Pipe orifice thread protection device

Abstract

The utility model belongs to the technical field of thread protectors, and particularly relates to a pipe orifice thread protection device which comprises a protection sleeve, an insertion groove is formed in one end of the protection sleeve, a thread groove is formed in the inner wall of the insertion groove, an annular groove is formed in the side wall of the protection sleeve, and a hexagonal ring is rotationally connected to the inner wall of the annular groove. A plurality of spherical rolling bodies are arranged at the two ends of the hexagonal ring and are connected to the inner wall of the annular groove in a sliding manner; the hexagonal ring drives the protective sleeve to push towards the pipe orifice, so that the protective sleeve and the threaded groove can automatically rotate, the threaded groove is gradually and deeply connected with the threads of the pipe orifice, the situation that the threads of the pipe orifice are long can be effectively handled, and the working efficiency of installing the protector is improved; and the pipelines are stacked and clamped through the protective sleeves and the hexagonal rings, so that the stability when the pipelines are stacked together is improved, and then the situation that the pipelines shake and are collided and damaged is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of thread protector, concretely relates to a pipe thread protection device. BACKGROUND

[0002] The pipeline is connected by pipe, pipe connector and valve etc. and is used for conveying gas, liquid or fluid with solid particles, no matter in life or social production, the pipeline is the key equipment for fluid conveying. In the process of highway transportation, railway transportation and sea transportation of the pipeline, the pipeline can be affected by vibration, collision etc. At this time, the pipe thread protection device can effectively protect the thread, and the protector is generally internally provided with the thread corresponding to the pipe mouth, so that the protector can be tightened at the pipe mouth position. When installing the protector on the pipe mouth, the protector needs to be rotated, and the installation is usually carried out manually. However, when the thread of the pipe mouth is long, the worker needs to rotate the protector for several rounds to completely install, and the working efficiency is low. UTILITY MODEL CONTENTS

[0003] The utility model provides a pipe thread protection device with the characteristics of improving the efficiency of installing the protector on the pipe mouth.

[0004] The utility model provides the following technical scheme: including the protection sleeve, the protection sleeve one end is equipped with the slot, the slot inner wall is equipped with the thread groove, the protection sleeve side wall is equipped with the annular groove, the annular groove inner wall is rotatably connected with the six prism ring, the six prism ring both ends are provided with a plurality of spherical rolling bodies, a plurality of spherical rolling bodies are all connected in the annular groove inner wall slidingly, the six prism ring side wall is equipped with the first clamping groove, the first clamping groove inner wall is rotatably connected with the rotary rod, the rotary rod and the first clamping groove between installation have the torsional spring, the rotary rod inner wall is connected with the inner sliding rod slidingly, the inner sliding rod one end is fixedly connected with the limit clamping rod, the protection sleeve one side is equipped with the second clamping groove, the first clamping groove and the second clamping groove position correspond, and the torsional spring drives the rotary rod overturns to the second clamping groove direction, and the limit clamping rod is clamped in the second clamping groove and the first clamping groove inner wall.

[0005] Wherein, the inner support rod is fixedly connected to the inner wall of the slot, and a gap is left between the inner support rod and the thread groove.

[0006] Wherein, the six prism ring is internally mounted with a Teflon inner ring, and the Teflon inner ring is rotatably connected to the inner wall of the annular groove.

[0007] Wherein, the limit clamping rod is fixedly connected with a plug rod at one end, and a limit socket is formed in the inner wall of the first clamping groove.

[0008] The rotating rod inner wall is fixedly connected with a reset spring, the reset spring is fixedly connected to one end of the inner sliding rod, and the limiting clamping rod is fixedly connected with traction ropes on both sides, and the two traction ropes are respectively folded in the second clamping groove and the first clamping groove.

[0009] The utility model discloses the beneficial effect is: through six annular rings drive protective sleeve to the pipe orifice direction advance, make protective sleeve and thread groove can rotate automatically, and the connection of thread groove and pipe orifice thread gradually goes in, can effectively respond to the situation of pipe orifice thread longer, thereby improve the work efficiency of the installation of protector, through the control limiting clamping rod switches to the second clamping groove, make six annular rings can be in the locked state, avoid six annular rings subsequent appearance rotation autorotation situation, when the pipe is stacked, the pipe can be through protective sleeve and six annular rings realizes the stacking clamping, improves the stability when the pipe is stacked together, further reduces the situation of pipe shaking and colliding damage.

[0010] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0013] Figure 3 It is the top view cross section structure schematic diagram of the utility model;

[0014] Figure 4 It is Figure 3 The enlarged schematic diagram of A part in it.

[0015] In the drawing: 1, protective sleeve;11, insertion slot;12, thread groove;13, annular groove;14, inner support rod;15, second clamping groove;2, six annular rings;21, spherical rolling body;22, teflon inner ring;23, first clamping groove;231, limiting insertion port;3, rotating rod;31, inner sliding rod;32, limiting clamping rod;321, insertion rod;322, traction rope;33, reset spring. DETAILED DESCRIPTION

[0016] Please refer to Figures 1-4The utility model provides following technical scheme: including protective sheath 1, the one end of protective sheath 1 is equipped with the slot 11, the inner wall of slot 11 is equipped with thread groove 12, the lateral wall of protective sheath 1 is equipped with annular groove 13, the inner wall of annular groove 13 is rotatably connected with six prism ring 2, the both ends of six prism ring 2 are equipped with a plurality of spherical rolling body 21, a plurality of spherical rolling body 21 are all slidingly connected in the inner wall of annular groove 13, the lateral wall of six prism ring 2 is equipped with first clamping slot 23, the inner wall of first clamping slot 23 is rotatably connected with rotary rod 3, and the torsional spring is installed between rotary rod 3 and first clamping slot 23, the inner wall of rotary rod 3 is slidingly connected with inner sliding rod 31, and one end of inner sliding rod 31 is fixedly connected with limit clamping rod 32, one side of protective sheath 1 is equipped with second clamping slot 15, and first clamping slot 23 and second clamping slot 15 position correspond, and torsional spring drives rotary rod 3 to overturn to the direction of second clamping slot 15, and limit clamping rod 32 is clampedly connected in the inner wall of second clamping slot 15 and first clamping slot 23.

[0017] In the embodiment: the protective sleeve 1 supports each component of the device, the protective sleeve 1 is inserted into the pipe opening position through the insertion slot 11, the threaded groove 12 corresponds to the threaded size of the pipe opening, the threaded groove 12 is threadedly connected with the pipe opening, so that the protective sleeve 1 can drive the threaded groove 12 to rotate synchronously when rotating, and the threaded groove 12 is fixedly installed with the pipe opening, so that the protective sleeve 1 can externally wrap and protect the threads at the pipe opening position, prevent bumping and damage caused by dust and moisture, the protective sleeve 1 is accommodated by the annular groove 13, the six-rib ring 2 is flush with the outer side of the protective sleeve 1, which is convenient for protecting the installation at the pipe opening in the later period, and the protective sleeve 1 is tightened by using a wrench, the six-rib ring 2 can be rotated alone, when the protector is installed, the protective sleeve 1 is inserted into the pipe opening position through the insertion slot 11, then the threaded groove 12 is connected with the threads of the pipe opening, then the six-rib ring 2 is held, the six-rib ring 2 supports the protective sleeve 1, and the six-rib ring 2 drives the protective sleeve 1 to push towards the pipeline direction, so that the protective sleeve 1 can rotate at the pipe opening position through the threaded groove 12, without manually rotating the protective sleeve 1, the threaded groove 12 and the threads of the pipe opening can gradually penetrate, which can effectively cope with the case that the threads of the pipe opening are longer, thereby improving the working efficiency of the protector installation, and when the six-rib ring 2 drives the protective sleeve 1 to advance, the threaded groove 12 drives the protective sleeve 1 to rotate, the protective sleeve 1 rotates inside the six-rib ring 2, and the plurality of spherical rolling bodies 21 at both ends of the six-rib ring 2 are in contact with the inner wall of the annular groove 13, thereby reducing the friction between the six-rib ring 2 and the annular groove 13, facilitating the rotation of the protective sleeve 1, thereby facilitating the connection work of the protective sleeve 1 and the pipe opening, the first clamping groove 23 accommodates the rotating rod 3 and the limiting clamping rod 32, the rotating rod 3 supports the limiting clamping rod 32 through the inner sliding rod 31, and the second clamping groove 15 accommodates the limiting clamping rod 32, when the device is installed with the pipe opening, the rotating rod 3 is controlled to rotate, so that the rotating rod 3 can drive the limiting clamping rod 32 to transfer from the first clamping groove 23 to the second clamping groove 15, then the limiting clamping rod 32 is clamped in the second clamping groove 15, so that the rotating rod 3 and the limiting clamping rod 32 can limit the six-rib ring 2 and the protective sleeve 1, so that the six-rib ring 2 can be in a locked state, avoiding the subsequent rotation of the six-rib ring 2, facilitating the pipe stacking, and the pipe can be stacked and clamped through the protective sleeve 1 and the six-rib ring 2, improving the stability of the pipe stacked together, and thereby reducing the collision damage caused by the pipe shaking.

[0018] The inner support rod 14 is fixedly connected to the inner wall of the insertion slot 11, and a gap is left between the inner support rod 14 and the threaded groove 12; the inner support rod 14 is located at the central position inside the insertion slot 11, the protection sleeve 1 supports the inner support rod 14, the end of the inner support rod 14 is semispherical, which facilitates the insertion of the inner support rod 14 into the pipe opening, when the device is connected to the pipe opening, the inner support rod 14 is inserted into the pipe opening, at this time, the inner and outer pipe openings are clamped by the protection sleeve 1 and the inner support rod 14, thereby enabling the inner support rod 14 to support and limit the inside of the pipe opening, preventing the pipe from being extruded to the lower pipe, and preventing the pipe opening from deforming.

[0019] The Teflon inner ring 22 is installed on the inner side of the six-rib ring 2 and is rotatably connected to the inner wall of the annular groove 13; the six-rib ring 2 supports the Teflon inner ring 22, the six-rib ring 2 surrounds the outer side of the protection sleeve 1 through the Teflon inner ring 22, when the protection sleeve 1 rotates inside the six-rib ring 2, the six-rib ring 2 slides in contact with the inner wall of the annular groove 13 through the Teflon inner ring 22, and the low friction coefficient of the Teflon inner ring 22 can reduce the friction resistance and loss between the protection sleeve 1.

[0020] The one end of the limiting clamping rod 32 is fixedly connected with the insertion rod 321, the inner wall of the first clamping groove 23 is provided with the limiting insertion port 231, and the insertion rod 321 is inserted into the inner wall of the limiting insertion port 231; the limiting clamping rod 32 supports the insertion rod 321, when the limiting clamping rod 32 is clamped with the first clamping groove 23 and the second clamping groove 15, the limiting clamping rod 32 drives the insertion rod 321 to enter the first clamping groove 23 or the second clamping groove 15, when the device is installed or disassembled with the pipe opening, the limiting clamping rod 32 drives the insertion rod 321 to be transferred from the second clamping groove 15 to the first clamping groove 23, then the limiting clamping rod 32 drives the insertion rod 321 to be inserted into the limiting insertion port 231, thereby the limiting clamping rod 32 is limited from rotating by the six-rib ring 2, so as to facilitate the stable relative rotation operation between the six-rib ring 2 and the protection sleeve 1, and avoid the interference of the rotation of the insertion rod 321 to the protection sleeve 1.

[0021] The inner wall of the rotating rod 3 is fixedly connected with the reset spring 33, the reset spring 33 is fixedly connected to one end of the inner sliding rod 31, the limiting clamping rod 32 is fixedly connected with the traction rope 322 on both sides, and the two traction ropes 322 are respectively folded in the second clamping groove 15 and the first clamping groove 23; the rotating rod 3 accommodates and externally protects the reset spring 33, the reset spring 33 pushes the inner sliding rod 31, so that the inner sliding rod 31 drives the limiting clamping rod 32 to slide into the limiting insertion port 231, the traction rope 322 is located outside the limiting clamping rod 32, when the limiting clamping rod 32 is flipped and taken out from the first clamping groove 23 or the second clamping groove 15, the corresponding traction rope 322 is pulled, so as to facilitate the taking out of the limiting clamping rod 32.

[0022] The utility model discloses a working principle and use flow: when installing the protector to the pipe orifice, the subsequent screw groove 12 is connected with the thread alignment of the pipe orifice, and then holds six annular rings 2, and six annular rings 2 support the protective sleeve 1, and six annular rings 2 drive the protective sleeve 1 to push to the pipeline direction, so that the protective sleeve 1 can rotate through the screw groove 12 at the pipe orifice position, and the manual rotation of the protective sleeve 1 is not needed, and the connection of the screw groove 12 and the pipe orifice thread can gradually deepen, the situation that the pipe orifice thread is longer can be effectively coped with, thereby the working efficiency of the installation of the protector is improved, and then the limiting clamping rod 32 and the plug-in rod 321 are transferred from the first clamping groove 23 to the second clamping groove 15 by pulling the traction rope 322, so that the rotating rod 3 and the limiting clamping rod 32 can limit six annular rings 2 and the protective sleeve 1, so that six annular rings 2 can be in the locked state, the subsequent rotation of six annular rings 2 is avoided, when the pipeline is stacked, the pipeline can be stacked and clamped through the protective sleeve 1 and six annular rings 2, the stability when the pipeline is stacked together is improved, and then the collision damage caused by the shaking of the pipeline is reduced.

Claims

1. A thread protector for a pipe end, comprising a protective sleeve (1), characterized in that: The protection cover (1) is provided with a slot (11) at one end, a threaded groove (12) is formed in the inner wall of the slot (11), an annular groove (13) is formed in the side wall of the protection cover (1), a six-rib ring (2) is rotatably connected to the inner wall of the annular groove (13), a plurality of spherical rolling bodies (21) are arranged at both ends of the six-rib ring (2), the spherical rolling bodies (21) are slidably connected to the inner wall of the annular groove (13), a first clamping groove (23) is formed in the side wall of the six-rib ring (2), a rotating rod (3) is rotatably connected to the inner wall of the first clamping groove (23), a torsional spring is arranged between the rotating rod (3) and the first clamping groove (23), an inner sliding rod (31) is slidably connected to the inner wall of the rotating rod (3), a limiting clamping rod (32) is fixedly connected to one end of the inner sliding rod (31), a second clamping groove (15) is formed in one side of the protection cover (1), the first clamping groove (23) and the second clamping groove (15) are in position correspondence, the torsional spring drives the rotating rod (3) to overturn in the direction of the second clamping groove (15), and the limiting clamping rod (32) is clamped and connected to the inner walls of the second clamping groove (15) and the first clamping groove (23).

2. A thread protector according to claim 1, characterised in that: The inner wall of the slot (11) is fixedly connected with an inner supporting rod (14), and a gap is left between the inner supporting rod (14) and the threaded groove (12).

3. A thread protector as claimed in claim 1, wherein: An iron fluoride inner ring (22) is mounted on the inner side of the six-rib ring (2), and the iron fluoride inner ring (22) is rotatably connected to the inner wall of the annular groove (13).

4. A thread protector according to claim 1, wherein: One end of the limiting clamping rod (32) is fixedly connected with a plug rod (321), and a limiting plug opening (231) is formed in the inner wall of the first clamping groove (23).

5. A thread protector as claimed in claim 1, wherein: A return spring (33) is fixedly connected to the inner wall of the rotating rod (3), and the return spring (33) is fixedly connected to one end of the inner sliding rod (31).

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