CN2303770Y

CN2303770Y - Primary and secondary bicycles

Info

Publication number: CN2303770Y
Application number: CN 97206747
Authority: CN
Inventors: 王建政
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-14
Filing date: 1997-03-14
Publication date: 1999-01-13
Anticipated expiration: 2007-03-14

Abstract

The utility model discloses a mother and child bicycle, which comprises a front wheel, a back wheel, a bicycle frame, a handle bar, a seat, etc., wherein the front wheel is smaller than the back wheel, the seat is fixed on a transverse pipe of the bicycle frame through a fixing mechanism and the front end of the handle bar is provided with a windshield. The utility model has the characteristics that the utility model can run limberly; the seat has multiple functions. The utility model can be conveniently used by people for taking children outdoors.

Description

A kind of primary-secondary type bicycle

The utility model relates to a kind of bicycle, specifically a kind of primary-secondary type bicycle.

Now, people are with children to go out by bike, often at the cycle frame seat of putting on the shelf, but thisly there is such defective: because spacing distance is shorter between the vehicle frame of ordinary bicycle and the vehicle seat in put on the shelf the mode by bike of seat of ordinary bicycle, so after placing seat, make bicycle running dumb, children's pin is also easily blocked by front-wheel, and existing in addition seat can not be placed on separately on the ground and carry out as perambulator.

The purpose of this utility model is at above-mentioned deficiency, designs a kind of primary-secondary type bicycle of the chair of usheing to seat.

The utility model is achieved in that it comprises front-wheel, trailing wheel, vehicle frame, handlebar, seat etc., and front-wheel is less than trailing wheel, and seat is fixed on the vehicle frame transverse tube by fixed mechanism, and the handlebar front end is equipped with Windshield.

Fixed mechanism is sold before by crooked U type, back locking pin seat, pin-and-hole plate and seat wheel shaft are formed, pin and back locking pin seat all are welded on the vehicle frame transverse tube before the crooked U type, the pin-and-hole plate is positioned at the preceding lower end of seat, the seat wheel shaft is positioned at the seat posterior end, the seat wheel is housed in the seat bottom, and the seat upper end is inserted with slidably handle, at the handlebar front end Windshield is housed.

Advantage of the present utility model: the utility model is little than trailing wheel owing to front-wheel, thus increased interval between handlebar and the vehicle seat, thus make bicycle running flexible, and solved the shortcoming of children's card bases.In addition, because the seat wheel is housed on the seat, therefore, after this seat takes off from this bicycle, can be placed on and does the stroller use on the ground.

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model armchair structure scheme drawing.

Fig. 3 is the utility model bicycle structure scheme drawing.

Fig. 4 is a locking pin seat structural representation behind the utility model.

Fig. 5 inserts structural representation behind the handle for jack.

The utility model is described in further detail below in conjunction with drawings and Examples.

As shown in the figure, the utility model front-wheel (9) is little than trailing wheel (10), and front-wheel (9) adopts 22 inches wheels, and trailing wheel (10) adopts 26 inches wheels, so that increase at interval between handlebar (2) and the vehicle seat (3).Vehicle frame (4) (6) (7) is the H type, comprises preceding pipe (4), transverse tube (7) and inclined tube (6).Handlebar (2) front end is equipped with Windshield (1), seat (5) is fixed on the vehicle frame transverse tube (7) by fixed mechanism, fixed mechanism is sold (15) before comprising crooked U type, back locking pin seat (16), pin-and-hole plate (14) and seat wheel shaft (24), pin (15) is welded on vehicle frame transverse tube (7) front end before the crooked U type, back pin key seat (16) is welded on vehicle frame transverse tube (7) rear end, pin-and-hole plate (14) is positioned at the preceding lower end of seat (5), two pin-and-holes (13) are arranged on the pin-and-hole plate (14), on back locking pin seat (16), also comprise back lock pin (17), back lock pin spring (18) and lockhole (19), seat wheel shaft (24) is positioned at seat (5) posterior end, and a fixer (12) is housed on seat wheel shaft (24).

Seat wheel (8) is equipped with in seat (5) bottom, there are handle (11) and handle jack (20) in seat (5) upper end, handle (11) is inserted in this jack (20), handle (11) bottom has and a pair ofly or a pair of with upper groove (23) seat (5) rear side handle lock pin (21) is arranged, and is with handle lock spring (22) on this handle lock pin (21).In the time handle (11) will being inserted jack (20), must hold handle lock pin spring (21) earlier, insert handle (11) again, unclamp this lock pin (21) then, because the elastic force effect of lock pin spring (22), this lock pin (21) withstands handle (11), and handle (11) just is fixed.

Seat (5) mounting means is: pin (15) is inserted in the pin-and-hole (13) of pin-and-hole plate (14) before at first making crooked U type, then, hold back lock pin (17), the fixer of seat wheel shaft (24) is rested on the back locking pin seat (16), unclamp back lock pin (17) again, because back lock pin spring (19) elastic force effect, back lock pin resets, and seat wheel shaft (24) is lockable.Stolen in order to prevent seat (15), can in lockhole (19), put the iron lock, then get final product in reverse order as taking down seat (5).After this seat (5) takes off from bicycle, pull out handle (11) and just can be placed on and make on the ground stroller and use.

Claims

1. a primary-secondary type bicycle comprises front-wheel, trailing wheel, vehicle frame, handlebar, seat etc., and it is characterized in that: front-wheel is less than trailing wheel, and seat is fixed on the vehicle frame transverse tube with fixed mechanism, and the handlebar front end is equipped with Windshield.

2. primary-secondary type bicycle according to claim 1, it is characterized in that selling before fixed mechanism is by crooked U type, back locking pin seat, pin-and-hole plate and seat wheel shaft are formed, pin is welded on vehicle frame transverse tube front end before the crooked U type, back lock pin is welded on vehicle frame transverse tube rear end, and the pin-and-hole plate is positioned at the preceding lower end of seat, and the seat wheel shaft is positioned at the seat posterior end.

3. primary-secondary type bicycle according to claim 2 is characterized in that on the locking pin seat of back back lock pin being arranged, and back lock pin spring and lockhole have two lockholes on the pin-and-hole plate, on the seat wheel shaft fixer is housed.

4. primary-secondary type bicycle according to claim 1 is characterized in that seat bottom is equipped with the seat wheel, and there are handle and handle jack in the seat upper end, and handle is inserted in this jack.

5. primary-secondary type bicycle according to claim 1 is characterized in that the seat rear side has the handle lock pin, is with the handle lock pin spring on the handle lock pin.

6. primary-secondary type bicycle according to claim 1 is characterized in that vehicle frame is the H type, comprises preceding pipe, transverse tube and inclined tube.