Novel metal spiral wound gasket

Abstract

The utility model discloses a novel metal spiral wound gasket which comprises an inner ring, an outer ring and a sealing gasket arranged between the inner ring and the outer ring, the whole sealing gasket is formed by mutually winding a metal belt and a non-metal belt formed by non-metal padding, the section of the sealing gasket is in a V shape, the whole outer ring is composed of two ring bodies with the same diameter, and the two ring bodies are in a V shape. The sealing gasket has the advantages that it can be guaranteed that the inner wall of the outer ring is tightly connected with the outer wall of the sealing gasket, meanwhile, installation of the outer ring is facilitated, and production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the gasket related technical field, concretely to a novel metal winding gasket. BACKGROUND

[0002] Metal winding gasket has been widely applied in petroleum chemical industry and other fields, and has very good use effect. The metal winding gasket is formed by the mutual overlapping of V-shaped or W-shaped metal band and non-metal band, and is fixed by spot welding at the beginning and end. The metal winding gasket assembly is divided into four types, in addition to the basic type, the commonly used types include the type with inner ring, the type with centering ring, and the type with both inner ring and centering ring. The type with inner ring refers to that the inner ring is embedded in the inner circle of the metal winding gasket; the type with centering ring refers to that the centering ring is sleeved on the outer circle of the metal winding gasket; and the type with both inner ring and centering ring refers to that the inner ring is embedded in the inner circle of the metal winding gasket, and the centering ring is also sleeved on the outer circle.

[0003] In order to ensure the stability of the sealing gasket, an outer ring is generally arranged on the outer side of the sealing gasket, and when the cross-sectional shape of the sealing gasket is V-shaped or W-shaped, the outer ring as a whole cannot be quickly installed on the outer side of the sealing gasket, which affects the production efficiency. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a novel metal winding gasket to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel metal winding gasket, comprising an inner ring, an outer ring, and a sealing gasket arranged between the inner ring and the outer ring, the sealing gasket is formed by the mutual winding of a metal band and a non-metal band formed by a non-metal filler, the cross section of the sealing gasket is V-shaped, the outer ring as a whole is composed of two ring bodies with the same diameter, and the two ring bodies are connected through a connecting mechanism.

[0006] Preferably, the inner side surface of the ring body is provided as an inclined surface, and the inclined surfaces of the two ring bodies jointly form a V-shaped groove of the inner wall of the outer ring, which cooperates with the outer side of the sealing gasket.

[0007] Preferably, the inner side of the edge of the two ring bodies is provided with a step surface, and the two step surfaces form a mounting groove of the side surface of the outer ring, and the connecting mechanism is arranged in the mounting groove.

[0008] Preferably, the connecting mechanism comprises a plurality of fixing rods and a clamp, which are uniformly arranged on the surface of the step surface, the middle part of the outer side of each fixing rod is provided with a fixing block, the surface of the fixing block is provided with a clamping groove, and the clamp is arranged in the clamping groove.

[0009] Preferably, the length of the fixing rod is equal to the width of the mounting groove.

[0010] Preferably, the thickness of the outer ring is less than or equal to the thickness of the sealing gasket.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 by with two same diameter ring body constitutes the outer ring, the inner surface of ring body and the outside of sealing gasket are connected closely, and the connecting mechanism is arranged in the installation groove of outer ring, when assembling, not only can ensure that the inner wall of outer ring and the outer wall of sealing gasket are connected closely, but also facilitate the installation of outer ring, greatly improve production efficiency;

[0013] 2、 by making the thickness of the subsequent outer ring less than or equal to the thickness of the sealing gasket, so that in the installation process, the surface of the sealing gasket and the contact surface can be effectively ensured to be closely fitted, and the sealing effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structural schematic diagram of the utility model;

[0015] Figure 2 It is the overall cross-sectional view of the utility model;

[0016] Figure 3 It is the structural schematic diagram of the outer ring of the utility model;

[0017] Figure 4 It is the structural schematic diagram of the connecting mechanism of the utility model.

[0018] In the drawing: 1, inner ring;2, outer ring;3, sealing gasket;4, ring body;5, inclined plane;6, V-shaped groove;7, step surface;8, installation groove;9, fixed rod;10, clamp;11, fixed block;12, clamping groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4The utility model provides a technical scheme: a novel metal winding gasket, including inner ring 1, outer ring 2 and the sealing washer 3 of setting between inner ring 1, outer ring 2, the sealing washer 3 is formed by the mutual winding of metal band, nonmetallic filler formed nonmetallic band whole, the cross section of sealing washer 3 is V type, the outer ring 2 is formed by two ring body 4 of same diameter, two ring body 4 are connected through connecting mechanism.

[0021] The inner side surface of ring body 4 is provided as inclined plane 5, and the inclined plane 5 of two ring body 4 forms V-shaped groove 6 of inner wall of outer ring 2 together, and the V-shaped groove 6 cooperates with the outer side of sealing washer 3.

[0022] The inner side of the edge of two ring body 4 is provided with step surface 7, and two step surfaces 7 form mounting groove 8 of the side of outer ring 2, and the connecting mechanism is arranged in mounting groove 8.

[0023] The connecting mechanism includes several fixed rods 9 and clamps 10 arranged on the surface of step surface 7, the middle part of several fixed rods 9 is provided with fixed block 11 on the outer side, the surface of fixed block 11 is provided with clamping groove 12, and the clamp 10 is arranged in clamping groove 12.

[0024] The length of fixed rod 9 is equal to the width of mounting groove 8.

[0025] The thickness of outer ring 2 is less than or equal to the thickness of sealing washer 3.

[0026] Specifically, when the utility model is used, the metal band and the nonmetallic band formed by nonmetallic material are wound on the outer side of inner ring 1 to form sealing washer 3, two ring body 4 are arranged on the outer side of sealing washer 3 on the upper and lower sides, the fixed rods 9 of two ring body 4 are misaligned and aligned to make two ring body 4 close to each other, and outer ring 2 is formed on the outer side of sealing washer 3, at this time, the clamping grooves 12 on the outer side of several fixed blocks 11 are all on the same plane, and finally the clamp 10 is arranged in clamping groove 12 to complete the fixation of two ring body 4.

Claims

1. A new type of metal wound gasket comprising an inner ring (1), an outer ring (2) and a sealing washer (3) disposed between the inner ring (1) and the outer ring (2), characterized in that: The sealing gasket (3) is formed by winding a metal band and a non-metal band together, the cross section of the sealing gasket (3) is V-shaped, the outer ring (2) is formed by two ring bodies (4) with the same diameter, and the two ring bodies (4) are connected by a connecting mechanism.

2. A novel metal wound gasket as claimed in claim 1, wherein: The inner side surface of the ring body (4) is provided with a slope (5), the slopes (5) of the two ring bodies (4) jointly form a V-shaped groove (6) of the inner wall of the outer ring (2), and the V-shaped groove (6) is matched with the outer side of the sealing gasket (3).

3. A novel metal wound gasket as claimed in claim 1, wherein: The inner side of the edge of the two ring bodies (4) is provided with a step surface (7), the two step surfaces (7) form a mounting groove (8) of the side surface of the outer ring (2), and the connecting mechanism is arranged in the mounting groove (8).

4. A novel metal wound gasket as claimed in claim 3, wherein: The connecting mechanism comprises a plurality of fixed rods (9) and a clamp (10) which are uniformly arranged on the surface of the step surface (7), the middle part of the fixed rod (9) is provided with a fixed block (11) on the outer side, the surface of the fixed block (11) is provided with a clamping groove (12), and the clamp (10) is arranged in the clamping groove (12).

5. A novel metal wound gasket as claimed in claim 4, wherein: The length of the fixed rod (9) is equal to the width of the mounting groove (8).

6. A novel metal wound gasket as claimed in claim 1, wherein: The thickness of the outer ring (2) is less than or equal to the thickness of the sealing gasket (3).

Images