Glass fiber reinforced plastic pipe joint and mold

Abstract

The utility model provides a glass fiber reinforced plastic pipe joint and a mould, which comprise a first flange plate, a second flange plate, a third flange plate, a fourth flange plate, a plurality of groups of first dowel bars, an elastic air pipe and a sealing pressure rod, the second flange plate is arranged on the right side of the first flange plate, and a plurality of groups of first dowel bars are arranged between the first flange plate and the second flange plate. A third flange plate is arranged at the right end of the second flange plate, an elastic air pipe is arranged between the second flange plate and the third flange plate, a fourth flange plate is arranged on the right side of the third flange plate, and sealing pressure rods are arranged on the inner sides of the second flange plate and the third flange plate. According to the design, the problems that a glass fiber reinforced plastic pipe joint is inconvenient to maintain and is inconvenient to install and use are solved, the structure is reasonable, the influence of temperature and pressure changes on the joint can be reduced by matching the double-layer flange plate structure with the dowel bar, and the design of the elastic air pipe facilitates subsequent maintenance, installation and use.

Description

Technical Field

[0001] The utility model relates to a glass steel pipe joint and a mold, belonging to the field of glass steel pipe joints and molds. Background Technique

[0002] Fiberglass reinforced plastic is a kind of reinforced plastic with glass fiber or its products as the reinforcing material. It has both the hardness of glass, high temperature resistance, and corrosion resistance, and the characteristics of being as hard as steel and not broken. Glass steel pipes have been widely used in industries such as petroleum, electric power, chemical industry, papermaking, urban water supply and drainage, factory sewage treatment, seawater desalination, and gas transmission due to their unique strong corrosion resistance, smooth inner surface, low conveying energy consumption, long service life, convenient transportation and installation, low maintenance cost, and low comprehensive cost.

[0003] Chinese Patent No. CN102182891A proposed a glass steel pipe joint and a mold, which uses resin materials to weld and connect two glass steel pipes inside the fiberglass reinforced plastic. Due to the special nature of the fiberglass reinforced plastic material, this method is not conducive to the repair and reuse of equipment, and has poor practicability. Now, there is an urgent need for a glass steel pipe joint and a mold to solve the above problems. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a glass steel pipe joint and a mold to solve the problems raised in the above background technology. The structure of the utility model is reasonable. The double-layer flange structure and the force transfer rod can reduce the influence of temperature and pressure changes on the joint, and the design of the elastic air duct is convenient for subsequent maintenance, installation, and use.

[0005] In order to achieve the above purpose, the utility model is realized through the following technical solutions: A glass steel pipe joint and a mold, the glass steel pipe joint includes a first flange, a second flange, a third flange, a fourth flange, a first force transfer rod, a second force transfer rod, an elastic air duct, and a sealing pressure rod. The second flange is arranged on the right side of the first flange, and several groups of first force transfer rods are arranged between the first flange and the second flange. The third flange is arranged at the right end of the second flange, and the elastic air duct is arranged between the second flange and the third flange. The fourth flange is arranged on the right side of the third flange, the sealing pressure rod is arranged inside the second flange and the third flange, and the second force transfer rod is arranged between the third flange and the fourth flange.

[0006] Furthermore, several groups of first positioning holes are arranged on the surface of the first flange, several groups of first installation holes are arranged on the surface of the first flange, and threads are arranged inside the first flange.

[0007] Further, a number of groups of second positioning holes are formed on the surface of the second flange, and the number of groups of the second positioning holes corresponds to that of the first positioning holes one by one. A number of groups of second mounting holes are formed on the surface of the second flange, and the number of groups of the second mounting holes corresponds to that of the first mounting holes one by one.

[0008] Further, a number of groups of the first force transmission rods penetrate through the first mounting holes and the second mounting holes, and the first flange is connected to the second flange through the first force transmission rods. A nut is arranged at the left end of the first force transmission rod. The first force transmission rod is limited and fixed to the first flange through a front bolt, and the first force transmission rod is limited and fixed to the second mounting hole through a rear bolt.

[0009] Further, a pressure bolt is arranged at one end of the sealing pressure rod relatively close to the second flange, and a washer is arranged at the other end of the sealing pressure rod relatively far from the second flange.

[0010] Further, the third flange and the fourth flange are mirror-symmetrical to the first flange and the second flange. One end of the elastic air duct is located between the inner wall of the second flange and the washer and is fixed through a sealing lip, and the other end of the elastic air duct is fixedly connected to the third flange in the same manner.

[0011] Advantages of the present utility model: For a glass steel pipe joint and a mold thereof according to the present utility model, since the first flange, the second flange, the third flange, the fourth flange, the first force transmission rod, the second force transmission rod, the sealing pressure rod and the elastic air duct are added in the present utility model, the flange group composed of the first flange, the second flange and the first force transmission rod can greatly reduce the damage to the joint caused by factors such as temperature and pressure. The elastic air duct can adjust the entire steel pipe structure in terms of length, and the installation is convenient. This design solves the problems that the glass steel pipe joint is not convenient for maintenance and is not convenient during the installation and use process. The structure of the product is reasonable and has strong practicability. Description of the Drawings

[0012] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objectives and advantages of the present utility model will become more obvious:

[0013] Figure 1 It is a front view structural schematic diagram of a glass steel pipe joint and a mold thereof according to the present utility model;

[0014] Figure 2 It is another perspective structural schematic diagram of a glass steel pipe joint and a mold thereof according to the present utility model;

[0015] Figure 3 It is a partial structural schematic diagram of a glass steel pipe joint and a mold thereof according to the present utility model;

[0016] Figure 4This is a partial structural sectional view of a glass steel pipe joint and a mold of the present utility model;

[0017] Figure 5 This is a partial structural sectional view of a glass steel pipe joint and a mold of the present utility model;

[0018] In the figure: 1 - First flange, 11 - First positioning hole, 12 - First mounting hole, 13 - Thread, 2 - Second flange, 21 - Second positioning hole, 22 - Second mounting hole, 3 - Third flange, 4 - Fourth flange, 5 - First force transfer rod, 51 - Front bolt, 52 - Nut, 53 - Rear bolt, 6 - Second force transfer rod, 7 - Elastic air duct, 8 - Sealing pressure rod, 81 - Pressure bolt, 82 - Washer, 83 - Sealing lip Specific embodiments

[0019] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] Please refer to Figures 1 - 5 , the present utility model provides a technical solution: a glass steel pipe joint and a mold, including a first flange 1, a second flange 2, a third flange 3, a fourth flange 4, a first force transfer rod 5, a second force transfer rod 6, an elastic air duct 7 and a sealing pressure rod 8. A second flange 2 is arranged on the right side of the first flange 1, and several groups of first force transfer rods 5 are arranged between the first flange 1 and the second flange 2. A third flange 3 is arranged at the right end of the second flange 2, and an elastic air duct 7 is arranged between the second flange 2 and the third flange 3. A fourth flange 4 is arranged on the right side of the third flange 3, a sealing pressure rod 8 is arranged inside the second flange 2 and the third flange 3, and a second force transfer rod 6 is arranged between the third flange 3 and the fourth flange 4. This design solves the problems that the glass steel pipe joint is not convenient for maintenance and is not convenient during the installation and use process.

[0021] As the first embodiment of the present utility model: On the surface of the first flange 1, several groups of first positioning holes 11 are provided. On the surface of the first flange 1, several groups of first mounting holes 12 are provided. Inside the first flange 1, a thread 13 is provided. On the surface of the second flange 2, several groups of second positioning holes 21 are provided. The several groups of second positioning holes 21 correspond to the first positioning holes 11 one by one. On the surface of the second flange 2, several groups of second mounting holes 22 are provided. The several groups of second mounting holes 22 correspond to the first mounting holes 12 one by one. Several groups of first force transmission rods 5 pass through the first mounting holes 12 and the second mounting holes 22. The first flange 1 is connected to the second flange 2 through the first force transmission rods 5, so that all the first force transmission rods 5 are kept parallel. At the left end of the first force transmission rod 5, a nut 52 is provided. Between the first force transmission rod 5 and the first flange 1, it is limited and fixed by a front bolt 51. Between the first force transmission rod 5 and the second mounting hole 22, it is limited and fixed by a rear bolt 53. Through the fixing of the front bolt 51 and the rear bolt 53, the force transmission rod can better distribute the force between the first flange 1 and the second flange 2. At one end of the sealing pressure rod 8 relatively close to the second flange 2, a pressure bolt 81 is provided. On the other side of the sealing pressure rod 8, at one end relatively far from the second flange 2, a washer 82 is provided. The third flange 3 and the fourth flange 4 are mirror-symmetrical to the first flange 1 and the second flange 2. One end of the elastic air duct 7 is located between the inner wall of the second flange 2 and the washer 82 and is fixed by a sealing lip 83. The other end of the elastic air duct 7 is fixedly connected to the third flange 3 in the same way, increasing the airtightness inside.

[0022] As the second embodiment of the present utility model: When the user installs the present utility model, the first flange 1 can be joined to the glass steel pipe nozzle through the thread 13 on the first flange 1, and then the first flange 1 and the second flange 2 are connected and fixed, and several groups of first force transmission rods 5, sealing pressure rods 8, sealing lips 83, and washers are installed in sequence. The third flange 3 and the fourth flange 4 are joined to another glass steel pipe to be connected in the same way. Finally, the elastic air duct 7 is installed between the second flange 2 and the third flange 3 and is fixed through the sealing pressure rod 8, the sealing lip 83, and the washer. In this way, the installation is completed. During the use process, several groups of first force transmission rods 5 and second force transmission rods 6 can distribute the deformation force received by the joint due to temperature and pressure among the first flange 1, the second flange 2, the third flange 3, and the fourth flange 4. The elastic air duct 7 uses a corrosion-resistant and easily extensible material. When there are restrictions on the pipe installation method due to space and other conditions, the shape and length of the elastic air duct 7 can be changed to effectively solve the above problems.

[0023] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For a person skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0024] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A glass steel pipe joint and a mold, comprising a first flange, a second flange, a third flange, a fourth flange, a first force transmission rod, a second force transmission rod, an elastic air duct and a sealing pressure rod, characterized in that: A second flange is provided on the right side of the first flange. A number of groups of first force transmission rods are provided between the first flange and the second flange. A third flange is provided on the right side of the second flange. An elastic air duct is provided between the second flange and the third flange. A fourth flange is provided on the right side of the third flange. Sealing pressure rods are provided inside the second flange and the third flange. Second force transmission rods are provided between the third flange and the fourth flange.

2. The glass steel pipe joint and die according to claim 1, characterized in that: A number of groups of first positioning holes are provided on the surface of the first flange. A number of groups of first mounting holes are provided on the surface of the first flange. Threads are provided inside the first flange.

3. The glass steel pipe joint and mold according to claim 2, characterized in that: A number of groups of second positioning holes are provided on the surface of the second flange. The number of groups of second positioning holes corresponds to the first positioning holes one by one. A number of groups of second mounting holes are provided on the surface of the second flange. The number of groups of second mounting holes corresponds to the first mounting holes one by one.

4. A glass steel pipe joint and mold according to claim 3, characterized in that: A number of groups of the first force transmission rods pass through the first mounting holes and the second mounting holes. The first flange is connected to the second flange through the first force transmission rods. A nut is provided at the left end of the first force transmission rod. The first force transmission rod is limited and fixed to the first flange through a front bolt. The first force transmission rod is limited and fixed to the second mounting hole through a rear bolt.

5. A glass steel pipe joint and a mold according to claim 1, characterized in that: A pressure bolt is provided at one end of the sealing pressure rod relatively close to the second flange. A washer is provided at the other end of the sealing pressure rod relatively far from the second flange.

6. A glass steel pipe joint and a mold according to claim 5, characterized in that: The third flange and the fourth flange are mirror-symmetrical to the first flange and the second flange. One end of the elastic air duct is located between the inner wall of the second flange and the washer and is fixed through a sealing lip. The other end of the elastic air duct is fixedly connected to the third flange in the same manner.

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