An interface connection structure for rubber hose docking

Abstract

The present invention discloses an interface connection structure for hose docking, which relates to the technical field of hose connection. The present invention includes an interface sealing mechanism, a bidirectional magnetic locking mechanism and an axial limiting mechanism. The interface sealing mechanism is used to connect two hoses. The flange on the end of the hose is docked inside the interface sealing mechanism. The radial limiting assembly includes a radial rod and an inner pushing ball. The circumferential side of the radial rod is fixedly provided with a magnetic limiting plate. When the magnetic locking ring body is rotated to move the U-shaped plate to the magnetic limiting plate, the magnetic limiting plate is driven to move radially to the inside of the rectangular positioning ring through the magnetic repulsive force of the locking magnet on the magnetic limiting plate. At this time, the inner pushing ball moves radially and abuts against the surface of the axial limiting mechanism, and the outer limiting ball is engaged with the outer surface of the positioning assembly. The present invention can realize the pushing and limiting of the two axial limiting mechanisms through the squeezing force of the inner pushing ball on the outer bevel mouth on the axial limiting mechanism, thereby realizing the tight connection of the two hoses by the entire interface connection structure.

Description

Technical Field

[0001] The invention belongs to the technical field of hose connection, and in particular relates to an interface connection structure for hose docking. Background Art

[0002] A flanged water suction hose refers to a hose structure with a flange at one end. It is often used to transport water and other neutral liquids at room temperature. It is mainly used in industrial suction and drainage, agricultural and forestry irrigation, and urban drainage. The general flanged water suction hose is composed of a pipe body and a flange fixedly connected.

[0003] When connecting two hoses, the flanges at the ends of the two hoses are usually butted together, a screw is inserted into the mounting holes on the two flanges, and finally the nut and screw cooperate to achieve a secure connection between the two hoses. This connection method not only results in inefficient hose assembly and disassembly, but is also prone to leaks at the hose connection due to rust or loosening of the screw, thus hindering leak-free liquid transportation. To address this issue, we provide an interface connection structure for hose butt joints to address the aforementioned technical issues. Summary of the Invention

[0004] The object of the present invention is to provide an interface connection structure for hose docking, which solves the problems in the above-mentioned background technology through the specific structural design of the interface sealing mechanism, bidirectional magnetic locking mechanism, axial limiting mechanism and membrane sealing assembly.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is an interface connection structure for hose docking, comprising an interface sealing mechanism, wherein the interface sealing mechanism is used to connect two hoses, and the flanges on the ends of the hoses are docked inside the interface sealing mechanism; a bidirectional magnetic locking mechanism, wherein the bidirectional magnetic locking mechanism is symmetrically arranged on both sides of the interface sealing mechanism, and the bidirectional magnetic locking mechanism is rotationally connected to the interface sealing mechanism; and an axial limiting mechanism, wherein the axial limiting mechanism and the bidirectional magnetic locking mechanism are arranged in a one-to-one correspondence, the axial limiting mechanism is sleeved on the corresponding hose, and the two axial limiting mechanisms arranged opposite to each other are magnetically attracted to each other.

[0007] The interface sealing mechanism includes two inner ring bodies arranged opposite to each other, a plurality of radial limit assemblies are fixedly arranged in an annular direction on one end of the inner ring body, the radial limit assembly includes an elastically reset radial rod, an outer limit ball is fixedly arranged on one end of the radial rod, an inner push ball is fixedly arranged on the other end of the radial rod, and a magnetic limit plate is fixedly arranged on the circumferential side of the radial rod; and an outer ring body, the outer ring body is sleeved on the outside of the inner ring body and the two are rotatably connected, a plurality of positioning assemblies are fixedly arranged in an annular direction on both opposite ends of the outer ring body, and the positioning assemblies are arranged in a one-to-one correspondence with the radial limit assemblies.

[0008] The bidirectional magnetic locking mechanism includes a magnetic locking ring body, which is rotatably connected to the outer ring body, and the inner surface of the magnetic locking ring body is clearance-matched with the outer surface of the inner ring body; and a U-shaped plate, which is fixedly arranged on the outer surface of the magnetic locking ring body, and the inner surface of the U-shaped plate is provided with a locking magnet; an annular cavity is provided on the inner surface of the magnetic locking ring body, and a radial opening communicating with the annular cavity is provided on the outer surface of the magnetic locking ring body, the radial opening is provided in a one-to-one correspondence with the U-shaped plate, and a rectangular positioning ring corresponding to the radial opening is fixedly provided inside the annular cavity;

[0009] When the magnetic locking ring is rotated to move the U-shaped plate to the corresponding magnetic limit plate, the locking magnet inside the U-shaped plate exerts a magnetic repulsive force on the magnetic limit plate, driving the magnetic limit plate to move radially to the inside of the rectangular positioning ring. At this time, the inner pushing ball moves radially and abuts against the surface of the axial limit mechanism, and the outer limit ball engages with the outer surface of the corresponding positioning component.

[0010] The present invention is further configured such that the positioning assembly includes an arc-shaped positioning plate, which is fixedly connected to the outer ring body, and a spherical positioning groove is provided on the outer surface of the arc-shaped positioning plate; a support ring groove corresponding one-to-one to the inner ring body is provided on the inner surface of the outer ring body, and a support ring is fixedly provided on the outer surface of the inner ring body, and the support ring is rotatably engaged with the corresponding support ring groove.

[0011] The present invention is further configured such that the radial limiting assembly also includes an arc-shaped fixing plate, which is fixedly connected to the inner ring body; a radial sliding hole is provided on the surface of the arc-shaped fixing plate, the radial rod passes through the radial sliding hole and slides with it, and an elastic element is fixedly provided on the outer surface of the arc-shaped fixing plate, and one end of the elastic element is fixedly connected to the corresponding magnetic limiting plate.

[0012] The present invention is further configured such that a first slideway connected to the annular cavity is provided on the outer surface of the magnetic locking ring body, the first slideway is provided in one-to-one correspondence with the radial opening and the two are connected, a second slideway is provided on the circumferential side of the U-shaped plate, the second slideway is connected to the corresponding first slideway, and the radial rod passes through the second slideway and the first slideway in sequence; an adjustment cavity is provided between the rectangular positioning ring and the corresponding radial opening, a third slideway is provided on the circumferential side of the rectangular positioning ring, and the third slideway is provided along the extension direction of the annular cavity.

[0013] The present invention is further configured such that an elastic sealing ring is fixedly provided on the inner wall of the inner ring body near the radial limit assembly, and an annular membrane sealing cavity is provided between the two inner ring bodies; an installation cavity connected to its interior is provided on the outer surface of the outer ring body, and the installation cavity is provided between the two support ring grooves, and both ends of the outer ring body are provided with axial screw holes connected to the installation cavity.

[0014] The present invention is further configured such that the interface sealing mechanism also includes a membrane sealing assembly; wherein, the membrane sealing assembly includes two axial spiral members arranged opposite to each other, the axial spiral members are threadedly engaged with the axial screw holes, a winding roller is rotatably connected inside the axial spiral members, and a film roll located inside the installation cavity is plugged in between the two winding rollers.

[0015] The present invention is further configured such that the axial limiting mechanism includes a semicircular limiting ring body, which is sleeved on the corresponding rubber hose, and the two semicircular limiting ring bodies are connected to form a circular limiting ring; and an axial limiting rod, which is inserted into the connecting hole on the corresponding flange plate, and a connecting magnet is provided at one end of the axial limiting rod, and the connecting magnets between the two axial limiting rods arranged opposite to each other are magnetically attracted to each other.

[0016] The present invention is further configured such that the outer surface of the semicircular limit ring body is respectively provided with an inner bevel opening and an outer bevel opening coaxial therewith, the outer bevel opening being arranged away from the side of the axial limit rod, and the inner bevel opening being arranged close to the side of the axial limit rod; when the inner pushing ball abuts against the surface of the outer bevel opening, the elastic sealing ring fits tightly on the surface of the outer bevel opening.

[0017] The present invention has the following beneficial effects:

[0018] 1. The present invention connects the flanges on the two hoses inside the interface sealing mechanism, squeezes and limits the flanges on both sides of the interface sealing mechanism through axial limit mechanisms, and then uses the extrusion force of the inner pushing ball on the outer bevel mouth of the axial limit mechanism to achieve the pushing and limiting of the two axial limit mechanisms, thereby achieving a tight connection between the two hoses by the entire interface connection structure. Compared with the screw connection method, it not only greatly improves the efficiency of the hose connection, but also increases the sealing when the two hoses are connected, effectively preventing water leakage at the hose joint.

[0019] 2. The present invention arranges an elastic sealing ring on the inner wall of the inner ring body, and arranges an inner bevel opening and an outer bevel opening on the circumferential side of the semicircular limiting ring body. The semicircular limiting ring body is axially moved to extrude the elastic sealing ring. After the inner bevel opening fits and extrudes the elastic sealing ring so that it crosses the elastic sealing ring, the elastic sealing ring is tightly fitted on the outer bevel opening on the circumferential side of the semicircular limiting ring body. The elastic sealing ring not only improves the sealing performance of the docking between the two flanges, but also realizes the axial limiting fixation of the two axial limiting mechanisms.

[0020] 3. When the outer ring body of the present invention is rotated, the film roll can be driven to wrap around the flange joint, so that the waterproof film is attached to the flange joint, further improving the sealing of the hose joint. When the two flanges are pulled out, the waterproof film in the annular membrane sealing cavity can be rolled up on the film roll by rotating the winding roller, thereby realizing the recycling and reuse of the waterproof film.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a diagram showing the coordinated use of the interface connection structure and the hose in the present invention.

[0024] Figure 2 for Figure 1 Schematic diagram of the internal structure of the interface connection structure.

[0025] Figure 3 for Figure 2 A magnified view of the local structure at point A.

[0026] Figure 4 It is a partial structural diagram of the interface connection structure in the present invention.

[0027] Figure 5 It is a structural schematic diagram of the interface sealing mechanism in the present invention.

[0028] Figure 6 for Figure 5 side view of the structure.

[0029] Figure 7 It is a structural schematic diagram of the bidirectional magnetic lock mechanism in the present invention.

[0030] Figure 8 for Figure 7 A magnified view of the local structure at point B in the middle.

[0031] Figure 9 for Figure 7 A structural cross-sectional view.

[0032] Figure 10 for Figure 5 Schematic diagram of part of the structure.

[0033] Figure 11 for Figure 10 side view of the structure.

[0034] Figure 12 Schematic diagram of the structure of the outer ring body in the present invention.

[0035] Figure 13 Schematic diagram of the structure of the membrane sealing component in the present invention.

[0036] Figure 14 It is a structural schematic diagram of the axial limiting mechanism in the present invention.

[0037] Figure 15 for Figure 14 The structural front view.

[0038] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0039] 1-Interface sealing mechanism, 11-Inner ring body, 12-Radial limiting assembly, 121-Radial rod, 122-Outer limiting ball, 123-Inner pushing ball, 124-Magnetic limiting plate, 125-Arc fixing plate, 126-Elastic element, 13-Outer ring body, 14-Arc positioning plate, 15-Spherical positioning groove, 16-Support ring groove, 17-Support ring, 18-Elastic sealing ring, 19-Annular membrane sealing cavity, 110-Installation cavity, 111-Axial screw hole, 2-Hose, 201- Flange, 3-bidirectional magnetic locking mechanism, 31-magnetic locking ring, 32-U-shaped plate, 33-annular cavity, 34-radial through port, 35-rectangular positioning ring, 36-first slide, 37-second slide, 38-adjusting cavity, 39-third slide, 4-axial limiting mechanism, 401-semicircular limiting ring, 402-axial limiting rod, 403-inner bevel port, 404-outer bevel port, 5-membrane sealing assembly, 501-axial spiral, 502-winding roller, 503-film winding cylinder. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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 any creative efforts shall fall within the scope of protection of the present invention. Specific embodiment 1

[0042] See also Figure 1-15 The present invention is an interface connection structure for hose docking, comprising an interface sealing mechanism 1, a bidirectional magnetic locking mechanism 3, and an axial limiting mechanism 4. The interface sealing mechanism 1 is used to connect two hoses 2, and the flange 201 on the end of the hose 2 is docked inside the interface sealing mechanism 1;

[0043] The bidirectional magnetic locking mechanism 3 is symmetrically arranged on both sides of the interface sealing mechanism 1, and the bidirectional magnetic locking mechanism 3 is rotationally connected to the interface sealing mechanism 1; the axial limiting mechanism 4 is arranged one-to-one with the bidirectional magnetic locking mechanism 3, and the axial limiting mechanism 4 is sleeved on the corresponding rubber hose 2 and the two axial limiting mechanisms 4 arranged opposite to each other are magnetically attracted; wherein,

[0044] The interface sealing mechanism 1 includes two inner ring bodies 11 arranged opposite to each other, and a plurality of radial limit assemblies 12 are fixedly provided in an annular direction on one end of the inner ring body 11. The radial limit assemblies 12 include an elastically resettable radial rod 121, an outer limit ball 122 is fixedly provided on one end of the radial rod 121, an inner push ball 123 is fixedly provided on the other end of the radial rod 121, and a magnetic limit plate 124 is fixedly provided on the circumferential side of the radial rod 121; an outer ring body 13 is rotatably connected to the outside of the inner ring body 11, and a plurality of positioning assemblies are fixedly provided in an annular direction on both opposite ends of the outer ring body 13, and the positioning assemblies are arranged in a one-to-one correspondence with the radial limit assemblies 12;

[0045] The bidirectional magnetic locking mechanism 3 includes a magnetic locking ring body 31 and a U-shaped plate 32. The magnetic locking ring body 31 is rotatably connected to the outer ring body 13, and the inner surface of the magnetic locking ring body 31 is clearance-matched with the outer surface of the inner ring body 11. The U-shaped plate 32 is fixedly arranged on the outer surface of the magnetic locking ring body 31, and a locking magnet is arranged on the inner surface of the U-shaped plate 32. An annular cavity 33 is provided on the inner surface of the magnetic locking ring body 31, and a radial opening 34 communicating with the annular cavity 33 is provided on the outer surface of the magnetic locking ring body 31. The radial opening 34 is arranged in a one-to-one correspondence with the U-shaped plate 32. A rectangular positioning ring 35 is fixedly arranged inside the annular cavity 33 and corresponds to the radial opening 34 in a one-to-one manner.

[0046] When the magnetic locking ring body 31 is rotated so that the U-shaped plate 32 moves to the corresponding magnetic limit plate 124, the magnetic repulsion force of the locking magnet inside the U-shaped plate 32 on the magnetic limit plate 124 drives the magnetic limit plate 124 to move radially to the inside of the rectangular positioning ring 35. At this time, the position locking of the magnetic locking ring body 31 is achieved. At this time, the inner pushing ball 123 moves radially and abuts against the surface of the axial limit mechanism 4, and the outer limit ball 122 is engaged on the outer surface of the corresponding positioning component, thereby simultaneously achieving the position locking of the outer ring body 13.

[0047] In this embodiment of the present invention, the positioning assembly includes an arc-shaped positioning plate 14, which is fixedly connected to the outer ring body 13, and a spherical positioning groove 15 is provided on the outer surface of the arc-shaped positioning plate 14; the inner surface of the outer ring body 13 is provided with a support ring groove 16 corresponding one-to-one to the inner ring body 11, and a support ring 17 is fixedly provided on the outer surface of the inner ring body 11, and the support ring 17 is rotatably matched with the corresponding support ring groove 16. Through this structural design, the outer ring body 13 can rotate along the circumference of the inner ring body 11.

[0048] The radial limit assembly 12 also includes an arc-shaped fixing plate 125, which is fixedly connected to the inner ring body 11; a radial sliding hole is provided on the surface of the arc-shaped fixing plate 125, and the radial rod 121 passes through the radial sliding hole and slides with it, and an elastic element 126 is fixedly provided on the outer surface of the arc-shaped fixing plate 125, and one end of the elastic element 126 is fixedly connected to the corresponding magnetic limit plate 124; when the magnetic locking ring body 31 is rotated so that the U-shaped plate 32 is rotated to the corresponding magnetic limit plate 124, the magnetic repulsive force causes the magnetic limit plate 124 to move radially toward the inside of the inner ring body 11. At this time, the elastic element 126 is compressed, and the magnetic limit plate 124 moves radially to the inside of the corresponding rectangular positioning ring 35, and the inner pushing ball 123 moves radially and abuts against the surface of the axial limit mechanism 4, thereby simultaneously realizing the position locking of the outer ring body 13 and the magnetic locking ring body 31.

[0049] In this embodiment of the present invention, the outer surface of the magnetic locking ring body 31 is provided with a first slide 36 connected to the annular cavity 33, and the first slide 36 is arranged in a one-to-one correspondence with the radial opening 34 and the two are connected. A second slide 37 is provided on the circumferential side of the U-shaped plate 32, and the second slide 37 is connected to the corresponding first slide 36. The radial rod 121 passes through the second slide 37 and the first slide 36 in sequence; through the above-mentioned specific structural design, in the process of rotating the magnetic locking ring body 31, the radial rod 121 slides inside the first slide 36, and when the radial rod 121 moves to the inside of the corresponding second slide 37, it can slide along the second slide 37. When the radial rod 121 slides to the middle position of the second slide 37, the locking magnet inside the U-shaped plate 32 is just facing the magnetic limit plate 124;

[0050] An adjustment cavity 38 is provided between the rectangular positioning ring 35 and the corresponding radial opening 34, and a third slide 39 is provided on the side surface of the rectangular positioning ring 35. The third slide 39 is provided along the extension direction of the annular cavity 33. Through the setting of the third slide 39, the rectangular positioning ring 35 will not interfere with the movement of the elastic element 126 when the radial rod 121 moves; when the magnetic locking ring body 31 is rotated so that the U-shaped plate 32 is rotated to the corresponding magnetic limit plate 124, the magnetic limit plate 124 moves radially toward the inner side of the inner ring body 11 until it is engaged with the inside of the rectangular positioning ring 35. When the magnetic limit plate 124 moves radially toward the outer side of the magnetic locking ring body 31 to the corresponding adjustment cavity 38, the U-shaped plate 32 can be separated from the corresponding magnetic limit plate 124 by rotating the magnetic locking ring body 31. Specific embodiment 2

[0052] On the basis of specific embodiment one, an elastic sealing ring 18 is fixedly provided on the inner wall of the inner ring body 11 near the radial limit assembly 12. When the axial limit mechanism 4 is inserted into the inner ring body 11, the elastic sealing ring 18 is tightly fitted with the circumference of the axial limit mechanism 4, so that the installation space between the two inner ring bodies 11 is further sealed. Under the elastic extrusion force of the elastic sealing ring 18, the sealing performance of the space between the two axial limit mechanisms 4 can be greatly improved. An annular membrane sealing cavity 19 is provided between the two inner ring bodies 11. By wrapping a waterproof membrane around the circumference of the annular membrane sealing cavity 19, the joints of the two flanges 201 can be further sealed. When water overflows from the joints of the two flanges 201, it will be adsorbed on the waterproof membrane, and then the waterproof membrane will be tightly attached to the joints of the flanges 201, so that the sealing effect on the joints of the flanges 201 is better. Specific embodiment three

[0054] On the basis of the specific embodiment 1, the outer surface of the outer ring body 13 is provided with a mounting cavity 110 connected to the interior thereof. The mounting cavity 110 is provided between the two supporting ring grooves 16 , and both ends of the outer ring body 13 are provided with axial screw holes 111 connected to the mounting cavity 110 ;

[0055] The interface sealing mechanism 1 also includes a membrane sealing component 5; wherein the membrane sealing component 5 includes two axial spiral members 501 arranged opposite to each other, the axial spiral members 501 are threadedly engaged with the axial screw holes 111, a winding roller 502 is rotatably connected inside the axial spiral member 501, and a film roll 503 located inside the installation cavity 110 is plugged and engaged between the two winding rollers 502; when the outer ring body 13 is rotated, the film roll 503 can be driven to wrap around the joint of the flange 201, so that the waterproof membrane is attached to the joint of the flange 201. When the two flanges 201 are pulled out, the waterproof membrane in the annular membrane sealing cavity 19 can be wound on the film roll 503 by rotating the winding roller 502, thereby realizing the recycling and reuse of the waterproof membrane.

[0056] In this embodiment of the present invention, the axial limiting mechanism 4 includes a semicircular limiting ring body 401 and an axial limiting rod 402. The semicircular limiting ring body 401 is sleeved on the corresponding hose 2, and the two semicircular limiting ring bodies 401 are connected to form a circular limiting ring; the axial limiting rod 402 is plugged into the connecting hole on the corresponding flange 201, and a connecting magnet is provided at one end of the axial limiting rod 402. The connecting magnets between the two relatively arranged axial limiting rods 402 are magnetically attracted to each other, thereby realizing the stable connection between the axial limiting mechanism 4 and the flange 201.

[0057] In this embodiment of the present invention, the outer surface of the semicircular limiting ring body 401 is respectively provided with an inner bevel opening 403 and an outer bevel opening 404 which are coaxial therewith. The outer bevel opening 404 is arranged away from the side of the axial limiting rod 402, and the inner bevel opening 403 is arranged close to the side of the axial limiting rod 402; when the inner pushing ball 123 abuts against the surface of the outer bevel opening 404, the elastic sealing ring 18 fits tightly on the surface of the outer bevel opening 404.

[0058] When the two relatively arranged flanges 201 are docked inside the annular membrane sealing cavity 19, the semicircular limiting ring body 401 is sleeved on the hose 2 and the axial limiting rod 402 is inserted into the mounting hole on the flange 201. In this process, the inner bevel mouth 403 is used to axially squeeze the elastic sealing ring 18, and the inner bevel mouth 403 is crossed over under the elastic force of the elastic sealing ring 18, thereby making the elastic sealing ring 18 tightly fit onto the outer bevel mouth 404. At this time, the magnetic locking ring body 31 is rotated to make the inner pushing ball 123 rest on the surface of the outer bevel mouth 404, thereby applying axial extrusion force to the semicircular limiting ring body 401, greatly improving the sealing performance of the entire interface connection structure. When the two hoses 2 need to be disassembled, the inner pushing ball 123 can be made to slide along the outer bevel mouth 404 to the inner bevel mouth 403 by pulling the two hoses 2 in the opposite direction, thereby realizing the separation of the entire interface connection structure from the two hoses 2.

[0059] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0060] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An interface connection structure for hose docking, characterized in that: include: An interface sealing mechanism (1), the interface sealing mechanism (1) is used to connect two rubber hoses (2), and the flanges (201) on the ends of the rubber hoses (2) are docked inside the interface sealing mechanism (1); A bidirectional magnetic locking mechanism (3), wherein the bidirectional magnetic locking mechanism (3) is symmetrically arranged on both sides of the interface sealing mechanism (1), and the bidirectional magnetic locking mechanism (3) is rotationally connected to the interface sealing mechanism (1); and An axial limiting mechanism (4), wherein the axial limiting mechanism (4) and the bidirectional magnetic locking mechanism (3) are arranged in a one-to-one correspondence, the axial limiting mechanism (4) is sleeved on the corresponding rubber hose (2), and the two axial limiting mechanisms (4) arranged opposite to each other are magnetically attracted to each other; wherein, The interface sealing mechanism (1) comprises: Two inner ring bodies (11) are arranged opposite to each other, and one end of the inner ring body (11) is fixedly provided with a plurality of radial limiting assemblies (12) in an annular direction. The radial limiting assembly (12) comprises an elastically resettable radial rod (121), one end of the radial rod (121) is fixedly provided with an outer limiting ball (122), the other end of the radial rod (121) is fixedly provided with an inner pushing ball (123), and a circumferential side surface of the radial rod (121) is fixedly provided with a magnetic limiting plate (124); and An outer ring body (13), the outer ring body (13) is sleeved on the outside of the inner ring body (11) and the two are rotatably connected, and a plurality of positioning components are fixedly arranged in an annular direction at both ends of the outer ring body (13), and the positioning components are arranged in a one-to-one correspondence with the radial limit components (12); The bidirectional magnetic locking mechanism (3) comprises: A magnetic locking ring body (31), wherein the magnetic locking ring body (31) is rotatably connected to the outer ring body (13), and the inner surface of the magnetic locking ring body (31) is clearance-matched with the outer surface of the inner ring body (11); and A U-shaped plate (32), wherein the U-shaped plate (32) is fixedly arranged on the outer surface of the magnetic locking ring body (31), and a locking magnet is arranged on the inner surface of the U-shaped plate (32); The inner surface of the magnetic locking ring body (31) is provided with an annular cavity (33), the outer surface of the magnetic locking ring body (31) is provided with a radial opening (34) communicating with the annular cavity (33), the radial opening (34) is provided in a one-to-one correspondence with the U-shaped plate (32), and a rectangular positioning ring (35) is fixedly provided inside the annular cavity (33) in a one-to-one correspondence with the radial opening (34); When the magnetic locking ring body (31) is rotated so that the U-shaped plate (32) moves to the corresponding magnetic limiting plate (124), the magnetic repulsive force of the locking magnet inside the U-shaped plate (32) on the magnetic limiting plate (124) drives the magnetic limiting plate (124) to move radially to the inside of the rectangular positioning ring (35). At this time, the inner pushing ball (123) moves radially and abuts against the surface of the axial limiting mechanism (4), and the outer limiting ball (122) is engaged with the outer surface of the corresponding positioning component.

2. The interface connection structure for hose docking according to claim 1, characterized in that: The positioning assembly comprises an arc-shaped positioning plate (14), the arc-shaped positioning plate (14) is fixedly connected to the outer ring body (13), and a spherical positioning groove (15) is provided on the outer surface of the arc-shaped positioning plate (14); The inner surface of the outer ring body (13) is provided with a support ring groove (16) corresponding to the inner ring body (11) one by one, and the outer surface of the inner ring body (11) is fixedly provided with a support ring (17), and the support ring (17) is rotatably matched with the corresponding support ring groove (16).

3. The interface connection structure for hose docking according to claim 1, characterized in that: The radial limiting assembly (12) further includes an arc-shaped fixing plate (125), wherein the arc-shaped fixing plate (125) is fixedly connected to the inner ring body (11); A radial sliding hole is provided on the surface of the arc-shaped fixing plate (125), and the radial rod (121) passes through the radial sliding hole and slides with the radial rod (121). An elastic element (126) is fixedly provided on the outer surface of the arc-shaped fixing plate (125), and one end of the elastic element (126) is fixedly connected to the corresponding magnetic limiting plate (124).

4. The interface connection structure for hose docking according to claim 1, characterized in that: The outer surface of the magnetic locking ring body (31) is provided with a first slideway (36) connected to the annular cavity (33), the first slideway (36) and the radial opening (34) are arranged in a one-to-one correspondence and are connected, the peripheral side of the U-shaped plate (32) is provided with a second slideway (37), the second slideway (37) is connected to the corresponding first slideway (36), and the radial rod (121) passes through the second slideway (37) and the first slideway (36) in sequence; An adjusting cavity (38) is provided between the rectangular positioning ring (35) and the corresponding radial opening (34). A third slideway (39) is provided on the peripheral side of the rectangular positioning ring (35). The third slideway (39) is provided along the extending direction of the annular cavity (33).

5. The interface connection structure for hose docking according to claim 2, characterized in that: An elastic sealing ring (18) is fixedly provided on the inner wall of the inner ring body (11) near the radial limiting assembly (12), and an annular membrane sealing cavity (19) is provided between the two inner ring bodies (11); The outer surface of the outer ring body (13) is provided with a mounting cavity (110) connected to the interior thereof, the mounting cavity (110) is arranged between the two supporting ring grooves (16), and both ends of the outer ring body (13) are provided with axial screw holes (111) connected to the mounting cavity (110).

6. The interface connection structure for hose docking according to claim 5, characterized in that: The interface sealing mechanism (1) further comprises a membrane sealing component (5); wherein, The film sealing assembly (5) includes two axial spiral members (501) arranged opposite to each other, the axial spiral members (501) are threadedly engaged with the axial screw hole (111), a winding roller (502) is rotatably connected inside the axial spiral member (501), and a film rolling cylinder (503) located inside the installation cavity (110) is plugged and engaged between the two winding rollers (502).

7. The interface connection structure for hose docking according to claim 5, characterized in that: The axial limiting mechanism (4) comprises: A semicircular limiting ring body (401), wherein the semicircular limiting ring body (401) is sleeved on the corresponding rubber hose (2), and the two semicircular limiting ring bodies (401) are connected to form a circular limiting ring; and An axial limiting rod (402) is inserted into a connecting hole on a corresponding flange (201), and a connecting magnet is provided at one end of the axial limiting rod (402). The connecting magnets between the two axial limiting rods (402) arranged opposite to each other are magnetically attracted to each other.

8. The interface connection structure for hose docking according to claim 7, characterized in that: The outer surface of the semicircular limiting ring body (401) is respectively provided with an inner bevel opening (403) and an outer bevel opening (404) coaxial therewith, the outer bevel opening (404) being arranged away from the side of the axial limiting rod (402), and the inner bevel opening (403) being arranged close to the side of the axial limiting rod (402); when the inner pushing ball (123) abuts against the surface of the outer bevel opening (404), the elastic sealing ring (18) is tightly fitted on the surface of the outer bevel opening (404).

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