CN105909797A - Oil seal, sealing structure and motor - Google Patents
Oil seal, sealing structure and motor Download PDFInfo
- Publication number
- CN105909797A CN105909797A CN201610472515.0A CN201610472515A CN105909797A CN 105909797 A CN105909797 A CN 105909797A CN 201610472515 A CN201610472515 A CN 201610472515A CN 105909797 A CN105909797 A CN 105909797A
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- lip
- face
- sealing
- end cap
- 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
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
- F16J15/3232—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
-
- 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
- F16J15/3268—Mounting of sealing 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The embodiment of the invention discloses an oil seal, a sealing structure and a motor. The oil seal comprises an oil seal body. The first end face of the oil seal body is provided with first lip openings. The second end face of the oil seal body is provided with second lip openings. The first lip openings and the second lip openings are opposite in opening direction. When the oil seal has certain axial displacement, it at least can be guaranteed that one of the end faces is attached to a corresponding part, and a very good sealing function is achieved. Thus, compared with the prior art, the oil seal is adopted for axial movement on a rotation shaft, effective sealing can be guaranteed under the situation that pressure is over large, losses are increased or pressure becomes small, and therefore the protection level is improved.
Description
Technical field
The present invention relates to technical field of sealing technology, more particularly, it relates to a kind of oil sealing, seal structure and
Motor.
Background technology
The at present power-equipment of some commercial Application or the power-equipment that uses out of doors, because being in ratio
More severe working environment, may require that these power-equipments have preferable water proof and dust proof performance.With motor
As a example by, electric automobile travels at rainstorm weather, or electric automobile during traveling crosses the place of low-lying ponding, its
The ofest short duration being dipped in water of motor；Therefore, in order to make motor reach security performance requirement, typically
The degree of protection requiring motor can reach more than IP67 level.So that integral protection grade is wanted to reach
IP67, it is preferred to use contact type sealing structure, but use current contact type sealing structure, its frictional dissipation
Excessive, once occur that rotating shaft moves axially, pressure excessive loss increases, or the situation that pressure diminishes
Time, seal frictional dissipation is relatively big it cannot be guaranteed that sealing surface effectively contacts, thus cannot ensure effectively to seal,
It is unable to reach degree of protection requirement.
Therefore, how to improve degree of protection, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of oil sealing, to improve degree of protection；
Second object of the present invention is to provide a kind of sealing structure applying above-mentioned oil sealing and motor.
For achieving the above object, the present invention provides following technical scheme:
A kind of oil sealing, including oil sealing body, the first end face on described oil sealing body is provided with the first lip,
Second end face of described oil sealing body is provided with the second lip, and described first lip is opened with described second lip
Mouth is contrary.
Preferably, in above-mentioned oil sealing, the angle of described first lip and/or the angle of described second lip
More than 0 ° less than 90 °.
Preferably, in above-mentioned oil sealing, the quantity of described first lip is multi-disc, the first lip described in multi-disc
Mouth maintains an equal level mutually with described first end face.
Preferably, in above-mentioned oil sealing, the quantity of described second lip is multi-disc, the second lip described in multi-disc
Mouth maintains an equal level mutually with described second end face.
Preferably, in above-mentioned oil sealing, described oil sealing body interior is additionally provided with support frame.
Preferably, in above-mentioned oil sealing, described oil sealing body is by oil resistant, high temperature resistant and wear-resisting rubber
Material makes.
A kind of sealing structure, including rotating shaft, pressing plate, oil sealing and end cap, wherein, described end cap is arranged on
In described rotating shaft, described pressing plate is fixed on described end cap, is formed and hold between described end cap and described pressing plate
Receiving the space of described oil sealing, described oil sealing is arranged in this space, and described oil sealing is any of the above-described technical side
Oil sealing described in case, described first end face and described pressing plate are adjacent to and/or described second end face and described end cap
It is adjacent to.
Preferably, in above-mentioned sealing structure, described end cap is provided with groove, described groove and described pressure
Plate forms the space accommodating described oil sealing.
Preferably, in above-mentioned sealing structure, the degree of depth of described groove is less than described first end face and described the
Distance between biend.
Preferably, in above-mentioned sealing structure, in described space, it is filled with lubricating grease.
Preferably, in above-mentioned sealing structure, described rotating shaft and described oil sealing interference fit.
Preferably, in above-mentioned sealing structure, described rotating shaft is provided with the location shaft shoulder, the described location shaft shoulder
Abut against with described oil sealing.
A kind of motor, including sealing structure, described sealing structure is close described in any of the above-described technical scheme
Seal structure.
From above-mentioned technical scheme it can be seen that use the oil sealing the present invention, there is the first lip and the
Two lips, and the first lip and the second lip are arranged on two different end faces and opening direction contrary,
When oil sealing has certain axially displacement, at least ensure that one of them arranges the end face of lip with corresponding
Position fits, and plays good sealing function.Therefore, oil in the present invention is compared with prior art used
Be enclosed in rotating shaft to move axially, pressure excessive loss increase, or pressure diminish situation time all can protect
Card effectively seals, thus improves degree of protection.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The perspective view of the oil sealing that Fig. 1 is provided by the embodiment of the present invention one；
The oil sealing sectional structure schematic diagram that Fig. 2 is provided by the embodiment of the present invention one；
The oil sealing sectional structure schematic diagram that Fig. 3 is provided by the embodiment of the present invention two；
The sectional structure schematic diagram of the sealing structure that Fig. 4 is provided by the embodiment of the present invention.
Wherein, 100 be oil sealing, 200 for rotating shaft, 300 for end cap, 400 for pressing plate, 500 for space, 101
For oil sealing body, 102 be the first lip, 103 be the second lip, 104 be the first end face, 105 be second
End face.
Detailed description of the invention
Described in background technology, the raising of motor integral protection grade depends on and seals structure
Use, and the movable sealing protection that it is critical only that axle stretch end improved for its degree of protection for motor；This
The sealing protection being because other positions of motor is static seal protection, and static seal protection to realize high
Degree of protection is relatively simple.
The movable sealing protection of traditional axle stretch end is non-contacting labyrinth seal structure and contact seal
Structure.Wherein, non-contacting labyrinth seal structure cannot effectively prevent from axle is stretched enter water and
Dust etc. harmful substance；And contact type sealing structure more easily reachs the requirement of shelter of IP67, but, connect
Touch seals structure, once occurs that rotating shaft moves axially, and pressure excessive loss increases, or pressure becomes
During little situation, seal frictional dissipation is relatively big it cannot be guaranteed that sealing surface effectively contacts, thus cannot ensure
Effectively seal.Therefore, the present invention is directed to above-mentioned situation, first core of the present invention is to provide a kind of oil
Envelope, to improve degree of protection；Second core of the present invention is to provide a kind of sealing applying above-mentioned oil sealing
Structure and motor.
Hereinafter, referring to the drawings embodiment is illustrated.Additionally, embodiments illustrated below is not to right
Summary of the invention described in requirement plays any restriction effect.It addition, composition represented by example below
Full content is not limited to as necessary to the solution of the invention described in claim.
The stereochemical structure referring to the oil sealing 100 that Fig. 1 to Fig. 2, Fig. 1 are provided by the embodiment of the present invention one is shown
It is intended to；The sectional structure schematic diagram of the oil sealing 100 that Fig. 2 is provided by the embodiment of the present invention one.
The oil sealing 100 that the embodiment of the present invention provides, including oil sealing body 101, first on oil sealing body 101
End face 104 is provided with the first lip 102, and the second end face 105 of oil sealing body 101 is provided with the second lip
103, the first lip 102 is contrary with the second lip 103 opening.
Use the oil sealing 100 in the present invention, there is the first lip 102 and the second lip 103, and the first lip
102 are arranged on two different end faces with the second lip 103 and opening direction is contrary, when oil sealing 100 has
During certain axially displacement, at least ensure that one of them end face fits with corresponding position, play very well
Sealing function.Therefore, oil sealing 100 in the present invention is compared with prior art used to have axially in rotating shaft 200
Effectively sealing is all ensure that during the situation that movement, pressure excessive loss increase, or pressure diminish, from
And improve degree of protection.
In order to be further ensured that sealing effectiveness, and angle R1 of the first lip 102 is less than 90 ° more than 0 °.
It is arranged such the width that can increase oil sealing so that the end face arranging lip is easier to and the parts matched
Fit tightly.
In order to optimize technique scheme, angle R2 of the second lip 103 is less than 90 ° more than 0 °.
It should be noted that angle R2 of angle R1 of above-mentioned first lip 102 and the second lip 103 all with
Oil sealing body 101 is reference, and wherein the first lip 102 is near the basic of oil sealing body 101 and the first end
Face 104 is parallel, basic the most equal with the second end face 105 near oil sealing body 101 of the second lip 103
OK.Angle R1 of the first lip 102 is specially the angle between the first lip 102 both sides, the second lip 103
Angle R2 be specially the angle between the second lip 103 both sides.
In above example, the first lip 102 and the second lip 103 quantity are a piece of, in order to further
Ensure protective reliability, refer to Fig. 3, the quantity of the first lip 102 is multi-disc, multi-disc the first lip
Mouth 102 maintains an equal level with the first end face 104 phase.
Explanation, multi-disc the first lip 102 is needed to maintain an equal level with the first end face 104 phase, i.e. multi-disc the first lip
102 near one end of the first end face 104 with the first end face 104 in the same plane.
Further in technical scheme, the quantity of the second lip 103 is multi-disc, multi-disc the second lip 103 with
Second end face 105 phase maintains an equal level.
Explanation, multi-disc the second lip 103 is needed to maintain an equal level with the second end face 105 phase, i.e. multi-disc the second lip
103 near one end of the second end face 105 with the second end face 105 in the same plane.
In order to improve the intensity of oil sealing 100, oil sealing body 101 is internal is additionally provided with support frame.
In order to extend the service life of this oil sealing 100, oil sealing body 101 is by oil resistant, high temperature resistant and wear-resisting
Elastomeric material make.
Refering to Fig. 4, the invention also discloses a kind of sealing structure, including rotating shaft 200, pressing plate 400, oil sealing
100 and end cap 300, wherein, end cap 300 is arranged in rotating shaft 200, and pressing plate 400 is fixed on end cap 300,
Forming the space 500 accommodating oil sealing 100 between end cap 300 and pressing plate 400, oil sealing 100 is arranged on this space
In 500, oil sealing 100 is the oil sealing 100 of any of the above-described technical scheme, and the first end face 104 is adjacent to pressing plate 400
And/or second end face 105 be adjacent to end cap 300.
The space 500 of above-mentioned receiving oil sealing 100 is surrounded by pressing plate 400 and end cap 300, wherein it is possible to
Arranging groove on pressing plate 400, end cap 300 is slab construction；Or it is provided with groove, groove on end cap 300
The space 500 accommodating oil sealing 100 is formed with pressing plate 400.The embodiment of the present invention uses the version of the latter.
In order to optimize such scheme, lubricating grease is filled in space 500, reduces frictional dissipation further and improves water proofing property
Energy.
In order to ensure sealing effectiveness, the degree of depth of groove is less than between the first end face 104 and the second end face 105
Distance L.To ensure that oil sealing 100 second end face 105 fits tightly with end cap 300, the first end face of oil sealing 100
104 fit tightly with pressing plate 400, it is ensured that the reliability that oil sealing 100 seals.
Oil sealing 100 can be followed rotating shaft 200 and be rotated together, it is also possible to does not follow rotating shaft 200 and rotates together,
In the embodiment of the present invention, oil sealing 100 is followed rotating shaft 200 and is rotated together, it is possible to guarantee effectively further is close
Envelope effect, rotating shaft 200 and oil sealing 100 interference fit.
Being provided with the location shaft shoulder in rotating shaft 200, the location shaft shoulder abuts against with oil sealing 100.When rotating shaft 200 occurs
When moving axially, it is possible to ensure that oil sealing 100 can be followed rotating shaft 200 and be moved together.First end of oil sealing 100
Face 104 is adjacent to pressing plate 400 and/or the second end face 105 is adjacent to end cap 300, it is ensured that this new structure
Sealing.
A kind of motor, including sealing structure, seals the sealing structure that structure is any of the above-described technical scheme.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (13)
1. an oil sealing, including oil sealing body (101), it is characterised in that described oil sealing body (101)
On the first end face (104) be provided with the first lip (102), the second of described oil sealing body (101)
End face (105) is provided with the second lip (103), described first lip (102) and described second lip
(103) opening is contrary.
2. oil sealing as claimed in claim 1, it is characterised in that the angle of described first lip (102)
And/or the angle of described second lip (103) more than 0 ° less than 90 °.
3. oil sealing as claimed in claim 1, it is characterised in that the quantity of described first lip (102)
For multi-disc, the first lip (102) described in multi-disc maintains an equal level mutually with described first end face (104).
4. oil sealing as claimed in claim 1, it is characterised in that the quantity of described second lip (103)
For multi-disc, the second lip (103) described in multi-disc maintains an equal level mutually with described second end face (105).
5. oil sealing as claimed in claim 1, it is characterised in that described oil sealing body (101) is internal
It is additionally provided with support frame.
6. oil sealing as claimed in claim 1, it is characterised in that described oil sealing body (101) is by resistance to
Oily, high temperature resistant and wear-resisting elastomeric material makes.
7. one kind seals structure, it is characterised in that include rotating shaft (200), pressing plate (400), oil sealing
With end cap (300), wherein, described end cap (300) is arranged in described rotating shaft (200), described pressure
Plate (400) is fixed on described end cap (300), described end cap (300) and described pressing plate (400)
Between form the space (500) accommodating described oil sealing, in described oil sealing is arranged on this space (500),
Described oil sealing is the oil sealing according to any one of claim 1 to 6, and described first end face (104) is with described
Pressing plate (400) is adjacent to and/or described second end face (105) is adjacent to described end cap (300).
Seal structure the most as claimed in claim 7, it is characterised in that described end cap (300) is upper to be arranged
Fluted, described groove and described pressing plate (400) form the described space (500) accommodating described oil sealing.
Seal structure the most as claimed in claim 8, it is characterised in that the degree of depth of described groove is less than institute
State the distance between the first end face (104) and described second end face (105).
Seal structure the most as claimed in claim 8, it is characterised in that described space is filled out in (500)
It is filled with lubricating grease.
11. seal structure as claimed in claim 7, it is characterised in that described rotating shaft (200) and institute
State oil sealing interference fit.
12. seal structure as claimed in claim 7, it is characterised in that described rotating shaft sets on (200)
Being equipped with the location shaft shoulder, the described location shaft shoulder abuts against with described oil sealing.
13. 1 kinds of motors, including sealing structure, it is characterised in that described sealing structure is claim 7
To the sealing structure according to any one of 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472515.0A CN105909797A (en) | 2016-06-22 | 2016-06-22 | Oil seal, sealing structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472515.0A CN105909797A (en) | 2016-06-22 | 2016-06-22 | Oil seal, sealing structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105909797A true CN105909797A (en) | 2016-08-31 |
Family
ID=56759491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610472515.0A Pending CN105909797A (en) | 2016-06-22 | 2016-06-22 | Oil seal, sealing structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286841A (en) * | 2016-11-21 | 2017-01-04 | 珠海格力电器股份有限公司 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
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| CN2610172Y (en) * | 2003-04-30 | 2004-04-07 | 万向钱潮股份有限公司 | Contact two-lid sealing structure |
| CN1513095A (en) * | 2001-06-04 | 2004-07-14 | Nok株式会社 | Sealing device |
| CN102563076A (en) * | 2012-02-28 | 2012-07-11 | 苏州市吴中区东方成套电器设备有限公司 | Shaft seal device |
| CN103542091A (en) * | 2012-07-10 | 2014-01-29 | 珠海格力电器股份有限公司 | Sealing ring and screw compressor with same |
| CN203548584U (en) * | 2013-07-18 | 2014-04-16 | 安徽中鼎泰克汽车密封件有限公司 | Seal ring of car clutch release bearing |
| JP2014070728A (en) * | 2012-10-02 | 2014-04-21 | Nok Corp | Oil seal |
| CN203926773U (en) * | 2014-06-16 | 2014-11-05 | 哈尔滨理工大学 | One can auto-compensation associated sealing arrangement for bearings |
| CN203967877U (en) * | 2014-05-19 | 2014-11-26 | 深圳市大地和电气股份有限公司 | A kind of motor shaft seal structure |
| US20160047474A1 (en) * | 2014-08-14 | 2016-02-18 | Federal-Mogul Corporation | Shaft seal assembly with exclusion pump dust lip |
| CN205689761U (en) * | 2016-06-22 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of oil sealing, sealing structure and motor |
-
2016
- 2016-06-22 CN CN201610472515.0A patent/CN105909797A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385156Y (en) * | 1998-09-18 | 2000-06-28 | 重庆钢铁(集团)有限责任公司 | Bidirectional sealing ring |
| CN1513095A (en) * | 2001-06-04 | 2004-07-14 | Nok株式会社 | Sealing device |
| CN2610172Y (en) * | 2003-04-30 | 2004-04-07 | 万向钱潮股份有限公司 | Contact two-lid sealing structure |
| CN102563076A (en) * | 2012-02-28 | 2012-07-11 | 苏州市吴中区东方成套电器设备有限公司 | Shaft seal device |
| CN103542091A (en) * | 2012-07-10 | 2014-01-29 | 珠海格力电器股份有限公司 | Sealing ring and screw compressor with same |
| JP2014070728A (en) * | 2012-10-02 | 2014-04-21 | Nok Corp | Oil seal |
| CN203548584U (en) * | 2013-07-18 | 2014-04-16 | 安徽中鼎泰克汽车密封件有限公司 | Seal ring of car clutch release bearing |
| CN203967877U (en) * | 2014-05-19 | 2014-11-26 | 深圳市大地和电气股份有限公司 | A kind of motor shaft seal structure |
| CN203926773U (en) * | 2014-06-16 | 2014-11-05 | 哈尔滨理工大学 | One can auto-compensation associated sealing arrangement for bearings |
| US20160047474A1 (en) * | 2014-08-14 | 2016-02-18 | Federal-Mogul Corporation | Shaft seal assembly with exclusion pump dust lip |
| CN205689761U (en) * | 2016-06-22 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of oil sealing, sealing structure and motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286841A (en) * | 2016-11-21 | 2017-01-04 | 珠海格力电器股份有限公司 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
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Application publication date: 20160831 |
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