CN205446011U - Thin oil lubrication sealing mechanism - Google Patents
Thin oil lubrication sealing mechanism Download PDFInfo
- Publication number
- CN205446011U CN205446011U CN201620145648.2U CN201620145648U CN205446011U CN 205446011 U CN205446011 U CN 205446011U CN 201620145648 U CN201620145648 U CN 201620145648U CN 205446011 U CN205446011 U CN 205446011U
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- CN
- China
- Prior art keywords
- return
- oil
- bearing
- pump shaft
- returns
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- 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
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Abstract
The utility model provides a thin oil lubrication sealing mechanism, belongs to non -contact labyrinth seals technical field. This sealing mechanism includes bearing cover, bearing box, bearing, pump shaft and lag, and lag and bearing cover cooperate and constitute one and return oily structure and one and return the water structure. The lag adopts set screw to fix on the pump shaft, returns oily structure and contains to turn to with the pump shaft and opposite spirally return oil groove, oil trap, return the oilhole, returns the water structure and contains to turn to with the pump shaft and the same spirally return the basin, collect the chamber, return water hole, blade, and the blade setting is on returning oily structure and return the lag between the water structure, return the oil groove and return the basin setting on the lag, the oil trap with collect the chamber and set up on bearing cover. This sealing mechanism is close to bearing end processing spiral at the lag and returns the oil groove, is close to atmosphere end processing spiral at the lag and returns the basin, can effectively prevent lubricating oil to leak and prevent in the dirt ash and moisture entering bearing box in the atmosphere. The life of bearing and lubricating oil has been prolonged.
Description
Technical field
The present invention is a kind of thin oil lubricant sealing mechanism, belongs to contactless labyrinth seal technical field.
Background technology
Horizontal industrial pump structure pattern at present, near bearing housing side, there are mechanical seal or packing seal, they belong to axle envelope, closure pump inner high voltage liquid leaks at rotary shaft, because of its work under bad environment so belonging to consumable accessory, has liquid leakage in pump operating, it is directly entered in bearing housing, causes burn-out of bearing.Stoping the solution that lubricating oil leaks outside and liquid enters in bearing housing at present is to use tradition labyrinth seal, packing seal, mechanical type oil sealing, and these the most do not solve lubricating oil and enter the problem in bearing housing to outward leakage, outside liquid and dust.And also it is short to there is service life, cost is high, temperature arrising caused by friction is easily ignited, change troublesome problem, this unexpected damage of bearing is different from fatigue damage, cannot detect, the unexpected parking of industrial flow pump, whole production technology can be affected, its economic loss caused is difficult to estimate, therefore and thoroughly the industrial pump of one hundreds of thousands is scrapped, lot of domestic and international scientific research personnel is doing the research of this reverse side for many years, the mechanical type oil sealing occurred the most in recent years, it blocks lubricating oil conditionally and leaks outside and outside liquid entrance annular seal space, because pump component machining accuracy and installation accuracy are required higher by it, trouble is changed again due to its price height, service life is short, and popularize and use, can only use on a small quantity in important events.So major part industrial pump is still using traditional sealing means at present.
Summary of the invention
In order to overcome problems of the prior art, this utility model provides a kind of thin oil lubricant sealing mechanism.This sealing mechanism should return oil groove at protective jacket near bearing end processing spiral type, returns tank at protective jacket near atmosphere end processing spiral, it is possible to effectively stops lubricating oil to leak and prevents the dirt ash in air and moisture from entering in bearing housing.
The technical solution adopted in the utility model is: a kind of thin oil lubricant sealing mechanism, it includes bearing gland, bearing housing, bearing and pump shaft, the bearing being positioned on pump shaft is contained in bearing housing, it also includes a protective jacket, described protective jacket match with bearing gland composition one return oil structure and one return water-bound；Described protective jacket uses fixing screw to be fixed on pump shaft, described oil structure of returning comprises to turn to pump shaft and contrary spirally returns oil groove, oil trap, returns oilhole, the described water-bound that returns comprises to turn to pump shaft and identical spirally returns tank, collecting chamber, returns water hole, blade, described blade be arranged on return oil structure and return between water-bound protective jacket on；Described returning oil groove and return tank and be arranged on protective jacket, described oil trap and collecting chamber are arranged on bearing gland.
The described oilhole that returns is positioned at the extreme lower position of oil trap, described in return water hole and be positioned at the extreme lower position of collecting chamber.
The beneficial effects of the utility model are: this thin oil lubricant sealing mechanism includes bearing gland, bearing housing, bearing, pump shaft and protective jacket, protective jacket match with bearing gland composition one return oil structure and one return water-bound.Protective jacket uses fixing screw to be fixed on pump shaft, return oil structure to comprise to turn to pump shaft and contrary spirally return oil groove, oil trap, return oilhole, return water-bound to comprise to turn to pump shaft and identical spirally return tank, collecting chamber, return water hole, blade, blade be arranged on return oil structure and return between water-bound protective jacket on；Returning oil groove and return tank and be arranged on protective jacket, oil trap and collecting chamber are arranged on bearing gland.This sealing mechanism returns oil groove at protective jacket near bearing end processing spiral type, returns tank at protective jacket near atmosphere end processing spiral, it is possible to effectively stops lubricating oil to leak and prevents the dirt ash in air and moisture from entering in bearing housing.Extend the service life of bearing and lubricating oil.
Accompanying drawing explanation
Fig. 1 is a kind of thin oil lubricant sealed structure chart.
In figure: 1, bearing gland, 2, locating piece, 3, protective jacket, 4, return oil groove, 5, return tank, 6, fixing screw, 7, collecting chamber, 8, return water hole, 9, oil trap, 10, return oilhole, 11, bearing housing, 12, lubricating oil, 13, bearing, 14, blade, 15, pump shaft.
Detailed description of the invention
Referring to the drawings structure of the present utility model is described further.
Fig. 1 shows a kind of thin oil lubricant sealed structure chart.In figure, this thin oil lubricant sealing mechanism includes bearing gland 1, bearing housing 11, bearing 13, pump shaft 15 and protective jacket 3, the bearing 13 being positioned on pump shaft 15 is contained in bearing housing 11, protective jacket 3 match with bearing gland 1 composition one return oil structure and one return water-bound.Protective jacket 3 uses fixing screw 6 to be fixed on pump shaft 15, return oil structure to comprise to turn to pump shaft 15 and contrary spirally return oil groove 4, oil trap 9, return oilhole 10, returning water-bound to comprise to turn to pump shaft 15 and identical spirally return tank 5, collecting chamber 7, return water hole 8, blade 14, blade 14 is arranged on and returns on oil structure and the protective jacket 3 that returns between water-bound.Returning oil groove 4 and return tank 5 and be arranged on protective jacket 3, described oil trap 9 is arranged on bearing gland 1 with collecting chamber 7.Return oilhole 10 and be positioned at the extreme lower position of oil trap 9, described in return water hole 8 and be positioned at the extreme lower position of collecting chamber 7.
Use above-mentioned technical scheme, for stoping lubricating oil 12 to leak outside, on the left of protective jacket 3, process spiral return oil groove 4, pump shaft 15 is fixed screw 6 and is driven protective jacket 3 to rotate simultaneously when rotating, its thread rotary orientation is contrary with turning to of pump shaft 15, lubricating oil 12 is under centrifugal force and spiral return the effect of oil groove 4 so that it is the oil trap 9 being partly on bearing gland 1, by returning in the grease chamber that oilhole 10 returns in bearing housing after being extruded.Another part lubricating oil is returned oil groove 4 by spiral and sends back to the grease chamber in bearing housing 11 vertically.
Dust and liquid outside prevention enter in bearing housing 11, outside protective jacket 3, process spiral return tank 5, under centrifugal force and spiral return the effect of tank 5, dust and liquid make one part enter the collecting chamber 7 on bearing gland 1, discharging by returning water hole 8 after being extruded, another part is returned tank 5 by spiral and sends back to vertically in air.
For stoping further lubricating oil to leak outside and dust and liquid enter in bearing housing, being provided with blade 14 at protective jacket 3, blade 14 rotates the centrifugal force produced can increase the pressure of collecting chamber 7, stops outside dust and liquid to pass through, and also stops internal lubricating oil to pass through.
Locating piece 2 is to use when protective jacket 3 axially positions, it may ensure that the axial dimension of protective jacket 3 and bearing gland 1 reaches to design requirement, makes together with protective jacket 3 fixes with pump shaft 15 with fixing screw 6 afterwards, then is removed by locating piece 2.
Claims (2)
1. a thin oil lubricant sealing mechanism, it includes bearing gland (1), bearing housing (11), bearing (13) and pump shaft (15), the bearing (13) being positioned on pump shaft (15) is contained in bearing housing (11), it is characterized in that: further comprising a protective jacket (3), described protective jacket (3) match with bearing gland (1) composition one return oil structure and one return water-bound；Described protective jacket (3) uses fixing screw (6) to be fixed on pump shaft (15), described oil structure of returning comprises to turn to pump shaft (15) and contrary spirally returns oil groove (4), oil trap (9), returns oilhole (10), the described water-bound that returns comprises to turn to pump shaft (15) and identical spirally returns tank (5), collecting chamber (7), returns water hole (8), blade (14), described blade (14) be arranged on return oil structure and return between water-bound protective jacket (3) on；Described returning oil groove (4) and return tank (5) and be arranged on protective jacket (3), described oil trap (9) and collecting chamber (7) are arranged on bearing gland (1).
A kind of thin oil lubricant sealing mechanism the most according to claim 1, is characterized in that: described in return oilhole (10) and be positioned at the extreme lower position of oil trap (9), described in return water hole (8) and be positioned at the extreme lower position of collecting chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620145648.2U CN205446011U (en) | 2016-02-28 | 2016-02-28 | Thin oil lubrication sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620145648.2U CN205446011U (en) | 2016-02-28 | 2016-02-28 | Thin oil lubrication sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446011U true CN205446011U (en) | 2016-08-10 |
Family
ID=56582564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620145648.2U Expired - Fee Related CN205446011U (en) | 2016-02-28 | 2016-02-28 | Thin oil lubrication sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673729A (en) * | 2022-01-30 | 2022-06-28 | 山东省章丘鼓风机股份有限公司 | Combined labyrinth seal structure for bearing seat |
-
2016
- 2016-02-28 CN CN201620145648.2U patent/CN205446011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673729A (en) * | 2022-01-30 | 2022-06-28 | 山东省章丘鼓风机股份有限公司 | Combined labyrinth seal structure for bearing seat |
| CN114673729B (en) * | 2022-01-30 | 2023-11-24 | 山东省章丘鼓风机股份有限公司 | Combined labyrinth sealing structure for bearing pedestal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20200228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |