CN201590693U - Installation structure of motor cast-aluminum end cover and stator - Google Patents
Installation structure of motor cast-aluminum end cover and stator Download PDFInfo
- Publication number
- CN201590693U CN201590693U CN2009202957163U CN200920295716U CN201590693U CN 201590693 U CN201590693 U CN 201590693U CN 2009202957163 U CN2009202957163 U CN 2009202957163U CN 200920295716 U CN200920295716 U CN 200920295716U CN 201590693 U CN201590693 U CN 201590693U
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- stator
- stator core
- bar shaped
- end cap
- cast aluminium
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Abstract
The utility model discloses an installation structure of a motor cast-aluminum end cover and a stator. The stator comprises a stator core, end-part insulators, stator slot paper and stator coil windings, wherein the stator slot paper is arranged in a stator slot of the stator core, the end-part insulators are arranged on the two end faces of the stator core, and the stator coil windings are wound on the end-part insulators. The cast-aluminum end cover which is arranged at the outer rim of the stator core comprises a bottom surface and a cylinder, wherein the cylinder axially extends out from the rim of the bottom surface, and the middle part of the bottom surface axially extends out of a bearing chamber. The stator core is strip-shaped and is arranged in the cast-aluminum end cover after being bent into the shape of a circular ring. The outer wall of the circular-ring strip-shaped stator core is matched with the inner wall of the cast-aluminum end cover in an interference manner. The installation structure adopts the structure of the strip-shaped stator core and increases the volume of the coil winding in the stator slot under the condition that the stator core is naturally spread, thereby not only increasing the slot filling rate and the working efficiency of a motor, but also improving the performance of the motor.
Description
Technical field:
The utility model relates to the mounting structure of a kind of motor cast aluminium end cap and stator.
Background technology:
At present, most motors all adopt conventional full circle stator structure, by its full circle stator core outer wall and cast aluminium end cap inwall interference fit, full circle stator and cast aluminium end cap are linked together, adopt this frame mode, there are the following problems: 1) volume of the stator slot of full circle stator is little, because of being subject to the volume of stator slot, the copper factor of stator coil winding technique in stator slot is lower, causes motor working efficiency lower, poor-performing; 2) for the full circle stator without kind, specification, its whole die sinking mould materials are more, need the production mould of exploitation different size, and versatility is not strong, and the development cost height is difficult to satisfy the expansion demand of the motor of different cultivars, different capacity.
Summary of the invention:
The purpose of this utility model is to provide a kind of high efficiency, performance is good, low-cost, versatility is stronger motor cast aluminium end cap and the mounting structure of stator.
The purpose of this utility model is to be achieved by following technical scheme.
The mounting structure of a kind of motor cast aluminium end cap and stator, wherein stator comprises stator core, overhang insulation, stator slot paper and stator coil winding, stator slot paper is installed in the stator slot of stator core, overhang insulation is arranged on the both ends of the surface of stator core, the stator coil winding is wrapped on the overhang insulation, outer rim installing cast aluminium end cap at stator core, the cast aluminium end cap comprises bottom surface and the cylinder that extends axially out from bottom edge, the mid portion of bottom surface extends axially out bearing chamber, stator core adopts the bar shaped stator core, the bar shaped stator core bends to the circular cylinder the inside that is installed in the cast aluminium end cap, circular bar shaped stator core outer wall and cylinder inwall interference fit.
The cylinder of above-mentioned described circular bar shaped stator core and cast aluminium end cap is by press-fiting or the hot jacket mode closely cooperates together.
One end of above-mentioned described bar shaped stator core is provided with groove, and the other end is provided with projection, and this projection and groove scarf mutually close, and the bar shaped stator core bends to circular.
Above-mentioned described bar shaped stator core comprises several unit, each unit contains a tooth portion and yoke portion, the yoke portion of adjacent cells couples together and has a joint portion, the bar shaped stator core bend to circular after, arch upward outward in the joint portion, the outer rim centre position and the cylinder inwall interference fit of described yoke portion.
Above-mentioned described overhang insulation comprises upper end insulation and bottom insulation, and insulating in upper end insulation, bottom all is to be installed in monomer insulating part combination forming on the bar shaped stator core both ends of the surface by several.
Be provided with several connectors at above-mentioned described each monomer insulating part near on the sidewall of stator slot, connect and fix stator slot paper between the connector of the connector of upper end insulation and bottom insulation.
Above-mentioned described several connectors are symmetrically distributed in the tooth portion both sides of bar shaped stator core in twos.
Up protruding some of the edge, the outside of the monomer insulating part that insulate in above-mentioned described upper end is used for the fixedly backstay of PCB wiring board.
Be provided with for the stator coil winding toward on the outer wall of the monomer insulating part of above-mentioned described bottom insulation and cross the groove that line is used, be provided with the breach that confession stator coil winding cross-line is used toward on the wall of groove, the quantity of groove equals the number of phases of motor.
Above-mentioned described bar shaped stator core is under natural deployed condition, the centre position, the outside that is positioned at the stator slot paper of its stator slot presents " V " shape recess, " V " shape recess caves in towards the bar shaped stator core, and behind the bar shaped stator core volume circle, " V " shape recess is closed up.
The beneficial effects of the utility model are: the 1) structure that adopts the bar shaped stator core to cooperate with the cast aluminium end cap, under its natural deployed condition, increased stator slot interior loop winding volume, improved copper factor, and the coiling of bar shaped stator core is convenient, production technology is good, and motor working efficiency is greatly improved, and motor performance is very good; 2) for stator without kind, specification, the bar shaped stator core is superimposed and claim by a plurality of punchings, material is saved in the punching of the relative full circle stator core of the consumptive material of punching, reduce cost, whole die sinking mould materials are less, and versatility is extremely strong, can be suitable for the plurality of specifications of different-diameter, development cost is low, has greatly satisfied the expansion demand of the motor of different cultivars, different capacity; 3) be installed in the stator core that monomer insulating part on the bar shaped stator core both ends of the surface can be used for different laminated thickness, only need to prolong stator slot paper and get final product, need not to change the gauge of monomer insulating part, highly versatile, simple and practical.
Description of drawings:
Fig. 1 is the overall structure figure that the bar shaped stator cooperates with the cast aluminium end cap in the utility model.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the natural deployed condition schematic diagram of bar shaped stator core and stator slot paper in the utility model.
Fig. 4 is the scheme of installation of bar shaped stator core and cast aluminium end cap in the utility model.
Fig. 5 is that the location of corresponding diagram 4 cooperates plane graph.
Fig. 6 is the enlarged drawing of A-A among Fig. 5.
Fig. 7 is the structure chart of the monomer insulating part of upper end insulation in the utility model.
Fig. 8 is another angle schematic diagram of Fig. 7.
Fig. 9 is the structure chart of the monomer insulating part of bottom insulation in the utility model.
Figure 10 is another angle schematic diagram of Fig. 9.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
By Fig. 1 to Fig. 6 as can be known, the mounting structure of a kind of motor cast aluminium end cap and stator, wherein stator comprises stator core 1, overhang insulation, stator slot paper 2 and stator coil winding, stator slot paper 2 is installed in the stator slot 3 of stator core 1, overhang insulation is arranged on the both ends of the surface of stator core 1, the stator coil winding is wrapped on the overhang insulation, outer rim installing cast aluminium end cap 4 at stator core 1, cast aluminium end cap 4 comprises bottom surface and the cylinder that extends axially out from bottom edge, the mid portion of bottom surface extends axially out bearing chamber, this stator core adopts the bar shaped stator core, bar shaped stator core 1 bends to the circular cylinder the inside that is installed in cast aluminium end cap 4, circular bar shaped stator core 1 outer wall and cylinder inwall interference fit.
The cylinder of wherein circular bar shaped stator core 1 and cast aluminium end cap 4 is by press-fiting or the hot jacket mode closely cooperates together; One end of bar shaped stator core 1 is provided with groove 14, and the other end is provided with projection 15, and projection 15 and groove 14 scarf mutually close, and bar shaped stator core 1 bends to circular; Bar shaped stator core 1 comprises several unit 11, each unit 11 contains a tooth portion and yoke portion, the yoke portion of adjacent cells 11 couples together and has a joint portion 12, bar shaped stator core 1 bend to circular after, arch upward outward in joint portion 12, the outer rim centre position 5 of described yoke portion and the cylinder inwall interference fit of cast aluminium end cap 4,12 inboardly form a through hole 13 in the joint portion; The lateral wall of cast aluminium end cap 4 is provided with that several are circumferentially uniform and have the installation foot 8 of installing hole, and the bottom of cast aluminium end cap 4 is covered with radiating ribs 9.
As shown in Figure 2, overhang insulation comprises upper end insulation 6 and bottom insulation 7, and upper end insulation 6, bottom insulation 7 all are to be installed in monomer insulating part combination forming on bar shaped stator core 1 both ends of the surface by several; In conjunction with Fig. 7 to Figure 10 as can be known, near being provided with several connectors on the sidewall of stator slot 3, insulating by the connector 62 and the bottom of upper end insulation 6 connects and fixes stator slot paper 2 between 7 the connector 72 at each monomer insulating part; Several connectors are symmetrically distributed in the tooth portion both sides of bar shaped stator core in twos; Up protruding some of edge, the outside at the monomer insulating part 61 of upper end insulation 6 is used for the fixedly backstay 63 of PCB wiring board; Be provided with for the stator coil winding toward on the outer wall of the monomer insulating part 71 of bottom insulation 7 and cross the groove 73 that line is used, be provided with the breach 74 that confession stator coil winding cross-line is used toward on the wall of groove 73, the quantity of groove 73 equals the number of phases of motor.In addition, as shown in Figure 3, the bar shaped stator core is under natural deployed condition, and the centre position, the outside that is positioned at the stator slot paper of its stator slot presents " V " shape recess, and " V " shape recess caves in towards the bar shaped stator core; As Fig. 2, shown in Figure 5, behind the bar shaped stator core volume circle, " V " shape recess is closed up.
Claims (10)
1. the mounting structure of motor cast aluminium end cap and stator, wherein stator comprises stator core, overhang insulation, stator slot paper and stator coil winding, stator slot paper is installed in the stator slot of stator core, overhang insulation is arranged on the both ends of the surface of stator core, the stator coil winding is wrapped on the overhang insulation, outer rim installing cast aluminium end cap at stator core, the cast aluminium end cap comprises bottom surface and the cylinder that extends axially out from bottom edge, the mid portion of bottom surface extends axially out bearing chamber, it is characterized in that: this stator core adopts the bar shaped stator core, the bar shaped stator core bends to the circular cylinder the inside that is installed in the cast aluminium end cap, circular bar shaped stator core outer wall and cylinder inwall interference fit.
2. the mounting structure of a kind of motor cast aluminium end cap according to claim 1 and stator is characterized in that: the cylinder of circular bar shaped stator core and cast aluminium end cap is by press-fiting or the hot jacket mode closely cooperates together.
3. the mounting structure of a kind of motor cast aluminium end cap according to claim 1 and 2 and stator, it is characterized in that: the end at the bar shaped stator core is provided with groove, the other end is provided with projection, and this projection and groove scarf mutually close, and the bar shaped stator core bends to circular.
4. the mounting structure of a kind of motor cast aluminium end cap according to claim 3 and stator, it is characterized in that: the bar shaped stator core comprises several unit, each unit contains a tooth portion and yoke portion, the yoke portion of adjacent cells couples together and has a joint portion, the bar shaped stator core bend to circular after, arch upward outward in the joint portion, the outer rim centre position and the cylinder inwall interference fit of described yoke portion.
5. the mounting structure of a kind of motor cast aluminium end cap according to claim 4 and stator, it is characterized in that: overhang insulation comprises upper end insulation and bottom insulation, and insulating in upper end insulation, bottom all is to be installed in monomer insulating part combination forming on the bar shaped stator core both ends of the surface by several.
6. the mounting structure of a kind of motor cast aluminium end cap according to claim 5 and stator, it is characterized in that: be provided with several connectors at each monomer insulating part near on the sidewall of stator slot, connect and fix stator slot paper between the connector of the connector of upper end insulation and bottom insulation.
7. the mounting structure of a kind of motor cast aluminium end cap according to claim 6 and stator is characterized in that: several connectors are symmetrically distributed in the tooth portion both sides of bar shaped stator core in twos.
8. the mounting structure of a kind of motor cast aluminium end cap according to claim 6 and stator is characterized in that: up protruding some of the edge, the outside of the monomer insulating part that insulate in the upper end is used for the fixedly backstay of PCB wiring board.
9. the mounting structure of a kind of motor cast aluminium end cap according to claim 8 and stator, it is characterized in that: on the outer wall of the monomer insulating part of bottom insulation, be provided with confession stator coil winding and cross the groove that line is used toward in, be provided with the breach of using for stator coil winding cross-line toward on the wall of groove, the quantity of groove equals the number of phases of motor.
10. the mounting structure of a kind of motor cast aluminium end cap according to claim 9 and stator, it is characterized in that: described bar shaped stator core is under natural deployed condition, the centre position, the outside that is positioned at the stator slot paper of its stator slot presents " V " shape recess, " V " shape recess caves in towards the bar shaped stator core, behind the bar shaped stator core volume circle, " V " shape recess is closed up.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202957163U CN201590693U (en) | 2009-12-24 | 2009-12-24 | Installation structure of motor cast-aluminum end cover and stator |
| PCT/CN2010/077243 WO2011076027A1 (en) | 2009-12-24 | 2010-09-24 | Motor stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202957163U CN201590693U (en) | 2009-12-24 | 2009-12-24 | Installation structure of motor cast-aluminum end cover and stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590693U true CN201590693U (en) | 2010-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202957163U Expired - Lifetime CN201590693U (en) | 2009-12-24 | 2009-12-24 | Installation structure of motor cast-aluminum end cover and stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201590693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076027A1 (en) * | 2009-12-24 | 2011-06-30 | 中山大洋电机制造有限公司 | Motor stator structure |
| CN108718120A (en) * | 2018-08-28 | 2018-10-30 | 中山大洋电机股份有限公司 | A kind of motor stator component and apply its motor |
| CN109756082A (en) * | 2019-02-03 | 2019-05-14 | 深圳市金岷江智能装备有限公司 | Folding and converting device and folding and converting method |
-
2009
- 2009-12-24 CN CN2009202957163U patent/CN201590693U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076027A1 (en) * | 2009-12-24 | 2011-06-30 | 中山大洋电机制造有限公司 | Motor stator structure |
| CN108718120A (en) * | 2018-08-28 | 2018-10-30 | 中山大洋电机股份有限公司 | A kind of motor stator component and apply its motor |
| CN108718120B (en) * | 2018-08-28 | 2024-04-30 | 中山大洋电机股份有限公司 | Motor stator assembly and motor using same |
| CN109756082A (en) * | 2019-02-03 | 2019-05-14 | 深圳市金岷江智能装备有限公司 | Folding and converting device and folding and converting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |