CN217539173U - Sealing gasket structure coated by corrugated type - Google Patents
Sealing gasket structure coated by corrugated type Download PDFInfo
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- CN217539173U CN217539173U CN202220963710.4U CN202220963710U CN217539173U CN 217539173 U CN217539173 U CN 217539173U CN 202220963710 U CN202220963710 U CN 202220963710U CN 217539173 U CN217539173 U CN 217539173U
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Abstract
The utility model relates to an adopt seal gasket construction of ripple type cladding, hydraulic cylinder seal structure technical field of affiliated, including hydraulic cylinder body, hydraulic cylinder body upper portion side is equipped with the hydraulic fluid port, hydraulic cylinder body lower part side is equipped with down the hydraulic fluid port, the hydraulic cylinder body front end is equipped with the hydro-cylinder end cover, the internal piston that is equipped with of pneumatic cylinder, the piston is located between hydraulic fluid port and the lower hydraulic fluid port, be equipped with the piston rod that runs through the hydro-cylinder end cover on the piston, the piston rod rear end is equipped with the lock nut who cup joints with piston rod looks thread type, be equipped with the butterfly gasket that cup joints mutually with the piston between lock nut and piston, be equipped with the cladding seal gasket subassembly that cup joints with piston looks inlay type between piston and piston rod, cladding seal gasket subassembly front end, all be equipped with O shape sealing washer between hydro-cylinder end cover and hydraulic cylinder body. The sealing device has the characteristics of simple structure, good sealing performance and long service cycle. The problem of sealed face leakage that became invalid easily is solved. The sealing effect of the piston is improved, and the stability of the piston cylinder operation influenced by leakage is avoided.
Description
Technical Field
The utility model relates to a hydraulic cylinder seal structure technical field, concretely relates to adopt wrapped seal gasket structure of ripple type.
Background
The metal-clad gasket is a composite gasket which is internally clad with a non-metal material (flexible graphite, asbestos rubber sheet, ceramic fiber) and externally clad with a metal sheet by a specific cold working process, and is generally divided into a planar cladding and a corrugated cladding according to the section of the gasket, which is the most traditional sealing gasket and is suitable for sealing heat exchangers, pressure vessels, pumps, valves, oil cylinders and flange surfaces. The metal-clad gasket has the advantages of high strength, difficult breakage, firmness and firmness, but limited resilience, and can achieve good effect only by requiring the flange to have a flat surface and high fastening force.
Disclosure of Invention
The utility model discloses mainly solve exist among the prior art that sealing performance is poor and life cycle is short not enough, provide an adopt the wrapped seal gasket structure of ripple type, it has simple structure, sealing performance good and the characteristics of life cycle length. The problem of sealed face leakage that became invalid easily is solved. The sealing effect of the piston is improved, and the stability of the piston cylinder operation influenced by leakage is avoided.
The above technical problem of the utility model is mainly solved through the following technical scheme:
the utility model provides an adopt seal gasket structure of ripple type cladding, includes the hydraulic cylinder body, hydraulic cylinder body upper portion side be equipped with the mouth that oils that is the integration intercommunication with the hydraulic cylinder body, hydraulic cylinder body lower part side be equipped with the lower hydraulic fluid port that is the integration intercommunication with the hydraulic cylinder body, the hydraulic cylinder body front end be equipped with the fixed hydro-cylinder end cover of the inserted and embedded bolted connection of hydraulic cylinder body, the hydraulic cylinder body in be equipped with the piston with the movable nested connection of hydraulic cylinder body, the piston be located between hydraulic fluid port and the lower hydraulic fluid port, the piston on be equipped with the piston rod that runs through the hydro-cylinder end cover, the piston rod rear end be equipped with the lock nut that cup joints with the piston rod mutually, lock nut and piston between be equipped with the butterfly gasket that cup joints mutually with the piston, piston and piston rod between be equipped with the cladding gasket subassembly that cup joints mutually with the piston mutually inserted, cladding gasket subassembly front end, hydro-cylinder end cover and hydraulic cylinder body between all be equipped with O shape sealing washer.
Preferably, the covered sealing gasket assembly comprises a gasket housing, wherein a filler is arranged in the gasket housing, and a gasket cover is arranged at the upper end of the filler.
Preferably, the gasket housing and the gasket cover are in a corrugated structure.
Preferably, the gasket shell and the gasket cover are made of galvanized thin steel plates or 00Cr19Ni10, and the filler is asbestos-free rubber plates.
Preferably, the gasket shell and the gasket cover are made of copper T3 or 00Cr17Ni12No2, and the filler is flexible graphite.
Preferably, the gasket shell and the gasket cover are made of pure aluminum L3 or 00Cr17Ni14No2, and the filler is a ceramic fiberboard.
Preferably, a Y-shaped oil seal is arranged between the piston rod and the oil cylinder end cover, and a dustproof ring is arranged between the front end of the oil cylinder end cover and the piston rod. And a pair of Y-shaped oil seals which are distributed in a mirror symmetry manner are arranged between the piston and the hydraulic cylinder body.
Preferably, the upper end of the hydraulic cylinder body is provided with a mounting bolt in threaded sleeve joint with the hydraulic cylinder body, and a fastening gasket in sleeve joint with the mounting bolt is arranged between the mounting bolt and the hydraulic cylinder body.
The utility model discloses can reach following effect:
the utility model provides an adopt seal gasket structure of ripple type cladding compares with prior art, has simple structure, sealing performance good and life cycle long characteristics. The problem of sealed face leakage that became invalid easily is solved. The sealing effect of the piston is improved, and the stability of the hydraulic cylinder operation influenced by leakage is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the covered gasket assembly of the present invention.
In the figure: the hydraulic cylinder comprises a hydraulic cylinder body 1, a mounting bolt 2, a fastening gasket 3, an upper oil opening 4, a locking nut 5, a butterfly gasket 6, a piston 7, a lower oil opening 8, an oil cylinder end cover 9, a dust ring 10, a piston rod 11, a Y-shaped oil seal 12, an O-shaped sealing ring 13, a coated sealing gasket assembly 14, a gasket shell 15, a gasket cover 16 and a filler 17.
Detailed Description
The technical solution of the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 2, a sealing gasket structure coated by a corrugated form includes a hydraulic cylinder body 1, a mounting bolt 2 in threaded socket joint with the hydraulic cylinder body 1 is arranged at the upper end of the hydraulic cylinder body 1, and a fastening gasket 3 in socket joint with the mounting bolt 2 is arranged between the mounting bolt 2 and the hydraulic cylinder body 1. The side of the upper part of the hydraulic cylinder body 1 is provided with an upper oil port 4 which is integrally communicated with the hydraulic cylinder body 1, the side of the lower part of the hydraulic cylinder body 1 is provided with a lower oil port 8 which is integrally communicated with the hydraulic cylinder body 1, the front end of the hydraulic cylinder body 1 is provided with an oil cylinder end cover 9 which is fixedly connected with the hydraulic cylinder body 1 through an inserted bolt, a piston 7 which is movably connected with the hydraulic cylinder body 1 in an embedded mode is arranged in the hydraulic cylinder body 1, and a pair of Y-shaped oil seals 12 which are distributed in a mirror symmetry mode is arranged between the piston 7 and the hydraulic cylinder body 1. The piston 7 is positioned between the upper oil port 4 and the lower oil port 8, the piston 7 is provided with a piston rod 11 penetrating through the oil cylinder end cover 9, a Y-shaped oil seal 12 is arranged between the piston rod 11 and the oil cylinder end cover 9, and a dust ring 10 is arranged between the front end of the oil cylinder end cover 9 and the piston rod 11. A locking nut 5 in threaded sleeve connection with the piston rod 11 is arranged at the rear end of the piston rod 11, a butterfly gasket 6 in sleeve connection with the piston 7 is arranged between the locking nut 5 and the piston 7, a wrapping sealing gasket assembly 14 in embedded sleeve connection with the piston 7 is arranged between the piston 7 and the piston rod 11, and O-shaped sealing rings 13 are arranged at the front end of the wrapping sealing gasket assembly 14 and between the oil cylinder end cover 9 and the hydraulic cylinder body 1.
The covered sealing gasket assembly 14 comprises a gasket shell 15, a filler 17 is arranged in the gasket shell 15, and a gasket cover 16 is arranged at the upper end of the filler 17. The gasket housing 15 and the gasket cover 16 are corrugated. The gasket shell 15 and the gasket cover 16 are made of galvanized thin steel plates or 00Cr19Ni10, and the filler 17 is a non-asbestos rubber plate. The gasket shell 15 and the gasket cover 16 are made of copper T3 or 00Cr17Ni12No2, and the filler 17 is flexible graphite. The gasket shell 15 and the gasket cover 16 are made of pure aluminum L3 or 00Cr17Ni14No2, and the filler 17 is a ceramic fiberboard.
In conclusion, the sealing gasket structure adopting the corrugated coating has the characteristics of simple structure, good sealing performance and long service cycle. The problem of sealed face leakage that became invalid easily is solved. The sealing effect of the piston is improved, and the stability of the piston cylinder operation influenced by leakage is avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (8)
1. The utility model provides an adopt seal gasket structure of corrugated type cladding which characterized in that: comprises a hydraulic cylinder body (1), an upper oil port (4) integrally communicated with the hydraulic cylinder body (1) is arranged on the side edge of the upper part of the hydraulic cylinder body (1), a lower oil port (8) which is integrally communicated with the hydraulic cylinder body (1) is arranged on the side edge of the lower part of the hydraulic cylinder body (1), the front end of the hydraulic cylinder body (1) is provided with an oil cylinder end cover (9) which is fixedly connected with the hydraulic cylinder body (1) through an inserted bolt, a piston (7) movably connected with the hydraulic cylinder body (1) in a nested manner is arranged in the hydraulic cylinder body (1), the piston (7) is positioned between the upper oil port (4) and the lower oil port (8), a piston rod (11) penetrating through the oil cylinder end cover (9) is arranged on the piston (7), the rear end of the piston rod (11) is provided with a locking nut (5) which is in threaded sleeve joint with the piston rod (11), a butterfly gasket (6) sleeved with the piston (7) is arranged between the locking nut (5) and the piston (7), a coating sealing gasket component (14) which is embedded with the piston (7) in a sleeved manner is arranged between the piston (7) and the piston rod (11), o-shaped sealing rings (13) are arranged at the front end of the coated sealing gasket assembly (14) and between the oil cylinder end cover (9) and the hydraulic cylinder body (1).
2. A gasket seal structure coated with a bellows type according to claim 1, wherein: the coated sealing gasket assembly (14) comprises a gasket shell (15), a filler (17) is arranged in the gasket shell (15), and a gasket cover (16) is arranged at the upper end of the filler (17).
3. A gasket seal structure coated with a bellows type according to claim 2, wherein: the gasket shell (15) and the gasket cover (16) are of corrugated structures.
4. A gasket seal structure according to claim 2, wherein: the gasket shell (15) and the gasket cover (16) are made of galvanized thin steel sheets or 00Cr19Ni10, and the filler (17) is a non-asbestos rubber sheet.
5. A gasket seal structure coated with a bellows type according to claim 2, wherein: the gasket shell (15) and the gasket cover (16) are made of copper T3 or 00Cr17Ni12No2, and the filler (17) is flexible graphite.
6. A gasket seal structure coated with a bellows type according to claim 2, wherein: the gasket shell (15) and the gasket cover (16) are made of pure aluminum L3 or 00Cr17Ni14No2, and the filler (17) is a ceramic fiberboard.
7. A gasket seal structure coated with a bellows type according to claim 1, wherein: a Y-shaped oil seal (12) is arranged between the piston rod (11) and the oil cylinder end cover (9), and a dust ring (10) is arranged between the front end of the oil cylinder end cover (9) and the piston rod (11); a pair of Y-shaped oil seals (12) which are distributed in a mirror symmetry manner are arranged between the piston (7) and the hydraulic cylinder body (1).
8. A gasket seal structure coated with a bellows type according to claim 1, wherein: the hydraulic cylinder body (1) upper end be equipped with hydraulic cylinder body (1) looks screw thread formula mounting bolt (2) that cup joint, mounting bolt (2) and hydraulic cylinder body (1) between be equipped with fastening gasket (3) that cup joint mutually with mounting bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963710.4U CN217539173U (en) | 2022-04-25 | 2022-04-25 | Sealing gasket structure coated by corrugated type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963710.4U CN217539173U (en) | 2022-04-25 | 2022-04-25 | Sealing gasket structure coated by corrugated type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539173U true CN217539173U (en) | 2022-10-04 |
Family
ID=83432183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220963710.4U Active CN217539173U (en) | 2022-04-25 | 2022-04-25 | Sealing gasket structure coated by corrugated type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539173U (en) |
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2022
- 2022-04-25 CN CN202220963710.4U patent/CN217539173U/en active Active
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