CN210830454U

CN210830454U - Adopt metal cladding formula seal gasket structure

Info

Publication number: CN210830454U
Application number: CN201921540921.1U
Authority: CN
Inventors: 俞林芳
Original assignee: Hangzhou Yongli Seal Co ltd
Current assignee: Hangzhou Yongli Seal Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-23
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to an adopt metal cladding formula seal gasket structure, affiliated jar body seal structure technical field, including the overhead tank body, overhead tank body upper end is equipped with the gland that cup joints with the overhead tank body formula of inlaying mutually, is equipped with a plurality ofly on the gland and sells movable fixed gland locking Assembly of being connected mutually with the overhead tank body, is equipped with metal cladding gasket between gland and overhead tank body. The metal-coated gasket comprises a gasket shell, a core material is arranged in the gasket shell, and a gasket cover clamped and embedded with the gasket shell is arranged at the upper end of the core material. 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. Improve the sealed effect of jar body, avoid having to leak and influence product quality stability.

Description

Adopt metal cladding formula seal gasket structure

Technical Field

The utility model relates to a jar body seal structure technical field, concretely relates to adopt metal cladding formula seal gasket structure.

Background

The metal-clad gasket is a composite gasket having an inner portion made of a non-metallic material (flexible graphite, asbestos rubber sheet, ceramic fiber) and an outer portion clad with a metal sheet by a specific cold working process, and is generally classified into a flat-type clad gasket and a corrugated-type clad gasket according to a gasket cross section, which is the most conventional one, and is suitable for sealing heat exchangers, pressure vessels, pumps, valves and flange surfaces. The metal-clad gasket has the advantages of high strength, low probability of breakage, firmness and firmness, but limited resilience force, and can achieve good effect only by requiring flat surface of the flange and high fastening force.

For convenience, in the assembling and debugging process of enterprises, rubber gaskets and asbestos-free gaskets are usually adopted for sealing. But has the defects of short service cycle and poor sealing effect. The safety stability and the sealing performance of the sealing of the heat exchanger, the pressure container, the pump, the valve and the flange surface are poor, and the condition that the equipment cannot normally run is easy to occur.

Disclosure of Invention

The utility model discloses mainly solve and have the not enough of sealing performance difference and life cycle weak point among the prior art, provide an adopt metal cladding formula seal gasket structure, it has simple structure, sealing performance good and life cycle long characteristics. The problem of sealed face leakage that became invalid easily is solved. Improve the sealed effect of jar body, avoid having to leak and influence product quality stability.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides an adopt metal cladding formula seal gasket structure, includes the overhead tank body, overhead tank body upper end be equipped with the overhead tank body looks press-fit type gland that cup joints, the gland on be equipped with a plurality ofly with the overhead tank body looks round pin movable gland locking Assembly who is connected fixedly, gland and overhead tank body between be equipped with metal cladding gasket. The metal-coated gasket comprises a gasket shell, a core material is arranged in the gasket shell, and a gasket cover clamped and embedded with the gasket shell is arranged at the upper end of the core material. The outer diameter of the gasket shell is 25 mm-4000 mm, and the height of the gasket shell is 2.5 mm-10 mm. The metal-coated gasket can bear the pressure of 0-15 MPa.

Preferably, the gland locking assembly comprises a plurality of fixed blocks integrated with the gland, a pin shaft fixing frame integrally welded with the upper end of the pressure tank body is arranged at the lower end of each fixed block, a tension rod in through type sleeve joint with the fixed blocks is arranged between each pin shaft fixing frame and each fixed block, a limiting pull ring integrated with the tension rod is arranged at the upper end of each fixed block, and a limiting pin shaft in sleeve joint with the tension rod for limiting is arranged on each pin shaft fixing frame.

Preferably, the pressure cover is provided with a pressure gauge penetrating through the pressure cover, a pressure gauge connecting joint in threaded sleeve joint with the pressure gauge is arranged between the pressure gauge and the pressure cover, and a combined gasket in embedded sealing sleeve joint with the pressure gauge connecting joint is arranged between the pressure gauge connecting joint and the pressure gauge.

Preferably, the combined gasket comprises a gasket body, a metal steel belt nested with the gasket body is arranged in the excircle of the gasket body, a non-metal ring is arranged between the metal steel belt and the gasket body, and an O-shaped ring which is in clamping and sleeving connection with the metal steel belt is arranged between the metal steel belt and a pressure gauge connecting joint.

Preferably, the two end faces of the gasket body are provided with rebound sealing layers which are integrally nested and sintered with the gasket body.

Preferably, the upper end of the pressure gauge connecting joint is provided with a locking nut in threaded sleeve connection with the pressure gauge.

Preferably, the core material is a non-metal filling material.

Preferably, the upper end of the gland is provided with a gland bracket connected with the pressure tank body through a bolt.

The utility model discloses can reach following effect:

the utility model provides an adopt metal cladding formula seal gasket structure 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. Improve the sealed effect of jar body, avoid having to leak and influence product quality stability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the mounting structure of the metal-clad gasket of the present invention.

Fig. 3 is a sectional view of the metal-clad gasket according to the present invention.

Fig. 4 is a schematic view of the installation structure of the pressure gauge of the present invention.

Fig. 5 is a structural sectional view of the composite washer according to the present invention.

Figure 6 is a schematic structural view of the gland locking assembly of the present invention.

In the figure: the pressure tank comprises a pressure cover support 1, a pressure cover 2, a pressure cover locking assembly 3, a pressure gauge 4, a pressure tank body 5, a pressure gauge connecting joint 6, a metal cladding gasket 7, a gasket shell 8, a core material 9, a gasket cover 10, a locking nut 11, a combined gasket 12, an O-shaped ring 13, a metal steel belt 14, a non-metal ring 15, a gasket body 16, a rebound sealing layer 17, a limiting pull ring 18, a fixing block 19, a tension rod 20, a limiting pin shaft 21 and a pin shaft fixing frame 22.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1-6, a sealing gasket structure with metal coating comprises a pressure tank body 5, a gland 2 in press-fit connection with the pressure tank body 5 is arranged at the upper end of the pressure tank body 5, and a gland support 1 in bolt connection with the pressure tank body 5 is arranged at the upper end of the gland 2. Be equipped with 18 gland locking Assembly 3 of being connected fixedly with 5 looks round pin axles movable of overhead tank body on the gland 2, gland locking Assembly 3 includes that 18 are the fixed block 19 of integration with gland 2, the fixed block 19 lower extreme is equipped with and is integration welded round pin axle mount 22 with 5 upper ends of overhead tank body, be equipped with the straining rod 20 that cup joints with fixed block 19 looks through type between round pin axle mount 22 and fixed block 19, the fixed block 19 upper end is equipped with the spacing pull ring 18 that is the integration with straining rod 20, be equipped with on the round pin axle mount 22 and cup joint spacing round pin axle 21 with straining rod 20 mutually. A metal coating gasket 7 is arranged between the gland 2 and the pressure tank body 5. The metal-clad gasket 7 comprises a gasket shell 8, wherein a core material 9 is arranged in the gasket shell 8, and the core material 9 is a non-metal filling material. The upper end of the core material 9 is provided with a gasket cover 10 which is embedded with the gasket shell 8.

Be equipped with the manometer 4 that runs through mutually with gland 2 on the gland 2, be equipped with the manometer attach fitting 6 that cup joints with 4 looks screw threads of manometer between manometer 4 and the gland 2, the manometer attach fitting 6 upper end is equipped with the lock nut 11 that cup joints with 4 looks screw threads of manometer. A combined gasket 12 which is embedded in the pressure gauge connecting joint 6 and is in sealing sleeve joint with the pressure gauge connecting joint 6 is arranged between the pressure gauge connecting joint 6 and the pressure gauge 4. The combined gasket 12 comprises a gasket body 16, and two end faces of the gasket body 16 are provided with rebound sealing layers 17 which are integrally nested and sintered with the gasket body 16. A metal steel belt 14 nested with the gasket body 16 is arranged in the excircle of the gasket body 16, a non-metal ring 15 is arranged between the metal steel belt 14 and the gasket body 16, and an O-shaped ring 13 which is nested with the metal steel belt 14 in a clamping manner is arranged between the metal steel belt 14 and the pressure gauge connecting joint 6.

To sum up, this adopt metal cladding formula seal gasket structure has simple structure, sealing performance is good and life cycle is long characteristics. The problem of sealed face leakage that became invalid easily is solved. Improve the sealed effect of jar body, avoid having to leak and influence product quality stability.

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

1. The utility model provides an adopt metal-clad formula seal gasket structure, includes pressure tank body (5), its characterized in that: the upper end of the pressure tank body (5) is provided with a gland (2) which is in press-fit sleeve joint with the pressure tank body (5), the gland (2) is provided with a plurality of gland locking assemblies (3) which are movably connected and fixed with the pressure tank body (5) through pin shafts, and a metal coating gasket (7) is arranged between the gland (2) and the pressure tank body (5); the metal-coated gasket (7) comprises a gasket shell (8), a core material (9) is arranged in the gasket shell (8), and a gasket cover (10) which is embedded with the gasket shell (8) is arranged at the upper end of the core material (9).

2. The structure of the metal-clad sealing gasket according to claim 1, wherein: the gland locking assembly (3) comprises a plurality of fixing blocks (19) integrated with the gland (2), a pin shaft fixing frame (22) welded with the upper end of the pressure tank body (5) in an integrated mode is arranged at the lower end of each fixing block (19), a tension rod (20) sleeved with the fixing blocks (19) in a penetrating mode is arranged between each pin shaft fixing frame (22) and the corresponding fixing block (19), a limiting pull ring (18) integrated with the tension rod (20) is arranged at the upper end of each fixing block (19), and a limiting pin shaft (21) sleeved with the tension rod (20) in a limiting mode is arranged on each pin shaft fixing frame (22).

3. The structure of the metal-clad sealing gasket according to claim 1, wherein: gland (2) on be equipped with manometer (4) that run through mutually with gland (2), manometer (4) and gland (2) between be equipped with manometer attach fitting (6) that cup joints with manometer (4) looks screw thread formula, manometer attach fitting (6) and manometer (4) between be equipped with combination packing ring (12) that manometer attach fitting (6) embedded sealed cup joint mutually.

4. The structure of the metal-clad sealing gasket according to claim 3, wherein: the combined gasket (12) comprises a gasket body (16), a metal steel belt (14) nested with the gasket body (16) is arranged in the excircle of the gasket body (16), a non-metal ring (15) is arranged between the metal steel belt (14) and the gasket body (16), and an O-shaped ring (13) which is sleeved with the metal steel belt (14) in a clamping and embedding manner is arranged between the metal steel belt (14) and the pressure gauge connecting joint (6).

5. The structure of the metal-clad sealing gasket according to claim 4, wherein: and two end faces of the gasket body (16) are provided with rebound sealing layers (17) which are integrally nested and sintered with the gasket body (16).

6. The structure of the metal-clad sealing gasket according to claim 3, wherein: the upper end of the pressure gauge connecting joint (6) is provided with a locking nut (11) which is in threaded sleeve joint with the pressure gauge (4).

7. The structure of the metal-clad sealing gasket according to claim 1, wherein: the core material (9) is a non-metal filling material.

8. The structure of the metal-clad sealing gasket according to claim 1, wherein: the upper end of the gland (2) is provided with a gland bracket (1) which is connected with the pressure tank body (5) through bolts.