CN107965628A - A kind of pipeline self-sealing socket interface - Google Patents

A kind of pipeline self-sealing socket interface Download PDF

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Publication number
CN107965628A
CN107965628A CN201711479993.5A CN201711479993A CN107965628A CN 107965628 A CN107965628 A CN 107965628A CN 201711479993 A CN201711479993 A CN 201711479993A CN 107965628 A CN107965628 A CN 107965628A
Authority
CN
China
Prior art keywords
face
bellmouth
annular projection
socket
tube body
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.)
Pending
Application number
CN201711479993.5A
Other languages
Chinese (zh)
Inventor
陈伟强
郭坤
李龙
李齐军
李辉
张伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Guan Bo Pipeline Technology & Technology Co Ltd
Original Assignee
Guangdong Guan Bo Pipeline Technology & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Guan Bo Pipeline Technology & Technology Co Ltd filed Critical Guangdong Guan Bo Pipeline Technology & Technology Co Ltd
Priority to CN201711479993.5A priority Critical patent/CN107965628A/en
Publication of CN107965628A publication Critical patent/CN107965628A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive 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
    • F16L25/10Sleeveless joints between two pipes, one being introduced into the other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement

Abstract

The invention discloses a kind of pipeline self-sealing socket interface structure, including:Bellmouth, the bellmouth include bellmouth tube body, the bellmouth outer wall positioned at the bellmouth outer surface of tube body, the bellmouth inner wall positioned at the bellmouth inner surface of tube body, and the first kind annular projection formed based on the bellmouth inwall processing;And socket, the socket includes socket tube body, the receptacle wall positioned at the socket outer surface of tube body, the socket inner wall positioned at the socket inner surface of tube body, and the second class annular projection being process based on the receptacle wall, the geomery of wherein described first kind annular projection is complementary with the geomery of the second class annular projection, when the socket is assembled to the bellmouth, first kind annular projection coincide with the second class annular projection.

Description

A kind of pipeline self-sealing socket interface
Technical field
The present invention relates to pipe joint technical field, more particularly it relates to which a kind of large diameter pipeline self sealss are held Interface.
Background technology
With the further development of urbanization and the progressively improvement of rural residence condition, public infrastructure and family Water supply and drainage demand is further lifted, this just be unable to do without the construction workings such as Pipe installing, maintenance.
The armored concrete interface tube of bell socket not tension, sealing performance is not high, tubing from great, corrosion resistance, Smoothness is below HDPE (high density polyethylene (HDPE)) solid wall pipe, therefore HDPE solid wall pipes have a vast market application prospect. In the installation of pipeline and maintenance construction work, such as in drainage pipeline non-excavating construction, there is side in many cases without foot Enough construction spaces, therefore, can only form inclined borehole in side, then well be done in opposite side, so that in Jing Neilianjieguandao, top pull Tube coupling, completes to be laid with.
The tube coupling length of existing heavy caliber (DN >=300mm) HDPE solid wall pipes is being installed to there is 6 meters, 9 meters, 12 meters etc. Or during maintenance construction, the existing docking mode of pipe joint only has heat-melting butt-joint, clamp connection, electric heating melting, shrink belt connection Deng.These pipe joint modes have the disadvantage that in municipal pipeline excavation construction, non-excavating construction:1) heat-melting butt-joint needs Certain place space, can only could construct after the completion of docking, not be suitable for excavation construction, be not suitable for top pull in well and apply Work;2) heat-melting butt-joint can form in-flanges, it is necessary to cut off in-flanges;3) water occasion is dangerous having for electric melting connection, inconvenience In construction;4) electric melting connection easily collapses pipe in welding, produces leak source;5) shrink belt bonding strength is lower slightly, large-diameter pipe Road heating is uneven, it has not been convenient to;6) clamp connection is not suitable for non-excavating construction;7) pipeline connection integrity is not strong, leakproofness Can be poor;8) pipe joint easily disconnects, and the ability for bearing pulling force and vibrations is limited.
In addition, in the market also has two kinds of HDPE pipe joint modes, i.e. rubber ring bell socket.The HDPE of bell socket is real Wall short tube section is to cut out bellmouth at one end, and one end cuts out socket, passes through seal with elastometic washer sealing, the HDPE of rubber ring bell socket The seal of solid wall short tube section is not strong, does not possess anti-pulling ability, although can be used for non-excavation rehabilitation, easily disconnects, no It can be used to draw top construction.
In municipal drainage pipeline non-excavating construction, non-excavation rehabilitation, it is also desirable to a kind of to be connected in small space It is easy to connect, airtight performance is good, stretch-proof easy interface HDPE solid wall pipe tube couplings, it is convenient in inspection shaft or active well under Manage, inside the original pipeline of jacking, realize and replace, but the pipeline of above existing interface mode is inapplicable.
The content of the invention
The present invention proposes that a kind of new large diameter pipeline self-sealing socket interface is at least part of to overcome problem above, The connection convenience of raising pipe joint, reliability, economy.
According to one embodiment of present invention, there is provided a kind of bellmouth structure of pipeline self-sealing socket interface, including:Bellmouth Tube body;
Positioned at the bellmouth outer wall of the bellmouth outer surface of tube body;
Positioned at the bellmouth inner wall of the bellmouth inner surface of tube body, and
The class annular projection formed based on the bellmouth inwall processing.
In one embodiment of the invention, the class annular projection has:
The first face being connected with the bellmouth tube body;
From first face while the second face extended to body central, first side in second face and first face It is connected, second side in second face is connected with the top of the class annular projection;And
The 3rd face extended from the another side in first face to body central, first side in the 3rd face with it is described The top of class annular projection is connected, and second side in the 3rd face is connected with the first face, and this second at opposite first closer to holding Mouth end face.
In one embodiment of the invention, the quantity of the class annular projection is more than or equal to 2, its section is into sawtooth Shape.
In one embodiment of the invention, the material of the bellmouth tube body is PE or HDPE.
In one embodiment of the invention, the class annular projection is curved protrusion.
According to another embodiment of the invention, there is provided a kind of outlet structure of pipeline self-sealing socket interface, including:
Socket tube body;
Positioned at the receptacle wall of the socket outer surface of tube body;
Positioned at the socket inner wall of the socket inner surface of tube body, and
The class annular projection being process based on the receptacle wall.
In another embodiment of the present invention, the class annular projection includes:
The first face being connected with the socket tube body;
The second face extended outside from the one side in first face to tube body, first side in second face and described first Face is connected, and second side in second face is connected with the top of the class annular projection;And
The 3rd face extended from the another side in first face to body central, first side in the 3rd face with it is described The top of class annular projection is connected, and second side in the 3rd face is connected with the first face, and this second at opposite first closer to inserting Mouth end face.
In another embodiment of the present invention, the quantity of the class annular projection is more than or equal to 2, its section is into sawtooth Shape.
In another embodiment of the present invention, the material of the bellmouth tube body is PE or HDPE.
In another embodiment of the present invention, the class annular projection is curved protrusion.
According to still another embodiment of the invention, there is provided a kind of pipeline self-sealing socket interface structure, including:
Bellmouth, the bellmouth include bellmouth tube body, the bellmouth outer wall positioned at the bellmouth outer surface of tube body, are held positioned at described The bellmouth inner wall of mouth inner surface of tube body, and the first kind annular projection formed based on the bellmouth inwall processing;And
Socket, the socket include socket tube body, the receptacle wall positioned at the socket outer surface of tube body, are inserted positioned at described The socket inner wall of mouth inner surface of tube body, and the second class annular projection being process based on the receptacle wall,
The geomery of wherein described first kind annular projection is complementary with the geomery of the second class annular projection, when When the socket is assembled to the bellmouth, first kind annular projection coincide with the second class annular projection.
In yet another embodiment of the present invention, the first kind annular projection includes:
The first face being connected with the bellmouth tube body;
The second face extended from the one side in first face to body central, first side in second face and described first Face is connected, and first side in second face is connected with the top of the first kind annular projection;And
The 3rd face extended from the another side in first face to body central, first side in the 3rd face and described the The top of a kind of annular projection is connected, and second side in the 3rd face is connected with the first face, and the second of the 3rd face is at opposite first Closer to bellmouth end face;
The second class annular projection includes:
The fourth face being connected with the socket tube body;
The 5th face extended outside from the fourth face to tube body, the first side and the fourth face phase in the 5th face Even, second side in the 5th face is connected with the top of the second class annular projection;And
The 6th face extended outside from the fourth face to tube body, the first side and the second class ring-type in the 6th face Raised top is connected, and second side in the 6th face is connected with fourth face, and the second of the 6th face is closer slotting at opposite first Mouth end face.
In yet another embodiment of the present invention, first face is substantially parallel with the fourth face, second face with 5th face is substantially parallel, and the 3rd face is substantially parallel with the fourth face.
In yet another embodiment of the present invention, the quantity of the first kind annular projection is more than or equal to 2, described second The quantity of class annular projection is more than or equal to 2, so that two zigzags of its section into clamping matching.
In yet another embodiment of the present invention, the material of the bellmouth and/or socket is PE or HDPE.
In yet another embodiment of the present invention, the bell and spigot position has fluid sealant.
In yet another embodiment of the present invention, the first kind annular projection and the second class annular projection are convex for curved surface Rise.
In yet another embodiment of the present invention, the first kind annular projection and the second class annular projection are along conduit axis Section shape be triangle, trapezoidal or semicircle.
Pipeline self-sealing socket mouth disclosed by the invention and undertaking method are used processes first kind annular on bellmouth structure Protrusion, processing can be with the second class annular protrusion of first kind annular protrusion formation screens installation in outlet structure, then will be slotting Mouth structure alignment bellmouth structure carries out extruding installation.This kind of pipeline self-sealing socket mouth and undertaking method are whole with the connection of 1) pipeline Body is strong, can not be separated after connection;2) pipe joint anti-pulling, can be used for drawing jacking construction;3) pipeline connection good leak tightness, Sealing performance is excellent;4) pipeline is easy to connect, and construction is quick, and an interface can complete connection in 2 minutes;5) pipe joint Without in-flanges;6) space is small needed for pipe joint, and instrument is simple;7) advantages such as cost is low.
Brief description of the drawings
For the above and other advantages and features of each embodiment that the present invention is furture elucidated, refer to the attached drawing is presented The more specifically description of various embodiments of the present invention.It is appreciated that these attached drawings only describe the exemplary embodiments of the present invention, therefore It is restriction on its scope to be not to be regarded as.In the accompanying drawings, in order to cheer and bright, identical or corresponding component will use identical or class As mark represent.
Fig. 1 shows that a kind of bellmouth structure 100 of pipeline self-sealing socket interface according to an embodiment of the invention is cut Face schematic diagram.
Fig. 2 shows that a kind of outlet structure 200 of pipeline self-sealing socket interface according to an embodiment of the invention is cut Face schematic diagram.
Fig. 3 shows that a kind of section of pipeline self-sealing socket interface structure 300 according to an embodiment of the invention shows It is intended to.
Fig. 4 shows the diagrammatic cross-section of the according to the present invention first exemplary tube body 400 with bellmouth and outlet structure.
Fig. 5 shows the diagrammatic cross-section of the according to the present invention second exemplary tube body 500 with bellmouth and outlet structure.
Fig. 6 shows the diagrammatic cross-section of the according to the present invention 3rd exemplary tube body 600 with bellmouth and outlet structure.
Fig. 7 shows the diagrammatic cross-section of the according to the present invention 4th exemplary tube body 700 with bellmouth and outlet structure.
Fig. 8 shows that a kind of partial structurtes 800 of pipeline self-sealing socket interface according to an embodiment of the invention are cut Face schematic diagram.
Embodiment
In the following description, with reference to each embodiment, present invention is described.However, those skilled in the art will recognize Know can in the case of neither one or multiple specific details or with it is other replacement and/or addition method, material or component Implement each embodiment together.In other situations, it is not shown or known structure, material or operation is not described in detail in order to avoid making this The aspects of each embodiment of invention is obscure.Similarly, for purposes of explanation, specific quantity, material and configuration are elaborated, with Comprehensive understanding to the embodiment of the present invention is just provided.However, the present invention can be implemented in the case of no specific detail.This Outside, it should be understood that each embodiment shown in attached drawing is illustrative expression and is not drawn necessarily to scale.
In the present specification, the reference to " one embodiment " or " embodiment " means to combine embodiment description A particular feature, structure, or characteristic is included at least one embodiment of the invention.In the short of this specification middle appearance everywhere Language is not necessarily all referring to the same embodiment " in one embodiment ".
This kind of pipeline self-sealing socket mouth according to the present invention and method is accepted, using processing the first kind on bellmouth structure Annular protrusion, the second class annular protrusion that processing can be installed with the formation screens of first kind annular protrusion in outlet structure, then Outlet structure alignment bellmouth structure is subjected to extruding installation.This kind of pipeline self-sealing socket mouth and undertaking method connect with 1) pipeline It is strong to connect globality, can not be separated after connection;2) pipe joint anti-pulling, can be used for drawing jacking construction;3) pipeline connection is closed Property is good, and sealing performance is excellent;4) pipeline is easy to connect, and construction is quick, and an interface can complete connection in 2 minutes;5) manage Pipeline joint is without in-flanges;6) space is small needed for pipe joint, and instrument is simple;7) advantages such as cost is low.
Fig. 1 is a kind of 100 section of bellmouth structure of pipeline self-sealing socket interface according to an embodiment of the invention Schematic diagram.As shown in Figure 1, the bellmouth structure 100 of the pipeline self-sealing socket interface includes bellmouth tube body 101, bellmouth outer wall 102nd, bellmouth inner wall 103, and the first kind annular projection 104 being process based on bellmouth inner wall 103.
Bellmouth tube body 101 can be the specific dimensions HDPE solid wall pipes based on job requirement, PE is managed or other are similar to material The pipeline of material.Its material has certain elastic deformability, to meet the subsequently outlet structure with pipeline self-sealing socket interface Assembling demand.
Bellmouth outer wall 102 is not processed further, generally remains structural integrity, (such as outer end face is horizontal consistent for size uniform Property is preferable) etc. basic demand can, so as to meet the subsequently assembling demand with the outlet structure of pipeline self-sealing socket interface.
Bellmouth inner wall 103 is divided to for two parts, and wherein Part I is the common tube for leaving 105 specific range of bellmouth end face The inner side of body;Part II is the interface section of specific range of extending internally from bellmouth end face 105, the inner wall 1041 of interface section Entirety can be tapered, and the taper is big in bellmouth end face 105, and root is small.It may include one or more on the inner wall of interface section First kind annular projection 104.
First kind annular projection 104 is located at the inner side of bellmouth tube body 101, is connected with bellmouth inner wall 103.First kind ring-type is convex 104 are played to be process by bellmouth inner wall 103.First kind annular projection 104 is usually ring-type, can also be processed into discrete several sections Raised (not shown).In one embodiment of the invention, first kind annular projection 104 may include and bellmouth tube body 101 The first connected face 1041;Extend from the first face 1041 to the center of tube body 101 and vertical with 101 axes O O ' of bellmouth tube body Second face 1042, first side in the second face 1042 are connected with the first face 1041, and second side in the second face 1042 is first kind ring-type The top of protrusion 104;And the 3rd face 1043 being connected with the second face 1042 and the first face 1041.The first of 3rd face 1043 While with the second face 1042 second while be connected, second side in the 3rd face 1043 is connected with the first face 1041, and second side is opposite First side is closer to bellmouth end face 105.First kind annular projection 104 is cut out by side in socket pipe body with rotary cutter, and quantity is big In equal to 1.
More specifically, shown on the right side of Fig. 1, in the section along axes O O ', the first face of first kind annular protrusion 104 1041 and intersection and the axes O O ' angulations of section be α;Second face 1042 of first kind annular protrusion 104 and socket pipe 101 axes O O ' of body is substantially vertical;The hatching in the 3rd face 1043 of first kind annular protrusion 104 and 101 axis of bellmouth tube body OO ' angulations are β, and angle [alpha], β are acute angle, and β > α.In a specific embodiment of the present invention, angle [alpha] is in 2-10 degree In the range of, angle beta is in the range of 20-60 degree.But protection scope of the present invention not limited to this, in other realities of the present invention To apply in example, the second face 1042 can not be vertical with axes O O ', but into other specific angles.
In addition, as shown in Fig. 1 lower-lefts, meet following requirement, i.e. wall at bellmouth outer end face in the pipe thickness of socket Thickness is d, and the wall thickness at bellmouth inner face is D, wherein D > d, and d is not less than 3mm.
Fig. 2 is a kind of 200 section of outlet structure of pipeline self-sealing socket interface according to an embodiment of the invention Schematic diagram.As shown in Fig. 2, the outlet structure 200 of the pipeline self-sealing socket interface further comprises socket tube body 201, socket Outer wall 202, socket inner wall 203, and the second class annular projection 204 being process by receptacle wall 202.
Socket tube body 201 as the tube body of foregoing bellmouth, for the specific dimensions HDPE solid wall pipes based on job requirement, PE is managed or the pipeline of other similar materials.Its material has certain elastic deformability, with meet subsequently with pipeline self sealss The assembling demand of the bellmouth structure of bell socket.
Socket inner wall 203 is not processed further, generally remains structural integrity, (such as outer end face is horizontal consistent for size uniform Property is preferable) etc. basic demand can, so as to meet the subsequently assembling demand with the bellmouth structure of pipeline self-sealing socket interface.
Receptacle wall 202 is divided to for two parts, and wherein Part I is the common tube for leaving 205 specific range of socket end face The outside of body;Part II is the interface section of specific range of extending internally from socket end face 205, the outer wall 2041 of interface section It is integrally conical, the taper is small in socket end face, and root is big.Interface section may include one or more second class annular projections 204。
Second class annular projection 204 is located at the outside of socket tube body 201, is connected with receptacle wall 202 and (is based on outer wall 202 It is process), the second class annular projection 204 is generally also ring-type, can also equally be processed into several sections of discrete circular arcs (in figure not Show).Second class annular projection 204 may include positioned at the first face 2041 being connected with socket tube body 201;From the first face 2041 to The exterior extension of tube body 201 and second face 2042 vertical with 201 axes O O ' of socket tube body, first side in the second face 2042 and First face 2041 is connected, and second side in the second face 2042 is the top of the second class annular projection 204;And with the second face 2042 and The 3rd connected face 2043 of first face 2041.First side in the 3rd face 2043 is connected with 2042 outer end of the second face, the 3rd face 2043 The second side be connected with the first face 2041, and this second at opposite first closer to socket end face 205.Second class annular projection 204 are cut out by the external side of jack tube with rotary cutter, and quantity is more than or equal to 1.
More specifically, as shown in Fig. 2 upper left sides, in the section along axes O O ', the first of the second class annular protrusion 204 The intersection of face 2041 and section and 201 axes O O ' angulations of socket tube body are α ';The second of second class annular protrusion 204 Face 2042 and 101 axes O O ' of interface tube body are substantially vertical;3rd face 2043 of the second class annular protrusion 204 and the intersection of section Be β ' with 101 axes O O ' angulations of interface tube body, angle [alpha] ', β ' be acute angle, and β ' > α '.Angle [alpha] ' and institute above The α stated is of substantially equal;Angle beta ' it is of substantially equal with β described above.But protection scope of the present invention not limited to this, in this hair In bright other embodiments, the second face 2042 can not be vertical with axes O O ', but into other specific angles.
In addition, as shown in Fig. 2 upper rights, meet following requirement, i.e. wall at interface outer end face in the pipe thickness of interface Thickness is d ', and the wall thickness at bellmouth inner face is D ', wherein D ' > d ', and d is not less than 3mm.
Fig. 3 shows that a kind of section of pipeline self-sealing socket interface structure 300 according to an embodiment of the invention shows It is intended to.As shown in figure 3, the socket shown in the bellmouth structure and Fig. 2 of pipeline self-sealing socket interface structure 300 as shown in Figure 1 Standard forms, and further comprises bellmouth tube body 101, socket tube body 201 and bell and spigot 301.
For 301 specific schematic diagram of bell and spigot shown on the right side of Fig. 3, it is to be inserted into bellmouth knot along diagram F directions by outlet structure In structure, after extruding, the second class annular protrusion 204 of outlet structure first kind annular protrusion 104 with bellmouth structure successively Form screens installation.The first kind annular projection 104 of bellmouth tube body 101 and the second class annular projection 204 of socket tube body 201 Geomery is complementary.Therefore, after bellmouth tube body 101 completes assembling with socket tube body 201, first kind annular projection 104 and second Class annular projection 204 fits like a glove to form self sealss.
With reference to Fig. 1 to Fig. 3 with the 104 and second class annular projection 204 of first kind annular projection of section shape position triangle Embodiment invention has been described, but it should be appreciated by one skilled in art that protection scope of the present invention not It is limited to this, the protrusion of bellmouth tube body and socket tube body can also be other shapes.Fig. 4 to Fig. 7 shows first kind annular projection 104 and second class annular projection 204 several possible section shapes.
Fig. 4 shows the diagrammatic cross-section of the according to the present invention first exemplary tube body 400 with bellmouth and outlet structure. As shown in figure 4, one end of tube body 400 is bellmouth 101, and other end position socket 201,104 and second class ring of first kind annular projection The section shape of shape protrusion 204 is triangle.It is that first kind ring-type is convex with the difference of the embodiment shown in Fig. 1 and Fig. 2 Play 104 not vertical with axis with each face of the second class annular projection 204, and the inner wall of bellmouth 101 and socket 201 Outer wall is substantially cylindrical rather than taper.
Fig. 5 shows the diagrammatic cross-section of the according to the present invention second exemplary tube body 500 with bellmouth and outlet structure. As shown in figure 5, one end of tube body 500 is bellmouth 101, and other end position socket 201,104 and second class ring of first kind annular projection The section shape of shape protrusion 204 is triangle.Be with the exemplary difference shown in Fig. 4, and the inner wall of bellmouth 101 and The outer wall of socket 201 is generally conical.
Fig. 6 shows the diagrammatic cross-section of the according to the present invention 3rd exemplary tube body 600 with bellmouth and outlet structure. As shown in fig. 6, one end of tube body 600 is bellmouth 101, and other end position socket 201,104 and second class ring of first kind annular projection The section shape of shape protrusion 204 is approximately trapezoidal.It is with the exemplary difference shown in Fig. 4, first kind annular projection 104 Scabbled with the top of the second class annular projection 204.104 and second class annular projection of first kind annular projection, 204 tip platform Width c in the range of 0.5-5mm.The inner wall of bellmouth 101 and the outer wall of socket 201 it is substantially cylindrical rather than cone Shape.
Fig. 7 shows the diagrammatic cross-section of the according to the present invention 4th exemplary tube body 700 with bellmouth and outlet structure. It is with the exemplary difference shown in Fig. 6, and the inner wall of bellmouth and the outer wall of socket are generally conical.
In addition, heretofore described 104 and/or second class annular protrusion of first kind annular protrusion can also be such as Fig. 8 Shown curved protrusion.
Before specific assembling, optionally in outlet structure and/or the position of bellmouth structure, especially the second class annular protrusion 204 Position can smear fluid sealant, and extruding is docked with bellmouth.Fluid sealant has the setting time of 10 minutes or so, is played when extruding and sliding Lubricating action, in place after slowly solidify, further function as reinforcing, the effect of hermetic seal, prevent from leaking.
In a particular application, bellmouth disclosed by the invention and/or outlet structure can be also used for other pipelines, for example, will Bell and spigot made of PE pipes is welded to other tubing.For example, bell and spigot made of can PE be managed is welded to internal-rib reinforced pipe, hollow On wall pipe or double-wall corrugated pipe.
This kind of pipeline self seals accept socket and accept method according to the present invention, using processing first on bellmouth structure Class annular protrusion, the second class annular protrusion that processing can be installed with the formation screens of first kind annular protrusion in outlet structure, so Outlet structure alignment bellmouth structure is subjected to extruding installation afterwards.This kind of pipeline self sealss, which accept socket and accept method, has 1) pipe Road connection integrity is strong, can not be separated after connection;2) pipe joint anti-pulling, can be used for drawing jacking construction;3) pipeline connects Good leak tightness, sealing performance are excellent;4) pipeline is easy to connect, and construction is quick, and an interface can complete connection in 2 minutes; 5) pipe joint is without in-flanges;6) space is small needed for pipe joint, and instrument is simple;7) advantages such as cost is low.
Although described above is various embodiments of the present invention, however, it is to be understood that they are intended only as example to present , and without limitation.For those skilled in the relevant art it is readily apparent that various combinations, modification can be made to it With change without departing from the spirit and scope of the present invention.Therefore, the width of the invention disclosed herein and scope should not be upper State disclosed exemplary embodiment to be limited, and should be defined according only to the appended claims and its equivalent substitution.

Claims (10)

1. a kind of bellmouth structure of pipeline self-sealing socket interface, including:
Bellmouth tube body;
Positioned at the bellmouth outer wall of the bellmouth outer surface of tube body;
Positioned at the bellmouth inner wall of the bellmouth inner surface of tube body, and
The class annular projection formed based on the bellmouth inwall processing.
2. the bellmouth structure of pipeline self-sealing socket interface as claimed in claim 1, it is characterised in that the class annular projection Including:
The first face being connected with the bellmouth tube body;
From first face while the second face extended to body central, the first side and first face phase in second face Even, second side in second face is connected with the top of the class annular projection;And
The 3rd face extended from the another side in first face to body central, first side in the 3rd face with the class ring The top of shape protrusion is connected, and second side in the 3rd face is connected with the first face, and this second at opposite first closer to female end Face.
3. a kind of outlet structure of pipeline self-sealing socket interface, including:
Socket tube body;
Positioned at the receptacle wall of the socket outer surface of tube body;
Positioned at the socket inner wall of the socket inner surface of tube body, and
The class annular projection being process based on the receptacle wall.
4. the outlet structure of pipeline self-sealing socket interface as claimed in claim 3, it is characterised in that the class annular projection Including:
The first face being connected with the socket tube body;
The second face extended outside from the one side in first face to tube body, the first side and first face phase in second face Even, second side in second face is connected with the top of the class annular projection;And
The 3rd face extended from the another side in first face to body central, first side in the 3rd face with the class ring The top of shape protrusion is connected, and second side in the 3rd face is connected with the first face, and this second at opposite first closer to socket end Face.
5. a kind of pipeline self-sealing socket interface structure, including:
Bellmouth, the bellmouth include bellmouth tube body, the bellmouth outer wall positioned at the bellmouth outer surface of tube body, positioned at the socket pipe The bellmouth inner wall on internal surface, and the first kind annular projection formed based on the bellmouth inwall processing;And
Socket, the socket include socket tube body, the receptacle wall positioned at the socket outer surface of tube body, positioned at the jack tube The socket inner wall on internal surface, and the second class annular projection being process based on the receptacle wall,
The geomery of wherein described first kind annular projection and the geomery of the second class annular projection are complementary, when by institute When stating socket and being assembled to the bellmouth, first kind annular projection coincide with the second class annular projection.
6. pipeline self-sealing socket interface structure as claimed in claim 5, it is characterised in that the first kind annular projection bag Include:
The first face being connected with the bellmouth tube body;
The second face extended from the one side in first face to body central, the first side and first face phase in second face Even, first side in second face is connected with the top of the first kind annular projection;And
The 3rd face extended from the another side in first face to body central, the first side and the first kind in the 3rd face The top of annular projection is connected, and second side in the 3rd face is connected with the first face, and the second of the 3rd face more connects at opposite first Nearly bellmouth end face;
The second class annular projection includes:
The fourth face being connected with the socket tube body;
The 5th face extended outside from the fourth face to tube body, first side in the 5th face are connected with the fourth face, institute The second side for stating the 5th face is connected with the top of the second class annular projection;And
The 6th face extended outside from the fourth face to tube body, the first side and the second class annular projection in the 6th face Top be connected, second side in the 6th face is connected with fourth face, and the second of the 6th face at opposite first closer to socket end Face.
7. pipeline self-sealing socket interface structure as claimed in claim 6, it is characterised in that first face and the described 4th Face is substantially parallel, and second face is substantially parallel with the 5th face, and the 3rd face is substantially parallel with the fourth face.
8. pipeline self-sealing socket interface structure as claimed in claim 5, it is characterised in that the first kind annular projection Quantity is more than or equal to 2, and the quantity of the second class annular projection is more than or equal to 2, so that its section is into clamping matching Two zigzags.
9. pipeline self-sealing socket interface structure as claimed in claim 5, it is characterised in that the bell socket position has Fluid sealant.
10. pipeline self-sealing socket interface structure as claimed in claim 5, it is characterised in that the first kind annular projection Along the section shape of conduit axis it is triangle, trapezoidal or semicircle with the second class annular projection.
CN201711479993.5A 2017-12-29 2017-12-29 A kind of pipeline self-sealing socket interface Pending CN107965628A (en)

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CN108397622A (en) * 2018-06-01 2018-08-14 广东管博管道技术科技有限公司 A kind of bell socket of outer wall belt card slot
CN108930855A (en) * 2018-08-04 2018-12-04 广州力冠液压器材有限公司 A kind of hydraulic pipeline flexible connecting structure and method suitable for tight space
CN112557188A (en) * 2020-11-23 2021-03-26 东莞市泰至塑料五金有限公司 Flexible self-locking socket pipe joint and pipe joint tensile test method

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CN112557188A (en) * 2020-11-23 2021-03-26 东莞市泰至塑料五金有限公司 Flexible self-locking socket pipe joint and pipe joint tensile test method

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