Bent pipe dismounting and mounting structure

Abstract

The utility model discloses an elbow dismounting structure which comprises an elbow body, the outer surface of one end of the elbow body is fixedly sleeved with a positioning sleeve, the outer surface of the positioning sleeve is provided with an annular sliding groove, and the inner wall of the annular sliding groove is slidably connected with arc-shaped sliding blocks distributed in an annular array. The outer surfaces of the multiple arc-shaped sliding blocks are fixedly connected with rotating sleeves, and the inner walls of the rotating sleeves are rotationally connected with the outer surfaces of the positioning sleeves in a sleeved mode. And fluid in the straight pipe body can be automatically blocked before mounting and after dismounting, operation is convenient and fast, and the daily use effect of nearby residents is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe connection, in particular to a bent pipe disassembly and assembly structure. Background Art

[0002] In daily life, there are various pipes. Pipes are used for water supply, drainage, gas supply, and heating, among other purposes. During pipeline construction, both straight pipes and elbows are used, which involves connecting straight pipes and elbows. Elbows are pipe fittings that change the direction of a pipeline. The three most commonly used angles are 45°, 90°, and 180°. Other non-standard angles, such as 60°, can also be used depending on the project requirements. Bends are made of cast iron, stainless steel, alloy steel, malleable cast iron, and carbon steel.

[0003] When connecting existing curved pipes to straight pipes, welding and hot-melt connections are usually used according to the pipe material. Although these two methods provide a strong connection, scars will be left at the joint, affecting the appearance. The connection cannot be changed after it is connected. In addition, when connecting the curved pipes, the main valve needs to be closed to block the fluid in the pipe. The residual fluid in the pipe will seep out, affecting the installation. The operation is not only cumbersome, but also easily affects the daily use of nearby residents. Utility Model Content

[0004] The purpose of the utility model is to provide a bent pipe disassembly and assembly structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a bend pipe disassembly and assembly structure, comprising a bend pipe body, a positioning sleeve fixedly sleeved on the outer surface of one end of the bend pipe body, an annular groove being formed on the outer surface of the positioning sleeve, an arc-shaped slider distributed in an annular array being slidably connected to the inner wall of the annular groove, a plurality of the arc-shaped sliders being fixedly connected to the outer surfaces of the plurality of the arc-shaped sliders, the inner wall of the rotating sleeve being rotatably sleeved on the outer surface of the positioning sleeve;

[0006] The outer surface of the rotating sleeve is provided with a sealing device, and the sealing device includes a hexagonal block, and the inner wall of the hexagonal block is fixedly sleeved with the outer surface of the rotating sleeve.

[0007] Preferably, an annular mounting groove is provided at one end of the rotating sleeve, a sealing gasket is provided on the inner wall of the annular mounting groove, and an externally threaded sleeve is threadedly connected to the inner wall of one end of the rotating sleeve.

[0008] Preferably, one end of the externally threaded sleeve contacts one side surface of the sealing gasket, a straight pipe body is fixedly sleeved on the inner wall of the externally threaded sleeve, and a first positioning ring is fixedly sleeved on the inner wall of the straight pipe body.

[0009] Preferably, a ring-shaped sealing gasket is fixedly connected to one side surface of the first positioning ring, a second positioning ring is fixedly sleeved on the inner wall of the straight tube body, and a support spring is fixedly connected to one side surface of the second positioning ring.

[0010] Preferably, one end of the support spring is fixedly connected to a rubber sealing ball, the inner wall of the curved pipe body is fixedly sleeved with a third positioning ring, and one side surface of the third positioning ring is fixedly connected to a flow guide pipe.

[0011] Preferably, one end of the guide tube passes through and extends to one side surface of the annular sealing gasket, and the outer surface of the guide tube is movably connected to the inner wall of the first positioning ring.

[0012] Preferably, one end of the guide tube contacts the outer surface of the rubber sealing ball, and the outer surface of one end of the guide tube is provided with guide grooves distributed in a ring array.

[0013] Compared with the existing technology, the beneficial effect of the present invention is that the sealing device facilitates the connection and disassembly of the curved pipe body and the straight pipe body, and automatically seals the fluid in the straight pipe body before and after installation, which is easy to operate and does not affect the daily use of nearby residents. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a three-dimensional diagram of the elbow body structure of a elbow disassembly and assembly structure proposed by the utility model;

[0016] Figure 3 This is a three-dimensional diagram of the straight pipe body structure of a bent pipe disassembly and assembly structure proposed by the utility model;

[0017] Figure 4 This is an exploded view of the positioning collar structure of the elbow disassembly and assembly structure proposed by the utility model.

[0018] In the figure: 1. Bend pipe body; 2. Positioning sleeve; 3. Annular slide groove; 4. Arc slider; 5. Rotating sleeve; 6. Hexagonal block; 61. Annular mounting groove; 62. Sealing gasket; 63. Externally threaded sleeve; 64. Straight pipe body; 65. First positioning ring; 66. Annular sealing gasket; 67. Second positioning ring; 68. Support spring; 69. Rubber sealing ball; 610. Third positioning ring; 611. Guide pipe; 612. Guide groove. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1-4 The utility model provides a technical solution: a bend pipe disassembly and assembly structure, comprising a bend pipe body 1, a positioning sleeve 2 fixedly sleeved on the outer surface of one end of the bend pipe body 1, an annular slide 3 is provided on the outer surface of the positioning sleeve 2, an arc-shaped slider 4 distributed in an annular array is slidably connected to the inner wall of the annular slide 3, a plurality of arc-shaped sliders 4 are fixedly connected to the outer surfaces of the plurality of arc-shaped sliders 4, and the inner wall of the rotating sleeve 5 is rotatably sleeved with the outer surface of the positioning sleeve 2;

[0021] The outer surface of the rotating sleeve 5 is provided with a sealing device, and the sealing device includes a hexagonal block 6 , the inner wall of the hexagonal block 6 is fixedly sleeved with the outer surface of the rotating sleeve 5 .

[0022] Furthermore, an annular mounting groove 61 is provided at one end of the rotating sleeve 5, and a sealing gasket 62 is provided on the inner wall of the annular mounting groove 61. An externally threaded sleeve 63 is threadedly connected to the inner wall of one end of the rotating sleeve 5. The annular groove 3 and the arc-shaped slider 4 are used in conjunction to enable the rotating sleeve 5 to position the rotating rod. An internal thread is provided on the inner wall of one end of the rotating sleeve 5.

[0023] Furthermore, one end of the external threaded sleeve 63 contacts one side surface of the sealing gasket 62, the inner wall of the external threaded sleeve 63 is fixedly sleeved with a straight tube body 64, and the inner wall of the straight tube body 64 is fixedly sleeved with a first positioning ring 65. The external threaded sleeve 63 is in extrusion contact with the sealing gasket 62, thereby improving the sealing performance.

[0024] Furthermore, an annular sealing gasket 66 is fixedly connected to one side surface of the first positioning ring 65, a second positioning ring 67 is fixedly sleeved on the inner wall of the straight tube body 64, and a support spring 68 is fixedly connected to one side surface of the second positioning ring 67. The first positioning ring 65 plays a role in positioning and supporting the annular sealing gasket 66.

[0025] Furthermore, one end of the support spring 68 is fixedly connected to a rubber sealing ball 69, and a third positioning ring 610 is fixedly sleeved on the inner wall of the bent pipe body 1. A side surface of the third positioning ring 610 is fixedly connected to a guide tube 611. The reset elastic force of the support spring 68 drives the rubber sealing ball 69 to reset and move.

[0026] Furthermore, one end of the guide tube 611 passes through and extends to one side surface of the annular sealing gasket 66 , and the outer surface of the guide tube 611 is movably connected to the inner wall of the first positioning ring 65 , and the guide tube 611 serves to connect the fluids of the two pipelines.

[0027] Furthermore, one end of the guide tube 611 contacts the outer surface of the rubber sealing ball 69, and the outer surface of one end of the guide tube 611 is provided with guide grooves 612 distributed in a ring array. The guide tube 611 squeezes the rubber sealing ball 69, so that the fluid enters the guide tube 611 through the guide grooves 612 for transportation.

[0028] The sealing device facilitates the connection and disassembly of the curved pipe body 1 and the straight pipe body 64, and automatically seals the fluid in the straight pipe body 64 before and after installation. The operation is convenient and does not affect the daily use of nearby residents.

[0029] Working principle: Step 1. During installation, the hexagonal block 6 is rotated by an external tool. The hexagonal block 6 drives the rotating sleeve 5 to rotate and position through the cooperation of the arc-shaped slider 4 and the annular slide groove 3. The rotation of the rotating sleeve 5 drives the externally threaded sleeve 63 to move. At this time, it is necessary to limit the bent pipe body 1 and the straight pipe body 64 to avoid self-rotation. The straight pipe body 64 is driven to move by the movement of the externally threaded sleeve 63. When one end of the externally threaded sleeve 63 moves to squeeze and contact with the sealing gasket 62 for sealing, the rotation of the hexagonal block 6 is stopped.

[0030] Step 2: By moving the straight pipe body 64, one end of the guide tube 611 is inserted into the straight pipe body 64, and the rubber sealing ball 69 is squeezed to separate the seal with the annular sealing gasket 66. At this time, the support spring 68 contracts, and the fluid enters the guide tube 611 through the guide groove 612 and is then transported to the interior of the curved pipe body 1;

[0031] Step three, during disassembly, the hexagonal block 6 is driven to rotate in the opposite direction by an external tool, thereby driving the external threaded sleeve 63 to drive the straight tube body 64 to move in the opposite direction and separate from the rotating sleeve 5. When the straight tube body 64 moves in the opposite direction, the squeezing of the rubber sealing ball 69 by the guide tube 611 will gradually disappear. When the external threaded sleeve 63 is separated from the rotating sleeve 5, the elastic force of the support spring 68 drives the rubber sealing ball 69 to reset, so that its outer surface is squeezed and sealed with the annular sealing gasket 66, thereby blocking the fluid in the straight tube body 64.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bend pipe disassembly and assembly structure, comprising a bend pipe body (1), characterized in that: A positioning sleeve (2) is fixedly sleeved on the outer surface of one end of the curved pipe body (1); an annular sliding groove (3) is provided on the outer surface of the positioning sleeve (2); an arc-shaped slider (4) distributed in an annular array is slidably connected to the inner wall of the annular sliding groove (3); a plurality of arc-shaped sliders (4) are fixedly connected to the outer surfaces of each of the rotating sleeves (5); the inner wall of the rotating sleeve (5) is rotatably sleeved on the outer surface of the positioning sleeve (2); The outer surface of the rotating sleeve (5) is provided with a sealing device, and the sealing device comprises a hexagonal block (6), and the inner wall of the hexagonal block (6) is fixedly sleeved with the outer surface of the rotating sleeve (5).

2. The elbow assembly and disassembly structure according to claim 1, characterized in that: An annular mounting groove (61) is provided at one end of the rotating sleeve (5), a sealing gasket (62) is provided on the inner wall of the annular mounting groove (61), and an externally threaded sleeve (63) is threadedly connected to the inner wall of one end of the rotating sleeve (5).

3. The elbow assembly and disassembly structure according to claim 2, characterized in that: One end of the externally threaded sleeve (63) contacts a side surface of the sealing gasket (62), the inner wall of the externally threaded sleeve (63) is fixedly sleeved with a straight tube body (64), and the inner wall of the straight tube body (64) is fixedly sleeved with a first positioning ring (65).

4. The elbow assembly and disassembly structure according to claim 3, characterized in that: A ring-shaped sealing gasket (66) is fixedly connected to one side surface of the first positioning ring (65), a second positioning ring (67) is fixedly sleeved on the inner wall of the straight tube body (64), and a support spring (68) is fixedly connected to one side surface of the second positioning ring (67).

5. The elbow assembly and disassembly structure according to claim 4, characterized in that: One end of the support spring (68) is fixedly connected to a rubber sealing ball (69); the inner wall of the curved pipe body (1) is fixedly sleeved with a third positioning ring (610); and one side surface of the third positioning ring (610) is fixedly connected to a flow guide pipe (611).

6. The elbow assembly and disassembly structure according to claim 5, characterized in that: One end of the guide tube (611) passes through and extends to a side surface of the annular sealing gasket (66), and the outer surface of the guide tube (611) is movably sleeved with the inner wall of the first positioning ring (65).

7. The elbow assembly and disassembly structure according to claim 5, characterized in that: One end of the guide tube (611) contacts the outer surface of the rubber sealing ball (69), and the outer surface of one end of the guide tube (611) is provided with guide grooves (612) distributed in a ring array.

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