CN206161241U - Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device - Google Patents
Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device Download PDFInfo
- Publication number
- CN206161241U CN206161241U CN201621172522.0U CN201621172522U CN206161241U CN 206161241 U CN206161241 U CN 206161241U CN 201621172522 U CN201621172522 U CN 201621172522U CN 206161241 U CN206161241 U CN 206161241U
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- axle sleeve
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Abstract
The utility model relates to a mechanical seal measuring device field, concretely relates to sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device. Including interior axle sleeve, interior rotating ring in, quiet ring, inner hexagonal cylinder head screw, inner sealing chamber, middle axle sleeve, inner spring seat, middle rotating ring, middle quiet ring, external seal chamber, outer spring seat, gland, outer rotating ring, outer static ring, outer axle sleeve etc, interior rotating ring is fixed in on the interior axle sleeve, inner sealing chamber is fixed in on the sealed box through inner hexagonal cylinder head screw, middle quiet ring is fixed in on the external seal chamber, the external seal chamber is fixed in on the inner sealing chamber through inner hexagonal cylinder head screw, outer static ring is fixed in on the gland, the gland is fixed in on the external seal chamber through inner hexagonal cylinder head screw. Beneficial effect: adopt double containment chamber, three group's sealing rings to segment tandem arrangement's structural style, conveniently adjust the sealing load of sealing ring both sides, and the measurement that different sealing ring homoenergetics realized letting out leakage quantity is put to convection cell dynamic pressure trench.
Description
Technical field
This utility model is related to a kind of measurement apparatus, and especially a kind of adjustable non-contact mechanical seal of seal pressure is let out
Leakage quantity measurement apparatus.
Background technology
Due to there is lubricating film in non-contact mechanical seal, it is to avoid directly solid rubs between sealing ring between seal face
Scouring is damaged, thus with technical advantages such as long service life, dependable performance, energy-conserving and environment-protective, is widely used in domestic and international various rotations
Turn fluid machinery.Leakage rate is commonly used to evaluate the effectiveness of a sealing as one of topmost characterisitic parameter is sealed, because
This sealing leak amount experimentation has great significance.When measuring sealing leak amount at this stage, sealing ring side is annular seal space
Pressure, side is ambient pressure, but when fluid dynamic pressure groove is located at sealing ring diverse location or sealing ring pressure at both sides need to be carried out
During regulation, structure of modification inevitably need to be carried out to existing experimental provision, experiment versatility is poor, therefore, it is difficult to promote should
With.
Utility model content
This utility model aims to solve the problem that the problems referred to above, there is provided a kind of adjustable non-contact mechanical seal of seal pressure is let out
Leakage quantity measurement apparatus, it is convenient to adjust sealing ring two using double containment chamber, the version of three groups of sealing ring section arranged in series
The seal pressure of side, and the different sealing ring of convection cell dynamic pressure groove location can realize the measurement of leakage rate, with very strong reality
The property used.The technical scheme that it is adopted is as follows：
A kind of adjustable non-contact mechanical seal leakage amount measuring device for electricity of seal pressure, it is characterised in that：Including interior axle
Set, trundle, O-ring, interior rotating ring, snap ring, interior stationary ring, interior throw-out collar, inner spring, hexagon socket cap head screw, interior sealing chamber, in
Between axle sleeve, inner spring seat, interior hexagon concave-end locking screw, middle springs, middle throw-out collar, middle rotating ring, middle stationary ring, anti-rotation
Pin, external seal chamber, outer spring, outer throw-out collar, outer spring seat, gland, outer rotating ring, outer stationary ring, outer shaft, locking nut, it is described interior
Rotating ring is fixed on internal axle sleeve, on the right side of the interior stationary ring and interior throw-out collar left contact, the inner spring left side and interior throw-out collar right side
Contact, right side contacts with interior sealing chamber, and the interior sealing chamber is fixed on seal case by hexagon socket cap head screw, described
Middle axle sleeve left side and internal axle sleeve right contact, the inner spring seat is connected by interior hexagon concave-end locking screw with middle axle sleeve
Connect, middle springs left side is touched with inner spring seated connection, right side and middle throw-out collar left contact, the middle rotating ring left side is with
Between throw-out collar right contact, the middle stationary ring is fixed on external seal chamber, and the external seal chamber passes through hexagon socket cap head screw
It is fixed on interior sealing chamber, with middle axle sleeve right contact on the left of the outer shaft, the outer spring seat is by interior hexagonal female end
Holding screw is connected with outer shaft, and outer spring left side is touched with outer spring seated connection, right side and outer throw-out collar left contact, described outer
Rotating ring left side and outer throw-out collar right contact, the outer stationary ring is fixed on gland, and the gland passes through hexagon socket cap head screw
It is fixed on external seal chamber, the locking nut left side contacts with outer shaft, and the locking nut is fixed on axle.
Be provided with a trundle between the interior rotating ring and internal axle sleeve, the middle stationary ring and external seal chamber, outer stationary ring with
A stop pin is respectively equipped between gland, on the internal axle sleeve, interior sealing chamber, inner spring seat, external seal chamber and outer spring seat
The cannelure of a placement snap ring is respectively equipped with, two placement O-rings are respectively equipped with the internal axle sleeve, external seal chamber and gland
Cannelure, the cannelure of a placement O-ring is respectively equipped with the interior stationary ring, middle rotating ring, outer rotating ring and outer shaft.
This utility model has the advantage that：The device is using double containment chamber, the structure shape of three groups of sealing ring arranged in series
Formula, the different sealing ring of convection cell dynamic pressure groove location can realize the measurement of leakage rate, and interior sealing component can be used in sealing ring
Footpath side is pressure medium, and outside diameter is the experimentation of ambient pressure, and exterior seal assembly can be used for sealing ring outside diameter for medium
Pressure, internal side diameter is the experimentation of ambient pressure, and the pressure adjustable of intermediate seal component sealing ring both sides both can be medium pressure
Power, alternatively ambient pressure.Additionally, the device adopts segmentation structure, the convenient replacing installed with different sealing ring, with very
Strong practicality.
Description of the drawings
Fig. 1：A kind of structural representation of the adjustable non-contact mechanical seal leakage amount measuring device for electricity of seal pressure；
Fig. 2：A kind of partial structural diagram of the adjustable non-contact mechanical seal leakage amount measuring device for electricity of seal pressure；
Fig. 3：A kind of internal diameter of the adjustable non-contact mechanical seal leakage amount measuring device for electricity of seal pressure opens hydrodynamic
Groove profile of groove；
Fig. 4：A kind of external diameter of the adjustable non-contact mechanical seal leakage amount measuring device for electricity of seal pressure opens hydrodynamic
Groove profile of groove；
Symbol description：
1. internal axle sleeve, 2. trundle, 3.O type circles, 4. in rotating ring, 5.O type circles, 6. snap ring, 7. in stationary ring, 8. snap ring, 9.O
Type circle, 10. in throw-out collar, 11. inner springs, 12. hexagon socket cap head screws, 13. interior sealing chambers, 14. middle axle sleeves, bullet in 15.
Spring abutment, hexagon concave-end locking screw, 17. middle springs, 18. middle throw-out collars, 19.O type circles, 20. middle rotating rings, 21. cards in 16.
Ring, 22. middle stationary rings, 23. snap rings, 24. stop pins, 25.O type circles, 26. external seal chambers, 27.O type circles, hexagonal cylindrical in 28.
Head screw, hexagon concave-end locking screw, 30. outer springs, 31. outer throw-out collars, 32.O type circles, 33.O type circles, 34. outer springs in 29.
Seat, 35. snap rings, 36. hexagon socket cap head screws, 37. glands, 38.O type circles, 39.O type circles, 40. outer rotating rings, 41. outer stationary rings,
42. stop pins, 43. outer shafts, 44. locking nuts.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with example：
As shown in Fig. 1～2, a kind of adjustable non-contact mechanical seal leakage measurement dress of seal pressure of this utility model
Put, including internal axle sleeve (1), trundle (2), O-ring (3,5,9,19,25,27,32,33,38,39), interior rotating ring (4), snap ring
It is (6,8,21,23,35), interior stationary ring (7), interior throw-out collar (10), inner spring (11), hexagon socket cap head screw (12,28,36), interior
Annular seal space (13), middle axle sleeve (14), inner spring seat (15), interior hexagon concave-end locking screw (16,29), middle springs (17),
Middle throw-out collar (18), middle rotating ring (20), middle stationary ring (22), stop pin (24,42), external seal chamber (26), outer spring (30),
Outer throw-out collar (31), outer spring seat (34), gland (37), outer rotating ring (40), outer stationary ring (41), outer shaft (43), locking nut
(44), the interior rotating ring (4) is fixed on internal axle sleeve (1), interior stationary ring (7) right side and interior throw-out collar (10) left contact, institute
Inner spring (11) left side and interior throw-out collar (10) right contact are stated, right side contacts with interior sealing chamber (13), the interior sealing chamber (13)
It is fixed on seal case by hexagon socket cap head screw (12), on the right side of middle axle sleeve (14) left side and internal axle sleeve (1)
Contact, the inner spring seat (15) is connected by interior hexagon concave-end locking screw (16) with middle axle sleeve (14), the middle bullet
Spring (17) left side contact with inner spring seat (15), right side and centre throw-out collar (18) left contact, on the left of the middle rotating ring (20)
With middle throw-out collar (18) right contact, the middle stationary ring (22) is fixed on external seal chamber (26), the external seal chamber (26)
It is fixed on interior sealing chamber (13) by hexagon socket cap head screw (28), with middle axle sleeve (14) on the left of the outer shaft (43)
Right contact, the outer spring seat (34) is connected by interior hexagon concave-end locking screw (29) with outer shaft (43), the outer bullet
Spring (30) left side contacts with outer spring seat (34), right side and outer throw-out collar (31) left contact, on the left of the outer rotating ring (40) with it is outer
Throw-out collar (31) right contact, the outer stationary ring (41) is fixed on gland (37), and the gland (37) is by interior hexagonal cylindrical head
Screw (36) is fixed on external seal chamber (26), and locking nut (44) left side contacts with outer shaft (43), the locking screw
Female (44) are fixed on axle.
A trundle (2) is provided between the interior rotating ring (4) and internal axle sleeve (1), the middle stationary ring (22) is close with outer
A stop pin (24) is provided between envelope chamber (26), between the outer stationary ring (41) and gland (37) stop pin is provided with
(42), on the internal axle sleeve (1), interior sealing chamber (13), inner spring seat (15), external seal chamber (26) and outer spring seat (34) respectively
A cannelure for placing snap ring (6,8,21,23,35) is provided with, on the internal axle sleeve (1), external seal chamber (26) and gland (37)
It is respectively equipped with two cannelures for placing O-ring (3,5,25,27,38,39), it is the interior stationary ring (7), middle rotating ring (20), outer
A cannelure for placing O-ring (9,19,33,32) is respectively equipped with rotating ring (40) and outer shaft (43).
The fluid dynamic pressure groove grooved of experiment sealing ring is as shown in Figure 3 and Figure 4.When requiring that it is medium to test sealing ring internal side diameter
Pressure, when outside diameter is ambient pressure, can be installed on interior sealing component by the experiment sealing ring with fluid dynamic pressure groove, middle close
The sealing ring of sealing assembly and exterior seal assembly is replaced by the pattern without fluid dynamic pressure groove, so as to ensure can only to pass through to test sealing ring
Leakage.Initial time, is passed through fluid media (medium) in interior sealing chamber (13), and its pressure is adjusted to into requirement of experiment value.When main shaft starts
After rotation, a layer fluid film is set up between the dynamic pressure effect effect lower surface that experiment sealing ring fluid dynamic pressure groove is produced, it is stable
After operation, the changing value for measuring medium in interior sealing chamber (13) after certain hour obtains final product leakage value.When require test sealing ring
Outside diameter is pressure medium, when internal side diameter is ambient pressure, can be installed on the experiment sealing ring with fluid dynamic pressure groove outer close
The sealing ring of sealing assembly, interior sealing component and intermediate seal component is replaced by the pattern without fluid dynamic pressure groove, and initial time is outer close
Fluid media (medium) is passed through in envelope chamber (26), after sealing main shaft rotation, between the pump action lower surface of experiment sealing ring one is formed
Layer lubricating film, after stable operation, the changing value for measuring medium in external seal chamber (26) after certain hour obtains final product leakage value.When will
It is realistic when testing sealing ring both sides and being pressure medium, the experiment sealing ring with fluid dynamic pressure groove can be installed on intermediate seal group
The sealing ring of part, interior sealing component and exterior seal assembly is replaced by the pattern without fluid dynamic pressure groove, initial time, interior sealing chamber
(13) fluid media (medium) and in external seal chamber (26) is passed through, and the pressure in two annular seal spaces, sealing master is adjusted according to requirement of experiment
After axle rotation, the pump action due to testing sealing ring, the medium in interior sealing chamber (13) increases or reduces, external seal chamber (26)
Situation then in contrast, measure medium increase or reduced value obtains final product leakage value.
When the sealing ring of the sealing ring without fluid dynamic pressure groove, interior sealing component and exterior seal assembly of middle black box is
During the experiment sealing ring with fluid dynamic pressure groove, fluid media (medium) is passed through in interior sealing chamber (13) and external seal chamber (26), and
Requirement of experiment pressure value is adjusted to respectively, the leakage value of two experiment sealing rings can be simultaneously measured, and improves measurement efficiency.Additionally,
The device adopts segmentation structure, the convenient replacing installed with different sealing ring, with very strong practicality.
Above this utility model is illustrated by way of example, but this utility model is not limited to above-mentioned being embodied as
Example, all any changes done based on this utility model or modification belong to the claimed scope of this utility model.
Claims (2)
1. the adjustable non-contact mechanical seal leakage amount measuring device for electricity of a kind of seal pressure, it is characterised in that：Including internal axle sleeve
(1), trundle (2), O-ring (3,5,9,19,25,27,32,33,38,39), interior rotating ring (4), snap ring (6,8,21,23,35),
Interior stationary ring (7), interior throw-out collar (10), inner spring (11), hexagon socket cap head screw (12,28,36), interior sealing chamber (13), centre
Axle sleeve (14), inner spring seat (15), interior hexagon concave-end locking screw (16,29), middle springs (17), middle throw-out collar (18), in
Between rotating ring (20), middle stationary ring (22), stop pin (24,42), external seal chamber (26), outer spring (30), outer throw-out collar (31), outer bullet
Spring abutment (34), gland (37), outer rotating ring (40), outer stationary ring (41), outer shaft (43), locking nut (44), the interior rotating ring (4)
Be fixed on internal axle sleeve (1), interior stationary ring (7) right side and interior throw-out collar (10) left contact, inner spring (11) left side with
Interior throw-out collar (10) right contact, right side contacts with interior sealing chamber (13), and the interior sealing chamber (13) is by interior hexagonal cylindrical head spiral shell
Nail (12) is fixed on seal case, with internal axle sleeve (1) right contact, the inner spring seat on the left of the middle axle sleeve (14)
(15) be connected with middle axle sleeve (14) by interior hexagon concave-end locking screw (16), on the left of the middle springs (17) and inner spring
Seat (15) contact, right side and middle throw-out collar (18) left contact, middle rotating ring (20) left side and middle throw-out collar (18) right side
Contact, the middle stationary ring (22) is fixed on external seal chamber (26), and the external seal chamber (26) is by interior hexagonal cylindrical head spiral shell
Nail (28) is fixed on interior sealing chamber (13), with middle axle sleeve (14) right contact, the outer bullet on the left of the outer shaft (43)
Spring abutment (34) is connected by interior hexagon concave-end locking screw (29) with outer shaft (43), the outer spring (30) left side and outer spring
Seat (34) contact, right side and outer throw-out collar (31) left contact, outer rotating ring (40) left side and outer throw-out collar (31) right contact, institute
State outer stationary ring (41) to be fixed on gland (37), the gland (37) is fixed on external seal by hexagon socket cap head screw (36)
On chamber (26), locking nut (44) left side contacts with outer shaft (43), and the locking nut (44) is fixed on axle.
2. the adjustable non-contact mechanical seal leakage amount measuring device for electricity of a kind of seal pressure according to claim 1, its
It is characterised by：A trundle (2) is provided between the interior rotating ring (4) and internal axle sleeve (1), the middle stationary ring (22) is close with outer
A stop pin (24) is provided between envelope chamber (26), between the outer stationary ring (41) and gland (37) stop pin is provided with
(42), on the internal axle sleeve (1), interior sealing chamber (13), inner spring seat (15), external seal chamber (26) and outer spring seat (34) respectively
A cannelure for placing snap ring (6,8,21,23,35) is provided with, on the internal axle sleeve (1), external seal chamber (26) and gland (37)
It is respectively equipped with two cannelures for placing O-ring (3,5,25,27,38,39), it is the interior stationary ring (7), middle rotating ring (20), outer
A cannelure for placing O-ring (9,19,33,32) is respectively equipped with rotating ring (40) and outer shaft (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172522.0U CN206161241U (en) | 2016-10-26 | 2016-10-26 | Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172522.0U CN206161241U (en) | 2016-10-26 | 2016-10-26 | Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161241U true CN206161241U (en) | 2017-05-10 |
Family
ID=58656553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172522.0U Expired - Fee Related CN206161241U (en) | 2016-10-26 | 2016-10-26 | Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161241U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561558A (en) * | 2018-07-10 | 2018-09-21 | 拉法泵业科技（宁波）有限公司 | A kind of double mechanical seal |
| CN110440001A (en) * | 2019-08-29 | 2019-11-12 | 浙江工业大学 | A kind of stationary ring replaceable mechanically-sealing apparatus |
| CN110491268A (en) * | 2019-08-16 | 2019-11-22 | 西南石油大学 | A kind of mechanical seal test device and method for experimental teaching |
-
2016
- 2016-10-26 CN CN201621172522.0U patent/CN206161241U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561558A (en) * | 2018-07-10 | 2018-09-21 | 拉法泵业科技（宁波）有限公司 | A kind of double mechanical seal |
| CN110491268A (en) * | 2019-08-16 | 2019-11-22 | 西南石油大学 | A kind of mechanical seal test device and method for experimental teaching |
| CN110440001A (en) * | 2019-08-29 | 2019-11-12 | 浙江工业大学 | A kind of stationary ring replaceable mechanically-sealing apparatus |
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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: 20170510 Termination date: 20171026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |