Glass fiber reinforced plastic steel pipe

Abstract

The utility model discloses a glass fiber reinforced plastic steel pipe which comprises a steel pipe body, the steel pipe body comprises an inner layer pipe, a high-strength plastic layer is arranged on the outer surface of the inner layer pipe, a glass fiber layer is arranged on the outer surface of the high-strength plastic layer, and an outer protective layer is arranged on the outer surface of the glass fiber layer. A plurality of protection assemblies are arranged on the outer surface of the steel pipe body, each protection assembly comprises a first protection semi-ring and a second protection semi-ring, clamping blocks are symmetrically arranged on one side of each first protection semi-ring, and clamping rods are symmetrically arranged on one side of each second protection semi-ring. And one side of the first protective half ring and one side of the second protective half ring are fixedly connected with rubber blocks. The strength of the steel pipe body is enhanced by arranging the high-strength plastic layer and the glass fiber layer, the influence of the external environment on the glass fiber layer can be isolated through the outer protective layer, and meanwhile the high temperature resistance of the steel pipe body is enhanced.

Description

Technical Field

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

[0002] Glass fiber reinforced plastic is a composite plastic with glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin as the matrix material. As a kind of composite material, FRP has been widely used in related industries such as aerospace, railways, decoration and construction, home furniture, building materials, sanitary ware and sanitation engineering due to its unique performance advantages. According to the different fibers used, glass fiber reinforced plastics are divided into glass fiber reinforced composite plastics, carbon fiber reinforced composite plastics and boron fiber reinforced composite plastics.

[0003] Most of the steel pipes on the market are single-layer structures with low strength and are more prone to bending and damage. In addition, the existing steel pipes are easily damaged when they are collided during transportation. Utility Model Content

[0004] The purpose of the utility model is to provide a glass fiber reinforced plastic steel pipe, which can solve the problem that most steel pipes are single-layer structures, have low strength, are more prone to bending and damage, and that existing steel pipes are easily damaged when they are collided during transportation.

[0005] To achieve the above object, a glass fiber reinforced plastic steel pipe is provided, comprising a steel pipe body, the steel pipe body comprising an inner layer pipe, the outer surface of the inner layer pipe is provided with a high-strength plastic layer, the outer surface of the high-strength plastic layer is provided with a glass fiber layer, and the outer surface of the glass fiber layer is provided with an outer protective layer;

[0006] Several protective components are arranged on the outer surface of the steel pipe body, and the protective components include a first protective half ring and a second protective half ring. A clamping block is symmetrically arranged on one side of the first protective half ring, and a clamping rod is symmetrically arranged on one side of the second protective half ring. One side of the first protective half ring and the second protective half ring are both fixedly connected with a rubber block.

[0007] According to the glass fiber reinforced plastic steel pipe, the high-strength plastic layer is polyphenylene sulfide plastic.

[0008] According to the glass fiber reinforced plastic steel pipe, the glass fiber layer is high-strength glass fiber.

[0009] According to the glass fiber reinforced plastic steel pipe, the outer protective layer is made of PEEK material.

[0010] According to the glass fiber reinforced plastic steel pipe, the clamping block includes a fixing seat, a plug-in slot is provided inside the fixing seat, a top wall and a bottom wall of the plug-in slot are fixedly connected to a plurality of springs, and one end of the spring is fixedly connected to a fixing protrusion.

[0011] According to the glass fiber reinforced plastic steel pipe, the fixing protrusion is a "hemispherical body".

[0012] According to the glass fiber reinforced plastic steel pipe, the clamping rod comprises a plug-in rod, and a plurality of fixing grooves are formed on the upper and lower surfaces of the plug-in rod.

[0013] According to the glass fiber reinforced plastic steel pipe, the fixing groove is "hemispherical".

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This glass fiber reinforced plastic steel pipe enhances the strength of the steel pipe body by arranging a high-strength plastic layer and a glass fiber layer. The outer protective layer can isolate the influence of the external environment on the glass fiber layer, and at the same time enhance the high temperature resistance of the steel pipe body.

[0016] 2. This glass fiber reinforced plastic steel pipe is provided with a protective component, which includes a first protective half ring, a second protective half ring, a clamping block, a clamping rod, and a rubber block to protect the steel pipe body to prevent the steel pipe body from being damaged by collision during transportation.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional diagram of a glass fiber reinforced plastic steel pipe of the utility model;

[0020] Figure 2 This is a structural schematic diagram of a steel pipe body of a glass fiber reinforced plastic steel pipe of the utility model;

[0021] Figure 3 This is a front view of a glass fiber reinforced plastic steel pipe of the utility model;

[0022] Figure 4 For the utility model Figure 3 Enlarged schematic diagram at point A in the middle.

[0023] In the figure: 1. Steel pipe body; 2. Protection component; 101. Inner tube; 102. High-strength plastic layer; 103. Glass fiber layer; 104. Outer protection layer; 201. First protection half ring; 202. Second protection half ring; 203. Snap-in block; 204. Snap-in rod; 205. Rubber block; 2031. Fixed seat; 2032. Plug-in slot; 2033. Spring; 2034. Fixed protrusion; 2041. Plug-in rod; 2042. Fixed slot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a glass fiber reinforced plastic steel pipe, comprising a steel pipe body 1, the steel pipe body 1 comprising an inner layer pipe 101, the outer surface of the inner layer pipe 101 is provided with a high-strength plastic layer 102, the outer surface of the high-strength plastic layer 102 is provided with a glass fiber layer 103, by providing the high-strength plastic layer 102 and the glass fiber layer 103, the strength of the steel pipe body 1 is enhanced, the outer surface of the glass fiber layer 103 is provided with an outer protective layer 104, the outer protective layer 104 can isolate the influence of the external environment on the glass fiber layer 103, and at the same time enhance the high temperature resistance of the steel pipe body 1;

[0026] A plurality of protective components 2 are arranged on the outer surface of the steel pipe body 1, and the protective component 2 includes a first protective half ring 201 and a second protective half ring 202. A clamping block 203 is symmetrically arranged on one side of the first protective half ring 201, and a clamping rod 204 is symmetrically arranged on one side of the second protective half ring 202. A rubber block 205 is fixedly connected to one side of the first protective half ring 201 and the second protective half ring 202. By setting the protective component 2, the protective component 2 includes the first protective half ring 201, the second protective half ring 202, the clamping block 203, the clamping rod 204, and the rubber block 205, so as to protect the steel pipe body 1 from being damaged by collision during transportation.

[0027] The high-strength plastic layer 102 is polyphenylene sulfide plastic, the glass fiber layer 103 is high-strength glass fiber, and the outer protective layer 104 is PEEK material.

[0028] The clamping block 203 includes a fixing seat 2031, and a plug-in slot 2032 is provided inside the fixing seat 2031. The top wall and the bottom wall of the plug-in slot 2032 are fixedly connected to a plurality of springs 2033. One end of the spring 2033 is fixedly connected to a fixing protrusion 2034, and the fixing protrusion 2034 is a "hemispherical body". The clamping rod 204 includes a plug-in rod 2041, and a plurality of fixing slots 2042 are provided on the upper and lower surfaces of the plug-in rod 2041. The fixing slot 2042 is used for placing the fixing protrusion 2034, and then clamping is performed to realize the clamping installation of the clamping block 203 and the clamping rod 204. The fixing slot 2042 is "hemispherical".

[0029] Working principle: When in use, the clamping rod 204 of the second protective half ring 202 is inserted into the clamping block 203 of the first protective half ring 201, and the plug-in rod 2041 enters the plug-in groove 2032 of the fixed seat 2031. The plug-in rod 2041 squeezes the fixed protrusion 2034, and the fixed protrusion 2034 squeezes the spring 2033. The second spring 2033 is compressed, and the fixed protrusion 2034 moves toward the spring 2033. The plug-in rod 2041 continues to move. When it moves to the innermost part, the spring 2033 resets, driving the fixed protrusion 2034 to move, and the fixed protrusion 2034 enters the fixed groove 2042 to complete the clamping, thereby completing the installation of the protective component 2.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A glass fiber reinforced plastic steel pipe, comprising a steel pipe body (1), characterized in that: The steel pipe body (1) comprises an inner layer pipe (101), the outer surface of the inner layer pipe (101) is provided with a high-strength plastic layer (102), the outer surface of the high-strength plastic layer (102) is provided with a glass fiber layer (103), and the outer surface of the glass fiber layer (103) is provided with an outer protective layer (104); The outer surface of the steel pipe body (1) is provided with a plurality of protection components (2), and the protection components (2) include a first protection half ring (201) and a second protection half ring (202), one side of the first protection half ring (201) is symmetrically provided with a clamping block (203), one side of the second protection half ring (202) is symmetrically provided with a clamping rod (204), and one side of the first protection half ring (201) and the second protection half ring (202) are both fixedly connected with a rubber block (205).

2. A glass fiber reinforced plastic steel pipe as claimed in claim 1, characterized in that: The high-strength plastic layer (102) is polyphenylene sulfide plastic.

3. A glass fiber reinforced plastic steel pipe as claimed in claim 1, characterized in that: The glass fiber layer (103) is high-strength glass fiber.

4. A glass fiber reinforced plastic steel pipe as claimed in claim 1, characterized in that: The outer protective layer (104) is made of PEEK material.

5. A glass fiber reinforced plastic steel pipe as claimed in claim 1, characterized in that: The clamping block (203) comprises a fixing seat (2031), a plug-in slot (2032) is provided inside the fixing seat (2031), a plurality of springs (2033) are fixedly connected to the top wall and the bottom wall of the plug-in slot (2032), and a fixing protrusion (2034) is fixedly connected to one end of the spring (2033).

6. A glass fiber reinforced plastic steel pipe as claimed in claim 5, characterized in that: The fixing protrusion (2034) is a "hemispherical body".

7. A glass fiber reinforced plastic steel pipe as claimed in claim 1, characterized in that: The clamping rod (204) comprises an inserting rod (2041), and a plurality of fixing grooves (2042) are provided on the upper and lower surfaces of the inserting rod (2041).

8. A glass fiber reinforced plastic steel pipe as claimed in claim 7, characterized in that: The fixing groove (2042) is "hemispherical".

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