A pressure-resistant stainless steel pipe connecting structure

Abstract

This utility model relates to the field of stainless steel pipe connection technology, specifically disclosing a pressure-resistant stainless steel pipe connection structure, including a connecting cylinder and a stainless steel pipe. The connecting cylinder is equipped with a connecting plate. The connecting cylinder includes a first connecting cylinder and a second connecting cylinder. The stainless steel pipe includes a first stainless steel pipe and a second stainless steel pipe. The connecting plate includes a first connecting plate and a second connecting plate. External threads are provided on the surfaces of the first and second stainless steel pipes near each other. Internal threads are provided inside the first and second connecting cylinders. The first connecting cylinder is threaded to one end of the first stainless steel pipe, and the second connecting cylinder is threaded to one end of the second stainless steel pipe. A protective mechanism and a sealing mechanism are provided at the near ends of the first and second connecting cylinders. This utility model, through a series of structures, with a baffle supporting the pressure-resistant screw, and the protective mechanism and pressure-resistant screw achieving a double-sealed protective connection for the stainless steel pipe under pressure, facilitates easy connection and assembly.

Description

Technical Field

[0001] This utility model relates to the field of stainless steel pipe connection technology, specifically to a pressure-resistant stainless steel pipe connection structure. Background Technology

[0002] Stainless steel pipe is a hollow, long, round steel material, widely used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery, as well as in mechanical structural components. Furthermore, it is lighter in weight while maintaining the same bending and torsional strength, making it widely used in the manufacture of mechanical parts and engineering structures. The assembly of stainless steel pipes involves using various processes to firmly bond fittings to the pipe material.

[0003] Currently, due to the gaps in the connection between the two sections of stainless steel pipes, the structural strength and compressive strength of the connection are poor. When the connection is subjected to high external pressure, it is easy to cause cracks or even breakage. As a result, the reliability and sealing of the stainless steel pipe connection are poor. Utility Model Content

[0004] The purpose of this invention is to provide a pressure-resistant stainless steel pipe connection structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure-resistant stainless steel pipe connection structure, comprising a connecting cylinder and a stainless steel pipe, wherein the connecting cylinder is provided with a connecting plate, the connecting cylinder includes a first connecting cylinder and a second connecting cylinder, the stainless steel pipe includes a first stainless steel pipe and a second stainless steel pipe, the connecting plate includes a first connecting plate and a second connecting plate, the surfaces of the first stainless steel pipe and the second stainless steel pipe near each other are provided with external threads, the interior of the first connecting cylinder and the second connecting cylinder are provided with internal threads, the first connecting cylinder is threaded to one end of the first stainless steel pipe, the second connecting cylinder is threaded to one end of the second stainless steel pipe, the ends of the first connecting cylinder and the second connecting cylinder near each other are provided with a protective mechanism and a sealing mechanism, the first connecting cylinder is provided with a first connecting plate, the second connecting cylinder is provided with a second connecting plate, and the first connecting plate and the second connecting plate are connected by a pressure-resistant screw and a nut.

[0006] Preferably, both the first and second connecting cylinders have a baffle integrally provided on the outer side of their adjacent ends. One side of the baffle is flush with the end face of the connecting cylinder, and the other side of the baffle is inclined. The inclined side of the baffle is inclined downward at the end near the connecting plate.

[0007] Preferably, the protective mechanism includes a protective clamp, a protective groove, and a locking plate. The protective clamp has a protective groove on its inner side, and locking plates are integrally provided at both ends of the protective clamp. The protective clamp is locked and wrapped around the first connecting cylinder and the second connecting cylinder by locking bolts and nuts on the locking plates. The baffles on the first connecting cylinder and the second connecting cylinder are located inside the protective groove.

[0008] Preferably, the sealing mechanism includes a sealing ring and a sealing groove. The sealing ring is provided on the side of the first connecting cylinder near the second connecting cylinder, and the sealing groove is provided on the side of the second connecting cylinder near the first connecting cylinder. The sealing ring is located inside the sealing groove.

[0009] Preferably, the two opposite sides inside the protective slot are arranged with the same inclined surface structure as the baffle, and the inside of the protective slot is provided with a sealing gasket.

[0010] Preferably, the first connecting plate and the second connecting plate are provided with a number of plates at equal intervals.

[0011] Preferably, the anti-compression screw between the first connecting plate and the second connecting plate is located at the top of the protective clamp.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This pressure-resistant stainless steel pipe connection structure, through the combination of No. 1 and No. 2 connecting cylinders, No. 1 connecting plate, No. 2 connecting plate and pressure-resistant screw, achieves pressure-resistant connection between No. 1 and No. 2 stainless steel pipes. The stainless steel pipe connection is easy to assemble, the connection structure has high strength, and the sealing ring and sealing groove cooperate to increase the sealing performance of the connection.

[0014] 2. This pressure-resistant stainless steel pipe connection structure, through the baffles set on the first and second connecting cylinders, in conjunction with the protective clamps and locking plates, strengthens the connection locking and anti-seepage protection between the first and second connecting cylinders. The baffles support the pressure-resistant screws, making the stainless steel pipe connection more pressure-resistant. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the No. 2 connecting cylinder in this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the No. 1 connecting cylinder in this utility model;

[0018] Figure 4 This is a schematic diagram of the protective clamp in this utility model.

[0019] In the diagram: 1. Connecting cylinder No. 1; 2. Connecting cylinder No. 2; 3. Stainless steel pipe No. 1; 31. Stainless steel pipe No. 2; 4. External thread; 5. Internal thread; 6. Stop; 7. Protective mechanism; 71. Protective clamp; 72. Protective groove; 73. Locking plate; 74. Sealing gasket; 8. Connecting plate No. 1; 81. Connecting plate No. 2; 9. Pressure-resistant screw; 10. Sealing ring; 11. Sealing groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] like Figures 1 to 4As shown, the pressure-resistant stainless steel pipe connection structure of this embodiment includes a connecting cylinder and a stainless steel pipe. The connecting cylinder is equipped with a connecting plate. The connecting cylinder includes a first connecting cylinder 1 and a second connecting cylinder 2. The stainless steel pipe includes a first stainless steel pipe 3 and a second stainless steel pipe 31. The apertures of the first connecting cylinder 1 and the second connecting cylinder 2 correspond to the apertures of the first stainless steel pipe 3 and the second stainless steel pipe 31. Connecting cylinders are manufactured to fit the diameter of different types of stainless steel pipes. The connecting plate includes a first connecting plate 8 and a second connecting plate 81. External threads 4 are provided on the surfaces of the first stainless steel pipe 3 and the second stainless steel pipe 31 near one end. Internal threads 5 are provided inside the first connecting cylinder 1 and the second connecting cylinder 2. One end of the first connecting cylinder 1 is threaded to one end of the first stainless steel pipe 3, and the other end of the second connecting cylinder 2 is threaded to one end of the second stainless steel pipe 31. The ends of the first connecting cylinder 1 and the second connecting cylinder 2 that are close to each other are provided with a protective mechanism 7 and a sealing mechanism. The first connecting cylinder 1 is provided with a first connecting plate 8, and the second connecting cylinder 2 is provided with a second connecting plate 81. The first connecting plate 8 and the second connecting plate 81 are connected by a pressure-resistant screw 9 and a nut. The protective mechanism 7 and the pressure-resistant screw 9 realize the double connection assembly of the first connecting cylinder 1 and the second connecting cylinder 2. The baffle 6 supports the pressure-resistant screw 9, realizing the double pressure-resistant sealing protection connection of the first stainless steel pipe 3 and the second stainless steel pipe 31. The stainless steel pipe connection assembly is convenient and the connection structure has high strength.

[0023] Specifically, a baffle 6 is integrally provided on the outer side of the first connecting cylinder 1 and the second connecting cylinder 2 at one end. One side of the baffle 6 is set in the same plane as the end face of the connecting cylinder, and the other side of the baffle 6 is set in an inclined plane. The inclined plane of the baffle 6 is inclined downward at the end near the connecting plate. The baffle 6 is integrally formed with the first connecting cylinder 1 and the second connecting cylinder 2. The baffle 6 increases the contact area and structural strength at the assembly point of the first connecting cylinder 1 and the second connecting cylinder 2.

[0024] Furthermore, the protective mechanism 7 includes a protective clamp 71, a protective groove 72, and a locking plate 73. The protective clamp 71 has a protective groove 72 on its inner side, and locking plates 73 are integrally provided at both ends of the protective clamp 71. The protective clamp 71 is locked and wrapped around the first connecting cylinder 1 and the second connecting cylinder 2 by the locking bolts and nuts on the locking plates 73. The baffles 6 on the first connecting cylinder 1 and the second connecting cylinder 2 are located inside the protective groove 72, wrapping the protective clamp 71 around the assembly of the first connecting cylinder 1 and the second connecting cylinder 2. The baffles 6 at the assembly of the first connecting cylinder 1 and the second connecting cylinder 2 are inserted into the protective groove 72 of the protective clamp 71. The locking bolts and nuts are used to lock and connect the two locking plates 73 on the protective clamp 71. The protective clamp 71 is locked and installed at the assembly of the first connecting cylinder 1 and the second connecting cylinder 2.

[0025] Furthermore, the sealing mechanism includes a sealing ring 10 and a sealing groove 11. The sealing ring 10 is provided on the side of the first connecting cylinder 1 near the second connecting cylinder 2, and the sealing groove 11 is provided on the side of the second connecting cylinder 2 near the first connecting cylinder 1. The sealing ring 10 is located inside the sealing groove 11, and the sealing ring 11 is used for the connection and sealing between the first connecting cylinder 1 and the second connecting cylinder 2.

[0026] Furthermore, the two opposite sides inside the protective slot 72 are both set with the same inclined surface structure as the baffle 6, and the inside of the protective slot 72 is provided with a sealing gasket 74. The structure between the protective slot 72 and the baffle 6 is compact and sealed.

[0027] Furthermore, several connecting plates 8 and 81 are evenly spaced and provided with a number of anti-compression screws 9 at equal intervals on the outer circumference of connecting cylinders 1 and 2, so that the anti-compression is uniform.

[0028] Furthermore, the anti-compression screw 9 between the first connecting plate 8 and the second connecting plate 81 is located on the top of the protective clamp 71. The protective clamp 71, installed on the baffle 6, together with the baffle 6, supports the anti-compression screw 9, that is, the anti-compression screw 9 is added in the middle part between the first connecting plate 8 and the second connecting plate 81.

[0029] The method of use in this embodiment is as follows: Connector 1 is threaded onto stainless steel pipe 3 using the internal thread 5 and external thread 4, and connector 2 is threaded onto stainless steel pipe 31. By tightening the threads of connector 1 on stainless steel pipe 3 and connector 2 on stainless steel pipe 31, the ends of connector 1 and connector 2 that are close together are combined. The sealing ring 10 on connector 1 is engaged in the sealing groove 11 of connector 2 to seal the assembly. The protective clamp 71 is wrapped around the assembly of connector 1 and connector 2. The retaining plate 6 at the assembly of connector 1 and connector 2 is engaged in the protective groove 72 of the protective clamp 71. The locking bolts and nuts are then tightened. The two locking plates 73 on the protective clamp 71 are locked together. The protective clamp 71 is locked and installed at the assembly point of the first connecting cylinder 1 and the second connecting cylinder 2. The sealing gasket 74 in the protective groove 72 locks and seals the connection point of the first connecting cylinder 1 and the second connecting cylinder 2. The pressure-resistant screw 9 is installed on the first connecting plate 8 and the second connecting plate 81. The nut is tightened at the end of the pressure-resistant screw 9 to fix it. The protective mechanism 7 and the pressure-resistant screw 9 realize the double connection assembly of the first connecting cylinder 1 and the second connecting cylinder 2. The pressure-resistant screw 9 is supported on the protective clamp 71 at the baffle 6. The baffle 6 supports the pressure-resistant screw 9, realizing the double pressure-resistant sealing protection connection of the first stainless steel pipe 3 and the second stainless steel pipe 31. The stainless steel pipe connection assembly is convenient and the connection structure has high strength.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pressure-resistant stainless steel pipe connecting structure comprising a connecting cylinder and a stainless steel pipe, characterized by: The connecting cylinder is provided with a connecting plate. The connecting cylinder includes a first connecting cylinder (1) and a second connecting cylinder (2). The stainless steel pipe includes a first stainless steel pipe (3) and a second stainless steel pipe (31). The connecting plate includes a first connecting plate (8) and a second connecting plate (81). The surfaces of the first stainless steel pipe (3) and the second stainless steel pipe (31) near one end are provided with external threads (4). The interiors of the first connecting cylinder (1) and the second connecting cylinder (2) are provided with internal threads (5). The first connecting cylinder (1) 1) The first stainless steel pipe (3) is threaded to one end, and the second connecting cylinder (2) is threaded to one end of the second stainless steel pipe (31). The first connecting cylinder (1) and the second connecting cylinder (2) are provided with a protective mechanism (7) and a sealing mechanism at their close ends. The first connecting cylinder (1) is provided with a first connecting plate (8), and the second connecting cylinder (2) is provided with a second connecting plate (81). The first connecting plate (8) and the second connecting plate (81) are connected by a pressure-resistant screw (9) and a nut.

2. The crush resistant stainless steel pipe connection of claim 1, wherein: Both the first connecting cylinder (1) and the second connecting cylinder (2) have a baffle (6) integrally provided on the outer side of their respective ends. One side of the baffle (6) is set in the same plane as the end face of the connecting cylinder, and the other side of the baffle (6) is set in an inclined plane. The end of the inclined plane of the baffle (6) near the connecting plate is set in an inclined downward direction.

3. The crush resistant stainless steel pipe connection of claim 2, wherein: The protective mechanism (7) includes a protective clamp (71), a protective groove (72), and a locking plate (73). The protective clamp (71) has a protective groove (72) on its inner side and a locking plate (73) integrally provided at both ends of the protective clamp (71). The protective clamp (71) is locked and wrapped around the first connecting cylinder (1) and the second connecting cylinder (2) by the locking bolts and nuts on the locking plate (73). The baffles (6) on the first connecting cylinder (1) and the second connecting cylinder (2) are located inside the protective groove (72).

4. The crush resistant stainless steel pipe connection of claim 1, wherein: The sealing mechanism includes a sealing ring (10) and a sealing groove (11). The first connecting cylinder (1) is provided with a sealing ring (10) on the side near the second connecting cylinder (2), and the second connecting cylinder (2) is provided with a sealing groove (11) on the side near the first connecting cylinder (1). The sealing ring (10) is located inside the sealing groove (11).

5. The crush resistant stainless steel pipe connection of claim 3, wherein: The protective slot (72) has two opposite sides with the same inclined surface structure as the baffle (6), and the protective slot (72) is provided with a sealing gasket (74).

6. The crush resistant stainless steel pipe connection of claim 1, wherein: The first connecting plate (8) and the second connecting plate (81) are each provided with several of them at equal intervals.

7. The crush resistant stainless steel pipe connection of claim 3, wherein: The anti-pressure screw (9) between the first connecting plate (8) and the second connecting plate (81) is located on the top of the protective clamp (71).

Images