CN203439192U

CN203439192U - Foldable couples bicycle

Info

Publication number: CN203439192U
Application number: CN201320473340.7U
Authority: CN
Inventors: 季夏兵; 刘素杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-05
Filing date: 2013-08-05
Publication date: 2014-02-19
Anticipated expiration: 2023-08-05

Abstract

The utility model relates to a foldable couples bicycle. The foldable couples bicycle comprises a rear part bicycle body for driving the bicycle to ride and a front part bicycle body movably connected with the rear part bicycle body for controlling the riding direction of the bicycle; the rear part bicycle body comprises a driving assembly, a rear frame, a seat, a chain tensioning device, a storage box and handles I; the front part bicycle body comprises a seat, a front frame, handles II, a front wheel and pedals. The bicycle has the folding function and can be conveniently carried when people go out; the front and rear bicycle bodies are conveniently assembled and disassembled, so space is saved; the bicycle has well damping effect; a differential at the rear wheels can enable turning to be relax and tires are less worn; the front part bicycle body adopts the seat structure, and is more comfortable to ride; the front bicycle seat is lower than the rear bicycle seat, so the sight of a person at the rear part is not influenced; one person controls the driving direction of the bicycle, so accidents caused by the fact that couples turn to non-uniform directions are avoided and the bicycle body structure is not damaged; the storage box on the bicycle body can be used for placing necessaries of a trip, so riding and touring become more relaxed.

Description

Collapsible sweethearts bicycle

Technical field

The utility model relates to a kind of bicycle, especially a kind of collapsible sweethearts bicycle.

Background technology

Bicycle is a kind of conventional vehicle, raising along with people's living standard, the concept of bicycle is also constantly changing, by originally as the simple vehicle, the transit equipment that is rich in temperament and interest of become nowadays people's holiday travel, outing, strolling in the park and going for an outing in early spring.But current sweethearts bicycle volume is larger, does not possess folder function, when wanting to carry away, people are difficult for packing in car, be also difficult at ordinary times placing, take up room too large.And existing sweethearts bicycle, damping effect is bad, by two people's controlling parties, had an accident to being easy to, structure is also insecure, front and back vehicle seat all adopts single seated, Ms is fatiguability in the process of riding, and the too little inconvenient splendid attire large numbers of items of bicycle basket on car, for go out outing, travelling of people bring a lot of inconvenience.

Utility model content

In order to address the above problem, the utility model proposes a kind of collapsible sweethearts bicycle, there is folder function, while conveniently going out, carry, front and back car body is conveniently detachable, is convenient to place at ordinary times, saves space; There is good damping effect, can make this bicycle hug the road on irregular road; The diff of trailing wheel can allow turn and become easily, reduces wear on tyres; In order to look after Ms, anterior vehicle seat has adopted chair type structure, takes more comfortablely, and front seat is lower than rear vehicle seat, does not affect people's sight line below; This car adopts single control vehicle heading, and the generation of avoiding two people to turn to disunity to cause the accident does not destroy body construction; Storage tank on car can be laid the necessity of travelling, allows and rides, plays the lighter of change.

The utility model solves the technical scheme that its technical matters adopts: a kind of collapsible sweethearts bicycle, comprises the advance front body of direction of the control bicycle that drives the rear body of bicycle walking and be flexibly connected with rear body;

Described rear body comprises walking assembly, rear vehicle frame, vehicle seat, chain stretching device, storage tank and handgrip I; Described walking assembly comprises two rear wheels, and diff is connected in the semiaxis between diff and two rear wheels, drive sprocket and chain; Described rear vehicle frame comprises the vehicle frame I of supporting seat, and top is provided with the vehicle frame II that handle I, set pin I and bottom are provided with set pin II, and for supporting the vehicle frame III of walking assembly; The bottom of described vehicle frame I and vehicle frame II are hinged, and the front end of the bottom of vehicle frame II and vehicle frame III is hinged; Articulated linkage I between described vehicle frame I and vehicle frame II, articulated linkage II between vehicle frame I and vehicle frame III, makes vehicle frame more firm, and convenient folding; Described vehicle frame III is divided into two sections of front and back, between two sections of support bodys, is provided with elastic shock-absorbing device, and the front and back section of vehicle frame III is equipped with chain stretching device, prevents that the phenomenon of chain loose or dislocation in vehicle to run process from occurring; Storage tank is installed on vehicle frame III rear portion;

Described front body comprises seat, front vehicle frame, handle II, front-wheel, stretcher; The chair back and the seat support of seat are hinged; Described front vehicle frame comprises that bottom installation front-wheel and top are provided with the front wheel carrier of handle II, be located at the hinged bottom support frame of seat bottom and front end and front wheel carrier, with the rear end vertical link span hinged and that be fixedly connected with chair back both sides of bottom support frame, and be located at seat both sides for the arm-rest frame of fixed armrest; The upper and lower side of described link span is respectively equipped with connecting bore, and upper connecting bore is connected with the set pin I of rear body, and lower connecting bore is connected with set pin II; The rear end of described arm-rest frame and link span hinged inside, and be hinged with expansion link between arm-rest frame and link span; Between the front end of arm-rest frame and base bracing frame, be hinged with vertical connecting rod IV; Between the seat support front side of described seat and base bracing frame, be hinged with vertical connecting rod III; Described stretcher is articulated with the bottom of bottom support frame.

Described chain stretching device comprises respectively two minor sprockets that the outer rim with upper lower chain is connected with a joggle, and by connecting element, is connected in the arc support in vehicle frame III, and the two ends of arc support are connected with minor sprocket by bearing; Arc support is provided with tensioning spring.

Described connecting element is located between lower chain, and one end and vehicle frame III are fixed, and one end is connected with the middle part of arc support, arc support is divided into two sections of connecting arms of upper and lower equalization; The end of connecting arm is all made as forked, is stuck in the both sides of chain, and connects minor sprocket; The middle part of the corresponding arc support of tensioning spring arranges, and its two ends are connected with upper and lower connecting arm respectively, arc support is tightened up and prevent chain releasing.

The supporting securing device that is provided with respectively in described set pin I and set pin II, after front body is connected with rear body, screw securing device can make before and after car body firmly connect.

The front apron of storage tank and storage tank body are hinged, are convenient to fold.

The inboard of front wheel carrier is provided with bearing seat, and the front portion of bottom support frame is provided with rotating shaft, rotarys connection with bearing seat, and bearing seat is provided with closing appliance; The anteriomedial of front wheel carrier is connected with suspender member downwards, the hinged hanger of bilateral symmetry of bottom support frame; The front and back of stretcher are respectively equipped with suspension rod, and front suspension rod and suspender member are hinged, and rear suspension bar is connected with hanger.

The height of seat of front body, lower than the vehicle seat height of rear body, does not affect cyclist's sight line below; Tricycle structure has increased the stability of vehicle.

The beneficial effects of the utility model are: a kind of collapsible sweethearts bicycle, there is folder function, and while conveniently going out, carry, front and back car body is conveniently detachable, is convenient to place at ordinary times, saves space; There is good damping effect, can make this bicycle hug the road on irregular road; The diff of trailing wheel can allow turn and become easily, reduces wear on tyres; In order to look after Ms, anterior vehicle seat has adopted chair type structure, takes more comfortablely, and front seat is lower than rear vehicle seat, does not affect people's sight line below; This car adopts single control vehicle heading, and the generation of avoiding two people to turn to disunity to cause the accident does not destroy body construction; Storage tank on car can be laid the necessity of travelling, allows and rides, plays the lighter of change.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

The integral structure schematic diagram that accompanying drawing 1 is collapsible sweethearts bicycle.

Accompanying drawing 2 is rear body structure schematic diagram.

Accompanying drawing 3 is front body structure schematic diagram.

The use state signal enlarged drawing that accompanying drawing 4 is chain stretching device.

The folded state schematic diagram that accompanying drawing 5 is collapsible sweethearts bicycle.

In figure, 1. rear body, 2. front body, 1-1. vehicle seat, 1-2. vehicle frame I, 1-3. storage tank, 1-4. rear wheel, 1-5. chain stretching device, 1-6. chain, 1-7. elastic shock-absorbing device, 1-8. connecting rod II, 1-9. vehicle frame III, 1-10. set pin II, 1-11. drive sprocket, 1-12. connecting rod I, 1-13. vehicle frame II, 1-14. set pin I, 1-15. handle I, 1-5-1. minor sprocket, 1-5-2. spring, 1-5-3. arc support, 1-5-4. connecting element; 2-1. seat, 2-2. link span, 2-3. expansion link, 2-4. handle II, 2-5. front wheel carrier, 2-6. front-wheel, 2-7. stretcher, 2-8. bottom support frame, 2-9. connecting rod III, 2-10. connecting rod IV, 2-11. arm-rest frame.

The specific embodiment

In the accompanying drawings, this collapsible sweethearts bicycle, comprises the advance front body 2 of direction of the control bicycle that drives the rear body 1 of bicycle walking and be flexibly connected with rear body 1;

Described rear body 1 comprises walking assembly, rear vehicle frame, vehicle seat 1-1, chain stretching device 1-5, storage tank 1-3 and handgrip I 1-15; Described walking assembly comprises two rear wheel 1-4, and diff is connected in the semiaxis between diff and two rear wheel 1-4, drive sprocket 1-11 and chain 1-6; Described rear vehicle frame comprises the vehicle frame I 1-2 of supporting seat 1-1, and top is provided with the vehicle frame II 1-13 that handle I 1-15, set pin I 1-14 and bottom are provided with set pin II 1-10, and for supporting the vehicle frame III 1-9 of walking assembly; Bottom and the vehicle frame II 1-13 of described vehicle frame I 1-2 are hinged, and the front end of the bottom of vehicle frame II 1-13 and vehicle frame III 1-9 is hinged; Articulated linkage I 1-12 between described vehicle frame I 1-2 and vehicle frame II 1-13, articulated linkage II 1-8 between vehicle frame I 1-2 and vehicle frame III 1-9, makes vehicle frame more firm, and convenient folding; Described vehicle frame III 1-9 is divided into two sections of front and back, between two sections of support bodys, is provided with elastic shock-absorbing device 1-7, and the front and back section of vehicle frame III 1-9 is equipped with chain stretching device 1-5, prevents that the phenomenon of chain 1-6 loose or dislocation in vehicle to run process from occurring; Storage tank 1-3 is installed on vehicle frame III 1-9 rear portion;

Described front body 2 comprises seat 2-1, front vehicle frame, handle II 2-4, front-wheel 2-6, stretcher 2-7; The chair back and the seat support of seat 2-1 are hinged; Described front vehicle frame comprises that bottom installation front-wheel 2-6 and top are provided with the front wheel carrier 2-5 of handle II 2-4, be located at the hinged bottom support frame 2-8 of seat 2-1 bottom and front end and front wheel carrier 2-5, with the rear end vertical link span 2-2 hinged and that be fixedly connected with chair back both sides of bottom support frame 2-8, and be located at seat 2-1 both sides for the arm-rest frame 2-11 of fixed armrest; The upper and lower side of described link span 2-2 is respectively equipped with connecting bore, and upper connecting bore is connected with the set pin I 1-14 of rear body 1, and lower connecting bore is connected with set pin II 1-10; The rear end of described arm-rest frame 2-11 and link span 2-2 hinged inside, and be hinged with expansion link 2-3 between arm-rest frame 2-11 and link span 2-2; Between the front end of arm-rest frame 2-11 and base bracing frame 2-8, be hinged with vertical connecting rod IV 2-10; Between the seat support front side of described seat 2-1 and base bracing frame 2-8, be hinged with vertical connecting rod III 2-9; Described stretcher 2-7 is articulated with the bottom of bottom support frame 2-8.

Described chain stretching device 1-5 comprises respectively two minor sprocket 1-5-1 that the outer rim with upper lower chain 1-6 is connected with a joggle, by connecting element 1-5-4, be connected in the arc support 1-5-3 on vehicle frame III 1-9, the two ends of arc support 1-5-3 are connected with minor sprocket 1-5-1 by bearing; Arc support 1-5-3 is provided with tensioning spring 1-5-2.

Described connecting element 1-5-4 is located between lower chain 1-6, and one end and vehicle frame III 1-9 fix, and one end is connected with the middle part of arc support 1-5-3, arc support 1-5-3 is divided into two sections of connecting arms of upper and lower equalization; The end of connecting arm is all made as forked, is stuck in the both sides of chain 1-6, and connects minor sprocket 1-5-1; The middle part of the corresponding arc support 1-5-3 of tensioning spring 1-5-2 arranges, and its two ends are connected with upper and lower connecting arm respectively, arc support 1-5-3 is tightened up and prevent that chain 1-6 from coming off.

The supporting securing device that is provided with respectively on described set pin I 1-14 and set pin II 1-10, after front body 2 is connected with rear body 1, screw securing device can make before and after car body firmly connect.

The front apron of storage tank 1-3 and storage tank 1-3 body are hinged.

The inboard of front wheel carrier 2-5 is provided with bearing seat, and the front portion of bottom support frame 2-8 is provided with rotating shaft, rotarys connection with bearing seat, and bearing seat is provided with closing appliance; The anteriomedial of front wheel carrier 2-5 is connected with suspender member downwards, the hinged hanger of bilateral symmetry of bottom support frame 2-8; The front and back of stretcher 2-7 are respectively equipped with suspension rod, and front suspension rod and suspender member are hinged, and rear suspension bar is connected with hanger.

The seat 2-1 height of front body 2, lower than the vehicle seat 1-1 height of rear body 1, does not affect cyclist's sight line below; Tricycle structure has increased the stability of vehicle.

When bicycle is folded, vehicle frame II 1-13, vehicle frame I 1-2 are folded with vehicle frame III 1-9 and closed up downwards, the front apron of storage tank 1-3 is opened, and vehicle frame II 1-13, vehicle frame I 1-2 are crouched in storage tank 1-3.Front body 2 is realized folding with rear body 1 simultaneously; In order further to dwindle car body volume, front wheel carrier 2-5, bottom support frame 2-8, seat support and handrail are folded and closed up, realize bicycle volume and minimize, conveniently place and carry.

Claims

1. a collapsible sweethearts bicycle, comprises the advance front body (2) of direction of the control bicycle that drives the rear body (1) of bicycle walking and be flexibly connected with rear body (1); Described rear body (1) comprises walking assembly, rear vehicle frame, vehicle seat (1-1), chain stretching device (1-5), storage tank (1-3) and handgrip I (1-15); Described walking assembly comprises two rear wheels (1-4), and diff is connected in the semiaxis between diff and two rear wheels (1-4), drive sprocket (1-11) and chain (1-6); Described rear vehicle frame comprises the vehicle frame I (1-2) of supporting seat (1-1), top is provided with the vehicle frame II (1-13) that handle I (1-15), set pin I (1-14) and bottom are provided with set pin II (1-10), and for supporting the vehicle frame III (1-9) of walking assembly; The bottom of described vehicle frame I (1-2) and vehicle frame II (1-13) are hinged, and the front end of the bottom of vehicle frame II (1-13) and vehicle frame III (1-9) is hinged; Articulated linkage I (1-12) between described vehicle frame I (1-2) and vehicle frame II (1-13), articulated linkage II (1-8) between vehicle frame I (1-2) and vehicle frame III (1-9); Described vehicle frame III (1-9) is divided into two sections of front and back, is provided with elastic shock-absorbing device (1-7) between two sections of support bodys, and the front and back section of vehicle frame III (1-9) is equipped with chain stretching device (1-5); Storage tank (1-3) is installed on vehicle frame III (1-9) rear portion; Described front body (2) comprises seat (2-1), front vehicle frame, handle II (2-4), front-wheel (2-6), stretcher (2-7); The chair back and the seat support of seat (2-1) are hinged; Described front vehicle frame comprises that bottom installation front-wheel (2-6) and top are provided with the front wheel carrier (2-5) of handle II (2-4), be located at the hinged bottom support frame (2-8) of seat (2-1) bottom and front end and front wheel carrier (2-5), with the rear end vertical link span hinged and that be fixedly connected with chair back both sides (2-2) of bottom support frame (2-8), and be located at seat (2-1) both sides for the arm-rest frame (2-11) of fixed armrest; The upper and lower side of described link span (2-2) is respectively equipped with connecting bore, and upper connecting bore is connected with the set pin I (1-14) of rear body (1), and lower connecting bore is connected with set pin II (1-10); The rear end of described arm-rest frame (2-11) and link span (2-2) hinged inside, and be hinged with expansion link (2-3) between arm-rest frame (2-11) and link span (2-2); Between the front end of arm-rest frame (2-11) and base bracing frame (2-8), be hinged with vertical connecting rod IV (2-10); Between the seat support front side of described seat (2-1) and base bracing frame (2-8), be hinged with vertical connecting rod III (2-9); Described stretcher (2-7) is articulated with the bottom of bottom support frame (2-8).

2. a kind of collapsible sweethearts bicycle according to claim 1, it is characterized in that: described chain stretching device (1-5) comprises respectively two minor sprockets (1-5-1) that the outer rim with upper lower chain (1-6) is connected with a joggle, by connecting element (1-5-4), be connected in the arc support (1-5-3) in vehicle frame III (1-9), the two ends of arc support (1-5-3) are connected with minor sprocket (1-5-1) by bearing; Arc support (1-5-3) is provided with tensioning spring (1-5-2).

3. a kind of collapsible sweethearts bicycle according to claim 2, it is characterized in that: described connecting element (1-5-4) is located between lower chain (1-6), one end and vehicle frame III (1-9) are fixing, one end is connected with the middle part of arc support (1-5-3), arc support (1-5-3) is divided into two sections of connecting arms of upper and lower equalization; The end of connecting arm is all made as forked, is stuck in the both sides of chain (1-6), and connects minor sprocket (1-5-1); The middle part of the corresponding arc support of tensioning spring (1-5-2) (1-5-3) arranges, and its two ends are connected with upper and lower connecting arm respectively, arc support (1-5-3) is tightened up and prevent that chain (1-6) from coming off.

4. a kind of collapsible sweethearts bicycle according to claim 1, is characterized in that: the supporting securing device that is provided with respectively in described set pin I (1-14) and set pin II (1-10).

5. a kind of collapsible sweethearts bicycle according to claim 1, is characterized in that: the front apron of storage tank (1-3) and storage tank (1-3) body are hinged.

6. a kind of collapsible sweethearts bicycle according to claim 1, is characterized in that: the inboard of front wheel carrier (2-5) is provided with bearing seat, and the front portion of bottom support frame (2-8) is provided with rotating shaft, rotarys connection with bearing seat, and bearing seat is provided with closing appliance; The anteriomedial of front wheel carrier (2-5) is connected with suspender member downwards, the hinged hanger of bilateral symmetry of bottom support frame (2-8); The front and back of stretcher (2-7) are respectively equipped with suspension rod, and front suspension rod and suspender member are hinged, and rear suspension bar is connected with hanger.

7. a kind of collapsible sweethearts bicycle according to claim 1, is characterized in that: seat (2-1) height of front body (2) lower than the vehicle seat (1-1) of rear body (1) highly.