CN213298872U

CN213298872U - PE (polyethylene) connecting pipe gas valve

Info

Publication number: CN213298872U
Application number: CN202022117690.2U
Authority: CN
Inventors: 董宏攀; 曹艳侠
Original assignee: Wenzhou Yuning Valve Co ltd
Current assignee: Wenzhou Yuning Valve Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-28
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a gas valve technical field just discloses a PE takeover gas valve, including gas valve subassembly, gas valve subassembly includes the valve main part, the both ends of valve main part all are provided with the nut and change the cover, and the nut changes cover and valve main part fixed connection, the outside that the nut changes the cover is provided with screw thread end block, and screw thread end block and nut change cover fixed connection, the outside of screw thread end block is provided with the tube core valve head. This gas valve is taken over to PE, after valve and pipeline butt joint, the inside of pipeline can be entered into to the tube core valve head to laminate each other with the inner wall of pipeline, and be provided with a metal lantern ring on the middle section surface of tube core valve head, the outer lane diameter of metal lantern ring will be greater than tube core valve head and pipeline inner wall diameter, after tube core valve head and pipeline combination, can press from both sides the valve head and pipeline clamp together through metal lantern ring tension like this, prevent to take place the condition that becomes flexible and drop.

Description

PE (polyethylene) connecting pipe gas valve

Technical Field

The utility model relates to a gas valve technical field specifically is a gas valve is taken over to PE.

Background

The gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen.

The existing gas valve is often aged or used for increasing along with the increase of time at the joint of the existing gas valve and a pipeline, so that the joint is loosened, and the condition of gas leakage occurs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a gas valve is taken over to PE possesses quick installation, through advantages such as leakproofness between institutional advancement lifting pipe and the valve on the basis of original valve, has solved current gas valve and has often because ageing or along with the increase of live time, lead to the junction to take place not hard up condition to the problem of gas leakage appears with the junction of pipeline.

(II) technical scheme

In order to realize the purpose, the utility model provides a following technical scheme: the utility model provides a gas valve is taken over to PE, includes the gas valve subassembly, the gas valve subassembly includes the valve main part, the both ends of valve main part all are provided with the nut and change the cover, and the nut changes cover and valve main part fixed connection, the outside that the cover was changeed to the nut is provided with screw end block, and screw end block and nut change cover fixed connection, the outside of screw end block is provided with the tube core valve head, and the tube core valve head passes through the draw-in groove with screw end block and is connected, the top of valve main part is provided with the valve rod sleeve axle, and valve rod sleeve axle and valve main part fixed connection, the inside of valve rod sleeve axle is provided with the screw lead screw, and the screw lead screw passes through the internal screw thread rotation with the valve rod sleeve axle and is connected, the top of screw lead.

Preferably, the pipe core valve head extends to the inside of the PE gas pipeline, and a gas pipe cavity is arranged inside the PE gas pipeline.

Preferably, one end of the gas pipe cavity is provided with a threaded end groove, and the threaded end block is rotatably connected with the PE gas pipe through the threaded end groove.

Preferably, a sealing gasket is arranged between the threaded end block and the threaded end groove, a metal lantern ring is arranged on the outer side of the valve head of the tube core, and the metal lantern ring is connected with the valve head of the tube core through a fixing ring groove.

Preferably, a medium valve cavity is arranged inside the gas valve component, a sealing valve core is arranged inside the medium valve cavity, and the sealing valve core is fixedly connected with the threaded screw rod.

Preferably, a vacuum valve cavity is arranged above the medium valve cavity, and the sealing valve core is in telescopic connection with the vacuum valve cavity.

Compared with the prior art, the utility model provides a gas valve is taken over to PE possesses following beneficial effect:

1. this PE is taken over gas valve, before the screw thread end block of valve and the screw thread end groove of pipeline rotate to be combined together, put seal ring into the inside in screw thread end groove earlier, increase the frictional resistance between screw thread end block and the screw thread end groove through the screw thread end groove, prevent that gas from leaking from the gap.

2. This gas valve is taken over to PE, after valve and pipeline butt joint, the inside of pipeline can be entered into to the tube core valve head to laminate each other with the inner wall of pipeline, and be provided with a metal lantern ring on the middle section surface of tube core valve head, the outer lane diameter of metal lantern ring will be greater than tube core valve head and pipeline inner wall diameter, after tube core valve head and pipeline combination, can press from both sides the valve head and pipeline clamp together through metal lantern ring tension like this, prevent to take place the condition that becomes flexible and drop.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the PE gas pipeline structure of the present invention;

fig. 4 is an enlarged schematic view of the a position of the present invention.

Wherein: 1. a gas valve assembly; 2. a valve body; 3. sealing the valve knob; 4. a threaded lead screw; 5. a valve stem sleeve shaft; 6. turning the nut; 7. a threaded end block; 8. a tube core valve head; 9. a PE gas pipeline; 10. a threaded end groove; 11. a sealing gasket; 12. a gas pipe cavity; 13. a media valve cavity; 14. sealing the valve core; 15. A vacuum valve cavity; 16. a fixed ring groove; 17. a metal collar.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a PE pipe connection gas valve comprises a gas valve assembly 1, the gas valve assembly 1 comprises a valve main body 2, nut rotating sleeves 6 are respectively arranged at two ends of the valve main body 2, the nut rotating sleeves 6 are fixedly connected with the valve main body 2, the nut rotating sleeves 6 are arranged between a valve body and a pipeline to prevent the valve body from directly contacting with the pipeline and being corroded by gas in the pipeline, a threaded end block 7 is arranged at the outer side of the nut rotating sleeves 6, the threaded end block 7 is fixedly connected with the nut rotating sleeves 6, butt joint between the valve and the pipeline is completed by adopting a threaded rotation mode, a pipe core valve head 8 is arranged at the outer side of the threaded end block 7, the pipe core valve head 8 is connected with the threaded end block 7 through a clamping groove, gas enters the valve body through the pipe core valve head 8, a valve stem sleeve shaft 5 is arranged above the valve main body 2, and the valve stem, the inside of valve rod sleeve 5 is provided with screw lead screw 4, and screw lead screw 4 passes through the internal thread rotation with valve rod sleeve 5 and is connected, and screw lead screw 4's top is provided with sealed valve button 3, and sealed valve button 3 passes through the draw-in groove with screw lead screw 4 and is connected, drives screw lead screw 4 of below through rotating sealed valve button 3 and rotates to realize opening and close operation of valve.

Further, the pipe core valve head 8 extends to the inside of the PE gas pipeline 9, and a gas pipe cavity 12 is arranged inside the PE gas pipeline 9, so that gas is conveyed and flows.

Further, one end of the gas pipe cavity 12 is provided with a threaded end groove 10, and the threaded end block 7 is rotatably connected with the PE gas pipe 9 through the threaded end groove 10, so that the combined installation is convenient.

Furthermore, a sealing washer 11 is arranged between the threaded end block 7 and the threaded end groove 10, before the threaded end block 7 of the valve and the threaded end groove 10 of the pipeline are combined together in a rotating way, the sealing washer 11 is firstly placed in the threaded end groove 10, the frictional resistance between the threaded end block 7 and the threaded end groove 10 is increased through the threaded end groove 10, and gas is prevented from leaking from gaps, a metal lantern ring 17 is arranged on the outer side of the valve head 8 of the pipe core, the metal lantern ring 17 is connected with the valve head 8 of the pipe core through a fixed ring groove 16, after the valve is butted with the pipeline, the valve head 8 of the pipe core enters the inside of the pipeline and is mutually attached to the inner wall of the pipeline, a metal lantern ring 17 is arranged on the surface of the middle section of the valve head 8 of the pipe core, the diameter of the outer ring 17 of the metal lantern ring is larger than the diameters of the valve head 8 and the inner wall of the pipeline, so, preventing the loosening and falling.

Further, a medium valve cavity 13 is arranged inside the gas valve assembly 1, a sealing valve core 14 is arranged inside the medium valve cavity 13, and the sealing valve core 14 is fixedly connected with the threaded screw rod 4.

Further, a vacuum valve cavity 15 is arranged above the medium valve cavity 13, and the sealing valve core 14 is in telescopic connection with the vacuum valve cavity 15, so that opening and closing operations of the valve are realized.

When the valve is used, the butt joint between the valve and a pipeline is completed by adopting a thread rotating mode, before the thread end block 7 of the valve and the thread end groove 10 of the pipeline are combined together in a rotating mode, the sealing washer 11 is firstly placed in the thread end groove 10, the friction resistance between the thread end block 7 and the thread end groove 10 is increased through the thread end groove 10, and gas is prevented from leaking from a gap.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PE takes over gas valve, includes gas valve subassembly (1), its characterized in that: the gas valve component (1) comprises a valve main body (2), nut rotating sleeves (6) are arranged at two ends of the valve main body (2), the nut rotating sleeves (6) are fixedly connected with the valve main body (2), a threaded end block (7) is arranged on the outer side of each nut rotating sleeve (6), the threaded end block (7) is fixedly connected with the nut rotating sleeves (6), a tube core valve head (8) is arranged on the outer side of each threaded end block (7), the tube core valve head (8) is connected with the threaded end block (7) through a clamping groove, a valve rod sleeve shaft (5) is arranged above the valve main body (2), the valve rod sleeve shaft (5) is fixedly connected with the valve main body (2), a threaded lead screw (4) is arranged inside the valve rod sleeve shaft (5), the threaded lead screw (4) is rotatably connected with the valve rod sleeve shaft (5) through internal threads, and a sealing valve knob (3) is arranged above the threaded lead screw (4), and the sealing valve button (3) is connected with the threaded screw rod (4) through a clamping groove.

2. A PE nozzle gas valve as claimed in claim 1, wherein: the pipe core valve head (8) extends to the interior of the PE gas pipeline (9), and a gas pipe cavity (12) is arranged in the interior of the PE gas pipeline (9).

3. A PE nozzle gas valve as claimed in claim 2, wherein: one end of the gas pipe cavity (12) is provided with a threaded end groove (10), and the threaded end block (7) is rotatably connected with the PE gas pipeline (9) through the threaded end groove (10).

4. A PE nozzle gas valve as claimed in claim 3, wherein: a sealing gasket (11) is arranged between the threaded end block (7) and the threaded end groove (10), a metal lantern ring (17) is arranged on the outer side of the tube core valve head (8), and the metal lantern ring (17) is connected with the tube core valve head (8) through a fixing ring groove (16).

5. A PE nozzle gas valve as claimed in claim 1, wherein: the gas valve assembly (1) is internally provided with a medium valve cavity (13), a sealing valve core (14) is arranged inside the medium valve cavity (13), and the sealing valve core (14) is fixedly connected with the threaded screw rod (4).

6. A PE connection pipe gas valve according to claim 5, wherein: a vacuum valve cavity (15) is arranged above the medium valve cavity (13), and the sealing valve core (14) is in telescopic connection with the vacuum valve cavity (15).