CN215399119U

CN215399119U - Bicycle with rear wheel folding structure

Info

Publication number: CN215399119U
Application number: CN202120461972.6U
Authority: CN
Inventors: 曹光玥
Original assignee: Tianjin Jinmingdi Technology Co ltd
Current assignee: Tianjin Jinmingdi Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2022-01-04
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a bicycle with a rear wheel folding structure, which comprises an adjusting cylinder, a front wheel bracket, a connecting rod, a handrail and a rear wheel bracket, wherein a connecting piece is welded at the right end of the rear wheel bracket, sleeves are symmetrically arranged on the outer wall of the right side of the connecting piece, an adjusting mechanism is welded at the left side of the adjusting cylinder, the adjusting mechanism comprises a shell, fixing plates, an installing plate, a second wedge block, a first wedge block, a worm wheel, a swing rod, a support rod, a positioning pin and a rotating shaft, the shell is welded on the outer wall of the left side of the adjusting cylinder, fixing plates are symmetrically arranged on the inner wall of the right side of the shell, and the installing plate positioned on the inner wall of the right side of the shell is welded between the two fixing plates. The device can fold the rear wheel structure of the bicycle through the combination of various structures, thereby reducing the space occupation of the bicycle and facilitating the storage and transportation of the bicycle.

Description

Bicycle with rear wheel folding structure

Technical Field

The utility model relates to the technical field of bicycles, in particular to a bicycle with a rear wheel folding structure.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle.

Because the increase of bicycle, the storage bicycle also needs more and more space, and traditional bicycle adopts the integral type structure basically to make the space requirement to the bicycle storage higher, and then make the storage and the transportation of bicycle comparatively inconvenient. Therefore, how to handle the bicycle becomes an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problem that the storage and transportation of a bicycle are inconvenient due to the integral structure of the traditional bicycle in the background art, the utility model provides the bicycle with the rear wheel folding structure.

(II) technical scheme

The utility model provides a bicycle with a rear wheel folding structure, which comprises an adjusting cylinder, a front wheel bracket, a connecting rod, a handrail and a rear wheel bracket, wherein a connecting piece is welded at the right end of the rear wheel bracket, sleeves are symmetrically arranged on the outer wall of the right side of the connecting piece, an adjusting mechanism is welded at the left side of the adjusting cylinder, and the adjusting mechanism comprises a shell, a fixing plate, an installation plate, a second wedge block, a first wedge block, a worm wheel, a swing rod, a support rod, a positioning pin and a rotating shaft.

Preferably, the welding has the casing on the left side outer wall of adjusting a section of thick bamboo, the symmetry is equipped with the fixed plate on the right side inner wall of casing, two the welding has the mounting panel that is located on the casing right side inner wall between the fixed plate.

Preferably, the mounting plate is movably connected with a second wedge block, the right side of the second wedge block is slidably connected with a first wedge block, and the top of the first wedge block is welded.

Preferably, the top of the upper fixing plate is rotatably connected with a worm, the top end of the worm penetrates through the wall of the top shell of the shell, the handle is installed on the top shell of the shell, a worm wheel is arranged on the right side of the worm, a transmission shaft is connected to the worm wheel through a bolt, and two ends of the transmission shaft are rotatably connected to the inner walls of the front face and the back face of the shell respectively.

Preferably, the front surface of the worm wheel is provided with a swing rod positioned on the transmission shaft, the swing rod is provided with a movable groove, the inside of the movable groove is connected with a movable block in a sliding manner, and the bottom of the movable block is hinged on the support rod.

Preferably, the fixed plates are provided with rotating shafts on one sides close to each other, the sleeves are sleeved on the rotating shafts, the second wedge blocks are connected to the mounting plate in a sliding mode, positioning pins are symmetrically arranged on the left sides of the second wedge blocks, and one ends, far away from the second wedge blocks, of the positioning pins penetrate through the wall of the left side of the mounting plate and are inserted into the connecting piece.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

make this device can fold the rear wheel structure of bicycle through the combination of structures such as installation adjusting cylinder, front wheel support, connecting rod, handrail, adjustment mechanism, casing, fixed plate, mounting panel, second voussoir, first voussoir, worm wheel, pendulum rod, vaulting pole, locating pin, pivot, connecting piece, rear wheel support and sleeve to reduce the bicycle and take up the space, make things convenient for depositing and transporting of bicycle.

Drawings

Fig. 1 is a schematic structural view of a bicycle with a rear wheel folding structure according to the present invention.

Fig. 2 is a schematic structural diagram of an adjusting mechanism of a bicycle with a rear wheel folding structure according to the present invention.

FIG. 3 is a top view of the sleeve and the axle of the bicycle with the folding structure of the rear wheel according to the present invention.

Reference numerals: 1. an adjusting cylinder; 2. a front wheel bracket; 3. a connecting rod; 4. a handrail; 5. an adjustment mechanism; 51. a housing; 52. a fixing plate; 53. mounting a plate; 54. a second wedge; 55. a first wedge; 56. a worm; 57. a worm gear; 58. a swing rod; 59. a stay bar; 510. positioning pins; 511. a rotating shaft; 6. a connecting member; 7. a rear wheel support; 8. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1-3, the bicycle with a rear wheel folding structure provided by the present invention comprises an adjusting cylinder 1, a front wheel bracket 2, a connecting rod 3, a handrail 4 and a rear wheel bracket 7, wherein a connecting member 6 is welded at the right end of the rear wheel bracket 7, a sleeve 8 is symmetrically arranged on the outer wall of the right side of the connecting member 6, an adjusting mechanism 5 is welded at the left side of the adjusting cylinder 1, and the adjusting mechanism 5 comprises a housing 51, a fixing plate 52, an installation plate 53, a second wedge block 54, a first wedge block 55, a worm 56, a worm wheel 57, a swing rod 58, a support rod 59, a positioning pin 510 and a rotating shaft 511.

In an alternative embodiment, a shell 51 is welded on the left outer wall of the adjusting cylinder 1, fixing plates 52 are symmetrically arranged on the right inner wall of the shell 51, and a mounting plate 53 located on the right inner wall of the shell 51 is welded between the two fixing plates 52.

In an alternative embodiment, a second wedge 54 is movably connected to the mounting plate 53, a first wedge 55 is slidably connected to the right side of the second wedge 54, and a top 29 of the first wedge 55 is welded.

In an alternative embodiment, a worm 56 is rotatably connected to the top of the upper fixing plate 52, the top end of the worm 56 penetrates through the top wall of the housing 51, and a handle is installed, a worm wheel 57 is provided on the right side of the worm 56, and a transmission shaft is connected to the worm wheel 57 through a bolt, and two ends of the transmission shaft are rotatably connected to the front and back inner walls of the housing 51, respectively.

In an alternative embodiment, the front surface of the worm wheel 57 is provided with a swing rod 58 positioned on the transmission shaft, the swing rod 58 is provided with a movable groove, the inside of the movable groove is slidably connected with a movable block, and the bottom of the movable block is hinged on a support rod 59.

In an alternative embodiment, the rotating shafts 511 are installed on the two fixing plates 52 on the sides close to each other, the sleeve 8 is sleeved on the rotating shafts 511, the second wedge block 54 is slidably connected to the mounting plate 53, positioning pins 510 are symmetrically arranged on the left side of the second wedge block 54, and one ends of the positioning pins 510 far away from the second wedge block 54 penetrate through the left side wall of the mounting plate 53 and are inserted into the connecting piece 6.

The working principle is as follows: when the bicycle is not needed to be used for storage, the handle is rotated to drive the worm 56 to rotate, the worm 56 and the worm wheel 57 are in meshing transmission, the transmission shaft is driven to rotate, the swing rod 58 is driven to move by rotation of the transmission shaft, the support rod 59 is further driven to move upwards, the first wedge block 55 is driven to move upwards, due to the fact that the first wedge block 5 is in sliding connection with the second wedge block 54, the second wedge block 54 moves rightwards along with movement of the first wedge block 55, the positioning pin 510 is driven to cancel fixing of the connecting piece 6, and therefore a user can achieve folding of the rear wheel support 7 through rotating sleeve connection between the sleeve 8 and the rotating shaft 511, and occupation of the bicycle to space is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a bicycle with rear wheel beta structure, is including adjusting a section of thick bamboo (1), front wheel support (2), connecting rod (3), handrail (4) and rear wheel support (7), its characterized in that, the right-hand member welding of rear wheel support (7) has connecting piece (6), and the symmetry is equipped with sleeve (8) on the right side outer wall of connecting piece (6), the left side welding of adjusting a section of thick bamboo (1) has adjustment mechanism (5), adjustment mechanism (5) are including casing (51), fixed plate (52), mounting panel (53), second voussoir (54), first voussoir (55), worm (56), worm wheel (57), pendulum rod (58), vaulting pole (59), locating pin (510) and pivot (511).

2. The bicycle with the folding structure of the rear wheel as claimed in claim 1, wherein a shell (51) is welded on the outer wall of the left side of the adjusting cylinder (1), fixing plates (52) are symmetrically arranged on the inner wall of the right side of the shell (51), and a mounting plate (53) positioned on the inner wall of the right side of the shell (51) is welded between the two fixing plates (52).

3. A bicycle with a folding structure of the rear wheel, according to claim 2, characterized in that the mounting plate (53) is movably connected with a second wedge block (54), and the right side of the second wedge block (54) is slidably connected with a first wedge block (55), and the top of the first wedge block (55) is welded with a first wedge block (29).

4. A bicycle with a folding structure of a rear wheel as claimed in claim 3, wherein a worm (56) is rotatably connected to the top of the upper fixing plate (52), the top end of the worm (56) penetrates through the top wall of the housing (51) and is provided with a handle, a worm wheel (57) is arranged on the right side of the worm (56), and a transmission shaft is connected to the worm wheel (57) through a bolt, and two ends of the transmission shaft are rotatably connected to the front and rear inner walls of the housing (51), respectively.

5. The bicycle with the folding structure of the rear wheel as claimed in claim 4, wherein the front surface of the worm wheel (57) is provided with a swing rod (58) positioned on the transmission shaft, the swing rod (58) is provided with a movable groove, a movable block is connected inside the movable groove in a sliding manner, and the bottom of the movable block is hinged to the support rod (59).

6. The bicycle with the folding structure of the rear wheel as claimed in claim 5, wherein a rotating shaft (511) is installed at one side of each of the two fixing plates (52) close to each other, the sleeve (8) is sleeved on the rotating shaft (511), the second wedge block (54) is slidably connected to the mounting plate (53), positioning pins (510) are symmetrically arranged at the left side of the second wedge block (54), and one ends of the positioning pins (510) far away from the second wedge block (54) penetrate through the wall of the left side of the mounting plate (53) and are inserted into the connecting pieces (6).