CN208489772U - A kind of plastic packaging motor - Google Patents
A kind of plastic packaging motor Download PDFInfo
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- CN208489772U CN208489772U CN201821330078.XU CN201821330078U CN208489772U CN 208489772 U CN208489772 U CN 208489772U CN 201821330078 U CN201821330078 U CN 201821330078U CN 208489772 U CN208489772 U CN 208489772U
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- plastic packaging
- bar shaped
- stator core
- stator
- shaped stator
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Abstract
The utility model relates to a kind of plastic packaging motors, including casing, the plastic packaging stator assembly being fixed in casing, the rotor assembly being rotatably assorted with plastic packaging stator assembly, plastic packaging stator assembly includes plastic packaging shell and is placed in the intracorporal stator module of plastic packaging shell, and stator module includes the enameled wire of bar shaped stator core, multipair preceding insulation framework and rear insulation framework, solderless wrapped connection；It further include conductive end cap, ground line, the axially projecting setting grounding pin in the front end of bar shaped stator core, grounding pin jack is set on plastic packaging shell, so that the front end of grounding pin is in contact with the inner wall of conductive end cap when bar shaped stator core is placed in plastic packaging shell, it is grounded and is connected with the outer wall of conductive end cap, so that the shaft voltage generated on bar shaped stator core can access ground return circuit by ground line.
Description
Technical field
The utility model relates to motor device technical field, especially a kind of plastic packaging motor.
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.
Since plastic packaging motor uses plastic package structure, plastic packaging rear surface is non-magnet material, and it is fixed to cut after p-m rotor operating
Son generates the induced voltage of different frequency, these voltages do not have circuit that can not flow into the earth in non-magnetic structure, goes out in magnetic circuit
Existing more non-uniform magnetic field, constantly alternation is cut in magnetic circuit, between motor reel both ends or shaft and bearing block it
Between generate voltage, i.e. shaft voltage.Shaft voltage not only influences the service life of bearing by shaft, while also will affect making an uproar for motor
How sound index reduces the shaft voltage of plastic packaging motor, is those skilled in the art's technical problem urgently to be solved.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of structures simply, can reduce the plastic packaging motor of shaft voltage.
In order to solve the above technical problems, plastic packaging motor provided by the utility model, comprising: casing, be fixed at it is described
Plastic packaging stator assembly in casing, the rotor assembly being rotatably assorted with the plastic packaging stator assembly, the plastic packaging stator assembly packet
It includes plastic packaging shell and is placed in the intracorporal stator module of plastic packaging shell, before the stator module includes bar shaped stator core, is multipair
The enameled wire of insulation framework and rear insulation framework, solderless wrapped connection, after the bar shaped stator core is by several bar shaped stator punching riveteds
Full circle forms；The bar shaped stator punching includes multiple I-shaped punching sheet units, and each I-shaped punching sheet unit includes whole outer ring
Ring plate in piece, radially connected and arc is fixedly linked between whole outer ring plate of adjacent I-shaped punching sheet unit, whole outer ring
The junction setting bending hole and tapered indentations of piece, there are gaps between adjacent arc inner ring piece, so that the bar shaped stator rushes
It can bend inwards along bending hole and tapered indentations after piece riveted and carry out full circle；It further include conductive end cap, ground line, the bar shaped is fixed
Grounding pin jack is arranged on the plastic packaging shell for the axially projecting setting grounding pin in the front end of sub- iron core, so that the bar shaped is fixed
Sub- iron core is in contact the front end of the grounding pin when being placed in the plastic packaging shell with the inner wall of the conductive end cap, the ground connection
Line is connected with the outer wall of conductive end cap, so that the shaft voltage generated on bar shaped stator core can access ground return circuit by ground line,
To achieve the purpose that reduce shaft voltage.
Further, interior concane gap is arranged in the inside of ring plate in the arc, determines so that the stator punching riveted is in strip
Inner groovy is formed in the inner sidewall of bar shaped stator core after sub- iron core, mitigates bar shaped stator core weight.
Further, the radially connected both ends are respectively arranged to the rivet hole of insertion riveted nail, the rivet hole
It is rounded, convenient for multiple bar shaped stator punchings are carried out riveting fixation.
Further, the preceding insulation framework is nested in the front end of the bar shaped stator core, and rear insulation framework is nested in institute
The rear end of bar shaped stator core is stated, enameled wire solderless wrapped connection is in forward and backward insulation framework.
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 grounding pin jack extends to plastic packaging along the side wall of the ring-shaped step by the front end face of plastic packaging shell
In shell, it is in contact so that the grounding pin can be stretched out along the side wall of ring-shaped step with the conductive end cap.
Further, the plastic packaging motor that can reduce shaft voltage further includes conductive seat, and the casing setting is at the conductive bottom
On seat, the ground line is connected with the conductive seat, and the conductive seat and ground face contact are easy to fill to be grounded
Match.
The technical effect of utility model: the plastic packaging motor of the utility model, compared with the existing technology, by bar shaped nail
Iron core protrudes above the grounding pin that setting is in contact with conductive end cap, and is connected to it with the earth by ground line, in bar shaped stator
It is formed into a loop between iron core and the earth, can effectively reduce the shaft voltage on bar shaped stator core；Grounding pin jack is along ring-shaped step
Side wall setting convenient for assembly, while ground connection needle is formed by side wall so that grounding pin can stretch out plastic packaging shell along its side wall
Support, sound construction are easy to grounding pin carrying out contact with conductive end cap to be connected, can prevent grounding pin from contacting not with conductive end cap
It is good.
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 of the utility model plastic packaging motor；
Fig. 2 is the right view of the utility model plastic packaging motor；
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 structural schematic diagram after the bar shaped stator core expansion of the utility model；
Fig. 7 is the structural schematic diagram of the bar shaped stator punching of the utility model.
In figure: casing 1, rotor assembly 2, rotor 21, bar shaped stator core 3, whole outer ring plate 30, male plug piece 301, female plug
Hole 302, rivet hole 303, bending hole 304, tapered indentations 305, ring plate 31 in arc, inner groovy 311 are radially connected 32, preceding
Insulation framework 34, rear insulation framework 35, contact pin mounting plate 36, contact pin 37, plastic packaging shell 4, grounding pin jack 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 connects
Ground wire 91.
Specific embodiment
Embodiment 1 as shown in Figure 1 to Figure 2, the plastic packaging motor of the present embodiment include plastic packaging stator 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 bar shaped stator core 3, the preceding insulation framework 34 being arranged in pairs and rear insulation framework 35, solderless wrapped connection.
As shown in Figure 6 and Figure 7, wherein bar shaped stator core 3 is formed by full circle after several bar shaped stator punching riveteds；Item
Shape stator punching includes 12 I-shaped punching sheet units, and each I-shaped punching sheet unit includes whole outer ring plate 30, radially connected
32 and arc in ring plate 31, the outer middle side part of ring plate 31 in radially connected 32 tail end and arc of each I-shaped punching sheet unit
It is connected, radially connected 32 front end is connected with the middle inside of whole outer ring plate 30, so that it is in I-shaped setting；Adjacent work
It is fixedly linked between whole outer ring plate 30 of font punching sheet unit, and 304 He of bending hole is arranged in the junction of whole outer ring plate 30
Tapered indentations 305, there are gaps between adjacent arc inner ring piece 31, and wherein the I-shaped punching sheet unit of the two of left and right ends is whole
Compatible male plug piece 301 and female plug hole 302 is respectively set in the outboard end of outer ring plate 30, and stator punching riveted is in strip stator
The overlapping of male plug piece 301 forms cylindricality male plug after iron core, and female plug hole 302 forms female plug slot, the bar shaped stator core warp after riveted
Cylindrical plug is inserted into female plug slot after crossing full circle, is formed around line chamber, respectively between radially connected 32 of adjacent I-shaped punching sheet unit
Preceding insulation framework 34 is nested in the front end of bar shaped stator core, and rear insulation framework 35 is nested in the rear end of bar shaped stator core, paint
Envelope curve solderless wrapped connection in preceding insulation framework 34, in line chamber, rear insulation framework 35, coiling complete bar shaped stator punching riveted after can edge
Bending hole 304 and tapered indentations 305, which bend inwards, carries out full circle, to obtain columnar bar shaped stator core, bar shaped stator core
The axially projecting setting grounding pin in front end, grounding pin jack 41 is set on plastic packaging shell 4, and grounding pin stretches out grounding pin jack and sets
It sets.
As shown in Figures 3 to 5, when plastic packaging stator general assembly, added by injection molding machine on its surface by the stator module 3 obtained
Work goes out plastic packaging shell 4, so that stator module 3 is placed in plastic packaging shell 4；Ring-shaped step 42 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 ring-shaped step 42, so that contact pin 37 can be conveniently installed at contact pin
On connecting plate 36, one end of contact pin 37 and external power electric connection, the other end are connected with enameled wire, so that after power supply conducting
Enameled wire can form hot-wire coil.
Grounding pin jack 41 is extended in plastic packaging shell 4 by the front end face of plastic packaging shell 4 along the side wall of ring-shaped step 42, with
Grounding pin 41 is stretched out can along the side wall of ring-shaped step 42 outside plastic packaging shell 4 to be arranged.
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 stretches out 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 that item
The shaft voltage generated on shape stator core 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, plastic packaging motor further includes conductive seat 5, casing 1 is arranged on conductive seat 5, and ground line 91 is through ten
Word slot pan head screw is connected with conductive seat 5, and conductive seat 5 and ground face contact are easily assembled with being grounded.
Preferably, interior concane gap 311 is arranged in the inside of ring plate 31 in arc, so that stator punching riveted is in strip stator
Inner groovy 311 is formed in the inner sidewall of bar shaped stator core 3 after iron core 3, mitigates bar shaped stator core weight.
Preferably, radially connected 32 both ends are respectively arranged to the rivet hole 303 of insertion riveted nail, rivet hole
303 is rounded, convenient for multiple bar shaped stator punchings are carried out riveting fixation.
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 characterized by comprising casing, the plastic packaging stator assembly being fixed in the casing, with
The rotor assembly that the plastic packaging stator assembly is rotatably assorted, the plastic packaging stator assembly include plastic packaging shell and are placed in the plastic packaging
The intracorporal stator module of shell, the stator module include bar shaped stator core, multipair preceding insulation framework and rear insulation framework, solderless wrapped connection
Enameled wire, the bar shaped stator core forms by full circle after several bar shaped stator punching riveteds；The bar shaped stator punching
Including multiple I-shaped punching sheet units, each I-shaped punching sheet unit includes whole outer ring plate, ring plate in radially connected and arc,
It is fixedly linked between whole outer ring plate of adjacent I-shaped punching sheet unit, the junction setting bending hole of whole outer ring plate and taper
Notch, there are gaps between adjacent arc inner ring piece, so as to can lack along bending hole and taper after the bar shaped stator punching riveted
Mouth, which bends inwards, carries out full circle；It further include conductive end cap, ground line, the axially projecting setting in front end of the bar shaped stator core
Grounding pin grounding pin jack is arranged on the plastic packaging shell, when so that the bar shaped stator core being placed in the plastic packaging shell
The front end of the grounding pin is in contact with the inner wall of the conductive end cap, and the ground line is connected with the outer wall of conductive end cap, with
Make the shaft voltage generated on bar shaped stator core that can access ground return circuit by ground line.
2. plastic packaging motor according to claim 1, which is characterized in that interior notch is arranged in the inside of ring plate in the arc
Mouthful, so that the stator punching riveted, which is in strip after stator core, forms inner groovy in the inner sidewall of bar shaped stator core.
3. plastic packaging motor according to claim 1, which is characterized in that the radially connected both ends are respectively arranged to
It is inserted into the rivet hole of riveted nail, the rivet hole is rounded.
4. plastic packaging motor according to claim 1, which is characterized in that the preceding insulation framework is nested in the bar shaped stator
The front end of iron core, rear insulation framework are nested in the rear end of the bar shaped stator core, and enameled wire solderless wrapped connection is in forward and backward insulation framework
On.
5. plastic packaging motor according to claim 1, which is characterized in that the tail end of the plastic packaging shell and the casing it
Between, between the conductive end cap and the casing shock absorbing ring is set.
6. plastic packaging motor according to claim 1, which is characterized in that annular table is arranged in the leading inside of the plastic packaging shell
Rank, the ring-shaped step and conducting end cover the multiple compatible threaded connection holes of setting.
7. plastic packaging motor according to claim 6, which is characterized in that the grounding pin jack by plastic packaging shell front end face
Side wall along the ring-shaped step extends in plastic packaging shell, so that the grounding pin can stretch out plastic packaging along the side wall of ring-shaped step
Shell is in contact with conductive end cap.
8. plastic packaging motor according to claim 1, which is characterized in that further include conductive seat, the casing is arranged in institute
It states on conductive seat, 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 |
|---|---|---|---|
| CN201821330078.XU CN208489772U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330078.XU CN208489772U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489772U true CN208489772U (en) | 2019-02-12 |
Family
ID=65247821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821330078.XU Active CN208489772U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429766A (en) * | 2019-08-23 | 2019-11-08 | 珠海格力电器股份有限公司 | motor grounding structure and motor |
-
2018
- 2018-08-16 CN CN201821330078.XU patent/CN208489772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429766A (en) * | 2019-08-23 | 2019-11-08 | 珠海格力电器股份有限公司 | motor grounding structure and motor |
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