Glass fiber reinforced plastic pipeline sleeving structure

Abstract

The utility model discloses a glass fiber reinforced plastic pipe sleeving structure which comprises a first glass fiber reinforced plastic pipe and a first protection cylinder arranged on the inner side of a first limiting cylinder, and a glass fiber reinforced plastic pipe inner cavity is formed in the first glass fiber reinforced plastic pipe. And the anti-slip strip is arranged on the outer side of the protective sleeve, a connecting plate is arranged on the right side of the first protective cylinder, a sealing ring is arranged on the outer side of the connecting plate, and a second positioning block is installed on the front side of the first positioning block. According to the glass fiber reinforced plastic pipeline sleeving structure, by additionally arranging the connecting assembly and the anti-slip strip, after the first protection barrel and the first glass fiber reinforced plastic pipe are clamped, the first protection barrel, the first glass fiber reinforced plastic pipe and the first limiting barrel can be connected and reinforced by screwing the connecting bolt into the connecting base; and meanwhile, the sealing ring and the first positioning block are additionally arranged, so that the sealing performance of the glass reinforced plastic pipe sleeving structure on the connection of the glass reinforced plastic pipe is conveniently improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fiberglass pipes, and specifically relates to a socket structure for fiberglass pipes. Background Technique

[0002] Fiberglass pipes are lightweight, high-strength, and corrosion-resistant non-metallic pipes. Their pipe wall structures are reasonable and advanced, which can give full play to the role of materials. Under the premise of meeting the use strength, the rigidity is improved, and the stability and reliability of the products are ensured. Fiberglass sand-filled pipes are accepted by the majority of users because of their excellent chemical corrosion resistance, lightweight and high strength, no scaling, strong seismic resistance, longer service life compared with ordinary steel pipes, lower comprehensive cost, quick installation, safety and reliability, etc. When the existing fiberglass pipes are socket-assembled, it is very easy to be difficult to put into use due to poor sealing. Therefore, it is very important to design a new socket structure for fiberglass pipes. For example:

[0003] A glass steel pipe connection device with the Chinese patent authorization publication number CN204573387U includes two pipe joints for connecting pipe fittings, namely a first pipe joint and a second pipe joint. The pipe fitting connection parts of the two pipe joints are respectively sleeved with the fiberglass pipes to be connected. The front end of the pipe fitting connection part of the first pipe joint is provided with a protruding annular clamping part. Two external annular grooves are arranged on the annular clamping part, and sealing rubber rings are arranged in the external annular grooves. The annular clamping part is connected with the clamping and matching part at one end of the second pipe joint. A plurality of internal annular grooves are arranged on the inner wall of the pipe fitting connection part, and elastic gaskets are arranged in the internal annular grooves. Preferably, the thickness of the elastic gasket is 10-15 mm; a fastening component is also arranged on the pipe fitting connection part; the fastening component is a clamp; the glass steel pipe connection device of the utility model is safe and reliable, has a wide application range, strong anti-seepage ability, quick installation, and is beneficial to improving production efficiency.

[0004] However, the above-mentioned existing technical solutions have the following defects: it is not convenient to improve the sealing performance of the socket structure of the fiberglass pipe for connecting fiberglass pipes. At the same time, it is not convenient to achieve the stability of the connection of the socket structure of the fiberglass pipe. Therefore, the utility model provides a socket structure for fiberglass pipes to solve the above-mentioned problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a socket structure for fiberglass pipes to solve the problems that it is not convenient to improve the sealing performance of the socket structure of the fiberglass pipe for connecting fiberglass pipes and it is not convenient to achieve the stability of the connection of the socket structure of the fiberglass pipe as mentioned in the above background technique.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glass fiber reinforced plastic pipe sleeve structure, comprising a first glass fiber reinforced plastic pipe, a glass fiber reinforced plastic pipe inner cavity is provided inside the first glass fiber reinforced plastic pipe, and a first limiting cylinder is arranged on the inner side of the first glass fiber reinforced plastic pipe, and further comprising a first protective cylinder arranged on the inner side of the first limiting cylinder, and a connecting assembly is arranged on the outer side of the first protective cylinder, the connecting assembly comprises a connecting seat arranged on the outer side of the first protective cylinder, a connecting bolt is arranged on the inner side of the connecting seat, and a protective sleeve is installed on the outer side of the connecting bolt;

[0007] An anti-slip strip is arranged on the outside of the protective sleeve, a connecting plate is arranged on the right side of the first protective tube, and a connecting plate is installed on the right side of the connecting plate, a sealing ring is arranged on the outside of the connecting plate, and a first positioning block is arranged on the outside of the connecting plate, a second positioning block is installed on the front side of the first positioning block, and a fixing block is arranged on the outside of the second positioning block, and a fixing bolt is connected to the inside of the fixing block;

[0008] The second protection tube is arranged on the right side of the connecting plate, and a second limiting tube is arranged on the inner side of the second protection tube, and a second glass fiber reinforced plastic tube is installed on the outer side of the second limiting tube.

[0009] Preferably, the first limiting cylinder is relatively engaged with the first glass fiber reinforced plastic tube, and the diameter of the first limiting cylinder is smaller than the diameter of the first glass fiber reinforced plastic tube.

[0010] Preferably, the first protective tube is relatively snap-fitted and connected to the first glass fiber reinforced plastic tube, and the connecting seat is arranged at an equal angle with respect to the center of the first protective tube.

[0011] Preferably, the connecting bolt is threadedly connected to the connecting seat, the first fiberglass reinforced plastic pipe and the first limiting cylinder, and the connecting bolt passes through the interior of the connecting seat.

[0012] Preferably, the protective sleeve is relatively snap-fitted and connected to the connecting seat, and the anti-slip strips are arranged at equal angles with respect to the center of the protective sleeve.

[0013] Preferably, the sealing ring is relatively engaged with the connecting plate and the second protective tube, and the diameter of the sealing ring is larger than the inner diameter of the first protective tube and the second protective tube.

[0014] Preferably, the first positioning block is relatively snap-connected with the connecting plate and the second protective tube, and the engaging block is vertically symmetrically arranged with respect to the center line of the first positioning block, and the engaging bolt passes through the interior of the engaging block.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this glass fiber reinforced plastic (FRP) pipe socket structure, by adding a connection assembly and anti-slip strips, after the first protective cylinder is engaged with the first FRP pipe, by screwing a connection bolt into the inside of the connection seat, the connection of the first protective cylinder, the first FRP pipe, and the first limiting cylinder can be strengthened. Compared with traditional technologies, it is convenient to achieve the connection stability of the FRP pipe socket structure. At the same time, by adding a sealing ring and a first positioning block, it is convenient to improve the sealing performance of the FRP pipe socket structure for connecting FRP pipes. The specific operations are as follows:

[0016] 1. There are a first protective cylinder and a first limiting cylinder. By making the inner wall of the first protective cylinder contact the outer wall of the first FRP pipe, the right-side joint of the first FRP pipe is protected inside the cavity formed by the first limiting cylinder and the first protective cylinder, which is convenient to achieve the protective effect of the FRP pipe socket structure on the FRP pipe joint;

[0017] 2. There are a connection assembly and anti-slip strips. After the connection bolt passes through the inside of the connection seat and is threadedly connected to the first limiting cylinder, the connection between the first limiting cylinder, the first FRP pipe, and the first protective cylinder is strengthened. After the fingertips contact the anti-slip strips, the protective sleeve is engaged with the outside of the connection seat, which is convenient to achieve the connection stability of the FRP pipe socket structure;

[0018] 3. There are a sealing ring and a first positioning block. By engaging the front ends of the outer sides of the first protective cylinder and the second protective cylinder with the second positioning block, and screwing a connection bolt into the engagement block where the first positioning block and the second positioning block contact, the connection between the first positioning block and the second positioning block is made tight through the engagement block and the connection bolt, which is convenient to improve the sealing performance of the FRP pipe socket structure for connecting FRP pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front sectional structure schematic diagram of the present utility model;

[0020] Figure 2 is an overall exploded structure schematic diagram of the connection between the second positioning block and the first positioning block of the present utility model;

[0021] Figure 3 is a front view structure schematic diagram of the connection between the second positioning block and the engagement block of the present utility model;

[0022] Figure 4 is an overall exploded structure schematic diagram of the connection between the connection plate and the first protective cylinder of the present utility model;

[0023] Figure 5 of the present utility model Figure 1 is an enlarged structure schematic diagram of part A in

[0024] In the figure: 1. First fiberglass pipe; 2. Inner cavity of the fiberglass pipe; 3. First limiting cylinder; 4. First protective cylinder; 5. Connection assembly; 501. Connection seat; 502. Connection bolt; 503. Protective sleeve; 6. Anti-slip strip; 7. Connection plate; 8. Connecting plate; 9. Sealing ring; 10. First positioning block; 11. Second positioning block; 12. Connecting and fixing block; 13. Connecting and fixing bolt; 14. Second protective cylinder; 15. Second limiting cylinder; 16. Second fiberglass pipe. Detailed implementation mode

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1 - 5 , the present invention provides a technical solution: a socket structure for a fiberglass pipe, including a first fiberglass pipe 1, an inner cavity 2 of the fiberglass pipe is opened inside the first fiberglass pipe 1, and a first limiting cylinder 3 is arranged on the inner side of the first fiberglass pipe 1. It also includes a first protective cylinder 4 arranged inside the first limiting cylinder 3, and a connection assembly 5 is arranged on the outer side of the first protective cylinder 4. The connection assembly 5 includes a connection seat 501 arranged on the outer side of the first protective cylinder 4, a connection bolt 502 is arranged on the inner side of the connection seat 501, and a protective sleeve 503 is installed on the outer side of the connection bolt 502;

[0027] An anti-slip strip 6 is arranged on the outer side of the protective sleeve 503. A connection plate 7 is arranged on the right side of the first protective cylinder 4, and a connecting plate 8 is installed on the right side of the connection plate 7. A sealing ring 9 is arranged on the outer side of the connecting plate 8, and a first positioning block 10 is arranged on the outer side of the connecting plate 8. A second positioning block 11 is installed on the front side of the first positioning block 10, and a connecting and fixing block 12 is arranged on the outer side of the second positioning block 11, and a connecting and fixing bolt 13 is connected to the inner side of the connecting and fixing block 12;

[0028] A second protective cylinder 14 is arranged on the right side of the connecting plate 8, a second limiting cylinder 15 is arranged inside the second protective cylinder 14, and a second fiberglass pipe 16 is installed on the outer side of the second limiting cylinder 15, combining to form a socket structure for a fiberglass pipe.

[0029] Such as Figure 1 and Figure 4As shown, the first limiting cylinder 3 is relatively snap-fitted and connected to the first fiberglass pipe 1, and the diameter of the first limiting cylinder 3 is smaller than that of the first fiberglass pipe 1. The first protective cylinder 4 is relatively snap-fitted and connected to the first fiberglass pipe 1, and the connecting seats 501 are arranged at equal angles around the center of the first protective cylinder 4. The first limiting cylinder 3 is inserted into the inner cavity 2 of the fiberglass pipe inside the first fiberglass pipe 1, so that the outer wall of the first limiting cylinder 3 is snap-fitted with the inner wall of the first fiberglass pipe 1. At this time, the inner wall of the first protective cylinder 4 is in contact with the outer wall of the first fiberglass pipe 1. The right-side joint of the first fiberglass pipe 1 is protected inside the cavity formed by the first limiting cylinder 3 and the first protective cylinder 4, which is convenient for realizing the protection of the fiberglass pipe joint by the fiberglass pipe socket structure.

[0030] As Figure 1 , Figure 3 and Figure 5 shown, the connecting bolt 502 is relatively threadedly connected to the connecting seat 501, the first fiberglass pipe 1 and the first limiting cylinder 3, and the connecting bolt 502 penetrates through the inside of the connecting seat 501. The protective sleeve 503 is relatively snap-fitted and connected to the connecting seat 501, and the anti-slip strips 6 are arranged at equal angles around the center of the protective sleeve 503. After the first protective cylinder 4 is snap-fitted with the first fiberglass pipe 1, the connecting bolt 502 is tightened inside the connecting seat 501 on the outside of the first protective cylinder 4, so that after the connecting bolt 502 penetrates through the inside of the connecting seat 501, it is threadedly connected to the first limiting cylinder 3. The connection between the first limiting cylinder 3, the first fiberglass pipe 1 and the first protective cylinder 4 is strengthened. After the finger pulp contacts the anti-slip strips 6, the protective sleeve 503 is snap-fitted with the outside of the connecting seat 501, which is convenient for realizing the stability of the connection of the fiberglass pipe socket structure.

[0031] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the sealing ring 9 is relatively snap-fitted to both the connecting plate 7 and the second protective cylinder 14, and the diameter of the sealing ring 9 is larger than the inner diameters of the first protective cylinder 4 and the second protective cylinder 14. The first positioning block 10 is relatively snap-fitted to both the connecting plate 7 and the second protective cylinder 14, and the engaging block 12 is symmetrically arranged up and down with respect to the center line of the first positioning block 10. And the engaging bolt 13 passes through the inside of the engaging block 12. After the sealing ring 9 connected to the connecting plate 8 is snap-fitted to both the first protective cylinder 4 and the second protective cylinder 14, the outer rear end of the connecting plate 7 and the second protective cylinder 14 is snap-fitted to the first positioning block 10, and the outer front end of the connecting plate 7 and the second protective cylinder 14 is snap-fitted to the second positioning block 11. The engaging bolt 13 is screwed into the engaging block 12 where the first positioning block 10 and the second positioning block 11 are in contact, so that the first positioning block 10 and the second positioning block 11 are tightly connected through the engaging block 12 and the engaging bolt 13, which is convenient to improve the sealing performance of the glass fiber reinforced plastic pipe socket structure for connecting the glass fiber reinforced plastic pipes. This is the usage method of the glass fiber reinforced plastic pipe socket structure.

[0032] The standard parts used in the present invention can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A glass fiber reinforced plastic pipe sleeve structure, comprising a first glass fiber reinforced plastic pipe (1), a glass fiber reinforced plastic pipe inner cavity (2) is provided inside the first glass fiber reinforced plastic pipe (1), and a first limiting cylinder (3) is provided inside the first glass fiber reinforced plastic pipe (1), characterized in that: It also comprises a first protective tube (4) arranged on the inner side of the first limiting tube (3), and a connecting assembly (5) is arranged on the outer side of the first protective tube (4), the connecting assembly (5) comprises a connecting seat (501) arranged on the outer side of the first protective tube (4), a connecting bolt (502) is arranged on the inner side of the connecting seat (501), and a protective sleeve (503) is installed on the outer side of the connecting bolt (502); An anti-slip strip (6) is arranged on the outside of the protective sleeve (503); a connecting plate (7) is arranged on the right side of the first protective tube (4); a connecting plate (8) is installed on the right side of the connecting plate (7); a sealing ring (9) is arranged on the outside of the connecting plate (8); a first positioning block (10) is arranged on the outside of the connecting plate (8); a second positioning block (11) is installed on the front side of the first positioning block (10); a fixing block (12) is arranged on the outside of the second positioning block (11); and a fixing bolt (13) is connected to the inside of the fixing block (12); The second protective cylinder (14) is arranged on the right side of the connecting plate (8), and a second limiting cylinder (15) is arranged on the inner side of the second protective cylinder (14), and a second glass fiber reinforced plastic pipe (16) is installed on the outer side of the second limiting cylinder (15).

2. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The first limiting cylinder (3) is relatively engaged and connected to the first glass fiber reinforced plastic tube (1), and the diameter of the first limiting cylinder (3) is smaller than the diameter of the first glass fiber reinforced plastic tube (1).

3. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The first protective tube (4) is relatively snap-fitted and connected to the first glass fiber reinforced plastic tube (1), and the connecting seat (501) is arranged at an equal angle with respect to the center of the first protective tube (4).

4. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The connecting bolt (502) is threadedly connected to the connecting seat (501), the first glass fiber reinforced plastic pipe (1) and the first limiting cylinder (3), and the connecting bolt (502) passes through the interior of the connecting seat (501).

5. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The protective sleeve (503) is relatively engaged and connected to the connecting seat (501), and the anti-slip strip (6) is arranged at an equal angle with respect to the center of the protective sleeve (503).

6. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The sealing ring (9) is relatively engaged with the connecting plate (7) and the second protective tube (14), and the diameter of the sealing ring (9) is larger than the inner diameters of the first protective tube (4) and the second protective tube (14).

7. The glass fiber reinforced plastic pipe sleeve structure according to claim 1, characterized in that: The first positioning block (10) is relatively engaged with the connecting plate (7) and the second protective tube (14), and the engaging block (12) is symmetrically arranged with respect to the center line of the first positioning block (10), and the engaging bolt (13) passes through the interior of the engaging block (12).

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