CN111799918A - Permanent magnet synchronous motor shell - Google Patents
Permanent magnet synchronous motor shell Download PDFInfo
- Publication number
- CN111799918A CN111799918A CN202010538893.0A CN202010538893A CN111799918A CN 111799918 A CN111799918 A CN 111799918A CN 202010538893 A CN202010538893 A CN 202010538893A CN 111799918 A CN111799918 A CN 111799918A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- outer thin
- wall
- permanent magnet
- magnet synchronous
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Abstract
A permanent magnet synchronous motor shell relates to the field of casting of new energy automobile motor shells and comprises an outer thin-wall sleeve and a permanent magnet synchronous motor shell, wherein the outer thin-wall sleeve is provided with a flange chassis; a water inlet and a water outlet are formed in the outer circular wall of the outer thin-wall sleeve; the inner sleeve can be sleeved in the outer thin-wall sleeve; an end cover platform with a bolt hole is arranged on the upper end face of the inner sleeve; a spiral groove is formed in the outer arc surface of the inner sleeve; the inner sleeve is fixed on the outer thin-wall sleeve through bolts penetrating through the bolt holes, so that the grooves and the inner wall of the outer thin-wall sleeve form a cooling water channel, and the cooling water channel is communicated with a water inlet and a water outlet on the outer thin-wall sleeve; the motor shell is formed by assembling two split parts of an outer thin-wall sleeve and an inner sleeve, and is locked, fixed or disassembled through a bolt, so that the processing difficulty of the motor shell is reduced, and the casting process is greatly simplified.
Description
Technical Field
The invention relates to the field of casting of new energy automobile motor housings, in particular to a permanent magnet synchronous motor housing.
Background
The automobile light weight is an important direction and trend of the future development of the automobile industry, has become an important means for automobile manufacturers in various countries around the world to improve the competitiveness, and in the research process of the automobile light weight, new requirements are put forward on the structure of automobile key parts, and the high integration level is one of the requirements.
The driving motor in the electric automobile is taken as one of key parts, the shell of the driving motor is generally formed by aluminum alloy materials in a die-casting mode, at present, a low-pressure casting process is mostly adopted, and a cooling water channel is arranged in the shell, so that the casting process difficulty is increased, and the shell is not easy to disassemble and assemble; therefore, how to optimize the structure of the motor shell to reduce the assembly difficulty is a problem to be solved by current design engineers.
Disclosure of Invention
In view of the above problems, the present invention provides a permanent magnet synchronous motor casing, which achieves the purpose of optimizing the casing structure through the structural design of the casing.
The technical scheme provided by the invention is as follows:
a permanent magnet synchronous motor shell comprises an outer thin-wall sleeve and a permanent magnet synchronous motor shell, wherein the outer thin-wall sleeve is provided with a flange chassis; a water inlet and a water outlet are formed in the outer circular wall of the outer thin-wall sleeve; the inner sleeve can be sleeved in the outer thin-wall sleeve; an end cover platform with a bolt hole is arranged on the upper end face of the inner sleeve; a spiral groove is formed in the outer arc surface of the inner sleeve; the inner sleeve is fixed on the outer thin-wall sleeve through bolts penetrating through the bolt holes, so that the grooves and the inner wall of the outer thin-wall sleeve form a cooling water channel, and the cooling water channel is communicated with a water inlet and a water outlet on the outer thin-wall sleeve.
Furthermore, the outer circular surfaces at two ends of the inner sleeve are provided with first sealing grooves for mounting sealing rings.
Furthermore, first grid-shaped ribs are distributed on the outer circle surface of the outer thin-wall sleeve.
Furthermore, a second rib of an arc structure is arranged on the disc surface of the flange chassis.
Furthermore, the flange chassis is connected with the outer thin-wall sleeve in a reinforcing mode through a first rib block.
Furthermore, a first circular table extending outwards along the axis direction is arranged in the center of the flange chassis, and a second sealing groove for mounting a sealing ring is formed in the outer circular surface of the first circular table; the first round platform is provided with a first counter bore coaxial with the first round platform.
Furthermore, a second circular table extending inwards along the axis direction is arranged in the center of the flange chassis; and a second counter bore coaxial with the second round platform is arranged on the second round platform.
Furthermore, the second round platform and the flange chassis are connected in a reinforcing mode through second ribs.
The technical scheme of the invention has the following beneficial effects:
the motor shell is formed by assembling two split parts of an outer thin-wall sleeve and an inner sleeve, and is locked, fixed or disassembled through bolts, so that the processing difficulty of the motor shell is reduced, and the casting process is greatly simplified; and the assembly process of the motor is simplified through the design mode, the production efficiency is improved, and the casting qualified rate of parts is improved.
Drawings
Fig. 1 is an overall assembly structural view of a motor housing.
Fig. 2 is an exploded view of the motor housing.
Fig. 3 is a plan structure perspective view of the inner sleeve, showing the structure of the spiral groove.
Fig. 4 is a cross-sectional view of the inner sleeve, showing the inner structure of the inner sleeve.
Fig. 5 is a perspective view of the planar structure of the outer thin-walled sleeve.
Fig. 6 is a bottom view of the outer thin-walled sleeve showing the structure of the flange chassis.
Fig. 7 is a top view of the thin outer wall sleeve showing the internal structure of the flange base.
Wherein: the structure comprises 10 outer thin-wall sleeves, 11 flange chassis, 12 first ribs, 13 rectangular tables, 14 second ribs, 15 first ribs, 16 first round tables, 17 second round tables, 18 second ribs, 20 inner sleeves, 21 end cover tables, 22 grooves, 23 first sealing grooves, 101 water inlets, 102 water outlets, 161 second sealing grooves, 162 first counter bores and 171 second counter bores.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The invention provides a permanent magnet synchronous motor shell, which is in a split detachable structure as shown in figures 1-2, and specifically comprises an outer thin-wall sleeve 10, wherein the outer thin-wall sleeve 10 is provided with a flange chassis 11, and the flange chassis 11 is used for installing a speed reducing mechanism (not shown) and forming a certain support for a rotating shaft (not shown).
The motor shell also comprises an inner sleeve 20, wherein an inner arc surface of the inner sleeve 20 is provided with an inner key groove which is used for positioning a motor iron core (not shown) in the circumferential direction; the inner sleeve 20 can be sleeved in the outer thin-wall sleeve 10, specifically, an end cover table 21 with a bolt hole is arranged on the upper end face of the inner sleeve 20, the bolt hole is penetrated by a bolt, so that the end cover table 21 can be fixed on the end face of the outer thin-wall sleeve 10, and at the moment, the inner sleeve 20 is fixedly connected with the outer thin-wall sleeve 10.
Preferably, a positioning pin hole is further formed in the surface, opposite to the end cover table 21, of the outer thin-wall sleeve 10; when the end cover table 21 is fixed with the outer thin-wall sleeve 10, the outer thin-wall sleeve 10 is heated and expanded, then the inner sleeve 20 is sleeved into the outer thin-wall sleeve 10, primary positioning is carried out by using a positioning pin inserted into a pin hole, and locking and mounting are carried out by using a bolt.
Through adopting split type installation assembly to motor casing, simplified the assembly flow of motor when having reduced the motor casing processing degree of difficulty, do benefit to and improve production efficiency.
In this embodiment, referring to fig. 2 to 4, a spiral groove 22 is formed on the outer arc surface of the inner sleeve 20, where the spiral groove 22 specifically means that the grooves 22 are spirally distributed on the outer arc surface of the inner sleeve 20; after the inner sleeve 20 and the outer thin-wall sleeve 10 are fixedly assembled, the groove 22 which is arranged on the outer surface of the inner sleeve 20 and has a spiral shape and the inner surface of the outer thin-wall sleeve 10 form a cooling water channel, cooling water can spirally flow in the channel, and the whole motor shell is effectively cooled.
Preferably, the groove 22 has four spiral turns on the outer surface of the inner sleeve 20, and the cross section of the groove 22 is rectangular.
Meanwhile, in order to ensure the sealing performance of cooling water in the channel, sealing rings are respectively arranged at two ends of the channel; specifically, first seal grooves 23 are formed in the outer circumferential surfaces of the two ends of the inner sleeve 20, and the first seal grooves 23 are used for assembling O-ring seals to seal the cooling water channel.
In this embodiment, two ends of the inner sleeve 20 are respectively provided with two first sealing grooves 23, and each end is provided with two sealing rings to ensure the sealing effect.
The cooling water in the cooling water channel is circulated, so that a water inlet 101 and a water outlet 102 are arranged on the outer circular wall of the outer thin-wall sleeve 10.
In the specific embodiment of the present invention, the outer circular wall of the outer thin-wall sleeve 10 is provided with a mounting platform, the water inlet 101 and the water outlet 102 are arranged on the mounting platform, threaded holes are distributed on the mounting platform, that is, on the edges of the water inlet 101 and the water outlet 102, and the mounting platform and the threaded holes are arranged to facilitate the connection and installation with a water receiving pipe connector (not shown).
Preferably, referring to fig. 1 and 5, the outer circumferential surface of the outer thin-walled sleeve 10 is provided with first ribs 12 in a grid shape, and the first ribs 12 are used to enhance the rigidity of the outer thin-walled sleeve 10 and prevent it from being seriously deformed.
Preferably, two convex rectangular platforms 13 are arranged on the outer circular surface of the outer thin-wall sleeve 10 near the flange base plate 11, threaded holes are arranged on the rectangular platforms 13, and the rectangular platforms 13 are used for mounting the motor controller.
Preferably, referring to fig. 1, 6-7, because the flange base plate 11 is used for installing the speed reducing mechanism, the plate surface of the flange base plate 11 is provided with second ribs 14 with an arc structure, and the rigidity of the plate surface of the flange base plate 11 is enhanced by the second ribs 14; and simultaneously, in order to ensure the connection stability of the flange chassis 11 and the outer thin-wall sleeve 10, a first rib block 15 is arranged at the connection position of the flange chassis 11 and the inner arc surface of the outer thin-wall sleeve 10, and the reinforced connection between the flange chassis 11 and the outer thin-wall sleeve is realized through the first rib block 15.
In order to realize stable installation of the multi-speed reducing mechanism, referring to fig. 1 and 5, a first circular truncated cone 16 extending outwards along the axial direction is arranged at the center of the flange chassis 11, a second sealing groove 161 for installing a sealing ring is arranged on the outer circular surface of the first circular truncated cone 16, positioning and sealing of installation of the speed reducing mechanism are realized by using the first circular truncated cone 16 and the second sealing groove 161, meanwhile, a first counter bore 162 coaxial with the first circular truncated cone 16 is arranged on the first circular truncated cone 16, and the first counter bore 162 is used for installing an oil seal.
In this embodiment, the center of the flange chassis 11 is provided with a second circular truncated cone 17 extending inward along the axial direction, the second circular truncated cone 17 is provided with a second counter bore 171 coaxial with the second circular truncated cone 17, and the second counter bore 171 is used for installing a rotating bearing (not shown).
Preferably, referring to fig. 7, in order to ensure the stability of the connection between the second circular truncated cone 17 and the flange base plate 11, a second rib block 18 is provided at the position where the second circular truncated cone 17 is connected to the flange base plate 11 to realize reinforced connection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A permanent magnet synchronous motor shell is characterized by comprising
An outer thin-walled sleeve (10) having a flange chassis (11); a water inlet (101) and a water outlet (102) are formed in the outer circular wall of the outer thin-wall sleeve (10); and
the inner sleeve (20) is coaxially arranged in the outer thin-wall sleeve (10); an end cover platform (21) with a bolt hole is arranged on the upper end surface of the inner sleeve (20); a spiral groove (22) is arranged on the outer arc surface of the inner sleeve (20);
the inner sleeve (20) is fixed on the outer thin-wall sleeve (10) through bolts penetrating through the bolt holes, so that the grooves (22) and the inner wall of the outer thin-wall sleeve (10) form a cooling water channel, and the cooling water channel is communicated with a water inlet (101) and a water outlet (102) on the outer thin-wall sleeve (10).
2. The permanent magnet synchronous motor housing according to claim 1, wherein the outer circumferential surface of both ends of the inner sleeve (20) is provided with a first seal groove (23) for mounting a seal ring.
3. The permanent magnet synchronous motor housing according to claim 1, wherein the outer circumferential surface of the outer thin-walled sleeve (10) is provided with first ribs (12) in a grid pattern.
4. The permanent magnet synchronous motor shell according to claim 1, wherein the disk surface of the flange chassis (11) is provided with second ribs (14) having an arc-shaped structure.
5. The permanent magnet synchronous motor housing according to claim 1, characterized in that the flange base (11) and the outer thin-walled sleeve (10) are connected by a first rib (15) in a reinforcing manner.
6. The permanent magnet synchronous motor shell according to claim 1, wherein the flange base (11) is centrally provided with a first circular truncated cone (16) extending outwards in the axial direction, and the outer circular surface of the first circular truncated cone (16) is provided with a second sealing groove (161) for mounting a sealing ring; the first round platform (16) is provided with a first counter bore (162) which is coaxial with the first round platform.
7. A permanent magnet synchronous motor housing according to claim 1, characterized in that the flange base (11) is centrally provided with a second truncated cone (17) extending inwardly in the axial direction; and a second counter bore (171) which is coaxial with the second round platform (17) is arranged on the second round platform.
8. The permanent magnet synchronous motor housing according to claim 7, characterized in that the second circular truncated cone (17) is connected with the flange base (11) in a reinforced manner by means of second ribs (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538893.0A CN111799918A (en) | 2020-06-13 | 2020-06-13 | Permanent magnet synchronous motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538893.0A CN111799918A (en) | 2020-06-13 | 2020-06-13 | Permanent magnet synchronous motor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111799918A true CN111799918A (en) | 2020-10-20 |
Family
ID=72803300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010538893.0A Pending CN111799918A (en) | 2020-06-13 | 2020-06-13 | Permanent magnet synchronous motor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111799918A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087084A (en) * | 2007-05-25 | 2007-12-12 | 奇瑞汽车有限公司 | A cooling water cover of electromotive motorcar and its cooling method |
| CN201160245Y (en) * | 2008-02-19 | 2008-12-03 | 尚立库 | High-power water-cooling permanent-magnetism synchronous motor casing refrigerating structure |
| CN203822949U (en) * | 2014-04-09 | 2014-09-10 | 杭州明珠音乐喷泉有限公司 | Underwater reduction gearbox |
| CN204068515U (en) * | 2014-07-23 | 2014-12-31 | 安徽安凯汽车股份有限公司 | For the end cap of motor in electric automobile |
| US20150048700A1 (en) * | 2012-12-14 | 2015-02-19 | Shanghai Yili Electric Co., Ltd. | Water-cooled electrical motor |
| CN204942495U (en) * | 2015-09-09 | 2016-01-06 | 江苏全能机械设备有限公司 | Disk feeder speed reducer |
| WO2016082628A1 (en) * | 2014-11-24 | 2016-06-02 | 舍弗勒技术股份两合公司 | Wheel hub drive assembly |
| CN105871106A (en) * | 2016-06-15 | 2016-08-17 | 广州市锐美汽车零部件有限公司 | New energy source automobile spiral water cooling integral motor case and pressure casting process thereof |
| CN205960861U (en) * | 2016-08-19 | 2017-02-15 | 神驰机电股份有限公司 | Generator is with single vortex end cover |
| CN108448786A (en) * | 2018-05-02 | 2018-08-24 | 中建投（绍兴）机械科技有限公司 | A kind of water cooling motor housing and its manufacturing method of water channel rolling fitting |
| CN207782572U (en) * | 2018-01-25 | 2018-08-28 | 博远机电（嘉兴）有限公司 | Cooling jacket and ultrahigh speed permanent magnet synchronous electric thermomechanical components |
| CN109546786A (en) * | 2018-12-04 | 2019-03-29 | 菲仕绿能科技(北京)有限公司 | A kind of driving motor stator case structure and manufacturing method |
| CN208707428U (en) * | 2018-08-10 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of New-type electric machine blind flange waterproof construction |
| CN208767903U (en) * | 2018-09-21 | 2019-04-19 | 长城汽车股份有限公司 | Electric machine casing, motor and vehicle |
| CN110868002A (en) * | 2019-12-25 | 2020-03-06 | 苏州保邦电气有限公司 | Novel integrated water cooling system of high-speed permanent magnet motor |
| CN210153104U (en) * | 2019-05-14 | 2020-03-17 | 浙江贝托传动科技有限公司 | Connecting structure for connecting speed reducer with motor |
| CN210469052U (en) * | 2019-11-13 | 2020-05-05 | 重庆虬龙科技有限公司 | Water-cooled motor structure |
-
2020
- 2020-06-13 CN CN202010538893.0A patent/CN111799918A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087084A (en) * | 2007-05-25 | 2007-12-12 | 奇瑞汽车有限公司 | A cooling water cover of electromotive motorcar and its cooling method |
| CN201160245Y (en) * | 2008-02-19 | 2008-12-03 | 尚立库 | High-power water-cooling permanent-magnetism synchronous motor casing refrigerating structure |
| US20150048700A1 (en) * | 2012-12-14 | 2015-02-19 | Shanghai Yili Electric Co., Ltd. | Water-cooled electrical motor |
| CN203822949U (en) * | 2014-04-09 | 2014-09-10 | 杭州明珠音乐喷泉有限公司 | Underwater reduction gearbox |
| CN204068515U (en) * | 2014-07-23 | 2014-12-31 | 安徽安凯汽车股份有限公司 | For the end cap of motor in electric automobile |
| WO2016082628A1 (en) * | 2014-11-24 | 2016-06-02 | 舍弗勒技术股份两合公司 | Wheel hub drive assembly |
| CN204942495U (en) * | 2015-09-09 | 2016-01-06 | 江苏全能机械设备有限公司 | Disk feeder speed reducer |
| CN105871106A (en) * | 2016-06-15 | 2016-08-17 | 广州市锐美汽车零部件有限公司 | New energy source automobile spiral water cooling integral motor case and pressure casting process thereof |
| CN205960861U (en) * | 2016-08-19 | 2017-02-15 | 神驰机电股份有限公司 | Generator is with single vortex end cover |
| CN207782572U (en) * | 2018-01-25 | 2018-08-28 | 博远机电（嘉兴）有限公司 | Cooling jacket and ultrahigh speed permanent magnet synchronous electric thermomechanical components |
| CN108448786A (en) * | 2018-05-02 | 2018-08-24 | 中建投（绍兴）机械科技有限公司 | A kind of water cooling motor housing and its manufacturing method of water channel rolling fitting |
| CN208707428U (en) * | 2018-08-10 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of New-type electric machine blind flange waterproof construction |
| CN208767903U (en) * | 2018-09-21 | 2019-04-19 | 长城汽车股份有限公司 | Electric machine casing, motor and vehicle |
| CN109546786A (en) * | 2018-12-04 | 2019-03-29 | 菲仕绿能科技(北京)有限公司 | A kind of driving motor stator case structure and manufacturing method |
| CN210153104U (en) * | 2019-05-14 | 2020-03-17 | 浙江贝托传动科技有限公司 | Connecting structure for connecting speed reducer with motor |
| CN210469052U (en) * | 2019-11-13 | 2020-05-05 | 重庆虬龙科技有限公司 | Water-cooled motor structure |
| CN110868002A (en) * | 2019-12-25 | 2020-03-06 | 苏州保邦电气有限公司 | Novel integrated water cooling system of high-speed permanent magnet motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3073119B1 (en) | Electrically driven pump | |
| CN102751818B (en) | External cover-cooled rotary electric machine and casing used therein | |
| KR100317875B1 (en) | Canned Motor And Pump Employing Such Canned Motor | |
| EP2711555B1 (en) | Turbocharger and method of procuding thereof | |
| CN113123983A (en) | Two-stage high-speed centrifugal air compressor with double cooling systems for fuel cell | |
| CN110676973A (en) | New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing | |
| US11739642B2 (en) | Manufacturing method of 3-dimensional plastic impeller of centrifugal pump and the impeller | |
| CN111799918A (en) | Permanent magnet synchronous motor shell | |
| CN103414279A (en) | Compact power generator | |
| CN113137376A (en) | High-power electronic water pump | |
| CN107181334B (en) | Fan stator and fan thereof | |
| CN102207096B (en) | Radiating fan | |
| CN214412437U (en) | Improved water-cooling air-cooling magnetic suspension high-speed motor | |
| CN201517506U (en) | Pipeline pump for transformer | |
| CN105811645A (en) | Motor for ceiling fan and ceiling fan having the same | |
| CN205657536U (en) | A ceiling fan that is used for motor of ceiling fan and has it | |
| CN201705690U (en) | Cooling fan | |
| CN203423567U (en) | Compact type electric generator | |
| CN218335533U (en) | End cover assembly structure and permanent magnet synchronous motor comprising same | |
| CN211351895U (en) | Motor rear end cap location mounting structure | |
| CN210867380U (en) | Electric machine | |
| CN219388011U (en) | Split end cover and triangular rotor engine | |
| JP2017180241A (en) | Pump and liner ring | |
| CN110971032A (en) | Rotor assembly and electric pump | |
| CN220067067U (en) | Water-cooled motor for pump in pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |