A seal for a delivery conduit

Abstract

The application relates to the field of pipeline sealing, in particular to a sealing structure of a conveying pipeline, which comprises a first mounting ring, a second mounting ring, a sealing ring and a hoop, a sealing groove is arranged on the inner wall of the sealing ring, the first mounting ring and the second mounting ring are fixedly connected with two ends of the conveying pipeline respectively and are correspondingly embedded in the sealing groove, and the hoop surrounds the outer side of the sealing ring and locks the first mounting ring and the second mounting ring. The application has the effect of improving the sealing performance.

Description

Technical Field

[0001] This application relates to the field of pipeline sealing, and in particular to a sealing structure for a conveying pipeline. Background Technology

[0002] Efficient and stable pipeline transportation systems can reduce energy consumption, improve production efficiency, and reduce maintenance costs, which has a crucial impact on the normal operation of the entire industrial chain and economic development.

[0003] In terms of pipe splicing and sealing, the conventional method used in existing technologies to solve the sealing problem between pipes is to install a sealing ring between the two pipes. This method is relatively common and simple to operate, and is widely used in many situations. Typically, construction workers place a sealing ring of appropriate size at the joint of the two pipes to be spliced, and then use specific tools or devices to press the two pipes together, compressing the sealing ring to fill the gap between the pipes and achieving a seal. In addition, for some applications requiring higher sealing performance, flange connections are used in conjunction, with gaskets added between the flanges, and the flanges tightened with bolts to further enhance the sealing performance.

[0004] When installing a sealing ring between two conveying pipes, the sealing ring is generally required to be coaxial with the conveying pipes. However, due to errors, or displacement of the sealing ring during the process of the conveying pipes compressing it, it is difficult to ensure that the sealing ring is accurately coaxial with the conveying pipes. Subsequently, after the conveying pipes compress the sealing ring, the compressive force on the sealing ring is uneven, which easily leads to leakage. Summary of the Invention

[0005] To improve the sealing performance of the sealing structure, this application provides a sealing structure for a conveying pipeline.

[0006] This application provides a sealing structure for a conveying pipeline, which adopts the following technical solution:

[0007] A sealing structure for a conveying pipeline includes a first mounting ring, a second mounting ring, a sealing ring, and a clamp. The inner wall of the sealing ring is provided with a sealing groove. The first mounting ring and the second mounting ring are respectively fixedly connected to both ends of the conveying pipeline and are correspondingly embedded in the sealing groove. The clamp surrounds the outside of the sealing ring and locks the first mounting ring and the second mounting ring.

[0008] By adopting the above technical solution, the first and second mounting rings are fixed to both ends of the conveying pipeline and embedded in the sealing groove of the sealing ring, and then locked with clamps. This avoids the method of directly pressing the sealing ring between the two pipelines, which can reduce the splicing seam between the two pipelines and thus reduce the pressure drop of the pipeline. At the same time, by adjusting the locking force of the clamps, the sealing ring is squeezed by the clamps, thereby enabling the sealing ring to achieve good sealing performance.

[0009] Optionally, the first mounting ring is provided with a screw, and the first mounting ring has a countersunk hole for the screw to slide through. The second mounting ring has a threaded groove for the screw to thread through. A limit block is fixedly installed at one end of the screw, and the limit block is located inside the end with the larger diameter of the countersunk hole.

[0010] By adopting the above technical solution, the screw passes through the countersunk hole and is threaded into the screw groove of the second mounting ring, thereby strengthening the connection between the first mounting ring and the second mounting ring and ensuring the stability of the pipeline splicing.

[0011] Optionally, a sealing gasket is fixedly installed on the side of the limiting block near the screw.

[0012] By adopting the above technical solution, the sealing gasket seals the countersunk hole, thereby reducing the occurrence of pipeline leakage from the countersunk hole.

[0013] Optionally, a sleeve is provided inside the larger diameter end of the countersunk hole. The sleeve is fitted onto the limiting block, and the circumference of the sleeve abuts against the inner wall of the countersunk hole. A baffle plate is fixedly installed on the side of the sleeve away from the second mounting ring, and the baffle plate is flush with the side of the first mounting ring away from the second mounting ring.

[0014] By adopting the above technical solution, the sleeve and the baffle plate can keep the end of the countersunk hole that contacts the sealing ring flat, reduce the sealing problems caused by uneven countersunk hole, and improve the sealing performance of the sealing structure.

[0015] Optionally, a first clamping rod is provided on the periphery of the first mounting ring, and a second clamping rod is provided on the periphery of the second mounting ring. A connecting rod is fixedly connected between the first clamping rod and the second clamping rod, and the first clamping rod and the second clamping rod are used to clamp the first mounting ring and the second mounting ring.

[0016] By adopting the above technical solution, the first clamping rod and the second clamping rod clamp the first mounting ring and the second mounting ring, thereby enhancing the stability of the connection between the first mounting ring and the second mounting ring and improving the overall strength of the sealing structure.

[0017] Optionally, the first mounting ring has a first clamping groove on the side away from the second mounting ring for the first clamping rod to enter, the second mounting ring has a second clamping groove on the side away from the first mounting ring for the second clamping rod to enter, and both the first and second mounting rings have receiving grooves on their circumferences for the connecting rod to enter.

[0018] By adopting the above technical solution, the first clamping rod is placed in the first clamping groove, the second clamping rod is placed in the second clamping groove, and the connecting rod is placed inside the receiving groove, thereby improving the flatness of the surfaces of the first mounting ring and the second mounting ring, making the sealing structure more compact.

[0019] Optionally, both the first clamp and the second clamp are inclined and gradually move closer together from one end near the connecting rod to the other end.

[0020] By adopting the above technical solution, the first clamp rod straightens under the pressure of the inner wall of the first clamping groove, and the second clamp rod straightens under the pressure of the second clamping groove. This causes the first clamp rod and the second clamp rod to generate an elastic force that drives the first mounting ring and the second mounting ring to press against each other, thereby enhancing the tightness of the connection between the first mounting ring and the second mounting ring in the sealing structure of the conveying pipeline, and thus improving the sealing performance of the entire sealing structure.

[0021] Optionally, the first clamping rod has a first locking block fixedly installed on its shaft, and the first mounting ring has a first slot on the side away from the second mounting ring for the first locking block to enter. The second clamping rod has a second locking block fixedly installed on its shaft, and the second mounting ring has a second slot on the side away from the first mounting ring for the second locking block to enter.

[0022] By adopting the above technical solution, the first clamping block is inserted into the first clamping slot, and the second clamping block is inserted into the second clamping slot, thereby improving the stability of the first clamping rod and the second clamping rod in clamping the first mounting ring and the second mounting ring.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The first and second mounting rings are correspondingly embedded in the sealing groove of the sealing ring and locked with clamps, which reduces the pipe splice seam, reduces the pipe pressure drop, and improves the conveying efficiency. At the same time, the clamps press the sealing ring tightly, so the sealing ring is not easy to shift, thus achieving a good sealing effect.

[0025] 2. The fit between the rod and the screw groove, as well as the setting of the limiting block, can further fix the first mounting ring and the second mounting ring, and improve the stability of the sealing structure. Attached Figure Description

[0026] Figure 1 This is a cross-sectional view of the sealing structure of Embodiment 1 of this application after it is installed in the conveying pipeline;

[0027] Figure 2 This is a cross-sectional view of the sealing structure of Embodiment 2 of this application after it has been installed in the conveying pipeline;

[0028] Figure 3 yes Figure 2 Enlarged view at point A;

[0029] Figure 4 This is a cross-sectional view of the sealing structure of Embodiment 3 of this application after it is installed in the conveying pipeline;

[0030] Figure 5 yes Figure 4 Enlarged view at point B;

[0031] Figure 6 This is a schematic diagram of the structure of the first clamping rod, the second clamping rod, and the connecting rod in Embodiment 3 of this application.

[0032] Explanation of reference numerals in the attached drawings: 1. First mounting ring; 2. Second mounting ring; 3. Sealing ring; 4. Clamp; 5. Sealing groove; 6. Limiting ring; 7. Screw; 8. Limiting block; 9. Countersunk hole; 10. Screw groove; 11. Sealing gasket; 12. Sleeve; 13. Baffle plate; 14. First clamping rod; 15. Second clamping rod; 16. Connecting rod; 17. First clamping groove; 18. Second clamping groove; 19. Receiving groove; 20. First locking block; 21. Second locking block; 22. First locking groove; 23. Second locking groove. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0034] Example 1

[0035] This application discloses a sealing structure for a conveying pipeline.

[0036] Reference Figure 1 A sealing structure for a conveying pipeline includes a first mounting ring 1, a second mounting ring 2, a sealing ring 3, and a clamp 4. The first mounting ring 1 and the second mounting ring 2 are fixedly connected to both ends of the conveying pipeline, respectively. When two conveying pipelines are joined, the first mounting ring 1 of one conveying pipeline abuts against the second mounting ring 2 of the other conveying pipeline.

[0037] A sealing groove 5 is formed on the inner wall of the sealing ring 3, and both the first mounting ring 1 and the second mounting ring 2 enter the sealing groove 5. A clamp 4 surrounds and locks the outer side of the sealing ring 3. Because the sealing ring 3 surrounds the first mounting ring 1 and the second mounting ring 2 through the sealing groove 5, the size of the joint is reduced, thereby lowering the resistance inside the conveying pipeline. The locking effect of the clamp 4 further enhances the stability and sealing of the overall structure, reducing the possibility of fluid leakage.

[0038] Limiting rings 6 are fixedly installed on both sides of the clamp 4. After the clamp 4 surrounds the sealing ring 3, the limiting rings 6 will abut against the pipe wall of the conveying pipeline, thereby preventing the clamp 4 from moving radially along the conveying pipeline. The inner wall of the limiting ring 6 and the outer wall of the conveying pipeline are provided with anti-slip textures, thereby restricting the clamp 4 from sliding along the conveying pipeline.

[0039] In this embodiment, the anti-slip texture consists of multiple raised points on the inner wall of the limiting ring 6 and the outer wall of the conveying pipe for anti-slip purposes. In another embodiment, the anti-slip texture consists of annular recesses on the inner wall of the limiting ring 6 and annular protrusions on the outer wall of the conveying pipe.

[0040] The principle of the sealing structure of a conveying pipeline according to an embodiment of this application is as follows: after the sealing ring 3 wraps around the first mounting ring 1 and the second mounting ring 2, the sealing ring 3 is wrapped around and locked with a clamp 4, thereby achieving a sealing effect. Since the sealing ring 3 is wrapped around the outside of the first mounting ring 1 and the second mounting ring 2, the width of the splice joint of the conveying pipeline is reduced, thereby reducing the flow resistance inside the conveying pipeline.

[0041] Example 2

[0042] This application discloses a sealing structure for a conveying pipeline.

[0043] Reference Figure 2 , Figure 3 The difference between the sealing structure of the conveying pipeline in this embodiment and that in embodiment 1 is that the first mounting ring 1 is provided with a screw 7, the first mounting ring 1 has a countersunk hole 9, the second mounting ring 2 has a screw groove 10, and a limit block 8 is fixedly installed at one end of the screw 7.

[0044] When the two conveying pipes are spliced ​​together so that the first mounting plate and the second mounting plate abut against each other, the larger diameter end of the countersunk hole 9 is positioned away from the second mounting plate. Then, the end of the screw 7 away from the limiting block 8 passes through the countersunk hole 9 and is screwed into the screw groove 10. The limiting block 8 enters the larger diameter end of the countersunk hole 9 and is pressed tightly, thereby strengthening the connection between the first mounting ring 1 and the second mounting ring 2, and thus improving the connection strength after the conveying pipes are spliced.

[0045] A sealing gasket 11 is fixedly installed on the side of the limiting block 8 near the screw 7. When the limiting block 8 enters the larger diameter end of the countersunk hole 9, the limiting block 8 presses the gasket, thereby achieving a sealing effect and reducing leakage at the countersunk hole 9.

[0046] A sleeve 12 is installed inside the larger diameter end of the countersunk hole 9, and the sleeve 12 is fitted onto the limiting block 8. The circumference of the sleeve 12 abuts against the inner wall of the countersunk hole 9, and a baffle plate 13 is fixedly installed on the side of the sleeve 12 away from the second mounting ring 2. The baffle plate 13 is flush with the side of the first mounting ring 1 away from the second mounting ring 2. The baffle plate 13 blocks the countersunk hole 9, thereby keeping the side of the first mounting ring 1 away from the second mounting ring 2 flush, which helps to ensure the clamping force between the sealing ring 3 and the first mounting ring 1, thereby improving the sealing performance.

[0047] The principle of the sealing structure for a conveying pipeline in this application embodiment is as follows: the screw 7 passes through the countersunk hole 9 and is screwed into the screw groove 10, thereby strengthening the connection between the first mounting ring 1 and the second mounting ring 2, and thus improving the connection strength after the conveying pipeline is spliced. Generally, conveying pipelines with small conveying capacity and low internal conveying pressure are sealed using the method of embodiment 1, while conveying pipelines with large conveying capacity and high internal conveying pressure use the sealing structure of this application embodiment.

[0048] Example 3

[0049] This application discloses a sealing structure for a conveying pipeline.

[0050] Reference Figure 4 , Figure 5 The sealing structure of the conveying pipeline in this embodiment differs from that in Embodiment 1 in that a first clamping rod 14 is provided on the periphery of the first mounting ring 1, and a second clamping rod 15 is provided on the periphery of the second mounting ring 2. A connecting rod 16 is fixedly connected between the first clamping rod 14 and the second clamping rod 15. The first clamping rod 14, the second clamping rod 15, and the connecting rod 16 are all metal rods, thus possessing a certain elastic deformation capability.

[0051] Reference Figure 5 , Figure 6 The first mounting ring 1 has a first clamping groove 17 on the side away from the second mounting ring 2, and the second mounting ring 2 has a second clamping groove 18 on the side away from the first mounting ring 1. Both the first mounting ring 1 and the second mounting ring 2 have receiving grooves 19 on their circumferences.

[0052] After the first mounting ring 1 and the second mounting ring 2 abut against each other, the first clamping rod 14 enters the first clamping groove 17, the second clamping rod 15 enters the second clamping groove 18, and the connecting rod 16 enters the placement groove, thereby clamping the first mounting ring 1 and the second mounting ring 2 and helping to keep the surfaces of the first mounting ring 1 and the second mounting ring 2 flat.

[0053] Reference Figure 5 , Figure 6 The first clamping rod 14 and the second clamping rod 15 are both inclined and gradually approach each other from one end near the connecting rod 16 to the other end. When the first clamping rod 14 and the second clamping rod 15 clamp the first mounting ring 1 and the second mounting ring 2, the first clamping rod 14 and the second clamping rod 15 are straightened, thereby increasing the clamping force of the first clamping rod 14 and the second clamping rod 15 on the first mounting ring 1 and the second mounting ring 2.

[0054] The first clamping rod 14 has a first locking block 20 fixedly installed on its shaft, and the inner wall of the first clamping groove 17 has a first locking groove 22 for the first locking block 20 to enter. The second clamping rod 15 has a second locking block 21 fixedly installed on its shaft, and the inner wall of the second clamping groove 18 has a second locking groove 23 for the second locking block 21 to enter.

[0055] The first locking block 20 engages with the first locking slot 22, and the second locking block 21 engages with the second locking slot 23, thereby reducing the possibility of the first clamping rod 14 and the second clamping rod 15 falling off from the first mounting ring 1 and the second mounting ring 2.

[0056] The principle of the sealing structure of a conveying pipeline in this application embodiment is as follows: when the conveying pipeline is spliced, the first clamping rod 14 and the second clamping rod 15 clamp the first mounting ring 1 and the second mounting ring 2, thereby improving the connection strength when the pipeline is spliced.

[0057] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A sealing structure for a conveying pipeline, characterized in that: It includes a first mounting ring (1), a second mounting ring (2), a sealing ring (3), and a clamp (4). The inner wall of the sealing ring (3) is provided with a sealing groove (5). The first mounting ring (1) and the second mounting ring (2) are fixedly connected to both ends of the conveying pipe and are correspondingly embedded in the sealing groove (5). The clamp (4) surrounds the outside of the sealing ring (3) and locks the first mounting ring (1) and the second mounting ring (2).

2. The sealing structure of a conveying pipeline according to claim 1, characterized in that: The first mounting ring (1) is provided with a screw (7), and the first mounting ring (1) has a countersunk hole (9) for the screw (7) to slide through. The second mounting ring (2) has a threaded groove (10) for the screw (7) to thread through. A limiting block (8) is fixedly installed at one end of the screw (7), and the limiting block (8) is located inside the end with the larger diameter of the countersunk hole (9).

3. The sealing structure of a conveying pipeline according to claim 2, characterized in that: A sealing gasket (11) is fixedly installed on the side of the limiting block (8) near the screw (7).

4. The sealing structure of a conveying pipeline according to claim 2, characterized in that: A sleeve (12) is provided inside the larger diameter end of the countersunk hole (9). The sleeve (12) is fitted onto the limiting block (8). The circumference of the sleeve (12) abuts against the inner wall of the countersunk hole (9). A baffle plate (13) is fixedly installed on the side of the sleeve (12) away from the second mounting ring (2). The baffle plate (13) is flush with the side of the first mounting ring (1) away from the second mounting ring (2).

5. The sealing structure of a conveying pipeline according to claim 1, characterized in that: The first mounting ring (1) is provided with a first clamping rod (14) on its periphery, and the second mounting ring (2) is provided with a second clamping rod (15) on its periphery. A connecting rod (16) is fixedly connected between the first clamping rod (14) and the second clamping rod (15). The first clamping rod (14) and the second clamping rod (15) are used to clamp the first mounting ring (1) and the second mounting ring (2).

6. The sealing structure of a conveying pipeline according to claim 5, characterized in that: The first mounting ring (1) has a first clamping groove (17) on the side away from the second mounting ring (2) for the first clamping rod (14) to enter. The second mounting ring (2) has a second clamping groove (18) on the side away from the first mounting ring (1) for the second clamping rod (15) to enter. The first mounting ring (1) and the second mounting ring (2) both have receiving grooves (19) on their circumferences for the connecting rod (16) to enter.

7. The sealing structure of a conveying pipeline according to claim 5, characterized in that: The first clamp (14) and the second clamp (15) are both inclined and gradually approach each other from one end near the connecting rod (16) to the other end.

8. The sealing structure of a conveying pipeline according to claim 5, characterized in that: The first clamping rod (14) has a first locking block (20) fixedly installed on its shaft. The first mounting ring (1) has a first slot (22) on the side away from the second mounting ring (2) for the first locking block (20) to enter. The second clamping rod (15) has a second locking block (21) fixedly installed on its shaft. The second mounting ring (2) has a second slot (23) on the side away from the first mounting ring (1) for the second locking block (21) to enter.

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