CN2521107Y

CN2521107Y - Foldable tricycle with safety locking buckle

Info

Publication number: CN2521107Y
Application number: CN 02202149
Authority: CN
Inventors: 陈钦娇
Original assignee: HUANWEI ENTERPRISES CO Ltd
Current assignee: HUANWEI ENTERPRISES CO Ltd
Priority date: 2002-01-22
Filing date: 2002-01-22
Publication date: 2002-11-20
Anticipated expiration: 2012-01-22

Abstract

A folding tricycle with a safety snap comprises a rear-wheel support, a front-wheel support in mutual pivot connection, a hand-rest support, two connecting rods and two positioning mechanisms, wherein the two connecting rods are used to connect the front-wheel support and the rear-wheel support via pivots. The rear-wheel support is provided with two hollow side tubes for containing the positioning mechanism. The hand-rest support is equipped with plug with a positioning hole and the plug is formed by an opposite side tube. The positioning mechanism is provided with an actuating rod and a locating pin. The actuating rod is capable of moving upwards and downwards, and the locating pin is for being fixedly connected to the actuating rod and for being inserted into the positioning hole. The actuating rod is equipped with a deflector rod protruding from the side tube. In using time, the only thing needed is to toggle the deflector rod to drive the actuating rod to actuate the locating pin to release from the positioning hole, and then the front-wheel support and the hand-rest support can be folded or extended.

Description

Collapsible three-wheel vehicle with secure latch

(1) technical field

The utility model relates to a kind of buggy, is meant a kind of collapsible three-wheel vehicle with secure latch that can fold and can hide detent mechanism especially.

(2) background technology

" three-wheel vehicle " is that present baby is used for riding instead of walk and the common vehicle wherein a kind of, therefore, go out easy to carry or fold easily and do not take up space for making, this three-wheel vehicle generally all has can be for the device of folding, make three-wheel vehicle can supply to be seated in car trunk or narrower and small place, so the customer is in the requirement of using, except the structural safety of strengthening vehicle body, also more and more pay attention to for practicality on using and comfort feature.But, buggy is arranged on the function of safety in utilization and folding, extension, still have the space of improving and promoting, need further to promote practicality and comfort feature on using.

(3) utility model content

The purpose of this utility model is to provide a kind of and can conveniently folds and can hide detent mechanism and reduce the damage rate and promote the collapsible three-wheel vehicle with secure latch of overall aesthetics.

Collapsible three-wheel vehicle with secure latch of the present utility model comprises a rear wheel frame, a front wheel carrier, two connecting rods, an arm-rest frame and two detent mechanisms; This rear wheel frame has two side pipes, and this side pipe has ring wall, an oppositely directed end, an other end that defines a perforation, and one runs through ring wall and near the strip hole of the other end; This front wheel carrier rear wheel frame relatively extends into primary importance forward or is folded to the second place backward, has two relative ends and two ear seats, and this ear seat has a perforation that can supply the end to place respectively, and two protrude the auricle of ends; But this connecting rod pivot knot front wheel carrier and rear wheel frame; This arm-rest frame rear wheel frame relatively upwards extends into primary importance or is folded to the second place downwards, have two relative ends and two ear seats, this ear seat has the bottom surface that a perforation, two that can supply the end to place is protruded ends and can be supplied can place and form for rear wheel frame side lever one end with the auricle, of front wheel carrier auricle pivot knot a saturating dead slot respectively, reaches the knock hole of a relative side lever perforation; This detent mechanism is to be set in the perforation of rear wheel frame side pipe, have one can upper and lower start an operating bar and a locating tab, this operating bar has one and forms the end that a driving lever protrudes the rear wheel frame strip hole, and one extend upward and can for and the locating tab bonded assembly other end, locating tab can be made progress to the primary importance that plugs together with knock hole or down to the second place that breaks away from knock hole.

Adopt such scheme, during use, need only stir driving lever, just can drive operating bar and drive locating tab disengaging knock hole, reach the purpose of folding or extension front wheel carrier and arm-rest frame, whereby, detent mechanism is hidden in the side pipe fully, not only can reduces the damage rate, and can promote integral aesthetic property.

For further specifying the purpose of this utility model, constructional feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is a front elevation, and a rear wheel frame, a front wheel carrier, two connecting rods, an arm-rest frame, a location mechanism and a safety lock of collapsible three-wheel vehicle one preferred embodiment that the utlity model has secure latch is shown.

Fig. 2 is a cutaway view, and the situation that this preferred embodiment this detent mechanism one location pin and this arm-rest frame one ear seat when extended state plug together is described.

Fig. 3 is a cutaway view, and the situation of this preferred embodiment this safety lock one pin and ear seat one jack location when extended state is described.

Fig. 4 is a cutaway view, illustrates that this preferred embodiment this detent mechanism location pin when collapse state breaks away from the situation of this arm-rest frame ear seat.

Fig. 5 is a cutaway view, illustrates that this preferred embodiment this safety lock pin when collapse state breaks away from the situation of ear seat jack.

Fig. 6 is a front elevation, and the collapse state of this preferred embodiment is described.

(5) specific embodiment

As shown in Figures 1 and 2, the preferred embodiment that the utlity model has the collapsible three-wheel vehicle of secure latch includes a rear wheel frame 10, a front wheel carrier 20, two connecting rods 30, an arm-rest frame 40, a location mechanism 50 and a safety lock 60.

This rear wheel frame 10 has two side pipes 11 and two rear wheels 12.This side pipe 11 has one and defines a perforation 111 ring wall 112, an oppositely directed end 113, the other end 114, and one runs through ring wall 112 and near the strip hole 115 of the other end 114.This wheel 12 is to be hubbed on side pipe 11 other ends 114.

This front wheel carrier 20 is roughly to be the U type, has the portion of receiving 22, two ear seats 23 and a front vehicle wheel 24 that relative two ends 21, are oppositely extended and are connected by two ends 21.This ear seat 23 has the jack 233 and that a perforation that can place for end 21 231, two auricles 232, that protrude ends 21 form on the auricle 232 respectively and extends to the guide groove 234 (as shown in Figure 6) of jack 233 by ora terminalis on the auricle 232 1.This front vehicle wheel 24 is to be hubbed on the portion of receiving 22 midway location places.

This connecting rod 30 can be distinguished on the side pipe 11 and front wheel carrier 20 of pivot knot rear wheel frame 10.

This arm-rest frame 40 has portion of receiving 42 and the two ear seats 43 that relative two ends 41, are oppositely extended and are connected by two ends 41.This ear seat 43 has a perforation that can place for end 41 431, two respectively and protrudes ends 41 and can be for can placing and form the bottom surface 434 of a saturating dead slot 433 for side pipe 11 1 ends 113 with the auricle 432, of front wheel carrier 20 auricles 232 pivots knot, and a bore a hole knock hole 435 of 111 of side lever 11 relatively.

This detent mechanism 50 is to be set in the perforation 111 of rear wheel frame 10 side pipes 11, have one can upper and lower start operating bar 51, a connecting piece 52, a locating tab 53 and an elastic parts 54.This operating bar 51 has one and forms the end 512 that a driving lever 511 protrudes side pipe 11 strip holes 115, and a upwardly extending other end 513.This connecting strap 52 has one can be for passing the bolt 524 of side pipe 11 ring walls 112 and connecting strap 52 strip holes 523 with an affixed end 521, the one upwardly extending other end 522, the strip hole 523 and of operating bar 51 other ends 513.This locating tab 53 have one can for the affixed end 531 of connecting strap 52 other ends 522 and can be for the other end 532 that plugs together with ear seat 43 knock holees 435.This elastic parts 54 is set on connecting strap 52 peripheries, have oppositely and can for bolt 534, locating tab 53 1 ends 531 against two distolateral 541,542.

This safety lock 60 has a ring seat 61, of being protruded by arm-rest frame 40 auricles 432 and is contained in pin 62, a pivot button 63 and an elastic parts 64 in the ring seat 61.This ring seat 61 has the sidewall 612 of a formation one perforation 611.This pin 62 has one and passes a perforation end 621 (as Fig. 3) of 611, and one can carry over the other end 622 that ear seat 23 guide grooves 234 and jack 233 plug together.This pivot button 63 have one form a pivot ear 631 and can for an end of pin 62 1 ends 621 pivots knot, and the other end that forms plectrum 632, this pivot ear 631 have one can for ring seat 61 sidewalls 612 against long side 6311, short brink 6312.This elastic parts 64 has oppositely and against pin 62 other ends 622 and two distolateral 641,642 of ring seat 61 sidewalls 612.

Consult Fig. 2, when reaching forward, front wheel carrier 20, arm-rest frame 40 relative rear wheel frames 10 upwards extend into when location, locating tab 53 1 ends 531 of this detent mechanism 50 can be by the elastic force ejection of elastic parts 54, affect connecting strap 52 and operating bar 51, to connecting strap 52 strip holes 523 ends till live bolt 524, at this moment, these locating tab 53 other ends 532 can be for plugging together with ear seat 43 knock holees 435, make rear wheel frame 10 and arm-rest frame 40 obtain the effect that fixes, and and front wheel carrier 20 between push away support mutually with connecting rod 30, form operational extended position.

Consult Fig. 3, after front wheel carrier 20, arm-rest frame 40 relative rear wheel frames 10 extend, can pull the plectrum 632 of safety lock 60 downwards, make pivot button 63 with short brink 6312 and ring seat 61 against, and pine oil pin 62, make pin 62 be subjected to elastic parts 64 ejections, slide onto with jack 233 and plug together and carry over ear seat 62 guide grooves 624 (consulting Fig. 6) with the other end 622, make the ear seat 23,43 of front wheel carrier 20, arm-rest frame 40 be subject to pin 62 and can't turn fold, form lock-out state, and have safe protection effect.

Consult Fig. 5, therefore, when front wheel carrier 20, when arm-rest frame 40 relative rear wheel frames 10 reach backward and fold downwards, must upwards pull earlier the plectrum 632 of safety lock 60, make pivot button 63 with the sidewall 612 of long side 6311 and ring seat 61 against, and pull pin 62 1 ends 621, make pin 62 other ends 622 elasticity of compression assemblies 64, and break away from the jack 233 of auricle 232, and make the ear seat 23,43 of the no longer spacing front wheel carrier 20 of mortise lock 62, arm-rest frame 40, become pivotable state.

Consult Fig. 4, Fig. 6, whereby, the driving lever 511 that need only stir operating bar 51 downwards is to ring

Wall 112 strip holes 115 ends make operating bar 51 downward tractive connecting straps 52 and locating tab 53,

To connecting strap 52 strip holes 523 tops till live bolt 524, at this moment, this locating tab 53

The other end 532 meeting elasticity of compression assemblies 54, and the knock hole 435 of disengaging ear seat 43 make trailing wheel

Frame 10 fixes no longer mutually with arm-rest frame 40, and relatively rear wheel frame 10 fold front wheel carrier 20 and

Arm-rest frame 40, formation can be for the stowed position of collection.

Conclude above-mentionedly, the collapsible three-wheel vehicle with secure latch of the present utility model has following listed advantage and effect:

1. when the utility model folds, can make arm-rest frame 40 be folded in rear wheel frame 10 1 sides, make front wheel carrier 20 be folded in rear wheel frame 10 opposite sides, so, length, highly all can significantly reduce, make that the utility model can optionally be concealed in the family, in the automobile, and can not occupy too large space.

2. and detent mechanism of the present utility model 50 is collected in the perforation 111 of side pipe 11 fully; so; on outward appearance; do not see the existence that detent mechanism 50 is arranged fully; not only can form the interface of a protection by 112 pairs of detent mechanisms of side pipe 11 ring walls 50; outside making detent mechanism 50 be difficult for sheltering evil people and countenance evil practices or damaging, and the smooth degree can promote detent mechanism 50 actions the time, and make integral body have more aesthetic property.

3. in addition, the utlity model has a safety lock 60, can be under the state of locking, front wheel carrier 20, arm-rest frame 40 are formed a lock protect effect, and can be because of the operating bar 51 of false touch detent mechanism 50, the situation that causes arm-rest frame 40, front wheel carrier 20 to become flexible can effectively promote the safety in the use.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. the collapsible three-wheel vehicle of a tool secure latch is characterized in that it includes:

One rear wheel frame has two side pipes, and this side pipe has ring wall, an oppositely directed end, an other end that defines a perforation, and one runs through ring wall and near the strip hole of the other end;

One relatively rear wheel frame extend into primary importance forward or be folded to the front wheel carrier of the second place backward, have two relative ends and two ear seats, this ear seat has a perforation that can place for the end respectively, and two protrude the auricle of ends;

The connecting rod of two pivots knot front wheel carrier and rear wheel frame;

One relatively rear wheel frame upwards extend into primary importance or be folded to the arm-rest frame of the second place downwards, have two relative ends and two ear seats, this ear seat has a perforation that can place for the end, two respectively and protrudes ends and can be for placing and form the bottom surface of a saturating dead slot and the knock hole that a relative side lever is bored a hole for rear wheel frame side lever one end with the auricle, of front wheel carrier auricle pivot knot;

Two are set in the detent mechanism in the perforation of rear wheel frame side pipe, have respectively one can upper and lower start an operating bar and a locating tab, this operating bar has one and forms the end that a driving lever protrudes the rear wheel frame strip hole, and one extend upward and can for and the locating tab bonded assembly other end, locating tab can be made progress to the primary importance that plugs together with knock hole or down to the second place that breaks away from knock hole.

2, collapsible three-wheel vehicle with secure latch as claimed in claim 1, it is characterized in that: this three-wheel vehicle has more a safety lock, this front wheel carrier also has a comparatively safe lock and forms in jack on the auricle, and one extend to the guide groove of jack by ora terminalis on the auricle one, this safety lock has a ring seat by arm-rest frame auricle protrusion, one is contained in the pin in the ring seat, one pivot button, an and elastic parts, this ring wall has one and forms a sidewall of boring a hole, this pin has an end that passes perforation, and one can carry over the other end that guide groove and jack plug together, this pivot button has an end that forms a pivot ear and can supply to tie with pin one end pivot, and the other end of a formation plectrum, this pivot ear have one can for the ring seat sidewall against long side, short brink, this elastic parts have oppositely and two distolateral against pin and ring seat sidewall.

3, the collapsible three-wheel vehicle with secure latch as claimed in claim 1, it is characterized in that: this detent mechanism also has an elastic parts that is set on the connecting strap periphery respectively with the fixed connecting strap and of operating bar and locating tab, this connecting strap has the bolt that a strip hole and passes side pipe ring wall and strip hole, and this elastic parts has oppositely and against an end and the other end of locating tab and bolt.