CN215553854U

CN215553854U - Foldable outdoor bicycle

Info

Publication number: CN215553854U
Application number: CN202120935887.9U
Authority: CN
Inventors: 杨涛
Original assignee: Tianjin Ruifeng Technology Co Ltd
Current assignee: Tianjin Ruifeng Technology Co Ltd
Priority date: 2021-05-05
Filing date: 2021-05-05
Publication date: 2022-01-18
Anticipated expiration: 2031-05-05

Abstract

The utility model discloses a foldable outdoor bicycle which comprises a first frame, a second wheel and a first wheel, wherein the first frame is connected with the second frame through a rotary folding locking device body, a first wheel shaft is fixed in the middle of the first wheel, the first wheel is rotatably connected with the bottom end of the first frame through the first wheel shaft, first threads are formed in the outer wall of the rear end of the first wheel shaft, a second wheel shaft is fixed in the middle of the second wheel, the second wheel is rotatably connected with one end of the bottom of the second frame through the second wheel shaft, second threads are formed in the outer wall of the rear end of the second wheel shaft, the rear end of the first wheel shaft is in contact with the rear end of the second wheel shaft, and a thread sleeve is installed at the butt joint of the rear end of the first wheel shaft and the rear end of the second wheel shaft. The utility model has the advantages that the two wheels of the folded bicycle are butted and positioned, so that the folded bicycle is stable.

Description

Foldable outdoor bicycle

Technical Field

The utility model relates to the technical field of folding bicycles, in particular to an outdoor bicycle capable of being folded.

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. The bicycle can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle touring.

Folding bicycles belong to a category of bicycles. The folding bicycle is composed of a frame folding joint and a vertical pipe folding joint. The front and the rear wheels are folded together by folding the frame. Outdoor bicycle is folding mostly, portable after folding. The general foldable bicycle is not correspondingly limited after being folded, and the folded bicycle is in a loose state and is not stable enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an outdoor foldable bicycle, which has the advantages that two wheels of the folded bicycle are in butt joint positioning, so that the folded bicycle is stable, and the problem that the folded bicycle is unstable due to the fact that the folded bicycle is not correspondingly limited after being folded is solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an outdoor bicycle that can fold, includes first frame, second wheel and first wheel, first frame is connected with the second frame through rotating folding locking device body, the centre of first wheel is fixed with first shaft, first wheel passes through the bottom rotation of first shaft and first frame and is connected, first screw thread has been seted up to the outer wall of first shaft rear end, the centre of second wheel is fixed with the second shaft, the second wheel passes through the second shaft and is connected with second frame bottom one end rotation, the second screw thread has been seted up to the outer wall of second shaft rear end, first shaft rear end and second shaft rear end contact, threaded sleeve is installed to first shaft rear end and second shaft rear end butt joint department screw thread.

Preferably, a handlebar is fixed at the top end of one side of the first frame, and an anti-slip sleeve is sleeved on the handlebar.

Preferably, a cushion is installed at the top end of one side of the second frame, a connecting rod fixed to the bottom end of the cushion penetrates through the second frame, and the connecting rod at the bottom end of the cushion is fixed to the second frame through a locking device.

Preferably, the other end of the bottom of the second frame is rotatably provided with a chain wheel, and the chain wheel is in transmission connection with a flywheel fixed on the second wheel through a chain.

Preferably, the first thread is congruent with the second thread.

Preferably, the first thread and the second thread are respectively matched with a pipe thread arranged on the inner wall of the threaded sleeve.

Preferably, half of the threaded sleeve is located on the first axle and the other half of the threaded sleeve is located on the second axle.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the first thread, the thread sleeve and the second thread are arranged, so that the effect that two wheels of the folded bicycle are in butt joint positioning and the folded bicycle is stable is achieved. The wheel is provided with a first thread, a thread sleeve and a second thread, a first wheel shaft is rotatably arranged in the middle of a first wheel, and the outer wall of the rear end of the first wheel shaft is provided with the first thread; the middle of the second wheel is rotatably provided with a second wheel shaft, and the outer wall of the rear end of the second wheel shaft is provided with a first thread. After the first bicycle frame is folded with the second bicycle frame by rotating the folding locking device body, the first wheel corresponds to the second wheel, the rear end of the first wheel shaft is contacted with the rear end of the second wheel shaft, the first thread is consistent with the second thread, the thread sleeve is rotated to the butt joint of the first wheel shaft and the second wheel shaft, one half of the thread sleeve is positioned on the first wheel shaft, the other half of the thread sleeve is positioned on the second wheel shaft, and under the positioning of the thread sleeve, the first wheel shaft and the second wheel shaft are kept in butt joint stability, so that the folded bicycle is kept stable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a right-side view connection structure of a first wheel of the present invention;

FIG. 3 is a left side view of the second wheel of the present invention;

FIG. 4 is a schematic view of a connection structure of the first wheel and the second wheel after being butted;

fig. 5 is an enlarged view of the utility model at a in fig. 4.

In the figure: 1. a handlebar; 2. a first frame; 3. rotating and folding the locking device body; 4. a second frame; 5. a cushion; 6. a second wheel; 7. a chain; 8. a chain wheel; 9. a first wheel; 10. a first thread; 11. a first axle; 12. a second wheel axle; 13. a threaded sleeve; 14. a second thread.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 5, an embodiment of the present invention includes: the utility model provides an outdoor bicycle that can fold, including first frame 2, second frame 4, second wheel 6 and first wheel 9, first frame 2 is connected with second frame 4 through rotating folding

locking device body

3, 2 one side tops of first frame are fixed with handlebar hand 1, handlebar hand 1 goes up the cover and is equipped with the antiskid cover, cushion 5 is installed on the top of second frame 4 one side, the connecting rod of 5 bottom mountings of cushion passes second frame 4, the connecting rod of 5 bottoms of cushion passes through locking device and is fixed with second frame 4.

A first wheel shaft 11 is fixed in the middle of the first wheel 9, the first wheel 9 is rotatably connected with the bottom end of the first frame 2 through the first wheel shaft 11, a second wheel shaft 12 is fixed in the middle of the second wheel 6, the second wheel 6 is rotatably connected with one end of the bottom of the second frame 4 through the second wheel shaft 12, a chain wheel 8 is rotatably installed at the other end of the bottom of the second frame 4, and the chain wheel 8 is in transmission connection with a flywheel fixed on the second wheel 6 through a chain 7. The chain wheel 8 rotates to drive the second wheel 6 to rotate through the chain 7, and the first wheel 9 is driven on the ground, so that the bicycle can run.

Example 2

Referring to fig. 2 to 5, an embodiment of the present invention includes: a first thread 10 is formed in the outer wall of the rear end of a first wheel shaft 11, a second thread 14 is formed in the outer wall of the rear end of a second wheel shaft 12, a first wheel 9 corresponds to a second wheel 6 after a first frame 2 and a second frame 4 are folded by rotating a folding locking device body 3, the rear end of the first wheel shaft 11 is in contact with the rear end of the second wheel shaft 12, and the first thread 10 is consistent with the second thread 14. The threaded sleeve 13 is installed at the rear end of the second wheel shaft 12 in a threaded mode, the threaded sleeve 13 is rotated to the butt joint of the first wheel shaft 11 and the second wheel shaft 12, the threaded sleeve 13 is installed at the butt joint of the rear end of the first wheel shaft 11 and the rear end of the second wheel shaft 12 in a threaded mode, one half of the threaded sleeve 13 is located on the first wheel shaft 11, the other half of the threaded sleeve 13 is located on the second wheel shaft 12, the first threads 10 and the second threads 14 are respectively matched with pipe threads formed in the inner wall of the threaded sleeve 13, under the positioning of the threaded sleeve 13, the first wheel shaft 11 and the second wheel shaft 12 are kept in butt joint stability, and therefore the folded bicycle is kept stable.

The working principle is as follows: after the first frame 2 is folded with the second frame 4 by rotating the folding and locking device body 3, the rear end of the first wheel shaft 11 is contacted with the rear end of the second wheel shaft 12, the threaded sleeve 13 is rotated to the butt joint of the first wheel shaft 11 and the second wheel shaft 12, half of the threaded sleeve 13 is positioned on the first wheel shaft 11, the other half of the threaded sleeve 13 is positioned on the second wheel shaft 12, and under the positioning of the threaded sleeve 13, the first wheel shaft 11 and the second wheel shaft 12 are kept in butt joint stably.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An outdoor bicycle that can fold, includes first frame (2), second frame (4), second wheel (6) and first wheel (9), its characterized in that: the first frame (2) is connected with the second frame (4) through a rotating folding locking device body (3), a first wheel shaft (11) is fixed in the middle of the first wheel (9), the first wheel (9) is rotatably connected with the bottom end of the first frame (2) through the first wheel shaft (11), a first thread (10) is arranged on the outer wall of the rear end of the first wheel shaft (11), a second wheel shaft (12) is fixed in the middle of the second wheel (6), the second wheel (6) is rotatably connected with one end of the bottom of the second frame (4) through a second wheel shaft (12), the outer wall of the rear end of the second wheel shaft (12) is provided with a second thread (14), the rear end of the first wheel shaft (11) is in contact with the rear end of the second wheel shaft (12), and a threaded sleeve (13) is arranged at the butt joint of the rear end of the first wheel shaft (11) and the rear end of the second wheel shaft (12) in a threaded mode.

2. A foldable outdoor bicycle according to claim 1, characterized in that: a handlebar (1) is fixed to the top end of one side of the first frame (2), and an anti-slip sleeve is sleeved on the handlebar (1).

3. A foldable outdoor bicycle according to claim 1, characterized in that: cushion (5) are installed on the top of second frame (4) one side, and cushion (5) bottom mounting's connecting rod passes second frame (4), and the connecting rod of cushion (5) bottom passes through locking device and is fixed with second frame (4).

4. A foldable outdoor bicycle according to claim 1, characterized in that: the other end of the bottom of the second frame (4) is rotatably provided with a chain wheel (8), and the chain wheel (8) is in transmission connection with a flywheel fixed on a second wheel (6) through a chain (7).

5. A foldable outdoor bicycle according to claim 1, characterized in that: the first thread (10) coincides with the second thread (14).

6. A foldable outdoor bicycle according to claim 1, characterized in that: the first thread (10) and the second thread (14) are respectively matched with pipe threads arranged on the inner wall of the threaded sleeve (13).

7. A foldable outdoor bicycle according to claim 1, characterized in that: half of the threaded sleeve (13) is positioned on the first wheel axle (11), and the other half of the threaded sleeve (13) is positioned on the second wheel axle (12).