Anti-fatigue stainless steel short pipe

By installing reinforcement components outside the stainless steel short pipe, including the outer sheath and the spiral connection of the positioning nut, the problem of easy fatigue during use of the stainless steel short pipe is solved, the fatigue resistance and structural strength are improved, the service life is extended, and the operation is stable.

CN222911003UActive Publication Date: 2025-05-27FUJIAN HONGSHENG ZHONGHUAN FORGING CO LTD
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Patent Information

Application Number
CN202422108877.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-05-27
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

During use, existing stainless steel short pipes are susceptible to internal fluid impact and mistouching of external objects, resulting in fatigue and shortening their service life.

Method used

Reinforcement components are installed outside the stainless steel short tube body, including symmetrically mounted outer sheath and spiral-connected positioning nuts, through which the stainless steel short tubes are externally reinforced, improving structural strength, and improving operational stability through the traction frame and anti-slip texture.

Benefits of technology

Through the installation of reinforcement components, the fatigue resistance and structural strength of stainless steel short pipes are significantly improved, their service life is extended, and they are easy to operate, have good stability, and are not easy to slip and fall.

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Abstract

The utility model discloses an anti-fatigue stainless steel short pipe, which belongs to the technical field of stainless steel short pipes and comprises a stainless steel short pipe body, and a reinforcing component is mounted outside the stainless steel short pipe body. The reinforcing assembly comprises outer sheaths symmetrically installed on the outer surface of the stainless steel short pipe body, external threads formed in the positions, close to the end faces, of the outer walls of the outer sheaths, and positioning nuts arranged outside the two sets of outer sheaths in a sleeving mode and spirally connected. When the reinforcing assembly is installed, an installer holds the two outer sheaths, the two outer sheaths are attached to the two sides of the stainless steel short pipe body, the opening ends of the two outer sheaths are attached, the stainless steel short pipe body is sleeved with a positioning nut, and the positioning nut is screwed to be in spiral insertion connection with external threads of the two outer sheaths correspondingly; the outer portion of the stainless steel short pipe body is reinforced through the reinforcing assembly, the structural strength is improved, and therefore the anti-fatigue stainless steel short pipe has good anti-fatigue performance.
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Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel short pipes, and more specifically, to an anti-fatigue stainless steel short pipe. Background Art

[0002] A stainless steel short pipe is a pipe body made of stainless steel material. As a metal part, it is widely used.

[0003] After retrieval, there is a stainless steel composite pipeline connected by a composite short pipe with the publication number of CN208041343U. It solves the technical problems of misalignment of the connection of the existing stainless steel composite steel pipe conveying pipeline, reduced anti-corrosion performance, and short service life. It is provided with a steel pipe, and composite short pipes are arranged at both ends of the steel pipe. The utility model can be widely used for the conveying of fluids.

[0004] For common stainless steel short pipes, when in use, they are easily affected by the impact and pressure of the internal fluid, and there is also a phenomenon of being accidentally touched by external objects, which will cause fatigue of the stainless steel short pipe and shorten its service life. Therefore, we propose an anti-fatigue stainless steel short pipe to solve the above existing problems. Content of the Utility Model

[0005] 1. Technical Problems to be Solved

[0006] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide an anti-fatigue stainless steel short pipe. A reinforcement component is installed outside the stainless steel short pipe body. When installing the reinforcement component, the installer holds two outer sheaths and respectively fits them on both sides of the stainless steel short pipe body. The open ends of the two outer sheaths are fitted together. A positioning nut is sleeved relative to the stainless steel short pipe body, and the positioning nut is screwed and spirally inserted corresponding to the external threads of the two outer sheaths until the positioning nut fits on the surface of the limiting plate, completing the fixed installation of the reinforcement component. Through the external reinforcement treatment of the stainless steel short pipe body by the reinforcement component, the structural strength is improved, and thus it has good anti-fatigue performance; a traction frame is welded at the assembly plane position of the outer wall of the outer sheath. A traction hole is provided on the surface of the traction frame, and anti-slip lines are provided on the surface of the traction frame. When holding the outer sheath, the installer drives the outer sheath through the traction frame, which is convenient to operate, has good stability, and is not easy to slip and fall.

[0007] 2. Technical Solutions

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] An anti-fatigue stainless steel short pipe, including a stainless steel short pipe body, and a reinforcement component is installed outside the stainless steel short pipe body;

[0010] The reinforcement component includes an outer sheath symmetrically installed on the outer surface of the stainless steel short tube body, an external thread opened at a position near the end face on the outer wall of the outer sheath, and a positioning nut sleeved outside two groups of the outer sheaths and connected in a spiral manner.

[0011] Preferably, limiting plates are symmetrically installed on the outer wall of the outer sheath, and the limiting plates are located at the end positions of the external thread.

[0012] Preferably, the positioning nut is in spiral plug-in correspondence with the external thread on the outer wall of the outer sheath, and the positioning nut extends to one side of the limiting plate.

[0013] Preferably, an assembly plane is opened at the middle position of the outer wall of the outer sheath, and a traction frame is welded at the assembly plane position of the outer wall of the outer sheath.

[0014] Preferably, a traction hole is opened on the surface of the traction frame, and anti-slip lines are arranged on the surface of the traction frame.

[0015] Preferably, an assembly groove is opened at a position near the end face on the inner wall of the outer sheath, and the cross section of the outer sheath is in a semi-circular structure.

[0016] Preferably, an anti-slip pad is bonded at the assembly groove position of the outer sheath, and the anti-slip pad extends to the end face position of the outer sheath.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the advantages of the present utility model are as follows:

[0019] (1) In this solution, a reinforcement component is installed outside the stainless steel short tube body. When installing the reinforcement component, the installer holds two outer sheaths and respectively fits them on both sides of the stainless steel short tube body. The open end positions of the two outer sheaths are fitted together. The positioning nut is sleeved relative to the stainless steel short tube body, and the positioning nut is screwed to be in spiral plug-in correspondence with the external threads of the two outer sheaths until the positioning nut fits on the surface of the limiting plate, completing the fixed installation of the reinforcement component. Through the reinforcement treatment of the outside of the stainless steel short tube body by the reinforcement component, the structural strength is improved, so that it has good fatigue resistance; a traction frame is welded at the assembly plane position of the outer wall of the outer sheath. A traction hole is opened on the surface of the traction frame, and anti-slip lines are arranged on the surface of the traction frame. When holding the outer sheath, the installer drives the outer sheath through the traction frame, which is convenient to operate and has good stability, and is not easy to slip sideways and fall.

[0020] (2) In this solution, an assembly groove is opened at a position near the end face on the inner wall of the outer sheath, and an anti-slip pad is bonded at the assembly groove position of the outer sheath. When placing the outer sheath relative to the stainless steel short tube body, the anti-slip pad on the inner surface of the outer sheath fits on the outer wall of the stainless steel short tube body, effectively improving the friction force between the outer sheath and the stainless steel short tube body, having good stability and not being easy to slip sideways. Brief Description of the Drawings

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram of the positioning nut and the outer sheath of the present utility model;

[0023] Figure 3 is a structural schematic diagram of the stainless steel short tube body and the outer sheath of the present utility model;

[0024] Figure 4 is a structural schematic diagram of the outer sheath and the anti-slip pad of the present utility model.

[0025] Description of the reference numerals in the drawings:

[0026] 1. Stainless steel short tube body; 2. Positioning nut; 3. Outer sheath; 4. External thread; 5. Traction frame; 6. Traction hole; 7. Limiting plate; 8. Assembly groove; 9. Anti-slip pad. Detailed Description of the Preferred Embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-4 , the anti-fatigue stainless steel short tube, including the stainless steel short tube body 1, and a reinforcement component is installed outside the stainless steel short tube body 1;

[0030] The reinforcement component includes the outer sheath 3 symmetrically installed on the outer surface of the stainless steel short tube body 1, the external thread 4 opened at a position near the end face on the outer wall of the outer sheath 3, and the positioning nut 2 sleeved outside the two groups of outer sheaths 3 and spirally connected.

[0031] Limiting plates 7 are symmetrically installed on the outer wall of the outer sheath 3, the limiting plates 7 are located at the end of the external thread 4, the positioning nut 2 is spirally inserted and corresponding to the external thread 4 on the outer wall of the outer sheath 3, the positioning nut 2 extends to one side of the limiting plate 7, an assembly plane is opened at the middle position of the outer wall of the outer sheath 3, a traction frame 5 is welded at the assembly plane position on the outer wall of the outer sheath 3, a traction hole 6 is opened on the surface of the traction frame 5, and anti-slip lines are provided on the surface of the traction frame 5.

[0032] It should be noted that a reinforcement component is installed outside the stainless steel short pipe body 1. When installing the reinforcement component, the installer holds two outer sheaths 3 and fits them on both sides of the stainless steel short pipe body 1 respectively. The open ends of the two outer sheaths 3 are fitted together, and a positioning nut 2 is sleeved on the stainless steel short pipe body 1. The positioning nut 2 is screwed to be in spiral insertion correspondence with the external threads 4 of the two outer sheaths 3 until the positioning nut 2 fits on the surface of the limiting plate 7, completing the fixed installation of the reinforcement component. The external reinforcement treatment of the stainless steel short pipe body 1 by the reinforcement component improves the structural strength, thus having good anti-fatigue performance; a traction frame 5 is welded at the assembly plane position of the outer wall of the outer sheath 3. A traction hole 6 is provided on the surface of the traction frame 5, and anti-slip lines are provided on the surface of the traction frame 5. When holding the outer sheath 3, the installer drives the outer sheath 3 through the traction frame 5, which is convenient to operate and has good stability, and is not easy to slip and fall sideways.

[0033] Refer to Figures 1-4 , an assembly groove 8 is provided at a position near the end face on the inner wall of the outer sheath 3. The cross-section of the outer sheath 3 is in a semi-circular structure, and an anti-slip pad 9 is bonded at the position of the assembly groove 8 of the outer sheath 3, and the anti-slip pad 9 extends to the end face position of the outer sheath 3.

[0034] It should be noted that an assembly groove 8 is provided at a position near the end face on the inner wall of the outer sheath 3, and an anti-slip pad 9 is bonded at the position of the assembly groove 8 of the outer sheath 3. When placing the outer sheath 3 relative to the stainless steel short pipe body 1, the anti-slip pad 9 on the inner surface of the outer sheath 3 fits on the outer wall of the stainless steel short pipe body 1, effectively improving the friction between the outer sheath 3 and the stainless steel short pipe body 1, having good stability and not being prone to side-slip.

[0035] In use: A reinforcement component is installed on the outside of the stainless steel short pipe body 1. When installing the reinforcement component, the installer holds two outer sheaths 3 and respectively fits them on both sides of the stainless steel short pipe body 1. The open ends of the two outer sheaths 3 are fitted together. A positioning nut 2 is sleeved on the stainless steel short pipe body 1, and the positioning nut 2 is screwed to be helically inserted and corresponding to the external threads 4 of the two outer sheaths 3 until the positioning nut 2 fits on the surface of the limiting plate 7, completing the fixed installation of the reinforcement component. The outside of the stainless steel short pipe body 1 is reinforced by the reinforcement component, improving the structural strength and thus having good anti-fatigue performance; A traction frame 5 is welded at the assembly plane position on the outer wall of the outer sheath 3. A traction hole 6 is provided on the surface of the traction frame 5, and anti-slip lines are provided on the surface of the traction frame 5. When holding the outer sheath 3, the installer drives the outer sheath 3 through the traction frame 5, which is convenient to operate and has good stability, and is not easy to slip sideways and fall off; An assembly groove 8 is provided at the position near the end face on the inner wall of the outer sheath 3, and an anti-slip pad 9 is bonded at the position of the assembly groove 8 of the outer sheath 3. When placing the outer sheath 3 relative to the stainless steel short pipe body 1, the anti-slip pad 9 on the inner surface of the outer sheath 3 fits on the outer wall of the stainless steel short pipe body 1, effectively increasing the friction force between the outer sheath 3 and the stainless steel short pipe body 1, having good stability and not being easy to slip sideways.

[0036] The above is only the preferred specific implementation manner of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. An anti-fatigue stainless steel short tube, comprising a stainless steel short tube body (1), characterized in that: A reinforcement component is installed on the outside of the stainless steel short tube body (1); The reinforcement component comprises an outer sheath (3) symmetrically mounted on the outer surface of the stainless steel short tube body (1), an external thread (4) provided on the outer wall of the outer sheath (3) near the end surface, and a positioning nut (2) sleeved on the outside of two groups of the outer sheaths (3) and spirally connected.

2. The anti-fatigue stainless steel short tube according to claim 1, characterized in that: A limit plate (7) is symmetrically mounted on the outer wall of the outer sheath (3), and the limit plate (7) is located at the end position of the external thread (4).

3. The fatigue-resistant stainless steel short tube according to claim 1, characterized in that: The positioning nut (2) is screw-engaged with the external thread (4) on the outer wall of the outer sleeve (3) in a corresponding manner, and the positioning nut (2) extends to one side of the limiting plate (7).

4. The fatigue-resistant stainless steel short tube according to claim 1, characterized in that: An assembly plane is provided in the middle of the outer wall of the outer jacket (3), and a traction frame (5) is welded to the assembly plane of the outer wall of the outer jacket (3).

5. The fatigue-resistant stainless steel short tube according to claim 4, characterized in that: A traction hole (6) is provided on the surface of the traction frame (5), and anti-slip grooves are provided on the surface of the traction frame (5).

6. The fatigue-resistant stainless steel short tube according to claim 1, characterized in that: An assembly groove (8) is provided on the inner wall of the outer sheath (3) near the end surface, and the cross section of the outer sheath (3) is a semicircular structure.

7. The fatigue-resistant stainless steel short tube according to claim 6, characterized in that: An anti-skid pad (9) is bonded to the assembly groove (8) of the outer sheath (3), and the anti-skid pad (9) extends to the end surface of the outer sheath (3).

Citation Information

Patent Citations

  • Stainless steel composite pipe of connection is of compound nozzle stub

    CN208041343U