CN2389813Y

CN2389813Y - Collapsible perambulator

Info

Publication number: CN2389813Y
Application number: CN 99214732
Authority: CN
Inventors: 杨正帆; 游咏富
Original assignee: SHANGYUFENG Ltd BRITISH VIRGIN ISLANDS
Current assignee: SHANGYUFENG Ltd BRITISH VIRGIN ISLANDS
Priority date: 1999-07-01
Filing date: 1999-07-01
Publication date: 2000-08-02
Anticipated expiration: 2009-07-01

Abstract

The utility model relates to a foldble baby carriage for babies riding, which can be folded for storage, and the volume is the minimum after the foldable baby carriage is folded. The baby carriage has a moving carriage frame which can cause the baby carriage to be both in a folded state and in a stretched state. The carriage frame comprises a front foot pipe, a rear foot pipe integrally combined with a seat part and an armrest pipe, the three pipes are connected with each other through an articulated structure, and can close with each other with the articulated structure as a rotation center. The length of a once folded carriage frame can be reduced to about a half of the stretched state, and the occupied volume is the minimume. Simultaneously, the carriage frame can stand but can not fall down under folded state, so that the occupied space under the folded state can be reduced.

Description

Pushchair

The utility model relates to a kind of Collapsible pushchair, its have one make perambulator not only can be in folding state but also the movable carriage, particularly vehicle frame that can be in extended configuration through a doubling during to folding state, its shared volume will contract to minimum.

Existing multiple at present multi-form perambulator is released, shared volume design-calculated Pushchair when wherein being no lack of for the minimizing collection, and such Pushchair is of a great variety, and disclosed relevant patent comprises US Patent 3,953,046,4,094,531,4,126,331,4,248,443,4,346,912,4,369,986,5,123,670,5,201,535,5,257,799,5,417,450,5,427,402,5,460,398,5,468,009,5,499,831,5,553,885,5,622,377,5,765,855,5,769,447,5,882,030 etc.; The disclosed Pushchair of above-mentioned US Patent, comprised a movable carriage that makes perambulator not only can be in folding state but also can be in extended configuration haply, this vehicle frame is made of front foot pipe, rear foot tube, handrail tube and seat tube at least, and has comprised wheel that perambulator moves and the seat of taking for the infant can be provided; When vehicle frame is in folding state, its front foot pipe and rear foot tube or handrail tube are asymmetric state, be that handrail tube can protrude from trailing wheel when folding state, or the front and rear wheel position of forward and backward pin pipe not contour (as US Patent 5,257, the Figure 10 in 799, US Patent 5, shown in Figure 3 in 882,030), this shows the length that still has certain depth direction when vehicle frame is positioned at folding state; In addition, the vehicle frame folding got up and only there is the wheel of front foot pipe bottom to contact when making perambulator upright with ground, being perambulator only has two wheels on two front foot pipe to contact with ground when being folding and upright state, and wheel is rotatable, therefore perambulator can't be stood when being folding and upright state, so collection just can only be flat on the perambulator that is folding state ground during perambulator or lean on wall wall or other objects, yet be flat on the ground and can occupy bigger collection space, can reduce occupied space though be erectility, but must lean on other objects, make troubles for the collection of perambulator.

In addition, when carrying out stroller design, at the comfort feature that does not influence its use, under the situation of traveling comfort and safety, the designer strives for simplification structure so that reduce production work program or cost-cutting, and the patent No. is 3,953,046,4,094,531,4,369,986,5,257, disclosed in the US Patent of 799 grades is the stroller frame structure that a kind of rear foot tube can be used as the seat support pipe, but wherein rear foot tube extends to form the seat portion that the abutment chair cover is put forward in the articulated section with front foot pipe, and this kind body frame structure for automotive has reduced the composed component of seat support pipe, promptly reduce the assembly working program, reduced productive costs; Yet under folding state, still have the problem of asymmetric length between front foot pipe, rear foot tube and handrail tube, make depth direction length to contract to the shortest, and when folding and erectility, also can't stand as previously mentioned, shown in can't solve the problem of collection.

Main purpose of the present utility model provides a kind of through a doubling during to folding state, and the depth direction length of perambulator is the shortest stroller configuration.

Another purpose of the present utility model provides the stroller configuration that a kind of rear foot tube can form seat portion.

A purpose more of the present utility model provides a kind of stroller configuration that still can stand under folding state.

The perambulator that the utility model provides comprises that makes its movable carriage that not only can be in folding state but also can be in extended configuration, and wherein vehicle frame comprises a pair of articulation structure, a pair of front foot pipe, a pair of rear foot tube and a handrail tube at least; This articulation structure has first joint and second joint, this first joint and this second joint articulate, and this second joint can from the primary importance of this same axis in first joint on, rotation is near to the second place that has angle with this first knuckle shaped, and have a release gear on this articulation structure, this release gear not only can make this second joint be fixed on this primary importance but also can make this second joint break away from this primary importance; This front foot pipe one end front-wheel that is pivoted, the other end is fixed on this first joint; One end of this rear foot tube trailing wheel that is pivoted, the other end and this first joint articulate, and extend to form a seat portion forward from the articulated section; This handrail tube and this second joint phase configuration.

The perambulator that the utility model provides, when vehicle frame is in the folding state place, the front foot pipe of vehicle frame and rear foot tube are positioned on the same horizon at the pivot place of wheel, and handrail tube can be borrowed to stretch and adjust length, make perambulator under folding state, its front foot pipe, rear foot tube and handrail tube are symmetric offset spread, particularly after a doubling, perambulator contracts to the shortest in the length of depth direction, simultaneously under folding and upright state, a pair of front-wheel and pair of rear wheels all can contact with ground, and these 4 contact with ground, and perambulator is stood under folding state; And rear foot tube and seat portion be linked to be inseparable integral body each other, reduced the composed component of vehicle frame on the one hand, just do not have outstanding member on the other hand when vehicle frame is in folding state, thereby reduced vehicle frame shared space when folding state.

In order to illustrate further feature of the present utility model and technology contents, the utility model is described in detail in detail below in conjunction with embodiment and accompanying drawing.

Fig. 1 is the structural representation that the utility model is in extended configuration;

Fig. 2 be the utility model by extended configuration to folding state transitional structure scheme drawing;

Fig. 3 is the structural representation that the utility model is in folding state;

Fig. 4 is an enforcement illustration of the present utility model.

Perambulator of the present utility model has one makes its vehicle frame 10 that not only can be in folding state (as shown in Figure 3) but also can be in the activity of extended configuration (shown in the 1st figure), and when being folding state, perambulator can not use, and can be folded into smaller volume, is convenient to collection; When being extended configuration, perambulator can be taken and can advance for the infant.

As shown in Figure 1, vehicle frame 10 is made of a pair of front foot pipe 101, a pair of rear foot tube 102 and handrail tube 103 at least; Front foot pipe 101 1 ends dispose a front wheel carrier 20, and the other end then disposes an articulation structure 30, can articulate a front-wheel 40 on front wheel carrier 20; Wherein articulation structure 30 is made up of first joint 301 and second joint 302, first joint 301 has one and supplies front foot pipe 101 to be nested with the portion of being fixedly coupled 3011, second joint 302 also has one and supplies handrail tube 103 to be nested with the portion of being fixedly coupled 3021, being connected between first joint 301 and the second joint 302 is that rotation articulates, make that second joint 302 can be by be converted into the second place that the second joint 302 and first joint 301 form an angle in the primary importance with first joint, 301 coaxial lines, on first joint 301, has an articulated section 3012 in addition, on this articulated section 3012, articulate rear foot tube 102, rear foot tube 102 1 ends dispose a rear wheel frame 50, on rear wheel frame 50, can articulate a trailing wheel 60, the other end of rear foot tube 102 then extends a distance, d forward by 3012 places, articulated section, but thereby having formed the seat support portion 1021 that an abutment chair 70 is nested with, seat 70 can strut for the infant and take; On second joint 302, has an articulated section 3022 in addition, on this articulated section 3022, can articulate a support tube 80, one end of support tube 80 is articulated on this articulated section 3022, the other end then is articulated in the appropriate position of rear foot tube 102, make when perambulator is positioned at extended configuration the triangle state that front foot pipe 101,

rear foot tube

102 and 80 formation of support tube support mutually; Handrail tube 103 can stretch in addition, has a fixed cover 1031 on handrail tube 103, and its effect is the distance that fixed armrest pipe 103 is adjusted, or release handrail tube 103 makes its scalable moving.

On articulation structure 30, also be provided with a release gear 303, this release gear 303 can make second joint 302 be fixed on the above-mentioned primary importance, as vehicle frame 10 being moved to folding state, must press release gear 303 and make this second joint 302 break away from this primary importance, just can move to the above-mentioned second place.

As Fig. 1, Fig. 2, shown in Figure 3, perambulator is when extended configuration, first joint 301 of articulation structure 30 and the connecting

portion

3011,3021 of second joint 302 are on same axis (being that front foot pipe 101 and handrail tube 103 are at same axis), the triangle state that front foot pipe 101,

rear foot tube

102 and 80 formation of support tube support mutually can strut for the infant seat 70 that is nested with 103 of rear foot tube 102 and handrail tubes and takes; When the user will be with the perambulator evolution during to folding state, needing rear foot tube 102 is that axial front foot pipe 101 is close with articulated section 3012, pulling handrail tube 103 is that axial rear foot tube 102 is near (this moment, handrail tube 103 was owing to cooperate its length of action of folding to shorten) with articulation structure 30, make front foot pipe 101, rear foot tube 102 and handrail tube 103 are drawn close mutually and are become the state of folding folding, front foot pipe 101, rear foot tube 102 and handrail tube 103 are symmetric offset spread under folding state, make vehicle frame 10 contract to minimum, and the seat support portion 1021 of rear foot tube 102 will be thereupon moving near front foot pipe 101 in the distance of its depth direction after a doubling.

In addition, when vehicle frame 10 is in folding state, be positioned on the same horizon a-a ' with the front-wheel 40 of rear foot tube 102 phase configuration and the pivot place 401,601 of trailing wheel 60 with the front foot pipe 101 of vehicle frame 10, make perambulator in folding and when upright, a pair of front-wheel 40 and pair of rear wheels 60 all can contact with ground, perambulator contacts and can stand with ground with 4, so that collect perambulator in upright mode.

Be another embodiment of articulation structure 30 in the utility model as shown in Figure 4, articulation structure 30 shown in Fig. 1 is to be articulated by first and second joint 301,302 that an end has a disc face to constitute, and in Fig. 4, first joint 302 is formed with 3023 of a grip part, and the front end of grip part 3023 is provided with release gear 303, like this as when wanting that vehicle frame 10 gone to folding state by running condition, the user only need hold grip part 3023 and press release gear 303 and upwards mention, can utilize the deadweight of vehicle frame 10 easily and go to collapsed position, operate more or less freely.

According to the Pushchair of the utility model preparation, its main effect is:

1. Pushchair is after a doubling, and front foot pipe, rear foot tube and handrail tube are symmetric offset spread, and the length of perambulator depth direction is contracted to minimum.

2. the rear foot tube of Pushchair has extended to form a seat portion, come the abutment chair cover to put thereby need not to be provided with other supporting member, used member when having saved perambulator and making, and institute takes up space and contracts to minimum when making perambulator be in folding state.

3. when Pushchair is in folding state, be positioned on the same horizon with the front foot pipe of vehicle frame and the front-wheel of rear foot tube phase configuration and the pivot place of trailing wheel, make perambulator under folding and upright state, can stand, and the supporting member that need not other support.

The above only is a preferable possible embodiments of the present utility model, is not in order to limiting claim of the present utility model, and the efficient construction for the treatment of that all utilization the utility model specification sheetss and accompanying drawing content are done changes, and all belongs to protection domain of the present utility model.

Claims

1. Pushchair, it has one can is characterized in that this vehicle frame includes from extended configuration through the foldable chassis of doubling to folding state:

A pair of articulation structure, this articulation structure has first joint and second joint, this first joint and this second joint articulate, and this second joint can from the primary importance of this same axis in first joint on, rotation is near to the second place that has angle with this first knuckle shaped, and have a release gear on this articulation structure, this release gear not only can make this second joint be fixed on this primary importance but also can make this second joint break away from this primary importance;

A pair of front foot pipe, this front foot pipe one end front-wheel that is pivoted, the other end is fixed on this first joint;

A pair of rear foot tube, an end of this rear foot tube trailing wheel that is pivoted, the other end and this first joint articulate, and extend to form a seat portion forward from the articulated section;

One handrail tube, this handrail tube and this second joint phase configuration.

2. Pushchair as claimed in claim 1 is characterized in that, this first joint have one with the connecting portion of this front foot pipe phase configuration.

3. Pushchair as claimed in claim 2 is characterized in that, this first joint has an articulated section that is articulated with this rear foot tube.

4. Pushchair as claimed in claim 1 is characterized in that, this second joint have one with the connecting portion of this handrail tube phase configuration.

5. Pushchair as claimed in claim 1 is characterized in that this second joint has an articulated section.

6. Pushchair as claimed in claim 5 is characterized in that, is pivoted with a support tube between articulated section that this second joint has and rear foot tube.

7. Pushchair as claimed in claim 1 is characterized in that, disposes seat support between the seat support portion of this rear foot tube and this handrail tube.

8. Pushchair as claimed in claim 1 is characterized in that, this handrail tube is a telescopic pipe, also has a fixed cover can discharge or fix the flexible length of adjusting of this handrail tube.

9. Pushchair as claimed in claim 1 is characterized in that, when this vehicle frame was positioned at folding state, this front foot pipe be pivoted articulated section of this trailing wheel of the articulated section of this front-wheel and this rear foot tube that is pivoted was positioned on the same horizon.