CN107199924B - Child safety seat - Google Patents

Child safety seat Download PDF

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Publication number
CN107199924B
CN107199924B CN201610150667.9A CN201610150667A CN107199924B CN 107199924 B CN107199924 B CN 107199924B CN 201610150667 A CN201610150667 A CN 201610150667A CN 107199924 B CN107199924 B CN 107199924B
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CN
China
Prior art keywords
locking
child safety
safety seat
linkage
sliding block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610150667.9A
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Chinese (zh)
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CN107199924A (en
Inventor
刘修平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUNNYLOVE BABY PRODUCTS ZHUHAI CO Ltd
Original Assignee
SUNNYLOVE BABY PRODUCTS ZHUHAI CO Ltd
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Application filed by SUNNYLOVE BABY PRODUCTS ZHUHAI CO Ltd filed Critical SUNNYLOVE BABY PRODUCTS ZHUHAI CO Ltd
Priority to CN201610150667.9A priority Critical patent/CN107199924B/en
Publication of CN107199924A publication Critical patent/CN107199924A/en
Application granted granted Critical
Publication of CN107199924B publication Critical patent/CN107199924B/en
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2851Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests

Abstract

The present invention relates to a kind of child safety seat, which includes chair framework, headrest, pedestal, ISOFIX interface arrangement and device for adjusting posture, and the device for adjusting posture includes locking device;For the locking device for fixing with chair framework, the locking device includes link mechanism;Wherein, the locking device is realized by the link mechanism and is locked or unlocked with the pedestal.In above-mentioned child safety seat, chair framework is fixed with device for adjusting posture, and device for adjusting posture and pedestal lock, then chair framework is fixed with pedestal;Device for adjusting posture and pedestal unlock, then chair framework and pedestal unlock.Locking or unlocking between device for adjusting posture and pedestal is realized by link mechanism, and easy to operate, structure is simple.

Description

Child safety seat
Technical field
The present invention relates to children's traffic safety field more particularly to a kind of child safety seats.
Background technique
In recent years, with the fast development of automobile industry, automobile services industry, China's domestic automobile quantity is constantly doubled, I The traffic law of state is also constantly improve, and when passenger car is loaded with child, laws and regulations requirement children must be sitting in child safety seat On chair.Child safety seat is exactly children's design that one kind aims at different weight (or age bracket), and child is strapped in emergency seat In chair, the seat of children riding safety can be effectively improved.According to traffic accident data statistics, about more than 18000 youngsters every year Child dies of traffic accident, and when having a car accident, the baby child's death rate for not installing child safety seat in automobile is to be mounted with that children pacify 8 times of full seat, injury rate is 3 times.Should statistics indicate that, a more child safety seat of safety of research invention is that have very much Practical significance and value.Recent years, due to the frequent generation of traffic accident, not to automobile children safety chair performance requirement Disconnected to improve, traditional child safety seat is no longer satisfied national standard and the product demand of people.
Traditional safety seat is a kind of common seat, by being engaged positioning with the hook in back seat undercut, So that children need the constraint by seat harness, and seat posture itself cannot be adjusted.To conventional child safety seat Known to chair analysis: seat posture itself can not be adjusted, fixed headrest can seriously affect the comfort of seat, not meet people The design of property, is for functional defect.
Summary of the invention
The purpose of the present invention is to propose to a kind of child safety seats, to optimize device for adjusting posture in child safety seat Structure.
To achieve the above object, the present invention provides a kind of child safety seat, including chair framework, headrest, pedestal, ISOFIX interface arrangement and device for adjusting posture, the device for adjusting posture include locking device;The locking device be used for Chair framework is fixed, and the locking device includes link mechanism;Wherein, the locking device by the link mechanism realize with The pedestal locks or unlocks.
Further, the pedestal offers gear hole, and the locking device further includes gear lever and operating mechanism;It is described One end of link mechanism is connect with the operating mechanism, and the other end of the link mechanism is connect with one end of the gear lever; The other end of the gear lever and the gear hole cooperate;
Wherein, pull the operating mechanism that the link mechanism can be driven to draw the gear lever in the gear hole is located at Out, it is unlocked between the locking device and the pedestal.
Further, the locking device further includes the first shell and second shell being fixedly connected, the first shell Cavity is formed between the second shell;
The first shell with the chair framework for fixing, and the link mechanism is located in the cavity, the shelves Position bar stretches out the first side wall of the second shell, and the operating mechanism stretches out the second sidewall of the second shell, and described the One side wall and the second sidewall are adjacent.
Further, the link mechanism includes first connecting rod and second connecting rod, the first end of the first connecting rod and institute State that operating mechanism is hinged, the second end of the first connecting rod and the middle part of the second connecting rod are hinged, and the of the second connecting rod One end is hinged by slotted hole with the gear lever, and the second end and second shell of the second connecting rod are hinged.
Further, the first connecting rod and the second connecting rod are all two, and the second connecting rod is respectively and described in one Gear lever is hinged by slotted hole, and two gear levers are stretched out from two opposite the first side walls of the second shell.
It further, further include resetting-mechanism, the resetting-mechanism is connect with the operating mechanism, for what will be drawn out The operating mechanism is reset to the position that the gear lever is inserted into the gear hole.
Further, the resetting-mechanism includes reset spring, and one end of the reset spring and the second shell are solid Fixed, the second end of the reset spring is fixed with the operating mechanism.
Further, the pedestal is equipped with installation cavity, and the locking device is mounted in the installation cavity, the peace The side wall for filling cavity is equipped with arc guide barrel, is equipped with the gear hole in the arc guide barrel;
Wherein, after the gear lever pops up the gear hole, the gear can be driven by pulling on the locking device Bar can slide in the arc guide barrel.
Further, the gear hole at least two, the shifting of the arrangement mode and the gear lever of each gear hole Dynamic path matching.
Further, one of both described chair framework and the pedestal are equipped with inner arc sliding slot, wherein another set There is arc-shaped slide rail, the arc-shaped slide rail is located in the inner arc sliding slot;
Wherein, it is additionally provided with arc groove on one of the chair framework and the pedestal, wherein another be equipped with shaft, institute The structure of arc groove and the structure matching of the inner arc sliding slot are stated, so that the shaft can be relative to the inner arc sliding slot Sliding.
It further, further include head rest adjusting device, the headrest is movably arranged at the seat along up and down direction On chair skeleton, the head rest adjusting device is for adjusting height of the headrest being connected on chair framework relative to the chair framework Degree, the head rest adjusting device include at least one lockable mechanism, and the lockable mechanism includes being set to the headrest and described The first locking part and movable connecting mechanism on one in chair framework, wherein first locking part be used for along Lower direction is successively arranged at intervals at any one in multiple second locking parts on another in the headrest and chair framework A cooperation, the movable connecting mechanism include the first STATEMENT OF FEDERALLY SPONSORED, and first STATEMENT OF FEDERALLY SPONSORED has the first linkage end and with described the The second opposite linkage end of one linkage end, second linkage end surround first linkage end and are located at first linkage end First axle between second linkage end is swung, and the first linkage end drives institute around the swing of the first axle The first locking part is stated to move between locked and unlocked positions, in the latched position, first locking part with it is described The cooperation of second locking part is sealed in the unlocked position, described first to realize the locking rested the head on the chair framework Portion and second locking part, which release, to be cooperated to release the locking of the headrest and the chair framework.
Further, the first axle is arranged along the longitudinal direction and relative to living described in the headrest and chair framework A fixation where dynamic coupling mechanism.
Further, the movable connecting mechanism further includes the second STATEMENT OF FEDERALLY SPONSORED, and second STATEMENT OF FEDERALLY SPONSORED drives described second End motion link so that first linkage end generates the swing around the first axle.
Further, second STATEMENT OF FEDERALLY SPONSORED is connecting rod, and the first end of the connecting rod and second linkage end are hinged, institute The second end for stating connecting rod is moved along up and down direction.
Further, second STATEMENT OF FEDERALLY SPONSORED can be rotated around second axis, the second linkage end and described second STATEMENT OF FEDERALLY SPONSORED is slidably matched.
Further, the second axis is arranged in left-right direction and relative to living described in the headrest and chair framework A fixation where dynamic coupling mechanism.
Further, second STATEMENT OF FEDERALLY SPONSORED, which is equipped with, surrounds the helicla flute that the second axis is arranged, and described second Moved end is slidably matched with the helicla flute;Alternatively, second STATEMENT OF FEDERALLY SPONSORED is cam, the second linkage end and the cam are sliding Dynamic cooperation.
Further, the head rest adjusting device further includes operating mechanism, operating mechanism driving second linkage Part generates the movement for driving the second linkage end motion.
Further, the operating mechanism includes the longitudinal operation portion connecting with second STATEMENT OF FEDERALLY SPONSORED, longitudinal behaviour The portion of work can be moved relative to one where movable connecting mechanism described in the headrest and chair framework along up and down direction, And mobile driving second STATEMENT OF FEDERALLY SPONSORED of up and down direction of longitudinal operation portion generates and drives the second linkage end motion Movement.
Further, second STATEMENT OF FEDERALLY SPONSORED is connecting rod, and the first end of the connecting rod and second linkage end are hinged, institute The second end for stating connecting rod connect with longitudinal operation portion and moves as the up and down direction of longitudinal operation portion is mobile.
Further, second STATEMENT OF FEDERALLY SPONSORED can be rotated around second axis, the second linkage end and described second STATEMENT OF FEDERALLY SPONSORED is slidably matched;The operating mechanism further includes mediation member, and the mediation member is used for longitudinal operation The mobile rotation around the second axis for being converted into second STATEMENT OF FEDERALLY SPONSORED of the up and down direction in portion.
Further, the mediation member includes spanner, and the spanner is connected to second STATEMENT OF FEDERALLY SPONSORED and indulges with described To between operation portion, the longitudinal direction operation portion is able to drive the spanner rotation and the rotation of the spanner is able to drive described the Two STATEMENT OF FEDERALLY SPONSOREDs are rotated around the second axis.
Further, longitudinal operation portion includes pulling department and grip part, the grip part by pulling department with it is described The connection of second STATEMENT OF FEDERALLY SPONSORED, the pulling department extends along up and down direction, and the holding area is and described in the top of the headrest Grip part and the pulling department are rested the head on one where movable connecting mechanism described in chair framework relative to described along upper Lower direction is movably arranged.
Further, the head rest adjusting device includes two lockable mechanisms, described in the operating mechanism and two Second STATEMENT OF FEDERALLY SPONSORED is all connected with.
Further, the movable connecting mechanism further includes resetting apparatus, and the resetting apparatus makes described for providing One locking part is moved to the active force of the latched position by the unlocked position.
Further, the resetting apparatus includes reset spring, and the reset spring is set to first locking part One end far from second locking part simultaneously makes first locking part close to second lock first locking part application The active force in conjunction portion.
Further, first locking part is locating piece, and second locking part is location hole, the locating piece and institute Location hole engaging is stated to realize the locking of the headrest and the chair framework.
Further, the head rest adjusting device further include be arranged in a one-to-one correspondence at least one described lockable mechanism to A few fit structure, the fit structure include for where the second locking part described in the headrest and chair framework The interconnecting piece of one connection, wherein the multiple second locking part is located on the fit structure.
Further, the head rest adjusting device further includes guide frame, the guide frame relative to it is described headrest and A fixed setting where movable connecting mechanism described in chair framework, the first locking part leading in the guide frame It is moved between the latched position and the unlocked position under to effect.
Further, one in the guide frame and first locking part includes gib block, the guide frame There is the guide groove that is slidably matched with the gib block with another in first locking part.
Further, first locking part is equipped with the first toothed region, and first linkage end is equipped with the second toothed region, First toothed region and second toothed region form gear pair, and first linkage end swings by the gear pair band First locking part is moved to move between the latched position and the unlocked position.
Further, the headrest and one where movable connecting mechanism described in chair framework are equipped with cavity, institute The lockable mechanism for stating head rest adjusting device is set in the cavity.
Further, the ISOFIX interface arrangement includes ISOFIX interface, latch structure, sliding block, cam disc and at least One telescopic rod, the latch structure, sliding block and cam disc are located in the pedestal, at least one described telescopic rod is slideably It is located in the pedestal, the ISOFIX interface is located at one end that the telescopic rod stretches out outside the pedestal, the latch structure It is connected with the slide block, for carrying out position locking, the working face of the cam disc and the sliding block to each telescopic rod Cooperation, the cam disc can rotate to drive the sliding block mobile under external force, to pull out to latch structure generation Power is sold, to realize unlock of the latch structure to the telescopic rod.
Further, the ISOFIX interface arrangement further includes tension part, can generate and open in the slide block movement Clamp force is as the power of pulling pin to the latch structure, to realize unlock of the latch structure to the telescopic rod.
Further, the telescopic rod is two, and two telescopic rods are respectively provided at the left and right sides in the pedestal, The tension part is wirerope, and sliding block and both ends described in the steel wire penetrating connect with the latch structure of two sides respectively It connects.
Further, the moving direction of the sliding block is parallel with the glide direction of the telescopic rod, and with the bolt knot The direction of pulling pin of structure is vertical.
Further, the ISOFIX interface arrangement further includes the first spring, and the pedestal is equipped with slide block slot, the cunning Block is located in the slide block slot, and one end of the sliding block and the cam disc cooperate, and first spring is located at the sliding block Between the other end and the slide block slot.
Further, the latch structure includes: detent block and spaced along the length direction of the telescopic rod One end of multiple locating slots, the detent block can be realized when being embedded in the locating slot to the flexible rod lock, and is being taken off The unlock to the telescopic rod is realized when from the locating slot.
Further, the ISOFIX interface arrangement further includes second spring, and fixture block groove is additionally provided on the pedestal, described Second spring is set on the detent block, and is limited between the detent block and the fixture block groove.
Further, the ISOFIX interface arrangement further includes sliding block detent disk, and the sliding block detent disk is coaxially located at institute The side of cam disc is stated, sliding block detent slot is evenly equipped on the periphery of the sliding block detent disk, lock can be in the telescopic rod The sliding block is limited when determining state.
Further, the sliding block detent disk and the cam disc can relatively rotate, and the ISOFIX interface arrangement also wraps The ratchet being hinged on the cam disc is included, the ratchet can be fastened in the sliding block detent slot, in the telescopic rod Make the cam disc that the sliding block detent disk be driven to rotate synchronously during locking.
Further, the ISOFIX interface arrangement further includes third spring, and the third spring is connected to the ratchet Between the cam disc.
Further, the maximum outside diameter of the cam disc is greater than the maximum outside diameter of the sliding block detent disk.
Further, the ISOFIX interface arrangement further includes handlebar stem, the handlebar stem be located on the cam disc and Free end is stretched out outside the pedestal.
Further, the ISOFIX interface arrangement further includes sliding slot, and the telescopic rod can slide in the sliding slot, The sliding slot is equipped with guiding groove on the side wall of the neighbouring locating slot, one end of the detent block pass through after the guiding groove with The locating slot cooperation.
Further, the telescopic rod is equipped with the first limiting section, and the sliding slot is in the limit travel position of the telescopic rod The second limiting section is installed, first limiting section can limit the telescopic rod by the blocking of second limiting section.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
In above-mentioned child safety seat, chair framework is fixed with device for adjusting posture, and device for adjusting posture and pedestal lock, Then chair framework is fixed with pedestal;Device for adjusting posture and pedestal unlock, then chair framework and pedestal unlock.Pass through link mechanism Realize locking or unlocking between device for adjusting posture and pedestal, easy to operate, structure is simple.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the perspective view of child safety seat one embodiment of the present invention;
Fig. 2 is the exploded view of child safety seat one embodiment of the present invention;
Fig. 3 is the decomposition of attitude regulating mechanism and chair framework, pedestal in child safety seat one embodiment of the present invention Figure;
Fig. 4 is that attitude regulating mechanism is assembled in the structure on chair framework in child safety seat one embodiment of the present invention Schematic diagram;
Fig. 5 is the first decomposition diagram of attitude regulating mechanism in child safety seat one embodiment of the present invention;
Fig. 6 is the second decomposition diagram of attitude regulating mechanism in child safety seat one embodiment of the present invention;
Fig. 7 is the structural schematic diagram of second shell in child safety seat one embodiment of the present invention;
Fig. 8 is the structural schematic diagram of pedestal in child safety seat one embodiment of the present invention;
Fig. 9 is the decomposition diagram of operating mechanism in child safety seat one embodiment of the present invention;
Figure 10 is the assembling schematic diagram of head rest adjusting device in child safety seat one embodiment of the present invention;
Figure 11 is the exploded view of head rest adjusting device and chair framework in child safety seat one embodiment of the present invention;
Figure 12 is the stereogram exploded view of head rest adjusting device in child safety seat one embodiment of the present invention;
Figure 13 is that ISOFIX interface arrangement is assemblied in the signal on lower lid in child safety seat one embodiment of the present invention Figure;
Figure 14 is the decomposition in child safety seat one embodiment of the present invention after the assembly of ISOFIX interface arrangement with lower cover Schematic diagram;
Figure 15 is the decomposition diagram of ISOFIX interface arrangement in child safety seat one embodiment of the present invention.
In figure:
1- chair framework;2- headrest;3- head rest adjusting device;4- pedestal;5- locking device;11- installation groove;13- arc Shape sliding rail;14- arc groove;20- mounting plate;21- cavity;22- limiting slot, 23- through-hole;25- installs end cap;26- gib block; 30- shaft;31- location hole group;311- location hole;32- locating piece;The first toothed region of 321-;322- guide groove;33- rotating wheel; 331- helicla flute;34- spanner;35- sector gear;351- pillar;The second toothed region of 352-;36- reset spring;37- positioning card Item;38- drawstring;39- pull ring;
51- operating mechanism;52- first connecting rod;53- second connecting rod;54- gear lever;55- gear hole;56- shell;561- First shell;562- second shell;563- boss;564- opening;565- lock pillar;566- pilot hole;567- spring stack;57- is multiple Position spring;43- boss;431- arc guide barrel;44- inner arc sliding slot;45- shaft;46- installs cavity;511- handle slot;512- Articulated shaft;513- type chamber;
61- telescopic rod;62- detent block;63- wirerope;64- sliding block;65- cam disc;651- handlebar stem;652- ratchet; 653- third spring;66- sliding block detent disk;661- sliding block detent slot;The first spring of 67-;68- telescopic rod bracket;681- stroke Slot;682- guiding groove;The second limiting section of 683-;41- upper cover;42- lower cover;421- fixture block groove;422- slide block slot;424- boss; 10- second spring;611- locating slot;612-ISOFIX interface;The first limiting section of 613-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", " longitudinal direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the scope of the present invention.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of child safety seat, including chair framework 1, headrest 2, Pedestal 4, ISOFIX interface arrangement and locking device 5;Chair framework 1 and locking device 5 are fixed, and locking device 5 includes connecting rod machine Structure;Wherein, locking device 5 is realized by link mechanism and is locked or unlocked with pedestal 4.
Above-mentioned child safety seat is provided with pedestal 4, after child safety seat is installed on vehicle, by 4 bearing seat of pedestal The weight of chair skeleton 1, bearing capacity are good;Chair framework 1 and locking device 5 are fixed, and locking device 5 and pedestal 4 lock, then seat Skeleton 1 and pedestal 4 are fixed;Locking device 5 and pedestal 4 unlock, then chair framework 1 and pedestal 4 unlock.It is realized by link mechanism Locking or unlocking between locking device 5 and pedestal 4, easy to operate, structure is simple.
Referring to Fig. 3, pedestal 4 offers gear hole 55, and locking device 5 further includes gear lever 54 and operating mechanism 51;Connecting rod One end of mechanism is connect with operating mechanism 51, and the other end of link mechanism is connect with one end of gear lever 54;Gear lever 54 it is another One end and gear hole 55 cooperate.Wherein, pull operation mechanism 51 can drive link mechanism that will be located at the gear lever in gear hole 55 54 pull out, and unlock between locking device 5 and pedestal 4.
For convenient for link mechanism is arranged, locking device 5 further includes the first shell 561 and second shell 562 being fixedly connected, Cavity is formed between first shell 561 and second shell 562.First shell 561 and chair framework 1 are fixed, and link mechanism is located at In cavity, gear lever 54 stretches out the first side wall of second shell 562, and operating mechanism 51 stretches out the second sidewall of second shell 562, The first side wall and the second sidewall are adjacent.Using forward travel direction as reference, second sidewall is front, first Side wall is left or right face.By being pulled along operating mechanism 51, change the position of gear lever 54 in left and right directions, to realize solution Lock.Under the action of reset spring 57 or operating mechanism 51 is pushed back, 54 return of gear lever is made then to realize locking.
The specific structure of link mechanism is described below.Link mechanism includes first connecting rod 52 and second connecting rod 53, and first connects The first end and operating mechanism 51 of bar 52 are hinged, and the second end of first connecting rod 52 and the middle part of second connecting rod 53 are hinged, and second connects The first end of bar 53 is hinged by slotted hole with gear lever 54, and the second end and second shell 562 of second connecting rod 53 are hinged.
To make the locking of locking device 5 firm, first connecting rod 52 and second connecting rod 53 are all two, and second connecting rod 53 is respective Hinged by slotted hole with a gear lever 54, two gear levers 54 are stretched out from two opposite the first side walls of second shell 562.
For each gear lever 54, the matched gear hole 55 at least two of energy, the row of each gear hole 55 Column mode is matched with the motion track of gear lever 54.
Referring to Fig. 5, the locking device 5 of child safety seat further includes resetting-mechanism, and resetting-mechanism and operating mechanism 51 connect It connects, for the operating mechanism being drawn out 51 to be reset to the position that gear lever 54 is inserted into gear hole 55.
Further, resetting-mechanism includes reset spring 57, and one end of reset spring 57 and second shell 562 are fixed, multiple The second end and operating mechanism 51 of position spring 57 are fixed.This structure will not excessively increase child safety seat device for adjusting posture Weight.
Referring to fig. 4, one of both chair framework 1 and pedestal 4 are equipped with inner arc sliding slot 44, wherein another be equipped with arc Sliding rail 13, arc-shaped slide rail 13 are located in inner arc sliding slot 44.Wherein, arc is additionally provided on one of chair framework 1 and pedestal 4 Slot 14, wherein another be equipped with shaft 45, the structure of arc groove 14 and the structure matching of inner arc sliding slot 44, so that 45 energy of shaft It is slid relative to inner arc sliding slot 44.
After unlock, arc-shaped slide rail 13 slides along arc groove 14, to realize the adjustment of 1 posture of chair framework.Shaft is set 45 can form support between chair framework 1 and pedestal 4, ensure that the stability of pose adjustment, improve child safety seat The safety of chair.
Referring to Fig. 3, pedestal 4 is equipped with installation cavity 46, and locking device 5 is mounted in installation cavity 46, installation cavity 46 Side wall is equipped with arc guide barrel, is equipped with gear hole 55 in arc guide barrel.Wherein, when gear lever 54 pops up gear hole 55, gear lever 54 It can be slid under external force along arc guide barrel.
A specific embodiment is described below, for applying the device for adjusting posture on child safety seat.
As shown in figure 1-9, child safety seat has chair framework 1 and pedestal 4, which is located at chair framework 1 Lower section.Locking device 5 is equipped between chair framework 1 and pedestal 4.As shown in Figure 5 and Figure 6, locking device 5 includes operating mechanism 51, first connecting rod 52, second connecting rod 53 and gear lever 54 further include the gear hole 55 being arranged on pedestal 4.
Operating mechanism 51 can be mounted on 1 bottom of chair framework movably forward and backward, for operating easily, can be in the operation A handle slot 511 is set in mechanism 51.
52 one end of first connecting rod is hinged on operating mechanism 51, and the other end and second connecting rod 53 are hinged.
53 one end of second connecting rod is directly or indirectly hinged on chair framework 1, which also connects with gear lever 54 It is dynamic.
One of cooperation of 54 end of gear lever and gear hole 55 fixes.1 bottom of chair framework is provided with arc-shaped slide rail 13, be provided on pedestal 4 it is coaxial with the arc-shaped slide rail 13 and can Relative sliding inner arc sliding slot 44;1 bottom of chair framework It is additionally provided with arc groove 14, shaft 45 passes through the arc groove 14.Arc groove 14 can be provided on arc-shaped slide rail 13.Furthermore gear Each gear hole center of circle in hole 55 is arranged around a curved line, and the arc of its arc and arc groove is same with the arc of arc-shaped slide rail 13 Axis.
Preferably, it in order to make gear lever 54 automatically reset, can further be set between operating mechanism 51 and chair framework 1 Set a reset spring 57.
In order to increase stationarity and fastness, symmetrically two, correspondingly, gear hole 55 are can be set in gear lever 54 It is arranged symmetrical two groups.Specifically, on front side of above the pedestal 4, there are two boss 43, two groups of gears for symmetrically setting The opposite medial surface of two boss 43 is arranged in hole 55.
Adapting to two gear levers 54, first connecting rod 52 and second connecting rod 53 are also equipped with symmetrical two groups, and two One end of first connecting rod 52 can be hinged on operating mechanism 51 on the same articulated shaft 512.In order to facilitate adding for articulated shaft 512 Work, articulated shaft 512 and operating mechanism 51 can be with separately manufacturings, as shown in Figure 5.
Further, as shown in figure 8,43 medial surface of boss is provided with arc guide barrel 431 with respect to 55 position of gear hole, this Sample, gear lever 54 can be slided to facilitate to adjust and operate when bouncing back adjusting in the arc guide barrel 431.
Referring to fig. 4, further, for preferably fixed operation mechanism 51 and each rod piece, a shell can be set 56, which is fixed together with chair framework 1, and operating mechanism 51, first connecting rod 52, second connecting rod 53 and gear lever 54 are pacified In the shell 56, which is equipped with opening 564 so that operating mechanism 51 has the freedom degree being moved along, in turn Realize that its manipulation acts on.The side wall of the shell 56 is additionally provided with pilot hole 566 so that one end of gear lever 54 is stretched out except shell 56.
Specifically, which can mainly be composed of first shell 561 and second shell 562.Referring to Fig. 7, A boss 563 is equipped in two shells 562, side wall is equipped with an opening 564.Operating mechanism 51 is equipped with can be with the boss 563 The type chamber 513 of sliding is matched, which is mounted in the second shell 562, and one end, that is, handle slot 511 is from opening 564 stretch out except shell 56.
Lock pillar 565 is additionally provided in the second shell 562, one end of second connecting rod 53 is hinged on the lock pillar 565, thus The second connecting rod 53 is hinged on indirectly on chair framework 1.562 side wall of second shell is additionally provided with pilot hole 566, gear lever 54 from It is pierced by the pilot hole 566.First shell 561 and second shell 562 are tentatively fixed by progress such as seam allowance, hooks, thus will Operating mechanism 51 and each rod piece are hidden within the shell 56, and become an integral installation in 1 bottom of chair framework.Fixing seat The screw of chair skeleton 1 and first shell 561 is attached fixation with second shell 562 simultaneously, further to upper second shell it Between be connected and fixed reinforcement.Reset spring 57 is further set, it is preferable that as shown in figure 9,57 one end of reset spring can cover On the articulated shaft 512 of first connecting rod 52 and operating mechanism 51, the other end is then covered in the spring being set in second shell 562 On column 567.
Referring to fig. 4, it in addition, 1 bottom of chair framework is provided with arc-shaped slide rail 13, is provided on pedestal 4 and the arc-shaped slide rail 13 it is coaxial and can Relative sliding inner arc sliding slot 44.Arc groove 14 is offered on arc-shaped slide rail 13, and shaft 45 is set on pedestal 4 Across the arc groove 14.Furthermore each gear hole center of circle of gear hole 55 is arranged around a curved line, and its arc and arc groove 14 Arc is coaxial with the arc of arc-shaped slide rail 13.
Chair framework 1 carry out attitude regulation when, a hand pins 1 bottom margin of chair framework with thumb, with remaining four Finger protrudes into the handle slot 511 of operating mechanism 51, pull operation mechanism 51, so that first connecting rod 52 is driven to move, first connecting rod 52 drive second connecting rod 53 to rotate, and second connecting rod 53 then drives gear lever 54 mobile, and gear lever 54 is made to be detached from the phase of gear hole 55 Gear hole is answered, the lock state of chair framework 1 Yu pedestal 4 is thus relieved.At this moment chair framework 1 is dragged again, makes its arc Sliding rail 13 slides on the inner arc sliding slot 44 of pedestal 4, and in slipping, shaft 45 moves in arc groove 14, gear lever 54 move in arc guide barrel 431;When required position and gear lever 54 opposite with other gear hole are arrived in adjusting, operation is pushed back Mechanism 51 or under the action of reset spring 57, makes 54 return of gear lever, snaps onto another gear hole, and it is dynamic to complete gear shift Make, and then achievees the purpose that seat attitude regulation.
After above-mentioned attitude regulating mechanism, children's seat of the invention is at least had the following beneficial effects:
1. arc-shaped slide rail and inner arc sliding slot due to being provided with exact matching between chair framework and pedestal, and arc Sliding rail and inner arc sliding slot are coaxial arrangement, and such arc-shaped slide rail contacts always with inner arc sliding slot, and therefore, chair framework is in office What posture and during attitude regulation, is supported, securely and reliably by entire arc-shaped slide rail face.
2. being provided with shaft and arc groove, the cooperation of shaft and arc groove, in addition gear between chair framework and pedestal The cooperation of bar and gear hole limits the rotary freedom of chair framework, child safety seat either entire in this way have to Trend that is preceding or turning over, can be limited by two o'clock, make seat using safer.And shaft use on chair framework The arc groove of strip cooperates, and while reaching restriction effect, will not influence the adjusting of posture.
3. each part used in locking device, such as first connecting rod, second connecting rod, gear lever and reset spring, It can use simple using the part that can directly buy on the market, other parts (such as operating mechanism and shell) Moulding, therefore be simple to manufacture, cost can be reduced.
Figure 10-11 shows the head rest adjusting device 3 of one embodiment of the invention and the assembly structure figure of headrest 2 and three-dimensional point Xie Tu.0-11 referring to Fig.1, head rest adjusting device provided by the present invention is for adjusting 2 phase of headrest being connected on chair framework 1 For the height of chair framework 1 comprising at least one lockable mechanism, lockable mechanism include being set to headrest 2 and chair framework 1 In one on the first locking part and movable connecting mechanism, wherein the first locking part be used for along up and down direction successively between Every any one cooperation in multiple second locking parts on another being set in headrest 2 and chair framework 1, it is actively coupled Mechanism includes the first STATEMENT OF FEDERALLY SPONSORED, and the first STATEMENT OF FEDERALLY SPONSORED has the first linkage end and the second linkage end opposite with the first linkage end, the Bigeminy moved end makes the first linkage end surround the first axle swing being located between the first linkage end and the second linkage end, and first Moved end is able to drive the first locking part around the swing of first axle and moves between locked and unlocked positions, in locking bit It sets, the first locking part and the second locking part cooperate the locking to realize headrest 2 with chair framework 1, sealed in unlocked position, first Portion and the second locking part, which release, to be cooperated to release the locking of headrest 2 with chair framework 1.
Head rest adjusting device 3 provided by the present invention, including the on be set in headrest 2 and chair framework 1 one One locking part and the first STATEMENT OF FEDERALLY SPONSORED, wherein the first locking part is used for and is successively arranged at intervals at headrest 2 and seat along up and down direction Any one cooperation in multiple second locking parts on another in chair skeleton 1, and the first STATEMENT OF FEDERALLY SPONSORED include can be around Opposite the first linkage end swung of first axle and the second linkage end, and can around the swing of first axle by the first linkage end Driving the first locking part to move between locked and unlocked positions makes the first locking part and the second locking part cooperate or release Cooperation, in this way when needing to adjust the height of headrest 2, only need to act on the second linkage end makes the first linkage end around first axle string pendulum It is dynamic, it drives the first locking part to move to unlocked position, so that headrest 2 is unlocked with chair framework 1, then move up and down headrest 2 To the second locking part position in proper height, acting on the second linkage end generates the first linkage end around first The backswing of axis drives the first locking part to move to latched position, headrest 2 is locked in the height and position of needs, realizes Adjusting to 2 height of headrest.
As it can be seen that being swung by the first linkage end of control around first axle based on head rest adjusting device 3 of the invention The adjusting for conveniently realizing the height to headrest 2, can satisfy the differentiated demand of seat occupant, improves the comfortable of seat Property, so that the design of seat is more in line with humanized demand.
In the present invention, to the first linkage end around the swing of first axle control mode there are many, such as user can be with Directly stirring the second linkage end with hand makes the first linkage end generate the swing around first axle, so that the first locking part of control is being locked Positioning is set to be moved between unlocked position, and then realizes the height adjustment to headrest 2.But in order to keep user's operation more convenient, Movable connecting mechanism of the invention can also include the second STATEMENT OF FEDERALLY SPONSORED, which is configured to drive the second linkage end It moves so that the swing that the first linkage end is generated around first axle can be by right in this way when needing to adjust the height of headrest 2 Second STATEMENT OF FEDERALLY SPONSORED acts on to control the generation of the first linkage end around the swing of first axle, and then controls the first locking part and locking It is moved between position and unlocked position.
As the first embodiment of the second STATEMENT OF FEDERALLY SPONSORED, the second STATEMENT OF FEDERALLY SPONSORED can be connecting rod, wherein the first end of connecting rod Hinged with the second linkage end, the second end of connecting rod is moved along up and down direction.For example, when the second end of connecting rod is along up and down direction When mobile, the second linkage end hinged with the first end of connecting rod can generate the displacement of left and right directions, thus the first linkage end The swing around the first axle being arranged along the longitudinal direction can be generated, the first locking part of control conciliates lock-bit in latched position It is moved between setting, and then realizes the purpose for adjusting 2 height of headrest.As it can be seen that in this embodiment, the second STATEMENT OF FEDERALLY SPONSORED is by thereon The movement in lower direction makes the first linkage end generate the swing around first axle, therefore, is based on the embodiment, user is by upper The second end for moving down the connecting rod that movement is the second STATEMENT OF FEDERALLY SPONSORED, can conveniently realize the adjusting to 2 height of headrest.
As second of embodiment of the second STATEMENT OF FEDERALLY SPONSORED, the second STATEMENT OF FEDERALLY SPONSORED can be rotated around second axis, and the Bigeminy moved end is slidably matched with the second STATEMENT OF FEDERALLY SPONSORED.For example, second axis can be arranged in left-right direction and relative to headrest 2 and seat A fixation in chair skeleton 1 where movable connecting mechanism, and the second STATEMENT OF FEDERALLY SPONSORED is equipped with the spiral around second axis setting Slot 331, the second linkage end are slidably matched with helicla flute 331, in this way when the second STATEMENT OF FEDERALLY SPONSORED is rotated around second axis, helicla flute 331 can push the displacement of second to be slidably matched therewith linkage end generation left and right directions, the position of the second linkage end left and right directions Shipper pole dynamic first linkage end generates the swing around the first axle being arranged along the longitudinal direction, controls the first locking part in latched position It is moved between unlocked position, realizes the purpose for adjusting 2 height of headrest.For another example second axis can be arranged along the longitudinal direction And relative to a fixation in headrest 2 and chair framework 1 where movable connecting mechanism, the second STATEMENT OF FEDERALLY SPONSORED is cam, and second Link end and cam slide cooperation, and in this way when cam is rotated around second axis, it is left that cam can push the second linkage end to generate The displacement of right direction, and then the first linkage end is driven to swing around the first axle being arranged along the longitudinal direction.As it can be seen that in the embodiment party In formula, the second STATEMENT OF FEDERALLY SPONSORED makes the first linkage end generate the swing around first axle by it around the rotation of second axis, therefore, Based on the embodiment, user can be conveniently realized by rotating the second STATEMENT OF FEDERALLY SPONSORED around second axis to 2 height of headrest It adjusts.
Similarly, in the present invention, the mode moved needed for generating the second STATEMENT OF FEDERALLY SPONSORED be (foregoing up and down direction Rotation mobile or around second axis) also there are many kinds of, naturally it is also possible to by the second STATEMENT OF FEDERALLY SPONSORED of user's direct pull or rotation It realizes, but it is highly preferred that head rest adjusting device 3 of the invention further includes operating mechanism, which is configured to drive Dynamic second STATEMENT OF FEDERALLY SPONSORED generates the movement for driving the second linkage end motion, and such user can be controlled by acting on operating mechanism First linkage end generates the swing around first axle, to further facilitate user's operation, improves user experience.
When head rest adjusting device 3 includes two lockable mechanisms, operating mechanism can be set two in two lockable mechanisms It is all connected between a second STATEMENT OF FEDERALLY SPONSORED and with two the second STATEMENT OF FEDERALLY SPONSOREDs, not only makes structure simpler compact in this way, Er Qieyou It is acted under the control of same operating mechanism in two lockable mechanisms, is also more convenient for realizing the synchronization of two lockable mechanisms movement Property, so that the functional reliability of head rest adjusting device 3 is further increased, so that more convenient to the adjusting of the height of headrest 2 fast It is prompt.
Moreover, it is contemplated that the space to seat up and down direction is more spacious relative to the space in other directions, and carrying out head Rest the head on height adjustment when user more get used to apply up and down direction active force, therefore, operating mechanism of the invention may include with Second STATEMENT OF FEDERALLY SPONSORED connection longitudinal operation portion, the longitudinal direction operation portion can relative to rest the head on 2 and chair framework 1 in be actively coupled machine One where structure is moved along up and down direction, and the up and down direction movement of the longitudinal direction operation portion can drive the second STATEMENT OF FEDERALLY SPONSORED to produce The movement of the dynamic second linkage end motion of green tape.Based on the setting, user need to only move longitudinal operation portion along the vertical direction, can band Movement needed for dynamic second STATEMENT OF FEDERALLY SPONSORED generation, realizes the height adjustment to headrest 2, and adjusting is more convenient, is also more in line with user's Operating habit.
For example, when using the second STATEMENT OF FEDERALLY SPONSORED of the first above-mentioned embodiment, the of connecting rod as the second STATEMENT OF FEDERALLY SPONSORED Two ends can directly be connect with longitudinal operation portion, in this way when longitudinal operation portion moves along the vertical direction, the second end of connecting rod It moves along the vertical direction therewith, so that the first end of connecting rod, which is able to drive the second hinged therewith linkage end, generates right and left To displacement, and then drive first linkage end generate around first axle swing, control the first locking part latched position conciliate It is moved between lock position, realizes the height adjustment to headrest 2.
For another example when using the second STATEMENT OF FEDERALLY SPONSORED of aforementioned second of embodiment, due to the movement side of longitudinal operation portion Formula is the movement of up and down direction, and the motion mode of the second STATEMENT OF FEDERALLY SPONSORED is the rotation around second axis, therefore, in operating mechanism also One be can be set for converting the mediation member of the rotation of the second STATEMENT OF FEDERALLY SPONSORED for moving up and down for longitudinal operating member, example Such as, which can be spanner 34, which is connected between the second STATEMENT OF FEDERALLY SPONSORED and longitudinal operation portion, longitudinal to operate Portion is able to drive the rotation of spanner 34 and the rotation of spanner 34 is able to drive the second STATEMENT OF FEDERALLY SPONSORED and rotates around second axis, in this way when vertical When moving along the vertical direction to operation portion, spanner 34 is rotated, and the second STATEMENT OF FEDERALLY SPONSORED is driven to rotate around second axis, so that The second linkage end being slidably matched with the second STATEMENT OF FEDERALLY SPONSORED generates the displacement of left and right directions, and then the first linkage end is driven to generate around the The swing of one axis, the first locking part of control move between locked and unlocked positions, realize the height tune to headrest 2 Section.
In addition, movable connecting mechanism of the invention can also include resetting apparatus, which makes first for providing Locking part is moved to the active force of latched position by unlocked position, and in this way when the height to headrest 2 is adjusted, user is only needed Apply active force when needing and releasing headrest 2 with the locking of chair framework 1, and needed after headrest 2 is adjusted to proper height by When headrest 2 is locked with chair framework 1, then the active force for applying opposite direction is no longer needed to, and the first locking part can reset Latched position is automatically reverted under the action of device.As it can be seen that by setting resetting apparatus so as to headrest 2 height adjusting more Add conveniently, it is laborsaving.
In order to more clearly illustrate the present invention, next the embodiment in conjunction with shown in Figure 10-11 is carried out more specifically It is bright.
As shown in figs. 10-11, in this embodiment, head rest adjusting device 3 includes two lockable mechanisms, an operating mechanism And two fit structures, wherein the structure of two lockable mechanisms is identical, and for be symmetrically disposed on headrest 2 it is vertical in point The left and right sides in face;Operating mechanism is set between two lockable mechanisms;Two fit structures then with two lockable mechanisms one by one Corresponding, each fit structure includes the interconnecting piece for connecting with chair framework 1, and multiple second locking parts are along upper and lower To being successively positioned apart from the fit structure.
Since the structure of two lockable mechanisms is identical, and the structure of two fit structures is identical, therefore, below only with wherein It is illustrated for one lockable mechanism and a corresponding fit structure.
As shown in figure 11, in this embodiment, fit structure includes positioning strip 37, and positioning strip 37 is equipped with as the The location hole 311 of two locking parts, multiple location holes 311 are successively arranged at intervals at along the vertical direction on positioning strip 37, and it is fixed to be formed Position hole group 31.When in use, which is fixedly connected on chair framework 1, is positioned such that hole group 31 is located at seat bone On frame 1, and multiple location holes 311 are arranged successively along the short transverse of chair framework 1 in up and down direction, thus by that will rest the head on 2 are locked at the location hole 311 at different height position, and the adjusting to 2 height of headrest can be realized.Certainly, location hole group 31 Also it can be arranged directly on chair framework 1, also can directly be punched on seat chair skeleton 1, and embodiment setting positioning Strip 37 is advantageous in that, can increase structural strength, and easy to process, manufacture and assembling.
As shown in FIG. 10 and 11, in this embodiment, lockable mechanism includes the locating piece 32 as the first locking part and lives Dynamic coupling mechanism, wherein movable connecting mechanism includes as the sector gear 35 of the first STATEMENT OF FEDERALLY SPONSORED and as the second STATEMENT OF FEDERALLY SPONSORED again Rotating wheel 33, locating piece 32, sector gear 35 and rotating wheel 33 are all set in and are rested the head on 2.
Wherein, locating piece 32 with any one location hole 311 in location hole group 31 for engaging, and locating piece 32 is along left and right Direction can engage or disengage with location hole 311 when moving, and locating piece 32 is equipped with the first toothed region 321, specially rack gear, this The upper surface for allowing for locating piece 32 and the first linkage end in contact is equipped with rack structure;Sector gear 35 has the first linkage end (the as lower end of sector gear in Figure 11) and the second linkage end opposite with the first linkage end (are sector in Figure 11 The upper end of wheel), the first linkage end is equipped with the second toothed region 352 cooperated with the first toothed region 321, and the second linkage end is equipped with Pillar 351, and the part between the first linkage end of sector gear 35 and the second linkage end is equipped with and is arranged along front-rear direction And the first axle fixed relative to headrest 2, the first linkage end can be made to generate around this by acting on the second linkage end in this way The swing of first axle namely the first linkage end generate the swing along left and right directions;Rotating wheel 33 is surrounded and is set in left-right direction It sets and the second axis fixed relative to headrest 2 rotates, and the rotating wheel 33 is equipped with formed around the second axis and pillar The helicla flute 331 of 351 cooperations.In this embodiment, the first toothed region 321 and the second toothed region 352 are intermeshed, pillar 351 It can slide in insertion helicla flute 331 and along helicla flute 331, form gear pair between such sector gear 35 and locating piece 32 (rack pinion), and formed and be slidably matched between sector gear 35 and rotating wheel 33.
Based on the lockable mechanism, when rotating wheel 33 is around the second axis rotation being arranged in left-right direction, on rotating wheel 33 Helicla flute 331 will push the movement that pillar 351 generates left and right directions, namely will push the second linkage end and move left and right, and by It is equipped with the first axle being arranged along the longitudinal direction between the first linkage end and the second linkage end, therefore, the left side at the second linkage end It moves right and will drive the generation of the first linkage end around the swing of first axle, be then located at 352 meeting of the second toothed region at the first linkage end By be located at locating piece 32 on first engaging for toothed region 321 and drive locating piece 32 generate left and right directions displacement, i.e., The movement close to or far from location hole 311 is generated, when locating piece 32 moves to the position engaged with location hole 311, then locating piece 32 move to latched position, and the locking of headrest 2 with chair framework 1 may be implemented, and when 32 opposite direction of locating piece moves to and determines The position that position hole 311 disengages, then location hole 311 moves to unlocked position, and the unlock of headrest 2 with chair framework 1 may be implemented.
As it can be seen that the movable connecting mechanism of the embodiment can pass through the second STATEMENT OF FEDERALLY SPONSORED (rotating wheel 33) turning around second axis It is dynamic to drive the first linkage end (lower end of sector gear 35) to swing around first axle and pass through the first linkage end and the first locking part Gear pair between (locating piece 32) drives the first locking part (locating piece 32) to move between locked and unlocked positions, adopts Locating piece 32 is converted in left-right direction in latched position and unlock around the swing of first axle by the first linkage end with gear pair Movement between position, transmission accuracy is higher, and bearing capacity is bigger, so that head rest adjusting device 3 of the invention has Higher reliability, a possibility that accidental unlocking can be reduced to a certain extent, and it is able to use family in operation more It is time saving and energy saving.
But it should be recognized that the first linkage end is made to drive the first locking part to exist in left-right direction around the swing of first axle The mode moved between locked is not limited to gear pair shown in the embodiment, for example, the first linkage End can be set to the form similar to shift fork and shifting block with the first locking part, in this way when the first linkage end is swung around first axle When, the first linkage end can stir the first locking part and move left and right, realize the first locking part locked it Between movement.
As shown in figure 11, in this embodiment, operating mechanism includes vertically operating portion and spanner 34, and movable connecting mechanism Further include the reset spring 36 as resetting apparatus, wherein spanner 34 be located between two rotating wheels 33 and with two rotating wheels 33 are all connected with, and the rotation of spanner 34 is able to drive two rotating wheels 33 and rotates around second axis, specifically, as shown in Figure 10, spanner 34 is coaxially connected by shaft 30 and two rotating wheels 33 positioned at 34 two sides of spanner, in this way when spanner 34 rotates, can lead to Crossing shaft 30 drives rotating wheel 33 to rotate;Vertically operating portion includes as the drawstring 38 of pulling department and as the pull ring of grip part 39, pull ring 39 is connect by drawstring 38 with spanner 34, and drawstring 38 extends along the short transverse of headrest 2, and pull ring 39 is located at headrest 2 Top, and pull ring 39 and drawstring 38 are movably arranged relative to headrest 2 along up and down direction, need to only pull up pull ring in this way 39, drawstring 38 can be rotated with wrench 34, and locating piece 32 is made to move to unlocked position by latched position;Reset spring 36 1 End is connect with the one end in the remotely located hole 311 of locating piece 32, and the other end is then used to be fixed on headrest 2, such reset spring 36 can store power during locating piece 32 moves to unlocked position by latched position, and be moved to proper height in headrest 2 The power stored is released afterwards and is acted on locating piece 32, namely makes locating piece 32 close to location hole the application of locating piece 32 311 active force makes locating piece 32 move to latched position by unlocked position automatically.
The process being adjusted based on height of the embodiment to headrest 2 are as follows: when height of the needs to headrest 2 is adjusted When, user need to only pull up pull ring 39, and pull ring 39 is rotated by drawstring 38 with wrench 34, and the rotation of spanner 34 passes through shaft 30 drive rotating wheel 33 to rotate around second axis, and for rotating wheel 33 in rotation, the helicla flute 331 on rotating wheel 33 will push sector Second linkage end of gear 35 generates movement, so that the first linkage end of sector gear 35 is made to generate the swing around first axle, The second toothed region 352 positioned at the first linkage end is engaged with the first toothed region 321 being located on locating piece 32, drives locating piece 32 The movement for generating remotely located hole 311, when locating piece 32 moves to unlocked position, locating piece 32 and location hole 311 are disengaged, head Pillow 2 is unlocked with chair framework 1, so that headrest 2 can move along the vertical direction, in this process, reset spring 36 is pressed Contracting stores power;And when headrest 2 adjusts and arrives proper height position, pull ring 39 is unclamped, reset spring 36 discharges the power stored, makes to position Block 32 is moved close to location hole 311, and sector gear 35, rotating wheel 33, spanner 34, drawstring 38 and pull ring 39 is driven reversely to transport It is dynamic, until each member reset, locating piece 32 return back to latched position by unlocked position, engage again with location hole 311, will rest the head on 2 are fixed on proper height, so far complete the adjusting to 2 height of headrest.
The head rest adjusting device 3 of the embodiment can easily release headrest 2 and chair framework 1 by pulling pull ring 39 Locking, and will rest the head on 2 be moved to proper height after, only need to unclamp pull ring 39, locating piece 32 can be in reset spring 36 Under the action of automatically revert to latched position, headrest 2 is locked in proper height position, and user no longer needs to apply acting in opposition Power, therefore, the adjusting of 3 pairs of head rest adjusting device headrests 2 of the embodiment are more convenient laborsaving.Moreover, reset spring 36 can also Enough play the role of the auxiliary positioning to locating piece 32, so that the functional reliability of the head rest adjusting device 3 of the embodiment is higher.
The embodiment setting drawstring 38 and pull ring 39 be advantageous in that, from headrest 2 top stretch out and be located at rest the head on 2 on drawing Ring 39, the use for the user that is more convenient for, and relative to directly by pulling the case where spanner 34 is operated, pulling pull ring 39 is more The operating habit for meeting user, is limited less by operating space, but also the maloperation because touching generation can be prevented, into one Step reduces a possibility that accidental unlocking.
But it should be recognized that the pulling department and operation portion in the vertically operating portion in the embodiment are not limited to drawstring 38 , when pulling department is pulling plate, it can be not provided with reset spring 36 for example, pulling department can also be pulling plate with the form of pull ring 39, And will rest the head on 2 be moved to proper height after, directly realized by pulling down pull ring 39 and headrest 2 relocked.
Moreover, the embodiment can also be not provided with longitudinal operation portion, and directly realized by pulling spanner 34 to headrest 2 The adjusting of height can also be not provided with reset spring 36 in this case.When be not provided in the embodiment vertically operating portion and When reset spring 36, the process that the height of headrest 2 is adjusted is as follows: pulling spanner 34, the rotation of spanner 34 drives rotation Wheel 33 is rotated around second axis, and for rotating wheel 33 in rotation, the helicla flute 331 on rotating wheel 33 will drive sector gear 35 around the The rotation of one axis, even if also the first linkage end generates the swing around first axle, the first linkage end swings by the second tooth form The movement for driving locating piece 32 to generate remotely located hole 311 is engaged with the first toothed region 321 by portion 352, when locating piece 32 moves When to unlocked position, locating piece 32 and location hole 311 are disengaged, and headrest 2 is unlocked with chair framework 1, so that headrest 2 can edge Up and down direction is mobile;After headrest 2 is moved to suitable height and position, spanner 34 is reversely pulled, spanner 34 rotates backward then Rotating wheel 33 is driven to rotate backward around second axis, rotating wheel 33 rotates backward and sector gear 35 is driven to rotate backward, So that the first linkage end backswing, the second toothed region 352 is reversely engaged with the first toothed region 321, so that locating piece 32 generates Close to the movement of location hole 311, when locating piece 32 moves to latched position, then locating piece 32 engages with location hole 311, headrest 2 lock with chair framework 1, so that headrest 2 is locked in proper height, so far complete the adjusting to 2 height of headrest.
In addition, head rest adjusting device 3 of the invention further includes guide frame, which sets relative to the fixation of headrest 2 It sets, the first locking part moves between locked and unlocked positions under the guiding role of guide frame, ties in this way in guiding Under the action of structure, the first locking part can more accurately be realized to be locked or unlocked with the second locking part, so as to further Improve the functional reliability of head rest adjusting device 3.Specifically, in the embodiment shown in Figure 10-11, guide frame includes guiding Item 26, the gib block 26 are fixedly connected with headrest 2, meanwhile, locating piece 32 is equipped with guide groove 322, and guide groove 322, which is set in, leads It is slidably matched on item 26 and with the formation of gib block 26, in this way when the first linkage end is swung around first axle, in gib block 26 Under the action of locating piece 32 can only be moved along left and right directions so that locating piece 32 can more accurately in latched position and It is moved between unlocked position, guarantees that 2 height adjustments of headrest more successfully carry out.Certainly, the implementation of guide frame is simultaneously It is not limited to shown in the embodiment, is equipped with gib block 26 for example, guide frame is equipped with guide groove 322 and locating piece and also can Realize guiding role, namely only to need one in guide frame and the first locking part include gib block 26 and another has and leads The guide groove 322 being slidably matched to item 26.
In above-described embodiment, only it is fixed on chair framework 1 with location hole 311 (the second locking part) and lockable mechanism is arranged In headrest 2 on for be illustrated, but in fact, location hole 311 (the second locking part) be fixed on headrest 2 on and lockable mechanism is set It is placed on chair framework 1 and similarly can be realized the purpose of the present invention, principle is identical, and details are not described herein again.
As shown in figure 12, in this embodiment, chair framework 1 is equipped with installation groove 11, and headrest 2 is equipped with recessed with installation The mounting plate 20 that slot 11 cooperates, mounting plate 20 are inserted into installation groove 11 and can move along the vertical direction, so that 2 edges of headrest Up and down direction be movably arranged on chair framework 1.Positioning strip 37 is assemblied on the side wall of installation groove 11, is set thereon There is the location hole 311 as the second locking part, is positioned such that hole 311 is set on chair framework 1.As shown in Figure 10, on headrest 2 Mounting plate 20 be equipped with cavity 21, the lockable mechanism of head rest adjusting device 3 is set in cavity 21, enables to children in this way The structure of safety seat is more compact, and is conducive to keep the planarization of the front end face of headrest 2.As shown in Figure 10, in the implementation In example, the side wall of cavity 21 is equipped with through-hole 23, so that the stretching of locating piece 32 engages with location hole 311;Moreover, in cavity 21 also Equipped with limiting slot 22, locating piece 32 is set in the limiting slot 22, may further ensure that locating piece 32 can only make level in this way Movement.
In addition, as shown in Figure 12, in this embodiment, child safety seat further includes installation end cap 25, the installation end cap 25 lids close on the open end to cavity 21, in this way can be hidden to lockable mechanism progress, to be further ensured that headrest 2 The planarization of front end face, so that the overall structure of seat main body is more beautiful, but also occupant can more cosily lean on. Certainly, when the operating mechanism of head rest adjusting device 3 needs to realize the adjusting to the height of headrest 2 by pulling spanner 34, Setting it can also can make the handle hole of the exposing of spanner 34 on installation end cap 25.
In the embodiment shown in Figure 13 to Figure 14, the present invention provides a kind of ISOFIX interface of child safety seat dresses It sets, for child safety seat (subsequent abbreviation " seat " for convenience) to be mounted on back seat, such as Figure 13 to figure Shown in 15, ISOFIX interface arrangement be may be mounted in the pedestal 4 of seat, only stretch out ISOFIX interface 612 outside pedestal 4.? In child safety seat shown in FIG. 1, pedestal 4 can be made of the upper cover 41 and lower cover 42 mutually fastened up and down, for this Structure, ISOFIX interface arrangement of the invention can be set in the lower cover 42 of pedestal 4.
In a schematical embodiment, referring to Figure 13 to Figure 15, the ISOFIX of child safety seat of the invention is connect Mouth device, comprising: ISOFIX interface 612, latch structure, sliding block 64, cam disc 65 and at least one telescopic rod 61, ISOFIX connects Mouthfuls 612 are located at one end that telescopic rod 61 stretches out outside pedestal 4, telescopic rod 61 can in the way of Figure 15 with ISOFIX interface 612 Construction integration seperated can also be constructed, then be interconnected by connection structure.Latch structure, sliding block 64 and cam disc 65 It is located in the pedestal 4 of seat, at least one telescopic rod 61 is located in pedestal 4 in which can slide back and forth, and generally, seat includes two It is respectively provided at the telescopic rod 61 of 4 left and right sides of pedestal.Latch structure is connect with sliding block 64, for carrying out position to each telescopic rod 61 Locking is set, the working face and sliding block 64 of cam disc 65 cooperate, and cam disc 65 can rotate to drive sliding block 64 under external force It is mobile, to generate power of pulling pin to latch structure, to realize unlock of the latch structure to telescopic rod 61.
The ISOFIX interface arrangement of the prior art is embedded into ratchet by pawl realizes locking, can only realize one-way lock Fixed, so that seat is not necessarily to unlock in one direction and can be moved, such seat may be sent out under the influence of the impact force Life is slided and causes security risk.And ISOFIX interface arrangement of the invention, by using latch structure to being slidably arranged Telescopic rod is locked, can in the glide direction of telescopic rod to seat realize Bidirectional locking, so no matter by seat to Which direction adjustment is required to be unlocked in advance, and when automobile is by biggish impact force, play is less likely to occur seat, can To improve the fixed reliability and security of seat, so that the personal safety for children provides effective guarantee.In addition, by convex The mobile unlocking manner to generate power of pulling pin to latch structure of the rotate driving sliding block of wheel disc, so that operator need to only control cam Disk rotation can control the telescopic rod of the left and right sides while unlock, without being individually unlocked to each telescopic rod, so that solution Lock operation is more convenient, and the use of cam disc can make such pulling-out mechanism more save sky along seat front-rear direction Between, overall structure is more compact.
In order to keep the following description to each embodiment more convenient, a kind of adoptable knot of latch structure is first provided herein Structure, certain implementation are not limited only to this.Decomposition diagram as shown in figure 15, telescopic rod 61 can use section for rectangle Tubular structure, latch structure include: detent block 62 and the spaced multiple locating slots of length direction along telescopic rod 61 611, one end of detent block 62 can realize the locking to telescopic rod 61 when being embedded in locating slot 611, and be detached from locating slot 611 Unlock of the Shi Shixian to telescopic rod 61.
Further, in order to facilitate the sliding of telescopic rod 61, ISOFIX interface arrangement further includes sliding slot, and telescopic rod 61 can It is slided in sliding slot, sliding slot is equipped with guiding groove 682 on the side wall of positioned adjacent slot 611, and one end of detent block 62 passes through guidance Cooperate after slot 682 with locating slot 611.For example, realizing one end, locating slot 611 and the guiding groove 682 of bolt function on detent block 62 It is both designed as rectangular configuration, locating slot 611 and guiding groove 682 is enabled to constrain the rotary freedom of detent block 62.Certainly, root It also can choose other types of fit structure according to design requirement.Sliding slot in the embodiment is the structure functionally stated, In the schematic views in particular, sliding slot can directly be processed on lower cover 42, and a telescopic rod bracket 68 also can be set (such as Figure 15 institute Show), telescopic rod bracket 68 is the frame-shaped structure for offering stroke groove 681, and stroke groove 681 is used as sliding slot, then by the telescopic rod Bracket 68 is mounted in lower cover 42.In addition, a crossbeam can be installed between two telescopic rod brackets 68, made with playing to reinforce With, moreover it is possible to the spacing for guaranteeing two telescopic rod brackets 68 keeps sliding of the telescopic rod 61 in sliding slot more flexible.
It in another preferred embodiment can also be in telescopic rod in order to limit the flexible stroke of ISOFIX interface 612 First limiting section 613 is set on 61, such as the first limiting section 613 is the bulge-structure being located on 61 outer surface of telescopic rod, sliding slot It is equipped with the second limiting section 683 in the limit travel position of telescopic rod 61, the first limiting section 613 can pass through the second limiting section 683 Blocking to telescopic rod 61 limit.Preferably, extreme position sets the second limiting section before and after the movement of telescopic rod 61 683, such as the second limiting section 683 is the beam structure for being located at the opening of telescopic rod bracket 68 face.
On the basis of above-mentioned latch structure, ISOFIX interface arrangement of the invention may also include tension part, bolt knot Detent block 62 in structure is connect with sliding block 64 by tension part, and sliding block 64 during exercise pulls tension part, makes to open Tight component generates tensile force as the power of pulling pin to latch structure, to realize unlock of the latch structure to telescopic rod 61.
Preferably, tension part is wirerope 63, wirerope 63 pass through sliding block 64 and both ends respectively with two sides latch structure In detent block 62 connect, when latch structure is in the lock state, wirerope 63 is in relaxed state.In order to realize wirerope 63 connection can open up the first hole in the corresponding position of sliding block 64, and open up close to one end of sliding block 64 in detent block 62 Two holes, after wirerope 63 passes through the first hole, two ends are each passed through the second hole and fixation can be realized after winding.In order to The play in the first hole of wirerope 63 is avoided as far as possible, and the position difference of 64 left and right sides of sliding block can also be located on wirerope 63 Position limiting structure is set.The embodiment forms one and is made of cam disc 65- sliding block 64- wirerope 63- detent block 62 as a result, Linkage of unlocking mechanism.
In a kind of linkage of unlocking mechanism symmetrically arranged on the left and the right, the moving direction of sliding block 64 and the sliding side of telescopic rod 61 To parallel and vertical with the direction of pulling pin of latch structure, i.e., T-shaped structure is collectively formed in detent block 62, wirerope 63 and sliding block 64, When controlling the rotation of cam disc 65 moves sliding block 64 along seat front-rear direction, wirerope 63 can be made to be tensioned, to pass through steel The tensile force of cord 63 makes two detent blocks 62 generate inside relative motion, and then synchronizes and realize pulling pin for two sides latch structure Movement.The embodiment can make full use of the space in pedestal 4, so that overall structure is more compact, and when realizing unlock Left and right sides stress can be made more balanced, to keep the job stability of unlocking mechanism higher.In addition to this, sliding block 64 is with it The embodiment of its angle arrangement is also within the scope of the present invention.
For above-described embodiment, after the unlock of latch structure is realized in the rotation for making cam disc 65 by external force, so that it may Control telescopic rod 61 slides into suitable position, then again by rotating backward cam disc 65, then makes sliding block 64 with cam disc 65 rotation reverse movement.In order to realize this function, as shown in figure 13, ISOFIX interface arrangement may also include the first spring 67, slide block slot 422 is equipped on pedestal 4, sliding block 64 is located in slide block slot 422, and slide block slot 422 being capable of movement rail to sliding block 64 Mark guides, and one end of sliding block 64 and cam disc 65 cooperate, and the first spring 67 is located at the other end and slide block slot 422 of sliding block 64 Between.For example, the first spring 67 is pressure spring, the first spring 67 is connected between the other end of sliding block 64 and slide block slot 422, when convex When 65 counter motion of wheel disc, sliding block 64 resets under the active force of the first spring 67, to guarantee that it is convex that one end of sliding block 64 is resisted against On the working face of wheel disc 65;Or first spring 67 may also be arranged on side identical with cam disc 65, at this moment just need One spring 67 is set as tension spring.In other embodiments, cam disc 65 and sliding block 64 can also be both designed as magnetic texure, It is contacted with each other by suction between the two to realize.
Then, sliding block 64 with cam disc 65 rotation reverse movement after, tension part (such as wirerope 63) by It is corresponding fixed that the power for gradually restoring to generate when at this moment discharging possibly through tension part to relaxed state is inserted into detent block 62 Locking is realized in the slot 611 of position.In a preferred embodiment, in order to making detent block 62 be smoothly inserted into locating slot To more reliably realize locking in 611, as shown in figure 13, ISOFIX interface arrangement may also include second spring 10, the bottom of at It is additionally provided with fixture block groove 421 on seat 4, second spring 10 is set on detent block 62, and is limited in detent block 62 and fixture block groove 421 Between.For example, second spring 10 is that detent block 62 can be specifically designed as three-stage structure by pressure spring, it is followed successively by bolt section, limit Position section and spring linkage section, second spring 10 are set on spring linkage section, and limit section can both realize detent block 62 and lock When movement travel limited, and second spring 10 can be limited, after the tensile force of wirerope 63 is eliminated, detent Block 62 extend into bolt section in corresponding locating slot 611.
In the above embodiments, as shown in figure 14, it for ixing cam disc 65, can be set in the lower cover 42 of pedestal 4 Boss 424 is set, and by opening up hole at the axis of cam disc 65 to be installed on boss 424, and cam disc 65 is opposite It is to be rotatably connected in boss 424.It preferably, installing handle hand lever 651, handlebar stem 651 can also be located at convex on cam disc 65 On wheel disc 65 and free end is stretched out outside pedestal 4, applies rotatory force to cam disc 65 with can be convenient in this way, so that locking and unlocking It is more convenient to operate, in description herein, a part of handlebar stem 651 as cam disc 65.
Further, in an improved embodiment, ISOFIX interface arrangement further includes sliding block detent disk 66, sliding block card Position disk 66 is set on boss 424, i.e., is coaxially located at the side of cam disc 65, by taking Figure 13 as an example, sliding block detent disk 66 be may be provided in The top of cam disc 65.Moreover, being evenly equipped with sliding block detent slot 661, such as uniformly rectangular teeth knot on the periphery of sliding block detent disk 66 Structure can be such that one end of sliding block 64 is embedded into sliding block detent slot 661 to be limited when telescopic rod 61 is in the lock state Position.It works to make sliding block detent disk 66 not influence cam disc 65, the maximum outside diameter of cam disc 65 is more preferably greater than sliding block detent disk 66 maximum outside diameter preferably makes the minimum point of 65 working face of cam disc be not less than the maximum outside diameter of sliding block detent disk 66.At this In embodiment, the both ends of sliding block 64, one end is supported by the first spring 67, and the other end limits it to the left and right by sliding block detent slot 661 Mobile with front, in this way when automobile is surprisingly hit, the both ends of sliding block 64 have position limiting structure to limit it, can be with It more efficiently prevents from that telescopic rod 61 is enabled to unlock because of the accidental movement of sliding block 64, therefore using safer reliable.
Preferably, sliding block detent disk 66 and cam disc 65 can relatively rotate, ISOFIX interface arrangement further include be hinged on it is convex Ratchet 652 on wheel disc 65, one end of ratchet 652 are hinged on handlebar stem 651, and the other end can be fastened on sliding block detent slot In 661, rotate synchronously cam disc 65 with movable slider detent disk 66 during telescopic rod 61 locks.When needing to unlock, During pulling handle bar 651, ratchet 652 can gradually be deviate from out of current sliding block detent slot 661, and enter next In a adjacent sliding block detent slot 661, at this moment position holding can be carried out to handlebar stem 651.In addition to ratchet 652 can be made Next sliding block detent slot 661 is smoothly entered, third spring 653 can also be set, third spring 653 is connected to ratchet 652 Intermediate position and cam disc 65 between.
In order to enable those skilled in the art clearly understand the working principle of ISOFIX interface arrangement of the present invention, under Face is described in detail its course of work for the structure shown in Figure 13.
When needing to adjust telescopic rod 61, the handlebar stem 651 of cam disc 65 is pulled, cam disc 65 is rotated counterclockwise, it is sliding One end of block 64 gradually moves lofty perch from the low spot of 65 working face of cam disc, so that sliding block 64 be pushed to move backward, mistake herein Sliding block 64 moves in sliding block detent slot 661 in journey, and when moving to highest point, one end of sliding block 64 is from current sliding block detent Abjection in slot 661, while sliding block 64 drives wirerope 63 to move, and then pulls the opposed, inwardly directed retraction of detent block 62 of two sides, makes Detent block 62 releases the locking to locating slot 611 on telescopic rod 61, and at this moment telescopic rod 61 can be moved forward and backward, and drive ISOFIX Interface 612 is mobile, so as to adjust the extension elongation of ISOFIX interface 612.It will drive spine while cam disc 65 rotates Tooth 652 acts, and ratchet 652 can gradually be deviate from out of current sliding block detent slot 661, and enter next adjacent sliding block card In the slot 661 of position, sliding block detent disk 66 does not rotate in this course.
After the position of telescopic rod 61 regulates, the handlebar stem 651 for pulling cam disc 65 is returned, turns cam disc 65 clockwise Dynamic, sliding block 64 loses supporting for cam disc 65, and return under the action of the first spring 67, wirerope 63 loosens, detent block 62 It resets, and is stuck on telescopic rod 61 in corresponding locating slot 611 under the action of second spring 10, to realize to telescopic rod 61 Locking.While cam disc 65 is returned and pulled, ratchet 652 pushes sliding block detent disk 66 to rotate, and makes next sliding block detent slot 661 It is opposite with sliding block 64, allow smoothly to be stuck in when 64 return of sliding block in the sliding block detent slot 661.
During driving cam disc 65 to rotate so that sliding block 64 is moved forward and backward, the end of sliding block can be in sliding block detent slot Movement, this guiding function make the movement of sliding block 64 more steady in 661, and the sliding block 64 when by external force is avoided to occur as far as possible It swings, especially during realizing locking, one end of sliding block 64 moves to low spot from the high point of 65 working face of cam disc When, it can avoid movement excessively sensitive as far as possible and keep lock out action unstable.
One of after above-mentioned ISOFIX interface arrangement, child safety seat of the invention at least has the following advantages that:
(1) since such ISOFIX interface arrangement can realize Bidirectional locking to seat in the glide direction of telescopic rod, No matter seat is required to be unlocked to which direction adjustment, in this way when automobile is by biggish impact force, Er Tongan Full seat is all less likely to occur front and back play, the fixed reliability and security of seat can be improved, thus to the person of children Safety provides effective ensure.
(2) since the unlock operation of such ISOFIX interface arrangement is more convenient, so that child safety seat is before necessary It is more convenient when adjusting afterwards, so that design is more humanized.
(3) for the ISOFIX interface arrangement equipped with sliding block detent disk 66, since there is position limiting structure at the both ends of sliding block 64, It thus when automobile is surprisingly hit, can more efficiently prevent from that telescopic rod 61 is enabled to solve because of the accidental movement of sliding block 64 Lock, further improves the safety that seat uses.
To sum up, the embodiment of the present invention provide it is a it is practical, performance is stable, improve passenger car in children's safety it is comfortable Seat enriches the function of child safety seat, and especially suitable for automobile chair device, being applicable in age bracket is 9 months -12 Year.Compared to other existing child safety seats, its stable structure of the embodiment of the present invention, easy to process, function admirable, function is rich Richness, strong applicability.This safety seat processing method is simple, mainly mold injection, and seat skeleton, pedestal are all made of mold injection Method processed.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (44)

1. a kind of child safety seat, which is characterized in that including chair framework (1), headrest (2), pedestal (4), ISOFIX interface Device and device for adjusting posture, the device for adjusting posture include locking device (5);The locking device (5) is used for and seat Skeleton (1) is fixed, and the locking device (5) includes link mechanism;Wherein, the locking device (5) passes through the link mechanism Realization is locked or unlocked with the pedestal (4);The ISOFIX interface arrangement include ISOFIX interface (612), latch structure, Sliding block (64), cam disc (65) and at least one telescopic rod (61), the latch structure, sliding block (64) and cam disc (65) are located at In the pedestal (4), at least one described telescopic rod (61) is slidably disposed in the pedestal (4), the ISOFIX interface (612) telescopic rod (61) are located at and stretch out the one end of the pedestal (4) outside, the latch structure and the sliding block (64) are even It connects, for carrying out position locking, working face and the sliding block (64) of the cam disc (65) to each telescopic rod (61) Cooperation, the cam disc (65) can rotate to drive the sliding block (64) mobile under external force, to the bolt knot Structure generates power of pulling pin, to realize unlock of the latch structure to the telescopic rod (61);The ISOFIX interface arrangement is also Including sliding block detent disk (66), the sliding block detent disk (66) is coaxially located at the side of the cam disc (65), the sliding block card It is evenly equipped with sliding block detent slot (661) on the periphery of position disk (66), it can be when the telescopic rod (61) be in the lock state to institute Sliding block (64) is stated to be limited.
2. child safety seat according to claim 1, which is characterized in that the pedestal (4) offers gear hole (55), The locking device (5) further includes gear lever (54) and operating mechanism (51);One end of the link mechanism and the operation machine Structure (51) connection, the other end of the link mechanism are connect with the one end of the gear lever (54);The gear lever (54) it is another One end and the gear hole (55) cooperate;
Wherein, pull the operating mechanism (51) that can drive the link mechanism that will be located at the gear lever in the gear hole (55) (54) it pulls out, is unlocked between the locking device (5) and the pedestal (4).
3. child safety seat according to claim 2, which is characterized in that the locking device (5) further includes fixed company The first shell (561) and second shell (562) connect, forms between the first shell (561) and the second shell (562) Cavity;
The first shell (561) is used to fix with the chair framework (1), and the link mechanism is located in the cavity, institute The first side wall that gear lever (54) stretch out the second shell (562) is stated, the operating mechanism (51) stretches out the second shell (562) second sidewall, the first side wall and the second sidewall are adjacent.
4. child safety seat according to claim 3, which is characterized in that the link mechanism includes first connecting rod (52) With second connecting rod (53), the first end of the first connecting rod (52) and the operating mechanism (51) hingedly, the first connecting rod (52) second end and the middle part of the second connecting rod (53) are hinged, the first end of the second connecting rod (53) and the gear lever (54) hinged by slotted hole, the second end of the second connecting rod (53) and second shell (562) are hinged.
5. child safety seat according to claim 4, which is characterized in that the first connecting rod (52) and described second connects Bar (53) is all two, and the second connecting rod (53) is respectively hinged by slotted hole with a gear lever (54), described in two Gear lever (54) is stretched out from two opposite the first side walls of the second shell (562).
6. according to child safety seat as claimed in claim 3 to 5, which is characterized in that it further include resetting-mechanism, it is described multiple Position mechanism is connect with the operating mechanism (51), and the operating mechanism (51) for will be drawn out is reset to the gear lever (54) it is inserted into the position in the gear hole (55).
7. child safety seat according to claim 6, which is characterized in that the resetting-mechanism includes reset spring (57), one end Yu the second shell (562) of the reset spring (57) are fixed, the second end of the reset spring (57) with The operating mechanism (51) is fixed.
8. according to any child safety seat of claim 2-5, which is characterized in that it is recessed that the pedestal (4) is equipped with installation Chamber (46), the locking device (5) are mounted in the installation cavity (46), and the side wall of installation cavity (46) is equipped with arc Guide groove, the arc guide barrel is interior to be equipped with the gear hole (55);
Wherein, after the gear lever (54) pop up gear hole (55), institute can be driven by pulling on the locking device (5) Stating gear lever (54) can slide in the arc guide barrel.
9. according to any child safety seat of claim 2-5, which is characterized in that the gear hole (55) is at least two A, the arrangement mode of each gear hole (55) is matched with the motion track of the gear lever (54).
10. child safety seat according to claim 1, which is characterized in that the chair framework (1) and the pedestal (4) one of the two is equipped with inner arc sliding slot (44), wherein another be equipped with arc-shaped slide rail (13), the arc-shaped slide rail (13) is set In the inner arc sliding slot (44);
Wherein, arc groove (14) are additionally provided on one of the chair framework (1) and the pedestal (4), wherein another be equipped with Shaft (45), the structure matching of the structure of the arc groove (14) and the inner arc sliding slot (44), so that the shaft (45) it can be slid relative to the inner arc sliding slot (44).
11. child safety seat according to claim 1, which is characterized in that it further include head rest adjusting device (3), it is described Headrest (2) is movably arranged on the chair framework (1) along up and down direction, and the head rest adjusting device (3) is for adjusting Save height of the headrest (2) relative to the chair framework (1) being connected on chair framework (1), the head rest adjusting device (3) Including at least one lockable mechanism, the lockable mechanism includes one be set in the headrest (2) and the chair framework (1) The first locking part and movable connecting mechanism on a, wherein first locking part with along up and down direction for being successively spaced Any one cooperation being set in multiple second locking parts on another in the headrest (2) and chair framework (1), institute State movable connecting mechanism include the first STATEMENT OF FEDERALLY SPONSORED, first STATEMENT OF FEDERALLY SPONSORED have first linkage end and with it is described first linkage end phase Pair second linkage end, it is described second linkage end make it is described first linkage end surround be located at it is described first linkage end and described second First axle between linkage end is swung, and the first linkage end is sealed around the swing drive described first of the first axle Portion moves between locked and unlocked positions, in the latched position, first locking part and second locking part Cooperation is to realize the lockings of headrest (2) and the chair framework (1), in the unlocked position, first locking part and Second locking part releases cooperation to release the locking of headrest (2) and the chair framework (1).
12. child safety seat according to claim 11, which is characterized in that the first axle is arranged along the longitudinal direction And relative to a fixation where movable connecting mechanism described in the headrest (2) and chair framework (1).
13. child safety seat according to claim 11, which is characterized in that the movable connecting mechanism further includes second STATEMENT OF FEDERALLY SPONSORED, second STATEMENT OF FEDERALLY SPONSORED drives the second linkage end motion so that first linkage end is generated around the first axle The swing of line.
14. child safety seat according to claim 13, which is characterized in that second STATEMENT OF FEDERALLY SPONSORED is connecting rod, described The first end of connecting rod and second linkage end are hinged, and the second end of the connecting rod is moved along up and down direction.
15. child safety seat according to claim 13, which is characterized in that second STATEMENT OF FEDERALLY SPONSORED can surround second Axis rotation, second linkage end are slidably matched with second STATEMENT OF FEDERALLY SPONSORED.
16. child safety seat according to claim 15, which is characterized in that the second axis is arranged in left-right direction And relative to a fixation where movable connecting mechanism described in the headrest (2) and chair framework (1).
17. child safety seat according to claim 15, which is characterized in that second STATEMENT OF FEDERALLY SPONSORED, which is equipped with, surrounds institute The helicla flute (331) of second axis setting is stated, second linkage end is slidably matched with the helicla flute (331);Alternatively, described Second STATEMENT OF FEDERALLY SPONSORED is cam, and the second linkage end and the cam slide cooperate.
18. child safety seat according to claim 13, which is characterized in that the head rest adjusting device (3) further includes Operating mechanism, the operating mechanism drive second STATEMENT OF FEDERALLY SPONSORED to generate the movement for driving the second linkage end motion.
19. child safety seat according to claim 18, which is characterized in that the operating mechanism includes and described second Longitudinal operation portion of STATEMENT OF FEDERALLY SPONSORED connection, the longitudinal direction operation portion can be relative to described in the headrest (2) and chair framework (1) One where movable connecting mechanism is moved along up and down direction, and described in the mobile driving of up and down direction of longitudinal operation portion Second STATEMENT OF FEDERALLY SPONSORED generates the movement for driving the second linkage end motion.
20. child safety seat according to claim 19, which is characterized in that second STATEMENT OF FEDERALLY SPONSORED is connecting rod, described The first end of connecting rod and second linkage end are hinged, and the second end of the connecting rod is connect and with longitudinal operation portion with institute It states the up and down direction movement of longitudinal operation portion and moves.
21. child safety seat according to claim 19, which is characterized in that second STATEMENT OF FEDERALLY SPONSORED can surround second Axis rotation, second linkage end are slidably matched with second STATEMENT OF FEDERALLY SPONSORED;The operating mechanism further includes mediation member, The mediation member be used for by the up and down direction of longitudinal operation portion it is mobile be converted into second STATEMENT OF FEDERALLY SPONSORED around described The rotation of second axis.
22. child safety seat according to claim 21, which is characterized in that the mediation member includes spanner (34), the spanner (34) is connected between second STATEMENT OF FEDERALLY SPONSORED and longitudinal operation portion, and the longitudinal direction operation portion can It drives the spanner (34) to rotate and the rotation of the spanner (34) is able to drive second STATEMENT OF FEDERALLY SPONSORED around second axis Line rotation.
23. child safety seat according to claim 19, which is characterized in that it is described longitudinal direction operation portion include pulling department and Grip part, the grip part are connect by pulling department with second STATEMENT OF FEDERALLY SPONSORED, and the pulling department extends along up and down direction, institute Holding area is stated in the top of the headrest (2), and the grip part and the pulling department are relative to headrest (2) and the seat One where movable connecting mechanism described in skeleton (1) is movably arranged along up and down direction.
24. child safety seat according to claim 18, which is characterized in that the head rest adjusting device (3) includes two A lockable mechanism, the operating mechanism are all connected with two second STATEMENT OF FEDERALLY SPONSOREDs.
25. child safety seat according to claim 11, which is characterized in that the movable connecting mechanism further includes resetting Device, the resetting apparatus is for providing the work for making first locking part move to the latched position by the unlocked position Firmly.
26. child safety seat according to claim 25, which is characterized in that the resetting apparatus includes reset spring (36), the reset spring (36) is set to one end far from second locking part of first locking part and to described the The application of one locking part makes first locking part close to the active force of second locking part.
27. child safety seat according to claim 11, which is characterized in that first locking part is locating piece (32), second locking part is location hole (311), and the locating piece (32) engages with the location hole (311) to realize State the locking of headrest (2) Yu the chair framework (1).
28. child safety seat according to claim 11, which is characterized in that the head rest adjusting device (3) further includes At least one fit structure being arranged in a one-to-one correspondence at least one described lockable mechanism, the fit structure include for institute State the interconnecting piece of a connection where the second locking part described in headrest (2) and chair framework (1), wherein the multiple the Two locking parts are located on the fit structure.
29. child safety seat according to claim 11, which is characterized in that the head rest adjusting device (3) further includes Guide frame, the guide frame is relative to one where movable connecting mechanism described in the headrest (2) and chair framework (1) A fixed setting, first locking part is under the guiding role of the guide frame in the latched position and the solution lock-bit It is moved between setting.
30. child safety seat according to claim 29, which is characterized in that the guide frame and described first sealed One in portion includes gib block (26), another in the guide frame and first locking part has and the guiding The guide groove (322) that item (26) is slidably matched.
31. any child safety seat of 1-30 according to claim 1, which is characterized in that set on first locking part Have the first toothed region (321), it is described first linkage end be equipped with the second toothed region (352), first toothed region (321) with it is described Second toothed region (352) forms gear pair, first linkage end swing by the gear pair drive it is described first sealed Portion moves between the latched position and the unlocked position.
32. child safety seat according to claim 11, which is characterized in that in headrest (2) and chair framework (1) One where the movable connecting mechanism is equipped with cavity (21), and the lockable mechanism of the head rest adjusting device (3) is set to In the cavity (21).
33. child safety seat according to claim 1, which is characterized in that the ISOFIX interface arrangement further includes Tight component can generate tensile force when the sliding block (64) move as the power of pulling pin to the latch structure, to realize Unlock of the latch structure to the telescopic rod (61).
34. child safety seat according to claim 33, which is characterized in that the telescopic rod (61) is two, two The telescopic rod (61) is respectively provided at the left and right sides in the pedestal (4), and the tension part is wirerope (63), the steel Cord (63) passes through the sliding block (64) and both ends are connect with the latch structure of two sides respectively.
35. child safety seat according to claim 1, which is characterized in that the moving direction of the sliding block (64) and institute The glide direction for stating telescopic rod (61) is parallel, and vertical with the direction of pulling pin of the latch structure.
36. child safety seat according to claim 1, which is characterized in that the ISOFIX interface arrangement further includes One spring (67), the pedestal (4) are equipped with slide block slot (422), and the sliding block (64) is located in the slide block slot (422), institute The one end and the cam disc (65) for stating sliding block (64) cooperate, and first spring (67) is located at the other end of the sliding block (64) Between the slide block slot (422).
37. according to claim 1 or 33~36 any child safety seats, which is characterized in that the latch structure packet It includes: detent block (62) and the spaced multiple locating slots (611) of length direction along the telescopic rod (61), the detent One end of block (62) can be realized when being embedded in locating slot (611) locks the telescopic rod (61), and described in the disengaging The unlock to the telescopic rod (61) is realized when locating slot (611).
38. the child safety seat according to claim 37, which is characterized in that the ISOFIX interface arrangement further includes Two springs (10) are additionally provided with fixture block groove (421) on the pedestal (4), and the second spring (10) is set in the detent block (62) it on, and is limited between the detent block (62) and the fixture block groove (421).
39. child safety seat according to claim 1, which is characterized in that the sliding block detent disk (66) and described convex Wheel disc (65) can relatively rotate, and the ISOFIX interface arrangement further includes the ratchet (652) being hinged on the cam disc (65), The ratchet (652) can be fastened in the sliding block detent slot (661), to make during the telescopic rod (61) lock The cam disc (65) drives the sliding block detent disk (66) to rotate synchronously.
40. child safety seat according to claim 39, which is characterized in that the ISOFIX interface arrangement further includes Three springs (653), the third spring (653) are connected between the ratchet (652) and the cam disc (65).
41. child safety seat according to claim 1, which is characterized in that the maximum outside diameter of the cam disc (65) is big In the maximum outside diameter of the sliding block detent disk (66).
42. child safety seat according to claim 1, which is characterized in that the ISOFIX interface arrangement further includes handle Hand lever (651), the handlebar stem (651) is located on the cam disc (65) and the pedestal (4) is stretched out outside in free end.
43. the child safety seat according to claim 37, which is characterized in that the ISOFIX interface arrangement further includes sliding Slot, the telescopic rod (61) can be slided in the sliding slot, and the sliding slot is set on the side wall of neighbouring locating slot (611) Have guiding groove (682), one end of the detent block (62) passes through the guiding groove (682) and cooperates afterwards with the locating slot (611).
44. child safety seat according to claim 43, which is characterized in that the telescopic rod (61) is equipped with the first limit Position portion (613), the sliding slot are equipped with the second limiting section (683) in the limit travel position of the telescopic rod (61), and described first Limiting section (613) can limit the telescopic rod (61) by the blocking of second limiting section (683).
CN201610150667.9A 2016-03-16 2016-03-16 Child safety seat Active CN107199924B (en)

Priority Applications (1)

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CN201610150667.9A CN107199924B (en) 2016-03-16 2016-03-16 Child safety seat

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