CN218625801U - Plastic pipeline that prevents frostbite and split - Google Patents

Abstract

The utility model discloses a plastic conduit who prevents frostbite and split, including the inner tube, the insulation cover has been cup jointed to the outer wall of inner tube, the outer wall of insulation cover is equipped with the heat band, the heat band for the heliciform twine in the outer wall of insulation cover, the outer wall of heat band is equipped with the outer tube, casing joint has been cup jointed to the one end of outer tube, casing joint's one end has outer nut to connect through threaded connection, outer nut connects's outer wall is equipped with stop gear, casing joint keeps away from outer nut connects's one end is equipped with fixed establishment. The utility model discloses a plastic conduit who prevents frostbite and split has protection plastic conduit, prevents that plastic conduit from freezing the effect that the pipeline freezes and splits at the low or lower local pipeline outer wall of temperature ratio of weather temperature in winter.

Description

Plastic pipeline that prevents frostbite and split

Technical Field

The utility model relates to the technical field of pipelines, especially, relate to a plastic conduit who prevents frostbite and split.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc.

Patent document 202021796883.9 discloses a plastic conduit of preventing frostbite and splitting, including interior sleeve pipe, the interior sleeve pipe outside is closely laminated and is provided with heat preservation one, and a heat preservation outside closely laminates and has the heating band.

However, the traditional frost cracking prevention plastic pipeline is only wrapped with thin film plastic outside the pipeline, and the problem of frost cracking of the plastic pipeline caused by volume expansion of the frozen plastic pipeline cannot be prevented for a long time; for example: when the existing plastic pipeline is in cold winter or in an environment with low air temperature, the pipeline is only subjected to heat preservation treatment by wrapping a layer of foamed plastic outside the pipeline for a single time, and the foamed plastic is particularly easy to frost crack after a long time, so that the heat preservation effect is lost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a prevent plastic conduit that frost crack aims at traditional frost crack's plastic conduit and just wraps up film plastic outside the pipeline, thereby can't prevent for a long time that plastic conduit freezes the emergence that the back volume expansion leads to plastic conduit frost crack problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plastic conduit who prevents frostbite and split, includes the inner tube, the insulation cover has been cup jointed to the outer wall of inner tube, the outer wall of insulation cover is equipped with the heat band, the heat band for the heliciform winding in the outer wall of insulation cover, the outer wall of heat band is equipped with the outer tube, casing joint has been cup jointed to the one end of outer tube, casing joint's one end has outer nut to connect through threaded connection, outer nut connects's outer wall is equipped with stop gear, casing joint keeps away from outer nut connects's one end is equipped with fixed establishment.

During the use, the workman cup joints the casing joint on the outer tube earlier, then rotate the screw thread groove of casing joint inboard and the inboard screw thread of external nut joint and screw up the back, rethread stop gear joint is on fixed establishment, guarantee fixing between the pipeline, when the inner tube is installed in the place that the temperature is lower or when the temperature is very low winter, open the heating band earlier, the heating band can heat the inner tube, prevent that the inside temperature of inner tube from falling to freezing below the zero degree, the heat insulating sheath can keep the heat degree, prevent that the heat from dispelling fast, the heat that the inner tube passes through heat insulating sheath and heating band transmission, make inner tube and outer tube can not freeze because of the weather low temperature in winter or make the outer wall in the place that the temperature is lower, prevent the inner tube frost crack, reach better frost crack prevention effect.

In a preferred scheme, the limiting mechanism comprises eight fixing blocks, the outer wall of one side, opposite to each fixing block, of each two fixing blocks is connected with limiting rods through bearings, and the four limiting rods are equidistantly distributed on the outer wall of the outer nut connector.

The limiting rod is arranged to mainly prevent the external nut joint and the sleeve joint from being loosened during threaded connection and can be clamped into the fixing mechanism through the limiting rod, so that the external nut joint and the sleeve joint are fixed.

In a preferred scheme, the fixing mechanism comprises eight mounting blocks, the outer wall of one side, opposite to each other, of each two mounting blocks is provided with a return spring, and the eight mounting blocks are equidistantly distributed at one end of the sleeve joint.

When the limiting rod is extruded towards the middle of the two reset springs, the two reset springs compress towards the two sides simultaneously and fix the limiting rod, and the limiting rod is fixed.

By last, a plastic conduit who prevents frostbite and split, including the inner tube, the insulation cover has been cup jointed to the outer wall of inner tube, the outer wall of insulation cover is equipped with the heat band, the heat band for the heliciform twine in the outer wall of insulation cover, the outer wall of heat band is equipped with the outer tube, casing joint has been cup jointed to the one end of outer tube, casing joint's one end has outer nut to connect through threaded connection, outer nut connects's outer wall is equipped with stop gear, casing joint keeps away from outer nut connects's one end is equipped with fixed establishment. The utility model provides a plastic conduit who prevents frostbite and split has protection plastic conduit, prevents that plastic conduit from freezing the technological effect that the pipeline freezes and splits at the low or lower local pipeline outer wall of temperature ratio of weather temperature in winter.

Drawings

Fig. 1 is the overall structure schematic diagram of the plastic pipeline for preventing frost cracking of the utility model.

Fig. 2 is a schematic structural view of a heating belt of a frost crack prevention plastic pipeline provided by the present invention.

Fig. 3 is a schematic view of a casing joint structure of a frost crack prevention plastic pipeline according to the present invention.

Fig. 4 is a schematic view of a fixing mechanism of a frost crack prevention plastic pipeline provided by the present invention.

Fig. 5 is a schematic diagram of a limiting mechanism of a frost crack prevention plastic pipeline provided by the present invention.

In the drawings: 1. an outer tube; 2. mounting a block; 3. a casing joint; 4. an external nut joint; 5. a limiting rod; 6. a fixed block; 7. heating the belt; 8. a thermal insulation sleeve; 9. an inner tube; 10. a return spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

The utility model discloses a plastic conduit that frost crack prevention's plastic conduit mainly is applied to the plastic conduit that traditional frost crack prevention was split and is only wrapping up film plastics outside the pipeline, thereby can't prevent for a long time that plastic conduit freezes the scene that the back volume expansion leads to plastic conduit frost crack problem to take place.

Referring to fig. 1, 2, 3, 4 and 5, the plastic pipeline capable of preventing frost cracking comprises an inner pipe 9, a heat insulation sleeve 8 is sleeved on the outer wall of the inner pipe 9, a heating belt 7 is arranged on the outer wall of the heat insulation sleeve 8, the heating belt 7 is spirally wound on the outer wall of the heat insulation sleeve 8, an outer pipe 1 is arranged on the outer wall of the heating belt 7, a casing joint 3 is sleeved at one end of the outer pipe 1, an outer nut joint 4 is connected to one end of the casing joint 3 through threads, a limiting mechanism is arranged on the outer wall of the outer nut joint 4, and a fixing mechanism is arranged at one end, away from the outer nut joint 4, of the casing joint 3.

In this scheme, during the use, the workman cup joints 3 at the outer tube 1 earlier, then rotate the thread groove of 3 inboard side of box end and the inboard screw thread of outer nut joint 4 and screw up the back, rethread stop gear joint is on fixed establishment, guarantee fixing between the pipeline, install in the place that the temperature is lower than or when the temperature is low very much winter when inner tube 9, open heating tape 7 earlier, heating tape 7 can heat inner tube 9, prevent that the inside temperature of inner tube 9 from falling to freezing below the zero degree, the heat can be kept to the insulation cover 8, prevent that the heat from dispelling fast, the heat that inner tube 9 passes through insulation cover 8 and 7 transmission of heating tape, make inner tube 9 and outer tube 1 can not make the outer wall freeze because of the weather temperature is low or at the place that the temperature is lower than winter, prevent the pipeline frost crack, reach better frost crack effect.

Wherein, the insulation cover 8 adopts inside rubber and plastic sponge and outside structure for the aluminium foil parcel, rubber and plastic sponge insulation material is elasticity obturator elastic material, it is soft to have, resistant winding, cold-resistant, it is heat-resisting, it is fire-retardant, it is waterproof, good performance such as coefficient of thermal conductivity is low, can play the heat preservation effect better, insulation cover 8 also can adopt the pearlite, material such as garrulous foam, when heating band 7 heats insulation cover 8, the better aluminium foil of outside thermal conductivity can give inside rubber and plastic sponge with the heat transfer, the rubber and plastic sponge has after certain temperature again with the water/ice of heat transfer in the inner tube 9, thereby can prevent the water pipe frost crack, the aluminium foil can prevent that heating band 7 direct contact rubber and plastic sponge from catching fire, the security of structure has been guaranteed.

Specifically, the thickness of the heating belt 7 was 2 mm.

Referring to fig. 1, 2 and 5, in a preferred embodiment, the limiting mechanism comprises eight fixing blocks 6, a limiting rod 5 is connected to the outer wall of each of two opposite sides of each fixing block 6 through a bearing, and four limiting rods 5 are equidistantly distributed on the outer wall of the outer nut joint 4.

In this scheme, set up gag lever post 5 and mainly prevent to appear becoming flexible when external nut connects 4 and 3 threaded connection of casing joint, can block into fixed establishment in through gag lever post 5 card to fixed external nut connects 4 and casing joint 3.

Wherein, gag lever post 5 is "L" shape structure, and gag lever post 5 of "L" shape structure can the joint make the outer nut joint 4 after the installation better with 3 fixity of bushing joint in fixed establishment, reaches better fixed effect.

Referring to fig. 1, 2 and 4, in a preferred embodiment, the fixing mechanism comprises eight mounting blocks 2, wherein the outer wall of one side of each of the two mounting blocks 2 is provided with a return spring 10, the eight mounting blocks 2 are equidistantly distributed at one end of the casing joint 3, and when the limiting rod 5 is extruded towards the middle of the two return springs 10, the two return springs 10 simultaneously compress towards the two sides and fix the limiting rod 5, so that the limiting rod 5 is fixed.

Wherein, eight installation pieces 2 and four gag lever post 5 looks adaptations.

The working principle is as follows: during the use, the workman cup joints 3 on outer tube 1 earlier, then rotate the thread groove of 3 inboard side of box end and the inboard screw thread of external nut joint 4 and screw up the back, rethread stop gear joint is on fixed establishment, guarantee fixing between the pipeline, when inner tube 9 installs in the place of the lower temperature or when the temperature is very low winter, open heating tape 7 earlier, heating tape 7 can heat inner tube 9, prevent that the inside temperature of inner tube 9 from falling to freezing below the zero degree, insulating sleeve 8 can remain the heat, prevent that the heat from dispelling the heat fast, the heat that inner tube 9 passes through insulating sleeve 8 and 7 transmission of heating tape, make inner tube 9 and outer tube 1 can not freeze because of the weather temperature is low winter or make the outer wall in the place of the lower temperature, prevent that inner tube 9 from frost crack, reach better frost crack prevention effect.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.

Claims (7)

1. The utility model provides a plastic conduit who prevents frostbite and split, includes inner tube (9), its characterized in that, insulation cover (8) have been cup jointed to the outer wall of inner tube (9), the outer wall of insulation cover (8) is equipped with heated tape (7), heated tape (7) for the heliciform twine in the outer wall of insulation cover (8), the outer wall of heated tape (7) is equipped with outer tube (1), casing joint (3) have been cup jointed to the one end of outer tube (1), there is outer nut joint (4) one end of casing joint (3) through threaded connection, the outer wall of outer nut joint (4) is equipped with stop gear, casing joint (3) are kept away from the one end of outer nut joint (4) is equipped with fixed establishment.

2. The plastic pipeline for preventing frost crack as claimed in claim 1, characterized in that the thermal insulation sleeve (8) is made of an inner rubber-plastic sponge and an outer aluminum foil is wrapped.

3. The plastic pipeline preventing frost crack as claimed in claim 1, wherein the limiting mechanism comprises eight fixing blocks (6), the outer wall of one side opposite to each two fixing blocks (6) is connected with a limiting rod (5) through a bearing, and four limiting rods (5) are equidistantly distributed on the outer wall of the outer nut joint (4).

4. The frost crack prevention plastic pipe of claim 3, characterized in that the limiting rod (5) is of an L-shaped structure.

5. The frost crack prevention plastic pipe of claim 4, characterized in that the fixing mechanism comprises eight mounting blocks (2), each two mounting blocks (2) are provided with a return spring (10) on the outer wall at the opposite side, and the eight mounting blocks (2) are equidistantly distributed at one end of the casing joint (3).

6. An anti-frost-crack plastic pipe according to claim 5, characterized in that eight mounting blocks (2) are adapted to four limiting rods (5).

7. A frost crack prevention plastic pipe according to claim 1, characterized in that the thickness of the heating band (7) is 2 mm.

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