CN103840580A - Electromagnetic coil and framework and manufacturing method thereof - Google Patents
Electromagnetic coil and framework and manufacturing method thereof Download PDFInfo
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- CN103840580A CN103840580A CN201210495577.5A CN201210495577A CN103840580A CN 103840580 A CN103840580 A CN 103840580A CN 201210495577 A CN201210495577 A CN 201210495577A CN 103840580 A CN103840580 A CN 103840580A
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Abstract
The invention discloses an electromagnetic coil framework. The two sides of a cylindrical body of the electromagnetic coil framework extends in the radial direction to form a first edge-shaped portion and a second edge-shaped portion, the first edge-shaped portion is provided with an insertion pin maintaining portion extending in the radial direction, a plurality of reinforcing ribs sequentially arranged in the peripheral direction are arranged on the inner wall of the cylindrical body, and the reinforcing ribs are located between electromagnetic polar plates matched with the electromagnetic coil framework and adjacent claw poles on a stator casing. In the technical scheme, the space positions between the adjacent claw poles are effectively utilized by arranging the reinforcing ribs for improving the bearing strength of the framework, a main structure of the electromagnetic coil framework is not required to be greatly changed on the basis that the basic functions of a coil are achieved. Furthermore, particular achievement of improving the bearing strength does not increase the thickness of the main structure of the cylindrical body, and electromagnetic force is not substantially influenced, so that good integral performance of the electromagnetic coil can be ensured on the basis of increasing the bearing strength. On the basis, the invention further provides the electromagnetic coil with the framework and a manufacturing method of the electromagnetic coil.
Description
Technical field
The present invention relates to motor manufacturing technology field, be specifically related to a kind of solenoid and skeleton thereof, manufacture method.
Background technology
Stepping motor is widely used in different field with its good driveability.Such as, in air-conditioning converter technique field, stepping motor is as electric expansion valve core component, and its coil housing is contained in the outside of valve body, and the rotor in coil and valve body forms motor; In the course of work, drive the action of valve inner valve rod to realize the adjusting of aperture by rotor.Obviously, the Product Precision of solenoid and manufacturability thereof are one of key factors affecting the service behaviour of electric expansion valve.
As everyone knows, commercial electromagnet valve coil is made up of members such as the coil rack arranging in pairs, enamelled wire, electromagnetism pole plate and stator casings, and being formed with the contact pin for stube cable parts being connected with enamelled wire in a side of coil rack, overall dimension is relatively large.Refer to Fig. 1 and 2, wherein, Fig. 1 illustrates the schematic diagram of a kind of typical solenoid winding in prior art, and Fig. 2 is the schematic diagram of coil rack shown in Fig. 1.
Because coiling tensile force is directly proportional to enamelled wire 01 wire diameter, therefore, in the occasion that adopts large wire diameter enamelled wire, the tensile force of coiling is relatively large, and directly causes skeleton tubular agent 30 2 inwall compressive deformations; In addition,, in the injection moulding process of subsequent handling, also can cause that skeleton endoporus further shrinks, thereby make the consistency of product poor.Based on the coil rack of version shown in Fig. 2, increase skeleton cylinder inner wall thickness and web frame intensity if pass through, can cause that electromagnetic force declines, and then affect product overall performance.
In view of this, be urgently optimized design for existing coil rack, the problems referred to above that exist to overcome prior art.
Summary of the invention
For above-mentioned defect, the technical problem that the present invention solves is to provide a kind of electromagnetic coil skeleton, effectively to take into account the bearing strength of skeleton and the service behaviour of solenoid.On this basis, the present invention also provides a kind of manufacture method of solenoid and this solenoid of this skeleton of application.
Electromagnetic coil skeleton provided by the invention, the both sides of its cylinder radially extend to form the first blade of a sword shape portion and the second blade of a sword shape portion, have the contact pin maintaining part of radially extending in described the first blade of a sword shape portion; The inwall of described cylinder arranges the reinforcement that multiple edges circumferentially set gradually, and described reinforcement and suitable electromagnetism pole plate and the stator casing of described electromagnetic coil skeleton on the adjacent pawl utmost point between.
Preferably, described reinforcement is along at least two pairs of circumferential uniform settings, and every pair of described reinforcement is the relatively oblique shape that arranges.
Preferably, between each reinforcement and the adjacent pawl utmost point, be all formed with gap.
Preferably, between the inwall of described reinforcement and the inwall of the described pawl utmost point, there is radial distance.
Preferably, described radial distance is specially 0.1mm～0.3mm.
Preferably, the two ends of each reinforcement are all connected with the respective end of adjacent two reinforcements by dowel.
Solenoid provided by the invention, comprises coil rack, installs around the enamelled wire on described coil rack and is enclosed in electromagnetism pole plate and the stator casing at described coil rack two ends; Wherein, the pawl utmost point of described electromagnetism pole plate and the pawl utmost point of described stator casing are plugged in the cylinder of described coil rack in opposite directions, and the pawl utmost point of adjacent described electromagnetism pole plate and the pawl utmost point of described stator casing are along circumferentially having spacing; Described coil rack is specially front described electromagnetic coil skeleton.
Solenoid manufacture method provided by the invention, comprises the steps: the foregoing electromagnetic coil skeleton of a. injection moulding; B. be wound around enamelled wire, contact pin is fixed on described electromagnetic coil skeleton, and weld described enamelled wire and contact pin; C. assemble power on magnetic pole plate and stator casing, form coil assembly; D., after two described coil assemblies being mounted with, seal injection moulding.
Based on the basic structure of existing electromagnetic coil skeleton, the present invention has carried out Structure Improvement Design, on the inwall of this coil rack cylinder, be provided with the reinforcement that multiple edges circumferentially set gradually, and each reinforcement and the suitable electromagnetism pole plate and the adjacent pawl utmost point of stator casing of this electromagnetic coil skeleton between.In this programme, for improve skeleton bearing strength reinforcement effective locus having utilized between the adjacent pawl utmost point is set, meeting on the basis of coil basic function, do not need to do larger change for the agent structure of coil rack, reasonable in design, product reliability is higher; In addition, the specific implementation improving due to bearing strength does not increase the agent structure thickness of cylinder, and electromagnetic force can not be subject to substantial effect, thereby is improving on the basis of bearing strength, can guarantee the good integrity energy of solenoid.
In preferred version of the present invention, between the inwall of this reinforcement and the inwall of the pawl utmost point, have radial distance, so arrange, the inwall of reinforcement can not protrude from pawl utmost point inwall, can not form interference in the assembling process of valve body, has good adaptability.
In another preferred version of the present invention, the two ends of each reinforcement are all connected with the respective end of adjacent two reinforcements by dowel, further to improve the bearing capacity of skeleton.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of a kind of typical solenoid winding in prior art;
Fig. 2 is the schematic diagram of coil rack shown in Fig. 1;
Fig. 3 is the overall structure schematic diagram of solenoid winding described in the first embodiment;
Fig. 4 is that the axle of coil rack shown in Fig. 3 measures intention;
Fig. 5 is the axial cutaway view of coil rack shown in Fig. 4;
Fig. 6 is the assembly relation schematic diagram of electromagnetism pole plate, stator casing and coil rack described in the first embodiment;
Fig. 7 is the I portion enlarged drawing of Fig. 6;
Fig. 8 is the structural representation of stator casing 5;
Fig. 9 is the structural representation of electromagnetism pole plate 4;
Figure 10 is the manufacturing process flow schematic diagram of solenoid described in the first embodiment;
Figure 11 shows the axle of electromagnetic coil skeleton described in the second embodiment and measures intention;
Figure 12 is the assembly relation schematic diagram of electromagnetism pole plate, stator casing and coil rack described in the second embodiment;
Figure 13 is the II portion enlarged drawing of Figure 12.
In Fig. 2-Figure 13:
Embodiment
Core of the present invention is to provide a kind of electromagnetic coil skeleton, can effectively take into account the bearing strength of skeleton and the service behaviour of solenoid by structure optimization.Be specifically described for two embodiment below in conjunction with Figure of description.
Refer to Fig. 3, this illustrates the overall structure schematic diagram of solenoid winding described in the first embodiment.
Same as the prior art, this solenoid comprises coil rack 1 and is wound on the enamelled wire 2 on coil rack 1, be to be understood that, main framework and the prior art of this solenoid are basic identical, the both sides of its cylinder 11 radially extend to form the first blade of a sword shape portion 12 and the second blade of a sword shape portion 13, in the first blade of a sword shape portion 12, there is the contact pin maintaining part 14 of radially extending, contact pin 3 is connected with enamelled wire 2 by contact pin connecting portion 14, to input according to actual needs the corresponding signal of telecommunication, those skilled in the art can realize completely based on prior art, therefore repeat no more herein.For describing the concrete structure of coil rack described in present embodiment in detail, please also refer to Fig. 4 and Fig. 5, wherein, Fig. 4 is that the axle of coil rack measures intention described in this programme, and Fig. 5 is the axial cutaway view of coil rack shown in Fig. 4.
Shown in Fig. 4 and Fig. 5, the inwall of the cylinder 11 of this coil rack arranges the reinforcement 15 that multiple edges circumferentially set gradually, to improve the bearing strength of cylinder 11, and the reliable enamelled wire 2 of supporting around thereon; And reinforcement 15 and suitable electromagnetism pole plate 4 and the stator casing 5 of electromagnetic coil skeleton 1 on the adjacent pawl utmost point between.Please also refer to Fig. 6 and Fig. 7, wherein, Fig. 6 is the assembly relation schematic diagram of electromagnetism pole plate, stator casing and coil rack, the I portion enlarged drawing that Fig. 7 is Fig. 6.
As shown in the figure, the pawl utmost point 41 on electromagnetism pole plate 4 arranges at interval successively with the pawl utmost point 51 on stator casing 5, to meet the function needs of solenoid.In this programme, reinforcement 15 effective locus having utilized between the adjacent pawl utmost point 41 and the pawl utmost point 51 is set, meeting on the basis of coil basic function, for the agent structure of coil rack 1, electromagnetism pole plate 4 and stator casing 5 and do not need to do larger change.
Shown in figure, reinforcement 15 along circumferentially uniform arrange multipair.It should be noted that, number is set can sets according to the product type of different structure of reinforcement 15, obviously, is at least along two couple of circumferential uniform setting, avoids unidirectional distortion effectively all to carry.
In this programme, the pawl utmost point 41 on electromagnetism pole plate 4 is all the gradually little spininess in cross section with the pawl utmost point 51 on stator casing 5 to end from root, and geomery is roughly the same, specifically as shown in Figure 8 and Figure 9, wherein, Fig. 8 is the structural representation of stator casing 5, and Fig. 9 is the structural representation of electromagnetism pole plate 4.
Between the adjacent pawl utmost point 41 and the pawl utmost point 51, form oblique gap thus; Therefore correspondingly, every pair of reinforcement 15 is the relatively oblique shape that arranges.Should be appreciated that the shape that arranges about reinforcement 15, the shape that can adapt to the corresponding pawl utmost point is completely set, to apply to greatest extent the useful space between the pawl utmost point.
Refer to Figure 10, this figure is the manufacturing process flow schematic diagram of solenoid described in this programme.Below in conjunction with the method for manufacturing technology of specification brief description aforementioned electromagnetic coil, mainly comprise the steps:
A. the foregoing electromagnetic coil skeleton 1 of injection moulding;
B. be wound around enamelled wire 2, guarantee by the first blade of a sword shape portion 12, second blade of a sword shape portion 13 of coil rack 1 width that enamelled wire 2 is wound around; And contact pin 3 is fixed on electromagnetic coil skeleton 1, and weld enamelled wire 2 and contact pin 3, set up both reliable conducting relations;
C. assemble power on magnetic pole plate 4 and stator casing 5, form coil assembly;
D., after two described coil assemblies being mounted with, seal injection moulding.
Known based on aforementioned manufacture method, do further to optimize for the fitted position relation between member or structure in order to improve packaging technology sexual needs.Preferably, between each reinforcement 15 and the adjacent pawl utmost point, be all formed with gap, for ease of carrying out the instrumentation operations of electromagnetism pole plate 4 and stator casing 5.
In addition, between the inwall of the inwall of reinforcement 15 and each pawl utmost point (the pawl utmost point 41 and the pawl utmost point 51), there is radial distance.So arrange, the inwall of reinforcement can not protrude from pawl utmost point inwall, can not form interference in the assembling process of valve body, has good adaptability.Certainly, this radial distance is excessive, i.e. the too thin effect that does not have reinforcement bearing capacity of reinforcement 15, and this radial distance is preferably 0.1mm～0.3mm, is optimal case.
In addition, for improving to greatest extent the bearing capacity of coil rack, can on the basis of previous embodiment, do further to optimize, please also refer to Figure 11, the figure shows the axle of electromagnetic coil skeleton described in the second embodiment and measure intention.
The main body of this programme and electromagnetic coil skeleton described in the first embodiment forms identical, and difference is, the two ends of each reinforcement 15 of this programme are all connected with the respective end of adjacent two reinforcements 15 by dowel 16.For the clear difference contact that two schemes are shown, in accompanying drawing, identical components or structure all adopt respective markers to indicate.
Compared with the first embodiment, the further bearing capacity of coil rack 1 of the setting of dowel 16 in this programme, meanwhile, this dowel 16 the assembly space that is adapted to equally the adjacent pawl utmost point is set.Please also refer to Figure 12 and Figure 13, wherein, Figure 12 is the assembly relation schematic diagram of electromagnetism pole plate, stator casing and coil rack described in the second embodiment, the II portion enlarged drawing that Figure 13 is Figure 12.
As shown in the figure, in this programme, dowel 16 lays respectively at the head end side of the corresponding pawl utmost point, obviously, further improving on the basis of coil rack 1 bearing strength, still can guarantee that the pawl utmost point 51 on the pawl utmost point 41 and the stator casing 5 on electromagnetism pole plate 4 reliably assembles.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. electromagnetic coil skeleton, the both sides of its cylinder radially extend to form the first blade of a sword shape portion and the second blade of a sword shape portion, have the contact pin maintaining part of radially extending in described the first blade of a sword shape portion; It is characterized in that, the inwall of described cylinder arranges the reinforcement that multiple edges circumferentially set gradually, and described reinforcement and suitable electromagnetism pole plate and the stator casing of described electromagnetic coil skeleton on the adjacent pawl utmost point between.
2. electromagnetic coil skeleton according to claim 1, is characterized in that, described reinforcement is along at least two pairs of circumferential uniform settings, and every pair of described reinforcement is the relatively oblique shape that arranges.
3. electromagnetic coil skeleton according to claim 1, is characterized in that, between each reinforcement and the adjacent pawl utmost point, is all formed with gap.
4. according to the electromagnetic coil skeleton described in any one in claims 1 to 3, it is characterized in that thering is radial distance between the inwall of described reinforcement and the inwall of the described pawl utmost point.
5. electromagnetic coil skeleton according to claim 4, is characterized in that, described radial distance is specially 0.1mm～0.3mm.
6. according to the electromagnetic coil skeleton described in any one in claims 1 to 3, it is characterized in that, the two ends of each reinforcement are all connected with the respective end of adjacent two reinforcements by dowel.
7. solenoid, comprises coil rack, installs around the enamelled wire on described coil rack and is enclosed in electromagnetism pole plate and the stator casing at described coil rack two ends; Wherein, the pawl utmost point of described electromagnetism pole plate and the pawl utmost point of described stator casing are plugged in the cylinder of described coil rack in opposite directions, and the pawl utmost point of adjacent described electromagnetism pole plate and the pawl utmost point of described stator casing are along circumferentially having spacing; It is characterized in that, described coil rack is specially the electromagnetic coil skeleton described in any one in claim 1 to 6.
8. solenoid manufacture method, is characterized in that, comprises the steps:
A. the electromagnetic coil skeleton of injection moulding as described in any one in claim 1 to 6;
B. be wound around enamelled wire, contact pin is fixed on described electromagnetic coil skeleton, and weld described enamelled wire and contact pin;
C. assemble power on magnetic pole plate and stator casing, form coil assembly;
D., after two described coil assemblies being mounted with, seal injection moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210495577.5A CN103840580A (en) | 2012-11-27 | 2012-11-27 | Electromagnetic coil and framework and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210495577.5A CN103840580A (en) | 2012-11-27 | 2012-11-27 | Electromagnetic coil and framework and manufacturing method thereof |
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| CN103840580A true CN103840580A (en) | 2014-06-04 |
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| CN201210495577.5A Pending CN103840580A (en) | 2012-11-27 | 2012-11-27 | Electromagnetic coil and framework and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469574A (en) * | 2014-12-30 | 2015-03-25 | 哈尔滨固泰电子有限责任公司 | Coil fixing device and assembly method |
| CN105186735A (en) * | 2015-08-31 | 2015-12-23 | 江苏凯德电控科技有限公司 | Cover board and framework assembly structure of motor |
| CN105351358A (en) * | 2015-12-11 | 2016-02-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic levitation bearing framework and magnetic levitation bearing |
| CN106653300A (en) * | 2016-12-13 | 2017-05-10 | 四川长虹电子部品有限公司 | Injection molding-type security isolating electronic transformer and manufacturing method thereof |
| CN106992065A (en) * | 2017-03-21 | 2017-07-28 | 常州华旋传感技术有限公司 | The integrated junction track structure of the loose ends coiling of magnetic resistance speed sensor coil rack |
| CN108667242A (en) * | 2018-07-16 | 2018-10-16 | 杨厚成 | A kind of exoskeletal linear motor coil and its make mold, production method |
| CN111289766A (en) * | 2020-03-11 | 2020-06-16 | 浙江联宜电机有限公司 | High-precision motor velometer for mask production equipment |
| CN113464705A (en) * | 2020-03-30 | 2021-10-01 | 盾安环境技术有限公司 | Electromagnetic coil and processing method thereof |
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| KR20040064985A (en) * | 2003-01-13 | 2004-07-21 | 엘지이노텍 주식회사 | Structure of Stepping Motor |
| CN1831410A (en) * | 2005-03-11 | 2006-09-13 | 浙江三花股份有限公司 | Manufacturing method for coil of electronic expansion valve |
| CN1945944A (en) * | 2005-10-09 | 2007-04-11 | 精工电子有限公司 | Step motor and electronic equipment |
| CN202435153U (en) * | 2012-02-22 | 2012-09-12 | 深圳华任兴科技有限公司 | Disc type motor with amorphous iron alloy axial magnetic circuit and stator assembly of disc type motor |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003189584A (en) * | 2001-12-17 | 2003-07-04 | Asmo Co Ltd | Stepping motor |
| KR20040064985A (en) * | 2003-01-13 | 2004-07-21 | 엘지이노텍 주식회사 | Structure of Stepping Motor |
| CN1831410A (en) * | 2005-03-11 | 2006-09-13 | 浙江三花股份有限公司 | Manufacturing method for coil of electronic expansion valve |
| CN1945944A (en) * | 2005-10-09 | 2007-04-11 | 精工电子有限公司 | Step motor and electronic equipment |
| CN202435153U (en) * | 2012-02-22 | 2012-09-12 | 深圳华任兴科技有限公司 | Disc type motor with amorphous iron alloy axial magnetic circuit and stator assembly of disc type motor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469574A (en) * | 2014-12-30 | 2015-03-25 | 哈尔滨固泰电子有限责任公司 | Coil fixing device and assembly method |
| CN105186735A (en) * | 2015-08-31 | 2015-12-23 | 江苏凯德电控科技有限公司 | Cover board and framework assembly structure of motor |
| CN105351358A (en) * | 2015-12-11 | 2016-02-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic levitation bearing framework and magnetic levitation bearing |
| CN106653300A (en) * | 2016-12-13 | 2017-05-10 | 四川长虹电子部品有限公司 | Injection molding-type security isolating electronic transformer and manufacturing method thereof |
| CN106992065A (en) * | 2017-03-21 | 2017-07-28 | 常州华旋传感技术有限公司 | The integrated junction track structure of the loose ends coiling of magnetic resistance speed sensor coil rack |
| CN108667242A (en) * | 2018-07-16 | 2018-10-16 | 杨厚成 | A kind of exoskeletal linear motor coil and its make mold, production method |
| CN108667242B (en) * | 2018-07-16 | 2023-12-29 | 杨厚成 | Frameless linear motor coil, manufacturing die and manufacturing method thereof |
| CN111289766A (en) * | 2020-03-11 | 2020-06-16 | 浙江联宜电机有限公司 | High-precision motor velometer for mask production equipment |
| CN113464705A (en) * | 2020-03-30 | 2021-10-01 | 盾安环境技术有限公司 | Electromagnetic coil and processing method thereof |
| CN113464705B (en) * | 2020-03-30 | 2024-01-23 | 盾安环境技术有限公司 | Electromagnetic coil and processing method thereof |
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Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Applicant after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Chengguan Zhejiang city of Shaoxing province Xinchang County town Applicant before: Zhejiang Sanhua Co., Ltd. |
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Application publication date: 20140604 |