CN207550009U

CN207550009U - A kind of child restrainnt system

Info

Publication number: CN207550009U
Application number: CN201721325129.5U
Authority: CN
Inventors: 赵国松
Original assignee: Ch Baby Co Ltd
Current assignee: Ch Baby Co Ltd
Priority date: 2017-10-13
Filing date: 2017-10-13
Publication date: 2018-06-29
Anticipated expiration: 2027-10-13

Abstract

The utility model discloses a kind of child restrainnt systems, including pedestal and seat, support for rotary disc is fixed on the pedestal, the bottom of the seat is equipped with and the matched turntable of the support for rotary disc, the support for rotary disc is equipped at least three claws, and the edge for being pressed on turntable at each claw interval is to limit disk position；The turntable is equipped with pitch regulation frame, and the seat is mounted on the pitch regulation frame, and matched angle lock mechanism is additionally provided between the pitch regulation frame and seat, and the pitch regulation frame includes collet and side by side two piece support plates of the vertically-arranged on collet；Along the motion path of seat adjusting pitch angle, two pieces of support plate one end are equipped with the first guide rod, and the other end is equipped with the second guide groove；The seat be equipped with the first guide groove matched with first guide rod and with matched second guide rod of second guide groove；Guide rod moves to guide seat adjusting pitch angle along corresponding guide groove.

Description

A kind of child restrainnt system

Technical field

The utility model is related to articles for children field, more particularly to a kind of child restrainnt system.

Background technology

Automobile children safety chair is also referred to as child restrainnt system CRS (Child Restraint System), is a kind of special For all ages and classes (or weight) children design, in automobile, the seat of children riding safety can be effectively improved.European method Advise ECE R44/03 is to the definition of child safety seat：It can be fixed on motor vehicles, by the set of safety belts for carrying buckle The children's safety guard system of the compositions such as part or flexible part, regulating mechanism, attachment.It can be with for example portable child of attachment device Bed, infant carrier, complementary seat or collision protection object are formed by combining.In the situation that automobile collides or slows down suddenly Under, slow down and the impact force of children and the body of limiting child are moved to reduce the injury to them, it is ensured that child's pacifies by bus Entirely.

In many child safety seats, children are connected to the main body of safety seat or the band of housing constrains in safety In seat.Seat shell is usually connected to vehicle by car belt and frenulum in itself, and frenulum is connected to housing, and to vehicle Anchor point extends, wherein, frenulum is attached to the vehicle anchorage point by latching hook connectors.

With the successive dynasties update and continuous requirement of the consumer for product function of product, Publication No. The Chinese patent literature of CN204020629U discloses the rotating mechanism of child's safety seat for vehicle, including a discoidal rotation Turntable, rotating disk are arranged on the top of the chassis upper cover of child safety seat, and rotating disk is arranged on the chair body of child safety seat Lower section.The technical solution solves the problems, such as child safety seat rotation well, but postrotational locking and stress are asked It inscribes to be improved.

The Chinese patent literature of Publication No. CN204020629U discloses the rotating mechanism of child's safety seat for vehicle, packet A discoidal rotating disk is included, rotating disk is arranged on the top of the chassis upper cover of child safety seat, and rotating disk is arranged on The lower section of the chair body of virgin safety seat.The technical solution solves the problems, such as child safety seat rotation well, but rotates The sitting posture pitching of children is still relatively fixed afterwards, it is impossible to meet the use demand that user can arbitrarily be adjusted.

The Chinese patent literature of Publication No. CN205440044U discloses a kind of ISOFIX connections dress of automobile seat for child It puts and automobile seat for child, wherein ISOFIX attachment devices includes ISOFIX connectors, ISOFIX connectors can slidably be set On automobile seat for child, ISOFIX attachment devices are further included ISOFIX connectors when ISOFIX connectors stretch out automobile seat for child With automobile seat for child locking the first latch mechanism, when ISOFIX connectors and car chair lock timing drive the first latch mechanism unlock Interlinked mechanism.The ISOFIX attachment devices are when automobile seat for child is installed on automotive seat, ISOFIX connectors and youngster Position between virgin automotive seats is in the lock state, and ISOFIX connectors can be avoided to bounce back, and in ISOFIX connectors and vapour It can unlock the first latch mechanism after vehicle seats locking, so as to push automobile seat for child so that the installation of the automobile seat for child It is very convenient.But the ISOFIX connectors on both sides need independent operation in the technical solution, unlocking motion stability needs to be carried It is high.

The Chinese patent literature of Publication No. CN205498677U discloses a kind of safety seat for baby of vehicle height of headrest Regulating mechanism is mainly used for height of headrest on safety seat for baby of vehicle and adjusts, structure include seat, headrest, positive stop strip, Regulating part and gear component etc., the gear component are rotatably connected on including one end on headrest, and the other end is set as the adjusting at gear end Seat, the gear end of adjustment seat be equipped with gear axis, the gear axis can elasticity be close to headrest and with multiple gear teeths on positive stop strip Slot forms selection cooperation, then being equipped with driving inclined-plane in regulating part lower end can drive gear axis to be detached from gear tooth socket.The technical solution It can solve the problems, such as that headrest is adjusted, but locking effect is to be improved.

Importantly, the child restrainnt system in the relevant technologies is not integrated and is combed to all parts, it is individually excellent Change, it is impossible to provide comprehensive protection for children.

Utility model content

In view of the deficienciess of the prior art, a kind of the utility model provides component fiting effect good, overall security The child restrainnt system being substantially improved.

The technical solution of the utility model is：

A kind of child restrainnt system including pedestal and seat, is fixed with support for rotary disc, the bottom of the seat on the pedestal Portion is equipped with is equipped at least three claws with the matched turntable of the support for rotary disc, the support for rotary disc, and each claw interval is supported The edge of turntable is pressed in limit disk position；

The turntable is equipped with pitch regulation frame, and the seat is mounted on the pitch regulation frame, the pitch regulation frame Be additionally provided with matched angle lock mechanism between seat, the pitch regulation frame include collet and side by side vertically-arranged in collet On two pieces of support plates；Along the motion path of seat adjusting pitch angle, two pieces of support plate one end are equipped with the first guide rod, another End is equipped with the second guide groove；The seat be equipped with the first guide groove matched with first guide rod and with institute State matched second guide rod of the second guide groove；Guide rod moves that seat is guided to adjust pitch angle along corresponding guide groove Degree.

The utility model is integrated by that will rotate with pitch regulation, can be reduced under the premise of using effect is ensured Amount of parts in restraint system, Optimized Matching relationship so as to improve usage experience, reduce production cost.

Specifically, it can realize that seat relative support plate carries out displacement by the cooperation of guide rod and guide groove, so as to real Existing pitch regulation.Wherein guide groove and guide rod be cooperate component, therefore the first guide rod setting on the seat and First guide groove sets the equivalent replacement that can regard technical solution in the application as on the supporting plate.Second guide groove and second Guide rod location swap is similarly.

The cooperation of guide rod and guide groove, which is advantageous in that, can realize that action while seat is adjusted for seat provides Guiding and limiting so as to cause the loosening of safety seat because of increased regulatory function, reduce security risk.

What wherein " restriction disk position " was referred to is the displacement rather than limitation turntable for limiting turntable in three dimensions Rotation.It is capable of the rotation axis of locating turntable by three claws so as to fulfill rotational installation turntable, the form of claw can The rotary resistance of turntable is effectively reduced while installation strength is ensured, so as to fulfill more easily operating experience.Meanwhile claw It is readily produced, can effectively reduce production cost, improve product competitiveness.

Further, the support for rotary disc includes two support elements being arranged side by side, plate of the support element for vertically-arranged, support element Base carries flanging, which is affixed to merge with pedestal and be bolted；The claw is located at the apical margin of place support element；Together Two claws on one support element are oppositely arranged, and card slot, the turntable are formed between the apical margin of each claw and place support element Edge stretch into and be limited in each card slot；The apical margin of the support element is equipped with the folding ear of support turntable bottom surface.

The support element of plate is readily produced in the design, the yield that can effectively reduce that increased production cost, while passes through top The claw in face can be provided easily for turntable compared to horizontally tilted different gradients；Pass through the edge mate of card slot and turntable While installation strength is ensured, the difficulty of assembling can be reduced, it is low to the error requirements of parts, therefore greatly reduce and set Meter, the difficulty of production.Single structure can be used on different types of product, improve adaptability.

The contact area of support element and turntable can be effectively reduced so as to reduce frictional force by rolling over ear support turntable.Pass through The abrasion of turntable and support element can easily be protected by changing the parameters such as the thickness of folding ear, hardness, so as to extend life of product, be carried Rise stability.

Further, the pedestal is equipped with the rotary locking mechanism with turntable phase separation, the rotary locking mechanism Including：

The drawing handle being slidably mounted on pedestal；

Lock pin on the drawing handle；

The elastic drive part for acting between drawing handle and pedestal, drawing handle being driven to enter locking bit；

The opposite sides of the drawing handle is equipped with the pilot hole of bar shaped, and the pedestal is equipped with and is respectively protruding into each pilot hole Interior lead.

The relative position relation of pedestal and turntable is locked by lock pin, is locked so as to fulfill rotation, effect easy to operate is good.

Further, the support plate, which has, upwarps portion towards first of extension on rear side of seat and extends towards seat front side Second upwarp portion；First guide rod is located at the first top for upwarping portion, and second guide groove upwarps portion positioned at second Top；The collet is structure as a whole, including：

It fits fixed round plate with turntable top surface；

It is upwardly extended from round plate edge and the supporting part with portion is upwarped with first；

Described second is sticked on round plate and upwarps lateral support portion of portion.

Refer to safety seat before and after seat under normal operating condition, it is front that baby, which faces, is rear backwards.But It is in the safety seat that can be rotated, front and rear opposite concept, in particular to safety seat are in the carriers such as automobile Front-rear direction under normal operating condition.Therefore, it the first of support plate upwarps portion and second in this programme and upwarps portion in seat It is located remotely from each other on seat front-rear direction.The design, which is advantageous in that, is capable of providing more stable installation effect.First upwarps portion With second portion of upwarping disseat chair center of gravity it is more remote, the Equivalent strut plane of formation is also bigger, also provides for accordingly more Firm support effect.

Further, the angle lock mechanism includes：

Along the motion path of seat adjusting pitch angle, it is arranged in second and upwarps multiple lockholes in portion；

The lock pin being slidably installed on the seat；

Lock pin is made to enter or exit the driving handle of lockhole.

Lock pin is driven to realize the locking of seat and collet by driving handle, be also achieved that seat and the lock of support plate It is fixed, seat can be effectively improved into locking intensity with its support plate is supported to carry out locking, avoid the possibility of accidental unlocking.

Further, be slidably installed the security component for being useful for connecting with vehicle in the pedestal, the security component On positioning tooth bar is installed, the pedestal is equipped with and the matched sliding locking mechanism of the positioning tooth bar, the slide lock Mechanism includes：

Locking piece, the locking piece have the locking bit for being caught in positioning tooth bar and the release the lock position for being detached from positioning tooth bar；

Release lever is slidably mounted on pedestal, which is equipped with and drives locking level in locking bit and release the lock position Between the guiding inclined hole that switches, at least part of the locking piece, which extends to, to be oriented in inclined hole；

Guide part is used to limit movement road of the locking level between locking bit and release the lock position during switching position on pedestal Diameter.

Locking level is driven to move by release lever, guide part provides stable motion path for locking level, therefore can Realize the flexible modulation of security component in the longitudinal direction.By locking level realize security component multiple component genlocings or Unlock, avoids unbalance stress or the offset of security component, improves the safety of safety seat.

Further, corresponding with the guide part position and extending direction second is equipped on support for rotary disc to be oriented to Hole, the end of the locking level further extend after sequentially passing through the second pilot hole of respective side, guide part, then with respective side Positioning tooth bar matches.

Locking level can be isolated after initially passing through guide part with the matched design of the positioning tooth bar of respective side by guide part The driving part with the force part of release lever effect and with positioning tooth bar cooperation of locking level, so as to avoid release lever Unwanted motion influences to coordinate with positioning tooth bar, so as to improve the locking effect of sliding locking mechanism, improves the peace of safety seat Quan Xing.

Further, the seat is equipped with forced belt and the locking mechanism for adjusting the stress strip length, described Forced belt is equipped at least one and for connecting the anchor point on the seat and vehicle；

The locking mechanism is fixed on the seat, and equipped with the stress tape channel worn for forced belt, the forced belt Channel has the closing state for reducing and limiting forced belt movement and opposite opening state；

Wherein bearing the forced belt of load can drive locking mechanism that stress tape channel is maintained at closing state.

Extend the length of seat by stopband component limitation forced belt, so as to clever in different usage scenarios and operating mode It is living to adjust the forced belt needed, user is facilitated to carry out the installation of safety seat.And unlocking structure can be conveniently accomplished stress The freely activity of band, avoids the cumbersome demounting procedure after installation is complete.Such as user needs to adjust chair turnover in vehicle During situation, the operation for not needing to be complicated can be achieved with the adaptation of safety seat, greatly improve the operating experience of user.

Further, being equipped with by back along the backrest for the seat slides the headrest lifted, in backrest and headrest Between be equipped with the elevation locking mechanism to cooperate, the elevation locking mechanism includes：

The multiple height lock slots being arranged in along the headrest direction of motion in backrest；

With the matched locking lateral pin of the height lock slots；

The height regulation handle being slidably mounted on headrest, the height regulation handle include the sheet for being fitted in headrest front side Body and the driving portion positioned at ontology bottom end, the driving portion are equipped on driving portion and change through resting the head on and extending into backrest To inclined hole, for the locking lateral pin through the commutation inclined hole, height regulation handle drives lock by the inclined hole that commutates in slip conditions Determine lateral pin and be caught in or exit height lock slots.

Headrest can carry out the adjusting of height according to the children in all ages and classes stage, fully consider that child growth speed is fast The characteristics of, improve the adaptability of product.Locking lateral pin can be driven to be caught in or exit height by the movement of height regulation handle Adjusting of the lock slots so as to fulfill headrest is spent, simple in structure, operating effect is stablized.The direction of motion and headrest of height regulation handle Adjusting direction it is consistent, user's learning cost is low, and operating experience is good.

Further, the height regulation handle has locking lateral pin is made to exit height lock slots above to put forward state；And Locking lateral pin is made to be caught in the pressed status of height lock slots, is equipped between headrest and height regulation handle and height is driven to adjust hand Handle is maintained at the elastic drive part of pressed status.

Height regulation handle can be maintained at by pressed status by elastic drive part, so as to avoid using in safety seat The accidental unlocking of elevation locking mechanism in the process improves the safety of safety seat.

Further, with a void region on the ontology of the height regulation handle, the root edge of void region, which is equipped with, to be determined Position seat；The front side of the headrest, which is equipped with, extends to the void region and the footstock above positioning seat, the elastic drive part For the compression spring being pressed between footstock and positioning seat.

Positioning seat is arranged on the void region on the ontology of height regulation handle, therefore positioning seat and void region can also rise To the effect of lead and pilot hole, elastic drive part is arranged between footstock and positioning seat in the design, will naturally be used Combine in the structure of steering level regulation handle movement and the mechanism of driving height regulation handle movement, can further carry The stability of height regulation handle movement；For the angle of user experience, more smoothly use feeling can be obtained.

Further, the headrest is equipped with avoid holes, the driving portion of the height regulation handle via the avoid holes into Enter inside backrest, the rear wall of the headrest is equipped with outer cover corresponding with avoiding hole site, and the driving part is outer in this In cover.

Height regulation handle connects backrest both sides by avoid holes, can flexibly realize the component cloth of elevation locking mechanism Office, the part of user's operation are arranged on headrest and nearby more meet the operating habit of user, and lock the components such as lateral pin and be arranged on and lean on Design requirement of the back of the body outside with meeting safety seat.

Further, side crash guard member is respectively equipped in the backrest both sides of seat, the side crash guard member includes being located at The housing of backrest corresponding side is cavity structure between housing and backrest outer wall；The housing includes hitting positioned at lateral the holding of backrest Portion holds the portion that hits and forms buffer part towards the inside bending in edge by rear side, more equipped with from top to bottom arranging in buffer part A deformation sucking.

The cavity formed by the housing of side crash guard member with backrest, can provide effective crusherbull zone for children, from And it avoids injuring.The design of deformation sucking can improve the energy-absorbing effect of side crash guard member, avoid in severe crash Shielding failure.Compared to other design forms, integral installation can avoid motion in the scheme by back of seat body, Simplify installation form, avoid the crack that may children be generated with secondary injury.

Further, it is described hold the portion of hitting towards the edge on front side of backrest be the first arc, it is described hold hit portion towards by behind The edge of side is that the portion of hitting is held in the second arc, the first arc and the second arc enclosed area to be described；The backrest outer wall of the seat Equipped with limited step, first arc and the limited step offset limiting；The deformation sucking is horizontal bar hole.

It surrounds to be formed by the first arc and the second arc and holds the portion of hitting, can effectively optimize the stress performance for holding the portion of hitting, subtract It is small to hold the deformation of the portion of hitting at work, stable protection is provided for seat body.And by limited step and hold the portion of hitting Cooperation, the side crash guard member in collision process can be avoided to be subjected to displacement relative to seat body, improve side crash guard member Stress performance；And by distribution of forces to entire side crash guard member, avoid the shell of side crash guard member in the limiting case The shielding failure that body is likely to occur.

Wherein, the direction of relative level when the horizontal direction of bar hole is the normal use of safety seat.Because in safety During seat use, greatly mostly from safety seat all around, therefore horizontal bar hole can for the external force direction of stress It is maximized to absorb stress, improve the security performance of safety seat.

The utility model has the following advantages：

(1) it is capable of the rotation axis of locating turntable by three claws so as to fulfill rotational installation turntable, the form of claw The rotary resistance of turntable can be effectively reduced while installation strength is ensured, so as to fulfill more easily operating experience；

(2) using the claw form being readily produced, overall structure is simple, can effectively reduce production cost, improves product Competitiveness；

(3) by the cooperation of guide rod and guide groove, it can realize to provide for the action of seat while seat is adjusted and draw It leads and limits, so as to which the loosening of safety seat will not be caused because of increased regulatory function, reduce security risk；

(4) integrated collet can form installation turntable and the frame of support plate, and multiple components are fixed and are integrated, from And effectively optimize parts stressing conditions, improve service life and the stability of parts；

(5) lock pin is driven to realize the locking of seat and collet by driving handle, is also achieved that seat and support plate Seat can be effectively improved locking intensity with its support plate is supported to carry out locking, avoid the possibility of accidental unlocking by locking；

(6) systematicness incorporates the function and layout of multiple components in restraint system, therefore can effectively improve safety Performance reduces production cost.

Description of the drawings

Fig. 1 is the present embodiment child restrainnt system schematic diagram；

Fig. 2 is child restrainnt system diagrammatic cross-section；

Fig. 3 is child restrainnt system support plate concrete structure schematic diagram；

Fig. 4 is enlarged diagram at A in Fig. 2；

Fig. 5 is child restrainnt system pitch regulation frame concrete structure schematic diagram；

Fig. 6 is enlarged diagram at B in Fig. 5；

Fig. 7 is child restrainnt system security component concrete structure schematic diagram；

Fig. 8 is enlarged diagram at C in Fig. 7；

Fig. 9 is child restrainnt system schematic rear view；

Figure 10 is enlarged diagram at D in Fig. 2；

Figure 11 is child restrainnt system installing plate concrete structure schematic diagram；

Figure 12 is enlarged diagram at E in Figure 11；

Figure 13 is the internal concrete structure schematic diagram of child restrainnt system headrest；

Figure 14 is enlarged diagram at F in Figure 13；

Figure 15 is the concrete structure schematic diagram that child restrainnt system headrest back carries outer cover；

Figure 16 is enlarged diagram at H in Figure 15；

Figure 17 is that outer cover removes schematic diagram in Figure 15；

Figure 18 is enlarged diagram at G in Figure 17；

Figure 19 is child restrainnt system side crash guard member schematic diagram；

Figure 20 is side crash guard member structure diagram；

Figure 21 is side crash guard member internal structure schematic diagram.

Specific embodiment

Illustrate specific embodiment of the present invention below in conjunction with the accompanying drawings.

As shown in Fig. 1~21, a kind of child restrainnt system is described one by one according to each mac function.

For spinfunction, support for rotary disc 21 is fixed on the pedestal 10 of child restrainnt system, the bottom of seat 11 is set Have with 21 matched turntable 22 of the support for rotary disc, turntable 22 is circular ring shape, is set on support for rotary disc 21 there are four claw 211, point Not Wei the first claw 2111, the second claw 2112,2113 and the 4th claw 2114 of third claw.What each claw 211 was spaced supports The edge 221 of turntable 22 is pressed in limit 22 position of turntable.

In the present embodiment, support element 212, support element 213 are only coordinated with turntable 22 by claw 211, at 10 middle part of pedestal The shaft coordinated without other with turntable 22.

Specifically, claw 211 is arranged on the support element 212 and support element 213 being arranged side by side, set on support element 212 Be the first claw 2111, the second claw 2112；And first claw 2111, the second claw 2112 are oppositely arranged, the first claw 2111, the second claw 2112 forms card slot between the apical margin of support element 212, and the edge 221 of turntable 22 is stretched into and limited In the card slot.Correspondingly, 2113 and the 4th claw 2114 of third claw, third claw are provided that on support element 213 2113 and the 4th claw 2114 another card slot is formed between the apical margin of support element 213, the edge 221 of turntable 22 is stretched Enter and be limited in the card slot.Two card slots can effectively fix turntable 22, so as to fulfill being rotatably assorted to turntable 22.Support The apical margin of part 212 and support element 213 is equipped with the folding ear 215 of 22 bottom surface of support turntable, and in the present embodiment, folding ear 215 also is provided with It is multiple.

Support element 212 and support element 213 will be also stably connected with other than the installation turntable 22 to be stablized with pedestal 10.Cause This support element 212 and support element 213 are the plate of vertically-arranged, can select the plate of punching press, facilitate production.212 He of support element With flanging 214, which is affixed to merge with pedestal 10 is bolted on support element 213 base.

In order to improve the stability for turning support element 212 and support element 213, it is equipped between support element 212 and support element 213 Strengthen connector 216, strengthen the periphery that connector 216 is in turntable 22, have in the region of neighbouring turntable 22 and taken turns with turntable 22 The adaptable curved edge 2161 of exterior feature.

Seat 11 by support element 212 and support element 213 have been able to it is stable be mounted on pedestal 10, take notice of in order to prevent In outer, the random rotation of turntable 22, pedestal 10 is equipped with the rotary locking mechanism 23 with 22 phase separation of turntable, rotary locking mechanism 23 include：

The drawing handle 231 being slidably mounted on pedestal 10；

Lock pin 232 on drawing handle 231；

The elastic drive part for acting between drawing handle 231 and pedestal 10, drawing handle 231 being driven to enter locking bit (not shown)；

The opposite sides of drawing handle 231 is equipped with the pilot hole 2311 of bar shaped, and pedestal 10 is equipped with and is respectively protruding into each guiding Lead 2312 in hole 2311.

In the present embodiment, lock pin 232 is two, and the same side of two lock pins 232 is connected with each other the structure that takes the shape of the letter U, U-shaped Bottom be fixedly mounted in drawing handle 231, lock pin 232 be equipped with for U-shaped the fixed straight-line groove in bottom.In order to improve lock The fixed effect of pin 232, pedestal 10 are equipped with limiting briquetting 233, limit past equipped with guiding lock pin 232 between briquetting and pedestal 10 The limit channels moved again, limiting 233 corresponding two lock pins 232 of briquetting set there are two and independently install.

In the present embodiment, pitch regulation frame 31 is fixed on turntable 22,11 adjustable angle of seat is mounted on pitching tune It saves on frame 31.It is equipped on pitch regulation frame 31 and coordinates with lock pin 232 with the locked groove (not shown) of 22 rotation angle of locating turntable, Locked groove is recess portion corresponding with 232 shape of lock pin, locked groove be equipped at turntable 22 in pitch regulation frame 31 it is multigroup, such as in circle Four groups to be equally spaced on week, for limit 11 common four direction of seat (it is positive, reversely, left side to, right side to), accordingly Also more positions can be set to provide more rich operation.It is only positive wherein according to corresponding regulation, reversed i.e. pitch regulation Locked groove can be fully locked on the front-rear direction at turntable 22 for frame 31, and the locked groove on remaining direction only provides limit function, side Just user's operation.And when lock pin 232 is not at pitch regulation frame 31 in locked groove on the front-rear direction at turntable 22 In the case of, corresponding alert mechanism prompting user is set to pay attention to corresponding security risk.

During use：

When user needs rotary seat 11, with power drive drawing handle 231, drawing handle 231 is in lead 2312 The elastic force of elastic drive part is overcome to be moved backwards to seat 11 under guiding, while moves to move back backwards to seat 11 with pendulum lock pin 232 Go out locked groove, turntable 22 can be in the first claw 2111, the second claw 2112,2113 and the 4th claw of third claw at this time It is freely rotated on 2114 directions limited, user rotates to seat 11 when needing position, unclamps drawing handle 231, pushes and pulls hand Handle 231 is moved, while with pendulum lock pin 232 under the guiding of lead 2312 using the elastic force of elastic drive part towards seat 11 It is moved towards seat 11 hence into locked groove, completes the locking on 11 direction of rotation of seat, waiting is set out again.If lock pin 232 fail to enter locked groove, and corresponding alert mechanism prompting user pays attention to corresponding security risk.

For pitch regulation function, it is additionally provided with and matches between the pitch regulation frame 31 of child restrainnt system and seat 11 Angle lock mechanism 32, pitch regulation frame 31 includes collet 311 and support plate 312 He of the vertically-arranged on collet 311 side by side Support plate 313；Along the motion path of 11 adjusting pitch angle of seat, support plate 312 and 313 one end of support plate are equipped with first and are oriented to Bar 331, the other end are equipped with the second guide groove 332；Seat 11 is equipped with and 331 matched first guide groove of the first guide rod (be located at 11 back side of seat, therefore not shown) and with 332 matched second guide rod 333 of the second guide groove；Guide rod edge Corresponding guide groove moves to guide 11 adjusting pitch angle of seat.

In the specific setting of guide rod and guide groove, a rod piece of the first 331 entirety of guide rod, the first guide groove 332 be arranged in the axial both sides of the first guide rod 331 two；First guide rod 331 penetrates through support plate 312 and support plate 313, the two ends position of the first guide rod 331 is respectively implanted the first guide groove of respective side, therefore the first guide rod 331 can It is slided along the first guide groove.

Similarly the second guide rod 333 is one, and the two ends of the second guide rod 333 are separately fixed on seat 11, second The middle part of guide rod 333 is through the second guide groove 332 of support plate 312 and support plate 313.Therefore the second guide rod 333 can It is free to slide along the second guide groove 332.

The cooperation of first guide rod 331 and the first guide groove, in addition the second guide rod 333 and the second guide groove 332 are matched It closes, can realize that seat 11 carries out pitch regulation relative to pitch regulation frame 31.

In order to preferably realize pitching motion, the root edge of support plate 312 and support plate 313 with collet 311 with fitting Flanging 314, between support plate 312 and support plate 313 be equipped be laminated on it is on each flanging 314 and mutually fixed with collet 311 Press strip 315.Specifically, press strip 315 is two to be arranged side by side, and camber.

Support plate 312 and support plate 313 are respectively equipped with and the matched carrying flanging 316 of seat 11.Correspondingly, seat 11 Bottom be equipped with the reinforcement raised line (be located at 11 back side of seat, therefore not shown) to offset with carrying flanging 316.And support plate 312 It is bent in opposite directions with the carrying flanging 316 in support plate 313.

In the present embodiment, child restrainnt system is additionally provided with pedestal 10, and a turntable 22, pitching are rotatablely equipped on pedestal 10 Adjusting bracket 31 is fixed on the top surface of the turntable 22.22 circle of position of turntable annular, the arc of press strip 315 is corresponding with the turntable, turntable 22 The support plate 312 protected by collet 311 and support plate 313 are clamped about 315 with press strip.

On specific form, collet 311 is similar to support plate, is respectively provided with first extended towards 11 rear side of seat and upwarps portion 341, And upwarp portion 342 towards 11 front side of seat extends second；First guide rod 331 is located at the first top for upwarping portion 341, the Two guide grooves are located at the second top for upwarping portion 342；And collet 311 is structure as a whole, including：

It fits fixed round plate 3111 with 22 top surface of turntable；

It is upwardly extended from 3111 edge of round plate and the supporting part 3112 with portion 341 is upwarped with first；

Second is sticked on round plate 3111 and upwarps lateral support portion 3113 of portion 342.

So far, seat 11 has been able to carry out pitching motion on pedestal 10 very well and consolidate to be mounted with, in order to prevent seat Chair 11 is moved relative to pedestal 10, and angle lock mechanism 32 includes：

Along the motion path of 11 adjusting pitch angle of seat, it is arranged in second and upwarps multiple lockholes 321 in portion；

The lock pin 322 being slidably mounted on seat 11；

Lock pin is made to enter or exit the driving handle 323 of lockhole.

The guide holder 324 being fixed on seat 11, driving handle 323 are slidably mounted on the guide holder 324, are being oriented to Seat 324 is equipped with the limiting slot 3241 of limitation 323 sliding path of driving handle.Guide holder 324 is equipped with limit hole 3242, lock pin 322 one end coordinates through limit hole 3242 with lockhole 321, and the other end is equipped with the driving lever 325 radially extended along lock pin 321；It drives Fixed handle 323 is equipped with the driving inclined hole 3231 with 322 motion path oblique of lock pin, and driving lever 325 stretches into the driving inclined hole 3231。

In the present embodiment, 324 left and right sides of guide holder is designed with limit hole 3242, therefore the lock pin with driving lever 325 322 are equipped with left and right two, can coordinate respectively with the lockhole 321 in support plate 312 and support plate 313.

In use：

When user needs to unlock and carries out pitch regulation, user firmly pulls out driving handle 323 backwards to seat 11, Under the action of driving inclined hole 3231, drive two poke rods 325 close to each other, it is close to each other simultaneously so as to fulfill two lock pins 322 The lockhole 321 in support plate 312 and support plate 313 is exited, at this time the latch-release of seat 11 and pitch regulation frame 31, held Under the support for carrying flanging 316 and reinforcement raised line, and coordinate the first guide rod 331 and the first guide groove and the second guide rod 333 and second guide groove 332 guiding, seat 11 can with respect to pitch regulation frame 31 carry out pitch regulation, when user is adjusted to During the angle needed, driving handle 323 is unclamped, driving handle 323 moves under the action of elastic reseting part towards seat 11, Under the action of inclined hole 3231 is driven, two poke rods 325 is driven to be located remotely from each other, are located remotely from each other so as to fulfill two lock pins 322 And enter the locking of support plate 312 and lockhole 321, at this time seat 11 and pitch regulation frame 31 in support plate 313, wait for second Secondary triggering.

For the regulatory function of security component, child restrainnt system is slidably installed in pedestal 10 to be useful for connecting with vehicle The security component 51 connect, positioning tooth bar 52 is equipped on security component 51, and pedestal 10 is equipped with and is matched with the positioning tooth bar 52 Sliding locking mechanism 53, sliding locking mechanism 53 includes：

Locking piece 531, the locking piece 531 have the locking bit for being caught in positioning tooth bar 52 and are detached from positioning tooth bar 52 Release the lock position；

Release lever 532 is slidably mounted on pedestal 10, which is equipped with and drives locking level in locking bit The guiding inclined hole 533 switched between release the lock position, a part for locking piece 531, which extends to, to be oriented in inclined hole 533；

Guide part 534, for limiting locking level between locking bit and release the lock position during switching position on pedestal 10 Motion path.

In terms of the specific setting of locking piece 531：Locking piece 531 is for rod-shaped locking level and through guiding inclined hole 533.Lock Determine part 531 end pass through respective side guide part 534 after further extend, then matched with the positioning tooth bar 52 of respective side.

In the present embodiment, security component 51 is ISOFIX components, therefore security component 51 is two sets to be arranged side by side, lock Part 531 is determined along between being arranged in two sets of security components 51 perpendicular to 51 direction of motion of security component, the both ends difference of locking piece 531 It is matched with the positioning tooth bar 52 in respective side mounting assembly.

In terms of the specific setting of release lever 532：Release lever 532 includes the holding part being connected successively and (is located at pedestal 10 bottom, therefore not shown), connecting portion 5321 and driving portion 5322, be oriented to inclined hole 533 and be arranged on driving portion 5322.It leads It is bar hole to inclined hole 533, the angle being oriented between the extending direction of inclined hole 533 and the glide direction of release lever 532 is preferred It is 45 degree.And it is spaced apart two to be oriented to inclined hole 533, and locking piece 531 sequentially passes through each guiding inclined hole 533.

Matched guiding mechanism 535, the glide direction of release lever 532 are equipped between release lever 532 and pedestal 10 It is parallel with the direction of motion of security component 51.Specifically, guiding mechanism 535 includes the bar shaped being arranged on release lever 532 First pilot hole 5351 and it is arranged on the lead 5352 stretched on pedestal 10 in first pilot hole 5351.

In the present embodiment, the length of release lever 532 is longer, and the forepart of pedestal 10 is extended to from the middle part of pedestal 10, Therefore in order to provide stable unlocking motion, guiding mechanism 535 is equipped with multigroup, such as guiding mechanism 5353 in figure and leads To mechanism 5354.

In terms of the specific setting of guide part 534, guide part 534 be bar shaped guide groove, the extending direction of guide groove with The direction of motion of security component 51 is vertical.

In the present embodiment, support for rotary disc 21 is fixed on pedestal 10, the bottom of seat 11 is equipped with and the support for rotary disc 21 Matched turntable 22, pitch regulation frame 31 is fixed on turntable 22, and 11 adjustable angle of seat is mounted on pitch regulation frame 31 On.The second pilot hole 211 corresponding with 534 position of guide part and extending direction, locking piece are equipped on support for rotary disc 21 531 end further extends, then the positioning with respective side after sequentially passing through the second pilot hole 211 of respective side, guide part 534 Rack 52 matches.

In terms of the specific setting of positioning tooth bar 52：

Multiple helical teeth are uniformly placed in positioning tooth bar 52, a lateral tooth flank of helical teeth is the locking piece with being in locking bit 531 working faces 521 being mutually clamped push locking piece 531 to enter release the lock position when another lateral tooth flank is resetted for security component 51 Reset surface 522.And reset surface 522 is parallel with the extending direction for being oriented to inclined hole 533.

During user's use：

When user needs to be pushed home into security component 51, it is only necessary to be exposed at the part outside pedestal 10 to security component 51 Apply reasoning, the athletic meeting of security component 51 drives positioning tooth bar 52 inwardly to move, supported so as to the reset surface 522 of positioning tooth bar 52 Locking piece 531 is pressed, the meeting of locking piece 531 is under the limiting of guide part 534, upward direction movement, so as to fulfill security component 51 Retraction.

When user needs to extend the length of security component 51, need to apply pulling force to the holding part of release lever 532, this When release lever 532 to 10 movement outside of pedestal, the meeting of locking piece 531 is being oriented to the driving of inclined hole 533 and guide part 534 Under limiting, upward direction movement so as to be detached from the working face 521 of positioning tooth bar 52, realizes the unlock of security component 51, secure group Part 51 being capable of free adjustment length.When user is adjusted to after needing length, release lever 532 is discharged.Release lever 532 is multiple To 10 medial motion of pedestal under the action of the elastic component (not shown) of position, the meeting of locking piece 531 be oriented to the driving of inclined hole 533 and It under the limiting of guide part 534, in downward direction moves, so as to engage the working face 521 of positioning tooth bar 52, realizes security component 51 Locking, sliding locking mechanism 53 complete one action process, and waiting is triggered again.

For the regulatory function of forced belt, what the component of child restrainnt system related generally to is useful for 11 He of connecting chair The forced belt 12 of anchor point (not shown, i.e., the fixed point on the carriers such as vehicle) and the locking for adjusting 12 length of forced belt Mechanism 13, locking mechanism 13 include：

Stent 131 is fixed on seat 11；

Stopband component 132 is movably arranged on stent 131 and is moved to limit forced belt 12；

Unlocking mechanism 14 coordinates on seat 11 or stent 131 and with stopband component 132, for driving stopband portion Part 132 releases the limitation to forced belt 12.

Specifically locking mechanism 13 is set as follows, and stent 131 is projected as U-shaped on the vertical direction of Fig. 1, and U-shaped is opened Mouth is equipped with the channel 133 worn for forced belt 12 for installing stopband component 132, between stopband component 132 and the bottom end of U-shaped. Stopband component 132 has a rotation axis spatially, and in the present embodiment, rotation axis is formed by rotary shaft 135.And it hinders On the peripheral surface of tape member 132 there is the forced belt tight lock part 1321 for the bottom end for being convex to U-shaped and be relatively distant from the bottom end of U-shaped Forced belt release portion 1322, therefore forced belt tight lock part 1321 can reduce the cross-sectional area of channel 133, forced belt release portion 1322 can increase the cross-sectional area of channel 133.Correspondingly, forced belt tight lock part 1321 is equipped with and 12 phase separation of forced belt Friction teeth (not shown).

The cross-sectional area size of corresponding channel 133, stopband component 132 have the lock for pushing against forced belt 12 in channel 133 The release the lock state of forced belt 12 in tight state and release channel 133.

In the present embodiment, stent 131 is prefabricated into an entirety with stopband component 132, is additionally provided with and is used on stent 131 The screw hole 134 installed with seat 11.In some other embodiments, stent 131 can be also served as by seat 11, i.e., directly will Stopband component 132 is mounted on seat 11, and channel 133 is surrounded and formed by stopband component 132 and seat 11.

In order to improve the locking effect of locking mechanism 13, locking mechanism 13 further includes stopband component 132 being maintained at First elastic component (not shown) of locking state, the first elastic component are the volume being wound between stent 131 and stopband component 132 Spring, wind spring can select to be wound in rotary shaft 135.Stopband component 132 is maintained at locking state.

The position of locking mechanism 13 is arranged on 110 rear side of backrest of seat 11, and close at the top of backrest 110, i.e. in Fig. 1 Top.And unlocking mechanism 14 and locking mechanism 13 are arranged on same position.

Unlocking mechanism 14 specifically includes：

Actuator, that is, the button 141 being slidably mounted on seat 11 are movably arranged on seat 11 and for driving stopband Component 132 enters release the lock state；

Second elastic component, that is, the helical spring 142 being set in locating rod 1411, for detaching actuator and stopband component 132 with reset button 141.

Specifically, it is to trigger tongue 1412 that button 141, which is equipped with locating rod 1411 and triggering tongue 1412, the second elastic component, It offsets cooperation with stopband component 132.Correspondingly, stopband component 132 is equipped with along itself diameter convex and matches with triggering tongue 1412 The trigger handle 1323 of conjunction.

110 top of backrest of seat 11 is equipped with installing plate 111, and installing plate 111 is fixed on seat 11 by the both wings of expansion The top of backrest 110,111 middle section hollow out of installing plate forms installation room 15, stent 131 and stopband component in locking mechanism 13 132 are located in installation room 15, and unlocking mechanism 14 is positioned at 15 outside of installation room and a part extends in installation room 15 and stopband portion Part 132 matches.A part of roof 151 for installing room 15 is detachable structure, and unlocking mechanism 14 is installed on roof 151.Roof 151 be 7 character form structures, and installation room 15 is formed for being surrounded with seat 11.

In the present embodiment, the locating rod 1411 of button 141, which is slided, is plugged in cross-bar on roof 151 and in button 141 left and right sides are respectively provided with one, and corresponding helical spring 142 also is provided with two, and it is rectangular that triggering tongue 1412, which is section, Strip plate, the purpose for being set as strip plate are to increase the contact area with trigger handle 1323, improve the stabilization of trigger action Property.Helical spring 142 is wound on cross-bar and both ends offset respectively with button 141 and roof 151.It is also set on button 141 There is the limiting section 1413 that cooperation is thought with roof 151, prevent button 141 from releasing roof 151 by helical spring 142.

Room 15 is installed backwards to 151 side of roof, i.e., the side wall 152 on installing plate 111 is equipped with and 133 position of channel Accordingly, enter band mouth 1521 and band outlet 1522 for what forced belt 12 was worn.110 rear side of backrest, which is additionally provided with, to be located at outside installation room 15 The decorative panel 16 in portion, decorative panel are equipped with entering the corresponding targeting port 161 of band mouth 1521 and 1522 position of band outlet.Wherein enter band Mouthfuls 1521 and the incoming and outgoing of band outlet 1522 be an opposite concept, such as forced belt 12 active length tune it is long when enter It is the active length tune band outlet in short-term of forced belt 12 with mouth.

The different parts of forced belt 12 pass through channel 133, and after channel 133, the length of forced belt 12 is locked, For active length, the length for not passing through channel 133 is for use length, therefore passes through channel 133 that can change according to forced belt 12 Become the active length of forced belt 12.

In use；

When user needs to adjust the active length of forced belt 12, firmly by lower button 141, button 141 is in locating rod The elastic force of helical spring 142 is overcome under 1411 guiding, is moved into installation room 15；Triggering tongue 1412 compresses tactile in motion process Hair handle 1323 simultaneously drives stopband component 132 around rotary shaft 135 counterclockwise to rotate in scheming, and stopband component 132 overcomes the The elastic force rotation of one elastic component, at this time the forced belt tight lock part 1321 of stopband component 132 in scheming counterclockwise far from stent 131, forced belt release portion 1322 is with counterclockwise close to stent 131, the cross-sectional area of channel 133 increases, forced belt in scheming 12 can free movement, user can easily be adjusted.

After the completion of adjusting, user's release button 141.Button 141 is under the elastic force effect of helical spring 142 and positions It under the guiding of bar 1411, is moved backwards to room 15 is installed, triggering tongue 1412 no longer applies pressure, stopband component to trigger handle 1323 132 under the elastic force driving of the first elastic component to be rotated clockwise in scheming, the forced belt tight lock part of stopband component 132 at this time 1321 in scheming clockwise close to stent 131, forced belt release portion 1322 in scheming clockwise far from stent 131, The cross-sectional area of channel 133 reduces, and forced belt 12 is locked.

At this time if child restrainnt system is by external force, forced belt 12 bears load, therefore forced belt 12 will appear to scheme The trend of middle right direction movement, thus the forced belt tight lock part 1321 of stopband component 132 can by in scheming in downward direction Frictional force, therefore stopband component 132 can be always held at locking state, improve the security performance of perambulator, until button 141 is by again Primary triggering.

For the regulatory function of height of headrest, the headrest 61 of child restrainnt system is slided along backrest 110 to be lifted, The elevation locking mechanism 62 to cooperate is equipped between backrest 110 and headrest 61, elevation locking mechanism 62 includes：

The multiple height lock slots 621 being arranged in along 61 directions of motion of headrest in backrest 110；

With the matched locking lateral pin 622 of height lock slots 621；

The height regulation handle 623 being slidably mounted on headrest 61, the height regulation handle 623 include being fitted in headrest 61 The ontology 6231 of front side and the driving portion 6232 positioned at 6231 bottom end of ontology, the driving portion is through headrest 61 and extends into In backrest 110, commutation inclined hole 6233 is equipped on driving portion 6232, locking lateral pin 622 is adjusted through the commutation inclined hole 6233, height Section handle 623 drives locking lateral pin 622 to be caught in or exit height lock slots 621 by the inclined hole 6233 that commutates in slip conditions.

On the specific form of height regulation handle 623, height regulation handle 623 be strip, height regulation handle 623 Ontology 6231 be equipped with the pilot hole 6234 that extend along displacement direction, rest the head on 61 front side equipped with being transported along pilot hole 6234 Dynamic lead 611.It is set on the ontology of height regulation handle 623 with a void region 6235, the root edge of void region 6235 There is positioning seat 6236；The front side of headrest 61, which is equipped with, extends to the void region 6235 and positioned at the footstock of 6236 top of positioning seat 612, elastic drive part (not shown) is the compression spring being pressed between footstock 612 and positioning seat 6236.In the present embodiment, it positions Seat 6236 is cross projection seat, and compression spring is wound in cross projection seat to be moved to prevent stop bit；Footstock 612 is fits with 6235 shape of void region The bumping square matched, footstock 612 are the guiding work(coordinated with void region 6235 to supplement pilot hole 6234 and lead 611 Energy.

In installing for height regulation handle 623, the 61 front side fitting of resting the head on is fixed with bolster 615, height regulation handle 623 ontology is located between headrest 61 and bolster 615.Headrest 61 is equipped with avoid holes 613, the driving of height regulation handle 623 Portion enters via the avoid holes inside backrest 110, rest the head on 61 rear wall be equipped with outer cover corresponding with 613 position of avoid holes 614, and driving portion 6232 is located in the outer cover 614.The two opposite side walls of outer cover 614 are equipped with restriction locking lateral pin 622 and are caught in Or the hole 6141 of 621 motion path of height lock slots is exited, the both ends of locking lateral pin 622 are passed through respectively by commutation inclined hole 6233 The hole 6141 of respective side is worn, and stretches into respective side and height lock slots 621.In the present embodiment, the extension side in hole 6141 To vertical with the direction of motion of height regulation handle 623.In further embodiments, the extending direction in hole 6141 is adjusted with height The direction of motion for saving handle 623 is not in the same direction.

In the operation of height regulation handle 623, the bodies top of height regulation handle 623 is connected with flexible cable 6237, the other end of the flexible cable 6237 extends to the outside of headrest 61 and 615 clamping zone of bolster and equipped with draw ring 6238. By lifting draw ring 6238, height regulation handle 623, which can enter, makes locking lateral pin 622 exit above carrying for height lock slots 621 State；Draw ring 6238 is discharged, by the elastic force of elastic drive part, height regulation handle 623, which can enter, blocks locking lateral pin 622 Enter the pressed status of height lock slots 621.

In the setting of height lock slots 621, two toothed racks 1101 are mounted side by side in backrest 110, to provide height Lock slots 621 are spent, the limited block 1102 along the high direction protrusion of tooth is equipped in the end of each rack 1101.

In use：

When user needs to adjust 61 height of headrest, it is only necessary to lift draw ring 6238, draw ring 6238 can be drawn by flexibility Rope 6237 pulls height regulation handle 623, and height regulation handle 623 is and void region 6235 and pilot hole in footstock 612 6234 and lead 611 formed motion path on move upwards；The driving portion 6232 of height regulation handle 623 is moving upwards During by commutate inclined hole 6233 to locking lateral pin 622 apply thrust, under the guiding in hole 6141, lock lateral pin 622 Far from backrest 110, unlock is realized so as to which both ends are detached from height lock slots 621, user can freely adjust 61 height of headrest at this time.

After being adjusted in place, user discharges lifting draw ring 6238, and height regulation handle 623 receives the bullet of elastic drive part Power, thus footstock 612 be on the motion path formed with void region 6235 and pilot hole 6234 and lead 611 downwards Movement；The driving portion 6232 of height regulation handle 623 is during moving downward by the inclined hole 6233 that commutates to locking lateral pin 622 apply pulling force, and under the guiding in hole 6141, locking lateral pin 622 is close to backrest 110, so as to which both ends are caught in height lock slots 621 realize locking, and elevation locking mechanism 62 completes primary complete locking and unlock, waiting are triggered again.

For side crash protection, child restrainnt system is respectively equipped with side crash guard member 41 in 110 both sides of backrest of seat 11, Side crash guard member 41 includes being located at the housing 410 of 110 corresponding side of backrest, is cavity knot between 110 outer wall of housing 410 and backrest Structure；Housing 410 include being located at backrest 110 it is lateral hold the portion of hitting 411, hold the portion of hitting 411 towards the edge of 110 rear side of backrest to infolding Curved composition buffer part 412, is equipped with the multiple deformation suckings 413 from top to bottom arranged in buffer part 412.

In terms of 410 specific form of housing of side crash guard member 41：

The edge for holding the portion of hitting 411 towards 110 front side of backrest is the first arc 4111, holds the portion of hitting 411 towards 110 rear side of backrest Edge for the second arc 4112, the first arc 4111 is to hold the portion of hitting 411 with 4112 enclosed area of the second arc.In this implementation In example, the second arc 4112 also becomes the boundary position for holding the portion of hitting 411 and buffer part 412.First arc 4111 and the second arc Shape 4112, which surrounds to be formed, holds the portion of hitting 411, therefore holds the portion of hitting 411 and the small shape broad in the middle in both ends is formed in the short transverse of seat 11 Shape.As shown in fig. 1,11 backrest 110 of seat is arc, to be bonded the arc of 11 backrest 110 of seat, housing 410 and backrest The thickness of cavity structure between 110 outer walls is gradually increased along the direction of seat 11 from front to back.The width of buffer part 412 is by upper It is gradually increased under, until being gradually reduced again behind the middle part of 412 short transverse of buffer part.Therefore the portion of hitting 411 is held towards seat 11 Side can keep opposed vertical, in order to improve the stress performance for holding the portion of hitting 411, hold the portion of hitting 411 and hold the portion of hitting 411 equipped with opposite The reinforcing rib 4113 that place face height rises and falls.

In terms of 413 specific form of deformation sucking of side crash guard member 41：

Deformation sucking 413 is horizontal bar hole.Direction of the horizontal direction for the relative level in Fig. 1, and deformation The inner edge of sucking 413 has smooth edge.The neighbouring one end for holding the portion of hitting 411 of deformation sucking 413 cross hold the portion of hitting 411 with The boundary position of buffer part 412 and extend to and hold the portion of hitting 411.In specific parameter, the length of deformation sucking 413 with it is residing 80% or so of 412 width of buffer part of position.Because the width of buffer part 412 becomes with the short transverse of seat 11 Change, therefore the length of deformation sucking 413 changes also with the short transverse of seat 11.The width of deformation sucking 413 Preferably 8mm.

In terms of the installation details of side crash guard member 41：

110 outer wall of backrest of seat 11 is equipped with limited step 1101, hold the portion of hitting 411 towards the front side of backrest 110 edge with Limited step 1101 offsets limiting.Hold the portion of hitting 411 inner wall be equipped with inner screw sheath 4114, and by with the inner screw sheath 4114 The screw rod of cooperation is fixed on the backrest 110 of seat 11.It holds and is set between the inner wall in the portion of hitting 411 and the outer wall of inner screw sheath 4114 There is reinforcing rib 4115.Each inner screw sheath 4114 is equipped with multiple reinforcing ribs 4115.

It should be noted that the not simple superposition of each functional component of child restrainnt system in the utility model, but Interrelated interaction, essential promotion is generated to the safety of children, the combination of each function can generate synergistic effect. Such as spinfunction and pitch regulation function can greatly increase the degree of freedom of seat adjusting；Such as height of headrest adjusts meeting shadow again The whole center of gravity of restraint system is rung, and the design of forced belt can effectively overcome the protecting effect of restraint system after center of gravity raising. Similar collaboration is also very much, and those skilled in the art can easily understand the various combinations of the utility model and collaboration effect Fruit.Therefore, it these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of child restrainnt system including pedestal and seat, is fixed with support for rotary disc, the bottom of the seat on the pedestal Equipped with the matched turntable of the support for rotary disc, which is characterized in that the support for rotary disc be equipped at least three claws, each claw Interval is pressed on the edge of turntable to limit disk position；

The turntable is equipped with pitch regulation frame, and the seat is mounted on the pitch regulation frame, the pitch regulation frame and seat Be additionally provided with matched angle lock mechanism between chair, the pitch regulation frame include collet and side by side vertically-arranged on collet Two pieces of support plates；Along the motion path of seat adjusting pitch angle, two pieces of support plate one end are equipped with the first guide rod, on the other end Equipped with the second guide groove；The seat is equipped with the first guide groove matched with first guide rod and with described the Matched second guide rod of two guide grooves；Guide rod moves to guide seat adjusting pitch angle along corresponding guide groove.

2. child restrainnt system as described in claim 1, which is characterized in that the support for rotary disc includes two be arranged side by side Support member, support element are the plate of vertically-arranged, and support element base carries flanging, which is affixed to merge with pedestal and be bolted； The claw is located at the apical margin of place support element；Two claws on same support element are oppositely arranged, each claw and place branch Card slot is formed between the apical margin of support member, the edge of the turntable is stretched into and is limited in each card slot；The apical margin of the support element Folding ear equipped with support turntable bottom surface.

3. child restrainnt system as claimed in claim 2, which is characterized in that the pedestal is equipped with turn with turntable phase separation Dynamic locking mechanism, the rotary locking mechanism include：

The drawing handle being slidably mounted on pedestal；

Lock pin on the drawing handle；

The opposite sides of the drawing handle is equipped with the pilot hole of bar shaped, and the pedestal is equipped with and is respectively protruding into each pilot hole Lead.

4. child restrainnt system as described in claim 1, which is characterized in that the support plate has towards extension on rear side of seat First upwarps portion and upwarps portion towards second of extension on front side of seat；First guide rod is located at the first top for upwarping portion, Second guide groove is located at the second top for upwarping portion；The collet is structure as a whole, including：

It fits fixed round plate with turntable top surface；

5. child restrainnt system as claimed in claim 4, which is characterized in that the angle lock mechanism includes：

The lock pin being slidably installed on the seat；

Lock pin is made to enter or exit the driving handle of lockhole.

6. child restrainnt system as described in claim 1, which is characterized in that being slidably installed in the pedestal is useful for and vehicle The security component of connection, positioning tooth bar is equipped on the security component, the pedestal is equipped with and the positioning tooth bar matches The sliding locking mechanism of conjunction, the sliding locking mechanism include：

Release lever is slidably mounted on pedestal, which is equipped with and drives locking level between locking bit and release the lock position The guiding inclined hole of switching, at least part of the locking piece, which extends to, to be oriented in inclined hole；

Guide part is used to limit motion path of the locking level between locking bit and release the lock position during switching position on pedestal.

7. child restrainnt system as claimed in claim 6, which is characterized in that be equipped with and the guide part position on support for rotary disc It puts and corresponding second pilot hole of extending direction, the end of the locking level sequentially passes through the second pilot hole of respective side, leads Further extend after part, then matched with the positioning tooth bar of respective side.

8. child restrainnt system as described in claim 1, which is characterized in that the seat is equipped with forced belt and for adjusting The locking mechanism of the stress strip length, the forced belt are equipped at least one and for connecting the anchor on the seat and vehicle Fixed point；

The locking mechanism is fixed on the seat, and equipped with the stress tape channel worn for forced belt, the stress tape channel With reduce and limit forced belt movement closing state and opposite opening state；

9. child restrainnt system as described in claim 1, which is characterized in that the seat is equipped with by back along the backrest The headrest of lifting is slided, the elevation locking mechanism to cooperate, elevation locking mechanism's packet are equipped between backrest and headrest It includes：

With the matched locking lateral pin of the height lock slots；

The height regulation handle being slidably mounted on headrest, the height regulation handle include being fitted in the ontology of headrest front side, with And it is oblique to be equipped with commutation through resting the head on and extending into backrest on driving portion for the driving portion positioned at ontology bottom end, the driving portion Hole, the locking lateral pin drive locking horizontal by the inclined hole that commutates in slip conditions through the commutation inclined hole, height regulation handle Pin card enters or exits height lock slots.

10. child restrainnt system as claimed in claim 9, which is characterized in that the height regulation handle, which has, makes locking horizontal What pin exited height lock slots above puies forward state；And locking lateral pin is made to be caught in the pressed status of height lock slots, it is resting the head on and height The elastic drive part that height regulation handle is driven to be maintained at pressed status is equipped between degree regulation handle.

11. child restrainnt system as claimed in claim 10, which is characterized in that carried on the ontology of the height regulation handle One void region, the root edge of void region are equipped with positioning seat；The front side of the headrest is equipped with and extends to the void region and be located at Footstock above positioning seat, the elastic drive part are the compression spring being pressed between footstock and positioning seat.

12. child restrainnt system as claimed in claim 11, which is characterized in that the headrest is equipped with avoid holes, the height The driving portion of degree regulation handle enters via the avoid holes inside backrest, and the rear wall of the headrest is equipped with avoiding hole site Corresponding outer cover, and the driving part is in the outer cover.

13. child restrainnt system as described in claim 1, which is characterized in that be respectively equipped with side crash in the backrest both sides of seat Guard member, the side crash guard member include being located at the housing of backrest corresponding side, are cavity structure between housing and backrest outer wall； The housing include being located at backrest it is lateral hold the portion of hitting, hold the portion that hits and form buffer part towards the inside bending in edge by rear side, The multiple deformation suckings from top to bottom arranged are equipped in buffer part.

14. child restrainnt system as claimed in claim 13, which is characterized in that the portion of hitting of holding is towards the edge on front side of backrest For the first arc, it is described hold the portion that hits towards the edge by rear side be the second arc, the first arc and the second arc enclosed area The portion of hitting is held to be described；The backrest outer wall of the seat is equipped with limited step, and first arc and the limited step offset limit Position；The deformation sucking is horizontal bar hole.