Broken end taking-out device for pipeline joint

By designing a pipe joint breakage removal device, which utilizes a combination structure of a compression head and a top sleeve, the problem of difficult-to-remove broken internal thread pipe joints has been solved, achieving efficient and damage-free breakage removal and improving work efficiency.

CN224102874UActive Publication Date: 2026-04-10SHANGHAI BINYANG BLUE DIAMOND NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to remove the broken ends from the internal thread pipe joint, especially after the external thread pipe joint breaks. It is difficult to effectively remove the internal thread pipe joint without damaging it, and there is a lack of suitable removal equipment.

Method used

A device for removing broken pipe joints has been designed, comprising a compression head, a top sleeve, a lead screw, an operating rod, a fixing frame, and a support plate. The conical top sleeve is in close contact with the compression head, and the broken joint is successfully removed by the rotation of the lead screw and the operating rod.

Benefits of technology

It improves the efficiency of removing broken pipe ends, avoids damage to internal threaded pipe joints, and enhances the convenience of operation and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A broken end taking-out device for a pipeline joint belongs to the technical field of pipeline construction tools and comprises an extrusion head, a top sleeve, a screw rod, an operating rod, a fixing frame and a supporting plate. A plurality of connecting rods are installed between the two supporting plates, screw seats are installed in the middles of the two supporting plates respectively, and the screw rod and the two screw seats are connected together through threads. The lower end of the lead screw and the upper portion of the ejector sleeve are fixedly installed together, and a sleeve hole is transversely formed in the upper end of the lead screw. Supporting seats are fixedly installed at the two ends of the lower side of the supporting plate at the lower end respectively, the upper ends of the two extrusion heads and the two supporting seats are rotationally installed together respectively, a limiting plate is transversely installed at the side end of the lead screw, a limiting hole is formed in the side end of the limiting plate, a bolt is movably sleeved with the limiting hole, and a plurality of fixing screw holes A are annularly distributed in the outer side of the supporting plate at the upper end. According to the utility model, the broken end in the internal thread pipeline joint can be conveniently taken out, so that convenience is brought to workers, and the working efficiency is correspondingly improved. In conclusion, the device has a good application prospect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline construction tool technical field, especially a pipeline joint broken head taking out device. BACKGROUND

[0002] In indoor gas supply, water supply and so on, it will involve the use to pipeline, and the pipeline and valve and related gas, water equipment will adopt pipeline joint connection, in order to the beauty of indoor, the existing building field usually is with water supply, gas supply ( also power supply) pipeline and its corresponding internal thread pipeline joint etc. are embedded into the wall. Internal thread pipeline joint and valve or other gas, water equipment between external thread connection pipe joint etc. are connected, due to various reasons, installation and maintenance etc. time, there is the probability that external thread connection pipe joint etc. part is broken in the pipeline joint ( for example, the quality of valve external thread connection pipe joint is poor, in the process of rotating and taking out valve by using spanner etc. during maintenance, external thread connection pipe joint part is broken in the pipeline joint).

[0003] In the prior art, the general mode for taking out the external thread connection pipe joint broken in the internal thread pipeline joint ( for the convenience of description, the external thread connection pipe joint part broken in the internal thread pipeline joint will be collectively referred to as broken head in the following) includes the following several kinds. (1) the front end of the vice is inserted into the internal thread pipeline joint to clamp the front end of the broken head and rotate, and then the broken head is taken out. Since the internal thread pipeline joint has a small inner diameter, it is not convenient to clamp the front end of the broken head by the front end of the vice, and the clamping force of the vice is limited, so the artificial force applied after clamping the broken head is limited, especially for the broken head that is screwed in tightly or corroded, it is not easy to take out. (2) the broken head is drilled into several small pieces by using a drill, and then the broken head separated into small pieces is taken out by using other tools. If the operation is improper, the drill bit of the drill is easy to drill the internal thread pipeline joint, causing damage to the internal thread pipeline joint. Therefore, it is particularly necessary to provide a device that can conveniently take out the broken head and prevent damage to the internal thread pipeline joint. UTILITY MODEL CONTENTS

[0004] In order to overcome the drawbacks in the prior art due to the lack of a suitable broken head taking out device for the internal thread pipeline joint, under the joint action of the related structures, the worker puts the front end of the extruding head into the broken head, the tapered top sleeve can make the extruding head and the broken head in the internal thread pipeline joint in close contact, and then the handle is rotated by hand, so that the broken head in the internal thread pipeline joint can be conveniently taken out, thereby bringing convenience to the worker and improving the work efficiency.

[0005] The utility model solves the technical problems by adopting the technical scheme of:

[0006] A pipeline joint broken head taking-out device, comprising extrusion heads, top sleeves, screw rods, operating rods, fixing frames and support plates, the support plates and the extrusion heads are at least two, a plurality of connecting rods are fixedly installed between the two support plates, a plurality of screw rod seats are fixedly installed on the two support plates respectively, the screw rods and the two screw rod seats are threadedly connected together, the lower end of the screw rod and the upper part of the top sleeve are fixedly installed together, the upper end of the screw rod is transversely provided with a sleeve hole, the operating rod is movably sleeved in the sleeve hole, the lower side of the lower end of one support plate is fixedly provided with support seats at both ends respectively, the upper ends of the two extrusion heads are rotatably installed with the two support seats respectively, a limiting plate is transversely installed on the side end of the screw rod, the side end of the limiting plate is provided with limiting holes, bolts are movably sleeved in the limiting holes, and a plurality of fixed screw holes A are annularly distributed on the outer side of the upper end support plate.

[0007] Further, the bolt and one of the screw holes A of the upper end support plate at the lower end are located on the same vertical plane from top to bottom, and the lower end of the manual bolt is screwed into the thread of one of the screw holes A.

[0008] Further, the top sleeve is conical, and the outer diameter of the lower end is smaller than that of the upper end.

[0009] Further, the top sleeve is conical, and the outer diameter of the lower end is smaller than that of the upper end.

[0010] Further, the two extrusion heads are provided with anti-skid teeth on the outer side of the lower end.

[0011] Compared with the prior art, the beneficial effects of the pipeline joint broken head taking-out device are as follows: before the application, after the staff movably sleeves the extrusion heads into the broken head, rotates the screw rod through the operating rod, drives the conical top sleeve to move the two extrusion heads to the outer side, the outer side of the two extrusion heads and the inside of the broken head are in close contact, then the staff screws the bolt into one of the corresponding screw holes A of the upper end of one support plate, and continues to rotate the screw rod to drive the two extrusion heads to rotate reversely, so that the broken head in the female threaded pipeline joint can be conveniently taken out, thereby bringing convenience to the staff and improving the work efficiency. In summary, the pipeline joint broken head taking-out device has good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the overall structure of the pipeline joint broken head taking-out device.

[0013] Figure 2 It is a schematic view of the structure of one support plate of the pipeline joint broken head taking-out device. DETAILED DESCRIPTION

[0014] Figure 1 , 2As shown, a pipe joint broken head extraction device, including extrusion head 1, top cover 2, screw 3, operating rod 4, fixed frame 5, support plate 6, the support plate 6, extrusion head 1 respectively have two, two support plate 6 between annular fixed installation has a plurality of fixed frame 5, two support plate 6 in part respectively have a hole, each support plate hole on the upper end respectively welded with a screw seat 61, screw 3 middle and lower part and two screw seat 61 through thread connection together; the lower end of the screw 3 and the upper middle part of the top cover 2 are fixedly installed together, and the upper end of the screw 3 has a through sleeve hole 31 in the middle part, and the operating rod 4 is movably sleeved in the sleeve hole 31; the lower end of one support plate 6 has a support seat 62 fixedly installed in the middle part of the lower side of both ends, and the upper end of the two extrusion heads 1 and the two support seats 62 are rotatably installed together, and the right side of the middle part of the screw 3 (located at the upper end of the support plate) is transversely welded with a limiting plate 32, the right side end of the limiting plate 32 has a limiting hole, and a manual bolt 33 is movably sleeved in the limiting hole from top to bottom, and the outer side of the upper end of the support plate is annularly distributed with a plurality of fixed screw holes A63.

[0015] Figure 1 、 2 As shown, one of the screw holes A63 of the manual bolt 33 and the lower end of the upper end of the support plate is in the same vertical plane from top to bottom, and the lower end of the manual bolt 33 is screwed into the thread of one of the screw holes A63. The top cover 2 is spaced apart between the outer sides of the two extrusion heads 1 and the inner upper ends of the two extrusion heads 1. The top cover 2 is conical, and the outer diameter of the lower end is smaller than that of the upper end. The top cover 2 is located between the upper parts of the two extrusion heads 1. The outer side of the lower end of the two extrusion heads 1 has anti-skid teeth 101 (to ensure that the contact with the broken head does not slip), and the bottom is a circular arc structure.

[0016] Figure 1 、 2As shown, in the application, the staff puts the two extrusion heads 1 into the broken head 8, then puts the operating rod 4 into the sleeve hole 31 of the screw rod, and then rotates the operating rod 4 counterclockwise (one hand holds the connecting rod, etc.), the screw rod 3 moves to the front end along the screw seat 61, the top sleeve 2 gradually enters the inside of the two extrusion heads 1, the two extrusion heads 1 move to the outside end, the distance becomes larger, in this way, the outside of the two extrusion heads 1 is in close contact with the inside end of the broken head 8, then the staff rotates the bolt 33 with hand, the front end of the bolt 33 is screwed into the corresponding one of the screw holes A of the upper end (at this moment, the rear end) supporting plate; then, the staff continues to rotate the operating rod 4 counterclockwise, the operating rod 4 drives the broken head 8 to rotate counterclockwise through the top sleeve 2 and the two extrusion heads 1, and gradually rotates out of the internal thread pipe joint. After the broken head is rotated out, the staff fixes the broken head 8 with a bench clamp, rotates the screw rod clockwise, then the screw rod 3 moves to the rear end along the screw seat 61, the top sleeve 2 gradually separates from the inside of the two extrusion heads 1, the two extrusion heads 1 move to the inside end, the distance becomes smaller, in this way, the outside of the two extrusion heads 1 is separated from the inside end of the broken head 8, and the broken head taking-out process is completed. Through the above, the broken head in the internal thread pipe joint can be conveniently taken out, thereby bringing convenience to the staff and improving the work efficiency.

[0017] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is limited to the details of the above-described exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0018] In addition, it should be understood that, although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pipe joint broken head pulling device, comprising an extrusion head, a top sleeve, a lead screw, an operating rod, a fixing frame, a support plate; characterized in that, The support plates and the extruding heads are respectively at least two, a plurality of connecting rods are fixedly installed between the two support plates, a screw rod and the two screw seats are threadedly connected together, the lower end of the screw rod is fixedly installed with the upper part of the top sleeve, the upper end of the screw rod is transversely provided with a sleeve hole, the operating rod is movably sleeved in the sleeve hole, the lower side of the lower end of one support plate is respectively fixedly installed with a support seat, the upper ends of the two extruding heads are respectively rotatably installed with the two support seats, a limiting plate is transversely installed at the side end of the screw rod, the side end of the limiting plate is provided with a limiting hole, a bolt is movably sleeved in the limiting hole, and a plurality of fixed screw holes A are annularly distributed on the outer side of the upper end support plate.

2. A pipe joint break extraction device according to claim 1, wherein, The bolt and one of the screw holes A of the lower end and the upper end support plate are located in the same vertical plane from top to bottom, and the lower end of the manual bolt is threadedly screwed into the thread of one of the screw holes A.

3. A pipe joint break extraction device according to claim 1, wherein, The top sleeve is conical, and the outer diameter of the lower end is smaller than that of the upper end.

4. A pipe joint break extraction device according to claim 1, wherein, The lower end of the two extruding heads is provided with anti-skid teeth on the outer side.

5. A pipe joint break extraction device according to claim 1, wherein, The lower end of the two extruding heads is provided with anti-skid teeth on the outer side.