CN102717855B - A bicycle that converts into a unicycle - Google Patents

Abstract

The invention provides a bicycle capable of being converted into a single-wheel vehicle, wherein the front end of a frame is connected with the outer wall of a head tube through a detachable structure, the top end of the head tube is connected with a handle through a detachable structure, the handle is provided with a brake connected with an upper brake wire, the upper brake wire and a lower brake wire are connected with each other through a combination structure, the top end of the middle section part of the frame is connected with a seat cushion rod through a detachable structure, the bottom end of the middle section part of the frame is provided with a transmission mechanism, and the transmission mechanism is provided with two detachable pedals, so that a user can convert the bicycle into the single-wheel vehicle through simple operation.

Description

A bicycle that converts into a unicycle

technical field

The invention relates to a bicycle, in particular to a bicycle which can be transformed into a unicycle with simple operation.

Background technique

Bicycles are currently a means of transportation frequently used by humans. They can be classified into city bikes, lady bikes, off-road bikes, and mountain bikes due to different terrains. However, all kinds of bicycles are designed to be lighter and ride faster. The main goal is to be faster and more suitable for the terrain, without considering the changes in the way the bicycle itself is used. In short, no matter how the bicycle changes, it will not lose its use as a means of transportation. The lack of variability in use cannot meet the needs of consumers. , There are actually unemployed people to develop.

Contents of the invention

The object of the present invention is to provide a bicycle that can be transformed into a unicycle. By designing a detachable structure and a combination structure, the user can transform the bicycle into a unicycle through simple operations.

To achieve the above object, the present invention provides a bicycle that can be transformed into a unicycle, including a vehicle frame, a head pipe, a handle, a pad bar and two pedals, wherein the vehicle frame is provided with a rear wheel , a lower seat post and a transmission mechanism, the transmission mechanism is provided with the two pedals; the top of the head tube of the car is provided with a lower steering tube, and the bottom end is provided with a front fork, and a front wheel is installed on the front fork, and the front wheel has A wheel axle, the outer tube wall of the head tube is connected to the front end of the vehicle frame through a first detachable structure; the handle has an upper steering tube and a brake, and the bottom end of the upper steering tube is connected through a second detachable structure The structure is connected with the top end of the lower steering tube, the brake is connected with an upper brake line, and the upper brake line and the lower brake line are connected to each other through a joint structure; the seat post has an upper seat post, and the bottom end of the upper seat post passes through A third detachable structure is connected with the top end of the lower seatpost; the axle of the front wheel can be equipped with the two pedals.

Wherein, the two pedals are detachably installed on the axle of the front wheel.

Wherein, a brake line frame is installed on the front fork of the head tube of the vehicle, and the brake line frame is connected with the lower brake line.

Wherein, the joint structure between the upper brake line and the lower brake line has a first joint and a second joint; the first joint is formed with external threads, and the lower brake line is fixedly connected to the first joint The second coupling part is connected with a connecting part, the second coupling part and the connecting part can rotate with each other, the second coupling part is formed with an internal thread combined with the external thread of the first coupling part, and the upper brake line is affixed to the connecting part.

Wherein, a lower connecting column protrudes from the first connecting piece, and the lower connecting column is provided with a first through hole. The part that does not penetrate the first through hole is buckled together with the part that passes through the first through hole; the second combination is pierced with a receiving hole and a through hole connected to the receiving hole, and the receiving hole forms There is the internal thread, the connecting piece is a sphere and an upper connecting column protrudes from the sphere, and the upper connecting column protrudes from the through hole of the second coupling piece and is provided with a second through hole. The connecting piece is located on the second connecting piece. In the accommodating hole of the combination piece, the upper brake wire is passed through the second through hole of the upper connecting column, and a second buckle is used to connect the part of the upper brake wire that does not pass through the second through hole and the part that passes through the second through hole. The sections are looped together.

Among them, the first detachable structure between the head tube and the frame, the second detachable structure between the lower steering tube and the upper steering tube, and the third detachable structure between the lower seat post and the upper seat post The detachable structures are the same structure, the first, second and third detachable structures respectively have a first engaging part and a second engaging part; the outer surfaces of each first engaging part are respectively connected to the head pipe The outer tube wall of the outer pipe wall, the top of the lower steering tube or the top of the lower seat post, the first engaging part is provided with a groove, and the groove surface of the groove is provided with a buckle groove; the outer part of each second engaging part The sides are respectively connected to the front end of the vehicle frame, the bottom end of the upper steering tube or the bottom end of the upper seat post. A retractable locking tongue is provided on the inner side of the second engaging part, and the second engaging part is inserted into the first engaging part. and the lock tongue of the second engaging member is fastened into the buckle groove of the first engaging member.

In the bicycle that can be transformed into a unicycle, a configuration portion protrudes from the outer surface of the second engaging member, and a chamber is formed inside the configuration portion, and the lock bolt and a spring are arranged in the chamber. The two engaging parts are pierced with a first guide hole and a second guide hole communicating with the chamber, and an operation key is fixed on the lock bolt through the first guide hole with its first guide rod, A braking key passes through the second guide hole with its second guide rod, and the braking key abuts against the operation key.

Wherein, the two pedals respectively have a crank, and one end of the crank is provided with a quick-release structure, and the pedals can be detachably mounted on the transmission mechanism or the axle of the front wheel by utilizing the quick-release structure.

Compared with the prior art, the bicycle that can be converted into a unicycle provided by the present invention can obtain advantages and efficiency improvements at least including: when the bicycle is to be converted into a unicycle, the second coupling part is detached from the The first connecting part separates the upper and lower brake lines, the second engaging part at the front end of the frame is detached from the first engaging part on the outer tube wall of the head tube, and the upper steering tube and the second engaging part at the bottom of the upper seatpost Detach the engaging piece from the lower steering tube and the first engaging piece at the top of the lower seatpost, and combine the second engaging piece at the bottom of the upper seatpost with the first engaging piece at the top of the lower steering tube, and then connect the two pedals from After the transmission mechanism is disassembled, it is respectively installed on both ends of the front wheel axle by using the provided quick release structure, thereby providing the user with a simple operation to convert the bicycle into a unicycle.

Description of drawings

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Fig. 1 is a side view of a bicycle convertible into a unicycle according to the present invention.

Fig. 2 is a front view of the front wheel shown in Fig. 1 .

Fig. 3 is a perspective view of the pedal shown in Fig. 1 .

Fig. 4 is a partially exploded view of the pedal shown in Fig. 3 .

Fig. 5 is an exploded view of the detachable structure shown in Fig. 1 .

FIG. 6 is a side sectional view of the detachable structure shown in FIG. 1 .

7 and 8 are top views of the detachable structure shown in FIG. 1 .

FIG. 9 is an exploded view of the combination structure shown in FIG. 1 .

Fig. 10 is a side view of the bicycle shown in Fig. 1 transformed into a unicycle.

[Description of main component symbols]

10 frame 11 rear wheel

12 Lower seat post 13 Transmission mechanism

20 car head pipe 21 lower steering pipe

22 front fork 23 front wheel

231 axle 24 brake line frame

30 handle 31 upper steering tube

32 Brake 33 Upper brake line

34 lower brake lines 40 seat post

41 Upper Seatpost 42 Seat Cushion

50 pedals 51 crank

52 pedal part 53 quick release structure

531 buckle hole 532 clip

533 perforation 534 buckle handle

535 fixed shaft 60 first detachable structure

60A second detachable structure 60B third detachable structure

61 First engaging piece 611 Groove

612 buckle slot 62 second engaging piece

621 Configuration Department 622 Containment Room

623 deadbolt 624 spring

625 first guide hole 626 second guide hole

627 Operation key 6271 First guide rod

628 brake key 6281 second guide rod

70 combination structure 71 first combination

711 external thread 712 lower connecting column

713 The first through hole 714 The first buckle

72 Second combination piece 721 Accommodating hole

722 internal thread 723 through hole

73 connector 731 sphere

732 upper connecting column 733 second through hole

734 second buckle

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, the present invention provides

Please refer to shown in Fig. 1, the bicycle of the present invention that can be transformed into a unicycle includes a vehicle frame 10, a head pipe 20, a handle 30, a spacer bar 40 and two pedals 50, wherein:

The rear end of the vehicle frame 10 is equipped with a rear wheel 11, the top of the middle part of the vehicle frame 10 is provided with a seatpost 12, and the bottom of the middle part of the vehicle frame 10 is provided with a transmission mechanism 13;

The top of the head pipe 20 of the car is provided with a steering pipe 21, and the bottom end is provided with a front fork 22. A front wheel 23 and a brake line frame 24 are installed on the front fork 22. The outer pipe wall of the head pipe 20 of the car passes through a first A detachable structure 60 is connected to the front end of the vehicle frame 10, as shown in Figure 2, the front wheel 23 has a wheel shaft 231, the front fork 22 is pivotally arranged on the wheel shaft 231, and the wheel shaft 231 can be additionally equipped with pedals;

1, the handle 30 has an upper steering tube 31 and a brake 32, the bottom end of the upper steering tube 31 is connected to the top of the lower steering tube 21 through a second detachable structure 60A, the brake 32 is connected to an upper brake line 33, the upper brake line 33 and the lower brake line 34 are connected to each other through a joint structure 70, and the aforementioned brake line frame 24 is connected to the lower brake line 34;

The seat post 40 has an upper seat post 41, the top end of the upper seat post 41 is provided with a pad 42, and the bottom end of the upper seat post 41 is connected to the top end of the lower seat post 12 through a third detachable structure 60B;

Please refer to Fig. 3 and Fig. 4, the two pedals 50 respectively have a crank 51, a pedal part 52 and a quick release structure 53, the quick release structure 53 is provided with a buckle hole 531 on the crank 51 and Two clips 532 are formed, the buckle hole 531 is a non-circular hole, and the two clips 532 are respectively provided with a corresponding perforation 533, and a buckle handle 534 is positioned on the two sides with a fixed shaft 535 pivoted at one end. In the perforation 533 of the clip 532, the pedal 50 is detachably installed on the transmission mechanism 13 by using the quick release structure 53;

1 and 5, the first detachable structure 60 between the head pipe 20 and the frame 10, the second detachable structure 60A between the head pipe 20 and the handle 30, and the frame 10 and the seat The third detachable structure 60B between the spacers 40 is the same structure, and the detachable structures 60, 60A, 60B respectively have a first engaging member 61 and a second engaging member 62; the detachable structures 60, 60A , 60B, the outer surfaces of the first engaging parts 61 are respectively connected to the outer tube wall of the head tube 20, the top of the lower steering tube 21 or the top of the lower seatpost 12, and the first engaging part 61 is provided with a concave Groove 611, the groove surface of groove 611 is concavely provided with a buckle groove 612;

The outer surfaces of the second engaging parts 62 of the detachable structures 60, 60A, 60B are respectively connected to the front end of the vehicle frame 10, the bottom end of the upper steering tube 31 or the bottom end of the upper seat post 41, please refer to FIG. 6 and As shown in FIG. 7 , a disposing portion 621 protrudes from the outer surface of the second engaging member 62 , and a chamber 622 is formed inside the disposing portion 621 , and a locking tongue 623 and a spring 624 are arranged in the chamber 622 , and the spring 624 The elastic force makes one end of the lock tongue 623 protrude from the inner surface of the second engaging member 62, and one end surface of the second engaging member 62 is pierced with a first guide hole 625 and a second guide hole communicating with the chamber 622 626, an operation key 627 passes through the first guide hole 625 with its first guide rod 6271 and is fixedly connected to the dead bolt 623, and a brake key 628 passes through the second guide rod 6281 with its provided second guide rod 626. Two guide holes 626, the brake key 628 is against the movement path of the operation key 627;

Please refer to FIG. 8, the second engaging piece 62 is inserted into the groove 611 of the first engaging piece 61 to assemble each other, so that the lock tongue 623 of the second engaging piece 62 is engaged with the first engaging piece. In the buckle groove 612 of the part 61, further push the brake key 628 to make the second guide rod 6281 move to the second guide hole 626, then the operation key 627 and the lock tongue 623 can be locked and the movement can be restricted; if you want to separate the first engaging part 61 and the second engaging member 62, push the brake key 628 to move the second guide rod 6281 to the first guide hole 625 to release the lock between the operation key 627 and the dead bolt 623, and then push the operation key 627 To drive the lock tongue 623 to disengage from the buckle groove 612 of the first engaging member 61, and then the second engaging member 62 can be removed from the groove 611 of the first engaging member 61;

1 and 9, the joint structure 70 between the upper brake line 33 and the lower brake line 34 has a first joint 71 and a second joint 72; the first joint 71 is formed with external threads 711, a lower connecting column 712 protrudes from the bottom surface of the first coupling member 71, and the lower connecting column 712 is connected with the lower braking line 34. A specific embodiment thereof is that the lower connecting column 712 is provided with a first through hole 713, and the lower connecting column 712 is provided with a first through hole 713 for braking The wire 34 passes through the first through hole 713, and a first buckle 714 is used to fasten the part of the lower brake wire 34 that does not penetrate the first through hole 713 and the part that passes through the first through hole 713 together;

The bottom surface of the second connecting part 72 is concavely formed with a receiving hole 721, and the receiving hole 721 is formed with an internal thread 722. The top surface of the second connecting part 72 is pierced with a through hole 723 communicating with the receiving hole 721. The second connecting piece 72 is connected with a connecting piece 73, the connecting piece 73 is a sphere 731 and an upper connecting column 732 protrudes from the sphere 731, and the upper connecting column 732 protrudes out of the through hole 723 of the second connecting piece 72. A second through hole 733 is provided, and the connecting piece 73 is located in the accommodating hole 721 of the second connecting piece 72. The connecting piece 73 and the second connecting piece 72 can rotate mutually. The through hole 733 is penetrated, and a second buckle 734 is used to buckle the part of the upper brake line 33 that does not penetrate the second through hole 733 and the part that passes through the second through hole 733; operate the first coupling member 71 and When the second coupling parts 72 are assembled with each other, the internal thread 722 of the second coupling part 72 is combined with the external thread 711 of the first coupling part 71 .

Please refer to FIG. 10 , when the bicycle of the present invention is converted into a unicycle in actual operation, the second coupling part 72 is detached from the first coupling part 71, so that the upper and lower brake lines 33, 34 are separated, and the The second engaging part 62 at the front end of the frame 10 is detached from the first engaging part 61 on the outer tube wall of the head tube 20, and the upper steering tube 31 and the second engaging part 62 at the bottom of the upper seat post 41 are detached from the lower end. Steering tube 21, the first engaging piece 61 at the top of the lower seatpost 12, and the second engaging piece 62 at the bottom of the upper seatpost 41 is combined with the first engaging piece 61 at the top of the lower steering tube 21, and then the two pedals 50 After being disassembled from the transmission mechanism 13, the quick release structure 53 is installed on the two ends of the axle 231 of the front wheel 23 (as shown in Figure 2 ), thereby providing the user with a simple operation to convert the bicycle into a single bicycle. wheeler.

The present invention has been described above in conjunction with various embodiments, but the present invention is not limited to the above disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (6)

1. can be transformed into a bicycle for single wheel cycle, include a vehicle frame, a vehicle head tube, leader, a seat pillar and two pedals, it is characterized in that:

This vehicle frame is provided with a trailing wheel, bar and a transmission device, is provided with this two pedal on this transmission device;

This vehicle head tube top is provided with steering tube, and bottom is provided with a front fork, and a front-wheel is installed on this front fork, and this front-wheel has a wheel shaft, and the outer tube wall of this vehicle head tube is connected with the front end of this vehicle frame by one first demountable structure;

This handle has steering tube and a brake on one, and on this, the bottom of steering tube is connected with the top of lower steering tube by one second demountable structure, and this brake is connected with brake wire on, on this brake wire and once brake wire by an integrated structure, interconnect; This integrated structure has one first conjunction and one second conjunction; This first conjunction is formed with outside thread and projection has joint pin, this lower joint pin is provided with one first perforation, this lower brake wire penetrates from this first perforation, and the part of utilizing one first clasp lower brake wire not to be penetrated to the first perforation is buckled together with the circle segment that passes the first perforation; This second conjunction is connected with a connection piece, and this second conjunction and this attaching parts can rotate mutually; This second conjunction is equipped with an accommodating hole and is communicated in a through hole of this accommodating hole, this accommodating hole is formed with negative thread and is incorporated into the outside thread of the first conjunction, this attaching parts is that a spheroid and this spheroid projection have joint pin on, on this, joint pin stretches out the through hole of this second conjunction and is provided with one second perforation, this attaching parts is arranged in the accommodating hole of the second conjunction, upper brake wire penetrates from the second perforation of upper joint pin, and the part of utilizing one second clasp upper brake wire not to be penetrated to the second perforation is buckled together with the circle segment that passes the second perforation;

This seat pillar has a seat of honour bar, and the bottom of this seat of honour bar is connected with the top of a lower bar by one the 3rd demountable structure;

The wheel shaft of this front-wheel can be equiped with this two pedal.

2. the bicycle that can be transformed into single wheel cycle as claimed in claim 1, is characterized in that: this two pedal is removably installed on the wheel shaft of this front-wheel.

3. the bicycle that can be transformed into single wheel cycle as claimed in claim 1, is characterized in that: a brake coil holder is installed on the front fork of this vehicle head tube, and this brake coil holder is connected with this lower brake wire.

4. the bicycle that can be transformed into single wheel cycle as claimed in claim 1, is characterized in that:

The first demountable structure between this vehicle head tube and this vehicle frame, this lower steering tube and on this 3rd demountable structure between the second demountable structure between steering tube and this lower bar and this seat of honour bar be same structure, this first, second and the 3rd demountable structure there is respectively one first engagement piece and one second engagement piece;

The lateral surface of each the first engagement piece is connected to the top of the outer tube wall of vehicle head tube, lower steering tube or the top of a lower bar, is concaved with a groove in the first engagement piece, is concaved with a catching groove in the groove face of this groove;

The lateral surface of each the second engagement piece is connected to the bottom of the front end of vehicle frame, upper steering tube or the bottom of seat of honour bar, the medial surface of the second engagement piece is provided with a telescopic dead bolt, this second engagement piece inserts in the groove of the first engagement piece, and the dead bolt of the second engagement piece is fastened in the catching groove of the first engagement piece.

5. the bicycle that can be transformed into single wheel cycle as claimed in claim 4, it is characterized in that: the lateral surface projection of this second engagement piece has a configuration section, this configuration section inside is formed with a room, in this room, be provided with this dead bolt and a spring, the second engagement piece is equipped with one first guide hole and one second guide hole that are communicated in room, one operated key with its first set guide rod through the first guide hole and be fixed on dead bolt, one brake key is with its second set guide rod through the second guide hole, and this brake key is butted on operated key.

6. the bicycle that can be transformed into single wheel cycle as claimed in claim 1, it is characterized in that: this two pedal has respectively a crank, one end of this crank is provided with a quick-disassembly structure, and this pedal can utilize quick-disassembly structure to be removably installed on transmission device or on the wheel shaft of front-wheel.

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