CN209063935U - A kind of child restrainnt system - Google Patents

Abstract

The utility model discloses a kind of child restrainnt systems, including pedestal and seat mechanism, seat mechanism includes the seating pad and backboard for connecting and forming body support, and it is supported on the supporting element between seating pad and pedestal, pedestal is equipped with fixing axle, fixing axle fixedly or can be rotatably set on pedestal around self-axis line, seating pad is equipped with the guide groove extended along the longitudinal direction, fixing axle can be slidably plugged in guide groove relatively, and seating pad can be set on pedestal in relative rotation around fixing axle, the child restrainnt system further includes the regulating mechanism for adjusting seating pad tilt angle, using the opposite front rod and back link being slidably connected in the regulating mechanism, length by adjusting front rod and back link is come so that the tilt angle of seating pad changes, so that seating pad has the work of multiple adjustable transformation Gear and children can be provided with different tilt angles with sitting or the support that lies down, structure is simple, and it is also very convenient to adjust operation.

Description

A kind of child restrainnt system

Technical field

The utility model relates to a kind of child restrainnt system more particularly to a kind of child restraint systems of sitting and lying angle adjustable System.

Background technique

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, the seat for being mounted in automobile, children riding safety capable of being effectively improved.In automobile In the case where colliding or slowing down suddenly, slow down the body movement to the impact force and limiting child of children to reduce to them Injury, it is ensured that child by bus safety.

To guarantee that children's is safe by bus, usually when installing child safety seat on car seat with to children riding Constraint, such as provides the young infant infant carrier used, and for automobile seat for child that age slightly larger children use. In the prior art, child safety seat includes the pedestal being mounted on car seat, for providing the seat of infant's sitting, when After seat is mounted on the base, what the angle of seat was not adjustable often, infant's sitting its sitting or dependence in seat chair Angle often can not also adjust, sitting posture or lying posture can not be adjusted as required.

Summary of the invention

It is conveniently adjusted to provide a kind of sitting and lying angle for the shortcomings that the purpose of this utility model is to overcome the prior arts Child restrainnt system.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of child restrainnt system, including pedestal and Seat mechanism on the pedestal, the seat mechanism include the seating pad and backboard of rotation connection, the seating pad Connect to forming body support's plate with the backboard, the seat mechanism further include be supported on the seating pad and the pedestal it Between supporting element, the one end of the supporting element is pivotally connected on the base and after its other end and the seating pad Portion is pivotally connected, and the pedestal is equipped with fixing axle, and the fixing axle can be set fixedly or rotatably around self-axis line In on the pedestal, the seating pad is equipped with the guide groove extended along the longitudinal direction, and the fixing axle can relatively slidably It is plugged in the guide groove, and the seating pad can be set in relative rotation on the pedestal around the fixing axle,

The child restrainnt system further includes the regulating mechanism for adjusting the seating pad tilt angle, the adjusting machine Structure includes the front rod and back link that respectively extends along the longitudinal direction and opposite can be slidably connected each other, and being used for will be described The front rod locked component being locked under multiple operating positions opposite with back link, the front of the front rod pass through the fixation Axis is pivotally connected on the base, and the rear portion of the back link is pivotally connected in the rear portion of the seating pad by lower rotary shaft, When the front rod is locked in different operating positions from back link by the locked component, the seating pad is different Operation range.

Preferably, the locked component includes the lock pin set on the back link front, offers edge on the front rod Length direction extend and be slidably inserted into for the lock pin sliding slot, along the sliding slot extending direction be positioned apart from it is more A locked groove, the locked groove and the sliding slot are interconnected, when the lock pin is inserted into the different locked grooves, the seating pad It is locked in the different operation ranges.

Further, it is opened up on the back link and is provided with the guide groove that the lock pin slides up and down guiding, the locking group Part further includes being set on the back link for driving the lock pin to slide up and down to enter the locked groove or from the locked groove The actuator of disengaging.

Further, the actuator includes the fixinig plate being rotatably arranged on the back link, and the lock pin is solid Surely it is rotatably set to one end of the fixinig plate or around self-axis line, is additionally provided between the fixinig plate and the back link The elastic component for moving the lock pin towards the locked groove for driving the fixinig plate to rotate.

Further, when the relatively described pedestal of the seating pad travels forward, the lock pin slides simultaneously certainly along the sliding slot Dynamic ground locked groove described in the latter switches to the previous locked groove.

Further, all locked grooves are respectively positioned on the downside of the sliding slot, and the notch of the locked groove is arranged upward, The leading flank of the locked groove in from back to front gradually updip extend guiding surface, when the relatively described pedestal of the seating pad forward When movement, the lock pin is detached from the current locked groove with respect to sliding along the guiding surface.

Further, the locked component further includes that the lock pin is enabled to be detached from from the locked groove of forefront Afterwards and the holder that is held in place under the disengaged condition outside the locked groove, when the lock pin is maintained at the disengaged condition, The lock pin can be located in the sliding slot slidingly back and forth.

Further, the holder can along the front rod length direction relatively slidably be set to it is described before connect On bar, offered on the holder be connected with the consistent limiting slot of the sliding slot extending direction, with the limiting slot and with The mating groove that the extending direction of the locked groove is parallel to each other, when locked component locking, the lock pin is plugged in institute simultaneously It states in locked groove and the mating groove；When the lock pin is maintained at the disengaged condition, the limiting slot and the lock pin cooperate And it limits the relatively described back link of the lock pin and moves up and down.

As preferred embodiment, the holder is damping piece made of plastic material, the front of the back link It is slidably plugged in the rod cavity of the front rod, holder interference fit ground is set in the rod cavity of the front rod.

Further, the seating pad also has original speed position, described when the seating pad is in the original speed position Lock pin is resisted against on the rear side cell wall of the sliding slot.

Preferably, on the base, the lower part of the backboard can either phase for the upper pivot connection of the backboard It can be slidably connected relatively at the rear portion of the seating pad along length direction again to rotation.

Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art The child restrainnt system of type, wherein by the way that regulating mechanism is arranged between seating pad and pedestal, using opposite in the regulating mechanism The front rod and back link being slidably connected, the length by adjusting front rod and back link is come so that the tilt angle of seating pad is sent out Changing, so that seating pad has the operation range of multiple adjustable transformation, so that seat mechanism can be inclined with different Rake angle provides children with sitting or the support that lies down, and structure is simple, and it is also very convenient to adjust operation.

Detailed description of the invention

Attached drawing 1 is the schematic diagram of internal structure of the child restrainnt system of the utility model, wherein seating pad is in initial shelves Position；

Attached drawing 2 is the schematic diagram of internal structure of the child restrainnt system of the utility model, wherein seating pad is in work shelves Position one；

Attached drawing 3 is the schematic diagram of internal structure of the child restrainnt system of the utility model, wherein seating pad is in work shelves Position two；

Attached drawing 4 is the perspective view of regulating mechanism in the child restrainnt system of the utility model；

Attached drawing 5 is the structural decomposition diagram of the regulating mechanism of attached drawing 4；

Attached drawing 6 is the schematic diagram of internal structure of the regulating mechanism of attached drawing 4；

Attached drawing 7 is that the regulating mechanism of attached drawing 4 is used to adjust the operation principle schematic diagram of seating pad tilt angle；

Wherein: 100, pedestal；200, seat mechanism；300, regulating mechanism；

101, first axle；102, the second axis；103, third axis；104, fixing axle；105, lower rotary shaft；

1, seating pad；11, guide groove；2, backboard；3, supporting element；31, arc groove；

4, front rod；41, sliding slot；42, locked groove；42a, guiding surface；5, back link；51, guide groove；6, lock pin；7, fixed Piece；8, elastic component (torsional spring)；9, holder；91, limiting slot；92, mating groove.

Specific embodiment

The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.

Seat mechanism referring to Fig. 1 to child restrainnt system shown in Fig. 3, including pedestal 100 and on pedestal 100 200, seat mechanism 200 includes the seating pad 1 that extends along the longitudinal direction and the backboard 2 vertically extended, seating pad 1 with Backboard 2 connects to forming body support's plate and lean on or lie down for children's sitting.Specifically, the top of backboard 2 passes through first Axis 101 is pivotally connected on pedestal 100, and the lower part of backboard 2 can either relatively rotate and can be opposite along length direction It is slidably connected at the rear portion of seating pad 1.

Seat mechanism 200 further includes the supporting element 3 being supported between seating pad 1 and pedestal 100, one end of the supporting element 3 It is pivotally connected on pedestal 100 by the second axis 102, the other end of supporting element 3 passes through the rear portion of lower rotary shaft 105 and seating pad 1 It is pivotally connected.Arc groove 31 is also provided on supporting element 3, which sits using the axial line of lower rotary shaft 105 as rotation center Third axis 103 is fixedly provided on backing plate 1, third axis 103 is slidably threaded through in arc groove 31, to provide seating pad 1 and support Guiding when relatively rotating between part 3, provides seating pad 3 with stable support.

Pedestal 100 is equipped with fixing axle 104, which can set fixedly or rotatably around self-axis line In on pedestal 100, the bottom of seating pad 1 is equipped with the guide groove 11 extended along the longitudinal direction, and fixing axle 104 can relatively slidably It is plugged in guide groove 11, and seating pad 1 can be set on pedestal 100 in relative rotation around fixing axle 104.

In this way, fixing axle 104 is relatively sliding in guide groove 11 when there is external force that seating pad 1 is driven to move along the longitudinal direction It is dynamic, and seating pad 1 rotates under the connection function of supporting element 3 and pedestal 100 and around fixing axle 104, so that the front and back of seating pad 1 Position and tilt angle change；The movement of seating pad 1 drives backboard 2 relative to the rotation of seating pad 1 and Relative sliding, makes It obtains seating pad 1 and provides children with different postures from backboard 2 to support, so that seat mechanism 200 provides the different seat of children The vertical or angle that lies down.

Referring to shown in each attached drawing, which further includes the regulating mechanism for adjusting 1 tilt angle of seating pad 300.Join shown in fig. 4 to fig. 6, which includes respectively extending along the longitudinal direction and opposite capable of being slidably connected each other Front rod 4 and back link 5, and for by the opposite locking group being locked under multiple operating positions of front rod 4 and back link 5 The front of part, front rod 4 is pivotally connected on pedestal 100 by fixing axle 104, and the rear portion of back link 5 passes through 105 pivot of lower rotary shaft Axis connection is at the rear portion of seating pad 1, when front rod 4 is locked in different operating positions from back link 5 by locked component, preceding company Bar 4 and the total length of back link 5 are different, and correspondingly, seating pad 1 is in different operation ranges.

In the present embodiment, it is the tubing with hollow rod cavity that front rod 4, which uses, and it is rectangular that front rod 4, which uses, herein Pipe, the front of back link 5 are slidably plugged in the rod cavity of front rod 4, and locked component is also disposed in the rod cavity of front rod 4.

Referring to fig. 4 to shown in Fig. 6, locked component includes the lock pin 6 set on 5 front of back link, offers edge on front rod 4 Length direction extends and for the sliding slot 41 that lock pin 6 is slidably inserted into, and 41 extending direction is positioned apart from along the chute Multiple locked grooves 42, all locked grooves 42 are interconnected with sliding slot 41, when lock pin 6 is inserted into different locked grooves 42, seating pad 1 It is locked in different operation ranges.

It is opened up on back link 5 and is provided with the guide groove 51 that lock pin 6 slides up and down guiding, which extends perpendicularly to The direction of front rod 4 and the opposite sliding of back link 5, i.e. perpendicularly to the extending direction of sliding slot 41.Back link 5 and 4 phase of front rod When to sliding, 41 sliding along the chute of lock pin 6, when lock pin 6 is slid into sliding slot 41 at the position corresponding to locked groove 42, lock pin 6 slide along guide groove 51 and enter in locked groove 42 from sliding slot 41.

The locked component further includes being set on back link 5 for driving lock pin 6 to slide up and down in entrance locked groove 42 or certainly The actuator being detached from locked groove 42.Referring to shown in Fig. 5, Fig. 6, which includes the fixation being rotatably arranged on back link 5 Piece 7, lock pin 6 fixedly or around self-axis line are rotatably set to one end of fixinig plate 7, between fixinig plate 7 and back link 5 also Equipped with the elastic component 8 for moving lock pin 6 towards locked groove 42 for driving fixinig plate 7 to rotate.

In the present embodiment, all locked grooves 42 are respectively positioned on the downside of sliding slot 41, and the notch of locked groove 42 is arranged upward, such as Fig. 6 Shown, it is torsional spring 8 that elastic component 8, which uses, is used to drive and is provided with the end of lock pin 6 downwardly locked groove 42 on fixinig plate 7 Rotation, so that lock pin 6 is inserted into the locking in locked groove 42 and realizing locked component.

Referring to shown in each attached drawing, the leading flank of each locked groove 42 is in the guiding surface gradually extended from back to front to updip 42a, when seating pad 1 travels forward with respect to pedestal 100, lock pin 6 can be detached from along guiding surface 42a with respect to sliding currently Locked groove 42.In this way, lock pin 6 just 41 slides and automatically by rear along the chute when seating pad 1 travels forward with respect to pedestal 100 One locked groove 42 switches to previous locked groove 42, so that seating pad 1 automatically switches to previous work from latter operation range Make gear.

Shown in Figure 4, seating pad 1 also has original speed position, and when seating pad 1 is in original speed position, lock pin 6 is resisted against On the rear side cell wall of sliding slot 41.When seating pad 1 is in the original speed position, the downward work that itself is subject to by seat mechanism 200 Fix the length between front rod 4 and back link 5.When seating pad 1 travels forward, lock pin 6 just along the chute 41 Forward slip and fall into one of locked groove 42 so that the conversion of seating pad 1 is to one of operation range.In the present embodiment, There are two locked groove 42 is set, correspondingly, also there are two the operation ranges of adjustable transformation for tool in addition to original speed position for seating pad 1.

Referring to shown in Fig. 5, Fig. 6, locked component further includes after enabling to lock pin 6 to be detached from from the locked groove 42 of forefront, And it is held in place the holder 9 under the disengaged condition outside locked groove 42, and when lock pin 6 is maintained under above-mentioned disengaged condition, 6 energy of lock pin Enough to be set in sliding slot 41 slidingly back and forth, this 41 is slided backward along the chute after lock pin 6 is exited from the locked groove 42 of forefront It is dynamic, so that seating pad 1 can return back under original speed position.

Specifically, holder 9 can be slidably set on front rod 4 relatively along the length extending direction of front rod 4, be kept Limiting slot 91 and mating groove 92 are offered on part 9, limiting slot 91 is consistent with the length extending direction of sliding slot 41, mating groove 92 with Limiting slot 91 is connected and is parallel to each other with the extending direction of locked groove 42.When locked component locking, lock pin 6 is plugged in lock simultaneously In slot 42 and mating groove 92；When lock pin 6 is maintained at disengaged condition, limiting slot 91 and lock pin 6 are with after merging and limiting lock pin 6 relatively Connecting rod 5 moves up and down, to avoid lock pin 6 is swung under the active force of torsional spring 8 towards locked groove 42 and is fallen into locked groove 42.This implementation In example, it is damping piece made of plastic material that holder 9, which uses, and the holder 9 interference fit ground is set to the rod cavity of front rod 4 In.

The working principle of the child restrainnt system of detailed description below the present embodiment:

Referring to shown in Fig. 1, Fig. 7 (a), seating pad 1 is in original speed position, and lock pin 1 backs against the rear side slot of sliding slot 41 On wall, at this point, the length and maximum of front rod 4 and back link 5, the angle between seating pad 1 and horizontal plane are also maximum.

When being pulled along seating pad 1, back link 5 is driven before to connect relatively referring to shown in Fig. 7 (b), seating pad 1 travels forward 4 forward slip of bar, band pendulum lock pin 6 are slided in sliding slot 41, while before sliding in limiting slot 91 and being resisted against limiting slot 91 On side channel wall, to drive holder 9 together with respect to 4 forward slip of front rod；When lock pin 6 slides into and first locked groove 42 When top, under the active force of torsional spring 8, fixinig plate 7 rotates and lock pin 6 is made to move towards locked groove 42 and be plugged in locked groove simultaneously 42 with mating groove 92 in, such as Fig. 2 and 7(c) shown in, at this point, seating pad 1 is in operation range one.

Continue to be pulled along seating pad 1, then lock pin 6 moves along the guiding surface 42a of locked groove 42 and is detached from locked groove 42 in fact Now unlock, as shown in Fig. 7 (d), lock pin 6 continues forward slip along sliding slot 41, until when falling into the top of second locked groove 42, Under the active force of torsional spring 8, lock pin 6 falls into second locked groove 42 and locked component is relocked.Such as Fig. 3 and 7 (e) shown in, at this point, seating pad 1 is in operation range two.

When needing seating pad 1 returning back to original speed position by the adjustment of operation range two, then continue to be pulled along seating pad 1, lock pin 6 skids off along the guiding surface 42a of locked groove 42 and enters in sliding slot 41, while being located in the limiting slot 91 of holder 9, such as Shown in Fig. 7 (f).Move it backward with respect to pedestal 100 at this point, being pressed downward seating pad 1, due between holder 9 and front rod 4 Damping action, the first not opposite sliding of front rod 4 of holder 9；Move and be resisted against the rear side slot of limiting slot 91 backward to lock pin 6 When wall, as shown in Fig. 7 (g), lock pin 6 is kept in uncoupled condition, continue at this time push seating pad 1 and make seating pad 1 to After when moving, lock pin 6 will drive holder 9, and opposite front rod 4 slides backward together, until being resisted against the rear side cell wall of sliding slot 41 On, seating pad 1 returns back under the original speed position as shown in Fig. 1, Fig. 7 (a).

To sum up, in the child restrainnt system of the present embodiment, seating pad 1 also has adjustable cut in addition to original speed position Two operation ranges changed.When adjusting the gear of seating pad 1, operator only needs to be pulled along seating pad 1, so that front rod 4 change from the length of back link 5 and are locked under different operating positions, easily can switch to work from original speed position Make gear one or operation range two；When switching to original speed position by operation range two, also only need under being pulled along after seating pad 1 Pressure seating pad 1 can be realized, operate very convenient.The sitting and dependence angle for making seat mechanism 200 in this way are adjusted Section, but also the space inside child restrainnt system is adjusted, can provide the supporter of different angle state for children It tests.

Above with respect in the direction definition of front and back, be when being rested on according to children on seat mechanism 200 it is observed Front-rear direction is carried out with reference to definition.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (10)

1. a kind of child restrainnt system, the seat mechanism including pedestal and on the pedestal, the seat mechanism include turning The seating pad and backboard of dynamic connection, the seating pad connect to forming body support's plate with the backboard, it is characterised in that: institute Stating seat mechanism further includes the supporting element being supported between the seating pad and the pedestal, the one end pivot of the supporting element Connection is on the base and its other end is connect with the back pivot of the seating pad, and the pedestal is equipped with fixing axle, The fixing axle can be set to fixedly or rotatably on the pedestal around self-axis line, and the seating pad is equipped with along preceding The guide groove that rear direction extends, the fixing axle can be slidably plugged in the guide groove relatively, and the seating pad energy It is enough to be set on the pedestal in relative rotation around the fixing axle,

The child restrainnt system further includes the regulating mechanism for adjusting the seating pad tilt angle, the regulating mechanism packet Include the front rod and back link that respectively extends along the longitudinal direction and opposite can be slidably connected each other, and for connecting before will be described The front of the bar locked component being locked under multiple operating positions opposite with back link, the front rod passes through the fixing axle pivot On the base, the rear portion of the back link is pivotally connected in the rear portion of the seating pad by lower rotary shaft to axis connection, works as institute When stating locked component the front rod being locked in different operating positions from back link, the seating pad is in different work Gear.

2. child restrainnt system according to claim 1, it is characterised in that: the locked component include be set to it is described after connect The lock pin of bar front, offer on the front rod sliding slot for extending along its length and being slidably inserted into for the lock pin, The multiple locked grooves being positioned apart from along the extending direction of the sliding slot, the locked groove and the sliding slot are interconnected, when the lock When pin is inserted into the different locked grooves, the seating pad is locked in the different operation ranges.

3. child restrainnt system according to claim 2, it is characterised in that: opened up on the back link and be provided with the lock Pin slides up and down the guide groove of guiding, and the locked component further includes being set on the back link to glide on the lock pin for driving The dynamic actuator to enter the locked groove or be detached from from the locked groove.

4. child restrainnt system according to claim 3, it is characterised in that: the actuator includes being rotatably arranged at institute The fixinig plate on back link is stated, the lock pin fixedly or around self-axis line is rotatably set to one end of the fixinig plate, institute It states and is additionally provided between fixinig plate and the back link for driving the fixinig plate to rotate and makes the lock pin towards the locked groove The elastic component of movement.

5. child restrainnt system according to claim 2, it is characterised in that: the relatively described pedestal of the seating pad is transported forward When dynamic, the lock pin is slided along the sliding slot and automatically the locked groove described in the latter switches to the previous locked groove.

6. child restrainnt system according to claim 5, it is characterised in that: all locked grooves are respectively positioned on the sliding slot Downside, the notch of the locked groove is arranged upward, and the leading flank of the locked groove is oblique in the guiding that gradually updip extends from back to front Face, when the relatively described pedestal of the seating pad travels forward, the lock pin is detached from along the guiding surface with respect to sliding The current locked groove.

7. child restrainnt system according to claim 5, it is characterised in that: the locked component further includes enabling to institute The holder after lock pin is detached from from the locked groove of forefront and being held in place under the disengaged condition outside the locked groove is stated, When the lock pin is maintained at the disengaged condition, the lock pin can be located in the sliding slot slidingly back and forth.

8. child restrainnt system according to claim 7, it is characterised in that: the holder can be along the front rod Length direction is slidably set on the front rod relatively, is offered on the holder consistent with the sliding slot extending direction Limiting slot, the mating groove for being connected with the limiting slot and being parallel to each other with the extending direction of the locked groove, when the locking group When part locks, the lock pin is plugged in simultaneously in the locked groove and the mating groove；When the lock pin is maintained at the disengagement shape When state, the limiting slot and the lock pin limit the opposite back link of the lock pin and move up and down with merging.

9. child restrainnt system according to claim 8, it is characterised in that: the holder is resistance made of plastic material Damping member, the front of the back link are slidably plugged in the rod cavity of the front rod, are set to the holder interference fit In the rod cavity of the front rod.

10. according to the described in any item child restrainnt systems of claim 2 to 9, it is characterised in that: the seating pad also has just Beginning gear, when the seating pad is in the original speed position, the lock pin is resisted against on the rear side cell wall of the sliding slot.