CN207838130U - A kind of treadbelt driving mechanism of treadmill - Google Patents
A kind of treadbelt driving mechanism of treadmill Download PDFInfo
- Publication number
- CN207838130U CN207838130U CN201820146428.0U CN201820146428U CN207838130U CN 207838130 U CN207838130 U CN 207838130U CN 201820146428 U CN201820146428 U CN 201820146428U CN 207838130 U CN207838130 U CN 207838130U
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- CN
- China
- Prior art keywords
- treadbelt
- motor
- chassis
- treadmill
- driving drum
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of treadbelt driving mechanisms of treadmill, including chassis, run plate, driving drum, driven roller and annular treadbelt, the race plate is fixed on chassis, driving drum and driven roller are separately mounted on the chassis for running plate front and rear sides, chassis both sides are equipped with edge strip, annular treadbelt is sleeved in driving drum and driven roller, plate is run to be located among annular treadbelt, the driving drum 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.The utility model cost reduction reduces production maintenance cost, improves the transmission efficiency of motor, extend the service life etc. of treadmill.
Description
Technical field
The utility model is related to the treadbelt driving mechanisms of treadmill more particularly to a kind of treadmill.
Background technology
Currently, treadmill on the market, which mostly uses motor, is 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, causes the space that other accessories occupy limited, front-end protection cover adds
Greatly, production and transportation cost increases.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
The abrasion of belt, later period maintenance cost is added to increase, while the service life of treadmill is reduced.Therefore research and develop it is a kind of utilize outer rotor
Treadmill of the brushless motor as treadbelt driving mechanism, becomes those skilled in the art's urgent problem to be solved.
Utility model content
The utility model provides a kind of treadbelt driving mechanism of treadmill to solve the above-mentioned deficiency of the prior art.
The above-mentioned purpose of the utility model is realized by technical solution below：A kind of treadbelt driving machine of treadmill
Structure, including chassis, run plate, driving drum, driven roller and annular treadbelt, the races plate and be fixed on chassis, driving drum with
Driven roller is separately mounted on the chassis for running plate front and rear sides, and chassis both sides are equipped with edge strip, and annular treadbelt is sleeved on driving drum
On driven roller, runs plate and is located among annular treadbelt, it is characterised in that：The driving drum includes cylinder, is equipped in cylinder
Outer rotor brushless motor, the outer rotor brushless motor include stator coil, rotor magnet piece and motor shaft, stator coil installation
On motor shaft, 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,
Make inner air convection current, promotes internal heat dissipating effect.
Outer rotor brushless motor power in the driving drum 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
Very little to adjust, according to brushless electrical power size, number of motors is adjustable in driving drum, can be used in driving drum it is multigroup together
Power small machine, it is also possible to which one group of heavy-duty motor carrys out driving drum.
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 being opened among stator is cut, stationarity when rotation is facilitated, operated in outer rotor magnetic steel
When, it acts on magnetic force thereon 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.
The utility model compared with prior art the advantages of be：
1, the utility model eliminates the shell that motor fixes magnetic sheet, and cylinder replaces shell, drum shaft as motor shaft, at
This reduction.
2, outer rotor brushless motor directly drives on belt and the roller and motor that roller eliminates needed for belt transmission
Belt pulley reduces production maintenance cost.
3, motor directly skids when drums inside driving drum solves V belt translation caused by belt flexibility deformation, 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 the torque of bigger in the case of 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, for outer rotor brushless motor compared to brush motor, the efficiency of brush motor is low, there is commutator and carbon brush, later stage dimension
Protect of high cost, rare earth material is of high cost, and there are high temperature loss of excitation and demagnetization phenomenon, outer rotor brushless motor efficiency greatly improves.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of outer rotor brushless motor in the utility model.
Fig. 3 is the combining structure schematic diagram of stator coil and rotor magnet piece in the utility model.
Fig. 4 is the structural schematic diagram of rear end cap in the utility model.
Specific implementation mode
The utility model is described in further detail 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 drum 3, from
Dynamic roller 4 and annular treadbelt 5, the race plate 2 are fixed on chassis 1, and driving drum 3 and driven roller 4 are separately mounted to run plate 2
On the chassis 1 of front and rear sides, 1 both sides of chassis are equipped with edge strip 6, and annular treadbelt 5 is sleeved in driving drum 3 and driven roller 4, run plate
2 are located among annular treadbelt 5, and the driving drum 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 walls, 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 structures, 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 drum 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
Very little to adjust, according to brushless electrical power size, number of motors is adjustable in driving drum, can be used in driving drum it is multigroup together
Power small machine, it is also possible to which one group of heavy-duty motor carrys out driving drum.
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 being opened among stator is cut, facilitates stationarity when rotation, is transported in outer rotor magnetic steel
When turning, magnetic force thereon is acted on 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.
The utility model has the advantage that：
1, the utility model eliminates the shell that motor fixes magnet, and drum shaft replaces motor shaft, eliminates motor shaft
Production.The outer brushless motor that turns directly drives roller rotation, and eliminates on the belt needed for belt transmission and roller and motor
Belt pulley, reduce production maintenance cost.Belt flexibility deformation is drawn when motor direct-drive roller solves V belt translation simultaneously
The skidding risen, improves the transmission efficiency of motor, extends the service life of treadmill.Improved brushless motor is mounted in roller, section
The a large amount of space in treadmill front end is saved.
2, the utility model makes the specification of treadmill motor cover that can also reduce, and greatly reduces production and transportation cost.
While the utility model improves motor drive efficiency, production and transportation cost is reduced.
3, the outer brushless motor that turns that the utility model uses is compared to the brush motor that market uses, brush motor efficiency
It is low, there are commutator and carbon brush, later maintenance cost is high, and rare earth material is of high cost, outer to turn there is also high temperature loss of excitation and demagnetization phenomenon
Brushless motor efficiency greatly improves, and the ordinary ferrite magnetic material that magnetic sheet uses, more cheap than rare earth rubidium iron boron, performance is steady
It is fixed.
4, outer rotor brushless motor includes rotor magnet piece and stator coil, motor shaft（Drum shaft is as motor shaft）, suddenly
You can guarantee the starting torque of bigger in the case of 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,
It is stator to fix non-rotary, 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, facilitates stationarity when rotation, when outer rotor magnetic steel operates, 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
Body field-effect transistor（MOSFET）The automatic commutation of switching tube, inside use FOC vector control algorithms, greatly improve motor operation
Efficiency and pulsation when rotation.
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 according to made by spirit 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 drum, driven roller and annular treadbelt, described
It runs plate to be fixed on chassis, driving drum and driven roller are separately mounted on the chassis for running plate front and rear sides, and chassis both sides are set
There are edge strip, annular treadbelt to be sleeved in driving drum and driven roller, run plate and be located among annular treadbelt, it is characterised in that：It is described
Driving drum 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 are bearing, the both ends of the cylinder that drive end bearing bracket and rear end cap are installed, 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 drum
Outer rotor brushless motor power 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）.
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 |
|---|---|---|---|
| CN2017213213838 | 2017-10-14 | ||
| CN201721321383 | 2017-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207838130U true CN207838130U (en) | 2018-09-11 |
Family
ID=63413207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820146428.0U Expired - Fee Related CN207838130U (en) | 2017-10-14 | 2018-01-29 | A kind of treadbelt driving mechanism of treadmill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207838130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109288648A (en) * | 2018-10-15 | 2019-02-01 | 广东诺奖健康科技有限公司 | A kind of reciprocating same frequency recovery couch of multiple-pass |
| WO2021210822A1 (en) * | 2020-04-16 | 2021-10-21 | 김윤철 | Direct drive device of walking belt using outer rotor-type pmac motor for treadmill |
-
2018
- 2018-01-29 CN CN201820146428.0U patent/CN207838130U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109288648A (en) * | 2018-10-15 | 2019-02-01 | 广东诺奖健康科技有限公司 | A kind of reciprocating same frequency recovery couch of multiple-pass |
| WO2021210822A1 (en) * | 2020-04-16 | 2021-10-21 | 김윤철 | Direct drive device of walking belt using outer rotor-type pmac motor for treadmill |
| KR20210128222A (en) * | 2020-04-16 | 2021-10-26 | 김윤철 | Wolking belt direct driving apparatus using outer rotor pmac motor |
| KR102331670B1 (en) * | 2020-04-16 | 2021-11-29 | 김윤철 | Wolking belt direct driving apparatus using outer rotor pmac motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20220129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |