CN110131512A - Built-in receiving slot type electric melting pipe fittings - Google Patents
Built-in receiving slot type electric melting pipe fittings Download PDFInfo
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- CN110131512A CN110131512A CN201910339629.1A CN201910339629A CN110131512A CN 110131512 A CN110131512 A CN 110131512A CN 201910339629 A CN201910339629 A CN 201910339629A CN 110131512 A CN110131512 A CN 110131512A
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- Prior art keywords
- built
- pipe fittings
- electric melting
- type electric
- receiving slot
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Classifications
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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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
Abstract
A kind of built-in receiving slot type electric melting pipe fittings provided by the invention, comprising: tube body, including several ends, the end-face wall of at least one of which end are recessed inwardly to form several holding tanks；At least two connector lugs are arranged on tube body；First heat molten type material layer, at least part are fixed on the outer layer surface of holding tank and/or on the inner layer surface of holding tank；And first heating wire, it is fixed in the first heat molten type material layer；Connector lug is electrically connected in first heating wire both ends.In a first aspect, holding tank of the invention melts connecting pipe, with multiple joint faces, firmness is much higher than existing product.
Description
Technical field
The present invention relates to electric melting pipe fittings fields, and in particular to a kind of built-in receiving slot type electric melting pipe fittings.
Background technique
Currently, electric melting pipe fittings refer to that the high temperature generated using electric current keeps the pipe fitting of the multiple polyethylene materials to contact with each other molten
The tubing accessory to link together after change is such as threadedly coupled, plug-in type connection compared to traditional pipe fitting connection type, due to
It needs to rotate pipe fitting or apply active force during the connection process, for some large-size pipes, on-site construction operations ten
Point difficulty, electric smelting connection type advantage in construction work is prominent, for polyethylene material pipe fitting, using electric fusion welding technology,
Easily two pipe fittings can be connected.
In recent years, electric melting pipe fittings are in fields such as city water pipe pipe network, pipeline network of fuel gas in city, petroleum, chemical industry and sewage discharges
Using very extensive, the electric melting pipe fittings of different field distinguished in specification, structure it is very big, as patent CN202708443U is public
A kind of electric melting pipe fittings elbow opened is provided with heating wire and connecting terminal on tube body, in the construction process, it is only necessary to by external electrical
Source is connect with connecting terminal, after energization, under the action of electric current, is connected as one after making two pipe fitting fusings；It is right for two
Jointed tubular workpieces specification and structure mismatch.There are electric melting pipe fittings on-site construction operations to be simply widely used, but electric melting pipe fittings connect
The success rate connect is also not absolutely, uses single side melting connection, and joint face only has side, and fastness is poor.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide slot type electric melting pipe fittings are accommodated built in one kind, if being recessed inwardly to be formed using the end-face wall of end
Dry holding tank, holding tank have multiple joint faces, and firmness is high；It solves existing electric melting pipe fittings to connect using single side melting
It connects, joint face only has side, the poor defect of fastness.
(2) technical solution
In order to solve the above technical problem, the present invention provides one kind built-in accommodate slot type electric melting pipe fittings, comprising: tube body, including
Several ends, the end-face wall of at least one of which end are recessed inwardly to form several holding tanks；At least two connector lugs, if
It sets on tube body；First heat molten type material layer, at least part are fixed on the outer layer surface of holding tank and/or the inner layer surface of holding tank
On；And first heating wire, it is fixed in the first heat molten type material layer；Wiring is electrically connected in first heating wire both ends
Head.In a first aspect, holding tank of the invention melts connecting pipe, with multiple joint faces, firmness is much higher than existing
Product.Second aspect, in the prior art often due to melt liquid flows between the electric melting pipe fittings and insertion piece after its melting
Difference or bubble generation and give birth to gap, liquid is escaped along the gap penetration.Section wall of the present invention in end
Several holding tanks are equipped with, the insertion head insertion of pipe fitting is facilitated insertion into, the liquid in holding tank after its melting fills up receiving
Slot, will not overflow go out, the permeation pathway of liquid be it is curved U-shaped, considerably increase the resistance of Liquid Penetrant, and greatly reduce
Liquid gap penetration between liquid melts between electric melting pipe fittings and insertion piece escapes, while the grafting side of its structure
Formula, facilitates alignment and fixation, and the different processes in melting need support equipment support insert and electric smelting tube body to guarantee to melt.
Preferably, the holding tank is multiple, is distributed over the periphery of the nozzle of arranged at inner side of pipe fitting.The present invention is equipped with more
A holding tank, and it is distributed over the periphery of the nozzle of arranged at inner side of pipe fitting, further, facilitate alignment and fixation, difference exists
The process of melting needs support equipment support insert and electric smelting tube body to guarantee to melt, it is not easy to rotate.
Preferably, the holding tank is 1, which is annular.The present invention uses annular receiving groove, structure letter
Single, the holding tank of single monoblock type, there is no the intervals between multiple holding tanks, and being easy melt liquid material can not fill out
Interval between full holding tank, avoids liquid and is easy melt liquid material and be spaced apart unevenness between multiple holding tanks
Even situation ensure that the uniformity of whole process.
Preferably, the interior side-wall surface of the tube body is at least locally fixed with the second heat molten type material layer, second hot melt
The second heating wire, the external connector lug of the second heating wire are fixed on the profile bed of material.The present invention is set using the inner sidewall of tube body
There is the second heating wire, can further allow inner sidewall that can be fused together with insertion piece, with reference to first aspect, the two
Play the drip-preventing function of double insurance.
Preferably, the connector lug is two pairs, wherein the first heating wire both ends connect one pair of them connector lug, the second electric heating
Silk connection another pair connector lug.First heating wire and the second heating wire of the invention connect two docking the end of a thread respectively, can divide in this way
Open independently progress electric smelting docking operation.
Preferably, the outer side wall surface of the tube body is at least locally fixed with third heat molten type material layer, second hot melt
Third heating wire, the external connector lug of third heating wire are fixed on the profile bed of material.The outer side wall surface of tube body of the present invention is extremely
Few part is fixed with third heat molten type material layer and third heating wire, allows lateral wall that can be fused together knot with insertion piece
It closes in a first aspect, the two plays the drip-preventing function of double insurance.More preferably, the interior side-wall surface of the tube body is at least locally fixed
There is the second heat molten type material layer, the second heating wire is fixed in the second heat molten type material layer, second heating wire is external to be connect
The end of a thread.The present invention uses three layers of heat molten type material layer and three groups of heating wire, can be used as a standard component, can satisfy difference
Insertion piece or package assembly assembly, only can meet insertion pieces different on the market simultaneously with a kind of mold or production line, in a disguised form
Reduce manufacturing cost.
Preferably, the connector lug is arranged on the lateral wall of tube body.Connector lug of the invention is mounted on lateral wall,
Structure is simply easy to process.
Preferably, the outer ledge of the end-face wall of tube body is arranged in the connector lug.Its arrangement of radial connector lug, needs
It wants connector lug annulate shaft radially to arrange, increases the shared space of entire electric smelting tube body.Connector lug installation tube body of the invention
The outer ledge of end-face wall, connector lug, which can be inserted in insertion piece, plays a part of butt junction location and fixation, electric smelting tube body
Maximum outside diameter it is smaller (without the height for the connector lug radially arranged), reduce the shared space of entire electric smelting tube body,
The arrangement of its axial connector lug allows to arrange that more connector lugs, connecting line in the same direction are more convenient regular and operate, without
It is the electric wire of different directions, is easy confusion.
Preferably, the connector lug is installed in far from nozzle one end.Second aspect, connector lug of the present invention are installed in far
From nozzle one end, nozzle one end outer diameter has been reduced to the greatest extent, concentrate on middle part end, mold only has one end to set aperture,
Mold is more simple, produces more convenient.Meanwhile if connector lug is arranged apart, both ends due to connector lug and heating wire
Between junction resistance it is smaller, cause the heating effect at connector lug both ends bad；And connector lug is located at the same end, reduces one end
The poor area of heating effect, improves heating effect；And distance is the axial length after bending of heater strip between connector lug,
Connector lug itself can occupy certain length (due to electric current by power it is big, connector lug itself also can overstriking increase), significantly
Shorter heater strip is arranged in limitation；And nozzle side is equipped with connector lug, will affect nozzle and opens up other fastening such as screw thread, right
Binding structure especially arranges the structure of heating wire again in the lateral wall of pipe fitting.
Preferably, tube body tool is there are two end, the angle between the end center line is 90 °, 120 °, 135 °,
150 ° or 180 °.The present invention uses the angle between the center line of end for 90 °, 120 °, 135 °, 150 ° or 180 °；It is as normal
Different use environments can be used in the standard component seen.
Preferably, only one of which end is equipped with annular receiving groove.The present invention uses an annular receiving groove, is convenient for
Connect a wherein side ducts.
Preferably, annular receiving groove is equipped on two ends.Invention uses an annular receiving groove, wherein convenient for connection
Two side ducts.
Preferably, end there are three the tube body tools, two of them end center line having the same, third end
The common center line in central axis two ends.The present invention can as common standard component using the construction of tee tube
To use different use environments.
Preferably, the outer diameter at the tube body both ends is greater than the outer diameter at middle part.The outer diameter that tube body both ends are arranged in the present invention is greater than
The outer diameter at middle part convenient for increasing end portion, and reduces the size of non-solder part, reduces production cost.
Preferably, the outer diameter at the tube body both ends is less than the outer diameter at middle part.The outer diameter that tube body both ends are arranged in the present invention is less than
The outer diameter at middle part, convenient for reinforcing the intensity at middle part.
(3) beneficial effect
A kind of built-in receiving slot type electric melting pipe fittings provided by the invention, have the advantage that
1, in a first aspect, holding tank of the invention melts connecting pipe, with multiple joint faces, firmness is much higher than existing
Some products.Second aspect, in the prior art often due to melt liquid stream between the electric melting pipe fittings and insertion piece after its melting
The generation of moment or bubble and give birth to gap, liquid is escaped along the gap penetration.Section of the present invention in end
Wall is equipped with several holding tanks, facilitates insertion into the insertion head insertion of pipe fitting, and the liquid in holding tank after its melting fills up appearance
Receive slot, will not overflow go out, the permeation pathway of liquid be it is curved U-shaped, considerably increase the resistance of Liquid Penetrant, and subtract significantly
Lacked liquid melted between electric melting pipe fittings and insertion piece between liquid gap penetration escape, while the grafting side of its structure
Formula, facilitates alignment and fixation, and the different processes in melting need support equipment support insert and electric smelting tube body to guarantee to melt.
2, connector lug of the present invention is installed in far from nozzle one end, has been reduced nozzle one end outer diameter to the greatest extent, has been concentrated on
Middle part end, mold only have one end to set aperture, and mold is more simple, produce more convenient.Meanwhile if connector lug separates
Arrangement, both ends due to the resistance of junction between connector lug and heating wire it is smaller, lead to the heating effect at connector lug both ends
It is bad；And connector lug is located at the same end, reduces the poor area of heating one end effect, improves heating effect；And connector lug it
Between distance be heater strip axial length after bending, connector lug itself can occupy certain length (since electric current passes through power
Greatly, connector lug itself also can overstriking increase), shorter heater strip is arranged in limitation significantly；And nozzle side is equipped with connector lug,
It will affect nozzle and open up other fastenings such as screw thread, docking structure, especially arrange the knot of heating wire again in the lateral wall of pipe fitting
Structure.
Detailed description of the invention
Fig. 1 is 1 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 2 is 1 sectional view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 3 is the 1 heating wire structure figure of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 4 is 2 sectional view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 5 is 2 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 6 is 3 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 7 is 3 side view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 8 is 3 sectional view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Fig. 9 is 4 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 10 is 4 sectional view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 11 is the embodiment 1 and pipeline assembly structure figure of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 12 is 5 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 13 is 6 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 14 is 7 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention；
Figure 15 is 8 exterior view of embodiment of built-in receiving slot type electric melting pipe fittings of the invention.
1, tube body, 2, connector lug, the 3, first heating wire, 4, holding tank, the 5, first heat molten type material layer, the 6, second heat molten type
Material layer, the 7, second heating wire, 8, third heat molten type material layer, 9, third heating wire, 10, end.
In addition, A, B, C respectively refer to the port (such as three ports) of pipe fitting, AC1/ AC2, BC1/BC2, CC1/CC2
Respectively refer to three port inner ring inner walls and outer ring inner wall；
Jxda1/ jxda2 refers to two terminals of connection inner ring cell wall the first heating wire of AC1 on the annular groove face on the port A；
Jxdb1/ jxdb2 refers to two terminals of connection the first heating wire of outer ring cell wall AC2 on the annular groove face on the port A；
Jxdc1/ jxdc2 refers to two terminals of connection inner ring cell wall the first heating wire of BC1 on the annular groove face on the port B；
Jxdd1/ jxdd2 refers to two terminals of connection the first heating wire of outer ring cell wall BC2 on the annular groove face on the port B；
Jxde1/ jxde2 refers to two terminals of connection inner ring cell wall the first heating wire of CC1 on the annular groove face on the port B；
Jxdf1/ jxdf2 refers to two terminals of connection the first heating wire of outer ring cell wall CC2 on the annular groove face on the port B.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is connected directly, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
Embodiment 1
As depicted in figs. 1 and 2, the invention discloses slot type electric melting pipe fittings, including tube body 1 and setting are accommodated built in one kind in tube body
On eight connector lugs 2, the tube body includes that two ends 11 and the first heating wire 3, the end-face wall of both ends end are recessed inwardly
Form the annular receiving groove 4 of a monoblock type；First heat molten type material layer 5 is fixed on the outer layer surface of holding tank and holding tank
On inner layer surface；And first heating wire be fixed in the first heat molten type material layer；First heating wire both ends electrically connect respectively
Connect connector lug.The connector lug is arranged on the lateral wall of pipe end.The connector lug is installed in far from nozzle one end.Institute
The outer diameter for stating tube body both ends is less than the outer diameter at middle part.Angle between the end center line is 180 °.It is all provided on two ends
There is annular receiving groove.
Its heating wire is as shown in figure 3, the heating wire includes the cylinder spiral electric heating of two spirals in the same direction arranged side by side
Silk, the end of a thread that two cylinder spiral heating wire are located at the same side are connected；Two cylinder spiral heating wire are located at the other side two
Cylinder spiral heating wire the end of a thread connects two different connector lugs.The heating wire includes the column of two spirals in the same direction arranged side by side
Surface helix heating wire, the end of a thread that two cylinder spiral heating wire are located at the same side are connected；Two cylinder spiral heating wire are located at
The spiral heating wire the end of a thread of the other side two connects two different connector lugs.The outer side bus of the helix of cylinder spiral heating wire
A is straight line.
When the present embodiment is implemented, as shown in Fig. 11, when two groups of above-mentioned each two connector lugs, all in plastic material
In, when all linking together, therefore can there was only one group namely two connector lugs on outer surface.Pipeline is inserted into pipe
In the annular groove of part one end, the inner ring inner wall of the annular groove of corresponding one end of inner wall and pipe fitting of pipeline is mapped, the annular groove of pipe fitting
Some areas the outer ring inner wall of a part and the outer wall of corresponding local a part of pipeline be also mapped, two groups of electricity
Silk group is heated, it is outer on the inner wall of pipeline, outer wall and the corresponding annular groove face of pipe fitting in the case where two connector lugs are powered
Inner ring inner wall on circle inner wall and the corresponding annular groove face of pipe fitting can be plastically deformed melting simultaneously, and terminate the latter timing that is powered
Between, after cooling down again, the plastic material after softening melting solidifies again, at this point, pipe fitting and pipeline have the one end in annular groove face herein
Just firmly it is linked together in a manner of being plastically deformed electric fusion weld.
Embodiment 2
Such as Fig. 4, Fig. 5；Embodiment 2 the difference from embodiment 1 is that, a kind of built-in slot type electric melting pipe fittings that accommodate include tube body and set
Eight connector lugs on tube body are set, the tube body includes that two ends and the first heating wire 3, the end-face wall of both ends end are inside
Recess forms the annular receiving groove 4 of a monoblock type；First heat molten type material layer 5 is fixed on the outer layer surface of holding tank and accommodates
On the inner layer surface of slot；And first heating wire be fixed in the first heat molten type material layer；First heating wire both ends are electric respectively
Property connection connector lug.The interior side-wall surface of the tube body is fixed with the second heat molten type material layer 6, in the second heat molten type material layer
It is fixed with the second heating wire 7, the external connector lug of the second heating wire.The connector lug is two pairs, wherein the first heating wire two
End connection one pair of them connector lug, the second heating wire connect another pair connector lug.The outer side wall surface of the tube body is fixed with
Three heat molten type material layers 8 are fixed with third heating wire 9, the external wiring of third heating wire in the third heat molten type material layer
Head.
Embodiment 3
As shown in Fig. 6, Fig. 7, Fig. 8, embodiment 2 the difference from embodiment 1 is that, the outer diameter at the tube body both ends is greater than middle part
Outer diameter.Angle between two end center lines is 180 °.Annular receiving groove is equipped on two ends.
Embodiment 4
As shown in Figure 9, Figure 10, embodiment 4 the difference from embodiment 1 is that, the outer diameter at the tube body both ends is less than the outer of middle part
Diameter.Angle between two end center lines is 180 °.Annular receiving groove is equipped on two ends.First heating wire position
In the medial surface and lateral surface of annular groove.
Embodiment 5
As shown in figure 12, embodiment 5 the difference from embodiment 1 is that, the outer diameter at the tube body both ends is less than the outer diameter at middle part.Two
Angle between a end center line is 120 °.Annular receiving groove is equipped on two ends.
Embodiment 6
As shown in figure 13, embodiment 6 the difference from embodiment 1 is that, the outer diameter at the tube body both ends is less than the outer diameter at middle part.Two
Angle between a end center line is 135 °.Annular receiving groove is equipped on two ends.
Embodiment 7
As shown in figure 14, embodiment 6 the difference from embodiment 1 is that, the outer diameter at the tube body both ends is less than the outer diameter at middle part.Two
Angle between a end center line is 90 °.Annular receiving groove is equipped on two ends.
Embodiment 8
As shown in figure 15, embodiment 6 the difference from embodiment 1 is that, there are three end, two of them end tools for tube body tool
There are identical center line, the common center line in the central axis of third end two ends.
It should be noted that simultaneously, there are three an only ends in the pipe fitting of end annular groove, another two end does not have
Annular groove, or, there are annular groove in three ends or there are three in the pipe fitting of end, and only there are two ends there are three in the pipe fitting of end
There is annular groove annular groove, there is no annular groove on another end (annular groove is the connection structure on pipe fitting one end).
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type etc. are all can be
Variation, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded of the invention
Except protection scope.
Claims (15)
1. a kind of built-in receiving slot type electric melting pipe fittings characterized by comprising
Tube body, including several ends, the end-face wall of at least one of which end are recessed inwardly to form several holding tanks；
At least two connector lugs are arranged on tube body；
First heat molten type material layer, at least part are fixed on the outer layer surface of holding tank and/or on the inner layer surface of holding tank；And
First heating wire is fixed in the first heat molten type material layer；Connector lug is electrically connected in first heating wire both ends.
2. as described in claim 1 built-in accommodate slot type electric melting pipe fittings, which is characterized in that the holding tank be it is multiple, point
Cloth is in the periphery for the nozzle for being located at arranged at inner side of pipe fitting.
3. built-in receiving slot type electric melting pipe fittings as described in claim 1, which is characterized in that the holding tank is 1, the receiving
Slot is annular.
4. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the inner sidewall of the tube body
Surface is at least locally fixed with the second heat molten type material layer, is fixed with the second heating wire in the second heat molten type material layer, described
The external connector lug of second heating wire.
5. built-in receiving slot type electric melting pipe fittings as claimed in claim 5, which is characterized in that the connector lug is two pairs, wherein
First heating wire both ends connect one pair of them connector lug, and the second heating wire connects another pair connector lug.
6. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the lateral wall of the tube body
Surface is at least locally fixed with third heat molten type material layer, is fixed with third heating wire in the third heat molten type material layer, described
The external connector lug of third heating wire.
7. built-in receiving slot type electric melting pipe fittings as described in claim 1, which is characterized in that tube body is arranged in the connector lug
On lateral wall.
8. built-in receiving slot type electric melting pipe fittings as described in claim 1, which is characterized in that tube body is arranged in the connector lug
The outer ledge of end-face wall.
9. built-in as claimed in claim 7 or 8 accommodate slot type electric melting pipe fittings, which is characterized in that the connector lug is installed in
Far from nozzle one end.
10. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the tube body has two
A end, the angle between the end center line is 90 °, 120 °, 135 °, 150 ° or 180 °.
11. built-in receiving slot type electric melting pipe fittings as claimed in claim 10, which is characterized in that only one of which is set on end
There is annular receiving groove.
12. built-in receiving slot type electric melting pipe fittings as claimed in claim 10, which is characterized in that be equipped with annular on two ends
Holding tank.
13. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the tube body has three
A end, two of them end center line having the same, during the central axis of third end two ends are common
Heart line.
14. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the tube body both ends
Outer diameter is greater than the outer diameter at middle part.
15. the built-in receiving slot type electric melting pipe fittings as described in claims 1 or 2 or 3, which is characterized in that the tube body both ends
Outer diameter is less than the outer diameter at middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339629.1A CN110131512A (en) | 2019-04-25 | 2019-04-25 | Built-in receiving slot type electric melting pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339629.1A CN110131512A (en) | 2019-04-25 | 2019-04-25 | Built-in receiving slot type electric melting pipe fittings |
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| Publication Number | Publication Date |
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| CN110131512A true CN110131512A (en) | 2019-08-16 |
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| CN201910339629.1A Pending CN110131512A (en) | 2019-04-25 | 2019-04-25 | Built-in receiving slot type electric melting pipe fittings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873712A (en) * | 2021-01-14 | 2021-06-01 | 重庆西洲管业有限公司 | Preparation method of antibacterial capacitor tube |
| CN113236893A (en) * | 2021-05-31 | 2021-08-10 | 河南中恒信燃气设备股份有限公司 | Secondary-sealing electric melting pipe fitting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869533A (en) * | 1986-08-29 | 1989-09-26 | Georg Fischer Ag | Fitting of weldable thermoplastic material |
| JPH0842774A (en) * | 1994-08-04 | 1996-02-16 | Sekisui Chem Co Ltd | Electrically fusion-welded joint |
| WO2006090157A2 (en) * | 2005-02-25 | 2006-08-31 | Glynwed Pipe Systems Limited | Method for joining multi-layered pipe |
| CN206246901U (en) * | 2016-11-19 | 2017-06-13 | 山东东宏管业股份有限公司 | All-electric melting connector is used in a kind of steel wire mesh frame polyethylene compound pipe road connection |
| CN206268693U (en) * | 2016-11-30 | 2017-06-20 | 浙江双林机械股份有限公司 | A kind of two-sided electric melting pipe fittings of multiple tube |
| CN207145832U (en) * | 2017-09-11 | 2018-03-27 | 广安职业技术学院 | A kind of double-deck electric smelting tee pipe fitting of gas PE pipelines |
| CN108458196A (en) * | 2018-03-20 | 2018-08-28 | 山东东宏管业股份有限公司 | The overall plastic jointing device of steel wire mesh frame plastic composite tube and construction method |
| CN108612948A (en) * | 2018-07-16 | 2018-10-02 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
-
2019
- 2019-04-25 CN CN201910339629.1A patent/CN110131512A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869533A (en) * | 1986-08-29 | 1989-09-26 | Georg Fischer Ag | Fitting of weldable thermoplastic material |
| JPH0842774A (en) * | 1994-08-04 | 1996-02-16 | Sekisui Chem Co Ltd | Electrically fusion-welded joint |
| WO2006090157A2 (en) * | 2005-02-25 | 2006-08-31 | Glynwed Pipe Systems Limited | Method for joining multi-layered pipe |
| CN206246901U (en) * | 2016-11-19 | 2017-06-13 | 山东东宏管业股份有限公司 | All-electric melting connector is used in a kind of steel wire mesh frame polyethylene compound pipe road connection |
| CN206268693U (en) * | 2016-11-30 | 2017-06-20 | 浙江双林机械股份有限公司 | A kind of two-sided electric melting pipe fittings of multiple tube |
| CN207145832U (en) * | 2017-09-11 | 2018-03-27 | 广安职业技术学院 | A kind of double-deck electric smelting tee pipe fitting of gas PE pipelines |
| CN108458196A (en) * | 2018-03-20 | 2018-08-28 | 山东东宏管业股份有限公司 | The overall plastic jointing device of steel wire mesh frame plastic composite tube and construction method |
| CN108612948A (en) * | 2018-07-16 | 2018-10-02 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
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| CN112873712A (en) * | 2021-01-14 | 2021-06-01 | 重庆西洲管业有限公司 | Preparation method of antibacterial capacitor tube |
| CN113236893A (en) * | 2021-05-31 | 2021-08-10 | 河南中恒信燃气设备股份有限公司 | Secondary-sealing electric melting pipe fitting |
| CN113236893B (en) * | 2021-05-31 | 2022-08-30 | 河南中恒信燃气设备股份有限公司 | Secondary-sealing electric melting pipe fitting |
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