A corrugated pipe

Abstract

The utility model discloses a kind of corrugated winding pipes, which is formed by spiral winding of base pipe. The base pipe includes a bottom plate, a first half-wave pipe integrally formed on the outer side of the bottom plate, a reinforcing rib and a second half-wave pipe. The first half-wave pipe and the second half-wave pipe are arranged on opposite sides of the width direction of the bottom plate. The first half-wave pipe of the base pipe and the second half-wave pipe of the adjacent coil of the base pipe are bonded by adhesive, forming a full-wave pipe. The first half-wave pipe is fixedly connected with a lower anti-disengagement plate on the lower side. The lower anti-disengagement plate includes a lower connecting plate and a lower hook plate. The lower side of the second half-wave pipe is provided with a lower clamping groove adapted to the lower connecting plate. The lower connecting plate is clamped into the lower clamping groove. The reinforcing rib is fixedly connected between the first half-wave pipe and the second half-wave pipe, or the reinforcing rib is fixedly connected on the bottom plate. The utility model provides a kind of winding pipe. The base pipe has better stability and is not easy to deform, which improves the ring stiffness of the winding pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fittings, in particular to a corrugated wound pipe. Background Art

[0002] The most conventional corrugated wound pipes on the market, especially corrugated wound pipes with an inner diameter of ID400 or more, such as Figure 6 , are formed by winding a base pipe 91. Since the cross section of the base pipe is square, such as Figure 7 , under a large load, the base pipe 91 is easily deformed into a parallelogram, which easily causes local instability of the wound pipe material and ultimately affects the safety of the wound pipe. Contents of the Utility Model

[0003] To solve the disadvantage that the base pipe of the existing wound pipe is prone to local instability, the utility model proposes a wound pipe, in which the base pipe has better stability, is not easy to deform, and the ring stiffness of the wound pipe is improved.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: A corrugated wound pipe is formed by spirally winding a base pipe. The base pipe comprises a bottom plate, and a first half-wave pipe, a reinforcing rib and a second half-wave pipe integrally formed on the outer side of the bottom plate. The first half-wave pipe and the second half-wave pipe are arranged on two opposite sides in the width direction of the bottom plate. The first half-wave pipe of the base pipe and the second half-wave pipe of the adjacent turn of the base pipe are bonded by an adhesive to form a full-wave pipe. The height of the full-wave pipe is h, the width of the full-wave pipe is w1, and 0.8<h / w1<1.2. A lower anti-disengagement plate is fixedly connected to the lower side of the first half-wave pipe. The lower anti-disengagement plate comprises a lower connecting plate and a lower hook plate. One side of the lower connecting plate is fixedly connected with the first half-wave pipe, and the other side is fixedly connected with the upwardly extending lower hook plate. The lower side of the lower connecting plate is flush with the lower side of the bottom plate. The lower side of the second half-wave pipe is provided with a lower clamping groove adapted to the lower connecting plate, and the lower connecting plate is clamped into the lower clamping groove. The reinforcing rib is fixedly connected between the first half-wave pipe and the second half-wave pipe, or the reinforcing rib is fixedly connected to the bottom plate.

[0005] Through the above arrangement, firstly, the base pipe has a non-square structure, which has better stability under pressure and is not easy to deform; secondly, the first half-wave pipe and the second half-wave pipe are bonded to form a full-wave pipe, which together with the reinforcing rib improves the ring stiffness of the wound pipe; thirdly, the lower anti-disengagement plate on the lower side of the first half-wave pipe is connected with the lower side of the second half-wave pipe, which can prevent the lower sides of the first half-wave pipe and the second half-wave pipe from disbonding, and improve the axial tensile strength of the wound pipe.

[0006] Further, the reinforcing rib is configured as an arc-shaped plate, two opposite sides in the width direction of the arc-shaped plate are fixedly connected with the bottom plate, the middle part of the arc-shaped plate bulges away from the bottom plate, and the height of the arc-shaped plate is lower than the height of the full-wave pipe.

[0007] Through the above arrangement, the arc plate and the full-wave tube together form a corrugated pipe structure on the outer side of the bottom plate, which improves the ring stiffness of the wound pipe.

[0008] Further, an upper anti-disengagement plate is arranged on the upper side of the second half-wave tube, the upper anti-disengagement plate comprises an upper connection plate and an upper hook plate, one side of the upper connection plate is fixedly connected with the upper side of the second half-wave tube, the other end is fixedly connected with the upper hook plate extending downward, an upper clamping groove adapted to the upper anti-disengagement plate is arranged on the upper side of the first half-wave tube, and the upper anti-disengagement plate is clamped into the upper clamping groove.

[0009] Through the above arrangement, the anti-debonding performance of the wound pipe is further improved.

[0010] Further, the inner diameter of the wound pipe is greater than 400 mm.

[0011] Further, the distance between two adjacent turns of the full-wave tube is d, 0.8<d / w1<1.2, the width of the arc plate is w2, and 0.8<w2 / d<1.

[0012] Through the above arrangement, the compression resistance of the bottom plate is improved.

[0013] Further, the wound pipe further comprises a metal wire, and the metal wire is embedded in the base pipe along the extending direction of the base pipe.

[0014] Through the above arrangement, the tracing of the wound pipe is facilitated.

[0015] Further, a support plate is integrally formed between the arc plate and the bottom plate, and the metal wire is embedded between the support plate and the arc plate.

[0016] Through the above arrangement, the ring stiffness of the wound pipe is further improved, and the support plate can prevent the arc plate from collapsing inward after being pressed.

[0017] Further, the metal wire is configured as an iron wire.

[0018] Further, the reinforcing rib comprises a transverse rib part and a vertical rib part, the transverse rib part is fixedly connected between the first half-wave tube and the second half-wave tube, and at least one vertical rib part is fixedly connected between the transverse rib part and the bottom plate. Brief Description of the Drawings

[0019] Figure 1 is a schematic diagram of the wound pipe according to the embodiment.

[0020] Figure 2 is a side view of the wound pipe according to the embodiment.

[0021] Figure 3 is a cross-sectional view of the wound pipe according to the embodiment.

[0022] Figure 4 is the Figure 3 enlarged view at position A.

[0023] Figure 5 is a schematic diagram of a wound tube according to another embodiment.

[0024] Figure 6 is a schematic diagram of a conventional wound tube.

[0025] Figure 7 is a schematic diagram of the conventional wound tube after being subjected to pressure. DETAILED DESCRIPTION OF EMBODIMENTS

[0026] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.

[0027] As shown in Figures 1 to 4 , a corrugated wound tube is formed by spirally winding a base tube, the base tube comprises a base plate 3, and a first half-wave tube 4, a reinforcing rib and a second half-wave tube 6 integrally formed on the outer side of the base plate 3. In this embodiment, the reinforcing rib is an arc-shaped plate 5, the first half-wave tube 4 and the second half-wave tube 6 are disposed on two opposite sides in the width direction of the base plate 3, the first half-wave tube 4 of the base tube and the second half-wave tube 6 of the adjacent turn of the base tube are bonded by an adhesive 12 to form a full-wave tube, the height of the full-wave tube is h, the width of the full-wave tube is w1, and 0.8<h / w1<1.2. A lower anti-dropping plate 7 is fixedly connected to the lower side of the first half-wave tube 4, the lower anti-dropping plate 7 comprises a lower connecting plate 71 and a lower hooking plate 72, one side of the lower connecting plate 71 is fixedly connected with the first half-wave tube 4, the other side is fixedly connected with the upwardly extending lower hooking plate 72, the lower side of the lower connecting plate 71 is flush with the lower side of the base plate 3, the lower side of the second half-wave tube 6 is provided with a lower clamping groove adapted to the lower connecting plate 71, the lower connecting plate 71 is clamped into the lower clamping groove, two opposite sides in the width direction of the arc-shaped plate 5 are fixedly connected with the base plate 3, the middle part of the arc-shaped plate 5 bulges away from the base plate 3, and the height of the arc-shaped plate 5 is lower than the height of the full-wave tube.

[0028] Through the above arrangement, firstly, the base tube has a non-square structure, which has better stability after being subjected to pressure and is not easy to deform; secondly, the first half-wave tube 4 and the second half-wave tube 6 are bonded to form a full-wave tube, which together with the arc-shaped plate 5 forms a corrugated tube structure on the outer side of the base plate 3, improving the ring stiffness of the wound tube; thirdly, the lower anti-dropping plate 7 on the lower side of the first half-wave tube 4 is connected with the lower side of the second half-wave tube 6, which can prevent debonding at the lower sides of the first half-wave tube 4 and the second half-wave tube 6, and improve the axial tensile strength of the wound tube.

[0029] For the convenience of describing the base tube, Figure 4This is described with reference to the cross-sectional view of the base pipe. The bottom plate 3 is horizontal, the second half-wave pipe 6 and the first half-wave pipe 4 are respectively disposed on the left and right sides of the bottom plate 3. The lower sides of the first half-wave pipe 4 and the second half-wave pipe 6 are both flush with the lower side of the bottom plate 3. A vertical first bonding surface is provided on the side of the first half-wave pipe 4 facing away from the second half-wave pipe 6, and the lower anti-disengagement plate 7 is disposed at the lower end of the first bonding surface. The lower side of the lower connecting plate 71 is flush with the bottom plate 3, and the lower hooking plate 72 protrudes upward. A vertical second bonding surface is provided on the side of the second half-wave pipe 6 facing away from the first half-wave pipe 4, and a lower clamping groove is provided on the lower side of the second half-wave pipe 6 near the lower end of the second bonding surface. When manufacturing the wound pipe, the base pipe is wound from left to right, and adhesive is applied on the first bonding surface. The lower clamping groove of the next turn of the base pipe is buckled on the lower anti-disengagement plate 7 of the previous turn of the base pipe, and two adjacent turns of the base pipe are bonded by the adhesive, and this process is repeated to wind the base pipe into a wound pipe with a smooth inner wall. The adhesive adopts an epoxy resin material with high Young's modulus, such as novolac epoxy resin. When two adjacent turns of the base pipe are bonded, the first half-wave pipe 4 and the second half-wave pipe 6 form a full-wave pipe, that is, a tubular structure with a vertical rib in the middle, which has good compressive deformation resistance. The lower anti-disengagement plate 7 is in snap-fit connection with the lower clamping groove, which improves the axial tensile strength of the wound pipe, prevents the lower sides of the first bonding surface and the second bonding surface from ungluing, and ensures the sealing performance of the wound pipe. The ratio of the height to the width of the full-wave pipe is close to 1, the size is close to that of the base pipe of the traditional wound pipe, and the material consumption is basically not increased. An arc-shaped plate 5 is disposed between the first half-wave pipe 4 and the second half-wave pipe 6 to improve the deformation resistance of the bottom plate 3 between the first half-wave pipe 4 and the second half-wave pipe 6.

[0030] As an implementation manner, an upper anti-disengagement plate 8 is disposed on the upper side of the second half-wave pipe 6. The upper anti-disengagement plate 8 includes an upper connecting plate 81 and an upper hooking plate 82. One side of the upper connecting plate 81 is fixedly connected to the upper side of the second half-wave pipe 6, and the other end is fixedly connected to the downwardly extending upper hooking plate 82. An upper clamping groove adapted to the upper anti-disengagement plate 8 is provided on the upper side of the first half-wave pipe 4, and the upper anti-disengagement plate 8 is snapped into the upper clamping groove.

[0031] Through the above arrangement, the anti-ungluing performance of the wound pipe is further improved.

[0032] The upper anti-disengagement plate 8 is similar to the lower anti-disengagement plate 7, and is disposed on the upper side of the second half-wave pipe 6 near the upper end of the second bonding surface. When the base pipe is wound, the upper anti-disengagement plate 8 is embedded into the upper clamping groove of the previous turn of the base pipe, and the upper hooking plate 82 hooks the upper clamping groove to prevent the upper ends of the first bonding surface and the second bonding surface from ungluing.

[0033] As an implementation manner, the inner diameter of the wound pipe is greater than 400 mm.

[0034] As an implementation manner, the distance between two adjacent turns of the full-wave pipe is d, 0.8 < d / w1 < 1.2, the width of the arc-shaped plate 5 is w2, and 0.8 < w2 / d < 1.

[0035] Through the above arrangement, the compression resistance of the bottom plate 3 is improved.

[0036] As one implementation, the winding tube also includes a metal wire 15, which is embedded in the base tube along the extension direction of the base tube.

[0037] The above settings facilitate the tracking of the wound tube.

[0038] In practice, to facilitate the tracing of wound tubes, a copper wire with an insulating layer is laid parallel above the wound tube during installation. During tracing, the copper wire is energized, and the magnetic field generated by the copper wire is detected on the ground to detect the underground direction of the wound tube. In this application, a metal wire 15 is embedded in the wound tube. On the one hand, the metal wire 15 has better rigidity, which can improve the rigidity of the wound tube ring. On the other hand, the metal wire 15 can be detected by a metal detector on the ground. During tracing, it is not necessary to energize the metal wire 15, making tracing more convenient.

[0039] As one implementation method, a support plate 11 is integrally formed between the curved plate and the base plate, and a metal wire 15 is embedded between the support plate 11 and the curved plate.

[0040] The above settings further enhance the stiffness of the wound tube ring, and the support plate 11 can prevent the arc plate from sinking inward under pressure.

[0041] As one implementation method, the metal wire 15 is set as an iron wire.

[0042] Another embodiment of the spiral tube is similar to the previous embodiment, except for the reinforcing ribs, specifically, as shown below. Figure 5 As shown, the reinforcing rib includes a horizontal rib portion 13 and a vertical rib portion 14. The horizontal rib portion is fixedly connected between the first half-wave tube and the second half-wave tube, and at least one vertical rib portion is fixedly connected between the horizontal rib portion and the base plate.

[0043] The horizontal ribs of this application are parallel to the base plate and are fixedly connected between the first half-wave tube and the second half-wave tube to support the first half-wave tube and the second half-wave tube and prevent the first half-wave tube and the second half-wave tube from deforming under pressure. Since the middle part of the horizontal ribs is more prone to vertical deformation than the arc plate structure, vertical ribs are set between the horizontal ribs and the base plate to improve its structural stability.

[0044] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A corrugated wound pipe, characterized in that, It is formed by spirally winding base tubes, wherein the base tube comprises a bottom plate, and a first half-wave tube, a reinforcing rib and a second half-wave tube that are integrally formed on the outer side of the bottom plate; the first half-wave tube and the second half-wave tube are arranged on two opposite sides in the width direction of the bottom plate, and the first half-wave tube of the base tube and the second half-wave tube of the adjacent-turn base tube are bonded via an adhesive material to form a full-wave tube, the height of the full-wave tube is h, the width of the full-wave tube is w1, and 0.8<h / w1<1.2; a lower anti-disengagement plate is fixedly connected to the lower side of the first half-wave tube, the lower anti-disengagement plate comprises a lower connecting plate and a lower hook plate, one side of the lower connecting plate is fixedly connected with the first half-wave tube, the other side is fixedly connected with the upwardly extending lower hook plate, the lower side of the lower connecting plate is flush with the lower side of the bottom plate, the lower side of the second half-wave tube is provided with a lower clamping slot adapted to the lower connecting plate, the lower connecting plate is clamped into the lower clamping slot, and the reinforcing rib is fixedly connected between the first half-wave tube and the second half-wave tube, or the reinforcing rib is fixedly connected to the bottom plate.

2. The corrugated wound pipe according to claim 1, characterized in that, The reinforcing rib is configured as an arc-shaped plate, two opposite sides in the width direction of the arc-shaped plate are fixedly connected with the bottom plate, the middle part of the arc-shaped plate bulges away from the bottom plate, and the height of the arc-shaped plate is lower than the height of the full-wave tube.

3. A corrugated wound pipe according to claim 2, characterized in that, An upper anti-disengagement plate is arranged on the upper side of the second half-wave tube, the upper anti-disengagement plate comprises an upper connecting plate and an upper hook plate, one side of the upper connecting plate is fixedly connected with the upper side of the second half-wave tube, the other end is fixedly connected with the downwardly extending upper hook plate, the upper side of the first half-wave tube is provided with an upper clamping slot adapted to the upper anti-disengagement plate, and the upper anti-disengagement plate is clamped into the upper clamping slot.

4. A corrugated wound pipe according to claim 2, characterized in that, The inner diameter of the wound pipe is greater than 400 mm.

5. A corrugated wound pipe according to claim 2, characterized in that, The distance between two adjacent turns of the full-wave tube is d, 0.8<d / w1<1.2, the width of the arc-shaped plate is w2, and 0.8<w2 / d<1.

6. A corrugated wound pipe according to claim 2, characterized in that, The wound pipe further comprises a metal wire, and the metal wire is embedded in the base tube along the extension direction of the base tube.

7. A corrugated wound pipe according to claim 6, characterized in that, A support plate is integrally formed between the arc-shaped plate and the bottom plate, and the metal wire is embedded between the support plate and the arc-shaped plate.

8. A corrugated wound pipe according to claim 6, characterized in that, The metal wire is configured as an iron wire.

9. A corrugated wound pipe according to claim 1, characterized in that, The reinforcing rib comprises a transverse rib portion and vertical rib portions, the transverse rib portion is fixedly connected between the first half-wave tube and the second half-wave tube, and at least one vertical rib portion is provided and fixedly connected between the transverse rib portion and the bottom plate.

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