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CN112747179A - Improved leakage-proof universal half joint assembly - Google Patents

Improved leakage-proof universal half joint assembly Download PDF

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Publication number
CN112747179A
CN112747179A CN202110280638.5A CN202110280638A CN112747179A CN 112747179 A CN112747179 A CN 112747179A CN 202110280638 A CN202110280638 A CN 202110280638A CN 112747179 A CN112747179 A CN 112747179A
Authority
CN
China
Prior art keywords
pipeline
positioning
connecting flange
mounting groove
huff
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
CN202110280638.5A
Other languages
Chinese (zh)
Inventor
卢明鑫
卢明伟
卢志春
卢明发
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.)
Southeast Pipe & Valve Co ltd
Original Assignee
Southeast Pipe & Valve 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 Southeast Pipe & Valve Co ltd filed Critical Southeast Pipe & Valve Co ltd
Publication of CN112747179A publication Critical patent/CN112747179A/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
    • F16L21/00Joints with sleeve or socket
    • F16L21/06Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
    • 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
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/036Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
    • 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
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/22Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
    • 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
    • F16L25/14Joints for pipes of different diameters or cross-section

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

The invention provides an improved leakage-proof universal half joint assembly which comprises two half joint bodies, wherein each half joint body is provided with a containing cavity for a pipeline to pass through, the improved leakage-proof universal half joint assembly also comprises at least one socket joint, at least one end part of each half joint body is fixedly provided with a first connecting flange, the first connecting flange is provided with a first mounting groove, a first sealing element is arranged in the first mounting groove, the socket joint is sleeved on the outer wall of the pipeline close to the first connecting flange, one end, close to the first connecting flange, of the socket joint is provided with a positioning boss capable of being inserted into the first mounting groove, the positioning boss can be abutted against the first sealing element, one end, far away from the first connecting flange, of the socket joint is fixedly provided with a connecting piece, and the first connecting flange is connected with the connecting piece. The half joint assembly is simple in structure, convenient to install, good in sealing performance and high in universality.

Description

Improved leakage-proof universal half joint assembly
Technical Field
The invention relates to a pipeline leakage stopping device, in particular to an improved leakage-proof universal half joint assembly.
Background
The pipeline is used for transmitting media to bring convenience to human beings, but simultaneously brings troubles, the natural corrosion, perforation, leakage and leakage of the pipeline and the man-made damage phenomenon of the pipeline often cause the leakage stoppage problem of the pipeline, the Hafu joint is a common pipeline leakage stoppage device, the Chinese patent publication No. CN206299943U discloses a Hafu joint for the first-aid repair of a ball ink pipe fitting, which comprises an upper Hafu joint body, a lower Hafu joint body and a plurality of connecting bolts, a rubber sealing element is arranged between the two half joint bodies and comprises a left sealing gasket, a right sealing gasket, a left arc-shaped sealing ring and a right arc-shaped sealing ring, the inner shapes of the left sealing gasket and the right sealing gasket are matched with the outer shapes of the left arc-shaped sealing ring and the right arc-shaped sealing ring, the upper end and the lower end of the left arc-shaped sealing ring and the right arc-shaped sealing ring are jointed and combined into a complete annular sealing ring, and sealing strips are embedded in the half joint bodies corresponding to the upper and lower joints of the left arc-shaped sealing ring and the right arc-shaped sealing ring. This rubber seal inner circle of ha fujie can be dismantled, changes alone, has saved cost of maintenance and time, can avoid revealing of ha fujie junction moreover, has improved the life of sealing quality and overall installation, but its still has following defect: the pipe joint is poor in structural universality, can only be applied to a fixed pipe diameter, and can carry out pipe joint locking in the face of construction requirements of different pipe diameters, the upper half joint body and the lower half joint body tightly wrap the pipe and are locked through bolts, when the pipe is subjected to thermal expansion or cold contraction, a deformation space can not be provided for the pipe, the upper half joint body and the lower half joint body can be propped open by the pipe subjected to thermal expansion, the device is damaged, sealing failure is caused, and a medium is leaked.
In view of the above, the applicant has made intensive studies to solve the above problems and has made the present invention.
Disclosure of Invention
The invention aims to provide an improved leakage-proof universal half joint assembly which is simple in structure, convenient to install, good in sealing performance and high in universality.
In order to achieve the purpose, the invention adopts the following technical scheme:
an improved leakage-proof universal half joint assembly comprises two half joint bodies and a plurality of first connecting bolts used for locking the two half joint bodies, wherein the two half joint bodies are provided with a containing cavity for a pipeline to pass through, the leakage-proof universal half joint assembly also comprises at least one socket joint, the diameter of the minimum cross section of the containing cavity is not less than the diameter of the pipeline, at least one end part of the two half joint bodies is fixedly provided with a first connecting flange, the first connecting flange is provided with a first mounting groove, the first mounting groove is communicated with the containing cavity, a first sealing element used for sealing the containing cavity after being inserted into the pipeline is arranged in the first mounting groove, one end of the first sealing element close to the containing cavity is conical, a conical inclined surface capable of mutually tensioning and sealing with the conical end of the first sealing element is also arranged in the first mounting groove, and the socket joint is sleeved on the outer wall of the pipeline close to the first connecting flange, the end of the socket joint close to the first connecting flange is provided with a positioning boss which can be inserted into the first mounting groove, the positioning boss can be abutted against the first sealing element, the end of the socket joint far away from the first connecting flange is fixedly provided with a connecting piece, and the first connecting flange is connected with the connecting piece.
As an improvement of the invention, the connecting piece comprises a second connecting flange, and the first connecting flange and the second connecting flange can be detachably connected through a second connecting bolt.
As an improvement of the invention, a plurality of connecting seats parallel to the pipeline are fixedly arranged on one side of the second connecting flange away from the containing cavity, and positioning bolts capable of abutting against the outer wall of the pipeline or penetrating into the pipeline are arranged in the connecting seats.
As an improvement of the present invention, a first positioning groove and a second positioning groove are formed on a contact surface of one half-half-half-half between the two half-halves, a first positioning protrusion capable of extending into the first positioning groove is fixedly arranged on the other half-half.
As an improvement of the present invention, a first positioning groove and a second positioning protrusion are disposed on a contact surface of one half-half of the two half-halves of the half-half of the half-half.
As an improvement of the present invention, the two half-half ha-fu sections are provided with at least one second mounting groove on the contact surface of the two half ha-fu sections, at least one second sealing element is arranged between the two half ha-fu sections, the second sealing element is arranged in the second mounting groove, and the second mounting groove is communicated with the first mounting groove.
As an improvement of the invention, the left end part and the right end part of the two half-half-half-sections are fixedly provided with first connecting flanges, the number of the socket joints is two, and the two socket joints are respectively sleeved on the outer wall of the pipeline in a manner of being close to the two first connecting flanges.
As a modification of the present invention, the first seal member is a linear seal member, and both ends of the linear seal member are bonded to each other.
As an improvement of the invention, the diameter of the middle part of the containing cavity is larger than the diameters of the two end parts.
As an improvement of the invention, the diameters of the two end parts of the containing cavity are equal or different.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the half-bodies of.
2. According to the invention, the installation groove and the first sealing element are in taper fit, when the second connecting flange and the first connecting flange are continuously locked and closed, the force which is applied to the first sealing element by the positioning boss and moves towards the bottom of the installation groove can be converted into a radially inward force, and finally the inner diameter of the first sealing element is reduced to tightly hold the outer wall of the pipeline, so that when the diameter of the pipeline is changed, a gap between the containing cavity and the pipeline can be well sealed, and the application range is wide.
3. The side, away from the containing cavity, of the socket joint is fixedly provided with a plurality of connecting seats parallel to the pipeline and positioning bolts matched with the connecting seats to be used and capable of being abutted against or penetrating into the outer wall of the pipeline, when all the positioning bolts are abutted against the outer wall of the pipeline, the pipeline is positioned and cannot move radially, axial displacement is difficult, when all the positioning bolts are locked downwards on the connecting seats and penetrate into the pipeline, the pipeline can be positioned radially, axial limiting can be carried out on the pipeline, and the phenomenon that the pipeline vibrates in a Hough section due to medium impact in the pipeline to influence on the sealing effect is avoided, so that the sealing performance of the pipeline sealing device is improved, the device is protected, the service life of the device is prolonged, and the pipeline sealing device is more economical.
4. According to the two half-half-halves, one half-half-half is provided with the first positioning groove and the second positioning groove on the contact surfaces, one half-half is provided with the first positioning bulge and the second positioning bulge on the contact surfaces, when the two half-half-halves are locked by the first connecting bolts, the first positioning bulge is inserted into the first positioning groove to be clamped with the first positioning groove, the second positioning bulge is inserted into the second positioning groove to be clamped with the second positioning groove, the connecting gap between the two half-halves is sealed, and the leakage-proof effect is better.
5. The first sealing element is formed by winding and gluing two ends of a linear sealing element into a ring, a maintenance worker does not need to prepare various sealing rings according to sealing requirements of different pipe diameters in application of specific engineering, only the coiled linear sealing element needs to be carried, only the linear sealing element with the corresponding length needs to be hinged along the circumference of the mounting groove in installation, the linear sealing element is placed into the first mounting groove, and two end faces are glued after the sealing ring is formed by surrounding the curve of the first mounting groove.
6. The diameter of the middle part of the containing cavity is larger than the diameters of the two end parts, so that the invention can be applied to the connection of two pipelines with the same pipe diameter and can also be butted with two pipelines with different pipe diameters, the maneuverability is strong, and the application range is wider.
7. The first mounting groove is communicated with the second mounting groove, the two end parts of the second rubber sealing strip can be abutted against the conical end of the circular sealing ring, when the circular sealing ring is extruded by a pipeline, the contact surfaces of the second rubber sealing strip and the circular sealing ring can be mutually extruded, so that the sealing effect between the second rubber sealing strip and the circular sealing ring is better, and the anti-leakage device has better anti-leakage performance.
8. The first positioning groove and the second positioning groove are communicated with the first mounting groove, two end parts of the first positioning bulge and the second positioning bulge can be abutted against the conical end of the circular sealing ring, when the pipeline extrudes the circular sealing ring, the contact surfaces of the first positioning bulge and the circular sealing ring and the contact surfaces of the second positioning bulge and the circular sealing ring can be mutually extruded, so that the sealing effect between the first positioning bulge and the circular sealing ring is better, and the anti-leakage device has better anti-leakage performance.
Drawings
Fig. 1 is a schematic structural diagram of an assembled device according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along line B-B in fig. 1.
Fig. 3 is an enlarged view at a in fig. 2.
FIG. 4 is a schematic structural view of an improved leak proof universal half joint assembly of the present invention.
FIG. 5 is a side view of the improved leak resistant universal half joint assembly of the present invention.
Fig. 6 is a schematic structural view of a half-half of a half-half joint according to a second embodiment of the present invention.
Fig. 7 is a schematic structural view of another half-half of the present invention according to the second embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
The first embodiment is as follows:
referring to fig. 1 to 5, the embodiment discloses an improved leakproof universal half joint assembly, which comprises two half joint bodies 1, a plurality of first connecting bolts 2 for locking the two half joint bodies 1, and two socket joints 3, namely, the two half joint bodies 1 are fixedly connected with each other through the plurality of first connecting bolts 2. The socket joint 3 comprises two socket half bodies 20 which are locked and enclosed through a third connecting bolt 21, the two socket half bodies 20 are enclosed together to form the socket joint 3, and the two socket half bodies 20 are mutually locked through the third connecting bolt 21. The two half-half-sections 1 are provided with containing cavities 4 through which pipes 5 can pass, and it should be noted that the pipes 5 do not belong to a part of the improved leak-proof universal half-section assembly in the embodiment, but are the objects of the improved leak-proof universal half-section assembly in the embodiment. The diameter of the middle part of the containing cavity 4 is larger than the diameters of the two end parts, the diameters of the two end parts of the containing cavity 4 are equal and are not smaller than the diameter of the pipeline 5, and the left end part and the right end part of the two half-half huff sections 1 are both fixedly provided with the first connecting flange 6, it should be noted that the up-down and left-right directions mentioned in the embodiment are referred to by the state shown in fig. 1, that is, the up-down and left-right directions of fig. 1 are the up-down and left-right directions of.
The first connecting flange 6 and the two half-half ha-fu joint bodies 1 are integrally cast, namely, each half ha-fu joint body 1 is integrally connected with the first connecting flange 6 connected to the half ha-fu joint body 1, and the integral connecting piece is formed by casting. Each first connecting flange 6 is respectively provided with a first mounting groove 7, the first mounting grooves 7 are communicated with the containing cavity 4, and after the two half-huff-joint bodies 1 are locked by the first connecting bolts 2, the first connecting flanges 6 positioned at the left end part and the right end part of the two half-huff-joint bodies 1 are spliced into a complete flange, namely the two first connecting flanges 6 positioned at the same end of the two half-huff-joint bodies 1 are spliced with each other to form a flange. The first installation grooves 7 in the two first connection flanges 6 spliced into the flange plate are also spliced into a ring shape, first sealing parts for sealing the containing cavity 4 after the pipeline 5 is inserted are arranged in the first installation grooves 7, it should be noted that the pipeline 5 is only represented by structural images, the pipeline 5 is surrounded by the two half-half huff sections 1 to form a structure that the pipeline 5 is inserted into the containing cavity 4 in actual use, the pipeline 5 is not inserted after the two half-half huff sections 1 are spliced, and the first sealing parts are simultaneously positioned in the two first installation grooves 7 spliced into the ring shape. In this embodiment, the first sealing element is a circular sealing ring formed by two ends of a linear rubber sealing strip 8 which are bonded and surrounded by glue after being bent along with the shape of the mounting groove, that is, the first sealing element is linear before being mounted, and after being mounted in the two first mounting grooves 7 which are spliced into a ring shape, the two ends of the first sealing element are bonded together by glue to form the circular sealing ring.
The linear rubber sealing strip 8 is conical at one end relatively close to the containing cavity 4, an inclined plane which can be tightly held with the pipeline 5 is arranged on the circular sealing ring, the diameter of the inclined plane is gradually reduced from one end relatively close to the corresponding first connecting flange 6 to the direction of the containing cavity 4, namely, the inclined plane is a conical surface substantially. The first mounting groove 7 is also internally provided with a conical inclined surface which can be mutually tensioned and sealed with the conical end of the linear rubber sealing strip 8, the two socket joints 3 are respectively sleeved on the outer wall of the pipeline 5 adjacent to the two first connecting flanges 6, namely, each socket joint 3 is sleeved on the outer wall of the pipeline 5 adjacent to the first connecting flange 6 which is positioned at the same end with the socket joint 3. The socket joint 3 is provided with the location boss 9 that can insert in first mounting groove 7 near the one end of corresponding first connecting flange 6, and location boss 9 can with socket joint 3 fixed connection or an organic whole connection, also can with the split type setting of socket joint 3, both touch each other. The positioning boss 9 and the socket joint 3 are manufactured integrally, the positioning boss 9 can be abutted against a first sealing element, one end of the socket joint 3 far away from the corresponding first connecting flange 6 is fixedly provided with a second connecting flange 10, the first connecting flange 6 and the corresponding second connecting flange 10 can be locked by matching a second connecting bolt 11 with a nut, when the distance between the second connecting flange 10 and the corresponding first connecting flange 6 is closer, the positioning boss 9 is deeper in the corresponding first mounting groove 7, and continuously extrudes a circular sealing ring enclosed by the linear rubber sealing strip 8 towards the bottom direction of the corresponding first mounting groove 7 (namely towards the direction of the containing cavity 4), because the conical end of the linear rubber sealing strip 8 is in taper fit with the bottom surface of the mounting groove, the force applied by the positioning boss 9 to the sealing ring and moving towards the bottom of the mounting groove can be converted into radial force, so that the linear rubber sealing strip 8 is pressed against the pipe 5.
Two second flange 10's structure is the same, use one of them as an example, second flange 10 keeps away from fixedly on one side of containing chamber 4 and is provided with a plurality of connecting seats 12 that are on a parallel with pipeline 5, a plurality of connecting seats 12 are along second flange 10's centre of a circle evenly distributed, a plurality of connecting seats 12 screwed connection have can with pipeline 5 outer wall inconsistent positioning bolt 13, each positioning bolt 13 constantly locks downwards in connecting seat 12, until pipeline 5 outer wall of contradicting, when each positioning bolt 13 all contradicts with pipeline 5 outer wall, pipeline 5 is promptly located, unable radial displacement again, axial displacement is also very difficult simultaneously, of course, each positioning bolt 13 also can direct screwed connection at the periphery of second flange 10.
The two half-half huff sections 1 are provided with two second mounting grooves 14 on the contact surface of the two half huff sections 1 in a mirror image manner, namely, the two end surfaces of each half huff section 1 facing the other half huff section 1 are provided with the second mounting grooves 14, and the two second mounting grooves 14 are symmetrically arranged. The second mounting groove 14 is communicated with the first mounting groove 7, two second rubber sealing strips 15 are arranged between the two half-bodies of the half-bodies of. Specifically, referring to the attached drawings, after the two half-half huff sections 1 are locked with each other, the second mounting grooves 14 on the half-half huff sections 1 are arranged in a one-to-one correspondence manner, and the same second rubber sealing strip 15 is inserted into the second mounting grooves 14 arranged in a correspondence manner, so as to realize sealing.
The working principle is as follows:
when a maintenance person locks the two half-huf sections 1 outside the pipeline 5 through a plurality of first connecting bolts 2, namely the pipeline 5 is embraced by the two half-huf sections 1, at the moment, a connecting gap between the two half-huf sections 1 is sealed by a second rubber sealing strip 15, then the maintenance person hinges a linear rubber sealing strip 8 with a corresponding length on the coiled linear rubber sealing strip 8, the linear rubber sealing strip 8 is hinged, the linear rubber sealing strip 8 is obliquely cut, the linear rubber sealing strip 8 is placed into the first mounting groove 7 and is curved along the first mounting groove 7, the cutting inclined planes at the two end parts are bonded through glue to form a circular sealing ring (the area of the cutting plane which is an inclined plane is larger than that of the cutting plane which is vertically hinged, the area capable of coating the glue is increased, the bonded contact surface is also increased, the bonding effect is better.) two socket joints 3 are respectively sleeved and locked on the pipeline 5 at the two ends of the half-huf sections, the second connecting flange 10 on the socket joint 3 and the first connecting flange 6 on the half joint are gradually locked through the second connecting bolt 11, the positioning boss 9 extrudes the sealing ring to tightly coat the outer wall of the pipeline 5 after reducing the diameter of the sealing ring, the gap between the sealed containing cavity 4 and the pipeline 5 prevents medium leakage, and finally, a maintenance worker positions the pipeline 5 through locking the positioning bolts 13 in each connecting seat 12 to prevent the radial displacement of the pipeline 5.
Example two:
referring to fig. 4 to 7 and a first embodiment, the improved leakage-proof universal half joint assembly disclosed in the first embodiment of the present invention comprises two half joint bodies 1, a plurality of first connecting bolts 2 for locking the two half joint bodies 1, and two socket joints 3, wherein each socket joint 3 comprises two socket half bodies 20 which are tightly locked and enclosed by a third connecting bolt 21, each half joint body 1 is provided with a containing cavity 4 for a pipeline 5 to pass through, the diameter of the middle part of the containing cavity 4 is greater than that of each end part, the diameters of the two end parts of the containing cavity 4 are equal and are not less than that of the pipeline 5, the left end part and the right end part of each half joint body 1 are fixedly provided with a first connecting flange 6, the first connecting flange 6 is integrally cast with the two half joint bodies 1, the first connecting flange 6 is provided with a first mounting groove 7, and the first mounting groove 7 is communicated with the containing cavity 4, after the two half-huf sections 1 are locked by the first connecting bolt 2, the first connecting flanges 6 at the left end and the right end of the two half-huf sections 1 are spliced into a complete flange, the first mounting groove 7 in the first connecting flange 6 is also spliced into a ring shape, a first sealing element for sealing the containing cavity 4 after being inserted into the pipeline 5 is arranged in the first mounting groove 7, the first sealing element is a circular sealing ring formed by bonding and enclosing two ends of a linear rubber sealing strip 8 with glue after being bent along the shape of the mounting groove, one end of the linear rubber sealing strip 8 close to the containing cavity 4 is conical, an inclined plane capable of being tightly held with the pipeline 5 is arranged on the circular sealing ring, the diameter of the inclined plane is gradually reduced from the end close to the first connecting flange to the direction of the containing cavity 4, a conical inclined plane capable of being tightly sealed with the conical end of the linear rubber sealing strip 8 is also arranged in the first mounting groove 7, the two socket joints 3 are respectively sleeved on the outer wall of the pipeline 5 adjacent to the two first connecting flanges 6.
A positioning boss 9 capable of being inserted into the first mounting groove 7 is arranged at one end of the socket joint 3 close to the first connecting flange 6, the positioning boss 9 and the socket joint 3 are manufactured integrally, the positioning boss 9 can be abutted against a first sealing element, a second connecting flange 10 is fixedly arranged at one end of the socket joint 3 far away from the first connecting flange 6, the first connecting flange 6 and the second connecting flange 10 can be locked by a second connecting bolt 11 matched with a nut, when the distance between the second connecting flange 10 and the first connecting flange 6 is reduced to be approximate, the positioning boss 9 penetrates deeper into the first mounting groove 7 and continuously extrudes a circular sealing ring formed by enclosing the linear rubber sealing strip 8 towards the bottom of the first mounting groove 7, and because the conical end of the linear rubber sealing strip 8 is in conical fit with the bottom surface of the mounting groove, the force applied by the positioning boss 9 to the sealing ring and moving towards the bottom of the mounting groove can be converted into a radial inward force, so that the linear rubber sealing strip 8 is pressed against the pipe 5.
Second flange 10 keeps away from on one side of packet appearance chamber 4 fixed a plurality of connecting seats 12 that are on a parallel with pipeline 5 that are provided with, a plurality of connecting seats 12 are along second flange 10's centre of a circle evenly distributed, be equipped with in a plurality of connecting seats 12 can with pipeline 5 outer wall inconsistent positioning bolt 13, each positioning bolt 13 constantly locks downwards in connecting seat 12, until contradicting pipeline 5 outer wall, when each positioning bolt 13 all inconsistent with pipeline 5 outer wall, pipeline 5 is positioned promptly, unable radial movement again, and axial displacement is also very difficult simultaneously.
One half 1 positioned on the contact surface between the two half halves 1 is downwards provided with a first positioning groove 16 and a second positioning groove 17, the first positioning groove 16 and the second positioning groove 17 are communicated with the first mounting groove 7, the other half 1 is fixedly provided with a first positioning bulge 18 which can extend into the first positioning groove 16 and is matched with the second positioning groove 17, and a second positioning bulge 19 which can extend into the second positioning groove 17, the two end parts of the first positioning bulge 18 and the second positioning bulge 19 can be abutted against the conical end of the circular sealing ring, when the two half halves 1 are locked by a plurality of first connecting bolts 2, the first positioning bulge 18 can be inserted into the first positioning groove 16 to be clamped with the first positioning groove 16, the second positioning bulge 19 can be inserted into the second positioning groove 17 to be clamped with the second positioning groove 17, at the moment, the connecting gap between the two half-half-bodies 1 is sealed, so that the leakage-proof effect is better.
The working principle is as follows:
when a maintenance person locks the two half-huf sections 1 outside the pipeline 5 through a plurality of first connecting bolts 2, the first positioning protrusion 18 is inserted into the first positioning groove 16 to be clamped with the first positioning groove 16, the second positioning protrusion 19 is inserted into the second positioning groove 17 to be clamped with the second positioning groove 17, at this time, the connecting gap between the two half-huf sections 1 is sealed, then the maintenance person hinges a linear rubber sealing strip 8 with a corresponding length on the coiled linear rubber sealing strip 8, should pay attention to oblique shearing when hinging the linear rubber sealing strip 8, after the linear rubber sealing strip 8 is placed into the first mounting groove 7 and bent along the curve of the first mounting groove 7, the shearing inclined planes at the two ends are bonded through glue to enclose a circular sealing ring (the area of the shearing plane as an inclined plane is larger than that of the shearing plane vertically hinged, the area of the coatable glue is increased, and the bonding contact surface is also increased, the bonding effect is better. ) Two spigot-and-socket joints 3 are respectively sleeved and locked at two ends of a half joint on a pipeline 5, a second connecting flange 10 on the spigot-and-socket joint 3 and a first connecting flange 6 on the half joint are gradually locked through a second connecting bolt 11, a positioning boss 9 extrudes a sealing ring to enable the sealing ring to be tightly coated on the outer wall of the pipeline 5 after diameter reduction, a gap between a sealing and packing cavity 4 and the pipeline 5 is sealed, medium leakage is prevented, and finally, a maintenance worker positions the pipeline 5 through locking a positioning bolt 13 in each connecting seat 12, and radial displacement of the pipeline 5 is prevented.
As another embodiment (third embodiment), based on the technical solution of the first or second embodiment, the sealing between the two half-half huff joints 1 may also be that a first positioning groove 16 and a second positioning protrusion 19 are formed downward on a contact surface of one half-huff joint 1 between the two half-huff joints 1, a second positioning groove 17 matched with the second positioning protrusion 19 and allowing the second positioning protrusion 19 to extend into is formed on a contact surface of the other half-huff joint 1 between the two half-huff joints 1, and a first positioning protrusion 18 capable of extending into the first positioning groove 16 is fixedly arranged on the contact surface of the other half-huff joint 1 between the two half-huff joints 1 in a position and shape matched with the first positioning groove 16.
As another embodiment (fourth embodiment), based on the technical solution of the first embodiment or the second embodiment, the positioning bolt 13 may also be a positioning bolt 13 that can be inserted into the pipeline 5, and each positioning bolt 13 is locked downward on the connecting seat 12 and penetrates into the pipeline 5, so that not only the radial positioning of the pipeline 5 but also the axial limiting of the pipeline 5 can be performed.
As another embodiment (embodiment five), based on the technical solution of the first embodiment or the second embodiment, the cross section of the middle section of the containing cavity 4 may also be equal to the diameters of the two end portions.
As another embodiment (an embodiment six), based on the technical solution of the embodiment one or the embodiment two, two end portions of the containing cavity 4 may also be different in diameter.
The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.

Claims (10)

1. Improved generation general ha fujie subassembly of leak protection, including two ha fujie halfbodies and a plurality of be used for the closure the first connecting bolt of two ha fujie halfbodies, set up the package appearance chamber that can supply the pipeline to pass through on two ha fujie halfbodies, its characterized in that: the pipe joint comprises two half-half-bodies of half bodies of, and a connecting piece is fixedly arranged at one end of the socket joint far away from the first connecting flange, and the first connecting flange is connected with the connecting piece.
2. The improved leak resistant universal huff section assembly of claim 1, wherein: the connecting piece comprises a second connecting flange, and the first connecting flange and the second connecting flange can be detachably connected through a second connecting bolt.
3. The improved leak resistant universal huff section assembly of claim 2, wherein: and one side of the second connecting flange, which is far away from the containing cavity, is fixedly provided with a plurality of connecting seats parallel to the pipeline, and positioning bolts which can be abutted against the outer wall of the pipeline or penetrate into the pipeline are arranged in the connecting seats.
4. The improved leak resistant universal huff section assembly of claim 3, wherein: one half.
5. The improved leak resistant universal huff section assembly of claim 3, wherein: one half of the two half-sections is provided with a first positioning groove and a second positioning bulge on a contact surface between the two half-sections, the other half-section is provided with a second positioning groove matched with the second positioning bulge and allowing the second positioning bulge to extend into and a first positioning bulge matched with the first positioning groove and fixedly provided with a position and a shape which can extend into the first positioning groove, and the first positioning groove and the second positioning groove are both communicated with the first mounting groove.
6. The improved leak resistant universal huff section assembly of claim 3, wherein: the two half-half-sections are provided with at least one second mounting groove on the contact surface of the two half-sections in a mirror image manner, at least one second sealing element is arranged between the two half-sections and is arranged in the second mounting groove, and the second mounting groove is communicated with the first mounting groove.
7. The improved leak resistant universal huff section assembly of any of claims 1-6, wherein: the left end part and the right end part of the two half bodies are fixedly provided with first connecting flanges, the number of the socket joints is two, and the two socket joints are respectively sleeved on the outer wall of the pipeline in a manner of being close to the two first connecting flanges.
8. The improved leak resistant universal huff section assembly of claim 7, wherein: the first sealing element is a linear sealing element, and two ends of the linear sealing element are bonded with each other.
9. The improved leak resistant universal huff section assembly of claim 1, wherein: the diameter of the middle part of the containing cavity is larger than the diameters of the two end parts.
10. The improved leak resistant universal huff section assembly of claim 1, wherein: the diameters of the two end parts of the containing cavity are equal or different.
CN202110280638.5A 2020-04-21 2021-03-16 Improved leakage-proof universal half joint assembly Pending CN112747179A (en)

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Publication number Priority date Publication date Assignee Title
CN116026535A (en) * 2023-02-16 2023-04-28 沧州广晟钢管制造有限公司 Bell and spigot joint pressurizing machine

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