CN112398244B - Motor stator assembly - Google Patents
Motor stator assembly Download PDFInfo
- Publication number
- CN112398244B CN112398244B CN202011329117.6A CN202011329117A CN112398244B CN 112398244 B CN112398244 B CN 112398244B CN 202011329117 A CN202011329117 A CN 202011329117A CN 112398244 B CN112398244 B CN 112398244B
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- groove
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- iron core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
Abstract
The invention relates to a motor stator component, which comprises a shell and a stator core, wherein the shell is provided with a stator core; the shell is a cylindrical body with openings at two ends; the stator core is arranged inside the shell and comprises a core yoke part and a core tooth part, the core yoke part is of an annular structure formed by connecting six core plates in series, and the size of each core plate is the same; an iron core tooth part is installed on the first clamping groove and the second clamping groove which are close to the joint of every two adjacent core plate bodies on the iron core yoke part, the structural size of each iron core tooth part is identical, and each iron core tooth part comprises a first tooth part and a second tooth part. The invention aims to solve the problems that the copper wire on the iron core tooth part cannot be completely coated by the winding adhesive tape and the coating silica gel, and the high-voltage breakdown metal shell and the stator component still generated by the exposed copper wire are partially damaged and need to be integrally replaced, and can improve the creepage distance from the copper wire on the iron core tooth part to the metal shell of the motor, improve the insulation performance of the motor and save the cost.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor stator assembly.
Background
The motor stator is a static part of the motor, the stator mainly plays a role of generating a rotating magnetic field, the motor is cut by magnetic lines of force in the rotating magnetic field generated by the stator in the rotating process of the rotor so as to generate output current, the stator mainly comprises a stator yoke part and an iron core tooth part, and a stator winding refers to a winding arranged on the iron core tooth part, namely a copper wire wound on the iron core tooth part.
The creepage distance refers to the distance between two conductive parts measured along the insulating surface, the copper wire wound on the iron core tooth part can generate very high voltage when in use, the high voltage current generated on the iron core tooth part can puncture the metal shell, in order to ensure the insulating property of the motor, the insulating tape can be wound or coated with silica gel outside the copper wire, the copper wire can not be loosened when being wound, the wound tape can lead some loosened copper wires to generate bulges after being extruded by the insulating tape, part of the copper wires are exposed, the silica gel has certain fluidity, the thickness of the silica gel outside the copper wires can not be ensured to be consistent, some copper wires can also be exposed, the wound tape and the coated silica gel can not completely coat the copper wires, the copper wires exposed outside still have the possibility of puncturing the metal shell, and have certain danger, in addition, the stator yoke part and the iron core tooth part used at present are integrally formed, the stator assembly needs to be integrally replaced after a certain part of the stator assembly is damaged, and the cost is wasted.
Disclosure of Invention
The invention provides a motor stator assembly, which aims to solve the problems that a copper wire on an iron core tooth part cannot be completely coated by a winding adhesive tape and coating silica gel, and a high-voltage breakdown metal shell and the stator assembly still generated by the exposed copper wire are damaged partially and need to be replaced integrally.
In order to solve the problems, the technical scheme of the invention is as follows:
a motor stator assembly includes a housing and a stator core;
the shell is a cylindrical body with openings at two ends, six bearing rods in an annular array form are arranged on the inner peripheral wall of the shell, a connecting groove is arranged on each bearing rod, and each connecting groove is a groove body with a T-shaped longitudinal section and an opening facing the central axis of the shell;
stator core installs inside the casing, stator core includes iron core yoke portion and iron core tooth portion, iron core yoke portion is the loop configuration who is established ties by six cores and forms, the structure size homogeneous phase of every core, the core includes core plate body, spacing pipe, connecting plate and pin, the core plate body is the isosceles trapezoid shape's that longitudinal section is under the narrow width plate body, the side is the inclined plane about the core plate body, left part and right part above the core plate body do not are provided with first draw-in groove and second draw-in groove, the shape size homogeneous phase of first draw-in groove and second draw-in groove is the isosceles trapezoid, opening cell body up, the front end of first draw-in groove and second draw-in groove all runs through the front end of core plate body, the rear end is all with having the interval between the rear end of core plate body, be provided with the inside sunken cell body of core plate body respectively on the side about the core plate body, The opening is outside semicircular first recess, spacing pipe comprises the same first body and second body of diameter, first body and second body set up respectively in first recess rear portion on the core plate body left surface and in first recess front portion on the core plate body right flank, first body and second body set up with the first recess coaxial on the side about the core plate body respectively, the connecting plate includes first plate body and second plate body, first plate body is the rectangle plate body that is located the lower middle part of core plate body, and sets up along core plate body length direction with core plate body vertically, the second plate body is connected in first plate body tip, and the rectangle plate body parallel with core plate body, first plate body and second plate body constitute the T type body, every core plate body connects the spread groove on the internal peripheral wall of casing respectively, every core axis is towards casing axis above the plate body, The lower surface of the shell faces the inner peripheral wall of the shell, the second plate body on each core plate body is arranged in a connecting groove in a penetrating mode, the left side surface and the right side surface of every two adjacent core plate bodies are attached, the six core plates are sequentially connected in series to form a hollow hexagonal prism which is coaxial with the shell, each edge on the outer peripheral wall of the hollow hexagonal prism is contacted with the inner peripheral wall of the shell, when the left side surface and the right side surface of every two adjacent core plate bodies are attached, the part, located on the outer side of the side surface, of the first pipe body on one of the two attached side surfaces is embedded into the first groove on the other side surface, the part, located on the outer side of the second pipe body on one of the two attached side surfaces is embedded into the first groove on the other side surface, the first pipe body on the side surface where every two adjacent core plate bodies are attached is overlapped with the central axis of the second pipe body, and every two adjacent core plate bodies are connected through a pin which penetrates through the first pipe body and the second pipe body, insulating plates are filled in cavities between the outer peripheral wall of the iron core yoke part and the inner peripheral wall of the shell;
an iron core tooth part is commonly arranged on a first clamping groove and a second clamping groove which are close to the joint of every two adjacent core plate bodies on the iron core yoke part, the structural size of each iron core tooth part is the same, the iron core tooth part comprises a first tooth part and a second tooth part, the first tooth part comprises a first connecting body and a second connecting body, the first connecting body is a plate body with an isosceles triangle-shaped longitudinal section and inclined planes on the left side and the right side, a first sliding block and a second sliding block which are matched with the first clamping groove and the second clamping groove are respectively arranged on the left side and the right side of the first connecting body, a plurality of second grooves which are sunken towards the inside of the first connecting body and have outward openings are respectively arranged on the front side and the rear side of the first connecting body, each second groove is an arc-shaped groove with an arc-shaped bulge facing the bottom surface of the first connecting body, and convex plates which are vertical to the front side and the rear side of the first connecting body are arranged between every two adjacent second grooves on the front and rear side of the first connecting body, the second connecting body is a square rod body, the second connecting body is connected to the middle of the bottom surface of the first connecting body, the left side and the right side of the end part of the second connecting body are both provided with clamping plates perpendicular to the left side and the right side of the second connecting body, the second tooth part comprises a toothed plate and an elastic plate, the toothed plate is an arc plate body which is positioned at the end part of the second connecting body and has arc bulges facing the second connecting body, one side of the toothed plate facing the second connecting body is an outer side surface, the elastic plate comprises a first elastic plate and a second elastic plate, the first elastic plate and the second elastic plate are respectively arranged on the outer side surfaces of the toothed plates at two sides of the second connecting body, the first elastic plate and the second elastic plate are arc plate bodies with arc bulges facing the outer side surface of the toothed plate, the outer end of the first elastic plate and the outer end of the toothed plate at the same side are connected with the outer end of the second elastic plate and the outer end of the toothed plate at the same side through connecting rods, there is the interval between first elastic plate and the second elastic plate, second tooth portion is through penetrating between first elastic plate and the pinion rack and penetrating the second connector is connected to the cardboard between second elastic plate and the pinion rack, first slider and second slider on the first connector of every iron core tooth portion wear respectively pack into with every adjacent two core plate body junctions in first draw-in groove and the second draw-in groove that are close to mutually, the rear end of first slider and second slider on the first connector is laminated with the rear end of first draw-in groove and second draw-in groove at place respectively, all wear to be equipped with in first draw-in groove and the second draw-in groove of first slider and second slider front side on the first connector and the closing plate that matches and correspond with first draw-in groove and second draw-in groove, side and the interior wall laminating of iron core yoke portion about the first connector on every iron core tooth portion.
Further, the length of carrier bar equals the length of casing, and both ends all run through the front and back both ends of place carrier bar around every spread groove.
Further, both ends all run through the front and back terminal surface of core plate body around the first recess on the side about the core plate body, the distance between the axis of the first recess on the side about the core plate body to the core plate body is equal.
Further, the length of first body and second body all is less than 1/2 of first recess length, the rear end of first body and the rear end parallel and level of core plate body, the front end of second body and the front end parallel and level of core plate body.
Further, every insulating board all matches with the cavity between iron core yoke portion periphery wall and the casing internal perisporium and corresponds, all be provided with a plurality of through-holes that run through terminal surface around the insulating board on every insulating board.
Further, each insulating plate is a cylindrical body made of organic fibers, and the sealing plate is a plate-shaped body made of organic fibers.
Further, the convex plate is an arc plate body with an arc protrusion facing the bottom surface of the first connecting body and an opening facing the top end of the first connecting body, and the left end and the right end of each convex plate are flush with the left side and the right side of the first connecting body respectively.
Further, the toothed plates on two sides of the second connecting body are in a bilateral symmetry state, and the distance reserved between the first elastic plate and the second elastic plate is larger than the width of the second connecting body.
Further, there is the interval between the pinion rack on every two adjacent iron core tooth portions, pinion rack medial surface on every iron core tooth portion all towards the casing axis, and with the casing coaxial.
Further, the distance between the first elastic plate and the second elastic plate and the toothed plate is smaller than the thickness of the clamping plate on the second connecting body.
Through the technical scheme, the invention has the beneficial effects that:
1. after copper wires are wound on the second connecting body of the iron core tooth part, insulating tapes or coated silica gel are wound on the outer ring of the copper wires, an insulating plate is arranged between the stator yoke part and the shell, a plurality of through holes penetrating through the front end surface and the rear end surface of the insulating plate are arranged on each insulating plate, the insulating plates can form a hollow structure through the through holes, the hollow structure can prolong the discharge path of current along gas in the insulating material, so that the creepage distance between the copper wires and the shell is increased, a convex plate and a second groove are arranged on the first connecting body of the iron core tooth part, the current generated by the copper wires can be increased along the discharge path of the convex plate and the second groove, the creepage distance between the copper wires and the shell is further increased, and the invention aims to solve the problems that the copper wires on the iron core tooth part cannot be completely coated by the wound tapes and the coated silica gel, and the exposed copper wires still generate high-voltage breakdown on the metal shell, the utility model provides a motor stator subassembly can improve the copper line on the iron core tooth portion and to motor metal casing creepage distance, improves the insulating nature of motor.
2. The iron core yoke part is of an annular structure formed by connecting six core plates in series, the first clamping grooves and the second clamping grooves on every two adjacent core plate bodies on the iron core yoke part are jointly provided with the iron core tooth part, the iron core tooth part comprises the first tooth part and the second tooth part, when the stator assembly is used, a certain part is damaged, the damaged part can be independently replaced, the installation is convenient, and meanwhile, the cost is saved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a longitudinal sectional view of the present invention;
FIG. 4 is a schematic structural view of a core plate of the present invention;
FIG. 5 is a top view of the core plate of the present invention;
fig. 6 is a schematic structural view of a first tooth of the present invention;
the reference numbers in the drawings are as follows: 1 is the casing, 2 is the insulation board, 3 is the through-hole, 4 is the carrier bar, 5 is the second plate body, 6 is the pin, 7 is the core plate body, 8 is the second draw-in groove, 9 is the closing plate, 10 is first draw-in groove, 11 is first connector, 12 is the second recess, 13 is the flange, 14 is the second connector, 15 is the second elastic plate, 16 is the connecting rod, 17 is the pinion rack, 18 is first body, 20 is first slider, 21 is the second slider, 22 is first recess, 23 is the second body, 24 is the first plate body, 25 is the cardboard, 26 is first elastic plate.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 6, a stator assembly of a motor includes a housing 1 and a stator core;
the shell 1 is a cylindrical body with openings at two ends, six bearing rods 4 in an annular array form are arranged on the inner peripheral wall of the shell 1, a connecting groove is formed in each bearing rod 4, each connecting groove is a groove body with a T-shaped longitudinal section and an opening facing the central axis of the shell 1, the length of each bearing rod 4 is equal to that of the shell 1, and the front end and the rear end of each connecting groove penetrate through the front end and the rear end of the corresponding bearing rod 4;
the stator core is arranged inside the shell 1, the stator core comprises an iron core yoke part and an iron core tooth part, the iron core yoke part is of an annular structure formed by connecting six core plates in series, the structural size of each core plate is the same, each core plate comprises a core plate body 7, a limiting pipe, a connecting plate and a pin 6, the core plate body 7 is an isosceles trapezoid-shaped plate body with a narrow upper part and a wide lower part in longitudinal section, the left side and the right side of the core plate body 7 are inclined planes, the left part and the right part on the core plate body 7 are respectively provided with a first clamping groove 10 and a second clamping groove 8, the first clamping groove 10 and the second clamping groove 8 are the same in shape and size, the first clamping groove 10 and the second clamping groove 8 are groove bodies with isosceles trapezoid-shaped longitudinal sections and upward openings, the front ends and the rear ends of the first clamping groove 10 and the second clamping groove 8 are respectively penetrated through the front ends and the rear ends of the plate body 7, and the core plates 7 are spaced, the left side surface and the right side surface of the core plate body 7 are respectively provided with a semicircular first groove 22 which is sunken towards the inside of the core plate body 7 and has an outward opening, the limiting pipe is composed of a first pipe body 18 and a second pipe body 23 with the same diameter, the first pipe body 18 and the second pipe body 23 are respectively arranged in the rear part of the first groove 22 on the left side surface of the core plate body 7 and in the front part of the first groove 22 on the right side surface of the core plate body 7, the front end and the rear end of the first groove 22 on the left side surface and the right side surface of the core plate body 7 penetrate through the front end surface and the rear end surface of the core plate body 7, the distances from the central axis of the first groove 22 on the left side surface and the right side surface of the core plate body 7 to the upper surface and the lower surface of the core plate body 7 are equal, the lengths of the first pipe body 18 and the second pipe body 23 are both less than 1/2 of the length of the first groove 22, the rear end of the first pipe body 18 is flush with the rear end of the core plate body 7, the front end of the second pipe body 23 is flush with the front end of the core plate body 7, the first pipe body 18 and the second pipe body 23 are respectively arranged coaxially with the first grooves 22 on the left side and the right side of the core plate body 7, the connecting plate comprises a first plate body 24 and a second plate body 5, the first plate body 24 is a rectangular plate body which is positioned in the middle of the lower surface of the core plate body 7 and is perpendicular to the core plate body 7 and is arranged along the length direction of the core plate body, the second plate body 5 is a rectangular plate body which is connected with the end part of the first plate body 24 and is parallel to the core plate body 7, the first plate body 24 and the second plate body 5 form a T-shaped body, each core plate body 7 is respectively connected with a connecting groove on the inner peripheral wall of the shell 1, the upper surface of each core plate body 7 faces the central axis of the shell 1 and the lower surface faces the inner peripheral wall of the shell 1, the second plate body 5 on each core plate body 7 is inserted into the connecting grooves, and the left side and the right side of each two adjacent core plate bodies 7 are attached, six core plates are sequentially connected in series to form a hollow hexagonal prism which is coaxial with the shell 1, each edge on the outer peripheral wall of the hollow hexagonal prism is contacted with the inner peripheral wall of the shell 1, when the left side surface and the right side surface of every two adjacent core plate bodies 7 are jointed, the part of the first pipe body 18 on one of the two jointed side surfaces, which is positioned at the outer side of the side surface, is embedded into the first groove 22 on the other side surface, the part of the second pipe body 23 on one of the two jointed side surfaces, which is positioned at the outer side of the side surface, is embedded into the first groove 22 on the other side surface, the central axes of the first pipe body 18 and the second pipe body 23 on the side surfaces, which are jointed with each other, of every two adjacent core plate bodies 7 are overlapped, and every two adjacent core plate bodies 7 are connected through the pin 6 penetrating through the first pipe body 18 and the second pipe body 23, insulating plates 2 are filled in cavities between the outer peripheral wall of the iron core yoke and the inner peripheral wall of the shell 1;
an iron core tooth part is commonly arranged on a first clamping groove 10 and a second clamping groove 8 which are close to the joint of every two adjacent core plate bodies 7 on the iron core yoke part, the structural size of each iron core tooth part is the same, the iron core tooth part comprises a first tooth part and a second tooth part, the first tooth part comprises a first connecting body 11 and a second connecting body 14, the first connecting body 11 is a plate body with an isosceles triangle-shaped longitudinal section and inclined planes on the left side and the right side, a first sliding block 20 and a second sliding block 21 which are matched with the first clamping groove 10 and the second clamping groove 8 are respectively arranged on the left side and the right side of the first connecting body 11, a plurality of second grooves 12 which are sunken towards the inside of the first connecting body 11 and have outward openings are respectively arranged on the front side and the rear side of the first connecting body 11, and each second groove 12 is an arc-shaped groove which protrudes towards the bottom surface of the first connecting body 11, the front side and the rear side of the first connecting body 11 are provided with convex plates 13 between every two adjacent second grooves 12 on the front side and the rear side of the first connecting body 11, each convex plate 13 is an arc-shaped plate body with an arc-shaped bulge facing the bottom surface of the first connecting body 11 and an opening facing the top end of the first connecting body 11, the left end and the right end of each convex plate 13 are flush with the left side and the right side of the first connecting body 11 respectively, the second connecting body 14 is a square rod body, the second connecting body 14 is connected to the middle part of the bottom surface of the first connecting body 11, the left side and the right side of the end part of the second connecting body 14 are provided with clamping plates 25 perpendicular to the left side and the right side of the second connecting body 14, the second tooth part comprises a toothed plate 17 and an elastic plate, the toothed plate 17 is an arc-shaped plate body with an arc-shaped bulge facing the second connecting body 14 and positioned at the end part of the second connecting body 17 is an outer side, the elastic plates comprise a first elastic plate 26 and a second elastic plate 15, the first elastic plate 26 and the second elastic plate 15 are respectively arranged on the outer side surfaces of the toothed plates 17 at two sides of the second connecting body 14, the first elastic plate 26 and the second elastic plate 15 are arc-shaped plate bodies with arc bulges facing the outer side surfaces of the toothed plates 17, the outer end of the first elastic plate 26 and the outer end of the toothed plate 17 at the same side are connected with each other through a connecting rod 16 and the outer end of the second elastic plate 15 and the outer end of the toothed plate 17 at the same side, a space is formed between the first elastic plate 26 and the second elastic plate 15, the second tooth part is connected with the second connecting body 14 through a clamping plate 25 penetrating between the first elastic plate 26 and the toothed plate 17 and between the second elastic plate 15 and the toothed plate 17, a first sliding block 20 and a second sliding block 21 on the first connecting body 11 of each iron core tooth part are respectively penetrated into a first clamping groove 10 and a second clamping groove 8 which are close to the connecting part of each two adjacent plate bodies 7, the rear ends of a first sliding block 20 and a second sliding block 21 on the first connecting body 11 are respectively attached to the rear ends of a first clamping groove 10 and a second clamping groove 8, sealing plates 9 corresponding to the first clamping groove 10 and the second clamping groove 8 penetrate through the first clamping groove 10 and the second clamping groove 8 on the front side of the first sliding block 20 and the second sliding block 21 on the first connecting body 11, and the left side surface and the right side surface of the first connecting body 11 on each iron core tooth portion are attached to the inner peripheral wall of the iron core yoke portion.
Every insulating board 2 all matches with the cavity between iron core yoke portion periphery wall and the 1 interior perisporium of casing, all be provided with a plurality of through-holes 3 that run through terminal surface around the insulating board 2 on every insulating board 2.
Each insulating plate 2 is a cylindrical body made of organic fibers, and the sealing plate is a plate-shaped body made of organic fibers.
The toothed plates 17 on two sides of the second connecting body 14 are in a bilateral symmetry state, and the distance between the first elastic plate 26 and the second elastic plate 15 is greater than the width of the second connecting body 14.
There is the interval between the pinion rack 17 on every two adjacent iron core tooth portions, pinion rack 17 medial surface on every iron core tooth portion all towards 1 axis of casing, and with the casing 1 axiality.
The distance between the first elastic plate 26 and the second elastic plate 15 and the toothed plate 17 is smaller than the thickness of the clamping plate 25 on the second connecting body 14.
When the invention is used, after copper wires are wound on the second connecting body of the iron core tooth part, the outer ring of the copper wires is wound with an insulating tape or coated with silica gel, an insulating plate is arranged between the stator yoke part and the shell, each insulating plate is provided with a plurality of through holes penetrating through the front end surface and the rear end surface of the insulating plate, the through holes can enable the insulating plate to form a hollow structure, the hollow structure can prolong the discharge path of current along gas in the insulating material, so that the creepage distance between the copper wires and the shell is increased, the first connecting body of the iron core tooth part is provided with a convex plate and a second groove, the discharge path of the copper wires generated along the convex plate and the second groove can be increased, and the creepage distance between the copper wires and the shell is further increased, in order to solve the problems that the copper wires on the iron core tooth part can not be completely coated by the wound tape and the coated silica gel, and the exposed copper wires still generate high voltage to puncture the metal shell, the iron core yoke part is of an annular structure formed by connecting six core plates in series, the iron core tooth parts are jointly installed on the first clamping groove and the second clamping groove on every two adjacent core plate bodies on the iron core yoke part, and each iron core tooth part comprises the first tooth part and the second tooth part.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent or equivalent modifications or substitutions may be made within the scope of the present invention without departing from the spirit or scope of the invention.
Claims (10)
1. A motor stator assembly is characterized by comprising a shell (1) and a stator core;
the shell (1) is a cylindrical body with openings at two ends, six bearing rods (4) in an annular array form are arranged on the inner peripheral wall of the shell (1), a connecting groove is formed in each bearing rod (4), and each connecting groove is a groove body with a T-shaped longitudinal section and an opening facing the central axis of the shell (1);
stator core installs inside casing (1), stator core includes iron core yoke portion and iron core tooth portion, iron core yoke portion is the loop configuration who is established ties by six cores and forms, the structure size homogeneous phase of every core, the core includes core plate body (7), spacing pipe, connecting plate and pin (6), core plate body (7) are the isosceles trapezoid shape's of longitudinal section width under the upper and lower narrow plate body, the side is the inclined plane about core plate body (7), left part and right part above core plate body (7) do not are provided with first draw-in groove (10) and second draw-in groove (8), the shape size homogeneous phase of first draw-in groove (10) and second draw-in groove (8), first draw-in groove (10) and second draw-in groove (8) all are the longitudinal section and are trapezoidal isosceles, opening cell body up, the front end of first draw-in groove (10) and second draw-in groove (8) all runs through the front end of core plate body (7), The rear end all has the interval with the rear end of core plate body (7) between, be provided with respectively on the side of controlling of core plate body (7) to the inside sunken, opening semicircular first recess (22) outward of core plate body (7), spacing pipe comprises first body (18) and second body (23) that the diameter is the same, first body (18) and second body (23) set up respectively in first recess (22) rear portion on core plate body (7) left side and in first recess (22) front portion on core plate body (7) right flank, first body (18) and second body (23) respectively with the core plate body (7) about first recess (22) on the side coaxial arrangement, the connecting plate includes first plate body (24) and second plate body (5), first body (24) are for being located below the middle part of plate body (7), the core plate body (7), And the rectangular plate body that sets up along core plate body length direction with core plate body (7) vertically, the second plate body (5) is the rectangular plate body that connects in first plate body (24) tip, and parallel with core plate body (7), first plate body (24) and second plate body (5) constitute the T type body, the spread groove on the internal perisporium of casing (1) is connected respectively to every core plate body (7), every above the core plate body (7) towards casing (1) axis, below towards casing (1) internal perisporium, in second plate body (5) on every core plate body (7) wear to put into the spread groove, the laminating of the left and right sides of every two adjacent core plate bodies (7), six are established ties in proper order and are constituted and casing (1) coaxial hollow hexagonal prism, every edge on the outer peripheral wall of hollow hexagonal prism all contacts with the internal perisporium of casing (1), when the left side surface and the right side surface of every two adjacent core plate bodies (7) are attached, the part, located on the outer side of the side surface, of a first pipe body (18) on one of the two attached side surfaces is embedded into a first groove (22) on the other side surface, the part, located on the outer side of the side surface, of a second pipe body (23) on one of the two attached side surfaces is embedded into a first groove (22) on the other side surface, the central axes of the first pipe body (18) and the second pipe body (23) on the attached side surfaces of every two adjacent core plate bodies (7) are overlapped, every two adjacent core plate bodies (7) are connected through a pin (6) penetrating through the first pipe body (18) and the second pipe body (23), and an insulating plate (2) is filled in a cavity between the outer peripheral wall of the iron core yoke and the inner peripheral wall of the shell (1);
an iron core tooth part is commonly arranged on a first clamping groove (10) and a second clamping groove (8) which are close to the joint of every two adjacent core plate bodies (7) on the iron core yoke part, the structure size of each iron core tooth part is the same, the iron core tooth part comprises a first tooth part and a second tooth part, the first tooth part comprises a first connecting body (11) and a second connecting body (14), the first connecting body (11) is a plate body with an isosceles triangle-shaped longitudinal section and inclined planes on the left side and the right side, a first sliding block (20) and a second sliding block (21) which are matched with the first clamping groove (10) and the second clamping groove (8) are respectively arranged on the left side and the right side of the first connecting body (11), a plurality of second grooves (12) which are sunken towards the inside of the first connecting body (11) and have outward openings are respectively arranged on the front side and the back side of the first connecting body (11), and each second groove (12) is an arc-shaped groove which protrudes towards the bottom surface of the first connecting body (11), all be provided with between every two adjacent second recess (12) on the side around first connector (11) perpendicular to convex plate (13) of side around first connector (11), second connector (14) are the square body of rod, second connector (14) are connected in first connector (11) bottom surface middle part, all be provided with on the side of controlling of second connector (14) perpendicular to second connector (14) cardboard (25) of side about, second tooth portion includes pinion rack (17) and elastic plate, pinion rack (17) are for being located second connector (14) tip, the arc plate body of arc arch orientation second connector (14), pinion rack (17) are the lateral surface towards the one side of second connector, the elastic plate includes first elastic plate (26) and second elastic plate (15), first elastic plate (26) and second elastic plate (15) set up respectively in pinion rack (17) of second connector (14) both sides On the outer side surface, the first elastic plate (26) and the second elastic plate (15) are arc-shaped plate bodies with arc bulges facing the outer side surface of the toothed plate (17), the outer end of the first elastic plate (26) and the outer end of the toothed plate (17) on the same side are connected with the outer end of the second elastic plate (15) and the outer end of the toothed plate (17) on the same side through a connecting rod (16), a space is reserved between the first elastic plate (26) and the second elastic plate (15), the second tooth part penetrates between the first elastic plate (26) and the toothed plate (17) and a clamping plate (25) penetrating between the second elastic plate (15) and the toothed plate (17) to be connected with a second connecting body (14), a first sliding block (20) and a second sliding block (21) on the first connecting body (11) of each iron core tooth part are respectively inserted into a first clamping groove (10) and a second clamping groove (8) which are close to the connecting part of every two adjacent plate bodies (7), the rear end of the first sliding block (20) and the rear end of the second sliding block (21) on the first connecting body (11) are respectively attached to the rear ends of the first clamping groove (10) and the second clamping groove (8), sealing plates (9) corresponding to the first clamping groove (10) and the second clamping groove (8) are installed in the first clamping groove (10) and the second clamping groove (8) on the front side of the first sliding block (20) and the second sliding block (21) on the first connecting body (11) in a penetrating mode, and the left side face and the right side face of the first connecting body (11) on each iron core tooth portion are attached to the inner peripheral wall of the iron core yoke portion.
2. An electric machine stator assembly according to claim 1, characterized in that the length of the carrier bar (4) is equal to the length of the housing (1), and the front and rear ends of each connecting slot penetrate the front and rear ends of the carrier bar (4).
3. The stator assembly of the motor according to claim 1, wherein the front and rear ends of the first grooves (22) on the left and right side surfaces of the core plate body (7) penetrate through the front and rear end surfaces of the core plate body (7), and the distances from the central axis of the first grooves (22) on the left and right side surfaces of the core plate body (7) to the upper and lower surfaces of the core plate body (7) are equal.
4. A motor stator assembly according to claim 3, characterised in that the first tube (18) and the second tube (23) each have a length less than 1/2 of the length of the first recess (22), the rear end of the first tube (18) being flush with the rear end of the core plate body (7) and the front end of the second tube (23) being flush with the front end of the core plate body (7).
5. A motor stator assembly according to claim 1, characterized in that each insulating plate (2) is fitted into a cavity between the outer circumferential wall of the core yoke and the inner circumferential wall of the housing (1), and a plurality of through holes (3) are formed in each insulating plate (2) and penetrate through the front and rear end faces of the insulating plate (2).
6. An electric machine stator assembly according to claim 5, characterized in that each insulating plate (2) is a cylindrical body made of organic fiber, and the sealing plate is a plate body made of organic fiber.
7. The stator assembly of an electric motor according to claim 1, wherein the convex plates (13) are arc-shaped plates with arc-shaped bulges facing the bottom surface of the first connecting body (11) and openings facing the top end of the first connecting body (11), and the left and right ends of each convex plate (13) are flush with the left and right side surfaces of the first connecting body (11), respectively.
8. The stator assembly of the motor according to claim 1, wherein the tooth plates (17) at both sides of the second connection body (14) are in a left-right symmetrical state, and a space left between the first elastic plate (26) and the second elastic plate (15) is larger than the width of the second connection body (14).
9. The stator assembly of the motor according to claim 1, wherein the tooth plates (17) of every two adjacent iron core teeth are spaced from each other, and the inner side surfaces of the tooth plates (17) of every two adjacent iron core teeth face to the central axis of the housing (1) and are coaxial with the housing (1).
10. A motor stator assembly according to claim 1, characterized in that the distance between the first and second elastic plates (26, 15) and the toothed plate (17) is smaller than the thickness of the catch plate (25) on the second connecting body (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329117.6A CN112398244B (en) | 2020-11-24 | 2020-11-24 | Motor stator assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329117.6A CN112398244B (en) | 2020-11-24 | 2020-11-24 | Motor stator assembly |
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| CN112398244B true CN112398244B (en) | 2021-07-23 |
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| CN112944911B (en) * | 2021-03-11 | 2022-02-18 | 江苏宏大特种钢机械厂有限公司 | Combined type rack plate subassembly for belt roaster |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6756713B2 (en) * | 2002-02-07 | 2004-06-29 | Ametek, Inc. | Insulated stator core with attachment features |
| CN101752928A (en) * | 2008-12-05 | 2010-06-23 | 德昌电机(深圳)有限公司 | Electric machine stator component and electric machine |
| CN101764451B (en) * | 2009-12-25 | 2014-04-09 | 广东瑞荣泵业有限公司 | Manufacturing method of stator structure of submersible motor |
| DE102012010234A1 (en) * | 2012-05-24 | 2013-11-28 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Stator system for an electric motor |
| CN104113149B (en) * | 2013-08-15 | 2016-11-16 | 广东威灵电机制造有限公司 | Motor stator component and assembly method thereof and motor |
| CN203607936U (en) * | 2013-11-20 | 2014-05-21 | 中山大洋电机股份有限公司 | Strip stator iron core and plastic sealing motor applied in same |
| CN204497876U (en) * | 2015-02-17 | 2015-07-22 | 中山大洋电机制造有限公司 | A kind of motor |
| CN105429320A (en) * | 2015-12-01 | 2016-03-23 | 江门市蓬江区硕泰电器有限公司 | Stator core, water pump and production method of stator core |
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