CN217108797U

CN217108797U - Polyethylene pipeline for water supply

Info

Publication number: CN217108797U
Application number: CN202123053212.0U
Authority: CN
Inventors: 刘彬
Original assignee: Chongzhou Jiamei Pipe Industry Co ltd
Current assignee: Chongzhou Jiamei Pipe Industry Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-02
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a polyethylene pipeline for feedwater belongs to polyethylene pipeline technical field, include: the sealing device comprises a first pipeline, a second pipeline and a sealing ring which are coaxially arranged, wherein a sealing pipe is attached to the joint of the first pipeline and the second pipeline; one end of the first pipeline facing the second pipeline is connected with an insertion pipe, one end of the second pipeline facing the first pipeline is connected with an inner pipe matched with a groove formed in the outer wall of the insertion pipe, and the outer wall of the inner pipe is provided with a plurality of positioning assemblies; the periphery of the first pipeline and the second pipeline is wrapped with an anti-freezing layer and a wear-resistant layer which are sequentially arranged from inside to outside; the two ends of the sealing ring are locked and fixed through locking bolts with nuts, and a sealing gasket is bonded on the inner surface of the sealing ring through an adhesive. This polyethylene pipeline for feedwater, simple structure, the practicality is strong.

Description

Polyethylene pipeline for water supply

Technical Field

The utility model belongs to the technical field of the polyethylene pipeline, concretely relates to polyethylene pipeline is used in feedwater.

Background

Polyethylene pipelines are generally used as conveying pipelines for construction such as water conservancy and the like, and have the advantages of good economy, stable and reliable interfaces, impact resistance, cracking resistance, aging resistance, corrosion resistance and the like. In northern areas, water pipes are easy to freeze in winter, and water can be frozen and cracked when the water freezes and expands. The indoor water pipe can be wrapped with heat insulation cotton, and the outdoor water pipe is easier to be frozen but is difficult to realize heat insulation.

Therefore, in order to meet the current situation, the design and production of a polyethylene pipeline for water supply are urgently needed to meet the actual use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyethylene pipeline is used to feedwater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a polyethylene pipe for water supply, comprising:

the sealing device comprises a first pipeline, a second pipeline and a sealing ring which are coaxially arranged, wherein a sealing pipe is attached to the joint of the first pipeline and the second pipeline;

one end of the first pipeline facing the second pipeline is connected with an insertion pipe, one end of the second pipeline facing the first pipeline is connected with an inner pipe matched with a groove formed in the outer wall of the insertion pipe, and the outer wall of the inner pipe is provided with a plurality of positioning assemblies;

the periphery of the first pipeline and the second pipeline is wrapped with an anti-freezing layer and a wear-resistant layer which are sequentially arranged from inside to outside.

In a further embodiment, the two ends of the sealing ring are locked and fixed through locking bolts with nuts, and the inner surface of the sealing ring is adhered with a sealing gasket through an adhesive.

In a further embodiment, the locating component comprises a groove arranged on the outer wall of the inner pipe, a locating pin arranged in the groove, a sliding block connected to the bottom of the locating pin and two compression springs connected between the sliding block and the bottom wall inside the groove, the sliding block is in sliding connection with the side wall of the groove, and a plurality of locating holes matched with the locating pin are formed in the outer wall of the insertion pipe.

In a further embodiment, the anti-freezing layer comprises a heat insulation layer, a heat insulation layer closely attached to the outer surface of the heat insulation layer, a fire protection layer closely attached to the outer surface of the heat insulation layer, and a waterproof layer wrapped on the outer surface of the fire protection layer.

In a further embodiment, the heat insulation layer is made of aerogel felt, and the heat insulation layer is made of superfine glass wool.

In a further embodiment, the fireproof layer is made of mica paper materials, and the waterproof layer is made of waterproof films.

The utility model discloses a technological effect and advantage: the polyethylene pipeline for water supply has the advantages that the heat-insulating layer, the fireproof layer and the waterproof layer are matched for use, so that the pipeline has good freezing resistance, the service life of the pipeline is prolonged, and the pipeline does not need to be maintained and replaced frequently; the inner pipe on the second pipeline is inserted into the groove of the insertion pipe on the first pipeline, the positioning pin on the inner pipe is matched and connected with the positioning hole on the insertion pipe through the elastic effect of the two compression springs, and meanwhile, the connection part is sealed by the sealing effect of the sealing ring and the sealing gasket, so that the connection leakage between the two pipelines is avoided; this polyethylene pipeline for feedwater, simple structure, the practicality is strong.

Drawings

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

fig. 2 is a partial cross-sectional view of the inner tube of the present invention;

fig. 3 is a cross-sectional view of the first pipe of the present invention.

In the figure: 1. a first pipeline; 2. a second pipeline; 3. a seal ring; 4. inserting a tube; 5. an inner tube; 6. locking the bolt; 7. positioning pins; 8. a slider; 9. a compression spring; 10. a heat-insulating layer; 11. a thermal insulation layer; 12. A fire barrier layer; 13. a waterproof layer; 14. and a wear-resistant layer.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to meet the actual use requirements, as shown in fig. 1, 2 and 3, the polyethylene pipeline for water supply comprises: the sealing device comprises a first pipeline 1, a second pipeline 2 and a sealing ring 3 which are coaxially arranged, wherein a sealing pipe is attached to the joint of the first pipeline 1 and the second pipeline 2; an insertion pipe 4 is connected to one end, facing the second pipeline 2, of the first pipeline 1, an inner pipe 5 matched with a groove formed in the outer wall of the insertion pipe 4 is connected to one end, facing the first pipeline 1, of the second pipeline 2, and a plurality of positioning assemblies are arranged on the outer wall of the inner pipe 5; the periphery of the first pipeline 1 and the second pipeline 2 is wrapped with an anti-freezing layer and a wear-resistant layer 14 which are sequentially arranged from inside to outside.

In order to avoid connection leakage between the two pipelines, as shown in fig. 1 and fig. 2, two ends of the sealing ring 3 are locked and fixed by a locking bolt 6 with a nut, a sealing gasket is adhered on the inner surface of the sealing ring 3 by an adhesive, the positioning assembly comprises a groove arranged on the outer wall of the inner pipe 5, a positioning pin 7 arranged in the groove, a sliding block 8 connected to the bottom of the positioning pin 7 and two compression springs 9 connected between the sliding block 8 and the bottom wall of the groove, the sliding block 8 is in sliding connection with the side wall of the groove, a plurality of positioning holes matched with the positioning pin 7 are arranged on the outer wall of the insertion pipe 4, the inner tube 5 of the second pipeline 2 is inserted into the groove of the insertion tube 4 of the first pipeline 1, and through the elastic effect of the two compression springs 9, so that the positioning pin 7 on the inner tube 5 is matched and connected with the positioning hole on the insertion tube 4, and the joint is sealed by the sealing effect of the sealing ring 3 and the sealing gasket.

In order to prolong the service life of the pipeline, as shown in fig. 1 and fig. 3, the anti-freezing layer comprises a heat insulation layer 10, a heat insulation layer 11 which is tightly attached to the outer surface of the heat insulation layer 10, a fireproof layer 12 which is tightly attached to the outer surface of the heat insulation layer 11 and a waterproof layer 13 which is wrapped on the outer surface of the fireproof layer 12, the heat insulation layer 10 is made of aerogel felt, the heat insulation layer 11 is made of superfine glass wool, the fireproof layer 12 is made of mica paper materials, the waterproof layer 13 is made of waterproof films, through the arranged heat insulation layer 10, good heat insulation performance can be provided for the pipeline, through the arranged heat insulation layer 11, good heat insulation performance can be provided for the pipeline, through the arranged fireproof layer 12, fireproof protection can be provided for the heat insulation layer 10 and the heat insulation layer 11, and through the arranged waterproof layer 13, waterproof protection can be provided for the fireproof layer 12.

Theory of operation, this polyethylene pipeline for feedwater, when using, insert in the recess of intubate 4 on pipeline 1 through inner tube 5 on pipeline two 2, and through the elastic effect of two compression spring 9, make locating pin 7 on the inner tube 5 and the locating hole on the intubate 4 cooperate and be connected, utilize sealing ring 3 to seal up the junction with sealed effect of filling up simultaneously, through heat preservation 10, insulating layer 11, the cooperation of flame retardant coating 12 and waterproof layer 13 is used, can make the pipeline possess good resistant freeze performance, the life of pipeline has been prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A polyethylene pipe for water supply, comprising:

the sealing device comprises a first pipeline (1), a second pipeline (2) and a sealing ring (3), wherein the first pipeline (1) and the second pipeline (2) are coaxially arranged, and a sealing pipe is attached to the joint of the first pipeline (1) and the second pipeline (2);

the method is characterized in that: one end of the first pipeline (1) facing the second pipeline (2) is connected with an insertion pipe (4), one end of the second pipeline (2) facing the first pipeline (1) is connected with an inner pipe (5) matched with a groove formed in the outer wall of the insertion pipe (4), and a plurality of positioning assemblies are arranged on the outer wall of the inner pipe (5);

the periphery of the first pipeline (1) and the second pipeline (2) is wrapped by an anti-freezing layer and a wear-resistant layer (14) which are sequentially arranged from inside to outside.

2. The polyethylene pipe for water supply according to claim 1, wherein: the sealing ring is characterized in that the two ends of the sealing ring (3) are locked and fixed through locking bolts (6) with nuts, and a sealing gasket is bonded on the inner surface of the sealing ring (3) through an adhesive.

3. The polyethylene pipe for water supply according to claim 2, wherein: locating component is including offering the recess on inner tube (5) outer wall, arranges locating pin (7) in the recess in, connects in sliding block (8) of locating pin (7) bottom and two compression spring (9) of connecting between sliding block (8) and the inside diapire of recess, sliding block (8) are sliding connection with the recess lateral wall, set up a plurality ofly on the outer wall of intubate (4) and locating pin (7) assorted locating hole.

4. The polyethylene pipe for water supply according to claim 3, wherein: the anti-freezing layer comprises a heat insulation layer (10), a heat insulation layer (11) which is tightly attached to the outer surface of the heat insulation layer (10), a fireproof layer (12) which is tightly attached to the outer surface of the heat insulation layer (11), and a waterproof layer (13) which is wrapped on the outer surface of the fireproof layer (12).

5. The polyethylene pipe for water supply according to claim 4, wherein: the heat preservation layer (10) is made of aerogel felt, and the heat insulation layer (11) is made of superfine glass wool.

6. The polyethylene pipe for water supply according to claim 5, wherein: the fireproof layer (12) is made of mica paper materials, and the waterproof layer (13) is made of a waterproof film.