CN204253869U - A kind of marine rear shaft apex combustion seal - Google Patents
A kind of marine rear shaft apex combustion seal Download PDFInfo
- Publication number
- CN204253869U CN204253869U CN201420592619.1U CN201420592619U CN204253869U CN 204253869 U CN204253869 U CN 204253869U CN 201420592619 U CN201420592619 U CN 201420592619U CN 204253869 U CN204253869 U CN 204253869U
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- CN
- China
- Prior art keywords
- ring
- seal
- sealing
- seal ring
- filler
- 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 discloses a kind of marine rear shaft apex combustion seal, comprise the lining body with there being sealed step, and the black box be arranged in sealed step, and be nested with the seal casing outside black box, and pressure ring before the sealing being arranged on front side of seal casing, and be arranged on the gear fishnet gland on rear side of seal casing; Described black box comprises three seal rings and a sand prevention seal ring that arrange from front to back, and for hold each seal ring sealing before filler ring, sealing in filler ring and sealing after filler ring, and baffle ring after sealing before the sealing arranging on front side of seal ring foremost on rear side of back-up ring and sand prevention seal ring, above-mentioned each sealing filler ring lays respectively between each seal ring; The advantages such as the sealing station terrace of described lining body is also provided with protection gasket ring, and it has simple and reasonable for structure, long service life, and installation and maintenance is convenient.
Description
Technical field
The utility model relates to a kind of marine rear shaft apex combustion seal, belongs to technical field of ships.
Background technique
In shipping industry, especially in the manufacture process on naval vessel, penetrate in cabin for preventing seawater along tail pipe, just must carry out tight sealing to the tailing axle be connected with tail tube bearing seat, to ensure the Safety performance on naval vessel, and its structure of the seal arrangement of current use on naval vessel is all too complicated, install cumbersome, the maintenance work in later stage is also inconvenient, and the Sealing in seal arrangement extremely easily weares and teares, working life is short, therefore is badly in need of a kind of end shaft sealed set that can solve the problem.
Model utility content
For solving the problem, the utility model proposes a kind of simple and reasonable for structure, long service life, installation and maintenance is marine rear shaft apex combustion seal easily.
The technological scheme that the utility model adopts is: a kind of marine rear shaft apex combustion seal, comprise the lining body with there being sealed step, and the black box be arranged in sealed step, and be nested with the seal casing outside black box, and pressure ring before the sealing being arranged on front side of seal casing, and be arranged on the gear fishnet gland on rear side of seal casing; Described black box comprises three seal rings and a sand prevention seal ring that arrange from front to back, and for hold each seal ring sealing before filler ring, sealing in filler ring and sealing after filler ring, and baffle ring after sealing before the sealing arranging on front side of seal ring foremost on rear side of back-up ring and sand prevention seal ring, above-mentioned each sealing filler ring lays respectively between each seal ring; The sealing station terrace of described lining body is also provided with protection gasket ring.
Further, described seal ring and sand prevention seal ring are all in J type, and two, front side seal ring is in oppositely arranging, and the seal ring of rear side and sand prevention seal ring are that forward is arranged, and each seal ring also has spring.
Further, the rearward position of described lining body endoporus is provided with interior O type circle.
Further, filler ring and seal between front back-up ring and be respectively equipped with outer O type circle after described seal casing and sealing.
Further, before described sealing, pressure ring is all fixedly connected with seal casing by hex head bolt with gear fishnet gland.
Compared with prior art, it has following beneficial effect to the utility model:
Marine rear shaft apex combustion seal of the present utility model have employed a chamber polycycle design, reasonably simplifies sealing configuration, is more convenient to install and later maintenance, and has good sealability; Protection gasket ring set on sealing station terrace can prevent the wearing and tearing of Sealing, and meanwhile, sealing device also has anti-fishing net and silt function, effectively extends the working life of seal arrangement.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the sectional view of the utility model seal ring.
1-lining body; 2-sealed step; 3-seal casing; Pressure ring before 4-sealing; 5-keeps off fishnet gland; 6-seal ring; 7-sand prevention seal ring; Filler ring before 8-sealing; Filler ring in 9-sealing; Filler ring after 10-sealing; Back-up ring before 11-sealing; Baffle ring after 12-sealing; 13-protects gasket ring; 14-spring; O type circle in 15-; 16-O type circle.
Embodiment
A kind of marine rear shaft apex combustion seal as depicted in figs. 1 and 2, comprise the lining body 1 with there being sealed step 2, and the black box be arranged in sealed step 2, and be nested with the seal casing 3 outside black box, and pressure ring 4 before the sealing being arranged on front side of seal casing 3, and be arranged on the gear fishnet gland 5 on rear side of seal casing 3; Described black box comprises three seal rings 6 and a sand prevention seal ring 7 that arrange from front to back, and for hold each seal ring sealing before filler ring 8, sealing in filler ring 9 and sealing after filler ring 10, and baffle ring 12 after sealing before the sealing arranging on front side of seal ring 6 foremost on rear side of back-up ring 11 and sand prevention seal ring 7, above-mentioned each sealing filler ring lays respectively between each seal ring; The sealing station terrace 2 of described lining body 1 is also provided with protection gasket ring 13.
Wherein, described seal ring 6 and sand prevention seal ring 7 are all in J type, and two, front side seal ring 6 is in oppositely arranging, and seal ring 6 and the sand prevention seal ring 7 of rear side are arranged in forward, and each seal ring 6 also has spring 14; The rearward position of described lining body 1 endoporus is provided with interior O type circle 15; Filler ring 10 and seal between front back-up ring 11 and be respectively equipped with outer O type circle 16 after described seal casing 3 and sealing; Before described sealing, pressure ring 4 is all fixedly connected with seal casing 3 by hex head bolt with gear fishnet gland 5.
Marine rear shaft apex combustion seal of the present utility model have employed a chamber polycycle design, reasonably simplifies sealing configuration, is more convenient to install and later maintenance, and has good sealability; Protection gasket ring set on sealing station terrace can prevent the wearing and tearing of Sealing, and meanwhile, sealing device also has anti-fishing net and silt function, effectively extends the working life of seal arrangement.
Embodiment recited above is described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that related domain ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (5)
1. a marine rear shaft apex combustion seal, it is characterized in that: comprise the lining body (1) with there being sealed step (2), and the black box be arranged in sealed step (2), and be nested with the seal casing (3) outside black box, and be arranged on seal casing (3) front side sealing before pressure ring (4), and be arranged on seal casing (3) rear side gear fishnet gland (5); Described black box comprises three seal rings (6) and a sand prevention seal ring (7) that arrange from front to back, and for hold each seal ring sealing before filler ring (8), filler ring (9) and sealing afterwards filler ring (10) in sealing, and baffle ring (12) after sealing before the sealing that the front side of seal ring (6) is foremost set on rear side of back-up ring (11) and sand prevention seal ring (7), above-mentioned each sealing filler ring lays respectively between each seal ring; The sealed step (2) of described lining body (1) is also provided with protection gasket ring (13).
2. marine rear shaft apex combustion seal according to claim 1, it is characterized in that: described seal ring (6) and sand prevention seal ring (7) are all in J type, two, front side seal ring (6) is in oppositely arranging, seal ring (6) and the sand prevention seal ring (7) of rear side are arranged in forward, each seal ring (6) also have spring (14).
3. marine rear shaft apex combustion seal according to claim 1, is characterized in that: the rearward position of described lining body (1) endoporus is provided with interior O type circle (15).
4. marine rear shaft apex combustion seal according to claim 1, is characterized in that: filler ring (10) and seal between front back-up ring (11) and be respectively equipped with outer O type circle (16) after described seal casing (3) and sealing.
5. marine rear shaft apex combustion seal according to claim 1, is characterized in that: before described sealing, pressure ring (4) is all fixedly connected with seal casing (3) by hex head bolt with gear fishnet gland (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592619.1U CN204253869U (en) | 2014-10-15 | 2014-10-15 | A kind of marine rear shaft apex combustion seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592619.1U CN204253869U (en) | 2014-10-15 | 2014-10-15 | A kind of marine rear shaft apex combustion seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253869U true CN204253869U (en) | 2015-04-08 |
Family
ID=52958178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420592619.1U Expired - Fee Related CN204253869U (en) | 2014-10-15 | 2014-10-15 | A kind of marine rear shaft apex combustion seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268082A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Ship propulsion device |
-
2014
- 2014-10-15 CN CN201420592619.1U patent/CN204253869U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268082A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Ship propulsion device |
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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: 20150408 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |