CN201412512Y - Combined oil seal - Google Patents
Combined oil seal Download PDFInfo
- Publication number
- CN201412512Y CN201412512Y CN2009200419113U CN200920041911U CN201412512Y CN 201412512 Y CN201412512 Y CN 201412512Y CN 2009200419113 U CN2009200419113 U CN 2009200419113U CN 200920041911 U CN200920041911 U CN 200920041911U CN 201412512 Y CN201412512 Y CN 201412512Y
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- CN
- China
- Prior art keywords
- sleeve
- oil sealing
- ring
- panel
- rubber
- 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
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- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to a combined oil seal, comprising a sleeve around a rotating shaft, a ring matched with the size matched with the oil seal, a faceplate of a panel, and a main oil seal partwhich is slantly leaned against the outer surface of the sleeve. With the structure, the whole body can have the functions of dust prevention, slurry prevention, weed prevention and oil leakage prevention, has good sealing performance and can prolong the service life of the machine.
Description
[technical field]
The utility model relates to a kind of combined type oil sealing, and is good oil-proof and do not make mud enter the combined type oil sealing of fuel tank in particular to a kind of sealing.
[background technique]
As everyone knows, at present generally in response to the action of machinery, can establish class component on the axle with oil sealing, internal lubrication oil has leakage when mainly being to prevent start, and can prevent that the intrusion of dust and dirt mud and weeds from destroying internal works, yet the oil seal structure on city's field boundary is being implemented some drawback below the appearance often at present:
1, oil sealing sealing is not good, not only can't dirt lip mud and weeds infiltrate, more make the parts oxidation corrosion and the wearing and tearing of inside.
2, the lubricant oil of oil sealing inside has the phenomenon of leakage, and often makeup oil constantly causes waste.
3, must usually inspect the internal works situation, maintenance and maintenance expenses are big.
In addition, a kind of oil seal structure of tool double cone face is arranged, though substituted the device of present oil sealing, and also improved the drawback of oil sealing use in the past, this structure causes the Consumer effectively to apply also because of being fit to limiting factors such as large scale and high cost.
[model utility content]
In order to overcome above-mentioned deficiency, the purpose of this utility model is: design a kind of combined type oil sealing, its good seal performance; be applicable to that various model machineries use; make lubricant oil in the machinery do not leak, do not waste, without makeup oil, it is inner that weeds and dust and dirt can not invade machinery, the protection parts.And wear-resistant, corrosion-resistant, low, the low price of cost can be widely used on the running shaft of any driven nature, and assembles, dismantles easily.
A kind of combined type oil sealing of the utility model, it contains: 1, a kind of combined type oil sealing, comprise one around the letter of the cover of running shaft, the panel and on a ring that is fit to this oil sealing size, a plane by the main oil sealing portion of this sleeve outer surface, is characterized in that partially:
This sleeve includes a plantation rubber perimembranous, extends contact from the sleeve flange outward edge, and this round rubber face portion is divided into two parts, and this sleeve section to panel inner face ends certainly; And a central opening that is a bit larger tham sleeve diameter, its central opening tool is established one and is scraped the earth rubber ring.
Above-mentioned each element of mat is formed, and makes its whole can arrival prevent dust, prevent mud and anti-leakage of oil, and the effect of growth in working life.
The utility model has the advantages that: rational in infrastructure, mounting or dismounting easily, good seal performance, long service life, can be widely used on the running shaft that all kinds of driven natures machinery needs seal.
[description of drawings]
The schematic representation that Fig. 1 analyses and observe for the utility model.
Fig. 2 is the utility model embodiment's a schematic representation.
[embodiment]
About addressing other technologies content, characteristics and effect before the utility model, in the following detailed description that cooperates with reference to graphic embodiment, can clearly present.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to annexed drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the utility model.
At first, see also shown in Figure 1, a kind of combined type oil sealing of the utility model, it mainly comprises: the panel 81 and that a sleeve 22, around running shaft 21 is fit to the oil sealing ring 50 of these oil sealings 20 and a plane is partially by the main oil sealing portion 70 of these sleeve 22 outer surfaces; Wherein, this sleeve 22 includes: end 24 in, one outer terminal 26, one can engage sleeve diameter 28, one sleeve outer surfaces 72 of running shaft 21, one sleeve flange 32, radially extend and terminal 26 from sleeve 22 outside, till this sleeve flange outward edge 34, round rubber face 36 coaxial extensions are to this sleeve flange outer surface 38, one plantation rubber perimembranous 40 is extended contact from sleeve flange outward edge 34; This oil sealing ring 50 includes: terminal 62, one ring skirt sections 64 outward radials extend to ring outer terminal 60 in outer terminal 60, one rings of a surface that contacts with plantation rubber perimembranous 40 58, one ring outer surfaces, 54, one rings; One ring inward flange 66, be positioned at terminal 62 of ring outer terminal 60 and ring, and extension is covered with integral loop part body 52, have the main oil sealing of a sleeve outer surface 72 contacts portion 70 at least: this flat panel 81 includes: a panel inner face 82, one panel, 81 outer surfaces 83, one is a bit larger tham the central opening of sleeve 22 internal diameters, these flat panel 81 inner face gloss, and parallel this ring skirt section 64 and sleeve flange 32, this panel 81 is installed in this ring skirt section 64 and contacts on this face 36: when assembling, outer terminal 26 the sleeve diameter 28 coatings one sleeve diameter rubber of this sleeve interior terminal 24 and sleeve covers 30, and it is minimum that this sleeve diameter rubber covering 30 is reduced to this leakage rate and damaged condition.And this sleeve dome 32 end 26 outside sleeve radially extends, and its sleeve flange 32 is provided with a sleeve flange outward edge 34 on its outer periphery.At least one, two outstanding good faces 36 extend from sleeve flange outer surface 38.
This oil sealing ring 50 is located at outside the sleeve 22, includes a ring body 52, and purpose is to make ring outer surface 54 to be fit to oil sealing 20 and stretches through, and 54 additional ring rubber of ring outer surface cover 56, provide oil sealing 20 to reduce the facts of leakage of oil.
This main oil sealing portion 70 establishes tool on this ring inward flange 66, and bilateral from its inside axially radially to extend by inside, and this main oil sealing portion 70 contacts with its sleeve outer surface 72, and, prevent built-in fluid to change to flow to assembly to cause oil leakage phenomenon outward by the primary component effect of main oil sealing portion 70; And its main oil sealing portion 70 mats, one extension spring 74 is partially by being enclosed within this sleeve outer surface 72, and this sleeve outer surface 72 is reduced the friction that stretches through of main oil sealing portion 70, and seems bright.
In addition, it is axially outside then to be positioned at this main oil sealing portion 70 about other oil sealing elements, these outer oil sealing portion elements in addition are between 72 of this ring inward flange 66 and sleeve outer surfaces, wherein dustproof 75 in the portion of a sleeve middle-end roughly is positioned at 72 of ring inward flange 66 and sleeve outer surfaces, and the dustproof portion 76 of this barrel forward end then props up this sleeve outer surface 72 and is located in and is close proximity to sleeve flange 32; 77 in the dustproof portion of this sleeve flange extends and contacts this sleeve flange 32 from ring inward flange 66, and this ring rubber covers 56, main oil sealing portion 70, the dustproof portion 75 of sleeve middle-end, the dustproof portion 76 of barrel forward end and the dustproof portion 77 of sleeve flange cover this ring body 52 and ring inward flange 66 in then mode.
On end 62 within the ring body 52, its ring rubber covers 56 and has ring rubber covering chamfering 78, accurately location and sustain damage when being prevented to install oil sealing 20 in view of the above.And a combination dashpot 79 is a ring rubber and covers 56 and be close to this ring skirt section 64, and this combination dashpot 79 be able to installing oil sealing 20 fill in the hole the process buffer shaft to pressure.
Three main units such as sleeve 22, oil sealing ring 50 and panel 81 constitute the main body of this oil sealing 20, and this three element is with stainless steel or other metal species materials, make its moulding with known processing technique processing, and compound rubber class material makes its surface present low coarse and smooth surface.And when oil sealing 20 is finished, need through four steps:
1, at first this lubricating grease liquid is clamp-oned 64 in this ring inward flange 66 and each body and ring skirt section:
2, sleeve 22 is inserted in this oil sealing ring 50, purpose is to make dustproof portion's 77 contact sleeve flanges 32 of this sleeve flange and circumferential part 40;
3, lubricating grease 80 is clamp-oned 40 of this face 36 and facial 36 outermosts and circumferential parts;
4, panel 81 abuts in ring skirt section 64 and by riveted or other modes it is once finished.
After panel 81 was fitted this ring skirt section 64, its panel inner face 82 contacts facial 36 and 84 of sleeve flange inner faces linked the dustproof portion 77 of this sleeve flange in view of the above.One scrapes earth rubber ring 86 then then on the opening of these panel 81 central authorities, prevents that mud from entering: the panel combination periphery 88 of panel 81 then in view of the above the riveted mode install on the ring skirt section 64.
This sleeve radial groove 90 contains a sleeve diameter rubber and covers 30, tangent plane pressure when this sleeve 20 of available buffer links running shaft 21, these sleeve 22 outsides and inner face then are provided with a sleeve outer chamfered 92, sleeve inner chamfering 94, reduced and impacted and accurate location: similarly, also establish the inner chamfering 96 of a ring within it on the end in oil sealing ring 50, also effect on an equal basis.And penetralia part that should face 36 has an acute angle cusp, so that obtain so shape, just then can reach satisfactory degree must comprising one side subordinate portion corner cut 98.
Moreover, see also shown in Figure 2, schematic representation for the utility model embodiment, this figure is turbine drives combination Figure 101, oil sealing 20 is inserted in an axle box to be overlapped 102 holes and inside and has a bearing 104 for rotating, this oil sealing 20 is able to around turbine drives axle 106, enters the infringement parts and prevent oil leakage phenomenon to prevent dust and dirt, mud, weeds.
Be worth repeating one carry be, the oil sealing of the utility model mainly uses the machinery oil of using at engineering truck, agricultural machinery such as vehicle to seal up, and the utility model possesses multinomial special effective function, working environment applicable to many muddy water, many dusts, marshland or many grass, can prevent really that leakage of oil, mud from infiltrating, dust is invaded and weeds are involved in the parts working life of the machinery that is increased.
Though the utility model discloses as above with preferred embodiment; so it is not to be used for limiting the utility model; anyly have the knack of this skill person; in the spirit and scope that do not break away from the utility model; when can doing a little change, so the protection domain of the utility model is as the criterion when looking the patent protection scope person of defining.In addition, arbitrary embodiment of the present utility model or claim must not reached whole purposes or advantage or the characteristics that the utility model discloses.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not the rights protection scope that is used for limiting the utility model.
Claims (2)
1, a kind of combined type oil sealing comprises one around the letter of the cover of running shaft, and the panel and on a ring that is fit to this oil sealing size, a plane by the main oil sealing portion of this sleeve outer surface, is characterized in that partially:
This sleeve includes a plantation rubber perimembranous, and this sleeve flange outward edge extends contact certainly, and this round rubber face portion is divided into two parts, and this sleeve section to panel inner face ends certainly; And a central opening that is a bit larger tham sleeve diameter, its central opening tool is established one and is scraped the earth rubber ring.
2, a kind of combined type oil sealing according to claim 1 is characterized in that: each this round rubber face be shaped as a triangular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200419113U CN201412512Y (en) | 2009-03-25 | 2009-03-25 | Combined oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200419113U CN201412512Y (en) | 2009-03-25 | 2009-03-25 | Combined oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412512Y true CN201412512Y (en) | 2010-02-24 |
Family
ID=41714396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200419113U Expired - Lifetime CN201412512Y (en) | 2009-03-25 | 2009-03-25 | Combined oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412512Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979913A (en) * | 2012-12-04 | 2013-03-20 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN104718404A (en) * | 2012-10-23 | 2015-06-17 | Nok株式会社 | Oil seal |
| CN107327574A (en) * | 2016-04-29 | 2017-11-07 | 舍弗勒技术股份两合公司 | Sealing device |
-
2009
- 2009-03-25 CN CN2009200419113U patent/CN201412512Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104718404A (en) * | 2012-10-23 | 2015-06-17 | Nok株式会社 | Oil seal |
| US9618117B2 (en) | 2012-10-23 | 2017-04-11 | Nok Corporation | Oil seal |
| CN102979913A (en) * | 2012-12-04 | 2013-03-20 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN102979913B (en) * | 2012-12-04 | 2015-01-07 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN107327574A (en) * | 2016-04-29 | 2017-11-07 | 舍弗勒技术股份两合公司 | Sealing device |
| CN107327574B (en) * | 2016-04-29 | 2021-07-23 | 舍弗勒技术股份两合公司 | Sealing device |
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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: 20100224 |
|
| CX01 | Expiry of patent term |