CN217081732U

CN217081732U - Double-layer ground heating pipe with sandwiched steel wire mesh

Info

Publication number: CN217081732U
Application number: CN202122679382.3U
Authority: CN
Inventors: 冯祥
Original assignee: Zhejiang Sanli Pipeline Technology Co ltd
Current assignee: Zhejiang Sanli Pipeline Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-07-29
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a double-layer ground heating pipe with a sandwiched steel wire mesh, which belongs to the technical field of ground heating pipes and comprises a pipe body, wherein the pipe body comprises an inner pipe, an outer pipe and a metal mesh, the inner side wall of the inner pipe is provided with a first mounting groove, the inner side wall of the first mounting groove is coated with hot melt adhesive, the outer pipe is sleeved on the inner pipe through the hot melt adhesive, the connecting area of the outer pipe and the inner pipe is provided with a second mounting groove, the metal mesh is fixedly arranged on the inner side wall of the second mounting groove, the outer side wall of the inner pipe is provided with a third mounting groove, the inner side wall of the third mounting groove is fixedly provided with a limiting rod, one end of the limiting rod is provided with a limiting block, the metal mesh adopts high-strength coating steel wire to be continuously wound in a left-handed and right-handed crossed mode, the structural strength of the ground heating pipe is improved in an even winding mode along the axial direction of the ground heating pipe, thereby improving the endurance capacity of the ground heating pipe and effectively reducing the wall thickness of the ground heating pipe, the manufacturing cost is reduced, and the service life is prolonged.

Description

Double-layer ground heating pipe with sandwiched steel wire mesh

Technical Field

The utility model relates to a double-deck ground heating coil specifically is a double-deck ground heating coil who presss from both sides wire net, belongs to ground heating coil technical field.

Background

The existing ground heating pipe is usually made of PERT materials, wherein PERT is heat-resistant polyethylene, is non-crosslinked polyethylene capable of being used as a sub-hot water pipe, is medium-density polyethylene produced by adopting a special molecular design and synthesis process, keeps good flexibility, high heat conductivity and inertia of PE, and has better pressure resistance, and the PERT is soft in texture and does not need special tools during construction, so the pipe is very suitable for floor heating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a press from both sides double-deck ground heating coil of wire net just in order to solve above-mentioned problem, solved and ground the problem that the pipe wall is thick, the cost of manufacture is high.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a double-deck ground heating coil of double-layered wire net, which comprises a pipe body, the body includes inner tube, outer tube and metal mesh, be provided with mounting groove one on the inside wall of inner tube, the hot melt adhesive is scribbled on the inside wall of mounting groove one, the outer tube passes through the hot melt adhesive cover is established on the inner tube, the outer tube with the linkage area of inner tube is provided with mounting groove two, metal mesh fixed mounting is in on the inside wall of mounting groove two, be provided with mounting groove three on the lateral wall of inner tube, fixed mounting has the gag lever post on the inside wall of mounting groove three, the one end of gag lever post is provided with the stopper, the one end of gag lever post is worn to establish in the mesh of metal mesh, be provided with the spacing groove on the inside wall of outer tube.

Preferably, in order to facilitate installation of the limiting rod, one end of the limiting rod is penetrated through the limiting block in the limiting groove, and the size of the limiting groove is matched with that of the limiting block.

Preferably, in order to facilitate the increase the utility model discloses a structural strength, the metal mesh is the wire net, the metal mesh includes steel wire one and steel wire two.

Preferably, in order to facilitate alignment, the number of the first steel wire and the second steel wire is seven, and the first steel wire and the second steel wire are continuously wound in a left-handed and right-handed crossing manner.

Preferably, in order to ensure that the utility model discloses axial and hoop evenly atress, the steel wire winding angle of metal mesh is 54-60 °, and steel wire one and steel wire two are high strength cladding layer steel wire.

Preferably, in order to reduce the total thickness of the inner tube and the outer tube, the inner tube is made of PE-RT material, and the outer tube is made of PE material.

Preferably, in order to improve the strength of the utility model, the diameters of the first steel wire and the second steel wire are both 0.5mm-1 mm.

The utility model has the advantages that:

1. the metal mesh adopts high strength cladding layer steel wire to twine in succession with levogyration and the criss-cross mode of dextrorotation, along the axial even winding mode of ground heating coil improve the structural strength of ground heating coil to improve the resistant quiet hydraulic pressure ability of ground heating coil, can effectively reduce the wall thickness of ground heating coil, reduce manufacturing cost, improve life.

2. The hot melt adhesive layer improves inlayer and outer adhesive strength, and the form that the inlayer peeled off takes place in preventing the use is heavy, improves durability and safety in utilization, and above material coextrusion shaping, this ground heating coil inner and outer layer material gross thickness is less than the half of traditional PERT ground heating coil wall thickness and just can reach the pressure requirement, greatly reduced material cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the inner tube of the present invention.

Fig. 3 is a schematic structural diagram of the metal mesh of the present invention.

Fig. 4 is the structure schematic diagram of the middle limiting rod and the limiting block of the present invention.

In the figure: 1. the pipe body, 2, inner tube, 3, outer tube, 4, metal mesh, 5, gag lever post, 6, stopper, 7, steel wire one, 8, steel wire two, 9, hot melt adhesive layer, 10, spacing groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-4, a double-layer ground heating pipe with a sandwiched steel wire mesh comprises a pipe body 1, the pipe body 1 comprises an inner pipe 2, an outer pipe 3 and a metal mesh 4, a connection area between the outer pipe 3 and the inner pipe 2 is provided with a second mounting groove, the metal mesh 4 is fixedly mounted on the inner side wall of the second mounting groove, a third mounting groove is arranged on the outer side wall of the inner pipe 2, a limiting rod 5 is fixedly mounted on the inner side wall of the third mounting groove, one end of the limiting rod 5 is provided with a limiting block 6, one end of the limiting rod 5 is arranged in a mesh of the metal mesh 4 in a penetrating manner, and a limiting groove 10 is arranged on the inner side wall of the outer pipe 3.

As shown in fig. 3 and 4, one end of a limiting rod 5 penetrates through a limiting groove 10 through a limiting block 6, the size of the limiting groove 10 is matched with that of the limiting block 6, a metal mesh 4 is a steel wire mesh, the metal mesh 4 comprises a first steel wire 7 and a second steel wire 8, the first steel wire 7 and the second steel wire 8 are seven, the first steel wire 7 and the second steel wire 8 are continuously wound in a left-handed and right-handed crossing mode, the steel wire winding angle of the metal mesh 4 is 54-60 degrees, the first steel wire 7 and the second steel wire 8 are both high-strength coating steel wires, the diameters of the first steel wire 7 and the second steel wire 8 are both 0.5-1 mm, the metal mesh 4 adopts the high-strength coating steel wires to continuously wind in the left-handed and right-handed crossing mode, the structural strength of the floor heating pipe is improved in an axial uniform winding mode, so that the hydrostatic resistance of the floor heating pipe is improved, and the wall thickness of the floor heating pipe can be effectively reduced, the manufacturing cost is reduced, the service life is prolonged, the steel wire winding angle of the metal net 4 is 54-60 degrees, the axial direction and the circumferential direction of the pipe are uniformly stressed, the steel wire for reinforcing is a high-strength coating steel wire, the metal net 4 is coated with a coating layer with hot-melt adhesive property and water action before winding, after winding on the inner pipe 2 of the ground heating pipe, the high-strength coating steel wire, the coating layer is extruded by an intermediate bonding layer, the outer pipe 3 is extruded and coated by the heating layer, and the high-strength coating steel wire, the inner pipe 2 and the outer pipe 3 are integrated through hot melting, so that the excellent composite pipe is obtained, the diameter of the steel wire adopted by the metal net 4 is 0.5-1 mm, and the steel wire with proper thickness is selected according to the pipe diameter of the ground heating pipe to wind and ensure that the ground heating pipe achieves the required hydrostatic pressure resistance requirement.

As shown in fig. 3 and 4, be provided with mounting groove one on the inside wall of inner tube 2, scribble on the inside wall of mounting groove one and be equipped with hot melt adhesive 9, outer tube 3 overlaps on inner tube 2 through hot melt adhesive 9 cover, the material of inner tube 2 is the PE-RT material, the material of outer tube 3 is the PE material, inner tube 2 adopts the PE-RT material to make, outer tube 3 adopts the PE material, be provided with the wire net between the inner tube 3, the wire net twines on inner tube 2, and with set up hot melt adhesive 9 between the inner tube 3, hot melt adhesive 9 layer improves the adhesive strength of inner tube 2 and outer tube 3, it is heavy to prevent to take place the form that inner tube 3 peeled off in the use, improve durability and safety in utilization, above material is crowded shaping altogether. The total thickness of the inner and outer pipes 3 of the floor heating pipe is less than half of the wall thickness of the traditional PERT floor heating pipe, so that the pressure requirement can be met, and the material cost is greatly reduced.

The working principle is as follows: when in use, a user can firstly check whether each component in the utility model is perfect, the metal mesh 4 adopts the high-strength plating steel wire to continuously wind in a left-handed and right-handed crossed mode, the structural strength of the ground heating pipe is improved along the axial uniform winding mode of the ground heating pipe, thereby the hydrostatic resistance of the ground heating pipe is improved, the wall thickness of the ground heating pipe can be effectively reduced, the manufacturing cost is reduced, the service life is prolonged, the steel wire winding angle of the metal mesh 4 is 54-60 degrees, the axial and circumferential uniform stress of the pipe is ensured, the steel wire for reinforcing is the high-strength plating steel wire, the metal mesh 4 is coated with a coating layer with the hot grafting adhesive property and the water action before winding, after winding on the inner pipe 2 of the ground heating pipe, the coating is extruded by heating and an intermediate bonding layer, the outer pipe 3 is extruded to coat, and the high-strength plating steel wire is ensured to be integrated with the inner pipe 2 and the outer pipe 3 by hot fusion, therefore, the excellent composite pipe is obtained, the diameter of the steel wire adopted by the metal net 4 is 0.5mm-1mm, and the steel wire with proper thickness is selected according to the pipe diameter of the floor heating pipe to be wound to ensure that the floor heating pipe meets the required hydrostatic pressure resistance requirement.

The 4 winding steel wire strips of metal mesh are 14 at least, the steel wire quantity of levogyration and dextrorotation is the same, different steel wire quantity can make the ground heating coil reach different nominal pressure, in order to satisfy different environmental requirement, inner tube 2 adopts the PE-RT material to make, outer tube 3 adopts the PE material, be provided with the wire net between the interior outer tube 3, the wire net twines on inner tube 2, and set up hot melt adhesive 9 between the interior outer tube 3, the hot melt adhesive 9 layer improves the adhesive strength of inner tube 2 and outer tube 3, the form that the interior outer tube 3 peeled off takes place in the use is heavy, durability and safety in utilization are improved, above material co-extrusion shaping. The total thickness of the inner and outer pipes 3 of the ground heating pipe is less than one half of the wall thickness of the traditional PERT ground heating pipe, so that the pressure requirement can be met, and the material cost is greatly reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a double-deck ground heating coil of double-layered steel mesh which characterized in that: comprises a pipe body (1), wherein the pipe body (1) comprises an inner pipe (2), an outer pipe (3) and a metal net (4), a first mounting groove is arranged on the inner side wall of the inner pipe (2), hot melt adhesive (9) is coated on the inner side wall of the first mounting groove, the outer pipe (3) is sleeved on the inner pipe (2) through the hot melt adhesive (9), a second mounting groove is arranged in the connecting area of the outer pipe (3) and the inner pipe (2), the metal net (4) is fixedly arranged on the inner side wall of the second mounting groove, the outer side wall of the inner pipe (2) is provided with a third mounting groove, a limiting rod (5) is fixedly arranged on the inner side wall of the mounting groove III, a limiting block (6) is arranged at one end of the limiting rod (5), one end of the limiting rod (5) penetrates through the meshes of the metal net (4), and a limiting groove (10) is formed in the inner side wall of the outer pipe (3).

2. The double-layer ground heating pipe with the sandwiched steel wire mesh as claimed in claim 1, wherein: one end of the limiting rod (5) is arranged in the limiting groove (10) in a penetrating mode through the limiting block (6), and the size of the limiting groove (10) is matched with that of the limiting block (6).

3. The double-layer ground heating pipe with the sandwiched steel wire meshes as claimed in claim 1, wherein: the metal net (4) is a steel wire net, and the metal net (4) comprises a first steel wire (7) and a second steel wire (8).

4. The double-layer ground heating pipe with the sandwiched steel wire meshes as claimed in claim 3, wherein: the number of the first steel wire (7) and the second steel wire (8) is seven, and the first steel wire (7) and the second steel wire (8) are continuously wound in a left-handed and right-handed crossing mode.

5. The double-layer ground heating pipe with the sandwiched steel wire meshes as claimed in claim 4, wherein: the winding angle of the steel wires of the metal net (4) is 54-60 degrees, and the first steel wire (7) and the second steel wire (8) are both high-strength plated steel wires.

6. The double-layer ground heating pipe with the sandwiched steel wire meshes as claimed in claim 1, wherein: the inner tube (2) is made of PE-RT material, and the outer tube (3) is made of PE material.

7. The double-layer ground heating pipe with the sandwiched steel wire meshes as claimed in claim 3, wherein: the diameters of the first steel wire (7) and the second steel wire (8) are both 0.5mm-1 mm.