CN216252299U

CN216252299U - Shaft core for outer rotor motor of electric treadmill

Info

Publication number: CN216252299U
Application number: CN202122991807.4U
Authority: CN
Inventors: 秦东
Original assignee: Sangu Technology Dongguan Co ltd
Current assignee: Sangu Technology Dongguan Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-08
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a shaft core for an outer rotor motor of an electric treadmill, which comprises a motor body, wherein a novel shaft core is arranged at the center of the middle of the motor body, a processing hole is formed in one side of the novel shaft core, which is positioned at the output end of the motor body, and a hollow groove is formed in the center of the middle of the novel shaft core. In the utility model, in order to solve the problem of hole machining of the shaft core, the seamless steel pipe is used as the shaft core, holes are formed in the seamless steel pipe, post-machining is not needed, in order to solve the problem of shaft core cost, the seamless steel pipe is used as the shaft core, the material use is reduced, through holes of the shaft core are increased, if the temperature rise of the motor body is too high, the function of circulating water cooling can be performed through the hollow groove, the heat of the motor is taken away, and the functions of reducing the machining difficulty, reducing the product cost, solving the heat dissipation of the motor and the like can be realized through the hollow shaft core.

Description

Shaft core for outer rotor motor of electric treadmill

Technical Field

The utility model relates to the field of electric treadmills, in particular to a shaft core of an outer rotor motor of an electric treadmill.

Background

The motor is commonly called as "motor" and refers to an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, the motor is represented by a letter M (old standard is represented by D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, the generator is represented by a letter G in the circuit, and the motor mainly has the function of converting mechanical energy into electric energy.

Chinese patent document CN210167900U relates to a motor dabber, including fashioned front end axle of components of a whole that can function independently and back end axle, the first end of front end axle is pegged graft with the first end of back end axle and is made front end axle and back end axle can rotate in step, along the axis direction of motor dabber, the second end of front end axle is equipped with second connecting hole and the keyway that is used for with the output shaft of motor, the keyway runs through front end axle, the first end of front end axle is equipped with the first connecting hole coaxial with the second connecting hole, first connecting hole and second connecting hole intercommunication. First connecting hole and second connecting hole intercommunication through the front end axle to make the keyway run through the front end axle, can become logical groove with second connecting hole and keyway by original blind groove, and then optimize the processing technology of original keyway, easily control processingquality more, improve machining efficiency. The motor axle core that provides of this patent all is solid axle core, but the external rotor electric machine need trompil on the axle core, has with high costs, the big scheduling problem of the processing degree of difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a shaft core for an outer rotor motor of an electric treadmill.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a shaft core for outer rotor motor of electronic treadmill, includes motor body, motor body middle part axle center position is provided with novel shaft core, one side that novel shaft core is located the motor body output is provided with the processing hole, novel shaft core middle part axle center position is provided with the cavity groove.

As a further description of the above technical solution:

the novel shaft core overall structure is a seamless steel pipe.

As a further description of the above technical solution:

the outer surface of the novel shaft core is positioned at the head and the tail of the motor body, and the two sides of the head and the tail of the motor body are both arranged to be planes.

As a further description of the above technical solution:

the novel shaft core is in interference fit with a bearing of the motor body.

As a further description of the above technical solution:

and the outer surface of the motor body is provided with a plastic insulating sleeve.

The utility model has the following beneficial effects:

in the utility model, firstly, in order to solve the problem of hole machining of the shaft core, the seamless steel pipe is used as the shaft core, holes are formed in the seamless steel pipe, post-machining is not needed, in order to solve the problem of shaft core cost, the seamless steel pipe is used as the shaft core, the material use is reduced, through holes of the shaft core are increased, if the temperature rise of the motor body is too high, the function of circulating water cooling can be performed through the hollow groove, the heat of the motor is taken away, and the functions of reducing the machining difficulty, reducing the product cost, solving the heat dissipation of the motor and the like can be realized through the hollow shaft core.

Drawings

FIG. 1 is a perspective view of a shaft core of an outer rotor motor for an electric treadmill according to the present invention;

fig. 2 is an exploded view of a shaft core of an outer rotor motor for a motor-driven treadmill according to the present invention.

Illustration of the drawings:

1. a motor body; 2. a novel shaft core; 3. machining a hole; 4. a hollow channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: the utility model provides an axle core for outer rotor motor of electronic treadmill, including motor body 1, motor body 1 middle part axle center position is provided with novel axle core 2, novel axle core 2 is used for as motor body 1's axle core, one side that novel axle core 2 is located motor body 1 output is provided with processing hole 3, processing hole 3 department punches before the installation, can avoid subsequent processing, novel axle core 2 middle part axle center position is provided with well recess 4, well recess 4 inboard is used for passing the water pipe that has water, overheated time day after motor body 1 works plays radiating effect.

Novel 2 overall structures of axle core are seamless steel pipe, solve the problem of axle core cost, adopt seamless steel pipe as the axle core, the reduction material uses, novel 2 surfaces of axle core are located motor body 1's head and the tail both sides and all set up to the plane, under the synergism of processing hole 3, the axle core need not the postprocessing and can external other devices, interference fit between novel axle core 2 and motor body 1's bearing, novel position that axle core 2 is located motor body 1 output meets with motor body 1's bearing, motor body 1 surface is provided with the insulating cover of plastics, separate with external when motor body 1 during operation, prevent the electric leakage.

The working principle is as follows: in order to solve the problem of the shaft core machining hole 3, a seamless steel pipe is used as the shaft core, a hole is formed in the shaft core, post-machining is not needed, in order to solve the problem of the shaft core cost, the seamless steel pipe is used as the shaft core, the material usage is reduced, through holes of the shaft core are increased, if the temperature rise of the motor body 1 is too high, the function of circulating water cooling can be achieved through the hollow groove 4, and the heat of the motor is taken away.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a shaft core for outer rotor motor of electronic treadmill, includes motor body (1), its characterized in that: the novel motor is characterized in that a novel shaft core (2) is arranged in the middle of the motor body (1), a machining hole (3) is formed in one side, located at the output end of the motor body (1), of the novel shaft core (2), and a hollow groove (4) is formed in the middle of the novel shaft core (2).

2. The shaft core for the outer rotor motor of the electric treadmill according to claim 1, wherein: the novel shaft core (2) is a seamless steel pipe in the whole structure.

3. The shaft core for the outer rotor motor of the electric treadmill according to claim 1, wherein: the outer surface of the novel shaft core (2) is positioned at the head and the tail of the motor body (1) and both sides are arranged to be planes.

4. The shaft core for the outer rotor motor of the electric treadmill according to claim 1, wherein: the novel shaft core (2) is in interference fit with the bearing of the motor body (1).

5. The shaft core for the outer rotor motor of the electric treadmill according to claim 1, wherein: the outer surface of the motor body (1) is provided with a plastic insulating sleeve.