CN221300538U - Detachable multipurpose PE pipeline plugging device - Google Patents
Detachable multipurpose PE pipeline plugging deviceInfo
- Publication number
- CN221300538U CN221300538U CN202322371906.1U CN202322371906U CN221300538U CN 221300538 U CN221300538 U CN 221300538U CN 202322371906 U CN202322371906 U CN 202322371906U CN 221300538 U CN221300538 U CN 221300538U
- Authority
- CN
- China
- Prior art keywords
- outer wire
- annular part
- wire cylinder
- pipeline
- plugging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010926 purge Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 17
- 238000007664 blowing Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Abstract
The utility model discloses a detachable multipurpose PE pipeline plugging device which comprises a sleeve sleeved on a PE pipeline and an annular locking component connected with the sleeve into a whole through threads, wherein the sleeve comprises an outer wire cylinder annular part and an expanding part connected with one end of the outer wire cylinder annular part, the locking component is detachably connected with the outer wire cylinder annular part, an axial strip hole is formed in the outer wire cylinder annular part, and a sealing ring is arranged in the outer wire cylinder annular part. The PE pipe purging device can be reused when PE pipes are subjected to purging, strength and airtight inspection, so that the problem that the pipe cap is required to be added for plugging when conventional pipes are subjected to the experiment is solved, and the pipe cap is cut after the experiment is finished, so that the situation that materials are wasted due to the fact that PE electric melting sleeves and the pipe cap cannot be reused is avoided.
Description
Technical Field
The utility model belongs to the field of pipeline test purging, and particularly relates to a detachable multipurpose PE pipeline plugging device.
Background
In the field of natural gas pipeline construction pressure test, a tail end port of a pipeline needs to be plugged when the pipeline is purged and tested, the plugging port needs to be firmly reinforced, the connection quality is crucial, and whether the plugging is firm or not is to determine whether the pipeline leaks air or not and whether the pressure test result is accurate or not; however, in actual construction, the PE pipeline is connected by adopting the electric melting sleeve and the PE pipeline, and after the pressure test is finished, the plugging is required to be cut off, so that not only is the waste of materials caused, but also the next working procedure can be carried out only by processing the cut, and the engineering progress is also influenced.
CN210153382U discloses a PE pipeline plugging device, including the shutoff straight tube, the one end of shutoff straight tube is provided with the external screw thread that is used for being connected with the PE pipeline, and the other end of shutoff straight tube is provided with the blind plate through the screw detachable, one side of blind plate is provided with the grafting pivot, cooperation on the shutoff straight tube the fixed pivot plug bush that is provided with of grafting pivot, the fixed surface of blind plate is provided with the snap ring, and the snap ring sets up in keeping away from one side of grafting pivot. In the using process, the traditional mode of installing the blind plate by means of manual force is replaced by a lever rotation mode, and the hydraulic impact can be overcome. However, the plugging device is not easily fixed to the PE pipe and the plugging effect is still further improved.
Disclosure of utility model
Aiming at the problems of complicated PE pipeline plugging construction and material waste in the prior art, the utility model provides the detachable multipurpose PE pipeline plugging device, so that the position of the pipeline to be plugged is not required to be welded and cut for multiple times, the material waste is reduced, the plugging device can be reused, and the related requirements of urban gas construction and quality inspection and acceptance specifications are more met.
The utility model relates to a detachable multipurpose PE pipeline plugging device which comprises a sleeve sleeved on a PE pipeline and an annular locking component connected with the sleeve into a whole through threads, wherein the sleeve comprises an outer wire cylinder annular part and an expanding part connected with one end of the outer wire cylinder annular part, the locking component is detachably connected with the outer wire cylinder annular part, an axial strip hole is formed in the outer wire cylinder annular part, and a sealing ring is arranged in the outer wire cylinder annular part.
Further, the wall thickness of the outer wire barrel annular part can be 0.2-0.8mm, preferably 0.4-0.6mm, and the inner diameter of the outer wire barrel annular part is 0.5-1.0mm larger than the outer diameter of the PE pipeline, and the length of the outer wire barrel annular part can be 4-10cm, preferably 5-8cm.
Further, the expanded portion may be solid cylindrical or prismatic (for example, a penta-prismatic or hexa-prismatic shape may be used, a sleeve may be screwed easily, and the fillet lines may be used to increase friction), the length of the expanded portion may be 1.5-4.5cm, preferably 2-3cm, and the outer diameter of the expanded portion is 10-30mm, preferably 15-25mm larger than the outer diameter of the outer wire barrel ring portion.
Further, the expanding portion is provided with an inner thread hole communicated with the inner space of the annular portion of the outer thread cylinder, the inner thread hole is preferably arranged in the center of the expanding portion, threads of the inner thread hole are matched with threads of an external structure (such as a pressure measuring component), other devices are connected through the inner thread hole according to engineering requirements so as to facilitate purging and pressure testing, the inner thread hole is preferably provided with DN15 inner threads, and other test instruments such as a pressure gauge are conveniently connected.
Further, the number of the strip holes can be 2-6, preferably an even number, more preferably symmetrically distributed, correspondingly, the annular parts of the outer wire cylinder are divided into corresponding even numbers, the depth of the strip holes is 2-4mm, the width of the strip holes is 0.2-0.5mm, when the locking component is screwed down, the annular parts of the outer wire cylinder are uniformly stressed, the annular parts of the outer wire cylinder can press the PE pipeline, and the PE pipeline and the sealing ring form a good sealing structure.
Further, the number of the sealing rings is 2-5, the plurality of the sealing rings are overlapped and embedded in the inner part of the outer wire cylinder annular part along the axial direction, the central axis direction of the sealing rings is consistent with the central axis direction of the outer wire cylinder annular part, the outer diameter of the sealing rings is consistent with the inner diameter of the outer wire cylinder annular part, the thickness of the sealing rings is preferably slightly larger than the thickness of the PE pipeline, for example, 1-5mm is larger, preferably more than 2-3mm, the outer wire cylinder annular part is sleeved in the PE pipeline until the port of the PE pipeline presses the sealing rings, the plurality of the sealing rings form a multi-channel sealing structure when the locking part is screwed up, the sealing rings are made of rubber, and the outer wire cylinder annular part of the O-shaped rubber ring is embedded in the sealing rings to form a socket of the PE pipeline.
Further, the inner wall of the locking member is provided with a thread connected with the annular part of the outer wire cylinder, the locking member can be a locking nut, for example, and the length of the locking member is 2-8cm, preferably 3-5cm.
Further, the locking part is a tapered reducing locking nut, preferably a DN70-DN68 tapered reducing locking nut, when the locking nut is screwed down, the annular part of the outer wire cylinder inwards compresses the PE pipeline to form a sealing structure with the built-in O-shaped sealing ring, so that a good sealing effect is achieved.
The utility model relates to a use method of a detachable multipurpose PE pipeline plugging device, which comprises the following steps:
When a pipeline is required to be plugged, a sleeve with a solid expansion part is selected, a locking part (such as a reducing lock nut) is sleeved into the end of the PE pipeline to be plugged, then an outer wire cylinder is annularly sleeved at the port of the PE pipeline until the top end of the PE pipeline is extruded with a sealing ring, the lock nut is screwed into the annular part of the outer wire cylinder through a pair of pipe tongs and a pair of spanner, and when the lock nut is screwed, the annular part of the outer wire cylinder is inwards pressed against the PE pipeline to form a sealing structure with the built-in O-shaped sealing ring, so that the plugging is formed;
When PE pipeline blowing is needed to carry out blowing pressure test, the sleeve with the inner wire hole at the expansion part is selected, the operation is repeated, and finally, devices such as short connecting pipes of the inner wire hole, a pressure gauge and the like are used for realizing the blowing pressure test function.
The detachable multipurpose PE pipeline plugging device is suitable for plugging and blowing pressure test of the tail end of a PE pipeline with the diameter dn63 and below.
The utility model has the beneficial effects that:
The detachable multipurpose PE pipeline plugging device is simple to manufacture, quick to install and firm in sealing, reduces material waste of normal pipeline plugging, can be repeatedly used, and reduces engineering construction cost.
Drawings
Fig. 1 is a schematic structural view of a sleeve with an internal thread hole of a detachable multipurpose PE pipeline plugging device according to the present utility model.
Fig. 2 is a schematic view of the positions of the seal ring and the sleeve.
Fig. 3 is a schematic view of a locking member of a detachable multipurpose PE pipe plugging device according to the present utility model.
Fig. 4 is a view showing a use state of the detachable multipurpose PE pipe plugging device according to the present utility model.
Reference numerals:
1-sleeve, 11-outer silk section of thick bamboo cyclic annular portion, 12-expansion portion, 13-strip hole, 14-interior silk hole 1,2-PE pipeline, 3-locking part, 4-sealing washer.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1-4, the detachable multipurpose PE pipeline plugging device of the present utility model includes a sleeve 1 sleeved on a PE pipeline 2 and an annular locking member 3 screwed with the sleeve 1, wherein the sleeve 1 includes an outer wire cylinder annular portion 11 and an expanding portion 12 connected to one end of the outer wire cylinder annular portion 11, the locking member 3 is detachably connected to the outer wire cylinder annular portion 11, an axial strip hole 13 is opened on the outer wire cylinder annular portion 11, and a sealing ring 4 is provided in the outer wire cylinder annular portion 11.
The wall thickness of the outer wire cylinder annular part 11 is 0.2-0.8mm, preferably 0.4-0.6mm, the inner diameter of the outer wire cylinder annular part 11 is 0.5-1.0mm larger than the outer diameter of the PE pipeline, and the length of the outer wire cylinder annular part 11 is 4-10cm, preferably 5-8cm.
The expansion part 12 is solid cylinder or prismatic (for example, a sleeve can be screwed conveniently in a pentaprismatic shape or a hexaprismatic shape, a fillet line is used for increasing friction), the length of the expansion part 12 is 1.5-4.5cm, preferably 2-3cm, and the outer diameter of the expansion part 12 is 10-30mm, preferably 15-25mm larger than the outer diameter of the outer wire cylinder annular part 11.
The expansion part 12 is provided with an internal thread hole 14 communicated with the inner space of the outer thread cylinder annular part 11, the internal thread hole 14 is preferably arranged in the center of the expansion part 12, threads of the internal thread hole 14 are matched with threads of an external structure (such as a pressure measuring part), other devices are connected through the internal thread hole 14 according to engineering requirements so as to facilitate purging and pressure testing, the internal thread hole 14 is preferably provided with DN15 internal threads, and other test instruments such as a pressure gauge are conveniently connected.
The number of the strip holes 13 is 2-6, preferably even, more preferably symmetrically distributed, correspondingly, the annular parts 11 of the outer wire cylinder are divided into corresponding even pieces, the depth of the strip holes 13 is 2-4mm, the width of the strip holes is 0.2-0.5mm, when the locking component 3 is screwed down, the annular parts 11 of the outer wire cylinder are uniformly stressed, and the annular parts 11 of the outer wire cylinder can press the PE pipeline 2 to form a good sealing structure with the sealing ring 4.
The number of the sealing rings 4 is, for example, 2 to 5, the plurality of sealing rings 4 are overlapped and embedded in the outer wire cylinder annular part 11 along the axial direction, the central axis direction of the sealing rings 4 is consistent with the central axis direction of the outer wire cylinder annular part 11, the outer diameter of the sealing rings 4 is consistent with the inner diameter of the outer wire cylinder annular part 11, the thickness is preferably slightly larger than the thickness of the PE pipeline 2, for example, 1 to 5mm, preferably more than 2 to 3mm, the outer wire cylinder annular part 11 is sleeved in the PE pipeline 2 until the port of the PE pipeline 2 presses the sealing rings 4, the plurality of sealing rings form a multi-channel sealing structure when the locking part is screwed and plugged, the material of the sealing rings 4 can be rubber, and the outer wire cylinder annular part 11 embedded with the O-shaped rubber ring inside forms a socket of the PE pipeline.
The inner wall of the locking member 3 is provided with a thread connected to the outer wire cylinder ring 11, the locking member 3 may be, for example, a locking nut, and the length of the locking member 3 is 2-8cm, preferably 3-5cm.
The locking part 3 is a tapered reducing locking nut, preferably a DN70-DN68 tapered reducing locking nut, when the locking nut is screwed down, the outer wire cylinder annular part 11 inwards presses the PE pipeline to form a sealing structure with the built-in O-shaped sealing ring, so that a good sealing effect is achieved.
The utility model relates to a use method of a detachable multipurpose PE pipeline plugging device, which comprises the following steps:
When a pipeline is required to be plugged, a sleeve with a solid expansion part 12 is selected, a locking part 3 (such as a reducing lock nut) is sleeved into the end to be plugged of the PE pipeline 2, then an outer wire cylinder annular part 11 is sleeved on the port of the PE pipeline until the top end of the PE pipeline is extruded with a sealing ring 4, the lock nut is screwed into the outer wire cylinder annular part 11 through a pipe wrench and a spanner, and when the lock nut is screwed, the outer wire cylinder annular part 11 is inwards pressed with the PE pipeline to form a sealing structure with an internal O-ring, so that the plugging is formed;
When PE pipeline blowing is needed for blowing and pressure testing, the sleeve with the inner wire hole 14 on the expansion part 12 is selected, the operation is repeated, and finally devices such as short connecting pipes of the inner wire hole 14 and pressure gauges are used for realizing the blowing and pressure testing function.
Example 1
The utility model provides a removable multipurpose PE pipeline plugging device, its includes sleeve 1 and the annular locking part 3 as an organic whole with sleeve 1 threaded connection that cup joints on PE pipeline 2, sleeve 1 includes outer silk section of thick bamboo annular part 11 and connects the expansion portion 12 in outer silk section of thick bamboo annular part 11 one end, locking part 3 can dismantle with outer silk section of thick bamboo annular part 11 and be connected, open on the outer silk section of thick bamboo annular part 11 has axial strip hole 13, the inside of outer silk section of thick bamboo annular part 11 is equipped with sealing washer 4.
The wall thickness of the outer wire cylinder annular part 11 is 0.4mm, the inner diameter of the outer wire cylinder annular part 11 is 0.5mm larger than the outer diameter of the PE pipeline, and the length of the outer wire cylinder annular part 11 is 6cm.
The expansion part 12 is solid cylinder, the length of the expansion part 12 is 3cm, and the outer diameter of the expansion part 12 is larger than the outer diameter of the outer wire cylinder annular part 11 by 15mm.
The number of the strip holes 13 is 4, the strip holes are symmetrically distributed, correspondingly, the annular parts 11 of the outer wire cylinder are divided into corresponding even number of pieces, the depth of the strip holes 13 is 4mm, the width of the strip holes is 0.4mm, when the locking component 3 is screwed down, the annular parts 11 of the outer wire cylinder are uniformly stressed, and the annular parts 11 of the outer wire cylinder can compress the PE pipeline 2 to form a good sealing structure with the sealing ring 4.
The sealing rings 4 are O-shaped, the number is 2, a plurality of sealing rings 4 are overlapped and embedded in the inner part of the outer wire cylinder annular part 11 along the axial direction, the central axis direction of the sealing rings 4 is consistent with the central axis direction of the outer wire cylinder annular part 11, the outer diameter of the sealing rings 4 is consistent with the inner diameter of the outer wire cylinder annular part 11, the thickness is larger than the thickness 2mm of the PE pipeline 2, the outer wire cylinder annular part 11 is sleeved into the PE pipeline 2 until the port of the PE pipeline 2 presses the sealing rings 4, a plurality of sealing rings form a multi-channel sealing structure when the locking parts are screwed and blocked, the sealing rings 4 can be made of rubber, and the outer wire cylinder annular part 11 embedded with O-shaped rubber rings in the sealing rings forms a socket of the PE pipeline.
The inner wall of the locking part 3 is provided with threads connected with the outer thread cylinder annular part 11, the locking part 3 is a locking nut, and the length of the locking part 3 is 5cm.
When the pipeline is required to be plugged, the expansion part 12 is a solid sleeve, the lock nut is sleeved into the tail end of the PE pipeline 2 to be plugged, then the outer wire cylinder annular part 11 is sleeved on the port of the PE pipeline until the top end of the PE pipeline is extruded to the sealing ring 4, the lock nut is screwed into the outer wire cylinder annular part 11 through a pair of pipe tongs and a pair of wrench, and when the lock nut is screwed, the outer wire cylinder annular part 11 is pressed inwards to form a sealing structure together with the built-in O-shaped sealing ring, so that the plugging is formed.
Example 2
The utility model relates to a detachable multipurpose PE pipeline plugging device which comprises a sleeve 1 sleeved on a PE pipeline 2 and an annular locking component 3 in threaded connection with the sleeve 1 into a whole, wherein the sleeve 1 comprises an outer wire cylinder annular part 11 and an expanding part 12 connected with one end of the outer wire cylinder annular part 11, the locking component 3 is detachably connected with the outer wire cylinder annular part 11, an axial strip hole 13 is formed in the outer wire cylinder annular part 11, and a sealing ring 4 is arranged in the outer wire cylinder annular part 11.
The wall thickness of the outer wire cylinder annular part 11 is 0.2mm, the inner diameter of the outer wire cylinder annular part 11 is 0.5mm larger than the outer diameter of the PE pipeline, and the length of the outer wire cylinder annular part 11 is 8cm.
The expansion part 12 is provided with an internal thread hole 14 communicated with the inner space of the outer thread cylinder annular part 11, the internal thread hole 14 is arranged in the center of the expansion part 12, threads of the internal thread hole 14 are matched with threads of an external structure (such as a pressure measuring part), other devices are connected through the internal thread hole 14 according to engineering requirements so as to facilitate purging and pressure testing, the internal thread hole 14 is preferably provided with DN15 internal threads, and other test instruments such as a pressure gauge are conveniently connected.
The number of the strip holes 13 is 4, the strip holes are symmetrically distributed, correspondingly, the annular parts 11 of the outer wire cylinder are divided into corresponding even number of pieces, the depth of the strip holes 13 is 4mm, the width of the strip holes is 0.4mm, when the locking component 3 is screwed down, the annular parts 11 of the outer wire cylinder are uniformly stressed, and the annular parts 11 of the outer wire cylinder can compress the PE pipe 2 to form a good sealing structure with the sealing ring 4.
The sealing rings 4 are O-shaped, the number is 2, a plurality of sealing rings 4 are overlapped and embedded in the inner part of the outer wire cylinder annular part 11 along the axial direction, the central axis direction of the sealing rings 4 is consistent with the central axis direction of the outer wire cylinder annular part 11, the outer diameter of the sealing rings 4 is consistent with the inner diameter of the outer wire cylinder annular part 11, the thickness is larger than the thickness 2mm of the PE pipeline 2, the outer wire cylinder annular part 11 is sleeved into the PE pipeline 2 until the port of the PE pipeline 2 presses the sealing rings 4, a plurality of sealing rings form a multi-channel sealing structure when the locking parts are screwed and blocked, the sealing rings 4 can be made of rubber, and the outer wire cylinder annular part 11 embedded with O-shaped rubber rings in the inner part forms a PE pipe socket.
The inner wall of the locking part 3 is provided with threads connected with the outer thread cylinder annular part 11, the locking part 3 is a DN70-DN68 tapered reducing lock nut, and when the lock nut is screwed down, the outer thread cylinder annular part 11 inwards compresses the PE pipe to form a sealing structure with a built-in O-shaped sealing ring, so that a good sealing effect is achieved.
When the PE pipeline is required to be blown for purging and pressure testing, a sleeve with an inner thread hole 14 at an expanding part 12 is selected, a lock nut is sleeved into the end to be plugged of the PE pipeline 2, then an outer thread cylinder annular part 11 is sleeved on the port of the PE pipeline until the top end of the PE pipeline is extruded with a sealing ring 4, the lock nut is screwed into the outer thread cylinder annular part 11 through a pair of pipe tongs and a pair of wrench, when the lock nut is screwed, the outer thread cylinder annular part 11 is inwards pressed with the PE pipeline to form a sealing structure with an internal O-shaped sealing ring, and finally the inner thread hole 14 is connected with devices such as a short pipe, a pressure gauge and the like, so that the purging and pressure testing function is realized.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a removable multipurpose PE pipeline plugging device, a serial communication port, it includes sleeve (1) and the annular locking part (3) as an organic whole with sleeve (1) threaded connection on PE pipeline (2), sleeve (1) include outer silk section of thick bamboo annular part (11) and connect in the expansion portion (12) of outer silk section of thick bamboo annular part (11) one end, locking part (3) are connected with outer silk section of thick bamboo annular part (11) can dismantle, open on outer silk section of thick bamboo annular part (11) has axial strip hole (13), the inside of outer silk section of thick bamboo annular part (11) is equipped with sealing washer (4), the inside of expanding portion (12) is opened have with the interior silk hole (14) that link up of outer silk section of thick bamboo annular part (11), the screw thread of interior silk hole (14) matches with the screw thread of external structure, sealing washer (4) are O-shaped, a plurality of sealing washers (4) inlay in the inside of outer silk section of thick bamboo annular part (11) along the axial overlap, outer silk section of thick bamboo annular part (11) embolia plurality of thick bamboo annular parts (4) are embolia PE pipeline (2) until the port extrusion of PE pipeline (2) is gone up, the center pin direction of outer silk section of thick bamboo annular part (4) is unanimous with the external diameter direction of sealing washer (4).
2. The detachable multipurpose PE pipe plugging device according to claim 1, wherein the wall thickness of the outer wire cylinder annular portion (11) is 0.2-0.8mm, the inner diameter of the outer wire cylinder annular portion (11) is larger than the outer diameter of the PE pipe (2), and the length of the outer wire cylinder annular portion (11) is 4-10cm.
3. The detachable multipurpose PE pipe plugging device according to claim 2, wherein the wall thickness of the outer wire cylinder annular portion (11) is 0.4-0.6mm, and the length of the outer wire cylinder annular portion (11) is 5-8cm.
4. A detachable multipurpose PE pipe plugging device according to any of claims 1-3, wherein the enlarged portion (12) is solid cylindrical or prismatic, the outer diameter of the enlarged portion (12) being larger than the outer diameter of the outer wire barrel ring portion (11).
5. The detachable multipurpose PE pipe plugging device according to claim 4, wherein the length of the enlarged portion (12) is 1.5-4.5cm, and the outer diameter of the enlarged portion is 10-30mm larger than the outer diameter of the outer wire cylinder ring portion.
6. The detachable multipurpose PE pipe plugging device according to claim 1, wherein the number of the strip holes (13) is even, symmetrically distributed, and the outer wire cylinder ring (11) is divided into corresponding even pieces.
7. The detachable multipurpose PE pipe plugging device according to claim 1, wherein the inner wall of the locking member (3) is provided with threads connected to the outer wire barrel ring portion (11).
8. The detachable multipurpose PE pipe plugging device according to claim 1 or 7, wherein the locking member (3) is a tapered reducing lock nut.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221300538U true CN221300538U (en) | 2024-07-09 |
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