CN213271583U

CN213271583U - Plastic-sheathed-steel heat-insulation pipe end enclosure structure

Info

Publication number: CN213271583U
Application number: CN202021731164.9U
Authority: CN
Inventors: 冯学勤
Original assignee: Shandong Polymer Pipe Co ltd
Current assignee: Shandong Polymer Pipe Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-25
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a plastic sleeve steel heat preservation pipe end socket structure, which comprises an end socket cover, wherein a fixed column is welded on the top end surface of the end socket cover, a threaded groove is arranged on the upper end surface of the fixed column, and the bottom end surface of the threaded groove extends out of the fixed column and is communicated with the port of the end socket cover; the utility model has the advantages that: by arranging the threaded groove, the connecting column and the sealing ring, double threads are adopted for connection, and the sealing ring is arranged, so that the sealing effect is improved, and the influence of air leakage and water inflow on use is prevented; the fixing ring and the positioning hole are arranged, so that the bolt can be installed to prevent displacement after connection is finished; the heat preservation layer is arranged between the fixing column and the inner wall and the outer wall of the end socket cover, so that the heat preservation effect can be improved; the outer wall surface provided with the fixing column and the sealing cover is provided with the heat insulation layer, the anti-corrosion layer, the anti-weathering layer and the anti-oxidation layer, so that a good heat insulation effect can be achieved, and the sealing cover has the characteristics of high corrosion resistance, high weather resistance and high oxidation resistance.

Description

Plastic-sheathed-steel heat-insulation pipe end enclosure structure

Technical Field

The utility model relates to a capping structure, in particular to mould cover steel insulating tube capping structure.

Background

The plastic-sheathed steel prefabricated heat-insulation pipe is formed by sequentially combining a working steel pipe, a foam heat-insulation layer and a polyethylene plastic outer protective pipe which are used for conveying a medium outwards through equipment; the end cap is an element for sealing the end of the container to isolate the internal and external media, and is also called an end cap. The closure head of a cylindrical container is generally a swivel housing. The shape of the surface of the end socket can be divided into a convex shape, a conical shape, a flat plate shape and a combined shape;

the traditional end enclosure structure is not convenient to mount and dismount at all, water and air are easy to enter and leak due to poor sealing performance, so that the use of the plastic-sheathed steel heat-insulation pipe is influenced, and the service life of the end enclosure structure is relatively low due to poor corrosion and oxidation prevention effects in the use process of the end enclosure structure;

therefore, based on the problems, the sealing head structure of the plastic-sheathed steel heat-preservation pipe is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould cover steel insulating tube head structure to solve the traditional capping structure that proposes in the above-mentioned background art and be never mostly not convenient for installation and dismantlement, moreover because the leakproofness is not good, intake easily like this, leak gas, thereby the use of cover steel insulating tube is moulded in the influence, and capping structure is at the in-process that uses, because its anticorrosion, anti-oxidation effect are not good, so can make capping structure's life problem comparatively low.

In order to achieve the above object, the utility model provides a following technical scheme: a seal head structure of a plastic sleeve steel heat preservation pipe comprises a seal head cover, wherein a fixed column is welded on the top end face of the seal head cover, meanwhile, the upper end surface of the fixed column is provided with a threaded groove, the bottom end surface of the threaded groove extends out of the fixed column and is communicated with the port of the end cover, the inner wall surface of the end cover is welded with a connecting column, meanwhile, the outer wall surface of the connecting column is provided with threads, a gap is formed between the connecting column and the inner wall surface of the threaded groove, the outer wall surface of the connecting column and the thread direction of the thread groove are consistent, the outer wall surface of the connecting column and the inner wall surface of the thread groove are both provided with sealing rings, the fixed column is provided with a connecting and positioning mechanism which comprises a fixed ring, the fixed ring is fixedly sleeved on the outer wall surface of the fixed column, a plurality of positioning holes are sequentially formed in the fixing ring, and the diameters of the positioning holes are the same.

As an optimal technical scheme of the utility model, fixed column, head lid are bilayer structure, be equipped with the heat preservation between the inner wall of fixed column, head lid, the outer wall, the inside packing of heat preservation has the cotton material of glass, and the thickness of heat preservation is located between 2.5mm-4.0mm simultaneously.

As a preferred technical scheme of the utility model, the outer wall of fixed column, closure lid is equipped with insulating layer, anti-corrosion coating, weather resistant layer, oxidation barrier, and insulating layer, anti-corrosion coating, weather resistant layer, oxidation barrier stack in proper order simultaneously.

As a preferred technical scheme of the utility model, the internal face, the outer wall of sealing washer all are equipped with the screw thread, and the sealing washer all adopts rubber material to make simultaneously.

As an optimized technical scheme of the utility model, the upper surface height of spliced pole is the same with the upper surface height of fixed column.

As an optimized technical scheme of the utility model, the bottom end face shape of closing cap is spherical.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a plastic-sheathed steel insulating tube sealing structure, through setting up the thread groove, spliced pole, sealing washer, then adopt the double screw connection, and set up the sealing washer, thus has improved the sealed effect, prevent the gas leakage, intake influence use; the fixing ring and the positioning hole are arranged, so that the bolt can be installed to prevent displacement after connection is finished; the heat preservation layer is arranged between the fixing column and the inner wall and the outer wall of the end socket cover, so that the heat preservation effect can be improved; the outer wall surface provided with the fixing column and the sealing cover is provided with the heat insulation layer, the anti-corrosion layer, the anti-weathering layer and the anti-oxidation layer, so that a good heat insulation effect can be achieved, and the sealing cover has the characteristics of high corrosion resistance, high weather resistance and high oxidation resistance.

Drawings

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

FIG. 2 is a schematic view of the top connection structure of the present invention;

fig. 3 is a schematic view of the cross-section of the present invention showing a local overlooking connection structure.

In the figure: 1. connecting columns; 2. a threaded groove; 3. fixing a column; 4. connecting a positioning mechanism; 41. a fixing ring; 42. positioning holes; 5. a sealing cover; 6. a seal ring; 7. a heat-insulating layer; 8. a thermal insulation layer; 9. an anti-corrosion layer; 10. a weatherproof layer; 11. and an oxidation preventing layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a plastic-sheathed steel heat-insulating pipe end enclosure structure, which comprises an end enclosure cover 5, wherein a fixed column 3 is welded on the top end surface of the end enclosure cover 5, a threaded groove 2 is formed on the upper end surface of the fixed column 3, the bottom end surface of the threaded groove 2 extends out of the fixed column 3 and is communicated with the port of the end enclosure cover 5, a connecting column 1 is welded on the inner wall surface of the end enclosure cover 5, a thread is formed on the outer wall surface of the connecting column 1, a gap exists between the connecting column 1 and the inner wall surface of the threaded groove 2, the outer wall surface of the connecting column 1 and the thread direction of the threaded groove 2 are consistent, a sealing ring 6 is arranged on the outer wall surface of the threaded groove 2, a connecting and positioning mechanism 4 is arranged on the fixed column 3, the connecting and positioning mechanism 4 comprises a fixed ring 41, the fixed, and the diameters of the positioning holes 42 are the same.

Wherein, fixed column 3, head cover 5 are bilayer structure, are equipped with heat preservation 7 between the inner wall of fixed column 3, head cover 5, the outer wall, and the inside packing of heat preservation 7 has the cotton material of glass, and the thickness of heat preservation 7 lies in between 2.5mm-4.0mm simultaneously, sets up heat preservation 7 and can improve the heat preservation effect.

The outer wall surfaces of the fixing column 3 and the end cap 5 are provided with a heat insulation layer 8, an anti-corrosion layer 9, a weathering layer 10 and an anti-oxidation layer 11, the heat insulation layer 8, the anti-corrosion layer 9, the weathering layer 10 and the anti-oxidation layer 11 are sequentially stacked, and the heat insulation layer 8, the anti-corrosion layer 9, the weathering layer 10 and the anti-oxidation layer 11 are arranged, so that the service life can be prolonged.

Wherein, the internal wall face, the outer wall face of sealing washer 6 all are equipped with the screw thread, and sealing washer 6 all adopts rubber material to make simultaneously, and sealing washer 6 that rubber material made is used for improving the leakproofness.

Wherein, the height of the upper surface of the connecting column 1 is the same as that of the upper surface of the fixing column 3.

Wherein, the bottom end surface of the end enclosure cover 5 is spherical.

When specifically using, the utility model relates to a mould cover steel insulating tube head structure, on spliced pole 1 earlier, the internal face of thread groove 2 sets up sealing washer 6, again with this structural connection in the end department of moulding cover steel insulating tube, with thread groove 2 and the outer wall threaded connection who moulds cover steel insulating tube like this, and make spliced pole 1 and the internal face threaded connection who moulds cover steel insulating tube, then recycle the bolt with solid fixed ring 41 with mould the go-between on the cover steel insulating tube and be connected, so through dual threaded connection, and set up sealing washer 6, the sealed effect has been improved like this, prevent gas leakage, intake and influence the use.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould cover steel insulating tube head structure, includes head cover (5), its characterized in that: the sealing structure is characterized in that a fixing column (3) is welded on the top end face of the sealing cover (5), a threaded groove (2) is formed in the upper end face of the fixing column (3), the bottom end face of the threaded groove (2) extends out of the fixing column (3) and is communicated with a port of the sealing cover (5), a connecting column (1) is welded on the inner wall face of the sealing cover (5), threads are formed in the outer wall face of the connecting column (1), a gap exists between the inner wall faces of the connecting column (1) and the threaded groove (2), the outer wall face of the connecting column (1) and the threaded groove (2) are consistent in thread direction, sealing rings (6) are arranged on the outer wall face of the connecting column (1) and the inner wall face of the threaded groove (2), a connecting and positioning mechanism (4) is arranged on the fixing column (3), the connecting and positioning mechanism (4) comprises a fixing ring (41), and the fixing, a plurality of positioning holes (42) are sequentially formed in the fixing ring (41), and the diameters of the positioning holes (42) are the same.

2. The plastic-sheathed-steel heat-preservation pipe sealing head structure according to claim 1, characterized in that: the fixing column (3) and the end cover (5) are of double-layer structures, a heat insulation layer (7) is arranged between the inner wall and the outer wall of the fixing column (3) and the end cover (5), glass wool materials are filled in the heat insulation layer (7), and meanwhile the thickness of the heat insulation layer (7) is between 2.5mm and 4.0 mm.

3. The plastic-sheathed-steel heat-preservation pipe sealing head structure according to claim 1, characterized in that: the outer wall surfaces of the fixing column (3) and the sealing head cover (5) are provided with a heat insulation layer (8), an anti-corrosion layer (9), an anti-weathering layer (10) and an anti-oxidation layer (11), and the heat insulation layer (8), the anti-corrosion layer (9), the anti-weathering layer (10) and the anti-oxidation layer (11) are sequentially stacked.

4. The plastic-sheathed-steel heat-preservation pipe sealing head structure according to claim 1, characterized in that: the inner wall surface and the outer wall surface of the sealing ring (6) are both provided with threads, and the sealing ring (6) is made of rubber materials.

5. The plastic-sheathed-steel heat-preservation pipe sealing head structure according to claim 1, characterized in that: the height of the upper surface of the connecting column (1) is the same as that of the upper surface of the fixing column (3).

6. The plastic-sheathed-steel heat-preservation pipe sealing head structure according to claim 1, characterized in that: the bottom end face of the end cover (5) is spherical.