CN201265655Y - Sealing device - Google Patents
Sealing device Download PDFInfo
- Publication number
- CN201265655Y CN201265655Y CNU2008201101207U CN200820110120U CN201265655Y CN 201265655 Y CN201265655 Y CN 201265655Y CN U2008201101207 U CNU2008201101207 U CN U2008201101207U CN 200820110120 U CN200820110120 U CN 200820110120U CN 201265655 Y CN201265655 Y CN 201265655Y
- Authority
- CN
- China
- Prior art keywords
- ring
- packing sheet
- seal
- interior
- bearing
- 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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Abstract
The utility model relates to a sealing device which belongs to the technical field of sealing. The sealing device is characterized by comprising at least one outer annular sealing piece and at least one inner annular sealing piece which are sequentially overlapped, the outer annular sealing piece and the inner annular sealing piece are alternated into a certain distance and ensure the overlapped annular surface to form labyrinth seal, a bearing is separated from the outside to ensure the efficiency of the labyrinth seal, and dust can not enter the bearing. Because the inside diameter and the outside diameter of the inner annular sealing surface and the outer annular sealing surface have a certain difference value, the annular surface is ensured to have a certain height in the vertical direction, a certain quantity of sealing media is ensured to be contained in the cavity to ensure the sufficient lubrication of the bearing, and the service life of the bearing is extended. The sealing piece is also suitable for the high-temperature and high powder environment to use.
Description
Technical field
The utility model relates to a kind of seal arrangement.
Background technique
In industry, belong to two separate objects between turning axle and gyrostat or the fixed block, connect by bearing between the two, and the felt seal ring is normally adopted in both sealings, and the felt seal ring is not wear-resisting, and is nonelastic, sealing effect is poor, cause bearing life very short, and owing to the reason of the material of felt own makes it not be suitable for high temperature, high dust atmosphere, need often to change, make the accessory loss serious.
The model utility content
At the defective in the above-mentioned field, the utility model provides a kind of seal arrangement, can work under high temperature, high dust atmosphere, and sealing effect is very good.
A kind of seal arrangement is characterized in that: comprise at least a slice outer ring diaphragm seal and ring packing sheet in a slice at least, and superimposed successively, between the described outer ring diaphragm seal, keep at a certain distance away between the interior ring packing sheet and to maintain ring surface overlapping.
Described outer ring diaphragm seal and interior ring packing sheet are concentric.
Also comprise an outer sleeve, the peripheral end face of described outer ring diaphragm seal is vertically fixed on week in the outer sleeve.
Between the described outer ring diaphragm seal outer support ring is arranged.
Also comprise an inner sleeve, interior all end faces of described interior ring packing sheet are vertically fixed on the periphery of inner sleeve.
Between the ring packing sheet inside support ring is arranged in described.
The surface of described outer ring diaphragm seal and interior ring packing sheet is curved surface, plane or male and fomale(M﹠F).
The radial cross section of described outer sleeve, inner sleeve is a flute profile, and described slit opening is towards the ring surface overlapping ends.
The utility model seal arrangement comprises a slice outer ring diaphragm seal and the interior ring packing sheet of a slice at least at least, keep being superimposed together successively of certain distance between them, and it is overlapping to maintain ring surface, in actual applications, the outer ring diaphragm seal can be fixed on gyrostat or the fixed block (such as bearing support), interior ring packing sheet is fixed on the turning axle, outer like this, interior ring packing sheet surrounds an inner chamber that includes bearing (also can be other part), outward, the juxtaposition of interior ring packing sheet forms labyrinth seal, make it to separate, play seal action with the external world.When turning axle and gyrostat or fixed block proper functioning, the outer ring diaphragm seal rotates with gyrostat or maintains static with fixed block, and interior ring packing sheet rotates with turning axle, and labyrinth seal is tight, and extraneous dust is difficult for entering.Because the interior external diameter of inside and outside annular diaphragm seal has certain difference, guarantee that the ring surface in the vertical direction has certain height, can guarantee that inner chamber contains a certain amount of sealing medium (oil) all the time, guarantee that bearing is enough lubricated, effectively raise the life-span of bearing.
A kind of preferred situation be outer, interior ring packing sheet is concentric, makes that the gap of lap is identical, ring surface is parallel, the not mutual friction mutually when work of outer, interior ring packing sheet.
For convenience outward, interior ring packing sheet is fixing, can be fixed on the interior week of an outer sleeve at peripheral end face with the outer ring diaphragm seal, outer sleeve is fixedlyed connected with gyrostat or fixed block, interior all end faces of interior ring packing sheet are fixed on the periphery of an inner sleeve, inner sleeve is fixed on the turning axle, makes it in conjunction with more firm.
For making between the outer ring diaphragm seal, maintaining a certain distance between the interior ring packing sheet, support ring, inside support ring outside can in outer sleeve, inner sleeve, designing, axially support is outer, interior ring packing sheet, make it to have suitable gap, guarantee to form chamber, needed labyrinth, labyrinth, fill sealing medium in the chamber, labyrinth, guarantee good seal.
The ring surface of outer ring diaphragm seal, interior ring packing sheet can make curved surface or plane, can also be male and fomale(M﹠F), preferred male and fomale(M﹠F), the tortuous labyrinth sealing better effects if of Xing Chenging like this.
The radial cross section of outer sleeve, inner sleeve is a flute profile, and described slit opening is towards the ring surface overlapping ends, can be limited to all outer ring diaphragm seals, interior ring packing sheet in opposite directions two grooves like this.
The utility model is selected one or more outer ring diaphragm seals and interior ring packing sheet for use, juxtaposition between the diaphragm seal, form labyrinth seal, the bearing and the external world are separated, can guarantee that labyrinth seal is effective, dust must not enter bearing, because interior external diameter outer, interior ring packing sheet has certain difference, guarantee that the ring segment in the vertical direction has certain height, can guarantee to contain all the time in the chamber a certain amount of sealing medium, guarantee that bearing is enough lubricated, prolonged the working life of bearing.The utility model Sealing also is suitable for using in high temperature, the high powder environment.
Description of drawings
The sectional drawing of Fig. 1 the utility model seal arrangement
Each label lists as follows among the figure:
1-outer ring diaphragm seal, 2-interior ring packing sheet, 3-inner sleeve, 4-inside support ring, 5-outer support ring, 6-outer sleeve, 7-sealing medium.
Embodiment
The sectional drawing of Fig. 1 the utility model seal arrangement comprises at least a slice outer ring diaphragm seal 1 and ring packing sheet 2 in a slice at least, and it is superimposed successively to keep at a certain distance away between this outer ring diaphragm seal 1 and the interior ring packing sheet 2, and it is overlapping to maintain ring surface.Include two outer ring diaphragm seals 1 and 2 interior ring packing sheets 2 among the embodiment of the present utility model, between diaphragm seal, be filled with sealing medium 7.In actual applications, outer ring diaphragm seal 1 can be fixed on gyrostat or the fixed block (such as bearing support), interior annular sealing surface 2 is fixed on the turning axle, outer like this, interior ring packing sheet 1,2 surrounds an inner chamber that includes bearing (also can be other part), outward, the juxtaposition of interior ring packing sheet 1,2 forms labyrinth seal, make it to separate, play seal action with the external world.Because interior external diameter outer, interior ring packing sheet 1,2 has certain difference, guarantee that the ring surface in the vertical direction has certain height, can guarantee that inner chamber contains a certain amount of sealing medium 7 all the time, guarantee that bearing is enough lubricated, effectively raise the life-span of bearing.When turning axle and gyrostat or fixed block proper functioning, outer ring diaphragm seal 1 rotates with gyrostat or maintains static with fixed block, and interior ring packing sheet 2 rotates with turning axle, and labyrinth seal is tight, and extraneous dust is difficult for entering, and can guarantee that labyrinth seal is effective.
Preferred outer, interior ring packing sheet 1,2 is concentric, makes that the gap of lap is identical, and ring surface is parallel, and outer, interior ring packing sheet 1,2 is contactless when work, not mutual friction mutually.
For convenience outward, interior ring packing sheet 1,2 is fixing, present embodiment is fixed on the peripheral end face of outer ring diaphragm seal 1 the interior week of an outer sleeve 6, outer sleeve 6 is fixedlyed connected with gyrostat or fixed block, interior all end faces of interior ring packing sheet 2 are fixed on the periphery of an inner sleeve 3, inner sleeve 3 is fixed on the turning axle, makes it in conjunction with more firm.
For making between the outer ring diaphragm seal 1, maintaining a certain distance between the interior ring packing sheet 2, support ring 5, inside support ring 4 outside present embodiment designs in outer sleeve 6, inner sleeve 3, axially support is outer, interior ring packing sheet 1,2, make it to have suitable gap and guarantee to form chamber, needed labyrinth, labyrinth, fill sealing medium 7 in the chamber, labyrinth, guarantee good seal.
Outward, the ring surface of interior ring packing sheet 1,2 can make curved surface or plane, can also be male and fomale(M﹠F), preferred male and fomale(M﹠F), the tortuous labyrinth sealing better effects if of Xing Chenging like this.
The radial cross section of outer sleeve 6, inner sleeve 3 is a flute profile, and described slit opening is towards the ring surface overlapping ends, can be limited to all outer ring diaphragm seals 1, interior ring packing sheet 2 in opposite directions two grooves like this.
The utility model is selected one or more outer ring diaphragm seals 1 and interior ring packing sheet 2 for use, juxtaposition between the diaphragm seal, form labyrinth seal, the bearing and the external world are separated, guarantee that labyrinth seal is effective, dust must not enter bearing, because interior external diameter outer, interior ring packing sheet has certain difference, guarantee that the ring surface in the vertical direction has certain height, can guarantee to contain all the time in the chamber a certain amount of sealing medium 7, guarantee that bearing is enough lubricated, prolonged the working life of bearing.The utility model seal arrangement also is suitable for using in high temperature, the high powder environment.
Claims (8)
1, a kind of seal arrangement is characterized in that: comprise at least a slice outer ring diaphragm seal and ring packing sheet in a slice at least, and superimposed successively, between the described outer ring diaphragm seal, keep at a certain distance away between the interior ring packing sheet and to maintain ring surface overlapping.
2, seal arrangement according to claim 1 is characterized in that: described outer ring diaphragm seal and interior ring packing sheet are concentric.
3, seal arrangement according to claim 1 is characterized in that: also comprise an outer sleeve, the peripheral end face of described outer ring diaphragm seal is vertically fixed on week in the outer sleeve.
4, seal arrangement according to claim 3 is characterized in that: between the described outer ring diaphragm seal outer support ring is arranged.
5, seal arrangement according to claim 1 is characterized in that: also comprise an inner sleeve, interior all end faces of described interior ring packing sheet are vertically fixed on the periphery of inner sleeve.
6, seal arrangement according to claim 5 is characterized in that: between the ring packing sheet inside support ring is arranged in described.
7, seal arrangement according to claim 1 is characterized in that: the surface of described outer ring diaphragm seal and interior ring packing sheet is curved surface, plane or male and fomale(M﹠F).
8, according to claim 3 or 5 described seal arrangements, it is characterized in that: the radial cross section of described outer sleeve, inner sleeve is a flute profile, and slit opening is towards the ring surface overlapping ends, and described outer support ring or inside support ring are fixed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201101207U CN201265655Y (en) | 2008-09-08 | 2008-09-08 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201101207U CN201265655Y (en) | 2008-09-08 | 2008-09-08 | Sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265655Y true CN201265655Y (en) | 2009-07-01 |
Family
ID=40832022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201101207U Expired - Fee Related CN201265655Y (en) | 2008-09-08 | 2008-09-08 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265655Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420545A (en) * | 2017-05-31 | 2017-12-01 | 江苏海川卓越密封材料有限公司 | A kind of labyrinth seal |
-
2008
- 2008-09-08 CN CNU2008201101207U patent/CN201265655Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420545A (en) * | 2017-05-31 | 2017-12-01 | 江苏海川卓越密封材料有限公司 | A kind of labyrinth seal |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20160908 |