fixed plate 53 is fixing between the top of medial and lateral wire loop；Described hold up The outer wrap of hands has EPP expanded material fabric.

Backrest assembly 2 includes backrest frames 201 and backboard 202, and the both sides on backrest frames 201 top are provided with the kidney-shaped of level Groove 203, in the head cross-under of backboard 202 has the sleeve pipe 204 of level, the two ends of sleeve pipe 204 to be connected to kidney slot 203 and from two ends Stretch out, 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, described backboard 202 The afterbody of bottom and seat board 103 be articulated and connected；The bottom of backrest frames 201 both sides respectively with two buffering slide bars 102 tail ends Hinged, the both sides of backrest frames 201 are connected with corresponding buffering slide bar 102 by a spring buffer sleeve 11 respectively；Spring delays The one end rushing sleeve 11 is articulated with the middle part of backrest frames 201, and the other end of spring buffer sleeve 11 is articulated with buffering slide bar 102 Head；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 interior steel ring and outer rim The mesh skeleton identical with armrest of composition, 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, and described protective cover mechanism includes left and right solid Fixed rack 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, the two ends of king wire 902 It is 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, The bottom of left and right fixed support 901 is fixed with corresponding extension spring to connect between seat 904 extension spring 905, king wire 902 and fixing steel wire Folding tarpaulin is installed between 903；Described inspire after mechanism is installed on backrest frames 201 and is positioned at left and right fixed support 901 Side, 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 set Pipe 204, sleeve pipe 204 is connected to the horizontal kidney slot 203 of the both sides side plate of backrest frames, and the two ends of sleeve pipe 204 are from kidney slot 203 Inside stretching out the both sides of backrest frames, the external part of described sleeve pipe 204 contacts cooperation with the epimere of left and right fixed support 901；Backrest The both sides of skeleton 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；Institute State extension spring to fix seat 906, the bottom of left and right fixed support 901 and tarpaulin and fix seat 906 in angular distribution；

The top of backrest assembly 2 is provided with head pillow mechanism 8, and described head pillow mechanism 8 includes being connected between backrest frames biside plate The bearing pin 81 of two levels and head pillow frame 82, head pillow frame 82 is U-shaped, wraps up head, head pillow frame 82 cross-under from both sides In the bearing pin and can horizontally slip on two bearing pins 81, head pillow frame 82 is enclosed with headrest fabric sleeve, top bearing pin 81 Two ends 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 to knit Thing set, headrest fabric sleeve is EPP expanded material, and 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, and its head is provided with seat belt unlocking device 74, and its afterbody is installed Tightening up actuator 75, seat belt unlocking device 74 is positioned at above seat board 103, tightens up actuator 75 and is positioned at below seat board 103, described The head of two shoulder belt 72 machine both sides bands 73 is separately installed with tab, and tab is connected locking with unlocking device 104, two shoulder belts 72 Afterbody fixed connecting sleeve 204.The sliding sleeve 76 that can slide along shoulder belt it is cased with respectively on the stage casing of two shoulder belts 72 of seat belt, Being stitched with buffering on the front of described each sliding sleeve 76 respectively and protect 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 that throw-out lever 12, stage clip 13 and fixing slide carriage 14, described fixing slide carriage 14 are installed Rotating in backrest frames 201 and on backrest frames 201, the head of throw-out lever 12 is articulated with external part or the bearing pin 81 of sleeve pipe Head, the afterbody of throw-out lever 12 is connected to fixing slide carriage 14, and throw-out lever 12 is socketed with stage clip 13, and described stage clip 13 is squeezed in Between head and the fixing slide carriage 14 of throw-out lever 12.

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, It is 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, and seat board is hinged in backboard, backboard Being hung in kidney slot by sleeve pipe, can seesaw on band damping ground, seat board damps before ground through base plate slide-bar band in base assembly Rear slip, whole seat, 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, and fixing for car of square tube layer, backrest assembly is installed on buffering slide bar, in collision Time, square tube layer can produce opposing oscillatory forward, after buffering slide bar layer is forwards shown in band damping ground with buffering slide bar interlayer The lock energy device carrying on the back more than one group is locked, prevents bounce-back, and this is shown action energy-absorbing further and provides buffer distance, at inertia Power is unloaded on the direction of power；Backrest assembly can be with the rotation forward of respect thereto assembly generation band damping, and buffering unloads power；Multistage is slow Punching 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 equal Damp for bidirectional buffering, the suitability can be improved.

Being also devised with tripper on this basis, the dismounting making safety seat is convenient；Footstep mechanism, raising is taken Comfortableness；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. a two-way slide bar buffer-type child safety seat, it is characterised in that including base assembly and backrest assembly, backrest is total Become to be articulated with base assembly, by spring buffer sleeve connection between backrest assembly and base assembly, one end hinge of spring buffer sleeve Being connected to base assembly, 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, and the head cross-under of backboard has the sleeve pipe of level, set The two ends of pipe are connected in kidney slot, the spring two-way slide bar buffer that the both sides of backrest frames are provided with sleeve pipe two ends are connected Structure, the bottom of described backboard is articulated and connected with the afterbody of seat board；The bottom of backrest frames both sides respectively with two buffering slide bars tails Holding hinged, the both sides of backrest frames are connected with corresponding buffering slide bar by a spring buffer sleeve respectively；Spring buffer sleeve One end be articulated with the middle part of backrest frames, 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, by least two between side cross tube Root connecting shaft is fixing to be connected, and the afterbody of each square tube is separately installed with ISOFIX jointing；By turning between two parallel buffering slide bars Axle is fixing to be connected, and buffering slide bar is correspondingly arranged with square tube, and the two ends of each buffering slide bar are respectively by being distributed in one group of its both sides even The connection that bar is corresponding with square tube forms swing mechanism, and the bottom of described each connecting rod is hingedly connected to connecting shaft, the top of each connecting rod It is hingedly connected to rotating shaft；The middle part of described each buffering slide bar is respectively equipped with spring groove, is provided with two coaxial bullets in spring groove Spring, is provided with spring plug between two springs, spring is squeezed between spring plug and the two ends of spring groove, between the spring plug of described two buffering slide bars Being connected by base plate slide-bar is fixing, described base plate slide-bar is connected to seat board；Between the square tube of homonymy and buffering slide bar, extension spring is installed, institute The one end stating 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 base assembly Head is provided with pedal assembly, and described pedal assembly includes two joints, and the rear side of joint is provided with and square tube head fits Square linkage section, on joint, cross-under has a screw rod, and screw head is fixing with the knob on front side of joint to be connected, the afterbody of screw rod and side Pipe is connected；Said two joint extends guide pipe separately down, is connected by the locking depression bar of level between two guide pipes；Institute The bottom connection stating two guide pipes has pedal, and the two ends at pedal top connect vertical regulation slide bar, on regulation slide bar Being provided with spacing screw, the bottom of regulation slide bar self-steering pipe is inserted；Described guide pipe is provided with corresponding with spacing screw vertical Chute, the outside of guide pipe is provided with spacing knob, and the thread segment of spacing knob spins with spacing screw through chute；Described The top of backrest assembly is provided with anti-splashing protective cover assembly, and described anti-splashing protective cover assembly includes protective cover mechanism and rush Sending out mechanism, described protective cover mechanism includes left and right fixed support, king wire, fixing steel wire and tarpaulin, described left and right fixing The middle part of support is hingedly connected to the two sides of backrest frames, and fixing fixation with steel wire is installed on the two sides of backrest frames, main steel The two ends of silk 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, Left and right support bracket fastened bottom is fixed with corresponding extension spring to connect between seat extension spring, is provided with folding between king wire and fixing steel wire Tarpaulin；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 bullet Spring two-way slide bar buffer gear, the afterbody of seat belt is socketed on sleeve pipe, and sleeve pipe is connected to the level of the both sides side plate of backrest frames Kidney slot, the two ends of sleeve pipe stretch out the both sides of backrest frames, the external part of described sleeve pipe and left and right fixed support in kidney slot Epimere contact coordinate；The both sides of backrest frames are provided with tarpaulin and fix seat, and it is solid that left and right support bracket fastened middle part is articulated with tarpaulin Reservation；Described extension spring is fixed seat, left and right support bracket fastened bottom and tarpaulin and fixed seat is angular distribution；Described base assembly Bottom be provided with a ring unlocking mechanism, a described ring unlocking mechanism includes fixing seat, and on fixing seat, cross-under has pull bar, the head of pull bar Portion is provided with draw ring, and the afterbody of pull bar is wrapped with steel cable, and steel cable is fixed on the afterbody of pull bar, hexagonal flange by hexagon nut with flange Being extruded with the return spring being socketed on pull bar between face nut and fixing seat, the two ends of described steel cable penetrate square tube from the middle part of square tube In, and be connected with the unblock drag hook of square tube afterbody ISOFIX jointing；Described two-way slide bar buffer gear includes throw-out lever, pressure Spring and fixing slide carriage, described fixing slide carriage is installed on backrest frames and rotates on backrest frames, and 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, and throw-out lever is socketed with stage clip, and described stage clip is squeezed in thrust Between head and the fixing slide carriage of bar, the outer side covers of head pillow frame has headrest fabric sleeve, and headrest fabric sleeve is EPP foaming material Material, headrest fabric sleeve side arranges some through holes.