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CN112727798A - Sealing bearing applied to fan and motor - Google Patents

Sealing bearing applied to fan and motor Download PDF

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Publication number
CN112727798A
CN112727798A CN202110048868.9A CN202110048868A CN112727798A CN 112727798 A CN112727798 A CN 112727798A CN 202110048868 A CN202110048868 A CN 202110048868A CN 112727798 A CN112727798 A CN 112727798A
Authority
CN
China
Prior art keywords
bearing
positioning
fan
sealing
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110048868.9A
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Chinese (zh)
Other versions
CN112727798B (en
Inventor
张建利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jiaen Plastic Electromechanical Technology Co ltd
Original Assignee
Dongguan Jiaen Plastic Electromechanical Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Jiaen Plastic Electromechanical Technology Co ltd filed Critical Dongguan Jiaen Plastic Electromechanical Technology Co ltd
Priority to CN202110048868.9A priority Critical patent/CN112727798B/en
Publication of CN112727798A publication Critical patent/CN112727798A/en
Application granted granted Critical
Publication of CN112727798B publication Critical patent/CN112727798B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/0563—Bearings cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/10—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/46—Fans, e.g. ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a sealing bearing applied to a fan and a motor, and relates to the field of mechanical sealing. The sealing cover and the positioning piece of the sealing bearing are arranged in a sealing manner with the bearing body, the sealing performance is good, the bearing body, the sealing cover and the positioning piece form a shaft hole, a fan shaft core, a motor rotating shaft, a fan rotating shaft or a motor rotating shaft can be assembled in the shaft hole, the fan shaft core or the rotating shaft can rotate more smoothly due to the fact that an oil layer is arranged in the shaft hole, the oil layer in the shaft hole can be effectively prevented from splashing outside the bearing due to the sealing arrangement of the shaft hole, the service lives of the fan, the motor, the fan and the motor can be prolonged, and the noise generated when the fan, the motor, the.

Description

Sealing bearing applied to fan and motor
Technical Field
The invention relates to the field of mechanical bearing sealing, in particular to a sealing bearing applied to a fan, a fan and a motor.
Background
The bearing is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Generally, the outer wall of the bearing is in interference fit with the bearing seat and is in close contact with the rotating shaft. The bearing is used for supporting the smooth shaft core, the motor rotating shaft and the fan rotating shaft. The bearing is a part for fixing and reducing the load friction coefficient in the mechanical transmission process, and has smaller friction coefficient than a rolling bearing, smoother work and quieter and noiseless.
Current fan axle core is on the direct mount stator, or be connected with the driving medium, the rotation of axle core is not steady enough, in order to make the rotation of fan axle core more smooth and easy, can scribble lubricating oil in the bearing, however, under the high-speed rotation of fan axle core, lubricating oil on the axle core can splash everywhere in stator or bearing mount pad outside, influence the fan motor, the life of motor, can glue on the stator because of the lubricating oil that splashes, the axle core lacks the lubrication, when the axle core drives the flabellum rotation, can send the abnormal sound, lead to producing the noise, greatly reduced the fan motor, the life of motor. After the existing fan shaft core and the bearing are installed, external dust easily enters the bearing, so that the friction coefficient of the fan shaft core and the bearing installation seat is large, the service life of the fan is influenced, and abnormal sound can be generated when the fan works.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a sealing bearing applied to a fan, which has the beneficial effects of prolonging the service life of the fan, reducing the noise when the fan operates, prolonging the service life of a motor and reducing the noise when the motor operates, so as to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme:
a sealed bearing applied to a fan is disclosed, the sealed bearing is arranged on the fan, the fan comprises a fan frame, a bearing mounting seat, fan blades and a fan shaft core, the fan shaft core is arranged and integrated with the fan blades, the bearing mounting seat is hollow, the bottom of the bearing mounting seat is sealed with the fan frame, a bearing mounting groove is arranged in the middle of the bearing mounting seat, and the sealed bearing is arranged in the bearing mounting groove; sealed bearing includes the bearing body, the sealing member, setting element and snap ring, the snap ring is connected in bearing body one end, the bearing body is the cavity form, fan axle core one end is passed the bearing body and is connected with the snap ring of bearing body one end, the sealing member is sealed lid or sealing washer, sealed lid and setting element are connected in this internally in the bearing in proper order, sealed lid and setting element all set up with the bearing body is sealed, the bearing body, sealed lid and setting element form the shaft hole, the shaft hole inside wall is equipped with the second oil reservoir, fan axle core is installed in the shaft hole, and the outer wall of fan axle core and the inboard seal lip in close contact with of seal lid, sealed bearing installs in the bearing mounting groove, and the outer wall of bearing body and the inner wall contact of bearing installation seat, fan axle core, sealed bearing and bearing installation seat form.
A sealed bearing applied to a motor is disclosed, the sealed bearing is installed on the motor, the motor comprises a motor body, a rotating shaft, a motor stator seat and a motor rotor, the motor rotor is connected on the motor stator seat, the rotating shaft is connected with the motor rotor, the motor stator seat is arranged in the motor body, the sealed bearing comprises a bearing body, a sealing cover, a positioning piece and a clamping ring, the bearing body is hollow, the clamping ring is arranged at one end of the bearing body, one end of the rotating shaft penetrates through the bearing body and is connected with the clamping ring at one end of the bearing body, the sealing cover and the positioning piece are sequentially connected in the bearing body, the sealing cover and the positioning piece are both arranged in a sealing way with the bearing body, the sealing cover and the positioning piece, and the outer wall of the rotating shaft is in close contact with the sealing lip on the inner side of the sealing cover, and the sealing bearing and the rotating shaft form a sealed environment.
As a further scheme of the invention: the bearing body bottom is equipped with the oil drain port, and oil drain port one end is connected with the oil extraction groove, and oil extraction groove one end and oil drain port switch-on, the other end upwards extend, and the top is connected with the oil gallery, and oil drain port, oil extraction groove and oil gallery connect gradually to form the oil extraction passageway.
As a further scheme of the invention: the bearing body middle part is equipped with the logical groove that runs through, leads to the groove and is the echelonment, and is divided into first mounting hole and bearing centre bore, and the junction of first mounting hole and bearing centre bore forms the mount table, and the setting element is located on the mount table, and the bottom contacts with the mount table, and the bearing body inboard is equipped with the constant head tank.
As a further scheme of the invention: the setting element is cavity form, and the middle part is equipped with the locating hole, and the setting element includes position sleeve and location platform, position sleeve and location platform integrated into one piece, location platform lateral wall and bearing body inside wall in close contact with or integrative the shaping, the bottom offsets with the mount table and leans on, position sleeve one end is connected with the location platform, the other end is located in the first mounting hole, the external diameter of position platform is greater than the external diameter of position sleeve, and the junction formation card platform of position platform and position sleeve, sealed lid is located and is blocked the bench.
As a further scheme of the invention: the sealing cover is hollow, the sealing cover comprises a sealing cover body and a sealing lip, the sealing cover body and the sealing lip are integrally formed, the bottom of the sealing lip is abutted against the sealing cover body, the inner side wall is abutted against the outer side wall of the positioning sleeve, the outer side wall is abutted against the positioning groove of the bearing body, the outer side wall of the sealing cover body is abutted against the positioning groove of the bearing body, the top of the sealing cover body is flush or recessed with the bearing body, and a lip hole is formed in the middle of the sealing cover.
As a further scheme of the invention: the lip hole, the positioning hole and the bearing center hole are sequentially arranged from top to bottom, the diameters of the lip hole, the positioning hole and the bearing center hole are the same, the centers of the lip hole, the positioning hole and the bearing center hole are on the same straight line, and the shaft holes are formed in the lip hole, the positioning hole and the bearing center hole.
As a further scheme of the invention: the bearing body and the positioning piece are made of wear-resistant metal.
As a further scheme of the invention: the sealing cover is made of wear-resistant colloid.
Compared with the prior art, the invention has the beneficial effects that:
when the fan shaft core is applied to the fan, a sealed environment is formed by the fan shaft core, the sealing bearing and the bearing mounting seat, so that oil can be effectively prevented from splashing outside the bearing when the fan shaft core rotates, external dust can be effectively prevented from entering the bearing, the fan shaft core rotates more smoothly, the service life of the fan is prolonged, and the noise generated when the fan operates is reduced; when the motor is applied to the motor, the sealed bearing and the rotating shaft form a sealed environment, so that oil can be effectively prevented from splashing outside the bearing when the rotating shaft rotates, external dust can be effectively prevented from entering the bearing, the rotating shaft rotates more smoothly, the service life of the motor is prolonged, and the noise of the motor during operation is reduced.
Drawings
Fig. 1 is a schematic structural view of the bearing of the invention.
Fig. 2 is a side view of the inventive bearing.
Fig. 3 is a cross-sectional view taken along line C-C of fig. 2.
FIG. 4 is a schematic structural view of the bearing of the present invention applied to a fan.
Fig. 5 is a cross-sectional view taken along line D-D of fig. 4.
Fig. 6 is a cross-sectional view taken along line E-E of fig. 4.
Fig. 7 is a schematic structural view of the bearing of the present invention applied to a motor.
Fig. 8 is a cross-sectional view taken along M-M in fig. 7.
Fig. 9 is a schematic structural diagram of a sealing member of the sealed bearing of the present invention being a sealing ring.
The labels in the figure are:
1. a bearing body; 2. a positioning member; 3. a sealing cover; 3a, a sealing ring; 4. a shaft hole; 7. an oil discharge port; 8. an oil drain tank; 9. an oil return hole; 10. a snap ring;
11. a bearing center hole; 12. an installation table;
21. positioning holes; 22. a positioning sleeve; 23. a positioning table;
31. a sealing cover body; 32. a sealing lip; 33. a lip hole;
5. a fan;
51. a fan frame; 52. a bearing mount; 54. a fan shaft core; 55. a fan blade.
6. A motor;
61. a motor body; 62. a rotating shaft; 63. bearing positioning seat.
Detailed Description
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 any inventive step based on the embodiments of the invention, are within the scope of the invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a sealing bearing applied to a fan 5 is installed on the fan 5, the fan 5 includes a fan frame 51, a bearing installation seat 52, a fan blade 55 and a fan shaft core 54, the fan shaft core 54 is installed to be integrated with the fan blade 55, the bearing installation seat 52 is hollow, the bottom of the bearing installation seat is sealed with the fan frame 51, a bearing installation groove is formed in the middle of the bearing installation seat 52, and the sealing bearing is installed in the bearing installation groove; the sealing bearing comprises a bearing body 1, a sealing cover 3, a positioning piece 2 and a clamping ring 10, wherein the clamping ring 10 is fixedly connected to one end of the bearing body 1, the bearing body 1 is hollow, and one end of a fan shaft core 54 penetrates through the bearing body 1 and is clamped with the clamping ring 10 at one end of the bearing body 1; the sealing element is a sealing cover 3 or a sealing ring 3a, the sealing cover 3 and the positioning element 2 are sequentially connected into the bearing body 1, the sealing cover 3 and the positioning element 2 are hermetically arranged with the bearing body 1, the sealing cover 3 and the positioning element 2 form a shaft hole 4, a second oil layer is arranged on the inner side wall of the shaft hole 4, the fan shaft core 54 is arranged in the shaft hole 4, the outer wall of the fan shaft core 54 is tightly contacted with the sealing lip 32 on the inner side of the sealing cover 3, the sealing bearing is arranged in the bearing installation groove, the outer wall of the bearing body 1 is tightly contacted with the inner wall of the bearing installation seat 52 or tightly interfered, and the fan shaft core 54, the sealing bearing and the bearing installation seat 52 form a; referring to fig. 9, the sealing element of the sealed bearing of the present invention may also be a sealing ring 3a, and the fan shaft core 54 is installed in the sealing ring 3 a; the bearing body 1 and the positioning piece 2 are made of wear-resistant metal, such as iron, copper or steel, and the sealing cover 3 is made of wear-resistant colloid, such as wear-resistant rubber, plastic or silica gel. When the invention is applied to the fan 5, the fan shaft core 54, the sealing bearing and the bearing mounting seat 52 form a sealed environment, which not only can effectively prevent oil from splashing outside the bearing when the fan shaft core 54 rotates, but also can effectively prevent external dust from entering the bearing, the fan shaft core 54 rotates more smoothly, the service life of the fan 5 is prolonged, and the noise when the fan 5 operates is reduced.
Referring to fig. 7 to 8, a sealed bearing applied to a motor 6 is disclosed, the sealed bearing is mounted on the motor 6, the motor 6 includes a motor body 61, a rotating shaft 62, a motor stator seat and a motor rotor, the motor rotor is fixedly connected to the motor stator seat, the rotating shaft 62 is connected to the motor rotor, and the motor stator seat is fixedly disposed in the motor body 61; sealed axle sleeve installs on motor 6's bearing positioning seat 63, sealed bearing includes bearing body 1, sealed lid 3, setting element 2 and snap ring 10, bearing body 1 is the cavity form, 1 one end of bearing body is located to snap ring 10, bearing body 1 is passed and the snap ring 10 fixed connection with 1 one end of bearing body to pivot 62 one end, sealed lid 3 and setting element 2 connect gradually in bearing body 1, sealed lid 3 and setting element 2 all seal up the setting with bearing body 1, sealed lid 3 and setting element 2 form shaft hole 4, the shaft hole 4 inside wall is equipped with the second oil reservoir, pivot 62 is installed in shaft hole 4, and the outer wall of pivot 62 and the inboard sealed lip 32 in close contact with of sealed lid 3, sealed bearing, pivot 62 forms a sealed environment. When the invention is applied to the motor 6, the sealed bearing and the rotating shaft 62 form a sealed environment, which not only can effectively prevent oil from splashing outside the bearing when the rotating shaft 62 rotates, but also can effectively prevent external dust from entering the bearing, so that the rotating shaft 62 rotates more smoothly, the service life of the motor 6 is prolonged, and the noise of the motor 6 during operation is reduced.
In a preferred embodiment of the invention, an oil discharge port 7 is arranged at the bottom of the bearing body, an oil discharge groove 8 is connected to one end of the oil discharge port 7, one end of the oil discharge groove 8 is communicated with the oil discharge port 7, the other end of the oil discharge groove 8 extends upwards, an oil return hole 9 is connected to the top of the oil discharge groove, and the oil discharge port 7, the oil discharge groove 8 and the oil return hole 9 are sequentially connected to form an oil discharge channel. Because the second oil layer is arranged in the shaft hole 4, when the fan shaft core 54 or the rotating shaft 62 is arranged in the shaft hole 4 of the sealing bearing and then the sealing bearing is arranged in the bearing mounting seat 52, the oil layer is discharged from the oil discharge channel and flows back to the sealing bearing from the oil discharge channel, so that the resistance of the sealing bearing when the sealing bearing is arranged in the bearing mounting seat 52 is reduced, and the normal work of the sealing shaft sleeve is ensured.
In a preferred embodiment of the invention, a through groove is arranged in the middle of the bearing body 1, the through groove is in a step shape and is divided into a first mounting hole and a bearing center hole 11, a mounting table 12 is formed at the joint of the first mounting hole and the bearing center hole 11, the positioning piece 2 is arranged on the mounting table 12, the bottom of the positioning piece is in contact with the mounting table 12, and a positioning groove is arranged on the inner side of the bearing body 1.
In a preferred embodiment of the present invention, the positioning member 2 is hollow, the middle portion of the positioning member is provided with a positioning hole 21, the positioning member 2 comprises a positioning sleeve 22 and a positioning table 23, the positioning sleeve 22 and the positioning table 23 are integrally formed, the outer side wall of the positioning table 23 is tightly contacted with or integrally formed with the inner side wall of the bearing body 1, the bottom of the positioning table is abutted against the mounting table 12, one end of the positioning sleeve 22 is fixedly connected with the positioning table 23, the other end of the positioning sleeve 22 is arranged in the first mounting hole, the outer diameter of the positioning table 23 is larger than the outer diameter of the positioning sleeve 22, a clamping table is formed at the connection position of the positioning table 23 and the.
In a preferred embodiment of the present invention, the sealing cover 3 is hollow, the sealing cover 3 includes a sealing cover body 31 and a sealing lip 32, the sealing cover body 31 and the sealing lip 32 are integrally formed, the bottom of the sealing lip 32 abuts against the sealing cover body 31, the inner sidewall abuts against the outer sidewall of the positioning sleeve 22, the outer sidewall abuts against the positioning groove of the bearing body 1, the outer sidewall of the sealing cover body 31 abuts against the positioning groove of the bearing body 1, the top of the sealing cover body 31 is flush with or recessed from the bearing body 1, and a lip hole 33 is formed in the middle of the sealing cover body 31. Furthermore, the lip hole 33, the positioning hole 21 and the bearing center hole 11 are sequentially arranged from top to bottom, the diameters of the lip hole 33, the positioning hole 21 and the bearing center hole 11 are the same, the centers of the lip hole 33, the positioning hole 21 and the bearing center hole 11 are on the same straight line, and the shaft hole 4 is formed by the lip hole 33, the positioning hole 21 and the bearing center hole 11.
When the invention is applied to the fan 5, the fan shaft core 54, the sealed bearing and the bearing mounting seat 52 form a sealed environment, which can not only effectively prevent oil from splashing outside the bearing when the fan shaft core 54 rotates, but also effectively prevent external dust from entering the bearing, the fan shaft core 54 rotates more smoothly, the service life of the fan 5 is prolonged, and the noise when the fan 5 operates is reduced; when the invention is applied to the motor 6, the sealed bearing and the rotating shaft 62 form a sealed environment, which not only can effectively prevent oil from splashing outside the bearing when the rotating shaft 62 rotates, but also can effectively prevent external dust from entering the bearing, so that the rotating shaft 62 rotates more smoothly, the service life of the motor 6 is prolonged, and the noise of the motor 6 during operation is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims (9)

1. A sealed bearing applied to a fan is characterized in that the sealed bearing is installed on the fan, the fan comprises a fan frame, a bearing installation seat, fan blades and a fan shaft core, the fan shaft core is installed and integrally formed with the fan blades, the bearing installation seat is hollow, the bottom of the bearing installation seat is sealed with the fan frame, a bearing installation groove is formed in the middle of the bearing installation seat, and the sealed bearing is installed in the bearing installation groove; the sealing bearing comprises a bearing body, a sealing element, a positioning element and a clamping ring, wherein the clamping ring is connected to one end of the bearing body, the bearing body is hollow, one end of a fan shaft core penetrates through the bearing body and is connected with the clamping ring at one end of the bearing body, the sealing element is a sealing cover or a sealing ring, the sealing cover and the positioning element are sequentially connected into the bearing body, the sealing cover and the positioning element are hermetically arranged with the bearing body, the sealing cover and the positioning element form a shaft hole, a second oil layer is arranged on the inner side wall of the shaft hole, the fan shaft core is installed in the shaft hole, the outer wall of the fan shaft core is in close contact with a sealing lip on the inner side of the sealing cover, the sealing bearing is installed in the bearing installation groove, the outer wall of the bearing body is in sealed, The sealed bearing and the bearing mount form a sealed environment.
2. A sealed bearing applied to a motor is characterized in that the sealed bearing is installed on the motor, the motor comprises a motor body, a rotating shaft, a motor stator seat and a motor rotor, the motor rotor is connected to the motor stator seat, the rotating shaft is connected with the motor rotor, the motor stator seat is arranged in the motor body, the sealed bearing comprises a bearing body, a sealing cover, a positioning piece and a clamping ring, the bearing body is hollow, the clamping ring is arranged at one end of the bearing body, one end of the rotating shaft penetrates through the bearing body and is connected with the clamping ring at one end of the bearing body, the sealing cover and the positioning piece are sequentially connected in the bearing body, the sealing cover and the positioning piece are both arranged in a sealing way with the bearing body, the sealing cover and the positioning piece form a shaft hole, and the inner side wall is provided with a second oil, the rotating shaft is arranged in the shaft hole, the outer wall of the rotating shaft is in close contact with the sealing lip on the inner side of the sealing cover, and the sealing bearing and the rotating shaft form a sealed environment.
3. The sealed bearing for the fan as claimed in claim 1, wherein the bearing body has an oil drain port at the bottom, an oil drain groove is connected to one end of the oil drain port, one end of the oil drain groove is connected to the oil drain port, the other end of the oil drain groove extends upward, and an oil return hole is connected to the top of the oil drain port, the oil drain groove and the oil return hole are connected in sequence and form an oil drain passage.
4. The sealed bearing applied to the fan as claimed in claim 1, wherein a through groove is formed in the middle of the bearing body, the through groove is stepped and is divided into a first mounting hole and a bearing center hole, a mounting table is formed at the joint of the first mounting hole and the bearing center hole, the positioning element is arranged on the mounting table, the bottom of the positioning element is in contact with the mounting table, and a positioning groove is formed in the inner side of the bearing body.
5. The sealed bearing of claim 4, wherein the positioning member is hollow, and has a positioning hole in the middle, the positioning member includes a positioning sleeve and a positioning table, the positioning sleeve and the positioning table are integrally formed, the outer side wall of the positioning table is in close contact with or integrally formed with the inner side wall of the bearing body, the bottom of the positioning table abuts against the mounting table, one end of the positioning sleeve is connected with the positioning table, the other end of the positioning sleeve is disposed in the first mounting hole, the outer diameter of the positioning table is greater than the outer diameter of the positioning sleeve, a clamping table is formed at the joint of the positioning table and the positioning sleeve, and the sealing cover is disposed on the clamping table.
6. The sealed bearing applied to the fan as claimed in claim 5, wherein the sealing cover is hollow, the sealing cover comprises a sealing cover body and a sealing lip, the sealing cover body and the sealing lip are integrally formed, the bottom of the sealing lip abuts against the sealing cover body, the inner side wall abuts against the outer side wall of the positioning sleeve, the outer side wall abuts against the positioning groove of the bearing body, the outer side wall of the sealing cover body abuts against the positioning groove of the bearing body, the top of the sealing cover body is flush with or recessed from the bearing body, and a lip hole is formed in the middle of the sealing cover body.
7. The sealed bearing of claim 6, wherein the lip hole, the positioning hole, and the bearing center hole are sequentially formed from top to bottom, the lip hole, the positioning hole, and the bearing center hole have the same diameter and are centered on the same straight line, and the lip hole, the positioning hole, and the bearing center hole form the shaft hole.
8. The sealed bearing applied to the fan as claimed in claim 1, wherein the bearing body and the positioning member are made of wear-resistant metal.
9. The sealed bearing for fan as claimed in claim 1, wherein the sealing cover is made of wear-resistant rubber.
CN202110048868.9A 2021-01-14 2021-01-14 Sealing bearing applied to fan and motor Active CN112727798B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110048868.9A CN112727798B (en) 2021-01-14 2021-01-14 Sealing bearing applied to fan and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110048868.9A CN112727798B (en) 2021-01-14 2021-01-14 Sealing bearing applied to fan and motor

Publications (2)

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CN112727798A true CN112727798A (en) 2021-04-30
CN112727798B CN112727798B (en) 2023-06-13

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002165407A (en) * 2000-11-20 2002-06-07 Nippon Densan Corp Motor
JP2002310141A (en) * 2001-04-11 2002-10-23 Yen Sun Technology Corp Bearing device
US20060255674A1 (en) * 2005-05-13 2006-11-16 Delta Electronics, Inc. Fan motor and oil-leak proof bearing system thereof
CN201916361U (en) * 2011-01-06 2011-08-03 鑫贺精密电子(东莞)有限公司 oil bearing
CN206299680U (en) * 2016-12-23 2017-07-04 嘉善百润机械配件有限公司 Bearing assembly
CN107588036A (en) * 2017-09-28 2018-01-16 东莞艾康实业有限公司 A fan oil seal bearing
CN209569267U (en) * 2018-12-28 2019-11-01 平和龙粉末冶金（珠海）有限公司 Radiating fan for computer bearing
CN110425165A (en) * 2019-08-05 2019-11-08 江门市达百科机电设备有限公司 A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002165407A (en) * 2000-11-20 2002-06-07 Nippon Densan Corp Motor
JP2002310141A (en) * 2001-04-11 2002-10-23 Yen Sun Technology Corp Bearing device
US20060255674A1 (en) * 2005-05-13 2006-11-16 Delta Electronics, Inc. Fan motor and oil-leak proof bearing system thereof
CN201916361U (en) * 2011-01-06 2011-08-03 鑫贺精密电子(东莞)有限公司 oil bearing
CN206299680U (en) * 2016-12-23 2017-07-04 嘉善百润机械配件有限公司 Bearing assembly
CN107588036A (en) * 2017-09-28 2018-01-16 东莞艾康实业有限公司 A fan oil seal bearing
CN209569267U (en) * 2018-12-28 2019-11-01 平和龙粉末冶金（珠海）有限公司 Radiating fan for computer bearing
CN110425165A (en) * 2019-08-05 2019-11-08 江门市达百科机电设备有限公司 A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking

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