Reinforced epoxy pipe

Abstract

The utility model relates to a reinforced epoxy pipe which comprises a resin layer and an inner framework, the inner framework is arranged in the resin layer, the inner framework is composed of inner-layer alkali-free glass fiber cloth, a metal ring cylinder and outer-layer alkali-free glass fiber cloth, and the inner-layer alkali-free glass fiber cloth, the metal ring cylinder and the outer-layer alkali-free glass fiber cloth are sequentially arranged from inside to outside. An outer ring groove is formed in the outer side of the metal ring cylinder, the outer-layer alkali-free glass fiber cloth is annularly arranged in the outer ring groove in a sleeved mode, an inner ring groove is formed in the inner side of the metal ring cylinder, the inner-layer alkali-free glass fiber cloth is annularly arranged in the inner ring groove in a sleeved mode, through hole groups are formed in the metal ring cylinder, and an inner connecting groove is formed in the inner side of one end of the resin layer. According to the utility model, the inner framework comprises two layers of fiber cloth, namely the inner layer alkali-free glass fiber cloth and the outer layer alkali-free glass fiber cloth, so that the strength of the epoxy pipe can be greatly enhanced, and the strength of the epoxy pipe can be further improved by matching with the metal ring cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of epoxy pipes, in particular to a reinforced epoxy pipe. Background Art

[0002] Epoxy tube is a rod with a round cross section made of electrical alkali-free glass fiber cloth impregnated with epoxy resin, baked, hot-pressed in a molding mold, and processed. The glass cloth rod has high mechanical properties, dielectric properties and good machinability. It is suitable for use as insulating structural parts in electrical equipment and can be used in humid environments and transformer oil.

[0003] After searching, the Chinese patent with publication number: CN105605336A discloses an epoxy glass fiber winding tube, which includes an epoxy glass fiber winding layer and a resin layer from the outside to the inside, and also includes a plurality of glass fiber surface felt layers, the glass fiber surface felt layer is arranged on the inner surface of the resin layer, and the number of glass fiber surface felt layers is proportional to the thickness of the glass fiber winding layer. The invention improves the product quality, the product will not have dry yarn and leakage, the service life is guaranteed, and the mechanical strength of the product is increased.

[0004] When this patent is actually used, it has the following defects:

[0005] In this patent, the tube structure is only composed of glass fiber and resin layer. The strength of the epoxy tube obtained needs to be improved and it is easy to be damaged when used in some environments with higher strength requirements. Utility Model Content

[0006] In view of the technical problems in the existing patents that the tube body structure is only composed of glass fiber and resin layer, the strength of the epoxy tube obtained needs to be improved, and the epoxy tube is easily damaged when used in some environments with high strength requirements, the utility model provides a reinforced epoxy tube.

[0007] The technical solution adopted by the utility model is: a reinforced epoxy tube, comprising a resin layer and an inner skeleton, wherein the inner skeleton is arranged in the resin layer, and the inner skeleton is composed of an inner layer of alkali-free glass fiber cloth, a metal ring tube and an outer layer of alkali-free glass fiber cloth, wherein the inner layer of alkali-free glass fiber cloth, the metal ring tube and the outer layer of alkali-free glass fiber cloth are arranged in sequence from the inside to the outside, and the inner skeleton comprises two layers of fiber cloth, namely, an inner layer of alkali-free glass fiber cloth and an outer layer of alkali-free glass fiber cloth, thereby being able to greatly enhance the strength of the epoxy tube.

[0008] Furthermore, an outer ring groove is provided on the outer side of the metal ring tube, and the outer layer of alkali-free glass fiber cloth is annularly sleeved in the outer ring groove. The outer layer of alkali-free glass fiber cloth cooperates with the outer ring groove to facilitate production and processing.

[0009] Furthermore, an inner ring groove is provided on the inner side of the metal ring tube, and the inner layer of alkali-free glass fiber cloth is annularly sleeved in the inner ring groove. The inner layer of alkali-free glass fiber cloth cooperates with the inner ring groove to facilitate production and processing.

[0010] Furthermore, the metal ring tube is provided with a group of through holes, which can facilitate epoxy resin filling to bond the inner layer of alkali-free glass fiber cloth and the outer layer of alkali-free glass fiber cloth together.

[0011] Furthermore, an inner connecting groove is provided on the inner side of one end of the resin layer, and an outer connecting groove is provided on the outer side of the other end of the resin layer. The inner connecting groove and the outer connecting groove at both ends of the resin layer can facilitate the connection and use of epoxy tubes.

[0012] Furthermore, the inner connecting groove corresponds to the outer connecting groove, and the inner diameter of the inner connecting groove is the same as the outer diameter of the outer connecting groove.

[0013] Furthermore, an accommodating ring groove is provided on the outer connecting groove, and a frosted layer is bonded in the accommodating ring groove, so that the friction force when connecting the epoxy tubes can be increased by the frosted layer.

[0014] The beneficial effects of the utility model are as follows: compared with the prior art, in the utility model,

[0015] 1. The inner skeleton of the utility model comprises two layers of fiber cloth, an inner layer of alkali-free glass fiber cloth and an outer layer of alkali-free glass fiber cloth, so the strength of the epoxy tube can be greatly enhanced, and the strength of the epoxy tube can be further improved in combination with the metal ring.

[0016] 2. The utility model can facilitate the connection of epoxy pipes by connecting the pipe bodies end to end through the inner connection grooves and the outer connection grooves at both ends of the resin layer, thereby facilitating the connection and use of multiple epoxy pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front perspective view of the utility model;

[0018] Figure 2 It is a rear perspective view of the utility model;

[0019] Figure 3 This is an attempt to construct an internal skeleton structure of the utility model;

[0020] Figure 4 It is an exploded view of the inner skeleton of the utility model.

[0021] Markings in the figure are: 1. resin layer; 2. inner skeleton; 201. inner layer of alkali-free glass fiber cloth; 202. metal ring tube; 203. outer layer of alkali-free glass fiber cloth; 3. outer ring groove; 4. inner ring groove; 5. through hole group; 6. inner connecting groove; 7. outer connecting groove; 8. frosted layer. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The following is combined with Figure 1-Figure 4 The utility model is further described.

[0025] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: a reinforced epoxy tube.

[0026] The specific technical solution includes a resin layer 1 and an inner skeleton 2, wherein the inner skeleton 2 is arranged in the resin layer 1, and the inner skeleton 2 is composed of an inner layer of alkali-free glass fiber cloth 201, a metal ring tube 202 and an outer layer of alkali-free glass fiber cloth 203. The inner layer of alkali-free glass fiber cloth 201, the metal ring tube 202 and the outer layer of alkali-free glass fiber cloth 203 are arranged in sequence from the inside to the outside. By arranging the two layers of fiber cloth, the inner layer of alkali-free glass fiber cloth 201 and the outer layer of alkali-free glass fiber cloth 203, the strength of the epoxy tube can be greatly enhanced, and the strength of the epoxy tube can be further enhanced in combination with the metal ring tube 202.

[0027] In the specific technical solution, refer to Figure 3 and Figure 4 As shown, an outer ring groove 3 is provided on the outer side of the metal ring tube 202, and the inner layer of alkali-free glass fiber cloth 203 is annularly sleeved in the outer ring groove 3. The outer ring groove 3 can ensure that the outer layer of alkali-free glass fiber cloth 203 is arranged more conveniently and smoothly.

[0028] An inner ring groove 4 is formed inside the metal ring tube 202 , and the inner layer of alkali-free glass fiber cloth 201 is annularly sleeved in the inner ring groove 4 . The inner ring groove 4 can ensure that the inner layer of alkali-free glass fiber cloth 201 can be arranged more conveniently and smoothly.

[0029] The metal ring tube 202 is provided with a through hole group 5, which can reduce metal consumption and epoxy tube weight and facilitate epoxy resin filling to bond the inner layer of alkali-free glass fiber cloth 201 and the outer layer of alkali-free glass fiber cloth 203 together.

[0030] In the specific technical solution, refer to Figure 1 and Figure 2 As shown, an inner connecting groove 6 is opened on the inner side of one end of the resin layer 1, and an outer connecting groove 7 is opened on the outer side of the other end of the resin layer 1. The inner connecting groove 6 corresponds to the outer connecting groove 7, and the inner diameter of the inner connecting groove 6 is the same as the outer diameter of the outer connecting groove 7. The inner connecting groove 6 and the outer connecting groove 7 at both ends of the resin layer 1 can facilitate the connection of the epoxy tube so that the tube body is connected end to end when used.

[0031] An accommodating ring groove is provided on the outer connecting groove 7, and a frosted layer 8 is bonded in the accommodating ring groove. The frosted layer 8 can increase the friction force when connecting the epoxy tubes, thereby ensuring better stability after connection.

[0032] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:

[0033] During the production of the epoxy tube, the metal ring tube 202 is first coated with epoxy resin inside and outside, and then the inner layer of alkali-free glass fiber cloth 201 and the outer layer of alkali-free glass fiber cloth 203 are respectively sleeved in the inner ring groove 4 and the outer ring groove 3 in the metal ring tube 202, thereby obtaining the inner skeleton 2, and finally the inner skeleton 2 is immersed in the epoxy resin, and the finished product can be obtained after drying and molding mold treatment. Since the inner skeleton 2 includes two layers of fiber cloth, the inner layer of alkali-free glass fiber cloth 201 and the outer layer of alkali-free glass fiber cloth 203, the strength of the epoxy tube can be greatly enhanced, and the strength of the epoxy tube can be further improved in combination with the metal ring tube 202.

[0034] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced epoxy tube, comprising a resin layer (1) and an inner skeleton (2), characterized in that: The inner skeleton (2) is arranged in the resin layer (1), and the inner skeleton (2) is composed of an inner layer of alkali-free glass fiber cloth (201), a metal ring tube (202), and an outer layer of alkali-free glass fiber cloth (203), and the inner layer of alkali-free glass fiber cloth (201), the metal ring tube (202), and the outer layer of alkali-free glass fiber cloth (203) are arranged in sequence from the inside to the outside.

2. The reinforced epoxy tube according to claim 1, characterized in that: An outer ring groove (3) is formed on the outer side of the metal ring cylinder (202), and the outer layer of alkali-free glass fiber cloth (203) is annularly sleeved in the outer ring groove (3).

3. The reinforced epoxy tube according to claim 1, characterized in that: An inner ring groove (4) is formed on the inner side of the metal ring cylinder (202), and the inner layer of alkali-free glass fiber cloth (201) is annularly sleeved in the inner ring groove (4).

4. The reinforced epoxy tube according to claim 1, characterized in that: The metal ring cylinder (202) is provided with a through hole group (5).

5. The reinforced epoxy tube according to claim 1, characterized in that: An inner connection groove (6) is provided on the inner side of one end of the resin layer (1), and an outer connection groove (7) is provided on the outer side of the other end of the resin layer (1).

6. The reinforced epoxy tube according to claim 5, characterized in that: The inner connecting groove (6) corresponds to the outer connecting groove (7), and the inner diameter of the inner connecting groove (6) is the same as the outer diameter of the outer connecting groove (7).

7. The reinforced epoxy tube according to claim 5, characterized in that: The external connection groove (7) is provided with an accommodating ring groove, and a frosted layer (8) is bonded in the accommodating ring groove.

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