CN213008601U

CN213008601U - Bicycle drive device

Info

Publication number: CN213008601U
Application number: CN202021600774.5U
Authority: CN
Inventors: 杨浦根
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-04-20
Anticipated expiration: 2030-08-05

Abstract

The utility model provides a drive arrangement for bicycle, including the axis, the equal swing joint of centraxonial both sides surface has main crank, main crank rotates with centraxonial junction and is connected with fixing bolt, fixing bolt's position rotation is kept away from to main articulate one side surface is installed the footboard, centraxonial outer disc is close to the position fixedly connected with second bearing of one side, the outer disc fixedly connected with chain wheel of second bearing, main crank is close to the position fixedly connected with pair crank of lower extreme near the one side surface of chain wheel, pair crank rotates with the junction of chain wheel and is connected with connecting bolt, centraxonial surface is close to middle position rotation and is connected with outer wire casing. The utility model discloses, can dismantle fast and maintain to it is laborsaving, the acceleration is fast and obvious, and is very laborsaving, and two kinds of mounting means, reduces the limitation in the installation, has improved the application scope of this device.

Description

Bicycle drive device

Technical Field

The utility model relates to a bicycle technical field specifically is drive arrangement for bicycle.

Background

Bicycles, also known as bicycles or bicycles, are usually two-wheeled small land vehicles, which can be used as an environment-friendly vehicle for riding instead of walking and traveling, more and more people use the bicycles as fitness equipment for riding exercise and bicycle touring, and the bicycles are also a sports competition, such as road bike racing, mountain bike racing, field bike racing, special bike racing and the like.

In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: when the driving device of the traditional bicycle is used, the distance between the initial point of the wheel disc stress and the driving point is short, the force applied to the pedal by a user is increased, the using performance of the driving device is reduced, the speed is increased slowly, the physical strength of the user is easy to consume, and the mounting mode is single.

To this end, a bicycle drive device is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive arrangement for bicycle can dismantle fast and maintain to it is laborsaving, the speed-up is fast and obvious, and is very laborsaving, and two kinds of mounting means, reduces the limitation in the installation, has improved the application scope of this device, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the driving device for the bicycle comprises a center shaft, wherein main cranks are movably connected to the outer surfaces of two sides of the center shaft, a fixing bolt is rotatably connected to the joint of the main cranks and the center shaft, pedals are rotatably mounted at the position, far away from the fixing bolt, of the outer surface of one side of the main cranks, a second bearing is fixedly connected to the position, close to one side, of the outer circular surface of the center shaft, a chain wheel is fixedly connected to the outer circular surface of the second bearing, an auxiliary crank is fixedly connected to the position, close to the lower end, of the outer surface of one side, close to the chain wheel, of the main cranks, a connecting bolt is rotatably connected to the joint of the auxiliary crank and the chain wheel, an outer wire pipe is rotatably connected to the position, close to the middle, of the outer circular surface of the outer wire pipe, a five-way pipe is rotatably connected to, and a fixed sleeve is connected to the outer circular surface of the middle shaft between the main crank and the chain wheel in a sliding manner.

Preferably, the part of the outer sleeve wire tube extending out of the five-way tube is rotatably connected with the chain wheel, and the chain wheel is movably connected with the outer sleeve wire tube and the middle shaft.

The chain wheel can be respectively arranged on the middle shaft and the outer sleeve wire tube, and the middle shaft can be arranged without being divided into different sizes, so that the convenience of installation is improved.

Preferably, the surface of outer pipe is kept away from one side rotation of five-way pipe and is connected with first nut, the surface of outer pipe is close to one side rotation of five-way pipe and is connected with the second nut, rotate between chain wheel opposite side surface and the second nut and install the flywheel.

First nut and second nut carry out the centre gripping to the chain wheel that is located two nut middles and fix, improve the stability of chain wheel, make improvement to of whole drive arrangement's stability.

Preferably, the main crank can be sleeved on the middle shaft, a locking nut is rotatably connected to the outer circular surface of the middle shaft on one side of the main crank, and the locking nut is tightly attached to the outer surface of one side of the main crank.

The connecting mode of the main crank and the middle shaft can be divided into two modes, so that the convenience of workers in installation is improved, the limitation of installation in the process is reduced, and the convenience of the driving device is improved.

Preferably, the outer surface of each outer sleeve wire pipe is in threaded connection with the five-way pipe, and the number of the outer sleeve wire pipes is two and the two outer sleeve wire pipes are respectively located at two ends of the five-way pipe.

The inner surfaces of the two outer sleeve wire pipes are tightly attached to the middle shaft, so that a supporting effect is provided for the middle shaft, the disassembly and the replacement are convenient, and the work efficiency in maintenance and disassembly is improved.

Preferably, the auxiliary crank is in an inverted J shape, the shorter side of the auxiliary crank is tightly attached to the outer surface of the chain wheel, and the auxiliary crank and the chain wheel are temporarily integrated through a connecting bolt.

The fixing through the connecting bolt enables the main crank to rotate and drives the chain wheel to rotate through the auxiliary crank, so that the bicycle can save the strength of a user when riding and improve the riding speed.

Preferably, the number of the pedals is two, and the pedals at the connecting position of the auxiliary crank and the main crank are connected into a whole through threaded connection.

The user steps on the footboard and drives main crank and vice crank all to rotate, and convenience of customers carries out the speed-up to feel obvious when accelerating.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, a bearing seat is arranged on a chain wheel, a second bearing is arranged in the bearing seat, after the second bearing is arranged, an outer sleeve wire pipe is arranged in a five-way pipe, a middle shaft is inserted from the middle position of the outer sleeve wire pipe to be tightly attached to a first bearing positioned in the outer sleeve wire pipe, at the moment, the outer sleeve wire pipe plays a role of fixedly supporting the middle shaft, when the chain wheel is arranged, the chain wheel can be arranged in two modes, one mode is that the chain wheel can be directly arranged on the middle shaft, the outer sleeve wire pipe can be prolonged, the chain wheel is arranged on the outer sleeve wire pipe, the mounting modes are various, the chain wheel is suitable for bicycles of various types, the application range of the driving device is improved, when the chain wheel is arranged on the middle shaft, after the chain wheel is arranged, main cranks can be arranged on the outer surfaces of two sides of the middle shaft, and when the main cranks positioned on one side of the chain wheel is, then installing a main crank, connecting and fixing the main cranks positioned at two sides of the center shaft on the center shaft through a fixing bolt, wherein the outer surface of the shorter side of an auxiliary crank fixedly connected with the main crank is clung to a chain wheel, the clung position of the auxiliary crank is close to the edge of the chain wheel, the chain wheel is fixedly connected with the auxiliary crank through a connecting bolt, the connection mode of the auxiliary crank and the chain wheel can change the initial point of the stressed rotation of the chain wheel, the auxiliary crank is moved to the position of the edge of the chain wheel from the position of the center shaft, the distance between the initial point of the stressed rotation of the chain wheel and a driving point is increased, the force of a user for treading a pedal is reduced under the condition of the same running speed of a bicycle, so that the labor-saving effect is achieved, the chain wheel is installed on the center shaft, when the chain wheel is installed on an outer wire sleeve, the outer wire sleeve is firstly lengthened, a second nut is additionally installed on the outer circular, the flywheel or the deep groove bearing is installed, then the chain wheel is sleeved, the bearing seat on the chain wheel is used for installing the second bearing, after the chain wheel is sleeved, the first nut is fixedly installed, the chain wheel can be fixedly completed by being clamped between the first nut and the second nut, the main crank is fixed after the chain wheel is fixed, the main crank is sleeved on the middle shaft, the locking nut is fixed on one side of the middle shaft, the main crank can be installed, meanwhile, the auxiliary crank is attached to the chain wheel, the main crank is fixed through the connecting bolt, the operation is simple, the installation is convenient, the installation and disassembly efficiency is improved, the two installation modes are suitable for vehicles of different models, and the application range is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view of the main crank and the auxiliary crank of the present invention;

FIG. 3 is a view of the structure of the crankset of the present invention;

FIG. 4 is a view of the combination of the dental plate and the outer sleeve of the present invention;

FIG. 5 is a schematic view of the whole body of the present invention

Fig. 6 is a schematic view of the structure of the outer mantle fiber pipe of the present invention.

In the figure: 1. a middle shaft; 2. a main crank; 3. a secondary crank; 4. a pedal; 5. a chain wheel; 6. a connecting bolt; 7. sleeving a wire tube; 8. a first nut; 9. a first bearing; 10. a five-way pipe; 11. a second bearing; 12. a flywheel; 13. a lock nut; 14. fixing the bolt; 15. a bearing seat; 16. a second nut; 17. and (4) fixing sleeves.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a driving device for a bicycle comprises a middle shaft 1, wherein the outer surfaces of two sides of the middle shaft 1 are movably connected with a main crank 2, the joint of the main crank 2 and the middle shaft 1 is rotatably connected with a fixing bolt 14, the outer surface of one side of the main crank 2, which is far away from the fixing bolt 14, is rotatably provided with a pedal 4, the position, close to one side, of the outer circular surface of the middle shaft 1 is fixedly connected with a second bearing 11, the outer circular surface of the second bearing 11 is fixedly connected with a chain wheel 5, the outer surface, close to the lower end, of one side of the main crank 2, which is close to the chain wheel 5 is fixedly connected with an auxiliary crank 3, the joint of the auxiliary crank 3 and the chain wheel 5 is rotatably connected with a connecting bolt 6, the position, close to the middle, of the outer surface of the middle shaft 1 is rotatably connected with an outer wire tube 7, the outer circular surface of the outer wire tube 7 is rotatably connected with a five-, a bearing seat 15 is arranged at the joint of the chain wheel 5 and the second bearing 11, and a fixed sleeve 17 is connected to the outer circular surface of the middle shaft 1 between the main crank 2 and the chain wheel 5 in a sliding manner.

Specifically, as shown in fig. 4, the part of the outer sleeve wire tube 7 extending out of the five-way tube 10 is rotatably connected with the chain wheel 5, and the chain wheel 5 is movably connected with the outer sleeve wire tube 7 and the middle shaft 1.

By adopting the technical scheme, the chain wheel 5 can be respectively arranged on the middle shaft 1 and the outer sleeve wire tube 7, and the middle shaft 1 can be arranged without being divided into different styles, so that the installation is convenient and fast.

Specifically, as shown in fig. 5 to 6, one side of the outer surface of the outer threaded pipe 7, which is far away from the five-way pipe 10, is rotatably connected with a first nut 8, one side of the outer surface of the outer threaded pipe 7, which is close to the five-way pipe 10, is rotatably connected with a second nut 16, and a flywheel 12 is rotatably installed between the outer surface of the other side of the chain wheel 5 and the second nut 16.

Through adopting above-mentioned technical scheme, first nut 8 and second nut 16 carry out the centre gripping with the dental disc 5 that is located two screw caps middles and fix, improve the stability of dental disc 5, make the improvement of whole drive arrangement's stability.

Specifically, as shown in fig. 4, the main crank 2 may be sleeved on the central shaft 1, and an outer circumferential surface of the central shaft 1 on one side of the main crank 2 is rotatably connected with a lock nut 13, and the lock nut 13 is tightly attached to an outer surface of one side of the main crank 2.

Through adopting above-mentioned technical scheme, main crank 2 can divide into two kinds with axis 1's connected mode, improves the convenience when the staff installs, reduces the limitation of the in-process of installation, improves drive arrangement's convenience.

Specifically, as shown in fig. 1, the outer surface of the outer sheath pipe 7 is connected with the five-way pipe 10 in a threaded manner, and the number of the outer sheath pipes 7 is two, and the two outer sheath pipes are respectively located at two ends of the five-way pipe 10.

By adopting the technical scheme, the inner surfaces of the two outer wire sleeves 7 are tightly attached to the middle shaft 1, so that a supporting effect is provided for the middle shaft 1, the disassembly and the replacement are convenient, and the work efficiency in the process of maintenance and disassembly is improved.

Specifically, as shown in fig. 2, the sub-crank 3 has an inverted J-shape, and the shorter side of the sub-crank 3 is in close contact with the outer surface of the crankset 5, and the sub-crank 3 and the crankset 5 are temporarily integrated by the connecting bolt 6.

Through adopting above-mentioned technical scheme, make through connecting bolt 6 fixed that main crank 2 rotates and drive chain wheel 5 through vice crank 3 and rotate for the bicycle is when riding the power that saves the user, improves the speed of riding.

Specifically, as shown in fig. 1, the number of the pedals 4 is two, and the pedals 4 located at the connecting position of the auxiliary crank 3 and the main crank 2 are connected into a whole by the main crank 2 and the auxiliary crank 3 through threaded connection.

Through adopting above-mentioned technical scheme, the user steps on footboard 4 and drives main crank 2 and vice crank 3 and all rotate, and the person of facilitating the use carries out the speed-up to it is obvious to feel when accelerating.

The working principle is as follows: when in use, firstly, a bearing seat 15 is arranged on the chain wheel 5, a second bearing 11 is arranged in the bearing seat 15, after the second bearing 11 is arranged, an outer sleeve wire tube 7 is arranged in a five-way tube 10, the middle shaft 1 is inserted from the middle position of the outer sleeve wire tube 7 to be tightly attached to a first bearing 9 arranged in the outer sleeve wire tube 7, at the moment, the outer sleeve wire tube 7 plays a role of fixing and supporting the middle shaft 1, when the chain wheel 5 is arranged, the installation can be divided into two modes, one mode is that the chain wheel 5 can be directly arranged on the middle shaft 1, the outer sleeve wire tube 7 can also be prolonged, the chain wheel 5 is arranged on the outer sleeve wire tube 7, the installation modes are various, the application range of the driving device is improved, when the chain wheel 5 is directly arranged on the middle shaft 1, after the chain wheel 5 is arranged, main cranks 2 are arranged on the outer surfaces of two sides of the middle shaft 1, when the main crank 2 arranged on one side of the chain wheel 5 is arranged, a fixed sleeve 17 is firstly on the, then, the main crank 2 is installed, the main cranks 2 positioned at two sides of the center shaft 1 are connected and fixed on the center shaft 1 through the fixing bolts 14, the outer surface of the shorter side of the auxiliary crank 3 fixedly connected with the main crank 2 is clung to the chain wheel 5 at the moment, the clung position is close to the edge of the chain wheel 5, the chain wheel 5 is fixedly connected with the auxiliary crank 3 through the connecting bolts 6, the connection mode of the auxiliary crank 3 and the chain wheel 5 can change the initial point of the forced rotation of the chain wheel 5, the auxiliary crank is moved from the position of the center shaft 1 to the position of the edge of the chain wheel 5, the distance between the initial point of the forced rotation of the chain wheel 5 and the driving point is increased, under the condition that the bicycle runs at the same speed, the force of a user for treading on the pedal 4 is reduced, so that the labor-saving effect is achieved, until the chain wheel 5 is installed on the center shaft 1, when the chain wheel 5 is installed on the outer, the method comprises the steps of additionally installing a second nut 16 on the outer circular surface of an outer threaded pipe 7 on one side, where a chain wheel 5 needs to be installed, until the second nut 16 is attached to a five-way pipe 10, installing a flywheel 12 or a deep groove bearing, then sleeving the chain wheel 5, installing a second bearing 11 on a bearing seat 15 on the chain wheel 5, fixedly installing a first nut 8 after sleeving the chain wheel 5, so that the chain wheel 5 can be fixed by clamping the first nut 8 and the second nut 16, fixing a main crank 2 after the chain wheel 5 is fixed, sleeving the main crank 2 on a middle shaft 1, fixing a locking nut 13 on one side of the middle shaft 1, so that the installation of the main crank 2 can be completed, simultaneously attaching an auxiliary crank 3 to the chain wheel 5, and fixing through a connecting bolt 6, and is simple in operation and convenient to install, the efficiency of installation and disassembly is improved, and the two installation modes are adopted, the automobile is suitable for vehicles of different models, and the application range is widened.

The using method comprises the following steps: when the installation, at first set up bearing frame 15 at the intermediate position of chain wheel 5, at bearing frame 15 internal fixation second bearing 11, then make chain wheel 5 install on axis 1, make axis 1 fixed with second bearing 11, perhaps detain outer cover wire tube 7 in axis 1, make the chain wheel 5 of fixing second bearing 11 install on outer cover wire tube 7, two kinds of mounting means, reduce the limitation of installation, the application scope of this device has been improved, make vice crank 3 and chain wheel 5 fixed connection through connecting bolt 6 at last, can accomplish the installation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. Bicycle is with drive arrangement, including axis (1), its characterized in that: the outer surfaces of two sides of the middle shaft (1) are movably connected with a main crank (2), a connecting part of the main crank (2) and the middle shaft (1) is rotatably connected with a fixing bolt (14), a position, far away from the fixing bolt (14), of the outer surface of one side of the main crank (2) is rotatably provided with a pedal (4), a position, close to one side, of the outer circular surface of the middle shaft (1) is fixedly connected with a second bearing (11), the outer circular surface of the second bearing (11) is fixedly connected with a chain wheel (5), a position, close to the lower end, of the outer surface of one side of the main crank (2) close to the chain wheel (5) is fixedly connected with an auxiliary crank (3), a connecting bolt (6) is rotatably connected with the connecting part of the auxiliary crank (3) and the chain wheel (5), a position, close to the middle, of the outer surface of the middle shaft (1) is rotatably connected with an outer, the connecting part of the inner surface of the outer screw pipe (7) and the middle shaft (1) is rotatably connected with a first bearing (9), the connecting part of the chain wheel (5) and the second bearing (11) is provided with a bearing seat (15), and the outer circular surface of the middle shaft (1) between the main crank (2) and the chain wheel (5) is slidably connected with a fixed sleeve (17).

2. The bicycle drive apparatus according to claim 1, wherein: the part of the outer sleeve wire tube (7) extending out of the five-way tube (10) is rotatably connected with the chain wheel (5), and the chain wheel (5) is movably connected with the outer sleeve wire tube (7) and the middle shaft (1).

3. The bicycle drive apparatus according to claim 1, wherein: the surface of outer wire tube (7) is kept away from one side rotation of five-way pipe (10) and is connected with first nut (8), the surface of outer wire tube (7) is close to one side rotation of five-way pipe (10) and is connected with second nut (16), rotate between chain wheel (5) opposite side surface and second nut (16) and install flywheel (12).

4. The bicycle drive apparatus according to claim 1, wherein: the main crank (2) can be sleeved on the middle shaft (1), the outer circular surface of the middle shaft (1) on one side of the main crank (2) is rotatably connected with a lock nut (13), and the lock nut (13) is tightly attached to the outer surface of one side of the main crank (2).

5. The bicycle drive apparatus according to claim 1, wherein: the outer surface of the outer sleeve wire pipe (7) is in threaded connection with the five-way pipe (10), and the number of the outer sleeve wire pipes (7) is two and the outer sleeve wire pipes are respectively located at two ends of the five-way pipe (10).

6. The bicycle drive apparatus according to claim 1, wherein: the auxiliary crank (3) is in an inverted J shape, the shorter side of the auxiliary crank (3) is tightly attached to the outer surface of the chain wheel (5), and the auxiliary crank (3) and the chain wheel (5) are temporarily integrated through a connecting bolt (6).

7. The bicycle drive apparatus according to claim 1, wherein: the number of the pedals (4) is two, and the pedals (4) positioned at the connecting position of the auxiliary crank (3) and the main crank (2) are connected into a whole by the main crank (2) and the auxiliary crank (3) through threaded connection.