CN209195783U - A kind of centrifugal fan with self-lubricating seal structure - Google Patents
A kind of centrifugal fan with self-lubricating seal structure Download PDFInfo
- Publication number
- CN209195783U CN209195783U CN201822224411.5U CN201822224411U CN209195783U CN 209195783 U CN209195783 U CN 209195783U CN 201822224411 U CN201822224411 U CN 201822224411U CN 209195783 U CN209195783 U CN 209195783U
- Authority
- CN
- China
- Prior art keywords
- lubrication
- lubricating
- self
- shaft
- seal structure
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sealing Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of centrifugal fans with self-lubricating seal structure, belong to centrifugal fan field, centrifugal fan with self-lubricating seal structure includes casing, set on the impeller of casing internal, shaft for driving impeller to rotate, shaft is connected through casing and with impeller, self-lubricating seal structure is arranged in shaft, self-lubricating seal structure includes the sealed chassis being fixed on chassis sidewall, it is connected to the lubrication end cover of the inner hollow of sealed chassis side, the lubricating cavity for containing lubricating oil is formed between the inner wall and sealed chassis of lubrication end cover, lubrication driving lever is provided in lubricating cavity, one end of lubrication driving lever is connected in shaft.Centrifugal fan disclosed by the utility model with self-lubricating seal structure, the sealing structure of the junction of shaft and casing setting has self-lubricate effect, and still can guarantee lubricant effect when oil mass is lower than certain level, guarantee stable equilibrium's rotation of shaft and impeller.
Description
Technical field
The utility model relates to centrifugal fan field more particularly to a kind of centrifugation ventilations with self-lubricating seal structure
Machine.
Background technique
Centrifugal fan is a kind of turbomachine, is to convert the mechanical energy of prime mover to by conveying gas kinetic energy and pressure
The fluid machinery of energy.Centrifugal fan is mainly made of impeller, casing, motor, shaft coupling, axis, impeller be generate wind pressure and
The main work done component of energy is transmitted, casing is mainly used to introduce gas and gas is discharged, while the part kinetic energy of gas being become
For pressure energy, shaft coupling is used to connect motor and blower, transmits torque, axis installs and fixes impeller.
The shaft of existing centrifugal fan is typically opening through casing, need to pass through sealing structure in the junction of shaft and casing
Be sealed, increase the leakproofness of casing, existing sealing structure after mounting, due to shaft does not stop rotation with sealing structure phase
Mutual friction can not only issue loud noise, and easily because abrasion causes shaft rotation unstable, so that being connected with the rotating shaft impeller rotation
Turn uneven and influence outlet air, some centrifugal fans can install bearing and lubrication system, but its additional in shaft and casing junction
Lubricant effect is not ideal enough, and the oil storage chamber oil reserve in lubrication system is limited, need to frequently refuel, and is lower than certain water in oil mass
Usually, lubricating action is lost because shaft contacts are less than lubricating oil.
Utility model content
For overcome the deficiencies in the prior art, a kind of with certainly the technical problem to be solved by the utility model is to propose
The sealing structure of the junction setting of the centrifugal fan of lubrication sealing structure, shaft and casing has self-lubricate effect, and
It still can guarantee lubricant effect when oil mass is lower than certain level, guarantee stable equilibrium's rotation of shaft and impeller.
The technical scheme adopted by the utility model is
A kind of centrifugal fan with self-lubricating seal structure provided by the utility model, including casing, be set to it is described
The impeller of casing internal, the shaft for driving impeller rotation, the shaft through the casing and with the impeller phase
It connects, self-lubricating seal structure is arranged in the shaft, the self-lubricating seal structure includes being fixed on the chassis sidewall
On sealed chassis, be connected to the sealed chassis side inner hollow lubrication end cover, the inner wall of the lubrication end cover and
The lubricating cavity for containing lubricating oil is formed between the sealed chassis, is provided with lubrication driving lever, the profit in the lubricating cavity
One end of sliding driving lever is connected in the shaft.
As the further improvement of this programme, the sealed chassis includes sealing bottom cover, is pressed together on the sealing bottom cover one
The other side of the sealing gland of side, the sealing bottom cover is connected on the side wall of the casing, the sealing bottom cover and described close
Sealed cover is set in the shaft, and the lubrication end cover is pressed together on the side of the sealing gland.
As the further improvement of this programme, the side of the sealing gland is provided with filler on the sealing bottom cover
Chamber is provided with binder boss close to the side of the sealing bottom cover on the sealing gland, filled with sealing in the packing cavity
Filler, the binder boss are pressed together in the packing cavity.
As the further improvement of this programme, the side on the sealing gland close to the lubrication end cover is provided with lubrication
Boss, when the lubrication end cover is pressed together on the side of the sealing gland, the lubrication boss is located at the lubrication end cover
In internal cavities.
As the further improvement of this programme, first annular slot is offered on the internal cavities side wall of the lubrication end cover,
The first seal washer, the side wall matching of first seal washer and the lubrication boss are provided in the first annular slot
It closes.
As the further improvement of this programme, the second annular is offered on the lubrication end cover with the junction of the shaft
Slot is provided with the second seal washer in second annular groove, and second seal washer is matched with the shaft.
As the further improvement of this programme, offers on the side wall of the lubrication end cover and be connected with the lubricating cavity
Oil inlet through-hole.
As the further improvement of this programme, the flange of the lubrication end cover, the flange of the sealing gland, the sealing
It is connected between the side wall of the flange of bottom cover and the casing by several fastening bolts.
As the further improvement of this programme, connection ring is arranged in the shaft, the connection ring is located at the lubrication
In chamber, one end of the lubrication driving lever is fixed in the connection ring.
As the further improvement of this programme, the length direction on the lubrication driving lever along the lubrication driving lever offers defeated
Oil groove.
Compared with prior art, the utility model has the beneficial effects that
A kind of centrifugal fan with self-lubricating seal structure provided by the utility model, by shaft and casing
Junction setting includes the self-lubricating seal structure of lubrication end cover, sealed chassis, can junction effectively to shaft and casing into
Row sealing, improves the leakproofness of casing, passes through the lubricating cavity formed between lubrication end cover inner hollow cavity and sealed chassis, profit
Lubricating oil in sliding chamber can lubricate the junction between shaft and lubrication end cover, sealed chassis with the rotation of shaft, anti-rotation stop
Noise and abrasion caused by phase mutual friction between axis and self-lubricating seal structure, make shaft that can stablize rotation, to make impeller
Can balance rotating, guarantee the normal outlet air of blower, pass through in shaft setting be located at lubricating cavity in lubrication driving lever, lubricate driving lever
It can rotate, continuously the lubricating oil in lubricating cavity can be allocated in shaft in lubricating cavity with shaft, to realize automatic
Lubrication, the and when lubricating oil in lubricating cavity be in reduced levels line can make lubricating oil along lubricating by stirring for lubrication driving lever
Driving lever flow in shaft and realizes self-lubricate, to still can guarantee self-lubricate effect when lubricating oil is lower than certain level.
Detailed description of the invention
Fig. 1 is a kind of centrifugal fan with self-lubricating seal structure provided in specific embodiment of the present invention
Structural schematic diagram；
Fig. 2 is the structural schematic diagram of the self-lubricating seal structure provided in specific embodiment of the present invention.
In figure:
1, casing；11, impeller；12, shaft；2, self-lubricating seal structure；3, sealed chassis；4, lubrication end cover；5, it lubricates
Chamber；6, driving lever is lubricated；7, bottom cover is sealed；8, sealing gland；71, packing cavity；81, binder boss；72, airtight and watertight padding；82, it lubricates
Boss；41, first annular slot；42, the first seal washer；43, the second annular groove；44, the second seal washer；45, oil inlet through-hole；
9, fastening bolt；10, connection ring；61, input oil groove；13, motor.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below
Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
The present invention will be further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, a kind of centrifugal fan with self-lubricating seal structure provided in this embodiment, including
Casing 1, the impeller 11 inside casing 1, the shaft 12 for driving impeller 11 to rotate, are arranged on the side side wall of casing 1
There is air inlet, the side of casing 1 is provided with motor 13, and the power output end of motor 13 is connected with shaft 12, and shaft 12 runs through
Casing 1 is simultaneously connected with impeller 11, and self-lubricating seal structure 2 is arranged in shaft 12, and self-lubricating seal structure 2 includes being fixed on
Sealed chassis 3 on 1 lateral wall of casing, be connected to 3 side of sealed chassis inner hollow lubrication end cover 4, lubrication end cover 4 is in
Cap shape, sealed chassis 3 and lubrication end cover 4 are set in shaft 12, can be carried out to the junction of shaft 12 and casing 1 close
Envelope improves the leakproofness of casing 1, conducive to the outlet air of blower, is formed between the inner wall and sealed chassis 3 of lubrication end cover 4 for containing
The lubricating cavity 5 of lubricating oil is filled, lubrication driving lever 6 is provided in lubricating cavity 5, one end of lubrication driving lever 6 is connected in shaft 12, moistens
Sliding driving lever 6 is rotated perpendicular to shaft 12 by 13 work belt turn axis 12 of motor, and shaft 12 drives lubrication driving lever 6 in lubricating cavity 5
Middle rotation, lubrication driving lever 6 stir the lubricating oil in lubricating cavity 5, flow to lubricating oil in shaft 12 along lubrication driving lever 6, and
It is rotated in one layer of oil film of formation in shaft 12 with shaft 12, the junction of shaft 12 and self-lubricating seal structure 2 is lubricated, realizes certainly
Dynamic lubrication, prevents noise and abrasion caused by the phase mutual friction between shaft 12 and self-lubricating seal structure 2, stablizes shaft 12
Rotation guarantees that the normal table with the centrifugal fan of self-lubricating seal structure goes out so that 11 stable equilibrium of impeller be made to rotate
Wind can extend the service life of blower, when the lubricating oil in lubricating cavity 5 is in reduced levels, stir profit by lubricating driving lever 6
Lubricating oil flow to lubricating oil can along lubrication driving lever 6 in shaft 12, even if lubricating oil still can be just lower than 12 place horizontal line of shaft
Often lubrication, is effectively ensured lubricant effect.It is located at the also settable bearing in junction of shaft 12 and casing 1 in shaft 12, passes through
While lubricating cooperation lubrication shaft 12 of the driving lever 6 with lubricating cavity 5, lubricating oil can be made to rotate with shaft 12 and lubricate bearing, into
One step improves the stability that shaft 12 rotates.
It is enhancing self-lubricating seal structure 2 to the sealing performance of shaft 12 and 1 junction of casing, further, seals bottom
Disk 3 includes sealing bottom cover 7, the sealing gland 8 for being pressed together on sealing 7 side of bottom cover, and the other side of sealing bottom cover 7 is connected to casing 1
Side wall on, seal bottom cover 7 and sealing gland 8 and be set in shaft 12, the flange of sealing gland 8 and sealing bottom cover 7
Flange fits, and lubrication end cover 4 is pressed together on the side of sealing gland 8, seals and is arranged on bottom cover 7 close to the side of sealing gland 8
There is the ring packing chamber 71 of twisted rotary shaft 12, the side of close sealing bottom cover 7 is provided with binder boss 81 on sealing gland 8, fills out
To expect to be filled with airtight and watertight padding 72 in chamber 71, binder boss 81 is pressed together in packing cavity 71, and airtight and watertight padding 72 is in contact with shaft 12,
The sealing performance between sealed chassis 3 and shaft 12 can be improved, matched by lubrication end cover 4, sealing gland 8,7 three layers of bottom cover of sealing
It closes, can effectively enhance self-lubricating seal structure 2 to the leakproofness of shaft 12 and 1 junction of casing, further, lubrication end cover 4
Flange, sealing gland 8 flange, seal bottom cover 7 flange and casing 1 side wall between pass through several fastening bolts 9
It is connected, convenient for the installation and removal of self-lubricating seal structure 2, and is installed in lubricating cavity 5 convenient for driving lever 6 will be lubricated.
To prevent the oil leak in lubricating cavity 5, further, the side on sealing gland 8 close to lubrication end cover 4 is set
It is equipped with lubrication boss 82, when lubrication end cover 4 is pressed together on the side of sealing gland 8, lubrication boss 82 is located at the interior of lubrication end cover 4
In portion's cavity, first annular slot 41 is offered on the internal cavities side wall of lubrication end cover 4, is provided with first in first annular slot 41
Seal washer 42, the first seal washer 42 are mutually squeezed with the side wall of lubrication boss 82 and are contacted, the flange of sealing gland 8 and lubrication end
Also settable seal washer between the flange of lid 4 offers the second annular groove 43 with the junction of shaft 12 on lubrication end cover 4,
The second seal washer 44 is provided in second annular groove 43, the second seal washer 44 is contacted with the extruding of 12 phase of shaft, effectively prevent
Oil leak in lubricating cavity 5 makes lubricating oil be allocated to 12 surface of shaft by lubricating driving lever 6, and can be rotated with shaft 12 and
Flow to sealing gland 8 and 12 junction of shaft.
Further, to be offered on the side wall of lubrication end cover 4 and lubricating cavity 5 convenient for the make-up oil into lubricating cavity 5
The oil inlet through-hole 45 being connected is provided with plug cock on oil inlet through-hole 45, convenient for the make-up oil into lubricating cavity 5, in lubricating cavity 5
Bottom can also open up oil outlet, convenient for discharge lubricating cavity 5 in lubricating oil.
Oily effect is dialled for enhancing lubrication driving lever 6, further, is arranged with connection ring 10 in shaft 12, connection ring 10
In lubricating cavity 5, lubrication driving lever 6 be provided with it is multiple, it is multiple lubrication driving levers 6 one end be each attached in connection ring 10, lubrication dial
Bar 6 can weld in connection ring 10, and is installed in shaft 12 by connection ring 10, convenient for lubrication 6 installing and dismounting of driving lever and more
It changes, oil is dialled in multiple rotations simultaneously of lubrication driving lever 6 can enhance lubricant effect, lubricate on driving lever 6 along the length direction of lubrication driving lever 6
The input oil groove 61 for offering strip, when lubrication driving lever 6 stirs lubricating oil, the lubricating oil on lubrication driving lever 6 can concentrate on defeated
It in oil groove 61, and is delivered in shaft 12 along input oil groove 61, the lubricants capacity for dialling oil every time, effectively enhancing lubrication driving lever can be increased
6 group oily effect, to guarantee the lubricant effect to shaft 12 and 2 junction of self-lubricating seal structure.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of centrifugal fan with self-lubricating seal structure including casing (1), is set to the casing (1) internal leaf
Wheel (11), for drive the impeller (11) rotate shaft (12), the shaft (12) through the casing (1) and with it is described
Impeller (11) is connected, it is characterised in that:
Self-lubricating seal structure (2) are arranged on the shaft (12)；
The self-lubricating seal structure (2) include the sealed chassis (3) being fixed on the casing (1) side wall, be connected to it is described
The lubrication end cover (4) of the inner hollow of sealed chassis (3) side；
The lubricating cavity (5) for containing lubricating oil is formed between the inner wall and the sealed chassis (3) of the lubrication end cover (4)；
Lubrication driving lever (6) is provided in the lubricating cavity (5), one end of lubrication driving lever (6) is connected to the shaft (12)
On.
2. a kind of centrifugal fan with self-lubricating seal structure according to claim 1, it is characterised in that:
The sealed chassis (3) includes sealing bottom cover (7), the sealing gland (8) for being pressed together on described sealing bottom cover (7) side；Institute
The other side for stating sealing bottom cover (7) is connected on the side wall of the casing (1)；
The sealing bottom cover (7) and the sealing gland (8) are set on the shaft (12)；
The lubrication end cover (4) is pressed together on the side of the sealing gland (8).
3. a kind of centrifugal fan with self-lubricating seal structure according to claim 2, it is characterised in that:
The side of the sealing gland (8) is provided with packing cavity (71) on sealing bottom cover (7)；
Side on the sealing gland (8) close to sealing bottom cover (7) is provided with binder boss (81)；
Airtight and watertight padding (72) are filled in the packing cavity (71)；
The binder boss (81) is pressed together in the packing cavity (71).
4. a kind of centrifugal fan with self-lubricating seal structure according to claim 2, it is characterised in that:
Side on the sealing gland (8) close to the lubrication end cover (4) is provided with lubrication boss (82)；
When the lubrication end cover (4) is pressed together on the side of the sealing gland (8), the lubrication boss (82) is located at the profit
In the internal cavities of sliding end cap (4).
5. a kind of centrifugal fan with self-lubricating seal structure according to claim 4, it is characterised in that:
First annular slot (41) are offered on the internal cavities side wall of the lubrication end cover (4)；
The first seal washer (42) are provided in the first annular slot (41)；
First seal washer (42) matches with the side wall of lubrication boss (82).
6. a kind of centrifugal fan with self-lubricating seal structure according to claim 1, it is characterised in that:
The second annular groove (43) are offered with the junction of the shaft (12) on the lubrication end cover (4)；
The second seal washer (44) are provided in second annular groove (43)；
Second seal washer (44) matches with the shaft (12).
7. a kind of centrifugal fan with self-lubricating seal structure according to claim 1, it is characterised in that:
The oil inlet through-hole (45) being connected with the lubricating cavity (5) is offered on the side wall of the lubrication end cover (4).
8. a kind of centrifugal fan with self-lubricating seal structure according to claim 2, it is characterised in that:
The flange of the lubrication end cover (4), the flange of the sealing gland (8), the flange of sealing bottom cover (7) and described
It is connected between the side wall of casing (1) by several fastening bolts (9).
9. a kind of centrifugal fan with self-lubricating seal structure according to claim 1, it is characterised in that:
Connection ring (10) are arranged on the shaft (12)；
The connection ring (10) is located in the lubricating cavity (5)；
One end of lubrication driving lever (6) is fixed on the connection ring (10).
10. a kind of centrifugal fan with self-lubricating seal structure according to any one of claims 1 to 9, feature
It is:
Length direction on lubrication driving lever (6) along lubrication driving lever (6) offers input oil groove (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224411.5U CN209195783U (en) | 2018-12-27 | 2018-12-27 | A kind of centrifugal fan with self-lubricating seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224411.5U CN209195783U (en) | 2018-12-27 | 2018-12-27 | A kind of centrifugal fan with self-lubricating seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195783U true CN209195783U (en) | 2019-08-02 |
Family
ID=67430713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822224411.5U Expired - Fee Related CN209195783U (en) | 2018-12-27 | 2018-12-27 | A kind of centrifugal fan with self-lubricating seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377450A (en) * | 2020-10-30 | 2021-02-19 | 绍兴市上虞区理工高等研究院 | Fan of steady operation |
-
2018
- 2018-12-27 CN CN201822224411.5U patent/CN209195783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377450A (en) * | 2020-10-30 | 2021-02-19 | 绍兴市上虞区理工高等研究院 | Fan of steady operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11879439B2 (en) | Wind turbine drivetrain component with low friction radial shaft seal | |
| CN211598988U (en) | Melt gear pump | |
| CN209195783U (en) | A kind of centrifugal fan with self-lubricating seal structure | |
| CN110469502A (en) | A kind of non-oil-immersed type inside engaged gear electric-motor pump of air gap | |
| CN103362854B (en) | A kind of centrifugal compressor | |
| CN212056677U (en) | Lubricating structure of power motor bearing for new energy automobile | |
| CN110425404A (en) | A kind of lubrication system of new-energy automobile power motor bearing | |
| CN205136017U (en) | A self -lubricating double seal structure for lobe pump drive end | |
| CN212258626U (en) | Motor capable of effectively ensuring oil seal effect | |
| US1026101A (en) | Centrifugal pump. | |
| CN205991014U (en) | A kind of liquid rotary compressor | |
| CN105065679B (en) | Booster oil enveloping structure | |
| CN2139637Y (en) | Shaft sealing device for centrifugal pump | |
| CN210739371U (en) | High-speed spiral sealing device | |
| CN210744893U (en) | Self-lubricating motor | |
| CN208831313U (en) | A kind of water pump of outboard bearing | |
| CN209823555U (en) | Power motor seal structure for new energy automobile | |
| CN106438944B (en) | It is applicable in the high-speed gear box of multistage centrifugal compressor | |
| CN207393485U (en) | A kind of horizontal multi-stage centrifugal pump | |
| CN215486637U (en) | Horizontal single-stage single-suction clean water centrifugal pump | |
| CN205638913U (en) | Screw pump oil recovery wellhead assembly | |
| CN219242220U (en) | Dry oil sealing slurry pump | |
| CN214998235U (en) | Single-stage axial single-suction clean water centrifugal pump | |
| CN106523383A (en) | Water pump with sealing property | |
| CN210240096U (en) | Centrifugal pump cavity seal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |