CN104843043B - Pushchair - Google Patents
Pushchair Download PDFInfo
- Publication number
- CN104843043B CN104843043B CN201510015474.8A CN201510015474A CN104843043B CN 104843043 B CN104843043 B CN 104843043B CN 201510015474 A CN201510015474 A CN 201510015474A CN 104843043 B CN104843043 B CN 104843043B
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- Prior art keywords
- castor
- front foot
- locking
- body frame
- vehicle body
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- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 162
- 230000029052 metamorphosis Effects 0.000 claims abstract description 45
- 230000009471 action Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001268 conjugating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The present invention relates to a kind of Pushchairs, it is therefore intended that prevents the unexpected castor rotation of Pushchair front-wheel when carrying out folding operation.Pushchair includes castor locking part (24), elastomeric element (25), action component (26,27)；Wherein, the castor locking part (24) is arranged at the castor holding member (22), the rotation that castor rotary part (23) are limited on locking position C, allows the rotation of the castor rotary part on releasing position A；The elastomeric element (25) biases the castor locking part from the locking position C to the releasing position A；The action component (26,27) is that one end connects the castor locking part, the other end is arranged at the component of vehicle body frame, the other end is abutted by the metamorphosis part (6,8,28) of the vehicle body frame from unfolded state metamorphosis to folded state, the castor locking part is made to be located at locking extreme position B with resisting the bias force of the elastomeric element.
Description
Technical field
The present invention relates to one kind be when in use unfolded state, when not in use be folded state perambulator, in particular to
A kind of structure of the castor to lock.
Background technique
It is launched into unfolded state as using, is scaled down into the perambulator of folded state when not in use, such as have Japan
Special open 2013-095274 bulletin (patent document 1) and Japanese Unexamined Patent Publication 2013-006553 bulletin (patent document 2) are disclosed
Perambulator.In patent document 1 and 2, be arranged at front foot lower end front-wheel be can right rotation to the left castor.In patent text
In the perambulator for offering 1 announcement, the well known lock handle equipped with the castor rotation that can lock should by operator's operation of perambulator
Lock handle, locking castor rotate it can not.The perambulator that patent document 2 discloses includes front foot, is arranged at front foot lower end
Castor and changeable along the back side pushing position of front foot and the promotion stick for the opposite pushing position for leaving front foot, can pass through
Castor locking part locking castor rotate it can not.The castor locking part that patent document 2 discloses is not by perambulator
Operator directly operates, but passes through metal wire and the front foot side movable member that can be arranged with conjugating to the upper end side region of front foot
Connection.It pushes stick by acting institutionally, front foot side movable member can be promoted in position upwards.In addition, front foot can be made
Position conjugates side movable member downwards.Position or lower position displacement are opposite upwards with such a front foot side movable member
Ying Di, castor locking part release position or limit the locking position that castor rotates and conjugate to the locking for allowing castor to rotate.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-095274 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2013-006553 bulletin
Summary of the invention
Technical problems to be solved by the inivention
When do not lock patent document 1 announcement lock handle, in the state that castor rotates freely fold patent document 1 baby
When youngster's vehicle, front-wheel can rotate astatically relative to ground.Front wheels and rear wheels can not be made certainly to be grounded as a result, and make to fold
Perambulator afterwards steadily erects.Under additional folding state, the direction of the castor as front-wheel and the direction of rear-wheel are misaligned, and are produced
Raw inaesthetic problem.
In addition, being carried out in a manner of making the distance of front wheels and rear wheels become smaller in the state of making front wheels and rear wheels keep ground connection
When the folding operation of perambulator, if front-wheel rotates in the lateral direction suddenly, round and smooth folding operation can be interfered, to perambulator
Folding operation will become loaded down with trivial details thing for operator.In turn, the front-wheel interference rear-wheel of rotation can be generated and interfere to fold
The possibility of operation.But on the contrary, the lock handle for the castor that locks every time before the folding operation, very troublesome for operator.
The castor locking part that patent document 2 discloses rotate it can not by the bias force locking castor of spring.At this
In structure, it must be made by pushing stick to promote front wheel side movable member etc., adding certain mechanisms when perambulator is unfolded state
Castor locking part is maintained at locking with resisting the bias force of spring and releases position.
In view of above-mentioned actual conditions, the present invention is without using manually loaded down with trivial details by operator as disclosed in patent document 1
Castor handle locking operation and be to provide one kind can in folding baby vehicle automatic locking castor (front-wheel), expansion baby
The perambulator for manually allowing castor to rotate automatically when youngster's vehicle without operator is as the first purpose.In addition, this hair
It is bright to prevent the unexpected of the castor when carrying out the folding operation of perambulator from rotating as the second purpose.In addition, the present invention with
Under the unfolded state of perambulator, without special mechanisms such as hoisting mechanisms as disclosed in patent document 2 by pushing stick, with letter
Single structure allows the rotation of castor as third purpose.
Solve the means of technical problem
To achieve the goals above, Pushchair of the invention includes: vehicle body frame, front-wheel castor mechanism, castor
Locking part, elastomeric element, action component；Wherein, the vehicle body frame includes front foot and the rear foot, in unfolded state and folding
Form under state is different；The front-wheel castor mechanism turn to front-wheel can, have castor holding member and castor rotary part,
Wherein, the castor holding member is arranged at the lower end of the front foot, and the castor rotary part can be surrounded to upper and lower
It is rotatably kept to the rotation axis of extension by the castor holding member and axis supports the front-wheel；The castor locking part
Part is arranged at the castor holding member, and the rotation of the castor rotary part is limited on locking position, is releasing position
On allow the rotation of the castor rotary part；The elastomeric element is by the castor locking part from the locking position to institute
State releasing location bias；The action component is that one end connects the castor locking part, the other end is arranged at the car body
The component of frame passes through the metamorphosis portion of the vehicle body frame from the unfolded state metamorphosis to the folded state
Divide and abut the other end, the castor locking part is made to be located at the locking position with resisting the bias force of the elastomeric element
It sets.
According to the present invention, the form of action component and the vehicle body frame that metamorphosis is carried out from unfolded state to folded state
Variation limits the rotation of castor rotary part, as a result, in the folding operation of Pushchair, front-wheel castor mechanism in linkage
Automatically locked.Therefore, operator is not necessarily to improve usability by carrying out locking operation to the castor of front-wheel manually.Institute
The releasing for stating locking or the locking of front-wheel castor mechanism does not need operation of the operator to castor locking part, can with it is collapsible
Carry out automatically to the folding operation and expansion operations linkage of perambulator.
According further to the present invention, not only in a folded configuration, when operator carries out folding operation to Pushchair,
The rotation of castor rotary part can be also limited under the state of way in the fold.Therefore, operator can sleekly carry out folding behaviour
Make.
According further to the present invention, due to castor locking part by elastomeric element to releasing location bias, folding
Under the unfolded state of formula perambulator, not needing special mechanism also can make castor locking part be maintained at releasing position.
Action component can have various embodiments.To vehicle body frame metamorphosis part action of configuration component it is another
One end is not particularly limited the metamorphosis part, be preferably configured in vehicle body frame it is a part of it is opposite, with
Metamorphosis part part close to metamorphosis part.As an embodiment, action component includes from the castor
Connecting rod that locking part extends upwards and connect the upper end of above-mentioned connecting rod, be arranged in a manner of variable bit it is described before
The front foot movable member of foot；The front foot movable member is compressed to down by abutting the metamorphosis part of vehicle body frame
Orientation is set, and so that the castor locking part is located at the locking position by the connecting rod.As long as connecting rod connecting pin wheel lock
Gu component and front foot movable member, can be bar, axis or metal wire etc., are not particularly limited.
The metamorphosis of vehicle body frame of the invention is not particularly limited.For example, vehicle body frame can also pass through folding
Folded, the angle between front foot and the rear foot is opened.As preferred embodiment, the rear foot is become by the form of the vehicle body frame
Change close to the front foot.Moreover, front foot movable member is compressed to institute as the rear foot of the metamorphosis part by abutting
Lower position is stated, so that the castor locking part is located at the locking position by the connecting rod.
As other embodiments, vehicle body frame further includes the armrest member for being set to the side of child seat seat,
Armrest member is by the metamorphosis of the vehicle body frame close to the front foot.Moreover, front foot movable member is become by abutting
The armrest member of the metamorphosis part is compressed to the lower position, locks the castor by the connecting rod
Gu component is located at the locking position.
As other embodiments, vehicle body frame further includes the slide unit slided along the front foot, the cunning
Dynamic component slides downwards movement by the metamorphosis of the vehicle body frame.Moreover, front foot movable member can also pass through abutting
The slide unit as the metamorphosis part is compressed to the lower position, makes the foot by the connecting rod
Wheel locking part is located at the locking position.Such a action component, as long as the metamorphosis using vehicle body frame makes foot
Locking part is taken turns to conjugate to locking position.It can be slide unit and for example push stick, or be also possible to other frame sections
Part.
As other embodiments, vehicle body frame further includes the portions support for being arranged on the side of child seat seat
Stick, the portions support stick is by the metamorphosis of the vehicle body frame close to the front foot.Moreover, front foot movable member can also
It is compressed to the lower position as the portions support stick of the metamorphosis part by abutting, passes through the connection
Bar makes the castor locking part be located at the locking position.
As an embodiment, vehicle body frame further includes the frame section that the front foot is connected to by rotary shaft
Part, the frame parts are rotated centered on the rotary shaft by the metamorphosis of the vehicle body frame and before described
Foot；Front foot movable member is compressed to the lower orientation as the frame parts of the metamorphosis part by abutting
It sets, so that the castor locking part is located at the locking position by the connecting rod.
Invention effect
By means of the invention it is possible to make the castor of front-wheel not dash forward under the folding midway state and folded state of perambulator
So rotation, and erect folded perambulator steadily.
Detailed description of the invention
Fig. 1 is the skeletal graph for indicating the unfolded state of Pushchair of one embodiment of the present invention；
Fig. 2 is the skeletal graph for indicating the folding midway state of the embodiment；
Fig. 3 is the skeletal graph for indicating the folded state of the embodiment；
Fig. 4 is the schematic illustration for indicating the unfolded state of the embodiment；
Fig. 5 is the schematic illustration for indicating the folding midway state of the embodiment；
Fig. 6 is the schematic illustration for indicating the folded state of the embodiment；
Fig. 7 is the schematic illustration for indicating the unfolded state of Pushchair of other embodiments of the invention；
Fig. 8 is the schematic illustration for indicating the folding midway state of other embodiments；
Fig. 9 is the schematic illustration for indicating the folded state of other embodiments；
Figure 10 is the schematic illustration for indicating the unfolded state of Pushchair of other embodiments of the invention；
Figure 11 is the schematic illustration for indicating the folding midway state of other embodiments；
Figure 12 is the schematic illustration for indicating the folded state of other embodiments.
Symbol description:
1, Pushchair；
2, vehicle body frame；
5, armrest member；
6, front foot；
7, front-wheel；
8, the rear foot；
9, rear-wheel；
10, stick is pushed；
11, bracket is inverted；
12,13,14,15,16,18, rotary shaft；
19, portions support stick；
22, castor holding member；
23, castor rotary part；
23m, engaged part；
24, castor locking part；
25, elastomeric element；
26, front foot movable member；
27, bar (connecting rod)；
28, abutting part；
A, position is released；
B, lock extreme position；
C, locking position；
Dl, wheelbase from；
X, rotation axis.
Specific embodiment
Embodiments of the present invention described further below.Fig. 1 is one embodiment of the present invention is outlined collapsible
The skeletal graph of perambulator.Fig. 2 is the skeletal graph for indicating the folding midway state of the embodiment.Fig. 3 is to indicate the embodiment
Folded state skeletal graph.FIG. 1 to FIG. 3 indicates the state of the perambulator from the outside of vehicle width direction.
Pushchair 1 includes vehicle body frame 2, the portions 3 of child seat seat, the backrest portion 4 of child seat seat.Car body
Frame 2 includes frame structure (Fig. 1), which supports portions 3 and backrest portion 4, in the expansion shape of Pushchair 1
Under state, the mode that portions 3 and backrest portion 4 leave each other is unfolded.In addition, vehicle body frame 2 in a folded configuration, 3 and of portions
The mode that backrest portion 4 is mutually drawn close is folded (Fig. 3).The aftermentioned form being described in detail between unfolded state and folded state becomes
Change.
Vehicle body frame 2 includes armrest member 5, front foot 6, the rear foot 8, reversion bracket 11, pushes stick 10, portions support stick 19；
Wherein, the armrest member 5 extends forward and backward；The front foot 6 has front-wheel 7 in its lower end, and the upper end passes through rotary shaft
16 are rotatably connected to the central portion in the front-back direction of armrest member 5；The rear foot 8 has rear-wheel 9 in its lower end, thereon
End passes through rotary shaft 18, is connected near the front end of armrest member 5 in a rotatable way；The lower end of the reversion bracket 11
The central portion that portion passes through rotary shaft 12, the up and down direction for being connected to the rear foot 8 in a rotatable way；The promotion stick 10 is upwards
Lower direction extends, and lower end is connected to the upper end of reversion bracket 11 by rotary shaft 13, in a rotatable way；The seat
Portion's support stick 19 extends forward and backward than the position of armrest member 5 further below, and front end passes through rotary shaft 14, with rotatable
Mode be connected near the upper end of front foot 6, its rear end by rotary shaft 13, in a rotatable way be connected to reversion branch
The upper end of frame 11.The rear end of armrest member 5 is connected to by rotary shaft 15, in a rotatable way to push in stick 10
Way position.
Armrest member 5, the rear foot 8, pushes stick 10, reversion bracket 11 and portions support stick 19 to be respectively set two at front foot 6
A a pair, positioned at the left and right side of Pushchair 1.These a pair of components are by extending in the vehicle of Pushchair 1
Vehicle width direction component between each pair in wide direction, (not shown) suitably connects.It is isolated and is arranged in the vehicle width direction
A pair pushes stick 10 to support backrest portion 4.In addition, being isolated a pair of of the portions support stick 19 support portions of setting in the vehicle width direction
3。
Front-wheel 7 can right rotation to the left by being set to the castor mechanism of the lower end of front foot 6.Castor mechanism is kept with castor
Component 22 and castor rotary part 23.Castor holding member 22 is fixed in the lower end of front foot 6.Castor rotary part 23 is by foot
It takes turns holding member 22 to keep, makes it that can support front-wheel 7 around the rotation axis X rotation vertically extended, axis.It is specific next
It says, from castor rotary part 23, along rotation axis X, protrusion, the apex zone of the axis are connected axis in a rotatable way upwards
It is connected to castor holding member 22.
Castor locking part is set in castor holding member 22 in a manner of variable bit, will be described later in detail.Castor lock
Gu the releasing position of the underlying locking position of component or top limits castor rotary part 23 when on locking position
Rotation, when the rotation for allowing castor rotary part 23 when releasing on position.
As shown in Figure 1, passing through locking appropriate (not shown) when Pushchair 1 is in the unfolded state opened
Mechanism forbids inverting the rotation of bracket 11, and Pushchair 1 keeps unfolded state as a result,.Moreover, when to fold collapsible baby
When youngster's vehicle 1, the rotation illegal state carried out by locked mechanism to reversion bracket 11 is released, makes to invert bracket 11 in Fig. 1
It is rotated clockwise centered on rotary shaft 12, inverts upside down the upper and lower end for inverting bracket 11.According to reversion bracket 11
Reverse angle, push 10 entire lowering of stick, portions support stick 19 lower end decline and close to the lower end of the rear foot 8, it is preceding
Foot 6 and the rear foot 8 are close to each other, by indicating Fig. 2 of folding midway state, finally obtain complete folded state shown in Fig. 3.
Compared with unfolded state (Fig. 1), in folded state (Fig. 3), the angle between front foot 6 and the rear foot 8 narrows, front-wheel
7 and rear-wheel 9 it is close to each other, armrest member 5 is rotated clockwise centered on rotary shaft 16, and the rear end of armrest member 5 is by nearby
The lower end of foot 6, portions support stick 19 are rotated clockwise centered on rotary shaft 14, and the rear end of portions support stick 19 is by nearby
The lower end of foot 6.In addition, armrest member 5 is rotated clockwise centered on rotary shaft 15, the rear end of armrest member 5 is close to be pushed away
The lower end of dynamic stick 10.
Moreover, the vehicle body frame 2 after metamorphosis is concentrated between front-wheel 7 and rear-wheel 9 at folded state (Fig. 3),
Pushchair 1 can erect.
In addition in the present embodiment, the upper end of front foot 6 and the upper end of the rear foot 8 intersect, and rotary shaft 18 is arranged on
The position in more front than rotary shaft 16.Alternatively, it is also possible to intersect upper end and the upper end of the rear foot 8 of front foot 6 not, will rotate
The position (not shown) at the more rear than rotary shaft 16 is arranged in axis 18.Alternatively, rotary shaft 16 and rotary shaft 18 can also be made altogether
Rotary shaft.
In the present embodiment, vehicle that can be different from the form at unfolded state (Fig. 1) and under folded state (Fig. 3)
Body frame 2 in linkage, allow or rotation of the front-wheel 7 as castor that lock.About the structure, it is described in detail referring to Fig. 4~Fig. 6.
Fig. 4 is the diagrammatic side view for indicating to take out armrest member 5, front foot 6, the rear foot 8, the exhibition of corresponding Pushchair 1
Open state (Fig. 1).The castor locking part 24 for being set to castor holding member 22 is configured in the position for leaving rotation axis X,
Such as it can be conjugated along the rear side for being formed in castor holding member 22 and the slot vertically extended or hole.Moreover, castor
The releasing position A of locking part 24 above leaves castor rotary part 23.At this moment, castor locking part 24 does not engage to be formed
In the engaged part 23m of castor rotary part 23.Therefore, castor rotary part 23 is identical as front-wheel 7, the rotation of left and right directions
It is not affected by limitation, plays the role of castor.
Engaged part 23m is for example to be formed in the rear side of castor rotary part 23 and the slot vertically extended or hole,
The upper end in the slot or hole is open.The lower end of the upper end opening portion towards castor locking part 24.Engaged part 23m accepts castor lock
Gu the lower end of component 24 is to whole.In addition, the cross sectional shape of engaged part 23m gradually broadens ground upwards as funnel
It is formed, therefore, engaged part 23m can simply accept the lower end (not shown) for the castor locking part 24 fallen from top.
Thereby, it is possible to simply engage castor locking part 24 and engaged part 23m.
Front foot movable member 26 is set near the upper end of front foot 6.Front foot movable member 26 can be conjugated along front foot 6.Separately
Outside, the upper end of front foot 6 is provided with elastomeric element 25, elastomeric element 25 biases front foot movable member 26 upwards always.By
This, front foot movable member 26 is located above position alpha under the unfolded state of Pushchair 1 as illustrated in fig. 4.Front foot is movable
Component 26 and castor locking part 24 are interconnected by connecting rod.Connecting rod is can for example to transmit the length of axis direction compressing force
Bar shaped bar 27.As other examples, connecting rod is not transmit the combination of the metal wire and spring of axis direction compressing force.Under bar 27
Connecting pin wheel locking part 24 is held, the upper end of bar 27 connects front foot movable member 26.Bar 27 preferably can slight curve deformation, can also
It is applied in the inside for being formed as the front foot 6 of catheter-like.
Abutting part 28 is fixed in the upper end of the rear foot 8.The tip portion of abutting part 28 is prolonged forwards towards 6 ground of front foot
It stretches, and opposite with front foot movable member 26, but under the unfolded state of Pushchair 1, it is movable that abutting part 28 leaves front foot
Component 26.Alternatively, abutting part 28 with a little power abut front foot movable member 26 upper end, front foot movable member 26 not by
Press (not shown) downwards.Therefore, front foot movable member 26 by elastomeric element 25 bias force and be maintained at upper position
Set α.Front foot 6 shown in Fig. 4 and the rear foot 8 are with defined angle opening.At this moment, from the rotary shaft of front-wheel 7 to the rotation of rear-wheel 9
The wheelbase of axis is maximum value L1 from Dl.
Start the folding operation of Pushchair 1 in the state of keeping front-wheel 7 and castor rotary part 23 forward,
Angle between front foot 6 and the rear foot 8 gradually becomes smaller, and wheelbase is gradually less than maximum value L1 from Dl.At this moment, concern is located at than armrest part
The positional relationship of part 5 the front foot movable member 26 and abutting part 28 of position further below, in folding operation, abutting part 28 is forwards
Front foot movable member 26 is moved and abutted, the bias force of elastomeric element 25 is resisted and pushes front foot movable member 26.
Fig. 5 is the diagrammatic side view for indicating to take out armrest member 5, front foot 6, the rear foot 8, the folding of corresponding Pushchair 1
Folded midway state (Fig. 2).In defined folding midway state, such as wheelbase from Dl be 3/4L1 when, abutting part 28 push front foot can
Dynamic component 26 is until middle position β.
The middle position β of front foot movable member 26 is located at further below than top position α.Front foot movable member 26 is with it
The lower section of body conjugates, and passes through 27 lower foot clamp wheel locking part 24 of bar.Castor locking part 24 is located at locking extreme position B as a result,.
The extreme position B that locks is located at than releasing position A further below, the lower end of castor locking part 24 from castor holding member 22 into
Out, engage with the engaged part 23m for being formed in castor rotary part 23.On locking extreme position B, 24 He of castor locking part
Engaging size between the 23m of engaged part is abundant, realizes essence of the castor locking part 24 relative to castor rotary part 23
Property engaging.Limitation castor rotary part 23 can not be rotated around rotation axis X as a result,.
Fig. 6 is the diagrammatic side view for indicating to take out armrest member 5, front foot 6, the rear foot 8, corresponds to the complete of Pushchair 1
Full folded state (Fig. 3).Compare Fig. 5 and Fig. 6 it is known that from fold midway state be carried out continuously folding operation when, 6 He of front foot
Angle and wheelbase between the rear foot 8 are further decreased from Dl.Finally, the angle between front foot 6 and the rear foot 8 in a folded configuration at
For minimum, wheelbase is minimum value L3 from Dl.L3 is the specified value being for example comprised within the scope of 1/3L1~1/5L1.In rugosity
Under state, abutting part 28 pushes front foot movable member 26 completely, and front foot movable member 26 is located below position γ.Lower position γ
Positioned at further below than middle position β.
With the front foot movable member 26 for being located below position γ, castor locking part 24 is located at locking position C.Lock position
It sets C to be located at than locking extreme position B further below, castor locking part 24 engages in locking position C with castor rotary part 23.By
This, limitation castor rotary part 23 can not be rotated around rotation axis X.That is, from locking extreme position B to locking position
It sets between C, limitation castor rotary part 23 can not be rotated around rotation axis X.Therefore, front-wheel 7 is kept forward, foldable baby
Vehicle 1 steadily erects in a folded configuration.In addition, vehicle body frame 2, which is in, to be folded when being expanded to unfolded state from folded state
When the state of midway, limitation castor rotary part 23 can not be rotated around rotation axis X, and front-wheel 7 keeps revolving not as castor forward
Turn.
When being expanded to the operation of unfolded state from folded state, when with above-mentioned folding operation identically, forbid folding
State and the castor rotation for folding the front-wheel 7 under the state of midway.
In addition, in the present embodiment, the locking extreme position B and locking position C of castor locking part 24 are also possible to
Same position.In this case, it can also be absorbed by the bending of bar 27 from the middle position β of front foot movable member 26 to lower section
The displacement of position γ.
According to the present embodiment, Pushchair 1 includes elastomeric element 25, front foot movable member 26, bar 27；Wherein,
The elastomeric element 25 biases castor locking part 24 from locking position C to position A is released；The front foot movable member 26 is set
It can be conjugated to front foot 6；Connecting rod of the bar 27 as connecting pin wheel locking part 24 and front foot movable member 26.Front foot is movable
Component 26 and bar 27 become the action component for conjugating castor locking part 24.One end connecting pin wheel locking part of action component
24, the other end of action component is arranged at vehicle body frame 2 as front foot movable member 26.Moreover, abutting part 28 passes through abutting
The front foot movable member 26 of the other end as action component, the upward bias force for resisting elastomeric element 25 make castor locking part
Part 24 is located at locking position C, wherein the abutting part 28 is from the unfolded state of Pushchair 1 to the shape of folded state
The metamorphosis part of the vehicle body frame 2 of state variation.Front-wheel 7 is allowed to make at Fig. 1 and unfolded state shown in Fig. 4 as a result,
For castor rotation, it is prohibited to rotate as castor at Fig. 3 and folded state shown in fig. 6.Therefore, folding in a folded configuration
In stacked perambulator 1, front-wheel 7 will not rotate astatically, and front-wheel 7 and rear-wheel 9 can certainly be grounded and become rugosity
The Pushchair 1 of state steadily erects.In addition, in a folded configuration, the direction of the front-wheel 7 as castor and rear-wheel 9
Direction is consistent facing forward, more beautiful.
In addition, according to the present embodiment, front-wheel 7 is not only at Fig. 3 and folded state shown in fig. 6, but also in Fig. 2 and figure
Also it is prohibited under folding midway state shown in 5 as castor to rotate.As a result, before making front-wheel 7 and rear-wheel 9 keep being grounded and making
Wheel the distance between 7 and rear-wheel 9 become smaller ground folding operation perambulator when, front-wheel 7 will not rotate in the lateral direction suddenly, Neng Gouyuan
Folding operation is carried out slidingly, and the operator of Pushchair 1 will not feel the loaded down with trivial details of folding operation.In turn, keep facing forward
Front-wheel will not interfere with rear-wheel, therefore, a possibility that capable of eliminating as folding operation obstacle.Refer in addition, folding midway state
Unsetting state between unfolded state and folded state.Fig. 2 and folding midway shown in fig. 5 state are included in from exhibition
Until open state to folded state or one of opposite continuous morphing process state.
In addition, according to the present embodiment, castor locking part 24 is located at by the bias force of elastomeric element 25 releases position
A.According to this structure, without any mechanism of the unfolded state additional lift castor locking part 24 to perambulator.
In addition, according to the present embodiment, the action component for acting castor locking part 24 includes that bar 27 and front foot are movable
Component 26, wherein the bar 27 is the connecting rod extended upwards from castor locking part 24, and the front foot movable member 26 connects
The upper end of extension bar is simultaneously arranged at front foot 6 to variable bit in succession.Front foot movable member 26 becomes the shape of vehicle body frame 2 by abutting
The abutting part 28 of state changing unit, is compressed to lower position γ, so that castor locking part 24 is located at locking position by bar 27
C.Alternatively, it is also possible to using the hard bar of inflexibility, connecting the lower end of bar to castor locking part 24 and connecting bar
Upper end to front foot movable member 26, thus instead of flexible bar 27.
In addition, according to the present embodiment, the rear foot 8 is by the metamorphosis of vehicle body frame 2 close to front foot 6, front foot movable part
Part 26 becomes the abutting part 28 of the rear foot 8 of metamorphosis part by abutting, and is compressed to middle position β to lower position γ,
Bar 27 by becoming connecting rod makes castor locking part 24 be located at locking extreme position B to locking position C.
Supplement is needed exist for, when using metal wire and spring to replace bar 27 as connecting rod, can be locked in castor
Gu drawing between component 24 and front foot movable member 26 and setting metal wire, spring, castor holding member are set in castor holding member 22
22 spring passes through biased downward castor locking part 24 always than the weaker bias force of elastomeric element 25.Metal wire is protected as a result,
Hold the state of stretching.In addition, elastomeric element 25 not will receive the shadow of the weak bias force of spring under unfolded state shown in Fig. 4
It rings, front foot movable member 26 is maintained at top position α.In addition, folded state shown in Fig. 5 and folding shown in fig. 6 midway
Under state, when abutting part 28 pushes front foot movable member 26 with resisting the upward bias force of elastomeric element 25, elastomeric element
25 bias force will not influence spring.Therefore, spring biases downwards castor locking part 24, is located at locking extreme position
B to locking position C.
Then illustrate other embodiments of the invention.Fig. 7~Fig. 9 is the signal for indicating other embodiments of the invention
Side view.Fig. 7 indicates the unfolded state of Pushchair, corresponding diagram 1.Fig. 8 shows the folding midway shapes of Pushchair
State, corresponding diagram 2.Fig. 9 indicates the completely folded state of Pushchair, corresponding diagram 3.About other embodiments, assign with
Simultaneously their description is omitted for the identical symbol of the common mechanism of embodiment above-mentioned, illustrates different structures below.In other realities
It applies in mode, abutting part 28 above-mentioned is set to armrest member 5, rather than is set to the rear foot 8.26 variable bit of front foot movable member
Ground is arranged at the upper end of front foot 6, configures near armrest member 5.
Abutting part 28 is located near rotary shaft 16, such as is arranged at the lower edge of armrest member 5.Front foot movable member 26
It is configured in than rotary shaft 16 and is arranged at the upper end of front foot 6 further below.The first end of elastomeric element 25 is installed in front foot
Movable member 26, the second end of elastomeric element 25 are installed in front foot 6, and elastomeric element 25 biases front foot movable part upwards always
Part 26.The upper end of abutting part 28 and front foot movable member 26 is opposite as a result,.Under unfolded state shown in Fig. 7, with from front-wheel 7
From Dl be L1 to the wheelbase between rear-wheel 9, abutting part 28 leave front foot movable member 26 or front foot is abutted with lighter power can
The upper end of dynamic component 26, front foot movable member 26 will not be pressed downwards.Therefore, front foot movable member 26 is by elastic portion
The upward bias force of part 25 and be located above position alpha.
When starting the Pushchair of folding operation, folding and expanding state, rotation of the armrest member 5 in Fig. 7
Axis 16 rotates clockwise.It is located at the rear-end side region of the armrest member 5 at more rear than rotary shaft 16 as a result, close to front foot 6.Separately
Outside, abutting part 28 of the configuration at the more rear than rotary shaft 16 moves downwards along front foot 6, resists the bias force of elastomeric element 25
And front foot movable member 26 is pressed downwards.
Under folding midway state shown in Fig. 8, for example, wheelbase from Dl be 9/10L1 when, abutting part 28 push front foot it is movable
Component 26 is until middle position β.Front foot movable member 26 applies axis direction compressing force to bar 27 as a result, by castor locking part
24 press to locking extreme position B.
Supplement is needed exist for, along with the progress of folding operation, armrest member 5 is further rotated, thus, it is possible to
Know that 26 respective shaft distance Dl of front foot movable member is conjugated.In addition, front foot movable member 26 and castor locking part 24 pass through bar 27
Connection, thus, it is possible to learn with the displacement of front foot movable member 26 in linkage, castor locking part 24 is conjugated.That is may be used
To learn, the position of castor locking part 24 and wheelbase link from Dl, in other words with the metamorphosis of vehicle body frame 2.In addition, working as
Castor locking part 24 is located at wheelbase when locking extreme position B from Dl, is not limited to foregoing illustrative value, is also possible to for example
It include the specified value within the scope of 9/10~2/3L1.As a result, under folding midway state as shown in Figure 8, front-wheel 7 can be made
It keeps forward and the castor is forbidden to rotate, it is even more so under folded state as shown in Figure 9.If (to scheme with from unfolded state
1, Fig. 4, Fig. 7) start fold while make abutting part 28 start press front foot movable member 26 mode constitute, according to the knot
Structure can make the centrally located β of front foot movable member 26, after folding operation starts shortly in Dl=9/10L1 or so
The rotation of front-wheel 7 can be limited.
According to Fig. 7~embodiment shown in Fig. 9, vehicle body frame 2 further comprises the portions 3 that child seat seat is arranged in
Two sides a pair of armrests component 5, armrest member 5 is by the metamorphosis of vehicle body frame 2 close to front foot 6, front foot movable member
26 become the abutting part 28 of the armrest member 5 of metamorphosis part by abutting, and are compressed to middle position β to lower position
γ, the bar 27 by becoming connecting rod make castor locking part 24 be located at locking extreme position B to locking position C.
Action component of the invention is not limited to bar 27 and front foot movable member 26, it is also contemplated that above explained reality
Apply the various embodiments other than mode.
As variation (not shown), it can also be formed and promotion stick 10 shown in FIG. 1 to FIG. 3 is replaced with flowering structure, that is, edge
Front foot 6 be arranged it is slidable push stick, push stick to pass through folding operation sliding movement.Moreover, action component is in collapsible baby
It is located at top position α under the unfolded state of youngster's vehicle, castor locking part 24 can be made to be located at and release position A.Alternatively, it is also possible to make
Make component pushes stick to be compressed to middle position under the folding midway state and folded state of Pushchair, by abutting
β to lower position γ makes castor locking part be located at locking extreme position B to locking position C by connecting rod.
Then illustrate other embodiments of the invention.Figure 10~Figure 12 is the schematic side of other embodiments of the invention
View.Figure 10 indicates the unfolded state of Pushchair, corresponding diagram 1.The folding midway shape of Figure 11 expression Pushchair
State, corresponding diagram 2.Figure 12 indicates the completely folded state of Pushchair, corresponding diagram 3.About other embodiments, assign with
Simultaneously their description is omitted for the identical symbol of the common mechanism of embodiment above-mentioned, illustrates different structures below.In other realities
It applies in mode, the abutting part 28 is set to portions support stick 19 rather than is set to armrest member 5.Front foot movable member 26
It is arranged to variable bit the upper end of front foot 6, is configured near portions support stick 19.
Abutting part 28 is set to the front end of portions support stick 19, is configured near rotary shaft 14.Front foot movable part
Part 26 is configured in the central portion than the position further below of rotary shaft 14, the up and down direction for being arranged at front foot 6.It abuts as a result,
Portion 28 and the upper end of front foot movable member 26 are opposite.Especially abutting part 28 forms the downward bulging in a manner of drawing smooth arc
Shape.On the other hand, the upper end of front foot movable member 26 is flat shape.
Pushchair 1 is passing through folding midway state (Fig. 2) metamorphosis up to rugosity from unfolded state (Fig. 1)
When state (Fig. 3), portions support stick 19 is rotated clockwise centered on rotary shaft 14 in figure.That is, portions support stick 19
By the metamorphosis of vehicle body frame 2 close to the central portion of the up and down direction of front foot 6.In addition, front foot movable member 26 is by supporting
It is connected into the abutting part 28 of the portions support stick 19 for metamorphosis part, middle position β is compressed to lower position γ, passes through
Bar 27 as connecting rod makes castor locking part 24 be located at locking extreme position B to locking position C.Especially from Figure 11 to
In the metamorphosis of the vehicle body frame 2 of Figure 12, the abutting part 28 of downward bulging shape is relative to the flat of front foot movable member 26
Upper end pressed down on while sliding.
In turn, the basic structure of other embodiments and function effect with have been described that Fig. 7~it is shown in Fig. 9
Embodiment is roughly the same, in the explanation made to Fig. 7~embodiment shown in Fig. 9, changes armrest member 5 into portions
Supporting rod 19 changes rotary shaft 16 into rotary shaft 14, can simply understand.
Above-mentioned vehicle body frame 2 may include armrest member 5, portions support stick 19 or other component (not shown) etc., pass through
The rotary shafts such as rotary shaft 16 or rotary shaft 14 are connected to the frame parts of front foot 6.The frame parts passes through the shape of vehicle body frame 2
State variation, rotation and close front foot 6 centered on the rotary shaft.In the structure, front foot movable member 26 passes through abutting
The frame parts of metamorphosis part as vehicle body frame 2 is compressed to middle position β to lower position γ, passes through connection
Bar makes castor locking part 24 be located at locking extreme position B to locking position C.
More than, embodiments of the present invention are illustrated referring to attached drawing, but the present invention do not limit to it is shown in the drawings
Embodiment.For embodiment shown in the drawings, with same range or equivalency range of the invention in, can add various
Modification or deformation.
Industrial availability
The present invention can be effectively utilized in the child-bearing carrying appliance with folder function.
Claims (6)
1. a kind of Pushchair, characterized by comprising:
Vehicle body frame, including front foot and the rear foot, it is different with the form under folded state in unfolded state；
Front-wheel castor mechanism turn to front-wheel can, and the front-wheel castor mechanism has castor holding member and castor rotary part,
Wherein, the castor holding member is arranged at the lower end of the front foot, and the castor rotary part is with can be to upper and lower
The mode rotated around to the rotation axis of extension is kept by the castor holding member and axis supports the front-wheel；
Castor locking part is arranged at the castor holding member, and the castor rotary part is limited on locking position
The rotation of the castor rotary part is allowed in rotation on releasing position；
Elastomeric element, by the castor locking part from the locking position to the releasing location bias；
Action component is that one end connects the castor locking part, the other end is arranged at the component of the vehicle body frame, passes through
It is abutted from the unfolded state metamorphosis to the metamorphosis part of the vehicle body frame of the folded state described another
End, makes the castor locking part be located at the locking position with resisting the bias force of the elastomeric element；
The action component includes the connecting rod that extends upwards from the castor locking part and connects the upper of above-mentioned connecting rod
End, the front foot movable member that the front foot is arranged in a manner of variable bit；
The front foot movable member is compressed to lower position by abutting the metamorphosis part, is made by the connecting rod
The castor locking part is located at the locking position.
2. Pushchair as described in claim 1, which is characterized in that the form that the rear foot passes through the vehicle body frame
Change close to the front foot；The front foot movable member is pressed down by abutting as the rear foot of the metamorphosis part
To the lower position, the castor locking part is set to be located at the locking position by the connecting rod.
3. Pushchair as described in claim 1, which is characterized in that
The vehicle body frame further includes the armrest member for being set to the side of child seat seat；
The armrest member is by the metamorphosis of the vehicle body frame close to the front foot；
The front foot movable member by abut become the metamorphosis part the armrest member be compressed to it is described under
Orientation is set, and so that the castor locking part is located at the locking position by the connecting rod.
4. Pushchair as described in claim 1, which is characterized in that
The vehicle body frame further includes the slide unit slided along the front foot；
The slide unit slides downwards movement by the metamorphosis of the vehicle body frame；
The front foot movable member by abut become the metamorphosis part the slide unit be compressed to it is described under
Orientation is set, and so that the castor locking part is located at the locking position by the connecting rod.
5. Pushchair as described in claim 1, which is characterized in that
The vehicle body frame further includes the portions support stick for being arranged on the side of child seat seat；
The portions support stick is by the metamorphosis of the vehicle body frame close to the front foot；
The front foot movable member is compressed to described by the portions support stick that abutting becomes the metamorphosis part
Lower position makes the castor locking part be located at the locking position by the connecting rod.
6. Pushchair as described in claim 1, which is characterized in that
The vehicle body frame further includes the frame parts that the front foot is connected to by rotary shaft；
The frame parts is rotated centered on the rotary shaft by the metamorphosis of the vehicle body frame and close to described
Front foot；
The front foot movable member by abut become the metamorphosis part the frame parts be compressed to it is described under
Orientation is set, and so that the castor locking part is located at the locking position by the connecting rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014027728A JP6209100B2 (en) | 2014-02-17 | 2014-02-17 | Folding baby carriage |
| JP2014-027728 | 2014-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104843043A CN104843043A (en) | 2015-08-19 |
| CN104843043B true CN104843043B (en) | 2019-02-19 |
Family
ID=53843134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015474.8A Expired - Fee Related CN104843043B (en) | 2014-02-17 | 2015-01-13 | Pushchair |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6209100B2 (en) |
| CN (1) | CN104843043B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197087B (en) * | 2015-09-06 | 2017-10-10 | 好孩子儿童用品有限公司 | Children trolley |
| CN107380243B (en) * | 2017-07-13 | 2023-12-01 | 中山市泽泰日用制品有限公司 | Folding handcart easy to fold |
| CN108216342B (en) * | 2018-01-31 | 2023-09-08 | 中山市宝隆婴童用品有限公司 | Baby carriage framework and folding baby carriage |
| GB2595735B (en) * | 2020-06-05 | 2022-05-25 | Mamas & Papas Ltd | A foldable pushchair |
| GB2603405B (en) * | 2020-06-05 | 2023-02-08 | Mamas & Papas Ltd | A foldable pushchair |
| GB2611900B (en) * | 2020-06-05 | 2023-12-13 | Mamas & Papas Holdings Ltd | A foldable pushchair |
| CN114802403A (en) * | 2021-01-22 | 2022-07-29 | 明门(中国)幼童用品有限公司 | Baby carriage |
| CN112849250B (en) * | 2021-01-26 | 2024-01-23 | 徐江林 | Baby carriage joint |
| CN116897122A (en) * | 2021-03-23 | 2023-10-17 | 康贝株式会社 | Baby carriage |
| CN117341795A (en) * | 2022-07-05 | 2024-01-05 | 明门(中国)幼童用品有限公司 | Wheel orientation mechanism, foldable frame and baby carriage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3506077A1 (en) * | 1984-02-22 | 1985-08-22 | L'Inglesina Baby di L. Tomasi, Tavernelle di Altavilla, Vicenza | Wheel frame for children's prams |
| CN87106144A (en) * | 1986-09-02 | 1988-03-30 | 阿普丽佳葛西有限公司 | Perambulator |
| CN1377801A (en) * | 2001-03-23 | 2002-11-06 | 宫比株式会社 | Baby carriage |
| CN103359144A (en) * | 2012-03-27 | 2013-10-23 | 爱普力卡幼儿产品株式会社 | Foldable baby carriage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63184567A (en) * | 1986-09-02 | 1988-07-30 | アップリカ葛西株式会社 | Baby carriage |
| JP5166071B2 (en) * | 2008-02-28 | 2013-03-21 | エビスファニチャー株式会社 | Caster locking mechanism and folding table |
| JP5889551B2 (en) * | 2011-06-27 | 2016-03-22 | アップリカ・チルドレンズプロダクツ合同会社 | baby carriage |
| JP5766772B2 (en) * | 2013-11-15 | 2015-08-19 | コンビ株式会社 | stroller |
-
2014
- 2014-02-17 JP JP2014027728A patent/JP6209100B2/en active Active
-
2015
- 2015-01-13 CN CN201510015474.8A patent/CN104843043B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3506077A1 (en) * | 1984-02-22 | 1985-08-22 | L'Inglesina Baby di L. Tomasi, Tavernelle di Altavilla, Vicenza | Wheel frame for children's prams |
| CN87106144A (en) * | 1986-09-02 | 1988-03-30 | 阿普丽佳葛西有限公司 | Perambulator |
| CN1377801A (en) * | 2001-03-23 | 2002-11-06 | 宫比株式会社 | Baby carriage |
| CN103359144A (en) * | 2012-03-27 | 2013-10-23 | 爱普力卡幼儿产品株式会社 | Foldable baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104843043A (en) | 2015-08-19 |
| JP6209100B2 (en) | 2017-10-04 |
| JP2015151050A (en) | 2015-08-24 |
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Address after: Tokyo, Japan Patentee after: Newell brand Japan contract Association Address before: Osaka Japan Patentee before: APRICA CHILDREN'S PRODUCTS G.K. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |