CN106286841B - Rotating shaft sealing structure and sealing ring for rotating shaft sealing - Google Patents
Rotating shaft sealing structure and sealing ring for rotating shaft sealing Download PDFInfo
- Publication number
- CN106286841B CN106286841B CN201611020606.7A CN201611020606A CN106286841B CN 106286841 B CN106286841 B CN 106286841B CN 201611020606 A CN201611020606 A CN 201611020606A CN 106286841 B CN106286841 B CN 106286841B
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- sealing
- rotating shaft
- rubber
- seal lip
- lip
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 218
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect 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
- F16J15/3232—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 Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention relates to a sealing ring for sealing a rotating shaft, which is arranged on the rotating shaft and embedded in a sealing ring groove of a shell, and comprises: the center of the rubber main body is provided with a sleeving hole for the interference sleeving of the rotating shaft; the root with rubber subject links to each other, and follows the first circular seal lip and the circular seal lip of second that rubber subject's axial interval set up, first circular seal lip with the lip face of the circular seal lip of second with the contained angle of rubber subject's axis is the acute angle, the outer fringe of first circular seal lip be for be used for with the crowded tight complex first sealing of tank bottom in seal ring groove, the outer fringe of the circular seal lip of second be for be used for with the crowded tight complex second sealing of lateral wall in seal ring groove. The sealing ring for sealing the rotating shaft can effectively improve the sealing performance of the shaft extending position. The invention also relates to a shaft sealing structure adopting the sealing ring for shaft sealing.
Description
Technical field
The present invention relates to rotary part technical field of sealing technology, is used more particularly, to a kind of rotating shaft sealing structure and rotating shaft sealing
Sealing ring.
Background technology
The power-equipment of some commercial Applications or the power-equipment used outdoors, because being in the severe work of comparison
Environment, generally has higher requirement to the water proof and dust proof performance of these power-equipments.
By taking motor as an example, electric automobile travels in heavy rain day, or the place of the excessively low-lying ponding of electric automobile during traveling, its
Driving motor is possible to of short duration and is dipped into water, therefore, in order to ensure to drive the safety of motor, it is desirable to which the degree of protection of motor exists
More than IP67.
However, the degree of protection of the motor of major part industrial applications in IP54 or following, integrally prevent by motor at present
Shield performance will reach more than IP67, and key is the dynamic sealing protection of axis external part, and the static seal of other positions is in contrast
Easily reach requirement.The sealing of traditional axis external part is generally non-contacting labyrinth seal, but this kind of sealing means can not
The objectionable impurities such as the effective water for preventing from entering from axis external part and dust, therefore this kind of sealing structure can not meet more than IP54
Sealing protection grade.
As it can be seen that how to realize that the sealing protection grade of shaft extended position greater degree is current people in the art
The technical problem of member's urgent need to resolve.
The content of the invention
An object of the present invention is to provide a kind of rotating shaft sealing sealing ring, to realize shaft extended position more
High-grade sealing.
Another object of the present invention, which also resides in, provides a kind of rotating shaft sealing structure using above-mentioned sealing ring.
To reach above-mentioned purpose, rotating shaft sealing sealing ring provided by the present invention, in shaft and being embedded
In the seal groove of housing, including:
Body of rubber, the center of the body of rubber offer the suit hole being inserted in for shaft interference;
Root is connected with the body of rubber, and the first circular seal lip of the axially spaced-apart setting along the body of rubber
With the second circular seal lip, labial surface and the body of rubber of the first circular seal lip and the second circular seal lip
The angle of axis is acute angle, and the outer rim of the first circular seal lip is for coordinating with the slot bottom jam-packed of the seal groove
The first sealing, the outer rim of the second circular seal lip is for second with the cooperation of the side wall jam-packed of the seal groove
Sealing.
Preferably, the distance between center line of the first circular seal lip outer rim and the body of rubber is L1, institute
It is L to state the distance between center line of the second circular seal lip outer rim and the body of rubber2, and L1< L2。
Preferably, the first circular seal lip and the second circular seal lip are towards the slot bottom of the seal groove
Tilt.
Preferably, the labial surface of the first circular seal lip and the second circular seal lip and the axis of the body of rubber
The angle of line is between 60 ° to 85 °.
Preferably, the first circular seal lip and the axis angle of the body of rubber, and second circular seal
Lip is equal with the axis angle of the body of rubber.
Preferably, further include between the first circular seal lip and the second circular seal lip, and with it is described
The middle circular sealing lip that body of rubber is connected, the outer rim of the middle operation sealing lip is for the side with the seal groove
The middle seal that wall jam-packed coordinates.
Preferably, the intermediate seal lip includes multiple, and is set along the axially spaced-apart of the body of rubber.
Preferably, first sealing, the second sealing and the middle seal include at least two and separate
The sub- lips of sealing of setting, and in any one of sealing, the sealed end for sealing sub- lips are respectively positioned on and are put down with sealing surface
In capable same plane.
Preferably, the body of rubber, the first circular seal lip and the second circular seal lip at least one also
It is provided with support frame.
Disclosed in this invention rotating shaft sealing structure, include housing and stretch out the shaft of the housing, the housing exists
The extended position of the shaft is provided with the seal groove for installing sealing ring, further includes:
As above the rotating shaft sealing sealing ring described in any one, the axle sealing ring interference that turns is in the shaft
On, and be embedded in the seal groove of the housing;
Axial compression part, the axial compression part coordinate with the shaft, and by the first sealing jam-packed described
The slot bottom of seal groove, by the second sealing jam-packed on the side wall of the seal groove.
Preferably, between first sealing and the slot bottom of the seal groove, and second sealing and institute
State and be also coated with grease layer between the side wall of seal groove.
Preferably, when the rotating shaft sealing includes middle circular sealing lip with sealing ring, the middle seal and institute
State and be also coated with the grease layer between the side wall of seal groove.
Preferably, when the distance between center line of the first circular seal lip outer rim and the body of rubber is L1,
Less than the distance between the center line of the second circular seal lip outer rim and body of rubber L2When, described first is circular close
There is gap between envelope lip outer rim and the side wall of the seal groove.
Preferably, the axial length of the body of rubber is more than the depth of the seal groove, and both differences are
1mm-1.5mm。
After rotating shaft sealing is set in shaft with the body of rubber interference of sealing ring, shaft can be followed to rotate together,
After completing installation, the first sealing of the first circular seal lip outer rim will be sealed with the slot bottom jam-packed of seal groove, and second is circular
Second sealing of sealing lip outer rim will be sealed with the side wall jam-packed of seal groove, and under inactive state, two sealing stations are enough
Ensure the position sealing grade reach IP67 and more than;And when the spindle is rotated, body of rubber drives the first circular seal lip
Shaft is followed to rotate with the second circular seal lip, under the influence of centrifugal force, the first circular seal lip and the second circular seal lip
There is the movement tendency vertical with the axis of body of rubber, this can cause the slot bottom pressure of the first sealing and seal groove to subtract
Weak, the leakproofness of the position is deteriorated, but the side wall of the second sealing and seal groove will extrude it is tighter, the position it is close
Envelope property will significantly improve, this cause the sealing grade of two sealing stations still may remain in IP67 and more than.
It can be seen from the above that disclosed in this invention rotating shaft sealing sealing ring, and rotating shaft sealing structure can carry effectively
The sealing protection grade of high shaft extended position, therefore can meet the requirement of more high sealing grade.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the rotating shaft sealing sealing ring disclosed in the embodiment of the present invention;
Fig. 2 is the schematic cross-sectional view 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 rotating shaft sealing position in Fig. 3;
Fig. 5 is the cooperation schematic diagram of the sealing lip and sealing surface that include two sub- sealing lips.
Wherein, 1 is body of rubber, and 2 be the first circular seal lip, and 3 be the second circular seal lip, and 4 be shaft, and 5 be housing,
6 be sealing surface.
Embodiment
One of core of the present invention is to provide a kind of rotating shaft sealing sealing ring, to realize shaft extended position more
High-grade sealing.
Another core of the present invention, which also resides in, provides a kind of rotating shaft sealing structure using above-mentioned sealing ring.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Please refer to Fig.1 and Fig. 2, Fig. 1 be the embodiment of the present invention disclosed in rotating shaft sealing sealing ring overall structure
Schematic diagram, Fig. 2 are the schematic cross-sectional view of the rotating shaft sealing sealing ring shown in Fig. 1.
Rotating shaft sealing sealing ring disclosed in this invention, in shaft and being embedded the sealing ring in housing 5
Inside groove, which includes body of rubber 1, the first circular seal lip 2 and the second circular seal lip 3 with sealing ring, such as Fig. 1
Shown in Fig. 2, the center of body of rubber 1 offers the suit hole being inserted in for shaft interference, the first circular seal lip 2 and second
Circular seal lip 3 is connected with the cylindrical of body of rubber 1, and the two circular seal lips are arranged at intervals, the first circular seal
The labial surface of 2 and second circular seal lip 3 of lip and the axis angle of body of rubber 1 be acute angle (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 the first sealing with the cooperation of the slot bottom jam-packed of seal groove
Portion, the outer rim of the second circular seal lip 3 is for the second sealing with the cooperation of the side wall jam-packed of seal groove.
After rotating shaft sealing is set in shaft with 1 interference of body of rubber of sealing ring, shaft can be followed to rotate together,
After completing installation, the first sealing of 2 outer rim of the first circular seal lip will be sealed with the slot bottom jam-packed of seal groove, and second is circular
Second sealing of 3 outer rim of sealing lip will be sealed with the side wall jam-packed of seal groove, and under inactive state, two sealing stations are enough
Ensure axis 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 2 and second circular seal lip 3 of lip follows shaft to rotate, and under the influence of centrifugal force, the first circular seal lip 2 and second is circular
Sealing lip 3 has the movement tendency vertical with the axis of body of rubber 1, this can cause the slot bottom of the first sealing and seal groove
Pressure weakens, and the leakproofness of the position is deteriorated, but the side wall of the second sealing and seal groove will extrude tighter, the position
The leakproofness put will significantly improve, this cause the sealing grade of two sealing stations still may remain in IP67 and more than.
It can be seen from the above that turn axle sealing ring disclosed in above-described embodiment and can effectively improve the close of shaft extended position
Degree of protection is sealed, so as to meet the requirement of more high sealing grade.
Please refer to Fig.2, in the present embodiment, between 2 outer rim of the first circular seal lip and the center line of body of rubber 1 away from
From for L1, the distance between the center line of 3 outer rim of the second circular seal lip and body of rubber 1 is L2, in order to ensure leakproofness
While frictional resistance is reduced, L when preferable in the present embodiment1< L2, this can be to avoid the first circular seal lip 2 and seal groove
Contacted while the jam-packed of bottom with the side wall of seal groove, so as to avoid whole sealing ring from producing excessive friction with seal groove
Power.
It will be readily appreciated by those skilled in the art that in order to ensure that the slot bottom of the first circular seal lip 2 and seal groove squeezes
Tightening seal, the first circular seal lip 2 should be tilted towards the slot bottom of seal groove, and the incline direction of the second circular seal lip 3
Then unrestricted, it can be tilted towards the slot bottom of seal groove, can also be inclined towards the direction opposite with the slot bottom of seal groove
Tiltedly, it is contemplated that design and the convenience of manufacture, the incline direction and the first circular seal lip of the second circular seal lip 3 in the present embodiment
2 incline direction is consistent.
In order to while leakproofness is ensured, avoid the axial dimension of too increase rotating shaft sealing sealing ring, this implementation
The labial surface of the first circular seal lip 2 and the second circular seal lip 3 and the axis angle of body of rubber 1 are held in 60 ° extremely in example
Between 85 °, including 60 ° and 85 ° of two endpoint values, equally it is to consider design and easily manufactured, the first circular seal lip 2 and rubber
The axis angle β of main body 1, and the second circular seal lip 3 are equal with the axis angle α of body of rubber 1, recommend in the present embodiment
Angle is 80 ° or 85 °.
In order to further improve sealing effect, it will be appreciated by those skilled in the art that improvement be, in the first circular seal
The circular sealing lip in centre is additionally provided between 2 and second circular seal lip 3 of lip, middle circle sealing lip can be one and be alternatively
Multiple, when the setting of middle circular seal lip is multiple, middle circle sealing lip should be set along the axially spaced-apart of body of rubber 1,
The outer rim of middle circle sealing lip is the middle seal coordinated with the side wall jam-packed of seal groove.
First sealing, the second sealing and middle seal can be single lip seal, or lips or more lips
Sealing, in order to improve sealing effect, in the technical solution disclosed in the present embodiment, above-mentioned several sealings each at least
Including two sub- lips of the sealing being provided separately, as shown in Figure 5, in any one sealing, the sealed end of sub- lips is sealed
It is respectively positioned in the same plane parallel with sealing surface 6, it is excessive to avoid some sub- lips of sealing and the pressure of sealing surface 6, and have
The situation that sub- lips is not yet contacted with sealing surface 6 is sealed a bit to occur.Need to illustrate, the sealing surface 6 in the present embodiment
Specifically refer to the bottom surface of seal groove or the side wall directly contacted with sealing sub- lips.
According to different needs, can also be in body of rubber 1, the first circular seal lip 2 and the second circular seal lip 3 extremely
Support frame is added in few one, to meet the rigidity requirement of different application occasion countershaft sealing sealing ring.
In addition, the axis external part of a kind of rotating shaft sealing structure, especially motor is also disclosed in the embodiment of the present invention
Sealing structure, as shown in Figures 3 and 4, which includes housing 5 and stretches out the shaft of housing 5, and housing 5 exists
The extended position of shaft is additionally provided with the seal groove for installing sealing ring, in addition, the rotating shaft sealing structure further includes:
Rotating shaft sealing sealing ring disclosed in above-mentioned any one embodiment, rotating shaft sealing sealing ring interference
In shaft, and it is embedded in the seal groove of housing 5, it is by setting that countershaft sealing carries out axial limiting with sealing ring
What the shaft shoulder in shaft was realized;
Axial compression part, the axial compression part and shaft coordinate, and by the first sealing jam-packed seal groove slot bottom,
By the second sealing jam-packed on the side wall of seal groove.
After rotating shaft sealing is set in shaft with 1 interference of body of rubber of sealing ring, shaft can be followed to rotate together,
After completing installation, the first sealing of 2 outer rim of the first circular seal lip will be sealed with the slot bottom jam-packed of seal groove, and second is circular
Second sealing of 3 outer rim of sealing lip will be sealed with the side wall jam-packed of seal groove, and under inactive state, two sealing stations are enough
Ensure axis 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 2 and second circular seal lip 3 of lip follows shaft to rotate, and under the influence of centrifugal force, the first circular seal lip 2 and second is circular
Sealing lip 3 has the movement tendency vertical with the axis of body of rubber 1, this can cause the slot bottom of the first sealing and seal groove
Pressure weakens, and the leakproofness of the position is deteriorated, but the side wall of the second sealing and seal groove will extrude tighter, the position
The leakproofness put will significantly improve, this cause the sealing grade of two sealing stations still may remain in IP67 and more than.
It can be seen from the above that the rotating shaft sealing structure disclosed in above-described embodiment can effectively improve the close of shaft extended position
Degree of protection is sealed, so as to meet the requirement of more high sealing grade.
Axial compression part can be that threaded connection or screw are connected with shaft, and the circumferential compressing member in the present embodiment is preferred
Be connected by screw thread with shaft, rotating shaft sealing can be compressed with sealing ring after axial rotary compressing member, in order to ensure shaft is close
Envelope sealing ring can be compacted, and the 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 in 1mm to 1.5mm.
Understandable to be, since the sealing means in above-mentioned rotating shaft sealing structure are contact seal, first is close
Friction is certainly existed between envelope portion and the second sealing and seal groove, operation is reduced at the same time in order to reduce the friction of contact position
Noise, in the present embodiment between the first sealing and the slot bottom of seal groove, and the side of the second sealing and seal groove
Grease layer is also coated between wall.
Further, for the same purpose, it is middle when rotating shaft sealing includes middle circular sealing lip with sealing ring
Grease layer is also coated between sealing and the side wall of seal groove.
The distance between center line of first circular seal lip, 2 outer rim and body of rubber 1 is L1, the second circular seal lip 3
The distance between center line of outer rim and body of rubber 1 is L2, in order to reduce frictional resistance, this reality while leakproofness is ensured
L when applying preferable in example1< L2, this to complete between 2 outer rim of the first circular seal lip and the side wall of seal groove to have after installing
There is gap, so as to avoid the first circular seal lip 2 from being contacted with while the jam-packed of seal groove bottom with the side wall of seal groove, drop
Low-frictional force.
The rotating shaft sealing structure in the present invention and rotating shaft sealing are described in detail with sealing ring above.Herein should
The principle of the present invention and embodiment are set forth with specific case, the explanation of above example is only intended to help to manage
Solve the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, do not departing from
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this hair
In bright scope of the claims.
Claims (12)
1. a kind of rotating shaft sealing sealing ring, in shaft and being embedded in the seal groove of housing (5), its feature
It is, including:
Body of rubber (1), the center of the body of rubber (1) offer the suit hole being inserted in for shaft interference;
Root is connected with the body of rubber (1), and the first circular seal of the axially spaced-apart setting along the body of rubber (1)
The labial surface of lip (2) and the second circular seal lip (3), the first circular seal lip (2) and the second circular seal lip (3) with
The angle of the axis of the body of rubber (1) is acute angle, the outer rim of the first circular seal lip (2) be for it is described close
The first sealing that the slot bottom jam-packed of seal groove coordinates, the outer rim of the second circular seal lip (3) be for the sealing
The second sealing that the side wall jam-packed of ring recess coordinates;
The labial surface of the first circular seal lip (2) and the second circular seal lip (3) and the axis of the body of rubber (1)
Angle between 60 ° to 85 °;
The first circular seal lip (2) and the second circular seal lip (3) tilt towards the slot bottom of the seal groove.
2. rotating shaft sealing sealing ring according to claim 1, it is characterised in that the first circular seal lip (2) is outside
The distance between edge and the center line of the body of rubber (1) are L1, the second circular seal lip (3) outer rim and the rubber
The distance between center line of main body (1) is L2, and L1< L2。
3. rotating shaft sealing sealing ring according to claim 1, it is characterised in that the first circular seal lip (2) with
The axis angle of the body of rubber (1), and the second circular seal lip (3) and the axis angle of the body of rubber (1)
It is equal.
4. according to the rotating shaft sealing sealing ring described in claim 1-3 any one, it is characterised in that further include positioned at described
Between first circular seal lip (2) and the second circular seal lip (3), and the middle circle being connected with the body of rubber (1)
Shape sealing lip, the outer rim of the middle circular sealing lip is for the intermediate seal with the cooperation of the side wall jam-packed of the seal groove
Portion.
5. rotating shaft sealing sealing ring according to claim 4, it is characterised in that circular sealing lip includes more among described
It is a, and set along the axially spaced-apart of the body of rubber (1).
6. rotating shaft sealing sealing ring according to claim 4, it is characterised in that first sealing, the second sealing
Portion and the middle seal include at least two sub- lips of the sealing being provided separately, and in any one of sealing
In, the sealed end for sealing sub- lips is respectively positioned in the same plane parallel with sealing surface.
7. the rotating shaft sealing sealing ring according to claim 1-3,5-6 any one, it is characterised in that the rubber master
Body (1), the first circular seal lip (2) and the second circular seal lip (3) are additionally provided with support frame at least one.
8. a kind of rotating shaft sealing structure, including housing (5) and the shaft for stretching out the housing (5), the housing (5) is at described turn
The extended position of axis is provided with the seal groove for installing sealing ring, it is characterised in that further includes:
Rotating shaft sealing sealing ring as described in claim 1-7 any one, the axle sealing ring interference that turns is in institute
State in shaft, and be embedded in the seal groove of the housing (5);
Axial compression part, the axial compression part coordinate with the shaft, and by the first sealing jam-packed in the sealing
The slot bottom of ring recess, by the second sealing jam-packed on the side wall of the seal groove.
9. rotating shaft sealing structure according to claim 8, it is characterised in that first sealing and the seal groove
Slot bottom between, and be also coated with grease layer between second sealing and the side wall of the seal groove.
10. rotating shaft sealing structure according to claim 9, it is characterised in that when the rotating shaft sealing sealing ring includes
During middle circle sealing lip, the grease layer is also coated between the side wall of the middle seal and the seal groove.
11. rotating shaft sealing structure according to claim 8, it is characterised in that when the first circular seal lip (2) outer rim
The distance between center line of the body of rubber (1) is L1, less than the second circular seal lip (3) outer rim and the rubber
The distance between the center line of glue main body (1) L2When, the side wall of the first circular seal lip (2) outer rim and the seal groove
Between there is gap.
12. rotating shaft sealing structure according to claim 8, it is characterised in that the axial length of the body of rubber (1) is big
In the depth of the seal groove, and both differences are 1mm-1.5mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611020606.7A CN106286841B (en) | 2016-11-21 | 2016-11-21 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611020606.7A CN106286841B (en) | 2016-11-21 | 2016-11-21 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
Publications (2)
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CN106286841A CN106286841A (en) | 2017-01-04 |
CN106286841B true CN106286841B (en) | 2018-04-20 |
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CN201611020606.7A Active CN106286841B (en) | 2016-11-21 | 2016-11-21 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
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CN (1) | CN106286841B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB889530A (en) * | 1958-04-28 | 1962-02-14 | Timken Roller Bearing Co | A bearing assembly including a sealing member |
US3955859A (en) * | 1975-03-25 | 1976-05-11 | The Torrington Company | Bearing with multiple lip seal |
GB2029913B (en) * | 1978-09-11 | 1982-07-14 | Bestobell Seals Ltd | Sealing ring assemblies |
GB2080444B (en) * | 1980-07-17 | 1985-01-23 | Aeroquip Ltd | Shaft seals |
CN2091384U (en) * | 1991-04-12 | 1991-12-25 | 宁素彬 | Rotary rubber seal ring |
CN201313319Y (en) * | 2008-12-19 | 2009-09-23 | 北京机电院高技术股份有限公司 | Waterproofing sealing structure for cutter shaft of section cutter |
CN102782374B (en) * | 2010-03-03 | 2015-11-25 | 索尤若驱动有限及两合公司 | For making structure and the gear mechanism of rotatably mounted axle and shell noncontact seal |
CN202520952U (en) * | 2011-11-29 | 2012-11-07 | 郭强 | Long/short-lip unilaterally-sealed Y-shaped rubber moving seal ring |
US20140319773A1 (en) * | 2013-04-26 | 2014-10-30 | Crosby HOFF | Rotary seal device |
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 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
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2016
- 2016-11-21 CN CN201611020606.7A patent/CN106286841B/en active Active
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