CN107888001A - A kind of stator connection structure of external rotor electric machine - Google Patents
A kind of stator connection structure of external rotor electric machine Download PDFInfo
- Publication number
- CN107888001A CN107888001A CN201711125001.9A CN201711125001A CN107888001A CN 107888001 A CN107888001 A CN 107888001A CN 201711125001 A CN201711125001 A CN 201711125001A CN 107888001 A CN107888001 A CN 107888001A
- Authority
- CN
- China
- Prior art keywords
- stator
- injection moulded
- electric machine
- medial extremity
- external rotor
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims abstract description 54
- 239000007924 injection Substances 0.000 claims abstract description 54
- 229920003023 plastic Polymers 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 210000003414 extremity Anatomy 0.000 description 15
- 238000004806 packaging method and process Methods 0.000 description 12
- 210000003739 neck Anatomy 0.000 description 7
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 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 kind of stator connection structure of external rotor electric machine, including injection moulded stator, enamel-covered wire is wound with injection moulded stator, enamel-covered wire is connected with the terminal connector being fixed on injection moulded stator；Described injection moulded stator includes injection moulded stator skeleton, and injection moulded stator skeleton yoke portion is provided with detent mechanism, and injection moulded stator skeleton teeth portion is provided with the neck corresponding with detent mechanism；Described terminal connector includes plastics outer box, and plastics outer box medial extremity is provided with the fixed mechanism being engaged with detent mechanism, and the lower section of plastics outer box medial extremity is provided with the first clamping bump being engaged with neck；Described fixed mechanism medial extremity is provided with connection sheet, and enamel-covered wire is wound in connection sheet.The present invention not only facilitates the installation of terminal board, but also with can effectively the service life of fixing terminal box and extension motor the characteristics of.
Description
Technical field
The present invention relates to a kind of external rotor electric machine, particularly a kind of stator connection structure of external rotor electric machine.
Background technology
Outer rotor plastic packaging motor is made up of parts such as plastic packaging stator and rotors.Plastic packaging stator is on the basis of stator core
Injection molding is injection moulded stator, after enamel-covered wire is wrapped in into injection moulded stator, mounting terminal box and enamel-covered wire phase on injection moulded stator
Even, it is easy to the later stage to be connected when using with three phase mains, finally carries out overall plastic packaging shaping, obtain plastic packaging stator.It is but existing
Terminal board is easily shifted in plastic packaging so that terminal board deviates with the position set, easily causes enamel-covered wire and terminal
Connect insecure between box, enamel-covered wire is easily separated with terminal board, influences the normal use of motor, cause motor service life compared with
It is short；Meanwhile terminal board also needs to be fixed by other instrument in injection, influences to operate, and increases operation difficulty.Therefore,
Existing technology there is terminal board installation is inconvenient, terminal board easily shifts with motor service life it is short the problem of.
The content of the invention
It is an object of the present invention to provide a kind of stator connection structure of external rotor electric machine.The present invention not only facilitates terminal
The installation of box, but also with can effectively fixing terminal box and extension motor service life the characteristics of.
Technical scheme：A kind of stator connection structure of external rotor electric machine, including injection moulded stator, on injection moulded stator
Enamel-covered wire is wound with, enamel-covered wire is connected with the terminal connector being fixed on injection moulded stator；Described injection moulded stator includes injection
Stator skeleton, injection moulded stator skeleton yoke portion are provided with detent mechanism, and injection moulded stator skeleton teeth portion is provided with corresponding with detent mechanism
Neck；Described terminal connector includes plastics outer box, and plastics outer box medial extremity is provided with the fixation machine being engaged with detent mechanism
Structure, the lower section of plastics outer box medial extremity are provided with the first clamping bump being engaged with neck；Described fixed mechanism medial extremity is set
There is connection sheet.
In a kind of stator connection structure of foregoing external rotor electric machine, the yoke portion of the injection moulded stator skeleton is provided with inner ring
Face；Described detent mechanism includes one group of clip-connecting rod arranged in a ring being arranged on injection moulded stator skeleton, and clip-connecting rod position
In the outside of injection moulded stator skeleton inner ring surface, the inner side of injection moulded stator skeleton inner ring surface is provided with contiguous block, and contiguous block is provided with fixed
Position post.
In a kind of stator connection structure of foregoing external rotor electric machine, described fixed mechanism includes connecting plate, connecting plate
Outboard end mutually fixed with plastics outer box medial extremity, connecting plate medial extremity is provided with fixed plate, and fixed plate is provided with and locating dowel phase
The positioning hole of cooperation, the lower section of connecting plate medial extremity are provided with the second clamping bump；Described connection sheet is located at the top of fixed plate.
In a kind of stator connection structure of foregoing external rotor electric machine, described connecting plate is provided with groove.
In a kind of stator connection structure of foregoing external rotor electric machine, described connection sheet includes connection sheet body, connection
Piece body lower end is connected with fixed plate；The two sides on connection sheet top are provided with buckling groove.
In a kind of stator connection structure of foregoing external rotor electric machine, the connection sheet body upper end is provided with triangle knot
Structure.
In a kind of stator connection structure of foregoing external rotor electric machine, the top of the plastics outer box medial extremity is provided with ladder
Groove；The plastics outer box outboard end is provided with external tapping.
Compared with prior art, the present invention sets neck and localization machine respectively by the tooth yoke portion in injection moulded stator skeleton
Structure, fixed mechanism corresponding with detent mechanism and neck respectively and the first clamping bump are set on terminal plug connector so that
Terminal connector can be connected firmly with injection moulded stator, and in plastic packaging, terminal connector will not shift, improve enamel-covered wire and
The degree that is connected firmly between terminal connector, motor normal use can not only be ensured, extend motor service life；By solid
Fixed end sub-connector so that terminal connector need not be fixed in plastic packaging, effectively raise the convenience of plastic packaging,
Facilitate the installation of terminal connector.Meanwhile by being provided for winding enamel-covered wire in the medial extremity of terminal connector fixed mechanism
The connection sheet of connection end, enamel-covered wire is mutually fixed with connection sheet using welding means, by increasing the contact area of enamel-covered wire, more
The connective stability and reliability of enamel-covered wire can further be improved；By mutually being fixed with connection sheet in enamel-covered wire, moreover it is possible to end
One downward pressure of sub-connector, improve the stability of terminal connector installation.In summary, the present invention not only facilitates end
The installation of sub- box, but also with can effectively fixing terminal box and extension motor service life the characteristics of.
In addition, by setting buckling groove at the both ends on connection sheet top, the winding of enamel-covered wire can be facilitated, ensure enamel-covered wire
The fastness of connection；By setting triangular structure in connection sheet upper end, impulsive force during plastic packaging can be effectively buffered, is reduced
The stress of terminal connector, so as to reduce skew.By setting groove on connecting plate, it is easy to capsulation material to pass through, makes
Obtain connecting plate and injection moulded stator plastic packaging is integral, improve the stability of terminal connector.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the injection moulded stator at another visual angle；
Fig. 3 is the overall structure diagram of the present invention；
Fig. 4 is the structural representation of terminal connector；
Fig. 5 is the schematic diagram at another visual angle of terminal connector.
Mark in accompanying drawing for：1- injection moulded stators, 2- terminal connectors, 101- injection moulded stator skeletons, 102- detent mechanisms,
103- necks, 104- clip-connecting rods, 105- contiguous blocks, 106- locating dowels, 201- plastics outer box, 202- external tappings, 203- fix machine
Structure, the clamping bumps of 204- first, 205- connection sheets, 206- connecting plates, 207- fixed plates, 208- positioning holes, the clampings of 209- second
Projection, 210- grooves, 211- connection sheet bodies, 212- buckling grooves, 213- triangular structures, 214- step troughs.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of stator connection structure of external rotor electric machine, form as shown in Figures 1 to 5, including injection moulded stator 1,
Enamel-covered wire is wound with injection moulded stator 1, enamel-covered wire is connected with the terminal connector 2 being fixed on injection moulded stator 1；Described injection
Stator 1 includes injection moulded stator skeleton 101, and the yoke portion of injection moulded stator skeleton 101 is provided with detent mechanism 102, the tooth of injection moulded stator skeleton 101
Portion is provided with the neck 103 corresponding with detent mechanism 102；Described terminal connector 2 includes plastics outer box 201, plastics outer box
201 medial extremitys are provided with the fixed mechanism 203 being engaged with detent mechanism 102, and the lower section of the medial extremity of plastics outer box 201 is provided with and card
The first clamping bump 204 that groove 103 is engaged；The described medial extremity of fixed mechanism 203 is provided with connection sheet 205, the company of enamel-covered wire
Connect end and be wound in connection sheet 205.
The yoke portion of the injection moulded stator skeleton 101 is provided with inner ring surface；Described detent mechanism 102, which includes being arranged on being molded, to be determined
One group on sub- skeleton 101 clip-connecting rod 104 arranged in a ring, and clip-connecting rod 104 is located at the inner ring surface of injection moulded stator skeleton 101
Outside, the inner side of the inner ring surface of injection moulded stator skeleton 101 are provided with contiguous block 105, and contiguous block 105 is provided with locating dowel 106.
Described fixed mechanism 203 includes connecting plate 206, outboard end and the medial extremity phase of plastics outer box 201 of connecting plate 206
Fixed, the medial extremity of connecting plate 206 is provided with fixed plate 207, and fixed plate 207 is provided with the positioning hole being engaged with locating dowel 106
208, the lower section of the medial extremity of connecting plate 206 is provided with the second clamping bump 209；Described connection sheet 205 is located at the upper of fixed plate 207
Side.
Described connecting plate 206 is provided with groove 210.
Described connection sheet 205 includes connection sheet body 211, and the lower end of connection sheet body 211 is connected with fixed plate 207；Even
The two sides on the top of contact pin 206 are provided with buckling groove 212.
The upper end of connection sheet body 211 is provided with triangular structure 213.
The top of the medial extremity of plastics outer box 201 is provided with step trough 214；The outboard end of plastics outer box 201 is provided with outer
Interface 202.
It is injection moulded stator by stator core injection molding, by automatic coil winding machine, around upper enamel-covered wire on injection moulded stator 1,
Then enamel-covered wire and terminal connector 2 are attached.
The connection procedure of terminal connector 2：By the structure on injection moulded stator skeleton 101 and plastics outer box 201, enter
Row physical connection, terminal connector 2 is set to be fixed on the frame of injection moulded stator 1 (by the positioning hole 208 on terminal connector 2 and injection
Locating dowel 106 on stator skeleton 101 fastens, and the second clamping bump 209 is fixed on clip-connecting rod 104 and injection moulded stator skeleton
Between 101 inner ring surface, the first clamping bump 204 is fastened in neck 103, realizes the fixation of terminal connector 2).Enamel-cover
Line is wrapped in the connection sheet 205 of terminal connector 2 after depainting is handled, and then carries out soldering；Finally will be even
The stator connected carries out plastic packaging shaping.
Claims (7)
- A kind of 1. stator connection structure of external rotor electric machine, it is characterised in that：Including injection moulded stator (1), injection moulded stator twines on (1) Enamel-covered wire is wound with, enamel-covered wire is connected with the terminal connector (2) being fixed on injection moulded stator (1)；Described injection moulded stator (1) bag Injection moulded stator skeleton (101) is included, injection moulded stator skeleton (101) yoke portion is provided with detent mechanism (102), injection moulded stator skeleton (101) Teeth portion is provided with the neck (103) corresponding with detent mechanism (102)；Described terminal connector (2) includes plastics outer box (201), plastics outer box (201) medial extremity is provided with the fixed mechanism (203) being engaged with detent mechanism (102), plastics outer box (201) lower section of medial extremity is provided with the first clamping bump (204) being engaged with neck (103)；Described fixed mechanism (203) Medial extremity is provided with connection sheet (205).
- A kind of 2. stator connection structure of external rotor electric machine according to claim 1, it is characterised in that：The injection moulded stator The yoke portion of skeleton (101) is provided with inner ring surface；Described detent mechanism (102) includes being arranged on injection moulded stator skeleton (101) One group of clip-connecting rod (104) arranged in a ring, and clip-connecting rod (104) is located at the outside of injection moulded stator skeleton (101) inner ring surface, note The inner side of modeling stator skeleton (101) inner ring surface is provided with contiguous block (105), and contiguous block (105) is provided with locating dowel (106).
- A kind of 3. stator connection structure of external rotor electric machine according to claim 2, it is characterised in that：Described fixation machine Structure (203) includes connecting plate (206), and outboard end and plastics outer box (201) medial extremity of connecting plate (206) are mutually fixed, connecting plate (206) medial extremity is provided with fixed plate (207), and fixed plate (207) is provided with the positioning hole (208) being engaged with locating dowel (106), The lower section of connecting plate (206) medial extremity is provided with the second clamping bump (209)；Described connection sheet (205) is located at fixed plate (207) Top.
- A kind of 4. stator connection structure of external rotor electric machine according to claim 3, it is characterised in that：Described connecting plate (206) it is provided with groove (210).
- A kind of 5. stator connection structure of external rotor electric machine according to claim 3, it is characterised in that：Described connection sheet (205) connection sheet body (211) is included, connection sheet body (211) lower end is connected with fixed plate (207)；Connection sheet body (211) The two sides on top are provided with buckling groove (212).
- A kind of 6. stator connection structure of external rotor electric machine according to claim 5, it is characterised in that：The connection sheet sheet Body (211) upper end is provided with triangular structure (213).
- A kind of 7. stator connection structure of external rotor electric machine according to claim 1, it is characterised in that：The plastics outer box (201) top of medial extremity is provided with step trough (214)；Plastics outer box (201) outboard end is provided with external tapping (202).
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 true CN107888001A (en) | 2018-04-06 |
| CN107888001B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418379A (en) * | 2018-05-03 | 2018-08-17 | 湖州越球电机有限公司 | A kind of BLDC motors of low cost |
| 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 |
| CN108808927A (en) * | 2018-07-13 | 2018-11-13 | 卧龙电气集团股份有限公司 | A kind of stator module and motor |
| CN109067053A (en) * | 2018-07-26 | 2018-12-21 | 珠海格力电器股份有限公司 | Stator skeleton, stator and its assembly method 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418379A (en) * | 2018-05-03 | 2018-08-17 | 湖州越球电机有限公司 | A kind of BLDC motors of low cost |
| 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 |
| CN108808927A (en) * | 2018-07-13 | 2018-11-13 | 卧龙电气集团股份有限公司 | A kind of stator module and motor |
| CN108808927B (en) * | 2018-07-13 | 2023-11-28 | 卧龙电气集团股份有限公司 | Stator assembly and motor |
| CN109067053A (en) * | 2018-07-26 | 2018-12-21 | 珠海格力电器股份有限公司 | Stator skeleton, stator and its assembly method and magnetic suspension bearing |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107888001B (en) | 2023-12-01 |
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