Metal hose connecting structure

Abstract

The utility model relates to the technical field of metal hose connection, in particular to a metal hose connection structure which can enable metal hoses to be connected more conveniently, effectively improve the connection efficiency of the metal hoses, enhance the connection sealing performance of the metal hoses, prevent leakage and improve the practicability. Comprising a first metal hose and a second metal hose, the left end of an inner sealing gasket abuts against a fixing ring, one end of the second metal hose is fixedly sleeved with a butt joint sleeve, a limiting table is integrally arranged on the outer side of the butt joint sleeve, external threads are arranged on the outer wall of the butt joint sleeve, the butt joint sleeve is sleeved with an outer sealing gasket, and a limiting ring is fixedly arranged on the inner wall of the butt joint sleeve; the limiting ring is fixedly connected with one end of the second metal hose, a butt joint sealing gasket is arranged in the butt joint sleeve and abuts against the limiting ring, the threaded sleeve is installed on the butt joint sleeve in a screwed mode through matching of the internal threads and the external threads, and the first metal hose is in butt joint with the second metal hose through matching of the threaded sleeve and the butt joint sleeve.

Description

Technical Field

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

[0002] Metal hose is one of the important connecting components in engineering technology. It is generally composed of a metal flexible pipe and a joint. The joint is mostly a flange structure. Two adjacent metal hoses can be docked with each other and the two flanges can be locked along the axial direction of the flange by bolts to achieve the connection between the two metal hoses.

[0003] However, in the above-mentioned connection method of the metal hose, it is necessary to tighten many bolts, generally six or more, which makes the metal hose inconvenient to connect and affects efficiency. In addition, the metal hose connection has poor sealing performance, is prone to leakage, and is not practical enough. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a metal hose connection structure that can make the connection of metal hoses more convenient, effectively improve the connection efficiency of metal hoses, enhance the sealing of metal hose connections, prevent leakage, and improve practicality.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a metal hose connection structure, comprising a metal hose one and a metal hose two, and also comprising a connecting mechanism for connecting the metal hose one and the metal hose two, the connecting mechanism comprising a threaded sleeve and a butt sleeve, a fixed sleeve on the outer wall of one side of the metal hose one is provided with a fixing ring, the threaded sleeve is rotatably mounted on the fixing ring, the inner wall of the threaded sleeve is provided with an internal thread, an inner sealing gasket is provided inside the threaded sleeve, the left end of the inner sealing gasket rests on the fixing ring, the butt sleeve is fixedly sleeved on one end of the metal hose two, a limit platform is integrally provided on the outer side of the butt sleeve, an external thread is provided on the outer wall of the butt sleeve, an external sealing gasket is sleeved on the butt sleeve, the external sealing gasket rests on the limit platform, a limit ring is fixedly provided on the inner wall of the butt sleeve, the limit ring is fixedly connected to one end of the metal hose two, a butt sealing gasket is provided inside the butt sleeve, and the butt sealing gasket rests on the limit ring, the threaded sleeve is screwed on the butt sleeve through the cooperation of the internal thread and the external thread, and the metal hose one is butt-jointed to the metal hose two through the cooperation of the threaded sleeve and the butt sleeve.

[0007] Preferably, a T-shaped guide ring is integrally fixed on the outer wall of the fixing ring, a T-shaped ring groove cooperating with the T-shaped guide ring is provided on the threaded sleeve, and the threaded sleeve is rotatably installed on the fixing ring through the cooperation between the T-shaped guide ring and the T-shaped ring groove.

[0008] Preferably, the fixing sleeve on the outer wall of the threaded sleeve is provided with an anti-slip sleeve.

[0009] Preferably, a plurality of groups of anti-slip protrusions are fixedly provided in a circular array on the outer wall of the anti-slip sleeve, and the plurality of groups of anti-slip protrusions and the anti-slip sleeve are an integrated structure.

[0010] Preferably, a frustum is fixedly connected between the right end of the limiting platform and the second metal hose, and the frustum and the limiting platform are an integrated structure.

[0011] The outer sealing gasket is placed on the butt joint sleeve and rests on the limit table, the butt joint sealing gasket is placed in the butt joint sleeve and rests on the limit ring, and then the inner thread and the outer thread are matched and the threaded sleeve is screwed, and the threaded sleeve is gradually screwed on the butt joint sleeve so that the right end of the threaded sleeve is tightly against the left end of the outer sealing gasket. At this time, the right end of the metal hose one is inserted into the butt joint sleeve and tightly rests on the butt joint sealing gasket, and the left end of the butt joint sleeve tightly rests against the right end of the inner sealing gasket, thereby completing the butt joint of the metal hose one and the metal hose two, replacing the original bolt butt joint method, and forming three seals through the inner sealing gasket, the outer sealing gasket and the butt joint sealing gasket, ensuring the sealing of the butt joint of the metal hose one and the metal hose two, thereby making the metal hose connection more convenient, effectively improving the connection efficiency of the metal hose, enhancing the sealing of the metal hose connection, not easy to leak, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an axonometric structural diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the front view of the utility model;

[0014] Figure 3 This is an axonometric cross-sectional structural diagram of the installation of the threaded sleeve and the metal hose in the utility model;

[0015] Figure 4 This is a left-side axonometric cross-sectional structural diagram of the second installation of the butt joint sleeve and the metal hose in the present invention;

[0016] Figure 5 This is a left-side axonometric structural diagram of the threaded sleeve in the present invention;

[0017] Figure 6 This is a schematic diagram of the left axonometric cross-sectional structure of the docking sleeve in the present invention;

[0018] Figure 7 This is a schematic diagram of the axonometric cross-sectional structure of the fixing ring in the present utility model;

[0019] Markings in the accompanying drawings: 1. Metal hose 1; 2. Metal hose 2; 3. Threaded sleeve; 4. Fixing ring; 5. Internal thread; 6. Internal sealing gasket; 7. Butt joint sleeve; 8. Limiting platform; 9. External thread; 10. External sealing gasket; 11. Limiting ring; 12. Butt joint sealing gasket; 13. T-type guide ring; 14. T-type ring groove; 15. Anti-slip sleeve; 16. Anti-slip protrusion; 17. Cone. DETAILED DESCRIPTION

[0020] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] Example

[0022] See also Figure 1-Figure 7 The utility model relates to a metal hose connection structure, comprising a metal hose 1 and a metal hose 2. A fixing sleeve is provided with a fixing ring 4 on the outer wall of one side of the metal hose 1, and a threaded sleeve 3 is rotatably mounted on the fixing ring 4. An internal thread 5 is provided on the inner wall of the threaded sleeve 3, and an inner sealing gasket 6 is arranged inside the threaded sleeve 3. The left end of the inner sealing gasket 6 rests on the fixing ring 4. A butt joint sleeve 7 is fixedly sleeved on one end of the metal hose 2. A limiting platform 8 is integrally provided on the outer side of the butt joint sleeve 7. An external thread 9 is provided on the outer wall of the butt joint sleeve 7. An external sealing gasket 10 is mounted on the butt joint sleeve 7. The external sealing gasket 10 rests on the limiting platform 8. A limiting ring 11 is fixedly provided on the inner wall of the butt joint sleeve 7. The limiting ring 11 is fixedly connected to one end of the metal hose 2. A butt joint sealing gasket 12 is arranged inside the butt joint sleeve 7, and the butt joint sealing gasket 12 rests on the limiting ring 11. The threaded sleeve 3 is screwed on the butt joint sleeve 7 through the cooperation of the internal thread 5 and the external thread 9. The metal hose 1 is butt-jointed to the metal hose 2 2 through the cooperation of the threaded sleeve 3 and the butt joint sleeve 7. When docking, the inner sealing gasket 6 is placed in the threaded sleeve 3, the outer sealing gasket 10 is put on the docking sleeve 7 and abuts against the limit platform 8, the docking sealing gasket 12 is placed in the docking sleeve 7 and abuts against the limit ring 11, then the internal thread 5 and the external thread 9 are matched and the threaded sleeve 3 is screwed, and the threaded sleeve 3 is gradually screwed onto the docking sleeve 7 so that the right end of the threaded sleeve 3 is tightly against the left end of the outer sealing gasket 10. At this time, the right end of the metal hose 1 is inserted into the docking sleeve 7 and tightly abuts against the docking sealing gasket 12, and the left end of the docking sleeve 7 is tightly against the right end of the inner sealing gasket 6, thereby completing the docking of the metal hose 1 and the metal hose 2, replacing the original bolt docking method, and forming three seals through the inner sealing gasket 6, the outer sealing gasket 10 and the docking sealing gasket 12, ensuring the sealing of the metal hose 1 and the metal hose 2, thereby making it more convenient to connect the metal hoses, effectively improving the connection efficiency of the metal hoses, enhancing the sealing of the metal hose connection, not easy to leak, and improving practicality.

[0023] A T-shaped guide ring 13 is integrally fixed on the outer wall of the fixing ring 4, and a T-shaped ring groove 14 is provided on the threaded sleeve 3 to cooperate with the T-shaped guide ring 13. The threaded sleeve 3 is rotatably installed on the fixing ring 4 through the cooperation of the T-shaped guide ring 13 and the T-shaped ring groove 14; by providing the T-shaped guide ring 13 and the T-shaped ring groove 14, the threaded sleeve 3 can only rotate on the fixing ring 4 without generating axial displacement, thereby effectively preventing the threaded sleeve 3 from detaching from the fixing ring 4.

[0024] The outer wall of the threaded sleeve 3 is fixed with an anti-slip sleeve 15 ; by providing the anti-slip sleeve 15 , the friction of the outer wall of the threaded sleeve 3 can be increased, so that the hand is not likely to slip when the threaded sleeve 3 is screwed.

[0025] The outer wall of the anti-slip sleeve 15 is fixed with multiple groups of anti-slip protrusions 16 in a circular array. The multiple groups of anti-slip protrusions 16 and the anti-slip sleeve 15 are an integrated structure. By providing the anti-slip protrusions 16, it is possible to further prevent the hand from slipping when rotating the threaded sleeve 3.

[0026] A frustum 17 is fixedly connected between the right end of the limit platform 8 and the metal hose 2. The frustum 17 and the limit platform 8 are an integrated structure. By providing the frustum 17, the connection surface between the butt joint sleeve 7 and the metal hose 2 can be increased, making the connection between the butt joint sleeve 7 and the metal hose 2 more firm and stable.

[0027] The utility model provides a metal hose connection structure, and its working principle is that when docking, the inner sealing gasket 6 is placed in the threaded sleeve 3, the outer sealing gasket 10 is put on the docking sleeve 7 and abuts against the limit platform 8, the docking sealing gasket 12 is placed in the docking sleeve 7 and abuts against the limit ring 11, and then the internal thread 5 and the external thread 9 are matched and the threaded sleeve 3 is screwed, and the threaded sleeve 3 is gradually screwed onto the docking sleeve 7 so that the right end of the threaded sleeve 3 is tightly against the left end of the outer sealing gasket 10. At this time, the right end of the metal hose 1 is inserted into the docking sleeve 7 and tightly abuts against the docking sealing gasket 12, and the left end of the docking sleeve 7 is tightly against the right end of the inner sealing gasket 6, thereby completing the docking of the metal hose 1 and the metal hose 2 2, replacing the original bolt docking method, and forming three seals through the inner sealing gasket 6, the outer sealing gasket 10 and the docking sealing gasket 12 to ensure the sealing of the docking of the metal hose 1 and the metal hose 2 2.

[0028] The metal hose connection structure of the present invention has an installation method, a connection method or a setting method, which are all common mechanical methods and can be implemented as long as they can achieve their beneficial effects.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A metal hose connection structure, comprising a metal hose 1 (1) and a metal hose 2 (2), characterized in that: Also included is a connecting mechanism for connecting the first metal hose (1) and the second metal hose (2); The connecting mechanism comprises a threaded sleeve (3) and a butt joint sleeve (7), a fixed sleeve on the outer wall of one side of the metal hose (1) is provided with a fixed ring (4), the threaded sleeve (3) is rotatably mounted on the fixed ring (4), an inner thread (5) is provided on the inner wall of the threaded sleeve (3), an inner sealing gasket (6) is provided inside the threaded sleeve (3), the left end of the inner sealing gasket (6) is against the fixed ring (4), the butt joint sleeve (7) is fixedly sleeved on one end of the metal hose (2), a limit platform (8) is integrally provided on the outer side of the butt joint sleeve (7), an outer thread (9) is provided on the outer wall of the butt joint sleeve (7), and the butt joint sleeve (7) is fixedly sleeved on one end of the metal hose (2). ) is provided with an outer sealing gasket (10), the outer sealing gasket (10) abuts against the limiting platform (8), a limiting ring (11) is fixedly provided on the inner wall of the butt joint sleeve (7), the limiting ring (11) is fixedly connected to one end of the metal hose 2 (2), a butt joint sealing gasket (12) is provided inside the butt joint sleeve (7), and the butt joint sealing gasket (12) abuts against the limiting ring (11), the threaded sleeve (3) is screwed on the butt joint sleeve (7) through the cooperation of the internal thread (5) and the external thread (9), and the metal hose 1 (1) is butt jointed on the metal hose 2 (2) through the cooperation of the threaded sleeve (3) and the butt joint sleeve (7).

2. A metal hose connection structure according to claim 1, characterized in that: A T-shaped guide ring (13) is integrally fixed on the outer wall of the fixing ring (4); a T-shaped ring groove (14) is provided on the threaded sleeve (3) and is matched with the T-shaped guide ring (13); and the threaded sleeve (3) is rotatably mounted on the fixing ring (4) through the matching of the T-shaped guide ring (13) and the T-shaped ring groove (14).

3. A metal hose connection structure according to claim 2, characterized in that: An anti-slip sleeve (15) is fixed on the outer wall of the threaded sleeve (3).

4. A metal hose connection structure according to claim 3, characterized in that: A plurality of groups of anti-slip protrusions (16) are fixedly provided in a circular array on the outer wall of the anti-slip sleeve (15), and the plurality of groups of anti-slip protrusions (16) and the anti-slip sleeve (15) are an integrated structure.

5. A metal hose connection structure according to claim 4, characterized in that: A frustum (17) is fixedly connected between the right end of the limiting platform (8) and the second metal hose (2), and the frustum (17) and the limiting platform (8) are an integrated structure.

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