Close contact type spliced sealing gasket

Abstract

The utility model provides a tight contact type spliced sealing gasket, and belongs to the technical field of sealing gaskets. Comprising at least two sealing gasket splicing modules, the sealing gasket splicing modules are mutually connected through splicing structures to form a complete sealing gasket, and the splicing structures for connection between the adjacent sealing gasket splicing modules are connected through sawtooth face concave-convex structures. The problems that a traditional sealing gasket wastes raw materials in whole stamping, is high in manufacturing cost and inconvenient to install, and needs to be integrally replaced after local damage are solved through the modular design, and meanwhile the sealing effect is improved, and the application range is widened. The sealing ring is mainly used for sealing a low-fastening-force flange which is low in medium pressure, poor in joint surface flatness and large in surface roughness.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sealing gasket, concretely relates to a close contact type spliced sealing gasket mainly used for the flange sealing of low fastening force with low medium pressure, poor bonding surface flatness and big surface roughness. BACKGROUND

[0002] In industrial equipment and flange connection, sealing gasket is the key component for preventing medium leakage. The traditional sealing gasket usually has a whole structure, which has the following shortcomings: 1. It is formed by stamping from a whole sheet during processing. However, stamping from a whole sheet will generate a large area of waste material at the center and edge of the product, which wastes raw materials and increases production cost; 2. It is difficult to center during installation, especially in narrow space or complex pipeline occasions, which has low installation efficiency; 3. It needs to be replaced as a whole when partially damaged, which causes material waste and increases maintenance cost; 4. The size of the whole sealing gasket is fixed, which is difficult to adapt to different connection requirements.

[0003] In order to solve the above problems, the utility model provides a spliced sealing gasket, which realizes convenient installation and local replacement through modular design, and improves sealing performance. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem: provide a close contact type spliced sealing gasket, the utility model discloses a modular design solves the traditional sealing gasket whole stamping fee raw material, the manufacturing cost is high, the installation is inconvenient, the local damage needs the problem of whole replacement, improves sealing effect and application scope simultaneously.

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

[0006] A close contact type spliced sealing gasket, comprising at least two sealing gasket splicing modules, the sealing gasket splicing modules are connected to each other through splicing structures to form a complete sealing gasket, and the splicing structures used for connecting adjacent sealing gasket splicing modules adopt sawtooth surface concave-convex structure connection.

[0007] Further limit to the above scheme, each sealing gasket splicing module comprises a sealing gasket body, the sealing gasket body is respectively provided with a splicing protrusion and a splicing groove at both ends, the structure of the splicing protrusion and the splicing groove is corresponding, the splicing protrusion and the splicing groove on adjacent two sealing gasket splicing modules are matched to realize the connection between the sealing gasket splicing modules, and the contact surfaces of the splicing protrusion and the splicing groove are all sawtooth surfaces that are matched with each other.

[0008] Further limit to the above scheme, the splicing protrusion and the splicing groove adopt T-shaped splicing protrusion and T-shaped splicing groove respectively, and the T-shaped splicing protrusion and the T-shaped splicing groove are matched with each other in shape.

[0009] Further to the above solution, the dovetail type splicing protrusion and the dovetail type splicing groove are mutually matched in shape.

[0010] Further to the above solution, the dovetail type splicing protrusion and the dovetail type splicing groove are mutually matched in shape.

[0011] Further to the above solution, the dovetail type splicing protrusion and the dovetail type splicing groove are mutually matched in shape.

[0012] Further to the above solution, the dovetail type splicing protrusion and the dovetail type splicing groove are mutually matched in shape.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The sealing gasket is spliced by at least two sealing gasket splicing modules, and the adjacent two sealing gasket splicing modules are connected through the splicing structure, so that the material is saved during the manufacturing of each sealing gasket splicing module, the generation of waste is greatly reduced, and the production cost is greatly saved.

[0015] 2. The modular design is adopted in the solution, the installation is convenient, the adaptability is strong, the size and shape of the sealing gasket can be flexibly adjusted.

[0016] 3. In the solution, only one sealing gasket splicing module needs to be replaced when the sealing gasket is partially damaged, material is saved, and maintenance cost is reduced.

[0017] 4. The splicing structure adopts the sawtooth surface concave-convex structure connection, the structure is stable, the sealing surface has excellent sealing performance, and is suitable for various working conditions.

[0018] 5. The solution has wide application range and can be used for various connection parts such as pipelines, flanges and valves. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the splicing type sealing gasket of the utility model;

[0020] Figure 2 It is a structure schematic view of the sealing gasket splicing module adopting the T-shaped splicing structure in the utility model;

[0021] Figure 3 It is a structure schematic view of the sealing gasket splicing module adopting the dovetail type splicing structure in the utility model;

[0022] Figure 4 It is a structure schematic view of the sealing gasket splicing module adopting the wave type concave-convex structure in the utility model. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] It should be noted that, in this document, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not explicitly listed, or further includes inherent elements of such a process, method, article, or apparatus. Without more limitations, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0025] Please refer to Figures 1-3 for detailed description of the embodiments of the present application.

[0026] Embodiment: A closely contacted spliced sealing gasket, as shown in Figure 1 , the present embodiment generally comprises four sealing gasket splicing modules 1, the sealing gasket splicing modules 1 are connected to each other through splicing structures to form a complete sealing gasket, the splicing structure used for connecting adjacent sealing gasket splicing modules 1 adopts a sawtooth surface concave-convex structure connection; the sealing gasket splicing module 1 is provided with an adaptive hole 10 according to the sealed structure.

[0027] In a specific embodiment: each of the sealing gasket splicing modules 1 comprises a sealing gasket body 2, the sealing gasket body 2 is respectively provided with a splicing protrusion 3 and a splicing groove 4 at both ends, the structures of the splicing protrusion 3 and the splicing groove 4 correspond to each other, the splicing protrusion 3 and the splicing groove 4 on adjacent two sealing gasket splicing modules 1 cooperate with each other to realize the connection between the sealing gasket splicing modules, and the contact surfaces of the splicing protrusion 3 and the splicing groove 4 are both sawtooth surfaces 5 that adapt to each other.

[0028] A preferred mode is that, as shown in Figure 2 , the splicing protrusion 3 and the splicing groove 4 respectively adopt a T-shaped splicing protrusion 6 and a T-shaped splicing groove 7, and the T-shaped splicing protrusion 6 and the T-shaped splicing groove 7 are mutually adapted in shape.

[0029] Another preferred mode is that, as shown in Figure 3As shown, the splicing protrusions 3 and the splicing grooves 4 are dovetail type splicing protrusions 8 and dovetail type splicing grooves 9 respectively, which are mutually matched.

[0030] The third preferred mode is: refer to Figure 4 As shown, the mutually matched splicing protrusions 3 and the splicing grooves 4 are wave type concave-convex 10 respectively.

[0031] In a specific embodiment: the sealing gasket splicing module 1 is made of soft rubber material.

[0032] Preferably, the soft rubber material is one of nitrile rubber, chloroprene rubber, acrylate rubber, fluorine rubber and silicone rubber.

[0033] In this embodiment, when the sealing gasket is installed, four sealing gasket splicing modules 1 are spliced into a complete sealing gasket through splicing protrusions 3 and splicing grooves 4, and are fixed on the connecting piece. When a part of the sealing gasket is damaged, only the damaged sealing gasket splicing module 1 needs to be replaced, without replacing the entire sealing gasket, thereby significantly reducing maintenance cost and time.

[0034] The sealing gasket of the utility model, each sealing gasket splicing module saves materials during production, greatly reduces the generation of waste, and greatly saves production cost; adopts modular design, is convenient to install, has strong adaptability, and can flexibly adjust the size and shape of the sealing gasket; the splicing structure is connected through a sawtooth surface concave-convex structure, the structure is stable, the sealing surface has excellent sealing performance, and is suitable for various working conditions; has a wide range of applications and can be used for various connecting parts such as pipelines, flanges and valves.

[0035] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A close contact type gasket for a joint, characterized by: The application relates to a sealing gasket splicing module, which comprises at least two sealing gasket splicing modules (1) connected by splicing structures to form a complete sealing gasket.

2. The close contact type splicing gasket according to claim 1, characterized by: Each sealing gasket splicing module (1) comprises a sealing gasket body (2) provided with a splicing protrusion (3) and a splicing groove (4) at both ends respectively, wherein the splicing protrusion (3) and the splicing groove (4) are in corresponding structures, the splicing protrusion (3) and the splicing groove (4) on two adjacent sealing gasket splicing modules (1) are matched to realize the connection between the sealing gasket splicing modules, and the contact surfaces of the splicing protrusion (3) and the splicing groove (4) are sawtooth surfaces (5) matched with each other.

3. A close contact type splicing gasket according to claim 2, characterized in that: The splicing protrusion (3) and the splicing groove (4) are respectively T-shaped splicing protrusions (6) and T-shaped splicing grooves (7), and the T-shaped splicing protrusions (6) and the T-shaped splicing grooves (7) are matched with each other in shape.

4. The close contact type splicing gasket according to claim 2, characterized in that: The splicing protrusion (3) and the splicing groove (4) are respectively dovetail-shaped splicing protrusions (8) and dovetail-shaped splicing grooves (9), and the dovetail-shaped splicing protrusions (8) and the dovetail-shaped splicing grooves (9) are matched with each other in shape.

5. The close contact type splicing gasket according to claim 2, characterized in that: The matched splicing protrusion (3) and the splicing groove (4) are respectively wave-shaped concaves and convexes (10).

6. A close contact type, pieced seal gasket according to claim 1, characterized by: The sealing gasket splicing module (1) is made of soft rubber material.

7. A close contact type, pieced seal gasket according to claim 6, characterized in that: The soft rubber material is one of butyronitrile soft rubber, chlorobutyl soft rubber, acrylate soft rubber, fluorine rubber type soft rubber and silicone rubber type soft rubber.

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