CN109131522A

CN109131522A - Perambulator steering system with rolling mechanism

Info

Publication number: CN109131522A
Application number: CN201710449759.1A
Authority: CN
Inventors: 陈海波
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-15
Filing date: 2017-06-15
Publication date: 2019-01-04

Abstract

The perambulator steering system with rolling mechanism that the invention discloses a kind of, including transfer ontology, rolling mechanism and locking device, the present invention passes through above-mentioned design, operator directly can trample key above rolling mechanism and control rolling mechanism orientation or turn to, to achieve the purpose that easy to operate；Simultaneously as be above to move down the key when operator operates, it thus can be to avoid the vamp of damage operator.

Description

Perambulator steering system with rolling mechanism

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 key is the perambulator steering system with rolling mechanism that can reach control purpose.

Background technique

It is laborsaving and smooth to make to push when pushing baby stroller, usually in the nose-wheel well of perambulator or rear-wheel pipe (hand push The convertible pushing direction of bar) install the rolling mechanism that can be turned to additional, moreover locking device is installed 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.

Existing traditional perambulator steering system with rolling mechanism, is mainly controlled by the treadle, and institute It states treadle to be mainly articulated on the transfer ontology, and between two-wheeled, and the diameter of general wheel is all larger than Transfer ontology, therefore when operator wants the rotation direction of the control rolling mechanism, except having to move to roller press Outside being operated before structure, it is necessary to hand or foot are protruded between two-wheeled and operated, comparable inconvenience；In addition, working as operator The treadle is being operated upwards thus when releasing positioning states, it is necessary to be hooked upwards with foot, this is easy the vamp for undermining operator.

Summary of the invention

Based on the deficiencies of the prior art, the main purpose of the present invention is to provide a kind of, and the perambulator with rolling mechanism turns to System, the mechanism makes operator by unidirectionally pressing or trampling just controllable rolling mechanism orientation or freely turn to, to grasp Make simplicity, and does not damage operator's vamp.

To achieve the goals above, the perambulator steering system provided by the invention with rolling mechanism is installed on perambulator skeleton On to lock or release the direction of advance of perambulator rolling mechanism, the perambulator steering system with rolling mechanism includes: peace There is arranged in parallel first to hold for the transfer ontology of lower end loaded on the perambulator skeleton, the transfer ontology Set slot and the second accommodation groove；Rolling mechanism comprising attachment base and wheel, the attachment base is equipped with locating slot, and upper end is pivotally connected In the first accommodation groove, lower end is articulated in the wheel；And it is installed on the locking device in the rolling mechanism, for locking or releasing Put the rotation between the rolling mechanism and the transfer ontology；The locking device includes key, drive control group, determines Position pin and elastic element, wherein the key is installed on the upper end of the transfer ontology, and the drive control group is pacified In the second accommodation groove loaded on the transfer ontology, the positioning pin is set to the lower section of the drive control group, works as institute When stating that key 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 be made to remain orientation state, when the key again it is depressed move down when, it is described fixed Position pin is supported by the elastic element and is detached 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 key, drive control group and positioning pin control rolling mechanism Position turns to rolling mechanism freely, is driven the key being installed on above rolling mechanism first time 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 key again for the second time, the positioning pin is detached from the transfer ontology, so that the rolling mechanism is in certainly By steering state.By above-mentioned design, operator directly can trample key above rolling mechanism and control rolling mechanism and determine To or turn to, to achieve the purpose that easy to operate；Simultaneously as operator operate when, be make above the key to Lower movement, thus can be to avoid the vamp of damage operator.

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

Detailed description of the invention

Fig. 1 is the three-dimensional combination figure for the perambulator steering system that the present invention has rolling mechanism.

Fig. 2 is the stereogram exploded view for the perambulator steering system that the present invention has rolling mechanism.

Fig. 3 is the action schematic diagram of the drive control group for the perambulator steering system that the present invention has rolling mechanism.

Fig. 4 is the sectional view for the perambulator steering system that the present invention has rolling mechanism.

Specific embodiment

The specific embodiment that the present invention is further explained with reference to the accompanying drawing.

Referring initially to shown in Fig. 1-3, the perambulator steering system with rolling mechanism of one embodiment of the invention includes One transfer ontology 2, a rolling mechanism 3, a locking device 5 and a blocking mechanism 4.The rolling mechanism attitude reference device installation It in 100 lower end of foot tube of perambulator skeleton, can be used for locking the direction of advance of rolling mechanism 3, and the locking can be released, make described Change direction of advance is freely rotated in rolling mechanism 3.

The transfer ontology 2 is connect with 100 two sides of foot tube, and the transfer ontology 2 has first to hold Slot 21 is set, for being pivotally connected the rolling mechanism 3.In the present embodiment, the rolling mechanism 3 includes a connecting seat 31 and a connection Axis 32 is provided with a positioning groove 311, the connection wherein the attachment base 31 is pivotally connected the wheel 33 on the attachment base 31 Axis 32 is perpendicular to the attachment base 31 and extends or connection, by the groove 321 and blocking mechanism 4 on 32 top of connecting shaft, Make the rolling mechanism 3 is removable to combine with the transfer ontology 2.The blocking mechanism 4 is and described first accommodates Slot 21 is vertically arranged, including a driving key 41, a clip 42 and elastic element 43, when the connecting shaft 32 be inserted into it is described When the first accommodation groove 21,321 blocking of groove of the clip 42 and the connecting shaft 32, so that rolling mechanism 3 is limited It rotates, but can not be detached from from the transfer ontology 2 in the clip 42, when operator wants to remove the rolling mechanism When 3, the driving key 41 is pressed, so that the clip 42 is released the limitation to the groove 321 of the connecting shaft 32, to make The transfer ontology 2 can be detached from by obtaining the rolling mechanism 3.

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

Locking device 5 shown in Fig. 2-4 are please referred to again.The locking device 5 is installed on the transfer ontology 2, uses In controlling, the rolling mechanism 3 is oriented or non-directional rotates.The locking device 5 include a key 51, a drive control group 52, One positioning pin 53 and elastic element 54；Wherein the key 51 is installed on the top of the transfer ontology 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 run through the bottom cover 23 of the transfer ontology 2, and with the rolling The locating slot 311 of mechanism 3 forms blocking or disengaging, to control the rolling mechanism 3 relative to 2 turns of the transfer ontology It moves or not can be rotated.Two elastic elements 54 be respectively arranged between the key 51 and the drive control group 52 and Between the drive control group 52 and the positioning pin 53.

Wherein the drive rod 55 is installed in second accommodation groove 22, and is located at 51 lower section of key, the drive The bottom end 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 by the drive rod 55 driving and move, and then push the movement of the positioning pin 53.The compacting Part 56 is movably installed in second accommodation groove 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 accommodation groove, 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 push inclined-plane 563.

Operator pushes the drive rod 55 to move down by suppressing the key 51, at this point, the drive rod 55 The rolled-up stock 56 is pushed, the rolled-up stock 56 is moved down by the guide groove 222 guidance, 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 relative to the transfer ontology 2 be the state that can not be rotated, and has achieved the purpose that orientation；Meanwhile the rolled-up stock 56 An angle is slightly rotated by pushing inclined-plane 563 to be pushed the driving on inclined-plane 551 by the drive rod 55, so that the rolled-up stock 56 Guide block 561 and the guide groove 222 generate dislocation, at this point, the stop of 22 inner wall of the second accommodation groove is withstood in the stopper section 562 221 lower end of portion, original position can not be returned to by allowing for the rolled-up stock 56 in this way, keep the rolled-up stock 56 to described Positioning pin 53 generates compacting, so that the positioning pin 53 be made to keep the blocking state to the rolling mechanism 3.

When operator, which needs, rotates 3 non-directional of rolling mechanism, similarly presses down on the key 51 and push away It moves the drive rod 55 to move down, the rolled-up stock 56 is driven the driving that lever 55 pushes inclined-plane 551 by promotion inclined-plane 563 And the angle that slightly rotates, so that the retainer 562 of the guide block 561 of the rolled-up stock 56 is detached from the retainer 221 and to positive institute Guide groove 222 is stated, and is returned to the rolled-up stock 56 original by the guidance of the guide groove 222 by the elastic element 54 Position, at this point, the positioning pin 53 is detached from the locating slot 311, so that the rolling mechanism 3 can be with the connecting shaft 32 rotate for axle center relative to the transfer ontology 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 Apply in example as a compressed spring), in addition to 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 pushing the positioning pin 53, until turning to When positioning, enters the positioning pin 53 in the locating slot 311 and form blocking.

Such as above-mentioned device, key 51 of the invention may be disposed at the top surface of the transfer ontology 2.When operator is uncommon When prestige locks or release the direction of advance of the rolling mechanism 3, it can be touched easily with sole point and step on the key 51.No matter lock or The direction of advance of the rolling mechanism 3 is discharged, operator only need to push the key 51 with sole, and need not touch vamp, institute Have the effect of easy to operate with the present invention and does not damage operator's vamp.

Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly Range, therefore according to equivalent variations made by scope of the present invention patent, still fall within the range that the present invention is covered.

Claims

1. a kind of perambulator steering system with rolling mechanism, it is characterised in that: include: transfer ontology, be installed on described The lower end of perambulator skeleton, the transfer ontology have the first accommodation groove and the second accommodation groove arranged in parallel；It rolls Mechanism, including attachment base, wheel and connecting shaft, described, the attachment base is equipped with locating slot, and the attachment base upper end passes through institute Removable the first accommodation groove for being installed on the transfer ontology of connecting shaft is stated, lower end is articulated in the wheel；And locking Device is installed in the rolling mechanism and is turned between the rolling mechanism and the transfer ontology with locking or releasing Dynamic, the locking device includes key, drive control group, positioning pin and elastic element, wherein the key be installed on it is described The upper end of transfer ontology, and the drive control group is installed in the second accommodation groove of the transfer ontology, it is described Positioning pin is set to the lower section of the drive control group, the positioning pin the key 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 be made to remain orientation shape State, and the positioning pin the key again it is depressed move down when supported by the elastic element and be detached from the positioning Slot, so that the rolling mechanism is in free steering state；The elastic element is respectively arranged in the key and the drive Between dynamic control group and between the drive control group and the positioning pin, the elastic element is compressed spring.

2. as described in claim 1 with the perambulator steering system of rolling mechanism, it is characterised in that: the transfer ontology The blocking mechanism of a control and clamping or the release of the connecting shaft is equipped between the connecting shaft.

3. as described in claim 1 with the perambulator steering system of rolling mechanism, it is characterised in that: the transfer ontology Bottom is equipped with a bottom cover, and the bottom cover is equipped with a short slot.

4. as claimed in claim 3 with the perambulator steering system of rolling mechanism, it is characterised in that: in second accommodation groove Wall is equipped with the retainer of several protrusions, and forms guide groove between each retainer.

5. as claimed in claim 4 with the perambulator steering system of rolling mechanism, 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 key, drive rod, rolled-up stock and elastic element push the positioning Pin makes the positioning pin pass through the short slot of the bottom cover and the locating slot blocking of the rolling mechanism.

6. as claimed in claim 5 with rolling mechanism perambulator steering system, it is characterised in that: the drive rod with it is described The end of rolled-up stock be respectively equipped with the ratchet-like matched push inclined-plane and ratchet-like by inclined-plane is pushed so that described Drive rod can push and rotate the rolled-up stock.