Anti-seepage thin nut for pipeline

Abstract

The utility model relates to the technical field of fasteners, in particular to an anti-seepage thin nut for a pipeline, which comprises a nut, a sealing block and a nut cover, the nut is connected with the lower sealing block through a bottom locking block, the nut cover is arranged outside the nut, and the bottom of the nut cover is inserted into the sealing block. The nut can be arranged inside and outside a pipeline by connecting the inner concave sealing block or the outer convex sealing block, sealing treatment is carried out through the sealing connecting block arranged at the bottom of the sealing block and the connecting position, leakage of transported objects is prevented, and integrity and safety of the pipeline are improved; and the nut cover is arranged outside the nut, and the anti-seepage block is arranged in the nut cover, so that the nut can be prevented from being corroded and permeated by the environment, the corrosion resistance of the falling screen is improved, and the service life of the nut is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, and more specifically to an anti-seepage thin nut for pipelines. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for conveying gas, liquid or fluid with solid particles. Usually, the fluid flows from the high pressure part of the pipeline to the low pressure part after being pressurized by blowers, compressors, pumps and boilers. It can also be conveyed by the fluid's own pressure or gravity. Pipelines are widely used, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices.

[0003] An existing thin nut, with announcement number CN 213331967 U, comprises a thin nut body, a threaded through hole, an open groove, a support rib, an upper gasket, a lower gasket, a first connecting column and a second connecting column, wherein the center of the thin nut body is provided with a threaded through hole, the side wall of the thin nut body is provided with an open groove, the inside of the open groove is provided with a support rib, the top surface and the bottom surface of the thin nut body are respectively provided with an upper gasket and a lower gasket, the inner wall of the threaded through hole is provided with a plurality of limiting grooves, the bottom of the upper gasket and the top of the lower gasket are respectively provided with a first connecting column and a second connecting column, and the first connecting column and the second connecting column are located inside the limiting groove. This thin nut increases strength and anti-loosening performance, and increases its safety when used, but cannot be used for fixing inside and outside the pipeline. When the nut is applied to the pipeline, due to the gap between the bottom of the nut and the arc surface of the pipeline, the sealing of the connection is poor, which easily leads to leakage of the transported object, which is not conducive to the use of pipeline transportation. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide an anti-seepage thin nut for pipelines, which is suitable for fixing inside and outside the pipeline and improves the sealing and stability of the connection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin anti-seepage nut for pipes, comprising a nut, a sealing block, and a nut cover, wherein the nut is connected to the sealing block below through a bottom locking block, a nut cover is provided outside the nut, and the bottom of the nut cover is inserted into the sealing block.

[0006] Preferably, the nut is a hexagonal nut, which includes a nut body, a nut hole, a locking block, and a sealing ring. A nut hole is provided at the center of the nut body, and threads are evenly arranged on the inner wall of the nut hole. A locking block is provided at the bottom of the nut body. There are six locking blocks, one side of the locking block is higher than the other side, and the locking blocks are arranged clockwise so that the higher side is connected to the lower side of another locking block. A sealing ring is provided on the top of the nut body.

[0007] Preferably, the inner diameter of the sealing ring is smaller than the diameter of the nut hole.

[0008] Preferably, the sealing block includes a sealing block body, a locking groove, a sealing connection block, a slot, and a sealing hole. The sealing block body is protruding downward, a locking groove is provided on the top of the sealing block body, the locking groove matches the locking block, a slot is provided on the outside of the locking groove, and a sealing connection block is provided on the bottom of the sealing block body.

[0009] Preferably, the sealing connection block is made of elastic material.

[0010] Preferably, the sealing block body also includes an upward concave portion.

[0011] Preferably, the nut cover comprises a nut cover body and an anti-seepage block, the nut cover body is a hollow cover body, a plurality of anti-seepage blocks are arranged inside the nut cover body, and the anti-seepage blocks are arranged between the nut cover body and the nut.

[0012] Preferably, the inner side of the anti-seepage block is coated with an epoxy resin coating.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a thin anti-seepage nut for pipelines. The nut can be arranged inside or outside the pipeline by connecting an inner concave or outer convex sealing block, and a sealing connection block arranged at the bottom of the sealing block and the connection is used for sealing to prevent leakage of transported goods and improve the integrity and safety of the pipeline;

[0015] 2. The utility model discloses an anti-seepage thin nut for pipelines, the outside of which is provided with a nut cover, and the inside of which is provided with an anti-seepage block, which can prevent the environment from corroding and penetrating the nut, improve the corrosion resistance of the nut, and extend the service life of the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a first embodiment of an anti-seepage thin nut for a pipeline of the utility model;

[0017] Figure 2 This is a cross-sectional view of an embodiment 1 of an anti-seepage thin nut for a pipeline of the utility model;

[0018] Figure 3 This is a bottom view of a nut body and a nut cover assembly of an anti-seepage thin nut for pipelines of the utility model;

[0019] Figure 4 This is a top view of an anti-seepage thin nut sealing block for pipelines of the utility model;

[0020] Figure 5This is a structural schematic diagram of a second embodiment of an anti-seepage thin nut for a pipeline of the utility model;

[0021] In the figure: 1-nut, 11-nut body, 12-nut hole, 13-locking block, 14-sealing ring, 2-sealing block, 21-sealing block body, 22-locking groove, 23-sealing connection block, 24-slot, 25-sealing hole, 3-nut cover, 31-nut cover body, 32-anti-seepage block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 In the embodiment of the utility model, a thin anti-seepage nut for a pipeline includes a nut 1, a sealing block 2, and a nut cover 3. The nut 1 is a hexagonal nut. The nut 1 includes a nut body 11, a nut hole 12, a locking block 13, and a sealing ring 14. The nut body 11 is provided with a nut hole 12 at the center thereof. The inner wall of the nut hole 12 is evenly provided with threads. A locking block 13 is provided at the bottom of the nut body 11. Six locking blocks 13 are provided. One side of the locking block 13 is high and the other side is low. The locking block 13 is arranged clockwise so that the high side is connected to the low side of another locking block 13. A sealing ring 14 is provided at the top of the nut body 11. The inner diameter of the sealing ring 14 is smaller than the diameter of the nut hole 12. The nut 1 is connected to the sealing block 2 below through the bottom locking block 13. The sealing block 2 includes a sealing block main The sealing block body 21, the locking groove 22, the sealing connection block 23, the slot 24, the sealing hole 25, the sealing block body 21 is convex downward, the top of the sealing block body 21 is provided with a locking groove 22, the locking groove 22 matches the locking block 13, the outer side of the locking groove 22 is provided with a slot 24, the bottom of the sealing block body 21 is provided with a sealing connection block 23, the sealing connection block 23 is made of elastic material, the nut 1 is provided with a nut cover 3, the nut cover 3 includes a nut cover body 31 and an anti-seepage block 32, the nut cover body 31 is a hollow cover body, the nut cover body 31 is provided with a plurality of anti-seepage blocks 32, the anti-seepage blocks 32 are arranged between the nut cover body 31 and the nut 1, the inner side of the anti-seepage block 32 is coated with an epoxy resin coating, and the nut cover body 31 is inserted into the slot 24 of the sealing block 2.

[0025] Embodiment 2

[0026] See also Figure 5 In an embodiment of the utility model, a thin anti-seepage nut for a pipeline includes a nut 1, a sealing block 2, and a nut cover 3. The nut 1 is a hexagonal nut, and the nut 1 is connected to the sealing block 2 which is concave upward at the bottom. A nut cover 3 is provided outside the nut 1, and the nut cover 3 is inserted into the sealing block 2. The thin anti-seepage nut for a pipeline can be set outside the pipeline.

[0027] Working principle:

[0028] The utility model discloses an anti-seepage thin nut for pipeline. Before use, the locking block 13 at the bottom of the nut 1 is aligned with the locking groove 22 at the top of the sealing block 2 and rotated to fix it. Then, the bottom of the nut cover 3 is inserted into the slot 24 of the sealing block 2 for assembly. If it is installed inside the pipeline, a convex sealing block is used; if it is installed outside the pipeline, a concave sealing block is used, the sealing hole 25 and the nut hole 12 are aligned with the connecting hole, and the nut is fixed at the pipeline hole by rotating the bolt. At this time, the arc-shaped adaptive sealing block 2 can be tightly attached to the connecting surface, thereby improving the sealing performance at the connecting hole. When in use, the nut cover 3 protects the internal nut 1. The nut cover 3 is provided with an anti-seepage block coated with epoxy resin, which is beneficial to preventing external corrosion to the nut, thereby improving the safety of the nut and extending its service life.

[0029] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A thin anti-seepage nut for a pipeline, characterized in that: The invention comprises a nut (1), a sealing block (2), and a nut cover (3); the nut (1) is connected to the sealing block (2) below via a bottom locking block (13); a nut cover (3) is provided outside the nut (1); and the bottom of the nut cover (3) is inserted into the sealing block (2).

2. The anti-seepage thin nut for pipeline according to claim 1, characterized in that: The nut (1) is a hexagonal nut. The nut (1) comprises a nut body (11), a nut hole (12), a locking block (13), and a sealing ring (14). The nut body (11) is provided with a nut hole (12) at the center thereof. The inner wall of the nut hole (12) is evenly provided with threads. A locking block (13) is provided at the bottom of the nut body (11). There are six locking blocks (13), one side of the locking blocks (13) is higher than the other side. The locking blocks (13) are arranged in a clockwise direction so that the higher side is connected to the lower side of another locking block (13). A sealing ring (14) is provided at the top of the nut body (11).

3. The anti-seepage thin nut for pipeline according to claim 2, characterized in that: The inner diameter of the sealing ring (14) is smaller than the diameter of the nut hole (12).

4. The anti-seepage thin nut for pipeline according to claim 1, characterized in that: The sealing block (2) comprises a sealing block body (21), a locking groove (22), a sealing connection block (23), a slot (24), and a sealing hole (25). The sealing block body (21) is convex downwardly, a locking groove (22) is provided on the top of the sealing block body (21), the locking groove (22) matches the locking block (13), a slot (24) is provided on the outside of the locking groove (22), and a sealing connection block (23) is provided on the bottom of the sealing block body (21).

5. The anti-seepage thin nut for pipeline according to claim 4, characterized in that: The sealing connection block (23) is made of elastic material.

6. The anti-seepage thin nut for pipeline according to claim 4, characterized in that: The sealing block body (21) also includes an upward concave portion.

7. The anti-seepage thin nut for pipeline according to claim 1, characterized in that: The nut cover (3) comprises a nut cover body (31) and an anti-seepage block (32). The nut cover body (31) is a hollow cover body. A plurality of anti-seepage blocks (32) are arranged inside the nut cover body (31). The anti-seepage blocks (32) are arranged between the nut cover body (31) and the nut (1).

8. The anti-seepage thin nut for pipeline according to claim 7, characterized in that: The inner side of the anti-seepage block (32) is coated with an epoxy resin coating.

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