CN108082246A - The perambulator of front-wheel support adjustable and balancing - Google Patents

Abstract

The invention discloses a kind of perambulators of front-wheel support adjustable and balancing, including transfer body, rolling mechanism and locking device, the present invention passes through above-mentioned design, operator directly can trample button above rolling mechanism and rolling mechanism is controlled to orient or turn to, easy to operate so as to achieve the purpose that；It is on the top to move down the button simultaneously as when operator operates, it thus can be to avoid the vamp of damage operator.

Description

The perambulator of front-wheel support adjustable and balancing

Technical field

The present invention relates to a kind of perambulator rolling mechanism course changing control mechanisms more particularly to a kind of utilize unidirectionally to press or trample One button is the perambulator for the front-wheel support adjustable and balancing that can reach control purpose.

Background technology

When promoting baby stroller, to make promotion laborsaving and smooth, usually in the nose-wheel well of perambulator or trailing wheel pipe（Hand push The convertible pushing direction of bar）It installs the rolling mechanism that can be turned to additional, moreover installs locking device additional in the rolling mechanism, So that the rolling mechanism is able to selection rolling mechanism and can be freely rotatable and may be positioned such that single direction rotates.

The perambulator of existing traditional front-wheel support adjustable and balancing, is mainly controlled by by the treadle, and institute Treadle is stated mainly to be articulated on the transfer body, and between two-wheeled, and the diameter of general wheel is all higher than Transfer body, therefore when operator wants to control the rotation direction of the rolling mechanism, except having to move to roller press Outside being operated before structure, it is necessary to hand or foot are stretched between two-wheeled and operated, comparable inconvenience；In addition, work as operator Operate the treadle upwards so as to release positioning states when, it is necessary to hooked upwards with foot, this easily undermines the vamp of operator.

The content of the invention

Based on the deficiencies of the prior art, it is a primary object of the present invention to provide a kind of baby of front-wheel support adjustable and balancing Youngster's vehicle, the mechanism makes operator by unidirectionally pressing or trampling just controllable rolling mechanism orientation or freely turn to, so as to grasp Make simplicity, and do not damage operator's vamp.

To achieve these goals, the perambulator of front-wheel support adjustable and balancing provided by the invention is installed on perambulator skeleton On to lock or discharge the direction of advance of perambulator rolling mechanism, the perambulator of the front-wheel support adjustable and balancing includes：Peace There is arranged in parallel first to hold for the transfer body of lower end loaded on the perambulator skeleton, the transfer body Put slot and the second storage tank；Rolling mechanism, including connecting seat and wheel, the connecting seat is equipped with locating slot, and upper end is pivotally connected In the first storage tank, lower end is articulated in the wheel；And the locking device in the rolling mechanism is installed on, for locking or releasing Put the rotation between the rolling mechanism and the transfer body；The locking device includes button, drive control group, determines Position pin and elastic element, wherein the button is installed on the upper end of the transfer body, and the drive control group is pacified In the second storage tank loaded on the transfer body, the positioning pin is arranged at the lower section of the drive control group, works as institute When stating that button is depressed to be moved down, the drive control group drives the locating slot of the positioning pin and the rolling mechanism to be protected The system of holding so that the rolling mechanism remains orientation state, when the button again it is depressed move down when, it is described fixed Position pin is supported by the elastic element and departs from the locating slot, so that the rolling mechanism is in free steering state.

Compared with prior art, the present invention is turned to fixed using button, drive control group and positioning pin control rolling mechanism Position makes rolling mechanism freely turn to, makes to be installed on the first time of the button above rolling mechanism and is driven when moving down, logical Rolling mechanism described in the drive control group driving positioning pin blocking is crossed, so that the rolling mechanism is in orientation state；When When operator presses button again for the second time, the positioning pin departs from the transfer body so that the rolling mechanism is in certainly By steering state.By above-mentioned design, operator directly can trample button above rolling mechanism and rolling mechanism is controlled to determine To or turn to, it is easy to operate so as to achieve the purpose that；Simultaneously as operator operate when, be make on the top the button to Lower movement, thus can be to avoid the vamp of damage operator.

To make the present invention easier to understand, make further details of retouch to the present invention below in conjunction with drawings and examples It states.

Description of the drawings

Fig. 1 is the three-dimensional combination figure of the perambulator of front-wheel support adjustable and balancing of the present invention.

Fig. 2 is the three-dimensional exploded view of the perambulator of front-wheel support adjustable and balancing of the present invention.

Fig. 3 is the action schematic diagram of the drive control group of the perambulator of front-wheel support adjustable and balancing of the present invention.

Fig. 4 is the sectional view of the perambulator of front-wheel support adjustable and balancing of the present invention.

Specific embodiment

The specific embodiment that the present invention is further explained below in conjunction with the accompanying drawings.

Referring initially to shown in Fig. 1-3, the perambulator of the front-wheel support adjustable and balancing of one embodiment of the invention includes One transfer body 2, a rolling mechanism 3, a locking device 5 and a blocking mechanism 4.The rolling mechanism attitude reference device installation In 100 lower end of foot tube of perambulator skeleton, available for the direction of advance of locking rolling mechanism 3, and the locking can be released, made described Change direction of advance is freely rotated in rolling mechanism 3.

The transfer body 2 is connected with 100 both sides of foot tube, and the transfer body 2 has first to hold Slot 21 is put, for being pivotally connected the rolling mechanism 3.In the present embodiment, the rolling mechanism 3 is connected including a connecting seat 31 and one Axis 32 wherein the connecting seat 31 is pivotally connected the wheel 33, is provided with a positioning groove 311, the connection on the connecting seat 31 Axis 32 is perpendicular to the connecting seat 31 and extends or connect, by the groove 321 and blocking mechanism 4 on 32 top of connecting shaft, Make the rolling mechanism 3 is removable to be combined with the transfer body 2.The blocking mechanism 4 is housed with described first Slot 21 is vertically arranged, including a driving button 41, a clip 42 and elastic element 43, when the connecting shaft 32 be inserted into it is described During the first storage tank 21, the clip 42 and 321 blocking of groove of the connecting shaft 32, so that rolling mechanism 3 is limited It rotates, but can not depart from from the transfer body 2 in the clip 42, when operator wants to remove the rolling mechanism When 3, the driving button 41 is pressed, makes the limitation for the groove 321 that the clip 42 released to the connecting shaft 32, so that The transfer body 2 can be departed from by obtaining the rolling mechanism 3.

Next referring to Fig. 3.The inside of the transfer body 2 is equipped with parallel with first storage tank 21 second Storage tank 22, and extend several retainers 221 in the wall surface of second storage tank 22, it is then formed between the retainer 221 Guide groove 222；In the present embodiment, 2 bottom of transfer body is equipped with a fixed bottom cover 23, and the bottom cover 23 has one to lack Slot 231.

The locking device 5 shown in -4 is please referred to Fig.2 again.The locking device 5 is installed on the transfer body 2, uses It is oriented in the control rolling mechanism 3 or non-directional rotates.The locking device 5 include a button 51, a drive control group 52, One positioning pin 53 and elastic element 54；Wherein described button 51 is installed on the top of the transfer body 2 to drive Dynamic control group 52.The drive control group 52 further comprises a drive rod 55 and a rolled-up stock 56.The positioning pin 53 can It is mobile to be installed on 52 lower end of drive control group, and through the bottom cover 23 of the transfer body 2, and with the rolling The locating slot 311 of mechanism 3 forms blocking or disengaging, so as to control the rolling mechanism 3 compared with 2 turns of the transfer body It is dynamic or not rotatable.Two elastic elements 54 be respectively arranged between the button 51 and the drive control group 52 and Between the drive control group 52 and the positioning pin 53.

Wherein described drive rod 55 is installed in second storage tank 22, and positioned at 51 lower section of button, the drive The bottom of lever 55 is the promotion inclined-plane 551 such as ratchet-like, and the rolled-up stock 56 is installed on 55 lower section of drive rod so that The rolled-up stock 56 is subject to the driving of the drive rod 55 and moves, and then promotes the movement of the positioning pin 53.The compacting Part 56 is movably installed in second storage tank 22.The periphery of the rolled-up stock 56 extends guide block 561, the guide block 561 are located at the guide groove 222 of 22 wall surface of the second storage tank, and are guided and moved by the guide groove 222, the top of the guide block 561 End is provided with stopper section 562, in addition, one end of the rolled-up stock 56 is provided with opposite with the promotion inclined-plane 551 and is in spine Dentation by promote inclined-plane 563.

Operator promotes the drive rod 55 to move down by suppressing the button 51, at this point, the drive rod 55 The rolled-up stock 56 is promoted, the rolled-up stock 56 is moved down by the guide groove 222 guiding, and makes to be located under the rolled-up stock 56 The positioning pin 53 of side moves down and forms blocking with the locating slot 311 of the rolling mechanism 3, so that the rolling mechanism 3 compared with the transfer body 2 be the state that can not rotate, has achieved the purpose that orientation；Meanwhile the rolled-up stock 56 An angle is slightly rotated by inclined-plane 563 is promoted to be promoted the driving on inclined-plane 551 by the drive rod 55 so that the rolled-up stock 56 Guide block 561 generates dislocation with the guide groove 222, at this point, the stop of 22 inner wall of the second storage tank is withstood in the stopper section 562 221 lower end of portion, original position can not be returned to by so allowing for the rolled-up stock 56, and the rolled-up stock 56 is made to keep to described Positioning pin 53 generates compacting, so that the positioning pin 53 keeps the blocking state to the rolling mechanism 3.

When operator needs to rotate 3 non-directional of rolling mechanism, similarly press down on the button 51 and push away It moves the drive rod 55 to move down, the driving for being promoted inclined-plane 551 by promotion 563 driven lever 55 of inclined-plane of the rolled-up stock 56 And the angle that slightly rotates, the retainer 562 of the guide block 561 of the rolled-up stock 56 is made to depart from the retainer 221 and to positive institute Guide groove 222 is stated, and by the elastic element 54 rolled-up stock 56 is made to be returned to original by the guiding of the guide groove 222 Position, at this point, the positioning pin 53 departs from the locating slot 311, so that the rolling mechanism 3 can be with the connecting shaft 32 rotate for axle center compared with the transfer body 2.

In the present embodiment, the elastic element 54 is set between the positioning pin 53 and the rolled-up stock 56（In this reality It applies in example as a compression spring）, except when operating the rolling mechanism 3 and being rotated in non-directional, by the elastic element 54 Elasticity make outside 56 homing of rolled-up stock, also when operating the rolling mechanism 3 and orienting state, the locating slot 311 When not up to 53 relative position of positioning pin, the elastic element 54 keeps promoting the positioning pin 53, until turning to During positioning, make the positioning pin 53 into formation blocking in the locating slot 311.

Device described above, button 51 of the invention may be disposed at the top surface of the transfer body 2.When operator wishes When hoping locking or discharging the direction of advance of the rolling mechanism 3, it can easily be touched with sole point and step on the button 51.No matter lock or The direction of advance of the rolling mechanism 3 is discharged, operator only need to push the button 51 with sole, and need not touch vamp, institute There is effect that is easy to operate and not damaging operator's vamp with the present invention.

The above disclosed right for being only presently preferred embodiments of the present invention, the present invention cannot being limited with this certainly Scope, therefore the equivalent variations made according to scope of the present invention patent still fall within the scope that the present invention is covered.

Claims (9)

1. a kind of perambulator of front-wheel support adjustable and balancing, it is characterised in that：Including：Transfer body is installed on described The lower end of perambulator skeleton, the transfer body have the first storage tank and the second storage tank arranged in parallel；It rolls Mechanism, described including connecting seat, wheel and connecting shaft, the connecting seat is equipped with locating slot, and the connecting seat upper end passes through institute Removable the first storage tank for being installed on the transfer body of connecting shaft is stated, lower end is articulated in the wheel；And locking Device is installed in the rolling mechanism to lock or discharge to turn between the rolling mechanism and the transfer body Dynamic, the locking device includes button, drive control group, positioning pin and elastic element, wherein the button be installed on it is described The upper end of transfer body, and the drive control group is installed in the second storage tank of the transfer body, it is described Positioning pin is arranged at the lower section of the drive control group, the positioning pin the button is depressed move down when by described Drive control group drives and keeps blocking with the locating slot of the rolling mechanism, so that the rolling mechanism remains orientation shape State, and the positioning pin the button again it is depressed move down when supported by the elastic element and depart from the positioning Slot, so that the rolling mechanism is in free steering state；The elastic element is respectively arranged in the button and the drive Between dynamic control group and between the drive control group and the positioning pin, the elastic element is compression spring.

2. the perambulator of front-wheel support adjustable and balancing as described in claim 1, it is characterised in that：The transfer body The blocking mechanism of a control and clamping or the release of the connecting shaft is equipped between the connecting shaft.

3. the perambulator of front-wheel support adjustable and balancing as described in claim 1, it is characterised in that：The transfer body Bottom is equipped with a bottom cover, and the bottom cover is equipped with a short slot.

4. the perambulator of front-wheel support adjustable and balancing as claimed in claim 3, it is characterised in that：In second storage tank Wall is equipped with the retainer of several protrusions, and forms guide groove between each retainer.

5. the perambulator of front-wheel support adjustable and balancing as claimed in claim 4, it is characterised in that：The drive of the locking device Dynamic control group has a drive rod and a rolled-up stock, and the button, drive rod, rolled-up stock and elastic element promote the positioning Pin makes the positioning pin by the short slot of the bottom cover and the locating slot blocking with the rolling mechanism.

6. the perambulator of front-wheel support adjustable and balancing as claimed in claim 5, it is characterised in that：The drive rod with it is described The end of rolled-up stock be respectively equipped with matched ratchet-like promote inclined-plane and ratchet-like by inclined-plane is promoted so that described Drive rod can promote and rotate the rolled-up stock.

7. the perambulator of front-wheel support adjustable and balancing as claimed in claim 5, it is characterised in that：One end of the rolled-up stock Protrusion forms a guide block, and the guide block is located in the guide groove of second storage tank, makes the rolled-up stock can be along the guide groove It slides.

8. the perambulator of front-wheel support adjustable and balancing as claimed in claim 7, it is characterised in that：The top shape of the guide block Into a stopper section, and the stopper section can be moved down with the rolled-up stock, and be may be driven bar and promoted and rotate, and pass through rotation So that the guide block generates dislocation and can not retract the guide groove after departing from the guide groove, and thus persistently suppress the positioning pin And the rolling mechanism is made to keep orientation state.

9. the perambulator of front-wheel support adjustable and balancing as claimed in claim 9, it is characterised in that：The button by again to During lower compacting, the rolled-up stock is subject to the compacting of the drive rod and rotates so that the guide block to just described guide groove and by The elastic force of the elastic element moves up, and then the positioning pin is made to depart from the locating slot, so that the rolling mechanism In state is freely rotated.