CN202768857U - Rear shaft sealing device with integral movable ring - Google Patents
Rear shaft sealing device with integral movable ring Download PDFInfo
- Publication number
- CN202768857U CN202768857U CN 201220478155 CN201220478155U CN202768857U CN 202768857 U CN202768857 U CN 202768857U CN 201220478155 CN201220478155 CN 201220478155 CN 201220478155 U CN201220478155 U CN 201220478155U CN 202768857 U CN202768857 U CN 202768857U
- Authority
- CN
- China
- Prior art keywords
- ring
- shell
- rotating ring
- stationary
- stationary 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000012856 packing Methods 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 229910000856 hastalloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a rear shaft sealing device with an integral movable ring. The rear shaft sealing device comprises a movable ring shell, a movable ring arranged in the movable ring shell, a stationary ring shell, and a stationary ring arranged inside the stationary ring shell, wherein the movable ring is in frictional fit with the stationary ring. A spring and a propelling nail are arranged between the movable ring shell and the movable ring. The propelling nail and the moveable ring are fixedly held t. A plurality of O-shaped rings are arranged between the stationary ring and the stationary ring shell. A packing ring is arranged between the movable ring and the movable ring shell, and packing is arranged between the packing ring and the movable ring shell. The packing ring and the movable ring shell are fixedly held through an anti-looseness screw. The movable ring shell is provided with an air escape channel. An air escape screw is arranged inside the air escape channel. A frictional ring piece is arranged inside the movable ring. The stationary ring is provided with a joint surface jointed with the movable ring. The frictional ring piece is provided with a sealing dam and an inclined surface, wherein the sealing dam is in frictional fit with the joint surface of the stationary ring, and the included angle between the sealing dam and the inclined surface ranges from 2 degrees to 5 degrees. Therefore, the sealing performance between the movable ring and the stationary ring is improved.
Description
Technical field
The utility model relates to a kind of gland seal device, relates in particular to a kind of rear shaft seal device with integrated type rotating ring.
Background technique
Boats and ships are fastened used stern shaft seal gland at home at present, the most commonly used is a kind of, it is sealing plant for oil-lubricating tail-shaft, sealing plant for oil-lubricating tail-shaft, with compact structure, power loss is little, lubricating oil is revealed the advantages such as few, be subject to vast welcome with ship unit, sealing plant for oil-lubricating tail-shaft of the prior art generally comprises: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, be cast with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, described friction ring plate is provided with the sealing dam with the mating face frictional fit of stationary ring, and the inclined-plane that arranges at an angle with the sealing dam is set, its defective is: along with the growth of service life, wearing and tearing between sealing dam and the mating face are more and more serious, and the sealing dam does not have new friction area to replenish into always yet, therefore causes the sealability between rotating ring and the stationary ring to reduce.
Therefore, be necessary to provide a kind of rear shaft seal device with integrated type rotating ring that solves the problems of the technologies described above.
The model utility content
A technical problem to be solved in the utility model is: the rear shaft seal device that provides a kind of sealability to have preferably the integrated type rotating ring.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of rear shaft seal device with integrated type rotating ring, comprise: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, described rotating ring shell, rotating ring, stationary ring shell and stationary ring are respectively monolithic construction, described rotating ring and stationary ring frictional fit, be provided with spring between described rotating ring shell and the rotating ring and advance nail, between described propelling nail and the rotating ring by the rigging screw fixing, be provided with several O type circles between described stationary ring and the stationary ring shell, be provided with packing ring between described rotating ring and the rotating ring shell, be provided with filler between described packing ring and the rotating ring shell, pass through the backing-up screw fixing between described packing ring and the rotating ring shell, described rotating ring shell is provided with bleed passage, be provided with bleed screw in the described bleed passage, be provided with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, and described friction ring plate is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam and is the inclined-plane of 2 °～5 ° of settings.
Preferably, described rear shaft seal device also is provided with anti-fishing net device, passes through lock washer screw fixing between described anti-fishing net device and the stationary ring shell.
Preferably, described friction ring plate is made by Hastelloy.
The beneficial effects of the utility model: the utility model is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam by described friction ring plate and is the inclined-plane of 2 °～5 ° of settings, thereby make stationary ring and rub ring plate in the process of friction, the area on sealing dam constantly increases, thereby has improved the sealability between rotating ring and the stationary ring.
Description of drawings
Fig. 1 is the structural representation with rear shaft seal device of integrated type rotating ring.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Among Fig. 1 and Fig. 2: 1, rotating ring shell, 2, rotating ring, 3, the stationary ring shell, 4, stationary ring, 5, spring, 6, advance nail, 7, rigging screw, 8, O type circle, 9, packing ring, 10, filler, 11, backing-up screw, 12, bleed passage, 13, the mating face, 14, sealing dam, 15, the friction ring plate, 16, anti-fishing net device, 17, lock washer screw, 18, bleed screw, 19, the inclined-plane.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
See also Fig. 1 and Fig. 2, a kind of rear shaft seal device with integrated type rotating ring, comprise: rotating ring shell 1, be installed on rotating ring 2, the stationary ring shell 3 in the rotating ring shell 1 and be installed on stationary ring 4 in the stationary ring shell 3, described rotating ring shell 1, rotating ring 2, stationary ring shell 3 and stationary ring 4 are respectively monolithic construction.Described rotating ring 2 and stationary ring 4 frictional fit, be provided with spring 5 between described rotating ring shell 1 and the rotating ring 2 and advance nail 6, between described propelling nail 6 and the rotating ring 2 by rigging screw 7 fixings, be provided with several O type circles 8 between described stationary ring 4 and the stationary ring shell 3, be provided with packing ring 9 between described rotating ring 2 and the rotating ring shell 1, be provided with filler 10 between described packing ring 9 and the rotating ring shell 1, pass through backing-up screw 11 fixings between described packing ring 9 and the rotating ring shell 1, described rotating ring shell 1 is provided with bleed passage 12, be provided with bleed screw 18 in the described bleed passage 12, open can the drain gas of sealing the inside of bleed screw, thereby oil is full of sealed inside, be provided with friction ring plate 15 in the described rotating ring 2, described stationary ring 4 is provided with the mating face 13 that engages with rotating ring 2, and described friction ring plate 15 is provided with the sealing dam 14 of mating face 13 frictional fit of stationary ring 4 and with sealing dam 14 and is the inclined-plane 19 of 2 °～5 ° of settings.Described rear shaft seal device also is provided with anti-fishing net device 16, passes through lock washer screw 17 fixings between described anti-fishing net device 16 and the stationary ring shell 3.Described friction ring plate 15 is made by Hastelloy, thereby has improved the wear resistance of friction ring plate.
The utility model is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam by described friction ring plate and is the inclined-plane of 2 °～5 ° of settings, thereby make stationary ring and rub ring plate in the process of friction, the area on sealing dam constantly increases, thereby has improved the sealability between rotating ring and the stationary ring.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. rear shaft seal device with integrated type rotating ring, comprise: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, it is characterized in that: described rotating ring shell, rotating ring, stationary ring shell and stationary ring are respectively monolithic construction, described rotating ring and stationary ring frictional fit, be provided with spring between described rotating ring shell and the rotating ring and advance nail, between described propelling nail and the rotating ring by the rigging screw fixing, be provided with several O type circles between described stationary ring and the stationary ring shell, be provided with packing ring between described rotating ring and the rotating ring shell, be provided with filler between described packing ring and the rotating ring shell, pass through the backing-up screw fixing between described packing ring and the rotating ring shell, described rotating ring shell is provided with bleed passage, be provided with bleed screw in the described bleed passage, be provided with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, and described friction ring plate is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam and is the inclined-plane of 2 °～5 ° of settings.
2. a kind of rear shaft seal device with integrated type rotating ring as claimed in claim 1, it is characterized in that: described rear shaft seal device also is provided with anti-fishing net device, between described anti-fishing net device and the stationary ring shell by lock washer screw fixing.
3. a kind of rear shaft seal device with integrated type rotating ring as claimed in claim 2, it is characterized in that: described friction ring plate is made by Hastelloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478155 CN202768857U (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device with integral movable ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478155 CN202768857U (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device with integral movable ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768857U true CN202768857U (en) | 2013-03-06 |
Family
ID=47775432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478155 Expired - Fee Related CN202768857U (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device with integral movable ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829188A (en) * | 2012-09-19 | 2012-12-19 | 江苏华青流体科技有限公司 | Rear shaft seal device with integral moving ring |
| CN105805318A (en) * | 2016-04-22 | 2016-07-27 | 渠帅 | Sealing assembly of mining double-chain scraper conveyer |
-
2012
- 2012-09-19 CN CN 201220478155 patent/CN202768857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829188A (en) * | 2012-09-19 | 2012-12-19 | 江苏华青流体科技有限公司 | Rear shaft seal device with integral moving ring |
| CN105805318A (en) * | 2016-04-22 | 2016-07-27 | 渠帅 | Sealing assembly of mining double-chain scraper conveyer |
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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: 20130306 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |