A flexible composite gasket

Abstract

The present application relates to a kind of flexible composite gasket, comprising: first medium, second medium, net structure and ring silk;The transition position between the first medium and the second medium is mixed with each other;The content of the second medium gradually increases from inside to outside in the transition position between the first medium and the second medium;The net structure is laid in the first medium position, the transition position between the first medium and the second medium;The ring silk is around setting in the transition position between the first medium and the second medium;The inner side and the outer side of the net structure extend respectively and are around setting on each ring silk.The performance of the existing scheme can be reduced to solve the problem that the adhesion agent causes the graphite to fall off or crack, so that the metal gasket is exposed to oxidation and corrosion, and the sealing performance of the flexible composite gasket can be reduced.

Description

Technical Field

[0001] This invention relates to the field of gaskets, and more particularly to a flexible composite gasket. Background Technology

[0002] Traditional flexible composite gaskets are made by coating graphite onto the surface of a metal gasket with an adhesive, followed by pressing and molding. Flexible composite gaskets manufactured in this way have a graphite thickness of 0.2 mm.

[0003] Because of the high hardness of the metal gasket, a high preload is required during installation, the installation location will generate a certain temperature, and the medium flowing at the installation location is also somewhat corrosive.

[0004] Graphite is coated with an adhesive. Under the influence of pre-tightening force and high temperature environment, the performance of the adhesive will decrease, causing the graphite to fall off or crack, which exposes the metal gasket and causes oxidation and corrosion, thus reducing the sealing performance of the flexible composite gasket.

[0005] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Summary of the Invention

[0006] In view of the shortcomings of the prior art, the purpose of this invention is to provide a flexible composite gasket to solve the problem that the performance of the adhesive in the prior art deteriorates, causing graphite to fall off or crack, resulting in the exposure of the metal gasket for oxidation and corrosion, and thus reducing the sealing performance of the flexible composite gasket.

[0007] To achieve the above objectives, the technical solution of the present invention is as follows: A flexible composite gasket; It includes: a first medium, a second medium, a mesh structure, and loop fibers; the first medium and the second medium are mixed at the transition position between them; at the transition position between the first medium and the second medium, the content of the second medium gradually increases from the inside to the outside; The mesh structure is laid at the first medium position and the transition position between the first medium and the second medium; the loop wires are arranged around the transition position between the first medium and the second medium; the inner and outer sides of the mesh structure extend respectively and are wound around each of the loop wires.

[0008] A further technical solution is that the mesh structure includes intertwined monofilaments; one end of the monofilament extends and is wound around the outer loop wire; the other end of the monofilament extends and is wound around the inner loop wire.

[0009] A further technical solution is that the mesh structure corresponds to the loop wire; the number of mesh structures is positively correlated with the thickness of the flexible composite gasket; and the two ends of the monofilament are alternately wound on the loop wire.

[0010] A further technical solution is that a plurality of mixing regions are formed at the transition position between the first medium and the second medium; the content of the second medium gradually increases from the inside to the outside of the mixing regions; the number of mixing regions is positively correlated with the width of the flexible composite gasket.

[0011] A further technical solution is to set a value x1 for the low content of the second medium; set a value x2 for the high content of the second medium; lay the mesh structure at the position of the first medium and the mixing region where the content of the second medium is < x1; and surround the loop wire at the mixing region where x1 < the content of the second medium < x2.

[0012] A further technical solution is that the monofilament is repeatedly bent, and the bending positions of adjacent monofilaments are intertwined to form a complete net; the complete net is punched, and the punching size is greater than the size of the net structure; the inner and outer rings of the net structure are unwired and straightened; the two ends of the monofilament are respectively wound clockwise and counterclockwise on the loop wire.

[0013] A further technical solution is that the first medium is injected onto the mesh structure; a mixture of the first medium and the second medium is sequentially coated to form a gasket structure, during which the mesh structure and the loop wires are submerged; the second medium is sprayed onto the gasket structure and vibrated and pressed to form a flexible composite gasket.

[0014] A further technical solution is that the first medium material includes, but is not limited to: plastic; the second medium material includes, but is not limited to: graphite; the monofilament material includes, but is not limited to: fiber; and the ring filament material includes, but is not limited to: cemented carbide.

[0015] A further technical solution is that the number of loop wires is positively correlated with the diameter of the flexible composite gasket.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are as follows: (1) The mesh structure and the loop wire play a role in strengthening the transition position and the first medium; the flexible composite gasket is large in size, and the flexible composite gasket will deform to a certain extent after being squeezed. The first medium has a certain degree of brittleness and will crack after a long time. The mesh structure forms a pull on the position of the first medium and the transition position between the first medium and the second medium, thus avoiding the cracking of the flexible composite gasket. After the mesh structure is deformed under stress, the inner and outer sides of the mesh structure pull on the loop wires. The loop wires have a certain structural strength to offset part of the pulling force, thus avoiding excessive deformation of the mesh structure and preventing severe deformation of the flexible composite gasket, so that the micro-deformation of the flexible composite gasket is within a controllable range.

[0017] (2) The ends of the monofilaments are alternately wrapped around the loop wires from above or below, and then bent clockwise and counterclockwise respectively, so that they are alternately wrapped around the loop wires, so that the mesh structure and the loop wires are firmly connected; the diameter of the flexible composite gasket is large, and the size of the loop wires is also correspondingly large. The strength of a single loop wire structure is weak and cannot support the structure of the flexible composite gasket; multiple loop wires are stacked together to form a mesh structure; the monofilaments pass between adjacent loop wires, and then are bent clockwise and counterclockwise respectively, so that the monofilaments are alternately wrapped around the loop wires, so that the mesh structure and the loop wires are firmly connected.

[0018] (3) After the flexible composite gasket is installed, it is squeezed and undergoes slight deformation, which creates a thrust that moves away from the mesh structure at the position of the first medium, the transition position between the first and second medium, and the position of the second medium. Under the action of force, the loop wire squeezes the second medium to leave space, which facilitates the slight deformation of the flexible composite gasket after installation. The second medium in the mixing area is not connected to the first medium by an adhesive. The first medium is itself sticky after being heated and softened. The second medium is fixed by utilizing the stickiness of the first medium. Since there is no adhesive, there is no situation where the adhesive performance decreases. Attached Figure Description

[0019] Figure 1 A cross-sectional schematic diagram of a flexible composite gasket according to an embodiment of the present invention is shown.

[0020] Figure 2 It shows Figure 1 Enlarged structural diagram at point A in the middle.

[0021] Figure 3 A cross-sectional schematic diagram is shown when there are multiple loop wires in an embodiment of the present invention.

[0022] Figure 4 It shows Figure 3 Enlarged structural diagram at point B in the middle.

[0023] Figure 5 A cross-sectional schematic diagram of an embodiment of the present invention is shown when there are two mesh structures.

[0024] Figure 6 It shows Figure 5 Enlarged structural diagram at point C.

[0025] Figure 7 The diagram shows a cross-sectional view of the flexible composite gasket after applying a positive vibration at a certain frequency to the pressing mold during the pressing process of the present invention.

[0026] Figure 8 It shows Figure 7 Enlarged structural diagram at point D.

[0027] Figure 9 The diagram shows a cross-sectional view after applying a certain number of vibrations to the pressing mold during the pressing process of the flexible composite gasket according to an embodiment of the present invention.

[0028] Figure 10 It shows Figure 9 Enlarged structural diagram at point E in the middle.

[0029] Figure 11 A partial schematic diagram of the mesh structure according to an embodiment of the present invention is shown.

[0030] The following labels are used in the attached diagram: 1. First medium; 2. Second medium; 3. Mesh structure; 31. Monofilament; 311. Bending section; 4. Loop wire; 5. Mixing area. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the device proposed by this invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of this invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, only for the purpose of conveniently and clearly illustrating the embodiments of this invention. Please refer to the accompanying drawings to make the objectives, features, and advantages of this invention more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives achieved by this invention, should still fall within the scope of the technical content disclosed in this invention.

[0032] Figure 1 A cross-sectional schematic diagram of a flexible composite gasket according to an embodiment of the present invention is shown. Figure 2 It shows Figure 1 A magnified structural diagram at point A. (Combined with...) Figure 1 and Figure 2 As shown, the present invention discloses a flexible composite gasket.

[0033] The flexible composite gasket includes: a first medium 1, a second medium 2, a mesh structure 3, and loop wires 4. The first medium 1 and the second medium 2 are mixed at the transition point between them. At the transition point between the first medium 1 and the second medium 2, the content of the second medium 2 gradually increases from the inside out.

[0034] The mesh structure 3 is laid at the position of the first medium 1 and the transition position between the first medium 1 and the second medium 2. The loop wires 4 are arranged around the transition position between the first medium 1 and the second medium 2. The inner and outer sides of the mesh structure 3 extend respectively and are wound around each loop wire 4.

[0035] The first medium 1 is made of materials including, but not limited to, plastic. Specifically, it is glass fiber reinforced plastic. The second medium 2 is made of materials including, but not limited to, graphite. The second medium 2 is in powder form. The first medium 1 exists in a solid-liquid coexistence state when heated, and becomes solid when cooled and solidified. The first medium 1 and the second medium 2 are mixed and completely coated to form a gasket structure, which is then coated with the second medium 2. The gasket structure does not completely cool and solidify. After extrusion, the second medium 2 adheres to the surface of the gasket structure, ultimately forming a flexible composite gasket.

[0036] The flexible composite gasket is relatively large. The first medium 1 is made of glass fiber reinforced plastic, which improves the rigidity and strength of the flexible composite gasket. However, compared with flexible composite gaskets made of metal, the structural strength of the first medium 1 is still relatively weak. The first medium 1 alone cannot provide effective support for the flexible composite gasket.

[0037] Because the installation location of the flexible composite gasket needs to ensure a certain degree of sealing, a large pressure needs to be applied to the flexible composite gasket. The first medium material 1 cannot withstand the pressure. When the flexible composite gasket is squeezed, it can produce a certain degree of micro-deformation, which can form a sealed fit with the installation location and improve the sealing performance.

[0038] This application uses the mesh structure 3 and the loop wires 4 to structurally reinforce the transition position and the first medium 1. The flexible composite gasket is relatively large and will deform under compression. The first medium 1 is somewhat brittle and will crack over time. The mesh structure 3 provides tension at the position of the first medium 1 and the transition position between the first medium 1 and the second medium 2, thus preventing the flexible composite gasket from cracking.

[0039] After the mesh structure 3 is deformed under stress, the inner and outer sides of the mesh structure 3 pull on the loop wire 4. The loop wire 4 has a certain structural strength to offset part of the pulling force, thus avoiding excessive deformation of the mesh structure 3 and preventing severe deformation of the flexible composite gasket, so that the micro-deformation of the flexible composite gasket is within a controllable range.

[0040] The mesh structure 3 includes intertwined monofilaments 31. One end of the monofilament 31 extends and is wound around the outer loop wire 4, and the other end of the monofilament 31 extends and is wound around the inner loop wire 4.

[0041] Figure 11 A partial schematic diagram of the mesh structure according to an embodiment of the present invention is shown. (In conjunction with...) Figure 1 , Figure 2 and Figure 11 As shown, after being bent, the monofilament 31 forms a series of alternating bending segments 311. The bending segments 311 on the monofilament 31 are nested on the bending segments 311 on the adjacent monofilament 31, thus achieving mutual entanglement of the adjacent monofilaments 31.

[0042] The mesh structure 3 avoids punching out several through holes on a whole plate, avoids connecting adjacent monofilaments 31 by knotting, and avoids the warp and weft distribution among the monofilaments 31.

[0043] If the mesh structure 3 is made by punching several through holes on a whole plate, then when the mesh structure 3 is under force, the clamping force will cause tearing at the through hole position, and as the tear expands, it will cause large-scale tearing of the whole plate.

[0044] If the mesh structure 3 is connected by knots between adjacent monofilaments 31, then when the mesh structure 3 is under stress, the knotted positions of adjacent monofilaments 31 will be stressed, causing the knotted positions of monofilaments 31 to break.

[0045] If the mesh structure 3 adopts a warp and weft distribution between the single filaments 31, the warp and weft distribution of the single filaments 31 will not affect each other. However, when the mesh structure 3 is under stress, it will cause the displacement of the single filaments 31, reducing the stress-bearing capacity of the flexible composite gasket.

[0046] The bending section 311 is an arc bend, and the single wire 31 is wrapped through the bending section 311, so that when the single wire 31 is under force, it affects the adjacent single wire 31, and the adjacent single wire 31 are pulled together, which improves the overall stress capacity of the mesh structure 3.

[0047] For example, the cross-section of the monofilament 31 is circular or elliptical. The cross-section of the monofilament 31 should avoid being a thin sheet structure, an angular structure, or an irregular shape. When the mesh structure 3 is subjected to force, tension is formed at the points where the monofilaments 31 are intertwined. The circular or elliptical cross-section of the monofilament 31 makes the deformation of the monofilament 31 under force small and not easy to break under force.

[0048] After the two ends of the monofilament 31 are unwound, they are extended and wound around the loop wire 4. The force between adjacent monofilaments 31 is not affected after the monofilament 31 is extended, and the monofilament 31 can be wound around the loop wire 4 in a more secure manner.

[0049] The mesh structure 3 corresponds to the loop wire 4. The number of mesh structures 3 is positively correlated with the thickness of the flexible composite gasket. The two ends of the single wire 31 are interlaced and wound on the loop wire 4.

[0050] The mesh structure 3 corresponds to the loop wire 4, so that the monofilaments 31 can be concentrated and interlaced on the loop wire 4. The tension of the loop wire 4 on the monofilaments 31 can be close to horizontal, which can form an effective tension.

[0051] Figure 5 A cross-sectional schematic diagram of an embodiment of the present invention is shown when there are two mesh structures. Figure 6 It shows Figure 5 A magnified structural diagram at point C. (Combined with...) Figure 5 and Figure 6As shown, the thicker the flexible composite gasket, the more mesh structures 3 there are. The thinner the flexible composite gasket, the fewer mesh structures 3 there are. The mesh structures 3 can be distributed within the flexible composite gasket at a certain density. The mesh structures 3 can exert tension on various positions of the first medium 1 and at various transition positions between the first medium 1 and the second medium 2, thereby improving the overall structural strength of the flexible composite gasket.

[0052] The ends of the monofilaments 31 are alternately wrapped around the loop wires 4 from above or below, and then bent clockwise and counterclockwise respectively, so that they are alternately wrapped around the loop wires 4, thus making the connection between the mesh structure 3 and the loop wires 4 secure.

[0053] Figure 3 A cross-sectional schematic diagram is shown when there are multiple loop wires in an embodiment of the present invention. Figure 4 It shows Figure 3 A magnified structural diagram at point B. (Combined with...) Figure 3 and Figure 4 As shown, the number of loop wires 4 is positively correlated with the diameter of the flexible composite gasket.

[0054] The smaller the diameter of the flexible composite gasket, the fewer the number of loops 4. The larger the diameter of the flexible composite gasket, the more loops 4.

[0055] The flexible composite gasket has a large diameter, and the size of the loop wires 4 is also correspondingly large. A single loop wire 4 has insufficient structural strength to support the structure of the flexible composite gasket. Multiple loop wires 4 are stacked together to form a mesh structure 3. Monofilaments 31 pass between adjacent loop wires 4, and are then bent clockwise and counterclockwise, causing the monofilaments 31 to be interlaced around the loop wires 4, thus ensuring a secure connection between the mesh structure 3 and the loop wires 4.

[0056] The monofilament 31 is bent back and forth, and the bending positions of adjacent monofilaments 31 are intertwined to form a complete net. The entire net is punched, and the punching size is greater than the size of the net structure 3, leaving room for the dismantling of the net structure 3.

[0057] The inner and outer rings of mesh structure 3 are unwired and straightened. The loop wire 4 is moved up and down repeatedly until its outer surface contacts the monofilament 31. As the loop wire 4 moves up and down, the monofilament 31 extends upward or downward. The loop wire 4 is moved to the same plane as the mesh structure 3, and the upward and downward extensions are bent clockwise and counterclockwise so that they are wrapped around the loop wire 4.

[0058] The monofilament 31 is made of materials including, but not limited to, fiber. The loop filament 4 is made of materials including, but not limited to, hard alloy. Hard alloy has high hardness and can withstand greater tensile forces on the mesh structure 3.

[0059] The first medium 1 is injected onto the mesh structure 3. A mixture of the first medium 1 and the second medium 2 is sequentially applied to form a gasket structure, during which the mesh structure 3 and the loop wires 4 are submerged. The second medium 2 is sprayed onto the gasket structure and vibrated and pressed to form a flexible composite gasket.

[0060] After the mesh structure 3 and the loop wire 4 are placed in the station and pressed together, the first medium 1 is injected into the station. After the first medium 1 cools, it forms a structural component. The station is then opened to remove the structural component.

[0061] After the first medium 1 and the second medium 2 are mixed in a certain proportion, they are sequentially coated onto the structural component to form a gasket structure. The mixing ratio of the first medium 1 and the second medium 2 is different in different coating processes.

[0062] The gasket structure is not completely cooled and solidified at this point. The temperature of the mixture of the first medium 1 and the second medium 2 is controlled to keep the mixture in a softened state. The second medium 2 is sprayed onto the gasket structure at a certain density and adheres to the surface of the mixture. After vibration pressing and natural cooling, a flexible composite gasket is formed.

[0063] Since the second medium 2 is attached to the surface of the gasket structure by spraying, the spraying thickness of the second medium 2 is relatively thin.

[0064] Several mixing regions 5 are formed at the transition position between the first medium 1 and the second medium 2. The content of the second medium 2 in the mixing regions 5 gradually increases from the inside out. The number of mixing regions 5 is positively correlated with the width of the flexible composite gasket. The width of the mixing regions 5 gradually decreases from the inside out.

[0065] The wider the flexible composite gasket, the more mixing regions 5 there are. The narrower the flexible composite gasket, the fewer mixing regions 5 there are.

[0066] Set a value x1 for the low content of the second medium 2 and a value x2 for the high content of the second medium 2. Lay the mesh structure 3 at the position of the first medium 1 and the position of the mixing region 5 where the content of the second medium 2 is < x1. The loop wire 4 is arranged around the mixing region 5 where x1 < the content of the second medium 2 < x2.

[0067] The width of the mixing region 5 gradually decreases from the first medium 1 towards the second medium 2. The rate of increase of the content of the second medium 2 at the mixing region 5 where the content of the second medium 2 is less than x1 is less than the rate of increase of the content of the second medium 2 at the mixing region 5 where x1 is less than x2.

[0068] The mesh structure 3 is laid at the position of the first medium 1 and the position of the mixing region 5 where the content of the second medium 2 is < x1. The second medium 2 increases the toughness at this position and further increases the amplitude of the micro-deformation of the first medium 1.

[0069] The second medium 2 is graphite, which has low hardness. When the monofilament 31 comes into contact with the second medium 2, it is compressed, forming several cavities in the first medium 1. The edges of the cavities will scratch the monofilament 31. Since the content of the second medium 2 is low in the mixing region 5 where the content of the second medium 2 is < x1, it has little impact on the mesh structure 3.

[0070] The loop wires 4 are positioned around the mixing region 5 where x1 < the content of the second medium 2 < x2, providing structural reinforcement at that location. The mesh structure 3 exerts a tensile force on the loop wires 4, pulling them closer to the mesh structure 3. After installation, the flexible composite gasket undergoes slight deformation under compression, creating a thrust away from the mesh structure 3 at the locations of the first medium 1, the transition between the first and second medium 2, and the second medium 2. Under this force, the loop wires 4 compress the second medium 2, creating space to facilitate the slight deformation of the flexible composite gasket after installation.

[0071] In this application, the second medium 2 in the mixing region 5 is not connected to the first medium 1 by an adhesive. The first medium 1 is inherently sticky after being heated and softened. The second medium 2 is fixed by utilizing the stickiness of the first medium 1. Since there is no adhesive, there is no situation where the adhesive performance deteriorates.

[0072] In the mixing region 5, where x1 < second medium 2 content < x2, the second medium 2 content is relatively high. This region exhibits certain high and low temperature resistance, corrosion resistance, compression resilience, and high strength. A second medium layer is formed by spraying the second medium 2 onto the surface of the gasket structure. The thickness of the second medium layer is controlled by adjusting the spraying amount and pressing force to adapt to the requirements of different installation environments for the flexible composite gasket. Because the mixing region 5, where x1 < second medium 2 content < x2, contains the second medium 2, the thickness of the second medium layer can be controlled between 3μm and 10μm.

[0073] Figure 7 The diagram shows a cross-sectional view of the flexible composite gasket after applying a positive vibration at a certain frequency to the pressing mold during the pressing process of the present invention. Figure 8 It shows Figure 7 A magnified structural diagram at point D. (Combined with...) Figure 7 and Figure 8 As shown, the gasket structure coated with the second medium 2 is placed on a pressing mold. During the pressing process, a certain frequency of positive vibration is applied to the pressing mold, causing the second medium 2 at the mixing region 5 (where x1 < second medium 2 content < x2) to move closer to the second medium layer. This results in a certain degree of accumulation of the second medium 2 and the second medium layer at the mixing region 5 (where x1 < second medium 2 content < x2), improving the various properties of the flexible composite gasket. By changing the vibration frequency, the degree of accumulation can be adjusted, allowing the flexible composite gasket to adapt to different installation environment requirements.

[0074] Figure 9 The diagram shows a cross-sectional view after applying a certain number of vibrations to the pressing mold during the pressing process of the flexible composite gasket according to an embodiment of the present invention. Figure 10 It shows Figure 9 A magnified structural diagram at point E in the middle. Combined with... Figure 9 and Figure 10 As shown, during the pressing process, a certain number of vibrations are applied to the pressing mold at intervals, so that the second medium 2 at the mixing region 5 where x1 < the content of the second medium 2 < x2 forms a variety of layered structure distributions. When the second medium 2 breaks or falls off, it will not affect the adjacent second medium 2, and will not cause a rapid decline in the performance of the flexible composite gasket, thus extending the service life of the flexible composite gasket.

[0075] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A flexible composite gasket, characterized in that, include: The first medium (1), the second medium (2), the mesh structure (3), and the loop wire (4) are mixed at the transition position between the first medium (1) and the second medium (2); at the transition position between the first medium (1) and the second medium (2), the content of the second medium (2) gradually increases from the inside to the outside; The mesh structure (3) is laid at the position of the first medium (1) and the transition position between the first medium (1) and the second medium (2); the loop wires (4) are arranged around the transition position between the first medium (1) and the second medium (2); the inner and outer sides of the mesh structure (3) extend respectively and are wound around each of the loop wires (4); The first medium (1) is made of plastic; the mesh structure (3) includes intertwined monofilaments (31); the monofilaments (31) are bent back and forth, and the bending positions of adjacent monofilaments (31) are intertwined to form a whole mesh; the whole mesh is punched, and the punching size is greater than the size of the mesh structure (3); the inner and outer rings of the mesh structure (3) are unwired and straightened; the two ends of the monofilaments (31) are respectively wound clockwise and counterclockwise on the loop wire (4).

2. The flexible composite gasket as described in claim 1, characterized in that, One end of the monofilament (31) extends and is wound around the outer loop wire (4); the other end of the monofilament (31) extends and is wound around the inner loop wire (4).

3. The flexible composite gasket as described in claim 2, characterized in that, The mesh structure (3) corresponds to the loop wire (4); the number of mesh structures (3) is positively correlated with the thickness of the flexible composite gasket; the two ends of the monofilament (31) are alternately wound on the loop wire (4).

4. The flexible composite gasket as described in claim 1, characterized in that, Several mixing regions (5) are formed at the transition position between the first medium (1) and the second medium (2); the content of the second medium (2) in the mixing regions (5) gradually increases from the inside to the outside; the number of mixing regions (5) is positively correlated with the width of the flexible composite gasket.

5. The flexible composite gasket as described in claim 4, characterized in that, Set the value x1 for the low content of the second medium (2); set the value x2 for the high content of the second medium (2); the mesh structure (3) is laid at the position of the first medium (1) and the position of the mixing region (5) where the content of the second medium (2) is < x1; the loop wire (4) is arranged around the position of the mixing region (5) where x1 < the content of the second medium (2) < x2.

6. The flexible composite gasket as described in claim 3, characterized in that, The first medium (1) is injected onto the mesh structure (3); the mixed medium of the first medium (1) and the second medium (2) sequentially coats the gasket structure, submerging the mesh structure (3) and the loop wire (4) during the coating process; the second medium (2) is sprayed onto the gasket structure and vibrated and pressed to form a flexible composite gasket.

7. The flexible composite gasket as described in claim 3, characterized in that, The material of the second medium (2) is graphite; the material of the ring wire (4) is cemented carbide.

8. The flexible composite gasket as described in claim 3, characterized in that, The number of the loop wires (4) is positively correlated with the diameter of the flexible composite gasket.

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