CN217355543U

CN217355543U - Graphite wound gasket with inner ring and outer ring and stable sealing performance

Info

Publication number: CN217355543U
Application number: CN202220015777.5U
Authority: CN
Inventors: 张崇志; 刘海旺
Original assignee: RENQIU JINGKAI PIPE FITTINGS MANUFACTURING CO LTD
Current assignee: RENQIU JINGKAI PIPE FITTINGS MANUFACTURING CO LTD
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-09-02
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to a graphite gasket technical field just discloses a graphite wound gasket of in-band outer loop that sealing performance is stable, including main structure body, main structure body's the outside is provided with the outer loop, the inboard cover of outer loop is equipped with the graphite gasket, the inside cover of graphite gasket is equipped with the inner ring, the outside of graphite gasket evenly is provided with the outer sand grip of multiunit, the inboard of graphite gasket evenly is provided with sand grip in the multiunit. The utility model discloses a, through the outside that makes outer damping ring overlap to graphite shim through mutually supporting of outer sand grip and inner groovy, the mutual cooperation cover of interior damping ring process interior sand grip and outer recess is inboard to graphite shim to utilize outer sand grip, inner groovy, interior sand grip and outer recess to increase the area of contact between outer damping ring and interior damping ring and the graphite shim, increased the frictional resistance between outer damping ring and interior damping ring and the graphite shim, avoided outer damping ring and the speed that interior damping ring drops from graphite shim edge, improved stability.

Description

Graphite wound gasket with inner ring and outer ring and stable sealing performance

Technical Field

The utility model relates to a graphite gasket technical field specifically is a graphite wound gasket of in-band outer loop that sealing performance is stable.

Background

The graphite gasket is formed by cutting or punching a pure graphite plate or a metal (toothed plate, flat plate, net) reinforced graphite plate, and has a plurality of excellent sealing performances, such as: the graphite cutting gasket is made of pure graphite plates by punching or cutting, has good corrosion resistance, high/low temperature resistance, good compression resilience and high strength, and is widely applied to pipelines, valves, pumps, pressure containers, heat exchangers, condensers, generators, air compressors, exhaust pipes, refrigerating machines and the like.

However, the contact area of the fitting position between the outer edge of the existing graphite gasket with the outer edge is small, so that the frictional resistance between the graphite gasket and the outer edge is small, the graphite gasket is easy to fall off, the use stability of the graphite gasket is reduced to a certain extent, the whole graphite gasket needs to be replaced after the edge of the graphite gasket is worn, the cost is increased to a certain extent, and the utilization rate is reduced.

Therefore, the graphite wound gasket with the inner ring and the outer ring and with stable sealing performance is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a graphite wound gasket of in-band outer loop that sealing performance is stable, it is less with the area of contact of the laminating position department of graphite gasket to have solved the outer borduring of the graphite gasket that has now outer borduring, thereby make the frictional resistance between graphite gasket and the outsourcing limit less, very easily drop, the stability in use of graphite gasket has been reduced to a certain extent, need change whole graphite gasket after the edge wear of graphite gasket, the cost has been increased to a certain extent, the problem of the rate of utilization has been reduced.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a graphite wound gasket of in-band outer loop that sealing performance is stable, includes the main structure body, the outside of main structure body is provided with the outer loop, the inboard cover of outer loop is equipped with the graphite gasket, the inside cover of graphite gasket is equipped with the inner ring, the outside of graphite gasket evenly is provided with the outer sand grip of multiunit, the inboard of graphite gasket evenly is provided with sand grip in the multiunit.

Further, the outer ring includes outer damping ring, the inboard of outer damping ring evenly is provided with multiunit and evagination assorted inner groovy, the outside of outer damping ring is provided with the second smooth surface.

Furthermore, the inner ring comprises an inner damping ring, a plurality of groups of outer grooves matched with the inner convex strips are uniformly formed in the outer side of the inner damping ring, and a first smooth surface is arranged on the inner side of the inner damping ring.

Furthermore, the outer damping ring is detachably connected with the graphite gasket through the mutual matching of the outer convex strips and the inner grooves.

Furthermore, the inner damping ring is detachably connected with the graphite gasket through the mutual matching of the inner convex strip and the outer groove.

Furthermore, outer sand grip, inner groovy, interior sand grip and outer recess all are the arc structure.

The utility model has the advantages that:

1. the utility model discloses a, graphite shim through setting up, outer sand grip, interior damping ring, outer recess, outer damping ring and inner groovy, outer damping ring is through mutually supporting the cover to graphite shim's the outside of outer sand grip and inner groovy, interior damping ring is through mutually supporting cover to graphite shim inboardly of interior sand grip and outer recess, thereby utilize outer sand grip, the inner groovy, interior sand grip and outer recess have increased the area of contact between outer damping ring and interior damping ring and the graphite shim, frictional resistance between outer damping ring and interior damping ring and the graphite shim has been increased to a certain extent, the speed that outer damping ring and interior damping ring drop from graphite shim edge has been avoided, graphite shim's stability in use has been improved to a certain extent.

2. The utility model discloses a, graphite gasket through setting up, outer sand grip, interior damping ring, outer recess, outer damping ring and inner groovy, when graphite gasket's edge is impaired, generally only interior damping ring receives certain friction with outer damping ring, in the maintenance in later stage, only need shift out graphite gasket with the outer recess on the interior damping ring along the inboard interior sand grip of graphite gasket, thereby the interior damping ring of renewal, then shift out graphite gasket with the inner groovy on the outer damping ring along the outer sand grip in the graphite gasket outside, the outer damping ring of renewal, thereby make graphite gasket can repeatedly utilize, the cost is reduced to a certain extent, the rate of utilization has been improved.

Drawings

FIG. 1 is a schematic view of the graphite gasket of the present invention;

FIG. 2 is a schematic view of a partial structure of the graphite gasket of the present invention;

FIG. 3 is a schematic structural view of the inner ring of the present invention;

fig. 4 is a schematic structural diagram of the outer ring of the present invention.

In the figure: 1. a structural body; 2. a graphite gasket; 3. an outer convex strip; 4. inner convex strips; 5. an inner ring; 501. an inner damping ring; 502. an outer groove; 503. a first smooth face; 6. an outer ring; 601. an outer damping ring; 602. an inner groove; 603. a second smooth surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: the utility model provides a graphite wound gasket of in-band outer loop that sealing performance is stable, includes main structure 1, main structure 1's the outside is provided with outer loop 6, and the inboard cover of outer loop 6 is equipped with

graphite gasket

2, and 2 inboard covers of graphite gasket are equipped with inner ring 5, and graphite gasket 2's the outside evenly is provided with the outer sand grip 3 of multiunit, and graphite gasket 2's inboard evenly is provided with sand grip 4 in the multiunit.

The utility model discloses a, outer damping ring 601 is through mutually supporting cover to graphite gasket 2's the outside of outer sand grip 3 and inner groove 602, inner damping ring 501 is through mutually supporting cover to graphite gasket 2 inboard of interior sand grip 4 and outer recess 502, thereby utilize outer sand grip 3, inner groove 602, interior sand grip 4 and outer recess 502 have increased the area of contact between outer damping ring 601 and interior damping ring 501 and graphite gasket 2, frictional resistance between outer damping ring 601 and interior damping ring 501 and graphite gasket 2 has been increased to a certain extent, the speed that outer damping ring 601 and interior damping ring 501 drop from graphite gasket 2 edge has been avoided, graphite gasket 2's stability in use has been improved to a certain extent.

Referring to fig. 1 and 4, the outer ring 6 includes an outer damping ring 601, a plurality of inner grooves 602 matching with the outer protrusions 3 are uniformly formed on the inner side of the outer damping ring 601, a second smooth surface 603 is formed on the outer side of the outer damping ring 601, and the outer protrusions 3 and the inner grooves 602 increase the contact area and the frictional resistance between the outer damping ring 601 and the graphite gasket 2.

Referring to fig. 2 and 3 again, the inner ring 5 includes an inner damping ring 501, a plurality of sets of outer grooves 502 matching with the inner convex strips 4 are uniformly formed on the outer side of the inner damping ring 501, a first smooth surface 503 is formed on the inner side of the inner damping ring 501, and the contact area and the frictional resistance between the inner damping ring 501 and the graphite gasket 2 are increased by the inner convex strips 4 and the outer grooves 502.

Please refer to fig. 1 and 4, the outer damping ring 601 is detachably connected to the graphite gasket 2 by the mutual engagement of the outer protrusions 3 and the inner grooves 602, and the outer damping ring 601 is detachably connected to the graphite gasket 2 by the mutual engagement of the outer protrusions 3 and the inner grooves 602, thereby facilitating the replacement of the outer damping ring 601.

Please refer to fig. 2 and 3, the inner damping ring 501 is detachably connected to the graphite gasket 2 by the mutual engagement of the inner protrusion 4 and the outer groove 502, and the inner damping ring 501 is detachably connected to the graphite gasket 2 by the mutual engagement of the inner protrusion 4 and the outer groove 502, thereby facilitating the replacement of the inner damping ring 501.

Please refer to fig. 1, 2, 3 and 4, the outer protrusion 3, the inner groove 602, the inner protrusion 4 and the outer groove 502 are all arc-shaped structures, and the outer protrusion 3, the inner groove 602, the inner protrusion 4 and the outer groove 502 which are arc-shaped structures are utilized to conveniently sleeve the outer damping ring 601 and the inner damping ring 501 to the outer side and the inner side of the graphite gasket 2 in a slightly rotating manner, so that the outer damping ring 601 and the inner damping ring 501 are sleeved to the outer side of the graphite gasket 2 more labor-saving, and the difficulty of work is reduced.

To sum up, the utility model discloses when using, the cover that mutually supports to graphite gasket 2's outside through outer sand grip 3 and inner groove 602 of outer damping ring 601, inner damping ring 501 is through mutually supporting of interior sand grip 4 and outer recess 502 overlaps to graphite gasket 2 inboardly, thereby utilize outer sand grip 3, inner groove 602, interior sand grip 4 and outer recess 502 have increased the area of contact between outer damping ring 601 and inner damping ring 501 and graphite gasket 2, frictional resistance between outer damping ring 601 and inner damping ring 501 and graphite gasket 2 has been increased to a certain extent, the rate that outer damping ring 601 and inner damping ring 501 drop from graphite gasket 2 edge has been avoided, graphite gasket 2's stability in use has been improved to a certain extent, and when graphite gasket 2's edge is impaired, generally only inner damping ring 501 and outer damping ring 601 receive certain friction, in the maintenance in later stage, only need shift out graphite gasket 4 along graphite gasket 2 inboard inner convex of outer recess 502 on the damping ring 501 2 to change new interior damping ring 501, then shift out graphite gasket 2 with inner groovy 602 on the outer damping ring 601 along the outer convex strip 3 in the graphite gasket 2 outside, change new outer damping ring 601, thereby make graphite gasket 2 can repeatedly utilize, the cost is reduced to a certain extent, the rate of utilization has been improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a graphite wound gasket of in-band outer loop that sealing performance is stable, includes main structure (1), its characterized in that: the outside of main structure body (1) is provided with outer ring (6), the inboard cover of outer ring (6) is equipped with graphite gasket (2), graphite gasket (2) inboard cover is equipped with inner ring (5), the outside of graphite gasket (2) evenly is provided with outer sand grip of multiunit (3), sand grip (4) in the multiunit evenly is provided with in the inboard of graphite gasket (2).

2. The graphite wound gasket with inner and outer rings having stable sealing properties as claimed in claim 1, wherein: outer ring (6) are including outer damping ring (601), the inboard of outer damping ring (601) evenly is provided with multiunit and outer sand grip (3) assorted inner groovy (602), the outside of outer damping ring (601) is provided with second smooth surface (603).

3. The graphite wound gasket with inner and outer rings having stable sealing properties as claimed in claim 1, wherein: inner ring (5) are including interior damping ring (501), the outside of interior damping ring (501) evenly is provided with outer recess (502) of multiunit and interior sand grip (4) assorted, the inboard of interior damping ring (501) is provided with first smooth surface (503).

4. The graphite wound gasket with inner and outer rings having stable sealing properties as claimed in claim 2, wherein: the outer damping ring (601) is detachably connected with the graphite gasket (2) through mutual matching of the outer convex strips (3) and the inner grooves (602).

5. The graphite wound gasket with inner and outer rings having stable sealing properties as claimed in claim 3, wherein: the inner damping ring (501) is detachably connected with the graphite gasket (2) through mutual matching of the inner convex strip (4) and the outer groove (502).

6. The graphite wound gasket with inner and outer rings having stable sealing properties as claimed in claim 2, wherein: the outer convex strip (3), the inner groove (602), the inner convex strip (4) and the outer groove (502) are all arc-shaped structures.