CN109663272A - A kind of treadbelt driving mechanism of treadmill - Google Patents
A kind of treadbelt driving mechanism of treadmill Download PDFInfo
- 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
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- China
- Prior art keywords
- treadbelt
- roller
- motor
- chassis
- treadmill
- 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
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 150000002910 rare earth metals Chemical class 0.000 description 6
- VQAPWLAUGBBGJI-UHFFFAOYSA-N [B].[Fe].[Rb] Chemical compound [B].[Fe].[Rb] VQAPWLAUGBBGJI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0235—Exercising 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/14—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
-
- 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
- H02K7/14—Structural 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
The invention discloses a kind of treadbelt driving mechanisms of treadmill, including chassis, run plate, drive roller, driven roller and annular treadbelt, the race plate is fixed on chassis, driving roller and driven roller are separately mounted on the chassis for running plate front and rear sides, chassis two sides are equipped with edge strip, annular treadbelt covers on driving roller and driven roller, plate is run to be located among annular treadbelt, the driving roller includes cylinder, outer rotor brushless motor is equipped in cylinder, the outer rotor brushless motor includes stator coil, rotor magnet piece and motor shaft, stator coil is mounted on motor shaft, rotor magnet piece is fixed on cylinder inboard wall, motor shaft both ends are equipped with bearing, the both ends of cylinder are equipped with drive end bearing bracket and rear end cap provided with fan blade type ventilation hole.Cost of the present invention reduces, and reduces production maintenance cost, improves the transmission efficiency of motor, extend the service life etc. of treadmill.
Description
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.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954857 | 2017-10-14 | ||
| CN2017109548570 | 2017-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109663272A true CN109663272A (en) | 2019-04-23 |
Family
ID=66141640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810083520.1A Pending CN109663272A (en) | 2017-10-14 | 2018-01-29 | A kind of treadbelt driving mechanism of treadmill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109663272A (en) |
Cited By (2)
| 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 | Roller motor and treadmill |
Citations (6)
| 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 |
-
2018
- 2018-01-29 CN CN201810083520.1A patent/CN109663272A/en active Pending
Patent Citations (6)
| 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 (2)
| 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 | Roller motor and treadmill |
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