CN208046417U - A kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill - Google Patents
A kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill Download PDFInfo
- Publication number
- CN208046417U CN208046417U CN201820492306.7U CN201820492306U CN208046417U CN 208046417 U CN208046417 U CN 208046417U CN 201820492306 U CN201820492306 U CN 201820492306U CN 208046417 U CN208046417 U CN 208046417U
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- CN
- China
- Prior art keywords
- outer rotor
- rotor
- end cap
- treadmill
- fixedly connected
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- 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.)
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Abstract
The utility model discloses a kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structures of treadmill, including driving end end cap and non-drive end shield, the middle inside of the driving end end cap and non-drive end shield has been fixedly connected with bearing, the inner ring of the bearing is fixedly connected with inner stator, the both ends of the inner stator have been fixedly connected with axle bed, and the side for driving end end cap and non-drive end shield is fixedly connected with outer rotor.The treadmill can improve the heat dissipation effect of motor with inorganic shell-type outer rotor three-phase asynchronous motor radiator structure;By the way that vents design in two end cap, to be eliminated to motor case, that is, ensure that structural strength again reduces motor weight, to achieve the purpose that reduce amount of parts and specification, reduce pts wt, simplified assembling process process, reduction motor cost.
Description
Technical field
The utility model is related to treadmill technical field, specially a kind of treadmill is phase asynchronous with inorganic shell-type outer rotor
Motor heat dissipation structure.
Background technology
Traditional treadmill threephase asynchronous is all casing, external stator, inner-rotor-type design, and radiator structure uses
Conventional open asynchronous motor radiator structure, i.e., static electric motor end cap and casing open up ventilation hole, inside motor or
Independent radiator fan is placed in outside, drives air by the effect of radiator fan, is cooled down to motor.New-type treadmill is with three
Phase asynchronous motor makes inorganic shell-type outer-rotor structure into, can make full use of integrally-built Variation Features to aeration structure into
Row Optimal improvements.
In treadmill, with outer rotor three-phase asynchronous motor field, there are some design structures at present, but there are still bright
Aobvious disadvantage, such as the utility model patent of Authorization Notice No. CN205105022U, a kind of treadmill three-phase induction curve outward type motor
Radiator, including:One inner stator, an outer rotor, a center, two side covers and an at least radiating subassembly, the respectively radiating subassembly
For annular slice and to the respectively radial fin of side cover projection number, while respectively the outer diameter of the radiating subassembly is fitted close the center,
In addition the center opens up several heat emission holes in axial one end periphery wall ring-type, and respectively the heat emission hole distinguishes Corresponding matching in wherein one end for order
Respectively number runner between the radial fin;And the inner stator axially wears several radiating channels, respectively the radiating channel is each other
It is parallel and annularly arranged centered on the axle center, at least one individual heat dissipation element, the machine of this structure are equipped in the patent
Shell needs independent mold to make with heat dissipation element, increases die cost, expends motor assembly work, increases product cost, increases
Add part category and quantity, it is complicated, also, individually there is between heat dissipation element and rotor larger thermal resistance, it is unfavorable for
The heat dissipation of rotor.
Utility model content
The purpose of this utility model is to provide a kind of inorganic shell-type outer rotor three-phase asynchronous motors of treadmill to radiate
Structure, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:A kind of inorganic shell-type outer rotor of treadmill
Threephase asynchronous radiator structure, including driving end end cap and non-drive end shield, the driving end end cap and anti-drive end
The middle inside of end cap has been fixedly connected with bearing, and the inner ring of the bearing is fixedly connected with inner stator, and the two of the inner stator
End has been fixedly connected with axle bed, and the side for driving end end cap and non-drive end shield is fixedly connected with outer rotor.
Preferably, the inner stator is made of dead axle, stator winding and stator core, and the side of the stator core is set
There are multiple axial grooves.
Preferably, the outer rotor is made of rotor core and rotor cage, and the surface of the rotor cage, which is fixed, to be connected
Rotor core is connect, two end side surfaces of the rotor cage are equipped with radiating fin fan, and the rotor cage and radiating fin fan are by pouring
Build integrated molding.
Preferably, the side of the driving end end cap and non-drive end shield is equipped with ventilation hole, the anti-drive end end
The inner surface of lid is equipped with radial radiation shape radiating ribs.
Compared with prior art, the utility model has the beneficial effects that:The treadmill is different with inorganic shell-type outer rotor three
Step motor heat dissipation structure pours integrated molding design by rotor cage and radiating fin fan so that rotor cage and radiating fin fan
Between can conduct heat rapidly, and radiating fin fan effectively increases the heat dissipation area at rotor cage both ends, improves heat dissipation effect, cancels
Individual heat dissipation element, while by the rotation of radial radiation shape radiating ribs, the air circulation inside motor can be accelerated, into
One step improves the heat dissipation effect of motor;By the way that vents design in two end cap, to be eliminated to motor case, that is, ensure to finish
Structure intensity reduces motor weight again, and amount of parts and specification, reduction pts wt, simplified assembling process are reduced to reach
Process, the purpose for reducing motor cost.
Description of the drawings
Fig. 1 is the overall structure sectional view and air flow schematic diagram of the utility model;
Fig. 2 is the inner stator structure chart of the utility model;
Fig. 3 is the outer-rotor structure figure of the utility model;
Fig. 4 is the non-drive end shield structure chart of the utility model;
Fig. 5 is the driving end end cover structure figure of the utility model.
In figure:1 driving end end cap, 2 bearings, 3 inner stators, 4 outer rotors, 5 non-drive end shields, 6 axle beds, 8 rotor cores,
9 rotor cages, 10 dead axles, 11 stator winding, 12 stator cores, a axial grooves, b radiating fins fan, c ventilation holes, d are radial
Radial radiating ribs.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of inorganic shell-type outer rotor three-phase of treadmill
Asynchronous motor radiator structure, including driving end end cap 1 and non-drive end shield 5, drive end end cap 1 and non-drive end shield 5
Middle inside be fixedly connected with bearing 2, the inner ring of bearing 2 is fixedly connected with inner stator 3, and the both ends of inner stator 3 are fixed
It is connected with axle bed 6, inner stator 3 is made of dead axle 10, stator winding 11 and stator core 12, and the side of stator core 12 is equipped with
Multiple axial groove a, drive the side of end end cap 1 and non-drive end shield 5 to be fixedly connected with outer rotor 4, and outer rotor 4 is by turning
Sub- iron core 8 and rotor cage 9 form, and the surface of rotor cage 9 is fixedly connected with rotor core 8, and two end side surfaces of rotor cage 9 are equal
B is fanned equipped with radiating fin, rotor cage 9 and radiating fin fan b are integrally formed by pouring, and are fanned b by rotor cage 9 and radiating fin and are poured
Build integrated molding design so that can conduct heat rapidly between rotor cage 9 and radiating fin fan b, and radiating fin fan b is effectively increased
The heat dissipation area at 9 both ends of rotor cage improves heat dissipation effect, eliminates individual heat dissipation element, drives end end cap 1 and non-driven
The side of end end cap 5 is equipped with ventilation hole c, and the inner surface of non-drive end shield 5 is equipped with radial radiation shape radiating ribs d.
The utility model is in the specific implementation:When inner stator 3 is powered, the outer rotor 4 is set to rotate, outer rotor 4 is with turn
Sub- mouse cage 9 rotates, and rotor cage 9 drives radiating fin fan b rotations so that and radiating fin fans b and stirs hot inside air with centrifugal force, from
And can achieve the purpose that heat dissipation by hot-air by ventilation hole c discharges, meanwhile, outer rotor 4 drives 5 turns of non-drive end shield
Dynamic, non-drive end shield 5 drives the d rotations of radial radiation shape radiating ribs, and radial radiation shape radiating ribs d driving extraneous airs are by logical
Air holes c enters the inside of motor so that and extraneous air drives ventilation hole c blowout of the hot-air by axial groove a from the other end,
The inside of motor is cooled down, air circulation cooling efficiency can be further increased, effectively reduces the temperature of motor, same to time delay
The service life of long inner body and motor, by two end cap, eliminating motor case, that is, ensureing to finish ventilation hole c designs
Structure intensity reduces motor weight again, and amount of parts and specification, reduction pts wt, simplified assembling process are reduced to reach
Process, the purpose for reducing motor cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill, including driving end end cap(1)With it is non-
Drive end end cap(5), it is characterised in that:Driving end end cap(1)And non-drive end shield(5)Middle inside fixed connect
It is connected to bearing(2), the bearing(2)Inner ring be fixedly connected with inner stator(3), the inner stator(3)Both ends fixed connect
It is connected to axle bed(6), driving end end cap(1)And non-drive end shield(5)Side be fixedly connected with outer rotor(4).
2. a kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill according to claim 1,
It is characterized in that:The inner stator(3)It is by dead axle(10), stator winding(11)And stator core(12)Composition, the stator iron
Core(12)Side be equipped with multiple axial grooves(a).
3. a kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill according to claim 1,
It is characterized in that:The outer rotor(4)It is by rotor core(8)And rotor cage(9)Composition, the rotor cage(9)Surface
It is fixedly connected with rotor core(8), the rotor cage(9)Two end side surfaces be equipped with radiating fin fan(b), the rotor cage
(9)It is fanned with radiating fin(b)It is to be integrally formed by pouring.
4. a kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill according to claim 1,
It is characterized in that:Driving end end cap(1)And non-drive end shield(5)Side be equipped with ventilation hole(c), the anti-drive end
End cap(5)Inner surface be equipped with radial radiation shape radiating ribs(d).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820492306.7U CN208046417U (en) | 2018-04-09 | 2018-04-09 | A kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820492306.7U CN208046417U (en) | 2018-04-09 | 2018-04-09 | A kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill |
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Publication Number | Publication Date |
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CN208046417U true CN208046417U (en) | 2018-11-02 |
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CN201820492306.7U Expired - Fee Related CN208046417U (en) | 2018-04-09 | 2018-04-09 | A kind of inorganic shell-type outer rotor three-phase asynchronous motor radiator structure of treadmill |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111404312A (en) * | 2020-05-06 | 2020-07-10 | 佛山科学技术学院 | Brushless DC motor for integrated household electrical appliance |
CN113964988A (en) * | 2021-10-26 | 2022-01-21 | 山东博源精密机械有限公司 | New energy automobile high heat dissipation cast aluminum rotor |
-
2018
- 2018-04-09 CN CN201820492306.7U patent/CN208046417U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111404312A (en) * | 2020-05-06 | 2020-07-10 | 佛山科学技术学院 | Brushless DC motor for integrated household electrical appliance |
CN113964988A (en) * | 2021-10-26 | 2022-01-21 | 山东博源精密机械有限公司 | New energy automobile high heat dissipation cast aluminum rotor |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20210409 |