CN210510582U

CN210510582U - Pre-buried pipe for heating power pipeline

Info

Publication number: CN210510582U
Application number: CN201921509681.9U
Authority: CN
Inventors: 王继稳; 袁军团; 田召森
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-12
Anticipated expiration: 2029-09-11

Abstract

A pre-buried pipe for a heating power pipeline is applied to building heating and ventilation arrangement and comprises an outer pipe and an inner pipe, wherein one end of the outer pipe is in threaded connection with one end of the inner pipe, one end of the outer pipe and one end of the inner pipe are spliced to form a positioning mechanism of the pre-buried pipe, an outer sealing ring is arranged at the outer edge of the positioning mechanism and is positioned on the inner side of the positioning mechanism, and an inner sealing ring is arranged at the joint of the outer pipe and the inner pipe; the inner diameter of the outer pipe is consistent with that of the inner pipe. The utility model discloses simple structure, simple to operate, long service life, overall structure is stable, and is sealed, block water, prevent that the seepage passes through, leak protection gas is effectual.

Description

Pre-buried pipe for heating power pipeline

Technical Field

The utility model relates to a warm technical field that leads to of building specifically is a pre-buried pipe of prevention of seepage water leak protection gas for heating power pipeline.

Background

In the current building construction process, after a structural main body is constructed, advance preparation needs to be made for arrangement of heating and ventilation projects, and for a circulating water pipe system, a plurality of hot water pipes need to penetrate through a wall body, and at the moment, a pre-buried pipe needs to be embedded in the wall body to isolate the hot water pipes from the structural main body. Because the pre-buried pipe is arranged in the wall structure, the arrangement of the pre-buried pipe is not good so that the isolation sealing effect is not good after the building is finished, hot water and steam in the pre-buried pipe can permeate the pre-buried pipe to leak out, the water can directly permeate the outer layer structures of the wall and the floor, and the water seeps out from the wall and the ceiling, so that the building quality is seriously influenced.

In the current patent, application number 201810937647.5's patent provides a pre-buried tubular construction of prevention of seepage water, annular drainage circle through having the inclination collects water, the wash port that utilizes annular drainage circle bottom comes water reflux to in the pre-buried pipe, this kind of pre-buried pipe can effectually be installed in floor department, but be difficult to use wall body department, in addition, this pre-buried pipe has better effect to the backward flow of water, but do not have any effect of dredging to the water overflow problem that the pipe blockage arouses, moist moisture also can see through the wash port of pre-buried pipe in the pipeline at ordinary times and permeate the building structure main part, influence the quality of building structure main part, inside bellied annular seal structure also influences wearing to establish of pipeline in the pre-buried pipe, lay for water and electricity and bring great puzzlement. In addition, when the embedded pipe is applied to a heat distribution pipeline, high-temperature steam continuously penetrates through the drain hole to enter a building structure main body, and great threat is brought to a reinforced concrete structure.

The material that current pre-buried pipe for heating power pipeline chose for use generally is galvanized pipe or seamless steel pipe, belongs to the consumptive material that needs a large amount of adoption, and this requires that the structure of pre-buried pipe will be simple, and it is convenient to use, and the cost is cheap, and the part structure disclosed in the current patent is complicated, and the processing degree of difficulty is high, and manufacturing cost is high, and the practicality is poor, is difficult to satisfy the actual demand of construction.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a heating power pipeline is with pre-buried pipe, effectual building structure main part and the heating power pipeline of keeping apart guarantees the drying of building structure main part.

The to-be-solved technical problem of the utility model is realized through following technical scheme:

a pre-buried pipe for a heating power pipeline comprises an outer pipe and an inner pipe, wherein one end of the outer pipe is in threaded connection with one end of the inner pipe, one end of the outer pipe and one end of the inner pipe are spliced to form a positioning mechanism of the pre-buried pipe, an outer sealing ring is arranged at the outer edge of the positioning mechanism and located on the inner side of the positioning mechanism, and an inner sealing ring is arranged at the connection position of the outer pipe and the inner pipe; the inner diameter of the outer pipe is consistent with that of the inner pipe.

The utility model discloses in, the near-end spiro union of the near-end of outer tube and inner tube, the distal end of outer tube and at least one department of the distal end of inner tube set up to the cyclic annular safe edge that outwards extends from the end, and the safe edge is mutually perpendicular with outer tube or inner tube, and the external diameter of safe edge is greater than the external diameter of outer tube or inner tube.

Furthermore, the inner side of the near end of the outer pipe is provided with a connecting groove, the connecting groove is provided with an internal thread, the internal thread corresponds to the connecting groove, the near end of the inner pipe is provided with a connecting pipe, the outer wall of the connecting pipe is provided with an external thread, and the internal thread of the connecting groove is matched with the external thread of the connecting pipe.

Further, the inner sealing ring is arranged at the deepest part of the connecting groove.

Furthermore, the length of connecting groove is not less than the length of connecting pipe, the deepest of connecting groove and the terminal surface clearance fit of connecting pipe.

The utility model discloses in, the near-end outside of outer tube is provided with the cyclic annular outer tube locating plate with outer tube looks vertically, and the near-end outside of inner tube is provided with the cyclic annular inner tube locating plate with inner tube looks vertically, and the outer tube locating plate cooperatees with the inner tube locating plate, splices into the positioning mechanism of buried pipe.

Furthermore, the outer edge of the outer tube positioning plate exceeds the outer edge of the inner tube positioning plate, the outer edge of the outer tube positioning plate is circuitous towards the inner tube positioning plate to form a circuitous part, and the circuitous part is provided with an outer sealing ring.

Furthermore, the circuitous part of the outer edge of the outer tube positioning plate is arranged into an inclined surface, the circuitous part corresponds to the inclined surface, the outer edge of the inner tube positioning plate is arranged into a matched inclined surface, and the outer sealing ring is arranged in a gap between the two inclined surfaces.

The utility model discloses in, the junction of outer tube and inner tube all sets up to strengthening the structure, and the wall thickness is all thicker than the other end, stable in structure non-deformable.

The utility model discloses in, the outer tube all is provided with the insulating layer with the outer wall of inner tube, reduces the infiltration of heat to the pre-buried outside of tubes of pre-buried intraductal heating power pipeline.

Compared with the prior art, the utility model discloses simple structure, easily production, through threaded connection's split type structure convenient production and processing, the positioning mechanism that the concatenation formed when injecing the buried pipe position in advance, shared the extrusion force that the buried pipe received, two sealing washers and the cooperation of above-mentioned structure, very big improvement sealed block water the effect that the prevention of seepage passed through leak protection gas, simple to operate, long service life, the effect is showing.

Drawings

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

FIG. 2 is a schematic view of the structure of the outer tube of the present invention;

FIG. 3 is a schematic view of the inner tube structure of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 1;

fig. 5 is an enlarged schematic view of B in fig. 1.

In the figure: the heat insulation pipe comprises an outer pipe 1, an inner pipe 2, a protective edge 3, an outer pipe positioning plate 4, an inner pipe positioning plate 5, an outer sealing ring 6, a connecting groove 7, a connecting pipe 8, an inner sealing ring 9, a circuitous part 10 and a heat insulation layer 11.

Detailed Description

The invention will be further described with reference to the drawings and specific preferred embodiments without limiting the scope of the invention.

Referring to fig. 1-5 show that pre-buried pipe is used to thermal power pipeline, including outer tube 1 and inner tube 2, the near-end of outer tube 1 and the near-end spiro union of inner tube 2, the near-end inboard of outer tube 1 is provided with spread groove 7, it is internal thread to open in spread groove 7, correspond with it, the near-end of inner tube 2 sets up to connecting pipe 8, the outer wall of connecting pipe 8 sets up to the external screw thread, the internal thread of spread groove 7 is identical with the external screw thread of connecting pipe 8, the deepest of spread groove 7 is provided with interior sealing washer 9, the length of spread groove 7 is greater than the length of connecting pipe 8, leave the space.

The outer pipe comprises an outer pipe 1 and an inner pipe 2, wherein an annular outer pipe positioning plate 4 perpendicular to the outer pipe 1 is arranged on the outer side of the near end of the outer pipe 1, an annular inner pipe positioning plate 5 perpendicular to the inner pipe 2 is arranged on the outer side of the near end of the inner pipe 2, the outer pipe positioning plate 4 is matched with the inner pipe positioning plate 5 and spliced into a positioning mechanism of a pre-buried pipe, the outer edge of the outer pipe positioning plate 4 exceeds the outer edge of the inner pipe positioning plate 5, the outer edge of the outer pipe positioning plate 4 is circuitous to the inner pipe positioning plate 5 to form a circuitous part 10, the circuitous part 10 is set to be an inclined surface and corresponds.

The far end of outer tube 1 and the far end of inner tube 2 all are provided with the annular safe edge 3 that outwards extends from the tip, and safe edge 3 is mutually perpendicular with outer tube 1 or inner tube 2, and the external diameter of safe edge 3 is greater than the external diameter of outer tube 1 or inner tube 2.

The junction of outer tube 1 and inner tube 2 all sets up to strengthen the structure, and the wall thickness all is thicker than the other end, and the outer wall of outer tube and inner tube all is provided with insulating layer 11.

The inner diameter of the outer pipe 1 is consistent with that of the inner pipe 2.

The utility model discloses when being applied to the floor, pre-buried pipe is arranged perpendicularly, and the top should be arranged in to outer tube 1 this moment.

The utility model discloses when being applied to the job site,

outer tube

1 and 2 rotatory installations of inner tube are in the same place, and outer tube locating plate 4 is accomplished with 5 concatenations of inner tube locating plate, and outer seal ring 6 and inner seal circle 7 have all played sealed effect this moment, place the relevant position of wall body or floor with the buried pipe in advance, to the both sides packing concrete of positioning mechanism, after the fixed completion of concrete, the buried pipe in advance is fixed the completion promptly, can wear to establish the heating power pipeline of warm logical engineering in the buried pipe in advance after the building is accomplished.

The existing embedded pipe structure is mostly a single straight pipe and a straight pipe with a positioning plate in the middle, the embedded pipe of the straight pipe structure can only meet the minimum requirement of the embedded pipe, but along with the use of building construction and later period, the smooth outer wall of the embedded pipe can easily slide, one end of the embedded pipe is retracted, one end of the embedded pipe extends out, and the later period processing is influenced. In order to avoid the situation, the conventional design scheme is that the positioning plate is additionally arranged in the middle, and after the positioning plate is sealed in the wall body, the embedded pipe can be firmly fixed in the wall body, but still another problem exists, the stress distribution on two sides of the wall body is not uniform, and under the continuous accumulation of stress, the embedded pipe can be rapidly aged and embrittled, so that the internal pipeline is broken when being replaced and maintained. In the wall body overall arrangement, leave sufficient gap for plumbing and heating power water supply, this makes the wall body wear to establish when the buried pipe in advance, the structure at buried pipe both ends is inconsistent, one end needs to carry out the wall and repaiies, the other end is then only naked concrete wall, the inconsistent wall extrusion force that will bring of structure at both ends, it is different to make buried pipe both ends stress distribution, in addition, in order to make things convenient for later stage wall treatment and shutoff gap's needs, can set up the banding in the one end of above-mentioned buried pipe, this stress balance of further having destroyed the buried pipe in advance. In order to balance the stress at both ends, the utility model discloses in with the replacement of commonly used integral type straight tube for the concatenation pipe, concatenation pipe spiro union and junction set up the sealing washer, and both ends concatenation pipe provides the locating plate jointly for the stress that comes from pre-buried pipe both ends stands the buffering of threaded connection and the elimination of elasticity sealing washer in middle part junction, obtains effectual balance, and then when guaranteeing sealed effect, prolongs the life of pre-buried pipe.

In addition, a sealing ring can be arranged at the joint of the connecting pipe 8 and the main body of the inner pipe 2 and is matched with the outer sealing ring 6 and the inner sealing ring 9, three sealing rings are used for intercepting water and steam which possibly escape, and the water-blocking isolation effect of the embedded pipe is further improved.

Therefore, combine above-mentioned structure and construction application method to discover, heating power pipeline with buried tubular construction simple, simple to operate, long service life, overall structure is stable, and sealed prevention of water seepage leak protection gas effectual.

Claims

1. The utility model provides a heating power is buried pipe in advance for pipeline which characterized in that: the embedded pipe positioning device comprises an outer pipe and an inner pipe, wherein one end of the outer pipe is in threaded connection with one end of the inner pipe, one end of the outer pipe and one end of the inner pipe are spliced to form a positioning mechanism of the embedded pipe, an outer sealing ring is arranged at the outer edge of the positioning mechanism and is positioned on the inner side of the positioning mechanism, and an inner sealing ring is arranged at the connection position of the outer pipe and the inner pipe; the inner diameter of the outer pipe is consistent with that of the inner pipe.

2. The pre-buried pipe for a thermal pipeline of claim 1, wherein: the near end of the outer pipe is in threaded connection with the near end of the inner pipe, at least one of the far end of the outer pipe and the far end of the inner pipe is provided with an annular protective edge extending outwards from the end head, the protective edge is perpendicular to the outer pipe or the inner pipe, and the outer diameter of the protective edge is larger than that of the outer pipe or the inner pipe.

3. A pre-buried pipe for a thermal pipeline as claimed in claim 2, wherein: the inner side of the near end of the outer pipe is provided with a connecting groove, the connecting groove is provided with an internal thread and corresponds to the internal thread, the near end of the inner pipe is provided with a connecting pipe, the outer wall of the connecting pipe is provided with an external thread, and the internal thread of the connecting groove is matched with the external thread of the connecting pipe.

4. A pre-buried pipe for a thermal pipeline as claimed in claim 3, wherein: the inner sealing ring is arranged at the deepest part of the connecting groove.

5. A pre-buried pipe for a thermal pipeline as claimed in claim 3, wherein: the length of spread groove is not less than the length of connecting pipe, the deepest of spread groove and the terminal surface clearance fit of connecting pipe.

6. The pre-buried pipe for a thermal pipeline of claim 1, wherein: the outer pipe is characterized in that an annular outer pipe positioning plate perpendicular to the outer pipe is arranged on the outer side of the near end of the outer pipe, an annular inner pipe positioning plate perpendicular to the inner pipe is arranged on the outer side of the near end of the inner pipe, and the outer pipe positioning plate is matched with the inner pipe positioning plate and spliced to form the positioning mechanism of the pre-buried pipe.

7. The pre-buried pipe for a thermal pipeline of claim 6, wherein: the outer edge of the outer tube positioning plate exceeds the outer edge of the inner tube positioning plate, the outer edge of the outer tube positioning plate is circuitous towards the inner tube positioning plate to form a circuitous part, and the circuitous part is provided with an outer sealing ring.

8. The pre-buried pipe for a thermal pipeline of claim 7, wherein: the outer edge of the inner tube positioning plate is provided with a matched inclined surface, and the outer sealing ring is arranged in a gap between the two inclined surfaces.

9. The pre-buried pipe for a thermal pipeline of claim 1, wherein: the junction of outer tube and inner tube all sets up to strengthen the structure, and the wall thickness all is thicker than the other end.

10. The pre-buried pipe for a thermal pipeline of claim 1, wherein: and the outer walls of the outer pipe and the inner pipe are both provided with heat insulation layers.