CN216959528U - Liquid cooling loop motor - Google Patents
Liquid cooling loop motor Download PDFInfo
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- CN216959528U CN216959528U CN202220461896.3U CN202220461896U CN216959528U CN 216959528 U CN216959528 U CN 216959528U CN 202220461896 U CN202220461896 U CN 202220461896U CN 216959528 U CN216959528 U CN 216959528U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a liquid cooling loop motor which comprises a base, a flange end cover, a rear end cover and a main shaft, wherein a spiral cooling tank is arranged in the side wall of the base, a special-shaped liquid inlet hole and a special-shaped liquid outlet hole are respectively formed in the front end and the rear end of the base, a first cooling cavity is arranged in the flange end cover, a liquid inlet hole is formed in the front side wall of the first cooling cavity, a first special-shaped hole is formed in the upper side wall of the first cooling cavity and communicated with the special-shaped liquid inlet hole, a sealing cover is arranged at the rear end of the rear end cover, a second cooling cavity is formed in the rear end cover and the sealing cover, a second special-shaped hole is formed in the upper side wall of the second cooling cavity and communicated with the special-shaped liquid outlet hole, a through hole is formed in the main shaft and communicated with the second cooling cavity, and the liquid inlet hole and the main shaft are both connected with an external cooling system. By arranging the liquid cooling loop, compared with the existing main drive motor liquid cooling base, the utility model has larger heat dissipation area and better effect, and effectively reduces the temperature of the motor stator, the rotor and the bearing; simple structure, security are high, have reduced the motor volume, have practiced thrift the motor space, have reached the purpose of lightweight.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a liquid cooling loop motor.
Background
Nowadays, motors increasingly require light weight, and the motors are required to be small in size, light in weight and compact in structure, so that the light weight of the motors can be effectively realized by enhancing the heat dissipation capacity of the motors particularly in the industries of vehicles, ships and the like with limited space.
The traditional motor adopts an air cooling mode for heat dissipation, and a fan or a fan is usually required to be installed in the mode, so that the occupied space is large, the heat dissipation efficiency is low, and the noise problem can be caused. The common main drive motor for the new energy vehicle adopts a liquid cooling base to dissipate heat to cool the stator, and the heat dissipation efficiency is limited by the area of a base water channel. Therefore, a more efficient liquid cooling loop motor needs to be researched to enhance the heat dissipation efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid cooling loop motor aiming at occasions with high requirements on the size and the weight of the motor, such as vehicles, ships and the like, and aims to achieve the purpose of light weight of the motor by improving the heat dissipation efficiency of the motor. The utility model has the advantages of simple structure, high safety, space saving, weight reduction and the like, and can effectively reduce the temperature of the motor stator, the motor rotor and the bearing.
In order to achieve the purpose, the utility model provides the following technical scheme:
a liquid cooling loop motor comprises a base, a flange end cover connected with the front end of the base, a rear end cover connected with the rear end of the base and a main shaft, and is characterized in that a spiral cooling tank is arranged in the side wall of the base, a special-shaped liquid inlet hole and a special-shaped liquid outlet hole are respectively arranged on the front end surface and the rear end surface and are communicated with the two ends of the spiral cooling tank, the rear end of the flange end cover is detachably, hermetically and fixedly connected with the front end of the base, a first cooling cavity is arranged in the flange end cover, a plurality of circumferentially and uniformly distributed liquid inlet holes are arranged on the front side wall of the first cooling cavity and are communicated with the first cooling cavity, a first special-shaped hole is arranged on the upper side wall and is communicated with the special-shaped liquid inlet hole, the liquid inlet hole is connected with an external cooling system through a first liquid conveying pipe, the rear end cover is detachably, hermetically and fixedly connected with the rear end of the base through a bolt, a sealing cover is arranged on the rear end surface of the rear end cover, a second cooling cavity is arranged in the rear end cover and the sealing cover, the utility model discloses a cooling machine, including flange end cover, frame, rear end cover, main shaft, feed liquor hole, first cooling chamber, first dysmorphism hole, dysmorphism feed liquor hole, spiral cooling bath, dysmorphism play liquid hole, second dysmorphism hole, second cooling chamber, main shaft in through-hole and the outer cooling system formation liquid cooling loop, can effectively dispel the heat to the motor that be equipped with second dysmorphism hole and dysmorphism liquid hole intercommunication on the lateral wall on the second cooling chamber, the main shaft is installed in the center hole of flange end cover, frame, rear end cover through preceding, back two bearings, and inside is equipped with the through-hole, the rear end and the second cooling chamber intercommunication of through-hole, the front end passes through the second transfer line and is connected with outer cooling system, feed liquor hole, first cooling chamber, first dysmorphism hole, dysmorphism feed liquor hole, spiral cooling bath, dysmorphism liquid hole, second cooling chamber, main shaft.
As a further improvement of the technology, the engine base comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved on the outer side of the inner cylinder and is fixedly connected with the spiral cooling tank in a sealing mode in a welding mode, and the special-shaped liquid inlet hole and the special-shaped liquid outlet hole are respectively formed in the front end and the rear end of the inner cylinder.
As a further improvement of the technology, the special-shaped liquid inlet hole and the special-shaped liquid outlet hole are arranged to be arc-shaped holes which are coaxial and have consistent shapes and sizes.
As a further improvement of the technology, the flange end cover comprises a front flange cover, an inner sleeve, an outer sleeve, a first trough plate, a bearing seat and a rear flange cover, the inner sleeve is sleeved in the outer sleeve, two ends of the inner sleeve and the outer sleeve are respectively fixedly connected with the rear end face of the front flange cover and the front end face of the rear flange cover, the first cooling cavity is an annular cavity surrounded by the front flange cover, the inner sleeve, the outer sleeve and the rear flange cover, a plurality of circumferentially and uniformly distributed liquid inlet holes are arranged on the front side wall of the first cooling cavity, the first special-shaped holes comprise transverse liquid outlet holes, first open slots and first vertical through slots, the transverse liquid outlet holes are communicated with the special-shaped liquid inlet holes and are arranged on the upper side of the rear end face of the rear flange cover, the transverse liquid outlet holes are arc-shaped holes with the special-shaped liquid inlet holes in the same shape and size, the first trough plate is fixedly connected to the front side face of the rear flange cover and corresponds to the transverse liquid outlet holes, the first open slot is arranged on the rear side face of the first slot plate, the upper end of the first open slot is communicated with the transverse liquid outlet hole, the first vertical through slot is arranged on the upper side wall of the rear end of the outer sleeve, the upper end of the first vertical through slot is communicated with the lower end of the first open slot, and the bearing seat is fixedly connected in the center hole of the rear flange cover.
As a further improvement of the technology, a first annular sealing groove which is consistent with the shape of the transverse liquid outlet hole is arranged on the periphery of the transverse liquid outlet hole on the upper side of the rear side surface of the rear flange cover, and a first O-shaped sealing ring is arranged in the first annular sealing groove and used for carrying out end face sealing on the connecting surface of the transverse liquid outlet hole in butt joint with the special-shaped liquid inlet hole.
As a further improvement of the technology, a bearing mounting hole is arranged in the middle of the rear end cover, a first counter bore is arranged at the rear side of the bearing mounting hole, the middle of the outer side surface of the rear end cover is provided with a flange extending outwards, the front side surface of the flange is detachably, hermetically and fixedly connected with the rear end surface of the machine base, the second special-shaped hole comprises a transverse liquid inlet hole, a second open slot and a second vertical through slot, the transverse liquid inlet hole is communicated with the special-shaped liquid outlet hole and is arranged on the upper side of the front side surface of the flange, the transverse liquid inlet hole is an arc hole with the same shape and size as the special-shaped liquid outlet hole, a second groove plate is arranged at the upper side of the rear side surface of the flange corresponding to the transverse liquid inlet hole, the second open slot is arranged on the front side face of the second slot plate, the upper end of the second open slot is communicated with the transverse liquid outlet hole, the second vertical through slot is arranged on the outer side wall of the first counter bore, and the upper end of the second open slot is communicated with the lower end of the second open slot.
As a further improvement of the technology, a second annular sealing groove which is consistent with the shape of the transverse liquid inlet hole is arranged on the periphery of the transverse liquid inlet hole on the upper side of the rear side face of the flange, and a second O-shaped sealing ring is arranged in the second annular sealing groove to seal the end face of the connecting face, butted with the transverse liquid inlet hole and the special-shaped liquid outlet hole, of the transverse liquid inlet hole.
As a further improvement of the technology, a third annular sealing groove is formed in the rear end face of the rear end cover, and a third O-shaped sealing ring is arranged in the third annular sealing groove to seal the end face of the connecting face of the rear end cover and the sealing cover.
As a further improvement of the technology, a circular sinking groove is formed in the front side surface of the sealing cover, a second cooling cavity is formed by the first counter bore and the circular sinking groove, a bearing inner cover is arranged on the front side of the rear end cover, a bearing outer cover is arranged on the bottom surface of the first counter bore, a fourth annular sealing groove is formed in the bottom surface of the first counter bore, a fourth O-shaped sealing ring is arranged in the fourth annular sealing groove, and the bearing outer cover and the bottom surface of the first counter bore are sealed through end faces;
bearing inner cup, rear end cap and bearing enclosing cover pass through the bolt and can dismantle sealed fixed connection, all overlap in bearing enclosing cover rear side on the bolt lateral surface and be equipped with fifth O type sealing washer, seal the bolt mounting hole.
As a further improvement of the technology, a framework oil seal is arranged between the inner hole of the bearing outer cover and the outer circular surface of the main shaft, and the maximum bearing pressure of the framework oil seal is greater than 3 MPa.
Compared with the prior art, the utility model has the beneficial effects that: 1) compared with the existing main drive motor liquid cooling base, the liquid cooling base has larger heat dissipation area and better effect, and can effectively reduce the temperature of a motor stator, a motor rotor and a bearing; 2) the liquid cooling loop is sealed by arranging the first O-shaped sealing ring, the fifth O-shaped sealing ring and the framework oil seal with the bearing pressure of more than 3MPa, so that the tightness and the heat dissipation capacity of the liquid cooling loop are ensured; 3) the motor has the advantages of simple structure and high safety, reduces the volume of the motor, saves the space of the motor and achieves the aim of light weight.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external structure according to an embodiment of the present invention;
FIG. 3 is a right side view of a flanged end cap according to an embodiment of the utility model;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a left side view of the housing according to the embodiment of the present invention;
FIG. 7 is a cross-sectional view taken at C-C of FIG. 6;
fig. 8 is a left side view of a rear end cap according to an embodiment of the present invention.
FIG. 9 is a cross-sectional view taken along line D-D of FIG. 8;
fig. 10 is a cross-sectional view E-E of fig. 9.
In the figure: 1. a flange end cover, 101, a front flange cover, 1011, a liquid inlet hole, 102, a rear flange cover, 1021, a transverse liquid outlet hole, 1022, a first annular sealing groove, 103, an inner sleeve, 104, an outer sleeve, 1041, a first open slot, 105, a first slot plate, 1051, a first vertical through groove, 106, a bearing seat, 107, a first cooling cavity, 2, a machine base, 201, an inner cylinder, 2011, a spiral cooling slot, 2012, a special-shaped liquid inlet hole, 2013, a special-shaped liquid outlet hole, 202, an outer cylinder, 3, a first O-shaped sealing ring, 4, a rear end cover, 401, a flange, 4011, a transverse liquid inlet hole, 4012, a second annular sealing groove, 402, a second slot plate, 4021, a second open slot, 403, a bearing mounting hole, 404, a first counter bore, 405, a second vertical through groove, 406, a third annular sealing groove, 407, a fourth annular sealing groove, 5, a second O-shaped sealing ring, 6, a main shaft, 601, a through hole, 7, a sealing cover, 701. the bearing comprises a second counter bore, 8, a second cooling cavity, 9, a third O-shaped sealing ring, 10, a bearing outer cover, 11, a bearing inner cover, 12, a bolt, 13, a fourth O-shaped sealing ring, 14, a fifth O-shaped sealing ring, 15 and a framework oil seal.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
As shown in fig. 1 and 2, the embodiment of the present invention includes a base 2, a flange cover 1 connected to a front end of the base 2, a rear cover 4 connected to a rear end of the base 2, and a main shaft 6.
As shown in fig. 6 and 7, the base 2 includes an inner cylinder 201 and an outer cylinder 202, the outer cylinder 202 is sleeved on the outer side of the inner cylinder 201 and is fixedly connected in a sealing manner by welding, a spiral cooling groove 2011 is arranged on the outer side wall of the inner cylinder 201, a special-shaped liquid inlet hole 2012 and a spiral cooling groove 2011 are arranged on the front end surface of the inner cylinder 201 and are communicated, a special-shaped liquid outlet hole 2013 and a spiral cooling groove 2011 are arranged on the rear end surface, and the special-shaped liquid inlet hole 2012 and the special-shaped liquid outlet hole 2013 are arranged to be arc-shaped holes which are coaxial and have the same shape and size.
As shown in fig. 3, 4 and 5, the flange end cover 1 includes a front flange cover 101, an inner sleeve 103, an outer sleeve 104, a first trough plate 105, a bearing seat 106 and a rear flange cover 102, the inner sleeve 103 is sleeved in the outer sleeve 104, two ends of the inner sleeve 103 and the outer sleeve 104 are respectively fixedly connected with a rear end face of the front flange cover 101 and a front end face of the rear flange cover 102, the front flange cover 101, the inner sleeve 103, the outer sleeve 104 and the rear flange cover 102 enclose an annular chamber, which is set as a first cooling chamber 107, 8 circumferentially and uniformly distributed liquid inlet holes 1011 are arranged on a front side wall of the first cooling chamber 107 and communicated with the first cooling chamber 107, a first special-shaped hole and a special-shaped liquid inlet hole 1012 are arranged on an upper side wall, the first special-shaped hole includes a transverse liquid outlet hole 1021, a first open slot 1051 and a first vertical through slot 1041, the transverse liquid outlet hole is communicated with the special-shaped liquid inlet hole 1012 and arranged on an upper side of the rear end face of the rear flange cover 102, the transverse liquid outlet hole 1021 is set as a shape of the special-shaped liquid inlet hole 1012, The equal unanimous arc hole of size, first frid 105 fixed connection go out liquid hole 1021 on the front face of rear flange lid 102 and correspond the position with horizontal, on first frid 105 trailing flank was located to first open slot 1051, the upper end and horizontal liquid hole 1021 intercommunication, on the lateral wall was located to first vertical logical groove 1041 on the overcoat 104 rear end, upper end and first open slot 1051 lower extreme intercommunication, bearing frame 106 fixed connection was in rear flange lid 102 centre bore.
As shown in fig. 1 and 2, the rear flange cover 102 is detachably, hermetically and fixedly connected with the front end of the base 2 through bolts.
As shown in fig. 1, 3 and 4, a first annular sealing groove 1022 having the same shape as the transverse liquid outlet hole 1021 is disposed at the periphery of the transverse liquid outlet hole 1021 on the upper side of the rear side surface of the rear flange cover 102, and a first O-ring 3 is disposed in the first annular sealing groove 1022 to seal the end surface of the connecting surface of the transverse liquid outlet hole 1021 and the special-shaped liquid inlet hole 2012.
As shown in fig. 8, 9 and 10, a bearing mounting hole 403 is formed in the middle of the rear end cover 4, a first counter bore 404 is formed in the rear side of the bearing mounting hole 403, a flange 401 extending outwards is formed in the middle of the outer side surface of the rear end cover 4, a sealing cover 7 is arranged on the rear end surface of the rear end cover 4, a circular counter bore 701 is formed in the front side surface of the sealing cover 7, the first counter bore 404 and the circular counter bore 701 form a second cooling cavity 8, a second special-shaped hole is formed in the upper side wall of the second cooling cavity 8 and communicated with a special-shaped liquid outlet hole 2013, the second special-shaped hole comprises a transverse liquid inlet 4011, a second open slot plate 402 is formed in the position, corresponding to the transverse liquid inlet 4011, of the transverse liquid inlet is communicated with the special-shaped liquid outlet hole 2013 and arranged on the upper side surface of the front side surface of the flange 401, the transverse liquid inlet hole 4011 of the flange 401 is provided with an arc-shaped hole with the same shape and size, a second open slot plate 402 is arranged on the front side surface of the second slot plate 402, the upper end is communicated with the transverse liquid outlet hole 4011, the second vertical through groove 405 is formed in the outer side wall of the first counter bore 404, and the upper end is communicated with the lower end of the second open groove 4021.
As shown in fig. 1 and 2, the front side surface of the flange 401 of the rear end cover 4 is detachably, hermetically and fixedly connected with the rear end surface of the base 2 through bolts.
As shown in fig. 1, 8 and 9, a second annular sealing groove 4012 having the same shape as the transverse liquid inlet hole 4011 is arranged on the periphery of the transverse liquid inlet hole 4011 on the upper side of the rear side surface of the flange 401, and a second O-ring seal 5 is arranged in the second annular sealing groove 4012 to perform end face sealing on a connecting surface where the transverse liquid inlet hole 4011 is butted with the special-shaped liquid outlet hole 2013.
As shown in fig. 1 and 9, a third annular sealing groove 406 is formed in the rear end face of the rear end cap 4, and a third O-ring 9 is disposed in the third annular sealing groove 406 to seal the end face of the connection face between the rear end cap 4 and the sealing cover 7.
The front side of the rear end cover 4 is provided with a bearing inner cover 11, the bottom surface of the first counter bore 404 is provided with a bearing outer cover 10, the bottom surface of the first counter bore 404 is provided with a fourth annular sealing groove 407, the fourth annular sealing groove 407 is internally provided with a fourth O-shaped sealing ring 13, and the bearing outer cover 10 and the bottom surface of the first counter bore 404 are sealed by end faces;
bearing inner cup 11, rear end cap 4 and bearing enclosing cover 10 pass through bolt 12 and can dismantle sealed fixed connection, all overlap in bearing enclosing cover 10 rear side on the 12 lateral surfaces of bolt and be equipped with fifth O type sealing washer 14, seal the bolt mounting hole.
As shown in fig. 1 and 2, the main shaft 6 is mounted in the central holes of the flange end cover 1, the base 2 and the rear end cover 4 through the front and rear bearings, a through hole 601 is formed inside the main shaft, the rear end of the through hole 601 is communicated with the second cooling chamber 8, a framework oil seal 15 is arranged between the inner hole of the bearing outer cover 10 and the outer circular surface of the main shaft 6, and the maximum bearing pressure of the framework oil seal 15 is greater than 3 MPa.
The liquid inlet 1011 of the utility model is connected with the outlet of a cooling liquid pump of an external cooling system through a first liquid conveying pipe, and the front end of the through hole 601 in the main shaft 6 is connected with the liquid return port of a cooling liquid tank of the external cooling system through a second liquid conveying pipe. Feed liquor hole 1011, first cooling chamber 107, first vertical logical groove 1041, first open slot 1051, transversely go out liquid hole 1021, dysmorphism feed liquor hole 2012, spiral cooling bath 2011, dysmorphism goes out liquid hole 2013, horizontal feed liquor hole 4011, second open slot 4021, the vertical logical groove 405 of second, second cooling chamber 8, main shaft inner through-hole 601 forms the liquid cooling return circuit with external cooling system, it is bigger to compare current main driving motor liquid cooling frame heat radiating area, the effect is better, can effectual reduction motor stator, rotor and bearing temperature, and simple structure, high safety, the motor volume has been reduced, the motor space has been practiced thrift, the lightweight purpose has been reached.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A liquid cooling loop motor comprises a base, a flange end cover connected with the front end of the base, a rear end cover connected with the rear end of the base and a main shaft, and is characterized in that a spiral cooling tank is arranged in the side wall of the base, a special-shaped liquid inlet hole and a special-shaped liquid outlet hole are respectively arranged on the front end surface and the rear end surface and are communicated with the two ends of the spiral cooling tank, the rear end of the flange end cover is detachably, hermetically and fixedly connected with the front end of the base, a first cooling cavity is arranged in the flange end cover, a plurality of circumferentially and uniformly distributed liquid inlet holes are arranged on the front side wall of the first cooling cavity and are communicated with the first cooling cavity, a first special-shaped hole is arranged on the upper side wall and is communicated with the special-shaped liquid inlet hole, the liquid inlet hole is connected with an external cooling system through a first liquid conveying pipe, the rear end cover is detachably, hermetically and fixedly connected with the rear end of the base through a bolt, a sealing cover is arranged on the rear end surface of the rear end cover, a second cooling cavity is arranged in the rear end cover and the sealing cover, the utility model discloses a cooling machine, including flange end cover, frame, rear end cover, main shaft, feed liquor hole, first cooling chamber, first dysmorphism hole, dysmorphism feed liquor hole, spiral cooling bath, dysmorphism play liquid hole, second dysmorphism hole, second cooling chamber, main shaft in through-hole and the outer cooling system formation liquid cooling loop, can effectively dispel the heat to the motor that be equipped with second dysmorphism hole and dysmorphism liquid hole intercommunication on the lateral wall on the second cooling chamber, the main shaft is installed in the center hole of flange end cover, frame, rear end cover through preceding, back two bearings, and inside is equipped with the through-hole, the rear end and the second cooling chamber intercommunication of through-hole, the front end passes through the second transfer line and is connected with outer cooling system, feed liquor hole, first cooling chamber, first dysmorphism hole, dysmorphism feed liquor hole, spiral cooling bath, dysmorphism liquid hole, second cooling chamber, main shaft.
2. A liquid cooled electric motor as set forth in claim 1, wherein: the machine base comprises an inner barrel and an outer barrel, the outer barrel is sleeved on the outer side of the inner barrel and is fixedly connected with the spiral cooling tank in a sealing mode on the outer side surface of the inner barrel, and the special-shaped liquid inlet hole and the special-shaped liquid outlet hole are respectively formed in the front end and the rear end of the inner barrel.
3. A liquid cooled electric motor as set forth in claim 2, wherein: the special-shaped liquid inlet hole and the special-shaped liquid outlet hole are arc-shaped holes which are coaxial and have consistent shapes and sizes.
4. A liquid cooled circuit motor as claimed in claim 3, wherein: the flange end cover comprises a front flange cover, an inner sleeve, an outer sleeve, a first trough plate, a bearing seat and a rear flange cover, the inner sleeve is sleeved in the outer sleeve, two ends of the inner sleeve and the outer sleeve are respectively fixedly connected with the rear end face of the front flange cover and the front end face of the rear flange cover, the first cooling cavity is an annular cavity defined by the front flange cover, the inner sleeve, the outer sleeve and the rear flange cover, a plurality of circumferentially and uniformly distributed liquid inlet holes are arranged on the front side wall of the first cooling cavity, the first special-shaped hole comprises a transverse liquid outlet hole, a first open slot and a first vertical through slot, the transverse liquid outlet hole is communicated with the special-shaped liquid inlet hole and is arranged on the upper side of the rear end face of the rear flange cover, the transverse liquid outlet hole is an arc-shaped hole with the special-shaped liquid inlet hole in shape and size, the first trough plate is fixedly connected to the front side face of the rear flange cover and corresponds to the transverse liquid outlet hole, and the first open slot is arranged on the rear side face of the first trough plate, the upper end is communicated with the transverse liquid outlet hole, the first vertical through groove is formed in the upper side wall of the rear end of the outer sleeve, the upper end is communicated with the lower end of the first open groove, and the bearing seat is fixedly connected into the center hole of the rear flange cover.
5. The liquid-cooled circuit motor as claimed in claim 4, wherein: the rear flange cover is characterized in that a first annular sealing groove which is consistent with the shape of the transverse liquid outlet hole is formed in the periphery of the transverse liquid outlet hole in the upper side of the rear side face of the rear flange cover, and a first O-shaped sealing ring is arranged in the first annular sealing groove and used for carrying out end face sealing on the connecting face of the transverse liquid outlet hole in butt joint with the special-shaped liquid inlet hole.
6. A liquid cooled electric motor as set forth in claim 1, wherein: be equipped with the bearing mounting hole in the middle of the rear end housing, bearing mounting hole rear side is equipped with first counter bore, be equipped with the flange that extends outwards in the middle of the rear end housing lateral surface, sealed fixed connection can be dismantled with the frame rear end face to the leading flank of flange, second dysmorphism hole includes horizontal feed liquor hole, second open slot and the vertical logical groove of second, horizontal feed liquor hole goes out liquid hole intercommunication with the dysmorphism, locates flange leading flank upside, horizontal feed liquor hole is established to the arc hole equal unanimity with dysmorphism liquid hole shape, size, flange trailing flank upside is equipped with the second frid with horizontal feed liquor hole corresponding position, on the second frid leading flank was located to the second open slot, the upper end and horizontal liquid hole intercommunication of going out, the vertical logical groove of second is located on the lateral wall of first counter bore, upper end and second open slot lower extreme intercommunication.
7. The liquid-cooled circuit motor as claimed in claim 6, wherein: and a second annular sealing groove with the same shape as the transverse liquid inlet hole is arranged on the periphery of the transverse liquid inlet hole on the upper side of the rear side face of the flange, and a second O-shaped sealing ring is arranged in the second annular sealing groove to seal the end face of the butt joint surface of the transverse liquid inlet hole and the special-shaped liquid outlet hole.
8. The liquid-cooled circuit motor as claimed in claim 7, wherein: and a third annular sealing groove is formed in the rear end face of the rear end cover, a third O-shaped sealing ring is arranged in the third annular sealing groove, and the end face of the connecting face of the rear end cover and the sealing cover is sealed.
9. The liquid-cooled circuit motor as claimed in claim 8, wherein: a circular sinking groove is formed in the front side face of the sealing cover, a second cooling cavity is formed by the first counter bore and the circular sinking groove, a bearing inner cover is arranged on the front side of the rear end cover, a bearing outer cover is arranged on the bottom face of the first counter bore, a fourth annular sealing groove is formed in the bottom face of the first counter bore, a fourth O-shaped sealing ring is arranged in the fourth annular sealing groove, and the bearing outer cover and the bottom face of the first counter bore are sealed through end faces;
the bearing inner cover, the rear end cover and the bearing outer cover are detachably and fixedly connected through bolts, and a fifth O-shaped sealing ring is sleeved on the outer side face of each bolt at the rear side of the corresponding bearing outer cover to seal the bolt mounting hole.
10. A liquid cooled circuit motor as set forth in claim 9, wherein: and a framework oil seal is arranged between the inner hole of the bearing outer cover and the outer circular surface of the main shaft, and the maximum bearing pressure of the framework oil seal is greater than 3 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220461896.3U CN216959528U (en) | 2022-03-03 | 2022-03-03 | Liquid cooling loop motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220461896.3U CN216959528U (en) | 2022-03-03 | 2022-03-03 | Liquid cooling loop motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959528U true CN216959528U (en) | 2022-07-12 |
Family
ID=82293136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220461896.3U Active CN216959528U (en) | 2022-03-03 | 2022-03-03 | Liquid cooling loop motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959528U (en) |
-
2022
- 2022-03-03 CN CN202220461896.3U patent/CN216959528U/en active Active
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Inventor after: Li Rui Inventor after: Huang Yueshou Inventor before: Li Rui |
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