TW385288B - Apparatus for changing power direction for bicycle - Google Patents

Abstract

An apparatus for changing power direction for a bicycle is provided. The apparatus for changing power direction roughly including a shaft housing, a change ring, a carrier, a sun gear and a sprocket cap is located between a pedal shaft and a driving sprocket. The shaft housing supports the rotating pedal shaft and controls the carrier by using a plurality of pawls to be released from and inserted into a plurality of openings formed at the inside of a rim of a right cap of the shaft housing when pedaling rearward. The change ring releases and inserts the pawls from and into the shaft housing when pedaling rearward, and the carrier having a first ratchet and a second ratchet at the outside and inside of a left portion thereof, respectively, and a plurality of planetary gears to be rotatably set at a right portion maintains or changes the direction of power from the pedal shaft, thereby transmitting the power to a driving sprocket. The sun gear transmits the driving force of the pedal shaft to the carrier while being coupled with the pedal shaft. Also, the sprocket cap having a gear at the right of the inside of the rim thereof receives the power from the carrier to travel the bicycle forward at all times regardless of forward and backward pedaling directions. Therefore, the bicycle travels forward when pedaling forward and rearward in the state where the apparatus for changing power direction is installed to the bicycle. Also, an idling may occur if required when pedaling rearward in the state where the apparatus for changing power direction is installed to the bicycle.

Description

十 -EZ_ 鲞 利 申 谙 銮 笫 86106139 号 Α7 十 -EZ_ 鲞 利 申 谙 銮 笫 86106139Α7 ROC Patent Appln. No.8610 ^ 139 Chinese Manual Amendment Pages-Annex I Amended Pages in Chinese Specification-Encl. Presented by Country I on September d, 1987) (Submitted on September 1998) PX 谙 委 贝绍 Λ i Standard Bureau of the Ministry of Internal Warrants f: Seal of the cooperative 5. V. Invention Description (within opening 31. Exchange ring 40 The second gear 41 has a second gear 41 on one side facing the pedal shaft and a plurality of holes 42 in the surface portion. The second gear 41 and the first gear 81 mesh with each other to rotate the exchange ring 40. The holes 42 are The protrusion or contraction of the first pawl 32 is allowed. When the first pawl 32 slides into the hole 42, the bracket 50 cannot rotate, and when the exchange ring 40 hinders the first pawl 32 from the shaft sleeve 30. The bracket 50 can rotate when it is inside the opening 31. The bracket 50 having a hollow cylindrical shape has a first ratchet 51 and a second ratchet 52 on the outside and inside of the left part thereof, and a hole having a large number of holes, respectively. The ring 53 is on the right part of the bracket 50, wherein the right part is The connection between the body and the left part causes a plurality of planetary gears 54 to be rotatably provided by the planetary gear shaft 55 in a ring 53. The first ratchet 51 of the bracket 50 having the above structure and the first of the sleeve 30 The pawl 32 is engaged, and the second ratchet 52 is engaged with the second pawl 62 of the third gear 61 which will be described later. On the other hand, the internal system of the planetary gear 54 of the bracket 50 is engaged with the sun gear 60 The third sprocket 61 meshes with an external mesh with a fourth gear 71 formed inside the sprocket cover 70 which will be described later. The bracket 50 has a power transmission from the pedal shaft 20 to the sprocket cover 70. This function is achieved by maintaining or changing the direction of power from the pedal shaft 20, and this is the most important part of the present invention. The planetary gear 54 of the bracket 50 will focus on the change of direction of the power The force at a specific part is dispersed, and the number of planetary gears is preferably eight. The sun gear 60 has a stepped hollow cylindrical shape, and the left portion of the sun gear 60 with a smaller diameter has a large number of openings 63 on its outer side. And in -9-(Please read the note on the back first Then fill out this page)

Dimensions of this paper: China® House Standard: 17ν5) λ4 ^ (210X 297 gong) Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (i) Field of the invention The invention relates to a method for changing the direction of bicycle power The device is more particularly related to a pedal shaft sleeve fixed to the bicycle, and when the pedal is pressed forward or backward, the bicycle can be moved forward by controlling a gear shift, etc., and when the pedal is pressed Backward, for example, a traditional bicycle is a device that changes the direction of the power if the pedal is depressed backward if it is required to idle. BACKGROUND OF THE INVENTION Generally, a bicycle includes front and rear wheels before and after the bicycle frame, and a pair of pedals serving as a power supply source between the two wheels. The driving force of the bicycle is obtained through the pedals. And the force is then transmitted to the rear wheels via an active sprocket, a chain, and a passive keywheel. When a rider steps on the pedal, the normal bicycle moves forward and when the pedal is stepped backward, the bicycle borrows the wheel. The unloaded rotation of the unidirectional ratchet wheel on the sleeve of the rear wheel is referred to as " idling ". • ^ Moreover, the invention of new parts that can allow the pedals of bidirectional pedals that are common to only a single square # pedal is bidirectional, has been uncovered, in particular the patents of Mantzoutsos et al. And Foster et al. Will be introduced below. According to the invention of Mantzoutsos et al. (European Patent Application No. 0,369,925 >, two gears are mounted on a pedal shaft and an auxiliary gear is mounted between two detachable gears. Here, the bicycle of the present invention When the pedal is in the state where the auxiliary gear is separated, it can move forward like a normal bicycle. However, when the auxiliary gear is connected and the pedal is pushed backward, the bicycle changes the rotation direction of the pedal shaft by the auxiliary gear.

This paper size is applicable to China National Standard (CNS) A4 specification (21 × 25 > 7 mm> (Please read the precautions on the back before filling this page)

A7 _________________B7__ '5. Description of the Invention (2) It is still possible to move forward. On the other hand, according to the invention of Foster et al. (U.S. Patent No. 5,435,583), a gearbox is mounted on a pedal shaft, which includes two gears, two clutches in between, and one between two wheels. The bevel gear between the teeth, here, the foot of the invention ▲ When the clutch is connected to the right gear and the pedal is depressed, it can move forward like a normal bicycle. However, when the clutch is coupled with the left gear and the pedal is pushed backwards, the bevel gear is used to change the rotation direction of the pedal shaft, and the bicycle can move forward. The above-mentioned two inventions are significant from the viewpoint of using a middle gear to move the bicycle in a two-way bicycle device when the pedal is pushed backwards, but the two-way bicycle pedal device applies the force required to change the direction of power As a result, the wear and tear of specific parts and the inconvenience of operating the power direction changing device are shortened. By solving the above-mentioned shortcomings to obtain a two-way pedaling device system is disclosed .... In Korean Patent Application No. 94_1339] ^, according to the application, a predetermined closed space system is formed at one end of the pedal shaft and an active Between the sprocket wheels, two two-way ratchet wheels are installed outside and inside the space, and most of the planetary gears are rotated by a ratchet wheel provided thereon, and a single-direction ratchet gear locked and unlocked by the outside is changed. The two-way pedaling mechanism provided in the closed space and the bicycle in the two-way pedaling device is as follows. When the pedal is stepped forward, the pedal, ratchet and active sprocket train are rotated integrally to make the bicycle move forward, and at the same time, when the pedal is stepped backward, the outboard vehicle uses the gear lever to replace the one-way ratchet. There are two outside spines

This paper size applies to China National Standard (CNS) 6-4 specifications (210 father 297 mm.) V. Description of the invention (3) Example of the gear train being locked and opened. When the outer ratchet is locked and the pedal is stepped backward, most planets The gear rotates around its own axis, causing the rotation direction of the pedal shaft to be changed, and then power is transmitted from the pedal to the driving sprocket, so the bicycle is driven forward. Second, the outer ratchet is opened to step on the foot. Pedal backwards' The planetary gear rotates and cooperates with the ratchet wheel to rotate around the pedal shaft. As a result, power is transmitted from the pedal shaft to the active sprocket, which causes the pedal to idle. According to the Korean Patent Application No. 94-13391 described above, due to the change, the direction of the power is effectively concentrated at a specific position by using most planetary gears to distribute the force to avoid it. In this way, the life of the two-way pedal device The period is extended, and the direction of worship of the pedal shaft can be changed using only the gearshift. And, the two-way pedaling device can be actively operated by using small and precise parts. However, according to the aforementioned Korean Patent Application No. 94_13391, the mass production of parts and the assembly of various parts are difficult, and the two-way pedal device is not directly adhered to the conventional bicycle, so the parts should be partially improved. ' And 'each component may be damaged by the reverse load generated by pulling the bicycle backwards. Summary of the Invention The print by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economics is an invention improved from the Korean Patent Application No. 94_13391. One of the objects of the present invention is to provide a device for changing the direction of power. It can be mass-produced for simple manufacturing and assembly of parts, and it can be directly adhered to the conventional bicycle by improving parts and using an auxiliary mechanism, and at the same time can avoid zero caused by reverse load.

This paper size applies to Chinese National Standard (CNS) A4 (21〇χ 297 cm) Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 ____B7 1 V. Damage to the invention (4). The device for changing the direction of power of the present invention includes the basic components of a bicycle. For example, a pedal shaft, a rear wheel, an active sprocket formed on and rotating around the pedal shaft, a passive sprocket that transmits the driving force of the active sprocket to the rear wheel, and a The chain connecting the active chain 4 and the passive sprocket. The basic feature of the present invention is a device for changing the direction of power, which is formed in a closed space between the pedal shaft and the active sprocket. Here, it is used in The shape of the part constituting the power direction changing device is a hollow cylinder, ring or gear shape. The power direction changing device of the present invention is located between the pedal pedal shaft and the driving sprocket, and roughly includes a shaft sleeve, an exchange ring, A bracket, a sun gear, and a key wheel cover. The functions of each part are as follows: The exchange ring, the bracket and the sun gear shaft sleeve support the rotating pedal shaft and step on the pedal to the rear. The claws are released and inserted into the inside of the right cover of the shaft sleeve. The openings at the same time control most of the bracket at the same time. When the pedal is stepped backward, the exchange ring releases the pawl from the shaft sleeve and inserts the pawl. In the sleeve, and the The bracket has ratchet wheels on the outside and inside of the left part, and most of the planet gears rotatably mounted on the right part maintain or change the direction of power from the pedal shaft, thereby transmitting the power to the driving sprocket. When the sun gear is coupled with the pedal shaft, the driving force of the pedal shaft is transmitted to the bracket, and the sprocket cover has a gear on the right side inside the edge to receive the power from the bracket to make the bicycle The forward direction is always forward, regardless of whether the direction of the pedal is forward or backward. Therefore, when the pedal is pressed forward and backward and the power direction is changed

This paper size applies Chinese National Standard (CNS) A4 (210X297mm) --------- Package-€ (Please read the notes on the back before filling this page) Order ii Central Bureau of Standards, Ministry of Economic Affairs Printed by employee consumer cooperative A7 B7 V. Description of the invention (5) When the bicycle is mounted on the bicycle, the bicycle moves forward, and the device for changing the direction of the power of the invention, which is one of the "two-way pedal devices", constitutes The parts and operating mechanism are different from the conventional two-way pedaling device. In addition, according to the present invention, the direction of the power is changed. The shape of each component is optimized, so the concentration of the load in a specific location is avoided, and all components The parts are integrally formed, thereby simplifying the assembly process. The power direction changing device uses a shift lever for easy operation, and a power direction changing device is installed on the conventional bicycle without the need for the conventional foot. The auxiliary ring for adjusting the treadmill. Brief description of the drawings. Figure 1 is a cross-sectional view of a bicycle power direction changing device according to the present invention; Figure 2 is a sectional view according to the present invention. An exploded perspective view of a bicycle power direction changing device; FIG. 3 is a right side view showing an example of a sun gear used in the bicycle power direction changing device according to the present invention; FIG. 4A is a first pawl when the exchange ring allows the first pawl The operation diagram of the power direction changing device cut along the line AA of FIG. 1 released from the opening of the sleeve and the line AA along FIG. 1 when the exchange ring prevents the first pawl from being released from the opening of the sleeve Fig. 5 is a cross-sectional view of the power direction changing device cut along the line BB of Fig. 1; Fig. Β is a cross-sectional view of the power direction changing device according to a preferred embodiment of the present invention ;

This paper size is applicable to China National Standard (CNS) Α4 specification (210X »7 male) I II Ί 装 I I I! 旅 ΓΓ (Please read the notes on the back before filling this page) A7 B7 V. Description of the invention (6 ) FIG. 7 is a right side view of a shaft sleeve used in the power direction changing device shown in FIG. 6; FIG. 8 is a left side view of a bracket used in the power direction changing device shown in FIG. 6; The left side view of the sprocket cover used in the reforming power direction device shown in FIG. 6; FIG. 10 is a right side view of a mechanism for controlling an exchange ring according to another embodiment of the present invention; * FIG. 11 is a view according to the present invention Another embodiment is a cross-sectional view when a power direction changing device is installed on a conventional bicycle; a preferred embodiment for implementing the present invention will be described in detail with reference to FIGS. 1 to 5. As shown in Figures 1 and 2, a shaft sleeve 30, an exchange ring 40, a bracket 50, a sun gear 60 and a key wheel cover 70 are sequentially connected to a bicycle. A fixed cap 90 is mounted on the outside of the sprocket cover 70 on the top 20 to form an integrated device for changing the power direction. The sleeve 30 supports the rotating pedal shaft 20, and the sleeve 30 has a plurality of openings 31 into which most first pawls 32 are inserted inside the edge of the right cover, and is equipped with a control exchange ring 40. The hole 33 of the first gear 81 is formed on the side wall of the right cover, and the sleeve 30 having the above structure sequentially holds the exchange ring 40, the bracket 50 and the sun gear 60 and is provided by borrowing when the pedal is stepped backward. The first pawl 32 on the edge of the shaft sleeve 30 simultaneously has a function of rotating the bracket 50 or preventing the bracket 50 from rotating. Here, a spring is inserted into the shaft sleeve and the first pawl 32. The first pawl 32 is held elastically therebetween.

This paper size applies to Chinese National Standard (CNS) A4 (210X29'7mm) (Please read the precautions on the back before filling this page), τStaff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs, 轚 10-EZ_ 鲞 利申 谙 銮 笫 86106139 号 A7 十 -EZ_ 鲞 利 申 谙 銮 笫 86106139Α7 ROC Patent Appln. No.8610 ^ 139 Amended Pages in Chinese Specification-Encl.I State September 1987 (Submitted on September 1998) (Submitted on September 1998) PX 谙 委 贝绍 Λ i Standard Bureau of the Ministry of Internal Warp and Consumption f: Seal of the cooperative 5. V. Invention Description (within opening 31. The exchange ring 40 has a second wheel 41 on one side thereof facing the pedal shaft and a plurality of holes 42 on the surface portion thereof. The second gear 41 is engaged with the first gear 81 to rotate the exchange ring 40. The hole 42 allows the first pawl. The protrusion or contraction of 32 'the bracket 50 cannot rotate when the first pawl 32 is slid into the hole 42, and the bracket is not supported when the exchange ring 40 obstructs the first pawl 32 in the opening 31 of the sleeve 30 The frame 50 is capable of rotating. The frame 50 has a first ratchet 51 and a second ratchet 52 on the outside and inside of the left part thereof, and a ring 53 with a plurality of holes on the right part of the bracket 50, wherein the right part is integral with the left Partial connection causes a plurality of planetary gears 54 to be rotatably provided by the planetary gear shaft 55 in a ring 53. The first ratchet 51 of the bracket 50 having the above structure is engaged with the first pawl 32 of the shaft sleeve 30. The second ratchet wheel 52 is engaged with the second pawl 62 of the third gear 61 which will be described later. On the other hand, the internal system of the planetary gear 54 of the bracket 50 and the third gear of the sun gear 60 The wheel 61 meshes and an outside meshes with a fourth gear 71 formed inside a sprocket cover 70 which will be described later. The bracket 50 has a function of transmitting side power from the pedal shaft 20 to the sprocket cover 70. This is achieved by maintaining or changing the power direction from the pedal shaft 20, and this is the most important part of the present invention. The planetary gear 54 of the bracket 50 will focus the force on a specific part by changing the power direction. To be dispersed, and preferably the number of planetary gears is eight The sun gear 60, having a hollow cylindrical shape in order containing, sun gear 60 with the left portion of smaller diameter has a majority of its outer opening 63, and -9 - (Read Notes on the back and then fill the page)

Size of this paper: China® House Standard: 17ν5) λ4 ^ (210X 297 gong) Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 __... _ B7 _ V. Description of the invention (8) The pawl 62 is provided, and the inside of the left part has a central opening with a hexagonal shape and a gear-like shape, so that the left part is integrally fixed to the pedal shaft 20, and the sun gear 60 has a larger diameter. On the right part, there is a third gear 61 on the outside. In the sun gear 60 having the above structure, the second pawl 62 is engaged with the second ratchet wheel 52 of the bracket 50, and the third gear 61 is engaged with the bracket 50. The planetary gears 54 mesh, and the number of the second pawls is preferably four. Here, the elasticity can be provided to the first and second pawls 32 and J 62 by the following methods. First, a coil or leaf spring is inserted under the pawl, and then a groove is shown in FIG. 3. A certain angle is shown in each of the pawls, and then each pawl is connected by a ring spring 65 to provide a linear tension. And, according to the present invention, the first pawl 32 and the exchange ring 40 are positioned outside the bracket 50 to control the bracket 50 only when the footboard shaft 20 is reversely rotated, and the second pawl 62 is set It is external to the sun gear 60 to allow one-way movement of the bracket 50 when rotating forward. Since the sun gear 60 is integrally coupled to the pedal shaft 20, the sun gear 60 will transmit power from the pedal shaft 20 to the bracket 50 when rotated in the same direction as the rotation direction of the pedal shaft 20. The sprocket cover 70 has a fourth gear 71 inside its edge, and a plurality of screws or supports 72 outside its edge, so that a multi-step active sprocket 73 is connected thereto, and a bearing 74 The sprocket cover 70 can be independently rotated on the pedal shaft 20 independently. The fourth gear 71 of the key wheel cover 70 with the above structure is connected to the planet. The gear 54 is meshed, thereby receiving power from the pedal shaft 20 via the bracket 50. -10-Office v generation management 1¾¾ This paper size is applicable to China National Standard (CNS) A4 specification (210X29: 7mm) {Please read the precautions on the back before filling this page) κ: π._ Γ '-- Installed--Printed by the Central Standards Bureau of the Ministry of Economic Affairs, Zhengong Consumer Cooperative, A7, B7. 5. Description of the invention () Sprocket cover 70-rotates forward, regardless of the direction of rotation of the pedal shaft 20. And "the reference numbers not shown above in Fig. 1", 0, 11, 21, and 22 respectively represent a bicycle frame, a pedal shaft sleeve, a shaft bearing, and a ring. When the coupling sleeve 30 and the sprocket cover 70 are on the pedal shaft 20 of the bicycle, a closed space is formed therebetween, and the exchange ring 70, the bracket 50 and the sun gear 60 are harmonized with each other. Ground is assembled in this space and a fixing nut 90 is fixed to the outside of the sprocket cover 70, thereby forming an integrated device that changes the direction of power. The overall power changing device is assembled in the following order. First, the pedal shaft 20 is rotatably installed in the shaft sleeve 30, and then the exchange ring 40, the bracket 50 ', the sun gear 60, and the sprocket. The cover 70 is sequentially centered on the pedal shaft 20 and is assembled in the sleeve 30. Then, the fixing nut 90 is fixed to the outside of the key wheel cover 70, thereby forming a change of power direction. Integrated device. In addition, a shift lever 80 for controlling the exchange ring 40 is provided on the side wall of the shaft sleeve 30 and is connected to the first gear 81. Thus, the shift lever 80 uses the action of the first gear 81 to move the exchange ring 40. The operation and effect of the power direction changing device having the above structure according to the present invention will be described below. For the convenience of explanation, the operation of the present invention will be classified as " forward by stepping forward on the pedal ", ··· forward by pressing the pedal backward ", " by pressing the pedal backward Idling "to describe" First of all, "forward by stepping on the pedal forward" means that when driving the pedal, the paper size fits the Chinese standard 绛 () 8 4 specifications (21〇χ 297 Mm) (Please read the notes on the back before filling out this page)

Q A7 B7 Printed by the Central Bureau of Standards, Ministry of Economic Affairs, Shelley Consumer Cooperative, V. Invention Description (10) is a clockwise steering wheel such as ® 4 and 5 (this direction refers to the direction of the foot pedal = the direction from the right side) When this village is applied to the following description, the bicycle system moves forward, and here, the power system from the pedal shaft 20 is conveyed as follows. And the driving pedal shaft 20 rotates clockwise, and the sun gear 60. The pedal is coordinated, and the shaft 20 rotates clockwise. Here, because the second pawl _ engages with the second clamping tooth 52, the bracket 50 rotates in the same direction as the pedal shaft 20. Therefore, when the chain meshed with the planetary gear 54 rotates clockwise, the planetary gear 54 cannot rotate alone, so that the 'pedal shaft 2G and the sprocket cover 7G rotate in the same direction with each other, thereby making the foot The wall bike moves forward. First, it moves forward by the foot pedal backwards. It means that when the foot pedal shaft 20 is driven to rotate counterclockwise, the bicycle system moves forward. It is communicated as follows; for this operation, the first jaw offender and the first ratchet wheel 51 should They are engaged with each other to control the exchange ring 4o as shown in FIG. 4A. When the pedal shaft 20 is driven to rotate counterclockwise, the sun gear 60 cooperates with the pedal 2. The counterclockwise rotation is here because the first The second filial piety criminal slips through the second clamping tooth 52, and may transmit power to the bracket 50. At the same time, as shown in FIG. 5, the third gear 61 of the sun gear 60 transmits the power to the mesh with the sun gear 60. The planetary gear 54 thereby rotates the planetary teeth clockwise. The rotation of the planetary gear 54 provides a force to rotate the bracket 50 which is integrally connected to the planetary gear 54. However, because the first pawl is connected with As shown in the figure, the first ratchet 51 of the bracket 50 is engaged, and the bracket 50 cannot rotate counterclockwise. Therefore, when only the planetary gear 54 rotates as shown in FIG. People (please read the precautions on the back before filling this page) ¥ Binding-Binding · a This paper size applies to Chinese national standards (CNS> M specifications (210X2% (mm) Α7 Β7 V. Description of the invention (11) 54 mesh The key wheel cover 70 is rotated clockwise. The direction of the counterclockwise driving force applied to the pedal shaft 20 is changed by the device for changing the direction of power according to the present invention, and thereby the sprocket cover 70 is rotated clockwise. Third, " by backward Idling when pedaling means that when driving the pedal shaft 20 counterclockwise, only idling occurs and the power cannot be transmitted to the sprocket cover 70, so the bicycle cannot move forward. Here, the power from the pedal 20 The transmission is as follows. For this operation, the first pawl 32 of the shaft sleeve 30 and the first of the bracket 50; the ratchet 51 should not be engaged with each other by controlling the exchange ring 40 shown in FIG. 4B. The power transmission procedure is the same as the step of "forwarding forward by the rear pedal" " in the clockwise direction by the planetary gear 54 is applied to the bracket 50, except that when the planetary gear 54 rotates, because the first A pawl 32 does not mesh with the first ratchet 51, and the bracket 50 itself rotates counterclockwise about the pedal shaft 20, so the power from the pedal shaft 20 is only reached by the bracket 50, and Did not communicate to the key wheel cover 70, so the bike Can't _ forward. Idling backward by pedaling on a common bicycle is different from the viewpoint of borrowing the power direction changing device of the present invention " Idling by pedaling backwards, i.e., by idling by pedaling backwards on a common bicycle, The driving sprocket and chain rotate in reverse with the pedal shaft, however, the driving sprocket and chain do not rotate in the present invention. As described above, the device of the present invention is a kind of two-way forward device " which adopts new parts to convey power in a way different from conventional devices, and 'because the shape of each component is optimized, It can be avoided (please read the precautions on the back before filling this page), ν9- Printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs

This paper is in accordance with the national standard of the country A (α ^ 7Α4 ^ (21 ^ 2 ^^), printed by the Consumer Cooperatives of the Central Directorate of the Ministry of Economic Affairs, A7 " ~ ------- B7 V. Inventions '' a- The load is concentrated at a specific position, and the parts are integrally formed. The installation handle is simply completed. In addition, a rod is fixed to simplify the operation of the installation, and the structure of the sleeve is adjusted and corrected. It can be directly fixed to a conventional bicycle, which will be described in the embodiment of the present invention. In the following, the first, second and third embodiments of the present invention will be described based on the above invention, and will be described in the first embodiment. In the example, the position of a unidirectional ratchet for forward rotation and a ratchet for controlling reverse rotation is shifted to each other. In the second embodiment, the shift lever system is replaced by a wire, and In the three embodiments, the shape of the shaft sleeve is adjusted by the adjustment bar so that the power direction changing device can be directly fixed on the conventional bicycle without adjusting the traditional bicycle. Embodiment 1 Please refer to FIGS. 6 to 9, one of this embodiment Basic feature The position of the unidirectional ratchet that rotates forward and the ratchet that controls reverse rotation, that is, the position of the ratchet used to rotate forward is moved from the inside of the bracket to the outside, and is used to The position of the ratchet that controls the reverse rotation is reversed. In order to shift the position of the above-mentioned one ratchet, 'constituent parts are manufactured in different shapes from the above invention, however, the number of parts is the same as that of the above invention and Its operation is also similar to the invention described above, and the shape of the modified part will be described as follows. As shown in Figs. 6 and 7, a sleeve 130 has a hollow cylindrical protrusion on its right and a plurality of openings 131 on the outside. The opening κι can be inserted by most of the third pawls 132, and the shaft sleeve 13 has a circular plate shape.

The scale of this paper applies the Chinese national standard (CNS> Α4 specification (210 × 妫 7 mm) (please read the precautions on the back before filling in this page). Binding. Order A7 B7 V. Description of the invention (13) The side wall and a housing for the above The hole 133 of the first gear 81 of the invention is located closer to the foot pedal shaft 120 than the hole 33 of the invention, because the shaft sleeve 130 is obtained by moving the edge of the shaft sleeve 30 The exchange ring 140 of this embodiment is different from the exchange ring 40 of the present invention described above. The fifth ring gear is formed on the side facing the outside of the foot 4 plate shaft 120. The exchange ring 140 is located at the third position. Between the claw 132 and the third ratchet wheel 151 of the bracket 150. As shown in Figs. 6 and 8, a bracket 150 in this embodiment is located on the bracket 150; A plurality of fourth pawls 152 are inserted and a third ratchet 151 is provided inside the left part, and the right part of the bracket 150 is the same as the right part of the bracket 50 of the present invention. The structure bracket 150 and the fourth pawl 152 are connected to the key wheel cover 170. The four clamping teeth 172 are engaged and the third ratchet 151 is engaged with the third pawl 132 of the axle 130.-The sun gear 60 of this embodiment has a factory fixed inside of the pedal shaft and a sixth gear 161 And only the outside which meshes with most of the planetary gears 154. And 'as shown in Figs. 6 and 9, the sprocket cover 170 has a seventh gear 171 inside the right edge of Fig. 6 and a fourth ratchet 172 to the left, so The seventh gear 171 meshes with the planetary gear 154 of the bracket 150 and the fourth ratchet 172 meshes with the fourth pawl 152 of the bracket 150. Other parts of the printing system printed by the Consumer Cooperative of the Central Standard Bureau of the Ministry of Economic Affairs should be in line with the above. Corresponding parts of the present invention are the same, and in Figs. 6 to 9 'reference number 11〇 represents a bicycle frame, reference number ιη represents a pedal shaft sleeve', reference number 153 represents a bracket ring, and reference number 155 represents a planet The shaft of the gear, and the reference number 173 represents a sprocket support -15-This paper ruler and the universal standard (〒5) 44 size (210 father 2 妗 mm) A7 B7 V. Description of the invention (14 ) Operation of this embodiment having the above structure The operation and effect will be described below. First, the "forward by stepping on the pedal forward" is completed by the following mechanism. When the pedal shaft 120 rotates clockwise, the sun gear 16 The pedal shaft 120 rotates in the same direction, and the planetary gear 154 rotates counterclockwise. However, the bracket 150 itself rotates clockwise at a rotation rate different from that of the pedal shaft 120, and the fourth of the bracket 150 The claw 152 is engaged with the fourth ratchet 172 of the sprocket cover 170, thereby rotating the sprocket cover 170 in a clockwise direction. Secondly, the "forward by stepping on the foot pedal backward" is after the exchange ring 40 allows the third pawl 132 to be released from the hole of the exchange ring 140, and the second pawl 132 of the sleeve 130 It is completed when it is coupled with the third ratchet wheel 151 of the bracket 150, that is, when the bracket 150 is fixed, the step forward by stepping on the pedal backward is completed, so the planetary gear 154 changes from the sun wheel The power direction of 160 is rotated around its own sleeve, thereby providing clockwise power to the key wheel cover 17. • Finally, the idling by stepping on the pedal backward is accomplished by the following mechanism, the exchange ring 140 prevents the second pawl 132 from being released from the opening of the sleeve, so the bracket 150 rotates in the same direction as the sleeve 120, as a result The power from the sun gear 160 cannot be transmitted to the sprocket cover. 70. Embodiment 2 The second embodiment of the present invention relates to the control of the exchange ring 40. The above-mentioned exchange ring 40 of the present invention releases and obstructs the first pawl 32 ~ 16 by using the first ring 81 (see FIGS. 1 and 2) formed on the side wall of the sleeve 30. Person A7 B7 V. Description of the invention (15) In order to control the first gear 81 formed in the sleeve 30, the sleeve 30 should be drilled to form a shift lever 80 that can be installed from the outside through the hole 33. When the shift lever 80 is turned backward, the first gear 81 rotates in conjunction with the shift lever 80, and the exchange ring 40 coupled with the first gear 81 rotates in the same direction as the shift lever go, thereby releasing and obstructing the first Switch 32. The above-mentioned shifting lever 80 is protruded to the outside of the shaft sleeve 30, so that the protruding shifting lever 80 avoids the device that changes the direction of power from being successfully connected to the conventional bicycle. * In this way, the ^ th embodiment is to improve the above-mentioned disadvantages. Here, a steel wire is used instead of the shift lever to connect the power direction changing device to the conventional bicycle, thereby controlling the exchange ring. As shown in FIG. 10, the mechanism for controlling the exchange ring 43 in the second embodiment has only a looper 44 at one end of the exchange ring 43 'having a plurality of holes 45. Here, the looper 44 is used to connect a steel wire 46 from The outside of the sleeve 30 passes through a hole 33, and * ... thus controls the exchange ring 43, that is, when the wire is pulled, the exchange ring 43 locks the first pawl 32, and when the steel wire 46 is When pushed, the exchange ring 43 releases the first pawl 32. Embodiment 3 The third embodiment relates to a bushing 30, wherein the shape of the bushing 30 is modified to be suitable for directly fixing the power direction changing device of the present invention on a conventional bicycle without modifying the conventional bicycle. Its shape. Fig. 11 shows a state in which the power direction changing device of the present invention is mounted on a conventional bicycle. In the third embodiment, the appearance of the shaft sleeve 30 having a hollow cylindrical shape is improved. -17-This paper size applies to China National Standards (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page) Printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs

Consumption by employees of the Central Bureau of Standards of the Ministry of Economic Affairs. Cooperative Du printed A7 — ______________ Five 'invention description (16) The sleeve 34 of this embodiment has a multi-level appearance, that is, the cylindrical sleeve 34 is sequentially to the left Multi-stage, in which the diameter of the left side of the sleeve 34 is smaller than the diameter of its right side, and a connecting tube 15 is adopted to provide compatibility 'when its connection changes the power of the life-saving device to the footboard sleeve of the conventional bicycle 11 o'clock. A right-handed screw 35 is formed on the outside of the connection pipe 15, and the outside diameter of the connection pipe 15 is the same as the outside diameter of the pedal sleeve n, and the inside diameter is the same as the outside diameter of the sleeve 34, On the other hand, an additional nut 36 is manufactured as follows. A left-hand screw 37 is formed on the outside of the nut 36 and the left side of the nut 36 is processed to have a cone 38. According to this, the sleeve 34 is installed on the conventional bicycle by the following procedure. First, the connection pipe 15 is connected to the pedal pedal sleeve 11 by the right-handed screw 35, and the connection pipe 15 passes through a tooth groove. The coupling is connected to the sleeve material, and then the nut 36 is tightened on the opposite side of the left-hand screw connection by the left-hand screw 37. The assembly is then completed using a washer 39. When the night power changing device of this embodiment is connected to the conventional bicycle, the axle sleeve 34 is connected to the pedal sleeve 12 more tightly, even if the reverse load caused by pulling the bicycle backward is passed through the active chain. The wheel is applied to the power direction changing device of the present invention, that is, when the reverse load applied to the power direction changing device increases, the 'sleeve 34 is formed by a cone 38 formed inside the nut%. It is tightly connected to the squat board grip, because the right-hand screw 35 of the connection tube 15 and the left-hand screw 37 of the nut 36 are connected to each other in opposite directions. In addition, the shaft sleeve 30 and the material plate are said to have a ridge and a valley shape by processing the contact portion between the shaft sleeve such as the side of the foot pedal 11 -18 ' Please fill in this page for the note items) ---- Install -------- Order ------ .. X --- *-^ 1 · B7 V. Description of the invention (17) and can be closely related to each other coupling. Industrial applicability Therefore, when the pedal is moved forward and backward while the power direction changing device is installed on the bicycle, the bicycle will move forward, and when • β is installed on the foot, the power direction changing device is installed] ^ In the state of the car, idling can occur if you step on the pedal backward if necessary. The device for changing the direction of power of the present invention is a "two-way pedal device" which is different from the conventional two-way pedal on the components and operating mechanism. In addition, according to the invention, the power direction is changed, and the shape of each component is optimized, thereby avoiding the load S on specific impurities, and all components are formed zero, thereby simplifying the assembly process, Change the direction of power Cao shift lever to be equally easy to operate and-as a supplementary ring to install the use of a conventional bicycle instead of riding a conventional bicycle for correction. To the -19 degree applicable to the Central-Country (CNS) A4 specification (210X297 mm

Claims (1)

A8 B8 C8 D8 Patent application scope l.- A device for changing the direction of power of a footwall vehicle, including-a sun gear with a foot pedal sleeve,-most planetary gear systems are rotatably fixed to the bracket 'And—a bidirectional pedaling device for an active sprocket with an internal gear, the power direction changing device includes: one set of four pedal pedal shafts with at least one or more openings to the right of the bushing The inside of the edge of the cover and has-a hole in its side wall, where ... the majority of-the pawl is inserted into the opening 'and-the mechanism of the exchange ring is inserted into the hole and the first pawl It is connected with the first ratchet of the bracket. The exchange ring between the bushing and the first ratchet of the bracket is oriented in the direction of the pedal that is driven by the rest of the exchange ring. The -side of the shaft has -the second tooth is thin and has at least one or more holes on the surface part which allows the first pawl projection to shrink; a bracket with a hollow cylindrical shape, which is respectively on its left part There is a first ratchet and a second ratchet on the outside and inside , And a ring with at least one or more holes on the right portion thereof, wherein the right portion is integrally coupled to the left portion such that at least one or more planetary gears are rotatably provided by a planetary gear shaft, And the second ratchet gear meshes with the second pawl of a sun gear, the inner gear of the planet gear meshes with the third gear of a sun gear, and the outer gear meshes with a fourth gear formed inside the sprocket cover. Meshing; a sun gear with a stepped hollow cylinder having at least one or more openings with smaller straight accesses to the outside of its left portion, where = the second pawl is connected into the opening, and a -20 liX with the pedal pedal. The paper size is applicable to Chinese National Standards (CNS) M specifications (210X 297 cps) (Please read the precautions on the back before filling this page.) Order the staff of the Central Standards Bureau of the Ministry of Economic Affairs Consumption cooperative prints A8 B8 C8 D8, 6. The central opening of the patent application scope is inside the left part, and a third gear with a larger diameter is on the right Outside; and a sprocket cover, which has a fourth gear on the right side of the inside of the edge, wherein the sprocket cover is free to rotate on the pedal shaft independently and by a «a fixed nut cover It is fixed to the pedal A. 2. For the device for changing the power direction of the bicycle, for example, the first patent application, eight first pawls are provided on the opening of the shaft sleeve. 3. For example, the device for changing the direction of the power of the bicycle in the first patent application park, wherein the mechanism for controlling the exchange ring is a first gear. 4. For the device for changing the direction of bicycle power according to item 3 of the patent application park, wherein the first gear train is controlled by installing a shift lever on the outside of the bushing. 5. For the device for changing the direction of bicycle power, as described in the patent application No. 3, the mechanism of the sleeve that controls the exchange ring is controlled by a steel wire. It is formed at one end of the exchange ring, and the steel wire is inserted from the outside of the looper through a hole in the bushing. 6. For the device for changing the power direction of the bicycle in the first paragraph of the patent application, the number of holes in the exchange ring is eight. Printed by the Employees' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling out this page) 7. If you apply for the patent in the first paragraph of the device for changing the direction of the power of the bicycle, where The number is eight. 8. For the device for changing the power direction of the bicycle according to item 1 of the patent application park, four of the second pawls are inserted into the opening of the sun gear. 9. If the device for changing the direction of the bicycle's power is applied to item 2 or 8 of the patent application park, a spring device is inserted between the opening and the pawl. This paper size is applicable to Chinese National Standard (CNS) A4 (210X297 mm) Printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs A8 B8 C8 D8 f 6. Application scope of patent 10. If you apply for the change of item 9 of the patent fan park Power direction device, wherein the spring device is a circular spring used to connect the groove of the pawl. 11. The device for changing the power direction of the bicycle, such as the patent application No. 1 item, wherein the sun gear has a Six is the central opening of the shape. 12. For example, the device for changing the direction of bicycle power in the first patent application, wherein the sun gear has a gear-like central opening. 13. For the device for changing the direction of the moped of a bicycle according to item 1 of the scope of patent application, wherein the sprocket cover has a screw on the outside of the left part of its edge, and has at least one or more supports on the outside of its right part, One or more active sprocket wheels are caused to be coupled to the sprocket cover. 14. For the device for changing the power direction of the bicycle according to item 13 of the patent application park, one of the bearings is fixed at the center of the sprocket cover. 15. A device for changing the direction of power of a bicycle, as a device including a sun gear coupled to a pedal shaft, < a bracket on which most planetary gear trains are rotatably fixed, and a A bidirectional pedaling device for an active sprocket with an internal gear, the power direction changing device includes: a shaft sleeve with a circular plate type side wall for supporting a relatively movable pedal shaft, which has a hollow cylindrical protrusion To its right, at least one or more third pawls are external to it, and a hole for receiving a mechanism for controlling the exchange ring; an exchange ring between the third pawl and a third ratchet of a bracket It has a fifth gear on one side of the pedal shaft that is connected to the control ring and has at least one on its surface. The size of the paper is applicable to the national standard (CNS) A4. (210X297mm) (Please read the notes on the back before filling in this page) ： 11 -22 A8 Βδ C8 D8 The Central Guiding Bureau of the Ministry of Economic Affairs ϋΛconsumer cooperative prints Zhang-Paper's patent scope or more holes, where the third pawl system is controlled; less ~ = frame, its It has a fourth pawl and a third ratchet on the outside and inside of the left part, and a ring with at least-or a porous hole on the right part, where the right part is a whole = The side parts are connected so that at least u or more planetary gears can be rotatably set by reading the star gear shaft, and the fourth key of the wheel = four ratchets and the third ratchet system and And its external butterfly-key wheel cover ΐ second ===; on the foot and its outside is accompanied by-the fourth tooth * which has-the seventh gear on the inside of its side and a free secret 5, outside of which 'The key wheel can be covered on the pedal shaft'. Rotate alone and borrow-the solid gas nut is fixed on the pedal pedal shaft to install 16 or 15 items to change the bicycle's power direction. The i-cylinder bushing is compatible and can be installed on the foot squat board. And ί: Borrow the outer sleeve with multiple steps in order on the left and the diameter of the sleeve, and a left-handed screw: the same as the nut over the inside. , °, and cone processing -23 CNS) A4 ^ (21〇x ^^-y M | ^ 3 reasons, the standard is applicable to the national elephant standard (