CN220822778U - Split stator housing - Google Patents
Split stator housing Download PDFInfo
- Publication number
- CN220822778U CN220822778U CN202322367867.8U CN202322367867U CN220822778U CN 220822778 U CN220822778 U CN 220822778U CN 202322367867 U CN202322367867 U CN 202322367867U CN 220822778 U CN220822778 U CN 220822778U
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- Prior art keywords
- split
- water channel
- cooling water
- end cover
- stator
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- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims description 87
- 239000007788 liquid Substances 0.000 claims description 60
- 238000001816 cooling Methods 0.000 claims description 51
- 239000000565 sealant Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 239000000110 cooling liquid Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model belongs to the technical field of stator shells, and particularly relates to a split stator shell. The utility model comprises a stator shell, wherein one end of the stator shell is provided with a split front end cover, and the other end of the stator shell is provided with a split rear end cover. The utility model carries out split design on the inner annular multi-layer water channel of the stator shell of the hub motor, when in use, the stator shell, the split front end cover and the split rear end cover are glued together, the three parts are connected and fixed through the sealing type connecting piece, the risk of incomplete cleaning of sand residues in the body is avoided, the tightness is good, the temperature distribution on the motor shell is uniform, the length of a diversion channel is short, the space position of a riser is removed, the body is simplified, the process of sealing a bowl cover by a cover is cancelled, the resistance to cooling liquid is small, the casting process of the original shell is changed through the split type structure, the sand core is removed, the casting process is simplified, the cost is reduced, and the yield is improved.
Description
Technical Field
The utility model belongs to the technical field of stator shells, and relates to a split type stator shell.
Background
The existing hub motor stator shell comprises a liquid inlet, a liquid outlet and a shell body, wherein the shell body comprises an upper layer of water channel and a lower layer of water channel, the water channels are arranged in the shell body like spiral annular tower-shaped grooves, liquid is fed from a liquid inlet hole, flows into the upper layer of water channel, flows into a second layer of water channel, and then flows out of the liquid outlet hole through a third layer of water channel; the three layers of water channels are cooling channels, so that the cooling channels exchange heat with the inside of the shell body. The existing hub motor stator shell structure is a thin-wall piece because of the complex shape of the inner annular upper and lower water channels, the casting process is complex, the cost is high, the lattice rate is low, and the risk that sand remains in the body and cannot be cleaned cleanly exists. It is therefore highly desirable to design a split stator housing that overcomes the above drawbacks.
In order to overcome the shortcomings of the prior art, various solutions have been proposed through continuous exploration, such as chinese patent publication [ application number: 202111220916.4] the stator cooling housing includes a cylindrical frame adapted to be mounted around the core and having an outer side surface and inlet and outlet passages, and a cylindrical jacket disposed against the outer side surface of the cylindrical frame. The cylindrical jacket comprises an inner side provided with a plurality of cylindrical grooves which, together with an outer side surface of the cylindrical frame, form adjacent fluid cooling channels arranged around the cylindrical frame from an upper part of the frame to a lower part of the frame. The stator cooling housing includes a fluid communication portion arranged such that cooling fluid may flow from the inlet passage through the fluid cooling passage from the frame upper portion to the frame lower portion and to the outlet passage to form a cooling circuit.
Disclosure of Invention
The present utility model aims to solve the above problems and provide a split stator housing.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a split type stator casing, includes the stator casing, stator casing one end be equipped with split type front end housing, the other end is equipped with split type rear end cap, split type front end housing and split type rear end cap respectively with stator casing between be connected through sealed connecting piece laminating mutually, split type front end housing in be equipped with feed liquor cooling part, stator casing in be equipped with layered cooling portion, split type rear end cap in be equipped with out liquid communication piece, layered cooling portion be located between feed liquor cooling part and the play liquid communication piece.
In the split stator housing, the liquid inlet cooling piece comprises a first layer of cooling water channel arranged in the split front end cover, the first layer of cooling water channel is communicated with the layered cooling part, the split front end cover is provided with a liquid inlet part, and the liquid inlet part is communicated with the first layer of cooling water channel.
In the split stator housing, the liquid inlet part comprises a liquid inlet pipe orifice arranged on the split front end cover, the liquid inlet pipe orifice is communicated with the first layer of cooling water channel, and the liquid inlet pipe orifice is positioned at one end of the split front end cover, which is far away from the stator housing.
In the split type stator housing, the layered cooling part comprises a second layer cooling water channel and a third layer cooling water channel which are arranged in the stator housing, the second layer cooling water channel is communicated with the third layer cooling water channel, the first layer cooling water channel is communicated with the second layer cooling water channel, and the third layer cooling water channel is communicated with the liquid outlet communicating piece.
In the split stator housing, the width of the cross section of the flow channel at the two ends of the third layer cooling water channel is smaller than that of the cross section of the flow channel in the middle part.
In the split type stator housing, the liquid outlet communicating piece is provided with a plurality of water channel covering connecting grooves in the split type rear end cover, the water channel covering connecting grooves are distributed in an annular array along the center point of the split type rear end cover, the water channel covering connecting grooves are communicated with the third layer of cooling water channel, a liquid outlet is formed in the split type rear end cover, and the liquid outlet is communicated with the water channel covering connecting grooves.
In the split stator housing, the sealing type connecting piece comprises a plurality of first bolts and first positioning pins which are arranged between the split front end cover and the stator housing, and the first bolts and the first positioning pins are respectively arranged in a staggered manner with the first layer of cooling water channel.
In the split stator housing, a sealant is coated between the split front end cover and the stator housing.
In the split stator housing, a housing screw-connected inner rib seat is arranged in the stator housing, a rear end cover inner rib plate is arranged in the split rear end cover, a plurality of second bolts and second positioning pins are arranged between the housing screw-connected inner rib seat and the rear end cover inner rib plate, and the second bolts and the second positioning pins are respectively arranged in a staggered mode with the water channel covering connecting groove.
In the split stator housing, a sealant is coated between the split rear end cover and the stator housing.
Compared with the prior art, the utility model has the advantages that:
1. in the casting process, the stator shell, the split front end cover and the split rear end cover are cast separately, the inner annular multi-layer water channel of the stator shell of the hub motor is designed separately, the stator shell, the split front end cover and the split rear end cover are glued together during use, the three parts are connected and fixed through the sealing type connecting piece, the risk of incomplete cleaning of sand residues in the body is avoided, the sealing performance is good, cooling water enters through the liquid inlet cooling piece and flows through the layered cooling part, finally, liquid is discharged through the liquid outlet communicating piece, the cooling water channel structure of the three parts is completed through the mold, the cooling channels can be distributed fully rapidly and the inside of the shell body for heat exchange, the temperature distribution on the motor shell is uniform, the length of the diversion channels is short, the dead head space position is removed, the body is simplified, the bowl and cover sealing procedure of the cover is omitted, the resistance to cooling liquid is small, the casting process of the original shell is changed through the split type structure, the casting process is removed, the casting process is simplified, the cost is reduced, and the yield is improved.
2. The width of the cross section of the flow channel at the two ends of the third layer cooling water channel is smaller than that of the cross section of the flow channel in the middle part, so that the residence time of cooling water in the middle part of the stator shell is prolonged, and the cooling heat exchange effect is improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is a schematic structural view of the split rear end cap.
Fig. 3 is a schematic structural view of the split front cover.
Fig. 4 is a schematic view of another direction of the split front cover.
Fig. 5 is a schematic structural view of the stator housing.
Fig. 6 is a schematic view of the stator housing in another orientation.
Fig. 7 is a schematic cross-sectional view of a stator housing.
In the figure: stator casing 1, split type front end housing 2, split type rear end housing 3, sealed connecting piece 4, feed liquor cooling piece 5, layering cooling part 6, go out liquid intercommunication piece 7, first layer cooling water course 8, feed liquor part 9, feed liquor mouth of pipe 10, second floor cooling water course 11, third layer cooling water course 12, water course cover continuous groove 13, liquid outlet 14, first bolt 15, first locating pin 16, casing spiro union internal rib seat 17, rear end housing internal rib plate 18, second bolt 19, second locating pin 20.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-7, a split type stator housing comprises a stator housing 1, stator housing 1 one end be equipped with split type front end housing 2, the other end is equipped with split type rear end housing 3, split type front end housing 2 and split type rear end housing 3 respectively with stator housing 1 between be connected mutually through sealed connecting piece 4 laminating, split type front end housing 2 in be equipped with feed liquor cooling piece 5, stator housing 1 in be equipped with layered cooling portion 6, split type rear end housing 3 in be equipped with out liquid communication piece 7, layered cooling portion 6 be located between feed liquor cooling piece 5 and the play liquid communication piece 7.
In this embodiment, in the casting process, the stator casing 1, split front end housing 2 and split rear end housing 3 three components of a whole that can function independently are cast, carry out split design with the interior annular multilayer water course of hub motor stator casing, with stator casing 1, split front end housing 2 and split rear end housing 3 three components of a whole that can function independently are glued together during the use, connect the triplex through sealed connecting piece 4 and fix, avoid appearing the sand and remain in this internal unclean risk of washing, the leakproofness is good, cooling water gets into through inlet cooling piece 5, the circulation is through split cooling portion 6, go out liquid through outlet communication piece 7 at last, the three-part cooling water course structure is accomplished by the mould, can distribute fast and full cooling channel and the inside of casing body carries out the heat exchange, make the temperature distribution on the motor casing even, the length of split channel is short, remove riser spatial position, simplify the body, cancel the lid seal bowl lid process, resistance to the coolant is little, change former casing casting technology through split type structure, get rid of the sand core, simplify the technology, reduce cost, the rate of casting is improved.
Referring to fig. 1-7, the liquid inlet cooling member 5 includes a first layer of cooling water channel 8 disposed in the split front end cover 2, the first layer of cooling water channel 8 is communicated with the layered cooling portion 6, the split front end cover 2 is provided with a liquid inlet portion 9, and the liquid inlet portion 9 is communicated with the first layer of cooling water channel 8.
Specifically speaking, in the cooling process, cooling water gets into in the first layer cooling water course 8 from feed liquor portion 9, and rethread first layer cooling water course 8 gets into in the layering cooling portion 6, and first layer cooling water course 8 and layering cooling portion 6 adopt split type structure, avoid appearing the sand and remain in this internal unclean risk of washing.
Referring to fig. 1, 3 and 4, the liquid inlet 9 includes a liquid inlet nozzle 10 disposed on the split front end cover 2, the liquid inlet nozzle 10 is communicated with the first layer cooling water channel 8, and the liquid inlet nozzle 10 is located at one end of the split front end cover 2 far away from the stator housing 1.
In this embodiment, during the cooling process, the cooling water enters the first-layer cooling water channel 8 from the liquid inlet pipe orifice 10, and then enters the layered cooling part 6 through the first-layer cooling water channel 8.
The layered cooling part 6 comprises a second layer cooling water channel 11 and a third layer cooling water channel 12 which are arranged in the stator shell 1, the second layer cooling water channel 11 and the third layer cooling water channel 12 are communicated, the first layer cooling water channel 8 is communicated with the second layer cooling water channel 11, and the third layer cooling water channel 12 is communicated with the liquid outlet communicating piece 7.
In this embodiment, during the cooling process, the cooling water enters the first layer cooling water channel 8 from the liquid inlet pipe orifice 10, then enters the second layer cooling water channel 11 and the third layer cooling water channel 12 through the first layer cooling water channel 8, and the inside of the stator housing 1 is cooled in a layered manner through the second layer cooling water channel 11 and the third layer cooling water channel 12, so that the cooling area is large.
Referring to fig. 7, the cross-sectional width of the flow channel at both ends of the third layer cooling water channel 12 is smaller than that of the middle layer cooling water channel.
In this embodiment, the width of the cross section of the flow channel at the two ends of the third layer cooling water channel 12 is smaller than the width of the cross section of the flow channel in the middle, so that the residence time of the cooling water in the middle of the stator housing 1 is prolonged, and the cooling heat exchange effect is improved.
The liquid outlet communicating piece 7 is equipped with a plurality of water course cover even grooves 13 including setting up in split type rear end cover 3, a plurality of water course cover even grooves 13 be annular array distribution along split type rear end cover 3 central point, water course cover even grooves 13 be linked together with third layer cooling water course 12, split type rear end cover 3 in be equipped with liquid outlet 14, liquid outlet 14 be linked together with water course cover even groove 13.
In this embodiment, the split-type rear end cover 3 is used for covering and sealing the third-layer cooling water channel 12, and cooling water flows from the third-layer cooling water channel 12 into the water channel covering connecting groove 13, and then is discharged through the liquid outlet 14.
The sealing type connecting piece 4 comprises a plurality of first bolts 15 and first positioning pins 16 which are arranged between the split type front end cover 2 and the stator housing 1, and the first bolts 15 and the first positioning pins 16 are respectively staggered with the first layer cooling water channel 8.
In this embodiment, link firmly through first bolt 15 and first locating pin 16 between split type front end housing 2 and the stator casing 1, adopt detachable construction, easy dismounting reduces maintenance and use cost.
And sealant is coated between the split front end cover 2 and the stator housing 1.
In this embodiment, scribble the sealant between split type front end housing 2 and the stator casing 1, have better sealed effect, avoid appearing the seepage condition.
Referring to fig. 2 and 6, the stator housing 1 is provided with a housing screw-connected inner rib seat 17, the split rear end cover 3 is provided with a rear end cover inner rib plate 18, a plurality of second bolts 19 and second positioning pins 20 are arranged between the housing screw-connected inner rib seat 17 and the rear end cover inner rib plate 18, and the second bolts 19 and the second positioning pins 20 are respectively arranged in a staggered manner with the water channel covering connecting groove 13.
In this embodiment, the inner rib seat 17 of the shell body spiro union and the inner rib plate 18 of the rear end cover are used for installing and connecting the second bolt 19 and the second locating pin 20, the stator shell body 1 and the split type rear end cover 3 are fixedly connected through the second bolt 19 and the second locating pin 20, a detachable structure is adopted, the disassembly and the assembly are simple and convenient, and the maintenance and the use cost are reduced.
And sealant is coated between the split rear end cover 3 and the stator housing 1.
In this embodiment, scribble the sealant between split type rear end cover 3 and the stator casing 1, have better sealed effect, avoid appearing the seepage condition.
The working principle of the utility model is as follows:
In the casting process, the stator housing 1, the split front end cover 2 and the split rear end cover 3 are cast in a split manner, the inner annular multi-layer water channel of the stator housing of the hub motor is designed in a split manner, the stator housing 1, the split front end cover 2 and the split rear end cover 3 are assembled together in a glue manner during use, the split front end cover 2 and the stator housing 1 are fixedly connected through the first bolt 15 and the first positioning pin 16, a detachable structure is adopted, the disassembly and the assembly are simple and convenient, the maintenance and the use cost are reduced, the sealant is coated between the split front end cover 2 and the stator housing 1, the better sealing effect is achieved, the leakage condition is avoided, the housing screwed inner rib seat 17 and the rear end cover inner rib plate 18 are used for installing and connecting the second bolt 19 and the second positioning pin 20, the stator housing 1 and the split rear end cover 3 are fixedly connected through the second bolt 19 and the second positioning pin 20, the disassembly structure is adopted, the disassembly and assembly are simple and the use cost is reduced, the sealant is coated between the split rear end cover 3 and the stator housing 1, the better sealing effect is achieved, the leakage condition is avoided, the occurrence in the unclean risk is avoided,
In the cooling process, cooling water enters the first layer cooling water channel 8 from the liquid inlet pipe orifice 10, then enters the second layer cooling water channel 11 and the third layer cooling water channel 12 through the first layer cooling water channel 8, the inside of the stator housing 1 is cooled in a layered manner through the second layer cooling water channel 11 and the third layer cooling water channel 12, the cooling area is large, the width of the cross section of the flow channel at the two ends of the third layer cooling water channel 12 is smaller than that of the middle part, the residence time of the cooling water in the middle part of the stator housing 1 is prolonged, the cooling heat exchange effect is improved, the split type rear end cover 3 is used for covering and sealing the third layer cooling water channel 12, the cooling water flows into the water channel covering connecting groove 13 from the third layer cooling water channel 12, and then is discharged through the liquid outlet 14,
The three-part cooling water channel structure is completed by the die, and can quickly distribute full cooling channels to perform heat exchange with the inside of the shell body, so that the temperature distribution on the motor shell is uniform, the length of a diversion channel is short, the space position of a riser is removed, the body is simplified, the process of sealing a bowl cover by a cover is canceled, the resistance to cooling liquid is small, the casting process of the original shell is changed through a split structure, sand cores are removed, the casting process is simplified, the cost is reduced, and the yield is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although terms such as the stator housing 1, the split front end cover 2, the split rear end cover 3, the sealing type connection member 4, the liquid inlet cooling member 5, the layered cooling portion 6, the liquid outlet communication member 7, the first layer cooling water passage 8, the liquid inlet portion 9, the liquid inlet pipe orifice 10, the second layer cooling water passage 11, the third layer cooling water passage 12, the water passage covering connection groove 13, the liquid outlet 14, the first bolt 15, the first positioning pin 16, the housing screw joint inner rib seat 17, the rear end cover inner rib plate 18, the second bolt 19, the second positioning pin 20, etc. are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides a split type stator casing, includes stator casing (1), its characterized in that, stator casing (1) one end be equipped with split type front end housing (2), the other end is equipped with split type rear end housing (3), split type front end housing (2) and split type rear end housing (3) respectively with stator casing (1) between be connected through sealed connecting piece (4) laminating mutually, split type front end housing (2) in be equipped with feed liquor cooling part (5), stator casing (1) in be equipped with layered cooling portion (6), split type rear end housing (3) in be equipped with out liquid communication piece (7), layered cooling portion (6) be located between feed liquor cooling part (5) and the play liquid communication piece (7).
2. The split stator housing according to claim 1, wherein the liquid inlet cooling member (5) comprises a first layer of cooling water channel (8) arranged in the split front end cover (2), the first layer of cooling water channel (8) is communicated with the layered cooling part (6), the split front end cover (2) is provided with a liquid inlet part (9), and the liquid inlet part (9) is communicated with the first layer of cooling water channel (8).
3. The split stator housing according to claim 2, wherein the liquid inlet portion (9) comprises a liquid inlet pipe opening (10) arranged on the split front end cover (2), the liquid inlet pipe opening (10) is communicated with the first layer of cooling water channel (8), and the liquid inlet pipe opening (10) is located at one end, far away from the stator housing (1), of the split front end cover (2).
4. A split stator casing according to claim 3, wherein the layered cooling part (6) comprises a second layer cooling water channel (11) and a third layer cooling water channel (12) which are arranged in the stator casing (1), the second layer cooling water channel (11) and the third layer cooling water channel (12) are communicated, the first layer cooling water channel (8) is communicated with the second layer cooling water channel (11), and the third layer cooling water channel (12) is communicated with the liquid outlet communicating member (7).
5. The split stator housing of claim 4 wherein the third layer cooling water channel (12) has a smaller cross-sectional width than the middle portion.
6. The split stator housing according to claim 5, wherein the liquid outlet communicating member (7) comprises a plurality of water channel covering connecting grooves (13) arranged in the split rear end cover (3), the water channel covering connecting grooves (13) are distributed in an annular array along the center point of the split rear end cover (3), the water channel covering connecting grooves (13) are communicated with the third layer of cooling water channels (12), a liquid outlet (14) is formed in the split rear end cover (3), and the liquid outlet (14) is communicated with the water channel covering connecting grooves (13).
7. The split stator housing according to claim 6, wherein the sealing type connecting piece (4) comprises a plurality of first bolts (15) and first positioning pins (16) which are arranged between the split front end cover (2) and the stator housing (1), and the first bolts (15) and the first positioning pins (16) are respectively staggered with the first layer cooling water channels (8).
8. The split stator housing according to claim 7, wherein a sealant is applied between the split front end cover (2) and the stator housing (1).
9. The split stator housing according to claim 8, wherein the stator housing (1) is internally provided with a housing screw connection inner rib seat (17), the split rear end cover (3) is internally provided with a rear end cover inner rib plate (18), a plurality of second bolts (19) and second positioning pins (20) are arranged between the housing screw connection inner rib seat (17) and the rear end cover inner rib plate (18), and the second bolts (19) and the second positioning pins (20) are respectively arranged in a staggered manner with the water channel covering connecting groove (13).
10. The split stator housing according to claim 9, wherein a sealant is applied between the split rear end cap (3) and the stator housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367867.8U CN220822778U (en) | 2023-08-31 | 2023-08-31 | Split stator housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367867.8U CN220822778U (en) | 2023-08-31 | 2023-08-31 | Split stator housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822778U true CN220822778U (en) | 2024-04-19 |
Family
ID=90698033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322367867.8U Active CN220822778U (en) | 2023-08-31 | 2023-08-31 | Split stator housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220822778U (en) |
-
2023
- 2023-08-31 CN CN202322367867.8U patent/CN220822778U/en active Active
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