CN220668650U - Double-layer pipe with tracing line - Google Patents
Double-layer pipe with tracing line Download PDFInfo
- Publication number
- CN220668650U CN220668650U CN202322277949.3U CN202322277949U CN220668650U CN 220668650 U CN220668650 U CN 220668650U CN 202322277949 U CN202322277949 U CN 202322277949U CN 220668650 U CN220668650 U CN 220668650U
- Authority
- CN
- China
- Prior art keywords
- round cover
- wall
- trace
- cylinder
- floating ring
- 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
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 239000000700 radioactive tracer Substances 0.000 claims description 31
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000002355 dual-layer Substances 0.000 claims 5
- 239000004698 Polyethylene Substances 0.000 abstract description 24
- -1 polyethylene Polymers 0.000 abstract description 24
- 229920000573 polyethylene Polymers 0.000 abstract description 24
- 238000005452 bending Methods 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010415 tidying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a double-layer pipe with trace lines, which relates to the technical field of polyethylene pipes and comprises an inner pipe and an outer pipe, wherein the outer wall of the inner pipe is provided with a plurality of strip-shaped reinforcing ribs, the plurality of reinforcing ribs are distributed at equal intervals along the circumferential direction of the inner pipe, each reinforcing rib is arranged in an extending manner along the length direction of the inner pipe, the top of each reinforcing rib is provided with a trace line accommodating groove along the length direction of the reinforcing rib, each trace line accommodating groove is internally provided with a trace line and a plurality of elastic positioning blocks, the plurality of elastic positioning blocks are distributed in the corresponding trace line accommodating grooves at intervals and are arranged on two sides of the corresponding trace lines in a left-right alternating manner, and the trace lines are positioned in the trace line accommodating grooves in an S-shaped manner; the outer tube is sleeved on the outer side of the inner tube, and the inner wall of the outer tube abuts against the top surface of each reinforcing rib. The utility model provides a double-layer pipe with a tracing line, which is convenient for detecting the position of a pipeline and does not reduce the bending flexibility of a polyethylene pipe.
Description
Technical Field
The utility model relates to the technical field of polyethylene pipes, in particular to a double-layer pipe with a tracing line.
Background
The polyethylene pipe has excellent physical properties including high toughness, flexibility, creep resistance, hot melt adhesive property and the like, can adapt to uneven settlement and dislocation, and has better anti-seismic property. Therefore, the method is widely applied to the fields of water affairs, fuel gas, oil transportation and the like.
Because the polyethylene pipe is a plastic pipe, the concrete position and depth of the pipeline are difficult to detect in the later period after the underground layout is completed. This problem can be solved by embedding trace lines in the polyethylene tubing. However, the tracer line is the metal material, and the stretchability is less, and after the embedded tracer line of establishing of polyethylene pipe, can great influence the crooked pliability of polyethylene pipe, makes its use scene limited, if crooked installation polyethylene pipe by force, perhaps can tear the tracer line.
Disclosure of Invention
The utility model aims to solve the problems, and provides a double-layer pipe with a tracer line, which is convenient for detecting the position of a pipeline and does not reduce the bending flexibility of a polyethylene pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the double-layer pipe with the tracer lines comprises an inner pipe and an outer pipe, wherein a plurality of strip-shaped reinforcing ribs are arranged on the outer wall of the inner pipe, the reinforcing ribs are distributed at equal intervals along the circumferential direction of the inner pipe, each reinforcing rib extends along the length direction of the inner pipe, a tracer line accommodating groove is formed in the top of each reinforcing rib along the length direction of the reinforcing rib, a tracer line and a plurality of elastic positioning blocks are arranged in each tracer line accommodating groove, the elastic positioning blocks are distributed in the corresponding tracer line accommodating grooves at intervals and are arranged on two sides of the corresponding tracer lines in a left-right alternating mode, and the tracer lines are positioned in the tracer line accommodating grooves in an S shape; the outer tube is sleeved on the outer side of the inner tube, and the inner wall of the outer tube abuts against the top surface of each reinforcing rib.
Preferably, the elastic positioning block comprises an upper circular cover, a lower circular cover, a floating ring and a plurality of springs, wherein the upper circular cover and the lower circular cover are fixedly connected through a cylinder in a butt joint mode, the upper circular cover, the cylinder and the lower circular cover are coaxially arranged, the floating ring is located between the upper circular cover and the lower circular cover and sleeved on the cylinder, the inner diameter of the floating ring is larger than the diameter of the cylinder, the springs are arranged between the inner wall of the floating ring and the outer wall of the cylinder, the springs are distributed at equal intervals along the circumferential direction of the cylinder, one end of each spring abuts against the inner wall of the floating ring, the other end abuts against the outer wall of the cylinder, and an annular clamping groove for clamping a tracer line is formed in the outer wall of the floating ring in a surrounding mode.
Preferably, the diameter of the upper round cover is the same as the diameter of the lower round cover and is larger than the outer diameter of the floating ring, an upper annular flanging is arranged at the edge of one side of the upper round cover, which faces the lower round cover, a lower annular flanging is arranged at the edge of one side of the lower round cover, and a gap for the tracer line to enter is reserved between the upper annular flanging and the lower annular flanging.
Preferably, the cross section of the annular clamping groove is V-shaped.
Preferably, the inner wall of the floating ring and the outer wall of the cylinder are both provided with positioning grooves of springs.
Preferably, a positioning bayonet used for limiting the movement of the elastic positioning block is arranged on the inner side wall of the trace line accommodating groove.
Therefore, the utility model has the following beneficial effects: 1. the tracing lines are arranged in an S shape, and the two sides of the tracing lines are supported by the elastic positioning blocks, so that when the polyethylene pipe needs to be bent and installed, the metal tracing lines can also stretch out of the metal tracing lines at the S-shaped bending part by extruding the elastic positioning blocks, and further the bending of the polyethylene pipe is adapted; 2. through set up the outer tube in the inner tube outside, can prevent effectively that the inner tube from being scratched in transportation or installation, and then reduce the leakage risk of polyethylene pipe.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic view of the internal structure of the present utility model.
Fig. 5 is a top view of the inner tube of the present utility model.
Fig. 6 is an enlarged view at b in fig. 5.
Fig. 7 is a schematic structural view of an elastic positioning block in the present utility model.
Fig. 8 is an exploded view of the elastic positioning block in the present utility model.
Fig. 9 is a schematic structural view of the elastic positioning block for opening the upper round cover in the utility model.
1: an inner tube; 2: an outer tube; 3: reinforcing ribs; 4: a trace line accommodating groove; 5: a trace line; 6: an elastic positioning block; 601: a round cover is arranged on the upper part; 602: a lower round cover; 603: a floating ring; 604: a spring; 605: a cylinder; 606: an annular clamping groove; 607: an upper annular flanging; 608: a lower annular flanging; 7: positioning the bayonet.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
Referring to fig. 1 to 9, the double-layer pipe with the tracer lines comprises an inner pipe 1 and an outer pipe 2, six strip-shaped reinforcing ribs 3 are arranged on the outer wall of the inner pipe 1, the six reinforcing ribs 3 are distributed at equal intervals along the circumferential direction of the inner pipe 1, each reinforcing rib 3 extends along the length direction of the inner pipe 1, a tracer line accommodating groove 4 is formed in the top of each reinforcing rib 3 along the length direction of the reinforcing rib 3, a tracer line 5 and a plurality of elastic positioning blocks 6 are arranged in each tracer line accommodating groove 4, the width and the depth of each tracer line accommodating groove 4 are larger than the diameter of the tracer line 5, the elastic positioning blocks 6 are distributed in the corresponding tracer line accommodating grooves 4 at equal intervals and are arranged on two sides of the corresponding tracer line 5 in a left-right alternating mode, positioning bayonets for limiting the movement of the elastic positioning blocks 6 are arranged on the inner side walls of the tracer line accommodating grooves 4, and the tracer lines 5 are positioned in the tracer line accommodating grooves 4 in an S shape; the outer tube 2 is sleeved on the outer side of the inner tube 1, and the inner wall of the outer tube 2 abuts against the top surface of each reinforcing rib 3.
The elastic positioning block 6 is composed of an upper round cover 601, a lower round cover 602, a floating ring 603 and four springs 604, as shown in fig. 7 to 9, the upper round cover 601 and the lower round cover 602 are in butt joint and fixed through a cylinder 605, the upper round cover 601, the cylinder 605 and the lower round cover 602 are coaxially arranged, the floating ring 603 is located between the upper round cover 601 and the lower round cover 602 and sleeved on the cylinder 605, the inner diameter of the floating ring 603 is larger than the diameter of the cylinder 605, the floating ring 603 can move in a plane perpendicular to the central axis of the cylinder 605, four springs 604 are arranged between the inner wall of the floating ring 603 and the outer wall of the cylinder 605, the four springs 604 are distributed at equal intervals along the circumferential direction of the cylinder 605, one end of each spring 604 abuts against the inner wall of the floating ring 603, the other end abuts against the outer wall of the cylinder 605, positioning grooves of the springs 604 are formed in the inner wall of the floating ring 603 and the outer wall of the cylinder 605, and the four springs 604 are used for resetting the floating ring 603, so that the floating ring 603 and the floating ring 605 keeps a coaxial position with the cylinder 605 under the condition of no external force. The outer wall of the floating ring 603 is provided with an annular clamping groove 606 for clamping the trace line 5, the trace line 5 is clamped in the annular clamping groove 606 on one side of the floating ring 603 in an arc shape when passing through the elastic positioning block 6, an S-shaped bending part is formed, and the cross section of the annular clamping groove 606 is V-shaped, so that the trace line 5 can be clamped and positioned at the bottom of the annular clamping groove 606.
The diameter of the upper round cover 601 is the same as that of the lower round cover 602 and is larger than the outer diameter of the floating ring 603, an upper annular flanging 607 is arranged at the edge of one side of the upper round cover 601 facing the lower round cover 602, a lower annular flanging 608 is arranged at the edge of one side of the lower round cover 602 facing the upper round cover 601, and a gap for the tracer line 5 to enter is reserved between the upper annular flanging 607 and the lower annular flanging 608.
When the polyethylene pipe needs to be bent and installed, the tracer line 5 on the back side of the polyethylene pipe needs to be stretched appropriately to adapt to the bending of the polyethylene pipe. At this time, the trace 5 which is S-shaped and arranged in the trace accommodating groove 4 on the back side of the polyethylene pipe can be moved eccentrically relative to the cylinder 605 by pushing the floating ring 603 at the S-shaped bending portion, so that the whole length of the trace 5 is elongated, and the bending of the polyethylene pipe can be adapted.
If the polyethylene pipe is temporarily bent, when the polyethylene pipe is recovered to be straight, the floating ring 603 is reset to be coaxial with the cylinder 605 under the action of the four springs 604 on the inner side, the whole length of the tracer line 5 is shortened, and the tracer line 5 is always kept in a tensioning and tidying state, so that the next bending of the polyethylene pipe is facilitated.
Simultaneously, set up outer tube 2 in inner tube 1 outside for the polyethylene pipe can not cause inner tube 1 fish tail in transport or work progress, reduces the leakage risk of polyethylene pipe. And can fill a certain amount of nitrogen gas in the cavity between inner tube 1 and outer tube 2, guarantee the inside and outside pressure balance of inner tube 1 to improve the whole life-span of polyethylene pipe, also can guarantee that outer tube 2 can not appear warping under the condition of external force extrusion after burying. Even when the inner pipe 1 is damaged, the fluid in the inner pipe 1 can be stored in the hollow cavity by the outer pipe 2, and the potential safety hazard of leakage of the fluid in the pipeline can not occur.
Claims (6)
1. The utility model provides a take double-deck tubular product of tracer line which characterized in that: the novel tracking device comprises an inner tube (1) and an outer tube (2), wherein a plurality of strip-shaped reinforcing ribs (3) are arranged on the outer wall of the inner tube (1), the reinforcing ribs (3) are distributed at equal intervals along the circumferential direction of the inner tube (1), each reinforcing rib (3) extends along the length direction of the inner tube (1), a tracking line accommodating groove (4) is formed in the top of each reinforcing rib (3) along the length direction of the reinforcing rib (3), a tracking line (5) and a plurality of elastic positioning blocks (6) are arranged in each tracking line accommodating groove (4), the elastic positioning blocks (6) are distributed in the corresponding tracking line accommodating grooves (4) at intervals and are arranged on two sides of the corresponding tracking line (5) in a left-right alternating mode, and the tracking lines (5) are positioned in the tracking line accommodating grooves (4) in an S-shaped mode; the outer tube (2) is sleeved on the outer side of the inner tube (1), and the inner wall of the outer tube (2) is abutted against the top surface of each reinforcing rib (3).
2. A dual layer pipe with trace as claimed in claim 1, wherein: the elastic positioning block (6) consists of an upper round cover (601), a lower round cover (602), a floating ring (603) and a plurality of springs (604), wherein the upper round cover (601) and the lower round cover (602) are fixedly connected through a cylinder (605) in a butt joint mode, the upper round cover (601), the cylinder (605) and the lower round cover (602) are coaxially arranged, the floating ring (603) is located between the upper round cover (601) and the lower round cover (602) and sleeved on the cylinder (605), the inner diameter of the floating ring (603) is larger than the diameter of the cylinder (605), a plurality of springs (604) are arranged between the inner wall of the floating ring (603) and the outer wall of the cylinder (605), the springs (604) are distributed at equal intervals along the circumferential direction of the cylinder (605), one end of each spring (604) abuts against the inner wall of the floating ring (603), and the other end abuts against the outer wall of the cylinder (605), and an annular clamping groove (606) for clamping a trace line (5) is formed in the outer wall of the floating ring (603).
3. A dual layer pipe with trace as claimed in claim 2, wherein: the diameter of the upper round cover (601) is the same as that of the lower round cover (602) and is larger than the outer diameter of the floating ring (603), an upper annular flanging (607) is arranged at the edge of one side of the upper round cover (601) facing the lower round cover (602), a lower annular flanging (608) is arranged at the edge of one side of the lower round cover (602) facing the upper round cover (601), and a gap for the tracer line (5) to enter is reserved between the upper annular flanging (607) and the lower annular flanging (608).
4. A dual layer pipe with trace as claimed in claim 2, wherein: the cross section of the annular clamping groove (606) is V-shaped.
5. A dual layer pipe with trace as claimed in claim 2, wherein: the inner wall of the floating ring (603) and the outer wall of the cylinder (605) are both provided with positioning grooves of springs (604).
6. A dual layer pipe with trace as claimed in claim 2, wherein: the inner side wall of the trace line accommodating groove (4) is provided with a positioning bayonet (7) for limiting the movement of the elastic positioning block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322277949.3U CN220668650U (en) | 2023-08-23 | 2023-08-23 | Double-layer pipe with tracing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322277949.3U CN220668650U (en) | 2023-08-23 | 2023-08-23 | Double-layer pipe with tracing line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668650U true CN220668650U (en) | 2024-03-26 |
Family
ID=90342144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322277949.3U Active CN220668650U (en) | 2023-08-23 | 2023-08-23 | Double-layer pipe with tracing line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668650U (en) |
-
2023
- 2023-08-23 CN CN202322277949.3U patent/CN220668650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3860039A (en) | Pipelines | |
| CN220668650U (en) | Double-layer pipe with tracing line | |
| CN116928464A (en) | Double-layer pipe with tracing line | |
| CN209977493U (en) | Improved socket joint | |
| CN209943733U (en) | Self-locking socket joint with built-in snap ring | |
| CN207634833U (en) | A kind of petroleum pipeline sealing twin adapter attachment device | |
| CN211232016U (en) | Socket-embedded self-fixing steel-plastic composite full-swinging dragging pipe | |
| CN212080474U (en) | Steel wire mesh framework polyethylene plastic composite pipe joint | |
| CN210860179U (en) | Connecting device for building drainage pipelines | |
| CN208871244U (en) | A kind of municipal works draining wear-and corrosion-resistant type pipeline | |
| CN220204943U (en) | Double-layer detectable PE pipe | |
| CN207421550U (en) | Outer octagon inner circle double-wall corrugated pipe | |
| CN216952258U (en) | Pipeline insulation structure | |
| CN220910702U (en) | Compression-resistant salt-resistant alkali-resistant type PVC-N pipe for saline-alkali soil | |
| CN210661857U (en) | PVC pipe flaring mounting structure | |
| CN213871475U (en) | Detectable Polyethylene (PE) pipe fitting | |
| CN214618437U (en) | Connecting device for high-density polyethylene spiral winding pipe | |
| CN218914141U (en) | Fusion welding joint for sewage pipes | |
| CN216595642U (en) | Silicon core pipe | |
| CN221121350U (en) | Bell and spigot joint of water supply pipe | |
| CN215410771U (en) | Water supply PE pipeline connecting structure | |
| CN217328806U (en) | Multi-pipeline river channel conveying, mounting and fixing device | |
| CN213512396U (en) | High density polyethylene is anti-bending deformation protection device for blow-down pipe | |
| CN210623845U (en) | Steel connection sealing structure | |
| CN207229998U (en) | A kind of feedwater polyethylene tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |