CN109663272A - A kind of treadbelt driving mechanism of treadmill - Google Patents

A kind of treadbelt driving mechanism of treadmill Download PDF

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Publication number
CN109663272A
CN109663272A CN201810083520.1A CN201810083520A CN109663272A CN 109663272 A CN109663272 A CN 109663272A CN 201810083520 A CN201810083520 A CN 201810083520A CN 109663272 A CN109663272 A CN 109663272A
Authority
CN
China
Prior art keywords
treadbelt
motor
driving mechanism
treadmill
roller
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
CN201810083520.1A
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Chinese (zh)
Inventor
潘岩君
朱晓明
汪安生
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.)
Health Polytron Technologies Inc
Bokang Tech Co Ltd
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Health Polytron Technologies Inc
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Filing date
Publication date
Application filed by Health Polytron Technologies Inc filed Critical Health Polytron Technologies Inc
Publication of CN109663272A publication Critical patent/CN109663272A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A63B22/0235Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/14Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

本发明公开了一种跑步机的跑带驱动机构,包括底架、跑板、驱动滚筒、从动滚筒和环形跑带,所述跑板固定在底架上,驱动滚筒和从动滚筒分别安装在跑板前后两侧的底架上,底架两侧设有边条,环形跑带套在驱动滚筒和从动滚筒上,跑板位于环形跑带之中,所述驱动滚筒包括筒体,筒体内设有外转子无刷电机,所述外转子无刷电机包括定子线圈、转子磁铁片和电机轴,定子线圈安装在电机轴上,转子磁铁片固定在筒体内壁,电机轴两端安装有轴承,筒体的两端安装有设置了风叶式通风孔的前端盖和后端盖。本发明成本降低,减少生产维修成本,提高电机的传动效率,延长跑步机的使用寿命等。

The invention discloses a running belt driving mechanism of a treadmill. On the chassis on the front and rear sides of the running board, edge strips are arranged on both sides of the bottom chassis, the annular running belt is sleeved on the driving drum and the driven drum, the running board is located in the annular running belt, and the driving drum includes a cylinder body, The outer rotor brushless motor is arranged in the cylinder. The outer rotor brushless motor includes a stator coil, a rotor magnet sheet and a motor shaft. The stator coil is installed on the motor shaft, the rotor magnet sheet is fixed on the inner wall of the cylinder, and both ends of the motor shaft are installed. Bearings are provided, and both ends of the cylinder body are provided with a front end cover and a rear end cover provided with fan-blade ventilation holes. The invention reduces the cost, reduces the production and maintenance cost, improves the transmission efficiency of the motor, and prolongs the service life of the treadmill.

Description

A kind of treadbelt driving mechanism of treadmill
Technical field
The present invention relates to the treadbelt driving mechanisms of treadmill more particularly to a kind of treadmill.
Background technique
Currently, treadmill on the market mostly uses motor to be mounted on treadmill front end, motor rotation drives roller by belt Rotation installs because of motor and occupies the big quantity space in treadmill front end, and the space for causing other accessories to occupy is limited, and front-end protection cover adds Greatly, production and transportation increased costs.Simultaneously belt be elastomer, the under tension in transmission process and generate flexible deformation, skin It can cause the sliding between belt and belt wheel with flexible deformation, to cause speed loss, the transmission efficiency for reducing motor, increase Add the abrasion of belt, later period maintenance cost increases, while the service life of treadmill is reduced.Therefore it researches and develops a kind of using outer rotor Treadmill of the brushless motor as treadbelt driving mechanism, becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
The present invention provides a kind of treadbelt driving mechanism of treadmill to solve the above-mentioned deficiency of the prior art.
Above-mentioned purpose of the invention is realized by technical solution below: a kind of treadbelt driving mechanism of treadmill, packet Chassis is included, plate is run, roller, driven roller and annular treadbelt, the race plate is driven to be fixed on chassis, drives roller and driven rolling Cylinder is separately mounted on the chassis for running plate front and rear sides, and chassis two sides are equipped with edge strip, and annular treadbelt is covered in driving roller and driven It on roller, runs plate and is located among annular treadbelt, it is characterised in that: the driving roller includes cylinder, is equipped with outer rotor in cylinder Brushless motor, the outer rotor brushless motor include that stator coil, rotor magnet piece and motor shaft, stator coil are mounted on motor On axis, rotor magnet piece is fixed on cylinder inboard wall, and motor shaft both ends are equipped with bearing, and the both ends of the cylinder are equipped with drive end bearing bracket And rear end cap, drive end bearing bracket is identical with rear end cover structure, and fan blade type ventilation hole is equipped on the drive end bearing bracket, rear end cap, makes inside Cross-ventilation promotes internal heat dissipating effect.
Outer rotor brushless motor power in the driving roller is 559.5W(0.75HP), 746W(1.0HP), 935.5W (1.25HP), 1119W(1.5HP), 1492W(2.0HP), 2238W(3.0HP) or 2984W(4.0HP), meanwhile, motor outer diameter ruler It is very little adjustable, according to brushless electrical power size, drive number of motors in roller adjustable, driving can be same with multiple groups in roller Power small machine, it is also possible to which one group of heavy-duty motor drives roller.
The stator coil is at least one.
The stator slot of the outer rotor brushless motor uses the slot structure of 12-16, while both having facilitated production and processing again To good torque ripple, rectangular channel there are two opening among stator is cut, stationarity when rotation is facilitated, operated in outer rotor magnetic steel When, it acts on magnetic force thereon more evenly, plays the purpose for increasing number of stator slots, balance when reaching rotation, in order to reach more Accurately speed control.
The rotor magnet piece uses ordinary ferrite magnetic material, more cheap than rare earth rubidium iron boron, and performance is stablized.
The magnetic pole of the outer rotor brushless motor, to pole structure, improves the stability of motor operating using 4-6.
The stator coil of the outer rotor brushless motor acquires structure, the position of Hall using Hall built-in type closed-loop speed Positioned at stator slot center.
Compared with the prior art, the advantages of the invention are
1, present invention eliminates the shell of the fixed magnetic sheet of motor, cylinder replaces shell, and drum shaft is reduced as motor shaft, cost.
2, outer rotor brushless motor directly drives on belt and roller and motor needed for roller eliminates belt transmission Belt pulley reduces production maintenance cost.
3, motor directly skids caused by belt flexibility deformation when drums inside driving roller solves V belt translation, improves electricity The transmission efficiency of machine extends the service life of treadmill.
4, improved brushless motor is mounted in drums inside, saves the big quantity space in treadmill front end, and end spaces are saved before treadmill When, treadmill motor cover specification reduces, and reduces production and transport cost.
5, while improving motor drive efficiency, production and transportation cost is reduced.
6, external rotor electric machine can guarantee bigger torque in the case where saving roller compared to conventional motors, external magnet steel Rotation, keeps the diameter of rotor sufficiently large, is relatively conducive to slow-speed of revolution torque, and the performance of torsion can save heaviness applied to treadmill Flywheel, stator, it is fixed it is non-rotary be stator, traditional axis will rotate, and improved structure magnet steel, magnet is attached to rolling Cylinder inner wall is as magnetic steel rotor, and rotor rotates and the stator coil of inside does not rotate.
7, outer rotor brushless motor has commutator and carbon brush, later period dimension compared to brush motor, the low efficiency of brush motor Protect at high cost, rare earth material is at high cost, and there are high temperature loss of excitation and demagnetization phenomenon, outer rotor brushless motor efficiency is greatly improved.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of outer rotor brushless motor in the present invention.
Fig. 3 is the combining structure schematic diagram of stator coil and rotor magnet piece in the present invention.
Fig. 4 is the structural schematic diagram of rear end cap in the present invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment.
As shown in Figures 1 to 4, the treadbelt driving mechanism of a kind of treadmill, including chassis 1, run plate 2, driving roller 3, from Dynamic roller 4 and annular treadbelt 5, the race plate 2 are fixed on chassis 1, and roller 3 and driven roller 4 is driven to be separately mounted to run plate 2 On the chassis 1 of front and rear sides, 1 two sides of chassis are equipped with edge strip 6, and 5 sets of annular treadbelt on driving roller 3 and driven roller 4, are run plate 2 are located among annular treadbelt 5, and the driving roller 3 includes cylinder 3-1, and outer rotor brushless motor is equipped in cylinder 3-1, described Outer rotor brushless motor includes stator coil 3-2, rotor magnet piece 3-3 and motor shaft 3-4, and stator coil 3-2 is mounted on motor On axis 3-4, rotor magnet piece 3-3 is fixed on cylinder 3-1 inner wall, and the both ends motor shaft 3-4 are equipped with bearing 3-5, the cylinder 3-1 Both ends drive end bearing bracket 3-6 and rear end cap 3-7 are installed, drive end bearing bracket 3-6 is identical with rear end cap 3-7 structure, the drive end bearing bracket 3-6, It is equipped with fan blade type ventilation hole 3-8 on rear end cap 3-7, makes inner air convection current, promotes internal heat dissipating effect.
Outer rotor brushless motor power in the driving roller is 559.5W(0.75HP), 746W(1.0HP), 935.5W (1.25HP), 1119W(1.5HP), 1492W(2.0HP), 2238W(3.0HP) or 2984W(4.0HP), meanwhile, motor outer diameter ruler It is very little adjustable, according to brushless electrical power size, drive number of motors in roller adjustable, driving can be same with multiple groups in roller Power small machine, it is also possible to which one group of heavy-duty motor drives roller.
The stator coil 3-2 is at least one.
The stator slot 3-9 of the outer rotor brushless motor uses the slot structure of 12-16, while not only having facilitated production and processing but also Good torque ripple is obtained, rectangular channel there are two opening among stator is cut, facilitates stationarity when rotation, is transported in outer rotor magnetic steel When turning, magnetic force thereon is acted on more evenly, play the purpose for increasing number of stator slots, balance when reaching rotation, in order to reach More accurately speed control.
The rotor magnet piece 3-3 uses ordinary ferrite magnetic material, and more cheap than rare earth rubidium iron boron, performance is steady It is fixed.
The magnetic pole of the outer rotor brushless motor, to pole structure, improves the stability of motor operating using 4-6.
The stator coil 3-2 of the outer rotor brushless motor acquires structure, Hall 3- using Hall built-in type closed-loop speed 10 position is located at stator slot center.
Present invention has the advantage that
1, present invention eliminates the shell of motor fixed magnet, drum shaft replaces motor shaft, eliminates motor shaft production.It is outer to turn Brushless motor directly drives roller rotation, and eliminates the belt pulley on belt transmission required belt and roller and motor, Reduce production maintenance cost.It skids caused by belt flexibility deformation when motor direct-drive roller solves V belt translation simultaneously, The transmission efficiency for improving motor, extends the service life of treadmill.Improved brushless motor is mounted in roller, before saving treadmill Hold a large amount of space.
2, the present invention reduce the specification of treadmill motor cover can also, greatly reduce production and transportation cost.This hair While bright raising motor drive efficiency, production and transportation cost is reduced.
3, compared to the brush motor that market uses, brush motor low efficiency has the outer brushless motor that turns that the present invention uses Commutator and carbon brush, later maintenance cost is high, and rare earth material is at high cost, and there is also high temperature losss of excitation and demagnetization phenomenon, turns outside brushless Electric efficiency greatly improves, the ordinary ferrite magnetic material that magnetic sheet uses, more cheap than rare earth rubidium iron boron, and performance is stablized.
4, outer rotor brushless motor includes rotor magnet piece and stator coil, motor shaft (drum shaft is as motor shaft), suddenly You can guarantee bigger starting torque in the case where eliminating roller compared with conventional motors.The rotation of external magnet steel, makes rotor Diameter is sufficiently large, is relatively conducive to slow-speed of revolution torque, the performance of torsion.Applied to can save bulky minute wheel on treadmill, stator, Fixing non-rotary is stator, and traditional bearing will rotate, and improved structure magnet steel, magnet is attached to inner wall of rotary drum conduct Magnetic steel rotor, rotor rotation, and internal stator coil does not rotate.
5, the slot structure of stator slot 12-16, good torque ripple of getting back while both having facilitated production and processing, and stator Centre is opened there are two rectangular channel, and stationarity when rotation is facilitated, and in the operating of outer rotor magnetic steel, the magnetic force acted on thereon is more equal It is even, the purpose for increasing number of stator slots is played, to reach balance when rotation, in order to reach more accurately speed control, is used Hall built-in type closed-loop speed acquires structure, and the position of Hall is located at stator slot center.Magnetic sheet uses ordinary ferrite magnetism material Material, it is more cheap than rare earth rubidium iron boron, and performance is stablized, magnetic pole, to pole structure, is operated steady using 4-6 so as to improve motor It is qualitative.In order to improve the heat dissipation performance of outer rotor brushless motor, fan blade type fan structure is integrated in the front and back end of Rolling motor, Improve its cross-ventilation and internal heat dissipating.Special fabrication design has been done in dynamic balancing, is designed special arc, is substantially improved Production efficiency and motor performance.And in terms of external rotor brushless electronic control, using electronics commutation, i.e. metal oxide is partly led The automatic commutation of body field effect transistor (MOSFET) switching tube, inside use FOC vector control algorithm, greatly improve motor operation Efficiency and rotation when pulsation.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally Patent, be not to be construed as include to this patent range limitation;As long as appointing made by the spirit according to disclosed in this patent How with change or modification, the range that this patent includes is each fallen within.

Claims (7)

1. a kind of treadbelt driving mechanism of treadmill, including chassis, race plate, driving roller, driven roller and annular treadbelt, described It runs plate to be fixed on chassis, drives roller and driven roller to be separately mounted on the chassis for running plate front and rear sides, chassis two sides are set There is edge strip, annular treadbelt covers on driving roller and driven roller, runs plate and is located among annular treadbelt, it is characterised in that: is described Driving roller includes cylinder, is equipped with outer rotor brushless motor in cylinder, the outer rotor brushless motor includes stator coil, rotor Flat thin magnet and motor shaft, stator coil are mounted on motor shaft, and rotor magnet piece is fixed on cylinder inboard wall, the installation of motor shaft both ends There is bearing, the both ends of the cylinder are equipped with drive end bearing bracket and rear end cap, and drive end bearing bracket is identical with rear end cover structure, the drive end bearing bracket, Fan blade type ventilation hole is equipped on rear end cap.
2. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: in the driving roller Outer rotor brushless motor power be 559.5W(0.75HP), 746W(1.0HP), 935.5W (1.25HP), 1119W(1.5HP), 1492W(2.0HP), 2238W(3.0HP) or 2984W(4.0HP).
3. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: the stator coil is at least It is one.
4. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: the external rotor brushless electricity The stator slot of machine uses the slot structure of 12-16.
5. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: the rotor magnet piece is adopted With ordinary ferrite magnetic material.
6. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: the external rotor brushless electricity The magnetic pole of machine is using 4-6 to pole structure.
7. a kind of treadbelt driving mechanism of treadmill according to claim 1, it is characterised in that: the external rotor brushless electricity The stator coil of machine acquires structure using Hall built-in type closed-loop speed, and the position of Hall is located at stator slot center.
CN201810083520.1A 2017-10-14 2018-01-29 A kind of treadbelt driving mechanism of treadmill Pending CN109663272A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2017109548570 2017-10-14
CN201710954857 2017-10-14

Publications (1)

Publication Number Publication Date
CN109663272A true CN109663272A (en) 2019-04-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602121A (en) * 2020-12-04 2022-06-10 北京金史密斯科技股份有限公司 Self-driven roller assembly, running machine and walking machine
CN115149730A (en) * 2021-03-31 2022-10-04 广州视源电子科技股份有限公司 A roller motor and a treadmill
CN116603209A (en) * 2023-05-09 2023-08-18 协创数据技术股份有限公司 Automatic correction running device for large healthy dynamic balance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152860A (en) * 1999-03-03 2000-11-28 Wang; Leao Motor for electric jogging device
US20020107113A1 (en) * 2001-02-07 2002-08-08 A.O. Smith Corporation Treadmill including a motor having an outer rotor
US20050113216A1 (en) * 2003-10-07 2005-05-26 Wei Cheng Belt drive system with outer rotor motor
TWM367727U (en) * 2009-06-24 2009-11-01 Yihsuan Entpr Co Ltd Roller structure of treadmill and treadmill
CN104707296A (en) * 2015-02-12 2015-06-17 浙江风尚科技有限公司 Low-energy-consumption efficient treadmill
CN207838130U (en) * 2017-10-14 2018-09-11 泊康科技股份有限公司 A kind of treadbelt driving mechanism of treadmill

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152860A (en) * 1999-03-03 2000-11-28 Wang; Leao Motor for electric jogging device
US20020107113A1 (en) * 2001-02-07 2002-08-08 A.O. Smith Corporation Treadmill including a motor having an outer rotor
US20050113216A1 (en) * 2003-10-07 2005-05-26 Wei Cheng Belt drive system with outer rotor motor
TWM367727U (en) * 2009-06-24 2009-11-01 Yihsuan Entpr Co Ltd Roller structure of treadmill and treadmill
CN104707296A (en) * 2015-02-12 2015-06-17 浙江风尚科技有限公司 Low-energy-consumption efficient treadmill
CN207838130U (en) * 2017-10-14 2018-09-11 泊康科技股份有限公司 A kind of treadbelt driving mechanism of treadmill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602121A (en) * 2020-12-04 2022-06-10 北京金史密斯科技股份有限公司 Self-driven roller assembly, running machine and walking machine
CN115149730A (en) * 2021-03-31 2022-10-04 广州视源电子科技股份有限公司 A roller motor and a treadmill
CN116603209A (en) * 2023-05-09 2023-08-18 协创数据技术股份有限公司 Automatic correction running device for large healthy dynamic balance
CN116603209B (en) * 2023-05-09 2025-08-15 协创数据技术股份有限公司 Automatic correction running device for large healthy dynamic balance

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Application publication date: 20190423

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