CN201461958U - Floating metal cellular seal - Google Patents
Floating metal cellular seal Download PDFInfo
- Publication number
- CN201461958U CN201461958U CN2009201092715U CN200920109271U CN201461958U CN 201461958 U CN201461958 U CN 201461958U CN 2009201092715 U CN2009201092715 U CN 2009201092715U CN 200920109271 U CN200920109271 U CN 200920109271U CN 201461958 U CN201461958 U CN 201461958U
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- CN
- China
- Prior art keywords
- seal
- sealing
- axial elasticity
- spare
- ring
- 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
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a floating metal cellular seal, and belongs to the technical field of working medium seal of high-speed running shaft systems of fluid machinery. The seal comprises a seal body, a cellular belt and a radial elastic piece, wherein the seal body is combined with the cellular belt; and the radial elastic piece is arranged on the excircle surface of the seal body. The seal has the characteristics of effectively preventing poor sealing effect of the seal body due to self weight and preventing short service life of the seal caused by friction between the sealing belt and a rotor. Meanwhile, the seal also has the advantages of performing effect sealing according to specific working environment, effectively eliminating the vibration of the shaft systems of the fluid machinery and the like.
Description
Technical field
It is the working medium technical field of sealing technology that the utility model relates to the fluid machinery axle that runs up, and relates in particular to the sealing of a kind of float type metal beehive.
Background technique
At present, Comb Labyrinth Seals or the carbocyclic ring sealing configurations of adopting in fluid machinery runs up a sealing that is working medium more.Wherein, adopt Comb Labyrinth Seals to have following shortcoming and defect: sealing effect is not fine, and medium has leakage phenomenon; The shafting vibration of fluid machinery is very big; In addition, the destruction that mill causes axle system is bumped on the surface of broach and axle system, causes the cisco unity malfunction of whole machinery.And the shortcoming and defect that the carbocyclic ring sealing has comprises graphite grazings are adopted in the carbocyclic ring sealing more, causes its mechanical strength very low, and is easily cracked under radial load, and is not suitable for using under hot environment.
Moreover existing metal beehive sealing offsets downward along working shaft system owing to the gravity of self, causes sealing effect bad, and sealing strip in causing sealing and the friction between the rotor, damages working shaft system easily, has influenced the life-span of sealing.And existing metal beehive sealing configuration can not effectively seal according to concrete working environment at the working surface that is connected with housing.Existing metal beehive sealing is the shafting vibration of eliminate fluid machinery effectively.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this utility model provides and a kind ofly effectively overcomes Sealing because self gravitation causes the float type metal beehive sealing of the bad and sealing long service life of sealing effect.
The purpose of this utility model is achieved through the following technical solutions:
A kind of float type metal beehive sealing comprises seal and cellular band, seal and cellular band combination.Sealing also comprises the radial elastic spare of being located on the seal, and described radial elastic spare is located on the cylindrical end face of seal.
Described radial elastic spare comprises two or more, and radial elastic spare comprises pressure spring, is located in the radially mounting hole on the periphery of seal.
Sealing also comprises the axial elasticity ring, and exterior edge face and seal that described axial elasticity is located on seal flexibly connect.Axial elasticity ring and seal flexibly connect to refer to and be not to fix that promptly the axial elasticity ring can move up and down being connected between axial elasticity ring and the seal in limited scopes.And the axial elasticity ring embeds in the seal.
Described axial elasticity ring is positioned at the exterior edge face of seal, refers to the axial elasticity ring and is positioned at the non-tight face.
Described axial elasticity ring comprises thrust ring and axial elasticity spare, and axial elasticity spare is located between seal and the thrust ring.
Described thrust ring is fixed on the seal by mounting screw, and the hole that mounting screw passes on the seal is connected with thrust ring with axial elasticity spare.
Described axial elasticity spare comprises spring.
Described axial elasticity ring comprises more than one or one.The quantity of axial elasticity ring is adjusted according to concrete operating conditions.
Sealing also comprises the magnetic post, and described magnetic post is located at the interior seal face of seal, and embeds in the seal.The interior seal face of seal refers to the seal face of seal when vertically installing herein.
Described magnetic post comprises two or more.
Described sealing is made of the whole annulus or two semi-rings or a plurality of segmental arc of enclosing.
Described seal is connected by direct soldering with cellular band.Sealing strip is located in the interior circle of seal.
The technological scheme that is provided by above-mentioned the utility model as can be seen, a kind of float type metal beehive sealing of the present utility model is owing to be provided with elastic component on seal, elastic force by elastic component overcomes the gravity that sealing configuration produces, thereby reduced owing to the gravity reason makes the friction between the cellular band and rotor in the sealing configuration, and then prolonged the working life of sealing configuration.Sealing also has advantages such as the shafting vibration of good sealing effect, fluid machinery is little.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a kind of arrangement works view of the present utility model;
Fig. 3 is an another kind of arrangement works view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.A kind of float type metal beehive sealing described in the utility model:
Embodiment one: as depicted in figs. 1 and 2.
This float type metal beehive sealing comprises seal 1 and cellular band 2, and seal 1 and cellular band 2 combine.Cellular band 2 direct solderings are at the interior nose circle face of seal 1.The sealing of this float type metal beehive comprises that also pressure spring 3, pressure spring 3 be located in the radial hole of outer rounded ends of seal 1.When mounted, pressure spring 3 is located at the bottom of this float type metal beehive sealing and is contacted with the inner chamber of casing 10, and the resilient support by pressure spring 3 plays whole float type metal beehive sealing.
This float type metal beehive sealing also comprises the axial elasticity ring.Exterior edge face and seal 1 that described axial elasticity is located on seal 1 flexibly connect.The axial elasticity ring comprises thrust ring 4 and axial elasticity spare.Axial elasticity spare is a spring 5.Thrust ring 4 is located at the exterior edge face of seal 1, and flexibly connects with seal 1, and promptly thrust ring 4 can move in certain space range up and down.Thrust ring 4 embeds in the seal 1, and promptly the exterior edge face in seal 1 has a groove, and thrust ring 4 is positioned at this groove.Be provided with spring 5 in thrust ring 4 and groove that seal 1 is connected, mounting screw 6 passes spring 5 elastic ring 4 is fixed on the seal 1.
Elastic force by spring 5 closely cooperates the side (exterior edge face) at thrust ring 4 places of seal 1 and the another side and the casing 10 of seal 1, and the side at thrust ring 4 places is the non-tight face, and promptly the another side of seal 1 is a sealing surface; This structural design is to stop medium to be revealed along the sealing surface and the gap between the casing 10 of seal 1.
The quantity of described axial elasticity ring comprises more than one or one.The quantity of axial elasticity ring is adjusted according to concrete operating conditions.Adjust according to the degree of seal request strictness and different and other conditions of flowing medium.
Embodiment two: as shown in figures 1 and 3.
Another kind of float type metal beehive sealing comprises seal 1 and cellular band 2, seal 1 and cellular band 2 combine. and cellular band 2 direct solderings are at the interior nose circle face of seal 1. and this float type metal beehive sealing also comprises pressure spring 3, pressure spring 3 is located in the radial hole of outer rounded ends of seal 1. when mounted, pressure spring 3 is located at the bottom of this float type metal beehive sealing and is contacted with the inner chamber of casing 10, and the resilient support by pressure spring 3 plays whole float type metal beehive sealing.
This float type metal beehive sealing also comprises magnetic post 7, and magnetic post 7 is two or more.Magnetic post 7 is located at the interior seal face of seal 1, and embeds in the hole of seal 1.Seal face when the interior seal face of seal 1 refers to seal 1 vertical the installation.
Magnetic force by magnetic post 7 between the interior seal face of edge magnetic post 7 and the casing 10 being combined together tightly, the interior seal face of inlaying magnetic post 7 is sealing surface; This structural design is to stop medium to be revealed along the gap between seal 1 edge magnetic post 7 end faces and the casing 10.
In embodiment one and embodiment two, adopt the Seal Design of integrally-built Seal Design and two semi-loops respectively.In addition, also can be designed to the sealing configuration of a plurality of segmental arcs.In two embodiments, adopt the sealing configuration of two semi-loops up and down.Simultaneously, casing 10 also is the setting of up-down structure.The concrete structure of casing 10 does not influence the effect and function of this sealing.
A kind of float type metal beehive sealing of the present utility model is owing to be provided with radial elastic spare on seal, elastic force by radial elastic spare overcomes the gravity that sealing configuration produces, thereby reduced owing to the gravity reason makes the friction between the cellular band and rotor in the sealing configuration, and then prolonged the working life of sealing configuration.Sealing also by axial elasticity ring and magnetic post that the shafting vibration that has produced good sealing effect and fluid machinery is set is also very little.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1. a float type metal beehive sealing comprises seal and cellular band, and seal and cellular band combination is characterized in that sealing also comprises the radial elastic spare of being located on the seal, and described radial elastic spare is located on the periphery of seal.
2. sealing according to claim 1 is characterized in that described radial elastic spare comprises two or more, and radial elastic spare comprises pressure spring, is located in the radially mounting hole on the periphery of seal.
3. sealing according to claim 1 is characterized in that sealing also comprises the axial elasticity ring, and exterior edge face and seal that described axial elasticity is located on seal flexibly connect.
4. sealing according to claim 3 is characterized in that, described axial elasticity ring comprises thrust ring and axial elasticity spare, and axial elasticity spare is located between seal and the thrust ring.
5. sealing according to claim 4 is characterized in that described thrust ring is fixed on the seal by mounting screw, and the hole that mounting screw passes on the seal is connected with thrust ring with axial elasticity spare.
6. sealing according to claim 1 is characterized in that sealing also comprises the magnetic post, and described magnetic post is located at the interior seal face of seal, and embeds in the seal.
7. sealing according to claim 6 is characterized in that, described magnetic post comprises two or more.
8. according to claim 1,5 or 7 described sealings, it is characterized in that described sealing is made of the whole annulus or two semi-rings or a plurality of segmental arc of enclosing.
9. according to claim 1,5 or 7 described sealings, it is characterized in that described seal is connected by direct soldering with cellular band, sealing strip is located in the interior circle of seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092715U CN201461958U (en) | 2009-06-15 | 2009-06-15 | Floating metal cellular seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092715U CN201461958U (en) | 2009-06-15 | 2009-06-15 | Floating metal cellular seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461958U true CN201461958U (en) | 2010-05-12 |
Family
ID=42389311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201092715U Expired - Fee Related CN201461958U (en) | 2009-06-15 | 2009-06-15 | Floating metal cellular seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207198A (en) * | 2011-04-11 | 2011-10-05 | 东南大学 | Radial annular mixed seal |
| CN109681461A (en) * | 2018-12-21 | 2019-04-26 | 成都成发科能动力工程有限公司 | A kind of compressor sealing structure of shaft end |
-
2009
- 2009-06-15 CN CN2009201092715U patent/CN201461958U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207198A (en) * | 2011-04-11 | 2011-10-05 | 东南大学 | Radial annular mixed seal |
| CN109681461A (en) * | 2018-12-21 | 2019-04-26 | 成都成发科能动力工程有限公司 | A kind of compressor sealing structure of shaft end |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20140615 |
|
| EXPY | Termination of patent right or utility model |