CN209414613U - Three-level integrated mechanical sealing - Google Patents
Three-level integrated mechanical sealing Download PDFInfo
- Publication number
- CN209414613U CN209414613U CN201822271995.1U CN201822271995U CN209414613U CN 209414613 U CN209414613 U CN 209414613U CN 201822271995 U CN201822271995 U CN 201822271995U CN 209414613 U CN209414613 U CN 209414613U
- Authority
- CN
- China
- Prior art keywords
- ring
- rotating
- stationary ring
- rotating ring
- gland
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 210000004907 gland Anatomy 0.000 claims abstract description 28
- 238000003032 molecular docking Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a kind of three-level integrated mechanical sealing, belongs to technical field of mechanical.This three-level integrated mechanical sealing includes axis, the axle sleeve being set in outside axis, the gland being mounted on outside axle sleeve, end cap is detachably installed close to the position of sleeve end in gland, the first rotating ring is disposed between axle sleeve head end and end cap, first stationary ring, second stationary ring, second rotating ring, rotating seat, third rotating ring, insert stationary ring, first rotating ring is mounted on axle sleeve head end and docks with the first stationary ring, first stationary ring is mounted on gland head end, second stationary ring is arranged in the middle part of gland and docks with the second rotating ring, second rotating ring, third rotating ring is separately mounted to rotating seat two sides, the third rotating ring and the docking of insert stationary ring, the insert stationary ring is mounted on end cap.The advantages of this three-level integrated mechanical sealing, which has, can be reduced leakage rate, and cavity medium is made not leak outside, and improve machine envelope service life.
Description
Technical field
The utility model belongs to technical field of mechanical, is related to a kind of three-level integrated mechanical sealing.
Background technique
Mechanical sealing member is widely used in the equipment such as pump, compressor and Mixing Machine.It is to separate rotary part (such as that it, which is acted on,
Axis) and static structural cavity body between leak path, prevent the intracorporal hazardous medium of chamber from leaking into the external world.Mechanical sealing member is logical
Often it is made of the dynamic component being fixed on axis with the quiet component for being fixed on cavity.
Integrated mechanical sealing is a kind of common mechanical seal structure, by rotating ring, sealing ring, pressure elements spring and
Hardware gland, the composition such as axle sleeve；Its quiet component is relatively easy, has slot stationary ring by one and covers the rubber seal in slot
Element is constituted.Rotating ring and stationary ring are the friction pairs of a pair of of high-flatness, constitute sealing surface under pressure elements effect.The two is opposite
Gap when rotation can effectively prevent internal flow from revealing from sealing surface in micron dimension.The spring for moving component when installation is pressed
Contracting, to provide the normal pressure on sealing surface.The normal pressure must offset thrust caused by sealing internal fluid pressure and could protect
Hold sealing surface closure.If the design work pressure of sealing is very high, elastic element will be very high in the normal pressure of working depth, from
And very high moment of friction is brought to dynamic and static ring.Anchor ring is lost, pressure elements is at this moment just needed to compensate the loss of anchor ring.And
In prolonged use, pressure elements can gradually fail because of the eroded deposit of medium, lead to the failure of entire machine envelope in this way.
In conclusion the utility model, which designs one kind, can be reduced leakage rate, cavity medium is made not leak outside, the machine envelope of raising uses
The three-level integrated mechanical sealing in service life.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, and proposing one kind can be reduced leakage rate,
So that cavity medium is not leaked outside, improves the three-level integrated mechanical sealing of machine envelope service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of three-level integrated mechanical sealing, including
Axis, the axle sleeve being set in outside axis, the gland being mounted on outside axle sleeve are detachably equipped with end close to the position of sleeve end in gland
Lid, be disposed between axle sleeve head end and end cap the first rotating ring, the first stationary ring, the second stationary ring, the second rotating ring, rotating seat,
Third rotating ring, insert stationary ring, first rotating ring are mounted on axle sleeve head end and dock with the first stationary ring, the first stationary ring installation
In gland head end, second stationary ring is arranged in the middle part of gland and docks with the second rotating ring, second rotating ring, third rotating ring point
It is not mounted on rotating seat two sides, the third rotating ring and the docking of insert stationary ring, the insert stationary ring are mounted on end cap.
The end cap is equipped with the positioning with axis docking far from the side of gland as a further improvement of the utility model,
Folder.
It is separately connected between second rotating ring, third rotating ring and rotating seat as a further improvement of the utility model,
There is spring, is connected with spring between first stationary ring and gland.
The sleeve end is fixedly connected by holding screw with axis as a further improvement of the utility model, described
Holding screw is arranged along the radial direction of axis.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect: the utility model
Three-level integrated mechanical sealing is a kind of mechanical sealing member of more structures of multistage, is sealed compared to tradition machinery, the sealing knot being related to
Dielectric leakage is prevented by multi-stage sealed in structure, can be reduced leakage rate, cavity medium is made not leak outside, the machine envelope of raising uses the longevity
Life；This machinery is sealed under Double End structure, has been further added by a face machine seal structure, when in use, lubrication can be injected in end cap
Liquid or coolant liquid seal the cooling and lubricating effect that generates to machine, the working environments of some pump housings must be neatly clean, for make lubricating fluid or
Coolant liquid will not be revealed, this machinery is sealed in that packaging type end cap is external plus one machine envelope, play the role of dual fail-safe.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model.
In figure, 10, axis；20, axle sleeve；30, gland；40, end cap；51, the first rotating ring；52, the first stationary ring；53, second is quiet
Ring；54, the second rotating ring；55, rotating seat；56, third rotating ring；57, insert stationary ring；60, locating clip；70, spring；80, O-ring；
90, holding screw.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Below with reference to Fig. 1, technical scheme provided by the present invention will be described in more detail.
As shown in Figure 1, this three-level integrated mechanical sealing includes axis 10, the axle sleeve being set in outside axis 10 20, is mounted on axis
Gland 30 outside set 20, is detachably equipped with end cap 40 close to the position of 20 end of axle sleeve in gland 30, in 20 head end of axle sleeve and
The first rotating ring 51, the first stationary ring 52, the second stationary ring 53, the second rotating ring 54, rotating seat 55, third are disposed between end cap 40
Rotating ring 56, insert stationary ring 57, first rotating ring 51 are mounted on 20 head end of axle sleeve and dock with the first stationary ring 52, and described first is quiet
Ring 52 is mounted on 30 head end of gland, and the setting of the second stationary ring 53 is docked at 30 middle part of gland and with the second rotating ring 54, and described the
Two rotating rings 54, third rotating ring 56 are separately mounted to 55 two sides of rotating seat, and the third rotating ring 56 and insert stationary ring 57 dock, described
Insert stationary ring 57 is mounted on end cap 40.
Preferably, end cap 40 is equipped with the locating clip 60 with axis docking far from the side of gland 30.
Be connected separately with spring 70 between second rotating ring 54, third rotating ring 56 and rotating seat 55, first stationary ring 52 with
Spring 70 is connected between gland 30.
It is sealedly connected with O-ring 80 respectively between each rotating ring/stationary ring and corresponding axle sleeve 20, gland 30.
20 end of axle sleeve is fixedly connected by holding screw 90 with axis, and the holding screw 90 is set along the radial direction of axis
It sets.
The utility model protects a kind of three-level integrated mechanical sealing, is a kind of mechanical sealing member of more structures of multistage, phase
It is sealed than tradition machinery, prevents dielectric leakage by multi-stage sealed in the sealing structure being related to, can be reduced leakage rate, make cavity
Medium does not leak outside, and improves machine and seals service life；This machinery is sealed under Double End structure, has been further added by a face machine seal structure；?
In use, lubricating fluid or coolant liquid can be injected in end cap, machine is sealed and generates cooling and lubricating effect, the working environment of some pump housings
Must be neatly clean, to reveal lubricating fluid or coolant liquid will not, the utility model packaging type end cap is external plus one of machine envelope,
Play the role of dual fail-safe.
The utility model uses three end face packaging types, and while guaranteeing leakproofness, the friction pair in outside uses fine gold
Hard rock plasma spraying material DRC.
Specifically, this mechanical seal structure is provided that axle sleeve is fixed on axis by O-ring and holding screw, axis turns
The dynamic rotation for driving axle sleeve drives the first rotating ring, the second stationary ring and rotating seat by O-ring and holding screw；Rotating seat is originally
Two included stamped grooves of body drive two rotating ring rotations；Insert stationary ring is fixed on end cap by insert technique；End cap is with interior six
Angle sunk screw is tightened on gland, and the second stationary ring is fixed on gland by O-ring, and the first stationary ring is solid by O-ring
It is scheduled on gland, magnet pin is tight in rotating seat.
When work, medium enters machine envelope inside, the multiple seal with O ring being sequentially distributed by the hole NPT on gland
Firmly, it can be sealed again by rear secondary seal assemblies in work when these O-rings fail, improve leakproofness.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (4)
1. a kind of three-level integrated mechanical sealing, it is characterised in that: including axis, the axle sleeve being set in outside axis, be mounted on outside axle sleeve
Gland, end cap is detachably installed close to the position of sleeve end in gland, is set gradually between axle sleeve head end and end cap
There are the first rotating ring, the first stationary ring, the second stationary ring, the second rotating ring, rotating seat, third rotating ring, insert stationary ring, the first rotating ring peace
It is docked mounted in axle sleeve head end and with the first stationary ring, first stationary ring is mounted on gland head end, and the second stationary ring setting is being pressed
It is docked in the middle part of lid and with the second rotating ring, second rotating ring, third rotating ring are separately mounted to rotating seat two sides, the third rotating ring
It is docked with insert stationary ring, the insert stationary ring is mounted on end cap.
2. three-level integrated mechanical sealing according to claim 1, it is characterised in that: side of the end cap far from gland
Locating clip with axis docking is installed.
3. three-level integrated mechanical sealing according to claim 1, it is characterised in that: second rotating ring, third rotating ring
It is connected separately with spring between rotating seat, is connected with spring between first stationary ring and gland.
4. three-level integrated mechanical sealing according to any one of claims 1 to 3, it is characterised in that: the sleeve end
It is fixedly connected by holding screw with axis, the holding screw is arranged along the radial direction of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271995.1U CN209414613U (en) | 2018-12-29 | 2018-12-29 | Three-level integrated mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271995.1U CN209414613U (en) | 2018-12-29 | 2018-12-29 | Three-level integrated mechanical sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414613U true CN209414613U (en) | 2019-09-20 |
Family
ID=67942078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271995.1U Expired - Fee Related CN209414613U (en) | 2018-12-29 | 2018-12-29 | Three-level integrated mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906008A (en) * | 2019-12-26 | 2020-03-24 | 温州市天成密封件制造有限公司 | Integral floating sealing structure |
| CN114233857A (en) * | 2021-12-13 | 2022-03-25 | 张家港爱斯诺机械密封有限公司 | Mechanical sealing device for mixer capable of adapting to radial movement of shaft |
-
2018
- 2018-12-29 CN CN201822271995.1U patent/CN209414613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906008A (en) * | 2019-12-26 | 2020-03-24 | 温州市天成密封件制造有限公司 | Integral floating sealing structure |
| CN114233857A (en) * | 2021-12-13 | 2022-03-25 | 张家港爱斯诺机械密封有限公司 | Mechanical sealing device for mixer capable of adapting to radial movement of shaft |
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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: 20190920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |