CN209704907U - A kind of mechanically-sealing apparatus - Google Patents
A kind of mechanically-sealing apparatus Download PDFInfo
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- CN209704907U CN209704907U CN201920450796.9U CN201920450796U CN209704907U CN 209704907 U CN209704907 U CN 209704907U CN 201920450796 U CN201920450796 U CN 201920450796U CN 209704907 U CN209704907 U CN 209704907U
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- stationary ring
- sealing surface
- rotating ring
- ring
- sealing
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Abstract
The utility model discloses a kind of mechanically-sealing apparatus, it include: rotating ring (4), stationary ring (5) and axle sleeve (1), the axle sleeve (1) has a rotating ring chamber, the rotating ring (4) be fastened on rotating ring it is intracavitary after be mounted on axis (13) together, and rotated together with the axis (13)；The rotating ring (4)；Sealing pair is constituted with the stationary ring (5)；Annular arc groove (45) are respectively provided on the sealing surface of the rotating ring (4) and the sealing surface of the stationary ring (5)；Transition streamline circular arc is respectively provided on the radial outer edge of the rotating ring (4) and the stationary ring (5)；The annular arc groove (45), flows to the transition streamline circular arc for direct fluids；Axis (13) rotation, drives tangential direction of the liquid through the transition streamline circular arc to throw away from the sealing surface of the rotating ring (4) and the sealing surface of the stationary ring (5)；Solve the problems, such as that existing machinery sealing leak amount is big, part is easy to wear, the service life is short.
Description
Technical field
The sealing device that the utility model relates to use on all kinds of slewings is especially suitable for the machinery that pressure high field is closed
Sealing device.
Background technique
Currently, in oil extraction in oil field, storage and transportation, the collection fields such as defeated, on the shaft end seal of all kinds of slewings, with oilfield exploitation
To the middle and later periods, the influence for the factors such as the medium impurity of conveying is more, easy fouling, seriously corroded, discharge pressure increase, conventional mechanical is close
Seal up for safekeeping leakage rate increase, part is easy to wear, service life is short the disadvantages of, especially at present to production scene, ambient enviroment and
The safety and environmental protection of operator is paid much attention to, work operation is necessary safe and reliable, and existing sealing has been unable to meet normal production status
Requirement.
Summary of the invention
In view of this, the present invention provides a kind of mechanically-sealing apparatus, solve that existing machinery sealing leak amount is big, part
Problem easy to wear, the service life is short.
For achieving the above object, a kind of mechanically-sealing apparatus, comprising: rotating ring, stationary ring and axle sleeve, the axis
Set has a rotating ring chamber, the rotating ring be fastened on rotating ring it is intracavitary after be mounted on an axle together, and rotated together with the axis；It is described dynamic
The sealing surface of ring is bonded with the sealing surface of the stationary ring constitutes sealing pair；It is characterized by:
Annular arc groove is respectively provided on the sealing surface of the sealing surface of the rotating ring and the stationary ring；
Transition streamline circular arc is respectively provided on the radial outer edge of the rotating ring and the stationary ring；
The annular arc groove, flows to the transition streamline circular arc for direct fluids；
The axis rotation, drives sealing surface of tangential direction of the liquid through the transition streamline circular arc from the rotating ring
And the sealing surface of the stationary ring is thrown away.
Preferably, the stationary ring is connect with thrust mechanism；
The thrust mechanism, comprising: throw-out collar and spring；
The throw-out collar is connect with the stationary ring, for applying the active force of axial movement to the stationary ring；
The active force, for driving the sealing surface of the stationary ring to be bonded always with the sealing surface of the rotating ring；
The throw-out collar is connect with the spring；
The spring has pretightning force；
The pretightning force is the active force.
Preferably, the thrust mechanism is connected on gland；
The gland is connected on pump housing by fastening bolt；
The gland has stationary ring chamber；
It is intracavitary that the stationary ring and the thrust mechanism are connected to the stationary ring；
The rotating ring chamber of the stationary ring chamber, the pump chamber of the pump housing and the axle sleeve is connected to.
Preferably, there is flushing hole, deflector hole and overflow hole on the gland；
Have between the flushing hole and the deflector hole into aquaporin；
There is drainage channel between the overflow hole and the stationary ring chamber；
It is described enter aquaporin and the drainage channel constitute irrigation channel；
Circulate cooling liquid in the irrigation channel；
The cooling liquid prevents the sealing surface of the rotating ring and the sealing surface of the stationary ring for cooling down the pump chamber
Between because of the excessively high generation fouling of temperature rise, wear the sealing surface.
Preferably, the mechanically-sealing apparatus, further includes: block water envelope；
The envelope that blocks water is fastened on the outside of gland by SOC.HD. cap screw and is mounted on axle sleeve；
Described block water is sealed up with annular V-shaped sealed cistern；
When there is liquid leakage between the sealing surface of the rotating ring and the sealing surface of the stationary ring, the annular V-shaped is close
Sealing water channel is distributed for changing the pressure of the liquid, keeps liquid film stabilization to prevent its vaporization, and prevent to reveal.
Preferably, there is streamline hole on the throw-out collar；
The streamline hole avoids the liquid from the axle sleeve and institute for inclined hole for changing the liquid flow direction
It leaks in the gap stated between throw-out collar.
The utility model has the following beneficial effects:
The utility model mechanically-sealing apparatus, dynamic and static ring remains during the work time to be fitted closely, sealed reliable,
It runs smoothly, reduction is revealed, long service life, and parts wear is small.
Detailed description of the invention
By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage it is apparent, in the accompanying drawings:
Fig. 1 is the mechanically-sealing apparatus in-site installation schematic diagram of the utility model embodiment；
Fig. 2 is arc groove schematic diagram on the sealing surface of the rotating ring of the utility model embodiment, stationary ring；
Fig. 3 is the streamline hole schematic diagram on the throw-out collar of the utility model embodiment；
Fig. 4 is that blocking water for the utility model embodiment seals up V-seal sink schematic diagram；
Fig. 5 be the gland of the utility model embodiment be equipped with flushing hole, deflector hole, overflow hole schematic diagram.
Specific embodiment
The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited
In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So
And for the part of no detailed description, the utility model can also be understood completely in those skilled in the art.
In addition, it should be understood by one skilled in the art that provided attached drawing is simply to illustrate that the utility model
Objects, features and advantages, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims
Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being " including but not limited to "
Meaning.
Fig. 1 is the mechanically-sealing apparatus in-site installation schematic diagram of the utility model embodiment；Fig. 2 is that the utility model is implemented
Arc groove schematic diagram on the rotating ring of example, the sealing surface of stationary ring；As shown in Figures 1 and 2, a kind of mechanically-sealing apparatus, comprising: rotating ring
4, stationary ring 5 and axle sleeve 1, axle sleeve 1 have a rotating ring chamber, rotating ring 4 be fastened on rotating ring it is intracavitary after be mounted on axis 13 together, and with axis 13
It rotates together；The sealing surface of rotating ring 4 is bonded with the sealing surface of stationary ring 5 constitutes sealing pair；The sealing surface of rotating ring 4 is close with stationary ring 5
Annular arc groove (45) are respectively provided on cover；Transition streamline circular arc is respectively provided on the radial outer edge of rotating ring 4 and stationary ring 5；Ring
Shape arc groove 45 flows to transition streamline circular arc for direct fluids；Axis 13 rotates, and drives tangent line of the liquid through transition streamline circular arc
The sealing surface of direction driven torus 4 and the sealing surface of stationary ring 5 are thrown away.
In Fig. 1, stationary ring 5 is connect with thrust mechanism；Thrust mechanism, comprising: throw-out collar 9 and spring 10；Throw-out collar 9, with stationary ring 5
Connection, for applying the active force of axial movement to stationary ring 5；Active force, for drive the sealing surface of stationary ring 5 always with rotating ring 4
Sealing surface fitting；Throw-out collar 9 is connect with spring 10；Spring 10 has pretightning force；Pretightning force is active force.
In Fig. 1, thrust mechanism is connected on gland 6；Gland 6 is connected on pump housing 100 by fastening bolt；Gland
6 have stationary ring chamber；It is intracavitary that stationary ring 5 and thrust mechanism are connected to stationary ring；The rotating ring of stationary ring chamber, the pump chamber of pump housing 100 and axle sleeve 1
Chamber connection.
In Fig. 1, there is flushing hole 6-1, deflector hole 6-2 and overflow hole 6-3 on gland 6；Flushing hole 6-1 and deflector hole 6-
Have between 2 into aquaporin；There is drainage channel between overflow hole 6-3 and stationary ring chamber；Enter aquaporin and drainage channel constitutes punching
Wash channel；Circulate cooling liquid in irrigation channel；Cooling liquid, for cooling down pump chamber, the sealing surface and stationary ring 5 of anti-locating snap ring 4
Sealing surface between because of the excessively high generation fouling of temperature rise, wear sealing surface.
In Fig. 1, mechanically-sealing apparatus, further includes: the envelope that blocks water 12；The envelope 12 that blocks water is fastened on pressure by SOC.HD. cap screw 11
The outside of lid 6 is simultaneously mounted on axle sleeve 1；In Fig. 4, there is annular V-shaped sealed cistern 12-1 in the envelope 12 that blocks water；It is close when rotating ring 4
When having liquid leakage between cover and the sealing surface of stationary ring 5, annular V-shaped sealed cistern 12-1 is distributed for changing the pressure of liquid,
It keeps liquid film stabilization to prevent its vaporization, and prevents to reveal.
In Fig. 3, there is streamline hole 9-1 on throw-out collar 9；Streamline hole 9-1 is that inclined hole is kept away for changing liquid flow direction
Exempt from gap of the liquid between axle sleeve 1 and throw-out collar 9 to leak.
Specifically, the assembly of the mechanically-sealing apparatus of the utility model and its structure design principle are said in conjunction with Fig. 1
It is bright:
Rotating ring 4 is tightened together with axle sleeve 1 by fixed pin 2 and is mounted on pump shaft 13, and is rotated together with pump shaft 13；It is quiet
Ring 5, " O " type sealing ring 7, throw-out collar 9, spring 10 by the stationary ring chamber for being attached separately to gland 6 from the inside to surface, spring 10 install when tune
Its whole pretightning force pushes throw-out collar 9 under the action of elastic force, and the left side of throw-out collar 9 is equipped with stationary ring 5 so that stationary ring 5 can axial direction into
Row movement, be bonded the sealing surface of rotating ring 4, stationary ring 5 always, even if upon wear or shut down when can remain close patch
It closes, reaches excellent sealing
Meanwhile gland 6 is equipped with flushing hole 6-1, deflector hole 6-2 and overflow hole 6-3, flushing hole 6-1 and deflector hole 6-2 phase
Logical, overflow hole 6-3 is communicated with the cavity that gland 6, throw-out collar 9, spring 10 are formed, and can sealing surface is rinsed and be cooled down, prevented
Fouling and temperature rise are excessively high, wear sealing surface
The envelope 12 that blocks water is fastened on the outside of gland 6 by 6 SOC.HD. cap screws 11 and is mounted on axle sleeve 1, and gland 6 is by fastening
Bolt fastening is on pump housing 100.
When mechanical seal works, rotating ring 4 rotates on pump shaft 13 with axle sleeve 1, and stationary ring 5 is in spring 10 and throw-out collar 9
It under promotion, can move axially, and be fitted closely always with ring seal face, reveal the liquid in pump chamber will not.
Mechanical seal mainly uses the graphite or self-lubricating hard alloy and ceramic material and nano combined material of self-lubricating
Material, and mirror grinding technology is used, size and position precision are high, and zero resistance is almost realized between sealing pair, and sealing can
It leans on, reduces leakage.
In the sealing surface of sealing pair rotating ring 4 and stationary ring 5, it is respectively equipped with annular arc groove 45, in rotating ring and the outer diameter of stationary ring
Edge is equipped with transition streamline circular arc, when liquid passes through, can change liquid flow direction by annular arc groove 45, can also be from transition
Circular arc tangential line throws away liquid except sealing surface, and liquid is avoided to enter the chamber between rotating ring, stationary ring and axle sleeve by sealing surface
Between body, it is further reduced leakage.
Throw-out collar 9 is designed and be machined streamline hole by fluid principles, and the circumferencial direction at diagram two is respectively equipped with 16 and 20
The inclined hole of a certain angle, when fluid passes through, water flow will change fluid flow direction along streamline hole, avoid liquid stream from axle sleeve
It leaks in gap between throw-out collar.
Design has three annular V-shaped sealed cisterns in the envelope 12 that blocks water, when there is micro liquid leakage between dynamic and static ring sealing face,
When liquid enters gap between dynamic and static ring and axle sleeve, the pressure distribution of fluid is can be changed in resistance sealing water channel, and liquid film stabilization is kept to prevent
It is vaporized, and prevents to reveal.
Flushing hole, deflector hole and the overflow hole that gland 6 is equipped with, when flushing liquor from A to by flushing hole by deflector hole into
Enter dynamic and static ring sealing face, sealing surface can be rinsed, lubricated and cooled down, impurity is effectively prevent to accumulate and damage close in sealing surface
It cover and prevents fouling and sealing surface temperature rise excessively high, makes sealed reliable, leakage is reduced, and prolonged mechanical seals service life.
In conclusion the design of the arc groove of dynamic and static ring uses, it is effectively prevent leakage of the liquid from sealing surface, makes to seal
It is relatively reliable, it extends service life of seal.
The design of the V-groove of the serial streamline hole of throw-out collar and the envelope that blocks water has further changed the grain direction of liquid, and reduction is let out
Dew, keeps sealing performance relatively reliable.
The use of flushing hole, deflector hole and overflow hole that gland is equipped with effectively prevent impurity to accumulate and damage in sealing surface
Hurt sealing surface and prevent fouling and sealing surface temperature rise excessively high, reduce the abrasion of components, make sealed reliable, leakage reduces, prolongs
Long mechanical seal service life.
Embodiment described above is only to express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that the ordinary skill people of this field
For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of mechanically-sealing apparatus, comprising: rotating ring (4), stationary ring (5) and axle sleeve (1), the axle sleeve (1) have rotating ring chamber, institute
State rotating ring (4) be fastened on rotating ring it is intracavitary after be mounted on axis (13) together, and rotated together with the axis (13)；The rotating ring
(4) sealing surface is bonded with the sealing surface of the stationary ring (5) constitutes sealing pair；It is characterized by:
Annular arc groove (45) are respectively provided on the sealing surface of the rotating ring (4) and the sealing surface of the stationary ring (5)；
Transition streamline circular arc is respectively provided on the radial outer edge of the rotating ring (4) and the stationary ring (5)；
The annular arc groove (45), flows to the transition streamline circular arc for direct fluids；
Axis (13) rotation, drives tangential direction of the liquid through the transition streamline circular arc from the close of the rotating ring (4)
The sealing surface of cover and the stationary ring (5) is thrown away.
2. a kind of mechanically-sealing apparatus according to claim 1, it is characterised in that:
The stationary ring (5) connect with thrust mechanism；
The thrust mechanism, comprising: throw-out collar (9) and spring (10)；
The throw-out collar (9), connect with the stationary ring (5), for applying the active force of axial movement to the stationary ring (5)；
The active force, for driving the sealing surface of the stationary ring (5) to be bonded always with the sealing surface of the rotating ring (4)；
The throw-out collar (9) connect with the spring (10)；
The spring (10) has pretightning force；
The pretightning force is the active force.
3. a kind of mechanically-sealing apparatus according to claim 2, it is characterised in that:
The thrust mechanism is connected on gland (6)；
The gland (6) is connected on pump housing (100) by fastening bolt；
The gland (6) has stationary ring chamber；
It is intracavitary that the stationary ring (5) and the thrust mechanism are connected to the stationary ring；
The rotating ring chamber of the stationary ring chamber, the pump chamber of the pump housing (100) and the axle sleeve (1) is connected to.
4. a kind of mechanically-sealing apparatus according to claim 3, it is characterised in that:
There is flushing hole (6-1), deflector hole (6-2) and overflow hole (6-3) on the gland (6)；
Have between the flushing hole (6-1) and the deflector hole (6-2) into aquaporin；
There is drainage channel between the overflow hole (6-3) and the stationary ring chamber；
It is described enter aquaporin and the drainage channel constitute irrigation channel；
Circulate cooling liquid in the irrigation channel；
The cooling liquid prevents the sealing surface of the rotating ring (4) and the sealing of the stationary ring (5) for cooling down the pump chamber
Because of the excessively high generation fouling of temperature rise between face, the sealing surface is worn.
5. a kind of mechanically-sealing apparatus according to claim 3 or 4, it is characterised in that:
The mechanically-sealing apparatus, further includes: the envelope that blocks water (12)；
Described block water envelope (12) are fastened on the outside of gland (6) by SOC.HD. cap screw (11) and are mounted on axle sleeve (1)；
Described block water on envelope (12) has annular V-shaped sealed cistern (12-1)；
When there is liquid leakage between the sealing surface of the rotating ring (4) and the sealing surface of the stationary ring (5), the annular V-shaped
Sealed cistern (12-1) is distributed for changing the pressure of the liquid, keeps liquid film stabilization to prevent its vaporization, and prevent to reveal.
6. according to a kind of mechanically-sealing apparatus any in claim 2-4, it is characterised in that:
There is streamline hole (9-1) on the throw-out collar (9)；
The streamline hole (9-1) avoids the liquid from the axle sleeve (1) for inclined hole for changing the liquid flow direction
It leaks in gap between the throw-out collar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450796.9U CN209704907U (en) | 2019-04-04 | 2019-04-04 | A kind of mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450796.9U CN209704907U (en) | 2019-04-04 | 2019-04-04 | A kind of mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704907U true CN209704907U (en) | 2019-11-29 |
Family
ID=68646824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920450796.9U Active CN209704907U (en) | 2019-04-04 | 2019-04-04 | A kind of mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704907U (en) |
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2019
- 2019-04-04 CN CN201920450796.9U patent/CN209704907U/en active Active
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