CN87205366U

CN87205366U - Expension bicycle seat

Info

Publication number: CN87205366U
Application number: CN 87205366
Authority: CN
Inventors: 陈亚明
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-11-20
Filing date: 1987-11-20
Publication date: 1988-07-06

Abstract

The utility model provides a telescopic bicycle seat, particularly suitable for being arranged on the front frame of the bicycle when children are taken. As the utility model makes use of the theory of the telescoping of the folding movable connecting rod, a chair frame and a foot supporting frame are made into a folding movable connecting rod, which can not only be stretched but also be retracted to drive a connected chair seat, a back rest and a foot support to stretch or retract; correspondingly, the bicycle seat is suitable for the sitting posture and the supine posture of the human body.

Description

Expension bicycle seat

The utility model relates to a kind of bicycle seat of novelty---the bicycle seat of the condensation that can stretch, be particularly suitable for being contained on the bicycle front-axle beam for looking after children usefulness, and also can be installed on the rear bicycle frame and look after children.

Existing commercially available bicycle seat, be contained on the bicycle front-axle beam after, child is directly sat, when child is sleepy, only bow before bicycle on, be easy to the child that damages.

The purpose of this utility model is to provide a kind of and directly sits for child, simultaneously the bicycle seat that can supply child to lie on the back again.

The utility model is achieved in that

But utilize can the stretch principle of condensation of folded movable connecting rod, chair frame and pin holder support are made folded movable connecting rod, but not only can stretch but also condensation, and drive and amount to bonded assembly seat support and backrest and pin holder and stretch simultaneously or condensation, and make bicycle seat can be suitable for the sitting posture of human body or lie on the back.

Bicycle seat of the present utility model can be processed into plank or plastic flagstone or sheet steel or sheet iron.It has double bracket, seat support, backrest, chair frame, pin holder, pin holder support.Double bracket is in order to be convenient to be fixed on the bicycle, with supporting chair, if be installed on the bicycle front-axle beam, the double bracket spacing is suitable with the front-axle beam diameter, may be stuck on the bicycle front-axle beam, if be installed on the rear bicycle frame, the double bracket spacing is suitable with the mounting width, may be stuck on the rear bicycle frame.On seat support and the backrest cushion is arranged, rotatable baffle plate also is installed on the backrest, seat support is amounted to backrest and is connected, and angle between the two can change with the stretching condensation of folded movable connecting rod chair frame and pin holder support.The chair frame is that an end is fixed on the other end on the seat support and is fixed on more piece folded movable connecting rod on the backrest.The pin holder is divided into the pin holder and the holder of getting a foothold, and the holder of last leftovers bits and pieces is amounted to connection, puts pin in order to child's seat or when lying on the back; Last pin holder is amounted to seat support and is connected, and the angle between the two also can change.Pin holder support is that an end is fixed on the backrest back side, and the other end is fixed on the folded movable connecting rod at the pin holder back side, in order to the feet holder, when pin holder support stretches, withstands in the pin holder and moves, and during the condensation of pin holder support, drives the pin holder and moves down.

Seat support is connected with amounting to of backrest, and seat support is connected with amounting to of last pin holder, and the amounting to be connected by hinge of last pin holder and the holder of getting a foothold realized.The folded movable connecting rod that constitutes the chair frame is three joints at least, and the connecting rod of amounting to that constitutes pin holder support is two joints, and folded movable connecting rod is to couple together by rivet or pin or spiral nail.Cushion on seat support and the backrest can fixedly mount, and also can movablely install, if fixed installation, the cushion fixed packet can be rolled on seat support and the backrest and the bag sofa similar, if movable the installation, can process cushion separately by the size dimension of seat support and backrest, then be placed on the seat and get final product.Cushion can be made with artificial leather or cloth parcel soft-body.

The utility model has the advantages that: child's head of damaging of on handlebar, sleeping of bowing in the time of can avoiding carrying small children by bike, realized the sitting-lying double-purpose of bicycle seat.The utility model novel structure and easily processing.

Below in conjunction with a description of drawings embodiment of the present utility model:

Fig. 1 is the lateral plan when bicycle seat stretches when lying on the back use.

Fig. 2 is that sitting posture uses the lateral plan when being the bicycle seat condensation.

Fig. 3 is the front view of bicycle seat.

Fig. 4 is the back view of bicycle seat.

Fig. 5 is the scheme drawing of bicycle seat pin holder.

Among the figure, the 1st, double bracket; The 2nd, pin holder support; The 3rd, last pin holder; The 4th, hinge; The 5th, seat support; The 6th, cushion; The 7th, the spiral nail of connection folded movable connecting rod; The 8th, the chair frame; The 9th, backrest; The 10th, flap shutter, flap shutter is during in order to the seat condensation, block the chair frame, be unlikely layback with fixed seat backrest when sitting posture uses, when lying on the back use, rotate flap shutter, stretch in order to avoid influence the chair frame, flap shutter has one at least, also can polylith, for example can install in the backrest bilateral symmetry; The 11st, the holder of getting a foothold.

The bicycle seat of present embodiment is mounted in the seat on the bicycle front-axle beam, and double bracket 1 spacing is suitable with the bicycle front-axle beam, just in time can be stuck on the bicycle front-axle beam.Pin holder support 2 selects for use two joints to wait width, length to be respectively the sheet steel of 150mm and 210mm.Among Fig. 2, during the seat condensation, the last pin holder 3 and the holder 11 of getting a foothold are amounted to L-shaped, can pedal pin; At this moment when seat stretched among Fig. 1, last pin holder 3 and leftover bits and pieces holder 11 separated and are T-shaped, went up pin holder 3 and leftover bits and pieces holder 11 and can supply to lie on the back keep flat leg and pin.Hinge 4 is connected with backrest 9, seat support 5 and last pin holder 3, last pin holder 3 and the amounting to of holder 11 of getting a foothold in order to seat support 5, because hinge 4 can be amounted in 180 ° of scopes separately, when

chair frame

8,2 stretchings of pin holder support or condensation, seat support 5 can change with the angle α of backrest 9 and the angle β of seat support 5 and last pin holder 3, makes and has realized bike saddle chair and the function of lying on the back.Seat support 5 is long 170mm, preceding wide 240mm, the trapezoidal veneer sheet of the wide 200mm in back.Backrest 9 is long 310mm, goes up wide 185mm, the trapezoidal veneer sheet of following wide 200mm.Chair frame 8 selects for use three joints to wait the folded movable connecting rod of width, and length is respectively 100mm, 220mm, 190mm.The utility model is selected movable cushion for use, and a flap shutter 10 has been installed, and is installed in the dorsal surface of backrest 9.

Claims

1, a kind of bicycle seat of the condensation that stretches, by double bracket, seat support, backrest, the chair frame, the pin holder, pin holder support is formed, the seat support 5 that it is characterized in that having cushion 6 is amounted to by hinge 4 with the backrest 9 that cushion 6 is arranged and rotatable baffle plate 10 is installed and is connected, chair frame 8 is that an end is fixed on the other end on the seat support 5 and is fixed on more piece folded movable connecting rod on the backrest 9, pin holder support 2 is that an end is fixed on backrest 9 back side other ends and is fixed on by the hinge 4 and the holder 11 of getting a foothold and amounts to the folded movable connecting rod at pin holder 3 back sides on the bonded assembly, and last pin holder 3 is amounted to by hinge 4 with seat support 5 and is connected.

2, bicycle seat according to claim 1, the folded movable connecting rod that it is characterized in that constituting chair frame 8 is three joints at least, the folded movable connecting rod that constitutes pin holder support 2 is two joints.

3, bicycle seat according to claim 1 and 2 is characterized in that described folded movable connecting rod is by rivet or pin or spiral nail connection.

4, bicycle seat according to claim 1 is characterized in that described cushion 6 can wrap up soft-body with artificial leather or cloth and make.

5, bicycle seat according to claim 1 is characterized in that, described seat can be selected plank or plastic flagstone or sheet steel or sheet iron processing for use.