CN106286841A - A kind of rotating shaft sealing structure and rotating shaft sealing sealing ring - Google Patents
A kind of rotating shaft sealing structure and rotating shaft sealing sealing ring Download PDFInfo
- Publication number
- CN106286841A CN106286841A CN201611020606.7A CN201611020606A CN106286841A CN 106286841 A CN106286841 A CN 106286841A CN 201611020606 A CN201611020606 A CN 201611020606A CN 106286841 A CN106286841 A CN 106286841A
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- Prior art keywords
- sealing
- rotating shaft
- rubber
- seal lip
- circular seal
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
The present invention relates to a kind of rotating shaft sealing sealing ring, for being arranged in rotating shaft and being embedded in the seal groove of housing, including: body of rubber, the center of described body of rubber offers the suit hole being inserted in for rotating shaft interference；Root is connected with described body of rubber, and along described body of rubber axially spaced-apart arrange the first circular seal lip and the second circular seal lip, the labial surface of described first circular seal lip and described second circular seal lip is acute angle with the angle of the axis of described body of rubber, the outer rim of described first circular seal lip is that the outer rim of described second circular seal lip is for squeezing friction tight second sealing with the sidewall of described seal groove for squeezing friction tight first sealing with the bottom land of described seal groove.This rotating shaft sealing sealing ring can be effectively improved the sealing property of axle extended position.The invention still further relates to a kind of axle sealing structure using above-mentioned sealing sealing ring.
Description
Technical field
The present invention relates to rotary part technical field of sealing technology, especially relate to a kind of rotating shaft sealing structure and rotating shaft sealing is used
Sealing ring.
Background technology
The power-equipment of some commercial Application or the power-equipment used out of doors, because being in the work that comparison is severe
Environment, typically has higher requirement to the water proof and dust proof performance of these power-equipments.
As a example by motor, electric automobile travels in heavy rain sky, or electric automobile during traveling crosses the place of low-lying hydrops, its
Drive that motor is the ofest short duration is dipped in water, therefore, in order to ensure to drive the safety of motor, it is desirable to the degree of protection of motor exists
More than IP67.
But, at present the degree of protection of the motor of major part industrial applications is at IP54 or following, and motor entirety is prevented
Protect performance more than IP67 to be reached, it is critical only that the movable sealing protection of axle external part, and the static seal of other positions is comparatively speaking
Easily reach requirement.The sealing of traditional axle external part is generally non-contacting labyrinth seal, but this kind of sealing means cannot
Effectively preventing the objectionable impurities such as the water from the entrance of axle external part and dust, therefore this kind of sealing structure cannot meet more than IP54
Sealing protection grade.
Visible, the sealing protection grade how being capable of rotating shaft extended position greater degree is current people in the art
Member needs badly and solves the technical problem that.
Summary of the invention
An object of the present invention is to provide a kind of rotating shaft sealing sealing ring, to being capable of rotating shaft extended position more
High-grade sealing.
Another object of the present invention also resides in a kind of rotating shaft sealing structure using above-mentioned sealing ring of offer.
For reaching above-mentioned purpose, rotating shaft sealing sealing ring provided by the present invention, it is used for being arranged in rotating shaft and is embedded
In the seal groove of housing, including:
Body of rubber, the center of described body of rubber offers the suit hole being inserted in for rotating shaft interference；
Root is connected with described body of rubber, and the first circular seal lip of the axially spaced-apart setting along described body of rubber
With the second circular seal lip, the labial surface of described first circular seal lip and described second circular seal lip and described body of rubber
The angle of axis is acute angle, and the outer rim of described first circular seal lip is to coordinate for the bottom land jam-packed with described seal groove
The first sealing, the outer rim of described second circular seal lip is for squeezing friction tight second with the sidewall of described seal groove
Sealing.
Preferably, the distance between described first circular seal lip outer rim and the centrage of described body of rubber is L1, institute
The distance stated between the second circular seal lip outer rim and the centrage of described body of rubber is L2, and L1＜ L2。
Preferably, described first circular seal lip and described second circular seal lip are all towards the bottom land of described seal groove
Tilt.
Preferably, the labial surface of described first circular seal lip and described second circular seal lip and the axle of described body of rubber
The angle of line is between 60 ° to 85 °.
Preferably, described first circular seal lip and the axis angle of described body of rubber, and described second circular seal
Lip is equal with the axis angle of described body of rubber.
Preferably, also include between described first circular seal lip and described second circular seal lip, and with described
The middle circular sealing lip that body of rubber is connected, the described middle outer rim running sealing lip is for the side with described seal groove
Wall squeezes friction tight middle seal.
Preferably, described intermediate seal lip includes multiple, and along the axially spaced-apart setting of described body of rubber.
Preferably, described first sealing, the second sealing and described middle seal the most at least include two separately
The sub-lips of sealing arranged, and in any one of sealing, the sealed end sealing sub-lips is respectively positioned on flat with sealing surface
In the same plane of row.
Preferably, in described body of rubber, the first circular seal lip and described second circular seal lip at least one also
It is provided with support frame.
The rotating shaft sealing structure that disclosed in this invention, including housing and the rotating shaft stretching out described housing, described housing exists
The extended position of described rotating shaft is provided with the seal groove for installing sealing ring, also includes:
As above the rotating shaft sealing sealing ring described in any one, described rotating shaft sealing ring interference is in described rotating shaft
On, and be embedded in the seal groove of described housing；
Axial compression part, described axial compression part coordinates with described rotating shaft, and by described first sealing jam-packed described
The bottom land of seal groove, by described second sealing jam-packed on the sidewall of described seal groove.
Preferably, between described first sealing and the bottom land of described seal groove, and described second sealing and institute
State and between the sidewall of seal groove, be also coated with grease layer.
Preferably, when described rotating shaft sealing sealing ring includes middle circular sealing lip, described middle seal and institute
State and between the sidewall of seal groove, be also coated with described grease layer.
Preferably, the distance between described first circular seal lip outer rim and the centrage of described body of rubber is L1,
Less than distance L between described second circular seal lip outer rim and the centrage of described body of rubber2Time, described first is circular close
Between envelope lip outer rim and the sidewall of described seal groove, there is gap.
Preferably, the axial length of described body of rubber is more than the degree of depth of described seal groove, and both differences are
1mm-1.5mm。
After the body of rubber interference of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed and rotate together,
After completing to install, the bottom land jam-packed with seal groove is sealed by the first sealing of the first circular seal lip outer rim, and second is circular
Sidewall jam-packed with seal groove is sealed by the second sealing of sealing lip outer rim, and under resting state, two sealing stations be enough to
Ensure the sealing grade of this position reach IP67 and more than；And when the spindle is rotated, body of rubber drives the first circular seal lip
Axis of rotation is followed with the second circular seal lip, under the influence of centrifugal force, the first circular seal lip and the second circular seal lip
All having the movement tendency vertical with the axis of body of rubber, this can cause the first sealing to subtract with the bottom land pressure of seal groove
Weak, the sealing of this position is deteriorated, but the second sealing and the sidewall of seal groove will extrude tighter, this position close
Envelope property will significantly improve, this make the sealing grade of two sealing stations still may remain in IP67 and more than.
As can be seen here, the rotating shaft sealing sealing ring that disclosed in this invention, and rotating shaft sealing structure can effectively carry
The sealing protection grade of high rotating shaft extended position, therefore can meet the use requirement of more high sealing grade.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of rotating shaft sealing sealing ring disclosed in the embodiment of the present invention；
Fig. 2 is the cross-sectional schematic of the rotating shaft sealing sealing ring shown in Fig. 1；
Fig. 3 is the schematic diagram of the rotating shaft sealing structure disclosed in the embodiment of the present invention；
Fig. 4 is the enlarged diagram of Fig. 3 shaft sealing station；
Fig. 5 be the sealing lip including two sub-sealing lips with sealing surface coordinate schematic diagram.
Wherein, 1 is body of rubber, and 2 is the first circular seal lip, and 3 is the second circular seal lip, and 4 is rotating shaft, and 5 is housing,
6 is sealing surface.
Detailed description of the invention
One of core of the present invention is to provide a kind of rotating shaft sealing sealing ring, to being capable of rotating shaft extended position more
High-grade sealing.
Another core of the present invention also resides in a kind of rotating shaft sealing structure using above-mentioned sealing ring of offer.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
Refer to the overall structure that Fig. 1 and Fig. 2, Fig. 1 are rotating shaft sealing sealing ring disclosed in the embodiment of the present invention
Schematic diagram, Fig. 2 is the cross-sectional schematic of the rotating shaft sealing sealing ring shown in Fig. 1.
Rotating shaft sealing sealing ring disclosed in this invention, for being arranged in rotating shaft and be embedded the sealing ring at housing 5
Inside groove, this rotating shaft sealing sealing ring includes body of rubber the 1, first circular seal lip 2 and the second circular seal lip 3, such as Fig. 1
Shown in Fig. 2, the center of body of rubber 1 offers the suit hole being inserted in for rotating shaft interference, the first circular seal lip 2 and second
Circular seal lip 3 is connected at the cylindrical with body of rubber 1, and the two circular seal lip interval is arranged, the first circular seal
Lip 2 and the labial surface of the second circular seal lip 3 are acute angle with the axis angle of body of rubber 1 and (are i.e. more than 0 °, the folder less than 90 °
Angle), as shown in Figure 2, the outer rim of the first circular seal lip 2 is for squeezing friction tight first sealing with the bottom land of seal groove
Portion, the outer rim of the second circular seal lip 3 is for squeezing friction tight second sealing with the sidewall of seal groove.
After body of rubber 1 interference of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed and rotate together,
After completing to install, the bottom land jam-packed with seal groove is sealed by the first sealing of the first circular seal lip 2 outer rim, and second is circular
Sidewall jam-packed with seal groove is sealed by the second sealing of sealing lip 3 outer rim, and under resting state, two sealing stations be enough to
Ensure axle extended position sealing grade reach IP67 and more than；And when the spindle is rotated, body of rubber 1 drives the first circle close
Envelope lip 2 and the second circular seal lip 3 follow axis of rotation, and under the influence of centrifugal force, the first circular seal lip 2 and second is circular
Sealing lip 3 all has the movement tendency vertical with the axis of body of rubber 1, and this can cause the bottom land of the first sealing and seal groove
Pressure weakens, and the sealing of this position is deteriorated, but the second sealing and the sidewall of seal groove will extrude tighter, this position
The sealing put will significantly improve, this make the sealing grade of two sealing stations still may remain in IP67 and more than.
As can be seen here, disclosed in above-described embodiment rotating shaft sealing ring can be effectively improved the close of rotating shaft extended position
Envelope degree of protection, thus meet the use requirement of more high sealing grade.
Refer to Fig. 2, in the present embodiment, between the first circular seal lip 2 outer rim and the centrage of body of rubber 1 away from
From for L1, the distance between the second circular seal lip 3 outer rim and the centrage of body of rubber 1 is L2, in order to ensure sealing
Reduce frictional resistance, L time in the present embodiment preferably simultaneously1＜ L2, this can be avoided the first circular seal lip 2 and seal groove
With the sidewall contact of seal groove while the jam-packed of bottom, thus whole sealing ring is avoided to produce excessive friction with seal groove
Power.
Skilled addressee readily understands that, in order to ensure that the first circular seal lip 2 squeezes with the bottom land of seal groove
Tightening seal, the first circular seal lip 2 should tilt towards the bottom land of seal groove, and the incline direction of the second circular seal lip 3
The most unrestricted, it can tilt towards the bottom land of seal groove, it is possible to inclines towards the direction contrary with the bottom land of seal groove
Tiltedly, it is contemplated that the convenience designing and manufacturing, the incline direction of the second circular seal lip 3 and the first circular seal lip in the present embodiment
The incline direction of 2 is consistent.
In order to while ensureing sealing, it is to avoid the undue axial dimension increasing rotating shaft sealing sealing ring, this enforcement
In example, the first circular seal lip 2 and the labial surface of the second circular seal lip 3 are held in 60 ° extremely with the axis angle of body of rubber 1
Between 85 °, including 60 ° and 85 ° of two endpoint values, it is to consider to design and easily manufactured equally, the first circular seal lip 2 and rubber
The axis angle β of main body 1, and the second circular seal lip 3 is equal with the axis angle α of body of rubber 1, recommends in the present embodiment
Angle is 80 ° or 85 °.
In order to improve sealing effectiveness further, the improvement that it will be appreciated by those skilled in the art that is, in the first circular seal
Being additionally provided with middle circular sealing lip between lip 2 and the second circular seal lip 3, middle circular sealing lip can be one and be alternatively
Multiple, when middle circular seal lip arranges multiple, middle circular sealing lip should be arranged along the axially spaced-apart of body of rubber 1,
The outer rim of middle circular sealing lip is that the sidewall with seal groove squeezes friction tight middle seal.
First sealing, the second sealing and middle seal can be single lip seal, it is possible to for lips or many lips
Sealing, in order to improve sealing effectiveness, in technical scheme disclosed in the present embodiment, above-mentioned several sealing each of which are at least
Including two sub-lips of the sealing being provided separately, as shown in Figure 5, in any one sealing, seal the sealed end of sub-lips
It is respectively positioned in the same plane parallel with sealing surface 6, excessive with the pressure of sealing surface 6 to avoid some to seal sub-lips, and have
The situation that the sub-lips of a little sealing not yet contacts with sealing surface 6 occurs.Need to illustrate, the sealing surface 6 in the present embodiment
The bottom surface specifically referred to and seal the seal groove that sub-lips directly contacts or sidewall.
According to different needs, it is also possible at body of rubber the 1, first circular seal lip 2 and the second circular seal lip 3 extremely
Few one adds support frame, to meet the rigidity requirement of different application occasion countershaft sealing sealing ring.
In addition, the embodiment of the present invention also discloses the axle external part of a kind of rotating shaft sealing structure, especially motor
Sealing structure, as shown in Figures 3 and 4, this rotating shaft sealing structure includes housing 5 and stretches out the rotating shaft of housing 5, and housing 5 exists
The extended position of rotating shaft is additionally provided with the seal groove for installing sealing ring, it addition, this rotating shaft sealing structure also includes:
Rotating shaft sealing sealing ring disclosed in above-mentioned any one embodiment, this rotating shaft sealing sealing ring interference
In rotating shaft, and being embedded in the seal groove of housing 5, it is by arranging that countershaft sealing sealing ring carries out axial limiting
The shaft shoulder in rotating shaft realizes；
Axial compression part, this axial compression part coordinates with rotating shaft, and by the first sealing jam-packed at the bottom land of seal groove,
By the second sealing jam-packed on the sidewall of seal groove.
After body of rubber 1 interference of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed and rotate together,
After completing to install, the bottom land jam-packed with seal groove is sealed by the first sealing of the first circular seal lip 2 outer rim, and second is circular
Sidewall jam-packed with seal groove is sealed by the second sealing of sealing lip 3 outer rim, and under resting state, two sealing stations be enough to
Ensure axle extended position sealing grade reach IP67 and more than；And when the spindle is rotated, body of rubber 1 drives the first circle close
Envelope lip 2 and the second circular seal lip 3 follow axis of rotation, and under the influence of centrifugal force, the first circular seal lip 2 and second is circular
Sealing lip 3 all has the movement tendency vertical with the axis of body of rubber 1, and this can cause the bottom land of the first sealing and seal groove
Pressure weakens, and the sealing of this position is deteriorated, but the second sealing and the sidewall of seal groove will extrude tighter, this position
The sealing put will significantly improve, this make the sealing grade of two sealing stations still may remain in IP67 and more than.
As can be seen here, disclosed in above-described embodiment rotating shaft sealing structure can be effectively improved the close of rotating shaft extended position
Envelope degree of protection, thus meet the use requirement of more high sealing grade.
Axial compression part can be threaded with rotating shaft or screw is connected, and the circumferential compressing member in the present embodiment is preferred
Be connected with rotating shaft by screw thread, rotating shaft sealing sealing ring can be compressed after axial rotary compressing member, close in order to ensure rotating shaft
Envelope sealing ring can be compacted, and the degree of depth of the seal groove in the present embodiment is slightly less than the axial length of body of rubber 1, both
Difference be advisable at 1mm to 1.5mm.
Understandable, owing to the sealing means in above-mentioned rotating shaft sealing structure is contact seal, therefore first is close
Certainly exist friction between envelope portion and the second sealing and seal groove, reduce operation to reduce the friction of contact position simultaneously
Noise, in the present embodiment between the first sealing and the bottom land of seal groove, and the side of the second sealing and seal groove
Grease layer also it is coated with between wall.
Further, for the same purpose, when rotating shaft sealing sealing ring includes middle circular sealing lip, middle
Grease layer it is also coated with between sealing and the sidewall of seal groove.
Distance between first circular seal lip 2 outer rim and the centrage of body of rubber 1 is L1, the second circular seal lip 3
Distance between the centrage of outer rim and body of rubber 1 is L2, in order to reduce frictional resistance, this reality while ensureing sealing
L when executing preferred in example1＜ L2, this has between the first circular seal lip 2 outer rim and the sidewall of seal groove after having made to install
There is a gap, thus avoid bottom the first circular seal lip 2 and seal groove while jam-packed the sidewall contact with seal groove, fall
Low-frictional force.
Above the rotating shaft sealing structure in the present invention and rotating shaft sealing sealing ring are described in detail.Herein should
Being set forth principle and the embodiment of the present invention by specific case, the explanation of above example is only intended to help reason
Solve method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into this
In bright scope of the claims.
Claims (14)
1. a rotating shaft sealing sealing ring, is used for being arranged in rotating shaft and being embedded in the seal groove of housing (5), its feature
It is, including:
Body of rubber (1), the center of described body of rubber (1) offers the suit hole being inserted in for rotating shaft interference；
Root is connected with described body of rubber (1), and the first circular seal of the axially spaced-apart setting along described body of rubber (1)
Lip (2) and the second circular seal lip (3), the labial surface of described first circular seal lip (2) and described second circular seal lip (3) with
The angle of the axis of described body of rubber (1) is acute angle, and the outer rim of described first circular seal lip (2) is for for close with described
The bottom land of seal groove squeezes friction tight first sealing, and the outer rim of described second circular seal lip (3) is for being used for and described sealing
The sidewall of ring recess squeezes friction tight second sealing.
Rotating shaft sealing sealing ring the most according to claim 1, it is characterised in that described first circular seal lip (2) is outward
Distance between the centrage of edge and described body of rubber (1) is L1, described second circular seal lip (3) outer rim and described rubber
Distance between the centrage of main body (1) is L2, and L1＜ L2。
Rotating shaft sealing sealing ring the most according to claim 1, it is characterised in that described first circular seal lip (2) and
Described second circular seal lip (3) all tilts towards the bottom land of described seal groove.
Rotating shaft sealing sealing ring the most according to claim 1, it is characterised in that described first circular seal lip (2) and
The angle of the labial surface of described second circular seal lip (3) and the axis of described body of rubber (1) is between 60 ° to 85 °.
Rotating shaft sealing sealing ring the most according to claim 4, it is characterised in that described first circular seal lip (2) with
The axis angle of described body of rubber (1), and the axis angle of described second circular seal lip (3) and described body of rubber (1)
Equal.
6. according to the rotating shaft sealing sealing ring described in claim 1-5 any one, it is characterised in that also include being positioned at described
Between first circular seal lip (2) and described second circular seal lip (3), and the middle circle being connected with described body of rubber (1)
Shape sealing lip, the outer rim of described middle circular sealing lip is for squeezing friction tight intermediate seal with the sidewall of described seal groove
Portion.
Rotating shaft sealing sealing ring the most according to claim 6, it is characterised in that described intermediate seal lip includes multiple,
And along the axially spaced-apart setting of described body of rubber (1).
Rotating shaft sealing sealing ring the most according to claim 6, it is characterised in that described first sealing, the second sealing
Portion and described middle seal the most at least include two sub-lips of the sealing being provided separately, and at any one of sealing
In, the sealed end sealing sub-lips is respectively positioned in the same plane parallel with sealing surface.
9. according to the rotating shaft sealing sealing ring described in claim 1-5,7-8 any one, it is characterised in that described rubber master
Body (1), the first circular seal lip (2) and described second circular seal lip (3) at least one are additionally provided with support frame.
10. a rotating shaft sealing structure, including housing (5) and the rotating shaft of stretching out described housing (5), described housing (5) is described
The extended position of rotating shaft is provided with the seal groove for installing sealing ring, it is characterised in that also include:
Rotating shaft sealing sealing ring as described in claim 1-9 any one, described rotating shaft sealing ring interference is in institute
State in rotating shaft, and be embedded in the seal groove of described housing (5)；
Axial compression part, described axial compression part coordinates with described rotating shaft, and by described first sealing jam-packed in described sealing
The bottom land of ring recess, by described second sealing jam-packed on the sidewall of described seal groove.
11. rotating shaft sealing structures according to claim 10, it is characterised in that described first sealing and described sealing ring
Between the bottom land of groove, and also it is coated with grease layer between described second sealing and the sidewall of described seal groove.
12. rotating shaft sealing structures according to claim 11, it is characterised in that when described rotating shaft sealing sealing ring includes
During middle circular sealing lip, between the sidewall of described middle seal and described seal groove, it is also coated with described grease layer.
13. rotating shaft sealing structures according to claim 10, it is characterised in that when described first circular seal lip (2) outward
Distance between the centrage of edge and described body of rubber (1) is L1, less than described second circular seal lip (3) outer rim with described
Distance L between the centrage of body of rubber (1)2Time, described first circular seal lip (2) outer rim and the side of described seal groove
There is between wall gap.
14. rotating shaft sealing structures according to claim 10, it is characterised in that the axial length of described body of rubber (1)
More than the degree of depth of described seal groove, and both differences are 1mm-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020606.7A CN106286841B (en) | 2016-11-21 | 2016-11-21 | A kind of rotating shaft sealing structure and rotating shaft sealing sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020606.7A CN106286841B (en) | 2016-11-21 | 2016-11-21 | A kind of rotating shaft sealing structure and rotating shaft sealing sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286841A true CN106286841A (en) | 2017-01-04 |
| CN106286841B CN106286841B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611020606.7A Active CN106286841B (en) | 2016-11-21 | 2016-11-21 | A kind of rotating shaft sealing structure and rotating shaft sealing sealing ring |
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| CN (1) | CN106286841B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013313A (en) * | 2022-06-20 | 2022-09-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Sealing member, connecting assembly and compressor |
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|---|---|---|---|---|
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| US3955859A (en) * | 1975-03-25 | 1976-05-11 | The Torrington Company | Bearing with multiple lip seal |
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| US20150377357A1 (en) * | 2014-06-30 | 2015-12-31 | Aktiebolaget Skf | V-ring seal with wipers |
| CN104315148A (en) * | 2014-09-30 | 2015-01-28 | 河南三维重工有限公司 | Improved sealing element for universal joint of cross axle type universal shaft coupler |
| CN105909797A (en) * | 2016-06-22 | 2016-08-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil seal, sealing structure and motor |
| CN206175663U (en) * | 2016-11-21 | 2017-05-17 | 珠海格力电器股份有限公司 | Rotary shaft seal structure and for rotary shaft seal sealing washer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013313A (en) * | 2022-06-20 | 2022-09-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Sealing member, connecting assembly and compressor |
| CN115013313B (en) * | 2022-06-20 | 2023-10-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Sealing member, coupling assembling and compressor |
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| CN106286841B (en) | 2018-04-20 |
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