CN206478230U - ship steering engine rotating shaft sealing mechanism - Google Patents
ship steering engine rotating shaft sealing mechanism Download PDFInfo
- Publication number
- CN206478230U CN206478230U CN201720114492.6U CN201720114492U CN206478230U CN 206478230 U CN206478230 U CN 206478230U CN 201720114492 U CN201720114492 U CN 201720114492U CN 206478230 U CN206478230 U CN 206478230U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- sealing ring
- ring
- outside
- shaped sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sealing Devices (AREA)
Abstract
The utility model discloses ship steering engine rotating shaft sealing mechanism, including rotating shaft, prominent ring is provided with the outside of in the middle of the rotating shaft, upper surface is stretched out in rotating shaft upper end, rotating shaft lower end connects rotatable parts, section is provided with the protrusion ring lower end of rotating shaft for I-shaped groove, I-shaped sealing ring is installed in groove, and the outside corner junction of I-shaped sealing ring is set to inclined plane, I-shaped sealing ring is also equipped between the protrusion ring upper end of rotating shaft and upper surface, wherein being additionally provided with equally distributed circle air pressure import on the outside of I-shaped sealing ring.This practical ship steering engine rotating shaft sealing mechanism, I-shaped ring structure sets reasonable, the setting of outside corner junction inclined plane was both wear-resisting, and can be under the influence of air pressure by overall slight stretching after sealing ring mild wear, so that sealing ring is close in rotating shaft all the time, and because hermetic seal is realized in inflation on the outside of sealing ring, so slight gap does not result in leakage.
Description
Technical field
The utility model is related to marine mechanical equipment technical field, more particularly to a kind of ship steering engine rotating shaft sealing mechanism.
Background technology
The need for the rotating shaft of ship steering engine is due to performance, higher is required to sealing property, and seal also wants energy
Long-term use is adapted to, sealing property is also ensured after mild wear, because being inconvenient to repair during ship's navigation
And seal member is changed, so the sealing for rotating shaft needs to set suitable sealing.Existing rotating shaft sealing in structure and
All there is the space of lifting in performance, it is necessary to be improved.
Utility model content
The utility model technical issues that need to address are that existing rotating shaft sealing performance is bad, especially in mild wear
Afterwards, sealing property will decline much.
In order to solve the above technical problems, the utility model provides ship steering engine rotating shaft sealing mechanism, including rotating shaft, turning
Outside is provided with prominent ring in the middle of axle, and upper surface, rotating shaft lower end connection rotatable parts, in the protrusion ring of rotating shaft are stretched out in rotating shaft upper end
Lower end is provided with section for I-shaped groove, is provided with I-shaped sealing ring in groove, and I-shaped sealing ring is outer
Side corner junction is set to inclined plane, and I-shaped sealing ring is also equipped between the protrusion ring upper end of rotating shaft and upper surface,
Equally distributed circle air pressure import is wherein additionally provided with the outside of I-shaped sealing ring, the import of each of which air pressure is at least
Connect three points of air pressure imports, three be divided to air pressure import to be respectively aligned to I-shaped sealing ring middle part and two turnings position
Outside.Ship steering engine rotating shaft sealing mechanism of the present utility model, in the middle of the rotating shaft on the outside of be provided with prominent ring, in increase rotating shaft
While energy, the sealing of rotating shaft can be improved, and facilitates the setting of sealing structure, the I-shaped sealing ring in prominent ring lower end
Rationally, the setting of outside corner junction inclined plane was both wear-resisting, and can be in gas after sealing ring mild wear for structure setting
Overall will slightly it be stretched in the presence of pressure so that sealing ring is close in rotating shaft all the time, and because inflation is realized on the outside of sealing ring
Hermetic seal, so slight gap does not result in leakage.
Wherein, annular ledges is provided with the upper surface of rotating shaft surrounding, upper I-shaped sealing ring upper end is provided with flange
It is wrapped in annular ledges, equally distributed projection is additionally provided with the lower end inside of flange, in annular ledges lower end phase
Corresponding position is provided with the cavity that shape is adapted.Upper I-shaped sealing ring is wrapped in annular ledges by flange, and
Lower end also passes through the relative design of boss and cavity so that sealing ring is tightly fastened with annular ledges and is connected, it is to avoid sealing ring
With axis of rotation.Wherein in the outside of upper I-shaped sealing ring I-shaped sealing ring in air pressure import, holding can also be set to paste all the time
Tight rotating shaft.
Further improvement is that, it is additionally provided with gland on the outside of upper I-shaped sealing ring.Gland compress sealing ring while,
Play a part of proofing dust and protecting.
Further, a ring annular groove is additionally provided with the protrusion ring lower surface of rotating shaft, in I-shaped sealing ring upper end
The corresponding position in face is provided with prominent annular seal.I-shaped sealing ring, can be with transfer in the presence of external atmospheric pressure
Axle is rotated together, using annular groove and annular seal set can more stabilized seal circle and the attachment structure of rotating shaft, protect
Unitary rotation is demonstrate,proved, sliding position is unlikely to deform.
Ship steering engine rotating shaft sealing mechanism of the present utility model, it is simple for structure that rationally performance is good, easy to maintenance, and
And after sealing ring mild wear, can cause sealing ring axial tension under the influence of air pressure and radially be adjacent to so that sealing
Circle is adjacent on the outside of rotating shaft all the time, keeps favorable sealing property.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein, 1- rotating shafts, 2- protrudes ring, and 3- grooves, the I-shaped sealing rings of 4-, the upper I-shaped sealing rings of 5-, 6- annulars are prominent
Platform, 7- flange, 8- projections, 9- cavitys, 10- glands, 11- air pressure imports, 12- points of air pressure imports, 13- annular grooves, 14- ring-types are close
Sealing.
Embodiment
Describe optimal technical scheme of the present utility model in detail below in conjunction with the accompanying drawings.
As illustrated, ship steering engine rotating shaft sealing mechanism of the present utility model, including rotating shaft 1, set on the outside of the centre of rotating shaft 1
Prominent ring 2 is equipped with, upper surface is stretched out in the upper end of rotating shaft 1, and connection rotatable parts in the lower end of rotating shaft 1 are set in the lower end of protrusion ring 2 of rotating shaft 1
Section is equipped with for I-shaped groove 3, I-shaped sealing ring 4, and the outside of I-shaped sealing ring 4 are installed in groove 3
Corner junction is set to inclined plane, and I-shaped sealing ring 5 is also equipped between the upper end of protrusion ring 2 of rotating shaft 1 and upper surface,
Equally distributed circle air pressure import 11, each of which air pressure import are wherein additionally provided with the outside of I-shaped sealing ring 4
11 are at least connected with three points of air pressure imports 12, three points of air pressure imports 12 be respectively aligned to I-shaped sealing ring 4 middle part and
On the outside of the position of two turnings.
Wherein, annular ledges 6 is provided with the upper surface of the surrounding of rotating shaft 1, the upper upper end of I-shaped sealing ring 5, which is provided with, to be turned over
Side 7 is wrapped in annular ledges 6, and equally distributed projection 8 is additionally provided with the lower end inside of flange 7, in annular ledges 6
The corresponding position in lower end is provided with the cavity 9 that shape is adapted.
Further, it is additionally provided with gland 10 in the upper outside of I-shaped sealing ring 5.
Further, a ring annular groove 13 is additionally provided with the lower surface of protrusion ring 2 of rotating shaft 1, in I-shaped sealing ring 4
The corresponding position in upper surface is provided with prominent annular seal 14.
Ship steering engine rotating shaft sealing mechanism of the present utility model, in the middle of the rotating shaft on the outside of be provided with prominent ring, turn in increase
While axle performance, the sealing of rotating shaft can be improved, and facilitates the setting of sealing structure, in the I-shaped close of prominent ring lower end
Rationally, the setting of outside corner junction inclined plane was both wear-resisting for seal structure setting, and can be with after sealing ring mild wear
Overall will slightly it stretch under the influence of air pressure so that sealing ring is close in rotating shaft all the time, and due to inflation on the outside of sealing ring
Hermetic seal is realized, so slight gap does not result in leakage.
Upper I-shaped sealing ring is wrapped in annular ledges by flange, and lower end also passes through the relative of boss and cavity
Design so that sealing ring is tightly fastened with annular ledges and is connected, it is to avoid sealing ring is with axis of rotation.Wherein sealed in upper I-shaped
The outside of circle can also set I-shaped sealing ring in air pressure import, holding to be adjacent to rotating shaft all the time.
Gland plays a part of proofing dust and protecting while sealing ring is compressed.
I-shaped sealing ring can together be rotated in the presence of external atmospheric pressure with rotating shaft, close using annular groove and ring-type
Setting for sealing can more stabilized seal circle and the attachment structure of rotating shaft, it is ensured that unitary rotation, is unlikely to deform sliding position.
Ship steering engine rotating shaft sealing mechanism of the present utility model, it is simple for structure that rationally performance is good, easy to maintenance, and
And after sealing ring mild wear, can cause sealing ring axial tension under the influence of air pressure and radially be adjacent to so that sealing
Circle is adjacent on the outside of rotating shaft all the time, keeps favorable sealing property.
Wherein I-shaped sealing ring can together be rotated with rotating shaft, be realized in the outside of I-shaped sealing ring by air pressure light
Micro- gap, can reduce frictional force, reduce abrasion.It is respectively provided with the inside of the hole contacted on the outside of prominent ring and with prominent ring resistance to
Grind superficial layer.
Claims (4)
1. ship steering engine rotating shaft sealing mechanism, it is characterised in that：Including rotating shaft, in the middle of the rotating shaft on the outside of be provided with prominent ring, turn
Upper surface is stretched out in axle upper end, and rotating shaft lower end connects rotatable parts, and it is I-shaped that section is provided with the protrusion ring lower end of rotating shaft
Groove, is provided with I-shaped sealing ring in groove, and the outside corner junction of I-shaped sealing ring is set to inclined plane,
I-shaped sealing ring is also equipped between the protrusion ring upper end of rotating shaft and upper surface, wherein in the outside of I-shaped sealing ring also
Equally distributed circle air pressure import is provided with, each of which air pressure import is at least connected with three points of air pressure imports, three points
Air pressure import is respectively aligned on the outside of the middle part of I-shaped sealing ring and two turnings position.
2. ship steering engine rotating shaft sealing mechanism as claimed in claim 1, it is characterised in that：Set on the upper surface of rotating shaft surrounding
Annular ledges is equipped with, upper I-shaped sealing ring upper end is provided with flange and is wrapped in annular ledges, in the lower end inside of flange
Equally distributed projection is additionally provided with, corresponding position is provided with the cavity that shape is adapted in annular ledges lower end.
3. ship steering engine rotating shaft sealing mechanism as claimed in claim 2, it is characterised in that：Also set on the outside of upper I-shaped sealing ring
It is equipped with gland.
4. the ship steering engine rotating shaft sealing mechanism as described in claim 1 or 2 or 3, it is characterised in that：Under the protrusion ring of rotating shaft
End face is additionally provided with a ring annular groove, and in I-shaped sealing ring upper surface, corresponding position is provided with prominent annular seal
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720114492.6U CN206478230U (en) | 2017-02-08 | 2017-02-08 | ship steering engine rotating shaft sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720114492.6U CN206478230U (en) | 2017-02-08 | 2017-02-08 | ship steering engine rotating shaft sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478230U true CN206478230U (en) | 2017-09-08 |
Family
ID=59748545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720114492.6U Expired - Fee Related CN206478230U (en) | 2017-02-08 | 2017-02-08 | ship steering engine rotating shaft sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478230U (en) |
-
2017
- 2017-02-08 CN CN201720114492.6U patent/CN206478230U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20220208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |