CN108266500B - Center wheel bidirectional clutch control mechanism and transmission applied by same - Google Patents
Center wheel bidirectional clutch control mechanism and transmission applied by same Download PDFInfo
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- CN108266500B CN108266500B CN201710005098.3A CN201710005098A CN108266500B CN 108266500 B CN108266500 B CN 108266500B CN 201710005098 A CN201710005098 A CN 201710005098A CN 108266500 B CN108266500 B CN 108266500B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 32
- 230000007704 transition Effects 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Retarders (AREA)
Abstract
The invention discloses a bidirectional clutch control mechanism of a center wheel and a transmission applied by the bidirectional clutch control mechanism, which comprise a first pawl, a second pawl, a pawl seat and a pawl controller, wherein the pawl seat is circumferentially positioned and assembled on a shaft; the pawl controller is rotationally sleeved on the pawl seat and connected with the clutch rotation control system, and the inner ring of the pawl controller is provided with a pressing arc section for pressing the pawl and a spring notch for spring the pawl. The invention assembles the bidirectional control pawl on the pawl seat, and the whole part is assembled into the axle, so that the assembly is simple, the bidirectional clutch control of the pawl of a plurality of center wheels can be controlled simultaneously through the same rotary control piece, the size of the speed changer can be greatly reduced, the transmission efficiency is improved, the cost is reduced, and the control is more reliable.
Description
Technical Field
The invention belongs to the technical field of planetary gear train machinery, and particularly relates to a bidirectional clutch control mechanism for a center wheel and a transmission applied by the bidirectional clutch control mechanism.
Background
The existing planetary gear train speed changer has the defects that the power transmission direction of a planetary gear train is single, the internal gear is less, if the gear of the speed changer needs to be increased, the serial multi-connected planetary gear trains are needed to be increased, and the structure of the speed changer is complex and bulky.
The existing center wheel is used for directly mounting the pawl on the axle, so that the axle is complex to process, high in cost and complex in whole assembly.
Disclosure of Invention
The invention solves the technical problems that: aiming at the defects of the existing planetary gear train transmission, the novel center wheel bidirectional clutch control mechanism and the transmission applied by the same planetary gear train transmission are provided, and the gear of the planetary gear train transmission is increased while the structure of the transmission is prevented from being complicated by switching the power transmission direction of the same planetary gear train.
The invention is realized by adopting the following technical scheme:
The center wheel bidirectional clutch control mechanism comprises a first pawl, a second pawl, a pawl seat and a pawl controller; the first pawl and the second pawl are symmetrically arranged on the assembling circumference of the pawl seat and the central wheel, the two pawls are kept in an ejecting state through pawl springs, two rotating directions of the central wheel are respectively limited, and the inner ring of the central wheel is provided with ratchet grooves which are embedded with the corresponding two ejecting pawls; the pawl controller is rotationally sleeved on the pawl seat, and the inner ring of the pawl controller is provided with a pressing arc section for pressing the pawl and a spring notch for spring the pawl; the pawl controller is connected with a clutch rotation control system.
Further, the pawl comprises a mounting part, a control part and a ratchet part, wherein the mounting part is used for mounting the pawl in a pawl mounting groove on the ratchet seat and keeping the pawl in an ejecting state through a pawl spring, the control part is contacted with the inner ring of the pawl controller to restrain the pawl in a pressing state, and the ratchet part is embedded with the ratchet groove of the inner ring of the central wheel.
Further, the ratchet grooves are uniformly arranged on the inner ring of the central wheel, and two side surfaces of the ratchet grooves are respectively corresponding to the first pawl in the jogged and sprung state and the second pawl in the sprung state.
Further, the pressing arc sections and the bouncing notch are continuously and alternately arranged in the inner ring of the pawl controller.
Furthermore, the two ends of the pressing arc section are provided with transition inclined planes which are connected to the bouncing notch.
The invention also discloses a transmission, a transmission mechanism of the transmission adopts a planetary gear train, and a center wheel of the planetary gear train is provided with the center wheel bidirectional clutch control mechanism; the power input part of the transmission is respectively connected with the planet carrier and the annular gear of the planetary gear train through the first clutch assembly and the second clutch assembly, and meanwhile, the planet carrier and the annular gear of the planetary gear train are respectively connected with the power output part of the transmission.
Preferably, the planetary gear train adopts a single set of central wheels.
Preferably, the planetary gear train adopts at least two groups of central wheels, and the central wheels are respectively provided with a group of central wheel bidirectional clutch control mechanisms; the pawl controllers of the two-way clutch control mechanism of the center wheel are respectively connected to the same control end on the shaft through control rotating pieces, the pawl controller close to the control end is directly and circumferentially positioned and connected with a second control rotating piece, the pawl controller far away from the control end is connected with a first control rotating piece rotationally sleeved on the shaft, and a space for the first rotation control piece to pass through and rotate is arranged between the pawl seats of other center wheels and the shaft.
Further, the first control rotating member and the second control rotating member are respectively connected with the rotary supporting member at the same control end on the shaft.
Further, the first control rotating piece comprises a rotating cylinder part sleeved on the shaft and a control rod axially extending from one end of the rotating cylinder part, a control block is arranged at the extending end part of the control rod, a corresponding pawl controller is provided with a shaft surface mounting inner ring rotatably sleeved on the shaft, and the shaft surface mounting inner ring is provided with a pawl control groove embedded with the control block.
The invention has the following beneficial effects:
Through the bidirectional clutch control of the central wheel, the switching of the power input and power output routes of the inner gear ring and the planet carrier serving as the planetary gear trains can be realized, the transmission scheme of the same planetary gear train is improved while additional planetary gear trains are not added in series, the gear of the planetary gear train transmission is improved, and meanwhile, the transmission structure is prevented from being more responsible and bulkier.
The invention adopts a novel center wheel bidirectional clutch control mechanism, the bidirectional control pawl is integrally assembled on the pawl seat, and the whole part is assembled into the axle, so that the assembly is simple.
In addition, through the same rotary control piece, the pawl bidirectional clutch control of a plurality of center wheels can be controlled simultaneously, the size of the transmission can be greatly reduced, the transmission efficiency is improved, the cost is reduced, and the control is more reliable.
The invention is further described below with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural diagram of a bidirectional clutch control mechanism for a center wheel in a first embodiment, wherein the center wheel and a pawl controller are removed, and the installation schematic of a pawl seat and a pawl is mainly embodied.
Fig. 2 is a schematic view of a first pawl/second pawl in a first embodiment.
Fig. 3 is a schematic view of a third pawl/fourth pawl in the first embodiment.
Fig. 4 is a schematic view showing an assembly between the first pawl, the second pawl and the pawl seat in the first embodiment.
Fig. 5 is a schematic diagram of a first pawl controller in accordance with a first embodiment.
Fig. 6 is a schematic diagram of an operating state of the bidirectional clutch control mechanism for a central wheel in the first embodiment, which mainly shows an operating state that a first pawl of a first central wheel is pressed and a second pawl is sprung.
Fig. 7 is a schematic diagram of a second working state of the bidirectional clutch control mechanism for a central wheel in the first embodiment, which mainly shows working states of the first pawl of the first central wheel for bouncing up and the second pawl for pressing.
Fig. 8 is a schematic diagram of a control process of the first pawl controller and the first pawl/second pawl in the first embodiment, mainly showing a schematic diagram of the first pawl controller rotating counterclockwise to press the first pawl/second pawl.
Fig. 9 is a schematic diagram of a control process of the first pawl controller and the first pawl/second pawl in the first embodiment, which mainly shows that the first pawl controller rotates clockwise to press the first pawl/second pawl.
Fig. 10 is a schematic view showing the installation of the third pawl and the fourth pawl on the second center wheel in the first embodiment.
Fig. 11 is a schematic structural view of a transmission in the second embodiment.
Fig. 12 is a schematic structural view of a bidirectional clutch control mechanism inside two sets of center wheels in the second embodiment, mainly a main sectional view of the bidirectional clutch control mechanism of the center wheels.
Fig. 13 is a schematic view of a first control screw in the second embodiment.
Fig. 14 is a schematic view of the installation of the first control screw in the second embodiment.
Reference numerals in the drawings: 1-first pawl, 101-mounting portion, 102-control portion, 103-ratchet portion, 2-second pawl, 1 '-third pawl, 2' -fourth pawl, 11-first pawl seat, 111-pawl mounting slot, 12-first pawl controller, 121-pressing arc segment, 1211-transition ramp, 122-pop-up notch slot, 123-face mounting inner race, 124-pawl control slot, 13-first control rotor, 131-rotating cylinder portion, 132-control lever, 133-control block, 14-pawl spring, 21-second pawl seat, 22-second pawl controller, 23-second control rotor, 3-first sun gear, 301-ratchet slot, 4-second sun gear, 5-shaft, 61-planet carrier, 62-inner gear ring, 63-first clutch assembly, 64-second clutch assembly, 65-flywheel carrier.
Detailed Description
Example 1
Referring to fig. 1, the bidirectional clutch mechanism of the center wheel in this embodiment is a preferred embodiment of the present invention, and is used for implementing locking and unlocking with the shaft 5 respectively during the forward and reverse rotation of the first center wheel 3 and the second center wheel 4 in the illustration.
The locking referred to in this embodiment is that the centre wheel is positioned circumferentially between the shaft and the centre wheel in one rotational direction, and the centre wheel does not rotate with the shaft during transmission of the planetary gear train. The unlocking means that the central wheel is not circumferentially positioned with the shaft, the central wheel is sleeved on the shaft, and the central wheel can freely rotate in the transmission process of the planetary gear system.
In the two sets of center wheels applied in the embodiment, the first center wheel 3 and the second center wheel 4 are respectively provided with a set of center wheel bidirectional clutch control mechanism, and the clutch action is controlled by the first control rotating piece 13 and the second control rotating piece 23.
The specific scheme of the bidirectional clutch control mechanism of the central wheel is described in detail by taking the first central wheel 3 as an example.
The center wheel bidirectional clutch mechanism assembled by the first center wheel 3 comprises a first pawl 1, a second pawl 2, a first pawl seat 11 and a first pawl controller 12.
With respect to the structure of the pawls, referring to fig. 2 in combination, the first pawl 1 and the second pawl 2 are symmetrical structures including a mounting portion 101, a control portion 102 and a ratchet portion 103, and the structure of the third pawl 1 'and the fourth pawl 2' of the other center wheel assembly is similar thereto as shown in fig. 3.
The first pawl seat 11 is used for mounting the first pawl 1 and the second pawl 2 and is also used for being rotatably assembled with the inner ring of the first center wheel 3.
Referring to fig. 4, the inner ring of the first pawl seat 11 is nested on the shaft 5 through a circumferential positioning protrusion, and is assembled with the shaft 5 in a circumferential positioning manner. The first pawl 1 and the second pawl 2 are symmetrically assembled on the circumference of the first pawl seat 11 for being assembled with the first center wheel 3, a space capable of accommodating the pawl in an unlocking state is arranged on the first pawl seat 11, the first pawl 1 and the second pawl 2 which are symmetrically arranged are installed on the first pawl seat 11 through pawl springs 14, and the two pawls are kept to be in initial ejection states, namely, under the constraint of a first pawl controller, the first pawl 1 and the second pawl 2 can extend out of the outer circumference of the first pawl seat 11 under the action of the pawl springs 14 and are embedded into ratchet grooves corresponding to the inner ring of the first center wheel 3. Regarding the technology of assembling the pawls by the pawl spring and maintaining the pop-up state, reference is made to the existing center wheel pawl control technology of the bicycle inner derailleur, and this embodiment will not be described in detail herein.
The mounting parts 101 of the first pawl 1 and the second pawl 2 are partial cylinders, and the cylindrical parts are assembled in the pawl mounting grooves 111 of the first pawl seat 11 and can realize partial angle swinging of the pawls; the control parts 102 of the first pawl 1 and the second pawl 2 are used for contacting with the first pawl controller 12, and the first pawl controller 12 realizes the restraint limit of the pawl through the control parts 102 of the pawl; the ratchet parts 103 of the first pawl 1 and the second pawl 2 are used for being embedded with the ratchet grooves 301 of the inner ring of the first center wheel 3 after being ejected, so that locking of the center wheel in two rotation directions is respectively realized.
As shown in fig. 5, the first pawl controller 12 is also rotatably assembled with the first pawl seat 11 at a position corresponding to the circumferential region of the pawl controller 102 after being mounted, and the relative movement between the first pawl seat 11 and the first center wheel 3 is not affected by the rotation of the first pawl controller 12.
The inner ring of the first pawl controller 12 assembled with the first pawl seat 11 is provided with a pressing arc section 121 and a spring notch 122, the pressing arc section 121 is used for restraining the control part 102 of the pawl, the first pawl 1 or the second pawl 2 is in a pressed state, the spring notch 122 is used for releasing the restraint on the control part 102 of the pawl, and the first pawl 1 or the second pawl 2 is in a spring state.
The other end of the first pawl controller 12 is rotatably sleeved on the shaft 5 to serve as a support, meanwhile, a pawl control groove 124 is formed in the shaft surface of the first pawl controller 12 through an inner ring, the first pawl controller is connected with the first control rotary piece 13 through the pawl control groove 124, and the first pawl controller 12 is driven to rotate through a clutch rotation control system.
As shown in fig. 6 and 7, the inner ring of the first center wheel 3 is uniformly provided with a plurality of ratchet grooves 301, and both side surfaces of the ratchet grooves 301 can be respectively engaged with the ratchet parts of the first pawl 1 and the second pawl 2 in the sprung state.
The pressing arc sections 121 and the bouncing notch 122 of the first pawl controller 12 are alternately distributed along the inner ring of the first pawl controller 12 in turn to form a closed loop, and the two ends of the pressing arc sections 121 are provided with transition inclined planes 1211 for pushing the control parts of the pawls, namely, the first pawl controller 12 can complete the control of the first pawl 1 and the second pawl 2 in two rotation directions.
As shown in fig. 6, the first pawl controller 12 rotates counterclockwise, the pop-up notch 122 on the upper right side thereof sets the second pawl 2 in a pop-up state, the ratchet portion 103 on the second pawl 2 engages with the ratchet groove 301 side of the inner ring of the first center wheel 3, at which time the second pawl 2 defines the first center wheel 3 to rotate counterclockwise, while the pressing arc 121 on the left side of the first pawl controller 12 presses the first pawl 1 into the first pawl seat 11 through the control portion 102 of the pawl, at which time the first pawl 1 does not limit the rotation of the first center wheel 3.
As shown in fig. 7, the first pawl controller 12 rotates clockwise (or continues to rotate in the rotation direction in fig. 7), the pop-up notch 122 on the left side of the first pawl controller 12 releases the constraint on the first pawl 1, the first pawl 1 is in a pop-up state, the ratchet portion on the pop-up notch engages with the ratchet groove side surface of the inner ring of the first center wheel 3, at this time, the first pawl 1 limits the clockwise rotation of the first center wheel 3, and the pressing arc 121 on the right side of the first pawl controller 12 presses the second pawl 2 into the first pawl seat 11 through the control portion of the pawl, at this time, the second pawl 2 does not limit the rotation of the first center wheel 3.
The pressing arc 121 of the first pawl controller 12 in this embodiment can simultaneously place the first pawl 1 and the second pawl 2 in a pressed state, with the first center wheel 3 in an idle state with respect to the first pawl seat 11.
As shown in fig. 8 and 9, the transition inclined planes 1211 provided at both ends of the pressing arc section 121 can ensure that the first pawl controller 12 can push the ratchet part 103 out of the ratchet groove 301 of the first center wheel 3 through the control part 102 of the pawl in any one rotational direction, thereby realizing continuous control of the first pawl 1 and the second pawl 2 by the first pawl controller 12.
Referring to fig. 3 and 10 in combination, the third pawl 1 'and the fourth pawl 2' mounted on the second center wheel 4 in this embodiment have the same structure as the first pawl 1 and the second pawl 2, and the corresponding second pawl seat 21 and second pawl controller 22 are arranged in the same manner as the first center wheel 3 described above, and the second pawl controller 22 is connected to the clutch rotation control system through the second control rotary member 23, so as to implement bidirectional clutch control of the second center wheel, and the specific rotation control scheme is specifically referred to the transmission in fig. 2.
Example two
Referring to fig. 11 and 12, the transmission in the present embodiment uses a bidirectional clutch control mechanism for a central wheel in the first embodiment, and uses a duplex planetary gear train as a transmission mechanism, and the transmission mechanism has two sets of transmission speed ratios by locking and unlocking two sets of central wheels respectively.
The power input part of the transmission in the embodiment is a flywheel seat 65, the flywheel seat 65 inputs power into a planetary gear train of the transmission, the flywheel seat 56 is connected with a planet carrier 61 of the planetary gear train through a first clutch assembly 63, and is connected with an inner gear ring 62 of the planetary gear train through a second clutch assembly 64, and the planet carrier 61 and the inner gear ring 62 can both output power to the power output part of the transmission.
Since the two sets of center wheels are assembled on the shaft 5 in the embodiment, the wheel bidirectional clutch control structures of the first center wheel 3 and the second center wheel 4 are respectively connected to the same control end of the shaft 5 through the first control rotating piece 13 and the second control rotating piece 23, and are uniformly connected with a clutch rotation control system.
The rotary supporting piece is connected with a clutch rotary control system, and the clutch rotary control system can drive the rotary supporting piece by adopting motor driving or finger dialing and turning, so that unified clutch control of the first center wheel and the second center wheel is realized.
As shown in fig. 12, in this embodiment, the second center wheel 4 is disposed near the control end, the right end of the second pawl controller 22 is directly connected with the second control rotating member 23 in a circumferential positioning manner, and is connected with the outer periphery of the rotating support member of the control end through the second control rotating member 23, while the inner end of the rotating support member is connected with the first control rotating member 13 for controlling the clutch action of the first center wheel 3, and sequentially passes through the second pawl seat 21 and the first pawl seat 11 through the first control rotating member 13 to be connected with the first pawl controller 12.
Referring to fig. 13 and 14 in combination, the first control rotor 13 is divided into a rotary cylinder 131, a control rod 132 and a control block 133, the rotary cylinder 131 is rotatably sleeved on the shaft 5, one end of the rotary cylinder is connected with the rotary support through a circumferential positioning structure, the control rod 132 extends from the wall of the rotary cylinder 131 in the axial direction, and the control block 133 is disposed at the extending end of the control rod 132. An arc section with the diameter larger than the shaft diameter is arranged on the mounting inner circles of the second pawl seat 21, the first pawl seat 11 and the shaft 5, after the pawl seat is assembled on the shaft, an arc-shaped space is formed between the arc section and the shaft and can be used for the control rod 132 and the control block 133 to pass through, and the control rod 132 has a certain positive and negative rotation angle in the arc-shaped space, so that the rotation angle of the first pawl controller 12 is sufficiently controlled.
Referring back to fig. 5 in the first embodiment, on the shaft surface mounting inner ring 123 where the first pawl controller 12 is assembled with the shaft 5, a pawl control groove 124 with one end engaged with a control block 133 is provided, after the control lever 132 of the first control screw 13 passes through the second pawl seat 21 and the first pawl seat 11, the control block 133 at the end is engaged with the pawl control groove 124 of the first pawl controller 12, and the first pawl controller 12 is rotatably assembled on the shaft 5 through the shaft surface mounting inner ring and the engaged control block 133, and the first pawl controller 12 is driven to rotate under the rotation of the first control screw 13. .
Due to the planetary gear train characteristics of the double planetary gear, at most one of the central gears should be kept locked when controlling the first central gear 3 and the second central gear 4, and simultaneously locking both central gears may cause the planetary gear train to be locked.
The transmission of the embodiment can be applied to an inner transmission of a bicycle, and power is output from a wheel hub connected with the inner transmission after being transmitted by the transmission, wherein a planet carrier 61 and an inner gear ring 62 are respectively connected with the wheel hub through overrunning clutches, so that multi-speed ratio transmission between the same power input piece and the same power output piece is realized.
The embodiment can also be applied to a transfer transmission for transfer speed change output, wherein power is respectively output from two power output parts after being transmitted by the transmission, and the planet carrier 61 and the annular gear 62 are respectively and directly connected with the two power output parts in a power connection mode.
The present invention is not limited to the above embodiments, and various applications of the present invention are made in other situations without departing from the spirit and scope of the present invention as defined in the appended claims. Also, any person skilled in the art can make many possible variations and modifications of the solution of the invention using the technical content disclosed above, or modify it into equivalent embodiments with equivalent variations, without departing from the technical solution of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. The center wheel bidirectional clutch control mechanism is characterized by comprising a first pawl, a second pawl, a pawl seat and a pawl controller;
the first pawl and the second pawl are symmetrically arranged on the assembling circumference of the pawl seat and the central wheel, the two pawls are kept in an ejecting state through pawl springs, two rotating directions of the central wheel are respectively limited, and the inner ring of the central wheel is provided with ratchet grooves which are embedded with the corresponding two ejecting pawls;
The pawl controller is rotationally sleeved on the pawl seat, and the inner ring of the pawl controller is provided with a pressing arc section for pressing the pawl and a spring notch for spring the pawl;
The pawl controller is connected with a clutch rotation control system.
2. The center wheel bi-directional clutch control mechanism of claim 1, wherein the pawl comprises a mounting portion for mounting the pawl in a pawl mounting groove on the ratchet seat and maintaining the pawl in an ejected state by a pawl spring, a control portion in contact with the pawl controller inner race for restraining the pawl in a compressed state, and a ratchet portion for engaging with the ratchet groove of the center wheel inner race.
3. The bidirectional clutch control mechanism of the center wheel according to claim 2, wherein the ratchet grooves are uniformly arranged on the inner ring of the center wheel, and two side surfaces of the ratchet grooves are respectively corresponding to the first pawl in the jogged and sprung state and the second pawl in the sprung state.
4. The center wheel bi-directional clutch control mechanism of claim 3, wherein the pressing arcs and the pop-up notches are continuously and alternately arranged in an inner race of the pawl controller.
5. The two-way clutch control mechanism of a center wheel according to claim 4, wherein both ends of the pressing arc section are provided with transition inclined planes which are connected to the bouncing notch.
6. A transmission, characterized in that a transmission mechanism of the transmission adopts a planetary gear train, and a central wheel of the planetary gear train is provided with the central wheel bidirectional clutch control mechanism as claimed in any one of claims 1 to 5;
The power input part of the transmission is respectively connected with the planet carrier and the annular gear of the planetary gear train through the first clutch assembly and the second clutch assembly, and meanwhile, the planet carrier and the annular gear of the planetary gear train are respectively connected with the power output part of the transmission.
7. The transmission of claim 6, the planetary gear train employing a single set of sun gears.
8. The transmission of claim 6, wherein the planetary gear train adopts at least two groups of central wheels, and the central wheels are respectively provided with a group of central wheel bidirectional clutch control mechanisms;
the pawl controllers of the two-way clutch control mechanism of the center wheel are respectively connected to the same control end on the shaft through control rotating pieces, the pawl controller close to the control end is directly and circumferentially positioned and connected with a second control rotating piece, the pawl controller far away from the control end is connected with a first control rotating piece rotationally sleeved on the shaft, and a space for the first rotation control piece to pass through and rotate is arranged between the pawl seats of other center wheels and the shaft.
9. The transmission of claim 8, wherein the first and second control screws are each connected to the rotary support at the same control end on the shaft.
10. The transmission of claim 8, wherein the first control rotor comprises a rotary drum portion sleeved on the shaft and a control rod axially extending from one end of the rotary drum portion, a control block is arranged at the extending end of the control rod, the corresponding pawl controller is provided with an axial surface mounting inner ring rotatably sleeved on the shaft, and the axial surface mounting inner ring is provided with a pawl control groove which is embedded with the control block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005098.3A CN108266500B (en) | 2017-01-04 | 2017-01-04 | Center wheel bidirectional clutch control mechanism and transmission applied by same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005098.3A CN108266500B (en) | 2017-01-04 | 2017-01-04 | Center wheel bidirectional clutch control mechanism and transmission applied by same |
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| Publication Number | Publication Date |
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| CN108266500A CN108266500A (en) | 2018-07-10 |
| CN108266500B true CN108266500B (en) | 2024-07-23 |
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| CN201710005098.3A Active CN108266500B (en) | 2017-01-04 | 2017-01-04 | Center wheel bidirectional clutch control mechanism and transmission applied by same |
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| CN111998040A (en) * | 2020-09-08 | 2020-11-27 | 方勇 | Simple speed change switching device |
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| CN105156664A (en) * | 2015-08-18 | 2015-12-16 | 李激初 | Multi-gear transmission and center wheel pawl installation structure used in same |
| CN204878704U (en) * | 2015-08-18 | 2015-12-16 | 李激初 | Installation of centre wheel pawl structure for keep off derailleur more and answer |
| CN206522410U (en) * | 2017-01-04 | 2017-09-26 | 李激初 | A kind of centre wheel two-way clutch controlling organization and its speed changer of application |
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| CN108266500A (en) | 2018-07-10 |
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Effective date of registration: 20240611 Address after: 528200 Floor 2, Building 8, Guangdong Xuelaite Optoelectronics Technology Co., Ltd., Zone A, Shishan Science and Technology Industrial Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province (residence declaration) Applicant after: GUANGDONG LOFANDI INTELLIGENT TECHNOLOGY CO.,LTD. Country or region after: China Address before: 410016 Room 1205, Building 2, Ducheng Kangxinyuan, Jinxia Community, Yuhua District, Changsha City, Hunan Province Applicant before: Li Jichu Country or region before: China |
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