CN206280387U - The labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing - Google Patents
The labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing Download PDFInfo
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- CN206280387U CN206280387U CN201621266590.3U CN201621266590U CN206280387U CN 206280387 U CN206280387 U CN 206280387U CN 201621266590 U CN201621266590 U CN 201621266590U CN 206280387 U CN206280387 U CN 206280387U
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Abstract
The utility model is related to oil-sealing arrangement technical field, it is a kind of labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing, it includes rotating shaft, locating ring, axial-rotation ring, axial stationary ring and seal receptacle, locating ring is set with path section, step outside is sequentially provided with axial-rotation ring, axial stationary ring and seal receptacle from inside to outside, step is provided between axial-rotation ring outside and axial stationary ring inner side, seal boss and seal groove are provided between the outer limited ring dais right side of axial-rotation ring and axial stationary ring left side.The utility model reasonable and compact in structure, easy to use, when the spindle is rotated, the lubricating oil in bearing housing is through axial rotating ring and the gap left lateral of axially static interannular, the dual-seal of axially disposed step and radially arranged seal boss can be subject to, slip is low；After step is axially disposed, diameter is smaller, is difficult the failure that is worn, and the life-span is used in extension, reduces production cost；With it is laborsaving, easy, efficient the characteristics of.
Description
Technical field
The utility model is related to oil-sealing arrangement technical field, is a kind of labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing.
Background technology
It is radially distributed to have 3 roads close using the sealing device of radial labyrinth structure more than existing High-temperature Magnetic Pump bearing housing
Sealing groove, is diametrically sealed by three seals groove to bearing housing, but in actual use, the sealing of this form
Device can only be used 3 months or so, begin to reveal lubricating oil.Measured, being that seal clearance is exceeded causes, and exists straight
Footpath more general goal, the exceeded more situations in gap.Analysis reason, is that the swing and bounce of radial direction ring are off-axis more bigger at a distance, its mill
Damage stronger, cause two seals groove on the outside of the later stage easily to fail, only the 1st road sealing groove for actually sealing, when the 1st road
After seal groove abrasion is exceeded, the 2nd road and the 3rd road groove are exceeded just bigger, and whole sealing device failure causes such sealing device to make
With the time is short, it is bearing housing oil leakage, unhygienic, and it is higher frequently to change sealing device, production cost.
The content of the invention
The utility model provides a kind of labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing, overcomes above-mentioned prior art
Deficiency, the failure easy to wear that sealing device that it can effectively solve existing High-temperature Magnetic Pump bearing housing is present, bearing housing lubrication
It is oil leakage, unhygienic, and sealing device need to be frequently changed, the increased problem of production cost.
The technical solution of the utility model is realized by following measures：A kind of labyrinth of High-temperature Magnetic Pump bearing housing
Oil-sealing arrangement, including rotating shaft, locating ring, axial-rotation ring, axial stationary ring and seal receptacle, rotating shaft include dividing successively from left to right
The big footpath section and path section of cloth, are set with locating ring in path section, the external diameter of locating ring is more than the external diameter of big footpath section, locating ring
Left side is against on the step between big footpath section and path section, and step outside is sequentially provided with axial-rotation ring, axial static from inside to outside
Only ring and seal receptacle, are sealedly and fixedly connected together between axial-rotation ring inner side and the big footpath section of correspondence position, axial-rotation
Be provided with the step of at least one mutual cooperation between ring outside and axial stationary ring inner side vertically, and axial-rotation ring outside and
There is radial clearance between axial stationary ring inner side, axial-rotation ring left part upper end is fixed with the on the left of axial stationary ring
One outer limited ring dais, are radially provided with least cooperate together close between outer limited ring dais right side and axial stationary ring left side
Envelope boss and seal groove, seal receptacle inner side right part are provided with interior limited ring dais, and axial stationary ring outside is provided with positioned at interior limited ring dais
The second outer limited ring dais in left side, be provided with vertically between interior limited ring dais and the axial stationary ring of correspondence position at least together with O
Shape sealing ring, circumferentially there is at least two screwed holes outside seal receptacle.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Radial clearance between above-mentioned axial-rotation ring outside and axial stationary ring inner side can 0.15mm-0.25mm it
Between.
Axially distributed there can be at least 2 annular oil cavities between above-mentioned axial-rotation ring outside and axial stationary ring inner side.
Above-mentioned seal receptacle inner right side can be provided with the spill port communicated with the annular oil cavity on right side.
Left side opening can be provided between above-mentioned axial stationary ring left end and correspondence position seal receptacle and axial stationary ring three
Slagging channel, the right side of slagging channel communicates with the annular oil cavity in left side.
Above-mentioned axial stationary ring can be brass axial direction stationary ring；Axial-rotation ring is brass axial-rotation ring.
The utility model reasonable and compact in structure, easy to use, in axis of rotation, the lubricating oil in bearing housing is through axial direction
During gap left lateral between rotating ring and axial stationary ring, can be subject to stopping for axially disposed step, a small amount of lubricating oil is arrived
Radially arranged seal boss and seal groove can be subject to after up to left end again stops that dual-seal greatly reduces lubricating oil
Leakage probability, increased reliability of the present utility model；After step is axially disposed, diameter is smaller, is difficult the failure that is worn,
Extend service life of the present utility model, reduce production cost；With it is laborsaving, easy, efficient the characteristics of.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of the utility model most preferred embodiment.
Coding in accompanying drawing is respectively：1 is locating ring, and 2 is axial-rotation ring, and 3 is axial stationary ring, and 4 is seal receptacle, 5
It is big footpath section, 6 is path section, and 7 is O-ring seals, and 8 is screwed hole, and 9 is the first outer limited ring dais, and 10 is annular oil cavity, and 11 are
Oil-recovery tank, 12 is slagging channel, and 13 is seal boss, and 14 is seal groove, and 15 is interior limited ring dais, and 16 is the second outer spacing ring
Platform.
Specific embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in Figure 1, the labyrinth oil-sealing arrangement of the High-temperature Magnetic Pump bearing housing includes rotating shaft, locating ring 1, axial-rotation
Ring 2, axial stationary ring 3 and seal receptacle 4, rotating shaft include the big footpath section 5 being sequentially distributed from left to right and path section 6, in path section 6
Locating ring 1 is set with, the external diameter of the external diameter more than big footpath section 5 of locating ring 1, the left side of locating ring 1 is against big footpath section 5 and path section
On step between 6, step outside is sequentially provided with axial-rotation ring 2, axial stationary ring 3 and seal receptacle 4, axially rotation from inside to outside
It is sealedly and fixedly connected together between the inner side of change 2 and the big footpath section 5 of correspondence position,
The step of at least one mutual cooperation is provided between the outside of axial-rotation ring 2 and the axial inner side of stationary ring 3 vertically,
And there is radial clearance between the outside of axial-rotation ring 2 and the axial inner side of stationary ring 3, the left part upper end of axial-rotation ring 2 is fixed with
Positioned at the outer limited ring dais 9 in the left side of axial stationary ring 3, radially set between the right side of outer limited ring dais 9 and the axial left side of stationary ring 3
There are the seal boss 13 and seal groove 14 at least cooperating together, the inner side right part of seal receptacle 4 is provided with interior limited ring dais 15, axially
The outside of stationary ring 3 is provided with the second outer limited ring dais 16 positioned at the left side of interior limited ring dais 15, interior limited ring dais 15 and correspondence position
Axial stationary ring 3 between be provided with least one O-ring seals 7 vertically, circumferentially have at least two outside seal receptacle 4
Screwed hole 8.Can be vertically provided between the inner side of axial-rotation ring 2 and the big footpath section 5 of correspondence position can at least make axial direction together
The O-ring seals 7 that rotating ring 2 is rotated with big footpath section 5, during using the utility model, first by seal receptacle 4 is by screwed hole 8 and determines
Position bolt is fixedly mounted on the housing left side of bearing housing, and the ring long on the left of bearing is against on the seal receptacle 4 on the right side of locating ring 1, close
Envelope seat 4 is that axial-rotation ring 2 and axial stationary ring 3 improve axial compressive force, axial-rotation ring 2 and axial stationary ring 3 is risen
To preferable sealing function, during axis of rotation, the lubricating oil in bearing housing is through between axial rotating ring 2 and axial stationary ring 3
During the left lateral of gap, can be subject to stopping for axially disposed step, can be subject to again radially after a small amount of lubricating oil for reaching left end
The stop of the seal boss 13 and seal groove 14 of arrangement, greatly reduces the leakage probability of lubricating oil；After step is axially disposed,
Diameter is smaller, and being difficult to be ground causes failure, extends service life of the present utility model, reduces production cost.
Can according to actual needs, the labyrinth oil-sealing arrangement of above-mentioned High-temperature Magnetic Pump bearing housing is made further optimization or/and
Improve：
As shown in Figure 1, the radial clearance between the outside of axial-rotation ring 2 and the axial inner side of stationary ring 3 is in 0.15mm-
Between 0.25mm.Radial clearance between the outside of axial-rotation ring 2 and the axial inner side of stationary ring 3 is arranged on 0.15mm-
Between 0.25mm, will not stop that axial rotating ring 2 is rotated with big footpath section 5, reduces the outside of axial-rotation ring 2 and axial stationary ring 3
While contact surface abrasion degree, the oil leakage in bearing housing is prevented, it is ensured that mechanical sealing effect of the present utility model.
As shown in Figure 1, it is axially distributed between the outside of axial-rotation ring 2 and the axial inner side of stationary ring 3 to have at least 2 rings
Shape oil pocket 10.Air in annular oil cavity 10 can stop lubricating oil left lateral, be buffered the lubricating oil crossed through it, it is ensured that sealing
Effect.
As shown in Figure 1, the inner right side of seal receptacle 4 is provided with the oil-recovery tank 11 communicated with the annular oil cavity 10 on right side.Set
After oil-recovery tank 11, the lubricant grease in annular oil cavity 10 can be returned inside bearing housing along it, further prevent oil leakage.
As shown in Figure 1, it is provided between the left end of axial stationary ring 3 and correspondence position seal receptacle 4 and the axial three of stationary ring 3
The slagging channel 12 of left side opening, the right side of slagging channel 12 communicates with the annular oil cavity 10 in left side.It is high with the carrying out of production
A certain amount of impurity, impurity can be produced once to enter sealing device with lubricating oil in warm magnetic drive pump bearing case, sealing can be accelerated to fill
The abrasion put, after slagging channel 12 will be arranged outside impurity, can extend service life of the present utility model, reduce production cost.
As needed, axial stationary ring 3 is brass axial direction stationary ring；Axial-rotation ring 2 is brass axial-rotation ring.Brass
High with hardness, anti abrasive feature enhances wearability of the present utility model, increases the service life.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
Claims (7)
1. a kind of labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing, it is characterised in that including rotating shaft, locating ring, axial-rotation
Ring, axial stationary ring and seal receptacle, rotating shaft include the big footpath section being sequentially distributed from left to right and path section, are set with path section
Locating ring, the external diameter of the external diameter more than big footpath section of locating ring is against the step between big footpath section and path section on the left of locating ring
On, step outside is sequentially provided with axial-rotation ring, axial stationary ring and seal receptacle, axial-rotation ring inner side and correspondence from inside to outside
It is sealedly and fixedly connected together between the big footpath section of position, is set vertically between axial-rotation ring outside and axial stationary ring inner side
Have between the step of at least one mutual cooperation, and axial-rotation ring outside and axial stationary ring inner side and there is radial clearance, axle
The first outer limited ring dais on the left of axial stationary ring, outer limited ring dais right side and axial direction are fixed with to rotating ring left part upper end
The seal boss and seal groove at least cooperating together are radially provided between stationary ring left side, seal receptacle inner side right part is provided with
Interior limited ring dais, axial stationary ring outside is provided with the second outer limited ring dais on the left of interior limited ring dais, interior limited ring dais and
At least one O-ring seals are provided between the axial stationary ring of correspondence position vertically, circumferentially have outside seal receptacle to
Few two screwed holes.
2. the labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing according to claim 1, it is characterised in that axial-rotation ring
Radial clearance between outside and axial stationary ring inner side is between 0.15mm-0.25mm.
3. the labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing according to claim 1 and 2, it is characterised in that axial-rotation
It is axially distributed between ring outside and axial stationary ring inner side to have at least 2 annular oil cavities.
4. the labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing according to claim 3, it is characterised in that inside seal receptacle
Right side is provided with the spill port communicated with the annular oil cavity on right side.
5. the labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing according to claim 3, it is characterised in that axial stationary ring
The slagging channel of left side opening, the right side of slagging channel are provided between left end and correspondence position seal receptacle and axial stationary ring three
Communicated with the annular oil cavity in left side.
6. the labyrinth oil-sealing arrangement of the High-temperature Magnetic Pump bearing housing according to claim 1 or 2 or 4 or 5, it is characterised in that axle
It is brass axial direction stationary ring to stationary ring；Axial-rotation ring is brass axial-rotation ring.
7. the labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing according to claim 3, it is characterised in that axial stationary ring
It is brass axial direction stationary ring；Axial-rotation ring is brass axial-rotation ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266590.3U CN206280387U (en) | 2016-11-24 | 2016-11-24 | The labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266590.3U CN206280387U (en) | 2016-11-24 | 2016-11-24 | The labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280387U true CN206280387U (en) | 2017-06-27 |
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ID=59083352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621266590.3U Active CN206280387U (en) | 2016-11-24 | 2016-11-24 | The labyrinth oil-sealing arrangement of High-temperature Magnetic Pump bearing housing |
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| CN (1) | CN206280387U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757749A (en) * | 2018-07-17 | 2018-11-06 | 安徽南方化工泵业有限公司 | A kind of labyrinth oil-sealing arrangement for High-temperature Magnetic Pump bearing housing |
| CN109519544A (en) * | 2018-12-19 | 2019-03-26 | 常熟长城轴承有限公司 | A kind of electric main shaft sealing construction |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
-
2016
- 2016-11-24 CN CN201621266590.3U patent/CN206280387U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757749A (en) * | 2018-07-17 | 2018-11-06 | 安徽南方化工泵业有限公司 | A kind of labyrinth oil-sealing arrangement for High-temperature Magnetic Pump bearing housing |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
| CN109597265B (en) * | 2018-12-11 | 2020-12-22 | 河北汉光重工有限责任公司 | Fixed clamping mechanism of super hemisphere spherical cover in dive imaging system |
| CN109519544A (en) * | 2018-12-19 | 2019-03-26 | 常熟长城轴承有限公司 | A kind of electric main shaft sealing construction |
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