CN106567972B - The polymer connector for oil delivery pipe for realizing that static guiding removes axially is turned on seam end face radial direction key - Google Patents
The polymer connector for oil delivery pipe for realizing that static guiding removes axially is turned on seam end face radial direction key Download PDFInfo
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- CN106567972B CN106567972B CN201610928433.2A CN201610928433A CN106567972B CN 106567972 B CN106567972 B CN 106567972B CN 201610928433 A CN201610928433 A CN 201610928433A CN 106567972 B CN106567972 B CN 106567972B
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- direction key
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- delivery pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/01—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
It is a kind of that the polymer connector for oil delivery pipe for realizing that static guiding removes axially is turned on seam end face radial direction key, it is characterized in that：It includes polymer body（1）, it is characterized in that described polymer body（1）Inside be provided with convex ring body（2）, ring body（2）Two end faces be used separately as seam face and the end of the polymer petroleum pipeline of required connection and offset, in described ring body（2）Inner surface be bonded with conducting ring（3）, in conducting ring（3）It is equipped with the end face of both sides some as the radial direction key for making the two polymer petroleum pipeline conductive layers that need to be connected axially turn on（4）, it is machined with and the radial direction key in the end face relative position for the defeated rapid pipe of polymer that need to be connected（4）The groove that size matches（5）, pass through the radial direction key（4）With groove（5）Between cooperation caused by electrical connection realize polymer petroleum pipeline connection after conductive layer conducting.The present invention is simple in construction, will not produce flow resistance and electrostatic accumulation.
Description
Technical field
The invention belongs to polymer petroleum pipeline interconnection technique field, it is related to a kind of polymer connector for oil delivery pipe, especially one
Kind can realize the polymer connector for oil delivery pipe that static guiding removes, and specifically a kind of with seam end face radial direction key, axially conducting is real
The polymer connector for oil delivery pipe that existing static guiding removes.
Background technology
Polymer petroleum pipeline with its light weight, corrosion-resistant, coefficient of friction is small, it is convenient to install and maintain and easily leak out detection etc.
Feature, it has also become the main product of the petroleum pipeline in the market and product market prospects are very wide.However, polymer petroleum pipeline
In oil product course of conveying, its inwall can produce electrostatic charge during friction, shock etc..If in conductive bad situation
Under, charge buildup, which reaches certain electricity, will form very high current potential, when electrical body and the very low thing of not charged or electrostatic potential
When body phase is close, electric discharge will occur and produce spark, serious potential safety hazard be present.It can be seen that it is polymer to realize that static guiding removes
One of key problem of petroleum pipeline and its interconnection technique.For this problem, polymer petroleum pipeline is at least three layers at present
Structure is the tack coat that outer layer is strength layer, internal layer is conductive layer, centre is adhesion strength layer and conductive layer, as shown in Figure 1.
During implementing petroleum pipeline and laying, the connectivity problem of petroleum pipeline will be related to.Petroleum pipeline is mostly adopted in connection
With bend pipe or straight connector, and connector for oil delivery pipe in the market is single polymers material（It is how strong with oil transportation outer tube layer
It is consistent to spend layer material）It is made, i.e., connector for oil delivery pipe in the market simultaneously removes function, the polymerization of two-phase seperation without static guiding
Its internal electrically conductive layer and unrealized conducting after thing petroleum pipeline is connected by pipe joint（Fig. 2）, it is seen that now whole pipeline is not real
Existing static guiding removes, and potential safety hazard is still present.In order to realize that static guiding removes, often in the poly- of two-phase seperation when petroleum pipeline connects
Increase conductive casings between compound petroleum pipeline（Fig. 3）.Conductive casings are to be distributed circumferentially bulge-structure insertion petroleum pipeline at two
After Shi Fasheng elastic deformations, petroleum pipeline internal electrically conductive layer is closely adjacent in a manner of Elastic Contact, realizes two-phase seperation petroleum pipeline
Radially turn on, as shown in Figure 4.However, the program has the following disadvantages：Turned on first, though the program realizes straight tube connection,
Conductive casings are which increased, cost will be brought to increase.Second, its conductive casings inwall and junction are relative to smooth tube wall
For, oil product is conveyed to form resistance, while impurity can also deposit here, long-term use can bring electrostatic connected sets
The problems such as decline.Third, the program is not suitable for being attached at a certain angle, or even if can be used for by intermediate casing deformation
Corner connection, its formability, engineering site adaptability and conducting reliability etc. can have problem to some extent.
It can be seen that the polymer connector for oil delivery pipe especially union elbow that there is no a kind of achievable static guiding to remove at present is available for making
With limiting extensive use of the polymer petroleum pipeline in oil transportation field to a certain degree.
The content of the invention
The purpose of the present invention is for " there is no the polymer connector for oil delivery pipe that a kind of achievable static guiding removes at present especially
Union elbow is available, limit to a certain degree polymer petroleum pipeline oil transportation field in extensive use " ask
Topic, invention is a kind of axially to turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key.
The technical scheme is that：
A kind of axially to turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key, it includes polymerization
Property management body 1, it is characterized in that the inside of described polymer body 1 is provided with the ring body 2 of convex, two end faces of ring body 2 are used respectively
Make seam face and the end of the polymer petroleum pipeline of required connection to offset, conducting ring is bonded with the inner surface of described ring body 2
3, the both ends end face of conducting ring 3 is concordant with the left and right seam face of the both sides of ring body 2, and the internal diameter of conducting ring 3 is with polymerizeing oil transportation bore
Unanimously, the thickness of conducting ring 3 is not less than the thickness of polymer petroleum pipeline conductive layer, if being equipped with the both sides end face of conducting ring 3
Dry to be used as making the radial direction key 4 that the two polymer petroleum pipeline conductive layers that connected axially turn on, the key height of radial direction key 4 radially is not
Less than the half of oil transportation thickness of pipe wall to be connected, the end face relative position for the polymer petroleum pipeline that need to be connected be machined with it is described
The groove 5 that the size of radial direction key 4 matches, the groove 5 must connect the conductive layer 6, tack coat 7 and strength layer of polymer petroleum pipeline
8, pass through the conduction being electrically connected caused by the cooperation between the radial direction key 4 and groove 5 after realizing the connection of polymer petroleum pipeline
Layer conducting.
Described polymer connector for oil delivery pipe is straight connector or union elbow.
Described polymer body 1 and ring body 2 are provided with the glue injection channel 9 for being used as bonding conducting ring 3.
2 times of the thickness of the conducting ring not less than the thickness of the conductive layer 6 of polymer petroleum pipeline to be connected.
The wide a quarter not less than polymer oil transportation thickness of pipe wall to be connected of key of the radial direction key.
The thickness of the radial direction key vertically is the 1/6-1/8 of polymer oil transportation thickness of pipe wall to be connected.
The number sum of radial direction key on described two end faces of conducting ring is no more than 6, and when bond number is more than 1, radial direction key exists
It is evenly distributed residing for conducting ring end face on circumference.
The radial direction key is its position differs the 1/2 of uniform angle on circumference residing for conducting ring or so end face.
The cross sectional shape of the radial direction key can be one kind in trapezoidal, circular arc or rectangle.
Realized reliably for interference fit or by installing fixed polymer Flexible Connector additional between the radial direction key 4 and groove 5
Electrical connection, polymer elasticity connector is power spring or conductive reed, Flexible Connector be actively plugged in radial direction key with
Between groove, or it is fixed on radial direction key or in groove.
Beneficial effects of the present invention：
（1）Polymer connector for oil delivery pipe of the present invention, not only solve such as inwall that brings of increase conductive casings not
It is smooth that the problems such as forming resistance, removing reliability decrease using static guiding for a long time is conveyed to oil product；And it can be fabricated to suitable defeated
Oil pipe corner connection union elbow, so as to solve the difficulty that can not realize that static guiding removes when current petroleum pipeline need to connect at a certain angle
Topic.
（2）Polymer connector for oil delivery pipe of the present invention, by the cross sectional shape of radial direction key, distribution on conducting ring end face
The rational design of position, quantity etc., it is ensured that petroleum pipeline joint face has connection reliability during larger flatness error.
（3）Radial direction keying mistake on polymer connector for oil delivery pipe of the present invention, conducting ring or so end face opens a uniform angle,
The stress when especially being connected at a certain angle using polymer connector for oil delivery pipe of the present invention connection two-phase seperation petroleum pipeline
More uniform, convenient construction simultaneously ensures that connection is reliable.
（4）When connecting petroleum pipeline using of the present invention polymer connector for oil delivery pipe of the radial direction key number not less than 2,
The effect that static guiding removes is not influenceed during a damage wherein, and there is very strong field engineering adaptability.
Brief description of the drawings
The structural representation of the one polymer petroleum pipelines of Fig. 1 tri-；
The existing homogenous material connector for oil delivery pipe structural representation of Fig. 2 in the markets；
Fig. 3 realizes static guiding except using conductive casings structural representation radially to turn on；
Fig. 4 realizes that static guiding removes petroleum pipeline connection diagram using conductive casings；
Fig. 5 connector for oil delivery pipe structural representations of the present invention；
Fig. 6 uses connector for oil delivery pipe connection diagram of the present invention；
Fig. 7 radial directions key is in position view on circumference residing for conducting ring or so end face（Bond number is 2）
The trapezoidal radial direction key cross-sectional views of Fig. 8；
Fig. 9 circular arc radial direction key cross-sectional views；
Figure 10 rectangle radial direction key cross-sectional views.
Embodiment
As shown in Figure 5-10.
Embodiment one.
A kind of axially to turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key, it includes polymerization
Property management body 1, the inside of described polymer body 1 are provided with the ring body 2 of convex, and two end faces of ring body 2 are used separately as seam face
Offseted with the end of the polymer petroleum pipeline of required connection, conducting ring 3 is bonded with the inner surface of described ring body 2, it is described to lead
The both sides end face of electric ring 3 and the both ends end face of ring body 3（I.e. left and right seam face）Preferably concordant, the internal diameter of conducting ring 3 is defeated with polymerizeing
Pipe aperture is consistent, and the thickness of conducting ring 3 is not less than the thickness of polymer petroleum pipeline conductive layer, on the both sides end face of conducting ring 3
Be equipped with it is some be used as make the protrusion that the two polymer petroleum pipeline conductive layers that need to be connected axially turn in the footpath of conducting ring end face
To key 4, the high A of the key of radial direction key 4 radially is not less than the half of oil transportation thickness of pipe wall to be connected, in the polymer petroleum pipeline that need to be connected
End face relative position be machined with the groove 5 to match with the size of radial direction key 4, it is defeated that the groove 5 must connect polymer
Conductive layer 6, tack coat 7 and the strength layer 8 of oil pipe, pass through electrical connection caused by the cooperation between the radial direction key 4 and groove 5
Realize the conductive layer conducting after the connection of polymer petroleum pipeline.As shown in figure 5, the end face of conducting ring 3 or so and the seam face of ring body 2 or so
Concordantly, and the internal diameter size of conducting ring 3 and oil transportation to be connected（Fig. 5 left views）The internal diameter size of pipe 10 is identical in order to which crude oil is without hindrance
Flow through pipe joint in gear ground；It is distributed with the end face of conducting ring 3 or so as the radial direction key 4 axially turned on（Fig. 5 right views）, radial direction key
4 bond distance is not less than the half of oil transportation thickness of pipe wall to be connected, and the radial direction key 4 insertion oil transportation end surfaces are machined when connecting petroleum pipeline
In good same specification groove 5 with matching, pass through the interference fit between radial direction key side and petroleum pipeline groove side（Also may be used
To be realized by installing polymer elasticity connector additional, polymer elasticity connector can be placed directly between radial direction key and groove,
It can be pre-welded in radial direction key or groove, Flexible Connector can be metal spring or reed）Caused elastic deformation is realized
The electrically conducting of conductive layer 6 after petroleum pipeline connection, as shown in Figure 6.
The polymer connector for oil delivery pipe, can be straight connector or union elbow
The polymer connector for oil delivery pipe, its outer layer copolymer body 1 are provided with the injecting glue for being used as viscous ring body 2 and conducting ring 3
Passage 9.
The thickness of the conducting ring 3 is not less than 2 times of the thickness of petroleum pipeline conductive layer 6 to be connected.
The wide B of key of the radial direction key 4 is not less than a quarter of the wall thickness of petroleum pipeline 10 to be connected.
The thickness C vertically of the radial direction key 4 is the 1/6-1/8 of oil transportation thickness of pipe wall to be connected.
The number of the radial direction key is no more than 6, and when bond number is more than 1, radial direction key is being on circumference residing for conducting ring end face
It is uniformly distributed.
The radial direction key is its position differs the 1/2 of uniform angle on circumference residing for conducting ring or so end face.
The cross sectional shape of the radial direction key can be one kind in trapezoidal, circular arc, rectangle.
When using polymer connector for oil delivery pipe of the present invention connection petroleum pipeline, first adopted on oil transportation end surfaces to be connected
The groove with connector for oil delivery pipe radial direction key unified specification of the present invention is processed with related tool, then by petroleum pipeline to be connected
It is connected with connector for oil delivery pipe, connector for oil delivery pipe radial direction key need to be inserted in the manufactured groove of oil transportation end surfaces and protected during connection
Key side is demonstrate,proved to be fitted close；Meanwhile to ensure that connection does not loosen, applied using existing petroleum pipeline connection universal technology in junction
Smear or inject PUR it is carried out it is cementing, you can reach in whole pipeline road conductive layer conducting and realize that static guiding removes.
Embodiment two.
A kind of axially to turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key, it includes polymerization
Property management body 1, the inside of described polymer body 1 are provided with the ring body 2 of convex, and two end faces of ring body 2 are used separately as seam face
Offseted with the end of the polymer petroleum pipeline of required connection, conducting ring 3, conducting ring 3 are bonded with the inner surface of described ring body 2
Internal diameter it is consistent with polymerization oil transportation bore, the thickness of conducting ring 3 is not less than the thickness of polymer petroleum pipeline conductive layer, in conduction
It is equipped with and some is being led as the protrusion for making the two polymer petroleum pipeline conductive layers that need to be connected axially turn on the both sides end face of ring 3
The radial direction key 4 of electric ring end face, the bond distance of radial direction key 4 radially is not less than the half of oil transportation thickness of pipe wall to be connected, what need to be connected
The end face relative position of polymer petroleum pipeline is machined with the groove 5 to match with the size of radial direction key 4, and the groove 5 is necessary
Conductive layer 6, tack coat 7 and the strength layer 8 of polymer petroleum pipeline are connected, is produced by the cooperation between the radial direction key 4 and groove 5
The conductive layer conducting after the connection of polymer petroleum pipeline is realized in raw electrical connection.As shown in figure 5, the end face of conducting ring 3 or so and ring
The seam face of body 2 or so is concordant, and the internal diameter size of conducting ring 3 and oil transportation to be connected（Fig. 5 left views）The internal diameter size of pipe 10 is identical
In order to which crude oil flows through pipe joint without being blocked；It is distributed with the end face of conducting ring 3 or so as the radial direction key 4 axially turned on（Fig. 5
Right view）, the bond distance of radial direction key 4 is not less than the half of oil transportation thickness of pipe wall to be connected, and the radial direction key 4 inserts defeated when connecting petroleum pipeline
In the machined good same specification groove 5 with matching in oil pipe end face, by between radial direction key side and petroleum pipeline groove side
Interference fit（Also can be realized by installing polymer elasticity connector additional, polymer elasticity connector can be placed directly in radially
Between key and groove, it can also be pre-welded in radial direction key or groove, Flexible Connector can be metal spring or reed）It is produced
Elastic deformation realize petroleum pipeline connection after conductive layer 6 electrically conducting, as shown in Figure 6.
The polymer connector for oil delivery pipe is straight connector.
The polymer connector for oil delivery pipe, its polymer body 1 are provided with the note for being used as bonding convex ring body 2 and conducting ring 3
Glue passage 9.
The thickness of the conducting ring 3 is 2 times of the thickness of petroleum pipeline conductive layer 6 to be connected.
The a quarter of a width of oil transportation thickness of pipe wall to be connected of key of the radial direction key.
The key thickness vertically of the radial direction key is the 1/6 of oil transportation thickness of pipe wall to be connected.
The number of the radial direction key 2, in the end face of conducting ring 3, uniformly position differs 180 degree on i.e. residing circumference for it, and
Residing for conducting ring or so end face on circumference its position differ 90 degree, as shown in Figure 7.
The cross sectional shape of the radial direction key is trapezoidal（Fig. 8）.
Embodiment three.
A kind of axially to turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key, it includes polymerization
Property management body 1, the inside of described polymer body 1 are provided with the ring body 2 of convex, and two end faces of ring body 2 are used separately as seam face
Offseted with the end of the polymer petroleum pipeline of required connection, conducting ring 3, conducting ring 3 are bonded with the inner surface of described ring body 2
Internal diameter it is consistent with polymerization oil transportation bore, the thickness of conducting ring 3 is not less than the thickness of polymer petroleum pipeline conductive layer, in conduction
It is equipped with and some is being led as the protrusion for making the two polymer petroleum pipeline conductive layers that need to be connected axially turn on the both sides end face of ring 3
The radial direction key 4 of electric ring end face, the bond distance of radial direction key 4 radially is not less than the half of oil transportation thickness of pipe wall to be connected, what need to be connected
The end face relative position of polymer petroleum pipeline is machined with the groove 5 to match with the size of radial direction key 4, and the groove 5 is necessary
Conductive layer 6, tack coat 7 and the strength layer 8 of polymer petroleum pipeline are connected, is produced by the cooperation between the radial direction key 4 and groove 5
The conductive layer conducting after the connection of polymer petroleum pipeline is realized in raw electrical connection.As shown in figure 5, the end face of conducting ring 3 or so and ring
The seam face of body 2 or so is concordant, and the internal diameter size of conducting ring 3 and oil transportation to be connected（Fig. 5 left views）The internal diameter size of pipe 10 is identical
In order to which crude oil flows through pipe joint without being blocked；It is distributed with the end face of conducting ring 3 or so as the radial direction key 4 axially turned on（Fig. 5
Right view）, the bond distance of radial direction key 4 is not less than the half of oil transportation thickness of pipe wall to be connected, and the radial direction key 4 inserts defeated when connecting petroleum pipeline
In the machined good same specification groove 5 with matching in oil pipe end face, by between radial direction key side and petroleum pipeline groove side
Interference fit（Also can be realized by installing polymer elasticity connector additional, polymer elasticity connector can be placed directly in radially
Between key and groove, it can also be pre-welded in radial direction key or groove, Flexible Connector can be metal spring or reed）It is produced
Elastic deformation realize petroleum pipeline connection after conductive layer 6 electrically conducting, as shown in Figure 6.
The polymer connector for oil delivery pipe is elbow unions.
The polymer connector for oil delivery pipe, it is provided with the polymer body 1 of its outer layer and is used as bonding ring body 2 and conducting ring
Glue injection channel, between the two formed with tack coat 11.
The wall thickness of the conducting ring is 3 times of the thickness of petroleum pipeline conductive layer 6 to be connected.
/ 3rd of a width of oil transportation thickness of pipe wall to be connected of key of the radial direction key.
The axial width of the radial direction key is the 1/7 of oil transportation thickness of pipe wall to be connected.
The number of the radial direction key 3, it is uniformly 120 degree of position difference on residing circumference in conducting ring end face, and
Its position differs 60 degree on circumference residing for conducting ring or so end face.
The cross sectional shape of the radial direction key is circular arc（Fig. 9）.
Example IV.
The present embodiment and the difference of embodiment one are that the polymer connector for oil delivery pipe is 120 degree of angle union elbows.Institute
Polymer connector for oil delivery pipe is stated, the thickness of the conducting ring 3 is 4 times of the thickness of petroleum pipeline conductive layer 6 to be connected.The radial direction key
The half of the 4 a width of oil transportation thickness of pipe wall to be connected of key.The axial width of the radial direction key 4 is oil transportation thickness of pipe wall to be connected
1/8.The number of the radial direction key 4, in conducting ring end face, uniformly position differs 90 degree on i.e. residing circumference for it, and in conducting ring
Its position differs 45 degree on circumference residing for the end face of left and right.The cross sectional shape of the radial direction key is rectangle（Figure 10）.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (10)
1. a kind of axially turn on the polymer connector for oil delivery pipe for realizing that static guiding removes with seam end face radial direction key, it includes polymer
Body（1）, it is characterized in that described polymer body（1）Inside be provided with convex ring body（2）, ring body（2）Two end faces
It is used separately as seam face and the end of the polymer petroleum pipeline of required connection to offset, in described ring body（2）Inner surface bond
There is conducting ring（3）, conducting ring（3）Internal diameter it is consistent with polymer oil transportation bore, conducting ring（3）Thickness be not less than polymer
The thickness of petroleum pipeline conductive layer, in conducting ring（3）It is equipped with the end face of both sides some defeated as two polymer for making to connect
The radial direction key that oil pipe conductive layer axially turns on（4）, radial direction key（4）Key radially is high to be not less than the one of oil transportation thickness of pipe wall to be connected
Half, it is machined with and the radial direction key in the end face relative position for the polymer petroleum pipeline that need to be connected（4）Size matches recessed
Groove（5）, the groove（5）The conductive layer of polymer petroleum pipeline must be connected（6）, tack coat（7）With polymer strength layer（8）, lead to
Cross the radial direction key（4）With groove（5）Between cooperation caused by electrical connection realize polymer petroleum pipeline connection after conduction
Layer conducting.
2. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：Described polymer connector for oil delivery pipe is straight
Pipe joint or union elbow.
3. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：Described polymer body（1）And ring body
（2）It is provided with and is used as bonding conducting ring（3）Glue injection channel（9）.
4. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The thickness of the conducting ring is not less than the company for the treatment of
The conductive layer of graft (co) polymers petroleum pipeline（6）2 times of thickness.
5. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The key of the radial direction key is wide to be not less than the company for the treatment of
The a quarter of graft (co) polymers oil transportation thickness of pipe wall.
6. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The thickness of the radial direction key vertically is to treat
Connect the 1/6-1/8 of polymer oil transportation thickness of pipe wall.
7. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：Radial direction on described two end faces of conducting ring
The number sum of key is no more than 6, and when bond number is more than 1, radial direction key is being evenly distributed residing for conducting ring end face on circumference.
8. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The radial direction key is in conducting ring or so end face
Its position differs the 1/2 of uniform angle on residing circumference.
9. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The cross sectional shape of the radial direction key is ladder
One kind in shape, circular arc or rectangle.
10. polymer connector for oil delivery pipe according to claim 1, it is characterized in that：The radial direction key（4）With groove（5）It
Between for interference fit or by installing fixed polymer Flexible Connector additional realize reliable electrical connection, polymer elasticity connector
For power spring or conductive reed, polymer elasticity connector is actively plugged between radial direction key and groove, or is fixed on radially
On key or in groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928433.2A CN106567972B (en) | 2016-10-31 | 2016-10-31 | The polymer connector for oil delivery pipe for realizing that static guiding removes axially is turned on seam end face radial direction key |
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|---|---|---|---|
| CN201610928433.2A CN106567972B (en) | 2016-10-31 | 2016-10-31 | The polymer connector for oil delivery pipe for realizing that static guiding removes axially is turned on seam end face radial direction key |
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| CN107061875A (en) * | 2017-04-24 | 2017-08-18 | 江苏法利沃环保科技有限公司 | The resistance to antistatic petroleum pipeline of fuel oil |
| CN107270007B (en) * | 2017-07-10 | 2022-10-28 | 江苏大学 | Hot-melting type electrostatic conduction polymer oil delivery pipe elbow joint and preparation method thereof |
| CN107191728A (en) * | 2017-07-22 | 2017-09-22 | 江苏法利沃环保科技有限公司 | A kind of double-deck pipe fitting joint static conductive attachment structure |
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| US8497425B2 (en) * | 2001-11-20 | 2013-07-30 | Commscope, Inc. Of North Carolina | Toneable conduit with heat treated tone wire |
| US20110225988A1 (en) * | 2010-03-17 | 2011-09-22 | Cpsi Biotech | Multi-Lumen Axial Cryogenic Connector |
| DE102014102357A1 (en) * | 2014-02-24 | 2015-08-27 | Norma Germany Gmbh | Heatable fluid line |
| WO2015159227A2 (en) * | 2014-04-15 | 2015-10-22 | Eaton Corporation | Bulkhead connector assembly |
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