CN117052840A - Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle - Google Patents

Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle Download PDF

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Publication number
CN117052840A
CN117052840A CN202311060050.4A CN202311060050A CN117052840A CN 117052840 A CN117052840 A CN 117052840A CN 202311060050 A CN202311060050 A CN 202311060050A CN 117052840 A CN117052840 A CN 117052840A
Authority
CN
China
Prior art keywords
eccentric sleeve
gear
cycloidal
bearing
cycloidal gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311060050.4A
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Chinese (zh)
Inventor
张海娃
曹景宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxing Bicycle Co ltd
Original Assignee
Wuxing Bicycle Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxing Bicycle Co ltd filed Critical Wuxing Bicycle Co ltd
Priority to CN202311060050.4A priority Critical patent/CN117052840A/en
Publication of CN117052840A publication Critical patent/CN117052840A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)

Abstract

The application discloses a cycloidal fluted disc rotation speed reducing structure of a motor of a booster bicycle, which comprises the following components: a first housing; a second housing; a motor shaft; the stator assembly is arranged in the mounting groove; the rotor assembly is arranged in the stator assembly; a motor cover connected to the first housing; a first eccentric sleeve connected to the rotor assembly; the second eccentric sleeve is connected to the first eccentric sleeve, and the eccentric direction of the first eccentric sleeve is opposite to that of the first eccentric sleeve; the first cycloid wheel is sleeved on the first eccentric sleeve; the second cycloid wheel is sleeved on the second eccentric sleeve; the output pin gear is rotatably supported on the motor shaft and is positioned in the second shell, the output pin gear cover is arranged on the peripheries of the first cycloidal gear and the second cycloidal gear, and pin teeth of the output pin gear are meshed with circumferential curve outlines of the first cycloidal gear and the second cycloidal gear; and the support frame is connected to the first cycloidal gear and the second cycloidal gear. The steam generating disc has the advantage that the transmission efficiency can be improved.

Description

Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle
Technical Field
The application belongs to the technical field of power-assisted bicycles, and particularly relates to a power-assisted bicycle motor cycloidal fluted disc rotation speed reducing structure.
Background
In the existing booster bicycle, the motor is driven by a plurality of gears or planetary gears. The main defects are as follows: the electric machine has larger volume, low rotation efficiency and small reduction ratio. And the appearance is square, and the matching with the whole vehicle is completed through the decorative cover.
Disclosure of Invention
In view of the defects existing in the prior art, the application provides a cycloidal fluted disc rotation speed reducing structure of a motor of a power-assisted bicycle, which solves the problems, and specifically adopts the following technical scheme:
to achieve the above and other objects related to the above, the present application provides a rotation reduction structure for a cycloidal gear disc of a motor of a power assisted bicycle, comprising:
a first housing;
the second shell is connected to the first shell, a mounting space is formed between the first shell and the second shell, and one end of the second shell, which is away from the first shell, is opened to form a mounting groove;
a motor shaft passing through the first housing and the second housing;
the stator assembly is arranged in the mounting groove of the first shell;
the rotor assembly is arranged in the stator assembly and is rotatably supported on the motor shaft;
a motor cover connected to the first housing to close the mounting groove;
a first eccentric sleeve rotatably supported on the motor shaft and connected to the rotor assembly;
the second eccentric sleeve is rotatably supported on the motor shaft and connected to the first eccentric sleeve, and the eccentric direction of the first eccentric sleeve is opposite to that of the first eccentric sleeve;
the first cycloid wheel is sleeved on the first eccentric sleeve;
the second cycloid wheel is sleeved on the second eccentric sleeve;
the output needle gear is rotatably supported on the motor shaft and is positioned in the second shell, the output needle gear cover is arranged on the peripheries of the first cycloidal gear and the second cycloidal gear, and the output needle gear is meshed with the circumferential curve outlines of the first cycloidal gear and the second cycloidal gear through needle teeth which are circumferentially arranged at intervals on the inner wall of the output needle gear;
a support rotatably coupled within the first housing, the support coupled to the first cycloidal gear and the second cycloidal gear;
the controller is arranged in the first shell to control the cycloidal fluted disc rotation speed reducing structure of the motor of the power-assisted bicycle.
Further, the rotor assembly comprises:
a rotor rotatably connected to the motor shaft through two first bearings;
and the magnets are respectively arranged in clamping grooves distributed along the circumferential direction of the outer wall of the rotor.
Further, a first gasket is arranged between the two first bearings.
Further, the cycloidal fluted disc rotation speed reducing structure of the motor of the booster bicycle further comprises:
the first connecting ring is rotatably supported on the motor shaft and positioned between the rotor assembly and the first eccentric sleeve, a plurality of first bolts distributed along the circumferential direction are respectively arranged on two sides of the first connecting ring, the first bolts facing the rotor assembly are inserted into the insertion holes on the rotor assembly, and the first bolts facing the first eccentric sleeve are inserted into the insertion holes on the first eccentric sleeve;
the second connecting ring is positioned between the first eccentric sleeve and the second eccentric sleeve, a plurality of second bolts distributed along the circumferential direction are respectively arranged on two sides of the second connecting ring, the second bolts facing the second eccentric sleeve are inserted into the insertion holes on the second eccentric sleeve, and the second bolts facing the first eccentric sleeve are inserted into the insertion holes on the first eccentric sleeve.
Further, the first connecting ring is rotatably connected to the motor shaft through a second bearing, and a second gasket is arranged between the second bearing and the adjacent first bearing.
Further, the first eccentric sleeve is rotatably connected to the motor shaft through a third bearing, and a third gasket is arranged between the third bearing and the second bearing;
the second eccentric sleeve is rotatably connected to the motor shaft through a fourth bearing.
Further, the first cycloid gear is sleeved on the first eccentric sleeve through a fifth bearing, and a first isolator is further arranged between the first cycloid gear and the first eccentric sleeve;
the second cycloid gear is sleeved on the second eccentric sleeve through a sixth bearing, and a second isolator is further arranged between the second cycloid gear and the second eccentric sleeve.
Further, the support frame comprises a support ring and a plurality of support pins connected to the support ring, the support pins penetrate through the first cycloidal gear and the second cycloidal gear to support the first cycloidal gear and the second cycloidal gear, and the support ring is rotatably connected into the second housing through a seventh bearing.
Further, the output needle gear is rotatably connected to the motor shaft through an eighth bearing, and a ninth bearing is further arranged between the output needle gear and the second housing.
Further, a tenth bearing is arranged between the motor cover and the motor shaft.
The cycloidal gear disc type rotation speed reducing structure of the motor of the booster bicycle has the advantages that the cycloidal gear disc type rotation speed reducing structure of the motor of the booster bicycle is driven by adopting a cycloidal gear structure, and the transmission efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a rotary speed reducing structure for a cycloidal gear disc of a motor of a booster bicycle according to the present application;
FIG. 2 is an exploded view of a rotary reduction structure of a cycloidal gear disc of a motor of a booster bicycle according to the present application;
the motor comprises a first shell 1, a mounting groove 11, a second shell 2, a motor shaft 3, a stator assembly 4, a rotor assembly 5, a rotor 51, a magnet 52, a motor cover 6, a first eccentric sleeve 7, a second eccentric sleeve 8, a first cycloid gear 9, a second cycloid gear 10, an output pin gear 11, pin teeth 111, a supporting frame 12, a supporting ring 121, a supporting pin 122, a first connecting ring 13, a first plug 131, a second connecting ring 14, a second plug 141, a first bearing 15, a first gasket 16, a second bearing 17, a second gasket 18, a third bearing 19, a third gasket 20, a fourth bearing 21, a fifth bearing 22, a first isolator 23, a sixth bearing 24, a second isolator 25, a seventh bearing 26, an eighth bearing 27, a ninth bearing 28, a tenth bearing 29, and a controller 30.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
1-2 show a cycloidal fluted disc rotation speed reducing structure of a motor of a booster bicycle, comprising: the motor comprises a first shell 1, a second shell 2, a motor shaft 3, a stator assembly 4, a rotor assembly 5, a motor cover 6, a first eccentric sleeve 7, a second eccentric sleeve 8, a first cycloid gear 9, a second cycloid gear 10, an output pin gear 11 and a support frame 12.
Wherein the first housing 1 is connected to the second housing 2. In the present application, the first casing 1 and the second casing 2 are integrally connected by screws. The outer surfaces of the first housing 1 and the second housing 2 are provided in the mounting holes. By means of the mounting holes, the cycloidal fluted disc rotating and decelerating structure of the motor of the booster bicycle can be mounted on the bicycle through the fixing screws.
An installation space is formed between the first housing 1 and the second housing 2. The end of the second housing 2 facing away from the first housing 1 is open and forms a mounting groove 11. The motor shaft 3 penetrates the first housing 1 and the second housing 2. The stator assembly 4 is disposed in the mounting groove 11 of the first housing 1. The rotor assembly 5 is disposed within the stator assembly 4 and is rotatably supported on the motor shaft 3. The motor cover 6 is connected to the first housing 1 to close the mounting groove 11. Specifically, the rotor assembly 5 includes a rotor 51 and a plurality of magnets 52. The rotor 51 is rotatably connected to the motor shaft 3 by means of two first bearings 15. The magnets 52 are respectively disposed in the grooves distributed along the circumferential direction of the outer wall of the rotor 51. As a preferred embodiment, a first spacer 16 is provided between the two first bearings 15.
A first eccentric sleeve 7 is rotatably supported on the motor shaft 3 and is connected to the rotor assembly 5. The second eccentric sleeve 8 is rotatably supported on the motor shaft 3 and is connected to the first eccentric sleeve 7. In the present application, the first eccentric sleeve 7 is in a rotation-stopping engagement with the rotor assembly 5, and the second eccentric sleeve 8 is in a rotation-stopping engagement with the first eccentric sleeve 7. Specifically, the cycloidal fluted disc rotation speed reducing structure of the motor of the booster bicycle further comprises: a first connection ring 13 and a second connection ring 14. The first connecting ring 13 is rotatably supported on the motor shaft 3 and is located between the rotor assembly 5 and the first eccentric sleeve 7. The two sides of the first connecting ring 13 are respectively provided with a plurality of first bolts 131 distributed along the circumferential direction, the first bolts 131 facing the rotor assembly 5 are inserted into the jacks on the rotor assembly 5, and the first bolts 131 facing the first eccentric sleeve 7 are inserted into the jacks on the first eccentric sleeve 7. The second connecting ring 14 is located between the first eccentric sleeve 7 and the second eccentric sleeve 8, and two sides of the second connecting ring 14 are respectively provided with a plurality of second bolts 141 distributed along the circumferential direction, the second bolts 141 facing the second eccentric sleeve 8 are inserted into the insertion holes on the second eccentric sleeve 8, and the second bolts 141 facing the first eccentric sleeve 7 are inserted into the insertion holes on the first eccentric sleeve 7. As a preferred embodiment, the first coupling ring 13 is rotatably connected to the motor shaft 3 by means of a second bearing 17, a second spacer 18 being provided between the second bearing 17 and the adjacent first bearing 15.
The eccentric direction of the first eccentric sleeve 7 is opposite to the eccentric direction of the first eccentric sleeve 7. The first cycloidal gear 9 is sleeved on the first eccentric sleeve 7. The second cycloidal gear 10 is sleeved on the second eccentric sleeve 8. The output needle gear 11 is rotatably supported on the motor shaft 3 and is located in the second housing 2. The output pin gear 11 is covered on the outer periphery of the first cycloid gear 9 and the second cycloid gear 10, and the output pin gear 11 is meshed with the circumferential curve profile of the first cycloid gear 9 and the second cycloid gear 10 through pin teeth 111 circumferentially arranged at intervals on the inner wall thereof.
As a preferred embodiment, the first eccentric sleeve 7 is rotatably connected to the motor shaft 3 by means of a third bearing 19, a third washer 20 being arranged between the third bearing 19 and the second bearing 17. The second eccentric sleeve 8 is rotatably connected to the motor shaft 3 by means of a fourth bearing 21.
As a preferred embodiment, the first cycloid gear 9 is sleeved on the first eccentric sleeve 7 through a fifth bearing 22, and a first isolator 23 is further arranged between the first cycloid gear 9 and the first eccentric sleeve 7. The second cycloid gear 10 is sleeved on the second eccentric sleeve 8 through a sixth bearing 24, and a second isolator 25 is further arranged between the second cycloid gear 10 and the second eccentric sleeve 8.
A support frame 12 is rotatably connected to the inside of the first housing 1, and the support frame 12 is connected to the first cycloidal gear 9 and the second cycloidal gear 10.
As a preferred embodiment, the support frame 12 comprises a support ring 121 and a number of support pins 122 connected to the support ring 121. In the embodiment of the present application, the support pins 122 are provided separately from the support ring 121. Specifically, the support pins 122 are inserted into the support ring 121 and fixed by screws. The support pin 122 passes through the first and second cycloid gears 9 and 10 to support the first and second cycloid gears 9 and 10, and the support ring 121 is rotatably coupled into the second housing 2 through the seventh bearing 26.
As a preferred embodiment, the output needle gear 11 is rotatably connected to the motor shaft 3 by an eighth bearing 27, and a ninth bearing 28 is further provided between the output needle gear 11 and the second housing 2. A tenth bearing 29 is provided between the motor cover 6 and the motor shaft 3.
As a preferred embodiment, the rotation reduction structure of the cycloidal gear disc of the motor of the power-assisted bicycle further comprises a controller 30 for controlling the rotation reduction structure of the cycloidal gear disc of the motor of the power-assisted bicycle. The controller 30 is disposed in the first housing 1.
When the cycloidal fluted disc rotating and decelerating structure of the motor of the booster bicycle is electrified, the rotor assembly 5, the first eccentric sleeve 7 and the second eccentric sleeve 8 integrally rotate, the first eccentric sleeve 7 and the second eccentric sleeve 8 respectively drive the first cycloidal gear 9 and the second cycloidal gear 10, and the first cycloidal gear 9 and the second cycloidal gear 10 are meshed with the pin teeth 111 circumferentially and alternately distributed on the inner wall of the output pin gear 11 through respective outer side curve profiles so as to form an inner meshing decelerating structure with one tooth difference. When the rotor assembly 5 rotates one revolution with the eccentric sleeve, the cycloidal gear becomes a planar motion with revolution and rotation due to the characteristic of the profile curve of the cycloidal gear and the limitation of the profile curve of the cycloidal gear by the pin teeth 111 on the output pin gear 11. During the forward rotation of the rotor assembly 5, the eccentric sleeve also rotates forward one revolution, and the cycloid gear rotates one tooth in the opposite direction, thereby being decelerated. The driving force is finally transmitted through the output pin gear 11. It will be appreciated that the needle teeth 111 may have a needle gear sleeve thereon in order to reduce friction.
The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the application in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the application.

Claims (10)

1. The utility model provides a power assisted bicycle motor cycloid fluted disc rotates speed reducing structure which characterized in that contains:
a first housing;
the second shell is connected to the first shell, a mounting space is formed between the first shell and the second shell, and one end of the second shell, which is away from the first shell, is opened to form a mounting groove;
a motor shaft passing through the first housing and the second housing;
the stator assembly is arranged in the mounting groove of the first shell;
the rotor assembly is arranged in the stator assembly and is rotatably supported on the motor shaft;
a motor cover connected to the first housing to close the mounting groove;
a first eccentric sleeve rotatably supported on the motor shaft and connected to the rotor assembly;
the second eccentric sleeve is rotatably supported on the motor shaft and connected to the first eccentric sleeve, and the eccentric direction of the first eccentric sleeve is opposite to that of the first eccentric sleeve;
the first cycloid wheel is sleeved on the first eccentric sleeve;
the second cycloid wheel is sleeved on the second eccentric sleeve;
the output needle gear is rotatably supported on the motor shaft and is positioned in the second shell, the output needle gear cover is arranged on the peripheries of the first cycloidal gear and the second cycloidal gear, and the output needle gear is meshed with the circumferential curve outlines of the first cycloidal gear and the second cycloidal gear through needle teeth which are circumferentially arranged at intervals on the inner wall of the output needle gear;
a support rotatably coupled within the first housing, the support coupled to the first cycloidal gear and the second cycloidal gear;
the controller is arranged in the first shell to control the cycloidal fluted disc rotation speed reducing structure of the motor of the power-assisted bicycle.
2. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
the rotor assembly includes:
a rotor rotatably connected to the motor shaft through two first bearings;
and the magnets are respectively arranged in clamping grooves distributed along the circumferential direction of the outer wall of the rotor.
3. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 2, wherein,
a first gasket is arranged between the two first bearings.
4. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
the cycloidal fluted disc rotation speed reducing structure of the motor of the booster bicycle further comprises:
the first connecting ring is rotatably supported on the motor shaft and positioned between the rotor assembly and the first eccentric sleeve, a plurality of first bolts distributed along the circumferential direction are respectively arranged on two sides of the first connecting ring, the first bolts facing the rotor assembly are inserted into the insertion holes on the rotor assembly, and the first bolts facing the first eccentric sleeve are inserted into the insertion holes on the first eccentric sleeve;
the second connecting ring is positioned between the first eccentric sleeve and the second eccentric sleeve, a plurality of second bolts distributed along the circumferential direction are respectively arranged on two sides of the second connecting ring, the second bolts facing the second eccentric sleeve are inserted into the insertion holes on the second eccentric sleeve, and the second bolts facing the first eccentric sleeve are inserted into the insertion holes on the first eccentric sleeve.
5. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 4, characterized in that,
the first connecting ring is rotatably connected to the motor shaft through a second bearing, and a second gasket is arranged between the second bearing and the adjacent first bearing.
6. The rotary speed reducing structure of cycloidal gear disc for power-assisted bicycle according to claim 5, characterized in that,
the first eccentric sleeve is rotatably connected to the motor shaft through a third bearing, and a third gasket is arranged between the third bearing and the second bearing;
the second eccentric sleeve is rotatably connected to the motor shaft through a fourth bearing.
7. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
the first cycloid gear is sleeved on the first eccentric sleeve through a fifth bearing, and a first isolator is further arranged between the first cycloid gear and the first eccentric sleeve;
the second cycloid gear is sleeved on the second eccentric sleeve through a sixth bearing, and a second isolator is further arranged between the second cycloid gear and the second eccentric sleeve.
8. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
the support frame comprises a support ring and a plurality of support pins connected to the support ring, the support pins penetrate through the first cycloidal gear and the second cycloidal gear to support the first cycloidal gear and the second cycloidal gear, and the support ring is rotationally connected into the second shell through a seventh bearing.
9. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
the output needle gear is rotatably connected to the motor shaft through an eighth bearing, and a ninth bearing is further arranged between the output needle gear and the second housing.
10. The cycloidal gear disc rotating speed reducing structure for power assisted bicycle according to claim 1, wherein,
a tenth bearing is arranged between the motor cover and the motor shaft.
CN202311060050.4A 2023-08-21 2023-08-21 Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle Pending CN117052840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311060050.4A CN117052840A (en) 2023-08-21 2023-08-21 Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311060050.4A CN117052840A (en) 2023-08-21 2023-08-21 Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle

Publications (1)

Publication Number Publication Date
CN117052840A true CN117052840A (en) 2023-11-14

Family

ID=88655031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311060050.4A Pending CN117052840A (en) 2023-08-21 2023-08-21 Cycloidal fluted disc rotation speed reducing structure of motor for booster bicycle

Country Status (1)

Country Link
CN (1) CN117052840A (en)

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