CN110435508A - A kind of automobile children safety chair - Google Patents
A kind of automobile children safety chair Download PDFInfo
- Publication number
- CN110435508A CN110435508A CN201910754399.5A CN201910754399A CN110435508A CN 110435508 A CN110435508 A CN 110435508A CN 201910754399 A CN201910754399 A CN 201910754399A CN 110435508 A CN110435508 A CN 110435508A
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- CN
- China
- Prior art keywords
- pedestal
- shadoof
- arc
- support plate
- headrest
- 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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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 12
- 230000006378 damage Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 238000010008 shearing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 206010016035 Face presentation Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008773 effect on children Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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
-
- 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
- B60N2/90—Details or parts not otherwise provided for
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a kind of automobile children safety chairs, it includes a kind of backward support plate mechanism of angle adjustable, including the pedestal for installing safety seat, the rear portion of pedestal be provided with after to support plate, backward support plate is connect by rotational coupling mechanism with base rotation, mounting plate is provided on pedestal, positioning tooth is provided on mounting plate, backward support plate is equipped with movable rack and the handle for driving the movable rack mobile, movable rack passes through the positioning tooth engagement of rack gear spring and pedestal, so that backward support plate is fixed with pedestal.The present invention thus can be very good to be adapted to different types of automobile rear seat due to the adjustable angle of backward support plate, improve safety and the comfort of child safety seat.
Description
Technical field
The invention belongs to child safety seat technical fields, and in particular to a kind of automobile children safety chair.
Background technique
Child safety seat becomes increasingly popular on automobile, and child safety seat includes seat and pedestal, and seat setting exists
On pedestal, and pedestal is then fixedly mounted on back row seat of automobile.To keep the connection of seat and pedestal more firm, before pedestal is provided with
Supporting leg and backward support plate.
The backward support plate of the pedestal of child safety seat and pedestal are integrated on the market, and backward support plate angle can not
It adjusts.When pedestal is fixedly mounted on automobile rear seat, since the back seat of the automobile of different manufacturers manufacture leans on angle
Difference causes pedestal that can not be adapted to all types of automobile rear seats, the backward branch of some automobile rear seats and pedestal
There are biggish gap between fagging so that child safety seat generation sways forwards and backwards, largely effect on child safety concerns,
Comfort and experience sense.
Wherein, front support leg is the anti-tilting device of child safety seat, on the market the branch of the pedestal of child safety seat
Support leg is generally to fold the state accepted in idle or packed and transported, needs to open when using installation, makes the support of pedestal
Leg is in a vertical state.When supporting leg rotary folding or opening, pedestal and the supporting leg rotation of many safety seats connect
The gap at the place of connecing can change with the rotation of supporting leg, if user is not note that when finger is placed exactly in the interstitial site
It can be gripped to, unexpected shear is caused to injure.
In addition, needing suitably to adjust the height of headrest of child safety seat, with true with the growth and development of children
Protect its safety in utilization.The child height and shoulder level of all ages and classes difference, thus 5 points on child safety seat
The children that formula restraint system power adapts to different heights use, while adjusting height of headrest, it is also desirable to adjust shoulder belt
Highly.Many child safety seats need the height of manual setting shoulder belt on the market, complicated for operation and need professional skill, also have
Child safety seat strap portions are lain on headrest, the height of shoulder belt links with height of headrest and adjusts, such as the patent No.
201710304184.4 a kind of disclosed child safety seat.Existing child safety seat is required to pass through when adjusting headrest
One operating member realizes that locking and the unlocking function of headrest and the chair back, this usual operating member are used as in above-mentioned patent
Child safety seat handle component, the upper end some of this handle component is ring-type, and some is directly easy for the hand held
Handle, the position of the handle component are placed exactly in the rear portion of headrest, the upper end of handle component is prominent be easy to cause accident collision and
Damage, the upper end tab of the handle component point can cause serious injury to children head in fortuitous event what is more.
Summary of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of automobile children safety chairs.
First comprising a kind of backward support plate mechanism of angle adjustable, due to the adjustable angle of backward support plate, thus
It can be very good to be adapted to different types of automobile rear seat, improve safety and the comfort of child safety seat.
Second, it further comprise a kind of support leg mechanism of finger when preventing from folding, in supporting leg and pedestal
Hand-clamping preventing mechanism is provided at rotation connection, the running clearance when supporting leg is with respect to base rotation, between supporting leg and pedestal
Remain constant, to avoid the formation of the shearing force of clamp hand, user not will cause when carrying or installing safety seat
The shearing of clamp hand injures.
Third, further includes a kind of headrest controlling mechanism of band rotation pull ring, and handle is connected by rotation connection structure
Pull ring rotates so that pull ring can be folded relative to handle, avoids handle upper end tab partial volume from easily damaging because of accident collision, and more
Add safe and reliable.
In order at least realize above-mentioned first purpose, the technical scheme adopted by the invention is that:
A kind of automobile children safety chair includes a kind of backward support plate mechanism of angle adjustable comprising for installing peace
The pedestal of full seat, the rear portion of pedestal be provided with after to support plate, backward support plate passes through rotational coupling mechanism and base rotation
It connects, is provided with mounting plate on pedestal, positioning tooth is provided on mounting plate, backward support plate is equipped with movable rack and is used for
The handle for driving the movable rack mobile, movable rack pass through the positioning tooth engagement of rack gear spring and pedestal, so that backward support
Plate is fixed with pedestal.
Further, the rotational coupling mechanism includes the rotation hole being arranged on a mounting board and is arranged rear to support
Rotation axis on plate and across the rotation hole.Be rotatably assorted realization and the pedestal turn that backward support plate passes through rotation axis and rotation hole
The function of dynamic connection, the rotational coupling mechanism can also use other equivalent Conventional rotary connection structures.
Further, one end of the rack gear spring and rotation axis connection, the other end are connect with movable rack.Movable rack
By rack gear spring positioning tooth direction bias from elastic force to mounting plate so that movable rack and install version positioning tooth nibble
It closes, to achieve a fixed connection to mounting plate with respect to base rotation after limitation.
Further, the positioning tooth is arranged by being arc-shaped property of the center of circle of rotation axis, and the movable rack is along the circular arc
The radial alignment of shape positioning tooth is mobile.When it is rear to support plate relative to base rotation when, rotated with the center of circle of rotation axis, because then
The concentric arc-shaped positioning tooth realization in center of circle that turns to any angle and can rotate with it to support plate is accurately engaged.
Further, the movable rack is provided with the arc locking teeth to match with the radian of arc-shaped positioning tooth.It is living
The multistage positioning tooth engagement being arranged on multistage locking teeth and mounting plate is set on carry-over bar, to branch after can be further improved
The firmness of the connection of fagging and pedestal.
Preferably, the mounting plate is the iron plate for being fixed at pedestal side.Corresponding, movable rack can also select
It is made, is connected firmly and not easy to wear of iron block.
Preferably, the positioning column for limiting movable rack motion track is provided in the backward support plate.Movable teeth
Item is provided with the kidney-shaped mounting hole being hung on positioning column for activity, and positioning column is used for installation activity rack gear, while positioning column
It is oriented to for cooperating with the kidney-shaped mounting hole of movable rack with the movement to movable rack.Specifically, positioning column is set as
Two, corresponding kidney-shaped mounting hole is also two, and movable rack moves linearly after being limited in in support plate.
After adopting the above technical scheme, the invention has the advantages that compared with the prior art:
In the prior art, backward support plate and pedestal are fixed on one, and the angle of backward support plate is non-adjustable, causes pedestal cannot
Agree with all types of automobile rear seats and match, there are security risks, and influence the ride experience of the comfort of child.This hair
The bright rotation connection structure being arranged to rear to support plate with pedestal adjustable angle, while to support plate after being controlled by handle
It is sealed between pedestal to be fixedly connected, in use, handle is pulled upwardly using backward support plate as impetus, so that movable rack
The pulling force of rack gear spring is overcome to move up, so that the positioning tooth of movable rack and mounting plate is disengaged from, and then opposite
To support plate to after angle compatible with automobile rear seat after base rotation, handle is unclamped, movable rack is in rack gear spring
Resilient force under downward reset movement, make the positioning tooth engagement of movable rack and mounting plate, so that backward support plate is being worked as
It is fixedly connected under preceding angle with pedestal.The present invention is due to the adjustable angle of backward support plate, thus it is different to can be very good adaptation
The automobile rear seat of type improves safety and the comfort of child safety seat.
Above-mentioned second purpose, skill of the present invention are further realized on the basis of the first purpose in order to state in realization
Art scheme is:
A kind of automobile children safety chair further comprises one kind on the basis of preceding solution and prevents when preventing from folding
The support leg mechanism of clamp hand, including the pedestal for installing safety seat and the supporting leg being set on the base, supporting leg passes through
Rotary shaft is rotationally connected with the front end of pedestal, and hand-clamping preventing mechanism, the anti-pinch are provided at the rotation connection of supporting leg and pedestal
Mobile phone structure include the accommodating shell of pan frontward end is set and be arranged on supporting leg using the rotary shaft as the circle in the center of circle
Block arc, the accommodating shell have an opening and the accommodating cavity with the open communication, and described arc-shaped block one end is begun
It is extend into accommodating cavity from the opening eventually, the other end is always positioned at outside accommodating cavity.
Further, the accommodating shell position adjacent with the arc surface of arc-shaped block is provided with towards the accommodating
The bending part of chamber bending.The bending part can be integrally formed with accommodating shell, be also possible to an individual component and snapped fit onto appearance
It sets on shell, which has smooth outer surface, will accommodate the section with burr of shell towards in accommodating cavity, keeps away
Exempt from it and cause unexpected injury, use is safer.Preferably, the gap between the bending part and the arc surface of arc-shaped block
For 2-3mm, there are enough manufacturing tolerance surpluses in the gap of 2-3mm, and the interstice coverage is for opposite children's finger
It will not integrally protrude into, it is ensured that using safe.
Further, the accommodating shell is located at the side wall in accommodating cavity equipped with positioning protrusion, the arc-shaped block
It protrudes into one end in accommodating cavity and is equipped with the locating slot cooperated with the positioning protrusion.When opening supporting leg, supporting leg it is arc-shaped
Block is extend into the accommodating cavity of accommodating shell with the rotation of supporting leg, until the locating slot of arc-shaped block snaps onto accommodating
On positioning column on outer casing inner wall, the opposite accommodating shell of supporting leg is fixed at this time, is prevented supporting leg reversion in normal use, is increased
Add the safety of safety seat and operates just rationality；When needing folding supporting legs, slightly firmly bending supporting leg, accommodating are outer
Positioning column on shell inner wall is detached from the locating slot of arc-shaped block under the action of accommodating shell natural resiliency deformation power, to release
The locking of supporting leg can be freely rotated in accommodating shell.Preferably, when arc-shaped block turns to its locating slot and determines
When the position that position protrusion matches, arc-shaped block is located at one end outside accommodating cavity and flushes with accommodating shell, specifically, arc-shaped
The outer end face of block is flushed with the bending part of accommodating shell, has more attractive visual effect in this way after installing pedestal.
Further, the rotary shaft is set on the base, and supporting leg is provided with the axis hole passed through for rotary shaft.Certainly,
Rotational coupling mechanism between supporting leg and pedestal can also be other equivalent Conventional mechanisms.
Further, the accommodating shell and pedestal are integrally formed, certainly, for convenient for manufacture, accommodating shell is also possible to
One is arranged separately in the component of pan frontward end.The arc-shaped block is detachably connected with supporting leg, in child safety seat
When packed and transported, supporting leg can easily be disassembled, certainly, arc-shaped block can also be integrally formed with supporting leg.
After adopting the above technical scheme, the invention has the advantages that compared with the prior art:
In the prior art, gap existing for the rotation connection place of supporting leg and pedestal can become with the rotation of supporting leg
Change, when the variation of this gap is descending, then be easy to cause human body shear extrusion, is especially carrying and installing youngster
During virgin safety seat, according to the use habit of people, it will usually by hands grasping in the rear and front end of pedestal, and the bottom of at
The front end of seat is precisely the rotatable connecting portion of supporting leg, thus is easy to cause hand unexpected shearing injury above-mentioned.This hair
It is bright to be provided with hand-clamping preventing mechanism at the rotation connection of supporting leg and pedestal, when supporting leg is with respect to base rotation, supporting leg with
Running clearance between pedestal remains constant, to avoid the formation of the shearing force of clamp hand, user is carrying or installing
The shearing injury of clamp hand is not will cause when safety seat.
Above-mentioned third purpose, skill of the present invention are further realized on the basis of the first purpose in order to state in realization
Art scheme is:
A kind of automobile children safety chair further comprises a kind of band rotation pull ring on the basis of preceding solution
Headrest controlling mechanism, including the chair back and headrest, headrest are adjustably arranged on the chair back by the way that locking mechanism is movable, rear portion of resting the head on
Equipped with the shadoof locked or unlocked for controlling the locking mechanism, shadoof top is connected lower than headrest top, shadoof by rotation
Binding structure is connected with pull ring, rotates so that pull ring can be folded relative to shadoof.
As a preferred option, headrest rear portion is provided with the sliding slot for accommodating shadoof, and two side positions on shadoof top are set
There is mounting hole, pull ring is U-shaped pull ring, and two linking arms of the U-shaped pull ring are respectively equipped with to fall with what two mounting holes were fastened
Button.Back-off is similar to rotational pin and protrudes into mounting hole, so that pull ring is rotated using the center being buckled to as rotary shaft.Further, institute
Back-off is stated as elasticity back-off jaggy is arranged, the notch in back-off can make its compressive deformation, so that back-off be made to be inserted directly into
In mounting hole, and the button foot on being buckled to can prevent pull ring from detaching from the mounting hole of shadoof.In the rotation connection structure, draw
The rotary shaft of ring is in horizontally disposed, and certainly as equivalent mode, in the rotation connection structure, the rotary shaft of pull ring can be with
It is arranged perpendicular to the mode of the chair back, realizes that pull ring is folded with respect to shadoof by rotating or rotating as long as reaching, and then make shadoof
Upper end does not have apparent protruding parts.
Wherein, the locking mechanism includes the lock slots being arranged on the chair back and the locating shaft with shadoof linkage；When mentioning
When mentioning on bar, shadoof drives locating shaft to remove lock slots, so that the locking mechanism unlocks；When shadoof moves down, shadoof is driven
Locating shaft slides into lock slots, so that the locking mechanism locks.The locking mechanism using shadoof move up and down realization headrest with
Unlock or lock function between the chair back, by the moving direction of shadoof be arranged to headrest lift adjustment direction it is consistent, more just
It is operated in adjusting.
Further, shadoof is provided with the skewed slot for driving locating shaft linkage, the locating shaft in lock slots and
The lock slots are removed or slid under the common position-limiting action of skewed slot.Specifically, the lower part of shadoof is arranged in skewed slot, and skewed slot is in incline
The strip hole slot being tiltedly arranged, when shadoof is moved up and down relative to headrest, locating shaft slides into skewed slot from one end another
End.When mentioning on shadoof, locating shaft removes lock slots, and the locking mechanism is in the unlocked state, i.e., headrest can be with respect to the chair back at this time
Carry out lift adjustment；When shadoof moves down, locating shaft is slid into the lock slots of present level, and the locking mechanism is in locking shape
State, the opposite chair back of resting the head at this time are fixedly connected.The locking structure relative to traditional pin shaft and location hole cooperation locking structure and
Speech, unlock and locking process are more smoothly, and headrest adjusts no clamping stagnation sense, and in the locked state, the company of headrest and the chair back
It connects more firm.
Further, it is provided with elastic component on headrest, which can be tension spring or other bias pieces, which makes
Shadoof keeps down the elastic force of bias, and the locking mechanism is made to be maintained at the position locking of Current lock slot.In addition, the bullet
Property part also has the function of making shadoof that down motional feedback unclamps shadoof to original position after upper shadoof automatically, can make
The locking mechanism locks automatically, and realization headrest is fixedly connected with the chair back.
The shoulder belt hole passed through for shoulder belt is provided on the headrest.When shoulder belt passes through shoulder belt hole and is bundled on headrest,
Linkage adjusting can be carried out to shoulder belt while adjusting headrest, operated more simple and convenient.
After adopting the above technical scheme, the invention has the advantages that compared with the prior art:
In the prior art, it is protruded from outside headrest for controlling the shadoof upper end of locking mechanism unlock or locking, so that shadoof is easy
Lead to accident collision and damage, the upper end tab of the shadoof component point can cause children head in fortuitous event what is more
Grievous injury, so that child safety seat use is not safe and reliable enough.The present invention is improved for shadoof part, and shadoof is set
Set at headrest rear portion, and shadoof top is lower than headrest top, preferably shadoof can integrally be hidden be set to it is occiput posterior
Inside is connected with pull ring by rotation connection structure on the top of shadoof, rotates so that pull ring can be folded relative to shadoof, works as needs
When adjusting height of headrest, rotation pull ring can operate shadoof, and after headrest is adjusted in place, pull ring is turned to opposite mention
The state that bar folds, avoids shadoof upper end tab partial volume from easily damaging because of accident collision, and more safe and reliable, in addition, drawing
After ring is folded with respect to shadoof, whole visual effect of resting the head on is more neat and artistic, and is conducive to save the space of packaging storage.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is in-built structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of pull-up handle of the present invention.
Fig. 3 is the structural schematic diagram after rotating after pull-up handle of the present invention to support plate.
Fig. 4 is the structural schematic diagram that the present invention unclamps handle.
Fig. 5 is the structural schematic diagram that supporting leg of the present invention folds.
Fig. 6 is the structural schematic diagram that supporting leg of the present invention is opened.
Fig. 7 is the partial enlargement structural representation of hand-clamping preventing mechanism of the present invention.
Fig. 8 is the schematic perspective view that pull ring of the invention is opened.
Fig. 9 is the side structure schematic diagram that pull ring of the invention folds.
Figure 10 is the partial structural diagram at pull ring position of the invention.
Figure 11 is the structural schematic diagram of headrest of the invention in lower position.
Figure 12 be headrest of the invention in lower position on lift ring structural schematic diagram.
Figure 13 is the structural schematic diagram that headrest of the invention is adjusted to higher position.
Figure 14 is the structural schematic diagram that headrest of the invention unclamps pull ring at higher position.
In figure, 1. pedestals, 2. mounting plates, to support plate, 4. handles, 5. movable racks, 6. rack gear springs, 7. rotations after 3.
Axis, 8. rotation holes, 20. supporting legs, 11. accommodating shells, 12. accommodating cavities, 13. bending parts, 14. positioning protrusion, 15. rotary shafts,
21. arc-shaped block, 22. locating slots, 31 headrests, 32. shadoofs, 33. pull rings, 34. chair back, 35. lock slots, 36. locating shafts,
37. skewed slot, 38. shoulder belt holes, 39. tension springs, 10. rotation connection structures, 311. back-offs, 312. notches.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
A kind of automobile children safety chair, including safety seat and pedestal 1, safety seat are mounted on pedestal 1, pedestal 1
Front end be provided with the supporting leg 20 of finger, the backward support plate 3 of the rear end setting adjustable angle of pedestal 1, on safety seat
It is provided with the adjustable headrest 31 with rotation pull ring.Specifically, this child safety seat includes that the structure of following three aspect changes
Into, i.e., including a kind of angle adjustable backward support plate mechanism, it is a kind of prevent from folding when finger support leg mechanism and kind
Headrest controlling mechanism with rotation pull ring.
Wherein, the backward support plate mechanism of a kind of angle adjustable includes the pedestal 1 for installing safety seat referring to Fig. 1,
The rear portion of pedestal 1 be provided with after to support plate 3, backward support plate 3 is rotatablely connected by rotational coupling mechanism and pedestal 1, pedestal 1
On be provided with mounting plate 2, be provided with positioning tooth on mounting plate 2, backward support plate 3 is equipped with movable rack 5, present embodiment
In, rotational coupling mechanism includes the rotation hole 8 being arranged on mounting plate 2 and is arranged rear in support plate 4 and across this turn
The rotation axis 7 in dynamic hole 8, wherein mounting plate 2 and movable rack 5 are made of metal material, and mounting plate 2 is iron plate, and movable rack 5 is
Iron block.
The handle 4 for driving the movable rack 5 mobile is additionally provided in backward support plate 3,4 connect with movable rack 5 after mentioning
It connects, and handle 4 can slide up and down to the rear rear portion to support plate 3 is arranged in.Movable rack 5 passes through rack gear spring 6 and pedestal 1
Tooth engagement is positioned, so that backward support plate 3 and pedestal 1 are fixed.In present embodiment, one end of the rack gear spring 6 and rotation
Axis 7 connects, and the other end is connect with movable rack 5, and positioning tooth is the setting of being arc-shaped property of the center of circle, 5 edge of movable rack with rotation axis 7
The radial alignment of the arc-shaped positioning tooth is mobile, and movable rack 5 is provided with the arc to match with the radian of arc-shaped positioning tooth
Locking teeth.Wherein, there are two positioning column, two positioning columns and rotation axis 7 to be collinearly arranged for setting in backward support plate 3, activity
Rack gear 5 is provided with two kidney-shaped mounting holes for being hung on two positioning columns respectively, and movable rack 5, which is limited at two, to be determined
It is moved back and forth in the rectilinear direction of position column.
In use, being that impetus is pulled upwardly handle 4 with backward support plate 3, so that movable rack 5 overcomes tooth referring to fig. 2
The pulling force of bar spring 6 moves up, so that movable rack 5 and the positioning tooth of mounting plate 2 are disengaged from.And then referring to Fig. 3,
To support plate 3 to angle compatible with automobile rear seat after the rotation of pedestal 1.Referring finally to Fig. 4, handle 4 is unclamped, it is living
The downward reset movement under the resilient force of rack gear spring 6 of carry-over bar 5 nibbles movable rack 5 and the positioning tooth of mounting plate 2
It closes, so that backward support plate 3 is fixedly connected under current angular with pedestal 1.
Wherein, a kind of support leg mechanism of finger when preventing from folding, referring to Fig. 5, including for installing safety seat
Pedestal 1 and the supporting leg 20 being arranged on pedestal 1, supporting leg 20 is rotationally connected with the front end of pedestal 1 by rotary shaft 15, described
Rotary shaft 15 is arranged on pedestal 1, and supporting leg 20 is provided with the axis hole passed through for rotary shaft 15.Turn of supporting leg 20 and pedestal 1
Dynamic junction is provided with hand-clamping preventing mechanism, and the hand-clamping preventing mechanism includes that the accommodating shell 11 of 1 front end of pedestal is arranged in and sets
Set the arc-shaped block 21 with the rotary shaft 15 for the center of circle on supporting leg 20.The accommodating shell 11 and 1 one of pedestal
Molding, the arc-shaped block 21 are detachably connected with supporting leg 20.
There is the accommodating shell 11 opening and the accommodating cavity 12 with the open communication, the opening to be located at accommodating cavity 12
Lower section, the cross sectional shape of the opening shape and the arc-shaped block 21 on supporting leg 20 matches.No matter supporting leg 20 is being rolled over
Folded or opening state, described arc-shaped 21 one end of block are extend into accommodating cavity 12 from the opening always, and the other end is always
Outside accommodating cavity 12.I.e. under any state, the gap remained constant between arc-shaped block 21 and accommodating shell 11 is constant,
The case where avoiding the shear extrusion for being easy to cause harm to the human body generation.
Accommodating shell 11 position adjacent with the arc surface of arc-shaped block 21, which is provided with towards the accommodating cavity 12, to be bent
Bending part 13.The bending part 13 is that an individual component snaps fit on accommodating shell 11 in present embodiment, the bending part
13 have smooth outer surface, by the section with burr for accommodating shell 11 towards in accommodating cavity 12, it are avoided to cause to anticipate
Outer injury, use are safer.Preferably, the gap between the bending part 13 and the arc surface of arc-shaped block 21 is 2-
There are enough manufacturing tolerance surpluses in the gap of 3mm, 2-3mm, and the interstice coverage will not with respect to for children's finger
Entirety protrudes into, it is ensured that using safe.
Accommodating shell 11 is located at the side wall in accommodating cavity 12 equipped with positioning protrusion 14, and the arc-shaped block 21 protrudes into appearance
It sets one end in chamber 12 and is equipped with the locating slot 22 cooperated with the positioning protrusion 14.When opening supporting leg 20, referring to Fig. 6-7, branch
The arc-shaped block 21 of support leg 20 is extend into the accommodating cavity 12 of accommodating shell 11 with the rotation of supporting leg 20, until arc-shaped
The locating slot 22 of block 21 snaps on the positioning column 14 on accommodating 11 inner wall of shell, at this time the opposite accommodating shell 11 of supporting leg 20
It is fixed, the reversion in normal use of supporting leg 20 is prevented, the safety of safety seat is increased and operates just rationality.When needing to roll over
When folded supporting leg 20, slightly firmly bending supporting leg 20, the positioning column 14 accommodated on 11 inner wall of shell are accommodating shell 11 itself
The locating slot 22 of arc-shaped block 21 is detached under the action of elastic deformation power, to release locking of the accommodating shell 11 to supporting leg 20
It can be freely rotated.In present embodiment, when arc-shaped block 21 turns to its locating slot 22 and the matching of positioning protrusion 14
When the position of conjunction, arc-shaped block 21 is located at one end outside accommodating cavity 12 and flushes with accommodating shell 11, specifically, arc-shaped block
21 outer end face is flushed with the bending part 13 of accommodating shell 11, has more attractive visual effect in this way after installing pedestal 1.
Wherein, a kind of headrest controlling mechanism of band rotation pull ring, referring to Fig. 8-9, including the chair back 34 and headrest 31, headrest 31
Adjustably it is arranged on the chair back 34 by the way that locking mechanism is movable, such as headrest 31 passes through sliding slot or sliding track mechanism with respect to the chair back 34
Slide up and down to and be arranged on the chair back 34, which is used to control the sliding or fixation of the opposite chair back 34 of headrest 31, headrest
31 rear portions are equipped with the shadoof 32 locked or unlocked for controlling the locking mechanism, it should be noted that right in present embodiment
Without limitation, the locking mechanism of other conventional configurations other than the present invention can be used in locking mechanism to the specific configuration of locking mechanism.
Lower than 31 tops of headrest, i.e., in present embodiment, the upper end of shadoof 32 no longer has apparent protruding parts, mentions on shadoof 32 top
Bar 32 is connected with pull ring 33 by rotation connection structure, rotates so that pull ring 33 can be folded relative to shadoof 32.It avoids on shadoof 32
End protrusion is easy to damage because of accident collision, and more safe and reliable, in addition, after pull ring 33 is folded with respect to shadoof 32, head
The whole visual effect of pillow 31 is more neat and artistic, and is conducive to save the space of packaging storage.
Referring to Figure 10,31 rear portions of resting the head on are provided with the sliding slot for accommodating shadoof 32, and shadoof 32 can opposite about 31 headrest
It slidably hides and is arranged in the sliding slot, two side positions on 32 top of shadoof are equipped with mounting hole, and pull ring 33 is U-shaped pull ring 33, the U
Two linking arms of shape pull ring 33 are respectively equipped with the back-off 311 being fastened with two mounting holes, and the back-off 311 is to be provided with
The elasticity back-off 311 of notch 312.Back-off 311 is inserted directly into mounting hole, enables the back-off 311 of pull ring 33 in mounting hole
Rotation, and then pull ring 33 is enable to fold with respect to shadoof 32.In present embodiment, the center of rotation and headrest 31 or shadoof of pull ring 33
32 is equal, except of course that except present embodiment, pull ring 33 can be with relative to the rotational coupling mechanism 10 that shadoof 32 folds rotation
It is realized using other equivalent ways, for example, pull ring 33 can be rotated by the axial line rotational pin vertical with headrest 31 or shadoof 32
Ground is connected on headrest 31.
Preferably, the shoulder belt hole 38 passed through for shoulder belt is provided on the headrest 31.When shoulder belt passes through shoulder belt hole 38 and ties up
When being scheduled on headrest 31, linkage adjusting can be carried out to shoulder belt while adjustment headrest 31, operated more simple and convenient.
With continued reference to Figure 11-14, the locking mechanism include the lock slots 35 being arranged on the chair back 34 and with shadoof 32
The locating shaft 36 of linkage, wherein lock slots 35 are several tooth sockets that direction arrangement is gone up and down along headrest 31；When shadoof 32 above mentions,
Shadoof 32 drives locating shaft 36 to remove lock slots 35, so that the locking mechanism unlocks；When shadoof 32 moves down, shadoof 32 is driven
Locating shaft 36 slides into lock slots 35, so that the locking mechanism locks.In present embodiment, shadoof 32 is provided with for driving
The skewed slot 37 of the linkage of locating shaft 36 is stated, the locating shaft 36 is removed or slided under the common position-limiting action of lock slots 35 and skewed slot 37
Enter the lock slots 35.Further, it is provided with elastic component on headrest 31, specifically, which is tension spring 39, tension spring 39
One end is fixedly connected with headrest 31, and the other end is fixedly connected with the lower section of shadoof 32, which makes shadoof 32 keep down partially
The elastic force of pressure, and the position for making the locking mechanism be maintained at Current lock slot 35 locks.
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (10)
1. a kind of automobile children safety chair, including the pedestal (1) for installing safety seat, the rear portion of pedestal (1) is provided with
Backward support plate (3), it is characterised in that: backward support plate (3) is rotatablely connected by rotational coupling mechanism and pedestal (1), pedestal
(1) be provided on mounting plate (2), be provided with positioning tooth on mounting plate (2), backward support plate (3) be equipped with movable rack (5) with
And the handle (4) for driving the movable rack (5) mobile, movable rack (5) are determined by rack gear spring (6) and pedestal (1)
Position tooth engagement, so that backward support plate (3) and pedestal (1) are fixed.
2. automobile children safety chair according to claim 1, it is characterised in that: the rotational coupling mechanism includes setting
On mounting plate (2) rotation hole (8) and setting it is rear on support plate (3) and pass through the rotation hole (8) rotation axis
(7).
3. automobile children safety chair according to claim 2, it is characterised in that: one end of the rack gear spring (6) with
Rotation axis (7) connection, the other end are connect with movable rack (5).
4. automobile children safety chair according to claim 3, it is characterised in that: the positioning tooth is with rotation axis (7)
The setting of being arc-shaped property of the center of circle, the movable rack (5) are moved along the radial alignment of the arc-shaped positioning tooth；The movable rack
(5) it is provided with the arc locking teeth to match with the radian of arc-shaped positioning tooth.
5. automobile children safety chair according to claim 1 to 4, it is characterised in that: the front end of pedestal (1) passes through
Rotary shaft (15) is rotatably connected to supporting leg (20), is provided with hand-clamping preventing at the rotation connection of supporting leg (20) and pedestal (1)
Structure, the hand-clamping preventing mechanism include setting in the accommodating shell (11) of pedestal (1) front end and are arranged on supporting leg (20)
With the rotary shaft (15) be the center of circle arc-shaped block (21), the accommodating shell (11) have one be open and with the opening
The accommodating cavity (12) of connection, described arc-shaped block (21) one end is extend into accommodating cavity (12) from the opening always, another
End is always positioned at accommodating cavity (12) outside.
6. automobile children safety chair according to claim 5, it is characterised in that: the accommodating shell (11) with it is arc-shaped
The adjacent position of the arc surface of block (21) is provided with the bending part (13) towards the accommodating cavity (12) bending.
7. automobile children safety chair according to claim 5, it is characterised in that: the accommodating shell (11) is located at accommodating
Side wall in chamber (12) is equipped with positioning protrusion (14), and one end that the arc-shaped block (21) is protruded into accommodating cavity (12) is equipped with
With the locating slot (22) of the positioning protrusion (14) cooperation.
8. automobile children safety chair according to claim 1 to 4, it is characterised in that: the safety seat includes head
(31) and the chair back (34) are rested the head on, headrest (31) is adjustably arranged on the chair back (34) by the way that locking mechanism is movable, after headrest (31)
Portion is equipped with the shadoof (32) locked or unlocked for controlling the locking mechanism, and shadoof (32) top is lower than headrest (31) top,
Shadoof (32) is connected with pull ring (33) by rotation connection structure (10), so that pull ring (33) can be with respect to shadoof (32) folded turning
It is dynamic.
9. automobile children safety chair according to claim 8, it is characterised in that: the locking mechanism includes being arranged in chair
Carry on the back the locating slot (35) on (34) and the locating shaft (36) with shadoof (32) linkage；When shadoof (32) above mentions, shadoof (32)
Locating shaft (36) are driven to remove lock slots (35), so that the locking mechanism unlocks；When shadoof (32) moves down, shadoof (32) band
Dynamic locating shaft (36) slide into lock slots (35), so that the locking mechanism locks.
10. automobile children safety chair according to claim 9, it is characterised in that: shadoof (32) is provided with for driving
The skewed slot (37) of locating shaft (36) linkage, the locating shaft (36) are made in the common limit of locating slot (35) and skewed slot (37)
With lower removal or slide into the lock slots (35)；Headrest (31) on be provided with elastic component, the elastic component make shadoof (32) keep to
The elastic force of lower bias, and the locking mechanism is made to keep locking in the position of Current lock slot (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754399.5A CN110435508A (en) | 2019-08-15 | 2019-08-15 | A kind of automobile children safety chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754399.5A CN110435508A (en) | 2019-08-15 | 2019-08-15 | A kind of automobile children safety chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110435508A true CN110435508A (en) | 2019-11-12 |
Family
ID=68435739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910754399.5A Pending CN110435508A (en) | 2019-08-15 | 2019-08-15 | A kind of automobile children safety chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118219948A (en) * | 2024-05-23 | 2024-06-21 | 江苏幸运宝贝安全装置制造有限公司 | Child safety seat anti-impact storable supporting leg structure |
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