Metal graphite spiral wound gasket

Abstract

The utility model discloses a metal graphite spiral wound gasket which comprises an inner ring, a first elastic rubber column is filled in the inner ring, an inner steel belt is fixedly sleeved on the circumferential outer wall of the inner ring, an outer steel belt is arranged on the circumferential outer wall of the inner steel belt, and an outer ring is fixedly sleeved on the circumferential outer wall of the outer steel belt. A plurality of reinforcing ribs are fixedly connected between the inner steel belt and the outer steel belt, a sealing cavity is formed among the inner steel belt, the outer steel belt and the reinforcing ribs and filled with graphite and second elastic rubber columns, elastic cushion blocks are bonded to the top and the bottom of the sealing cavity, the inner ring is of a hollow structure, and the outer ring is of a solid structure. The first elastic rubber column is of an annular structure, and the first elastic rubber column is matched with the inner ring in specification. The strength of the metal graphite spiral wound gasket is enhanced through the reinforcing ribs, so that damage to the metal graphite spiral wound gasket is reduced, and the sealing performance of the metal graphite spiral wound gasket is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing materials, in particular to a metal graphite wound gasket. Background Art

[0002] The metal graphite wound gasket is the gasket with the best resilience among semi-metal gaskets, and is widely used in petrochemical, machinery, electric power, metallurgy, shipbuilding, medicine, atomic energy and aerospace departments.

[0003] At present, for the existing metal graphite wound gasket, the internal filling material is an elastic material, so that the filling structure is soft and the strength is poor, resulting in poor sealing effect. Therefore, a metal graphite wound gasket is proposed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a metal graphite wound gasket to solve the problems of soft filling structure and poor strength in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A metal graphite wound gasket includes an inner ring, in which a first elastic rubber column is filled. An inner steel belt is fixedly sleeved on the circumferential outer wall of the inner ring. An outer steel belt is arranged on the circumferential outer wall of the inner steel belt. An outer ring is fixedly sleeved on the circumferential outer wall of the outer steel belt. A plurality of reinforcing ribs are fixedly connected between the inner steel belt and the outer steel belt. A sealing cavity is formed between the inner steel belt, the outer steel belt and the reinforcing ribs. Graphite and a second elastic rubber column are filled in the sealing cavity. Elastic cushion blocks are bonded to both the top and the bottom of the sealing cavity.

[0007] Further, the inner ring is of a hollow structure.

[0008] Further, the outer ring is of a solid structure.

[0009] Further, the first elastic rubber column is of an annular structure and is adapted to the inner ring in specification.

[0010] Further, the graphite is arranged around the second elastic rubber column.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The strength of the metal graphite wound gasket is enhanced by the reinforcing ribs, thus reducing the damage of the metal graphite wound gasket and further ensuring the sealing performance of the metal graphite wound gasket.

[0013] 2. The metal graphite wound gasket has good elasticity due to the elastic cushion blocks, the first elastic rubber column and the second elastic rubber column, so as to better use the metal graphite wound gasket. Brief Description of the Drawings

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a metal graphite wound gasket proposed by the present utility model;

[0015] Figure 2 This is a partial sectional structural schematic diagram of a metal graphite wound gasket proposed by the present utility model;

[0016] Figure 3 This is a partial top view sectional structural schematic diagram of a metal graphite wound gasket proposed by the present utility model.

[0017] In the figure: 1, inner ring; 2, inner steel strip; 3, elastic cushion block; 4, outer steel strip; 5, outer ring; 6, first elastic rubber column; 7, sealing cavity; 8, second elastic rubber column; 9, reinforcing rib. Detailed Description of the Preferred Embodiment

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] Refer to Figures 1-3 , a metal graphite wound gasket, including an inner ring 1, the inner ring 1 is filled with a first elastic rubber column 6, the circumferential outer wall of the inner ring 1 is fixedly sleeved with an inner steel strip 2, the circumferential outer wall of the inner steel strip 2 is provided with an outer steel strip 4, the circumferential outer wall of the outer steel strip 4 is fixedly sleeved with an outer ring 5, a plurality of reinforcing ribs 9 are welded between the inner steel strip 2 and the outer steel strip 4, the strength of the metal graphite wound gasket is enhanced through the reinforcing ribs 9, thereby reducing the damage of the metal graphite wound gasket, and further ensuring the sealing performance of the metal graphite wound gasket. A sealing cavity 7 is formed between the inner steel strip 2, the outer steel strip 4 and the reinforcing ribs 9, the sealing cavity 7 is filled with graphite and a second elastic rubber column 8, and elastic cushion blocks 3 are bonded to both the top and the bottom of the sealing cavity 7. The metal graphite wound gasket has good elasticity through the elastic cushion blocks 3, the first elastic rubber column 6 and the second elastic rubber column 8.

[0020] The inner ring 1 is of a hollow structure, so as to facilitate filling the first elastic rubber column 6 into the inner ring 1. The outer ring 5 is of a solid structure. The first elastic rubber column 6 is of an annular structure, and the first elastic rubber column 6 is adapted to the inner ring 1 in terms of specifications. The graphite is arranged around the second elastic rubber column 8.

[0021] The working principle of this embodiment: When in use, the strength of the metal graphite wound gasket is enhanced through the reinforcing ribs 9, thereby reducing the damage of the metal graphite wound gasket, and further ensuring the sealing performance of the metal graphite wound gasket. Then, the metal graphite wound gasket has good elasticity through the elastic cushion blocks 3, the first elastic rubber column 6 and the second elastic rubber column 8.

[0022] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A metal graphite wound gasket, comprising an inner ring (1), characterized in that, The inner ring (1) is filled with first elastic rubber columns (6). An inner steel belt (2) is fixedly sleeved on the circumferential outer wall of the inner ring (1). An outer steel belt (4) is arranged on the circumferential outer wall of the inner steel belt (2). An outer ring (5) is fixedly sleeved on the circumferential outer wall of the outer steel belt (4). A plurality of reinforcing ribs (9) are fixedly connected between the inner steel belt (2) and the outer steel belt (4). A sealing cavity (7) is formed among the inner steel belt (2), the outer steel belt (4) and the reinforcing ribs (9). The sealing cavity (7) is filled with graphite and second elastic rubber columns (8). Elastic cushion blocks (3) are bonded to both the top and the bottom of the sealing cavity (7).

2. A metal graphite wound gasket according to claim 1, characterized in that, The inner ring (1) is of a hollow structure.

3. A metal graphite wound gasket according to claim 1, characterized in that, The outer ring (5) is of a solid structure.

4. A metal graphite wound gasket according to claim 1, characterized in that, The first elastic rubber columns (6) are of an annular structure and are adapted to the inner ring (1) in specification.

5. A metal graphite wound gasket according to claim 1, characterized in that, The graphite is arranged around the second elastic rubber columns (8).

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