Polytetrafluoroethylene lining pipe convenient to install

Abstract

The polytetrafluoroethylene lining pipe convenient to install comprises a first groove formed in the inner wall of the lining pipe and a traction base, the traction base is provided with a plurality of inserting grooves, the first groove is connected with an inserting block in a sliding mode, the inserting block is connected with the inserting grooves in an inserted mode, and the side, located on an opening of the lining pipe, of the traction base is fixedly connected with a traction ring. And a second groove communicating with the first groove is formed in the inner wall of the lining pipe, a moving plate is slidably connected to the inner wall of the second groove, a third magnet and a fourth magnet are fixedly connected to one side of the moving plate, and a second magnet is fixedly connected to the side, close to the moving plate, of the inserting block. The number of the insertion blocks corresponds to that of the insertion grooves, the traction base can be firmly fixed to the pipe opening of the lining pipe through the insertion matching of the insertion blocks and the insertion grooves, the traction base is even in stress, the traction device is connected with the traction ring so that the lining pipe can be gradually pulled into a steel pipe, damage cannot be caused, and the installation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe material technical field especially, it is convenient to install polytetrafluoroethylene lining pipe. BACKGROUND

[0002] Polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing, high lubrication non-stick, electrical insulation and good anti-aging resistance, but the lining pipe of polytetrafluoroethylene material has poor deformation resistance, and usually needs to be sleeved into a steel pipe or other outer pipe for use.

[0003] The existing polytetrafluoroethylene lining pipe needs to be fixed by a traction device during installation, and is gradually pulled into the steel pipe, which can cause damage to the connecting part during traction, and needs to be re-cut. It is not convenient to cut the polytetrafluoroethylene lining pipe mouth flat under the interference of the steel pipe, and needs to be repeatedly polished, so that the installation of the polytetrafluoroethylene lining pipe is very cumbersome. Therefore, we propose a kind of polytetrafluoroethylene lining pipe convenient to install. UTILITY MODEL CONTENTS

[0004] The utility model proposes the following technical scheme in view of the problems in the prior art:

[0005] The polytetrafluoroethylene lining pipe convenient to install includes the first recess and the traction seat arranged in the inner wall of the lining pipe, the traction seat is provided with a plurality of insertion grooves, the first recess is slidably connected with an insertion block, the insertion block is inserted into the insertion groove, and the traction ring is fixedly connected to one side of the lining pipe.

[0006] As a preferred technical scheme of the above-mentioned technical scheme, the inner wall of the lining pipe is provided with a second recess communicating with the first recess, the inner wall of the second recess is slidably connected with a moving plate, one side of the moving plate is fixedly connected with a third magnet and a fourth magnet, one side of the insertion block close to the moving plate is fixedly connected with a second magnet, the second magnet and the fourth magnet are of the same polarity, and the second magnet and the third magnet are of different polarities.

[0007] As a preferred technical scheme of the above-mentioned technical scheme, one side of the moving plate is fixedly connected with a push rod, and the push rod penetrates through the second recess.

[0008] As a preferred technical scheme of the above-mentioned technical scheme, one side of the second recess away from the push rod is fixedly connected with a first magnet, one side of the moving plate close to the first magnet is fixedly connected with a fifth magnet, and the fifth magnet and the first magnet are of the same polarity.

[0009] The utility model has the advantages of:

[0010] 1、The number of the plug block and the slot corresponds, through the plug-in cooperation of multiple plug blocks and multiple slots, the traction seat can be fixed firmly at the pipe opening of the inner lining pipe, so that it is uniformly stressed, the traction device can gradually pull the inner lining pipe into the steel pipe through the connection with the traction ring, which not only will not cause damage, but also will improve the installation efficiency;

[0011] 2、The utility model discloses a movable plate can drive third magnet and fourth magnet move together, when fourth magnet moves to the position of with second magnet alignment, through the principle of same pole repulsion can insert the plug block into the inside of the slot, when fourth magnet removes, third magnet comes to the position of with second magnet alignment, through the principle of different pole attraction can pull out the plug block from the inside of the slot, this can take out the traction seat from the inside of the inner lining pipe, avoid the influence pipe's normal flow rate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The structure schematic diagram of the polytetrafluoroethylene inner lining pipe convenient to install in the embodiment is shown.

[0013] Figure 2 The structure schematic diagram of the traction seat in the embodiment is shown.

[0014] Figure 3 The structure schematic diagram of the traction seat in the embodiment is shown. Figure 1 The structure schematic diagram of the traction seat in the embodiment is shown.

[0015] BRIEF DESCRIPTION OF DRAWINGS

[0016] 11、The first recess groove;12、The second recess groove;13、The first magnet;20、The plug block;21、The second magnet;22、The movable plate;23、The third magnet;24、The fourth magnet;25、The push rod;26、The fifth magnet;30、The traction seat;31、The slot;32、The traction ring. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be described clearly and completely below with examples.

[0018] Embodiment

[0019] As shown in Figure 1 , Figure 2 and Figure 3 , the polytetrafluoroethylene inner lining pipe convenient to install includes the first recess groove 11 and the traction seat 30 set in the inner lining pipe inner wall, the traction seat 30 is set with several slots 31, the first recess groove 11 is slidably connected with the plug block 20, the plug block 20 is inserted with the slot 31, and the traction seat 30 is fixedly connected with the traction ring 32 on the one side of the inner lining pipe pipe opening.

[0020] Specifically, the number of the plug blocks 20 corresponds to the number of the slots 31, and the traction seat 30 can be firmly fixed at the pipe opening of the inner liner pipe by the plug-in cooperation of the plurality of plug blocks 20 and the plurality of slots 31, so that the traction seat 30 is uniformly stressed, and the traction device can gradually pull the inner liner pipe into the steel pipe by being connected with the traction ring 32, so that the inner liner pipe is not damaged and the installation efficiency is improved.

[0021] It should be noted that, since the first groove 11 and the plug block 20 are both rhombic or rectangular, the plug block 20 will not be retracted into the interior of the first groove 11 in the process of driving the inner liner pipe into the steel pipe.

[0022] As shown in Figure 1 and Figure 3 , the inner wall of the inner liner pipe is provided with a second groove 12 communicating with the first groove 11, the inner wall of the second groove 12 is slidably connected with a moving plate 22, one side of the moving plate 22 is fixedly connected with a third magnet 23 and a fourth magnet 24, one side of the plug block 20 close to the moving plate 22 is fixedly connected with a second magnet 21, the second magnet 21 and the fourth magnet 24 are of the same polarity, and the second magnet 21 and the third magnet 23 are of different polarities.

[0023] Specifically, the moving plate 22 can drive the third magnet 23 and the fourth magnet 24 to move together, when the fourth magnet 24 moves to a position aligned with the second magnet 21, the plug block 20 can be pushed into the interior of the slot 31 by the principle of repulsion between the same polarities, when the fourth magnet 24 moves away and the third magnet 23 comes to a position aligned with the second magnet 21, the plug block 20 can be pulled out of the interior of the slot 31 by the principle of attraction between different polarities, at this time, the traction seat 30 can be taken out from the interior of the inner liner pipe, so as to avoid affecting the normal flow rate of the pipeline.

[0024] As shown in Figure 3 , one side of the moving plate 22 is fixedly connected with a push rod 25, and the push rod 25 penetrates through the second groove 12.

[0025] Specifically, the moving plate 22 can be driven to move together by pushing the push rod 25, so as to change the positions of the third magnet 23 and the fourth magnet 24.

[0026] As shown in Figure 3 , one side of the second groove 12 away from the push rod 25 is fixedly connected with a first magnet 13, and one side of the moving plate 22 close to the first magnet 13 is fixedly connected with a fifth magnet 26, the fifth magnet 26 and the first magnet 13 are of the same polarity.

[0027] Specifically, the moving plate 22 can be pushed away from the first magnet 13 without any external interference by the principle of repulsion between the same polarities of the fifth magnet 26 and the first magnet 13, so that the fourth magnet 24 and the second magnet 21 always remain aligned.

[0028] Working principle: pushing the push rod 25 can drive the moving plate 22 to move together, and then the position of the third magnet 23 and the fourth magnet 24 can be changed, and according to the principle that the fifth magnet 26 and the first magnet 13 are the same pole and repel each other, the moving plate 22 can push the moving plate 22 away from the first magnet 13 without any external force interference, so that the fourth magnet 24 and the second magnet 21 always keep alignment, when the fourth magnet 24 moves to the position aligned with the second magnet 21, the plug-in block 20 can be inserted into the inside of the insertion slot 31 through the principle of same pole repulsion, and through the plug-in cooperation of a plurality of plug-in blocks 20 and a plurality of insertion slots 31, the traction seat 30 can be firmly fixed at the pipe opening of the inner lining pipe, so that it is uniformly stressed, and the traction device can gradually pull the inner lining pipe into the steel pipe through the connection with the traction ring 32, so that it will not cause damage, and the installation efficiency will be improved, pushing the push rod 25 drives the fourth magnet 24 to move away, and when the third magnet 23 comes to the position aligned with the second magnet 21, the plug-in block 20 can be pulled out from the inside of the insertion slot 31 through the principle of different pole attraction, at this time, the traction seat 30 can be taken out from the inside of the inner lining pipe, so as to avoid affecting the normal flow rate of the pipeline.

[0029] The above examples are only used to illustrate the technical scheme of the utility model, and not to limit it.

Claims

1. A polytetrafluoroethylene lined pipe for easy installation comprising a first groove (11) and a pulling seat (30) provided in the inner wall of the lined pipe, characterized in that: The traction seat (30) is provided with a plurality of insertion slots (31), the first recess (11) is slidably connected with an insertion block (20), the insertion block (20) is inserted with the insertion slot (31), and the traction seat (30) is fixedly connected with a traction ring (32) on one side of the inner liner pipe.

2. The easy-to-install polytetrafluoroethylene lined pipe of claim 1, wherein, The inner wall of the inner liner pipe is provided with a second recess (12) communicating with the first recess (11), the inner wall of the second recess (12) is slidably connected with a moving plate (22), one side of the moving plate (22) is fixedly connected with a third magnet (23) and a fourth magnet (24), one side of the insertion block (20) close to the moving plate (22) is fixedly connected with a second magnet (21), the second magnet (21) and the fourth magnet (24) are same poles, and the second magnet (21) and the third magnet (23) are opposite poles.

3. The easy-to-install polytetrafluoroethylene lined pipe of claim 2, wherein, One side of the moving plate (22) is fixedly connected with a push rod (25), and the push rod (25) penetrates the second recess (12).

4. The easy-to-install polytetrafluoroethylene lined pipe of claim 2, wherein, One side of the second recess (12) away from the push rod (25) is fixedly connected with a first magnet (13), one side of the moving plate (22) close to the first magnet (13) is fixedly connected with a fifth magnet (26), and the fifth magnet (26) and the first magnet (13) are same poles.

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