CN212407926U

CN212407926U - Connect PE pipe that leakproofness is good

Info

Publication number: CN212407926U
Application number: CN202020644265.6U
Authority: CN
Inventors: 彭文柯
Original assignee: Jiangxi National Plastic New Material Co ltd
Current assignee: Jiangxi National Plastic New Material Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-26
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a PDC drill bit technical field, and a connect PE pipe that leakproofness is good is disclosed, including first connecting pipe and second connecting pipe, the lateral wall fixedly connected with annular tube of first connecting pipe, the lateral wall of second connecting pipe seted up with annular tube assorted opening, the equal screw thread of outer wall of first connecting pipe and second connecting pipe has cup jointed the holding ring, two ring type seal of the lateral wall symmetry fixedly connected with of one of them holding ring, two and ring type seal assorted ring groove have been seted up to the lateral wall of another holding ring, one of them holding ring movable sleeve is equipped with coupling nut, the outer wall of another holding ring seted up with coupling nut assorted external screw thread, coupling nut keeps away from the inner wall fixedly connected with annular dog of external screw thread one side. The utility model discloses thereby make two PE union coupling in-process have multiple sealed effect, and then guarantee PE union coupling's leakproofness, prevent that it from taking place the phenomenon of leaking, and stability is good.

Description

Connect PE pipe that leakproofness is good

Technical Field

The utility model relates to a PDC drill bit technical field especially relates to a connect PE pipe that the leakproofness is good.

Background

The PE (polyethylene) material is widely applied to the field of water supply pipe manufacturing due to the characteristics of high strength, corrosion resistance, no toxicity and the like. Because it does not rust, it is an ideal pipe material for replacing general iron water supply pipe.

At present, when two PE pipes are connected, the connection is mostly completed through a welding mode, and the PE pipes which are welded are easy to generate gaps when used for a long time, so that the sealing performance is poor, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and producing the clearance easily when using for a long time through the welded PE pipe to lead to its leakproofness relatively poor, the problem of not convenient to use, and the PE pipe that the leakproofness is good is connected to the one kind that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a PE pipe with good connection and sealing performance comprises a first connecting pipe and a second connecting pipe, wherein the side wall of the first connecting pipe is fixedly connected with an annular pipe, the side wall of the second connecting pipe is provided with an opening matched with the annular pipe, the outer walls of the first connecting pipe and the second connecting pipe are both in threaded sleeve joint with positioning rings, the side wall of one of the positioning rings is symmetrically and fixedly connected with two annular sealing rings, the side wall of the other positioning ring is provided with two annular clamping grooves matched with the annular sealing rings, one of the positioning rings is movably sleeved with a connecting nut, the outer wall of the other positioning ring is provided with an external thread matched with the connecting nut, the inner wall of the connecting nut, which is far away from one side of the external thread, is fixedly connected with an annular stop block, the side wall of one of them holding ring is seted up and is led to the groove with annular dog assorted annular, still the symmetry is equipped with a plurality of stop gear on the coupling nut.

Preferably, every stop gear all includes gag lever post and locating piece, coupling nut's lateral wall seted up with gag lever post assorted spacing hole, the bar hole has been seted up to the lateral wall of gag lever post, the both ends of locating piece all pass the bar hole and set up with the both sides wall fixed connection in spacing hole, another the constant head tank with gag lever post assorted is seted up to the outer wall of holding ring.

Preferably, the annular pipe and the opening are fixedly welded, and the annular pipe is made of polyethylene material.

Preferably, it is a plurality of the lateral wall of constant head tank all is fixed and is equipped with the rubber gasket, and the surface of rubber gasket has seted up anti-skidding line.

Preferably, a plurality of the lateral wall symmetry that the gag lever post is close to constant head tank one side has seted up two inclined planes, and the angle of inclination on two inclined planes all is the setting of degree.

Preferably, the two positioning rings are respectively in threaded connection with the first connecting pipe and the second connecting pipe.

Compared with the prior art, the utility model provides a connect PE pipe that leakproofness is good possesses following beneficial effect:

1. this connect PE pipe that leakproofness is good through being equipped with trade new pipe, two holding rings and two ring packing, coupling nut and annular dog to make first connecting pipe and second connecting pipe have multiple sealed effect in the connection process, and then guarantee PE union coupling's leakproofness, prevent that it from taking place the phenomenon of leaking.

2. This connect PE pipe that leakproofness is good through the stop gear who is equipped with, can improve coupling nut and the external screw thread between be connected stability, prevent that it from taking place the skew rotation, influence its sealed effect.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses thereby make two PE union coupling in-process have multiple sealed effect, and then guarantee PE union coupling's leakproofness, prevent that it from taking place the phenomenon of leaking, and stability is good.

Drawings

Fig. 1 is a schematic structural view of a PE pipe with good connection sealing performance according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic side view of the connection nut of the present invention.

In the figure: the device comprises a first connecting pipe 1, a second connecting pipe 2, an annular pipe 3, an opening 4, a positioning ring 5, an annular sealing ring 6, a connecting nut 7, an external thread 8, an annular stop dog 9, a limiting rod 10, a positioning block 11, a rubber gasket 12 and an inclined plane 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a PE tube with good connection and sealing performance comprises a first connection tube 1 and a second connection tube 2, wherein the side wall of the first connection tube 1 is fixedly connected with a ring tube 3, the side wall of the second connection tube 2 is provided with an opening 4 matched with the ring tube 3, the outer walls of the first connection tube 1 and the second connection tube 2 are both in threaded sleeve connection with positioning rings 5, the side wall of one positioning ring 5 is symmetrically and fixedly connected with two ring-shaped sealing rings 6, the side wall of the other positioning ring 5 is provided with two ring-shaped clamping grooves matched with the ring-shaped sealing rings 6, one positioning ring 5 is movably sleeved with a connection nut 7, the outer wall of the other positioning ring 5 is provided with an external thread 8 matched with the connection nut 7, the inner wall of the connection nut 7 far away from the external thread 8 is fixedly connected with a ring-shaped stop block 9, a plurality of limiting mechanisms are symmetrically arranged on the connecting nut 7.

Every stop gear all includes gag lever post 10 and locating piece 11, and coupling nut 7's lateral wall is seted up with gag lever post 10 assorted spacing hole, and the bar hole has been seted up to gag lever post 10's lateral wall, and the both ends of locating piece 11 all pass the bar hole and set up with the both sides wall fixed connection in spacing hole, and the constant head tank with gag lever post 10 assorted is seted up to the outer wall of another holding ring 5.

The annular pipe 3 is fixedly welded with the opening, and the annular pipe 3 is made of polyethylene material.

The lateral wall of a plurality of constant head tanks is all fixed and is equipped with rubber gasket 12, and the antiskid line has been seted up on the surface of rubber gasket 12, and through the rubber gasket 12 that is equipped with, can improve the frictional force between constant head tank and the gag lever post 10, prevents that gag lever post 10 from breaking away from the constant head tank automatically.

Two inclined planes 13 have been seted up to a plurality of gag lever posts 10 near the lateral wall symmetry of constant head tank one side, and the angle of inclination on two inclined planes 13 all is 30 settings, through the inclined plane 13 that is equipped with, can be convenient for gag lever post 10 inserts to the constant head tank in.

Two holding rings 5 set up with first connecting pipe 1 and 2 threaded connection of second connecting pipe respectively, can be convenient for dismantle two holding rings 5, and the screw thread direction of rotation is opposite setting between two holding rings 5 and two connecting pipes.

In the utility model, when in use, the annular pipe 3 is hot melted and inserted into the opening 4 of the second connecting pipe 2, so that the annular pipe 3 and the second connecting pipe 2 are welded together, when the first connecting pipe 1 and the second connecting pipe 2 are connected together, the two annular sealing rings 6 and the two annular clamping grooves are abutted together, so that the two connecting pipes have multiple sealing effects when being connected, then the connecting nut 7 is screwed through the connecting nut 7, so that the connecting nut 7 is screwed to be in threaded connection with the external thread 8 on the outer wall of the other positioning ring 5, and the annular stop block 9 is arranged, so that the two positioning rings 5 are abutted against each other when the connecting nut 7 and the external thread 8 are connected together, thereby ensuring the sealing effect of the two annular sealing rings 6, and then the limiting rod 10 is arranged to press the limiting rod 10, can make the bar hole slide along locating piece 11, and insert to the constant head tank in to can inject coupling nut 7's position, prevent that it from taking place the skew and rotating, influence the leakproofness that two connecting pipes are connected.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The PE pipe with good connection sealing performance comprises a first connecting pipe (1) and a second connecting pipe (2) and is characterized in that the side wall of the first connecting pipe (1) is fixedly connected with a ring pipe (3), the side wall of the second connecting pipe (2) is provided with an opening (4) matched with the ring pipe (3), the outer walls of the first connecting pipe (1) and the second connecting pipe (2) are sleeved with positioning rings (5) in a threaded manner, one of the positioning rings (5) is symmetrically and fixedly connected with two ring sealing rings (6), the other positioning ring (5) is provided with two ring clamping grooves matched with the ring sealing rings (6), one of the positioning rings (5) is movably sleeved with a connecting nut (7), and the other positioning ring (5) is provided with an outer wall provided with an outer thread (8) matched with the connecting nut (7), the inner wall fixedly connected with annular stop dog (9) of external screw thread (8) one side is kept away from in coupling nut (7), one of them the lateral wall of holding ring (5) is seted up and is led to the groove with annular stop dog (9) assorted annular, still the symmetry is equipped with a plurality of stop gear on coupling nut (7).

2. The PE pipe with good connection sealing performance according to claim 1, wherein each limiting mechanism comprises a limiting rod (10) and a positioning block (11), a limiting hole matched with the limiting rod (10) is formed in the side wall of the connecting nut (7), a strip-shaped hole is formed in the side wall of the limiting rod (10), two ends of the positioning block (11) penetrate through the strip-shaped hole and are fixedly connected with two side walls of the limiting hole, and a positioning groove matched with the limiting rod (10) is formed in the outer wall of the other positioning ring (5).

3. The PE pipe with good connection sealing performance as claimed in claim 1, wherein the annular pipe (3) is fixedly welded with the opening, and the annular pipe (3) is made of polyethylene material.

4. The PE pipe with good connection sealing performance as claimed in claim 2, wherein rubber gaskets (12) are fixedly arranged on the side walls of the positioning grooves, and anti-skid threads are formed on the surfaces of the rubber gaskets (12).

5. The PE pipe with good connection sealing performance as claimed in claim 2, wherein two inclined surfaces (13) are symmetrically formed on the side wall of the limiting rod (10) close to one side of the positioning groove, and the inclination angles of the two inclined surfaces (13) are all set to be 30 degrees.

6. The PE pipe with good connection tightness as claimed in claim 1, wherein two positioning rings (5) are respectively disposed in threaded connection with the first connection pipe (1) and the second connection pipe (2).