阅读说明：本技术 一种自行车摆杆驱动机构 (Bicycle pendulum rod actuating mechanism ) 是由 杜洁 乔云帆 其他发明人请求不公开姓名 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种自行车摆杆驱动机构,包括一对脚踏、驱动摆杆、驱动轴、随动摆杆、支架、第一锥齿轮、第二锥齿轮、第三锥齿轮和牙盘,其中,通过驱动左右脚踏的上下摆动,带动驱动摆杆的摆动及驱动轴的顺时针和逆时针转动,分别通过单向离合器驱动第一锥齿轮和第二锥齿轮转动,由第一锥齿轮和第二锥齿轮交替驱动第三锥齿轮转动,由第三锥齿轮带动牙盘共同转动,再由牙盘驱动自行车的链条、飞轮、后轮转动,另外,通过所述自行车摆杆驱动机构中设置的四边形的连杆机构,使脚踏的脚踏面在摆动过程中始终处于水平状态。本发明的自行车具有传动效率高,操作简单的特点,适合坐骑、站立骑行或坐站交替骑行。(The invention discloses a bicycle swing rod driving mechanism, which comprises a pair of pedals, a driving swing rod, a driving shaft, a follow-up swing rod, a bracket, a first bevel gear, a second bevel gear, a third bevel gear and a toothed disc, wherein the left pedal and the right pedal are driven to swing up and down to drive the driving swing rod and the driving shaft to rotate clockwise and anticlockwise, the first bevel gear and the second bevel gear are driven to rotate respectively through a one-way clutch, the third bevel gear and the second bevel gear are driven to rotate alternately, the third bevel gear drives the toothed disc to rotate together, and then the toothed disc drives a chain, a flywheel and a rear wheel of a bicycle to rotate. The bicycle has the characteristics of high transmission efficiency and simple operation, and is suitable for sitting and riding, standing and riding or sitting and standing alternately.)

1. The utility model provides a bicycle pendulum rod actuating mechanism which characterized in that: comprises two pedals (2, 2a), a driving swing rod (3), a driving shaft (4), a follow-up swing rod (5), a bracket (6), a first bevel gear (7), a second bevel gear (8), a third bevel gear (9) and a chain wheel (10);

the two pedals (2 and 2a) are respectively hinged with two ends of a driving swing rod (3) and two ends of a follow-up swing rod (5), the middle part of the follow-up swing rod (5) is hinged with a support (6), the middle part of the driving swing rod (3) is fixedly connected with a driving shaft (4), the driving shaft (4) is supported by bearings (6a and 6b) arranged on the support (6), a first bevel gear (7) and a second bevel gear (8) are installed on the driving shaft (4), one-way clutches (7a and 8a) are respectively embedded in the first bevel gear (7) and the second bevel gear (8), the directions of unidirectional torque transmission are opposite, the first bevel gear (7) and the second bevel gear (8) are simultaneously meshed with a third bevel gear (9), and the third bevel gear (9) is fixedly connected with a toothed disc (10);

the support (6), the driving swing rod (3), the follow-up swing rod (5), the pedal (2) and the pedal (2a) form two parallelogram link mechanisms with the support (6) as a shared edge in a vertical plane, and the pedal surface (2b) of the pedal (2) and the pedal surface (2c) of the pedal (2a) are always in a horizontal state in the swinging process.

2. The bicycle pendulum drive mechanism according to claim 1, wherein the carrier (6) supports the drive shaft (4) via bearings (6a, 6b) arranged on the carrier (6), and the third bevel gear (9) is supported by a pin (11) in a fixed position, the carrier (6) being hinged to the middle of the follower pendulum (5).

3. The bicycle rocker driving mechanism according to claim 1, wherein the pedals (2) and (2a) are respectively provided with pedal faces (2b) and pedal faces (2c) and connecting holes arranged up and down for connecting the pedals below the pedal faces, the pedal faces are respectively hinged with two ends of the driving rocker (3) through the upper connecting holes and hinged with two ends of the follow-up rocker (5) through the lower connecting holes, the pedal faces (2b) and the pedal faces (2c) are provided with anti-skid faces, and the surfaces of the pedal faces (2b) and the pedal faces (2c) can be provided with anti-skid patterns or non-metallic anti-skid materials.

4. The bicycle pendulum drive mechanism according to claim 1, wherein the one-way clutches (7a, 8a) embedded in the first and second bevel gears (7, 8) are one-way bearings or one-way ratchets or members having a characteristic of transmitting torque in one direction and relatively rotating in opposite directions without transmitting torque, and the first and second bevel gears (7, 8) are mounted on the drive shaft (4) through the embedded one-way clutches (7a, 8a), respectively.

5. The bicycle pendulum drive mechanism according to claim 1, characterized in that the third bevel gear (9) is supported in an articulated manner on a bracket (6).

6. The bicycle pendulum drive mechanism according to claim 1, wherein the third bevel gear (9) is threadedly connected to the chain wheel (10) in a direction opposite to the direction in which the chain wheel (10) drives the bicycle forward.

7. The bicycle pendulum drive mechanism according to claim 1, wherein the drive pendulum (3) or the carrier (6) is provided with a stop (3a), wherein the stop (3a) is in contact with the carrier (6) or the drive pendulum (3) in the extreme pendulum position of the drive pendulum (3), and wherein the stop is preferably made of an elastic, non-metallic material.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of bicycles, in particular to a bicycle swing rod driving mechanism.

[ background of the invention ]

As a green environment-friendly vehicle, a driving system of a bicycle generally: the bicycle consists of pedals, a crank, a middle shaft, a chain wheel, a chain, a flywheel, a rear shaft, a rear wheel and the like; a chain wheel and two cranks with an included angle of 180 degrees are arranged on a middle shaft, and the driving mode is as follows: the two feet of the rider pedal the pedals mounted on the crank respectively to drive the crank to do circular motion, and simultaneously drive the middle shaft and the chain wheel to rotate, and then drive the rear wheel to rotate through the chain, the flywheel and the rear shaft, so that the bicycle continuously moves forward.

The above driving method has disadvantages: when the two pedals are respectively positioned in the high point area and the low point area of the circular motion track, a rider has to adopt the forces of rotating the ankle and pushing one foot forwards and pulling the other foot backwards to drive the pedals to continue circular motion, the driving efficiency in the area is low, the physical power of the rider is wasted, and the rider is more difficult to ride on an uphill road.

[ summary of the invention ]

The invention aims to overcome the existing problems and provides a bicycle swing rod driving mechanism which replaces parts such as pedals, cranks, middle shafts, cranks and the like in the existing bicycle driving system, drives a bicycle by driving a chain, a flywheel and a rear wheel of the bicycle to rotate through the cranks in the mechanism, has the characteristics of high transmission efficiency and simple operation, is suitable for sitting and riding, standing and riding or sitting and standing alternately riding, and can bring relaxed and free experience to riders.

The purpose of the invention is realized by the following technical scheme:

a bicycle swing rod driving mechanism comprises a pair of pedals, a driving swing rod, a driving shaft, a follow-up swing rod, a bracket, a first bevel gear, a second bevel gear, a third bevel gear and a chain wheel;

the support and the frame are connected by bolts or welding, bearings are respectively arranged in the middle and the rear of the support, the driving shaft is supported by the two bearings, and the side part of the support is hinged with the third bevel gear by a pin shaft;

the driving shaft is supported by two bearings on the bracket, one end of the driving shaft is provided with the first bevel gear and the second bevel gear, and the other end of the driving shaft is fixedly connected with the middle part of the driving swing rod and alternately rotates clockwise and anticlockwise along with the swing of the driving swing rod;

the middle part of the driving swing rod is fixedly connected with one end of the driving shaft, and two ends of the driving swing rod are respectively hinged with the pedals;

the middle part of the follow-up swing rod is hinged with the bracket, and two ends of the follow-up swing rod are respectively hinged with the pedals;

the pair of pedals are provided with pedal faces and connecting holes which are arranged up and down and used for mounting the pedals, the pedals are respectively hinged with two ends of the driving swing rod through the upper connecting holes, and are respectively hinged with two ends of the follow-up swing rod through the two lower connecting holes;

in the bicycle swing rod driving mechanism, the support, the driving swing rod, the follow-up swing rod and the pair of pedals are connected through the connection, and the support, the driving swing rod, the follow-up swing rod and the pair of pedals form a linkage mechanism of two parallelograms with the support as a shared edge in a vertical plane;

the first bevel gear comprises a first bevel gear body and a one-way clutch embedded in the first bevel gear body, the one-way clutch can be a one-way bearing or a one-way ratchet or a member with the characteristics of one-way transmission of torque and relative rotation in opposite directions without transmission of torque, the first bevel gear is installed on the driving shaft through the one-way clutch, and when the rotation direction of the driving shaft is consistent with the torque transmission direction of the one-way clutch, the driving shaft drives the first bevel gear to rotate;

the second bevel gear comprises a second bevel gear body and a one-way clutch embedded in the second bevel gear body, the one-way clutch can be a one-way bearing or a one-way ratchet or a component with the characteristics of one-way torque transmission and relative rotation in the opposite direction without torque transmission, the second bevel gear is arranged on the driving shaft through the one-way clutch, and when the rotation direction of the driving shaft is consistent with the torque transmission direction of the one-way clutch, the driving shaft drives the second bevel gear to rotate;

the directions of torque transmission of the one-way clutches respectively embedded in the first bevel gear and the second bevel gear are opposite, and only one of the first bevel gear and the second bevel gear is driven by the driving shaft to rotate and transmit torque no matter the driving shaft rotates clockwise or anticlockwise;

the third bevel gear is positioned on the side part of the driving shaft, is hinged and fixed on the bracket through a pin shaft, is vertical to the driving shaft, and is simultaneously meshed with the first bevel gear and the second bevel gear at two sides;

the chain wheel is fixedly connected to the third bevel gear, rotates along with the third bevel gear, and drives a chain, a flywheel and a rear wheel of the bicycle to rotate; the torque transmission direction of the one-way clutch inlaid in the first bevel gear and the one-way clutch inlaid in the second bevel gear is set, so that the rotating direction of the third bevel gear and the chain wheel is consistent with the forward rotating direction of a rear wheel of the bicycle, and the purpose of driving the bicycle forward is achieved.

The working principle of the bicycle swing rod driving structure is as follows:

when the bicycle is ridden, the two pedals of a rider step on the two pedals respectively, the pedals are stepped downwards alternately, so that the driving swing rod swings to drive the driving shaft to rotate clockwise and anticlockwise alternately, the driving shaft drives the one-way clutches embedded in the first bevel gear and the second bevel gear to rotate alternately, namely the first bevel gear and the second bevel gear are driven to rotate alternately, the first bevel gear and the second bevel gear drive the third bevel gear to rotate in the same direction alternately, the third bevel gear drives the crankset to rotate together, and finally the crankset drives the chain, the flywheel and the rear wheel of the bicycle to rotate so as to drive the bicycle to move forwards.

Furthermore, because the pedal surface in the bicycle swing rod driving mechanism is always kept in a horizontal state in the driving process, namely the pedal surface in the riding process is always kept in the horizontal state, the bicycle is easy to operate, is suitable for being ridden by a rider, standing or alternately riding by the rider and can bring relaxed and free experience to the rider.

Furthermore, the driving swing rod driven by the pedal takes the driving shaft as the center and swings up and down at the central horizontal height position, and the downward force applied by the rider to the pedal generates the maximum torque at the central height position of the driving shaft, so that the riding efficiency is improved; in addition, in the limit swing range of the driving swing rod, a rider can freely control the left-right swing amplitude, so that the riding becomes a free and pleasant experience.

According to the preferred scheme, the stop gear is arranged on the driving swing rod or the support, when the driving swing rod is in the limit swing position, the stop gear is in contact with the driving swing rod or the support, the limiting and buffering effects are achieved, the riding comfort is improved, and the stop gear is preferably made of elastic non-metal materials;

according to the preferable scheme of the invention, the pedal surface of the pedal is provided with an anti-skid surface, the surface can be provided with anti-skid patterns, and non-metal anti-skid materials can be selected, so that the riding safety and comfort are improved.

[ description of the drawings ]

The invention is explained in detail below by way of example on the basis of the figures.

FIG. 1 schematically illustrates a side view of a bicycle swing link drive mechanism and a bicycle

FIG. 2 schematically illustrates a top view of a bicycle swing link drive mechanism and bicycle

FIG. 3 is a schematic structural view of a bicycle swing link driving mechanism

FIG. 4 is a sectional view taken along line A-A of FIG. 3

FIG. 5 is a sectional view taken along line B-B of FIG. 1

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5

FIG. 7 shows a schematic view of a drive pendulum

FIG. 8 is a top view of FIG. 7

FIG. 9 is a schematic view of a position of the bicycle pendulum drive mechanism swing

List of reference numerals:

1 bicycle pendulum rod driving mechanism

2 foot pedal

2a pedal

2b pedal surface

2c pedal surface

2d connecting plate 1

2e connecting plate 2

3 drive pendulum rod

3a stop

3b jacket

3c swing arm

3d connecting sleeve

4 drive shaft

4a key

4b bond

5 follow-up swing rod

6 support

6a bearing

6b bearing

7 first bevel gear

7a one-way clutch

8 second bevel gear

8a one-way clutch

9 third bevel gear

9a bearing

9b screw thread

10 chain wheel

11 pin shaft

11a thread

12 pin shaft

13 vehicle frame

14 screw

15 upper rotating shaft

15a upper rotating shaft

16 self-locking nut

17 lower rotating shaft

17a lower rotary shaft

18 self-locking nut

19 washer

20 screw

21 axle sleeve

22 spacer bush

22a spacer bush

23 distance sleeve

24 chain

25 flywheel

26 rear wheel

[ detailed description ] embodiments

In order to make those skilled in the art understand the technical solutions of the present invention well, the following further describes the present invention with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1 to 5, a bicycle swing link driving mechanism (1) comprises a pedal (2), a pedal (2a), a driving swing link (3), a driving shaft (4), a follow-up swing link (5), a bracket (6), a first bevel gear (7), a second bevel gear (8), a third bevel gear (9) and a chain wheel (10).

Wherein, support (6) pass through screw (14) with frame (13) and couple, set up bearing (6a), bearing (6b) respectively at support (6) middle part and rear portion, support (6) are through bearing (6a), bearing (6b) support drive shaft (4), the lateral part and the third bevel gear (9) of support (6) adopt round pin axle (11) to carry out articulated connection, the middle part of follow-up pendulum rod (5) is connected through round pin axle (12) in support (6) lower part, support (6) can be the casting, also can adopt the sheet metal component to combine to form.

Referring to fig. 5, 6 and 9, a preferred structure of the pedal (2) and the pedal (2a) is shown, the pedal (2) and the pedal (2a) are respectively provided with a pedal surface (2b), a pedal surface (2c), a connecting plate 1(2d) and a connecting plate 2(2e), the pedal (2) and the pedal (2a) are preferably made of casting or combination of sheet metal parts, the connecting plate 2(2e) is respectively provided with an upper hole and a lower hole, the connecting plate 1(2d) is provided with a hole and is coaxial with the upper hole of the connecting plate 2(2e), and an upper rotating shaft (15) and an upper rotating shaft (15a) are respectively connected with two ends of the driving swing rod (3) through the hole of the connecting plate 1(2d) and the upper hole of the connecting plate 2(2e) and are axially positioned through a self-locking nut (16); a lower rotating shaft (17) and a lower rotating shaft (17a) are respectively connected with two ends of a follow-up swing rod (5) through lower holes of a connecting plate (2e) and are axially positioned through a self-locking nut (18); the connection through the upper rotating shaft (15), the upper rotating shaft (15a), the lower rotating shaft (17) and the lower rotating shaft (17a) is hinged.

Referring to fig. 7 and 8, a preferred structure of the driving swing rod (3) is shown, the driving swing rod (3) comprises a jacket (3b) in the middle, two symmetrically distributed swing arms (3c) and two symmetrically distributed connecting sleeves (3d), and the driving swing rod (3) is formed by welding.

Referring to fig. 4, 5 and 7, the middle jacket (3b) of the driving swing rod (3) is fixedly connected with the driving shaft (4) and drives the driving shaft (4) to rotate, and connecting sleeves (3d) at two ends of the driving swing rod (3) are respectively connected with the pedals (2) and (2a) through the upper rotating shaft (15) and the upper rotating shaft (15 a).

Referring to fig. 4, 5 and 6, the middle part and two ends of the follow-up swing rod (5) are respectively provided with a hole, the holes in the middle part are hinged to the bracket (6) through a pin shaft (12), the follow-up swing rod (5) can rotate around the pin shaft (12), a gasket (19) for preventing friction is arranged between the follow-up swing rod (5) and the bracket (6), and the follow-up swing rod (5) is respectively connected with the pedal (2) and the pedal (2a) through the holes in the two ends by a lower rotating shaft (17) and a lower rotating shaft (17 a).

Referring to fig. 5, 7 and 9, the distance from the center of the jacket (3b) of the driving swing rod (3) to the center of the connecting sleeve (3d) at the two ends and the distance from the center of the hole in the middle of the servo swing rod (5) to the center of the hole at the two ends are both equal, and the distance from the center of the jacket (3b) of the driving swing rod (3) to the center of the hole in the middle of the fixed servo swing rod (5) and the distance from the centers of the upper and lower holes of the pedal (2) and the pedal (2a) are both equal, so that in the bicycle swing rod driving mechanism (1), the bracket (6), the driving swing rod (3), the servo swing rod (5), the pedal (2) and the pedal (2a) are connected through the connection, and form two parallelogram connecting rod mechanisms with the bracket (6) as a shared side in a vertical plane, and the pedal (2b) of the pedal (2) and the pedal (2a) can swing through the pedal (2c) in a swinging mode because the bracket (6) is fixed and vertical side The process is always in a horizontal state.

Referring to fig. 3 and 4, the driving shaft (4) is supported by the bearing (6a) and the bearing (6b) on the bracket (6), is clamped and fixed with a jacket (3b) of a driving swing rod (3) through a screw (20), a shaft sleeve (21) is arranged between a bearing (6a) and the jacket (3b), a first bevel gear (7) and a second bevel gear (8) are installed on a driving shaft (4), one-way clutches (7a, 8a) are respectively embedded in the first bevel gear (7) and the second bevel gear (8), keys (4a, 4b) are arranged on the driving shaft (4), and are respectively connected with one-way clutches (7a, 8a) embedded in a first bevel gear (7) and a second bevel gear (8) through keys (4a, 4b), torque is transmitted through keys (4a, 4b) to drive a first bevel gear (7) and a second bevel gear (8) to rotate; a spacer (22), a distance sleeve (23) and a spacer (22a) are respectively arranged among the bearing (6b), the one-way clutch (8a), the one-way clutch (7a) and the bearing (6 a); the driving shaft (4) rotates clockwise or anticlockwise along with the swing of the driving swing rod (3), in order to prevent the slipping phenomenon when the torque is transmitted, knurling is arranged on the shaft diameter of the driving shaft (4) matched with the jacket (3b) to increase the friction force, and the torque can be transmitted in a flat shaft mode.

Referring to fig. 3 and 4, one-way clutches (7a, 8a) are respectively embedded in the first bevel gear (7) and the second bevel gear (8), and the one-way clutches (7a, 8a) can be one-way bearings or one-way ratchets or members with characteristics of one-way transmission of torque and opposite directions of relative rotation without transmission of torque; the driving shaft (4) drives the first bevel gear (7) and the second bevel gear (8) to rotate through the one-way clutches (7a, 8a), the directions of torque transmission of the one-way clutches (7a) and the one-way clutches (8a) are set to be opposite, no matter the driving shaft (4) rotates clockwise or anticlockwise, the first bevel gear (7) and the second bevel gear (8) only have one to be driven by the driving shaft (4) to rotate and transmit torque.

Referring to fig. 3 and 4, a bearing (9a) is installed in the third bevel gear (9), the bearing (9a) is preferably a needle roller-thrust cylindrical roller bearing, can bear axial and radial loads, the bearing (9a) and the third bevel gear (9) are positioned and supported through a pin shaft (11), the pin shaft (11) is connected to the bracket (6) through threads (11a), and the third bevel gear (9) is fixedly connected with the chain wheel (10) in a matching mode through the threads (9 b); two sides of the third bevel gear (9) are simultaneously meshed with the first bevel gear (7) and the second bevel gear (8), so that the third bevel gear (9) is driven by one of the first bevel gear (7) and the second bevel gear (8) to rotate by transmitting torque, the other bevel gear is driven by the third bevel gear (9) to rotate in the opposite direction because torque is not transmitted, and the third bevel gear (9) rotates in the same direction because the driving shaft (4) for driving the first bevel gear (7) and the second bevel gear (8) alternately rotates clockwise and anticlockwise.

Referring to fig. 1 and 3, the chain wheel (10) is fixedly connected to the third bevel gear (9) through a thread (9b), the third bevel gear (9) drives the chain wheel (10) to rotate together, the chain (24), the flywheel (25) and the rear wheel (26) of the bicycle are driven to rotate by the chain wheel (10), the rotation direction of the third bevel gear (9) and the rotation direction of the chain wheel (10) are consistent with the forward rotation direction of the rear wheel (26) of the bicycle through the arrangement of the torque transmission direction of the one-way clutch (7a) embedded by the first bevel gear (7) and the one-way clutch (8a) embedded by the second bevel gear (8), and in addition, in order to prevent the thread (9b) from being loosened during riding, the rotation direction of the thread (9b) is the opposite to the forward rotation direction of the rear wheel, namely, the rotation direction of the thread (9ba) is left-handed.

Through the above detailed description of the bicycle swing rod driving mechanism (1) according to the embodiment of the invention, during riding, the rider's feet alternately step the pedals (2) and (2a) downwards to make the driving swing rod (3) swing to drive the driving shaft (4) to alternately rotate clockwise and counterclockwise, the one-way clutch (7a) drives the first bevel gear (7) and the one-way clutch (8a) to drive the second bevel gear (8) to rotate, the first bevel gear (7) and the second bevel gear (8) alternately drive the third bevel gear (9) to rotate in the same direction, the third bevel gear (9) drives the chain wheel (10) to rotate together, and finally the chain (24), the flywheel (25) and the rear wheel (26) of the bicycle are driven by the chain wheel (10) to rotate, so as to drive the bicycle to move forwards.

Referring to fig. 5 and 9, the pedal surfaces (2b) and (2c) of the pedals (2) and (2a) are anti-skid surfaces, and the surfaces of the pedal surfaces can be provided with anti-skid patterns or non-metal anti-skid materials, so that the riding safety and comfort are improved.

Referring to fig. 5 and 7, a preferred structure of the driving swing rod (3) is shown, a stop (3a) is arranged on the driving swing rod (3), when the driving swing rod (3) is in a limit swing position, the stop (3a) is in contact with the bracket (6), the stop (3a) plays a role in limiting and buffering, riding comfort is improved, and the stop (3a) is preferably made of an elastic non-metal material.