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WO2012011702A2 - Valve de régulation de gaz pour un chalumeau - Google Patents

Valve de régulation de gaz pour un chalumeau Download PDF

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Publication number
WO2012011702A2
WO2012011702A2 PCT/KR2011/005246 KR2011005246W WO2012011702A2 WO 2012011702 A2 WO2012011702 A2 WO 2012011702A2 KR 2011005246 W KR2011005246 W KR 2011005246W WO 2012011702 A2 WO2012011702 A2 WO 2012011702A2
Authority
WO
WIPO (PCT)
Prior art keywords
gas
chamber
contact member
inlet
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/005246
Other languages
English (en)
Korean (ko)
Other versions
WO2012011702A3 (fr
Inventor
정기규
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2012011702A2 publication Critical patent/WO2012011702A2/fr
Publication of WO2012011702A3 publication Critical patent/WO2012011702A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/465—Details for torches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/38—Torches, e.g. for brazing or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details

Definitions

  • the present invention relates to a gas control valve for a torch.
  • the present invention combines a sealing member made of a synthetic resin material in contact with the valve pin to the gas supply port which is in contact with the valve pin for adjusting the supply amount of gas, the sealing member is more firmly coupled to the gas supply port fixed Implementing a configuration to be supported, and relates to a gas control valve for the torch configured to improve the supply efficiency of the gas supplied through the hollow of the sealing member.
  • the present invention relates to a gas control valve for a torch to guide the gas flowing through the inlet is vortexed to the outside of the valve pin to improve the supply efficiency of the gas supplied through the outlet.
  • a torch is a work tool for cutting, melting, and welding a metal workpiece by emitting a flame through a nozzle at the end.
  • a torch has a structure for mixing and supplying gas such as acetylene and oxygen to the nozzle side to generate a flame.
  • the torch is composed of a mixing chamber for mixing gas and oxygen, an injector for supplying a mixed gas, and a nozzle (furnace) for injecting a mixed gas to generate a flame.
  • the torch is equipped with a valve configuration for controlling the amount of gas supplied before or after the gas and oxygen are mixed.
  • the valve is provided with a chamber for driving the valve pin in the passage through which the gas proceeds, the operator can drive the valve pin to regulate the amount of gas supply by intermittent opening degree of the passage.
  • FIG. 1 is a cross-sectional view showing a conventional gas control valve.
  • a passage 12 through which gas flows is formed inside the body 10, and a valve unit 20 for adjusting the opening degree of the passage 12 is coupled to the body 10. It is composed.
  • the body 10 is formed with a chamber 11 for coupling the valve unit 20, the chamber 11, the inlet 13 through which the gas flows through the passage 12 and the passage 12 Are respectively formed outlets 14 through which gas flows out.
  • valve unit 20 is screwed through the coupling member 21 and the coupling member 21 to be coupled to the chamber 11 of the body 10, is moved up and down, the inlet 13 and the outlet It consists of the valve pin 22 which interrupts the opening degree of (14).
  • reference numeral 25 denotes a sealing member for sealing the coupling point of the coupling member 21 and the valve pin 22
  • reference numeral 26 denotes a sealing for sealing between the inner circumferential surface of the chamber 11 and the interval between the valve pin 22.
  • the member 27 is a knob for rotating and driving the valve pin 22.
  • the valve pin 22 has an end portion of the control end 23 for adjusting the opening degree of the inlet 13 is formed in a substantially conical shape, the corresponding inlet 13 is the control end 23
  • the contact member 30 of the synthetic resin material having an inner diameter corresponding to the inclined surface of the () is coupled.
  • the adjustment end 23 is coupled to the contact member 30 is formed with a stepped body 28 for forming a form that is in contact with the inner diameter of the contact member 30 is formed.
  • the conventional gas control valve configured as described above is proposed to solve the problem of low sealing performance due to friction and breakage caused by the contact of the metal (regulating end of the valve pin) and the metal (inlet) by the contact member. It is.
  • the present invention has been invented to solve the above problems.
  • the present invention implements a configuration to ensure that the contact member made of synthetic resin is firmly fixed without being separated from the inlet, so that the gas smoothly flows when the gas introduced through the inner diameter of the contact member contacts the valve pin. It is an object to provide a gas control valve for the configured torch.
  • the gas flowing through the inlet is guided to vortex outward by the induction groove formed in the valve pin control end is torch gas control valve for improving the supply efficiency of the gas supplied through the outlet In providing.
  • the present invention has the following configuration.
  • a chamber in which an inlet and an outlet are formed in a passage through which a gas flows is formed in the body, and a valve unit is coupled to the chamber, and a contact of a synthetic resin material is connected to an inlet of the valve pin constituting the valve unit.
  • a coupling groove having an inner diameter wider than the inner diameter of the chamber is formed outside the inlet of the chamber, the contact member of the synthetic resin material is elastically fitted through the chamber is coupled to the outer surface of the contact member
  • the engaging projection is formed by forcibly fitting the groove portion.
  • the contact member is formed to have a thickness equal to or greater than the width of the coupling groove so that the coupling protrusion is elastically coupled in the coupling groove.
  • the body has an inclined inner circumferential surface formed so as to have a diameter smaller than the contact member at a diameter larger than the contact member from the inlet of the chamber into which the contact member is fitted.
  • the valve pin is formed with a gas guide surface whose control end maintains an inclined surface of less than 45 ° about the longitudinal axis of the valve pin.
  • the valve pin is provided with an induction groove for vortexing and inducing the gas introduced through the inlet to the gas induction plane of the control end.
  • the present invention is more securely coupled by the coupling groove formed outside the contact member inlet made of synthetic resin, so that it is not released from the inlet even at a considerable pressure into which gas is introduced, thereby obtaining an effect of reducing the failure rate of the torch. do.
  • the present invention when the gas flowing through the inner diameter of the contact member is in contact with the valve pin guides the smooth progress of the gas by the gas guide surface of the valve pin to control the stable supply efficiency and more precise supply amount of the gas supplied to the torch There is an effect that can be performed.
  • the present invention has the effect that the gas flowing through the inlet is vortexed by the control end guide groove of the valve pin and guided to the outside to improve the supply efficiency of the gas flowing through the outlet of the chamber.
  • FIG. 1 is a cross-sectional view of a conventional gas control valve.
  • FIG. 2 is a cross-sectional view of the gas control valve according to the present invention.
  • Figure 3 is an enlarged perspective view of the main part of the gas control valve according to the present invention.
  • Figure 4 is an enlarged cross-sectional view of the main part of the gas control valve according to the present invention.
  • FIG. 5 is a front view of another embodiment of a gas control valve according to the present invention.
  • Figure 6 is a bottom view of another embodiment of a gas control valve according to the present invention.
  • FIG. 2 is a sectional view of a gas control valve according to the present invention
  • FIG. 3 is an enlarged perspective view of a main part of a gas control valve according to the present invention
  • FIG. 4 is an enlarged sectional view of a main part of a gas control valve according to the present invention.
  • the gas control valve is composed of a body 10 in which the chamber 11 is formed, and a valve unit 20 coupled to the body 10.
  • the gas regulating valve presented in this embodiment is a valve mainly applied to the torch as described above, and it can be seen that it can be applied to a general valve.
  • the body 10 has a passage 12 through which gas (acetylene gas or a mixed gas mixed with gas and oxygen) proceeds to be supplied to the nozzle side.
  • gas acetylene gas or a mixed gas mixed with gas and oxygen
  • the passage 12 is provided with a chamber 11 for coupling the valve unit 20 by delimiting a predetermined space inside the body 10.
  • the valve unit 20 has a coupling member 21 coupled to seal the inlet of the chamber 11 of the body 10, and one side penetrating through the coupling member 21 is formed at the bottom of the chamber 11. It consists of a valve pin 22 screwed with the coupling member 21 to open and close the inlet (13). In addition, the end portion for opening and closing the inlet 13 of the valve pin 22 is formed by adjusting the end portion 23 for controlling the supply amount of gas by adjusting the opening degree of the inlet (13).
  • the inlet (13) of the opening degree is controlled by the control end 23 of the valve pin 22 is formed of a ring-shaped contact member 30 made of synthetic resin.
  • the contact member 30 is fitted at the inlet of the chamber 11 and coupled to the inlet 13 (more specifically, the bottom surface of the chamber in which the inlet is formed), and the contact member 30 has an inner circumferential surface thereof. 23 is in contact with the configuration for maintaining the inlet (13) in a closed state.
  • the gas control valve according to the present invention suggests a configuration for more firmly fixed contact member 30 at the inlet 13 of the chamber 11.
  • the gas control valve is the outer side of the inner peripheral surface of the chamber 11 adjacent to the bottom surface of the chamber 11 in the inlet 13 formed in the chamber 11 of the body 10 (it is described as the outside of the inlet)
  • the coupling groove 40 having an inner diameter wider than that of the chamber 11 is formed.
  • the contact member 30 of the synthetic resin material is fixedly coupled to the coupling groove 40.
  • the contact member 30 is elastically fitted at the inlet of the chamber 11 by a device such as a press is coupled to the outer surface of the contact member 30 It is forcibly fitted to the groove part 40.
  • a device such as a press
  • the contact member 30 is pushed from the inner circumferential surface of the chamber 11 by the device pressing force such as a press, it maintains the contracted state by the elastic force of the synthetic resin itself, and then arrives in the coupling groove 40 If it is restored by its elastic force is to be fitted into the coupling groove (40).
  • the outer circumferential surface of the contact member 30 fitted into the coupling groove 40 is the coupling protrusion 50
  • the coupling protrusion 50 is the contact member 30 is the inlet port by the gas introduced at a considerable pressure It is possible to solve the fear of departure from (13).
  • the cross-sectional shape of the coupling protrusion 50 and the coupling groove 40 is formed to have an inclined surface that narrows toward the inlet 13 as shown in the drawing, when the contact member 30 is fitted at the inlet of the chamber 11 And when the coupling protrusion 50 is fitted to the coupling groove 40, the elastic expression is efficient, in addition to the cross-sectional shape of the coupling protrusion 50 and the coupling groove 40 is a square or polygonal or hemispherical round shape Or the like.
  • the contact member 30 has a thickness equal to the width (upper and lower width of the drawing) of the coupling groove portion 40 or larger than the elasticity is allowed to be formed within the contact groove (40) Coupling protrusion 50 of 30 to maintain a more firmly coupled state.
  • the body 10 is formed with an inclined inner circumferential surface 60 is formed at the inlet of the chamber 11 for the contact member 30 is fitted.
  • the inclined inner circumferential surface 60 is formed at a predetermined depth so as to have a diameter smaller than the contact member 30 at a diameter larger than the contact member 30 from the inlet of the chamber 11 to the inside thereof.
  • valve pin 22 of the valve unit 20 in the above configuration is formed so that the control end 23 is the gas guide surface 70.
  • the gas guide surface 70 has a conical shape such that the control end 23 maintains an inclined surface of 45 ° or less about the longitudinal axis of the valve pin 22.
  • the gas introduced into the inner diameter of the contact member 30 is smoothly guided to the outside of the valve pin 22 by the gas induction plane 70 to improve the supply efficiency of the gas.
  • FIG. 5 is a front view of another embodiment of a gas control valve according to the present invention
  • FIG. 6 is a bottom view of another embodiment of a gas control valve according to the present invention.
  • the gas guided to the gas induction plane 70 of the valve pin 22 is introduced into the chamber 11 is stagnated in the chamber 11 is lowered the efficiency that proceeds through the outlet 14
  • the configuration to prevent the phenomenon is presented.
  • the valve pin 22 is formed by the guide groove 71 is formed in the gas guide surface 70 of the control end (23).
  • the guide groove 71 is a configuration for guiding the gas introduced through the inlet 13 to the outside.
  • the guide groove 71 is formed in a plurality of grooves having a certain angle twisted linear groove or a constant curvature on the radiographic end 23.
  • Such an induction groove 71 vortexes gas flowing through the inlet 13 to the outside and induces an efficiency of flowing out of the gas and exiting the outlet 14.
  • the induction groove 71 is a point after the point where the gas guide surface 70 of the control end 23 is in contact with the inner diameter of the contact member 30, that is, the end and the guide groove of the control end 23 in the drawing It is configured keeping the distance H of the point where the 71 starts to form. This means that the induction groove 71 is configured to maintain the closed state of the inlet 13 in a state in which the inner end of the control end 23 and the contact member 30 is in close contact.
  • valve pin 30 contact member

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)

Abstract

La présente invention concerne une valve de régulation de gaz pour un chalumeau dans laquelle une buse d'alimentation en gaz, en contact avec une broche de valve pour réguler le volume de gaz acheminé, est accouplée à un élément d'étanchéité constitué de résine synthétique et en contact avec la broche de valve et l'élément d'étanchéité est accouplé plus solidement à la buse d'alimentation en gaz et il est fixé et supporté par celle-ci. L'alimentation en gaz s'effectue plus efficacement à travers la portion creuse de l'élément d'étanchéité. Une chambre, incluant une entrée et une sortie dans un passage à travers lequel circule le gaz, est disposée à l'intérieur du corps de la valve de régulation de gaz et elle est connectée à l'unité de valve. L'entrée en contact avec l'extrémité de commande de la broche de valve constituant l'unité de valve est accouplée à un élément de contact constitué de résine synthétique. Une pièce d'accouplement creuse est disposée à l'extérieur de l'entrée dans la chambre et son diamètre intérieur est supérieur au diamètre intérieur de la chambre. L'élément de contact constitué de résine synthétique est ajusté de manière flexible dans la chambre et la surface extérieure de l'élément de contact est ajustée par force dans la pièce d'accouplement creuse, ce qui forme une pièce d'accouplement en saillie.
PCT/KR2011/005246 2010-07-21 2011-07-15 Valve de régulation de gaz pour un chalumeau Ceased WO2012011702A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100070630A KR101008033B1 (ko) 2010-07-21 2010-07-21 토치용 가스조절 밸브
KR10-2010-0070630 2010-07-21

Publications (2)

Publication Number Publication Date
WO2012011702A2 true WO2012011702A2 (fr) 2012-01-26
WO2012011702A3 WO2012011702A3 (fr) 2012-04-12

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ID=43616273

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/005246 Ceased WO2012011702A2 (fr) 2010-07-21 2011-07-15 Valve de régulation de gaz pour un chalumeau

Country Status (2)

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KR (1) KR101008033B1 (fr)
WO (1) WO2012011702A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014060381A1 (fr) 2012-10-18 2014-04-24 Bayer Cropscience Ag Composés hétérocycliques pour la lutte contre les nuisibles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102404952B1 (ko) * 2020-07-22 2022-06-02 정기규 토치용 가스조절 밸브

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH085421Y2 (ja) * 1988-10-03 1996-02-14 黒田精工株式会社 塗装用流体切換弁
JPH08338550A (ja) * 1995-06-12 1996-12-24 Tohoku Electric Power Co Inc 弁装置
KR200246065Y1 (ko) * 1999-01-13 2001-09-26 김경균 배관용 밸브
JP2007205391A (ja) 2006-01-31 2007-08-16 Nissan Tanaka Corp 流量調節弁および吹管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014060381A1 (fr) 2012-10-18 2014-04-24 Bayer Cropscience Ag Composés hétérocycliques pour la lutte contre les nuisibles

Also Published As

Publication number Publication date
WO2012011702A3 (fr) 2012-04-12
KR101008033B1 (ko) 2011-01-13

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