CN109237032A - A kind of more lip fixed point sealed oil sealings of support combinations - Google Patents
A kind of more lip fixed point sealed oil sealings of support combinations Download PDFInfo
- Publication number
- CN109237032A CN109237032A CN201811321902.XA CN201811321902A CN109237032A CN 109237032 A CN109237032 A CN 109237032A CN 201811321902 A CN201811321902 A CN 201811321902A CN 109237032 A CN109237032 A CN 109237032A
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- Prior art keywords
- sealing
- shell
- lip
- sealed
- oil sealing
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 98
- 239000000084 colloidal system Substances 0.000 claims abstract description 53
- 239000000178 monomer Substances 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000000565 sealant Substances 0.000 claims abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 235000014121 butter Nutrition 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 7
- 241000196324 Embryophyta Species 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F16J15/3212—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The present invention relates to a kind of more lips to pinpoint the sealed oil sealing of support combinations, including shell installation monomer oil sealing, interior shell monomer rotary oil seal and flat cover monomer envelope group oil sealing；The shell installation monomer oil sealing includes outer casing framework, shell sealed colloid and fixed point support insert, sealing skewback is provided on the outer casing framework, primary seal lip and secondary sealing lip are provided on the shell sealed colloid, the fixed point support insert is located in shell sealed colloid；The interior shell monomer rotary oil seal includes inner casing skeleton and inner casing sealed colloid, and the inner casing skeleton is in contact with the primary seal lip of shell sealed colloid and secondary sealing lip, is provided with dustproof lip on the inner casing sealed colloid；The flat cover monomer envelope group oil sealing includes flat cover skeleton peace lid sealant body.The invention can ensure that the leakproofness of combination oil seal, high reliablity is not vulnerable, and muddy water, weeds, rubble and other impurities is avoided to enter inside oil sealing.
Description
Technical field
The present invention relates to a kind of oil sealings, and in particular to a kind of more lips fixed point sealed oil sealings of support combinations.
Background technique
It is all mutually to cover combined type inside and outside two shells that legacy agricultural machinery is most of with oil sealing, during installing oil sealing the more
The spacing adjustment of mounting base or the fixation of axle portion circlip can be generated less less.If this process does not cover oil sealing inner and outer shell closely
With in place, be easy to axle portion oil sealing and external installation portions oil sealing it is upper and lower can wandering region cause gap.This gap is just
It is that muddy water, weeds, the various impurity in rubble and other soil that agricultural equipment generates in vast farmland operation enter oil sealing
Space, and then lead to colloid rapidly aging and the protection followed the string with internal lithium saponify butter, cabinet caused to enter muddy water,
Situations such as sundries etc., the bad result that the final most important gearbox body of agricultural equipment is entirely scrapped.
Summary of the invention
The object of the present invention is to provide a kind of more lips to pinpoint the sealed oil sealing of support combinations, solves existing combined type oil
The two external member formula combination oil seals used in agricultural equipment gearbox gear shaft in the presence of envelope product technology are in the ring used
Border is extremely severe, and muddy water impregnates, and weeds bank enters, easily wears so as to cause oil sealing major-minor lip and get rusty and rupture, cause gearbox
Gear is stuck with oil leak the problem of failure oil leak.
To achieve the goals above, the present invention provides the following technical solution:
A kind of more lip fixed point sealed oil sealings of support combinations, including shell installation monomer oil sealing, interior shell monomer rotation oil
Envelope and flat cover monomer envelope group oil sealing；The shell installation monomer oil sealing includes outer casing framework, shell sealed colloid and fixed point
Insert is supported, the shell sealed colloid is coated on outer casing framework top peripheral, sealing skewback is provided on the outer casing framework,
Primary seal lip and secondary sealing lip are provided on the shell sealed colloid, the fixed point support insert is located at shell sealed colloid
It is interior；The interior shell monomer rotary oil seal includes inner casing skeleton and inner casing sealed colloid, the inner casing skeleton and shell sealed colloid
Primary seal lip and secondary sealing lip be in contact, the inner casing sealed colloid is connect with the right part of inner casing skeleton and bottom, it is described in
Dustproof lip is provided on shell sealed colloid；The flat cover monomer envelope group oil sealing includes flat cover skeleton peace lid sealant body, described
The connection of the bottom end of flat cover skeleton and outer casing framework.
Further, the fixed point support insert is cylindrical, and the fixed point support insert installs monomer relative to shell
The centre of gyration of oil sealing circumferentially arrange by array-like.
Further, the fixed point support insert is corresponding with the sealing position of skewback, and the fixed point support insert is located at
In plane where the inclined-plane of sealing skewback.
Further, the quantity of the secondary sealing lip is multiple；Shape at the primary seal lip, secondary sealing lip and dustproof lip
At cavity in be filled with lithium saponify butter.
Further, the bottom end left part of the inner casing sealed colloid and sealing skewback are in close contact；The dustproof lip is specific
In gap between inner casing skeleton and flat cover skeleton.
Further, the flat cover sealed colloid is connect with flat cover skeleton far from one end of outer casing framework.
The invention has the benefit that novel more lips pinpoint the sealed oil sealing of support combinations, have in product design
The original inner-outer sleeve oil sealing of improvement of effect there are problem, the design of integral type closely more lips in interference fit, no matter
The spacing adjustment that mounting base or the fixation of axle portion circlip can be generated during installation oil sealing, all makees in the support of the more lips of colloid
With lower reasonable adjusting microinching, in the guarantor of the compactness of the monomer oil sealing work cooperation for the inner and outer shell that combination oil seal is easiest to fail
Card；New more lips pinpoint the sealed oil of support combinations using the fixed point support equal molding with cloth of insert, effectively can completely support interior
Shell monomer rotary oil seal is detached from effective workspace due to installing the process that oil sealing was tapped or adjusted gap and shell is caused to settle
The possibility in domain, interior shell monomer rotary oil seal plane are completely fitted in above fixed point support insert, and completely closely glue is ground in touching to plane
Body also can produce sealing effect, in the case of effective position so, the flange that is designed above interior shell monomer rotary oil seal plane
Secondary lip can Interference contact flat cover monomer envelope group oil sealing inner face, then the bending fixed Combination work via flat cover monomer envelope group oil sealing
Sequence combines three groups of components, and complete effective three monomer oil sealings of closely sealed collocation just synthesize one group of novel more lip
Pinpoint the sealed oil sealing of support combinations；So no matter upper-lower casing work rotation in play or install oil sealing spacing adjustment
Percussion can be effectively controlled in the region of design without departing from sealing effective coverage；The space of internal major-minor lip and more lips
It is inside all coated with medium of the lithium saponify butter as interaction rotary lubrication, the interference seal of colloid Yu lip oil film is effectively protected
Property, also can produce the sealing area of micro- air-tightness, the installation of monomer inner casing rotary oil seal inner radius rotary shaft also with flat cover list
Flange colloid outside body envelope group oil sealing fits closely, and the weeds in vast agriculture district domain can be blocked and is isolated with substances such as rubbles
In the outside of gearbox body rotation axle portion, the sealing effect of more lip fixed point sealed oil sealings of support combinations is protected.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram that a kind of more lips of the present invention pinpoint the sealed oil sealing of support combinations.
In figure: 1, shell installs monomer oil sealing；10, outer casing framework；11, shell sealed colloid；12, primary seal lip；13, secondary
Sealing lip；14, fixed point support insert；15, skewback is sealed；16, spring；2, interior shell monomer rotary oil seal；20, inner casing skeleton；21,
Inner casing sealed colloid；22, dustproof lip；3, flat cover monomer envelope group oil sealing；30, flat cover skeleton；31, flat cover sealed colloid.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
With reference to Fig. 1, a kind of more lips fixed point sealed oil sealings of support combinations, including shell install monomer oil sealing 1, inner casing list
Body rotary oil seal 2 and flat cover monomer envelope group oil sealing 3；The shell installation monomer oil sealing 1 includes outer casing framework 10, shell sealing
Colloid 11 and fixed point support insert 14, the shell sealed colloid 11 are coated on 10 top peripheral of outer casing framework, the shell
It is provided with sealing skewback 15 on skeleton 10, is provided with primary seal lip 12 and secondary sealing lip 13, institute on the shell sealed colloid 11
Fixed point support insert 14 is stated to be located in shell sealed colloid 11；The interior shell monomer rotary oil seal 2 includes inner casing skeleton 20 and interior
Shell sealed colloid 21, the inner casing skeleton 20 are in contact with the primary seal lip 12 of shell sealed colloid 11 and secondary sealing lip 13, institute
It states inner casing sealed colloid 21 to connect with the right part of inner casing skeleton 20 and bottom, is provided with dustproof lip on the inner casing sealed colloid 21
22；The flat cover monomer envelope group oil sealing 3 includes the peaceful lid sealant body 31 of flat cover skeleton 30, the flat cover skeleton 30 and shell bone
The bottom end of frame 10 connects.
The fixed point support insert 14 is cylindrical, and the fixed point support insert 14 installs monomer oil sealing 1 relative to shell
The centre of gyration circumferentially array-like arrange；The fixed point supporting block 14 is for making shell installation monomer oil sealing 1 and interior shell monomer
Rotary oil seal 2 is fitted close, and guarantees that the compactness of cooperation and up and down interference glue lip cooperate, avoid oil sealing offset with it is inside and outside
The phenomenon that shell play, and then guarantee leakproofness.
The fixed point support insert 14 is corresponding with the sealing position of skewback 15, and the fixed point support insert 14 is located at sealing
In plane where the inclined-plane of skewback 15.
The quantity of the secondary sealing lip 13 is multiple；Shape at the primary seal lip 12, secondary sealing lip 13 and dustproof lip 22
At cavity in be filled with lithium saponify butter, lithium saponify butter as interact rotary lubrication medium, colloid is effectively protected
With the interference seal of lip oil film, the sealing area of micro- air-tightness also can produce.
The bottom end left part and sealing skewback 15 of the inner casing sealed colloid 21 are in close contact；The dustproof lip 22 is particularly located at
In gap between inner casing skeleton 20 and flat cover skeleton 30.
The flat cover sealed colloid 31 is connect with flat cover skeleton 30 far from one end of outer casing framework 10, the flat cover sealant
Body 31 is for stopping external weeds and muddy water to interfere.
Spring 16 is additionally provided on the shell sealed colloid 11, spring 16 is corresponding with the position of primary seal lip 12, uses
At the primary seal lip 12 of banding shell sealed colloid 11, transmission internal oil liquid leakage is avoided.
The operation principle of the present invention is that: it is the gearbox of agricultural equipment that 12 place of primary seal lip of this oil enveloping structure is corresponding
Inside, it is region outside the gearbox of agricultural equipment between shaft, interior shell monomer rotary oil seal that 2 place of dustproof lip is corresponding
The corresponding structure of 2 right part is shaft, shaft and interior shell monomer rotary oil seal 2 together relative to shell install monomer oil sealing 1 and
Flat cover monomer envelope group oil sealing 3 rotates；In the severe use environment of agricultural machinery, flat cover sealed colloid 31 can touch various mud first
Water, weeds, rubble and other impurities, 31 size of flat cover sealed colloid can stop biggish impurity at this time；For smaller
Impurity, such as dust, it is likely that the gap across flat cover sealed colloid 31 and shaft, into flat cover skeleton 30 with it is interior
Region between 21 bottom of shell sealed colloid, lesser impurity can be stopped by dustproof lip 22 at this time；In the installation and shaft of oil sealing
Rotary course in, circumferentially array-like arrangement fixed point support insert 14 can be to the shell sealed colloid 11 where its own
Be supported at position, guarantee shell sealed colloid 11 with sealing skewback 15 and 21 three contact position of inner casing sealed colloid it is close
Feng Xing can be effectively controlled the cooperation of upper and lower magnitude of interference, completely avoid group to cope with the play occurred in installation or rotary course
Box-like inner and outer shell oil sealing separates to form gap, generates the situation of oil seal failure；Primary seal lip 12 is used to secondary sealing lip 13
It avoids transmission internal oil liquid from revealing, while impurity being avoided to enter gearbox.
Above-described embodiment does not limit the invention to these specific implementations for the present invention is further illustrated
Mode.Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be understood as at this
Within the protection scope of invention.
Claims (6)
1. a kind of more lips pinpoint the sealed oil sealing of support combinations, it is characterised in that: including shell installation monomer oil sealing (1), interior
Shell monomer rotary oil seal (2) and flat cover monomer envelope group oil sealing (3)；Shell installation monomer oil sealing (1) includes outer casing framework
(10), shell sealed colloid (11) and fixed point support insert (14), the shell sealed colloid (11) are coated on outer casing framework
(10) top peripheral is provided with sealing skewback (15) on the outer casing framework (10), is arranged on the shell sealed colloid (11)
There are primary seal lip (12) and secondary sealing lip (13), fixed point support insert (14) is located in shell sealed colloid (11)；It is described
Interior shell monomer rotary oil seal (2) includes inner casing skeleton (20) and inner casing sealed colloid (21), the inner casing skeleton (20) and shell
The primary seal lip (12) and secondary sealing lip (13) of sealed colloid (11) are in contact, the inner casing sealed colloid (21) and inner casing skeleton
(20) right part is connected with bottom, is provided with dustproof lip (22) on the inner casing sealed colloid (21)；The flat cover monomer envelope group
Oil sealing (3) includes the peaceful lid sealant body (31) of flat cover skeleton (30), the bottom of the flat cover skeleton (30) and outer casing framework (10)
End connection.
2. a kind of more lips according to claim 1 pinpoint the sealed oil sealing of support combinations, it is characterised in that: the fixed point
Support insert (14) cylindrical, the centre of gyration of fixed point support insert (14) relative to shell installation monomer oil sealing (1)
Circumferentially array-like is arranged.
3. a kind of more lips according to claim 2 pinpoint the sealed oil sealing of support combinations, it is characterised in that: the fixed point
Support insert (14) corresponding with the sealing position of skewback (15), fixed point support insert (14) is located at sealing skewback (15)
In plane where inclined-plane.
4. a kind of more lips according to claim 1 pinpoint the sealed oil sealing of support combinations, it is characterised in that: the pair is close
It is multiple for sealing the quantity of lip (13)；The cavity formed at the primary seal lip (12), secondary sealing lip (13) and dustproof lip (22)
Inside it is filled with lithium saponify butter.
5. a kind of more lips according to claim 1 pinpoint the sealed oil sealing of support combinations, it is characterised in that: the inner casing
The bottom end left part of sealed colloid (21) and sealing skewback (15) are in close contact；The dustproof lip (22) is particularly located at inner casing skeleton
(20) in the gap between flat cover skeleton (30).
6. a kind of more lips according to claim 1 pinpoint the sealed oil sealing of support combinations, it is characterised in that: the flat cover
Sealed colloid (31) is connect with flat cover skeleton (30) far from the one end of outer casing framework (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321902.XA CN109237032A (en) | 2018-11-08 | 2018-11-08 | A kind of more lip fixed point sealed oil sealings of support combinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321902.XA CN109237032A (en) | 2018-11-08 | 2018-11-08 | A kind of more lip fixed point sealed oil sealings of support combinations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237032A true CN109237032A (en) | 2019-01-18 |
Family
ID=65077346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811321902.XA Pending CN109237032A (en) | 2018-11-08 | 2018-11-08 | A kind of more lip fixed point sealed oil sealings of support combinations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237032A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006207631A (en) * | 2005-01-26 | 2006-08-10 | Nok Corp | Sealing device |
| JP2009257367A (en) * | 2008-04-14 | 2009-11-05 | Nok Corp | Oil seal |
| CN201496554U (en) * | 2009-08-19 | 2010-06-02 | 青岛开世密封工业有限公司 | Oil seal for vehicle axle |
| CN201531604U (en) * | 2009-11-24 | 2010-07-21 | 青岛开世密封工业有限公司 | End surface-positioned and assembled wholly-installed muddy water-resistant oil seal |
| CN201763959U (en) * | 2010-07-22 | 2011-03-16 | 青岛开世密封工业有限公司 | Labyrinth oil seal |
| CN203051779U (en) * | 2013-01-21 | 2013-07-10 | 烟台润蚨祥油封有限公司 | Multiple dustproof neck bush structure combined polytetrafluorethylene (PTFE) oil seal |
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| CN203604654U (en) * | 2013-11-22 | 2014-05-21 | 青岛开世密封工业有限公司 | Box type oil seal with PTFE blocking piece |
| CN204387326U (en) * | 2014-11-21 | 2015-06-10 | 巴鲁德（天津）石油化工有限公司 | There is the outside framework oil seal improving sealability assembly |
| CN105793627A (en) * | 2013-12-02 | 2016-07-20 | Ｋｙｂ株式会社 | Seal device |
| CN106499819A (en) * | 2016-11-30 | 2017-03-15 | 清华大学 | A kind of many lip damping oil sealings with air bag |
| CN107166035A (en) * | 2017-06-19 | 2017-09-15 | 清华大学 | A kind of many lip damping oil sealings of magnetic |
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-
2018
- 2018-11-08 CN CN201811321902.XA patent/CN109237032A/en active Pending
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| CN203604654U (en) * | 2013-11-22 | 2014-05-21 | 青岛开世密封工业有限公司 | Box type oil seal with PTFE blocking piece |
| CN105793627A (en) * | 2013-12-02 | 2016-07-20 | Ｋｙｂ株式会社 | Seal device |
| CN103671931A (en) * | 2013-12-18 | 2014-03-26 | 青岛开世密封工业有限公司 | Oil seal for end portion of wheel redactor plate |
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| CN107166035A (en) * | 2017-06-19 | 2017-09-15 | 清华大学 | A kind of many lip damping oil sealings of magnetic |
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| CN107387571A (en) * | 2017-09-04 | 2017-11-24 | 青岛开世密封工业有限公司 | A kind of self-lubricating bearing formula oil sealing |
| CN209444810U (en) * | 2018-11-08 | 2019-09-27 | 昆山米卡斯希尔橡塑工业有限公司 | A kind of more lip fixed point sealed oil sealings of support combinations |
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