JP3195083U - Bicycle hub clutch drive system - Google Patents

Abstract

A clutch drive system for a bicycle hub that greatly improves the driving force is provided. A hub set, a sleeve seat provided in the hub set, an axle set, a clutch drive device, and a return member are provided. The hub set 10 is installed at the central portion of the rim and has a hollow cylindrical shape. The sleeve seat 20 has a hollow cylindrical shape, and has an outer diameter having a ratchet bearing 21 and a free wheel bearing 22 at predetermined positions. Are extended to the opposite positions. The free wheel bearing 22 is a part connected to a free wheel set. By using the clutch-type driving device 40 to drive in the radial direction and linearly move, it is possible to reduce the power consumption of the clutch-type driving device that “drives in the radial direction” and double linearity such as high agility of linear movement. Has an effect. [Selection] Figure 11

Description

  The present invention relates to a clutch-type drive system, and more particularly, it is used for a bicycle hub and utilizes a clutch drive system that moves linearly in a radial direction. The present invention relates to a clutch type drive system that can be used.

  The main object of the present invention is to provide a clutch-type drive system for a bicycle hub. In other words, a clutch-type drive device that is driven in the radial direction and linearly moves is installed between the sleeve seat and the hub set, and the power consumption of the clutch-type drive device that "drives in the radial direction" is reduced, and the linear movement is highly agile. Etc. have a double effect.

  Another object of the present invention is to provide a clutch-type drive system for a bicycle hub. That is, the clutch-type drive device has a clutch drive block that moves linearly, and has a large contact area due to the design of a plurality of ratchets and a plurality of drive gears, thereby increasing the driving force and achieving a power saving effect.

  It is a further object of the present invention to provide a bicycle hub clutch drive system. That is, the force received by the clutch-type drive device is distributed to each ratchet of the clutch drive block on average, thereby reducing the degree of wear of each ratchet and reducing the situation where a single ratchet receives a large drive force, Extend the useful life.

  Finally, the present invention aims to provide a clutch-type drive system for a bicycle hub. That is, a plurality of ratchets are installed in the clutch drive block, and even if one ratchet is damaged, the other ratchets continue to be driven without being affected, eliminating the need for replacement and reducing the maintenance cost of the members.

  In order to solve the above-described problems and achieve the object, a clutch-type drive system for a bicycle hub according to the present invention includes a hub set, a sleeve seat provided in the hub set, and each hub set and sleeve seat. A set of axles drilled in between, and a clutch-type drive device installed in each of the ratchet bearings and the hub set. The clutch-type drive device has a clutch set, a drive set, and at least one clutch drive block installed between each clutch set and the drive set. The clutch set includes a first ratchet portion provided on the ratchet bearing, and a second ratchet portion provided on the clutch drive block. The drive set is a first drive gear installed on the hub set, and It is comprised by the 2nd drive gear installed in a clutch drive block. The clutch drive block linearly moves in a radial direction between each of the first driving gears and the first ratchet portion, so that the space between each of the first ratchet portion and the second ratchet portion is converted into a clutch state. Drive in a single direction to rotate each hub set and sleeve seat synchronously. Both return members are mounted outside the clutch drive blocks and the first ratchet portion, and provide the clutch drive block with a force for linear movement in the radial direction of the first ratchet portion. Using the above-described member configuration, the radial drive and linear movement design using the clutch-type drive device is utilized, thereby reducing the power consumption of the clutch-type drive device that is “radial direction drive” and linear. It has a double effect such as high agility of movement. A clutch drive block combined with a plurality of ratchets and a plurality of driving gears has a large contact area, and improves driving force and power saving effect. Furthermore, the degree of wear of each ratchet is averaged, reducing the situation where a single ratchet receives a large driving force and extending the service life. Even if one ratchet is damaged, the other ratchet continues to be driven without being affected, so that the replacement is unnecessary, and the maintenance cost of the member is reduced.

It is a three-dimensional view showing a clutch-type drive system for a bicycle hub according to a first embodiment of the present invention. 1 is a three-dimensional exploded view showing a clutch-type drive system for a bicycle hub according to a first embodiment of the present invention. It is a lineblock diagram showing the clutch type drive system of the bicycle hub concerning a 1st embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan sectional view (1) showing a clutch-type drive system for a bicycle hub according to a first embodiment of the present invention. It is sectional drawing (2) of the plane which shows the clutch type drive system of the bicycle hub which concerns on 1st Embodiment of this invention. FIG. 2 is a state diagram of a snap-off gear in the clutch-type drive system for a bicycle hub according to the first embodiment of the present invention (1). FIG. 5 is a state diagram of a snap-off gear in the clutch hub drive system for the bicycle hub according to the first embodiment of the present invention (2). It is a three-dimensional view showing a clutch-type drive system for a bicycle hub according to a second embodiment of the present invention. It is a block diagram which shows the clutch type drive system of the bicycle hub which concerns on 2nd Embodiment of this invention. It is sectional drawing (1) of the plane which shows the clutch type drive system of the bicycle hub which concerns on 2nd Embodiment of this invention. It is a three-dimensional view showing a clutch-type drive system for a bicycle hub according to a third embodiment of the present invention. It is a partial plane block diagram which shows the clutch type drive system of the bicycle hub which concerns on 3rd Embodiment of this invention. In 3rd Embodiment of this invention, it is an external view of a sleeve seat and a positioning clamp ring. It is an enlarged view of a part of a plane showing a clutch-type drive system for a bicycle hub according to a third embodiment of the present invention. It is a three-dimensional exploded view of an inclination showing a clutch-type drive system for a bicycle hub according to a fourth embodiment of the present invention. It is sectional drawing of the plane which shows the clutch type drive system of the bicycle hub which concerns on 4th Embodiment of this invention. It is a three-dimensional exploded view of the inclination which shows the clutch type drive system of the bicycle hub which concerns on 5th Embodiment of this invention. It is sectional drawing of the plane which shows the clutch type drive system of the bicycle hub which concerns on 5th Embodiment of this invention.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below does not limit the contents of the present invention described in the claims of the utility model registration. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

First embodiment

  Hereinafter, a clutch-type drive system for a bicycle hub according to the present invention will be described with reference to FIGS. A hub set (10), a sleeve seat (20) provided on the hub set (10), an axle set (30), a clutch-type drive device (40), and a return member (50) are provided. The hub set (10) is installed at the central portion of the rim and has a hollow cylindrical shape.

  The sleeve seat (20) has a hollow cylindrical shape, and has an outer diameter having a ratchet bearing (21) and a free wheel bearing (22) at predetermined portions, and the portion of the ratchet bearing (21) is the hub set ( 10) is extended to a position opposed to the inner edge near the side end face. The free wheel bearing (22) is a part connected to the free wheel set.

  The axle set (30) is installed between each hub set (10) and the sleeve seat (20), and a shift lever (31) drilled in the center, and each shift lever (31), It has three rotating members (32) between the inner edge wall of the hub set (10) and the inner edge wall of the sleeve seat (20). The shift lever (31) is formed in an end surface exposed to the outside from the sleeve seat (20) and enters the hub set (10) and the rotating member (32), and then the hub set (10). A waterproof member (33) is screwed to the other end and is positioned. A first waterproof ring (34) is provided between the shift lever (31) and a portion close to the inner diameter edge of the end face exposed outside the sleeve seat (20), and the hub set (10). The second waterproof ring (35) is installed at a location close to the inner diameter edge of the end face exposed to the outside and a portion where the sleeve seat (20) extends.

  The clutch-type drive device (40) is installed between each ratchet bearing (31) and the inner edge wall of the hub set (10), and includes a clutch set (41), a drive set (42), and each clutch set ( 41) and a drive set (42), it has a clutch drive block (43). The clutch drive block (43) is a curved seat that is concentrically installed on each of the hub set (10) and the sleeve seat (20), and forms curved surfaces having concentric inner and outer diameter edges. The clutch set (41) includes a first ratchet portion (411) provided on the ratchet bearing (21) and a second ratchet portion (412) provided on a predetermined edge surface of the clutch drive block (43). The drive set (42) is a first drive gear (421) arranged in a tooth shape on an inner diameter edge wall close to a side end surface of the hub set (10), and the clutch drive block. (43) The second driving gear (422) is installed on the other predetermined edge surface in mesh with the first driving gear (421). The clutch drive block (43) linearly moves in a radial direction between the first drive gear (421) and the first ratchet portion (411), and the first ratchet portion (411) and the second ratchet portion (411). Both the parts (412) are switched between a state in which they are engaged with each other and a state in which they are detached from each other, and between the hub set (10) and the sleeve seat (20) are converted into a driving state and an idling state. In the sleeve seat (20), the first ratchet part (411) and the second ratchet part (412) are engaged with each other, and the first driving gears (421) which are engaged indirectly by transmitting the rotation indirectly. ) And the second drive gear (422), the hub set is rotated in synchronization. The second driving gear (422) has a concave insertion groove (423), and its teeth are divided into two or more parallel rows by a horizontal installation method.

  The return member (50) is applied as an annular clamping ring, is fitted in the insertion groove (43), and is mounted around the clutch drive block (43) and the first ratchet portion (411). The clutch driving block 43 is provided with a force that linearly moves in the radial direction of the first ratchet portion 411.

  With the above-described members, the clutch-type driving device (40) is used to drive in the radial direction and linearly move, thereby reducing power consumption of the clutch-type driving device that drives in the radial direction and increasing linear movement. Has dual effects such as agility. The clutch drive block (43) combined with the plurality of ratchets and the plurality of drive gears has a large contact area, improves the driving force and the power saving effect, and each of the first ratchet portions (411) and the second The degree of wear of the two ratchet portions (412) is also averaged, reducing the situation where a single ratchet receives a large driving force and extending the service life. Even if one ratchet is damaged, the other ratchet continues to be driven without being affected, no replacement is required, and the maintenance cost of the member is reduced.

  Further, in order to promote the understanding of the structural features of the present invention and to achieve the operation of the technical means and the expected effects, the method of use of the present invention will be described below. In the installation of the present invention, first, the first driving gear (421) is formed on the inner peripheral edge wall close to the side end face of the hub set (10) by an integral method. The first ratchet portion (411) is formed on the ratchet bearing (21) of the sleeve seat (20) in an integrated manner. Each rotating member (32) is placed in a fixed position outside the shift lever (31) and positioned, and the return member (50) is attached to the first ratchet portion (43) in the clutch drive block (43). 411). At this time, the return member (50) is fitted into the insertion groove (44), and the first ratchet portion (411) and the second ratchet portion (412) are mutually connected. Each of the sleeve seat (20) and the clutch drive block (43) is configured so that the portion of the clutch drive block (43) is covered in the first drive gear (421), thereby The first drive gear (421) and the second drive gear (422) are engaged with each other. Each of the shift lever (31) and the rotating member (32) has one end of the sleeve seat (20) formed in the sleeve seat (20) and the hub set (10), and the hub set (10). The ends are connected and positioned by the waterproof member (33). The first waterproof ring (34) is installed on the inner peripheral edge wall of the free end of the sleeve seat (20). Finally, the second waterproof ring (35) is installed on the inner diameter edge wall close to the end face exposed to the outside of the hub set (10), and the installation is completed.

  The drive state of this invention is demonstrated based on FIG.4 and FIG.5. The return member (50) provides elasticity to the clutch drive block (43) so as to be always close to the ratchet bearing (21), and the first ratchet portion (411) and the second ratchet portion (412) are connected to each other. Engage. Accordingly, when the sleeve seat (20) is transmitted by the chain device and rotates, the clutch drive block (43) is tuned after the first ratchet portion (411) and the second ratchet portion (412) are engaged. The hub set (10) is indirectly transmitted by the first driving gear (421) and the second driving gear (422) meshed with each other to rotate in the same direction. Will step on and move forward.

  In the present invention, in the non-driven state (see FIGS. 6 and 7), the sleeve seat (20) is not transmitted to the chain device, and when the pedal is not depressed, the sleeve seat (20) does not rotate, Both the clutch drive block (42) and the hub set (10) rotate in a synchronized manner, and the first ratchet portion (411) and the second ratchet portion (412) do not mesh with each other. become. FIG. 6 shows a half-engaged state, and FIG. 7 shows a state where the teeth are not completely engaged. This is because the clutch-type driving device (40) is idling and is not driven, and the hub set (10) is continuously rotated forward according to inertia.

  The clutch-type drive device (40) of the present invention has the clutch drive block (43) that drives in a radial direction and linearly moves, and is installed between each hub set (10) and the sleeve seat (20). The first drive gear (421) and the second drive that are meshed with each other by the drive set (42) installed between the clutch drive block (43) and the hub set (10). The gear (422) is rotated and transmitted. The first ratchet portions (411) and the second ratchet portions (411) and the second ratchet portions which are combined with a clutch set (41) installed between the clutch drive blocks (43) and the sleeve seat (20) and rotate and mesh in a single direction. The ratchet part (412) is converted to rotate and drive, and a driving effect in a single direction is achieved. More specifically, when each of the first ratchet portion (411) and the second ratchet portion (412) is in mesh, both the first driving gear (421) and the second driving gear (422) Creates a default gap. When each said 1st ratchet part (411) and a 2nd ratchet part (412) are detachment | leave states, each said 1st drive gear (421) and the 2nd drive gear (422) exhibit a meshing state.

  The clutch-type drive device (40) according to the present invention is installed on the outer diameter of the sleeve seat (20) in a "radially driven" manner, and the clutch drive block (43) is provided for each first drive. Combined with the technology of linear movement between the gear (421) and the first ratchet part (411), the power saving characteristics when the clutch-type drive device "drives in the radial direction", and the clutch drive block (43) Has a fast reaction and high agility with linear movement. The conventional rotary peristaltic clutch type driving device solves problems such as being easy to delay and slow in response. Therefore, the present invention has the dual effect of improving power saving and driving agility.

  In addition, the clutch drive block (43) according to the present invention has a plurality of ratchets and a plurality of drive gears, so that the second drive gear (422) is slightly attached to the outer edge of the clutch drive block (43). The clutch drive block (43) has a small second ratchet portion (412) on the inner edge thereof, and the first drive gear (421) and the first ratchet portion (411) are mutually connected. Toothed. This connection design increases the contact area, greatly improves the driving force, reduces power transmission wear, promotes the power saving effect, and lacks the driving force of the conventional “radially driven” clutch drive. Let the problem be solved.

  In the clutch-type drive device (40) according to the present invention, the driving force is averaged and received by the second ratchet portion (412) designed with a plurality of teeth, whereby each second ratchet portion ( By averaging the degree of wear of 412), each conventional ratchet solves the situation where the ratchet receives and wears unevenly, and thus the present invention has the effect of extending the service life. At the same time, the second ratchet portion (412) of the present invention continues to drive without being affected by one ratchet even if one ratchet is damaged, and there is no need for replacement. Conventionally, one ratchet is damaged. It only solves the problem that the other three ratchets had to be replaced. Therefore, this invention reduces the maintenance cost of a member effectively.

Second embodiment

  The configuration of the second embodiment of the present invention is shown in FIGS. The ratchet bearing (21) includes a bearing (211) and a bearing ring (212) installed on the sleeve seat (20). The bearing (211) extends in the axial direction and has a slightly convex shape. The first positioning portion (213) is provided around. The bearing (211) has an annular shape, the outer diameter edge is provided with the first ratchet portion (411), and the inner diameter edge is slightly fitted to the first positioning portions (213). The second positioning part (214) is provided around the clutch driving block (43) between the three first ratchet parts (411) and the first driving gear (421). In the second ratchet part (412), two insertion grooves (44) are arranged in parallel in the axial direction, and the second ratchet part (412) is divided into three rows. There are two return members (50), and the return members (50) are fitted in the insertion grooves (44), respectively, and are arranged around the clutch drive blocks (43) that are arranged together.

  In the ratchet bearing (21) of the present embodiment, two structures are respectively installed as the bearing (211) and the bearing ring (212), and the first positioning part (213) and the second positioning part are interposed between the two structures. This is an embodiment in which the portions (214) are fitted to each other. In addition, the design of the plurality of clutch drive blocks (43) greatly improves the drive capability and further saves power. The installation method of each member of this embodiment and the achievement of expected effects are all the same as that of the preferred embodiment.

Third embodiment

  11 to 14 show the configuration of the third embodiment of the present invention. A drive ring (11) having an annular shape is installed on the inner diameter edge close to the side end surface of the hub set (10), and the first driving gear (421) is arranged on the inner diameter edge of the drive ring (11). Installed. The drive ring (11) is screwed and fixed to an inner diameter edge of the hub set (10) by a screwing method, and the sleeve seat (20) is extended to one end of the hub set (10). A positioning groove (23) is recessed in a radial direction from a predetermined portion of the outer edge near the surface. A positioning tightening ring (24) is provided in the positioning groove (23), a side edge is effectively in contact with a side surface of the clutch drive block (43), and the clutch drive block (43) is in the first ratchet. It is prevented from moving in the axial direction on the part (411). The sleeve seat (20) is extended to one end of the hub set (10), and a contact groove (12) is formed in a radial direction from a predetermined portion of the outer diameter edge, and is in contact with any one side wall. A surface (121) is formed. The clutch drive block (43) is covered with the contact groove (12), and both side edges are in contact with the positioning and tightening rings (24) and contact surfaces (121), respectively.

  An inner diameter edge of the hub set (10) of the present embodiment is fixed by being screwed by the drive ring (11) having the first drive gear (421), and details of the sleeve seat (20) include A positioning groove (23) is defined, and the positioning and tightening ring (24) is fitted and positioned, and due to the design of the abutting surface (121), both sides of the clutch drive block (43) are placed on the positioning tightening ring. The abutment ring (24) and the abutment surface (121) are in contact with each other, do not move in the axial direction, and have the effect of preventing wear while maintaining transmission efficiency. The installation method of each member of this embodiment and the achievement of the expected effects are all the same as that of the preferred embodiment.

Fourth embodiment

  15 and 16 show the configuration of the fourth embodiment of the present invention. A small number of first joints (101) extending in the axial direction and having a convex shape are provided around the inner diameter edge of the hub set (10), and the radial edge of the drive ring (11) has a concave shape. At the same time, a few second joints (111) are fitted around the first joints (101).

  In this embodiment, each hub set (10) and another installation method of the drive ring (11) is provided, and each of the first joint (101) and the second joint (111) is formed by an uneven method. They are fitted to each other to achieve localization by fitting. The installation method of each member according to this embodiment and the achievement of the expected effect are completely the same as the preferred embodiment.

Fifth embodiment

  17 and 18 show the configuration of the fifth embodiment of the present invention. It is mainly provided with a hub set (10), is installed in the central part of the rim, has a hollow cylindrical shape, is provided with a ratchet bearing (13) on the inner edge close to the side end face, and the sleeve seat (20) is hollow. And a drive bearing (25) and a free wheel bearing (22) at a predetermined part of the outer diameter, and the part of the drive bearing (25) is an outer diameter of the ratchet bearing (13). The free wheel bearing (22) is a part connected to the free wheel. The axle set (30) is installed between each hub set (10) and the sleeve seat (20), and a shift lever (31) drilled in the center, and each shift lever (31), hub set ( 10) It has three rotating members (32) between the inner edge wall and the inner edge wall of the sleeve seat (20). A clutch-type drive device (40) is installed between each ratchet bearing (13) and the inner edge wall of the drive bearing (25), and includes a clutch set (41), a drive set (42), and each clutch set. It has three clutch drive blocks (43) installed between the drive set. The clutch set (41) includes a first ratchet portion (411) provided on the ratchet bearing (13) and a second ratchet portion (421) provided on a predetermined edge surface of the clutch drive block (43). The drive set (42) includes a first drive gear (421) arranged around the inner peripheral edge wall of the drive bearing (25) in a tooth shape, and other clutch drive blocks (43). The second drive gear (422) is installed on the predetermined edge surface and meshed with the first drive gear (421). The clutch drive block (43) linearly moves in a radial direction between the first drive gear (421) and the first ratchet portion (411), and the first ratchet portion (411) and the second ratchet portion (411). Both the parts (412) are switched to a state in which they are engaged with each other and a state in which they are detached from each other, and between the hub set (10) and the sleeve seat (20) are converted into a driving state and an idling state. The Each sleeve seat (20) is engaged with each of the first ratchet portion (411) and the second ratchet portion (412), and the first drive gear (421) is in mesh with the rotation being indirectly transmitted. ) And the second drive gear (422) and rotate in synchronism with the hub set (10). Both return members (50) are mounted outside the clutch drive blocks (43) and the first ratchet portion (411), and the clutch drive blocks (43) are arranged in the radial direction of the first ratchet portion (411). Provides a linear moving force.

  This embodiment mainly provides other embodiments. That is, the ratchet bearing (13) is installed inside the hub set (10), combined with the driving bearing (25) formed on the sleeve seat (20), and the first driving gear ( 421) is provided around the inner edge of the driving bearing (25), and the driving bearing (25) is connected to the hub set (10). That is, in the original embodiment, the drive set (42) installed in the hub set (10) and the clutch set (41) installed in the sleeve seat (20) are mutually connected to the clutch set (41). The hub set (10) to be installed and the drive set (42) to which the sleeve seat (20) is installed are replaced, and the clutch drive block (43) is connected to each drive set (42) and clutch set (41). ), And this implementation method. The installation method of each member according to this embodiment and the achievement of the expected effect are completely the same as those of the preferred embodiment.

  To sum up the above, the “bicycle hub clutch drive system” described in the present invention is used in a bicycle hub to receive a high driving force, has excellent agility, and the clutch driving device receives an average force. It becomes. The clutch drive block that is driven in a radial direction and linearly moves, and the clutch set and the drive set that are respectively provided between the hub set, the sleeve seat, and the clutch drive block, and a plurality of drive gears, This is achieved by designing the first driving gear, the second driving gear, the first ratchet portion, and the second ratchet portion of the plurality of ratchets. In addition, the entire drive is averaged and received and distributed to each of the first drive gear, the second drive gear, the first ratchet portion, and the second ratchet portion, and only a single tooth portion receives the force. To prevent the situation, and extend the useful life. It operates even if a single tooth is damaged, effectively reduces maintenance costs, acquires a highly practical hub ratchet drive structure, has industrial utility, and is cost-effective.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

DESCRIPTION OF SYMBOLS 10 Hub set 30 Axle set 101 1st junction part 31 Shift lever 11 Drive ring 32 Rotating member 111 2nd junction part 33 Waterproof member 12 Contact groove 34 First waterproof ring 121 Contact surface 35 Second waterproof ring 13 Ratchet bearing 40 Clutch drive device 20 Sleeve seat 41 Clutch set 21 Ratchet bearing 411 First ratchet portion 211 Bearing 412 Second ratchet portion 212 Bearing ring 42 Drive set 213 First positioning portion 421 First driving gear 214 Second positioning portion 422 Second Driving gear 22 Free wheel bearing 43 Clutch driving block 23 Positioning groove 44 Inserting groove 24 Positioning tightening ring 50 Returning member 25 Driving bearing

Claims (12)

A hub set installed at the center of the rim and presenting a hollow cylindrical shape;
It has a hollow cylindrical shape, and a ratchet bearing and a free wheel bearing are provided at a predetermined part of the outer diameter, and the ratchet bearing part extends to a position facing an inner diameter edge near one end surface of the hub set. A sleeve seat where the free wheel bearing is connected to a free wheel set;
A shift lever installed between each hub set and the sleeve seat and drilled in the center, and at least one installed between each shift lever, an inner edge wall of the hub set, and an inner edge wall of the sleeve seat An axle set having a rotating member;
A clutch-type drive device installed between each of the ratchet bearings and the inner edge wall of the hub set, and including a clutch set, a drive set, and at least one clutch drive block provided between each of the clutch set and the drive set;
Each of the clutch drive blocks and the first ratchet portion is mounted outside, and includes a return member that provides the clutch drive block with a linear movement force in the radial direction of the first ratchet portion,
Here, the clutch set includes a first ratchet portion provided on the ratchet bearing, and a second ratchet portion provided on a predetermined edge surface of the clutch drive block,
The drive set is close to an inner diameter edge wall of one side end face of the hub set, and is a first drive gear arranged in a tooth shape and circumferentially arranged;
A second drive gear installed on the other predetermined edge surface of the clutch drive block and meshed with the first drive gear;
The clutch drive block can linearly move in a radial direction between each first driving gear and the first ratchet portion, so that both the first ratchet portion and the second ratchet portion are mutually connected. Switched between the state of being engaged and the state of being detached,
And between each hub set and the sleeve seat is switched between the driving state and the idling state,
The sleeve seat uses the first and second driving gears in meshing states that rotate by being indirectly transmitted by meshing with the first ratchet portion and the second ratchet portion, and the hub set. A clutch-type drive system for a bicycle hub, which rotates in synchronization with the motor. A hub set that is installed at the center portion of the rim, has a hollow cylindrical shape, and is provided with a ratchet bearing on the inner edge close to one end face;
It has a hollow cylindrical shape, and a drive bearing and a free wheel bearing are provided at a predetermined part of the outer diameter, and the free wheel extends to a position facing the outer diameter of the ratchet bearing by the part of the drive bearing. A sleeve seat where the bearing is connected to the freewheel assembly;
A shift lever installed between each hub set and the sleeve seat and drilled in the center, and at least one rotating member located between each shift lever, the hub set inner edge wall, and the sleeve seat inner edge wall Axle set,
A clutch-type drive installed between each ratchet bearing and the inner edge wall of the drive bearing, and having a clutch set, a drive set, and at least one clutch drive block installed between each clutch set and the drive set Equipment,
Both of the clutch drive blocks and the first ratchet portion are mounted outside, and each of the clutch drive blocks includes a return member that provides a linear movement force in the radial direction of the first ratchet portion,
Here, the clutch set includes a first ratchet portion provided on the ratchet bearing, and a second ratchet portion provided on a predetermined edge surface of the clutch drive block,
The drive set is a tooth-shaped first drive gear arranged on the inner peripheral edge wall of the drive bearing;
A second drive gear provided on the other predetermined edge surface of the clutch drive block and meshed with the first drive gear;
The clutch drive block can linearly move in a radial direction between each first driving gear and the first ratchet portion, so that both the first ratchet portion and the second ratchet portion are mutually connected. Switched between the state of being engaged and the state of being detached,
And between each hub set and the sleeve seat is switched between the driving state and the idling state,
The sleeve seat uses the first and second driving gears in meshing states that rotate by being indirectly transmitted by meshing with the first ratchet portion and the second ratchet portion, and the hub set. A clutch-type drive system for a bicycle hub, which rotates in synchronization with the motor.   When each of the first ratchet portion and the second ratchet portion is in a detached state, each of the first drive gear and the second drive gear is in mesh, and each of the first ratchet portion and the second ratchet portion is The clutch-type drive of a bicycle hub according to claim 1 or 2, wherein a predetermined gap is generated in each of the first drive gear and the second drive gear when in a meshed state. system.   The axle set is perforated on an end surface exposed to the outside of the sleeve seat of the shift lever and enters each hub set and rotating member, and a waterproof member is screwed to the other end of the hub set. The position of the clutch drive block is a curved seat that is concentrically installed on each of the hub set and the sleeve seat, and has a curved surface having concentric inner and outer diameter edges. Item 3. The clutch-type drive system for a bicycle hub according to Item 1 or 2.   The bicycle hub according to claim 1 or 2, wherein the sleeve seat is provided with a first waterproof ring between a position close to an inner diameter edge of an end surface exposed to the outside and the shift lever. Clutch type drive system.   The hub set according to claim 1 or 2, wherein a second waterproof ring is installed at a location close to the inner diameter edge of the end face exposed to the outside and a portion where the sleeve seat extends. A clutch-type drive system for the described bicycle hub.   The second drive gear has at least one concave insertion groove, and the tooth portion is divided into two or more rows in parallel by a horizontal installation method, and the return member is fitted inside, and the return The clutch-type drive system for a bicycle hub according to claim 1 or 2, characterized in that the member is applied as an annular clamping ring.   The ratchet bearing is composed of a bearing and a bearing ring installed on the sleeve seat, and the bearing is provided with a slight first positioning portion that extends in the axial direction and has a convex shape, and the bearing ring is a ring. The first ratchet portion is provided on the outer diameter edge of the body, and a small number of second positioning portions fitted to the first positioning portions are provided around the inner diameter edge. The clutch-type drive system for a bicycle hub according to claim 1, wherein:   The inner ring edge adjacent to one end face of the hub set is provided with a ring-shaped drive ring, and the first drive gear is provided on the inner ring edge of the drive ring. 2. A clutch-type drive system for a bicycle hub according to 1.   A small number of first joints having a convex shape extending in the axial direction are provided around the inner diameter edge of the hub set, and a concave shape is formed on the radial edge of the drive ring and the first joint parts are mutually connected. The clutch-type drive system for a bicycle hub according to claim 8, characterized in that some second joints to be fitted are provided around.   The sleeve seat is extended to one end of the hub set, and a positioning groove is recessed in a radial direction from a predetermined portion of the outer diameter edge close to the edge surface, and a positioning fastening ring is formed in the positioning groove. The side edge of the clutch drive block is effectively contacted with a side surface of the clutch drive block to prevent the clutch drive block from moving in the axial direction in the first ratchet portion. A clutch-type drive system for the described bicycle hub.   The sleeve seat is extended to one end of the hub set, a contact groove is formed in a radial direction from a predetermined portion of an outer diameter edge thereof, and a contact surface is formed on a side wall thereof, and the clutch drive block 11. The bicycle hub clutch drive system according to claim 10, wherein: the bicycle hub is covered with the contact groove, and both side edges are in contact with the positioning tightening ring and the contact surface, respectively.