CN203857050U - Detachable high-pressure oil seal - Google Patents
Detachable high-pressure oil seal Download PDFInfo
- Publication number
- CN203857050U CN203857050U CN201420272354.7U CN201420272354U CN203857050U CN 203857050 U CN203857050 U CN 203857050U CN 201420272354 U CN201420272354 U CN 201420272354U CN 203857050 U CN203857050 U CN 203857050U
- Authority
- CN
- China
- Prior art keywords
- seal
- resistant
- pressure oil
- oil seal
- metal framework
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 abstract description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 229910052731 fluorine Inorganic materials 0.000 abstract description 6
- 239000011737 fluorine Substances 0.000 abstract description 6
- 239000005060 rubber Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 20
- 230000006378 damage Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- -1 ageing-resistant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a detachable high-pressure oil seal which comprises a metal framework, a seal body, a self-tightening spring and special holes. The special holes are formed in the metal framework, the seal body is adhered on the metal framework, and the self-tightening spring is arranged on the seal body. The detachable high-pressure oil seal has the advantages that the seal body is made of fluorine rubber, the fluorine rubber is good in stability and long in service life and is high-temperature-resistant, acid-resistant, alkali-resistant, ageing-resistant and oil-resistant, accordingly, the maintenance cycle can be prolonged, and the detachable high-pressure oil seal is low in relative cost and easy to mount and detach; the special holes are formed in the metal framework by the aid of a method and a device for modifying the framework of the oil seal, accordingly, the convenience in detaching the oil seal can be effectively improved by the aid of special tools, and effects of a safety valve can be realized.
Description
Technical field
The utility model relates to hydraulic pump motor technical field, and especially one is convenient to dismantle High-pressure oil sealing.
Background technique
In recent years, the develop rapidly of hydraulic pump motor technical field, is the indispensable element of machinery.High-pressure oil sealing arises at the historic moment, and has met sealing and the dustproof effect of many machinery.The material selection nitrile butadiene rubber of the oil sealing of at present general oil sealing, its chemical property is not very stable, resistance to high temperature is not strong, selected fluorine rubber for this reason, it is that in current all elastomers, medium-resistance is best, due to Sealing will with equipment on cavity and axle assembling, but still keep away unavoidably and can damage cavity and axle in dismounting, and in the time that sealing medium transships, pressure is excessive, cannot pressure release, can work the mischief to personnel and equipment, these problems have become the significant problem of field of sealing technology.For addressing these problems, the special one that proposes is convenient to dismantle High-pressure oil sealing.
Model utility content
For the problems referred to above, the utility model aim to provide a kind of dismounting difficulty that can solve oil sealing and the problem that easily equipment damaged be convenient to dismantle High-pressure oil sealing.
For realizing this technical purpose, scheme of the present utility model is:
One is convenient to dismantle High-pressure oil sealing, comprises metal frame, seal, self-tightening spring and special hole, and described metal frame is provided with special hole, and described seal is bonded on metal frame, and described self-tightening spring is arranged on seal.
As preferably, described special hole is provided with two, and becomes axisymmetric.
The material of the utility model seal adopts fluorine rubber, fluorine rubber good stability, and it is high temperature resistant, acid resistant alkali, ageing-resistant, oil resistant, long service life, extend service cycle, and relative cost is low, be easy to installation and removal, by the method and apparatus of transformation oil tight skeleton, on metal frame, there is special hole, can utilize special tool, the convenience that effectively improves dismounting oil sealing, has also played the effect of safety valve simultaneously.
Brief description of the drawings
Fig. 1 is sectional drawing of the present utility model;
Fig. 2 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1-2, the utility model embodiment's one is convenient to dismantle High-pressure oil sealing, comprise metal frame 1, seal 2, self-tightening spring 3 and special hole 4, described metal frame 1 is provided with special hole 4, described seal 2 is bonded on metal frame 1, and described self-tightening spring 3 is arranged in seal 2.
As preferably, described special hole 4 is provided with two, and becomes axisymmetric.
The utility model suppresses by metal frame 1 and the seal 2 of self-tightening spring 3 and employing fluorine rubber material the integral structure forming.In the time of work, oil seal lip is under radial compression applied, form 0.25mm to the wide sealing contact endless belt of 0.5mm, under lubricating oil pressure effect, fluid infiltrates formation one deck oil film as thin as a wafer between oil sealing cutting edge and rotating shaft, oil film is subject to the capillary effect of fluid, prevents that in rotating shaft and oil sealing cutting edge outer formation one " new lunar surface " fluid is excessive, plays seal action.In the time that oil sealing need be dismantled because of any reason, owing to there being special hole 4 on metal frame 1, making special tool is inlet point by hole, and very easy removal is got off, and does not injure other any positions.In the time that oil sealing need to be changed, utilize special tool, can directly pull up by special hole 4, and in the time that sealed medium pressure is excessive, from formula P=F/S, in the time that pressure medium is excessive, hole place caulking gum can be broken through, to reduce pressure, avoid that pressure is excessive causes damage, play the effect of safety valve, avoided the injury to equipment cavity or axle and bearing.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle amendment that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solutions of the utility model.
Claims (2)
1. be convenient to dismantle a High-pressure oil sealing, it is characterized in that: comprise metal frame, seal, self-tightening spring and special hole, described metal frame is provided with special hole, and described seal is bonded on metal frame, described self-tightening spring is arranged on seal.
2. one according to claim 1 is convenient to dismantle High-pressure oil sealing, it is characterized in that: described special hole is provided with two, and becomes axisymmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272354.7U CN203857050U (en) | 2014-05-27 | 2014-05-27 | Detachable high-pressure oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272354.7U CN203857050U (en) | 2014-05-27 | 2014-05-27 | Detachable high-pressure oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203857050U true CN203857050U (en) | 2014-10-01 |
Family
ID=51606902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420272354.7U Expired - Lifetime CN203857050U (en) | 2014-05-27 | 2014-05-27 | Detachable high-pressure oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203857050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575580A (en) * | 2017-07-26 | 2018-01-12 | 盐城润浩密封件科技有限公司 | A kind of hydraulic oil sealing of high-pressure rotary machine |
| CN109027238A (en) * | 2018-09-27 | 2018-12-18 | 安徽龙川橡塑科技有限公司 | A kind of framework dustproof loop |
-
2014
- 2014-05-27 CN CN201420272354.7U patent/CN203857050U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575580A (en) * | 2017-07-26 | 2018-01-12 | 盐城润浩密封件科技有限公司 | A kind of hydraulic oil sealing of high-pressure rotary machine |
| CN109027238A (en) * | 2018-09-27 | 2018-12-18 | 安徽龙川橡塑科技有限公司 | A kind of framework dustproof loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
|
| CX01 | Expiry of patent term |