CN100557920C - Use in washing machine motor and possess the washing machine of this motor - Google Patents
Use in washing machine motor and possess the washing machine of this motor Download PDFInfo
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- CN100557920C CN100557920C CNB2006101107798A CN200610110779A CN100557920C CN 100557920 C CN100557920 C CN 100557920C CN B2006101107798 A CNB2006101107798 A CN B2006101107798A CN 200610110779 A CN200610110779 A CN 200610110779A CN 100557920 C CN100557920 C CN 100557920C
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- washing machine
- resin mold
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Abstract
A kind of use in washing machine motor is provided, can improves the coil of stator and the water proofing property of portion of terminal, and do not make use for a long time under the low situation of performance.Outer-rotor type use in washing machine motor, possess: stator (40), it be by will carrying out mold towards a plurality of stacked backs of iron core (41) that a plurality of teeth (43) of periphery are highlighted setting with insulative resin from the yoke portion (42) of ring-type, and beginning is gone up winding around (51) at tooth (43) and formed on the insulating resin mold (52); Rotor (70), itself and stator (40) concentric arrangement, and the position of tooth (43) antagonism on be equipped with a plurality of magnet (72), wherein, make stator (40) become mold (54) with the resin of water proofing property.
Description
Technical field
The present invention relates to a kind of motor that can make washing machine inside groove and blender rotation, more particularly, is the use in washing machine motor that can improve the water proofing property of stator about a kind of.
Background technology
Make the motor of washing machine inside groove and blender rotation, by the stator that is wound with coil and be configured in week in the stator or periphery on the rotor that can rotate freely constitute, with rotor with can transferring power ground link with inside groove and blender, make inside groove and blender be rotated (for example, with reference to patent documentation 1).
In general, the motor that stator is configured in side Monday in the rotor is called outer rotor type motor, with stator arrangement outer Monday of rotor side motor be called the inner-rotor type motor.
(patent documentation 1) spy opens the 2000-152529 communique
Particularly in stator is configured in rotor Monday side outer rotor type motor in, the dew that condenses that generates at water jacket is attached to the coil and the portion of terminal of stator, can cause short circuit, get rusty and the low inferior situation of motor performance.
In addition, the Poewr transmission mechanism of motor for example is coated with the grease (grease) for lubricated and waterproof on the driving shaft etc., but various members, for example the iron filings of generation such as spring can be blended in the grease, can cause short circuit phenomenon when these iron powders are attached to portion of terminal.
Summary of the invention
The objective of the invention is to, a kind of coil of stator and water proofing property of portion of terminal of improving is provided, do not reduce its performance and use in washing machine motor that can use for a long time and the washing machine that carries this use in washing machine motor.
Use in washing machine motor for the outer-rotor type of the present invention that solves above-mentioned problem, possess: stator, it will be provided with the unshakable in one's determination a plurality of stacked of a plurality of teeth and carry out mold by insulative resin to periphery is outstanding from the yoke portion of ring-type, and winding around forms on tooth on the insulating resin mold; Rotor, itself and stator concentric arrangement, and with the position of tooth antagonism on dispose a plurality of magnet, wherein, by waterproof resin mold stator.
Stator side in the above has the portion of terminal that is electrically connected with overhang, before carrying out mold with waterproof resin, embeds the cover of protection portion of terminal in the side of portion of terminal, and the waterproof resin mold is preferably carried out on the part except portion of terminal and lid.
In addition, preferably at least a portion around the portion of terminal, groove is set.
In addition, interior all sides of waterproof resin mold are preferably formed to extending to the position higher than portion of terminal.
Stator has the portion of terminal that is electrically connected with overhang in the above, in the waterproof resin mold, possesses the shell that covers portion of terminal top, the outstanding below rib that is provided with of this shell, the lead-in wire preferred disposition that is connected in portion of terminal is below shell, be pressed against rib, and from passing through than the low position of front end of lead-in wire.
In addition, be used for stator is installed in the installation portion of washing machine inside, preferably be arranged on the position higher than portion of terminal.
According to use in washing machine motor of the present invention, by with waterproof resin mold stator, even the dew that condenses that water jacket generates attached to stator on, also can guarantee the water proofing property of coil and portion of terminal etc.So,, can prevent that the performance of use in washing machine motor from reducing in phenomenons such as coil and portion of terminal just can not be short-circuited and get rusty.
When carrying out waterproof with the resin mold, portion of terminal contacts with mould with mold, the phenomenon that the coiling broken string of coil can occur, but as the present invention, by around portion of terminal, being packed with cover in advance, mould and portion of terminal are not come in contact, thereby can guarantee the water proofing property of portion of terminal, and eliminate the problem of broken string.
Owing to be formed with groove around the portion of terminal, even moisture flow into the portion of terminal side, because can not invade the inboard of comparing with groove, so portion of terminal can not be exposed to moisture.
Because interior all sides of the resin mold of water proofing property are formed into the position higher than terminal position, thereby the moisture of all sides etc. is separated by the resin mold in the stator, can prevent that moisture from arriving portion of terminal.
By making the rib of lead-in wire along outstanding setting below the shell that covers portion of terminal, from passing through, thereby can not arrive portion of terminal at lead-in wire conduction moisture than the also low position of front end of lead-in wire, can protect portion of terminal.
In addition, because the installation portion of stator is formed on the position higher than portion of terminal, when stator was installed, portion of terminal can not become obstacle.
The present invention is particularly useful for that stator is exposed to moisture such as the dew that condenses easily or the outer-rotor type use in washing machine motor of the iron filings that produce from driving mechanism etc.
Description of drawings
Fig. 1 is the profile of washing machine.
Fig. 2 is the amplification profile of the driving mechanism of washing machine.
Figure 3 shows that the stereogram of the stator that the coiling coil is preceding.
Figure 4 shows that the profile that stator is inserted the state of the mould that carries out the waterproof resin mold.
Fig. 5 is a vertical view of having implemented the stator of waterproof resin mold.
Fig. 6 is the stereogram of portion of terminal periphery of having implemented the stator of waterproof resin mold.
Fig. 7 installs the amplification profile stereogram of the stator of lid state.
Figure 8 shows that the stereogram of the completion status of stator of the present invention.
Among the figure: 10 washing machines; 30 use in washing machine motor; 40 stators; 52 insulative resin molds; 54 waterproof resin molds; 60 portion of terminal; 61 covers; 63 lids; 70 rotors.
Embodiment
With reference to accompanying drawing the washing machine 10 that has carried the use in washing machine motor 30 among the present invention is described.
Fig. 1 is the profile that has carried the washing machine 10 of the use in washing machine motor 30 among the present invention, and Fig. 2 is the amplification profile of driving mechanism.Washing machine 10 is constituted as the inside that is supported in the water jacket that the round-ended cylinder shape is arranged 12 (catch basin) of basket 11 in suspention, rotate freely the earth's axis support have a plurality of dewatering holes (not shown) on the perisporium round-ended cylinder shape inside groove 13 (drench pit) arranged.On the inner bottom surface of inside groove 13, rotation freely is supported with the blender 15 (paddle) that is used for the agitator treating thing.
Inside groove 13 extends at the main shaft 14 of bottom surface side hollow, is embedded in this main shaft 14 as the rachis 16 of blender 15 via oilless bearing alloy (oilless metal).Main shaft 14 and rachis 16 connect water jacket 12, via the following Poewr transmission mechanism 20 that is installed on the receiving plate 18 that is located at water jacket 12 downsides, and are connected in use in washing machine motor 30.
Use in washing machine motor 30 as shown in Figure 2, can be illustrated in inboard configuration stator 40, in the outer rotor type motor of outside configuration stator 70.Stator 40 is installed on the periphery shell 21 of described Poewr transmission mechanism 20, rotor 70, and the periphery of covering stator 40 is with stator 40 concentric inlaying.
More than 40 stacked toroidal cores 41 of stator and constituting.Unshakable in one's determination 41, constitute by ring-type yoke portion 42 with from the outstanding tooth 43,43 that is provided with of periphery of this yoke portion 42.Tooth 43 is the parts that are wound with coil 51 when laminate core 41, and front end enlarges.
As shown in Figure 3, stacked iron core 41 carries out mold moulding (hereinafter referred to as " insulative resin mold 52 ") with PBT resin (polybutylene terephthalate resin) in addition to tooth 43 front ends.Insulative resin mold 52 is to implement in order to ensure the insulating properties of coil 51 and unshakable in one's determination 41.The front end to resin does not carry out mold, is in order to shorten the distance of rotor 70 described later and tooth 43 front ends as far as possible.
As shown in Figure 3, preferably in insulative resin mold 52, form the rib 53 that prevents coil 51 displacements.
After 41 enforcement insulative resin molds 52 unshakable in one's determination, as shown in Figure 2, on tooth 43, be wound with coil 51 respectively.As shown in Figure 3, on the part of insulative resin mold 52, portion of terminal 60 is installed, this portion of terminal has the contact spare 60a of the coiling 51a (with reference to Fig. 6) that is electrically connected with coil 51.As Fig. 3 and shown in Figure 5, on portion of terminal 60, embedding is by the cover 61 of the side that covers portion of terminal 60.
In addition, below cover 61 outer circumferential sides, be formed with semicircular depression 61c, also be formed with depression 61d in the both sides of depression 61c in central authorities.The coiling 51a that draws from coil 51 passes through these depressions 61c, 61d separately.
When stator 40 was implemented waterproof resin molds 54, the effect of cover 61 was that the 51a that winds the line when mold is contacted with portion of terminal 60 with mould does not break when described later.Because cover 61 covers the side of portion of terminal 60, there is no need to implement direct waterproof resin mold 54 around portion of terminal 60.
Also have, the terminal 62 that is positioned at portion of terminal 60 right sides shown in Fig. 3 is in order directly to link coil 51 terminal each other, to be covered by waterproof resin mold 54, not being exposed to the outside.
On the stator 40 that cover 61 has been installed, implement waterproof resin mold 54.As shown in Figure 4, stator 40 is inserted into mold with in the mould 80,81, by BMC resin (Buik Molding Compound resin, for example thermosetting unsaturated polyester (UP)) is injected in the space 83 between the mould 80,81, the outside of stator 40 is covered by waterproof resin mold 54.When carrying out the resin mold, invade portion of terminal 60, on mould 80, be formed with the space 82 that resin does not flow in order not make resin.
To shown in Figure 8, waterproof resin mold 54 has covered all parts beyond the front end of tooth 43 of stator 40 as Fig. 5.
Implement after the waterproof resin mold 54, when from mould 80,81 taking-up stators 40, as Figure 6 and Figure 7, waterproof resin mold 54 covers the side face of the cover 61 of portion of terminal 60, the inner peripheral surface side is formed with the wall 55 that extends to upside, in the upper end of wall 55, can obtain to be formed with the stator 40 of the mounting flange 56 of flexing to the inside.In order to improve the water resistance of stator 40 and portion of terminal 60, the wall 55 of inner peripheral surface is preferably formed the position higher than the front end of portion of terminal 60.Moreover, in the present embodiment,, for example member cylindraceous is configured between stator 40 and the Poewr transmission mechanism 20 and forms wall 55 and also can though wall 55 is formed by waterproof resin mold 54.Mounting flange 56 is that stator 40 is installed to installation portion on the washing machine 10.Shape is not limited to flange shape.
The waterproof resin mold 54 that on the side face of cover 61, forms, the inner peripheral surface side that extends up to portion of terminal 60 is that the side of the inner peripheral surface side of stator 40 and portion of terminal 60 is the circumferencial direction side position higher than portion of terminal 60 of stator 40, forms recess 57 around portion of terminal 60.This is to invade portion of terminal 60 for iron powder of prevent to condense dew and grease etc. from interior all sides of stator 40.
In addition, invade portion of terminal 60 in order to prevent moisture etc., as shown in Figure 6, preferably portion of terminal 60 around groove 58 is set at least a portion.Among Fig. 6, on the part of the waterproof resin mold 54 around the cover 61, be provided with groove 58.Owing to be provided with groove 58,, can not invade than groove 58 insides, so portion of terminal can be exposed in the moisture even for example invaded moisture in the recess 57.In addition, on the outer circumferential side of portion of terminal 60, as shown in Figure 6, preferably the outer circumferential side of stator 40 form can draining zanjon 58a.Thus, the moisture that invades 58 li of grooves can be discharged to the outside.
The recess 57 of the aforesaid waterproof resin mold 54 that around stator 40, forms, as shown in Figures 7 and 8, the lead-in wire 67 that will be electrically connected portion of terminal 60 and power supply etc. and shell for the transducer 65 of the hall device of the revolution of measuring rotor 70 etc. is installed for example is with lid 63 sealings.This lid 63 be close to around the recess 57 of waterproof resin mold 54 or almost do not have the state in slit to install, make moisture be difficult to invade in the recess 57.
As shown in Figure 6, lid 63 can be installed by being screwed on the outstanding lid installation portion 59,59 that is arranged in the waterproof resin mold 54.
As shown in Figure 7, the lead-in wire 67, be configured in lid 63 below, be inserted into by the connector 67a that will be riveted on front end among the contact spare 60a of portion of terminal 60, and be electrically connected with coil 51.
In order not make the dew that condenses 67 transmit and to be attached on the portion of terminal 60 by going between, as shown in Figure 7, below lid 63,67 ribs 68 that import to the position lower than 67 the front end of going between preferably are provided for will go between earlier.Lead-in wire 67 is embedded into and is set among rib 68 claw 68a, the 68b nearby, is pushed by rib 68.
To shown in Figure 8, the inside flexing in upper end of the wall 55 of the inner peripheral surface of waterproof resin mold 54 is formed with in order to carry out the mounting flange 56 of screw to the periphery cover 21 of Poewr transmission mechanism 20 as Fig. 2, Fig. 6.Mounting flange 56 is preferably formed in the position higher than portion of terminal 60, and is roughly the same with the top height of above-mentioned lid 63.Be meant than portion of terminal 60 high positions, be connected with in portion of terminal 60 under the situation of lead-in wire 67 connector 67a, than the higher position of height under these states that are electrically connected.
This is because in outer-rotor type use in washing machine motor 30, because portion of terminal 60 is set at the position near interior all sides of stator 40, so on the periphery shell 21 that stator 40 is installed to Poewr transmission mechanism 20 time, portion of terminal 60 and lid 63 can become obstacle.As mentioned above, by forming mounting flange 56, even the internal diameter of stator 40 diminishes, portion of terminal 60 grades can not become obstacle yet, stator 40 can be installed on the Poewr transmission mechanism 20.
In addition, as mentioned above, when lid 63 is screwed lid installation portion 59, mounting flange 56 is formed top roughly the same height with lid 63, take place looseningly even the screw of lid 63 is installed, lid 63 is sandwiched between periphery shell 21 and the mounting flange 56 with the degree that can not break away from, even screw loosening like this, lid 63 can not break away from, and can not go between 67 to come off and cause be electrically connected cutting off from portion of terminal 60.
After waterproof resin mold 54 encirclement stators 40, by being installed on the periphery shell 21 of Poewr transmission mechanism 20 with the mounting flange 56 of screw with waterproof resin mold 54, stator 40 is connected on the Poewr transmission mechanism 20.
Dispose rotor 70 on the periphery of stator 40.
In the central authorities of the circular base 73 of rotor 70, be connected with the driving shaft 31 of Poewr transmission mechanism 20.Around driving shaft 31, be provided with by in order to improve greasy property, the grease that injects grease 33 accumulates place 32.
In the use in washing machine motor 30 of above-mentioned formation, if to coil 51 energisings, under the effect of the three-phase alternating current that coil 51 flows, stator 40 produces rotating magnetic field, and rotor 70 is rotated.
The rotation of rotor 70 is delivered to after the Poewr transmission mechanism 20, and main shaft 14 and rachis 16 are rotated, and inside groove 13 and blender 15 also rotate.
During driving shaft 31 rotation, accumulate 32 can disperse moisture and iron powders etc. from driving shaft 31 and grease.But, in the present invention, stator 40, the upright wall 55 that is provided with waterproof resin mold 54 on all sides in it, because this wall 55 is installed on the Poewr transmission mechanism 20 by the mounting flange 56 of upper end, these moisture and iron powder etc. can not touch portion of terminal 60 and coil 51.
In addition, though moisture along periphery shell 21 intrusions such as grade of Poewr transmission mechanism 20, lid 63 also can stop the intrusion of moisture to recess 57.And, even moisture invades recess 57, because can not crossing, moisture is arranged on portion of terminal 60 groove 58 on every side, so more can positively protect portion of terminal 60.
Also have, even moisture is invaded along lead-in wire 67, because go between 67 the downward flexing of a part, moisture can not invade portion of terminal 60.
As mentioned above, according to the present invention,, the iron that prevents moisture and grease invades for dividing, stator 40, all sides are surrounded by waterproof resin mold 54 in it, and since portion of terminal 60 around also implemented sufficient water-proofing treatment, be the short circuit of reason and phenomenon such as get rusty so can not take place with these.
In the above-described embodiment, in outer-rotor type use in washing machine motor 30, implement the present invention, but can also apply the present invention to inner-rotor type use in washing machine motor.
The present invention is suitable for the use in washing machine motor that conduct has superior water proofing property, can bring into play performance steady in a long-term.
Claims (6)
1. outer-rotor type use in washing machine motor, possess: stator, it will be provided with the unshakable in one's determination a plurality of stacked of a plurality of teeth to periphery is outstanding from the yoke portion of ring-type, and carry out mold with insulative resin, then on the insulating resin mold on tooth coiling coil and forming; Rotor; itself and stator concentric arrangement; with tooth antagonism position on dispose a plurality of magnet; it is characterized in that; stator is by the resin mold of water proofing property, and stator side in the above has the portion of terminal of the end that is electrically connected coil, before the resin with water proofing property carries out mold; be embedded with the cover of protection portion of terminal on the side of portion of terminal, the resin mold of water proofing property is implemented in the part except that portion of terminal and cover.
2. outer-rotor type use in washing machine motor according to claim 1 is characterized in that, at least a portion around the described portion of terminal is provided with groove.
3. outer-rotor type use in washing machine motor according to claim 1 and 2 is characterized in that, the resin mold of water proofing property extends to interior all sides position higher than described portion of terminal.
4. outer-rotor type use in washing machine motor according to claim 1 and 2, it is characterized in that, the shell that in the resin mold of water proofing property, has the top that covers described portion of terminal, the outstanding below rib that is provided with of this shell, the lead-in wire that is connected with described portion of terminal, be configured in shell below, pushed down by rib, from than the lead-in wire the low position of front end pass through.
5. outer-rotor type use in washing machine motor according to claim 1 and 2 is characterized in that, the resin mold of water proofing property extends to interior all sides position higher than described portion of terminal, is formed with the flange that usefulness is installed.
6. a washing machine is characterized in that, each described motor in the claim 1～5 has been installed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005233880A JP4698327B2 (en) | 2005-08-12 | 2005-08-12 | Washing machine motor and washing machine equipped with the motor |
| JP2005233880 | 2005-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1913285A CN1913285A (en) | 2007-02-14 |
| CN100557920C true CN100557920C (en) | 2009-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101107798A Active CN100557920C (en) | 2005-08-12 | 2006-08-09 | Use in washing machine motor and possess the washing machine of this motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4698327B2 (en) |
| CN (1) | CN100557920C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615817B (en) * | 2008-06-26 | 2012-07-04 | 中山大洋电机股份有限公司 | Outer rotor motor |
| AU2011345450C1 (en) | 2010-12-22 | 2015-11-19 | Fisher & Paykel Appliances Limited | Improved appliance, motor or stator |
| CN102377254B (en) * | 2011-10-25 | 2016-05-04 | 佛山市威灵洗涤电机制造有限公司 | The stator structure of molding electrical machine for washing machine |
| CN109898275A (en) * | 2017-12-08 | 2019-06-18 | 青岛海尔洗衣机有限公司 | Connector assembly and clothes treatment device for clothes treatment device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0438145A (en) * | 1990-06-01 | 1992-02-07 | Matsushita Electric Ind Co Ltd | Resin molded motor |
| JPH06178483A (en) * | 1992-12-04 | 1994-06-24 | Shibaura Eng Works Co Ltd | Molded motor |
| JP3355381B2 (en) * | 1993-08-18 | 2002-12-09 | 日本電産シバウラ株式会社 | motor |
| JP3497684B2 (en) * | 1996-03-19 | 2004-02-16 | 株式会社東芝 | Rotating electric machine stator |
| JP2000324745A (en) * | 1999-05-14 | 2000-11-24 | Matsushita Electric Ind Co Ltd | Mold motor |
| JP4265077B2 (en) * | 2000-04-06 | 2009-05-20 | パナソニック株式会社 | Washing machine electric motor |
| JP2003143814A (en) * | 2001-10-30 | 2003-05-16 | Nidec Shibaura Corp | Manufacturing method for washing machine motor |
| EP1541738B1 (en) * | 2003-12-10 | 2013-06-12 | LG Electronics, Inc. | Outer rotor type motor for drum type washing machine and method for fabricating the same |
-
2005
- 2005-08-12 JP JP2005233880A patent/JP4698327B2/en active Active
-
2006
- 2006-08-09 CN CNB2006101107798A patent/CN100557920C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1913285A (en) | 2007-02-14 |
| JP2007049860A (en) | 2007-02-22 |
| JP4698327B2 (en) | 2011-06-08 |
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| C14 | Grant of patent or utility model | ||
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Owner name: QINGDAO HAIER WASHING MACHINE CO., LTD. Effective date: 20120906 Owner name: HAIER GROUP COMPANY Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD. Effective date: 20120906 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; TO: 266101 QINGDAO, SHANDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120906 Address after: 266101 Haier Road (Haier Industrial Park), Qingdao hi tech Industrial Park, Shandong Province Patentee after: haier group corporation Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: Japan Osaka Patentee before: Sanyo Electric Co., Ltd. |