CN201102564Y

CN201102564Y - Folding device of baby carriage

Info

Publication number: CN201102564Y
Application number: CNU2007200556840U
Authority: CN
Inventors: 李启明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-17
Filing date: 2007-08-17
Publication date: 2008-08-20
Anticipated expiration: 2017-08-17

Abstract

The utility model discloses a baby-carrier folding device, including a pedestal, a manual pushing component hinged on the pedestal and a folding mechanism. The folding mechanism consists of a support with a guide slot arranged on the manual pushing component and a supporting rod hinged on the pedestal which slides along the guide slot on the support; the support is provided with a flexible latch piece with a latch supporting rod. Compared with the prior technology, the utility model simplifies the design structure, makes the operation and use more convenient and rapid, and avoids misfolding due to errors with the insurance self-locking function. The baby-car folding device has the advantages of safety, reliability and reduced cost, which is applicable to the folding need of the baby-car structure.

Description

A kind of folding device of perambulator

Technical field

The utility model relates to a kind of folding device, belongs to field of mechanical technique, especially a kind of perambulator folding device with insurance auto-lock function.

Background technology

At present, in a lot of commodity fields,, tend on product, be provided with draw-in and draw-off function in order to make the bigger product of some volumes save parking space and to be convenient to carrying, general way is exactly in the folding and unfolding bending place of product fold mechanism to be set, for example Collapsible pushchair.But in the prior art, the folding device parts of some perambulator are many, complex structure, and manufacturing and operation are all pretty troublesome, and productive costs is also than higher; On the other hand, existing perambulator folding device does not much all insure auto-lock function, and this class folding device can make the bad stability of perambulator, and the careless slightly running condition that will change perambulator uses very dangerous.Though also there is partially folded device to be provided with the insurance auto-lock function, improved the stability and the safety of entire product, yet these folding device folding and unfoldings relatively require great effort, complex structure is unfavorable for promoting the use of equally.

Summary of the invention

The purpose of this utility model is to overcome shortcoming in the above-mentioned technology with not enough, and a kind of quick, cost-cutting simple in structure, easy for operation, safe and reliable perambulator folding device are provided.

In order to realize above-mentioned target, the utility model is realized by following technical scheme:

A kind of folding device of perambulator comprises pony sill and the hand push parts that are articulated on the pony sill; Also comprise a fold mechanism, comprise being located at having the bearing of guide groove on the hand push parts and being articulated in pony sill upper edge bearing guide groove sliding type braces; Bearing is provided with the elasticity latch piece of kayser strut bar.Elasticity latch piece flexible can kayser or discharged strut bar, realizes the expansion of fold mechanism or folding, thereby drives the folding and unfolding of perambulator.

Above-mentioned elasticity latch piece comprises-shell, with the bearing sliding block joint, runs through in it that cross bar being set;-fixture block, hinged by jump ring and bearing, which is provided with guide groove with above-mentioned cross bar tabling;-retracing spring, the one end is connected with shell, and the other end is connected with baffle plate on being fixed in bearing.The sliding extension of shell can drive fixture block and rotate around jointed shaft, and the restoring force of jump ring and retracing spring can guarantee that external force is made the time spent shell and fixture block can return to normal losing.

Further, to be positioned at the part of bearing guide groove be hook-type to described fixture block.

Above-mentioned bearing is provided with spacing safety piece.The effect of spacing safety piece is to provide a kind of safety lock function, for whole fold mechanism, entire product provide second stage protection.

Above-mentioned spacing safety piece is articulated in an end of bearing by jump ring.

Further, described spacing safety piece is provided with handle and at least two restriction protrusion.

The utility model has compared with prior art been simplified project organization, manipulates more convenient, and have the insurance auto-lock function, the mistake that can avoid causing because of error folds, and is safe and reliable, reduce cost, be specially adapted to the folding needs of structure of carriage for children.

In order to understand the utility model more clearly, set forth the specific embodiment of the present utility model below with reference to description of drawings.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the birds-eye view of bearing.

Fig. 3 is the cutaway view of I-I direction among Fig. 2.

Fig. 4 is the perspective view of bearing.

Fig. 5 a, 5b, 5c are the action effect figure of elasticity latch piece.

Fig. 6 is the structural representation that the utility model is in semi-collapsed condition.

Fig. 7 is the structural representation that the utility model is in complete folded state.

The specific embodiment

As shown in Figure 1, the utility model comprises pony sill 2 with wheel and the hand push parts 3 that are articulated on the pony sill, the hinged place of described pony sill 2 and hand push parts 3 is provided with fold mechanism, comprises being located at the bearing 1 that has guide groove 11 on the hand push parts and being articulated in pony sill 2 upper edge bearing guide grooves 11 sliding type braces 4.

Shown in Fig. 2～4, an end of bearing is provided with elasticity latch piece 12, comprises shell 121, is located in the shell, by jump ring and a bearing pivotally attached fixture block 122 and a retracing spring 123.Fixture block 122 is an irregular derby, and the part that is positioned at the bearing guide groove is a hook-type 1221, and fixture block is provided with guide groove 1222, is installed with the cross bar 2211 that runs through guide groove on the shell.Retracing spring 123 1 ends are connected with shell, and the other end is connected with baffle plate on being fixed in bearing.Stretching of elasticity latch piece shell 121 can drive fixture block 122 around the jointed shaft rotation, with kayser or release strut bar, and the expansion of realization fold mechanism or folding, thereby the folding and unfolding of drive perambulator.Shown in Fig. 5 a, when pulling out the shell 121 of elasticity latch piece, the cross bar 1211 that runs through guide groove is outward movment thereupon, drives fixture block 122 and rotates around jointed shaft, and fixture block 122 slowly withdraws from bearing guide groove 11; Shown in Fig. 5 b, when pulling shell 121 acquired a certain degree, fixture block 122 withdrawed from bearing guide groove 11 fully, and strut bar 4 loses the kayser effect of fixture block 122 and slides along guide groove 11; Shown in Fig. 5 c, after strut bar 4 discharges, decontrol shell 121, shell 121 loses tension, return to normal under the effect of spring restoring force, and fixture block 122 also rotates under jump ring restoring force and shell drive and places in the guide groove 11.

The other end of bearing 1 is hinged with a spacing safety piece 13 by jump ring, and this spacing safety piece 13 is similarly an irregular bonding jumper, is provided with handle 131 and two restriction protrusion 132,133.Restriction protrusion 132 in the middle of being positioned at is a vertical surface near a side of handle, and a side corresponding with it is arcwall face; The restriction protrusion 133 in the outside is outward-dipping.Effect lower limit safety piece 13 in external force can turn an angle around jointed shaft, does the time spent when losing external force, and spacing safety piece 13 also can return to normal under the jump ring elastic reaction.The effect of spacing safety piece 13 is to provide a kind of safety lock function, for whole fold mechanism, entire product provide second stage protection.

Running condition of the present utility model is as described below:

As shown in Figure 1, the utility model is in complete deployed condition.The fulcrum of strut bar 4 is built in an end of bearing guide groove 11 and by the fixture block kayser of elasticity latch piece, this moment, strut bar maintained static, and whole folding device launches fully.

As shown in Figure 6, the utility model is in semi-collapsed condition.In the time will folding this perambulator, only need pulled down elasticity latch piece 12 to make fixture block withdraw from guide groove 11 and can discharge strut bar 4, under the effect of perambulator own wt, strut bar 4 slides along guide groove 11, until the restriction protrusion 133 of running into spacing safety piece 13 outsides.Because this restriction protrusion 133 is outward-dipping, the extruding of strut bar 4 can not make this spacing safety piece 13 rotate automatically, and this moment, perambulator just was in semi-collapsed condition.The effect here of spacing safety piece 13 is that the mistake that control causes owing to slipping up folds, and avoids damaging perambulator and injury child.

As shown in Figure 7, the utility model is in complete folded state.When needs folded this perambulator fully, as long as press the handle 131 of lower limit safety piece, spacing safety piece rotated, and the restriction protrusion 133 in the outside forwards to outside the bearing, and strut bar 4 continues to decontrol handle along guide groove 11 slips.When inboard restriction protrusion 132 is run in strut bar 4 slips, because the surface that this moment, this restriction protrusion 132 contacted with strut bar 4 is an arcwall face, can rotate automatically at strut bar 4 extruding lower limit safety pieces, it is indefinite at the guide groove internal fixation that the terminal and limited safety piece that strut bar 4 can continue to slide into guide groove 11 fixes, and this moment, perambulator was in complete folded state.If do not push handle, perambulator is in self-locking state can't launch automatically, safe and reliable.

The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and modification.

Claims

1, a kind of folding device of perambulator, comprise pony sill (2) and be articulated in hand push parts (3) on the pony sill, it is characterized in that: also comprise a fold mechanism, comprise and be located at the bearing (1) that has guide groove (11) on the hand push parts and be articulated in pony sill upper edge bearing guide groove sliding type braces (4); Bearing (1) is provided with the elasticity latch piece (12) of kayser strut bar.

2, the folding device of a kind of perambulator according to claim 1 is characterized in that: described elasticity latch piece (12) comprising:

-shell (121) with the bearing sliding block joint, runs through in it that cross bar (1211) being set;

-fixture block (122), hinged by jump ring and bearing, which is provided with guide groove (1222) with above-mentioned cross bar (1211) tabling;

-retracing spring (123), the one end is connected with shell, and the other end is connected with baffle plate on being fixed in bearing.

3, the folding device of a kind of perambulator according to claim 2 is characterized in that: the part that described fixture block (122) is positioned at the bearing guide groove is hook-type (1221).

4, the folding device of a kind of perambulator according to claim 1 is characterized in that: described bearing (1) is provided with spacing safety piece (13).

5, the folding device of a kind of perambulator according to claim 4 is characterized in that: described spacing safety piece (13) is articulated in an end of bearing by jump ring.

6, according to the folding device of claim 4 or 5 described a kind of perambulators, it is characterized in that: described spacing safety piece (13) is provided with handle and at least two restriction protrusion.