CN216660185U

CN216660185U - Bicycle flywheel set capable of saving labor

Info

Publication number: CN216660185U
Application number: CN202123266315.5U
Authority: CN
Inventors: 夏凡
Original assignee: Yancheng Dafeng Yonghe Automobile Co ltd
Current assignee: Yancheng Dafeng Yonghe Automobile Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-03
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a labor-saving bicycle flywheel set which comprises a ratchet wheel, wherein an output block is fixedly connected to the side surface of the ratchet wheel, an output gear is connected to the side surface of the output block in a transmission manner, transmission gears are connected to the outer edge of the output gear in a transmission manner, the gears are mutually connected, a rotating shaft is fixedly connected to the inner portion of the transmission gear, a sleeve is movably connected to the side surface of the rotating shaft, away from the transmission gear, and a connecting shaft is fixedly connected to the inner portion of the sleeve, away from the rotating shaft. The utility model realizes more labor saving when the flywheel set is used by arranging the output block, the transmission wheel, the output gear and the rotating shaft, adopts a chain and gear double transmission mode, drives the output block to rotate when the ratchet wheel rotates, drives the rotating shaft to rotate through the output gear when the output block rotates, so that the transmission wheel drives the flywheel set to rotate, the gear drives the flywheel set to rotate, the energy loss during transmission is less, and the stability of the flywheel set is kept by matching with chain transmission, thereby having more practicability.

Description

Bicycle flywheel set capable of saving labor

Technical Field

The utility model relates to the technical field of bicycle flywheels, in particular to a bicycle flywheel set capable of saving labor.

Background

The flywheel of the bicycle is a key part of the whole bicycle, and the difference of the mass of the flywheel directly influences the overall performance of the bicycle. The flywheel is a key part in the bicycle driving system and is also an easy-to-consume product, the bicycle flywheel is divided into a multistage flywheel and a single-stage flywheel, the multistage flywheel is based on the single-stage flywheel, and a plurality of flywheel pieces are added to be combined with a chain wheel on a middle shaft to form various transmission ratios, so that the speed of the bicycle is changed.

Traditional bicycle flywheel is through carrying out the transmission with chain and ratchet when using, when adopting chain drive, can lose a large amount of ability even to it is more hard when rotating to cause the flywheel group, reduces the speed that the bicycle went, and is more hard when stepping on the bicycle.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a bicycle flywheel assembly with labor saving, which solves the above-mentioned problems of the prior art.

The utility model provides the following technical scheme: a labor-saving bicycle flywheel set comprises a ratchet wheel, wherein an output block is fixedly connected to the side face of the ratchet wheel, an output gear is connected to the side face of the output block in a transmission mode, transmission gears are connected to the outer edge of the output gear in a transmission mode, the gears are mutually connected, a rotating shaft is fixedly connected to the inner portion of the transmission gear, the side face, away from the transmission gears, of the rotating shaft is movably connected with a sleeve, a connecting shaft is fixedly connected to the inner portion, away from the rotating shaft, of the sleeve, a gear inner ring is fixedly connected to one side, away from the sleeve, of the connecting shaft, a connecting cylinder is movably connected to the outer side of the gear inner ring, the side face of the connecting cylinder is movably connected with a transmission wheel, a rotating shaft is fixedly connected to the inner portion of the transmission wheel, and the side face, away from the transmission wheel, of the rotating shaft is fixedly connected with a flywheel set;

further, the both ends fixedly connected with gag lever post of drive gear one side is kept away from in the pivot, the connecting axle has been close to the side of gag lever post and has been seted up and has been kept away a hole, the gag lever post is located keeping away a downthehole of connecting axle, the pivot is the same with the connecting axle diameter, the clearing hole has all been seted up to the pivot with the inside of connecting axle, be equipped with the removal axle in the clearing hole of pivot and connecting axle, removal axle and pivot swing joint, the side and the connecting axle fixed connection of pivot are kept away from to the removal axle, the gag lever post is close with the hole diameter of keeping away of connecting axle, and the diameter of gag lever post is slightly littleer to guarantee that gag lever post and sleeve can guarantee the relative stability of connecting axle position.

Further, the outside fixedly connected with connecting cylinder of gear inner circle, the spacing groove has been seted up to the inside of connecting cylinder, the first electro-magnet of spacing groove bottom fixedly connected with of connecting cylinder, the top fixedly connected with stopper of connecting cylinder spacing groove, the bottom fixedly connected with second electro-magnet of stopper, the top fixedly connected with sloping block of stopper, the sloping block is close to drive gear's side and has seted up the chamfer, the chamfer of sloping block is forty-five degrees contained angle with the side of drive wheel, first electro-magnet is the same with the contact surface magnetic pole of second electro-magnet to produce the magnetic repulsion force, make first electro-magnet can guarantee that the second electro-magnet drives the sloping block card and goes into the movable groove to the drive wheel for the drive wheel can rotate.

Furthermore, the output gear is fixedly connected with an output shaft, the two sides of the output shaft are movably connected with a rotary drum, the side face, far away from the ratchet wheel, of the rotary drum is fixedly connected with a connecting block, the side face, far away from the rotary drum, of the rotary drum is fixedly connected with a bearing, the inside of the bearing is fixedly connected with the side face of the rotating shaft, the two sides of the bearing can be provided with sealing rings to prevent dust from entering, and the number of the bearings is two, so that the stability of the output gear and the transmission gear during rotation is ensured.

Further, two fixed plates of middle part fixedly connected with of pivot side, two keep away from the side and the automobile body fixed connection of pivot, the fixed plate is connected through the bearing with the pivot, establishes to two through the quantity of fixed plate to it is more steady when carrying out the transmission to guarantee the pivot, can not take place to rock.

Furthermore, a group movable groove is formed in the side face of the driving wheel, the flywheel groups are set as groups, the diameter of each group of flywheel groups is the same as the distance from the movable groove in the side face of the driving wheel to the circle center, and the group number of the movable grooves of the driving wheel is the same as the theoretical group number of the flywheel groups, so that the flywheel groups can be matched.

The utility model has the technical effects and advantages that:

1. the flywheel set is more labor-saving when in use by arranging the output block, the transmission wheel, the output gear and the rotating shaft, the output block is driven to rotate by the rotation of the ratchet wheel in a chain and gear double transmission mode, the rotating shaft is driven to rotate by the output gear when the output block rotates, so that the transmission wheel drives the flywheel set to rotate, the flywheel set is driven to rotate by a gear transmission mode, the energy loss during transmission is less, and the stability of the flywheel set is kept by the aid of the chain transmission, so that the flywheel is more labor-saving when in use.

2. The flywheel driving device is provided with the limiting rod, the sleeve, the connecting shaft and the moving shaft, so that the rotating speed ratio of the flywheel can be adjusted conveniently, the moving shaft is pulled to drive the connecting shaft to move, the position of the connecting shaft is fixed by the limiting rod and the sleeve, the connecting shaft is enabled to move more stably, the connecting shaft drives the inner ring of the gear to move, the gear and the driving wheel form different transmission ratios, and the flywheel set is matched, so that riding is more stable.

3. The oblique block is arranged in the movable groove of the driving wheel, the oblique block is provided with an oblique angle, the oblique block drives the limiting block to move, and the oblique block moves from one circle of the movable groove to the other circle of the driving wheel, so that the rotating speed ratio is adjusted, and the adjusting process is simpler and labor-saving.

Drawings

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

Fig. 2 is a back view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of an output structure of the present invention.

Fig. 4 is a schematic diagram of the moving structure of the present invention.

Fig. 5 is a schematic diagram of a bit avoiding structure according to the present invention.

The reference signs are: 1. a ratchet wheel; 2. an output block; 3. an output gear; 4. a transmission gear; 5. a rotating shaft; 6. a flywheel set; 7. a rotating shaft; 8. a driving wheel; 9. an output shaft; 10. a rotating drum; 11. connecting blocks; 12. a bearing; 13. a fixing plate; 14. a limiting rod; 15. a sleeve; 16. a connecting shaft; 17. a movable shaft; 18. an inner ring of the gear; 19. a connecting cylinder; 20. a first electromagnet; 21. a second electromagnet; 22. a limiting block; 23. a sloping block; 24. a connecting plate.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, and the embodiments of the present invention are merely examples, and the power saving bicycle flywheel set according to the present invention is not limited to the embodiments described below, and all other embodiments obtained by those skilled in the art without any creative work are within the scope of the present invention.

The first embodiment is as follows: referring to fig. 1 and 2, the utility model provides a labor-saving bicycle flywheel set, which comprises a ratchet wheel 1, wherein an output block 2 is fixedly connected to the side surface of the ratchet wheel 1, an output gear 3 is connected to the side surface of the output block 2 in a transmission manner, a transmission gear 4 is connected to the outer edge of the output gear 3 in a transmission manner, the gears are mutually connected, a rotating shaft 5 is fixedly connected to the inner part of the transmission gear 4, a sleeve 15 is movably connected to the side surface of the rotating shaft 5, which is far away from the transmission gear 4, a connecting shaft 16 is fixedly connected to the inner part of the sleeve 15, a gear inner ring 18 is fixedly connected to one side, which is far away from the sleeve 15, of the connecting shaft 16, a connecting cylinder 19 is movably connected to the outer side of the gear inner ring 18, a transmission wheel 8 is movably connected to the side surface of the connecting cylinder 19, a rotating shaft 7 is fixedly connected to the inner part of the transmission wheel 8, and a flywheel set 6 is fixedly connected to the side surface, which is far away from the transmission wheel 8, of the rotating shaft 7;

referring to fig. 4, both ends fixedly connected with gag lever post 14 of pivot 5 one side far away from drive gear 4, spacing hole has been seted up to the side that connecting axle 16 is close to gag lever post 14, gag lever post 14 is located the spacing hole of avoiding of connecting axle 16, pivot 5 is the same with connecting axle 16 diameter, the clearing hole has all been seted up to pivot 5 and the inside of connecting axle 16, be equipped with in the clearing hole of pivot 5 and connecting axle 16 and remove axle 17, remove axle 17 and pivot 5 swing joint, remove axle 17 and keep away from the side and connecting axle 16 fixed connection of pivot 5.

Referring to fig. 4, a connecting cylinder 19 is fixedly connected to the outer side of the gear inner ring 18, a limiting groove is formed in the connecting cylinder 19, a first electromagnet 20 is fixedly connected to the bottom end of the limiting groove of the connecting cylinder 19, a limiting block 22 is fixedly connected to the top end of the limiting groove of the connecting cylinder 19, a second electromagnet 21 is fixedly connected to the bottom end of the limiting block 22, an inclined block 23 is fixedly connected to the top end of the limiting block 22, a chamfer is formed on the side surface, close to the transmission gear 4, of the inclined block 23, an included angle of forty-five degrees is formed between the chamfer of the inclined block 23 and the side surface of the transmission wheel 8, when the gear inner ring 18 moves, the inclined block 23 moves in the connecting cylinder 19 through the chamfer of the inclined block 23, the first electromagnet 20 is close to the second electromagnet 21, the inclined block 23 moves into the movable groove of the next transmission wheel 8, the inclined block 23 enters the movable groove of the transmission wheel 8, the first electromagnet 20 enables the second electromagnet 21 to drive the inclined block 23 to be clamped into the movable groove of the transmission wheel 8, the rotating speed ratio is convenient to adjust.

Referring to fig. 3, output gear 3's inside fixedly connected with output shaft 9, output shaft 9's both sides swing joint has rotary drum 10, ratchet 1's side fixedly connected with connecting block 11 is kept away from to rotary drum 10, rotary drum 10 is kept away from rotary drum 10's side fixedly connected with bearing 12, bearing 12's inside and pivot 5's side fixed connection, it rotates to drive gear 4 through output gear 3, can make drive gear 4's diameter less, can not influence people's normal seven stars, make this equipment more have the practicality.

Referring to fig. 4, two fixing plates 13 are fixedly connected to the middle of the side of the rotating shaft 5, two sides far away from the rotating shaft 5 are fixedly connected with the vehicle body, the fixing plates 13 are connected with the rotating shaft 5 through bearings, and the rotating shaft 5 and the fixing plates 13 are connected through the bearings, so that energy damage when the rotating shaft 5 rotates is small, and the rotating shaft 5 is fixed through the fixing plates 13 and is driven.

Referring to fig. 1 and 2, 4 sets of movable grooves are formed in the side surface of the driving wheel 8, the flywheel sets 6 are set as 4 sets, the diameter of each set of flywheel sets 6 is the same as the distance from the movable groove in the side surface of the driving wheel 8 to the circle center, and when the chain is positioned in one set of flywheels in the flywheel sets 6, the connecting cylinder 19 is positioned in the corresponding movable groove, so that the rotating speed ratio of the connecting cylinder is the same, and the bicycle can run stably.

The working principle of the first embodiment of the utility model is as follows: the ratchet 1 drives the output block 2 to rotate when rotating, the output block 2 drives the output gear 3 to rotate, the output gear 3 drives the transmission gear 4 to rotate, the transmission gear 4 drives the inner rotating shaft 5 to rotate when rotating, the rotating shaft 5 drives the connecting shaft 16 to rotate through the limiting rod 14 and the sleeve 15, the connecting shaft 16 rotates to drive the gear inner ring 18 to rotate, the gear inner ring 18 rotates to drive the connecting cylinder 19 to rotate, the connecting cylinder 19 rotates to drive the limiting block 22 to rotate, and further drives the inclined block 23 to rotate, the inclined block 23 rotates to drive the transmission wheel 8 to rotate, the transmission wheel 8 drives the flywheel set 6 to rotate through the rotating shaft 7, so that the flywheel set 6 is more labor-saving when rotating, the connecting shaft 16 can be driven to move by the moving shaft 17, the connecting shaft 16 drives the connecting cylinder 19 to move through the gear inner ring 18, at the inclined block 23 is pressed into the connecting cylinder 19 and moves to the other circle of moving groove of the transmission wheel 8, the first electromagnet 20 drives the second electromagnet 21 to drive the inclined block 23 to reset, so that the inclined block 23 drives the transmission wheel 8 to rotate, and the adjustment of the rotation ratio of the flywheel set is completed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A bicycle flywheel set capable of saving labor comprises a ratchet wheel (1) and is characterized in that: the side face of the ratchet wheel (1) is fixedly connected with an output block (2), the side face of the output block (2) is connected with an output gear (3) in a transmission manner, the outer edge of the output gear (3) is connected with a transmission gear (4) in a transmission manner, the gears are mutually connected, the inner portion of the transmission gear (4) is fixedly connected with a rotating shaft (5), the side face of the rotating shaft (5) far away from the transmission gear (4) is movably connected with a sleeve (15), the inner portion of the sleeve (15) far away from the rotating shaft (5) is fixedly connected with a connecting shaft (16), one side of the connecting shaft (16) far away from the sleeve (15) is fixedly connected with a gear inner ring (18), the outer side of the gear inner ring (18) is movably connected with a connecting cylinder (19), the side face of the connecting cylinder (19) is movably connected with a transmission wheel (8), and the inner portion of the transmission wheel (8) is fixedly connected with a rotating shaft (7), the side surface of the rotating shaft (7) far away from the driving wheel (8) is fixedly connected with a flywheel set (6).

2. A power saving bicycle freewheel assembly according to claim 1 characterized in that: both ends fixedly connected with gag lever post (14) of drive gear (4) one side are kept away from in pivot (5), the side that connecting axle (16) is close to gag lever post (14) has been seted up and has been kept away the position hole, gag lever post (14) are located keeping away the position hole of connecting axle (16), pivot (5) are the same with connecting axle (16) diameter, the clearing hole has all been seted up with the inside of connecting axle (16) in pivot (5), be equipped with in the clearing hole of pivot (5) and connecting axle (16) and remove axle (17), remove axle (17) and pivot (5) swing joint, the side and connecting axle (16) fixed connection of pivot (5) are kept away from in removal axle (17).

3. A power saving bicycle freewheel assembly according to claim 1 characterized in that: the outside fixedly connected with connecting cylinder (19) of gear inner circle (18), the spacing groove has been seted up to the inside of connecting cylinder (19), the first electro-magnet (20) of spacing groove bottom fixedly connected with of connecting cylinder (19), top fixedly connected with stopper (22) of connecting cylinder (19) spacing groove, bottom fixedly connected with second electro-magnet (21) of stopper (22), top fixedly connected with sloping block (23) of stopper (22), the chamfer has been seted up to the side that sloping block (23) are close to drive gear (4), the chamfer of sloping block (23) is forty-five degrees contained angle with the side of drive wheel (8).

4. A power saving bicycle freewheel assembly according to claim 1 characterized in that: the ratchet wheel mechanism is characterized in that an output shaft (9) is fixedly connected to the inside of the output gear (3), rotary drums (10) are movably connected to the two sides of the output shaft (9), connecting blocks (11) are fixedly connected to the side faces, far away from the ratchet wheel (1), of the rotary drums (10), bearings (12) are fixedly connected to the side faces, far away from the rotary drums (10), of the rotary drums (10), and the inside of the bearings (12) is fixedly connected with the side faces of the rotating shaft (5).

5. A power saving bicycle freewheel assembly according to claim 1 characterized in that: two fixed plates (13) of middle part fixedly connected with of pivot (5) side, two keep away from the side and the automobile body fixed connection of pivot (5), fixed plate (13) are connected through the bearing with pivot (5).

6. A power saving bicycle freewheel assembly according to claim 1 characterized in that: the side of the driving wheel (8) is provided with 4 groups of movable grooves, the flywheel groups (6) are arranged into 4 groups, the diameter of each flywheel group (6) is the same as the distance from the movable groove on the side of the driving wheel (8) to the circle center, and when the chain is positioned on a group of flywheels in the flywheel groups (6), the connecting cylinder (19) is positioned in the corresponding movable groove.