CN216252318U - Wiring structure for outer rotor motor of electric treadmill - Google Patents

Abstract

The utility model discloses a wiring structure for an outer rotor motor of an electric treadmill, which comprises a motor stator core, wherein the upper end and the lower end of the motor stator core are fixedly connected with plastic fixing end plates, enameled wires are wound on the outer sides of the plastic end plates of the plastic fixing end plates at the upper end and the lower end, a U-phase terminal, a V-phase terminal and a W-phase terminal are arranged at equal intervals on one side of the plastic fixing end plate at the upper end, a collinear terminal is arranged on the other side of the plastic fixing end plate at the upper end, one end of each enameled wire is respectively connected with the U-phase terminal, the V-phase terminal and the W-phase terminal, and the other end of each enameled wire is connected with the collinear terminal. The utility model greatly improves the reliability of connection, simplifies the production process greatly and saves a large amount of labor cost.

Description

Wiring structure for outer rotor motor of electric treadmill

Technical Field

The utility model relates to the field of motors, in particular to a wiring structure for an outer rotor motor of an electric treadmill.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, 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 CN211296360U relates to an outer rotor motor, which comprises a base plate, a stator assembly, a rotor assembly, a bearing and a bearing seat; the stator component comprises a stator core and a stator winding; the rotor assembly comprises a rotating shaft, a radial permanent magnet part, a shell and an axial permanent magnet part, wherein the radial permanent magnet part is fixed on the inner wall of the outer circumference part of the shell, the rotating shaft is fixed on a central through hole at the bottom of the shell, and the axial permanent magnet part is fixed on the inner surface of the bottom of the shell; one end of the bearing seat is fixed in the first through hole of the bottom plate, the other end of the bearing seat is suspended in the air and is fixed with the stator assembly, and the bearing is fixed in a bearing chamber of the bearing seat; one end of the rotating shaft is arranged in an inner hole of the bearing, a radial gap is formed between the stator core and the radial permanent magnet component, and an axial gap is formed between the axial permanent magnet component and the end part of the stator core and the end part of the bearing seat. The enameled wire wiring method for the outer rotor motor stator of the electric treadmill in the market has two methods, namely, the enameled wire is connected with a lead wire and is welded by soldering tin; secondly, the enameled wire is welded on a circuit board, and then the lead is welded on the circuit board, the enamel of the enameled wire needs to be stripped by special equipment, the production process is complicated, and a large amount of production cost is increased; the two connection methods have the defects that false welding occurs in the enameled wire and lead welding due to unstable temperature of soldering tin, and the connection is unreliable; the plastic end plate that has now on the market all is square right angle limit, bends around enameled wire turning department right angle, causes the problem that the coat of enameled wire peeled off easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a wiring structure 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 wiring structure for outer rotor motor of electronic treadmill, includes motor stator core, the fixed end plate of the equal fixedly connected with plastic in both ends about motor stator core, upper and lower end the each plastic end plate outside of the fixed end plate of plastic all twines the enameled wire, upper end the fixed end plate of plastic one side equidistance position is provided with U looks terminal, V looks terminal and W looks terminal, upper end the opposite side of the fixed end plate of plastic is provided with the collineation terminal, the one end of enameled wire is connected with U looks terminal, V looks terminal and W looks terminal respectively, the other end of enameled wire is connected with the collineation terminal.

As a further description of the above technical solution:

the outer surface of the plastic fixed end plate is arc-shaped.

As a further description of the above technical solution:

and a plastic shaft sleeve is arranged in the middle of the upper end plastic fixed end plate.

As a further description of the above technical solution:

the side of the outer ring of the plastic fixed end plate is the same as the side of the outer ring of the motor stator core in shape.

As a further description of the above technical solution:

the enameled wire is connected with the U-phase terminal, the collinear terminal, the V-phase terminal and the W-phase terminal through butt welding equipment.

As a further description of the above technical solution:

and the volume sizes of the U-phase terminal, the V-phase terminal and the W-phase terminal are all smaller than that of the collinear terminal.

The utility model has the following beneficial effects:

in the utility model, firstly, in order to solve the problem of unreliable soldering tin welding, the existing butt-welding scheme is changed, and the enameled wire is butt-welded on the terminal, because the butt-welding is carried out at the instant high temperature, the enameled wire enamel is stripped, and the reliability of connection is greatly improved; in order to solve the problem of complex production process, the enameled wire can be directly hung on the terminal by winding, the enameled wire and the terminal are butt-welded together through butt-welding equipment, and then a lead is welded on the terminal.

Drawings

Fig. 1 is a perspective view of a wiring structure for an outer rotor motor of an electric treadmill according to the present invention;

FIG. 2 is a schematic view of a collinear terminal of a wiring structure for an outer rotor motor of an electric treadmill according to the present invention;

fig. 3 is a schematic view of a plastic fixing end plate of a wiring structure for an external rotor motor of an electric treadmill according to the present invention.

Illustration of the drawings:

1. a motor stator core; 2. enamelled wires; 3. a U-phase terminal; 4. a collinear terminal; 5. plastic fixing end plate; 6. a plastic shaft sleeve; 7. a V-phase terminal; 8. and a W-phase terminal.

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. 1-3, one embodiment of the present invention is provided: a wiring structure for an outer rotor motor of an electric treadmill comprises a motor stator core 1, wherein plastic fixing end plates 5 are fixedly connected to the upper end and the lower end of the motor stator core 1, the plastic fixing end plates 5 are used for limiting the upper end of the motor stator core 1, enameled wires 2 are wound on the outer sides of the plastic end plates of the upper end and the lower end of the plastic fixing end plates 5, the enameled wires 2 are used for generating a magnetic field after being electrified, U-phase terminals 3, V-phase terminals 7 and W-phase terminals 8 are arranged on one side of the upper end of the plastic fixing end plate 5 at equal intervals, the U-phase terminals 3, the V-phase terminals 7 and the W-phase terminals 8 are respectively connected with U, V and the W ends of wires, collinear terminals 4 are arranged on the other side of the upper end of the plastic fixing end plate 5, the materials can be reduced due to the arrangement of the hollow terminals 4, one ends of the enameled wires 2 are respectively connected with the U-phase collinear terminals 3, the V-phase terminals 7 and the W-phase terminals 8, the three groups of wires are respectively connected with the U-phase terminal 3, the V-phase terminal 7 and the W-phase terminal 8, and the other end of the enameled wire 2 is connected with the common wire terminal 4 and used for connecting the other ends of the three groups of wires.

The outer surface of the plastic end plate of the plastic fixed end plate 5 is arc-shaped, so as to reduce friction and prevent the enameled wire 2 from breaking, the middle part of the upper plastic fixed end plate 5 is provided with a plastic shaft sleeve 6, the utility model provides a be used for preventing the terminal to break away from, the side of the fixed end plate 5 outer lane of plastic all is the same with 1 outer lane side shape of motor stator core, receive the outer lane of the fixed end plate 5 of plastic in motor stator core 1, keep holistic pleasing to the eye, enameled wire 2 passes through butt-joint equipment and U looks terminal 3, collinear terminal 4, V looks terminal 7 links to each other with W looks terminal 8, the butt-joint makes 2 varnished cloth of enameled wire peel off high temperature in the twinkling of an eye, improve the reliability of connection by a wide margin, U looks terminal 3, V looks terminal 7 and W looks terminal 8's volume size all is less than collinear terminal 4's volume size, collinear terminal 4 is used for the joint of three groups of lines, U looks terminal 3, V looks terminal 7 and W looks terminal 8 are used for the other end of fixed three groups of lines respectively.

The working principle is as follows: the outer rotor motor stator consists of a motor stator iron core 1, an enameled wire 2, a U-phase terminal 3, a collinear terminal 4, a plastic fixed end plate 5, a plastic shaft sleeve 6, a V-phase terminal 7 and a W-phase terminal 8, in order to solve the problem of unreliable soldering tin welding, the existing butt-welding scheme is changed, the enameled wire 2 is butt-welded on the terminals, because the butt-welding is instantaneous high temperature, the enamel skin of the enameled wire 2 is stripped, the reliability of connection is greatly improved, in order to solve the problem of complex production process, the enameled wire 2 can be directly hung on the terminals by winding, the enameled wire 2 and the terminals are butt-welded together by a butt-welding device, then leads are welded on the terminals, the production process is simplified, a large amount of labor cost is saved, in order to solve the problem that the enamel skin of the enameled wire 2 is easy to strip after winding, the surface of the plastic fixed end plate 5 is made into an arc, in order to solve the problems of terminal stripping and the insulation characteristics between terminals, and a plastic bushing 6 is added for protection.

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 (6)

1. The utility model provides a wiring structure for outer rotor motor of electronic treadmill, includes motor stator core (1), its characterized in that: the utility model discloses a motor stator core's (1) equal fixedly connected with plastic fixed end plate (5) in both ends about, go up the lower extreme each plastic end plate outside of plastic fixed end plate (5) all twines enameled wire (2), upper end the equidistance position in plastic fixed end plate (5) one side is provided with U looks terminal (3), V looks terminal (7) and W looks terminal (8), the upper end the opposite side of plastic fixed end plate (5) is provided with collineation terminal (4), the one end of enameled wire (2) is connected with U looks terminal (3), V looks terminal (7) and W looks terminal (8) respectively, the other end of enameled wire (2) is connected with collineation terminal (4).

2. The wiring structure for the outer rotor motor of the motorized treadmill according to claim 1, wherein: the outer surface of the plastic fixed end plate (5) is arc-shaped.

3. The wiring structure for the outer rotor motor of the motorized treadmill according to claim 1, wherein: the middle part of the upper end of the plastic fixed end plate (5) is provided with a plastic shaft sleeve (6).

4. The wiring structure for the outer rotor motor of the motorized treadmill according to claim 1, wherein: the side of the outer ring of the plastic fixed end plate (5) is the same as the side of the outer ring of the motor stator iron core (1) in shape.

5. The wiring structure for the outer rotor motor of the motorized treadmill according to claim 1, wherein: the enameled wire (2) is connected with the U-phase terminal (3), the collinear terminal (4), the V-phase terminal (7) and the W-phase terminal (8) through butt welding equipment.

6. The wiring structure for the outer rotor motor of the motorized treadmill according to claim 1, wherein: and the volume sizes of the U-phase terminal (3), the V-phase terminal (7) and the W-phase terminal (8) are all smaller than that of the collinear terminal (4).

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