CN206175663U - 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
- CN206175663U CN206175663U CN201621242050.1U CN201621242050U CN206175663U CN 206175663 U CN206175663 U CN 206175663U CN 201621242050 U CN201621242050 U CN 201621242050U CN 206175663 U CN206175663 U CN 206175663U
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- rotating shaft
- seal lip
- rubber
- circular seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 231
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 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
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 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
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- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
The utility model relates to a pivot is sealed to be used sealing washer for install in the pivot and inlay the sealing washer inslot of establishing at the casing, include: 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 utility model discloses still relate to an adopt the axle seal structure of above-mentioned sealing washer for shaft seal.
Description
Technical field
This utility model is related to rotary part technical field of sealing technology, close more particularly, to a kind of rotating shaft sealing structure and rotating shaft
Envelope sealing ring.
Background technology
The power-equipment of some commercial Applications or the power-equipment for using out of doors, because being in the severe work of comparison
Environment, typically has higher requirement to the water proof and dust proof performance of these power-equipments.
By taking motor as an example, electric automobile is travelled in heavy rain day, or where the excessively low-lying hydrops of electric automobile during traveling, its
Motor is possible to of short duration and is dipped in water, therefore, in order to ensure 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 current major part industrial applications is in IP54 or following, motor is integrally prevented
Shield performance will reach more than IP67, it is critical only that the dynamic sealing protection of axle external part, and the static seal of other positions is comparatively
Easily reach requirement.The sealing of traditional axle external part is generally non-contacting labyrinth seal, but this kind of sealing means cannot
Water and the objectionable impurities such as dust entered from axle external part are effectively prevented, therefore this kind of sealing structure cannot meet more than IP54
Sealing protection grade.
It can be seen that, the sealing protection grade for how realizing rotating shaft extended position greater degree is current people in the art
The technical problem of member's urgent need to resolve.
Utility model content
One of the purpose of this utility model is to provide a kind of rotating shaft sealing sealing ring, to realizing that position is stretched out in rotating shaft
Put the sealing of greater degree.
Another object of the present utility model also resides in a kind of rotating shaft sealing structure using above-mentioned sealing ring of offer.
To reach above-mentioned purpose, rotating shaft sealing sealing ring provided by the utility model, for being arranged in rotating shaft simultaneously
It is embedded in the seal groove of housing, including：
Body of rubber, the center of the body of rubber offers the suit hole being inserted in for rotating 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 labial surface and the body of rubber of the second circular seal lip, 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 bottom land jam-packed of the seal groove
The first sealing, the outer rim of the second circular seal lip is to squeeze friction tight second for the side wall with the seal groove
Sealing.
Preferably, the distance between the first circular seal lip outer rim and centrage of the body of rubber are L1, institute
The distance between the second circular seal lip outer rim and centrage of the body of rubber are stated for L2, and L1＜ L2。
Preferably, the first circular seal lip and the second circular seal lip are towards the bottom land of the seal groove
Incline.
Preferably, the axle of the labial surface of the first circular seal lip and the second circular seal lip and the body of rubber
The angle of line is between 60 ° to 85 °.
Preferably, the axis angle of the first circular seal lip and the body of rubber, and second circular seal
Lip is equal with the axis angle of the body of rubber.
Preferably, also include be located between the first circular seal lip and the second circular seal lip, and with it is described
The middle circle 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
Wall squeezes friction tight middle seal.
Preferably, the intermediate seal lip include it is multiple, and along the body of rubber axially spaced-apart arrange.
Preferably, first sealing, the second sealing and the middle seal at least separate including two
The sub- lips of sealing of setting, and in any one of sealing, the sealed end of the sub- lips of sealing is respectively positioned on puts 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.
Rotating shaft sealing structure disclosed in this utility model, including housing and the rotating shaft for stretching out the housing, the shell
Body is provided with the seal groove for installing sealing ring in the extended position of the rotating shaft, also includes：
As above the rotating shaft sealing sealing ring described in any one, the axle sealing ring interference that turns is in the rotating shaft
On, and be embedded in the seal groove of the housing；
Axial compression part, the axial compression part coordinates with the rotating shaft, and by the first sealing jam-packed described
The bottom land of seal groove, by the second sealing jam-packed on the side wall of the seal groove.
Preferably, between first sealing and the bottom land of the seal groove, and second sealing and institute
Grease layer is also coated between the side wall for stating seal groove.
Preferably, when the rotating shaft sealing includes middle circle sealing lip with sealing ring, the middle seal and institute
The grease layer is also coated between the side wall for stating seal groove.
Preferably, when the distance between the first circular seal lip outer rim and centrage of the body of rubber are L1,
Less than the distance between the second circular seal lip outer rim and the centrage of 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 the body of rubber interference of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed to rotate together,
After completing to install, the first sealing of the first circular seal lip outer rim will be sealed with the bottom land jam-packed of seal groove, and second is circular
By the side wall jam-packed sealing with seal groove, under resting state, two sealing stations be enough to second sealing of sealing lip outer rim
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
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
There is 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 the position is deteriorated, but the second sealing is tighter with what the side wall of seal groove will be extruded, 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.
As can be seen here, the rotating shaft sealing sealing ring disclosed in this utility model, and rotating shaft sealing structure can have
Effect improves the sealing protection grade of rotating shaft extended position, therefore can meet the use requirement of more high sealing grade.
Description of the drawings
Fig. 1 is the overall structure diagram of the rotating shaft sealing sealing ring disclosed in this utility model embodiment；
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 this utility model embodiment；
Fig. 4 is the enlarged diagram of rotating shaft sealing position in Fig. 3；
Fig. 5 is cooperation schematic diagram of the sealing lip with sealing surface for including two sub- sealing lips.
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.
Specific embodiment
One of core of the present utility model is to provide a kind of rotating shaft sealing sealing ring, to realizing that position is stretched out in rotating shaft
Put the sealing of greater degree.
Another core of the present utility model also resides in a kind of rotating shaft sealing structure using above-mentioned sealing ring of offer.
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and it is embodied as
The utility model is described in further detail for mode.
Refer to Fig. 1 and the entirety that Fig. 2, Fig. 1 are the rotating shaft sealing sealing ring disclosed in this utility model embodiment
Structural representation, 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 the utility model, in the rotating shaft and being embedded in the close of housing 5
Seal groove the inside, the rotating shaft sealing includes body of rubber 1, the first circular seal lip 2 and the second circular seal lip 3 with sealing ring,
As shown in Figures 1 and 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
With the second circular seal lip 3 being connected with the cylindrical of body of rubber 1, and the two circular seal lip interval settings, the first circle
The labial surface of the circular seal lip 3 of shape sealing lip 2 and second is acute angle and (i.e. more than 0 °, is less than with the axis angle of body of rubber 1
90 ° of angle), as shown in Figure 2, the outer rim of the first circular seal lip 2 is to squeeze friction tight for the bottom land with seal groove
First sealing, the outer rim of the second circular seal lip 3 is to squeeze friction tight second sealing for the side wall with seal groove.
After the interference of body of rubber 1 of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed to rotate together,
After completing to install, the first sealing of the outer rim of the first circular seal lip 2 will be sealed with the bottom land jam-packed of seal groove, and second is circular
By the side wall jam-packed sealing with seal groove, under resting state, two sealing stations be enough to second sealing of the outer rim of sealing lip 3
Ensure shaft extension out position sealing grade reach IP67 and more than；And when the spindle is rotated, body of rubber 1 drives the first circle close
The envelope circular seal lip 3 of lip 2 and second follows axis of rotation, 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, and this can cause the bottom land of the first sealing and seal groove
Pressure weakens, and the sealing of the position is deteriorated, but the second sealing is tighter with what the side wall of seal groove will be extruded, the position
The sealing put will be significantly improved, this cause the sealing grade of two sealing stations still may remain in IP67 and more than.
As can be seen here, turning axle sealing ring and can effectively improve the close of rotating shaft extended position disclosed in above-described embodiment
Envelope degree of protection, so as to meet the use requirement of more high sealing grade.
Refer to Fig. 2, in the present embodiment, between the centrage of the outer rim of the first circular seal lip 2 and body of rubber 1 away from
From for L1, the distance between the centrage of the outer rim of the second circular seal lip 3 and body of rubber 1 is L2, in order to ensure sealing
Frictional resistance, L when preferred in the present embodiment are reduced 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, so as to avoid whole sealing ring from producing excessive friction with seal groove
Power.
Skilled addressee readily understands that, in order to ensure that the first circular seal lip 2 is squeezed with the bottom land of seal groove
Tightening seal, the first circular seal lip 2 should be inclined towards the bottom land of seal groove, and the incline direction of the second circular seal lip 3
Then unrestricted, it can be inclined towards the bottom land of seal groove, also can be inclined towards the direction contrary with the bottom land of seal groove
Tiltedly, it is contemplated that design and the convenience for manufacturing, the incline direction of the second circular seal lip 3 and the first circular seal lip in the present embodiment
2 incline direction is consistent.
In order to while sealing is ensured, it is to avoid the axial dimension of undue increase rotating shaft sealing sealing ring, this enforcement
The labial surface of the first circular seal lip 2 and the second circular seal lip 3 is held in 60 ° extremely with the axis angle of body of rubber 1 in example
Equally it is to consider design and easily manufactured between 85 °, including 60 ° and 85 ° of two endpoint values, 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 further improve sealing effectiveness, it will be appreciated by those skilled in the art that improvement be, in the first circular seal
Middle circle sealing lip is additionally provided between the circular seal lip 3 of lip 2 and second, middle circle sealing lip can be alternatively for one
Multiple, when the setting of middle circular seal lip is multiple, middle circle sealing lip should be arranged along the axially spaced-apart of body of rubber 1,
The outer rim of middle circle sealing lip is to squeeze friction tight middle seal with the side wall of seal groove.
First sealing, the second sealing and middle seal can be single lip seal, alternatively lips or many lips
Sealing, in order to improve sealing effectiveness, in the technical scheme disclosed in the present embodiment, above-mentioned several sealings each at least
Including the sub- lips of two sealings 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, to avoid some sub- lips of sealing excessive with the pressure of sealing surface 6, and has
The situation appearance that sub- lips is not yet contacted with sealing surface 6 is sealed a bit.Needs are illustrated, the sealing surface 6 in the present embodiment
Specifically refer to the bottom surface with the seal groove for sealing sub- lips directly contact or side wall.
According to different needs, can with body of rubber 1, the first circular seal lip 2 and the second circular seal lip 3 extremely
Add support frame in few one, to meet the rigidity requirement of different application occasion countershaft sealing sealing ring.
In addition, a kind of rotating shaft sealing structure is also disclosed in this utility model embodiment, especially the shaft extension of motor
Go out the sealing structure at end, as shown in Figures 3 and 4, the rotating shaft sealing structure includes housing 5 and stretches out the rotating shaft of housing 5, housing
5 are additionally provided with seal groove for installing sealing ring in the extended position of rotating shaft, in addition, the rotating shaft sealing structure also includes：
Rotating shaft sealing sealing ring disclosed in above-mentioned any one embodiment, rotating shaft sealing sealing ring interference
In rotating shaft, and it is embedded in the seal groove of housing 5, it is by arranging that countershaft sealing sealing ring carries out axial limiting
What the shaft shoulder in rotating shaft was realized；
Axial compression part, the axial compression part and rotating shaft coordinate, and by the first sealing jam-packed seal groove bottom land,
By the second sealing jam-packed on the side wall of seal groove.
After the interference of body of rubber 1 of rotating shaft sealing sealing ring is set in rotating shaft, rotating shaft can be followed to rotate together,
After completing to install, the first sealing of the outer rim of the first circular seal lip 2 will be sealed with the bottom land jam-packed of seal groove, and second is circular
By the side wall jam-packed sealing with seal groove, under resting state, two sealing stations be enough to second sealing of the outer rim of sealing lip 3
Ensure shaft extension out position sealing grade reach IP67 and more than；And when the spindle is rotated, body of rubber 1 drives the first circle close
The envelope circular seal lip 3 of lip 2 and second follows axis of rotation, 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, and this can cause the bottom land of the first sealing and seal groove
Pressure weakens, and the sealing of the position is deteriorated, but the second sealing is tighter with what the side wall of seal groove will be extruded, the position
The sealing put will be significantly improved, this cause the sealing grade of two sealing stations still may remain in IP67 and more than.
As can be seen here, the rotating shaft sealing structure disclosed in above-described embodiment can effectively improve the close of rotating shaft extended position
Envelope degree of protection, so as to meet the use requirement of more high sealing grade.
Axial compression part can be to be threadedly coupled or mode connects for screw with rotating shaft, 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, in order to ensure rotating shaft it 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, because the sealing means in above-mentioned rotating shaft sealing structure are contact seal, therefore first is close
Friction is certainly existed between envelope portion and the second sealing and seal groove, in order to reduce the friction of contact position while reducing operation
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 is also coated between wall.
Further, for the same purpose, it is middle when rotating shaft sealing includes middle circle sealing lip with sealing ring
Grease layer is also coated between sealing and the side wall of seal groove.
The distance between centrage of the outer rim of first circular seal lip 2 and body of rubber 1 is L1, the second circular seal lip 3
The distance between centrage of outer rim and body of rubber 1 is L2, in order to reduce frictional resistance, this reality while sealing is ensured
L when applying preferred in example1＜ L2, this is caused has after completing to install between the outer rim of the first circular seal lip 2 and the side wall of seal groove
There is gap, so as to avoid the first circular seal lip 2 and the sidewall contact while jam-packed of seal groove bottom with seal groove, drop
Low-frictional force.
The rotating shaft sealing structure and rotating shaft sealing in this utility model is described in detail with sealing ring above.Herein
In apply specific case principle of the present utility model and embodiment be set forth, the explanation of above example is simply used
Understand method of the present utility model and its core concept in help.It should be pointed out that for those skilled in the art
For, on the premise of without departing from this utility model principle, some improvement and modification can also be carried out to this utility model, these
Improve and modification is also fallen in this utility model scope of the claims.
Claims (14)
1. a kind of rotating shaft sealing sealing ring, 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 the body of rubber (1) offers the suit hole being inserted in for rotating 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, and the outer rim of the first circular seal lip (2) is for close with described
The bottom land of seal groove squeezes friction tight first sealing, the outer rim of the second circular seal lip (3) be for the sealing
The side wall of ring recess squeezes friction tight second sealing.
2. rotating shaft sealing sealing ring according to claim 1, it is characterised in that the first circular seal lip (2) is outward
The distance between edge and centrage of the body of rubber (1) are L1, the second circular seal lip (3) outer rim and the rubber
The distance between centrage 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) and
The second circular seal lip (3) inclines towards the bottom land of the seal groove.
4. rotating shaft sealing sealing ring according to claim 1, it is characterised in that the first circular seal lip (2) and
The labial surface of the second circular seal lip (3) is with the angle of the axis of the body of rubber (1) between 60 ° to 85 °.
5. rotating shaft sealing sealing ring according to claim 4, it is characterised in that the first circular seal lip (2) with
The axis angle of the body of rubber (1), and the axis angle of the second circular seal lip (3) and the body of rubber (1)
It is equal.
6. the rotating shaft sealing sealing ring according to claim 1-5 any one, it is characterised in that also include being located 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 circle sealing lip is to squeeze friction tight intermediate seal for the side wall with the seal groove
Portion.
7. rotating shaft sealing sealing ring according to claim 6, it is characterised in that the intermediate seal lip include it is multiple,
And the axially spaced-apart along the body of rubber (1) is arranged.
8. rotating shaft sealing sealing ring according to claim 6, it is characterised in that first sealing, the second sealing
Portion and the middle seal at least include the sub- lips of two sealings 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.
9. the rotating shaft sealing sealing ring according to claim 1-5,7-8 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.
10. a kind of rotating shaft sealing structure, including housing (5) and the rotating shaft of the housing (5) is stretched out, the 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, the axle sealing ring interference that turns is in institute
State in rotating shaft, and be embedded in the seal groove of the housing (5)；
Axial compression part, the axial compression part coordinates with the rotating shaft, and by the first sealing jam-packed in the sealing
The bottom land of ring recess, by the second sealing jam-packed on the side wall of the seal groove.
11. rotating shaft sealing structures according to claim 10, it is characterised in that first sealing and the sealing ring
Between the bottom land of groove, and grease layer is also coated between second sealing and the side wall of the seal groove.
12. rotating shaft sealing structures according to claim 11, it is characterised in that when the rotating shaft sealing is included with sealing ring
During middle circle sealing lip, between the side wall of the middle seal and the seal groove grease layer is also coated with.
13. rotating shaft sealing structures according to claim 10, it is characterised in that when the first circular seal lip (2) outward
The distance between edge and centrage of the body of rubber (1) are L1, less than the second circular seal lip (3) outer rim with it is described
The distance between the centrage of body of rubber (1) L2When, the side of the first circular seal lip (2) outer rim and the seal groove
There is gap between wall.
14. rotating shaft sealing structures according to claim 10, it is characterised in that the axial length of the body of rubber (1)
More than the depth of the seal groove, and both differences are 1mm-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242050.1U CN206175663U (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 |
|---|---|---|---|
| CN201621242050.1U CN206175663U (en) | 2016-11-21 | 2016-11-21 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175663U true CN206175663U (en) | 2017-05-17 |
Family
ID=58685490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621242050.1U Active CN206175663U (en) | 2016-11-21 | 2016-11-21 | Rotating shaft sealing structure and sealing ring for rotating shaft sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175663U (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 |
-
2016
- 2016-11-21 CN CN201621242050.1U patent/CN206175663U/en active Active
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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