CN208608860U - A kind of plastic packaging motor with assembled piece type stator iron core - Google Patents
A kind of plastic packaging motor with assembled piece type stator iron core Download PDFInfo
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- CN208608860U CN208608860U CN201821330042.1U CN201821330042U CN208608860U CN 208608860 U CN208608860 U CN 208608860U CN 201821330042 U CN201821330042 U CN 201821330042U CN 208608860 U CN208608860 U CN 208608860U
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Abstract
The utility model relates to a kind of plastic packaging motors with assembled piece type stator iron core, including plastic packaging stator assembly, rotor assembly, casing, conductive end cap, grounding pin, ground line, plastic packaging stator assembly includes stator module and plastic packaging shell, plastic packaging shell is wrapped in outside stator module, and stator module includes the enameled wire of assembled piece type stator iron core, multipair preceding insulation framework and rear insulation framework, solderless wrapped connection;Assembled piece type stator iron core and insulation framework are placed in plastic packaging shell through enameled wire winding;Plastic packaging stator assembly is placed in casing, the tail end insertion plastic packaging shell setting of grounding pin, so that the tail end of the grounding pin is in contact with assembled piece type stator iron core, the front end of grounding pin is in contact with the inner wall of conductive end cap, it is grounded and is connected with the outside of conductive end cap, so that the shaft voltage generated on assembled piece type stator iron core can access ground return circuit by ground line, to achieve the purpose that reduce shaft voltage.
Description
Technical field
The utility model relates to motor device technical field, especially a kind of plastic packaging electricity with assembled piece type stator iron core
Machine.
Background technique
Plastic packaging motor is that the stator core of motor, winding etc. are carried out whole envelope with engineering plastics using plastic package technology
Dress, can cancel the metal chassis of traditional motor stator insulated treatment process and ordinary motor.This small and special electric machine dust catcher,
The household electrical appliance such as smoke exhaust ventilator, air-conditioning, washing machine and instrument are applied on blower.Both at home and abroad to the development and production of plastic packaging motor
Increasingly pay attention to, its promise well due to having metal shell motor unexistent series of advantages;Since plastic packaging motor uses plastic packaging knot
Structure, plastic packaging rear surface are non-magnet material, and cutting stator after p-m rotor operating generates the induced voltage of different frequency, these
Voltage does not have circuit that can not flow into the earth in non-magnetic structure, more non-uniform magnetic field occurs in magnetic circuit, constantly in magnetic circuit
Middle alternation cutting, generates voltage, i.e. shaft voltage between motor reel both ends or between shaft and bearing block.Generate shaft voltage
The main reason for be due to caused by uneven around the magnetic circuit of motor reel, this unbalanced magnetic flux cuts shaft, just exists
The both ends of axis induce shaft voltage.Shaft voltage not only influences the service life of bearing by shaft, while also will affect motor
How noise specification reduces the shaft voltage of plastic packaging motor, is those skilled in the art's technical problem urgently to be solved.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of structures is simple, can reduce shaft voltage there is assembled piece type
The plastic packaging motor of stator core.
In order to solve the above technical problems, the plastic packaging motor provided by the utility model with assembled piece type stator iron core, comprising:
Plastic packaging stator assembly, rotor assembly, casing, conductive end cap, grounding pin, ground line, the plastic packaging stator assembly includes stator pack
Part and plastic packaging shell, the plastic packaging shell are wrapped in outside stator module, and the stator module includes assembled piece type stator iron core, multipair
The enameled wire of preceding insulation framework and rear insulation framework, solderless wrapped connection, before each preceding insulation framework is nested in the assembled piece type stator iron core
End, rear insulation framework are nested in the rear end of the assembled piece type stator iron core, and enameled wire solderless wrapped connection is in forward and backward insulation framework;Piece
Formula stator core and insulation framework are placed in plastic packaging shell through enameled wire winding;The plastic packaging stator assembly is placed in the casing
It is interior, and the tail end sealing of the tail end of the plastic packaging shell and the casing cooperates, the front end of the conduction end cap and the casing
Sealing cooperation, the rotor assembly includes rotor and the shaft for being fixed at the two ends of rotor, and the rotor is rotatably set
It sets in the plastic packaging stator assembly, the shaft at both ends stretches out the plastic packaging shell and conductive end cap setting respectively;The ground connection
The tail end of needle is inserted into the plastic packaging shell setting, so that the tail end of the grounding pin is in contact with the assembled piece type stator iron core, connects
The front end of ground needle is in contact with the inner wall of the conductive end cap, and the ground line is connected with the outside of conductive end cap, so that piece
The shaft voltage generated on formula stator core can access ground return circuit by ground line, to achieve the purpose that reduce shaft voltage.
Further, the assembled piece type stator iron core includes the stator that multi-blocked structure is identical, along the circumferential direction split is connected
Iron core block, if each stator core block is formed by dry plate stator punching riveted;Female plug hole, the mother is arranged in the side of the stator punching
The two sides setting limit lug of jack openings, so that the C-shaped setting in female plug hole;The stator punching the other side setting with
The compatible circular male plug piece in the female plug hole, the diameter of the male plug piece is greater than the spacing between two limit lugs, described
The side of male plug piece and the stator punching, which are integrally formed, to be arranged, so that the two of the male plug piece and the stator punching connecting place
Side forms V-shaped gap compatible with the limit lug, and the stator punching riveted is overlapped at male plug piece after stator core block
Form cylindricality male plug, V-shaped gap forms V-arrangement crack, and female plug hole forms female plug slot, limit lug congruent form at positive stop lug boss,
The male plug of stator core block is axially inserted into the female plug slot of adjacent stator core block when assembly, positive stop lug boss and V-arrangement crack
Limit cooperation is carried out, stator core block is avoided to move and fall off in the circumferential.
Further, the front end camber transition of the limit lug, avoids the formation of wedge angle, and moulding mutually scratches when assembly.
Further, the stator punching includes the interior ring plate for being integrally formed setting, radially connected and outer ring plate, so that fixed
Sub- punching is in I-shaped setting, and the inner side and outer side of stator punching is convexly curved.
Further, it is set between the tail end and the casing of the plastic packaging shell, between the conductive end cap and the casing
Shock absorbing ring is set, to improve the stability of plastic packaging motor.
Further, ring-shaped step is arranged in the leading inside of the plastic packaging shell, and the ring-shaped step and conducting end are covered and set
Multiple compatible threaded connection holes are set, so that the conducting wire end cap and the plastic packaging shell can be connected through external copper screw cap
It connects, is easily installed.
Further, the plastic packaging shell, which is equipped with, is suitable for the grounding pin jack that the grounding pin passes through, the grounding pin jack
It is extended in plastic packaging shell by the front end face of plastic packaging shell along the side wall of the ring-shaped step, so that the grounding pin can be along annular
It is in contact in the side wall insertion plastic packaging shell of step with assembled piece type stator iron core.
Further, the plastic packaging motor with assembled piece type stator iron core further includes conductive seat, and the casing is arranged described
On conductive seat, the ground line is connected with the conductive seat, the conductive seat and ground face contact, to be grounded,
It is easily assembled.
The technical effect of utility model: the plastic packaging motor with assembled piece type stator iron core of the utility model, relative to existing
There is technology, by the way that the grounding pin being in contact with assembled piece type stator iron core is arranged, and by conductive end cap, ground line by it and greatly
Connection, is formed into a loop between assembled piece type stator iron core and the earth, can effectively reduce the shaft voltage on assembled piece type stator iron core;It connects
Ground needle jack is arranged along the side wall of ring-shaped step, so that grounding pin can be inserted into plastic packaging shell along its side wall, convenient for assembly, while by
Side wall forms support to ground connection needle, and sound construction is easy to grounding pin carrying out contact with conductive end cap to be connected, can prevent grounding pin
With conductive end cap poor contact;The stator punching connection type mating using male plug piece and female plug hole, and pass through limit convex
The setting of piece, so that the male plug and female plug slot that are formed can only carry out mating, positive stop lug boss and V after the completion of grafting along axial
The mutually limitation of clevis seam, adjacent stator core block can not move in the circumferential, since stator core block pieces together stator core
After need to wind enameled wire, therefore need not worry that adjacent stator core block is mutually shifted in the axial direction or misplaces.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings of the specification:
Fig. 1 is the schematic diagram of the section structure for the plastic packaging motor that the utility model has assembled piece type stator iron core;
Fig. 2 is the right view for the plastic packaging motor that the utility model has assembled piece type stator iron core;
Fig. 3 is the schematic perspective view of the plastic packaging stator assembly of the utility model;
Fig. 4 is the schematic diagram of the section structure of the plastic packaging stator assembly of the utility model;
Fig. 5 is the configuration schematic diagram of the plastic packaging stator assembly of the utility model;
Fig. 6 is the axial arrangement schematic diagram of the assembled stator iron core of the utility model;
Fig. 7 is the structural schematic diagram of the stator punching of the utility model.
In figure: casing 1, rotor assembly 2, rotor 21, assembled piece type stator iron core 3, outer ring plate 30, male plug piece 301, female plug hole
302, rivet hole 303, location hole 304, inner groovy 305, limit lug 306, V-shaped gap 307, interior ring plate 31, radially connected
32, around line chamber 33, preceding insulation framework 34, rear insulation framework 35, contact pin mounting plate 36, contact pin 37, plastic packaging shell 4, grounding pin insert
Hole 41, ring-shaped step 42, threaded connection hole 43, grounding pin 44, conductive seat 5, axis hole BB lid 6, ball bearing 7, shock absorbing ring 8,
Conductive end cap 9, ground line 91.
Specific embodiment
As shown in Figure 1 to Figure 2, the plastic packaging motor with assembled piece type stator iron core of the present embodiment includes plastic packaging to embodiment 1
Field frame assembly, rotor assembly 2, casing 1, conductive end cap 9, grounding pin 44, ground line 91.
Wherein plastic packaging stator assembly includes stator module and plastic packaging shell 4, and plastic packaging shell 4 is wrapped in outside stator module, fixed
Sub-component includes the enameled wire of assembled piece type stator iron core 3, the preceding insulation framework 34 being arranged in pairs and rear insulation framework 35, solderless wrapped connection,
As shown in fig. 6, wherein if assembled piece type stator iron core 3 is by the connected group of the identical stator core block along the circumferential direction split of stem structure
At if each stator core block is formed by dry plate stator punching riveted;As shown in fig. 7, stator punching includes that integrated punching molding obtains
Interior ring plate 31, radially connected 32 and outer ring plate 30, the outer middle side part phase of radially connected 32 tail end and interior ring plate 31
Even, radially connected 32 front end be connected with the middle inside of outer ring plate 30, so that stator punching is in I-shaped setting, and stator
The inner side and outer side of punching is convexly curved;Female plug hole 302, the two sides of the female plug hole 302 opening are arranged in the left end of outer ring plate 30
Setting limit lug 306, so that the C-shaped setting in female plug hole 302;The right end setting of outer ring plate 30 is compatible with female plug hole 302
Circular male plug piece 301, the diameter of male plug piece 301 are greater than the spacing between two limit lugs 306, and the side of male plug piece 301
It is integrally formed and is arranged with outer ring plate 30, so that the two sides of male plug piece 301 and 30 connecting place of outer ring plate are formed and limit 306 phase of lug
The V-shaped gap 307 of adaptation, stator punching riveted overlap at male plug piece 301 after stator core block and form cylindricality male plug, between V-arrangement
Gap 307 forms V-arrangement crack, and female plug hole 302 forms female plug slot, and the limit overlapping of lug 306 forms positive stop lug boss, stator iron when assembly
The male plug of pellet is axially inserted into the female plug slot of adjacent stator core block, and positive stop lug boss and V-arrangement crack carry out limit cooperation,
It avoids stator core block from moving and fall off in the circumferential, is formed between adjacent stator core block around line chamber 33;Each preceding insulation framework
34 are nested in the front end of assembled piece type stator iron core 3, and rear insulation framework 35 is nested in the rear end of assembled piece type stator iron core 3, enameled wire
Solderless wrapped connection in preceding insulation framework 34, in line chamber 33, rear insulation framework 35, to form stator module.
As shown in Figures 3 to 5, when plastic packaging stator general assembly, stator module processes plastic packaging on its surface by injection molding machine
Shell 4, so that stator module is placed in plastic packaging shell 4;Ring-shaped step 42, ring-shaped step is arranged in the leading inside of plastic packaging shell 4
The contact pin connecting plate 36 for installing contact pin 37 is fixedly installed on 42, so that contact pin 37 can be conveniently installed at contact pin connecting plate 36
On, one end of contact pin 37 and external power electric connection, the other end are connected with enameled wire, so that enameled wire can after power supply conducting
Form hot-wire coil;Plastic packaging shell 4, which is equipped with, is suitable for the grounding pin jack 41 that grounding pin 44 passes through, and the grounding pin jack 41 is by moulding
The front end face of capsule body 4 extends in plastic packaging shell 4 along the side wall of ring-shaped step 42, so that grounding pin 41 can be along ring-shaped step 42
Side wall insertion plastic packaging shell 4 in be in contact with assembled piece type stator iron core.
Plastic packaging stator assembly is placed in casing 1, and tail end sealing of the tail end of plastic packaging shell 4 through axis hole BB lid 6 Yu casing 1
The forward end seal of cooperation, conductive end cap 9 and casing 1 cooperates, and rotor assembly 2 includes rotor 21 and is fixed at 21 both ends of rotor
Shaft, the shaft of 21 front end of rotor is rotatably assorted through ball bearing 7 and conductive end cap 9, and the shaft of 21 tail end of rotor is through ball
Bearing 7 and axis hole BB lid 6 is rotatably assorted, so that rotor 21 is rotatably provided in plastic packaging stator assembly, and the shaft at both ends point
It Shen Chu not plastic packaging shell 4 and the conductive setting of end cap 9;The tail end of grounding pin 44 is inserted into plastic packaging shell 4 along grounding pin jack 41 and is arranged,
And the front end of grounding pin 44 is in contact with the inner wall of conductive end cap 9, ground line 91 is connected with the outer wall of conductive end cap 9, so as to spell
The shaft voltage generated on piece type stator iron core 3 can be by 91 access ground return circuit of ground line, to achieve the purpose that reduce shaft voltage.
Preferably, 3 compatible threaded connection holes 43 are arranged on ring-shaped step 42 and conductive end cap 6, so that conducting wire
End cap 9 and plastic packaging shell 4 can be attached through external copper screw cap, be easily installed.
Preferably, shock absorbing ring 8 is set between the tail end and casing 1 of plastic packaging shell 4, between conductive end cap 9 and casing 1,
To improve the stability of plastic packaging motor.
Preferably, the plastic packaging motor with assembled piece type stator iron core further includes conductive seat 5, casing 1 is arranged in conduction
On pedestal 5, ground line 91 is connected through Cross Recess Head Screw with conductive seat 5, conductive seat 5 and ground face contact, to realize
Ground connection, is easily assembled.
Preferably, the front end camber transition of limit lug 306, avoids the formation of wedge angle, moulding is mutually scratched when assembly.
Preferably, location hole 304 is arranged on the outside of the middle part of outer ring plate 30, so that stator punching riveted is at stator core block
Location hole overlapping becomes locating slot afterwards, and locating slot is when stator core block pieces together stator core, carries out coiling for positioning.
Preferably, on outer ring plate 30, the two sides of location hole 304 be equipped with inner groovy 305, to mitigate the weight of outer ring plate 30
Amount, and then reduce the overall weight of stator core.
Preferably, the two sides of outer ring plate 30 be respectively arranged to insertion riveted nail rivet hole 303, radially connected 32
Tail portion on rivet hole is equally set so that each rivet hole 303 is distributed in T font, the distance between 3 rivet holes 303 are equal.
Obviously, above-described embodiment is merely examples for clearly illustrating the present invention, and is not to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the protection scope of the utility model
Among.
Claims (8)
1. a kind of plastic packaging motor with assembled piece type stator iron core characterized by comprising plastic packaging stator assembly, rotor assembly,
Casing, conductive end cap, grounding pin, ground line, the plastic packaging stator assembly includes stator module and plastic packaging shell, the plastic packaging shell
Body is wrapped in outside stator module, the stator module include assembled piece type stator iron core, multipair preceding insulation framework and rear insulation framework,
The enameled wire of solderless wrapped connection, each preceding insulation framework are nested in the front end of the assembled piece type stator iron core, and rear insulation framework is nested in described
The rear end of assembled piece type stator iron core, enameled wire solderless wrapped connection is in forward and backward insulation framework;Assembled piece type stator iron core and insulation framework are through painting
Envelope curve winding is placed in plastic packaging shell;The plastic packaging stator assembly is placed in the casing, and the tail end of the plastic packaging shell
Cooperate with the tail end sealing of the casing, the forward end seal of the conduction end cap and the casing cooperates, the rotor assembly packet
Rotor and the shaft for being fixed at the two ends of rotor are included, the rotor is rotatably provided in the plastic packaging stator assembly,
The shaft at both ends stretches out the plastic packaging shell and conductive end cap setting respectively;The tail end of the grounding pin is inserted into the plastic packaging shell
Setting, so that the tail end of the grounding pin is in contact with the assembled piece type stator iron core, the front end of grounding pin and the conductive end cap
Inner wall be in contact, it is described ground line with conduction end cap outside be connected so that the shaft voltage generated on assembled piece type stator iron core
Ground return circuit can be accessed by ground line.
2. the plastic packaging motor according to claim 1 with assembled piece type stator iron core, which is characterized in that the assembled piece type is fixed
Sub- iron core includes the stator core block that multi-blocked structure is identical, along the circumferential direction split is connected, if each stator core block is by dry plate
Stator punching riveted forms;Female plug hole is arranged in the side of the stator punching, and the two sides setting of mother's jack openings limits lug,
So that the C-shaped setting in female plug hole;Circular public affairs compatible with the female plug hole are arranged in the other side of the stator punching
Inserted sheet, the diameter of the male plug piece are greater than the spacing between two limit lugs, the side of the male plug piece and the stator punching
It is integrally formed setting, is adapted so that the male plug piece is formed with the two sides of the stator punching connecting place with the limit lug
V-shaped gap, the stator punching riveted overlaps to form cylindricality male plug at male plug piece after stator core block, and V-shaped gap forms V
Clevis seam, female plug hole form female plug slot, and limit lug congruent form is at positive stop lug boss, and the male plug of stator core block is along axis when assembly
Into the female plug slot of insertion adjacent stator core block, positive stop lug boss and V-arrangement crack carry out limit cooperation.
3. the plastic packaging motor according to claim 2 with assembled piece type stator iron core, which is characterized in that the stator punching
Including being integrally formed the interior ring plate being arranged, radially connected and outer ring plate, so that stator punching is in I-shaped setting, and stator is rushed
The inner side and outer side of piece is convexly curved.
4. the plastic packaging motor according to claim 3 with assembled piece type stator iron core, which is characterized in that the limit lug
Front end camber transition.
5. the plastic packaging motor according to claim 1 with assembled piece type stator iron core, which is characterized in that the plastic packaging shell
Tail end and the casing between, between the conductive end cap and the casing shock absorbing ring is set.
6. the plastic packaging motor according to claim 1 with assembled piece type stator iron core, which is characterized in that the plastic packaging shell
Leading inside ring-shaped step is set, the ring-shaped step and conducting end cover the multiple compatible threaded connection holes of setting.
7. the plastic packaging motor according to claim 6 with assembled piece type stator iron core, which is characterized in that the plastic packaging shell
It is equipped with and is suitable for the grounding pin jack that the grounding pin passes through, the grounding pin jack is by the front end face of plastic packaging shell along the annular
The side wall of step extends in plastic packaging shell, so that the grounding pin can be inserted into plastic packaging shell and spelling along the side wall of ring-shaped step
Piece type stator iron core is in contact.
8. the plastic packaging motor according to claim 1 with assembled piece type stator iron core, which is characterized in that further include conductive bottom
Seat, the casing are arranged on the conductive seat, and the ground line is connected with the conductive seat, the conductive seat and
Ground face contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821330042.1U CN208608860U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor with assembled piece type stator iron core |
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CN201821330042.1U CN208608860U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor with assembled piece type stator iron core |
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CN208608860U true CN208608860U (en) | 2019-03-15 |
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CN201821330042.1U Active CN208608860U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor with assembled piece type stator iron core |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108768091A (en) * | 2018-08-16 | 2018-11-06 | 江苏曼淇威电气产品有限公司 | A kind of plastic packaging motor with assembled piece type stator iron core |
CN109854475A (en) * | 2019-04-04 | 2019-06-07 | 河北国创石油设备有限公司 | A kind of straight line latent oil lifting unit |
-
2018
- 2018-08-16 CN CN201821330042.1U patent/CN208608860U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108768091A (en) * | 2018-08-16 | 2018-11-06 | 江苏曼淇威电气产品有限公司 | A kind of plastic packaging motor with assembled piece type stator iron core |
CN108768091B (en) * | 2018-08-16 | 2023-11-21 | 江苏曼淇威电气产品有限公司 | Plastic package motor with split type stator core |
CN109854475A (en) * | 2019-04-04 | 2019-06-07 | 河北国创石油设备有限公司 | A kind of straight line latent oil lifting unit |
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