Krah pipe
By setting up installation grooves and connection rings at the socket ends and socket ends of the carat tube, the melt connection between the heating wire and the connecting ring is solved, and the connection strength and sealing of the carat tube are improved.
Patent Information
- Application Number
- CN202423105346.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The electric heating wires of existing carat tubes are prone to loosening and offset when connected, affecting the quality of the electric melt and the strength of the connection.
A kind of carat tube is designed, and the inner walls of the socket ends and socket ends are provided with mounting grooves and connecting rings. The melt connection between the heating wire and the connecting ring is ensured to ensure the stability and contact area of the electric heating wire, and improve the connection strength and sealing.
It effectively improves the connection strength and sealing between the bearing end and the socket end, prevents the electric heating wire from loosening and deviating, and increases the melting area and contact area.
Smart Images
Figure CN222351751U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of pipes, and in particular to a carat pipe. Background Art
[0002] Carat tube is a hot-wound high-density polyethylene (HDPE) wound structural wall tube. This wall tube is made of high-density polyethylene resin as the main raw material, adopts a hot-wound process, and uses polypropylene (PP) single-wall corrugated pipe as the supporting structure to form a special structural wall pipe with high resistance to external pressure.
[0003] The inner wall of the socket end of the existing carat tube is provided with a heating wire. When laying the pipeline, the spigot ends and the socket ends of the two carat tubes are butt-jointed, and then the heating wire is energized, and the spigot ends and the socket ends of the two carat tubes are fused to each other through the electric heat fusion connection technology to achieve a sealed connection of the pipeline.
[0004] However, in the existing carat tube, the heating wire is directly arranged on the inner wall of the socket end. When the socket end is inserted into the socket end, it is easy to touch the heating wire, causing the heating wire to loosen and shift, resulting in changes in the contact position and contact area between the heating wire and the socket end and the socket end, which greatly affects the electric hot melting quality of the heating wire and reduces the connection strength between the socket end and the socket end. Utility Model Content
[0005] In order to overcome the deficiencies of the prior art, the present application provides a carat tube capable of improving the connection strength between the socket end and the spigot end.
[0006] The present application provides a carat tube adopting the following technical solution:
[0007] A carat tube, comprising a tube body, a socket end and a spigot end respectively located at two ends of the tube body, wherein the inner wall of the socket end is provided with a first installation groove, a first heating wire is accommodated in the first installation groove, and the outer diameter of the first heating wire is equal to the groove depth of the first installation groove;
[0008] The socket end has an annular first end wall, and the inner wall of the socket end is coaxially provided with a first connecting ring for contacting with the first end wall, the first connecting ring is located on a side of the first heating wire close to the socket end, and a second heating wire is arranged on the first connecting ring, and the second heating wire is connected to the first heating wire;
[0009] The socket end has an annular second end wall, and the second end wall is circumferentially provided with a third heating wire, the third heating wire is connected to the first heating wire, and the socket end is provided with a second connecting ring for contacting with the second end wall.
[0010] By adopting the above technical solution, the first end wall and the first connecting ring can be relatively melted by the second heating wire, and the second end wall and the second connecting ring can be relatively melted by the third heating wire. By melting and connecting the first end wall and the first connecting ring, and the second end wall and the second connecting ring, not only the connection strength between the socket end and the plug end can be effectively improved, but also the connection sealing between the socket end and the plug end can be improved.
[0011] In a specific implementation manner, the outer diameter of the first heating wire is equal to the slot width of the first mounting slot.
[0012] By adopting the above technical solution, it is possible to prevent the first heating wire from being separated from the first installation groove and affecting its hot melting effect on the plug end and the socket end.
[0013] In a specific possible implementation manner, the first heating wire extends in a wave shape around the circumference of the socket end, and the extension direction of the first mounting groove is consistent with the extension direction of the first heating wire.
[0014] By adopting the above technical solution, a number of groove walls can be provided between the several bands of the first heating wire. The several groove walls can be relatively melted with the plug end under the action of the first heating wire, thereby increasing the melting area between the socket ends and the socket ends, thereby further improving the connection strength between the socket ends and the socket ends.
[0015] In a specific possible implementation manner, a second annular installation groove is coaxially formed on one side of the first connecting ring facing the first heating wire, and the second heating wire is accommodated in the second installation groove.
[0016] By adopting the above technical solution, the second heating wire can be accommodated in the second installation groove, thereby preventing the first end wall from directly pressing against the second heating wire and causing damage to the second heating wire.
[0017] In a specific implementation manner, the outer diameter of the second heating wire is equal to the groove depth of the second mounting groove.
[0018] By adopting the above technical solution, the second installation groove whose groove depth is equal to the outer diameter of the second heating wire will not affect the contact between the second heating wire and the first end wall, ensuring that the second heating wire can effectively achieve hot melting of the first end wall.
[0019] In a specific implementation manner, the outer diameter of the second heating wire is equal to the slot width of the second mounting slot.
[0020] By adopting the above technical solution, it is possible to prevent the second heating wire from being separated from the second installation groove and affecting its hot melting effect on the first end wall and the first connecting ring.
[0021] In a specific possible implementation manner, a third annular installation groove is coaxially formed on the second end wall, and the third heating wire is accommodated in the third installation groove.
[0022] By adopting the above technical solution, the third heating wire can be accommodated in the third installation groove, thereby preventing the second connecting ring from directly pressing on the third heating wire and causing damage to the third heating wire.
[0023] In a specific implementation manner, the outer diameter of the third heating wire is equal to the depth of the third mounting groove.
[0024] By adopting the above technical solution, the third installation groove whose groove depth is equal to the outer diameter of the third heating wire will not affect the contact between the third heating wire and the second connecting ring, ensuring that the third heating wire can effectively achieve hot melting of the second connecting ring.
[0025] In summary, the present application includes at least one of the following beneficial technical effects:
[0026] The first end wall and the first connecting ring can be relatively melted by the second heating wire, and the second end wall and the second connecting ring can be relatively melted by the third heating wire. By melting and connecting the first end wall and the first connecting ring, and the second end wall and the second connecting ring, not only can the connection strength between the socket end and the plug end be effectively improved, but also the connection sealing between the socket end and the plug end can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the structure of the carat tube according to an embodiment of the present application.
[0028] Figure 2 It is a schematic diagram of an axial cross section of a carat tube according to an embodiment of the present application.
[0029] Description of reference numerals:
[0030] 1. Pipe body; 2. Socket end; 21. Second end wall; 3. Socket end; 31. First end wall; 4. First mounting groove; 5. First heating wire; 6. First connecting ring; 7. Second heating wire; 8. Second mounting groove; 9. Third heating wire; 10. Second connecting ring; 11. Third mounting groove; 12. Winding rod; 13. Fourth heating wire. DETAILED DESCRIPTION
[0031] The present application is further described in detail below in conjunction with the accompanying drawings.
[0032] See also Figure 1-2As shown, a carat tube is shown, comprising a tube body 1, a winding rod 12 spirally wound around the outer side of the tube body 1, a socket end 2 and a plug end 3 respectively located at both ends of the tube body 1, a first mounting groove 4 is opened on the inner wall of the socket end 2, a first heating wire 5 is accommodated in the first mounting groove 4, and the groove depth and groove width of the first mounting groove 4 are equal to the outer diameter of the first heating wire 5.
[0033] In this way, when connecting two carat tubes, the socket end 3 of one carat tube is inserted into the socket end 2 of the other carat tube, and the first heating wire 5 can be accommodated in the first installation groove 4, so as to prevent the socket end 3 from touching the first heating wire 5 when inserting into the socket end 2, thereby causing the first heating wire 5 to loosen and deviate, and effectively improve the hot melting effect of the first heating wire 5 on the socket end 3 and the socket end 2, and improve the connection strength between the socket end 3 and the socket end 2; at the same time, the first installation groove 4 with a groove depth equal to the outer diameter of the first heating wire 5 will not affect the contact between the first heating wire 5 and the socket end 3, ensuring that the first heating wire 5 can effectively realize hot melting of the socket end 3; and the first installation groove 4 with a groove width equal to the outer diameter of the first heating wire 5 can realize the limitation of the first heating wire 5, and prevent the first heating wire 5 from escaping from the first installation groove 4 and affecting its hot melting effect on the socket end 3 and the socket end 2.
[0034] In this embodiment, the first heating wire 5 extends in a wavy shape around the circumference of the socket end 2, and the extension direction of the first installation groove 4 is consistent with the extension direction of the first heating wire 5. Since the extension direction of the first installation groove 4 is also wavy, partitions are formed between the groove walls of adjacent first installation grooves 4, and several partitions can be relatively melted with the socket end 3 under the action of the first heating wire 5, increasing the melting area between the socket end 2 and the socket end 3, thereby further improving the connection strength between the socket end 3 and the socket end 2.
[0035] In this embodiment, the spigot end 3 has an annular first end wall 31, and the inner wall of the socket end 2 is coaxially provided with a first connecting ring 6 for contacting the first end wall 31, the first connecting ring 6 is located on the side of the first heating wire 5 close to the spigot end 3, and a second heating wire 7 is arranged on the first connecting ring 6, and the second heating wire 7 is connected to the first heating wire 5. The first end wall 31 and the first connecting ring 6 can be relatively melted by the second heating wire 7, which can not only further improve the connection strength between the socket end 2 and the spigot end 3, but also improve the connection sealing between the socket end 2 and the spigot end 3.
[0036] In this embodiment, a second annular mounting groove 8 is coaxially provided on one side of the first connecting ring 6 facing the first heating wire 5, and the second heating wire 7 is accommodated in the second mounting groove 8, and the groove depth and groove width of the second mounting groove 8 are equal to the outer diameter of the second heating wire 7. In this way, not only can the first end wall 31 be prevented from directly pressing against the second heating wire 7 and causing damage to the second heating wire 7, but also the second mounting groove 8 whose groove depth is equal to the outer diameter of the second heating wire 7 will not affect the contact between the second heating wire 7 and the first end wall 31, ensuring that the second heating wire 7 can effectively achieve hot melting of the first end wall 31; at the same time, the second mounting groove 8 whose groove width is equal to the outer diameter of the second heating wire 7 can achieve the limitation of the second heating wire 7, preventing the second heating wire 7 from escaping from the second mounting groove 8 and affecting its hot melting effect on the first end wall 31 and the first connecting ring 6.
[0037] Among them, the second heating wire 7 is also wavy, and the second mounting groove 8 is wavy to match the second heating wire 7. Partitions are formed between the groove walls of adjacent second mounting grooves 8. Several partitions can be relatively melted with the first end wall 31 under the action of the second heating wire 7, thereby increasing the melting area between the first end wall 31 and the first connecting ring 6, thereby further improving the connection strength between the plug end 3 and the socket end 2.
[0038] In this embodiment, the bell end 2 has an annular second end wall 21, and a third heating wire 9 is arranged around the second end wall 21 around its own circumference, and the third heating wire 9 is connected to the first heating wire 5, and a second connecting ring 10 for contacting the second end wall 21 is arranged on the plug end 3. The second end wall 21 and the second connecting ring 10 can be relatively melted by the third heating wire 9, which can not only further improve the connection strength between the plug end 3 and the bell end 2, but also improve the connection sealing between the plug end 3 and the bell end 2.
[0039] In this embodiment, a third annular mounting groove 11 is coaxially provided on the second end wall 21, and the third heating wire 9 is accommodated in the third mounting groove 11, and the groove depth and groove width of the third mounting groove 11 are equal to the outer diameter of the third heating wire 9. In this way, not only can the second connecting ring 10 be prevented from directly pressing on the third heating wire 9 and causing damage to the third heating wire 9, but also the third mounting groove 11 whose groove depth is equal to the outer diameter of the third heating wire 9 will not affect the contact between the third heating wire 9 and the second connecting ring 10, ensuring that the third heating wire 9 can effectively achieve hot melting of the second connecting ring 10; at the same time, the third mounting groove 11 whose groove width is equal to the outer diameter of the third heating wire 9 can achieve the limitation of the third heating wire 9, preventing the third heating wire 9 from being separated from the third mounting groove 11 and affecting its hot melting effect on the second end wall 21 and the second connecting ring 10.
[0040] Among them, the third heating wire 9 is also wavy, and the third mounting groove 11 is wavy to match the third heating wire 9, and partitions are formed between the groove walls of adjacent third mounting grooves 11. Several partitions can be relatively melted with the second connecting ring 10 under the action of the third heating wire 9, thereby increasing the melting area between the second end wall 21 and the second connecting ring 10, thereby further improving the connection strength between the plug end 3 and the socket end 2.
[0041] In this embodiment, the first heating wire 5, the second heating wire 7 and the third heating wire 9 are all electric heating wires, and the three are connected by the fourth heating wire 13, and the fourth heating wire 13 is buried in the pipe body 1. After power is turned on, the first heating wire 5, the second heating wire 7, the third heating wire 9 and the fourth heating wire 13 can all generate heat and melt the plug end 3 and the socket end 2 relative to each other.
[0042] The implementation principle of a carat tube in the embodiment of the present application is:
[0043] The spigot ends 3 and the socket ends 2 of the two carat tubes are relatively plugged in, so that the first end wall 31 abuts against the first connecting ring 6, and the second end wall 21 abuts against the second connecting ring 10, and then the first heating wire 5, the second heating wire 7 and the third heating wire 9 are energized, and the first heating wire 5, the second heating wire 7 and the third heating wire 9 generate heat and realize relative melting between the spigot end 3 and the socket end 2, between the first end wall 31 and the first connecting ring 6, and between the second end wall 21 and the second connecting ring 10.
[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A carat tube, comprising a tube body (1), a socket end (2) and a spigot end (3) respectively located at two ends of the tube body (1), characterized in that: The inner wall of the socket end (2) is provided with a first installation groove (4), a first heating wire (5) is accommodated in the first installation groove (4), and the outer diameter of the first heating wire (5) is equal to the groove depth of the first installation groove (4); The socket end (3) has an annular first end wall (31), and the inner wall of the socket end (2) is coaxially provided with a first connecting ring (6) for contacting the first end wall (31), the first connecting ring (6) is located on a side of the first heating wire (5) close to the socket end (3), and a second heating wire (7) is arranged on the first connecting ring (6), and the second heating wire (7) is connected to the first heating wire (5); The socket end (2) has an annular second end wall (21), a third heating wire (9) is arranged around the second end wall (21) in a circumferential direction, the third heating wire (9) is connected to the first heating wire (5), and a second connecting ring (10) is arranged on the socket end (3) for contacting the second end wall (21).
2. A carat tube according to claim 1, characterized in that: The outer diameter of the first heating wire (5) is equal to the width of the first installation groove (4).
3. A carat tube according to claim 1, characterized in that: The first heating wire (5) extends in a wave shape around the circumference of the socket end (2), and the extension direction of the first mounting groove (4) is consistent with the extension direction of the first heating wire (5).
4. A carat tube according to claim 1, characterized in that: A second annular mounting groove (8) is coaxially formed on one side of the first connecting ring (6) facing the first heating wire (5), and the second heating wire (7) is accommodated in the second mounting groove (8).
5. A carat tube according to claim 4, characterized in that: The outer diameter of the second heating wire (7) is equal to the depth of the second mounting groove (8).
6. A carat tube according to claim 4, characterized in that: The outer diameter of the second heating wire (7) is equal to the width of the second mounting groove (8).
7. The carat tube according to claim 1, characterized in that: A third annular installation groove (11) is coaxially provided on the second end wall (21), and the third heating wire (9) is accommodated in the third installation groove (11).
8. A carat tube according to claim 7, characterized in that: The outer diameter of the third heating wire (9) is equal to the depth of the third installation groove (11).