CN104747731A - Shaft oil seal device - Google Patents
Shaft oil seal device Download PDFInfo
- Publication number
- CN104747731A CN104747731A CN201310745248.6A CN201310745248A CN104747731A CN 104747731 A CN104747731 A CN 104747731A CN 201310745248 A CN201310745248 A CN 201310745248A CN 104747731 A CN104747731 A CN 104747731A
- Authority
- CN
- China
- Prior art keywords
- oil
- sealing sleeve
- bearing
- seal sleeve
- shaft
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4472—Labyrinth packings with axial path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention relates to a shaft oil seal device. The shaft oil seal device comprises an oil pool, an oil pool wall board, a bearing placed in a bearing hole of the oil pool wall board, a shaft, an inner sealing sleeve and an outer sealing sleeve. The shaft is supported on the oil pool wall board through the bearing, and the inner sealing sleeve is tightly sleeved with the bearing on the shaft; the outer sealing sleeve is meshed with the inner sealing sleeve in a hooked and sleeved manner, and a micro gap is reserved between the inner sealing sleeve and the outer sealing sleeve. A front oil returning groove and a rear oil returning groove are formed in the two ends where the inner sealing sleeve and the outer sealing sleeve are hooked in a sleeved manner; and oil returning groove hole leading to the oil pool through the wall board are formed in the position, arranged on the front oil returning groove and the rear oil returning groove, of the lower side of the outer sealing sleeve. The shaft oil seal device has the advantages that the sealing effect is good, the seal device is not provided with motion parts mutually in contact, abrasion is not generated, and the service life is long.
Description
(1) technical field
The present invention relates to a kind of crossing high-pressure oil sump wallboard shaft seal.
(2) background technique
At mechanical field, comprise crank case of internal combustion engine, various parameter case, transmission case, roots blower gear-box etc., extreme pressure lubricant is had in case during work, axle all spreads out of casing, the box body hole that case inner high voltage oil passes from axle outwards overflows the technical barrier becoming mechanical field, or sealing effect is bad or the seal arrangement quick abrasion life-span is short, as reinforced seal, seal ring sealing etc.
(3) summary of the invention
The object of the invention is to the above-mentioned deficiency overcoming existing shafting oil seal arrangement, the shafting oil seal arrangement of a kind of good sealing effect, life-span length is provided.
The technological scheme realizing the object of the invention is: it comprise oil sump, oil sump wallboard, the bearing be placed in oil sump wallboard bearing hole, by bearings in the axle of oil sump wallboard, the inner seal sleeve be placed on outside axle upper bearing (metal), nibble mutually to hook with inner seal sleeve and overlap but leave the outer seal sleeve of micro gap, inner seal sleeve and outer seal sleeve hook and overlap two oil-return grooves that the two ends hooked are provided with front and back, and before and after outer seal sleeve is following, oil-return groove has the oil return slotted eye by the sensible oil sump of wallboard.
In order to better realize its object, between inner seal sleeve upper bearing (metal) and outer seal sleeve, also cover has oil baffle.
In such scheme, if do not consider the lubrication of bearing, then in outer seal sleeve can with bearing replacing position.
Due to said structure of the present invention, axle rotary seal overcoat maintains static dynamic, sealing inner sleeve is rotated with axle, leak the gap of lubricant oil between baffle plate and axle sleeve, pointed tooth sealing place is hooked to sealing inner sleeve, because gap is little, lubricant oil is most gets back to oil sump to along sealing inner sleeve inclined-plane, and last traces Leakage Energy enters hermetically sealed case deep gouge by clearance seal oil, and sinks to lower end along groove periphery, oil sump is got back to by spill port, realize the sealing effect that it is good, meanwhile, the movement parts that seal arrangement does not contact with each other, do not produce wearing and tearing, long service life.
(4) accompanying drawing explanation
Fig. 1 is front sectional view of the present invention.
(5) embodiment
Be described further below in conjunction with accompanying drawing, but be not limited only to this.
As shown in the figure, it comprise oil sump 1, oil sump wallboard 2, the bearing 3 be placed in oil sump wallboard 2 bearing hole, be supported in by bearing 3 oil sump wallboard 2 axle 4, be closely placed on inner seal sleeve 5 outside axle 4 upper bearing (metal) 3 and inner seal sleeve 5 and nibble mutually to hook and overlap but leave the outer seal sleeve 6 of micro gap, the oil baffle (10) between inner seal sleeve 5 upper bearing (metal) 3 and outer seal sleeve 6, the two ends that inner seal sleeve 5 and outer seal sleeve 6 hook cover hook are provided with front and back oil-return groove 7 and 8, and before and after outer seal sleeve 6 is following, oil-return groove has the oil return slotted eye 9 by the sensible oil sump 4 of wallboard 1.
Claims (2)
1. a shafting oil seal arrangement, it is characterized in that: comprise oil sump (1), oil sump wallboard (2), be placed in the bearing (3) in oil sump wallboard (2) bearing hole, the axle (4) of oil sump wallboard (2) is supported in by bearing (3), it is characterized in that: it also have as shown in the figure be closely placed on axle (4) upper bearing (metal) (3) inner seal sleeve outward (5), nibble mutually to hook with inner seal sleeve (5) and overlap but leave micro gap and the outer seal sleeve (6) formed, the two ends that inner seal sleeve (5) and outer seal sleeve (6) hook cover hook are configured with front and back oil-return groove (7) and (8), outer seal sleeve (6) below front and back oil-return groove (7) and (8) accesses oil sump (1) by oil return slotted eye (9).
2. shafting oil seal arrangement according to claim 1, is characterized in that: between inner seal sleeve (5) upper bearing (metal) (3) and outer seal sleeve (6), also cover has oil baffle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745248.6A CN104747731A (en) | 2013-12-27 | 2013-12-27 | Shaft oil seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745248.6A CN104747731A (en) | 2013-12-27 | 2013-12-27 | Shaft oil seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747731A true CN104747731A (en) | 2015-07-01 |
Family
ID=53587837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745248.6A Pending CN104747731A (en) | 2013-12-27 | 2013-12-27 | Shaft oil seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747731A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108884928A (en) * | 2016-09-28 | 2018-11-23 | 株式会社小松制作所 | Power transmission |
| CN111396566A (en) * | 2020-04-24 | 2020-07-10 | 湖南三一快而居住宅工业有限公司 | Shaft end sealing structure and material distributor |
| CN115199581A (en) * | 2022-07-29 | 2022-10-18 | 山东省章丘鼓风机股份有限公司 | An oil seal shaft sleeve and fan bearing box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259628A (en) * | 1992-07-23 | 1993-11-09 | Reliance Electric Industrial Company | Seal assembly |
| JPH08159163A (en) * | 1994-11-30 | 1996-06-18 | Ntn Corp | Plummer block |
| CN2530090Y (en) * | 2002-04-05 | 2003-01-08 | 张云龙 | Improved rolling bearing seat of main bearing of ball mill |
| CN101265976A (en) * | 2008-06-10 | 2008-09-17 | 宁波凯特机械有限公司 | Mechanical seal device for a rotary shaft |
| CN102170189A (en) * | 2011-04-01 | 2011-08-31 | 山西防爆电机（集团）有限公司 | Floating sealing ring bearing chamber of motor |
| CN202338510U (en) * | 2011-12-13 | 2012-07-18 | 沈阳鼓风机集团股份有限公司 | Bearing oil seal device |
-
2013
- 2013-12-27 CN CN201310745248.6A patent/CN104747731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259628A (en) * | 1992-07-23 | 1993-11-09 | Reliance Electric Industrial Company | Seal assembly |
| JPH08159163A (en) * | 1994-11-30 | 1996-06-18 | Ntn Corp | Plummer block |
| CN2530090Y (en) * | 2002-04-05 | 2003-01-08 | 张云龙 | Improved rolling bearing seat of main bearing of ball mill |
| CN101265976A (en) * | 2008-06-10 | 2008-09-17 | 宁波凯特机械有限公司 | Mechanical seal device for a rotary shaft |
| CN102170189A (en) * | 2011-04-01 | 2011-08-31 | 山西防爆电机（集团）有限公司 | Floating sealing ring bearing chamber of motor |
| CN202338510U (en) * | 2011-12-13 | 2012-07-18 | 沈阳鼓风机集团股份有限公司 | Bearing oil seal device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108884928A (en) * | 2016-09-28 | 2018-11-23 | 株式会社小松制作所 | Power transmission |
| CN111396566A (en) * | 2020-04-24 | 2020-07-10 | 湖南三一快而居住宅工业有限公司 | Shaft end sealing structure and material distributor |
| CN115199581A (en) * | 2022-07-29 | 2022-10-18 | 山东省章丘鼓风机股份有限公司 | An oil seal shaft sleeve and fan bearing box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201383727Y (en) | Oil-containing sliding bearing system and motor using same | |
| CN104747731A (en) | Shaft oil seal device | |
| CN203189693U (en) | Self-backflow type sealing structure of rail vehicle gear case | |
| CN104565314A (en) | Gearbox sealing mechanism | |
| CN201412496Y (en) | Speed reducer | |
| CN104074955A (en) | Self-backflow type sealing structure of railway vehicle gear box | |
| CN203356614U (en) | Oil-blocking and water-proof structure at front end of main shaft of horizontal lathe | |
| CN105351366A (en) | Bearing end cap seal device | |
| CN107829839B (en) | Low-pressure oil cavity structure of cylinder body | |
| CN102121409B (en) | Lubricating oil channel for right crankcase of engine | |
| CN202220846U (en) | Interaxial differential lubricating structure of through type drive axle and vehicle provided with same | |
| CN203230735U (en) | Shaft sleeve | |
| CN204212897U (en) | Adopt the water turbine for cooling tower main shaft structure of grease lubrication | |
| CN105485320B (en) | Splashing lubricating type gear transmission case | |
| CN203395152U (en) | Oil baffle plate type structure for preventing oil leakage and seepage of ventilation plug | |
| CN204572111U (en) | A kind of engine sump tank | |
| CN202971928U (en) | Dust-proof oil seal | |
| CN204437241U (en) | A kind of gearbox sealing mechanism | |
| CN102434247A (en) | Lubricating structure of engine rear power take-off device | |
| CN204372178U (en) | A kind of oil sealing with double-layer sealing structure | |
| CN203627552U (en) | Novel bearing pedestal | |
| CN204533188U (en) | A kind of deep groove ball bearing of high sealing | |
| CN201679706U (en) | Pump bearing body oil seal device | |
| CN204664409U (en) | A kind of new construction bearing body part | |
| CN103291650B (en) | A kind of circulating pump sealing structure under negative-pressure/normal-pressure state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |