CN2037337U

CN2037337U - Folding seat for child bicycle

Info

Publication number: CN2037337U
Application number: CN 88209564
Authority: CN
Inventors: 孙跃国
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-08-16
Filing date: 1988-08-16
Publication date: 1989-05-10

Abstract

The utility model discloses a folding seat for child bicycle, which is suitable for the non-crossbeam bicycle. The folding seat for child bicycle is provided with a folding crossbeam; a rotatable chair seat and a folding backrest are arranged on the folding crossbeam. The backrest can be pressed down when the chair seat is rotated backwards by 180 DEG. A folding handlebar for the bicycle lifting is arranged on the chair seat, and the handlebar is used for lifting the bicycle when the folding crossbeam is put down. The folding crossbeam is hinged with a tube ferrule below a saddle, and is in pin connection with the tube ferrule on the upper end of a front oblique beam. The utility model has the advantages of simple structure design, one object with multifunction.

Description

Folding seat for child bicycle

The design belongs to the bicycle accessory device, especially for woman style no crossbeam bicycle.

Present bicycle child seat has two kinds, and the first is contained in the seat on the bicycle rear rack, and its shortcoming is to be contained on the man's bicycle of crossbeam, cyclist's inconvenience that gets on and off; Be contained on the no crossbeam woman's bicycle, loading does not just have the place to put.Another kind is the seat that is contained on the crossbeam, and its shortcoming is that the woman's bicycle of no crossbeam is installed inconvenience.

The design's purpose is a kind of new construction child seat of proposition, can be suitable for no crossbeam woman's bicycle.

The design's purpose realizes by the following technical solutions: for installation child seat, the design propose a kind of folding crossbeam technical scheme.Pipe collar hinge joint on folding crossbeam one end and the bicycle seat support tube, when not using and vehicle frame is parallel places, lift folding crossbeam free end during use, free end has dowel hole, with locating dowel pin be positioned at bicycle rack before the spacer ferrule of cant beam or camber beam upper end connect, constitute a crossbeam.On folding crossbeam child seat is housed, child seat comprises seat support and backrest.Backrest is collapsible, with folding crossbeam hinge joint, serves as the axle rotation with screw or the rivet that connects with crossbeam, on the position perpendicular to folding crossbeam locating dowel pin is arranged.Child seat connects with folding crossbeam by base plate, and connecting mode is welding or riveted joint, and seat support can serve as the axle rotation with attachment bolt or rivet.When backrest is turned up, the seat support Rotate 180 ° just in time is pressed in backrest it down, backrest is fixed on and folds on the crossbeam position side by side.

The design's embodiment is as shown in drawings:

Fig. 1 is the block diagram of a kind of embodiment of the design, and Fig. 2～Fig. 4 is the scheme drawing of the design's embodiment when reality is used.

To the graphic explanation of accompanying drawing:

Backrest 1 is lifted handlebar connector 2, lifts handlebar 3, seat support 4, seat support base plate 5, folding crossbeam 6, front end stationary positioned hoop 7, front end locating dowel pin 8, backrest cardan axle 9, backrest locating dowel pin 10, folding crossbeam hinge joint pipe collar 11.

In conjunction with the accompanying drawings the design further is illustrated.

Folding crossbeam 6 is the steel bar of pair of parallel, and central part is in connecting two platforms of seat support and backrest place weldering.Pipe collar 11 is fixed on the bicycle saddle, cant beam upper end before pipe collar 7 is fixed on, and folding crossbeam 6 and pipe collar 11 hinge joints with pipe collar 7 usefulness pins 8 pin joints, just are in running condition.Seat support 4 usefulness timber are made, below with base plate 5 of screw attachment.On base plate 5 and the folding crossbeam connect platform with bolt or rivet connect, seat support 4 can joint bolt by base plate 5 or rivet be the axle rotation.Backrest 1 and folding crossbeam 6 usefulness screws or rivet 9 hinge joints, with locating dowel pin 10 location, the time spent is not set level during use, ° just makes backrest be pressed in seat support 4 times seat support 4 Rotate 180s.Lift handlebar 3 on the seat support 4, connect with connector 2 on the seat support 3 with screw.When putting down folding crossbeam 6, can use handle 3 to lift car.As shown in Figure 3.

The design is simple in structure, and is easy to use, and one-object-many-purposes is with practical value.

Claims

1, a kind of folding bicycle child seat comprises seat support and backrest, it is characterized in that seat support connects with folding crossbeam by base plate, and connecting mode is to be spirally connected or to rivet, and seat support can serve as the axle rotation with attachment bolt or rivet; The hinge joint of backrest and folding crossbeam, and serve as the axle rotation with joint bolt or rivet, on position, locating dowel pin is arranged perpendicular to folding crossbeam; Pipe collar hinge joint on folding crossbeam one end and the bike saddle support tube, the other end connects with the spacer ferrule that is positioned at cant beam or camber beam upper end by locating dowel pin.

2, a kind of according to the described seat of claim 1, it is characterized in that handlebar is lifted in one for sleeping in of embedding on the seat support, handle one end and seat support hinge joint, the other end can start from seat support, makes handle and seat support be vertical configuration.