Metal hose with lining cylinder
By introducing an inner liner and end ring design into the metal hose, the pressure loss and safety issues of the metal hose in high temperature, high pressure, and high speed media transmission are solved, achieving stable media transmission and structural enhancement.
Patent Information
- Application Number
- CN202520022991.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing metal hoses are prone to tensile deformation, breakage, or detachment during high-temperature, high-pressure, and high-speed media transmission, resulting in pressure loss and low safety.
The design employs a metal flexible hose with an inner liner, comprising a corrugated tube, a first inner liner, and a second inner liner. Both are inserted into the corrugated tube and have flared ends. Combined with end rings and a braided sleeve, the connection strength and sealing performance are enhanced, and the internal and external pressure balance is adjusted through through holes.
It effectively solves the pressure loss problem, improves the stability and safety of media transmission, is suitable for high-temperature media environments, enhances the durability and corrosion resistance of metal hoses, and reduces friction and noise.
Smart Images

Figure CN223579179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of metal hose, concretely relates to a metal hose with lining cylinder. BACKGROUND
[0002] At present, the metal hose is the combination of corrugated pipe, net cover and joint, or the combination of corrugated pipe and joint, the metal hose is widely applied as the flexible connection of pipeline, under the severe working condition of aviation, aerospace, petroleum chemical industry and other special application fields, the required working medium not only has high pressure, but also has large flow rate, the pipeline for high temperature, high pressure and high speed medium transmission mainly adopts metal pipeline or snake skin pipe form. The metal corrugated pipe is used as the pipeline flow channel, and will be stretched and deformed when bearing pressure, and loses part of flexibility or even pressure bearing capacity; the snake skin pipe is easy to be damaged or dropped when high speed flow passes due to its structural characteristics, and the safety is low. SUMMARY
[0003] Therefore, the utility model discloses a metal hose with lining cylinder to solve the problems of pressure loss of the existing metal hose and use difficulty in high temperature medium occasions.
[0004] To achieve the above object, the utility model provides a metal hose with lining cylinder, the metal hose includes corrugated pipe, first lining cylinder and second lining cylinder, the first lining cylinder is arranged at one end of the corrugated pipe, and part of the first lining cylinder is in the corrugated pipe, the first lining cylinder receives the medium flowing in, the second lining cylinder is arranged at the other end of the corrugated pipe, part of the second lining cylinder is in the corrugated pipe, and the port of the second lining cylinder is horn-shaped, and the port of the second lining cylinder receives the medium flowing out of the first lining cylinder.
[0005] In an embodiment, the metal hose further includes two end rings, the two end rings are respectively welded and fixed with the first lining cylinder and the second lining cylinder, and the two end rings abut with the two ends of the corrugated pipe.
[0006] In an embodiment, the metal hose further includes a net cover, and the net cover is fixedly sleeved on the corrugated pipe.
[0007] In an embodiment, the material of the corrugated pipe is metal material and the inner wall is smooth.
[0008] In an embodiment, the number of layers of the net cover is two or more than two.
[0009] In an embodiment, the first lining cylinder and the second lining cylinder are any one of quick joint type, pipe thread type or pipe joint type.
[0010] In an embodiment, the materials of the first lining cylinder and the second lining cylinder are all metal material with smooth inner wall.
[0011] In one embodiment, the metal hose further comprises eight through holes, four of which are arranged at one end of the first inner liner cylinder close to the end ring, the other four of which are evenly distributed at one end of the first inner liner cylinder in the circumferential direction, the other four of which are arranged at one end of the second inner liner cylinder close to the end ring, and the other four of which are evenly distributed at one end of the second inner liner cylinder in the circumferential direction.
[0012] Compared with the prior art, the utility model has beneficial effects. By combining the corrugated pipe, the first inner liner cylinder and the second inner liner cylinder, the first inner liner cylinder partially penetrates into the corrugated pipe to receive the flowing medium, and the second inner liner cylinder also partially penetrates into the corrugated pipe and adopts a horn-shaped port design, so that the medium flowing out of the first inner liner cylinder can smoothly enter the second inner liner cylinder, thereby realizing smooth transmission and control of the medium and effectively solving the problem of pressure loss caused by the existing metal hose, and the metal hose can be used in high-temperature medium occasions and can effectively reduce the friction of the medium fluid and improve the performance of the metal hose. The two end rings are welded on the first inner liner cylinder and the second inner liner cylinder respectively, the end ring can not only enhance the connection strength, but also better ensure the sealing connection and avoid leakage and loss, thereby improving the safety of the whole system. The utility model solves the problems of pressure loss, damage to equipment and poor high-temperature resistance caused by the metal hose and the snake pipe in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a schematic view of the metal hose of the utility model embodiment.
[0014] REFERENCE NUMERALS
[0015] Metal hose 100, corrugated pipe 10, first inner liner cylinder 20, second inner liner cylinder 30, end ring 40, net cover 50, through hole 60. DETAILED DESCRIPTION
[0016] The technical solutions of the utility model will be described clearly and completely in combination with specific implementation schemes below, but those skilled in the art should understand that the implementation schemes described below are only used to illustrate the utility model and should not be regarded as limiting the scope of the utility model. Based on the implementation schemes in the utility model, all other implementation schemes obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0017] The foregoing and other technical contents, characteristics and effects of the utility model will be clearly presented in the following detailed description of the embodiment with reference to the accompanying drawings. The structural contents mentioned in the following embodiment are all referred to the drawings.
[0018] Each exemplary embodiment of the utility model will be described below with reference to the accompanying drawings.
[0019] Embodiment 1, asFigure 1 As shown in the embodiment, the metal hose 100 with the inner liner tube comprises a bellows 10, a first inner liner tube 20 and a second inner liner tube 30, the first inner liner tube 20 is arranged at one end of the bellows 10 and partially penetrates into the bellows 10, the first inner liner tube 20 receives the flowing medium, the second inner liner tube 30 is arranged at the other end of the bellows 10 and partially penetrates into the bellows 10, and the port of the second inner liner tube 30 is in the shape of a horn, and the port of the second inner liner tube 30 receives the medium flowing out of the first inner liner tube 20.
[0020] In the embodiment 2, on the basis of the embodiment 1, the metal hose 100 further comprises two end rings 40, and the two end rings 40 are respectively welded and fixed with the first inner liner tube 20 and the second inner liner tube 30. Figure 1 The two end rings 40 are added to fix the first inner liner tube 20 and the second inner liner tube 30, the two end rings 40 abut against the two ends of the bellows 10, and the structural strength and stability of the metal hose 100 are further enhanced, and the reliability and durability of the metal hose 100 in practical application are ensured.
[0021] Based on the above embodiments, the metal hose 100 further comprises a mesh sleeve 50, the mesh sleeve 50 is fixedly sleeved on the bellows 10, the mesh sleeve 50 has two or more layers; and the materials of the bellows 10, the first inner liner tube 20 and the second inner liner tube 30 are all metal materials with smooth inner walls.
[0022] The mesh sleeve 50 has two or more layers, and the multi-layer design can significantly enhance the overall structural strength of the metal hose 100. The multi-layer mesh sleeve 50 is interwoven to form a stable support structure, ensuring the stable operation of the metal hose 100 in various complex environments, and the mesh sleeve 50 can also be made of corrosion-resistant and wear-resistant materials, which have excellent mechanical properties and can effectively resist the erosion of abrasive environments.
[0023] The first inner liner tube 20 and the second inner liner tube 30 can be quick connector type, pipe thread type or pipe joint type, which facilitates users to flexibly select appropriate connection modes according to different scenes and needs, and improves the installation convenience and application range of the metal hose 100.
[0024] The bellows 10, the first inner liner tube 20 and the second inner liner tube 30 are made of metal materials with smooth inner walls, which ensures the flexibility of the metal hose 100, effectively alleviates and greatly reduces the problem of pressure loss commonly encountered and difficult to avoid in the use process of traditional hoses, and the metal hose 100 can also be applied in high-temperature medium environments.
[0025] Based on the above embodiments, the metal hose 100 further comprises eight through holes 60, four of which are arranged at one end of the first inner liner tube 20 close to the end ring 40, and the other four are arranged at one end of the second inner liner tube 30 close to the end ring 40.
[0026] In use, by arranging the uniformly distributed through holes 60 at one end of the first inner liner tube 20 and the second inner liner tube 30 close to the end ring 40 and at both ends of the first inner liner tube 20 and the second inner liner tube 30, the blind cavity at both ends of the metal hose 100 is effectively avoided, the balance between the internal and external pressures of the metal hose 100 is maintained, and abnormal noise caused by the flow of high-speed hot air through the pipe is prevented. When hot air passes through the metal hose 100, the through holes can allow the internal and external pressures of the metal hose 100 to flow into each other, avoid the generation of sound waves due to pressure difference, and thus reduce noise. At the same time, the distribution structure of the through holes 60 can also effectively promote uniform air flow and avoid the formation of air flow aggregation or vortex at a specific position of the pipe, thereby reducing noise caused by unstable air flow.
[0027] The metal hose 100 of the utility model relates to a kind of metal hoses, and the technical effect is to effectively improve the pressure loss of medium flow, so as to improve the overall efficiency and performance of the metal hose 100. At the same time, the integrated design of end ring 40 and the fit structure of first inner liner tube 20 and second inner liner tube 30 ensure the connection strength and sealing property of metal hose 100, increase reliability. In addition, two or more than two net cover 50 fixed structures are used, not only enhance the protection performance of metal hose 100, also prolong its service life, all materials are made of metal material with smooth inner wall, further improve the corrosion resistance, high temperature resistance etc. of metal hose 100. When high-speed medium flows, it will not be blown off, fall off like snake skin pipe, more safe, with good high temperature resistance, also applicable to the pipeline of aerospace wind tunnel test device.
[0028] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model are within the scope of protection required by the utility model.
Claims
1. A flexible metal hose with an inner liner, characterized in that, The metal hose includes: Corrugated pipe; A first inner liner, disposed at one end of the bellows and partially extending into the bellows, receives the flowing medium; and The second inner liner is disposed at the other end of the bellows, partially extending into the bellows, and the port of the second inner liner is flared, receiving the medium flowing out of the first inner liner.
2. The metal flexible hose according to claim 1, characterized in that, It also includes two end rings, which are welded and fixed to the first inner liner and the second inner liner respectively, and the two end rings abut against the two ends of the bellows.
3. The metal flexible hose according to claim 2, characterized in that, It also includes a mesh sleeve, which is fixedly fitted onto the corrugated pipe.
4. The metal flexible hose according to claim 3, characterized in that, The corrugated pipe is made of metal and has a smooth inner wall.
5. The metal flexible hose according to claim 3, characterized in that, The mesh layer has two or more layers.
6. The metal flexible hose according to claim 3, characterized in that, The first inner liner and the second inner liner are any one of quick-connect type, pipe thread type or pipe fitting type.
7. The metal flexible hose according to claim 3, characterized in that, Both the first and second inner liner cylinders are made of metal with smooth inner walls.
8. The metal flexible hose according to claim 7, characterized in that, It also includes eight through holes, four of which are located at one end of the first inner liner near the end ring and are evenly distributed circumferentially at one end of the first inner liner. The other four through holes are located at one end of the second inner liner near the end ring and are evenly distributed circumferentially at one end of the second inner liner.