CN106870737B - Dust-proof sealing device special - Google Patents
Dust-proof sealing device special Download PDFInfo
- Publication number
- CN106870737B CN106870737B CN201710210892.1A CN201710210892A CN106870737B CN 106870737 B CN106870737 B CN 106870737B CN 201710210892 A CN201710210892 A CN 201710210892A CN 106870737 B CN106870737 B CN 106870737B
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- Prior art keywords
- ring
- dust
- main
- main ring
- proof
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Classifications
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- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention provides a kind of dust-proof sealing device special, including at least rotating ring and stationary ring, main ring A and dust-proof baffle ring of the rotating ring by axial direction, and the dust cover composition of radial direction, three is connected to integral structure, and the section of main ring A periphery is wavy bulge-structure；The stationary ring is made up of the main ring B of axial direction and the isolation ring gear of radial direction, and the section of main ring B inner headed face is wavy bulge-structure, and the bulge-structure on main ring B and the bulge-structure on main ring A are interlaced identical, are collectively forming an oil storage tank between the two；The isolation ring gear is fixed on the side on outer boundary on main ring B；A tortuous sewage groove is collectively forming between isolation ring gear, dust cover and dust-proof baffle ring three, the sewage groove is connected with oil storage tank.The apparatus structure is simple, favorable sealing property, can completely cut off greasy dirt, sewage, dust of extraneous splashing etc. and enter annular seal space, while and can is enough sealed the lubricant grease in annular seal space.
Description
Technical field
The invention provides a kind of sealing device being used in bearing, more particularly to the sealing dress that a kind of anti-dust performance is good
Put, belong to technical field of mechanical.
Background technology
Labyrinth seal is that several belt sealing teeth being arranged in order are set around rotary shaft, and a system is formed between tooth and tooth
Arrange gap of damming and throttle effect is produced when by the gap in tortuous labyrinth to reach Drain Resistance with expansion cavity, sealed medium
The device of purpose.Due to gap, no solid contact between the rotor and casing of labyrinth seal be present, and allow have thermal expansion, therefore
Adapt to high temperature, high pressure, the occasion of high speed-frequency, this seal form be widely used in steam turbine, gas turbine, compressor,
The shaft end of air blower and it is at different levels between sealing.At present in some special operation conditions, the oil of some splashings in working environment be present
Dirt, sewage, dust etc., this requires sealing device to have fabulous anti-dust performance, prevents the greasy dirt, sewage, powder in the external world
Dirt enters in annular seal space.But sealing a kind of i.e. simple in construction and with good anti-dust performance is there is no in the art
Device.
The content of the invention
The invention provides a kind of dust-proof sealing device special, and the apparatus structure is simple, favorable sealing property, can completely cut off
The extraneous greasy dirt to splash, sewage, dust etc. enter annular seal space, while and can is enough sealed the lubricant grease in annular seal space.
Technical scheme is used by realizing above-mentioned purpose of the present invention：
A kind of dust-proof sealing device special, including at least the equipment end cap of rotary shaft and set on the rotating shaft, equipment end
Cover and be provided with the rotating ring and stationary ring of mutual cooperation between rotary shaft, moving ring sleeve is fixed on the rotating shaft and mutually with rotary shaft, quiet
Ring is fixed on equipment end and covered, main ring A and dust-proof baffle ring of the described rotating ring by axial direction, and the dust cover composition of radial direction, and three
Person is connected to integral structure, and wherein main ring A covers on the rotating shaft, and the section of main ring A periphery is wavy convex
Play structure；Dust cover is fixed on the side on outer boundary on main ring A, and the dust-proof baffle ring is parallel with main ring A, and dust-proof baffle ring connects
The outside of dust cover is connected to, dust cover is connected with each other L-shaped structure with dust-proof baffle ring；The stationary ring by axial direction main ring B and
The isolation ring gear composition of radial direction, wherein main ring B is abutted in equipment end cap, and the section of main ring B inner headed face is wavy convex
Structure is played, and the bulge-structure on main ring B and the bulge-structure on main ring A are interlaced identical, are collectively forming one between the two
The tortuous oil storage tank of bar；The bottom of the main ring B is axially disposed a hole slot that flowed back in one, and the interior backflow hole slot is by oil storage
Groove connects with annular seal space；The isolation ring gear is fixed on the side on outer boundary on main ring B, and is sandwiched in dust cover and dustproof baffle
The inside of ring；It is adjacent with dust cover to isolate the side of ring gear, it is adjacent with dust-proof baffle ring to isolate the periphery of ring gear, and isolation tooth
A tortuous sewage groove is collectively forming between ring, dust cover and dust-proof baffle ring three, the sewage groove is connected with oil storage tank
It is logical；It is axially disposed on the inner headed face of the dust-proof baffle ring to have an exteenal reflux hole slot, the exteenal reflux hole slot by sewage groove with
External world's connection.
The curved projection in section of the periphery of described isolation ring gear, the section of the inner headed face of the dust-proof baffle ring is in arc
Shape is recessed, and above-mentioned arc convex matches with arc-shaped recess.
A metallic framework is embedded with the main ring B, one end of the metallic framework stretches out in main ring B periphery, uses
In positioning.
When in use, dust cover and dust-proof baffle ring can stop exhausted big portion to dust-proof sealing device special provided by the invention
Greasy dirt that exceptionally boundary splashes, sewage, dust, though have least a portion of greasy dirt, sewage, dust by dust-proof baffle ring and equipment end cap it
Between gap at enter, now set isolation ring gear can form further barrier.Finally, extremely least a portion of greasy dirt,
The sewage groove that sewage, dust can enter between isolation ring gear and dust-proof baffle ring, into after sewage groove, dust cover in rotating ring with
Dust-proof baffle ring is rotated with rotary shaft, and the dirt entered in sewage groove is got rid of to dust-proof baffle ring, then by set on dust-proof baffle ring
Exteenal reflux hole slot outflow.Therefore, this new provided dust-proof sealing device special can be formed triple to the dirt in the external world
Barrier, the dirt in the external world is prevented to enter annular seal space.
Brief description of the drawings
Fig. 1 is the overall structure diagram of dust-proof sealing device special provided by the invention；
In figure：1- rotary shafts, 2- equipment end caps, the dust-proof baffle rings of 3- main rings A, 4-, 5- dust covers, 6- main rings B, 7- isolation tooth
Ring, 8- oil storage tanks, 9- sewage grooves, the interior backflow hole slots of 10-, 11- exteenal reflux hole slots, 12- metallic frameworks.
Embodiment
Detailed specific description is done to the present invention with reference to specific embodiment, but protection scope of the present invention not office
It is limited to following examples.
The structure of dust-proof sealing device special provided by the invention including at least rotary shaft 1 and being enclosed on as shown in figure 1, turn
Equipment end cap 2 on moving axis 1, is provided with the rotating ring and stationary ring of mutual cooperation between equipment end cap 2 and rotary shaft 1, moving ring sleeve exists
Mutually fixed in rotary shaft 1 and with rotary shaft, stationary ring is fixed on equipment end cap 2.Described rotating ring is by axial main ring A3 and prevents
Dirt baffle ring 4, and the dust cover 5 of radial direction form, and three is connected to integral structure, and wherein main ring A3 is enclosed on rotary shaft 1
On, the section of main ring A3 periphery is wavy bulge-structure；Dust cover 5 is fixed on the side on outer boundary on main ring A3,
The dust-proof baffle ring 4 is parallel with main ring A3, and dust-proof baffle ring 4 is connected to the outside of dust cover, dust cover and dust-proof baffle ring phase
Connect L-shaped structure.
The stationary ring is made up of the main ring B6 of axial direction and the isolation ring gear 7 of radial direction, and wherein main ring B6 abuts in equipment end
In lid, a metallic framework 12 is embedded with main ring B, one end of the metallic framework 12 stretches out in main ring B periphery, for
Positioned between equipment end cap.
The section of main ring B6 inner headed face is wavy bulge-structure, and on the bulge-structure on main ring B6 and main ring A3
Bulge-structure it is interlaced coincide, be collectively forming a tortuous oil storage tank 8 between the two；The bottom of the main ring B6 is along axle
To backflow hole slot 10 in one is provided with, the interior backflow hole slot 10 connects oil storage tank 8 with annular seal space.
The isolation ring gear 7 is fixed on the side on outer boundary on main ring B6, and is sandwiched in dust cover 5 and dust-proof baffle ring 4
Inside；The side of isolation ring gear 7 is adjacent with dust cover 5, and the periphery of isolation ring gear 7 is adjacent with dust-proof baffle ring, and isolates tooth
A tortuous sewage groove 9, the sewage groove 9 and oil storage tank are collectively forming between ring 7, dust cover 5 and the three of dust-proof baffle ring 4
8 are connected.The curved projection in section of the periphery of described isolation ring gear 7, the section of the inner headed face of the dust-proof baffle ring 4 is in
Arc-shaped recess, and above-mentioned arc convex matches with arc-shaped recess.It is axially disposed on the inner headed face of the dust-proof baffle ring to have one
Sewage groove 9 is in communication with the outside by bar exteenal reflux hole slot 11, the exteenal reflux hole slot 11.
Claims (2)
- A kind of 1. dust-proof sealing device special, including at least the equipment end cap of rotary shaft and set on the rotating shaft, equipment end cap It is provided with the rotating ring and stationary ring of mutual cooperation between rotary shaft, moving ring sleeve is fixed on the rotating shaft and mutually, stationary ring with rotary shaft Equipment end is fixed on to cover, it is characterised in that：Main ring A and dust-proof baffle ring of the described rotating ring by axial direction, and radial direction are dust-proof Cover composition, three are connected to integral structure, and wherein main ring A covers on the rotating shaft, and the section of main ring A periphery is ripple The bulge-structure of wave-like；Dust cover is fixed on the side on outer boundary on main ring A, and the dust-proof baffle ring is parallel with main ring A, and anti- Dirt baffle ring is connected to the outside of dust cover, and dust cover is connected with each other L-shaped structure with dust-proof baffle ring；The stationary ring is by axial master Ring B and the isolation ring gear of radial direction composition, wherein main ring B is abutted in equipment end cap, and the section of main ring B inner headed face is wave The bulge-structure of shape, and the bulge-structure on main ring B and the bulge-structure on main ring A are interlaced identical, between the two jointly Form a tortuous oil storage tank；The bottom of the main ring B is axially disposed the hole slot that flowed back in one, the interior backflow hole slot Oil storage tank is connected with annular seal space；It is described isolation ring gear be fixed on the side on outer boundary main ring B on, and sandwiched in dust cover with The inside of dust-proof baffle ring；It is adjacent with dust cover to isolate the side of ring gear, it is adjacent with dust-proof baffle ring to isolate the periphery of ring gear, and every From being collectively forming a tortuous sewage groove, the sewage groove and oil storage tank between ring gear, dust cover and dust-proof baffle ring three It is connected；Axially disposed on the inner headed face of the dust-proof baffle ring to have an exteenal reflux hole slot, the exteenal reflux hole slot will store up dirty Groove is in communication with the outside；The curved projection in section of the periphery of described isolation ring gear, the inner headed face of the dust-proof baffle ring are cut The curved depression in face, and above-mentioned arc convex matches with arc-shaped recess.
- 2. dust-proof sealing device special according to claim 1, it is characterised in that：A metal is embedded with the main ring B Skeleton, one end of the metallic framework stretches out in main ring B periphery, for positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210892.1A CN106870737B (en) | 2017-03-31 | 2017-03-31 | Dust-proof sealing device special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210892.1A CN106870737B (en) | 2017-03-31 | 2017-03-31 | Dust-proof sealing device special |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870737A CN106870737A (en) | 2017-06-20 |
| CN106870737B true CN106870737B (en) | 2018-02-23 |
Family
ID=59159877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210892.1A Active CN106870737B (en) | 2017-03-31 | 2017-03-31 | Dust-proof sealing device special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870737B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175477A7 (en) * | 1972-03-06 | 1973-10-19 | Rulmeca Spa | |
| US5383549A (en) * | 1993-08-20 | 1995-01-24 | Precismeca Gesellschaft Fur Fordertechnik Mbh | Conveyor-belt cylinder |
| DE10208972A1 (en) * | 2002-02-28 | 2003-09-18 | Artur Kuepper Gmbh & Co Kg | Support roller for conveyor belt systems comprises a sealing assembly consisting of a large diameter and a small diameter labyrinth ring, a dust cover, and a rain-protection cap |
| DE10303125B3 (en) * | 2003-01-25 | 2004-11-11 | Artur Küpper GmbH & Co. KG | A bearing pulley with a cylindrical roll cover and an axle coaxial to it, a dust cover with an outer boss and an inner boss, and an axial rubber seal useful for conveyor units |
| CN102795458A (en) * | 2011-05-24 | 2012-11-28 | 湖南省映鸿科技有限公司 | Seal device for support roller |
| CN205089971U (en) * | 2015-10-16 | 2016-03-16 | 邓伦胜 | Independently arrange fat formula mixed type labyrinth seals device |
| CN205383266U (en) * | 2016-02-29 | 2016-07-13 | 邓伦胜 | Dredge tooth sealing device |
| CN205559740U (en) * | 2016-02-29 | 2016-09-07 | 邓伦胜 | Subdivision formula is grease discharging sealing device independently based on felt is sealed |
-
2017
- 2017-03-31 CN CN201710210892.1A patent/CN106870737B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175477A7 (en) * | 1972-03-06 | 1973-10-19 | Rulmeca Spa | |
| US5383549A (en) * | 1993-08-20 | 1995-01-24 | Precismeca Gesellschaft Fur Fordertechnik Mbh | Conveyor-belt cylinder |
| DE10208972A1 (en) * | 2002-02-28 | 2003-09-18 | Artur Kuepper Gmbh & Co Kg | Support roller for conveyor belt systems comprises a sealing assembly consisting of a large diameter and a small diameter labyrinth ring, a dust cover, and a rain-protection cap |
| DE10303125B3 (en) * | 2003-01-25 | 2004-11-11 | Artur Küpper GmbH & Co. KG | A bearing pulley with a cylindrical roll cover and an axle coaxial to it, a dust cover with an outer boss and an inner boss, and an axial rubber seal useful for conveyor units |
| CN102795458A (en) * | 2011-05-24 | 2012-11-28 | 湖南省映鸿科技有限公司 | Seal device for support roller |
| CN205089971U (en) * | 2015-10-16 | 2016-03-16 | 邓伦胜 | Independently arrange fat formula mixed type labyrinth seals device |
| CN205383266U (en) * | 2016-02-29 | 2016-07-13 | 邓伦胜 | Dredge tooth sealing device |
| CN205559740U (en) * | 2016-02-29 | 2016-09-07 | 邓伦胜 | Subdivision formula is grease discharging sealing device independently based on felt is sealed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870737A (en) | 2017-06-20 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171122 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Applicant after: New Polytron Technologies Inc in Hubei Address before: 435300 Dongfang garden, Cao he Town, Qichun County, Huanggang, Hubei Province, 5A-1-1301 Applicant before: Liu Lixia |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |