CN206786159U

CN206786159U - A kind of easily direct Petroleum Pipehead of duplex

Info

Publication number: CN206786159U
Application number: CN201720116693.XU
Authority: CN
Inventors: 朱政鹏
Original assignee: Jiangsu Longqi Rubber Co Ltd
Current assignee: Jiangsu Longqi Rubber Co Ltd
Priority date: 2017-02-08
Filing date: 2017-02-08
Publication date: 2017-12-22
Anticipated expiration: 2027-02-08

Abstract

The utility model discloses a kind of easily direct Petroleum Pipehead of duplex, including outer jacket pipe, and the spout part diameter at the both ends of the outer jacket pipe is more than its pipe shaft portion diameter；Wherein, the welding layer pipe being provided with the outer jacket pipe together with outer jacket pipe injection；Uniform winding has multiply steel alloy silk thread on the outer ring of the welding layer pipe, one end of the steel alloy silk thread is connected with the positive conductive electrode end connector being arranged on the outside of the outer jacket pipe, and the other end of the steel alloy silk thread is connected with the conductive negative pole end connector being arranged on the outside of the outer jacket pipe.The utility model is simple in construction, easy to use, can closely connect the first petroleum pipeline and the second petroleum pipeline, greatly reduce the leakage probability of pipeline at jointing.

Description

A kind of easily direct Petroleum Pipehead of duplex

Technical field

It the utility model is related to a kind of easily direct Petroleum Pipehead of duplex.

Background technology

With the raising of national environmental standard, more and more higher is required to the environmental-protecting performance of equipment In Oil Service Station.Gas station's oil transportation One of pipeline source of leaks main as gas station, is also increasingly paid attention to by country.

Recently, write by national environmental protection portion quality supervision and test quarantine general bureau《Gas station oozes, leakage pollution controls Standard (exposure draft)》Regulation：Gas station's double-layer oil delivery pipe line preferably selects the nonmetallic composite system for being adapted to oil product conveying Make.The relatively broad nonmetallic composite of current application is mainly the thermoplastics such as polyethylene.

There are two kinds for the major way of polyethylene pipe welding at present, one kind is sweat soldering, and another kind is electric fusion welding. CN200710200834.7 is related to the connection method of joint for drip irrigation belt, is a kind of drip-irrigation zone joint hot-melting welding method.The drip irrigation Belt lacing sweat soldering method comprises the following steps：First, one end of a drip irrigation zone is inserted into another drip irrigation zone；Its It is secondary, the one side of two drip irrigation zone intersections is placed on to the heating plate working region of hot melting equipment, applied on heating sheet devices Add pressure at right angle to pressurize drip irrigation zone intersection, heated while pressurization, continue to pressurize after heating, add Drip irrigation zone is taken out from heating plate working region after pressure, the another side of two drip irrigation zone intersections is placed on hot melting equipment Heating plate working region, repeat aforesaid operations.

Connector used by existing oil transportation, the sealing of its connected mode is poor, and bonding strength is not high, uses Easily threaded off after a period of time, cause the leakage of oil, so as to cause the waste of resource, here it is present in prior art not Foot part.

Utility model content

The purpose of the utility model is to provide a kind of duplex easily direct Petroleum Pipehead the defects of presence for prior art.

The utility model to achieve the above object, adopts the following technical scheme that：A kind of easily direct Petroleum Pipehead of duplex, Including outer jacket pipe, the spout part diameter at the both ends of the outer jacket pipe is more than its pipe shaft portion diameter；Wherein, the outer jacket pipe The welding layer pipe being inside provided with together with outer jacket pipe injection；Uniform winding has multiply on the outer ring of the welding layer pipe Steel alloy silk thread, one end of the steel alloy silk thread are connected with the positive conductive electrode end connector being arranged on the outside of the outer jacket pipe, The other end of the steel alloy silk thread is connected with the conductive negative pole end connector being arranged on the outside of the outer jacket pipe；The welding layer The left end spout part that one end of pipe is located at the outer jacket pipe is provided with the first inner restrictive coating pipe, the other end of the welding layer pipe The right-hand member spout part position of the outer jacket pipe is provided with the second inner restrictive coating pipe；The first inner restrictive coating pipe and described The internal diameter of second inner restrictive coating pipe is more than the internal diameter of the welding layer pipe pipe shaft.

Further, the spout part phase with the both ends of the outer jacket pipe is axially embedded with the tube wall of the welding layer pipe The copper pipe of connection；Formed with the first clearance layer between the first inner restrictive coating pipe and first oil pipeline；Described second Formed with the second clearance layer between inner restrictive coating pipe and second oil pipeline.

Further, the inwall of the welding layer pipe closely pastes with the outer wall of the first oil pipeline and the second oil pipeline Close.

The beneficial effects of the utility model：The utility model is simple in construction, easy to use, can be by the first petroleum pipeline and Two petroleum pipelines closely connect, and greatly reduce the leakage probability of pipeline at jointing.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

Shown in Fig. 1, it is related to a kind of easily direct Petroleum Pipehead of duplex, including outer jacket pipe 1, the outer jacket pipe 1 The diameter of spout part 12 at both ends is more than its diameter of pipe shaft portion 11；Wherein, it is provided with the outer jacket pipe 1 and the outer jacket pipe The welding layer pipe 13 of 1 injection together；Uniform winding has multiply steel alloy silk thread 15 on the outer ring of the welding layer pipe 13, described One end of steel alloy silk thread 15 is connected with being arranged on the positive conductive electrode end connector 16 in the outside of outer jacket pipe 1, the steel alloy The other end of silk thread 15 is connected with being arranged on the conductive negative pole end connector 18 in the outside of outer jacket pipe 1；The welding layer pipe 13 One end be located at the left end spout part 14 of the outer jacket pipe 1 and be provided with the first inner restrictive coating pipe 21, the welding layer pipe 13 The position of the right-hand member mouth of pipe 17 that the other end is located at the outer jacket pipe 1 installs and is equipped with the second inner restrictive coating pipe 22；Protected in described first The internal diameter of jacket layer pipe 21 and the second inner restrictive coating pipe 22 is more than the internal diameter of the pipe shaft of welding layer pipe 13.It is optimal in order to reach Performance, the wall thickness of the outer jacket pipe 1 is three times with the wall thickness of the welding layer pipe 13.

Wherein, the spout part phase with the both ends of the outer jacket pipe 1 is axially embedded with the tube wall of the welding layer pipe 13 The copper pipe 4 of connection；Formed with the first clearance layer 23 between the first inner restrictive coating pipe 21 and first oil pipeline 31；Institute State between the second inner restrictive coating pipe 22 and second oil pipeline 32 formed with the second clearance layer 24.

Wherein, the outer wall for stating the inwall and the first oil pipeline 31 and the second oil pipeline 32 of welding layer pipe 13 closely pastes Close.

Connect in use, the first oil pipeline 31 and the second oil pipeline 32 are inserted into petroleum pipeline of the present utility model respectively Head both ends, and as far as possible the mouth of pipe of the first oil pipeline 31 and the second oil pipeline 32 is docking together, then to conduction just Extreme joint 16 carries out energization with conductive negative pole end connector 18 and connected so that the electrified regulation of steel alloy silk thread 15, then fuses layer Pipe 13 will be melted so that the pipe shaft of external sheath layer 1, the pipe shaft of welding layer pipe 13 and first, second oil pipeline closely melt Conjunction bonds together；And cause the spout part of external sheath layer 1, the spout part and first, second inner sheath of welding layer pipe 13 Layer pipe 21,22, which can be merged closely, to bond together；Thus can is overall closely connects first, second oil pipeline Come, greatly reduce the leakage probability of pipeline at jointing.

Simultaneously as the spout part with the both ends of the outer jacket pipe 1 is axially embedded with the tube wall of welding layer pipe 13 The copper pipe 4 being connected.The purpose of the design is, can be in the first inner restrictive coating pipe 21 or the second inner restrictive coating pipe during design 22 side, which is located in the clearance layer, is provided with Oil spills detection sensor (not shown), it is assumed that first at jointing Oil infiltration leakage locally occurs for the oil pipeline 32 of oil pipeline 31 or second, and the oil of leakage is flowed into first by copper pipe 4 (position that sensor is set specifically is seen in the clearance layer 24 of clearance layer 23 or second), and such sensor will detect leakage Oil, alarm is then carried out, staff's can timely processing, prevents the generation of accident.

Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims

A kind of 1. easily direct Petroleum Pipehead of duplex, it is characterised in that including outer jacket pipe, the both ends of the outer jacket pipe Spout part diameter is more than its pipe shaft portion diameter；Wherein, it is provided with the outer jacket pipe together with outer jacket pipe injection Welding layer pipe；Uniform winding has multiply steel alloy silk thread, one end of the steel alloy silk thread on the outer ring of the welding layer pipe It is connected with the positive conductive electrode end connector being arranged on the outside of the outer jacket pipe, the other end of the steel alloy silk thread is with being arranged on institute State the conductive negative pole end connector connection on the outside of outer jacket pipe；One end of the welding layer pipe is located at the left end pipe of the outer jacket pipe Oral area is provided with the first inner restrictive coating pipe, and the other end of the welding layer pipe is located at the right-hand member spout part position of the outer jacket pipe It is provided with the second inner restrictive coating pipe；The internal diameter of the first inner restrictive coating pipe and the second inner restrictive coating pipe is more than the welding The internal diameter of layer pipe pipe shaft.
A kind of 2. easily direct Petroleum Pipehead of duplex as claimed in claim 1, it is characterised in that the pipe of the welding layer pipe The copper pipe being connected with the spout part at the both ends of the outer jacket pipe is axially embedded with wall；The first inner restrictive coating Guan Yu Formed with the first clearance layer between one oil pipeline；Formed with second between the second inner restrictive coating pipe and the second oil pipeline Clearance layer.
3. the easily direct Petroleum Pipehead of a kind of duplex as claimed in claim 2, it is characterised in that described to fuse the interior of layer pipe The outer wall of wall and the first oil pipeline and the second oil pipeline is brought into close contact.