CN215410144U - Multistage sealed graphite gasket of flexibility reinforcing - Google Patents
Multistage sealed graphite gasket of flexibility reinforcing Download PDFInfo
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- CN215410144U CN215410144U CN202121468565.4U CN202121468565U CN215410144U CN 215410144 U CN215410144 U CN 215410144U CN 202121468565 U CN202121468565 U CN 202121468565U CN 215410144 U CN215410144 U CN 215410144U
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Abstract
The utility model relates to the technical field of sealing gasket processing, and discloses a flexible reinforced multistage sealing graphite gasket, which comprises a sealing gasket body, the sealing gasket body comprises a first flexible graphite gasket, a metal screen plate is arranged at the bottom end of the first flexible graphite gasket, a second flexible graphite gasket is arranged at the bottom end of the metal screen plate, and the inner part of the metal screen plate is provided with a plurality of burrs which extend to the two ends of the first flexible graphite gasket and the sealing ring, the periphery of the metal screen plate is uniformly provided with a plurality of connecting holes around the circle center, and the connecting hole runs through the first flexible graphite gasket and the second flexible graphite gasket, the outer walls of the circumferential sides of the first flexible graphite gasket and the second flexible graphite gasket are respectively provided with wavy anti-skid lines, so that the flexibility and the sealing property of the sealing gasket are enhanced, and meanwhile, the stability and the convenience of installation are ensured when multistage installation is needed.
Description
Technical Field
The utility model relates to a sealing graphite gasket, in particular to a flexible reinforced multistage sealing graphite gasket, belonging to the technical field of sealing gasket processing.
Background
The graphite sealing ring is formed by mutually winding a graphite belt and a metal belt, and has a plurality of excellent sealing performances, such as: the heat-resistant and corrosion-resistant composite material has the advantages of heat stability, self lubrication, corrosion resistance, no aging, no brittleness and the like, can be stably used for a long time under severe working conditions, and needs little maintenance. At present, graphite sealing rings are widely used for pipelines, valves, pumps, pressure vessels, heat exchangers, condensers, generators, air compressors, exhaust pipes, refrigerators and the like, and in order to enhance the sealing performance of gaskets, flexible graphite auxiliary gaskets are usually additionally arranged between the gaskets and connecting pieces, such as winding gaskets, corrugated graphite composite gaskets and high-strength flexible graphite gaskets commonly used in the current production for sealing steel flanges. The problems of the prior sealing graphite gasket in use are as follows:
(1) the flexibility is poor, and the sealing property needs to be improved.
(2) The existing sealing graphite gasket is mostly designed in a single layer, so that the two sides of the sealing graphite gasket are simultaneously extruded, the sealing graphite gasket is easily damaged due to uneven stress on the two sides, and the service life of the sealing graphite gasket is influenced.
Disclosure of Invention
The utility model aims to provide a flexible reinforced multistage sealing graphite gasket, which solves the problems that the existing sealing graphite gasket proposed in the background has poor flexibility, the sealing performance needs to be improved, most of the sealing graphite gaskets are in a single-layer design, so that two sides of each sealing graphite gasket are simultaneously extruded and are easily damaged due to uneven stress on the two sides, and the service life of each sealing graphite gasket is influenced.
In order to achieve the above purpose, the utility model provides the following scheme:
the utility model provides a multistage sealed graphite gasket of flexibility reinforcing, includes seal gasket body, seal gasket body includes first flexible graphite gasket, the bottom of first flexible graphite gasket is provided with metal mesh plate, metal mesh plate's bottom is provided with the flexible graphite gasket of second, and metal mesh plate's inside is provided with a plurality of burrs, and the burr extends to the both ends of first flexible graphite gasket and sealing ring, metal mesh plate's periphery is around the even a plurality of connecting holes that are equipped with in the centre of a circle, and the connecting hole runs through first flexible graphite gasket and the flexible graphite gasket of second, the circumference side outer wall of first flexible graphite gasket and the flexible graphite gasket of second is equipped with wavy antiskid line respectively.
Preferably, the first flexible graphite gasket comprises an outer ring, a sealing ring is arranged on the inner wall of the circumferential side of the outer ring, a first convex interface is arranged at the joint of the outer ring and the sealing ring, an inner ring is arranged on the inner wall of the circumferential side of the sealing ring, the second flexible graphite gasket is similar to the first flexible graphite gasket in structure, and a second convex interface which protrudes downwards is arranged at the bottom end of the second flexible graphite gasket.
More preferably, the seal ring and the inner ring and the seal ring and the outer ring are bonded together by an adhesive layer.
More preferably, the first interface is matched with the second interface, and the second interface can be sleeved and fixed in the first interface.
Specifically, the sealing ring comprises a metal band, a flexible graphite band is arranged at one end of the metal band, and the metal band and the flexible graphite band are wound in a staggered mode.
Furthermore, the flexible graphite belt is formed by winding a single graphite belt.
Preferably, rubber rings are arranged at the ports of the two sides of the connecting hole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the utility model provides a multi-stage sealing graphite gasket with enhanced flexibility, which is characterized in that a sealing gasket body is formed by adopting a first flexible graphite gasket, a metal screen plate and a second flexible graphite gasket, so that the mechanical strength of the sealing gasket body is increased, the service life of the sealing gasket body is prolonged by multiple times, the leakage prevention capability of a sealing connecting piece is effectively improved, a sealing ring can ensure good compression resilience, the problem that the sealing gasket body is easy to leak under the working condition of high temperature and high pressure is avoided, the integral sealing effect of the sealing gasket body is ensured, and the sealing is more reliable and durable.
(2) The utility model provides a flexible reinforced multi-stage sealing graphite gasket, when the multi-stage sealing graphite gasket is required to be installed, two flexible graphite gasket rings are fixedly sleeved and connected with a second interface through a first interface, and the two graphite gasket rings are respectively contacted with the two sides of the connecting end by utilizing the fastening piece to penetrate through the connecting hole for fastening, so that the two sides of the same graphite gasket ring are prevented from being simultaneously stressed and extruded, and the graphite gasket ring can be prevented from being damaged due to uneven stress, further improving the convenience of installing the graphite gasket, in addition, the graphite gasket can be limited by the inner ring, the stability of the arrangement of the graphite gasket ring is ensured, the sealing effect of the graphite gasket can be ensured, the mechanism can effectively improve the convenience of installing the seal graphite gasket, and can avoid the condition that the two sides of the seal graphite gasket are extruded simultaneously to cause the damage caused by uneven stress, thereby prolonging the service life of the seal graphite gasket.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a partial side view of the present invention.
Fig. 3 is a partial side view of the seal ring of the present invention.
In the figure: 1. a sealing gasket body; 2. a first flexible graphite gasket; 3. a seal ring; 4. an inner ring; 5. connecting holes; 6. a first interface; 7. a metal mesh plate; 8. a second flexible graphite gasket; 9. a second interface; 10. a metal strip; 11. a flexible graphite tape; 12. and (4) an outer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a multi-stage seal graphite gasket with enhanced flexibility comprises a seal gasket body 1, wherein the seal gasket body 1 comprises a first flexible graphite gasket 2, a metal mesh plate 7 is arranged at the bottom end of the first flexible graphite gasket 2, a second flexible graphite gasket 8 is arranged at the bottom end of the metal mesh plate 7, a plurality of burrs are arranged inside the metal mesh plate 7, the burrs extend towards the two ends of the first flexible graphite gasket 2 and the two ends of the seal ring 3, a plurality of connecting holes 5 are uniformly arranged around the center of a circle on the periphery of the metal mesh plate 7, the connecting holes 5 penetrate through the first flexible graphite gasket 2 and the second flexible graphite gasket 8, a connecting piece is convenient to mount during multi-stage mounting, and wave-shaped anti-slip patterns are respectively arranged on the circumferential side outer walls of the first flexible graphite gasket 2 and the second flexible graphite gasket 8.
First flexible graphite gasket 2 includes outer loop 12, the circumference side inner wall of outer loop 12 is provided with sealing ring 3, and outer loop 12 is equipped with bellied first interface 6 with the department that meets of sealing ring 3, the circumference side inner wall of sealing ring 3 is provided with inner ring 4, and second flexible graphite gasket 8 is similar with first flexible graphite gasket 2's structure, and the bottom of second flexible graphite gasket 8 is equipped with bellied second interface 9 downwards, guarantees that the function can stably realize.
The sealing ring 3 and the inner ring 4 as well as the sealing ring 3 and the outer ring 12 are bonded through bonding layers, and the mounting firmness is ensured.
The first interface 6 is matched with the second interface 9, and the second interface 9 can be sleeved and fixed in the first interface 6, so that the butt joint can be conveniently carried out when multistage installation is needed.
Rubber rings are arranged at the ports of the two sides of the connecting hole 5, so that the stability of the connecting piece during fixing is enhanced.
The working principle of the utility model is as follows: the utility model provides a multi-stage sealing graphite gasket with enhanced flexibility, which is characterized in that a sealing gasket body 1 is formed by a first flexible graphite gasket 2, a metal mesh plate 7 and a second flexible graphite gasket 8, so that the mechanical strength of the sealing gasket body 1 is increased, the service life of the sealing gasket body 1 is prolonged by multiple times, the leakage prevention capability of a sealing connecting piece is effectively improved, a sealing ring 3 can ensure good compression resilience, the problem that the sealing gasket body 1 is easy to leak under the working condition of high temperature and high pressure is solved, the integral sealing effect of the sealing gasket body 1 is ensured, and the sealing is more reliable and durable.
When the multistage sealed graphite gasket needs to be installed, two flexible graphite gasket rings are fixedly sleeved with a second interface 9 through a first interface 6, the connecting piece is utilized to penetrate through a connecting hole 5 for fastening, the two graphite gasket rings are respectively contacted with two sides of a connecting end, the two sides of the same graphite gasket ring are prevented from being extruded under the action of force at the same time, the graphite gasket ring can be prevented from being damaged due to uneven force, the convenience of installing the graphite gasket is further improved, in addition, the graphite gasket can be limited through an inner ring 4, the placing stability of a sealing ring 3 is guaranteed, the sealing effect of the graphite gasket can be guaranteed, the convenience of installing the sealed graphite gasket can be effectively improved through the mechanism, the situation that the two sides of the sealed graphite gasket are simultaneously extruded to cause damage due to uneven force can be avoided, and the service life of the sealed graphite gasket is prolonged.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (7)
1. A multistage sealed graphite gasket of flexibility reinforcing which characterized in that: including seal gasket body (1), seal gasket body (1) includes first flexible graphite gasket (2), the bottom of first flexible graphite gasket (2) is provided with metal mesh plate (7), the bottom of metal mesh plate (7) is provided with second flexible graphite gasket (8), and the inside of metal mesh plate (7) is provided with a plurality of burrs, and the burr extends to the both ends of first flexible graphite gasket (2) and sealing ring (3), the periphery of metal mesh plate (7) is around the even a plurality of connecting holes (5) that are equipped with in the centre of a circle, and connecting hole (5) run through first flexible graphite gasket (2) and second flexible graphite gasket (8), the circumference side outer wall of first flexible graphite gasket (2) and second flexible graphite gasket (8) is equipped with wavy antiskid line respectively.
2. An enhanced flexibility multistage seal graphite gasket as set forth in claim 1 wherein: first flexible graphite gasket (2) includes outer loop (12), the circumference side inner wall of outer loop (12) is provided with sealing ring (3), and outer loop (12) meet with sealing ring (3) and locate to be equipped with bellied first interface (6), the circumference side inner wall of sealing ring (3) is provided with inner ring (4), and second flexible graphite gasket (8) are similar with the structure of first flexible graphite gasket (2), and the bottom of second flexible graphite gasket (8) is equipped with downward bellied second interface (9).
3. An enhanced flexibility multistage seal graphite gasket as set forth in claim 2 wherein: the sealing ring (3) and the inner ring (4) as well as the sealing ring (3) and the outer ring (12) are bonded through bonding layers.
4. An enhanced flexibility multistage seal graphite gasket as set forth in claim 2 wherein: the first interface (6) is matched with the second interface (9), and the second interface (9) can be sleeved and fixed in the first interface (6).
5. An enhanced flexibility multistage seal graphite gasket as set forth in claim 3 wherein: the sealing ring (3) comprises a metal band (10), a flexible graphite band (11) is arranged at one end of the metal band (10), and the metal band (10) and the flexible graphite band (11) are wound in a staggered mode.
6. An enhanced flexibility multistage seal graphite gasket as set forth in claim 5 wherein: the flexible graphite belt (11) is formed by winding a single graphite belt.
7. An enhanced flexibility multistage seal graphite gasket as set forth in claim 1 wherein: and rubber rings are arranged at the ports of the two sides of the connecting hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468565.4U CN215410144U (en) | 2021-06-30 | 2021-06-30 | Multistage sealed graphite gasket of flexibility reinforcing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468565.4U CN215410144U (en) | 2021-06-30 | 2021-06-30 | Multistage sealed graphite gasket of flexibility reinforcing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410144U true CN215410144U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121468565.4U Active CN215410144U (en) | 2021-06-30 | 2021-06-30 | Multistage sealed graphite gasket of flexibility reinforcing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410144U (en) |
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2021
- 2021-06-30 CN CN202121468565.4U patent/CN215410144U/en active Active
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