TWM517952U - Fastening structure of three-phase induction external rotation type motor rotor and flywheel housing for treadmill - Google Patents

Description

Fixed structure of three-phase induction external rotation motor rotor and flywheel housing for treadmill

The utility model relates to the technical field of a treadmill, in particular to a technically provided fixed structure of a three-phase induction external rotation motor rotor and a flywheel outer casing for a treadmill, which is provided with two ends of the outer rotor by a plurality of fixing elements. The two side covers and the at least one heat dissipating component on the inner side are fixed on the plurality of ring flanges on both sides of the outer rotor, and the inner diameter of the outer rotor is obliquely arranged, so that the outer rotor is easy to be screwed in each of the heat dissipation Between components, to simplify the process and reduce processing costs.

According to the conventional design, the conventional motor is an internal rotation type, and comprises: an inner rotor, the inner rotor is axially fixed with a plurality of steel sheets and axially fixed with an axial center, and the shaft ends are respectively sleeved An outer stator, the outer stator is fixed to an inner ring surface of the casing, and after the outer stator is sleeved with the inner rotor, an inertia flywheel and a belt pulley are fixed on the shaft center outside the casing. The belt pulley is coupled to the treadmill to output power, so that the track of the treadmill is rotated, thereby achieving the purpose of providing the user to run; however, the conventional structure is conventionally adopted, and the external stator is matched with the motor of the inner rotor, and the output end must be added. An inertia flywheel is installed to balance the rotational force of the output, and the winding is not easy and a large amount of copper wire is used, and the heat dissipation effect is also poor. In addition to the increase in cost and the improvement of the overall structural weight, the bottleneck of the traditional structural design is It has been plaguing the relevant personnel for a long time, and it is necessary to improve it.

Therefore, in view of the problems existing in the above-mentioned motors of treadmills, how to develop an innovative structure with more ideal and practicality is really eagerly awaited by consumers, and it is also the goal and direction of relevant industry players to make efforts to develop breakthroughs.

In order to solve the above problems, the main object of the present invention is to provide a fixed structure of a three-phase induction external rotation motor rotor and a flywheel housing for a treadmill, comprising: an inner stator, the inner stator coefficient 矽 steel sheet is formed by radial stacking And an outer core is protruded from the center of the axial end; and an outer rotor is a hollow cylinder and is provided with a plurality of perforations in the axial direction, and each of the perforations is respectively filled with a plurality of aluminum columns, each of the aluminum The column is convexly disposed at two axial ends of the outer rotor, and the aluminum columns at both ends are connected to each other to form a ring flange at both ends, and a plurality of oblique grooves are arranged axially in the inner diameter of the outer rotor, and the inclined grooves are respectively arranged Parallel to each other, and at an oblique angle to the axis of each of the oblique grooves, and an inner diameter of the outer rotor is sleeved on the outer peripheral wall of the inner stator; and the outer peripheral wall of the outer rotor is fixed to a flywheel The inner diameter of the outer casing is a hollow cylinder, and one side cover is respectively fixed at two axial ends, each side cover is provided with a plurality of holes, and a bearing is disposed at a center of each of the side covers facing the flywheel housing And threading both ends of the shaft through the inner diameter of each of the bearings, At least one heat dissipating component is fixed at one end of the outer rotor shaft and located between the side cover and the outer rotor; the inner stator is provided with a plurality of grooves in the axial outer diameter, and the grooves are parallel to each other and simultaneously parallel Forming a winding space on the inner wall of each of the two sides of the groove; a plurality of fixing elements, each of the fixing elements penetrating the side cover and the inner side of the heat dissipating component at both ends of the outer rotor, and then fixing Each of the ring flanges on both sides of the outer rotor; with the above structure, each of the fixing elements penetrates the side cover and each of the heat dissipating components After being fixed to each of the ring flanges, the inner diameter of the outer rotor is provided with each of the inclined grooves to achieve the purpose of simplifying the process of the inner stator and reducing the processing cost.

Each of the ring flanges protrudes from the plurality of protrusions, so that the fixing elements are matched and fixed to the respective protrusions.

The heat dissipating component is annular and has a plurality of radial fins protruding from the heat dissipating component. Each of the radial fins faces the side cover and closely abuts the side cover, and the heat dissipating component The outer diameter of the flywheel housing is closely matched with the outer casing of the flywheel, and the plurality of heat dissipation holes are respectively annularly connected to the outer peripheral wall of the outer rotor. The heat dissipation holes respectively correspond to the plurality of flow passages between the radial fins at one end of the outer rotor. .

The other end of the flywheel housing is annularly disposed on the outer peripheral wall, and the plurality of heat dissipation holes are correspondingly matched with the plurality of radial fins of the other end of the outer rotor.

The outer peripheral wall of the shaft in each of the side covers is provided with a passage that communicates with the axially open end of the shaft center.

Wherein, one of the side covers protrudes outwardly from the center of the center of the power output portion, and the power output portion is coupled to a crawler belt.

Wherein, the two ends of the shaft are respectively provided with a damper element, the damper element covers the axis and is respectively fixed in a positioning seat, each of the positioning seats is Ω-shaped and fixed on a treadmill internal.

Compared with the effect of the prior art: the outer rotor of the present invention is formed by the radial stacking of each of the silicon steel sheets, thereby eliminating the need to additionally process the inner stator, and the side covers and the heat dissipating members are easy to fix the outer rotor. Each of the ring flanges on both sides to achieve a simplified process and reduce processing The purpose of cost.

With regard to the techniques, means and functions of the present invention, a preferred embodiment will be described in detail with reference to the drawings and drawings, and the reviewer will be able to have a more detailed understanding of the novel and familiarize himself with the The present invention can be implemented by the following, and the following description is only for explaining the preferred embodiment and is not intended to limit the scope of the present invention, and any variation or modification of the present invention based on the structure of the present invention. , all belong to the scope of this new type of protection.

10 ‧ ‧ inner stator

11‧‧‧Axis

12‧‧‧ channel

13‧‧‧Vibration element

14‧‧‧ Positioning Block

15‧‧‧ trench

20‧‧‧Outer rotor

21‧‧‧矽Steel sheet

23‧‧‧Aluminum column

24‧‧‧ ring flange

25‧‧‧ oblique ditch

30‧‧‧Flywheel housing

31‧‧‧ side cover

32‧‧‧ holes

33‧‧‧ bearing

34‧‧‧ vents

40‧‧‧Heat components

41‧‧‧ Radial fins

42‧‧‧ flow path

50‧‧‧Fixed components

60‧‧‧ Tracks

61‧‧‧Treadmill

241‧‧‧Bump

311‧‧‧Power Output Department

Fig. 1 is a perspective view of the appearance of the present invention.

Figure 2 is an exploded perspective view of another embodiment of the present invention.

Fig. 3 is a perspective view of the novel.

Figure 4 is an axial, isometric, cross-sectional view of the rotor in accordance with another embodiment of the present invention.

Figure 5 is an axial cross-sectional view of the rotor in addition to another embodiment of the present invention.

Figure 6 is an axial cross-sectional view of the motor of another embodiment of the present invention.

Figure 7 is an axial cross-sectional view of the motor of the present invention.

Figure 8 is a perspective view of the motor of the present invention installed in a treadmill.

Referring to FIGS. 1-8, the present invention provides a fixed structure of a three-phase induction external rotation motor rotor and a flywheel housing for a treadmill, comprising: an inner stator 10, the inner stator 10 coefficient 矽 steel The sheet 21 is formed by a radial stack, and an axial center 11 is protruded from the center of the axial ends; and an outer rotor 20 is a hollow cylinder and is axially arranged in a circular shape. Holes (not shown) are respectively formed in the perforations to form a plurality of aluminum columns 23, each of which is protruded from the axial ends of the outer rotor 20, and the aluminum columns 23 at both ends are connected to each other at both ends. Each of the annular flanges 24 is formed, and a plurality of oblique grooves 25 are formed in the axial direction of the outer rotor 20, and the inclined grooves 25 are parallel to each other, and are axially offset from the axis 11 in each of the oblique grooves 25. An oblique angle (not shown), and an inner diameter of the outer rotor 20 is sleeved on the outer peripheral wall of the inner stator 10; further, an outer peripheral wall of the outer rotor 20 is fixed to an inner diameter of a flywheel housing 30, and the flywheel housing 30 is A hollow cover is disposed on each of the two ends of the hollow cover, and each of the side covers 31 is provided with a plurality of holes 32, and a bearing 33 is disposed at a center of each of the side covers 31 facing the flywheel housing 30, and then The shaft 11 is disposed at an inner diameter of each of the bearings 33, and at least one heat dissipating member 40 is fixed to one of the axial ends of the outer rotor 20 and located between the side cover 31 and the outer rotor 20; The inner stator 10 is provided with a plurality of grooves 15 in the axial outer diameter, and the grooves 15 are parallel to each other and parallel to the axis 11 at the same time, and a winding space is formed on the inner walls of both sides of the groove 15. (not shown); a plurality of fixing elements 50, each of which is disposed on each of the side covers 31 and the inner side of the outer rotor 20, and is fixed to the two sides of the outer rotor 20 The ring flange 24; the above-mentioned structure, each of the fixing elements 50 is disposed through each of the side covers 31 and the heat dissipating elements 40, and is fixed to each of the ring flanges 24, so that the inner diameter of the outer rotor 20 is set The inclined groove 25 is used for the purpose of simplifying the process of the inner stator 10 and reducing the processing cost.

Each of the ring flanges 24 protrudes from the plurality of protrusions 241 , so that the fixing elements 50 are matched and fixed to the protrusions 241 .

The heat dissipating component 40 is annular and has a plurality of radial fins 41 protruding from the heat dissipating component 40. The radial fins 41 face the side cover 31 and closely abut the side cover 31. At the same time, the outer diameter of the heat dissipating member 40 closely matches the flywheel housing 30, and the flywheel A plurality of heat dissipation holes 34 are annularly formed in the outer peripheral wall of the outer casing 30, and the heat dissipation holes 34 respectively correspond to the plurality of flow passages 42 between the radial fins 41 at one end of the outer rotor 20.

The other end of the flywheel housing 30 is annularly disposed on the outer peripheral wall. The plurality of heat dissipation holes 34 are correspondingly matched with the number of flow passages 42 between the number of radial fins 41 of the other heat dissipating component 40 at the other end of the outer rotor 20.

The outer peripheral wall of the shaft 11 in each of the side covers 31 is bored with a passage 12 that communicates with the axially open end of the shaft center 11.

One of the side covers 31 has a power output portion 311 protruding outward from the center of the circle, and the power output portion 311 is coupled to a crawler belt 60.

Each of the two ends of the shaft 11 is sleeved with a damper element 13 , and the damper element 13 covers the shaft 11 and is respectively fixed in a positioning seat 14 . Each of the positioning seats 14 has an omega shape and is fixed. It is located inside a treadmill 61.

Referring to FIG. 1 and FIG. 7 to FIG. 8 , when the present invention is actuated, controlling the conduction current to the outer rotor 20 generates a magnetic field corresponding to the inner stator 10, so that the outer rotor 20 is rotated by the magnetic field conversion. The outer diameter of the outer rotor 20 is fixed to the inner diameter of the flywheel housing 30, and the side covers 31 are respectively fixed on the axial sides of the flywheel housing 30, and the bearings are fixed at the center of each of the side covers 31. 33, and the inner diameter of each of the bearings 33 penetrates the axis 11 of the inner stator 10, whereby the outer rotor 20 and the flywheel housing 30 rotate, so that the power output portion 311 of one of the side covers 31 can Synchronous rotation and continuous output power; please refer to the first embodiment to the sixth embodiment, which is another embodiment of the present invention, characterized in that: the outer rotor 20 protrudes from each of the ring flanges 24 on each side of the protrusion 241, Thereby, each of the fixing elements 50 is matched and fixed to each of the protrusions 241 to strengthen the locking depth to strengthen the overall rigidity of the motor; It is particularly noted that each of the fixing members 50 of the present invention does not need to be inserted into the outer rotor 20, and only the side covers 31 at both ends are bored and fixed to the ring flanges 24 to facilitate the outer rotor 20 to perform the necessary The structural processing not only retains the rigidity of the original structure, but also achieves the purpose of simplifying the process of the inner stator 10 and reducing the processing cost.

In summary, the present invention has many of the above-mentioned efficiencies and practical values, and can effectively improve the overall economic benefits. Therefore, the present invention is indeed an innovative structure, and the same or similar products are not seen in the same field technology. For public use, it should meet the requirements of the new patent, and apply in accordance with the law, and please give this new patent.

10 ‧ ‧ inner stator

11‧‧‧Axis

13‧‧‧Vibration element

14‧‧‧ Positioning Block

20‧‧‧Outer rotor

25‧‧‧ oblique ditch

30‧‧‧Flywheel housing

31‧‧‧ side cover

34‧‧‧ vents

40‧‧‧Heat components

41‧‧‧ Radial fins

50‧‧‧Fixed components

241‧‧‧Bump

Claims (7)

A fixed structure of a three-phase induction external rotation motor rotor and a flywheel outer casing for a treadmill comprises: an inner stator, the inner stator coefficient silicon steel piece is formed by radial stacking, and an axial center is protruded at an axial center of both ends And an outer rotor, the outer rotor is a hollow cylinder and is provided with a plurality of perforations in the axial direction, and each of the perforations is respectively filled with a plurality of aluminum columns, and the aluminum columns are protruded from the axial ends of the outer rotor. And the aluminum columns at both ends are connected to each other to form a ring flange at each end, and a plurality of oblique grooves are arranged axially in the inner diameter of the outer rotor, and the inclined grooves are parallel to each other, and are axially adjacent to each of the inclined grooves. The shaft center has a skew angle, and the inner diameter of the outer rotor is sleeved on the inner peripheral wall of the inner stator; further, the outer peripheral wall of the outer rotor is fixed to the inner diameter of a flywheel housing, and the flywheel housing is a hollow cylinder and A side cover is respectively fixed at each end of the axial direction, and each of the side covers is provided with a plurality of holes, and a bearing is disposed at a center of each of the side covers facing the flywheel housing, and the two ends of the shaft are respectively disposed at the respective ends The inner diameter of the bearing, and at least one heat dissipating component is fixed to one end of the outer rotor shaft And located between the side cover and the outer rotor; the inner stator is provided with a plurality of grooves in the axial outer diameter, and the grooves are parallel to each other and simultaneously parallel to the axis, and inner walls on both sides of the groove Forming a winding space; a plurality of fixing elements, each of the fixing elements penetrating the side cover and the inner side of the outer end of the outer rotor, and then fixing the ring flanges on both sides of the outer rotor; a structure, each of the fixing elements is disposed on each of the side cover and each of the heat dissipating components, and is fixed to each of the ring flanges, so that the inner diameter of the outer rotor is provided with each of the inclined grooves to simplify the process of the inner stator and Reduce the cost of processing. The fixed structure of the three-phase induction external rotation motor rotor and the flywheel housing of the treadmill according to claim 1, wherein each of the ring flanges protrudes from the plurality of protrusions, so that the fixing elements are matched and fixed to each of the protrusions. column. A fixed junction of a three-phase induction external rotation motor rotor and a flywheel housing for a treadmill according to claim 1 The heat dissipating component is annular and has a plurality of radial fins protruding from the heat dissipating component, the radial fins facing the side cover and closely abutting the side cover, and the heat dissipating component The outer diameter of the flywheel housing is closely matched with the outer casing of the flywheel, and the plurality of heat dissipation holes are respectively annularly connected to the outer peripheral wall of the outer rotor, and the heat dissipation holes respectively correspond to the flow between the radial fins at one end of the outer rotor. Road. The fixed structure of the three-phase induction external rotation motor rotor and the flywheel housing of the treadmill according to claim 1, wherein the other end of the flywheel housing is annularly disposed on the outer peripheral wall and the plurality of heat dissipation holes are matched to match the other end of the outer rotor shaft. A number of flow paths between the number of radial fins of another heat dissipating component are added. The fixed structure of the three-phase induction external rotation motor rotor and the flywheel housing of the treadmill according to claim 1, wherein the outer peripheral wall of the shaft in each side cover is provided with a passage, and the passage is connected to the shaft center. Axial open end. The fixed structure of the three-phase induction external rotation motor rotor and the flywheel housing of the treadmill according to claim 1, wherein one of the side covers protrudes outwardly from the center of the center, and the power output unit is interlocked with track. The fixed structure of the three-phase induction external rotation motor rotor and the flywheel housing of the treadmill according to claim 1, wherein a damping element is disposed on each end of the shaft, and the damping element covers the shaft and They are respectively fixed in a positioning seat, and each of the positioning seats has an omega shape and is fixed inside a treadmill.