Filtering metal corrugated hose

Abstract

This application relates to a filter-type corrugated metal hose, comprising a rubber inner tube, a filter plate at one end of the rubber inner tube, and multiple first filter ports axially formed on the filter plate. An installation tube is located on the side of the filter plate facing away from the rubber inner tube, and multiple second filter ports are formed on the side wall of the installation tube. A protective tube is connected to the outer periphery of the installation tube, and a corrugated outer tube is coaxially connected to the protective tube. The protective tube and the corrugated outer tube cover the outer periphery of the rubber inner tube, forming a gap between the protective tube and the rubber inner tube. Multiple third filter ports are radially formed on the rubber inner tube corresponding to the protective tube, and the second and third filter ports communicate with the gap. This application forms two filtration channels by setting the first, second, and third filter ports, allowing liquid to be filtered through both channels. The structure is simple and installation is convenient.

Description

Technical Field

[0001] This application relates to the field of pipeline technology, and in particular to a filter-type corrugated metal hose. Background Technology

[0002] Corrugated hoses are flexible pipes with a wave-like structure, consisting of alternating crests and troughs. They have good flexibility, extensibility, and pressure resistance, and are widely used in industries such as industry, automobiles, construction, medical care, and home appliances. They are commonly used to transport liquids or gases.

[0003] When transporting liquids, large impurities may be present in the liquid. In practical applications, corrugated hoses are usually connected to external filtration equipment to remove impurities from the liquid. This means that the liquid cannot be used immediately after transportation, and installing the filtration equipment requires additional time. Therefore, there is an urgent need for a corrugated hose with filtration function. Utility Model Content

[0004] This application provides a filter-type corrugated metal hose with filtration function.

[0005] The filter-type corrugated metal hose provided in this application adopts the following technical solution:

[0006] A filter-type corrugated metal flexible tube includes a rubber inner tube, a filter plate at one end of the rubber inner tube, a plurality of first filter ports axially formed on the filter plate, an mounting tube on the side of the filter plate facing away from the rubber inner tube, a plurality of second filter ports formed on the side wall of the mounting tube, a protective tube connected to the outer periphery of the mounting tube, a corrugated outer tube coaxially connected to the protective tube, the protective tube and the corrugated outer tube covering the outer periphery of the rubber inner tube, a gap forming between the protective tube and the rubber inner tube, and a plurality of third filter ports radially formed on the rubber inner tube corresponding to the protective tube, the second filter ports, the third filter ports communicating with the gap.

[0007] Preferably, the mounting tube is threaded to a connecting tube on its inner circumference, and the connecting tube has threads on its inner circumference for connecting to external equipment.

[0008] Preferably, the protective tube includes a first tube body and a second tube body, which are interlocked with each other and connected to the corrugated outer tube, and are sleeved on the rubber inner tube.

[0009] Preferably, the outer circumference of the mounting tube is uniformly provided with a first positioning protrusion and a second positioning protrusion; the inner circumference of the first tube body is provided with a first positioning groove, and the inner circumference of the second tube body is provided with a second positioning groove; the first positioning protrusion is embedded in the first positioning groove, and the second positioning protrusion is embedded in the second positioning groove.

[0010] Preferably, the inner circumference of the first tube is provided with a first guide groove along the axial direction, and there are multiple first guide grooves, which are evenly arranged around the inner circumference of the first tube; the inner circumference of the second tube is provided with a second guide groove along the axial direction, and there are multiple second guide grooves, which are evenly arranged around the inner circumference of the second tube.

[0011] In summary, this application includes at least one of the following beneficial technical effects:

[0012] 1. This application forms two filtration channels by setting a first filter port, a second filter port, a gap, and a third filter port, so that the liquid can be filtered through the two channels. The structure is simple and easy to install.

[0013] 2. By setting the first and second pipe bodies to be detachable, the process of installing the protective pipe onto the installation pipe becomes more convenient and simplifies the installation process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of this application.

[0015] Figure 2 yes Figure 1 Cross-sectional view along AA.

[0016] Figure 3 yes Figure 1 Cross-sectional view along BB.

[0017] Explanation of reference numerals in the attached drawings: 1. Inner rubber tube; 11. Third filter port; 2. Filter plate; 21. First filter port; 3. Mounting tube; 31. Second filter port; 32. First positioning protrusion; 33. Second positioning protrusion; 4. Protective tube; 41. First tube body; 411. First positioning groove; 412. First guide groove; 42. Second tube body; 421. Second positioning groove; 422. Second guide groove; 5. Corrugated outer tube; 6. Connecting tube; 61. Thread; 7. Gap. Detailed Implementation

[0018] The present application will be further described in detail below with reference to the accompanying drawings.

[0019] This application provides a filter-type corrugated metal hose, such as Figures 1 to 3 As shown, it includes an inner rubber tube 1, a protective tube 4, an installation tube 3, a connecting tube 6, and a corrugated outer tube 5.

[0020] A filter plate 2 is provided at the end of the rubber inner tube 1. The filter plate 2 has multiple first filter ports 21 along the axial direction. The liquid can pass through the first filter ports 21 to filter out some impurities before entering the interior of the rubber inner tube 1.

[0021] A mounting tube 3 is provided on the side of the filter plate 2 facing away from the inner rubber tube 1. A connecting tube 6 is connected to the inner circumference of the mounting tube 3 by a thread 61. The inner circumference of the connecting tube 6 is provided with a thread 61 for connecting external equipment. Multiple second filter ports 31 are opened on the side wall of the mounting tube 3, and the multiple second filter ports 31 are evenly arranged around the side wall of the mounting tube 3. First positioning protrusions 32 and second positioning protrusions 33 are evenly arranged on the outer circumference of the mounting tube 3. A protective tube 4 is connected to the outer circumference of the mounting tube 3. The protective tube 4 covers the outer circumference of the inner rubber tube 1 and is connected to the inner rubber tube 1. A gap 7 is formed. The protective tube 4 includes a first tube body 41 and a second tube body 42. Both the first tube body 41 and the second tube body 42 are semi-circular ring structures, interlocked and fixed with screws, and connected to the end of the corrugated outer tube 5 by spot welding. They are also sleeved on the rubber inner tube 1. The ends of the first tube body 41 and the second tube body 42 near the corrugated outer tube 5 abut against the outer periphery of the rubber inner tube 1 through sealing rings. The inner periphery of the first tube body 41 is provided with a first positioning groove 411, and the inner periphery of the second tube body 42 is provided with a second positioning groove 421. The first positioning protrusion 32 is embedded in the first positioning groove 411, and the second positioning protrusion 33 is embedded in the second positioning groove 421. The first positioning protrusion engaging with the first positioning groove 411 and the second positioning protrusion engaging with the second positioning groove 421 prevent rotation of the first tube 41 and the second tube 42 relative to the mounting tube 3, thus reinforcing the connection structure between the first tube 41, the second tube 42, and the mounting tube 3. The rubber inner tube 1 has multiple third filter ports 11 radially opened corresponding to the protective tube 4. Specifically, the multiple third... The filter port 11 is located between the sealing ring and the filter plate. The second filter port 31, the gap 7 and the third filter port 11 are connected to form a liquid filtration channel. The inner circumference of the first tube body 41 is provided with a first guide groove 412 opened along the axial direction. There are multiple first guide grooves 412, and the multiple first guide grooves 412 are evenly arranged around the inner circumference of the first tube body 41. The inner circumference of the second tube body 42 is provided with a second guide groove 422 opened along the axial direction. There are multiple second guide grooves 422, and the multiple second guide grooves 422 are evenly arranged around the inner circumference of the second tube body 42.

[0022] Liquid enters the connecting pipe 6 and, after being diverted by the first filter port 21 and the second filter port 31, enters the rubber inner tube 1 through different filtration channels. Part of the liquid is filtered through the first filter port 21 before entering the rubber inner tube 1, where impurities are blocked within the mounting pipe 3. The other part of the liquid sequentially passes through the second filter port 31, the gap 7, and the third filter port 11, undergoing double filtration by the second and third filter ports 31 before entering the rubber inner tube 1 for transport. Impurities are blocked outside the second filter port 31 or within the gap 7. The first guide groove 412 and the second guide groove 422 guide the liquid to flow along the length of the rubber inner tube 1. Combined with multiple third filter ports 11, this further enhances the filtration effect. The first tube body 41 and the second tube body 42 are designed as detachable structures for easy installation onto the mounting pipe 3. Compared with existing technologies, this application's filter-type corrugated metal hose can filter out some impurities without relying on other equipment, reducing the impurity content of the liquid and optimizing the user experience.

[0023] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A filter-type corrugated metal flexible hose, characterized in that: The device includes a rubber inner tube (1), a filter plate (2) is provided at the end of the rubber inner tube (1), the filter plate (2) has a plurality of first filter ports (21) opened along the axial direction, an installation tube (3) is provided on the side of the filter plate (2) facing away from the rubber inner tube (1), a plurality of second filter ports (31) are opened on the side wall of the installation tube (3), a protective tube (4) is connected to the outer periphery of the installation tube (3), a corrugated outer tube (5) is coaxially connected to the protective tube (4), the protective tube (4) and the corrugated outer tube (5) cover the outer periphery of the rubber inner tube (1), a gap (7) is formed between the protective tube (4) and the rubber inner tube (1), a plurality of third filter ports (11) are opened radially on the rubber inner tube (1) corresponding to the protective tube (4), and the second filter ports (31), the third filter ports (11) and the gap (7) are connected.

2. The filter-type corrugated metal flexible hose according to claim 1, characterized in that: The mounting tube (3) is connected to a connecting tube (6) by an inner circumferential thread (61), and the inner circumference of the connecting tube (6) is provided with a thread (61) for connecting external equipment.

3. A filter-type corrugated metal flexible hose according to claim 2, characterized in that: The protective tube (4) includes a first tube body (41) and a second tube body (42), which are interlocked and connected to the corrugated outer tube (5) and sleeved on the rubber inner tube (1).

4. A filter-type corrugated metal flexible hose according to claim 3, characterized in that: The outer periphery of the mounting tube (3) is uniformly provided with a first positioning protrusion (32) and a second positioning protrusion (33); The inner circumference of the first tube (41) is provided with a first positioning groove (411), and the inner circumference of the second tube (42) is provided with a second positioning groove (421). The first positioning protrusion (32) is embedded in the first positioning groove (411), and the second positioning protrusion (33) is embedded in the second positioning groove (421).

5. A filter-type corrugated metal flexible hose according to claim 3, characterized in that: The inner circumference of the first tube body (41) is provided with a first guide groove (412) along the axial direction. There are multiple first guide grooves (412), and the multiple first guide grooves (412) are evenly arranged around the inner circumference of the first tube body (41). The inner circumference of the second tube body (42) is provided with a second guide groove (422) along the axial direction. There are multiple second guide grooves (422), and the multiple second guide grooves (422) are evenly arranged around the inner circumference of the second tube body (42).

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