CN220792035U - Tooth-shaped composite gasket - Google Patents

Abstract

The utility model provides a tooth-shaped composite gasket, which comprises: the sealing ring comprises a sealing ring main body and a plurality of replaceable metal sealing teeth, wherein the upper sealing surface and the lower sealing surface of the sealing ring main body are respectively provided with an inwards concave groove body, the replaceable metal sealing teeth are in one-to-one correspondence with the groove bodies, and the replaceable metal sealing teeth are detachably connected with the groove bodies. The replaceable metal seal teeth are made of soft metal. The replaceable metal seal teeth are in interference fit with the groove body. Further comprises: the sealing ring comprises a sealing ring body and a plurality of positioning sleeves, wherein the side wall of the sealing ring body is provided with a positioning plate in an extending mode, a threaded connection portion is arranged outside the positioning sleeves, the positioning sleeves are detachably connected with the positioning plate, and a rotation auxiliary groove is formed in the upper end of each positioning sleeve. Therefore, the old composite gasket can be maintained by replacing the metal sealing teeth, waste is reduced to save cost, and meanwhile, the installation and the positioning are convenient, and the installation, maintenance and repair efficiencies of the sealing gasket are improved.

Description

Tooth-shaped composite gasket

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to a tooth-shaped composite gasket.

Background

The sealing gasket is a sealing spare part for machinery, equipment and pipelines, and is used in places where fluid exists.

Chinese patent publication No. CN203067774U discloses a fishbone oblique tooth shaped metal gasket, which can have high rebound resilience by being pressed by a metal tooth ring, and can generate effective sealing compensation force, thereby improving sealing reliability.

However, when the metal gasket is stressed, the metal toothed ring is mainly stressed, and when the stressed pressure is overlarge, the tooth tip generates plastic deformation and cannot recover, so that the whole metal gasket needs to be replaced, and the cost is increased.

Disclosure of Invention

The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology.

Therefore, a first object of the present utility model is to provide a tooth-shaped composite gasket, which can perform product maintenance on old composite gaskets by replacing metal seal teeth, and reduce waste to save cost.

To achieve the above object, an embodiment of a first aspect of the present utility model provides a tooth-shaped composite pad, including: the sealing ring comprises a sealing ring main body and a plurality of replaceable metal sealing teeth, wherein the upper sealing surface and the lower sealing surface of the sealing ring main body are respectively provided with an inwards concave groove body, a plurality of replaceable metal sealing teeth are in one-to-one correspondence with a plurality of groove bodies, and the replaceable metal sealing teeth are detachably connected with the groove bodies.

The tooth-shaped composite gasket provided by the embodiment of the utility model can be used for maintaining the old composite gasket by replacing the metal sealing teeth, so that the waste is reduced, and the cost is saved.

In addition, the tooth-shaped composite gasket provided by the embodiment of the utility model can also have the following additional technical characteristics:

preferably, the replaceable metal seal teeth are made of soft metal.

Preferably, the replaceable metal seal teeth are in interference fit with the groove body.

Preferably, the method further comprises: the sealing ring comprises a sealing ring body and a plurality of positioning sleeves, wherein the side wall of the sealing ring body is provided with a positioning plate in an extending mode, a threaded connection portion is arranged outside the positioning sleeves, the positioning sleeves are detachably connected with the positioning plate, and a rotation auxiliary groove is formed in the upper end of each positioning sleeve.

Preferably, a plurality of mounting holes are formed in the positioning plate, the mounting holes correspond to the positioning sleeves one by one, connecting threads are formed in the wall of each mounting hole, and the positioning sleeves are in threaded connection with the mounting holes.

Preferably, the length of the positioning sleeve is smaller than the depth of the mounting hole.

Preferably, the rotation auxiliary grooves are two symmetrically arranged grooves, and a plurality of rotation auxiliary grooves are arranged at equal intervals around the central axis of the positioning sleeve.

Preferably, the sealing ring main body is a plate body with a positioning hole in the middle, and the positioning plate and the sealing ring main body are integrally formed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a tooth composite shim according to one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a tooth composite shim according to one embodiment of the present utility model;

FIG. 3 is a schematic top view of a tooth composite shim according to one embodiment of the present utility model;

FIG. 4 is a schematic view of a positioning sleeve according to one embodiment of the present utility model;

fig. 5 is a schematic view of a tooth-shaped composite spacer according to another embodiment of the present utility model.

Reference numerals: 1. a seal ring main body; 2. positioning the sleeve; 3. metal seal teeth; 4. a positioning plate; 5. a threaded connection; 6. a rotation auxiliary groove; 7. a mounting hole; 8. a connecting thread; 9. a groove body.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A tooth-shaped composite spacer according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1-5, the toothed composite pad according to an embodiment of the present utility model may include: the sealing ring comprises a sealing ring main body 1 and a plurality of positioning sleeves 2, wherein a plurality of replaceable metal sealing teeth 3 are respectively detachably arranged on two sealing surfaces of the sealing ring main body 1, and a positioning plate 4 is arranged on the side wall of the sealing ring main body 1 in an extending manner.

It will be appreciated that the replaceable metallic seal teeth 3 described in this embodiment, after being compressed, progressively conform to the pressing object (e.g., flange face) such that the sealing surface remains sealed by the bouncing force of the replaceable metallic seal teeth 3.

Further, the upper sealing surface and the lower sealing surface of the sealing ring main body 1 are respectively provided with an inwards concave groove body 9, a plurality of replaceable metal sealing teeth 3 are in one-to-one correspondence with the groove bodies 9, the replaceable metal sealing teeth 3 are detachably connected with the groove bodies 9, and the replaceable metal sealing teeth 3 are in interference fit with the groove bodies 9.

It will be appreciated that the replaceable metal seal teeth 3 described in this embodiment may be pressed into the corresponding grooves 9 by an interference fit, and the provision of a plurality of replaceable metal seal teeth 3 creates a labyrinth seal, creating a throttling effect for leakage prevention purposes.

The replaceable metal seal teeth 3 are made of soft metal.

It should be noted that, the soft metal described in this embodiment may be copper, silver, gold, aluminum, lead, tin, etc., and related personnel may select an appropriate soft metal according to different working conditions, after the tooth-shaped composite pad is used for a period of time, the replaceable metal seal teeth 3 generate plastic deformation which cannot be recovered, the replaceable metal seal teeth 3 (damaged) may be taken out from the groove body 9, the replaceable metal seal teeth 3 (new) may be clamped into the groove body 9, the replacement of the replaceable metal seal teeth 3 is completed, and the product maintenance is performed on the tooth-shaped composite pad by replacing the replaceable metal seal teeth 3, so that the waste is reduced to save the cost.

In one embodiment of the present utility model, as shown in fig. 2 and 4, the sealing ring main body 1 is a plate body with a positioning hole in the middle, and the positioning plate 4 is integrally formed with the sealing ring main body 1.

The outside of the positioning sleeve 2 is provided with a threaded connection part 5, the positioning sleeve 2 is detachably connected with the positioning plate 4, a plurality of mounting holes 7 are formed in the positioning plate 4, the mounting holes 7 are in one-to-one correspondence with the positioning sleeves 2, connecting threads 8 are arranged on the walls of the mounting holes 7, and the positioning sleeve 2 is in threaded connection with the mounting holes 7.

It should be noted that the positioning sleeve 2 described in this embodiment may have various sizes, and the outer diameters and the inner diameters of the positioning sleeves 2 of different sizes are the same.

Specifically, relevant personnel can select the locating sleeve 2 of suitable size according to specific operating mode, in the mode screw in locating plate 4's mounting hole 7 with locating sleeve 2 through threaded connection, carry out convenient change to locating sleeve 2, can carry out accurate location to sealing washer main part 1 through the locating sleeve 2 that uses suitable operating mode, make things convenient for relevant personnel to install.

Further, the pipe length dimension of the positioning sleeve 2 is smaller than the hole depth dimension of the mounting hole 7.

In one embodiment of the present utility model, as shown in fig. 4, the upper end of the positioning sleeve 2 is provided with two rotation auxiliary grooves 6, the rotation auxiliary grooves 6 are two symmetrically arranged grooves, and a plurality of rotation auxiliary grooves 6 are equally spaced around the central axis of the positioning sleeve 2.

Specifically, when the positioning sleeve 2 is installed on the installation hole 7, relevant personnel can clamp in the rotation auxiliary groove 6 through relevant tools (for example, a straight screwdriver, a customized square sheet and the like), and the positioning sleeve 2 can be rapidly rotated through being clamped on the rotation auxiliary groove 6, so that the installation of relevant personnel is facilitated, and the assembly efficiency of the sealing ring main body 1 is improved.

In summary, the utility model provides the tooth-shaped composite gasket, which can maintain the old composite gasket by replacing the metal sealing teeth, reduce waste to save cost, simultaneously facilitate installation and positioning, and improve the efficiency of installing, maintaining and maintaining the sealing gasket.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (8)

1. A tooth composite shim comprising: the sealing ring comprises a sealing ring main body and a plurality of replaceable metal sealing teeth, wherein the upper sealing surface and the lower sealing surface of the sealing ring main body are respectively provided with an inwards concave groove body, a plurality of replaceable metal sealing teeth are in one-to-one correspondence with a plurality of groove bodies, and the replaceable metal sealing teeth are detachably connected with the groove bodies.

2. The tooth form composite spacer as claimed in claim 1, wherein said replaceable metal seal teeth are of soft metal.

3. The tooth form composite spacer as claimed in claim 1, wherein said replaceable metal seal teeth are interference fit with said groove.

4. The tooth compound spacer as defined in claim 1, further comprising: the sealing ring comprises a sealing ring body and a plurality of positioning sleeves, wherein the side wall of the sealing ring body is provided with a positioning plate in an extending mode, a threaded connection portion is arranged outside the positioning sleeves, the positioning sleeves are detachably connected with the positioning plate, and a rotation auxiliary groove is formed in the upper end of each positioning sleeve.

5. The tooth-shaped composite gasket as claimed in claim 4, wherein a plurality of mounting holes are formed in the positioning plate, the plurality of mounting holes correspond to the plurality of positioning sleeves one by one, connecting threads are formed in the wall of each mounting hole, and the positioning sleeves are in threaded connection with the mounting holes.

6. The tooth compound spacer as defined in claim 5, wherein a tube length dimension of said locating sleeve is less than a bore depth dimension of said mounting bore.

7. The tooth-shaped composite spacer as claimed in claim 4, wherein said rotation auxiliary grooves are two symmetrically arranged grooves, and a plurality of rotation auxiliary grooves are arranged at equal intervals around the central axis of said positioning sleeve.

8. The tooth-shaped composite gasket as claimed in claim 4, wherein said seal ring body is a plate body with a centrally located locating hole, said locating plate being integrally formed with said seal ring body.