CN106439279A - Steel-plastic composite pipe connector - Google Patents
Steel-plastic composite pipe connector Download PDFInfo
- Publication number
- CN106439279A CN106439279A CN201611090855.3A CN201611090855A CN106439279A CN 106439279 A CN106439279 A CN 106439279A CN 201611090855 A CN201611090855 A CN 201611090855A CN 106439279 A CN106439279 A CN 106439279A
- Authority
- CN
- China
- Prior art keywords
- wall
- socket joint
- joint groove
- connector body
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 82
- 239000004033 plastic Substances 0.000 title claims abstract description 82
- 239000002131 composite material Substances 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 55
- 239000010959 steel Substances 0.000 claims description 55
- 238000001816 cooling Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 5
- 235000019628 coolness Nutrition 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
- F16L13/0218—Welded joints having an inner or outer ring
Abstract
The embodiment of the invention discloses a steel-plastic composite pipe connector which comprises a connector body and socket-spigot grooves arranged at two ends of the connector body. The diameter of the bottom of the inner wall of each socket-spigot groove is smaller than or equal to the inner diameter of a tubular product matched with the socket-spigot groove, the diameters of opening portions of the inner walls of the socket-spigot grooves are smaller than the inner diameter of the tubular products, the diameters of opening portions of the inner walls of the socket-spigot grooves are smaller than the bottom diameters of the inner walls of the socket-spigot grooves. By applying the steel-plastic composite pipe connector, due to the fact that the diameters of the opening portions of the inner walls of the socket-spigot grooves are smaller than the bottom diameters of the insides of the socket-spigot grooves and the diameter of the inner walls of the socket-spigot grooves are smaller than or equal to the inner diameters of the tubular products matched with the socket-spigot grooves, the frictional resistance to which the tubular products are subject when being inserted to the socket-spigot grooves becomes small, and further the tubular products can be very easily inserted into the socket-spigot grooves of the steel-plastic composite pipe connector.
Description
Technical field
The present invention relates to steel-plastics composite pipe pipe interconnection technique field, more particularly to a kind of steel plastic compount pipe connections.
Background technology
Steel-plastics composite pipe is the novel tube that a kind of interior outside in metal tube is coated with plastic layer, and moulding outside tubing
The thickness of the bed of material is more than the thickness of plastic layer inside it；Because steel-plastics composite pipe had both possessed the high intensity of metal pipe material, have again
The standby decay resistance of plastic pipe, so the gentle blood circulation of the water that is widely used in urban residential building.In reality
In the application of border, mainly adopt electromagnetism sweat soldering steel-plastics composite pipe tubing (hereinafter referred to as tubing) and steel plastic compount pipe connections
(hereinafter referred to as pipe connections).
Referring to Fig. 1, existing pipe connections include connector body 1 and the socket joint being arranged on connector body 1 two ends
Groove 2.This socket joint groove 2 includes：Socket joint groove inner wall 3 and socket joint groove outer wall 4, and the plastic layer of the corresponding side of inwall 3
Thickness be less than the corresponding side of outer wall 4 plastic layer thickness, that is, inside socket joint groove, the thickness of plastic layer is moulded less than outside
The thickness of the bed of material.Before welding, by socket joint groove 2, tubing is inserted in connector body 1.Using electromagnetism sweat soldering pipe
When material and pipe connections, the metal level of tubing generates heat under the high frequency magnetic field effect that weld jig produces, make positioned at its inside and outside two
The plastics melting layer of side, thus reach the purpose of tubing and the mutual welding of pipe connections.
But because the mouth diameters of the socket joint groove inner wall 3 of pipe connections are consistent with base diameter, and the diameter of inwall 3
And identical with the internal diameter of the tubing that it is adapted to, the mouth diameters of outer wall 4 are consistent with base diameter, and the diameter of outer wall 4 and and its
Adaptation tubing external diameter identical so that tubing insertion tubing socket joint groove 2 when relatively difficult.
Content of the invention
The purpose of the embodiment of the present invention is to provide a kind of steel plastic compount pipe connections so that with steel plastic compount pipe connections
The tubing of adaptation easily inserts the socket joint groove of steel plastic compount pipe connections.Concrete technical scheme is as follows：
A kind of steel plastic compount pipe connections, recessed with the socket joint being arranged on described connector body two ends including connector body
Groove, the base diameter of described socket joint groove inner wall is less than or equal to the pipe internal diameter being adapted to it, the mouth of described socket joint groove inner wall
Portion's diameter is less than described pipe internal diameter, and, the mouth diameters of described socket joint groove inner wall are less than the bottom of described socket joint groove inner wall
Portion's diameter.
Alternatively, the base diameter of described socket joint groove outer wall is consistent with the mouth diameters of described socket joint groove outer wall, and
The outer diameter of described socket joint groove is equal to the external diameter of described tubing.
Alternatively, the base diameter of described socket joint groove outer wall is more than described tube outer diameter, described socket joint groove outer wall
Mouth diameters are more than described tube outer diameter, and, the mouth diameters of described socket joint groove outer wall are more than described socket joint groove outer wall
Base diameter；
Described socket joint groove inner wall is more than outside described socket joint groove outer wall and described tubing with the gap of described pipe material inner wall
The gap of wall.
Alternatively, the base diameter of described socket joint groove outer wall is more than described tube outer diameter 0.1-0.2mm, and described socket joint is recessed
The mouth diameters of groove outer wall are more than described tube outer diameter 0.2-0.6mm；
The base diameter of described socket joint groove inner wall is less than described pipe internal diameter 0.3-0.7mm, described socket joint groove inner wall
Mouth diameters be less than described pipe internal diameter 0.4-0.8mm.
Alternatively, the distance of the oral area of described socket joint groove outer wall to bottom arrives more than the oral area of described socket joint groove inner wall
The distance of bottom.
Alternatively, the distance of the oral area of described socket joint groove outer wall to bottom arrives more than the oral area of described socket joint groove inner wall
Bottom apart from 7-20mm.
Alternatively, described connector body outer wall is provided with observation port, for observing described socket joint groove
Alternatively, the central axis of the centrage of described observation port and described connector body, and, described observation port
Centrage to described socket joint bottom portion of groove distance be described observation port radius value.
Alternatively, described connector body outer wall is provided with the trapezoidal positioning of a circle along described connector body circumferential direction
Groove, for positioning Electromagnetic Heating fixture.
Alternatively, the two ends of described connector inner body wall are provided with rustless steel support set.
Alternatively, described connector body outer wall is provided with the rib of the intensity for increasing steel plastic compount pipe connections
Plate, described floor is along the axial direction setting of described connector body.
Alternatively, described connector body outer wall is provided with two circle marks along described connector body circumferential direction convex
Rise, between a raised bottom being located at described connector body one end socket joint groove of circle mark and described trapezoidal locating slot, another
Between the raised bottom being located at described connector body other end socket joint groove of circle mark and described trapezoidal locating slot.
Alternatively, described connector body outer wall is provided with two circle coolings along described connector body circumferential direction convex
Rise, the oral area of the raised oral area of socket joint groove inner wall being located at described connector body one end of a circle cooling and socket joint groove outer wall
Between, another circle cooling projection is located at the oral area of socket joint groove inner wall and the socket joint groove outer wall of the described connector body other end
Oral area between.Apply above-mentioned steel plastic compount pipe connections, the mouth diameters due to socket joint groove inner wall are less than socket joint groove
Internal base diameter, and, socket joint groove inner wall diameter is less than the internal diameter of the tubing being adapted to it, enables to tubing insertion and holds
The frictional resistance being subject to during slotting groove diminishes, and then makes tubing be easy to inject the socket joint groove of steel plastic compount pipe connections.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing steel plastic compount pipe connections；
The cross-sectional view of the steel plastic compount pipe connections that Fig. 2 is provided by the embodiment of the present invention；
Fig. 3 inserts the structural representation after the steel plastic compount pipe connections that the embodiment of the present invention is provided by tubing；
Fig. 4 is A portion partial enlarged drawing in Fig. 3；
Fig. 5 is B portion partial enlarged drawing in Fig. 3；
The perspective view of the steel plastic compount pipe connections that Fig. 6 is provided by the embodiment of the present invention.
Wherein, wherein, in Fig. 1, the corresponding relation between each component Name and respective drawings labelling is：
1 connector body, 2 socket joint grooves, 3 socket joint groove inner wall, 4 socket joint groove outer wall；
In Fig. 2 to Fig. 6, the corresponding relation between each component Name and respective drawings labelling is：
1 connector body, 2 socket joint grooves, 3 socket joint groove inner wall, 4 socket joint groove outer wall, 5 observation ports, 6 locating slots, 7 are not
Rust bracing members set, 8 connector inner body wall, 9 connector body outer wall, 10 induction loop, 11 tubing, 12 floors, 13 marks
Projection, 14 coolings are raised.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 2 to Fig. 6, the cross-section structure of the steel plastic compount pipe connections that Fig. 2 is provided by the embodiment of the present invention shows
It is intended to；Fig. 3 inserts the structural representation after the steel plastic compount pipe connections that the embodiment of the present invention is provided by tubing；Fig. 4 is Fig. 3
Middle A portion partial enlarged drawing；Fig. 5 is B portion partial enlarged drawing in Fig. 3；The steel-plastics composite pipe that Fig. 6 is provided by the embodiment of the present invention connects
The perspective view of fitting.
In conjunction with Fig. 2 to Fig. 6, a kind of steel plastic compount pipe connections that the present embodiment is provided, including connector body 1 with set
Put the socket joint groove 2 at connector body 1 two ends, wherein, the base diameter of socket joint groove inner wall 3 is less than or equal to and steel plastic compount
Tubing 11 internal diameter of pipe connections adaptation, the mouth diameters of socket joint groove inner wall 3 are less than tubing 11 internal diameter, and, in socket joint groove
The mouth diameters of wall 3 are less than the base diameter of socket joint groove inner wall 3.That is, the diameter of socket joint groove inner wall 3 is less than or equal to tubing 11
Internal diameter, and, the mouth diameters of socket joint groove inner wall 3 are less than the base diameter of socket joint groove inner wall 3.
It is appreciated that two socket joint grooves 2 are had on connector body 1.The base diameter of socket joint groove inner wall 3 is that socket joint is recessed
The diameter of the inwall at the bottom position of groove 2, the mouth diameters of socket joint groove inner wall 3 are at the mouth position of socket joint groove 2
The diameter of inwall.Accordingly, the base diameter of socket joint groove outer wall 4 is the straight of the outer wall at the bottom position of socket joint groove 2
Footpath, the mouth diameters of socket joint groove outer wall 4 are the diameter of the inwall at the mouth position of socket joint groove 2.The bottom of socket joint groove
Inside connector body 1, the oral area of socket joint groove 2 is located at the port of connector body 1.
Apply this steel plastic compount pipe connections, the mouth diameters due to socket joint groove inner wall 3 are less than socket joint groove inner wall 3
Base diameter, and, socket joint groove inner wall 3 diameter be less than tubing 11 internal diameter, enable to tubing 11 insertion socket joint groove 2 when
The frictional resistance being subject to diminishes, and then makes tubing 11 be easy to inject the socket joint groove 2 of steel plastic compount pipe connections.
In prior art, because the thickness of plastic layer inside socket joint groove is less than the thickness of outside plastic layer, and tubing
The thickness of inner side plastic layer is less than the thickness of the plastic layer outside tubing, therefore, tubing metal level is inside, outer conductive is identical
In the case of heat, inside socket joint groove, plastic layer is prior to plastics melting layer outside socket joint groove.For example, inside socket joint groove
Outside socket joint groove during plastic layer welding mutual with tubing, plastic layer is not also completely melt, and work as outside socket joint groove plastic layer with
Inside plastic layer and socket joint groove inside tubing during tubing mutual welding but there is shape due to absorbing excessive heat in plastic layer
Become, or even degraded, the serviceability of impact pipe junction and safe life.Exist steel plastic compount pipe connections can not simultaneously with
The problem of tubing welding.
For solve the problems, such as steel plastic compount pipe connections can not simultaneously with tubing welding, the one kind as the present embodiment is optional
Mode, the base diameter of socket joint groove outer wall 4 can be consistent with the mouth diameters of socket joint groove outer wall 4, and socket joint groove outer wall 4
Diameter is equal to the external diameter of tubing 11.
That is, socket joint groove outer wall 4 diameter is equal to the external diameter of tubing 11, the diameter of socket joint groove inner wall 3 is less than etc.
In tubing 11 internal diameter, and, the mouth diameters of socket joint groove inner wall 3 are less than the base diameter of socket joint groove inner wall 3.Due to socket joint
The mouth diameters of groove inner wall 3 are less than the base diameter of socket joint groove inner wall 3, and that is, socket joint groove outer wall 4 is not with tubing 11 outer wall
There is gap, and socket joint groove inner wall 3 and tubing 11 inwall have certain gap.
Because socket joint groove inner wall 3 and tubing 11 inwall have certain gap, by increasing capacitance it is possible to increase moulding inside tubing 11
The heat absorption time of the bed of material and socket joint groove inner wall 3, and then solve due to tubing 11 inner side plastic layer and outside plastics thickness
Spend the problem that tubing 11 that is inconsistent and leading to can not simultaneously with steel plastic compount pipe connections welding.And, due to socket joint groove
The diameter of inwall 3 is less than the internal diameter of tubing 11, and the mouth diameters of socket joint groove inner wall 3 are less than base diameter, by tubing 11
During insertion socket joint groove 2, the air in socket joint groove 2 can be discharged so that tubing 11 insertion socket joint groove 2 is easier.
It is appreciated that the internal diameter of tubing 11 is the diameter of tubing 11 inwall, the external diameter of tubing 11 is tubing 11 outer wall
Diameter.
For solve the problems, such as steel plastic compount pipe connections can not simultaneously with tubing welding, the another kind as the present embodiment can
Select mode, the base diameter of socket joint groove outer wall 4 can be more than tubing 11 external diameter, and the mouth diameters of socket joint groove outer wall 4 are more than
Tubing 11 external diameter, and, the mouth diameters of socket joint groove outer wall 4 are more than the base diameter of socket joint groove outer wall 4；Socket joint groove inner wall
3 are more than the gap of socket joint groove outer wall 4 and tubing 11 outer wall with the gap of tubing 11 inwall.
That is, socket joint groove outer wall 4 with diameter greater than tubing 11 external diameter, the mouth diameters of socket joint groove outer wall 4 are big
Base diameter in socket joint groove outer wall 4.And, socket joint groove inner wall 3 is more than outside socket joint groove with the gap of tubing 11 inwall
Wall 4 and the gap of tubing 11 outer wall.
Specifically, the base diameter of socket joint groove outer wall 4 can be more than tubing 11 external diameter 0.1-0.2mm, outside socket joint groove
The mouth diameters of wall 4 can be more than tubing 11 external diameter 0.2-0.6mm, and the mouth diameters of socket joint groove outer wall 4 are more than socket joint groove
The base diameter of outer wall 4；The base diameter of socket joint groove inner wall 3 can be less than tubing 11 internal diameter 0.3-0.7mm, in socket joint groove
The mouth diameters of wall 3 can be less than tubing 11 internal diameter 0.4-0.8mm, and the mouth diameters of socket joint groove inner wall 3 are less than socket joint groove
The base diameter of inwall 3.And, socket joint groove inner wall 3 is more than socket joint groove outer wall 4 and tubing 11 with the gap of tubing 11 inwall
The gap of outer wall.
Gap due to tubing 11 internal diameter and socket joint groove inner wall 3 is more than between tubing 11 external diameter and socket joint groove outer wall 4
Gap, by increasing capacitance it is possible to increase the plastic layer of tubing 11 inner side and the heat absorption time of socket joint groove inner wall 3, so solve due to socket joint recessed
Groove 2 inner side plastic layer and outside plastic layer are inconsistent and tubing 11 that lead to can not be melted with steel plastic compount pipe connections simultaneously
The problem connecing.And, the diameter due to socket joint groove inner wall 3 is less than the internal diameter of tubing 11, and the oral area of socket joint groove inner wall 3 is straight
Footpath is less than base diameter, and socket joint groove outer wall 4 with diameter greater than 11 external diameters, and the mouth diameters of socket joint groove outer wall 4 are big
In the base diameter of socket joint groove outer wall 4, therefore, when tubing 11 is inserted socket joint groove 2, can discharge in socket joint groove 2
Air, enable in the socket joint groove 2 that tubing 11 easier inserts steel plastic compount pipe connections.
Further, the distance of the oral area of socket joint groove outer wall 4 to bottom is more than the oral area of socket joint groove inner wall 3 to bottom
Distance.It is appreciated that the distance of the oral area of socket joint groove outer wall 4 to bottom is the length of socket joint groove outer wall 4, socket joint is recessed
The oral area of groove inwall 3 is to the length of the distance as socket joint groove inner wall 3 of bottom.
Specifically, the distance of the oral area of socket joint groove outer wall 4 to bottom can more than the oral area of socket joint groove inner wall 3 on earth
Portion apart from 7-20mm.The distance of the oral area of socket joint groove inner wall 3 to bottom can be 20-60mm.The thickness of socket joint groove inner wall 3
Degree can be 2.6-10mm, and the thickness of socket joint groove outer wall 4 is more than the thickness 0.8-1.5mm of socket joint groove inner wall 3.Such hold
Slotting groove, can make the oral area of socket joint groove outer wall 4 form cooling vent, it is to avoid socket joint groove outer wall 4 oral area is heated swollen in welding
Swollen change is big, can preferably tubing 11 be positioned.
Further, connector body outer wall 9 is provided with observation port 5, for observing socket joint groove 2.
It is appreciated that the quantity of observation port 5 is two, connector body 1 one end socket joint groove 2 observed by an observation port 5,
Connector body 1 other end socket joint groove 2 observed by another observation port 5.Alternatively, the centrage of observation port 5 can be connected
The central axis of part body 1, and, the distance of the centrage of observation port 5 to socket joint groove 2 bottom is equal to the radius of observation port 5
Value.By observation port 5 is arranged on the bottom position of socket joint groove 2, can observing tubing 11, whether to be inserted into socket joint recessed
The bottom of groove 2.And, when tubing 11 is inserted socket joint groove 2, air in socket joint groove 2 can be discharged so that tubing 11
Insertion socket joint groove 2 is easier.In welding, steel plastic compount pipe connections are overflow from observation port 5 with the melting material after tubing 11 welding
Go out, the quality of welding can be judged by the melting material overflowed.
Further, connector body outer wall 9 is provided with locating slot 6.For positioning Electromagnetic Heating fixture.
Specifically, locating slot 6 can be circumferentially disposed along connector body 1 on connector body outer wall 9.Locating slot 6
Can be dovetail groove, the oral area width of dovetail groove is more than the bottom width of dovetail groove.Dovetail groove is located at two observation port 5 centrages
Centre position, and dovetail groove is non-intersect with observation port 5.Electromagnetic Heating fixture is positioned using such dovetail groove, enables to
Socket joint groove inner wall 3 is completely in the heated perimeter of induction loop 10.
Further, the two ends of connector inner body wall 8 can be provided with rustless steel support set 7.Rustless steel support set 7 embeds
In connector inner body wall 8.By rustless steel support set 7, the intensity of socket joint groove inner wall 3 can be increased, stablize socket joint recessed
Groove inwall 3 size at different temperatures is so that steel plastic compount pipe connections connector will not softening transform.Simultaneously as not
Rust bracing members cover 7 no magnetic induction, do not produce heat, and then can increase the heat absorption time of socket joint groove inner wall 3 so that socket joint is recessed
Groove inwall 3 fusing time is consistent with the fusing time of socket joint groove outer wall 4, so that steel plastic compount pipe connections and tubing 11
Can welding simultaneously it is ensured that welding quality.
Specifically, rustless steel support set 7 can be that c-type annulus rustless steel support set c-type annulus rustless steel support set embeds
Two ends in connector inner body wall 8.
Preferably, the floor of the intensity for increasing steel plastic compount pipe connections is provided with connector body outer wall 9
12, floor 12 is along the axial direction setting of connector body 1.Alternatively, the quantity of floor 12 can be four.Four floors 12
Parallel be uniformly arranged, be oppositely arranged two-by-two, be spaced 90 ° between each two floor 12, and each floor 12 is along connector body 1
Axial direction setting.Four floors 12 being uniformly arranged are also used as tubing 11 and insert angle positioning during socket joint groove 2
Line.
Alternatively, connector body outer wall 9 is provided with two circle marks along described connector body 1 circumferential direction raised
13, a circle mark raised 13 is located between bottom and the described trapezoidal locating slot 6 of described connector body 1 one end socket joint groove 2,
Another circle mark raised 13 be located at described connector body 1 other end socket joint groove 2 bottoms and described trapezoidal locating slot 6 it
Between.When tubing 11 is inserted socket joint groove 2, mark raised 13 can be used as the marking line of tubing 11 length in reserve.In reality
In application, tubing 11 insertion socket joint groove can be determined according to the distance between mark raised 13 and connector body 1 port
Length in reserve when 2.
Further, connector body outer wall 9 is provided with two circle coolings raised 14 along connector body 1 circumferential direction,
One circle cooling raised 14 be located at the oral areas of socket joint groove inner wall 3 of connector body 1 one end and socket joint groove outer wall 4 oral area it
Between, another circle cooling raised 14 is located at the oral area of socket joint groove inner wall 3 and the socket joint groove outer wall 4 of connector body 1 other end
Oral area between.Specifically, cool down raised 14 to may be located at the mouth position of socket joint groove outer wall 4, and apart from connector originally
The port certain predetermined distance of body 1.In welding, because cooling raised 14 increased the thickness at the oral area of socket joint groove outer wall 4
Degree, and then increased the time absorbed heat at the oral area of socket joint groove outer wall 4, the oral area of socket joint groove outer wall 4 can be made to form cooling
Mouthful, it is to avoid socket joint groove outer wall 4 oral area expanded by heating becomes big, can preferably tubing 11 be positioned.
Refer to Fig. 3, insert the structural representation after the steel plastic compount pipe connections that the embodiment of the present invention is provided by tubing
Figure.
From the figure 3, it may be seen that because the diameter of socket joint groove inner wall 3 is less than the internal diameter of tubing 11, and the mouth of socket joint groove inner wall 3
Portion's diameter is less than base diameter, enables in the socket joint groove 2 that tubing 11 easier inserts steel plastic compount pipe connections.Pipe
After material 11 insertion socket joint groove 2, the gap (referring to Fig. 4) of tubing 11 internal diameter and socket joint groove inner wall 3 be more than tubing 11 external diameter with
The gap (referring to Fig. 5) of socket joint groove outer wall 4, by increasing capacitance it is possible to increase the plastic layer of tubing 11 inner side and the suction of socket joint groove inner wall 3
The hot time, so solve due to tubing 11 inner side plastic layer and outside plastic layer inconsistent and tubing 11 that lead to can not
Problem with steel plastic compount pipe connections welding simultaneously.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Each embodiment in this specification is all described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Real especially for system
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to embodiment of the method in place of correlation
Part illustrate.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All
Any modification, equivalent substitution and improvement made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
Interior.
Claims (13)
1. a kind of steel plastic compount pipe connections, including connector body (1) be arranged on holding of described connector body (1) two ends
Slotting groove (2) it is characterised in that the base diameter of described socket joint groove inner wall (3) is less than or equal to the pipe internal diameter that is adapted to it,
The mouth diameters of described socket joint groove inner wall (3) are less than described pipe internal diameter, and, the oral area of described socket joint groove inner wall (3) is straight
Footpath is less than the base diameter of described socket joint groove inner wall (3).
2. steel plastic compount pipe connections according to claim 1 are it is characterised in that the bottom of described socket joint groove outer wall (4)
Portion's diameter is consistent with the mouth diameters of described socket joint groove outer wall (4), and outer wall (4) diameter of described socket joint groove is equal to described
The external diameter of tubing.
3. steel plastic compount pipe connections according to claim 1 are it is characterised in that the bottom of described socket joint groove outer wall (4)
Portion is more than described tube outer diameter with diameter greater than described tube outer diameter, the mouth diameters of described socket joint groove outer wall (4), and, described
The mouth diameters of socket joint groove outer wall (4) are more than the base diameter of described socket joint groove outer wall (4)；
Described socket joint groove inner wall (3) is more than described socket joint groove outer wall (4) and described tubing with the gap of described pipe material inner wall
The gap of outer wall.
4. steel plastic compount pipe connections according to claim 3 are it is characterised in that the bottom of described socket joint groove outer wall (4)
Portion is more than described tube outer diameter with diameter greater than described tube outer diameter 0.1-0.2mm, the mouth diameters of described socket joint groove outer wall (4)
0.2-0.6mm；
The base diameter of described socket joint groove inner wall (3) is less than described pipe internal diameter 0.3-0.7mm, described socket joint groove inner wall
(3) mouth diameters are less than described pipe internal diameter 0.4-0.8mm.
5. the steel plastic compount pipe connections according to any one of Claims 1-4 are it is characterised in that outside described socket joint groove
The oral area of wall (4) to bottom distance be more than described socket joint groove inner wall (3) oral area to bottom distance.
6. steel plastic compount pipe connections according to claim 5 are it is characterised in that the mouth of described socket joint groove outer wall (4)
Portion to bottom distance be more than described socket joint groove inner wall (3) oral area to bottom apart from 7-20mm.
7. steel plastic compount pipe connections according to claim 5 are it is characterised in that on described connector body outer wall (9)
It is provided with observation port (5), for observing described socket joint groove.
8. steel plastic compount pipe connections according to claim 7 it is characterised in that the centrage of described observation port (5) with
The central axis of described connector body (1), and, the centrage of described observation port (5) is to described socket joint groove (2) bottom
Distance is the radius value of described observation port (5).
9. steel plastic compount pipe connections according to claim 8 are it is characterised in that on described connector body outer wall (9)
Described connector body (1) circumferential direction is provided with the trapezoidal locating slot of a circle (6), for positioning Electromagnetic Heating fixture.
10. steel plastic compount pipe connections according to claim 9 are it is characterised in that described connector inner body wall (8)
Two ends are provided with rustless steel support set (7).
11. steel plastic compount pipe connections according to claim 10 are it is characterised in that described connector body outer wall (9)
On be provided with the floor (12) of intensity for increasing steel plastic compount pipe connections, described floor (12) is along described connector body
(1) axial direction setting.
12. steel plastic compount pipe connections according to claim 11 are it is characterised in that described connector body outer wall (9)
On be provided with along described connector body (1) circumferential direction that two circles marks are raised (13), a circle mark raised (13) is located at described
Between the bottom of connector body (1) one end socket joint groove (2) and described trapezoidal locating slot (6), another circle mark is raised (13)
Positioned between the bottom of described connector body (1) other end socket joint groove (2) and described trapezoidal locating slot (6).
13. steel plastic compount pipe connections according to claim 12 are it is characterised in that described connector body outer wall (9)
On be provided with along described connector body (1) circumferential direction that two circles coolings are raised (14), a circle cooling raised (14) is located at described
Between the oral area of socket joint groove inner wall (3) of connector body (1) one end and the oral area of socket joint groove outer wall (4), another circle is cold
Raised (14) oral area of socket joint groove inner wall (3) being located at described connector body (1) other end and socket joint groove outer wall (4)
Oral area between.
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| CN201611090855.3A CN106439279B (en) | 2016-11-30 | 2016-11-30 | Steel-plastic composite pipe connector |
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| CN106439279B CN106439279B (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189652A (en) * | 2021-05-06 | 2021-07-30 | 天津军星管业集团有限公司 | Welding monitoring equipment and welding monitoring method for steel-plastic composite pressure pipeline |
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|---|---|
| CN106439279B (en) | 2020-11-06 |
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Effective date of registration: 20200520 Address after: 432721 Guangshui Development Zone, Hubei Province, along the River Road, No. 3, No. Applicant after: HUBEI DAYANG PLASTIC Co.,Ltd. Address before: 432721 Guangshui Development Zone, Hubei Province, along the River Road, No. 3, No. Applicant before: Luo Xianxiang Applicant before: Yang Linfeng |
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Denomination of invention: A steel plastic composite pipe connector Effective date of registration: 20231211 Granted publication date: 20201106 Pledgee: China Construction Bank Guangshui Branch Pledgor: HUBEI DAYANG PLASTIC Co.,Ltd. Registration number: Y2023980070660 |
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