CN215870930U

CN215870930U - Stator block of shaded pole motor

Info

Publication number: CN215870930U
Application number: CN202120942147.8U
Authority: CN
Inventors: 吴广俊
Original assignee: Jiangsu Guanyu Motor Technology Co ltd
Current assignee: Jiangsu Guanyu Motor Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-02-18
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a stator block of a shaded pole motor, which comprises a C-shaped stator block, an I-shaped stator block and a stator winding, wherein the C-shaped stator block and the I-shaped stator block are connected through insertion to form a complete stator block, the stator winding is fixedly arranged on the stator block, and an installation frame is fixedly arranged on the stator block. The utility model has reasonable structure and can be conveniently installed during manufacturing.

Description

Stator block of shaded pole motor

Technical Field

The utility model relates to the field of shaded pole motors, in particular to a stator block for a shaded pole motor.

Background

Shaded pole motor is also called shaded pole formula motor, is one kind in the single phase alternating current motor, adopts cage type chute cast aluminium rotor usually, and the one step that shaded pole motor was indispensable when the assembly process is fixed the setting on the stator piece with stator winding, and it is more difficult during traditional structure equipment, difficult reliably suppress stator winding on the customization piece, guarantees simultaneously that stator piece and stator winding can not receive the harm, therefore the stator piece of traditional structure is not the specially adapted processing assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a stator block of a shaded pole motor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a stator piece of shaded pole motor, includes C type stator piece, I type stator piece and stator winding, connects through the cartridge between C type stator piece and the I type stator piece and constitutes complete stator piece, and stator winding is fixed to be set up on stator piece, and the last fixed mounting bracket that is provided with of stator piece.

Preferably, the front end face of the C-shaped stator block is provided with a notch matched with the I-shaped stator block, the front end face of the C-shaped stator block is positioned at two sides of the notch and is respectively provided with an insertion block, a step face is arranged between the insertion block and the notch, a through hole for an external rotor iron core to pass through is formed between the rear end face of the C-shaped stator block and the notch, two air gap grooves which are oppositely arranged are formed in the hole wall of the through hole, each air gap groove extends from one end face of the C-shaped stator block to the other end face, two groups of short circuit rings which are oppositely arranged are arranged on the periphery of the through hole of the C-shaped stator block, and the distance between the step face and the rear end face is smaller than the distance between the front end face and the rear end face;

the upper end face and the lower end face of the I-shaped stator block are parallel to each other, the stator winding is sleeved on the I-shaped stator block and is in interference fit with the upper end face and the lower end face, two ends of the I-shaped stator block are provided with arc sections, the distance between the end face of the top end of each arc section and the lower end face is smaller than the distance between the upper end face and the lower end face, and an insertion groove is formed between the upper end face and the arc sections;

through the cooperation of cartridge piece and cartridge groove, C type stator piece and I type stator piece cartridge are connected and are constituted complete stator piece, and stator winding can get into in the breach, and when C type stator piece and I type stator piece cartridge were connected, the cartridge piece inserted in the cartridge groove, and the preceding terminal surface and the arc section top end terminal surface of C type stator piece offset, and the step face offsets with the up end.

Preferably, the fixed side that sets up at C type stator piece of mounting bracket, the mounting bracket includes that the bearing holds chamber and two lugs, two lug symmetries set up the both ends that hold the chamber at the bearing, the bearing holds the intracavity and is provided with the bearing with pivot matched with, the upper and lower both ends that C type stator piece is located the through-hole are opened respectively and are worn the dress hole, the mounting bracket is located to open on every lug and is had the screw thread mounting hole, the bolt can with screw thread mounting hole screw-thread fit and pass and wear the dress hole.

Preferably, the notch comprises a notch bottom surface and two notch side surfaces, and an included angle alpha between the notch bottom surface and the notch side surfaces is an obtuse angle.

Compared with the prior art, the utility model has the beneficial effects that:

the stator block is formed by inserting and fixing the C-shaped stator block and the I-shaped stator block, the structure can be convenient for workers to assemble, when in processing and manufacturing, only the stator winding needs to be preliminarily sleeved and fixed on the I-shaped stator block, at the moment, the circular arc sections at two ends of the I-shaped stator block are exposed out of the stator winding, next procedure workers insert and fix the C-shaped stator block and the I-shaped stator block through the tool, so that the purpose that the stator winding is fixedly arranged on the stator block can be achieved, and particularly, the pressing tool can apply pressure to the circular arc sections and push the whole I-shaped stator block because the circular arc sections at two ends of the I-shaped stator block are exposed out of the stator winding, so that the C-shaped stator block and the I-shaped stator block can be directly stressed, the installation is convenient, and the stator winding can not be damaged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a front view of a C-type stator block 1 of the present invention;

fig. 3 is a schematic perspective view of a C-shaped stator block 1 according to the present invention;

fig. 4 is a front view of type I stator piece 2 of the present invention;

fig. 5 is a schematic perspective view of a type I stator block 2 according to the present invention;

FIG. 6 is a schematic perspective view of the mounting bracket 4 of the present invention

In the figure: the structure comprises 1C type stator blocks, 101 notches, 1011 notch bottom surfaces, 1012 notch side surfaces, 102 insertion blocks, 103 through holes, 104 air gap grooves, 105 short circuit rings, 106 front end surfaces, 107 step surfaces, 108 rear end surfaces, 109 penetrating holes, 2I type stator blocks, 201 upper end surfaces, 202 lower end surfaces, 203 arc sections, 204 insertion grooves, 3 stator windings, 4 mounting frames, 401 bearing accommodating cavities, 402 two lugs and 403 threaded mounting holes.

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.

Referring to fig. 1-6, a stator block of a shaded pole motor comprises a C-type stator block 1, an I-type stator block 2 and a stator winding 3, wherein the C-type stator block 1 and the I-type stator block 2 are connected through insertion to form a complete stator block, the stator winding 3 is fixedly arranged on the stator block, and an installation frame 4 is fixedly arranged on the stator block.

Preferably, the front end face 106 of the C-shaped stator block 1 is provided with a notch 101 matched with the I-shaped stator block 2, the front end face 106 of the C-shaped stator block 1 is positioned at two sides of the notch 101 and is respectively provided with an insertion block 102, a step face 107 is arranged between the insertion block 102 and the notch 101, a through hole 103 for an external rotor core to pass through is formed between the rear end face 108 of the C-shaped stator block 1 and the notch 101, two air gap grooves 104 which are oppositely arranged are formed in the hole wall of the through hole 103, each air gap groove 104 extends from one end face to the other end face of the C-shaped stator block 1, two groups of short circuit rings 105 which are oppositely arranged are arranged on the periphery of the through hole 103 of the C-shaped stator block 1, and the distance between the step face 107 and the rear end face 108 is smaller than the distance between the front end face 106 and the rear end face 108;

the upper end face 201 and the lower end face 202 of the I-shaped stator block 2 are parallel to each other, the stator winding 3 is sleeved on the I-shaped stator block 2, the stator winding 3 is in interference fit with the upper end face 201 and the lower end face 202, the two ends of the I-shaped stator block 2 are provided with arc sections 203, the distance between the top end face and the lower end face 202 of each arc section 203 is smaller than the distance between the upper end face 201 and the lower end face 202, and an insertion groove 204 is formed between the upper end face 201 and the arc sections 203;

through the matching of the insertion blocks 102 and the insertion grooves 204, the C-shaped stator blocks 1 and the I-shaped stator blocks 2 are inserted and connected to form complete stator blocks, the stator winding 3 can enter the gap 101, when the C-shaped stator blocks 1 and the I-shaped stator blocks 2 are inserted and connected, the insertion blocks 102 are inserted into the insertion grooves 204, the front end surfaces 106 of the C-shaped stator blocks 1 abut against the end surfaces of the top ends of the arc sections 203, and the step surfaces 107 abut against the upper end surfaces 201.

Preferably, the mounting bracket 4 is fixedly arranged on the side of the C-shaped stator block 1, the mounting bracket 4 comprises a bearing accommodating cavity 401 and two lugs 402, the two lugs 402 are symmetrically arranged at two ends of the bearing accommodating cavity 401, a bearing matched with a rotating shaft is arranged in the bearing accommodating cavity 401, the upper end and the lower end of the C-shaped stator block 1 located in the through hole 103 are respectively provided with a penetrating hole 109, the mounting bracket 4 located on each lug 402 is provided with a threaded mounting hole 403, and a bolt can be in threaded fit with the threaded mounting hole 403 and penetrates through the penetrating hole 109. When in practical use, the other side edge of the C-shaped stator block 1 is a working end in driving connection with the rotor rotating shaft, the mounting block of the working end is also provided with a bearing to be matched with the rotor rotating shaft, so that the whole rotor end is mounted and fixed, the working end can be matched with a bolt penetrating through the mounting hole 109 to realize self mounting and fixing, and the working end is reliably arranged on the side edge of the C-shaped stator block 1

Preferably, the notch 101 includes a notch bottom 1011 and two notch side 1012, and the included angle α between the notch bottom 1011 and the notch side 1012 is an obtuse angle. This structure makes the two notch sides 1012 be inclined surfaces, and when the stator winding 3 enters, the two notch sides 1012 can be caught to achieve better fixation.

Like the prior art, the C-shaped stator block 1 and the I-shaped stator block 2 are both made of a multi-layer sheet structure through riveting and pressing.

It should be noted that the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the drawings, the specific connection mode of each part adopts the conventional means of bolt, rivet, welding, etc. mature in the prior art, the machines, parts and equipment all adopt the conventional models in the prior art, and the inventor does not need to describe in detail here.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a stator piece of shaded pole motor, includes C type stator piece (1), I type stator piece (2) and stator winding (3), its characterized in that: the C-type stator block (1) and the I-type stator block (2) are connected through a plug-in mounting mode to form a complete stator block, the stator winding (3) is fixedly arranged on the stator block, and the stator block is fixedly provided with a mounting frame (4).

2. The stator piece of a shaded pole motor according to claim 1,

the front end face (106) of the C-shaped stator block (1) is provided with a notch (101) matched with the I-shaped stator block (2), the front end face (106) of the C-shaped stator block (1) is positioned on two sides of the notch (101) and is respectively provided with an insertion block (102), a step face (107) is arranged between the insertion block (102) and the notch (101), a through hole (103) for an external rotor core to pass through is formed between the rear end face (108) of the C-shaped stator block (1) and the notch (101), two oppositely-arranged air gap grooves (104) are formed in the hole wall of the through hole (103), each air gap groove (104) extends from one end face to the other end face of the C-shaped stator block (1), two groups of oppositely-arranged short circuit rings (105) are arranged on the periphery of the through hole (103), and the distance between the step face (107) and the rear end face (108) is smaller than the distance between the front end face (106) and the rear end face (108);

the upper end face (201) and the lower end face (202) of the I-shaped stator block (2) are parallel to each other, a stator winding (3) is sleeved on the I-shaped stator block (2) in a penetrating mode, the stator winding (3) is in interference fit with the upper end face (201) and the lower end face (202), arc sections (203) are arranged at two ends of the I-shaped stator block (2), the distance between the top end face and the lower end face (202) of each arc section (203) is smaller than the distance between the upper end face (201) and the lower end face (202), and an insertion groove (204) is formed between the upper end face (201) and each arc section (203);

through the matching of the insertion blocks (102) and the insertion grooves (204), the C-shaped stator blocks (1) and the I-shaped stator blocks (2) are inserted and connected to form complete stator blocks, the stator windings (3) can enter the notches (101), when the C-shaped stator blocks (1) and the I-shaped stator blocks (2) are inserted and connected, the insertion blocks (102) are inserted into the insertion grooves (204), the front end faces (106) of the C-shaped stator blocks (1) abut against the end faces of the top ends of the arc sections (203), and the step faces (107) abut against the upper end faces (201).

3. The stator block of the shaded pole motor according to claim 1 or 2, wherein the mounting frame (4) is fixedly arranged at the side of the C-shaped stator block (1), the mounting frame (4) comprises a bearing accommodating cavity (401) and two lugs (402), the two lugs (402) are symmetrically arranged at two ends of the bearing accommodating cavity (401), a bearing matched with a rotating shaft is arranged in the bearing accommodating cavity (401), penetrating holes (109) are respectively formed in the upper end and the lower end, located in the through hole (103), of the C-shaped stator block (1), a threaded mounting hole (403) is formed in each lug (402), and a bolt can be in threaded fit with the threaded mounting hole (403) and penetrates through the penetrating holes (109).

4. A stator piece for a shaded-pole machine according to claim 2, characterized in that the gap (101) comprises a gap bottom (1011) and two gap sides (1012), the angle α between the gap bottom (1011) and the gap sides (1012) being an obtuse angle.