CN106608276A - Baby carriage - Google Patents
Baby carriage Download PDFInfo
- Publication number
- CN106608276A CN106608276A CN201610681693.4A CN201610681693A CN106608276A CN 106608276 A CN106608276 A CN 106608276A CN 201610681693 A CN201610681693 A CN 201610681693A CN 106608276 A CN106608276 A CN 106608276A
- Authority
- CN
- China
- Prior art keywords
- castor
- wheel
- wire rod
- trailing wheel
- switching member
- 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.)
- Granted
Links
- 235000004443 Ricinus communis Nutrition 0.000 claims description 248
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract 2
- 238000009432 framing Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a baby carriage and to an automatic four-wheel switching mechanism which is more compact than the prior art. The caster includes a front wheel caster mechanism, a rear wheel caster mechanism, a front wheel casters locking member, a rear wheel casters locking member, and a front wheel connecting one end side of the front wheel caster locking member, one end of which is connected to the rear wheel caster locking member. A rear wheel wire is connected with the other end of the front wheel wire and the caster lock switching member at the other end of the rear wheel wire, the caster lock switching member being axially supported in the vehicle body frame and being rotatable in the forward and reverse directions, the caster lock switching member including the front and a rear wheel wire take-up portion, wherein the front wheel wire winding portion is provided at one end in the axial direction and is wound in the forward direction and the other end of the front wheel wire is wound in the reverse direction and the rear wheel wire winding portion is provided at the other end portion in the axial direction and is wound in the opposite direction and the other end portion of the rear wheel wire member is wound in the forward direction.
Description
Technical field
The present invention relates to a kind of forward foot in a step and the rear foot are respectively including the perambulator of castor, more particularly to a kind of liberation travel direction
The castor of front side makes it to change direction and locks the castor on rear side of travel direction to make the technology in its immutable direction.
Background technology
In general, perambulator is that the back side promotes, and sits in the direction of infant in perambulator and the traveling of perambulator
Direction is consistent.But, in perambulator, there is also the travel direction of perambulator and the direction of the infant sat in perambulator
The type that contrary opposite promotes.And, also existing can joltily arrange in front-rear direction push rod (the also referred to as hand of perambulator
Push rod, handle), allow hand over the back side promote and opposite promote perambulator.
In the perambulator that the back side promotes and opposite promotes is allowed hand over, it may be desirable to：Front wheels and rear wheels are castor,
The wheel that making the wheel on front side of travel direction becomes on rear side of castor opening (can change direction), travel direction becomes castor locking
(change direction can not).When desired castor is locked, the protection people of the operator of perambulator, namely infant passes through hand
It is dynamic individually to operate the castor locking of each wheel more numerous and diverse.Here, it is known that existing so-called automatic four wheel mechanism, i.e. perambulator
Operator make it to change direction or immutable direction without the castor for specially operating each wheel, but with push rod before and after
Make the wheel on front side of travel direction automatically become castor freedom, the wheel on rear side of travel direction automatically becomes castor position linkage
Locking.
As including a pair of forward foot in a step, a pair of rear feet, before being arranged in the perambulator of the castor of each pin, liberating travel direction
The castor Wheels of side makes it to change direction, the castor Wheels on rear side of locking travel direction and makes automatic four turbine in its immutable direction
Structure, has known the technology for having that for example No. 5199113 publications (patent document 1) of Japanese Patent Publication No. are disclosed.Fig. 8 tables of patent document 1
The pulley rotated together with handle is shown.Cross in pulley center it is relative to position be connected to one end of each lead.
And, by swing handle, rolling out each lead makes it relax respectively, or batching each lead makes it stretch respectively, thereby, it is possible to change
Become the position of the locking component of each wheel.
Prior art literature
Patent document 1：No. 5199113 publications of Japanese Patent Publication No.
The content of the invention
(the invention technical problem to be solved)
But, the pulley of above-mentioned existing perambulator can produce the problem of following explanation.That is, it is being separated by the center phase of pulley
To position on, be connected to one end of each lead, therefore, rolling out for each lead and batches length less than pulley at length
Half cycle.Therefore, patent document 1 length and batches length in order to ensure rolling out for each lead, it is necessary to increase the diameter of pulley.So
One, will become more substantially, to damage the attractive in appearance of perambulator in the overall outward appearance middle pulley of perambulator.
The present invention in view of the above-mentioned problems, its object is to provide a kind of automatic four round cut than prior art smallerization
Converting mechanism.
(solving the means of technical problem)
For above-mentioned purpose, the premise of the perambulator of the present invention is to include：Body shell, it includes the forward foot in a step and the rear foot；Before
Wheel castor mechanism, it has front-wheel castor holding member and front-wheel castor revolving member, wherein, front-wheel castor holding member is fixed
In the bottom of the forward foot in a step, front-wheel castor revolving member can be surrounded and extended to the above-below direction of the front-wheel castor holding member
Rotation axis be rotationally kept and axle supports front-wheel, front-wheel castor mechanism that the front-wheel can be made to change direction；Front-wheel castor
Locking component, it is arranged on front-wheel castor holding member, and in latched position the rotation of front-wheel castor revolving member is limited, and is opening
Allow the rotation of front-wheel castor revolving member in position；Front-wheel wire rod, it extends along the forward foot in a step, before the side connection of front-wheel wire rod
Wheel castor locking component；Trailing wheel castor mechanism, it has trailing wheel castor holding member and trailing wheel castor revolving member, wherein, after
Wheel castor holding member is fixed on the bottom of the rear foot, and trailing wheel castor revolving member can be surrounded to the trailing wheel castor holding member
The rotation axis that extends of above-below direction be rotationally kept and axle supports trailing wheel, trailing wheel castor mechanism can make trailing wheel change side
To；Trailing wheel castor locking component, it is arranged on trailing wheel castor holding member, and in latched position trailing wheel castor revolving member is limited
Rotate, in release position the rotation of trailing wheel castor revolving member is allowed；Trailing wheel wire rod, it extends along the rear foot, trailing wheel wire rod
One side connects trailing wheel castor locking component；And castor locking switching member, the other end and trailing wheel of its connection front-wheel wire rod
The other end of wire rod.Castor locking switching member is pivotally supported on body shell and can rotate to positive direction and opposite direction, castor
Locking switching member includes front-wheel wire rod reeling end and trailing wheel wire rod reeling end, wherein, front-wheel wire rod reeling end is arranged on axis
Direction one end simultaneously can be batched to positive direction and roll out the other end of front-wheel wire rod to opposite direction, and trailing wheel wire rod reeling end is arranged
Can batch in axis direction the other end and to opposite direction and roll out the other end of trailing wheel wire rod to positive direction.
According to the present invention, front-wheel wire rod reeling end and trailing wheel wire rod reel-up open the side that is configured in pivot center and another
One side, because front-wheel wire rod reeling end only batches front-wheel wire rod, thus, it is not necessary to formed to further batch trailing wheel wire rod
Major diameter.Therefore, compared with existing pulley, the minor diameter of front-wheel wire rod reeling end can be realized.Similarly, due to rear
Wheel wire rod reeling end only batches trailing wheel wire rod, thus, it is not necessary to form major diameter to further batch front-wheel wire rod.Cause
This, compared with existing pulley, can realize the minor diameter of trailing wheel wire rod reeling end.As a result, can realize that castor is locked
Determine the miniaturization of switching member.Additionally, one end of front wheels and rear wheels wire rod can be directly connected to front wheels and rear wheels castor locking component,
Or also can indirectly connect front wheels and rear wheels castor locking component by connecting rod or other components.
Used as one embodiment of the present invention, castor locking switching member is also included along the castor and locks switching member
Pivot center extend and body shell described in insertion axle portion, front-wheel wire rod reeling end is than the axle portion larger diameter and ties
One end of the axle portion is closed, trailing wheel wire rod reeling end is than the axle portion larger diameter and with reference to the other end of the axle portion.Root
According to the embodiment, castor locking switching member can be made straight greatly in the range of the frame cross section size less than body shell
Footpath, it is ensured that front-wheel wire rod and trailing wheel wire rod batch length.As other embodiment, axle portion can be also made than front-wheel wire coil
Take portion or trailing wheel wire rod reeling end has larger diameter, or alternatively identical diameter.
As the connecting portion and trailing wheel line of the preferred embodiment of the present invention, front-wheel wire rod and castor locking switching member
The connecting portion of material and castor locking switching member is housed in the shell for being formed at body shell.According to the embodiment, can
The reeling end for making front wheels and rear wheels wire rod does not expose to outside, it is ensured that security.
The posture that castor locks switching member is not particularly limited, but as the preferred embodiment of the present invention, pin
The axis of wheel locking switching member extends to the overall width direction of body shell.According to the embodiment, can sleekly batch or
Roll out from castor after locking the front-wheel wire rod that extends forwards of switching member and rearward extending from castor locking switching member
Wheel wire rod.Used as other embodiment, pivot center can also extend to the fore-and-aft direction of perambulator.
Automatically four wheel mechanism preferably switches castor locking with the position linkage of push rod and castor is opened.As the present invention's
One embodiment, body shell is also included optionally in the back side pushing position Jie Jin the rear foot or Jie Jin the forward foot in a step
The push rod conjugated between the pushing position of opposite, castor locking switching member also includes the engaged part engaged with push rod, from the back side
Pushing position is switched to the push rod of opposite pushing position and is rotated to opposite direction by the engaging with engaged part, castor locking switching
Component batches trailing wheel wire rod and while roll out front-wheel wire rod, trailing wheel castor locking component is located at release position and while is made front-wheel
Castor locking component is located at the latched position, or, the push rod for switching to back side pushing position from opposite pushing position passes through
Engaging with engaged part to positive direction is rotated, and castor locking switching member batches front-wheel wire rod and while rolls out the trailing wheel line
Material, makes front-wheel castor locking component be located at release position and while makes trailing wheel castor locking component be located at latched position.According to this
Embodiment, even if the operator of perambulator does not operate to castor locking switching member, it is also possible to carry out rear caster automatically
Wheel is open and front-wheel castor is locked.As other embodiment, including optionally over there pushing position or the back side promote position
Switching member beyond the push rod switched between putting, can also make the engaged of the switching member engaging castor locking switching member
Portion.
Or, it is also possible to make from the opposite pushing position push rod that rearwardly pushing position switches by the card with engaged part
Close and rotated to positive direction, castor locking switching member batches front-wheel wire rod and while roll out trailing wheel wire rod, so that front-wheel castor
Locking component is located at release position and makes trailing wheel castor locking component be located at latched position simultaneously.
Used as the preferred embodiment of the present invention, engaged part is provided in outside the overall width direction of castor locking switching member
Side simultaneously covers the lid that castor locks the inside of switching member.According to the embodiment, can realize that push rod and castor locking are cut
The engaging of component is changed, and the internal structure that castor locks switching member can be covered.It is accordingly possible to ensure security.
As the preferred embodiment of the present invention, also including making castor lock switching member to turn direction or reverse turn
The spring of direction biasing.According to the embodiment, even if not engaging the reasons such as engaged part due to push rod, castor locking is cut
Change in the case that component cannot be rotated by other components to positive direction or opposite direction, it is also possible to make castor locking switching structure
Part is automatically rotated to positive direction or opposite direction.
(invention effect)
According to the present invention, as described above, it is possible to make the castor locking switching member miniaturization for batching wire rod.Therefore, wire rod
Spooler will not be noticeable, the overall outward appearance of perambulator can be improved.
Description of the drawings
Fig. 1 is the side view of the basic structure for showing schematically perambulator；
Fig. 2 is the side view of the basic structure for showing schematically perambulator；
Fig. 3 is that castor is locked into the partial side elevation view that switching member is represented together with body shell；
Fig. 4 is that castor is locked into the partial perspective view that switching member is represented together with body shell；
Fig. 5 is that castor is locked into the exploded perspective view that switching member is represented together with body shell；
Fig. 6 is that castor is locked into the longitudinal section that switching member is represented together with body shell；
Fig. 7 is that castor is locked into the front view that switching member is represented together with body shell；
Fig. 8 A are to represent the side view that switching member is locked with the castor that push rod does not engage；
Fig. 8 B are to represent the cross-sectional view for making front-wheel castor become open state；
Fig. 8 C are the cross-sectional views of the state for representing locking trailing wheel castor；
Fig. 9 A are to represent that the castor engaged with push rod locks the side view of switching member；
Fig. 9 B are the cross-sectional views of the state for representing locking front-wheel castor；
Fig. 9 C are to represent the cross-sectional view for making trailing wheel castor become open state.
Description of reference numerals：
10th, perambulator
11st, body shell
12nd, the forward foot in a step
13rd, the rear foot
13c, cylinder element
13s, 13t, circular housing
13u, positive direction retainer
13v, opposite direction retainer
14th, front-wheel castor mechanism
15th, trailing wheel castor mechanism
16th, front-wheel castor holding member
17th, trailing wheel castor holding member
18th, front-wheel
19th, trailing wheel
20th, front-wheel castor revolving member
21st, trailing wheel castor revolving member
22nd, front-wheel castor locking component
23rd, trailing wheel castor locking component
24th, front-wheel wire rod
25th, trailing wheel wire rod
29th, push rod
30th, castor locking switching member
31st, seat supporting member
32nd, handrail
33rd, framing component
34th, front-wheel wire rod reeling end
35th, trailing wheel wire rod reeling end
36th, outboard cover
37th, inside cover
38th, axle portion
39th, engaged part
44th, 45, wire rod pipe
F, release position
L, latched position
O, axis (pivot center).
Specific embodiment
Hereinafter, embodiments of the present invention are described in detail with reference to the accompanying drawings.Fig. 1 and Fig. 2 are the bases for showing schematically the present invention
The side view of this structure, with the left side of paper as the front of infant's seat, represents from infant's seat of perambulator
The state of left sides.In FIG, the back side pushing position that push rod is located behind, in fig. 2, push rod is located at the opposite in front
Pushing position.Perambulator 10 includes that body shell 11, front-wheel castor mechanism 14, trailing wheel castor mechanism 15, push rod 29 are led as it
Want component.
Body shell 11 includes the forward foot in a step 12, rear foot 13, seat supporting member 31, handrail 32, framing component 33, (not shown)
The back rest supports component of overall width direction component and reverse " U " font (not shown).In the framing component of these body shells 11
The forward foot in a step 12, the rear foot 13, seat supporting member 31, handrail 32 and framing component 33 are in overall width direction of perambulator 10 or so point
Turn up the soil and be organized in pairs.These a pair framing components are connected with each other and are constituted the frame shown in Fig. 1 and Fig. 2 by overall width direction component
Body (body shell 11).Infant's seat (not shown) is installed in the body shell 11 for forming three-dimensional framework.At this moment, a pair
Seat supporting member 31 support infant's seat with regard to portions.Framing component 33 vertically extends, supporting armrests 32.
The forward foot in a step 12 vertically extends in the front side of perambulator 10, and the upper end of the forward foot in a step 12 connects to before and after perambulator 10
The front end of the handrail 32 that direction extends.The rear foot 13 vertically extends in the rear side of perambulator 10, the upper end of the rear foot 13 than
The position at the upper end of the forward foot in a step 12 more rear connects the front end area of handrail 32.The rearward end connection of handrail 32 vertically extends
Framing component 33 upper end.
Observe from the overall width direction of perambulator 10, in the configuration of " Ha " font ground, its upper end is each other for the forward foot in a step 12 and the rear foot 13
It is close to and its bottom is separated from one another.In the position than handrail 32 further below, the fore-and-aft direction for configuring oriented perambulator 10 extends
Seat supporting member 31.The leading section of seat supporting member 31 connects the central portion of the forward foot in a step 12.After seat supporting member 31
End connects central portion, the bottom of push rod 29, the bottom of framing component 33 of the rear foot 13.Push rod 29 can shake in front-rear direction
It is arranged on body shell 11 pendulum, can cuts between the opposite pushing position shown in the back side pushing position and Fig. 2 shown in Fig. 1
Change.Specifically, in the position configuration swinging shaft 29c adjacent with the rear foot 13.Swinging shaft 29c to overall width direction extends, and can turn
Connect the bottom of push rod 29 dynamicly.
Front-wheel castor mechanism 14 is arranged on the bottom of the forward foot in a step 12.Front-wheel castor mechanism 14 have be fixed under the forward foot in a step 12
The front-wheel castor holding member 16 of end and be configured in front-wheel castor holding member 16 downside front-wheel castor revolving member 20.
Front-wheel castor revolving member 20 can surround the rotation axis for vertically extending and rotationally be maintained at front-wheel castor holding structure
Part 16, axle supports front-wheel 18.Thus, front-wheel castor revolving member 20 enables front-wheel 18 to change direction.
Trailing wheel castor mechanism 15 is arranged on the bottom of the rear foot 13.Identically with front-wheel castor mechanism 14, trailing wheel castor machine
Structure 15 also has the trailing wheel castor holding member 17 of the bottom for being fixed on the rear foot 13 and around turning for vertically extending
Shaft line is rotationally maintained at trailing wheel castor holding member 17 and axle supports the trailing wheel castor revolving member 21 of trailing wheel 19, makes
Trailing wheel 19 can change direction.
Front-wheel castor holding member 16 is provided with front-wheel castor locking component 22 and spring 26.Front-wheel castor locking component
22 can be downwards latched position and top release position in any one party displacement.Front-wheel castor locking component 22 is in lock
Positioning is put the past wheel castor holding member 16 as illustrated in fig. 2 and is projected downwards, is engaged with front-wheel castor revolving member 20.By
This, front-wheel castor locking component 22 limits front-wheel castor revolving member 20 and rotates around rotation axis.In addition, the locking of front-wheel castor
Component 22 is accommodated in as illustrated in fig. 1 front-wheel castor holding member 16 on release position, with front-wheel castor revolving member 20
Do not engage.Thus, front-wheel castor locking component 22 allows that front-wheel castor revolving member 20 is rotated around rotation axis.Spring 26 makes
Front-wheel castor locking component 22 is biased downwards.
In trailing wheel castor holding member 17, trailing wheel castor locking component 23 and spring 27 are set.Trailing wheel castor locking component 23
Any one party displacement in the release position of latched position that can be downwards and top, in the locking position as illustrated in fig. 1
The rotation of trailing wheel castor revolving member 21 is limited, trailing wheel castor revolving member 21 is allowed as illustrated in fig. 2 on release position
Rotate.Spring 27 makes trailing wheel castor locking component 23 bias downwards with the power more higher than spring 26.
Front-wheel wire rod 24 and trailing wheel wire rod 25 are provided with the variable bit of body shell 11.Front-wheel wire rod 24 passes sequentially through pipe
Inside the forward foot in a step 12 of shape, handrail 32, the rear foot 13 of tubulose.One end of front-wheel wire rod 24 is in the inside of front-wheel castor holding member 16
Connection front-wheel castor locking component 22.Inside connection castor locking switching member of the other end of front-wheel wire rod 24 in the rear foot 13
30.The rear foot 13 of the trailing wheel wire rod 25 through tubulose.One end of trailing wheel wire rod 25 connects in the inside of trailing wheel castor holding member 17
Trailing wheel castor locking component 23.Inside connection castor locking switching member 30 of the other end of trailing wheel wire rod 25 in the rear foot 13.Before
Wheel wire rod 24 and trailing wheel wire rod 25 are to bend metal rope freely.
Fig. 3 is to lock the side view of switching member with the common enlarged representation castor of the rear foot, is represented from the overall width side of perambulator
The state observed to the left.Fig. 4 is that castor is locked into the partial perspective view that switching member is represented together with body shell.Fig. 5 is
Castor is locked into the exploded perspective view that switching member is represented together with body shell.Fig. 6 is that castor is locked into switching member and car
The longitudinal section that body framework is represented together.Castor locking switching member 30 is kept by body shell 11, to extend to overall width direction
Pivot center O (below, only claiming its " axes O ") centered on, can rotate to positive direction and opposite direction.
Castor locks switching member 30 and extends along axes O, comprising the front-wheel wire coil for being arranged on axes O direction one end
Take portion 34 and be arranged on the trailing wheel wire rod reeling end 35 of axes O direction the other end.Prolong in axes O to the overall width direction of perambulator 10
Stretch.As shown in figure 5, front-wheel wire rod reeling end 34 is housed in the circular housing 13s on the outside of the overall width direction for being formed at the rear foot 13.
Trailing wheel wire rod reeling end 35 is housed in the circular housing 13t on the inside of the overall width direction for being formed at the rear foot 13.
Front-wheel wire rod reeling end 34 inside it have become center of rotation central part 34c and from central part 34c to
The wire rod connecting portion 34r that external diameter direction projects.Circular hole 34h is formed with wire rod connecting portion 34r.Circular hole 34h is maintained as cylinder
The front-wheel wire rod other end 24n of shape.When front-wheel wire coil takes portion 34 to be rotated to positive direction, front-wheel wire rod 24 is along central part
The periphery of 34c is taken up.On the other hand, when front-wheel wire coil takes portion 34 to be rotated to opposite direction, roll up on central part 34c
Front-wheel wire rod 24 is unwrapped.Relevant this point will be described below detailed description.
Front-wheel wire rod 24 of the volume on central part 34c, wire rod connecting portion 34r and central part 34c is from the outside of overall width direction
Covered by outboard cover 36.Therefore, the inside of front-wheel wire rod reeling end 34 will not expose to overall width direction outside.Outboard cover 36 is circle
Shape, is combined into one with front-wheel wire rod reeling end 34, rotates together with front-wheel wire rod reeling end 34.Outboard cover 36 be provided with
The engaged part 39 of the engaging of push rod 29.Be configured in be provided with closer to the push rod 29 on the outside of overall width direction than engaged part 39 it is prominent
Play 29p.Projection 29p is prominent to overall width direction inner side, can engage with engaged part 39.
Engaged part 39 is to make the part in the circular end face of outboard cover 36 to the sagging height for being formed in overall width direction inner side
Low poor face, it is towards perambulator rear.When opposite pushing position movement of the push rod 29 from the back side pushing position at rear forwards
When, the close outboard cover 36 of push rod 29, projection 29p engaging engaged part 39 simultaneously gives its torque, makes castor lock switching member 30
Rotate.Relevant this point will be described below detailed description.
Trailing wheel wire rod reeling end 35 similarly have becomes the central part 35c of center of rotation, from central part 35c to external diameter
Wire rod connecting portion 35r, circular hole 35h that direction projects.Circular hole 35h is maintained as the trailing wheel wire rod other end 25n of cylindrical shape.But
It is that trailing wheel wire rod 25 is batched and rolled out to trailing wheel wire rod reeling end 35 to the rotation direction contrary with front-wheel wire rod reeling end 34.
Relevant this point will be described below detailed description.
Trailing wheel wire rod reeling end 35 is covered from overall width direction inner side by inside cover 37.Therefore, trailing wheel wire rod reeling end 35
Inside will not expose to infant's seat.Inside cover 37 is fixed on the surface of the rear foot 13, will not be with front-wheel wire rod reeling end
34 rotate together.Thus, lid will cover and cover the trailing wheel wire rod reeling end 35 positioned at close infant with the side position of seat one.
Front-wheel wire rod reeling end 34 and trailing wheel wire rod reeling end 35 are discoideus.Castor locking switching member 30 also includes axle
Portion 38.Axle portion 38 extends along axes O, and insertion is arranged on the centre bore of the cylinder element 13c of the rear foot 13.
Axle portion 38a is centrally formed with front-wheel wire rod reeling end 34.In being centrally formed with for trailing wheel wire rod reeling end 35
Axle portion 38b.Overall width direction outside insertion axle portion 38a from the both ends open of cylinder element 13c, from the car of cylinder element 13c
Open mouths insertion axle portion 38b of side in cross direction, the top for making axle portion 38a, 38b for being collectively forming concaveconvex shape connects relative to one another
Connect, thus, axle portion 38a and axle portion 38b mutually un-rotatably engage and constitute axle portion 38.Therefore, the side knot of axle portion 38
Front-wheel wire rod reeling end 34 is closed, another side combines trailing wheel wire rod reeling end 35.The head engaging outboard cover 36 of rivet 42, rivet
42 apex zone successively insertion outboard cover 36, front-wheel wire rod reeling end 34, axle portion 38, trailing wheel wire rod reeling end 35 and by these
It is connected component coaxial.Thus, front-wheel wire rod reeling end 34 and trailing wheel wire rod reeling end 35 are connected by axle portion 38.
Additionally, the top ends of rivet 42 are formed through the through hole 37h at the center of inside cover 37, and it is prominent to overall width direction inner side.
The periphery of axle portion 38a is provided with torsion spring 40.Torsion spring 40 is housed in the inside of central part 34c.One end of torsion spring 40
Engage with the circular housing 13s of the rear foot 13, the other end of torsion spring 40 engages with the central part 34c of front-wheel wire rod reeling end 34.By
This, torsion spring 40 makes front-wheel wire rod reeling end 34 bias to circumferencial direction.
In addition, being provided with torsion spring 41 in the periphery of axle portion 38b.Torsion spring 41 is housed in the inside of central part 35c.Torsion spring 41
One end engages with the circular housing 13t of the rear foot 13, the other end of torsion spring 41 and the central part 35c cards of trailing wheel wire rod reeling end 35
Close.Thus, torsion spring 41 makes trailing wheel wire rod reeling end 35 bias to circumferencial direction.
First, the situation of the back side pushing position (Fig. 1) that push rod 29 is located behind is illustrated.
Fig. 7 is that castor is locked into the front view that switching member is represented together with body shell, is represented from before and after perambulator
The state of direction observation.Fig. 8 A are to represent that the castor not engaged with push rod locks the side view of switching member, are represented from Fig. 7
The state of A directions (overall width direction outside) observation.Fig. 8 B are to represent the cross-sectional view for making front-wheel castor become open state, are represented
Observe with the state in the section of the B-B cut-outs in Fig. 7 from the direction of arrow.Fig. 8 C be represent locking trailing wheel castor state it is transversal
Face figure, represents from the direction of arrow and observes with the state in the section of the C-C cut-outs in Fig. 7.Fig. 8 A～Fig. 8 C represent same state.
As back side pushing position (Fig. 1) that push rod 29 is located behind, castor locking switching is left at push rod 29 to more rear
Component 30, will not engage as projection 29p of holding section with engaged part 39.Castor locking switching member 30 by torsion spring 40,
41 bias as shown in Fig. 8 A～Fig. 8 C to positive direction.And, the wire rod connecting portion 34r of castor locking switching member 30 abuts shape
Into the positive direction retainer 13u of the inner peripheral surface in circular housing 13s, limit castor and lock the turning to positive direction of switching member 30
It is dynamic.As shown in Figure 8 B, front-wheel wire rod 24 is batched by front-wheel wire rod reeling end 34, the front caster being connected with one end of front-wheel wire rod 24
Wheel locking component 22 release position F above.Allow that front-wheel castor revolving member 20 changes direction as castor.
On the other hand, trailing wheel wire rod 25 is rolled out from trailing wheel wire rod reeling end 35, is connected with one end of trailing wheel wire rod 25
Underlying latched position L of trailing wheel castor locking component 23.Trailing wheel castor revolving member 21 is forbidden to change direction as castor.
Thus, as back side pushing position (Fig. 1) that push rod 29 is located behind, even if the operator of perambulator 10 does not operate castor to lock
Switching member 30, it is also possible to automatically carry out front-wheel castor and open and the locking of trailing wheel castor.
Additionally, the insertion wire rod pipe 44 of front-wheel wire rod 24, sleekly retreats in wire rod pipe 44.One end of wire rod pipe 44 is fixed
In front-wheel castor holding member 16, the other end of wire rod pipe 44 is fixed on is formed in the interior of circular housing 13s as shown in Figure 8 B
The opposite direction retainer 13v that week and radially inward are projected.Draw simultaneously from the other end of wire rod pipe 44 end of front-wheel wire rod 24
Extend, be installed on wire rod connecting portion 34r.
The similarly insertion wire rod pipe 45 of trailing wheel wire rod 25, sleekly retreats in wire rod pipe 45.One end of wire rod pipe 45
Trailing wheel castor holding member 17 is fixed on, the other end of wire rod pipe 45 is fixed on is formed in the interior of inside cover 37 as shown in Figure 8 C
Maintaining part 37b of wall.The end of trailing wheel wire rod 25 is drawn and is extended from the other end of wire rod pipe 45, is installed on wire rod connecting portion
35r.Additionally, can also omit wire rod pipe 44,45.
Then, illustrate that push rod 29 is located at the situation of the opposite pushing position (Fig. 2) in front.
Fig. 9 A are to represent that the castor engaged with push rod locks the side view of switching member, represent the A directions (car from Fig. 7
Cross direction outside) observation state.Fig. 9 B are the cross-sectional views of the state for representing locking front-wheel castor, represent from the direction of arrow and see
Examine with the state in the section of the B-B cut-outs in Fig. 7.Fig. 9 C are to represent the cross-sectional view for making trailing wheel castor become open state,
Represent from the direction of arrow and observe with the state in the section of the C-C cut-outs in Fig. 7.Fig. 9 A～Fig. 9 C represent same state.
When push rod 29 is located at opposite pushing position (Fig. 2) in front, push rod 29 is from the close castor locking switching structure in rear
Part 30, the projection 29p engaging engaged part 39 of push rod 29.And, push rod 29 pushes engaged part 39, resists torsion spring 40,41
Bias force simultaneously makes castor lock switching member 30 to opposite direction rotation (Fig. 9 A).Even if additionally, castor locking switching member 30 is intended to
Exceedingly rotate to opposite direction, the wire rod connecting portion 34r of castor locking switching member 30 is abutted and is formed in the interior of circular housing 13s
The opposite direction retainer 13v of side face, prevents castor locking switching member 30 from exceedingly rotating to opposite direction.As shown in Figure 9 B, it is front
Wheel wire rod 24 takes portion 34 and rolls out from front-wheel wire coil, and the front-wheel castor locking component 22 being connected with one end of front-wheel wire rod 24 is located at
Latched position L of lower section.Front-wheel castor revolving member 20 is forbidden to change direction as castor.
On the other hand, trailing wheel wire rod 25 is batched by trailing wheel wire rod reeling end 35, is connected with one end of trailing wheel wire rod 25
Trailing wheel castor locking component 23 release position F above.Allow that trailing wheel castor revolving member 21 changes direction as castor.
Thus, when push rod 29 is located at opposite pushing position (Fig. 2) in front, even if the operator of perambulator 10 does not operate castor to lock
Switching member 30, it is also possible to automatically carry out trailing wheel castor and open and the locking of front-wheel castor.
But according to present embodiment, the castor locking axle of switching member 30 be supported in body shell 11 and can to positive direction with
Opposite direction is rotated, as illustrated in fig. 6, comprising front-wheel wire rod reeling end 34 and trailing wheel wire rod reeling end 35, wherein, the front-wheel wire rod
Reeling end 34 is arranged on axes O direction one end, can batch the other end of front-wheel wire rod 24 to positive direction and to opposite direction
Roll out, the trailing wheel wire rod reeling end 35 be arranged on axes O direction the other end, can be by the other end of trailing wheel wire rod 25 to negative side
To batching and roll out to positive direction.Like this, because front-wheel wire rod reeling end 34 only batches front-wheel wire rod 24, thus, it is not necessary to
Major diameter is formed to further batch trailing wheel wire rod 25.Therefore, compared with existing pulley, front-wheel wire rod can be realized
The minor diameter of reeling end 34.Similarly, because trailing wheel wire rod reeling end 35 only batches trailing wheel wire rod 25, thus, it is not necessary to be
Further batch front-wheel wire rod 24 and form major diameter.Therefore, with existing pulley Xiang Bi More, trailing wheel wire coil can be realized
Take the minor diameter in portion 35.As a result, can realize that castor locks the miniaturization of switching member 30.
In addition, according to present embodiment, castor locking switching member 30 also locks switching member 30 comprising along castor
Pivot center O extend and insertion body shell 11 axle portion 38, front-wheel wire rod reeling end 34 than the larger diameter of axle portion 38 and with
One end of axle portion 38 combines, and trailing wheel wire rod reeling end 35 is combined than the larger diameter of axle portion 38 and with the other end of axle portion.Thus,
Castor can be made in the range of the frame cross section size less than body shell 11 to lock the ever-larger diameterses of switching member 30, it is ensured that
Front-wheel wire rod 24 and trailing wheel wire rod 25 batch length.
In addition, according to the wire rod connecting portion of present embodiment, front-wheel wire rod 24 and the castor locking connection of switching member 30
34r and trailing wheel wire rod 25 and the wire rod connecting portion 35r of the castor locking connection of switching member 30 are contained in and are formed in body shell
11 circular housing 13s, 13.Thus, becoming central part 34c, 35c of the reel-up of wire rod will not expose, it can be ensured that peace
Quan Xing.The wire rod connecting portion 35r and wire rod connecting portion 34r of present embodiment is configured in different position phases centered on axes O,
But as variation (not shown), it is also possible to be configured in identical position phase.According to present embodiment, though it is not illustrated, can
Under the action midway state for batching midway of the reeling end for rolling out midway and the opposing party of the reeling end of a side, jointly with axle
Reeling line material 24,25 in circumferencial direction region centered on line O.
In addition, according to present embodiment, castor locks the overall width direction of the pivot center O of switching member 30 to body shell
Extend, thereby, it is possible to sleekly batch or roll out from castor lock the front-wheel wire rod 24 that extends forwards of switching member 30 and from
The trailing wheel wire rod 25 that castor locking switching member 30 rearward extends.
In addition, according to present embodiment, body shell 11 also includes push rod 29, the lower end axle of the push rod 29 is supported in and waves
Axle 29c, the upper end of the push rod 29 promotes position in the back side pushing position (Fig. 1) near the rear foot 13 or the opposite near the forward foot in a step 12
Put and optionally conjugated between (Fig. 2).Castor locking switching member 30 also includes the engaged part 39 engaged with push rod 29, from the back of the body
Face pushing position to the push rod 29 that opposite pushing position switches is rotated due to the engaging with engaged part 39 to opposite direction, castor
Locking switching member 30 batches trailing wheel wire rod 25 and while roll out front-wheel wire rod 24, is located at trailing wheel castor locking component 23 and opens
Position F simultaneously makes front-wheel castor locking component 22 be located at latched position L simultaneously.Thus, even if the operator of perambulator 10 does not operate
Castor locks switching member 30, it is also possible to carry out the opening of trailing wheel castor automatically and front-wheel castor is locked.
Or as variation (not shown), from opposite pushing position rearwardly pushing position switching push rod by with quilt
The engaging of holding section 39 to positive direction is rotated, and castor locking switching member 30 batches front-wheel wire rod 24 and while rolls out trailing wheel wire rod
25, make front-wheel castor locking component 22 be located at release position F and while make trailing wheel castor locking component 23 be located at latched position L.
In addition, according to present embodiment, because engaged part 39 is provided in the overall width side that castor locks switching member 30
Outside side simultaneously covers the lid that castor locks the inside of switching member 30, therefore, it is possible to realize push rod 29 with castor locking switching
The engaging of component 30, further, it is possible to cover the internal structure that castor locks switching member 30, specifically, can cover wire rod
Connecting portion 34r or central part 34c.It is accordingly possible to ensure security.
In addition, according to present embodiment, due to further including to make castor lock switching member 30 to Fig. 8 A～Fig. 8 C's
The torsion spring 40,41 of the turn direction biasing that arrow is represented, thus, even if the feelings not engaged with engaged part 39 in push rod 29
In the case that condition, such as castor locking switching member 30 cannot be rotated by push rod 29 or other components to positive direction, it is also possible to
Castor locking switching member 30 is set automatically to rotate to positive direction.
More than, embodiments of the present invention are illustrated referring to the drawings, but the present invention does not limit to shown in the drawings
Embodiment.For embodiment shown in the drawings, in the same range or equivalency range with the present invention, can add various
Modification deforms.
Industrial applicability
The perambulator of the present invention can effectively be used in Childcare apparatus.
Claims (7)
1. a kind of perambulator, including：
Body shell, it includes the forward foot in a step and the rear foot；
Front-wheel castor mechanism, it has front-wheel castor holding member and front-wheel castor revolving member, wherein, the front-wheel castor is protected
The bottom that component is fixed on the forward foot in a step is held, the front-wheel castor revolving member can be surrounded to the front-wheel castor holding member
The rotation axis that extends of above-below direction be rotationally kept and axle supports front-wheel, the front-wheel castor mechanism can make the front-wheel
Change direction；
Front-wheel castor locking component, it is arranged on the front-wheel castor holding member, and in latched position the front-wheel castor is limited
The rotation of revolving member, in release position the rotation of the front-wheel castor revolving member is allowed；
Front-wheel wire rod, it extends along the forward foot in a step, and a side of the front-wheel wire rod connects the front-wheel castor locking component；
Trailing wheel castor mechanism, it has trailing wheel castor holding member and trailing wheel castor revolving member, wherein, the trailing wheel castor is protected
The bottom that component is fixed on the rear foot is held, the trailing wheel castor revolving member can be surrounded to the trailing wheel castor holding member
The rotation axis that extends of above-below direction be rotationally kept and axle supports trailing wheel, the trailing wheel castor mechanism can make the trailing wheel
Change direction；
Trailing wheel castor locking component, it is arranged on the trailing wheel castor holding member, and in latched position the trailing wheel castor is limited
The rotation of revolving member, in release position the rotation of the trailing wheel castor revolving member is allowed；
Trailing wheel wire rod, it extends along the rear foot, and a side of the trailing wheel wire rod connects the trailing wheel castor locking component；
And
Castor locks switching member, and it connects the other end of the other end of the front-wheel wire rod and the trailing wheel wire rod；
The castor locking switching member is pivotally supported on the body shell and can rotate to positive direction and opposite direction, the pin
Wheel locking switching member includes front-wheel wire rod reeling end and trailing wheel wire rod reeling end, wherein, the front-wheel wire rod reeling end is arranged
Can batch in axis direction one end and to positive direction and roll out the other end of the front-wheel wire rod, the trailing wheel to opposite direction
Wire rod reeling end is arranged on axis direction the other end and can batch to opposite direction and roll out the trailing wheel wire rod to positive direction
The other end.
2. perambulator according to claim 1, wherein,
The castor locking switching member also extends and insertion institute comprising the pivot center that switching member is locked along the castor
The axle portion of body shell is stated,
The front-wheel wire rod reeling end than the axle portion larger diameter and with reference to one end of the axle portion,
The trailing wheel wire rod reeling end is than the axle portion larger diameter and with reference to the other end of the axle portion.
3. perambulator according to claim 1 and 2, wherein,
The connecting portion and the trailing wheel wire rod and castor locking of the front-wheel wire rod and castor locking switching member
The connecting portion of switching member is housed in the shell for being formed at body shell.
4. perambulator according to claim 1, wherein,
The axis of the castor locking switching member extends to the overall width direction of body shell.
5. perambulator according to claim 4, wherein,
The body shell is also included optionally in the back side pushing position Jie Jin the rear foot or Jie Jin the right of the forward foot in a step
The push rod conjugated between the pushing position of face,
The castor locking switching member also includes the engaged part engaged with the push rod,
From the back side pushing position push rod of the opposite pushing position is switched to by the engaging with engaged part
Rotate to opposite direction, castor locking switching member batches the trailing wheel wire rod and while roll out the front-wheel wire rod, makes institute
Trailing wheel castor locking component is stated positioned at the release position and while makes the front-wheel castor locking component be located at the locking bit
Put,
Or, from the opposite pushing position switch to the push rod of the back side pushing position by with the engaged part
Engaging and rotate to positive direction, castor locking switching member batches the front-wheel wire rod and while rolls out the trailing wheel line
Material, makes the front-wheel castor locking component be located at the release position and while make the trailing wheel castor locking component positioned at described
Latched position.
6. perambulator according to claim 5, wherein,
The engaged part is provided in the overall width direction outboard end of the castor locking switching member and covers the castor lock
Determine the lid of the inside of switching member.
7. perambulator according to claim 1, wherein,
Also include making the castor lock the spring that switching member is biased to turn direction or reverse turn direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015209167A JP6557113B2 (en) | 2015-10-23 | 2015-10-23 | baby carriage |
| JP2015-209167 | 2015-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106608276A true CN106608276A (en) | 2017-05-03 |
| CN106608276B CN106608276B (en) | 2020-05-15 |
Family
ID=58614930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681693.4A Active CN106608276B (en) | 2015-10-23 | 2016-08-17 | Baby carriage |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6557113B2 (en) |
| CN (1) | CN106608276B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945502A (en) * | 2019-06-13 | 2022-08-26 | 明门瑞士股份有限公司 | Wheel type bearing device |
| US12415562B2 (en) | 2019-09-11 | 2025-09-16 | Wonderland Swizterland AG | Wheeled carrying apparatus |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297922A (en) * | 2017-12-28 | 2018-07-20 | 好孩子儿童用品有限公司 | A kind of children trolley |
| JP7084152B2 (en) * | 2018-01-31 | 2022-06-14 | ピジョン株式会社 | stroller |
| US11993302B2 (en) | 2019-06-13 | 2024-05-28 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
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| US5524503A (en) * | 1993-09-30 | 1996-06-11 | Combi Corporation | Remote operation mechanism for stroller |
| US20030034211A1 (en) * | 2001-08-17 | 2003-02-20 | Combi Corporation | Remote control device and baby carriage with the same |
| CN101573265A (en) * | 2006-11-15 | 2009-11-04 | 康贝株式会社 | Stroller |
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| CN203472955U (en) * | 2013-05-29 | 2014-03-12 | 好孩子儿童用品有限公司 | Baby carrier with reversible push rod |
| JP2014213856A (en) * | 2013-04-26 | 2014-11-17 | 明門香港股▲フェン▼有限公司 | Travel direction restriction device and vehicle provided with the same |
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| US5524503A (en) * | 1993-09-30 | 1996-06-11 | Combi Corporation | Remote operation mechanism for stroller |
| US20030034211A1 (en) * | 2001-08-17 | 2003-02-20 | Combi Corporation | Remote control device and baby carriage with the same |
| CN101573265A (en) * | 2006-11-15 | 2009-11-04 | 康贝株式会社 | Stroller |
| CN201923194U (en) * | 2010-11-29 | 2011-08-10 | 好孩子儿童用品有限公司 | Reversing-handle baby stroller |
| CN203111283U (en) * | 2013-01-15 | 2013-08-07 | 好孩子儿童用品有限公司 | Bassinet with pushing handle capable of changing directions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945502A (en) * | 2019-06-13 | 2022-08-26 | 明门瑞士股份有限公司 | Wheel type bearing device |
| US12415562B2 (en) | 2019-09-11 | 2025-09-16 | Wonderland Swizterland AG | Wheeled carrying apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017081252A (en) | 2017-05-18 |
| JP6557113B2 (en) | 2019-08-07 |
| CN106608276B (en) | 2020-05-15 |
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