CN201849558U

CN201849558U - Bicycle backseat back

Info

Publication number: CN201849558U
Application number: CN2010205482582U
Authority: CN
Inventors: 潘单
Original assignee: Hangzhou Yuhang No 2 Senior High School
Current assignee: Hangzhou Yuhang No 2 Senior High School
Priority date: 2010-09-29
Filing date: 2010-09-29
Publication date: 2011-06-01
Anticipated expiration: 2020-09-29

Abstract

The utility model relates to a bicycle backseat back, which not only can be used as a backrest, but also can be used as a soft seat cushion so that a passenger can sit on a backseat of a bicycle more comfortably and safely. The bicycle backseat back comprises a backrest plate, the backrest plate is hinged on a support block, and the support block is connected with a pressing block by bolts and nuts. The bicycle backseat back has the advantages that 1, the passenger sits on the backseat of the bicycle more safely, 2, the passenger sits on the backseat of the bicycle more comfortably, 3, the bicycle backseat back is simple in structure and low in manufacture cost, 4, the bicycle backseat back can be assembled and disassembled conveniently, and 5, the bicycle backseat back is attractive in appearance.

Description

The rear bicycle chair back

Technical field

The utility model relates to a kind of being installed in specially on the rear bicycle, is used for the rear bicycle chair back of backrest.

Background technology

Present rear bicycle does not all have backrest, and the people who is sitting in the bicycle back can only directly be sitting on the back seat, permanent be seated can be very tired, and for child, do not have the unusual danger of being seated of backrest; And back seat all is that the bar of irony is formed, and it is very uncomfortable to be seated.

The utility model content

Design goal: avoid the weak point in the background technology, design and a kind ofly not only can work as backrest, and can work as soft cushion, make to be sitting in the more comfortable and safe rear bicycle chair back of back seat.

Design plan: to achieve these goals, the utility model has been done following design: 1, backup plate is hinged on the back-up block, with the design of screw bolt and nut bonded assembly, is one of technical characterictic of the present utility model between back-up block and the compact heap.The purpose of doing like this is: backup plate can be installed on the outmost crossbeam of rear bicycle by back-up block and compact heap, backup plate is rotated to vertical position, because back-up block has position-limiting action to backrest, stoped backup plate to continue anti-clockwise rotation, make the people to lean against on the backup plate.2, the left side of backup plate is provided with the design of soft cushion, is two of technical characterictic of the present utility model.The purpose of doing like this is: when backup plate was turn to level, the people can be sitting on the soft cushion, as snug as a bug in a rug.

Technical scheme: the rear bicycle chair back, it comprises backup plate, described backup plate is hinged on the back-up block, is connected with screw bolt and nut between back-up block and the compact heap.

The utility model is compared with background technology, and major advantage is: the one, and it is safer to be sitting in rear bicycle; The 2nd, it is more comfortable to be sitting in rear bicycle.

Description of drawings

Fig. 1 is the main TV structure figure of the rear bicycle chair back.

Fig. 2 is the plan structure figure of Fig. 1.

Fig. 3 is the enlarged drawing at A place among Fig. 1.

The specific embodiment

Embodiment 1: with reference to attached Fig. 1 and 2.The rear bicycle chair back comprises backup plate 3, and described backup plate 3 is hinged on the back-up block 1, is connected with nut 6 with bolt 4 between back-up block 1 and the compact heap 5; All have the groove 7 of arc surface shape on the contact surface between described back-up block 1 and the compact heap 5, and the minor increment between two grooves 7 is less than the diameter of rear bicycle crossbeam 9; The left side of described backup plate 3 is provided with soft cushion 2; Described backup plate 3 has position-limiting action with the constructional feature of back-up block 1.

The manufacture craft of above-mentioned each parts and installation method all adopt existing feasible technology.Back-up block 1 and compact heap 5 are placed on the upper and lower sides of back seat crossbeam 9 respectively, use bolt 4 and nut 6 fastening then, backup plate 3 is upwards turn to vertical position, then the people be sitting in just can be leaning against on backup plate on the back seat.

Embodiment 2: on the basis of embodiment 1.Backup plate 3 is turn to level attitude downwards, and the people can be made on the soft cushion 2.

It will be appreciated that: though the foregoing description has been done more detailed description to mentality of designing of the present utility model, but mentality of designing of the present utility model is not limited only to foregoing description, any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the scope of the present utility model.

Claims

1. rear bicycle chair back, it comprises backup plate (3), it is characterized in that: described backup plate (3) is hinged on the back-up block (1), is connected with nut (6) with bolt (4) between back-up block (1) and the compact heap (5).

2. the rear bicycle chair back according to claim 1, it is characterized in that: all have the groove (7) of arc surface shape on the contact surface between described back-up block (1) and the compact heap (5), and the minor increment between two grooves (7) is less than the diameter of rear bicycle crossbeam (9).

3. the rear bicycle chair back according to claim 1 is characterized in that: the left side of described backup plate (3) is provided with soft cushion (2).