Thread meshing flange with sealing structure

Abstract

The utility model discloses a thread meshing flange with a sealing structure, which comprises flange bodies, a connecting pipeline in threaded connection with the outer sides of the flange bodies, and a butt-joint mounting mechanism arranged between the flange bodies on the left side and the right side. The butt joint installation mechanism is arranged on the left side and the right side of the fixing cylinder and used for conducting butt joint installation on the flange bodies on the left side and the right side, and the fixing connection columns are arranged on the outer side of the fixing cylinder and are arranged at equal angles on the outer side of the fixing cylinder. According to the thread meshing flange with the sealing structure, the sealing effect is better, bolts are connected into the reinforcing screw holes in a threaded mode, a connecting pipeline is extruded, the connecting pipeline and the flange bodies can be further positioned, loosening is prevented, butt joint between the flange bodies on the left side and the right side is facilitated, and the sealing effect is better. And the left and right two groups of flanges can be conveniently positioned.

Description

Technical Field

[0001] The utility model relates to the technical field related to flanges, in particular to a threaded meshing flange provided with a sealing structure. Background Art

[0002] Flange refers to a connecting component used between pipes or equipment. In addition, flanges can be divided into different types, such as threaded flanges, welded flanges and wafer flanges. Threaded flanges are a type of flange. The inner hole of the flange is processed into a pipe thread and connected with a threaded pipe. It is a non-welded flange.

[0003] With reference to the Chinese patent authorization announcement number CN210440743U, the authorization announcement date is 2020.05.01, which discloses a threaded meshing flange, which relates to the field of flange technology, in order to solve the problem that the existing flanges generally only play a connecting role, cannot meet the high-pressure reciprocating motion in special environments, and have general pressure resistance. A second flange is provided on one side of the first flange, and the first flange and the second flange are both provided with connecting through holes inside, and bolts are provided inside the connecting through holes, and a connecting rod is provided inside the bolts, and the connecting rod and the bolts are an integral structure, and a locking nut is provided at one end of the connecting rod, and an annular boss is provided at the center position of the first flange and the second flange, and a screw hole is provided inside the annular boss, and a thread is provided on the inner wall of the screw hole, and a connecting pipe is provided on one side of the first flange and the second flange, and a double-lip sealing ring is provided between the first flange and the second flange, and an outer lip is provided on the outer wall of the double-lip sealing ring;

[0004] However, the existing technology has the problem that the sealing effect of the connection between the pipe and the flange is not good, and the pipe and the flange are mostly connected only by bolts, which are not tight and are easy to loosen after long-term use. In addition, the connection and sealing effect between the two sets of flanges of the connected pipes are not ideal. For example, the comparative patents listed above have this problem.

[0005] Therefore, we propose a threaded meshing flange with a sealing structure to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a threaded meshing flange with a sealing structure to solve the problems in the prior art proposed in the above-mentioned background technology that the sealing effect of the connection between the pipe and the flange is poor, the pipe and the flange are mostly connected only by bolts, the tightness is not high, and they are easy to loosen after long-term use, and the connection and sealing effect between the two sets of flanges of the connected pipes are not ideal.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a threaded meshing flange provided with a sealing structure, comprising a flange body and a connecting pipe threadedly connected to the outside of the flange body;

[0008] Also includes:

[0009] A docking installation mechanism, which is arranged between the flange bodies on the left and right sides, and is used to dock the flange bodies on the left and right sides, and the outer side of the flange body is provided with a reinforcement screw hole;

[0010] A fixed connection column, wherein the fixed connection column is arranged outside the fixed cylinder, and the fixed connection column is arranged outside the fixed cylinder at an equal angle, and the fixed connection column is combined with a fixed connection rod and a fixed connection cap to fix the flange bodies on the left and right sides;

[0011] The fixed connection column, in combination with the fixed connection rod and the fixed connection cap, drives the flange bodies on the left and right sides to form a disassembly structure.

[0012] Preferably, flange holes are opened at equal angles in the middle of the flange body, and a first sealing ring is arranged on the inner side of the flange body, and the first sealing ring is tightly fitted at the connection between the flange body and the connecting pipe.

[0013] Preferably, the docking installation mechanism comprises a fixing tube for connection and a second sealing ring symmetrically arranged on the left and right sides of the fixing tube.

[0014] Preferably, the fixing cylinder is plug-installed in the middle of the flange body, and a second sealing ring is tightly fitted at the connection between the fixing cylinder and the flange body.

[0015] Preferably, both left and right ends of the fixed connection column are fixedly connected with fixed connection rods, and the fixed connection rods are arranged through the flange holes, and the outer surfaces of the fixed connection rods are sleeved with anti-skid pads.

[0016] Preferably, the outer surface of the fixed connecting rod is threadedly connected with a fixed connecting cap for limiting position, and the fixed connecting cap presses the anti-skid pad, and the anti-skid pad is fitted between the fixed connecting cap and the flange body.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the threaded meshing flange provided with a sealing structure is arranged between the connecting pipe and the flange body by the first sealing ring, so that the sealing effect between the connecting pipe and the flange body is better, and the connecting pipe is squeezed by the bolt thread connection in the reinforcement screw hole, so that the connecting pipe and the flange body can be further positioned to prevent loosening, and the flange bodies on the left and right sides can be conveniently butted with each other through the setting of the butt-jointing installation mechanism, and the sealing is high, and the positioning between the left and right sets of flanges is convenient through the setting of the fixed connecting column, the fixed connecting rod and the fixed connecting cap, and the tightness is high;

[0018] 1. A first sealing ring and a reinforcement screw hole are provided. The first sealing ring is provided to improve the sealing effect of the connection between the connecting pipe and the flange body. The bolt thread is combined to squeeze the connecting pipe in the reinforcement screw hole, thereby improving the tightness of the connection between the connecting pipe and the flange body.

[0019] 2. A docking installation mechanism is provided, which includes a fixing cylinder and a second sealing ring. Through the setting of the docking installation mechanism, it is convenient to dock the left and right flanges, and the overall sealing effect is good;

[0020] 3. A fixed connecting column, a fixed connecting rod and a fixed connecting cap are provided. The fixed connecting rod and the fixed connecting cap are symmetrically arranged at the left and right ends of the fixed connecting column respectively. The arrangement of the fixed connecting column, the fixed connecting rod and the fixed connecting cap facilitates the docking installation between the left and right sets of flanges. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the explosion structure of the utility model, which is connected by a fixed connecting column, a fixed connecting rod, an anti-skid pad and a fixed connecting cap;

[0024] Figure 4 This is a side view structural diagram of the connection between the fixed connecting rod, the anti-skid pad and the flange body of the utility model;

[0025] Figure 5 It is a front view cutaway structural diagram of the connection between the flange body and the docking installation mechanism of the utility model.

[0026] In the figure: 1. Flange body; 2. Flange hole; 3. Connecting pipe; 4. First sealing ring; 5. Docking installation mechanism; 6. Fixed cylinder; 7. Second sealing ring; 8. Fixed connecting column; 9. Fixed connecting rod; 10. Anti-slip pad; 11. Fixed connecting cap; 12. Reinforcement screw hole. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-5 The utility model provides a technical solution: a threaded meshing flange with a sealing structure, including a flange body 1, a flange hole 2, a connecting pipe 3, a first sealing ring 4, a docking installation mechanism 5, a fixing tube 6, a second sealing ring 7, a fixed connecting column 8, a fixed connecting rod 9, an anti-slip pad 10, a fixed connecting cap 11 and a reinforcement screw hole 12.

[0029] When using the threaded flange with a sealing structure, Figure 1 and Figure 2 As shown, the outer side of the flange body 1 is threadedly connected with a flange hole 2, and the first sealing ring 4 is tightly arranged at the connection between the connecting pipe 3 and the flange body 1. The setting of the first sealing ring 4 improves the sealing effect of the connection between the connecting pipe 3 and the flange body 1, and the outer side of the flange body 1 is provided with a reinforcement screw hole 12. When the connecting pipe 3 and the paper part of the flange body 1 are threadedly connected, the connecting pipe 3 is squeezed by the end of the bolt in the reinforcement screw hole 12 through the external bolt thread, so that the connecting pipe 3 and the flange body 1 can be further positioned, preventing the connecting pipe 3 and the flange body 1 from being loosened during long-term use due to only being connected by threads, thereby improving the stability of the connection between the connecting pipe 3 and the flange body 1.

[0030] After the connection pipe 3 and the flange body 1 are installed, Figure 3 , Figure 4 and Figure 5As shown, the docking installation mechanism 5 includes a fixed cylinder 6 for connection and a second sealing ring 7 symmetrically arranged on the left and right sides of the fixed cylinder 6. The left and right ends of the fixed connection column 8 are fixedly connected with the fixed connection column 8. The fixed connection column 8 drives the fixed connection rod 9 to be respectively inserted into the flange hole 2 on the side of the flange body 1. At the same time, the fixed cylinder 6 is clamped in the middle of the flange body 1, and the second sealing ring 7 is tightly fitted at the connection between the fixed cylinder 6 and the flange body 1. Through the setting of the second sealing ring 7, the sealing performance of the connection between the fixed cylinder 6 and the flange body 1 is improved, and the fast docking between the left and right groups of flange bodies 1 and the flange body 1 can be realized through the fixed cylinder 6.

[0031] The fixed connecting column 8 is set at an equal angle on the outside of the fixed cylinder 6, and the anti-skid pad 10 is sleeved on the outside of the fixed connecting rod 9. The fixed connecting cap 11 that is threadedly connected to the outer surface of the fixed connecting rod 9 is rotated and the fixed connecting cap 11 squeezes and fixes the anti-skid pad 10, so that the anti-skid pad 10 fits tightly between the fixed connecting cap 11 and the flange body 1. The setting of the anti-skid pad 10 can prevent the fixed connecting cap 11 from loosening to a certain extent. The setting of the fixed connecting column 8, the fixed connecting rod 9 and the fixed connecting cap 11 facilitates the positioning of the left and right groups of flange bodies 1 and the flange bodies 1, and then facilitates the assembly and docking of the flange body 1 and the connecting pipe 3. The overall structural design is relatively simple, with good sealing effect and high tightness.

[0032] 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 threaded flange provided with a sealing structure, comprising a flange body (1) and a connecting pipe (3) threadedly connected to the outside of the flange body (1); It is characterized in that Also includes: A docking installation mechanism (5), the docking installation mechanism (5) being arranged between the flange bodies (1) on the left and right sides, and being used for docking the flange bodies (1) on the left and right sides, and having reinforcement screw holes (12) formed on the outer side surfaces of the flange bodies (1); A fixed connection column (8), wherein the fixed connection column (8) is arranged outside the fixed cylinder (6), and the fixed connection column (8) is arranged outside the fixed cylinder (6) at an equal angle, and the fixed connection column (8) is combined with a fixed connection rod (9) and a fixed connection cap (11) to fix the flange bodies (1) on the left and right sides. The fixed connection column (8) is combined with the fixed connection rod (9) and the fixed connection cap (11) to drive the flange bodies (1) on the left and right sides to form a disassembly structure.

2. A threaded flange with a sealing structure according to claim 1, characterized in that: The middle part of the flange body (1) is provided with flange holes (2) at equal angles, and a first sealing ring (4) is provided on the inner side of the flange body (1), and the first sealing ring (4) is tightly fitted at the connection between the flange body (1) and the connecting pipe (3).

3. A threaded flange with a sealing structure according to claim 1, characterized in that: The docking installation mechanism (5) comprises a fixing cylinder (6) for connection and a second sealing ring (7) symmetrically arranged on the left and right sides of the fixing cylinder (6).

4. A threaded flange with a sealing structure according to claim 3, characterized in that: The fixing cylinder (6) is plugged and installed in the middle of the flange body (1), and a second sealing ring (7) is tightly fitted at the connection between the fixing cylinder (6) and the flange body (1).

5. The threaded flange with a sealing structure according to claim 1, characterized in that: The left and right ends of the fixed connection column (8) are fixedly connected to fixed connection rods (9), and the fixed connection rods (9) are arranged to penetrate the flange holes (2), and the outer surfaces of the fixed connection rods (9) are sleeved with anti-skid pads (10).

6. A threaded flange with a sealing structure according to claim 5, characterized in that: The outer surface of the fixed connection rod (9) is threadedly connected to a fixed connection cap (11) for limiting position, and the fixed connection cap (11) presses the anti-skid pad (10), and the anti-skid pad (10) is arranged in a close fit between the fixed connection cap (11) and the flange body (1).

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