CN202283968U

CN202283968U - Foldable double movable-pulley driven vertical bike

Info

Publication number: CN202283968U
Application number: CN2011203189515U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2011-08-29
Filing date: 2011-08-29
Publication date: 2012-06-27
Anticipated expiration: 2021-08-29

Abstract

The utility model relates to a foldable double movable-pulley driven vertical bike, which includes a bike body, a front fork, a foldable handle vertical pipe, handlebars, a front wheel, a rear wheel, driving mechanisms and a brake, and is characterized in that the bike body includes a bike beam, a front head pipe, a rear fork, a positioning shaft, a rear panel and a middle plane; the driving mechanisms include foot levers, pedals, warped rods, movable pulleys, chains, tension springs, flywheels and connecting sheets, and are two sets arranged on the two sides of the bike beam; the bike beam is arched; the rear end of the bike beam is connected with the rear fork; the front part of the bike beam is connected with the positioning shaft; the two foot levers are sleeved and connected with the two ends of the positioning shaft; the front head pipe at the front end of the bike beam is connected with the front fork; the front wheel is arranged on the front fork and connected with the foldable handle vertical pipe; the handlebars are installed at the foldable handle vertical pipe; the two foot levers are connected with the two warped rods; the two warped rods are connected with the two movable pulleys; the rear fork is connected with the rear wheel; the rear wheel is connected with the two flywheels; the two chains are wound on the two movable pulleys and the two flywheels and articulated with the two springs; the two springs are connected with the two connecting sheets; and the two connecting sheets are connected with the two chains.

Description

Folding two movable pulley drives bicycle

Technical field

The utility model relates to the recreational vehicle that a kind of both feet just can not make it to move ahead as ground, and particularly a kind of folding two movable pulleys drive bicycle.

Technical background

Though the recreational vehicle of trampling up and down in the market has quite a few moneys, most recreational vehicles of trampling up and down and exist to ride and defective such as do not unfold, profile is not smooth because structure problem can not be drawn back it; The design people formerly design-calculated " two movable sprocket drive-type two-wheeled bicycle " though solved the problem that other than ring type chain pull flywheel is difficult to fall back; But because construction problem makes the vehicle body volume bigger, outward appearance is not beautiful, carries inconvenience; And two treadle protract, trample uncomfortable.

The utility model content

The purpose of the utility model, be to provide a kind of more reasonable structure, profile is bijou, it is more comfortable to trample, more portable after folding, folding two movable pulleys drive bicycles.The purpose of the utility model is achieved in that folding two movable pulley drives bicycle; Comprise vehicle body, front fork, folding grip standpipe, handlebar, front-wheel, trailing wheel, driver train and brake; It is characterized in that: vehicle body is made up of car beam, front pipe, back vent, fix shaft, rear panel and middle panel; The folding grip standpipe is made up of folding part down and handle riser; Brake is made up of brake lever, stop line and the sheet of stopping, driver train by treadle, pedal, stick up bar, movable pulley, chain, extension spring, flywheel and connecting strap and constitute, driver train is the both sides that are arranged on the car beam about two covers divide; Car beam archwise, the Che Liang rear end connects back vent, and the front portion of car beam is connected with fix shaft, two socket two treadles of fix shaft; The front pipe of car beam front end connects front fork, and front-wheel is arranged on the front fork, and front fork connects the folding grip standpipe; Handlebar is installed on the folding grip standpipe, and two treadles connect two and stick up bar, and two stick up bar connects two movable pulleys; Back vent connects trailing wheel, and trailing wheel connects two flywheels, and two chains are wire-wrapped on two movable pulleys and two flywheels; Two chains link two springs, and two springs connect two connecting straps, and two connecting straps connect two chains.

The beneficial effect of the utility model is: Jiang Cheliang is designed to arc, and rear panel is positioned the top of trailing wheel, can vehicle body be shortened; And the profile of car is more attractive in appearance; Adopt two treadles to be socketed on and be fixed on the anterior fix shaft of car beam, it is more freely comfortable to let this car trample, and chain divides three sections connections; In be truncated into the discharging of double-stranded bar, can let this car retreat freely.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the utility model chain discharge structure figure.

Fig. 3 steps on the scheme drawing that moves ahead under the utility model right crus of diaphragm.

Fig. 4 steps on the scheme drawing that moves ahead down again for the utility model left foot.

Fig. 5 is the folding effect figure of the utility model.

Among the figure: 1---vehicle body, 2---front fork, 3---the folding grip standpipe, 4---handlebar, 5---front-wheel, 6---trailing wheel, 7---driver train, 8---brake; Wherein vehicle body 1 also comprises: 11---the car beam, and 12---the front pipe, 13---back vent, 14---fix shaft, 15---rear panel, 16---middle panel; Folding grip standpipe 3 also comprises: 31---folding part down, and 32---handle riser; Driver train 7 also comprises: 71---treadle, and 72---pedal, 73---stick up bar, 74---movable pulley, 75---chain, 76---extension spring, 77---flywheel, 78---connecting strap; Wherein chain 75 also comprises: 751---preceding cutter chain bar, and 752---middle cutter chain bar, 753---back cutter chain bar; Brake 8 also comprises: 81---brake lever, and 82---the line of stopping, 83---the sheet of stopping.

The specific embodiment

According to Fig. 1, Fig. 2, Fig. 3, described folding movable pulley driven scooter comprises vehicle body 1, front fork 2, folding grip standpipe 3, handlebar 4, front-wheel 5, trailing wheel 6, driver train 7 and brakes 8;

Described vehicle body 1 comprises car beam 11, front pipe 12, back vent 13, fix shaft 14, rear panel 15 and middle panel 16; Described car beam 11 is to bend to arc metal tube; Described car beam 11 front ends connect described front pipe 12; Described car beam 11 rear ends connect described back vent 13, and also to wearing and weld a described fix shaft 14, the top at said car beam 11 rear portions connects described rear panel 14 in the front portion of said car beam 11; The top at said car beam 11 middle parts connects described middle panel 15, and described rear panel 14 all is a plastic front board with described middle panel 15.

Described front fork 2 is rotatably connected through seven bowls and described front pipe 12, and described front-wheel 5 is installed on the described front fork 2, and described trailing wheel 6 is installed on the described back vent 13;

Described folding grip standpipe 3 comprises folding part 31 and handle riser 32 down; The described folding part 31 down of

is that a sheetmetal strikes out the U-shaped bending; The middle part and the bottom on said U-shaped curved openings both sides; A pair of perforation is respectively arranged; Said folding part 31U shape curved top portion down has a U-shaped gap; The bottom of part 31 is to boring a hole through the front fork tube of lock bolt and said front fork 2 is made amplexis under said the folding, and the middle part of part 31 is to boring a hole through being rotatably connected to locking bolt and described handle riser 32 under said the folding;

A thick-walled metal pipe is welded in the bottom of described handle riser 32; Said handle riser 32 is through the middle part of the thick-walled metal pipe of bottom and said folding part 31 down perforation to be done to be rotatably connected; The bottom of said handle riser 32 also has a flange to perforation; The flange of said handle riser 32 has a slotted hole to the vertical position of perforation, and the flange of said handle riser 32 is to being placed with a cylinder with threaded hole in the perforation, and the slotted hole of said handle riser 32 is corresponding with the said folding U-shaped gap at part 31 tops that descends; One band is penetrated bolt the slotted hole of said handle riser 32; Be screwed in the tapped bore of said cylinder again, just can described handle riser 32 and described folding part 31 be down made interlocking, described handlebar 4 is installed on the described handle riser 32.

Described driver train 7; Comprise treadle 71, pedal 72, stick up bar 73, movable pulley 74, chain 75, extension spring 76, flywheel 77 and connecting strap 78; Described driver train 7 is the both sides that are arranged on said car beam about two covers divide; Described treadle 71 is the vertical thick-walled pipes that respectively weld in a pipe front and back end, has attacked screw thread in the heavy wall pore of said treadle 71 rear ends, the rotatable two, the left and right sides that is socketed on said fix shaft of the front end of two said treadles 71; Two described pedals 72 are installed on the rear end of said two treadles, and a described bar 73 that sticks up is also respectively welded in the below of two said treadle 71 front ends;

Two said bottoms of the sticking up bar 73 described movable pulley 74 that respectively is rotatably connected, described movable pulley 74 is plastic pulleys of bead trough of belt, is installed on the two said flywheels 77 of said trailing wheel 6 the right and lefts, is two to cooperate the small flywheel of PU wheel;

On two described chain 75 solderless wrapped connections and two described movable pulleys 74 and the two described flywheels 77; Two described chains 75 also comprise preceding cutter chain bar 751, middle cutter chain bar 752 and back cutter chain bar 753, described in cutter chain bar 752 be two side by side, front and back end and preceding cutter chain bar 751 with after cutter chain bar 753 bonded assembly chains; In the unmanned masterpiece time spent; The both sides of two said flywheel 77 gear teeth about two described middle cutter chain bars 752 are wire-wrapped in, flywheel 77 front and back of this moment can accessiblely be rotated, when trampling described pedal 72; Describedly stick up before sticking up bar 73; Draw before the said chain 75 of inconjunction with, the gear teeth of the said flywheel 77 of this moment are changeed forward by cutter chain bar 753 solderless wrapped connections of described back and band, and car is moved ahead fast.

One end of said extension spring 76 connects described back cutter chain bar 753; The other end is connected in described connecting strap 78; It is the parts that are welded in both sides, said car beam 11 middle part that the front end of said preceding cutter chain bar 751 is connected in described connecting strap 78, two described connecting straps 78, and button is detained with the back before having on the described connecting strap 78; The preceding button of said connecting strap 78 is connected with described preceding cutter chain bar 751 through pin, and the back button of said connecting strap 78 is used for the described extension spring 76 of clasp joint.

Described brake 8 comprises brake lever 81, the stop line 82 and the sheet 83 of stopping; Said brake lever 81 is installed on the described handlebar 4; The described line 82 of stopping is connected with described brake lever 81; The described sheet 83 stopped is rotatable be installed on the described front fork 2 with described back vent 13 on, the front end of the said sheet 83 of stopping is connected with the described line 82 of stopping, there is retracing spring said sheet 83 and the said junction of stopping line 82 of stopping.

Claims

1. folding two movable pulleys drive bicycle; Comprise vehicle body, front fork, folding grip standpipe, handlebar, front-wheel, trailing wheel, driver train and brake; It is characterized in that: vehicle body is made up of car beam, front pipe, back vent, fix shaft, rear panel and middle panel; The folding grip standpipe is made up of folding part down and handle riser; Brake is made up of brake lever, stop line and the sheet of stopping, driver train by treadle, pedal, stick up bar, movable pulley, chain, extension spring, flywheel and connecting strap and constitute, driver train is the both sides that are arranged on the car beam about two covers divide; Car beam archwise, the Che Liang rear end connects back vent, and the front portion of car beam is connected with fix shaft, two socket two treadles of fix shaft; The front pipe of car beam front end connects front fork, and front-wheel is arranged on the front fork, and front fork connects the folding grip standpipe; Handlebar is installed on the folding grip standpipe, and two treadles connect two and stick up bar, and two stick up bar connects two movable pulleys; Back vent connects trailing wheel, and trailing wheel connects two flywheels, and two chains are wire-wrapped on two movable pulleys and two flywheels; Two chains link two springs, and two springs connect two connecting straps, and two connecting straps connect two chains.

2. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: the front portion of said car beam is to wearing and weld a described fix shaft; The top at said Che Liang rear portion connects described rear panel; The top at said car beam middle part connects described middle panel, and described rear panel and described middle panel all are plastic front board.

3. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: described folding grip standpipe comprises folding part and handle riser down; Described folding part down is that a sheetmetal strikes out the U-shaped bending; A pair of perforation is respectively arranged at the middle part and the bottom on said U-shaped curved openings both sides, and said folding part U-shaped curved top portion down has a U-shaped gap; The bottom of part is to boring a hole through the front fork tube of lock bolt and said front fork is made amplexis under said the folding, and the middle part of part is to boring a hole through being rotatably connected to locking bolt and described handle riser under said the folding.

4. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: a thick-walled metal pipe is welded in the bottom of described handle riser; Said handle riser is through the middle part of the thick-walled metal pipe of bottom and said folding part down perforation to be done to be rotatably connected; The bottom of said handle riser also has a flange to perforation, and the flange of said handle riser has a slotted hole to the vertical position of perforation, and the flange of said handle riser is to being placed with a cylinder with threaded hole in the perforation; The slotted hole of said handle riser is corresponding with the U-shaped gap at said folding part top down; One band is penetrated the slotted hole of said handle riser to bolt, be screwed into again in the tapped bore of said cylinder, just can described handle riser and the described time part that folds be made interlocking.

5. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: described driver train is the both sides that are arranged on said car beam about two covers divide; Described treadle is the vertical thick-walled pipe that respectively welds in a pipe front and back end; Attacked screw thread in the heavy wall pore of said treadle rear end; The rotatable two, the left and right sides that is socketed on said fix shaft of the front end of two said treadles, two described pedals are installed on the rear end of said two treadles, and a described bar that sticks up is also respectively welded in the below of two said treadle front ends.

6. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: two said bottoms of the sticking up bar described movable pulley that respectively is rotatably connected; Described movable pulley is the plastic pulley of bead trough of belt; Being installed on the two said flywheels of said trailing wheel the right and left, is the small flywheel of two cooperation PU wheels.

7. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: on two described chain solderless wrapped connections and two described movable pulleys and the two described flywheels; Two described chains also comprise preceding cutter chain bar, middle cutter chain bar and back cutter chain bar; In described the cutter chain bar be two side by side, front and back end and preceding cutter chain bar and back cutter chain bar bonded assembly chain.

8. folding two movable pulleys according to claim 1 drive bicycle; It is characterized in that: an end of said extension spring connects described back cutter chain bar; The other end is connected in described connecting strap; The front end of cutter chain bar is connected in described connecting strap before said, and two described connecting straps are the parts that are welded in both sides, said car beam middle part, button and back button before having on the described connecting strap; The preceding button of said connecting strap is connected with described preceding cutter chain bar through pin, and the back button of said connecting strap is used for the described extension spring of clasp joint.