Quick-connection self-locking type connector

Abstract

The utility model relates to the technical field of water pipe connection, in particular to a quick connection self-locking type connector which comprises a self-locking control pipe, a handle is arranged on the outer side wall of the self-locking control pipe, connecting pipes are arranged at the two ends of the self-locking control pipe, guide heads are fixedly connected to the side ends of the connecting pipes, and fixed threaded pipes are connected to the side ends of the connecting pipes in a threaded mode. A sealing sleeve used for sealing and fixing is arranged between the fixed threaded pipe and the guide head, a movable pipe is arranged at the front end of the fixed threaded pipe, a fixed ring is fixedly connected to the inner wall of the movable pipe, an extrusion pipe is fixedly connected to one side of the fixed ring, and a telescopic pipe used for controlling the moving distance is fixedly connected to the other side of the fixed ring. Outer threads are arranged on the outer side walls of the two ends of the self-locking control pipe, the threads at the two ends are oppositely arranged, the movable pipe and the top end of the self-locking control pipe are locked through the threads, the damaged position of the water pipe can be maintained more conveniently, follow-up leakage secondary maintenance is facilitated, and meanwhile secondary damage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pipe connecting technical field, concretely is a quick -witted connection self -locking type joint. BACKGROUND

[0002] In the north winter, the temperature is lower, and the water in the pipeline will freeze, and its volume will expand, causing the pipeline to be damaged. In order to repair the pipeline, the damaged part is cut off, and then the repair pipe is used to fill and connect. When repairing, the cut end is heated and melted by using a heating device, and then the semi-molten pipeline is inserted into the repair pipe under the heat, and waits for cooling and solidification. At this time, the water pipe is connected and fixed with the repair pipe. However, in the operation process, the molten part of the water pipe cannot be accurately controlled to fill every part of the repair pipe, so that some parts are weak, and when the water pressure is high, the weak part will leak. Repair is not convenient again; this repair method requires certain experience, accurate control of the time and state of the water pipe melting; when repairing, the water pipe needs to be inserted into the repair pipe, so the water pipe needs to be bent, which requires a lot of effort. However, when the water pipe is pulled, the water pipe is easily damaged. SUMMARY

[0003] The utility model discloses a quick -witted connection self -locking type joint to solve the problem in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a quick -witted connection self -locking type joint, including self -locking control pipe, the outside wall of self -locking control pipe is equipped with handle, both ends of self -locking control pipe are equipped with connecting pipe, the side end of connecting pipe is fixedly connected with guide head, the side end of connecting pipe is screwed with fixed screw pipe, the fixed screw pipe and guide head are equipped with sealing sleeve for sealing and fixing, the front end of fixed screw pipe is equipped with moving pipe, the inner wall of moving pipe is fixedly connected with fixed ring, one side of fixed ring is fixedly connected with extrusion pipe, the other side of fixed ring is fixedly connected with telescopic pipe for controlling moving distance, both ends of self -locking control pipe are equipped with external thread, and the threads of both ends are oppositely arranged, and the top end of moving pipe and self -locking control pipe is screwed.

[0005] Preferably, the guide head is a circular truncated cone structure, the cross section of the fixed screw pipe is an L-shaped structure, and the top end of the sealing sleeve is located between the fixed screw pipe and the connecting pipe.

[0006] Preferably, the side end of the fixed screw pipe is fixedly connected with a limiting pipe, the top end of the moving pipe is provided with an auxiliary groove, and the limiting pipe is inserted into the auxiliary groove.

[0007] Preferably, the telescopic pipe is in a corrugated structure, and a plurality of reinforcing rings are fixedly connected to the outer sidewall of the telescopic pipe and inserted into the moving pipe.

[0008] Preferably, the inner walls at both ends of the self-locking control pipe are provided with guide inclined surfaces, and a sealing groove is arranged in the middle of the guide inclined surfaces and is in an annular structure.

[0009] Preferably, a sealing rubber ring is inlaid in the sealing groove, the top end of the extrusion pipe is inserted into the sealing groove, and the top end of the extrusion pipe exerts a force on the sealing rubber ring.

[0010] Compared with the prior art, the utility model has the beneficial effects that: the guide head is arranged at the top end of the connecting pipe, and the guide head is connected with the sealing sleeve; the sealing sleeve is fixed by the fixed threaded pipe; the self-locking control pipe is rotated to drive the moving pipe to move and be locked and fixed; the extrusion pipe is inserted into the sealing groove to extrude the sealing rubber ring; the sealing rubber ring is deformed due to the radial force, fills the gap, and ensures the sealing effect; when leakage occurs again, the self-locking control pipe and the fixed threaded pipe are only needed to be rotated, and subsequent maintenance is more convenient; the water pipe does not need to be pulled during maintenance, and secondary damage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a schematic view of a pipe connection structure.

[0012] Fig. 2 It is a schematic view of the connection between the moving pipe and the fixed threaded pipe.

[0013] In the figure: 1, self-locking control pipe; 2, connecting pipe; 3, guide head; 4, moving pipe; 5, guide inclined surface; 6, sealing groove; 7, sealing rubber ring; 8, handle; 9, fixed threaded pipe; 10, limiting pipe; 11, sealing sleeve; 12, telescopic pipe; 13, reinforcing ring; 14, extrusion pipe; 15, auxiliary groove; 16, fixed ring. DETAILED DESCRIPTION

[0014] In order to deepen the understanding and recognition of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, but not all the embodiments, and do not limit the utility model in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0015] Please refer to Figs. 1-2The utility model provides a technical scheme: a quick connection self -locking type joint, including self -locking control pipe 1, the outside wall of self -locking control pipe 1 is equipped with handle 8, both ends of self -locking control pipe 1 are equipped with connecting pipe 2, the side end of connecting pipe 2 is fixedly connected with guide head 3, and the side end of connecting pipe 2 is threadedly connected with fixed threaded pipe 9, and the fixed threaded pipe 9 and guide head 3 are equipped with sealing sleeve 11 for sealing and fixing, and the front end of fixed threaded pipe 9 is equipped with moving pipe 4, and the inner wall of moving pipe 4 is fixedly connected with fixed ring 16, one side of fixed ring 16 is fixedly connected with extrusion pipe 14, the other side of fixed ring 16 is fixedly connected with telescopic pipe 12 for controlling moving distance, and the outer side wall of both ends of self -locking control pipe 1 is equipped with external thread, and the threads of both ends are oppositely arranged, and the top end of moving pipe 4 and self -locking control pipe 1 is threadedly locked.

[0016] The guide head 3 is a circular truncated cone structure, the cross section of the fixed threaded pipe 9 is an L-shaped structure, the top end of the sealing sleeve 11 is located between the fixed threaded pipe 9 and the connecting pipe 2, and the fixed threaded pipe 9 is extruded to fix the sealing sleeve 11 when the fixed threaded pipe 9 is rotated, so that the sealing sleeve 11 and the connecting pipe 2 are tightly connected, and the leakage is avoided.

[0017] The side end of the fixed threaded pipe 9 is fixedly connected with a limiting pipe 10, the top end of the moving pipe 4 is provided with an auxiliary groove 15, the limiting pipe 10 is inserted into the auxiliary groove 15, and the two moving pipes 4 are simultaneously close to or away from the handle 9 when the self -locking control pipe 1 is rotated.

[0018] The telescopic pipe 12 is a corrugated structure, a plurality of reinforcing rings 13 are fixedly connected to the outer side wall of the telescopic pipe 12, the reinforcing rings 13 are inserted into the moving pipe 4, the telescopic pipe 12 can be telescopic when the moving pipe 4 moves, and the reinforcing rings 13 reinforce the middle part of the telescopic pipe 12, so that the telescopic pipe 12 is not deformed too much.

[0019] The inner walls of both ends of the self -locking control pipe 1 are provided with guide inclined surfaces 5, the middle of the guide inclined surface 5 is provided with a sealing groove 6, the sealing groove 6 is an annular structure, the sealing rubber ring 7 is embedded in the sealing groove 6, the top end of the extrusion pipe 14 is inserted into the sealing groove 6, the top end of the extrusion pipe 14 applies force to the sealing rubber ring 7, the extrusion pipe 14 extrudes the sealing rubber ring 7, the sealing rubber ring 7 is deformed, the gap is filled, and the subsequent water leakage is avoided.

[0020] The damaged connecting pipe 2 is cut off, the guide head 3 is arranged at the end, the sealing sleeve 11 is sleeved on the guide head 3, the fixed threaded pipe 9 is threadedly connected with the connecting pipe 2, at this time, the top end of the fixed threaded pipe 9 extrudes and fixes the sealing sleeve 11, the self -locking control pipe 1 is rotated through the handle 9, the self -locking control pipe 1 drives the two moving pipes 4 to move to the handle at the same time, so that the extrusion pipe 14 is inserted into the sealing groove 6, force is applied to the sealing rubber ring 7, and the damaged part is self -locked and sealed.

[0021] Although the embodiments of the present application have been shown and described, it should be stressed that the above description is merely an introduction and description of the use mode of the embodiments of the present application, and does not limit the present application in any form. It can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick connect self locking fitting comprising a self locking control tube (1) characterized in that: The outer side wall of the self-locking control pipe (1) is provided with a handle (8), both ends of the self-locking control pipe (1) are provided with a connecting pipe (2), the side end of the connecting pipe (2) is fixedly connected with a guide head (3), the side end of the connecting pipe (2) is threadedly connected with a fixed threaded pipe (9), and the fixed threaded pipe (9) and the guide head (3) are provided with a sealing sleeve (11) for sealing and fixing; The front end of the fixed threaded pipe (9) is provided with a moving pipe (4), the inner wall of the moving pipe (4) is fixedly connected with a fixed ring (16), one side of the fixed ring (16) is fixedly connected with an extrusion pipe (14), and the other side of the fixed ring (16) is fixedly connected with a telescopic pipe (12) for controlling the moving distance; The outer side wall of both ends of the self-locking control pipe (1) is provided with external threads, and the threads of the two ends are oppositely arranged, the top end of the moving pipe (4) and the self-locking control pipe (1) is threadedly locked.

2. A quick connect self locking fitting as claimed in claim 1, wherein: The guide head (3) is a circular truncated cone structure, the cross section of the fixed threaded pipe (9) is an L-shaped structure, and the top end of the sealing sleeve (11) is located between the fixed threaded pipe (9) and the connecting pipe (2).

3. A quick connect self locking fitting as claimed in claim 1, wherein: The side end of the fixed threaded pipe (9) is fixedly connected with a limiting pipe (10), the top end of the moving pipe (4) is provided with an auxiliary groove (15), and the limiting pipe (10) is inserted into the auxiliary groove (15).

4. A quick connect self locking fitting as defined in claim 1, wherein: The telescopic pipe (12) is a corrugated structure, a plurality of reinforcing rings (13) are fixedly connected to the outer side wall of the telescopic pipe (12), and the reinforcing rings (13) are inserted into the moving pipe (4).

5. A quick connect self locking fitting as defined in claim 1, wherein: Both the inner walls of the two ends of the self-locking control pipe (1) are provided with guide inclined surfaces (5), the middle of the guide inclined surface (5) is provided with a sealing groove (6), and the sealing groove (6) is an annular structure.

6. A quick connect self locking fitting as defined in claim 5, wherein: The sealing groove (6) is inlaid with a sealing rubber ring (7), the top end of the extrusion pipe (14) is inserted into the sealing groove (6), and the top end of the extrusion pipe (14) applies a force to the sealing rubber ring (7).

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