CN206112093U - Modular labyrinth seals device - Google Patents
Modular labyrinth seals device Download PDFInfo
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- CN206112093U CN206112093U CN201621189231.2U CN201621189231U CN206112093U CN 206112093 U CN206112093 U CN 206112093U CN 201621189231 U CN201621189231 U CN 201621189231U CN 206112093 U CN206112093 U CN 206112093U
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- sealing device
- sealing
- strip
- bracket
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Abstract
The utility model relates to a modular labyrinth seals device, it includes sealing device, sealing strip, bracket. The cross section of bracket is the m shape, has 2 water jacket strips, 1 - 30 inside groove strips on the bracket, and the water jacket strip and the inside groove strip of bracket are supporting sealing device, and the water jacket strip still plays dustproof, waterproof effect. Sealing device inserts in the inside groove of bracket, and the inslot between sealing device and the sealing device has the sealing strip, and the sealing strip is on the inside groove strip. Modular labyrinth seals device is according to dynamic seal's needs, the different characteristics of combined sealing material, and the material of bracket is that mild rubber does, and sealing device, sealing strip are preparation such as graphite, tetrafluoroethene, and two soft or hards combine, and the buffering through the rubber bracket supports, and the sealing strip of radian face, sealing device can reach better dynamic seal effect, have reached wear -resisting, dustproof, leak -tight good sealing performance.
Description
Technical field
This utility model is related to be a kind of labyrinth gland, more specifically Combined Labyrinth sealing device.
Background technology
Labyrinth seal is that have perhaps flexuose cell to make the sealing that leakage reduces between rotational parts and retaining element.Typically
Labyrinth seal be often a kind of all-in-one-piece labyrinth gland that material makes.Rotary speed and temperature are not received in labyrinth seal
Restriction, friction power loss is minimum.Prior art labyrinth seal typically utilizes the principle of groove and groove, by the spacer and end cap of body
On be processed into the groove for cooperating, the gap of very little is left between groove and groove, several rings being arranged in order is set around rotating shaft
Row sealing tooth, forms a series of dam gap and expansion cavitys between tooth and tooth, sealed medium is by between tortuous labyrinth
Throttle effect and Drain Resistance are produced during gap.
At present, airlock, wind stopping device, discharge gate are applied to the handling of dry powdery and granule materials；Airlock, close wind
Device, discharge gate are made up of valve body, column type impeller, bearing, sealing device, driving means.Column type impeller is in valve body
Intracavity, column type impeller are made up of valve shaft, barrel valve, storage bin, sealing device.Pacify on barrel valve around storage bin Hatch Opening
Equipped with sealing device；Due to convey material need it is closed and have in the system of high pressure, negative pressure transmit, to Impeller airlock
The requirement more and more higher of air-tightness, gas leakage and discharge pressure；The current little poor air-tightness of Impeller airlock sealing surface, air leakage
Greatly, charging, the high gas-tight seal use requirement of discharging of vacuum drying apparatus are not reached.Dynamic sealing requirements to sealing device
Gao Liao, needs to ensure that the high-air-tightness of airlock, wind stopping device, discharge gate in operation process is strong, air leakage is small.
The content of the invention
Problem to be solved in the utility model is to overcome the shortcomings of that prior art is present, there is provided a kind of dynamic sealing performance
Good Combined Labyrinth sealing device, which utilizes the sealing principle of groove and groove, with reference to the characteristic of different encapsulants, soft or hard knot
Close, reached the performance of wear-resisting, dust-proof, leakproof.
In order to reach above-mentioned purpose, what this utility model was achieved through the following technical solutions：In order to reach above-mentioned requirements, group
Box-like labyrinth gland includes sealing device, sealing strip, bracket.
The making material of described bracket is rubber, or compound material.
The outward appearance of described bracket is the sealing strip of strip, or O-shaped sealing ring.
The cross section of described bracket is m shapes, has 2 outer groove bars, 1-30 Inner groove bars on bracket.
The height of described outer groove bar is higher than the height of Inner groove bar.
1st, the depth of the Inner grooves of bracket is 1.5-25mm, and the width of Inner grooves is 1-3mm.
2nd, the height of outer groove bar is 2-30mm；The width of outer groove bar is 0.5-5mm；The length of outer groove bar is 20-
1000mm。
3rd, the height of interior groove bar is 1-28mm；The width of interior groove bar is 0.1-5mm；The length of Inner groove bars is 20-
1000mm。
Described outer groove bar plays a part of dust-proof, waterproof.
The upper surface of described outer groove bar is plane, or concave arc degree shape, or convex arc degree shape.Outer groove bar it is upper
End face designs suitable contact surface according to different sealing surface needs, increases dust-proof effect.
1st, bracket is O-ring seal, and when Inner notches are outside, the upper surface of outer groove bar is convex arc degree shape.
2nd, bracket is O-ring seal, and when Inner notches are inside, the upper surface of outer groove bar is concave arc degree shape.
3rd, bracket is the sealing strip of strip, and when Inner notches are parallel, the upper surface of outer groove bar is plane.
The making material of described sealing device is rubber, or metal, or graphite, or tetrafluoroethene,
Or compound material.
The making material of described sealing strip is rubber, or metal, or graphite, or tetrafluoroethene, or
Person is compound material.
Described sealing device is the sealing strip of strip, or O-shaped sealing ring.
Described sealing device is arranged in the Inner grooves of bracket.
1st, the height of sealing device is 2.5-28mm, and the width of sealing device is 0.1-3mm；The length of sealing device is
20—1000mm。
2nd, the height of the upper surface of sealing device 1-3mm higher than the height of the upper surface of the Inner groove bars of bracket.
3rd, the height of the upper surface of sealing device with the height of the upper surface of the outer groove bar of bracket be as height.
The Inner grooves of each of present labyrinth gland are insertions, without cut-off between its Inner groove.
Described sealing strip is the sealing strip of strip.
There is sealing strip in inside groove between described sealing device and sealing device.
Described sealing strip is mounted in above Inner groove bars, or sealing strip and Inner groove bars are one.
1st, in the inside groove between sealing device and sealing device every a segment distance install a sealing strip, sealing device with
The little space for sealing one by one can be formed in inside groove between sealing device, strengthens interior between sealing device and sealing device
The tightness of groove, reduces the effect revealed.
2nd, the upper surface height of sealing strip is as the upper surface height of sealing device；The width and Inner grooves of sealing strip
The width of bar is the same, and the length of sealing strip is 1-8mm.
The fixed sealing device of described bracket, during dynamic sealing, bracket also act as to the power-assisted of sealing device,
The effect of absorption.
According to the needs of dynamic sealing, with reference to the different qualities of encapsulant, the material of bracket is that soft rubber makes
, sealing device is that graphite makes, and two soft or hards are combined, and are supported by the pressure buffer of rubber bracket, and sealing device can be with
Reach more preferable dynamic sealing effect.
1st, sealing device is pressed in the groove of the bracket of rubber, the pressure of the sealing device that the bracket of rubber is subject to can be with
Sealing device is passed in bounce-back, increases the palette dynamics of sealing device.
2nd, the pressure in the external world that sealing device is subject to can be conducted on the bracket of rubber, and the bracket of such rubber is absorbed
Excess pressure, it is possible to reduce the abrasion of sealing device.
The upper surface of described sealing device is plane, or concave arc degree shape, or convex arc degree shape；According to difference
Sealing surface need, design suitable contact surface, increase sealing area.
The upper surface of described sealing strip is plane, or concave arc degree shape, or convex arc degree shape；According to different
Sealing surface needs, and designs suitable contact surface, increases sealing area.
1st, bracket is O-ring seal, and sealing device is O-ring seal, and when Inner notches are outside, the upper surface of sealing device is
Convex arc degree shape, the upper surface of sealing strip is convex arc degree shape.
2nd, bracket is O-ring seal, and sealing device is O-ring seal, and when Inner notches are inside, the upper surface of sealing device is
Concave arc degree shape；The upper surface of sealing strip is concave arc degree shape.
3rd, bracket is the sealing strip of strip, and sealing device is sealing strip, when Inner notches are parallel, the upper end of sealing device
Face is plane；The upper surface of sealing strip is plane.
The installation of described Combined Labyrinth sealing device, the method for using and labyrinth gland currently on the market
The method for install, using is the same.Combined Labyrinth sealing device is also applied to the sealing device of liquid, gas
On, which has reached the excellent sealing performance of wear-resisting, dust-proof, leakproof, durable in use.
This utility model is had the advantages that with existing labyrinth gland ratio：Combined Labyrinth sealing device according to
The needs of dynamic sealing, which utilizes the sealing principle of groove and groove, and with reference to the characteristic of different encapsulants, soft or hard is combined, reached
The performance of wear-resisting, dust-proof, leakproof.The material of bracket is what soft rubber made, sealing device, sealing strip be graphite, four
What fluorothene made, two soft or hards are combined, and are supported by the pressure buffer of rubber bracket, and the sealing device in radian face can reach
More preferable dynamic sealing effect.
Description of the drawings
The schematic front view of Fig. 1, Combined Labyrinth sealing device of the present utility model；
Fig. 2, the schematic diagram of the cross section of Combined Labyrinth sealing device of the present utility model；
Fig. 3, the schematic diagram of the cross section of the bracket of Combined Labyrinth sealing device of the present utility model.
Specific embodiment：
With reference to the accompanying drawings and examples this utility model is described further.
Embodiment：A kind of Combined Labyrinth sealing device as shown in Figure 1, which includes sealing device（1）, sealing strip（8）,
Bracket（2）.
Described bracket（2）Making material be rubber.
Described bracket（2）Outward appearance be strip.
Bracket as shown in Figure 2 and Figure 3（2）Cross section be m shapes.
Described bracket（2）On have 2 outer groove bars（5）, 3 Inner groove bars（6）.
Described outer groove bar（5）Height than Inner groove bar（6）Height it is high.
1st, bracket（2）Inner grooves（4）Depth be 3mm, Inner grooves（4）Width be 2mm.
2nd, outer groove bar（5）Height be 5mm；Outer groove bar（5）Width be 2mm；Outer groove bar（5）Length be 380mm.
3rd, interior groove bar（6）Height be 3.5mm；Interior groove bar（6）Width be 1mm；Inner groove bars（6）Length be 380mm.
Described outer groove bar（5）Play a part of dust-proof, waterproof.
Described bracket（2）Outward appearance when being the sealing strip of strip, Inner grooves（4）When mouth is parallel, bracket（2）Outer groove bar
（5）Upper surface（3）It is plane.
Described sealing device（1）Making material be graphite；Sealing device（1）It is the sealing strip of strip.
Described sealing strip（8）Making material be tetrafluoroethene；Sealing strip（8）It is the sealing strip of strip.
Sealing device as shown in Figure 2 and Figure 3（1）Installed in bracket（2）Inner grooves（4）In.
1st, sealing device（1）Height be 5mm, sealing device（1）Width be 1mm；Sealing device（1）Length be
380mm。
2nd, sealing device（1）Upper surface（3）Height compare bracket（2）Inner groove bars（6）Upper surface（3）Height it is high
1.5mm。
3rd, sealing device（1）Upper surface（3）Height and bracket（2）Outer groove bar（6）Upper surface（3）Height be the same
Height.
Sealing device as shown in Figure 1 and Figure 2（1）With sealing device（1）Between groove in have sealing strip（8）；Sealing strip
（8）In Inner groove bars（6）Above.
1st, sealing device（1）With sealing device（1）Between inside groove in sealing strip is installed（8）, sealing device（1）With it is close
Seal apparatus（1）Between inside groove in can form the little space for sealing one by one；Strengthen sealing device（1）With sealing device（1）
Between groove in tightness, reduce reveal effect.
2nd, sealing strip（8）Upper surface（3）Height and sealing device（1）Upper surface（3）Height is the same；Sealing strip
（8）Width and Inner groove bars（6）Width be the same, sealing strip（8）Length be 3mm.
Described bracket（2）When being the sealing strip of strip, sealing device（1）Upper surface（3）It is plane；Sealing strip
（8）Upper surface（3）It is plane.
The installation of Combined Labyrinth sealing device, the installation of the method for using and common labyrinth gland, use
Method is the same.
1st, the needs according to dynamic sealing, with reference to the different qualities of encapsulant, bracket（2）Material be soft rubber
Make, sealing device（1）It is graphite making, sealing strip（8）It is that tetrafluoroethene makes.
2nd, bracket（2）Fixed sealing device（1）, during dynamic sealing, bracket（2）Also act as to sealing device
（1）, sealing strip（8）Power-assisted, absorb effect.
3rd, bracket（2）, sealing device（1）, sealing strip（8）The soft or hard of three is combined, by rubber bracket（2）Pressure delay
Punching is supported, sealing device（1）, sealing strip（8）More preferable dynamic sealing effect can be reached.
4th, by sealing device（1）It is pressed in bracket（2）Inside groove（4）, sealing strip（8）In Inner groove bars（6）Above；Pressure
By sealing device（1）, sealing strip（8）Collapse into bracket（2）It is interior, the bracket of rubber（2）The sealing device being subject to（1）, sealing strip
（8）Pressure generate bounce, bracket（2）Can be by bounce anti-pass to sealing device（1）, sealing strip（8）, so can be with
Increase sealing device（1）, sealing strip（8）Palette dynamics.
5th, sealing device（1）, sealing strip（8）The pressure in the external world being subject to can be conducted to the bracket of rubber（2）On, sealing
Device（1）, sealing strip（8）Bracket can be trapped into（2）It is interior, the bracket of rubber at this moment（2）Absorb excess pressure, it is possible to reduce
Sealing device（1）, sealing strip（8）Abrasion.
Above example is only intended to help and understands manufacture method of the present utility model and its core concept, is embodied as not
Be confined to above-mentioned specific embodiment, those skilled in the art from above-mentioned design, without performing creative labour, institute
The change made, all falls within protection domain of the present utility model.
Claims (9)
1. a kind of Combined Labyrinth sealing device, it is characterised in that：Combined Labyrinth sealing device includes sealing device（1）, it is close
Strip of paper used for sealing（8）, bracket（2）；
Described bracket（2）Cross section be m shapes；
Described bracket（2）It is the sealing strip of strip, or O-shaped sealing ring；
Described bracket（2）On have 2 outer groove bars（5）, 1-30 Inner groove bars（6）；
Described outer groove bar（5）Upper surface（3）Height than Inner groove bar（6）Upper surface（3）Height it is high；
Described bracket（2）Inner grooves（4）Depth be 1.5-25mm, Inner grooves（4）Width be 1-3mm；
Described sealing device（1）Installed in bracket（2）Inner grooves（4）In；
Described outer groove bar（5）Upper surface（3）It is plane, or concave arc degree shape, or convex arc degree shape；
Described sealing device（1）It is the sealing strip of strip, or O-shaped sealing ring；
Described sealing device（1）Upper surface（3）It is plane, or concave arc degree shape, or convex arc degree shape；
Described sealing strip（8）It is the sealing strip of strip；
Described sealing strip（8）Upper surface（3）It is plane, or concave arc degree shape, or convex arc degree shape；
Described sealing device（1）Upper surface（3）Height compare bracket（2）Inner groove bars（6）Upper surface（3）Height it is high
1-3mm, sealing device（1）Upper surface（3）Height and bracket（2）Outer groove bar（5）Upper surface（3）Height be the same；
Described sealing device（1）With sealing device（1）Between inside groove in have sealing strip（8）；
Described sealing strip（8）Upper surface（3）Height and sealing device（1）Upper surface（3）Height is the same；Sealing strip
（8）Width and Inner groove bars（6）Width be the same, sealing strip（8）Length be 1-8mm.
2. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Bracket（2）Making material
It is rubber, or compound material.
3. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：The height of outer groove bar is 2-
30mm；The width of outer groove bar is 0.5-5mm；The length of outer groove bar is 20-1000mm；The height of interior groove bar is 1-28mm；It is interior
The width of groove bar is 0.1-5mm；The length of Inner groove bars is 20-1000mm.
4. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Bracket（2）It is O-shaped sealing
Circle, Inner grooves（4）When mouth is outside, outer groove bar（5）Upper surface（3）It is convex arc degree shape；Bracket（2）It is O-ring seal, Inner grooves（4）
When mouth is inside, outer groove bar（5）Upper surface（3）It is concave arc degree shape；Bracket（2）It is the sealing strip of strip, Inner grooves（4）Mouth is parallel
When, outer groove bar（5）Upper surface（3）It is plane.
5. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Sealing device（1）Making
Material is rubber, or metal, or graphite, or tetrafluoroethene, or compound material.
6. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Sealing strip（8）Making material
Material is rubber, or metal, or graphite, or tetrafluoroethene, or compound material.
7. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Sealing device（1）Height
It is 2.5-28mm, sealing device（1）Width be 0.1-3mm, sealing device（1）Length be 20-1000mm.
8. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Bracket（2）It is O-shaped sealing
Circle, sealing device is O-ring seal, Inner grooves（4）When mouth is outside, sealing device（1）Upper surface（3）It is convex arc degree shape, sealing
Bar（8）Upper surface（3）It is convex arc degree shape；
Bracket（2）It is O-ring seal, sealing device is O-ring seal, Inner grooves（4）When mouth is inside, sealing device（1）Upper end
Face（3）It is concave arc degree shape, sealing strip（8）Upper surface（3）It is concave arc degree shape；
Bracket（2）It is the sealing strip of strip, sealing device is to seal strip, Inner grooves（4）When mouth is parallel；Sealing device（1）'s
Upper surface（3）It is plane, sealing strip（8）Upper surface（3）It is plane.
9. a kind of Combined Labyrinth sealing device according to claim 1, it is characterised in that：Sealing strip（8）It is mounted in
Inner groove bars（6）Above, or sealing strip（8）With Inner groove bars（6）It is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189231.2U CN206112093U (en) | 2016-11-05 | 2016-11-05 | Modular labyrinth seals device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189231.2U CN206112093U (en) | 2016-11-05 | 2016-11-05 | Modular labyrinth seals device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112093U true CN206112093U (en) | 2017-04-19 |
Family
ID=58525442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621189231.2U Expired - Fee Related CN206112093U (en) | 2016-11-05 | 2016-11-05 | Modular labyrinth seals device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352097A (en) * | 2016-11-05 | 2017-01-25 | 张海娟 | Combined labyrinth sealing device |
-
2016
- 2016-11-05 CN CN201621189231.2U patent/CN206112093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352097A (en) * | 2016-11-05 | 2017-01-25 | 张海娟 | Combined labyrinth sealing device |
| CN106352097B (en) * | 2016-11-05 | 2018-01-26 | 张海娟 | Combined labyrinth sealing device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20181105 |