CN108662316B - Drain pipe with socket joint - Google Patents
Drain pipe with socket joint Download PDFInfo
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- CN108662316B CN108662316B CN201810827689.3A CN201810827689A CN108662316B CN 108662316 B CN108662316 B CN 108662316B CN 201810827689 A CN201810827689 A CN 201810827689A CN 108662316 B CN108662316 B CN 108662316B
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- semicircular
- gland
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/035—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The application discloses a drain pipe with a socket joint. The drain pipe of this kind of socket joint includes the body, the body tip is provided with conical interface end, the interface end is connected with the screwed pipe, the socket joint has been cup jointed to the interface end, socket joint middle part is the straight tube, both ends are provided with the grafting end, grafting end and interface end are pegged graft and are connected, be provided with conical sealing washer and meet water inflation sealing strip between grafting end and the interface end, first cell body has been seted up to the straight tube surface, first cell body surface is provided with self-lubricating copper sheathing, self-lubricating copper sheathing surface both ends are provided with symmetrical swivel cap, two cylindricality grooves have been seted up along radial to the swivel cap outer lane, peg graft in two cylindricality grooves and have symmetrical connecting rod, two connecting rod other ends are connected with the same semicircle carousel middle part respectively. Through rotatory carousel, can realize the connection between the drain pipe, the installation is simple and convenient, and the conical surface crimping has excellent leakproofness for the grafting between the conventional pipeline.
Description
Technical Field
The application relates to the field of drainage pipelines, in particular to a connection mode of a drainage pipeline.
Background
To connect pipes or tubes, or bifurcated pipes, the two ends of the pipe are made into a socket and spigot (the spigot generally need not be specially made), the spigot is inserted into the socket, and then the joint is sealed, such pipes or tubing being referred to as a spigot and socket pipe. According to the technological requirements, the two ends of the pipeline can be made into bellmouth (double-bell), and the pipe fitting can be made into multiple bellmouth, or respectively made into several bellmouth or several spigot (for example double-bell single-spigot). The plastic pipeline used in municipal aspect is generally larger in diameter, and not only needs to have good strength, but also needs to resist impact force in the liquid conveying process such as water flow, and meanwhile, needs to have good sealing performance, convenient installation and the like.
Disclosure of Invention
The application aims to provide a drain pipe with a socket joint, which is convenient to install and good in sealing performance.
In order to achieve the above purpose, the application provides a drain pipe with a socket joint, which adopts the following technical scheme:
the drain pipe with the socket joint comprises a pipe body, wherein a conical joint end is arranged at the end part of the pipe body, the large end of the joint is arranged at the outer side and is connected with a threaded pipe, the threads of the threaded pipe are internal threads, and the socket joint matched with the conical shape of the joint end is inserted in the joint end;
the middle part of the bell and spigot joint is a straight pipe, symmetrical plug ends are arranged at two ends, the plug ends are conical in shape and matched with the interface ends, conical tips of the plug ends are arranged on the outer side and are in plug connection with the interface ends, the inner diameter of the conical tip parts is larger than that of a pipe body, the first sealing connection between the drain pipe and the bell and spigot joint is realized through the compression joint of conical surfaces between the interface ends and the plug ends, a first sealing groove and a second sealing groove are formed in the outer surface of the plug end of the bell and spigot joint along the circumferential direction, a conical sealing ring is arranged in the first sealing groove, and a water-swelling sealing strip is arranged in the second sealing groove, so that the conical sealing ring and the water-swelling sealing strip form a second sealing; the self-lubricating copper sleeve is characterized in that a circular-ring-shaped first groove body is formed in the outer surface of the straight pipe along the circumferential direction, a cylindrical self-lubricating copper sleeve is arranged on the surface of the first groove body and is radially divided into symmetrical semicircular rings, a plurality of countersunk holes are formed in each of the two semicircular ring-shaped self-lubricating copper sleeves, threaded holes corresponding to the countersunk holes are formed in the first groove body, the semicircular ring-shaped self-lubricating copper sleeve is connected with the straight pipe through bolts arranged in the countersunk holes, the outer surface of the self-lubricating copper sleeve is a self-lubricating surface, symmetrical adjusting mechanisms are arranged at two ends of the outer surface of the self-lubricating copper sleeve, the rotating sleeves are radially divided into symmetrical semicircular ring-shaped rotating sleeves, the semicircular ring-shaped rotating sleeves are connected with the self-lubricating copper sleeves through bolts, external threads matched with internal threads of the threaded pipe are arranged on the surface of one side of the corresponding interface end along the axial direction, and the rotating sleeves are connected with the threaded pipe through threads; the front rotary seat ring is radially divided into symmetrical semicircular front rotary seat rings, the semicircular front rotary seat rings are connected through bolts, the rear rotary seat rings are radially divided into symmetrical semicircular rear rotary seat rings, the semicircular rear rotary seat rings are connected through bolts, the end faces of the two rotary sleeves are respectively in compression joint with the outer surfaces of the front rotary seat rings and the outer surfaces of the rear rotary seat rings, the front rotary seat rings and the rear rotary seat rings are in rotary connection with the self-lubricating copper sleeve, a plurality of first circular arc grooves are uniformly distributed on the surface of the front rotary seat rings, facing the rear rotary seat rings, of the rear rotary seat rings, a second circular arc groove which is correspondingly matched with the first circular arc grooves is formed on the surface of the rear rotary seat rings, and a matched spherical rolling body is arranged between the first circular arc grooves and the corresponding second circular arc grooves; circular arc-shaped limiting grooves recessed along the circumferential direction of the inner ring are respectively formed in the inner ring surfaces of the front rotating seat ring and the rear rotating seat ring, and limiting blocks matched with the limiting grooves correspondingly are protruded on the outer surface of the self-lubricating copper sleeve along the circumferential direction; the outer ring of the rotary sleeve is provided with a cylindrical groove along the radial direction, the other side of the outer surface of the rotary sleeve, which rotates 180 degrees along the axis of the rotary sleeve, is provided with another identical cylindrical groove, symmetrical connecting rods are inserted into the two cylindrical grooves, the other ends of the two connecting rods are respectively connected with the middle parts of identical semicircular rotary tables, and the two semicircular rotary tables are symmetrically arranged and are connected into a whole circular rotary table through bolts. Through the rotating turntable, torque is transmitted to the rotating sleeve through the connecting rod, and because the rotating sleeve is rotationally connected with the self-lubricating copper sleeve, the rotating sleeve rotates, and because the rotating sleeve is in threaded connection with the internal threads of the interface end through the external threads, the rotating sleeve moves along the axis, when the rotating sleeve is screwed into the threaded pipe, the conical surface of the plug-in end of the socket joint is pushed by the rotating sleeve to be mutually tightly attached to the conical surface of the interface end, and when the rotating sleeve is screwed out of the threaded pipe, the conical surface of the plug-in end of the socket joint is pushed by the rotating sleeve to be mutually separated from the conical surface of the interface end.
The surface of the rolling body is coated with lubricating grease. The rolling bodies are coated with lubricating grease, so that good rotation performance is achieved between the rolling bodies and the front rotating seat ring and between the rolling bodies and the rear rotating seat ring.
A supporting seat is arranged between the front rotating seat ring and the rear rotating seat ring, the supporting seat is divided into symmetrical semicircular supporting seats along the radial direction, the semicircular supporting seats are connected through bolts to form a circular supporting seat and are sleeved on the surface of the self-lubricating copper sleeve, the distance between the front rotating seat ring and the rear rotating seat ring is larger than the axial length of the supporting seat, a third circular arc groove is formed in the outer surface of the supporting seat, the third circular arc groove is matched with the shape of the outer surface of the rolling body, and the rolling body is arranged in the third circular arc groove; the inner ring surfaces of the front rotating seat ring and the rear rotating seat ring are respectively provided with a first sealing ring groove along the circumferential direction, and the first sealing ring grooves are internally provided with first sealing rings which are matched. The supporting seat is used for supporting and limiting the rolling bodies, so that the socket joint structure is more stable.
The surface of the outer ring of the front rotating seat ring is connected with an annular front gland, the surface of the front gland is provided with a first annular step along the circumference in a protruding way, the first step is arranged between the front rotating seat ring and the rear rotating seat ring, the front gland is radially divided into symmetrical semicircular front gland, and the two semicircular front gland are respectively connected with the surface of the outer ring of the front rotating seat ring through bolts; the surface of the outer ring of the rear rotary seat ring is connected with an annular rear gland, the surface of the rear gland is provided with an annular second step along the circumference in a protruding way, the second step is arranged between the front rotary seat ring and the rear rotary seat ring, the rear gland is radially divided into symmetrical semicircular rear gland, and the two semicircular rear gland are respectively connected with the surface of the outer ring of the rear rotary seat ring through bolts; the surface of the first step and the surface of the second step, which faces one side of the rolling body, are provided with corresponding fourth arc grooves, gaps are arranged between the front gland and the rear gland, a plurality of grooves are formed in the surface of the first step, which faces the second step, along the circumference, a protrusion which is correspondingly matched with the grooves is formed in the surface of the second step, which faces the first step, along the circumference, a gap is formed between the grooves and the protrusions, and the grooves and the protrusions form labyrinth seal; a second sealing ring groove is formed in the surface, in contact with the surface of the outer ring of the front rotating seat ring, of the front gland, and a corresponding second sealing ring is arranged in the second sealing ring groove; the surface of the rear gland, which is contacted with the surface of the outer ring of the rear rotary seat ring, is provided with a second sealing ring groove along the circumferential direction, and a corresponding second sealing ring is arranged in the second sealing ring groove. After the drain pipe is prevented from being buried into the soil by the front gland and the rear gland, the soil is sunk between the front rotary seat ring and the rear rotary seat ring, damage is caused to the socket joint, and the boss arranged by the front gland and the rear gland is used for limiting and supporting the rolling bodies, so that the structure of the socket joint is more stable.
The inner surface of the first circular arc groove is provided with a plurality of oil grooves which are communicated with the surface of the front rotary seat ring at the side of the first circular arc groove; and a plurality of oil grooves are formed in the inner surface of the second circular arc groove and are communicated with the surface of the rear rotary seat ring at the side of the second circular arc groove. The oil groove enables grease to flow between the rolling body and the first arc groove and between the rolling body and the second arc groove, and rolling performance of the rolling body is improved.
The utility model discloses a rotary sleeve, including rotatory cover, boss tip, rotatory cover is located the cover, rotatory cover is offered along circumference towards one side of first cell body one end surface with rotatory coaxial second cell body of cover, be provided with a plurality of cylinder compression springs along the groove depth in the second cell body, the free height of cylinder compression spring is greater than the groove depth of second cell body, rotatory cover is located the surface of second cell body one side and is connected with annular spring gland, annular through-hole coaxial with spring gland has been offered to spring gland, the through-hole cross section falls in the cross section of second cell body, sliding connection has annular slide in the second cell body, slide connection has with through-hole assorted boss, boss and through-hole sliding connection stretch out to the outside of second cell body from the through-hole, boss tip surface is pressed in one side terminal surface of first cell body under the spring force effect of cylinder compression spring. The cylindrical compression spring provides the frictional force between the outer end face of the rotary sleeve and the front rotary seat ring or the rear rotary seat ring, and simultaneously provides the frictional force between the outer surface of the end part of the boss and the first groove body, so that the rotary sleeve is prevented from rotating due to the impact force of water flow after the drain pipe with the novel socket joint is buried underground.
The end face of the first groove body corresponding to the boss is provided with a concave ring groove matched with the shape of the boss, and the depth of the concave ring groove is smaller than the vertical distance from the outer surface of the spring gland to the upper surface of the boss; the boss upper surface still is provided with a plurality of arc protruding, the arc protruding frictional force that is used for reducing between boss upper surface and the ring channel surface, protruding presses in the ring channel internal surface under the pressure of cylinder compression spring. So that the resistance is smaller when the turntable is rotated.
The contact part of the two semicircular rotary sleeves extends out of the circumference to form a corresponding lug plate, one lug plate is provided with a through hole, the other corresponding lug plate is provided with a threaded hole matched with the through hole, a threaded pipe of a bolt penetrates through the through hole to be in threaded connection with the threaded hole, and the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the optical hole. The rotary sleeve is radially divided into symmetrical semicircular rings, and the structure is convenient for installation between the rotary sleeve and the first groove body.
Symmetrical lug plates are milled on two sides of a semicircular front rotary seat ring, a through hole is formed in the lug plates, threaded holes matched with the through hole correspondingly are formed in the other semicircular ring, a threaded pipe of a bolt penetrates through the through hole and is in threaded connection with the threaded holes, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the optical hole, and the outer side outline of the head of the bolt falls into a circular area formed on the outer ring surface of the front rotary seat ring;
the two sides of the rotary seat ring behind one semicircle ring are milled to form symmetrical lug plates, the lug plates are provided with through holes, the other semicircle ring is provided with threaded holes which are correspondingly matched with the through holes, a threaded pipe of the bolt penetrates through the through holes and the threaded holes to be in threaded connection, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plates at the end of the light hole, and the outer profile of the head of the bolt is in a circular area formed on the outer ring surface of the rotary seat ring. The front rotary seat ring and the rear rotary seat ring are respectively divided into symmetrical semicircular rings along the radial direction, and the structure is convenient for installation between the front rotary seat ring, the rear rotary seat ring and the first groove body.
Two sides of one semicircular supporting seat are milled with symmetrical lug plates, the lug plates are provided with through holes, the other semicircular is provided with threaded holes which are matched with the through holes correspondingly, a threaded pipe of a bolt penetrates through the through holes and is in threaded connection with the threaded holes, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plates at the end of the light hole, and the outer profile of the head of the bolt falls into a circular area formed by the outer ring surface of the front rotating seat ring. The supporting seat is radially divided into symmetrical semicircular rings, and the structure is convenient for installation between the supporting sleeve and the first groove body.
The application has the beneficial effects that: through direct rotatory carousel, can realize sealing connection between the drain pipe, the installation is simple convenient, when rotatory cover precession screwed pipe, the conical surface of socket joint's grafting end and the conical surface of interface end are closely pasted each other to rotatory cover promotion socket joint, and the conical surface crimping has excellent leakproofness for the grafting between the conventional pipeline.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is an enlarged view of part of A of FIG. 1;
FIG. 3 is an enlarged view of part B of FIG. 2;
FIG. 4 is an enlarged view of part of C of FIG. 2;
FIG. 5 is a schematic view of a socket joint structure;
FIG. 6 is a schematic view of a rotating sleeve structure;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a schematic view of a front rotating race;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic view of the rear rotating race;
FIG. 11 is a left side view of FIG. 10;
FIG. 12 is a schematic view of a support structure;
fig. 13 is a left side view of fig. 12.
The novel self-lubricating sealing device comprises a pipe body 1, a joint end 2, a threaded pipe 3, a straight pipe 4, a plug end 5, a first sealing groove 6, a second sealing groove 7, a conical sealing ring 8, a water-swelling sealing strip 9, a first groove body 10, a self-lubricating copper sleeve 11, a rotary sleeve 12, a connecting rod 13, a first arc groove 14, a second groove body 15, a cylindrical compression spring 16, a spring gland 17, a sliding plate 18, a boss 19, a concave annular groove 20, a boss 21, a front rotary seat ring 22, a rear rotary seat ring 23, a rotary table 24, an oil groove 25, a second arc groove 26, a rolling body 27, a supporting seat 28, a third arc groove 29, a first sealing ring groove 30, a first sealing ring 31, lubricating grease 32, a limiting groove 33, a limiting block 34, a front gland 35, a first step 36, a rear gland 37, a second step 38, a fourth arc groove 39, a second sealing ring groove 40, a second sealing ring 41 and a cylindrical groove 42.
Detailed Description
The present application is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the application only and not limiting the scope of the application, and that modifications of the application, which are equivalent to those skilled in the art to which the application pertains, will fall within the scope of the application as defined in the appended claims.
As shown in fig. 1-13, a drain pipe with a socket joint comprises a pipe body 1, wherein the end part of the pipe body is provided with a conical joint end 2, the large end of the joint end is arranged on the outer side and is connected with a threaded pipe 3, the threads of the threaded pipe are internal threads, and the socket joint matched with the conical shape of the joint end is inserted in the joint end; the middle part of the bell and spigot joint is a straight pipe 4, symmetrical plug ends 5 are arranged at two ends, the plug ends are conical in shape and matched with the interface end, the conical tip of the plug end is arranged on the outer side and is in plug connection with the interface end, the inner diameter of the conical tip part is larger than the inner diameter of the pipe body, the first sealing connection between the drain pipe and the bell and spigot joint is realized through the compression joint of conical surfaces between the interface end and the plug end, a first sealing groove 6 and a second sealing groove 7 are formed in the outer surface of the plug end of the bell and spigot joint along the circumferential direction, a conical sealing ring 8 is arranged in the first sealing groove, a water-swelling sealing strip 9 is arranged in the second sealing groove, and the conical sealing ring and the water-swelling sealing strip form a second sealing; the outer surface of the straight pipe is provided with a first annular groove body 10 along the circumferential direction, the surface of the first groove body is provided with a cylindrical self-lubricating copper sleeve 11, the self-lubricating copper sleeve is radially divided into symmetrical semicircular rings, two semicircular ring self-lubricating copper sleeves are respectively provided with a plurality of countersunk holes, the first groove body is provided with threaded holes corresponding to the countersunk holes, the semicircular ring self-lubricating copper sleeve is connected with the straight pipe through bolts arranged in the countersunk holes, the outer surface of the self-lubricating copper sleeve is a self-lubricating surface, two ends of the outer surface of the self-lubricating copper sleeve are provided with symmetrical adjusting mechanisms, each adjusting mechanism comprises a rotating sleeve 12 arranged on the surface of the self-lubricating copper sleeve in an annular manner, the rotating sleeve is radially divided into symmetrical semicircular ring rotating sleeves 13, corresponding lug plates extend out of the contact position of the two semicircular ring rotating sleeves along the circumferential direction, one lug plate is provided with a through hole, the other corresponding lug plate is provided with a threaded hole matched with the through hole, the threaded pipe of the bolt passes through the through hole and is in threaded connection with the threaded hole, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the optical hole, the rotary sleeve is in rotary connection with the self-lubricating copper sleeve, the outer ring surface of one side of the rotary sleeve, which faces the corresponding interface end, is provided with an external thread matched with the internal thread of the threaded pipe along the axial direction, the rotary sleeve is in threaded connection with the threaded pipe, one side of the rotary sleeve, which faces one end surface of the first groove body, is provided with a second groove body 15 coaxial with the rotary sleeve along the circumferential direction, the second groove body is internally provided with a plurality of cylindrical compression springs 16 along the groove depth, one end of each cylindrical compression spring is adhered with the groove depth of the second groove body, the free height of each cylindrical compression spring is larger than the groove depth of the second groove body, the outer surface of one side of the rotary sleeve, which is positioned on one side of the second groove body, is connected with a circular spring gland 17, the circular through hole coaxial with the spring gland is provided with the circular compression, the cross section of the through hole falls in the cross section of the second groove body, a circular sliding plate 18 is connected in the second groove body in a sliding way, a boss 19 matched with the through hole is connected in the sliding plate, the boss is connected with the through hole in a sliding way and extends out of the second groove body from the through hole, a concave ring groove 20 matched with the shape of the boss is formed in the end face of the first groove body corresponding to the boss, and the depth of the concave ring groove is smaller than the vertical distance from the outer surface of the spring gland to the upper surface of the boss; the upper surface of the boss is also provided with a plurality of arc-shaped bulges 21, the arc-shaped bulges are used for reducing the friction force between the upper surface of the boss and the surface of the annular groove, and the bulges are pressed against the bottom surface of the annular groove under the pressure of the cylindrical compression spring; an annular front rotary seat ring 22 and a rear rotary seat ring 23 sleeved on the surface of the self-lubricating copper sleeve are further arranged between the two rotary sleeves, the front rotary seat ring is radially divided into symmetrical semicircular front rotary seat rings 24, symmetrical lug plates are milled at two sides of one semicircular front rotary seat ring, through holes are formed in the lug plates, threaded holes corresponding to the through holes are formed in the other semicircular ring, a threaded pipe of a bolt penetrates through the through holes and the threaded holes to be in threaded connection, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the light hole, the outer side contour of the head of the bolt falls into a circular area formed on the outer ring surface of the front rotary seat ring, the rear rotary seat ring is radially divided into symmetrical semicircular rear rotary seat rings, symmetrical lug plates are milled at two sides of one semicircular rear rotary seat ring, through holes are formed in the lug plates, threaded holes corresponding to the through holes are formed in the other semicircular ring, the threaded pipe of the bolt penetrates through the through holes and the threaded holes to be in threaded connection, the lower surface of the bolt head is in pressure connection with the upper surface of the lug plate at the end of the light hole, the outline of the outer side of the bolt head falls in a circular area formed by the outer ring surface of the rear rotary seat ring, the end surfaces of the two rotary sleeves are respectively in pressure connection with the outer surfaces of the front rotary seat ring and the rear rotary seat ring which are respectively corresponding to each other, the front rotary seat ring and the rear rotary seat ring are in rotary connection with the self-lubricating copper sleeve, a plurality of first circular arc grooves 14 which are uniformly distributed are formed on the surface of the front rotary seat ring facing the rear rotary seat ring along the circumferential direction, a plurality of oil grooves 25 are formed on the inner surface of the first circular arc grooves, the oil grooves are communicated with the surface of the front rotary seat ring at the side of the first circular arc grooves, a second circular arc groove 26 which is correspondingly matched with the first circular arc grooves is formed on the surface of the rear rotary seat ring facing the front rotary seat ring, a plurality of oil grooves are formed on the inner surface of the second circular arc grooves and are communicated with the surface of the rear rotary seat ring at the side of the second circular arc grooves, a matched spherical rolling body 27 is arranged between the first circular arc groove and the corresponding second circular arc groove, a supporting seat 28 is arranged between the front rotary seat ring and the rear rotary seat ring, the supporting seat is divided into symmetrical semicircular supporting seats along the radial direction, symmetrical lug plates are milled on two sides of one semicircular supporting seat, a through hole is formed in each lug plate, a threaded hole which is correspondingly matched with the through hole is formed in the other semicircular ring, a threaded pipe of a bolt penetrates through the through hole and is in threaded connection with the threaded hole, the lower surface of the head of the bolt is in compression joint with the upper surface of the lug plate at the light hole end, the outer side contour of the head of the bolt falls in a circular area formed on the outer ring surface of the front rotary seat ring, the semicircular supporting seats are connected through the bolt to form a circular supporting seat ring and are sleeved on the surface of a self-lubricating copper sleeve, the distance between the front rotary seat ring and the rear rotary seat ring is larger than the axial length of the supporting seat, a third circular arc groove 29 is formed on the outer surface of the supporting seat, the third circular arc groove is matched with the outer surface shape of the rolling body, and the rolling body is arranged in the third circular arc groove; the surfaces of the inner rings of the front rotary seat ring and the rear rotary seat ring are respectively provided with a first sealing ring groove 30 along the circumferential direction, the first sealing ring grooves are internally provided with matched first sealing rings 31, and the surfaces of the rolling bodies are coated with lubricating grease 32; circular arc-shaped limit grooves 33 recessed along the circumferential direction of the inner ring are respectively formed in the inner ring surfaces of the front rotary seat ring and the rear rotary seat ring, and limit blocks 34 correspondingly matched with the limit grooves are protruded on the outer surface of the self-lubricating copper sleeve along the circumferential direction; the surface of the outer ring of the front rotary seat ring is connected with an annular front gland 35, the surface of the front gland is provided with a first annular step 36 along the circumference in a protruding way, the first step is arranged between the front rotary seat ring and the rear rotary seat ring, the front gland is radially divided into symmetrical semicircular front gland, and the two semicircular front gland are respectively connected with the surface of the outer ring of the front rotary seat ring through bolts; the surface of the outer ring of the rear rotary seat ring is connected with an annular rear gland 37, the surface of the rear gland is provided with an annular second step 38 along the circumference in a protruding way, the second step is arranged between the front rotary seat ring and the rear rotary seat ring, the rear gland is divided into symmetrical semicircular rear gland along the radial direction, and the two semicircular rear gland are respectively connected with the surface of the outer ring of the rear rotary seat ring through bolts; the surface of the first step and the surface of the second step, which faces one side of the rolling body, are provided with corresponding fourth arc grooves 39, gaps are arranged between the front gland and the rear gland, a plurality of grooves are formed in the circumference of the surface of the first step, which faces the second step, a protrusion corresponding to the grooves is formed in the circumference of the surface of the second step, which faces the first step, a gap is arranged between the grooves and the protrusions, and the grooves and the protrusions form labyrinth seal; the surface of the front gland, which is contacted with the surface of the outer ring of the front rotary seat ring, is provided with a second sealing ring groove 40 along the circumferential direction, a corresponding second sealing ring 41 is arranged in the second sealing ring groove, the surface of the rear gland, which is contacted with the surface of the outer ring of the rear rotary seat ring, is provided with a second sealing ring groove along the circumferential direction, and a corresponding second sealing ring is arranged in the second sealing ring groove; the outer ring of the rotary sleeve is provided with a cylindrical groove 42 along the radial direction, the other side of the outer surface of the rotary sleeve rotating 180 degrees along the axis of the rotary sleeve is provided with another identical cylindrical groove, symmetrical connecting rods 13 are inserted in the two cylindrical grooves, the other ends of the two connecting rods are respectively connected with the middle parts of identical semicircular rotary discs, and the two semicircular rotary discs are symmetrically arranged and are connected into a whole circular rotary disc 44 through bolts.
The specific working process and principle of the application are as follows: the socket joint is characterized in that the socket joint is arranged towards the corresponding interface end, torque is transmitted to the rotating sleeve through the connecting rod through the rotating turntable, the rotating sleeve rotates because the rotating sleeve is connected with the self-lubricating copper sleeve in a rotating mode, the rotating sleeve moves along the axis due to the fact that the rotating sleeve is connected with the internal threads of the interface end through the external threads, when the rotating sleeve is screwed into the threaded pipe, the rotating sleeve pushes the conical surface of the socket joint and the conical surface of the interface end to be mutually tightly attached, and when the rotating sleeve is screwed out of the threaded pipe, the rotating sleeve pushes the conical surface of the socket joint and the conical surface of the interface end to be mutually separated.
The conical surface compression joint has excellent sealing performance relative to the insertion connection between the conventional pipelines, the conical sealing ring and the water-swelling sealing strip at the insertion end further ensure the sealing performance between the socket joint and the drain pipe, the socket joint is directly manufactured into a finished product and then conveyed to a construction site, the socket joint and the joint end of the drain pipe can be connected in a sealing manner or separated by directly rotating the turntable, the method is simple, any drain pipe body or socket joint body does not need to be rotated, and only the turntable is required to rotate the rotary sleeve, so the method is simple and easy to implement; the front rotary seat ring, the rear rotary seat ring and the rolling bodies are arranged in the middle to prevent the two rotary sleeve ends from contacting each other, because when the inserting ends at the two ends of the socket joint are to be connected with the interface ends, the rotating directions of the two rotary tables are opposite, the inserting ends at the two ends of the socket joint can be screwed into the corresponding interface ends, if the bottoms of the two rotary sleeves are mutually abutted, when one inserting end is connected with the interface ends, the bottoms of the two rotary sleeves are connected, the rotary sleeve at the other side is rotated, and the friction force between the bottoms of the two rotary sleeves can enable the former connected rotary sleeve to reversely rotate, so that the former inserting end and the former interface end are loosened.
Claims (10)
1. A drain pipe with socket joint, includes body, its characterized in that: the end part of the pipe body is provided with a conical interface end, the large end of the interface end is arranged on the outer side and is connected with a threaded pipe, the threads of the threaded pipe are internal threads, and a socket joint matched with the conical shape of the interface end is inserted in the interface end; the middle part of the bell and spigot joint is a straight pipe, symmetrical plug ends are arranged at two ends, the plug ends are conical in shape and matched with the interface ends, conical tips of the plug ends are arranged on the outer side and are in plug connection with the interface ends, the inner diameter of the conical tip parts is larger than that of a pipe body, the first sealing connection between the drain pipe and the bell and spigot joint is realized through the compression joint of conical surfaces between the interface ends and the plug ends, a first sealing groove and a second sealing groove are formed in the outer surface of the plug end of the bell and spigot joint along the circumferential direction, a conical sealing ring is arranged in the first sealing groove, and a water-swelling sealing strip is arranged in the second sealing groove, so that the conical sealing ring and the water-swelling sealing strip form a second sealing; the self-lubricating copper sleeve is divided into symmetrical semicircular rotary sleeves in the radial direction, the semicircular rotary sleeves are connected into a whole circular rotary sleeve through bolts, the rotary sleeve is rotationally connected with the self-lubricating copper sleeve, an outer ring surface of one side of the rotary sleeve, which faces the corresponding interface end, is provided with an outer thread matched with an inner thread of the threaded pipe in the axial direction, and the rotary sleeve is connected with the threaded pipe through threads; the front rotary seat ring is radially divided into symmetrical semicircular front rotary seat rings, the semicircular front rotary seat rings are connected through bolts, the rear rotary seat rings are radially divided into symmetrical semicircular rear rotary seat rings, the semicircular rear rotary seat rings are connected through bolts, the end faces of the two rotary sleeves are respectively in compression joint with the outer surfaces of the front rotary seat rings and the outer surfaces of the rear rotary seat rings, the front rotary seat rings and the rear rotary seat rings are in rotary connection with the self-lubricating copper sleeve, a plurality of first circular arc grooves are uniformly distributed on the surface of the front rotary seat rings, facing the rear rotary seat rings, of the rear rotary seat rings, a second circular arc groove which is correspondingly matched with the first circular arc grooves is formed on the surface of the rear rotary seat rings, and a matched spherical rolling body is arranged between the first circular arc grooves and the corresponding second circular arc grooves; circular arc-shaped limiting grooves recessed along the circumferential direction of the inner ring are respectively formed in the inner ring surfaces of the front rotating seat ring and the rear rotating seat ring, and limiting blocks matched with the limiting grooves correspondingly are protruded on the outer surface of the self-lubricating copper sleeve along the circumferential direction; the outer ring of the rotary sleeve is provided with a cylindrical groove along the radial direction, the other side of the outer surface of the rotary sleeve, which rotates 180 degrees along the axis of the rotary sleeve, is provided with another identical cylindrical groove, symmetrical connecting rods are inserted into the two cylindrical grooves, the other ends of the two connecting rods are respectively connected with the middle parts of identical semicircular rotary tables, and the two semicircular rotary tables are symmetrically arranged and are connected into a whole circular rotary table through bolts.
2. A drain pipe with a socket joint as defined in claim 1, wherein: the surface of the rolling body is coated with lubricating grease.
3. A drain pipe with a socket joint as defined in claim 2, wherein: a supporting seat is arranged between the front rotating seat ring and the rear rotating seat ring, the supporting seat is divided into symmetrical semicircular supporting seats along the radial direction, the semicircular supporting seats are connected through bolts to form a circular supporting seat and are sleeved on the surface of the self-lubricating copper sleeve, the distance between the front rotating seat ring and the rear rotating seat ring is larger than the axial length of the supporting seat, a third circular arc groove is formed in the outer surface of the supporting seat, the third circular arc groove is matched with the shape of the outer surface of the rolling body, and the rolling body is arranged in the third circular arc groove; the inner ring surfaces of the front rotating seat ring and the rear rotating seat ring are respectively provided with a first sealing ring groove along the circumferential direction, and the first sealing ring grooves are internally provided with first sealing rings which are matched.
4. A drain pipe with a socket joint as defined in claim 2, wherein: the surface of the outer ring of the front rotating seat ring is connected with an annular front gland, the surface of the front gland is provided with a first annular step along the circumference in a protruding way, the first step is arranged between the front rotating seat ring and the rear rotating seat ring, the front gland is radially divided into symmetrical semicircular front gland, and the two semicircular front gland are respectively connected with the surface of the outer ring of the front rotating seat ring through bolts; the surface of the outer ring of the rear rotary seat ring is connected with an annular rear gland, the surface of the rear gland is provided with an annular second step along the circumference in a protruding way, the second step is arranged between the front rotary seat ring and the rear rotary seat ring, the rear gland is radially divided into symmetrical semicircular rear gland, and the two semicircular rear gland are respectively connected with the surface of the outer ring of the rear rotary seat ring through bolts; the surface of the first step and the surface of the second step, which faces one side of the rolling body, are provided with corresponding fourth arc grooves, gaps are arranged between the front gland and the rear gland, a plurality of grooves are formed in the surface of the first step, which faces the second step, along the circumference, a protrusion which is correspondingly matched with the grooves is formed in the surface of the second step, which faces the first step, along the circumference, a gap is formed between the grooves and the protrusions, and the grooves and the protrusions form labyrinth seal; a second sealing ring groove is formed in the surface, in contact with the surface of the outer ring of the front rotating seat ring, of the front gland, and a corresponding second sealing ring is arranged in the second sealing ring groove; the surface of the rear gland, which is contacted with the surface of the outer ring of the rear rotary seat ring, is provided with a second sealing ring groove along the circumferential direction, and a corresponding second sealing ring is arranged in the second sealing ring groove.
5. A drain pipe with a socket joint as defined in claim 4, wherein: the inner surface of the first circular arc groove is provided with a plurality of oil grooves which are communicated with the surface of the front rotary seat ring at the side of the first circular arc groove; and a plurality of oil grooves are formed in the inner surface of the second circular arc groove and are communicated with the surface of the rear rotary seat ring at the side of the second circular arc groove.
6. A drain pipe with a socket joint as defined in claim 1, wherein: the utility model discloses a rotary sleeve, including rotatory cover, boss tip, rotatory cover is located the cover, rotatory cover is offered along circumference towards one side of first cell body one end surface with rotatory coaxial second cell body of cover, be provided with a plurality of cylinder compression springs along the groove depth in the second cell body, the free height of cylinder compression spring is greater than the groove depth of second cell body, rotatory cover is located the surface of second cell body one side and is connected with annular spring gland, annular through-hole coaxial with spring gland has been offered to spring gland, the through-hole cross section falls in the cross section of second cell body, sliding connection has annular slide in the second cell body, slide connection has with through-hole assorted boss, boss and through-hole sliding connection stretch out to the outside of second cell body from the through-hole, boss tip surface is pressed in one side terminal surface of first cell body under the spring force effect of cylinder compression spring.
7. A drain pipe with a socket joint as defined in claim 6, wherein: the end face of the first groove body corresponding to the boss is provided with a concave ring groove matched with the shape of the boss, and the depth of the concave ring groove is smaller than the vertical distance from the outer surface of the spring gland to the upper surface of the boss; the boss upper surface still is provided with a plurality of arc protruding, the arc protruding frictional force that is used for reducing between boss upper surface and the ring channel surface, protruding presses in the ring channel internal surface under the pressure of cylinder compression spring.
8. A drain pipe with a socket joint as defined in claim 1, wherein: the contact part of the two semicircular rotary sleeves extends out of the circumference to form a corresponding lug plate, one lug plate is provided with a through hole, the other corresponding lug plate is provided with a threaded hole matched with the through hole, a threaded pipe of a bolt penetrates through the through hole to be in threaded connection with the threaded hole, and the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the optical hole.
9. A drain pipe with a socket joint as defined in claim 1, wherein: symmetrical lug plates are milled on two sides of a semicircular front rotary seat ring, a through hole is formed in the lug plates, threaded holes matched with the through hole correspondingly are formed in the other semicircular ring, a threaded pipe of a bolt penetrates through the through hole and is in threaded connection with the threaded holes, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plate at the end of the optical hole, and the outer side outline of the head of the bolt falls into a circular area formed on the outer ring surface of the front rotary seat ring;
the two sides of the rotary seat ring behind one semicircle ring are milled to form symmetrical lug plates, the lug plates are provided with through holes, the other semicircle ring is provided with threaded holes which are correspondingly matched with the through holes, a threaded pipe of the bolt penetrates through the through holes and the threaded holes to be in threaded connection, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plates at the end of the light hole, and the outer profile of the head of the bolt is in a circular area formed on the outer ring surface of the rotary seat ring.
10. A drain pipe with a socket joint as defined in claim 3, wherein: two sides of one semicircular supporting seat are milled with symmetrical lug plates, the lug plates are provided with through holes, the other semicircular is provided with threaded holes which are matched with the through holes correspondingly, a threaded pipe of a bolt penetrates through the through holes and is in threaded connection with the threaded holes, the lower surface of the head of the bolt is in pressure connection with the upper surface of the lug plates at the end of the light hole, and the outer profile of the head of the bolt falls into a circular area formed by the outer ring surface of the front rotating seat ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827689.3A CN108662316B (en) | 2018-07-25 | 2018-07-25 | Drain pipe with socket joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827689.3A CN108662316B (en) | 2018-07-25 | 2018-07-25 | Drain pipe with socket joint |
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| Publication Number | Publication Date |
|---|---|
| CN108662316A CN108662316A (en) | 2018-10-16 |
| CN108662316B true CN108662316B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827689.3A Active CN108662316B (en) | 2018-07-25 | 2018-07-25 | Drain pipe with socket joint |
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| CN (1) | CN108662316B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109630774B (en) * | 2019-01-30 | 2020-07-03 | 重庆科创职业学院 | High-strength threaded joint |
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| Publication number | Publication date |
|---|---|
| CN108662316A (en) | 2018-10-16 |
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