Metal hose with high sealing structure

Abstract

The utility model provides a metal hose with a high sealing structure, which relates to the technical field of metal pipes and comprises a flange plate, a sealing component fixedly arranged inside the flange plate, a pipe body component fixedly connected to the outer side of the flange plate, the sealing component comprises a sealing groove, and the sealing groove is arranged on the outer side of the flange plate. A sealing ring is fixedly connected into the sealing groove, a pressurizing ring is fixedly connected into the flange plate, and a pressure head is fixedly connected to the end, close to the sealing ring, of the pressurizing ring, so that external force can be concentrated on the pressure head under the high-pressure condition through the design that the pressurizing ring and a supporting ring are introduced into the flange plate; the sealing ring is uniformly stressed and is more tightly attached to the inner wall of the sealing groove, so that the durability of the sealing effect is improved, the leakage problem caused by sealing failure is effectively prevented, and the requirement for frequent maintenance or replacement caused by sealing failure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of metal pipes, in particular to a metal hose with a high sealing structure. Background Art

[0002] A metal hose is a flexible pipe made of metal with excellent flexibility and pressure resistance. It typically consists of a bellows, a mesh sleeve, and a connector. It is used to transport various fluids and absorb vibration, compensate for pipe displacement, or transfer heat in complex piping systems.

[0003] However, in actual use, some shortcomings still exist. For example, in extreme working environments with high pressure or high temperature, the joints of metal hoses are often subjected to tremendous pressure. These conventional sealing structures are prone to fatigue damage when facing high pressure or high temperature. This not only affects the overall performance of the metal hose, but may also cause seal failure. Failed flanges can cause leaks, which in turn affects the safety of the entire system.

[0004] Therefore, the utility model provides a metal hose with a high sealing structure. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and provide a metal hose with a high sealing structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a metal hose with a high sealing structure, comprising a flange, a sealing assembly is fixedly provided inside the flange, and a pipe body assembly is fixedly connected to the outside of the flange; the sealing assembly comprises a sealing groove, which is opened on the outside of the flange, a sealing ring is fixedly connected to the inside of the sealing groove, a boosting ring is fixedly connected to the inside of the flange, a pressure head is fixedly connected to the end of the boosting ring close to the sealing ring, a groove is opened at the end of the boosting ring away from the pressure head, and a support ring is fixedly connected to the inside of the groove.

[0007] As a preferred embodiment, the pipe body assembly includes an inner liner pipe, both ends of the inner liner pipe are fixedly connected to a flange, one side of the flange is fixedly connected to a bellows, and the inside of the flange is fixedly connected to bolts.

[0008] The technical effect of adopting the above technical solution is: the sealing ring can still maintain a good sealing effect under extreme working conditions, avoiding fatigue damage of the sealing ring caused by uneven pressure or insufficient pressure, and ensuring that the sealing ring will not deform or shift when under pressure, thereby maintaining the reliability of the seal.

[0009] As a preferred embodiment, the outer side of the support ring is fixedly connected to the outer side of the flange.

[0010] The technical effect of adopting the above technical solution is that the close contact between the pressure head and the sealing ring ensures that the sealing ring can obtain uniform and sufficient pressure under high pressure environment, thereby ensuring the durability and reliability of the sealing effect.

[0011] As a preferred embodiment, the end of the pressure head away from the boosting ring is in contact with the sealing ring.

[0012] The technical effect of adopting the above technical solution is that the device can effectively prevent leakage of high-pressure fluid during operation through the close fit between the sealing ring and the pressure head.

[0013] As a preferred embodiment, the outer side of the support ring is connected to the boost ring by being fixedly connected to the groove.

[0014] The technical effect of adopting the above technical solution is that the pressure of the support ring can be transferred to the boost ring, and the pressure is more concentrated.

[0015] As a preferred embodiment, the interior of the liner pipe is fixedly connected to the outside of the bellows.

[0016] The technical effect of adopting the above technical solution is: the pressure resistance and tensile strength of the metal hose are enhanced, and at the same time the flexible structure of the bellows can effectively absorb vibration and compensate for displacement.

[0017] Compared with the prior art, the advantages and positive effects of the present invention are that, by setting up a sealing assembly and a pipe body assembly structure, the flange is connected to the pipe body assembly, the inner liner is fixed thereon and connected to the bellows, the bellows absorbs the displacement and transmits it to the flange through the inner liner, the sealing assembly in the flange works, the sealing ring is fixed in the sealing groove, the boosting ring is installed in the flange, and the end close to the sealing ring is connected to the pressure head. When under pressure, the pressure head causes the sealing ring to deform and fit the sealing groove, and the boosting ring concentrates the pressure on the pressure head, pressing the sealing ring to ensure effective sealing. In this way, by introducing the design of the boosting ring and the support ring inside the flange, the external force can be concentrated on the pressure head under high pressure conditions, so that the sealing ring is evenly stressed and fits the inner wall of the sealing groove more tightly, thereby improving the durability of the sealing effect, thereby effectively preventing leakage problems caused by sealing failure, and reducing the need for frequent maintenance or replacement due to sealing failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of a metal hose with a high sealing structure provided by the utility model.

[0019] Figure 2This is a schematic diagram of the sealing assembly structure of a metal hose with a high sealing structure provided by the utility model.

[0020] Figure 3 This is a schematic diagram of the disassembled sealing component structure of a metal hose with a high sealing structure provided by the utility model.

[0021] Figure 4 The present invention provides a schematic diagram of a flange structure of a metal hose with a high sealing structure.

[0022] Legend: 1. Flange; 2. Sealing assembly; 21. Sealing groove; 22. Sealing ring; 23. Booster ring; 24. Pressure head; 25. Groove; 26. Support ring; 3. Pipe body assembly; 31. Lining pipe; 32. Bellows; 33. Bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1 - Figure 4 As shown, this embodiment provides a technical solution: a metal hose with a high sealing structure, including a flange 1, a sealing component 2 is fixedly provided inside the flange 1, and a pipe body component 3 is fixedly connected to the outside of the flange 1.

[0025] The sealing assembly 2 includes a sealing groove 21, which is provided on the outer side of the flange 1. A sealing ring 22 is fixedly connected to the inside of the sealing groove 21. A boosting ring 23 is fixedly connected to the inside of the flange 1. The end of the boosting ring 23 close to the sealing ring 22 is fixedly connected to a pressure head 24. The end of the pressure head 24 away from the boosting ring 23 contacts the sealing ring 22. A groove 25 is provided on the end of the boosting ring 23 away from the pressure head 24. A support ring 26 is fixedly connected to the inside of the groove 25. The outer side of the support ring 26 is fixedly connected to the outer side of the flange 1. The outer side of the support ring 26 is connected to the boosting ring 23 by being fixedly connected to the groove 25. The flange 1 serves as the connecting body and provides a solid foundation for the entire structure. The design of the sealing assembly 2 is the key to ensuring the high sealing performance of the system. The sealing groove 21 is provided on the outer side of the flange 1, and a sealing ring 22 is also fixed to the inside of the sealing groove 21, which effectively blocks In order to prevent the leakage of the medium and ensure the sealing of the system, the flange 1 is further fixedly connected with a boost ring 23, and the boost ring 23 is fixedly connected to a pressure head 24 at one end close to the sealing ring 22. This structural design can apply additional pressure to the sealing ring 22 through the pressure head 24, thereby further enhancing the sealing effect, and can further achieve the sealing effect when 24 is compressed, so that the device can still maintain a reliable sealing effect under high-pressure conditions, avoiding leakage problems caused by pressure fluctuations. Secondly, the support ring 26 is fixed inside the groove 25, so that the support ring 26 can provide additional supporting force, so that when the boost ring 23 is subjected to the pressure generated when the flange 1 is installed, the internal support ring 26 can allow the pressure in the boost ring 23 to be concentrated to the pressure head, so that the sealing ring 22 can be subjected to the same force as the boost ring 23, thereby filling the connected seal.

[0026] Furthermore, Figure 1 As shown: the pipe body assembly 3 includes an inner lining pipe 31, both ends of the inner lining pipe 31 are fixedly connected to the flange 1, one side of the flange 1 is fixedly connected to a bellows 32, the inside of the inner lining pipe 31 is fixedly connected to the outside of the bellows 32, the inside of the flange 1 is fixedly connected with bolts 33, the inner lining pipe 31 prevents structural fatigue and sealing failure caused by stress concentration at the connection between the pipe body and the flange 1, the bellows 32 can absorb the displacement caused by temperature changes or mechanical vibrations, and can also alleviate the impact caused by pressure fluctuations, ensuring that the entire pipeline system can still operate smoothly in harsh environments, and the role of the bolts 33 is to ensure a firm connection between the entire flange 1 and the pipe body assembly 3.

[0027] Working principle: Figure 1 - Figure 4As shown, when in use, first, the flange 1 is used as the connecting body, and both ends of the inner lining tube 31 in the pipe body assembly 3 are fixed on the flange 1 and connected to the bellows 32. The function of the bellows 32 is to absorb the displacement caused by temperature changes or mechanical vibrations, and transmit these displacements to the flange 1 through the inner lining tube 31, and then the sealing assembly 2 inside the flange 1 starts to work. The sealing ring 22 is fixed in the sealing groove 21, and the boosting ring 23 is installed inside the flange 1. A pressure head 24 is connected to the end close to the sealing ring 22. When subjected to pressure, the pressure head 24 applies pressure to the sealing ring 22, which can drive the sealing ring 22 to deform and make it fit tightly against the inner wall of the sealing groove 21. At the same time, the support ring 26 in the boosting ring 23 concentrates pressure on the pressure head 24 when subjected to external force from the flange 1, and further presses the sealing ring 22 into the sealing groove 21, thereby driving the entire sealing assembly 2 to work together to ensure that the sealing ring 22 fits tightly under the action of the boosting ring 23 to form an effective seal.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A metal hose with a high sealing structure, comprising a flange (1), characterized in that: A sealing assembly (2) is fixedly provided inside the flange (1), and a pipe assembly (3) is fixedly connected to the outside of the flange (1); the sealing assembly (2) includes a sealing groove (21), the sealing groove (21) is provided on the outside of the flange (1), a sealing ring (22) is fixedly connected inside the sealing groove (21), a boosting ring (23) is fixedly connected inside the flange (1), an end of the boosting ring (23) close to the sealing ring (22) is fixedly connected to a pressure head (24), an end of the boosting ring (23) away from the pressure head (24) is provided with a groove (25), and a support ring (26) is fixedly connected inside the groove (25).

2. The metal hose with a high sealing structure according to claim 1, characterized in that: The pipe body assembly (3) comprises an inner lining pipe (31), both ends of the inner lining pipe (31) are fixedly connected to the flange (1), one side of the flange (1) is fixedly connected to a bellows (32), and the interior of the flange (1) is fixedly connected to a bolt (33).

3. The metal hose with a high sealing structure according to claim 1, characterized in that: The outer side of the support ring (26) is fixedly connected to the outer side of the flange (1).

4. The metal hose with a high sealing structure according to claim 1, characterized in that: One end of the pressure head (24) away from the boost ring (23) contacts the sealing ring (22).

5. The metal hose with a high sealing structure according to claim 1, characterized in that: The outer side of the support ring (26) is connected to the boost ring (23) by being fixedly connected to the groove (25).

6. The metal hose with a high sealing structure according to claim 2, characterized in that: The interior of the lining tube (31) is fixedly connected to the exterior of the bellows (32).

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