Permanent magnet motor stator

Abstract

The utility model relates to the technical field of motors, in particular to a permanent magnet motor stator which comprises a coil and an installation assembly, and the installation assembly comprises a fixing mechanism, a vertical rod, a first arc plate, a second arc plate, an arc groove, an inner circular ring and an outer circular ring. The coil is an annular wire winding and can be wound according to the requirement of a motor, when the device is used, the coil is wound on a vertical rod, then a second arc plate is inserted into an arc groove in an inner circular ring in a sliding mode, and the coil is divided into a plurality of coils to be installed on the inner circular ring. When one coil goes wrong, the corresponding second arc plate is taken out for maintenance or replacement, the first arc plate is used for limiting the coil, the outer circular ring sleeves the outer side of the first arc plate, and the protection device and the fixing mechanism limit the two ends of the outer circular ring to prevent the inner structure of the outer circular ring from sliding.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a permanent magnet motor stator. Background Art

[0002] The known permanent magnet motor stator generally comprises a stator core, windings wound on the teeth of the stator core, and a wiring structure for connecting the winding lead wires to a power line. The wiring structure is further subdivided into an insulating frame fixed to one end of the core, a wiring plate arranged on the insulating frame, and a plurality of wiring terminals distributed on the wiring plate for welding the winding lead wires one by one.

[0003] A permanent magnet motor stator is currently available, comprising a stator core, wherein the stator core is formed by stacking a plurality of stator punching sheets, and an insulating layer is arranged between the plurality of stator punching sheets, six winding grooves are evenly opened on the outer wall of the stator punching sheets, and the insides of the six winding grooves are all fixedly connected with wire fixing blocks, and the surfaces of the six wire fixing blocks are all wound with winding coils, an inner core is sleeved at the inner center position of the stator core, and the surface of the inner core is evenly opened with three fractures, when the coil wound on the surface of one of the wire fixing blocks is broken, it is not necessary to disassemble all the winding coils, so as to reduce the difficulty of disassembly, and at the same time, reduce the loss during production and improve the efficiency of later rework.

[0004] However, in the above utility model, if the coil is damaged during use, the stator core needs to be disassembled and repaired, which is complicated and has low work efficiency. Utility Model Content

[0005] The utility model aims to provide a permanent magnet motor stator, aiming to solve the problem that if the coil is damaged during use, the stator core needs to be disassembled and repaired, the operation is complicated and the work efficiency is low.

[0006] To achieve the above object, the utility model provides a permanent magnet motor stator, including a coil and a mounting assembly, wherein the mounting assembly includes a fixing mechanism, a vertical rod, a first arc plate, a second arc plate, an arc groove, an inner ring and an outer ring;

[0007] The vertical pole is arranged on the inner side of the coil, the first arc plate is fixedly connected to the vertical pole and is located on one side of the vertical pole, the second arc plate is fixedly connected to the vertical pole and is located on the side of the second arc plate away from the first arc plate, the arc groove is slidably connected to the second arc plate and is located on the outer side of the second arc plate, the inner ring is fixedly connected to the arc groove and is located on one side of the arc groove, the outer ring is slidably connected to the first arc plate and is located on the outer side of the first arc plate, and the fixing mechanism is connected to the outer ring and is located on one side of the outer ring.

[0008] Wherein, the fixing mechanism includes a baffle and a fixing bolt, the baffle is slidably connected to the outer ring and is located on one side of the outer ring, the fixing bolt is threadedly connected to the baffle and the outer ring and is located on one side of the baffle.

[0009] Among them, the installation assembly also includes a protective groove and a limit bar, the limit bar is fixedly connected to the outer ring and is located on the inner side of the outer ring, the limit bar is slidably connected to the first arc plate and is located on one side of the first arc plate, and the protective groove is fixedly connected to the outer ring and is located on the outer side of the outer ring.

[0010] Wherein, the mounting assembly further comprises a protrusion and a rotating shaft, wherein the protrusion is fixedly connected to the inner ring and is located on the inner side of the inner ring, and the rotating shaft is slidably connected to the protrusion and is located on the outer side of the protrusion.

[0011] Wherein, the mounting assembly further includes a threaded ring and an insulating ring, wherein the threaded ring is fixedly connected to the baffle and is located on the outer side of the baffle, and the insulating ring is threadedly connected to the threaded ring and is located on the outer side of the threaded ring.

[0012] The utility model discloses a permanent magnet motor stator, wherein the coil is an annular wire winding, which can be wound according to the needs of the motor. When using the device, the coil is wound on the vertical pole, and then the second arc plate is slidably inserted into the arc groove on the inner ring, and the coil is divided into a plurality of parts which are respectively installed with the inner ring. When a problem occurs to one of the coils, the corresponding second arc plate can be taken out for repair or replacement. The first arc plate is used for limiting the coil, and the outer ring is sleeved on the outer side of the first arc plate to form a protective device. The fixing mechanism limits the two ends of the outer ring to prevent the internal structure of the outer ring from sliding. This solves the problem that if the coil is damaged during use of the existing device, the stator core needs to be disassembled for repair, the operation is complicated, and the work efficiency is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a structural diagram of a permanent magnet motor stator according to the first embodiment of the utility model.

[0015] Figure 2 It is a partial schematic diagram of a permanent magnet motor stator according to the first embodiment of the utility model.

[0016] Figure 3It is a cross-sectional schematic diagram of a permanent magnet motor stator according to the first embodiment of the utility model.

[0017] Figure 4 It is a cross-sectional schematic diagram of a permanent magnet motor stator according to the second embodiment of the utility model.

[0018] 101-coil, 102-installation assembly, 103-fixing mechanism, 104-vertical pole, 105-first arc plate, 106-second arc plate, 107-arc groove, 108-inner ring, 109-outer ring, 110-baffle, 111-fixing bolt, 112-protective groove, 113-limiting strip, 114-bump, 115-rotating shaft, 201-threaded ring, 202-insulating ring. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] First embodiment

[0021] See also Figure 1 to Figure 3 , Figure 1 This is a structural diagram of a permanent magnet motor stator according to the first embodiment of the utility model. Figure 2 It is a partial schematic diagram of a permanent magnet motor stator of the first embodiment of the utility model. Figure 3 It is a cross-sectional schematic diagram of a permanent magnet motor stator according to the first embodiment of the utility model.

[0022] The utility model provides a permanent magnet motor stator: comprising a coil 101 and a mounting assembly 102, wherein the mounting assembly 102 comprises a fixing mechanism 103, a vertical rod 104, a first arc plate 105, a second arc plate 106, an arc groove 107, an inner ring 108, an outer ring 109, a baffle 110, a fixing bolt 111, a protective groove 112, a limit bar 113, a convex block 114 and a rotating shaft 115. The above-mentioned solution solves the problem that if the coil 101 is damaged during practical use, the stator core needs to be disassembled and repaired as a whole, the operation is complicated, and the work efficiency is low.

[0023] In this embodiment, the coil 101 is a ring-shaped wire winding, which can be wound according to the needs of the motor.

[0024] The vertical rod 104 is arranged on the inner side of the coil 101, the first arc plate 105 is fixedly connected to the vertical rod 104 and is located on one side of the vertical rod 104, the second arc plate 106 is fixedly connected to the vertical rod 104 and is located on the side of the second arc plate 106 away from the first arc plate 105, the arc groove 107 is slidably connected to the second arc plate 106 and is located on the outer side of the second arc plate 106, the inner ring 108 is fixedly connected to the arc groove 107 and is located on one side of the arc groove 107, the outer ring 109 is slidably connected to the first arc plate 105 and is located on the outer side of the first arc plate 105, the fixing mechanism 103 is connected to the outer ring 109 and is located on one side of the outer ring 109, When using the device, the coil 101 is wound around the vertical pole 104, and then the second arc plate 106 is slidably inserted into the arc groove 107 on the inner ring 108, and the coil 101 is divided into multiple parts and installed on the inner ring 108 respectively. When a problem occurs with one of the coils 101, the corresponding second arc plate 106 can be taken out for repair or replacement. The first arc plate 105 is used to limit the coil 101, and the outer ring 109 is sleeved on the outside of the first arc plate 105 to protect the device. The fixing mechanism 103 limits the two ends of the outer ring 109 to prevent the internal structure of the outer ring 109 from sliding, which solves the problem that if the coil 101 is damaged during the use of the existing device, the stator core needs to be disassembled and repaired, the operation is complicated, and the work efficiency is low.

[0025] Secondly, the baffle 110 is slidably connected to the outer ring 109 and is located on one side of the outer ring 109. The fixing bolt 111 is threadedly connected to the baffle 110 and is threadedly connected to the outer ring 109 and is located on one side of the baffle 110. The baffle 110 is connected to both ends of the outer ring 109 to prevent the internal structure of the outer ring 109 from sliding. The baffle 110 is disassembled and installed by the fixing bolt 111.

[0026] Again, the limit strip 113 is fixedly connected to the outer ring 109 and is located on the inner side of the outer ring 109. The limit strip 113 is slidably connected to the first arc plate 105 and is located on one side of the first arc plate 105. The protective groove 112 is fixedly connected to the outer ring 109 and is located on the outer side of the outer ring 109. The limit strip 113 is used to limit the position of the first arc plate 105. By adding the protective groove 112 on the outer side of the outer ring 109, the toughness of the outer ring 109 is improved to prevent damage to parts during thermal expansion and contraction.

[0027] Finally, the protrusion 114 is fixedly connected to the inner ring 108 and is located on the inner side of the inner ring 108. The rotating shaft 115 is slidably connected to the protrusion 114 and is located on the outer side of the protrusion 114. The rotating shaft 115 is slidably connected to the protrusion 114 correspondingly, so that the rotating shaft 115 is installed inside the stator. The rotating shaft 115 is the output shaft of the motor.

[0028] When using a permanent magnet motor stator of the utility model, the coil 101 is a ring-shaped wire winding, which can be wound according to the needs of the motor. When using the device, the coil 101 is wound on the vertical pole 104, and then the second arc plate 106 is slidably inserted into the arc groove 107 on the inner ring 108, and the coil 101 is divided into multiple parts and installed with the inner ring 108 respectively. When a problem occurs with one of the coils 101, the corresponding second arc plate 106 can be taken out for repair or replacement. The first arc plate 105 is used to limit the coil 101, and the outer ring 109 is sleeved on the outside of the first arc plate 105 to protect the device. The fixing mechanism 103 limits the two ends of the outer ring 109 to prevent the internal structure of the outer ring 109 from sliding. This solves the problem that if the coil 101 is damaged during use of the existing device, the stator core needs to be disassembled and repaired, the operation is complicated, and the work efficiency is low.

[0029] Second embodiment

[0030] See also Figure 4 , Figure 4 It is a cross-sectional schematic diagram of a permanent magnet motor stator of the second embodiment of the utility model. Based on the first embodiment, a permanent magnet motor stator of the utility model further includes the mounting assembly 102 and further includes a threaded ring 201 and an insulating ring 202 .

[0031] The threaded ring 201 is fixedly connected to the baffle 110 and is located on the outside of the baffle 110. The insulating ring 202 is threadedly connected to the threaded ring 201 and is located on the outside of the threaded ring 201. By threading the insulating ring 202 to the threaded ring 201, the insulating ring 202 is installed at both ends of the stator to improve the insulation of the device.

[0032] The above disclosure is only a preferred embodiment of a permanent magnet motor stator of the utility model, and it certainly cannot be used to limit the scope of rights of the utility model. Ordinary technicians in this field can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the utility model still fall within the scope covered by the utility model.

Claims

1. A permanent magnet motor stator, comprising a coil, characterized in that: Also included is an installation assembly, which includes a fixing mechanism, a vertical pole, a first arc plate, a second arc plate, an arc groove, an inner ring and an outer ring; The vertical pole is arranged on the inner side of the coil, the first arc plate is fixedly connected to the vertical pole and is located on one side of the vertical pole, the second arc plate is fixedly connected to the vertical pole and is located on the side of the second arc plate away from the first arc plate, the arc groove is slidably connected to the second arc plate and is located on the outer side of the second arc plate, the inner ring is fixedly connected to the arc groove and is located on one side of the arc groove, the outer ring is slidably connected to the first arc plate and is located on the outer side of the first arc plate, and the fixing mechanism is connected to the outer ring and is located on one side of the outer ring.

2. A permanent magnet motor stator as claimed in claim 1, characterized in that: The fixing mechanism includes a baffle and a fixing bolt. The baffle is slidably connected to the outer ring and is located on one side of the outer ring. The fixing bolt is threadedly connected to the baffle and the outer ring and is located on one side of the baffle.

3. A permanent magnet motor stator as claimed in claim 2, characterized in that: The mounting assembly also includes a protective groove and a limit bar, wherein the limit bar is fixedly connected to the outer ring and is located on the inner side of the outer ring, the limit bar is slidably connected to the first arc plate and is located on one side of the first arc plate, and the protective groove is fixedly connected to the outer ring and is located on the outer side of the outer ring.

4. A permanent magnet motor stator as claimed in claim 3, characterized in that: The mounting assembly further comprises a protrusion and a rotating shaft, wherein the protrusion is fixedly connected to the inner ring and is located on the inner side of the inner ring, and the rotating shaft is slidably connected to the protrusion and is located on the outer side of the protrusion.

5. A permanent magnet motor stator as claimed in claim 4, characterized in that: The mounting assembly further comprises a threaded ring and an insulating ring. The threaded ring is fixedly connected to the baffle and is located on the outer side of the baffle. The insulating ring is threadably connected to the threaded ring and is located on the outer side of the threaded ring.

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