CN208619676U - A kind of labyrinth type isolation water conservancy diversion sealing device - Google Patents
A kind of labyrinth type isolation water conservancy diversion sealing device Download PDFInfo
- Publication number
- CN208619676U CN208619676U CN201821223531.7U CN201821223531U CN208619676U CN 208619676 U CN208619676 U CN 208619676U CN 201821223531 U CN201821223531 U CN 201821223531U CN 208619676 U CN208619676 U CN 208619676U
- Authority
- CN
- China
- Prior art keywords
- ring
- rotary shaft
- stationary
- rotating ring
- main
- 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.)
- Active
Links
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a kind of labyrinth type isolation water conservancy diversion sealing device, including at least rotary shaft, equipment end cap, rotating ring and stationary ring, moving ring sleeve is fixed on the rotary shaft and with rotary shaft, and is rotated together with rotary shaft, equipment end cap covers on the rotary shaft, and stationary ring is connected and fixed with equipment end cap；The rotating ring includes the first main ring and the second main ring being arranged radially along rotary shaft, and the interior rotating ring, middle rotating ring and the outer rotating ring that are connected between the first main ring and the second main ring；The stationary ring includes the third main ring being arranged radially along rotary shaft, and the interior stationary ring, middle stationary ring and the outer stationary ring that are connected on third main ring, and the stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, and tortuous seal chamber is collectively formed；The device not only favorable sealing property, plays the effect of isolation, additionally it is possible to according to the different corresponding selection fillers of institute's sealing medium, play the effect of water conservancy diversion.
Description
Technical field
The utility model provides a kind of sealing device more particularly to a kind of sealing device with water conservancy diversion, isolation features,
Belong to technical field of mechanical.
Background technique
Labyrinth seal is that several belt sealing teeth being arranged successively are set around rotation axis, and a system is formed between tooth and tooth
Shut off gap and expansion cavity are arranged, sealed medium generates throttle effect when through the gap in tortuous labyrinth and reaches Drain Resistance
The device of purpose.Since there are gap, no solid contacts between the rotor and casing of labyrinth seal, and allow to have thermal expansion, therefore
Adapt to high temperature, high pressure, the occasion of high speed-frequency, this seal form be widely used in steam turbine, gas turbine, compressor,
The shaft end of air blower and it is at different levels between sealing.
In the stringenter occasion of some requirements, sealing device will not only reach in seal chamber when in use to be lubricated
The zero leakage of oil, but also to achieve the purpose that prevent extraneous pollutant from entering inside seal chamber, in addition, for sealing element
Service life also has higher requirement, therefore it provides a kind of sealing performance is very excellent, and the sealing that service life is permanent
Device becomes this field urgent problem to be solved.
Summary of the invention
The utility model solves deficiency in the prior art, provides a kind of labyrinth type isolation water conservancy diversion sealing device, should
Device not only favorable sealing property, plays the effect of isolation, additionally it is possible to according to the different corresponding selection fillers of institute's sealing medium,
Play the effect of water conservancy diversion.
Realize technical solution used by the utility model above-mentioned purpose are as follows:
A kind of labyrinth type isolation water conservancy diversion sealing device, includes at least rotary shaft, equipment end cap, rotating ring and stationary ring, moving ring sleeve
It fixes, and is rotated together with rotary shaft on the rotary shaft and with rotary shaft, equipment end cap covers on the rotary shaft, stationary ring and equipment end
Lid is connected and fixed；The rotating ring includes the first main ring and the second main ring being arranged radially along rotary shaft, and is connected to first
Interior rotating ring, middle rotating ring and outer rotating ring between main ring and the second main ring, interior rotating ring, middle rotating ring and outer rotating ring are along rotary shaft axial direction
Setting, the section that the first main ring, the second main ring, interior rotating ring, middle rotating ring and outer rotating ring are collectively formed are in " mortar " font；Described is quiet
Ring includes the third main ring being arranged radially along rotary shaft, and the interior stationary ring, middle stationary ring and the outer stationary ring that are connected on third main ring,
Interior stationary ring, middle stationary ring and outer stationary ring are axially arranged along rotary shaft, third main ring, interior stationary ring, middle stationary ring and the common shape of outer stationary ring
At section be in " king " font, the stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, is collectively formed tortuous close
Seal chamber, third main ring is divided into left and right two parts between the first main ring and the second main ring, and by middle rotating ring and outer rotating ring, in it is quiet
Ring is between outer rotating ring and middle rotating ring, and interior stationary ring is between middle rotating ring and interior rotating ring；The equipment end cap and interior rotating ring
Inner headed face on be provided with seal groove, the sealing ring being in contact with rotary shaft is mounted in seal groove.
It is distributed with axial bolt hole on the outer stationary ring, connection bolt is installed in bolt hole, and equipment end covers pair
It should be provided with threaded hole, stationary ring is fixed on equipment end by connection bolt and covers.
On the middle rotating ring, outer rotating ring, interior stationary ring, middle stationary ring and outer stationary ring, it is provided with more than one protrusion
Seal ring gear.
There are two interface tube, two interface tubes are located at left and right sides of third main ring for the bottom setting of the outer stationary ring
Lower section.
Compared with prior art, the utility model has the advantage that the side of equipment end cap in the application is to be sealed
Region, set sealing ring is first of sealing between equipment end cap and rotary shaft, and the medium sealed is sealed by this
Circle enters in seal chamber, fills in the insulating effect and seal chamber of set multiple sealing ring gears on rotating ring and stationary ring
It under the barrier of sealing medium, can not further leak, to play the sealing effect of isolation.If the substance sealed is liquid
When, return pipe is connected at pipe fitting, under the influence of centrifugal force into the liquid in seal chamber, be gathered in the bottom of stationary ring and
Return pipe is flowed into via interface tube.If the substance sealed is gas or steam, tracheae is connected at pipe fitting, by tracheae to
High pressure gas is poured in seal chamber, is completely cut off.If the substance sealed is dust, greasing pipe is connected at pipe fitting,
By injecting grease into seal chamber, to play the effect of isolation dust, powder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that water conservancy diversion sealing device is isolated in labyrinth type provided by the utility model；
In figure: 1- rotary shaft, 2- equipment end cap, the first main ring of 3-, rotating ring in 4-, the outer rotating ring of 5-, 6- third main ring, in 7-
Stationary ring, stationary ring in 8-, the outer stationary ring of 9-, 10- seal chamber, 11- sealing ring, 12- connection bolt, 13- threaded hole, 14- sealing ring gear,
Rotating ring in 15-, 16- interface tube, the second main ring of 17-.
Specific embodiment
Detailed specific description is done to the utility model with reference to the accompanying drawing.
As shown in FIG. 1, FIG. 1 is section views for the overall structure of labyrinth type isolation water conservancy diversion sealing device provided by the utility model
Figure.It includes rotary shaft 1, equipment end cap 2, rotating ring and stationary ring that water conservancy diversion sealing device, which is isolated, in the labyrinth type, and moving ring sleeve is on the rotary shaft
And fixed with rotary shaft, and rotated together with rotary shaft, the rotating ring includes 3 He of the first main ring being arranged radially along rotary shaft
Second main ring 17, and the interior rotating ring 4, middle rotating ring 15 and the outer rotating ring 5 that are connected between the first main ring and the second main ring, it is interior dynamic
Ring, middle rotating ring and outer rotating ring are axially arranged along rotary shaft, the first main ring, the second main ring, interior rotating ring, middle rotating ring and outer rotating ring
The section being collectively formed is in " mortar " font；It is provided with seal groove on the inner headed face of interior rotating ring, is mounted on and rotates in seal groove
The sealing ring 11 that axis is in contact, sealing ring, which is extruded, to be installed in seal groove, and rotating ring is consolidated under the frictional force effect of sealing ring
Determine on the rotary shaft.
The stationary ring includes the third main ring 6 being arranged radially along rotary shaft, and is connected to interior quiet on third main ring
Ring 7, middle stationary ring 8 and outer stationary ring 9, interior stationary ring, middle stationary ring and outer stationary ring along rotary shaft axially be arranged, third main ring, interior stationary ring,
The section that middle stationary ring and outer stationary ring are collectively formed is in " king " font.
Equipment end cap covers on the rotary shaft, and seal groove, installation in seal groove are provided on the inner headed face of the equipment end cap
There is the sealing ring being in contact with rotary shaft.Axial bolt hole is distributed on the outer stationary ring 9, connection bolt 12 is installed on spiral shell
In keyhole, equipment end, which covers, is correspondingly arranged on threaded hole 13, and stationary ring is fixed on equipment end by connection bolt and covers.
The stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, and tortuous seal chamber 10, third is collectively formed
Main ring is divided into left and right two parts between the first main ring and the second main ring, and by middle rotating ring and outer rotating ring, and middle stationary ring is located at outer
Between rotating ring and middle rotating ring, interior stationary ring is between middle rotating ring and interior rotating ring；The middle rotating ring, outer rotating ring, interior stationary ring, in it is quiet
On ring and outer stationary ring, it is provided with the sealing ring gear 14 of more than one protrusion.There are two pipes for the bottom setting of the outer stationary ring
Interface 17, two interface tubes are located at the lower section at left and right sides of third main ring.
Claims (4)
1. water conservancy diversion sealing device is isolated in a kind of labyrinth type, includes at least rotary shaft, equipment end cap, rotating ring and stationary ring, moving ring sleeve and exist
It fixes in rotary shaft and with rotary shaft, and is rotated together with rotary shaft, equipment end cap covers on the rotary shaft, stationary ring and equipment end cap
It is connected and fixed；It is characterized by: the rotating ring includes the first main ring and the second main ring being arranged radially along rotary shaft, Yi Jilian
Interior rotating ring, middle rotating ring and the outer rotating ring being connected between the first main ring and the second main ring, interior rotating ring, middle rotating ring and outer rotating ring are along rotation
Shaft is axially arranged, and the section that the first main ring, the second main ring, interior rotating ring, middle rotating ring and outer rotating ring are collectively formed is in " mortar " font；
The stationary ring includes the third main ring being arranged radially along rotary shaft, and the interior stationary ring, the middle stationary ring that are connected on third main ring
With outer stationary ring, interior stationary ring, middle stationary ring and outer stationary ring are axially arranged along rotary shaft, third main ring, interior stationary ring, middle stationary ring and outer quiet
The section that ring is collectively formed is in " king " font, and the stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, is collectively formed
Tortuous seal chamber, third main ring are divided into left and right two between the first main ring and the second main ring, and by middle rotating ring and outer rotating ring
Part, middle stationary ring is between outer rotating ring and middle rotating ring, and interior stationary ring is between middle rotating ring and interior rotating ring；The equipment end cap with
And seal groove is provided on the inner headed face of interior rotating ring, the sealing ring being in contact with rotary shaft is mounted in seal groove.
2. water conservancy diversion sealing device is isolated in labyrinth type according to claim 1, it is characterised in that: be distributed on the outer stationary ring
There is axial bolt hole, connection bolt is installed in bolt hole, and equipment end, which covers, is correspondingly arranged on threaded hole, and stationary ring passes through connection
Bolt is fixed on equipment end and covers.
3. water conservancy diversion sealing device is isolated in labyrinth type according to claim 1, it is characterised in that: the middle rotating ring, outer dynamic
On ring, interior stationary ring, middle stationary ring and outer stationary ring, it is provided with the sealing ring gear of more than one protrusion.
4. water conservancy diversion sealing device is isolated in labyrinth type according to claim 3, it is characterised in that: the bottom of the outer stationary ring is set
It sets there are two interface tube, two interface tubes are located at the lower section at left and right sides of third main ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223531.7U CN208619676U (en) | 2018-07-31 | 2018-07-31 | A kind of labyrinth type isolation water conservancy diversion sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223531.7U CN208619676U (en) | 2018-07-31 | 2018-07-31 | A kind of labyrinth type isolation water conservancy diversion sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619676U true CN208619676U (en) | 2019-03-19 |
Family
ID=65708040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821223531.7U Active CN208619676U (en) | 2018-07-31 | 2018-07-31 | A kind of labyrinth type isolation water conservancy diversion sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
-
2018
- 2018-07-31 CN CN201821223531.7U patent/CN208619676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204201083U (en) | Revolution lip labyrinth gland | |
| CN208619676U (en) | A kind of labyrinth type isolation water conservancy diversion sealing device | |
| CN204201100U (en) | A kind of assembly type revolution lip labyrinth gland | |
| CN208619674U (en) | Water conservancy diversion sealing device is isolated | |
| CN206694561U (en) | A kind of special labyrinth gland of spray cooling system | |
| CN104315150B (en) | Rotary lip labyrinth sealing device | |
| CN205383266U (en) | Dredge tooth sealing device | |
| CN208619675U (en) | A kind of isolation water conservancy diversion sealing device | |
| CN208619673U (en) | A kind of contact labyrinth gland | |
| CN208719355U (en) | A kind of water proof type oil-sealing arrangement | |
| CN113124168B (en) | Waterproof oil-separating sealing device | |
| CN204921994U (en) | Sealing device is kept apart to combination formula based on dust lip | |
| CN104329468B (en) | A kind of two-way floating sealing device | |
| CN208935386U (en) | A kind of oil isolated from water sealing device | |
| CN105065679A (en) | Oil seal structure for supercharger | |
| CN205155150U (en) | Independently sealing device is kept apart to grease discharging formula based on dust lip | |
| CN210859819U (en) | Automatic grease discharging type wind generating set main shaft sealing device | |
| CN205371639U (en) | Multistage lip van -type sealing device | |
| CN208719345U (en) | A kind of dust-protection type oil-sealing arrangement | |
| CN210890100U (en) | External radial multi-lip bidirectional Z-shaped sealing device | |
| CN211574257U (en) | Limited grease discharging main shaft sealing device | |
| CN205089971U (en) | Independently arrange fat formula mixed type labyrinth seals device | |
| CN220505788U (en) | Waterproof oil-separation sealing device | |
| CN204201089U (en) | A kind of hybrid type labyrinth gland | |
| CN204573043U (en) | A kind of combined type ring gear seal arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |