CN113883239A - Passive double-reduction-ratio clutch - Google Patents
Passive double-reduction-ratio clutch Download PDFInfo
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- CN113883239A CN113883239A CN202111215880.0A CN202111215880A CN113883239A CN 113883239 A CN113883239 A CN 113883239A CN 202111215880 A CN202111215880 A CN 202111215880A CN 113883239 A CN113883239 A CN 113883239A
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- 230000007704 transition Effects 0.000 claims abstract description 107
- 230000009467 reduction Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/003—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion the gear-ratio being changed by inversion of torque direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
A passive double reduction ratio clutch relates to the technical field of clutches. The invention aims to solve the problems that the existing clutch has heavy weight and large volume and needs a special controller and a special driver. The motor of the invention is fixedly connected on a supporting plate, a motor shaft of the motor is fixedly connected with a driving gear, a first transition gear and a second transition gear are fixedly connected on a driving ratchet wheel, the driving gear is meshed with the first transition gear, the driving ratchet wheel is arranged between a first driven ratchet wheel and a second driven ratchet wheel, the driving ratchet wheel is sleeved on the transition shaft and can axially reciprocate along the transition shaft under the push of the first driven ratchet wheel and the second driven ratchet wheel, a first driven gear and a second driven gear are fixedly connected on an output shaft, the first transition gear can be meshed with the first driven gear, and the second transition gear can be meshed with the second driven gear. The invention is used for switching the transmission path and the reduction ratio.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to a passive double-reduction-ratio clutch.
Background
With the development of robotics and unmanned aerial vehicle technology, lighter and smaller drives and transmission mechanisms are required to perform more complex tasks. For example, the robot end manipulator performs the opening and closing capturing action, the unmanned aerial vehicle performs the pulling and descending recovery action, and the execution element is required to output different speeds, forces or moments in different movement directions. The common clutch or reduction gear on the automation equipment at present adopts active clutch to realize the reduction ratio switching more, and active clutch comprises components and parts such as electro-magnet, shift fork, gear usually, exists bulky, heavy, the high shortcoming of power. The miniaturization and light-weight development of advanced automatic systems such as robots and unmanned planes are greatly limited. Therefore, a small, light and passive novel clutch with positive and negative rotation double reduction ratios needs to be developed to provide technical support for the fine development of automation equipment.
Disclosure of Invention
The invention aims to solve the problems that the existing clutch is heavy in weight and large in size and needs a special controller and a special driver, and further provides a passive double-reduction-ratio clutch which realizes output switching of two reduction ratios by means of self power.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a passive clutch with double reduction ratios comprises a driving gear, a motor, a first transition gear, a second transition gear, a first driven ratchet wheel, a second driven ratchet wheel, a first driven gear, a second driven gear, an output shaft, a driving ratchet wheel, a first one-way bearing, a second one-way bearing and a transition shaft, wherein the motor is fixedly connected to a support plate, a motor shaft of the motor is fixedly connected with the driving gear, the first transition gear and the second transition gear are fixedly connected to the driving ratchet wheel, the driving gear is meshed with the first transition gear, the first driven ratchet wheel is arranged in a first bearing seat through the first one-way bearing, the second driven ratchet wheel is arranged in a second bearing seat through the second one-way bearing, the driving ratchet wheel is arranged between the first driven ratchet wheel and the second driven ratchet wheel, the driving ratchet wheel is sleeved on the transition shaft and can axially reciprocate along the transition shaft under the pushing of the first driven ratchet wheel and the second driven ratchet wheel, the first driven gear and the second driven gear are fixedly connected to the output shaft, the first transition gear can be meshed with the first driven gear, and the second transition gear can be meshed with the second driven gear.
Furthermore, two end faces of the driving ratchet wheel are respectively provided with a driving ratchet wheel toothed surface, a first driven ratchet wheel is sleeved at one end of the transition shaft, the inner side end face of the first driven ratchet wheel is provided with a first driven ratchet wheel toothed surface, the inner ring of the first one-way bearing is sleeved and fixedly connected to the first driven ratchet wheel, the outer ring of the first one-way bearing is fixedly connected to the first bearing seat, the end part of one end of the transition shaft is rotatably connected to the first bearing seat through a first rolling bearing, a second driven ratchet wheel is sleeved at the other end of the transition shaft, the inner side end face of the second driven ratchet wheel is provided with a second driven ratchet wheel toothed surface, the inner ring of the second one-way bearing is sleeved and fixedly connected to the second driven ratchet wheel, the outer ring of the second one-way bearing is fixedly connected to the second bearing seat, and the end part of the other end of the transition shaft is rotatably connected to the second bearing seat through a first rolling bearing.
Furthermore, the tooth-shaped surface of the driving ratchet wheel at one end of the driving ratchet wheel is matched with the tooth-shaped surface of the first driven ratchet wheel, and the tooth-shaped surface of the driving ratchet wheel at the other end of the driving ratchet wheel is matched with the tooth-shaped surface of the second driven ratchet wheel.
Further, when the driving ratchet wheel moves to be close to the first driven ratchet wheel along the transition shaft, the tooth-shaped surface of the driving ratchet wheel at one end of the driving ratchet wheel is in contact with the tooth-shaped surface of the first driven ratchet wheel, the tooth-shaped surface of the driving ratchet wheel at the other end of the driving ratchet wheel is separated from the tooth-shaped surface of the second driven ratchet wheel, the first transition gear is meshed with the first driven gear, and the second transition gear is separated from the second driven gear; when the driving ratchet wheel moves to be close to the second driven ratchet wheel along the transition shaft, the tooth-shaped surface of the driving ratchet wheel at one end of the driving ratchet wheel is separated from the tooth-shaped surface of the first driven ratchet wheel, the tooth-shaped surface of the driving ratchet wheel at the other end of the driving ratchet wheel is contacted with the tooth-shaped surface of the second driven ratchet wheel, the first transition gear is separated from the first driven gear, and the second transition gear is meshed with the second driven gear.
Furthermore, the tooth-shaped surfaces of the driving ratchet wheel at the two ends of the driving ratchet wheel are double-spiral inclined surfaces, and the tooth-shaped surface of the first driven ratchet wheel and the tooth-shaped surface of the second driven ratchet wheel are double-spiral inclined surfaces.
Further, gaps are arranged between the first driven ratchet wheel and the transition shaft, and between the second driven ratchet wheel and the transition shaft.
Further, the first one-way bearing and the second one-way bearing are arranged in opposite rotating directions.
Further, the motor shaft, the transition shaft and the output shaft of the motor are all arranged in parallel, and the transition shaft is arranged between the motor shaft and the output shaft of the motor.
Furthermore, a plurality of mounting grooves are formed in the inner circumferential side wall of the driving ratchet wheel along the circumferential direction, each mounting groove is arranged in the radial direction, a positioning steel ball is arranged in each mounting groove, a spring is arranged between each positioning steel ball and the bottom of each mounting groove, two annular grooves are arranged on the outer circumferential side wall of the transition shaft in parallel along the axial direction and are arranged adjacently, and the outer portion of each positioning steel ball is pressed into one annular groove under the elastic force action of the spring.
Furthermore, the groove walls on the two sides of the annular groove are obliquely arranged from the groove opening to the groove bottom inwards.
Compared with the prior art, the invention has the following beneficial effects:
the clutch adopts parts such as a one-way bearing, a ratchet wheel and the like, utilizes a driving gear as a clutch power source, realizes the clutch of a transmission path by switching the positive rotation and the negative rotation of the driving gear, and has low power consumption and high efficiency.
The invention has two sets of transmission paths, two speed reduction ratios, and the positive and negative rotation of the driving shaft or the driving gear can be switched to different transmission paths, so that different rotating speeds can be output under the condition of certain input rotating speed.
Thirdly, the structure is compact, the integration level is high, the control is simple, and the forward and reverse dual reduction ratio output can be realized without a special clutch controller and a special driving device.
The clutch has the advantages of low manufacturing cost, safe and reliable use, and can be used in the fields of robots and unmanned planes and also can be popularized in other application fields of mechanical transmission.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an isometric view of the first driven ratchet 5-1 or the second driven ratchet 5-2 of the present invention.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 2, and the passive dual reduction ratio clutch according to the present embodiment includes a driving gear 1, a motor 2, a first transition gear 3-1, a second transition gear 3-2, a first passive ratchet 5-1, a second passive ratchet 5-2, a first driven gear 7-1, a second driven gear 7-2, an output shaft 8, a driving ratchet 9, a first one-way bearing 10-1, a second one-way bearing 10-2, and a transition shaft 11, the motor 2 is fixedly connected to a support plate, the driving gear 1 is fixedly connected to a motor shaft of the motor 2, the first transition gear 3-1 and the second transition gear 3-2 are fixedly connected to the driving ratchet 9, the driving gear 1 is engaged with the first transition gear 3-1, the first passive ratchet 5-1 is disposed in a first bearing seat 12-1 through the first one-way bearing 10-1, the second driven ratchet wheel 5-2 is arranged in the second bearing seat 12-2 through a second one-way bearing 10-2, the driving ratchet wheel 9 is arranged between the first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2, the driving ratchet wheel 9 is sleeved on the transition shaft 11 and can axially reciprocate along the transition shaft 11 under the pushing of the first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2, the first driven gear 7-1 and the second driven gear 7-2 are fixedly connected on the output shaft 8, the first transition gear 3-1 can be meshed with the first driven gear 7-1, and the second transition gear 3-2 can be meshed with the second driven gear 7-2.
The first bearing seat 12-1 and the second bearing seat 12-2 are both fixedly connected to the support plate.
The two ends of the output shaft 8 are respectively connected with the support plate in a rotating way through a second rolling bearing 14.
The reference circle diameter of the first transition gear 3-1 is larger than that of the second transition gear 3-2, the reference circle diameter of the first driven gear 7-1 is smaller than that of the second driven gear 7-2, and the distance between the first transition gear 3-1 and the second transition gear 3-2 is smaller than that between the first driven gear 7-1 and the second driven gear 7-2.
The positive and negative rotation double reduction ratio clutch provided by the invention consists of parts such as a one-way bearing, a gear, a spiral shaft, a spring, a steel ball and the like, and has the characteristics of simple and ingenious structure, small volume, light weight and no energy consumption.
The invention utilizes the characteristic that the inner ring of the one-way bearing can only rotate in one way relative to the outer ring, designs a special ratchet mechanism, changes the positive and negative rotation of the driving wheel into the axial movement of the clutch sleeve of the clutch, realizes the switching of different driven gears, and realizes the output of different reduction ratios of the positive and negative rotation.
The clutch power source of the invention can rotate from the main moving shaft, and the switching of the reduction ratio can be realized without using a controller and consuming power.
The clutch has different output torque and rotating speed at the input end and the output end when the input end of the clutch rotates positively and negatively.
The clutch of the invention uses a one-way bearing to realize the switching of gear engagement.
The clutch of the invention uses the driving ratchet and the driven ratchet, and realizes the gear switching action of changing the rotation into the axial translation.
In the present embodiment, the motor 2 is a forward/reverse rotation motor.
In this embodiment, the driving ratchet 9 and the transition shaft 11 rotate synchronously.
The motor 2 is arranged on the supporting plate, and a driving gear 1 is arranged on a motor shaft and can rotate forwards and backwards along with the motor 2; the first transition gear 3-1 and the second transition gear 3-2 have different reference circles and are fixedly connected and installed on the driving ratchet wheel 9, and the driving ratchet wheel 9 is sleeved on the transition shaft 11 and can freely slide and rotate along the axial direction; the positioning steel ball 4 and the spring 6 are arranged on the driving ratchet wheel 9 and are matched with the two annular grooves 1101 on the transition shaft 11, so that the positioning of the driving ratchet wheel 9 at two transmission positions on the transition shaft 11 is realized; the first driven gear 7-1 and the second driven gear 7-2 are arranged on the output shaft 8, have different reference circles and can be respectively meshed with the first transition gear 3-1 and the second transition gear 3-2 to obtain different reduction ratios; the outer ring of the first one-way bearing 10-1 is connected with the first bearing seat 12-1 through a key, the inner ring is connected with the first driven ratchet wheel 5-1 through a key, the first driven ratchet wheel 5-1 can rotate when steering specifically, the outer ring of the second one-way bearing 10-2 is connected with the second bearing seat 12-2 through a key, the inner ring is connected with the second driven ratchet wheel 5-2 through a key, and the second driven ratchet wheel 5-2 can rotate when steering specifically; the first transition gear 3-1 on the driving ratchet wheel 9 is always meshed with the driving gear 1, so that the output torque of the motor is transmitted to the driving ratchet wheel 9 through the driving gear 1, and the driving ratchet wheel 9 rotates on the transition shaft 11 and is pushed by the first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2 to perform axial translation on the transition shaft 11.
The second embodiment is as follows: referring to fig. 1 to 2, the embodiment is described, in the embodiment, both end surfaces of the driving ratchet 9 are provided with driving ratchet tooth-shaped surfaces, a first driven ratchet 5-1 is sleeved on one end of the transition shaft 11, the inner side end surface of the first driven ratchet 5-1 is provided with a first driven ratchet tooth-shaped surface, the inner ring of a first one-way bearing 10-1 is sleeved and fixedly connected on the first driven ratchet 5-1, the outer ring of the first one-way bearing 10-1 is fixedly connected on a first bearing seat 12-1, the end part of one end of the transition shaft 11 is rotatably connected with the first bearing seat through a first rolling bearing 13, a second driven ratchet 5-2 is sleeved on the other end of the transition shaft 11, the inner side end surface of the second driven ratchet 5-2 is provided with a second driven ratchet tooth-shaped surface, the inner ring of the second one-way bearing 10-2 is sleeved and fixedly connected on the second driven ratchet 5-2, the outer ring of the second one-way bearing 10-2 is fixedly connected to the second bearing seat 12-2, and the end part of the other end of the transition shaft 11 is rotatably connected with the second bearing seat through a first rolling bearing 13. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: referring to fig. 1 to 2, the present embodiment will be described, in which the active ratchet tooth surface at one end of the active ratchet 9 is engaged with the first passive ratchet tooth surface of the first passive ratchet 5-1, and the active ratchet tooth surface at the other end of the active ratchet 9 is engaged with the second passive ratchet tooth surface of the second passive ratchet 5-2. Other components and connection modes are the same as those of the second embodiment.
The fourth concrete implementation mode: referring to fig. 1 to 2, the present embodiment is described, when the driving ratchet 9 moves along the transition shaft 11 to approach the first passive ratchet 5-1, the driving ratchet tooth surface at one end of the driving ratchet 9 contacts the first passive ratchet tooth surface of the first passive ratchet 5-1, the driving ratchet tooth surface at the other end of the driving ratchet 9 separates from the second passive ratchet tooth surface of the second passive ratchet 5-2, the first transition gear 3-1 engages with the first driven gear 7-1, and the second transition gear 3-2 separates from the second driven gear 7-2; when the driving ratchet wheel 9 moves to be close to the second passive ratchet wheel 5-2 along the transition shaft 11, the driving ratchet wheel tooth surface at one end of the driving ratchet wheel 9 is separated from the first passive ratchet wheel tooth surface of the first passive ratchet wheel 5-1, the driving ratchet wheel tooth surface at the other end of the driving ratchet wheel 9 is contacted with the second passive ratchet wheel tooth surface of the second passive ratchet wheel 5-2, the first transition gear 3-1 is separated from the first driven gear 7-1, and the second transition gear 3-2 is meshed with the second driven gear 7-2. Other components and connection modes are the same as those of the third embodiment.
The fifth concrete implementation mode: referring to fig. 1 to 2, the driving ratchet tooth surfaces at both ends of the driving ratchet 9 according to the present embodiment are double helical inclined surfaces, and the first passive ratchet tooth surface of the first passive ratchet 5-1 and the second passive ratchet tooth surface of the second passive ratchet 5-2 are double helical inclined surfaces. The other components and the connection mode are the same as those of the fourth embodiment.
The double spiral inclined plane in the embodiment comprises two spiral inclined planes which are symmetrical along the center.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 2, and a gap is provided between the first passive ratchet 5-1 and the second passive ratchet 5-2 and the transition shaft 11 in the present embodiment. Other components and connection modes are the same as those of the second embodiment.
The seventh embodiment: the present embodiment is described with reference to fig. 1 to 2, and the first one-way bearing 10-1 and the second one-way bearing 10-2 of the present embodiment are arranged in opposite rotation directions. Other components and connection modes are the same as those of the first embodiment.
The specific implementation mode is eight: referring to fig. 1 to 2, the present embodiment is described, in which a motor shaft, a transition shaft 11 and an output shaft 8 of a motor 2 are all arranged in parallel, and the transition shaft 11 is arranged between the motor shaft and the output shaft 8 of the motor 2. Other components and connection modes are the same as those of the first embodiment.
The specific implementation method nine: referring to fig. 1 to 2, the present embodiment is described, in the present embodiment, a plurality of mounting grooves 901 are provided on an inner circumferential side wall of the driving ratchet 9 along a circumferential direction, each mounting groove 901 is respectively provided along a radial direction, a positioning steel ball 4 is respectively provided in each mounting groove 901, a spring 6 is provided between the positioning steel ball 4 and a groove bottom of the mounting groove 901, two annular grooves 1101 are provided in parallel along an axial direction on an outer circumferential side wall of the transition shaft 11, the two annular grooves 1101 are adjacently provided, and an outer portion of the positioning steel ball 4 is pressed into one annular groove 1101 under an elastic force of the spring 6. Other components and connection modes are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment or the eighth embodiment.
The design is that the transition shaft 11 is clamped annularly by the plurality of positioning steel balls 4, so that the synchronous rotation of the driving ratchet wheel 9 and the transition shaft 11 is realized, when the driving ratchet wheel is pushed by the first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2, the positioning steel balls 4 slide out of the current annular groove 1101 and move into the other annular groove 1101, and the positioning of the driving ratchet wheel 9 at two transmission positions on the transition shaft 11 is realized.
The detailed implementation mode is ten: in the present embodiment, the groove walls on both sides of the annular groove 1101 are inclined inward from the notch to the groove bottom, as described with reference to fig. 1 to 2. The other components and the connection mode are the same as those of the ninth embodiment.
The design is convenient for realizing the movement of the positioning steel ball 4.
Principle of operation
The first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2 have complex end face geometric shapes, two spiral inclined planes are used as working faces, and two end faces of the driving ratchet wheel 9 are spiral inclined planes matched with the first driven ratchet wheel 5-1 and the second driven ratchet wheel 5-2. When the driving ratchet wheel 9 rotates clockwise as shown in the figure 1, the first one-way bearing 10-1 can rotate, the driving ratchet wheel 9 drives the first driven ratchet wheel 5-1 to rotate, the second one-way bearing 10-2 cannot rotate, the second driven ratchet wheel 5-2 does not move, a first transition gear 3-1 arranged on the driving ratchet wheel 9 is meshed with the first driven gear 7-1, and the second transition gear 3-2 is separated from the second driven gear 7-2; when the driving ratchet 9 rotates counterclockwise as shown in fig. 1, since the first one-way bearing 10-1 cannot rotate in the direction and the first driven ratchet 5-1 cannot rotate, the driving ratchet 9 moves axially under the action of the double spiral inclined surface of the first driven ratchet 5-1, the first transition gear 3-1 and the second transition gear 3-2 which are arranged on the driving ratchet wheel 9 move together, the first transition gear 3-1 is separated from the first driven gear 7-1, the second transition gear 3-2 is meshed with the second driven gear 7-2, the driving ratchet wheel 9 is separated from the first driven ratchet wheel 5-1 and meshed with the second driven ratchet wheel 5-2 at the other end, the second one-way bearing 10-2 can rotate, and the driving ratchet wheel 9 drives the second driven ratchet wheel 5-2 to rotate. Similarly, when the driving ratchet 9 rotates clockwise again, the driving ratchet 9 and the first transition gear 3-1 and the second transition gear 3-2 above the driving ratchet are pushed back again by the second driven ratchet 5-2. Therefore, the clutch is automatically switched to different rotation output paths according to different rotation directions of the driving gear 1, and forward and reverse rotation double reduction ratio output is realized.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215880.0A CN113883239B (en) | 2021-10-19 | 2021-10-19 | A clutch with passive double reduction ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215880.0A CN113883239B (en) | 2021-10-19 | 2021-10-19 | A clutch with passive double reduction ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113883239A true CN113883239A (en) | 2022-01-04 |
| CN113883239B CN113883239B (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111215880.0A Active CN113883239B (en) | 2021-10-19 | 2021-10-19 | A clutch with passive double reduction ratio |
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| Country | Link |
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| CN (1) | CN113883239B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132057A (en) * | 1978-04-03 | 1979-10-13 | Omron Tateisi Electronics Co | Speed change gear |
| US6080073A (en) * | 1998-12-21 | 2000-06-27 | Industrial Technology Research Institute | Electric auxiliary apparatus for bicycle |
| TW459936U (en) * | 2001-03-27 | 2001-10-11 | Pantech Internat Inc | Forward and backward rotating control device |
| CN202612499U (en) * | 2012-04-23 | 2012-12-19 | 阮送良 | Positive and negative bidirectional input variable speed mechanism |
| US20140007723A1 (en) * | 2011-03-22 | 2014-01-09 | Denso Corporation | Drive force transmission apparatus |
| CN203473182U (en) * | 2013-08-05 | 2014-03-12 | 华蓥泰丰电动车有限公司 | Electric motorbike double-clutch ratchet wheel gear shifting mechanism |
-
2021
- 2021-10-19 CN CN202111215880.0A patent/CN113883239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132057A (en) * | 1978-04-03 | 1979-10-13 | Omron Tateisi Electronics Co | Speed change gear |
| US6080073A (en) * | 1998-12-21 | 2000-06-27 | Industrial Technology Research Institute | Electric auxiliary apparatus for bicycle |
| TW459936U (en) * | 2001-03-27 | 2001-10-11 | Pantech Internat Inc | Forward and backward rotating control device |
| US20140007723A1 (en) * | 2011-03-22 | 2014-01-09 | Denso Corporation | Drive force transmission apparatus |
| CN202612499U (en) * | 2012-04-23 | 2012-12-19 | 阮送良 | Positive and negative bidirectional input variable speed mechanism |
| CN203473182U (en) * | 2013-08-05 | 2014-03-12 | 华蓥泰丰电动车有限公司 | Electric motorbike double-clutch ratchet wheel gear shifting mechanism |
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| Publication number | Publication date |
|---|---|
| CN113883239B (en) | 2023-07-14 |
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