CN107888001B - Stator connection structure of external rotor motor - Google Patents
Stator connection structure of external rotor motor Download PDFInfo
- Publication number
- CN107888001B CN107888001B CN201711125001.9A CN201711125001A CN107888001B CN 107888001 B CN107888001 B CN 107888001B CN 201711125001 A CN201711125001 A CN 201711125001A CN 107888001 B CN107888001 B CN 107888001B
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- China
- Prior art keywords
- injection molding
- stator
- side end
- molding stator
- framework
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Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 49
- 229920003023 plastic Polymers 0.000 claims abstract description 42
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a stator connecting structure of an outer rotor motor, which comprises an injection molding stator, wherein an enameled wire is wound on the injection molding stator, and the enameled wire is connected with a terminal connector fixed on the injection molding stator; the injection molding stator comprises an injection molding stator framework, wherein a positioning mechanism is arranged at the yoke part of the injection molding stator framework, and clamping grooves corresponding to the positioning mechanism are arranged at the tooth part of the injection molding stator framework; the terminal connector comprises a plastic outer box, wherein the inner side end of the plastic outer box is provided with a fixing mechanism matched with the positioning mechanism, and a first clamping projection matched with the clamping groove is arranged below the inner side end of the plastic outer box; the inner side end of the fixing mechanism is provided with a connecting sheet, and the enameled wire is wound on the connecting sheet. The invention not only facilitates the installation of the terminal box, but also has the characteristics of effectively fixing the terminal box and prolonging the service life of the motor.
Description
Technical Field
The invention relates to an outer rotor motor, in particular to a stator connecting structure of an outer rotor motor.
Background
The outer rotor plastic package motor is composed of plastic package stator and rotor. The plastic package stator is formed by injection molding on the basis of a stator core, the enameled wire is wound on the injection molding stator, a terminal box is arranged on the injection molding stator and connected with the enameled wire, the plastic package stator is convenient to be connected with a three-phase power supply in later use, and finally, integral plastic package molding is carried out, so that the plastic package stator is obtained. However, the existing terminal box is easy to shift during plastic packaging, so that the terminal box is deviated from a set position, the connection between the enameled wire and the terminal box is easy to be unstable, the enameled wire is easy to separate from the terminal box, the normal use of the motor is influenced, and the service life of the motor is short; meanwhile, the terminal box is fixed through another tool when in injection molding, so that the operation is affected, and the operation difficulty is increased. Therefore, the prior art has the problems that the terminal box is inconvenient to install, the terminal box is easy to deviate and the service life of the motor is short.
Disclosure of Invention
The invention aims to provide a stator connecting structure of an external rotor motor. The invention not only facilitates the installation of the terminal box, but also has the characteristics of effectively fixing the terminal box and prolonging the service life of the motor.
The technical scheme of the invention is as follows: the stator connecting structure of the external rotor motor comprises an injection molding stator, wherein an enameled wire is wound on the injection molding stator, and the enameled wire is connected with a terminal connector fixed on the injection molding stator; the injection molding stator comprises an injection molding stator framework, wherein a positioning mechanism is arranged at the yoke part of the injection molding stator framework, and clamping grooves corresponding to the positioning mechanism are arranged at the tooth part of the injection molding stator framework; the terminal connector comprises a plastic outer box, wherein the inner side end of the plastic outer box is provided with a fixing mechanism matched with the positioning mechanism, and a first clamping projection matched with the clamping groove is arranged below the inner side end of the plastic outer box; the inner side end of the fixing mechanism is provided with a connecting sheet.
In the stator connecting structure of the outer rotor motor, the yoke part of the injection molding stator framework is provided with an inner ring surface; the positioning mechanism comprises a group of annular clamping posts arranged on the injection molding stator framework, the clamping posts are positioned on the outer side of the inner ring surface of the injection molding stator framework, a connecting block is arranged on the inner side of the inner ring surface of the injection molding stator framework, and the positioning posts are arranged on the connecting block.
In the stator connecting structure of the outer rotor motor, the fixing mechanism comprises a connecting plate, the outer side end of the connecting plate is fixed with the inner side end of the plastic outer box, the inner side end of the connecting plate is provided with a fixing plate, the fixing plate is provided with a positioning hole matched with the positioning column, and a second clamping convex block is arranged below the inner side end of the connecting plate; the connecting sheet is positioned above the fixing plate.
In the stator connecting structure of the outer rotor motor, the connecting plate is provided with the through groove.
In the stator connecting structure of the outer rotor motor, the connecting piece comprises a connecting piece body, and the lower end of the connecting piece body is connected with the fixing plate; two side surfaces of the upper part of the connecting sheet are provided with clamping grooves.
In the stator connecting structure of the outer rotor motor, the upper end of the connecting sheet body is provided with a triangular structure.
In the stator connecting structure of the outer rotor motor, a step groove is formed above the inner side end of the plastic outer box; and an outer interface is arranged at the outer side end of the plastic outer box.
Compared with the prior art, the tooth yoke of the injection molding stator framework is respectively provided with the clamping groove and the positioning mechanism, and the terminal connector is provided with the fixing mechanism and the first clamping convex block which correspond to the positioning mechanism and the clamping groove respectively, so that the terminal connector can be firmly connected with the injection molding stator, the terminal connector cannot deviate during plastic packaging, the connection firmness degree between the enameled wire and the terminal connector is improved, the normal use of the motor can be ensured, and the service life of the motor is prolonged; through fixed terminal connector for need not fix terminal connector when the plastic envelope, the effectual convenience that improves the plastic envelope makes things convenient for terminal connector's installation. Meanwhile, the connecting sheet used for winding the connecting end of the enameled wire is arranged at the inner side end of the terminal connector fixing mechanism, the enameled wire and the connecting sheet are fixed by adopting a welding means, and the connecting stability and the reliability of the enameled wire can be further improved by increasing the contact area of the enameled wire; through fixed mutually at enameled wire and connection piece, can also give terminal connector a decurrent pressure, improve terminal connector installation's stability. In summary, the invention not only facilitates the installation of the terminal box, but also has the characteristics of effectively fixing the terminal box and prolonging the service life of the motor.
In addition, the clamping grooves are formed in the two ends of the upper part of the connecting sheet, so that the enameled wires can be wound conveniently, and the connection firmness of the enameled wires is ensured; through setting up triangle-shaped structure in the connection piece upper end, impact force when can effectual buffering plastic envelope reduces the atress of terminal connector to can reduce the skew. Through set up logical groove on the connecting plate, be convenient for plastic envelope material passes for the connecting plate is moulded into an organic whole with the stator that moulds plastics, improves the stability of terminal connector.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of an injection molded stator from another perspective;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is a schematic view of a terminal connector;
fig. 5 is a schematic view of another view of the terminal connector.
The marks in the drawings are: the novel plastic injection molding machine comprises a 1-injection molding stator, a 2-terminal connector, a 101-injection molding stator framework, a 102-positioning mechanism, 103-clamping grooves, 104-clamping columns, 105-connecting blocks, 106-positioning columns, 201-plastic outer boxes, 202-outer interfaces, 203-fixing mechanisms, 204-first clamping convex blocks, 205-connecting pieces, 206-connecting plates, 207-fixing plates, 208-positioning holes, 209-second clamping convex blocks, 210-through grooves, 211-connecting piece bodies, 212-clamping grooves, 213-triangular structures and 214-step grooves.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The stator connecting structure of the external rotor motor is shown in fig. 1 to 5, and comprises an injection molding stator 1, wherein an enameled wire is wound on the injection molding stator 1, and the enameled wire is connected with a terminal connector 2 fixed on the injection molding stator 1; the injection molding stator 1 comprises an injection molding stator framework 101, wherein a positioning mechanism 102 is arranged at the yoke part of the injection molding stator framework 101, and clamping grooves 103 corresponding to the positioning mechanism 102 are arranged at the tooth part of the injection molding stator framework 101; the terminal connector 2 comprises a plastic outer box 201, a fixing mechanism 203 matched with the positioning mechanism 102 is arranged at the inner side end of the plastic outer box 201, and a first clamping projection 204 matched with the clamping groove 103 is arranged below the inner side end of the plastic outer box 201; the inner side end of the fixing mechanism 203 is provided with a connecting sheet 205, and the connecting end of the enameled wire is wound on the connecting sheet 205.
The yoke part of the injection molding stator framework 101 is provided with an inner ring surface; the positioning mechanism 102 comprises a group of annular clamping columns 104 arranged on the injection molding stator framework 101, the clamping columns 104 are located on the outer side of the inner annular surface of the injection molding stator framework 101, a connecting block 105 is arranged on the inner side of the inner annular surface of the injection molding stator framework 101, and a positioning column 106 is arranged on the connecting block 105.
The fixing mechanism 203 comprises a connecting plate 206, the outer side end of the connecting plate 206 is fixed with the inner side end of the plastic outer box 201, a fixing plate 207 is arranged at the inner side end of the connecting plate 206, a positioning hole 208 matched with the positioning column 106 is arranged on the fixing plate 207, and a second clamping projection 209 is arranged below the inner side end of the connecting plate 206; the connecting piece 205 is located above the fixing plate 207.
The connecting plate 206 is provided with a through groove 210.
The connecting piece 205 comprises a connecting piece body 211, and the lower end of the connecting piece body 211 is connected with the fixing plate 207; two sides of the upper part of the connecting sheet 206 are provided with clamping grooves 212.
The upper end of the connecting piece body 211 is provided with a triangle structure 213.
A step groove 214 is arranged above the inner side end of the plastic outer box 201; the outer end of the plastic outer box 201 is provided with an outer interface 202.
The stator core is injection molded into an injection molded stator, an enameled wire is wound on the injection molded stator 1 through an automatic winding machine, and then the enameled wire is connected with the terminal connector 2.
Connection process of the terminal connector 2: through the structure on the stator skeleton 101 of moulding plastics and the outer box 201 of plastics, carry out the physical connection, make terminal connector 2 fix on the stator 1 frame of moulding plastics (with the locating hole 208 on the terminal connector 2 with the reference column 106 looks block on the stator skeleton 101 of moulding plastics, the second joint lug 209 is fixed between joint column 104 and the interior ring face of the stator skeleton 101 of moulding plastics, with first joint lug 204 block in draw-in groove 103, realize terminal connector 2's fixed). After the enamel-covered wire is subjected to the enamel removal treatment, the enamel-covered wire is wound on a connecting sheet 205 of the terminal connector 2, and then the welding treatment is carried out; and finally, carrying out plastic package molding on the connected stator.
Claims (3)
1. A stator connection structure of an external rotor motor is characterized in that: the device comprises an injection molding stator (1), wherein an enameled wire is wound on the injection molding stator (1), and the enameled wire is connected with a terminal connector (2) fixed on the injection molding stator (1); the injection molding stator (1) comprises an injection molding stator framework (101), wherein a positioning mechanism (102) is arranged at the yoke part of the injection molding stator framework (101), and clamping grooves (103) corresponding to the positioning mechanism (102) are arranged at the tooth part of the injection molding stator framework (101); the terminal connector (2) comprises a plastic outer box (201), a fixing mechanism (203) matched with the positioning mechanism (102) is arranged at the inner side end of the plastic outer box (201), and a first clamping convex block (204) matched with the clamping groove (103) is arranged below the inner side end of the plastic outer box (201); the inner side end of the fixing mechanism (203) is provided with a connecting sheet (205);
the yoke part of the injection molding stator framework (101) is provided with an inner ring surface; the positioning mechanism (102) comprises a group of annularly arranged clamping columns (104) arranged on the injection molding stator framework (101), the clamping columns (104) are positioned at the outer side of the inner ring surface of the injection molding stator framework (101), a connecting block (105) is arranged at the inner side of the inner ring surface of the injection molding stator framework (101), and a positioning column (106) is arranged on the connecting block (105);
the fixing mechanism (203) comprises a connecting plate (206), the outer side end of the connecting plate (206) is fixed with the inner side end of the plastic outer box (201), the inner side end of the connecting plate (206) is provided with a fixing plate (207), the fixing plate (207) is provided with a positioning hole (208) matched with the positioning column (106), and a second clamping convex block (209) is arranged below the inner side end of the connecting plate (206); the connecting sheet (205) is positioned above the fixing plate (207);
the connecting plate (206) is provided with a through groove (210);
the connecting piece (205) comprises a connecting piece body (211), and the lower end of the connecting piece body (211) is connected with the fixing plate (207); two side surfaces of the upper part of the connecting sheet body (211) are provided with clamping grooves (212).
2. The stator connecting structure of an external rotor motor according to claim 1, wherein: the upper end of the connecting sheet body (211) is provided with a triangle structure (213).
3. The stator connecting structure of an external rotor motor according to claim 1, wherein: a step groove (214) is formed above the inner side end of the plastic outer box (201); an outer interface (202) is arranged at the outer side end of the plastic outer box (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125001.9A CN107888001B (en) | 2017-11-14 | 2017-11-14 | Stator connection structure of external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125001.9A CN107888001B (en) | 2017-11-14 | 2017-11-14 | Stator connection structure of external rotor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107888001A CN107888001A (en) | 2018-04-06 |
| CN107888001B true CN107888001B (en) | 2023-12-01 |
Family
ID=61776644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711125001.9A Active CN107888001B (en) | 2017-11-14 | 2017-11-14 | Stator connection structure of external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107888001B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418379B (en) * | 2018-05-03 | 2024-03-01 | 湖州越球电机有限公司 | Low-cost BLDC motor |
| CN108599428A (en) * | 2018-07-11 | 2018-09-28 | 德清三星机电科技有限公司 | A kind of permanent magnet motor stator outlet fixing structure |
| CN108808927B (en) * | 2018-07-13 | 2023-11-28 | 卧龙电气集团股份有限公司 | Stator assembly and motor |
| CN109067053B (en) * | 2018-07-26 | 2023-09-15 | 珠海格力电器股份有限公司 | Stator framework, stator, assembly method of stator and magnetic suspension bearing |
| CN110198094A (en) * | 2019-06-28 | 2019-09-03 | 德清三星机电科技有限公司 | A kind of buckle structure of permanent magnet motor stator lead-out wire |
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| CN105846606A (en) * | 2016-05-20 | 2016-08-10 | 珠海凯邦电机制造有限公司 | Prevent fixing device and stator module and motor that circuit board was moulded plastics and is dropped |
| WO2016129287A1 (en) * | 2015-02-12 | 2016-08-18 | デンソートリム株式会社 | Dynamo-electric machine for internal combustion engine, and stator therefor |
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| CN106936254A (en) * | 2017-04-21 | 2017-07-07 | 上海朝众电机有限公司 | A kind of simple type circuit connection structure of rotation motor |
| WO2017118786A1 (en) * | 2016-01-05 | 2017-07-13 | Valeo Equipements Electriques Moteur | Stator for a rotary electric machine |
| CN207459861U (en) * | 2017-11-14 | 2018-06-05 | 湖州越球电机有限公司 | The stator connection structure of external rotor electric machine |
-
2017
- 2017-11-14 CN CN201711125001.9A patent/CN107888001B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047330A (en) * | 2006-03-31 | 2007-10-03 | 厦门达真磁记录有限公司 | Stator structure of permanent magnetic claw step electric machine |
| JP2008208880A (en) * | 2007-02-26 | 2008-09-11 | Kyocera Mita Corp | Electromagnetic clutch |
| JP2009017667A (en) * | 2007-07-04 | 2009-01-22 | Honda Motor Co Ltd | Stator |
| CN103457364A (en) * | 2013-09-05 | 2013-12-18 | 珠海格力电器股份有限公司 | Stator, manufacturing method thereof and motor |
| CN203522446U (en) * | 2013-09-12 | 2014-04-02 | 珠海格力电器股份有限公司 | Motor and detector fixing seat thereof |
| WO2016129287A1 (en) * | 2015-02-12 | 2016-08-18 | デンソートリム株式会社 | Dynamo-electric machine for internal combustion engine, and stator therefor |
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| CN205647084U (en) * | 2016-04-12 | 2016-10-12 | 上海赢双电机有限公司 | Stator skeleton for electrical resolver |
| CN105846606A (en) * | 2016-05-20 | 2016-08-10 | 珠海凯邦电机制造有限公司 | Prevent fixing device and stator module and motor that circuit board was moulded plastics and is dropped |
| CN106936254A (en) * | 2017-04-21 | 2017-07-07 | 上海朝众电机有限公司 | A kind of simple type circuit connection structure of rotation motor |
| CN207459861U (en) * | 2017-11-14 | 2018-06-05 | 湖州越球电机有限公司 | The stator connection structure of external rotor electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107888001A (en) | 2018-04-06 |
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