CN109167457A - A kind of end cover for motor and the washing machine with it - Google Patents
A kind of end cover for motor and the washing machine with it Download PDFInfo
- Publication number
- CN109167457A CN109167457A CN201811206660.XA CN201811206660A CN109167457A CN 109167457 A CN109167457 A CN 109167457A CN 201811206660 A CN201811206660 A CN 201811206660A CN 109167457 A CN109167457 A CN 109167457A
- Authority
- CN
- China
- Prior art keywords
- metal plate
- end cover
- plastic packaging
- plate bracket
- bearing chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005406 washing Methods 0.000 title claims description 7
- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000004033 plastic Substances 0.000 claims abstract description 40
- 229920003023 plastic Polymers 0.000 claims abstract description 40
- 238000004806 packaging method and process Methods 0.000 claims abstract description 26
- 238000001746 injection moulding Methods 0.000 claims abstract description 14
- 239000005022 packaging material Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007373 indentation Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of end cover for motor, including metal plate bracket and plastic packaging BMC shell, the plastic packaging BMC shell includes housing bottom and bearing chamber, the bearing chamber is the direct injection molding of BMC material, several through-holes are provided on the metal plate bracket, between housing bottom and bearing chamber, plastic packaging material passes through connection before and after the through-hole for the metal plate bracket injection molding.The advantages of present invention combination metal plate end cap and plastic packaging end cap, end cap fastening part is metal plate bracket, promote Assembly stability, reliability, bearing chamber uses BMC injection molding, guarantee the concentricity of bearing with end cover room when plastic packaging by the precision of mold, to reduce vibration when rotor rotation, improves noise；End cap and stator case are fastened by riveting, avoid directly causing to crack by end cap indentation stator, and tightening of rivet is easy to operate, high production efficiency, saves labour cost.
Description
Technical field
The present invention relates to a kind of end cover for motor, in particular to a kind of plastic packaging end cover for motor of washing machine, connection type and
With its washing machine.
Background technique
Metal plate end cap is widely used in existing plastic packaging motor for washer, and metal plate end cap and the connection type of plastic packaging shell have two
Kind: 1, metal plate end cap be equipped with mounting hole, is connect by beating screw mode with BMC shell；2, plastic packaging motor ABB is similar to cover,
It is pressed directly into BMC shell.
The Chinese patent of Publication No. CN204858764U discloses a kind of plastic packaging motor, it includes injection moulded stator, and first
Red steel cardboard, the second red steel cardboard, shaft, corrugated gasket, cage rotor, bearing and end cap；The injection moulded stator has top,
Middle part and lower part；The injection moulded stator is fixed to form an entirety by BMC material encapsulating by field frame assembly, and the injection molding is fixed
The top of son has wiring groove, and middle part protrusion is formed with multiple ears；The bearing is mounted on the first red steel cardboard
In the end cap, the first red steel cardboard is installed between the bearing and the end cap；The second red steel cardboard installation
In the injection moulded stator, the bearing is installed in the shaft, and the shaft is placed in the cage rotor, described
It is placed toward the injection moulded stator direction on the head of shaft.
The Chinese patent of 107612181 A of Publication No. CN discloses a kind of Full-plastics sealed motor and preparation method thereof, including
End cap and stator module, stator module setting open at one end, end cap are formed by BMC material one plastic packaging, stator module outer surface
It is molded by BMC material and forms plastic packaging layer, end cap is open indentation so that end cap and stator module are interference fitted from stator module.
The prior art uses metal plate end cap, and motor oscillating is big, and noise is poor.Pressure bad conduct when end cap is pressed into BMC shell
Cause plastic packaging material Cracking Failure.
Summary of the invention
The technical problem to be solved by the present invention is motor is big using the operating vibration of metal plate end cap, noise is poor；End cap is loosely
Gu easy to fall off, assembly plastic packaging material cracking；Height rushes end cap long-term production, and mold core abrasion causes bearing chamber less than normal.
Technical scheme is as follows:
The present invention provides a kind of end cover for motor, including metal plate bracket and plastic packaging BMC shell, the plastic packaging BMC shell packet
Housing bottom and bearing chamber are included, the bearing chamber is the direct injection molding of BMC material, is provided with several on the metal plate bracket
Through-hole, between housing bottom and bearing chamber, plastic packaging material passes through connection before and after the through-hole for the metal plate bracket injection molding.
Further, the distance between the housing bottom and bearing chamber are identical as the thickness of metal plate bracket.
Further, the through-hole is curved kidney slot.
Further, the quantity of the through-hole is 3.
Further, the end cover for motor is fixed on stator body, and the periphery of the metal plate bracket is stretched out several
A established angle is provided with fastener hole on the established angle, and position corresponding with established angle is provided with company on the stator body
Fitting.
Further, the connector is rivet, and one end of the rivet is moulded in stator body, outside the other end
Dew, when motor assembles, bearing chamber and field frame assembly precise match, rivet exposed junction pass through the fastener hole of metal plate bracket, and riveting is tight
Gu.
Further, the quantity of the fastener hole is 3-4.
The present invention also provides a kind of washing machines, including above-mentioned end cover for motor.
By using above-mentioned technological means, the invention has the following beneficial effects:
The advantages of present invention incorporates metal plate end cap and plastic packaging end caps, end cap fastening part are metal plate bracket, promote assembly
Stability, reliability；Bearing chamber uses BMC injection molding, and when plastic packaging guarantees the same of bearing with end cover room by the precision of mold
Heart degree improves noise to reduce vibration when rotor rotation.The mobility of plastic packaging material not will lead to mold core abrasion, influence axis
Hold indoor diameter.
Rivet one end is moulded in plastic packaging stator shell, the other end is exposed.When assembly, exposed junction passes through end cap metal plate branch
Frame mounting hole is fastened by equipment riveting；It avoids directly causing to crack by end cap indentation stator, and tightening of rivet is easy to operate,
High production efficiency saves labour cost.
Detailed description of the invention
Fig. 1 is end cap metal plate support schematic diagram.
Fig. 2 is end cap BMC plastic housing schematic diagram.
Fig. 3 is end cap schematic diagram.
Fig. 4 is field frame assembly schematic diagram.
Fig. 5 is assembling structure schematic diagram.
Marked in the figure: 11, through-hole；12, fastener hole；21, housing bottom；22, bearing chamber；31, stator body；32, rivet.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
For in the prior art, motor is big using the operating vibration of metal plate end cap, and noise is poor；End cap is insecure, easy to fall off, dress
It cracks with plastic packaging material；Height rushes end cap long-term production, and mold core wears the problem for causing bearing chamber less than normal, and the present invention provides a kind of motor
With end cap, including metal plate bracket and plastic packaging BMC shell, the plastic packaging BMC shell includes housing bottom 21 and bearing chamber 22, described
Bearing chamber 22 is the direct injection molding of BMC material, several through-holes 11, the metal plate bracket note are provided on the metal plate bracket
It moulds between housing bottom 21 and bearing chamber 22, plastic packaging material connects before and after passing through the through-hole 11.
The advantages of present invention incorporates metal plate end cap and plastic packaging end caps, end cap fastening part are metal plate bracket, promote assembly
Stability, reliability；Bearing chamber uses BMC injection molding, and when plastic packaging guarantees the same of bearing with end cover room by the precision of mold
Heart degree improves noise to reduce vibration when rotor rotation.The mobility of plastic packaging material not will lead to mold core abrasion, influence axis
Hold indoor diameter.Rivet one end is moulded in plastic packaging stator shell by the present invention, and the other end is exposed.When assembly, exposed junction passes through end
Lid metal plate rack mounting apertures, are fastened by equipment riveting；It avoids directly causing to crack by end cap indentation stator, and tightening of rivet is grasped
Make simple, high production efficiency, saving labour cost.
End cover for motor of the invention can be applied in washing machine, be specifically used for assembling with field frame assembly.
Embodiment one
This implementation provides a kind of end cover for motor as shown in Figure 3, including metal plate bracket (as shown in Figure 1) and plastic packaging BMC
Shell (as shown in Figure 2).Plastic packaging BMC shell includes housing bottom 21 and bearing chamber 22, and bearing chamber 22 is that BMC material is directly molded
Molding.On metal plate bracket centered on central axis, circumferentially arranged have 3 curved waist through hole 11.It should be noted that this
Invention does not have particular/special requirement to the number and shape of through-hole 11, and the present embodiment is only carried out by taking 3 curved waist through hole 11 as an example
Explanation.Metal plate bracket is molded between housing bottom 21 and bearing chamber 22, and plastic packaging material connects before and after passing through the through-hole 11.
Preferably, in order to improve the compactedness and validity of assembly, between the housing bottom 21 and bearing chamber 22 away from
From being set as identical as the thickness of metal plate bracket.
Optionally, the end cover for motor is fixed on stator body 31 as shown in Figure 4.At this point, metal plate bracket is outer
It encloses and stretches out 3-4 established angle.As shown in Figure 1, being provided with fastener hole 12 on the established angle.It should be noted that the present invention couple
The number and shape of established angle and fastener hole 12 do not have a particular/special requirement, the present embodiment only by taking 3 established angles and fastener hole as an example into
Row explanation.Position corresponding with established angle is provided with connector on the stator body 31.It should be noted that the present invention couple
The connection type of the type of connector does not have particular/special requirement, and the present embodiment is only illustrated by taking rivet 32 as an example.The one of rivet 32
End is moulded in stator body 31, and the other end is exposed, for fastening end cap.
When motor assembles, bearing chamber 22 and field frame assembly precise match, 32 exposed junction of rivet pass through the fastening of metal plate bracket
Hole 12 is fastened using riveting press equipment riveting.Such connection type is secured, and end cap is not easy to loosen, and colleague avoids end cap pressure directly
Entering stator causes to crack, and tightening of rivet is easy to operate, high production efficiency, saves labour cost.Such as Fig. 5 institute of mechanism after assembly
Show.
Guarantee the cooperation of diameter and stator plastic housing outside bearing with end cover room when injection molding by the precision of mold, improves end cap stator
Concentricity, thus reduce rotor rotation when vibration, improve noise.The mobility of plastic packaging material not will lead to mold core abrasion, shadow
Ring bearing chamber internal diameter.
In conclusion metal plate bracket and BMC are molded integrally by the present invention by injection molding process, metal plate branch is provided with
Three to four mounting holes, bearing chamber are injection molding, ensure that the concentricity of bearing chamber and rack mounting apertures, promote rotor assembly
Concentricity；A kind of rivet one end is moulded in plastic packaging stator shell by the present invention, and the other end is exposed, and when assembly, exposed junction is passed through
End cap metal plate rack mounting apertures, are fastened by equipment riveting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of end cover for motor, it is characterised in that: including metal plate bracket and plastic packaging BMC shell, the plastic packaging BMC shell includes
Housing bottom (21) and bearing chamber (22), the bearing chamber (22) are the direct injection molding of BMC material, are set on the metal plate bracket
Several through-holes (11) are equipped with, between housing bottom (21) and bearing chamber (22), plastic packaging material passes through for the metal plate bracket injection molding
Connection before and after the through-hole (11).
2. a kind of end cover for motor according to claim 1, it is characterised in that: the housing bottom (21) and bearing chamber
The distance between (22) identical as the thickness of metal plate bracket.
3. a kind of end cover for motor according to claim 1, it is characterised in that: the through-hole (11) is curved kidney-shaped
Hole.
4. a kind of end cover for motor according to claim 1, it is characterised in that: the quantity of the through-hole (11) is 3.
5. a kind of end cover for motor according to claim 1, it is characterised in that: the end cover for motor is fixed on stator sheet
On body (31), several established angles are stretched out in the periphery of the metal plate bracket, are provided on the established angle fastener hole (12), described
Position corresponding with established angle is provided with connector on stator body (31).
6. a kind of end cover for motor according to claim 5, it is characterised in that: the connector is rivet (32), described
One end of rivet (32) is moulded in stator body (31), and the other end is exposed, when motor assembles, bearing chamber (22) and field frame assembly
Precise match, rivet (32) exposed junction pass through the fastener hole (12) of metal plate bracket, riveting fastening.
7. a kind of end cover for motor according to claim 5 or 6, it is characterised in that: the quantity of the fastener hole (12) is
3-4.
8. a kind of washing machine, it is characterised in that: including end cover for motor described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206660.XA CN109167457A (en) | 2018-10-17 | 2018-10-17 | A kind of end cover for motor and the washing machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206660.XA CN109167457A (en) | 2018-10-17 | 2018-10-17 | A kind of end cover for motor and the washing machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167457A true CN109167457A (en) | 2019-01-08 |
Family
ID=64878392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206660.XA Pending CN109167457A (en) | 2018-10-17 | 2018-10-17 | A kind of end cover for motor and the washing machine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109167457A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380554A (en) * | 2019-07-15 | 2019-10-25 | 珠海凯邦电机制造有限公司 | A kind of plastic encapsulated motor for washing machine and washing machine |
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905323A (en) * | 2005-07-29 | 2007-01-31 | 乐金电子(天津)电器有限公司 | Connecting structure for resin-packing electric machin closed end cover |
| US20090113941A1 (en) * | 2007-11-05 | 2009-05-07 | Daewoo Electronics Corporation | Washing machine and assembling method thereof |
| CN202550769U (en) * | 2012-03-12 | 2012-11-21 | 苏州大原电器有限公司 | Hammering motor |
| CN105099045A (en) * | 2015-09-15 | 2015-11-25 | 广东威灵电机制造有限公司 | Plastic package motor |
| CN204858764U (en) * | 2015-06-26 | 2015-12-09 | 江门市力丰电机有限公司 | Plastic package motor |
| CN208874392U (en) * | 2018-10-17 | 2019-05-17 | 珠海凯邦电机制造有限公司 | A kind of end cover for motor and the washing machine with it |
-
2018
- 2018-10-17 CN CN201811206660.XA patent/CN109167457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905323A (en) * | 2005-07-29 | 2007-01-31 | 乐金电子(天津)电器有限公司 | Connecting structure for resin-packing electric machin closed end cover |
| US20090113941A1 (en) * | 2007-11-05 | 2009-05-07 | Daewoo Electronics Corporation | Washing machine and assembling method thereof |
| CN202550769U (en) * | 2012-03-12 | 2012-11-21 | 苏州大原电器有限公司 | Hammering motor |
| CN204858764U (en) * | 2015-06-26 | 2015-12-09 | 江门市力丰电机有限公司 | Plastic package motor |
| CN105099045A (en) * | 2015-09-15 | 2015-11-25 | 广东威灵电机制造有限公司 | Plastic package motor |
| CN208874392U (en) * | 2018-10-17 | 2019-05-17 | 珠海凯邦电机制造有限公司 | A kind of end cover for motor and the washing machine with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380554A (en) * | 2019-07-15 | 2019-10-25 | 珠海凯邦电机制造有限公司 | A kind of plastic encapsulated motor for washing machine and washing machine |
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |