CN218967122U

CN218967122U - Labor-saving bicycle with shortened frame

Info

Publication number: CN218967122U
Application number: CN202221580581.7U
Authority: CN
Inventors: 庄逸恺
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-05-05
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to the technical field of bicycles, in particular to a labor-saving bicycle with a shortened frame, which structurally comprises the following components: the bicycle comprises a U-shaped plate frame, a sliding plate, folding pins, a front wheel, a frame, a saddle, a rear wheel, a sprocket, a driving wheel and a brake wheel, wherein the two sides of the U-shaped plate frame are arranged on a rear axle of the bicycle, and the bicycle is retracted leftwards through the sprocket to be closer to the flywheel.

Description

Labor-saving bicycle with shortened frame

Technical Field

The utility model relates to the technical field of bicycles, in particular to a labor-saving bicycle with a shortened frame.

Background

Bicycles, also known as bicycles or scooters, are typically two-wheeled small land vehicles. After people get on the vehicle, the pedal is taken as power, so that the vehicle is environment-friendly. The pedal sprocket on the bicycle on the market is usually located at the lower end of the frame, the frame is poor, the sprocket is far away from the rear wheel hub, and the flywheel on the rear wheel hub is relatively far away from the sprocket, namely the bicycle chain is relatively long, so that riding is laborious.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The utility model aims at overcoming the defects and providing a labor-saving bicycle with shortened frame.

In order to achieve the above object, the technical solution of the present utility model is: a labor-saving bicycle with shortened frame structurally comprises: u template frame, the slide, the folding round pin, the front wheel, the frame, the saddle, the rear wheel, the sprocket, the action wheel, the braking wheel, transmission, the transfer line, the right side of rear wheel is joined in marriage the U type inslot of U template frame, the both sides frame of U template frame is at the pivot both ends of rear wheel and there is the clearance that the transfer line passed between the two right sides, the slide is installed at the frame lower extreme, be provided with the folding round pin that is used for front wheel and rear wheel to fold on the slide, action wheel and sprocket fixed connection, the action wheel passes through transmission and braking wheel transmission and is connected, the transfer line sets up between U template frame and rear wheel and both sides all are connected with the braking wheel, U template frame right side is located between frame and the rear wheel, the sprocket is retracted to the rear wheel right side through U template frame, the saddle passes through the frame and installs the top left side at the sprocket.

Preferably, the bicycle further comprises a flywheel, wherein a pedal is externally connected with the sprocket, and the sprocket is in transmission connection with the flywheel through a bicycle chain.

Preferably, the two sides of the inner part of the U-shaped plate frame are connected with a driving wheel, a transmission device and a braking wheel.

Preferably, the lower end of the left side of the frame is supported between the rear wheel and the flywheel, and the flywheel is arranged at the axle center of the rear wheel.

Preferably, the upper end of the right side of the frame is connected with a handle, the upper end of the left side is connected with a saddle, and the lower end of the handle is connected to the axle center position of the front wheel.

Preferably, the transmission device is a gear transmission structure, the gear transmission structure is arranged at two sides of the rear wheel in a mirror image mode, the gear transmission structure comprises gears, the driving wheel is meshed with the gears, the gears are meshed with the braking wheels, and the braking wheels are transmitted to the braking wheels at the other side through the transmission rod.

Preferably, the transmission device is of a parallel crank structure, the parallel crank structure is arranged at two sides of the rear wheel in a mirror image mode, the parallel crank structure comprises a linkage wheel, a crank body and a connecting rod, the linkage wheel is arranged between the driving wheel and the braking wheel, the left side of the crank body is rotatably connected to the rear side of the driving wheel and the rear side of the linkage wheel through the connecting rod, the right side of the crank body is rotatably connected to the front side of the braking wheel through the connecting rod, and the braking wheel is transmitted to the braking wheel at the other side through the transmission rod.

Preferably, the transmission device is a belt transmission structure, the belt transmission structure is arranged at two sides of the rear wheel in a mirror image mode, the belt transmission structure comprises a belt, the driving wheel is in transmission connection with the brake wheel through the belt, and the brake wheel is transmitted to the brake wheel at the other side through the transmission rod.

Preferably, the transmission device is a chain transmission structure, the chain transmission structure is arranged at two sides of the rear wheel in a mirror image mode, the chain transmission structure comprises a chain, the driving wheel is in transmission connection with the braking wheel through the chain, and the braking wheel is transmitted to the braking wheel at the other side through the transmission rod.

Preferably, the transmission device is a transmission shaft structure, the transmission shaft structure is arranged at two sides of the rear wheel in a mirror image mode, the transmission shaft structure comprises a bevel gear set and a rotating rod, the bevel gear set is arranged on each of the driving wheel and the braking wheel, the two bevel gear sets are in transmission connection through the rotating rod, and the braking wheel is transmitted to the braking wheel at the other side through the transmission rod.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the bicycle, the two sides of the U-shaped plate frame are arranged on the rear axle of the bicycle, and the bicycle chain is retracted leftwards through the chain wheel to be closer to the flywheel, so that the length of the bicycle chain is shortened, a rider can save more effort when starting the bicycle through pedaling, the chain wheel is moved leftwards, the bicycle frame can be integrally shortened, the horizontal distance between the saddle and the rear axle center is shortened, the horizontal resistance of the rider on the bicycle is reduced, the bicycle is further more effort, children or other articles can be placed on the front carrying plate to be ridden, the bicycle is effectively prevented from being borne on the rear saddle, the rear saddle is too high, the danger is high, the bicycle is difficult to ride, the bicycle is placed on the lower-front sliding plate, the children can be better seen, and the safety is high.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that such objects and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the embodiment of the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the present utility model, and other drawings can be obtained according to such drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a reduced frame labor-saving bicycle according to the present utility model;

FIG. 2 is a schematic view of a bicycle in a folded state;

FIG. 3 is a schematic diagram of a gear transmission structure of the transmission device of the present utility model;

FIG. 4 is a schematic top view of a gear assembly of the present utility model;

FIG. 5 is a schematic diagram of a transmission of the present utility model in a parallel crank configuration;

FIG. 6 is a schematic top view of the parallel crank structure of the present utility model;

FIG. 7 is a schematic diagram of a belt drive configuration of the transmission of the present utility model;

FIG. 8 is a schematic top view of a belt drive of the present utility model;

FIG. 9 is a schematic view of a chain drive structure of the transmission of the present utility model;

FIG. 10 is a schematic top view of the chain drive of the present utility model;

FIG. 11 is a schematic view of a transmission shaft structure of the transmission device of the present utility model;

fig. 12 is a schematic top view of the structure of the transmission shaft of the present utility model.

The main reference numerals illustrate: the bicycle comprises a U-shaped plate frame-1, a slide plate-2, a folding pin-3, a front wheel-4, a handlebar-5, a bicycle frame-6, a bicycle seat-7, a rear wheel-8, a chain wheel-10, a driving wheel-12, a braking wheel-13, a transmission device-14, a transmission rod-15, a gear-141, a linkage wheel-142, a crank body-143, a connecting rod-144, a belt-145, a chain-146, a bevel gear group-147 and a rotating rod-148.

Detailed Description

The following detailed description will be given with reference to the accompanying drawings and examples, by which the technical means are applied to solve the technical problems, and the implementation process for achieving the technical effects can be fully understood and implemented. It should be noted that, as long as no conflict is formed, various embodiments and features in the embodiments of the present utility model may be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present embodiments. It will be apparent, however, to one skilled in the art that the present utility model may be practiced without some of these specific details or in the specific manner described herein.

Referring to fig. 1-2, the present utility model provides a labor-saving bicycle with shortened frame, which structurally comprises: the right side of the rear wheel 8 is matched into a U-shaped groove of the U-shaped plate frame 1, two sides of the U-shaped plate frame 1 are supported at two ends of a rotating shaft of the rear wheel 8, a gap for the transmission rod 15 to pass through is reserved between the two sides of the U-shaped plate frame 1, the sliding plate 2 is arranged at the lower end of the frame 6, the sliding plate 2 is provided with the folding pin 3 for overlapping the front wheel 4 and the rear wheel 8, the driving wheel 12 is fixedly connected with the chain wheel 10, the driving wheel 12 is in transmission connection with the braking wheel 13 through the transmission device 14, the transmission rod 15 sets up between U-shaped plate frame 1 and rear wheel 8 and both sides all are connected with brake wheel 13, U-shaped plate frame 1 right side is located between frame 6 and rear wheel 8, sprocket 10 is retracted to rear wheel 8 right side through U-shaped plate frame 1, saddle 7 passes through frame 6 and installs the top left side at sprocket 10, still include flywheel 9, sprocket 10 external connection has pedal 11, sprocket 10 passes through chain 16 and is connected with flywheel 9 transmission, U-shaped plate frame 1 inside both sides all are connected with action wheel 12, transmission 14 and brake wheel 13, frame 6 left side lower extreme supports between rear wheel 8 and flywheel 9, flywheel 9 installs in the axle center department of rear wheel 8, frame 6 right side upper end is connected with handlebar 5, left side upper end is connected with saddle 7, the handlebar 5 lower extreme is connected on the axle center position of front wheel 4. By retracting the sprocket 10 to the left closer to the flywheel 9, the length of the chain 16 is shortened, so that a rider can save more effort when starting the bicycle by pedaling, and the sprocket 10 moves to the left, so that the frame 6 can be integrally shortened, the horizontal distance between the saddle 7 and the axle center of the rear wheel 8 is shortened, the horizontal resistance of the rider on the bicycle is reduced, and the bicycle is further more effort when ridding. The two sides of the U-shaped plate frame 1 are arranged at two ends of a rotating shaft of the rear wheel 8, and a gap through which a transmission rod 15 passes is formed between the two sides, so that the driving wheel 12, the brake wheel 13 and the transmission device 14 can be arranged on the U-shaped plate frame 1, and the driving wheel 12 is matched with the brake wheel 13 through the transmission device 14, so that the rotation of the chain wheel 10 is transmitted to the pedal 11 at the other side through the transmission rod 15, and the problem that the chain wheel 10 is difficult to be transmitted to the pedal 11 at the other side for rotation after being moved leftwards is solved.

The transmission device 14 is a gear transmission structure, the gear transmission structure is arranged at two sides of the rear wheel 8 in a mirror image mode, the gear transmission structure comprises a gear 141, the driving wheel 12 is meshed with the gear 141, the gear 141 is meshed with the brake wheel 13, and the brake wheel 13 is transmitted to the brake wheel 13 at the other side through the transmission rod 15. The sprocket 10 is driven to rotate by the pedals 11, the driving wheel 12 rotates along with the sprocket, the gear 141 and the braking wheel 13 rotate together, the braking wheel 13 is driven to the braking wheel 13 at the other side through the driving rod 15 under the action of the U-shaped plate frame 1, the gear 141 at the other side and the driving wheel 12 also rotate sequentially, and accordingly the pedals at the other side work together, and therefore the bicycle can be ridden in a labor-saving mode.

The transmission device 14 is of a parallel crank structure, the parallel crank structure is arranged at two sides of the rear wheel 8 in a mirror image mode, the parallel crank structure comprises a linkage wheel 142, a crank body 143 and a connecting rod 144, the linkage wheel 142 is arranged between the driving wheel 12 and the braking wheel 13, the left side of the crank body 143 is rotatably connected to the rear side of the driving wheel 12 and the linkage wheel 142 through the connecting rod 144, the right side of the crank body 143 is rotatably connected to the front side of the braking wheel 13 through the connecting rod 144, and the braking wheel 13 is transmitted to the braking wheel 13 at the other side through the transmission rod 15. The sprocket 10 is driven to rotate by the pedals 11, the driving wheel 12 rotates along with the sprocket, the crank body 143 pushes the linkage wheel 142 to rotate together with the brake wheel 13 under the action of the connecting rod 144, the brake wheel 13 is driven to the brake wheel 13 at the other side through the driving rod 15 under the action of the U-shaped plate frame 1, the linkage wheel 142 at the other side and the brake wheel 13 rotate sequentially, and accordingly the pedals at the other side work together, and therefore the bicycle can be ridden in a labor-saving mode.

The transmission device 14 is of a belt transmission structure, the belt transmission structure is arranged at two sides of the rear wheel 8 in a mirror image mode, the belt transmission structure comprises a belt 145, the driving wheel 12 is in transmission connection with the braking wheel 13 through the belt 145, and the braking wheel 13 is transmitted to the braking wheel 13 at the other side through the transmission rod 15. The sprocket 10 is driven to rotate by the pedals 11, the driving wheel 12 rotates along with the sprocket, the braking wheel 13 rotates along with the sprocket under the action of the belt 145, the braking wheel 13 is driven to the braking wheel 13 at the other side through the transmission rod 15 under the action of the U-shaped plate frame 1, the belt 145 at the other side drives the driving wheel 12 to rotate sequentially, and accordingly the pedals at the other side work together, and therefore the bicycle can be ridden in a labor-saving mode.

The transmission device 14 is a chain transmission structure, the chain transmission structure is arranged at two sides of the rear wheel 8 in a mirror image mode, the chain transmission structure comprises a chain 146, the driving wheel 12 is in transmission connection with the braking wheel 13 through the chain 146, and the braking wheel 13 is transmitted to the braking wheel 13 at the other side through the transmission rod 15. The chain wheel 10 is driven to rotate by the pedals 11, the driving wheel 12 rotates along with the chain wheel, the braking wheel 13 rotates along with the chain, the braking wheel 13 is driven to the braking wheel 13 at the other side by the transmission rod 15 under the action of the U-shaped plate frame 1, the chain 146 at the other side drives the driving wheel 12 to rotate sequentially, and accordingly the pedals at the other side work together, and therefore the bicycle can be ridden in a labor-saving mode.

The transmission device 14 is of a transmission shaft structure, the transmission shaft structure is arranged at two sides of the rear wheel 8 in a mirror image mode, the transmission shaft structure comprises bevel gear sets 147 and rotating rods 148, the bevel gear sets 147 are arranged on the driving wheel 12 and the braking wheel 13, the two bevel gear sets 147 are in transmission connection through the rotating rods 148, and the braking wheel 13 is transmitted to the braking wheel 13 at the other side through the transmission rod 15. The sprocket 10 is driven to rotate by the pedals 11, the bevel gear group 147 drives the rotating rod 148 to rotate together, so that the brake wheel 13 and the bevel gear group 147 on the brake wheel 13 rotate along with each other, the brake wheel 13 is driven to the brake wheel 13 on the other side through the driving rod 15 under the action of the U-shaped plate frame 1, the brake wheel 13 on the other side and the driving wheel 12 rotate sequentially, and accordingly the pedals on the other side work together, and the bicycle can be ridden in a labor-saving mode.

Wherein slide 2 can be the year thing board, can place child on carrying the thing board, effectively avoid bearing it in the back seat of car, the back seat is too high, and the risk is also higher, places on the lower slide 2 in front, can be better see child, and the security is also higher.

It is to be understood that the disclosed embodiments of the utility model are not limited to the particular process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the present utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims

1. A labor-saving bicycle with a shortened frame, which is characterized in that the structure comprises: the utility model provides a U-shaped plate frame (1), slide plate (2), folding pin (3), front wheel (4), frame (6), saddle (7), rear wheel (8), sprocket (10), action wheel (12), brake pulley (13), transmission (14), transfer line (15), the right side of rear wheel (8) joins in marriage the U-shaped inslot of U-shaped plate frame (1), the both sides frame of U-shaped plate frame (1) is at the pivot both ends of rear wheel (8) and there is the clearance that transfer line (15) passed between both right sides, slide plate (2) are installed at frame (6) lower extreme, be provided with on slide plate (2) and be used for front wheel (4) and rear wheel (8) folding pin (3) that overlap, action wheel (12) and sprocket (10) fixed connection, action wheel (12) are connected with brake pulley (13) transmission through transmission (14), transfer line (15) set up between U-shaped plate frame (1) and rear wheel (8) and both sides are connected with brake pulley (13), U-shaped plate frame (1) right side is located between frame (6) and rear wheel (8), sprocket (10) pass through right side (1), the saddle (7) is arranged on the left side above the chain wheel (10) through the frame (6).

2. A reduced frame labor-saving bicycle according to claim 1, wherein: the bicycle further comprises a flywheel (9), a pedal (11) is externally connected with the chain wheel (10), and the chain wheel (10) is in transmission connection with the flywheel (9) through a bicycle chain (16).

3. A reduced frame labor-saving bicycle according to claim 1, wherein: the two sides of the inside of the U-shaped plate frame (1) are connected with a driving wheel (12), a transmission device (14) and a braking wheel (13).

4. A reduced frame labor-saving bicycle according to claim 2, wherein: the lower end of the left side of the frame (6) is supported between the rear wheel (8) and the flywheel (9), and the flywheel (9) is arranged at the axle center of the rear wheel (8).

5. A reduced frame labor-saving bicycle according to claim 4, wherein: the upper end of the right side of the frame (6) is connected with a handle (5), the upper end of the left side is connected with a saddle (7), and the lower end of the handle (5) is connected to the axle center position of the front wheel (4).

6. A reduced frame labor-saving bicycle according to claim 1, wherein: the transmission device (14) is of a gear transmission structure, the gear transmission structure is arranged at two sides of the rear wheel (8) in a mirror image mode, the gear transmission structure comprises a gear (141), the driving wheel (12) is meshed with the gear (141) and the gear (141) is meshed with the brake wheel (13), and the brake wheel (13) is transmitted to the brake wheel (13) at the other side through the transmission rod (15).

7. A reduced frame labor-saving bicycle according to claim 1, wherein: the transmission device (14) is of a parallel crank structure, the parallel crank structure is arranged on two sides of the rear wheel (8) in a mirror image mode, the parallel crank structure comprises a linkage wheel (142), a crank body (143) and a connecting rod (144), the linkage wheel (142) is arranged between the driving wheel (12) and the braking wheel (13), the left side of the crank body (143) is rotatably connected to the rear side of the driving wheel (12) and the linkage wheel (142) through the connecting rod (144), the right side of the crank body (143) is rotatably connected to the front side of the braking wheel (13) through the connecting rod (144), and the braking wheel (13) is driven to the braking wheel (13) on the other side through the transmission rod (15).

8. A reduced frame labor-saving bicycle according to claim 1, wherein: the transmission device (14) is of a belt transmission structure, the belt transmission structure is arranged at two sides of the rear wheel (8) in a mirror image mode, the belt transmission structure comprises a belt (145), the driving wheel (12) is in transmission connection with the braking wheel (13) through the belt (145), and the braking wheel (13) is transmitted to the braking wheel (13) at the other side through the transmission rod (15).

9. A reduced frame labor-saving bicycle according to claim 1, wherein: the transmission device (14) is of a chain transmission structure, the chain transmission structure is arranged at two sides of the rear wheel (8) in a mirror image mode, the chain transmission structure comprises a chain (146), the driving wheel (12) is in transmission connection with the braking wheel (13) through the chain (146), and the braking wheel (13) is transmitted to the braking wheel (13) at the other side through the transmission rod (15).

10. A reduced frame labor-saving bicycle according to claim 1, wherein: the transmission device (14) is of a transmission shaft structure, the transmission shaft structure is arranged at two sides of the rear wheel (8) in a mirror image mode, the transmission shaft structure comprises a bevel gear set (147) and a rotating rod (148), the bevel gear set (147) is arranged on each of the driving wheel (12) and the braking wheel (13), the two bevel gear sets (147) are in transmission connection through the rotating rod (148), and the braking wheel (13) is transmitted to the braking wheel (13) at the other side through a transmission rod (15).