WO2016141557A1

WO2016141557A1 - Bicycle having frame with strengthened structure and smooth appearance

Info

Publication number: WO2016141557A1
Application number: PCT/CN2015/073973
Authority: WO
Inventors: 许理彦; 李育奇
Original assignee: 许理彦; 李育奇
Priority date: 2015-03-11
Filing date: 2015-03-11
Publication date: 2016-09-15

Abstract

A bicycle having a frame with a strengthened structure, the bicycle comprising: a front wheel (11), a back wheel (12), a frame (30), two pedals (80), a brake mechanism (50), a cushion (40) and a front bicycle portion (20). The front bicycle portion (20) comprises an upper handlebar (21), a front fork (22) connected to a lower end of the handlebar (21), and a head tube (23) covering an upper end of the front fork (22). A bottom portion of the front fork (22) is connected to the front wheel (11). The frame (30) comprises an upper tube (31), a lower tube (32), an upright tube (33) and a back fork (34). A front end of the upper tube (31) is connected to an upper end of the head tube (23) and extends backward from the head tube (23), and a back end of the upper tube (31) is connected to the upright tube (33). The upright tube (33) has an approximate "V" shape, and a lower end of the upright tube (33) is connected to the back fork (34). The back fork (34) extends backward from the lower end of the upright tube (33). The lower tube (32) is located below the upper tube (31), and extends from a middle bending position of the upright tube (33) to a lower end of the head tube (23), and connects the head tube (23) to the upright tube (33). Two sides of back ends of the back fork (34) are connected to the back wheel (12). A funnel-shaped downward recessed portion (311) is formed from a middle portion of the upper tube (31). The front end of the upper tube (31) is formed with an upper convex portion (312). The upper convex portion (312) extends backward and gradually reduces in size to have an elongated bar shape, and extends to the downward recessed portion (311), thus increasing an overall strength of the frame (30).

Description

Bicycle with reinforced structure and smooth exterior frame

[Technical Field]

This creation is about bicycles, especially a bicycle with a reinforced structure and a smooth exterior.

【Background technique】

Bicycles are a very common means of transportation. Because bicycles are lightweight and do not require gasoline, they are also low-pollution vehicles.

The conventional bicycle frame mainly includes an upper pipe, a lower pipe, a riser pipe, a rear upper fork and a lower fork. The upper tube is connected to the head tube at the front of the bicycle, and extends from the head tube backward. The lower tube is located below the upper tube and extends rearward and downward by the head tube. The riser is approximately vertical and has an inclined angle, and the upper end is connected to the seat post of the bicycle and the rear end of the upper tube, and the lower end is connected to the rear end of the lower tube. The rear upper fork extends rearward and downward from the upper end of the riser, and the rear lower fork extends rearward from the lower end of the riser, and the rear upper fork and the rear lower fork are connected at a rear end intersection of the two. However, the bicycles currently on the market mainly belong to the above structure, so the structural strength is limited, and the appearance is relatively unchanged, so it appears rigid. Therefore, it is impossible to give the user a better experience.

Due to advances in materials technology, high-strength materials can be used to form rigid structural components with smooth shapes, which can replace the components in the traditional design structure, and even maintain the number of components in the design structure. Good rigid structure, so that the product has better structural strength and a more diverse appearance. Therefore, the present invention hopes to propose a brand new bicycle with a reinforced structure and a smooth appearance to solve the prior art defects.

[Summary of the Invention]

Therefore, the purpose of the present invention is to solve the above-mentioned problems in the prior art. In the present invention, a bicycle having a reinforced structure and a smooth exterior frame is proposed, which is applied to a bicycle with a reinforced structure. The upper tube, the riser and the rear fork form an inverted S-shaped shape, which has a smoother appearance than the conventional bicycle. Wherein the middle portion of the upper tube forms a funnel-shaped lower recess rearward. The front end of the upper tube forms an upper convex portion which extends rearward and is gradually reduced to an elongated shape and extends to the lower concave portion. Therefore, compared with the upper tube of the conventional bicycle, the upper tube of the present case can form a better rigid structure and has a smooth appearance as a whole. In addition, due to the advancement of materials, the lower tube is made of a high-strength material to form a flat structure, which not only has the support function of the tube under the conventional bicycle, but also does not affect the overall appearance of the frame. The frame may further comprise a flat V-shaped crossing tube, the front half is parallel to the lower tube, and the rear half is parallel to the riser, and is visually integrated with the lower tube and the riser. State, and has a good aesthetic. Therefore, the frame structure of the present case strengthens its rigid structure at the same time in a smooth type, and has a better appearance and enhanced stability compared with the conventional bicycle, and can provide a better riding experience for the user.

In order to achieve the above object, the present invention proposes a bicycle having a reinforced structure and a smooth exterior frame, comprising: a front wheel and a rear wheel; a front part of the vehicle body, The upper end includes a grip, a front fork connecting the lower end of the gripper, and a head tube covering the upper end of the front fork; the upper end of the front fork passes through the head tube to connect the lower end of the grip; the bottom ends of the front fork are connected at both ends The axle of the front wheel of the bicycle; the grip is used to hold the user's hands, and the front fork is rotated, and the front wheel is rotated to change the direction of the bicycle; a frame including the upper tube and the lower a tube, a riser and a rear fork; wherein a front end of the upper tube is connected to an upper end of the head tube; the upper tube is extended rearward from the head tube, and a rear end of the upper tube is connected to the riser; wherein the riser is approximately a squat type, the stand The lower end of the tube is connected to the rear fork; the rear fork extends rearward from the lower end of the riser; therefore, the upper tube, the riser and the rear fork form an inverted S-shaped shape, wherein the inverted S-type is a form formed by a vertically inverted S-shape, and having an integrally formed aesthetic and integration in overall vision; the lower tube is located below the upper tube, and the middle portion of the riser is bent toward the lower end of the head tube Extending to connect the head pipe and the riser; the rear ends of the rear fork are connected to the axle of the rear wheel Two pedals are located at the bottom end of the frame for providing a user to step on the bicycle to advance; a brake mechanism connecting the grip and the front portion of the vehicle body and the rear end of the frame for allowing the user to stop the The advancement of the bicycle; a pad is located above the riser.

Further, wherein the upper surface of the upper surface of the upper tube is gradually recessed downward from the outer side toward the inner side to form a funnel-shaped lower concave portion; the front end of the upper tube forms an upper convex portion which is slightly convex upward, and the upper convex portion is formed by the upper convex portion The front end of the upper tube extends rearwardly and gradually decreases to a long strip shape and extends to the lower recess portion; the upper convex portion and the lower concave portion are used to increase the strength of the overall frame, and form a rigid structure as a whole. It also has a smooth appearance.

Further, the front end of the upper convex portion has a hollow space for accommodating the user's personal belongings; the upper surface of the front end of the upper convex portion has an opening communicating with the hollow space, and is closed by a switchable upper cover The opening.

Further, wherein the lower tube is flat and is made of a high-strength material for balancing the moment generated between the rear end of the rear fork and the front fork, and the frame is provided. The overall support is sufficient and does not affect the overall aesthetics of the frame.

Further, the frame further includes a traversing pipe having a flat shape, and a front end of the traversing pipe is located between the upper pipe and the lower pipe, and is connected to the head pipe; the traversing pipe is along an upper surface of the lower pipe Extending back to the middle section of the riser and extending rearward along the upper surface of the riser, and passing through a perforation at the rear end of the upper tube, and finally connected to the upper end of the riser; thus making the crossing The front half of the tube is parallel to the lower tube, and the second half is parallel to the riser, and is approximately in a V-shaped form, and visually forms an integral form with the lower tube and the riser, and Has a good aesthetic.

Further, the bicycle with the reinforced structure and the smooth appearance of the frame further includes:

a transmission mechanism comprising a gear, a flywheel and a chain; the gear is mounted on a bottom end of the frame; the flywheel is mounted on an axle of the rear wheel; the gear and the flywheel are connected via the chain; when the gear rotates When the flywheel is driven by the chain, the rear wheel can be rotated, so that the bicycle can advance;

An electric motor is mounted on the bottom end of the frame between the front wheel and the rear wheel; the electric motor is coupled to the gear for providing power to drive the gear, and rotating the flywheel and driving the rear wheel to rotate Cycling can go forward.

Further, wherein the lower end of the riser forms a hollow space inwardly, and a battery is detachably mounted to the hollow space of the riser for supplying electric power to the electric motor. The features of the present invention and its advantages can be further understood from the description below, and please refer to the attached drawings when reading.

[Description of the Drawings]

Figure 1 shows a side view of one embodiment of the present invention.

Figure 2 shows a schematic view of the partial structure of the frame of the present case.

【Symbol Description】

11 front wheel

12 rear wheel

20 front of the car

21 grip

22 front fork

23 head tube

30 frame

31 upper tube

32 lower tube

33 riser

34 rear fork

35 crossing pipe

40 seat cushion

41 seatpost

50 brake mechanism

60 transmission mechanism

61 gear

62 flywheel

63 chain

70 electric motor

71 battery

80 pedals

81 crank arm

100 rear fender

110 shock absorber

311 lower recess

312 upper convex

313 opening

314 top cover

【detailed description】

In view of the structural composition of the case, and the functions and advantages that can be produced, in conjunction with the drawings, a preferred embodiment of the present invention is described in detail below.

Please refer to FIG. 1 to FIG. 2, which shows the bicycle of the frame with the reinforced structure and the smooth appearance, and includes the following components:

A front wheel 11 and a rear wheel 12.

A front portion 20 includes a grip 21 at the upper end, a front fork 22 connecting the lower end of the grip 21, and a head tube 23 covering the upper end of the front fork 22. The upper end of the front fork 22 can pass through the head tube 23 to connect the lower end of the grip 21. Both ends of the front fork 22 are connected to the axle of the front wheel 11 of the bicycle. The grip 21 is used to hold the user's hands and rotate the front fork 22 and rotate the front wheel 11 to change the direction of the bicycle.

A frame 30 includes an upper tube 31, a lower tube 32, a riser 33, and a rear fork 34. The front end of the upper tube 31 is connected to the upper end of the head tube 23. The upper tube 31 extends rearward from the head tube 23, and its rear end is connected to the riser 33. The riser 33 is approximately ㄑ-shaped, and the lower end of the riser 33 is connected to the rear fork 34. The rear fork 34 extends rearward from the lower end of the riser 33. Therefore, the upper tube 31, the vertical tube 33 and the rear fork 34 form an inverted S-shaped shape, wherein the inverted S-shaped type is formed by a vertically inverted S-shaped type, and has an overall visual appearance. The beauty and integration of one-piece shape. The lower tube 32 is located below the upper tube 31, and extends from the middle portion of the riser 33 to the lower end of the head tube 23 to connect the head tube 23 and the riser 33. Both ends of the rear end of the rear fork 34 are coupled to the axle of the rear wheel 12.

The middle portion of the upper surface of the upper tube 31 is gradually recessed downward from the outer side toward the inner side to form a funnel-shaped lower concave portion 311. The front end of the upper tube 31 is formed with an upper convex portion 312 which is slightly convex upward. The upper convex portion 312 extends rearward from the front end of the upper tube 31 and is gradually reduced to an elongated shape to extend to the lower concave portion 311. The upper convex portion 312 and the lower concave portion 311 are used to increase the strength of the entire frame 30, and form a rigid structure, and have a smooth appearance as a whole.

The front end of the upper convex portion 312 has a hollow space for accommodating the user's personal belongings, especially electronic devices such as mobile phones and PDAs. The upper surface of the front end of the upper convex portion 312 has an opening 313 communicating with the hollow space, and the opening 313 is closed by a switchable upper cover 314.

The lower tube 32 is flat and composed of a high-strength material, and the lower tube 32 is used to balance the moment generated between the rear end of the rear fork 34 and the upper tube 31. The frame 30 has sufficient supporting force as a whole and does not affect the overall appearance of the frame 30.

The frame 30 further includes a traverse tube 35 having a flat shape, and a front end of the traverse tube 35 is located between the upper tube 31 and the lower tube 32 to connect the head tube 23. The traversing pipe 35 extends rearward along the upper surface of the lower pipe 32 to a middle portion of the riser pipe 33, and then extends rearward along the upper surface of the riser pipe 33, and passes through the upper pipe 31. A perforation of the end is finally connected to the upper end of the riser 33. Therefore, the front half of the crossing pipe 35 is parallel to the lower pipe 32, and the rear half is parallel to the riser 33, and is approximately in a V-shaped form, and visually and downwardly The tube 32 and the riser 33 form an integral shape with excellent aesthetics.

A mat 40 is coupled to the upper end of the frame 30 via a rod 41 for providing a user ride.

A brake mechanism 50 connects the grip 21 and the front portion 20 of the vehicle body and the rear end of the frame 30 for allowing the user to stop the advancement of the bicycle. The brake mechanism 50 includes two brake grips respectively mounted on opposite sides of the front end of the grip 21, and the brake mechanism 50 can grip the front wheel 11 or the rear wheel 12 when the user presses the two brake grips.

A transmission mechanism 60 includes a gear 61, a flywheel 62, and a chain 63. The gear 61 is mounted to a bottom end of the frame 30. The flywheel 62 is mounted to the axle of the rear wheel 12. The gear 61 and the flywheel 62 are connected via the chain 63. When the gear 61 rotates, the flywheel 62 can be driven via the chain 63 to rotate the rear wheel 12 so that the bicycle can advance.

An electric motor 70 is mounted to the bottom end of the frame 30 between the front wheel 11 and the rear wheel 12. The electric motor 70 is coupled to the gear 61 for providing power to drive the gear 61, and rotates the flywheel 62 to drive the rear wheel 12 to rotate, so that the bicycle can advance.

A battery 71 is detachably attached to a hollow space formed inwardly at a front end of the lower end of the riser 33 for supplying electric power to the electric motor 70.

Two pedals 80 are respectively connected to the gear 61 by a crank arm 81, and the two pedals The plate 80 is used to provide the user's foot to step on the gear 61, rotate the flywheel 62 and drive the rear wheel 12 to rotate, so that the bicycle can advance.

A rear fender 100 is located in front of the rear wheel 12, and the rear fender 100 is mounted on the rear end of the frame 30 to prevent the rear wheel 12 from splashing when the bicycle passes through the ground with water. Water stains or sludge can splash on the user.

A shock absorber 110 is coupled to the frame 30 and the rear wheel 12 for absorbing the vibration generated when the rear wheel 12 advances on the ground, and the bicycle suspension function can be provided.

The case may further include a shifting mechanism (not shown) for adjusting the rotational speed of the rear wheel 12 to change the speed of the bicycle. The shifting mechanism includes two shifting knobs mounted on the grip 21, and two transmissions are respectively coupled to the gear 61 and the flywheel 62. The user can change the rotational speed of the rear wheel 12 by switching the two shifting switches to different grades, so that the two transmissions switch the chain 63 to the different sets of the toothed discs in the gear 61 or the flywheel 62.

The advantage of the present case is that a frame with a reinforced structure is applied to a bicycle, and the upper tube, the riser and the rear fork of the frame form an inverted S-shaped shape, which is compared with the conventional bicycle. The state has a smoother appearance. Wherein the middle portion of the upper tube forms a funnel-shaped lower recess rearward. The front end of the upper tube forms an upper convex portion which extends rearward and is gradually reduced to an elongated shape and extends to the lower concave portion. Therefore, compared with the upper tube of the conventional bicycle, the upper tube of the present case can form a better rigid structure and has a smooth appearance as a whole. In addition With the advancement of the material, the lower tube is made of a high-strength material to form a flat structure, which not only has the support function of the tube under the conventional bicycle, but also does not affect the overall appearance of the frame. The frame may further comprise a flat V-shaped crossing tube, the front half is parallel to the lower tube, and the rear half is parallel to the riser, and is visually integrated with the lower tube and the riser. State, and has a good aesthetic. Therefore, the frame structure of the present case strengthens its rigid structure at the same time in a smooth type, and has a better appearance and enhanced stability compared with the conventional bicycle, and can provide a better riding experience for the user.

In summary, the humanized design of this case is quite in line with actual needs. The specific improvement of the existing defects, compared with the prior art has obvious breakthrough advantages, it does have an improvement in efficacy, and is not easy to achieve. The case has not been disclosed or disclosed in domestic and foreign literature and market, and has complied with the provisions of the Patent Law.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and the embodiment is not intended to limit the scope of the patents, and the equivalent implementations or modifications that are not departing from the spirit of the art should include In the scope of the patent in this case.

Claims

A bicycle with a reinforced structure and a smooth exterior frame, comprising:

a front wheel and a rear wheel;

a front portion of the vehicle body, comprising: an upper end grip, a front fork connecting the lower end of the gripper, and a head tube covering the upper end of the front fork; the upper end of the front fork passes through the head tube to connect the lower end of the grip; the front fork The bottom ends of the bicycle are connected to the axle of the front wheel of the bicycle; the grip is used to hold the user's hands, and the front fork is rotated, and the front wheel is rotated to change the direction of the bicycle;

a frame comprising an upper tube, a lower tube, a riser and a rear fork; wherein a front end of the upper tube is connected to an upper end of the head tube; the upper tube is extended rearward from the head tube, and a rear end of the upper tube is connected to the riser; The riser is approximately ㄑ-shaped, the lower end of the riser is connected to the rear fork; the rear fork extends rearward from the lower end of the riser; the lower pipe is located below the upper pipe, and the middle section of the riser is bent The lower end of the head pipe extends to connect the head pipe and the riser; the rear ends of the rear fork are connected to the axle of the rear wheel;

Two pedals are located at the bottom end of the frame for providing a user to step on the bicycle to advance;

a brake mechanism connecting the grip and the front portion of the vehicle body and the rear end of the frame for allowing the user to stop the advancement of the bicycle;

A mat is located above the riser.
A bicycle with a reinforced structure and a smooth outer frame according to claim 1, wherein a middle portion of the upper surface of the upper tube gradually extends from the outer side to the inner side thereof Depressing downwardly to form a funnel-shaped lower recess; the front end of the upper tube is formed with an upper convex portion that is slightly convex upward, and the upper convex portion extends rearward from the front end of the upper tube and is gradually reduced to a long strip shape. The lower convex portion and the lower concave portion are used to increase the strength of the entire frame, and form a rigid structure, and have a smooth appearance as a whole.
A bicycle with a reinforced structure and a smooth outer frame according to claim 2, wherein the front end of the upper convex portion has a hollow space for accommodating a user's belongings; the upper surface of the front end of the upper convex portion has An opening communicates with the hollow space and closes the opening with a switchable upper cover.
A bicycle with a reinforced structure and a smooth outer frame according to claim 1, wherein the lower pipe is flat and is made of a high-strength material for balancing the rear end of the rear fork with the upper end The tube connects the torque generated between the front forks to provide sufficient support for the overall frame and does not affect the overall aesthetics of the frame.
A bicycle with a reinforced structure and a smooth outer frame according to claim 1, wherein the frame further comprises a traverse tube having a flat shape, and a front end of the traversing tube is located between the upper tube and the lower tube. Connecting the head pipe; the traversing pipe extends rearward along the upper surface of the lower pipe to a middle portion of the riser, and then extends rearward along the upper surface of the riser, and after exiting the upper pipe a perforation of the end, and finally connected to the upper end of the riser; thus, the front half of the crossing pipe is parallel to the lower pipe, and the rear half is parallel to the riser, and is approximately in a V shape, and in the visual Forming an integral form with the lower tube and the riser, and having an excellent Good beauty.
A bicycle having a reinforced structure and a smooth outer frame according to claim 1, further comprising:

a transmission mechanism comprising a gear, a flywheel and a chain; the gear is mounted on a bottom end of the frame; the flywheel is mounted on an axle of the rear wheel; the gear and the flywheel are connected via the chain; when the gear rotates When the flywheel is driven by the chain, the rear wheel can be rotated, so that the bicycle can advance;

An electric motor is mounted on the bottom end of the frame between the front wheel and the rear wheel; the electric motor is coupled to the gear for providing power to drive the gear, and rotating the flywheel and driving the rear wheel to rotate Cycling can go forward.
A bicycle with a reinforced structure and a smooth outer frame according to claim 6, wherein a front end of the lower end of the riser forms a hollow space inward, and a battery is detachably mounted to the hollow of the riser. Space is used to provide power to the electric motor.