CN110425165A - A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking - Google Patents
A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking Download PDFInfo
- Publication number
- CN110425165A CN110425165A CN201910716412.8A CN201910716412A CN110425165A CN 110425165 A CN110425165 A CN 110425165A CN 201910716412 A CN201910716412 A CN 201910716412A CN 110425165 A CN110425165 A CN 110425165A
- Authority
- CN
- China
- Prior art keywords
- oil
- shaft
- lubricating oil
- bearing
- oiliness bearing
- 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
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 90
- 239000003921 oil Substances 0.000 claims abstract description 138
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 238000003809 water extraction Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000005871 repellent Substances 0.000 description 4
- 238000009414 blockwork Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/06—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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses the mute type radiator fan motor structures that one kind can prevent lubricating oil from leaking, including oiliness bearing, outline border and shaft, the outline border is internally provided with shaft, position of the outline border close to middle part is arranged in shaft, oiliness bearing is provided on the outside of shaft, middle pipe is provided on the outside of oiliness bearing, the bottom of oiliness bearing is provided with retaining ring, oil storage space is provided on the middle pipe of retaining ring bottom, radiator fan motor structure of the invention and oiliness bearing, the lubricating oil filled in bearing arrangement can be made to recycle inside bearing arrangement, it will not escape from outside bearing arrangement；There is sufficient lubricating oil to form oil film between cooling fan rotor operation process middle (center) bearing inner hole inner wall and axle center, and oil film pressure is enough that rotor is supported not tilt when operating, axle center is not contacted with bearing hole inner wall；Overturning causes any angle not have axle center and bearing touch friction abnormal sound, and radiator fan longer life expectancy in cooling fan rotor operation process.
Description
Technical field
The present invention relates to fan motor structure apparatus field, specially a kind of mute type heat dissipation that can prevent lubricating oil from leaking
Fan motor structure.
Background technique
The Chinese patent of Publication No. CN202851447U, discloses a kind of fan motor structure, including fan frame, rotor,
At least a magnetic part and stator, the fan frame have an axle bed and one be installed with axle bed accommodating space, the rotor be equipped with a wheel hub and
Multiple rings set the blade of hub periphery side, which is set on the blade, the stator be arranged on the inside of fan frame with it is described
Between blade；The design of stator and magnetic part through the invention, so as to achieving the effect that promote air quantity and reduce work hours.The patent
Compared with the present invention, there are switching process axis when rotor operating and bearing can making contact generation friction sound and radiation air
It is short to fan oiliness bearing lifetime of system, influences the problem of installing radiator fan equipment runnability and service life.
Traditional heat-dissipating fan motor structure and oiliness bearing system, switching process axis can be touched with bearing when rotor operates
It hits contact and generates friction sound；And the lubricating oil in rotor operation process in oiliness bearing system can be along axle center surface from oil-containing
Bearing inner flows back into outside, and nationality is thrown out by the centrifugal force that rotor operating generates, until the profit filled in oiliness bearing system
Lubricating oil is largely or entirely fled, and leads to that effective oil film can not be formed between bearing and axle center, and oil film pressure is insufficient, axle center and axis
It holds inner hole wall contact and rubs mutual wear-out failure between the two until radiating fan clamp stubbornly refuses to turn；The radiator fan oiliness bearing system longevity
It orders short, influences that radiator fan equipment runnability and service life are installed.
Summary of the invention
The purpose of the present invention is to provide the mute type radiator fan motor structures that one kind can prevent lubricating oil from leaking, with solution
Certainly traditional heat-dissipating fan motor structure and oiliness bearing system, switching process axis and bearing can making contacts when rotor operates
Generate friction sound；And the lubricating oil in rotor operation process in oiliness bearing system can be along axle center surface out of oiliness bearing
Portion flows back into outside, and nationality is thrown out by the centrifugal force that rotor operating generates, until the lubricating oil filled in oiliness bearing system is big
Partly or entirely flight, leads to that effective oil film can not be formed between bearing and axle center, and oil film pressure is insufficient, axle center and brearing bore
Wall contact rubs mutual wear-out failure between the two until radiating fan clamp stubbornly refuses to turn；Radiator fan oiliness bearing lifetime of system is short,
The problem of influencing installation radiator fan equipment runnability and service life.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking, including oiliness bearing, outline border and shaft,
The outline border is internally provided with shaft, and shaft is arranged in position of the outline border close to middle part, oil-containing axis is provided on the outside of shaft
It holds, middle pipe is provided on the outside of oiliness bearing, the bottom of oiliness bearing is provided with retaining ring, is provided with storage on the middle pipe of retaining ring bottom
Oily space is provided between the oiliness bearing and middle pipe above retaining ring and escapes headroom, is provided between the bottom end of shaft and middle pipe
The inside of oil storage space is arranged in wear plate, wear plate, oil seal ring is provided at the top of oiliness bearing, and oil seal ring is socketed in and turns
On axis；Oil-break slot is offered in the shaft of the inside of the oil seal ring, and oil sealing is provided at the top of oil-break slot, is set at the top of oil sealing
It is equipped with boss, copper sheathing is provided with above boss, motor shell is provided on the outside of copper sheathing, copper sheathing is fixed on motor shell,
Several flabellums are provided on the lateral wall of motor shell, the inside of motor shell is arranged in middle pipe, and motor shell is internally provided with tape,
Stator silicon steel plate is provided on the inside of tape, stator silicon steel plate is arranged on the lateral wall of middle pipe, is provided on stator silicon steel plate
It is covered on stator insulation.
As a further solution of the present invention: the motor shell is fixed at the position inside outline border close to middle part, and
Motor shell is concentric with shaft, and the oil seal ring centre bore and shaft pass-through zone surface are coated with water extraction oil extracticn agent, works as lubrication
Oil stream is difficult to because of own tension effect from envelope to the region by oil droplet formed here, lubricating oil oil droplet is constantly assembled after thrust
Oil ring centre bore flows out outward in the gap of axle center pass-through zone.
As a further solution of the present invention: the inner wall of the middle pipe is divided into two kinds of structure types, pipe in one of which
If being provided with main pipe rib on inner wall, for the inner wall of pipe without pipe rib, two kinds of structure types can make the outer of oiliness bearing in another kind
It is round to form asphalt channel with middle inside pipe wall, convenient for circulation inside oil liquid.
As a further solution of the present invention: set is divided into three kinds of structure types, one of structure on the stator insulation
Form is that the top covered on stator insulation is vertical structure, and another structure type is that the top covered on stator insulation is provided with cross
Block, finally a kind of structure type is that the top covered on stator insulation is provided with bending block, the knot covered on above several stator insulations
Configuration formula can adapt to the oil sealing of different structure form, realize the block work to oil liquid.
As a further solution of the present invention: the bottom covered on the stator insulation is provided with circuit board, and circuit board is
PCBA is made, and connecting plate is provided at the top of circuit board, and circuit board is fixed by covering on connecting plate and stator insulation, avoids circuit
Plate moves.
As a further solution of the present invention: fixed plate is arranged in the bottom end of the outline border, is provided with through-hole in fixed plate, outside
It is provided with bottom plate below frame, and also offers through-hole on the side wall of the bottom plate of outline border corresponding position, it can be by bottom plate and outline border
It is bolted to connection, flabellum is avoided to hurt sb.'s feelings.
The working method of the radiator fan motor structure specifically includes the following steps:
Step 1: in the lubricating oil of oiliness bearing inner hole injection, fan shaft is inserted into oiliness bearing system axle bearing bore, is turned
To wear plate, this is escaped from containing air extra in bearing along oiliness bearing side in the process on the spherical surface top of axis bottom end；
Step 2: in fan energization shaft operation process, lubricating oil climbs upwards along shaft surface and causes oil seal ring center
Hole and shaft pass-through zone, due to the area, piece surface is coated with water extraction oil extracticn agent and forms nanometer layer, when lubricating oil flows to the area
Domain is difficult to because of own tension effect from oil seal ring centre bore by oil droplet formed here, lubricating oil oil droplet is constantly assembled after thrust
It is flowed out outward in the gap of axle center pass-through zone；And to the small oiliness bearing plane upper end oil-break slot of thrust and oil sealing plane of a loop
The channel that the channel flowing that fitting is formed causes oiliness bearing outer circle and middle inside pipe wall to be formed, then flow and cause oiliness bearing plane lower end
Oil groove is bonded the channel to be formed with middle pipe supporting plane, in final runner in bottom of the tube oil storage space；
Step 3: during lubricating oil circulates inside oiliness bearing, have a little lubricating oil escape from oil seal ring centre bore with
Shaft pass-through zone, which continues to climb up, to be caused at oil-break slot, since oil-break groove shape and water extraction oil extracticn agent form second thrust, is compeled
Make lubricating oil toward reflux, prevent to climb up, continue to climb up even if crossing oil-break slot there are also a small amount of lubricating oil, is coated with water-repellent oil-repellent
The oil sealing of agent or the boss of fixed rotating shaft and axle center, which form vertical angle, can also form third road thrust, prevent lubricating oil from continuing past
Outer flowing, the two or three forms lubricating oil thrust region；
Step 4: escape gas gap and path, it is ensured that because fan energization rotor continuous running shaft and bearing generate heat；With
And motor is powered on the heat of generation and is transmitted in bearing arrangement, gas is generated in bearing arrangement, bearing system is discharged in time
System, just can ensure that the oil film between oiliness bearing and shaft will not generate bubble, forms stable oil film pressure and be enough to support rotor
Steady operating.
Beneficial effects of the present invention:
1, in the present invention, in fan energization shaft operation process, lubricating oil climbs upwards along shaft surface and causes oil seal ring
Centre bore and shaft pass-through zone, due to the area, piece surface is coated with water extraction oil extracticn agent and forms nanometer layer, when lubricating oil flows to
The region is difficult to from oil seal ring by oil droplet formed here, lubricating oil oil droplet is constantly assembled after thrust because of own tension effect
It is flowed out outward in the gap of axle center pass-through zone in heart hole；And the oiliness bearing plane upper end oil-break slot and oil seal ring small to thrust
Plane is bonded the channel that the channel to be formed flowing causes oiliness bearing outer circle and middle inside pipe wall to be formed, then flows and cause oiliness bearing plane
Lower end oil groove is bonded the channel to be formed with middle pipe supporting plane, in final runner in bottom of the tube oil storage space, in oiliness bearing
Portion circulates, and guarantees the normal work of electric fan；
2, in the present invention, during lubricating oil circulates inside oiliness bearing, a little lubricating oil escapes from oil seal ring center
Hole and shaft pass-through zone, which continue to climb up, to be caused at oil-break slot, since oil-break groove shape and water extraction oil extracticn agent form second and push away
Power forces lubricating oil toward reflux, prevents to climb up, play preliminary barrier effect to lubricating oil；
3, in the present invention, continue to climb up even if crossing oil-break slot there are also a small amount of lubricating oil, be coated with the oil of water extraction oil extracticn agent
The boss and axle center of envelope or fixed rotating shaft, which form vertical angle, can also form third road thrust, and lubricating oil is prevented to continue to outbound flow
Dynamic, the two or three forms lubricating oil thrust region, significantly more efficient to ensure that lubricating oil circulates inside oiliness bearing, prevents
Lubricating oil leaks；
4, in the present invention, escape gas gap and path, it is ensured that because fan energization rotor continuous running shaft and bearing generate heat
Amount；And motor is powered on the heat of generation and is transmitted in bearing arrangement, gas is generated in bearing arrangement, axis is discharged in time
System is held, just can ensure that the oil film between oiliness bearing and shaft will not generate bubble, stable oil film pressure is formed and is enough to support
Rotor steadily operates, and so that axle center is not contacted friction with bearing centre hole inner wall and generates abnormal sound, reduces noise；
5, radiator fan motor structure of the invention and oiliness bearing can make to fill the lubricating oil in bearing arrangement in bearing
Internal system circulation, will not escape from outside bearing arrangement；Between cooling fan rotor operation process middle (center) bearing inner hole inner wall and axle center
There is sufficient lubricating oil to form oil film, and oil film pressure is enough that rotor is supported not tilt when operating, axle center does not have with bearing hole inner wall
There is contact；Overturning causes any angle not have axle center and bearing touch friction abnormal sound in cooling fan rotor operation process, and radiates
Fan life is longer.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram for the mute type radiator fan motor structure that one kind of the present invention can prevent lubricating oil from leaking；
Fig. 2 is oil storage space and the structural schematic diagram for escaping headroom in the present invention；
Fig. 3 is the structural schematic diagram of copper sheathing in the present invention；
Fig. 4 is the structural schematic diagram of two kinds of forms of middle pipe in the present invention；
Fig. 5 is the structural schematic diagram of the three kinds of forms covered on stator insulation in the present invention；
In figure: 1, oiliness bearing；2, middle pipe；3, wear plate；4, retaining ring；5, it is covered on stator insulation；6, circuit board；7, outer
Frame；8, flabellum；9, tape；10, stator silicon steel plate；11, escape headroom；12, motor shell；13, oil seal ring；14, oil sealing；15, copper
Set；16, shaft；17, boss；18, oil-break slot；19, oil storage space；20, horizontal block；21, block is bent；22, pipe rib.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
As shown in Figs. 1-5, a kind of mute type radiator fan motor structure for preventing lubricating oil from leaking, including oiliness bearing
1, outline border 7 and shaft 16, the outline border 7 are internally provided with shaft 16, and outline border 7 is arranged in close to the position at middle part in shaft 16,
The outside of shaft 16 is provided with oiliness bearing 1, and the outside of oiliness bearing 1 is provided with middle pipe 2, and the bottom of oiliness bearing 1 is provided with
Retaining ring 4 is provided with oil storage space 19 on the middle pipe 2 of 4 bottom of retaining ring, is arranged between the oiliness bearing 1 and middle pipe 2 of 4 top of retaining ring
Have and escape headroom 11, wear plate 3 is provided between the bottom end of shaft 16 and middle pipe 2, wear plate 3 is arranged in oil storage space 19
Portion, the top of oiliness bearing 1 is provided with oil seal ring 13, and oil seal ring 13 is socketed in shaft 16；The inside of the oil seal ring 13
Shaft 16 on offer oil-break slot 18, the top of oil-break slot 18 is provided with oil sealing 14, and the top of oil sealing 14 is provided with boss 17,
17 top of boss is provided with copper sheathing 15, and the outside of copper sheathing 15 is provided with motor shell 12, and copper sheathing 15 is fixed at motor shell 12
On, several flabellums 8 are provided on the lateral wall of motor shell 12, the inside of motor shell 12, the inside of motor shell 12 is arranged in middle pipe 2
It is provided with tape 9, the inside of tape 9 is provided with stator silicon steel plate 10, and stator silicon steel plate 10 is arranged on the lateral wall of middle pipe 2,
Be provided on stator insulation on stator silicon steel plate 10 and cover 5, in use, firstly, 1 inner hole of oiliness bearing injection lubricating oil, wind
It fans shaft 16 to be inserted into 1 system axle bearing bore of oiliness bearing, to wear plate 3, this contains in the process on the spherical surface top of 16 bottom end of shaft
There is air extra in bearing 1 to escape from along 1 side of oiliness bearing；In 16 operation process of fan energization shaft, lubricating oil along
16 surface of shaft is climbed upwards causes 13 centre bore of oil seal ring and 16 pass-through zone of shaft, and due to the area, piece surface is coated with water repellent
Oil extracticn agent forms nanometer layer, constantly assembles oil droplet formed here, Lubricating Oil after lubricating oil flows to the region by thrust
Pearl is difficult to flow out outward in the gap of axle center pass-through zone from 13 centre bore of oil seal ring because of own tension effect；And it is small to thrust
1 plane upper end oil-break slot 18 of oiliness bearing be bonded with 13 plane of oil seal ring to be formed channel flowing cause 1 outer circle of oiliness bearing with
The channel that middle 2 inner wall of pipe is formed, then flow and 1 plane lower end oil groove of oiliness bearing is caused to be bonded leading to of being formed with middle 2 supporting plane of pipe
Road so circulates inside oiliness bearing 1, lubricating oil is in oiliness bearing in final runner in 2 bottom oil storage space 19 of pipe
In being circulated inside 1, perhaps there is a little lubricating oil to escape from 13 centre bore of oil seal ring and continue to climb up with 16 pass-through zone of shaft
It causes at oil-break slot 18, since 18 shape of oil-break slot and water extraction oil extracticn agent form second thrust, forces lubricating oil toward reflux, prevent
It climbs up, continues to climb up even if crossing oil-break slot 18 there are also a small amount of lubricating oil, be coated with the oil sealing 14 or fixed of water extraction oil extracticn agent
The boss 17 of shaft 16 and axle center, which form vertical angle, can also form third road thrust, and lubricating oil is prevented to continue to flow outward, the
Two or three form lubricating oil thrust region, significantly more efficient to ensure that lubricating oil circulates inside oiliness bearing 1；Escape gas gap
With path, it is ensured that because fan energization rotor continuous running shaft 16 and bearing generate heat；And motor is powered on generation
Heat is transmitted in bearing arrangement, in bearing arrangement generate gas bearing arrangement is discharged in time, just can ensure that oiliness bearing 1 with
Oil film between shaft 16 will not generate bubble, form stable oil film pressure and be enough that rotor is supported steadily to operate, make axle center and axis
It holds center bore inner wall and does not contact friction generation abnormal sound, reduce noise.
Motor shell 12 is fixed at 7 inside of outline border close to the position at middle part, and motor shell 12 and shaft 16 are concentric,
13 centre bore of oil seal ring and 16 pass-through zone surface of shaft are coated with water extraction oil extracticn agent, when lubricating oil flow to the region by
Constantly assemble oil droplet formed here after thrust, lubricating oil oil droplet is difficult to from 13 centre bore of oil seal ring because of own tension effect in axis
It is flowed out outward in the gap of heart pass-through zone.
The inner wall of middle pipe 2 is divided into two kinds of structure types, if being provided with main pipe rib 22 on the inner wall of pipe 2 in one of which, separately
Without pipe rib 22, two kinds of structure types can make the outer circle of oiliness bearing 1 and middle 2 inner wall of pipe form oil for a kind of inner wall of middle pipe 2
Paths, convenient for circulation inside oil liquid.
It is three kinds of structure types that 5 points are covered on stator insulation, and one of structure type is the top of set 5 on stator insulation
For vertical structure, another structure type is that the top of set 5 on stator insulation is provided with horizontal block 20, and finally a kind of structure type is
The top of set 5 is provided with bending block 21 on stator insulation, and the structure type of set 5 can adapt to difference on above several stator insulations
The oil sealing 14 of structure type realizes the block work to oil liquid.
The bottom of set 5 is provided with circuit board 6 on stator insulation, and circuit board 6 is made of PCBA, the top setting of circuit board 6
There is connecting plate, circuit board 6 is fixed by set 5 on connecting plate and stator insulation, and circuit board 6 is avoided to move.
Fixed plate is arranged in the bottom end of outline border 7, is provided with through-hole in fixed plate, the lower section of outline border 7 is provided with bottom plate, with outline border
Through-hole is also offered on the side wall of the bottom plate of 7 corresponding positions, bottom plate and outline border 7 can be bolted to connection, avoid fanning
Leaf 8 is hurted sb.'s feelings.
The working method of the radiator fan motor structure specifically includes the following steps:
Step 1: in the lubricating oil of 1 inner hole of oiliness bearing injection, fan shaft 16 is inserted into 1 system axle bearing bore of oiliness bearing
In, the spherical surface top of 16 bottom end of shaft is to wear plate 3, this is in the process containing air extra in bearing 1 along oiliness bearing 1
It escapes from side；
Step 2: in 16 operation process of fan energization shaft, lubricating oil climbs upwards along 16 surface of shaft and causes oil seal ring
13 centre bores and 16 pass-through zone of shaft, due to the area, piece surface is coated with water extraction oil extracticn agent and forms nanometer layer, works as lubricating oil
It flows to the region and is difficult to because of own tension effect from oil sealing by oil droplet formed here, lubricating oil oil droplet is constantly assembled after thrust
13 centre bore of ring flows out outward in the gap of axle center pass-through zone；And the oiliness bearing 1 plane upper end oil-break slot small to thrust
18 are bonded the channel that the channel to be formed flowing causes 1 outer circle of oiliness bearing and middle 2 inner wall of pipe to be formed with 13 plane of oil seal ring, then flow
1 plane lower end oil groove of oiliness bearing is caused to be bonded the channel to be formed with middle 2 supporting plane of pipe, 2 bottom oil storage of pipe is empty in final runner
Between in 19；
Step 3: during lubricating oil circulates inside oiliness bearing 1, a little lubricating oil escapes from 13 center of oil seal ring
Hole and 16 pass-through zone of shaft, which continue to climb up, to be caused at oil-break slot 18, since 18 shape of oil-break slot and water extraction oil extracticn agent form second
Road thrust forces lubricating oil toward reflux, prevents to climb up, and continues to climb up even if crossing oil-break slot 18 there are also a small amount of lubricating oil,
The boss 17 of the oil sealing 14 or fixed rotating shaft 16 that are coated with water extraction oil extracticn agent can also form third road with axle center formation vertical angle and push away
Power prevents lubricating oil from continuing to flow outward, and the two or three forms lubricating oil thrust region；
Step 4: escape gas gap and path, it is ensured that because fan energization rotor continuous running shaft 16 and bearing generate heat；
And motor is powered on the heat of generation and is transmitted in bearing arrangement, gas is generated in bearing arrangement, bearing system is discharged in time
System, just can ensure that the oil film between oiliness bearing 1 and shaft 16 will not generate bubble, forms stable oil film pressure and is enough to support and turns
Sub steady operating makes axle center not contact friction with bearing centre hole inner wall and generates abnormal sound.
The working principle of the invention: the present invention use when in use, firstly, 1 inner hole of oiliness bearing injection lubricating oil,
Fan shaft 16 is inserted into 1 system axle bearing bore of oiliness bearing, the spherical surface top of 16 bottom end of shaft to wear plate 3, during this
It is escaped from containing air extra in bearing 1 along 1 side of oiliness bearing；In 16 operation process of fan energization shaft, lubricating oil edge
16 surface of shaft climb cause 13 centre bore of oil seal ring and 16 pass-through zone of shaft upwards, due to the area, piece surface, which is coated with, dials
Water-repellent oil dosage form constantly assembles oil droplet formed here, lubricating oil after lubricating oil flows to the region by thrust at nanometer layer
Oil droplet is difficult to flow out outward in the gap of axle center pass-through zone from 13 centre bore of oil seal ring because of own tension effect；And to thrust
Small 1 plane upper end oil-break slot 18 of oiliness bearing is bonded the channel to be formed flowing with 13 plane of oil seal ring and causes 1 outer circle of oiliness bearing
The channel formed with middle 2 inner wall of pipe, then flow and 1 plane lower end oil groove of oiliness bearing is caused to be bonded with middle 2 supporting plane of pipe to be formed
Channel so circulates inside oiliness bearing 1, lubricating oil is in oil-containing axis in final runner in 2 bottom oil storage space 19 of pipe
It holds in being circulated inside 1, perhaps there is a little lubricating oil to escape from 13 centre bore of oil seal ring and the continuation of 16 pass-through zone of shaft up
It climbs and causes at oil-break slot 18, since 18 shape of oil-break slot and water extraction oil extracticn agent form second thrust, force lubricating oil toward reflux, resistance
It only climbs up, continues to climb up even if crossing oil-break slot 18 there are also a small amount of lubricating oil, be coated with the oil sealing 14 or solid of water extraction oil extracticn agent
The boss 17 and axle center for determining shaft 16, which form vertical angle, can also form third road thrust, and lubricating oil is prevented to continue to flow outward,
Two or three forms lubricating oil thrust region, significantly more efficient to ensure that lubricating oil circulates inside oiliness bearing 1；Escape gas sky
Gap and path, it is ensured that because fan energization rotor continuous running shaft 16 and bearing generate heat；And motor is powered on generation
Heat be transmitted in bearing arrangement, in bearing arrangement generate gas bearing arrangement is discharged in time, just can ensure that oiliness bearing 1
Oil film between shaft 16 will not generate bubble, form stable oil film pressure and be enough that rotor is supported steadily to operate, make axle center with
Bearing centre hole inner wall does not contact friction and generates abnormal sound, reduces noise.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. the mute type radiator fan motor structure that one kind can prevent lubricating oil from leaking, which is characterized in that including oiliness bearing
(1), outline border (7) and shaft (16), the outline border (7) are internally provided with shaft (16), and shaft (16) setting is leaned in outline border (7)
The position at nearly middle part is provided with oiliness bearing (1) on the outside of shaft (16), middle pipe (2) is provided on the outside of oiliness bearing (1),
The bottom of oiliness bearing (1) is provided with retaining ring (4), is provided with oil storage space (19), retaining ring on the middle pipe (2) of retaining ring (4) bottom
(4) be provided with and escape headroom (11) between the oiliness bearing (1) above and middle pipe (2), the bottom end of shaft (16) and middle pipe (2) it
Between be provided with wear plate (3), wear plate (3) be arranged in the inside of oil storage space (19), oiliness bearing is provided with envelope at the top of (1)
Oil ring (13), and oil seal ring (13) is socketed on shaft (16)；
It is offered oil-break slot (18) in the shaft (16) of the inside of the oil seal ring (13), oil-break slot is provided with oil at the top of (18)
It seals (14), is provided with boss (17) at the top of oil sealing (14), being provided with copper sheathing (15) above boss (17), outside copper sheathing (15)
Side is provided with motor shell (12), and copper sheathing (15) is fixed on motor shell (12), is provided on the lateral wall of motor shell (12)
Several flabellums (8), middle pipe (2) are arranged in the inside of motor shell (12), and motor shell (12) is internally provided with tape (9), tape
(9) it is provided on the inside of stator silicon steel plate (10), stator silicon steel plate (10) is arranged on the lateral wall of middle pipe (2), stator silicon steel
Set (5) on stator insulation is provided on piece (10).
2. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
It is, the motor shell (12) is fixed at the internal position close to middle part of outline border (7), and motor shell (12) and shaft (16)
Concentric, oil seal ring (13) centre bore and shaft (16) pass-through zone surface are coated with water extraction oil extracticn agent.
3. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
Be, the inner wall of the middle pipe (2) is divided into two kinds of structure types, manage (2) in one of which if inner wall on be provided with main pipe rib
(22), the inner wall of (2) is managed in another kind without pipe rib (22).
4. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
It is, (5) is covered on the stator insulation and are divided into three kinds of structure types, one of structure type is to cover (5) on stator insulation
Top is vertical structure, and another structure type is to cover to be provided with horizontal block (20) at the top of (5) on stator insulation, a kind of last knot
Configuration formula is to cover to be provided with bending block (21) at the top of (5) on stator insulation.
5. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
It is, the bottom that (5) are covered on the stator insulation is provided with circuit board (6), and circuit board (6) is made of PCBA, circuit board (6)
Top is provided with connecting plate.
6. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
It is, fixed plate is arranged in the bottom end of the outline border (7), is provided with through-hole in fixed plate, and outline border is provided with bottom plate below (7),
Through-hole is also offered on the side wall of the bottom plate of outline border (7) corresponding position.
7. the mute type radiator fan motor structure that one kind according to claim 1 can prevent lubricating oil from leaking, feature
Be, the working method of the radiator fan motor structure specifically includes the following steps:
Step 1: in the lubricating oil of oiliness bearing (1) inner hole injection, fan shaft (16) is inserted into oiliness bearing (1) system bearings
Kong Zhong, the spherical surface top to wear plate (3) of shaft (16) bottom end, contain during this air extra in bearing (1) along
It escapes from oiliness bearing (1) side；
Step 2: in fan energization shaft (16) operation process, lubricating oil climbs upwards along shaft (16) surface and causes oil seal ring
(13) centre bore and shaft (16) pass-through zone, due to the area, piece surface is coated with water extraction oil extracticn agent and forms nanometer layer, works as profit
Lubricating oil flows to the region by constantly assembling oil droplet formed here after thrust, lubricating oil oil droplet because own tension effect be difficult to from
Oil seal ring (13) centre bore flows out outward in the gap of axle center pass-through zone；And in the small oiliness bearing of thrust (1) plane
End oil-break slot (18) is bonded the channel to be formed flowing with oil seal ring (13) plane and causes oiliness bearing (1) outer circle and middle pipe (2) inner wall
The channel of formation, then flow and oiliness bearing (1) plane lower end oil groove is caused to be bonded the channel to be formed with middle pipe (2) supporting plane, most
It is managed in (2) bottom oil storage space (19) in whole runner；
Step 3: during lubricating oil circulates inside oiliness bearing (1), a little lubricating oil escapes from oil seal ring (13) centre bore
Continue to climb up with shaft (16) pass-through zone and cause at oil-break slot (18), since oil-break slot (18) shape and water extraction oil extracticn agent are formed
Second thrust, force lubricating oil toward reflux, prevent to climb up, though there are also a small amount of lubricating oil cross oil-break slot (18) continue it is past
It swashes, is coated with the oil sealing (14) of water extraction oil extracticn agent or the boss (17) of fixed rotating shaft (16) and axle center formation vertical angle also can shape
At third road thrust, lubricating oil is prevented to continue to flow outward, the two or three forms lubricating oil thrust region；
Step 4: escape gas gap and path, it is ensured that because fan energization rotor continuous running shaft (16) and bearing generate heat；With
And motor is powered on the heat of generation and is transmitted in bearing arrangement, gas is generated in bearing arrangement, bearing system is discharged in time
System, just can ensure that the oil film between oiliness bearing (1) and shaft (16) will not generate bubble, forms stable oil film pressure and be enough to prop up
Support rotor steadily operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716412.8A CN110425165B (en) | 2019-08-05 | 2019-08-05 | Mute type cooling fan motor structure capable of preventing lubricating oil from leaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716412.8A CN110425165B (en) | 2019-08-05 | 2019-08-05 | Mute type cooling fan motor structure capable of preventing lubricating oil from leaking |
Publications (2)
| Publication Number | Publication Date |
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| CN110425165A true CN110425165A (en) | 2019-11-08 |
| CN110425165B CN110425165B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910716412.8A Active CN110425165B (en) | 2019-08-05 | 2019-08-05 | Mute type cooling fan motor structure capable of preventing lubricating oil from leaking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727798A (en) * | 2021-01-14 | 2021-04-30 | 东莞市嘉恩塑胶机电科技有限公司 | Sealing bearing applied to fan and motor |
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| CN101054981A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Fan |
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| CN112727798A (en) * | 2021-01-14 | 2021-04-30 | 东莞市嘉恩塑胶机电科技有限公司 | Sealing bearing applied to fan and motor |
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|---|---|
| CN110425165B (en) | 2024-04-19 |
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