CN212338472U

CN212338472U - Pipeline connection structure

Info

Publication number: CN212338472U
Application number: CN202020449194.4U
Authority: CN
Inventors: 陈大传
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-01-12
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a pipeline connection structure, which is characterized in that the pipeline connection structure comprises a flow guide piece, a flow guide pipe and a fastening screw sleeve, wherein the flow guide piece is provided with a flow guide hole, the wall of the hole opening of the flow guide hole is provided with an internal thread, the hole wall of the flow guide hole is also provided with a circle of limiting convex ring, and the limiting convex ring is positioned at the inner side of the internal thread; the port of the flow guide pipe is turned outwards to form an expanding ring; an external thread matched with the internal thread is formed on the outer surface of one end of the fastening screw sleeve; the fastening screw sleeve is sleeved on the flow guide pipe, the end part of the flow guide pipe is embedded in the flow guide hole, the flaring ring is tightly pressed on the limiting convex ring, the external thread is screwed on the internal thread, and the end part of the fastening screw sleeve is tightly pressed on the flaring ring. The utility model has the advantages of simple structure, good sealing performance, high reliability, long service life and the like.

Description

Pipeline connection structure

Technical Field

The utility model relates to a pipe connection technical field, especially a pipeline connection structure.

Background

At present, in order to improve the sealing performance of pipeline connection, a sealing rubber ring is often embedded in a pipeline during pipeline connection. Because the most circumstances such as poor, the ageing fast of heat resistance that exist of sealing rubber ring, so the condition of seepage easily appears after one end time of current pipe connection, and the user demand under the difficult satisfied high temperature condition of current pipe connection. Therefore, it is necessary to redesign the structure of the pipe connection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem and not enough, provide a pipeline connection structure, this pipeline connection structure has advantages such as simple structure, the leakproofness is good, the reliability is high, long service life.

The utility model provides a two technical scheme realize above-mentioned technical purpose, and they are respectively:

the first one is: a pipeline connection structure is characterized by comprising a flow guide part, a flow guide pipe and a fastening screw sleeve, wherein the flow guide part is provided with a flow guide hole, the wall of a hole opening of the flow guide hole is provided with an internal thread, the wall of the hole of the flow guide hole is also provided with a circle of limiting convex rings, and the limiting convex rings are positioned on the inner side of the internal thread; the port of the flow guide pipe is turned outwards to form an expanding ring; an external thread matched with the internal thread is formed on the outer surface of one end of the fastening screw sleeve; the fastening screw sleeve is sleeved on the flow guide pipe, the end part of the flow guide pipe is embedded in the flow guide hole, the flaring ring is tightly pressed on the limiting convex ring, the external thread is screwed on the internal thread, and the end part of the fastening screw sleeve is tightly pressed on the flaring ring.

Preferably, the flow guide piece is a two-way pipe, internal threads are respectively formed on the walls of two orifices of the flow guide hole, and a circle of limiting convex ring is respectively arranged on the hole wall of the flow guide hole at the inner side of the two internal threads.

Preferably, the flow guide piece is a three-way pipe, internal threads are respectively formed on the walls of three orifices of the flow guide hole, and a circle of limiting convex ring is respectively arranged on the hole wall of the flow guide hole at the inner side of the three internal threads.

Preferably, the outer wall of the diversion piece is extruded to form a ring groove, and the hole wall of the diversion hole is deformed into the limit convex ring while the ring groove is extruded.

Preferably, the flow guide piece, the flow guide pipe and the fastening threaded sleeve are all made of stainless steel.

The second is that: a pipeline connection structure is characterized by comprising a flow guide piece, a flow guide pipe, a fastening screw sleeve and a sealing metal ring, wherein the flow guide piece is provided with a flow guide hole, the wall of a hole opening of the flow guide hole is provided with an internal thread, and the wall of the hole of the flow guide hole is also provided with a circle of limiting convex rings; an external thread matched with the internal thread is formed on the outer surface of one end of the fastening screw sleeve; the tight-fit screw sleeve and the sealing metal ring are sequentially sleeved on the flow guide pipe, the end part of the flow guide pipe is embedded in the flow guide hole, the sealing metal ring is tightly pressed on the limiting convex ring, the external thread is screwed on the internal thread, and the end part of the tight-fit screw sleeve is tightly pressed on the sealing metal ring.

Preferably, the flow guide piece is a two-way pipe, a three-way pipe or a four-way pipe, internal threads are respectively arranged on the wall of each hole of the flow guide hole, and a circle of limiting convex ring is respectively arranged on the hole wall of the flow guide hole at the inner side of each internal thread.

Preferably, the sealing metal ring is a copper ring or an aluminum ring or a stainless steel ring.

The utility model has the advantages that: the utility model discloses a pipeline refutes and connects structure includes water conservancy diversion spare, the honeycomb duct, tightly decides the swivel nut, has the flaring ring in the water conservancy diversion hole of water conservancy diversion spare, has the flaring ring on the tip of honeycomb duct, and after their equipment is in the same place, the flaring ring is compressed tightly between the tip of spacing bulge ring and tightly deciding the swivel nut, can form the sealed effect reliably like this, this pipeline refutes and connects the overall structure of structure very simple and reliable, this helps improving the life that the pipeline refutes and connects the structure. And need not to use sealed rubber ring on this pipeline connection structure, this enables the pipeline connection structure and satisfies the user demand of high temperature condition easily. Because the flaring ring is formed by turning the end part of the flow guide pipe outwards, the structure is very simple and reliable, and the pipeline connection structure can be conveniently and quickly manufactured.

Drawings

Fig. 1 is a schematic perspective view of the assembled state of the present invention.

Fig. 2 is a schematic view of a splitting structure according to the first embodiment of the present invention.

Fig. 3 is a schematic view of a split structure of the second scheme of the present invention.

Fig. 4 is a schematic structural view of the middle flow guiding member of the present invention.

Fig. 5 is a second schematic structural view of the middle flow guiding member of the present invention.

Fig. 6 is a schematic structural view of the middle flow guide pipe of the present invention.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, the pipeline connection structure of the present invention comprises a flow guiding member 1, a flow guiding pipe 2, and a fastening screw sleeve 3, wherein, as shown in fig. 4, a flow guiding hole 11 is formed on the flow guiding member 1, an internal thread 12 is formed on the wall of the orifice of the flow guiding hole 11, a circle of limiting convex ring 13 is further arranged on the wall of the flow guiding hole 11, and the limiting convex ring 13 is located inside the internal thread 12; as shown in fig. 3 and 6, the port of the draft tube 2 is turned outwards to form an expanding ring 21; as shown in fig. 3, an external thread 31 matched with the internal thread 12 is formed on the outer surface of one end of the fastening screw sleeve 3; as shown in fig. 1 and 3, the fastening screw sleeve 3 is sleeved on the draft tube 2, the end of the draft tube 2 is embedded in the draft hole 11, the flared ring 21 is tightly pressed on the limit convex ring 13, the external thread 31 is screwed on the internal thread 12, and the end of the fastening screw sleeve 3 is tightly pressed on the flared ring 21. The utility model discloses a pipeline refutes and connects structure includes water conservancy diversion spare 1, honeycomb duct 2, tightly decide swivel nut 3, there is spacing bulge loop 13 in water conservancy diversion hole 11 of water conservancy diversion spare 1, there is flaring ring 21 on the tip of honeycomb duct 2, and after they assemble together, flaring ring 21 is compressed tightly between spacing bulge loop 13 and the tip of tightly deciding swivel nut 3, can form the sealed effect reliably like this, this pipeline refutes and connects the overall structure of structure very simple and reliable, this helps improving the life that the pipeline refutes and connects the structure. And need not to use sealed rubber ring on this pipeline connection structure, this enables the pipeline connection structure and satisfies the user demand of high temperature condition easily. Because the flaring ring 21 is formed by turning the end part of the flow guide pipe 2 outwards, the structure is very simple and reliable, and the pipeline connection structure can be conveniently and quickly manufactured.

The radial section of the other end of the fastening screw sleeve 3 is in a regular hexagon shape. Such design can conveniently rotate tight turnbuckle 3 through the spanner, and this helps improving tight turnbuckle 3 and screws up and unscrews' convenience.

As shown in fig. 4, the diversion member 1 is a two-way pipe, internal threads 12 are respectively formed on walls of two orifices of the diversion hole 11, and a circle of limiting convex rings 13 are respectively arranged on walls of the diversion hole 11 at inner sides of the two internal threads 12. By means of such a structural design, it is possible to facilitate a reliable connection of the two pipes together.

Wherein, when the diversion part 1 adopts a two-way pipe, the diversion part can be made into a straight pipe or an elbow pipe.

As shown in fig. 5, the flow guiding member 1 is a three-way pipe, three orifice walls of the flow guiding hole 11 are respectively provided with an internal thread 12, and the hole walls of the flow guiding hole 11 inside the three internal threads 12 are respectively provided with a circle of limiting convex rings 13. Through such structural design, can satisfy the butt joint demand of three pipelines, this application scope that helps improving pipeline connection structure.

The flow guide piece 1 can also be a four-way pipe, a five-way pipe or other multi-way pipes.

As shown in fig. 4 and 5, the pipe end of the flow guide element 1 is provided with a reinforcing convex ring 14. Through the setting of reinforcing bulge loop 14, can strengthen the structural strength of water conservancy diversion spare 1 tip effectively to when screwing up and decide swivel nut 3, avoid the condition that the fracture appears in water conservancy diversion spare 1, this can further improve the reliability that the pipeline connects the structure.

As shown in fig. 4, the outer wall of the flow guide member 1 is extruded to form an annular groove 15, and the hole wall of the flow guide hole 11 is deformed into the limit convex ring 13 while being extruded. The structure is very simple and reliable, the manufacturing is very convenient, and the manufacturing efficiency of the flow guide part 1 is improved.

In the extrusion molding process, when the flow guide piece 1 rotates, the outer wall of the flow guide piece 1 is extruded by the extrusion head, so that the inner wall of the flow guide hole 11 is provided with the limiting convex ring 13.

In the actual manufacturing process, the limit convex ring 13 can be manufactured by the following two methods: firstly, a casting mode is adopted to process the flow guide part 1, and a limiting convex ring 13 is integrally cast and formed on the hole wall of the flow guide hole 11. Secondly, a machine tool is adopted to turn or mill the hole wall of the diversion hole 11 to form a limit convex ring 13.

In the actual manufacturing process, the diversion element 1 can adopt a faucet or other valve bodies.

The flow guide piece 1, the flow guide pipe 2 and the fastening threaded sleeve 3 are all made of stainless steel. Through adopting the stainless steel, enable the pipeline and refute the user demand that connects the structure and satisfy under the high temperature condition, this application scope and the life that helps further improve the pipeline and refute the structure.

Example two:

as shown in fig. 2, the pipeline connection structure of the present invention comprises a flow guiding member 1, a flow guiding pipe 2, a fastening screw sleeve 3, and a sealing metal ring 4, wherein, as shown in fig. 4, the flow guiding member 1 is provided with a flow guiding hole 11, an inner thread 12 is provided on the wall of the orifice of the flow guiding hole 11, and a circle of limiting convex ring 13 is further provided on the wall of the flow guiding hole 11; as shown in fig. 2, an external thread 31 matched with the internal thread 12 is formed on the outer surface of one end of the fastening screw sleeve 3; as shown in fig. 1 and 2, the fastening screw sleeve 3 and the sealing metal ring 4 are sequentially sleeved on the flow guide tube 2, the end of the flow guide tube 2 is embedded in the flow guide hole 11, the sealing metal ring 4 is tightly pressed on the limiting convex ring 13, the external thread 31 is screwed on the internal thread 12, and the end of the fastening screw sleeve 3 is tightly pressed on the sealing metal ring 4. The utility model discloses a pipeline connection structure, which comprises a diversion part 1, a diversion pipe 2, a fastening screw sleeve 3 and a sealing metal ring 4, wherein a limiting convex ring 13 is arranged in a diversion hole 11 of the diversion part 1, and after the diversion part and the diversion hole are assembled together, the sealing metal ring 4 is pressed between the limiting convex ring 13 and the end part of the fastening screw sleeve 3; the sealing metal ring 4 can be repeatedly used, has good heat resistance and is not easy to age after being used for a long time; therefore, a reliable sealing effect can be formed, the whole structure of the pipeline connection structure is very simple and reliable, and the service life of the pipeline connection structure is prolonged. And need not to use sealed rubber ring on this pipeline connection structure, this enables the pipeline connection structure and satisfies the user demand of high temperature condition easily. Through adopting tight thread insert 3 to and adopt the cooperation design of internal thread 12 and external screw thread 31, can satisfy the needs of refuting and connecing, can promote the commonality of using again, the convenience is connected with other current pipelines.

As shown in fig. 4 and 5, the flow guiding member 1 is a two-way pipe, a three-way pipe or a four-way pipe, internal threads 12 are respectively formed on the wall of each orifice of the flow guiding hole 11, and a circle of limiting convex ring 13 is respectively arranged on the wall of the flow guiding hole 11 inside each internal thread 12. Through the structural design, not only can the pipelines be conveniently and reliably connected together; the butt joint requirement of a plurality of pipelines can be met, and the application range of the pipeline butt joint structure is favorably widened.

The flow guide part 1 can also be a five-way pipe or a six-way pipe or other multi-way pipes.

The sealing metal ring 4 is a copper ring or an aluminum ring or a stainless steel ring. Better sealing effect can be obtained by adopting the copper ring, so that the sealing performance of the pipeline connection structure can be further improved.

Because copper is softer with aluminium, and when screwing up tight swivel nut 3, the tip of tight swivel nut 3 can sticiss on sealed becket 4, just so can play the effect of extrusion deformation to it can form the sealed effect inseparabler, thereby just can further improve the sealing performance of pipeline connection structure.

Claims

1. The utility model provides a pipeline connection structure which characterized in that: the device comprises a flow guide part (1), a flow guide pipe (2) and a fastening screw sleeve (3), wherein the flow guide part (1) is provided with a flow guide hole (11), the wall of a hole opening of the flow guide hole (11) is provided with an internal thread (12), the wall of the hole opening of the flow guide hole (11) is also provided with a circle of limiting convex ring (13), and the limiting convex ring (13) is positioned on the inner side of the internal thread (12); the port of the draft tube (2) is turned outwards to form an expanding ring (21); an external thread (31) matched with the internal thread (12) is arranged on the outer surface of one end of the fastening screw sleeve (3); the tight-fit thread insert (3) is sleeved on the flow guide pipe (2), the end part of the flow guide pipe (2) is embedded in the flow guide hole (11), the flaring ring (21) is tightly pressed on the limiting convex ring (13), the external thread (31) is screwed on the internal thread (12), and the end part of the tight-fit thread insert (3) is tightly pressed on the flaring ring (21).

2. The pipe docking structure according to claim 1, wherein: the flow guide piece (1) is a two-way pipe, internal threads (12) are respectively arranged on the walls of two orifices of the flow guide hole (11), and a circle of limiting convex ring (13) is respectively arranged on the hole wall of the flow guide hole (11) at the inner side of the two internal threads (12).

3. The pipe docking structure according to claim 1, wherein: the flow guide piece (1) is a three-way pipe, internal threads (12) are respectively arranged on the walls of three orifices of the flow guide hole (11), and a circle of limiting convex rings (13) are respectively arranged on the hole walls of the flow guide hole (11) at the inner side of the three internal threads (12).

4. The pipe docking structure according to any one of claims 1 to 3, wherein: the outer wall of the flow guide piece (1) is extruded to form an annular groove (15), and the hole wall of the flow guide hole (11) is deformed into the limiting convex ring (13) during extrusion.

5. The pipe docking structure according to claim 1, wherein: the flow guide piece (1), the flow guide pipe (2) and the fastening threaded sleeve (3) are all made of stainless steel.

6. The utility model provides a pipeline connection structure which characterized in that: the sealing device comprises a flow guide part (1), a flow guide pipe (2), a fastening screw sleeve (3) and a sealing metal ring (4), wherein the flow guide part (1) is provided with a flow guide hole (11), the wall of a hole opening of the flow guide hole (11) is provided with an internal thread (12), and the wall of the hole of the flow guide hole (11) is also provided with a circle of limiting convex rings (13); an external thread (31) matched with the internal thread (12) is arranged on the outer surface of one end of the fastening screw sleeve (3); tightly decide swivel nut (3), sealed becket (4) suit in proper order on honeycomb duct (2), the tip of honeycomb duct (2) inlays and is adorned in water conservancy diversion hole (11) to make sealed becket (4) sticis on spacing bulge loop (13), still make external screw thread (31) spiro union on internal thread (12), and make the tip of tightly deciding swivel nut (3) sticis on sealed becket (4).

7. The pipe docking structure according to claim 6, wherein: the flow guide piece (1) is a two-way pipe, a three-way pipe or a four-way pipe, internal threads (12) are respectively arranged on the wall of each hole of the flow guide hole (11), and a circle of limiting convex ring (13) is respectively arranged on the wall of the flow guide hole (11) at the inner side of each internal thread (12).

8. The pipe docking structure according to claim 6 or 7, wherein: the outer wall of the flow guide piece (1) is extruded to form an annular groove (15), and the hole wall of the flow guide hole (11) is deformed into the limiting convex ring (13) during extrusion.

9. The pipe docking structure according to claim 6, wherein: the sealing metal ring (4) is a copper ring or an aluminum ring or a stainless steel ring.

10. The pipe docking structure according to claim 6, wherein: the flow guide piece (1), the flow guide pipe (2) and the fastening threaded sleeve (3) are all made of stainless steel.