Sealing connecting piece of air pipe end

Abstract

The utility model relates to the technical field of air pipe connecting pieces, in particular to an air pipe end sealing connecting piece which comprises a connecting structure and a flame-retardant structure. The connecting structure comprises extending cylinders extending outwards from the front side and the rear side of the connecting piece, sealing rings fixedly connected with the cylinder walls are arranged on the extending cylinders, connecting flanges fixedly connected with the outer wall of the connecting piece are arranged on the rear sides of the extending cylinders, and bolts are arranged on the connecting flanges. The flame-retardant structure comprises a shell arranged on the outer wall of the connecting piece, an interlayer is arranged in the connecting piece, and a flame-retardant layer is arranged in the interlayer; the front side and the rear side of the connecting piece are each provided with an air pipe body in butt joint with the extending cylinder, air pipe flanges are arranged on the air pipe bodies, and threaded holes in butt joint with the bolts are formed in the air pipe flanges. According to the sealing connecting piece for the air pipe end, sealing connection of an air pipe can be achieved, the efficiency of the air pipe in the mounting and dismounting process can be higher, and the air pipe body can be conveniently cleaned, maintained and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of air duct connectors, in particular to a sealing connector for an air duct end. Background Art

[0002] Due to the different functions of each air duct in the wind power system and the space limitations of the building, pipes with different directions, lengths and diameters need connectors to complete the pipeline connection;

[0003] The common connection method of the connectors on the market is inconvenient and inefficient during installation and removal, and is also not convenient for cleaning, maintenance and replacement of the air duct at a later stage. Therefore, a sealing connector for the end of the air duct is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing connector for an air duct end, which makes installation and disassembly more efficient and facilitates cleaning, maintenance and replacement of the air duct body, so as to solve the problems raised in the above-mentioned background technology.

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

[0006] A sealing connector for an air duct end, comprising:

[0007] As a preferred solution, the connection structure includes an extension tube extending outwardly on both sides of the front and rear of the connection piece, a sealing ring fixedly connected to the tube wall is arranged on the extension tube, and a connection flange fixed to the outer wall of the connection piece is arranged on the rear side of the extension tube, and bolts are arranged on the connection flange;

[0008] The flame retardant structure comprises a shell arranged on the outer wall of the connecting piece, an interlayer is arranged inside the connecting piece, and a flame retardant layer is arranged inside the interlayer.

[0009] As a preferred solution, both the front and rear sides of the connecting piece are provided with a duct body that is connected to the extension tube, the duct body is provided with a duct flange, and the duct flange is provided with a threaded hole that is connected to the bolt.

[0010] As a preferred solution, when the extension tube is extended into the inner side of the air duct body, the sealing ring is squeezed and fitted with the inner wall of the air duct body, and the connecting flange is threadedly connected to the air duct flange by bolts.

[0011] As a preferred solution, the flame retardant layer is made of a silicon carbide component, and the outer shell is made of a stainless steel substrate.

[0012] As a preferred solution, the diameter of the inner wall of the air duct body is the same as the diameter of the extension tube.

[0013] It can be seen from the technical solution provided by the utility model above that the utility model provides a sealing connector for the end of the air duct, which has the following beneficial effects:

[0014] 1. The sealing connector at the end of the air duct can seal the air duct and make the installation and disassembly of the air duct more efficient, making it easier to clean, maintain and replace the air duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a sealing connector for an air duct end of the utility model;

[0016] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a sealing connector at the end of an air duct.

[0017] In the figure: 1. Connecting piece; 11. Extension tube; 12. Connecting flange; 13. Bolt; 14. Sealing ring; 15. Shell; 16. Flame retardant layer; 17. Interlayer; 2. Duct body; 21. Duct flange; 22. Threaded hole. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0020] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] like Figure 1-2 As shown, the embodiment of the utility model provides a sealing connector for an air duct end, including: a connecting structure, the connecting structure includes an extension tube 11 extending outwardly at both sides of the front and rear of the connecting member 1, a sealing ring 14 fixedly connected to the tube wall is arranged on the extension tube 11, and a connecting flange 12 fixed to the outer wall of the connecting member 1 is arranged on the rear side of the extension tube 11, and a bolt 13 is arranged on the connecting flange 12;

[0024] The flame retardant structure includes a shell 15 arranged on the outer wall of the connecting member 1, an interlayer 17 is arranged inside the connecting member 1, and a flame retardant layer 16 is arranged inside the interlayer 17;

[0025] The front and rear sides of the connecting member 1 are both provided with a duct body 2 that is connected to the extension tube 11, and the duct body 2 is provided with a duct flange 21, and the duct flange 21 is provided with a threaded hole 22 that is connected to the bolt 13;

[0026] When the extension tube 11 extends into the inner side of the air duct body 2, the sealing ring 14 is squeezed and fitted with the inner wall of the air duct body 2, and the connecting flange 12 is threadedly connected to the air duct flange 21 by bolts 13. The flame retardant layer 16 is made of a silicon carbide component, and the outer shell 15 is made of a stainless steel substrate. The diameter of the inner wall of the air duct body 2 is the same as the diameter of the extension tube 11.

[0027] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0028] In one embodiment, see Figure 1 , Figure 2 , connection structure, the connection structure includes an extension tube 11 extending outward on the front and rear sides of the connecting member 1, and a sealing ring 14 fixedly connected to the tube wall is provided on the extension tube 11. When the extension tube 11 extends into the inner side of the air duct body 2, the sealing ring 14 is squeezed and fitted with the inner wall of the air duct body 2. A connecting flange 12 fixed to the outer wall of the connecting member 1 is provided on the rear side of the extension tube 11, and bolts 13 are provided on the connecting flange 12.

[0029] In one embodiment, see Figure 2, flame retardant structure, the flame retardant structure includes a shell 15 arranged on the outer wall of the connecting member 1, an interlayer 17 is arranged inside the connecting member 1, a flame retardant layer 16 is arranged inside the interlayer 17, the flame retardant layer 16 is made of a silicon carbide material, and the shell 15 adopts a stainless steel substrate.

[0030] In one embodiment, see Figure 2 The front and rear sides of the connecting member 1 are both provided with a duct body 2 which is connected to the extension tube 11, and the duct body 2 is provided with a duct flange 21, and the duct flange 21 is provided with a threaded hole 22 which is connected to the bolt 13; the diameter of the inner wall of the duct body 2 is the same as the diameter of the extension tube 11, and the connecting flange 12 is threadedly connected to the duct flange 21 by the bolt 13.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing connector for an air duct end, characterized in that: include: A connection structure, the connection structure comprising an extension tube (11) extending outwardly at both sides of the front and rear of the connection member (1), the extension tube (11) being provided with a sealing ring (14) fixedly connected to the tube wall, the rear side of the extension tube (11) being provided with a connection flange (12) fixed to the outer wall of the connection member (1), the connection flange (12) being provided with bolts (13); A flame retardant structure, comprising an outer shell (15) arranged on the outer wall of a connecting piece (1), an interlayer (17) being arranged inside the connecting piece (1), and a flame retardant layer (16) being arranged inside the interlayer (17).

2. The sealing connector for an air duct end according to claim 1, characterized in that: The front and rear sides of the connecting member (1) are both provided with an air duct body (2) that is connected to the extension tube (11); the air duct body (2) is provided with an air duct flange (21); and the air duct flange (21) is provided with a threaded hole (22) that is connected to the bolt (13).

3. The sealing connector for an air duct end according to claim 1, characterized in that: When the extension tube (11) is extended into the inner side of the air duct body (2), the sealing ring (14) is pressed and fitted with the inner wall of the air duct body (2), and the connecting flange (12) is threadedly connected to the air duct flange (21) via bolts (13).

4. The sealing connector for an air duct end according to claim 1, characterized in that: The flame retardant layer (16) is a component made of silicon carbide, and the outer shell (15) is a stainless steel substrate.

5. The sealing connector for an air duct end according to claim 2, characterized in that: The diameter of the inner wall of the air duct body (2) is the same as the diameter of the extension tube (11).

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