CN211766091U - Integrated middle-placed motor of electric bicycle - Google Patents

Abstract

The utility model discloses a put motor in electric bicycle integral type, including spline axis, motor bracket and motor lid lower cover, motor lid lower cover has the inner rotor motor through the fix with screw, and the inner rotor motor passes through the gear shaft and connects planetary gear assembly, and planetary gear is connected to the planetary gear assembly, and the second gear is installed in the outside of planetary gear assembly. Put motor in this electric bicycle integral type, wherein place drive assembly at the bicycle intermediate position, when inner rotor motor initiative, the drive power electric bicycle rear wheel that inner rotor motor produced, put motor drive system in the formation, right crank and left crank need not rotate the separation this moment, when pedal right crank and left crank, positive spin controller reads two hall voltages simultaneously, calculate phase difference percentage drive motor power output, through the motor, the combination of positive spin controller integral type, the enjoyment of riding has been increased for electric bicycle power output system, it is more energy-conserving, and is more laborsaving, it is more intelligent.

Description

Integrated middle-placed motor of electric bicycle

Technical Field

The utility model relates to a bicycle motor technical field specifically is a put motor in electric bicycle integral type.

Background

Electric bicycles and electric power-assisted bicycles enter thousands of households like bicycles, and become popular transportation tools. However, the core power components of electric bicycles available on the market have several drawbacks: firstly, the motor, the controller and the torque sensor are separately and independently configured on the electric bicycle, so that the structural complexity is increased; the motor is arranged on the rear wheel or the front wheel, the driving of the electric bicycle is less stable than that of the middle-arranged motor, and the climbing performance, the controllability and the manual mechanics are not as good as that of the middle-arranged motor; thirdly, even if the middle motor is used, the torque sensor is not arranged in the motor. Therefore, an electric bicycle with an integrated design of a motor and a positive spin wave controller, which is more energy-saving, more labor-saving and more intelligent is needed to be designed.

Disclosure of Invention

An object of the utility model is to provide a put motor in electric bicycle integral type possesses more laborsaving, and problem among the prior art can be solved to more intelligent advantage.

In order to achieve the above object, the utility model provides a following technical scheme:

an integrated centrally-mounted motor of an electric bicycle comprises a spline middle shaft, a motor bracket and a motor cover lower cover, wherein the motor cover lower cover is fixedly provided with an inner rotor motor through screws, the inner rotor motor is provided with a coaxial gear shaft, one end of the gear shaft is provided with a planetary gear assembly, the planetary gear assembly is connected with a planetary gear, the planetary gear is movably connected with a gear ring, the planetary gear and the gear ring are both arranged on the side wall of a motor shell reduction box, the outer side of the planetary gear assembly is provided with a second gear, the second gear is movably connected with a first gear through a gear matching mode, the inner wall of the first gear is fixedly connected with a ratchet gear seat, one end of the ratchet gear seat is connected with a sprocket through a locking bolt, the inner chamber of the ratchet gear seat is provided with a ratchet gear, the ratchet gear is arranged on the outer wall of the spline middle shaft, the outer wall of the spline middle shaft is further provided with a sensor shaft sleeve, the outer wall of the sensor shaft sleeve is provided with a first magnetic ring and a second magnetic ring, one side of the first magnetic ring and one side of the second magnetic ring are provided with a Hall integrated substrate assembly, the Hall integrated substrate assembly is arranged on the side wall of the motor cover lower cover, and the outer side of the motor cover lower cover is provided with a motor bracket.

Preferably, a positive spin wave controller is installed in an inner cavity of the motor bracket and connected with the Hall integrated substrate assembly through a lead.

Preferably, the gear ring is sleeved on the outer side of the planetary gear.

Preferably, the spline middle shaft is connected with the ratchet wheel seat through a bearing and a sealing ring.

Preferably, the planet gears are mounted on a side wall of the planetary gear assembly.

Preferably, the inner rotor motor is a dc brushless inner rotor motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this put motor in electric bicycle integral type, wherein place drive assembly at the bicycle intermediate position, when inner rotor motor initiative, the drive power that inner rotor motor produced passes through planetary gear assembly, first gear, the second gear, ratchet seat and sprocket transmit chain or belt drive electric bicycle rear wheel, put motor drive system in the formation, right crank and left crank need not rotate the separation this moment, when pedal right crank and left crank, positive spin controller reads two hall voltages simultaneously, calculate phase difference percentage drive motor power output, through the motor, the combination of positive spin controller integral type, the enjoyment of riding has been increased for electric bicycle power output system, it is more energy-conserving, it is more laborsaving, it is more intelligent.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the middle shaft of the spline of the present invention.

In the figure: 1. a spline middle shaft; 2. a sensor shaft sleeve; 3. a ratchet gear; 4. a ratchet gear seat; 5. a sprocket; 6. a first gear; 7. a second gear; 8. a planetary gear assembly; 9. a gear shaft; 10. a planetary gear; 11. a ring gear; 12. an inner rotor motor; 13. a right crank; 14. a left crank; 15. a first magnetic ring; 16. a second magnetic ring; 17. a Hall integrated substrate assembly; 18. a positive spin controller; 19. a motor bracket; 20. and a lower cover of the motor cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an integrated centrally-mounted motor for an electric bicycle comprises a spline middle shaft 1, a motor bracket 19 and a motor cover lower cover 20, wherein an inner rotor motor 12 is fixed on the motor cover lower cover 20 through screws, the inner rotor motor 12 is a dc brushless inner rotor motor, the dc brushless inner rotor motor operates stably, the inner rotor motor 12 is provided with a coaxial gear shaft 9, one end of the gear shaft 9 is provided with a planetary gear assembly 8, the inner rotor motor 12 drives the planetary gear assembly 8 through the gear shaft 9, the planetary gear assembly 8 is connected with a planetary gear 10, the planetary gear 10 is mounted on the side wall of the planetary gear assembly 8, the planetary gear assembly 8 drives the planetary gear 10, the planetary gear 10 is movably connected with a gear ring 11, the gear ring 11 is sleeved on the outer side of the planetary gear 10, the planetary gear 10 drives the gear ring 11, and the planetary gear, a second gear 7 is arranged on the outer side of the planetary gear assembly 8, the second gear 7 is movably connected with a first gear 6 in a gear tooth matching mode, the inner wall of the first gear 6 is fixedly connected with a ratchet wheel seat 4, one end of the ratchet wheel seat 4 is connected with a chain wheel 5 through a locking bolt, the inner chamber of the ratchet wheel seat 4 is provided with a ratchet wheel 3, the ratchet wheel 3 is arranged on the outer wall of the spline middle shaft 1, the two ends of the spline middle shaft 1 are respectively provided with a right crank 13 and a left crank 14, the spline middle shaft 1 is connected with the ratchet wheel seat 4 through a bearing and a sealing ring, the outer wall of the spline middle shaft 1 is also provided with a sensor shaft sleeve 2, the outer wall of the sensor shaft sleeve 2 is provided with a first magnetic ring 15 and a second magnetic ring 16, one side of the first magnetic ring 15 and the second magnetic ring 16 is provided with a Hall integrated substrate assembly 17, the Hall integrated substrate assembly 17 is arranged on the side, the inner chamber of the motor bracket 19 is provided with a positive spin wave controller 18, and the positive spin wave controller 18 is connected with the Hall integrated substrate assembly 17 through a lead.

The working principle is as follows: when the inner rotor motor 12 is active, the driving force generated by the inner rotor motor 12 is transmitted to a chain or a belt through the planetary gear assembly 8, the first gear 6, the second gear 7, the ratchet gear seat 4 and the chain wheel 5 to drive the rear wheel of the electric bicycle, so as to form a middle motor driving system, at the moment, the right crank 13 and the left crank 14 are not separated in rotation, when the right crank 13 and the left crank 14 are pedaled, the driving force is transmitted to the chain or the belt wheel and the rear wheel of the electric bicycle through the spline middle shaft 1, the sensor shaft sleeve 2, the ratchet gear 3, the ratchet gear seat 4 and the chain wheel 5, at the moment, the inner rotor motor 12 is separated from the second gear 7, meanwhile, the positive spin controller 18 reads the double-Hall voltage, and calculates the phase difference percentage to drive. Specifically, when the right crank 13 and the left crank 14 are pedaled, the sensor shaft sleeve 2 is distorted, the first magnetic ring 15 and the second magnetic ring 16 form angular displacement, the magnetic field is changed, the magnetic field is transmitted to the positive spin wave controller 18 through the hall integrated substrate assembly 17, the pedaling force is detected according to the phase difference percentage, and the power output of the motor is controlled.

In summary, the following steps: this put motor in electric bicycle integral type, wherein place drive assembly in the bicycle intermediate position, when inner rotor motor 12 was initiative, the drive power that inner rotor motor 12 produced passes through planetary gear assembly 8, first gear 6, second gear 7, ratchet wheel seat 4 and sprocket 5 transmit chain or belt and drive the electric bicycle rear wheel, put motor drive system in the formation, right crank 13 and left crank 14 need not rotate the separation this moment, when pedal right crank 13 and left crank 14, positive spin wave controller 18 reads two hall voltages simultaneously, calculate phase difference percentage drive motor power output, through the motor, the combination of positive spin wave controller 18 integral type, for electric bicycle power output system has increased the enjoyment of riding, it is more energy-conserving, it is more laborsaving, it is more intelligent.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a put motor in electric bicycle integral type, includes spline axis (1), motor bracket (19) and motor lid lower cover (20), its characterized in that: the motor cover lower cover (20) is fixedly provided with an inner rotor motor (12) through screws, the inner rotor motor (12) is provided with a gear shaft (9) with the same axle center, one end of the gear shaft (9) is provided with a planetary gear assembly (8), the planetary gear assembly (8) is connected with a planetary gear (10), the planetary gear (10) is movably connected with a gear ring (11), the planetary gear (10) and the gear ring (11) are both arranged on the side wall of a motor shell reduction box, the outer side of the planetary gear assembly (8) is provided with a second gear (7), the second gear (7) is movably connected with a first gear (6) through a gear tooth matching mode, the inner wall of the first gear (6) is fixedly connected with a ratchet seat (4), one end of the ratchet seat (4) is connected with a chain wheel (5) through a locking bolt, and a ratchet gear (3) is arranged in an, ratchet wheel (3) are installed on the outer wall of spline axis (1), right crank (13) and left crank (14) are installed respectively to the both ends of spline axis (1), still install sensor axle sleeve (2) on the outer wall of spline axis (1), install first magnetic ring (15) and second magnetic ring (16) on the outer wall of sensor axle sleeve (2), one side of first magnetic ring (15) and second magnetic ring (16) is equipped with hall integrated substrate assembly (17), hall integrated substrate assembly (17) are installed on the lateral wall of motor cover lower cover (20), the outside of motor cover lower cover (20) is equipped with motor bracket (19).

2. The electric bicycle integrated center motor according to claim 1, wherein: and a positive spin wave controller (18) is arranged in an inner cavity of the motor bracket (19), and the positive spin wave controller (18) is connected with the Hall integrated substrate assembly (17) through a lead.

3. The electric bicycle integrated center motor according to claim 1, wherein: the gear ring (11) is sleeved on the outer side of the planetary gear (10).

4. The electric bicycle integrated center motor according to claim 1, wherein: the spline middle shaft (1) is connected with a ratchet wheel seat (4) through a bearing and a sealing ring.

5. The electric bicycle integrated center motor according to claim 1, wherein: the planet gear (10) is mounted on a side wall of the planetary gear assembly (8).

6. The electric bicycle integrated center motor according to claim 1, wherein: the inner rotor motor (12) is a DC brushless inner rotor motor.

Images