Novel stainless steel pipe joint sealing structure

Abstract

The utility model discloses a novel stainless steel pipe joint sealing structure, which relates to the field of stainless steel pipes and comprises a first pipe body, a second pipe body, a first inner ring plate and a second inner ring plate. The opposite faces of the two fixing rings are fixedly connected with four connecting sliding rods, the inner side faces of the first inner ring plate and the second inner ring plate are fixedly connected with four first connecting plates and four second connecting plates correspondingly, the inner ends of the four first connecting plates are fixedly connected with inner threaded pipes, and the inner ends of the four second connecting plates are fixedly connected with outer threaded pipes. The stainless steel pipe has the advantages that liquid in the pipe can be prevented from permeating into the end connecting position to cause end corrosion while the end of the stainless steel pipe is connected, the efficient internal sealing function is achieved, the sealing connecting position of the stainless steel pipe can be prevented from being bent and separated under the action of external force, and the tightness of the sealing connecting position is ensured.

Description

Technical Field

[0001] The utility model relates to the field of stainless steel pipes, in particular to a novel stainless steel pipe joint sealing structure. Background Art

[0002] Stainless steel pipe fittings are the connection tools between pipes and are the connection points between components and pipes that can be disassembled and assembled. They play an indispensable role in pipe fittings and are one of the two main components of hydraulic pipes. Pipe fittings are connected in the form of socket welding or threaded connection, which are used in parts that need to be frequently assembled and disassembled, or as the final adjustment of pipe fittings and pipelines. Stainless steel pipe fittings are usually used in pipeline systems for conveying water, oil, and air.

[0003] After searching, the patent number is CN206487954U, which discloses a new connection structure of a thin-walled stainless steel pipe and a pipe joint. The structure is very simple, and the connection between the thin-walled stainless steel pipe and the pipe joint is not only well sealed, but also very tight, thereby achieving a very good connection effect. However, when the existing stainless steel pipe joint sealing structure is used, it can usually only be sealed on the outside of the stainless steel pipe, so that the liquid inside it will penetrate into the end connection gap, which can easily cause the end joint of the stainless steel pipe to rust, and the sealing effect is poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a novel sealing structure for a stainless steel pipe joint. When the existing sealing structure for a stainless steel pipe joint is used, it can usually only perform sealing processing on the outside of the stainless steel pipe, so that the liquid inside it will penetrate into the end connection gap, which can easily cause rust on the end joint of the stainless steel pipe and the sealing effect is poor.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a new type of stainless steel pipe joint sealing structure, including a first tube body and a second tube body, and also including a first inner ring plate and a second inner ring plate. The inner side surfaces of the first tube body and the second tube body are fixedly connected with fixing rings near the opposite ends, and the opposite surfaces of the two groups of the fixing rings are fixedly connected with four groups of connecting slide rods. The inner side surfaces of the first inner ring plate and the second inner ring plate are respectively fixedly connected with four groups of first connecting plates and four groups of second connecting plates, the inner ends of the four groups of the first connecting plates are fixedly connected with internal threaded pipes, and the inner ends of the four groups of the second connecting plates are fixedly connected with external threaded pipes.

[0006] As a further solution of the utility model: four groups of connecting grooves are evenly spaced on the outer side surfaces of the first inner ring plate and the second inner ring plate, and the eight groups of connecting slide rods are evenly spaced and distributed on the two groups of fixing rings, and the connecting slide rods are located on the inner sides of the connecting grooves.

[0007] As a further solution of the utility model: the first inner ring plate and the second inner ring plate have the same size and specifications, and the first inner ring plate and the second inner ring plate are respectively located inside the first tube body and the second tube body.

[0008] As a further solution of the utility model: the internal threaded tube is threadedly connected to the external threaded tube, the inner sides of the first inner ring plate and the second inner ring plate are respectively fixedly connected with four groups of first magnet rods and four groups of second magnet rods, and the first magnet rods are attracted to the second magnet rods.

[0009] As a further solution of the utility model: the first tube body and the second tube body are fixedly connected to the opposite sides with the first threaded ring plate and the second threaded ring plate respectively, the second tube body and the first tube body are provided with the first thread groove and the second thread groove respectively at the opposite ends, and the outer diameter of the first threaded ring plate is smaller than the inner diameter of the second threaded ring plate.

[0010] As a further solution of the utility model: the first threaded ring plate is threadedly matched with the first thread groove, and the second threaded ring plate is threadedly matched with the second thread groove.

[0011] As a further solution of the utility model: the outer side surfaces of the first tube body and the second tube body are respectively fixedly sleeved with a first outer ring plate and a second outer ring plate near the opposite ends, four groups of reinforcement tubes are fixedly connected at equal intervals on the side of the first outer ring plate close to the second tube body, and four groups of fixing tubes are fixedly connected at equal intervals on the side of the second outer ring plate away from the first tube body, and the inner sides of the four groups of fixing tubes are each provided with a reinforcement rod passing through the second outer ring plate.

[0012] As a further solution of the utility model: a connecting ring plate is fixedly connected between the four groups of reinforcement rods, and the connecting ring plate is located between the first outer ring plate and the second outer ring plate, a sliding plate is arranged inside the four groups of fixed cylinders, and the inner side surfaces of the four groups of sliding plates are fixedly connected with compression springs.

[0013] As a further solution of the utility model: the four groups of sliding plates are respectively fixedly connected to the four groups of reinforcement rods, and the four groups of reinforcement rods are respectively slidably connected to the four groups of reinforcement tubes.

[0014] The utility model adopts the above technical scheme, and has the following advantages compared with the prior art: the first inner ring plate and the second inner ring plate are respectively installed inside the first tube body and the second tube body through four groups of connecting slide rods and four groups of connecting slide grooves in cooperation with the fixing ring, and then the first inner ring plate and the second inner ring plate are tightly connected through the threaded connection of the external threaded tube and the internal threaded tube in cooperation with the four groups of first magnet rods and the four groups of second magnet rods, and at the same time, the first tube body and the second tube body are clamped together through the first threaded ring plate and the first threaded groove in cooperation with the second threaded ring plate and the second threaded groove, which can prevent the liquid in the tube from seeping into the end connection and causing end corrosion while connecting the ends of the stainless steel tubes, thereby realizing a highly efficient internal sealing function.

[0015] When the stainless steel pipe is tightly connected, four groups of compression springs and four groups of sliding plates cooperate with four groups of fixing tubes to make the four groups of reinforcement rods and the connecting ring plate move away from the second outer ring plate together, until the four groups of reinforcement rods are respectively inserted into the inside of the four groups of reinforcement tubes on the first outer ring plate, thereby preventing the sealing connection of the stainless steel pipe from bending and separating under the action of external force, thereby ensuring the tightness of the sealing connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a new type of stainless steel pipe joint sealing structure in an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the first tube body in the embodiment of the utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the second tube body in the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure between the reinforcement rod and the reinforcement tube in the embodiment of the utility model.

[0020] In the figure: 1. first tube body; 2. second tube body; 3. fixing ring; 4. first inner ring plate; 5. second inner ring plate; 6. connecting slide groove; 7. connecting slide rod; 8. first connecting plate; 9. internal threaded tube; 10. second connecting plate; 11. external threaded tube; 12. first magnet rod; 13. second magnet rod; 14. first threaded ring plate; 15. first thread groove; 16. second threaded ring plate; 17. second thread groove; 18. first outer ring plate; 19. second outer ring plate; 20. fixing cylinder; 21. connecting ring plate; 22. reinforcement rod; 23. sliding plate; 24. compression spring; 25. reinforcement cylinder. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] Example 1, please refer to Figure 1-Figure 4 A new type of stainless steel pipe joint sealing structure includes a first tube body 1 and a second tube body 2, and also includes a first inner ring plate 4 and a second inner ring plate 5. The inner sides of the first tube body 1 and the second tube body 2 are fixedly connected with fixing rings 3 near the opposite ends, and the opposite surfaces of the two groups of fixing rings 3 are fixedly connected with four groups of connecting slide rods 7. The inner sides of the first inner ring plate 4 and the second inner ring plate 5 are respectively fixedly connected with four groups of first connecting plates 8 and four groups of second connecting plates 10. The inner ends of the four groups of first connecting plates 8 are fixedly connected with internal threaded pipes 9, and the inner ends of the four groups of second connecting plates 10 are fixedly connected with external threaded pipes 11.

[0023] Four groups of connecting grooves 6 are evenly spaced on the outer side surfaces of the first inner ring plate 4 and the second inner ring plate 5, and eight groups of connecting slide rods 7 are evenly spaced and distributed on the two groups of fixing rings 3, and the connecting slide rods 7 are located on the inner sides of the connecting grooves 6. The first inner ring plate 4 and the second inner ring plate 5 have the same size and specifications, and the first inner ring plate 4 and the second inner ring plate 5 are respectively located inside the first tube body 1 and the second tube body 2.

[0024] In this embodiment, four groups of connecting slide bars 7 and four groups of connecting slide grooves 6 are used to facilitate the installation and use of the first inner ring plate 4 and the second inner ring plate 5 .

[0025] The internal threaded tube 9 is threadedly connected to the external threaded tube 11 , and the inner sides of the first inner ring plate 4 and the second inner ring plate 5 are respectively fixedly connected with four groups of first magnet rods 12 and four groups of second magnet rods 13 , and the first magnet rods 12 and the second magnet rods 13 are attracted to each other.

[0026] In this embodiment, the first inner ring plate 4 and the second inner ring plate 5 are closely fitted together by the attraction of the first magnet rod 12 and the second magnet rod 13 .

[0027] The first and second threaded ring plates 14 and 16 are fixedly connected to the opposite sides of the first tube body 1 and the second tube body 2, respectively. The first and second threaded ring plates 15 and 17 are respectively provided at the opposite ends of the second tube body 2 and the first tube body 1. The outer diameter of the first threaded ring plate 14 is smaller than the inner diameter of the second threaded ring plate 16. The first threaded ring plate 14 is threadedly matched with the first threaded groove 15, and the second threaded ring plate 16 is threadedly matched with the second threaded groove 17.

[0028] In this embodiment, the first threaded ring plate 14 and the first threaded groove 15 cooperate with the second threaded ring plate 16 and the second threaded groove 17 so that the first tube body 1 and the second tube body 2 are fastened together.

[0029] Specifically, four groups of connecting slide rods 7 and four groups of connecting slide grooves 6 are used in conjunction with the fixing ring 3 so that the first inner ring plate 4 and the second inner ring plate 5 are respectively installed inside the first tube body 1 and the second tube body 2, and then the first inner ring plate 4 and the second inner ring plate 5 are tightly connected through the threaded connection of the external threaded tube 11 and the internal threaded tube 9 in conjunction with the four groups of first magnet rods 12 and the four groups of second magnet rods 13. At the same time, the first threaded ring plate 14 and the first threaded groove 15 are used in conjunction with the second threaded ring plate 16 and the second threaded groove 17 so that the first tube body 1 and the second tube body 2 are clamped together, which can prevent the liquid in the tube from seeping into the end connection and causing end corrosion while connecting the ends of the stainless steel tubes, thereby achieving efficient internal sealing function.

[0030] Example 2, please refer to Figure 1-Figure 4 A new type of stainless steel pipe joint sealing structure, the outer side surfaces of the first tube body 1 and the second tube body 2 are respectively fixedly sleeved with a first outer ring plate 18 and a second outer ring plate 19 near the opposite ends, the first outer ring plate 18 is fixedly connected with four groups of reinforcement cylinders 25 at equal intervals on the side close to the second tube body 2, and the second outer ring plate 19 is fixedly connected with four groups of fixed cylinders 20 at equal intervals on the side away from the first tube body 1, and the inner sides of the four groups of fixed cylinders 20 are all provided with reinforcement rods 22 that penetrate the second outer ring plate 19.

[0031] A connecting ring plate 21 is fixedly connected between the four groups of reinforcement rods 22, and the connecting ring plate 21 is located between the first outer ring plate 18 and the second outer ring plate 19. Sliding plates 23 are arranged inside the four groups of fixed cylinders 20, and compression springs 24 are fixedly connected to the inner sides of the four groups of sliding plates 23.

[0032] In this embodiment, four groups of compression springs 24 cooperate with four groups of sliding plates 23 to facilitate the movement of four groups of reinforcement rods 22 .

[0033] The four sets of sliding plates 23 are fixedly connected to the four sets of reinforcing rods 22 respectively, and the four sets of reinforcing rods 22 are slidably connected to the four sets of reinforcing tubes 25 respectively.

[0034] In this embodiment, four groups of reinforcement rods 22 and four groups of reinforcement tubes 25 cooperate to reinforce the joint sealing structure.

[0035] Specifically, when the stainless steel pipe is tightly connected, four groups of compression springs 24 and four groups of sliding plates 23 cooperate with four groups of fixed tubes 20 to enable four groups of reinforcement rods 22 and connecting ring plates 21 to move away from the second outer ring plate 19 together until the four groups of reinforcement rods 22 are respectively inserted into the interior of the four groups of reinforcement tubes 25 on the first outer ring plate 18. This can prevent the sealing connection of the stainless steel pipe from bending and separating under the action of external force, thereby ensuring the tightness of the sealing connection.

[0036] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A novel stainless steel pipe joint sealing structure, comprising a first pipe body (1) and a second pipe body (2), characterized in that: It also comprises a first inner ring plate (4) and a second inner ring plate (5); the inner side surfaces of the first tube body (1) and the second tube body (2) are fixedly connected to fixing rings (3) near the opposite ends; the opposite surfaces of the two groups of fixing rings (3) are fixedly connected to four groups of connecting slide bars (7); the inner side surfaces of the first inner ring plate (4) and the second inner ring plate (5) are respectively fixedly connected to four groups of first connecting plates (8) and four groups of second connecting plates (10); the inner ends of the four groups of the first connecting plates (8) are fixedly connected to internal threaded tubes (9); and the inner ends of the four groups of the second connecting plates (10) are fixedly connected to external threaded tubes (11).

2. A new type of stainless steel pipe joint sealing structure according to claim 1, characterized in that: Four groups of connecting slide grooves (6) are evenly spaced apart on the outer side surfaces of the first inner ring plate (4) and the second inner ring plate (5), and eight groups of connecting slide rods (7) are evenly spaced apart and distributed on the two groups of fixing rings (3), respectively, and the connecting slide rods (7) are located on the inner sides of the connecting slide grooves (6).

3. A new type of stainless steel pipe joint sealing structure according to claim 2, characterized in that: The first inner ring plate (4) and the second inner ring plate (5) have the same specifications and sizes, and the first inner ring plate (4) and the second inner ring plate (5) are located inside the first tube body (1) and the second tube body (2), respectively.

4. A new type of stainless steel pipe joint sealing structure according to claim 3, characterized in that: The internal threaded tube (9) is threadably connected to the external threaded tube (11); four groups of first magnet rods (12) and four groups of second magnet rods (13) are respectively fixedly connected to the inner side surfaces of the first inner ring plate (4) and the second inner ring plate (5); and the first magnet rods (12) and the second magnet rods (13) are attracted to each other.

5. The new stainless steel pipe joint sealing structure according to claim 1 is characterized in that: A first threaded ring plate (14) and a second threaded ring plate (16) are fixedly connected to opposite sides of the first tube body (1) and the second tube body (2), respectively; a first threaded groove (15) and a second threaded groove (17) are respectively formed at opposite ends of the second tube body (2) and the first tube body (1); and an outer diameter of the first threaded ring plate (14) is smaller than an inner diameter of the second threaded ring plate (16).

6. A new type of stainless steel pipe joint sealing structure according to claim 5, characterized in that: The first threaded ring plate (14) is threadably matched with the first threaded groove (15), and the second threaded ring plate (16) is threadably matched with the second threaded groove (17).

7. The new stainless steel pipe joint sealing structure according to claim 1 is characterized in that: A first outer ring plate (18) and a second outer ring plate (19) are respectively fixedly sleeved on the outer side surfaces of the first tube body (1) and the second tube body (2) near the opposite ends; four groups of reinforcing cylinders (25) are fixedly connected at equal intervals on a side of the first outer ring plate (18) close to the second tube body (2); four groups of fixing cylinders (20) are fixedly connected at equal intervals on a side of the second outer ring plate (19) away from the first tube body (1); and reinforcing rods (22) penetrating the second outer ring plate (19) are arranged on the inner sides of the four groups of fixing cylinders (20).

8. The new stainless steel pipe joint sealing structure according to claim 7 is characterized in that: A connecting ring plate (21) is fixedly connected between the four groups of reinforcement rods (22), and the connecting ring plate (21) is located between the first outer ring plate (18) and the second outer ring plate (19). A sliding plate (23) is provided inside the four groups of fixed cylinders (20), and the inner side surfaces of the four groups of sliding plates (23) are fixedly connected to compression springs (24).

9. A new type of stainless steel pipe joint sealing structure according to claim 8, characterized in that: The four groups of sliding plates (23) are respectively fixedly connected to the four groups of reinforcement rods (22), and the four groups of reinforcement rods (22) are respectively slidably connected to the four groups of reinforcement cylinders (25).

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