CN107914818B - Spoke motor and bicycle wheel - Google Patents
Spoke motor and bicycle wheel Download PDFInfo
- Publication number
- CN107914818B CN107914818B CN201711310607.XA CN201711310607A CN107914818B CN 107914818 B CN107914818 B CN 107914818B CN 201711310607 A CN201711310607 A CN 201711310607A CN 107914818 B CN107914818 B CN 107914818B
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- CN
- China
- Prior art keywords
- frame body
- battery
- spoke
- spoke motor
- main frame
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Classifications
-
- 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
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
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- 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
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides a spoke motor and a bicycle wheel, and belongs to the technical field of electric bicycles. It has solved the less problem of battery installation space in the current spoke motor cavity. The spoke motor comprises a mounting shaft, a stator support, a stator and a controller, wherein the stator support is provided with a main frame body which is cylindrical and sleeved on the mounting shaft, and an auxiliary frame body which is annular and fixed on the outer peripheral surface of the main frame body, the stator is fixed on the outer peripheral surface of the auxiliary frame body, the controller is in a circular arc structure and is fixed on one side surface of the auxiliary frame body, the main frame body is provided with a battery groove which is arranged along the axial direction of the mounting shaft, and two ends of the battery groove are respectively positioned on two opposite sides of the stator. This spoke motor has reduced the spare part number in the cavity for constitute the spare part reduction of spoke motor, spoke motor's structure is simpler, makes things convenient for spoke motor's assembly, has still improved the usable space in the wheel hub cavity, and then has increased the installation space of battery in the wheel hub cavity.
Description
Technical Field
The invention belongs to the technical field of electric bicycles, and particularly relates to a spoke motor and a bicycle wheel.
Background
The bicycle is a comparatively nimble instrument of riding instead of walk, and traditional bicycle uses the people's foot to step on the footboard as power, and electric bicycle uses in-wheel motor drive wheel and has concurrently to trample the function of riding, electric bicycle's fast, labour saving and time saving. The battery, the controller and the motor of the existing electric bicycle are distributed at different positions of the bicycle body, the installation is complex, the appearance is influenced, and the existing structural form is unfavorable for modifying the bicycle.
At present, china patent net discloses a hub motor (authorized bulletin number: 204947838U), which comprises a rotating shaft, a spoke hub, a threaded end cover, a disc brake end cover, a stator assembly, rotor magnetic steel and a wire harness assembly, wherein the threaded end cover and the disc brake end cover are respectively fixed at two ends of the spoke hub and enclose a cavity between the spoke hub and the threaded end cover, the threaded end cover and the disc brake end cover are respectively arranged on the rotating shaft through bearings, the stator assembly is positioned in the cavity and fixed on the rotating shaft, the rotor magnetic steel is fixed on the inner wall of the spoke hub and is oppositely arranged with the stator assembly, one end of the wire harness assembly is connected with the stator assembly, the other end of the wire harness assembly is led out of the cavity, the hub motor further comprises a controller and a battery, a controller box is further arranged in the cavity, the controller is sleeved on the rotating shaft and is relatively static with the rotating shaft, a battery box is further arranged in the cavity, the battery box is sleeved on the rotating shaft and is relatively static with the rotating shaft, and the battery box is arranged in the battery box.
The hub motor structure has the following defects: 1. a cavity is formed between the threaded end cover and the disc brake end cover, the controller is arranged in the cavity through the controller box, and the battery is arranged in the cavity through the battery box, so that parts of the hub motor are numerous, and the hub motor is inconvenient to assemble; 2. the battery box and the controller box occupy a certain space in the cavity, so that the space for installing the battery in the cavity is reduced, and the cruising of the hub motor is not facilitated; 3. the cavity space between the battery box and the controller box of the structure is wasted, and the compact design of the volume of the hub motor is not met.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a spoke motor and a bicycle wheel, which aims at solving the technical problems that: how to increase the battery installation space in the spoke motor cavity.
The aim of the invention can be achieved by the following technical scheme: the spoke motor comprises a mounting shaft, a stator support, a stator and a controller, wherein the stator support is provided with a main frame body which is cylindrical and sleeved on the mounting shaft, and an auxiliary frame body which is annular and fixed on the outer peripheral surface of the main frame body, and the stator is fixed on the outer peripheral surface of the auxiliary frame body.
Firstly, when the spoke motor is assembled, the battery is arranged in the battery groove, the controller is arranged in an arc shape, so that the shape of the controller is matched with that of the auxiliary frame body, the controller can be conveniently arranged on the auxiliary frame body, the diameter of the main frame body can be larger, the volume of the main frame body is increased, the size of the battery groove is further increased, and the installation space of the battery is improved. Secondly, the structure of this battery jar make full use of the space in the wheel hub cavity for the battery jar has deeper degree of depth in the axis direction of installation axle, and then has further improved the installation space of battery.
In the spoke motor, one side surface of the auxiliary frame body is provided with an arc-shaped groove matched with the shape of the controller, and the controller is fixed in the arc-shaped groove. The structure installs the controller in the circular arc groove, and is convenient for the installation and the location of the controller on the auxiliary frame body.
In the spoke motor, two battery grooves are arranged, the cross sections of the battery grooves are in a semicircular arc shape, and the openings of the two battery grooves face opposite directions; the spoke motor further comprises a battery which is matched with the battery groove in shape and is inserted into the battery groove, and one end of the battery is provided with a flanging which abuts against the opening end of the battery groove. The flanging of the battery with the structure is positioned outside the battery tank, and the battery can be inserted into or pulled out of the battery tank through the flanging, so that the battery can be conveniently installed and detached; in addition, because the one end of battery has the turn-ups for the weight of battery at this end is heavier, and the opening orientation of two battery grooves is opposite, consequently after all pegging graft the battery in two battery grooves, the orientation of the turn-ups end of battery is opposite, makes the whole atress of body uniform, is favorable to the battery to install steadily on the body frame.
In the spoke motor, the spoke motor further comprises a hub sleeved on the mounting shaft and an end cover which is annular and sleeved on the outer peripheral surface of the main frame body, and the end cover is fixedly connected to the opening end of the hub through a fastener. The end cover structure enables the opening of one of the battery grooves to be exposed, and the battery in the battery groove can be replaced and maintained without disassembling the end cover; compared with the prior art, the end cover is smaller in size, so that the size of the spoke motor is reduced, the structure is more compact, the assembly of the end cover on the spoke motor is facilitated, and the manufacturing cost is reduced.
In the spoke motor, the end cover is connected to the main frame body through the bearing, the inner ring of the bearing is fixed to the outer peripheral surface of the main frame body, and the outer ring of the bearing is fixed to the end cover. This structure allows the end cap to rotate relative to the main frame body.
In the spoke motor, the bearing is a waterproof bearing. The structure increases the sealing effect of the joint of the end cover and the battery installation part, so that water is not easy to enter the cavity, and the effect of protecting the battery and the controller in the cavity is achieved.
A bicycle wheel, characterized in that it comprises the above spoke motor.
Compared with the prior art, the spoke motor has the following advantages: firstly, the independent arrangement of a battery box and a controller box in a hub cavity is avoided, the number of parts in the cavity is reduced, the parts forming the spoke motor is reduced, the structure of the spoke motor is simpler, the assembly of the spoke motor is convenient, the available space in the hub cavity is also improved, and the installation space of the battery in the hub cavity is further increased; secondly, the structure of this battery jar make full use of the space in the wheel hub cavity for the battery jar has deeper degree of depth in the axis direction of installation axle, and then has further improved the installation space of battery.
Drawings
Fig. 1 is a schematic cross-sectional view of a spoke motor according to the present invention.
Fig. 2 is a schematic diagram of an exploded construction of the spoke motor of the present invention.
Fig. 3 is a schematic structural view of the stator frame of the present invention.
Fig. 4 is a schematic perspective view of a bicycle wheel in accordance with the present invention.
In the figure, 1, a mounting shaft; 2. a stator support; 20. a main frame body; 20a, a battery groove; 21. a sub-frame body; 21a, a controller slot; 3. a stator; 4. a hub; 40. a cavity; 5. a controller; 6. a battery; 60. flanging; 7. an end cap; 8. a fastener; 9. a bearing; 10. a bicycle wheel.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the motor comprises a mounting shaft 1, a stator support 2, a stator 3, a hub 4 with a cavity 40, a controller 5 and a battery 6, wherein the stator support 2 and the hub 4 are all arranged on the mounting shaft 1 in a penetrating manner, the stator support 2 is positioned in the cavity 40, the stator support 2 comprises a main frame body 20 which is cylindrical and sleeved on the mounting shaft 1 and an auxiliary frame body 21 which is annular and fixed on the outer circumferential surface of the main frame body 20, the controller 5 is in a circular arc structure, one side surface of the auxiliary frame body 21 is provided with a circular arc groove 21a matched with the shape of the controller 5, the controller 5 is fixed in the circular arc groove 21a, the stator 3 is fixed on the outer circumferential surface of the auxiliary frame body 21, the main frame body 20 is provided with a battery groove 20a which is arranged along the axial direction of the mounting shaft 1, and two ends of the battery groove 20a are respectively positioned on two opposite sides of the stator 3.
More specifically, the battery slots 20a are provided with two semicircular arc-shaped cross sections, and the openings of the two battery slots 20a face opposite directions; the spoke motor further comprises a battery 6 which is matched with the battery groove 20a in shape and is inserted into the battery groove 20a, and one end of the battery 6 is provided with a flanging 60 which is abutted against the open end of the battery groove. After the battery 6 is installed in the battery groove 20a, the whole stress of the main frame body 20 is uniform, and the battery 6 is stably installed on the main frame body 20.
As shown in fig. 1 and 2, the spoke motor further comprises a hub 4 sleeved on the mounting shaft 1 and an end cover 7 which is annular and sleeved on the outer circumferential surface of the main frame body 20, the end cover 7 is fixedly connected to the opening end of the hub 4 through a fastener 8, the end cover 7 is connected to the main frame body 20 through a bearing 9, the inner ring of the bearing 8 is fixed on the outer circumferential surface of the main frame body 20, and the outer ring of the bearing 9 is fixed on the end cover 7, wherein the bearing 9 is a waterproof bearing in the embodiment. The end cover 7 is structured such that the opening of one of the battery slots 20a is exposed to the outside, and the battery 6 in the battery slot 20a can be replaced and repaired without disassembling the end cover 7; compared with the prior art, the end cover 7 is smaller in size, so that the size of the spoke motor is reduced, the structure is more compact, the assembly of the end cover 7 on the spoke motor is facilitated, and the manufacturing cost is reduced.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms of the mounting shaft 1, the stator bracket 2, the main frame body 20, the battery jar 20a, the sub-frame body 21, the circular arc-shaped groove 21a, the stator 3, the hub 4, the cavity 40, the controller 5, the battery 6, the flange 60, the end cover 7, the fastener 8, the bearing 9, the bicycle wheel 10, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (7)
1. The utility model provides a spoke motor, includes installation axle (1), stator support (2), stator (3) and controller (5), stator support (2) have be cylindrical and cover establish main frame body (20) on installation axle (1) and be annular and fix auxiliary frame body (21) on main frame body (20) outer peripheral face, stator (3) are fixed on the outer peripheral face of auxiliary frame body (21), a serial communication port, controller (5) are convex structure and fix on one side of auxiliary frame body (21), main frame body (20) have battery jar (20 a) that set up along the axial of installation axle (1), both ends of battery jar (20 a) are located the both sides that stator (3) are relative respectively, battery jar (20 a) are provided with two, the radial cross-section of battery jar (20 a) along installation axle (1) is semi-circular, and two battery jar (20 a) have the axial opening of orientation installation axle (1), and the orientation is opposite, the motor still includes and establishes in battery jar (20 a) phase-match with battery jar (20 a) shape.
2. A spoke motor according to claim 1, characterized in that a side of the sub-frame (21) has an arc-shaped groove (21 a) matching the shape of the controller (5), the controller (5) being fixed in the arc-shaped groove (21 a).
3. A spoke motor according to claim 1, characterized in that one end of the battery (6) has a flange (60) which abuts against the open end of the battery compartment.
4. A spoke motor according to claim 1, 2 or 3, characterized in that the spoke motor further comprises a hub (4) sleeved on the mounting shaft (1) and an end cover (7) which is annular and sleeved on the outer peripheral surface of the main frame body (20), wherein the end cover (7) is fixedly connected to the opening end of the hub (4) through a fastener (8).
5. A spoke motor according to claim 4, characterized in that the end cap (7) is connected to the main frame body (20) by means of a bearing (9), an inner ring of the bearing (9) is fixed to the outer circumferential surface of the main frame body (20), and an outer ring of the bearing (9) is fixed to the end cap (7).
6. A spoke motor according to claim 5, characterized in that the bearing (9) is a watertight bearing.
7. A bicycle wheel, characterized in that the bicycle wheel (10) comprises a spoke motor according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310607.XA CN107914818B (en) | 2017-12-11 | 2017-12-11 | Spoke motor and bicycle wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310607.XA CN107914818B (en) | 2017-12-11 | 2017-12-11 | Spoke motor and bicycle wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107914818A CN107914818A (en) | 2018-04-17 |
| CN107914818B true CN107914818B (en) | 2023-08-01 |
Family
ID=61893262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711310607.XA Active CN107914818B (en) | 2017-12-11 | 2017-12-11 | Spoke motor and bicycle wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107914818B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758239A (en) * | 2021-01-25 | 2021-05-07 | 深圳市达伦仕科技有限公司 | Intelligent electric power-assisted wheel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6342769B1 (en) * | 2000-11-07 | 2002-01-29 | Orville J. Birkestrand | Electronic throttle/brake control system for monitorized wheel hub |
| CN101428674A (en) * | 2007-11-07 | 2009-05-13 | 王�华 | Drive wheel |
| CN206049958U (en) * | 2016-06-17 | 2017-03-29 | 名泰机械制造有限公司 | A kind of electronic front-wheel for bicycle |
| CN106627969B (en) * | 2016-10-22 | 2022-06-28 | 常州摩本智能科技有限公司 | Wheel with motor |
| CN105978232B (en) * | 2016-07-14 | 2019-01-29 | 常州爱尔威智能科技有限公司 | Motor and the wheel for using the motor |
| CN207550406U (en) * | 2017-12-11 | 2018-06-29 | 温岭市九洲电机制造有限公司 | A kind of spoke motor and bicycle quick |
-
2017
- 2017-12-11 CN CN201711310607.XA patent/CN107914818B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107914818A (en) | 2018-04-17 |
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Address after: 3 Wanjin Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Applicant after: Zhejiang Jiuzhou New Energy Technology Co.,Ltd. Address before: 317500 air compressor Park, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Applicant before: WENLING JIUZHOU ELECTROMECHANICAL Co.,Ltd. |
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