CN2558407Y

CN2558407Y - Rear wheel steering body-building cycle

Info

Publication number: CN2558407Y
Application number: CN02274230U
Authority: CN
Inventors: 杨美纯
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-16
Filing date: 2002-07-16
Publication date: 2003-07-02
Anticipated expiration: 2012-07-16

Abstract

The utility model discloses a rear-wheel-controlled fitness vehicle, which comprises a front wheel 12 driven through the pedals to rotate for the control of the forwarding of the body, and a pair of rear wheels 14 steering through the swinging of the handgrip 16 to control the turning of the body. A connecting bar 19 is pivoted obliquely between the handgrip 16 and the rear wheel stent 15, so that the function of the steering driven through the handgrip 16 is achieved. The steering of the rear wheel is driven through the hands, thus not much strength on the feet is required when the body is steering. Therefore the direction control is easy to learn, and the utility model is not easy to dump.

Description

The trailing wheel control is to exercycle

Technical field

The utility model relates to a kind of trailing wheel control to exercycle, and is particularly a kind of with front-wheel control is advanced, trailing wheel control is turned exercycle.

Background technology

The children of general market use tricycle, have a front-wheel and pair of rear wheels.In use, on the cushion of children in the middle of being seated at, step on pedal on the crank with both feet and front-wheel is rotated and drive car and advance, and hold handle reaches the car body turning with turning to of front-wheel control with both hands.

Though traditional tricycle like this can be linked the strength of one's legs exercise, but because advancing and the direction rotation with front-wheel control vehicle, make that must spend bigger strength of one's legs when turning could carry out smoothly, difficulty easily takes place to some children in study, and the danger of easily toppling over.

The utility model content

The purpose of this utility model is to solve the problem that drives effort, easily topples over that traditional exercycle with the front-wheel guiding exists, and provides a kind of trailing wheel control of turning leicht fallen D/A and being difficult for toppling over to exercycle.

The utility model includes a support body, and the place ahead of this support body is provided with one can be with the pedal-actuated front-wheel, and the top of support body is provided with a cushion, the rear is provided with trailing wheel, it is characterized in that, also includes a handle, a connecting rod, wherein, the support of trailing wheel is articulated in support body end below with centring point; Handle is Qian shape, and its pivoting point pivot with its center closes in the support body centre position, is that swing in the axle center with this pivoting point; Connecting rod is oblique to be articulated between rear wheel support and the handle.

The user drives rear-axle steering via the connecting rod that articulates when the swing handle, whole locomotive body is turned, and then make when turning, and foot need not increase too many strength, can not topple over, and convenient for children is learnt by bike.

In addition, described support body rear has pair of rear wheels, is rear wheel support with a wheel shaft that is articulated in support body end below therebetween.

Can have a trailing wheel that is connected between a Qian shape framework behind the described support body, it is rear wheel support that this Qian shape framework is articulated in support body terminal; This support body end extends an arc wheel and helps wheel carrier, and this arc wheel helps the wheel carrier two ends to be arranged with universal wheel, can land by one of them universal wheel, and car body is turned.

Described front-wheel can be a pair of, and this is located on the Qian shape front wheel carrier front-wheel, and two front-wheels connect with pedal, is stepped on by user's both feet and rotates via pedal, advances to drive car body.

The utility model can be formed the tricycle of one on front-wheel, two of trailing wheels or two on front-wheel, one of trailing wheel by the configuration of above-mentioned front and rear wheel, also can form each carriage of two of front and rear wheel.

The utility model can be provided with an adjusting device on front-wheel support, can adjust length of wagon according to user's height, uses to be fit to adult or child, reaches the shared effect of parent-offspring.

Description of drawings

Fig. 1 is a three-dimensional appearance schematic diagram of the present utility model.

Fig. 2 is a vertical view of the present utility model.

Fig. 3 is a use schematic diagram of the present utility model.

Fig. 4 is an operation chart one of the present utility model.

Fig. 5 is an operation chart two of the present utility model.

Fig. 6 is another embodiment stereogram of the present utility model.

Fig. 7 is another angular views embodiment illustrated in fig. 6.

Fig. 8 is a variation structural representation more embodiment illustrated in fig. 6.

Fig. 9 is a variation structural representation embodiment illustrated in fig. 1.

Figure 10 is an another variation structural representation embodiment illustrated in fig. 6.

The specific embodiment

See also shown in Figure 1, the utlity model has support body 10, a handle 16, a connecting rod 19, support body 10 the place aheads and be provided with a front-wheel 12 that can drive with pedal 11, and the top is provided with a cushion 13, the rear then is provided with a pair of trailing wheel 14 that connects with wheel shaft 15, and wheel shaft 15 is to be articulated in support body 10 terminal belows with hind axle centring point 18; Hold rake 16 and generally be " Qian " type, be that pivoting point 17 pivots with its center close in support body 10 centre positions, and can this pivoting point 17 be middle spot wobble handle 16, in addition, connecting rod 19 oblique being connected across between wheel shaft 15 and the handle 16, turn to when swing handle 16 drives hind axle 15 via connecting rod 19, and whole locomotive body is turned.

Please further consult shown in Figure 3ly, user 9 (being represented by dotted lines in the diagram) buttocks is seated on the cushion 13 both hands and grips handle 16 two ends, and both feet are stepped on pedal 11.When car body is advanced, with the continuous pushes pedals 11 of both feet front-wheel 12 is rotated, drive and sail car body and move ahead.

When the user will turn, can operate according to Fig. 4, mode shown in Figure 5, as shown in Figure 4, user's both hands are center direction swing handle 16 shown in arrow G among the figure 1 with pivoting point 17, driving hind axle 15 via connecting rod 19 displacements is that center direction shown in arrow G among the figure 2 is rotated with centring point 18, and then car body will be turned to user the right as arrow G 3 directions; In like manner, as shown in Figure 5, the user with the swing of arrow G 4 directions, make hind axle 15 with arrow G 5 directional steerings, and car body will be turned as arrow G 6 directions handle 16.

Owing to the utility model is to turn to trailing wheel 14 to control car body and turn, this makes that front-wheel 12 holding capacity when turning that moves ahead with the control of the pin application of force is less, so how convenient for children study is controlled car body; And, will make car body be difficult for toppling over because trailing wheel is a pair of design.

The utility model also can be applicable to two bicycles of taking turns with the design of trailing wheel control direct of travel, see also Figure 6 and Figure 7, wherein support body 20 the place aheads be provided with one can pedal 21 front-wheels 22 that drive, and the top is provided with a cushion 23, the rear then is provided with a trailing wheel 24, and trailing wheel 24 is to be connected 25 of Qian shape frameworks, and 25 of Qian shape frameworks are connected in support body 20 terminal belows with pivoting point 28; One handle 26 generally is " Qian " type, is that pivoting point 27 pivots with its center close in support body 20 centre positions, and can this pivoting point 27 is middle spot wobble handle 26; In addition, a connecting rod 29 oblique being connected across between Qian shape framework 25 and the handle 26 turn to when swing handle 26 drives Qian shape framework 25 via connecting rod 29, and the trailing wheel 24 that is connected the below after making turns to, and whole locomotive body is turned.

Above-mentioned two take turns the bicycle form, in order to make it be difficult for toppling over, can consult shown in Figure 8, extend the auxiliary wheel carrier 30 of an arc in support body 20 tip forward, and be respectively equipped with a universal wheel 31, be used for supporting car body and do not topple over use in order to children at two ends, the user also can assist a universal wheel 31 of wheel carrier 30 to land by arc, and car body is turned, such design helps the training of the sense of equilibrium, especially is fit to children's operation.

Tricycle and the cart put down in writing based on the front, front-wheel can be varied to two wheeled, as shown in Figure 9, tricycle shown in Figure 1 partly is varied to two at front-wheel take turns, form a carriage, wherein front-wheel is to be located on the degree of lip-rounding front wheel carrier 421 to 42, and two front-wheels connect with pedal 41, and can be stepped on by user's both feet and rotate via pedal 41, advance to drive car body.

As shown in figure 10, then changed for cart shown in Figure 6, front-wheel partly replaces with cart, wherein front-wheel is to be located on the degree of lip-rounding front wheel carrier 521 to 52, and two front-wheels connect with pedal 51, and can be stepped on by user's both feet and rotate via pedal 51, advance with the drive car body.

In addition, see also Fig. 1, Fig. 6, Fig. 8, Fig. 9, shown in Figure 10, the centre position of support body is provided with an adjusting device 60, the length that can utilize unscrewing of adjusting device 60 and extend front-wheel support, give the adjustment length that is tightened again, such design can be adjusted the utility model according to user's height, can reach the parent-offspring in order to same exercycle and use happy together effect.

Claims

1, a kind of trailing wheel control is to exercycle, and it includes a support body, and the place ahead of this support body is provided with one can the pedal-actuated front-wheel, and the top is provided with a cushion, and the rear is provided with trailing wheel, it is characterized in that: also include a handle, a connecting rod; The support of trailing wheel is articulated in support body end below with centring point; Handle is the Qian type, and its pivoting point pivot with the center closes in the support body centre position; Connecting rod is oblique to be articulated between rear wheel support and the handle.

2, according to the described a kind of trailing wheel control of claim 1 to exercycle, it is characterized in that: the rear of described support body has pair of rear wheels, this is to connecting with a wheel shaft that is articulated in support body end below between trailing wheel.

3, according to the described a kind of trailing wheel control of claim 2 to exercycle, it is characterized in that: described front-wheel is a pair of, this is located on the Qian shape front wheel carrier front-wheel, two front-wheels connect with pedal.

4, according to the described a kind of trailing wheel control of claim 1 to exercycle, it is characterized in that: described support body rear has a trailing wheel that is connected between a Qian shape framework, it is terminal and be rear wheel support that this Qian shape framework is articulated in support body.

5, according to the described a kind of trailing wheel control of claim 4 to exercycle, it is characterized in that: described support body end extends an arc wheel and helps wheel carrier, and this arc wheel helps the wheel carrier two ends to be respectively equipped with universal wheel.

6, according to the described a kind of trailing wheel control of claim 4 to exercycle, it is characterized in that: the front-wheel in described support body the place ahead is a pair of, this is located on the degree of lip-rounding front wheel carrier front-wheel, this is to connecting with pedal between front-wheel.

7, according to the described a kind of trailing wheel control of claim 1 to exercycle, it is characterized in that: described support body front end is provided with the adjusting device of an adjustable car load body length between front-wheel support and handle.