Stainless steel pipe convenient to connect with each other

Abstract

The utility model discloses a stainless steel pipe convenient for mutual connection, which comprises a first pipe body and a second pipe body, the bottom of one end of the first pipe body is provided with a first trapezoidal groove, the top of one end of the second pipe body adjacent to the first pipe body is provided with a second trapezoidal groove, and the first trapezoidal groove is matched with the second trapezoidal groove; the outer pipe wall of the end, provided with the first trapezoidal groove, of the first pipe body is movably sleeved with a first closed ring, the outer pipe wall of the end, provided with the second trapezoidal groove, of the second pipe body is movably sleeved with a second closed ring, and the first closed ring is in threaded connection with the second closed ring. The stainless steel pipe has the advantages that the trapezoidal grooves which can be in butt joint with each other are formed in the adjacent ends of the first pipe body and the second pipe body respectively for splicing, the transverse stress effect of the two stainless steel pipes during connection can be effectively improved, and the two stainless steel pipes can be in butt joint more conveniently, rapidly and accurately; and through the closed rings which are in threaded connection with each other, the pipe bodies can be connected more quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to stainless steel pipes which are convenient to connect with each other. Background Art

[0002] Stainless steel is the abbreviation of stainless acid-resistant steel. Steels that are resistant to weak corrosive media such as air, steam, and water or have stainless properties are called stainless steels; and steels that are resistant to chemical corrosion media are called acid-resistant steels. Stainless steel pipes are stainless steel products. They are hollow long round steels, which are widely used in industrial pipelines and mechanical structural parts such as petroleum, chemical, medical, food, light industry, and mechanical instruments. In addition, when the bending and torsional strengths are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures.

[0003] However, existing stainless steel pipes need to be sealed and butted under specific installation conditions. The traditional connection method is welding, which seals the stainless steel pipe. Later maintenance requires cutting the stainless steel pipe, which has certain disadvantages. In addition, when the pressure inside the stainless steel pipe is high, even if the connection is equipped with a pipe clamp, it is easy to collapse laterally under stress. Utility Model Content

[0004] The purpose of the utility model is to provide a stainless steel pipe that is convenient to connect with each other, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel tube that is convenient to connect with each other, comprising a first tube body and a second tube body, wherein a first trapezoidal groove is provided at the bottom of one end of the first tube body, and a second trapezoidal groove is provided at the top of an end of the second tube body adjacent to the first tube body, wherein the first trapezoidal groove and the second trapezoidal groove are matched with each other;

[0006] A first closed ring is movably sleeved on the outer tube wall of the first tube body at one end with a first trapezoidal groove, and a second closed ring is movably sleeved on the outer tube wall of the second tube body at one end with a second trapezoidal groove. The first closed ring is threadedly connected to the second closed ring.

[0007] Preferably, an internal thread groove is provided on the side wall of the inner circle side of the first closed ring, and an external thread groove is provided on the outer wall of the outer circle side of the second closed ring, and the internal thread groove and the external thread groove are adapted to be arranged.

[0008] Preferably, a first sealing fixing ring is fixedly sleeved on the outer tube wall of the first tube body at one end close to the first trapezoidal groove, and the inner wall of the first closed ring is in contact with the first sealing fixing ring.

[0009] Preferably, a second sealing fixing ring is fixedly sleeved on the outer tube wall of the second tube body at one end close to the second trapezoidal groove, and the inner wall of the second closed ring is in contact with the second sealing fixing ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a stainless steel pipe that is convenient for interconnection, has a simple structure, is easy to use, and is spliced ​​by respectively opening trapezoidal grooves that can dock with each other at the adjacent ends of the first pipe body and the second pipe body, which can effectively improve the lateral force effect of the two stainless steel pipes when connected, and can make the two stainless steel pipes more convenient and accurate when docking, and the closed rings that are threadedly connected to each other can make the pipe bodies faster when connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] Figure 3 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 4 The structure of the utility model is shown in FIG. Figure 3 .

[0015] In the figure: 1, first tube body; 2, second tube body; 3, first trapezoidal groove; 4, second trapezoidal groove; 5, first closed ring; 6, second closed ring; 7, internal thread groove; 8, external thread groove; 9, first sealing fixing ring; 10, second sealing fixing ring. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-4 The utility model provides a technical solution: a stainless steel pipe that is convenient to connect with each other, including a first tube body 1 and a second tube body 2, a first trapezoidal groove 3 is opened at the bottom of one end of the first tube body 1, a second trapezoidal groove 4 is opened at the top of the end of the second tube body 2 adjacent to the first tube body 1, and the first trapezoidal groove 3 is matched with the second trapezoidal groove 4;

[0018] A first closed ring 5 is movably mounted on the outer wall of the first tube body 1 at one end of which the first trapezoidal groove 3 is formed. A second closed ring 6 is movably mounted on the outer wall of the second tube body 2 at one end of which the second trapezoidal groove 4 is formed. The first closed ring 5 is threadedly connected to the second closed ring 6.

[0019] An internal thread groove 7 is provided on the side wall of the inner circumference of the first closed ring 5 , and an external thread groove 8 is provided on the outer wall of the outer circumference of the second closed ring 6 . The internal thread groove 7 and the external thread groove 8 are adapted to each other to facilitate the connection between the first closed ring 5 and the second closed ring 6 .

[0020] A first sealing fixing ring 9 is fixedly sleeved on the outer tube wall of the first tube body 1 near one end of the first trapezoidal groove 3, and the inner wall of the first closed ring 5 is in contact with the first sealing fixing ring 9. The setting of the first sealing fixing ring 9 can effectively improve the sealing effect and connection effect between the first closed ring 5 and the first tube body 1.

[0021] A second sealing fixing ring 10 is fixedly sleeved on the outer tube wall of the second tube body 2 near one end of the second trapezoidal groove 4, and the inner wall of the second closed ring 6 is in contact with the second sealing fixing ring 10. The setting of the second sealing fixing ring 10 can effectively improve the sealing effect and connection effect between the second closed ring 6 and the second tube body 2.

[0022] Specifically, when using the utility model, the trapezoidal grooves on the first tube body 1 and the second tube body 2 are aligned and spliced ​​with each other, so that the two tube bodies can be quickly pre-connected and aligned, and the trapezoidal grooves that are docked with each other can effectively improve the lateral force effect between the two stainless steel tubes, so that the connection effect between the two stainless steel tubes can be better. After the docking is completed, the first closed loop 5 and the second closed loop 6 can be aligned in adjacent directions, and the external thread groove 8 on the second closed loop 6 can be threadedly inserted into the internal thread groove 7 inside the first closed loop 5, and the first closed loop 5 and the second closed loop 6 are threadedly connected. As the two closed loops are connected, the sealing fixing ring will conflict with the inner wall of the closed loop, thereby stably connecting the two stainless steel tubes.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe that is convenient to connect with each other, characterized in that: The invention comprises a first tube body (1) and a second tube body (2), wherein a first trapezoidal groove (3) is provided at the bottom of one end of the first tube body (1), and a second trapezoidal groove (4) is provided at the top of one end of the second tube body (2) adjacent to the first tube body (1), and the first trapezoidal groove (3) and the second trapezoidal groove (4) are arranged to match each other; A first closed ring (5) is movably sleeved on the outer tube wall of one end of the first tube body (1) having a first trapezoidal groove (3), and a second closed ring (6) is movably sleeved on the outer tube wall of one end of the second tube body (2) having a second trapezoidal groove (4), and the first closed ring (5) and the second closed ring (6) are threadedly connected.

2. A stainless steel pipe that is convenient to connect to each other according to claim 1, characterized in that: An internal thread groove (7) is provided on the side wall of the inner circle side of the first closed ring (5), and an external thread groove (8) is provided on the outer wall of the outer circle side of the second closed ring (6), and the internal thread groove (7) and the external thread groove (8) are adapted to be arranged.

3. The stainless steel pipe that is convenient to connect to each other according to claim 1, characterized in that: A first sealing fixing ring (9) is fixedly sleeved on the outer tube wall of one end of the first tube body (1) close to the first trapezoidal groove (3), and the inner wall of the first closed ring (5) is in contact with the first sealing fixing ring (9).

4. The stainless steel pipe that is convenient to connect to each other according to claim 1, characterized in that: A second sealing fixing ring (10) is fixedly sleeved on the outer tube wall of one end of the second tube body (2) close to the second trapezoidal groove (4), and the inner wall of the second closed ring (6) is in contact with the second sealing fixing ring (10).

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