High-strength rail transit three-way connector

Abstract

The utility model belongs to the technical field of pipe fitting connecting joints, and particularly relates to a high-strength rail transit three-way joint which comprises a shell, a first ball is arranged in the shell, a second ball is arranged in the first ball, and a first pipeline and a second pipeline are arranged on the two sides of the first ball respectively. Connecting pieces are arranged at the ends, deviating from each other, of the first pipeline and the second pipeline correspondingly, internal threads and rotating rings are arranged in the connecting pieces, pipe bodies are arranged in the rotating rings, and second fixing bolts are arranged at the upper ends and the lower ends of the connecting pieces correspondingly. By arranging the first ball body and the second ball body, the second ball body is rotated by rotating the main pipeline during use, so that the through holes in the two sides are moved, the first ball body is matched with the second ball body, and the opening sizes of the through holes are adjusted, so that the speed of internal fluid is conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe connection joints, in particular to a high-strength rail transit three-way joint. Background Art

[0002] Tee is a pipe fitting, pipe connector. It is also called pipe tee or tee pipe fitting, tee joint, used at the branch pipe of the main pipeline. Tee is a chemical pipe fitting with three openings, namely one inlet and two outlets; or two inlets and one outlet. There are T-shaped and Y-shaped, with equal diameter pipe openings and different diameter pipe openings. It is used at the confluence of three identical or different pipelines. The main function of the tee is to change the direction of the fluid.

[0003] The prior art has the following problems:

[0004] When using existing three-way assemblies, since their internal diameters are mostly fixed, it is difficult to control the flow rate of the internal fluid. When the size needs to be adjusted, it is often necessary to go to the main valve for adjustment, which is inconvenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-strength rail transit three-way joint, which solves the problem that when the existing three-way components are in use, since their internal inner diameters are mostly fixed, it is difficult to control the flow speed of the internal fluid. When the size needs to be adjusted, it is often necessary to go to the main valve for adjustment, which is inconvenient to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength rail transit three-way joint, comprising an outer shell, a first sphere is provided inside the outer shell, a second sphere is provided inside the first sphere, a first pipe and a second pipe are provided on both sides of the first sphere, respectively, and connecting pieces are provided at the ends of the first pipe and the second pipe that are opposite to each other, the connecting piece is provided with an internal thread and a swivel inside, a pipe body is provided inside the swivel, second fixing bolts are provided at the upper and lower ends of the connecting piece, the outer surface of the second sphere is fitted with the inner surface of the first sphere, and is rotatably connected, the top of the second sphere is fixedly installed with the main pipe, and the two sides of the second sphere are connected to each other, and through holes are respectively opened on both sides of the second sphere.

[0007] As a preferred technical solution of the utility model, the top of the main pipe extends to the top of the outer shell, and the connecting pipe is rotatably installed, and multiple groups of sliders are fixedly installed on the outside of one end of the main pipe close to the second sphere, and a slide groove matching the slider is opened at the position of the slider inside the outer shell, and a first fixing bolt is threadedly installed at the position of the slide groove on the top of the outer shell, and the bottom of the first fixing bolt extends to the inside of the slide groove and fits with the slider.

[0008] As a preferred technical solution of the utility model, the internal thread is arranged at one end of the connecting piece close to the first pipe and the second pipe, the swivel is rotatably installed at the end of the connecting piece away from the internal thread, and a plurality of groups of grooves are provided on the inner wall of the end of the swivel away from the internal thread. The second fixing bolt is threadedly installed on the connecting piece corresponding to the position of the swivel, and extends to the interior of the connecting piece to fit with the outer surface of the swivel.

[0009] As a preferred technical solution of the utility model, multiple groups of protrusions adapted to the grooves are fixedly installed on the outer side of the tube body, and one end of the tube body close to the first pipe and the second pipe is respectively threadedly connected with the internal thread.

[0010] Compared with the prior art, the utility model provides a high-strength rail transit three-way joint, which has the following beneficial effects:

[0011] 1. This high-strength rail transit three-way joint is provided with a first sphere and a second sphere. When in use, the second sphere is rotated by rotating the main pipeline, thereby moving the through holes on both sides, and the first sphere and the second sphere are matched and the opening size of the through hole is adjusted, so as to facilitate the adjustment of the internal fluid speed.

[0012] 2. This high-strength rail transit tee joint, when connecting, inserts the protrusion into the inside of the groove and installs the pipe body thread inside the connecting piece. After the installation is completed, the second fixing bolt is rotated so that the bottom of the second fixing bolt is tightly fitted with the outer surface of the swivel to prevent the swivel from rotating, thereby preventing the pipe body from rotating and falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the housing of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the connection between the second pipeline and the pipe body of the utility model;

[0016] Figure 4 It is a schematic diagram of the side cross-sectional structure of the shell of the utility model.

[0017] In the figure: 1, outer shell; 2, first sphere; 3, second sphere; 4, main pipe; 5, first pipe; 6, second pipe; 7, slider; 8, slide groove; 9, connecting piece; 10, internal thread; 11, swivel; 12, groove; 13, pipe body; 14, bump; 15, first fixing bolt; 16, second fixing bolt; 17, connecting pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 In this embodiment: a high-strength rail transit three-way joint comprises an outer shell 1, a first sphere 2 is arranged inside the outer shell 1, a second sphere 3 is arranged inside the first sphere 2, so as to facilitate the adjustment of the opening size of the through hole, a first pipe 5 and a second pipe 6 are arranged on both sides of the first sphere 2, respectively, and a connecting piece 9 is arranged at the opposite ends of the first pipe 5 and the second pipe 6, respectively, an internal thread 10 and a swivel 11 are arranged inside the connecting piece 9, a tube body 13 is arranged inside the swivel 11, and second fixing bolts 16 are arranged at the upper and lower ends of the connecting piece 9 to fix the swivel 11.

[0020] In this embodiment, the outer surface of the second sphere 3 fits with the inner surface of the first sphere 2 and is rotatably connected. The main pipe 4 is fixedly installed on the top of the second sphere 3 and is connected to each other. Through holes are respectively opened on both sides of the second sphere 3; the top of the main pipe 4 extends to the top of the shell 1, and the connecting pipe 17 is rotatably installed. Multiple groups of sliders 7 are fixedly installed on the outer side of one end of the main pipe 4 close to the second sphere 3. The position of the inner part of the shell 1 corresponding to the slider 7 is provided with a slide groove 8 adapted to the slider 7. The top of the shell 1 corresponds to the position of the slide groove 8 and is threadedly installed with a first fixing bolt 15. The bottom of the first fixing bolt 15 extends to the inside of the slide groove 8 and fits with the slider 7. When in use, the second sphere 3 is rotated by rotating the main pipe 4, thereby moving the through holes on both sides, and adjusting the opening size of the through holes by matching the first sphere 2 and the second sphere 3, so as to facilitate the adjustment of the internal fluid velocity; the internal thread 10 It is arranged at one end of the connecting piece 9 close to the first pipe 5 and the second pipe 6, and the swivel 11 is rotatably installed at the end of the connecting piece 9 away from the internal thread 10. The inner wall of the end of the swivel 11 away from the internal thread 10 is provided with multiple groups of grooves 12, and the second fixing bolt 16 is threadedly installed on the connecting piece 9 corresponding to the position of the swivel 11, and extends to the inside of the connecting piece 9 and fits with the outer surface of the swivel 11; multiple groups of protrusions 14 adapted to the grooves 12 are fixedly installed on the outer side of the tube body 13, and one end of the tube body 13 close to the first pipe 5 and the second pipe 6 is threadedly connected with the internal thread 10 respectively. When connecting, the protrusion 14 is inserted into the inside of the groove 12, and the tube body 13 is threadedly installed in the inside of the connecting piece 9. After the installation is completed, the bottom of the second fixing bolt 16 is tightly fitted with the outer surface of the swivel 11 by rotating the second fixing bolt 16 to prevent the swivel 11 from rotating, thereby preventing the tube body 13 from rotating and causing it to fall off.

[0021] The working principle and use process of the utility model are as follows: the operator connects the first pipe 5 and the second pipe 6 with the pipe body 13 respectively, and installs the pipe body 13 with threads inside the connecting piece 9. After the installation is completed, the second fixing bolt 16 is rotated so that the bottom of the second fixing bolt 16 is tightly fitted with the outer surface of the swivel 11 to prevent the swivel 11 from rotating, thereby preventing the pipe body 13 from rotating and falling off. When in use, the main pipe 4 is rotated to rotate the second sphere 3, thereby moving the through holes on both sides, and the first sphere 2 and the second sphere 3 are matched and the opening size of the through hole is adjusted, so as to facilitate the adjustment of the internal fluid velocity.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-strength rail transit three-way joint, characterized in that: The invention comprises an outer shell (1), wherein a first sphere (2) is arranged inside the outer shell (1), wherein a second sphere (3) is arranged inside the first sphere (2), wherein a first pipe (5) and a second pipe (6) are arranged on both sides of the first sphere (2), wherein connecting pieces (9) are arranged at opposite ends of the first pipe (5) and the second pipe (6), wherein an internal thread (10) and a swivel (11) are arranged inside the connecting piece (9), wherein a pipe body (13) is arranged inside the swivel (11), wherein second fixing bolts (16) are arranged at the upper and lower ends of the connecting piece (9), wherein the outer surface of the second sphere (3) is fitted with the inner surface of the first sphere (2) and is rotatably connected thereto, wherein a main pipe (4) is fixedly mounted on the top of the second sphere (3) and the two pipes are connected to each other, and through holes are respectively opened on both sides of the second sphere (3).

2. A high-strength rail transit three-way joint according to claim 1, characterized in that: The top of the main pipe (4) extends to the top of the outer shell (1) and is rotatably installed with a connecting pipe (17); a plurality of sets of sliders (7) are fixedly installed on the outer side of one end of the main pipe (4) close to the second sphere (3); a slide groove (8) adapted to the slider (7) is provided at a position corresponding to the slider (7) inside the outer shell (1); a first fixing bolt (15) is threadedly installed at a position corresponding to the slide groove (8) at the top of the outer shell (1); the bottom of the first fixing bolt (15) extends to the inside of the slide groove (8) and fits with the slider (7).

3. A high-strength rail transit three-way joint according to claim 1, characterized in that: The internal thread (10) is arranged at one end of the connecting member (9) close to the first pipe (5) and the second pipe (6); the swivel (11) is rotatably mounted at one end of the connecting member (9) away from the internal thread (10); a plurality of grooves (12) are arranged on the inner wall of the end of the swivel (11) away from the internal thread (10); the second fixing bolt (16) is threadedly mounted on the connecting member (9) corresponding to the position of the swivel (11) and extends to the interior of the connecting member (9) to fit with the outer surface of the swivel (11).

4. A high-strength rail transit three-way joint according to claim 1, characterized in that: A plurality of groups of protrusions (14) adapted to the grooves (12) are fixedly mounted on the outer side of the tube body (13), and one end of the tube body (13) close to the first pipe (5) and the second pipe (6) is threadedly connected to the internal threads (10) respectively.

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