Treadmill track buffer motor

Abstract

The utility model discloses a treadmill track buffer motor, which comprises a treadmill and a motor body used for driving a treadmill track, the motor body comprises a rotating body structure, the rotating body structure comprises a motor cylinder body and a magnet arranged in the motor cylinder body, two ends of the motor cylinder body are respectively provided with a detachable motor front cover and a detachable motor rear cover, and the motor front cover and the motor rear cover are connected with the rotating body structure. The motor cylinder body further comprises a crawler belt connecting structure, the crawler belt connecting structure is installed on the running machine in a fixed mode, the crawler belt connecting structure comprises a crawler belt driving shaft, and the crawler belt driving shaft is connected with the motor front cover. When the motor is installed on the treadmill, the two ends of the motor are fixed on the treadmill, the motor rotates integrally, resonance generated when the motor is connected with the treadmill is reduced, noise is reduced, meanwhile, a flywheel arranged on a traditional treadmill motor is abandoned, the weight of the motor can be reduced, materials are saved, cost is reduced, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a treadmill crawler belt buffer motor. Background Art

[0002] Treadmills are common equipment in homes and gyms, and are the simplest type of home fitness equipment today. They are the best choice for home fitness equipment. Treadmill motors (hereinafter referred to as motors) are the power source of treadmills. Because the motor is used in a relatively sealed space, noise and heat dissipation of the motor are very important.

[0003] For example, the Chinese utility model patent application number is CN200920052356.4, and the patent name is a treadmill motor, which includes a housing, a stator assembly, a rotor assembly, a front cover, a rear cover and a flywheel. The overall structure has the advantages of simple structure, low cost, easy installation, and tight connection. However, the motor still has the following shortcomings:

[0004] There is no heat dissipation structure and wind guide structure inside, which cannot take away the heat from the winding well, and the air flow driven by the motor when it rotates is small, so the winding cannot be cooled well, resulting in poor heat dissipation effect of the entire motor; and the motor vibrates and makes a lot of noise when working after being combined with the treadmill. The reason is that a counterweight flywheel is set in the structure and the motor is fixed when running. When the motor is connected to the treadmill, resonance will occur, thereby generating a lot of noise; the overall structure is relatively bulky, the manufacturing cost is high, and the loss is large during operation. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art solutions, the utility model provides a treadmill track buffer motor, which can effectively solve the problems raised by the background technology.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A treadmill crawler buffer motor comprises a motor body for driving a treadmill crawler, the motor body comprises a rotating structure, the rotating structure comprises a motor cylinder and a magnet arranged in the motor cylinder, two ends of the motor cylinder are respectively provided with a detachable motor front cover and a motor rear cover, the motor cylinder also comprises a crawler connection structure, the crawler connection structure is fixedly mounted on the treadmill, the crawler connection structure comprises a crawler drive shaft, and the crawler drive shaft is connected to the motor front cover;

[0008] The motor front cover and the motor rear cover are respectively fixed on the motor body, and the motor rear cover is provided with a mounting shaft, wherein the track drive shaft and the mounting shaft are provided with fixed mounting seats, and the fixed mounting seats are movably connected to the track drive shaft and the mounting shaft, and the motor body rotates in a relative motion manner of a treadmill through the fixed mounting seats.

[0009] As a further description of the above technical solution, the motor barrel includes an inner layer and an outer layer, and an air guide structure and a heat dissipation structure are also provided in the motor barrel. The magnet is coaxially arranged in the motor barrel, and a lead group is connected to one end of the magnet, and the lead group passes through the rear cover of the motor.

[0010] As a further description of the above technical solution, the air guide structure includes an air guide ring, which is provided with a plurality of air guide holes or air guide grooves, and the air guide ring is coaxially arranged with the motor barrel.

[0011] As a further description of the above technical solution, the heat dissipation structure includes a heat dissipation ring, which is provided with a plurality of heat dissipation grooves formed by spacers. The heat dissipation ring is fixed in the motor barrel by screws, and the motor barrel is also provided with a plurality of heat dissipation holes arranged at equal intervals at the position corresponding to the heat dissipation ring.

[0012] As a further description of the above technical solution, the magnet includes a motor shaft core inserted into the motor barrel, and a first grounding copper plate and a second grounding copper plate are respectively provided at both ends of the motor shaft core, wherein the grounding copper plates at both ends of the motor shaft core differ by 180 degrees.

[0013] As a further description of the above technical solution, the motor front cover and the track drive shaft are integrally formed, a through hole is opened in the middle of the motor rear cover, wherein the end of the track drive shaft is formed with a threaded portion for connecting the treadmill track, the motor front cover is also provided with a first installation cavity and a first fixing portion, and the motor rear cover is provided with a second installation cavity and a second fixing portion, wherein the motor front cover and the motor rear cover are fixedly connected to the motor body through the first fixing portion and the second fixing portion respectively, and the first fixing portion and the second fixing portion include multiple screw holes.

[0014] As a further description of the above technical solution, the first mounting cavity and the second mounting cavity are provided with bearing parts, wherein the first mounting cavity and the second mounting cavity are both circular, and the diameter of the second mounting cavity is smaller than the diameter of the first mounting cavity, and the center point of the first mounting cavity coincides with the center point of the track drive shaft.

[0015] As a further description of the above technical solution, the diameter of the track drive shaft is 35 mm, and a mounting hole communicating with the first mounting cavity is opened in the track drive shaft. The length of the mounting hole is 31 mm, and the thread angle on the threaded part is 40 degrees.

[0016] As a further description of the above technical solution, the diameter and the axial depth of the first mounting cavity are 34 mm and 12 mm respectively, and the diameter and the axial depth of the second mounting cavity are 31 mm and 10 mm respectively.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The treadmill crawler buffer motor of the utility model has at least one of the following beneficial effects during use:

[0019] A heat dissipation structure and an air guide structure are arranged inside the motor barrel. Air flow is generated during the operation of the motor, so that air is sucked into the motor through the air guide ring for heat dissipation. In combination with the heat dissipation ring, the heat dissipation effect of the motor is greatly improved. The motor barrel can be used as a magnetic conductor for the motor, so that the motor magnetic circuit is closed except for the air gap. The casing is used as a magnetic conductor for the stator to close the motor magnetic circuit, reduce magnetic resistance, reduce the current of the motor, and increase the output torque of the motor. When the motor is installed on the treadmill, its two ends are fixed on the treadmill, and the motor rotates as a whole. This structure reduces the resonance when the motor is connected to the treadmill, reduces noise generation, and abandons the flywheel set on the traditional treadmill motor, which can reduce the weight of the motor, save materials, reduce costs, and improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall installation structure of the crawler buffer motor of the treadmill of the utility model;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of part A;

[0022] Figure 3 This is a first overall structural schematic diagram of a treadmill track buffer motor of the utility model;

[0023] Figure 4 This is a second overall structural diagram of the treadmill track buffer motor of the utility model;

[0024] Figure 5 This is a first side structural diagram of the treadmill track buffer motor of the utility model;

[0025] Figure 6 This is a second side structural diagram of the treadmill track buffer motor of the utility model;

[0026] Figure 7 This is a schematic diagram of the end structure of the crawler buffer motor of the treadmill of the utility model;

[0027] Figure 8This is a schematic diagram of the motor front cover structure of the crawler buffer motor of the treadmill of the utility model;

[0028] Fig. 9 The utility model is a schematic diagram of the motor rear cover structure of the crawler buffer motor of the treadmill.

[0029] Numbers in the figure:

[0030] 1. Treadmill; 2. Motor body; 201. Motor barrel; 202. Track connection structure; 203. Air guide structure; 204. Magnet; 205. Lead set; 206. First grounding copper sheet; 207. Second grounding copper sheet; 208. Heat dissipation structure; 209. Heat dissipation hole; 3. Motor front cover; 301. Track drive shaft; 302. First installation cavity; 303. First fixing part; 4. Fixed mounting seat; 401. Bearing member; 5. Motor rear cover; 501. Second installation cavity; 502. Through hole; 503. Second fixing part. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figure 1-9 As shown, the utility model provides a treadmill track buffer motor, including a motor body 2 for driving a treadmill track, the motor body 2 including a swivel structure, the swivel structure including a motor body 201 and a magnet 204 arranged in the motor body 201, and a detachable motor front cover 3 and a motor rear cover 5 are respectively provided at both ends of the motor body 201, the motor body 201 also includes a track connection structure 202, the track connection structure 202 is fixedly mounted on the treadmill 1, and the track connection structure 202 includes a track drive shaft 301, and the track drive shaft 301 is connected to the motor front cover 3.

[0033] In one of the present embodiments, the motor body 201 can be used as the magnetizer 204 of the motor to close the motor magnetic circuit except for the air gap. The motor casing is used as the magnetizer 204 of the stator to close the motor magnetic circuit, thereby reducing the magnetic resistance, reducing the current of the motor, and increasing the output torque of the motor.

[0034] The motor front cover 3 and the motor rear cover 5 are respectively fixed on the motor body 201, and the motor rear cover 5 is provided with a mounting shaft, wherein the track drive shaft 301 and the mounting shaft are provided with a fixed mounting seat 4, and the fixed mounting seat 4 is movably connected to the track drive shaft 301 and the mounting shaft, and the motor body 201 rotates in a relative motion manner to the treadmill 1 through the fixed mounting seat 4.

[0035] In the second embodiment of the present invention, a heat dissipation structure 208 and an air guide structure 203 are provided inside the motor barrel 201, and air flow is generated during the operation of the motor, so that the air is sucked into the motor through the air guide ring for heat dissipation, and combined with the heat dissipation ring, the heat dissipation effect of the motor is greatly improved.

[0036] In the third example, when the motor is installed on the treadmill 1, its two ends are fixed on the treadmill 1, and the motor rotates as a whole. This structure reduces the resonance when the motor is connected to the treadmill 1, reduces the noise generation, and at the same time abandons the flywheel set on the traditional treadmill 1 motor, which can reduce the weight of the motor, save materials, reduce costs, and improve efficiency.

[0037] It is further explained that the motor body 201 includes an inner layer and an outer layer, and an air guide structure 203 and a heat dissipation structure 208 are also provided in the motor body 201, the magnet 204 is coaxially arranged in the motor body 201, and a lead group 205 is connected to one end of the magnet 204, and the lead group 205 passes through the motor back cover 5.

[0038] The motor barrel 201 has a length of 100 mm to 144.5 mm and a diameter of 105 mm to 164 mm, and is overall compact and light.

[0039] Among them, the lead group 205 has a wire length of 550mm-750MM, and also has three detachable straight terminals in red, black and white. The terminal is covered with a transparent protective cover, which has a good protective effect.

[0040] It is further explained that the air guide structure 203 includes an air guide ring, which is provided with a plurality of air guide holes or air guide grooves, and the air guide ring is coaxially arranged with the motor barrel 201.

[0041] It is further explained that the heat dissipation structure 208 includes a heat dissipation ring, which is provided with a plurality of heat dissipation grooves formed by spacers. The heat dissipation ring is fixed in the motor barrel 201 by screws, and the motor barrel 201 is also provided with a plurality of heat dissipation holes 209 arranged at equal intervals at the position corresponding to the heat dissipation ring.

[0042] The heat dissipation holes 209 are arranged at equal intervals along the length and circumferential direction of the motor barrel 201 . The hot air inside the motor can be discharged through this structure, thereby providing a heat dissipation effect for the entire motor.

[0043] It is further explained that the magnet 204 includes a motor shaft core passing through the motor barrel 201, and a first grounding copper sheet 206 and a second grounding copper sheet 207 are respectively provided at both ends of the motor shaft core, wherein the grounding copper sheets at both ends of the motor shaft core differ by 180 degrees.

[0044] It is further explained that the motor front cover 3 and the track drive shaft 301 are integrally formed, a through hole 502 is opened in the middle of the motor rear cover 5, wherein the end of the track drive shaft 301 is formed with a threaded portion for connecting to the treadmill track, the motor front cover 3 is also provided with a first installation cavity 302 and a first fixing portion 303, and the motor rear cover 5 is provided with a second installation cavity 501 and a second fixing portion 503, wherein the motor front cover 3 and the motor rear cover 5 are fixedly connected to the motor body 201 by respectively passing through the first fixing portion 303 and the second fixing portion 503, and the first fixing portion 303 and the second fixing portion 503 include multiple screw holes.

[0045] The motor front cover 3 and the track drive shaft 301 are integrally forged, wherein the mounting hole in the middle of the track drive shaft 301 is used to mount a connecting shaft, which is used to connect to the fixed mounting seat 4, and a bearing is provided at the connection between the connecting shaft and the fixed mounting seat 4. The bearing member 401 provided in the corresponding first mounting cavity 302 and the second mounting cavity 501 can realize the overall rotation of the motor.

[0046] It is further explained that the first installation cavity 302 and the second installation cavity 501 are provided with a bearing member 401, wherein the first installation cavity 302 and the second installation cavity 501 are both circular, and the diameter of the second installation cavity 501 is smaller than the diameter of the first installation cavity 302, and the center point of the first installation cavity 302 coincides with the center point of the track drive shaft 301.

[0047] It is further explained that the diameter of the crawler drive shaft 301 is 35 mm, a mounting hole communicating with the first mounting cavity 302 is provided in the crawler drive shaft 301, the length of the mounting hole is 31 mm, the thread angle on the threaded portion is 40 degrees, the thread height is 2.06 mm, the thread width of the threaded portion is 2.34 mm, and the thread end has a chamfer with a radius of 0.3 mm.

[0048] It is further explained that the diameter and the axial depth of the first installation cavity 302 are 34 mm and 12 mm respectively, and the diameter and the axial depth of the second installation cavity 501 are 31 mm and 10 mm respectively.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A treadmill track buffer motor, comprising a motor body for driving a treadmill track, characterized in that: The motor body includes a rotating structure, the rotating structure includes a motor body and a magnet disposed in the motor body, two ends of the motor body are respectively provided with a detachable motor front cover and a motor rear cover, the motor body also includes a track connection structure, the track connection structure is fixedly mounted on the treadmill, the track connection structure includes a track drive shaft, and the track drive shaft is connected to the motor front cover; The motor front cover and the motor rear cover are respectively fixed on the motor body, and the motor rear cover is provided with a mounting shaft, wherein the track drive shaft and the mounting shaft are provided with fixed mounting seats, and the fixed mounting seats are movably connected to the track drive shaft and the mounting shaft, and the motor body rotates in a relative motion manner of a treadmill through the fixed mounting seats.

2. The treadmill track buffer motor according to claim 1, characterized in that: The motor barrel comprises an inner layer and an outer layer, and an air guide structure and a heat dissipation structure are also provided in the motor barrel. The magnet is coaxially arranged in the motor barrel, and a lead group is connected to one end of the magnet, and the lead group passes through the rear cover of the motor.

3. The treadmill track buffer motor according to claim 2, characterized in that: The air guide structure comprises an air guide ring, on which a plurality of air guide holes or air guide grooves are arranged, and the air guide ring is coaxially arranged with the motor barrel.

4. The treadmill track buffer motor according to claim 2, characterized in that: The heat dissipation structure includes a heat dissipation ring, which is provided with a plurality of heat dissipation grooves formed by spacers. The heat dissipation ring is fixed in the motor barrel by screws, and the motor barrel is also provided with a plurality of heat dissipation holes arranged at equal intervals at positions corresponding to the heat dissipation ring.

5. The treadmill track buffer motor according to claim 1, characterized in that: The magnet comprises a motor shaft core which is passed through the motor barrel, and a first grounding copper sheet and a second grounding copper sheet are respectively arranged at two ends of the motor shaft core, wherein the grounding copper sheets at the two ends of the motor shaft core are 180 degrees apart.

6. The treadmill track buffer motor according to claim 1, characterized in that: The motor front cover and the track drive shaft are integrally formed, a through hole is opened in the middle of the motor rear cover, wherein the end of the track drive shaft is formed with a threaded portion for connecting to the treadmill track, the motor front cover is also provided with a first installation cavity and a first fixing portion, and the motor rear cover is provided with a second installation cavity and a second fixing portion, wherein the motor front cover and the motor rear cover are fixedly connected to the motor body through the first fixing portion and the second fixing portion respectively, and the first fixing portion and the second fixing portion include multiple screw holes.

7. The treadmill track buffer motor according to claim 6, characterized in that: The first mounting cavity and the second mounting cavity are provided with bearing parts, wherein the first mounting cavity and the second mounting cavity are both circular, and the diameter of the second mounting cavity is smaller than the diameter of the first mounting cavity, and the center point of the first mounting cavity coincides with the center point of the crawler drive shaft.

8. The treadmill track buffer motor according to claim 6, characterized in that: The diameter of the crawler drive shaft is 35 mm, and a mounting hole communicating with the first mounting cavity is provided in the crawler drive shaft. The length of the mounting hole is 31 mm, and the thread angle on the threaded portion is 40 degrees.

9. The treadmill track buffer motor according to claim 6 or 7, characterized in that: The diameter and axial depth of the first mounting cavity are 34 mm and 12 mm respectively, and the diameter and axial depth of the second mounting cavity are 31 mm and 10 mm respectively.

Images