Starter and one-way clutch capable of reducing abrasion thereof

Abstract

The starter comprises a starter body, a driving and controlling mechanism and a one-way clutch assembly, the driving and controlling mechanism is arranged on the starter body, the one-way clutch assembly comprises a driving component, a driven part and a plurality of rolling parts, the driving component is connected with the driven part, and the rolling parts are arranged on the driving component. The driving component is connected to the driving control mechanism in a controllable mode and can be controlled by the driving control mechanism to move on the driven part, the driven part can be driven by the driving component to rotate when the driving component moves to a preset distance, and a driving wheel is arranged at the end, away from the driving component, of the driven part. Each rolling piece is connected to the driving component in a rolling mode and can roll on the driven piece, and therefore the driving component can move on the driven piece in the mode that each rolling piece rolls when driving the driven piece to rotate.

Description

Technical Field

[0001] The utility model relates to the field of starters, in particular to a starter and a one-way clutch capable of reducing wear thereof. Background Art

[0002] When the starter starts the engine, the one-way clutch in the starter is driven to drive the drive wheel to rotate the engine flywheel meshing with the drive wheel. However, in the process of the one-way clutch being driven, the driving member in the one-way clutch needs to drive the passive member to rotate. Before the driving member drives the passive member, the driving member needs to first slide along the surface of the passive member to the raised part of the passive member. Then, the driving member abuts against the raised part of the passive member to drive the passive member to rotate as a whole.

[0003] However, as the number of times the engine is started increases, the number of times the one-way clutch in the starter is driven increases, which increases the number of times the driving member and the passive member in the one-way clutch slide against each other. This may cause the driving member and the passive member to be damaged due to multiple sliding frictions with each other, and may even make the driving member unable to abut against the raised portion of the passive member, thereby affecting the process of the driving member driving the passive member to rotate, resulting in a shortened service life of the one-way clutch. Utility Model Content

[0004] One advantage of the utility model is that it provides a starter and a one-way clutch thereof that can reduce wear. The starter and the one-way clutch thereof that can reduce wear are provided with at least one rolling member on the driving member, and each of the rolling members can change the mutual sliding friction between the driving member and the passive member into mutual rolling friction. Thus, each of the rolling members reduces the friction area between the driving member and the passive member, thereby reducing the degree of friction damage between the driving member and the passive member, thereby extending the service life of the one-way clutch.

[0005] In order to achieve at least one of the above advantages of the present invention, the present invention provides a one-way clutch assembly, the one-way clutch assembly comprising:

[0006] A driving member, a passive member and a plurality of rolling members, wherein the driving member is connected to the passive member and can move on the passive member, and the passive member can be driven by the driving member to rotate when the driving member moves to a predetermined distance, a driving wheel is arranged at one end of the passive member away from the driving member, each of the rolling members is rollably connected to the driving member, and each of the rolling members can roll on the passive member, so that the driving member can move on the passive member by rolling each of the rolling members when driving the passive member to rotate.

[0007] According to one embodiment of the utility model, the driving component includes a first driving member, a second driving member and at least one elastic element, wherein the second driving member is arranged between the first driving member and the passive member, and the second driving member is connected to the first driving member and can be driven by the first driving member to move to the passive member, each of the elastic elements is arranged between the first driving member and the second driving member, and one end of each of the elastic elements is installed on the first driving member, and the other end of each of the elastic elements is installed on the second driving member, and each of the elastic elements can push the second driving member toward the passive member, so that the second driving member can move relative to the passive member.

[0008] According to one embodiment of the utility model, the first driving member has an installation groove and at least one clamping groove connected to the installation groove, the installation groove and the clamping groove are both connected to the outside and are used to install the second driving member, the second driving member extends along the radial direction to form the same number of clamping parts as the clamping groove, so that when the second driving member is installed in the installation groove of the first driving member, each of the clamping parts is installed in each of the clamping grooves, and each of the clamping parts can abut against the inner wall forming the clamping groove.

[0009] According to one embodiment of the utility model, the first driving member also forms the same number of limiting grooves as the elastic elements, each of the limiting grooves is connected to the installation groove for installing one end of the elastic element, and the second driving member also forms the same number of clamping grooves as the elastic elements, each of the clamping grooves is connected to the outside world for installing the other end of the elastic element installed in the limiting groove, and each of the clamping grooves is arranged to be aligned with each of the limiting grooves, and each of the elastic elements can be simultaneously limited in one of the limiting grooves and one of the clamping grooves when the second driving member is installed on the first driving member.

[0010] According to one embodiment of the utility model, the passive member extends in a direction close to the second driving member to form an action portion having the same number as the clamping portion, each of the action portions is spaced and evenly arranged on the rotation path of the clamping portion on the second driving member, and each of the action portions can be acted upon by the clamping portion when the second driving member moves a predetermined distance so that the passive member can be driven by the second driving member to rotate along the axial direction of the second driving member.

[0011] According to one embodiment of the utility model, each of the acting parts is provided with an abutting part and an inclined part connected to the abutting part, wherein the abutting part is used to abut the clamping part of the second driving member, and the inclined part is arranged to be inclined toward another acting part in the same direction as the rotation direction of the second driving member, so as to guide each clamping part of the second driving member to approach one of the acting parts.

[0012] In order to achieve at least one of the above advantages of the present invention, the present invention provides a starter, the starter comprising:

[0013] A starter body, the starter body forming an opening and a mounting cavity communicating with the opening, wherein the opening communicates with the outside;

[0014] A drive control mechanism, wherein the drive control mechanism is arranged in the mounting cavity of the starter body;

[0015] As in any one of the above-mentioned one-way clutch assemblies, the driving member of the one-way clutch assembly is controllably connected to the drive control mechanism.

[0016] According to an embodiment of the utility model, the drive control mechanism includes a control component and a drive component, and both the control component and the drive component are arranged in the installation cavity of the starter body, and both the control component and the drive component are connected to the one-way clutch component.

[0017] According to one embodiment of the utility model, the control component includes a control element, a control arm and a pushing member, wherein the control element is installed in the installation cavity, the control arm is connected to the inner wall forming the installation cavity in a manner that can form a lever, and one end of the control arm is installed on the control end of the control element, and the other end of the control arm is installed on the outer wall of the pushing member, the pushing member is movably connected to the driving component and can move to the driving component when the control element drives the control arm, and the driving member of the one-way clutch component is rotatably connected to the pushing member.

[0018] According to one embodiment of the utility model, the driving assembly includes a driving member and a driving shaft, one end of the driving shaft is connected to the driving end of the driving member, and the inner shaft ring of the driving shaft is rotatably connected to the one-way clutch assembly and the driving wheel installed on the one-way clutch assembly, and the outer shaft ring of the driving shaft is slidably connected to the pushing member, and the first driving member, the second driving member, the passive member and the driving wheel installed on the passive member are all connected to the inner shaft ring of the driving shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1A stereoscopic diagram of the starter and the one-way clutch capable of reducing wear of the starter according to the utility model is shown.

[0020] Figure 2 A cross-sectional view of the starter and the one-way clutch capable of reducing wear of the utility model is shown.

[0021] Figure 3 The schematic diagram of the structure of the starter and the one-way clutch capable of reducing wear of the utility model in one state is shown.

[0022] Figure 4 A stereoscopic view of a one-way clutch assembly in a starter and a one-way clutch capable of reducing wear of the starter is shown.

[0023] Figure 5 An exploded view of a one-way clutch assembly in a starter and a one-way clutch capable of reducing wear of the starter and the one-way clutch of the utility model is shown. DETAILED DESCRIPTION

[0024] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0025] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0026] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0027] refer to Figures 1 to 5 A starter and a one-way clutch for reducing wear according to a preferred embodiment of the present invention will be described in detail below. The starter includes a starter body 10, a one-way clutch assembly 20 and a drive control mechanism 30.

[0028] The one-way clutch assembly 20 is disposed on the starter body 10, and the one-way clutch assembly 20 is controlled to be movably connected to the drive control mechanism 30. The drive control mechanism 30 first pushes the one-way clutch assembly 20 so that the one-way clutch assembly 20 can mesh with the driving flywheel of the engine, and the drive control mechanism 30 then drives the one-way clutch assembly 20 to rotate so that the driving flywheel of the engine is driven to rotate, thereby starting the engine.

[0029] The one-way clutch assembly 20 includes a driving member 21, a passive member 22 and a plurality of rolling members 23. The driving member 21 is connected to the passive member 22 and can be controlled by the drive control mechanism 30 to move to the passive member 22, and the passive member 22 can be driven by the driving member 21 to rotate when the driving member 21 moves to a predetermined distance. A driving wheel 221 is provided at one end of the passive member 22 away from the driving member 21, and the driving wheel 221 can mesh with the driving flywheel of the engine. Each of the rolling members 23 is rollably connected to the driving member 21, and each of the rolling members 23 can roll on the passive member 22, so that the driving member 21 can move to the passive member 22 by rolling each of the rolling members 23 when driving the passive member 22 to rotate.

[0030] Those skilled in the art can understand that when the driving member 21 is driven to rotate by the drive control mechanism 30 , the driving member 21 is driven to move to the passive member 22 , and due to the rolling action of the rolling member 23 , rolling friction is generated between the driving member 21 and the passive member 22 .

[0031] Preferably, the driving member 21 includes a first driving member 211, a second driving member 212 and at least one elastic element 213, wherein the second driving member 212 is disposed between the first driving member 211 and the passive member 22, and the second driving member 212 is connected to the first driving member 211, and can be driven by the first driving member 211 to move to the passive member 22. Each of the elastic elements 213 is disposed between the first driving member 211 and the second driving member 212, and one end of each of the elastic elements 213 is mounted on the first driving member 211, and the other end of each of the elastic elements 213 is mounted on the second driving member 212, and each of the elastic elements 213 can push the second driving member 212 toward the passive member 22, so that the second driving member 212 can move to the passive member 22.

[0032] Specifically, each of the rolling members 23 is mounted on the second driving member 212 .

[0033] In a specific example, the first driving member 211 has a mounting groove 21101 and at least one clamping groove 21102 connected to the mounting groove 21101, the mounting groove 21101 and the clamping groove 21102 are both connected to the outside, and are used to install the second driving member 212. The second driving member 212 extends in the radial direction to form the same number of clamping portions 2121 as the clamping groove 21102, so that when the second driving member 212 is installed in the mounting groove 21101 of the first driving member 211, each of the clamping portions 2121 is installed in each of the clamping grooves 21102, and each of the clamping portions 2121 can abut against the inner wall forming the clamping groove 21102, so that when the first driving member 211 rotates, the second driving member 212 can be driven by the first driving member 211 and rotate along the axial direction of the first driving member 211.

[0034] More specifically, the rolling member 23 is mounted on each of the clamping portions 2121 of the second driving member 212. That is, each of the clamping portions 2121 of the second driving member 212 is mounted with at least one of the rolling members 23, so that the second driving member 212 can be easily moved on the passive member 22.

[0035] In another specific example, the first driving member 211 further forms the same number of limiting grooves 21103 as the elastic elements 213, each of the limiting grooves 21103 is connected to the mounting groove 21101, and is used to install one end of the elastic element 213. The second driving member 212 further forms the same number of clamping grooves 21201 as the elastic elements 213, each of the clamping grooves 21201 is connected to the outside, and is used to install the other end of the elastic element 213 installed in the limiting groove 21103, and each of the clamping grooves 21201 is arranged to be aligned with each of the limiting grooves 21103, so that when the second driving member 212 is installed on the first driving member 211, each of the elastic elements 213 can be simultaneously limited in one of the limiting grooves 21103 and one of the clamping grooves 21201, thereby preventing the elastic element 213 from deflecting.

[0036] It is worth mentioning that the second driving member 212 can act on the passive member 22 when it moves a predetermined distance on the passive member 22, so as to drive the passive member 22 to rotate. In other words, the elastic element 213 pushes the second driving member 212 to approach the passive member 22 along the inner wall forming the mounting groove 21101 by a predetermined distance, so that each of the clamping portions 2121 of the second driving member 212 can act on the passive member 22, thereby enabling the passive member 22 to be driven and rotated along the axial direction of the second driving member 212 when the second driving member 212 rotates.

[0037] In a preferred embodiment, the passive member 22 extends toward the direction approaching the second driving member 212 to form the same number of acting portions 222 as the clamping portion 2121, each of the acting portions 222 is spaced and evenly arranged on the rotation path of the clamping portion 2121 on the second driving member 212, and each of the acting portions 222 can be acted upon by each of the clamping portions 2121 when the second driving member 212 moves a predetermined distance, so that the passive member 22 can be driven by the second driving member 212 to rotate along the axial direction of the second driving member 212.

[0038] Specifically, each of the action portions 222 is provided with an abutting portion 2221 and an inclined portion 2222 connected to the abutting portion 2221, wherein the abutting portion 2221 is used to abut the clamping portion 2121 of the second driving member 212. The inclined portion 2222 is arranged to be inclined toward another action portion 222 in the same direction as the rotation direction of the second driving member 212, so as to guide each of the clamping portions 2121 of the second driving member 212 to approach one of the action portions 222.

[0039] It should be noted that when the abutting portion 2221 abuts against the clamping portion 2121, the elastic element 213 is squeezed. At this time, the second driving member 212 cannot drive the passive member 22. When the second driving member 212 moves to the passive member 22 and the clamping portion 2121 of the second driving member 212 does not abut against the abutting portion 2221, each of the elastic elements 213 begins to rebound and pushes a clamping portion 2121 so that each of the clamping portions 2121 can approach one of the inclined portions 2222, and as the second driving member 212 gradually rotates, each of the clamping portions 2121 can approach one of the action portions 222 along the inclined direction of the inclined portion 2222 until each of the clamping portions 2121 can abut against one of the action portions 222, thereby, the passive member 22 is driven by the second driving member 212 to rotate.

[0040] Further preferably, the passive member 22 is provided with a groove 2201 along the moving direction of each rolling member 23 on the action portion 222, and the groove 2201 extends from the abutment portion 2221 to the inclined portion 2222 to limit the movement of each rolling member 23, so that the driving member 21 does not deviate when moving on the passive member 22.

[0041] Preferably, each of the elastic elements 213 is implemented as a control spring. Each of the rolling elements 23 is implemented to include a ball.

[0042] In this way, compared with the sliding friction between the second driving member 212 of the driving component 21 and the passive member 22, the rolling member 23 reduces the contact area between the second driving member 212 and the passive member 22, thereby reducing the friction area between the second driving member 212 and the passive member 22. This not only reduces the mutual wear between the second driving member 212 and the passive member 22, but also makes it easier for the second driving member 212 to move on the passive member 22.

[0043] Preferably, the starter body 10 forms an opening 101 and a mounting cavity 102 connected to the opening 101 , wherein the opening 101 is connected to the outside. The mounting cavity 102 is used to place the drive control mechanism 30 and the one-way clutch assembly 20 connected to the drive control mechanism 30 .

[0044] It is worth mentioning that the driving wheel 221 of the passive component 22 of the one-way clutch assembly 20 is arranged at the opening 101 of the starter body 10 to engage with the driving flywheel of the engine.

[0045] Preferably, the drive control mechanism 30 includes a control component 31 and a drive component 32, wherein the control component 31 is disposed in the mounting cavity 102 of the starter body 10, and is used to push the one-way clutch component 20 so that the drive wheel 221 mounted on the one-way clutch component 20 is engaged with the drive flywheel of the engine. The drive component 32 is disposed in the mounting cavity 102 of the starter body 10, and is used to rotate the one-way clutch component 20 so that the drive wheel 221 mounted on the one-way clutch component 20 is driven to rotate, thereby rotating the drive flywheel of the engine engaged with the drive wheel 221.

[0046] Preferably, the control assembly 31 includes a control element 311, a control arm 312 and a pusher 313, wherein the control element 311 is installed in the installation cavity 102. The control arm 312 is connected to the inner wall forming the installation cavity 102 in a manner that can form a lever, and one end of the control arm 312 is installed on the control end of the control element 311, and the other end of the control arm 312 is installed on the outer wall of the pusher 313. The pusher 313 can move on the drive assembly 32 when the control element 311 drives the control arm 312.

[0047] The one-way clutch assembly 20 is rotatably connected to the pushing member 313 . Specifically, the first driving member 211 of the driving component 21 is rotatably connected to the pushing member 313 .

[0048] It can be understood that the control element 311 is started to drive the control end of the control element 311, so that the two ends of the control arm 312 move in opposite directions according to the lever principle. Thus, the control element 311 can control the two ends of the control arm 312 to move in opposite directions so that the pusher 313 drives the one-way clutch assembly 20 to move to the drive assembly 32, so that the drive wheel 221 set on the passive component 22 of the one-way clutch assembly 20 can approach and engage with the drive flywheel of the engine.

[0049] Preferably, the control element 311 is implemented as an electromagnetic switch. The control arm 312 is implemented as a shift fork.

[0050] Preferably, the driving assembly 32 includes a driving member 321 and a driving shaft 322, one end of the driving shaft 322 is connected to the driving end of the driving member 321, and the inner shaft ring of the driving shaft 322 is rotationally connected to the one-way clutch assembly 20 and the driving wheel 221 installed on the one-way clutch assembly 20, and the outer shaft ring of the driving shaft 322 is slidingly connected to the pushing member 313.

[0051] Specifically, the first driving member 211 , the second driving member 212 , the passive member 22 , and the driving wheel 221 mounted on the passive member 22 are all connected to the inner shaft ring of the driving shaft 322 .

[0052] It should be noted that when the control component 31 controls the movement of the one-way clutch component 20, the pushing member 313 of the control component 31 is controlled to drive the one-way clutch component 20 to move to the outer shaft ring of the driving shaft 322. When the driving wheel 221 installed on the one-way clutch component 20 needs to drive the driving flywheel of the engine to rotate, the driving member 321 is started to rotate the driving shaft 322, so that the one-way clutch component 20 installed on the inner shaft ring of the driving shaft 322 is driven to rotate along the axial direction of the driving shaft 322. Therefore, the driving wheel 221 set on the passive component 22 of the one-way clutch component 20 drives the driving flywheel of the engine to rotate.

[0053] Further preferably, the driving assembly 32 further comprises a transmission member 323. As further preferably, the transmission member 323 comprises a transmission gear 3231, a plurality of passive gears 3232 and a ring gear 3233, wherein the transmission gear 3231 is driven and rotatably mounted on the driving end of the driving member 321, and the transmission gear 3231 is rollably engaged with each of the passive gears 3232. Each of the passive gears 3232 is rotatably mounted on one end of the driving shaft 322, and each of the passive gears 3232 is driven and rollably engaged with the inner ring gear of the ring gear 3233. The ring gear 3233 is mounted on the inner wall forming the mounting cavity 102.

[0054] Thus, the driving member 321 drives and drives the transmission gear 3231 to rotate. At the same time, each of the passive gears 3232 meshing with the transmission gear 3231 is driven to roll on the inner ring tooth track of the gear ring 3233, thereby causing the driving shaft 322 to rotate. At this point, the one-way clutch assembly 20 connected to the inner shaft ring of the driving shaft 322 is driven to rotate, thereby causing the driving wheel 221 set on the passive member 22 of the one-way clutch assembly 20 to be driven to rotate.

[0055] Preferably, the driving member 321 is implemented to include a DC motor.

[0056] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A one-way clutch assembly, characterized in that: The one-way clutch assembly comprises: A driving member, a passive member and a plurality of rolling members, wherein the driving member is connected to the passive member and can move on the passive member, and the passive member can be driven by the driving member to rotate when the driving member moves to a predetermined distance, a driving wheel is arranged at one end of the passive member away from the driving member, each of the rolling members is rollably connected to the driving member, and each of the rolling members can roll on the passive member, so that the driving member can move on the passive member by rolling each of the rolling members when driving the passive member to rotate.

2. The one-way clutch assembly according to claim 1, characterized in that: The driving component includes a first driving member, a second driving member and at least one elastic element, wherein the second driving member is arranged between the first driving member and the passive member, and the second driving member is connected to the first driving member and can be driven by the first driving member to move to the passive member, each of the elastic elements is arranged between the first driving member and the second driving member, and one end of each of the elastic elements is installed on the first driving member, and the other end of each of the elastic elements is installed on the second driving member, and each of the elastic elements can push the second driving member toward the passive member, so that the second driving member can move relative to the passive member.

3. The one-way clutch assembly according to claim 2, characterized in that: The first driving member has an installation groove and at least one clamping groove connected to the installation groove, the installation groove and the clamping groove are both connected to the outside and are used to install the second driving member, the second driving member extends along the radial direction to form the same number of clamping parts as the clamping groove, so that when the second driving member is installed in the installation groove of the first driving member, each of the clamping parts is installed in each of the clamping grooves, and each of the clamping parts can abut against the inner wall forming the clamping groove.

4. The one-way clutch assembly according to claim 3, characterized in that: The first driving member also forms the same number of limiting grooves as the elastic elements, each of the limiting grooves is connected to the mounting groove for installing one end of the elastic element, and the second driving member also forms the same number of card slots as the elastic elements, each of the card slots is connected to the outside world for installing the other end of the elastic element installed in the limiting groove, and each of the card slots is arranged to be aligned with each of the limiting grooves, and each of the elastic elements can be simultaneously limited in one of the limiting grooves and one of the card slots when the second driving member is installed on the first driving member.

5. The one-way clutch assembly according to claim 4, characterized in that: The passive member extends in a direction close to the second driving member to form an action portion having the same number as the clamping portion, each of the action portions is spaced and evenly arranged on the rotation path of the clamping portion on the second driving member, and each of the action portions can be acted upon by the clamping portion when the second driving member moves a predetermined distance so that the passive member can be driven by the second driving member to rotate along the axial direction of the second driving member.

6. The one-way clutch assembly according to claim 5, characterized in that: Each of the acting parts is provided with an abutting part and an inclined part connected to the abutting part, wherein the abutting part is used to abut the clamping part of the second driving member, and the inclined part is arranged to be inclined toward another acting part in the same direction as the rotation direction of the second driving member, so as to guide each clamping part of the second driving member to approach one of the acting parts.

7. A starter, characterized in that The starter comprises: A starter body, the starter body forming an opening and a mounting cavity communicating with the opening, wherein the opening communicates with the outside; A drive control mechanism, wherein the drive control mechanism is arranged in the mounting cavity of the starter body; The one-way clutch assembly as claimed in claim 6, wherein the driving member of the one-way clutch assembly is controllably connected to the driving mechanism.

8. The starter according to claim 7, characterized in that: The drive control mechanism comprises a control component and a drive component, and both the control component and the drive component are arranged in the installation cavity of the starter body.

9. The starter according to claim 8, characterized in that: The control component includes a control element, a control arm and a pushing member, wherein the control element is installed in the installation cavity, the control arm is connected to the inner wall forming the installation cavity in a manner that can form a lever, and one end of the control arm is installed on the control end of the control element, and the other end of the control arm is installed on the outer wall of the pushing member, the pushing member is movably connected to the driving component and can move to the driving component when the control element drives the control arm, and the driving member of the one-way clutch component is rotatably connected to the pushing member.

10. The starter according to claim 9, characterized in that: The driving assembly includes a driving member and a driving shaft, one end of the driving shaft is connected to the driving end of the driving member, and the inner shaft ring of the driving shaft is rotatably connected to the one-way clutch assembly and the driving wheel installed on the one-way clutch assembly, and the outer shaft ring of the driving shaft is slidably connected to the pushing member, and the first driving member, the second driving member, the passive member and the driving wheel installed on the passive member are all connected to the inner shaft ring of the driving shaft.

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