Local double-layer sealing assembly for pipeline

Abstract

The utility model discloses a pipeline local double-layer sealing assembly, which relates to the technical field of pipeline sealing, and comprises a locking sealing box, a locking plate, a double-layer locking assembly and an anti-falling assembly, the locking plates are fixedly arranged on the two sides of the locking sealing box, an anti-falling plate is arranged at the top of the locking sealing box, and a pipeline is arranged at the bottom of the locking sealing box; the double-layer locking assembly is arranged on the inner surface of the locking plate in a sliding mode and used for locking the pipeline. The anti-falling assembly is fixedly arranged at the top of the anti-falling plate and used for preventing the situation that nuts are loosened due to jolting and fall off. The U-shaped pull rod is fixed by screwing the locking nut on the fixing screw rod, the adjusting screw rod is driven by screwing the adjusting knob to rotate on the inner wall of the guide rod so that the sealing gasket slips can be tightly attached to the leakage-proof face of the pipeline, and finally a sealing injection agent is injected, so that the sealing injection agent can be effectively prevented from permeating into the pipeline to form blockage. The structure is simple and convenient, and convenience is brought to operators.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline sealing, in particular to a local double-layer sealing component for a pipeline. Background Art

[0002] When transporting and storing liquids, gases and other media, there is a risk of leakage. In order to reduce this risk and improve the safety and reliability of the pipeline system, double-layer sealing technology came into being.

[0003] In the related technologies, in order to solve the pipeline leakage problem, pipeline sealing and plugging technology has been rapidly developed. This technology achieves effective plugging of the leakage point by adopting high-performance sealing materials, advanced sealing structure design and reliable sealing process. Announcement No.: CN220379195U discloses a pressurized pipeline plugging device, which reduces the flow rate, pressure and temperature of the leakage point by setting a desuperheater, facilitates the pressurized plugging of the pipeline, thereby reducing the difficulty of sealing the pipeline and improving the stability of the pressurized pipeline plugging device.

[0004] However, when the device is in use, the sealing injection may enter the pipeline system during the plugging process. If the sealing injection enters the interior of the pipeline, it may accumulate at certain locations, causing pipeline blockage.

[0005] Based on this, a local double-layer pipeline sealing component is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content

[0006] The utility model aims to provide a local double-layer sealing component for a pipeline to solve the problems in the background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A local double-layer sealing component for a pipeline includes: a locking sealing box; a locking plate, the locking plates are fixedly arranged on both sides of the locking sealing box, an anti-falling plate is arranged on the top of the locking sealing box, and a pipeline is arranged on the bottom of the locking sealing box; a double-layer locking component, the double-layer locking component is slidably arranged on the inner surface of the locking plate, and is used to lock the pipeline.

[0009] The anti-falling component is fixedly arranged on the top of the anti-falling plate to prevent the nut from loosening and falling off due to bumps.

[0010] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0011] In an optional solution: the double-layer locking assembly includes a U-shaped pull rod, which is slidably set on the inner surface of the locking plate, and the top of the U-shaped pull rod and the inner surface of the locking plate are fixedly connected with a fixing screw, the outer surface of the fixing screw is threadedly connected with a locking nut, and the top of the locking plate is fixedly connected with a locking piece.

[0012] In an optional solution: the top of the locking sealing box is connected to a leak-proof component to prevent the sealing injection from entering the pipeline and causing blockage.

[0013] In an optional scheme: the leak-proof component includes a glue injection valve, which is connected to the top of the locking and sealing box. The top of the locking and sealing box is fixedly connected with a guide rod, the bottom end of the guide rod passes through the top of the locking and sealing box and extends to the interior of the locking and sealing box, the inner surface of the guide rod is threadedly connected with an adjusting screw, the top of the adjusting screw is fixedly connected with an adjusting knob, the bottom end of the adjusting screw is rotatably connected with a rotating shaft, and the bottom of the rotating shaft is fixedly connected with a sealing pad slip.

[0014] In an optional scheme: the anti-falling assembly includes a fixed seat, the fixed seat is fixedly set on the top of the anti-falling plate, the inner surface of the fixed seat is slidably provided with a fixed knob, the bottom of the fixed knob is fixedly connected to a sliding rod, the inner surface of the fixed seat is fixedly connected to a limiting plate, the bottom of the adjusting knob and the outer surface of the sliding rod are fixedly connected with a spring, the bottom of the spring is fixedly connected to the top of the limiting plate, the bottom of the sliding rod is fixedly connected to a locking support rod, and the inner surface of the locking piece is fixedly connected to a limiting block adapted to the locking support rod.

[0015] In an optional solution: a sealing gasket is provided on the contact surface between the sealing gasket slip and the pipeline, and the material is natural rubber.

[0016] In an optional solution: an opening with a diameter matching that of the sliding rod is formed on the outer surface of the limiting plate, and the diameter of the top end of the locking support rod is larger than the opening diameter of the limiting plate.

[0017] In an optional solution: a locking protrusion is provided on the outer surface of the locking support rod, and an opening matching the locking support rod is provided on the top of the locking member.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. The utility model fixes the U-shaped pull rod by screwing the locking nut on the fixing screw, and drives the adjusting screw to rotate on the inner wall of the guide rod by screwing the adjusting knob so that the sealing pad slip fits tightly against the leak-proof surface of the pipeline, and finally injects the sealing injection agent, which can effectively prevent the sealing injection agent from penetrating into the interior of the pipeline to form a blockage. The structure is simple and convenient, which brings convenience to the operator.

[0020] 2. The utility model limits the locking support rod in the locking member by pressing down and twisting the fixing knob, and then resets it under the setting of the spring, thereby locking it in the locking member, so that the anti-falling plate is tightly fixed on the top of the locking nut, preventing the locking nut from loosening and falling off due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a structural schematic diagram of the double-layer sealing component in the utility model.

[0023] Figure 3 It is a schematic cross-sectional view of the locking and sealing box in the utility model.

[0024] Figure 4 It is a structural schematic diagram of the anti-falling component in the utility model.

[0025] Figure 5 It is a schematic cross-sectional structural diagram of the fixing seat in the utility model.

[0026] Notes on the figure numbers: 1. Locking sealing box; 2. Locking plate; 3. Anti-falling plate; 4. Pipe; 5. U-shaped pull rod; 6. Fixing screw; 7. Locking nut; 8. Locking piece; 9. Injection valve; 10. Guide rod; 11. Adjusting screw; 12. Adjusting knob; 13. Rotating shaft; 14. Sealing pad slip; 15. Fixed seat; 16. Fixing knob; 17. Sliding rod; 18. Limiting plate; 19. Spring; 20. Locking support rod; 21. Limiting block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] In one embodiment, Figure 1-Figure 5 As shown, the local double-layer sealing assembly of the pipeline includes a locking seal box 1, a locking plate 2, a double-layer locking assembly and an anti-drop assembly; the locking plate 2 is fixedly arranged on both sides of the locking seal box 1, the top of the locking seal box 1 is provided with an anti-drop plate 3, and the bottom of the locking seal box 1 is provided with a pipeline 4; the double-layer locking assembly is slidably arranged on the inner surface of the locking plate 2 to lock the pipeline 4. The anti-drop assembly is fixedly arranged on the top of the anti-drop plate 3 to prevent the nut from loosening and falling off due to bumps. The setting of the locking plate 2 facilitates the fixing of the U-shaped pull rod 5;

[0029] In one embodiment, Figure 2As shown, the double-layer locking assembly includes a U-shaped pull rod 5, which is slidably arranged on the inner surface of the locking plate 2, and a fixing screw 6 is fixedly connected to the top of the U-shaped pull rod 5 and located on the inner surface of the locking plate 2, and a locking nut 7 is threadedly connected to the outer surface of the fixing screw 6, and a locking piece 8 is fixedly connected to the top of the locking plate 2. The top of the locking sealing box 1 is connected to a leak-proof assembly for preventing the sealing injection from entering the pipeline 4 and causing blockage. The setting of the fixing screw 6 makes it convenient for the operator to turn the locking nut 7 to lock it.

[0030] In one embodiment, Figure 2 and Figure 3 As shown, the leak-proof component includes a glue injection valve 9, which is connected to the top of the locking and sealing box 1. The top of the locking and sealing box 1 is fixedly connected with a guide rod 10, and the bottom end of the guide rod 10 passes through the top of the locking and sealing box 1 and extends to the inside of the locking and sealing box 1. The inner surface of the guide rod 10 is threadedly connected with an adjusting screw 11, and the top of the adjusting screw 11 is fixedly connected with an adjusting knob 12. The bottom end of the adjusting screw 11 is rotatably connected with a rotating shaft 13, and the bottom of the rotating shaft 13 is fixedly connected with a sealing pad slip 14. The contact surface between the sealing pad slip 14 and the pipeline 4 is provided with a sealing pad made of natural rubber, which is convenient for increasing the fit between the pipeline 4 and enhancing the sealing effect. The setting of the glue injection valve 9 is convenient for the operator to add the setting of the sealing injection guide rod 10, which is convenient for the rotation of the adjusting screw 11, the setting of the adjusting screw 11 is convenient for locking the sealing pad slip 14, and the setting of the rotating shaft 13 is convenient for adjusting the direction of the sealing pad slip 14.

[0031] In one embodiment, Figure 4 and Figure 5 As shown, the anti-falling assembly includes a fixing seat 15, which is fixedly arranged on the top of the anti-falling plate 3, and a fixing knob 16 is slidably arranged on the inner surface of the fixing seat 15, and a sliding rod 17 is fixedly connected to the bottom of the fixing knob 16, and a limiting plate 18 is fixedly connected to the inner surface of the fixing seat 15, and a spring 19 is fixedly connected to the bottom of the adjusting knob 12 and the outer surface of the sliding rod 17, and the bottom of the spring 19 is fixedly connected to the top of the limiting plate 18, and a locking support rod 20 is fixedly connected to the bottom of the sliding rod 17, and a limiting block 21 adapted to the locking support rod 20 is fixedly connected to the inner surface of the locking member 8. The outer surface of the limit plate 18 is provided with an opening whose diameter is matched with the sliding rod 17, which is convenient for the sliding rod 17 to slide. The diameter of the top end of the locking support rod 20 is larger than the opening diameter of the limit plate 18, so that the locking support rod 20 limits the limit plate 18. The outer surface of the locking support rod 20 is provided with a locking protrusion, and the top of the locking member 8 is provided with an opening matched with the locking support rod 20, which is convenient for the locking support rod 20 to be inserted. The setting of the fixed knob 16 is convenient for the locking protrusion of the locking support rod 20 to change direction when twisting, and the setting of the spring 19 is convenient for resetting after the adjustment knob 16 is pressed down.

[0032] The above embodiment discloses a local double-layer sealing component for a pipeline, wherein the pipeline 4 is brought into contact with the bottom of the locking sealing box 1, and then the U-shaped pull rod 5 is fixed by screwing the locking nut 7 on the fixing screw 6, and the adjusting screw 11 is driven to rotate on the inner wall of the guide rod 10 by screwing the adjusting knob 12 so that the sealing pad slip 14 is tightly fitted to the leak-proof surface of the pipeline, and finally the sealing injection agent is injected from the injection valve 9 to form a seal. The device can prevent the sealing injection agent from penetrating into the interior of the pipeline during injection and thus forming a blockage. The double-layer locking and sealing method is adopted, and the structure is simple and convenient, which brings convenience to the operator. By pressing down the fixing knob 16, the locking support rod 20 is inserted into the locking piece 8 and then screwed, and the limiting block 21 in the locking piece 8 limits the locking support rod 20, and then the spring 19 is reset to lock the locking support rod 20, so that the anti-falling plate 3 is tightly fixed on the top of the locking nut 7 to prevent the locking nut 7 from loosening and falling off due to long-term use.

[0033] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. The local double-layer sealing assembly of the pipeline includes: Locking the sealing box (1); A locking plate (2), wherein the locking plate (2) is fixedly arranged on both sides of the locking and sealing box (1), an anti-falling plate (3) is arranged on the top of the locking and sealing box (1), and a pipe (4) is arranged on the bottom of the locking and sealing box (1); It is characterized in that it also includes a double-layer locking component, which is slidably arranged on the inner surface of the locking plate (2) and is used to lock the pipeline (4); An anti-falling component is fixedly arranged on the top of the anti-falling plate (3) and is used to prevent the nut from loosening and falling off due to bumps.

2. The pipeline partial double-layer sealing assembly according to claim 1, characterized in that: The double-layer locking assembly includes a U-shaped pull rod (5), which is slidably arranged on the inner surface of the locking plate (2), and a fixing screw (6) is fixedly connected to the top of the U-shaped pull rod (5) and located on the inner surface of the locking plate (2), and a locking nut (7) is threadedly connected to the outer surface of the fixing screw (6), and a locking piece (8) is fixedly connected to the top of the locking plate (2).

3. The pipeline partial double-layer sealing assembly according to claim 2, characterized in that: The top of the locking and sealing box (1) is connected to a leak-blocking assembly for preventing the sealing injection from entering the pipeline (4) and causing blockage.

4. The pipeline partial double-layer sealing assembly according to claim 3, characterized in that: The leak-proof component comprises a glue injection valve (9), the glue injection valve (9) is connected to the top of the locking and sealing box (1), the top of the locking and sealing box (1) is fixedly connected to a guide rod (10), the bottom end of the guide rod (10) passes through the top of the locking and sealing box (1) and extends to the inside of the locking and sealing box (1), the inner surface of the guide rod (10) is threadedly connected to an adjusting screw (11), the top of the adjusting screw (11) is fixedly connected to an adjusting knob (12), the bottom end of the adjusting screw (11) is rotatably connected to a rotating shaft (13), and the bottom of the rotating shaft (13) is fixedly connected to a sealing pad slip (14).

5. The pipeline partial double-layer sealing assembly according to claim 4, characterized in that: The anti-falling assembly comprises a fixing seat (15), wherein the fixing seat (15) is fixedly arranged on the top of the anti-falling plate (3), a fixing knob (16) is slidably arranged on the inner surface of the fixing seat (15), a sliding rod (17) is fixedly connected to the bottom of the fixing knob (16), a limiting plate (18) is fixedly connected to the inner surface of the fixing seat (15), a spring (19) is fixedly connected to the bottom of the adjusting knob (12) and the outer surface of the sliding rod (17), the bottom of the spring (19) is fixedly connected to the top of the limiting plate (18), a locking support rod (20) is fixedly connected to the bottom of the sliding rod (17), and a limiting block (21) adapted to the locking support rod (20) is fixedly connected to the inner surface of the locking member (8).

6. The pipeline partial double-layer sealing assembly according to claim 4, characterized in that: The contact surface between the sealing slip (14) and the pipeline (4) is provided with a sealing gasket made of natural rubber.

7. The pipeline partial double-layer sealing assembly according to claim 5, characterized in that: The outer surface of the limiting plate (18) is provided with an opening whose diameter matches that of the sliding rod (17), and the diameter of the top end of the locking support rod (20) is larger than the opening diameter of the limiting plate (18).

8. The pipeline partial double-layer sealing assembly according to claim 5, characterized in that: The outer surface of the locking support rod (20) is provided with a locking protrusion, and the top of the locking piece (8) is provided with an opening matched with the locking support rod (20).

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