CN204004409U - A kind of end face seal structure - Google Patents
A kind of end face seal structure Download PDFInfo
- Publication number
- CN204004409U CN204004409U CN201420415632.XU CN201420415632U CN204004409U CN 204004409 U CN204004409 U CN 204004409U CN 201420415632 U CN201420415632 U CN 201420415632U CN 204004409 U CN204004409 U CN 204004409U
- Authority
- CN
- China
- Prior art keywords
- running shaft
- stationary rings
- face seal
- stationary
- static part
- 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 Devices (AREA)
Abstract
The utility model relates to a kind of end face seal structure, comprise running shaft, two stationary rings, two springs, two static part, the middle part of described running shaft is disc, two stationary rings are arranged on respectively on two static part, and be placed in respectively the both sides of running shaft, the two ends of two springs are pressed in respectively between two static part and two stationary rings, the leading edge projection of columnar two stationary rings, and contact with the disk at the middle part of running shaft respectively.When rotating, the utility model grinds stationary ring end face seal, good sealing effect by running shaft; The relative nonmetallic material of wear resistance improve greatly, and the replacement cycle in working life rises appreciably, and can greatly extend rotating machinery and overhaul the time, and strong operability easy to assembly simple in structure, reliability is high.
Description
Technical field
The present invention relates to a kind of sealing configuration, especially a kind of end face seal structure.
Background technique
The sealing of rotating machinery at present often adopts cushion rubber and graphite annulus etc., and constituent material mostly is nonmetallic material.Principle is that the compressive strain according to nonmetallic material realizes sealing, nonmetallic material wear resistance itself is just very poor, add easy compressive strain, its antiwear property will reduce greatly, working life and replacement cycle are very short, and sealing effect is poor, be unfavorable for the reduction of cost and the raising of reliability.
Summary of the invention
The object of this invention is to provide a kind of end face seal structure, there is the feature of long service life, good sealing effect.
Technological scheme of the present invention is: end face seal structure comprises running shaft, two stationary rings, two springs, two static part, the middle part of described running shaft is disc, two stationary rings are cylindrical shape, be arranged on respectively on two static part, and be placed in respectively the both sides of running shaft, the two ends of two springs are pressed in respectively between two static part and two stationary rings, the leading edge projection of columnar two stationary rings, and contact with the disk at the middle part of running shaft respectively, the middle part of described running shaft is that the material of disk is wear resistant alloy material, the material of two stationary rings is softer metals.The position contacting with static part on two described stationary rings is provided with seal ring.Described wear resistant alloy material is 40CrNiMoA, and softer metals is HPb59.
The present invention's running shaft rotation in use, two stationary rings are separately fixed on static parts, the part of two stationary ring leading edge projections is axially contacting sealing with rotating ring left and right, and two stationary rings rely on respectively spring jack-up, and its leading edge protruding part remains contact with rotating ring.During rotation, by running shaft, grind stationary ring end face seal, good sealing effect; Because rotating ring and stationary ring all adopt metallic material, the relative nonmetallic material of wear resistance improve greatly in addition, and the replacement cycle in working life rises appreciably, and can greatly extend rotating machinery and overhaul the time, and strong operability easy to assembly simple in structure, reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in the figure, a kind of end face seal structure, comprise running shaft 1, two stationary rings 2, 3, two springs 4, 5, two static part 6, 7, the middle part of described running shaft 1 is disc, two stationary rings 2, 3 is cylindrical shape, be arranged on respectively two static part 6, on 7, and be placed in respectively the both sides of running shaft 1, two springs 4, 5 two ends are pressed in respectively two static part 6, 7 and two stationary rings 2, between 3, columnar two stationary rings 2, 3 leading edge projection, and contact with the disk at the middle part of running shaft 1 respectively, the material that the middle part of described running shaft 1 is disk is wear resistant alloy material, two stationary rings 2, 3 material is softer metals.The position contacting with static part 6,7 on described two stationary rings 2,3 is provided with seal ring.Described wear resistant alloy material is 40CrNiMoA, and softer metals is HPb59.
Claims (3)
1. an end face seal structure, it is characterized in that, described structure comprises running shaft (1), two stationary rings (2, 3), two springs (4, 5), two static part (6, 7), the middle part of described running shaft (1) is disc, two stationary rings (2, 3) be cylindrical shape, be arranged on respectively two static part (6, 7) on, and be placed in respectively the both sides of running shaft (1), two springs (4, 5) two ends are pressed in respectively two static part (6, 7) and two stationary rings (2, 3) between, columnar two stationary rings (2, 3) leading edge projection, and contact with the disk at the middle part of running shaft (1) respectively, the material that the middle part of described running shaft (1) is disk is wear resistant alloy material, two stationary rings (2, 3) material is softer metals.
2. a kind of end face seal structure as claimed in claim 1, is characterized in that, the upper position contacting with static part (6,7) of described two stationary rings (2,3) is provided with seal ring.
3. a kind of end face seal structure as claimed in claim 1, is characterized in that, described wear resistant alloy material is 40CrNiMoA, and softer metals is HPb59.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415632.XU CN204004409U (en) | 2014-07-25 | 2014-07-25 | A kind of end face seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415632.XU CN204004409U (en) | 2014-07-25 | 2014-07-25 | A kind of end face seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004409U true CN204004409U (en) | 2014-12-10 |
Family
ID=52044412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415632.XU Expired - Fee Related CN204004409U (en) | 2014-07-25 | 2014-07-25 | A kind of end face seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004409U (en) |
-
2014
- 2014-07-25 CN CN201420415632.XU patent/CN204004409U/en not_active Expired - Fee Related
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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: 20141210 Termination date: 20190725 |