High wear-resistant composite PVC pipe

Abstract

The utility model discloses a kind of high wear-resistant composite PVC pipes, belong to PVC pipe technical field. Including the first fixed pipe and the second fixed pipe are fixedly connected in the end portion of bellows respectively, the outside of bellows is oppositely provided with two locating arc plates, limiting slot is passed through and is set on locating arc plate, the locating block of sliding connection with limiting slot is fixedly connected on the second fixed pipe, multiple adjusting grooves are all set on the inner wall of the opposite sides of limiting slot, locating block is provided with fixed mechanism and dismounting mechanism, the first fixed pipe and the second fixed pipe are fixedly connected with connection end head in the end away from bellows, the utility model is shortened by making bellows elongation or, to improve or shorten the overall length of pipe body, so that the overall length of pipe body can be applicable to the pipe butt joint of different interval, without cutting pipe body, more convenient and fast, save labor and efficient, to increase the practicability and flexibility of composite PVC pipe.

Description

Technical Field

[0001] This utility model relates to a high wear-resistant composite PVC pipe, belonging to the field of PVC pipe technology. Background Technology

[0002] In the field of pipeline engineering, PVC pipes are widely used in various scenarios such as water supply and drainage, chemical industry, and agricultural irrigation due to their good corrosion resistance, low cost and relatively simple installation process.

[0003] In actual pipeline laying and use, there are often situations where two fixed pipes need to be connected. Depending on the practical scenario, the distance between the two connecting pipes is also different. The traditional connection method is to cut the corresponding pipe according to the distance between the two connecting pipes. However, cutting the pipe is highly dependent on the experience of the construction personnel and is relatively laborious and time-consuming. As a result, the efficiency and flexibility of PVC pipe connection are low. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a high wear-resistant composite PVC pipe, which solves the problem that in the actual pipeline laying and use process, it is often necessary to connect two fixed pipes. Depending on the actual application scenario, the distance between the two connecting pipes is also different. The traditional connection method is to cut the corresponding pipe according to the distance between the two connecting pipes. However, cutting the pipe depends heavily on the experience of the construction personnel and is relatively laborious and time-consuming. Therefore, the efficiency and flexibility of PVC pipe connection are low.

[0005] The technical problem to be solved by this utility model is achieved by the following technical solution: a high wear-resistant composite PVC pipe, including a first fixed pipe and a second fixed pipe respectively fixedly connected to the end of a corrugated pipe, two positioning arc plates are arranged opposite to each other on the outer side of the corrugated pipe, and a limiting groove is opened through the positioning arc plates. A positioning block that is slidably connected to the limiting groove is fixedly connected to the second fixed pipe. Multiple adjustment grooves are opened on the inner walls of opposite sides of the limiting groove. A fixing mechanism and a disassembly mechanism are provided on the positioning block. A connecting end is fixedly connected to the end of the first fixed pipe and the second fixed pipe away from the corrugated pipe. A rotating ring is threadedly connected to the connecting end. A sliding groove is opened through the thread of the connecting end. A positioning mechanism is slidably arranged in the sliding groove.

[0006] The fixing mechanism secures the positioning block to the limiting groove by inserting it into the adjusting groove;

[0007] The first fixed tube is equipped with two sets of support components, which are used to provide support for one end of the positioning arc plate;

[0008] The disassembly mechanism is used to release the fixing mechanism from fixing the positioning block and the limiting groove;

[0009] An external pipe is inserted into the inside of the connector end, and the positioning mechanism fixes the connector end and the external pipe.

[0010] By adopting the above technical solution, during use, the fixing mechanism, by inserting into the adjusting groove, prevents relative displacement between the positioning block and the positioning arc plate, thus preventing relative sliding between them. This fixes the distance between the first and second fixing pipes, thereby fixing the expansion and contraction length of the corrugated pipe and the overall length of the pipe body. When the disassembly mechanism is pushed to slide the fixing mechanism out of the adjusting groove, it releases the fixing mechanism from the positioning block and the positioning arc plate. Glue is applied to the end of the pipe to be connected and the inner wall of the connecting end. Then, the glued end is inserted into the connecting end. Rotating the rotating ring pushes the positioning mechanism to move. During the movement, the positioning mechanism contacts and squeezes the outer surface of the connecting pipe, thus clamping the connecting pipe in place within the connecting end. This prevents the connecting pipe from detaching from the connecting end due to the shrinkage or expansion of the corrugated pipe during the curing and drying process of the glue.

[0011] The present invention is further configured such that: the support component includes two first rotating blocks arranged opposite to each other and fixedly connected to the first fixed tube, a second rotating block is rotatably connected to the first rotating block, the second rotating block is fixedly connected to the positioning arc plate, and the inner wall of the positioning arc plate is fixedly connected to two rubber arc blocks that respectively fit against the second fixed tube and the first fixed tube.

[0012] By adopting the above technical solution, the second rotating block and the first rotating block cooperate to support the end of the positioning arc plate near the first fixed tube. On the one hand, this ensures the stability of the positioning arc plate and makes the two positioning arc plates fit together more securely. On the other hand, the rubber arc block also supports the positioning arc plate. After the two positioning arc plates fit together, the rubber arc block fits into the first or second fixed tube, thereby making the connection between the positioning arc plate and the corrugated pipe and the first fixed tube tighter and further improving the positioning stability of the positioning arc plate.

[0013] The present invention is further configured such that: the fixing mechanism includes an inner cavity opened in the positioning block, a push block is slidably connected in the inner cavity, a positioning slide post is fixedly connected to the side of the push block near the adjustment groove and slides through the positioning block and can be inserted into the adjustment groove, and a spring is fixedly connected between the side of the push block away from the positioning slide post and the inner wall of the inner cavity.

[0014] The disassembly mechanism includes a support groove on one side of the positioning block and communicating with the interior of the cavity, and a positioning block that is slidably connected to the support groove is fixedly connected to one side of the push block.

[0015] By adopting the above technical solution, the positioning slide column inserted into the adjustment groove has a fixing effect on the positioning arc plate and the positioning block, so that the positioning block and the positioning arc plate cannot slide relative to each other, thereby fixing the distance between the first fixed pipe and the second fixed pipe, and thus fixing the extension length of the corrugated pipe, thereby fixing the overall length of the pipe body. When it is necessary to adjust the overall length of the pipe body, the support block can be pushed away from the adjustment groove, so that the support block drives the push block and the positioning slide column to move. During this process, the spring is squeezed and deformed, and the positioning slide column slides out of the adjustment groove. At this time, the fixing between the positioning block and the positioning arc plate is released, so that the positioning arc plate can rotate and the positioning block can slide in the limiting groove. At this time, the second fixed pipe can be pulled or pressed to achieve the purpose of lengthening or shortening the corrugated pipe, thereby increasing or shortening the overall length of the pipe body. This makes the overall length of the pipe body suitable for pipe connection with different spacings, without cutting the pipe body, which is more convenient, quick, labor-saving and efficient, thereby increasing the practicality and flexibility of the composite PVC pipe.

[0016] After the tube body is adjusted to a suitable length, the support block is released. Under the action of the spring release force, the support block, positioning slide and push block are pushed to reset, thereby driving the positioning slide into the adjustment groove in the appropriate position, realizing the positioning and fixing between the positioning arc plate and the positioning block again, thus realizing the fixing of the overall length of the tube body.

[0017] In this design, after the two positioning arc plates are closed, the fixing mechanism secures the positioning arc plates, which supports the bellows and prevents the bellows from being bent by the fluid under gravity when the fluid flows inside the bellows. This prevents the bellows from being easily blocked at the bend. The two positioning arc plates also restrict and support the bellows, keeping the bellows, the first fixed pipe, and the second fixed pipe at the same level, thus ensuring the smooth flow of fluid inside the bellows, the first fixed pipe, and the second fixed pipe.

[0018] The present invention is further configured as follows: the positioning mechanism includes a sliding block that is slidably connected to the sliding groove, the inner walls on both sides opposite to the sliding groove are provided with sliding grooves, a slider that is fixedly connected to the sliding block and inserted into the sliding groove, a fixed arc plate extending to the outside of the connecting end is fixedly connected to the sliding block, and a friction mechanism is provided on the sliding block.

[0019] The friction mechanism includes a rubber block fixed to the side of the sliding block away from the fixed arc plate, and multiple positioning protrusions are fixedly connected to the side of the rubber block away from the sliding block.

[0020] By adopting the above technical solution, glue is applied to both the end of the pipe to be connected and the inner wall of the connecting end. Then, the glued end is inserted into the connecting end. When the rotating ring is rotated, because the rotating ring is threaded to the corrugated pipe, it moves along the axis of the rotating ring during rotation. Because the fixed arc plate is arc-shaped, when the rotating ring moves closer to the fixed arc plate, the rotating ring contacts the fixed arc plate and pushes the fixed arc plate closer to the connecting pipe. The fixed arc plate simultaneously drives the sliding block and the rubber block to move closer to the pipe. During this process, the rubber block contacts the outer surface of the connecting pipe and squeezes and clamps the outer surface of the connecting pipe, thereby fixing the connecting pipe and the connecting end. This prevents the connecting pipe from separating from the connecting end due to the shrinkage or expansion of the corrugated pipe during the curing and drying process of the glue, thus ensuring the tightness of the pipe connection.

[0021] The beneficial effects of this utility model are: the second fixed tube can be pulled or pressed to achieve the purpose of lengthening or shortening the corrugated pipe, thereby increasing or shortening the overall length of the pipe body, so that the overall length of the pipe body can be used for pipe connection at different spacings without cutting the pipe body, which is more convenient, quick, labor-saving and efficient, thereby increasing the practicality and flexibility of the composite PVC pipe. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 For the present utility model Figure 1 Enlarged view of point A;

[0024] Figure 3 This is a schematic diagram of the corrugated pipe structure of this utility model;

[0025] Figure 4 This is a vertical cross-sectional view of the positioning block of this utility model;

[0026] Figure 5 This is a schematic diagram of the connecting pipe structure of this utility model.

[0027] In the picture:

[0028] 1. Corrugated pipe; 2. First fixed pipe; 3. Second fixed pipe; 4. First rotating block; 5. Second rotating block; 6. Positioning arc plate; 7. Rubber arc block; 8. Limiting groove; 9. Adjusting groove; 10. Connecting end; 11. Rotating ring; 12. Sliding groove; 13. Sliding block; 14. Sliding block; 15. Rubber block; 16. Fixed arc plate; 17. Sliding groove; 18. Sealing ring; 19. Positioning protrusion; 20. Support groove; 21. Positioning block; 22. Inner cavity; 23. Spring; 24. Push block; 25. Support block; 26. Positioning sliding column. Detailed Implementation

[0029] To facilitate a clear understanding of the technical means, creative features, objectives, and effects of this utility model, the following details... Figure 1-5 As shown, this utility model is further illustrated.

[0030] like Figure 1-5 As shown, this utility model is a high wear-resistant composite PVC pipe, including a corrugated pipe 1, a first fixed pipe 2, and a second fixed pipe 3. The first fixed pipe 2 and the second fixed pipe 3 are respectively fixedly connected to the ends of the corrugated pipe 1. The corrugated pipe 1, the first fixed pipe 2, and the second fixed pipe 3 are internally connected. Two positioning arc plates 6 are arranged opposite each other on the outer side of the corrugated pipe 1. The two positioning arc plates 6 are both semi-circular arc-shaped and mutually adapted. A limiting groove 8 is formed through the positioning arc plate 6. A slidable connection between the positioning arc plate 6 and the limiting groove 8 is fixedly connected to the second fixed pipe 3. The positioning block 21 and the limiting groove 8 have multiple adjustment grooves 9 on their opposite inner walls. The multiple adjustment grooves 9 are interconnected. The positioning block 21 is equipped with a fixing mechanism and a disassembly mechanism. The first fixing tube 2 and the second fixing tube 3 are fixedly connected to the end away from the corrugated tube 1 with a connecting end 10. The connecting end 10 is fixedly sleeved on the end of the first fixing tube 2. A rotating ring 11 is threaded on the connecting end 10. A sliding groove 12 is opened through the thread of the connecting end 10. A positioning mechanism is slidably arranged in the sliding groove 12.

[0031] The fixing mechanism fixes the positioning block 21 to the limiting groove 8 by inserting it into the adjusting groove 9;

[0032] Two sets of support components are provided on the first fixed tube 2. The support components are used to provide support for one end of the positioning arc plate 6.

[0033] The disassembly mechanism is used to release the fixing mechanism from fixing the positioning block 21 and the limiting groove 8;

[0034] An external pipe is inserted into the inner side of the connecting end 10, and the positioning mechanism fixes the connecting end 10 and the external pipe.

[0035] In use, the fixing mechanism inserts into the adjusting groove 9 to prevent relative displacement between the positioning block 21 and the positioning arc plate 6, thus preventing relative sliding between them. This fixes the distance between the first fixing pipe 2 and the second fixing pipe 3, thereby fixing the extension length of the corrugated pipe 1 and the overall length of the pipe body. When the disassembly mechanism is pushed to slide the fixing mechanism out of the adjusting groove 9, the disassembly mechanism releases the fixing mechanism from fixing the positioning block 21 and the positioning arc plate 6. Glue is applied to the end of the pipe to be connected and the inner wall of the connecting end 10. Then, the glued end is inserted into the connecting end 10. Rotating the rotating ring 11 pushes the positioning mechanism to move. During the movement, the positioning mechanism contacts the outer surface of the connecting pipe and squeezes it, thus clamping the connecting pipe in the connecting end 10. This prevents the connecting pipe from detaching from the connecting end 10 due to the retraction or expansion of the corrugated pipe 1 during the curing and drying of the glue.

[0036] like Figure 1-3 As shown, the support assembly includes two first rotating blocks 4 that are arranged opposite to each other and fixedly connected to the first fixed tube 2. The two first rotating blocks 4 are arranged in a mirror image opposite each other. A second rotating block 5 is rotatably connected to the first rotating block 4. The second rotating block 5 is fixedly connected to the positioning arc plate 6. The inner wall of the positioning arc plate 6 is fixedly connected to two rubber arc blocks 7 that are respectively attached to the second fixed tube 3 and the first fixed tube 2.

[0037] The second rotating block 5 and the first rotating block 4 cooperate to support the end of the positioning arc plate 6 near the first fixed tube 2. On the one hand, this ensures the stability of the positioning arc plate 6 and makes the two positioning arc plates 6 fit together more securely. On the other hand, the rubber arc block 7 also supports the positioning arc plate 6. After the two positioning arc plates 6 fit together, the rubber arc block 7 fits into the first fixed tube 2 or the second fixed tube 3, thereby making the connection between the positioning arc plate 6 and the corrugated tube 1 and the first fixed tube 2 tighter and further improving the positioning stability of the positioning arc plate 6.

[0038] like Figure 1-4 As shown, the fixing mechanism includes an inner cavity 22 opened in the positioning block 21. A push block 24 is slidably connected in the inner cavity 22. A positioning slide post 26 that slides through the positioning block 21 and can be inserted into the adjustment groove 9 is fixedly connected to the side of the push block 24 near the adjustment groove 9. A spring 23 is fixedly connected between the side of the push block 24 away from the positioning slide post 26 and the inner wall of the inner cavity 22. The extension and contraction path of the spring 23 is consistent with the movement path of the push block 24.

[0039] like Figure 1-4As shown, the disassembly mechanism includes a support groove 20 formed on one side of the positioning block 21 and communicating with the interior of the inner cavity 22. The positioning block 21, which is slidably connected to the support groove 20, is fixedly connected to one side of the push block 24. The movement path of the positioning block 21 is consistent with the movement path of the push block 24.

[0040] The positioning slide 26 is inserted into the adjusting groove 9 to fix the positioning arc plate 6 and the positioning block 21, preventing relative sliding between the positioning block 21 and the positioning arc plate 6. This fixes the distance between the first fixed pipe 2 and the second fixed pipe 3, thereby fixing the extension length of the corrugated pipe 1 and the overall length of the pipe body. When the overall length of the pipe body needs to be adjusted, the support block 25 can be pushed away from the adjusting groove 9, causing the support block 25 to move the push block 24 and the positioning slide 26. During this process, the spring 23 is compressed. 3. Deformation occurs, and the positioning slide column 26 slides out of the adjustment groove 9. At this time, the fixing between the positioning block 21 and the positioning arc plate 6 is released, so that the positioning arc plate 6 can rotate and the positioning block 21 can slide in the limiting groove 8. At this time, the second fixing tube 3 can be pulled or pressed to achieve the purpose of lengthening or shortening the corrugated pipe 1, thereby increasing or shortening the overall length of the pipe body. This allows the overall length of the pipe body to be suitable for pipe connection at different spacings without cutting the pipe body, making it more convenient, quick, labor-saving and efficient, thereby increasing the practicality and flexibility of the composite PVC pipe.

[0041] After the tube body is adjusted to a suitable length, the support block 25 is released. Under the action of the release force of the spring 23, the support block 25, the positioning slide 26 and the push block 24 are pushed to reset, thereby driving the positioning slide 26 to slide into the adjustment groove 9 in a suitable position, and once again realizing the positioning and fixing between the positioning arc plate 6 and the positioning block 21, thus realizing the fixing of the overall length of the tube body.

[0042] In this design, after the two positioning arc plates 6 are closed, the fixing mechanism fixes the positioning arc plates 6, which supports the bellows 1 and prevents the bellows 1 from being bent by the fluid due to gravity when the fluid flows in the bellows 1. This would prevent the bend of the bellows 1 from being easily blocked. The two positioning arc plates 6 close together restrict and support the bellows 1, making the bellows 1, the first fixed pipe 2 and the second fixed pipe 3 level, thereby ensuring the smooth flow of fluid in the bellows 1, the first fixed pipe 2 and the second fixed pipe 3.

[0043] like Figure 1-5As shown, the positioning mechanism includes a sliding block 13 that is slidably connected to the sliding groove 12. The inner walls of the two opposite sides of the sliding groove 12 are provided with sliding grooves 17. A slider 14 that is inserted into the sliding groove 17 is fixedly connected to the sliding block 13. A fixed arc plate 16 extending to the outside of the connecting end 10 is fixedly connected to the sliding block 13. Sealing rings 18 are fixedly connected to the ends of the second fixed tube 3 and the first fixed tube 2 away from the bellows 1. A friction mechanism is provided on the sliding block 13.

[0044] like Figure 1-5 As shown, the friction mechanism includes a rubber block 15 fixed to the side of the sliding block 13 away from the fixed arc plate 16. The side of the rubber block 15 away from the sliding block 13 is an arc surface. Multiple positioning protrusions 19 are fixedly connected to the side of the rubber block 15 away from the sliding block 13. Both the positioning protrusions 19 and the sliding block 13 are made of rubber.

[0045] Apply glue to both the end of the pipe to be connected and the inner wall of the connecting end 10. Then, insert the glued end into the connecting end 10. When rotating the rotating ring 11, because the rotating ring 11 is threadedly connected to the corrugated pipe 1, the rotating ring 11 moves along the axis of the rotating ring 11 during rotation. Because the fixed arc plate 16 is arc-shaped, when the rotating ring 11 moves towards the fixed arc plate 16, the rotating ring 11 contacts the fixed arc plate 16 and pushes the fixed arc plate 16 towards the connecting pipe. The fixed arc plate 16 simultaneously drives the sliding block 13 and the rubber block 15 towards the pipe. During this process, the rubber block 15 contacts the outer surface of the connecting pipe and squeezes and clamps the outer surface of the connecting pipe, thereby fixing the connecting pipe and the connecting end 10. This prevents the connecting pipe from separating from the connecting end 10 due to the shrinkage or expansion of the corrugated pipe 1 during the curing and drying of the glue, thus ensuring the tightness of the pipe connection.

[0046] In this design, the side of the rubber block 15 away from the sliding block 13 is arc-shaped, which allows the rubber block 15 to fit more closely to the outer surface of the connecting pipe, increasing the contact area with the connecting pipe and thus improving the friction between the rubber block 15 and the connecting pipe. The positioning protrusion 19 can also increase the friction when the positioning mechanism fixes the connecting pipe, thereby improving the stability and reliability of the positioning mechanism in fixing the connecting pipe.

[0047] In this solution, the sealing and fixing between the connecting end 10 and the connecting pipe mainly relies on adhesive, not on the positioning mechanism. Furthermore, the connection between the connecting pipe and the sealing ring 18 during the connection process can improve the tightness of the pipe connection. If the connecting pipe does not abut against the sealing ring 18 during the pipe connection process, it will not affect the sealing performance between the connecting end 10 and the connecting pipe, because the sealing and fixing between the connecting end 10 and the connecting pipe mainly relies on adhesive.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of this utility model. All such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high wear-resistant composite PVC pipe, comprising a corrugated pipe (1), a first fixed pipe (2), and a second fixed pipe (3), characterized in that: The first fixed tube (2) and the second fixed tube (3) are respectively fixedly connected to the end of the corrugated tube (1). Two positioning arc plates (6) are arranged opposite to each other on the outer side of the corrugated tube (1). A limiting groove (8) is opened through the positioning arc plate (6). A positioning block (21) that is slidably connected to the limiting groove (8) is fixedly connected to the second fixed tube (3). Multiple adjustment grooves (9) are opened on the inner walls of the opposite sides of the limiting groove (8). A fixing mechanism and a disassembly mechanism are provided on the positioning block (21). A connecting end (10) is fixedly connected to the end of the first fixed tube (2) and the second fixed tube (3) away from the corrugated tube (1). A rotating ring (11) is threaded on the connecting end (10). A sliding groove (12) is opened through the thread of the connecting end (10). A positioning mechanism is slidably arranged in the sliding groove (12). The fixing mechanism fixes the positioning block (21) and the limiting groove (8) by inserting it into the adjusting groove (9); Two sets of support components are provided on the first fixed tube (2), which are used to provide support for one end of the positioning arc plate (6); The disassembly mechanism is used to release the fixing mechanism from fixing the positioning block (21) and the limiting groove (8); An external pipe is inserted into the inner side of the connecting end (10), and the positioning mechanism fixes the connecting end (10) and the external pipe.

2. The high wear-resistant composite PVC pipe according to claim 1, characterized in that: The support assembly includes two first rotating blocks (4) that are arranged opposite to each other and fixedly connected to the first fixed tube (2). A second rotating block (5) is rotatably connected to the first rotating block (4). The second rotating block (5) is fixedly connected to the positioning arc plate (6). The inner wall of the positioning arc plate (6) is fixedly connected to two rubber arc blocks (7) that are respectively attached to the second fixed tube (3) and the first fixed tube (2).

3. The high wear-resistant composite PVC pipe according to claim 1, characterized in that: The fixing mechanism includes an inner cavity (22) opened in the positioning block (21), a push block (24) is slidably connected in the inner cavity (22), a positioning slide post (26) is fixedly connected to the side of the push block (24) near the adjustment groove (9) and slides through the positioning block (21) and can be inserted into the adjustment groove (9), and a spring (23) is fixedly connected between the side of the push block (24) away from the positioning slide post (26) and the inner wall of the inner cavity (22).

4. The high wear-resistant composite PVC pipe according to claim 3, characterized in that: The disassembly mechanism includes a support groove (20) opened on one side of the positioning block (21) and communicating with the interior of the inner cavity (22), and a positioning block (21) that is slidably connected to the support groove (20) is fixedly connected to one side of the push block (24).

5. The high wear-resistant composite PVC pipe according to claim 1, characterized in that: The positioning mechanism includes a sliding block (13) slidably connected to the sliding groove (12), and sliding grooves (17) are provided on the inner walls of both sides opposite to the sliding groove (12). A slider (14) that is inserted into the sliding groove (17) is fixedly connected to the sliding block (13). A fixed arc plate (16) extending to the outside of the connecting end (10) is fixedly connected to the sliding block (13). A friction mechanism is provided on the sliding block (13).

6. The high wear-resistant composite PVC pipe according to claim 5, characterized in that: The friction mechanism includes a rubber block (15) fixed to the side of the sliding block (13) away from the fixed arc plate (16), and a plurality of positioning protrusions (19) are fixedly connected to the side of the rubber block (15) away from the sliding block (13).

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