CN211118150U

CN211118150U - Large-scale wave tooth seal gasket

Info

Publication number: CN211118150U
Application number: CN201921937186.8U
Authority: CN
Inventors: 蒋毅
Original assignee: Wuxi Hushan Chemical Equipment Co ltd
Current assignee: Wuxi Hushan Chemical Equipment Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-28
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a large-scale ripples tooth seal gasket relates to sealed technical field, and its technical scheme main points are: including metal outer loop, metal inner loop, with metal outer loop, ripple ring, the ripple ring is equipped with flexible graphite pad, and metal inner loop, metal outer loop all are equipped with tight clamping ring, sticiss the ring and are equipped with small-size screw, and flexible graphite pad is equipped with the embedded groove, and sealed the pad is equipped with the recess, and metal inner loop, metal outer loop all are equipped with the constant head tank, sticiss the ring and are equipped with the locating piece, sticiss the ring and are equipped with the screw groove, the metal outer loop, sticis the ring component outer ring portion, and outer ring. By arranging the clamping ring and the small screws, when the flexible graphite pad is damaged, personnel only need to replace the damaged flexible graphite pad, and the sealing gasket is not required to be replaced integrally, so that the sealing gasket is saved; the embedded groove is arranged, so that the sealing effect of the sealing gasket on the end part of the pipeline is better; through setting up locating piece, constant head tank, the tight clamping ring of personnel's quick installation of being convenient for.

Description

Large-scale wave tooth seal gasket

Technical Field

The utility model relates to a sealed technical field, in particular to large-scale ripples tooth seal gasket.

Background

The corrugated tooth sealing gasket has the characteristics of high compression rebound rate and excellent sealing performance, and can be applied to various occasions of high temperature, high pressure and easy corrosion. The corrugated tooth sealing gasket is widely applied to flanges and joints of chemical plants, power plants, nuclear power plants and the like.

The present chinese utility model with the publication number CN202834060U discloses a corrugated laminated composite sealing gasket, which comprises at least two corrugated metal layers, a flexible graphite filling layer filled between the corrugated metal layers, and a flexible graphite sealing layer covering the corrugated metal layers outside the corrugated metal layers.

The above prior art solutions have the following drawbacks: the flexible graphite sealing layer of the sealing gasket can influence the sealing effect of the sealing gasket after being damaged, and the flexible graphite sealing layer and the sealing gasket are integrated, so that the sealing gasket is required to be integrally replaced, and waste is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a large-scale ripples tooth seal gasket, after the flexible graphite sealing layer is impaired, personnel need not to change this seal gasket is whole, comparatively practices thrift the cost.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a large-scale ripples tooth seal gasket, includes metal outer loop, metal inner ring, with metal outer loop, metal inner ring fixed connection's ripple ring, the ripple ring is located between metal outer loop and the metal inner ring, the transversal sinusoidal corrugate of personally submitting of ripple ring, the upper and lower both sides of ripple ring are equipped with annular flexible graphite pad, metal inner loop, metal outer loop all are equipped with and are used for sticising the clamping ring who fixes at self surface with flexible graphite pad both sides limit, it is equipped with small-size screw to sticis the ring, sticis the ring through small-size screw and metal inner ring, metal outer loop fixed connection.

Through above-mentioned technical scheme, sticis the setting of ring, small-size screw, makes the dismantled and assembled separation of flexible graphite pad, and after the damage of flexible graphite sealing layer, personnel's accessible rotates small-size screw and will sticiss the ring and demolish, changes impaired flexible graphite pad, and personnel need not the whole change of this seal gasket, comparatively practices thrift the cost.

Preferably, the outer surface of the flexible graphite pad is provided with an embedded groove for embedding the annular pipe end, the bottom wall of the embedded groove is used for abutting against the annular pipe end, and the side wall of the embedded groove is tightly attached to the side wall of the annular pipe end.

Through above-mentioned technical scheme, the setting up of embedded groove makes and forms labyrinth between flexible graphite pad and the outside cyclic annular pipe end, makes its sealed effect better.

Preferably, the notch of the embedding groove is flared.

Through above-mentioned technical scheme, the notch of embedded groove is flaring form, makes outside annular pipe end imbed in the embedded groove more easily.

Preferably, wave crests and wave troughs of the cross section of the corrugated ring are circular arcs, and grooves for embedding grains on the surface of the corrugated ring are formed in the surface, facing the corrugated ring, of the flexible graphite pad.

Through above-mentioned technical scheme, the setting up of recess makes the contact on flexible graphite pad and ripple ring surface inseparabler, makes it can be more stable fix on the surface of ripple ring.

Preferably, the surfaces of the metal inner ring and the metal outer ring are provided with positioning grooves for positioning and mounting of the pressing ring, and the pressing ring is provided with positioning blocks for embedding the positioning grooves.

Through above-mentioned technical scheme, the setting up of constant head tank, locating piece makes personnel can assemble the ring that sticiss more fast.

Preferably, the surface of clamping ring is equipped with the screw groove, small-size screw is arranged in the screw groove, the head of twisting of small-size screw does not bulge the notch of screw groove.

Through the technical scheme, the screw groove is arranged so that the screw is not easy to influence the installation of the sealing gasket.

Preferably, the metal outer ring and two pressing rings on the metal outer ring form an outer ring part, and two ends of the outer ring part are tapered ends.

Through above-mentioned technical scheme, the both ends of outer ring portion are the convergent end, and the setting up of convergent end is convenient for personnel to install this seal gasket in the standing groove of corresponding shape.

Preferably, the outer ring portion is provided with a notch facilitating installation and taking of the sealing gasket by personnel.

Through above-mentioned technical scheme, personnel can paste the finger on the inner wall of breach, take out this seal gasket from the installation, and is comparatively convenient.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

by arranging the clamping ring and the small screws, when the flexible graphite pad is damaged, personnel only need to replace the damaged flexible graphite pad, and the sealing gasket is not required to be replaced integrally, so that the sealing gasket is saved;

the embedded groove is arranged, so that the sealing effect of the sealing gasket on the end part of the pipeline is better;

through setting up locating piece, constant head tank, the tight clamping ring of personnel's quick installation of being convenient for.

Drawings

FIG. 1 is a perspective view of a large corrugated gasket seal according to an embodiment;

fig. 2 is a partial sectional view of the embodiment.

In the figure, 1, the outer ring part; 11. a metal outer ring; 12. tightly pressing the ring; 13. positioning a groove; 14. positioning blocks; 15; a tapered end; 16. a notch; 121. a small screw; 122. a screw groove; 2. a metal inner ring; 3. a corrugated ring; 4. a flexible graphite pad; 41. a groove is embedded; 42. a flared section; 43. and (4) a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a large-scale ripples tooth seal gasket, including metal outer loop 11, metal inner ring 2, with metal outer loop 11, metal inner ring 2 fixed connection's ripple ring 3, ripple ring 3 is located between metal outer loop 11 and the metal inner ring 2, and ripple ring 3 is transversal personally submits sinusoidal corrugate, and ripple ring 3's upper and lower both sides are equipped with annular flexible graphite pad 4.

The metal inner ring 2, the metal outer ring 11 all is equipped with and is used for sticising the ring 12 that sticiss fixing at self surperficial with flexible graphite pad 4 both sides limit, sticiss ring 12 and correspond metal inner ring 2, the metal outer ring 11 is equipped with four, the shape of ring 12 corresponds metal inner ring 2, the shape difference setting of metal outer ring 11, flexible graphite pad 4 is located between ring 12 and the metal inner ring 2 (metal outer ring 11) of sticising, flexible graphite pad 4's the wall of both sides back to hugging closely with the both sides wall that sticising ring 12 and metal inner ring 2 (metal outer ring 11) relatively respectively, ring 12 is sticis worn to be equipped with small-size screw 121 from the surface of metal inner ring 2 or metal outer ring 11, small-size screw 121 is equipped with four along the circumference interval that corresponds ring 12, ring 12 is through small-size screw 121 and metal inner ring. Tight clamping ring 12, small-size screw 121's setting, personnel's accessible rotates small-size screw 121 and demolishs tight clamping ring 12, changes impaired flexible graphite pad 4, and personnel need not the whole change of this seal gasket, comparatively practices thrift the cost.

Metal inner ring 2, the surface of metal outer loop 11 all is equipped with the constant head tank 13 that supplies to sticiss the installation of 12 location of ring, the surface of the interior ring 2 of metal (metal outer loop 11) of sticising ring 12 sets firmly the locating piece 14 that is used for embedding constant head tank 13, setting up of locating piece 14 makes personnel assemble the clamping ring 12 more fast, the surface of sticising ring 12 is equipped with screw groove 122, screw groove 122 corresponds small-size screw 121 and is provided with a plurality ofly, small-size screw 121 is arranged in screw groove 122, the head of twisting of small-size screw 121 does not bulge the notch of screw groove 122, the setting up of screw groove 122 makes the screw be difficult for causing the influence to this seal gasket.

The metal outer ring 11 and two clamping rings 12 respectively fixed on two end faces of the metal outer ring 11 form an outer ring 1, two ends of the outer ring 1 are tapered ends 15, and the diameters of the two tapered ends 15 are tapered towards the end part direction of the outer ring 1. The diameter convergent at 1 both ends of outer ring portion has the guide effect to this seal gasket's installation, and the personnel of being convenient for install this seal gasket in the standing groove of corresponding shape, and the outside side of outer ring portion 1 is equipped with the breach 16 of the personnel's installation of being convenient for this seal gasket of taking, and breach 16 is equipped with two along the circumference interval of outer ring portion 1, and personnel can paste the finger on the inner wall of breach 16, take out this seal gasket from the installation, and is comparatively convenient.

The outer surface of the flexible graphite pad 4 is provided with an embedded groove 41 for embedding an annular pipe end, the embedded groove 41 is annular, the circumferential direction of the embedded groove 41 is along the circumferential direction of the metal outer ring 11, the bottom wall of the embedded groove 41 is used for abutting against the external annular pipe end, and the side wall of the embedded groove 41 is tightly attached to the side wall of the annular pipe end. The setting of embedded groove 41 makes and forms labyrinth seal between flexible graphite pad 4 and the cyclic annular pipe end of outside, makes its sealed effect better, and embedded groove 41 is equipped with flaring section 42, and flaring section 42 is close to and includes the one end of notch for embedded groove 41, and the width of flaring section 42 is gradually expanded to the direction of notch along the tank bottom of embedded groove 41, and the setting of flaring section 42 makes the cyclic annular pipe end of outside more imbed in 41.

The crest and the trough of the cross section of ripple ring 3 are arc, and flexible graphite pad 4 is equipped with the recess 43 that supplies the 3 surperficial line of ripple ring to imbed towards the surface of ripple ring 3, and the shape of recess 43 is corresponding with the shape on ripple ring 3 surface, and the setting up of recess 43 makes the contact on flexible graphite pad 4 and ripple ring 3 surface inseparabler, makes it can be more stable fix on the surface of ripple ring 3.

Through setting up clamping ring 12, small-size screw 121, this seal gasket when flexible graphite pad 4 is impaired, personnel only need with the flexible graphite pad 4 change of damage can, need not to comparatively practice thrift this seal gasket whole change. Through setting up embedded groove 41, make this seal gasket better to the sealed effect of pipeline tip. Through setting up locating piece 14, constant head tank 13, the tight clamping ring 12 of personnel's quick installation of being convenient for.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A large-scale wave tooth seal gasket, characterized by: ripple ring (3) including metal outer ring (11), metal inner ring (2), with metal outer ring (11), metal inner ring (2) fixed connection, ripple ring (3) are located between metal outer ring (11) and metal inner ring (2), the transversal sinusoidal corrugate of personally submitting of ripple ring (3), the upper and lower both sides of ripple ring (3) are equipped with annular flexible graphite pad (4), metal inner ring (2), metal outer ring (11) all are equipped with and are used for sticising the tight clamping ring (12) of fixing at self surface with flexible graphite pad (4) both sides limit, tight clamping ring (12) are equipped with small-size screw (121), tight clamping ring (12) are through small-size screw (121) and metal inner ring (2), metal outer ring (11) fixed connection.

2. A large-scale corrugated gasket seal according to claim 1, wherein: the outer surface of the flexible graphite pad (4) is provided with an embedded groove (41) for embedding the annular pipe end, the bottom wall of the embedded groove (41) is used for abutting against the annular pipe end, and the side wall of the embedded groove (41) is tightly attached to the side wall of the annular pipe end.

3. A large corrugated sealing gasket according to claim 2, wherein: the notch of the embedding groove (41) is flared.

4. A large-scale corrugated gasket seal according to claim 1, wherein: the wave crests and the wave troughs of the cross sections of the corrugated rings (3) are arc-shaped, and grooves (43) for embedding surface grains of the corrugated rings (3) are formed in the surfaces, facing the corrugated rings (3), of the flexible graphite pads (4).

5. A large-scale corrugated gasket seal according to claim 1, wherein: the surface of metal inner ring (2), metal outer ring (11) all is equipped with confession and sticiss constant head tank (13) that ring (12) location was installed, clamping ring (12) are equipped with locating piece (14) that are used for imbedding constant head tank (13).

6. A large-scale corrugated gasket seal according to claim 1, wherein: the surface of clamping ring (12) is equipped with screw groove (122), small-size screw (121) are arranged in screw groove (122), the head of screwing of small-size screw (121) does not bulge the notch of screw groove (122).

7. A large-scale corrugated gasket seal according to claim 1, wherein: the metal outer ring (11) and two clamping rings (12) positioned on the metal outer ring (11) form an outer ring part (1), and two ends of the outer ring part (1) are tapered ends (15).

8. A large-scale corrugated gasket seal according to claim 7, wherein: the outer ring part (1) is provided with a notch (16) which is convenient for personnel to install and take the sealing gasket.