Pressure pipeline sealing mechanism

Abstract

The utility model relates to a pressure pipeline sealing mechanism which comprises a connecting ring and a sealing ring, a plurality of sets of fastening bolts are arranged on two sets of arc-shaped plates in a threaded mode, and fastening plates are arranged at the bottom ends of the fastening bolts in a rotating mode, so that a sealing structure formed by the connecting ring and the interior of a pipeline is tighter, and the problem of liquid leakage can be effectively avoided. A plurality of sets of inserting blocks are arranged on one side of the connecting ring, a plurality of sets of inserting balls are arranged on the two sides of the sealing ring, the pressure bearing capacity of the whole sealing structure is improved, the service life of the whole sealing structure is prolonged, the whole sealing structure can be moderately deformed under the action of external pressure, a reinforcing layer is arranged on the inner side of the sealing ring, and an oil-resistant layer is arranged on the inner side of the reinforcing layer. The overall stability and the pressure resistance of the sealing structure are effectively enhanced, the pressure bearing performance of the sealing structure is improved, the service life of the sealing structure is prolonged, and the durability and the sealing performance of the sealing structure are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure pipelines, and specifically relates to a pressure pipeline sealing mechanism. Background Technique

[0002] When the pipeline conveys liquid, the change of temperature will cause the phenomenon of thermal expansion and contraction of the pipeline. When the pipeline expands due to heat, it will cause an increase in the length of the pipeline, and when the pipeline cools, it will shorten. This phenomenon of thermal expansion and contraction may cause a gap between the pipeline and the sealing mechanism, resulting in liquid leakage. During the installation stage of the sealing mechanism, only simple connection bolts are used for splicing and reinforcement, which is difficult to ensure the installation stability of the mechanism. In this case, the problem of bolt loosening is likely to occur, resulting in the inability to guarantee the effect of the sealing mechanism, and further affecting the sealing work of the pipeline. The existing mechanical seal components cannot meet the requirement of zero leakage under strong corrosive media, and the sealing effect is poor. The strong corrosive media will corrode and damage the sealing material and the sealing structure, resulting in a decline in the sealing performance, and thus unable to effectively prevent the leakage of the medium.

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the utility model provides a pressure pipeline sealing mechanism. Content of the Utility Model

[0005] (II) Technical Solutions

[0006] To achieve the above purpose, the utility model provides the following technical solution: a pressure pipeline sealing mechanism, including a connecting ring and a sealing ring. An inner ring is provided on one side of the connecting ring. Two groups of arc-shaped plates are rotatably provided on the connecting ring. A plurality of fastening bolts are threadedly provided on each of the two groups of arc-shaped plates. Fastening plates are rotatably provided at the bottoms of the plurality of fixing bolts. A plurality of plugging blocks are provided on one side of the connecting ring. First plugging grooves adapted to the plurality of plugging blocks are opened on both sides of the sealing ring. A plurality of plugging balls are provided on both sides of the sealing ring. Second plugging grooves adapted to the plurality of plugging balls are opened on one side of the connecting ring.

[0007] Preferably, a sealing ring is provided inside the sealing ring. A reinforcing layer is provided inside the sealing ring. An oil-resistant layer is provided inside the reinforcing layer. An anti-corrosion layer is provided inside the oil-resistant layer, effectively improving the performance and reliability of the overall sealing system.

[0008] Preferably, connection blocks are provided on the outer walls of the two groups of arc-shaped plates. Two through holes are opened on each of the two connection blocks. Double-headed bolts are provided in the two through holes. Fixed nuts are provided at both ends of the two double-headed bolts, making the connection between the two groups of arc-shaped plates more stable and avoiding loosening, which may cause the plugging mechanism to fall apart and affect the use.

[0009] Preferably, the reinforcing layer is set as a stainless steel plate, effectively enhancing the overall stability and pressure resistance of the sealing structure.

[0010] Preferably, the oil-resistant layer is made of polytetrafluoroethylene, improving the durability and sealing performance of the sealing structure.

[0011] Preferably, the anti-corrosion layer is set as a zinc-containing or aluminum-containing coating, improving its corrosion resistance in harsh environments.

[0012] Preferably, an elastic ring is provided on the outer wall of the inner ring, making the sealing ring fit more tightly with the inside of the pipeline.

[0013] Preferably, multiple elastic pads are provided inside multiple groups of the fastening blocks, which can prevent the fastening plate from damaging the outer wall of the pipeline.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides a pressure pipeline sealing mechanism, which has the following

[0016] beneficial effects:

[0017] 1. In the present utility model, by setting the inner ring, arc-shaped plate, fastening bolts and fastening plate in cooperation, the sealing structure formed by the connecting ring and the inside of the pipeline is made more tight, which can effectively avoid the problem of liquid leakage, prevent the liquid from penetrating into the external environment through the gaps or cracks at the connection, contribute to ensuring the normal operation of the pipeline system, and prevent the adverse effects of liquid leakage on the environment and equipment, improve the sealing effect, and maintain the safe and reliable operation of the system;

[0018] 2. In the present utility model, by setting the insertion block, the first insertion groove, the insertion ball and the second insertion groove in cooperation, the pressure-bearing capacity of the overall sealing structure is improved, and its service life is prolonged. It can undergo appropriate deformation under the action of external pressure, thereby effectively buffering and absorbing the stress caused by pressure changes, reducing the stress on the sealing structure. The sealing structure can be more stable and reliable when bearing pressure, thus prolonging its service life, reducing fatigue and damage caused by pressure changes, and improving the reliability and safety of the system;

[0019] 3. In the present utility model, by setting the sealing ring, reinforcing layer, oil-resistant layer and anti-corrosion layer in cooperation, the overall stability and pressure resistance of the sealing structure are effectively enhanced, its pressure-bearing performance and service life are improved. The polytetrafluoroethylene material has excellent chemical corrosion resistance and low friction coefficient, which can effectively prevent the erosion of liquid media on the sealing structure, reduce friction loss, improve the durability and sealing performance of the sealing structure, extend the service life of the sealing structure, and improve its corrosion resistance in harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a pressure pipeline sealing mechanism in the present utility model;

[0021] Figure 2 It is a schematic diagram of the structure in the open state of the arc plate in the present utility model;

[0022] Figure 3 It is a schematic diagram of the insertion block on the connection ring in the present utility model;

[0023] Figure 4 It is a schematic diagram of the insertion ball on the sealing ring in the present utility model;

[0024] Figure 5 It is a schematic diagram of the installation structure of the fastening plate in the present utility model.

[0025] In the figure: 1. Connection ring; 2. Sealing ring; 3. Inner ring; 4. Arc plate; 5. Fastening bolt; 6. Fastening plate; 7. Insertion block; 8. First insertion groove; 9. Insertion ball; 10. Second insertion groove; 11. Sealing ring; 12. Reinforcing layer; 13. Oil-resistant layer; 14. Anticorrosion layer; 15. Connection block; 16. Through hole; 17. Double-headed bolt; 18. Fixed nut; 19. Elastic ring; 20. Elastic pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment:

[0028] Please refer to Figures 1-5 , a pressure pipeline sealing mechanism, including a connection ring 1 and a sealing ring 2. An inner ring 3 is provided on one side of the connection ring 1. Two groups of arc plates 4 are rotatably provided on the connection ring 1. A plurality of fastening bolts 5 are threaded on both groups of arc plates 4. Fastening plates 6 are rotatably provided at the bottoms of the plurality of fixing bolts. A plurality of insertion blocks 7 are provided on one side of the connection ring 1. First insertion grooves 8 adapted to the plurality of insertion blocks 7 are opened on both sides of the sealing ring 2. A plurality of insertion balls 9 are provided on both sides of the sealing ring 2. Second insertion grooves 10 adapted to the plurality of insertion balls 9 are opened on one side of the connection ring 1.

[0029] In this embodiment, a sealing ring 11 is provided inside the sealing ring 2. An enhancing layer 12 is provided inside the sealing ring 11. An oil-resistant layer 13 is provided inside the enhancing layer 12. An anti-corrosion layer 14 is provided inside the oil-resistant layer 13. These settings cooperate with each other to jointly enhance the stability, durability, and corrosion resistance of the sealing structure, thereby effectively improving the performance and reliability of the overall sealing system.

[0030] In this embodiment, connection blocks 15 are provided on the outer walls of both groups of arc-shaped plates 4. Two through holes 16 are provided on each of the two connection blocks 15. Double-headed bolts 17 are provided inside the two through holes 16. Fixed nuts 18 are provided at both ends of the two double-headed bolts. Fixed nuts 18 are provided at both ends of the two double-headed bolts 17. The fixed nuts 18 are screwed onto both ends of the double-headed bolts 17 to fasten the two connection blocks 15, making the connection between the two arc-shaped plates 4 more stable and preventing loosening from causing the leakage-blocking mechanism to fall apart and affect its use.

[0031] In this embodiment, the enhancing layer 12 is set as a stainless steel plate. The stainless steel plate has excellent corrosion resistance and mechanical strength, and can effectively enhance the overall stability and pressure resistance of the sealing structure.

[0032] In this embodiment, the oil-resistant layer 13 is set as a polytetrafluoroethylene material. The polytetrafluoroethylene material has excellent chemical corrosion resistance and a low friction coefficient, improving the durability and sealing performance of the sealing structure.

[0033] In this embodiment, the anti-corrosion layer 14 is set as a zinc- or aluminum-containing coating. This coating contains anti-corrosion additives, extending the service life of the sealing structure and improving its corrosion resistance in harsh environments.

[0034] In this embodiment, an elastic ring 19 is provided on the outer wall of the inner ring 3. When the elastic ring 19 and the inside of the pipeline 1 are squeezed, the elastic ring 19 undergoes elastic deformation to generate an elastic force, causing the elastic ring 19 to be inclined and squeezed against the inner wall of the pipeline, making the sealing ring 11 closer to the inside of the pipeline.

[0035] In this embodiment, a plurality of elastic pads 20 are provided inside each of the multiple fastening plates 6. The elastic pads 20 can prevent the fastening plates 6 from damaging the outer wall of the pipeline.

[0036] Embodiment 2:

[0037] In summary, during use, insert the inner ring 3 into the pressure pipeline. When the elastic ring 19 is squeezed with the interior of the pipeline, the elastic ring 19 undergoes elastic deformation to generate an elastic force, causing the elastic ring 19 to be inclined and squeezed against the inner wall of the pipeline, making the sealing ring 11 closer to the interior of the pipeline. Rotate multiple fastening bolts 5 so that the fastening plates 6 at their bottoms tightly clamp the pipeline. Multiple elastic pads 20 are provided on the inner sides of the multiple fastening plates 6. The elastic pads 20 can prevent the fastening plates 6 from damaging the outer wall of the pipeline. The same operation is performed for the other set of pressure pipelines. Then, insert several insertion blocks 7 provided on the two connecting rings 1 into the first insertion slots 8 on both sides of the sealing ring 2. At the same time, insert the insertion balls 9 on both sides of the sealing ring 2 into the second insertion slots 10 on one side of the two connecting rings. The ends of the several insertion blocks 7 and the insertion balls 9 are made of rubber. When it is necessary to disassemble the pressure pipeline, only need to unscrew the fixing nuts 18 screwed together at both ends of the double-headed bolt 17, and rotate the two arc-shaped plates 4 to make the multiple fastening plates 6 separate from the outer wall of the pressure pipeline, then the pressure pipeline can be pulled out on the inner ring 3.

[0038] In all the solutions mentioned above, for the connection between two components, welding, the cooperation of bolts and nuts, bolt or screw connection, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one here. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure pipe sealing mechanism, comprising a connecting ring (1) and a sealing ring (2), characterized in that: An inner ring (3) is provided on one side of the connecting ring (1); two groups of arc plates (4) are rotatably provided on the connecting ring (1); multiple groups of fastening bolts (5) are threadedly provided on the two groups of arc plates (4); fastening plates (6) are rotatably provided at the bottom ends of the multiple groups of fixing bolts; multiple groups of plug-in blocks (7) are provided on one side of the connecting ring (1); first plug-in grooves (8) adapted to the multiple groups of plug-in blocks (7) are provided on both sides of the sealing ring (2); multiple groups of plug-in balls (9) are provided on both sides of the sealing ring (2); and second plug-in grooves (10) adapted to the multiple groups of plug-in balls (9) are provided on one side of the connecting ring (1).

2. A pressure pipe sealing mechanism according to claim 1, characterized in that: A sealing ring (11) is arranged inside the sealing ring (2), a reinforcing layer (12) is arranged inside the sealing ring (11), an oil-resistant layer (13) is arranged inside the reinforcing layer (12), and an anti-corrosion layer (14) is arranged inside the oil-resistant layer (13).

3. A pressure pipe sealing mechanism according to claim 1, characterized in that: The outer walls of the two groups of arc-shaped plates (4) are both provided with connecting blocks (15), and the two groups of connecting blocks (15) are both provided with two groups of through holes (16). Stud bolts (17) are both provided in the two groups of through holes (16), and fixing nuts (18) are provided at both ends of the two groups of stud bolts.

4. A pressure pipe sealing mechanism according to claim 2, characterized in that: The reinforcement layer (12) is configured as a stainless steel plate.

5. A pressure pipe sealing mechanism according to claim 2, characterized in that: The oil-resistant layer (13) is made of polytetrafluoroethylene.

6. A pressure pipe sealing mechanism according to claim 2, characterized in that: The anti-corrosion layer (14) is provided as a coating containing zinc or aluminum.

7. A pressure pipe sealing mechanism according to claim 1, characterized in that: An elastic ring (19) is provided on the outer wall of the inner ring (3).

8. A pressure pipe sealing mechanism according to claim 1, characterized in that: Multiple groups of elastic pads (20) are arranged on the inner sides of the multiple groups of fastening plates (6).

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