CN203974609U - The child safety seat that attitude is adjustable - Google Patents

Abstract

The utility model discloses the adjustable child safety seat of a kind of attitude, comprise seat skeleton, seat base, device for regulating chair angle and slider-crank mechanism, the below of this seat skeleton is provided with arc-shaped slide rail, on this seat base, be provided with the negative camber chute that coordinates with this arc-shaped slide rail and can relative slippage, this device for regulating chair angle is in order to the slippage location between seat skeleton and seat base and gear adjusting; Described slider-crank mechanism comprises connecting rod, slide block and guide rail, and the upper end of this connecting rod is hinged on the back of described seat skeleton, and its lower end is hinged on this slide block, and this slide block coordinates slip with guide rail, and this guide rail maintains static.This safety seat can reach the adjustable object of attitude by angle regulator, and the impulsive force that simultaneously can produce collision by slider-crank mechanism plays the effect of buffering and adds the effect of increasing, thereby increases the safety performance of seat.

Description

The child safety seat that attitude is adjustable

Technical field

The utility model relates to a kind of seat, espespecially a kind of for the adjustable child safety seat of the attitude of automobile chair.

Background technology

In recent years, along 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 constantly perfect, and while being loaded with child on manned vehicle, laws and regulations requirement children must be sitting on child safety seat.Child safety seat is exactly a kind of designed for children that aims at different weight (or age bracket), and child is strapped in safety seat, can effectively improve the seat of children riding safety.According to traffic accident data statistics, annual nearly more than 18000 children die from traffic accident, and while getting into an accident, the virgin mortality of baby that child safety seat is not installed in automobile is that 8 times of child safety seat have been installed, and injury rate is 3 times.These data show, study and invent a child safety seat that has more safety and be of practical significance very much and be worth.Recent years, the frequent generation due to traffic accident, improves constantly automobile children safety chair performance requriements, and traditional child safety seat can not meet the product demand that national standard and people are right.

The fixed form of traditional children safety seat has two kinds, and a kind of is common belt anchorage chair, safety strap with back seat undercut in the hook location that interlocks, children fetter by the safety strap on child seat.China Patent Publication No. CN102951044A is the child safety seat of this kind of structure.Although the seat attitude of this class child safety seat can realize adjusting, but seat and automobile are connected and fixed shakiness, because interlocking, the hook in safety strap and back seat undercut can only guarantee the fixing of seat upper portion, can but well do not located seat bottom, add hook in safety strap and back seat undercut and interlock and exist gap can cause seat to rock.Therefore the stability of this class seat is not high.

The fixed form of another kind of child safety seat is to be fixed by ISOFIX device.The full name of ISOFIX is " International Standards Organisation FIX ", and the Chinese meaning is: International Standardization Organization's anchor fitting, it be one about settle the new standard of child seat in automobile.ISOFIX device is by being separately positioned on the ISOFIX interface that can cooperatively interact on back seat and safety seat, child safety seat being fixed on back seat by ISOFIX interface.China Patent Publication No. CN102632816A is this type of child safety seat being fixed by ISOFIX interface.The fixing child safety seat of this use ISOFIX interface, can reach the fixedly object of seat bottom, and stability is higher.But due to after this class child seat bottom is fixed, the chair back will lean on mutually with the chair back of back seat, and child seat chair back inclination angle cannot regulate; And because the top of this type of safety seat is unfixing, if the chair back is designed to adjustable structure, it between the chair back and base, certainly will be the movable structure of split, like this when having an accident, do not have fixing top to go out forward, under huge impulsive force, the connection structure between the chair back and base is easy to fracture and causes danger.For these reasons, the attitude with the fixing child safety seat of ISOFIX interface can not regulate at present, can have a strong impact on the traveling comfort of seat, does not meet the design of hommization.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of attitude adjustable and use safer child safety seat.

Another technical matters to be solved in the utility model is to provide a kind of child safety seat with the ISOFIX interface system of Telescopic, to adapt to the chair back of different attitudes.

For solving the problems of the technologies described above, technical solution of the present utility model is:

The child safety seat that a kind of attitude is adjustable, comprise seat skeleton, seat base, device for regulating chair angle and slider-crank mechanism, the below of this seat skeleton is provided with arc-shaped slide rail, on this seat base, be provided with the negative camber chute that coordinates with this arc-shaped slide rail and can relative slippage, this device for regulating chair angle is in order to the slippage location between seat skeleton and seat base and gear adjusting; Described slider-crank mechanism comprises connecting rod, slide block and guide rail, and the upper end of this connecting rod is hinged on the back of described seat skeleton, and its lower end is hinged on this slide block, and this slide block coordinates slip with guide rail, and this guide rail maintains static.

Preferably, described slider-crank mechanism is provided with symmetrical two groups, and at the back side of described seat skeleton, one rotating shaft is set, and the small end of two groups of slider-crank mechanisms is installed and is connected with this rotating shaft, to realize the hinged of two connecting rods and seat skeleton.

Preferably, described slide block below is provided with a pulley, and this slide block coordinates slip by this pulley with this guide rail.

Preferably, described device for regulating chair angle comprises body skin, steering unit, expansion link and rocking arm; This body skin and described seat skeleton are fixed together, and can relatively move with this steering unit; This expansion link is through being arranged on the through hole on this body skin, and at least two gear adjustment holes on the negative camber chute wall that is arranged on described seat base are optionally passed in its outer end; Described rocking arm one end is hinged on described steering unit, and stage casing is hinged on described body skin, and the other end promotes described expansion link and moves.

Preferably, described device for regulating chair angle further comprises a rocker stand, and this rocker stand is sandwiched in described rocking arm between the two together with described body skin, and this rocking arm is simultaneously hinged with this rocker stand and body skin.

Preferably, described device for regulating chair angle further comprises and can make the described expansion link pull back spring that automatically resets.

Preferably, the negative camber chute wall of described seat base further arranges an arc chute identical with the curvature of this negative camber chute, and this expansion link is along this arc chute slippage.

Preferably, on described body skin, be provided with guide pillar, on described steering unit, be provided with guide groove and coordinate mobile with this guide pillar.

Preferably, the arc-shaped slide rail of described seat skeleton is provided with knock hole and coordinates with described expansion link.

Preferably, the adjustable child safety seat of described attitude further comprises adjustable ISOFIX interface system.

Preferably, described adjustable ISOFIX interface system comprises two ISOFIX bars, ISOFIX shaft bar and ISOFIX pushing handle telescopic control mechanism; This ISOFIX bar is provided with ISOFIX interface and ISOFIX release-push, and its madial wall is provided with some spaced positioning grooves; This ISOFIX shaft bar and seat base are fixed, and it is provided with two in order to make ISOFIX bar slippage stroke groove within it, and the madial wall of the trip groove is provided with through hole; This ISOFIX pushing handle telescopic control mechanism comprises and discharges pull bar, two pull bar rocking arms, two gear spacers and pull bar pull back spring; One end of this release pull bar is formed with handle, and the other end is connected with one end of two pull bar rocking arms; The stage casing of this pull bar rocking arm is hinged on described ISOFIX shaft bar, and its other end and gear spacer are hinged; This gear spacer is also hinged on described ISOFIX shaft bar, which is provided with the angle locking plate that can coordinate with described positioned at intervals groove; This pull bar pull back spring is for discharging the reset of pull bar.

Preferably, described ISOFIX shaft bar is provided with a release pull bar fixed mount, and this release pull bar fixed mount is provided with slide opening, and described release pull bar passes this slide opening to position.

Preferably, described ISOFIX shaft bar is fixed with two rockers arm support, and the stage casing of two described pull bar rocking arms is hinged on this rocker arm support.

Preferably, be fixed with two spacer adapter plates on described ISOFIX shaft bar, this gear spacer is hinged on described ISOFIX shaft bar together by this spacer adapter plate.

Preferably, on described ISOFIX bar, be fixed with positioning plate, the stroke groove place of described ISOFIX shaft bar is provided with the stroke of limiting section and positioning plate engagement limits ISOFIX bar.

Preferably, between described ISOFIX shaft bar and ISOFIX bar, be provided with ISOFIX bar pull back spring.

Adopt after such scheme, the utlity model has following beneficial effect:

1. the utility model is provided with device for regulating chair angle, and seat has attitude regulation function, makes child safety seat become flexible, comfortable, practical, and simultaneously novelty design slider-crank mechanism, because seat skeleton is only by being connected and fixed with device for regulating chair angle, and device for regulating chair angle is normally fixed by the hole on its expansion link and base, expansion link diameter is less, stressed limited, when travel sudden stop or while crashing of manned vehicle, whole seat skeleton is because inertia can produce acceleration/accel forward, produce a tractive force forward, and power is very large, so it is not all right depending the spacing of expansion link alone, the utility model has added a slider-crank mechanism for this reason, the hinged degree of freedom with a rotation of the connecting rod on slider-crank mechanism top and seat skeleton, connecting rod below is hinged with slide block, also the degree of freedom that has a rotation, slide block coordinates with the guide rail of bottom, the free sliding degree that can have a direction in guide rail, the impulsive force that can produce collision by slider-crank mechanism like this plays the effect of buffering and adds the effect of increasing, thereby increase the safety performance of seat.

2. the utility model can further adopt ISOFIX interface system, and the bottom of safety seat and the interface of automotive seat are connected, and reaches the fixedly object of seat bottom, has increased the stability of seat.

3.ISOFIX interface system has adopted adjustable structure, thereby makes seat can adapt to the chair back of angle adjustable, and the safe chair back is leant with the chair back of back seat all the time, when increasing stability, can improve safety.

Accompanying drawing explanation

Fig. 1 is integral structure schematic diagram of the present utility model;

Fig. 2 is integral structure back view of the present utility model;

Fig. 3 is integral structure left view of the present utility model;

Fig. 4 a and Fig. 4 b are the schematic diagrams of seat skeleton described in the utility model;

Fig. 5 a and Fig. 5 b are the schematic diagrams of slider-crank mechanism described in the utility model;

Fig. 6 is the assembling schematic diagram of seat skeleton described in the utility model and slider-crank mechanism;

Fig. 7 a and Fig. 7 b are device for regulating chair angle schematic diagrams described in the utility model;

Fig. 8 is body skin schematic diagram described in the utility model;

Fig. 9 is steering unit schematic diagram described in the utility model;

Figure 10 is that expansion link described in the utility model coordinates schematic diagram with pull back spring;

Figure 11 is device for regulating chair angle operating principle assembling schematic diagram described in the utility model;

Figure 12 is seat base upper and lower covers decomposing schematic representation described in the utility model;

Figure 13 is seat base upper cover schematic diagram described in the utility model;

Figure 14 is seat base lower cover schematic diagram described in the utility model;

Figure 15 is seat base upper and lower covers assembling schematic diagram described in the utility model;

Figure 16 is the assembling schematic diagram of upper cover negative camber chute described in the utility model and seat skeleton arc-shaped slide rail;

Figure 17 is the decomposing schematic representation of adjustable ISOFIX interface system described in the utility model;

Figure 18 is ISOFIX bar schematic diagram described in the utility model;

Figure 19 is ISOFIX shaft bar schematic diagram described in the utility model;

Figure 20 is positioning plate described in the utility model and the schematic diagram that coordinates of ISOFIX shaft bar stroke groove;

Figure 21 is the assembling schematic diagram of pull back spring described in the utility model;

Figure 22 is ISOFIX pushing handle telescopic control mechanism schematic diagram described in the utility model;

Figure 23 a and Figure 23 b are rocking arm described in the utility model, rocker arm support, ISOFIX gear spacer connection diagram;

Figure 24 is ISOFIX interface system operating principle general assembly schematic diagram described in the utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

What the utility model disclosed is the adjustable child safety seat of a kind of attitude, as shown in Fig. 1 to Figure 24, is preferred embodiment of the present utility model.Described child safety seat mainly comprises seat skeleton 1, seat base 2, device for regulating chair angle 3 and slider-crank mechanism 4, also can further comprise adjustable ISOFIX interface system 5.Wherein:

Coordinate shown in Fig. 4 a, Fig. 4 b, Figure 13 and Figure 16, the below of described seat skeleton 1 is provided with arc-shaped slide rail 11, on described seat base 2, be provided with the negative camber chute 21 that coordinates with this arc-shaped slide rail 11 and can relative slippage, described device for regulating chair angle 3 is in order to the slippage location between seat skeleton 1 and seat base 2, to realize the gear of seat skeleton 1 different angle, regulate, thereby carry out the adjusting of seat attitude.

Coordinate shown in Fig. 4 a, Fig. 4 b, Fig. 5 a, Fig. 5 b and Fig. 6, described slider-crank mechanism 4 comprises connecting rod 41, slide block 42 and guide rail 43, the upper end of this connecting rod 41 is hinged on the back of described seat skeleton 1, its lower end is hinged on this slide block 42, this slide block 42 coordinates slip with guide rail 43, this guide rail 43 is fixed on seat base 2 connecting elements such as grade, to guarantee that guide rail 43 maintains static.Smooth and easy for slide block 42 can be slided on guide rail 43, a pulley 44 can be installed below this slide block 42, by this slip 44, make to slide and 42 on guide rail 43, slide.When the tilt adjustment of seat skeleton 1 is good and fixing by device for regulating chair angle 3 after, between two points of connecting rod 41 upper and lower sides of this slider-crank mechanism 4 and the locating point of seat skeleton 1, form triangular support, when the inclination angle of seat skeleton 1 changes (locating point of seat skeleton 1 also changes), the slide block 42 of slider-crank mechanism 4 can move on guide rail 43, and coupler link 41 is around the rotation of its upper end, to change the shape of triangular support, thereby adapt to the change of pitch angle of seat skeleton 1.The principle of work of described slider-crank mechanism 4 is: when seat has tractive force forward (while having acceleration/accel forward), seat skeleton 1 travels forward, now need to overcome power that the slide block 42 of slider-crank mechanism 4 slides along guide rail 43 (due to triangular support cause, this coasting distance is very little), like this when there is sudden stop or collision case in manned vehicle, first slider-crank mechanism 4 will play certain buffer action, when slider-crank mechanism 4 slides into limit, slider-crank mechanism 4 can not continue to slide again, now slider-crank mechanism 4 produces the proal opposition of seat skeleton 1, stop seat skeleton 1 to continue motion, avoided the generation of seat skeleton 1 clear off the seat base 2 situations.

Further, in order to make balance support, described slider-crank mechanism 4 can arrange symmetrical two groups, and a rotating shaft 12 is set at the back side of described seat skeleton 1, and the connecting rod of two groups of slider-crank mechanisms 4 41 upper ends are installed and are connected with this rotating shaft 12, to realize the hinged of two connecting rods 41 and seat skeleton 1.

Described device for regulating chair angle 3 can adopt various structures form, for example the disclosed adjustment structure of CN102951044A.In the present embodiment, coordinate shown in Fig. 7 a, Fig. 7 b, Fig. 8 to Figure 11, this device for regulating chair angle 3 comprises body skin 31, steering unit 32, expansion link 33 and rocking arm 34.This body skin 31 is fixed together with above-mentioned seat skeleton 1, can relatively move with this steering unit 32, for make between this body skin 31 and steering unit 32 relatively move more smooth and easy, can on this body skin 31, guide pillar 311 be set, guide groove 321 be set on this steering unit 32 and coordinate mobile with this guide pillar 311.Described expansion link 33 is through the through hole 312 on described body skin 31, its outer end is optionally through being arranged at least two gear adjustment hole 22(on negative camber chute 21 sidewalls of described seat base 2 as Figure 12,13), and can on the arc-shaped slide rail 11 of described seat skeleton 1, arrange again knock hole 13(as Fig. 4 a), this expansion link 33 is coordinated, to increase the Joint strenght of seat skeleton 1 and device for regulating chair angle 3 with this knock hole 13.Described rocking arm 34 one end are hinged on described steering unit 32, and stage casing is hinged on described body skin 31, and the other end promotes described expansion link 33 and moves.Further, for better fixedly rocking arm 34, described device for regulating chair angle 3 may further include a rocker stand 35, and this rocker stand 35 is sandwiched in described rocking arm 34 between the two together with described body skin 31, and this rocking arm 34 is simultaneously hinged with body skin 31 with this rocker stand 35.Moreover, for described expansion link 33 is automatically reset, a pull back spring 36 can be further set.In addition (coordinate Figure 12,13), negative camber chute 21 sidewalls at described seat base 2 can further arrange an arc chute 23 identical with the curvature of this negative camber chute, make this expansion link 33 can be along these arc chute 23 slippages, thereby guarantee that this expansion link 33 can conveniently align each gear adjustment hole 22.

The principle of work of described device for regulating chair angle 3 is: pull steering unit 32, drive rocking arm 34 to swing; the swing of rocking arm 34 makes the inside retraction of expansion link 33; make expansion link 33 depart from originally the gear adjustment hole 22 of cooperation with it and in the interior slip of arc chute 23 of seat base 2, now can regulate the inclination angle (being the sitting posture of seat) of seat skeleton 1; When expansion link 33 slides to another gear adjustment hole 22, unclamp steering unit 32, pull back spring 36 makes expansion link 33 stretch out return, coordinates with this gear adjustment hole 22, coordinates with the knock hole 13 on seat skeleton 1 simultaneously, and seat is fixed on corresponding gear.

Concrete, described seat base 2 can be comprised of upper cover 24 and lower cover 25 two parts, as shown in Figure 12 to Figure 15, described negative camber chute 21, gear adjustment hole 22 and arc chute 23 are all processed on this upper cover 24, between upper cover 24 and lower cover 25, by screwed lock, are solidly connected.Described device for regulating chair angle 3 can be arranged in the mounting groove 26 of these seat base 2 tops.The negative camber chute 21 of this upper cover 24 with the principle of work that the arc-shaped slide rail of seat skeleton 1 11 coordinates is: the curvature of the arc-shaped slide rail 11 of seat skeleton 1 and the curvature of negative camber chute 21 are consistent, when pulling the steering unit 32 of device for regulating chair angle 3, method of operation is as described in the operating principle of above-mentioned device for regulating chair angle 3, it is shifted gears, because seat surface skeleton 1 is heavy keying fit with the body skin 31 of angle regulator 3, so the adjusting of device for regulating chair angle 3 gears makes the arc-shaped slide rail 11 of seat surface skeleton 1 slide along negative camber chute 21, make the angle of backrest that variation occur, thereby played the effect of adjusting sitting posture.

After the attitude of seat is conditioned, there is variation in the inclination angle of backrest, after child safety seat is arranged on back seat, needs the backrest of safety seat bonded to each other with the backrest of back seat, can guarantee like this steadiness of safety seat.For the fixedly fixed form of child safety seat that uses of seat belts, by regulating the length of safety strap just can make the backrest of child safety seat lean on mutually with back seat all the time.But for the fixed form of using ISOFIX interface, just need to use adjustable ISOFIX interface system, to guarantee that safety seat and the backrest of back seat lean on all the time mutually, to increase steadiness.

The structure of adjustable ISOFIX interface system is a lot, as CN102632816A discloses a kind of adjustable ISOFIX interface system.In the present embodiment, described adjustable ISOFIX interface system 5 comprises two ISOFIX bars 51, ISOFIX shaft bar 52 and ISOFIX pushing handle telescopic control mechanism (coordinating shown in Figure 17 to Figure 24).Described ISOFIX bar 51 is provided with ISOFIX interface 511 and ISOFIX release-push 512, and the madial wall of this ISOFIX bar 51 is also provided with some spaced positioning grooves 513.Described ISOFIX shaft bar 52 is fixing with seat base 2, within can being fixed on the upper and lower cover 24,25 of seat base 2, this ISOFIX shaft bar 52 is provided with two in order to make ISOFIX bar 51 slippages stroke groove 521 within it, and the madial wall of the trip groove 521 is provided with through hole 522.Described ISOFIX pushing handle telescopic control mechanism comprises and discharges pull bar 53, two pull bar Rocker arm 5s 4, two gear spacers 55 and pull bar pull back springs 56; One end of this release pull bar 53 is formed with handle 531, and the other end is connected with one end of two pull bar Rocker arm 5s 4; The stage casing of this pull bar Rocker arm 54 is hinged on described ISOFIX shaft bar 52, and its other end and gear spacer 55 are hinged; This gear spacer 55 is also hinged on described ISOFIX shaft bar 52, which is provided with the angle locking plate 551 that can coordinate with described positioned at intervals groove 513; Described pull bar pull back spring 56 is for discharging the reset of pull bar 53.Further, a release pull bar fixed mount 523 can be set on described ISOFIX shaft bar 52, this release pull bar fixed mount 523 is provided with slide opening 524, described release pull bar 53, through this slide opening 524, discharges the moving direction of pull bar 53 and plays fixation to discharging pull bar 53 thereby can limit.As shown in Figure 23 a and 23b, the stage casing that can also fix 525, two pull bar Rocker arm 5s 4 of two rockers arm support on described ISOFIX shaft bar 52 can be hinged on this rocker arm support 525, thereby facilitates the fixing of two pull bar Rocker arm 5s 4; On this ISOFIX shaft bar 52, can also fix two spacer adapter plates 526, this gear spacer 55 is hinged on described ISOFIX shaft bar 52 together by this spacer adapter plate 526, to facilitate the installation of two gear spacers 55.In order to limit the stroke of described ISOFIX bar 51, on this ISOFIX bar 51, be also fixed with positioning plate 57, stroke groove 521 places of described ISOFIX shaft bar 52 are provided with the stroke that limiting section 527 and positioning plate 57 coordinate to limit ISOFIX bar 51.In addition, between ISOFIX shaft bar 52 and ISOFIX bar 51, be also provided with ISOFIX bar pull back spring 58.

The application principle of adjustable ISOFIX interface system 5 is: pull the release pull bar 53 of ISOFIX pushing handle telescopic control mechanism, drive pull bar Rocker arm 54 to swing, pull bar Rocker arm 54 makes angle locking plate 551 retractions of gear spacer 55; After angle locking plate 551 retractions, ISOFIX bar pull back spring 58 makes ISOFIX bar 51 automatic springs to ultimate range, the length limited position plate 57 of ejection and limiting section 527 restrictions; Unclamp and discharge pull bar 53, pull bar pull back spring 56 in ISOFIX pushing handle telescopic control mechanism makes to discharge pull bar 53 returns, the angle locking plate 551 of gear spacer 55 stretches out, coordinate location with one of them positioning groove 513 on ISOFIX bar 51, can change the spacing distance between child safety seat chair back and automobile chair backrest from the cooperation of different positioning groove 513 by gear spacer 55.Pin ISOFIX release-push 512 and can make ISOFIX interface 511 and manned vehicle interface depart from, take off child safety seat.Because the locking plate 551 on gear spacer 55 is angle, for stretching out locking, regain not locking structure, like this, even when not pulling release pull bar 53, also can directly promote ISOFIX bar 51, the elastic force that overcomes ISOFIX bar pull back spring 58 can make ISOFIX bar 51 regain.Therefore when practical operation, can pull and discharge pull bar 53, under the effect of ISOFIX bar pull back spring 58, make ISOFIX bar 51 reach maximum position, then adjusting seat attitude, then safety seat is connected with the ISOFIX interface on back seat with ISOFIX interface 511, then promote safety seat backward, make ISOFIX bar 51 retractions, until the chair back of safety seat and the chair back of back seat lean, can firmly fix this child safety seat, and operation is very easy.

The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, thus variation or the modification in every case according to claim of the present utility model and specification sheets, done, within all should belonging to the scope that the utility model patent contains.

Claims (10)

1. the child safety seat that attitude is adjustable, it is characterized in that: comprise seat skeleton (1), seat base (2), device for regulating chair angle (3) and slider-crank mechanism (4), the below of this seat skeleton is provided with arc-shaped slide rail (11), on this seat base, be provided with the negative camber chute (21) that coordinates with this arc-shaped slide rail and can relative slippage, this device for regulating chair angle is in order to the slippage location between seat skeleton and seat base and gear adjusting; Described slider-crank mechanism comprises connecting rod (41), slide block (42) and guide rail (43), and the upper end of this connecting rod is hinged on the back of described seat skeleton, and its lower end is hinged on this slide block, and this slide block coordinates slip with guide rail, and this guide rail maintains static.

2. the adjustable child safety seat of attitude according to claim 1, it is characterized in that: described slider-crank mechanism is provided with symmetrical two groups, and at the back side of described seat skeleton, one rotating shaft is set, the small end of two groups of slider-crank mechanisms is installed and is connected with this rotating shaft, to realize the hinged of two connecting rods and seat skeleton.

3. the adjustable child safety seat of attitude according to claim 1 and 2, is characterized in that: described slide block below is provided with a pulley, and this slide block coordinates slip by this pulley with this guide rail.

4. the adjustable child safety seat of attitude according to claim 1 and 2, is characterized in that: described device for regulating chair angle comprises body skin (31), steering unit (32), expansion link (33) and rocking arm (34); This body skin and described seat skeleton are fixed together, and can relatively move with this steering unit; This expansion link is through being arranged on the through hole (312) on this body skin, and at least two the gear adjustment holes (22) on the negative camber chute wall that is arranged on described seat base are optionally passed in its outer end; Described rocking arm one end is hinged on described steering unit, and stage casing is hinged on described body skin, and the other end promotes described expansion link and moves.

5. the adjustable child safety seat of attitude according to claim 4, it is characterized in that: described device for regulating chair angle further comprises a rocker stand (35), this rocker stand is sandwiched in described rocking arm between the two together with described body skin, and this rocking arm is simultaneously hinged with this rocker stand and body skin.

6. the adjustable child safety seat of attitude according to claim 4, it is characterized in that: the negative camber chute wall of described seat base further arranges an arc chute (23) identical with the curvature of this negative camber chute, and this expansion link is along this arc chute slippage.

7. the adjustable child safety seat of attitude according to claim 4, is characterized in that: the arc-shaped slide rail of described seat skeleton is provided with knock hole and coordinates with described expansion link.

8. the adjustable child safety seat of attitude according to claim 1 and 2, is characterized in that: further comprise adjustable ISOFIX interface system.

9. the adjustable child safety seat of attitude according to claim 8, is characterized in that: described adjustable ISOFIX interface system comprises two ISOFIX bars, ISOFIX shaft bar and ISOFIX pushing handle telescopic control mechanism; This ISOFIX bar is provided with ISOFIX interface and ISOFIX release-push, and its madial wall is provided with some spaced positioning grooves; This ISOFIX shaft bar and seat base are fixed, and it is provided with two in order to make ISOFIX bar slippage stroke groove within it, and the madial wall of the trip groove is provided with through hole; This ISOFIX pushing handle telescopic control mechanism comprises and discharges pull bar, two pull bar rocking arms, two gear spacers and pull bar pull back spring; One end of this release pull bar is formed with handle, and the other end is connected with one end of two pull bar rocking arms; The stage casing of this pull bar rocking arm is hinged on described ISOFIX shaft bar, and its other end and gear spacer are hinged; This gear spacer is also hinged on described ISOFIX shaft bar, which is provided with the angle locking plate that can coordinate with described positioned at intervals groove; This pull bar pull back spring is for discharging the reset of pull bar.

10. the adjustable child safety seat of attitude according to claim 9, it is characterized in that: described ISOFIX shaft bar is provided with a release pull bar fixed mount, this release pull bar fixed mount is provided with slide opening, and described release pull bar passes this slide opening to position; Described ISOFIX shaft bar is fixed with two rockers arm support, and the stage casing of two described pull bar rocking arms is hinged on this rocker arm support; On described ISOFIX shaft bar, be fixed with two spacer adapter plates, this gear spacer is hinged on described ISOFIX shaft bar together by this spacer adapter plate; On described ISOFIX bar, be fixed with positioning plate, the stroke groove place of described ISOFIX shaft bar is provided with the stroke of limiting section and positioning plate engagement limits ISOFIX bar: between described ISOFIX shaft bar and ISOFIX bar, be provided with ISOFIX bar pull back spring.