KR100293094B1 - A bicycle having a operate apparatus influenced by load - Google Patents

Abstract

The present invention relates to an electric bicycle, and an automatic transmission for differentially converting the machine and electricity of the present invention is mounted at a predetermined position of a general electric bicycle main unit, and the automatic transmission is a wheel 91 or a chain of the electric bicycle ( 4) a friction gear 5 or a driving gear 6 which exchanges power with each other by maintaining contact at a predetermined pressure state is provided on one side, and is connected to the friction gear 5 or the driving gear 6 to be an electric bicycle. During the driving of the friction gear 5, the pre-charged power is supplied, and the electric output and the gear ratio are simultaneously converted by mechanical operation according to the increase and decrease of the load acting on the bicycle, thereby making the electric bicycle capable of varying the output. It relates to a multiple transmission of.

Description

A BICYCLE HAVING A OPERATE APPARATUS INFLUENCED BY LOAD}

The present invention relates to a multiple transmission of an electric bicycle, and to drive the tire 91 by the friction gear (5) of the drive unit 90 for driving the front wheel or the rear wheel of the electric bicycle, the load of the load acting on the electric bicycle The electric power and gear ratio are simultaneously converted according to the increase and decrease, so that the electric output and the high gear ratio are high at the start and the uphill driving, and the electric output and the gear ratio are relatively lower than the start and the uphill driving at the flat and downhill driving. The present invention relates to an electric bicycle multiple transmission device which secures safety and achieves the effects of constant speed driving and automatic transmission.

Therefore, the present invention mechanically detects a sudden increase or decrease of load (resistance) acting on the bicycle while driving on the road, thereby simultaneously changing the electrical output and the gear ratio at the same time, thereby reducing the power consumption for output adjustment, the number of passengers and the driving situation. According to the present invention, it is possible to provide a multi-speed transmission apparatus for an electric bicycle that can achieve the effects of the constant speed driving and the automatic shifting, because the automatic output is variable.

1 is a circuit diagram showing the current flow in the multiple transmission of the electric bicycle of the present invention

Figure 2a is a view showing the operating position of the drive device when driving uphill to the multiple transmission according to the invention

Figure 2b is a view showing the operating position of the drive device during flat driving in the multiple transmission according to the invention

Figure 3 is a flat view showing the structure of the drive unit according to the present invention

4A is a shape diagram of a spring installed on an outer surface of the drive housing 30 and an inner surface of the base housing 65 shown in FIG. 3.

Figure 4b is a partial detailed view showing the structure of the outer surface of the drive housing 30 according to the present invention shown in FIG.

Figure 4c is a partial detailed view showing the structure of the inner surface of the base housing 65 according to the present invention shown in FIG.

Fig. 5A is a plan view showing the inside of A-B cross section of the base housing 65 shown in Figs. 2A and 2B.

5B is a plan view showing the shape of the clutch 100 shown in FIG.

Figure 5c is a side view showing the shape of the clutch 100 shown in FIG.

FIG. 6A is a left side view showing the shape of the secondary high speed gear 21 shown in FIG.

FIG. 6B is a front view showing the shape of the secondary high speed gear 21 shown in FIG.

FIG. 6C is a right side view showing the shape of the secondary high speed gear 21 shown in FIG.

FIG. 6D is a left side view showing the shape of the secondary low speed gear 11 shown in FIG.

FIG. 6E is a front view showing the shape of the secondary low speed gear 11 shown in FIG.

FIG. 6F is a right side view showing the shape of the secondary low speed gear 11 shown in FIG.

Figure 7a shows an embodiment in which the friction gear 5 of the drive unit 90 according to the present invention in contact with the tire 91 of the bicycle.

7B shows an embodiment in which the drive gear 6 of the drive unit 90 according to the present invention is brought into contact with the chain 4 of the bicycle.

FIG. 8A is a detailed view showing the structure of the drive unit 90 shown in FIG. 6A.

FIG. 8B is a detailed view showing the structure of the drive unit 90 shown in FIG. 6B.

<Description of Main Symbols Used in Drawings>

4: Chain 5: Friction Gear 6: Drive Gear

7: Chain support gear 10: 1st low speed gear 11: 2nd low speed gear

20: 1st high speed gear 21: 2nd high speed gear 25: key s / w

26: break 27: accelerator 30: drive housing

31: fitting ring 32: hook hook groove 33: base housing hook

34: spring 35: volume 36: spring receiving portion

37: spring tension control lever 40: motor

41: high speed friction plate 42: low speed friction plate 45: motor pinion

46: 1st gear 47: 2nd gear 48: 3rd gear

50: power supply (supply) 55: amplifier 65: base housing

70: elastic spring 80: rack 85: load sensitive pinion gear

87: tension link 90: drive portion 91: tire

94: moving groove 95: central axis 96: clutch moving portion fitting jaw

97a: high speed friction part 97b: low speed friction part 99: clutch moving part

100: clutch 105: secondary rotation shaft 106: primary rotation shaft

110: bearing 120: saddle support

The electric bicycle of the present invention for achieving the above object is provided with a friction gear (5) on one side to keep the contact with the tire 91 in a constant pressure state to exchange power with the tire 91, the friction gear ( 5) In the step of transmitting the kinetic force from the tire 91 to the electric power and gear ratio necessary for the generation of the load at the same time at the same time to ensure the safety of driving and to achieve the effect of constant speed and automatic transmission It characterized in that the multiple transmission of the predetermined portion.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the multi-speed transmission apparatus of the electric bicycle according to the present invention.

1 is a circuit diagram showing a current flow in the multi-shift length of the electric bicycle of the present invention.

As shown in FIG. 1, the charged power 50 is applied from the key switch 25 so that the power is applied to the accelerator 27 only when the brake 26 is not operated. Installed on the handle or pedal of the electric bicycle according to the invention to achieve a short circuit and deceleration of the power supply, it is configured at the same time to achieve the primary or deceleration of the primary electrical output by the operation of the accelerator (27) at the start and run. The reduction of the output is the reduction of the electrical output of the volume unit 35 installed in the drive housing 30 which will be described later, and the reduction of the third output is due to the conversion of the gear ratio by the clutch 100 installed in the drive housing 30. It becomes possible.

Figure 2a is a view showing the operating position of the drive device when driving uphill to the multiple transmission according to the invention,

Figure 2b is a view showing the operating position of the drive device during flat driving in the multiple transmission according to the invention,

3 is a plan view illustrating a drive unit structure according to the present invention.

Referring to the drawings and FIGS. 5A, 5B, 5C and 6A, 6B, 6C, 6D, 6E, and 6F, the driving housing 30 is moved from FIG. 2B to FIG. 2A when starting and driving uphill of an electric bicycle. At this time, the load-sensing pinion gear along the rack 80 installed at a predetermined position of the base housing 65 is & is electrically formed so as to generate an output that exceeds the maximum static frictional force acting on the electric bicycle. The rotational force of 85 is transmitted to the volume unit 35 provided in the drive housing 30 so as to increase the electrical output, and mechanically & along the clutch moving unit 99 of the base housing 65. The clutch moving part fitting jaw 96 of the upper portion of the clutch 100 installed in the clutch 100 is moved to release contact between the high speed friction plate 41 of the second high speed gear 21 and the high speed friction part 97a of the clutch 100. At the same time, the low speed friction plate 42 of the secondary low speed gear 11 and the low speed of the clutch 100 The contact of the friction portion (97b) be fulfilled, so it is possible to move from the rotating force of the first rotating shaft 106, the second high-speed gear 21 to the secondary low-speed gear (11).

Therefore, the driving device 90 according to the present invention is to change the electrical output and gear ratio at the same time by the mechanical operation according to the increase and decrease of the load to produce an output that can exceed the maximum static friction force acting on the electric bicycle at the time of electric bicycle Constant speed driving and variable output can be achieved automatically.

Here, referring to FIG. 3, the multi-variable transmission apparatus of the present invention drives the drive housing 30 in the base housing 65 based on the central axis 95 shared by the base housing 65 and the drive housing 30. ), And the driving housing 30 is connected to the friction gear 5 in contact with the tire 91 of the electric bicycle and the friction gear 5 to generate power for driving the electric bicycle. And a clutch 100 for converting the gear unit 35 and the gear ratio to achieve an electric increase and decrease according to the driving situation, and the second gear 100 to the second low speed gear 11 and the second high speed gear 21 in the clutch 100. The friction plate 41, 42, 97a, 97b for transmitting power and the motor 40 generating a kinetic force with the electric power applied from the volume unit 35, and the power between the motor 40 and the friction gear 5. It consists of a power transmission member (10, 11, 20, 21, 45, 46, 47, 48) for transmitting.

On the other hand, in order to achieve the tension function of the drive unit 90 as shown in Figs. 2a and 2b, the tension link 87 and the elastic spring 70 is provided at a predetermined position of the drive unit 90, When the drive unit 90 is difficult to operate by the motor 40 after the discharge of the 50, the friction gear 5 or the drive gear 6 of the drive unit 90 is separated from the tire 91 or the chain 4 To connect a predetermined wire to one side of the tension link 87 so as to enable smooth manpower running, it is configured to be controlled from a handle or a pedal.

Meanwhile, as shown in FIGS. 3, 6A, and 6F, the secondary high speed gear 21 and the secondary low speed gear 11 have one side of the secondary rotary shaft 105 as bearings 110, respectively. Although the rotational force of the primary high speed gear 20 and the primary low speed gear 10 of the primary rotating shaft 106 is not transmitted, the clutch moving part fitting jaw 96 is the clutch moving part 99 according to the load acting on the electric bicycle. Since the inner movement is achieved, power transmission is possible from the primary rotation shaft 106 to the secondary rotation shaft 105 by the movement of the clutch 100.

Figure 7a is an embodiment showing a state in which the friction gear 5 of the drive unit 90 according to the present invention in contact with the tire 91 of the bicycle,

7B is an embodiment showing a state in which the drive gear 6 of the drive unit 90 according to the present invention in contact with the chain 4 of the bicycle,

FIG. 8A is a detailed view showing the structure of the driving unit 90 shown in FIG. 6A.

FIG. 8B is a detailed view showing the structure of the drive unit 90 shown in FIG. 6B.

Referring to the drawings, the friction gear 4 installed in the drive housing 30 of FIGS. 7A and 8A according to the present invention is a drive gear 6 for power transmission with the chain 4 of FIGS. 7B and 8B. Since the driving method by friction between the tire 91 of the electric bicycle and the friction gear 5 installed in the driving housing 30 is an example for facilitating the description of the present invention, It is not limited.

On the other hand, the number and structure of the secondary gear (11, 21) and the clutch 100 of Figs. 3, 5, 6 in accordance with the present invention is a number of clutches (100) and in order to ensure the safety of the shift and the output band Primary and secondary gears can be utilized.

In addition, the shape and installation position of the volume unit 35 and the clutch 100 according to the present invention is detected by the movement of the drive housing 30 in the base housing 65, the increase or decrease of the load accompanying the movement of the electric bicycle, volume The operation of the unit 35 and the clutch 100 is for easily explaining the load response, but not for limiting the present invention.

In addition, the drive unit 90 of the present invention accommodates the motor 40, the clutch 100, the power transmission member (10, 11, 20, 21, 45, 46, 47, 48) and the friction gear (5). The drive housing 30 is formed, the load-sensitive pinion gear 85 which is installed to protrude to a predetermined position on the outer surface of the drive housing 30 is a moving groove 94 is formed in a predetermined position of the inner surface of the base housing 65 In contact with the rack 80 provided on one side of the load-sensitive pinion gear 85 is made to rotate. Therefore, since the rotation of the load-sensitive pinion gear 85 is transmitted to the volume unit 35 provided in the drive housing 30, the volume unit 35 can be adjusted strongly and weakly, thereby increasing and decreasing the electrical output. It is configured to.

Here, the load-sensitive pinion gear 85 is brought into contact with the rack 80 provided on one side of the movable groove 94 based on the central axis 95 shared by the base housing 65 and the drive housing 30. ) Will be rotated.

On the other hand, the power transmission method by the gear of the power transmission member (10, 11, 20, 21, 45, 46, 47, 48) can be variously modified in a manner using a chain and a belt.

4A is a shape diagram of a spring installed on the outer surface of the drive housing 30 and the inner surface of the base housing 65 shown in FIG.

Figure 4b is a partial detail showing the structure of the outer surface of the drive housing 30 according to the present invention shown in FIG.

4C is a partial detailed view showing the structure of the inner surface of the base housing 65 according to the present invention shown in FIG.

4A, 4B, and 4C, when the electric bicycle starts and runs uphill, the movement of the drive housing 30 in the base housing 65 is made about the central axis 95 from FIG. 2B to FIG. 2A. Position of the drive housing 30 in the base housing 65 as shown in FIG. 2B by elasticity to the spring 34 of FIG. 4A when the load acting on the stationary or downhill driving and the electric bicycle is below a certain level. Will be maintained.

Here, in order to always maintain the initial position of the drive housing 30 in the base housing 65 in the form of FIG. 2B, the spring 34 of FIG. 4A is provided with the central shaft 95 provided in the base housing 65 of FIG. 4C. A) the base housing hook portion 33 is installed against one side of the spring receiving portion 36, and the fitting ring 31 is inserted into the hook hooking groove 32 of the drive housing 30 of FIG. It is characterized in that each connected.

Therefore, the elastic force of the spring 34 of Figure 4a according to the present invention described above will always maintain the position of the drive housing 30 in the base housing 65 at the stop or start, the state of Figure 2a,

On the other hand, the spring elastic control lever 37 installed on the side of the base housing 65 adjusts the elasticity of the spring 34, thereby adjusting the gear shift timing and the load sensitivity.

On the other hand, the type of the spring 34 may be applied to different types depending on the shape of the drive unit (90).

On the other hand, the load-sensitive pinion gear 85 provided on the rotating shaft of the volume unit 35 provided in the predetermined portion of the drive housing 30, the drive housing 30 of the electric housing tire 91 in the base housing 65 When the volume 35 is moved based on the rotational force applied to the motor, the volume unit 35 gradually increases the electrical output from the flat driving to the uphill driving to supply the motor 40, and simultaneously converts the gear ratio by the clutch 100. Therefore, because the constant speed driving is made to achieve a smooth running.

As described above, the multi-speed transmission apparatus of the electric bicycle of the present invention performs the conversion of the electrical output variable and the gear ratio for the constant speed driving at the same time only by mechanical operation in accordance with the increase or decrease of the load acting on the electric bicycle, the output of the constant speed driving and Can be achieved automatically.

Claims (3)

The friction gear 5 which transmits power by maintaining contact with the tire 91 of the electric bicycle at a constant pressure state shares the central axis 95 of the base housing 65 and the drive housing 30, and the central axis. The movement of the drive housing 30 in the base housing 65 based on the 95 is made based on the rotational force applied to the tire 91 of the electric bicycle, and the load sensing installed at a predetermined position of the drive housing 30 is performed. The pinion gear 85 differentially increases the electrical output from the flat driving to the uphill driving and supplies the motor 40 to the motor 40. In order to simultaneously convert the gear ratio by the clutch 100, the motor 40 and the friction gear ( 5) a plurality of power transmission members for transmitting power between the clutch and the clutch 100 for achieving the conversion of the gear ratio, the spring 34 provided in the predetermined of the base housing 65, and the spring 34 Spring to adjust elasticity Since the adjustment lever 37 is provided to adjust the gear shift timing and the degree of load sensitivity, and to promote the tension function of the drive unit 90, the tension link 87 and the elastic spring at a predetermined position of the drive unit 90. Since it is difficult to operate the drive unit 90 by the motor 40 after the discharge of the power source 50, the friction gear 5 or the drive gear 6 of the drive unit 90 is provided with the tire 91. Or a separate transmission from the chain 4, the multi-speed transmission of the electric bicycle, characterized in that configured to enable smooth manpower running The method of claim 1, The friction gear 4 installed in the drive housing 30 of the bicycle is replaced with a drive gear 6 for power transmission with the chain 4 of the bicycle. The friction gear 5 which transmits power by maintaining contact with the tire 91 of the electric bicycle at a constant pressure state shares the central axis 95 of the base housing 65 and the drive housing 30, and the central axis. An electric bicycle multiple transmission apparatus characterized in that by using the movement of the drive housing (30) in the base housing 65 around the center (95), the operation of the clutch for the gear shift.