With side protection and the integrated form children car seat promoting seat cushion
Technical field
The present invention relates to automotive seating art field, particularly a kind of with side protection and the integrated form children car seat promoting seat cushion.
Background technology
Along with the development of society, increasing family has private savings automobile, and the quantity of child passenger also increases thereupon.Auto against is huge beyond doubt to the damage of child passenger, and children riding is also more and more worth people to pay close attention to.Current automobile children safety chair, the overwhelming majority is all independently additional device, not only exist and use inconvenience, expensive, the used time does not take the problems such as spaces a large amount of in car, and the misuse of ubiquity child seat, such as China Patent Publication No. CN201065082Y discloses a kind of automobile child seat, it comprises seat, seat inclined angle regulating mechanism, child restraint safety strap, under the pedestal seat of honour and pedestal, seat is formed, seat inclined angle regulating mechanism comprises spanner, extension spring, locating rack, locating rack bearing pin, the draw-in groove that the latch of locating rack termination and the pedestal seat of honour have, sliding beam and the seat two ends of L shape are combined into one, safety belt for vehicle fixed mechanism is by adapter plate, there is the shank of the key of lock tooth the side be arranged in fixing sheet frame, pull back spring is formed, energy one-way locking safety belt for vehicle during forward use child seat, seat backward security handle passes locking for safety belt for vehicle during backward use.This automobile child seat adopts independent design, and need be fixed on automotive seat during use, complex structure, use procedure is loaded down with trivial details, and exists expensive equally, takies the technical matterss such as vehicle body space is large.
For this reason, Chinese patent granted patent notification number CN201951287U provides a kind of integrated automobile child seat, it comprises automotive seat, the backrest of automotive seat is provided with groove, the automobile seat for child chair cushion above the seat cushion that can be flat on automotive seat is rotatably connected in groove, be placed on above seat cushion after groove varus produces automobile seat for child chair cushion during use, overturn children car seat after finishing using again upwards in groove, children car seat and automotive seat are integrated in one.
Moreover, it is automobile children safety chair seat cushion adjusting mechanism that Chinese patent application publication No. CN101780777A discloses one integrated, comprise bench height regulating mechanism and bench length regulating mechanism, bench height regulating mechanism is arranged on the below of seat cushion in the middle of back seat, the middle base of back seat can be hovered height by actuating device and connecting rod mechanism, make adult seat be converted to booster seat.Bench length regulating mechanism is connected with the additional seat cushion that multistage can be interconnected or be separated, thus according to the length of children's torso size regulating seat cushion.
In addition, a kind of integrated automobile safety seat disclosed in Chinese patent Authorization Notice No. CN202863190U, comprise seat cushion, base, base is provided with the seat cushion groove suitable with seat cushion, support component is arranged between the seat cushion groove of seat cushion and base, for upwards being propped to predetermined altitude in the seat cushion groove of base by seat cushion.
Although above-mentioned three patents provide the children car seat be integrated in adult seat, have the little advantage that takes up room, when their children car seat uses, lack side safeguard function, its children car seat safety formed is not good enough.
Moreover the seat cushion in above-mentioned three patents cannot realize step-less adjustment, height can not be carried out for the height of the children of all ages and classes and regulate.
In addition, also acnemia holder in above-mentioned three patents, takes comfort not strong.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of with side protection and the integrated form children car seat promoting seat cushion for the inadequate problem of the safety existing for existing integrated form children car seat, the injury caused children when reducing vehicle collision.
Technical matters to be solved by this invention can be achieved through the following technical solutions:
A kind of with side protection and the integrated form children car seat promoting seat cushion, comprise automotive seat, described automotive seat comprise back of seat and seat cushion, the first groove is provided with in described seat cushion, first groove opening up, the child seat seat cushion forming children car seat is configured with in described first groove, when described child seat is used, described child seat seat cushion rises from the first groove by a cushion lifting mechanism, when described child seat is not by use, described child seat seat cushion is down in described first groove by a cushion lifting mechanism, it is characterized in that, the second groove is provided with in described back of seat, the opening of described second groove forward, the child seat back and a child seat left side that form children car seat is integrated with in described second groove, right side ballistic support, wherein, when described child seat is used, described child seat is left, while right side ballistic support overturns out described second groove to using state by a switching mechanism, described child seat is left, right side ballistic support drives described second groove of described child seat back release to using state and is positioned at a child seat left side, between the ballistic support of right side, when described child seat is not by use, while described child seat left and right side ballistic support overturns in described second groove by described switching mechanism, described child seat left and right side ballistic support drives described child seat back to enter in described second groove.
In a preferred embodiment of the invention, at described switching mechanism, described child seat left and right side ballistic support is overturn after described groove, described child seat left and right side ballistic support covers in described child seat back, and described child seat left and right side ballistic support forms a part for the back of seat of described automotive seat.
In a preferred embodiment of the invention, be down to after in described first groove by described child seat seat cushion in described cushion lifting mechanism, described child seat seat cushion forms a part for described seat cushion.
In a preferred embodiment of the invention, on the left of described child seat, ballistic support comprises, lower end axle is located at the left trip shaft on the backrest frames in described back of seat, be fixed on the left ballistic support plate on described left trip shaft, the left foaming body of foaming on the first surface of described left ballistic support plate, be arranged on the left side protective air-bag on second of described left ballistic support plate, the left side tracheae be connected with described left side protective air-bag and be arranged on the left air pump of described automotive seat appropriate location, described left air pump is connected with described left side tracheae, left trip shaft is driven by described switching mechanism and rotates, described left foaming body forms the part in described back of seat,
On the right side of described child seat, ballistic support comprises, lower end axle is located at the right trip shaft on the backrest frames in described back of seat, be fixed on the right ballistic support plate on described right trip shaft, the right foaming body of foaming on the first surface of described right ballistic support plate, be arranged on the right side protective air-bag on second of described right ballistic support plate, the right side tracheae be connected with described right side protective air-bag and be arranged on the right air pump of described automotive seat appropriate location, described right air pump is connected with described right side tracheae, right trip shaft is driven by described switching mechanism and rotates, described right foaming body forms the part in described back of seat,
Described child seat back comprises backrest head board, is arranged on described backrest head board towards the back rest supports air bag in the side in described second slot opening direction, the backrest tracheae be connected with described back rest supports air bag and the backrest air pump being arranged on described automotive seat appropriate location; The left and right two ends slide arrangement of described backrest head board, on described left and right ballistic support plate, relies on described left and right ballistic support plate and passes in and out described second groove.
In a preferred embodiment of the invention, described switching mechanism comprises a left side, right switching mechanism, described left switching mechanism comprises the left reducing motor be arranged on described backrest frames, key is located at the left driving gear on the output shaft of described left reducing motor, on, lower end axle is located at the left transition rotating shaft on described backrest frames, key to be located in described left transition rotating shaft and left driven gear intermeshing with described left driving gear, key is located at the left main synchronous pulley on described left transition axis, key is located at a left side on described left trip shaft from synchronous pulley and be enclosed within described left main synchronous pulley and left from the left Timing Belt synchronous pulley,
Described right switching mechanism comprises the right reducing motor be arranged on described backrest frames, key is located at the right driving gear on the output shaft of described right reducing motor, on, lower end axle is located at the right transition rotating shaft on described backrest frames, key to be located in described right transition rotating shaft and right driven gear intermeshing with described right driving gear, key is located at the right main synchronous pulley on described right transition axis, key is located at the right side on described right trip shaft from synchronous pulley and be enclosed within described right main synchronous pulley and right from the right Timing Belt synchronous pulley.
In a preferred embodiment of the invention, described left and right ballistic support plate is configured with left and right chute, is hinged with left and right slide block at the left and right two ends of described backrest head board, described left and right skid is configured in described left and right chute.
In a preferred embodiment of the invention, described back rest supports air bag is divided into upper and lower back rest supports air bag, described backrest air pump is divided into backrest air pump and lower backrest air pump, described upper and lower backrest air pump is arranged on described automotive seat appropriate location, wherein go up backrest air pump to be connected with described upper back rest supports air bag by upper tracheae, lower backrest air pump is connected with described lower back rest supports air bag by lower tracheae; Backrest head board between described upper and lower back rest supports air bag offers left and right mounting strap installing port, and the left and right safety strap in five-point safety band is each passed through described left and right mounting strap installing port.
In a preferred embodiment of the invention, described child seat seat cushion comprises buttocks support frame, the seat cushion foaming body of foaming on described buttocks support frame upper surface, described buttocks support frame is arranged on by cushion lifting mechanism on the seat cushion framework of described seat cushion, and described seat cushion foaming body forms a part for described seat cushion.
In a preferred embodiment of the invention, described cushion lifting mechanism comprises:
One motor mounting rack;
Be arranged on the cushion lifting motor on described motor mounting rack bottom surface;
By the motor-driven Bidirectional-screw of described cushion lifting;
The forward and backward lifting strut bar moved around along described Bidirectional-screw axis is driven by described Bidirectional-screw;
At least a set of four-bar linkage, the first connecting rod in described four-bar linkage and the first end of second connecting rod are hinged with described forward and backward lifting strut bar respectively, and the second end of first connecting rod and second connecting rod is hinged with described motor mounting rack respectively; Third connecting rod in described four-bar linkage and the first end of double leval jib are hinged with described forward and backward lifting strut bar respectively, second end of third connecting rod and double leval jib is hinged on a seat cushion mechanism adapter plate, and described seat cushion mechanism adapter plate is fixed on described seat cushion framework.
In a preferred embodiment of the invention, the second end of described first connecting rod and the second end of second connecting rod are provided with intermeshing tooth; Second end of described third connecting rod and the second end of double leval jib are provided with intermeshing tooth.
In a preferred embodiment of the invention, described buttocks support frame and seat cushion foaming body are provided with the lower safety strap installing port for installing the lower safety strap in five-point safety band.
In a preferred embodiment of the invention, a leg support mechanism should be also comprised with the integrated form children car seat of side protection and lifting seat cushion, described leg support mechanism comprises a leg holder stay bearing plate and at least one leg holder promotes connecting rod, the rear side of described leg holder stay bearing plate is hinged on the front side of described buttocks support frame, the first end that described leg holder promotes connecting rod is hinged on the front side of described leg holder stay bearing plate, and the second end that this leg holder promotes connecting rod is hinged on described prerequisite ascending branch strut.
Owing to have employed technical scheme as above, make child seat of the present invention in use, left and right side can be provided to protect for children, injury when reducing vehicle collision, children caused; And when child seat is not by use, child seat back and the child seat left and right side ballistic support of children car seat can be hidden in the groove on the back of seat of automotive seat, child seat seat cushion also can be hidden in the groove of seat cushion, returns to the original style of automotive seat.The present invention adopts left and right side protective air-bag and back rest supports air bag to protect and in conjunction with the step-less adjustment of bench height for children provide, the children different to height, build can provide omnibearing safety precaution, in addition can by left and right side protective air-bag by discharging with the air in back rest supports air bag when not using, therefore the groove that larger volume is set on back of seat is not needed just can to hold child seat back and child seat left and right side ballistic support, be applicable to the automotive seat that some back of seats are thinner, increase the space in car.Invention increases leg holder, children's ride-on is got up more comfortable.The present invention is also configured with children's five-point safety band in addition, makes its child protection better.The present invention also has the advantage that structure is simple, security protection performance is high.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of existing chairs in rear rows of vehicles.
Fig. 2 is provided with a kind of schematic appearance protecting and promote the chairs in rear rows of vehicles of the integrated form children car seat of seat cushion with side of the present invention.
Fig. 3 is arranged on protecting with side and promoting the integrated form children car seat using state reference diagram of seat cushion on existing chairs in rear rows of vehicles.
Fig. 4 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat back and child seat left and right side ballistic support using state reference diagram (removing back rest supports air bag).
Fig. 5 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat left and right side ballistic support decomposing schematic representation.
Fig. 6 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat back using state reference diagram.
Fig. 7 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat back and child seat left and right side ballistic support be accommodated in cutaway view in the groove of back of seat.
Fig. 8 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat back and child seat left and right side ballistic support in the cutaway view partially opening state.
Fig. 9 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in the cutaway view of child seat back and child seat left and right side ballistic support using state.
Figure 10 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in the structural representation of switching mechanism.
Figure 11 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in switching mechanism transmission schematic diagram.
Figure 12 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in the engagement schematic diagram of driving gear and driven gear.
Figure 13 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in main synchronous pulley and from the transmission schematic diagram between synchronous pulley.
Figure 14 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat back decomposing schematic representation.
Figure 15 is that a kind of integrated form children car seat with side protection and lifting seat cushion of the present invention configures with adult's bikini mounting strap the view used.
Figure 16 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in the using state schematic diagram of cushion lifting mechanism.
Figure 17 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in the structural representation of cushion lifting mechanism.
Figure 18 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in cushion lifting mechanism be in initial condition schematic diagram.
Figure 19 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in cushion lifting mechanism be in lifting process schematic diagram.
Figure 20 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in cushion lifting mechanism be in and promote view completely.
Figure 21 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in cushion lifting mechanism be in initial condition time each part position view.
Figure 22 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in cushion lifting mechanism be in the position view of each part in lifting process.
Figure 23 is a kind of position view protecting with side and promote that cushion lifting mechanism in the integrated form children car seat of seat cushion is in each part when promoting state completely of the present invention.
Figure 24 is the I place enlarged diagram of Figure 23.
Figure 25 be the present invention a kind of with side protection and promote seat cushion integrated form children car seat in child seat seat cushion and cushion lifting mechanism decomposing schematic representation.
Detailed description of the invention
See Fig. 1, the automotive seat provided in figure are automobile rear seat, it comprises back of seat 100 and seat cushion 200, if child seat will be installed additional in addition on this automobile rear seat, child seat is the used time not, if do not disassembled, will certainly interior space be taken, have influence on the traveling comfort that rear row passenger takes.And if disassemble installation again can be pretty troublesome.
For this reason, the present invention provides a kind of with side protection and the integrated form children car seat promoting seat cushion, see Fig. 2 and Fig. 3, the back of seat 100 and seat cushion 200 of automobile rear seat offer a groove 110,210 respectively, the opening of the groove 110 wherein on back of seat 100 forward, the groove 210 on seat cushion 200 opening up.
The child seat seat cushion 300 forming children car seat is configured with in the groove 210 of seat cushion 200, when child seat is used, this child seat seat cushion 300 rises from groove 210 by a cushion lifting mechanism 400, when child seat is not by use, this child seat seat cushion 300 is down in groove 210 by this cushion lifting mechanism 400, makes this child seat seat cushion 300 form a part for seat cushion 200.
Also be provided with leg support mechanism 500 in the front end of child seat seat cushion 300 in addition, this leg support mechanism 500 also forms a part for seat cushion 200, and during use, this leg support mechanism 500 is risen by cushion lifting mechanism 400.
The child seat back 600 and child seat left and right side ballistic support 700,700a that form children car seat is integrated with in 110 grooves, when child seat is used, while child seat left and right side ballistic support 700,700a overturn out groove 110 to using state by a switching mechanism (not shown), child seat left and right side ballistic support 700,700a drive child seat back 600 to release groove 110 to using state and between child seat left and right side ballistic support 700,700a; When child seat is not by use, while child seat left and right side ballistic support 700,700a overturn in groove 110 by switching mechanism, child seat left and right side ballistic support 700,700a drive child seat back 600 to enter in groove 110.
Overturn at switching mechanism after groove 110 by child seat left and right side ballistic support 700,700a, child seat left and right side ballistic support 700,700a cover in child seat back 600, form a part for the back of seat 100 of automotive seat.
See Fig. 4, Fig. 5, Fig. 7 to Figure 14, on the left of child seat, ballistic support 700 comprises, lower end axle is located at the left trip shaft 710 on the backrest frames 120 in back of seat, be fixed on the left ballistic support plate 720 on left trip shaft 710, the left foaming body 730 of foaming on the face 721 of left ballistic support plate 720, screw 740 is adopted to be arranged on upper left side protective air-bag 750 on the face 722 of left ballistic support plate 720 and lower left side protective air-bag 760, the left side tracheae 751 be connected with upper left side protective air-bag 750 and lower left side protective air-bag 760, 761 and be arranged on the left air pump 770 of automotive seat appropriate location, upper at left ballistic support plate 720, upper/lower positions offers two air nozzle holes 723, 724, valve 752 and 762 on upper left side protective air-bag 750 and lower left side protective air-bag 760 is each passed through air nozzle hole 723, by left side tracheae 751 after 724, 761 are connected with left air pump 770, left air pump 770 has bleeds and aerification function.
Left trip shaft 710 is driven by left switching mechanism 800 and rotates, left foaming body 730 forms the part in back of seat 100, in addition, upper left side protective air-bag 750 and lower left side protective air-bag 760 are covered with left side elasticity surface cover 780, and left side elasticity surface cover 780 is fixed on left ballistic support plate 720.
On the right side of child seat, ballistic support 700a comprises, lower end axle is located at the right trip shaft 710a on the backrest frames 120 in back of seat, be fixed on the right ballistic support plate 720a on right trip shaft 710a, the right foaming body 730a of foaming on the face 721a of right ballistic support plate 720a, screw 740a is adopted to be arranged on upper right side protective air-bag 750a on the face 722a of right ballistic support plate 720a and lower right side protective air-bag 760a, the right side tracheae 751a be connected with upper right side protective air-bag 750a and lower right side protective air-bag 760a, 761a and be arranged on the right air pump 770a of automotive seat appropriate location, upper at right ballistic support plate 720a, upper/lower positions offers two air nozzle hole 723a, 724a, valve 752a and 762a on upper right side protective air-bag 750a and lower right side protective air-bag 760a is each passed through air nozzle hole 723a, by right side tracheae 751a after 724a, 761a is connected with right air pump 770a, right air pump 770a has and bleeds and aerification function.
Right trip shaft 710a is driven by right switching mechanism 800a and rotates, right foaming body 730a forms the part in back of seat 100, in addition, upper right side protective air-bag 750a and lower right side protective air-bag 760a are covered with right side elasticity surface cover 780a, and right side elasticity surface cover 780a is fixed on right ballistic support plate 720a.
Also combine see Fig. 4, Fig. 5, Fig. 7 to Figure 13 see Fig. 6 and Figure 14, child seat back 600 comprises backrest head board 610, adopts screw 620 to be arranged on backrest head board 610 towards the upper and lower back rest supports air bag 630,640 in the side 611 of groove 110 opening direction and the upper and lower backrest air pump 650,660 being arranged on automotive seat appropriate location.
The cross-sectional plane of backrest head board 610 becomes grooved, its left and right two ends are hinged with left and right slide block 616,616a, left and right ballistic support plate 720,720a are configured with left and right chute 725,725a, and left and right slide block 616,616a slide arrangement are in left and right chute 725,725a.Like this when left and right ballistic support plate 720,720a upset, backrest head board 610 can pass in and out groove 110 at left and right ballistic support plate 720,720a under driving.
Upper and lower air nozzle hole 612,613 is offered in the upper and lower position of backrest head board 610, valve 631,641 on upper and lower back rest supports air bag 630,640 is connected with upper and lower backrest air pump 650,660 by upper and lower tracheae 632,642 respectively through after upper and lower air nozzle hole 612,613, and upper and lower backrest air pump 650,660 has bleeds and aerification function.
In addition, upper and lower back rest supports air bag 630,640 is covered with backrest elasticity surface cover 670, and backrest elasticity surface cover 670 is fixed on backrest head board 610.
Backrest head board 610 between upper and lower back rest supports air bag 630,640 offers left and right safety strap installing port 614,614a, and the left and right safety strap 910 in five-point safety band 900,910a are each passed through left and right mounting strap installing port 614,614a.
See Fig. 7 to Figure 13, left switching mechanism 800 comprises employing upper left motor mount 811, lower-left motor mount 812, be arranged on the left reducing motor 810 on backrest frames 120, key is located at the left driving gear 820 on the output shaft of left reducing motor 810, be fixed on the upper left axle bed 831 on backrest frames 120, lower-left axle bed 832, on, lower end axle is located at upper left axle bed 831, left transition rotating shaft 830 on lower-left axle bed 832, key to be located on left transition rotating shaft 830 midway location and left driven gear 840 intermeshing with left driving gear 820, key is located on left transition axis 830, the main synchronous pulley 852 of the main synchronous pulley in upper left on upper/lower positions 851 and lower-left, key is located on left trip shaft 710, upper left on upper/lower positions is from synchronous pulley 853 and lower-left from synchronous pulley 854 and be enclosed within the main synchronous pulley 851 in upper left and upper left from the upper left Timing Belt 855 synchronous pulley 853, be enclosed within the main synchronous pulley 852 in lower-left and lower-left from the lower-left Timing Belt 856 synchronous pulley 854.
Wherein, left reducing motor 810 is fixed on upper left motor mount 811, the output shaft axle of left reducing motor 810 is located on lower-left motor mount 812, and left driving gear 820 and left driven gear 840 are between upper left motor mount 811, lower-left motor mount 812.After left reducing motor 810 starts, by the engagement of left driving gear 820 and left driven gear 840, left transition rotating shaft 830 is driven to rotate, when left transition rotating shaft 830 is rotated, the main synchronous pulley 852 of the main synchronous pulley in the upper left on it 851 and lower-left is driven to rotate, the main synchronous pulley 852 of the main synchronous pulley in upper left 851 and lower-left rotate through upper left Timing Belt 855 and lower-left Timing Belt 856 drives upper left from synchronous pulley 853, lower-left is rotated from synchronous pulley 854, upper left drives left trip shaft 710 to rotate from synchronous pulley 853 and lower-left from the rotational synchronization of synchronous pulley 854, the rotation of left trip shaft 710 drives left ballistic support plate 720 to overturn.
Right switching mechanism 800a comprises employing upper right motor mount 811a, bottom right motor mount 812a is arranged on the right reducing motor 810a on backrest frames 120, key is located at the right driving gear 820a on the output shaft of right reducing motor 810a, be fixed on the upper right axle bed 831a on backrest frames 120, bottom right axle bed 832a, on, lower end axle is located at upper right axle bed 831a, right transition rotating shaft 830a on the axle bed 832a of bottom right, key to be located on right transition rotating shaft 830a midway location and right driven gear 840a intermeshing with right driving gear 820a, key is located on right transition axis 830a, upper right on upper/lower positions main synchronous pulley 851a and the main synchronous pulley 852a in bottom right, key is located on right trip shaft 710a, upper right on upper/lower positions is from synchronous pulley 853a and bottom right from synchronous pulley 854a and be enclosed within the main synchronous pulley 851a of upper right and upper right from the upper right Timing Belt 855a synchronous pulley 853a, be enclosed within the main synchronous pulley 852a in bottom right and bottom right from the bottom right Timing Belt 856a synchronous pulley 854a.
Wherein, right reducing motor 810a is fixed on upper right motor mount 811a, the output shaft axle of right reducing motor 810a is located on the motor mount 812a of bottom right, and right driving gear 820a and right driven gear 840a is between upper right motor mount 811a, bottom right motor mount 812a.After right reducing motor 810 starts, by the engagement of right driving gear 820a and right driven gear 840a, right transition rotating shaft 830a is driven to rotate, when right transition rotating shaft 830a rotates, the main synchronous pulley 851a of the upper right on it and the main synchronous pulley 852a in bottom right is driven to rotate, the upper right Timing Belt 855a and bottom right Timing Belt 856a that rotates through of upper right main synchronous pulley 851a and the main synchronous pulley 852a in bottom right drives upper right from synchronous pulley 853a, bottom right is rotated from synchronous pulley 854a, upper right drives right trip shaft 710a to rotate from synchronous pulley 853a and bottom right from the rotational synchronization of synchronous pulley 854a, the rotation of right trip shaft 710a drives right ballistic support plate 720a to overturn.
See Figure 15, child seat seat cushion 300 of the present invention can also by the stepless lifting of cushion lifting mechanism 400 and adult's body-restraining seat belt 1000 with the use of, no longer need to configure children's five-point safety band in addition.
See Figure 16 to Figure 25, child seat seat cushion 300 comprises buttocks support frame 310, the seat cushion foaming body 320 of foaming on buttocks support frame 310 upper surface, buttocks support frame 310 is arranged on the seat cushion framework 220 of seat cushion 200 by cushion lifting mechanism 400, and seat cushion foaming body 320 forms a part for seat cushion 200.
All offer safety strap installing port 311,321 at buttocks support frame 310 and seat cushion foaming body 320, install for children's five-point safety band.
This cushion lifting mechanism 400 comprises a motor mounting rack 410, motor mounting rack 410 adopt screw 420 cushion lifting motor 430 is installed, the output shaft of seat cushion lifting motor 430 is configured with a speed reduction gearing 440, the mouth of speed reduction gearing 440 is configured with a Bidirectional-screw 450, such cushion lifting motor 430 just can drive Bidirectional-screw 450 to rotate by speed reduction gearing 440, and Bidirectional-screw 450 has rotation direction contrary forward and backward spiral section 451,451a.
This cushion lifting mechanism 400 also comprises forward and backward lifting strut bar 460,460a, offer porose at the midway location of forward and backward lifting strut bar 460,460a, forward and backward screw 461,461a is separately installed with in hole, forward and backward screw 461,461a are spun on the forward and backward spiral section 451 of Bidirectional-screw 450,451a, like this when Bidirectional-screw 450 cw or when rotating counterclockwise, forward and backward lifting strut bar 460,460a can be driven to carry out move toward one another or from moving along Bidirectional-screw 450 axis by forward and backward screw 461,461a.
This cushion lifting mechanism 400 also comprises left and right four-bar linkage 470,470a, the left and right end of the connecting rod 471 in left and right four-bar linkage 470,470a, one end of 471a and prerequisite ascending branch strut 460 is hinged, the other end of connecting rod 471,471a and the left and right side of buttocks support frame 310 hinged.The left and right end of the connecting rod 472 in left and right four-bar linkage 470,470a, one end of 472a and rear lifting strut bar 460a is hinged, the other end of connecting rod 472,472a and the left and right side of buttocks support frame 310 hinged.The left and right end of the connecting rod 473 in left and right four-bar linkage 470,470a, one end of 473a and prerequisite ascending branch strut 460 is hinged, and the other end of connecting rod 473,473a and left and right seat cushion mechanism adapter plate 480,480a are hinged.The left and right end of the connecting rod 474 in left and right four-bar linkage 470,470a, one end of 474a and rear lifting strut bar 460a is hinged, and the other end of connecting rod 474,474a and left and right seat cushion mechanism adapter plate 480,480a are hinged.Left and right seat cushion mechanism adapter plate 480,480a are fixed on seat cushion framework 120.
At connecting rod 471, 472 one end hinged with the left side of buttocks support frame 310 are provided with intermeshing tooth 4711, 4721, at connecting rod 471a, one end that the right side of 472a and buttocks support frame 310 is hinged is provided with intermeshing tooth 4711a, 4721a, at connecting rod 473, 474 are provided with intermeshing tooth 4731 with the hinged one end of left seat cushion mechanism adapter plate 480, 4741, at connecting rod 473a, the hinged one end of 474a and right seat cushion mechanism adapter plate 480a is provided with intermeshing tooth 4731a, 4741a, such buttocks support frame 310 can be locked in any position.
Leg support mechanism 500 comprises a leg holder stay bearing plate 510 and left and right leg holder promotes connecting rod 520,520a, the left and right two ends of the rear side of leg holder stay bearing plate 510 are hinged on the left and right two ends on front side of buttocks support frame 310, left and right leg holder promotes connecting rod 520, one end of 520a is hinged on the left and right two ends on front side of leg holder stay bearing plate 510, and the other end is hinged on the two ends, left and right of prerequisite ascending branch strut 460.When child seat seat cushion 300 is promoted by cushion lifting mechanism 400, prerequisite ascending branch strut 460 moves backward, drives the front side of leg holder stay bearing plate 510 to move downward, enter into using state by left and right leg holder lifting connecting rod 520,520a.When child seat seat cushion 300 is driven decline by cushion lifting mechanism 400, prerequisite ascending branch strut 460 travels forward, and is promoted the front side upward movement of connecting rod 520,520a drive leg holder stay bearing plate 510, enter into hidden state by left and right leg holder.