Anti-crack leakage-proof insert for pipe fitting

Abstract

The utility model relates to the technical field of pipe fitting structures, and discloses an anti-crack leakage-proof insert for a pipe fitting, which comprises a metal pipe, a mounting mechanism arranged on the inner side of the metal pipe and used for being connected with a pipeline, and a fixing mechanism arranged on the outer side of the metal pipe and used for fixing the position of the metal pipe. During use, a user can connect the outer pipe, the sleeve and a pipeline through the second internal threads and the second external threads, then the two inner pipes are installed in the metal pipe, the fixing plate can be inserted into the groove in the inner side of the metal pipe at the moment, and the sealing convex ring at the bottom of the fixing plate can be inserted into the inner groove in the inner side of the metal pipe; and at the moment, the two pipelines are connected with the metal pipe, so that a user can conveniently carry out segmented installation, meanwhile, the connection sealing performance between the pipelines is improved, the joints of the pipelines can be wrapped, and therefore the problem of leakage caused by cracking at the ports of the pipelines is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting structures, and in particular to an anti-cracking and anti-leakage insert for a pipe fitting. Background Art

[0002] Pipe inserts are an important component of connecting pipes and are used to connect, divert or divert pipes to meet the needs of different engineering projects.

[0003] The Chinese utility model patent application number: CN201922021908.1 discloses a metal insert for pipe fittings, comprising a metal insert body, wherein the outer wall of the metal insert body is provided with at least one annular protrusion along the circumferential direction near one end, and each annular protrusion is provided with a plurality of first grooves, and the opening of the first groove faces the end. The metal insert for pipe fittings disclosed in the utility model can solve the problem of the metal insert being separated from the plastic part when the torque and tension are too large.

[0004] However, when the above technical solution is used, although it achieves the effect of regional structural strength and there is no need to worry about the risk of falling out, the contact area at the connection port is small during use, which is easy to cause rupture during installation, thereby causing leakage problems. Utility Model Content

[0005] The purpose of the utility model is to provide a crack-resistant and leak-proof insert for pipe fittings, so as to solve the problem in the prior art that although the above technical solution achieves the effect of regional structural strength and there is no risk of falling out when in use, the contact area at the connecting port is small during use, which is easy to cause cracks during installation, thereby causing leakage.

[0006] The utility model provides the following technical solution: an anti-crack and anti-leakage insert for pipe fittings, comprising a metal pipe, an installation mechanism for connecting with a pipeline is arranged on the inner side of the metal pipe, and a fixing mechanism for fixing the position of the metal pipe is arranged on the outer side of the metal pipe.

[0007] As an optimization of the above technical solution, the installation mechanism includes two symmetrically distributed first internal threads opened in the metal pipe. A first external thread is threadedly connected to the inner side of the first internal thread. An inner pipe is fixedly connected to the outside of the first external thread. A fixing plate is fixedly connected to the outside of the inner pipe. A groove is inserted into the inner side of the fixing plate. A sealing convex ring is fixedly connected to the bottom of the fixing plate. An inner groove is inserted into the bottom of the sealing convex ring. An outer pipe is fixedly connected to the top of the fixing plate. A second external thread is provided on the outside of the outer pipe. A sleeve is fixedly connected to the top of the fixing plate. A second internal thread is provided on the inside of the sleeve. When in use, the user can connect the two outer pipes and sleeves to the two pipes through the second internal thread and the second external thread. Then, the inner pipes at the bottoms of the two fixing plates can be connected to the metal pipe through the first external thread and the first internal thread on the inner side of the metal pipe. The two inner pipes will move through the first external thread on their outside and the first internal thread on the inner side of the metal pipe. When the inner pipes move to a certain position, the fixing plates will be inserted into the grooves on the inner side of the metal pipe, and the sealing convex rings at the bottoms of the fixing plates will be inserted into the inner grooves on the inner side of the metal pipe. At this time, the connection between the two pipes and the metal pipe is completed. Thus, it is convenient for the user to perform segmented installation. At the same time, the setting of the inner groove and the sealing convex ring improves the connection tightness between the pipe and the metal pipe, thereby avoiding the problem of leakage. The setting of the outer pipe and the sleeve enables the wrapping of the interface of the pipe, thus avoiding the problem of leakage caused by cracking at the pipe port.

[0008] As an optimization of the above technical solution, there are two first external threads, inner pipes, fixing plates, grooves, sealing convex rings and inner grooves. The two first external threads are respectively threadedly connected to the two first internal threads, and the two first external threads are respectively fixedly connected to the outside of the two inner pipes. The two grooves are respectively arranged at both ends of the metal pipe. The two inner grooves are respectively arranged at both ends of the metal pipe, and the two inner grooves are respectively distributed below the two grooves. The two inner grooves are respectively communicated with the two grooves. The two fixing plates are respectively fixedly connected to the outside of the two inner pipes, and the two fixing plates are respectively inserted into the two grooves. The two sealing convex rings are respectively fixedly connected to the bottoms of the two fixing plates, and the two sealing convex rings are respectively inserted into the two inner grooves.

[0009] As an optimization of the above technical solution, there are two outer pipes, second external threads, sleeves and second internal threads. The two outer pipes are respectively fixedly connected to the tops of the two fixing plates. The two second external threads are respectively arranged on the outside of the two outer pipes. The two sleeves are respectively fixedly connected to the outside of the two fixing plates, and the two sleeves are respectively distributed outside the two outer pipes. The two second internal threads are respectively arranged on the inside of the two sleeves. The specifications of the two second internal threads are the same as those of the two second external threads.

[0010] As a preference of the above technical solution, the fixing mechanism includes a connecting plate fixedly connected to the outside of the metal pipe. A limiting groove is formed on the inner side of the connecting plate. A bidirectional screw is rotatably connected to the inner side of the limiting groove. Two sliders are threadedly connected to the outside of the bidirectional screw. A clamping plate is fixedly connected to the outside of the slider. A rubber pad is fixedly connected to the inner side of the clamping plate. A handle is fixedly connected to the outer end of the bidirectional screw. When in use, the user can connect the metal pipe to the pipeline through the installation mechanism. Then, the handle can be rotated. The rotation of the handle drives the bidirectional screw to rotate. The rotation of the bidirectional screw drives the two sliders to move in the limiting groove. The movement of the sliders drives the clamping plate to move. The movement of the clamping plate drives the rubber pad to move. When the rubber pad moves to a certain position, it will clamp the external object. At this time, the metal pipe is fixed, thus achieving the effect of fixing the metal pipe and the pipeline, thereby improving the installation convenience.

[0011] As a preference of the above technical solution, one end of the bidirectional screw is rotatably connected to the inner side of the limiting groove through a bearing seat, and the other end of the bidirectional screw passes through the limiting groove and is fixedly connected to the handle. The two sliders are both distributed on the inner side of the limiting groove, and clamping plates are fixedly connected to the outside of the two sliders. Rubber pads are fixedly connected to the inner sides of the two clamping plates.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] By providing a metal pipe, an installation mechanism and a fixing mechanism, when in use, the user can connect to two pipelines through two outer pipes, a sleeve, a second internal thread and a second external thread. Then, the inner pipes at the bottoms of the two fixing plates can be connected to the metal pipe through the first external thread on the outside and the first internal thread on the inner side of the metal pipe. The two inner pipes will move through the first external thread on their outside and the first internal thread on the inner side of the metal pipe. When the inner pipes move to a certain position, the fixing plates will be inserted into the grooves on the inner side of the metal pipe, and the sealing convex rings at the bottoms of the fixing plates will be inserted into the inner grooves on the inner side of the metal pipe. At this time, the connection between the two pipelines and the metal pipe is completed. It is convenient for the user to perform segmented installation. At the same time, the setting of the inner groove and the sealing convex ring improves the connection tightness between the pipelines, thereby avoiding the problem of leakage. The setting of the outer pipe and the sleeve enables the wrapping of the interface of the pipeline, thus avoiding the problem of leakage caused by cracking at the port of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Is a first perspective three-dimensional view of an anti-cracking and anti-leakage insert for pipe fittings;

[0015] Figure 2 Is a second perspective three-dimensional view of an anti-cracking and anti-leakage insert for pipe fittings;

[0016] Figure 3 Is an overall side-sectional schematic diagram of an anti-cracking and anti-leakage insert for pipe fittings;

[0017] Figure 4 is Figure 3 the enlarged schematic diagram of the structure at position A in

[0018] In the figure: 1. Metal pipe; 11. First internal thread; 12. First external thread; 13. Inner pipe; 14. Fixed plate; 15. Groove; 16. Sealing convex ring; 17. Inner groove; 18. Outer pipe; 19. Second external thread; 110. Sleeve; 111. Second internal thread; 21. Connecting plate; 22. Limit groove; 23. Bidirectional screw; 24. Slide block; 25. Clamping plate; 26. Rubber pad; 27. Handle. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] Embodiment 1

[0021] Such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, the utility model provides a technical solution: an anti-cracking and anti-leakage insert for pipe fittings, including a metal pipe 1. An installation mechanism for connecting with a pipeline is arranged inside the metal pipe 1, and a fixing mechanism for fixing the position of the metal pipe 1 is arranged outside the metal pipe 1. The installation mechanism includes two symmetrically distributed first internal threads 11 opened on the metal pipe 1. A first external thread 12 is threadedly connected inside the first internal thread 11. An inner pipe 13 is fixedly connected to the outside of the first external thread 12. A fixing plate 14 is fixedly connected to the outside of the inner pipe 13. A groove 15 is inserted inside the fixing plate 14. A sealing convex ring 16 is fixedly connected to the bottom of the fixing plate 14. The bottom of the sealing convex ring 16 is inserted into an inner groove 17. An outer pipe 18 is fixedly connected to the top of the fixing plate 14. A second external thread 19 is arranged on the outside of the outer pipe 18. A sleeve 110 is fixedly connected to the top of the fixing plate 14. A second internal thread 111 is arranged inside the sleeve 110. There are two of the first external thread 12, the inner pipe 13, the fixing plate 14, the groove 15, the sealing convex ring 16 and the inner groove 17. The two first external threads 12 are respectively threadedly connected with the two first internal threads 11, and the two first external threads 12 are respectively fixedly connected to the outside of the two inner pipes 13. The two grooves 15 are respectively arranged at both ends of the metal pipe 1. The two inner grooves 17 are respectively arranged at both ends of the metal pipe 1, and the two inner grooves 17 are respectively distributed below the two grooves 15. The two inner grooves 17 are respectively communicated with the two grooves 15. The two fixing plates 14 are respectively fixedly connected to the outside of the two inner pipes 13, and the two fixing plates 14 are respectively inserted into the two grooves 15. The two sealing convex rings 16 are respectively fixedly connected to the bottoms of the two fixing plates 14, and the two sealing convex rings 16 are respectively inserted into the two inner grooves 17. There are two of the outer pipe 18, the second external thread 19, the sleeve 110 and the second internal thread 111. The two outer pipes 18 are respectively fixedly connected to the tops of the two fixing plates 14. The two second external threads 19 are respectively arranged on the outside of the two outer pipes 18. The two sleeves 110 are respectively fixedly connected to the outside of the two fixing plates 14, and the two sleeves 110 are respectively distributed on the outside of the two outer pipes 18. The two second internal threads 111 are respectively arranged inside the two sleeves 110. The specifications of the two second internal threads 111 are the same as those of the two second external threads 19.

[0022] Through the above technical solution, during use, the user can connect the two outer pipes 18, the sleeve 110 with the two pipes through the second internal thread 111 and the second external thread 19. Then, the inner pipes 13 at the bottoms of the two fixing plates 14 can be connected to the metal pipe 1 through the first external thread 12 and the first internal thread 11 inside the metal pipe 1. The two inner pipes 13 will move through the first external thread 12 on their exteriors and the first internal thread 11 inside the metal pipe 1. When the inner pipes 13 move to a certain position, the fixing plates 14 will be inserted into the grooves 15 inside the metal pipe 1, and the sealing convex rings 16 at the bottoms of the fixing plates 14 will be inserted into the inner grooves 17 inside the metal pipe 1. At this time, the connection between the two pipes and the metal pipe 1 is completed. Thus, while facilitating the user to install in sections, the setting of the inner groove 17 and the sealing convex ring 16 improves the connection tightness between the pipe and the metal pipe 1, thereby avoiding the problem of leakage. The setting of the outer pipe 18 and the sleeve 110 enables the wrapping of the interface of the pipe, thus avoiding the problem of leakage caused by cracking at the pipe port.

[0023] Embodiment 2

[0024] As Figure 1 and Figure 3 shown, the present utility model provides a technical solution: an anti-cracking and anti-leakage insert for pipe fittings, including a metal pipe 1. An installation mechanism for connecting with a pipe is arranged inside the metal pipe 1, and a fixing mechanism for fixing the position of the metal pipe 1 is arranged outside the metal pipe 1. The fixing mechanism includes a connecting plate 21 fixedly connected to the outside of the metal pipe 1. A limiting groove 22 is formed inside the connecting plate 21. A bidirectional screw 23 is rotatably connected inside the limiting groove 22. Two sliders 24 are threadedly connected to the outside of the bidirectional screw 23. A clamping plate 25 is fixedly connected to the outside of the slider 24. A rubber pad 26 is fixedly connected to the inside of the clamping plate 25. A handle 27 is fixedly connected to the outer end of the bidirectional screw 23. One end of the bidirectional screw 23 is rotatably connected inside the limiting groove 22 through a bearing seat, and the other end of the bidirectional screw 23 passes through the limiting groove 22 and is fixedly connected to the handle 27. The two sliders 24 are both distributed inside the limiting groove 22, and clamping plates 25 are fixedly connected to the outside of both sliders 24. Rubber pads 26 are fixedly connected to the inside of both clamping plates 25.

[0025] Through the above technical solution, during use, the user can connect the metal pipe 1 with the pipe through the installation mechanism. Then, the handle 27 can be rotated. The rotation of the handle 27 drives the rotation of the bidirectional screw 23. The rotation of the bidirectional screw 23 drives the two sliders 24 to move inside the limiting groove 22. The movement of the sliders 24 drives the movement of the clamping plates 25. The movement of the clamping plates 25 drives the movement of the rubber pads 26. When the rubber pads 26 move to a certain position, they will clamp an external object. At this time, the metal pipe 1 is fixed, thus achieving the effect of fixing the metal pipe 1 and the pipe, thereby improving the installation convenience.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. An anti-cracking and leak-proof insert for pipe fittings, comprising a metal pipe (1), characterized in that: An installation mechanism for connecting with a pipeline is arranged inside the metal pipe (1), and a fixing mechanism for fixing the position of the metal pipe (1) is arranged outside the metal pipe (1). The installation mechanism includes two symmetrically distributed first internal threads (11) opened in the metal pipe (1). A first external thread (12) is threadedly connected inside the first internal thread (11). An inner pipe (13) is fixedly connected to the outside of the first external thread (12). A fixing plate (14) is fixedly connected to the outside of the inner pipe (13). A groove (15) is inserted into the inside of the fixing plate (14). A sealing convex ring (16) is fixedly connected to the bottom of the fixing plate (14). An inner groove (17) is inserted into the bottom of the sealing convex ring (16). An outer pipe (18) is fixedly connected to the top of the fixing plate (14). A second external thread (19) is arranged on the outside of the outer pipe (18). A sleeve (110) is fixedly connected to the top of the fixing plate (14). A second internal thread (111) is arranged inside the sleeve (110). The fixing mechanism includes a connecting plate (21) fixedly connected to the outside of the metal pipe (1). A limiting groove (22) is opened inside the connecting plate (21). A bidirectional screw rod (23) is rotatably connected inside the limiting groove (22). Two sliders (24) are threadedly connected to the outside of the bidirectional screw rod (23). A clamping plate (25) is fixedly connected to the outside of the slider (24). A rubber pad (26) is fixedly connected to the inside of the clamping plate (25). A handle (27) is fixedly connected to the outer end of the bidirectional screw rod (23).

2. The anti-cracking and leak-proof insert for pipe fittings according to claim 1, characterized in that: There are two of the first external thread (12), the inner pipe (13), the fixing plate (14), the groove (15), the sealing convex ring (16) and the inner groove (17). The two first external threads (12) are respectively threadedly connected with the two first internal threads (11), and the two first external threads (12) are respectively fixedly connected to the outside of the two inner pipes (13). The two grooves (15) are respectively arranged at both ends of the metal pipe (1). The two inner grooves (17) are respectively arranged at both ends of the metal pipe (1), and the two inner grooves (17) are respectively distributed below the two grooves (15). The two inner grooves (17) are respectively communicated with the two grooves (15). The two fixing plates (14) are respectively fixedly connected to the outside of the two inner pipes (13), and the two fixing plates (14) are respectively inserted into the two grooves (15). The two sealing convex rings (16) are respectively fixedly connected to the bottoms of the two fixing plates (14), and the two sealing convex rings (16) are respectively inserted into the two inner grooves (17).

3. The anti-cracking and leak-proof insert for pipe fittings according to claim 1, characterized in that: There are two of the outer tube (18), the second external thread (19), the sleeve (110) and the second internal thread (111). The two outer tubes (18) are respectively fixedly connected to the tops of the two fixing plates (14). The two second external threads (19) are respectively arranged on the outer sides of the two outer tubes (18). The two sleeves (110) are respectively fixedly connected to the outsides of the two fixing plates (14), and the two sleeves (110) are respectively distributed on the outer sides of the two outer tubes (18). The two second internal threads (111) are respectively arranged on the inner sides of the two sleeves (110). The specifications of the two second internal threads (111) are the same as those of the two second external threads (19).

4. The anti-cracking and leak-proof insert for pipe fittings according to claim 1, characterized in that: One end of the bidirectional screw (23) is rotatably connected to the inside of the limit groove (22) through a bearing seat, and the other end of the bidirectional screw (23) passes through the limit groove (22) and is fixedly connected to the handle (27). The two sliders (24) are both distributed inside the limit groove (22), and clamping plates (25) are fixedly connected to the outer sides of the two sliders (24). Rubber pads (26) are fixedly connected to the inner sides of the two clamping plates (25).

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