PE corrugated pipe with sealing butt joint

Abstract

The utility model discloses a PE corrugated pipe with a sealing butt joint, and relates to the technical field of corrugated pipe butt joint tools, the PE corrugated pipe comprises a first corrugated connecting pipe and a second corrugated connecting pipe, the side end of the first corrugated connecting pipe and the side end of the second corrugated connecting pipe are symmetrically provided with sleeving blocks, and a connecting sleeve is arranged in the middle of the two sleeving blocks. According to the corrugated connecting pipe connecting device, due to the arrangement of the sleeving blocks, the first corrugated connecting pipe and the second corrugated connecting pipe can be better fixed, so that the first corrugated connecting pipe and the second corrugated connecting pipe are fixedly connected with the connecting sleeve in a sleeving mode, and due to the arrangement of the first connecting ring plate and the second connecting ring plate, the corrugated connecting pipe connecting device is convenient to use. And the sleeving block and the connecting sleeve can be better pressed, so that the connection stability of the sleeving block and the connecting sleeve is improved, and the situation that the connection airtightness of the device is reduced due to connection looseness of the threaded connecting block and the threaded ring groove is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows butt joint tools, in particular to a PE bellows with a sealing butt joint. Background Art

[0002] Bellows is a new type of pipe that is increasingly used in the aviation, chemical, petroleum, metallurgy and other industries. Due to the bellows' flexibility and resistance to high temperature and high pressure, its application in high temperature and high pressure environments is particularly significant.

[0003] The existing bellows are mostly butt-jointed by welding. The processing of welded bellows is difficult and welding defects are prone to occur in the welded bellows, which results in defective pores in the welded bellows and reduces the air tightness of the bellows butt joint. Therefore, the present application designs a PE bellows with a sealed butt joint to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a PE corrugated pipe with a sealed butt joint.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PE corrugated pipe with a sealed joint, comprising a first corrugated connecting pipe and a second corrugated connecting pipe, the side ends of the first corrugated connecting pipe and the second corrugated connecting pipe are symmetrically provided with sleeve blocks, the middle parts of the two sleeve blocks are provided with connecting sleeves, and the side ends of the sleeve blocks are provided with compression links for clamping and fixing the corrugated connecting pipes.

[0006] Preferably, the side ends of the sleeve blocks are each provided with a first connecting ring plate, the middle portion of the connecting sleeve is provided with a second connecting ring plate for cooperating with the first connecting ring plate for fixing, and the first connecting ring plate and the second connecting ring plate are each provided with a clamping bolt for clamping and connecting the first connecting ring plate and the second connecting ring plate.

[0007] Preferably, a socket protrusion for socketing the corrugated pipe is convexly provided in the middle of the socket block, and a clamping adjustment mechanism for clamping the corrugated pipe onto the socket protrusion is provided at the side end of the clamping link, and the clamping adjustment mechanism consists of the end of the clamping link and an adjusting bolt.

[0008] Preferably, four auxiliary fixing mechanisms are equidistantly provided on the outer side wall of the sleeve block, and the auxiliary fixing mechanism consists of a fixing seat and a threaded rotating rod, and a clamping protrusion for clamping the corrugated pipe is movably sleeved at the lower part of the threaded rotating rod.

[0009] Preferably, the side ends of the second connecting ring plates are each provided with a threaded connecting block, and the side ends of the sleeve blocks are provided with a threaded ring groove for threading the threaded connecting block.

[0010] Preferably, a sealing protrusion is convexly provided on the side end of the threaded connecting block, a sealing ring groove for extending the sealing protrusion is opened on the sleeve block, and a plurality of sealing rubber pads for abutting and pressing the sealing ring groove are equidistantly provided on the sealing protrusion.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, through the setting of the sleeve block, the first corrugated connecting tube and the second corrugated connecting tube can be better fixed, so that they are sleeved and fixed with the connecting sleeve; through the setting of the first connecting ring plate and the second connecting ring plate, the sleeve block and the connecting sleeve can be better compressed, thereby improving the connection stability between the sleeve block and the connecting sleeve, preventing the connection between the threaded connecting block and the threaded ring groove from loosening and reducing the connection air tightness of the device; through the setting of the compression link and the compression adjustment mechanism, the bellows can be better fixed on the sleeve protrusion, so that the sleeve block can be better installed at the end of the bellows; through the setting of the auxiliary fixing mechanism, the bellows can be further assisted in clamping, so that the compression adjustment mechanism can stably clamp and fix the bellows; through the setting of the threaded ring groove and the threaded connecting block, the sleeve block and the connecting sleeve can be better connected; through the setting of the sealing protrusion and the sealing rubber pad, the connection air tightness of the device can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall connection relationship of the three-dimensional structure proposed by the utility model;

[0014] Figure 2 This is a three-dimensional structural schematic diagram of the connection relationship between the bellows and the socket block proposed in the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the compression link and the sleeve block proposed by the utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the socket block proposed by the utility model;

[0017] Figure 5 This is a schematic diagram of the three-dimensional structure of the connecting sleeve proposed by the utility model.

[0018] Serial numbers in the figure: 1. first corrugated connecting pipe; 2. connecting sleeve; 3. second corrugated connecting pipe; 4. clamping link; 5. first connecting ring plate; 6. auxiliary fixing mechanism; 7. clamping adjustment mechanism; 8. sleeve joint protrusion; 9. threaded ring groove; 10. sealing ring groove; 11. threaded connecting block; 12. sealing protrusion; 13. second connecting ring plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Example: See Figure 1-5 A PE corrugated pipe with a sealed butt joint in the utility model comprises a first corrugated connecting pipe 1 and a second corrugated connecting pipe 3. The side ends of the first corrugated connecting pipe 1 and the second corrugated connecting pipe 3 are symmetrically provided with sleeve blocks, and a connecting sleeve 2 is provided in the middle of the two sleeve blocks. The side ends of the sleeve blocks are provided with a compression link 4 for clamping and fixing the corrugated connecting pipe. Through the setting of the sleeve blocks, the first corrugated connecting pipe 1 and the second corrugated connecting pipe 3 can be better fixed, so as to be sleeved and fixed with the connecting sleeve 2; the side ends of the sleeve blocks are provided with a first connecting ring plate 5, and the middle part of the connecting sleeve 2 is provided with a second connecting ring plate 13 for matching with the first connecting ring plate 5 for fixing, and the first connecting ring plate 5 and the second connecting ring plate 13 are provided with a compression link 4 for clamping and connecting the first connecting ring plate 5 The clamping bolt with the second connecting ring plate 13, through the arrangement of the first connecting ring plate 5 and the second connecting ring plate 13, can better clamp the sleeve block and the connecting sleeve 2, thereby improving the connection stability between the sleeve block and the connecting sleeve 2, and preventing the connection between the threaded connecting block 11 and the threaded ring groove 9 from loosening and reducing the connection air tightness of the device; a sleeve protrusion 8 for sleeve-fitting the corrugated pipe is convexly provided in the middle part of the sleeve block, and a clamping adjustment mechanism 7 for clamping the corrugated pipe on the sleeve protrusion 8 is provided at the side end of the clamping link 4, and the clamping adjustment mechanism 7 is composed of the end of the clamping link 4 and the adjusting bolt. Through the arrangement of the clamping link 4 and the clamping adjustment mechanism 7, the corrugated pipe can be better fixed on the sleeve protrusion 8, thereby better installing the sleeve block at the end of the corrugated pipe.

[0021] In the utility model, four auxiliary fixing mechanisms 6 are equidistantly arranged on the outer wall of the sleeve block, and the auxiliary fixing mechanism 6 is composed of a fixing seat and a threaded rotating rod. The lower part of the threaded rotating rod is movably sleeved with a clamping protrusion for clamping the bellows. Through the setting of the auxiliary fixing mechanism 6, the bellows can be further assisted in clamping, so that the compression adjustment mechanism 7 can stably clamp and fix the bellows; the side ends of the second connecting ring plate 13 are provided with threaded connecting blocks 11, and the side ends of the sleeve block are provided with threaded ring grooves 9 for threading the threaded connecting blocks 11. Through the setting of the threaded ring grooves 9 and the threaded connecting blocks 11, the sleeve block and the connecting sleeve 2 can be better connected; the side ends of the threaded connecting blocks 11 are convexly provided with sealing protrusions 12, and the sleeve block is provided with sealing ring grooves 10 for extending the sealing protrusions 12. The sealing protrusions 12 are equidistantly provided with a plurality of sealing rubber pads for abutting and compressing the sealing ring grooves 10. Through the setting of the sealing protrusions 12 and the sealing rubber pads, the connection air tightness of the device can be further improved.

[0022] Working principle: when the utility model is used, first rotate the threaded rotating rod on the auxiliary fixing mechanism 6 so that the threaded rotating rod drives the clamping protrusion to rise, then the first corrugated connecting tube 1 and the second corrugated connecting tube 3 are both sleeved on the lower part of the auxiliary fixing mechanism 6, then rotate the threaded rotating rod again to make the clamping protrusion descend and compress the corrugated tube, then rotate the adjusting bolt so that the compression link 4 is tightened and contracted to fix the corrugated tube, then the sealing protrusion 12 on the connecting sleeve 2 is extended into the sealing ring groove 10, then rotate the connecting sleeve 2 so that the sleeve blocks on the first corrugated connecting tube 1 and the second corrugated connecting tube 3 are fixed on the connecting sleeve 2, and finally the compression bolts are installed on the first connecting ring plate 5 and the second connecting ring plate 13. The setting of the first connecting ring plate 5 and the second connecting ring plate 13 can better compress the sleeve block and the connecting sleeve 2, thereby improving the connection stability between the sleeve block and the connecting sleeve 2, and preventing the connection between the threaded connecting block 11 and the threaded ring groove 9 from loosening and reducing the connection air tightness of the device, and the docking of the bellows is completed.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PE corrugated pipe with a sealed butt joint, comprising a first corrugated connecting pipe (1) and a second corrugated connecting pipe (3), characterized in that: The side ends of the first corrugated connecting tube (1) and the second corrugated connecting tube (3) are symmetrically provided with sleeve blocks, the middle parts of the two sleeve blocks are provided with a connecting sleeve (2), and the side ends of the sleeve blocks are provided with a clamping link (4) for clamping and fixing the corrugated connecting tube.

2. A PE corrugated pipe with a sealed butt joint according to claim 1, characterized in that: The side ends of the sleeve blocks are each provided with a first connecting ring plate (5), the middle portion of the connecting sleeve (2) is provided with a second connecting ring plate (13) for cooperating with the first connecting ring plate (5) for fixing, and the first connecting ring plate (5) and the second connecting ring plate (13) are each provided with a clamping bolt for clamping and connecting the first connecting ring plate (5) and the second connecting ring plate (13).

3. A PE corrugated pipe with a sealed butt joint according to claim 2, characterized in that: A sleeve protrusion (8) for sleeve-fitting the corrugated pipe is convexly provided in the middle of the sleeve block, and a clamping adjustment mechanism (7) for clamping the corrugated pipe onto the sleeve protrusion (8) is provided at the side end of the clamping link (4), and the clamping adjustment mechanism (7) is composed of the end of the clamping link (4) and an adjustment bolt.

4. The PE corrugated pipe with a sealed butt joint according to claim 3, characterized in that: Four auxiliary fixing mechanisms (6) are equidistantly arranged on the outer side wall of the sleeve block. The auxiliary fixing mechanism (6) is composed of a fixing seat and a threaded rotating rod. The lower part of the threaded rotating rod is movably sleeved with a clamping protrusion for clamping the corrugated pipe.

5. The PE corrugated pipe with a sealed butt joint according to claim 4, characterized in that: The side ends of the second connecting ring plates (13) are each provided with a threaded connecting block (11), and the side ends of the sleeve blocks are provided with a threaded ring groove (9) for threading the threaded connecting block (11).

6. The PE corrugated pipe with a sealed butt joint according to claim 5, characterized in that: A sealing protrusion (12) is protruding from the side end of the threaded connecting block (11), a sealing ring groove (10) for extending the sealing protrusion (12) is opened on the sleeve block, and a plurality of sealing rubber pads for abutting and pressing the sealing ring groove (10) are equidistantly arranged on the sealing protrusion (12).

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