CN2320871Y - Pipe jointing device - Google Patents

Abstract

The utility model discloses a pipeline connecting device, which belongs to the pipeline connecting technology. The utility model is composed of pipes 1, 7, a sleeve pipe 4, locking lugs 2, 6, a connecting component 3 and sealing rings 5, 13. The utility model is characterized in that the locking lugs 2, 6 are in an annular shape and are respectively sheathed on the connecting pipes 1, 7. A sealing groove 12 is arranged on the pipe 1 and a sealing groove 9 is arranged on the pipe 7. The utility model has the advantages of simple structure, easy pipeline connection and disassembly, material saving, convenient operation, good sealing performance, etc. The utility model is suitable for the connection of high-pressure, middle-pressure and low-pressure pipes made from various raw materials.

Description

Pipeline connecting device

The utility model relates to a kind of pipeline connecting device, metal conduit connection technique field.

Existing pipeline connecting device also has structure simpler except that scyewed joint, welding, flange connect, and connects pipe coupler easily, is that 95234047.7 pipe coupler is exactly wherein a kind of as the patent No..But because the lock ear is fixed, lead to after two pipes connect again and press, its joint connects as one firmly, at this moment locks ear and closely touches mutually with pipe box.In case there is an intervalve to damage, need to change, think directly this pipe to be unloaded, be difficult to accomplish, but need to dismantle gradually from an end, time-consuming until the pipe that this root need change, effort.Secondly, owing to establish seal groove on pipe box, then pipe box must enough thickly just can reach requirement, and waste of material is more.

The purpose of this utility model provides a kind of simple in structure, and connection, convenient disassembly are saved raw material, the pipeline connecting device of applied range.

The purpose of this utility model reaches by the following technical programs.

This pipeline connecting device, by pipe 1,7, be sleeved on the sleeve pipe 4 of ends of tubes, be positioned at the lock ear 2,6 at these sleeve pipe two end part, the link 3 and the seal ring 5,13 that connect two lock ears are formed, and its special way is, described lock ear 2,6 is a ring-type, be set on the pipe 1,7, the seal groove 12 at seal ring 13 places is located on the pipe 1, and the seal groove 9 at seal ring 5 places is located on the pipe 7.

One of preferred version is, the seal groove 12 of pipe on 1 formed by interior projection 11 that is located at this tube end outer surface and arranges along circumference and the groove between the outer projection 14, manage on 7 seal groove 9 by the interior projection 10 that is located at this tube end outer surface and arranges along circumference and outside groove between the projection 8 form.

Two of preferred version is, the seal groove 12 on the pipe 1 is formed by the trough of pipe 1 end corrugation pipe, and the seal groove 12 on the pipe 7 is formed by the trough of managing 7 end corrugation pipes.

Lock ear 2,6 and pipe 1,7 to cooperate be Spielpassung, the lock ear can be N (N 〉=2) with the tie point of link 3, thus correspondence N link 3.Ordinary circumstance, pressure are big more, and tie point is many more, and the caliber of pipe 1,7 is big more, and tie point is many more.Seal ring 5,13 can be the O RunddichtringO, also can be V-shaped seal ring, can also be the combination of an O RunddichtringO and a V-shaped seal ring.The material of this coupling arrangement can be a metal, plastics etc.Link 3 can be tabular as required, and chain is shaft-like etc.

Because lock ear of the present utility model is a ring-type, they are sleeved on the connected tube, therefore, can on pipe, slide, in case connected tube need be changed, after then removing the link between the two lock ears, can make two lock ears leave sleeve pipe, mobile sleeve pipe moves its other end to pipe, and sleeve pipe breaks away from seal ring, thereby two pipes are separated, reached the purpose of coupled pipe for convenience detach.Because of seal groove is located on the pipe, both saved the material of making sleeve pipe again, returned processing and brought convenience.This coupling arrangement is not limited by the pipeline working pressure, and the high, medium and low voltage pipeline all can satisfy use, and working pressure can reach the withstand voltage degree of tubing itself, both can be used for permanent pipeline and has connected, and can be used for temporary pipeline yet and connects.Can adorn, tear open, move, not damage pipe part; Have free Telescopic, pipeline expansion mechanism that need not be special, for the sparse bigger tubing that expands, as plastic tube, particularly suitable; Be not subjected to the tubing materials limitations, metal and nonmetal tubing all can use; Use unrestrictedly, can be widely used in the piping engineering of mine, oil field, chemical industry, medicine, building, tap water, agricultural irrigation, large-scale field construction and telecommunications etc.

The explanation of accompanying drawing drawing;

An embodiment's of Fig. 1-the utility model structural representation.

The A-A sectional view of Fig. 2-Fig. 1.

Second embodiment's of Fig. 3-the utility model structural representation.

The A-A sectional view of Fig. 4-Fig. 3.

The 3rd embodiment's of Fig. 5-the utility model structural representation.

The A-A sectional view of Fig. 6-Fig. 5.

The 4th embodiment's of Fig. 7-the utility model structural representation.

The A-A sectional view of Fig. 8-Fig. 7.

Provide embodiment of the present utility model below in conjunction with accompanying drawing, be used for further specifying technical solution.

Embodiment 1, with reference to figure 1-Fig. 2.Manage and evenly welded interior projection 11 and outer projection 14 on the 1 end appearance circumference, the groove of the two formation is a seal groove 12, and O RunddichtringO 13 is positioned at it, and outer projection 14 plays position-limiting action simultaneously.Equally, evenly welded interior projection 10 and outer projection 8 on the end appearance circumference of pipe 7, the groove between the two is a seal groove 9, and O RunddichtringO 5 is positioned at it.Sleeve pipe 4 is sleeved on the end of pipe 1, pipe 7, ring lock ear 2 is sleeved on the pipe 1, ring lock ear 6 is sleeved on the pipe 7, on each lock ear, the tie point that two projectioies are respectively arranged, two tie points are each other in 180 °, and two lock ears connect through two links 3, here link 3 is tabular, is used for axial limiting.In order to prevent tabular link release lock ear, on the protruding tie point of lock ear, be provided with lock pin 15, have 4 here.So far, the connection of whole pipe coupling arrangement finishes.Desire to make two pipes to separate, at first make lock pin release lock ear, make tabular coupling release lock ear then, extrapolation lock ear 2,6 moves them respectively to the other end of pipe 1, pipe 7, after moving out enough distances, make sleeve pipe 4 to pipe 1 or manage 7 one sides and move, until breaking away from, thereby reached the purpose of two pipe separation with a pipe wherein.

Embodiment 2, with reference to figure 3-Fig. 4.This embodiment is almost completely identical with embodiment 1 structure, and its difference only is that seal ring 5 and seal ring 13 combine by an O RunddichtringO and a V-shaped seal ring.Compare with embodiment 1, its sealing effect is better, is more suitable for the connection of permanence pipeline.

If the used material of above two embodiments is plastics, the inside and outside projection of then managing on 1,7 can form with mold pressing of pipe.The assembling pipe joint of this structure, the pipe that rigidity preferably is stronger connects.

Embodiment 3, with reference to figure 5, Fig. 6.Find out by these two figure, its member sleeve pipe 4, lock ear 2,6, link 3, lock pin 15, the structure of seal ring 5,13 is identical with embodiment 1, and it is 1 different with embodiment 1 with the shape of pipe 7 connections that its difference only is to manage, here, pipe 1, pipe 7 ends are bellows, and the seal groove 9 at seal ring 5 places is equivalent to interior projection on the pipe 7 10 and outer projection 8 among the embodiment 1 for the trough of pipe 7 end corrugation pipes, the crest of trough and arranged on left and right sides.Equally, the seal groove 12 at seal ring 13 places is equivalent to outer projection 14 and the interior projection 11 on the pipe 1 among the embodiment 1 for the trough of pipe 1 end corrugation pipe, the crest of trough and arranged on left and right sides.Using process is identical with embodiment 1.When tubing is the stronger material of plasticity, during as copper, aluminium, plastic materials, this structural type can be adopted in the connected tube end.If pipe can be processed into bellows with its end with the expanded joint technology for copper pipe or aluminum pipe; If pipe can form with the body one-step mould for plastic tube.

Embodiment 4, with reference to figure 7-Fig. 8.Its structure is almost completely identical with embodiment 3 structure, and its difference only is that seal ring 5 and seal ring 13 combine by an O RunddichtringO and a V-shaped seal ring, and its sealing effect is better.The connection of this coupling arrangement permanence pipeline preferably.Using process is also identical with embodiment 3.

Claims (3)

1, a kind of pipeline connecting device, it is by pipe (1), (7), be sleeved on the sleeve pipe (4) of ends of tubes, be positioned at lock ear (2), (6) at these sleeve pipe two end part, the link (3) of connection two lock ears and seal ring (5), (13) are formed, and it is characterized in that, described lock ear (2) (6) is a ring-type, be set on coupled pipe (1), (7), the seal groove (12) at seal ring (13) place is located on the pipe (1), and the seal groove (9) at seal ring (5) place is located on the pipe (7).

2, pipeline connecting device according to claim 1, it is characterized in that, the seal groove (12) of pipe on (1) by the interior projection (11) that is located at this tube end outer surface and arranges along circumference and outside groove between the projection (14) form, manage on (7) seal groove (9) by the interior projection (10) that is located at this tube end outer surface and arranges along circumference and outside groove between the projection (8) form.

3, pipeline connecting device according to claim 1 is characterized in that, the seal groove (12) on the pipe (1) is formed by the trough of pipe (1) end corrugation pipe, and the seal groove (9) on the pipe (7) is formed by the trough of pipe (7) end corrugation pipe.

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