CN218717836U - Waterproof sealing structure of seawater carbon steel material oil cylinder - Google Patents
Waterproof sealing structure of seawater carbon steel material oil cylinder Download PDFInfo
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- CN218717836U CN218717836U CN202222248631.8U CN202222248631U CN218717836U CN 218717836 U CN218717836 U CN 218717836U CN 202222248631 U CN202222248631 U CN 202222248631U CN 218717836 U CN218717836 U CN 218717836U
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Abstract
The utility model discloses a waterproof sealing structure of carbon steel material hydro-cylinder under sea water, include cylinder and base through threaded connection, the opening part of cylinder is equipped with the internal thread, the base includes bottom plate and the threaded connection portion of integrative structure, threaded connection portion connects in the internal thread, the bottom plate with be connected with first seal structure between the terminal surface of cylinder, threaded connection portion with be equipped with second seal structure between the inner wall of cylinder, strengthen through double seal structure the base with leakproofness between the cylinder prevents that the sea water from along the gap infiltration of threaded connection department in the cylinder, prevents the inside corruption of cylinder.
Description
Technical Field
The utility model relates to a special type hydro-cylinder equipment technical field, specific is a waterproof sealing structure of carbon steel material hydro-cylinder under sea water.
Background
Part special type hydro-cylinder need be in deep sea work, and cylinder cap, cylinder and the base of hydro-cylinder are all made by corrosion-resistant material, and welding performance is relatively poor, must use threaded connection, because deep sea pressure is great, in the gap infiltration cylinder of threaded connection department is followed easily to high-pressure sea water, leads to the inside rust of cylinder, influences the normal work of hydro-cylinder, consequently, the utility model provides a waterproof sealing structure of carbon steel hydro-cylinder under sea water.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect in the prior art, the embodiment of the utility model provides a waterproof sealing structure of carbon steel material hydro-cylinder under sea water to solve the problem that proposes in the above-mentioned background art.
The embodiment of the application discloses: the utility model provides a waterproof sealing structure of carbon steel material hydro-cylinder under sea water, includes cylinder and base through threaded connection, the opening part of cylinder is equipped with the internal thread, the base includes bottom plate and the threaded connection portion of integrative structure, threaded connection portion connects in the internal thread, the bottom plate with be connected with first seal structure between the terminal surface of cylinder, threaded connection portion with be equipped with second seal structure between the inner wall of cylinder.
Preferably, the first sealing structure comprises a first sealing ring mounting groove which is arranged on the side, opposite to the cylinder barrel, of the bottom plate, and an O-shaped sealing ring is connected in the first sealing ring mounting groove.
Preferably, the second sealing structure comprises a boss coaxially arranged at the bottom of the threaded connection part, a second sealing ring is sleeved on the boss, the outer diameter of the second sealing ring is smaller than the diameter of the threaded connection part, the outer periphery of the second sealing ring is arranged to be a downward inclined plane, an extrusion ring is integrally formed on the inner wall of the cylinder barrel, the inner diameter of the extrusion ring is larger than the diameter of the boss and smaller than the diameter of the threaded connection part, and the inclined plane of the second sealing ring abuts against the inner peripheral edge of the extrusion ring.
Preferably, the base is made by the stainless steel, the cylinder is made by the carbon steel, be equipped with the stainless steel build-up welding on the terminal surface of cylinder.
The utility model has the advantages as follows: through the leakproofness of dual seal structure reinforcing base with between the cylinder, prevent that the sea water from along the gap infiltration of threaded connection department in the cylinder, prevent that the cylinder is inside to be corroded.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a partial structural schematic diagram of a waterproof sealing structure of a carbon steel cylinder under seawater.
Reference numerals of the above figures: 1. a cylinder barrel; 2. a base; 3. a base plate; 4. a threaded connection; 5. a first seal ring mounting groove; 6. an O-shaped sealing ring; 7, a boss; 8. a second seal ring; 9. and (5) extruding the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a waterproof sealing structure of carbon steel material hydro-cylinder under sea water includes cylinder 1 and base 2 through threaded connection, the opening part of cylinder 1 is equipped with the internal thread, base 2 includes bottom plate 3 and the threaded connection portion 4 of integrative structure, threaded connection portion 4 is connected in the internal thread, bottom plate 3 with be connected with first seal structure between the terminal surface of cylinder 1, threaded connection portion 4 with be equipped with second seal structure between the inner wall of cylinder 1, strengthen through dual seal structure base 2 with leakproofness between the cylinder 1 prevents that the sea water from along the gap infiltration of threaded connection department in the cylinder 1, prevents that cylinder 1 is inside to corrode.
The first sealing structure comprises a first sealing ring mounting groove 5 which is arranged on the side, opposite to the cylinder barrel 1, of the bottom plate 3, and an O-shaped sealing ring 6 is connected in the first sealing ring mounting groove 5.
The second sealing structure comprises a boss 7 coaxially arranged at the bottom of the threaded connection portion 4, a second sealing ring 8 is sleeved on the boss 7, the outer diameter of the second sealing ring 8 is smaller than the diameter of the threaded connection portion 4, the outer periphery of the second sealing ring 8 is a downward inclined plane, an extrusion ring 9 is integrally formed on the inner wall of the cylinder barrel 1, the inner diameter of the extrusion ring 9 is larger than the diameter of the boss 7, which is smaller than the diameter of the threaded connection portion 4, and the inclined plane of the second sealing ring 8 abuts against the inner peripheral edge of the extrusion ring 9.
The base 2 is made of stainless steel, the cylinder barrel 1 is made of carbon steel, and stainless steel surfacing is arranged on the end face of the cylinder barrel 1.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (4)
1. The utility model provides a waterproof sealing structure of carbon steel material hydro-cylinder under sea water which characterized in that: the sealing device comprises a cylinder barrel and a base which are connected through threads, wherein an internal thread is arranged at an opening of the cylinder barrel, the base comprises a bottom plate and a threaded connecting portion which are integrally structured, the threaded connecting portion is connected in the internal thread, a first sealing structure is connected between the bottom plate and the end face of the cylinder barrel, and a second sealing structure is arranged between the threaded connecting portion and the inner wall of the cylinder barrel.
2. The waterproof sealing structure of the underwater carbon steel material oil cylinder according to claim 1, characterized in that: the first sealing structure comprises a first sealing ring mounting groove which is arranged on the side, opposite to the cylinder barrel, of the bottom plate, and an O-shaped sealing ring is connected in the first sealing ring mounting groove.
3. The waterproof sealing structure of the underwater carbon steel material oil cylinder according to claim 1, characterized in that: the second sealing structure comprises a boss coaxially arranged at the bottom of the threaded connection part, a second sealing ring is sleeved on the boss, the outer diameter of the second sealing ring is smaller than the diameter of the threaded connection part, the outer periphery of the second sealing ring is arranged to be a downward inclined plane, an extrusion ring is integrally formed on the inner wall of the cylinder barrel, the inner diameter of the extrusion ring is larger than the diameter of the boss and smaller than the diameter of the threaded connection part, and the inclined plane of the second sealing ring abuts against the inner peripheral edge of the extrusion ring.
4. The waterproof sealing structure of the underwater carbon steel material oil cylinder according to claim 1, characterized in that: the base is made of stainless steel, the cylinder barrel is made of carbon steel, and stainless steel surfacing is arranged on the end face of the cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248631.8U CN218717836U (en) | 2022-08-25 | 2022-08-25 | Waterproof sealing structure of seawater carbon steel material oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248631.8U CN218717836U (en) | 2022-08-25 | 2022-08-25 | Waterproof sealing structure of seawater carbon steel material oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717836U true CN218717836U (en) | 2023-03-24 |
Family
ID=85631744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222248631.8U Active CN218717836U (en) | 2022-08-25 | 2022-08-25 | Waterproof sealing structure of seawater carbon steel material oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717836U (en) |
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2022
- 2022-08-25 CN CN202222248631.8U patent/CN218717836U/en active Active
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