CN107199924A - Child safety seat - Google Patents

Child safety seat Download PDF

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Publication number
CN107199924A
CN107199924A CN201610150667.9A CN201610150667A CN107199924A CN 107199924 A CN107199924 A CN 107199924A CN 201610150667 A CN201610150667 A CN 201610150667A CN 107199924 A CN107199924 A CN 107199924A
Authority
CN
China
Prior art keywords
locking
child safety
safety seat
linkage
sliding block
Prior art date
Application number
CN201610150667.9A
Other languages
Chinese (zh)
Other versions
CN107199924B (en
Inventor
刘修平
Original Assignee
珠海阳光儿童用品有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 珠海阳光儿童用品有限公司 filed Critical 珠海阳光儿童用品有限公司
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
Anticipated expiration legal-status Critical

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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, the child safety seat includes chair framework, headrest, base, ISOFIX interface arrangements and device for adjusting posture, and the device for adjusting posture includes locking device;The locking device is used to fix with chair framework, and the locking device includes linkage;Wherein, the locking device realizes the locking or unblock with the base by the linkage.In above-mentioned child safety seat, chair framework is fixed with device for adjusting posture, and device for adjusting posture is locked with base, then chair framework is fixed with base;Device for adjusting posture is unlocked with base, then chair framework is unlocked with base.Locking or unblock between device for adjusting posture and base is realized by linkage, it is simple to operate, it is simple in construction.

Description

Child safety seat
Technical field
The present invention relates to children's traffic safety field, more particularly to a kind of child safety seat.
Background technology
In recent years, with the fast development of automobile industry, automobile services industry, China's domestic automobile Quantity is constantly doubled, and the traffic law of China is also in constantly improve, when passenger car is loaded with child When, laws and regulations requirement children must be sitting on child safety seat.Child safety seat is exactly a kind of Children's design of different weight (or age bracket) is aimed at, child is strapped in safety seat, The seat of children riding safety can be effectively improved.According to traffic accident data statistics, every year about There are more than 18000 children to die from traffic accident, children's peace is not installed when getting into an accident, in automobile The virgin death rate of baby of full seat is be mounted with child safety seat 8 times, and injury rate is 3 times. The as shown by data, the child safety seat of a more security of research invention is that have very much actual meaning Justice and value.Recent years, due to the frequent generation of traffic accident, to automobile children safety Seat performance requirement is improved constantly, and traditional child safety seat can not meet national mark The accurate product demand with people.
Traditional safety seat is a kind of common seat, by with back seat undercut Hook interlocks positioning so that children need to be fettered by seat harness, and seat this figure State cannot be adjusted.The analysis of conventional child safety seat is understood:Seat posture itself can not It is adjusted, fixed headrest can have a strong impact on the comfortableness of seat, not meet setting for hommization Meter, is for functional defect.
The content of the invention
The purpose of the present invention is to propose to a kind of child safety seat, to optimize child safety seat The structure of middle device for adjusting posture.
To achieve the above object, the invention provides a kind of child safety seat, including seat bone Frame, headrest, base, ISOFIX interface arrangements and device for adjusting posture, the pose adjustment Device includes locking device;The locking device is used to fix with chair framework, the locking dress Put including linkage;Wherein, the locking device by the linkage realize with it is described The locking or unblock of base.
Further, the base offers gear hole, and the locking device also includes gear lever And operating mechanism;One end of the linkage is connected with the operating mechanism, the connecting rod machine The other end of structure is connected with one end of the gear lever;The other end of the gear lever and the shelves Position hole coordinates;
Wherein, pull the operating mechanism that the linkage can be driven to be located at the gear hole In gear lever pull out, between the locking device and the base unlock.
Further, the locking device also includes the first housing and the second shell being fixedly connected Body, cavity is formed between first housing and second housing;
First housing is used to fix with the chair framework, and the linkage is located at described In cavity, the gear lever stretches out the first side wall of second housing, and the operating mechanism is stretched Go out the second sidewall of second housing, the first side wall and the second sidewall are adjacent.
Further, the linkage includes first connecting rod and second connecting rod, and described first connects The first end of bar is hinged with the operating mechanism, the second end of the first connecting rod and described second It is hinged in the middle part of connecting rod, the first end of the second connecting rod is cut with scissors with the gear lever by slotted hole Connect, the second end and the second housing hinge of the second connecting rod.
Further, the first connecting rod and the second connecting rod are all two, and described second connects Bar is each hinged with gear lever described in one by slotted hole, and two gear levers are from described second Two relative the first side walls of housing stretch out.
Further, in addition to resetting-mechanism, the resetting-mechanism is connected with the operating mechanism, It is inserted into for the operating mechanism being drawn out to be reset into the gear lever in the gear hole Position.
Further, the resetting-mechanism include back-moving spring, one end of the back-moving spring with Second housing is fixed, and the second end and the operating mechanism of the back-moving spring are fixed.
Further, the base is arranged on the peace provided with cavity, the locking device is installed Fill in cavity, the side wall for installing cavity, which is provided with arc guide barrel, the arc guide barrel, to be provided with The gear hole;
Wherein, after the gear lever ejects the gear hole, the locking device is pulled on The gear lever can be driven to be slid in the arc guide barrel.
Further, the gear hole at least two, the arrangement mode of each gear hole with The motion track matching of the gear lever.
Further, one of both described chair framework and the base are slided provided with arc Groove, wherein another be provided with arc-shaped slide rail, the arc-shaped slide rail is located in the arc chute;
Wherein, deep-slotted chip breaker is additionally provided with one of the chair framework and the base, wherein It is another to be provided with axostylus axostyle, the structure of the deep-slotted chip breaker and the structure matching of the arc chute, with The axostylus axostyle is slid relative to the arc chute.
Further, in addition to head rest adjusting device, the headrest is removable along above-below direction Ground is arranged on the chair framework, and the head rest adjusting device is connected to seat bone for regulation Height of the headrest relative to the chair framework on frame, the head rest adjusting device is included at least One lockable mechanism, the lockable mechanism includes being arranged in the headrest and the chair framework One on the first locking part and movable connecting mechanism, wherein, first locking part is used for Be arranged at intervals at successively along above-below direction it is described headrest and chair framework in another on Any one cooperation in multiple second locking parts, the movable connecting mechanism includes the first linkage Part, first STATEMENT OF FEDERALLY SPONSORED has the first linkage end and relative with the described first linkage end second Link end, it is described second linkage end make it is described first linkage end surround be located at described first linkage end First axle between the second linkage end is swung, and the first linkage end is around described the The swing of one axis drives first locking part to move between locked and unlocked positions, In the latched position, first locking part coordinates described to realize with second locking part The locking of headrest and the chair framework, in the unlocked position, first locking part and institute State the second locking part and release and coordinate to release the locking of the headrest and the chair framework.
Further, the first axle is set and relative to the headrest and seat along the longitudinal direction A fixation described in chair skeleton where movable connecting mechanism.
Further, the movable connecting mechanism also includes the second STATEMENT OF FEDERALLY SPONSORED, second linkage Part drives the second linkage end motion so that the first linkage end is produced around the first axle Swing.
Further, second STATEMENT OF FEDERALLY SPONSORED is connecting rod, the first end of the connecting rod and described the Bigeminy moved end is hinged, and the second end of the connecting rod is moved along above-below direction.
Further, second STATEMENT OF FEDERALLY SPONSORED can be rotated around second axis, and described second Moved end is slidably matched with second STATEMENT OF FEDERALLY SPONSORED.
Further, the second axis is set and relative to the headrest and seat in left-right direction A fixation described in chair skeleton where movable connecting mechanism.
Further, second STATEMENT OF FEDERALLY SPONSORED is provided with the spiral set around the second axis Groove, the second linkage end is slidably matched with the helicla flute;Or, second STATEMENT OF FEDERALLY SPONSORED For cam, the second linkage end coordinates with the cam slide.
Further, the head rest adjusting device also includes operating mechanism, and the operating mechanism drives Dynamic second STATEMENT OF FEDERALLY SPONSORED produces the motion for driving the second linkage end motion.
Further, the operating mechanism includes the longitudinal direction operation being connected with second STATEMENT OF FEDERALLY SPONSORED Portion, longitudinal operating portion can be actively coupled relative to described in the headrest and chair framework One where mechanism is moved along above-below direction, and the above-below direction of longitudinal operating portion is moved Dynamic driving second STATEMENT OF FEDERALLY SPONSORED produces the motion for driving the second linkage end motion.
Further, second STATEMENT OF FEDERALLY SPONSORED is connecting rod, the first end of the connecting rod and described the Bigeminy moved end is hinged, and the second end of the connecting rod is connected and with described with longitudinal operating portion The above-below direction of longitudinal operating portion is moved and moved.
Further, second STATEMENT OF FEDERALLY SPONSORED can be rotated around second axis, and described second Moved end is slidably matched with second STATEMENT OF FEDERALLY SPONSORED;The operating mechanism also includes mediation member, The mediation member is used to the above-below direction of longitudinal operating portion movement being converted into described the The rotation around the second axis of two STATEMENT OF FEDERALLY SPONSOREDs.
Further, the mediation member includes spanner, and the spanner is connected to described second Between STATEMENT OF FEDERALLY SPONSORED and longitudinal operating portion, longitudinal operating portion can drive the spanner to turn The rotation of dynamic and described spanner can drive second STATEMENT OF FEDERALLY SPONSORED to turn around the second axis It is dynamic.
Further, longitudinal operating portion includes pulling department and grip part, and the grip part leads to Cross pulling department to be connected with second STATEMENT OF FEDERALLY SPONSORED, the pulling department extends along above-below direction, institute Holding area is stated in the top of the headrest, and the grip part and the pulling department are relative to institute One stated described in headrest and chair framework where movable connecting mechanism is removable along above-below direction It is dynamic to set.
Further, the head rest adjusting device includes two lockable mechanisms, the operation Mechanism is all connected with two second STATEMENT OF FEDERALLY SPONSOREDs.
Further, the movable connecting mechanism also includes resetting means, and the resetting means is used First locking part is set to move to the effect of the latched position by the unlocked position in providing Power.
Further, the resetting means includes back-moving spring, and the back-moving spring is arranged at institute State one end of remote second locking part of the first locking part and first locking part is applied Make first locking part close to the active force of second locking part.
Further, first locking part is locating piece, and second locking part is positioning hole, The locating piece engages to realize the lock of the headrest and the chair framework with the positioning hole It is fixed.
Further, the head rest adjusting device also includes and at least one described lockable mechanism one One at least one fit structure being correspondingly arranged, the fit structure includes being used for and the headrest The connecting portion connected with one where the second locking part described in chair framework, wherein, it is described Multiple second locking parts are located on the fit structure.
Further, the head rest adjusting device also includes guide frame, the guide frame phase It is fixedly installed for one where movable connecting mechanism described in the headrest and chair framework, First locking part is under the guide effect of the guide frame in the latched position and described Moved between unlocked position.
Further, one in the guide frame and first locking part includes being oriented to Another in bar, the guide frame and first locking part has and gib block cunning The dynamic guide groove coordinated.
Further, first locking part is provided with the first toothed region, the first linkage end Provided with the second toothed region, first toothed region and second toothed region formation gear pair, institute The gear pair that swings by for stating the first linkage end drives first locking part in the locking Moved between position and the unlocked position.
Further, one described in the headrest and chair framework where movable connecting mechanism Cavity volume is provided with, the lockable mechanism of the head rest adjusting device is arranged in the cavity volume.
Further, the ISOFIX interface arrangements include ISOFIX interfaces, latch structure, Sliding block, cam disc and at least one expansion link, the latch structure, sliding block and cam disc are located at In the base, at least one described expansion link is slidably disposed in the base, described ISOFIX interfaces are located at one end that the expansion link is stretched out outside the base, the latch structure It is connected with the sliding block, for carrying out position locking, the cam disc to each expansion link Working face and the sliding block coordinate, the cam disc can rotate to drive under external force The sliding block movement, to produce power of pulling pin to the latch structure, so as to realize the latch knot Unblock of the structure to the expansion link.
Further, the ISOFIX interface arrangements also include tension part, can be described Tensile force is produced during slide block movement as the power of pulling pin to the latch structure, so as to realize described Unblock of the latch structure to the expansion link.
Further, the expansion link is two, and two expansion links are respectively provided at the bottom The left and right sides in seat, the tension part is steel wire rope, sliding block described in the steel wire penetrating And two ends are connected with the latch structure of both sides respectively.
Further, the moving direction of the sliding block is parallel with the glide direction of the expansion link, And it is vertical with the direction of pulling pin of the latch structure.
Further, the ISOFIX interface arrangements also include on the first spring, the base Provided with slide block slot, the sliding block is located in the slide block slot, one end of the sliding block with it is described convex Wheel disc coordinates, and first spring is located between the other end of the sliding block and the slide block slot.
Further, the latch structure includes:Screens block and the length along the expansion link The spaced multiple locating slots in direction, one end of the screens block can be in the embedded positioning Realize to the flexible rod lock, and realized when departing from the locating slot to described flexible during groove The unblock of bar.
Further, the ISOFIX interface arrangements also include on second spring, the base Fixture block groove is additionally provided with, the second spring is set on the screens block, and be limited in described Between screens block and the fixture block groove.
Further, the ISOFIX interface arrangements also include sliding block screens disk, the sliding block Screens disk is coaxially located on the side of the cam disc, the periphery of the sliding block screens disk and is evenly equipped with Sliding block screens groove, can be carried out spacing when the expansion link is in the lock state to the sliding block.
Further, the sliding block screens disk and the cam disc can be relatively rotated, described ISOFIX interface arrangements also include the ratchet being hinged on the cam disc, and the ratchet can It is fastened in the sliding block screens groove, to make the cam during the flexible rod lock Disk drives the sliding block screens disk synchronous axial system.
Further, the ISOFIX interface arrangements also include the 3rd spring, the 3rd bullet Spring is connected between the ratchet and the cam disc.
Further, the maximum outside diameter of the cam disc is more than outside the maximum of the sliding block screens disk Footpath.
Further, the ISOFIX interface arrangements also include handlebar stem, and the handlebar stem is set On the cam disc and outside the free end stretching base.
Further, the ISOFIX interface arrangements also include chute, and the expansion link can Slided in the chute, the chute is provided with guiding groove on the side wall of the neighbouring locating slot, One end of the screens block pass through the guiding groove after with the locating slot coordinate.
Further, the expansion link is provided with the first limiting section, and the chute is described flexible The limit travel position of bar is provided with the second limiting section, and first limiting section can pass through described the The stop of two limiting sections is spacing to the expansion link.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect:
In above-mentioned child safety seat, chair framework is fixed with device for adjusting posture, pose adjustment Device is locked with base, then chair framework is fixed with base;Device for adjusting posture is unlocked with base, Then chair framework is unlocked with base.Realized by linkage between device for adjusting posture and base Locking or unblock, it is simple to operate, it is simple in construction.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application A part, schematic description and description of the invention is used to explain the present invention, not structure Into inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the stereogram 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 attitude regulating mechanism and seat bone in child safety seat one embodiment of the present invention The exploded view of frame, base;
Fig. 4 is assembled in seat for attitude regulating mechanism in child safety seat one embodiment of the present invention Structural representation on chair skeleton;
Fig. 5 is first point of attitude regulating mechanism in child safety seat one embodiment of the present invention Solve schematic diagram;
Fig. 6 is second point of attitude regulating mechanism in child safety seat one embodiment of the present invention Solve schematic diagram;
Fig. 7 is the structural representation of the second housing in child safety seat one embodiment of the present invention Figure;
Fig. 8 is the structural representation of base in child safety seat one embodiment of the present invention;
Fig. 9 is the exploded pictorial of operating mechanism in child safety seat one embodiment of the present invention Figure;
Figure 10 is the assembling of head rest adjusting device in child safety seat one embodiment of the present invention Schematic diagram;
Figure 11 is head rest adjusting device and seat in child safety seat one embodiment of the present invention The exploded view of skeleton;
Figure 12 is the solid of head rest adjusting device in child safety seat one embodiment of the present invention Exploded view;
Figure 13 is ISOFIX interface arrangements dress in child safety seat one embodiment of the present invention Assigned in the schematic diagram on lower lid;
Figure 14 is ISOFIX interface arrangements dress in child safety seat one embodiment of the present invention With decomposing schematic representation afterwards with lower cover;
Figure 15 is ISOFIX interface arrangements in child safety seat one embodiment of the present invention Decomposing schematic representation.
In figure:
1- chair frameworks;2- rests the head on;3- head rest adjusting devices;4- bases;5- locking devices;11- Groove is installed;13- arc-shaped slide rails;14- deep-slotted chip breakers;20- installing plates;21- cavity volumes;22- is spacing Groove, 23- through holes;25- installs end cap;26- gib blocks;30- rotating shafts;31- positioning hole groups;311- Positioning hole;32- locating pieces;The toothed regions of 321- first;322- guide grooves;33- rotating wheels;331- Helicla flute;34- spanners;35- sector gears;351- projections;The toothed regions of 352- second;36- is answered Position spring;37- positions card article;38- drawstrings;39- draw rings;
51- operating mechanisms;52- first connecting rods;53- second connecting rods;54- gear levers;55- gears Hole;56- housings;The housings of 561- first;The housings of 562- second;563- boss;564- is open; 565- lock pillars;566- pilot holes;567- spring stacks;57- back-moving springs;43- boss;431- arcs Shape guide groove;44- arc chutes;45- axostylus axostyles;46- installs cavity;511- handle slots;512- Jointed shaft;513- die cavities;
61- expansion links;62- screens blocks;63- steel wire ropes;64- sliding blocks;65- cam discs;651- Handlebar stem;652- ratchets;The springs of 653- the 3rd;66- sliding block screens disks;661- sliding block screens grooves; The springs of 67- first;68- expansion link supports;681- stroke grooves;682- guiding grooves;683- second is limited Position portion;Covered on 41-;42- lower covers;421- fixture block grooves;422- slide block slots;424- boss;10- Second spring;611- locating slots;612-ISOFIX interfaces;The limiting sections of 613- first.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is carried out Clearly and completely describe.Obviously, described embodiment is only a part of real of the present invention Apply example, rather than whole embodiments.Based on embodiments of the invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, is belonged to The scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear", "left", "right", " on ", " under ", " perpendicular Directly ", the orientation of instruction such as " level ", " top ", " bottom ", " interior ", " outer " or Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this hair Bright and simplified description, rather than instruction or the signified device of hint or element must be with specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to the scope of the present invention Limitation.
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, base 4, ISOFIX interface arrangements and locking device 5;Seat Skeleton 1 is fixed with locking device 5, and locking device 5 includes linkage;Wherein, locking dress 5 are put by linkage realization and the locking or unblock of base 4.
Above-mentioned child safety seat, there is provided base 4, child safety seat is installed on car it Afterwards, the weight of chair framework 1 is carried by base 4, bearing capacity is good;Chair framework 1 and lock Determine device 5 to fix, locking device 5 is locked with base 4, then chair framework 1 is consolidated with base 4 It is fixed;Locking device 5 is unlocked with base 4, then chair framework 1 is unlocked with base 4.By even Linkage realizes the locking or unblock between locking device 5 and base 4, simple to operate, structure Simply.
Referring to Fig. 3, base 4 offers gear hole 55, and locking device 5 also includes gear lever 54 With operating mechanism 51;One end of linkage is connected with operating mechanism 51, linkage it is another One end is connected with one end of gear lever 54;The other end of gear lever 54 coordinates with gear hole 55. Wherein, pull operation mechanism 51 can drivening rod mechanism by the gear lever in gear hole 55 54 pull out, and are unlocked between locking device 5 and base 4.
For ease of setting linkage, locking device 5 also includes the first housing being fixedly connected 561 and second housing 562, form cavity between the first housing 561 and the second housing 562.The One housing 561 is fixed with chair framework 1, and linkage is located in cavity, and gear lever 54 stretches out The first side wall of second housing 562, operating mechanism 51 stretches out the second sidewall of the second housing 562, The first side wall and the second sidewall are adjacent.Using forward travel direction as reference, Second sidewall is above, the first side wall is left or right face.By being pulled along operating mechanism 51, Change gear lever 54 in the position of left and right directions, to realize unblock.In the work of back-moving spring 57 With lower or push back operating mechanism 51, the return of gear lever 54 is set then to realize locking.
The concrete structure of linkage is described below.Linkage includes first connecting rod 52 and the Two connecting rods 53, first end and the operating mechanism 51 of first connecting rod 52 are hinged, first connecting rod 52 The second end and the middle part of second connecting rod 53 be hinged, the first end and gear lever of second connecting rod 53 54 are hinged by slotted hole, and the second end of second connecting rod 53 is hinged with the second housing 562.
To cause the locking of locking device 5 firm, first connecting rod 52 and second connecting rod 53 are all two Root, second connecting rod 53 is each hinged with a gear lever 54 by slotted hole, two gear levers 54 Stretched out from two relative the first side walls of the second housing 562.
For each gear lever 54, the matched gear hole 55 at least two of energy, The arrangement mode of each gear hole 55 is matched with the motion track of gear lever 54.
Referring to Fig. 5, the locking device 5 of child safety seat also includes resetting-mechanism, resets machine Structure is connected with operating mechanism 51, for the operating mechanism being drawn out 51 to be reset into gear lever 54 It is inserted into the position in gear hole 55.
Further, resetting-mechanism includes back-moving spring 57, one end of back-moving spring 57 and the Two housings 562 are fixed, and the second end and the operating mechanism 51 of back-moving spring 57 are fixed.This knot Structure will not excessively increase the weight of child safety seat device for adjusting posture.
Referring to Fig. 4, one of them is provided with arc chute 44 for both chair framework 1 and base 4, Wherein another to be provided with arc-shaped slide rail 13, arc-shaped slide rail 13 is located in arc chute 44.Wherein, Deep-slotted chip breaker 14 is additionally provided with one of chair framework 1 and base 4, wherein another be provided with axostylus axostyle 45, the structure of deep-slotted chip breaker 14 and the structure matching of arc chute 44, to cause axostylus axostyle 45 It can be slid relative to arc chute 44.
After unblock, arc-shaped slide rail 13 slides along deep-slotted chip breaker 14, to realize the appearance of chair framework 1 The adjustment of state.Set axostylus axostyle 45 to form support between chair framework 1 and base 4, protect The steadiness of pose adjustment has been demonstrate,proved, the security of child safety seat is improved.
Referring to Fig. 3, base 4 is provided with cavity 46 is installed, and locking device 5, which is arranged on, installs cavity In 46, the side wall for installing cavity 46 is provided with arc guide barrel, arc guide barrel provided with gear hole 55. Wherein, when gear lever 54 ejects gear hole 55, gear lever 54 can be under external force along arc Shape guide groove slides.
A specific embodiment is described below, the device for adjusting posture is applied in children's safety Exemplified by seat.
As shown in Fig. 1~9, child safety seat has chair framework 1 and base 4, the base 4 are located at the lower section of chair framework 1.Locking device 5 is provided between chair framework 1 and base 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, in addition to the gear hole 55 being arranged on base 4.
Operating mechanism 51 can be arranged on the bottom of chair framework 1 movably forward and backward, for convenience Operation, can set a handle slot 511 on the operating mechanism 51.
The one end of first connecting rod 52 is hinged on operating mechanism 51, the other end and second connecting rod 53 It is hinged.
The one end of second connecting rod 53 is directly or indirectly hinged on chair framework 1, the second connecting rod 53 also interlock with gear lever 54.
The end of gear lever 54 and one of cooperation of gear hole 55 are fixed.The bottom of chair framework 1 Portion be provided with arc-shaped slide rail 13, base 4 be provided with it is coaxial and can phase with the arc-shaped slide rail 13 To the arc chute 44 of sliding;The bottom of chair framework 1 is additionally provided with deep-slotted chip breaker 14, axostylus axostyle 45 pass through the deep-slotted chip breaker 14.Deep-slotted chip breaker 14 can be opened on arc-shaped slide rail 13.Furthermore, shelves Each gear hole center of circle in position hole 55 is arranged around a curved line, and the arc of its arc and deep-slotted chip breaker is equal Arc with arc-shaped slide rail 13 is coaxial.
Preferably, can be further in operating mechanism 51 in order that gear lever 54 automatically resets And a back-moving spring 57 is set between chair framework 1.
In order to increase stationarity and fastness, gear lever 54 can set symmetrically two, Correspondingly, gear hole 55 sets symmetrical two groups.Specifically, on front side of the top of base 4, Two boss 43 are symmetrically provided with, it is relative that two groups of gear holes 55 are arranged on two boss 43 Medial surface.
Two gear levers 54 are adapted to, it is right that first connecting rod 52 and second connecting rod 53 are also equipped with left and right Claim two groups, and one end of two first connecting rods 52 can be hinged on it is same on operating mechanism 51 On individual jointed shaft 512.The processing of jointed shaft 512 for convenience, jointed shaft 512 and operation machine Structure 51 can be manufactured with split, as shown in Figure 5.
Further, as shown in figure 8, the medial surface of boss 43 is set with respect to the position of gear hole 55 There is arc guide barrel 431, so, gear lever 54, can be in the arc guide barrel when bouncing back regulation Slide to facilitate regulation to operate in 431.
Referring to Fig. 4, further, in order to preferably fix operating mechanism 51 and each rod member, One housing 56 can be set, and the housing 56 is fixed together with chair framework 1, machine is operated Structure 51, first connecting rod 52, second connecting rod 53 and gear lever 54 are arranged in the housing 56, The side wall of housing 56 is provided with opening 564 so that operating mechanism 51 has the free degree being moved along, And then realize that its manipulation is acted on.The side wall of the housing 56 is additionally provided with pilot hole 566 for gear lever 54 one end is stretched out outside housing 56.
Specifically, the housing 56 can be mainly by 562 groups of the first housing 561 and the second housing Conjunction is formed.Referring to Fig. 7, a boss 563 is provided with the second housing 562, its side wall is opened provided with one Mouth 564.Operating mechanism 51 is provided with can be engaged the die cavity 513 of sliding with the boss 563, The operating mechanism 51 is arranged in second housing 562, and its one end is handle slot 511 from opening 564 stretch out outside housing 56.
Lock pillar 565 is additionally provided with second housing 562, one end of second connecting rod 53 is hinged on On the lock pillar 565, so that the second connecting rod 53 is hinged on chair framework 1 indirectly.Second The side wall of housing 562 is additionally provided with pilot hole 566, and gear lever 54 is passed out of this pilot hole 566. First housing 561 and the second housing 562 carry out tentatively fixing by seam, snap fit etc., so that Operating mechanism 51 and each rod member are hidden within the housing 51, and as an integral installation In the bottom of chair framework 1.The screw of the housing 561 of fixing seat skeleton 1 and first is simultaneously with the Two housings 562 are attached fixation, further to the reinforcement that is connected between upper second housing. Back-moving spring 57 is further set, it is preferable that as shown in figure 9, the one end of back-moving spring 57 First connecting rod 52 can be enclosed on and on the jointed shaft 512 of operating mechanism 51, its other end then covers On the spring stack 567 being arranged in the second housing 562.
Referring to Fig. 4, in addition, the bottom of chair framework 1 is provided with arc-shaped slide rail 13, base 4 Be provided with the arc-shaped slide rail 13 it is coaxial and can Relative sliding arc chute 44.Arc is slided Offered on rail 13 sets axostylus axostyle 45 to pass through the deep-slotted chip breaker 14 on deep-slotted chip breaker 14, base 4.Again Person, each gear hole center of circle of gear hole 55 is arranged around a curved line, and its arc and deep-slotted chip breaker Arc of 14 arc with arc-shaped slide rail 13 is coaxial.
When chair framework 1 carries out attitude regulation, a hand pins the bottom of chair framework 1 with thumb Portion edge, is stretched into the handle slot 511 of operating mechanism 51, pull operation mechanism with remaining four finger 51, so as to drive first connecting rod 52 to move, first connecting rod 52 drives second connecting rod 53 to rotate, Second connecting rod 53 then drives gear lever 54 to move, and gear lever 54 is departed from the phase of gear hole 55 Gear hole is answered, the lock-out state of chair framework 1 and base 4 is thus relieved.At this moment drag again Dynamic chair framework 1, makes its arc-shaped slide rail 13 be slid on the arc chute 44 of base 4, in cunning During shifting, axostylus axostyle 45 is moved in deep-slotted chip breaker 14, and gear lever 54 is in arc guide barrel 431 Interior movement;When regulation is to required position and gear lever 54 relative with other gear hole, push back Operating mechanism 51 or in the presence of back-moving spring 57, makes the return of gear lever 54, snaps onto In another gear hole, gear shift action is completed, and then reach the purpose of seat attitude regulation.
After above-mentioned attitude regulating mechanism, children's seat of the invention at least has following beneficial Effect:
1. the arc-shaped slide rail and inner arc that are matched completely due to being provided between chair framework and base Shape chute, and arc-shaped slide rail and arc chute is are coaxially disposed, such arc-shaped slide rail with it is interior Arc chute is contacted all the time, therefore, and chair framework is in any one posture and in attitude regulation During, supported by whole arc-shaped slide rail face, it is safe and reliable.
2. axostylus axostyle and deep-slotted chip breaker, axostylus axostyle and deep-slotted chip breaker are provided between chair framework and base Cooperation, add the cooperation of gear lever and gear hole, limit the rotary freedom of chair framework, So either whole child safety seat has the trend overturn forward or backward, can be by two Point is limited, and makes the use of seat safer.And axostylus axostyle is used and strip on chair framework Deep-slotted chip breaker coordinates, and while reaching restriction effect, does not interfere with the regulation of posture.
3. each part used in locking device, such as first connecting rod, second connecting rod, gear lever And back-moving spring etc., can be other using the part that can directly buy on the market Part (such as operating mechanism and housing) can use simple moulding, therefore be simple to manufacture, Cost can be reduced.
Figure 10-11 shows the dress of the head rest adjusting device 3 and headrest 2 of one embodiment of the invention Distribution structure figure and three-dimensional exploded view.Reference picture 10-11, headrest regulation dress provided by the present invention Put for adjusting height of the headrest 2 relative to chair framework 1 being connected on chair framework 1, It includes at least one lockable mechanism, and lockable mechanism includes being arranged at 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 It is arranged at intervals at successively along above-below direction many on another in headrest 2 and chair framework 1 Any one cooperation in individual second locking part, movable connecting mechanism includes the first STATEMENT OF FEDERALLY SPONSORED, the One STATEMENT OF FEDERALLY SPONSORED has the first linkage end and the second linkage end relative with the first linkage end, and second Moved end makes the first linkage end surround the first axle being located between the first linkage end and the second linkage end Swing, and the first linkage end can drive the first locking part in locking bit around the swing of first axle Put and moved between unlocked position, in latched position, the first locking part and the second locking part coordinate To realize the locking of headrest 2 and chair framework 1, in unlocked position, the first locking part and second Locking part, which is released, to be coordinated to release the locking of headrest 2 and chair framework 1.
Head rest adjusting device 3 provided by the present invention, including it is arranged at headrest 2 and chair framework 1 In one on the first locking part and the first STATEMENT OF FEDERALLY SPONSORED, wherein, the first locking part be used for and edge Above-below direction be arranged at intervals at successively headrest 2 and chair framework 1 in another on it is multiple In second locking part any one cooperation, and the first STATEMENT OF FEDERALLY SPONSORED include can be around first axle First linkage end of opposing oscillatory and the second linkage end, and by the first linkage end around first axle Swing the first locking part can be driven to move between locked and unlocked positions make the first lock Conjunction portion coordinates or released with the second locking part and coordinates, so when needing to adjust the height of headrest 2, The second linkage end, which need to only be acted on, makes the first linkage end be swung around first axle, and drive first is sealed Portion moves to unlocked position, headrest 2 is unlocked with chair framework 1, then moves up and down Behind headrest 2 to the second locking part position in proper height, remake for the second linkage End makes the first linkage end produce the backswing around first axle, drives the first locking part to move to Latched position, headrest 2 is locked in the height and position of needs, realizes the tune to 2 height of resting the head on Section.
It can be seen that, based on the present invention head rest adjusting device 3, by control first link end around First axle, which is swung, can conveniently realize the regulation of the height to headrest 2, can meet seat The differentiated demand of occupant, improves the comfortableness of seat, the design of seat is more conformed to people Property demand.
In the present invention, have a variety of around the control mode of the swing of first axle to the first linkage end, Such as user can directly stir the second linkage end with hand makes the first linkage end produce around first axle Swing, so as to control the first locking part to move between locked and unlocked positions, and then Realize and the height of headrest 2 is adjusted.But in order that more convenient, the of the invention work of user's operation Dynamic coupling mechanism can also include the second STATEMENT OF FEDERALLY SPONSORED, and second STATEMENT OF FEDERALLY SPONSORED is configured to drive the Bigeminy moved end move so that first linkage end produce around first axle swing, so when need adjust During the height of head restraint 2, the first linkage end can be controlled by the effect to the second STATEMENT OF FEDERALLY SPONSORED The swing around first axle is produced, and then controls the first locking part in locked Between move.
As the first embodiment of the second STATEMENT OF FEDERALLY SPONSORED, the second STATEMENT OF FEDERALLY SPONSORED can be connecting rod, its In, the first end of connecting rod is hinged with the second linkage end, and the second end of connecting rod is moved along above-below direction It is dynamic.For example, when the second end of connecting rod is moved along above-below direction, being cut with scissors with the first end of connecting rod The the first linkage end connect can produce the displacement of left and right directions, so that the first linkage end is can The swing around the first axle set along the longitudinal direction is produced, the first locking part of control is in locking Moved between position and unlocked position, and then realize the purpose of regulation 2 height of headrest.It can be seen that, In this embodiment, the second STATEMENT OF FEDERALLY SPONSORED makes the first linkage end by the movement of its above-below direction The swing around first axle is produced, therefore, based on the embodiment, user is by moving up and down It is used as the second end of the connecting rod of the second STATEMENT OF FEDERALLY SPONSORED, you can conveniently realize the tune to 2 height of resting the head on Section.
As second of embodiment of the second STATEMENT OF FEDERALLY SPONSORED, the second STATEMENT OF FEDERALLY SPONSORED can surround the second axle Line is rotated, and the second linkage end is slidably matched with the second STATEMENT OF FEDERALLY SPONSORED.For example, second axis can To set in left-right direction and relative in headrest 2 and chair framework 1 where movable connecting mechanism A fixation, and the second STATEMENT OF FEDERALLY SPONSORED be provided with around second axis set helicla flute 331, Second linkage end is slidably matched with helicla flute 331, so when the second STATEMENT OF FEDERALLY SPONSORED surrounds second axis During rotation, helicla flute 331 can promote the second linkage end being slidably matched therewith to produce right and left To displacement, the displacement of the second linkage end left and right directions drives the first end of linking to produce around along front and rear The swing for the first axle that direction is set, the first locking part of control is in locked Between move, realize regulation headrest 2 height purpose.For another example second axis can be along preceding Rear is to setting and relative to one where movable connecting mechanism in headrest 2 and chair framework 1 Fixed, the second STATEMENT OF FEDERALLY SPONSORED is cam, and the second linkage end coordinates with cam slide, so when convex Wheel around second axis rotates when, cam can promote the second linkage end generation left and right directions displacement, And then drive first to link end around the first axle swing set along the longitudinal direction.It can be seen that, at this In embodiment, the second STATEMENT OF FEDERALLY SPONSORED produces the first linkage end by it around the rotation of second axis The raw swing around first axle, therefore, based on the embodiment, user is by making the second linkage Part is rotated around second axis, you can conveniently realize the regulation to 2 height of resting the head on.
Similarly, in the present invention, the mode that the second STATEMENT OF FEDERALLY SPONSORED is moved needed for producing is made (as before The movement of described above-below direction or the rotation around second axis) also there are many kinds, certainly It can be realized by user's direct pull or the second STATEMENT OF FEDERALLY SPONSORED of rotation, but it is highly preferred that the present invention Head rest adjusting device 3 also include operating mechanism, the operating mechanism is configured to driving second STATEMENT OF FEDERALLY SPONSORED produces the motion for driving the second linkage end motion, and such user can be by acting on behaviour The first linkage end is controlled to produce the swing around first axle as mechanism, to further facilitate user Operation, improves Consumer's Experience.
When head rest adjusting device 3 includes two lockable mechanisms, operating mechanism can be arranged at two It is all connected between two the second STATEMENT OF FEDERALLY SPONSOREDs of individual lockable mechanism and with two the second STATEMENT OF FEDERALLY SPONSOREDs, so Not only so that structure is simpler compact, and because two lockable mechanisms are in same operation machine Acted under the control of structure, the synchronism for two lockable mechanism actions of being also more convenient for realizing, so as to enter One step improves the functional reliability of head rest adjusting device 3 so that the regulation to the height of headrest 2 It is more convenient.
Moreover, it is contemplated that more widening to space of the space of seat above-below direction relative to other directions It is spacious, and user more gets used to applying the active force of above-below direction when carrying out height of headrest regulation, Therefore, operating mechanism of the invention can include the longitudinal operating portion being connected with the second STATEMENT OF FEDERALLY SPONSORED, Longitudinal operating portion can be relative to where movable connecting mechanism in headrest 2 and chair framework 1 One is moved along above-below direction, and the above-below direction movement of longitudinal operating portion can drive Two STATEMENT OF FEDERALLY SPONSOREDs produce the motion for driving the second linkage end motion.Based on the setting, user only needs edge The longitudinal operating portion of above-below direction movement, you can drive the second STATEMENT OF FEDERALLY SPONSORED to be moved needed for producing, realize Height regulation to headrest 2, regulation more facilitates, and also more conforms to the operating habit of user.
For example, when the second STATEMENT OF FEDERALLY SPONSORED using the first above-mentioned embodiment, being used as second Second end of the connecting rod of moving part directly can be connected with longitudinal operating portion, so when longitudinal operating portion When moving along the vertical direction, the second end of connecting rod is also moved along the vertical direction therewith, so that The first end of connecting rod can drive the displacement for the second linkage end generation left and right directions being hinged therewith, And then driving the first linkage end to produce the swing around first axle, the first locking part of control is in locking Moved between position and unlocked position, realize and the height of headrest 2 is adjusted.
For another example when the second STATEMENT OF FEDERALLY SPONSORED using foregoing second of embodiment, due to longitudinal direction The motion mode of operating portion be above-below direction movement, and the motion mode of the second STATEMENT OF FEDERALLY SPONSORED be around The rotation of second axis, therefore, in operating mechanism can also set one to be used for longitudinal operation The mediation member for moving up and down the rotation for being converted into the second STATEMENT OF FEDERALLY SPONSORED of part, for example, in this Between driving member can be spanner 34, the spanner 34 is connected to the second STATEMENT OF FEDERALLY SPONSORED and longitudinal operating portion Between, longitudinal operating portion can be rotated with wrench 34 and the rotation of spanner 34 can drive Two STATEMENT OF FEDERALLY SPONSOREDs are rotated around second axis, so when longitudinal operating portion is moved along the vertical direction, Spanner 34 is rotated, and drives the second STATEMENT OF FEDERALLY SPONSORED to be rotated around second axis, so that with second The second linkage end that STATEMENT OF FEDERALLY SPONSORED is slidably matched produces the displacement of left and right directions, and then drives first Moved end produces the swing around first axle, and the first locking part of control is in locked Between move, realize to headrest 2 height adjust.
In addition, the movable connecting mechanism of the present invention can also include resetting means, the resetting means The first locking part is moved to the active force of latched position by unlocked position for providing, so exist When the height of headrest 2 is adjusted, user only need to need to release headrest 2 and chair framework Apply active force during 1 locking, and need to rest the head on 2 after the regulation of headrest 2 to proper height When being locked with chair framework 1, then it need not apply the active force of opposite direction again, and first locks Conjunction portion can automatically revert to latched position in the presence of resetting means.It can be seen that, by setting Resetting means so that the regulation to 2 height of resting the head on is more convenient, laborsaving.
In order to be shown more clearly that the present invention, embodiment next with reference to shown in Figure 10-11 is come Further illustrated.
As shown in figs. 10-11, in this embodiment, head rest adjusting device 3 includes two lockings Mechanism, an operating mechanism and two fit structures, wherein, the structure of two lockable mechanisms It is identical, and for the left and right sides for the vertical split for being symmetricly set in headrest 2;Operating mechanism It is arranged between two lockable mechanisms;Two fit structures are then corresponded with two lockable mechanisms, Each fit structure includes the connecting portion for being used to be connected with chair framework 1, and multiple second locks Conjunction portion is positioned apart from the fit structure successively along above-below direction.
Because the structure of two lockable mechanisms is identical, and the structure of two fit structures is identical, because This, is carried out only by taking one of lockable mechanism and a corresponding fit structure as an example below Explanation.
As shown in figure 11, in this embodiment, fit structure includes positioning card article 37, positioning Card article 37 is provided with the positioning hole 311 as the second locking part, and multiple positioning holes 311 are vertically Direction is arranged at intervals on positioning card article 37 successively, forms positioning hole group 31.When in use, The positioning card article 37 is fixedly connected on chair framework 1, is positioned such that hole group 31 is located at seat On skeleton 1, and short transverse of the multiple positioning holes 311 along chair framework 1 is in above-below direction It is arranged in order, so that at by 2 positioning holes 311 being locked at different height position that will rest the head on, The regulation of 2 height of correct pillow can be achieved.Certainly, positioning hole group 31 can also be set directly at On chair framework 1, namely can directly it be punched on chair framework 1, and the embodiment is set Positioning card article 37 is advantageous in that, can increase structural strength, and be easy to process, manufacture and group Dress.
As shown in FIG. 10 and 11, in this embodiment, lockable mechanism includes sealed as first The locating piece 32 and movable connecting mechanism in portion, wherein movable connecting mechanism include being used as first again The sector gear 35 of moving part and the rotating wheel 33 as the second STATEMENT OF FEDERALLY SPONSORED, locating piece 32, sector Gear 35 and rotating wheel 33 may be contained within headrest 2 on.
Wherein, locating piece 32 is used to block with any one positioning hole 311 in positioning hole group 31 Close, can engage or disengage with positioning hole 311 when locating piece 32 is moved in left-right direction, position Block 32 is provided with the first toothed region 321, specially rack, and this allows for locating piece 32 and the The upper surface of one linkage end in contact is provided with rack structure;Sector gear 35 has the first linkage end (being the lower end of sector gear in fig. 11) and the second linkage end relative with the first linkage end (being the upper end of sector gear in fig. 11), the first linkage end is provided with and the first toothed region 321 the second toothed regions 352 coordinated, the second linkage end is provided with projection 351, and sector gear Part between 35 the first linkage end and the second linkage end is provided with to be set along fore-and-aft direction And the first axle fixed relative to headrest 2, it can so be made by acting on the second linkage end First linkage end produces the swing around the first axle, namely the first linkage end is produced along left and right The swing in direction;Rotating wheel 33 is around for setting and being fixed relative to headrest 2 in left-right direction Two axis are rotated, and the rotating wheel 33 is provided with around second axis formation and projection 351 The helicla flute 331 of cooperation.In this embodiment, the first toothed region 321 and the second toothed region 352 Intermeshing, projection 351 is embedded in helicla flute 331 and can slided along helicla flute 331, Gear pair (rack pinion) is formed so between sector gear 35 and locating piece 32, and Formed and be slidably matched between sector gear 35 and rotating wheel 33.
Based on the lockable mechanism, when rotating wheel 33 is rotated around the second axis set in left-right direction When, the helicla flute 331 on rotating wheel 33 can promote projection 351 to produce the movement of left and right directions, Namely the second linkage end can be promoted to move left and right, and due to first linkage end with second linkage end it Between provided with the first axle that sets along the longitudinal direction, therefore, the second linkage end moves left and right meeting The first linkage end is driven to produce the swing around first axle, then positioned at second tooth at the first linkage end Shape portion 352 can by with the first engaging for toothed region 321 on locating piece 32 and drive it is fixed Position block 32 produces the displacement of left and right directions, that is, produces the motion closer or far from positioning hole 311, When locating piece 32 moves to the position engaged with positioning hole 311, then locating piece 32 moves to lock Positioning is put, it is possible to achieve the locking of headrest 2 and chair framework 1, and when the opposite direction of locating piece 32 The position disengaged with positioning hole 311 is moved to, then positioning hole 32 moves to unlocked position, can be with Realize the unblock of headrest 2 and chair framework 1.
It can be seen that, the movable connecting mechanism of the embodiment can pass through the second STATEMENT OF FEDERALLY SPONSORED (rotating wheel 33) Rotation around second axis drives the first linkage end (lower end of sector gear 35) around first axle Swing and driven by the gear pair between the first linkage end and the first locking part (locating piece 33) First locking part (locating piece 33) is moved between locked and unlocked positions, using gear The linkage end of adjutant first is converted into locating piece 32 in left-right direction in lock around the swing of first axle The motion between unlocked position is put in positioning, and transmission accuracy is higher, and bearing capacity is bigger, so as to Enough head rest adjusting devices 3 for causing the present invention have higher reliability, can be to a certain degree The possibility of upper reduction accidental unlocking, and user can be made more time saving and energy saving in operation.
But it should be recognized that making the first linkage end sealed around the swing drive first of first axle The mode that portion is moved between locked and unlocked positions in left-right direction is not limited to the reality Apply the gear pair shown in example, for example, first linkage end could be arranged to the first locking part it is similar In the form of shift fork and shifting block, so when the first linkage end is swung around first axle, first Moved end can stir the first locking part and move left and right, and realize that the first locking part is conciliate in latched position Motion between lock position.
As shown in figure 11, in this embodiment, operating mechanism includes vertically operating portion and spanner 34, and movable connecting mechanism also includes the back-moving spring 36 as resetting means, wherein, spanner 34 are located between two rotating wheels 33 and are all connected with two rotating wheels 33, and spanner 34 is rotated Two rotating wheels 33 can be driven to be rotated around second axis, specifically, as shown in Figure 10, pulled Hand 34 by rotating shaft 30 with positioned at the both sides of spanner 34 two rotating wheels 33 it is coaxially connected, this Sample is when spanner 34 is rotated, and it can drive rotating wheel 33 to rotate by rotating shaft 30;It is vertically operating Portion includes the drawstring 38 as pulling department and the draw ring 39 as grip part, and draw ring 39 is by drawing Band 38 is connected with spanner 34, and short transverse of the drawstring 38 along headrest 2 extends, draw ring 39 Positioned at the top of headrest 2, and draw ring 39 and drawstring 38 can along above-below direction relative to headrest 2 It is mobile to set, draw ring 39 so need to be only pulled up, drawstring 38 can drive 34 turns of spanner It is dynamic, locating piece 32 is moved to unlocked position by latched position;The one end of back-moving spring 36 is with determining One end connection in the remotely located hole 311 of position block 32, the other end is then used to be fixed on headrest 2 On, such back-moving spring 36 by latched position can move to unlocked position in locating piece 32 During store power, and the power stored discharged after headrest 2 is moved to proper height acted on On locating piece 32, namely locating piece 32 is made close to the work of positioning hole 311 to the application of locating piece 32 Firmly, locating piece 32 is made to move to latched position by unlocked position automatically.
It is to the process that is adjusted of height of headrest 2 based on the embodiment:When needs are to headrest When 2 height is adjusted, user need to only pull up draw ring 39, and draw ring 39 passes through drawstring 38 band wrench 34 are rotated, and the rotation of spanner 34 drives rotating wheel 33 around the by rotating shaft 30 Two axis are rotated, and rotating wheel 33 is when rotating, and the helicla flute 331 on rotating wheel 33 can be promoted Second linkage end of sector gear 35 produces movement, so that the first linkage of sector gear 35 End produces the swing around first axle, and the second toothed region 352 positioned at the first linkage end is with being located at The first toothed region 321 on locating piece 32 is engaged, and drives locating piece 32 to produce remotely located hole 311 motion, when locating piece 32 moves to unlocked position, locating piece 32 and positioning hole 311 Disengage, headrest 2 is unlocked with chair framework 1, and then headrest 2 is moved along the vertical direction Dynamic, in this process, back-moving spring 36 stores power by compression;And when the regulation of headrest 2 arrives suitable high When spending position, draw ring 39 is unclamped, back-moving spring 36 discharges the power stored, leans on locating piece 32 Nearly positioning hole 311 is moved, and drives sector gear 35, rotating wheel 33, spanner 34, drawstring 38 and the counter motion of draw ring 39, until each member reset, locating piece 32 is replied by unlocked position To latched position, engage again with positioning hole 311, headrest 2 is fixed on proper height, extremely This is to complete the regulation to 2 height of resting the head on.
The head rest adjusting device 3 of the embodiment, can easily be released by pulling draw ring 39 The locking of headrest 2 and chair framework 1, and after headrest 2 is moved into proper height, only Draw ring 39 need to be unclamped, locating piece 32 can automatically revert to lock in the presence of back-moving spring 36 Positioning is put, and headrest 2 is locked in into proper height position, and user without applying acting in opposition again Power, therefore, the regulation of 3 pairs of headrests 2 of head rest adjusting device of the embodiment are more convenient and strength-saving. Moreover, back-moving spring 36 can also play the auxiliary positioning effect to locating piece 32 so that should The functional reliability of the head rest adjusting device 3 of embodiment is higher.
The embodiment sets drawstring 38 and draw ring 39 to be advantageous in that, is stretched out from the top of headrest 2 And the draw ring 39 on headrest 2, the use for the user that is more convenient for, and relative to directly by pulling The situation that wrench 34 is operated, pulls draw ring 39 to more conform to the operating habit of user, Limited less by operating space, but also the maloperation because touching generation can be prevented, enter one The possibility of step reduction accidental unlocking.
But it should be recognized that the pulling department and operating portion in vertically operating portion in the embodiment are simultaneously The form of drawstring 38 and draw ring 39 is not limited to, for example, pulling department can also be arm-tie, when When pulling department is arm-tie, back-moving spring 36 can be not provided with, and it is suitable headrest 2 is moved to After height, relocking to headrest 2 is directly realized by pulling down draw ring 39.
Moreover, the embodiment can also be not provided with longitudinal operating portion, and directly by pulling spanner 34 come realize to rest the head on 2 height regulation, in this case, can also be not provided with reset bullet Spring 36.When being not provided with vertically operating portion and back-moving spring 36 in the embodiment, to headrest 2 The process that is adjusted of height it is as follows:Spanner 34 is pulled, the rotation of spanner 34, which drives, to be rotated Wheel 33 is rotated around second axis, and rotating wheel 33 is when rotating, the helicla flute on rotating wheel 33 331 can drive sector gear 35 to be rotated around first axle, even if also the first linkage end is produced around the The swing of one axis, the first linkage end swings by the second toothed region 352 and the first toothed region 321 engagement drive locating piece 32 produces the motion in remotely located hole 311, when locating piece 32 When moving to unlocked position, locating piece 32 is disengaged with positioning hole 311, headrest 2 and chair framework 1 unblock, and then headrest 2 is moved along the vertical direction;When headrest 2 is moved to properly Height and position after, reversely pull spanner 34, rotating backward for spanner 34 drives rotating wheel 33 rotate backward around second axis, and rotating wheel 33 rotates backward and drives sector gear 35 Rotate backward so that the first linkage end backswing, the second toothed region 352 and the first toothed region 321 reversely engagements, so that locating piece 32 produces the motion close to positioning hole 311, work as locating piece 32 when moving to latched position, then locating piece 32 engages with positioning hole 311, headrest 2 and seat Chair skeleton 1 is locked, so that headrest 2 is locked in into proper height, is so far completed to headrest 2 The regulation of height.
In addition, the head rest adjusting device 3 of the present invention also includes guide frame, the guide frame phase It is fixedly installed for headrest 2, the first locking part is under the guide effect of guide frame in locking bit Put and moved between unlocked position, so in the presence of guide frame, the first locking part can be with The locking or unblock with the second locking part are more accurately realized, so as to further improve headrest The functional reliability of adjusting means 3.Specifically, in the embodiment shown in Figure 10-11, lead Include gib block 26 to structure, the gib block 26 is fixedly connected with headrest 2, meanwhile, positioning Block 32 is provided with guide groove 322, and guide groove 322 is set on gib block 26 and and gib block 26 formation are slidably matched, so when the first linkage end is swung around first axle, in gib block 26 In the presence of locating piece 32 can only be moved along left and right directions so that locating piece 32 can More accurately move between locked and unlocked positions, it is ensured that 2 height adjustments of headrest More successfully carry out.Certainly, the implementation of guide frame is not limited to shown in the embodiment , for example, guide frame is provided with guide groove 322, locating piece also can provided with gib block 26 Realizing guide effect, namely only need one in guide frame and the first locking part includes gib block 26 and another has the guide groove 322 that is slidably matched with gib block 26.
In above-described embodiment, chair framework 1 is only fixed on positioning hole 311 (the second locking part) Upper and lockable mechanism is illustrated exemplified by being arranged on headrest 2, but in fact, positioning hole 311 (the second locking part) be fixed on headrest 2 on and lockable mechanism be arranged at it is also same on chair framework 1 Sample can realize the purpose of the present invention, and its principle is identical, and here is omitted.
As shown in figure 12, in this embodiment, chair framework 1, which is provided with, installs groove 11, Headrest 2 is provided with installing the installing plate 20 that groove 11 coordinates, and the insertion of installing plate 20 installs recessed Can move in groove 11 and along the vertical direction so that headrest 2 along above-below direction movably It is arranged on chair framework 1.Positioning card article 37 is assemblied on the side wall for installing groove 11, its The positioning hole 311 as the second locking part is provided with, is positioned such that hole 311 is arranged at seat bone On frame 1.As shown in Figure 10, the installing plate 20 on headrest 2 is provided with cavity volume 21, and headrest is adjusted The lockable mechanism of regulating device 3 is arranged in cavity volume 21, so enables to child safety seat Structure is compacter, and is conducive to keeping the planarization of the front end face of headrest 2.As shown in Figure 10, In this embodiment, the side wall of cavity volume 21 be provided with through hole 23, for locating piece 32 stretch out with Positioning hole 311 engages;Moreover, being additionally provided with stopper slot 22 in cavity volume 21, locating piece 21 is set In in the stopper slot 22, it so may further ensure that locating piece 21 can only move horizontally.
In addition, as shown in Figure 12, in this embodiment, child safety seat also includes installation end Lid 25, the installation end cap 25 is covered on the open end to cavity volume 21, so can be to lock Locking mechanism progress is hidden, so as to be further ensured that the planarization of the front end face of headrest 2 so that seat The overall structure of chair main body is more attractive in appearance, also allows an occupant to enough more cosily lean on.When So, when the operating mechanism of head rest adjusting device 3 needs to realize by pulling spanner 34 to headrest During the regulation of 2 height, can also be set on installation end 25 can make what spanner 34 exposed Handle hole.
In the embodiment shown in Figure 13 to Figure 14, the invention provides a kind of child safety seat The ISOFIX interface arrangements of chair, for child safety seat is (subsequently simple for convenience Claim " seat ") it is arranged on back seat, as shown in FIG. 13 to 15, ISOFIX connects Mouth device be may be mounted in the base 4 of seat, and ISOFIX interfaces 612 only are stretched out into base Outside 4.In the child safety seat shown in Fig. 1, base 4 can be by mutually fastening up and down Upper lid 41 and lower cover 42 are constituted, for this structure, ISOFIX interface arrangements of the invention Can be in the lower cover 42 of base 4.
In a schematical embodiment, referring to Figure 13 to Figure 15, children's peace of the invention The ISOFIX interface arrangements of full seat, including:ISOFIX interfaces 612, latch structure, cunning Block 64, cam disc 65 and at least one expansion link 61, ISOFIX interfaces 612 are located at flexible One end that bar 61 is stretched out outside base 4, expansion link 61 can be in the way of Figure 15 and ISOFIX The Construction integration of interface 612, also can split construction, then interconnected by attachment structure. Latch structure, sliding block 64 and cam disc 65 are located in the base 4 of seat, and at least one stretches Bar 61 can be located in base 4 slidingly back and forth, usually, and seat is respectively provided at bottom including two The expansion link 61 of 4 left and right sides of seat.Latch structure is connected with sliding block 64, for being stretched to each Contracting bar 61 carries out position locking, and working face and the sliding block 64 of cam disc 65 coordinate, cam disc 65 can rotate to drive sliding block 64 to move under external force, be pulled out with being produced to latch structure Power is sold, so as to realize unblock of the latch structure to expansion link 61.
The ISOFIX interface arrangements of prior art are embedded into ratchet by ratchet realizes locking, Monodirectional locking can only be realized so that seat can be moved without unblock in one direction, So seat may occur to slide and cause potential safety hazard in the presence of impulsive force.And this hair Bright ISOFIX interface arrangements, enter by using latch structure to the expansion link slidably set So no matter row locking, can realize Bidirectional locking, in the glide direction of expansion link to seat Seat is required to be unlocked in advance to which direction adjustment, rushed in automobile by larger When hitting power, play is less likely to occur seat, can improve the reliability and security of seat fixation, So as to which the personal safety for children provides effective guarantee.In addition, being driven by the rotation of cam disc Movable slider movement is with the unlocking manner for power of being pulled pin to latch structure generation so that operator only needs control Cam disc processed, which is rotated, can control the expansion link of the left and right sides to unlock simultaneously, without individually to each Individual expansion link is unlocked so that unblock operation is more convenient, and the use of cam disc can Make such a pulling-out mechanism that space, overall structure are more saved along along seat fore-and-aft direction is more tight Gather.
In order that the description below to each embodiment is more convenient, a kind of latch is first provided herein The adoptable structure of structure, certain implementation is not limited only to this.Decomposition as shown in figure 15 is shown It is intended to, expansion link 61 can use the tubular structure of rectangular cross-section, latch structure includes:Card Position block 62 and the spaced multiple locating slots 611 of length direction along expansion link 61, card One end of position block 62 can realize the locking to expansion link 61 in embedded locating slot 611, and The unblock to expansion link 61 is realized when departing from locating slot 611.
Further, the slip of expansion link 61 for convenience, ISOFIX interface arrangements also include Chute, expansion link 61 can be slided in chute, and chute is on the side wall of positioned adjacent groove 611 Provided with guiding groove 682, one end of screens block 62 is matched somebody with somebody after passing through guiding groove 682 with locating slot 611 Close.For example, realizing one end of latch function, locating slot 611 and guiding groove on screens block 62 682 are both designed as rectangular configuration so that locating slot 611 and guiding groove 682 can constrain screens The rotary freedom of block 62.Certainly, other types of cooperation can also be selected according to design requirement Structure.Chute in the embodiment is the structure functionally stated, in the schematic views in particular, Chute can be processed directly on lower cover 42, can also set an expansion link support 68 (such as Shown in Figure 15), expansion link support 68 is the frame-shaped structure for offering stroke groove 681, OK Journey groove 681 is arranged in lower cover 42 as chute, then by the expansion link support 68.In addition, A piece crossbeam can be installed, to play reinforcement effect, moreover it is possible to protect between two expansion link supports 68 The spacing of two expansion link supports 68 is demonstrate,proved, makes slip of the expansion link 61 in chute more flexible.
In order to limit the stroke that ISOFIX interfaces 612 are flexible, in another preferred embodiment In, the first limiting section 613, such as the first limiting section 613 can also be set on expansion link 61 For the bulge-structure being located on the outer surface of expansion link 61, limit travel of the chute in expansion link 61 Position is provided with the second limiting section 683, and the first limiting section 613 can pass through the second limiting section 683 Stop it is spacing to expansion link 61.Preferably, the extreme position before and after the motion of expansion link 61 Place sets the second limiting section 683, and such as the second limiting section 683 is to be located at expansion link support 68 The beam structure of opening surface.
On the basis of above-mentioned latch structure, ISOFIX interface arrangements of the invention may also include Screens block 62 in tension part, latch structure is connected with sliding block 64 by tension part, sliding Block 64 is pulled in motion to tension part, tension part is produced tensile force as to inserting The power of pulling pin of latch structure, so as to realize unblock of the latch structure to expansion link 61.
Preferably, tension part is steel wire rope 63, and steel wire rope 63 passes through sliding block 64 and two ends point It is not connected with the screens block 62 in the latch structure of both sides, when latch structure is in the lock state, Steel wire rope 63 is in relaxed state., can be in sliding block 64 in order to realize the connection of steel wire rope 63 Corresponding position opens up the first hole, and opens up second close to one end of sliding block 64 in screens block 62 Hole, steel wire rope 63 is passed through behind the first hole, and two terminations are each passed through the second hole and after winding It can be achieved to fix., can also be in steel in order to avoid the play in the first hole of steel wire rope 63 as far as possible Position in cord 63 positioned at the left and right sides of sliding block 64 sets position limiting structure respectively.Thus, should What embodiment formation one was made up of cam disc 65- sliding block 64- steel wire rope 63- screens block 62 Linkage of unlocking mechanism.
In a kind of linkage of unlocking mechanism being symmetrically arranged, the moving direction of sliding block 64 with The glide direction of expansion link 61 is parallel, and vertical with the direction of pulling pin of latch structure, i.e. screens block 62nd, steel wire rope 63 and sliding block 64 are collectively forming T-shaped structure, are rotated in control cam disc 65 Make sliding block 64 along seat fore-and-aft direction move when, can be tensioned steel wire rope 63, so as to pass through The tensile force of steel wire rope 63 makes two screens blocks 62 produce inside relative motion, and then synchronous Realize the action of pulling pin of both sides latch structure.The embodiment can make full use of the sky in base 4 Between so that overall structure is more compact, and can make left and right sides stress when realizing unblock Compare balanced, so that the job stability of unlocking mechanism is higher.In addition, sliding block 64 The embodiment arranged with other angles is also within protection scope of the present invention.
For above-described embodiment, the rotation of cam disc 65 is set to realize latch structure by external force Unblock after, it is possible to control expansion link 61 to slide into suitable position, then again by reverse Rotation cam disk 65, then sliding block 64 is moved backward with the rotation of cam disc 65.For reality This existing function, as shown in figure 13, ISOFIX interface arrangements may also include the first spring 67, Slide block slot 422 is provided with base 4, sliding block 64 is located in slide block slot 422, slide block slot 422 The movement locus of sliding block 64 can be guided, one end and the cam disc 65 of sliding block 64 coordinate, First spring 67 is located between the other end of sliding block 64 and slide block slot 422.For example, the first bullet Spring 67 is stage clip, and the first spring 67 is connected between the other end of sliding block 64 and slide block slot 422, When 65 counter motion of cam disc, sliding block 64 resets under the active force of the first spring 67, with Ensure that one end of sliding block 64 is resisted against on the working face of cam disc 65;Or first spring 67 May also be arranged on the identical side of cam disc 65, be at this moment accomplished by setting on the first spring 67 For extension spring.In other embodiments, cam disc 65 and sliding block 64 can also be both designed as Magnetic texure, is contacted with each other by suction therebetween to realize.
Then, after sliding block 64 is moved backward with the rotation of cam disc 65, tension part (such as steel wire rope 63) is gradually brought to relaxed state, is at this moment released possibly through tension part The power produced when putting makes screens block 62 be inserted into realization locking in corresponding locating slot 611.One In individual preferred embodiment, in order to make screens block 62 be smoothly inserted into locating slot 611 In so as to more reliably realize locking, as shown in figure 13, ISOFIX interface arrangements can also be wrapped Second spring 10 is included, fixture block groove 421 is additionally provided with base 4, second spring 10 is set in card On the block 62 of position, and it is limited between screens block 62 and fixture block groove 421.For example, the second bullet Spring 10 is stage clip, specifically, screens block 62 can be designed as into three-stage structure, be followed successively by latch Section, spacing section and spring linkage section, second spring 10 are set on spring linkage section, spacing section Both it can realize that movement travel when locking was limited to screens block 62, again can be to the second bullet Spring 10 carry out it is spacing, when steel wire rope 63 tensile force eliminate after, screens block 62 is in second spring Latch section is set to extend into corresponding locating slot 611 in the presence of 10.
In the various embodiments described above, as shown in figure 14, for ixing cam disc 65, Ke Yi Boss 424 is set in the lower cover 42 of base 4, and by being opened up at the axis of cam disc 65 Hole is to be installed on boss 424, and cam disc 65 is rotatably to connect relative to boss 424 Connect.Preferably, can also on cam disc 65 installing handle hand lever 651, handlebar stem 651 is located at On cam disc 65 and free end is stretched out outside base 4, and so easily cam disc 65 can be applied Plus rotatory force, so that locking and unblock operation are more convenient, and in description herein, handlebar stem 651 as cam disc 65 a part.
Further, in an improved embodiment, ISOFIX interface arrangements also include sliding Block screens disk 66, sliding block screens disk 66 is set on boss 424, i.e., be coaxially located at cam disc 65 side, by taking Figure 13 as an example, sliding block screens disk 66 may be provided in the top of cam disc 65. Moreover, sliding block screens groove 661 is evenly equipped with the periphery of sliding block screens disk 66, such as uniform rectangle Toothing, can be embedded into one end of sliding block 64 when expansion link 61 is in the lock state It is spacing to carry out in sliding block screens groove 661.In order that sliding block screens disk 66 does not influence cam disc 65 work, the maximum outside diameter of cam disc 65 more preferably greater than sliding block screens disk 66 maximum outside diameter, The minimum point of the working face of cam disc 65 is preferably set to be not less than the maximum outside diameter of sliding block screens disk 66. In this embodiment, the two ends of sliding block 64, one end is supported by the first spring 67, the other end by Sliding block screens groove 661 limits it and moved to the left and right with front, so when automobile is surprisingly hit When, the limited bit architecture in two ends of sliding block 64 carries out spacing to it, can more efficiently prevent Expansion link 61 is made to unlock because of the accidental movement of sliding block 64, therefore using safer reliable.
Preferably, sliding block screens disk 66 and cam disc 65 can be relatively rotated, ISOFIX interfaces Device also includes the ratchet 652 being hinged on cam disc 65, and one end of ratchet 652 is hinged on handle On hand lever 651, the other end can be fastened in sliding block screens groove 661, with expansion link 61 Make cam disc 65 during locking with the synchronous axial system of movable slider screens disk 66.When needing unblock, During pulling handle bar 651, ratchet 652 can be gradually from current sliding block screens groove 661 Interior abjection, and enter in next adjacent sliding block screens groove 661, at this moment can be to handle Bar 651 carries out position holding.In addition to ratchet 652 can be made to smoothly enter next cunning Block screens groove 661, can also set the 3rd spring 653, and the 3rd spring 653 is connected to ratchet Between 652 middle part and cam disc 65.
In order that obtaining those skilled in the art clearly understands ISOFIX interfaces dress of the present invention The operation principle put, is carried out specifically by taking the structure shown in Figure 13 as an example to its course of work below It is bright.
When needing adjustable telescopic rod 61, the handlebar stem 651 of cam disc 65 is pulled, makes cam Disk 65 is rotated counterclockwise, and one end of sliding block 64 is gradually moved from the low spot of the working face of cam disc 65 Lofty perch, so as to promote sliding block 64 to be moved rearwards by, sliding block 64 is in sliding block screens in the process Move in groove 661, when moving to peak, one end of sliding block 64 is from current sliding block screens Deviate from groove 661, while sliding block 64 drives steel wire rope 63 to move, and then pull the card of both sides The position opposed, inwardly directed retraction of block 62, makes screens block 62 release to locating slot 611 on expansion link 61 Locking, at this moment expansion link 61 can be moved forward and backward, and drive ISOFIX interfaces 612 to move, So as to adjust the extension elongation of ISOFIX interfaces 612.While cam disc 65 is rotated Ratchet 652 can be driven to act, ratchet 652 gradually can take off out of current sliding block screens groove 661 Go out, and enter in next adjacent sliding block screens groove 661, in this course screens disk 6 do not rotate.
After the position adjustments of expansion link 61 are good, the handlebar stem 651 for pulling cam disc 65 is returned, Rotate clockwise cam disc 65, sliding block 64 loses supporting for cam disc 65, in the first spring Return in the presence of 67, steel wire rope 63 loosens, and screens block 62 is also in the work of second spring 10 Resetted, and be stuck on expansion link 61 in corresponding locating slot 611 with lower, to realize to expansion link 611 locking.While cam disc 65 is returned and pulled, ratchet 652 promotes screens disk 6 to rotate, Make next sliding block screens groove 661 and sliding block 64 relative, it is smooth when alloing 64 return of sliding block Be stuck in the sliding block screens groove 661.
During driving cam disk 65 is rotated so that sliding block 64 is movable, the end of sliding block Portion can be moved in sliding block screens groove 661, and this guiding function causes the motion of sliding block 64 more Steadily, avoid the sliding block 64 when by external force to swing as far as possible, especially realize locking During, one end of sliding block 64 from the high point of the working face of cam disc 65 move to low spot when, It can avoid action excessively sensitive as far as possible and make lock out action unstable.
Employ after above-mentioned ISOFIX interface arrangements, child safety seat of the invention at least has One of have the following advantages:
(1) due to such a ISOFIX interface arrangements can in the glide direction of expansion link it is right Seat realizes Bidirectional locking, no matter is required to be unlocked to which direction adjustment by seat, So when automobile is by larger impulsive force, child safety seat is altered before and after being all less likely to occur It is dynamic, the reliability and security of seat fixation can be improved, so that the personal safety to children is carried For effective guarantee.
(2) because the unblock operation of such a ISOFIX interface arrangements is more convenient so that youngster Virgin safety seat is more convenient when adjusting afterwards before necessary so that design more hommization.
(3) for provided with the ISOFIX interface arrangements for sliding screens disk 6, due to sliding block 64 The limited bit architecture in two ends, can be more efficiently thus when automobile is surprisingly hit Prevent from making expansion link 61 unlock because of the accidental movement of sliding block 64, further increasing seat makes Security.
To sum up, the embodiment of the present invention provides a practical, performance stabilization, improves passenger car The middle comfortable seat of children's safety, enriches the function of child safety seat, is particularly suitable for use in multiplying With seat device, it is -12 years old 9 months to be applicable age bracket.Compared to other existing children's safeties Seat, its Stability Analysis of Structures of the embodiment of the present invention is easy to processing, and function admirable is feature-rich, Strong applicability.This safety seat processing method is simple, mainly mold injection, seat skeleton, Base is processed using the method for mold injection.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention and It is non-that it is limited;It is affiliated although the present invention is described in detail with reference to preferred embodiments The those of ordinary skill in field should be understood:The embodiment of the present invention can still be entered Row modification carries out equivalent substitution to some technical characteristics;Without departing from technical solution of the present invention Spirit, it all should cover among claimed technical scheme scope of the invention.

Claims (46)

1. a kind of child safety seat, it is characterised in that including chair framework (1), headrest (2), base (4), ISOFIX interface arrangements and device for adjusting posture, the posture are adjusted Engagement positions include locking device (5);The locking device (5) is used for and chair framework (1) Fixed, the locking device (5) includes linkage;Wherein, the locking device (5) Locking or unblock with the base (4) is realized by the linkage.
2. child safety seat according to claim 1, it is characterised in that the bottom Seat (4) offers gear hole (55), and the locking device (5) also includes gear lever (54) With operating mechanism (51);One end of the linkage is connected with the operating mechanism (51), The other end of the linkage is connected with the one end of the gear lever (54);The gear lever (54) the other end coordinates with the gear hole (55);
Wherein, pull the operating mechanism (51) that the linkage can be driven to be located at described Gear lever (54) in gear hole (55) is pulled out, the locking device (5) and the base (4) unlocked between.
3. child safety seat according to claim 2, it is characterised in that the lock Determine the first housing (561) and the second housing (562) that device (5) also includes being fixedly connected, Cavity is formed between first housing (561) and second housing (562);
First housing (561) is used for, the connecting rod fixed with the chair framework (1) Mechanism is located in the cavity, and the gear lever (54) stretches out second housing (562) The first side wall, the operating mechanism (51) stretches out the second sidewall of second housing (562), The first side wall and the second sidewall are adjacent.
4. child safety seat according to claim 3, it is characterised in that the company Linkage includes first connecting rod (52) and second connecting rod (53), the first connecting rod (52) First end be hinged with the operating mechanism (51), the second end of the first connecting rod (52) With being hinged in the middle part of the second connecting rod (53), the first end of the second connecting rod (53) with The gear lever (54) is hinged by slotted hole, the second end of the second connecting rod (53) with Second housing (562) is hinged.
5. child safety seat according to claim 4, it is characterised in that described One connecting rod (52) and the second connecting rod (53) are all two, the second connecting rod (53) Each it is hinged with gear lever described in one (54) by slotted hole, two gear levers (54) Stretched out from two relative the first side walls of second housing (562).
6. according to any described child safety seats of claim 3-5, it is characterised in that Also include resetting-mechanism, the resetting-mechanism is connected with the operating mechanism (51), for inciting somebody to action The operating mechanism (51) being drawn out is reset to the gear lever (54) and is inserted into the shelves Position in position hole (55).
7. child safety seat according to claim 6, it is characterised in that described multiple Position mechanism includes back-moving spring (57), one end and described second of the back-moving spring (57) Housing (562) is fixed, the second end and the operating mechanism (51) of the back-moving spring (57) It is fixed.
8. according to any described child safety seats of claim 2-5, it is characterised in that The base (4) is arranged on described provided with cavity (46), the locking device (5) is installed Install in cavity (46), the side wall for installing cavity (46) is provided with arc guide barrel, described The gear hole (55) is provided with arc guide barrel;
Wherein, after the gear lever (54) ejects gear hole (55), pull on The locking device (5) can drive the gear lever (54) to be slid in the arc guide barrel.
9. according to any described child safety seats of claim 2-5, it is characterised in that The gear hole (55) at least two, the arrangement mode of each gear hole (55) and institute State the motion track matching of gear lever (54).
10. child safety seat according to claim 1, it is characterised in that the seat One of them is provided with arc chute (44) for both chair skeleton (1) and the base (4), Wherein another to be provided with arc-shaped slide rail (13), the arc-shaped slide rail (13) is located at the arc In chute (44);
Wherein, it is additionally provided with arc on one of the chair framework (1) and the base (4) Shape groove (14), wherein it is another be provided with axostylus axostyle (45), the structure of the deep-slotted chip breaker (14) with The structure matching of the arc chute (44), make it that the axostylus axostyle (45) can be relative to Arc chute (44) sliding.
11. child safety seat according to claim 1, it is characterised in that also include Head rest adjusting device (3), the headrest (2) is movably arranged at institute along above-below direction State on chair framework (1), the head rest adjusting device (3) is connected to seat bone for regulation Height of the headrest (2) relative to the chair framework (1) on frame (1), the headrest is adjusted Regulating device (3) includes at least one lockable mechanism, and the lockable mechanism includes being arranged at the head Rest the head on the first locking part on one in (2) and the chair framework (1) and be actively coupled machine Structure, wherein, first locking part be used for be arranged at intervals at successively along above-below direction it is described It is any in multiple second locking parts on another in headrest (2) and chair framework (1) One cooperation, the movable connecting mechanism includes the first STATEMENT OF FEDERALLY SPONSORED, and first STATEMENT OF FEDERALLY SPONSORED has First linkage end and the second linkage end relative with the described first linkage end, the second linkage end The first linkage end is surrounded to be located between the described first linkage end and the second linkage end First axle is swung, and the first linkage end drives described the around the swing of the first axle One locking part is moved between locked and unlocked positions, in the latched position, described One locking part coordinates to realize the headrest (2) and the chair framework with second locking part (1) locking, in the unlocked position, first locking part and the second locking part solution Except coordinating to release the locking of headrest (2) and the chair framework (1).
12. child safety seat according to claim 11, it is characterised in that described One axis is set and relative to institute in the headrest (2) and chair framework (1) along the longitudinal direction State a fixation where movable connecting mechanism.
13. child safety seat according to claim 11, it is characterised in that the work Dynamic coupling mechanism also includes the second STATEMENT OF FEDERALLY SPONSORED, and second STATEMENT OF FEDERALLY SPONSORED drives the second linkage end Move so that the first linkage end produces the swing around the first axle.
14. child safety seat according to claim 13, it is characterised in that described Two STATEMENT OF FEDERALLY SPONSOREDs are connecting rod, and the first end of the connecting rod is hinged with the described second linkage end, the company Moved along above-below direction at second end of bar.
15. child safety seat according to claim 13, it is characterised in that described Two STATEMENT OF FEDERALLY SPONSOREDs can be rotated around second axis, the second linkage end and second STATEMENT OF FEDERALLY SPONSORED It is slidably matched.
16. child safety seat according to claim 15, it is characterised in that described Two axis are set and relative to institute in the headrest (2) and chair framework (1) in left-right direction State a fixation where movable connecting mechanism.
17. child safety seat according to claim 15, it is characterised in that described Two STATEMENT OF FEDERALLY SPONSOREDs are provided with the helicla flute (331) set around the second axis, described second Moved end is slidably matched with the helicla flute (331);Or, second STATEMENT OF FEDERALLY SPONSORED is cam, The second linkage end coordinates with the cam slide.
18. child safety seat according to claim 13, it is characterised in that the head Resting the head on adjusting means (3) also includes operating mechanism, and the operating mechanism drives second STATEMENT OF FEDERALLY SPONSORED Produce the motion for driving the second linkage end motion.
19. child safety seat according to claim 18, it is characterised in that the behaviour Make longitudinal operating portion that mechanism includes being connected with second STATEMENT OF FEDERALLY SPONSORED, longitudinal operating portion energy Enough relative to where movable connecting mechanism described in the headrest (2) and chair framework (1) One is moved along above-below direction, and the above-below direction movement driving of longitudinal operating portion is described Second STATEMENT OF FEDERALLY SPONSORED produces the motion for driving the second linkage end motion.
20. child safety seat according to claim 19, it is characterised in that described Two STATEMENT OF FEDERALLY SPONSOREDs are connecting rod, and the first end of the connecting rod is hinged with the described second linkage end, the company Second end of bar is connected with longitudinal operating portion and with the above-below direction of longitudinal operating portion Move and move.
21. child safety seat according to claim 19, it is characterised in that described Two STATEMENT OF FEDERALLY SPONSOREDs can be rotated around second axis, the second linkage end and second STATEMENT OF FEDERALLY SPONSORED It is slidably matched;The operating mechanism also includes mediation member, and the mediation member is used for will Longitudinal operating portion above-below direction movement be converted into second STATEMENT OF FEDERALLY SPONSORED around described second The rotation of axis.
22. child safety seat according to claim 21, it is characterised in that in described Between driving member include spanner (34), the spanner (34) be connected to second STATEMENT OF FEDERALLY SPONSORED with Between longitudinal operating portion, longitudinal operating portion can drive the spanner (34) to rotate And the rotation of the spanner (34) can drive second STATEMENT OF FEDERALLY SPONSORED to surround the second axis Rotate.
23. child safety seat according to claim 19, it is characterised in that described vertical Include pulling department and grip part to operating portion, the grip part passes through pulling department and described second Moving part is connected, and the pulling department extends along above-below direction, and the holding area is in the headrest (2) top, and the grip part and the pulling department are relative to the headrest (2) and seat One described in chair skeleton (1) where movable connecting mechanism is movably arranged along above-below direction.
24. child safety seat according to claim 18, it is characterised in that the head Resting the head on adjusting means (3) includes two lockable mechanisms, the operating mechanism and two described the Two STATEMENT OF FEDERALLY SPONSOREDs are all connected with.
25. child safety seat according to claim 11, it is characterised in that the work Dynamic coupling mechanism also includes resetting means, the resetting means be used for offer make it is described first sealed Portion is moved to the active force of the latched position by the unlocked position.
26. child safety seat according to claim 25, it is characterised in that described multiple Position device includes back-moving spring (36), and the back-moving spring (36) is arranged at first lock One end of remote second locking part in conjunction portion simultaneously applies to first locking part and makes described the Active force of one locking part close to second locking part.
27. child safety seat according to claim 11, it is characterised in that described One locking part is locating piece (32), and second locking part is positioning hole (311), described fixed Position block (32) engages to realize the headrest (2) and the seat with the positioning hole (311) The locking of chair skeleton (1).
28. child safety seat according to claim 11, it is characterised in that the head Resting the head on adjusting means (3) also includes corresponding with least one described lockable mechanism setting at least One fit structure, the fit structure includes being used for and the headrest (2) and chair framework (1) Described in a connection where the second locking part connecting portion, wherein, the multiple second lock Conjunction portion is located on the fit structure.
29. child safety seat according to claim 11, it is characterised in that the head Resting the head on adjusting means (3) also includes guide frame, and the guide frame is relative to the headrest (2) It is fixedly installed with one where movable connecting mechanism described in chair framework (1), described first Locking part is under the guide effect of the guide frame in the latched position and the unlocked position Between move.
30. child safety seat according to claim 29, it is characterised in that described to lead One into structure and first locking part includes gib block (26), the guide frame With in first locking part another have and leading that the gib block (26) is slidably matched To groove (322).
31. according to any described child safety seats of claim 11-30, it is characterised in that First locking part is provided with the first toothed region (321), and the first linkage end is provided with second Toothed region (352), first toothed region (321) and the second toothed region (352) shape Into gear pair, the first linkage end swing by the gear pair drive it is described first sealed Moved between the latched position and the unlocked position in portion.
32. child safety seat according to claim 11, it is characterised in that the head Rest the head on one described in (2) and chair framework (1) where movable connecting mechanism and be provided with cavity volume (21), the lockable mechanism of the head rest adjusting device (3) is arranged in the cavity volume (21).
33. child safety seat according to claim 1, it is characterised in that described ISOFIX interface arrangements include ISOFIX interfaces (612), latch structure, sliding block (64), Cam disc (65) and at least one expansion link (61), the latch structure, sliding block (64) It is located at cam disc (65) in the base (4), at least one described expansion link (61) can It is slidably disposed within the base (4), the ISOFIX interfaces (612) are located at described stretch Contracting bar (61) stretches out the one end of the base (4) outside, the latch structure and the sliding block (64) Connection, for carrying out position locking, the cam disc (65) to each expansion link (61) Working face and the sliding block (64) coordinate, the cam disc (65) can be used in outer masterpiece It is lower to rotate to drive the sliding block (64) mobile, to produce power of pulling pin to the latch structure, So as to realize unblock of the latch structure to the expansion link (61).
34. child safety seat according to claim 33, it is characterised in that described ISOFIX interface arrangements also include tension part, can be produced when the sliding block (64) is moved Raw tensile force is as the power of pulling pin to the latch structure, so as to realize the latch structure to institute State the unblock of expansion link (61).
35. child safety seat according to claim 34, it is characterised in that described to stretch Contracting bar (61) is two, and two expansion links (61) are respectively provided in the base (4) The left and right sides, the tension part is steel wire rope (63), and the steel wire rope (63) passes through The sliding block (64) and two ends are connected with the latch structure of both sides respectively.
36. child safety seat according to claim 33, it is characterised in that the cunning The moving direction of block (64) is parallel with the glide direction of the expansion link (61), and with it is described The direction of pulling pin of latch structure is vertical.
37. child safety seat according to claim 33, it is characterised in that described ISOFIX interface arrangements also include the first spring (67), and the base (4) is provided with sliding block Groove (422), the sliding block (64) is located in the slide block slot (422), the sliding block (64) One end and the cam disc (65) coordinate, first spring (67) is located at the sliding block (64) between the other end and the slide block slot (422).
38. according to any described child safety seat of claim 33~37, it is characterised in that The latch structure includes:Screens block (62) and the length side along the expansion link (61) To spaced multiple locating slots (611), one end of the screens block (62) can be embedding Realized when entering the locating slot (611) and the expansion link (61) is locked, and it is described departing from The unblock to the expansion link (61) is realized during locating slot (611).
39. the child safety seat according to claim 38, it is characterised in that described ISOFIX interface arrangements also include being additionally provided with card on second spring (10), the base (4) Block groove (421), the second spring (10) is set on the screens block (62), and by It is spacing between the screens block (62) and the fixture block groove (421).
40. child safety seat according to claim 33, it is characterised in that described ISOFIX interface arrangements also include sliding block screens disk (66), the sliding block screens disk (66) Coaxially it is located on the side of the cam disc (65), the periphery of the sliding block screens disk (66) Sliding block screens groove (661) is evenly equipped with, when can be in the lock state in the expansion link (61) The sliding block (64) is carried out spacing.
41. child safety seat according to claim 40, it is characterised in that the cunning Block screens disk (66) and the cam disc (65) can be relatively rotated, the ISOFIX interfaces Device also includes the ratchet (652) being hinged on the cam disc (65), the ratchet (652) It can be fastened in the sliding block screens groove (661), with what is locked in the expansion link (61) During the cam disc (65) is driven sliding block screens disk (66) synchronous axial system.
42. child safety seat according to claim 41, it is characterised in that described ISOFIX interface arrangements also include the 3rd spring (653), and the 3rd spring (653) is even It is connected between the ratchet (652) and the cam disc (65).
43. child safety seat according to claim 40, it is characterised in that described convex The maximum outside diameter of wheel disc (65) is more than the maximum outside diameter of the sliding block screens disk (66).
44. child safety seat according to claim 33, it is characterised in that described ISOFIX interface arrangements also include handlebar stem (651), and the handlebar stem (651) is located at institute State on cam disc (65) and the base (4) is stretched out outside in free end.
45. the child safety seat according to claim 38, it is characterised in that described ISOFIX interface arrangements also include chute, and the expansion link (61) can be in the chute Slide, the chute is provided with guiding groove (682) on the side wall of the neighbouring locating slot (611), One end of the screens block (62) through the guiding groove (682) afterwards with the locating slot (611) Coordinate.
46. child safety seat according to claim 45, it is characterised in that described to stretch Contracting bar (61) is provided with the first limiting section (613), and the chute is in the expansion link (61) Limit travel position be provided with the second limiting section (683), the first limiting section (613) energy Stop enough by second limiting section (683) is spacing to the expansion link (61).
CN201610150667.9A 2016-03-16 2016-03-16 Child safety seat Active CN107199924B (en)

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