CN106870737A - Dust-proof sealing device special - Google Patents
Dust-proof sealing device special Download PDFInfo
- Publication number
- CN106870737A CN106870737A CN201710210892.1A CN201710210892A CN106870737A CN 106870737 A CN106870737 A CN 106870737A CN 201710210892 A CN201710210892 A CN 201710210892A CN 106870737 A CN106870737 A CN 106870737A
- Authority
- CN
- China
- Prior art keywords
- ring
- dust
- main
- main ring
- proof
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 34
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000010992 reflux Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000004519 grease Substances 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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, at least include rotating ring and stationary ring, rotating ring is made up of axial main ring A and dust-proof baffle ring, and the dust cover of radial direction, three is connected to integral structure, and the section of the periphery of main ring A 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 the inner headed face of main ring B is coincide for the bulge-structure on the bulge-structure and main ring A on wavy bulge-structure, and main ring B is interlaced, and an oil storage tank is collectively forming between the two；The isolation ring gear is fixed on the side on outer boundary on main ring B；Isolate ring gear, a sewage groove for complications is collectively forming between 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 the lubricant grease in annular seal space can be sealed again.
Description
Technical field
The invention provides a kind of sealing device in bearing, more particularly to a kind of good sealing dress of anti-dust performance
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, one is formed between tooth and tooth and is
Row dam gap with expansion cavity, and sealed medium produces throttle effect at the gap by tortuous labyrinth and reaches Drain Resistance
The device of purpose.Due to labyrinth seal rotor and casing between there is gap, without solid contact, and allowed thermal expansion, therefore
Adapt to high temperature, high pressure, the occasion of speed-frequency high, 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, there is the oil of some splashings in working environment
Dirt, sewage, dust etc., this requires that sealing device must have fabulous anti-dust performance, prevents greasy dirt, sewage, the powder in the external world
Dirt enters in annular seal space.But a kind of i.e. simple structure is there is no in the art and with the sealing of good anti-dust performance
Device.
The content of the invention
The invention provides a kind of dust-proof sealing device special, the apparatus structure is simple, favorable sealing property, can completely cut off
Greasy dirt, sewage, dust that the external world splashes etc. enters annular seal space, while the lubricant grease in annular seal space can be sealed again.
Realize technical scheme that above-mentioned purpose of the present invention used for：
A kind of dust-proof sealing device special, at least the equipment end cap including rotary shaft and set on the rotating shaft, equipment end
The rotating ring and stationary ring of mutual cooperation are provided between lid and rotary shaft, moving ring sleeve is mutually fixed on the rotating shaft and with rotary shaft, quiet
Ring is fixed on equipment end and covers, and described rotating ring is made up of axial main ring A and dust-proof baffle ring, and the dust cover 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 the periphery of main ring A 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 the inner headed face of main ring B is wavy convex
The bulge-structure risen on the bulge-structure and main ring A in structure, and main ring B is interlaced identical, and one is collectively forming 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, and the interior backflow hole slot is by oil storage
Groove is connected 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；The side for isolating ring gear is adjacent with dust cover, and the periphery for isolating ring gear is adjacent with dust-proof baffle ring, and isolation tooth
A sewage groove for complications 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 the periphery of main ring B, used
In positioning.
When in use, dust cover and dust-proof baffle ring can stop portion big absolutely to the dust-proof sealing device special that the present invention is provided
Greasy dirt, sewage, dust that exceptionally boundary splashes, 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 obstruct.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, the dirt that this new provided dust-proof sealing device special can be to external world forms triple
Intercept, prevent extraneous dirt from entering annular seal space.
Brief description of the drawings
The overall structure diagram of the dust-proof sealing device special that Fig. 1 is provided for the present 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
Backflow hole slot, 11- exteenal reflux hole slots, 12- metallic frameworks in ring, 8- oil storage tanks, 9- sewage grooves, 10-.
Specific 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 the dust-proof sealing device special that the present invention is provided is as shown in figure 1, at least include rotary shaft 1 and be enclosed within to 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 the main ring A3 of axial direction and anti-
Dirt baffle ring 4, and the dust cover 5 of radial direction is constituted, and three is connected to integral structure, and wherein main ring A3 is enclosed within rotary shaft 1
On, the section of the periphery of main ring A3 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
Lid in, a metallic framework 12 is embedded with main ring B, one end of the metallic framework 12 stretches out in the periphery of main ring B, for
Positioned between equipment end cap.
The section of the inner headed face of main ring B6 is on bulge-structure and main ring A3 on wavy bulge-structure, and main ring B6
Bulge-structure it is interlaced coincide, an oil storage tank for complications 8 is collectively forming between the two；The bottom of the main ring B6 is along axle
To backflow hole slot 10 in 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 for isolating ring gear 7 is adjacent with dust cover 5, and the periphery for isolating ring gear 7 is adjacent with dust-proof baffle ring, and isolation tooth
A sewage groove for complications 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
Be in communication with the outside for sewage groove 9 by bar exteenal reflux hole slot 11, the exteenal reflux hole slot 11.
Claims (3)
1. a kind of dust-proof sealing device special, at least the equipment end cap including rotary shaft and set on the rotating shaft, equipment end cap
The rotating ring and stationary ring of mutual cooperation are provided between rotary shaft, moving ring sleeve is mutually fixed on the rotating shaft and with rotary shaft, stationary ring
Equipment end is fixed on to cover, it is characterised in that：Described rotating ring by axial direction main ring A and dust-proof baffle ring, and radial direction is dust-proof
Cover composition, three is connected to integral structure, and wherein main ring A covers on the rotating shaft, and the section of the periphery of main ring A 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
The isolation ring gear composition of ring B and radial direction, wherein main ring B is abutted in equipment end cap, and the section of the inner headed face of main ring B is wave
The bulge-structure on bulge-structure and main ring A on the bulge-structure of shape, and main ring B is interlaced identical, between the two jointly
Form an oil storage tank for complications；The bottom of the main ring B is axially disposed the hole slot that flowed back in, 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；The side for isolating ring gear is adjacent with dust cover, and the periphery for isolating ring gear is adjacent with dust-proof baffle ring, and every
A sewage groove for complications, the sewage groove and oil storage tank are collectively forming 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.
2. dust-proof sealing device special according to claim 1, it is characterised in that：The periphery of described isolation ring gear
The curved projection in section, the curved depression in section of the inner headed face of the dust-proof baffle ring, and above-mentioned arc convex and arc-shaped recess
Match.
3. 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 the periphery of main ring B, 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 true CN106870737A (en) | 2017-06-20 |
| CN106870737B 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 |
|---|---|
| CN106870737B (en) | 2018-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |