CN107839555A - Child safety seat support base - Google Patents
Child safety seat support base Download PDFInfo
- Publication number
- CN107839555A CN107839555A CN201610838668.2A CN201610838668A CN107839555A CN 107839555 A CN107839555 A CN 107839555A CN 201610838668 A CN201610838668 A CN 201610838668A CN 107839555 A CN107839555 A CN 107839555A
- Authority
- CN
- China
- Prior art keywords
- support base
- stretching structure
- structure part
- safety seat
- child safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
- B60N2/2824—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part part of the base being supported by the vehicle frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of child safety seat support base, including support base (2) and supporting leg (1), the support base (2) is used to install child safety seat, the supporting leg (1) is connected to the front end of the support base (2), for forming supporting role between floor in the car and the support base (2), it is characterized in that, the supporting leg (1) includes stretching structure and one-way lock mechanism (6, 7), the one-way lock mechanism (6, 7) it is arranged in the stretching structure and is capable of between the part of relative telescoping movement, can not reversely it be retracted for making the stretching structure simple elongation.The stretching structure of the present invention is elongated to after suitable position just being capable of reverse auto lock, it ensure that vehicle collides or supporting leg can form good supporting role to child safety seat during emergency brake, avoid child safety seat from overturning forward and cause to take the personal injury of children.
Description
Technical field
The present invention relates to child safety seat field, more particularly to a kind of child safety seat support base.
Background technology
Child safety seat is a kind of by the way that child restraint is effectively improved into children riding safety in safety seat
Seat.In the case of car crass or suddenly deceleration, the seat can reduce the body of the stamping press and limiting child to children
Body is moved so as to mitigate the injury to them.In current existing child safety seat, based on European pressure standard
The child safety seat of ISOFIX interfaces is widely used.
In view of difference in height between seat plane and floor in a vehicle be present, the only connection with ISOFIX interfaces is difficult to hold
By the situation for coming from car crass or slowing down suddenly, therefore existing many child safety seats are more stable in order to support,
The front end that the support base of seat is installed in children is provided with supporting leg, to form secure support with floor in a vehicle, and then improves
The security protection effect of children's seat.
On the other hand, it is contemplated that child safety seat occupies larger space in itself, as a rule, when need not use
During child safety seat, user generally requires dismounting and folded, it is necessary to row installation again when using.Therefore, this is further required
Support base can shrink or fold.User generally requires many more manipulations when installing existing children's seat support base, including
Support base is put into seat plane, ISOFIX interfaces is reconnected, then operates the flexible button on supporting leg again, make support
Leg reaches appropriate length, then unclamps flexible button again and carrys out locking support leg.Whole installation process is comparatively laborious, and needs
User has certain use experience.For lack experience or more careless user for, supporting leg may adjust
It is not in place, it is impossible to push against ground well, or flexible button fails correctly to lock so that supporting leg is in scalable shape
State, this has resulted in certain potential safety hazard.
The content of the invention
The purpose of the present invention is to propose to a kind of child safety seat support base, installation can be simplified, eliminate user as far as possible
Potential safety hazard during installation.
To achieve the above object, the invention provides a kind of child safety seat support base, including support base and support
Leg, the support base be used for child safety seat is installed, the supporting leg is connected to the front end of the support base, for
Supporting role is formed between floor in a vehicle and the support base, wherein, the supporting leg includes stretching structure and unidirectional locking
Mechanism, the one-way lock mechanism, which is arranged in the stretching structure, is capable of between the part of relative telescoping movement, for making
State stretching structure simple elongation and can not reversely retract.
Further, unidirectional locking status releasing switch, the unidirectional locking state solution are additionally provided with the supporting leg
It is connected except switching with the one-way lock mechanism, unidirectional locking of the one-way lock mechanism to the telescoping mechanism can be released
State.
Further, the one-way lock mechanism is unidirectional ratchet lockable mechanism, including：Ratchet bar and pawl component, institute
State unidirectional locking status releasing switch to be connected with the pawl component, the unidirectional locking status releasing switch is in normally off
When, the pawl component can be made against on the ratchet bar, unidirectional locking status releasing switch by external force triggering and
During unlatching, the unidirectional locking status releasing switch can drive the pawl component to leave against the position of the ratchet bar,
Release unidirectional locking state of the one-way lock mechanism to the telescoping mechanism.
Further, the stretching structure includes upper stretching structure part and lower stretching structure part, the upper stretching structure part
It is rotatably connected on the bottom surface of the support base, one of described ratchet bar and pawl component are arranged on the upper stretching structure
It is another to be arranged on the lower stretching structure part on part.
Further, the upper stretching structure part is hollow pipe fitting, and the lower stretching structure part is set in the hollow tube
In part, and it can be slided relative to the rectilinear direction of the upper stretching structure part, the ratchet bar is disposed longitudinally on described hollow
The inner side of pipe fitting, the pawl component are arranged on the lower stretching structure part, and can be relative to the lower stretching structure part
Rotate.
Further, the lower end of the lower stretching structure part is additionally provided with footing, and the unidirectional locking status releasing switch is set
Put on the footing, the unidirectional locking status releasing switch is connected by connector with the pawl component.
Further, the one-way lock mechanism also includes the first flexible member, and first flexible member can make institute
Unidirectional locking status releasing switch keeping is stated in normally off, and switchs in the unidirectional locking status releasing and is triggered by external force
Afterwards, the unidirectional locking status releasing switch can be made to revert to normally closed shape when discharging the unidirectional locking status releasing switch
State.
Further, the lower stretching structure part is the symmetrical pipe fitting of I-shaped cross section, the two of the symmetrical pipe fitting
Side is provided with I-shaped connected in star, and the ratchet bar is symmetrical to be arranged on the inside of the hollow pipe fitting and the I-shaped connected in star pair
The position answered, the pawl component are rotatably arranged in the I-shaped connected in star by rotating shaft.
Further, expansion locking mechanism, the stretching structure are provided between the support base and the supporting leg
Including upper stretching structure part and lower stretching structure part, the upper stretching structure part is rotatably connected on the bottom surface of the support base
On, under the lock-out state of the expansion locking mechanism, the expansion locking mechanism can lock the lower stretching structure part, with
The lower stretching structure part is seted to be slided with the upper stretching structure part from relative, in the released state of the expansion locking mechanism
Under, the expansion locking mechanism can release the locking action to the lower stretching structure part, so that the lower stretching structure part
Under gravity automatically relative to the upper stretching structure part slide downward, until support forced position.
Further, ISOFIX connectors are additionally provided with the support base, the ISOFIX connectors are stretched with described
The connection of operability is formed between contracting locking mechanism, to be correctly linked into vehicle mounting interface in the ISOFIX connectors
When, drive the expansion locking mechanism to switch to released state from standing lock-out state.
Further, it is additionally provided with the support base for being connected with child safety seat, and supports the children
The connection supporting member of safety seat, the company of operability is formed between the connection supporting member and the expansion locking mechanism
Connect, to be properly attached in the child safety seat in the support base, and against it is described connection supporting member when, drive
Move the expansion locking mechanism and switch to released state from standing lock-out state.
Further, the expansion locking mechanism includes rotating switch and the second flexible member, the rotating switch and institute
The rotation connection of stretching structure part is stated, second flexible member is connected with the rotating switch, and the rotating switch is described
The lower maintenance normality of elastic force effect of second flexible member is lock-out state, and second bullet is overcome in the presence of by external force
Property element elastic force effect and depart from lock-out state.
Further, U-shaped push rod and a pair of drive rods are additionally provided with the support base, the both sides of the U-shaped push rod push away
Multiple necks are provided with bar segment, the bottom push rod section of the U-shaped push rod is in the side of the expansion locking mechanism, the drive
It is slidably connected between one end of lever and the ISOFIX connectors, the other end is provided with bulge-structure, can be with the U-shaped push rod
Both sides push rod section any neck clamping, when the ISOFIX connectors are correctly linked into vehicle mounting interface, by pushing away
The U-shaped push rod top can be made to the expansion locking mechanism by moving the support base, with promote the expansion locking mechanism from
Standing lock-out state switches to released state.
Further, be additionally provided with ISOFIX extensible members in the support base, the ISOFIX extensible members with it is described
ISOFIX connectors are fixedly connected, and can be stretched out or be retracted relative to the support base, on the ISOFIX extensible members
Multiple necks are provided with, when the ISOFIX connectors are not linked into vehicle mounting interface, the other end of the drive rod
Bulge-structure can be with any neck clamping of the ISOFIX extensible members, and when the ISOFIX connectors are correctly linked into car
During mounting interface, stretched by promoting the support base that the bulge-structure of the drive rod can be made to depart from the ISOFIX
Part, and with the neck clamping of the both sides push rod section of the U-shaped push rod, so as to drive the U-shaped push rod to the flexible locking machine
Structure moves.
Further, the bulge-structure is unidirectional bulge-structure, in the another of the support base and the drive rod
The 3rd flexible member is additionally provided between end, when the support base is not by thrust, the unidirectional bulge-structure can be described
The neck of the lower both sides push rod section for departing from the U-shaped push rod of elastic force effect of 3rd flexible member.
Further, the one-way lock mechanism is unidirectional voussoir lockable mechanism, including：Serrate slot and wedge, it is described
Wedge has double wedge corresponding with the serrate slot and lozenges, and drawstring, the unidirectional locking are connected with the wedge
Status releasing switch is connected with the drawstring, and when unidirectional locking status releasing switch is not triggered, the wedge exists
Along lozenges slide downward under Action of Gravity Field so that the double wedge of the wedge is embedded in the serrate slot；In the unidirectional locking
When status releasing switch is triggered by external force, the unidirectional locking status releasing switch drives the wedge by the drawstring
Along lozenges upward sliding so that the double wedge of the wedge departs from the serrate slot, releases the one-way lock mechanism to institute
State the unidirectional locking state of telescoping mechanism.
Further, the stretching structure includes upper stretching structure part and lower stretching structure part, the upper stretching structure part
It is rotatably connected on the bottom surface of the support base, the upper end of the lower stretching structure part is provided with and the wedge on the wedge
The wedge-like engagement face that shape face coordinates, the serrate slot are disposed longitudinally on the inner side of the upper stretching structure part, and the wedge is set
Between the wedge-like engagement face of the serrate slot and the lower stretching structure part.
Further, in addition to guide pipe, the guide pipe are fixed on the lower stretching structure part, and the drawstring passes through
The guide pipe is drawn out to the outside of the telescoping mechanism, is additionally provided with stretching structure part on described and coordinates with the guide pipe
Guide and limit groove, the lower stretching structure part phase can be realized by slip of the guide pipe in the guide and limit groove
Motion guide and extreme position for upper stretching structure part limit.
Further, the one-way lock mechanism includes symmetrical along the length direction center line of the lower stretching structure part
Two wedges, the drawstring that two wedges are each drawn are drawn from the both ends of the guide pipe respectively, or
Drawn after drawstring connection described in person from the either end of the guide pipe.
Based on above-mentioned technical proposal, the supporting leg in the present invention makes stretching structure simple elongation by one-way lock mechanism
And can not reversely retract, thus facilitate user and stretching structure need to only be stretched out toward floor in a vehicle direction when being installed
Or floor in a vehicle is elongated to automatically using the weight of supporting leg itself, the stretching structure of supporting leg is voluntarily adjusted without using person
Extension elongation, and just being capable of reverse auto lock after stretching structure is elongated to suitable position, it is ensured that vehicle touches
Hit or supporting leg can form good supporting role to child safety seat during emergency brake, avoid child safety seat to
It is preceding upset and cause take children personal injury.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the mounting structure schematic diagram of an embodiment of child safety seat support base of the present invention.
Fig. 2 is the exploded perspective view of child safety seat support base embodiment of the present invention.
Fig. 3 is the diagrammatic cross-section of the supporting leg in child safety seat support base embodiment of the present invention.
Fig. 4, Fig. 5 be respectively in child safety seat support base embodiment of the present invention expansion locking mechanism be in locking conciliate
The schematic diagram of lock position.
Fig. 6 is the structural representation of lower stretching structure part in child safety seat support base embodiment of the present invention.
Fig. 7 is the structural representation of drive rod in child safety seat support base embodiment of the present invention.
Fig. 8, Fig. 9 are respectively the inside and side of the supporting leg in another embodiment of child safety seat support base of the present invention
Face schematic diagram.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
As shown in figure 1, the mounting structure schematic diagram of the embodiment for child safety seat support base of the present invention.In this reality
Apply in example, child safety seat support base (after also abbreviation support base) includes support base 2 and supporting leg 1.Support base 2 is used for
Child safety seat is installed, supporting leg 1 is connected to the front end of support base 2, for floor in the car and the support base 2 it
Between form supporting role.
In order to be more convenient to illustrate the structure inside support base 2, therefore its upper strata is not shown in the support base 2 shown in Fig. 1
For supporting child safety seat, and the part being connected with child safety seat.Supporting leg cross-section structure with reference to shown in figure 3,
Supporting leg 1 includes stretching structure and one-way lock mechanism 6.Stretching structure is that supporting leg 1 realizes the body junction elongated or shortened
Structure, pass through the Telescopic of stretching structure, it is possible to achieve child safety seat support base folding and installing.One-way lock mechanism
6 are arranged in stretching structure and are capable of between the part of relative telescoping movement, can not for making the stretching structure simple elongation
Reversely retract.
Simple elongation mentioned here refers to when child safety seat support base is installed on the seat in vehicle and is carried out
After connection, the supporting leg 1 in retracted mode can be towards the direction elongation on floor in vehicle, until holding out against in-car ground originally
Plate.This simple elongation enables to the installation operation of user more convenient, and user is without voluntarily adjustment support by rule of thumb
The length of leg, and when mounted need to only stretch out stretching structure toward floor in a vehicle direction one direction, or utilize supporting leg
The weight of itself is elongated to floor in a vehicle automatically.And can not reversely retract, refer to that limitation supporting leg 1 can not be to its prolonging direction
Opposite direction, i.e., from ground point to child safety seat support base direction retract.By this restriction effect to supporting leg,
The supporting leg of child safety seat support base can be enable easily to be installed and ground supports.And collided in vehicle
When accident or emergency brake, the supporting leg for being restricted from retracting then is able to ensure that it forms good support to support base and made again
With, reduce to take children personal injury.
As shown in Fig. 2 the unidirectional locking of stretching structure can be by the unidirectional locking state that is further set on supporting leg 1
Cancel switch 5 releases.In figure 3, unidirectional locking status releasing switch 5 is connected with one-way lock mechanism 6, can be released described
One-way lock mechanism 6 is acted on the unidirectional locking of the telescoping mechanism.Unidirectional locking status releasing switch 5 can be button-shape state
Or handle form etc., user just can easily realize the stretching structure of supporting leg 1 by the operation to the switch
Fold, so as to further realize dismounting of the support base on seat.
Fig. 3 shows a kind of structure example of one-way lock mechanism, and the one-way lock mechanism 6 is locked for normally closed unidirectional ratchet
Locking mechanism, the mechanism include ratchet bar 6.2 and pawl component 6.1, and unidirectional locking status releasing switch 5 connects with pawl component 6.1
Connect.Unidirectional locking status releasing switch 5 is when being in normally off, can make pawl component 6.1 against on the ratchet bar 6.2,
So that pawl component 6.1 can effectively stop motion of the ratchet bar 6.2 on the retracted orientation of stretching structure, and now ratchet
Stretching direction of the component 6.1 to stretching structure does not hinder.And triggered by external force in unidirectional locking status releasing switch 5 (such as
When user presses unidirectional locking status releasing switch with finger or palm and opened 5), unidirectional locking status releasing switch 5 can
Drive pawl component 6.1 to leave against the position of ratchet bar 6.2, release one-way lock mechanism 6 to the unidirectional of the telescoping mechanism
Locking acts on, now ratchet bar 6.2 stretching structure extend and retract direction can free movement so that flexible knot
Structure can freely stretch.
In Fig. 3, stretching structure may particularly include stretching structure part 1.1 and lower stretching structure part 1.2.Upper stretching structure part
1.1 are rotatably connected on the bottom surface of support base 2, and ratchet bar 6.2 is arranged on stretching structure part 1.1, pawl component 6.1
It is arranged on lower stretching structure part 1.2.In another embodiment, ratchet bar 6.2 can also be arranged on lower stretching structure part 1.2
On, accordingly, pawl component 6.1 is arranged on stretching structure part 1.1.Thus pass through ratchet bar 6.2 and pawl component 6.1
Between unidirectional locking act on realize lower stretching structure part 1.2 relative to upper stretching structure part 1.1 unidirectional stretching and reversely
Retraction locking.
In form, upper stretching structure part 1.1 can use the form of hollow pipe fitting, and lower stretching structure part 1.2 is set in
In hollow pipe fitting, and lower stretching structure part 1.2 can slide relative to the rectilinear direction of upper stretching structure part 1.1.Ratchet bar
6.2 can be disposed longitudinally on the inner side of hollow pipe fitting, and the pawl component 6.1 is arranged on the lower stretching structure part 1.2, and
It can be rotated relative to the lower stretching structure part 1.2.When pawl component 6.1 is rotated in diverse location, pawl component 6.1 or
Person is unrestricted to ratchet bar 6.2, or is formed and the locking of ratchet bar 6.2 is acted on.Lower stretching structure part with reference to shown in Fig. 6
Example, lower stretching structure part 1.2 are preferably the symmetrical pipe fitting of I-shaped cross section, are provided with the both sides of symmetrical pipe fitting I-shaped recessed
Groove 1.7, ratchet bar 6.2 is symmetrical to be arranged on the inside of hollow pipe fitting and 1.7 corresponding position of I-shaped connected in star, and ratchet structure
Part 6.1 is rotatably arranged in I-shaped connected in star 1.7 by rotating shaft.This I-shaped connected in star is controlling overall transverse width
Accommodation space is provided to one-way lock mechanism 6 so that overall compacter, the hollow structure form of use of supporting leg simultaneously
The overall weight of supporting leg can be reduced, saves material.
In order that lower stretching structure part 1.2 can form good support with floor in a vehicle, preferably in lower stretching structure part
1.2 lower end sets footing 1.3, and unidirectional locking status releasing can be set to switch 5 on footing 1.3, and user can pass through
The unidirectional locking status releasing switch 5 pressed on footing 1.3 performs the operation of unidirectional locking states thereof, so as to realize supporting leg 1
Fold.With reference to figure 3, unidirectional locking status releasing switch 5 is connected by connector 1.4 with pawl component 6.1, connector 1.4
Form can be rigid posts or steel wire rope, when unidirectional locking status releasing switch 5 is made with a kind of pushbutton type of projection
When user's force is pressed, unidirectional locking status releasing switch 5 can move downward with follower link 1.4, and this downward fortune
The dynamic pawl component 6.1 that can be delivered to upside, driving pawl component 6.1 move to the position for not limiting ratchet bar 6.2.In Fig. 3
The motion of connector 1.4 can drive pawl component 6.1 to rotate, and to cause the ratchet of pawl component 6.1 to upwarp, leave ratchet bar
6.2 between cog.
For the connector 1.4 of hard rod type, it can pass through elongated slot and the fit system of sliding bar with ratchet member 6.1
It is attached, in case the amplitude of fluctuation of connector 1.4 is excessive and interferes the motion of miscellaneous part.Above-mentioned one-way lock mechanism can wrap
Include it is multiple, such as two, and symmetrical relative to the length direction center line of lower stretching structure part or upper stretching structure part so that
Telescoping mechanism obtains more balanced movement effects, avoids abrasion and limitation of movement caused by unilateral eccentric wear.
In Fig. 3, the first flexible member 1.5 can also be further set, as one-way lock mechanism 6 in footing 1.3
A part, the first flexible member 1.5 can make unidirectional locking status releasing switch 5 maintain normally off, and described unidirectional
After lockup state cancel switch 5 is triggered by external force, it can make when discharging unidirectional locking status releasing switch 5 described unidirectional
Lockup state cancel switch 5 reverts to normally off.
One-way lock mechanism can also use other existing one-way locks in addition to above-mentioned unidirectional ratchet lockable mechanism
Locking mechanism, mechanism of unidirectional locking etc. is carried out for example with unidirectional friction plate.Fig. 8-Fig. 9 also show another feasible unidirectional
Lockable mechanism 7, the one-way lock mechanism 7 are unidirectional voussoir lockable mechanism, including：Serrate slot 7.1 and wedge 7.2, the wedge
Shape block 7.2 has double wedge 7.3 corresponding with the serrate slot 7.1 and lozenges, and drawstring 7.4 is connected with the wedge 7.2
With drawstring 7.5, the unidirectional locking status releasing switch 5 is connected with drawstring 7.4 and drawstring 7.5.Unidirectional locking status releasing is opened
It can be other button or handle or the fag end of drawstring 7.4 and drawstring 7.5 to close 5.
When unidirectional locking status releasing switch 5 is not triggered, the wedge 7.2 is under gravity along wedge shape
Towards lower slider so that the double wedge 7.3 of the wedge 7.2 is embedded in the serrate slot 7.1.In the unidirectional locking status releasing
When switch 5 is triggered by external force, the unidirectional locking status releasing switch 5 drives the wedge shape by the drawstring 7.4,7.5
Block 7.2 is along lozenges upward sliding so that the double wedge 7.3 of the wedge 7.2 departs from the serrate slot 7.1, releases the list
Unidirectional locking state to lockable mechanism 7 to the telescoping mechanism.
In this embodiment, stretching structure can specifically include stretching structure part 1.1 and lower stretching structure part 1.2, institute
State stretching structure part 1.1 to be rotatably connected on the bottom surface of the support base 2, the upper end of the lower stretching structure part 1.2
Provided with the wedge-like engagement face coordinated with the lozenges on the wedge 7.2, the serrate slot 7.1, which is disposed longitudinally on described, to be stretched
The inner side of sheepshank component 1.1, the wedge 7.2 are matched somebody with somebody located at the wedge shape of the serrate slot 7.1 and the lower stretching structure part 1.2
Between conjunction face.Shown in Figure 8, upper stretching structure part 1.1 be may be configured as with hollow cavity, and lower stretching structure part 1.2 is located at
In hollow cavity, and it can be moved relative to upper stretching structure part 1.1 on the length direction of upper stretching structure part 1.1.Under stretch
The upper end of sheepshank component 1.2 can be set in echelon, to form wedge-like engagement face.
It is more stable relative to the motion of upper stretching structure part 1.1 in view of lower stretching structure part 1.2,18, according to right will
Seek the child safety seat support base described in 17, it is characterised in that be also fixed on institute including guide pipe 7.6, the guide pipe 7.6
To state on lower stretching structure part 1.2, the drawstring 7.4,7.5 is drawn out to the outside of the telescoping mechanism through the guide pipe 7.6,
The guide and limit groove 7.7 coordinated with the guide pipe 7.6 is additionally provided with stretching structure part 1.1 on described, passes through the guiding
Slip of the pipe 7.6 in the guide and limit groove 7.7 can realize the lower stretching structure part 1.2 relative to upper stretching structure part
1.1 motion guide and extreme position limits.
In order that the motion of stretching structure part is more stable up and down, one-way lock mechanism 7 can be included along the lower flexible knot
Symmetrical two wedges 7.2 of length direction center line of component 1.2.Held in order to facilitate two wedges 7.2 of operation
Row unblock operation, the drawstring 7.4,7.5 that two wedges 7.2 are each drawn can be respectively from the guide pipe 7.6
Both ends draw, so as to user by simultaneously pull drawstring 7.4 and drawstring 7.5 to realize the unblock of unidirectional locking state.
In another embodiment, first drawstring 7.4 and drawstring 7.5 can also be connected, then be drawn from the either end of guide pipe 7.6, this
Sample user, which only needs to pull in side, can complete to unlock.
In addition to foregoing one-way lock mechanism, the present invention gives the phase of flexible locking in another embodiment
Function and structure is closed, i.e., expansion locking mechanism 3 is set between support base 2 and the supporting leg 1, stretching structure includes above stretching
Sheepshank component 1.1 and lower stretching structure part 1.2, the upper stretching structure part 1.1 are rotatably connected on the bottom of the support base 2
On face.Under the lock-out state of expansion locking mechanism 3, expansion locking mechanism 3 can lock the lower stretching structure part 1.2, with
The lower stretching structure part 1.2 is seted to be slided with the upper stretching structure part 1.1 from relative.In the expansion locking mechanism 3
Under released state, the expansion locking mechanism 3 can release the locking action to the lower stretching structure part 1.2, so that described
Lower stretching structure part 1.2 is under gravity automatically relative to the upper slide downward of stretching structure part 1.1, until support stress
Position.Lower stretching structure part 1.2 can also stretch out under the force of user acts on relative to upper stretching structure part 1.1.
This expansion locking mechanism facilitates the operation of user when mounted, when support base is not yet installed, by stretching
The lock-out state of contracting locking mechanism is in the short length shunk to limit supporting leg, is now easy to store and move, and working as makes
When user starts to install support base, expansion locking mechanism need to only be set and arrive released state, then descend stretching structure part can to exist
Automatic slide downward reaches support forced position in the presence of gravity, and one-way lock mechanism already mentioned before realize function and
Principle, instantly stretching structure part under gravity automatic slide downward when will not be limited by one-way lock mechanism；And work as
After lower stretching structure part reaches support forced position, it can be limited by one-way lock mechanism and can not reversely retract, so as to obtain
The stable supporting role to the effective of floor in a vehicle.
ISOFIX connectors 4.1 are additionally provided with support base 2, in one embodiment, ISOFIX connectors 4.1 can be with
The connection of operability is formed between the expansion locking mechanism 3, to be correctly linked into the ISOFIX connectors 4.1
During vehicle mounting interface, the expansion locking mechanism 3 is driven to switch to released state from standing lock-out state.
One structure example of expansion locking mechanism 3 includes rotating switch referring to Fig. 4 and Fig. 5, the expansion locking mechanism 3
3.1 and second flexible member 3.2, the rotating switch 3.1 be rotatablely connected with the upper stretching structure part 1.1, second bullet
Property element 3.2 be connected with the rotating switch 3.1, the rotating switch 3.1 second flexible member 3.2 elastic force act on
Lower maintenance normality be lock-out state, and overcome in the presence of by external force the elastic force effect of second flexible member 3.2 and
Depart from lock-out state., can be in upper stretching structure part 1.1 in order to facilitate the installation of the flexible member 3.2 of rotating switch 3.1 and second
Pole 3.3 is fixedly installed, the rotating switch 3.1 is spindle rotationally arranged on pole 3.3, and the second elastic switch 3.1 is optional
Torsion spring is selected, and is arranged between pole 3.3 and rotating switch 3.1.A kind of structure type of rotating switch 3.1 was as shown in figure 4, should
Rotating switch is L-type, includes the folding arm of two basic Relative verticals, and its first folding arm is used for and lower stretching structure part 1.2
Hole 1.6 carry out grafting cooperation, to limit the whereabouts of lower stretching structure part 1.2, second folding arm raises up, can be at other
First folding arm is driven to leave hole 1.6 under the promotion of component, so as to release the limitation to lower stretching structure part 1.2.In the present invention
In, rotating switch 3.1 is not limited to L-type structure or can realize lower stretching structure part 1.2 relative to upper by rotating
The other structures of the flexible locking and unblock of stretching structure part 1.1.
In order to which connection can be established between the releasing process of expansion locking mechanism in the access of ISOFIX connectors 4.1 action
System, with reference to figure 1 and Fig. 2, U-shaped push rod 4.5 and a pair of drive rods 4.2, the U-shaped are further set preferably in support base 2
Multiple necks (including the obstructed shallow slot in bottom or through hole of bottom transmission) are provided with the both sides push rod section of push rod 4.5,
The bottom push rod section of the U-shaped push rod 4.5 is in the side of the expansion locking mechanism 3.
Fig. 7 shows that one kind of drive rod 4.2 realizes structure.One end 4.2.1 and the ISOFIX of the drive rod 4.2 connect
It is slidably connected between fitting 4.1, the other end is provided with bulge-structure, can be with any of the both sides push rod section of the U-shaped push rod 4.5
Neck clamping, when the ISOFIX connectors 4.1 are correctly linked into vehicle mounting interface, by promoting the support base 2
Can make the U-shaped push rod 4.5 push up to the expansion locking mechanism 3 (such as push up second folding arm to rotating switch 3.1, with
First folding arm is driven to depart from hole 1.6), to promote the expansion locking mechanism 3 to switch to unblock shape from standing lock-out state
State.
Further, ISOFIX extensible members 4.3, the ISOFIX extensible members 4.3 and institute can be set in support base 2
Stating ISOFIX connectors 4.1 can be fixedly connected by connectors such as pin or bolts, and can be stretched out relative to the support base 2
Or retract.Multiple necks (including the obstructed shallow slot in bottom or bottom transmission are also equipped with the ISOFIX extensible members 4.3
Through hole).
When the ISOFIX connectors 4.1 are not linked into vehicle mounting interface, the other end of the drive rod 4.2 it is convex
Playing structure can be with any neck clamping of the ISOFIX extensible members 4.3, and when the ISOFIX connectors 4.1 correctly access
During to vehicle mounting interface, by promoting the support base 2 to make described in the bulge-structure disengaging of the drive rod 4.2
ISOFIX extensible members 4.3, and with the neck clamping of the both sides push rod section of the U-shaped push rod 4.5, so as to drive the U-shaped push rod
4.5 move to the expansion locking mechanism 3.
Bulge-structure is unidirectional bulge-structure 4.2.2, the other end of the support base 2 and the drive rod 4.2 it
Between be additionally provided with the 3rd flexible member 4.6, when the support base 2 is not by thrust, the unidirectional bulge-structure 4.2.2 can be
The neck of the lower both sides push rod section for departing from the U-shaped push rod 4.5 of elastic force effect of 3rd flexible member 4.6.
In addition to realizing the scheme of expansion locking mechanism unblock by the access of ISOFIX connectors, the present invention also carries
Another implementation is supplied.It is additionally provided with the support base 2 for being connected with child safety seat, and described in support
The connection supporting member of child safety seat, connection supporting member can form operable between the expansion locking mechanism 3
Property connection, to be properly attached in the child safety seat in the support base 2, and against it is described connection support structure
During part, the expansion locking mechanism 3 is driven to switch to released state from standing lock-out state.
Based on the example of the child safety seat support base of the present invention shown in Fig. 2-Fig. 5, the installation to the example below, make
With the explanation that an entirety is carried out with dismounting.
Under the storage configuration or unused state of support base, lower stretching structure part 1.2 is relative to upper stretching structure part
1.1 are in retracted mode, and now the length of supporting leg 1 is most short, is easy to store.And the rotating switch 3.2 of expansion locking mechanism 3
It is plugged in the hole 1.6 on lower stretching structure part 1.2, avoids lower stretching structure part 1.2 because of reasons such as placed angle or vibrations
And stretched out from upper stretching structure part 1.1.
When user needs to install child safety seat or the first installation child safety seat of preparation property is needed to install
During seat, support base can be placed in seat plane by user, and pull back ISOFIX relative to support base 2
Connector 4.1, and ISOFIX connectors 4.1 and the ISOFIX interfaces on seat are attached.After connection, make
User promotes support base 2 backward, when one end 4.2.1 of drive rod 4.2 supports ISOFIX connectors 4.1, drive rod 4.2
On the other end can then compress the 3rd flexible member 4.6, and make unidirectional bulge-structure 4.2.2 positioned at the end from extensible member
Deviate from 4.3 neck, and stretched out from the front side of extensible member 4.3.The unidirectional bulge-structure 4.2.2 stretched out can be with U-shaped push rod
The neck clamping of 4.5 both sides push rod section, now the motion of support base 2 is promoted to may translate into U-shaped push rod 4.5 relative to branch
Support base 2 travels forward.And when U-shaped push rod 4.5 touches second folding arm of rotating switch 3.2, by second
The effect of folding arm applying power, so as to overcome the elastic force of the second flexible member 3.2, and first folding arm is driven to depart from hole 1.6.
Now, when being placed on due to the support base 2 of support base in seat plane, before supporting leg is then located at seat
In the space of side, therefore when rotating switch 3.2 has unlocked the limitation to lower stretching structure part 1.2, lower stretching structure part 1.2 is just
It can slide downwards under gravity, and now ratchet bar 6.2 will not be to ratchet in the direction that lower stretching structure part 1.2 stretches out
Component 6.1 is limited, therefore lower stretching structure part 1.2 can go directly floor in a vehicle.And after reaching floor in a vehicle, in ratchet bar
Under the unidirectional locking effect of 6.2 pairs of ratchet assemblies 6.1, lower stretching structure part 1.2 will not reversely retract.Now, support base by
Install, children's seat can be further installed.
When user wishes to unload support base, user need to only operate the list on the footing 1.3 of lower stretching structure part 1.2
To lockup state cancel switch 5, it is possible to the limitation of the reverse retraction of lower stretching structure part 1.2 is released, so as to easily carry out
The dismounting and storage of support base.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (19)
1. a kind of child safety seat support base, including support base (2) and supporting leg (1), the support base (2) is used to pacify
Child safety seat is filled, the supporting leg (1) is connected to the front end of the support base (2), for floor in the car and described
Support base forms supporting role between (2), it is characterised in that the supporting leg (1) includes stretching structure and unidirectional locking machine
Structure (6,7), the one-way lock mechanism (6,7), which is arranged in the stretching structure, to be capable of between the part of relative telescoping movement,
Can not reversely it be retracted for making the stretching structure simple elongation.
2. child safety seat support base according to claim 1, it is characterised in that also set on the supporting leg (1)
There is unidirectional locking status releasing to switch (5), the unidirectional locking status releasing switch (5) and the one-way lock mechanism (6,7)
Connection, can release unidirectional locking state of the one-way lock mechanism (6,7) to the telescoping mechanism.
3. child safety seat support base according to claim 2, it is characterised in that the one-way lock mechanism (6) is
Unidirectional ratchet lockable mechanism, including：Ratchet bar (6.2) and pawl component (6.1), the unidirectional locking status releasing switch (5)
It is connected with the pawl component (6.1), when the unidirectional locking status releasing switch (5) is in normally off, can makes described
Pawl component (6.1) triggered against on the ratchet bar (6.2), in unidirectional locking status releasing switch (5) by external force and
During unlatching, the unidirectional locking status releasing switch (5) can drive the pawl component (6.1) to leave against the ratchet bar
(6.2) position, unidirectional locking state of the one-way lock mechanism (6) to the telescoping mechanism is released.
4. child safety seat support base according to claim 3, it is characterised in that the stretching structure includes upper flexible
Structural member (1.1) and lower stretching structure part (1.2), the upper stretching structure part (1.1) are rotatably connected on the support base (2)
Bottom surface on, one of the ratchet bar (6.2) and pawl component (6.1) are arranged on the upper stretching structure part (1.1), separately
One is arranged on the lower stretching structure part (1.2).
5. child safety seat support base according to claim 4, it is characterised in that the upper stretching structure part (1.1)
For hollow pipe fitting, the lower stretching structure part (1.2) is set in the hollow pipe fitting, and can be relative to the upper flexible knot
The rectilinear direction of component (1.1) is slided, and the ratchet bar (6.2) is disposed longitudinally on the inner side of the hollow pipe fitting, the ratchet
Component (6.1) is arranged on the lower stretching structure part (1.2), and can be rotated relative to the lower stretching structure part (1.2).
6. child safety seat support base according to claim 5, it is characterised in that the lower stretching structure part (1.2)
Lower end be additionally provided with footing (1.3), the unidirectional locking status releasing switch (5) is arranged on the footing (1.3), the list
It is connected to lockup state cancel switch (5) by connector (1.4) with the pawl component (6.1).
7. child safety seat support base according to claim 3, it is characterised in that the one-way lock mechanism (6,7)
Also include the first flexible member (1.5), first flexible member (1.5) can switch the unidirectional locking status releasing
(5) normally off is maintained, and after unidirectional locking status releasing switch (5) is triggered by external force, can be described in release
The unidirectional locking status releasing switch (5) is set to revert to normally off during unidirectional locking status releasing switch (5).
8. child safety seat support base according to claim 5, it is characterised in that the lower stretching structure part (1.2)
For the symmetrical pipe fitting of I-shaped cross section, I-shaped connected in star (1.7), the ratchet bar are provided with the both sides of the symmetrical pipe fitting
(6.2) it is symmetrical to be arranged on position corresponding with the I-shaped connected in star (1.7), the ratchet on the inside of the hollow pipe fitting
Component (6.1) is rotatably arranged in the I-shaped connected in star (1.7) by rotating shaft.
9. child safety seat support base according to claim 1, it is characterised in that in the support base (2) and institute
State and expansion locking mechanism (3) is provided between supporting leg (1), the stretching structure includes upper stretching structure part (1.1) and lower stretched
Structural member (1.2), the upper stretching structure part (1.1) are rotatably connected on the bottom surface of the support base (2), stretched described
Under the lock-out state of contracting locking mechanism (3), the expansion locking mechanism (3) can lock the lower stretching structure part (1.2), with
The lower stretching structure part (1.2) relative can not be slided with the upper stretching structure part (1.1), in the expansion locking mechanism
(3) under released state, the expansion locking mechanism (3) can release the locking action to the lower stretching structure part (1.2),
So that the lower stretching structure part (1.2) is under gravity automatically relative to upper stretching structure part (1.1) slide downward,
Until support forced position.
10. child safety seat support base according to claim 9, it is characterised in that in the support base (2) also
Being formed provided with ISOFIX connectors (4.1), between the ISOFIX connectors (4.1) and the expansion locking mechanism (3) to grasp
The connection for the property made, when the ISOFIX connectors (4.1) are correctly linked into vehicle mounting interface, to drive the flexible lock
Determine mechanism (3) and switch to released state from standing lock-out state.
11. child safety seat support base according to claim 9, it is characterised in that in the support base (2) also
Provided with for being connected with child safety seat, and the connection supporting member of the child safety seat is supported, the connection support
The connection of operability is formed between component and the expansion locking mechanism (3), correctly to pacify in the child safety seat
In the support base (2), and during against the connection supporting member, the expansion locking mechanism (3) is driven from standing
Lock-out state switch to released state.
12. child safety seat support base according to claim 9, it is characterised in that expansion locking mechanism (3) bag
Rotating switch (3.1) and the second flexible member (3.2) are included, the rotating switch (3.1) turns with the upper stretching structure part (1.1)
Dynamic connection, second flexible member (3.2) are connected with the rotating switch (3.1), and the rotating switch (3.1) is described the
The elastic force effect of two flexible members (3.2) is lower, and to maintain normality be lock-out state, and overcomes in the presence of by external force described the
The elastic force of two flexible members (3.2) acts on and departs from lock-out state.
13. child safety seat support base according to claim 10, it is characterised in that on the support base (2) also
Provided with U-shaped push rod (4.5) and a pair of drive rods (4.2), it is provided with the both sides push rod section of the U-shaped push rod (4.5) multiple
Neck, the bottom push rod section of the U-shaped push rod (4.5) is in the side of the expansion locking mechanism (3), the drive rod (4.2)
One end and the ISOFIX connectors (4.1) between be slidably connected, the other end is provided with bulge-structure, can be pushed away with the U-shaped
Any neck clamping of the both sides push rod section of bar (4.5), correctly it is linked into vehicle installation in the ISOFIX connectors (4.1) and connects
During mouth, by promoting the support base (2) that the U-shaped push rod (4.5) can be made to push up to the expansion locking mechanism (3), with
The expansion locking mechanism (3) is promoted to switch to released state from standing lock-out state.
14. child safety seat support base according to claim 13, it is characterised in that on the support base (2) also
Provided with ISOFIX extensible members (4.3), the ISOFIX extensible members (4.3) are fixedly connected with the ISOFIX connectors (4.1), and
It can stretch out or retract relative to the support base (2), multiple necks are also equipped with the ISOFIX extensible members (4.3),
When the ISOFIX connectors (4.1) are not linked into vehicle mounting interface, the raised knot of the other end of the drive rod (4.2)
Structure can be with any neck clamping of the ISOFIX extensible members (4.3), and is accessed when the ISOFIX connectors (4.1) are correct
During to vehicle mounting interface, by promoting the support base (2) that the bulge-structure of the drive rod (4.2) can be made to depart from institute
State ISOFIX extensible members (4.3), and with the neck clamping of the both sides push rod section of the U-shaped push rod (4.5), so as to drive the U
Shape push rod (4.5) moves to the expansion locking mechanism (3).
15. child safety seat support base according to claim 14, it is characterised in that the bulge-structure is unidirectional convex
Structure (4.2.2) is played, the 3rd elasticity member is additionally provided between the other end of the support base (2) and the drive rod (4.2)
Part (4.6), when the support base (2) is not by thrust, the unidirectional bulge-structure (4.2.2) can be in the described 3rd elasticity
The neck of the lower both sides push rod section for departing from the U-shaped push rod (4.5) of elastic force effect of element (4.6).
16. child safety seat support base according to claim 3, it is characterised in that the one-way lock mechanism (7) is
Unidirectional voussoir lockable mechanism, including：Serrate slot (7.1) and wedge (7.2), the wedge (7.2) have and the tooth form
Double wedge (7.3) and lozenges corresponding to groove (7.1), drawstring (7.4,7.5) is connected with the wedge (7.2), it is described unidirectional
Lockup state cancel switch (5) and the drawstring (7.4,7.5) connect, unidirectional locking status releasing switch (5) not by
During triggering, the wedge (7.2) is under gravity along lozenges slide downward so that the double wedge of the wedge (7.2)
(7.3) the embedded serrate slot (7.1)；When unidirectional locking status releasing switch (5) is triggered by external force, the one-way lock
Only status releasing switch (5) drives the wedge (7.2) along lozenges upward sliding by the drawstring (7.4,7.5),
So that the double wedge (7.3) of the wedge (7.2) departs from the serrate slot (7.1), the one-way lock mechanism (7) is released to institute
State the unidirectional locking state of telescoping mechanism.
17. child safety seat support base according to claim 16, it is characterised in that the stretching structure includes above stretching
Sheepshank component (1.1) and lower stretching structure part (1.2), the upper stretching structure part (1.1) are rotatably connected on the support base
(2) on bottom surface, the upper end of the lower stretching structure part (1.2) is provided with to be coordinated with the lozenges on the wedge (7.2)
Wedge-like engagement face, the serrate slot (7.1) is disposed longitudinally on the inner side of the upper stretching structure part (1.1), the wedge
(7.2) it is located between the serrate slot (7.1) and the wedge-like engagement face of the lower stretching structure part (1.2).
18. child safety seat support base according to claim 17, it is characterised in that also including guide pipe (7.6), institute
State guide pipe (7.6) to be fixed on the lower stretching structure part (1.2), the drawstring (7.4,7.5) passes through the guide pipe
(7.6) outside of the telescoping mechanism is drawn out to, is additionally provided with and the guide pipe on stretching structure part (1.1) on described
(7.6) the guide and limit groove (7.7) coordinated, passes through slip energy of the guide pipe (7.6) in the guide and limit groove (7.7)
Enough realize that the lower stretching structure part (1.2) limits relative to the motion guide and extreme position of upper stretching structure part (1.1).
19. child safety seat support base according to claim 18, it is characterised in that the one-way lock mechanism (7)
Including symmetrical two of the length direction center line wedge (7.2) along the lower stretching structure part (1.2), described in two
The drawstring (7.4,7.5) that wedge (7.2) is each drawn is drawn from the both ends of the guide pipe (7.6) respectively, Huo Zhesuo
Drawn after stating drawstring (7.4,7.5) connection from the either end of the guide pipe (7.6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838668.2A CN107839555B (en) | 2016-09-21 | 2016-09-21 | Child safety seat support |
| PCT/CN2017/101476 WO2018054249A1 (en) | 2016-09-21 | 2017-09-13 | Support mount for child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838668.2A CN107839555B (en) | 2016-09-21 | 2016-09-21 | Child safety seat support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107839555A true CN107839555A (en) | 2018-03-27 |
| CN107839555B CN107839555B (en) | 2023-10-13 |
Family
ID=61657074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610838668.2A Active CN107839555B (en) | 2016-09-21 | 2016-09-21 | Child safety seat support |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107839555B (en) |
| WO (1) | WO2018054249A1 (en) |
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| CN109505240A (en) * | 2018-12-06 | 2019-03-22 | 江苏中源工程管理股份有限公司 | A kind of guardrail mounting structure between abutment and road |
| WO2023005535A1 (en) * | 2021-07-30 | 2023-02-02 | 宁波宝贝第一母婴用品有限公司 | Supporting leg telescopic structure and child safety seat |
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| CN110562103A (en) * | 2018-06-05 | 2019-12-13 | 珠海阳光儿童用品有限公司 | Children's safety seat ISOFIX connecting device and children's safety seat |
| CN109318763B (en) * | 2018-11-27 | 2023-10-03 | 广州美术学院 | Child safety seat and front-back adjusting mechanism thereof |
| CN109515277A (en) * | 2018-12-26 | 2019-03-26 | 王甫 | A kind of multifunctional vehicle seat auxiliary device |
| US11964623B2 (en) | 2019-11-04 | 2024-04-23 | Babyark Ltd | Methods and systems for generating training and executing a model for detecting safety seat events |
| EP4054890A4 (en) * | 2019-11-04 | 2024-06-12 | BabyArk LTD | Car seat base with installation guidance and locking anti-rebounding mechanism |
| USD944549S1 (en) | 2019-11-10 | 2022-03-01 | Mobius Protection Systems Ltd. | Car seat |
| USD928542S1 (en) | 2019-11-19 | 2021-08-24 | Mobius Protection Systems Ltd | Base for car seat |
| CN113978324A (en) * | 2020-07-08 | 2022-01-28 | 明门瑞士股份有限公司 | Child safety seat and base thereof |
| CN112562478B (en) * | 2020-12-24 | 2022-05-03 | 安徽商贸职业技术学院 | Simulation sand table assembly for enterprise planning management |
| CN113662380B (en) * | 2021-06-18 | 2024-06-07 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
| CN113863969B (en) * | 2021-10-11 | 2022-09-06 | 煤炭科学研究总院有限公司 | Support column with self-locking structure |
| CN118003995A (en) * | 2022-11-09 | 2024-05-10 | 明门(中国)幼童用品有限公司 | Buffer structure for supporting leg unfolding and folding, base assembly and child safety seat |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018054249A1 (en) | 2018-03-29 |
| CN107839555B (en) | 2023-10-13 |
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