CN108930794A - Seal assembly - Google Patents
Seal assembly Download PDFInfo
- Publication number
- CN108930794A CN108930794A CN201710374006.9A CN201710374006A CN108930794A CN 108930794 A CN108930794 A CN 108930794A CN 201710374006 A CN201710374006 A CN 201710374006A CN 108930794 A CN108930794 A CN 108930794A
- Authority
- CN
- China
- Prior art keywords
- seal
- lip
- seal assembly
- component
- skeleton
- 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
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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
-
- 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
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
Abstract
The present invention provides a kind of seal assemblies, annular space between its inner surface for being used to seal first component and the outer surface of second component, wherein, first component and second component are relatively rotatable to each other, seal assembly includes first seal and second seal, first seal can be fixedly mounted relative to the inner surface of first component, and second seal can be fixedly mounted relative to the outer surface of second component, seal assembly is characterized in that, multiple lips that first seal includes skeleton and is connected with skeleton, its middle skeleton and multiple lips all have annular shape, multiple lips include the first lip, and the first lip includes the contact portion made of metal or ceramics；And second seal includes radial extension, wherein, under the assembled state of seal assembly, radial extension of the first lip of first seal from skeleton towards second seal extends, and the contact portion of the first lip is sealed against each other with the radial extension of second seal and contacted.
Description
Technical field
The present invention relates to sealing techniques.In particular it relates to seal assembly, it can be to a large amount of dust
It is sealed with bearing, bearing housing, the gear-box of equipment etc. to work under the adverse circumstances of mud etc..
Background technique
As known, in the equipment to work in the environment of with the very severe of a large amount of dust and mud, bearing etc.
Sealing be very big challenge.By taking the sealing of heading machine cutting head bearing as an example, due to the high request of sealing, usually utilize
The combinations of a variety of different seals is sealed.
Fig. 1 shows a kind of sealing schematic diagram of the bearing of traditional heading machine cutting head.As shown in Figure 1, development machine is cut
Head uses multiple sealing elements such as floating seal, V-seal part, edge seal to be at different locations sealed.
Based on such sealing means, since sealing element is more, it is therefore desirable to biggish installation space.Further, since each sealing element
With different installation site and installation method, therefore installation difficulty is larger, and it is difficult to ensure that each sealing element can be installed
Locate in correct position, so that it is difficult to ensure that sealing effect.Further, since the sealing element used is more, cost is also very high.
Summary of the invention
Accordingly, it is desirable to provide a kind of seal assembly of at least one that can overcome disadvantage mentioned above.
It is compact-sized it is an object of the present invention to provide a kind of seal assembly, can save installation space, reduce at
Originally and installation steps are reduced.
It is a further object to provide a kind of seal assemblies, this has good wear resistance.
A further object of the present invention is to provide a kind of seal assembly, with better seal performance.
At least one purpose that can be achieved through the following technical solutions in above-mentioned purpose.
According to an aspect of the invention, there is provided a kind of seal assembly, be used to seal first component inner surface and
Annular space between the outer surface of second component, wherein the first component and the second component are relatively rotatable to each other, institute
Stating seal assembly includes first seal and second seal, and the first seal can be relative to the inner surface of first component
It is fixedly mounted, and the second seal can be fixedly mounted relative to the outer surface of the second component, the sealing group
Part is characterized in that, the first seal includes skeleton and multiple lips for being connected with the skeleton, wherein the skeleton and
The multiple lip all has annular shape, and the multiple lip includes the first lip, and first lip includes by metal or ceramics
Manufactured contact portion；And the second seal includes radial extension, wherein in the assembled state of the seal assembly
Under, the first lip of the first seal extends from the skeleton towards the radial extension of the second seal, and institute
The contact portion for stating the first lip is sealed against each other with the radial extension of the second seal to be contacted.
Preferably, first lip further includes the support portion for being used to support the contact portion, and first lip via
The support portion is connected to the skeleton.
Preferably, the skeleton is made of metal, and the support portion of first lip is made of elastic material, first lip
The skeleton is connected to by the solidification of the elastic material.
Preferably, the multiple lip of the first seal further includes the second lip and main lip, and described second seals
Part further includes axially-extending portion, under the assembled state of the seal assembly, the second lip and main lip of the first seal from
The axially-extending portion of the skeleton towards the second seal extends, and the axially-extending portion phase with the second seal
Mutually sealing.
Preferably, second lip and the main lip arranged for interval in the axial direction, wherein second lip and described
Any one of main lip is externally arranged environment side.
Preferably, the contact portion of first lip is formed with multiple slots, and the multiple slot is from the diameter of the contact portion
At least part of exterior surface extends to a part of the axial external surface of the contact portion.
Preferably, the multiple slot is helicla flute.
Preferably, the multiple slot is one-way spiral shape or bidirectional screw shape.
Preferably, the second seal is that individual component or the second seal are formed as second structure
A part of part.
Preferably, the second seal is formed as ring oiler.
Seal assembly according to the abovementioned embodiments of the present invention, compared with prior art, first seal are utilized by metal
Or contact portion made of ceramics is sealed against each other with the radial extension of second seal and is contacted, therefore has good abrasion resistance
Energy.
Detailed description of the invention
In the following, by being described in conjunction with feature, advantage and technical effect of the attached drawing to exemplary embodiment of the present invention, it is attached
Similar appended drawing reference indicates similar element in figure, wherein：
Fig. 1 shows a kind of sealing schematic diagram of the bearing of traditional heading machine cutting head.
Fig. 2 shows the schematic diagrames of a part in the section of the seal assembly of embodiment according to the present invention.
Fig. 3 shows the perspective view of a part of seal assembly according to another embodiment of the present invention.
Fig. 4 shows the schematic diagram of a part in the section of seal assembly according to still another embodiment of the invention.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.
In the accompanying drawings, for the sake of clarity, some structures, component or element may be omitted, some components or structure
The size of part may be reduced or amplify.Therefore, the size in attached drawing or proportionate relationship are exemplary, and are not used in and are limited this hair
It is bright.In addition, for the sake of clarity, the ruler of the different component parts or the same part or component of same component in different figures
Very little and/or proportionate relationship may be inconsistent, this is not used in the limitation present invention.
The present invention relates to a kind of seal assembly, can seal first component inner surface and second component outer surface it
Between annular space, wherein first component and second component are relatively rotatable to each other.Seal assembly includes first seal and second
Sealing element, and first seal can be fixedly mounted relative to the inner surface of first component, and second seal being capable of phase
The outer surface of second component is fixedly mounted.In the exemplary embodiment, first component can be with inner space and extremely
The box component of a few annular opening, and second component can be the annular opening that at least part is inserted into box component
In shaft component.For example, first component and second component can be that gear case body and at least part are inserted into gear respectively
Axis in the annular opening of box body.In a further exemplary embodiment, first component and second component can be bearing respectively
Outer ring and inner ring.
Fig. 2 shows the sectional views of a part of the seal assembly of embodiment according to the present invention.As shown in Fig. 2, according to
The seal assembly of the embodiment of the present invention includes first seal 1 and second seal 2.Wherein, first seal 1 includes skeleton
11 and multiple lips for being connect with skeleton 11.In a preferred embodiment, first seal 1 further includes spring 12.Second seal 2
The axially-extending portion 22 for being outwardly extending diametrically extension 21 including radially direction and extending along its axis direction.It is preferred that
Ground, second seal 2 are formed as the form of ring oiler shown in Fig. 2.But the invention is not limited thereto, second seal can also
To be the component in the form of other are suitble to.Ring oiler 2 can be made of various metal or alloy.
It should be noted that Fig. 2 illustrates only the various pieces of seal assembly along the section of the axis of seal assembly
A part of (half), actually seal assembly various pieces (skeleton 11, multiple lips and the spring 12 of first seal 1, and
The radial extension 21 and axially-extending portion 22 of ring oiler 2) all have the tubular shape of axis around seal assembly.
In the following, shape of the various pieces in section shown in Fig. 2 that seal assembly will be specifically described.Art technology
Personnel can expect the global shape and structure of various pieces based on the shape in section.
The skeleton 11 of first seal 1 includes the axially-extending portion 111 extended approximately along the axis direction of seal assembly
And extension 112 is inwardly extending radial approximately along the radial direction of seal assembly.Skeleton 11 can by various metals or
Alloy is made.In addition, skeleton 11 can also be made of rigid plastics.Certainly, the material of skeleton 11 is without being limited thereto, as long as can mention
Manufacture skeleton 11 is used equally for for the material of enough support strengths.
Multiple lips of first seal 1 include at least the first lip 13.First lip 13 can be arranged to from the substantially edge of skeleton 11
The axis direction of seal assembly extend outwardly.In a preferred embodiment, the axial end portion 131 of the first lip 13 is by metal or ceramics
It is made.Metal material specifically may include the single metal materials such as steel and various alloys.The axial end portion 131 of first lip 13
As contact portion, contact with each other under the assembled state of seal assembly with the radial extension 21 of ring oiler 2, it is close to realize
Envelope.
First lip 13 further includes the support portion 132 for being used to support axial end portion 131, and the first lip 13 passes through the support portion
132 are connected to skeleton 11.Support portion 132 is preferably made of rubber, elastoplastic elastomeric material.As a result, by constituting branch
The solidification of the elastic material of support part 132, the axial end portion 131 of the first lip 13 may be coupled to support portion 132, and support portion
132 may be coupled to skeleton 11, and the first lip 13 is thus connected to skeleton 11.Certainly, axial end portion 131 can also pass through gluing
Support portion 132 is connected to Deng suitable mode.
Multiple lips of first seal 1 further include the second lip 14,15.Second lip 14,15 can be arranged to big from skeleton 11
Cause extends internally along the radial direction of seal assembly.Under the assembled state of seal assembly, the second lip 14,15 can be with throwing oil
The contact or close of axially-extending portion 22 of ring 2, to realize sealing.In addition, the second lip 14,15 may include multiple lips (in figure
It is shown as two).Multiple lip can under the assembled state of seal assembly, at multiple positions with the axial direction of ring oiler 2
The contact or close of extension 22, to form labyrinth seal.
Multiple lips of first seal 1 further include main lip 16.Similar with the second lip 14,15, main lip 16 is also disposed to from bone
The radial direction of frame 11 approximately along seal assembly extends internally.Under the assembled state of seal assembly, main lip 16 can be with throwing
The contact of axially-extending portion 22 of oil ring 2 is to form sealing.In a preferred embodiment, spring 12 can be arranged in the radial direction of main lip 16
Outside.For example, spring 12 can be stuck in the groove of the radial outside of main lip 16, to prevent spring 12 sliding from first seal 1
It is de-.Under the assembled state of seal assembly, spring 12 can inwardly oppress main lip 16 along the radial direction of first seal 1, make
The axially-extending portion 22 of main lip 16 and ring oiler 2 is in close contact, to form good sealing.Spring 12 can by various metals or
Alloy is made.
Second lip 14,15 and main lip 16 can be made of rubber, elastoplastic elastomeric material.In a preferred embodiment,
Second lip 14,15 and main lip 16 can be integrally formed using identical material.For example, the second lip 14,15 and main lip 16 can be with
It is all made of rubber to be made, the two can be integrally connected on skeleton 11 by the solidification of rubber.In a further preferred embodiment,
The support portion 132 of first lip 13 can be integrally formed with the second lip 14,15 and main lip 16 using identical material.For example,
The support portion 132 of first lip 13 can be all made of rubber with the second lip 14,15 and main lip 16 and be made, and three can pass through rubber
Solidification is integrally connected on skeleton 11.
In the following, will be described in the principle that seal assembly according to the present invention is sealed in the assembled state.Below
Description in, using with inner space and at least one annular opening bearing tank shell as first component, and with
The axis in the annular opening of bearing tank shell can be at least partially inserted into as second component.But the invention is not limited thereto.
First component and second component are also possible to other similar box component and shaft component, and can also be bearing outer ring and
Inner ring.
Specifically, seal assembly according to the present invention can be assembled between bearing tank shell and axis, to seal bearing housing
The annular space formed between the annular opening and axis of shell.In the assembled state, first seal 1 is fixedly installed to bearing housing
On the inner surface of the end of shell, and ring oiler 2 is fixedly mounted on and (is covered) on axis.For example, first seal 1 can pass through
The axially-extending portion 111 of skeleton 11 is fitted into (interference fit) in the terminal interior surface of bearing tank shell, and the axial direction of ring oiler 2
Extension 22 can be with axis pressure cooperation (interference fit).In addition, in Fig. 2,1 side of first seal is towards bearing tank shell
Inside, that is, bearing side, and 2 side of ring oiler is towards the outside of bearing tank shell, that is, external environment side.Ring oiler 2 with
The rotation of axis can by from external environment dust and mud etc. throw away, be conducive to the sealing of seal assembly.
In addition, in the assembled state, the first radially extending from skeleton 11 towards ring oiler 2 of lip 13 of first seal 1
Portion 21 extends, and the radial extension 21 of the axial end portion 131 of the first lip 13 and ring oiler 2 contacts with each other to form sealing.
Since the axial end portion 131 of the first lip 13 is made of metal or ceramics, and ring oiler 2 is usually made of metal or alloy.As a result,
There is good wear resistance seal assembly of the invention in the more adverse circumstances such as dust, mud.
In addition, making the branch of the first lip 13 when first seal 1 to be fixedly installed to the terminal interior surface of bearing tank shell
It compresses support part 132.Since support portion 132 is made of elastic material, being capable of providing enough elastic forces ensures the first lip 13
Axial end portion 131 and ring oiler 2 radial extension 21 be in close contact, to provide good sealing performance.
In addition, in the assembled state, axial direction of the second lip 14,15 of first seal 1 from skeleton 11 towards ring oiler is prolonged
Extending portion 22 extends, and contact with the axially-extending portion of ring oiler 2 22 or close, is sealed with being formed.Further, since the second lip
14,15 include multiple lips (being illustrated as two), therefore can be connect at multiple positions and the axially-extending portion 22 of ring oiler 2
Touching is close, to form labyrinth seal, further ensures that sealing performance.
In addition, in the assembled state, the main lip 16 of first seal 1 is from skeleton 11 towards the axially-extending portion of ring oiler 2
22 extend, and contact with the axially-extending portion of ring oiler 2 22, to form sealing.Since spring 12 is outside in the diameter of main lip 16
The axially-extending portion 22 of side towards ring oiler 2 oppresses main lip 16, and main lip 16 can closely connect with the axially-extending portion 22 of ring oiler 2
Touching.Therefore, it is capable of providing good sealing in the case where bearing uses liquid oil lubrication, the leakage of lubricating oil is prevented, into one
Step ensures sealing performance.
In addition, in the above-described embodiments, in the assembled state, the second lip 14,15 and main lip 16 of first seal 1 and throwing
The contact or close of axially-extending portion 22 of oil ring 2.But the invention is not limited thereto.The second lip 14,15 and of first seal 1
Main lip 16 can directly be contacted with axis or the axially-extending portion 22 by forming sealing or the second lip 14,15 and ring oiler 2 recently
Contact is close, and main lip 16 is directly sealed with axis contact to be formed.Here, a part of axis plays the axial direction of ring oiler 2
The function of extension 22.
Seal assembly according to the present invention can pass through the first lip of first seal and the radial direction of second seal as a result,
The contact of extension forms the first sealing, passes through the second lip of first seal and the contact of the axially-extending portion of second seal
Or it is sealed close to forming second, and formed by the main lip of first seal with the contact of the axially-extending portion of second seal
Third sealing.Seal assembly of the invention can be used for being effectively sealed against as a result,.
It is integrated with according to the seal assembly of the invention of above-described embodiment for realizing float ring seal, edge seal, fan
Palace sealing and oil-tightening multiple portions, it is compared with prior art, compact-sized, installation space can be saved, reduces cost simultaneously
And reduce installation steps.
In addition, first seal is used and is made of metal or ceramics according to the seal assembly of the invention of above-described embodiment
Contact portion and the radial extension of the second seal made of metal or alloy etc. seal against each other contact and relative rotation, because
This, has good wear resistance in the more adverse circumstances such as dust, mud.
Fig. 3 shows the perspective view of a part of seal assembly according to another embodiment of the present invention.As shown in figure 3,
First seal 1 can also form multiple slots 133 on the axial end portion 131 of the first lip 13.Multiple slot 133 is from axial end portion
At least part of 131 radially-outer surface extends to a part of the axial external surface of axial end portion 131.Here, axial end
The axial external surface in portion 131 is to be sealed the surface of contact with second seal 2 under the assembled state of seal assembly.This is more
Dust and mud etc. can be pumped out seal assembly using centrifugal force when first seal 1 is rotated by a slot 133, to subtract
The abrasion of few seal assembly, extends the seal assembly service life.
Multiple slot 133 can be helicla flute.In addition, it is contemplated that the single direction rotation or bidirectional rotation of first seal 1, it should
Multiple slots 133 can be one-way spiral slot or two-way spiral groove.In addition, the section of multiple slot 133 can be V-type, semicircle
Deng.
In addition, in first seal 1 shown in Fig. 2, the axis direction of the second lip 14,15 and main lip 16 along seal assembly
Arranged for interval, and the second lip 14,15 is located at external environment side in the axial direction, and main lip 16 is located at bearing side.But this hair
Bright without being limited thereto, the second lip 14,15 and main lip 16 of first seal 1 can bases along the position of the axis direction of seal assembly
It is actually needed and exchanges.Fig. 4 shows the signal of a part in the section of seal assembly according to still another embodiment of the invention
Figure.In the embodiment shown in fig. 4, the second lip 14,15 of first seal 1 is located at bearing side, and main lip 16 is located at external rings
Border side.This is especially advantageous when bearing uses grease lubrication.When bearing uses grease lubrication, the second lip 14,15 is enough to play
The effect of seal grease.And the main lip 16 with more preferable sealing effect can stop the dust in external environment in external ambient side
Enter bearing side with mud etc..This is especially advantageous for the sealing in the more adverse circumstances of dust, mud.
The foregoing describe each embodiments of seal assembly according to the present invention.In the above-described embodiments, second seal
It is the individual component that can be fixedly mounted relative to the outer surface of second component, for example, second seal can be as above
The ring oiler.But the invention is not limited thereto, second seal can also be formed as a part of second component.For example,
Second component may be integrally formed and the axially-extending portion of second seal and radial extension shape and intimate
Part, these parts can with the corresponding lipped joint of first seal touch or it is close and formed seal.In addition, the one of second seal
Part can be made of a part on second component.For example, being equipped with a part of of the axis of second seal thereon can use
Make a part of the axially-extending portion of second seal.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (10)
1. a kind of seal assembly, the annular for being used to seal between the inner surface of first component and the outer surface of second component is empty
Between, wherein the first component and the second component are relatively rotatable to each other, and the seal assembly includes first seal and
Two sealing elements, the first seal can be fixedly mounted relative to the inner surface of first component, and the second seal
It can be fixedly mounted relative to the outer surface of the second component, the seal assembly is characterized in that,
The first seal includes skeleton and multiple lips for being connected with the skeleton, wherein the skeleton and the multiple lip
Annular shape is all had, the multiple lip includes the first lip, and first lip includes contacting made of metal or ceramics
Portion；And
The second seal includes radial extension,
Wherein, under the assembled state of the seal assembly, the first lip of the first seal is from the skeleton described in
The radial extension of second seal extends, and the radial extension of the contact portion of first lip and the second seal
Seal against each other contact.
2. seal assembly according to claim 1, wherein
First lip further includes the support portion for being used to support the contact portion, and first lip connects via the support portion
It is connected to the skeleton.
3. seal assembly according to claim 2, wherein
The skeleton is made of metal, and the support portion of first lip is made of elastic material, and first lip passes through the bullet
The solidification of property material is connected to the skeleton.
4. seal assembly according to any one of claim 1-3, wherein
The multiple lip of the first seal further includes the second lip and main lip, and the second seal further includes axial direction
Extension, under the assembled state of the seal assembly, the second lip and main lip of the first seal are from the skeleton direction
The axially-extending portion of the second seal extends, and seals against each other with the axially-extending portion of the second seal.
5. seal assembly according to claim 4, wherein
Second lip and the main lip arranged for interval in the axial direction, wherein any in second lip and the main lip
Person is externally arranged environment side.
6. seal assembly according to any one of claim 1-3, wherein
The contact portion of first lip is formed with multiple slots, and the multiple slot from the radially-outer surface of the contact portion to
Few a part extends to a part of the axial external surface of the contact portion.
7. seal assembly according to claim 6, wherein
The multiple slot is helicla flute.
8. seal assembly according to claim 6, wherein
The multiple slot is one-way spiral shape or bidirectional screw shape.
9. seal assembly according to any one of claim 1-3, wherein
The second seal is a part that individual component or the second seal are formed as the second component.
10. seal assembly according to claim 9, wherein
The second seal is formed as ring oiler.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710374006.9A CN108930794A (en) | 2017-05-24 | 2017-05-24 | Seal assembly |
| PCT/CN2018/087677 WO2018214848A1 (en) | 2017-05-24 | 2018-05-21 | Sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710374006.9A CN108930794A (en) | 2017-05-24 | 2017-05-24 | Seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108930794A true CN108930794A (en) | 2018-12-04 |
Family
ID=64395286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710374006.9A Pending CN108930794A (en) | 2017-05-24 | 2017-05-24 | Seal assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108930794A (en) |
| WO (1) | WO2018214848A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664253A (en) * | 2019-03-08 | 2020-09-15 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN111750107A (en) * | 2019-03-28 | 2020-10-09 | 舍弗勒技术股份两合公司 | Framework for sealing device and sealing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009257367A (en) * | 2008-04-14 | 2009-11-05 | Nok Corp | Oil seal |
| JP2013002564A (en) * | 2011-06-17 | 2013-01-07 | Ntn Corp | Rolling bearing |
| CN106151522B (en) * | 2015-03-27 | 2020-07-24 | 舍弗勒技术股份两合公司 | Electric drive shaft mounting structure |
| CN205154917U (en) * | 2015-10-15 | 2016-04-13 | 舍弗勒技术股份两合公司 | A seal structure for bearing |
-
2017
- 2017-05-24 CN CN201710374006.9A patent/CN108930794A/en active Pending
-
2018
- 2018-05-21 WO PCT/CN2018/087677 patent/WO2018214848A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664253A (en) * | 2019-03-08 | 2020-09-15 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN111664253B (en) * | 2019-03-08 | 2024-02-02 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN111750107A (en) * | 2019-03-28 | 2020-10-09 | 舍弗勒技术股份两合公司 | Framework for sealing device and sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018214848A1 (en) | 2018-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181204 |
|
| WD01 | Invention patent application deemed withdrawn after publication |