CN115714496A - High-protection and high-corrosion-resistance outer rotor motor - Google Patents
High-protection and high-corrosion-resistance outer rotor motor Download PDFInfo
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- CN115714496A CN115714496A CN202211583825.1A CN202211583825A CN115714496A CN 115714496 A CN115714496 A CN 115714496A CN 202211583825 A CN202211583825 A CN 202211583825A CN 115714496 A CN115714496 A CN 115714496A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application relates to a high protection, high anticorrosive external rotor electric machine, it includes the end cover and rotates the rotor that sets up on the end cover, its characterized in that: the rotor comprises a shell and a mandrel fixedly arranged in the shell, a bearing seat is fixedly arranged on the end cover, the mandrel is rotatably arranged in the bearing seat in a penetrating manner, and a labyrinth sealing structure is arranged at a joint of the shell and the end cover; the utility model discloses a bearing frame, including bearing frame, protection casing internal fixation, protection casing, skeleton sealing washer, elastic butt portion and the lateral wall butt of bearing frame, the casing internal fixation is provided with the protection casing, the protection casing is the annular body, just the protection casing rotates the cover and establishes on the bearing frame, coaxial fixed being provided with the skeleton sealing washer on the protection casing, the skeleton sealing washer is established on the bearing frame, be provided with elastic butt portion on the skeleton sealing washer, elastic butt portion adopts the rubber material, just elastic butt portion and the lateral wall butt of bearing frame. This application has the effect that improves external rotor electric machine leakproofness.
Description
Technical Field
The application relates to the technical field of rotor motors, in particular to a high-protection and high-corrosion-resistance outer rotor motor.
Background
Wind power generation refers to turning wind into electricity; the wind power generator is clean and pollution-free, is inexhaustible, and is very suitable for generating electricity by utilizing wind power according to local conditions in coastal islands, grassland pasturing areas, mountain areas and plateau areas with water shortage, fuel shortage and inconvenient traffic; offshore wind power is an important field of renewable energy development, is an important force for promoting wind power technical progress and industry upgrading, is an important measure for promoting energy structure adjustment, is rich in offshore wind energy resources in China, accelerates offshore wind power project construction, and has important significance for promoting the coastal areas to treat atmospheric haze, adjust energy structures and change economic development modes.
At present, an offshore wind power station generally adopts an outer rotor motor, the outer rotor motor mainly comprises an end cover and a rotor rotatably arranged on the end cover, a labyrinth seal structure is arranged at a joint of the end cover and the rotor, an interception gap is formed at the joint of the end cover and the rotor through the labyrinth seal structure, and when the outer rotor motor works, a sealed medium generates a throttling effect when passing through the interception gap so as to achieve the purpose of leakage resistance; however, the sealing capability of the existing labyrinth seal is limited, and when the outer rotor motor is used, salt mist and water still easily penetrate through a joint between the end cover and the rotor to enter the inside of the rotor and corrode parts inside the rotor, so that the outer rotor motor is damaged.
Disclosure of Invention
In order to improve the leakproofness of external rotor electric machine, this application provides a high protection, high anticorrosive external rotor electric machine.
The application provides a pair of high protection, high anticorrosive external rotor electric machine adopts following technical scheme:
a high-protection and high-corrosion-resistance outer rotor motor comprises an end cover and a rotor rotatably arranged on the end cover, wherein the rotor comprises a shell and a mandrel fixedly arranged in the shell, a bearing seat is fixedly arranged on the end cover, the mandrel is rotatably arranged in the bearing seat in a penetrating manner, and a labyrinth seal structure is arranged at a joint of the shell and the end cover;
the utility model discloses a bearing frame, including casing, protection casing, bearing frame, skeleton sealing washer, elasticity butt portion, the casing internal fixation is provided with the protection casing, the protection casing is the annulus, just the protection casing rotates the cover and establishes on the bearing frame, coaxial fixed being provided with the skeleton seal circle on the protection casing, the skeleton seal circle cover is established on the bearing frame, be provided with elasticity butt portion on the skeleton seal circle, elasticity butt portion adopts the rubber material, just the lateral wall butt of elasticity butt portion and bearing frame.
By adopting the technical scheme, the labyrinth seal structure is arranged at the joint of the end cover and the shell, most of the outside in the outside air is prevented from entering the inner part of the outer rotor motor by the sealing medium, after a small amount of salt mist or water enters the outer rotor motor, the salt mist or water is firstly blocked by the protective cover, then the salt mist or water is prevented from entering the inner part of the rotor through the gap between the protective cover and the bearing seat by the framework seal ring, and the corrosion to the parts inside the rotor is caused, so that the sealing property of the outer rotor motor is greatly improved.
Optionally, the protection casing can be dismantled and set up on the casing, be provided with the first mounting that is used for fixed protection casing on the casing, the casing with seam department between the protection casing is provided with the sealing member.
Through adopting above-mentioned technical scheme, can dismantle the setting on the casing with the protection casing, the maintenance in the equipment of the inside spare part of rotor and rotor later stage of being convenient for, and after the protection casing installation was accomplished, the rethread sealing member sealed the seam crossing of protection casing and casing, guaranteed the leakproofness between protection casing and the casing.
Optionally, the sealing member includes a sealing rubber ring, the sealing rubber ring is coaxially and fixedly disposed on the protective cover, a mounting ring is fixedly disposed on the housing, and the sealing rubber ring is used for being sleeved on the mounting ring and abutted against the outer side wall of the mounting ring.
By adopting the technical scheme, when the protective cover is installed, the sealing rubber ring is sleeved on the installation ring of the shell, and the sealing rubber ring is extruded and deformed to tightly abut against the side wall of the installation ring, so that the joint of the protective cover and the shell is sealed.
Optionally, an outer abutting lip and an inner abutting lip are arranged on the elastic abutting portion, the outer abutting lip and the inner abutting lip are both abutted to the side wall of the bearing seat, and a plurality of hair rods are arranged between the outer abutting lip and the inner abutting lip.
Through adopting above-mentioned technical scheme, through the lateral wall of outer butt lip and interior butt lip butt bearing frame, because the rotor is when the fast rotation, bearing frame and outer butt lip and interior butt lip between can form high-pressure draught, high-pressure draught extrudees outer butt lip and interior butt lip, make outer butt lip and interior butt lip to keeping away from the bearing frame direction deformation, thereby make and form the clearance between bearing frame and outer butt lip and the interior butt lip, through set up a plurality of hair shafts between outer butt lip and the interior butt lip, the air current is when getting into between outer butt lip and the interior butt lip through outer butt lip, break up the direction of air current through the hair shaft, thereby effectively reduce the air current and use the power on the interior butt lip, thereby improve the leakproofness effect between interior butt lip and the bearing frame when the rotor is fast rotation.
Optionally, an embedded ring groove is formed in the elastic abutting portion along the circumferential direction of the framework sealing ring, and an annular tension spring is arranged in the embedded buffer.
Through adopting above-mentioned technical scheme, outer butt lip and interior butt lip take place the thermoplasticity deformation after wearing and tearing for a long time with the bearing frame easily, lead to outer butt lip and interior butt lip to reducing the tight effect of supporting of bearing frame, make outer butt lip and interior butt lip have the power to being close to bearing frame direction extrusion deformation all the time through annular extension spring, further improve the bearing frame and outer butt lip and interior butt lip between the sealed effect.
Optionally, labyrinth seal structure is including fixed labyrinth seal circle that sets up on the casing and seting up the annular labyrinth groove on the end cover, labyrinth seal circle rotates and sets up at annular labyrinth inslot, be provided with the clearance that dams between labyrinth seal circle and the annular labyrinth groove, the coaxial fixed annular gum cover that is provided with of one end that the casing was kept away from to labyrinth seal circle, just annular gum cover and the lateral wall butt of annular seal groove.
Through adopting above-mentioned technical scheme, through setting up the clearance that dams between labyrinth seal circle and annular labyrinth groove, effectively avoid labyrinth seal circle or end cover wearing and tearing, by sealing medium after getting into the clearance that dams, carry out the separation through annular gum cover, further improve the leakproofness of casing and end cover seam crossing.
Optionally, the annular gum cover turns over along the direction of keeping away from labyrinth seal circle and turns over outward, a plurality of drainage grooves have been seted up on the lateral wall of annular gum cover, and are a plurality of the drainage groove distributes along the circumference of annular gum cover, the drainage groove is used for guiding the air current and flows along the lateral wall of annular gum cover.
Through adopting above-mentioned technical scheme, the rotor is when rotatory, and in the air current got into the clearance that dams between labyrinth seal and the annular labyrinth groove, the drainage groove through on the annular gum cover guided the air current, and the air current flows along the lateral wall of annular gum cover, because the annular gum cover outwards turns over along the direction of keeping away from labyrinth seal, and the thrust of air current makes the annular gum cover along the direction extrusion deformation of keeping away from labyrinth seal to improve the tight effect of supporting of annular gum cover to annular labyrinth groove lateral wall.
Optionally, the annular rubber sleeve is detachably arranged on the labyrinth seal ring, and a fixing assembly for fixing the annular rubber sleeve is arranged on the labyrinth seal ring.
Through adopting above-mentioned technical scheme, annular gum cover is wearing and tearing or ageing easily after using the certain term, can dismantle the setting with annular gum cover on labyrinth seal circles, is convenient for change annular gum cover, improves the practicality.
Optionally, the fixing assembly comprises a fixing ring and a second fixing piece, an annular mounting groove is formed in the labyrinth sealing ring along the circumferential direction of the labyrinth sealing ring, the fixing ring is used for compressing one end of the annular rubber sleeve in the annular mounting groove, and the second fixing piece is used for fixing the fixing ring in the annular mounting groove.
Through adopting above-mentioned technical scheme, place the one end of annular gum cover in the annular mounting groove, will gu fixed ring puts into the annular mounting groove and compresses tightly annular gum cover, later fixes solid fixed ring through the second mounting, accomplishes the installation of annular gum cover.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the labyrinth seal structure is arranged at the joint of the end cover and the shell, so that most of the outside in the outside air is prevented from entering the inner part of the outer rotor motor by a sealing medium, when a small amount of salt mist or water enters the outer rotor motor, the salt mist or water is firstly blocked by the protective cover, then the salt mist or water is prevented from entering the inner part of the rotor through the gap between the protective cover and the bearing seat by the framework seal ring, and parts in the rotor are corroded, so that the sealing property of the outer rotor motor is greatly improved;
2. the outer abutting lip and the inner abutting lip abut against the side wall of the bearing seat, and high-pressure airflow is formed between the bearing seat and the outer abutting lip and between the bearing seat and the inner abutting lip when the rotor rotates rapidly, the outer abutting lip and the inner abutting lip are extruded by the high-pressure airflow, so that the outer abutting lip and the inner abutting lip deform in the direction away from the bearing seat, a gap is formed between the bearing seat and the outer abutting lip and between the bearing seat and the inner abutting lip, and a plurality of hair rods are arranged between the outer abutting lip and the inner abutting lip, so that the airflow is scattered in the direction of the airflow when entering the space between the outer abutting lip and the inner abutting lip through the outer abutting lip, and the force applied to the inner abutting lip by the airflow is effectively reduced, and the sealing effect between the inner abutting lip and the bearing seat when the rotor rotates rapidly is improved;
3. when the rotor is rotatory, the air current gets into in the clearance that dams between labyrinth seal circle and the annular labyrinth groove, guides the air current through the drainage groove on the annular gum cover, and the air current flows along with the lateral wall of annular gum cover, because the annular gum cover outwards turns over along the direction of keeping away from labyrinth seal circle and turns over, the thrust of air current makes the annular gum cover along the direction extrusion deformation of keeping away from labyrinth seal circle to improve the tight effect of supporting of annular gum cover to annular labyrinth groove lateral wall.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present application;
FIG. 2 is an exploded view of the structure of an embodiment of the present application;
FIG. 3 is a partial structural schematic diagram of an embodiment of the present application, which is mainly used for expressing the structural schematic diagram of a silicon steel ring;
FIG. 4 is a cross-sectional structural view of an embodiment of the present application;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is an enlarged view of a portion B in fig. 4;
FIG. 7 is a cross-sectional view of another embodiment of the present application;
fig. 8 is an enlarged view of a portion C in fig. 7.
Description of reference numerals: 1. an end cap; 11. a bearing seat; 111. a ball bearing; 12. a stator; 23. a silicon steel ring; 231. silicon steel sheets; 2. a rotor; 21. a housing; 211. a mounting ring; 22. a mandrel; 3. a labyrinth seal structure; 31. a labyrinth seal ring; 311. an annular mounting groove; 312. an annular rubber sleeve; 3121. a drainage groove; 32. an annular labyrinth groove; 4. a protective cover; 41. a skeleton sealing ring; 411. an elastic abutting portion; 4111. an outer abutment lip; 4112. an inner abutment lip; 4113. a feather rod; 4114. an annular tension spring; 42. a first fixing member; 43. a seal member; 5. a fixing assembly; 51. a fixing ring; 52. and a second fixing member.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a high-protection and high-corrosion-resistance outer rotor 2 motor. Referring to fig. 1 and 2, the labyrinth sealing structure comprises an end cover 1 and a rotor 2 rotatably arranged on the end cover 1, wherein a bearing seat 11 is fixedly arranged on the end cover 1, the rotor 2 comprises a shell 21 and a mandrel 22 fixedly arranged in the shell 21, the mandrel 22 is rotatably arranged in the bearing seat 11 in a penetrating manner, and a labyrinth sealing structure 3 is arranged at a joint of the shell 21 and the end cover 1.
Referring to fig. 2, a protective cover 4 is fixedly arranged in the housing 21, the protective cover 4 is an annular body, the protective cover 4 is adapted to the inner contour of the end cover 1, the protective cover 4 is rotatably sleeved on the bearing seat 11, a skeleton sealing ring 41 is coaxially and fixedly arranged on the protective cover 4, the skeleton sealing ring 41 is sleeved on the bearing seat 11, when a small amount of salt mist or water enters the outer rotor 2 motor, the salt mist or water is firstly blocked by the protective cover 4, and then the salt mist or water is prevented by the skeleton sealing ring 41 from entering the inner part of the rotor 2 through a gap between the protective cover 4 and the bearing seat 11, and corrosion is caused to parts inside the rotor 2, so that the sealing performance of the outer rotor 2 motor is greatly improved.
Referring to fig. 2, a first fixing member 42 for fixing the protective cover 4 is disposed on the casing 21, the first fixing member 42 includes a first bolt, a plurality of mounting holes for the first bolt to pass through are formed in the protective cover 4, a plurality of first threaded holes adapted to the first bolt are formed in the casing 21, and the positions of the mounting holes in the protective cover 4 correspond to the positions of the first threaded holes in the casing 21 in a one-to-one manner.
Referring to fig. 2, a sealing element 43 is arranged at a seam between the casing 21 and the protective cover 4, in this embodiment, the sealing element 43 includes a sealing rubber ring, the sealing rubber ring is bonded on the protective cover 4 and is coaxial with the protective cover 4, a cross section of the sealing rubber ring is circular, a mounting ring 211 is fixedly arranged on the casing 21, a diameter of an outer side wall of the mounting ring 211 is slightly larger than an inner diameter of the sealing rubber ring, the mounting ring 211 and the casing 21 are integrally formed, when the protective cover 4 is installed, the sealing rubber ring is sleeved on the mounting ring 211 of the casing 21, and the sealing rubber ring is squeezed and deformed and abuts against a side wall of the mounting ring 211, so that the seam between the protective cover 4 and the casing 21 is sealed, and the sealing performance between the protective cover 4 and the casing 21 is ensured.
In other embodiments of the present application, the seam between the housing 21 and the shield 4 may be sealed directly by filling the sealant.
Referring to fig. 2 and 3, the stator 12 is sleeved and fixed on the bearing seat 11, the silicon steel ring 23 is embedded in the side wall of the housing 21, a plurality of silicon steel sheets 231 are fixedly arranged on the inner side wall of the silicon steel ring 23, the silicon steel sheets 231 are distributed in parallel along the circumferential direction of the silicon steel ring 23, the silicon steel sheets 231 and the silicon steel ring 23 are integrally formed, and the silicon steel sheets 231 are located inside the housing 21.
Referring to fig. 4, two ball bearings 111 are fixedly disposed in the bearing housing 11, central axes of the two ball bearings 111 coincide with the central axis of the bearing housing 11, the mandrel 22 is inserted into inner rings of the two ball bearings 111, and the central axis of the mandrel 22 coincides with the central axes of the two ball bearings 111.
Referring to fig. 5, the labyrinth seal structure 3 is fixedly provided with a labyrinth seal ring 31 on the casing 21 and an annular labyrinth groove 32 formed on the end cover 1, the labyrinth seal ring 31 and the casing 21 are integrally formed, the central axis of the labyrinth seal ring 31 coincides with the central axis of the mandrel 22, the labyrinth seal ring 31 is rotatably arranged in the annular labyrinth groove 32, a cut-off gap is formed between the labyrinth seal ring 31 and the annular labyrinth groove 32, the labyrinth seal ring 31 or the end cover 1 is effectively prevented from being worn, and after a sealed medium enters the cut-off gap, a throttling effect is generated to achieve the purpose of leakage prevention.
Referring to fig. 5, an annular mounting groove 311 is provided along the circumference of labyrinth seal 31 at the end of labyrinth seal 31 far away from casing 21, an annular rubber sleeve 312 is provided in annular mounting groove 311, labyrinth seal 31 is provided with a fixing component 5 for fixing annular rubber sleeve 51, fixing component 5 includes fixing ring 51 and second fixing piece 52, fixing ring 51 is adapted to annular mounting groove 311, fixing ring 51 is used for compressing tightly the one end of annular rubber sleeve 312 in annular mounting groove 311, second fixing piece 52 includes the second bolt, fixing ring 51 is provided with a plurality of through holes for the second bolt to pass along the axial direction of fixing ring 51, the bottom wall of annular mounting groove 311 is provided with a plurality of second threaded holes adapted to the second bolt, the through hole position on fixing ring 51 corresponds to the position of the second threaded hole one to one.
Referring to fig. 5, the annular rubber sleeve 312 is turned outwards along a direction away from the labyrinth seal ring 31, that is, the diameter of the annular rubber sleeve 312 gradually increases along the direction away from the labyrinth seal ring 31, a plurality of drainage grooves 3121 are formed in the outer side wall of the annular rubber sleeve 312, the drainage grooves 3121 are distributed along the circumferential direction of the annular rubber sleeve 312, and the drainage grooves 3121 are used for guiding airflow to flow along the side wall of the annular rubber sleeve 312; rotor 2 is when rotatory, in the air current gets into the clearance of damming between labyrinth seal 31 and the annular labyrinth groove 32, guide the air current through drainage groove 3121 on the annular gum cover 312, the air current flows along with the lateral wall of annular gum cover 312, because the annular gum cover 312 outwards turns over along the direction of keeping away from labyrinth seal 31, the thrust of air current makes annular gum cover 312 along the direction extrusion deformation of keeping away from labyrinth seal 31, thereby improve the tight effect of support of annular gum cover 312 to annular labyrinth groove 32 lateral wall, after getting into the clearance of damming by sealing medium, carry out the separation through annular gum cover 312, further improve the leakproofness of casing 21 and end cover 1 seam crossing.
Referring to fig. 6, an elastic abutting portion 411 is arranged on the frame seal ring 41, in the embodiment of the present application, the elastic abutting portion 411 is made of a rubber material, an outer abutting lip 4111 and an inner abutting lip 4112 are arranged on the elastic abutting portion 411, the outer abutting lip 4111 is located on one side close to the end cover 1, the inner abutting lip 4112 is located on one side close to the inside of the housing 21, the outer abutting lip 4111 and the inner abutting lip 4112 are abutted against the side wall of the bearing seat 11, a plurality of bristle bars 4113 are arranged between the outer abutting lip 4111 and the inner abutting lip 4112, and the bristle bars 4113 are made of a plastic material.
Through outer butt lip 4111 and the lateral wall of interior butt lip 4112 butt bearing frame 11, because rotor 2 is when fast rotation, bearing frame 11 and outer butt lip 4111 and interior butt lip 4112 between can form high-pressure draught, high-pressure draught extrudes outer butt lip 4111 and interior butt lip 4112, make outer butt lip 4111 and interior butt lip 4112 to keeping away from bearing frame 11 direction deformation, thereby make bearing frame 11 and outer butt lip 4111 and interior butt lip 4112 between form the clearance, through set up a plurality of hair bars 4113 between outer butt lip 4111 and interior butt lip 4112, the air current is when getting into between outer butt lip 4111 and interior butt lip 4112 through outer butt lip 4111, break up the direction of air current through hair bar 4113, thereby effectively reduce the power that the air current used on interior butt lip 4112, thereby improve the leakproofness effect between interior butt lip 4112 and bearing frame 11 when fast rotation of rotor 2.
Referring to fig. 6, embedded annular groove has been seted up along skeleton seal 41's circumference in the inside of elasticity butt portion 411, be equipped with annular extension spring 4114 in the embedded buffering, outer butt lip 4111 and interior butt lip 4112 after wearing and tearing for a long time with bearing frame 11, take place the thermoplasticity easily, lead to outer butt lip 4111 and interior butt lip 4112 to reducing the tight effect of support of bearing frame 11, make outer butt lip 4111 and interior butt lip 4112 have the power to being close to bearing frame 11 direction extrusion deformation all the time through annular extension spring 4114, further improve bearing frame 11 and the sealed effect between outer butt lip 4111 and the interior butt lip 4112.
Referring to fig. 7 and 8, in another embodiment of the present application, the skeletal sealing ring 41 may be a rubber sealing ring having a "Y" shaped cross section, the elastic abutting portion 411 is disposed on the skeletal sealing ring 41 and is integrally formed with the skeletal sealing ring 41, and the elastic abutting portion 411 abuts against the side wall of the bearing seat 11.
The implementation principle of the high-protection and high-corrosion-resistance outer rotor 2 motor in the embodiment of the application is as follows: set up labyrinth seal structure 3 at the seam crossing of end cover 1 and casing 21, rotor 2 is when rotatory, the air current gets into in the shutoff clearance between labyrinth seal 31 and the annular labyrinth groove 32, guide the air current through drainage groove 3121 on the annular gum cover 312, the air current flows along with the lateral wall of annular gum cover 312, because the annular gum cover 312 turns over along the direction of keeping away from labyrinth seal 31 outwards, the thrust of air current makes annular gum cover 312 along the direction extrusion deformation of keeping away from labyrinth seal 31, thereby improve the tight effect of support of annular gum cover 312 to annular labyrinth groove 32 lateral wall, by sealing medium after getting into the shutoff clearance, carry out the separation through annular gum cover 312.
After a small amount of salt mist or water enters the outer rotor 2 motor, the salt mist or water is blocked by the protective cover 4, and then is prevented from entering the rotor 2 through the gap between the protective cover 4 and the bearing seat 11 by the elastic abutting part 411 on the framework sealing ring 41, so that the parts inside the rotor 2 are corroded, and the sealing performance of the outer rotor 2 motor is greatly improved.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a high protection, high anticorrosive outer rotor (2) motor, includes end cover (1) and rotates rotor (2) that set up on end cover (1), its characterized in that: the rotor (2) comprises a shell (21) and a mandrel (22) fixedly arranged in the shell (21), a bearing seat (11) is fixedly arranged on the end cover (1), the mandrel (22) is rotatably arranged in the bearing seat (11) in a penetrating manner, and a labyrinth seal structure (3) is arranged at a joint of the shell (21) and the end cover (1);
casing (21) internal fixation is provided with protection casing (4), protection casing (4) are the ring body, just protection casing (4) rotate the cover and establish on bearing frame (11), coaxial fixed skeleton sealing washer (41) that are provided with on protection casing (4), skeleton sealing washer (41) cover is established on bearing frame (11), be provided with elasticity butt portion (411) on skeleton sealing washer (41), elasticity butt portion (411) adopt the rubber material, just the lateral wall butt of elasticity butt portion (411) and bearing frame (11).
2. A high protection, high corrosion protection outer rotor (2) motor according to claim 1, characterized in that: the protection casing (4) can be dismantled and set up on casing (21), be provided with first mounting (42) that are used for fixed protection casing (4) on casing (21), casing (21) with seam department between protection casing (4) is provided with sealing member (43).
3. A high protection, high corrosion protection outer rotor (2) motor according to claim 2, characterized in that: sealing member (43) are including sealed rubber ring, the coaxial fixed setting of sealed rubber ring is on protection casing (4), fixed collar (211) that is provided with on casing (21), sealed rubber ring is used for the cover to establish on collar (211) and with the lateral wall butt of collar (211).
4. A high protection, high corrosion protection outer rotor (2) motor according to claim 1, characterized in that: be provided with outer butt lip (4111) and interior butt lip (4112) on elasticity butt portion (411), outer butt lip (4111) and interior butt lip (4112) all with the lateral wall butt of bearing frame (11), be provided with a plurality of hair poles (4113) between outer butt lip (4111) and interior butt lip (4112).
5. The high protection, high corrosion protection outer rotor (2) motor according to claim 4, characterized in that: the inside of elasticity butt portion (411) has seted up embedded annular along the circumference of skeleton sealing washer (41), be equipped with annular extension spring (4114) in the embedded buffering.
6. A high protection, high corrosion protection outer rotor (2) motor according to claim 1, characterized in that: labyrinth seal structure (3) are including fixed labyrinth seal circle (31) that sets up on casing (21) and set up annular labyrinth groove (32) on end cover (1), labyrinth seal circle (31) rotate to set up in annular labyrinth groove (32), be provided with the clearance that dams between labyrinth seal circle (31) and annular labyrinth groove (32), the coaxial fixed annular gum cover (312) that is provided with of one end that casing (21) were kept away from in labyrinth seal circle (31), just annular gum cover (312) and the lateral wall butt of annular seal groove.
7. The high protection, high corrosion protection outer rotor (2) motor according to claim 6, characterized in that: the annular rubber sleeve (312) is turned outwards along the direction of keeping away from labyrinth seal circle (31), seted up a plurality of drainage grooves (3121) on the lateral wall of annular rubber sleeve (312), it is a plurality of drainage grooves (3121) distribute along the circumference of annular rubber sleeve (312), drainage grooves (3121) are used for guiding the air current to flow along the lateral wall of annular rubber sleeve (312).
8. The high protection, high corrosion protection outer rotor (2) motor according to claim 6, characterized in that: the annular rubber sleeve (312) is detachably arranged on the labyrinth sealing ring (31), and a fixing component (5) used for fixing the annular rubber sleeve (312) in a fixed mode is arranged on the labyrinth sealing ring (31).
9. The high protection, high corrosion protection outer rotor (2) motor according to claim 8, characterized in that: fixed subassembly (5) are including solid fixed ring (51) and second mounting (52), annular mounting groove (311) have been seted up along the circumference of labyrinth seal circle (31) on labyrinth seal circle (31), gu fixed ring (51) are used for compressing tightly the one end of annular gum cover (312) in annular mounting groove (311), second mounting (52) are used for fixing solid fixed ring (51) in annular mounting groove (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211583825.1A CN115714496A (en) | 2022-12-10 | 2022-12-10 | High-protection and high-corrosion-resistance outer rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211583825.1A CN115714496A (en) | 2022-12-10 | 2022-12-10 | High-protection and high-corrosion-resistance outer rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115714496A true CN115714496A (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211583825.1A Pending CN115714496A (en) | 2022-12-10 | 2022-12-10 | High-protection and high-corrosion-resistance outer rotor motor |
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| Country | Link |
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| CN (1) | CN115714496A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977864A (en) * | 2024-04-02 | 2024-05-03 | 久崎电机(常州)有限公司 | Motor with good overall sealing performance |
-
2022
- 2022-12-10 CN CN202211583825.1A patent/CN115714496A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977864A (en) * | 2024-04-02 | 2024-05-03 | 久崎电机(常州)有限公司 | Motor with good overall sealing performance |
| CN117977864B (en) * | 2024-04-02 | 2024-06-04 | 久崎电机(常州)有限公司 | Motor with good overall sealing performance |
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