KR20120059767A

KR20120059767A - One Touch Foldable Bicycle

Info

Publication number: KR20120059767A
Application number: KR1020100121189A
Authority: KR
Inventors: 김용겸
Original assignee: 김용겸
Priority date: 2010-12-01
Filing date: 2010-12-01
Publication date: 2012-06-11

Abstract

PURPOSE: A one touch foldable bicycle is provided to facilitate storage and movement by folding a handle and the lower part of a head tube. CONSTITUTION: A one touch foldable bicycle(10) comprises a head part(100), a top tube(200), and a rear part(300). The head part comprises a head tube(110), a front wheel(120), a handle stem(130), a handle(140), and brake handles(150). The front wheel is arranged in the lower part of the head tube. The handle stem is rotatably arranged in the upper part of the head tube. One end of a top tube is connected and fixed to the head tube. A rear part is connected and fixed to the other end of the top tube. The rear part comprises a saddle portion(310), pedals(320), cranks(340), a large sprocket(350), a small sprocket(380), and a luggage carrier.

Description

One Touch Foldable Bicycle

The present invention relates to a one-touch folding bike configured to facilitate the user to fold and move the bicycle by the one-touch method.

The dictionary definition of a bicycle is a mechanism that collectively refers to a two-wheeled vehicle that rotates wheels by human force. Such bicycles are widely used because they are composed of various structures depending on the intended use.

In general, the bicycle is one of the means of transportation to move the road more conveniently and quickly has been recently used for exercise or hobbies for the purpose of health. That is, bicycles are released in various forms, such as for mountain, driving, and stunts.

And one of the most realistic and obvious alternatives to the serious environmental pollution and high oil prices in the city is to use public transport instead of private cars. However, due to the nature of public transport, there is a limited route to get on and off. There is this. Therefore, it is not easy to give up a car and choose public transportation because you have to transfer more than once or get off at a distance far from the destination. Current bicycles are used mainly for sports or hobbies rather than for ease of movement on the road.If you want to enjoy cycling for sports or hobbies, many people move to a large area rather than in a crowded residential space. It's a way to enjoy cycling together. In accordance with the trend of the bicycle users have been released folding bicycles that can be stored and transported in the trunk of the vehicle, the folding bicycle is mainly transported through the trunk of the vehicle after the tube in the middle to be folded in one direction However, in this case, there has been a problem that the transportation is not easy due to the rotation of the handle in the folded state. In particular, as the number of high-rise buildings such as apartments increases, the place of storing bicycles in the house is the placenta. Accordingly, many elevators are used, and when moving, there is a need to carry the bicycle folded. In addition, in the case of the train must fold the bicycle into the station, the conventional folding bicycle takes at least 10 seconds of folding time. Thus, there is a growing need to spend less time folding the bicycle. In addition, when folded, the smaller the volume, the better, the smaller the volume can be easily moved, and minimize the damage of other passengers. Therefore, it is urgent to develop a folding bicycle that has a short folding time and a minimum volume when folded.

In order to solve the above problems, an object of the present invention is to provide a folding bicycle that can be easily folded in one touch by configuring the structure of the top tube of the bicycle to be foldable.

In addition, an object of the present invention is to provide a folding bike that is easy to store and move by constructing a structure that can fold the structure of the handle and a structure that can fold the lower portion of the head tube.

In order to achieve the above object, the present invention includes a head tube, a front wheel provided in the lower portion of the head tube and a head portion consisting of a handle stem, a handle and a brake knob provided to be rotatable on the top of the head tube; A top tube having one end fixed to the head tube; And connected to the other end of the top tube, the saddle portion, the pedal is connected to the saddle post provided in the lower portion of the saddle, the drive force generating portion consisting of a crank, a rotating shaft and a large sprocket, connected by the large sprocket and the chain It comprises a rear portion consisting of a small sprocket of the rotating rear wheel and the carrier provided on the rear of the saddle, wherein the top tube has a first segment one end is fixed to the head portion; A second segment body hinged by a first hinge portion so that one end is rotatable in a right direction with the other end of the first segment body; And a third segment, one end of which is hinged by a second hinge portion such that the other end of the second segment is rotatable up and down, and the other end is connected to and fixed to the saddle post of the rear portion. When the other end of the second segment and the end of the third segment is folded while rotating, the head portion fixed to one end of the first segment by the first hinge is configured to be folded when rotated to the right do.

In addition, the present invention is one end of the rod having a hinge coupling by the other end of the first segment and the rod end bearing; And a support case provided outside the third segment and the rotating shaft to hinge the other end of the rod by a rod end bearing.

In addition, a portion of the circumference of the second segment of the present invention is characterized in that the handle is further provided to facilitate the movement.

In addition, the present invention is a front wheel magnet provided in the front wheel hub; And a rear wheel magnet provided at the rear wheel hub of the rear part to maintain the superimposed state when the front wheel is superimposed with the rear wheel by rotating the head unit.

In addition, the present invention is characterized in that each of the left handle and the right handle provided in the upper portion of the head tube in the head portion is provided to be folded by hinged handle stem.

The effects produced by the practice of the present invention by the above-described configuration are as follows.

By carrying out the present invention, the structure of the top tube of the bicycle can be configured to be foldable to provide a folding bicycle that can be easily folded in one touch.

In addition, the structure of the handle and the structure of the lower portion of the head tube can be folded in the practice of the present invention can provide a folding bicycle easy to store and move.

1 is a perspective view of a first preferred embodiment of the present invention;
2 is a partially exploded perspective view of a top tube according to a first embodiment of the present invention;
3 is a partially exploded perspective view of a head and a top tube according to a first embodiment of the present invention;
4 to 11 is an operation diagram according to a first preferred embodiment of the present invention,
12 is a side view of a second preferred embodiment of the present invention;
13 is a front view and a partially enlarged view of a folded one-touch folding bicycle according to a second preferred embodiment of the present invention as viewed from the front,
14 to 16 is an operation and use of the third preferred embodiment of the present invention,
17 to 19 are operation and use state diagrams of a fourth preferred embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the accompanying drawings.

1 is a perspective view of a first preferred embodiment of the present invention, Figure 2 is a partially exploded perspective view of a top tube according to a first preferred embodiment of the present invention, Figure 3 is a head and a top according to the first preferred embodiment of the present invention 4 is a partial exploded perspective view of the tube, and FIGS. 4 to 11 are operational views according to the first preferred embodiment of the present invention.

One-touch folding bicycle 10 of the present invention was developed to simplify storage and movement, specifically, the front wheel 120 and the head tube 110 provided in the lower portion of the head tube 110, the head tube 110. A head portion 100 configured to include a handle stem 130, a handle 140, and a brake handle 150 provided to be rotatable at an upper portion thereof; A top tube 200 having one end fixed to the head tube; And fixed to the other end of the top tube 200, the saddle 310, the pedal 320 is connected to the saddle post 312 provided at the bottom of the saddle 310, the crank 340, the rotating shaft 342 and the large sprocket 350, the small sprocket 380 of the rear wheel 370 is connected by the large sprocket 350 and the chain 360 and rotated behind the saddle 310 In the configuration of the bicycle including a rear portion 300 consisting of 390, the first segment (1) that one end 222 is fixed to the head portion 100 to the configuration of the top tube 200 ( 220); A second segment 240 having one end 242 hinged to the other end 224 of the first segment 220 by a first hinge portion 230 to rotate in a right direction; And one end 262 is hinged by the second hinge part 250 so that the other end 244 of the second segment 240 is rotatable up and down, and the other end 264 is connected to the rear part 300. When the third segment 260 is fixed, the other end 244 of the second segment and the one end 262 of the third segment is folded while being rotated by the second hinge part 250. The first hinge portion 230 is configured to be folded when the head portion 100 fixed to the first segment 222 is rotated to the right. That is, the structural feature of the present invention consists of the top tube 200 consisting of three first segment 220, the second segment 240 and the third segment 260, each of which is in contact with The first hinge 230 and the second hinge 250 are configured so that the head part 100 rotates to the right and is folded while facing the rear part 310, and the top tube 200 and the rear part 300 are also folded. It is to be folded together vertically. Hereinafter will be described focusing on the features of the configuration of the present invention except for the general function and structure of known bicycles.

As shown in the embodiment of Figures 2 and 3 attached to the first segment 220, one end of the first segment 222 is preferably fixed to the head tube 110 of the head portion 100, The other end 224 of the one segment is hinged to be rotatable by one end 242 and the first hinge portion 230 of the second segment. Through this coupling, the first convex body 220 and the head part 100 may rotate while rotating in the right direction (here, the right direction means the right side of the head part 100) as shown in FIG. 8. . In addition, the second segment 240 has the first embodiment so that the first segment 242 of the second segment 240 is rotatable to the right with the other end 224 of the first segment as described above. The hinge portion 230 is hinged and the other end of the second segment 244 is configured to be hinged to be rotatable up and down with the third segment one end 262 by the second hinge 250 It is preferable to carry out.

In addition, according to the embodiment of the present invention, as shown in FIG. 3, the locking release button 600 is configured on one side of the second segment body 240, and in the usual case, the first segment body 220 and the second segment body ( It is preferable to configure and implement to restrain the rotation of the first hinge portion 230 provided between the 240. At this time, the shape of one end of the second segment 242 is configured as an 'L (L)' shape as shown in FIGS. 2 and 3, but the other end of the first segment 224 is formed as shown in FIG. 3. Through the configuration corresponding to the shape of the two-segment one end 222, it is preferable to configure so that the first end of the second segment 224 and the second end of the second segment 242 as shown in FIG.

In this configuration, the lock release button 600 is provided at one side of the second segment 240 to restrain the outer side of the other end 224 of the first segment 224, and the lock is released when the bicycle is used on a daily basis. The first hinge portion 230 provided between the first segment 220 and the second segment 240 to restrain the other end 620 of the button from surrounding the other end 224 of the first segment. ) Is constrained so that it cannot be rotated to the right. In addition, when the lock release button 610 is pressed by hand, the lock (restraint) is released while the other end of the lock release button 620 is heard about the rotation shaft 630.

As shown in FIGS. 2 and 3, the third segment has a third segment one end 262 which is hinged by the second hinge part 250 so that the other end 244 of the second segment is rotatable up and down. The third segment 264 is preferably configured to have a structure in which the third segment 264 is connected to the saddle post 312 of the rear part 300. In this case, when the second end of the second segment 244 and the first end of the third segment 262 are folded while being rotated by the second hinge part 250, the first hinge part 230 may be used as the first hinge part 230. One end of the segment 222 can be folded while rotating to the right.

In addition, in the implementation of the present invention, as shown in the configuration of Figure 2, one end 410 in the above-described configuration is hinged by the lower end of the first segment 224 and the rod end bearing 412 The support case 500 is provided outside the rod 400, the third segment 260, and the rotation shaft 342 to hinge the other end 420 of the rod and the rod end bearing 422. It can be carried out including more.

That is, the bicycle is rotated through the rotation of the first hinge portion 230 and the second hinge portion 250 connecting each of the first segment body 220, the second segment body 240, and the third segment body 260. Although it can be folded, it can be configured to fold the bike more easily and safely through the configuration of adding the rod 400 and the support case 500 for more smooth operation.

At this time, each of the both ends (410, 420) of the rod of the present invention as shown in Figure 3 attached to the rod end bearings (412, 422) so that each end can be free rotation to the first minute It is possible to stably rotate the rotational movement of the first hinge portion 230 and the second hinge portion 250 connecting between the cut 220, the second segment 240 and the third segment 260, respectively. . The configuration of the rod end bearings 412 and 422 consists of the bearing cases 414 and 424 and the bearing balls 416 and 426 located therein, which are already known in the art, and thus detailed description thereof will be omitted.

In addition, in the practice of the present invention, as shown in FIG. It is preferable to further implement 245).

At this time, the handle can be configured in various forms. Preferably, both ends are bent and fixed around the second segment 240 as shown in FIG. It is desirable to configure in a form that can be.

Hereinafter, the operation principle of the present invention, the one-touch folding bike 10 by the above-described configuration for the embodiment of Figure 4 to 11 will be described. First, as shown in FIGS. 4 and 5, one end 610 of the lock release button 600 provided around the second segment body 240 is pressed with a finger. Then, as the rotary shaft 630 of the lock release button 600 rotates, the other end 620 of the lock release button is lifted up and the restrained state of the other end 230 of the first segment 230 and one end 242 of the second segment is released. . And when the other end of the second segment 244 is directed upward and one end of the third segment 262 is lowered to be in the state as shown in FIG. In this case, as shown in FIGS. 8 and 9, when the head part 100 and the first segment body 224 are turned to the right, the rod end 410 and the rod other end 420 rotate together as shown in FIG. 9. do. At the same time, as shown in FIGS. 10 and 11, the head part 100 and the first segment body 220, the second segment body 240, the third segment body 260, and the rear portion 300 are rotated. The head part 100 including the switch 220 is bent to the side of the rear part 300 as shown in FIG. 12.

12 is a side view of a second preferred embodiment of the present invention, and FIG. 13 is a front view and a partially enlarged view of the folded bicycle according to the second preferred embodiment of the present invention.

12 and 13, the left side of the front wheel hub 125 provided in the front wheel 120 of the head portion 100 of the present invention includes a front wheel magnet 126 that is a permanent magnet. When the head part 100 and the first segment body 220 are rotated to the right and the front wheel 120 and the rear wheel 3720 are stacked, the rear wheel of the rear part 300 is maintained in order to maintain such a folded state. The rear wheel hub 372 provided at 370 may further include a rear wheel magnet 374 that is a permanent magnet. Through this configuration, the left and rear wheel hubs 372 of the front wheel hub 125 of the bicycle folded as shown in FIG. 12 are in contact with each other, but the front wheel magnet 126 and the rear wheel magnet 374, which are permanent magnets, adhere to each other. Both hubs 125 and 372 may not be separated from each other during transportation and storage. In this case, it should be noted that the polarities of the front wheel magnet 126 and the rear wheel magnet 374 which are in contact with each other should be different from each other.

14 to 16 are operation and use state diagram of the third preferred embodiment of the present invention, Figures 17 to 19 are operation and use state diagram of the fourth preferred embodiment of the present invention.

In the embodiment of Fig. 14 shows that the folded one-touch folding bicycle 10 of the present invention can be used as a kind of support provided in the rear portion 300. In the embodiment of Fig. 15, the saddle post ( It has been shown that by reducing the length of 312 can further reduce the volume to the size of the folded one-touch folding bike 10. And the embodiment of Figure 17 can rotate a portion of the head tube 110 using a QR lever. It is illustrated to reduce the size of the folded bicycle to a smaller size, and the embodiment of Fig. 18 also allows the handle of the head portion 100 to be folded by using the QR lever to see the size of the folded bicycle. As illustrated in FIG. 19, the user may use the handle provided at one side of the second segment 240 to allow the user to reduce the size. The use of such a QR lever is already known, and the detailed description thereof is omitted, however, the overall shape of the bicycle attached to the present specification can be freely deformed and thus various shapes. It will be appreciated that the configuration features of the present invention can be applied to a bicycle having.

10; One touch folding bike
100; head
110; Head tube
120; Front wheel
125; Front wheel hub 126; Front wheel magnet
130; Handle stem
140; handle
142; Left handle 144; Right handle
150; Brake handle
200; Top tube
220; First segment
222; First segment 224; The other end of the first segment
230; First hinge part
240; Second segment
242; Second segmental body 244; The other end of the second segment
245; handle
250; Second hinge part
260; Third segment
262; Third segment 264; The other end of the third segment
300; Rear
310; Saddle
312; Saddle Post
320; pedal
340; crank
342; Axis of rotation
350; Large sprocket
360; chain
370; Rear wheel
372; Rear wheel hub 374; Rear wheel magnet
380; Small sprocket
390; Carrier
400; road
410; Once loaded
412; Rod bearing 414; Bearing case
416; Bearing ball
500; Support case
600; Unlock button
610; Unlock button once
620; Other end of lock release button
630; Axis of rotation

Claims

A head portion comprising a head tube, a front wheel provided at a lower portion of the head tube, and a handle stem, a handle, and a brake knob provided to be rotatable on an upper portion of the head tube;
A top tube having one end fixed to the head tube; And
Fixed and connected to the other end of the top tube, the saddle, the pedal is connected to the saddle post provided on the lower end of the saddle, the crank, the rotating shaft and the large sprocket, the small sprocket of the rear wheel is connected by the large sprocket and the chain and A rear part composed of a carrier provided at the rear of the saddle part;
Consists of including
The top tube is
A first segment body having one end fixed to the head unit;
A second segment body hinged by a first hinge portion so that one end is rotatable in a right direction with the other end of the first segment body; And
A third segment whose one end is hinged by a second hinge portion so that the other end of the second segment is rotatable up and down and the other end is connected and fixed to the rear portion;
Consist of
When the other end of the second segment and one end of the third segment is folded while being rotated by the second hinge portion,
The one-touch folding bike, characterized in that configured to be folded when the head portion is fixed to one end of the first segment by the first hinge portion rotates to the right.

The method of claim 1,
A rod having one end hinged by a rod end bearing with a lower end of the other segment; And
A support case provided outside the third segment and the rotating shaft to hinge the other end of the rod by a rod end bearing;
One-touch folding bike, characterized in that further comprises a.

3. The method according to claim 1 or 2,
One-touch folding bike, characterized in that the handle is further provided on the part of the circumference of the second segment body to facilitate the movement.

3. The method according to claim 1 or 2,
A front wheel magnet provided at the front wheel hub of the head part;
A rear wheel magnet provided at the rear wheel hub of the rear part to maintain the superimposed state when the front wheel is superimposed with the rear wheel by rotating the head part;
One-touch folding bike, characterized in that further comprises a.

3. The method according to claim 1 or 2,
In the head portion,
The left handle and the right handle provided on the upper portion of the head tube, each one-touch folding bike, characterized in that the hinge is coupled to the handle stem is provided to be folded.