CN107531264B - Chassis structure with seat trolley and with seat trolley - Google Patents
Chassis structure with seat trolley and with seat trolley Download PDFInfo
- Publication number
- CN107531264B CN107531264B CN201680021092.9A CN201680021092A CN107531264B CN 107531264 B CN107531264 B CN 107531264B CN 201680021092 A CN201680021092 A CN 201680021092A CN 107531264 B CN107531264 B CN 107531264B
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- China
- Prior art keywords
- vehicle frame
- frame
- decline
- trolley
- seat
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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
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- 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
- B62B9/26—Securing devices for bags or toys ; Arrangements of racks, bins, trays or other devices for transporting articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The present invention provides the chassis structure with seat trolley for having the component influenced when not declined by vehicle frame caused by folding.The chassis structure of trolley (10) is, the a part for having the front frame (12) of front side wheel (14) and having the Rear frame (18) of rear side wheel (20) is rotatably coupled, there is seat vehicle frame (26) of the frame between front frame (12) and Rear frame (18) in the lower side of the interconnecting piece (22), have make front frame (12) and Rear frame (18) towards the decline vehicle frame (36) declined together with the rear end side of seat vehicle frame (26) along short transverse when rotating front side wheel (14) and the close direction of rear side wheel (20), it is characterized in that, have sliding part (46) in decline vehicle frame (36), sliding part (46) is connect with mobile unit, mobile unit makes to slide because of the close movement of front side wheel (14) and rear side wheel (20) Length direction top Slideslip of the part (46) to decline vehicle frame (36).
Description
Technical field
The present invention relates to band seat trolleys, more particularly to folding chassis structure and band with seat trolley
Seat trolley.
Background technique
It is the band seat trolley of representative due to using folder function using perambulator, for stability when driving and removes
Convenience when fortune or when storing all requires.In the band seat trolley using this folder function, for example, such as patent
Disclosed in document 1, the construction of the configuring goods case under seat chair is mostly used greatly.
But the trolley of this construction is in the presence of the tendency for squeezing bad article box because of the seat vehicle frame declined when folding.Cause
This, is folded in the state that article cannot be packed into article box.In addition, in trolley disclosed in patent document 1,
By making article box avoid article box from being squeezed bad situation to by back side rotation when folding, but because article box can also be rolled over simultaneously
It is folded, so still cannot be folded in the state of being packed into article.
In view of this actual conditions, disclosed in patent document 2 folding in the state of being packed into article in article box
Construction with seat trolley.The construction of trolley disclosed in Patent Document 2 also substantially with it is disclosed in patent document 1
Trolley is identical, belongs to the construction for rotating the article box being configured under seat when folding.
The difference of trolley disclosed Patent Document 2 is, reduces the tilt angle of article box rotation, and
When tilting article box, the cabinet of article box is able to maintain that its shape.
Existing technical literature
Patent document
Patent document 1:(Japan) special open 2001-97226 bulletin
Patent document 2:(Japan) No. 4266988 bulletin of patent
Summary of the invention
Problems to be solved by the invention
Band seat trolley disclosed Patent Document 2 as characterized above can be packed into object to article box really
Folding pushchair in the state of product.
But the band seat trolley with folder function disclosed Patent Document 2 can will constitute handle when folding
The vehicle frame of hand portion declines.Moreover, trolley disclosed Patent Document 2 on the vehicle frame for constituting its handle portion because configuring
Article box, so with the decline of vehicle frame accordingly, it is desirable in high position configuring goods case.Even in addition, the configuration of article box
The case where position declines together with vehicle frame, it is also desirable to article box be made with ground face contact, therefore to become the depth of article box
Shallowly, internal capacity becomes smaller.
Therefore, the object of the present invention is to provide a kind of band seat hand push not influenced by vehicle frame decline caused by folding
The chassis structure of vehicle and with the chassis structure band seat trolley.
A technical solution to solve project
The chassis structure of the invention with seat trolley for achieving the above object is before having front side wheel
A part of vehicle frame and a part for the Rear frame for having rear side wheel are rotatably coupled, and are had in the lower side of the interconnecting piece
There is the seat vehicle frame being erected between the front frame and the Rear frame, having makes the front frame and the Rear frame
Towards make the front side wheel and the rear side wheel it is close direction rotation when together with the rear end side of the seat vehicle frame along height
The decline vehicle frame of direction decline is spent, the chassis structure is characterized in that having sliding part, the cunning in the decline vehicle frame
Moving part is connect with mobile unit, and the mobile unit makes this because of the close movement of the front side wheel and the rear side wheel
Length direction top Slideslip of the sliding part to the decline vehicle frame.
In addition, the chassis structure as characterized above with seat trolley can be set to, it is connect with the sliding part
Mobile unit is the mobile connecting rod that one end is connect with the sliding part, the other end of the mobile connecting rod and the decline vehicle frame
The vehicle frame of trolley in addition connects.
By being set as this structure, the cunning of sliding part can be caused by the action state of the vehicle frame other than decline vehicle frame
Movement.
In addition, can be in the chassis structure with seat trolley with above-mentioned feature, the mobile connecting rod
The other end and trolley vehicle frame in make the front frame and the Rear frame towards making the front side wheel and the rear side
The part connection that wheel close direction declines when rotating.
By being set as this structure, the movement of mobile connecting rod is carried out because of the decline of interconnecting piece, therewith, sliding part is under
It is slided on drop vehicle frame.
In addition, the chassis structure with seat trolley with above-mentioned feature can be set to, the mobile connecting rod is by having
There is rigid rod-shaped or plate-shaped member to be formed, the other end of the mobile connecting rod and constitute it is on the vehicle frame of trolley, make it is described
Front frame and the Rear frame towards when making the front side wheel and the close direction rotation of the rear side wheel be less than it is described under
The part connection of the dropping distance decline of the dropping distance of vehicle frame is dropped.
By being set as this structure, even if the close movement of front side wheel and rear side wheel makes the height and position of sliding part
It reduces, will not worry that it becomes smaller than the dropping distance of decline vehicle frame.
In addition, with above-mentioned feature the chassis structure with seat trolley preferably be, the mobile connecting rod it is another
The part being connect with the vehicle frame of trolley of one end, with make the front frame and the Rear frame towards make the front side wheel and
The close direction of the rear side wheel rotates Shi Yiyu and subtracts the front frame and described from the dropping distance of the decline vehicle frame
The part connection of the approximate dropping distance decline of the distance of the climb of the interconnecting piece of Rear frame.
By being set as this structure, the sliding part before and after the close movement of front side wheel and rear side wheel can be reduced
The variation of height and position.
In addition, the chassis structure with seat trolley with above-mentioned feature can be, it is connected with the mobile connecting rod
The other end part be handrail vehicle frame middle part, the one end of the handrail vehicle frame and the front frame or the connection
Portion's connection, another side are connect with the decline vehicle frame, are linkedly rotated with the lowering action of the decline vehicle frame.
In addition, the chassis structure with seat trolley with above-mentioned feature is also possible to be connected with the movement even
The part of the other end of bar is the middle part of seat vehicle frame, the one end of the seat vehicle frame rotationally with the front frame
Connection, another side are connect with the decline vehicle frame, are linkedly rotated with the lowering action of the decline vehicle frame.
In addition, the chassis structure with seat trolley with above-mentioned feature is also possible to be connected with the movement even
The part of the other end of bar is the middle part of swivel link, and the one end of the swivel link is connect with the Rear frame, another
End side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame.
In addition, the chassis structure with seat trolley with above-mentioned feature can be set to, the sliding part is configured at
On the decline vehicle frame, and it is configured at the decline vehicle frame and the interconnecting piece of handrail vehicle frame and the decline vehicle frame and the seat
Between the interconnecting piece of Wheel-chair frame, the one end of the handrail vehicle frame is connect with the front frame or the interconnecting piece, and another
End side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame.
In addition, the chassis structure with seat trolley with above-mentioned feature can be set to, the sliding part is configured at
On the decline vehicle frame, and it is configured at the decline vehicle frame and the interconnecting piece of handrail vehicle frame and the decline vehicle frame and chair coach
Between the interconnecting piece of frame, the one end of the handrail vehicle frame is connect with the front frame or the interconnecting piece, and another side
It connect, is linkedly rotated with the lowering action of the decline vehicle frame, the one end of the seat vehicle frame can with the decline vehicle frame
It is rotationally connect with the front frame, and another side is connect with the decline vehicle frame, it is dynamic with the decline of the decline vehicle frame
Linkedly rotate.
In addition, the chassis structure with seat trolley with above-mentioned feature can be set to, the mobile connecting rod is by having
There is flexible filamentary material to be formed, has on the upside of the short transverse of the allocation position of the sliding part of the decline vehicle frame
The return portion of the filamentary material, the other end of the mobile connecting rod and constitute it is on the vehicle frame of trolley, make the front frame
With the Rear frame towards when making the front side wheel and the close direction rotation of the rear side wheel to be greater than the decline vehicle frame
Dropping distance dropping distance decline part connection.
By being set as this structure, the hauling distance of the filamentary material connected via return portion can be made than decline vehicle frame
Dropping distance it is long.Therefore, the height and position of sliding part drops after the close movement of wheel and rear side wheel on front side of being able to suppress
It is low.
In addition, the chassis structure as characterized above with seat trolley preferably be, the mobile connecting rod it is another
End part connect with the vehicle frame of trolley, with make the front frame and the Rear frame court make the front side wheel and
Decline is similar to subtract the front frame from the dropping distance of the decline vehicle frame when the close direction of the rear side wheel rotates
It is connected with the part of the dropping distance of 2 times of distances at a distance from the climb of the interconnecting piece of the Rear frame.
By being set as this structure, the sliding part before and after the close movement of front side wheel and rear side wheel can be reduced
The variation of height and position.
In addition, the chassis structure as characterized above with seat trolley can be, it is connected with the mobile connecting rod
The part of the other end is extension, and with handrail vehicle frame compared with the interconnecting piece of the decline vehicle frame, which prolongs toward the rear side
Stretch setting, the one end of the handrail vehicle frame is connect with the front frame or the interconnecting piece, and another side and it is described under
Vehicle frame connection is dropped, is linkedly rotated with the lowering action of the decline vehicle frame.
In addition, the chassis structure as characterized above with seat trolley can be, it is connected with the mobile connecting rod
The part of the other end is extension, and with seat vehicle frame compared with the interconnecting piece of the decline vehicle frame, which prolongs toward the rear side
Setting is stretched, the one end of the seat vehicle frame is rotationally connect with the front frame, and another side and the decline vehicle
Frame connection is linkedly rotated with the lowering action of the decline vehicle frame.
In addition, band seat trolley of the invention for achieving the above object is that have band described in any of the above embodiments
The band seat trolley of the chassis structure of seat trolley, which is characterized in that in the bearing of sliding part connection article box
Portion configures the article box in the lower section of the supporting part.
In the case where being set as this structure, even if folding pushchair, the height and position of article box will not generate variation.
Therefore, can article box be equipped with article in the state of folding pushchair.In addition, because the height and position of article box does not produce
Changing, so without separating the distance of article box and track substantially.It is thus possible to enough increase the capacity of article box.
In addition, band seat trolley of the invention for achieving the above object is that have band described in any of the above embodiments
The band seat trolley of the chassis structure of seat trolley, which is characterized in that loading can also be configured on the sliding part
Hook.
In the case where being set as this structure, even if folding pushchair, the height and position of loading hook will not become
Change.Therefore, can in the state that article is hung over loading hook folding pushchair.
Invention effect
According to the chassis structure as characterized above with seat trolley, sliding part in folding pushchair hardly
It will receive the influence of the vehicle frame bring short transverse of decline.Base whens therefore, by as setting article box or loading hook etc.
Point, inconvenience caused by the folding without worrying trolley occur, i.e., connect without having to worry about article box or article itself with track
The case where touching or being subject to crushing.
Detailed description of the invention
Fig. 1 is the perspective view of the front for indicating the trolley of first embodiment, right side and planar structure.
Fig. 2 is the perspective view of the back side for indicating the trolley of first embodiment, right side and planar structure.
Fig. 3 is the right side view for indicating the form when driving of trolley of first embodiment.
Fig. 4 is the right side view of form when indicating the folding of the trolley of first embodiment.
Fig. 5 is the line architecture model of the structure and movement for illustrating the trolley of first embodiment.
Fig. 6 is the line architecture model for indicating the first variation of trolley of first embodiment.
Fig. 7 is the line architecture model for indicating the second variation of trolley of first embodiment.
Fig. 8 is the line architecture model for indicating the third variation of the trolley of first embodiment.
Fig. 9 is the right side view for indicating the form when driving of cart under application mode.
Figure 10 is the right side view of form when indicating the folding of the trolley under application mode.
Figure 11 is the right side view for indicating the form when driving of trolley of second embodiment.
Figure 12 is the right side view of form when indicating the folding of the trolley of second embodiment.
Figure 13 is the line architecture model of the structure and movement for illustrating the trolley of second embodiment.
Figure 14 is the line architecture model for indicating the first variation of trolley of second embodiment.
Figure 15 is the perspective view of the front for indicating the trolley of third embodiment, right side and planar structure, is table
Show the figure that handle frame is moved on to the form at seat surface rear.
Figure 16 is the perspective view of the front for indicating the trolley of third embodiment, right side and planar structure, is table
Show the figure that handle frame is moved on to the form in front of seat surface.
Specific embodiment
Hereinafter, for the chassis structure of the invention with seat trolley and the embodiment with seat trolley, reference
Attached drawing is described in detail.
[grown form]
Firstly, referring to Fig.1~Fig. 5, to band seat trolley (the hereinafter simply referred to as trolley of first embodiment
10) basic structure and function is illustrated.In addition, in the accompanying drawings, Fig. 1 is to indicate the trolley of first embodiment just
The perspective view in face, right side and planar structure, Fig. 2 are the perspective views for indicating the back side, right side and planar structure.In addition, Fig. 3
It is the right side view for indicating the form when driving of trolley of first embodiment, Fig. 4 is the right side for indicating form when folding
Side view.In addition, Fig. 5 is the line architecture model of the structure and movement for illustrating the trolley of first embodiment.
The trolley 10 of present embodiment using front frame 12 and Rear frame 18, seat vehicle frame 26 and decline vehicle frame 36 as
Substantially it constitutes.
Front frame 12 has front side wheel 14 in its lower end.Front frame 12 is made of two a pair of modes, as Fig. 1,
Shown in Fig. 2, has connecting vehicle frame 16 in lower end side.
Rear frame 18 is identical as front frame 12, has wheel (rear side wheel 20) in lower end.The upper end of Rear frame 18
Constitute the interconnecting piece 22 rotatably freely connecting with the upper end of front frame 12.Also, Rear frame 18 is also identical as front frame 12
Ground is made of two a pair of modes, has connecting vehicle frame 24 in lower end side.
The front frame 12 and Rear frame 18 of this structure can be basic point with interconnecting piece 22, to change front side 14 He of wheel
The mode of width between rear side wheel 20 is opened and closed.That is, expanding the interval between front side wheel 14 and rear side wheel 20 when driving
And stability is improved, the narrower intervals between two wheels can be made when carrying or when storage, are able to carry out folding.
Seat vehicle frame 26 is the vehicle frame for constituting seat.Seat vehicle frame 26 is to be erected at above-mentioned front frame 12 and rear car
Mode between frame 18 configures.Be connected with runing rest 28 near the front side end of chair coach frame 26, runing rest 28 with
The interconnecting piece 12a being configured between the interconnecting piece 22 of front frame 12 and front side wheel 14 is rotatably freely connected.On the other hand,
The rear side end of seat vehicle frame 26 and the bearing bracket 38 of the lower end setting for the decline vehicle frame 36 being described in detail below rotate certainly
Such as connect.
In addition, seat vehicle frame 26 is also identicallyly as above-mentioned front frame 12 and Rear frame 18, by two a pair of mode structures
At.Moreover, the front side end of seat vehicle frame 26 is connected by the connecting vehicle frame 30 for constituting chair top.In addition, in seat
The rear side end of vehicle frame 26 is connected with the vehicle frame (backrest vehicle frame 32) for constituting backrest.In addition, backrest vehicle frame 32 is relative to seat
Vehicle frame 26 can change tilt angle freely.In addition, in Fig. 1, form shown in Fig. 2, from the front side end of seat vehicle frame 26
To the upper end of backrest vehicle frame 32, it is formed with the seat surface 34 for constituting chair top.
The decline vehicle frame 36 of present embodiment is the vehicle frame for constituting the handle 36a of trolley 10.As shown in Fig. 5, with preceding
The folding of vehicle frame 12 and Rear frame 18, the vehicle frame for constituting handle 36a declines vehicle frame 36 and is also folded, in this case, interconnecting piece
22 rise in the height direction.That is, the height of decline vehicle frame 36 rises simultaneously.Therefore, inhibited using vehicle frame itself is declined
The increased construction of height when folding.
Decline vehicle frame 36 is via the bearing bracket 38 and the swivel link by Rear frame 18 as basic point for being set to lower end
40 connections.Moreover it is preferred that bearing bracket 38 has the side view along Rear frame 18 with the contact portion of Rear frame 18
Groove.This is the offset for declining the contact portion of vehicle frame 36 (bearing bracket 38) and Rear frame 18 in order to prevent, realizes and stablizes.
In addition, swivel link 40 is rotationally configured as basic point with the interconnecting piece with Rear frame 18.Therefore, swivel link 40 passes through
Rotation can make to support the movement of bracket 38.
Handrail vehicle frame 42 is provided between front frame 12 and the interconnecting piece 22 and decline vehicle frame 36 of Rear frame 18.Handrail
Vehicle frame 42 is able to rotate freely with the interconnecting piece of interconnecting piece 22 and with the interconnecting piece of decline vehicle frame 36.Therefore, by preceding
Vehicle frame 12 and decline vehicle frame 36, seat vehicle frame 26 and handrail vehicle frame 42 constitute parallel rod.
In addition, the trolley 10 in present embodiment is provided with the mobile connecting rod 44 with handrail vehicle frame 42 as basic point.And
And the mobile end of mobile connecting rod is connect with sliding part 46, sliding part 46 is set to than decline vehicle frame 36 and handrail vehicle frame 42
Interconnecting piece more leans on the position on top.
When folding the trolley 10 of this structure, firstly, between with wheel 14 on front side of constriction and between rear side wheel 20
Every mode keep front frame 12 and Rear frame 18 close.Swivel link 40 is elapsed by seat vehicle frame 26 as a result, to the side of arrow A
To rotation (referring to Fig. 3).Later, due to the self weight of decline vehicle frame 36, swivel link 40 turns to bearing bracket 38 and is located at than rotation
Turn the interconnecting piece of connecting rod 40 and Rear frame 18 more posteriorly until the position of 20 side of side wheel.
According to the movement of the seat vehicle frame 26 of the movement with swivel link 40, the handrail vehicle frame 42 of parallel rod is constituted
Also by with decline vehicle frame 36 interconnecting piece than the interconnecting piece with interconnecting piece 22 more on the lower in a manner of rotate (direction arrow B turn
It is dynamic).
Accordingly with the movement, be supported on the sliding part 46 of mobile connecting rod 44 towards decline vehicle frame 36 upper side along
Decline the length direction sliding of vehicle frame 36.Here, decline vehicle frame 36 from the folding of trolley 10 and to height and position decline side
To movement.On the other hand, the upper side of sliding part 46 towards decline vehicle frame 36 is mobile.Therefore, before the folding of trolley 10
Afterwards, the relative position of the sliding part 46 in short transverse is almost unchanged (referring to Fig. 5).
In the trolley of present embodiment, as shown in Figure 1 to 4, the article for connecting supporting part 52 with sliding part 46
Case 50 from sliding part 46 to the sagging mode in downside to configure.
Trolley 10 according to the present embodiment, as shown in figure 4, even if fold when, without worry 50 quilt of article box
Vehicle frame damages by pressure.In addition, in motion with folding when, pass through the attachment on the small sliding part 46 of variation of relative altitude position
Article when the caused folding of the case where supporting part 52 of product case 50, offset downwards whole without having to worry about article box 50 when folding
Contact of the case 50 with road surface.
Therefore, can in the state of being put into article folding pushchair 10.In addition, not needing to improve article box 50 yet
Fixed position, therefore can substantially ensure the capacity of article box 50.In addition, the mode of article box 50 shown in FIG. 1 to FIG. 4 is only
It is an example, various modes can be used in shape.
In addition, in the above-described embodiment, the front side end of handrail vehicle frame 42 is connected to interconnecting piece 22.However, helping
The front side end of handcart frame 42 can also form the structure rotatably freely connecting with front frame 12.This is because even if shape
At this structure, also parallel connect can be constituted with decline vehicle frame 36, seat vehicle frame 26 and handrail vehicle frame 42 by front frame 12
Bar.
In the above-described embodiment, one end is connect by mobile connecting rod 44 with sliding part 46, by the other end and handrail vehicle frame
42 middle part connection.However, the connection type of the other end of mobile connecting rod 44 is without being limited thereto, it can also be with decline vehicle frame 36
Vehicle frame connection in addition, as long as the dropping distance position smaller than the dropping distance for declining vehicle frame 36 connects when folding with trolley 10
It connects.As specific variation, example below can be enumerated.
[variation 1 of first embodiment]
Form shown in fig. 6 is the other end and the seat for the lower section for being located at handrail vehicle frame 42 for indicating to move connecting rod 44
The example of the middle part connection of vehicle frame 26.As shown in fig. 6, with the close swivel link with front frame 12 and Rear frame 18
Together, seat vehicle frame also makes " rotation+decline " this movement for the decline of decline vehicle frame 36 caused by 40 rotation.
At this point, compared with the interconnecting piece of seat vehicle frame 26 and decline vehicle frame 36, the company of mobile connecting rod 44 and seat vehicle frame 26
Socket part is located at front side.By forming this structure, by the dropping distance of the folding with trolley 10, mobile connecting rod 44 with
The dropping distance of the interconnecting piece of seat vehicle frame 26 is less than the dropping distance of decline vehicle frame 36.
Sliding part 46 deviates downwards when thereby, it is possible to prevent from folding, and obtains same with the trolley 10 of aforementioned embodiments
The effect of sample.
[variation 2 of first embodiment]
Mode shown in Fig. 7 indicates the example that the other end by mobile connecting rod 44 is connect with the middle part of swivel link 40.
The swivel link 40 for promoting the decline of the decline vehicle frame 36 folded with trolley 10, using the interconnecting piece with Rear frame 18 as base
Point, dropping distance with it is close with decline vehicle frame 36 interconnecting piece and increase.Therefore, by the way that the other end of connecting rod 44 will be moved
It is connect with the middle part of swivel link 40, the dropping distance of interconnecting piece must be smaller than declining the dropping distance of vehicle frame 36.
Sliding part 46 deviates downwards when thereby, it is possible to prevent from folding, and obtains same with the trolley 10 of above embodiment
The effect of sample.
[variation 3 of first embodiment]
In addition, sliding part 46 is configured than handrail vehicle frame 42 and decline in above embodiment and above-described embodiment
The upper position of the interconnecting piece of vehicle frame 36.However, as shown in figure 8, the sliding part 46 being configured on decline vehicle frame 36 can also
To configure in the position than the interconnecting piece of handrail vehicle frame 42 and decline vehicle frame 36 more on the lower.
In the case where making sliding part 46 form this configuration mode, moves the other end of connecting rod 44 and be located at sliding part
Vehicle frame or connecting rod connection on the downside of 46 allocation position.By forming this structure, in folding pushchair 10, mobile connecting rod
44 will decline the sliding part 46 on vehicle frame 36 pushes to top.
In the example shown in Fig. 8, sliding part 46 is configured to the interconnecting piece for declining vehicle frame 36 and handrail vehicle frame 42 under
It drops between vehicle frame 36 and the interconnecting piece of seat vehicle frame 26.Also, the other end of mobile connecting rod 44 and the middle part of seat vehicle frame 26
Connection.As a result, when folding, sliding part 46 is pushed to the upper side of decline vehicle frame 36, is able to suppress its allocation position itself
Decline.
In addition, in this way by the allocation position of sliding part 46 be set as than handrail vehicle frame 42 more on the lower in the case where, and it is upper
State variation 2 in the same manner, it is clear that can be using the middle part of swivel link 40 as the connection pair of the other end of mobile connecting rod 44
As.
In above embodiment and variation, being connected with the position of the other end of mobile connecting rod 44, it is preferable to determine following
Positional relationship.That is, holding is similar to from as base on the basis of declining the distance that vehicle frame 36 declines when folding pushchair 10
Quasi- above-mentioned dropping distance subtracts the position of the dropping distance of the distance of the climb of interconnecting piece 22 as the mobile connecting rod of connection
The position of 44 other end.This is because can reduce trolley 10 by forming this configuration mode when driving and fold
When sliding part 46 height and position generate variation.
[hook-type state]
Then, referring to Fig. 9, Figure 10, the application mode of the trolley of present embodiment is illustrated.In addition, Fig. 9 is
Indicate that the right side view of the form when driving of trolley, Figure 10 are the right side views for indicating form when folding.This application side
The trolley 10A of formula is characterized in that, cancels the subsidiary article box 50 of trolley 10 in above embodiment, in sliding part
Loading hook 54 is set on 46, with substitution goods case 50.
By with this feature, even if 1 0A of folding pushchair in the state of hanging article on loading hook 54, also can
Inconvenient (that is, article is contacted with road surface) caused by enough avoiding the allocation position of loading hook 54 from declining.Therefore, with above-mentioned embodiment party
Formula similarly, can in the state of hanging article on loading hook 54 folding pushchair 10.
[steel wire mode]
Then, to the second embodiment of the invention with seat trolley, 1~Figure 13 is illustrated referring to Fig.1.This
Outside, Figure 11 is the right side view for indicating the form when driving of trolley of second embodiment, when Figure 12 indicates to fold
The right side view of form.In addition, Figure 13 is the line architecture mould of the structure and movement for illustrating the trolley of second embodiment
Type.
The basic structure of the trolley 10B of present embodiment is also identical as the trolley 10 of above-mentioned first embodiment.Make
There is the rod-shaped or plate of rigidity in the intermediate configurations of handrail vehicle frame 42 in the trolley 10 of first embodiment for difference
Mobile connecting rod 44, by the movement connecting rod 44 make sliding part 46 slide.In contrast, as mobile connecting rod 44, this embodiment party
The trolley 10B of formula uses flexible filamentary material 58, slides sliding part 46.
Specifically, in the present embodiment, extension 42b is equipped on handrail vehicle frame 42.Extension 42b is handrail
A part of vehicle frame 42 is arranged in the vehicle frame of side position more more rearward than the interconnecting piece of handrail vehicle frame 42 and decline vehicle frame 36.
Handrail vehicle frame 42 as this mode rises using interconnecting piece as basic point in the front end side for being located at the armrest part 42a of front side
In the case of, it is located behind the front end side decline of the extension 42b of side.
In addition, in the present embodiment, more leaning on the position of upper side in the allocation position of the sliding part 46 than declining vehicle frame 36
It sets configured with pulley 56.Also, by the way that the filamentary materials such as steel wire 58 are winded on pulley 56, as return portion, by one end
It is connect with sliding part 46, the other end is connect with extension 42b.
Under this configuration, as shown in FIG. 12 and 13, in folding pushchair 10B, the movement of handrail vehicle frame 42 makes line
The extension side end (other end) of shape material 58 is pulled down into.Therefore, it is wound in return portion (that is, pulley 56) afterwards and sliding part
The sliding part side end (one end) of 46 connections is pulled to 56 side of pulley (that is, upper side of decline vehicle frame 36).In filamentary material 58
Sliding part side end be pulled to the upper side of decline vehicle frame 36 in the case where, the sliding part 46 that is connect with filamentary material 58
Along the length direction Slideslip toward upper of decline vehicle frame 36.
Therefore, the trolley 10B of this structure is also in the same manner as the trolley of first embodiment 10, can be to object
Product case 50 is packed into folding pushchair 10B in the state of article.In addition, not needing the fixation position of raising article box 50, therefore yet
It can substantially ensure the capacity of article box.In addition, in the same manner as above-mentioned application mode, substitution goods case 50 can be formed in cunning
Moving part 46 configures the mode of loading hook 54 (referring to Fig. 9, Figure 10).
[variation 1 of second embodiment]
In addition, in the above-described embodiment, illustrating to be equipped with extension 42b in handrail vehicle frame 42, connected at this linear
The case where one end of material 58.However, as long as the trolley 10B of present embodiment is by the other end of filamentary material 58
Interconnecting piece is formed in the knot at the position of the longer dropping distance of dropping distance of the decline vehicle frame 36 declined when keeping than folding
Structure does not need the connecting portion for unreasonably limiting filamentary material 58 then.
For example, as shown in figure 14, the seat vehicle frame 26 that parallel rod can also be constituted between handrail vehicle frame 42 is arranged
Extension 26b, in the other end (other end) of extension 26b connection filamentary material 58.Under this structure, sliding part 46
Carry out movement same as the above embodiment.
At this time, it is preferable that the position of the other end of connection filamentary material 58 is the position for meeting following necessary condition.That is,
On the basis of declining the dropping distance that vehicle frame 36 declines when folding pushchair 10B, has and be similar to subtract company from the dropping distance
The position of 2 times of dropping distance of the distance for the climb that socket part 22 rises.The sliding part 46 of present embodiment passes through traction
Turn back configuration filamentary material 58 the other end and slide.Therefore, the hauling distance of filamentary material 58 is sliding part 46
2 times of distances of moving distance (sliding distance).Therefore, by will have be similar to deduct after distance 2 times of distances decline away from
From interconnecting piece of the position as filamentary material 58, can reduce and exist when driving with the sliding part 46 when folding in trolley 10B
The variation generated on height and position.
[handle switching mode]
Then, for the third embodiment of the invention with seat trolley, referring to Fig.1 5, Figure 16 is illustrated.This
Outside, Figure 15 is the perspective view of the front for indicating the trolley of third embodiment, right side and planar structure, and Figure 16 is to indicate
Switch the perspective view of the front of trolley of the state of handling position, right side and planar structure.
The basic structure of the trolley 10C of present embodiment is also identical as the trolley 10 of above-mentioned first embodiment.Make
For difference, the trolley 10 of first embodiment is configured to hand on the extended line for the decline vehicle frame 36 that sliding part 46 slides
The handle 36a pushed away.In contrast, the trolley 10C of present embodiment will decline vehicle frame 36 and the seperated composition of handle frame 60.
Specifically, configuring subframe 62 in the part that the bearing bracket 38 for declining vehicle frame 36 is abutted with Rear frame 18, match
It sets relative to the rotatable handle frame 60 of the subframe 62.It, can be by the handle of handle frame 60 by forming this structure
Part switches to the rear side of seat surface 34 and front side rotation.In addition, though Fig. 15, Figure 16 do not indicate the rotation in first embodiment
Connecting rod 40, but the swivel link 40 that the outside of Rear frame 18 is configured in first embodiment is only configured to by this
Become dead angle on the inside of pairs of Rear frame 18.In addition, in order to which the subframe 62 for configuring handle frame 60 and being arranged is for obtaining
Obtain the component of the configuration balance of handle frame 60.Therefore, the installation site of handle frame 60 can directly be Rear frame 18,
It can be front frame 12, this do not limited.
It is same with 1 0~10B of trolley of the first, second above-mentioned embodiment for other structures, effect, effect
Sample.
Industrial availability
In the above-described embodiment in order to be described collectively, the diagram form as trolley 10 (10~10C) is baby
Vehicle.However, the chassis structure of the invention with seat trolley can also be applied to trolley (the so-called old age of the elderly
Vehicle) etc..
Symbol description
10,10A, 10B, 10C ... trolley, 12 ... front frames, 12a ... interconnecting piece, 14 ... front side wheels, 16 ... connections
Vehicle frame, 18 ... Rear frames, 20 ... rear side wheels, 22 ... interconnecting pieces, 24 ... connecting vehicle frames, 26 ... seat vehicle frames, 26b ... extend
Portion, 28 ... runing rests, 30 ... connecting vehicle frames, 32 ... backrest vehicle frames, 34 ... seat surfaces, 36 ... decline vehicle frames, 36a ... handle,
38 ... bearing brackets, 40 ... swivel links, 42 ... handrail vehicle frames, 42a ... armrest part, 42b ... extension, 44 ... mobile connecting rods,
46 ... sliding parts, 50 ... article boxes, 52 ... supporting parts, 54 ... loading hooks, 56 ... pulleys, 58 ... filamentary materials, 60 ... handles
Vehicle frame, 62 ... subframes.
Claims (14)
1. a kind of chassis structure with seat trolley has a part of the front frame of front side wheel and has rear side wheel
A part of Rear frame is rotatably coupled, and is had in the lower side of the interconnecting piece and is erected at the front frame and the Rear frame
Between seat vehicle frame, have make the front frame and the Rear frame towards leaning on the front side wheel and the rear side wheel
Along the decline vehicle frame of short transverse decline, the chassis structure together with the rear end side of the seat vehicle frame when close direction rotates
It is characterized in that,
Have sliding part in the decline vehicle frame,
The sliding part is connect with mobile unit, and the mobile unit is moved because of the front side wheel and the close of the rear side wheel
Make and make the sliding part to it is described decline vehicle frame length direction top Slideslip,
The mobile unit connecting with the sliding part is the mobile connecting rod that one end is connect with the sliding part,
The other end of the mobile connecting rod is connect with the vehicle frame of the trolley other than the decline vehicle frame,
In the other end of the mobile connecting rod and the vehicle frame of trolley make the front frame and the Rear frame towards make it is described before
The part that side wheel declines when rotating with the close direction of the rear side wheel connects.
2. the chassis structure as described in claim 1 with seat trolley, which is characterized in that
The mobile connecting rod is formed by the rod-shaped or plate-shaped member with rigidity,
The other end of the mobile connecting rod and constitute it is on the vehicle frame of trolley, make the front frame and the Rear frame towards making institute
State front side wheel and the rear side wheel it is close direction rotation when be less than it is described decline vehicle frame dropping distance decline away from
Part connection from decline.
3. the chassis structure as claimed in claim 2 with seat trolley, which is characterized in that
The part of the other end of the mobile connecting rod connecting with the vehicle frame of trolley, and makes the front frame and the Rear frame
Subtract towards making the front side wheel and the close direction of the rear side wheel rotate Shi Yiyu from the dropping distance of the decline vehicle frame
The front frame and the part of the approximate dropping distance decline of the distance of the climb of the interconnecting piece of the Rear frame is gone to connect.
4. the chassis structure according to any one of claims 1 to 3 with seat trolley, which is characterized in that
The part for being connected with the other end of the mobile connecting rod is the middle part of handrail vehicle frame, the one end of the handrail vehicle frame with
The front frame or interconnecting piece connection, another side are connect with the decline vehicle frame, dynamic with the decline of the decline vehicle frame
Linkedly rotate.
5. the chassis structure according to any one of claims 1 to 3 with seat trolley, which is characterized in that
The part for being connected with the other end of the mobile connecting rod is the middle part of seat vehicle frame, and the one end of the seat vehicle frame can
It is rotationally connect with the front frame, another side is connect with the decline vehicle frame, is connected with the lowering action of the decline vehicle frame
It rotates dynamicly.
6. the chassis structure according to any one of claims 1 to 3 with seat trolley, which is characterized in that
The part for being connected with the other end of the mobile connecting rod is the middle part of swivel link, the one end of the swivel link with
The Rear frame connection, another side are connect with the decline vehicle frame, are linkedly rotated with the lowering action of the decline vehicle frame.
7. the chassis structure as claimed in claim 5 with seat trolley, which is characterized in that
The sliding part is configured on the decline vehicle frame, and is configured at interconnecting piece and the institute of the decline vehicle frame and handrail vehicle frame
It states between decline vehicle frame and the interconnecting piece of the seat vehicle frame, the one end of the handrail vehicle frame and the front frame or the company
Socket part connection, and another side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame.
8. the chassis structure as claimed in claim 6 with seat trolley, which is characterized in that
The sliding part is configured on the decline vehicle frame, and is configured at interconnecting piece and the institute of the decline vehicle frame and handrail vehicle frame
It states between decline vehicle frame and the interconnecting piece of seat vehicle frame, the one end and the front frame or the interconnecting piece of the handrail vehicle frame
Connection, and another side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame, the seat
The one end of Wheel-chair frame is rotationally connect with the front frame, and another side is connect with the decline vehicle frame, and described
The lowering action of decline vehicle frame linkedly rotates.
9. the chassis structure as described in claim 1 with seat trolley, which is characterized in that
The mobile connecting rod is formed by flexible filamentary material, in the allocation position of the sliding part of the decline vehicle frame
Short transverse on the upside of have the return portion of the filamentary material,
The other end of the mobile connecting rod and constitute it is on the vehicle frame of trolley, make the front frame and the Rear frame towards making institute
State front side wheel and the rear side wheel it is close direction rotation when be greater than it is described decline vehicle frame dropping distance decline away from
Part connection from decline.
10. the chassis structure as claimed in claim 9 with seat trolley, which is characterized in that
The part of the other end of the mobile connecting rod connecting with the vehicle frame of trolley, and makes the front frame and the rear car
Frame towards make the front side wheel and the rear side wheel it is close direction rotation when decline be similar under the decline vehicle frame
Drop distance subtracts the dropping distance of 2 times distance of the front frame at a distance from the climb of the interconnecting piece of the Rear frame
Part connects.
11. the chassis structure with seat trolley as described in claim 9 or 10, which is characterized in that
The part for being connected with the other end of the mobile connecting rod is extension, the interconnecting piece with handrail vehicle frame and the decline vehicle frame
It compares, which is extended toward the rear side, and the one end and the front frame of the handrail vehicle frame or the interconnecting piece connect
It connects, and another side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame.
12. the chassis structure with seat trolley as described in claim 9 or 10, which is characterized in that
The part for being connected with the other end of the mobile connecting rod is extension, the interconnecting piece with seat vehicle frame and the decline vehicle frame
It compares, which is extended toward the rear side, and the one end of the seat vehicle frame is rotationally connect with the front frame, and
And another side is connect with the decline vehicle frame, is linkedly rotated with the lowering action of the decline vehicle frame.
13. a kind of band seat trolley, with the vehicle frame structure with seat trolley described in any one of claim 1~12
It makes, which is characterized in that
In the supporting part of sliding part connection article box, the article box is configured in the lower section of the supporting part.
14. a kind of band seat trolley, with the vehicle frame structure with seat trolley described in any one of claim 1~12
It makes, which is characterized in that
Loading hook is configured on the sliding part.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015081124A JP6466767B2 (en) | 2015-04-10 | 2015-04-10 | Wheelbarrow frame structure with seat and wheelbarrow with seat |
JP2015-081124 | 2015-04-10 | ||
PCT/JP2016/057390 WO2016163198A1 (en) | 2015-04-10 | 2016-03-09 | Frame structure of seat-equipped pushcart and seat-equipped pushcart |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107531264A CN107531264A (en) | 2018-01-02 |
CN107531264B true CN107531264B (en) | 2019-11-05 |
Family
ID=57072298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680021092.9A Expired - Fee Related CN107531264B (en) | 2015-04-10 | 2016-03-09 | Chassis structure with seat trolley and with seat trolley |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6466767B2 (en) |
CN (1) | CN107531264B (en) |
WO (1) | WO2016163198A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114435455A (en) * | 2020-11-04 | 2022-05-06 | 明门瑞士股份有限公司 | Baby carriage and hand reversing mechanism thereof |
JPWO2023162145A1 (en) * | 2022-02-25 | 2023-08-31 | ||
WO2024013906A1 (en) * | 2022-07-13 | 2024-01-18 | コンビ株式会社 | Baby carriage |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2373334Y (en) * | 1999-04-06 | 2000-04-12 | 环玮企业股份有限公司 | Collapsible device for three-wheel hand cart |
CN2626815Y (en) * | 2003-03-28 | 2004-07-21 | 米信希尔斯投资公司 | Control device for retracting barrow |
CN1699101A (en) * | 2004-05-20 | 2005-11-23 | 阿普丽佳育儿研究会阿普丽佳葛西株式会社 | Luggage basket and folding baby carriage provided with the same |
JP2007210532A (en) * | 2006-02-10 | 2007-08-23 | Pigeon Corp | Handcart with seat |
CN101676161A (en) * | 2004-10-19 | 2010-03-24 | 康贝株式会社 | Baby car |
CN203996368U (en) * | 2014-07-23 | 2014-12-10 | 佛山市安力电器实业有限公司 | The doll hand barrow of safety foldable |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5621653Y2 (en) * | 1978-12-18 | 1981-05-21 |
-
2015
- 2015-04-10 JP JP2015081124A patent/JP6466767B2/en not_active Expired - Fee Related
-
2016
- 2016-03-09 WO PCT/JP2016/057390 patent/WO2016163198A1/en active Application Filing
- 2016-03-09 CN CN201680021092.9A patent/CN107531264B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2373334Y (en) * | 1999-04-06 | 2000-04-12 | 环玮企业股份有限公司 | Collapsible device for three-wheel hand cart |
CN2626815Y (en) * | 2003-03-28 | 2004-07-21 | 米信希尔斯投资公司 | Control device for retracting barrow |
CN1699101A (en) * | 2004-05-20 | 2005-11-23 | 阿普丽佳育儿研究会阿普丽佳葛西株式会社 | Luggage basket and folding baby carriage provided with the same |
CN101676161A (en) * | 2004-10-19 | 2010-03-24 | 康贝株式会社 | Baby car |
JP2007210532A (en) * | 2006-02-10 | 2007-08-23 | Pigeon Corp | Handcart with seat |
CN203996368U (en) * | 2014-07-23 | 2014-12-10 | 佛山市安力电器实业有限公司 | The doll hand barrow of safety foldable |
Also Published As
Publication number | Publication date |
---|---|
WO2016163198A1 (en) | 2016-10-13 |
JP6466767B2 (en) | 2019-02-06 |
JP2016199173A (en) | 2016-12-01 |
CN107531264A (en) | 2018-01-02 |
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