CN110112855B - Motor drive assembly for electric power-assisted bicycle - Google Patents
Motor drive assembly for electric power-assisted bicycle Download PDFInfo
- Publication number
- CN110112855B CN110112855B CN201910282752.4A CN201910282752A CN110112855B CN 110112855 B CN110112855 B CN 110112855B CN 201910282752 A CN201910282752 A CN 201910282752A CN 110112855 B CN110112855 B CN 110112855B
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- China
- Prior art keywords
- block
- fixing block
- wire fixing
- fixed
- rotating shaft
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- 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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
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- 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
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- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a motor driving assembly for an electric power-assisted bicycle, which comprises a base, wherein a fixed block is fixed on the outer side of the base, an end cover is connected to the left end of the base, a waterproof block is arranged inside the fixed block, a rotating shaft rod is arranged inside the base, a stator winding is arranged on the left side of a brake block, a junction box is fixed on the front side of a radiating rib, a second wire fixing block is connected below the first wire fixing block, a vent pipe is arranged on the right upper side of the rotating shaft rod, a first output shaft is arranged at the right end of a fan, a second output shaft is fixed on the left end of the rotating shaft rod, a rotating wheel is arranged on the outer side of the second output shaft, and a baffle is arranged on the. This motor drive assembly for electric power-assisted bicycle can effectually protect this motor, and can be effectual the normal of the inside temperature of assurance frame, is convenient for change the runner moreover.
Description
Technical Field
The invention relates to the technical field of electric power-assisted bicycles, in particular to a motor driving assembly for an electric power-assisted bicycle.
Background
In the production process of the electric power-assisted bicycle, a driving device of the bicycle becomes particularly critical, and a common driving device is a driving motor, so that the requirements of people on a motor driving component for the electric power-assisted bicycle are stricter;
however, the motor driving assembly for the common electric power-assisted bicycle cannot effectively protect the motor, and cannot effectively guarantee the normal temperature inside the base, and the rotating wheel is not convenient to replace, so that the motor driving assembly for the electric power-assisted bicycle is provided, and the problem provided in the scheme is solved.
Disclosure of Invention
The invention aims to provide a motor driving assembly for an electric power-assisted bicycle, which aims to solve the problems that the common motor driving assembly for the electric power-assisted bicycle cannot effectively protect a motor, cannot effectively ensure the normal temperature in a base and is inconvenient to replace a rotating wheel in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a motor driving assembly for an electric power-assisted bicycle comprises a base, wherein a fixed block is fixed on the outer side of the base, an end cover is connected to the left end of the base, a waterproof block is arranged inside the fixed block, a rubber sleeve is connected to the outer side of the waterproof block, a rotating shaft rod is arranged inside the base, a magnetic block is arranged on the outer side of the rotating shaft rod, a brake block is arranged on the outer side of the magnetic block, a stator winding is arranged on the left side of the brake block, a radiating rib is connected to the left side of the stator winding, a junction box is fixed on the front side of the radiating rib, a first wire fixing block is fixed on the front surface of the junction box, a second wire fixing block is connected to the lower side of the first wire fixing block, a connecting wire is connected to the inner side of the second wire fixing block, a vent pipe is arranged on the upper right side of the rotating shaft rod, a, and the outer side of the first output shaft is connected with a bearing, the outer side of the bearing is connected with an adjusting plate, the left end of the rotating shaft rod is fixed with a second output shaft, the outer side of the second output shaft is provided with a rotating wheel, and the left side of the rotating wheel is provided with a baffle plate.
Preferably, the waterproof block forms a telescopic structure in the fixed block, the longitudinal section of the waterproof block is of an I-shaped structure, and the fixed block is uniformly arranged on the outer side of the machine base.
Preferably, the magnetic blocks are uniformly arranged on the outer side of the rotating shaft rod, and the central axis of the rotating shaft rod and the central axis of the stator winding are overlapped.
Preferably, the longitudinal sections of the first wire fixing block and the second wire fixing block are both arc-shaped structures, and the first wire fixing block is connected with the second wire fixing block through a bolt.
Preferably, the inside of adjusting plate is honeycomb structure, and adjusting plate and frame constitute dismantlement structure.
Preferably, the outer surface of the rotating wheel is of a concave-convex structure, and the diameter of the rotating wheel is smaller than that of the baffle.
Compared with the prior art, the invention has the beneficial effects that: the motor driving assembly for the electric power-assisted bicycle can effectively protect the motor, is convenient to ensure the normal temperature in the base and is convenient to replace the rotating wheel;
1. the waterproof motor is provided with the rubber sleeve and the waterproof block, the waterproof block with the longitudinal section in an I-shaped structure forms a telescopic structure in the fixed block, the waterproof block is made of silica gel, and the fixed block is uniformly arranged on the outer side of the base, so that the motor can be effectively protected under the action of the rubber sleeve;
2. the heat dissipation ribs and the vent pipes are arranged, a large amount of heat can be generated by the rotation of the rotating shaft rod, external gas can be conveniently introduced into the base through the vent pipes under the action of the fan, and the normal temperature inside the base can be conveniently ensured under the action of the heat dissipation ribs;
3. the rotary wheel and the second output shaft are arranged, the diameter of the rotary wheel with the outer surface in a concave-convex structure is smaller than that of the baffle, the rotary wheel and the second output shaft form a dismounting structure, and the rotary wheel is convenient to replace under the action of the rotary wheel.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a connection structure of a first wire fixing block and a second wire fixing block according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. a machine base; 2. a fixed block; 3. a waterproof block; 4. a rubber sleeve; 5. a spindle rod; 6. a magnetic block; 7. a brake pad; 8. a stator winding; 9. heat dissipation ribs; 10. a junction box; 11. a first wire fixing block; 12. a second wire fixing block; 13. a connecting wire; 14. a breather pipe; 15. a fan; 16. a bearing; 17. an adjustment plate; 18. a first output shaft; 19. an end cap; 20. a second output shaft; 21. a rotating wheel; 22. and a baffle plate.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
referring to fig. 1-5, the present invention provides a technical solution: a motor driving assembly for an electric power-assisted bicycle comprises a base 1, a fixed block 2, a waterproof block 3, a rubber sleeve 4, a rotating shaft rod 5, a magnetic block 6, a brake block 7, a stator winding 8, a heat dissipation rib 9, a junction box 10, a first wire fixing block 11, a second wire fixing block 12, a connecting wire 13, a vent pipe 14, a fan 15, a bearing 16, an adjusting plate 17, a first output shaft 18, an end cover 19, a second output shaft 20, a rotating wheel 21 and a baffle plate 22, wherein the fixed block 2 is fixed on the outer side of the base 1, the left end of the base 1 is connected with the end cover 19, the waterproof block 3 is arranged inside the fixed block 2, the rubber sleeve 4 is connected on the outer side of the waterproof block 3, the rotating shaft rod 5 is arranged inside the base 1, the magnetic block 6 is arranged on the outer side of the rotating shaft rod 5, the brake block 7 is arranged on the outer side of the magnetic block 6, the stator, the front side of heat dissipation muscle 9 is fixed with terminal box 10, and the front surface of terminal box 10 is fixed with first solidus piece 11, the below of first solidus piece 11 is connected with second solidus piece 12, and the inboard of second solidus piece 12 is connected with connecting wire 13, the upper right side of pivot pole 5 is provided with breather pipe 14, and the right-hand member of pivot pole 5 is fixed with fan 15, the right-hand member of fan 15 is provided with first output shaft 18, and the outside of first output shaft 18 is connected with bearing 16, and the outside of bearing 16 is connected with adjusting plate 17, the left end of pivot pole 5 is fixed with second output shaft 20, and the outside of second output shaft 20 is provided with runner 21, the left side of runner 21 is provided with baffle 22.
As shown in fig. 3, 4 and 5, the waterproof block 3 forms a telescopic structure inside the fixed block 2, the longitudinal section of the waterproof block 3 is in an i-shaped structure, the fixed blocks 2 are uniformly arranged outside the base 1, and the motor can be effectively protected, the longitudinal sections of the first wire fixing block 11 and the second wire fixing block 12 are both in arc-shaped structures, and the first wire fixing block 11 and the second wire fixing block 12 are connected by bolts, so that the circuit is protected conveniently, and the circuit is prevented from being wound in the operation process of the motor;
The working principle is as follows: when the motor driving assembly for the electric power-assisted bicycle is used, firstly, the connecting wire 13 is placed on the first wire fixing block 11 and the second wire fixing block 12, the longitudinal sections of which are of arc-shaped structures, and the first wire fixing block 11 and the second wire fixing block 12 are fixedly connected through bolts, so that the connecting wire 13 is convenient to fix, the normal use of the machine base 1 can be effectively ensured, the waterproof block 3 stretches out and draws back in the fixed block 2, and the machine base 1 is convenient to protect under the action of the rubber sleeve 4;
and fix this frame 1 in electric bicycle's suitable position, then block electric bicycle's chain on runner 21, baffle 22 can effectually prevent that the chain from taking place to drop, at magnetic path 6, brake pads 7 and stator winding 8's effect, be convenient for pivot pole 5 to take place to rotate, pivot pole 5's rotation can produce a large amount of heats, under fan 15's effect, be convenient for let in the inside of frame 1 with outside gas through breather pipe 14, under the effect of heat dissipation muscle 9, be convenient for guarantee the normal of the inside temperature of frame 1, adjusting plate 17 constitutes the dismantlement structure with bearing 16, thereby be convenient for change adjusting plate 17, just accomplish a series of operations of this motor drive assembly for electric bicycle above.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a motor drive assembly for electric power assisted bicycle, includes frame (1) and detachably installs adjusting plate (17) in frame (1), its characterized in that: the motor is characterized in that a fixing block (2) is fixed to the outer side of the base (1), an end cover (19) is connected to the left end of the base (1), a waterproof block (3) is arranged inside the fixing block (2), a rubber sleeve (4) is connected to the outer side of the waterproof block (3), a rotating shaft rod (5) is arranged inside the base (1), a magnetic block (6) is arranged outside the rotating shaft rod (5), a brake block (7) is arranged outside the magnetic block (6), a stator winding (8) is arranged on the left side of the brake block (7), a heat dissipation rib (9) is connected to the left side of the stator winding (8), a junction box (10) is fixed to the front side of the heat dissipation rib (9), a first wire fixing block (11) is fixed to the front surface of the junction box (10), a second wire fixing block (12) is connected to the lower portion of the first wire fixing block (11), and an accommodating space is formed between the first wire fixing block (11) and the second wire fixing block (12), and the second wire fixing block ( A connecting wire (13) is connected to the inner side of the rotating shaft rod (5) to enable the connecting wire (13) to be located in the accommodating space, a vent pipe (14) is arranged on the right upper side of the rotating shaft rod (5), a fan (15) is fixed to the right end of the rotating shaft rod (5), a first output shaft (18) is arranged at the right end of the fan (15), a bearing (16) is connected to the outer side of the first output shaft (18), the bearing (16) penetrates through an adjusting plate (17) to enable the outer side of the adjusting plate (17) to be connected with the adjusting plate (17), a second output shaft (20) is fixed to the left end of the rotating shaft rod (5), a rotating wheel (21) is arranged on the outer side of the second output shaft (; the waterproof block (3) forms a telescopic structure in the fixed block (2), the longitudinal section of the waterproof block (3) is of an I-shaped structure, and the fixed block (2) is uniformly arranged on the outer side of the machine base (1); the outer surface of the rotating wheel (21) is of a concave-convex structure, and the diameter of the rotating wheel (21) is smaller than that of the baffle (22).
2. The motor drive unit for an electric power assisted bicycle according to claim 1, characterized in that: the magnetic blocks (6) are uniformly arranged on the outer side of the rotating shaft rod (5), and the central axis of the rotating shaft rod (5) and the central axis of the stator winding (8) are overlapped.
3. The motor drive unit for an electric power assisted bicycle according to claim 1, characterized in that: the longitudinal sections of the first wire fixing block (11) and the second wire fixing block (12) are both arc-shaped structures, and the first wire fixing block (11) is connected with the second wire fixing block (12) in a bolt connection mode.
4. The motor drive unit for an electric power assisted bicycle according to claim 1, characterized in that: the interior of the adjusting plate (17) is of a honeycomb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282752.4A CN110112855B (en) | 2019-04-10 | 2019-04-10 | Motor drive assembly for electric power-assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282752.4A CN110112855B (en) | 2019-04-10 | 2019-04-10 | Motor drive assembly for electric power-assisted bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110112855A CN110112855A (en) | 2019-08-09 |
| CN110112855B true CN110112855B (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282752.4A Active CN110112855B (en) | 2019-04-10 | 2019-04-10 | Motor drive assembly for electric power-assisted bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN110112855B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117325974B (en) * | 2023-11-20 | 2024-04-23 | 惠州锐鉴兴科技有限公司 | High-stability middle-mounted electromechanical power-assisted mountain bike |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10062368A1 (en) * | 2000-12-14 | 2002-06-20 | Bsh Bosch Siemens Hausgeraete | Arrangement for damping the vibration emanating from an engine |
| CN206723339U (en) * | 2017-04-07 | 2017-12-08 | 连云港恒奥达肥料科技有限公司 | A kind of shock-damping structure of fertilizer production device |
| CN107453522A (en) * | 2017-08-01 | 2017-12-08 | 江苏优远机械有限公司 | A kind of electric motor protecting shell with thermolysis |
| CN208158319U (en) * | 2018-05-23 | 2018-11-27 | 江西力玛机电科技有限公司 | A kind of motor housing with shock-absorbing function |
| CN108923573A (en) * | 2018-07-06 | 2018-11-30 | 李东方 | A kind of multifunctional leather belt motor |
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2019
- 2019-04-10 CN CN201910282752.4A patent/CN110112855B/en active Active
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| Publication number | Publication date |
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| CN110112855A (en) | 2019-08-09 |
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