KR20000061790A - Device for Braking, Starting and Accelerating Power Device Utilizing Windup Spring - Google Patents

Abstract

PURPOSE: An apparatus is provided to allow re-utilization of an energy consumed as a thermal energy during a braking operation while using an elastic force of a spring as a braking force for a bicycle and an elastic energy stored in the spring for starting and acceleration of bicycle. CONSTITUTION: An apparatus(100) comprises a first power transmission unit for transmitting a rotational power from a rotation axis of a power unit, a clutch(300) installed at a portion of the first power transmission unit so as to control a power transmission, a power spring(400) for storage of an elastic energy by the rotational power transmitted through the first power transmission unit, a rotating body(500) which rotates by an elastic energy from the power spring, and a second power transmission unit for transmitting a rotational power of the rotating body to the rotation axis of the power unit.

Description

Braking, Starting and Acceleration of Power Units Using Windings {Device for Braking, Starting and Accelerating Power Device Utilizing Windup Spring}

(Technology)

The present invention relates to a braking, starting and accelerating device of a power unit using a mainspring, and more particularly, braking and driving a power unit while converting kinetic energy consumed by thermal energy into a spring elastic energy when decelerating the movement of the power unit. It relates to a device that uses the elastic energy stored in the mainspring when decelerating and activating and accelerating the power unit.

(Background)

A series of power control processes for starting, accelerating, decelerating and braking power can be seen as an energy consuming and mechanical wear process. In terms of mechanical power control, the static friction of the rotating body requires a lot of energy for starting and accelerating, so that the speed of the engine must be lowered to obtain sufficient torque, and during braking, kinetic energy is consumed as thermal energy. There is this. Even in power control of an induction motor, although constant voltage starting torque and acceleration torque are good, a large amount of electric energy is consumed. Therefore, various methods have been sought to save energy if possible in controlling various powers.

Mechanical (friction) brakes, which are widely used in various machinery such as bicycles, motorcycles, automobiles, and the like, to reduce or stop the movement speed of a rotating body, are used to convert the kinetic energy of the rotating body into thermal energy by friction and release it. Since the device provides the braking force, the kinetic energy of the rotating body is consumed as heat energy that cannot be used again during the braking process, and also causes wear of various components constituting the brake. Therefore, if the energy consumed when braking the rotor can be used, it will be able to save that much energy. For example, it may be desirable to store the kinetic energy of the bicycle, which is consumed as unusable thermal energy when braking, so that the bicycle can be used again when the bicycle is started or accelerated.

An object of the present invention is to store the energy consumed in the process of controlling the power of the power unit so that it can be used again for starting or accelerating the power unit.

An object of the present invention is to store the kinetic energy consumed as thermal energy in the braking process of the power unit as elastic energy so that it can be used again when starting or accelerating the power unit.

An object of the present invention is to use the elasticity of the mainspring as a braking force for a running bicycle, and to use the elastic energy stored in the mainspring to start and accelerate the bicycle.

1 is a schematic diagram of a braking, starting and accelerating device of a power unit using a mainspring according to the present invention;

Figure 2 is a schematic diagram of a specific example of applying the braking, starting and acceleration device of the power unit using the mainspring according to the present invention,

Figure 3 is a detailed view of the rotating body showing the mounting state of the mainspring.

* Description of the symbols for the main parts of the drawings *

1: bicycle 10 (10a): power unit (bicycle wheel)

20 (20a): shaft 200 of power unit: first power transmission means

300: clutch 400: hand winding

500: rotating body 600: second power transmission means

According to the present invention, the first power transmission means for transmitting a rotational force from the rotating shaft of the power unit, the clutch is installed at one point of the first power transmission means to regulate the power transmission, the rotational force transmitted through the first power transmission means A spring that stores elastic energy by the spring, a rotating body that rotates by the elastic energy of the spring, and second power transmission means for transmitting the rotational force of the rotating body to the rotating shaft of the power unit. Braking, starting and accelerating of the power unit is provided.

Braking, starting and accelerating the power unit using the mainspring according to the present invention for braking, starting and accelerating the bicycle; The first power transmission means is connected to the bicycle wheel shaft and rotated integrally, the first sprocket selectively rotated by the intermittence of the clutch, and connected by the first sprocket and the first chain in any one direction It may be configured to include a second sprocket having a switching lever that is adjustable to rotate only.

The second power transmission means is connected by a third sprocket which is integrally rotated with the rotating body, a locking mechanism selectively blocking rotation of the rotating body, and is connected to the third sprocket and the second chain and installed on the rotating shaft. And a fourth sprocket which rotates integrally with the rotation shaft in the same direction as the driving rotation direction of the bicycle wheel and revolves about the rotation shaft in the opposite direction.

Here, the spring is mounted between the second sprocket and the rotating body.

According to the braking, starting and accelerating device of the bicycle as described above, when the driving bicycle is to be braked, the shift lever is adjusted so that the second sprocket is in the same direction as the driving rotation direction of the wheel (winding direction: normal rotation). Direction) and the clutch is connected while the rotating body is not rotated by the locking mechanism so that the rotational force of the bicycle wheel rotates the second sprocket through the rotating shaft, the first sprocket and the first chain. In this case, the spring is wound between the second sprocket and the rotating body by the rotation of the second sprocket, where the second sprocket can be rotated only in the winding direction and the rotating body is rotated by the locking mechanism. Since it is impossible, the mainspring is not released and stores elastic energy.

When the bicycle is to be started or accelerated again, the locking mechanism is operated to keep the rotating body rotatable. The spring is released and the rotating body rotates in the same direction as the driving rotation direction of the wheel (normal rotation direction). And the rotational force rotates the fourth sprocket through the third sprocket and the second chain, wherein the fourth sprocket rotates integrally with the rotation shaft in the same direction as the driving rotation direction of the bicycle wheel, so that the wheel of the bicycle travels. Rotational force is applied in the direction to apply force to the maneuver and acceleration.

The fourth sprocket revolves about the rotating shaft when the rotating shaft rotates in the driving rotational direction of the bicycle wheel, so that the rotating force of the rotating shaft is not transmitted to the rotating body through the second chain when the rotating shaft rotates in the driving direction during driving.

Hereinafter, with reference to the accompanying drawings will be described in detail the braking, starting and acceleration of the power unit using the mainspring according to the present invention. The following embodiments merely illustrate the braking, starting and accelerating device of the power unit using the mainspring according to the present invention, but are not intended to limit the scope of the present invention.

1 is a schematic diagram of a braking, starting and accelerating device of a power unit using a mainspring according to the present invention, and FIG. 2 is a schematic diagram of a specific example of applying a braking, starting and accelerating device of a power unit using a mainspring according to the present invention. 3 is a detailed view of the rotating body showing the mounting state of the mainspring.

1 and 2, the braking, starting and accelerating device 100 of the power unit using the mainspring according to the present invention, the first power transmission means 200, clutch 300, spring 400 And, basically, a rotating body 500 and a second power transmission means 600, these components being mounted in a housing 110 suitably configured to receive them.

The first power transmission means 200 is a means for transmitting a rotational force from the rotating shaft 20, 20a of the power unit (10, 10a) to the mainspring 400, for example, as shown in Figures 1 and 2 , The rotating shaft 210, the first sprocket 220, the first chain 230 and the second sprocket 240, the rotational force of the power unit 10 relative to the first power transmission means 200 is a clutch ( Intercepted by 300).

The rotary shaft 210 substantially extends the rotary shafts 20 and 20a of the power unit 10 and rotates integrally with the rotary shafts 20 and 20a of the power units 10 and 10a. The first sprocket 220 is positioned on the same axis as the rotation shaft 210 with the clutch 300 interposed therebetween. When the clutch 300 is bitten, the first sprocket 220 is centered on its own fixed shaft 221. If it rotates in the same direction as the rotating shaft 20 and the clutch 300 is released, it is not rotated.

Rotation of the first sprocket 220 is transmitted to the second sprocket 240 through the first chain 230, the second sprocket 240 is provided with a ratchet (ratchet) used in the bidirectional wrench, etc. in either direction It is provided with a rotation direction switching lever 241 to enable only rotation. Therefore, according to the position of the switching lever 241, the second sprocket 240, for example, the rotation shaft of the power unit 10, such as the direction in which the shaft 20a of the wheel 10a rotates when the bicycle 1 travels. It is suitably adjusted so that 20 may rotate only in the same direction as the direction in which it normally rotates or in the opposite direction, and not rotate in the reverse direction. 1 and 2, a shaft 242 integrally rotating with the second sprocket 240 is rotatably mounted to the housing 110, and a switching lever 241 is provided between the housing 110 and the shaft 242. An installed example is shown, and the changeover lever 241 installs the adjustment lever 243 on the handle 2 of the bicycle 1 and connects the changeover lever 241 and the adjustment lever 243 with a wire 244 to the bicycle. It can be comprised so that it can switch in the hand 2 of (1).

At one point of the first power transmission means 200, for example, the clutch 300 installed between the rotary shaft 210 and the first sprocket 220, the power unit 10 in which the apparatus 100 of the present invention is used. Any suitable clutch may be used among conventional clutches such as friction clutches, engagement clutches, fluid clutches, etc., according to the characteristics of Fig. 1). In Figs. 1 and 2, examples of the friction clutch using the disc 310 are shown.

The clutch 300 may be operated at the handle 2 by installing the adjustment lever 320 on the handle 2 of the bicycle 1 and connecting the clutch 300 and the adjustment lever 320 with a wire 330. . That is, when the adjustment lever 320 is pulled, the wires 330 are pulled and the two discs 310 come into contact with each other to transmit power, and when the adjustment lever 320 is placed back, the two discs 310 are separated again.

The rotational force transmitted through the first power transmission means 200 is stored as the elastic energy of the mainspring 400. That is, one end 410 of the mainspring 400 is fixed to the shaft 242 which rotates integrally with the second sprocket 240, for example, and the other end 420 rotates independently of the second sprocket 240. Since it is fixed to the rotating body 500, when the second sprocket 240 is rotated in the normal rotation direction in the state in which the rotating body 500 is fixed without being rotated, the mainspring 400 is wound and the power unit 10 is rotated. ), The rotational force of the bicycle wheel in this embodiment is stored in the spring 400 as elastic energy.

According to the configuration of the first power transmission means 200, the clutch 300, the main body 400, and the rotating body 500 described above, the power unit 10, as in the case of braking the bicycle 1 while driving If you want to brake or decelerate, set the position of the switching lever 241 so that the second sprocket 240 is rotated only in the normal direction by operating the adjustment levers (243, 320), so that the clutch 300 bites, It is possible to brake the power device 10 by the elasticity of the mainspring 400 without using the brake device.

The second power transmission means 600 is a means for transmitting the elastic energy stored in the spring 400 to the power unit 10, such as the wheel 10a of the bicycle 1, for example shown in Figures 1 and 2 As shown, the third sprocket 610, the locking mechanism 620, the second chain 630, and the fourth sprocket 640 may be configured.

The third sprocket 610 is installed to be rotated integrally with the above-mentioned rotating body 500, and the third sprocket 610, that is, the rotating body 500 can be operated to switch between the rotatable state and the non-rotatable state. Locking mechanism 620 is provided. 1 and 2 illustrate an example in which the locking mechanism 620 is installed in the housing 110 and configured to act on the rotating shaft 510 of the rotating body 500, and the locking mechanism 620 is an example. For example, it can be controlled by the adjustment lever 622 installed on the handle 2 of the bicycle 1 via the wire 621. Therefore, in the state in which the locking mechanism 620 is locked, the mainspring 400 is not released even when elastic energy is stored, and is released only in the state in which the locking mechanism 620 is opened.

The rotary shaft 210 is provided with a fourth sprocket 640, the second chain 630 is caught between the third sprocket 610, the fourth sprocket 640 is in one direction, for example, bicycle ( When 1) travels, the rotary shaft 20 of the power unit 10 rotates together with the rotary shaft 210 in the direction in which the power shaft 10 rotates normally, such as the direction in which the wheel 10a rotates, but in the opposite direction, the rotary shaft 210 ) Is configured to revolve. Therefore, when the rotating shaft 210 rotates in the normal direction, the fourth sprocket 640 remains in a non-rotating state such that the rotational force of the rotating shaft 210 is reversed to the fourth sprocket 640 through the second chain 630. Although not transmitted, when the fourth sprocket 640 is rotated in the normal direction by the mainspring 400, the rotation shaft 210 also rotates together in the same direction to provide power to the power unit 10.

According to the configuration of the spring 400, the rotating body 500, the third sprocket 610, the locking mechanism 620, the second chain 630, the fourth sprocket 640 described above, The elastic energy stored in 400 may be used to start or accelerate the power unit 10 by simply operating the locking mechanism 620.

In using a bicycle, when passing through an inclined place such as a stairway, the bicycle often does not go, and the user needs to push or carry the bar. Thus, the device 100 of the present invention is used to lift the bicycle from the slope. Can be used. That is, as shown in Figure 2, the shaft 242 extends to the outside of the housing 110 to form a socket 245 and the handle 120 by inserting and turning the handle 120 using the lever principle here It can be made to wind the mainspring 400 by). Therefore, the locking mechanism 620 is locked and the changeover lever 241 is adjusted so that the second sprocket can be rotated only in the normal rotational direction, and the handle 120 is inserted into the socket 245 to rotate the winding 400. If the winding and opening the locking mechanism 620 on the uphill to loosen the mainspring 400, by the force of the mainspring 400 it is possible to pull up the bicycle (1) with less force.

In addition, the conventional power unit 10 including the wheel 10a of the bicycle 1 may occasionally have its rotating shafts 20 and 20a rotated in the opposite directions of the normal direction, such as when the bicycle is reversed. have. In this case, the rotational force of the rotation shafts 20 and 20a is reversely transmitted through the fourth sprocket 640, the second chain 630, and the rotating body 500 according to the characteristics of the fourth sprocket 640 described above. Since it is wound 400, the reverse rotation of the power unit 10 is impossible unless the spring 400 is released. This situation can be overcome by reversing the position of the switching lever 241. That is, when the switching lever 241 is switched so that the second sprocket 240 rotates only in the reverse direction instead of rotating in the normal rotation direction, the elasticity of the mainspring 400 is changed through the first chain 230 and the first sprocket 220. ), And the vehicle 300 is extinguished by idling of the first sprocket 220 in a state in which the clutch 300 is not connected, so that the reverse rotation of the power unit 10 is possible.

In the above, the application of the apparatus 100 of the present invention to braking, starting and acceleration of the bicycle 1 has been described. However, the apparatus 100 of the present invention is not only a bicycle, but also a brake of various types of mechanical equipment such as motorcycles, automobiles, and electric vehicles. It should be understood that the present invention can be applied to braking, deceleration, starting and acceleration of a power unit installed in the engine. In addition, the elastic modulus of the mainspring 400, the rotation ratio between each sprocket (220, 240, 610, 640), the type of clutch 300 to be used, the operation structure of the clutch 300, etc., the power unit to which the apparatus 100 of the present invention is applied It may be appropriately determined according to the characteristics of the (10), the braking force required for the power unit 10, the size of the braking force, etc., the first and second power transmission means (200, 600) is configured by combining various gears, pulleys and belts, etc. You may.

According to the power braking, starting and accelerating device using the mainspring according to the present invention described above, the energy consumed in the process of controlling the power of various power units is stored as the elastic spring of the main spring, and if necessary, the starting or acceleration of the power unit. It can be used again, and in particular, it can use the elasticity of the spring as a braking force for the bicycle on the road, and the elastic energy stored in the spring can be used for starting and accelerating the bicycle. The energy consumed can be recycled, and the effect of reducing or eliminating the need for a power plant starter can be achieved.

Claims (5)

The first power transmission means 200 for transmitting a rotational force from the rotary shaft 20 of the power unit 10, the clutch 300 is installed at one point of the first power transmission means 200 to control the power transmission, the The spring 400 for storing the elastic energy by the rotational force transmitted through the first power transmission means 200, the rotating body 500 rotated by the elastic energy of the spring 400, and the rotating body 500 It characterized in that it comprises a second power transmission means for transmitting the rotational force of the power unit (10) to the rotating shaft (20), braking, starting and accelerating device of the power unit using the mainspring. 2. The rotating shaft (10) of the power unit (10) is the shaft (20a) of the bicycle (1) wheel (10a); The first power transmission unit 200 is connected to the bicycle wheel shaft 20a, the rotating shaft 210 integrally rotates, the first sprocket 220 selectively rotated by the interruption of the clutch 300, And a second sprocket (240) having a switching lever (241) connected to the first sprocket (220) and the first chain (230) and adjustable to be rotatable only in one direction; The second power transmission means 600, the third sprocket 610 to rotate integrally with the rotating body 500, the locking mechanism 620 to selectively block the rotation of the rotating body 500, and the It is connected by the third sprocket 610 and the second chain 630 and installed on the rotary shaft 210 to rotate integrally with the rotary shaft 210 in the same direction as the driving rotation direction of the bicycle wheel (10a) Opposite direction, comprising a fourth sprocket (640) revolving about the rotation axis (210). The device of claim 2, wherein the mainspring (400) is mounted between the second sprocket (240) and the rotating body (500). 3. The device of claim 2, wherein said second sprocket (240) is formed with a socket (245) that can be rotated by a handle (120) from the outside. 3. The method of claim 2, wherein the switching of the switching lever 241, the clamping of the clutch 300, and the operation of the locking mechanism 620 are performed at the handle 2 of the bicycle 1 through wires 244, 330, 621. Device operated by an adjustment lever (243, 320, 622).