CN202541730U

CN202541730U - Mini-folding bicycle

Info

Publication number: CN202541730U
Application number: CN2012200180176U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2012-01-16
Filing date: 2012-01-16
Publication date: 2012-11-21
Anticipated expiration: 2022-01-16

Abstract

The utility model discloses a mini-folding bicycle, which comprises a bicycle body, a rear fork, a saddle, a front fork, a V-shaped folding handle, a front wheel, a rear wheel and a driving mechanism, and is characterized in that the bicycle body comprises a beam pipe, a front head pipe, a five-way pipe and a seat pipe; the front end of the beam pipe is connected with the front head pipe; the five-way pipe is connected below the front part of the front head pipe; the back end of the beam pipe is connected with the seat pipe; the rear fork is connected behind the seat pipe; the V-shaped folding handle consists of a handle base, a left shaft, a right shaft, a left handle, a right handle, a left quick release, a right quick release, a backing sheet, a safety catch, a knob and an inner extension pipe; the driving mechanism consists of a middle shaft, an auxiliary shaft, two cranks, two pedals, a front-stage chain wheel, a front-stage small chain wheel, a back-stage chain wheel, a front-stage chain, a back-stage chain and a flywheel; the front frame is connected with a front piece of a folding base; the front fork is rotationally connected with the head pipe of the bicycle body; the V-shaped folding handle is connected with the front fork; the front wheel is arranged on the front fork; and the back wheel is arranged on the rear fork.

Description

Mini foldable bicycle

Technical field

The utility model relates to a kind of folding bicycle, particularly a kind of mini foldable bicycle.

Technical background

The style of folding bicycle is numerous in the market, but only has the mini foldable bicycle of a pair of handgrip folding joint to have no way of seeking.

The utility model content

The purpose of the utility model is to provide a kind of structure and shape obviously to be different from traditional folding bicycle, can more convenient folding mini foldable bicycle.The purpose of the utility model is achieved in that mini foldable bicycle; Comprise vehicle body, back vent, vehicle seat, front fork, the folding handgrip of vee shape, front-wheel, trailing wheel and driver train, it is characterized in that: vehicle body comprises beam pipe, front pipe, five-way pipe and seat pipe, and beam pipe front end connects the front pipe; The front lower place of front pipe connects the five-way pipe; The rear end Connection Block pipe of beam pipe, the rear of seat pipe connects back vent, and the folding handgrip of vee shape is made up of handgrip pedestal, Y-axis, left and right handles, left and right sides quick detach, backer's sheet, safety catch, knob and inside extending tube; Driver train is made up of axis, countershaft, two cranks, two pedals, prime sprocket wheel, prime minor sprocket, back level sprocket wheel, prime chain, back level chain and flywheel; Side arm is connected with the former piece of folding pedestal, and the head pipe of front fork and vehicle body is rotationally connected, and the folding handgrip of vee shape is connected with front fork; Front-wheel is installed on front fork, and trailing wheel is installed on back vent.

The beneficial effect of the utility model is: the both sides that two handgrips are arranged on vehicle seat; Make this car can manifest mini style, the five-way pipe is connected the front lower place with the front pipe, make when riding somatosensory more comfortable; Driver train is arranged to the two-stage speedup, makes this car can guarantee moving velocity.

Description of drawings

Fig. 1 is the organigram of the utility model.

Fig. 2 is the expansion scheme drawing of the folding handgrip of the utility model vee shape.

Fig. 3 is the folding scheme drawing of the folding handgrip of the utility model vee shape.

Fig. 4 is the folding design sketch of the utility model.

Among the figure: 1---vehicle body, 2---back vent, 3---vehicle seat, 4---front fork, 5---vee shape folds handgrip, and 6---front-wheel, 7---trailing wheel, 8---driver train; Wherein vehicle body 1 also comprises: 11---the beam pipe, and 12---the front pipe, 13---the five-way pipe, 14---the seat pipe; Vehicle seat 3 also comprises: 31---saddle pipe, and 32---saddle, the folding handgrip 5 of vee shape also comprises: 51---pedestal, 52---Y-axis; 53---left and right handles, 54---left and right sides quick detach, 55---backer's sheet; 56---safety catch, 57---knob, 58---inside extending tube; Driver train 8 also comprises: 81---axis, and 811---countershaft, 82---crank, 83---pedal, 84---the prime sprocket wheel, 85---the prime minor sprocket, 86---back level sprocket wheel, 87---the prime chain, 88---back level chain, 89---flywheel.

The specific embodiment

According to Fig. 1, Fig. 2, Fig. 3, described mini foldable bicycle comprises vehicle body 1, back vent 2, vehicle seat 3, front fork 4, the folding handgrip 5 of vee shape, front-wheel 6, trailing wheel 7 and driver train 8;

Described vehicle body 1; Comprise beam pipe 11, front pipe 12, five-way pipe 13 and seat pipe 14, the front end of described beam pipe 11 is welded to connect described front pipe 12, and the front lower place of said front pipe 12 is welded to connect one and connects towards part; Connection is welded to connect described five-way pipe 13 towards part; The rear end of described beam pipe 11 is welded to connect described seat pipe 14, and the rear of described seat pipe 14 is welded to connect back vent 2, and described trailing wheel 7 is installed in the rear end of described back vent 2.

Described vehicle seat 3 comprises saddle pipe 31 and saddle 32, and described saddle pipe 31 is installed in the said seat pipe 14, and with pipe clamp locking, described saddle 32 is installed on the top of said saddle pipe 1.

Described front fork 4 rotates with described front pipe 12 through seven bowls and is connected, and described front-wheel 7 is installed in the lower end of said front fork 4.

The folding handgrip 5 of described vee shape is the folding handgrips of dual interlocking formula vee shape, and the folding handgrip 5 of described vee shape comprises handgrip pedestal 51, Y-axis 52, left and right handles 53, left and right sides quick detach 54, backer's sheet 55, safety catch 56, knob 57 inside extending tubes 58;

Described handgrip pedestal 51 is Al squeezing materials of all-purpose card cat head profile, and the hole that the opal place has the band that makes progress to crack cuts off after form after perforate and the Vehicle Processing; The top of said handgrip pedestal 51; Cracking with said handgrip pedestal 51, the hole is perpendicular to have two double thread holes; Described two front and back with threaded hole are parallel to being provided with; One downward through hole is arranged at the top of said handgrip pedestal 51, and a counterbore is upwards arranged at the bottom of said handgrip pedestal 51, the said counterbore close-fitting socket one described inside extending tube 58 of said handgrip pedestal 51.

Two leading portions of described Y-axis 52 weld with two bottoms of described left and right handles 53 respectively; All there is tapped bore two rear ends of said Y-axis 52; Described Y-axis 52 penetrates two of said handgrip pedestal 51 and cracks in the hole; Again with two pads and the two anti-bolts that fall in the location, two rear ends of Y-axis, described left and right sides quick detach 54 is made up of, two zone circle hole bolts and two plastics liners two quick detach, described quick detach and said zone circle hole bolt be rotatably connected; Two zone circle hole bolts of said left and right sides quick detach 54 penetrate in the hole of two said plastics liners; Be screwed in 51 liang of tapped bore that are oppositely arranged of said handgrip pedestal, the described left and right sides of switching quick detach 54 can be locked described Y-axis 52 again.

Described backer's sheet 55 is Al squeezing material blanks of being with convex globoidal down, and the top of the convex globoidal of said backer's sheet 55 and said handgrip pedestal 51 matches; Porose on described backer's sheet 55, a hanging bolt is penetrated in the hole of said backer's sheet 55, penetrate again in the downward through hole in said handgrip pedestal 51 tops; Be screwed into again in the tapped bore of the plug that expands; The plug that expands is penetrated in the pipe of said front fork 5 together with described inside extending tube 58, tighten hanging bolt, just can be with described handgrip pedestal 51; Fix with described front fork 5 together with described inside extending tube 58 and to be connected; And described backer's sheet 55 is fixed in the top of said handgrip pedestal 51, when described backer's sheet 55 can launch described left and right handles 53, is limited to certain spacing.

Described safety fastener about 56 minutes two, the left part of said safety fastener 56 is one has hole with seam, the Al squeezing material sliced pieces of wire-frame image outer-hexagonal track wrench; The left part of said safety fastener 56 is welded in said left hand 53 bottom; The right part of said safety fastener 56 is the Al squeezing materials with two holes, cuts off the back and after the groove milling of the vertical position in a hole, processes, and a hole of said safety fastener 56 right parts is holes of band salient point; The cotter pilotage rotational angle that penetrates said knob 57 wherein can be limited within the 90 degree scopes; Another hole of said safety fastener 56 right parts, the mounting spring pin, the right part of said safety fastener 56 is welded in the bottom of said right handgrip 53; When described left and right handles 53 launches; The left part of said safety fastener 56 is bumped in the groove milling of said safety fastener 56 right parts, and said safety fastener 56 left parts hole with seam, and is corresponding with the hole of the band salient point of said safety fastener 56 right parts.

The described knob 57 of

; An end that is a cotter pilotage connects a button handle; Near said button with the button of said cotter pilotage junction on; Have one with the corresponding pin-and-hole of said safety catch 56 right part spring pins, the pin-and-hole of said button handle is a counterbore.

Described driver train 8; Comprise axis 81, countershaft 811, two cranks 82, two pedals 83, prime sprocket wheel 84, prime minor sprocket 85, back level sprocket wheel 86, prime chain 87, back level chain 88 and flywheel 89; Described axis 81 is installed in the said five-way pipe of said vehicle body 1 through the axis accessory; Described countershaft 811 is fixedly connected on the middle part of said vehicle body 1 said beam pipe 11; And the right-hand member of said countershaft 811 stretches out to the right side of said beam pipe 11, and described two cranks 83 are installed on two of said axis 81, and described prime sprocket wheel 84 is fixed with described right crank 82; Described two pedals 83 are installed on said two cranks 82; Described prime minor sprocket 85 together is connected in a beam barrel with described back level sprocket wheel 86, and described beam barrel internal diameter is inlaid with two bearings, and described prime minor sprocket 85 and described back level sprocket wheel 86 are through the two bearings in the said beam barrel; Rotate with the right-hand member of said countershaft 811 and to be connected; Described flywheel 89 is installed on the right of said trailing wheel 7, and described prime chain 87 is wire-wrapped on described prime sprocket wheel 84 and the described prime minor sprocket 85, and a described back level chain 88 is wire-wrapped on described back level sprocket wheel 86 and the described flywheel 89.

Claims

1. mini foldable bicycle; Comprise vehicle body, back vent, vehicle seat, front fork, the folding handgrip of vee shape, front-wheel, trailing wheel and driver train, it is characterized in that: vehicle body comprises beam pipe, front pipe, five-way pipe and seat pipe, and beam pipe front end connects the front pipe; The front lower place of front pipe connects the five-way pipe; The rear end Connection Block pipe of beam pipe, the rear of seat pipe connects back vent, and the folding handgrip of vee shape is made up of handgrip pedestal, Y-axis, left and right handles, left and right sides quick detach, backer's sheet, safety catch, knob and inside extending tube; Driver train is made up of axis, countershaft, two cranks, two pedals, prime sprocket wheel, prime minor sprocket, back level sprocket wheel, prime chain, back level chain and flywheel; Side arm is connected with the former piece of folding pedestal, and the head pipe of front fork and vehicle body is rotationally connected, and the folding handgrip of vee shape is connected with front fork; Front-wheel is installed on front fork, and trailing wheel is installed on back vent.

2. mini foldable bicycle according to claim 1 is characterized in that: the front lower place of said front pipe is welded to connect one and connects towards part, connects to be welded to connect described five-way pipe towards part.

3. mini foldable bicycle according to claim 1; It is characterized in that: the folding handgrip of described vee shape is the folding handgrip of dual interlocking formula vee shape; Described handgrip pedestal; Be the Al squeezing material of all-purpose card cat head profile, the hole that the opal place has the band that makes progress to crack cuts off after form after perforate and the Vehicle Processing; The top of said handgrip pedestal; Cracking with said handgrip pedestal, the hole is perpendicular to have two double thread holes; Described two front and back with threaded hole are parallel to being provided with; One downward through hole is arranged at the top of said handgrip pedestal, and a counterbore is upwards arranged at the bottom of said handgrip pedestal, the said counterbore close-fitting socket one described inside extending tube of said handgrip pedestal.

4. mini foldable bicycle according to claim 3; It is characterized in that: wherein said vee shape folds handgrip, and two leading portions of described Y-axis weld with two bottoms of described left and right handles respectively, and all there is tapped bore two rear ends of said Y-axis; Described Y-axis penetrates two of said handgrip pedestal and cracks in the hole; Again with two pads and the two anti-bolts that fall in the location, two rear ends of Y-axis, described left and right sides quick detach is made up of, two zone circle hole bolts and two plastics liners two quick detach, described quick detach and said zone circle hole bolt be rotatably connected; Two zone circle hole bolts of said left and right sides quick detach penetrate in the hole of two said plastics liners; Be screwed in the tapped bore that said handgrip pedestal two is oppositely arranged, the described left and right sides of switching quick detach can be locked described Y-axis again.

5. mini foldable bicycle according to claim 3 is characterized in that: wherein said V font folds handgrip, about described insurance deduction of points two; The left part of said safety fastener is one has hole with seam, the Al squeezing material sliced pieces of wire-frame image outer-hexagonal track wrench, and the left part of said safety fastener is welded in the bottom of said left hand handle; The right part of said safety fastener is the Al squeezing material with two holes, cuts off the back and after the groove milling of the vertical position in a hole, processes, and a hole of the right part of said safety fastener is the hole of band salient point; The cotter pilotage rotational angle that penetrates said knob wherein can be limited within the 90 degree scopes; Another hole of the right part of said safety fastener, the mounting spring pin, the right part of said safety fastener is welded in the bottom of said right handgrip; When described left and right handles launches; The left part of said safety fastener is bumped in the groove milling of the right part of said safety fastener, and part hole with seam, a said safety fastener left side, and is corresponding with the hole of the band salient point of the right part of said safety fastener.

6.

mini foldable bicycle according to claim 3; It is characterized in that: wherein said vee shape folds handgrip; Described knob; An end that is a cotter pilotage connects a button handle; Near said button with the button of said cotter pilotage junction on; Have one with the corresponding pin-and-hole of the right part spring pin of said safety catch, the pin-and-hole of said button handle is a counterbore.

7. mini foldable bicycle according to claim 1; It is characterized in that: the said axis of said driver train is installed in the said five-way pipe of said vehicle body through the axis accessory, and described countershaft is fixedly connected on the middle part of the said beam pipe of said vehicle body, and the right-hand member of said countershaft stretches out to the right side of said beam pipe; Described two cranks are installed on two of said axis; Described prime sprocket wheel and described right crank are fixed, and described two pedals are installed on said two cranks, and described prime minor sprocket and described back level sprocket wheel together are connected in a beam barrel; Described beam barrel internal diameter is inlaid with two bearings; Described prime minor sprocket and described back level sprocket wheel be through the interior two bearings of said beam barrel, and rotating with the right-hand member of said countershaft is connected, and described flywheel is installed on the right of said trailing wheel; Described prime chain is wire-wrapped on described prime sprocket wheel and the described prime minor sprocket, and described back level chain is wire-wrapped on described back level sprocket wheel and the described flywheel.