CN2531989Y

CN2531989Y - Folding structure for baby perambulator

Info

Publication number: CN2531989Y
Application number: CN 01255232
Authority: CN
Inventors: 杨正帆
Original assignee: Zhong Shan City Long Shun Daily Products Co ltd Regie Selon Les Lois Chinoises Ste
Current assignee: Zhongshan Longcheng Daily Products Co Ltd
Priority date: 2001-08-16
Filing date: 2001-08-16
Publication date: 2003-01-22
Anticipated expiration: 2011-08-16

Abstract

Disclosed is a folding structure for a baby-car, comprising a lengthened framework which can accommodate one or more seats. The foldable framework is composed of a handle bracket, an armrest, a front wheel bracket, a back wheel bracket and a seat connecting bar. According to the utility model a seat can be arranged on the seat connecting bar and the backrest of the seat can be supported through a flexible loop bar which consists of an inner bar and an outer bar, wherein the outer bar is provided with a longitudinal slot for the inner bar to slide inside. When installing, first insert the inner bar into the longitudinal slot of the outer bar, then pivot the inner bar with the armrest and pivot the outer bar with the seat connecting bar. After the pivoting, the armrest and the seat connecting bar together restrict the flexible loop bar and prevent the flexible loop bar from being disengaged from the structure.

Description

The folding structure of perambulator

[technical field]

The utility model relates to a kind of doll carriage, refers to a kind of improvement of collapsible skeleton of doll carriage especially.

[background technology]

Doll carriage, common is the kenel of one-seater, if will become double seat, its pattern can have a kind of left and right seat side by side as U.S. Pat D 418,780 disclosed double seat go-carts, control just be provided with brake handle supplier at its handle portion; The double seat go-cart of this kind kenel can't fold basically.Therefore, when transporting and collect, the double seat of this kind go-cart utmost point takes up room, and is not suitable for each family.

And for example US Patent the 5th, 263, the 730 double seat go-carts of being created, and its seat belongs to before one, the kenel after; This kind go-cart can be at more rugged average ground running because of having bigger wheel.But equally also have the shortcoming that can't fold, can occupy bigger collection and transport the space.

[summary of the invention] problem that go-cart can't fold at above-mentioned double seat, the purpose of this utility model is to provide a kind of collapsible perambulator skeleton, and its further purpose is to improve the structure of the expansion link in the perambulator skeleton.According to the design, can be with go-cart skeleton lengthening, the tandem seat of installing in the skeleton of lengthening.The skeleton of this lengthening has at least: handle supporting, handrail, front-wheel support, rear wheel support, an and seat link.Wherein handle supporting can be down haply " U " font and uprightly or tiltedly stand on end after this perambulator.Handrail then can be arranged at the both sides of doll carriage skeleton abreast, and rear end and handle supporting articulate, and make skeleton in the process of folding, and handrail must be amounted to handle supporting by pivot.

The upper end of front-wheel support and handrail leading section articulate.Rear wheel support then tiltedly stands on the side of this perambulator, and its upper end articulates (near the upper end of front-wheel support) with this handrail leading section, and the lower end then articulates by a wheels permanent seat trailing wheel.Close by the pivoting point that makes front-wheel support and rear wheel support upper end, when folding skeleton, aforementioned front-wheel and rear wheel support can pivot and close up, and reach the purpose of saving carrying and storage space.

Yet tentatively study discovery, the supporting rod of the front stall chair back of this kind perambulator is extremely difficult to be arranged, and causes the interference between the member easily when skeleton folds and cause finishing and fold.The mode of Xie Jueing is to change this supporting rod into general expansion link at last.But common flexible rod member has screw and the elongated slot that exposes, and causes scratch, tong and inaesthetic phenomenon easily in operation.

Telescopic sleeving rod structure of the present utility model comprises: two parts such as interior bar and outer bar.Its China and foreign countries' bar has a longitudinal socket and can be inserted in for the body of rod of interior bar and slidably reciprocate.During installation, can earlier interior bar be inserted in the longitudinal socket of outer bar, the last pivoting point of bar and handrail articulate in utilizing again, and utilize the following pivoting point of outer bar and seat link to articulate, and, telescopic sleeving rod is freely separated outside between bar and the seat link by the restriction of handrail and seat link.By embodiment as can be known, telescopic sleeving rod can change continuously with the relative position between handrail and the seat link and stretch, elongated slot that process does not expose or screw, attractive in appearance and safety.

[description of drawings] Fig. 1 is a kind of doll carriage lateral plan of lengthening, and wherein rod member 50 can't stretch.Figure 2 shows that wherein pipe link before doll carriage folds, the pin connected assembly system between itself and the handrail rests on the lower end of elongated slot.Figure 3 shows that wherein pipe link after doll carriage folds, the pin connected assembly system between itself and the handrail rests on the upper end of elongated slot.Fig. 4 is the expansion link perspective view of the utility model.Fig. 5 is the expansion link perspective exploded view of the utility model.Fig. 6 is a kind of doll carriage block diagram of lengthening, wherein the common rod member of rod member 50 for stretching.Fig. 7 to Fig. 9 be utilize the design doll carriage fold the action scheme drawing continuously.

[embodiment detailed description] reaches shown in " Fig. 6 " as " Fig. 1 ", a kind of through lengthening and be suitable for settling the skeleton of one or more doll carriage seat, comprise at least: handle supporting 10, handrail 11, front-wheel support 12, rear wheel support 13, and main portion such as a seat link 20.Wherein handle supporting 10 can be down haply " U " font and uprightly or tiltedly stand on end after this perambulator, two arms down and the stage casing level, turning to and advancing and retreat of doll carriage can be controlled for the operator of doll carriage in its stage casing in order to gripping.And handrail 11 can be arranged at the both sides of doll carriage skeleton abreast, and rear end and handle supporting 10 articulate, and make skeleton in the process of folding, and handrail 11 must be amounted to handle supporting 10 by pivot.As everyone knows, the ideal form of handle supporting 10 is not limited to falling shown in " Fig. 1 " " U " font, also can be as US Patent the 5th, 882,030 handle, be two parallel oblique vertical rod bodies that are independent of the doll carriage rear end, above the body of rod, install a pair of lever person additional, also belong to another feasible enforcement kenel.

The lower end of front-wheel support 12 has a wheels permanent seat can articulate (can with general known wheels permanent seat with, icon not) with front-wheel, and the wheels permanent seat can left-right rotation and change the direction of front-wheel, and uses and change turning to of doll carriage.The upper end of front-wheel support 12 can articulate with the leading section of handrail 11.Rear wheel support 13 tiltedly stands on the side of this perambulator, and its upper end articulates (near the upper end of front-wheel support 12) with the leading section of this handrail 11, and the lower end then articulates (can be identical with generally known wheels permanent seat, not icon) herein by a wheels permanent seat with trailing wheel.For saving the space of carrying and storage doll carriage, front-wheel support 12 should be fully close with the pivoting point of rear wheel support 13 upper ends, makes when folding skeleton, and front-wheel support 12 can close up with rear wheel support 13.

And in order to settle seat support, end is articulated in front-wheel support 12 before utilizing seat link 20, and the rear end is articulated in handle supporting 10, and the pivot joint of front and back ends is supported by this, make seat link 20 be carried the loading of certain degree, so just can above seat link 20, arrange the seat of doll carriage.It is a long metal frame or platform that seat link 20 described herein also can change into, articulates with front-wheel support 12 and handle supporting 10 simultaneously as long as its longitudinal length is enough, and allows the top have enough spaces and width to settle the seat of doll carriage.

Because this is the doll carriage of a kind of front and back sizes lengthening, when settling seat, the seat of forward end, its backrest need to support to some extent, therefore usually need be between handrail 11 and seat link 20 again addition one rod member 50 with support seat back.

The skeleton that illustrates from " Fig. 7 to Fig. 9 " folds process as can be known, and in the process of folding, handrail 11 will change continuously with the relative position of seat link 20, so the length of rod member 50 also must change thereupon, folds otherwise whole skeleton can't be finished entirely.

For addressing this problem, present terms of settlement is to utilize the pipe link of being illustrated as " Fig. 2, Fig. 3 " 30 to substitute rod members 50.Elongated slot 31 is arranged on the pipe link 30, and pin connected assembly passes elongated slot 31 and is articulated in handrail 11.Before folding, such as " Fig. 2 " signal, pin connected assembly is in elongated slot 31 lower ends; After folding, such as " Fig. 3 " signal, pin connected assembly is in the upper end of elongated slot 31, though therefore pipe link 30 not flexibles will be unlikely the process that influence folds also.

But above-mentioned elongated slot that exposes 31 and pin connected assembly collude brokenly seat cloth cover easily between moving, or careless tong, have the safety anxiety to consider.

" Fig. 4 " reaches " Fig. 5 " and is the improved expansion link structure of the design: bar 41 and outer bar 42 two parts in improved telescopic sleeving rod 40 comprises.Its outer bar 42 has a longitudinal socket 4200 and supplies the body of rod of interior bar 41 to be inserted in the round slip of do.During installation, can earlier interior bar 41 be inserted in the longitudinal socket 4200 of outer bar 42, the last pivoting point 4100 of bar 41 articulates with handrail 11 in utilizing again, and utilize the following pivoting point 4210 of outer bar 42 and seat link 20 to articulate, and by handrail 11 and seat link 20 restrictions, bar 41 can't disengaging in the longitudinal socket 4200 of outer bar 42 in said structure in making.

Can learn that by " Fig. 6 " if use non-retractable rod member 50, then whole group skeleton can't fold.But if adopt the improved telescopic sleeving rod 40 of the design, as the diagram of Fig. 7 to Fig. 9 as can be known, improved telescopic sleeving rod 40 can stretch with the handrail 11 and the continuous variation of the relative position of seat link 20, elongated slot that its appearance does not expose or screw, the generally attractive in appearance and safety of expansion link.

The technical personnel of the industry also can utilize general plastics or high-intensity engineering plastics ejection formation when knowing that the design's improved telescopic sleeving rod 40 can be made with common metal.Multiple variation also can be done in the outside of this external telescopic sleeving rod 40, " Fig. 3 " aspect of illustrating for example, and a side of bar 42 is extended a lateral lip 4300 outside, can support other accessory person on the skeleton, also belongs to a variation practical range feasible according to the utility model.

The above, if the variation sample attitude of doing according to the utility model easily, for example the interior bar 41 and outer bar 42 turned upside down of telescopic sleeving rod 40 are installed, or other different choice person is arranged on material, will still belong to the utility model claim and desire to contain and advocate to be the scope of equalization.

Pivoting point 4300.......................... lateral lip 50............................ rod member under the upper pivoting point 4200.......................... longitudinal socket 4210.......................... of the outer bar 4100.......................... of bar 42............................ in [conventional letter] 10............................ handle brackets 11............................ handrail 12............................ front-wheel support 13............................ rear wheel support 20............................ seat link 30............................ connecting rod 31............................ elongated slot 40............................ telescopic sleeving rod 41............................

Claims

1. the folding structure of a perambulator has collapsible skeleton, makes to reduce its collection volume after folding, and wherein this skeleton comprises at least: leader's support, can be uprightly or tiltedly stand on this perambulator after end for the usefulness that promotes this perambulator; One handrail, an end and this handle supporting articulate; One front-wheel support is positioned at this perambulator end before, and its upper end articulates with the leading section of this handrail, and the lower end then articulates with front-wheel; One rear wheel support tiltedly stands on the side of this perambulator, and its upper end articulates with this handrail leading section, and the lower end then articulates with trailing wheel; One seat link, an end and this front-wheel support articulate, and an other end then articulates with this handle supporting; And a telescopic sleeving rod, its upper end articulates with this handrail, and its lower end and this seat link articulate; When folding, can change length with the variation of the relative position of aforementioned seat link and handrail.

2. the folding structure of a kind of perambulator according to claim 1 is characterized in that the structure of this telescopic sleeving rod comprising at least: an outer bar, have the longitudinal socket of opening in its end, and be provided with a pivoting point at the other end; And bar in, an end can insert aforementioned longitudinal socket and slidably reciprocate, and the other end is provided with pivoting point.

3. the folding structure of a kind of perambulator according to claim 2 is characterized in that this outer bar utilizes its lower end and this seat link to articulate.

4. the folding structure of a kind of perambulator according to claim 2 is characterized in that bar utilizes its upper end and this handrail to articulate in this.

5. the folding structure of a kind of perambulator according to claim 2 is characterized in that this outer bar utilizes its upper end and this handrail to articulate.

6. the folding structure of a kind of perambulator according to claim 1 is characterized in that bar utilizes its lower end and this seat link to articulate in this.

7. according to the folding structure of the described a kind of perambulator of claim 1, it is characterized in that the structure of this telescopic sleeving rod, comprise at least: an outer bar has the longitudinal socket of opening in its end, be provided with a pivoting point at the other end, outside this, enclose outside the bar and have a lateral lip at least; And bar in, an end can insert aforementioned longitudinal socket and slidably reciprocate, and the other end is provided with pivoting point.

8. the folding structure as a kind of perambulator according to claim 7 is characterized in that this outer bar utilizes its lower end and this seat link to articulate.

9. the folding structure of a kind of perambulator according to claim 7 is characterized in that bar utilizes its upper end and this handrail to articulate in this.

10. the folding structure of a kind of perambulator according to claim 7 is characterized in that this outer bar utilizes its upper end and this handrail to articulate.

11. the folding structure of a kind of perambulator according to claim 7 is characterized in that bar utilizes its lower end and this seat link to articulate in this.

12. the folding structure of a kind of perambulator according to claim 1, it is characterized in that this rear wheel support and this handrail end pivoting point, near holding before, make described skeleton when folding, allow this rear wheel support and front-wheel support reduce fully closing person because of angle with this handrail.