CN218152311U

CN218152311U - Flexible graphite gasket structure with inner and outer ring embedded structure

Info

Publication number: CN218152311U
Application number: CN202221329824.XU
Authority: CN
Inventors: 刘飞; 耿惠珍
Original assignee: Yangzhong City Yonggong Seal Co ltd
Current assignee: Yangzhong City Yonggong Seal Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-27
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of flexible graphite gaskets, and discloses a flexible graphite gasket structure with an inner ring and outer ring embedded structure, which solves the problem that the elastic performance of the flexible graphite gasket is reduced after long-time sealing use, so that the sealing effect of the flexible graphite gasket is reduced when the flexible graphite gasket is used; the graphite flake comprises an upper graphite ring and a lower graphite ring clamped with the upper graphite ring, a middle ring groove is arranged in the upper graphite ring, and an elastic ring is arranged in the middle ring groove; the utility model discloses, can play good elastic support effect to the graphite flake through the elasticity circle that sets up, can guarantee graphite flake and sealed face cross-section contact to sealing performance when guaranteeing the graphite flake and using.

Description

Flexible graphite gasket structure with inner and outer ring embedded structure

Technical Field

The utility model belongs to the technical field of flexible graphite gasket, specifically be a flexible graphite gasket structure with interior outer ring gomphosis structure.

Background

According to the authorized bulletin number: CN209909150U, entitled "a flexible graphite gasket with concave circular arc inner and outer rings", though it realizes the protection of the inner wall and the outer wall of the flexible graphite gasket through the inner and outer ring embedding structure, because the flexible graphite gasket is in use, the time of it in sealing is long, so the following defects may occur:

after the flexible graphite gasket is used for a long time in a sealed mode, the elasticity performance of the flexible graphite gasket is reduced, and therefore the sealing effect of the flexible graphite gasket in the use process is reduced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a flexible graphite gasket structure with interior outer ring gomphosis structure, the effectual flexible graphite gasket of having solved is through long-time sealed use back, and its self elasticity performance can descend, consequently can reduce the problem of the sealed effect when it uses.

In order to achieve the above purpose, the utility model provides a following technical scheme: a flexible graphite gasket structure with an inner and outer ring embedded structure comprises a graphite sheet, wherein an outer ring body is arranged on the outer side of the graphite sheet, an inner ring body is arranged on the inner side of the graphite sheet, an inner groove is formed on the inner wall of the outer ring body, an outer groove is formed on the inner wall of the inner ring body, and the graphite sheet is positioned between the inner groove and the outer groove; the graphite flake includes last graphite ring and with the lower graphite ring of last graphite ring joint, goes up and has seted up well annular in the graphite ring, is equipped with the elasticity circle in the well annular.

Preferably, a middle bulge is formed on the lower graphite ring and clamped with the middle ring groove.

Preferably, graphite ring outer wall and inner wall all form the arc arch down, and the inner groove cell wall forms interior draw-in groove, and outer groove cell wall forms outer draw-in groove, and interior draw-in groove and outer draw-in groove respectively with two protruding joint of arc.

Preferably, the top end of the lower graphite ring is also provided with an inner protrusion and an outer protrusion, and the middle protrusion is positioned between the inner protrusion and the outer protrusion.

Preferably, an inner ring groove clamped with the inner protrusion and an outer ring groove clamped with the outer protrusion are formed on the upper graphite ring, and the middle ring groove is located between the inner ring groove and the outer ring groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1) In the work, the arranged elastic ring can play a good elastic supporting role on the graphite flake and can ensure that the graphite flake is contacted with the section of the sealing surface, thereby ensuring the sealing performance of the graphite flake when in use;

3) In operation, make through the multiple joint that sets up go up the graphite annulus and form a whole with graphite annulus down to be convenient for assemble the zhonghuan inslot to the elastic ring inside, cooperate two arc archs protruding with interior protruding and outer bellied joint, make down graphite annulus and outer annular and interior annular assemble together, thereby can make its each part can produce alone, be convenient for assemble the elastic ring.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural view of an outer ring body and an inner ring body in an embodiment of the present invention;

fig. 4 is a schematic view of a graphite sheet structure in an embodiment of the present invention;

fig. 5 is a schematic structural view of an upper graphite ring in an embodiment of the present invention;

in the figure: 1. a graphite sheet; 101. a graphite ring is arranged; 1011. a middle ring groove; 1012. an elastic ring; 1013. an inner ring groove; 1014. an outer ring groove; 102. a lower graphite ring; 1021. a middle bulge; 1022. an inner bulge; 1023. an outer protrusion; 2. an outer ring body; 201. an inner groove; 202. an inner clamping groove; 3. an inner ring body; 301. an outer groove; 302. an outer clamping groove.

Detailed Description

The technical solutions in 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 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.

In the first embodiment, as shown in fig. 1-5, the flexible graphite gasket structure with the inner-outer ring embedded structure of the present invention includes a graphite sheet 1, an outer ring body 2 is disposed on an outer side of the graphite sheet 1, an inner ring body 3 is disposed on an inner side of the graphite sheet 1, an inner groove 201 is formed on an inner wall of the outer ring body 2, an outer groove 301 is formed on an inner wall of the inner ring body 3, and the graphite sheet 1 is located between the inner groove 201 and the outer groove 301; the graphite flake 1 comprises an upper graphite ring 101 and a lower graphite ring 102 clamped with the upper graphite ring 101, a middle ring groove 1011 is formed in the upper graphite ring 101, an elastic ring 1012 is arranged in the middle ring groove 1011, and the elastic ring 1012 can be made of rubber; a middle bulge 1021 is formed on the lower graphite ring 102, and the middle bulge 1021 is clamped with the middle ring groove 1011;

when in use, the outer ring 2 can protect the outer wall of the graphite sheet 1, and the inner ring 3 can protect the inner wall of the graphite sheet 1; after long-time use, its self performance can reduce when graphite flake 1, at this moment can play good elastic support effect to graphite flake 1 through elasticity circle 1012, can guarantee graphite flake 1 and sealed face cross-sectional contact to sealing performance when guaranteeing graphite flake 1 to use.

Further, arc-shaped protrusions are formed on the outer wall and the inner wall of the lower graphite ring 102, an inner clamping groove 202 is formed on the groove wall of the inner groove 201, an outer clamping groove 302 is formed on the groove wall of the outer groove 301, and the inner clamping groove 202 and the outer clamping groove 302 are respectively clamped with the two arc-shaped protrusions;

the upper graphite ring 101 and the lower graphite ring 102 can be integrated through the multiple clamping, so that the elastic ring 1012 can be conveniently assembled in the middle ring groove 1011, and the operation is convenient.

In the second embodiment, on the basis of the first embodiment, the top end of the lower graphite ring 102 is further formed with an inner protrusion 1022 and an outer protrusion 1023, and the middle protrusion 1021 is located between the inner protrusion 1022 and the outer protrusion 1023; the upper graphite ring 101 is also provided with an inner ring groove 1013 clamped with the inner protrusion 1022 and an outer ring groove 1014 clamped with the outer protrusion 1023, and the middle ring groove 1011 is positioned between the inner ring groove 1013 and the outer ring groove 1014;

the lower graphite ring 102 can be assembled with the outer ring body 2 and the inner ring body 3 by the clamping of the two arc-shaped protrusions with the inner protrusion 1022 and the outer protrusion 1023, so that the components can be produced separately and then assembled together conveniently.

Claims

1. The utility model provides a flexible graphite gasket structure with interior outer ring gomphosis structure, includes graphite flake (1), and graphite flake (1) outside is equipped with outer ring body (2), and graphite flake (1) inboard is equipped with interior ring body (3), its characterized in that: an inner groove (201) is formed in the inner wall of the outer ring body (2), an outer groove (301) is formed in the inner wall of the inner ring body (3), and the graphite sheet (1) is located between the inner groove (201) and the outer groove (301); graphite flake (1) includes graphite ring (101) and with last graphite ring (101) joint lower graphite ring (102), goes up and has seted up well annular (1011) in graphite ring (101), is equipped with elastic ring (1012) in well annular (1011).

2. The flexible graphite gasket structure with the inner and outer ring embedded structure as claimed in claim 1, wherein: and a middle bulge (1021) is formed on the lower graphite ring (102), and the middle bulge (1021) is clamped with the middle ring groove (1011).

3. The flexible graphite gasket construction with inner and outer ring interfitting structures of claim 2, wherein: the outer wall and the inner wall of the lower graphite ring (102) form arc-shaped protrusions, the groove wall of the inner groove (201) forms an inner clamping groove (202), the groove wall of the outer groove (301) forms an outer clamping groove (302), and the inner clamping groove (202) and the outer clamping groove (302) are respectively connected with the two arc-shaped protrusions in a clamped mode.

4. The flexible graphite gasket structure with the inner and outer ring embedded structure as claimed in claim 3, wherein: the top end of the lower graphite ring (102) is also provided with an inner protrusion (1022) and an outer protrusion (1023), and the middle protrusion (1021) is positioned between the inner protrusion (1022) and the outer protrusion (1023).

5. The flexible graphite gasket structure with the inner and outer ring embedded structure as claimed in claim 4, wherein: an inner ring groove (1013) clamped with the inner protrusion (1022) and an outer ring groove (1014) clamped with the outer protrusion (1023) are further formed on the upper graphite ring (101), and the middle ring groove (1011) is located between the inner ring groove (1013) and the outer ring groove (1014).