Motor for riding platform

Abstract

The utility model discloses a motor used for a riding platform, comprising a housing, a stator assembly and a rotor assembly, the rotor assembly comprises a rotating shaft, the end portion of the rotating shaft penetrates out of the housing, the rotating shaft is used for arranging a flywheel of the riding platform, the housing comprises a side surface A, the rotating shaft A penetrates through the side surface A, the rotating shaft is provided with a limiting portion, the limiting portion is provided with an end portion B, and the axial direction of the rotating shaft is taken as a projection line. A distance is formed between the end part B projected to the projection line and the side surface A, and the end part B is used for abutting against the flywheel sleeving the rotating shaft, so that the flywheel is effectively prevented from being attached to the shell, and the condition that the flywheel is abraded due to friction with the shell is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a motor used for a cycling platform. Background Art

[0002] Cycling platform, also known as indoor training platform or exercise bike, is a device that simulates the outdoor cycling experience and is used for indoor cycling training. Cycling platform is usually composed of platform, resistance system, motor, flywheel and other components.

[0003] In the prior art, a flywheel is disposed on the rotating shaft of a motor and is driven to rotate by the rotating shaft. However, since the position of the flywheel on the rotating shaft is not clearly controlled, if the flywheel fits too closely to the motor housing after assembly, the friction between the flywheel and the housing will severely wear the flywheel, making it unusable. Therefore, the utility model proposes a motor for a cycling platform. Utility Model Content

[0004] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provides a motor for a cycling platform, wherein a limiting portion is arranged on the rotating shaft to prevent the flywheel from fitting the housing.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A motor for a cycling platform comprises a housing, a stator assembly and a rotor assembly. The rotor assembly comprises a rotating shaft, an end of which passes through the housing. The rotating shaft is used to set a flywheel of the cycling platform. The housing comprises a side A. The rotating shaft A passes through the side A. A limiting portion is provided on the rotating shaft. The limiting portion is provided with an end B. The axial direction of the rotating shaft is used as a projection line. The end B projected onto the projection line is separated from the side A. The end B is used to resist a flywheel sleeved on the rotating shaft so that the flywheel does not fit the housing.

[0007] Furthermore, the limiting portion adopts a sleeve, and the sleeve is arranged on the outside of the rotating shaft.

[0008] Furthermore, the stator assembly includes a stator core formed by stacking a plurality of silicon steel sheets, a first fixing member, a second fixing member and a third fixing member, the first fixing member and the second fixing member are arranged on both sides of the stator core along the stacking direction of the silicon steel sheets, and the third fixing member is connected between the first fixing member and the second fixing member, so that the stacked silicon steel sheets are clamped by the first fixing member and the second fixing member.

[0009] Furthermore, the stator core is provided with a through slot, the through slot is provided with a first opening, the first opening is used to place the rotor assembly in the through slot, and the third fixing member is a cover plate, which is arranged on the first opening to close the first opening.

[0010] Furthermore, the cover plate is provided with a ventilation opening, the ventilation opening is connected to the through groove, and the ventilation opening is used for heat dissipation.

[0011] Furthermore, the cover plate is provided with a connecting piece, and the connecting piece is used to connect the third fixing piece and the external device.

[0012] Furthermore, the connecting member adopts a boss and a bolt, a height difference is formed between the surface of the boss and the surface of the cover plate, a connecting hole is arranged on the boss, and the bolt passes through the external device and is fixed in the connecting hole.

[0013] Furthermore, the housing is provided with a first gear, the rotating shaft sleeve is provided with a second gear, and the first gear is meshedly connected to the second gear, so that the rotating shaft drives the housing to rotate.

[0014] Furthermore, the housing is provided with a first limiting groove, and the first limiting groove is provided with a first gear, so that the second gear is limited in the first limiting groove.

[0015] Furthermore, the shell is provided with a second limiting groove, a bearing is provided in the second limiting groove, the rotating shaft is inserted into the bearing, and the bearing is used to promote the rotation of the rotating shaft.

[0016] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0017] The utility model comprises a shell, a stator assembly and a rotor assembly. The rotor assembly comprises a rotating shaft, an end of the rotating shaft passes through the shell, the rotating shaft is used to set a flywheel, the shell comprises a side A, the rotating shaft A passes through the side A, a limiting portion is provided on the rotating shaft, the limiting portion is provided with an end B, the axial direction of the rotating shaft is taken as a projection line, and there is a spacing between the end B projected onto the projection line and the side A, and the end B is used to resist the flywheel sleeved on the rotating shaft, so as to effectively avoid the flywheel from fitting the shell and reduce the wear of the flywheel due to friction with the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model (I);

[0020] Figure 2 It is a side view of the utility model;

[0021] Figure 3 for Figure 2 Sectional view at CC;

[0022] Figure 4 It is a separation diagram of the utility model;

[0023] Figure 5 for Figure 1 The enlarged view of point a in the middle;

[0024] Figure 6 for Figure 2 The enlarged image of point b in the middle;

[0025] Figure 7 It is a front view of the utility model.

[0026] In the figure, 1-housing; 2-rotating shaft; 3-limiting part; 4-first limiting groove; 5-bearing; 6-first fixing member; 7-second fixing member; 8-third fixing member; 9-through groove; 10-boss; 11-air vent; 12-connecting hole; 13-stator core; 14-coil; 15-first gear; 16-second limiting groove. DETAILED DESCRIPTION

[0027] like Figures 1 to 7 As shown, a motor for a riding platform of the utility model includes a housing 1, a stator assembly and a rotor assembly. The rotor assembly includes a shaft 2. The end of the shaft 2 passes through the housing 1. The shaft 2 is used to set the flywheel of the riding platform. The housing 1 includes a side A. The shaft 2A passes through the side A. A limiter 3 is provided on the shaft 2. The limiter 3 is a sleeve. The sleeve is provided on the outside of the shaft 2. The sleeve is provided with an end B. The axial direction of the shaft 2 is taken as the projection line. A spacing h is formed between the end B projected to the projection line and the side A. The end B is used to resist the flywheel sleeved on the shaft 2 so that the flywheel does not fit the housing 1.

[0028] The stator assembly includes a stator core 13 formed by stacking a number of silicon steel sheets, a first fixing member 6, a second fixing member 7 and a third fixing member 8. The first fixing member 6 and the second fixing member 7 are both ring plates, and the first fixing member 6 and the second fixing member 7 are arranged on both sides of the stator core 13 along the stacking direction of the silicon steel sheets. The third fixing member 8 is a cover plate, and the side of the cover plate is welded with a ring plate, so that the stacked silicon steel sheets are clamped by the first fixing member 6 and the second fixing member 7, thereby improving the strength of the stacking of the silicon steel sheets. A first pin is arranged on the ring plate, and a second pin is arranged on the silicon steel sheet. After the second pin and the first pin are stacked, a coil 14 is arranged on the outside to make the clamping more stable.

[0029] The stator core 13 is provided with a through slot 9, and the through slot 9 is provided with a first opening. The first opening is used to place the rotor assembly in the through slot 9. The cover plate is arranged on the first opening so that the first opening is closed. The cover plate is provided with a vent 11, which is connected to the through slot 9 and is used for heat dissipation. The cover plate is provided with a connector, which is a boss 10 and a bolt. The surface of the boss 10 and the surface of the cover plate form a height difference. The boss 10 is provided with a connecting hole 12. The bolt passes through the external device and is fixed in the connecting hole 12. The stator assembly is fixed to the external device to prevent the external device from sticking to the surface of the cover plate and blocking the vent 11.

[0030] The housing 1 is provided with a first limiting groove 4, on which a first gear 15 is provided, and the rotating shaft 2 is provided with a second gear, which is limited in the first limiting groove 4, and the first gear 15 is meshed with the second gear. The second gear is embedded in the first limiting groove 4, so that the second gear is protected, and the second gear drives the first gear 15 to rotate, thereby rotating the housing 1. The housing 1 is provided with a second limiting groove 16, in which a bearing 5 is provided, and the rotating shaft 2 is inserted into the bearing 5, and the bearing 5 is used to promote the rotation of the rotating shaft 2.

[0031] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A motor for a cycling platform, comprising a housing, a stator assembly and a rotor assembly, wherein the rotor assembly comprises a rotating shaft, an end of the rotating shaft passes through the housing, and the rotating shaft is used to set a flywheel of the cycling platform. Features: The shell includes a side A, the rotating shaft A passes through the side A, the rotating shaft is provided with a limiting portion, the limiting portion is provided with an end B, the axial direction of the rotating shaft is used as a projection line, the end B projected onto the projection line is separated from the side A, and the end B is used to support the flywheel mounted on the rotating shaft so that the flywheel does not fit the shell.

2. A motor for a riding platform according to claim 1, Features: The limiting portion is a sleeve, and the sleeve is arranged on the outside of the rotating shaft.

3. A motor for a riding platform according to claim 1, Features: The stator assembly includes a stator core formed by stacking a plurality of silicon steel sheets, a first fixing member, a second fixing member and a third fixing member, wherein the first fixing member and the second fixing member are arranged on both sides of the stator core along the stacking direction of the silicon steel sheets, and the third fixing member is connected between the first fixing member and the second fixing member, so that the stacked silicon steel sheets are clamped by the first fixing member and the second fixing member.

4. A motor for a cycling platform according to claim 3, Features: The stator core is provided with a through slot, and the through slot is provided with a first opening, and the first opening is used to place the rotor assembly in the through slot, and the third fixing member is a cover plate, and the cover plate is arranged on the first opening to close the first opening.

5. A motor for a riding platform according to claim 4, Features: The cover plate is provided with an air vent, the air vent is connected to the through slot, and the air vent is used for heat dissipation.

6. A motor for a cycling platform according to claim 4, Features: The cover plate is provided with a connecting piece, and the connecting piece is used to connect the third fixing piece with an external device.

7. A motor for a cycling platform according to claim 6, Features: The connecting member adopts a boss and a bolt, a height difference is formed between the surface of the boss and the surface of the cover plate, a connecting hole is arranged on the boss, and the bolt passes through the external device and is fixed in the connecting hole.

8. The motor for a riding platform according to claim 1, Features: The housing is provided with a first gear, the rotating shaft sleeve is provided with a second gear, and the first gear is meshedly connected with the second gear, so that the rotating shaft drives the housing to rotate.

9. A motor for a riding platform according to claim 8, Features: The housing is provided with a first limiting groove, and the first limiting groove is provided with the first gear, so that the second gear is limited in the first limiting groove.

10. The motor for a riding platform according to claim 1, Features: The housing is provided with a second limiting groove, a bearing is provided in the second limiting groove, the shaft is inserted into the bearing, and the bearing is used to promote the rotation of the shaft.

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