CN108150653A - A kind of five lip combination seals - Google Patents
A kind of five lip combination seals Download PDFInfo
- Publication number
- CN108150653A CN108150653A CN201711421508.9A CN201711421508A CN108150653A CN 108150653 A CN108150653 A CN 108150653A CN 201711421508 A CN201711421508 A CN 201711421508A CN 108150653 A CN108150653 A CN 108150653A
- Authority
- CN
- China
- Prior art keywords
- lip
- seal
- sealing
- support frame
- oil seal
- 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 claims abstract description 70
- 239000000565 sealant Substances 0.000 claims description 18
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 45
- 230000005540 biological transmission Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation 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
- F16J15/16—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
-
- 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
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a kind of five lip combination seals,Including outer oil seal,Inner oil seal,First support frame,First seal,Leaf spring,Second support frame,Second seal and self-tightening spring,The outer oil seal is equipped with the first support frame,The internal diameter of the first seal is equipped with the first sealing,Leaf spring is installed in first sealing,The side wall of first sealing is equipped with the first sealing lip and the second sealing lip,The internal diameter of second sealing lip is extended with secondary lip,The internal diameter of first sealing is equipped with third sealing lip,The inner oil seal is equipped with the second support frame,The internal diameter of the second seal is equipped with primary seal lip,The outer ring of the primary seal lip is surrounded with self-tightening spring,Using the combination of two special-shaped oil sealings,Form the combination oil seal with multiple oil seal lip,Leaf spring,Self-tightening spring can compensate for the gap generated due to abrasion,Greatly improve the sealing performance of oil sealing.
Description
【Technical field】
The present invention relates to the technical field of sealing element, particularly a kind of technical field of five lips combination seal.
【Background technology】
To prevent lubricating oil leakage, oil sealing will be installed by stretching out body part in axis, it is common to use method be provided with an oil
Envelope, the effect of oil sealing general is exactly that the component lubricated will be needed to be isolated with output component in transmission parts, is unlikely to allow lubricating oil
Leakage.The media of both sides at water pump drive spindle position is respectively lubricating oil and coolant, and the combination oil seal of existing structure can not at present
The media of both sides at water pump drive spindle position is sealed simultaneously.Therefore it needs to change the structure of the sealing lip of existing oil sealing, makes oil sealing
It is provided simultaneously with oil sealing and seals the sealability of coolant, to meet to being sealed while media of both sides, ensure that water pump drive spindle exists
It is worked normally in higher rotation speed working environment, it is proposed that a kind of five lip combination seals.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, a kind of five lip combination seals is proposed, using two
The combination of a abnormal shape oil sealing, forms the combination oil seal with multiple oil seal lip, can form close sealing space, board-like bullet
Spring, self-tightening spring can compensate for the gap generated due to abrasion, greatly improve the sealing performance of oil sealing, improve the use of transmission shaft
Service life.
To achieve the above object, the present invention proposes a kind of five lip combination seals, including outer oil seal, inner oil seal, the
One support frame, first seal, leaf spring, the second support frame, second seal and self-tightening spring, on the outer oil seal
Equipped with the first support frame, first support frame is equipped with first seal, and the internal diameter of the first seal is equipped with the
One sealing, is equipped with leaf spring in first sealing, the side wall of first sealing be equipped with the first sealing lip and
Second sealing lip, the internal diameter of second sealing lip are extended with secondary lip, and the internal diameter of first sealing is equipped with third sealing lip,
The inner oil seal is equipped with the second support frame, and the outer ring of second support frame is axially extended with the second rib, and described the
The inner wall of one sealing lip and the second rib is fitted close, and second support frame is equipped with second seal, and described second is close
The internal diameter of sealing is equipped with primary seal lip, and the outer ring of the primary seal lip is surrounded with self-tightening spring.
Preferably, second support frame further includes back-shaped flanging, the cross sectional shape of the back-shaped flanging is U-shaped
Shape, the outer ring of the back-shaped flanging are extended with the second rib, and the end face of second sealing lip and the second support frame is closely matched
It closes.
Preferably, the outer ring of the second seal is extended with the second sealant, second sealant is coated on
On the outer ring of two ribs, second sealant is fitted close with outer oil seal, and the outer ring of the primary seal lip is equipped with annular groove, institute
It states in self-tightening spring insertion annular groove, the radial section of the primary seal lip is approximately V-shape.
Preferably, the cross sectional shape of first support frame is L-shaped, the outer ring of first support frame is axial
The first rib is extended with, the outer diameter of the first seal is extended with the first sealant, and first sealant is coated on first
On rib, inner ring and the inner oil seal of first sealant are fitted close.
Preferably, the cross sectional shape of the leaf spring is U-shaped, the Liang Ge branches of the leaf spring clamp respectively
On the first sealing lip and the second sealing lip.
Preferably, the inner oil seal is arranged on the inside of outer oil seal, match between the outer oil seal and inner oil seal in interference
It closes.
Beneficial effects of the present invention：The present invention passes through outer oil seal, inner oil seal, the first support frame, first seal, board-like
The cooperation of spring, the second support frame, second seal and self-tightening spring etc. using the combination of two special-shaped oil sealings, forms tool
There is the combination oil seal of multiple oil seal lip, lateral lip is long and thin to have good elastic deformation performance, can be formed closely
Sealing space, leaf spring, self-tightening spring can compensate for the gap generated due to abrasion, greatly improve the sealing performance of oil sealing,
Improve the service life of transmission shaft.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of schematic cross-section of five lips combination seal of the present invention；
Fig. 2 is a kind of schematic cross-section of the outer oil seal of four lip dustproof covers of five lips combination seal of the present invention；
Fig. 3 is a kind of schematic cross-section of the inner oil seal of three lip dustproof covers of five lips combination seal of the present invention.
【Specific embodiment】
Refering to Fig. 1 to Fig. 3, the present invention five lip combination seals of one kind are supported including outer oil seal 1, inner oil seal 2, first
Skeleton 3, first seal 4, leaf spring 5, the second support frame 6, second seal 7 and self-tightening spring 8, the outer oil seal 1
The first support frame 3 is equipped with, first support frame 3 is equipped with first seal 4, the internal diameter of the first seal 4
Equipped with the first sealing 42, leaf spring 5 is installed in first sealing 42, the side wall of first sealing 42 is equipped with
First sealing lip 43 and the second sealing lip 44, the internal diameter of second sealing lip 44 are extended with secondary lip 441, first sealing
42 internal diameter is equipped with third sealing lip 45, and the inner oil seal 2 is equipped with the second support frame 6, second support frame 6 it is outer
Enclose it is axially extending have the second rib 62, the inner wall of 43 and second rib 62 of the first sealing lip is fitted close, described second
Support bone frame 6 is equipped with second seal 7, and the internal diameter of the second seal 7 is equipped with primary seal lip 72, the primary seal lip 72
Outer ring is surrounded with self-tightening spring 8.Second support frame 6 further includes back-shaped flanging 61, and the back-shaped flanging 61 is cut
Face shape is U-shaped, and the outer ring of the back-shaped flanging 61 is extended with the second rib 62, and second sealing lip 44 and second supports
The end face of skeleton 6 is fitted close.The outer ring of the second seal 7 is extended with the second sealant 71, second sealant 71
It is coated on the outer ring of the second rib 62, second sealant 71 is fitted close with outer oil seal 1, outside the primary seal lip 72
Circle is equipped with annular groove 73, and the self-tightening spring 8 is embedded in annular groove 73.The cross sectional shape of first support frame 3 is L words
Shape, the outer ring of first support frame 3 are axially extended with the first rib 31, and the outer diameter of the first seal 4 is extended with
One sealant 41, first sealant 41 are coated on the first rib 31, inner ring and the inner oil seal 2 of first sealant 41
It is fitted close.The cross sectional shape of the leaf spring 5 is U-shaped, and the Liang Ge branches of the leaf spring 5 are installed on first respectively
On 43 and second sealing lip 44 of sealing lip.The inner oil seal 2 is arranged on the inside of outer oil seal 1, the outer oil seal 1 and inner oil seal 2
Between in interference fit.
The course of work of the present invention：
Five lip combination seals of one kind of the invention during the work time, pass through outer oil seal, inner oil seal, the first support rib
The cooperation of frame, first seal, leaf spring, the second support frame, second seal and self-tightening spring etc., using two abnormal shapes
The combination of oil sealing forms the combination oil seal with multiple oil seal lip, and lateral lip is long and thin to have good elastic deformation
Can, close sealing space can be formed, leaf spring, self-tightening spring can compensate for the gap generated due to abrasion, carry significantly
The sealing performance of high oil sealing improves the service life of transmission shaft.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of five lip combination seals, it is characterised in that：Including outer oil seal (1), inner oil seal (2), the first support frame
(3), first seal (4), leaf spring (5), the second support frame (6), second seal (7) and self-tightening spring (8), it is described
Outer oil seal (1) is equipped with the first support frame (3), and first support frame (3) is equipped with first seal (4), and described the
The internal diameter of one sealing element (4) is equipped with the first sealing (42), and leaf spring (5), institute are equipped in first sealing (42)
The side wall for stating the first sealing (42) is equipped with the first sealing lip (43) and the second sealing lip (44), second sealing lip (44)
Internal diameter is extended with secondary lip (441), and the internal diameter of first sealing (42) is equipped with third sealing lip (45), the inner oil seal (2)
It is equipped with the second support frame (6), the outer ring of second support frame (6) is axially extended with the second rib (62), and described the
One sealing lip (43) and the inner wall of the second rib (62) are fitted close, and second support frame (6) is equipped with second seal
(7), the internal diameter of the second seal (7) is equipped with primary seal lip (72), and the outer ring of the primary seal lip (72) is surrounded with
Self-tightening spring (8).
2. five lip combination seals of one kind as described in claim 1, it is characterised in that：Second support frame (6) is also
Including back-shaped flanging (61), the cross sectional shape of the back-shaped flanging (61) is U-shaped, and the outer ring of the back-shaped flanging (61) extends
There is the second rib (62), second sealing lip (44) and the end face of the second support frame (6) are fitted close.
3. five lip combination seals of one kind as described in claim 1, it is characterised in that：Outside the second seal (7)
Circle is extended with the second sealant (71), and second sealant (71) is coated on the outer ring of the second rib (62), and described second
Sealant (71) is fitted close with outer oil seal (1), and the outer ring of the primary seal lip (72) is equipped with annular groove (73), the self-tightening bullet
In the embedded annular groove (73) of spring (8), the radial section of the primary seal lip (72) is approximately V-shape.
4. five lip combination seals of one kind as described in claim 1, it is characterised in that：First support frame (3)
Cross sectional shape is L-shaped, and the outer ring of first support frame (3) is axially extended with the first rib (31), first sealing
The outer diameter of part (4) is extended with the first sealant (41), and first sealant (41) is coated on the first rib (31), and described
The inner ring of one sealant (41) is fitted close with inner oil seal (2).
5. five lip combination seals of one kind as described in claim 1, it is characterised in that：The section of the leaf spring (5)
Shape is U-shaped, and the Liang Ge branches of the leaf spring (5) are installed on the first sealing lip (43) and the second sealing lip (44) respectively
On.
6. five lip combination seals of one kind as described in claim 1, it is characterised in that：The inner oil seal (2) is arranged on outer
The inside of oil sealing (1), in interference fit between the outer oil seal (1) and inner oil seal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421508.9A CN108150653A (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421508.9A CN108150653A (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150653A true CN108150653A (en) | 2018-06-12 |
Family
ID=62465870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421508.9A Pending CN108150653A (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112534165A (en) * | 2018-08-03 | 2021-03-19 | 美国圣戈班性能塑料公司 | Ball valve seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201763959U (en) * | 2010-07-22 | 2011-03-16 | 青岛开世密封工业有限公司 | Labyrinth oil seal |
| CN201953999U (en) * | 2011-03-04 | 2011-08-31 | 青岛开世密封工业有限公司 | Split-type combined oil seal |
| JP2011174570A (en) * | 2010-02-25 | 2011-09-08 | Arai Seisakusho Co Ltd | Sealing device |
| CN201992073U (en) * | 2011-02-25 | 2011-09-28 | 青岛开世密封工业有限公司 | Box-type oil seal |
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| CN202834077U (en) * | 2012-09-14 | 2013-03-27 | 青岛开世密封工业有限公司 | Oil seal combining three lips |
| CN203604656U (en) * | 2013-11-26 | 2014-05-21 | 青岛开世密封工业有限公司 | Back-to-back combined oil seal |
| CN204592294U (en) * | 2015-05-12 | 2015-08-26 | 广东京汕密封件有限公司 | Combined type rotation oil seal |
| CN205101565U (en) * | 2015-11-16 | 2016-03-23 | 温岭市九洲电机制造有限公司 | Combination oil seal structure |
| WO2016116046A1 (en) * | 2015-01-20 | 2016-07-28 | 舍弗勒技术股份两合公司 | Hub bearing and seal device therefor |
| CN206017728U (en) * | 2016-07-25 | 2017-03-15 | 青岛海力威新材料科技股份有限公司 | A kind of resistance to eccentric novel compositions oil sealing |
| CN107202168A (en) * | 2017-06-28 | 2017-09-26 | 昆山健博密封件科技有限公司 | A kind of many lip anti-dust seals |
| CN206522358U (en) * | 2016-08-31 | 2017-09-26 | 浙江新昌振新密封件有限公司 | A kind of improved combination formula closure |
| CN208185466U (en) * | 2017-12-25 | 2018-12-04 | 浙江新昌振新密封件有限公司 | A kind of five lip combination seals |
-
2017
- 2017-12-25 CN CN201711421508.9A patent/CN108150653A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011174570A (en) * | 2010-02-25 | 2011-09-08 | Arai Seisakusho Co Ltd | Sealing device |
| CN201763959U (en) * | 2010-07-22 | 2011-03-16 | 青岛开世密封工业有限公司 | Labyrinth oil seal |
| CN201992073U (en) * | 2011-02-25 | 2011-09-28 | 青岛开世密封工业有限公司 | Box-type oil seal |
| CN201953999U (en) * | 2011-03-04 | 2011-08-31 | 青岛开世密封工业有限公司 | Split-type combined oil seal |
| CN202381695U (en) * | 2011-09-20 | 2012-08-15 | 青岛开世密封工业有限公司 | Combined muddy-water-proof oil seal for large-sized loading machine |
| CN202469001U (en) * | 2012-02-16 | 2012-10-03 | 宁波丰茂远东橡胶有限公司 | Combination type oil seal with sealing ring |
| CN202834077U (en) * | 2012-09-14 | 2013-03-27 | 青岛开世密封工业有限公司 | Oil seal combining three lips |
| CN203604656U (en) * | 2013-11-26 | 2014-05-21 | 青岛开世密封工业有限公司 | Back-to-back combined oil seal |
| WO2016116046A1 (en) * | 2015-01-20 | 2016-07-28 | 舍弗勒技术股份两合公司 | Hub bearing and seal device therefor |
| CN204592294U (en) * | 2015-05-12 | 2015-08-26 | 广东京汕密封件有限公司 | Combined type rotation oil seal |
| CN205101565U (en) * | 2015-11-16 | 2016-03-23 | 温岭市九洲电机制造有限公司 | Combination oil seal structure |
| CN206017728U (en) * | 2016-07-25 | 2017-03-15 | 青岛海力威新材料科技股份有限公司 | A kind of resistance to eccentric novel compositions oil sealing |
| CN206522358U (en) * | 2016-08-31 | 2017-09-26 | 浙江新昌振新密封件有限公司 | A kind of improved combination formula closure |
| CN107202168A (en) * | 2017-06-28 | 2017-09-26 | 昆山健博密封件科技有限公司 | A kind of many lip anti-dust seals |
| CN208185466U (en) * | 2017-12-25 | 2018-12-04 | 浙江新昌振新密封件有限公司 | A kind of five lip combination seals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112534165A (en) * | 2018-08-03 | 2021-03-19 | 美国圣戈班性能塑料公司 | Ball valve seal |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180612 |
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| RJ01 | Rejection of invention patent application after publication |