CN2411955Y

CN2411955Y - Folding child tricycle

Info

Publication number: CN2411955Y
Application number: CN 00227422
Authority: CN
Inventors: 谢伟明
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-01
Filing date: 2000-03-01
Publication date: 2000-12-27
Anticipated expiration: 2010-03-01

Abstract

The utility model provides a folding child's tricycle, which is composed of a tricycle head component, a tricycle body component and a folding connecting-rod device. The utility model is characterized in that the folding connecting-rod device and an n-shaped rod are welded fixedly to form a connecting rod; the other end of the connecting rod is provided with two opposite perforated holes, and is provided with two through holes in proper positions; the front end of a bone rod is convexly extended with two assembling holes; both sides of the bottom edge at the rear end of the bone rod are respectively provided with punched holes; the bottom end of a supporting rod is provided with a pivot hole; the rear end at the inner side is provided with a sleeve rod; both ends of the connecting rod are respectively bent with a clamping hook; clamping hooks respectively penetrate the supporting rod to form the folding connecting-rod device. With the folding connecting-rod device, the child's tricycle can be folded and closed, consequently obtaining the goals of volume reduction, the reduction of transportation cost and convenient carrying for outgoing.

Description

The convertible child's tricycle

The utility model relates to toy for children, particularly a kind of convertible child's tricycle.

Known on the market at present child's tricycle (as shown in Figure 1), it is assembled with a pair of handle 11 by a headstock 10 substantially, a pair of pedals 12 and a front-wheel 13 constitute, when making the foot-operated pair of pedals 12 of children and holding a pair of handle 11, can make front-wheel 13 walk forward, simultaneously be provided with a bone bar 14 backward at headstock 10 appropriate locations, these bone bar 14 middle positions up set firmly a seat cushion 15, bone bar 14 tail ends are solid welding one  shape bar 16 again,  shape bar 16 two side ends pivots cover pair of rear wheels 17, then can make children be seated on the seat cushion 15, foot-operated pair of pedals 12, front-wheel 13 and pair of rear wheels 17 be walking freely forward, can reach the purpose of children's ride-on three-wheel vehicle.But above-mentioned child's tricycle has following deficiency:

One, this three-wheel vehicle is to utilize bone bar 14 two ends respectively solid welding one headstock 10 and a  shape bar 16, again by headstock 10 assemblings one front-wheel 13, and in  shape bar 16 two side ends pivot group pair of rear wheels 17 and assembling is finished.If desire to carry and go out, then big and can't fold because of the three-wheel vehicle volume, cause and carry inconvenience, and take up room.

Two, because this three-wheel vehicle can't be amounted to storage, the volume exclusion when causing collection and carrying makes maker increase the traffic cost of vanning carrying.

The purpose of this utility model provides a kind of child's tricycle that can make and amounts to reduced volume, reaches easy to carry, and collection do not take up room, and can significantly reduce the convertible child's tricycle of traffic cost.

The purpose of this utility model is achieved by the following scheme: it is mainly by headstock assembly, vehicle main body assembly, the folding connecting rod device constitutes, wherein the headstock assembly is made of a pair of handle, pair of pedals and a front-wheel, vehicle main body articulates a pole and bone bar backward in regular turn by headstock, this bone bar is by the up affixed seat cushion of bolt, the tail end solid welding one  shape bar of car,  shape bar two side ends pivot cover pair of rear wheels constitutes the major part of three-wheel vehicle; Wherein said folding connecting rod device and the solid welding of aforesaid  shape bar form a pipe link, and the other end of pipe link is provided with two relative perforations, and offers two perforation at appropriate location; Above-mentioned bone bar front end protrudes out the group connecting part of two joining holes, and root edge two sides in rear end respectively are provided with an open-work; Described pole bottom is provided with a pivot hole, and the inboard protrudes out a loop bar backward, on this loop bar and a trepanning arranged; Described connecting rod, its two ends respectively bend a hook part, and this hook part penetrates the pivot hole of pole and two perforation of pipe link respectively, and bone rod rear end bottom surface has also constituted folding connecting rod device part to terminating in connecting rod.

The utility model is compared with known technology has following advantage:

One, utilize the folding connecting rod device child's tricycle can be folded and fold, this child's tricycle integral body folds the back volume and significantly dwindles, and it is easy to carry to go out.

Two, this child's tricycle is amounted to the back volume-diminished, does not take up room when making collection and carrying, has reduced the traffic cost of vanning carrying.

Three, this child's tricycle only need be pulled seat cushion and up or down can reach when folding and open operation, very is simple and easy laborsaving and rapid, and it is more convenient to make children's ride-on use.

Below in conjunction with accompanying drawing the utility model is illustrated:

Fig. 1 is the prior art structural representation;

Fig. 2 is upright this structural representation of the present utility model;

Fig. 3 is a part three-dimensional exploded view of the present utility model;

Lateral action figure when Fig. 4 folds for the utility model;

The lateral plan that Fig. 5 finishes for the utility model folds;

Fig. 6 folds action diagram for the another side of Fig. 4;

Fig. 7 folds execution figure for the another side of Fig. 5;

Fig. 8 folds stereo appearance figure for the utility model integral body.

As shown in Figure 1, be the prior art structure chart, by headstock 10, handle 11, pedal 12, front Wheel 13, bone bar 14, seat cushion 15,  shape bar 16, trailing wheel 17 consist of jointly.

Shown in Fig. 2-8: be the utility model structural representation, by headstock assembly 2, car owner Body assembly 3 and folding connecting rod device 4 three parts consist of, wherein the headstock assembly by handle 21, step on Plate 22, front-wheel 23; The vehicle main body assembly is by bone bar 31, group connecting part 311, joining hole 3111, through hole 312, open-work 313, seat cushion 32, joining piece 321, slotted eye 3211,  shape bar 33, axostylus axostyle 34, Trailing wheel 35 consists of; Folding connecting rod device 4: by connecting rod 41, perforation 411, perforation 412, pole 42, pivot hole 421, loop bar 422, trepanning 4221, connecting rod 43, hook part 431,432, spring 44 Consist of; Comprise simultaneously the first bolt N1, the second bolt N2, the 3rd bolt N3, the 4th bolt N4, the One nut S1, the second nut S2, the 3rd nut S3, the 4th nut S4.

Embodiment: this children's three-wheel is made of headstock assembly 2 and vehicle main body assembly 3 substantially, and wherein headstock assembly 2 has a pair of handle 21, pair of pedals 22 and a front-wheel 23, when children's pin steps down in pedal 22 and holds handle 21, can make front-wheel 23 walk forward.3 of vehicle main body assemblies have bone bar 31 and up set firmly a seat cushion 32, bone bar 31 tail ends articulate a pipe link 41 again, pipe link 41 and solid welding one  shape bar 33 up, and the sheathed axostylus axostyle 34 in  shape bar 33 bottoms, utilize the two side ends pivot cover pair of rear wheels 35 of axostylus axostyle 34, then can make children be seated on the seat cushion 32, pin is stepped on pair of pedals 22, front-wheel 23 and pair of rear wheels 35 be walking freely forward, reaches the purpose of children's ride-on three-wheel vehicle.

As shown in Figure 3: be the assembly of folding connecting rod device 4, pipe link 41 1 ends are welded on the  shape bar 33 that the other end of pipe link is provided with two relative perforations 411, and offer two perforation 412 at appropriate location.The front end of bone bar 31 protrudes out two group connecting parts 311, group connecting part 311 is provided with joining hole 3111, bone bar 31 rear end appropriate locations are provided with two pairs of through holes 312, two joining pieces 321 that seat cushion 32 is extended via the bottom surface are linked in bone bar 31 rear ends, utilize the first bolt N1 and the second bolt N2 to pass the two pairs of slotted eyes 3211 of joining piece 321 and two pairs of through holes 312 of bone bar 31 simultaneously, again through first, two nut S1, S2 is screwed into first, two bolt N1, among the N2, seat cushion 32 is installed on the bone bar 31, these bone bar 31 rear end root edge dual side-edges are respectively established an open-work 313, the front end of pole 42 is pivot group central authorities at headstock 2, pole 42 bottoms are provided with a pivot hole 421, the inboard protrudes out a loop bar 422 backward, this loop bar 422 also has a trepanning 4221, and the front and back end of connecting rod 42 respectively bends a hook part 431,432.

When assembling is used, earlier pipe link 41 other ends are inserted bone bar 31 rear ends, and pass a pair of open-work 313 of bone bar 31 and two perforations 411 of pipe link 41 with the 3rd bolt N3, be screwed among the 3rd bolt N3 through the 3rd nut S3 again, and screw togather pivot group pipe link 41 and bone bar 31,422 groups of loop bars that pole 42 inboards are protruded out are to the marrow between two group connecting parts 311 of bar 31 front ends again, and wear joining hole 3111 and trepanning 4221 with the 4th bolt N4, be screwed into the 4th bolt N4 by the 4th nut S4 again and make loop bar 422 pivot groups at group connecting part 311.Continuous hook part 431,432 with connecting rod 43 front and back ends plugs two perforation 412 into the pivot hole 421 of pole 42 and pipe link 41 respectively, at last the two ends of spring 44 are colluded the hook part 432 and the second bolt N2 (as Fig. 6, shown in Figure 7) that hold and pass perforation 412 respectively, bottom surface, tool bone bar 31 rear end is also supported and is terminated in connecting rod 43 (as shown in Figure 2), and so having constituted can be for the car integral body of children's ride-on use.

When not using, push pole 42 earlier, and seat cushion 32 up pulled (as shown in Figure 4), make pipe link 41 with the 3rd bolt N3 and to bore a hole 412 be that fulcrum pulls into vertical configuration forward and is close to bone bar 31, and simultaneously interlock bone bar 31 is that the center pivots forward and slightly becomes vertical configuration with the 4th bolt N4, again by the hook part 431 of connecting rod 43 front and back ends, 432 grafting pivot group pole 42 and pipe links 41, make seat cushion 32 be resisted against pole 421 inboard other (as shown in Figure 5), continuing utilizes the elastic force of spring 44 with pipe link 41 firm furthering in bone bar 31 (shown in Fig. 6,7,8).If in the time of will re-using, then seat cushion 32 is down pulled, then can be become running condition as shown in Figure 2 according to the folding reverse operating.

Claims

1, a kind of convertible child's tricycle, by headstock assembly (2), vehicle main body assembly (3), folding connecting rod device (4) constitutes, wherein the headstock assembly is by a pair of handle, a pair of pedals and a front-wheel constitute, vehicle main body articulates a pole and bone bar backward in regular turn by headstock, this bone bar is by the up affixed seat cushion of bolt, the tail end solid welding one  shape bar of car,  shape bar two side ends pivot cover pair of rear wheels constitutes the major part of this three-wheel vehicle, it is characterized in that: a said folding connecting rod device (4) and aforementioned  shape bar (a 33) solid welding formation pipe link (41), the other end of pipe link is provided with relative two perforations (411), and offers two perforation (412) at appropriate location; Above-mentioned bone bar (31) front end protrudes out two joining holes (311); Described pole (42) bottom is provided with a pivot hole (421), and the inboard protrudes out a loop bar (422) backward, and this loop bar is provided with a trepanning (4221); Described connecting rod (43), its two ends respectively bend a hook part (431,432), this hook part penetrates the pivot hole (421) of pole (42) and two perforation (412) of pipe link (41) respectively, and bone bar (31) bottom surface, rear end has also constituted folding connecting rod device part to terminating in connecting rod.

2, convertible child's tricycle according to claim 1 is characterized in that: be positioned between the hook part (432) and second bolt (N2) of perforation (412) of pipe link (41), connecting one has spring firm when three-wheel vehicle is folded (44).