CN109340127A - The preparation method of draining pump and its pump body portion - Google Patents

The preparation method of draining pump and its pump body portion Download PDF

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Publication number
CN109340127A
CN109340127A CN201811030502.3A CN201811030502A CN109340127A CN 109340127 A CN109340127 A CN 109340127A CN 201811030502 A CN201811030502 A CN 201811030502A CN 109340127 A CN109340127 A CN 109340127A
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CN
China
Prior art keywords
iron core
coil
sealing
polar arc
injection molding
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
Application number
CN201811030502.3A
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Chinese (zh)
Inventor
俞云良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
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Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Saipu Electrical Appliance Manufacturing Co Ltd filed Critical Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
Priority to CN201811030502.3A priority Critical patent/CN109340127A/en
Publication of CN109340127A publication Critical patent/CN109340127A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0693Details or arrangements of the wiring

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

A kind of draining pump, its pump body portion either uses twice still injection molding three times, all first injection molding it must go out iron core polar arc sealing before last injection molding, to fill up a thin layer of plastic cement in rotor drum inner wall, since the distance into glue point to rotor drum inner wall when being molded iron core polar arc sealing is very short, it thus will not influence the flowing of plastic cement fluid, and then the case where being less prone to few glue or starved on iron core polar arc sealing, ensure that the quality and waterproof reliability when injection molding goes out iron core polar arc sealing, even if occurring iron core polar arc sealing once in a while is molded bad situation, injection molding is primary again again after this part plastic cement of iron core polar arc sealing can also being knocked out, and it is unlikely to scrap iron core and coil sealing, therefore more reasonable structure of the invention, help to improve the yield rate of product.

Description

The preparation method of draining pump and its pump body portion
Technical field
The present invention relates to a kind of preparation methods of its pump body portion of draining pump.
Background technique
In the process of running, water easily infiltrates into causes iron core to get rusty or coil to draining pump in iron core or coil in order to prevent Short circuit, someone has developed a kind of waterproof draining pump motor, as number of patent application is announced by CN201410362395 A kind of draining pump motor and preparation method thereof, uses the following two kinds method: one is using quadric injection mould, another kind uses one Secondary injection molding, in order to guarantee that better electromagnetic performance, rotor drum wall thickness should be thin as far as possible in the case where guaranteeing water-tight situation, wall thickness one As between 0.3-1m.But due to injection molding when into glue point to the distance of rotor drum inner wall, both of which above is difficult Plastic cement can be filled on rotor drum inner wall (i.e. the inner concave arc surface of iron core) when ensuring to be molded every time, once plastic cement is not filled, just Will cause do not infuse glue part stator it is exposed and lose waterproof action, be at this moment entirely molded by the draining pump come reform into it is useless Product (injection molding is primary again because the whole plastic cement being coated on outside entire draining pump can not be broken into pieces again), and because its mold is multiple Miscellaneous, in quadric injection mould, positioning is not accurate, is also easy to produce waste product.Therefore, above-mentioned either single injection-molded or secondary The method of injection molding all can cause the yield rate of product low.In addition, removing occur in iron core and rotor seal portion in order to prevent Situation, at this moment a plurality of groove is arranged in draining pump needs on the inner concave arc surface of iron core, but these grooves can lose the part of motor Magnetic efficiency, to affect the performance of draining pump.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of more reasonable structure, help to improve product The draining pump of yield rate.
It is a further object of the present invention to provide the higher draining pump preparation methods of yield rate.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical solutions:
A kind of draining pump comprising rotor assembly part and stator module part, in which:
The rotor assembly part includes fan blade, armature spindle, magnetic core and bearing;
The stator module body portion includes coil rack, the coil being wound on coil rack, with coil rack and coil Based on carry out first time injection molding and formed coil sealing, the U-shaped iron core in the coil rack, to be inserted into coil bone Second of iron core polar arc for being molded and being formed of progress is close based on exposing outside that a part of iron core in iron core hole behind the iron core hole of frame Envelope portion, the pump housing portion for carrying out third time injection molding based on coil sealing and iron core polar arc sealing and being formed;In the pump There is the rotor chamber for magnetic core and bearing inside body portion.
In the improvement project to above-mentioned draining pump, the iron core polar arc sealing fills the open end of the full iron core, and It is coated round the surface of iron core corresponding position and side.
A kind of preparation method of the pump body portion of draining pump, includes the following steps:
1), the coiling on coil rack;
2) first time injection molding is carried out, based on coil rack and the coil being wound on coil rack, to form coil sealing Portion;
3), iron core is inserted into the iron core hole of the coil rack of coil sealing;
4), second is carried out based on the part iron core for exposing outside the iron core hole behind the iron core hole for being inserted into coil sealing to infuse Modeling, to form iron core polar arc sealing;
5) third time injection molding, is carried out based on coil sealing, iron core and iron core polar arc sealing, to form pump body portion, There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside its pump body portion.
A kind of draining pump comprising rotor assembly part and stator module part, in which:
The rotor assembly part includes fan blade, armature spindle, magnetic core and bearing;
The stator module body portion includes coil rack, and the coil being wound on coil rack is encased in the iron of coil rack Iron core in core bore carries out first time injection molding and the coil sealing that is formed based on the assembly of skeleton, coil and iron core Second of pump for being molded and being formed is carried out with iron core polar arc sealing, again based on coil sealing and iron core polar arc sealing Body portion;The coil sealing be by the root of coil and filling-in bit terminal coat, and iron core polar arc sealing be by That a part of iron core cladding of coil rack is exposed outside after the insertion of the iron core hole of coil rack;The coil sealing One will not be linked to be after being separated between iron core polar arc sealing by that alien invasion that coil rack is close to iron core open end Body;There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside the pump housing portion.
In the improvement project of above-mentioned draining pump, the iron core polar arc sealing fills the open end of the full iron core, and encloses Iron core corresponding position surface and side coat.
A kind of preparation method of the pump body portion of draining pump comprising following steps:
1), the coiling on coil rack;
2), iron core is inserted into the iron core hole of coil rack, obtains coil and iron core assembly body;Iron core and coil are assembling When, the freedom degree all around of iron core is limited by skeleton sky profile, up and down direction setting interference fit;
3) first time injection molding is carried out, based on coil and iron core assembly body, to form coil sealing and the sealing of iron core polar arc Portion;The coil sealing gets up the root of coil and filling-in bit terminal cladding, and iron core polar arc sealing will be from coil bone After the iron core hole of frame exposes outside coil rack that a part of iron core cladding after being inserted into is got up, the coil sealing and iron core It will not be connected after being separated between polar arc sealing by that alien invasion that coil rack is close to iron core open end;
4), second is carried out based on coil sealing, the exposed parts of iron core root and iron core polar arc sealing to be molded, with Form pump body portion;There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside its pump body portion.
Compared with prior art, beneficial effects of the present invention: pump body portion is either used and is still molded into three times twice Type, it is necessary to which first injection molding goes out iron core polar arc sealing before last injection molding, a thin layer of to fill up in rotor drum inner wall Plastic cement thus will not shadow since the distance into glue point to rotor drum inner wall when being molded iron core polar arc sealing is very short The flowing of plastic cement fluid is rung, and then the case where being less prone to few glue or starved on iron core polar arc sealing, ensures that note The type of being moulded into goes out the quality and waterproof reliability when iron core polar arc sealing, even if it is bad to occur the injection molding of iron core polar arc sealing once in a while The case where, injection molding is primary again again after this part plastic cement of iron core polar arc sealing can also being knocked out, and is unlikely to scrap iron Core and coil sealing, therefore more reasonable structure of the invention, help to improve the yield rate of product.
The present invention is described in further detail with specific embodiment with reference to the accompanying drawing:
[Detailed description of the invention]
Fig. 1 is stereoscopic schematic diagram of the invention;
Fig. 2 is the dismounting schematic diagram of rotor portion and stationary part of the invention;
Fig. 3 is schematic diagram of the present invention after hemisection at rotor axis position;
Fig. 4 is front view of the invention;
Fig. 5 is the sectional view along A-A of Fig. 4 when stator module part is using injection molding three times;
Fig. 6 is when stator module part is using injection molding three times, in the semi-finished product that second of injection molding comes out along iron Schematic diagram after core transverse direction incision;
Fig. 7 is the preparation process schematic diagram of pump body portion when stator module part is using injection molding three times;
Fig. 8 is the sectional view along A-A of Fig. 4 when stator module part is using injection molding twice;
Fig. 9 is when stator module part is using injection molding twice, in the semi-finished product that first time injection molding comes out along iron Schematic diagram after core transverse direction incision;
Figure 10 is the preparation process schematic diagram of pump body portion when stator module part is using injection molding twice.
[specific embodiment]
Scheme one goes out stator module part using injection molding three times, at this point, the specific structure of draining pump and stator module part Preparation method it is as follows ---
The present invention is a kind of draining pump, as shown in Figures 1 to 6, comprising:
Rotor assembly part 1 comprising fan blade 11, armature spindle 12, magnetic core 13 and bearing 14, the structure of rotor assembly part 1 with The corresponding part structure of current draining pump is consistent, and this will not be detailed here;
Stator module body portion 2 comprising coil rack 21, the coil 22 being wound on coil rack 21, with coil rack 21 With coil sealing A, the U-shaped iron core in the coil rack 21 for carrying out first time injection molding based on coil 22 and being formed 23, to carry out based on that a part of iron core 232 for exposing outside iron core hole 211 behind the iron core hole 211 for being inserted into coil rack 21 Quadric injection mould and formed iron core polar arc sealing B, based on coil sealing A and iron core polar arc sealing B carry out third The pump housing portion (being stator module body portion 2) of secondary injection molding and formation, the internal rotor having for magnetic core 13 and bearing 14 Chamber 24, rotor chamber 24 include positioned at the inner wall of opening, in the inner wall and inner end of the iron core polar arc sealing B at middle part Wall, magnetic core 13 and bearing 14 are encased in the inner wall of 24 inner end of inner wall and rotor chamber of iron core polar arc sealing.
From the aforegoing it can be seen that by being molded the stator module part 2 produced three times, so that it may prevent water from penetrating into iron core 23 or coil 22 in cause iron core 23 to get rusty or the short circuit of coil 22;Wherein, second is carried out based on the open end of iron core 23 The iron core polar arc sealing B formed after secondary injection molding can fill up the rotor drum inner wall 231 that iron core is used to place rotor a thin layer of Plastic cement (i.e. the inner hole wall of iron core polar arc sealing) iron core at this inner wall is exposed and intakes to prevent, when being molded for second The distance into glue point to rotor drum inner wall when due to injection molding iron core polar arc sealing B is very short (because of iron core polar arc sealing B's It is highly short), it thus will not influence the flowing of plastic cement fluid, and then be less prone to few glue or starved on iron core polar arc sealing The case where, the quality and waterproof reliability when injection molding goes out iron core polar arc sealing B are ensured that, even if infusing once in a while Bad situation is moulded, injection molding is primary again again after this part plastic cement of iron core polar arc sealing can also being knocked out, and is unlikely to report Iron core and coil sealing, therefore more reasonable structure of the invention are destroyed, the yield rate of product can be improved.
In the present embodiment, as shown in Figure 6,7, when second of injection molding forms iron core polar arc sealing, plastic cement filling completely should The open end of iron core, and surface round iron core corresponding position and side coat, and not only improve very thin iron core pole in this way The injection molding of arc sealing, and facilitate the promotion of the waterproof performance of iron core;Moreover, this mold when being molded for second The iron core polar arc sealing come can be combined together well with iron core without falling off, and do not have to the imploded arcs in iron core thus Multiple grooves are opened up on face, the loss of motor magnetic efficiency would not be also reduced because opening up groove, to ensure that draining pump Efficiency.
Pump body portion of the stator module part 1 as draining pump, preparation method (as shown in Figure 7) include the following steps:
1), the coiling 22 on coil rack 21;
2) first time injection molding is carried out, based on coil rack 21 and the coil being wound on coil rack 21 22, to form line Enclose sealing A(i.e.: the upper left corner of Fig. 7 that);
3), iron core 23 is inserted into the iron core hole 211 of the coil rack 21 of coil sealing A (that is: the upper right corner of Fig. 7 that It is a);
4), second is carried out based on the part iron core 23 for exposing outside the iron core hole behind the iron core hole for being inserted into coil sealing A Secondary injection molding (especially at rotor drum inner wall 231), with formed iron core polar arc sealing B(such as Fig. 7 the lower right corner that);
5) third time injection molding is carried out, based on coil sealing A, iron core 23 and iron core polar arc sealing B, to form pump housing portion Divide (i.e. stator module part), there is the rotor of the magnetic core 13 and bearing 14 for rotor bushing component inside its pump body portion Chamber 24, if the lower left corner of Fig. 7 is shown in that.
Scheme two goes out stator module part using injection molding twice, at this point, the specific structure and stator module of draining pump Partial preparation method is as follows ---
The present invention is a kind of draining pump, as shown in Fig. 1 to 4,8,9, comprising:
Rotor assembly part 1 comprising fan blade 11, armature spindle 12, magnetic core 13 and bearing 14, the structure of rotor assembly part 1 with The corresponding part structure of current draining pump is consistent, and this will not be detailed here;
Stator module body portion 2 comprising coil rack 21, the coil 22 being wound on coil rack 31 are encased in coil rack Iron core 23 in 21 iron core hole 211 carries out first time injection molding based on the assembly of skeleton, coil and iron core and is formed Coil sealing A and iron core polar arc sealing B, it is carried out based on coil sealing A and iron core polar arc sealing B second again Injection molding and the pump body portion formed, wherein coil sealing A is to coat the root of coil and filling-in bit terminal, and iron core Polar arc sealing B is to wrap that a part of iron core 232 that coil rack is exposed outside after the insertion of the iron core hole 211 of coil rack 21 It covers, at this point, being close to that of iron core open end by coil rack between coil sealing A and iron core polar arc sealing B Alien invasion 212 will not be connected after separating, as shown in Figure 9;Have inside the pump housing portion and is used to rotor bushing component Magnetic core 13 and bearing 14 rotor chamber 24.
From the aforegoing it can be seen that can equally prevent water from penetrating into iron by being molded the stator module part 2 produced twice Iron core 23 is caused to get rusty or the short circuit of coil 22 in core 23 or coil 22;Wherein, wherein to be inserted into the iron core hole of coil sealing A The iron core polar arc sealing B for carrying out based on the part iron core 232 in the iron core hole being formed after first time injection molding, energy are exposed outside afterwards The rotor drum inner wall 231 of iron core is filled up a thin layer of plastic cement, and the iron core at this inner wall is exposed and intakes to prevent, first Since the distance into glue point to rotor drum inner wall of the injection molding of iron core polar arc sealing B is very short (because of iron core polar arc when secondary injection molding The height of sealing B is short), it thus will not influence the flowing of plastic cement fluid, and then few glue is less prone on polar arc sealing Or the case where starved, the quality and waterproof reliability when injection molding goes out iron core polar arc sealing are ensured that, even if once in a while Occurring being molded bad situation, injection molding is primary again again after this part plastic cement of iron core polar arc sealing can also being knocked out, without As for iron core and coil sealing, therefore more reasonable structure of the invention is scrapped, the yield rate of product can be improved.
In the present embodiment, as shown in Figure 6,7, when first time, injection molding formed iron core polar arc sealing, plastic cement filling completely should The open end of iron core, and surface round iron core corresponding position and side coat, and not only improve very thin iron core pole in this way The injection molding of arc sealing, and facilitate the promotion of the waterproof performance of iron core;Moreover, this mold when being molded first time The iron core polar arc sealing come can be combined together well with iron core without falling off, and do not have to the imploded arcs in iron core thus Multiple grooves are opened up on face, the loss of motor magnetic efficiency would not be also reduced because opening up groove, to ensure that draining pump Efficiency.
Pump body portion of the stator module part 1 as draining pump, preparation method (as shown in Figure 10) include the following steps:
1), the coiling 22 on coil rack 21;
2), iron core 23 is inserted into the iron core hole 211 of coil rack 21, obtains coil and iron core assembly body (that is a: left side of Figure 10 Upper angle that);In assembly, the freedom degree all around of iron core is limited by skeleton sky profile, and up and down direction is set for iron core and coil Interference fit is set, the assembly iron core is limited completely with Skeleton assembly freedom degree in this way, accurate positioning.
3) first time injection molding is carried out, based on coil 22 and 23 assembly of iron core, to form coil sealing A and iron core Polar arc sealing B(is i.e.: the upper right corner of Figure 10 that);Wherein, coil sealing A is to coat the root of coil and filling-in bit terminal Get up, and iron core polar arc sealing B is that coil rack is exposed outside after being inserted into from the iron core hole 211 of coil rack 21 Iron core cladding is divided to get up, at this point, being close to iron core open end by coil rack between coil sealing A and iron core polar arc sealing B That alien invasion 212 separate after will not be connected, as shown in Figure 9;When the rotor drum inner wall of iron core polar arc sealing B There is the case where few glue or starved, as long as injection molding is primary (without by coil sealing again after iron core polar arc sealing B is broken into pieces A is broken into pieces, and certainly, coil sealing A can not be broken into pieces to be molded again, this also exactly current either primary injection molding or two Secondary injection molding once appearance injection molding is bad to scrap, and can not break the key reason place being molded again into pieces again)
4), second is carried out based on coil sealing A, the exposed parts of 23 root of iron core and iron core polar arc sealing B to infuse Modeling, to form pump body portion (that is: that two figures below Figure 10, the two figures are perspective view of the pump housing in positive and negative direction), There is the rotor chamber 24 of the magnetic core 13 and bearing 14 for rotor bushing component inside its pump body portion.
It is aobvious for those skilled in the art by the disclosure although the present invention is described in detail referring to above example And be clear to, and in the case where not departing from the principle of the present invention and scope that the claim limits, it can be right The present invention makes a variety of changes or modifies.Therefore, the detailed description of the embodiment of the present disclosure is only used to explain, rather than is used to limit The present invention, but it is defined by the subject-matter of the claims the range of protection.

Claims (6)

1. a kind of draining pump, which is characterized in that including rotor assembly part and stator module part, in which:
The rotor assembly part includes fan blade, armature spindle, magnetic core and bearing;
The stator module body portion includes coil rack, the coil being wound on coil rack, with coil rack and coil Based on carry out first time injection molding and formed coil sealing, the U-shaped iron core in the coil rack, to be inserted into coil bone Second of iron core polar arc for being molded and being formed of progress is close based on exposing outside that a part of iron core in iron core hole behind the iron core hole of frame Envelope portion, the pump housing portion for carrying out third time injection molding based on coil sealing and iron core polar arc sealing and being formed;In the pump There is the rotor chamber for magnetic core and bearing inside body portion.
2. draining pump according to claim 1, which is characterized in that the iron core polar arc sealing fills opening for the full iron core Mouthful end, and surface round iron core corresponding position and side coat.
3. a kind of preparation method of the pump body portion of draining pump as described in claim 1, which is characterized in that including walking as follows It is rapid:
1), the coiling on coil rack;
2) first time injection molding is carried out, based on coil rack and the coil being wound on coil rack, to form coil sealing Portion;
3), iron core is inserted into the iron core hole of the coil rack of coil sealing;
4), second is carried out based on the part iron core for exposing outside the iron core hole behind the iron core hole for being inserted into coil sealing to infuse Modeling, to form iron core polar arc sealing;
5) third time injection molding, is carried out based on coil sealing, iron core and iron core polar arc sealing, to form pump body portion, There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside its pump body portion.
4. a kind of draining pump, which is characterized in that including rotor assembly part and stator module part, in which:
The rotor assembly part includes fan blade, armature spindle, magnetic core and bearing;
The stator module body portion includes coil rack, and the coil being wound on coil rack is encased in the iron of coil rack Iron core in core bore carries out first time injection molding and the coil sealing that is formed based on the assembly of skeleton, coil and iron core Second of pump for being molded and being formed is carried out with iron core polar arc sealing, again based on coil sealing and iron core polar arc sealing Body portion;The coil sealing be by the root of coil and filling-in bit terminal coat, and iron core polar arc sealing be by That a part of iron core cladding of coil rack is exposed outside after the insertion of the iron core hole of coil rack;The coil sealing One will not be linked to be after being separated between iron core polar arc sealing by that alien invasion that coil rack is close to iron core open end Body;There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside the pump housing portion.
5. draining pump according to claim 4, which is characterized in that the iron core polar arc sealing fills opening for the full iron core Mouthful end, and surface round iron core corresponding position and side coat.
6. a kind of preparation method of the pump body portion of draining pump as claimed in claim 4, which is characterized in that including walking as follows It is rapid:
1), the coiling on coil rack;
2), iron core is inserted into the iron core hole of coil rack, obtains coil and iron core assembly body;Iron core and coil are assembling When, the freedom degree all around of iron core is limited by skeleton sky profile, up and down direction setting interference fit;
3) first time injection molding is carried out, based on coil and iron core assembly body, to form coil sealing and the sealing of iron core polar arc Portion;The coil sealing gets up the root of coil and filling-in bit terminal cladding, and iron core polar arc sealing will be from coil bone After the iron core hole of frame exposes outside coil rack that a part of iron core cladding after being inserted into is got up, the coil sealing and iron core It will not be connected after being separated between polar arc sealing by that alien invasion that coil rack is close to iron core open end;
4), second is carried out based on coil sealing, the exposed parts of iron core root and iron core polar arc sealing to be molded, with Form pump body portion;There is the rotor chamber of the magnetic core and bearing for rotor bushing component inside its pump body portion.
CN201811030502.3A 2018-09-05 2018-09-05 The preparation method of draining pump and its pump body portion Pending CN109340127A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811030502.3A CN109340127A (en) 2018-09-05 2018-09-05 The preparation method of draining pump and its pump body portion

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CN109340127A true CN109340127A (en) 2019-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114050661A (en) * 2021-11-17 2022-02-15 维沃移动通信有限公司 Preparation method of shell, wireless charging equipment and kit thereof

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CN207321048U (en) * 2017-09-19 2018-05-04 江门市地尔汉宇电器股份有限公司 The draining pump that coil block can be cooled down
WO2018120452A1 (en) * 2016-12-29 2018-07-05 中山大洋电机股份有限公司 Stator assembly, method for manufacturing same, and motor using same
CN208858588U (en) * 2018-09-05 2019-05-14 广东赛普电器制造有限公司 Draining pump

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Publication number Priority date Publication date Assignee Title
KR100915913B1 (en) * 2008-03-07 2009-09-07 주식회사 청석 Bldc pump equipped with connector for improving quality at insert moulding
KR20090100690A (en) * 2008-03-20 2009-09-24 엘지전자 주식회사 Stator of linear compressor
CN104822944A (en) * 2012-12-12 2015-08-05 江门市地尔汉宇电器股份有限公司 AC permanent-magnet drain pump
KR101487010B1 (en) * 2013-07-22 2015-01-29 (주) 우성정공 Multi-component injection mold and injection method
CN204013154U (en) * 2014-07-28 2014-12-10 江门市地尔汉宇电器股份有限公司 A kind of permagnetic synchronous motor and iron core thereof
CN105322730A (en) * 2014-07-28 2016-02-10 江门市地尔汉宇电器股份有限公司 Permanent magnet synchronous motor and preparation method thereof
EP3261228A1 (en) * 2016-06-22 2017-12-27 BSH Hausgeräte GmbH Electric machine for a household appliance comprising at least partially overmoulded stator, pump, household appliance and method
WO2018120452A1 (en) * 2016-12-29 2018-07-05 中山大洋电机股份有限公司 Stator assembly, method for manufacturing same, and motor using same
CN207321048U (en) * 2017-09-19 2018-05-04 江门市地尔汉宇电器股份有限公司 The draining pump that coil block can be cooled down
CN208858588U (en) * 2018-09-05 2019-05-14 广东赛普电器制造有限公司 Draining pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114050661A (en) * 2021-11-17 2022-02-15 维沃移动通信有限公司 Preparation method of shell, wireless charging equipment and kit thereof

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