Nickel alloy stainless steel pipe

Abstract

The utility model discloses a nickel alloy stainless steel pipe, which belongs to the technical field of stainless steel pipes and comprises a female pipe and a male pipe, the female pipe is in threaded connection with the male pipe, and elastic shielding hoops are clamped and sleeved outside the female pipe and the male pipe. The mother pipe comprises a first pipe body and a threaded ring, an annular groove is formed in the outer face of the first pipe body, and first clamping faces are symmetrically formed in the annular groove. The male pipe comprises a second pipe body and a threaded nozzle, a clamping groove is formed in the outer face of the second pipe body, and second clamping faces are symmetrically formed in the clamping groove. The elastic shielding hoop comprises an elastic hoop body and a rotation limiting block, and the rotation limiting block is fixedly connected to the inner end face of the elastic hoop body. When the female pipe and the male pipe are in butt joint, the male pipe is screwed into the female pipe through a wrench, then the elastic shielding hoop is pulled outwards with hands, the female pipe and the male pipe are sleeved with the elastic shielding hoop, the concave positions of the female pipe and the male pipe are shielded through the elastic shielding hoop, and the flatness of the outer surfaces of the female pipe and the male pipe after butt joint is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stainless steel pipes, in particular to a nickel alloy stainless steel pipe. Background Art

[0002] Stainless steel pipe is a hollow, long, round steel bar widely used in industrial pipelines and mechanical components in the petroleum, chemical, medical, food, light industry, and instrumentation industries. Furthermore, its light weight, while maintaining the same bending and torsional strength, makes it widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used in furniture and kitchenware. Nickel alloy pipe is a type of stainless steel pipe.

[0003] Threaded butt joint of two nickel alloy stainless steel pipes requires a grooved clamping surface on the pipe wall for the wrench to clamp and twist. After the two nickel alloy stainless steel pipes are butt jointed, the concave clamping surface on the pipe wall is not conducive to overall flatness, and the inside is not conducive to scrubbing and is prone to accumulating dirt, resulting in the problem of poor flatness of conventional nickel alloy stainless steel pipes after butt jointing.

[0004] To this end, we propose nickel alloy stainless steel pipes to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem of poor flatness of conventional nickel alloy stainless steel pipes after butt-jointing, and proposes a nickel alloy stainless steel pipe.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] Nickel alloy stainless steel pipes include a female pipe and a male pipe, the female pipe being threadedly connected to the male pipe. Both pipes are fitted with elastic shielding ferrules. To connect the female and male pipes, first screw the male pipe into the female pipe with a wrench, then manually pull the elastic shielding ferrule outward and fit it over the female and male pipes. This shielding ferrule conceals the recessed areas of the female and male pipes, improving the smoothness of the surfaces after connection.

[0008] Preferably, the mother tube includes a first tube body and a threaded ring. The first tube body is provided with an annular groove on its outer surface, and a first clamping surface is symmetrically provided inside the annular groove. A wrench is clamped on the first clamping surface and then tightened to secure the mother tube, or the wrench is operated to rotate the first tube body, thereby conveniently controlling the rotation of the mother tube via the wrench.

[0009] Preferably, the male pipe includes a second pipe body and a threaded nozzle. The second pipe body is provided with a clamping groove on its outer surface, and a second clamping surface is symmetrically provided inside the clamping groove. A wrench is clamped on the second clamping surface and tightened to secure the second pipe body, or the wrench is used to rotate the second pipe body, thereby conveniently controlling the male pipe with the wrench.

[0010] Preferably, the elastic shielding hoop comprises an elastic hoop body and a rotation-limiting block, wherein the rotation-limiting block is fixedly connected to the inner end surface of the elastic hoop body. The rotation-limiting block is clamped on the first clamping surface or the second clamping surface so that the middle portion of the elastic hoop body is just outside the first clamping surface or the second clamping surface on the other side. The middle portion of the elastic hoop body is pressed so that the rear portion of the elastic hoop body is sunk into the first clamping surface, thereby causing the elastic hoop body to open outward, creating a clear gap between the elastic hoop body and the female tube or the male tube. A tool is inserted into the gap to tilt the elastic shielding hoop open and remove it, thereby facilitating the removal of the elastic shielding hoop.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] 1. When connecting the female pipe and the male pipe, first use a wrench to screw the male pipe into the female pipe, then pull the elastic shielding hoop outwards by hand, put the elastic shielding hoop on the female pipe and the male pipe, and use the elastic shielding hoop to cover the depressions of the female pipe and the male pipe to improve the flatness of the surface after the female pipe and the male pipe are connected.

[0013] 2. Clamp the wrench on the first clamping surface, then hold the wrench tightly to fix the mother tube, or operate the wrench to drive the first tube body to rotate, so that the rotation of the mother tube can be controlled by the wrench.

[0014] 3. Clamp the wrench on the second clamping surface, hold the wrench tightly to fix the second tube body, or use the wrench to operate the second tube body to rotate, so that the male tube can be controlled with the help of the wrench.

[0015] 4. Use the rotation limit block to clamp on the first clamping surface or the second clamping surface, so that the middle part of the elastic hoop body is just outside the first clamping surface or the second clamping surface on the other side, press the middle part of the elastic hoop body, so that the rear part of the elastic hoop body is sunk into the first clamping surface, so that the elastic hoop body is opened outward, and a clear gap is generated between the elastic hoop body and the female pipe or the male pipe. With the help of a tool inserted into the gap, the elastic shielding hoop is lifted up and removed, making it easy to remove the elastic shielding hoop. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main pipe structure of the present utility model;

[0018] Figure 3 This is a schematic diagram of the public pipe structure of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the elastic shielding hoop of the utility model.

[0020] In the figure: 2, female tube; 3, male tube; 4, elastic blocking hoop; 21, first tube body; 22, annular groove; 23, first clamping surface; 24, threaded ring; 31, second tube body; 32, clamping groove; 33, second clamping surface; 34, threaded mouth; 41, elastic hoop body; 42, rotation limit block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Reference Figure 1 , nickel alloy stainless steel pipe, including a female pipe 2 and a male pipe 3, the female pipe 2 and the male pipe 3 are threadedly connected, and the outer parts of the female pipe 2 and the male pipe 3 are both clamped with an elastic shielding hoop 4.

[0023] Reference Figure 1 and 2 The mother tube 2 includes a first tube body 21 and a threaded ring 24. An annular groove 22 is formed on the outside of the first tube body 21, and a first clamping surface 23 is symmetrically formed inside the annular groove 22. Clamp the wrench on the first clamping surface 23, then tighten the wrench to fix the mother tube 2, or operate the wrench to rotate the first tube body 21.

[0024] Reference Figure 1 、 2 3. Male pipe 3 includes a second pipe body 31 and a threaded nozzle 34. Threaded nozzle 34 is threadedly mounted within threaded ring 24. A clamping groove 32 is defined on the outside of second pipe body 31, and a second clamping surface 33 is symmetrically defined within the clamping groove 32. A wrench is clamped on second clamping surface 33, and the wrench is gripped to secure second pipe body 31, or the wrench is used to rotate second pipe body 31.

[0025] Reference Figure 1 、 2 , 3 and 4, the elastic shielding hoop 4 includes an elastic hoop body 41 and a rotation-limiting block 42. The rotation-limiting block 42 is respectively engaged with the first clamping surface 23 and the second clamping surface 33. The elastic hoop body 41 is respectively engaged with the annular groove 22 and the engaging groove 32. The rotation-limiting block 42 is fixedly connected to the inner end surface of the elastic hoop body 41. The rotation-limiting block 42 is engaged with the first clamping surface 23 or the second clamping surface 33 so that the middle part of the elastic hoop body 41 is just outside the first clamping surface 23 or the second clamping surface 33 on the other side. The middle part of the elastic hoop body 41 is pressed so that the rear part of the elastic hoop body 41 is sunk into the first clamping surface 23, thereby causing the elastic hoop body 41 to open outward, creating a clear gap between the elastic hoop body 41 and the female pipe 2 or the male pipe 3. A tool is inserted into the gap to lift and remove the elastic shielding hoop 4.

[0026] Working principle: When connecting the female tube 2 and the male tube 3, first screw the male tube 3 into the female tube 2 with the help of a wrench, then pull the elastic shielding hoop 4 outward by hand, and put the elastic shielding hoop 4 on the female tube 2 and the male tube 3. Use the elastic shielding hoop 4 to cover the depressions of the female tube 2 and the male tube 3 to ensure the flatness of the surface after the female tube 2 and the male tube 3 are connected.

[0027] The above is only a preferred specific implementation method of the utility model, but the scope of protection of the utility model is not limited to this. Any technician familiar with this technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model based on the technical solution and utility model concept of the utility model, which should be covered by the scope of protection of the utility model.

[0028] The description briefly mentions the application direction of the utility model for the existing technology that is known to and has not been changed by those skilled in the art, and combines it with the utility model to form a complete technology; it avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.

Claims

1. Nickel alloy stainless steel pipe, characterized by: The invention comprises a female tube (2) and a male tube (3), wherein the female tube (2) is threadedly connected to the male tube (3), and the outer portions of the female tube (2) and the male tube (3) are both clamped with elastic shielding hoops (4). The female tube (2) comprises a first tube body (21) and a threaded ring (24), and an annular groove (22) is provided on the outer portion of the first tube body (21), and a first clamping surface (23) is symmetrically provided inside the annular groove (22).

2. The nickel alloy stainless steel tube according to claim 1, characterized in that: The male pipe (3) comprises a second pipe body (31) and a threaded nozzle (34); a clamping groove (32) is provided on the outside of the second pipe body (31); and a second clamping surface (33) is symmetrically provided inside the clamping groove (32).

3. The nickel alloy stainless steel tube according to claim 1, characterized in that: The elastic shielding hoop (4) comprises an elastic hoop body (41) and a rotation-limiting block (42), wherein the rotation-limiting block (42) is fixedly connected to the inner end surface of the elastic hoop body (41).

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