CN207830555U - A kind of stern tube shaft water sealing device - Google Patents
A kind of stern tube shaft water sealing device Download PDFInfo
- Publication number
- CN207830555U CN207830555U CN201820196961.8U CN201820196961U CN207830555U CN 207830555 U CN207830555 U CN 207830555U CN 201820196961 U CN201820196961 U CN 201820196961U CN 207830555 U CN207830555 U CN 207830555U
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- CN
- China
- Prior art keywords
- land
- level
- tube shaft
- stern tube
- sealing device
- 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 stern tube shaft water sealing device, including pedestal, level-one land, two level land and sealed pressing sleeve, sealing ring pad is provided in the annular groove, the level-one land inner wall is provided with seal chamber, sealing ring is provided in the seal chamber；The utility model reasonable design in structure, practicability is very high, when work, under the action of sealing ring pad, each component connection of anti-skid and waterproof is closer, fixing nut is by pedestal, level-one land, two level land and sealed pressing sleeve securely fix, present apparatus loosening is prevented to be worn, in blow valve, it is airbag aeration under the action of ajutage and air hose syringe needle, first of protection is formed under the action of air bag and profiled seal ring, second protection is formed under the action of sealing ring, when in emergency circumstances, electrically-controlled valve is opened, spring drives arc water proof ring to move down, three-layer protection effectively prevent flow to permeate, emergent sealing function greatly enhances simultaneously, screw hole facilitates the fixed present apparatus.
Description
Technical field
The utility model is related to a kind of waterproof seal, specifically a kind of stern tube shaft water sealing device.
Background technology
China's Shipping and construction industry development are rapid at present, this is just to the process industry of ship, especially argosy
The manufacture requirement of oceangoing ship is especially tight, and the water lubrication sealing device of ship is one of common sealing device of ship, is mainly used for hindering
Only junction of the seawater between stern tube shaft and shell enters in ship, the good operation for directly influencing ship of sealing performance
Safety.
Current ship water lubrication sealing device is mainly water lubrication seal receptacle on hull and around on the rotary shaft
The part such as end cover forms, these structures are because of the needs of protection effect, and often heavier, appearance and size also compares
Greatly, the time between overhauls(TBO) is also very long, and maintenance difficulty is also bigger, and traditional stern tube shaft water sealing device does not often have emergent management wader
It sets, when emergency case is difficult to handle.Therefore, those skilled in the art provide a kind of stern tube shaft water sealing device, above-mentioned to solve
The problem of being proposed in background technology.
Invention content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of stern tube shaft water sealing device
Problem.
To achieve the above object, the utility model provides the following technical solutions：
A kind of stern tube shaft water sealing device, including pedestal, level-one land, two level land and sealed pressing sleeve, the pedestal right end
Face connects level-one land by fixing nut, and the pedestal right end is both provided with several annulars with level-one land left end junction
Slot is provided with sealing ring pad in the annular groove, and the level-one land inner wall is provided with seal chamber, is provided in the seal chamber
Sealing ring, the level-one land right end connects two level land by fixing nut, if the two level land inner wall edge is provided with
Dry annular groove, special-shaped seal ring is provided in the annular groove, and the two level land right end passes through fixing nut and connects sealed pressing sleeve, institute
It states and is provided with straight slot in the middle part of sealed pressing sleeve outer end, ajutage is provided in the straight slot, the ajutage upper end connects blow valve,
The blow valve upper end connects blast connection, and the ajutage lower end is provided with air hose syringe needle, and air hose syringe needle lower end is run through
Two level land, air hose syringe needle lower end connect air bag, and sealed pressing sleeve right end edge is provided with several screw holes, the sealing
It is provided with counterbore in the middle part of pressing sleeve inner wall, spring is provided in the counterbore, the spring connects arc water proof ring, the counterbore side
End offers through-hole, and electrically-controlled valve is provided in the through-hole.
As further program of the utility model：The pedestal right end annular groove and level-one land left end annular groove location
Corresponding, size matches.
As the utility model further scheme：It is set as arc in the middle part of the two level land inner wall.
As the utility model further scheme：The material of the sealing ring pad is rubber.
As the utility model further scheme：The number of the sealing ring pad is at least three.
As the utility model further scheme：The number of the screw hole is at least four.
Compared with prior art, the utility model has the beneficial effects that：
The utility model reasonable design in structure, practicability is very high, anti-skidding under the action of sealing ring pad when work
Each component connection of waterproof is closer, and fixing nut securely fixes pedestal, level-one land, two level land and sealed pressing sleeve, prevents
Present apparatus loosening is worn, and is airbag aeration under the action of blow valve, ajutage and air hose syringe needle, close in air bag and abnormity
First of protection is formed under the action of seal ring, and second protection, when in emergency circumstances, electrically-controlled valve are formed under the action of sealing ring
It opens, spring drives arc water proof ring to move down, and three-layer protection effectively prevent flow to permeate, while emergent sealing function increases greatly
By force, screw hole facilitates the fixed present apparatus.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of stern tube shaft water sealing device.
Fig. 2 is a kind of structural schematic diagram of arc water proof ring in stern tube shaft water sealing device.
In figure：1- pedestals, 2- level-ones land, 3- two levels land, 4- sealed pressing sleeves, 5- sealing ring pads, 6- seal chambers, 7- are close
Seal, 8- annular grooves, 9- profiled seals ring, 10- blow valves, 11- air hoses syringe needle, 12- blast connections, 13- screw holes, 14- counterbores,
15- springs, 16- arcs water proof ring, 17- electrically-controlled valves, 18- ajutages, 19- fixing nuts, 20- air bags.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the utility model embodiment, a kind of stern tube shaft water sealing device, including pedestal 1, level-one land
2, two level land 3 and sealed pressing sleeve 4,1 right side of the pedestal connect level-one land 2 by fixing nut 19, and the pedestal 1 is right
End is both provided with several annular grooves with 2 left end junction of level-one land, is provided with sealing ring pad 5 in the annular groove, and described one
Grade 2 inner wall of land is provided with seal chamber 6, sealing ring 7 is provided in the seal chamber 6,2 right end of level-one land passes through fixation
Nut 19 connects two level land 3, and 3 inner wall edge of two level land is provided with several annular grooves 8, is provided in the annular groove 8 different
Shape sealing ring 9,3 right end of two level land connect sealed pressing sleeve 4,4 outer end of sealed pressing sleeve middle part by fixing nut 19
It is provided with straight slot, ajutage 18 is provided in the straight slot, 18 upper end of the ajutage connects blow valve 10, the blow valve 10
Upper end connects blast connection 12, and 18 lower end of the ajutage is provided with air hose syringe needle 11, and 11 lower end of air hose syringe needle runs through two
Grade land 3,11 lower end of air hose syringe needle connect air bag 20, and 4 right end edge of the sealed pressing sleeve is provided with several screw holes 13, institute
It states and is provided with counterbore 14 in the middle part of 4 inner wall of sealed pressing sleeve, spring 15 is provided in the counterbore 14, it is anti-that the spring 15 connects arc
Hydrosphere 16,14 side of the counterbore offer through-hole, electrically-controlled valve 17 are provided in the through-hole.
1 right end annular groove of the pedestal is corresponding with 2 left end annular groove location of level-one land, and size matches.
It is set as arc in the middle part of 3 inner wall of two level land.
The material of the sealing ring pad 5 is rubber.
The number of the sealing ring pad 5 is at least three.
The number of the screw hole 13 is at least four.
The operation principle of the utility model is：
The utility model is related to a kind of stern tube shaft water sealing device, the present apparatus works for stern tube shaft waterproof, and when work, this is filled
It sets on stern tube shaft, under the action of sealing ring pad, each component connection of anti-skid and waterproof is closer, in the effect of fixing nut
Under, pedestal 1, level-one land 2, two level land 3 and sealed pressing sleeve 4 are securely fixed, prevent present apparatus loosening to be worn, air hose
Connector 12 connects external tapping, is inflated for air bag 20 under the action of blow valve 10, ajutage 18 and air hose syringe needle 11, in air bag 20
It is protected with forming first under the action of profiled seal ring 9, second protection is formed under the action of sealing ring 7, when urgent feelings
Under condition, electrically-controlled valve 17 is opened, and spring 15 drives arc water proof ring 16 to move down, and three-layer protection effectively prevent flow to permeate, and answers simultaneously
Anxious sealing function greatly enhances, and screw hole facilitates the fixed present apparatus.
The utility model designs advantages of simple in structure, is easy to use quick, and practicability is very high, will when work
The present apparatus is mounted on stern tube shaft, and under the action of sealing ring pad, each component connection of anti-skid and waterproof is closer, in the work of fixing nut
Under, pedestal, level-one land, two level land and sealed pressing sleeve are securely fixed, prevent present apparatus loosening to be worn, air hose connects
Head connection external tapping is airbag aeration under the action of blow valve, ajutage and air hose syringe needle, in air bag and profiled seal ring
Effect is lower to form first of protection, and second protection is formed under the action of sealing ring, when in emergency circumstances, electrically-controlled valve is opened,
Spring drives arc water proof ring to move down, and three-layer protection effectively prevent flow to permeate, while emergent sealing function greatly enhances, screw hole
Facilitate the fixed present apparatus.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of stern tube shaft water sealing device, including pedestal (1), level-one land (2), two level land (3) and sealed pressing sleeve (4),
It is characterized in that, pedestal (1) right side connects level-one land (2), pedestal (1) right end and one by fixing nut (19)
Grade land (2) left end junction is both provided with several annular grooves, and sealing ring pad (5), the level-one are provided in the annular groove
Land (2) inner wall is provided with seal chamber (6), and sealing ring (7), level-one land (2) right end are provided in the seal chamber (6)
Two level land (3) is connected by fixing nut (19), two level land (3) inner wall edge is provided with several annular grooves (8), described
Special-shaped seal ring (9) is provided in annular groove (8), two level land (3) right end connects sealed pressing sleeve by fixing nut (19)
(4), it is provided with straight slot in the middle part of sealed pressing sleeve (4) outer end, ajutage (18), the ajutage is provided in the straight slot
(18) upper end connection blow valve (10), blow valve (10) the upper end connection blast connection (12), ajutage (18) lower end
It is provided with air hose syringe needle (11), two level land (3) is run through in air hose syringe needle (11) lower end, and air hose syringe needle (11) lower end connects
Air bag (20) is connect, sealed pressing sleeve (4) the right end edge is provided with several screw holes (13), sealed pressing sleeve (4) the inner wall middle part
It is provided with counterbore (14), spring (15), spring (15) the connection arc water proof ring (16), institute are provided in the counterbore (14)
It states counterbore (14) side and offers through-hole, electrically-controlled valve (17) is provided in the through-hole.
2. a kind of stern tube shaft water sealing device according to claim 1, which is characterized in that pedestal (1) the right end annular groove
Corresponding with level-one land (2) left end annular groove location, size matches.
3. a kind of stern tube shaft water sealing device according to claim 1, which is characterized in that in two level land (3) inner wall
Portion is set as arc.
4. a kind of stern tube shaft water sealing device according to claim 1, which is characterized in that the material of the sealing ring pad (5)
For rubber.
5. a kind of stern tube shaft water sealing device according to claim 1, which is characterized in that the number of the sealing ring pad (5)
At least three.
6. a kind of stern tube shaft water sealing device according to claim 1, which is characterized in that the number of the screw hole (13) is at least
It is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820196961.8U CN207830555U (en) | 2018-02-05 | 2018-02-05 | A kind of stern tube shaft water sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820196961.8U CN207830555U (en) | 2018-02-05 | 2018-02-05 | A kind of stern tube shaft water sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830555U true CN207830555U (en) | 2018-09-07 |
Family
ID=63396778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820196961.8U Expired - Fee Related CN207830555U (en) | 2018-02-05 | 2018-02-05 | A kind of stern tube shaft water sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891555A (en) * | 2018-09-10 | 2018-11-27 | 扬州中远海运重工有限公司 | It is a kind of for blocking the sealing device of sea opening |
| CN109595412A (en) * | 2018-12-25 | 2019-04-09 | 中铁十七局集团有限公司 | A kind of adaptive replaceable pipe joint waterproof construction |
-
2018
- 2018-02-05 CN CN201820196961.8U patent/CN207830555U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891555A (en) * | 2018-09-10 | 2018-11-27 | 扬州中远海运重工有限公司 | It is a kind of for blocking the sealing device of sea opening |
| CN108891555B (en) * | 2018-09-10 | 2023-06-13 | 扬州中远海运重工有限公司 | Sealing device for plugging sea hole |
| CN109595412A (en) * | 2018-12-25 | 2019-04-09 | 中铁十七局集团有限公司 | A kind of adaptive replaceable pipe joint waterproof construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |