CN204399413U - Single backrest bicycle - Google Patents

Abstract

A kind of single backrest bicycle, relate to kind and the accessory field of bicycle.This car handlebar adopts single handle, single to be linked as with steering shaft together with; Backrest is furnished with after seat cushion.Single accessory list handle also having accessory formula, it, by frame being fixed on the steering shaft top of former car, can being holded up and put down; Backrest is fixed on by back rest on the spider pipe under seat cushion, can fold horizontal, can also regulate height and angle.Use the benefit of this car to be: to adopt single handle, get on the bus conveniently, turn to stable, deposit neat, hand separately use can be vacated, also save raw materials for production, with backrest, easily laborsaving by bike; Accessory list puts down holding up, and backrest can regulate high and low angle, can also fold horizontal; Accessory single and backrest can load and unload at any time.The bicycle of this novelty, fashion is bound to be subject to the favor of people.

Description

Single backrest bicycle

Technical field

This bicycle relates to kind and the accessory field of bicycle.

Background technology

People's long period by bike after, can feel that the soreness of waist carries on the back curved hip pain, this is because hold by bike two time need bend over the back of a bow, entire weight again total head on gluteus; On the contrary, people are sitting on automobile, even if it is also easily comfortable to trudge, this is because there is backrest car seat, the back of a bow of can not bending over, entire weight is distributed to cause everywhere.In addition, people ride two car, can not vacate another use on the other hand, and as opened an umbrella, phoning with mobile telephone, one hand is held two danger again, and, two car is deposited uneven, manufacturing cost material.Above-mentioned deficiency, also cannot make up at present.

Summary of the invention

This list can improve backrest bicycle and make up above-mentioned deficiency.Its technical matters existed is: the spatial design list after 1, utilizing turning of bicycle axle tip position and seat cushion, before thing frame is the frame point with backrest, and without the need to changing former car parts, production procedure is easy.2, single replacing two handle, during steering effort, power to, moment, the arm of force be consistent, to turn to more easily, more stable.The balanced capacity of people is very strong, common people put by bike, ride without single-wheel electric vehicle being absolutely proved this point, popular fashionable this comfortable car, a just individual matter of time.3, increase accessory style, former car loads and unloads at any time, and can extend one's service group.4, by single, backrest is designed to hold up the function put down, fold horizontal, heighten angle modulation, uses, deposit convenient.5, utilize thick spider and handlebar central segment, abundant steel plate, steel pipe, the spiral nail of large size and the shape of a hoof as material, shape, make car body more durable frame, cattle horn shape back rest.Solving the skill scheme that above technical matters takes is: (shown in Figure 1B) this car handlebar adopts single (1), single to be linked as with steering shaft together with, single be furnished with backrest (3) after tail cover is had plastics handle (6) this vehicle-seat cushion.(Figure 1A is shown) is single also having the accessory list of accessory formula (2), and accessory list is passing through frame (4) to be fixed on former car steering shaft top.Accessory list is the constructional feature with backrest respectively: 1, the constructional feature (shown in Fig. 2) of accessory list handle.Accessory list has plastics handle tail also overlapped, and labour contractor wears and is welded with a joint and fixes transverse axis (7), is flexibly connected, makes singly to put down holding up with the transverse axis seat (8) on frame.List imbeds put down blocking in (9), helps single steering effort.Frame is fixed on former car steering shaft top by two panels intermediate plate (10).2, the constructional feature (shown in Fig. 3) of backrest.Backrest is a block length bar shaped plate iron.Having the back board of backrest cushion (16) (17) to be enclosed within backrest by backrest button (18), regulating the height of back board by heightening screw (24); Backrest is flexibly connected with back rest (5) by backrest axle (19), is regulated again the angle of backrest by angle modulation screw (29); Back rest is fixed on the spider pipe under seat cushion by back rest screw (30).

Beneficial effect

Use this list backrest bicycle, adopt single handle, get on the bus conveniently, turn to stable, deposit neat, can vacate hand separately with, economize in raw materials; With backrest, easily laborsaving by bike; Accessory list puts down holding up, backrest can regulate high and low angle, fold horizontal, and they can load and unload at any time.Bicycle necessarily extremely people's favor of this novel fashion.

Accompanying drawing explanation

In conjunction with specification sheets and accompanying drawing, this list is described further bicycle.Fig. 1 is the schematic appearance singly backrest bicycle and accessory list handle, and Fig. 2 is design and the structural representation of accessory list handle, and Fig. 3 is design and the structural representation of backrest.Wherein 1 single handle, 2 accessory list handles, 3 backrests, 4 framves, 5 back rests, 6 plastics handles, 7 fixing transverse axis, 8 transverse axis seats, 9 blocking, 10 intermediate plates, 11 frame screw, and 12 frame screw, 13 transverse axis holes, 14 transverse axis seat screws, 15 transverse axis seat screws, 16 backrest cushions, 17 back boards, 18 backrest buttons, 19 backrest axles, 20 backrest button screws, 21 heighten screw, 22 backrest axle screws, 23 backrest button screws, 24 heighten screw, 25 backrest axle screws, 26 angle modulation screw 27 backrest axis holes, 28 back rest screws, 29 angle modulation screws, 30 back rest screws.

Detailed description of the invention

Illustrate that to set forth specific embodiment as follows with reference to specification sheets and accompanying drawing: together with single handle (1) and steering shaft be linked as, its design, material, method for making are the same with former car steering shaft, so repeat no more (Figure 1B is shown).1, the design of accessory list handle, making and use (shown in Fig. 2).A single making of (2), saws long 45 centimeters of thick steel pipes of 2.5 centimeters, and one is bored a hole, and wear the fixing transverse axis (7) that weldering one saves long 3.5 centimeters thick 0.5 centimeter, the plastics handle (6) of 13 centimeters long is tightly overlapped in other end.The making of frame (4), first design one frame planar view, draw horseshoe-shaped frame and parts thereof in figure, the dotted line of turning back and locating, and the mark of screw.The reality sanction figure the same with planar view is drawn again on the wide 10 centimeters of thick steel discs of 0.3 centimeter of a block length 16 centimeters, a frame, transverse axis seat (8) and two pieces of intermediate plates (10) are determined by solid line, and be converted into 90 degree by transverse axis seat with blocking (9), frame pin and intermediate plate will be curved two semicircles, meanwhile, 8 that get out correspondence frame screw (12), 4 transverse axis seat screws (14) and two transverse axis holes (13) are mixed corresponding frame screw (11), transverse axis seat screw (15).During assembling, first by single, the fixing transverse axis of is packed into transverse axis hole, by transverse axis seat screw, transverse axis seat is fixed on frame with transverse axis seat screw, make single and frame is flexibly connected.Use a frame, intermediate plate again, by frame screw, frame screw will be fixed on steering shaft top frame.During use, by single putting down, pinning single getting on the bus easily, using handle.The used time by single holding up, need not be able to not unloaded time long.2, the design of backrest, making and use (shown in Fig. 3) first make back board (17), get the hardwood plate that one piece of thick 2 centimeters of length and width is respectively 16,12 centimeters, center bit one heightens screw (21), surrounding bores 4 backrest button screws (20), spacing is a bit larger tham backrest width, then orders the backrest cushion (16) of a leather wallet matter bag sponge.Make backrest (3) and back rest (5) front, design their planar view of a width, draw the back rest of the backrest of "ON" font, the backrest button (18) of strip shape and cattle horn shape in the drawings respectively with solid line, and designated size; Draw convolution place with dotted line, mark the screw varied in size with round dot.Then, at the steel plate of long 46 centimeters, wide 6 centimeters, thick 0.3 centimeter with two pieces with thick, that shape size is the same with size in back rest figure steel plate being drawn their reality sanction figure in planar view ratio; Then, this three parts are determined by figure, and get out backrest button screw respectively, heighten screw, backrest axle screw (22), backrest axis hole (27), angle modulation screw (26) and back rest screw (28), allot corresponding backrest button screw (23), heighten screw (24), backrest axle screw (25) backrest axle (19), angle modulation screw (29), back rest screw (30); Again backrest button being converted into " Z " font, being rolled into cylindrical shape, by tubular to being rolled under backrest by closing by dotted line between the backrest screw of two pieces of back rests; Finally assemble, four backrest buttons are aimed at four backrest button screw backrest button screw means on back board, then back board is packed into backrest, both screws of heightening heighten screw precession to mutatis mutandis; Again by the backrest axle screw backrest axle screw means of lazyback foot, the backrest axis hole of the central siphon aligning back rest of formation packs into backrest axle, and backrest is flexibly connected with back rest; Meanwhile, by angle modulation screw precession angle modulation screw; Finally, two of back rest pieces of semicircular cylinders are clipped on the spider pipe under bicycle saddle cushion, use back rest screw means.During use, according to oneself needing with the height heightening screw and regulate back board, regulate the angle of backrest with angle modulation screw, namely can against the back of the body by bike; The not used time, detachable lower angle modulation screw, puts down horizontal by backrest; Time long need not, back rest can be unloaded, the used time is loaded on.

Claims (4)

1. single a backrest bicycle, it is characterized in that, handlebar adopts single handle, single to be linked as with steering shaft together with; Backrest is furnished with after seat cushion.

2. list according to claim 1 is backrest bicycle, it is characterized in that, single accessory list handle using also having as bicycle accessories, and it, by frame being fixed on the top of former car steering shaft, can being holded up and put down; Backrest is fixed on by back rest on the spider pipe under seat cushion, can regulate high and low angle, can also fold horizontal.

3. list according to claim 2 is backrest bicycle, it is characterized in that the labour contractor of accessory list handle has fixing transverse axis, and fixing transverse axis is flexibly connected with the transverse axis seat on frame; Accessory list just imbedding the list on frame in blocking during horizontal, when helping to turn to firmly; Frame by intermediate plate and steering shaft top frame screw being fixed on former car.

4. according to claim 2 single backrest bicycle, it is characterized in that, backrest has back board, backrest button, heighten screw, backrest axle, back rest and angle modulation screw; Back board passes through backrest retaining ring on backrest, by the height heightening screw adjustment back board; Backrest is flexibly connected with back rest by backrest axle, is regulated the angle of backrest by angle modulation screw; Back rest is fixed on by back rest screw on the spider pipe under seat cushion.