PVC three-way pipe fitting structure

Abstract

The utility model discloses a PVC (polyvinyl chloride) three-way pipe fitting structure, which belongs to the technical field of three-way pipes, solves the problems that after an existing device is connected with an external PVC pipe, the external PVC pipe is easy to rotate in a sleeve under the action of external force, then the PVC pipe and the sleeve are abraded, the connection stability is reduced, and the PVC pipe is easy to fall off, and comprises a three-way pipe body, the end faces of the three connectors of the three-way pipe body are each provided with an inserting groove matched with an external PVC pipe, the external PVC pipe is movably arranged in the inserting grooves in a sleeved mode, the three connectors of the three-way pipe body are each provided with a connecting assembly, and after the external PVC pipe is inserted into the inserting grooves, the connecting assemblies are connected with the three connectors of the three-way pipe body. And the limiting rods penetrate through the limiting holes and are inserted into the clamping holes, so that the situation that the external PVC pipe rotates or translates in the three-way pipe body can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of three-way pipes, in particular to a PVC three-way pipe fitting structure. Background Art

[0002] The tee pipe has three openings, namely one inlet and two outlets; or two inlets and one outlet. The three openings of the tee pipe can be connected to an external PVC pipe.

[0003] In the application with patent application number CN202321218869.4, a PVC three-way pipe fitting structure is disclosed, including a three-way pipe body, on which a connecting assembly is arranged; the connecting assembly includes a rotating cylinder, a connecting pipe, a connecting pipe and a sleeve, three groups of rotating cylinders are arranged on the three-way pipe body, and a connecting pipe is arranged inside the three-way pipe body, a connecting pipe is installed at one end of the connecting pipe, a sleeve is installed at one end of the connecting pipe, a thread is arranged on the connecting pipe, and a threaded hole matching the thread is arranged at one end of the rotating cylinder.

[0004] Although the PVC three-way pipe fitting structure rotates the drum to control whether the sleeve contacts the outside of the PVC pipe, thereby achieving disassembly and assembly of the external PVC pipe, after the PVC three-way pipe fitting structure is connected to the external PVC pipe, the external PVC pipe is easily rotated inside the sleeve under the action of external force, which causes wear between the PVC pipe and the sleeve, thereby reducing the stability of the connection and easily causing the PVC pipe to fall off.

[0005] Therefore, we proposed a PVC three-way pipe fitting structure. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a PVC three-way pipe fitting structure, which solves the problem that after the prior device is connected to an external PVC pipe, the external PVC pipe is easily rotated inside the sleeve under the action of external force, which then causes wear between the PVC pipe and the sleeve, thereby reducing the stability of the connection and easily causing the PVC pipe to fall off.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a PVC three-way pipe fitting structure, including a three-way pipe body, the end faces of the three connecting ports of the three-way pipe body are provided with plug-in grooves matching the external PVC pipe, the external PVC pipe is movably sleeved inside the plug-in groove, and the three connecting ports of the three-way pipe body are provided with connecting components, the connecting components include a mounting pipe fixedly mounted on the surface of the three-way pipe body, the mounting pipe is connected to the plug-in groove, a connecting cover is sleeved on the mounting pipe, a limiting rod is fixedly mounted in the middle of the top surface of the connection cover, a clamping hole corresponding to the position of the mounting pipe is formed on the bottom surface of the plug-in groove, a limiting hole is formed at one end of the external PVC pipe plugged into the plug-in groove, and the limiting rod passes through the limiting hole and is plugged into the inside of the clamping hole.

[0008] Preferably, the diameters of the limiting rod, the clamping hole and the limiting hole are the same, so that the limiting rod can pass through and be inserted into the inside of the clamping hole, and leakage of liquid inside the three-way pipe body can be avoided.

[0009] Preferably, the outer surface of the mounting tube is provided with an external thread, the inner wall of the connecting cover is provided with an internal thread matching the external thread, and the connecting cover is threadedly sleeved on the outer surface of the mounting tube, so as to facilitate connecting the connecting cover and the mounting tube together, and then limit and fix the limiting rod.

[0010] Preferably, a first annular sealing gasket is fixedly installed on the top surface of the mounting tube, wherein the first annular sealing gasket is filled in the gap between the mounting tube and the connecting cover, thereby increasing the sealing between the mounting tube and the connecting cover and further avoiding the occurrence of liquid leakage inside the three-way tube body.

[0011] Preferably, a second annular sealing gasket is fixedly installed on the side wall of the plug-in slot, wherein the second annular sealing gasket is filled between the external PVC pipe and the side wall of the plug-in slot, thereby increasing the sealing performance between the external PVC pipe and the plug-in slot.

[0012] The utility model provides a PVC three-way pipe fitting structure, which has the following beneficial effects:

[0013] 1. The PVC three-way pipe fitting structure can complete the connection between the external PVC pipe and the three-way pipe body by inserting the external PVC pipe into the plug-in groove, and then passing the limiting rod through the limiting hole and inserting it into the clamping hole. The limiting rod can limit the external PVC pipe, which can prevent the external PVC pipe from rotating or translating inside the three-way pipe body, and avoid the friction between the external PVC pipe and the three-way pipe body, thereby achieving the purpose of increasing the connection stability between the external PVC pipe and the three-way pipe body, which is beneficial to preventing the external PVC pipe from falling off, and solves the problem that after the external PVC pipe is connected to the existing device, the external PVC pipe is easily rotated inside the sleeve under the action of external force, which then causes wear between the PVC pipe and the sleeve, thereby reducing the stability of the connection and easily causing the PVC pipe to fall off.

[0014] 2. The PVC three-way pipe structure can increase the sealing between the mounting pipe and the connecting cover by filling the first annular sealing gasket in the gap between the mounting pipe and the connecting cover, and can increase the sealing between the external PVC pipe and the side wall of the plug-in groove by filling the second annular sealing gasket between the external PVC pipe and the plug-in groove, which is beneficial to avoid liquid leakage inside the three-way pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the disassembly structure of the connection assembly of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the three-way pipe body connected to the external PVC pipe of the utility model;

[0018] Figure 4 It is a schematic diagram of the split structure of the three-way pipe body and the external PVC pipe of the utility model.

[0019] In the figure: 1. three-way pipe body; 11. plug-in slot; 12. snap-in hole; 2. connection assembly; 21. mounting pipe; 22. connection cover; 23. limit rod; 24. first annular sealing gasket; 3. second annular sealing gasket; 4. external PVC pipe; 41. limit hole. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] like Figure 1-4 As shown: it includes a three-way pipe body 1, and the end surfaces of the three connecting ports of the three-way pipe body 1 are all provided with plug-in grooves 11 matching the external PVC pipe 4, and the external PVC pipe 4 is movably sleeved inside the plug-in groove 11. The three connecting ports of the three-way pipe body 1 are all provided with connecting components 2, and the connecting components 2 include a mounting pipe 21 fixedly mounted on the surface of the three-way pipe body 1, the mounting pipe 21 is connected to the plug-in groove 11, and a connecting cover 22 is sleeved on the mounting pipe 21, and a limit rod is fixedly installed in the middle of the top surface of the inner part of the connecting cover 22 23, a clamping hole 12 is provided on the bottom surface of the plug-in slot 11 and is opposite to the mounting tube 21, a limiting hole 41 is provided at one end of the external PVC tube 4 plugged into the plug-in slot 11, a limiting rod 23 passes through the limiting hole 41 and is plugged into the inside of the clamping hole 12, the limiting rod 23, the clamping hole 12 and the limiting hole 41 have the same diameter, an external thread is provided on the outer surface of the mounting tube 21, an internal thread matching the external thread is provided on the inner wall of the connecting cover 22, and the connecting cover 22 is threadedly sleeved on the outer surface of the mounting tube 21.

[0023] By inserting the external PVC tube 4 into the plug-in groove 11, passing the limiting rod 23 through the limiting hole 41 and inserting it into the clamping hole 12, the connection between the external PVC tube 4 and the three-way tube body 1 can be completed, and the limiting rod 23 can limit the external PVC tube 4, which can prevent the external PVC tube 4 from rotating or translating inside the three-way tube body 1, and avoid the friction between the external PVC tube 4 and the three-way tube body 1, thereby achieving the purpose of increasing the connection stability between the external PVC tube 4 and the three-way tube body 1, which is beneficial to prevent the external PVC tube 4 from falling off.

[0024] Example 2

[0025] like Figure 2 and 4 As shown: a first annular sealing gasket 24 is fixedly installed on the top surface of the mounting tube 21, and a second annular sealing gasket 3 is fixedly installed on the side wall of the plug-in groove 11. The first annular sealing gasket 24 is filled in the gap between the mounting tube 21 and the connecting cover 22, so that the sealing between the mounting tube 21 and the connecting cover 22 can be increased. The second annular sealing gasket 3 is filled between the external PVC tube 4 and the side wall of the plug-in groove 11, so that the sealing between the external PVC tube 4 and the plug-in groove 11 can be increased, which is beneficial to avoid the occurrence of liquid leakage inside the three-way pipe body 1.

[0026] The working principle and use process of this utility model:

[0027] When using the present PVC three-way pipe fitting structure, first insert the external PVC pipe 4 into the inside of the plug-in groove 11, use a pencil to pass through the mounting tube 21 to draw a mark on the external PVC pipe 4, then pull out the external PVC pipe 4 and use an electric drill to open a limiting hole 41 on the external PVC pipe 4 that is opposite to the position of the mounting tube 21 and the clamping hole 12, then plug the external PVC pipe 4 into the inside of the plug-in groove 11, and make the limiting hole 41 relative to the position of the clamping hole 12 and the mounting tube 21, then pass the limiting rod 23 through the limiting hole 41 and plug it into the inside of the clamping hole 12, then thread the connecting cover 22 onto the outer surface of the mounting tube 21, the limiting rod 23 can be limited and fixed, and then the external PVC pipe 4 can be limited and fixed by the limiting rod 23, and the connection between the three-way pipe body 1 and the external PVC pipe 4 can be completed. When the external PVC pipe 4 needs to be disassembled, the connecting cover 22 can be unscrewed from the mounting tube 21, and then the limiting rod 23 can be pulled out to remove the external PVC pipe 4.

Claims

1. A PVC three-way pipe fitting structure, comprising a three-way pipe body (1), wherein the end surfaces of the three connecting ports of the three-way pipe body (1) are each provided with a plug-in groove (11) matching an external PVC pipe (4), and the external PVC pipe (4) is movably sleeved inside the plug-in groove (11); Features: The three connection ports of the three-way pipe body (1) are all provided with connection components (2); The connection assembly (2) comprises a mounting tube (21) fixedly mounted on the surface of the three-way pipe body (1); the mounting tube (21) is connected to the plug-in slot (11); a connection cover (22) is sleeved on the mounting tube (21); a limiting rod (23) is fixedly mounted in the middle of the top surface of the connection cover (22); a clamping hole (12) corresponding to the mounting tube (21) is provided on the bottom surface of the plug-in slot (11); a limiting hole (41) is provided at one end of the external PVC tube (4) plugged into the plug-in slot (11); the limiting rod (23) passes through the limiting hole (41) and is plugged into the inside of the clamping hole (12).

2. A PVC three-way pipe structure according to claim 1, characterized in that: The diameters of the limiting rod (23), the clamping hole (12) and the limiting hole (41) are the same.

3. A PVC three-way pipe structure according to claim 1, characterized in that: The outer surface of the installation tube (21) is provided with an external thread, the inner wall of the connection cover (22) is provided with an internal thread matching the external thread, and the connection cover (22) is threadedly sleeved on the outer surface of the installation tube (21).

4. A PVC three-way pipe structure according to claim 1, characterized in that: A first annular sealing gasket (24) is fixedly mounted on the top surface of the mounting tube (21).

5. The PVC three-way pipe structure according to claim 1, characterized in that: A second annular sealing gasket (3) is fixedly mounted on the side wall of the plug-in slot (11).

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