CN2209641Y - Steering device for children's cycle - Google Patents

Abstract

The utility model relates to a steering device for a children's cycle, comprising a connection sleeve barrel sheathes with the framework of the children's cycle the top end of the connation sleeve barrel can be fixed and interlocked with a control frame through a fixed element; a sleeve tube of the bottom end is connected with a wheel seat body; a lower sleeve tube which corresponds to an upper sleeve shaft is arranged in the center of the wheel shaft of wheel seat body; two sleeve tubes are buckled through a lock shaft and a buckle ring; a limiting lock and a round wall are arranged between the connection sleeve tube and a pivot connection tube. The control frame is operated by the structure; the connection belt of a connection sleeve tube can drive the wheel shaft of the wheel seat body to turn; forward direction can be changed through the deflection of two front wheels.

Description

Steering device for children's cycle

The utility model relates to a kind of steering hardware of perambulator, particularly relates to a kind ofly utilizing one to be connected sleeve and to come fifth wheel pedestal and control frame, and member is simple, and the transmission steering hardware of perambulator more smoothly.

As shown in Figure 1, it is a kind of schematic perspective view of perambulator in the past, perambulator 1 mainly comprised a skeleton 11 in the past, skeleton 11 tops are provided with a seat cushion 12, skeleton 11 both sides of seat cushion 12 belows are respectively equipped with a trailing wheel 13, and skeleton 11 the place aheads are horizontally set with a radius stay 111, decorations frame 14 before the front upper place then is provided with, in order to change the direct of travel of perambulator 1, be provided with a connecting rod steering hardware 2 in skeleton 11 the place aheads.

As shown in Figure 2, it is the schematic top plan view of aforementioned perambulator in the past, the steering hardware 2 of perambulator 1 comprised two pivot joint blocks 22 that are hubbed on radius stay 111 both ends by bearing pin 21 in the past, each pivot joint block 22 lateral surface is connected with a front-wheel 15 respectively, block the place ahead difference is connecting portion 221 of projection forward, two connecting portions, 221 the place aheads then utilize two cooresponding contiguous blocks 23 joining piece 24 that respectively is pivoted, joining piece 24 and radius stay 111 parallel, joining piece 24 two ends engage by the contiguous block 23 of a bearing pin 25 and both sides respectively, 221 of contiguous block 23 and connecting portions articulate by another bearing pin 26 again, in order to control joining piece 24 cross travels, joining piece 24 central authorities form a knock hole 241, and knock hole 241 is established for outstanding connecting rod 271 hooks in control panel 27 bottoms.

The steering hardware 2 of perambulator 1 in use in the past, children hold control panel 27 and rotation, just can drive 271 swings of bottom connecting rod, when the hook portion 272 of connecting rod 271 ends swings, drive joining piece 24 cross travels that the phase hook is established, at this moment, be hubbed on contiguous block 23 displacement together at joining piece 24 two ends, and to drive pivot joint block 22 by the connection of connecting portion 221 be axis swing with bearing pin 21, therefore, the front-wheel 15 of Joint will beat, and changes direct of travel.That is to say that perambulator 1 was to connect control panel 27 and two front-wheels 15 with members such as connecting rod 271, joining piece 24, contiguous block 23, pivot joint block 21, six bearing pins 21,25,26 in the past.

The steering hardware 2 of perambulator 1 in when assembling in the past, because necessary member is many, the stack-mounted step is numerous and diverse, and because member has continuous action relation closely to each other, in use as long as any backing pin shaft 21,25,26 produces loosening or inflexible phenomenon, the capital influences the alerting ability that perambulator 1 turns to function, so the fault rate of member also relatively improves.And, because the position that is pivoted is many, crush the child in use easily, cause the danger in the use.

The purpose of this utility model provide a kind of simple structure, easy to assembly, fault rate is low, and turns to the steering hardware of perambulator flexibly.

Of the present utility model being characterised in that: this steering hardware comprises a linking sleeve that is set in perambulator skeleton leading edge, being connected the sleeve top axially is connected with a control frame, the bottom then is articulated by a lock shaft and a case in of taking turns on the pedestal, these two ends of taking turns pedestal are respectively equipped with a front-wheel, connection by aforementioned linking sleeve, the structure of steering hardware is more simplified, and the articulated section between the minimizing member, increase the steering flexibility of this steering hardware, and reduce fault rate and improve safety.

Be elaborated below by most preferred embodiment and accompanying drawing steering hardware to perambulator of the present utility model, in the accompanying drawing:

Fig. 1 is a kind of schematic perspective view of perambulator in the past.

Fig. 2 is a kind of schematic top plan view of perambulator in the past.

Fig. 3 is that the utility model preferred embodiment is assembled in the schematic perspective view on the perambulator.

Fig. 4 is the three-dimensional exploded view of the utility model preferred embodiment.

Fig. 5 is the assembled sectional view of the utility model preferred embodiment.

Fig. 6 is that the utility model preferred embodiment is assembled in the schematic top plan view on the perambulator.

Shown in Fig. 3,4, the steering hardware of the utility model preferred embodiment perambulator connects skeleton 31 and two people's front-wheels 32 of perambulator 3, skeleton 31 the place aheads are provided with an oblique pivot joint pipe 311, articulate the passage 312 that forms a hollow in the pipe 311, articulate on pipe 311 tube walls and set firmly a ring wall 313 with restricted quarter 314.This steering hardware comprises a wheel pedestal 4, one and is connected sleeve 5 and a control frame 6.

This is taken turns pedestal 4 and comprises a wheel shaft 41 that is horizontally set with on 32 on 3 liang of front-wheels of perambulator, and the end of wheel shaft 41 is connected with two front-wheels 32 respectively, and wheel shaft 41 central authorities utilize intermediate plate 42 folders to establish a sweptback case in 43.

This linking sleeve 5 comprises an oblique mobile jib portion 51, and mobile jib portion 51 is provided with radially outstanding fastening and encircles 511, and 311 sockets are managed with the pivot joint of perambulator 3 by mobile jib portion 51, and this articulates pipe 311 and also fastens fastening on the ring 511 in mobile jib portion 51.For the pivot joint pipe 311 that socket-connects can be rotated after socket relatively neatly with mobile jib portion 51, this articulates the sheathed plastic cement ring set 52,53 of passage 312 top and bottom ends difference of pipe 311, oblique last sleeve pipe 54 of this mobile jib portion 51 bottoms welding, the case in 43 of last sleeve pipe 54 and wheel pedestal 4 is axially corresponding, utilize a backing pin shaft 55 to plug therebetween between the two, these bearing pin 55 ends have a scrobicular ring 551, in the scrobicular ring 551 then button establish a clasp 56, aforementioned bearing pin 55 also can use members such as screw with same effect, rivet.Mobile jib portion 51 is provided with horizontal cooresponding pivoted hole 512 by top end, and ring 511 edges that fasten of mobile jib portion 51 go out a limiting pin 513 to articulating pipe 311 1 distal process, limiting pin 513 is managed the ring wall 313 of 311 tube walls corresponding to pivot joint, and can be stretched in the restricted quarter 314 of ring wall 313.

This control frame 6 comprises a curved arc shape control panel 61, control panel 61 bottoms are extended one downwards and are plugged in the connecting rod 62 that is connected sleeve 5 tops, these connecting rod 62 bottoms and the pivot joint that abuts against are managed and are arranged with a pad 63 between 311 tops, connecting rod 62 bottoms are provided with and the pivoted hole 512 corresponding butt holes 621 that are connected sleeve 5, utilize affixed element 64 to be connected in butt hole 621 and the pivoted hole 512 that is connected sleeve 5, this affixed element 64 is screw rod and members such as nut or rivet at present embodiment.

Shown in Fig. 4,5, when present embodiment in when assembling, the last sleeve pipe 54 that will be connected sleeve 5 is axially corresponding with the case in 43 of wheel pedestal 4 and dock, and utilizes bearing pin 55 and clasp 56 with both fastenings again, reaches the control structure of front-wheel steering.Then, manage 311 top and bottom ends sheathed ring set 52,53 respectively in the pivot joint of perambulator 3, to articulate pipe 311 again is socketed in the mobile jib portion 51 that is connected sleeve 5, limiting pin 513 is placed in the restricted quarter 314 that articulates pipe 311, influence the safety that perambulator 3 is operated to prevent that control panel 61 rotation radians are excessive, protrude in mobile jib portion 51 more at last and articulate pipe sheathed pad 63 of 311 1 ends and control frame 6,512 affixed elements 64 of assembling of the butt hole 621 of control frame 6 and the pivoted hole of mobile jib portion 51 are just finished combination.

Shown in Fig. 3,6, when present embodiment in use, children are sitting on the seat cushion 33 of perambulator 3, with the hand steered control panel 61 of holding, when children's desire changes the direct of travel of perambulator 3, as long as this control panel 61 of rotation just can make connecting rod 62 rotate because connecting rod 62 be connected 5 in sleeve and be connected by affixed element 64, so the rotation of connecting rod 62 also can drive and be connected sleeve 5 and rotate.Because being connected sleeve 5 bottoms is connected by the case in 43 of bearing pin 55 with wheel pedestal 4, therefore, when being connected sleeve pipe 5 rotations, can drive case in 43 beats of bottom, and case in 43 and wheel shaft 41 Joints, so, the front-wheel 32 of being located at wheel shaft 41 both sides will reach the purpose that changes direct of travel along with beat.Briefly, when control panel 61 was controlled rotation, by the pivot joint of affixed element 64 with bearing pin 55, drive was connected sleeve 5 rotations in regular turn, and wheel pedestal 4 beats, reaches the purpose that changes front-wheel 32 direct of travels.

By above explanation as can be known, the utility model is provided with a pivot joint pipe 311 in the skeleton leading edge of perambulator, this pivot joint pipe 311 is set in one and is connected on the sleeve 5, be connected on the sleeve 5 and connect the control frame 6 of controlling usefulness, connect the wheel pedestal 4 that is pivoted for two front-wheels 32 down, the steering hardware of perambulator is oversimplified, and the position that articulates on the perambulator also is reduced to two places by in the past six places, so stack-mounted step and cost lack than in the past perambulator.For the user, have only two places because articulate part, not only the fault rate of product is low, can not crush children in the use, alerting ability also can reduce because of the articulated section and increase, that is to say, steerage gear principle of the present utility model is to utilize the circle of control panel 61 to rotate, drive upper and lower sleeve pipe 54,43 and do circular rotation, and and then transmission front-wheel 32 wheel shafts make the circular arc interlock front-wheel 32 turned to, because aforementioned drive state all is to connect with circle to ship transmission, thus more laborsaving on the application of force, and reach transmission purpose smoothly.So, the utlity model has that fault rate is low, assembling easily, steering manipulation effect more flexible and safe in utilization.

Claims (4)

1, a kind of steering hardware of perambulator, this steering hardware have a control frame that is located at perambulator the place ahead, and this control frame comprises a control panel and a connecting rod that is located at the control panel bottom, it is characterized in that:

The skeleton front end of this perambulator is provided with a hollow and articulates pipe, and this pivot joint tube wall is provided with a ring wall with restricted quarter;

This steering hardware comprises a wheel pedestal, a linking sleeve and a control frame;

This is taken turns pedestal and has the wheel shaft that an end and perambulator two front-wheels are pivoted, and these wheel shaft central authorities set firmly a sweptback case in;

This linking sleeve has a mobile jib portion with this pivot joint, this mobile jib portion bottom sets firmly one and takes turns the axially cooresponding sleeve pipe of going up of case in of pedestal with this, there is a backing pin shaft to be pivoted between this upper and lower sleeve pipe, this mobile jib portion is provided with pivoted hole and a limiting pin, and this limiting pin protrudes in the restricted quarter of the ring wall on this pivot joint pipe;

The connecting rod of this control frame is plugged on this linking sleeve, and this connecting rod is provided with butt hole corresponding to the pivoted hole place that is connected sleeve, sets firmly an affixed element between this pivoted hole and butt hole.

2, the steering hardware of perambulator as claimed in claim 1 is characterized in that:

A sheathed ring set between this mobile jib portion top that is connected sleeve and the pivot joint pipe that docks, this pivots joint is managed and the connecting rod corresponding position of this control frame also is provided with a ring set and a pad.

3, the steering hardware of perambulator as claimed in claim 1 is characterized in that:

Radially outstanding this pivot joint pipe of confession abuts against in the mobile jib portion of this linking sleeve fastens ring, and this limiting pin position fastens the ring edge at this.

4, the steering hardware of perambulator as claimed in claim 1 is characterized in that:

This case in is erected between two upright spacers.

Images