CN103388717A - Pipe joint - Google Patents
Pipe joint Download PDFInfo
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- CN103388717A CN103388717A CN2012102155525A CN201210215552A CN103388717A CN 103388717 A CN103388717 A CN 103388717A CN 2012102155525 A CN2012102155525 A CN 2012102155525A CN 201210215552 A CN201210215552 A CN 201210215552A CN 103388717 A CN103388717 A CN 103388717A
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- seal ring
- fittings body
- nut end
- end cap
- pipe
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Abstract
The invention relates to a pipe joint which is widely applicable to the building, the chemical industry and the like, in particular to a pipe joint for an underground pipeline. One technical scheme is as follows: the pipe joint comprises a joint body, two nut end covers, two nut end cover gaskets, two seal rings, two seal ring gaskets and at least two connecting rods; pipe screw threads matched with the nut end covers are arranged on the surfaces of outer rings arranged at two ends of the joint body; the joint body is internally provided with two limit bodies; a through hole is arranged on each nut end cover, and a pipe to be connected can penetrate through the through hole; one end of the pipe to be connected is provided with a connecting hole; each connecting rod comprises a rod part and a claw part, each claw part is respectively inserted into the connecting holes of two sections of pipes to be connected, and the two sections of pipes to be connected are connected with each other. The axial length of the connecting hole of the pipe to be connected is greater than the homodromous width of the claw part of each connecting rod, so that a certain axial moving distance is available after the pipe to be connected is installed, therefore, the pipe joint is earthquake resistant, expansion and contraction resistant, and impact force resistant.
Description
Technical field
The present invention relates to a kind of pipe joint, be widely used in building, chemical industry etc.Be particularly related to a kind of pipe joint under ground piping, this invention leaves the extendable room of certain pipeline, makes pipeline improve the ability of antiseismic, anti-impact force, the swollen shrinkage of heat resistanceheat resistant.
Background technique
In prior art, the connection of under ground piping generally adopts sleeve pipe to connect or flange connects, and, although sealing effect is pretty good, in actual use, still has following problem:
First: existing pipe joint, at the joint end with pipeline, is mutually to be spirally connected with internal and external screw thread, but in the process of operator's assembling, its center line can be offset.
Second; Pipeline is installed need to ask the professional and technical personnel.
The 3rd; Flange connects needs welding.
The 4th; Existing pipe connects, and, when running into earthquake or the power or while expanding with heat and contract with cold of being hit, is easy to be damaged.
Summary of the invention
The objective of the invention is, solve the defect that existing pipe connects, provide a kind of installations quick, and energy is antiseismic, the pipe joint of anti-impact force, the swollen shrinkage of heat resistanceheat resistant.
For solving the problems of the technologies described above, technological scheme one of the present invention thes contents are as follows:
A kind of pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads and two seal rings, two seal ring pads; It is characterized in that: the surface of described fittings body end is provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with at least two limit bodies; The cross section at described limit body place is the annulus that interior ring has several breach; Described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, for waiting to take over, passes; Be axially arranged with some rows projection near end face described to be taken over, the row of projection, row's spacing are complementary with quantity, the spacing of limit body, quantity, shape and the position distribution of every row's projection just and the breach on described limit body be complementary; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size is complementary with shape and the size of the internal surface of the fittings body end of putting into seal ring.
During installation, an end to be taken over passes the nut end cap successively, nut end cap pad, seal ring, seal ring pad.Then, near processing projection end face to be taken over.Processing projection, method that can the extruding of employing equipment, or weld metal piece, or riveted joint after punching, or adopt the mode such as bolt nut connection after punching.Then, projection to be taken over is inserted between the limit body of fittings body, and rotates to an angle, make and wait that the projection of taking over is stuck between limit body.Another connecting means to be taken over is the same.Distance between described limit body is reserved with certain pipeline extension activity space, makes wait taking over after installation, and certain displacement distance is axially arranged.
Technological scheme two of the present invention thes contents are as follows:
A kind of pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint has two connecting rods at least; Described connecting rod comprises bar section and two claws; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with two limit bodies, the cross section at limit body place is the annulus that interior ring has several breach, and described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected, and described nut end cap is provided with a through hole, for waiting to take over, passes; The outer surface of the internal surface in described fittings body stage casing and the bar section of connecting rod, two surface of contact match each other; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size is complementary with shape and the size of the internal surface of the fittings body end of putting into seal ring; Be provided with attachment hole or connecting groove near end face described to be taken over; Described claw inserts respectively in two sections attachment holes or connecting groove to be taken over, and two sections is waited to take over couple together.The internal surface in the stage casing of described fittings body plays the position-limiting action of the bar section of connecting rod, prevents that the claw of connecting rod breaks away from attachment hole to be taken over or connecting groove., for firmly, between the bar section of connecting rod and claw, stiffening rib is set.
During installation, processing attachment hole or connecting groove near end face to be taken over.Then, processing end to be taken over passes the nut end cap successively, nut end cap pad, seal ring, seal ring pad, fittings body.Also process attachment hole or connecting groove near another end face to be taken over, then, the processing end passes nut end cap, nut end cap pad, seal ring, seal ring pad successively.Then, connecting two with connecting rod waits to take over.Then, fittings body is moved to above connecting rod, made connecting rod between two limit bodies of fittings body.Then, fittings body is rotated to an angle, connecting rod is blocked in limit body.The axial length of described attachment hole or connecting groove, greater than the width in the same way of described claw, makes wait taking over after installation, and certain displacement distance is axially arranged.
Technological scheme three of the present invention thes contents are as follows:
A kind of pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint has at least two to connect cover; Described connection cover comprises bar section and two cover sections; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap, in the cavity in described fittings body stage casing, is provided with two limit bodies, and the cross section at limit body place is the annulus that interior ring has several breach, and described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, and this through hole passes for waiting to take over; The outer surface of the internal surface in described fittings body stage casing and the bar section that is connected cover, two surface of contact match each other; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size is complementary with shape and the size of the internal surface of the fittings body end of putting into seal ring; Be provided with semicircle or annular connecting groove near end face to be taken over; Described cover section snaps in respectively in two sections connecting grooves to be taken over, and two sections is waited to take over couple together; The internal surface in the stage casing of described fittings body plays the position-limiting action of the bar section that connects cover, prevents that the cover section that connects cover breaks away from connecting groove to be taken over.Described cover section and connecting groove to be taken over, two surface of contact match each other., for firmly, between the bar section of connection cover and cover section, stiffening rib is set.
During installation, near processing connecting groove end face to be taken over (semicircle or annular).Then, processing end to be taken over passes the nut end cap successively, nut end cap pad, seal ring, seal ring pad, fittings body.Also process connecting groove (semicircle or annular) near another end face to be taken over, then, the processing end passes nut end cap, nut end cap pad, seal ring, seal ring pad successively.Then, wait to take over connecting two of cover connections.Then, fittings body is moved to and connected above cover, make and connect cover between two limit bodies of fittings body.Then, fittings body is rotated to an angle, make to connect to cover in limit body and block.The axial length of described connecting groove, greater than the width in the same way of described cover section, makes wait taking over after installation, and certain displacement distance is axially arranged.
Technological scheme four of the present invention thes contents are as follows:
A kind of pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint also comprises two pipe boxes; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with at least two limit bodies; The cross section at described limit body place is the annulus that interior ring has several breach; Described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, for waiting to take over, passes; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size is complementary with shape and the size of the internal surface of the fittings body end of putting into seal ring; Described pipe box is spirally connected with pipe thread with treating adapter; Described pipe box outer surface is axially arranged with some rows projection, and the row of projection, row's spacing are complementary with quantity, the spacing of limit body, quantity, shape and the position distribution of every row's projection just and the breach on described limit body be complementary;
During installation, near machining screw end face to be taken over, then, processing end to be taken over passes the nut end cap successively, nut end cap pad, seal ring, seal ring pad.Then, tube and tube cover waiting is spirally connected.Then, pipe box is inserted between the limit body of fittings body, and rotates to an angle, the projection on pipe box is stuck between limit body.Another connecting means to be taken over is the same.Distance between described limit body is reserved with certain pipeline extension activity space, makes wait taking over after installation, and certain displacement distance is axially arranged.
Technological scheme one and the described pipe joint of technological scheme four, its fittings body open amount can be in theory and are not less than any positive integer of 2, and such as pipe joint need connect 3 sections when taking over, the fittings body open amount is just 3.That is to say that technological scheme one and the described pipe joint of technological scheme four are applicable to many siphunculus.Practical application is the fittings body of 2 or 3 openings comparatively widely.Technological scheme two and the described pipe joint of technological scheme three, also applicable to many siphunculus.When open amount was even number, each opening end had a limit body, and connecting rod or connection cover are arranged in two limit bodies; When open amount is odd number, wherein there is an opening end that two limit bodies are arranged, connecting rod or connect pawl of cover or cover connects and waits to take over, another pawl or cover are stuck on limit body, connecting rod or connect cover and be arranged in limit body.
The present invention has the following advantages:
One, pipeline is installed more convenient and quicker, and is easy to maintenance, and maintenance cost is low.
Two, leave certain pipeline extension space, antiseismic, anti-impact force, the swollen shrinkage of heat resistanceheat resistant.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representation;
Fig. 3 is embodiment 3 structural representation;
Fig. 4 is embodiment 4 structural representation;
Fig. 5 is that in Fig. 1, Fig. 3,7 master looks generalized section and schematic diagram is looked on a left side;
Fig. 6 is that in Fig. 1, Fig. 3,3 master looks generalized section and schematic diagram is looked on a left side;
Fig. 7 is that in Fig. 2, Fig. 4,7 master looks generalized section and schematic diagram is looked on a left side;
Fig. 8 is that in Fig. 2, Fig. 4,3 master looks generalized section and schematic diagram is looked on a left side;
Fig. 9 is that in Fig. 2,8 master looks schematic diagram and schematic diagram is looked on a left side;
Figure 10 is that in Fig. 3,8 master looks schematic diagram and schematic diagram is looked on a left side;
Figure 11 is 5 main TV structure schematic diagram and left TV structure schematic diagram in Fig. 1, Fig. 2, Fig. 3, Fig. 4;
Figure 12 is 4 main TV structure schematic diagram and left TV structure schematic diagram in Fig. 1, Fig. 2, Fig. 3, Fig. 4;
Figure 13 is 6 main TV structure schematic diagram and left TV structure schematic diagram in Fig. 1, Fig. 2, Fig. 3, Fig. 4;
Figure 14 is that in Fig. 4,2 master looks generalized section and left TV structure schematic diagram.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is further described.
Embodiment 1: with reference to figure 1, Fig. 5, Fig. 6, Figure 11, Figure 12, Figure 13.
A kind of pipe joint, comprise a fittings body 7, two nut end caps 3, two nut end cap pads 4 and 5, two seal ring pads 6 of two seal rings; It is characterized in that: the internal surface of described fittings body 7 ends is provided with the internal thread 71 that is complementary with nut end cap 3; In the cavity in described fittings body 7 stage casings, be provided with two limit bodies 72; The cross section at described limit body 72 places is the annulus that interior ring has two breach 75; Described breach 75 is uniformly distributed; The outside thread 31 of described nut end cap 3 is spirally connected with the internal thread 71 of fittings body 7; Described nut end cap 3 is provided with a through hole, for waiting to take over 1, passes; Described have two projections 11 near waiting to take over 1 end face, the shape of projection 11 and position distribution just with described limit body on breach be complementary; The material of described seal ring 5 adopts rubber.The internal diameter of described seal ring 5 is consistent with the external diameter of waiting to take over 1; The shape of the outer surface of described seal ring 5, size is complementary with shape and the size of the internal surface of fittings body 7 ends of putting into seal ring 5.
During installation, wait to take over an end of 1 and pass successively nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6.Then, wait to take near processing projection 11 1 end face.Processing projection 11 can the extruding of employing equipment method, or weld metal piece, or riveted joint after punching, or adopt the mode such as bolt nut connection after punching.Then, the projection 11 of waiting to take over 1 is inserted between the limit body 72 of fittings body 7, and rotates to an angle, the projection 11 of waiting to take on 1 is stuck between limit body 72.It is the same that another waits to take over 1 connecting means.Distance between described limit body 72 is reserved with certain pipeline extension activity space, makes wait taking over 1 after installation, and certain displacement distance is axially arranged.
Embodiment 2: with reference to figure 2, Fig. 7, Fig. 8, Fig. 9, Figure 11, Figure 12, Figure 13.
A kind of pipe joint, comprise a fittings body 7, two nut end caps 3,5, two seal ring pads 6 of 4, two seal rings of two nut end cap pads; It is characterized in that: described pipe joint has two connecting rods 8; Described connecting rod 8 comprises bar section 81 and two claws 82; The outer surface of described fittings body 7 ends, be provided with the outside thread 74 that is complementary with nut end cap 3; In the cavity in described fittings body 7 stage casings, be provided with two limit bodies 72, the cross section at limit body 72 places is the annulus that interior ring has two breach 75, and described breach 75 is uniformly distributed; Described nut end cap 3 is spirally connected with the outside thread 74 of fittings body 7, and described nut end cap 3 is provided with a through hole, for waiting to take over 1, passes; The internal surface 73 at described fittings body 7 middle parts and the outer surface of bar section 81, two surface of contact are to match each other, and all are arc surface; The material of described seal ring 5 adopts rubber; The internal diameter of described seal ring 5 is consistent with the external diameter of waiting to take over 1; The shape of the outer surface of described seal ring 5, size is complementary with shape and the size of the internal surface of fittings body 7 ends of putting into seal ring 5; Describedly be provided with attachment hole 12 near waiting to take over 1 end face; Described claw 82 inserts respectively two sections and waits to take in 1 attachment hole 12, waits to take over 1 with two sections and couples together.The internal surface 73 in the stage casing of described fittings body 7 plays the position-limiting action of the bar section 81 of connecting rod 8, and the claw 82 that prevents connecting rod 8 breaks away from waits to take over 1 attachment hole 12., for firmly, between the bar section 81 of connecting rod 8 and claw 82, stiffening rib 83 is set.
During installation, wait to take near 1 the processing of end face attachment hole 12.Then, wait to take over 1 processing end and pass successively nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6, fittings body 7.Another also processes attachment hole 12 near waiting to take over 1 end face, and then, the processing end passes nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6 successively.Then, connect two with connecting rod 8 and wait to take over 1.Then, fittings body 7 is moved to above connecting rod 8, made connecting rod 8 between two limit bodies 72 of fittings body 7.Then, fittings body 7 is rotated to an angle, connecting rod 8 is blocked in limit body 72.The axial length of described attachment hole 12, greater than the width in the same way of described claw 82, makes wait taking over 1 after installation, and certain displacement distance is axially arranged.
Embodiment 3: with reference to figure 3, Fig. 5, Fig. 6, Figure 10, Figure 11, Figure 12, Figure 13.
A kind of pipe joint, comprise a fittings body 7, two nut end caps 3, two nut end cap pads 4, two seal rings 5, two seal ring pads 6; It is characterized in that: described pipe joint also comprises that two connect cover; Described connection cover 8 comprises bar section 81 and two cover sections 82,7 liang of end surfaces of described fittings body, be provided with the internal thread 71 that is complementary with nut end cap 3, in the cavity in described fittings body stage casing, be provided with two limit bodies 72, the cross section at limit body 72 places is the annulus that interior ring has two breach 75, and described breach 75 is uniformly distributed; Described nut end cap 3 is spirally connected with the internal thread 71 of fittings body 7; Described nut end cap 3 is provided with a through hole, and this through hole passes for waiting to take over 1; The internal surface 73 in described fittings body 7 stage casings and the outer surface that is connected cover 8, two surface of contact are to match each other, and all are arc surface; The material of described seal ring 5 adopts rubber; The internal diameter of described seal ring 5 is consistent with the external diameter of waiting to take over 1; The shape of the outer surface of described seal ring 5, size is complementary with shape and the size of the internal surface of fittings body 7 ends of putting into seal ring 5; Describedly be provided with annular connecting groove 13 near waiting to take over 1 end face; Described cover section 82 snaps in respectively two sections and waits to take in 1 connecting groove 13, waits to take over 1 with two sections and couples together; The internal surface 73 in the stage casing of described fittings body 7 plays the position-limiting action of the bar section 81 that connects cover 8, and the cover section 82 that prevents from connecting cover 8 breaks away from and waits to take over 1 connecting groove 13., for firmly, between the bar section 81 of connection cover 8 and cover section 82, stiffening rib 83 is set.
During installation, wait to take near 1 the annular connecting groove 13 of the processing of end face.Then, wait to take over 1 processing end and pass successively nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6, fittings body 7.Another also processes annular connecting groove 13 near waiting to take over 1 end face, and then, the processing end passes nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6 successively.Then, wait to take over 1 with connecting cover 8 two of connections.Then, fittings body 7 is moved to and connected above cover 8, make and connect cover 8 between two limit bodies 72 of fittings body 7.Then, fittings body 7 is rotated to an angle, connection cover 8 is blocked between limit body 72.The axial length of described connecting groove 13, greater than the width in the same way of described cover section 82, makes wait taking over 1 after installation, and certain displacement distance is axially arranged.
Embodiment 4: with reference to figure 4, Fig. 7, Fig. 8, Figure 11, Figure 12, Figure 13, Figure 14.
A kind of pipe joint, comprise a fittings body 7, two nut end caps 3,5, two seal ring pads 6 of 4, two seal rings of two nut end cap pads; It is characterized in that: described pipe joint also comprises two pipe boxes 2; The outer surface of described fittings body 7 ends, be provided with the outside thread 74 that is complementary with nut end cap 3; In the cavity in described fittings body 7 stage casings, be provided with two limit bodies 72; The cross section at described limit body 72 places is the annulus that interior ring has two breach 75; Described breach 75 is uniformly distributed; Described nut end cap 3 is spirally connected with the outside thread 74 of fittings body 7; Described nut end cap 3 is provided with a through hole, for waiting to take over 1, passes; The material of described seal ring 5 adopts rubber; The internal diameter of described seal ring 5 is consistent with the external diameter of waiting to take over 1; The shape of the outer surface of described seal ring 5, size is complementary with shape and the size of the internal surface of fittings body 7 ends of putting into seal ring 5; The internal thread 22 of described pipe box 2 is spirally connected with the outside thread 14 of waiting to take over 1; Described pipe box 2 outer surfaces have two projections 21, and projection 21 is uniformly distributed, the shape of projection 21 and position distribution just with described limit body 72 on breach 75 be complementary;
During installation, wait to take over an end threading 14 of 1, then, pass successively nut end cap 3, nut end cap pad 4, seal ring 5, seal ring pad 6.Then, be spirally connected with pipe box 2 waiting to take over 1.Then, the projection 21 of pipe box 2 is inserted between the limit body 72 of fittings body 7, and rotates to an angle, the projection 21 of pipe box 2 is stuck between limit body 72.It is the same that another waits to take over 1 connecting means.Distance between described limit body 72 is reserved with certain pipeline extension activity space, makes wait taking over 1 after installation, and certain displacement distance is axially arranged.
Claims (8)
1. a pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads and two seal rings, two seal ring pads; It is characterized in that: the surface of described fittings body end is provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with at least two limit bodies; The cross section at described limit body place is the annulus that interior ring has several breach; Described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, for waiting to take over, passes; Be axially arranged with some rows projection near end face described to be taken over, the row of projection, row's spacing are complementary with quantity, the spacing of limit body, quantity, shape and the position distribution of every row's projection just and the breach on described limit body be complementary; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size matches each other with shape and the size of the internal surface of the fittings body end of putting into seal ring; Distance between described limit body is reserved with certain pipeline extension activity space.
2. a pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint has two connecting rods at least; Described connecting rod comprises bar section and claw; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with two limit bodies, the cross section at limit body place is the annulus that interior ring has several breach, and described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected, and described nut end cap is provided with a through hole, for waiting to take over, passes; The outer surface of the internal surface in described fittings body stage casing and the bar section of connecting rod, two surface of contact match each other; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size matches each other with shape and the size of the internal surface of the fittings body end of putting into seal ring; Be provided with attachment hole or connecting groove near end face described to be taken over; Described claw inserts respectively in two sections attachment holes or connecting groove to be taken over, and two sections is waited to take over couple together; The internal surface in the stage casing of described fittings body plays the position-limiting action of the bar section of connecting rod, prevents that the claw of connecting rod breaks away from attachment hole to be taken over or connecting groove.The axial length of described attachment hole or connecting groove, greater than the width in the same way of described claw, makes wait taking over after installation, and certain displacement distance is axially arranged.Distance between described limit body is reserved with certain pipeline extension activity space.
3. a pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint has at least two to connect cover; Described connection cover comprises bar section and cover section; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap, in the cavity in described fittings body stage casing, is provided with two limit bodies, and the cross section at limit body place is the annulus that interior ring has several breach, and described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, and this through hole passes for waiting to take over; The outer surface of the internal surface in described fittings body stage casing and the bar section that is connected cover, two surface of contact match each other; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size matches each other with shape and the size of the internal surface of the fittings body end of putting into seal ring; Be provided with semicircle or annular connecting groove near end face described to be taken over; Described cover section snaps in respectively in two sections connecting grooves to be taken over, and two sections is waited to take over couple together; The internal surface in the stage casing of described fittings body plays the position-limiting action of the bar section that connects cover, prevents that the cover section that connects cover breaks away from connecting groove to be taken over.The axial length of described connecting groove, greater than the thickness in the same way that connects cover cover section, makes wait taking over after installation, and certain displacement distance is axially arranged.Distance between described limit body is reserved with certain pipeline extension activity space.
4. a pipe joint, comprise a fittings body, two nut end caps, two nut end cap pads, two seal rings, two seal ring pads; It is characterized in that: described pipe joint also comprises two pipe boxes; The surface of described fittings body end, be provided with the pipe thread that is complementary with the nut end cap; In the cavity in described fittings body stage casing, be provided with at least two limit bodies; The cross section at described limit body place is the annulus that interior ring has several breach; Described breach is uniformly distributed; The pipe thread of described nut end cap and fittings body is spirally connected; Described nut end cap is provided with a through hole, for waiting to take over, passes; The material of described seal ring adopts rubber or special material; The internal diameter of described seal ring is consistent with external diameter to be taken over; The shape of the outer surface of described seal ring, size matches each other with shape and the size of the internal surface of the fittings body end of putting into seal ring; Described pipe box is spirally connected with pipe thread with treating adapter; Described pipe box outer surface is axially arranged with some rows projection, and the row of projection, row's spacing are complementary with quantity, the spacing of limit body, quantity, shape and the position distribution of every row's projection just and the breach on described limit body be complementary; Distance between described limit body is reserved with certain pipeline extension activity space.
5. claim 1,2,3,4 arbitrary described pipe joints is characterized in that: the pipe thread of described fittings body end can be on internal surface, also can be on the outer surface.
6. claim 2,3 arbitrary described pipe joints, it is characterized in that: described connecting rod can be telescopic.
7. claim 1,4 arbitrary described pipe joints is characterized in that: the open amount of the fittings body of described pipe joint is two or more.
8. claim 2,3 arbitrary described pipe joints is characterized in that: (when open amount was even number, each opening end had a limit body to the open amount of described fittings body, connecting rod or connect cover and be arranged in two limit bodies for two or more; When open amount is odd number, wherein have an opening end that two limit bodies are arranged, connecting rod or connect pawl of cover or cover connects and waits to take over, another pawl or cover are stuck on limit body, connecting rod or connect cover and be arranged in limit body).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102155525A CN103388717A (en) | 2012-05-10 | 2012-06-27 | Pipe joint |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220206958.2 | 2012-05-10 | ||
| CN201220206958 | 2012-05-10 | ||
| CN2012102155525A CN103388717A (en) | 2012-05-10 | 2012-06-27 | Pipe joint |
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| Publication Number | Publication Date |
|---|---|
| CN103388717A true CN103388717A (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102155525A Pending CN103388717A (en) | 2012-05-10 | 2012-06-27 | Pipe joint |
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| CN (1) | CN103388717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482073A (en) * | 2019-01-28 | 2020-08-04 | 南京定环新能源科技有限公司 | Temperature-reducing spraying system for accidents of waste incineration deacidification tower |
-
2012
- 2012-06-27 CN CN2012102155525A patent/CN103388717A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482073A (en) * | 2019-01-28 | 2020-08-04 | 南京定环新能源科技有限公司 | Temperature-reducing spraying system for accidents of waste incineration deacidification tower |
| CN111482073B (en) * | 2019-01-28 | 2024-03-29 | 南京定环新能源科技有限公司 | Temperature-reducing spraying system for accident of waste incineration deacidification tower |
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Application publication date: 20131113 |