Anti-leakage structure for conveying corrosive liquid

Abstract

The utility model relates to the technical field of corrosive liquid conveying, in particular to an anti-leakage structure for corrosive liquid conveying, which comprises two groups of liquid conveying pipelines symmetrically arranged, a sealing lantern ring is arranged on the outer side of one end of each liquid conveying pipeline, and a sealing ring groove is formed in one end of each liquid conveying pipeline. An outer flange is arranged on the outer side of one end of one liquid conveying pipeline, a second ring groove is formed in the rear end of the outer flange, an inner flange is arranged on the outer side of one end of the other liquid conveying pipeline, a sealing ring is arranged at the rear end of the inner flange, a limiting groove is formed in the rear end of the outer flange, and a sealing pressing ring is arranged on the inner side of the limiting groove. Two sets of liquid conveying pipelines are in butt joint, the sealing lantern ring is embedded into the sealing ring groove, meanwhile, the inner flange is clamped into the outer flange, the sealing ring is embedded into the second ring groove, and the sealing pressing ring is clamped into the limiting groove, so that the connecting end of the liquid conveying pipeline is provided with three-stage sealing protection, the sealing performance of the joint position of pipeline ports is enhanced in an all-around mode, and the flow pressure borne by the pipeline is improved; and liquid leakage is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of corrosive liquid transportation technology, and in particular to a leak-proof structure for transporting corrosive liquids. Background Technology

[0002] Corrosive liquids are liquids that can significantly damage biological tissues or other substances they come into contact with through chemical action. These substances are widely used in industry, laboratories, and daily life. Due to the special properties of corrosive liquids, special design considerations and safety measures are required during their transportation.

[0003] Modern corrosive liquid transport pipelines are often quite long, requiring multiple pipe sections to be joined together to form a long liquid transport pipeline. Most of these pipelines are directly connected via flanges, and the sealing structures are mostly quite simple. When the liquid pressure inside the pipeline increases, gaps are more likely to appear at the joints. Long-term use may cause liquid leakage, affecting the normal transport of liquid and endangering the safety of the production environment.

[0004] Therefore, in view of the fact that liquid leakage is relatively easy to occur at the interface of the existing conveying device, a leak-proof structure for conveying corrosive liquids can be designed. Through multi-stage sealing, the sealing performance of the pipe port joint is enhanced in all aspects, the liquid flow rate and pressure that the pipe can withstand are increased, liquid leakage is effectively avoided, the safety of the production environment is ensured, and the stability of liquid conveying is enhanced. Utility Model Content

[0005] To overcome the problem that most corrosive liquid transportation pipelines have relatively simple sealing structures, which make it easy for gaps to appear at the interface when the liquid pressure inside the pipeline increases, and may cause liquid leakage and affect the normal transportation of liquid after long-term use, this utility model is proposed.

[0006] The technical solution of this utility model is as follows: a leak-proof structure for conveying corrosive liquids, including a delivery pipe, a sealing collar, a sealing ring groove, an outer flange, a second ring groove, an inner flange, a sealing ring, a limiting groove, and a sealing pressure ring. Two sets of delivery pipes are symmetrically arranged. A sealing collar is provided on the outer side of one end of the delivery pipe, and a sealing ring groove is opened at one end of the delivery pipe. An outer flange is provided on the outer side of one end of one set of delivery pipes, and a second ring groove is opened at the rear end of the outer flange. An inner flange is provided on the outer side of one end of the other set of delivery pipes, and a sealing ring is provided at the rear end of the inner flange. A limiting groove is opened at the rear end of the outer flange, and a sealing pressure ring is provided on the inner side of the limiting groove.

[0007] Preferably, the sealing ring groove is used to define the fitting position of the sealing ring, which enhances the sealing performance of the infusion pipeline connection. The outer flange defines the engagement position of the inner flange, allowing the sealing ring to be embedded in the second ring groove. The sealing ring enhances the sealing performance at the connection between the outer and inner flanges. The limiting groove defines the installation position of the sealing pressure ring, which is then inserted into the limiting groove, causing the sealing pressure ring to abut against the inner flange. This further enhances the sealing performance at the connection between the outer and inner flanges, providing three levels of sealing protection for the infusion pipeline connection. Liquid is transported through the connected infusion pipeline, thereby achieving comprehensive enhancement of the sealing performance at the pipeline port joint, increasing the liquid flow rate and pressure that the pipeline can withstand, effectively preventing liquid leakage, and enhancing the stability of liquid transportation.

[0008] Preferably, the inner and outer sides of the sealing collar are serrated, and the diameter of the sealing collar of one set of infusion tubing is larger than that of the sealing collar of the other set of infusion tubing, and the sealing collar is fitted and connected with the corresponding sealing ring groove.

[0009] Preferably, the inner flange and the outer flange are fitted together at their rear ends, the sealing ring is fitted together with the second annular groove, the diameter of the limiting groove is larger than that of the inner flange, and the sealing pressure ring is located at the front end of the inner flange.

[0010] Preferably, the rear end of the outer flange has multiple sets of annularly distributed positioning grooves, and the outer side of the sealing ring is provided with multiple sets of annularly distributed positioning plates, with the positioning plates corresponding to the positioning grooves.

[0011] Preferably, a first screw hole is provided on one side of the positioning plate, and a first bolt is rotatably connected to the inner thread of the first screw hole. The rear end of the first bolt is rotatably connected to the rear end of the outer flange.

[0012] Preferably, a number of annularly distributed second threaded holes are provided on one side of the sealing ring, and second threaded holes are also provided at corresponding positions on the outer flange and the inner flange.

[0013] Preferably, the inner thread of the second screw hole is rotatably connected to a second bolt, and the rear thread of the second bolt is rotatably connected to a lock nut, which is located on the outside of the sealing ring.

[0014] The beneficial effects of this utility model are:

[0015] Before infusion, the two sets of infusion pipelines are connected, allowing the sealing collar to embed into the sealing ring groove. The sealing collar enhances the sealing performance of the infusion pipeline connection. Simultaneously, the inner flange is inserted into the outer flange, allowing the sealing ring to embed into the second ring groove. The sealing ring further enhances the sealing performance at the connection between the outer and inner flanges. Then, the sealing pressure ring is inserted into the limiting groove, causing the sealing pressure ring to abut against the inner flange, thereby further enhancing the sealing performance at the connection between the outer and inner flanges. This provides three levels of sealing protection at the infusion pipeline connection. Liquid is transported through the connected infusion pipelines. This addresses the issue that most corrosive liquid transport pipelines have relatively simple sealing structures, making it easier for gaps to appear at the interface when the liquid pressure inside the pipeline increases. Long-term use may cause liquid leakage, affecting the normal liquid transport. This system enhances the stability of liquid transport. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of a leak-proof structure for conveying corrosive liquids according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of a liquid delivery pipeline with a leak-proof structure for transporting corrosive liquids, according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of a sealing ring for a leak-proof structure used in the transportation of corrosive liquids according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural diagram of the connection of a liquid delivery pipeline with an anti-leakage structure for transporting corrosive liquids according to this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional cross-sectional view of the connection structure of a leakage-proof structure for conveying corrosive liquids according to this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Infusion pipeline; 2. Sealing collar; 3. Sealing ring groove; 4. Outer flange; 5. Second ring groove; 6. Inner flange; 7. Sealing ring; 8. Limiting groove; 801. Positioning groove; 9. Sealing pressure ring; 901. Positioning plate; 902. First screw hole; 903. First bolt; 1001. Second screw hole; 1002. Second bolt; 1003. Locking nut. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1 and Figure 2This utility model provides an embodiment: a leak-proof structure for conveying corrosive liquids, including a delivery pipe 1, a sealing collar 2, a sealing ring groove 3, an outer flange 4, a second ring groove 5, an inner flange 6, a sealing ring 7, a limiting groove 8, and a sealing pressure ring 9. Two sets of delivery pipes 1 are symmetrically arranged. A sealing collar 2 is provided on the outer side of one end of the delivery pipe 1. The inner and outer sides of the sealing collar 2 are serrated. The diameter of the sealing collar 2 of one set of delivery pipes 1 is larger than that of the sealing collar 2 of the other set. A sealing ring groove 3 is provided at one end of the delivery pipe 1. The sealing ring 2 is fitted into the corresponding sealing ring groove 3. One set of infusion pipes 1 has an outer flange 4 on its outer side at one end. The rear end of the outer flange 4 has a second ring groove 5. The other set of infusion pipes 1 has an inner flange 6 on its outer side at one end. The inner flange 6 is fitted into the rear end of the outer flange 4. The rear end of the inner flange 6 has a sealing ring 7, which is fitted into the second ring groove 5. The rear end of the outer flange 4 has a limiting groove 8. The diameter of the limiting groove 8 is larger than that of the inner flange 6. The inner side of the limiting groove 8 has a sealing pressure ring 9, which is located at the front end of the inner flange 6.

[0024] Please see Figure 1 and Figure 3 In this embodiment, multiple sets of annularly distributed positioning grooves 801 are provided at the rear end of the outer flange 4, and multiple sets of annularly distributed positioning plates 901 are provided on the outer side of the sealing pressure ring 9. The positioning plates 901 correspond to the positioning grooves 801, and the installation position of the positioning plates 901 is determined by the positioning grooves 801.

[0025] Please see Figure 3 and Figure 4 In this embodiment, a first screw hole 902 is provided on one side of the positioning plate 901. A first bolt 903 is rotatably connected to the inner thread of the first screw hole 902. The rear end of the first bolt 903 is rotatably connected to the rear end of the outer flange 4. The positioning plate 901 is inserted into the positioning groove 801. The installation position of the first bolt 903 is determined by the first screw hole 902. The first bolt 903 is screwed into the first screw hole 902. Then, the first bolt 903 is continuously screwed into the outer flange 4, thereby connecting and fixing the sealing ring 9 to the rear end of the outer flange 4, so that the sealing ring 9 seals the joint between the outer flange 4 and the inner flange 6.

[0026] Please see Figure 1 and Figure 5In this embodiment, a plurality of annularly spaced second screw holes 1001 are provided on one side of the sealing ring 9. Second screw holes 1001 are also provided at corresponding positions of the outer flange 4 and the inner flange 6. A second bolt 1002 is rotatably connected to the inner thread of the second screw hole 1001. A locking nut 1003 is rotatably connected to the rear thread of the second bolt 1002. The locking nut 1003 is located on the outer side of the sealing ring 9. The installation position of the second bolt 1002 is determined by the second screw hole 1001. The second bolt 1002 is screwed into the second screw hole 1001 of the outer flange 4. The second bolt 1002 is continuously screwed into the second screw hole 1001 of the inner flange 6. Finally, the second bolt 1002 passes through the second screw hole 1001 of the sealing ring 9. Then the locking nut 1003 is screwed into the rear end of the second bolt 1002, so that the locking nut 1003 abuts against the sealing ring 9, thereby locking and fixing the outer flange 4 and the inner flange 6.

[0027] Before transporting the liquid, connect the two sets of infusion pipelines 1 so that the sealing ring 2 is embedded in the sealing ring groove 3. At this time, the inner flange 6 is simultaneously inserted into the outer flange 4 so that the sealing ring 7 is embedded in the second ring groove 5.

[0028] Then, the sealing ring 9 is inserted into the limiting groove 8, so that the positioning plate 901 is inserted into the positioning groove 801. The first bolt 903 is screwed into the first screw hole 902 in sequence, so that the sealing ring 9 abuts against the inner flange 6, and the sealing ring 9 is fixed to the inner side of the rear end of the outer flange 4.

[0029] Finally, screw the second bolt 1002 into the second threaded hole 1001 from the front end of the outer flange 4, and continue to screw the second bolt 1002 into the second threaded hole 1001 of the inner flange 6 until the nut at the front end of the second bolt 1002 abuts against the front end of the outer flange 4, and the rear end of the second bolt 1002 passes through the second threaded hole 1001 of the sealing ring 9. Then screw the locking nut 1003 into the rear end of the second bolt 1002 so that the locking nut 1003 abuts against the sealing ring 9, thus completing the docking operation of the two sets of infusion pipelines 1.

[0030] When transporting liquid, the liquid is transported through the connected infusion pipeline 1. The sealing collar 2 provides primary leakage protection, the sealing ring 7 provides secondary leakage protection, and finally the sealing pressure ring 9 provides tertiary leakage protection, ensuring safe and stable liquid transport.

[0031] Through the above steps, the sealing ring groove 3 is used to define the fitting position of the sealing ring 2, thereby enhancing the sealing performance of the connection end of the infusion pipeline 1. The outer flange 4 is used to define the engagement position of the inner flange 6, allowing the sealing ring 7 to be embedded in the second ring groove 5. The sealing ring 7 enhances the sealing performance at the connection between the outer flange 4 and the inner flange 6. The limiting groove 8 is used to define the installation position of the sealing pressure ring 9, which is then inserted into the limiting groove 8, causing the sealing pressure ring 9 to abut against the inner flange 6. This further enhances the sealing performance at the connection between the outer flange 4 and the inner flange 6, providing a three-level sealing protection for the connection end of the infusion pipeline 1. Liquid is transported through the connected infusion pipeline 1, thereby comprehensively enhancing the sealing performance of the pipeline port joint, increasing the liquid transport flow rate and pressure that the pipeline can withstand, and effectively preventing liquid leakage.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A leak-proof structure for conveying corrosive liquids, comprising a liquid conveying pipe (1), characterized in that: It also includes a sealing collar (2), a sealing ring groove (3), an outer flange (4), a second ring groove (5), an inner flange (6), a sealing ring (7), a limiting groove (8), and a sealing pressure ring (9). The infusion pipeline (1) is symmetrically arranged in two sets. A sealing collar (2) is provided on the outer side of one end of the infusion pipeline (1), and a sealing ring groove (3) is opened on one end of the infusion pipeline (1). An outer flange (4) is provided on the outer side of one end of one set of infusion pipeline (1), and a second ring groove (5) is opened at the rear end of the outer flange (4). An inner flange (6) is provided on the outer side of one end of the other set of infusion pipeline (1), and a sealing ring (7) is provided at the rear end of the inner flange (6). A limiting groove (8) is opened at the rear end of the outer flange (4), and a sealing pressure ring (9) is provided on the inner side of the limiting groove (8).

2. The leak-proof structure for conveying corrosive liquids according to claim 1, characterized in that: The inner and outer sides of the sealing ring (2) are serrated. The diameter of the sealing ring (2) of one set of infusion pipes (1) is larger than that of the sealing ring (2) of the other set of infusion pipes (1). The sealing ring (2) is fitted and connected with the corresponding sealing ring groove (3).

3. The leak-proof structure for conveying corrosive liquids according to claim 1, characterized in that: The inner flange (6) is fitted and connected to the rear end of the outer flange (4), the sealing ring (7) is fitted and connected to the second ring groove (5), the diameter of the limiting groove (8) is larger than that of the inner flange (6), and the sealing pressure ring (9) is set at the front end of the inner flange (6).

4. The leak-proof structure for conveying corrosive liquids according to claim 1, characterized in that: The rear end of the outer flange (4) has multiple sets of annularly distributed positioning grooves (801), and the outer side of the sealing ring (9) is provided with multiple sets of annularly distributed positioning plates (901), with the positioning plates (901) corresponding to the positioning grooves (801).

5. The leak-proof structure for conveying corrosive liquids according to claim 4, characterized in that: A first screw hole (902) is provided on one side of the positioning plate (901). A first bolt (903) is rotatably connected to the inner thread of the first screw hole (902). The rear end of the first bolt (903) is rotatably connected to the rear end of the outer flange (4).

6. The leak-proof structure for conveying corrosive liquids according to claim 1, characterized in that: Multiple sets of annularly distributed second screw holes (1001) are provided on one side of the sealing ring (9), and second screw holes (1001) are also provided at corresponding positions of the outer flange (4) and the inner flange (6).

7. The leak-proof structure for conveying corrosive liquids according to claim 6, characterized in that: The inner thread of the second screw hole (1001) is rotatably connected to the second bolt (1002), and the rear thread of the second bolt (1002) is rotatably connected to the locking nut (1003), which is located on the outside of the sealing ring (9).

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