CN220905260U - Put two separation and reunion structures of motor in - Google Patents
Put two separation and reunion structures of motor in Download PDFInfo
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- CN220905260U CN220905260U CN202321892855.0U CN202321892855U CN220905260U CN 220905260 U CN220905260 U CN 220905260U CN 202321892855 U CN202321892855 U CN 202321892855U CN 220905260 U CN220905260 U CN 220905260U
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- wedge
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- 238000000926 separation method Methods 0.000 title description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a middle motor double-clutch structure which comprises a shell, a motor, a tooth disc seat and a central shaft, wherein the motor is arranged in the shell, the output end of the motor is in transmission connection with a transmission shaft, the transmission shaft is in transmission connection with a driven fluted disc, the driven fluted disc is in rotary connection with the shell, the tooth disc seat is fixedly connected with the tooth disc, the central shaft is in rotary connection with the shell, the central shaft is in transmission connection with the tooth disc seat through a first one-way clutch, the driven fluted disc is in transmission connection with the tooth disc seat through a second one-way clutch, and cranks are arranged at two ends of the central shaft. The utility model adopts a double-clutch structure, so that a rider cannot passively tread when assisting the bicycle, and the motor is prevented from being driven when not assisting the bicycle, so that the motor and the battery are protected, and the bicycle is more labor-saving.
Description
Technical Field
The utility model relates to the technical field of power-assisted bicycles, in particular to a double-clutch structure of a centrally-mounted motor.
Background
Today, modern vehicles rapidly develop, and bicycles become a vehicle which is more prone to be selected in the short trip process of people by virtue of the characteristics of environment friendliness, convenience, rapidness and the like. And along with development of electronic technology, a booster bicycle with a booster system is added on the basis of a common bicycle, and the booster bicycle can provide booster for a rider through a motor in the booster system in the riding process of the rider, so that the movement load of the rider is reduced, and the rider is easier.
In the prior art, a transmission system between a pedal center shaft and a middle motor always keeps linkage, when the electric quantity of a power-assisted bicycle is exhausted, if manual driving is adopted, the motor is reversed, riding difficulty is caused, reaction electromotive force is generated, the motor and a battery are damaged, and a rider is more laborious.
Therefore, how to provide a double-clutch structure of a central motor to solve the problems existing in the prior art has important significance for application.
Disclosure of utility model
Therefore, the present application is directed to a dual clutch structure for a center motor to solve the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a put two separation and reunion structures of motor, includes shell, motor, tooth dish seat and axis, the motor is installed in the inside of shell, the output transmission of motor is connected with the transmission shaft, the transmission shaft transmission is connected with driven fluted disc, driven fluted disc rotates with the shell and is connected, tooth dish seat rotates with the shell to be connected, tooth dish seat fixedly connected with tooth dish, the axis rotates with the shell to be connected, be connected through first one-way clutch transmission between axis and the tooth dish seat, be connected through second one-way clutch transmission between driven fluted disc and the tooth dish seat, the crank is all installed at the centraxonial both ends.
Preferably, the dental tray seat comprises a large sleeve and a small sleeve, the large sleeve and the small sleeve are connected end to end, the middle shaft axially penetrates through the dental tray seat, the small sleeve is rotationally connected with the middle shaft through a bearing, and a first connecting piece is fixedly connected with the part of the middle shaft, which is positioned on the large sleeve.
Preferably, the first one-way clutch comprises a first wedge block, first balls, a first tension spring and a first clamp spring, wherein the first wedge block and the first balls are arranged between a first connecting piece and a large sleeve, the number of the first wedge block and the first balls is 2 to 1, the first wedge block and the first balls are distributed at intervals, every two first wedge blocks are in a group, one first ball is arranged between every two first wedge blocks, the first wedge blocks are elastically connected with the large sleeve through the first tension spring, and the first wedge block and the first ball are arranged inside the large sleeve through the first clamp spring.
Preferably, the second one-way clutch seat comprises a second wedge block, second balls, a second tension spring and a second clamp spring, a second connecting piece is arranged on the inner side of the driven fluted disc, the second wedge block and the second balls are arranged between the second connecting piece and the large sleeve, the number of the second wedge block and the second balls is 2 to 1, the second wedge blocks and the second balls are distributed at intervals, every two second wedge blocks are in a group, one second ball is arranged between every two second wedge blocks, the second wedge blocks are elastically connected with the second connecting piece through the second tension spring, and the second wedge blocks and the second balls are arranged inside the second annular connecting piece through the second clamp spring.
Compared with the prior art, the utility model has the beneficial effects that:
1. When a rider rides the bicycle, the motor drives the driven fluted disc to rotate through the transmission shaft, and the driven fluted disc drives the toothed disc seat to rotate through the second one-way clutch, so that driving assistance is carried out, and the riding is more labor-saving.
2. When a rider pauses riding, the middle shaft is separated from the dental tray seat through the first one-way clutch, and the crank does not need to passively rotate along with the dental tray, so that pedals pinch are avoided, and riding comfort is improved.
3. When the power-assisted bicycle is not powered, the second one-way clutch is disengaged, so that riding difficulty caused by reverse rotation of the motor and reactive electromotive force generated are avoided, the motor and the battery are damaged, and the power-assisted bicycle can bring riding experience of a common bicycle to a rider.
4. The first one-way clutch and the second one-way clutch adopt novel structures, the one-way clutch adopts a structure of balls and wedges, the balls bear axial load brought in the running process of the gear, unbalanced load of the gear is avoided, the wedges and the tension springs are matched, the clutch stability is ensured, and the bearing capacity is higher than that of the one-way needle bearing.
The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the technical means of the present application, so that the present application may be practiced according to the teachings of the present specification, and so that the above-mentioned and other objects, features and advantages of the present application may be better understood, and the following detailed description of the preferred embodiments of the present application will be presented in conjunction with the accompanying drawings.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the present utility model;
fig. 3 is a cross-sectional view of the present utility model.
In the figure: 1. a motor; 2. a transmission shaft; 3. a housing; 4. a driven fluted disc; 5. a first one-way clutch; 6. a second one-way clutch; 7. a dental tray seat; 8. a center shaft; 9. a crank; 10. a dental tray; 51. a first wedge; 52. a first ball; 53. a first tension spring; 54. a first clamp spring; 61. a second wedge; 62. a second ball; 63. a second tension spring; 64. and a second clamping spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Referring to fig. 1-3, the present invention provides a technical scheme of a dual clutch structure of a central motor: the utility model provides a put motor double clutch structure, including shell 3, motor 1, tooth dish seat 7 and axis 8, motor 1 installs in the inside of shell 3, motor 1's output transmission is connected with transmission shaft 2, be provided with the axle gear on the transmission shaft 2, transmission shaft 2 is connected with driven fluted disc 4 through axle gear transmission, driven fluted disc 4 rotates with shell 3 to be connected, tooth dish seat 7 fixedly connected with tooth dish 10, axis 8 rotates with shell 3 to be connected, be connected through first one-way clutch 5 transmission between axis 8 and the tooth dish seat 7, be connected through the transmission of second one-way clutch 6 between driven fluted disc 4 and the tooth dish seat 7, crank 9 is all installed at the both ends of axis 8.
The dental disc seat 7 comprises a large sleeve and a small sleeve, the large sleeve is connected with the small sleeve end to end, the middle shaft 8 axially penetrates through the dental disc seat 7, the small sleeve is rotationally connected with the middle shaft 8 through a bearing, and a first connecting piece is fixedly connected with the part of the middle shaft 8, which is positioned on the large sleeve.
The first one-way clutch 5 comprises a first wedge block 51, first balls 52, a first tension spring 53 and a first clamp spring 54, wherein the first wedge block 51 and the first balls 52 are arranged between a first connecting piece and a large sleeve, the number of the first wedge block 51 and the first balls 52 is 2 to 1, the first wedge blocks 51 and the first balls 52 are distributed at intervals, every two first wedge blocks 51 are in a group, one first ball 52 is arranged between every two first wedge blocks 51, the first wedge blocks 51 are elastically connected with the large sleeve through the first tension spring 53, and the first wedge blocks 51 and the first balls 52 are arranged inside the large sleeve through the first clamp spring 54.
In this embodiment, the first one-way clutch 5 is responsible for the separation and reunion between the axis 8 and the dental disc seat 7, when the middle axis 8 actively rotates, the first wedge block 51 realizes the engagement between the axis 8 and the dental disc seat 7, the axis 8 drives the dental disc seat 7 to rotate, thereby realizing manpower output, when the axis 8 does not rotate, the first wedge block 51 realizes the separation and reunion between the axis 8 and the dental disc seat 7, the dental disc seat 7 does not drive the axis 8 to rotate, the crank 9 does not rotate passively along with the running of the vehicle, and riding is more labor-saving.
The second one-way clutch 6 comprises a second wedge block 61, a second ball 62, a second tension spring 63 and a second clamp spring 64, wherein a second connecting piece is arranged on the inner side of the driven fluted disc 4, the second wedge block 61 and the second ball 62 are arranged between the second connecting piece and the large sleeve, the number of the second wedge block 61 and the second ball 62 is 2 to 1, the second wedge blocks 61 and the second ball 62 are distributed at intervals, every two second wedge blocks 61 are in a group, one second ball 62 is arranged between every two second wedge blocks 61, the second wedge blocks 61 are elastically connected with the second connecting piece through the second tension spring 63, and the second wedge block 61 and the second ball 62 are arranged inside the second annular connecting piece through the second clamp spring 64.
In this embodiment, the second one-way clutch 6 is responsible for carrying out the separation and reunion between driven fluted disc 4 and the tooth dish seat 7, when driven fluted disc 4 rotates, the meshing between driven fluted disc 4 and the tooth dish seat 7 is realized to the second voussoir 61 this moment for driven fluted disc 4 drives tooth dish seat 7 transmission, tooth dish seat 7 rotates, and when driven fluted disc 4 does not have power drive, the separation and reunion between driven fluted disc 4 and the tooth dish seat 7 is realized to the second voussoir 61 this moment, thereby avoid motor 1 reversal, cause riding difficulty and produce reaction electromotive force, damage motor and battery, the moped can bring the experience of ordinary bicycle riding for the rider this moment.
In this technical scheme, driven fluted disc 4 can drive tooth dish seat 7 rotation, and driven fluted disc 4 can not be by tooth dish seat 7 reverse drive, and axis 8 can drive tooth dish seat 7 rotation, and axis 8 can not be by tooth dish seat 7 reverse drive.
The specific use is as follows:
① When the motor 1 is started, the motor 1 drives the driven fluted disc 4 to rotate through the transmission shaft 2, so that the driven fluted disc 4 drives the toothed disc seat 7 to rotate through the second one-way clutch 6, the toothed disc seat 7 drives the toothed disc 10 to rotate, and power-assisted driving is realized, and at the moment, if a rider does not tread the crank 9, the first one-way clutch 5 between the middle shaft 8 and the toothed disc seat 7 is in a disengaging state, and at the moment, the crank 9 does not passively rotate along with the running of a vehicle, so that the pedal pinch is avoided when the rider rides, and riding comfort is improved;
② When the motor 1 is not started, the middle shaft 8 is driven to rotate by the pedal crank 9 of the rider, the middle shaft 8 drives the dental disc seat 7 to rotate by the first one-way clutch 5, and the dental disc seat 7 drives the dental disc 10 to rotate, so that the vehicle is driven to run, the second one-way clutch 6 is disengaged, the motor 1 is prevented from reversing, riding difficulty is caused, reaction electromotive force is generated, the motor and a battery are damaged, and the power-assisted bicycle can bring riding experience of a common bicycle to the rider.
The above description is only of the preferred embodiments of the present utility model and it is not intended to limit the scope of the present utility model, but various modifications and variations can be made by those skilled in the art. Variations, modifications, substitutions, integration and parameter changes may be made to these embodiments by conventional means or may be made to achieve the same functionality within the spirit and principles of the present utility model without departing from such principles and spirit of the utility model.
Claims (4)
1. A put motor double clutch structure, its characterized in that: including shell (3), motor (1), tooth dish seat (7) and axis (8), motor (1) installs in the inside of shell (3), the output transmission of motor (1) is connected with transmission shaft (2), transmission shaft (2) transmission is connected with driven fluted disc (4), driven fluted disc (4) rotate with shell (3) and are connected, tooth dish seat (7) rotate with shell (3) to be connected, tooth dish seat (7) fixedly connected with tooth dish (10), axis (8) rotate with shell (3) to be connected, be connected through first one-way clutch (5) transmission between axis (8) and tooth dish seat (7), be connected through second one-way clutch (6) transmission between driven fluted disc (4) and tooth dish seat (7), crank (9) are all installed at the both ends of axis (8).
2. A center motor double clutch structure as defined in claim 1, wherein: the dental tray seat (7) comprises a large sleeve and a small sleeve, the large sleeve and the small sleeve are connected end to end, the middle shaft (8) axially penetrates through the dental tray seat (7), the small sleeve is rotationally connected with the middle shaft (8) through a bearing, and a first connecting piece is fixedly connected with the part of the middle shaft (8) located on the large sleeve.
3. A center motor double clutch structure as defined in claim 2, wherein: the first one-way clutch (5) comprises a first wedge block (51), first balls (52), a first tension spring (53) and a first clamp spring (54), wherein the first wedge block (51) and the first balls (52) are arranged between a first connecting piece and a large sleeve, the number of the first wedge block (51) and the first balls (52) is 2 to 1, the first wedge block (51) and the first balls (52) are distributed at intervals, every two first wedge blocks (51) are in a group, one first ball (52) is arranged between each group of first wedge blocks (51), the first wedge blocks (51) are elastically connected with the large sleeve through the first tension spring (53), and the first wedge blocks (51) and the first balls (52) are arranged inside the large sleeve through the first clamp spring (54).
4. A center motor double clutch structure as claimed in claim 3, wherein: the second one-way clutch (6) comprises a second wedge block (61), second balls (62), second tension springs (63) and second clamp springs (64), a second connecting piece is arranged on the inner side of the driven fluted disc (4), the second wedge block (61) and the second balls (62) are arranged between the second connecting piece and the large sleeve, the number of the second wedge block (61) and the second balls (62) is 2 to 1, the second wedge block (61) and the second balls (62) are distributed at intervals, every two second wedge blocks (61) are in a group, one second ball (62) is arranged between every two second wedge blocks (61), the second wedge blocks (61) are elastically connected with the second connecting piece through the second tension springs (63), and the second wedge blocks (61) and the second balls (62) are arranged inside the second annular connecting piece through the second clamp springs (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892855.0U CN220905260U (en) | 2023-07-18 | 2023-07-18 | Put two separation and reunion structures of motor in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892855.0U CN220905260U (en) | 2023-07-18 | 2023-07-18 | Put two separation and reunion structures of motor in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220905260U true CN220905260U (en) | 2024-05-07 |
Family
ID=90920872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321892855.0U Active CN220905260U (en) | 2023-07-18 | 2023-07-18 | Put two separation and reunion structures of motor in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220905260U (en) |
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2023
- 2023-07-18 CN CN202321892855.0U patent/CN220905260U/en active Active
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