Stator

Abstract

The stator comprises a winding framework, an enameled wire and a pressing plate, the enameled wire is wound on the winding framework to form a coil, the pressing plate is installed on the winding framework, the pressing plate is provided with a wire channel, the wire channel is used for protecting the enameled wire led out of the coil, and the enameled wire extends out of the pressing plate through the wire channel and is connected with a circuit board. The motor has the advantages that the circuit board and the enameled wire can be directly connected, so that the reliability of connection between the circuit board and the enameled wire is higher, and the motor is more durable.

Description

Technical Field

[0001] The present application relates to the technical field of electric motors, and in particular to a stator. Background Art

[0002] The stator is an important component of the motor. When current passes through the coil on the stator, a rotating magnetic field is generated, which drives the rotor to rotate, thereby realizing the function of the motor. The enameled wire led out from the coil is connected to the circuit board through other wires to realize the function of the motor. However, the reliability of this connection method is not strong, which makes the motor prone to failure. Utility Model Content

[0003] In view of the shortcomings of the prior art, one of the purposes of the present application is to provide a stator which has the advantage of being able to directly connect a circuit board to an enameled wire, thereby making the connection reliability between the circuit board and the enameled wire stronger, thereby making the motor more durable.

[0004] The above-mentioned purpose of the present application is achieved through the following technical solutions:

[0005] A stator comprises a winding frame, an enameled wire and a pressing plate. The enameled wire is wound on the winding frame to form a coil. The pressing plate is installed on the winding frame and is provided with a wire channel. The wire channel is used to protect the enameled wire led out from the coil. The enameled wire extends from the pressing plate through the wire channel and is connected to a circuit board.

[0006] By adopting the above technical solution, the wire channel protects the enameled wire from being worn, and the enameled wire is led out to the circuit board through the wire channel, so that the enameled wire and the circuit board can be directly connected, thereby making the product more reliable and durable.

[0007] In a preferred example, the present application can be further configured as follows: the pressing plate includes a second connecting portion, and the second connecting portion is used to connect to the winding skeleton.

[0008] By adopting the above technical solution, the second connecting part is connected to the winding frame so that the enameled wire led out from the coil can extend into the pressing plate.

[0009] In a preferred example, the present application can be further configured as follows: a connecting portion 1 is provided on the winding skeleton, and the connecting portion 1 is used to connect to the pressing plate.

[0010] By adopting the above technical solution, the pressing plate and the connecting portion 1 are connected, so that the enameled wire extends into the pressing plate through the connecting portion 1, thereby connecting the enameled wire and the circuit board.

[0011] In a preferred example, the present application can be further configured as follows: the winding skeleton includes a connecting ring, a mounting ring and an outer ring, the connecting part is arranged on the connecting ring, the connecting ring is installed at one end of the outer ring, the mounting ring is installed at the other end of the outer ring, and the enameled wire is wound around the connecting ring and the mounting ring.

[0012] By adopting the above technical solution, the connecting part 1 realizes the purpose of connecting the connecting ring and the pressing plate, and the connecting ring, the mounting ring and the outer ring cooperate to make the assembly and maintenance of the winding skeleton more convenient.

[0013] In a preferred example, the present application can be further configured as follows: a winding groove 1 is provided on the connecting ring, and a winding groove 2 is provided on the mounting ring, and the winding groove 1 and the winding groove 2 cooperate to accommodate the coil.

[0014] By adopting the above technical solution, the first winding groove and the second winding groove cooperate with each other so that the enameled wire is wound to form a coil.

[0015] In a preferred example, the present application can be further configured as follows: a through hole 1 is provided on the pressure plate, and the through hole 1 is for the enameled wire to pass through.

[0016] By adopting the above technical solution, a through hole is provided so that the enameled wire can extend out of the pressing plate and be connected to the circuit board.

[0017] In a preferred example, the present application can be further configured as follows: a through cavity is provided on the connecting portion 2, and the through hole 1 and the through cavity are connected to form a line channel.

[0018] By adopting the above technical solution, the wire channel formed by the through hole 1 and the cavity being connected enables the enameled wire to extend out of the pressing plate.

[0019] In a preferred example, the present application can be further configured as follows: the connecting portion 1 is provided with a through hole and a accommodating cavity, the through hole and the accommodating cavity are connected, the accommodating cavity is used to accommodate a part of the pressure plate, and the through hole is used for the enameled wire to enter the wire channel.

[0020] By adopting the above technical solution, the accommodating cavity accommodates the connecting portion 2 to achieve the purpose of connecting the connecting portion 1 and the pressing plate, so that the enameled wire passes through the through hole into the wire channel.

[0021] In a preferred example, the present application can be further configured as follows: a boss is provided on the pressure plate, a through hole is provided in the boss, and the boss is used to protect the connecting portion of the enameled wire.

[0022] By adopting the above technical solution, the probability of the enameled wire connection part being worn before connection is reduced.

[0023] In a preferred example, the present application can be further configured as follows: a notch is provided on the boss, and the notch makes it easy to cut off the excess part of the pressure plate.

[0024] By adopting the above technical solution, the notch is provided to facilitate the removal of the redundant part of the pressing plate, so that the enameled wire used for connection is exposed to prepare for the connection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the stator structure of this application.

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of the winding frame of the present application.

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the connecting ring and the mounting ring of the present application.

[0029] Figure 5 It is a schematic diagram of the outer ring structure of this application.

[0030] Figure numerals: 1. Shell; 11. Through hole 2; 12. Mounting hole; 13. Limiting protrusion; 2. Winding frame; 21. Connection part 1; 22. Through hole; 23. Connecting ring; 24. Mounting ring; 25. Outer ring; 26. Limiting groove; 27. Accommodating cavity; 28. Winding groove 1; 29. ​​Winding groove 2; 3. Enameled wire; 4. Coil; 5. Press plate; 51. Connection part 2; 52. Through hole 1; 53. Boss; 54. Notch; 6. Circuit board. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings.

[0032] Reference Figure 1 and Figure 2 , is a stator disclosed in the present application, including a shell 1, in which a winding skeleton 2, an enameled wire 3 and a pressing plate 5 are arranged, the enameled wire 3 is wound on the winding skeleton 2 to form a coil 4, and the pressing plate 5 is installed on the winding skeleton 2. In the present embodiment, the number of the pressing plates 5 is three, and in other embodiments, the number of the pressing plates 5 can be set as needed.

[0033] Reference Figure 1 and Figure 2 A limiting protrusion 13 and a mounting hole 12 are provided in the shell 1. In the present embodiment, the number of the mounting holes 12 is five, and the mounting holes 12 are symmetrically arranged on the shell 1. In other embodiments, the number of the mounting holes 12 can be set as needed. A limiting groove 26 matching the limiting protrusion 13 is provided on the winding skeleton 2, and the mounting holes 12 are used to connect the shell 1 with other devices.

[0034] Reference Figure 3 , Figure 4 and Figure 5The winding skeleton 2 includes a connecting ring 23, a mounting ring 24 and an outer ring 25. The connecting ring 23 is installed at one end of the outer ring 25, and the mounting ring 24 is installed at the other end of the outer ring 25. The enameled wire 3 is wound on the connecting ring 23 and the mounting ring 24. The connecting ring 23 is provided with a winding groove 1 28, and the mounting ring 24 is provided with a winding groove 29. The winding groove 1 28 and the winding groove 2 29 cooperate to accommodate the coil 4.

[0035] A connecting portion 21 is also provided on the connecting ring 23, and the pressure plate 5 includes a connecting portion 51. The connecting portion 21 is used to be connected to the connecting portion 51. The connecting portion 21 is provided with a through hole 22 and a accommodating cavity 27. The through hole 22 and the accommodating cavity 27 are connected. The accommodating cavity 27 is used to accommodate the connecting portion 51. The through hole 22 is used for the enameled wire 3 to enter the wire channel. In this embodiment, the through hole 22 is set as a U-shaped groove. In addition, the through hole 22 can also be set as a hole or groove structure of other shapes for the enameled wire 3 to enter the pressure plate 5.

[0036] The pressing plate 5 is also provided with a through hole 52 for the enameled wire 3 to pass through. The connecting portion 51 is used to connect with the winding skeleton 2. The connecting portion 51 is provided with a through cavity. The through hole 52 and the through cavity are connected to form a wire channel. The wire channel is used to protect the enameled wire 3. The enameled wire 3 extends from the pressing plate 5 through the wire channel and is connected to the circuit board 6.

[0037] In this embodiment, the through cavity can be an extension of the through hole 1 52 on the connecting part 2 51, that is, the through hole 1 52 is a linear channel, and the connecting part 2 51 is located in the accommodating cavity 27 of the connecting part 1 21, thereby realizing the connection between the connecting part 1 21 and the connecting part 2 51. In another embodiment, the through cavity is not an extension of the through hole 1 52 on the connecting part 2 51, and the through cavity can be a truncated cone, a square cone or other cavity structure that can accommodate the connecting part 1 21, so that the connecting part 1 21 is located in the through cavity to realize the connection between the connecting part 1 21 and the connecting part 2 51.

[0038] Reference Figure 1 and Figure 2 The pressing plate 5 is also provided with a boss 53, and the shell 1 is provided with a second through hole 11, through hole 11 for the boss 53 to pass through, through hole 1 52 is arranged in the boss 53, the boss 53 protects the enameled wire 3 for connection, and the boss 53 is provided with a notch 54, which makes it easy to cut off the excess part of the pressing plate 5.

[0039] During assembly, first install the connecting ring 23 and the mounting ring 24 on the outer ring 25 to complete the installation of the winding skeleton 2, then wind the enameled wire 3 onto the winding groove 1 28 and the winding groove 2 29 to form the coil 4, and introduce the enameled wire 3 led out from the coil 4 into the connecting part 1 21 through the through hole 22. The connecting part 1 21 and the connecting part 2 51 cooperate to allow the enameled wire 3 to be introduced into the through hole 1 52, and the assembled winding skeleton 2, coil 4 and pressing plate 5 are placed into the housing 1, the boss 53 extends from the through hole 2 11, and the excess part of the pressing plate 5 is removed through the notch 54, so that the enameled wire 3 is exposed and directly connected to the circuit board 6 outside the housing 1.

[0040] The implementation principle of this embodiment is: the connecting ring 23 and the mounting ring 24 are matched and installed on the outer ring 25, so that the winding skeleton 2 is easy to install, and the winding skeleton 2 and the pressure plate 5 are matched to form a wire channel. The wire channel reduces the probability of the enameled wire 3 led out from the coil 4 being damaged during the assembly process. The boss 53 extends from the through hole 11 on the shell 1, and the excess part of the pressure plate 5 is removed by shearing the notch 54, so that the enameled wire 3 can be directly connected to the circuit board 6 outside the shell 1.

[0041] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stator, characterized in that: The invention comprises a winding frame (2), an enameled wire (3) and a pressing plate (5), wherein the enameled wire (3) is wound on the winding frame (2) to form a coil (4), the pressing plate (5) is mounted on the winding frame (2), a wire channel is provided on the pressing plate (5), the wire channel is used to protect the enameled wire (3) led out from the coil (4), and the enameled wire (3) extends out from the pressing plate (5) through the wire channel.

2. A stator according to claim 1, characterized in that: The pressing plate (5) comprises a second connecting portion (51), and the second connecting portion (51) is used to be connected to the winding skeleton (2).

3. A stator according to claim 1 or 2, characterized in that: A connecting portion 1 (21) is provided on the winding skeleton (2), and the connecting portion 1 (21) is used to be connected to the pressing plate (5).

4. A stator according to claim 1 or 2, characterized in that: The winding skeleton (2) comprises a connecting ring (23), a mounting ring (24) and an outer ring (25); a connecting portion (21) is arranged on the connecting ring (23); the connecting ring (23) is mounted on one end of the outer ring (25); the mounting ring (24) is mounted on the other end of the outer ring (25); and the enameled wire (3) is wound around the connecting ring (23) and the mounting ring (24).

5. A stator according to claim 4, characterized in that: The connecting ring (23) is provided with a first winding groove (28), and the mounting ring (24) is provided with a second winding groove (29). The first winding groove (28) and the second winding groove (29) cooperate to accommodate the coil (4).

6. A stator according to claim 1, characterized in that: The pressing plate (5) is provided with a through hole (52), and the through hole (52) is used for the enameled wire (3) to pass through.

7. A stator according to claim 6, characterized in that: The second connecting part (51) is provided with a through cavity, and the through hole (52) and the through cavity are connected to form a line channel.

8. A stator according to claim 3, characterized in that: The first connecting portion (21) is provided with a through hole (22) and a receiving cavity (27), the through hole (22) and the receiving cavity (27) are connected, the receiving cavity (27) is used to receive a part of the pressing plate (5), and the through hole (22) allows the enameled wire (3) to enter the wire channel.

9. A stator according to claim 1, characterized in that: A boss (53) is provided on the pressing plate (5), and the first through hole (52) is provided in the boss (53). The boss (53) is used to protect the connection part of the enameled wire (3).

10. A stator according to claim 9, characterized in that: A notch (54) is provided on the boss (53), and the notch (54) facilitates the shearing off of the redundant part of the pressing plate (5).

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