CN104768834A - Collapsible pushchair - Google Patents

Abstract

A collapsible pushchair (100) having a robust construction whose size when collapsed is less than the industry standard for airline hand luggage, i.e. whose size fits in a volume less than or equal to 56 cm * 45 cm * 25 cm. The pushchair comprises a body (12) on front (16) and rear (20) wheels, the body having a capsule with a pivoting lid (40) which is openable to provide a seat for the pushchair, and an extendable wheelbase that is movable between a collapsed configuration in which it forms a flat frame under the body and an assembled configuration in which it forms an inverted V-shaped frame.

Description

Pushchair

Invention field

The present invention relates to the perambulator for carrying children, and particularly relate to the folded or folding perambulator for transporting or storing.

Background of invention

For carrying the perambulator of children, it also can be called as hand barrow, carriage for children or go-cart, that be usually provided with lockable pivotable or folding joint, becomes compacter, the shape of such as flattening to make folding of baby.Usually, must be in collapsed shape perambulator size and assemble time structural strength between trade off.

Summary of the invention

At it the most generally, the present invention proposes Pushchair, it has firm structure, and its size is less than the professional standard of airline company's hand-baggage when pleated, and namely its size meets the volume being less than or equal to 56cm × 45cm × 25cm.

According to the present invention, can provide Pushchair, it has the main body by front wheel and rear wheel support, and wherein, main body comprises: cabin, and it has the lid of pivotable, and the lid of this pivotable is openable with the seat being provided for perambulator; With extendible wheel base portion (extendablewheelbase), it is formed between the folding configuration of planar frame and the assembled configuration that its forms inverted V-shaped framework wherein below main body is wherein moveable for it, wherein, when the cover closing of the pivotable in cabin and extendible wheel base portion is in folding configuration time, perambulator meets the volume being less than or equal to 56cm × 45cm × 25cm.In combination, folding cabin and the extendible wheel base portion size that perambulator can be folded into meet the hand-baggage of portable airline company to require.

Cabin can comprise lid is attached to it pivotly base segments by hinge etc.Hinge can be arranged towards the rear portion of main body.This lid can extend along the whole length of main body substantially.Lid and base segments can by hard wear-resistant materials, and such as plastics are formed.Lid and base segments can comprise the bonding part of the cooperation for lid being fixed on off position.

The inside face of lid can comprise the backrest for Seat of baby's carriage.Backrest can form with lid.Such as, but preferably, backrest is attached to lid in an adjustable way.Such as, backrest can along the running lengthwise of lid relative to lid, such as, to meet the different back length of carried children.Backrest can be formed by the seat material of routine.

Cabin can comprise seat base (seat base), and seat base is arranged to when lid is opened so that when forming the seat of perambulator, outstanding to backrest from cabin at a certain angle.Seat base can be installed pivotly relative to the base segments in cabin.Seat base can be pivotably mounted on the hinge identical with lid, and is attached to lid, makes the angle between seat base and lid not exceed predetermined threshold.By this way, when lid is opened, seat part can be rotated away from base segments.Cabin can comprise lockout mechanism, and lockout mechanism is used in its open position fixed cover and/or seat base.

Seat base and/or backrest can comprise the safety strap fastener of the routine for perambulator.

Cabin can have the molded outside face (such as kart or like this) of the shape being rendered as vehicle, thus makes perambulator when folding, be similar to the toy of children.During owing to being in its folded state when perambulator, main body can by front wheel and rear wheel support, and it can easily along ground moving.

Perambulator can comprise the handle of the one end being arranged in main body.Such as, handle can comprise arch portion, and this arch portion is such as formed across the rear surface of main body.When perambulator is at its folded state, handle can therefore for promoting or pulling perambulator on its wheel.Such as, when perambulator is at its folded state, perambulator can be pulled on its front wheel in wheeled suitcase mode.Rope or belt can be attached to perambulator, such as, be attached to cabin or handle, so that pull main body along ground.

Extendible wheel base portion can comprise the framework of adjustable in length.Such as, wheel base portion can comprise a pair arm, and each arm telescopically is arranged on respective guide rail that is that be fixed to main body or that formed together with main body.When withdrawn, this can be positioned at below main body arm.Each arm is by extending from its retracted position along slide.Arm can extend from main body in backward directions.Arm can be joined together to form single retractible entity by one or more transverse member.This transverse member can comprise the axle for rear wheel.Axle can be rotatably mounted relative to arm, such as, in being arranged in sleeve or being arranged on the suitable bearing that is fixed on arm.Rear wheel can be fixedly mounted on axle.The lockout mechanism of rear wheel can be provided for the form of latch members, latch members resist wherein latched position that axle rotates and wherein between the activation point that freely rotates of axle relative to pivotable during axle.Such lockout mechanism is known.Alternatively, rear wheel can rotatably be directly installed on arm.

In one embodiment, perambulator is included in the selectivity pivot fitting on wheel base portion, and when arm extends rearward beyond preset distance, pivot fitting allows arm relative to its respective guide rail pivotable.Such as, the end of each arm stops at boss members place, and boss members can be contained in the cup-shaped member being formed in respective rail end place.Between wheel base portion extended peroid, this arm can slide through cup-shaped member.Because arm is across cup-shaped member, rotation can be prevented from.After extension completes, boss members is contained in cup-shaped member, and rotation allows.Selectivity pivot fitting can to comprise for the guide rail relative to arm with predetermined angle fixed arm to form the lock of inverted V-shaped framework.

Because inverted V-shaped framework is formed by extending wheel base portion, front wheel and rear wheel can be arranged on the base portion of inverted V-shaped framework, and base portion thus by wheel support on the ground.Main body is supported on in the arm of the inclination of inverted V-shaped simultaneously.This enables cabin be directed with certain leaning angle, thus when the lid in cabin is opened, outstanding seat part can provide less horizontal seat surface.

Handle can extend away from main body, such as, when wheel base portion is in its assembled configuration, to be provided for the push rod easily of perambulator.Such as, handle can be arranged on telescopic prop.Telescopic prop can be arranged in the groove be formed in main body or wheel base portion.

Perambulator can comprise the toe board below seat part.Toe board is pivotably connected to the base segments of main body.This pivotable connects can enable toe board be packed up when cabin is closed.

Perambulator can comprise many additional optional accessories.Such as, pallet can be arranged on the top of seat part.Sunshading cover or rainproof cover can be connected to the top of backrest.Bag-shaped packing compartments can be attached between the arm of inverted V-shaped framework.This cabin can surround when it is closed for storing the one or more space in these optional accessories.

Brief description of drawings

With reference to accompanying drawing, describe one embodiment of the invention in detail now, wherein:

Fig. 1 is the transparent view being in the Pushchair of folded state according to one embodiment of the invention;

Fig. 2 is the back view of the bottom side of Pushchair shown in FIG;

Fig. 3 is shown in Fig. 1, the transparent view of the perambulator that its wheel base segments extends;

Fig. 4 is shown in Fig. 1, and its wheel base portion stretches out the transparent view of the perambulator launched with its handle portion;

Fig. 5 is shown in FIG, and handle launches the transparent view of the perambulator partially opened with cabin completely;

Fig. 6 is shown in FIG, and the transparent view being in the perambulator of assembled state rotating out with seat is opened in cabin completely; And

Fig. 7 is shown in figure 6, has the transparent view of the perambulator of accessory mounted thereto.

Describe in detail; Selection in addition and prioritizing selection

Fig. 1 shows the folding configuration 10 for the perambulator for one embodiment of the invention.In this embodiment, this folding configuration is similar to automobile or kart, and can be suitable for being used as toy.

Folding configuration 10 comprises main body 12, and main body 12 has the encapsulation (footprint) of the general rectangular with the wheel being positioned at each bight.Main body 12 comprises folding cabin, and folding compartment chamber opening is to form the seat of perambulator as described below.In folding configuration, the upper surface 14 of main body is formed by the back side of the lid in folding cabin.This lid can be formed by firm plastic material, and firm plastics can be molded as the shape of any needs, such as, as the shape of the kart car body in this embodiment.

At each forward corner of main body, attachment one wheel pairs 16.Wheel 16 is installed in rotation on support 18, and support 18 is fixing on the main body 12.Wheel 16 can be made up of the material of the type used conventional in perambulator, such as, is made up of wear-resistant plastic.Wheel 16 can have tire.Although bight shows two wheels in each of front, the present invention is not limited to this layout; One or more wheel can be used.Support 18 can be pivotally mounted to main body in a usual manner to facilitate manipulation.

Wheel 20 is positioned at each rear bight of main body.As shown in Figure 2, rear wheel 20 is mounted to rotate together with axle 22, axle 22 across main body 12 lagging dege and be installed in rotation on sleeve 24.As shown in Figures 2 and 3, securing rod 26 is pivotally mounted on sleeve, pivotable between the unlocked position that the latched position preventing axle 22 from rotating with blocking element 28 wherein and wherein blocking element 28 separate from axle 22.

Turn back to Fig. 1, folding configuration 10 also comprises the handle 30 of the antemarginal form arcuately along main body 12.Handle 30 also forms shaking hands of perambulator, so handle can by contributing to safety and the comfortable any suitable material of grip feeling is formed.

Folding configuration 10 can be supported on wheel 16,20, therefore, it is possible to be easy to promote along ground.Alternatively, folding configuration can wheel 16 and earth surface in the past, is pulled by handle 30 in the mode of the wheeled suitcase of routine.Therefore can easily transport folding configuration 10, and not need carrying.

Special advantage of the present invention is, folding configuration has the size allowing it to be taken as the hand-baggage on airplane flight.The upperlimit of the professional standard of hand-baggage is 56cm × 45cm × 25cm.Therefore, the length of folding configuration, as front portion to the rear portion of rear wheel 20 of the past wheel 16, is therefore 56cm or less, and is preferably less than the stricter requirement that 50cm forces to meet some airline companys.Similarly, the width of folding configuration, as between the outside face of front wheel 16 and/or rear wheel 20, is 45cm or less, is preferably 40cm or less.The height of folding configuration, such as from bottom wheel to the upper surface 14 of main body or the normal component of distance to the vertex of handle, be 25cm or less, preferred 20cm or less.

Fig. 3 to Fig. 6 describes each stage from folding configuration 10 to the conversion of the perambulator 100 (see Fig. 6) assembled.

Fig. 3 shows the first stage in assembling process, wherein, by pulling rear wheel 20 away from main body 12, the wheel base portion of folding configuration is launched.As described above, rear wheel 20 is arranged on axle 22, axle 22 and then be installed in rotation in sleeve 24.Each sleeve 24 is formed in the end of corresponding arm 32, and arm 32 is slidably mounted in the corresponding guide rail 34 of the downside being formed in main body 12, as shown in Figure 2.In folding configuration 10, arm 32 can be contained in its respective guide rail 34 completely, and namely arm and guide rail can be length identical substantially.Guide rail 34 can have the cross-sectional plane of L shape or U-shaped, thinks that guide rail provides the rigidity of structure of needs.Guide rail 34 can be a part for underframe, and folding cabin is arranged on underframe, wherein chassis.Chassis can comprise arm 32 and one or more crossbeam, such as, and such as axle 22.Therefore underframe can be similar to extensible framework.

Selectivity pivot fitting 36 is formed in the rear end of each guide rail 34.Joint 36 is arranged to allow arm 32 to be slided by it.Although arm 32 is across joint 36, do not allow to rotate.But when the front end of arm 32 is slipped in joint 36, pivotable allows, and this makes rear wheel swing downwards, as shown in Figure 4.Arm 32 and guide rail 34 thus form the inverted V-shaped framework of perambulator.Pivot fitting 36 comprises the lock for fixing inverted V-shaped framework.

Fig. 4 shows the subordinate phase in assembling process, and wherein handle 30 launches away from main body 12.Handle 30 is connected to main body 12 by two pillars 38, and each pillar is slidably received within the corresponding groove (not shown) be formed in main body 12.In order to improve structural rigidity, this groove is formed in the housing being fixed to guide rail 34.Each pillar 38 can be formed by two or more telescopic pipes a series of.Telescopic pipe can allow handle 30 to extend (see such as Fig. 5) away from main body 12 with the distance being greater than the length of main body 12, also keeps enough structural strengths simultaneously.Telescopic pipe can be such as in the type of the middle routines used such as wheeled baggage.Such as, telescopic pipe can comprise flip-over type joint fastener (not shown), for locking pillar 38 at its extended position.

Fig. 5 shows the phase III in an assembling process, and wherein handle 30 launches completely, and the folding cabin be wherein formed in main body 12 is partially opened.

Folding cabin comprises lid 40, and lid 40 is pivotally connected to base portion 42 (being formed by the remainder of main body 12 in this embodiment).Pivotable connects is undertaken by the hinge 44 of the rear edge being formed in main body 12.Lid 40 can comprise anchor fitting (not shown), such as, at its front edge place for the clip that keeps it closed when being in folding configuration or snap close.

Folding cabin surrounds the seat part 50 of mold pressing, and seat part 50 defines the base portion of Seat of baby's carriage.Seat part 50 is pivotally mounted on lid 40.Pivotable connection is limited to prevent the angle between lid 40 and seat part 50 from exceeding predetermined value.This restriction has when lid is opened, and causes the effect prying open seat part 50 from the inside in cabin.

As in figure 6 more clearly shown in, the inside face of lid 40 comprises the backrest 46 for Seat of baby's carriage.In this embodiment, backrest 46 can be separated with lid 40.The position of backrest 46 on lid 40 can be adjustable, such as, allow the neck brace 48 be formed on backrest to locate in the appropriate distance apart from seat part 50.Seat part 50 and backrest 46 can be provided with conventional seatbelt fastener or clasp.

Fig. 6 shows the perambulator 100 being in assembled configuration.The lid in folding cabin is opened completely, makes it lean on the pillar 38 of handle 30.The lockout mechanism be such as arranged in hinge 44 can guarantee that lid 40 and seat part are in appropriate location.

Fig. 7 shows the perambulator 100 being in assembled configuration, has multiple additional optional accessory mounted thereto.Toe board 102 is arranged on below seat part 50.Toe board 102 is pivotally connected to base portion 12.Pivotable connects to be enable in cabin, to pack up toe board when folding configuration.Such as by the joint of center stand column with the attachment coordinated, pallet 104 can be arranged on above seat part 50.That the toy accessories 106 of bearing circle can removably be connected to pallet 104 in this embodiment.Heavy curtain 108, such as sun shade or rainproof cover, can be attached to the top of backrest 46.Storage compartments 110, such as, be made up of fabric and have and be formed in one or more pocket, between the arm 32 that can be attached at the framework of inverted V-shaped.

Claims (13)

1. a Pushchair, it has the main body by front wheel and rear wheel support, and wherein, described main body comprises:

Cabin, it has the lid of pivotable, and described lid is openable with the seat being provided for described perambulator; And

Extendible wheel base portion, it is moveable between folding configuration and assembled configuration, in folding configuration, described extendible wheel base portion forms planar frame below described main body, in assembled configuration, described extendible wheel base portion forms inverted V-shaped framework

Wherein, when the cover closing of the pivotable in described cabin and described extendible wheel base portion is in folding configuration time, described perambulator meets the volume being less than or equal to 56cm × 45cm × 25cm.

2. Pushchair according to claim 1, wherein, described cabin comprises the base segments that described lid is attached to it pivotly, and described lid and described base segments comprise the bonding part of the cooperation for described lid being fixed on off position.

3. Pushchair according to claim 1 and 2, wherein, the inside face of described lid comprises the backrest for Seat of baby's carriage.

4. Pushchair according to claim 3, wherein, described cabin comprises seat base, and described seat base is arranged to when described lid is opened so that when forming Seat of baby's carriage, outstanding to described backrest from described cabin at a certain angle.

5. the Pushchair according to any one in aforementioned claim, wherein, described extendible wheel base portion comprises a pair arm, each arm is slidably mounted on respective guide rail, wherein, be slidably between the retracted position of described arm below main body and pivot position, described in described pivot position, arm is relative to its respective guide rail pivotable, thus forms inverted V-shaped framework.

6. Pushchair according to claim 5, is included in the selectivity pivot fitting on described wheel base portion, and when described arm extends beyond preset distance backward, described pivot fitting allows described arm relative to its respective guide rail pivotable.

7. the Pushchair according to claim 5 or 6, wherein, each arm stops at boss members place, described boss members is in the corresponding cup-shaped member of the end that can be contained in the respective guide rail being formed in described arm, wherein, each arm is arranged to during described wheel base portion launches, and slides through its respective cup-shaped member, thus when having launched, described boss members is contained in described cup-shaped member.

8. the Pushchair according to any one in claim 5 to 7, wherein, described arm is by linking together for the axle of described rear wheel, and described axle is rotatably mounted relative to described arm.

9. Pushchair according to claim 8, comprise the lockout mechanism for described rear wheel, described lockout mechanism comprises latch members, and described latch members is resisted latched position that described axle rotates wherein and is pivotable relative to described axle between the activation point that freely rotates of described axle wherein.

10. the Pushchair according to any one in aforementioned claim, comprises the handle of the one end being arranged in described main body.

11. Pushchairs according to claim 10, wherein, described handle comprises the arch portion of the rear surface across described main body.

12. Pushchairs according to claim 10 or 11, wherein, described handle is extensible away from described main body.

13. Pushchairs according to claim 12, wherein, described handle is attached to described main body by telescopic prop.