High-pressure leakage-proof flange

Abstract

The utility model discloses a high-pressure leakage-proof flange which comprises a first flange pipe, the first flange pipe is connected with a second flange pipe in an attached mode, the first flange pipe is connected with the second flange pipe through a threaded rod, and the high-pressure leakage-proof flange further comprises a sealing gasket attached to the inner side of the first flange pipe and the inner side of the second flange pipe. The outer end of the sealing gasket extends into the first flange pipe and the second flange pipe, a first magnet is embedded into the outer end of the sealing gasket, the outer side of the first magnet and a second magnet form an attraction structure, and the second magnet is embedded into the first flange pipe and the second flange pipe; a containing shell is embedded in the first flange pipe, and a push rod slides in the containing shell. The high-pressure leakage-proof flange is provided with the first magnet, and the first magnet is separated from the second magnet, so that the sealing gasket can be quickly replaced, the situation that the sealing gasket is difficult to replace after being damaged is avoided, and the sealing performance is prevented from being reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a high-pressure leak-proof flange. Background Art

[0002] High-pressure leak-proof flanges have multiple functions in the pipeline system, including high-pressure bearing capacity, excellent sealing performance, high-temperature resistance, long life, low maintenance cost, and convenient installation and maintenance.

[0003] Reference announcement number CN215410682U is a reinforced gas leakage-proof socket welding flange, which is inserted into the groove of the first flange through the connecting block of the second flange, automatically aligning the thread groove of the first flange and the connecting port of the second flange, so as to facilitate installation by personnel, inserting the bolt into the connecting port and connecting it with the thread groove to fix the first flange and the second flange, and when the first flange and the second flange are fixedly connected, the sealing block is inserted into the inside of the sealing groove, and the connection between the first flange and the second flange can be effectively sealed by the sealing block and the sealing gasket on the sealing groove. When the pipe body is connected to the flange, the pipe body can be connected to the fixed end by rotating the rotary joint, which is convenient for personnel to load and unload the pipe body. However, there are still the following problems:

[0004] In actual use of the above device, although the sealing effect is achieved by the sealing gasket, the sealing gasket is easily damaged after being squeezed after long-term use, which leads to damage of the sealing gasket and then reduces the sealing performance of the flange.

[0005] Therefore, we proposed a high-pressure leak-proof flange that can solve the above problems well. Utility Model Content

[0006] The utility model aims to provide a high-pressure leak-proof flange to solve the problem raised in the above background technology that the sealing gasket on the current market is easily damaged after being squeezed, which in turn causes damage to the sealing gasket and then reduces the sealing performance of the flange.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a high-pressure leak-proof flange, comprising a first flange pipe, wherein the first flange pipe and the second flange pipe are connected to each other in a close fit, and the first flange pipe and the second flange pipe are connected by a threaded rod

[0008] Also includes:

[0009] A sealing gasket is attached to the inner side of the first flange tube and the second flange tube, and the outer end of the sealing gasket extends into the interior of the first flange tube and the second flange tube, and a first magnet is embedded in the outer end of the sealing gasket, the outer side of the first magnet and the second magnet form an attractive structure, and the second magnet is respectively embedded in the interior of the first flange tube and the second flange tube.

[0010] Preferably, a containing shell is nested inside the first flange tube, and a push rod slides inside the containing shell, and the left end of the push rod slides inside the first flange tube, and the left end of the push rod fits against the right end of the second flange tube.

[0011] Preferably, a first spring is attached to the right end of the push rod, and the right end of the first spring is connected to the inside of the accommodating shell.

[0012] Preferably, the right end of the accommodating shell is connected with an air pipe, and the air pipe is nested inside the first flange tube, and the other end of the air pipe is connected to the airbag.

[0013] Preferably, the outer end of the airbag is fitted inside the second flange tube, a groove is provided inside the airbag, a bump is slid inside the groove, and the outer end of the bump slides inside the trachea.

[0014] Preferably, the outer end of the protrusion is connected to a second spring, and the outer end of the second spring is connected to the inside of the trachea.

[0015] Preferably, the outer end of the protrusion is connected to a pull ring, and the outer end of the pull ring extends out of the interior of the air pipe to form a sliding mechanism.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the high-pressure leak-proof flange does not reduce the sealing performance and has a higher sealing performance. The purpose of quickly replacing the sealing gasket can be achieved through the first magnet, thereby avoiding the sealing gasket from being damaged and affecting the sealing performance. The sealing performance after the first flange pipe and the second flange pipe are connected can be further improved through the expansion of the airbag. The specific contents are as follows:

[0017] (1) A first magnet is provided, and the first magnet is separated from the second magnet, so that the sealing gasket can be quickly replaced, thereby avoiding the difficulty of replacing the sealing gasket after it is damaged, thereby avoiding the decline of sealing performance, and achieving a leak-proof effect;

[0018] (2) An airbag is provided, and the airbag can be expanded by moving the push rod, so that the expansion of the airbag can improve the sealing performance of the connection between the first flange tube and the second flange tube;

[0019] (3) A first spring is provided, and the first spring is attached to the right end of the push rod, and the right end of the first spring is connected to the inside of the accommodating shell, so that the first spring can push the push rod to reset, thereby facilitating the next connection;

[0020] (4) A protrusion is provided, the outer end of the airbag is attached to the inside of the second flange tube, and a groove is provided inside the airbag, and a protrusion slides inside the groove, and the outer end of the protrusion slides inside the trachea, so that after the protrusion is separated from the groove, it is convenient to replace the airbag;

[0021] (5) A second spring is provided, and the second spring is connected to the outer end of the protrusion, and the outer end of the second spring is connected to the inside of the air pipe, so that the second spring can limit the protrusion, thereby improving the stability of the protrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 This is a schematic diagram of the front view structure of the sealing gasket of the utility model;

[0026] Figure 5 This is a schematic diagram of the front cross-sectional structure of the convex block of the utility model;

[0027] Figure 6 It is a schematic diagram of the structure after the first flange pipe and the second flange pipe of the utility model are separated.

[0028] In the figure: 1. first flange tube; 2. second flange tube; 3. threaded rod; 4. push rod; 5. containing shell; 6. first spring; 7. air pipe; 8. air bag; 9. bump; 10. groove; 11. second spring; 12. pull ring; 13. sealing gasket; 14. first magnet; 15. second magnet. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1:

[0031] The utility model solves the problem that the existing sealing gasket 13 is easily damaged after being squeezed, which leads to damage of the sealing gasket 13 and then reduces the sealing performance of the flange. By replacing the sealing gasket 13, the sealing performance is avoided from being reduced. The utility model discloses:

[0032] The first flange pipe 1, the first flange pipe 1 and the second flange pipe 2 are connected to each other, and the first flange pipe 1 and the second flange pipe 2 are connected by the threaded rod 3, and further include: the inner sides of the first flange pipe 1 and the second flange pipe 2 are attached with a sealing gasket 13, and the outer end of the sealing gasket 13 extends into the interior of the first flange pipe 1 and the second flange pipe 2, and the outer end of the sealing gasket 13 is embedded with a first magnet 14, the outer side of the first magnet 14 and the second magnet 15 form an attracting structure, and the second magnet 15 is respectively embedded in the interior of the first flange pipe 1 and the second flange pipe 2;

[0033] refer to Figures 1 to 4 After the sealing gasket 13 is damaged, the first flange tube 1 and the second flange tube 2 can be separated by disassembling the threaded rod 3, and then the sealing gasket 13 can be exposed, and then the sealing gasket 13 is pulled to move the sealing gasket 13 and drive the first magnet 14 to move, and then the first magnet 14 and the second magnet 15 can be separated, so that the sealing gasket 13 can be disassembled, and through the reverse operation, the first magnet 14 and the second magnet 15 are mutually adsorbed, so as to achieve the effect of fixing the sealing gasket 13, and then the sealing gasket 13 can play a sealing role, thereby avoiding the sealing gasket 13 from being damaged and ruptured due to high pressure, thereby affecting the sealing performance;

[0034] Embodiment 2:

[0035] The utility model solves the problem that there is a gap after the existing flange connection, which leads to poor sealing. The airbag 8 can improve the sealing effect and discloses:

[0036] The first flange tube 1 is nested with a receiving shell 5, and a push rod 4 is slidably disposed inside the receiving shell 5, and the left end of the push rod 4 slides inside the first flange tube 1, and the left end of the push rod 4 is attached to the right end of the second flange tube 2, and the right end of the push rod 4 is attached to the first spring 6, and the right end of the first spring 6 is connected to the inside of the receiving shell 5;

[0037] refer to Figure 2 , Figure 3 and Figure 6When the first flange tube 1 and the second flange tube 2 are fitted together, the second flange tube 2 will squeeze the push rod 4, so that the push rod 4 will move inside the containment shell 5, and the movement of the push rod 4 will transport the gas inside the containment shell 5 to the inside of the airbag 8 through the air pipe 7, so that the airbag 8 can be expanded, so that the gap connecting the first flange tube 1 and the second flange tube 2 can be blocked by the airbag 8, thereby improving the sealing performance, and the movement of the push rod 4 will squeeze the first spring 6, so that the first spring 6 is compressed by force, and after the first flange tube 1 and the second flange tube 2 are separated, the push rod 4 is pushed to reset by the force of the first spring 6, and then the movement of the push rod 4 will form a negative pressure in the containment shell 5, so that the negative pressure in the containment shell 5 will attract the air inside the airbag 8, so that the gas will be stored again inside the containment shell 5;

[0038] Embodiment three:

[0039] The utility model solves the problem that the airbag 8 in the second embodiment cannot be replaced after being damaged. The purpose of replacement can be achieved by moving the protrusion 9. The utility model discloses:

[0040] The right end of the accommodating shell 5 is connected with an air pipe 7, and the air pipe 7 is nested inside the first flange tube 1, and the other end of the air pipe 7 is connected with an air bag 8, the outer end of the air bag 8 is fitted inside the second flange tube 2, and a groove 10 is opened inside the air bag 8, and a protrusion 9 slides inside the groove 10, the outer end of the protrusion 9 slides inside the air pipe 7, the outer end of the protrusion 9 is connected with a second spring 11, and the outer end of the second spring 11 is connected to the inside of the air pipe 7, the outer end of the protrusion 9 is connected with a pull ring 12, and the outer end of the pull ring 12 extends out of the inside of the air pipe 7 to form a sliding mechanism;

[0041] refer to Figure 2 and Figure 5 By pulling the pull ring 12, the pull ring 12 moves to drive the protrusion 9 to move, and then the protrusion 9 will squeeze the second spring 11, so that the second spring 11 is compressed, and the movement of the protrusion 9 will disengage from the engagement with the groove 10, thereby facilitating the replacement of the airbag 8. By reversing the above operation, the protrusion 9 is pushed into the interior of the groove 10 by the force of the second spring 11 to form an engagement, so that the airbag 8 can be quickly connected to the trachea 7.

[0042] Working principle: When using this high-pressure leak-proof flange, first, refer to Figures 1 to 4After the gasket 13 is damaged, the first flange tube 1 and the second flange tube 2 can be separated by disassembling the threaded rod 3, and then the gasket 13 can be exposed, and then the gasket 13 is pulled to move the gasket 13 and drive the first magnet 14 to move, so that the gasket 13 can be disassembled, and through the reverse operation, the first magnet 14 and the second magnet 15 are mutually adsorbed, and then the gasket 13 can play a sealing role, thereby avoiding the gasket 13 from being damaged after high pressure use, and then achieving the effect of leak prevention;

[0043] refer to Figure 2 , Figure 3 and Figure 6 When the first flange tube 1 and the second flange tube 2 are attached to each other, the second flange tube 2 will squeeze the push rod 4, and the movement of the push rod 4 will transport the gas inside the containment shell 5 to the inside of the airbag 8 through the air pipe 7, thereby improving the sealing performance, and the movement of the push rod 4 will squeeze the first spring 6. After the first flange tube 1 and the second flange tube 2 are separated, the push rod 4 is pushed to reset by the force of the first spring 6, and then the movement of the push rod 4 will form a negative pressure in the containment shell 5, so that the negative pressure in the containment shell 5 will attract the air inside the airbag 8, so that the gas will be stored inside the containment shell 5 again;

[0044] refer to Figure 2 and Figure 5 By pulling the pull ring 12, the pull ring 12 moves to drive the protrusion 9 to move, and then the protrusion 9 will squeeze the second spring 11, and the movement of the protrusion 9 will disengage from the engagement with the groove 10. By reversing the above operation, the protrusion 9 is pushed into the interior of the groove 10 by the force of the second spring 11 to engage, so that the airbag 8 can be quickly connected to the trachea 7.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-pressure leak-proof flange, comprising a first flange pipe (1), wherein the first flange pipe (1) and the second flange pipe (2) are connected to each other by abutting each other, and the first flange pipe (1) and the second flange pipe (2) are connected by a threaded rod (3) It is characterized in that Also includes: A sealing gasket (13) is attached to the inner side of the first flange tube (1) and the second flange tube (2), and the outer end of the sealing gasket (13) extends into the interior of the first flange tube (1) and the second flange tube (2), and a first magnet (14) is embedded in the outer end of the sealing gasket (13), the outer side of the first magnet (14) and the second magnet (15) form an attracting structure, and the second magnet (15) is respectively embedded in the interior of the first flange tube (1) and the second flange tube (2).

2. A high pressure leakproof flange according to claim 1, characterized in that: A containing shell (5) is nested inside the first flange tube (1), and a push rod (4) slides inside the containing shell (5), and the left end of the push rod (4) slides inside the first flange tube (1), and the left end of the push rod (4) is attached to the right end of the second flange tube (2), and gas is stored inside the containing shell (5).

3. A high pressure leakproof flange according to claim 2, characterized in that: The right end of the push rod (4) is fitted with a first spring (6), and the right end of the first spring (6) is connected to the inside of the accommodating shell (5).

4. A high pressure leakproof flange according to claim 2, characterized in that: The right end of the accommodating shell (5) is connected to an air pipe (7), and the air pipe (7) is nested inside the first flange tube (1), and the other end of the air pipe (7) is connected to the air bag (8).

5. A high pressure leakproof flange according to claim 4, characterized in that: The outer end of the airbag (8) is fitted inside the second flange tube (2), and a groove (10) is provided inside the airbag (8), and a convex block (9) slides inside the groove (10), and the outer end of the convex block (9) slides inside the trachea (7).

6. A high pressure leakproof flange according to claim 5, characterized in that: The outer end of the protrusion (9) is connected to a second spring (11), and the outer end of the second spring (11) is connected to the inside of the air pipe (7).

7. A high pressure leakproof flange according to claim 6, characterized in that: The outer end of the protrusion (9) is connected to a pull ring (12), and the outer end of the pull ring (12) extends out of the interior of the air pipe (7) to form a sliding mechanism.

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