Metal plug

Abstract

The utility model discloses a metal plug which comprises an end cover, a locking nut and a sealing sleeve, one end of the end cover is inserted into one end of the locking nut, the end cover is in threaded connection with the locking nut, the sealing sleeve is located in the locking nut, and the end cover is connected with the locking nut in a threaded mode. When the end cover and the locking nut get close to each other under the connection of the threads, the sealing sleeve can be pushed out inwards, so that the inner circumferential side of the sealing sleeve is tightly attached to the pipeline. The plug dismounting device has the effect that the plug dismounting convenience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plugging devices, in particular to a metal plug. BACKGROUND

[0002] The plug, also known as a pipe cap, a cover, a pipe cover, a blanking cap, is a pipe fitting installed on the outer thread of the pipe end to cover the pipe. The plug belongs to a mechanical fastener and is used for sealing and closing the pipeline. In general, the outer periphery of the metal plug has threads. When the metal plug needs to be operated, the metal plug needs to be inserted and fixed in the pipe by a tool and locked by threads. However, during use, the pipe may be subjected to external impact, the inner periphery of the pipe may be deformed, and the outer threads of the plug may be tightly clamped in the pipe, making it difficult to remove the plug. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the defects and deficiencies of the prior art and provides a metal plug.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The utility model discloses a metal plug, which comprises a end cover, a locking nut and a sealing sleeve, one end of the end cover is inserted into one end of the locking nut, the end cover is in threaded connection with the locking nut, and the sealing sleeve is located in the locking nut.

[0006] Preferably, one end of the end cover is provided with a first inclined surface, one end of the sealing sleeve is provided with a second inclined surface, the first inclined surface and the second inclined surface are matched with each other, and the first inclined surface is inclined outward from inside to outside.

[0007] Preferably, a plastic ring is arranged between the sealing sleeve and the bottom of the locking nut, a plurality of deformation grooves are uniformly arranged in the plastic ring in the circumferential direction at one end close to the inner bottom of the locking nut, a deformation piece is formed between every two adjacent deformation grooves, and a driving inclined surface is arranged in the inner bottom of the locking nut.

[0008] Preferably, two dismounting grooves are uniformly arranged in the inner end of the end cover.

[0009] Preferably, a stabilizing rod is inserted into the dismounting groove, and one end of the stabilizing rod penetrates out of the outer end surface of the end cover.

[0010] Preferably, a linkage rod is connected between the outer ends of the two stabilizing rods.

[0011] Preferably, a placing groove is arranged in the outer end surface of the end cover and used for placing the linkage rod.

[0012] In summary, the present application includes at least one of the following beneficial technical effects:

[0013] 1. When the pipe needs to be plugged, the locking nut is first sleeved on the pipe, then the sealing sleeve is sleeved on the pipe and slid into the locking nut, and then the end cap is sleeved on the pipe, one end of the pipe abuts against the inner bottom of the end cap, then the locking nut is rotated by a wrench, and under the cooperation of the outer threads of the end cap and the inner threads of the locking nut, the end cap continuously moves into the locking nut, then under the cooperation of the first inclined surface and the second inclined surface, one end of the sealing sleeve is pushed inward, so that the inner circumferential side of the sealing sleeve is clamped and fixed on the side wall of the pipe, so that the plug plugs the outlet of the pipe, and the plug is not affected under the impact of external force, so that the plug can be quickly disassembled from the pipe, improving the convenience of disassembling the plug;

[0014] 2. When the end cap and the locking nut are close to each other, the sealing sleeve presses the plastic ring, then the driving inclined surface pushes the deformation piece, so that the deformation groove shrinks, the inner side wall of the outer end of the deformation piece bends inward, and the inner side wall of the outer end of the deformation piece abuts against the side wall of the pipe, improving the stability between the plug and the pipe;

[0015] 3. When the plug is used for a long time, the outer threads of the end cap and the inner threads of the locking nut are rusted, then the linkage rod is pulled to pull out the two stabilizing rods from the disassembly groove, then the locking nut is rotated to move the end cap and the locking nut away from each other, and under the change of the two disassembly grooves, the end cap can be quickly rotated out of the locking nut, improving the convenience of disassembling the end cap. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a sectional view of the plug of the utility model;

[0017] Figure 2 is a sectional view of the plug of the utility model from another angle.

[0018] In the figure: 1, end cap; 2, locking nut; 3, sealing sleeve; 4, first inclined surface; 5, second inclined surface; 6, plastic ring; 7, driving inclined surface; 8, deformation groove; 9, deformation piece; 10, disassembly groove; 11, perforation; 12, stabilizing rod; 13, placing groove; 14, linkage rod. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings.

[0020] The embodiment of the application discloses a metal plug.

[0021] Referring to Figure 1 and Figure 2The end cap 1, the locking nut 2 and the sealing sleeve 3 are arranged on the pipeline, the vertical section of the locking nut 2 is in the shape of two symmetrical 'L' characters, the sealing sleeve 3 is arranged in the locking nut 2, the outer periphery of one end of the end cap 1 is provided with external threads, the inner periphery of one end of the locking nut 2 is provided with internal threads, and the end cap 1 is screwed to the locking nut 2.

[0022] The inner periphery of one end of the end cap 1 is provided with a first inclined surface 4 in the circumferential direction, the outer periphery of one end of the sealing sleeve 3 is provided with a second inclined surface 5 in the circumferential direction, and the first inclined surface 4 and the second inclined surface 5 are matched with each other.

[0023] The inner bottom of the locking nut 2 is provided with a plastic ring 6, one end of the plastic ring 6 is abutted against one end of the sealing sleeve 3, the other end of the plastic ring 6 is abutted against the inner bottom of the locking nut 2, the inner bottom of the locking nut 2 is provided with a driving inclined surface 7, six deformation grooves 8 are uniformly arranged in the circumferential direction at one end of the plastic ring 6 close to the driving inclined surface 7, and deformation pieces 9 are formed between two adjacent deformation grooves 8.

[0024] The inner end of the end cap 1 is uniformly provided with two dismounting grooves 10, the end cap 1 is provided with perforations 11 at the bottom of the dismounting grooves 10, the dismounting grooves 10 are inserted with stabilizing rods 12, one end of the stabilizing rods 12 passes through the perforations 11 and extends out of the outer end surface of the end cap 1, the outer end surface of the end cap 1 is provided with a placing groove 13, the placing groove 13 connects the two perforations 11, a linkage rod 14 is arranged in the placing groove 13, and two ends of the linkage rod 14 are rotationally connected to the outer ends of the two stabilizing rods 12.

[0025] The above only describes preferred embodiments of the present application, and equivalent changes or modifications made according to the structure, features and principles of the present application patent application range are included in the present application patent application range.

Claims

1. A metal plug, characterized by: The utility model relates to a pipe end sealing device, including end cover (1), locking nut (2) and sealing sleeve (3), one end of end cover (1) is inserted in one end of locking nut (2), end cover (1) is connected with locking nut (2) and is in screw thread, sealing sleeve (3) is located in locking nut (2), when end cover (1) and locking nut (2) are mutually close under the connection of screw thread, sealing sleeve (3) can be pushed out to the inside, make the inner peripheral side of sealing sleeve (3) adhere to pipeline.

2. A metal plug according to claim 1, characterized in that One end of end cover (1) is provided with first inclined plane (4), one end of sealing sleeve (3) is provided with second inclined plane (5), first inclined plane (4) and second inclined plane (5) are mutually matched, first inclined plane (4) is inclined outward from inside to outside.

3. A metal plug according to claim 1, wherein The bottom of sealing sleeve (3) and locking nut (2) have plastic ring (6), a plurality of deformation grooves (8) are evenly formed in one end of plastic ring (6) near the bottom of locking nut (2), deformation piece (9) is formed between adjacent two deformation grooves (8), and the bottom of locking nut (2) is provided with driving inclined plane (7).

4. A metal plug according to claim 1, wherein The inner end of end cover (1) is evenly provided with two dismounting grooves (10).

5. A metal plug according to claim 4, wherein The dismounting groove (10) is inserted with a stabilizing rod (12), and one end of the stabilizing rod (12) penetrates out from the outer end surface of the end cover (1).

6. A metal plug according to claim 5, wherein The outer ends of the two stabilizing rods (12) are connected with a linkage rod (14).

7. A metal plug according to claim 6, characterized in that The outer end surface of the end cover (1) is provided with a placing groove (13) for placing the linkage rod (14).

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